/* ============================================
   RESET & BASE
   ============================================ */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --color-bg: #0a0a0a;
  --color-bg-light: #1a1a1a;
  --color-text: #ffffff;
  --color-text-secondary: #a0a0a0;
  --color-accent: #ffffff;
  --color-overlay: rgba(0, 0, 0, 0.3);
  
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.8s cubic-bezier(0.4, 0, 0.2, 1);
  
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;
}

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Scroll smooth uniquement pour la page Home */
body.home {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-primary);
  background-color: var(--color-bg);
  color: var(--color-text);
  overflow-x: hidden;
  cursor: none;
}

/* Scroll Snap uniquement pour la page Home */
body.home {
  scroll-snap-type: y mandatory;
  overflow-y: scroll;
  height: 100vh;
  scrollbar-width: none;
  -ms-overflow-style: none;
  scroll-padding-top: 0;
}

body.home::-webkit-scrollbar {
  display: none;
}

/* Désactiver le scroll snap sur mobile pour une meilleure expérience */
@media (max-width: 768px) {
  body.home {
    scroll-snap-type: none;
  }
}

/* ============================================
   ABOUT & NAV BUTTONS
   ============================================ */
.top-actions {
  position: fixed;
  top: var(--spacing-md);
  right: var(--spacing-md);
  z-index: 1000;
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.about-button,
.nav-button {
  position: relative;
  background: transparent;
  border: 1px solid var(--color-text);
  color: var(--color-text);
  padding: var(--spacing-xs) var(--spacing-sm);
  font-family: var(--font-primary);
  font-size: 0.875rem;
  font-weight: 400;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all var(--transition-fast);
  backdrop-filter: blur(10px);
  background-color: rgba(10, 10, 10, 0.3);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 38px;
}

.about-button:hover,
.nav-button:hover {
  background-color: var(--color-text);
  color: var(--color-bg);
  transform: translateY(-2px);
}

.about-button:active,
.nav-button:active {
  transform: translateY(0);
}

.about-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 2000;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-smooth), visibility var(--transition-smooth);
  pointer-events: none;
}

.about-overlay.active {
  opacity: 1;
  visibility: visible;
  pointer-events: all;
}

.about-overlay-backdrop {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.9);
  backdrop-filter: blur(20px);
}

.about-overlay-content {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  max-width: 600px;
  width: 90%;
  max-height: 80vh;
  overflow-y: auto;
  background-color: var(--color-bg);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: var(--spacing-lg);
  opacity: 0;
  transform: translate(-50%, -50%) scale(0.95);
  transition: opacity var(--transition-smooth), transform var(--transition-smooth);
}

.about-overlay.active .about-overlay-content {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}

.about-close {
  position: absolute;
  top: var(--spacing-sm);
  right: var(--spacing-sm);
  width: 40px;
  height: 40px;
  background: transparent;
  border: 1px solid var(--color-text);
  color: var(--color-text);
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  z-index: 10;
}

.about-close:hover {
  background-color: var(--color-text);
  color: var(--color-bg);
  transform: rotate(90deg);
}

.about-text {
  margin-top: var(--spacing-md);
}

.about-text p {
  font-size: 1rem;
  font-weight: 300;
  line-height: 1.8;
  color: var(--color-text);
  margin-bottom: var(--spacing-md);
  letter-spacing: 0.01em;
}

.about-text p:last-child {
  margin-bottom: 0;
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
  position: relative;
  height: 100vh;
  width: 100vw;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  scroll-snap-align: start;
  scroll-snap-stop: always;
}

.video-backdrop {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
}

.hero-video {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-width: 100%;
  min-height: 100%;
}

.video-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    to bottom,
    rgba(0, 0, 0, 0.2) 0%,
    rgba(0, 0, 0, 0.4) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 10;
  text-align: center;
  padding: var(--spacing-lg);
  animation: fadeInUp 1s ease-out;
}

.hero-title {
  font-size: clamp(3rem, 8vw, 8rem);
  font-weight: 300;
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin-bottom: var(--spacing-md);
  color: var(--color-text);
}

.hero-logo {
  width: auto;
  height: clamp(1rem, 2.5vw, 2.5rem);
  max-width: 90vw;
  display: block;
  opacity: 0;
  animation: fadeInUp 0.8s ease-out 0.3s forwards;
}

.title-line {
  display: block;
  opacity: 0;
  animation: fadeInUp 0.8s ease-out 0.3s forwards;
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.5rem);
  font-weight: 300;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  opacity: 0;
  animation: fadeInUp 0.8s ease-out 0.6s forwards;
}

.scroll-indicator {
  position: absolute;
  bottom: var(--spacing-lg);
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  opacity: 0;
  animation: fadeIn 1s ease-out 1s forwards;
  display: none;
}

.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, transparent, var(--color-text));
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

@keyframes scrollPulse {
  0%, 100% {
    opacity: 0.3;
  }
  50% {
    opacity: 1;
  }
}

/* ============================================
   VIDEO SECTIONS
   ============================================ */
.snap-section {
  scroll-snap-align: start;
  scroll-snap-stop: always;
  min-height: 100vh;
  height: 100vh;
}

.video-container {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-xl) var(--spacing-lg);
  background-color: var(--color-bg);
  min-height: 100vh;
  height: 100vh;
}

.video-wrapper {
  width: 100%;
  max-width: 1400px;
  position: relative;
}

.video-placeholder {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%; /* 16:9 aspect ratio */
  background-color: var(--color-bg-light);
  overflow: hidden;
  border-radius: 2px;
}

.video-placeholder iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
  opacity: 0;
  transition: opacity var(--transition-smooth);
}

.video-placeholder iframe.loaded {
  opacity: 1;
}

.video-loader {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 1;
}

.loader-spinner {
  width: 40px;
  height: 40px;
  border: 2px solid rgba(255, 255, 255, 0.1);
  border-top-color: var(--color-text);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.video-info {
  margin-top: var(--spacing-md);
  padding: 0 var(--spacing-xs);
}

.video-title {
  font-size: clamp(1.5rem, 3vw, 2.5rem);
  font-weight: 400;
  letter-spacing: -0.01em;
  margin-bottom: var(--spacing-xs);
  color: var(--color-text);
}

.video-category {
  font-size: 0.875rem;
  font-weight: 300;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
}

/* ============================================
   ABOUT SECTION
   ============================================ */
.about-card {
  min-height: 100vh;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-xl) var(--spacing-lg);
  background-color: var(--color-bg-light);
  scroll-snap-align: start;
  scroll-snap-stop: always;
}

.about-container {
  max-width: 1400px;
  width: 100%;
}

.about-columns {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-xl);
  align-items: start;
}

.about-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 300;
  letter-spacing: -0.01em;
  margin-bottom: var(--spacing-lg);
  color: var(--color-text);
}

.about-subtitle {
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: var(--spacing-md);
  color: var(--color-text);
}

.about-list {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--spacing-lg) 0;
}

.about-list li {
  font-size: 1rem;
  font-weight: 300;
  line-height: 1.8;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-xs);
  padding-left: var(--spacing-sm);
  position: relative;
}

.about-list li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--color-text-secondary);
  opacity: 0.5;
}

.about-section {
  margin-bottom: var(--spacing-lg);
}

.about-contact {
  margin-top: var(--spacing-lg);
}

.about-contact p {
  font-size: 1rem;
  font-weight: 300;
  line-height: 1.8;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-xs);
}

/* ============================================
   PAGES (Projects, Motion Design, Info)
   ============================================ */
body:not(.home) {
  padding-top: 100px;
  min-height: 100vh;
}

.projects-page,
.motion-page,
.info-page {
  min-height: calc(100vh - 100px);
  padding: var(--spacing-xl) var(--spacing-lg);
  background-color: var(--color-bg);
}

.projects-container,
.motion-container,
.info-container {
  max-width: 1400px;
  margin: 0 auto;
  width: 100%;
}

.projects-header,
.motion-header,
.info-header {
  margin-bottom: var(--spacing-xl);
  text-align: center;
}

.page-title {
  font-size: clamp(3rem, 6vw, 5rem);
  font-weight: 300;
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin-bottom: var(--spacing-sm);
  color: var(--color-text);
}

.page-subtitle {
  font-size: 1rem;
  font-weight: 300;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
}

/* Work Page */
.work {
  background-color: var(--color-bg);
  color: var(--color-text);
  min-height: 100vh;
}

.work-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: calc(var(--spacing-lg) * 1.5) var(--spacing-lg);
}

/* Work Gallery - Nouvelle structure */
.work-gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: calc(var(--spacing-lg) * 2);
  row-gap: calc(var(--spacing-lg) * 1.5);
  column-gap: calc(var(--spacing-lg) * 2.5);
}

.work-gallery-item {
  position: relative;
  cursor: pointer;
  overflow: hidden;
  border-radius: 2px;
  aspect-ratio: 16 / 9;
  background-color: var(--color-bg-light);
  transition: transform var(--transition-smooth), opacity var(--transition-smooth);
}

.work-gallery-item:hover {
  transform: scale(1.02);
  opacity: 0.9;
}

.work-gallery-item:focus {
  outline: 2px solid rgba(255, 255, 255, 0.3);
  outline-offset: 4px;
}

.work-gallery-thumbnail {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform var(--transition-smooth);
}

.work-gallery-item:hover .work-gallery-thumbnail {
  transform: scale(1.05);
}

.work-gallery-play-icon {
  display: none;
}

/* Video Overlay / Modal */
.video-overlay {
  position: fixed;
  inset: 0;
  z-index: 3000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-smooth), visibility var(--transition-smooth);
  padding: var(--spacing-md);
}

.video-overlay.active {
  opacity: 1;
  visibility: visible;
}

.video-overlay-backdrop {
  position: absolute;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.95);
  backdrop-filter: blur(10px);
}

.video-overlay-content {
  position: relative;
  width: min(90vw, 1200px);
  aspect-ratio: 16 / 9;
  z-index: 1;
  transform: scale(0.95);
  transition: transform var(--transition-smooth);
}

.video-overlay.active .video-overlay-content {
  transform: scale(1);
}

.video-overlay-close {
  position: absolute;
  top: -50px;
  right: 0;
  width: 44px;
  height: 44px;
  background-color: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  color: var(--color-text);
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  z-index: 10;
}

.video-overlay-close:hover {
  background-color: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.4);
  transform: rotate(90deg);
}

.video-overlay-close:focus {
  outline: 2px solid rgba(255, 255, 255, 0.5);
  outline-offset: 2px;
}

.video-overlay-player {
  position: relative;
  width: 100%;
  height: 100%;
  background-color: #000;
  border-radius: 4px;
  overflow: hidden;
}

.video-overlay-player iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: none;
}

/* Responsive - Work Gallery */
@media (max-width: 1024px) {
  .work-gallery {
    grid-template-columns: repeat(2, 1fr);
    gap: calc(var(--spacing-lg) * 1.5);
    row-gap: var(--spacing-lg);
    column-gap: calc(var(--spacing-lg) * 2);
  }
}

@media (max-width: 768px) {
  .work-container {
    padding: var(--spacing-lg) var(--spacing-md);
  }

  .work-gallery {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    row-gap: var(--spacing-lg);
  }

  .video-overlay-content {
    width: 95vw;
  }

  .video-overlay-close {
    top: -40px;
    width: 40px;
    height: 40px;
    font-size: 1.25rem;
  }
}

/* Projects Grid */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-lg);
}

.project-item {
  position: relative;
  opacity: 0;
  animation: fadeInUp 0.8s ease-out forwards;
}

.project-item:nth-child(1) { animation-delay: 0.1s; }
.project-item:nth-child(2) { animation-delay: 0.2s; }
.project-item:nth-child(3) { animation-delay: 0.3s; }
.project-item:nth-child(4) { animation-delay: 0.4s; }

.project-video-wrapper {
  position: relative;
  width: 100%;
  margin-bottom: var(--spacing-md);
}

.project-video-wrapper .video-placeholder {
  padding-bottom: 56.25%;
}

.project-info {
  padding: 0 var(--spacing-xs);
}

.project-title {
  font-size: 1.5rem;
  font-weight: 400;
  letter-spacing: -0.01em;
  margin-bottom: var(--spacing-xs);
  color: var(--color-text);
}

.project-category {
  font-size: 0.875rem;
  font-weight: 300;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
}

/* Motion Design Grid */
.motion-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-lg);
}

.motion-item {
  position: relative;
  opacity: 0;
  animation: fadeInUp 0.8s ease-out forwards;
}

.motion-placeholder {
  width: 100%;
  padding-bottom: 56.25%;
  background-color: var(--color-bg-light);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 2px;
  margin-bottom: var(--spacing-md);
}

.motion-placeholder p {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.motion-info {
  padding: 0 var(--spacing-xs);
}

.motion-title {
  font-size: 1.25rem;
  font-weight: 400;
  letter-spacing: -0.01em;
  margin-bottom: var(--spacing-xs);
  color: var(--color-text);
}

.motion-category {
  font-size: 0.875rem;
  font-weight: 300;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
}

/* Info Page */
.info-content {
  margin-top: var(--spacing-xl);
}

.info-columns {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-xl);
  align-items: start;
}

.info-section {
  margin-bottom: var(--spacing-lg);
}

.info-subtitle {
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: var(--spacing-md);
  color: var(--color-text);
}

.info-list {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--spacing-lg) 0;
}

.info-list li {
  font-size: 1rem;
  font-weight: 300;
  line-height: 1.8;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-xs);
  padding-left: var(--spacing-sm);
  position: relative;
}

.info-list li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--color-text-secondary);
  opacity: 0.5;
}

.info-contact {
  margin-top: var(--spacing-lg);
}

.info-contact p {
  font-size: 1rem;
  font-weight: 300;
  line-height: 1.8;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-xs);
}

/* ============================================
   CUSTOM CURSOR
   ============================================ */
.custom-cursor {
  position: fixed;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background-color: var(--color-text);
  mix-blend-mode: difference;
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  transition: transform var(--transition-fast), width var(--transition-fast), height var(--transition-fast);
  opacity: 0;
}

.custom-cursor.visible {
  opacity: 1;
}

.custom-cursor.hover {
  width: 60px;
  height: 60px;
  background-color: transparent;
  border: 2px solid var(--color-text);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  .about-columns,
  .info-columns {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }
  
  .projects-grid {
    grid-template-columns: 1fr;
  }

  .work-container {
    padding: var(--spacing-lg) var(--spacing-md);
  }
}

@media (max-width: 768px) {
  :root {
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
  }
  
  .top-actions {
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    gap: calc(var(--spacing-xs) * 0.75);
  }

  .about-button,
  .nav-button {
    padding: calc(var(--spacing-xs) * 0.75) calc(var(--spacing-sm) * 0.75);
    font-size: 0.75rem;
  }
  
  .about-overlay-content {
    max-width: 90%;
    padding: var(--spacing-md);
    max-height: 85vh;
  }
  
  .about-text p {
    font-size: 0.9375rem;
    line-height: 1.7;
  }
  
  .video-container {
    padding: var(--spacing-lg) var(--spacing-md);
  }
  
  .about-card {
    padding: var(--spacing-lg) var(--spacing-md);
  }
  
  .hero-content {
    padding: var(--spacing-md);
  }
  
  .projects-page,
  .motion-page,
  .info-page {
    padding: var(--spacing-lg) var(--spacing-md);
  }
  
  .projects-grid,
  .motion-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }

  .work-grid {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-sm);
  }
}

@media (max-width: 480px) {
  .top-actions {
    top: var(--spacing-xs);
    right: var(--spacing-xs);
  }

  .about-button,
  .nav-button {
    padding: calc(var(--spacing-xs) * 0.5) calc(var(--spacing-sm) * 0.5);
    font-size: 0.6875rem;
  }
  
  .about-overlay-content {
    padding: var(--spacing-sm);
    max-height: 90vh;
  }
  
  .about-close {
    width: 35px;
    height: 35px;
    font-size: 1.25rem;
    top: var(--spacing-xs);
    right: var(--spacing-xs);
  }
  
  .about-text p {
    font-size: 0.875rem;
    line-height: 1.6;
    margin-bottom: var(--spacing-sm);
  }
}

/* ============================================
   UTILITIES
   ============================================ */
.fade-in {
  animation: fadeInUp 0.8s ease-out forwards;
}

.hidden {
  opacity: 0;
  visibility: hidden;
}

.visible {
  opacity: 1;
  visibility: visible;
}