/* ═══════════════════════════════════════════════
   Nautime — Styles spécifiques index.html
   ═══════════════════════════════════════════════ */

/* ─── HERO ─── */
.hero {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  min-height: 100vh;
  border-bottom: 1px solid var(--border);
}
.hero-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 8rem 3rem 4rem;
}
.hero-eyebrow { margin-bottom: 2rem; }
.hero-title {
  font-size: clamp(2.2rem, 4.2vw, 3.8rem);
  font-weight: 300;
  line-height: 1.12;
  margin-bottom: 1.8rem;
  letter-spacing: -0.02em;
}
.line { display: block; overflow: hidden; }
.line-in { display: block; will-change: transform; }
.hero-sub {
  font-size: 0.9rem;
  color: var(--muted);
  max-width: 400px;
  line-height: 1.75;
  margin-bottom: 2.5rem;
}
.hero-cta { margin-bottom: 0; }
.hero-visual {
  position: relative;
  overflow: hidden;
  background: var(--surface);
}
.hero-visual video,
.hero-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
  will-change: transform;
}

/* ─── MARQUEE ─── */
.marquee {
  overflow: hidden;
  border-bottom: 1px solid var(--border);
  padding: 1.2rem 0;
  white-space: nowrap;
}
.marquee-track {
  display: inline-flex;
  gap: 3rem;
  will-change: transform;
}
.marquee-item {
  font-size: clamp(1.1rem, 2vw, 1.6rem);
  font-weight: 300;
  color: var(--border);
  display: flex;
  align-items: center;
  gap: 3rem;
  flex-shrink: 0;
  letter-spacing: 0.03em;
}
.marquee-sep {
  width: 5px; height: 5px;
  background: var(--gold);
  flex-shrink: 0;
}

/* ─── ADVANTAGE BLOCKS ─── */
.advantage-block {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 0;
  border-top: 1px solid var(--border);
  min-height: 500px;
}
.advantage-block.reverse {
  grid-template-columns: 1.5fr 1fr;
}
.advantage-block.reverse .advantage-text { order: 2; }
.advantage-block.reverse .advantage-img  { order: 1; }

.advantage-text {
  padding: 4rem 3rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.advantage-title {
  font-size: clamp(1.4rem, 2.5vw, 2rem);
  font-weight: 300;
  line-height: 1.2;
  margin: 1.2rem 0;
  letter-spacing: -0.01em;
}
.advantage-desc {
  font-size: 0.88rem;
  color: var(--muted);
  line-height: 1.75;
  max-width: 420px;
}
.advantage-img {
  position: relative;
  overflow: hidden;
  background: var(--surface);
}
.advantage-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top left;
  transition: transform 0.8s var(--ease-expo);
  will-change: transform;
}
.advantage-block:hover .advantage-img img {
  transform: scale(1.02);
}

/* ─── IA SECTION ─── */
.ia-showcase {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid var(--border);
  margin-bottom: 4rem;
}
.ia-feature {
  padding: 3rem 2.5rem;
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.ia-feature:last-child { border-right: none; }
.ia-number {
  font-size: clamp(3rem, 5vw, 4rem);
  font-weight: 300;
  color: var(--border);
  line-height: 1;
  margin-bottom: 1.5rem;
  font-variant-numeric: tabular-nums;
  transition: color 0.5s;
}
.ia-feature:hover .ia-number { color: var(--gold); }
.ia-title {
  font-size: 1.1rem;
  font-weight: 400;
  margin-bottom: 1rem;
}
.ia-desc {
  font-size: 0.85rem;
  color: var(--muted);
  line-height: 1.75;
}

.ia-visual {
  overflow: hidden;
  border: 1px solid var(--border);
}
.ia-visual video,
.ia-visual img {
  width: 100%;
  height: auto;
  display: block;
}

/* ─── PROCESS ─── */
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  position: relative;
}
.process-line {
  position: absolute;
  top: 32px;
  left: 12.5%;
  right: 12.5%;
  height: 1px;
  background: var(--border);
}
.process-line-fill {
  position: absolute;
  top: 0; left: 0;
  width: 0; height: 100%;
  background: var(--gold);
  will-change: width;
}
.process-step {
  text-align: center;
  padding: 0 1.5rem;
  position: relative;
  will-change: transform, opacity;
}
.process-number {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 2.5rem;
  font-size: 0.9rem;
  font-weight: 300;
  letter-spacing: 0.05em;
  border: 1px solid var(--border);
  background: var(--bg);
  position: relative;
  z-index: 2;
  transition: border-color 0.6s, color 0.6s;
}
.process-step.lit .process-number {
  border-color: var(--gold);
  color: var(--gold);
}
.process-title {
  font-size: 1rem;
  font-weight: 400;
  margin-bottom: 0.8rem;
}
.process-desc {
  font-size: 0.82rem;
  color: var(--muted);
  line-height: 1.65;
}

/* ─── BLOG CARDS (homepage) ─── */
.blog-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem;
  margin-bottom: 3rem;
}
.blog-card {
  display: flex;
  flex-direction: column;
}
.blog-card-img {
  overflow: hidden;
  aspect-ratio: 16 / 10;
  margin-bottom: 1.5rem;
}
.blog-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease-expo);
}
.blog-card:hover .blog-card-img img {
  transform: scale(1.03);
}
.blog-card-cat {
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.75rem;
}
.blog-card-title {
  font-size: 1.05rem;
  font-weight: 400;
  line-height: 1.35;
  margin-bottom: 0.75rem;
  letter-spacing: -0.01em;
}
.blog-card-excerpt {
  font-size: 0.82rem;
  color: var(--muted);
  line-height: 1.7;
  margin-bottom: 1.2rem;
  flex-grow: 1;
}
.blog-card-link {
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: gap 0.4s var(--ease-expo), color 0.3s;
}
.blog-card:hover .blog-card-link {
  gap: 0.8rem;
  color: var(--gold);
}
.blog-more {
  text-align: center;
  margin-top: 1rem;
}

/* ─── CTA ─── */
.cta-section {
  padding: 10rem 3rem;
  text-align: center;
  border-top: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}
.cta-bg-word {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  font-size: 14vw;
  font-weight: 300;
  text-transform: uppercase;
  color: var(--fg);
  opacity: 0.025;
  pointer-events: none;
  white-space: nowrap;
  will-change: transform;
  letter-spacing: -0.03em;
}
.cta-title {
  font-size: clamp(1.8rem, 3.5vw, 3rem);
  font-weight: 300;
  margin-bottom: 1.5rem;
  line-height: 1.15;
  position: relative;
}
.cta-sub {
  font-size: 0.9rem;
  color: var(--muted);
  max-width: 460px;
  margin: 0 auto 3rem;
  line-height: 1.75;
  position: relative;
}

/* ─── RESPONSIVE TABLET ─── */
@media (max-width: 1024px) {
  .blog-cards { grid-template-columns: repeat(2, 1fr); }

  .ia-showcase { grid-template-columns: 1fr; }
  .ia-feature { border-right: none; }

  .advantage-block,
  .advantage-block.reverse {
    grid-template-columns: 1fr;
  }
  .advantage-block.reverse .advantage-text { order: 1; }
  .advantage-block.reverse .advantage-img  { order: 2; }
  .advantage-img { height: 400px; }
}

/* ─── RESPONSIVE MOBILE ─── */
@media (max-width: 768px) {
  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
  }
  .hero-visual { height: 45vh; order: -1; }
  .hero-content { padding: 2rem 1.5rem 3rem; }

  .advantage-block,
  .advantage-block.reverse {
    grid-template-columns: 1fr;
    min-height: auto;
  }
  .advantage-text { padding: 2.5rem 1.5rem; }
  .advantage-img { height: 300px; }

  .process-grid { grid-template-columns: 1fr 1fr; gap: 2.5rem 1rem; }
  .process-line { display: none; }

  .blog-cards { grid-template-columns: 1fr; gap: 3rem; }

  .cta-section { padding: 5rem 1.5rem; }
}