/* ─── SKIP LINK ─────────────────────────────────────── */
.skip-link {
  position: absolute;
  top: -100px;
  left: 24px;
  z-index: 100;
  padding: 12px 18px;
  background: var(--gold);
  color: #050810;
  font-size: 12px;
  letter-spacing: 0.18em;
  font-weight: 600;
  text-transform: uppercase;
  transition: top 0.25s ease;
}
.skip-link:focus {
  top: 24px;
}

/* ─── ATMOSPHERIC BACKGROUND ────────────────────────── */
.stage {
  position: relative;
  background:
    radial-gradient(1200px 700px at 70% -10%, rgba(217, 168, 90, 0.06), transparent 60%),
    radial-gradient(900px 600px at 10% 110%, rgba(95, 212, 208, 0.04), transparent 60%),
    linear-gradient(180deg, #03050b 0%, #050810 30%, #050810 70%, #03050b 100%);
}

.stars {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.55;
  background-image:
    radial-gradient(1px 1px at 12% 18%, #fff, transparent 50%),
    radial-gradient(1px 1px at 22% 42%, #fff, transparent 50%),
    radial-gradient(1px 1px at 35% 8%, rgba(255, 255, 255, 0.6), transparent 50%),
    radial-gradient(1px 1px at 48% 30%, #fff, transparent 50%),
    radial-gradient(1px 1px at 63% 12%, rgba(255, 255, 255, 0.7), transparent 50%),
    radial-gradient(1.5px 1.5px at 78% 22%, #fff, transparent 50%),
    radial-gradient(1px 1px at 88% 6%, rgba(255, 255, 255, 0.5), transparent 50%),
    radial-gradient(1px 1px at 92% 38%, #fff, transparent 50%),
    radial-gradient(1px 1px at 6% 55%, rgba(255, 255, 255, 0.4), transparent 50%),
    radial-gradient(1px 1px at 30% 60%, rgba(255, 255, 255, 0.5), transparent 50%),
    radial-gradient(1px 1px at 55% 50%, rgba(255, 255, 255, 0.4), transparent 50%),
    radial-gradient(1px 1px at 72% 58%, rgba(255, 255, 255, 0.5), transparent 50%);
}

.grain {
  position: absolute;
  inset: 0;
  pointer-events: none;
  mix-blend-mode: overlay;
  opacity: 0.06;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='240' height='240'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 0.6 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
}

/* ─── SECTION ATOMS ─────────────────────────────────── */
section {
  position: relative;
}

.section-eyebrow {
  font-family: var(--serif);
  letter-spacing: 0.5em;
  font-size: 16px;
  font-weight: 500;
  text-transform: uppercase;
  color: var(--ink);
  text-align: center;
}
.section-eyebrow::after {
  content: '';
  display: block;
  width: 38px;
  height: 1px;
  background: var(--gold);
  margin: 14px auto 0;
}
.section-sub {
  text-align: center;
  color: var(--ink-dim);
  font-size: 17px;
  letter-spacing: 0.05em;
  margin-top: 18px;
  font-weight: 300;
}

/* ─── ACCESSIBILITÉ ─────────────────────────────────── */
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 4px;
  border-radius: 2px;
}
.cta:focus-visible {
  outline-offset: 6px;
}
.nav-links a:focus-visible {
  outline-offset: 6px;
}