/* =========================================================
   HERO SLIDER — v25.0 "Global Passage"
   Wavion Lanka — Premium Sri Lankan Tour Operator
   Consumes design tokens from main.css exclusively:
   colors, gradients, fonts, spacing, radius, shadow, z-index.
   No new hex values are introduced here.
   ========================================================= */

.ac-hero {
  position: relative;
  width: 100%;
  min-height: clamp(440px, 62svh, 640px);
  overflow: hidden;
  background: var(--color-navy-abyss);
  isolation: isolate;
}

/* ── LAYER 1/2 — background slides + video ───────────────── */
.ac-hero__slides {
  position: absolute;
  inset: 0;
  z-index: var(--z-index-0);
  transition: opacity 600ms ease;
}

.ac-hero__slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transition: opacity 900ms ease;
}

.ac-hero__slide.ac-slide--active { opacity: 1; }

.ac-hero__slides.ac-slides--retired { opacity: 0; pointer-events: none; }

.ac-hero__video {
  position: absolute;
  inset: 0;
  z-index: var(--z-index-0);
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 900ms ease;
}

.ac-hero__video.ac-video--ready { opacity: 1; }

/* ── LAYER 3 — light global overlays: keep footage visible ──
   These are intentionally subtle. Legibility for text comes
   from the dedicated stage scrim below, not from these. ──── */
.ac-hero__overlay { position: absolute; inset: 0; z-index: var(--z-index-10); pointer-events: none; }

.ac-hero__overlay--cinematic {
  background: linear-gradient(
    180deg,
    rgba(var(--color-navy-rgb), 0.55) 0%,
    rgba(var(--color-navy-rgb), 0.08) 22%,
    rgba(var(--color-navy-rgb), 0.02) 50%,
    rgba(var(--color-navy-rgb), 0.18) 78%,
    rgba(var(--color-navy-rgb), 0.50) 100%
  );
}

.ac-hero__overlay--vignette {
  background: radial-gradient(
    ellipse at 50% 50%,
    rgba(var(--color-navy-rgb), 0) 45%,
    rgba(var(--color-navy-rgb), 0.35) 100%
  );
}

.ac-hero__overlay--sheen {
  background: linear-gradient(115deg, var(--color-gold-glow-sm) 0%, transparent 28%);
  mix-blend-mode: overlay;
  opacity: 0.5;
}

/* ── LAYER 4 — noise texture ──────────────────────────────── */
.ac-hero__noise {
  position: absolute;
  inset: 0;
  z-index: var(--z-index-10);
  opacity: 0.035;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  mix-blend-mode: overlay;
}

/* ── LAYER 5 — gallery frame ──────────────────────────────── */
.ac-hero__frame { position: absolute; top: calc(var(--tt-header-h, 100px) + var(--tt-util-h, 48px) + var(--spacing-6)); left: var(--spacing-6); right: var(--spacing-6); bottom: var(--spacing-6); z-index: var(--z-index-20); pointer-events: none; transition: top .3s ease; }

.ac-hero__frame-corner { position: absolute; width: 34px; height: 34px; }
.ac-hero__frame-corner--tl { top: 0; left: 0; border-top: 1px solid var(--color-gold); border-left: 1px solid var(--color-gold); opacity: 0.55; }
.ac-hero__frame-corner--tr { top: 0; right: 0; border-top: 1px solid var(--color-gold); border-right: 1px solid var(--color-gold); opacity: 0.55; }
.ac-hero__frame-corner--bl { bottom: 0; left: 0; border-bottom: 1px solid var(--color-gold); border-left: 1px solid var(--color-gold); opacity: 0.55; }
.ac-hero__frame-corner--br { bottom: 0; right: 0; border-bottom: 1px solid var(--color-gold); border-right: 1px solid var(--color-gold); opacity: 0.55; }

/* ── LAYER 6 — content stage (bottom-anchored, asymmetric) ── */
.ac-hero__stage {
  position: relative;
  z-index: var(--z-index-30);
  min-height: clamp(440px, 62svh, 640px);
  display: flex;
  align-items: flex-end;
  padding: var(--spacing-14) var(--spacing-16) var(--spacing-20) var(--spacing-16);
}

.ac-hero__stage-inner {
  position: relative;
  z-index: var(--z-index-10);
  max-width: 760px;
  width: 100%;
}

/* Eyebrow — hidden per request: in practice this small kicker line was
   rendering up near the top of the hero (clashing with the header)
   whenever the headline text below it ran long enough to push the
   bottom-anchored content stack taller than the stage itself. Removed
   outright rather than patched, as requested. The headline, rule,
   description, stats and CTAs below are unaffected. */
.ac-hero__eyebrow { display: none; }

.ac-hero__eyebrow-gem { color: var(--color-gold); font-size: 0.65em; }

/* Headline row with gold spine */
.ac-hero__headline-row {
  display: flex;
  align-items: stretch;
  gap: var(--spacing-5);
  margin-bottom: var(--spacing-5);
  opacity: 0;
  transform: translateY(18px);
}

.ac-hero__spine {
  flex: 0 0 3px;
  width: 3px;
  border-radius: var(--radius-full);
  background: linear-gradient(180deg, var(--color-gold) 0%, var(--color-gold-dark) 100%);
  box-shadow: var(--shadow-gold);
}

.ac-hero__headline {
  font-family: var(--font-display);
  font-weight: var(--font-weight-semibold);
  font-size: clamp(2.1rem, 4.2vw, var(--text-8xl));
  line-height: 1.08;
  color: var(--text-white);
  letter-spacing: -0.01em;
  text-shadow:
    0 1px 2px rgba(var(--color-navy-rgb), 0.9),
    0 4px 14px rgba(var(--color-navy-rgb), 0.75),
    0 12px 40px rgba(var(--color-navy-rgb), 0.55);
}

/* Gold rule */
.ac-hero__rule {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  margin-bottom: var(--spacing-5);
  opacity: 0;
  transform: translateY(14px);
}

.ac-hero__rule-line { width: 46px; height: 1px; background: var(--color-gold); opacity: 0.7; }
.ac-hero__rule-line--short { width: 18px; }
.ac-hero__rule-diamond { color: var(--color-gold); font-size: 0.6rem; }

/* Description */
.ac-hero__desc {
  font-family: var(--font-primary);
  font-size: var(--text-lg);
  line-height: 1.65;
  color: var(--color-white-90);
  text-shadow: 0 1px 3px rgba(var(--color-navy-rgb), 0.85), 0 4px 18px rgba(var(--color-navy-rgb), 0.6);
  max-width: 58ch;
  margin: 0 0 var(--spacing-7);
  opacity: 0;
  transform: translateY(16px);
}

/* Stats strip */
.ac-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-3);
  margin-bottom: var(--spacing-8);
  opacity: 0;
  transform: translateY(16px);
}

.ac-hero__stat {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-2-5);
  padding: var(--spacing-2-5) var(--spacing-4);
  border-radius: var(--radius-full);
  background: rgba(var(--color-navy-rgb), 0.55);
  border: 1px solid var(--color-white-18);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  box-shadow: var(--shadow-sm);
}

.ac-hero__stat-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: var(--radius-full);
  background: var(--gradient-gold);
  color: var(--color-navy-deep);
  font-size: 0.72rem;
  flex: 0 0 auto;
}

.ac-hero__stat-label {
  font-family: var(--font-primary);
  font-size: var(--text-sm);
  font-weight: var(--font-weight-medium);
  color: var(--text-white);
  white-space: nowrap;
}

/* CTAs */
.ac-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-4);
  margin-bottom: var(--spacing-8);
  opacity: 0;
  transform: translateY(16px);
}

.ac-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-2-5);
  padding: var(--spacing-4) var(--spacing-7);
  border-radius: var(--radius-full);
  font-family: var(--font-primary);
  font-size: var(--text-base);
  font-weight: var(--font-weight-semibold);
  text-decoration: none;
  letter-spacing: 0.01em;
  transition: var(--transition-premium);
}

.ac-btn--gold {
  background: var(--gradient-gold);
  color: var(--color-navy-deep);
  box-shadow: var(--shadow-gold);
}

.ac-btn--gold:hover {
  background: var(--gradient-gold-hover);
  box-shadow: var(--shadow-gold-lg);
  transform: translateY(-2px);
}

.ac-btn__arrow { transition: var(--transition-base); }
.ac-btn--gold:hover .ac-btn__arrow { transform: translateX(4px); }

.ac-btn--ghost {
  background: rgba(var(--color-navy-rgb), 0.55);
  color: var(--text-white);
  border: 1px solid var(--color-white-30);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.ac-btn--ghost:hover {
  background: rgba(var(--color-navy-rgb), 0.7);
  border-color: var(--color-white-50);
  transform: translateY(-2px);
}

/* Media controls row */
.ac-hero__media-row {
  display: flex;
  align-items: center;
  gap: var(--spacing-5);
  opacity: 0;
  transform: translateY(16px);
}

.ac-hero__media-pill {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-1);
  padding: var(--spacing-1-5);
  border-radius: var(--radius-full);
  background: rgba(var(--color-navy-rgb), 0.55);
  border: 1px solid var(--color-white-18);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.ac-hero__media-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: var(--radius-full);
  background: transparent;
  border: none;
  color: var(--text-white);
  cursor: pointer;
  font-size: 0.8rem;
  transition: var(--transition-fast);
}

.ac-hero__media-btn:hover { background: var(--color-gold-bg-hover); color: var(--color-gold-light); }

.ac-hero__media-divider { width: 1px; height: 18px; background: var(--color-white-20); }

.ac-hero__slide-progress {
  position: relative;
  width: 90px;
  height: 3px;
  border-radius: var(--radius-full);
  background: var(--color-white-18);
  overflow: hidden;
}

.ac-hero__slide-progress-fill {
  position: absolute;
  inset: 0;
  width: 0%;
  background: var(--gradient-gold);
  border-radius: var(--radius-full);
}

.ac-hero__slide-counter {
  font-family: var(--font-primary);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--color-white-70);
  text-shadow: 0 1px 4px rgba(var(--color-navy-rgb), 0.8);
}

.ac-hero__slide-cur { color: var(--color-gold-light); font-weight: var(--font-weight-semibold); }
.ac-hero__slide-sep { margin: 0 var(--spacing-1); }

/* Entrance animation, staggered by JS via inline delay is not
   used here — the JS toggles ac-anim--in on each block, this
   class defines the resolved state; base state above is the
   pre-animation (opacity 0 / translateY) state. */
@keyframes acFadeUp {
  from { opacity: 0; transform: translateY(18px); }
  to   { opacity: 1; transform: translateY(0); }
}

.ac-hero__eyebrow.ac-anim--in,
.ac-hero__headline-row.ac-anim--in,
.ac-hero__rule.ac-anim--in,
.ac-hero__desc.ac-anim--in,
.ac-hero__stats.ac-anim--in,
.ac-hero__actions.ac-anim--in,
.ac-hero__media-row.ac-anim--in {
  animation: acFadeUp 700ms cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* ── RIGHT RAIL — trust ring + vertical dot navigation ─────── */
.ac-hero__rail {
  position: absolute;
  z-index: var(--z-index-30);
  top: 50%;
  right: var(--spacing-10);
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-4);
}

.ac-hero__trust-ring {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 58px;
  height: 58px;
  border-radius: var(--radius-full);
  background: rgba(var(--color-navy-rgb), 0.55);
  border: 1px solid var(--color-gold);
  color: var(--color-gold-light);
  font-size: 1.15rem;
  box-shadow: var(--shadow-gold);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.ac-hero__trust-l1 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: var(--font-weight-bold, 700);
  color: var(--text-white);
  line-height: 1;
  text-shadow: 0 2px 8px rgba(var(--color-navy-rgb), 0.85);
}

.ac-hero__trust-l2 {
  font-family: var(--font-primary);
  font-size: var(--text-xs);
  color: var(--color-white-70);
  text-align: center;
  white-space: pre-line;
  line-height: 1.35;
  letter-spacing: 0.03em;
  text-shadow: 0 1px 6px rgba(var(--color-navy-rgb), 0.85);
}

.ac-hero__rail-line { width: 1px; height: 34px; background: var(--color-white-20); }

.ac-hero__dots { display: flex; flex-direction: column; align-items: center; gap: var(--spacing-3); }

.ac-hero__dot {
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
  background: transparent;
  border: 1px solid var(--color-white-40);
  cursor: pointer;
  padding: 0;
  transition: var(--transition-base);
}

.ac-hero__dot:hover { border-color: var(--color-gold-light); }

.ac-hero__dot.ac-dot--active {
  width: 10px;
  height: 22px;
  border-radius: var(--radius-full);
  background: var(--gradient-gold);
  border-color: transparent;
  box-shadow: var(--shadow-gold);
}

/* ── SCROLL CUE ───────────────────────────────────────────── */
.ac-hero__scroll {
  position: absolute;
  z-index: var(--z-index-30);
  right: var(--spacing-10);
  bottom: var(--spacing-20);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-3);
  opacity: 0.7;
}

.ac-hero__scroll-track {
  position: relative;
  width: 1px;
  height: 30px;
  background: var(--color-white-30);
  overflow: hidden;
}

.ac-hero__scroll-pip {
  position: absolute;
  left: 0;
  top: -30%;
  width: 1px;
  height: 30%;
  background: var(--color-gold);
  animation: acScrollPip 1800ms ease-in-out infinite;
}

@keyframes acScrollPip {
  0%   { top: -30%; }
  100% { top: 100%; }
}

.ac-hero__scroll-lbl {
  font-family: var(--font-primary);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-white-70);
  text-shadow: 0 1px 4px rgba(var(--color-navy-rgb), 0.8);
}

/* ── BOTTOM MARQUEE ───────────────────────────────────────── */
.ac-hero__marquee {
  position: absolute;
  z-index: var(--z-index-30);
  left: 0;
  right: 0;
  bottom: 0;
  height: var(--spacing-14);
  display: flex;
  align-items: center;
  overflow: hidden;
  background: linear-gradient(0deg, rgba(var(--color-navy-rgb), 0.65) 0%, rgba(var(--color-navy-rgb), 0.15) 100%);
  border-top: 1px solid var(--color-white-10);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.ac-hero__marquee-track {
  display: flex;
  align-items: center;
  gap: var(--spacing-10);
  white-space: nowrap;
  animation: acMarquee 42s linear infinite;
  padding-left: var(--spacing-10);
}

.ac-hero__marquee-item {
  font-family: var(--font-primary);
  font-size: var(--text-xs);
  font-weight: var(--font-weight-medium);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-white-70);
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-10);
}

.ac-hero__marquee-item::after {
  content: '◆';
  color: var(--color-gold);
  font-size: 0.55rem;
  margin-left: var(--spacing-10);
}

@keyframes acMarquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ── RESPONSIVE ───────────────────────────────────────────── */
@media (max-width: 1200px) {
}

@media (max-width: 992px) {
  .ac-hero__rail { right: var(--spacing-6); gap: var(--spacing-3); }
  .ac-hero__stage { padding: var(--spacing-24) var(--spacing-10) var(--spacing-16); }
  .ac-hero__stage-inner { max-width: 640px; }
}

@media (max-width: 768px) {
  .ac-hero__frame { display: none; }
  .ac-hero__rail {
    position: static;
    transform: none;
    flex-direction: row;
    justify-content: center;
    margin-top: var(--spacing-6);
  }
  .ac-hero__stage {
    align-items: flex-end;
    padding: var(--spacing-20) var(--spacing-5) var(--spacing-20);
  }
  .ac-hero__stage-inner { max-width: 100%; }
  .ac-hero__desc { font-size: var(--text-base); }
  .ac-hero__scroll { display: none; }
  .ac-hero__trust-ring { width: 46px; height: 46px; font-size: 0.95rem; }
  .ac-hero__rail-line { display: none; }
}

@media (max-width: 480px) {
  .ac-hero__headline { font-size: clamp(1.7rem, 8vw, 2.4rem); }
  .ac-hero__stats { gap: var(--spacing-2); }
  .ac-hero__stat { padding: var(--spacing-2) var(--spacing-3); }
  .ac-hero__stat-label { font-size: 0.72rem; }
  .ac-hero__actions { flex-direction: column; align-items: stretch; }
  .ac-btn { justify-content: center; }
  .ac-hero__marquee-item { font-size: 0.65rem; }
}

@media (prefers-reduced-motion: reduce) {
  .ac-hero__marquee-track { animation: none; }
  .ac-hero__scroll-pip { animation: none; }
  .ac-hero__eyebrow.ac-anim--in,
  .ac-hero__headline-row.ac-anim--in,
  .ac-hero__rule.ac-anim--in,
  .ac-hero__desc.ac-anim--in,
  .ac-hero__stats.ac-anim--in,
  .ac-hero__actions.ac-anim--in,
  .ac-hero__media-row.ac-anim--in { animation: none; opacity: 1; transform: none; }
}