/* ================================================================
   Portfolio Titouan Gaucher — v4 — Perf-optimized
   Suppression: cursor ring, filter blur, grayscale, floatOrb,
   meshShift, backdrop-filter heavy, fixed grain
   Ajouts: will-change ciblé, contain, GPU hints propres
================================================================ */


:root {
  --v1: #6c5ce7;
  --v2: #8b7cf8;
  --v3: #b8affe;
  --v4: rgba(108,92,231,0.08);
  --v5: rgba(108,92,231,0.18);
  --v-glow: rgba(108,92,231,0.30);

  --blanc: #ffffff;
  --off-white: #faf9ff;
  --gris-clair: #f4f2ff;
  --gris-mid: #e8e4ff;
  --texte: #0a0818;
  --texte2: #4a4565;
  --texte3: #8a86a8;
  --bordure: rgba(108,92,231,0.14);
  --bordure2: rgba(108,92,231,0.28);

  --serif: "Poppins", sans-serif;
  --sans: "Inter", system-ui, sans-serif;

  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-smooth: cubic-bezier(0.4, 0, 0.2, 1);
}

*, *::before, *::after {
  margin: 0; padding: 0; box-sizing: border-box;
}
html { scroll-behavior: smooth; }
body {
  font-family: var(--sans);
  background: var(--off-white);
  color: var(--texte);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* cursor:none appliqué uniquement via JS quand le curseur custom est actif */
/* body { cursor: none; } — supprimé du CSS global pour l'accessibilité */
.cursor {
  position: fixed;
  width: 8px; height: 8px;
  background: var(--v1);
  border-radius: 50%;
  pointer-events: none;
  z-index: 10000;
  top: 0; left: 0;
  /* translate via JS transform direct, pas de transition pour 0 lag */
  will-change: transform;
}
/* Grossit légèrement sur les éléments interactifs */
.cursor.hover {
  width: 14px; height: 14px;
  background: var(--v2);
  transition: width 0.15s ease, height 0.15s ease, background 0.15s ease;
}
/* Curseur normal pour les champs de texte */
input, textarea, select { cursor: text; }

/* Grain — position: absolute sur wrapper, pas fixed */
.grain-overlay {
  position: fixed; inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.025'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 9998;
  opacity: 0.35;
  /* Pas de repaint — layer compositing only */
  will-change: auto;
  contain: strict;
}


/* ── NAV TOGGLE (hamburger) — Caché par défaut sur desktop ── */
.nav-toggle {
  display: none;
}
/* ================================================================
   HEADER
================================================================ */
.en-tete {
  position: fixed; top: 0; left: 0; right: 0; z-index: 997;
  display: flex; justify-content: space-between; align-items: center;
  padding: 0 60px;
  height: 70px;
  background: rgba(250,249,255,0.88);
  /* Réduit vs v3: était blur(24px) saturate(200%) — coûteux */
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--bordure);
  contain: layout style;
}
.en-tete::before {
  content: "";
  position: absolute;
  left: 0; top: 15%; height: 70%;
  width: 3px;
  background: linear-gradient(to bottom, transparent, var(--v1), transparent);
}

.logo {
  text-decoration: none;
  display: flex; align-items: baseline; gap: 2px;
  color: var(--texte);
  letter-spacing: -1px;
}
.logo-p {
  font-family: var(--serif);
  font-style: italic; font-weight: 300; font-size: 2.2em;
  color: var(--v1); line-height: 1;
}
.logo-rest {
  font-family: var(--sans);
  font-weight: 600; font-size: 1em;
  letter-spacing: 3px; text-transform: uppercase;
  color: var(--texte);
}

.navigation__liste { list-style: none; display: flex; align-items: center; }
.navigation__liste a {
  position: relative;
  display: block; padding: 8px 20px;
  color: var(--texte2); text-decoration: none;
  font-size: 0.78em; font-weight: 500;
  letter-spacing: 2px; text-transform: uppercase;
  transition: color 0.25s ease;
}
.navigation__liste a::after {
  content: "";
  position: absolute; bottom: 4px; left: 20px; right: 20px;
  height: 1px; background: var(--v1);
  transform: scaleX(0);
  transition: transform 0.25s var(--ease-smooth);
  transform-origin: left;
  will-change: transform;
}
.navigation__liste a:hover { color: var(--v1); }
.navigation__liste a:hover::after { transform: scaleX(1); }

/* ================================================================
   HERO — asymétrique, sans animations continues
================================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  /* overflow:hidden retiré — il coupait les icônes LinkedIn/GitHub positionnées en absolu */
  background: var(--off-white);
}
.hero::before {
  content: "";
  position: absolute; top: -20%; left: -10%;
  width: 70%; height: 140%;
  background: linear-gradient(135deg, rgba(108,92,231,0.05) 0%, rgba(184,175,254,0.03) 50%, transparent 100%);
  clip-path: polygon(0 0, 85% 0, 100% 100%, 0% 100%);
  pointer-events: none;
}
/* Orbe statique (pas d'animation continue) */
.hero::after {
  content: "";
  position: absolute; top: 10%; right: 5%;
  width: 420px; height: 420px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(108,92,231,0.09) 0%, transparent 70%);
  pointer-events: none;
}

.hero__left {
  position: relative; z-index: 2;
  display: flex; flex-direction: column; justify-content: center;
  padding: 120px 60px 80px 80px;
}
.hero__number {
  position: absolute; top: 50%; left: 60px;
  transform: translateY(-50%);
  font-family: var(--serif); font-size: 18em; font-weight: 300;
  color: rgba(108,92,231,0.04);
  line-height: 1; pointer-events: none; user-select: none;
  letter-spacing: -10px;
  /* Contenu décoratif — isolé du layout */
  contain: layout style paint;
}

.hero__eyebrow {
  display: flex; align-items: center; gap: 14px;
  margin-bottom: 24px;
}
.hero__eyebrow-line { width: 40px; height: 1px; background: var(--v1); }
.hero__eyebrow-text {
  font-size: 0.72em; font-weight: 600;
  letter-spacing: 3px; text-transform: uppercase;
  color: var(--v1);
}

/* Dot pulsant — animation simple opacity only, pas de box-shadow animé */
.hero__eyebrow-dot {
  display: inline-block;
  width: 6px; height: 6px;
  border-radius: 50%; background: #22c55e;
  animation: dotPulse 2.5s ease-in-out infinite;
}
@keyframes dotPulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.35; }
}

.hero__titre {
  font-family: var(--serif);
  font-size: clamp(3.5em, 6vw, 5.5em);
  font-weight: 300; line-height: 1.0;
  color: var(--texte); letter-spacing: -2px;
  margin-bottom: 8px;
}
.hero__titre em { font-style: italic; color: var(--v1); }
.hero__titre .hero__nom-block {
  display: block; font-weight: 600; letter-spacing: -3px;
}

.hero__tagline {
  font-size: 1em; color: var(--texte2); line-height: 1.7;
  max-width: 380px; margin: 24px 0 44px;
  font-weight: 300;
  border-left: 2px solid var(--v2); padding-left: 18px;
}

.hero__actions { display: flex; align-items: center; gap: 24px; }

/* Hint scroll — opacity seulement, pas de box-shadow ou blur */
.hero__scroll-hint {
  position: absolute; bottom: 40px; left: 80px;
  display: flex; align-items: center; gap: 10px;
  font-size: 0.7em; letter-spacing: 2px; text-transform: uppercase;
  color: var(--texte3);
}
.hero__scroll-hint::before {
  content: "";
  width: 1px; height: 40px;
  background: linear-gradient(to bottom, transparent, var(--v1));
  animation: scrollLine 2.5s ease-in-out infinite;
  will-change: opacity;
}
@keyframes scrollLine {
  0%, 100% { opacity: 0.3; }
  50%       { opacity: 0.9; }
}

/* Colonne droite */
.hero__right {
  position: relative; z-index: 1;
  display: flex; align-items: center; justify-content: center;
  padding: 100px 60px 80px 0;
}

/* Wrapper interne : photo + icônes côte à côte en flexbox — plus de position:absolute */
.hero__right-inner {
  display: flex;
  align-items: center;
  gap: 16px;
  align-self: center;
}

/* Icônes hero — colonne verticale en flexbox statique */
.icones-hero {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.icones-hero a {
  display: flex; align-items: center; justify-content: center;
  width: 40px; height: 40px;
  background: var(--blanc); border: 1px solid var(--bordure);
  border-radius: 10px; color: var(--texte2); font-size: 1em;
  text-decoration: none;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease,
              transform 0.2s var(--ease-spring), box-shadow 0.2s ease;
  box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}
.icones-hero a:hover {
  background: var(--v1); color: #fff;
  border-color: var(--v1);
  transform: scale(1.1);
  box-shadow: 0 8px 20px var(--v-glow);
}

.hero__photo-frame {
  position: relative;
  will-change: transform; /* Pour le scroll reveal */
}
.hero__photo-frame::before {
  content: "";
  position: absolute; top: -20px; right: -20px;
  width: 100%; height: 100%;
  border: 1.5px solid var(--bordure2); border-radius: 4px; z-index: 0;
}
.hero__photo-frame::after {
  content: "";
  position: absolute; bottom: -30px; left: -30px;
  width: 80px; height: 80px;
  background: linear-gradient(135deg, var(--v1), var(--v2));
  border-radius: 50%; opacity: 0.12; z-index: 0;
}
.hero__photo-frame img {
  position: relative; z-index: 1;
  width: 320px; border-radius: 4px; display: block;
  /* Supprimé: filter grayscale (paint layer inutile) */
  box-shadow: 30px 40px 80px rgba(108,92,231,0.15), -10px -10px 40px rgba(0,0,0,0.04);
  /* Pas de transition sur filter */
}

/* Badge "Open to work" — positionné sous la photo, aligné à gauche */
.hero__photo-tag {
  position: absolute; bottom: -20px; left: 0;
  background: var(--blanc); border: 1px solid var(--bordure2);
  border-radius: 8px; padding: 10px 16px; z-index: 2;
  box-shadow: 0 8px 24px rgba(108,92,231,0.10);
  display: flex; align-items: center; gap: 10px;
}
.hero__photo-tag-dot {
  width: 8px; height: 8px; border-radius: 50%; background: #22c55e;
  /* Réduit: était box-shadow animé — remplacé par opacity seul */
  animation: dotPulse 2.5s ease-in-out infinite;
  will-change: opacity;
}
.hero__photo-tag span { font-size: 0.8em; color: var(--texte2); font-weight: 500; }

/* ── Icônes footer ── */
.icones-footer {
  display: flex; flex-direction: row; gap: 8px;
}
.icones-footer a {
  display: inline-flex; align-items: center; justify-content: center;
  width: 36px; height: 36px; border-radius: 8px;
  border: 1px solid var(--bordure);
  background: var(--blanc);
  color: var(--texte2); font-size: 1.1em; text-decoration: none;
  transition: color 0.2s ease, background 0.2s ease, border-color 0.2s ease,
              transform 0.2s var(--ease-spring);
  will-change: transform;
}
.icones-footer a:hover {
  color: var(--v1); background: var(--gris-clair);
  border-color: var(--v2); transform: translateY(-2px);
}

/* Vagues */
.vagues-conteneur {
  position: absolute; bottom: 0; left: 0; right: 0;
  line-height: 0; z-index: 3;
}
.vagues { width: 100%; height: 14vh; min-height: 80px; max-height: 120px; }
.parallaxe > use {
  animation: mouvement-infini 25s cubic-bezier(0.55,0.5,0.45,0.5) infinite;
  will-change: transform;
}
.parallaxe > use:nth-child(1) { animation-delay: -2s; animation-duration: 7s; }
.parallaxe > use:nth-child(2) { animation-delay: -3s; animation-duration: 10s; }
.parallaxe > use:nth-child(3) { animation-delay: -4s; animation-duration: 13s; }
@keyframes mouvement-infini {
  0%   { transform: translate3d(-90px,0,0); }
  100% { transform: translate3d(85px,0,0); }
}

/* ================================================================
   BOUTONS
================================================================ */
@keyframes flash {
  from { opacity:0; left:0%; }
  50%  { opacity:1; }
  to   { opacity:0; left:100%; }
}

.bouton-principal {
  position: relative;
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--sans);
  font-size: 0.82em; font-weight: 600;
  letter-spacing: 1.5px; text-transform: uppercase;
  padding: 14px 32px;
  background: linear-gradient(135deg, var(--v1) 0%, #4834d4 100%);
  color: #fff; border: none; border-radius: 3px;
  overflow: hidden;
  box-shadow: 0 8px 28px var(--v-glow), inset 0 1px 0 rgba(255,255,255,0.12);
  /* Seulement transform + box-shadow — pas filter */
  transition: transform 0.2s var(--ease-spring), box-shadow 0.25s ease;
  will-change: transform;
}
.bouton-principal::before {
  content: ""; display: block; width: 0; height: 100%;
  position: absolute; top: 0; left: 0; opacity: 0;
  background: rgba(255,255,255,0.22);
  box-shadow: 0 0 40px 25px rgba(255,255,255,0.18);
  transform: skewX(-20deg); z-index: 1;
}
.bouton-principal:hover::before { animation: flash 0.45s linear; }
.bouton-principal:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 44px var(--v-glow);
}
.bouton-principal:active { transform: scale(0.97); }

.hero__link-cv {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.82em; font-weight: 500; letter-spacing: 1px;
  text-transform: uppercase; text-decoration: none;
  color: var(--texte2);
  transition: color 0.2s ease;
}
.hero__link-cv i { transition: transform 0.2s ease; will-change: transform; }
.hero__link-cv:hover { color: var(--v1); }
.hero__link-cv:hover i { transform: translateX(4px); }

/* ── Bouton retour en haut ── */
#bouton-haut {
  display: none; position: fixed;
  bottom: 36px; right: 36px; z-index: 99;
  width: 46px; height: 46px;
  background: var(--blanc);
  border: 1px solid var(--bordure2); border-radius: 50%;
  box-shadow: 0 6px 24px rgba(108,92,231,0.12);
  transition: background 0.2s ease, transform 0.2s var(--ease-spring), box-shadow 0.2s ease;
  will-change: transform;
  align-items: center; justify-content: center;
}
#bouton-haut:hover {
  background: var(--v1);
  transform: translateY(-3px) scale(1.06);
  box-shadow: 0 10px 30px var(--v-glow);
}
#bouton-haut:hover svg { fill: #fff; }
#bouton-haut svg { fill: var(--v1); transition: fill 0.2s ease; }

/* ================================================================
   TITRES DE SECTION
================================================================ */
.section-header {
  text-align: center;
  margin-bottom: 70px;
}
.section-label {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 0.7em; font-weight: 600; letter-spacing: 3px;
  text-transform: uppercase; color: var(--v1);
  margin-bottom: 14px;
}
.section-label::before, .section-label::after {
  content: ""; width: 24px; height: 1px; background: var(--v2);
}
.titre-section {
  font-family: var(--serif);
  font-size: 3.2em; font-weight: 300;
  letter-spacing: -1.5px; line-height: 1.05; color: var(--texte);
}
.titre-section em { font-style: italic; color: var(--v1); }

/* ================================================================
   SECTION PROFIL
================================================================ */
.section-profil {
  padding: 130px 0;
  background: var(--off-white);
  position: relative; overflow: hidden;
}
.section-profil::before {
  content: "";
  position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, var(--v1), transparent);
}
/* Texte décoratif "About" — vrai élément HTML pour un z-index fiable */
.section-deco-text {
  position: absolute;
  right: -80px; top: 42%;
  transform: translateY(-50%) rotate(90deg);
  font-family: var(--serif); font-size: 12em; font-weight: 300;
  color: rgba(108,92,231,0.05);
  pointer-events: none; user-select: none;
  letter-spacing: -5px; white-space: nowrap;
  z-index: 0;
}

.profil-container { max-width: 1200px; margin: 0 auto; padding: 0 80px; }

.profil-grid {
  display: grid;
  grid-template-columns: 1fr 80px 1fr;
  align-items: start; margin-bottom: 100px;
  position: relative; z-index: 1;
}
.profil-divider {
  display: flex; flex-direction: column; align-items: center;
  padding-top: 8px;
}
.profil-divider-dot {
  width: 10px; height: 10px; border-radius: 50%; background: var(--v1); flex-shrink: 0;
}
.profil-divider-line {
  width: 1px; flex: 1; min-height: 200px;
  background: linear-gradient(to bottom, var(--v2), transparent);
}

.profil-texte h3 {
  font-family: var(--serif);
  font-size: 1.8em; font-weight: 300; font-style: italic;
  color: var(--texte); margin-bottom: 20px; letter-spacing: -0.5px;
}
.profil-texte p {
  color: var(--texte2); line-height: 1.9; font-size: 0.97em; font-weight: 300;
}
.profil-texte p + p { margin-top: 16px; }

.profil-photo-col {
  display: flex; flex-direction: column; align-items: flex-start; gap: 24px;
}
.profil-photo-col img {
  width: 100%; max-width: 300px; border-radius: 3px; display: block;
  /* Supprimé: filter grayscale + transition filter */
  box-shadow: 20px 30px 60px rgba(108,92,231,0.13);
  transition: transform 0.35s var(--ease-smooth);
  will-change: transform;
}
.profil-photo-col img:hover { transform: scale(1.01); }

.profil-stats { display: flex; flex-direction: column; gap: 16px; width: 100%; }
.profil-stat {
  padding: 16px 20px;
  background: var(--blanc); border: 1px solid var(--bordure);
  border-radius: 3px; border-left: 3px solid var(--v1);
}
.profil-stat-num {
  font-family: var(--serif); font-size: 2em; font-weight: 600;
  color: var(--v1); line-height: 1; letter-spacing: -1px;
}
.profil-stat-label {
  font-size: 0.75em; color: var(--texte3);
  text-transform: uppercase; letter-spacing: 1.5px; margin-top: 3px;
}

.bouton-cv {
  display: inline-flex; align-items: center; gap: 10px;
  margin-top: 28px; position: relative;
  padding: 12px 28px; border: 1px solid var(--v1); border-radius: 3px;
  font-size: 0.78em; font-weight: 600; letter-spacing: 2px; text-transform: uppercase;
  color: var(--v1); background: transparent; text-decoration: none;
  overflow: hidden;
  transition: color 0.3s ease, transform 0.2s var(--ease-smooth);
  will-change: transform;
  z-index: 0;
}
.bouton-cv::before {
  content: ""; display: block; width: 0; height: 100%;
  position: absolute; top: 0; left: 0; opacity: 0;
  background: rgba(255,255,255,0.28);
  box-shadow: 0 0 40px 25px rgba(255,255,255,0.2);
  transform: skewX(-20deg); z-index: 1;
}
.bouton-cv::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(135deg, var(--v1), #4834d4);
  opacity: 0; transition: opacity 0.3s ease; z-index: -1;
}
.bouton-cv:hover { color: #fff; transform: translateY(-1px); }
.bouton-cv:hover::after { opacity: 1; }
.bouton-cv:hover::before { animation: flash 0.45s linear; }

/* ================================================================
   COMPÉTENCES
================================================================ */
.competences-section { padding-top: 60px; border-top: 1px solid var(--bordure); }
.competences-intro {
  text-align: center; font-size: 0.97em; color: var(--texte2);
  line-height: 1.9; max-width: 600px; margin: 0 auto 60px; font-weight: 300;
}
.competences-grille {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 2px; background: var(--bordure);
  border: 1px solid var(--bordure); border-radius: 4px; overflow: hidden;
}

.carte-competence {
  background: var(--blanc); padding: 44px 32px; text-align: center;
  position: relative; overflow: hidden;
  /* Transition sur background + transform uniquement */
  transition: background 0.25s ease, transform 0.25s var(--ease-spring);
  will-change: transform;
  contain: content;
}
.carte-competence::before {
  content: "";
  position: absolute; bottom: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--v1), var(--v2));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s var(--ease-smooth);
  will-change: transform;
}
.carte-competence:hover { background: var(--gris-clair); }
.carte-competence:hover::before { transform: scaleX(1); }

.carte-competence h4 {
  font-family: var(--serif); font-size: 1.3em; font-weight: 400; font-style: italic;
  color: var(--texte); margin-bottom: 24px;
}
.carte-competence .fa-code,
.carte-competence .fa-gear,
.carte-competence .fa-paintbrush {
  display: inline-flex; align-items: center; justify-content: center;
  width: 52px; height: 52px; border-radius: 12px;
  background: var(--gris-clair); color: var(--v1); font-size: 1.3em;
  margin-bottom: 16px; border: 1px solid var(--bordure);
  transition: background 0.2s ease, color 0.2s ease, transform 0.2s var(--ease-spring);
  will-change: transform;
}
.carte-competence:hover .fa-code,
.carte-competence:hover .fa-gear,
.carte-competence:hover .fa-paintbrush {
  background: var(--v1); color: #fff;
  transform: scale(1.08) rotate(-3deg);
}

.competence-liste p {
  font-size: 0.92em; line-height: 2.4; color: var(--texte2);
  display: flex; align-items: center; justify-content: center; gap: 8px;
}
.competence-liste .fa-brands { font-size: 1.2em; }
.competence-liste img { width: 18px; }

/* ================================================================
   SECTION PROJETS
================================================================ */
.section-projets {
  padding: 130px 0;
  background: var(--blanc);
  position: relative;
  border-top: 1px solid var(--bordure);
  overflow: hidden;
  contain: content;
}
.section-projets::before {
  content: "";
  position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, var(--v1), transparent);
}
.section-projets::after {
  content: "Work";
  position: absolute; left: -3%; top: 50%;
  transform: translateY(-50%) rotate(-90deg);
  font-family: var(--serif); font-size: 12em; font-weight: 300;
  color: rgba(108,92,231,0.04);
  pointer-events: none; user-select: none;
  letter-spacing: -5px; white-space: nowrap;
  contain: layout style paint;
}

.projets-container { max-width: 1200px; margin: 0 auto; padding: 0 80px; }

.projets-grille {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 20px;
}
.carte-projet:nth-child(1) { grid-column: span 4; }
.carte-projet:nth-child(2) { grid-column: span 2; }
.carte-projet:nth-child(3) { grid-column: span 2; }
.carte-projet:nth-child(4) { grid-column: span 2; }
.carte-projet:nth-child(5) { grid-column: span 3; }
.carte-projet:nth-child(6) { grid-column: span 3; }

.carte-projet {
  position: relative; border-radius: 4px; overflow: hidden;
  background: var(--gris-clair); border: 1px solid var(--bordure);
  aspect-ratio: 16/10;
  transition: transform 0.3s var(--ease-spring), box-shadow 0.3s ease;
  will-change: transform;
  contain: content;
}
.carte-projet:hover {
  transform: translateY(-5px);
  box-shadow: 0 22px 55px rgba(108,92,231,0.14);
}

.projet-image { width: 100%; height: 100%; position: absolute; inset: 0; }
.projet-image img {
  width: 100%; height: 100%; object-fit: cover; display: block;
  transition: transform 0.45s ease;
  will-change: transform;
  /* Supprimé: filter saturate (paint layer) */
}
.carte-projet:hover .projet-image img { transform: scale(1.05); }

/* Overlay — opacity-only transition, pas de filter */
.projet-infos {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(108,92,231,0.88) 0%, rgba(72,52,212,0.25) 55%, transparent 100%);
  display: flex; flex-direction: column; justify-content: flex-end;
  padding: 24px;
  opacity: 0;
  transition: opacity 0.3s ease;
  will-change: opacity;
}
.carte-projet:hover .projet-infos { opacity: 1; }

.projet-description {
  font-size: 1em; font-weight: 600; color: #fff;
  transform: translateY(8px);
  transition: transform 0.3s var(--ease-smooth);
  will-change: transform;
  margin-bottom: 0;
}
.carte-projet:hover .projet-description { transform: translateY(0); }

.projet-pied {
  display: flex; justify-content: space-between; align-items: center;
  margin-top: 10px;
  transform: translateY(8px);
  transition: transform 0.3s 0.04s var(--ease-smooth);
  will-change: transform;
}
.carte-projet:hover .projet-pied { transform: translateY(0); }

.projet-technos .fa-brands,
.projet-technos .fa-solid {
  font-size: 1.2em; padding-left: 3px; color: rgba(255,255,255,0.85);
}

.lien-projet {
  position: relative;
  display: inline-flex; align-items: center; gap: 5px;
  text-decoration: none; color: #fff;
  font-size: 0.75em; font-weight: 600;
  letter-spacing: 1.5px; text-transform: uppercase;
  padding: 6px 14px;
  border: 1px solid rgba(255,255,255,0.4); border-radius: 2px;
  overflow: hidden;
  transition: background 0.2s ease, border-color 0.2s ease;
}
.lien-projet::after { content: "↗"; font-size: 1.1em; line-height: 1; }
.lien-projet:hover {
  background: rgba(255,255,255,0.18); border-color: rgba(255,255,255,0.7);
}

/* ================================================================
   SECTION CONTACT
================================================================ */
.section-contact {
  padding: 130px 0;
  background: var(--off-white);
  border-top: 1px solid var(--bordure);
  position: relative; overflow: hidden; text-align: center;
  contain: content;
}
.section-contact::before {
  content: "";
  position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, var(--v1), transparent);
}
.section-contact::after {
  content: "";
  position: absolute; bottom: -20%; left: 50%;
  transform: translateX(-50%);
  width: 700px; height: 350px; border-radius: 50%;
  background: radial-gradient(circle, rgba(108,92,231,0.05) 0%, transparent 70%);
  pointer-events: none;
  contain: layout style paint;
}

.contact-container { max-width: 1200px; margin: 0 auto; padding: 0 80px; }
.contact-zone { display: flex; justify-content: center; margin-top: 24px; }

.formulaire-fenetre {
  width: 720px; background: var(--blanc);
  border: 1px solid var(--bordure2); border-radius: 12px;
  box-shadow: 0 2px 0 rgba(255,255,255,0.8) inset, 0 36px 90px rgba(108,92,231,0.11), 0 2px 4px rgba(108,92,231,0.06);
  overflow: hidden; text-align: left;
}
.fenetre-barre {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 20px;
  background: linear-gradient(180deg, rgba(242,240,255,0.98) 0%, rgba(232,228,255,0.95) 100%);
  border-bottom: 1px solid var(--bordure); position: relative;
}
.fenetre-barre-title {
  position: absolute; left: 50%; top: 50%; transform: translate(-50%,-50%);
  font-size: 0.72em; color: var(--texte3); letter-spacing: 0.5px; font-weight: 500;
}
.fenetre-boutons { display: flex; gap: 7px; }
.fenetre-btn {
  width: 12px; height: 12px; border-radius: 50%;
  cursor: default; transition: filter 0.15s ease;
}
.fenetre-btn:hover { filter: brightness(0.85); }
.fenetre-btn.fermer   { background: #ff5f57; }
.fenetre-btn.agrandir { background: #febc2e; }
.fenetre-btn.reduire  { background: #28c840; }
.fenetre-points { display: flex; gap: 4px; align-items: center; }
.fenetre-point { width: 4px; height: 4px; border-radius: 50%; background: var(--texte3); opacity: 0.4; }

.fenetre-corps { display: flex; min-height: 300px; }

.contact-infos {
  flex: 0 0 240px; padding: 50px 38px;
  display: flex; flex-direction: column;
  border-right: 1px solid var(--bordure);
  background: linear-gradient(160deg, rgba(108,92,231,0.04) 0%, transparent 60%);
}
.contact-titre {
  font-family: var(--serif); font-size: 1.6em; font-weight: 300; font-style: italic;
  color: var(--texte); line-height: 1.2; margin-bottom: 6px;
}
.contact-titre strong {
  display: block; font-style: normal; font-weight: 600;
  font-size: 0.85em; letter-spacing: -0.5px;
}
.contact-titre::after {
  content: ""; display: block; width: 32px; height: 2px;
  background: var(--v1); margin-top: 14px; border-radius: 1px;
}
.contact-accroche {
  margin-top: 20px; color: var(--texte2); font-size: 0.88em;
  line-height: 2; font-weight: 300;
}

.contact-liste {
  flex: 1; padding: 40px 34px;
  display: flex; flex-direction: column; gap: 4px; justify-content: center;
}
.contact-ligne {
  display: flex; align-items: center; gap: 14px;
  padding: 12px 16px; border-radius: 6px;
  text-decoration: none; color: var(--texte2); font-size: 0.88em;
  transition: background 0.2s ease, color 0.2s ease, transform 0.2s var(--ease-smooth);
  border: 1px solid transparent; font-weight: 300;
  will-change: transform;
}
.contact-ligne:not(.contact-ligne--info):hover {
  background: var(--gris-clair); color: var(--v1);
  border-color: var(--bordure);
  transform: translateX(5px);
}
.contact-ligne i { color: var(--v1); font-size: 1em; width: 18px; text-align: center; flex-shrink: 0; }
.separateur { font-size: 1.6em; font-weight: 100; margin: 0 8px; }

/* Responsive fenêtre contact */
@media screen and (max-width: 700px) {
  .fenetre-corps { flex-direction: column; }
  .contact-infos { flex: none; border-right: none; border-bottom: 1px solid var(--bordure); padding: 28px 24px; }
  .contact-liste { padding: 24px; }
}

/* ================================================================
   FOOTER
================================================================ */
.pied-de-page {
  background: var(--blanc); border-top: 1px solid var(--bordure);
  padding: 28px 80px; display: flex; justify-content: space-between; align-items: center;
}
.footer-left { display: flex; align-items: center; gap: 16px; }
.footer-logo {
  font-family: var(--serif); font-style: italic; font-weight: 300; font-size: 1.4em;
  color: var(--v1); text-decoration: none;
}
.footer-sep { width: 1px; height: 20px; background: var(--bordure2); }
.pied-copyright { font-size: 0.78em; color: var(--texte3); font-weight: 300; letter-spacing: 0.3px; }
.pied-nom { color: var(--v1); font-weight: 500; }
.pied-separateur { color: var(--texte3); margin: 0 6px; }

/* .pied-de-page .icones-reseaux remplacé par .icones-footer (voir plus haut) */

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