/* ============================================
   NautiPro — Animations (light, vanilla)
   ============================================ */

/* Reveal stagger */
[data-reveal-delay="1"] { transition-delay: 80ms; }
[data-reveal-delay="2"] { transition-delay: 160ms; }
[data-reveal-delay="3"] { transition-delay: 240ms; }
[data-reveal-delay="4"] { transition-delay: 320ms; }

/* Filet brass extend on reveal */
.rule-grow {
  position: relative;
  overflow: hidden;
}
.rule-grow::after {
  content: "";
  position: absolute;
  left: 0; right: 100%;
  bottom: 0;
  height: 1px;
  background: var(--brass);
  transition: right 800ms cubic-bezier(.16,1,.3,1);
}
.rule-grow.is-revealed::after { right: 0; }

/* Hero subtle parallax (no JS — pure CSS via transform on scroll) */
@media (hover: hover) {
  .hero__media { transform: translateZ(0); will-change: transform; }
}

/* Underline link */
.link-underline {
  position: relative;
  color: var(--brass);
  text-decoration: none;
  padding-bottom: 2px;
}
.link-underline::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  background: rgba(193, 127, 89,0.4);
  transition: background var(--t-base);
}
.link-underline:hover::after { background: var(--brass-deep); }

/* Subtle noise overlay (for hero abyss page) */
.noise-overlay::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 0.03 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  opacity: 0.5;
  pointer-events: none;
  mix-blend-mode: overlay;
}

/* ============================================================
   VAGUE 1 — SIGNATURE IDENTITAIRE (sprint 2026-06-04)
   « Le Relèvement » (carte marine, pendant diurne du radar)
   + Grain Méditerranée. Tokens existants uniquement.
   ============================================================ */

/* Hero proof point — sous-titre discret (point 6) */
.hero__proof {
  margin-top: 18px;
  font-family: var(--font-sans);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ivory-muted);
}
.section--ivory .hero__proof,
.section--ivory-2 .hero__proof { color: var(--brass-deep); }

/* Hero à fond vidéo : le bas du hero bleed vers l'ivoire → texte clair illisible.
   On force un brass foncé + halo discret pour tenir quelle que soit la frame vidéo. */
.has-hero-bleed .hero__proof {
  color: var(--brass-deep);
  text-shadow: 0 1px 16px rgba(247, 243, 236, 0.55);
}
.has-hero-bleed .hero__eyebrow {
  text-shadow: 0 1px 14px rgba(5, 30, 54, 0.28);
}

/* --- Le Relèvement : losange cardinal creux laiton réutilisable --- */
.brass-lozenge {
  width: 6px; height: 6px;
  border: 1px solid var(--brass);
  background: transparent;
  transform: rotate(45deg);
  display: inline-block;
  flex: 0 0 auto;
}

/* (b) Séparateur de section « carte marine » :
   ligne pointillée + losange cardinal creux centré.
   Remplace les <hr class="rule--brass-40"> sans casser le markup. */
.rule--chart {
  width: clamp(120px, 22vw, 220px);
  height: 12px;
  border: 0;
  margin: 32px auto;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
}
.rule--chart::before {
  content: "";
  position: absolute;
  left: 0; right: 0; top: 50%;
  height: 0;
  border-top: 1px dashed var(--brass);
  opacity: 0.55;
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 800ms cubic-bezier(.16,1,.3,1);
}
.rule--chart.is-revealed::before,
.no-reveal .rule--chart::before { transform: scaleX(1); }
.rule--chart::after {
  content: "";
  position: relative;
  z-index: 1;
  width: 6px; height: 6px;
  border: 1px solid var(--brass);
  background: var(--abyss);
  transform: rotate(45deg);
}
.section--ivory .rule--chart::after,
.section--ivory-2 .rule--chart::after,
.section--pearl .rule--chart::after { background: var(--ivory); }

/* (a) Chiffres clés : le trait plat devient un mini-système de
   coordonnées (horizontale pointillée + courte verticale + losange).
   On augmente .big-number__rule sans toucher au HTML. */
.big-number__rule {
  width: 60px;
  height: 12px;
  background: none !important;
  margin-bottom: 16px;
  position: relative;
  overflow: visible;
}
.big-number__rule::before {
  content: "";
  position: absolute;
  left: 0; right: 0; top: 50%;
  border-top: 1px dashed var(--brass-soft);
  opacity: 0.7;
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 800ms cubic-bezier(.16,1,.3,1);
}
[data-reveal].is-revealed .big-number__rule::before,
.big-numbers.is-revealed .big-number__rule::before { transform: scaleX(1); }
.big-number__rule::after {
  content: "";
  position: absolute;
  left: 50%; top: 50%;
  width: 5px; height: 5px;
  margin: -2.5px 0 0 -2.5px;
  border: 1px solid var(--brass-soft);
  background: var(--abyss);
  transform: rotate(45deg);
  box-shadow: 0 -7px 0 -3px var(--brass-soft), 0 7px 0 -3px var(--brass-soft);
}
.section--ivory .big-number__rule::before,
.section--ivory-2 .big-number__rule::before,
.section--pearl .big-number__rule::before { border-top-color: var(--brass); }
.section--ivory .big-number__rule::after,
.section--ivory-2 .big-number__rule::after,
.section--pearl .big-number__rule::after {
  border-color: var(--brass);
  background: var(--ivory);
  box-shadow: 0 -7px 0 -3px var(--brass), 0 7px 0 -3px var(--brass);
}

/* Force trace immédiate si pas d'IntersectionObserver (fallback JS off) */
.no-reveal .big-number__rule::before { transform: scaleX(1); }

/* --- Le Grain Méditerranée : texture vélin/carte marine ---
   feTurbulence SVG inline (0 octet réseau), overlay 2.5%. */
.section--ivory,
.section--ivory-2,
.section--pearl,
.section--abyss,
.section--midnight,
.section--dense {
  position: relative;
}
.section--ivory::after,
.section--ivory-2::after,
.section--pearl::after,
.section--abyss::after,
.section--midnight::after,
.section--dense::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  mix-blend-mode: overlay;
  opacity: 0.025;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='g'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23g)'/%3E%3C/svg%3E");
  background-size: 160px 160px;
}
/* le grain reste DERRIÈRE le contenu (z-index:0) ; on remonte le contenu */
.section--ivory > *,
.section--ivory-2 > *,
.section--pearl > *,
.section--abyss > *,
.section--midnight > *,
.section--dense > * { position: relative; z-index: 1; }

@media (prefers-reduced-motion: reduce) {
  .rule--chart::before,
  .big-number__rule::before { transition: none; transform: scaleX(1); }
}