/* ========================================
   VARIABLES & THÈME
======================================== */

:root {
  /* Couleurs - Mode Clair */
  --bg-primary: #ffffff;
  --bg-secondary: #f8f9fa;
  --bg-tertiary: #e9ecef;
  --text-primary: #212529;
  --text-secondary: #6c757d;
  --text-muted: #adb5bd;
  --accent-primary: #6366f1;
  --accent-secondary: #8b5cf6;
  --accent-glow: rgba(99, 102, 241, 0.3);
  --border-color: #dee2e6;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.16);
  --shadow-glow: 0 0 30px var(--accent-glow);
  --card-bg: #ffffff;
  --nav-bg: rgba(255, 255, 255, 0.95);
}

[data-theme="dark"] {
  /* Couleurs - Mode Sombre */
  --bg-primary: #0a0a0a;
  --bg-secondary: #111111;
  --bg-tertiary: #1a1a1a;
  --text-primary: #f0f0f0;
  --text-secondary: #a0a0a0;
  --text-muted: #6b6b6b;
  --accent-primary: #818cf8;
  --accent-secondary: #a78bfa;
  --accent-glow: rgba(129, 140, 248, 0.4);
  --border-color: #2a2a2a;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.8);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.9);
  --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.95);
  --shadow-glow: 0 0 50px var(--accent-glow);
  --card-bg: #141414;
  --nav-bg: rgba(10, 10, 10, 0.95);
}

/* ========================================
   RESET & BASE
======================================== */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

/* ========================================
   BACKGROUNDS AMÉLIORÉS
======================================== */

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-primary);
  background: var(--bg-primary);
  transition: background 0.3s ease, color 0.3s ease;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  position: relative;
  overflow-x: hidden;
}

[data-theme="dark"] body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    radial-gradient(circle at 10% 20%, rgba(129, 140, 248, 0.15) 0%, transparent 40%),
    radial-gradient(circle at 90% 30%, rgba(167, 139, 250, 0.12) 0%, transparent 45%),
    radial-gradient(circle at 30% 80%, rgba(99, 102, 241, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 90%, rgba(139, 92, 246, 0.08) 0%, transparent 40%);
  pointer-events: none;
  z-index: 0;
  animation: gradientFloat 15s ease-in-out infinite;
}

[data-theme="dark"] body::after {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    linear-gradient(rgba(129, 140, 248, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(129, 140, 248, 0.03) 1px, transparent 1px);
  background-size: 50px 50px;
  pointer-events: none;
  z-index: 0;
  opacity: 0.5;
  animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
  0% { transform: translate(0, 0); }
  100% { transform: translate(50px, 50px); }
}

:root:not([data-theme="dark"]) body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    radial-gradient(circle at 20% 30%, rgba(99, 102, 241, 0.08) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(139, 92, 246, 0.06) 0%, transparent 45%),
    radial-gradient(circle at 40% 70%, rgba(236, 72, 153, 0.05) 0%, transparent 50%),
    radial-gradient(circle at 70% 80%, rgba(99, 102, 241, 0.04) 0%, transparent 40%);
  pointer-events: none;
  z-index: 0;
  animation: gradientFloatLight 20s ease-in-out infinite;
}

:root:not([data-theme="dark"]) body::after {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    radial-gradient(circle, rgba(99, 102, 241, 0.08) 1px, transparent 1px);
  background-size: 30px 30px;
  pointer-events: none;
  z-index: 0;
  opacity: 0.4;
  animation: dotsFloat 25s ease-in-out infinite;
}

@keyframes gradientFloat {
  0%, 100% {
    filter: blur(60px);
    transform: scale(1);
  }
  50% {
    filter: blur(80px);
    transform: scale(1.1);
  }
}

@keyframes gradientFloatLight {
  0%, 100% {
    filter: blur(50px);
    transform: scale(1) rotate(0deg);
  }
  50% {
    filter: blur(70px);
    transform: scale(1.05) rotate(5deg);
  }
}

@keyframes dotsFloat {
  0%, 100% {
    transform: translate(0, 0);
    opacity: 0.4;
  }
  50% {
    transform: translate(15px, 15px);
    opacity: 0.6;
  }
}

::selection {
  background: var(--accent-primary);
  color: white;
}

/* ========================================
   HEADER & NAVIGATION
======================================== */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--nav-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  transition: all 0.3s ease;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 2rem;
  max-width: 1400px;
  margin: 0 auto;
}

.brand {
  font-size: 1.75rem;
  font-weight: 900;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-decoration: none;
  transition: transform 0.3s ease;
  z-index: 1001;
  position: relative;
}

.brand:hover {
  transform: scale(1.05);
}

.site-nav {
  display: flex;
  gap: 2.5rem;
  align-items: center;
}

.site-nav a {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  transition: color 0.3s ease;
  position: relative;
  padding-bottom: 4px;
}

.site-nav a::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-primary);
  transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.site-nav a:hover {
  color: var(--text-primary);
}

.site-nav a:hover::before {
  width: 100%;
}

.theme-toggle {
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  border: none;
  border-radius: 50%;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  margin-left: 1.5rem;
  position: relative;
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  flex-shrink: 0;
}

.theme-toggle::before {
  content: '';
  position: absolute;
  inset: 0;
  background: white;
  opacity: 0;
  transition: opacity 0.4s ease;
  border-radius: 50%;
}

.theme-toggle:hover {
  transform: scale(1.15) rotate(180deg);
  box-shadow: var(--shadow-glow);
}

.theme-toggle:hover::before {
  opacity: 0.2;
}

.theme-toggle svg {
  width: 20px;
  height: 20px;
  transition: transform 0.4s ease;
  position: relative;
  z-index: 1;
  color: white;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.3));
}

.theme-toggle:hover svg {
  transform: scale(1.1);
}

[data-theme="dark"] .theme-toggle svg {
  animation: rotateIcon 20s linear infinite;
}

@keyframes rotateIcon {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  z-index: 1001;
  padding: 0.5rem;
  position: relative;
}

.nav-toggle .nav-bar {
  width: 25px;
  height: 3px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all 0.3s ease;
}

/* ========================================
   CONTAINER & SECTIONS
======================================== */

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
  position: relative;
  z-index: 1;
}

.section {
  padding: 6rem 0;
  position: relative;
  z-index: 1;
  background: transparent !important;
  border: none !important;
}

.section::before,
.section::after {
  display: none !important;
}

.section-head {
  text-align: center;
  margin-bottom: 4rem;
}

.section-head h2 {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.eyebrow {
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--accent-primary);
  margin-bottom: 1rem;
}

.muted {
  color: var(--text-secondary);
  font-size: 1.125rem;
}

/* ========================================
   HERO SECTION
======================================== */

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding-top: 100px;
  position: relative;
  overflow: hidden;
  background: transparent !important;
}

[data-theme="dark"] .hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: 
    conic-gradient(from 0deg at 50% 50%,
      transparent 0deg,
      rgba(129, 140, 248, 0.15) 90deg,
      rgba(167, 139, 250, 0.1) 180deg,
      rgba(99, 102, 241, 0.08) 270deg,
      transparent 360deg
    );
  animation: rotateLight 20s linear infinite;
  filter: blur(80px);
  opacity: 0.6;
}

@keyframes rotateLight {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

:root:not([data-theme="dark"]) .hero::before {
  content: '';
  position: absolute;
  top: -30%;
  left: -30%;
  width: 160%;
  height: 160%;
  background: 
    radial-gradient(circle at 30% 30%, rgba(99, 102, 241, 0.12) 0%, transparent 40%),
    radial-gradient(circle at 70% 60%, rgba(139, 92, 246, 0.08) 0%, transparent 40%);
  animation: lightPulse 15s ease-in-out infinite;
  filter: blur(50px);
  opacity: 0.5;
}

@keyframes lightPulse {
  0%, 100% {
    opacity: 0.4;
    transform: scale(1);
  }
  50% {
    opacity: 0.6;
    transform: scale(1.05);
  }
}

.hero .container {
  position: relative;
  z-index: 1;
}

.hero .title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 900;
  line-height: 1.2;
  margin-bottom: 1.5rem;
  letter-spacing: -0.03em;
  position: relative;
  z-index: 1;
}

.hero .accent {
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero .subtitle {
  font-size: clamp(1.125rem, 2.5vw, 1.5rem);
  color: var(--text-secondary);
  max-width: 750px;
  margin: 0 auto 3rem;
  line-height: 1.8;
  position: relative;
  z-index: 1;
}

.hero .eyebrow {
  color: var(--accent-primary);
  position: relative;
  z-index: 1;
}

.cta {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  flex-wrap: wrap;
  position: relative;
  z-index: 1;
}

/* ========================================
   BOUTONS
======================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 1rem 2.5rem;
  font-size: 1.05rem;
  font-weight: 700;
  text-decoration: none;
  border-radius: 12px;
  transition: all 0.3s ease;
  cursor: pointer;
  border: none;
  font-family: inherit;
  position: relative;
  overflow: hidden;
}

.btn::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.btn:hover::after {
  width: 300px;
  height: 300px;
}

.btn.primary {
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  color: white;
  box-shadow: var(--shadow-md);
}

.btn.primary:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.btn.ghost {
  background: transparent;
  color: var(--text-primary);
  border: 2px solid var(--border-color);
}

.btn.ghost:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
  transform: translateY(-3px);
}

/* ========================================
   GRID & CARDS
======================================== */

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2.5rem;
}

.card {
  border-radius: 16px;
  overflow: hidden;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  border: 1px solid var(--border-color);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

[data-theme="dark"] .card {
  background: rgba(20, 20, 20, 0.6);
  box-shadow: 
    0 8px 32px rgba(0, 0, 0, 0.4),
    inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

:root:not([data-theme="dark"]) .card {
  background: rgba(255, 255, 255, 0.8);
  box-shadow: 
    0 8px 32px rgba(0, 0, 0, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 0.9);
}

.card:hover {
  transform: translateY(-12px) scale(1.02);
  z-index: 10;
  border-color: var(--accent-primary);
}

.card-link {
  text-decoration: none;
  color: inherit;
  display: block;
}

.card-media {
  width: 100%;
  height: 220px;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  background-size: cover;
  background-position: center;
}

.card-body {
  padding: 2rem;
}

.card-body h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.card-body p {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  line-height: 1.7;
}

.pill {
  display: inline-block;
  padding: 0.4rem 1rem;
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  border-radius: 25px;
  font-size: 0.8rem;
  font-weight: 700;
  margin-right: 0.5rem;
  margin-top: 0.5rem;
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
}

.pill:hover {
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  color: white;
  border-color: transparent;
}

/* ========================================
   COMPÉTENCES - GRILLE 2 COLONNES
======================================== */

.skills-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.skill {
  padding: 1.75rem;
  border-radius: 16px;
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
  position: relative;
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
  min-height: 120px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

[data-theme="dark"] .skill {
  background: rgba(20, 20, 20, 0.5);
  box-shadow: 
    0 4px 20px rgba(0, 0, 0, 0.4),
    inset 0 1px 0 rgba(255, 255, 255, 0.03);
}

:root:not([data-theme="dark"]) .skill {
  background: rgba(255, 255, 255, 0.7);
  box-shadow: 
    0 4px 20px rgba(0, 0, 0, 0.08),
    inset 0 1px 0 rgba(255, 255, 255, 0.9);
}

.skill::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 0;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  transition: height 0.5s ease;
}

.skill:hover {
  transform: translateX(8px);
  box-shadow: var(--shadow-md);
}

.skill:hover::before {
  height: 100%;
}

.skill-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
  gap: 0.75rem;
}

.skill-name {
  font-weight: 700;
  font-size: 1rem;
  color: var(--text-primary);
  line-height: 1.3;
  flex: 1;
}

.skill-value {
  font-weight: 900;
  font-size: 1.5rem;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  flex-shrink: 0;
}

.skill-bar {
  height: 10px;
  background: var(--bg-tertiary);
  border-radius: 10px;
  overflow: hidden;
}

.skill-fill {
  height: 100%;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  border-radius: 10px;
  transition: width 1.5s ease;
}

.skill:hover .skill-fill {
  animation: shimmer 1.5s ease-in-out infinite;
}

@keyframes shimmer {
  0%, 100% {
    filter: brightness(1);
  }
  50% {
    filter: brightness(1.3);
  }
}

/* ========================================
   À PROPOS
======================================== */

.about {
  position: relative;
  background: transparent !important;
}

.about-content {
  max-width: 900px;
  margin: 0 auto;
  padding: 3rem;
  border-radius: 24px;
  border: 1px solid var(--border-color);
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
}

[data-theme="dark"] .about-content {
  background: rgba(20, 20, 20, 0.7);
  box-shadow: 
    0 8px 40px rgba(0, 0, 0, 0.6),
    inset 0 1px 0 rgba(255, 255, 255, 0.05),
    0 0 60px rgba(129, 140, 248, 0.1);
}

:root:not([data-theme="dark"]) .about-content {
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 
    0 8px 40px rgba(0, 0, 0, 0.12),
    inset 0 1px 0 rgba(255, 255, 255, 1),
    0 0 40px rgba(99, 102, 241, 0.05);
}

.about-content p {
  font-size: 1.25rem;
  line-height: 2;
  margin-bottom: 2.5rem;
  color: var(--text-secondary);
}

.about-content strong {
  color: var(--text-primary);
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  list-style: none;
  justify-content: center;
}

.tags li {
  padding: 0.75rem 1.75rem;
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border-radius: 30px;
  font-weight: 700;
  font-size: 1rem;
  transition: all 0.3s ease;
  border: 2px solid var(--border-color);
  cursor: default;
  position: relative;
  overflow: hidden;
}

.tags li::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(
    45deg,
    transparent 30%,
    rgba(255, 255, 255, 0.1) 50%,
    transparent 70%
  );
  transform: rotate(45deg);
  animation: shine 3s ease-in-out infinite;
}

@keyframes shine {
  0%, 100% { transform: translateX(-100%) rotate(45deg); }
  50% { transform: translateX(100%) rotate(45deg); }
}

.tags li:hover {
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  color: white !important;
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
  border-color: transparent;
}

/* ========================================
   TIMELINE
======================================== */

.timeline {
  position: relative;
  padding-left: 3rem;
  max-width: 900px;
  margin: 0 auto;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  border-radius: 2px;
}

.timeline-item {
  position: relative;
  padding-bottom: 3rem;
  padding-left: 2.5rem;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -3rem;
  top: 8px;
  width: 16px;
  height: 16px;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  border-radius: 50%;
  border: 4px solid var(--bg-primary);
  box-shadow: var(--shadow-glow);
}

.timeline-meta {
  font-size: 0.95rem;
  color: var(--accent-primary);
  margin-bottom: 0.75rem;
  font-weight: 700;
}

.timeline-title {
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
}

/* ========================================
   CONTACT
======================================== */

.contact {
  position: relative;
  background: transparent !important;
}

.contact-actions {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  flex-wrap: wrap;
}

.contact-actions .btn {
  display: inline-flex !important;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  padding: 0;
}

.contact-actions .btn svg {
  width: 24px;
  height: 24px;
  margin: 0;
  flex-shrink: 0;
}

/* ========================================
   FOOTER
======================================== */

.site-footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 3rem 0;
  text-align: center;
  color: var(--text-secondary);
}

.site-footer p {
  margin: 0;
}

.heart-link {
  color: inherit;
  text-decoration: none;
  display: inline;
  cursor: default;
  transition: none !important;
  animation: none !important;
}

.heart-link:hover {
  color: inherit;
  cursor: default;
  transform: none !important;
  filter: none !important;
  animation: none !important;
}

/* ========================================
   EFFET DE CURSEUR INTERACTIF
======================================== */

#cursor-glow {
  position: fixed;
  width: 400px;
  height: 400px;
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  opacity: 0.4;
}

[data-theme="dark"] #cursor-glow {
  background: radial-gradient(circle, rgba(129, 140, 248, 0.15) 0%, transparent 70%);
  filter: blur(60px);
}

[data-theme="light"] #cursor-glow,
:root:not([data-theme]) #cursor-glow {
  background: radial-gradient(circle, rgba(99, 102, 241, 0.08) 0%, transparent 70%);
  filter: blur(50px);
}

#cursor-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 9998;
}

/* ========================================
   ANIMATIONS
======================================== */

.site-nav a:hover:not(.heart-link),
.btn:hover {
  animation: gentleGlow 2s ease-in-out infinite;
}

@keyframes gentleGlow {
  0%, 100% {
    filter: brightness(1);
  }
  50% {
    filter: brightness(1.1);
  }
}

.section-head h2 {
  transition: filter 0.3s ease;
}

.section:hover .section-head h2 {
  filter: drop-shadow(0 0 20px var(--accent-glow));
}

[data-reveal] {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

.hero,
.projects,
.skills,
.about,
.experience,
.education,
.contact {
  background: transparent !important;
  border-top: none !important;
  border-bottom: none !important;
}

section {
  border: none !important;
  box-shadow: none !important;
}

/* ========================================
   RESPONSIVE - MOBILE & TABLETTE
======================================== */

/* TABLETTE (768px - 1024px) */
@media (max-width: 1024px) {
  .container {
    padding: 0 1.5rem;
  }
  
  .section {
    padding: 4rem 0;
  }
  
  .grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
  }
  
  .skills-grid {
    grid-template-columns: 1fr;
  }
  
  .hero .title {
    font-size: clamp(2rem, 5vw, 3rem);
  }
  
  .hero .subtitle {
    font-size: clamp(1rem, 2.5vw, 1.25rem);
  }
  
  /* CARROUSEL PROJETS - TABLETTE */
  .projects .container {
    padding: 0;
  }
  
  .projects .grid {
    display: flex;
    overflow-x: auto;
    overflow-y: hidden;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    gap: 1.5rem;
    padding: 0 1.5rem 1.5rem;
  }
  
  .projects .grid::-webkit-scrollbar {
    display: none;
  }
  
  .projects .card {
    flex: 0 0 320px;
    scroll-snap-align: center;
  }
}

/* MOBILE (max 768px) */
@media (max-width: 768px) {
  .site-header {
    padding: 0.75rem 0;
  }
  
  .header-inner {
    padding: 1rem 1.5rem;
  }
  
  .nav-toggle {
    display: flex;
  }
  
  .site-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--nav-bg);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 6rem 2rem 2rem;
    gap: 2rem;
    transition: right 0.3s ease;
    box-shadow: -5px 0 20px rgba(0, 0, 0, 0.3);
    z-index: 999;
  }
  
  .site-nav.is-open {
    right: 0;
  }
  
  .site-nav.is-open::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 280px;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: -1;
    animation: fadeIn 0.3s ease;
  }
  
  @keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
  }
  
  .nav-toggle[aria-expanded="true"] .nav-bar:nth-child(1) {
    transform: rotate(45deg) translate(7px, 7px);
  }
  
  .nav-toggle[aria-expanded="true"] .nav-bar:nth-child(2) {
    opacity: 0;
  }
  
  .nav-toggle[aria-expanded="true"] .nav-bar:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
  }
  
  .theme-toggle {
    position: relative;
    margin-left: 0;
    margin-top: auto;
  }
  
  .section {
    padding: 3rem 0;
  }
  
  .container {
    padding: 0 1.5rem;
    max-width: 100%;
  }
  
  .section-head {
    margin-bottom: 2.5rem;
  }
  
  .section-head h2 {
    font-size: clamp(1.5rem, 5vw, 2rem);
  }
  
  .hero {
    min-height: 80vh;
    padding: 100px 1.5rem 2rem;
  }
  
  .hero .container {
    max-width: 100%;
    padding: 0;
  }
  
  .hero .title {
    font-size: 1.75rem;
    margin-bottom: 1.5rem;
    line-height: 1.3;
    word-break: break-word;
    overflow-wrap: break-word;
    hyphens: auto;
    max-width: 100%;
  }
  
  .hero .subtitle {
    font-size: 1rem;
    margin-bottom: 2rem;
    line-height: 1.65;
    max-width: 100%;
  }
  
  .hero .eyebrow {
    font-size: 0.75rem;
  }
  
  .cta {
    flex-direction: column;
    gap: 1rem;
    width: 100%;
  }
  
  .btn {
    width: 100%;
    padding: 0.875rem 2rem;
    font-size: 1rem;
  }
  
  /* CARROUSEL PROJETS - MOBILE */
  .projects .container {
    padding: 0;
  }
  
  .projects .section-head {
    padding: 0 1.5rem;
  }
  
  .grid {
    display: flex;
    overflow-x: auto;
    overflow-y: hidden;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    gap: 1.25rem;
    padding: 0 1.5rem 1.5rem;
  }
  
  .grid::-webkit-scrollbar {
    display: none;
  }
  
  .card {
    flex: 0 0 min(85vw, 320px);
    scroll-snap-align: center;
    transform: none !important;
  }
  
  .card:hover {
    transform: scale(1.02) !important;
  }
  
  .card-body {
    padding: 1.5rem;
  }
  
  .card-body h3 {
    font-size: 1.25rem;
  }
  
  /* COMPÉTENCES MOBILE - 1 COLONNE */
  .skills-grid {
    gap: 1.25rem;
    grid-template-columns: 1fr;
  }
  
  .skill {
    padding: 1.5rem;
    min-height: auto;
  }
  
  .skill-header {
    flex-wrap: nowrap;
    gap: 0.5rem;
    margin-bottom: 0.875rem;
  }
  
  .skill-name {
    font-size: 0.95rem;
    line-height: 1.25;
  }
  
  .skill-value {
    font-size: 1.25rem;
  }
  
  .skill-bar {
    height: 8px;
  }
  
  .about-content {
    padding: 2rem 1.5rem;
  }
  
  .about-content p {
    font-size: 1.05rem;
    line-height: 1.8;
  }
  
  .tags {
    gap: 0.75rem;
  }
  
  .tags li {
    padding: 0.6rem 1.25rem;
    font-size: 0.9rem;
  }
  
  .timeline {
    padding-left: 2rem;
  }
  
  .timeline-item {
    padding-left: 2rem;
    padding-bottom: 2rem;
  }
  
  .timeline-title {
    font-size: 1.25rem;
  }
  
  .contact-actions {
    flex-direction: row;
    justify-content: center;
    gap: 1rem;
  }
  
  .contact-actions .btn {
    width: 56px;
    height: 56px;
  }
  
  .site-footer {
    padding: 2rem 0;
    font-size: 0.9rem;
  }
  
  #cursor-glow,
  #cursor-canvas {
    display: none !important;
  }
  
  [data-theme="dark"] body::before,
  [data-theme="dark"] body::after,
  :root:not([data-theme="dark"]) body::before,
  :root:not([data-theme="dark"]) body::after {
    animation: none;
    filter: blur(30px);
  }
}

/* PETIT MOBILE (max 480px) */
@media (max-width: 480px) {
  .header-inner {
    padding: 1rem;
  }
  
  .brand {
    font-size: 1.4rem;
  }
  
  .section {
    padding: 2.5rem 0;
  }
  
  .section-head h2 {
    font-size: 1.4rem;
  }
  
  .hero {
    padding: 90px 1rem 2rem;
  }
  
  .hero .title {
    font-size: 1.5rem;
    line-height: 1.3;
  }
  
  .hero .subtitle {
    font-size: 0.95rem;
    line-height: 1.6;
  }
  
  .card {
    flex: 0 0 min(90vw, 300px);
  }
  
  .skill {
    padding: 1.25rem;
  }
  
  .skill-name {
    font-size: 0.9rem;
  }
  
  .skill-value {
    font-size: 1.125rem;
  }
  
  .about-content {
    padding: 1.5rem 1rem;
  }
  
  .timeline {
    padding-left: 1.5rem;
  }
  
  .timeline-item {
    padding-left: 1.5rem;
  }
}

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

  #cursor-glow,
  #cursor-canvas {
    display: none;
  }

  [data-theme="dark"] body::before,
  [data-theme="dark"] body::after,
  [data-theme="dark"] .hero::before,
  :root:not([data-theme="dark"]) body::before,
  :root:not([data-theme="dark"]) body::after,
  :root:not([data-theme="dark"]) .hero::before {
    animation: none !important;
  }
}