/* ================================================================
   Travaux — DA identique au portfolio Titouan Gaucher
================================================================ */

: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: "Cormorant Garamond", Georgia, serif;
  --sans: "Outfit", 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; font-size: 16px; }
body {
  font-family: var(--sans);
  background: var(--off-white);
  color: var(--texte);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* ── Grain ── */
.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;
  will-change: auto; contain: strict;
}

/* ── Cursor ── */
.cursor {
  position: fixed; width: 8px; height: 8px;
  background: var(--v1); border-radius: 50%;
  pointer-events: none; z-index: 10000;
  top: 0; left: 0; will-change: transform;
}
.cursor.hover {
  width: 14px; height: 14px; background: var(--v2);
  transition: width 0.15s ease, height 0.15s ease, background 0.15s ease;
}

/* ── 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);
  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: 2.2rem; color: var(--v1); line-height: 1;
}
.logo-rest {
  font-family: var(--sans); font-weight: 600; font-size: 1rem;
  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: 0.78rem; 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 ── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  background: var(--off-white);
  padding: 140px 80px 100px;
  text-align: center;
  overflow: hidden;
}
.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;
}
.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__number {
  position: absolute; top: 50%; left: 60px; transform: translateY(-50%);
  font-family: var(--serif); font-size: 20rem; font-weight: 300;
  color: rgba(108,92,231,0.04); line-height: 1;
  pointer-events: none; user-select: none; letter-spacing: -10px;
  contain: layout style paint;
}

.hero__eyebrow {
  display: flex; align-items: center; gap: 14px;
  margin-bottom: 28px; justify-content: center;
}
.hero__eyebrow-line { width: 40px; height: 1px; background: var(--v1); }
.hero__eyebrow-text {
  font-size: 0.75rem; font-weight: 600; letter-spacing: 3px;
  text-transform: uppercase; color: var(--v1);
}

.hero__titre {
  font-family: var(--serif);
  font-size: clamp(4rem, 7vw, 7rem);
  font-weight: 300; line-height: 1.05;
  color: var(--texte); letter-spacing: -3px;
  margin-bottom: 8px;
}
.hero__titre em { font-style: italic; color: var(--v1); }

.hero__tagline {
  font-size: 1.05rem; color: var(--texte2); line-height: 1.7;
  max-width: 500px; margin: 28px auto 48px; font-weight: 300;
  border-left: 2px solid var(--v2); padding-left: 18px; text-align: left;
}

.hero__actions { display: flex; align-items: center; gap: 20px; justify-content: center; }

.hero__scroll-hint {
  margin-top: 64px;
  display: flex; align-items: center; gap: 10px; justify-content: center;
  font-size: 0.7rem; 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; } }

/* ── 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: 0.82rem; font-weight: 600;
  letter-spacing: 1.5px; text-transform: uppercase;
  padding: 15px 34px;
  background: linear-gradient(135deg, var(--v1) 0%, #4834d4 100%);
  color: #fff; border: none; border-radius: 3px; text-decoration: none;
  overflow: hidden;
  box-shadow: 0 8px 28px var(--v-glow), inset 0 1px 0 rgba(255,255,255,0.12);
  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); }

.bouton-outline {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--sans); font-size: 0.82rem; font-weight: 600;
  letter-spacing: 1.5px; text-transform: uppercase; text-decoration: none;
  padding: 15px 34px; border: 2px solid var(--v1); border-radius: 3px;
  color: var(--v1); background: transparent;
  transition: color 0.25s ease, background 0.25s ease, transform 0.2s var(--ease-spring), box-shadow 0.25s ease;
  will-change: transform;
}
.bouton-outline:hover {
  color: #fff;
  background: linear-gradient(135deg, var(--v1) 0%, #4834d4 100%);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px var(--v-glow);
}

/* ── TITRES DE SECTION ── */
.section-header { text-align: center; margin-bottom: 70px; }
.section-label {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 0.72rem; 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: 3.8rem; font-weight: 300;
  letter-spacing: -2px; line-height: 1.05; color: var(--texte);
}
.titre-section em { font-style: italic; color: var(--v1); }
.sous-titre-section {
  font-size: 0.95rem; color: var(--texte2); font-weight: 300; margin-top: 14px;
}

/* ── SECTIONS TRAVAUX ── */
.section-travaux {
  padding: 130px 0;
  background: var(--off-white);
  position: relative; overflow: hidden;
}
.section-travaux:nth-of-type(even) { background: var(--blanc); }
.section-travaux::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, var(--v1), transparent);
}

.section-deco {
  position: absolute; right: -80px; top: 42%;
  transform: translateY(-50%) rotate(90deg);
  font-family: var(--serif); font-size: 12rem; 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;
}

.travaux-container {
  max-width: 1200px; margin: 0 auto; padding: 0 80px;
  position: relative; z-index: 1;
}

/* ── GRILLE SÉQUENCES ── */
.sequences-grille {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.carte-sequence {
  position: relative; border-radius: 4px; overflow: hidden;
  background: var(--blanc); border: 1px solid var(--bordure);
  padding: 44px 36px 36px;
  min-height: 200px;
  transition: transform 0.3s var(--ease-spring), box-shadow 0.3s ease, border-color 0.25s ease;
  will-change: transform;
  text-decoration: none; color: inherit;
  display: flex; flex-direction: column; gap: 20px;
}
.carte-sequence::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-sequence:hover {
  transform: translateY(-5px);
  box-shadow: 0 22px 55px rgba(108,92,231,0.14);
  border-color: var(--bordure2);
}
.carte-sequence:hover::before { transform: scaleX(1); }

.carte-sequence__num {
  font-family: var(--serif); font-size: 5rem; font-weight: 300;
  color: rgba(108,92,231,0.08); line-height: 1;
  position: absolute; top: 14px; right: 22px;
  letter-spacing: -3px; user-select: none;
}
.carte-sequence__icon {
  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: 1.3rem;
  border: 1px solid var(--bordure);
  transition: background 0.2s ease, color 0.2s ease, transform 0.2s var(--ease-spring);
  will-change: transform;
}
.carte-sequence:hover .carte-sequence__icon {
  background: var(--v1); color: #fff;
  transform: scale(1.08) rotate(-3deg);
}

.carte-sequence__titre {
  font-family: var(--serif); font-size: 1.6rem; font-weight: 400; font-style: italic;
  color: var(--texte); line-height: 1.2;
}

.carte-sequence__lien {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 0.75rem; font-weight: 600; letter-spacing: 1.5px;
  text-transform: uppercase; color: var(--v1);
  margin-top: auto;
  transition: gap 0.2s ease;
}
.carte-sequence:hover .carte-sequence__lien { gap: 10px; }
.carte-sequence__lien i { font-size: 0.9rem; }

/* ── 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: 1.4rem; color: var(--v1); text-decoration: none;
}
.footer-sep { width: 1px; height: 20px; background: var(--bordure2); }
.pied-copyright { font-size: 0.78rem; color: var(--texte3); font-weight: 300; letter-spacing: 0.3px; }
.pied-nom { color: var(--v1); font-weight: 500; }

.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: 1.1rem; 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);
}

/* ── SCROLL REVEAL ── */
.scroll {
  opacity: 0; transform: translateY(40px);
  transition: opacity 0.9s var(--ease-smooth), transform 0.9s var(--ease-smooth);
}
.scroll.show { opacity: 1; transform: translateY(0); }

.sequences-grille .carte-sequence:nth-child(1) { transition-delay: 0s; }
.sequences-grille .carte-sequence:nth-child(2) { transition-delay: 0.08s; }
.sequences-grille .carte-sequence:nth-child(3) { transition-delay: 0.16s; }
.sequences-grille .carte-sequence:nth-child(4) { transition-delay: 0.24s; }
.sequences-grille .carte-sequence:nth-child(5) { transition-delay: 0.32s; }

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  .sequences-grille { grid-template-columns: repeat(2, 1fr); }
  .travaux-container { padding: 0 40px; }
  .en-tete { padding: 0 30px; }
  .hero { padding: 120px 40px 80px; }
  .pied-de-page { padding: 24px 30px; }
}
@media (max-width: 600px) {
  .sequences-grille { grid-template-columns: 1fr; }
  .travaux-container { padding: 0 20px; }
  .en-tete { padding: 0 20px; }
  .hero { padding: 110px 20px 70px; }
  .hero__number { display: none; }
  .pied-de-page { padding: 20px; flex-direction: column; gap: 16px; text-align: center; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .scroll { opacity: 1; transform: none; }
}