/* ==========================================================================
   HERO — full-screen film/photo slider + Safari Finder card.
   Owned by Agent A. Slides are rendered by js/hero.js from OSUKA_HERO_SLIDES.
   Slide states: .is-active (current), .is-leaving (fading out).
   All motion is transform/opacity only.
   ========================================================================== */
.hero {
  /* header offset at rest (never changes on scroll → no layout shift) */
  --hero-top: var(--header-h-rest, var(--header-h));
  /* room reserved under the content for segments/controls/finder overlap */
  --hero-bottom: 140px;
  --controls-bottom: 40px;

  position: relative; isolation: isolate; overflow: hidden;
  min-height: 100vh; min-height: 100svh;
  padding-top: var(--hero-top);
  background: var(--forest-950); color: var(--cream-100);
}

/* --------------------------------------------------------------------------
   Slides
   -------------------------------------------------------------------------- */
.hero-slides { position: absolute; inset: 0; z-index: 0; }
.hero-slide {
  position: absolute; inset: 0;
  opacity: 0; visibility: hidden;
  transition: opacity 1.1s var(--ease-in-out), visibility 0s linear 1.1s;
}
.hero-slide.is-active { opacity: 1; visibility: visible; z-index: 2; transition-delay: 0s; }
.hero-slide.is-leaving { opacity: 0; visibility: visible; z-index: 1; transition: opacity .9s var(--ease-in-out) .2s, visibility 0s linear 1.2s; }
/* quicker first reveal on page load */
.hero.is-booting .hero-slide.is-active { transition-duration: .6s; }

/* Media: outer layer eases from 1.06 → 1 on entry; inner img/video runs the
   long Ken Burns (images) or a slow settle (video). */
.hero-media { position: absolute; inset: 0; overflow: hidden; transform: scale(1.06); transition: transform 1.1s var(--ease-out); }
.hero-slide.is-active .hero-media { transform: scale(1); }
.hero-slide.is-leaving .hero-media { transform: scale(1.02); transition-duration: 1.2s; }
.hero-media img, .hero-media video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.hero-media video { opacity: 0; transition: opacity .6s ease; }
.hero-media video.is-ready { opacity: 1; }
.hero-slide.is-active .hero-media img.kb { animation: heroKenBurns 9s linear forwards; }
.hero-slide.is-active .hero-media video { animation: heroSettle 9s var(--ease-out) forwards; }
@keyframes heroKenBurns { from { transform: scale(1); } to { transform: scale(1.08); } }
@keyframes heroSettle { from { transform: scale(1.03); } to { transform: scale(1); } }

/* Shade: brand gradient + left radial darkening behind the copy */
.hero-shade { position: absolute; inset: 0; background: var(--grad-hero-shade); }
.hero-shade::after {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(95% 85% at 12% 58%, rgba(1,17,11,.62) 0%, rgba(1,17,11,.28) 42%, rgba(1,17,11,0) 72%);
}
.hero-grain { position: absolute; inset: 0; }

/* Content */
.hero-inner {
  position: relative; z-index: 2; height: 100%;
  display: flex; flex-direction: column; justify-content: flex-end;
  padding-top: var(--hero-top); padding-bottom: var(--hero-bottom);
}
.hero-content { max-width: 780px; }
.hero-kicker-row { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 16px; margin-bottom: 18px; }
.hero-kicker-row .eyebrow { margin-bottom: 0; }
.hero-loc {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 7px 12px 7px 9px; border-radius: var(--r-pill);
  background: rgba(1,17,11,.35); border: 1px solid rgba(254,254,244,.2);
  -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
  font-family: var(--font-display); font-weight: 600; font-size: .7rem; letter-spacing: .1em; text-transform: uppercase; line-height: 1;
  color: var(--cream-100);
}
.hero-loc .ic { width: 13px; height: 13px; color: var(--gold-400); }
.hero-title {
  font-family: var(--font-display); font-weight: 700;
  font-size: var(--text-hero); line-height: .98; letter-spacing: -.03em;
  color: var(--cream-100);
  text-shadow: 0 2px 30px rgba(1,17,11,.35);
}
.hero-title em { color: var(--gold-400); font-size: 1.04em; }
/* masked line reveal — padding/negative margin keeps italics & descenders unclipped */
.hero-title .line { display: block; overflow: hidden; padding: .1em .14em .16em; margin: -.1em -.14em -.16em; }
.hero-title .line-in { display: block; transform: translateY(118%); transition: transform .95s var(--ease-out); }
.hero-slide.is-active .hero-title .line-in { transform: none; transition-delay: calc(.4s + var(--li, 0) * .11s); }
.hero-text { margin-top: 22px; max-width: 52ch; font-size: 1.1rem; line-height: 1.6; color: var(--on-dark-soft); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.hero-actions .btn { --btn-fg: var(--cream-50); }
/* staggered entrance */
.hero-kicker-row, .hero-text, .hero-actions {
  opacity: 0; transform: translateY(22px);
  transition: opacity .8s var(--ease-out), transform .8s var(--ease-out);
}
.hero-slide.is-active .hero-kicker-row { opacity: 1; transform: none; transition-delay: .3s; }
.hero-slide.is-active .hero-text { opacity: 1; transform: none; transition-delay: .78s; }
.hero-slide.is-active .hero-actions { opacity: 1; transform: none; transition-delay: .86s; }
.hero-slide.is-leaving .hero-content { opacity: 0; transition: opacity .4s ease; }

/* --------------------------------------------------------------------------
   Story segments (<900px)
   -------------------------------------------------------------------------- */
.hero-segments {
  position: absolute; z-index: 3; left: 50%; transform: translateX(-50%);
  bottom: calc(var(--controls-bottom) + 66px);
  width: var(--container); display: flex; gap: 6px;
}
.hero-seg { flex: 1; height: 3px; border-radius: 2px; background: rgba(254,254,244,.25); overflow: hidden; }
.hero-seg i { display: block; height: 100%; width: 100%; background: var(--gold-400); transform: scaleX(0); transform-origin: left center; }

/* --------------------------------------------------------------------------
   Preview rail (>=900px)
   -------------------------------------------------------------------------- */
.hero-rail { display: none; position: absolute; z-index: 3; }
.rail-item {
  display: flex; flex-direction: column; align-items: flex-start; gap: 7px;
  width: 112px; color: var(--cream-100); opacity: .55;
  transition: opacity .35s var(--ease-out), transform .35s var(--ease-out);
}
.rail-item:hover, .rail-item.is-active { opacity: 1; }
.rail-item:hover { transform: translateX(-3px); }
.rail-label { font-family: var(--font-display); font-weight: 600; font-size: .6rem; letter-spacing: .2em; text-transform: uppercase; line-height: 1; color: var(--on-dark-soft); transition: color .3s; }
.rail-item.is-active .rail-label { color: var(--gold-300); }
.rail-thumb {
  position: relative; width: 112px; height: 70px; border-radius: 12px; overflow: hidden;
  border: 2px solid rgba(254,254,244,.15); transition: border-color .35s;
  box-shadow: 0 10px 24px rgba(1,17,11,.35);
}
.rail-item.is-active .rail-thumb { border-color: var(--gold-400); }
.rail-thumb img { width: 100%; height: 100%; object-fit: cover; }
.rail-progress { width: 112px; height: 2px; border-radius: 2px; background: rgba(254,254,244,.2); overflow: hidden; }
.rail-progress i { display: block; height: 100%; width: 100%; background: var(--gold-400); transform: scaleX(0); transform-origin: left center; }

/* --------------------------------------------------------------------------
   Bottom control bar
   -------------------------------------------------------------------------- */
.hero-bottom { position: absolute; left: 0; right: 0; z-index: 4; bottom: var(--controls-bottom); }
.hero-controls { position: relative; display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; }
.hero-counter { display: flex; align-items: baseline; gap: 8px; font-family: var(--font-display); line-height: 1; }
.hero-counter-current { display: inline-block; min-width: 1.25em; font-weight: 700; font-size: 2rem; letter-spacing: -.02em; color: var(--cream-100); }
.hero-counter-current.is-tick { animation: counterTick .5s var(--ease-out); }
@keyframes counterTick { 0% { opacity: 0; transform: translateY(10px); } 100% { opacity: 1; transform: none; } }
.hero-counter-total { font-weight: 600; font-size: .78rem; letter-spacing: .14em; color: var(--gold-400); }
.hero-buttons { display: flex; gap: 8px; }
.hero-buttons .icon-btn { width: 48px; height: 48px; }
.hero-toggle .hero-ic-play { display: none; }
.hero-toggle[aria-pressed="true"] .hero-ic-play { display: block; }
.hero-toggle[aria-pressed="true"] .hero-ic-pause { display: none; }
.hero-scroll-cue {
  display: none; position: absolute; left: 50%; bottom: 0; transform: translateX(-50%);
  flex-direction: column; align-items: center; gap: 10px;
  color: var(--on-dark-soft); transition: color .2s;
}
.hero-scroll-cue:hover { color: var(--gold-300); }
.hero-scroll-word { writing-mode: vertical-rl; font-family: var(--font-display); font-weight: 600; font-size: .62rem; letter-spacing: .3em; text-transform: uppercase; }
.hero-scroll-line { position: relative; width: 1px; height: 48px; background: rgba(254,254,244,.25); overflow: hidden; }
.hero-scroll-line::after {
  content: ""; position: absolute; left: -2px; top: -10px; width: 5px; height: 10px; border-radius: 3px;
  background: var(--gold-400); box-shadow: 0 0 8px var(--gold-400);
  animation: scrollDot 1.9s var(--ease-in-out) infinite;
}
@keyframes scrollDot { 0% { transform: translateY(0); opacity: 0; } 20% { opacity: 1; } 100% { transform: translateY(68px); opacity: 0; } }

/* --------------------------------------------------------------------------
   Responsive
   -------------------------------------------------------------------------- */
@media (max-width: 599px) {
  .hero-title { font-size: clamp(2.6rem, 10.5vw, 3.2rem); }
  .hero-text { font-size: 1rem; margin-top: 18px; }
  .hero-actions { margin-top: 24px; gap: 10px; }
  .hero-actions .btn-lg { min-height: 54px; padding: 0 22px; font-size: .92rem; }
  .hero-kicker-row .eyebrow { font-size: .66rem; }
}
@media (min-width: 900px) {
  .hero { --hero-bottom: 260px; --controls-bottom: 92px; }
  .hero-inner { justify-content: center; }
  .hero-segments { display: none; }
  /* horizontal rail above the controls */
  .hero-rail {
    display: flex; gap: 10px;
    left: 50%; transform: translateX(-50%); width: var(--container);
    bottom: calc(var(--controls-bottom) + 72px);
  }
  .hero-rail .rail-item { width: 96px; }
  .hero-rail .rail-thumb { width: 96px; height: 60px; }
  .hero-rail .rail-progress { width: 96px; }
  .hero-rail .rail-label { display: none; }
  .hero-rail .rail-item:hover { transform: translateY(-3px); }
}
@media (min-width: 1200px) {
  .hero { --hero-bottom: 180px; }
  /* scroll cue only once the rail moves to the right edge (it collided with the horizontal rail) */
  .hero-scroll-cue { display: flex; }
  .hero-content { max-width: 820px; padding-right: 160px; }
  /* vertical rail on the right edge */
  .hero-rail {
    left: auto; right: clamp(20px, 3vw, 48px); bottom: auto; top: 50%;
    width: auto; transform: translateY(-50%);
    flex-direction: column; gap: 14px;
  }
  .hero-rail .rail-item { width: 112px; }
  .hero-rail .rail-thumb { width: 112px; height: 70px; }
  .hero-rail .rail-progress { width: 112px; }
  .hero-rail .rail-label { display: block; }
  .hero-rail .rail-item:hover { transform: translateX(-4px); }
}

/* --------------------------------------------------------------------------
   Safari Finder
   -------------------------------------------------------------------------- */
.finder-wrap { position: relative; z-index: 5; width: calc(100% - 32px); max-width: 1180px; margin: -24px auto 0; }
.finder {
  position: relative;
  display: grid; grid-template-columns: 1fr; gap: 14px;
  padding: 20px 18px 18px; border-radius: var(--r-xl);
  background: rgba(254,254,244,.97);
  border: 1px solid var(--gold-200);
  box-shadow: var(--shadow-lg);
}
.finder-intro { display: flex; flex-direction: column; gap: 2px; }
.finder-kicker { font-family: var(--font-display); font-weight: 600; font-size: .66rem; letter-spacing: .2em; text-transform: uppercase; color: var(--sunset-600); }
.finder-title { font-family: var(--font-display); font-weight: 700; font-size: 1.15rem; letter-spacing: -.02em; line-height: 1.1; color: var(--forest-900); }
.finder-grid { display: grid; grid-template-columns: 1fr; gap: 10px; min-width: 0; }
.finder-field { display: flex; flex-direction: column; gap: 5px; min-width: 0; }
.finder-label { font-family: var(--font-display); font-weight: 600; font-size: .64rem; letter-spacing: .16em; text-transform: uppercase; color: var(--ink-muted); padding-left: 2px; }
.finder-control {
  position: relative; display: flex; align-items: center; min-height: 46px;
  border-radius: 12px; background: var(--cream-200); border: 1px solid var(--line);
  transition: border-color var(--dur-fast), box-shadow var(--dur-fast), background var(--dur-fast);
}
.finder-control:hover { border-color: rgba(218,122,17,.45); }
.finder-control:focus-within { border-color: var(--sunset-500); box-shadow: 0 0 0 3px rgba(218,122,17,.18); background: var(--cream-50); }
.finder-control > .ic:first-child { position: absolute; left: 12px; width: 16px; height: 16px; color: var(--sunset-600); pointer-events: none; }
.finder-caret { position: absolute; right: 11px; width: 14px; height: 14px; color: var(--ink-muted); pointer-events: none; }
.finder-control select {
  appearance: none; -webkit-appearance: none;
  width: 100%; min-height: 44px; padding: 0 32px 0 36px; border: 0; border-radius: inherit;
  background: transparent; outline: none; cursor: pointer;
  font-family: var(--font-display); font-weight: 600; font-size: .92rem; color: var(--forest-900);
  text-overflow: ellipsis; white-space: nowrap; overflow: hidden;
}
.finder-submit { width: 100%; min-height: 50px; }

@media (min-width: 600px) {
  .finder-grid { grid-template-columns: 1fr 1fr; }
}
@media (min-width: 900px) {
  .finder-wrap { width: var(--container); margin-top: -64px; }
  .finder {
    grid-template-columns: minmax(0, 1fr) auto; align-items: end; gap: 14px 18px;
    padding: 20px 22px 22px;
    background: rgba(254,254,244,.92);
    -webkit-backdrop-filter: blur(18px) saturate(140%); backdrop-filter: blur(18px) saturate(140%);
  }
  .finder-intro { grid-column: 1 / -1; flex-direction: row; align-items: baseline; gap: 14px; }
  .finder-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
  .finder-submit { width: auto; min-height: 46px; padding: 0 24px; }
}
@media (min-width: 1200px) {
  .finder { grid-template-columns: auto minmax(0, 1fr) auto; align-items: end; gap: 22px; padding: 22px 24px 24px 28px; }
  .finder-intro { grid-column: auto; flex-direction: column; gap: 4px; align-self: center; padding-right: 22px; border-right: 1px solid var(--line); }
  .finder-title { font-size: 1.2rem; }
}