/* =========================================================================
   Portfolio · Charles Raissiguier
   Style : éditorial minimaliste · light · accent terracotta
   ========================================================================= */

/* ---------- Réglages globaux (#6) ---------- */
:root {
  --tr-duration: 400ms;
  --tr-ease: cubic-bezier(0.2, 0.8, 0.2, 1);
  --accent: #B5553D;
}
@media (prefers-reduced-motion: reduce) {
  :root {
    --tr-duration: 200ms;
    --tr-ease: ease;
  }
}

/* ---------- Base ---------- */
/* Force le rendu des form controls en light mode même si l'OS est en dark :
   sans ça, Chrome/Safari rendent les <input> avec un fond sombre par défaut. */
html { color-scheme: light; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  min-height: 100vh;
  font-feature-settings: 'ss01', 'ss03';
  overflow-x: hidden;
}

/* ---------- Reveal génériques (legacy fade+translate) ---------- */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 800ms var(--tr-ease),
              transform 800ms var(--tr-ease);
  will-change: opacity, transform;
}
.reveal.in-view { opacity: 1; transform: translateY(0); }

/* ---------- Reveals renforcés (#4) ---------- */
/* Numéro de section "— 01" : fade simple */
.reveal-num {
  opacity: 0;
  transition: opacity 600ms var(--tr-ease);
}
.reveal-num.in-view { opacity: 1; }

/* Titre : clip reveal top → bottom (comme sorti d'une fente) */
.reveal-title {
  clip-path: inset(0 0 100% 0);
  transform: translateY(-8px);
  transition: clip-path 700ms var(--tr-ease),
              transform 700ms var(--tr-ease);
}
.reveal-title.in-view {
  clip-path: inset(0 0 0 0);
  transform: translateY(0);
}

/* Stagger : chaque enfant direct arrive 100ms après le précédent */
.reveal-stagger > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 600ms var(--tr-ease),
              transform 600ms var(--tr-ease);
}
.reveal-stagger.in-view > * { opacity: 1; transform: translateY(0); }
.reveal-stagger.in-view > *:nth-child(1)  { transition-delay:   0ms; }
.reveal-stagger.in-view > *:nth-child(2)  { transition-delay: 100ms; }
.reveal-stagger.in-view > *:nth-child(3)  { transition-delay: 200ms; }
.reveal-stagger.in-view > *:nth-child(4)  { transition-delay: 300ms; }
.reveal-stagger.in-view > *:nth-child(5)  { transition-delay: 400ms; }
.reveal-stagger.in-view > *:nth-child(6)  { transition-delay: 500ms; }
.reveal-stagger.in-view > *:nth-child(7)  { transition-delay: 600ms; }
.reveal-stagger.in-view > *:nth-child(8)  { transition-delay: 700ms; }

/* Reduced-motion : aplatir TOUS les reveals à un fade simple 200ms */
@media (prefers-reduced-motion: reduce) {
  .reveal, .reveal-num, .reveal-title, .reveal-stagger > * {
    transform: none !important;
    clip-path: none !important;
    transition-duration: 200ms !important;
    transition-delay: 0ms !important;
  }
}

/* ---------- Navigation ---------- */
#navbar { background: transparent; border-bottom: 1px solid transparent; }
#navbar.scrolled {
  background: rgba(250, 250, 247, 0.95);
  border-bottom-color: rgba(0, 0, 0, 0.06);
  backdrop-filter: saturate(160%) blur(6px);
  -webkit-backdrop-filter: saturate(160%) blur(6px);
}

/* Lien avec underline qui slide de gauche à droite au hover (#2a) */
.nav-link,
.link-slide {
  position: relative;
  color: #1A1A1A;
  cursor: pointer;
  transition: color var(--tr-duration) var(--tr-ease);
}
.nav-link::after,
.link-slide::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: -4px;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform var(--tr-duration) var(--tr-ease);
}
.nav-link:hover,
.nav-link.active,
.link-slide:hover { color: var(--accent); }
.nav-link:hover::after,
.nav-link.active::after,
.link-slide:hover::after { transform: scaleX(1); }

/* ---------- Hero ---------- */
#hero h1 { letter-spacing: -0.02em; }

/* Structure du titre splitté en lignes (indispensable pour le stagger GSAP).
   Les éléments restent visibles par défaut : GSAP les masque en JS au load
   avant de les animer (progressive enhancement). */
#hero-title .title-line {
  display: block;
  white-space: nowrap;
}
.hero-title-letter {
  display: inline-block;
}

/* ---------- Réalisations : project cards (#2b) ---------- */
.project-visual {
  display: block;
  position: relative;
  border-radius: 1.25rem;
  overflow: hidden;
  cursor: pointer;
  transition: transform var(--tr-duration) ease-out,
              box-shadow var(--tr-duration) ease-out;
  background: rgba(255, 255, 255, 0.6);
  border: 1px solid rgba(0, 0, 0, 0.06);
  backdrop-filter: blur(12px) saturate(140%);
  -webkit-backdrop-filter: blur(12px) saturate(140%);
  box-shadow: 0 20px 60px -30px rgba(0, 0, 0, 0.1);
}
.project-visual:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px -20px rgba(181, 85, 61, 0.15);
}

/* Ratio 16:10 via padding trick */
.project-img-wrap {
  position: relative;
  width: 100%;
  padding-top: 62.5%;
  overflow: hidden;
}
.project-img,
.project-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--tr-duration) ease-out;
}
.project-visual:hover .project-img,
.project-visual:hover .project-video { transform: scale(1.02); }
.project-img.missing { display: none; }

/* Support vidéo (#3)
   - Par défaut : vidéo masquée, image visible.
   - Desktop hover fine : vidéo visible (si présente), image cachée.
   - Mobile / touch : seule l'image reste, la vidéo n'est jamais chargée visuellement.
*/
.project-video { display: none; }
@media (hover: hover) and (pointer: fine) and (min-width: 768px) {
  .project-video { display: block; }
  .project-visual:has(.project-video) .project-img { display: none; }
}

/* Fallback visible tant qu'aucune image n'existe */
.project-img-fallback {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.25rem;
  background: linear-gradient(135deg, #F1EDE6 0%, #E8E1D5 100%);
  color: #6B6B6B;
  font-size: clamp(1.5rem, 3vw, 2.5rem);
  pointer-events: none;
}
.project-img:not(.missing) + .project-img-fallback,
.project-video + .project-img-fallback { display: none; }

/* Lien "Voir le site live" : même pattern underline slide */
.project-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  color: #1A1A1A;
  padding-bottom: 0.35rem;
  font-size: 0.95rem;
  cursor: pointer;
  transition: color var(--tr-duration) var(--tr-ease);
}
.project-link::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform var(--tr-duration) var(--tr-ease);
}
.project-link:hover { color: var(--accent); }
.project-link:hover::after { transform: scaleX(1); }

/* ---------- About : portrait ---------- */
.portrait {
  position: relative;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  overflow: hidden;
  background: linear-gradient(135deg, #F1EDE6 0%, #E8E1D5 100%);
  border: 1px solid rgba(0, 0, 0, 0.06);
}
@media (min-width: 768px) {
  .portrait { width: 280px; height: 280px; }
}
.portrait-img { width: 100%; height: 100%; object-fit: cover; display: block; }
.portrait-img.missing { display: none; }
.portrait-fallback {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Instrument Serif', Georgia, serif;
  font-style: italic;
  font-size: 6rem;
  color: var(--accent);
  pointer-events: none;
}
.portrait-img:not(.missing) + .portrait-fallback { display: none; }

/* ---------- About : mini-projets perso ---------- */
.side-card {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  padding: 1.5rem;
  border-radius: 0.875rem;
  background: #FFFFFF;
  border: 1px solid rgba(0, 0, 0, 0.06);
  cursor: pointer;
  transition: transform var(--tr-duration) ease-out,
              border-color var(--tr-duration) ease-out,
              box-shadow var(--tr-duration) ease-out;
}
.side-card:hover {
  transform: translateY(-3px);
  border-color: rgba(181, 85, 61, 0.3);
  box-shadow: 0 15px 40px -15px rgba(181, 85, 61, 0.12);
}
.side-card-icon { width: 40px; height: 40px; color: var(--accent); }
.side-card-icon svg { width: 100%; height: 100%; }
.side-card-title {
  font-size: 1.05rem;
  font-weight: 500;
  color: #1A1A1A;
  margin-top: 0.25rem;
}
.side-card-desc {
  font-size: 0.9rem;
  color: #6B6B6B;
  line-height: 1.5;
  flex: 1;
}
.side-card-link {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 0.75rem;
  color: #1A1A1A;
  margin-top: 0.5rem;
  transition: color var(--tr-duration) var(--tr-ease);
}
.side-card:hover .side-card-link { color: var(--accent); }

/* ---------- Form ---------- */
.form-field { display: flex; flex-direction: column; gap: 0.4rem; }
.form-field label {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: #6B6B6B;
}
.form-field input,
.form-field textarea {
  width: 100%;
  padding: 0.75rem 0;
  background: transparent;
  border: none;
  border-bottom: 1px solid rgba(0, 0, 0, 0.15);
  color: #1A1A1A;
  font-family: inherit;
  font-size: 1rem;
  transition: border-color var(--tr-duration) var(--tr-ease);
}
.form-field input:focus,
.form-field textarea:focus {
  outline: none;
  border-bottom-color: var(--accent);
}
.form-field textarea { resize: vertical; min-height: 96px; line-height: 1.5; }
.form-field.error input,
.form-field.error textarea { border-bottom-color: #DC2626; }
.form-error { font-size: 0.75rem; color: #DC2626; min-height: 1rem; }

.submit-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.9rem 1.6rem;
  background: #1A1A1A;
  color: #FAFAF7;
  font-size: 0.95rem;
  border-radius: 9999px;
  border: none;
  cursor: pointer;
  transition: background var(--tr-duration) var(--tr-ease);
}
.submit-btn:hover { background: var(--accent); }
.submit-btn:disabled { opacity: 0.6; cursor: not-allowed; }

/* ---------- Curseur custom (#5) ---------- */
#cursor-dot {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  pointer-events: none;
  z-index: 9999;
  mix-blend-mode: multiply;
  transform: translate3d(var(--x, -50px), var(--y, -50px), 0) translate(-50%, -50%);
  transition: width 200ms var(--tr-ease),
              height 200ms var(--tr-ease),
              background-color 200ms var(--tr-ease);
  will-change: transform;
}
/* Affiché uniquement sur desktop avec vraie souris */
@media (hover: hover) and (pointer: fine) {
  #cursor-dot { display: block; }
}
/* Désactivé en reduced-motion (accessibilité) */
@media (prefers-reduced-motion: reduce) {
  #cursor-dot { display: none !important; }
}
#cursor-dot.cursor-dot--hover {
  width: 40px;
  height: 40px;
  background: rgba(181, 85, 61, 0.18);
}

/* ---------- Focus visible ---------- */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 3px;
}

/* ---------- Print ---------- */
@media print {
  #navbar, #cursor-dot { display: none !important; }
  body { background: white; color: black; }
  .reveal, .reveal-num, .reveal-title, .reveal-stagger > * {
    opacity: 1 !important; transform: none !important; clip-path: none !important;
  }
}