/* ============================================================
   ADOL Page 2 — cinematic scroll experience
   Brand: charcoal #050506 / gold #d9a441 → #f0c674 / cream #f4e4c1
   Fonts: Fraunces (display) + Inter (body) — matches page 1
   ============================================================ */

:root {
  --ink: #050506;
  --ink-2: #0d0e11;
  --gold: #d9a441;
  --gold-bright: #f0c674;
  --cream: #f4e4c1;
  --cream-soft: rgba(244, 228, 193, 0.72);
  --line: rgba(240, 198, 116, 0.25);
  --font-display: 'Fraunces', Georgia, serif;
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: auto; } /* GSAP owns the scroll — no smooth-scroll fights */

body {
  background: var(--ink);
  color: var(--cream);
  font-family: var(--font-sans);
  font-weight: 300;
  overflow-x: hidden;
  /* Kill the mobile rubber-band bounce so it can't fight the scroll-scrub. */
  overscroll-behavior-y: none;
  -webkit-font-smoothing: antialiased;
}

/* Bare loader: no static text before the intro — just the thin bar. */
.loader--bare .loader__mark,
.loader--bare .loader__label { display: none; }

/* ============ LOADER ============ */
.loader {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: grid;
  place-items: center;
  background: var(--ink);
  transition: opacity 0.9s var(--ease-out), visibility 0.9s;
}
.loader.is-done { opacity: 0; visibility: hidden; pointer-events: none; }
.loader__inner { text-align: center; }
.loader__mark {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  letter-spacing: 0.42em;
  padding-left: 0.42em; /* optical centering vs letter-spacing */
  color: var(--gold-bright);
  margin-bottom: 2rem;
}
.loader__bar {
  width: min(240px, 60vw);
  height: 1px;
  margin: 0 auto 1rem;
  background: rgba(240, 198, 116, 0.15);
  overflow: hidden;
}
.loader__bar-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--gold), var(--gold-bright));
  transition: width 0.35s ease;
}
.loader__label {
  font-size: 0.7rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--cream-soft);
}

/* ============ FIXED STAGE ============ */
.stage {
  position: fixed;
  inset: 0;
  z-index: 0;
  background: var(--ink);
  /* Opacity-revealed during the page-1 → page-2 handoff (see
     initStageReveal in main.js) — no transform, so no will-change. */
}
.stage__canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}
.stage__poster { position: absolute; inset: 0; }
.stage__poster img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
/* End-cap image: fades in over the film's final frame. Sits under the
   vignette/grain so it inherits the same cinematic grade. */
.stage__endcap {
  position: absolute;
  inset: 0;
  opacity: 0;
  visibility: hidden;
  will-change: opacity;
}
.stage__endcap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  /* Panels live on the left of the artwork — keep them in frame
     when mobile cover-cropping cuts the sides. */
  object-position: 28% center;
  display: block;
}

/* Cinematic vignette keeps overlay text readable at the edges */
.stage__vignette {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(120% 90% at 50% 45%, transparent 55%, rgba(5, 5, 6, 0.55) 100%),
    linear-gradient(180deg, rgba(5, 5, 6, 0.45) 0%, transparent 18%, transparent 78%, rgba(5, 5, 6, 0.6) 100%);
}
.stage__grain {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.05;
  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='0.85' numOctaves='2'/%3E%3C/filter%3E%3Crect width='120' height='120' filter='url(%23n)' opacity='0.7'/%3E%3C/svg%3E");
}

/* ============ TOP BAR ============ */
.topbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: clamp(1rem, 2.5vw, 1.8rem) clamp(1.2rem, 4vw, 3.2rem);
  background: linear-gradient(180deg, rgba(5, 5, 6, 0.55), transparent);
}
.topbar__brand { text-decoration: none; display: flex; align-items: baseline; gap: 0.8rem; }
.topbar__logo {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 1.25rem;
  letter-spacing: 0.34em;
  color: var(--gold-bright);
}
.topbar__tag {
  font-size: 0.62rem;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--cream-soft);
}
.topbar__nav { display: flex; gap: clamp(1rem, 3vw, 2.4rem); }
.topbar__nav a {
  color: var(--cream-soft);
  text-decoration: none;
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  transition: color 0.3s;
}
.topbar__nav a:hover { color: var(--gold-bright); }

/* ============ PROGRESS RAIL ============ */
.progress-rail {
  position: fixed;
  right: clamp(0.9rem, 2vw, 1.6rem);
  top: 50%;
  transform: translateY(-50%);
  z-index: 40;
  width: 1px;
  height: 32vh;
  background: rgba(240, 198, 116, 0.18);
}
.progress-rail__fill {
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, var(--gold-bright), var(--gold));
  transform-origin: top;
  transform: scaleY(0);
}

/* ============ SCROLL HINT ============ */
.scroll-hint {
  position: fixed;
  bottom: clamp(1.4rem, 4vh, 2.6rem);
  left: 50%;
  transform: translateX(-50%);
  z-index: 40;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.7rem;
  color: var(--cream-soft);
  font-size: 0.62rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  transition: opacity 0.6s;
}
.scroll-hint__line {
  width: 1px;
  height: 42px;
  background: linear-gradient(180deg, var(--gold-bright), transparent);
  animation: hint-drop 2.2s var(--ease-out) infinite;
}
@keyframes hint-drop {
  0% { transform: scaleY(0); transform-origin: top; }
  45% { transform: scaleY(1); transform-origin: top; }
  55% { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ============ END-CAP COPY (PV intro, right side) ============ */
.endcap-copy {
  position: fixed;
  z-index: 30;
  top: 50%;
  right: clamp(2rem, 8vw, 9rem);
  transform: translateY(-50%);
  max-width: min(460px, 42vw);
  opacity: 0;
  visibility: hidden;
  will-change: transform, opacity;
  pointer-events: none; /* decorative for now; buttons come later */
}
.endcap-copy__eyebrow {
  font-size: 0.66rem;
  letter-spacing: 0.34em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1.1rem;
}
.endcap-copy__title {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(1.8rem, 3.4vw, 3rem);
  line-height: 1.1;
  color: var(--cream);
  margin-bottom: 1.6rem;
  text-wrap: balance;
}
.endcap-copy__specs {
  list-style: none;
  display: grid;
  gap: 0.85rem;
}
.endcap-copy__specs li {
  font-size: clamp(0.84rem, 1.1vw, 0.96rem);
  line-height: 1.6;
  color: var(--cream-soft);
  padding-left: 1.3rem;
  position: relative;
}
.endcap-copy__specs li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 0.55rem;
  height: 1px;
  background: var(--gold-bright);
}
.endcap-copy__specs strong {
  color: var(--gold-bright);
  font-weight: 500;
}
/* The copy block itself is decorative (pointer-events: none) but its
   action buttons must stay clickable. */
.endcap-copy__actions {
  display: flex;
  gap: 0.9rem;
  flex-wrap: wrap;
  margin-top: 2.1rem;
  pointer-events: auto;
}

@media (max-width: 820px) {
  .endcap-copy {
    top: auto;
    bottom: clamp(2.2rem, 9vh, 5rem);
    right: 1.4rem;
    left: 1.4rem;
    transform: none;
    max-width: none;
  }
}

/* ============ HERO INTRO (page-1 placeholder) ============ */
/* Sits ABOVE the fixed film stage with its own opaque background,
   so the film only becomes visible once the story section starts. */
.hero-intro {
  position: relative;
  z-index: 15;
  height: 100vh;
  height: 100dvh;
  display: grid;
  place-items: center;
  text-align: center;
  background: var(--ink);
  overflow: hidden;
}
.hero-intro__frame {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
  background: var(--ink);
}
.hero-intro__eyebrow {
  font-size: 0.68rem;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1.6rem;
}
.hero-intro__mark {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(4rem, 14vw, 11rem);
  letter-spacing: 0.3em;
  padding-left: 0.3em; /* optical centering vs letter-spacing */
  line-height: 1;
  color: var(--cream);
  background: linear-gradient(160deg, var(--cream) 20%, var(--gold-bright) 60%, var(--gold) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero-intro__note {
  margin-top: 2rem;
  font-size: 0.66rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: rgba(244, 228, 193, 0.4);
}

/* ============ HERO LOGO (trang 1, góc phải bên trên) ============ */
.hero-logo {
  position: absolute;
  /* Sits where the hero's own "ADOL" wordmark used to be (top-left) —
     that wordmark is hidden via injected CSS in main.js wireHeroFrame. */
  top: clamp(1.3rem, 3vw, 2.1rem);
  left: clamp(1.3rem, 4vw, 3.2rem);
  z-index: 16; /* above the hero iframe */
  height: clamp(46px, 6.2vw, 68px);
  pointer-events: none;
  filter: drop-shadow(0 2px 10px rgba(0, 0, 0, 0.5));
  /* Floats ABOVE the iframe, so the intro clip inside it can't cover this
     logo — held invisible until main.js sees that clip finish (.is-visible). */
  opacity: 0;
  transition: opacity 0.9s ease;
}
.hero-logo.is-visible { opacity: 1; }
.hero-logo img { height: 100%; width: auto; display: block; }

/* ============ STORY & CHAPTERS ============ */
#story { position: relative; z-index: 10; }

/* The film section provides the scroll length; ScrollTrigger pins nothing
   visually because the stage is already fixed — the section is the track. */
.film { height: 1000vh; position: relative; }

.chapters {
  position: sticky;
  top: 0;
  height: 100vh;
  height: 100dvh; /* dynamic vh: stays put as mobile toolbars show/hide */
  overflow: hidden;
}

.chapter {
  position: absolute;
  left: clamp(1.4rem, 7vw, 7rem);
  bottom: clamp(4rem, 14vh, 9rem);
  max-width: min(560px, 82vw);
  opacity: 0;
  visibility: hidden;
  will-change: transform, opacity;
}
.chapter--hero { bottom: auto; top: 50%; transform: translateY(-50%); }
/* Copy đứng giữa theo trục dọc, phía TRÁI khung hình (chủ thể bên phải). */
.chapter--left-mid { bottom: auto; top: 50%; transform: translateY(-50%); }
/* Copy đứng giữa theo trục dọc, phía PHẢI khung hình (chủ thể bên trái). */
.chapter--right {
  left: auto;
  right: clamp(1.4rem, 7vw, 7rem);
  bottom: auto;
  top: 50%;
  transform: translateY(-50%);
}
/* Spec list dùng trong chapter (kiểu endcap cũ, giữ tone ADOL). */
.chapter__specs {
  list-style: none;
  display: grid;
  gap: 0.85rem;
  margin: 0;
  padding: 0;
}
.chapter__specs li {
  font-size: clamp(0.84rem, 1.1vw, 0.96rem);
  line-height: 1.6;
  color: var(--cream-soft);
  padding-left: 1.3rem;
  position: relative;
}
.chapter__specs li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 0.55rem;
  height: 1px;
  background: var(--gold-bright);
}
.chapter__specs strong { color: var(--gold-bright); font-weight: 500; }
.chapter--outro {
  left: 50%;
  bottom: auto;
  top: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  max-width: min(680px, 88vw);
}
/* Centered outro sits over whatever the frame shows — give it its own
   soft darkening so the copy stays readable on bright backgrounds. */
.chapter--outro::before {
  content: '';
  position: absolute;
  inset: -34% -48%;
  z-index: -1;
  background: radial-gradient(56% 56% at 50% 50%, rgba(5, 5, 6, 0.85), rgba(5, 5, 6, 0.35) 68%, transparent 82%);
  pointer-events: none;
}

.chapter__eyebrow {
  font-size: 0.66rem;
  letter-spacing: 0.34em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1.1rem;
}
.chapter__title {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(1.9rem, 4.6vw, 3.6rem);
  line-height: 1.08;
  color: var(--cream);
  margin-bottom: 1.2rem;
  text-wrap: balance;
}
.chapter__body {
  font-size: clamp(0.86rem, 1.2vw, 1rem);
  line-height: 1.75;
  color: var(--cream-soft);
  max-width: 46ch;
}
.chapter--outro .chapter__body { margin: 0 auto; }

.chapter__actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  margin-top: 2.2rem;
  flex-wrap: wrap;
}
.btn {
  display: inline-block;
  padding: 0.9rem 2.1rem;
  font-size: 0.72rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  text-decoration: none;
  border: 1px solid var(--line);
  transition: all 0.35s var(--ease-out);
}
.btn--gold {
  background: linear-gradient(120deg, var(--gold), var(--gold-bright));
  color: var(--ink);
  border-color: transparent;
  font-weight: 500;
}
.btn--gold:hover { filter: brightness(1.1); transform: translateY(-2px); }
.btn--ghost { color: var(--cream); }
.btn--ghost:hover { border-color: var(--gold-bright); color: var(--gold-bright); }

/* Arriving from a hand-over (legacy path kept for /page3 direct visits):
   the loader would break an invisible cut. */
.from-bridge .loader { display: none; }

/* ============ IN-PAGE INVERTER SCENE (chapter 3 of page 2) ============ */
/* The scroll track after the film: its length is the chapter's scrub
   room, exactly like .film is for the main story. */
.invsection { position: relative; height: 380vh; }

/* Fixed layer driven by the track: rides up from below the viewport
   (translateY 100% → 0) — the same push grammar as page 1 → page 2. */
.invscene {
  position: fixed;
  inset: 0;
  z-index: 35; /* above the end-cap copy (30), below the topbar (40) */
  isolation: isolate; /* children stack within the scene */
  background: var(--ink);
  will-change: transform;
}
/* Leading gold seam — matches the page-1 → 2 boundary */
.invscene::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  z-index: 5;
  background: linear-gradient(90deg, transparent 8%, rgba(240, 198, 116, 0.35) 50%, transparent 92%);
}
.invscene__poster { position: absolute; inset: 0; }
.invscene__poster img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
/* Scrub canvas sits over the poster; shown once the film paints. */
.invscene__canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  opacity: 0;
  transition: opacity 0.3s;
}
.invscene.is-film .invscene__canvas { opacity: 1; }
/* Hotspot & hint arrive on the chapter's final beat only. */
.invscene .hotspot {
  z-index: 3;
  visibility: hidden;
  opacity: 0;
  transition: opacity 0.5s var(--ease-out), visibility 0.5s;
}
.invscene.is-ready .hotspot { visibility: visible; opacity: 1; }
.invscene__hint {
  position: absolute;
  z-index: 3;
  bottom: clamp(1.4rem, 4vh, 2.4rem);
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.62rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--cream-soft);
  opacity: 0;
  transition: opacity 0.5s;
}
.invscene.is-ready .invscene__hint { opacity: 0.75; }

/* ============ INVERTER EXPLODE (page 3) ============ */
/* Hotspot pinned over the inverter in the poster (js/explode.js maps
   image-space → viewport for the cover-cropped image). */
.hotspot {
  position: fixed;
  z-index: 24;
  transform: translate(-50%, -50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.9rem;
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
  color: var(--cream);
  font-family: var(--font-sans);
}
.hotspot__ring {
  position: relative;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  border: 1px solid var(--gold-bright);
  background: rgba(5, 5, 6, 0.35);
  display: grid;
  place-items: center;
}
.hotspot__ring::after {
  content: '+';
  font-size: 1.5rem;
  font-weight: 300;
  color: var(--gold-bright);
  line-height: 1;
}
.hotspot__ring::before {
  content: '';
  position: absolute;
  inset: -8px;
  border-radius: 50%;
  border: 1px solid rgba(240, 198, 116, 0.55);
  animation: hotspot-pulse 2.4s var(--ease-out) infinite;
}
@keyframes hotspot-pulse {
  0% { transform: scale(0.72); opacity: 0.9; }
  100% { transform: scale(1.55); opacity: 0; }
}
.hotspot__label {
  font-size: 0.64rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  padding: 0.55rem 1.1rem;
  border: 1px solid var(--line);
  background: rgba(5, 5, 6, 0.55);
  backdrop-filter: blur(6px);
  transition: color 0.3s, border-color 0.3s;
}
.hotspot:hover .hotspot__label,
.hotspot:focus-visible .hotspot__label {
  color: var(--gold-bright);
  border-color: var(--gold-bright);
}
body.explode-open .hotspot,
body.explode-open .scroll-hint,
body.explode-open .progress-rail { opacity: 0 !important; pointer-events: none !important; }

/* Full-screen explode stage */
.explode {
  position: fixed;
  inset: 0;
  z-index: 38; /* over the story AND the in-page scene, under the topbar */
  background: var(--ink);
  opacity: 0;
  transition: opacity 0.3s var(--ease-out);
}
.explode.is-open { opacity: 1; }
.explode__media {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.explode__still {
  opacity: 0;
  transition: opacity 0.6s var(--ease-out);
  pointer-events: none;
}
.explode.is-exploded .explode__still { opacity: 1; }

.explode__caption {
  position: absolute;
  left: clamp(1.4rem, 6vw, 6rem);
  bottom: clamp(4.6rem, 12vh, 7rem);
  max-width: 340px;
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--cream-soft);
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.6s var(--ease-out) 0.25s, transform 0.6s var(--ease-out) 0.25s;
  pointer-events: none;
}
.explode__caption-eyebrow {
  display: block;
  font-size: 0.64rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.7rem;
}
.explode.is-exploded .explode__caption { opacity: 1; transform: translateY(0); }

.explode__collapse {
  position: absolute;
  left: 50%;
  bottom: clamp(1.6rem, 5vh, 3rem);
  transform: translateX(-50%);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.45s var(--ease-out) 0.35s;
  cursor: pointer;
  font-family: var(--font-sans);
}
.explode.is-exploded .explode__collapse { opacity: 1; pointer-events: auto; }
/* .btn--gold:hover sets `transform: translateY(-2px)` at equal specificity,
   which — without this override — REPLACES (not adds to) this button's
   centering `translateX(-50%)`, making it jump sideways on hover. Restate
   both transforms together so hovering only lifts it in place. */
.explode__collapse:hover,
.explode__collapse:focus-visible {
  transform: translateX(-50%) translateY(-2px);
}

.explode__close {
  position: absolute;
  top: clamp(4.6rem, 11vh, 6.4rem); /* clear of the fixed topbar */
  right: clamp(1.2rem, 3vw, 2.4rem);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: rgba(5, 5, 6, 0.55);
  color: var(--cream);
  font-size: 1.5rem;
  font-weight: 300;
  line-height: 1;
  cursor: pointer;
  transition: color 0.3s, border-color 0.3s;
}
.explode__close:hover,
.explode__close:focus-visible { color: var(--gold-bright); border-color: var(--gold-bright); }

@media (max-width: 820px) {
  .hotspot__ring { width: 44px; height: 44px; }
  .explode__caption { display: none; } /* keep the mobile frame clean */
}

/* ============ HOTSPOT GATING (one-page journey) ============
   The gated hotspot only exists while the film is parked on the
   inverter stop — main.js toggles .is-armed from scroll progress. */
.hotspot--gated {
  visibility: hidden;
  opacity: 0;
  transition: opacity 0.45s var(--ease-out), visibility 0.45s;
}
.hotspot--gated.is-armed { visibility: visible; opacity: 1; }

/* Extra prominence for the in-journey hotspot: solid gold ring + halo +
   an always-gold label, so it reads as an obvious CTA the moment it
   arms — no hover needed to notice it. */
.hotspot--gated .hotspot__ring {
  width: 68px;
  height: 68px;
  border: 1px solid var(--gold-bright);
  background: radial-gradient(circle, rgba(240, 198, 116, 0.28), rgba(5, 5, 6, 0.45) 72%);
  box-shadow: 0 0 26px 4px rgba(240, 198, 116, 0.35);
}
.hotspot--gated .hotspot__ring::after { font-size: 1.9rem; color: var(--cream); }
.hotspot--gated .hotspot__ring::before {
  inset: -10px;
  border: 1.5px solid var(--gold-bright);
  animation: hotspot-pulse-strong 1.9s var(--ease-out) infinite;
}
@keyframes hotspot-pulse-strong {
  0% { transform: scale(0.7); opacity: 1; }
  100% { transform: scale(1.7); opacity: 0; }
}
.hotspot--gated .hotspot__label {
  background: linear-gradient(120deg, var(--gold), var(--gold-bright));
  color: var(--ink);
  border-color: transparent;
  font-weight: 600;
}
.hotspot--gated:hover .hotspot__label,
.hotspot--gated:focus-visible .hotspot__label { color: var(--ink); filter: brightness(1.1); }

/* ============ FULL-VIEWPORT PANELS (trang 5 · 6 · 7) ============ */
.panel {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  background: var(--ink);
  display: grid;
  align-content: center;
  padding: clamp(4.5rem, 11vh, 7rem) clamp(1.4rem, 6vw, 6rem) clamp(3rem, 8vh, 5rem);
}
.panel__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
  width: 100%;
  max-width: 1440px;
  margin: 0 auto;
}
.panel__inner { max-width: 1100px; margin: 0 auto; width: 100%; }
.panel .globe-wrap { width: min(100%, 580px); }
.panel__footer {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 1.2rem;
  text-align: center;
  font-size: 0.64rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--cream-soft);
  opacity: 0.7;
}
.panel__footer a { color: var(--gold-bright); text-decoration: none; }

/* Tầm nhìn / Sứ mệnh */
.mv-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(1.2rem, 3vw, 2.4rem);
  margin-top: clamp(1.6rem, 4vh, 2.6rem);
}
.mv-block {
  border: 1px solid var(--line);
  padding: clamp(1.4rem, 2.4vw, 2rem);
  background: linear-gradient(170deg, rgba(240, 198, 116, 0.05), transparent 45%);
}
.mv-block__title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 1.2rem;
  color: var(--gold-bright);
  margin-bottom: 0.7rem;
}
.mv-block__body { font-size: 0.92rem; line-height: 1.75; color: var(--cream-soft); }
.mv-values {
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
  margin-top: clamp(1.4rem, 3.5vh, 2.2rem);
}
.mv-chip {
  font-size: 0.68rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--cream);
  border: 1px solid var(--line);
  padding: 0.6rem 1.2rem;
}

@media (max-width: 900px) {
  .panel__grid { grid-template-columns: 1fr; gap: 2rem; }
  .mv-grid { grid-template-columns: 1fr; }
  .panel .globe-wrap { width: min(78vw, 380px); }
}

/* ============ MOBILE ============ */
@media (max-width: 820px) {
  .topbar__nav { display: none; }
  .chapter {
    left: 1.4rem;
    right: 1.4rem;
    max-width: none;
    bottom: clamp(3.4rem, 12vh, 7rem);
  }
  .progress-rail { height: 24vh; }
}

/* ============ REDUCED MOTION ============ */
@media (prefers-reduced-motion: reduce) {
  .scroll-hint__line { animation: none; }
  html { scroll-behavior: auto; }
  * { transition-duration: 0.01ms !important; }
}