/* ============================================
   Frank Alayza - Página personal profesional
   Estilo inspirado en adriasolapastor.com
   ============================================ */

:root {
  --color-bg: #faf9f7;
  --color-bg-alt: #f0ede8;
  --color-text: #1a1a1a;
  --color-text-muted: #5c5c5c;
  --color-accent: #0066ff;
  --color-accent-light: #3385ff;
  --color-accent-secondary: #7c3aed;
  --color-accent-warm: #f59e0b;
  --color-accent-success: #10b981;
  --color-border: #e5e2dc;
  --color-dark: #1a2f2a;
  --color-dark-text: #e8ebe9;
  --color-card-bg: #ffffff;
  --font-heading: 'Cormorant Garamond', Georgia, serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;
  --max-width: 1100px;
  --max-width-wide: 1200px;
  --radius: 6px;
  --radius-lg: 20px;
  --transition: 0.25s ease;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --duration: 0.6s;
  --duration-fast: 0.35s;
  --theme-transition: 0.4s ease;
  /* Neon colors (dark mode) */
  --neon-blue: #00d4ff;
  --neon-purple: #a855f7;
  --neon-gold: #fbbf24;
  --neon-green: #22c55e;
  --header-bg: rgba(250, 249, 247, 0.95);
}

/* Dark theme */
[data-theme="dark"] {
  --color-bg: #0a0a0f;
  --color-bg-alt: #12121a;
  --color-text: #f0f0f5;
  --color-text-muted: #a0a0b0;
  --color-accent: #00d4ff;
  --color-accent-light: #33ddff;
  --color-border: #2a2a3a;
  --color-dark: #0a0a0f;
  --color-dark-text: #f0f0f5;
  --color-card-bg: #1a1a24;
  --header-bg: rgba(10, 10, 15, 0.9);
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(28px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* Elementos que entran al hacer scroll */
.animate-in {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity var(--duration) var(--ease-out-expo),
              transform var(--duration) var(--ease-out-expo);
}
.animate-in.is-visible {
  opacity: 1;
  transform: translateY(0);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

.skip-link {
  position: absolute;
  top: -100px;
  left: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  background: var(--color-accent);
  color: white;
  text-decoration: none;
  font-weight: 500;
  z-index: 100;
  border-radius: var(--radius);
  transition: top var(--transition);
}
.skip-link:focus {
  top: var(--space-sm);
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition);
}
a:hover {
  color: var(--color-accent-light);
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}
.container--wide {
  max-width: var(--max-width-wide);
}

@media (max-width: 768px) {
  .container {
    padding: 0 var(--space-md);
  }

  .header-inner {
    padding: var(--space-sm) var(--space-md);
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--space-sm);
  }

  .header-inner {
    padding: var(--space-sm);
  }
}

/* Header */
.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--header-bg);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow var(--duration-fast) var(--ease-out),
              background var(--theme-transition),
              border-color var(--theme-transition);
}
.header--scrolled {
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.06);
}
.header-inner {
  max-width: var(--max-width-wide);
  margin: 0 auto;
  padding: var(--space-md) var(--space-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-text);
  transition: color var(--transition), transform var(--duration-fast) var(--ease-out);
}
.logo:hover {
  color: var(--color-accent);
  transform: scale(1.02);
}
.nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: var(--space-lg);
}
.nav a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text-muted);
  position: relative;
  transition: color var(--transition);
}
.nav a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width var(--transition) var(--ease-out);
}
.nav a:hover::after,
.nav a.current::after {
  width: 100%;
}
.nav a:hover {
  color: var(--color-text);
}
.nav a.current {
  color: var(--color-text);
  font-weight: 600;
}
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  background: none;
  border: none;
  cursor: pointer;
}
.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--color-text);
}

/* Theme toggle */
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  padding: 0;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  cursor: pointer;
  transition: border-color var(--transition),
              background var(--transition),
              transform var(--duration-fast) var(--ease-out),
              box-shadow var(--duration-fast) var(--ease-out);
  position: relative;
  overflow: hidden;
  margin-left: var(--space-sm);
}
.theme-toggle:hover {
  border-color: var(--color-accent);
  transform: scale(1.05);
}
[data-theme="dark"] .theme-toggle:hover {
  box-shadow: 0 0 16px rgba(0, 212, 255, 0.4);
}
.theme-toggle:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}
.theme-toggle__icon {
  position: absolute;
  width: 22px;
  height: 22px;
  transition: transform 0.4s var(--ease-out-expo),
              opacity 0.3s ease;
}
.theme-toggle__icon svg {
  width: 100%;
  height: 100%;
  fill: var(--color-text);
  transition: fill var(--theme-transition);
}
.theme-toggle__icon--sun {
  transform: rotate(0deg) scale(1);
  opacity: 1;
}
.theme-toggle__icon--moon {
  transform: rotate(-90deg) scale(0);
  opacity: 0;
}
[data-theme="dark"] .theme-toggle__icon--sun {
  transform: rotate(90deg) scale(0);
  opacity: 0;
}
[data-theme="dark"] .theme-toggle__icon--moon {
  transform: rotate(0deg) scale(1);
  opacity: 1;
}
[data-theme="dark"] .theme-toggle__icon svg {
  fill: var(--neon-blue);
}

/* Hero */
.hero {
  position: relative;
  min-height: 85vh;
  display: flex;
  align-items: center;
  padding: var(--space-2xl) var(--space-lg);
  overflow: hidden;
}
.hero-content {
  max-width: var(--max-width);
  margin: 0 auto;
  position: relative;
  z-index: 1;
}
.hero-pretitle {
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-sm);
}
.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 600;
  line-height: 1.2;
  margin: 0 0 var(--space-md);
  color: var(--color-text);
}
.hero-title em {
  font-style: italic;
  color: var(--color-accent);
}
.hero-subtitle {
  font-size: 1.15rem;
  color: var(--color-text-muted);
  max-width: 540px;
  margin: 0 0 var(--space-lg);
}
.btn {
  display: inline-block;
  padding: var(--space-sm) var(--space-lg);
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 500;
  border-radius: var(--radius);
  transition: background var(--transition), color var(--transition),
              transform var(--duration-fast) var(--ease-out),
              box-shadow var(--duration-fast) var(--ease-out);
  cursor: pointer;
  border: none;
}
.btn-primary {
  background: var(--color-accent);
  color: white;
}
.btn-primary:hover {
  background: var(--color-accent-light);
  color: white;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(45, 74, 62, 0.25);
}
.btn-primary:active {
  transform: translateY(0);
}
.hero-visual {
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 45%;
  max-width: 480px;
  height: 70%;
  pointer-events: none;
}
.hero-shape {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--color-bg-alt) 0%, var(--color-border) 100%);
  border-radius: 24px 0 0 24px;
}

/* Value section */
.value-section {
  padding: var(--space-2xl) 0;
  background: var(--color-bg-alt);
}
.section-title {
  font-family: var(--font-heading);
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 600;
  margin: 0 0 var(--space-md);
  color: var(--color-text);
  text-align: center;
}
.value-lead {
  font-size: 1.2rem;
  line-height: 1.7;
  color: var(--color-text-muted);
  text-align: center;
  max-width: 720px;
  margin: 0 auto;
}

/* Areas */
.areas-section {
  padding: var(--space-2xl) 0;
}
.section-intro {
  text-align: center;
  color: var(--color-text-muted);
  max-width: 600px;
  margin: 0 auto var(--space-xl);
}
.areas-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
  gap: var(--space-lg);
}
.area-card {
  padding: var(--space-lg);
  background: white;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  transition: box-shadow var(--duration-fast) var(--ease-out),
              border-color var(--transition),
              transform var(--duration-fast) var(--ease-out);
}
.area-card:hover {
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.08);
  border-color: var(--color-accent);
  transform: translateY(-4px);
}
.area-icon {
  font-size: 1.5rem;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}
.area-card h3 {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 600;
  margin: 0 0 var(--space-sm);
  color: var(--color-text);
}
.area-card p {
  margin: 0;
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

/* About */
.about-section {
  padding: var(--space-2xl) 0;
  background: var(--color-bg-alt);
}
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: center;
}
.about-content .section-title {
  text-align: left;
}
.about-lead {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
}
.about-list {
  list-style: none;
  margin: 0 0 var(--space-md);
  padding: 0;
}
.about-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  margin-bottom: var(--space-xs);
  color: var(--color-text);
}
.about-list .check {
  color: var(--color-accent);
  font-weight: 600;
  flex-shrink: 0;
}
.about-note {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  margin: 0;
}
.about-placeholder {
  aspect-ratio: 1;
  max-width: 320px;
  margin-left: auto;
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-light) 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-family: var(--font-heading);
  font-size: 4rem;
  font-weight: 600;
}

/* Sobre mí – Hero (página Sobre mí) */
.about-hero {
  padding: var(--space-2xl) 0;
  background: var(--color-bg);
}
.about-hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: center;
}
.about-hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2.25rem, 4vw, 3.5rem);
  font-weight: 600;
  margin: 0 0 var(--space-xs);
  color: var(--color-text);
}
.about-hero-subtitle {
  font-size: 1.15rem;
  color: var(--color-text-muted);
  margin: 0 0 var(--space-md);
}
.about-hero-intro {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-text);
  margin: 0 0 var(--space-md);
}
.about-hero-points {
  list-style: none;
  margin: 0 0 var(--space-lg);
  padding: 0;
}
.about-hero-points li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
  color: var(--color-text);
}
.about-hero-points .check {
  color: var(--color-accent);
  font-weight: 600;
  flex-shrink: 0;
}
.about-hero-social {
  display: flex;
  gap: var(--space-md);
  margin-top: var(--space-md);
}
.about-hero-social a {
  font-size: 0.95rem;
  font-weight: 500;
  transition: color var(--transition), transform var(--duration-fast) var(--ease-out);
}
.about-hero-social a:hover {
  transform: translateX(4px);
}
.about-hero-photo {
  width: min(100%, 380px);
  aspect-ratio: 1;
  margin-left: auto;
  position: relative;
  border-radius: 50%;
  overflow: hidden;
  background: radial-gradient(circle at 50% 30%, rgba(0, 212, 255, 0.24), rgba(124, 58, 237, 0.2) 58%, rgba(7, 12, 28, 0.95) 100%);
  border: 2px solid rgba(0, 212, 255, 0.45);
  box-shadow:
    0 18px 44px rgba(0, 0, 0, 0.35),
    0 0 24px rgba(0, 212, 255, 0.38),
    0 0 56px rgba(124, 58, 237, 0.28);
  transition: transform var(--duration) var(--ease-out);
}
.about-hero-photo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  display: block;
}
.about-hero-photo:hover {
  transform: scale(1.03);
  box-shadow:
    0 22px 48px rgba(0, 0, 0, 0.4),
    0 0 30px rgba(0, 212, 255, 0.5),
    0 0 72px rgba(124, 58, 237, 0.35);
}

/* Proceso de trabajo (4 pasos) */
.process-section {
  padding: var(--space-2xl) 0;
  background: var(--color-bg-alt);
}
.process-title {
  font-family: var(--font-heading);
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 600;
  margin: 0 0 var(--space-sm);
  color: var(--color-text);
  text-align: center;
}
.process-subtitle {
  text-align: center;
  color: var(--color-text-muted);
  margin: 0 0 var(--space-xl);
}
.process-list {
  list-style: none;
  margin: 0;
  padding: 0;
  max-width: 720px;
  margin: 0 auto;
}
.process-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
  align-items: start;
}
.process-item:last-child {
  margin-bottom: 0;
}
.process-num {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 600;
  color: var(--color-accent);
  line-height: 1;
  transition: transform var(--duration-fast) var(--ease-out);
}
.process-item:hover .process-num {
  transform: scale(1.1);
}
.process-content h3 {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 600;
  margin: 0 0 var(--space-xs);
  color: var(--color-text);
}
.process-content p {
  margin: 0;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text-muted);
}

/* Mi trayectoria – Timeline (fondo oscuro) */
.timeline-section {
  padding: var(--space-2xl) 0;
  background: var(--color-dark);
  color: var(--color-dark-text);
}
.timeline-section-title {
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  font-weight: 600;
  margin: 0 0 var(--space-xl);
  color: white;
  text-align: center;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.4;
}

/* Timeline - Alternating Layout */
.timeline {
  position: relative;
  max-width: 1000px;
  margin: 0 auto;
  padding: var(--space-lg) 0;
}

/* Desktop: Alternating grid layout */
@media (min-width: 769px) {
  .timeline--alternating {
    display: grid;
    grid-template-columns: 1fr 60px 1fr;
    gap: 0;
  }
}

/* Central line */
.timeline--alternating::before {
  content: '';
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  top: 0;
  bottom: 0;
  width: 4px;
  background: linear-gradient(180deg, var(--color-accent) 0%, var(--color-accent-secondary) 100%);
  border-radius: 2px;
}

/* Timeline item base */
.timeline-item {
  position: relative;
  padding-bottom: var(--space-xl);
  transition: opacity var(--duration) var(--ease-out),
              transform var(--duration) var(--ease-out);
}
.timeline-item:last-child {
  padding-bottom: 0;
}

/* Desktop alternating positioning */
@media (min-width: 769px) {
  .timeline-item--left {
    grid-column: 1;
    text-align: right;
    padding-right: var(--space-lg);
  }
  .timeline-item--right {
    grid-column: 3;
    text-align: left;
    padding-left: var(--space-lg);
  }

  /* Efecto escalera: cada item en su propia fila */
  .timeline-item:nth-child(1) { grid-row: 1; }
  .timeline-item:nth-child(2) { grid-row: 2; }
  .timeline-item:nth-child(3) { grid-row: 3; }
  .timeline-item:nth-child(4) { grid-row: 4; }
  .timeline-item:nth-child(5) { grid-row: 5; }
}

/* Timeline marker (centered dot) */
.timeline-marker {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  top: var(--space-md);
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--color-accent);
  border: 4px solid var(--color-dark);
  z-index: 2;
  transition: transform 0.4s var(--ease-out),
              box-shadow 0.4s var(--ease-out),
              background 0.4s ease;
}

@media (min-width: 769px) {
  .timeline-marker {
    grid-column: 2;
    position: relative;
    left: auto;
    transform: none;
    margin: var(--space-md) auto 0;
  }
  /* Explicit grid positioning for timeline items */
  .timeline-item--left .timeline-card { grid-column: 1; }
  .timeline-item--right .timeline-card { grid-column: 3; }
  .timeline-item .timeline-marker { grid-column: 2; }
}

.timeline-item:hover .timeline-marker {
  transform: translateX(-50%) scale(1.3);
  box-shadow: 0 0 20px rgba(0, 102, 255, 0.5);
}
@media (min-width: 769px) {
  .timeline-item:hover .timeline-marker {
    transform: scale(1.3);
  }
}

/* Year badge */
.timeline-year-badge {
  display: none;
}
@media (min-width: 769px) {
  .timeline-year-badge {
    display: block;
    position: absolute;
    top: var(--space-md);
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.08);
    letter-spacing: -0.02em;
    line-height: 1;
    pointer-events: none;
    transition: color 0.4s ease;
  }
  .timeline-item--left .timeline-year-badge {
    left: var(--space-sm);
  }
  .timeline-item--right .timeline-year-badge {
    right: var(--space-sm);
  }
  .timeline-item:hover .timeline-year-badge {
    color: rgba(255, 255, 255, 0.15);
  }
}

/* Timeline card */
.timeline-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  transition: transform 0.4s var(--ease-out),
              box-shadow 0.4s var(--ease-out),
              border-color 0.4s ease,
              background 0.4s ease;
}
.timeline-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 102, 255, 0.15);
  border-color: var(--color-accent);
  background: rgba(255, 255, 255, 0.08);
}

.timeline-card__period {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-accent);
  margin-bottom: var(--space-xs);
  letter-spacing: 0.02em;
}

.timeline-card h3 {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 600;
  margin: 0 0 var(--space-sm);
  color: white;
  transition: color var(--transition);
}
.timeline-card:hover h3 {
  color: var(--color-accent-light);
}

.timeline-card p {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.7;
  color: rgba(232, 235, 233, 0.85);
}

/* Mobile timeline */
@media (max-width: 768px) {
  .timeline--alternating::before {
    left: 10px;
  }
  .timeline-item {
    padding-left: calc(var(--space-lg) + 10px);
  }
  .timeline-item--left,
  .timeline-item--right {
    text-align: left;
  }
  .timeline-marker {
    left: 10px;
    transform: translateX(-50%);
  }
  .timeline-item:hover .timeline-marker {
    transform: translateX(-50%) scale(1.2);
  }
}

/* Legacy timeline support (backwards compatibility) */
.timeline:not(.timeline--alternating)::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: rgba(255, 255, 255, 0.2);
}
@media (min-width: 769px) {
  .timeline:not(.timeline--alternating)::before {
    left: 120px;
  }
}
.timeline:not(.timeline--alternating) .timeline-item {
  position: relative;
  padding-bottom: var(--space-xl);
}
.timeline-year {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--color-dark-text);
  margin-bottom: var(--space-xs);
}
@media (min-width: 769px) {
  .timeline:not(.timeline--alternating) .timeline-item {
    display: grid;
    grid-template-columns: 120px 24px 1fr;
    gap: var(--space-md);
    align-items: start;
  }
  .timeline:not(.timeline--alternating) .timeline-year {
    margin-bottom: 0;
    padding-top: 2px;
  }
}
.timeline-dot {
  position: absolute;
  left: -5px;
  top: 0.4rem;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-accent-light);
  z-index: 1;
  transition: transform var(--duration-fast) var(--ease-out),
              box-shadow var(--duration-fast) var(--ease-out);
}
@media (min-width: 769px) {
  .timeline:not(.timeline--alternating) .timeline-dot {
    left: 114px;
    top: 0.5rem;
  }
}
.timeline-content h3 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 600;
  margin: 0 0 var(--space-xs);
  color: white;
  transition: color var(--transition);
}
.timeline-content p {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.6;
  color: rgba(232, 235, 233, 0.9);
}
.timeline-item:hover .timeline-content h3 {
  color: var(--color-accent-light);
}
.timeline-item:hover .timeline-dot {
  transform: scale(1.3);
  box-shadow: 0 0 0 4px rgba(61, 107, 90, 0.3);
}

/* Certificates */
.certificates-section {
  padding: var(--space-2xl) 0;
}
.certificates-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr));
  gap: var(--space-lg);
  margin-bottom: var(--space-md);
}
.cert-card {
  background: white;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: box-shadow var(--duration-fast) var(--ease-out),
              transform var(--duration-fast) var(--ease-out);
}
.cert-card:hover {
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.08);
  transform: translateY(-4px);
}
.cert-placeholder {
  aspect-ratio: 4/3;
  background: var(--color-bg-alt);
  display: flex;
  align-items: center;
  justify-content: center;
}
.cert-badge {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  padding: var(--space-xs) var(--space-sm);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius);
}
.cert-card h3 {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 600;
  margin: var(--space-md) var(--space-md) var(--space-xs);
  color: var(--color-text);
}
.cert-card p {
  margin: 0 var(--space-md) var(--space-md);
  font-size: 0.9rem;
  color: var(--color-text-muted);
}
.certificates-note {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  text-align: center;
  margin: 0;
}

/* Contact */
.contact-section {
  padding: var(--space-2xl) 0;
  background: var(--color-bg-alt);
}
.contact-options {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-lg);
  margin-top: var(--space-md);
}
.contact-link {
  font-weight: 500;
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: white;
  color: var(--color-text);
  transition: border-color var(--transition), color var(--transition),
              transform var(--duration-fast) var(--ease-out),
              box-shadow var(--duration-fast) var(--ease-out);
}
.contact-link:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.06);
}

/* Footer */
.footer {
  padding: var(--space-lg) 0;
  border-top: 1px solid var(--color-border);
}
.footer-text {
  margin: 0;
  font-size: 0.9rem;
  color: var(--color-text-muted);
  text-align: center;
}

/* Responsive */
@media (max-width: 768px) {
  .nav {
    position: fixed;
    top: 0;
    right: 0;
    width: 80%;
    max-width: 320px;
    height: 100vh;
    background: var(--color-bg);
    padding: var(--space-2xl) var(--space-lg);
    transform: translateX(100%);
    transition: transform var(--transition);
    box-shadow: -4px 0 20px rgba(0, 0, 0, 0.08);
  }
  .nav.is-open {
    transform: translateX(0);
  }
  .nav ul {
    flex-direction: column;
    gap: var(--space-md);
  }
  .nav-toggle {
    display: flex;
    z-index: 60;
  }
  .nav-toggle[aria-expanded="true"] span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }
  .nav-toggle[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
  }
  .nav-toggle[aria-expanded="true"] span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }
  .nav-toggle span {
    transition: transform var(--transition), opacity var(--transition);
  }
  .hero-visual {
    display: none;
  }
  .about-grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
  .about-placeholder {
    margin: 0 auto;
    max-width: 240px;
  }
  .about-content .section-title {
    text-align: center;
  }
  .about-hero-grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
  .about-hero-photo {
    margin: 0 auto;
    width: min(100%, 280px);
  }
  .timeline-item {
    padding-left: var(--space-lg);
  }
  .timeline::before {
    left: 0;
  }
  .timeline-dot {
    left: -5px;
  }
  .header-inner {
    gap: var(--space-sm);
  }
  .theme-toggle {
    width: 40px;
    height: 40px;
    margin-left: 0;
  }
}

/* ============================================
   Dark Theme Specific Styles
   ============================================ */

/* Theme transition for smooth color changes */
body,
.header,
.nav,
.area-card,
.cert-card,
.contact-link,
.btn,
.footer {
  transition: background var(--theme-transition),
              color var(--theme-transition),
              border-color var(--theme-transition);
}

/* Disable transitions on initial load */
.no-transition,
.no-transition * {
  transition: none !important;
}

/* Dark mode - Logo glow on hover */
[data-theme="dark"] .logo:hover {
  color: var(--neon-blue);
  text-shadow: 0 0 20px rgba(0, 212, 255, 0.6);
}

/* Dark mode - Nav links with neon underline */
[data-theme="dark"] .nav a::after {
  background: linear-gradient(90deg, var(--neon-blue), var(--neon-purple));
}
[data-theme="dark"] .nav a:hover {
  color: var(--color-text);
  text-shadow: 0 0 12px rgba(0, 212, 255, 0.4);
}
[data-theme="dark"] .nav a.current {
  color: var(--neon-blue);
  text-shadow: 0 0 12px rgba(0, 212, 255, 0.5);
}

/* Dark mode - Hero section */
[data-theme="dark"] .hero {
  background: radial-gradient(ellipse at 70% 30%, rgba(0, 212, 255, 0.08) 0%, transparent 50%),
              radial-gradient(ellipse at 30% 70%, rgba(168, 85, 247, 0.06) 0%, transparent 50%),
              var(--color-bg);
}
[data-theme="dark"] .hero-title em {
  color: var(--neon-blue);
  text-shadow: 0 0 30px rgba(0, 212, 255, 0.5);
}
[data-theme="dark"] .hero-shape {
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.1) 0%, rgba(168, 85, 247, 0.1) 100%);
  border: 1px solid rgba(0, 212, 255, 0.2);
}

/* Dark mode - Buttons */
[data-theme="dark"] .btn-primary {
  background: linear-gradient(135deg, var(--neon-blue) 0%, #0099cc 100%);
  color: #0a0a0f;
  font-weight: 600;
}
[data-theme="dark"] .btn-primary:hover {
  background: linear-gradient(135deg, #33ddff 0%, var(--neon-blue) 100%);
  box-shadow: 0 0 30px rgba(0, 212, 255, 0.5),
              0 8px 24px rgba(0, 0, 0, 0.3);
}

/* Dark mode - Cards */
[data-theme="dark"] .area-card {
  background: var(--color-card-bg);
  border-color: var(--color-border);
}
[data-theme="dark"] .area-card:hover {
  border-color: var(--neon-blue);
  box-shadow: 0 0 24px rgba(0, 212, 255, 0.2),
              0 12px 32px rgba(0, 0, 0, 0.3);
}
[data-theme="dark"] .area-icon {
  color: var(--neon-purple);
  text-shadow: 0 0 12px rgba(168, 85, 247, 0.6);
}

/* Dark mode - Certificates */
[data-theme="dark"] .cert-card {
  background: var(--color-card-bg);
  border-color: var(--color-border);
}
[data-theme="dark"] .cert-card:hover {
  border-color: var(--neon-gold);
  box-shadow: 0 0 24px rgba(251, 191, 36, 0.2),
              0 12px 32px rgba(0, 0, 0, 0.3);
}
[data-theme="dark"] .cert-placeholder {
  background: var(--color-bg-alt);
}
[data-theme="dark"] .cert-badge {
  border-color: var(--neon-gold);
  color: var(--neon-gold);
}

/* Dark mode - Contact */
[data-theme="dark"] .contact-link {
  background: var(--color-card-bg);
  border-color: var(--color-border);
}
[data-theme="dark"] .contact-link:hover {
  border-color: var(--neon-green);
  color: var(--neon-green);
  box-shadow: 0 0 20px rgba(34, 197, 94, 0.3),
              0 6px 20px rgba(0, 0, 0, 0.2);
}

/* Dark mode - Timeline with neon gradient */
[data-theme="dark"] .timeline::before {
  background: linear-gradient(180deg,
    var(--neon-blue) 0%,
    var(--neon-purple) 50%,
    var(--neon-gold) 100%);
  box-shadow: 0 0 8px rgba(0, 212, 255, 0.4);
}
[data-theme="dark"] .timeline-dot {
  background: var(--neon-blue);
  box-shadow: 0 0 12px rgba(0, 212, 255, 0.6);
}
[data-theme="dark"] .timeline-item:hover .timeline-dot {
  background: var(--neon-purple);
  box-shadow: 0 0 16px rgba(168, 85, 247, 0.8);
}
[data-theme="dark"] .timeline-content h3:hover {
  text-shadow: 0 0 16px rgba(0, 212, 255, 0.5);
}

/* Dark mode - Process section */
[data-theme="dark"] .process-num {
  color: var(--neon-purple);
  text-shadow: 0 0 20px rgba(168, 85, 247, 0.5);
}
[data-theme="dark"] .process-item:hover .process-num {
  text-shadow: 0 0 30px rgba(168, 85, 247, 0.8);
}

/* Dark mode - About placeholder */
[data-theme="dark"] .about-placeholder {
  background: linear-gradient(135deg, var(--neon-blue) 0%, var(--neon-purple) 100%);
  box-shadow: 0 0 40px rgba(0, 212, 255, 0.3);
}

/* Dark mode - Value section */
[data-theme="dark"] .value-section {
  background: var(--color-bg-alt);
}
[data-theme="dark"] .value-lead strong {
  color: var(--neon-blue);
}

/* Dark mode - Skip link */
[data-theme="dark"] .skip-link {
  background: var(--neon-blue);
  color: #0a0a0f;
}

/* Dark mode - Footer */
[data-theme="dark"] .footer {
  border-top-color: var(--color-border);
  background: var(--color-bg);
}

/* Accessibility - Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Focus states for accessibility */
[data-theme="dark"] a:focus-visible,
[data-theme="dark"] button:focus-visible {
  outline: 2px solid var(--neon-blue);
  outline-offset: 2px;
}

/* ============================================
   Light Mode Vibrante
   ============================================ */

/* Light mode - Hero with subtle gradient */
:root .hero,
[data-theme="light"] .hero {
  background: radial-gradient(ellipse at 70% 30%, rgba(0, 102, 255, 0.04) 0%, transparent 50%),
              radial-gradient(ellipse at 30% 70%, rgba(124, 58, 237, 0.03) 0%, transparent 50%),
              var(--color-bg);
}
:root .hero-title em,
[data-theme="light"] .hero-title em {
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Light mode - Logo hover */
:root .logo:hover,
[data-theme="light"] .logo:hover {
  color: var(--color-accent);
  text-shadow: 0 2px 12px rgba(0, 102, 255, 0.2);
}

/* Light mode - Nav underline gradient */
:root .nav a::after,
[data-theme="light"] .nav a::after {
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-secondary));
}
:root .nav a.current,
[data-theme="light"] .nav a.current {
  color: var(--color-accent);
}

/* Light mode - Buttons with gradient */
:root .btn-primary,
[data-theme="light"] .btn-primary {
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-secondary) 100%);
  color: white;
  border: none;
}
:root .btn-primary:hover,
[data-theme="light"] .btn-primary:hover {
  background: linear-gradient(135deg, #0055dd 0%, #6d28d9 100%);
  box-shadow: 0 8px 30px rgba(0, 102, 255, 0.35);
}

/* Light mode - Cards with colorful hover */
:root .area-card:hover,
[data-theme="light"] .area-card:hover {
  border-color: var(--color-accent);
  box-shadow: 0 12px 40px rgba(0, 102, 255, 0.12);
}
:root .area-icon,
[data-theme="light"] .area-icon {
  color: var(--color-accent-secondary);
}

/* Light mode - Certificates with amber accent */
:root .cert-card:hover,
[data-theme="light"] .cert-card:hover {
  border-color: var(--color-accent-warm);
  box-shadow: 0 12px 40px rgba(245, 158, 11, 0.15);
}
:root .cert-badge,
[data-theme="light"] .cert-badge {
  border-color: var(--color-accent-warm);
  color: var(--color-accent-warm);
}

/* Light mode - Contact links */
:root .contact-link:hover,
[data-theme="light"] .contact-link:hover {
  border-color: var(--color-accent-success);
  color: var(--color-accent-success);
  box-shadow: 0 6px 24px rgba(16, 185, 129, 0.15);
}

/* Light mode - Process numbers */
:root .process-num,
[data-theme="light"] .process-num {
  color: var(--color-accent-secondary);
}

/* Light mode - About placeholder gradient */
:root .about-placeholder,
[data-theme="light"] .about-placeholder {
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-secondary) 100%);
}

/* Light mode - Check marks */
:root .check,
:root .about-hero-points .check,
:root .about-list .check,
[data-theme="light"] .check,
[data-theme="light"] .about-hero-points .check,
[data-theme="light"] .about-list .check {
  color: var(--color-accent-success);
}

/* Light mode - Timeline section (keep dark background for contrast) */
:root .timeline-section,
[data-theme="light"] .timeline-section {
  background: linear-gradient(180deg, #1a1a24 0%, #0f0f18 100%);
}

/* Light mode - Timeline line gradient */
:root .timeline--alternating::before,
[data-theme="light"] .timeline--alternating::before {
  background: linear-gradient(180deg, var(--color-accent) 0%, var(--color-accent-secondary) 100%);
  box-shadow: 0 0 12px rgba(0, 102, 255, 0.4);
}

/* Light mode - Timeline marker */
:root .timeline-marker,
[data-theme="light"] .timeline-marker {
  background: var(--color-accent);
  border-color: #1a1a24;
}
:root .timeline-item:hover .timeline-marker,
[data-theme="light"] .timeline-item:hover .timeline-marker {
  background: var(--color-accent-secondary);
  box-shadow: 0 0 20px rgba(124, 58, 237, 0.6);
}

/* Light mode - Timeline card */
:root .timeline-card__period,
[data-theme="light"] .timeline-card__period {
  color: var(--color-accent);
}

/* Light mode - Social links */
:root .about-hero-social a,
[data-theme="light"] .about-hero-social a {
  position: relative;
}
:root .about-hero-social a::after,
[data-theme="light"] .about-hero-social a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-secondary));
  transition: width 0.3s var(--ease-out);
}
:root .about-hero-social a:hover::after,
[data-theme="light"] .about-hero-social a:hover::after {
  width: 100%;
}

/* ============================================
   Dark Mode Timeline Enhancements
   ============================================ */

[data-theme="dark"] .timeline--alternating::before {
  background: linear-gradient(180deg,
    var(--neon-blue) 0%,
    var(--neon-purple) 50%,
    var(--neon-gold) 100%);
  box-shadow: 0 0 16px rgba(0, 212, 255, 0.5);
}

[data-theme="dark"] .timeline-marker {
  background: var(--neon-blue);
  border-color: var(--color-dark);
  box-shadow: 0 0 12px rgba(0, 212, 255, 0.6);
}

[data-theme="dark"] .timeline-item:hover .timeline-marker {
  background: var(--neon-purple);
  box-shadow: 0 0 24px rgba(168, 85, 247, 0.8);
}

[data-theme="dark"] .timeline-card {
  background: rgba(0, 212, 255, 0.03);
  border-color: rgba(0, 212, 255, 0.15);
}

[data-theme="dark"] .timeline-card:hover {
  background: rgba(0, 212, 255, 0.06);
  border-color: var(--neon-blue);
  box-shadow: 0 12px 40px rgba(0, 212, 255, 0.2),
              0 0 20px rgba(0, 212, 255, 0.1);
}

[data-theme="dark"] .timeline-card__period {
  color: var(--neon-blue);
}

[data-theme="dark"] .timeline-card:hover h3 {
  color: var(--neon-blue);
  text-shadow: 0 0 20px rgba(0, 212, 255, 0.4);
}

[data-theme="dark"] .timeline-year-badge {
  color: rgba(0, 212, 255, 0.08);
}

[data-theme="dark"] .timeline-item:hover .timeline-year-badge {
  color: rgba(0, 212, 255, 0.15);
}

/* Pulse animation for markers in dark mode */
@keyframes pulse-glow {
  0%, 100% {
    box-shadow: 0 0 12px rgba(0, 212, 255, 0.6);
  }
  50% {
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.9);
  }
}

[data-theme="dark"] .timeline-marker {
  animation: pulse-glow 2s ease-in-out infinite;
}

[data-theme="dark"] .timeline-item:hover .timeline-marker {
  animation: none;
}

/* ============================================
   CV Button in Header
   ============================================ */

.btn-cv {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 0.5rem 0.75rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text);
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  text-decoration: none;
  transition: border-color var(--transition),
              color var(--transition),
              background var(--transition),
              transform var(--duration-fast) var(--ease-out),
              box-shadow var(--duration-fast) var(--ease-out);
}
.btn-cv svg {
  width: 18px;
  height: 18px;
}
.btn-cv:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  transform: translateY(-2px);
}
[data-theme="dark"] .btn-cv:hover {
  border-color: var(--neon-blue);
  color: var(--neon-blue);
  box-shadow: 0 0 12px rgba(0, 212, 255, 0.3);
}

@media (max-width: 768px) {
  .btn-cv__text {
    display: none;
  }
  .btn-cv {
    padding: 0.5rem;
  }
}

/* Secondary Button */
.btn-secondary {
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border);
}
.btn-secondary:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
}
[data-theme="dark"] .btn-secondary {
  border-color: var(--color-border);
}
[data-theme="dark"] .btn-secondary:hover {
  border-color: var(--neon-blue);
  color: var(--neon-blue);
  box-shadow: 0 0 20px rgba(0, 212, 255, 0.3);
}

/* About Hero Buttons */
.about-hero-buttons {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

/* ============================================
   Skills Section
   ============================================ */

.skills-section {
  padding: var(--space-2xl) 0;
  background: var(--color-bg);
}
.skills-title {
  font-family: var(--font-heading);
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 600;
  margin: 0 0 var(--space-sm);
  color: var(--color-text);
  text-align: center;
}
.skills-subtitle {
  text-align: center;
  color: var(--color-text-muted);
  margin: 0 0 var(--space-xl);
}
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
  gap: var(--space-lg);
}
.skills-group {
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  transition: border-color var(--transition),
              box-shadow var(--duration-fast) var(--ease-out),
              transform var(--duration-fast) var(--ease-out);
}
.skills-group:hover {
  border-color: var(--color-accent);
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.08);
}
[data-theme="dark"] .skills-group:hover {
  border-color: var(--neon-blue);
  box-shadow: 0 0 24px rgba(0, 212, 255, 0.15),
              0 12px 32px rgba(0, 0, 0, 0.3);
}
.skills-group__title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 600;
  margin: 0 0 var(--space-md);
  color: var(--color-text);
}
.skills-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
}
.skill-tag {
  display: inline-block;
  padding: 0.35rem 0.75rem;
  font-size: 0.85rem;
  font-weight: 500;
  border-radius: 20px;
  transition: transform var(--duration-fast) var(--ease-out);
}
.skill-tag:hover {
  transform: scale(1.05);
}

/* Skill levels */
.skill-tag--advanced {
  background: var(--color-accent);
  color: white;
}
.skill-tag--intermediate {
  background: var(--color-accent-secondary);
  color: white;
}
.skill-tag--basic {
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
}

/* Dark mode skills */
[data-theme="dark"] .skill-tag--advanced {
  background: linear-gradient(135deg, var(--neon-blue) 0%, #0099cc 100%);
  color: #0a0a0f;
}
[data-theme="dark"] .skill-tag--intermediate {
  background: linear-gradient(135deg, var(--neon-purple) 0%, #7c3aed 100%);
  color: white;
}
[data-theme="dark"] .skill-tag--basic {
  border-color: var(--color-border);
  color: var(--color-text-muted);
}

/* ============================================
   Projects Page
   ============================================ */

.projects-hero {
  padding: var(--space-2xl) 0 var(--space-xl);
  background: var(--color-bg);
  text-align: center;
}
.projects-hero__title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 600;
  margin: 0 0 var(--space-sm);
  color: var(--color-text);
}
.projects-hero__subtitle {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  max-width: 600px;
  margin: 0 auto;
}

.projects-section {
  padding: 0 0 var(--space-2xl);
  background: var(--color-bg);
}

/* Project Filters */
.projects-filters {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-xl);
}
.filter-btn {
  padding: 0.6rem 1.25rem;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-muted);
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: 25px;
  cursor: pointer;
  transition: all var(--transition);
}
.filter-btn:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}
.filter-btn--active {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: white;
}
[data-theme="dark"] .filter-btn--active {
  background: linear-gradient(135deg, var(--neon-blue) 0%, #0099cc 100%);
  border-color: var(--neon-blue);
  color: #0a0a0f;
  box-shadow: 0 0 16px rgba(0, 212, 255, 0.4);
}
[data-theme="dark"] .filter-btn:hover:not(.filter-btn--active) {
  border-color: var(--neon-blue);
  color: var(--neon-blue);
}

/* Projects Grid */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr));
  gap: var(--space-lg);
}

/* Project Card */
.project-card {
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--transition),
              box-shadow var(--duration-fast) var(--ease-out),
              transform var(--duration-fast) var(--ease-out),
              opacity 0.3s ease;
}
.project-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-6px);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.1);
}
[data-theme="dark"] .project-card:hover {
  border-color: var(--neon-blue);
  box-shadow: 0 0 28px rgba(0, 212, 255, 0.2),
              0 16px 40px rgba(0, 0, 0, 0.4);
}
.project-card--hidden {
  opacity: 0;
  transform: scale(0.95);
}

.project-card__image {
  aspect-ratio: 16/10;
  overflow: hidden;
}
.project-placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-secondary) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 700;
  transition: transform 0.4s var(--ease-out);
}
.project-card:hover .project-placeholder {
  transform: scale(1.05);
}
[data-theme="dark"] .project-placeholder {
  background: linear-gradient(135deg, var(--neon-blue) 0%, var(--neon-purple) 100%);
  color: #0a0a0f;
}

.project-card__content {
  padding: var(--space-lg);
}
.project-card__title {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 600;
  margin: 0 0 var(--space-sm);
  color: var(--color-text);
  transition: color var(--transition);
}
.project-card:hover .project-card__title {
  color: var(--color-accent);
}
[data-theme="dark"] .project-card:hover .project-card__title {
  color: var(--neon-blue);
}
.project-card__description {
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--color-text-muted);
  margin: 0 0 var(--space-md);
}

.project-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin-bottom: var(--space-md);
}
.project-tag {
  display: inline-block;
  padding: 0.25rem 0.6rem;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--color-accent);
  background: rgba(0, 102, 255, 0.1);
  border-radius: 4px;
}
[data-theme="dark"] .project-tag {
  color: var(--neon-blue);
  background: rgba(0, 212, 255, 0.1);
}

.project-card__links {
  display: flex;
  gap: var(--space-md);
}
.project-link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-accent);
  position: relative;
}
.project-link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width var(--transition);
}
.project-link:hover::after {
  width: 100%;
}
[data-theme="dark"] .project-link {
  color: var(--neon-blue);
}
[data-theme="dark"] .project-link::after {
  background: linear-gradient(90deg, var(--neon-blue), var(--neon-purple));
}

/* ============================================
   Achievements/Stats Section
   ============================================ */

.stats-section {
  padding: var(--space-xl) 0;
  background: var(--color-bg-alt);
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 200px), 1fr));
  gap: var(--space-lg);
  max-width: 800px;
  margin: 0 auto;
}
.stat-card {
  text-align: center;
  padding: var(--space-lg);
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: border-color var(--transition),
              transform var(--duration-fast) var(--ease-out),
              box-shadow var(--duration-fast) var(--ease-out);
}
.stat-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.08);
}
[data-theme="dark"] .stat-card:hover {
  border-color: var(--neon-blue);
  box-shadow: 0 0 24px rgba(0, 212, 255, 0.15),
              0 12px 32px rgba(0, 0, 0, 0.3);
}
.stat-card__number {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: var(--space-xs);
}
[data-theme="dark"] .stat-card__number {
  color: var(--neon-blue);
  text-shadow: 0 0 20px rgba(0, 212, 255, 0.5);
}
.stat-card__label {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  margin: 0;
}

/* ============================================
   NEW SECTIONS - What I Do / Services
   ============================================ */

.what-i-do-section {
  padding: var(--space-2xl) 0;
  background: var(--color-bg);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
  gap: var(--space-lg);
}

.service-card {
  padding: var(--space-lg);
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: border-color var(--transition),
              box-shadow var(--duration-fast) var(--ease-out),
              transform var(--duration-fast) var(--ease-out);
}
.service-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.08);
}
[data-theme="dark"] .service-card:hover {
  border-color: var(--neon-blue);
  box-shadow: 0 0 24px rgba(0, 212, 255, 0.15),
              0 12px 32px rgba(0, 0, 0, 0.3);
}
.service-card__icon {
  color: var(--color-accent);
  margin-bottom: var(--space-md);
}
[data-theme="dark"] .service-card__icon {
  color: var(--neon-purple);
}
.service-card__title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 600;
  margin: 0 0 var(--space-sm);
  color: var(--color-text);
}
.service-card__description {
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--color-text-muted);
  margin: 0;
}

/* ============================================
   Cases Section
   ============================================ */

.cases-section {
  padding: var(--space-2xl) 0;
  background: var(--color-bg-alt);
}
.cases-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr));
  gap: var(--space-lg);
}
.case-card {
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  transition: border-color var(--transition),
              box-shadow var(--duration-fast) var(--ease-out),
              transform var(--duration-fast) var(--ease-out);
}
.case-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.08);
}
[data-theme="dark"] .case-card:hover {
  border-color: var(--neon-blue);
  box-shadow: 0 0 24px rgba(0, 212, 255, 0.15),
              0 12px 32px rgba(0, 0, 0, 0.3);
}
.case-card__badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-accent);
  background: rgba(0, 102, 255, 0.1);
  border-radius: 20px;
  margin-bottom: var(--space-sm);
}
[data-theme="dark"] .case-card__badge {
  color: var(--neon-blue);
  background: rgba(0, 212, 255, 0.1);
}
.case-card__title {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 600;
  margin: 0 0 var(--space-md);
  color: var(--color-text);
}
.case-card__content {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}
.case-card__item {
  padding: var(--space-sm);
  background: var(--color-bg-alt);
  border-radius: var(--radius);
}
[data-theme="dark"] .case-card__item {
  background: rgba(255, 255, 255, 0.03);
}
.case-card__label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  margin-bottom: 0.25rem;
}
.case-card__item p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.5;
  color: var(--color-text);
}
.case-card__item--result {
  background: rgba(16, 185, 129, 0.1);
}
.case-card__item--result .case-card__label {
  color: var(--color-accent-success);
}
[data-theme="dark"] .case-card__item--result {
  background: rgba(34, 197, 94, 0.1);
}
[data-theme="dark"] .case-card__item--result .case-card__label {
  color: var(--neon-green);
}
.cases-cta {
  text-align: center;
  margin-top: var(--space-xl);
}

/* ============================================
   Stack Section
   ============================================ */

.stack-section {
  padding: var(--space-2xl) 0;
  background: var(--color-bg);
}
.stack-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 200px), 1fr));
  gap: var(--space-lg);
}
.stack-group {
  padding: var(--space-md);
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: border-color var(--transition),
              transform var(--duration-fast) var(--ease-out);
}
.stack-group:hover {
  border-color: var(--color-accent);
  transform: translateY(-2px);
}
[data-theme="dark"] .stack-group:hover {
  border-color: var(--neon-blue);
}
.stack-group__title {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  margin: 0 0 var(--space-sm);
  color: var(--color-text);
}
.stack-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.stack-tag {
  display: inline-block;
  padding: 0.3rem 0.6rem;
  font-size: 0.8rem;
  font-weight: 500;
  border-radius: 4px;
  transition: transform var(--duration-fast) var(--ease-out);
}
.stack-tag:hover {
  transform: scale(1.05);
}
.stack-tag--primary {
  background: var(--color-accent);
  color: white;
}
.stack-tag--secondary {
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
}
[data-theme="dark"] .stack-tag--primary {
  background: linear-gradient(135deg, var(--neon-blue) 0%, #0099cc 100%);
  color: #0a0a0f;
}

/* ============================================
   Social Proof Section
   ============================================ */

.social-proof-section {
  padding: var(--space-2xl) 0;
  background: var(--color-bg-alt);
}
.logos-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
}
.logo-placeholder {
  width: 120px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-card-bg);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius);
  color: var(--color-text-muted);
  font-size: 0.85rem;
}
.logo-placeholder--image {
  width: 220px;
  height: 88px;
  border-style: solid;
  padding: 10px;
}
.logo-image {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr));
  gap: var(--space-lg);
}
.testimonial-card {
  padding: var(--space-lg);
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}
.testimonial-card__quote {
  font-size: 1rem;
  font-style: italic;
  line-height: 1.7;
  color: var(--color-text);
  margin: 0 0 var(--space-md);
  position: relative;
  padding-left: var(--space-md);
  border-left: 3px solid var(--color-accent);
}
[data-theme="dark"] .testimonial-card__quote {
  border-left-color: var(--neon-blue);
}
.testimonial-card__author {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}
.testimonial-card__avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-bg-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  font-size: 1.25rem;
}
.testimonial-card__info {
  display: flex;
  flex-direction: column;
}
.testimonial-card__name {
  font-weight: 600;
  color: var(--color-text);
}
.testimonial-card__role {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

/* ============================================
   Human Section (Mi parte humana)
   ============================================ */

.human-section {
  padding: var(--space-2xl) 0;
  background: var(--color-bg);
}
.human-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: center;
}
.human-content .section-title {
  text-align: left;
}
.human-lead {
  font-size: 1.15rem;
  color: var(--color-text);
  margin-bottom: var(--space-md);
}
.human-text {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
}
.human-text strong {
  color: var(--color-text);
}
.human-photo-frame {
  aspect-ratio: 4/3;
  background: var(--color-bg-alt);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
}
.human-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 40%;
  display: block;
}

@media (max-width: 768px) {
  .human-grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
  .human-content .section-title {
    text-align: center;
  }
}

/* ============================================
   Latest Posts Section
   ============================================ */

.latest-posts-section {
  padding: var(--space-2xl) 0;
  background: var(--color-bg-alt);
}
.posts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
  gap: var(--space-lg);
}
.post-card {
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--transition),
              box-shadow var(--duration-fast) var(--ease-out),
              transform var(--duration-fast) var(--ease-out);
}
.post-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.08);
}
[data-theme="dark"] .post-card:hover {
  border-color: var(--neon-blue);
  box-shadow: 0 0 24px rgba(0, 212, 255, 0.15),
              0 12px 32px rgba(0, 0, 0, 0.3);
}
.post-card__image {
  aspect-ratio: 16/9;
  overflow: hidden;
}
.post-placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-secondary) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.25rem;
  font-weight: 600;
}
[data-theme="dark"] .post-placeholder {
  background: linear-gradient(135deg, var(--neon-blue) 0%, var(--neon-purple) 100%);
}
.post-card__content {
  padding: var(--space-md);
}
.post-card__category {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-accent);
  margin-bottom: var(--space-xs);
}
[data-theme="dark"] .post-card__category {
  color: var(--neon-blue);
}
.post-card__title {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 600;
  margin: 0 0 var(--space-sm);
  color: var(--color-text);
}
.post-card__excerpt {
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--color-text-muted);
  margin: 0 0 var(--space-sm);
}
.post-card__link {
  font-size: 0.9rem;
  font-weight: 500;
}
.posts-cta {
  text-align: center;
  margin-top: var(--space-xl);
}

/* ============================================
   CTA Section
   ============================================ */

.cta-section {
  padding: var(--space-2xl) 0;
  background: var(--color-dark);
  color: white;
}
.cta-content {
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}
.cta-title {
  font-family: var(--font-heading);
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 600;
  margin: 0 0 var(--space-sm);
  color: white;
}
.cta-subtitle {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.8);
  margin: 0 0 var(--space-lg);
}
.btn-large {
  padding: var(--space-md) var(--space-xl);
  font-size: 1rem;
}

/* ============================================
   Services Page
   ============================================ */

.services-hero {
  padding: var(--space-2xl) 0 var(--space-xl);
  background: var(--color-bg);
  text-align: center;
}
.services-hero__title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 600;
  margin: 0 0 var(--space-sm);
  color: var(--color-text);
}
.services-hero__subtitle {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  max-width: 600px;
  margin: 0 auto;
}

.services-main-section {
  padding: 0 0 var(--space-2xl);
  background: var(--color-bg);
}
.services-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr));
  gap: var(--space-lg);
}
.service-detail-card {
  padding: var(--space-xl);
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: border-color var(--transition),
              box-shadow var(--duration-fast) var(--ease-out),
              transform var(--duration-fast) var(--ease-out);
}
.service-detail-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.1);
}
[data-theme="dark"] .service-detail-card:hover {
  border-color: var(--neon-blue);
  box-shadow: 0 0 28px rgba(0, 212, 255, 0.2),
              0 16px 40px rgba(0, 0, 0, 0.4);
}
.service-detail-card__icon {
  color: var(--color-accent);
  margin-bottom: var(--space-md);
}
[data-theme="dark"] .service-detail-card__icon {
  color: var(--neon-purple);
}
.service-detail-card__title {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 600;
  margin: 0 0 var(--space-sm);
  color: var(--color-text);
}
.service-detail-card__description {
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--color-text-muted);
  margin: 0 0 var(--space-md);
}
.service-detail-card__features {
  list-style: none;
  margin: 0;
  padding: 0;
}
.service-detail-card__features li {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) 0;
  font-size: 0.9rem;
  color: var(--color-text);
}
.service-detail-card__features li::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--color-accent);
  border-radius: 50%;
  flex-shrink: 0;
}
[data-theme="dark"] .service-detail-card__features li::before {
  background: var(--neon-blue);
}

/* ============================================
   Packages Section
   ============================================ */

.packages-section {
  padding: var(--space-2xl) 0;
  background: var(--color-bg-alt);
}
.packages-section .container {
  max-width: 1160px;
}
.packages-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(1rem, 2.2vw, 1.6rem);
  align-items: stretch;
}
.package-card {
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  position: relative;
  min-height: 100%;
  transition: border-color var(--transition),
              box-shadow var(--duration-fast) var(--ease-out),
              transform var(--duration-fast) var(--ease-out);
}
.package-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.1);
}
[data-theme="dark"] .package-card:hover {
  border-color: var(--neon-blue);
}
.package-card--featured {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 2px var(--color-accent);
}
[data-theme="dark"] .package-card--featured {
  border-color: var(--neon-blue);
  box-shadow: 0 0 0 2px var(--neon-blue),
              0 0 20px rgba(0, 212, 255, 0.2);
}
.package-card__badge {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  padding: 0.25rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: var(--color-accent);
  color: white;
  border-radius: 20px;
}
[data-theme="dark"] .package-card__badge {
  background: var(--neon-blue);
  color: #0a0a0f;
}
.package-card__header {
  padding: var(--space-lg);
  text-align: center;
  border-bottom: 1px solid var(--color-border);
  min-height: 126px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.35rem;
}
.package-card__title {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 600;
  margin: 0;
  line-height: 1.2;
  color: var(--color-text);
}
.package-card__tagline {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin: 0;
}
.package-card__content {
  padding: var(--space-lg);
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}
.package-card__description {
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--color-text-muted);
  margin: 0;
}
.package-card__includes {
  list-style: none;
  margin: 0;
  padding: 0;
  flex: 1;
}
.package-card__includes li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-xs);
  padding: var(--space-xs) 0;
  font-size: 0.9rem;
  color: var(--color-text);
}
.package-card__includes li::before {
  content: '✓';
  color: var(--color-accent-success);
  font-weight: 600;
  flex-shrink: 0;
}
[data-theme="dark"] .package-card__includes li::before {
  color: var(--neon-green);
}
.package-card__ideal {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin: 0;
  margin-top: auto;
  padding: var(--space-sm);
  background: var(--color-bg-alt);
  border-radius: var(--radius);
}
.package-card__footer {
  padding: var(--space-lg);
  border-top: 1px solid var(--color-border);
  margin-top: auto;
}
.package-card__footer .btn {
  width: 100%;
  text-align: center;
}

@media (max-width: 900px) {
  .packages-grid {
    grid-template-columns: 1fr;
  }

  .package-card__header {
    min-height: 0;
  }
}

/* ============================================
   Service Process Section
   ============================================ */

.service-process-section {
  padding: var(--space-2xl) 0;
  background: var(--color-bg);
}
.service-process-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr));
  gap: var(--space-lg);
}
.service-process-step {
  text-align: center;
  padding: var(--space-lg);
}
.service-process-step__number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: white;
  background: var(--color-accent);
  border-radius: 50%;
  margin-bottom: var(--space-md);
}
[data-theme="dark"] .service-process-step__number {
  background: linear-gradient(135deg, var(--neon-blue) 0%, var(--neon-purple) 100%);
  color: #0a0a0f;
}
.service-process-step__title {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 600;
  margin: 0 0 var(--space-sm);
  color: var(--color-text);
}
.service-process-step__description {
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--color-text-muted);
  margin: 0;
}

/* ============================================
   Guarantees Section
   ============================================ */

.guarantees-section {
  padding: var(--space-2xl) 0;
  background: var(--color-bg-alt);
}
.guarantees-section .container {
  max-width: 1160px;
}
.guarantees-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(1rem, 2.2vw, 1.6rem);
  align-items: stretch;
}
.guarantee-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: var(--space-md);
  align-items: start;
  padding: clamp(1rem, 2.2vw, 1.4rem);
  background: var(--color-card-bg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  min-height: 180px;
  transition: border-color var(--transition),
              box-shadow var(--duration-fast) var(--ease-out),
              transform var(--duration-fast) var(--ease-out);
}
.guarantee-item:hover {
  border-color: var(--color-accent);
  transform: translateY(-3px);
  box-shadow: 0 14px 36px rgba(0, 0, 0, 0.12);
}
[data-theme="dark"] .guarantee-item:hover {
  border-color: var(--neon-blue);
  box-shadow: 0 0 24px rgba(0, 212, 255, 0.15),
              0 14px 36px rgba(0, 0, 0, 0.45);
}
.guarantee-item__icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent-success);
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.26);
}
.guarantee-item__content {
  min-width: 0;
}
[data-theme="dark"] .guarantee-item__icon {
  color: var(--neon-green);
  background: rgba(34, 197, 94, 0.12);
  border-color: rgba(34, 197, 94, 0.3);
}
.guarantee-item__title {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 600;
  line-height: 1.3;
  margin: 0 0 0.35rem;
  color: var(--color-text);
}
.guarantee-item__description {
  font-size: 0.95rem;
  line-height: 1.65;
  color: var(--color-text-muted);
  margin: 0;
  max-width: 65ch;
}

@media (max-width: 980px) {
  .guarantees-grid {
    grid-template-columns: 1fr;
  }

  .guarantee-item {
    min-height: 0;
  }
}

@media (max-width: 480px) {
  .guarantee-item {
    grid-template-columns: 1fr;
    gap: var(--space-sm);
  }

  .guarantee-item__icon {
    width: 44px;
    height: 44px;
  }
}

/* ============================================
   FAQ Section
   ============================================ */

.faq-section {
  padding: var(--space-2xl) 0;
  background: var(--color-bg);
}
.faq-section .container {
  max-width: 980px;
}
.faq-list {
  max-width: 920px;
  margin: 0 auto;
  display: grid;
  gap: var(--space-sm);
}
.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-card-bg);
  overflow: hidden;
  transition: border-color var(--transition),
              box-shadow var(--duration-fast) var(--ease-out),
              transform var(--duration-fast) var(--ease-out);
}
.faq-item:hover {
  transform: translateY(-2px);
  border-color: var(--color-accent);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.08);
}
[data-theme="dark"] .faq-item:hover {
  border-color: var(--neon-blue);
  box-shadow: 0 0 18px rgba(0, 212, 255, 0.12),
              0 10px 24px rgba(0, 0, 0, 0.35);
}
.faq-item.faq-item--open {
  border-color: var(--color-accent);
}
[data-theme="dark"] .faq-item.faq-item--open {
  border-color: var(--neon-blue);
  box-shadow: 0 0 0 1px rgba(0, 212, 255, 0.25) inset;
}
.faq-item__question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  gap: var(--space-md);
  padding: 1.05rem 1.1rem;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  font-family: var(--font-body);
  font-size: 1.02rem;
  font-weight: 600;
  line-height: 1.45;
  color: var(--color-text);
  transition: color var(--transition), background var(--transition);
}
.faq-item__question:hover {
  background: rgba(0, 102, 255, 0.04);
  color: var(--color-accent);
}
[data-theme="dark"] .faq-item__question:hover {
  background: rgba(0, 212, 255, 0.06);
  color: var(--neon-blue);
}
.faq-item__icon {
  flex-shrink: 0;
  opacity: 0.9;
  transition: transform var(--transition), opacity var(--transition);
}
.faq-item__question[aria-expanded="true"] .faq-item__icon {
  transform: rotate(180deg);
  opacity: 1;
}
.faq-item__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
}
.faq-item__answer.is-open {
  padding: 0 1.1rem 1rem;
}
.faq-item__answer p {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--color-text-muted);
  max-width: 75ch;
}

@media (max-width: 768px) {
  .faq-section .container {
    max-width: 100%;
  }

  .faq-item__question {
    font-size: 0.97rem;
    padding: 0.95rem 0.95rem;
    gap: var(--space-sm);
  }

  .faq-item__answer.is-open {
    padding: 0 0.95rem 0.9rem;
  }
}

/* ============================================
   Values Section (Sobre mí)
   ============================================ */

.values-section {
  padding: var(--space-2xl) 0;
  background: var(--color-bg);
}
.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr));
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
}
.value-card {
  padding: var(--space-lg);
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  text-align: center;
  transition: border-color var(--transition),
              transform var(--duration-fast) var(--ease-out);
}
.value-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-4px);
}
[data-theme="dark"] .value-card:hover {
  border-color: var(--neon-blue);
}
.value-card__icon {
  color: var(--color-accent);
  margin-bottom: var(--space-md);
}
[data-theme="dark"] .value-card__icon {
  color: var(--neon-purple);
}
.value-card__title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 600;
  margin: 0 0 var(--space-sm);
  color: var(--color-text);
}
.value-card__description {
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--color-text-muted);
  margin: 0;
}

.values-principles {
  max-width: 800px;
  margin: 0 auto;
}
.values-principles__title {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 600;
  margin: 0 0 var(--space-lg);
  color: var(--color-text);
  text-align: center;
}
.values-principles__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
  gap: var(--space-md);
}
.principle-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  padding: var(--space-md);
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}
.principle-item__icon {
  color: var(--color-accent);
  flex-shrink: 0;
}
[data-theme="dark"] .principle-item__icon {
  color: var(--neon-blue);
}
.principle-item__title {
  font-weight: 600;
  margin: 0 0 0.25rem;
  color: var(--color-text);
  font-size: 0.95rem;
}
.principle-item__description {
  margin: 0;
  font-size: 0.85rem;
  line-height: 1.5;
  color: var(--color-text-muted);
}

/* ============================================
   Sport Section (Deporte y disciplina)
   ============================================ */

.sport-section {
  padding: var(--space-2xl) 0;
  background: var(--color-bg-alt);
}
.sport-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--space-xl);
  align-items: center;
}
.sport-photo {
  aspect-ratio: 4/3;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 2px solid rgba(0, 212, 255, 0.45);
  box-shadow:
    0 12px 28px rgba(0, 0, 0, 0.25),
    0 0 20px rgba(0, 212, 255, 0.34),
    0 0 48px rgba(124, 58, 237, 0.24);
  transition: transform var(--duration-fast) var(--ease-out),
              box-shadow var(--duration-fast) var(--ease-out);
}
.sport-photo:hover {
  transform: translateY(-2px);
  box-shadow:
    0 16px 34px rgba(0, 0, 0, 0.32),
    0 0 26px rgba(0, 212, 255, 0.46),
    0 0 62px rgba(124, 58, 237, 0.3);
}
.sport-photo img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: center;
}
.sport-content .section-title {
  text-align: left;
}
.sport-lead {
  font-size: 1.15rem;
  color: var(--color-text);
  margin-bottom: var(--space-md);
}
.sport-text {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
}
.sport-text strong {
  color: var(--color-text);
}
.sport-parallels {
  margin-top: var(--space-lg);
  padding: var(--space-md);
  background: var(--color-card-bg);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
}
.sport-parallels__title {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 600;
  margin: 0 0 var(--space-sm);
  color: var(--color-text);
}
.sport-parallels__list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.sport-parallels__list li {
  padding: var(--space-xs) 0;
  font-size: 0.9rem;
  color: var(--color-text-muted);
}
.sport-parallels__list strong {
  color: var(--color-accent);
}
[data-theme="dark"] .sport-parallels__list strong {
  color: var(--neon-blue);
}

@media (max-width: 768px) {
  .sport-grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
  .sport-content .section-title {
    text-align: center;
  }
}

/* ============================================
   Project Card Detailed
   ============================================ */

.project-card--detailed .project-card__content {
  padding: var(--space-lg);
}
.project-card__context {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}
.project-card__context-item {
  padding: var(--space-sm);
  background: var(--color-bg-alt);
  border-radius: var(--radius);
}
[data-theme="dark"] .project-card__context-item {
  background: rgba(255, 255, 255, 0.03);
}
.project-card__context-label {
  display: block;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  margin-bottom: 0.25rem;
}
.project-card__context-item p {
  margin: 0;
  font-size: 0.85rem;
  line-height: 1.5;
  color: var(--color-text);
}
.project-card__context-item--result {
  background: rgba(16, 185, 129, 0.1);
}
.project-card__context-item--result .project-card__context-label {
  color: var(--color-accent-success);
}
[data-theme="dark"] .project-card__context-item--result {
  background: rgba(34, 197, 94, 0.1);
}
[data-theme="dark"] .project-card__context-item--result .project-card__context-label {
  color: var(--neon-green);
}

/* ============================================
   Blog Page
   ============================================ */

.blog-hero {
  padding: var(--space-2xl) 0 var(--space-xl);
  background: var(--color-bg);
  text-align: center;
}
.blog-hero__title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 600;
  margin: 0 0 var(--space-sm);
  color: var(--color-text);
}
.blog-hero__subtitle {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  max-width: 600px;
  margin: 0 auto;
}

.blog-section {
  padding: 0 0 var(--space-2xl);
  background: var(--color-bg);
}
.blog-filters {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-xl);
}
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr));
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
}
.blog-card {
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--transition),
              box-shadow var(--duration-fast) var(--ease-out),
              transform var(--duration-fast) var(--ease-out);
}
.blog-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.08);
}
[data-theme="dark"] .blog-card:hover {
  border-color: var(--neon-blue);
  box-shadow: 0 0 24px rgba(0, 212, 255, 0.15),
              0 12px 32px rgba(0, 0, 0, 0.3);
}
.blog-card__image {
  aspect-ratio: 16/9;
  overflow: hidden;
}
.blog-placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-secondary) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
}
[data-theme="dark"] .blog-placeholder {
  background: linear-gradient(135deg, var(--neon-blue) 0%, var(--neon-purple) 100%);
}
.blog-card__content {
  padding: var(--space-lg);
}
.blog-card__meta {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
}
.blog-card__category {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-accent);
}
[data-theme="dark"] .blog-card__category {
  color: var(--neon-blue);
}
.blog-card__date {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}
.blog-card__title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 600;
  margin: 0 0 var(--space-sm);
  color: var(--color-text);
}
.blog-card__excerpt {
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--color-text-muted);
  margin: 0 0 var(--space-md);
}
.blog-card__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-accent);
}
.blog-card__link svg {
  transition: transform var(--transition);
}
.blog-card__link:hover svg {
  transform: translateX(4px);
}
[data-theme="dark"] .blog-card__link {
  color: var(--neon-blue);
}

.blog-newsletter {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
  padding: var(--space-lg);
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}
.blog-newsletter__content {
  flex: 1;
  min-width: 250px;
}
.blog-newsletter__title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 600;
  margin: 0 0 var(--space-xs);
  color: var(--color-text);
}
.blog-newsletter__description {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin: 0;
}
.blog-newsletter__form {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}
.blog-newsletter__input {
  padding: var(--space-sm) var(--space-md);
  font-family: var(--font-body);
  font-size: 0.95rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-bg);
  color: var(--color-text);
  min-width: 220px;
}
.blog-newsletter__input:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* ============================================
   Article Pages
   ============================================ */

.article-page {
  background: var(--color-bg);
}
.article-hero {
  padding: var(--space-2xl) 0 var(--space-lg);
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}
.article-hero__inner {
  max-width: 860px;
  margin: 0 auto;
}
.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
}
.article-category {
  display: inline-flex;
  align-items: center;
  padding: 0.3rem 0.75rem;
  border-radius: 999px;
  font-size: 0.76rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: rgba(0, 102, 255, 0.1);
  color: var(--color-accent);
}
[data-theme="dark"] .article-category {
  background: rgba(0, 212, 255, 0.12);
  color: var(--neon-blue);
}
.article-readtime {
  display: inline-flex;
  align-items: center;
  padding: 0.3rem 0.75rem;
  border-radius: 999px;
  font-size: 0.8rem;
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
}
.article-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4.2vw, 3.1rem);
  line-height: 1.12;
  margin: 0 0 var(--space-sm);
  color: var(--color-text);
}
.article-subtitle {
  margin: 0;
  font-size: 1.08rem;
  line-height: 1.7;
  color: var(--color-text-muted);
}
.article-layout {
  padding: var(--space-xl) 0 var(--space-2xl);
  background: var(--color-bg);
}
.article-content {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}
.article-callout {
  padding: var(--space-md);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  background: var(--color-bg-alt);
}
.article-callout strong {
  display: block;
  margin-bottom: 0.35rem;
  color: var(--color-text);
}
.article-callout p {
  margin: 0;
  color: var(--color-text-muted);
  line-height: 1.7;
}
.article-section {
  padding: var(--space-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-card-bg);
}
.article-section h2 {
  margin: 0 0 var(--space-sm);
  font-family: var(--font-heading);
  font-size: 1.5rem;
  line-height: 1.25;
  color: var(--color-text);
}
.article-section p {
  margin: 0 0 var(--space-sm);
  font-size: 1rem;
  line-height: 1.75;
  color: var(--color-text-muted);
}
.article-section p:last-child {
  margin-bottom: 0;
}
.article-list {
  margin: 0;
  padding-left: 1.15rem;
  display: grid;
  gap: 0.6rem;
}
.article-list li {
  font-size: 0.98rem;
  line-height: 1.7;
  color: var(--color-text);
}
.article-checklist {
  padding: var(--space-md);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  background: var(--color-bg-alt);
}
.article-checklist h3 {
  margin: 0 0 var(--space-sm);
  font-family: var(--font-heading);
  font-size: 1.25rem;
  color: var(--color-text);
}
.article-checklist ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.55rem;
}
.article-checklist li {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  color: var(--color-text);
  font-size: 0.96rem;
  line-height: 1.65;
}
.article-checklist li::before {
  content: '✓';
  color: var(--color-accent-success);
  font-weight: 700;
  flex-shrink: 0;
}
[data-theme="dark"] .article-checklist li::before {
  color: var(--neon-green);
}
.article-footer-nav {
  margin-top: var(--space-sm);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-sm);
}
.article-footer-nav .btn {
  min-width: 210px;
  text-align: center;
}
.article-cta {
  padding: var(--space-md);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  background: var(--color-card-bg);
}
.article-cta h3 {
  margin: 0 0 0.4rem;
  font-family: var(--font-heading);
  font-size: 1.2rem;
  color: var(--color-text);
}
.article-cta p {
  margin: 0;
  color: var(--color-text-muted);
  line-height: 1.7;
}

@media (max-width: 900px) {
  .article-hero__inner,
  .article-content {
    max-width: 100%;
  }
}

@media (max-width: 768px) {
  .article-hero {
    padding: var(--space-xl) 0 var(--space-md);
  }
  .article-subtitle {
    font-size: 1rem;
  }
  .article-layout {
    padding: var(--space-lg) 0 var(--space-xl);
  }
  .article-section,
  .article-checklist,
  .article-callout,
  .article-cta {
    padding: var(--space-sm);
  }
  .article-section h2 {
    font-size: 1.3rem;
  }
  .article-footer-nav {
    flex-direction: column;
  }
  .article-footer-nav .btn {
    width: 100%;
    min-width: 0;
  }
}

/* ============================================
   Resources Page
   ============================================ */

.resources-hero {
  padding: var(--space-2xl) 0 var(--space-xl);
  background: var(--color-bg);
  text-align: center;
}
.resources-hero__title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 600;
  margin: 0 0 var(--space-sm);
  color: var(--color-text);
}
.resources-hero__subtitle {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  max-width: 600px;
  margin: 0 auto;
}

.resources-section {
  padding: var(--space-2xl) 0;
  background: var(--color-bg);
}
.resources-section--alt {
  background: var(--color-bg-alt);
}
.resources-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr));
  gap: var(--space-lg);
}
.resource-card {
  padding: var(--space-lg);
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  transition: border-color var(--transition),
              box-shadow var(--duration-fast) var(--ease-out),
              transform var(--duration-fast) var(--ease-out);
}
.resource-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.08);
}
[data-theme="dark"] .resource-card:hover {
  border-color: var(--neon-blue);
  box-shadow: 0 0 24px rgba(0, 212, 255, 0.15),
              0 12px 32px rgba(0, 0, 0, 0.3);
}
.resource-card__icon {
  color: var(--color-accent);
  margin-bottom: var(--space-md);
}
[data-theme="dark"] .resource-card__icon {
  color: var(--neon-purple);
}
.resource-card__title {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 600;
  margin: 0 0 var(--space-sm);
  color: var(--color-text);
}
.resource-card__description {
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--color-text-muted);
  margin: 0 0 var(--space-sm);
  flex: 1;
}
.resource-card__format {
  display: inline-block;
  padding: 0.25rem 0.5rem;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  background: var(--color-bg-alt);
  border-radius: 4px;
  margin-bottom: var(--space-md);
}
.resource-card__btn {
  margin-top: auto;
}
.resource-card__btn--disabled {
  pointer-events: none;
  cursor: not-allowed;
  opacity: 0.78;
}

.youtube-section {
  max-width: 800px;
  margin: 0 auto;
}
.youtube-placeholder {
  padding: var(--space-xl);
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  text-align: center;
}
.youtube-placeholder__icon {
  color: var(--color-accent);
  margin-bottom: var(--space-md);
}
[data-theme="dark"] .youtube-placeholder__icon {
  color: var(--neon-blue);
}
.youtube-placeholder__title {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 600;
  margin: 0 0 var(--space-sm);
  color: var(--color-text);
}
.youtube-placeholder__description {
  font-size: 1rem;
  color: var(--color-text-muted);
  margin: 0 0 var(--space-lg);
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

/* ============================================
   Certificates Page Enhanced
   ============================================ */

.cert-hero {
  padding: var(--space-2xl) 0 var(--space-xl);
  background: var(--color-bg);
  text-align: center;
}
.cert-hero__title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 600;
  margin: 0 0 var(--space-sm);
  color: var(--color-text);
}
.cert-hero__subtitle {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  max-width: 600px;
  margin: 0 auto;
}

.cert-summary-section {
  padding: var(--space-lg) 0;
  background: var(--color-bg);
}
.cert-summary {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-lg);
  flex-wrap: wrap;
  padding: var(--space-lg);
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-md);
}
.cert-summary__stat {
  text-align: center;
}
.cert-summary__number {
  display: block;
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
}
[data-theme="dark"] .cert-summary__number {
  color: var(--neon-blue);
  text-shadow: 0 0 20px rgba(0, 212, 255, 0.5);
}
.cert-summary__label {
  font-size: 0.9rem;
  color: var(--color-text-muted);
}
.cert-summary__divider {
  width: 1px;
  height: 60px;
  background: var(--color-border);
}
.cert-summary__platforms {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  justify-content: center;
}
.cert-summary__platform {
  padding: 0.35rem 0.75rem;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-text);
  background: var(--color-bg-alt);
  border-radius: 20px;
}
.cert-summary__note {
  text-align: center;
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin: 0;
}

.cert-filters {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}
.cert-section-title {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 600;
  margin: 0 0 var(--space-lg);
  color: var(--color-text);
  text-align: center;
}

.cert-card h3 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 600;
  margin: var(--space-md) var(--space-md) var(--space-xs);
  color: var(--color-text);
}
.cert-card__issuer {
  margin: 0 var(--space-md);
  font-size: 0.85rem;
  color: var(--color-text-muted);
}
.cert-card__year {
  margin: 0 var(--space-md) var(--space-sm);
  font-size: 0.8rem;
  color: var(--color-text-muted);
}
.cert-card__link {
  display: block;
  margin: 0 var(--space-md) var(--space-md);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-accent);
}
[data-theme="dark"] .cert-card__link {
  color: var(--neon-blue);
}

.cert-accordion {
  max-width: 600px;
  margin: var(--space-xl) auto 0;
}
.cert-accordion__toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  width: 100%;
  padding: var(--space-md);
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-text);
  transition: border-color var(--transition);
}
.cert-accordion__toggle:hover {
  border-color: var(--color-accent);
}
[data-theme="dark"] .cert-accordion__toggle:hover {
  border-color: var(--neon-blue);
}
.cert-accordion__icon {
  transition: transform var(--transition);
}
.cert-accordion__toggle[aria-expanded="true"] .cert-accordion__icon {
  transform: rotate(180deg);
}
.cert-accordion__content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
}
.cert-accordion__content.is-open {
  max-height: 300px;
  padding: var(--space-md);
}
.cert-accordion__description {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  margin: 0 0 var(--space-md);
  text-align: center;
}
.cert-accordion__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  justify-content: center;
}

/* ============================================
   Contact Page Enhanced
   ============================================ */

.contact-hero {
  padding: var(--space-2xl) 0 var(--space-xl);
  background: var(--color-bg);
  text-align: center;
}
.contact-hero__title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 600;
  margin: 0 0 var(--space-sm);
  color: var(--color-text);
}
.contact-hero__subtitle {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  max-width: 600px;
  margin: 0 auto;
}

.contact-main-section {
  padding: 0 0 var(--space-2xl);
  background: var(--color-bg);
}
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: start;
}

@media (max-width: 900px) {
  .contact-grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
}

.contact-form-wrapper {
  padding: var(--space-xl);
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}
.contact-form__title {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 600;
  margin: 0 0 var(--space-lg);
  color: var(--color-text);
}
.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}
.form-label {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text);
}
.form-input {
  padding: var(--space-sm) var(--space-md);
  font-family: var(--font-body);
  font-size: 0.95rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-bg);
  color: var(--color-text);
  transition: border-color var(--transition);
}
.form-input:focus {
  outline: none;
  border-color: var(--color-accent);
}
[data-theme="dark"] .form-input:focus {
  border-color: var(--neon-blue);
}
.form-select {
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  padding-right: 2.75rem;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23a7b0c0' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.95rem center;
  background-size: 0.9rem;
}
.form-textarea {
  resize: vertical;
  min-height: 120px;
}
.btn-full {
  width: 100%;
}
.form-note {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  text-align: center;
  margin: var(--space-sm) 0 0;
}
.form-note a {
  font-weight: 600;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}
.contact-info__section {
  padding: var(--space-lg);
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}
.contact-info__section--note {
  background: var(--color-bg-alt);
}
.contact-info__title {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 600;
  margin: 0 0 var(--space-sm);
  color: var(--color-text);
}
.contact-info__description {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin: 0 0 var(--space-md);
  line-height: 1.6;
}

.contact-social-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}
.contact-social-link {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text);
  border-radius: var(--radius);
  transition: background var(--transition), color var(--transition);
}
.contact-social-link:hover {
  background: var(--color-bg-alt);
  color: var(--color-accent);
}
[data-theme="dark"] .contact-social-link:hover {
  color: var(--neon-blue);
}
.contact-social-link svg {
  flex-shrink: 0;
}

.contact-info__location {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 1rem;
  color: var(--color-text);
  margin: 0 0 var(--space-xs);
}
.contact-info__timezone {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin: 0;
}

.contact-info__response-times {
  list-style: none;
  margin: 0;
  padding: 0;
}
.contact-info__response-times li {
  padding: var(--space-xs) 0;
  font-size: 0.9rem;
  color: var(--color-text-muted);
}
.contact-info__response-times strong {
  color: var(--color-text);
}

/* ============================================
   Footer Enhanced
   ============================================ */

.footer-enhanced {
  padding: var(--space-xl) 0 var(--space-lg);
  border-top: 1px solid var(--color-border);
  background: var(--color-bg);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-xl);
  margin-bottom: var(--space-lg);
}

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
  }
}

@media (max-width: 480px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

.footer-column {}
.footer-brand {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-sm);
}
.footer-bio {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  margin: 0;
}
.footer-heading {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text);
  margin: 0 0 var(--space-sm);
}
.footer-links {
  list-style: none;
  margin: 0;
  padding: 0;
}
.footer-links li {
  margin-bottom: var(--space-xs);
}
.footer-links a {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  transition: color var(--transition);
}
.footer-links a:hover {
  color: var(--color-accent);
}
[data-theme="dark"] .footer-links a:hover {
  color: var(--neon-blue);
}

.footer-social {
  display: flex;
  gap: var(--space-sm);
  margin-top: var(--space-sm);
}
.footer-social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-bg-alt);
  color: var(--color-text-muted);
  transition: background var(--transition), color var(--transition);
}
.footer-social a:hover {
  background: var(--color-accent);
  color: white;
}
[data-theme="dark"] .footer-social a:hover {
  background: var(--neon-blue);
  color: #0a0a0f;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-sm);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-border);
}
.footer-copyright {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin: 0;
}
.footer-legal {
  display: flex;
  gap: var(--space-md);
}
.footer-legal a {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}
.footer-legal a:hover {
  color: var(--color-accent);
}

/* ============================================
   Page Section utility
   ============================================ */

.page-section {
  padding: var(--space-2xl) 0;
}

/* ============================================
   Legal Pages
   ============================================ */

.legal-hero {
  position: relative;
  padding: var(--space-2xl) 0 var(--space-xl);
  overflow: hidden;
  background: linear-gradient(120deg, rgba(0, 102, 255, 0.08), transparent 55%), var(--color-bg);
}
[data-theme="dark"] .legal-hero {
  background: linear-gradient(120deg, rgba(0, 212, 255, 0.1), transparent 60%), var(--color-bg);
}

.legal-hero__content {
  position: relative;
  z-index: 2;
  max-width: 760px;
}

.legal-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 0.9rem;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  background: var(--color-bg-alt);
  color: var(--color-text-muted);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}
[data-theme="dark"] .legal-chip {
  background: rgba(255, 255, 255, 0.06);
  border-color: #2a2a3a;
}

.legal-hero__title {
  font-family: var(--font-heading);
  font-size: clamp(2.4rem, 5vw, 4rem);
  margin: var(--space-sm) 0;
  color: var(--color-text);
}

.legal-hero__subtitle {
  font-size: 1.05rem;
  max-width: 650px;
  color: var(--color-text-muted);
  margin: 0 0 var(--space-md);
}

.legal-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.legal-hero__meta a {
  color: var(--color-text);
  font-weight: 600;
}

[data-theme="dark"] .legal-hero__meta a {
  color: var(--neon-blue);
}

.legal-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-top: var(--space-md);
}

.legal-hero__ornament {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.legal-orb {
  position: absolute;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  right: -120px;
  top: -140px;
  background: radial-gradient(circle at 30% 30%, rgba(0, 102, 255, 0.35), rgba(124, 58, 237, 0.1) 60%, transparent 70%);
  opacity: 0.85;
}

.legal-orb--small {
  width: 160px;
  height: 160px;
  right: 20%;
  top: 40%;
  background: radial-gradient(circle at 30% 30%, rgba(245, 158, 11, 0.35), rgba(0, 0, 0, 0) 70%);
  opacity: 0.75;
}

.legal-orb--amber {
  background: radial-gradient(circle at 30% 30%, rgba(245, 158, 11, 0.4), rgba(124, 58, 237, 0.12) 60%, transparent 70%);
}

[data-theme="dark"] .legal-orb {
  background: radial-gradient(circle at 30% 30%, rgba(0, 212, 255, 0.5), rgba(168, 85, 247, 0.2) 60%, transparent 70%);
}

[data-theme="dark"] .legal-orb--small {
  background: radial-gradient(circle at 30% 30%, rgba(251, 191, 36, 0.35), transparent 70%);
}

[data-theme="dark"] .legal-orb--amber {
  background: radial-gradient(circle at 30% 30%, rgba(251, 191, 36, 0.45), rgba(0, 212, 255, 0.15) 60%, transparent 70%);
}

.legal-curve {
  position: absolute;
  left: -120px;
  bottom: -80px;
  width: 420px;
  height: 260px;
  border-radius: 60% 40% 60% 40%;
  border: 1px solid rgba(0, 102, 255, 0.3);
  transform: rotate(-8deg);
}

[data-theme="dark"] .legal-curve {
  border-color: rgba(0, 212, 255, 0.3);
}

.legal-content {
  padding: var(--space-xl) 0 var(--space-2xl);
}

.legal-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 2.1fr);
  gap: var(--space-xl);
  align-items: start;
}

@media (max-width: 980px) {
  .legal-layout {
    grid-template-columns: 1fr;
  }
}

.legal-card {
  position: relative;
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(var(--color-card-bg), var(--color-card-bg)) padding-box,
    linear-gradient(135deg, rgba(0, 102, 255, 0.5), rgba(124, 58, 237, 0.5)) border-box;
  border: 1px solid transparent;
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.08);
}

[data-theme="dark"] .legal-card {
  background:
    linear-gradient(var(--color-card-bg), var(--color-card-bg)) padding-box,
    linear-gradient(135deg, rgba(0, 212, 255, 0.6), rgba(168, 85, 247, 0.6), rgba(251, 191, 36, 0.4)) border-box;
  box-shadow: 0 18px 55px rgba(0, 0, 0, 0.4);
}

.legal-card--summary {
  position: sticky;
  top: 110px;
}

@media (max-width: 980px) {
  .legal-card--summary {
    position: static;
  }
}

.legal-card__title {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  margin: 0 0 var(--space-md);
}

.legal-card__subtitle {
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin: 0 0 var(--space-xs);
  color: var(--color-text-muted);
}

.legal-card__text {
  margin: 0 0 var(--space-sm);
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

.legal-link {
  color: var(--color-accent);
  font-weight: 600;
}

[data-theme="dark"] .legal-link {
  color: var(--neon-blue);
}

.legal-list {
  list-style: none;
  margin: 0 0 var(--space-md);
  padding: 0;
  display: grid;
  gap: var(--space-xs);
}

.legal-list li {
  position: relative;
  padding-left: 1.4rem;
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

.legal-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55rem;
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 10px rgba(0, 102, 255, 0.2);
}

[data-theme="dark"] .legal-list li::before {
  background: var(--neon-blue);
  box-shadow: 0 0 12px rgba(0, 212, 255, 0.4);
}

.legal-divider {
  height: 1px;
  background: var(--color-border);
  margin: var(--space-md) 0;
}

.legal-body {
  display: grid;
  gap: var(--space-lg);
}

.legal-section {
  background: var(--color-card-bg);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  border: 1px solid var(--color-border);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.04);
}

[data-theme="dark"] .legal-section {
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.35);
  border-color: #242434;
}

.legal-section h2 {
  margin-top: 0;
  font-family: var(--font-heading);
  font-size: 1.5rem;
}

.legal-section p {
  margin: 0 0 var(--space-sm);
  color: var(--color-text-muted);
}

.legal-section a {
  font-weight: 600;
}

.legal-section .legal-list {
  margin-bottom: 0;
}

.legal-note {
  margin-top: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius);
  background: var(--color-bg-alt);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

[data-theme="dark"] .legal-note {
  background: rgba(255, 255, 255, 0.04);
  border-color: #2a2a3a;
  color: var(--color-text);
}

.legal-cta {
  padding: var(--space-xl) 0;
  background: var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
}

[data-theme="dark"] .legal-cta {
  background: #0f111a;
}

.legal-cta__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.legal-cta__title {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  margin: 0 0 var(--space-xs);
}

.legal-cta__text {
  margin: 0;
  color: var(--color-text-muted);
}

.footer-legal a[aria-current="page"] {
  color: var(--color-accent);
  font-weight: 600;
}

[data-theme="dark"] .footer-legal a[aria-current="page"] {
  color: var(--neon-blue);
}

[data-theme="dark"] .footer-legal a:hover {
  color: var(--neon-blue);
}