/* ─── HERO ─────────────────────────────────────────── */
.hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  background: var(--noir);
}

.hero-video-wrap {
  position: absolute;
  inset: 0;
  overflow: hidden;
}
.hero-iframe {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 177.8vh;
  height: 100vh;
  min-width: 100%;
  min-height: 56.25vw;
  pointer-events: none;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(13,13,13,0.85) 0%,
    rgba(13,13,13,0.3) 50%,
    rgba(13,13,13,0.1) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 2;
  padding: 0 48px 80px;
  max-width: 900px;
  animation: heroIn 1s ease 0.2s both;
}
@keyframes heroIn {
  from { opacity: 0; transform: translateY(32px); }
  to   { opacity: 1; transform: translateY(0); }
}

.hero-index {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--rouge);
  margin-bottom: 24px;
}

.hero-title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(64px, 10vw, 130px);
  line-height: 0.92;
  letter-spacing: -0.01em;
  color: var(--blanc);
  text-transform: uppercase;
  margin-bottom: 28px;
}
.hero-title .line { display: block; }
.hero-title .red { color: var(--rouge); }

.hero-title .line:nth-child(1) { animation: lineIn 0.8s ease 0.3s both; }
.hero-title .line:nth-child(2) { animation: lineIn 0.8s ease 0.45s both; }
.hero-title .line:nth-child(3) { animation: lineIn 0.8s ease 0.6s both; }
.hero-title .line:nth-child(4) { animation: lineIn 0.8s ease 0.75s both; }
@keyframes lineIn {
  from { opacity: 0; transform: translateX(-20px); }
  to   { opacity: 1; transform: translateX(0); }
}

.hero-sub {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: rgba(245,243,239,0.6);
  text-transform: uppercase;
  margin-bottom: 40px;
  animation: heroIn 0.8s ease 0.9s both;
}

.hero-cta { animation: heroIn 0.8s ease 1.1s both; }
.btn.hero-cta { border-color: var(--blanc); color: var(--blanc); }
.btn.hero-cta:hover { color: var(--blanc); }

/* SCROLL HINT */
.hero-scroll-hint {
  position: absolute;
  bottom: 40px;
  right: 48px;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  animation: heroIn 1s ease 1.4s both;
}
.hero-scroll-hint span {
  font-size: 9px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(245,243,239,0.4);
  writing-mode: vertical-rl;
}
.scroll-line {
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, rgba(245,243,239,0.4), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}
@keyframes scrollPulse {
  0%, 100% { transform: scaleY(1); opacity: 1; }
  50% { transform: scaleY(0.5); opacity: 0.4; }
}

/* ─── INDEX GRID ────────────────────────────────────── */
.index-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-top: 1px solid var(--gris-clair);
  margin-top: 0;
}

.index-item {
  padding: 64px 48px;
  border-right: 1px solid var(--gris-clair);
  border-bottom: 1px solid var(--gris-clair);
  position: relative;
  transition: background 0.3s;
}
.index-item:nth-child(even) { border-right: none; }
.index-item:hover { background: rgba(217,78,0,0.03); }

.idx-num {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 72px;
  color: var(--gris-clair);
  line-height: 1;
  display: block;
  margin-bottom: 24px;
  transition: color 0.3s;
}
.index-item:hover .idx-num { color: var(--rouge); }

.idx-content h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 32px;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.idx-content p {
  font-size: 13px;
  color: var(--gris-mid);
  line-height: 1.7;
  margin-bottom: 24px;
  max-width: 320px;
}
.idx-content a {
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--noir);
  text-decoration: none;
  border-bottom: 1px solid var(--noir);
  padding-bottom: 2px;
  transition: color 0.2s, border-color 0.2s;
}
.idx-content a:hover { color: var(--rouge); border-color: var(--rouge); }

@media (max-width: 768px) {
  .hero-content { padding: 0 24px 64px; }
  .hero-scroll-hint { display: none; }
  .index-grid { grid-template-columns: 1fr; }
  .index-item { border-right: none; padding: 40px 24px; }
  .idx-num { font-size: 48px; }
}