/* ============================================================
   ASTOR ASSIST — presentation site
   Hospitality system: calm, precise, metallic, service-first.
   ============================================================ */

:root {
  --ink: #080a0d;
  --ink-2: #10141a;
  --ink-3: #171d24;
  --paper: #f4f7f9;
  --paper-dim: #a8b0b8;
  --gold: #9fa9b3;
  --gold-soft: #e3e8ed;
  --gold-deep: #5c6670;
  --metal: #c8d0d8;
  --metal-deep: #3b424b;
  --line: rgba(226,232,238,0.14);
  --surface: rgba(244,247,249,0.055);
  --surface-strong: rgba(244,247,249,0.09);
  --dust-rgb: 214, 222, 230;
  --telegram: #2aabee;
  --font-display: var(--brand-font-heading);
  --font-body: var(--brand-font-family);
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --maxw: 1080px;
  --ease-lux: cubic-bezier(0.22, 1, 0.36, 1);
}

body.light-theme {
  --ink: #f5f7f8;
  --ink-2: #eef1f3;
  --ink-3: #ffffff;
  --paper: #11161c;
  --paper-dim: #5c6570;
  --gold: #4d5660;
  --gold-soft: #151a20;
  --gold-deep: #8c96a0;
  --metal: #2e363f;
  --metal-deep: #c8d0d8;
  --line: rgba(17,22,28,0.13);
  --surface: rgba(17,22,28,0.04);
  --surface-strong: rgba(17,22,28,0.075);
  --dust-rgb: 52, 60, 68;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-body);
  font-weight: var(--brand-body-weight);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  min-height: 100vh;
  transition: background 0.35s var(--ease-lux), color 0.35s var(--ease-lux);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.33;
  background:
    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.014) 1px, transparent 1px),
    radial-gradient(90% 80% at 78% 12%, rgba(188,199,210,0.13), transparent 55%);
  background-size: 42px 42px, 42px 42px, cover;
  mix-blend-mode: screen;
}

body.light-theme::before {
  opacity: 0.42;
  background:
    linear-gradient(rgba(17,22,28,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(17,22,28,0.025) 1px, transparent 1px),
    radial-gradient(90% 80% at 78% 12%, rgba(76,86,96,0.1), transparent 55%);
  mix-blend-mode: multiply;
}

/* Custom key cursor active only on fine pointers */
@media (pointer: fine) {
  body.key-cursor, body.key-cursor a, body.key-cursor button { cursor: none; }
}

img, svg { max-width: 100%; display: block; }

/* Бренд: одна гарнитура, иерархия весом и трекингом (css/brand-typography.css) */
h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: var(--brand-heading-weight);
  letter-spacing: var(--brand-heading-tracking);
  line-height: var(--brand-heading-leading);
}

a { color: var(--gold-soft); }

.visually-hidden {
  position: absolute; width: 1px; height: 1px;
  clip: rect(0 0 0 0); overflow: hidden; white-space: nowrap;
}

.skip-link {
  position: absolute; left: -999px; top: 0; z-index: 200;
  background: var(--gold); color: var(--ink); padding: 8px 16px;
}
.skip-link:focus { left: 8px; }

/* ---------- cinema chrome ---------- */
.letterbox {
  position: fixed; left: 0; right: 0; height: 11vh;
  background: #050403; z-index: 140; pointer-events: none;
  transition: transform 1.5s var(--ease-lux) 0.25s;
}
.letterbox-top { top: 0; transform-origin: top; }
.letterbox-bottom { bottom: 0; transform-origin: bottom; }
body.film-open .letterbox-top { transform: scaleY(0); }
body.film-open .letterbox-bottom { transform: scaleY(0); }

.grain {
  position: fixed; inset: -100px; z-index: 130; pointer-events: none;
  opacity: 0.05;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23n)' opacity='0.6'/%3E%3C/svg%3E");
  animation: grainShift 1.2s steps(6) infinite;
}
@keyframes grainShift {
  0% { transform: translate(0, 0); }
  20% { transform: translate(-30px, 12px); }
  40% { transform: translate(18px, -26px); }
  60% { transform: translate(-12px, 30px); }
  80% { transform: translate(26px, 8px); }
  100% { transform: translate(0, 0); }
}

.film-progress {
  position: fixed; top: 0; left: 0; right: 0; height: 2px;
  z-index: 145; pointer-events: none;
  background: color-mix(in srgb, var(--paper) 5%, transparent);
}
.film-progress span {
  display: block; height: 100%;
  background: linear-gradient(90deg, var(--gold-deep), var(--gold-soft));
  transform-origin: left;
  transform: scaleX(var(--film-progress, 0));
}

/* section titles flow in word by word */
.title-word {
  display: inline-block;
  opacity: 0;
  transform: translateY(0.55em);
  filter: blur(8px);
  transition: opacity 0.8s var(--ease-lux), transform 0.8s var(--ease-lux), filter 0.8s var(--ease-lux);
  transition-delay: calc(var(--w, 0) * 90ms);
}
.section.active .title-word,
.words-in .title-word {
  opacity: 1; transform: none; filter: blur(0);
}

/* journey dialogue: bubbles enter like film lines */
.journey-step .bubble {
  opacity: 0; transform: translateY(14px);
  transition: opacity 0.7s var(--ease-lux), transform 0.7s var(--ease-lux);
}
.journey-step.in .bubble { opacity: 1; transform: none; }
.journey-step.in .bubble:nth-child(1) { transition-delay: 0.15s; }
.journey-step.in .bubble:nth-child(2) { transition-delay: 0.55s; }
.journey-step.in .bubble:nth-child(3) { transition-delay: 0.95s; }

/* projector flicker for the story screen */
.story-screen::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(transparent 0 96%, color-mix(in srgb, var(--paper) 5%, transparent) 97%);
  background-size: 100% 5px;
  animation: projector 4.5s steps(24) infinite;
  opacity: 0.5;
}
@keyframes projector {
  0%, 92% { opacity: 0.35; }
  93% { opacity: 0.6; }
  94% { opacity: 0.25; }
  96% { opacity: 0.55; }
  100% { opacity: 0.35; }
}

/* ---------- cursor key + ripples ---------- */
.cursor-key {
  position: fixed; top: 0; left: 0; z-index: 150;
  pointer-events: none; opacity: 0;
  transform: translate(-6px, -6px) rotate(-35deg);
  transition: opacity 0.3s;
  filter: drop-shadow(0 0 6px rgba(214, 222, 230, 0.32));
}
body.key-cursor .cursor-key { opacity: 1; }
@media (pointer: coarse) { .cursor-key { display: none; } }

.ripple-layer { position: fixed; inset: 0; z-index: 1; pointer-events: none; overflow: hidden; }
.ripple {
  position: absolute; border-radius: 50%;
  border: 1px solid rgba(214, 222, 230, 0.3);
  transform: translate(-50%, -50%) scale(0);
  animation: rippleOut 1.4s var(--ease-lux) forwards;
}
@keyframes rippleOut {
  0%   { transform: translate(-50%, -50%) scale(0); opacity: 0.8; }
  100% { transform: translate(-50%, -50%) scale(1); opacity: 0; }
}

.theme-toggle {
  position: fixed;
  top: max(1rem, env(safe-area-inset-top, 0px) + 0.75rem);
  right: max(1rem, env(safe-area-inset-right, 0px) + 0.75rem);
  z-index: 146;
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  min-height: 38px;
  padding: 0.45rem 0.75rem 0.45rem 0.5rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: color-mix(in srgb, var(--ink-2) 76%, transparent);
  color: var(--paper);
  font: var(--brand-weight-medium) 0.78rem/1 var(--font-body);
  letter-spacing: 0;
  box-shadow: 0 16px 48px rgba(0,0,0,0.22);
  backdrop-filter: blur(16px);
  cursor: pointer;
  transition: background 0.25s var(--ease-lux), border-color 0.25s var(--ease-lux), color 0.25s var(--ease-lux);
}

.theme-toggle:hover,
.theme-toggle:focus-visible {
  border-color: color-mix(in srgb, var(--metal) 42%, transparent);
  background: color-mix(in srgb, var(--ink-3) 84%, transparent);
}

.theme-toggle:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}

.theme-toggle-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background:
    linear-gradient(135deg, var(--gold-soft), var(--metal-deep)),
    var(--ink-2);
  box-shadow: inset -5px -5px 10px rgba(0,0,0,0.24), inset 4px 4px 10px rgba(255,255,255,0.18);
}

body.light-theme .theme-toggle-icon {
  background:
    radial-gradient(circle at 35% 35%, #ffffff 0 22%, transparent 23%),
    linear-gradient(135deg, var(--metal), var(--gold-deep));
}

/* ---------- shared section chrome ---------- */
.section {
  position: relative; z-index: 2;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(4rem, 10vh, 7rem) clamp(1.25rem, 5vw, 3rem);
}

.section::before {
  content: "";
  position: absolute;
  inset: clamp(1rem, 3vw, 2rem) 0 auto;
  height: 1px;
  opacity: 0.38;
  background: linear-gradient(90deg, transparent, color-mix(in srgb, var(--metal) 34%, transparent), transparent);
}

.chapter {
  font-size: 0.75rem; letter-spacing: 0; text-transform: uppercase;
  color: var(--gold); margin-bottom: var(--space-lg);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 4.5vw, 3.2rem);
  font-weight: var(--brand-heading-weight); line-height: var(--brand-display-leading);
  letter-spacing: var(--brand-display-tracking);
  margin-bottom: var(--space-lg);
  max-width: 20ch;
}

.lede { font-size: clamp(1.05rem, 1.6vw, 1.25rem); color: var(--paper-dim); max-width: 56ch; margin-bottom: var(--space-2xl); }

.aside {
  font-family: var(--font-display); font-style: normal;
  font-weight: var(--brand-weight-medium);
  font-size: clamp(1.1rem, 2vw, 1.4rem);
  color: var(--gold-soft); margin-top: var(--space-2xl); max-width: 48ch;
}

.text-link { color: var(--gold); text-decoration: none; border-bottom: 1px solid var(--gold-deep); }
.text-link:hover { color: var(--gold-soft); }

/* reveal on scroll */
.reveal { opacity: 0; transform: translateY(42px) scale(0.985); filter: blur(10px); transition: opacity 1.05s var(--ease-lux), transform 1.05s var(--ease-lux), filter 1.05s var(--ease-lux); }
.reveal.in { opacity: 1; transform: none; }
.reveal.in { filter: blur(0); }

.section.active .lede {
  animation: ledeCinema 1.15s var(--ease-lux) 0.08s both;
}

@keyframes ledeCinema {
  from { opacity: 0; transform: translateY(14px); filter: blur(8px); }
  to { opacity: 1; transform: none; filter: blur(0); }
}

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 0.55em;
  padding: 0.82em 1.35em; border-radius: 999px;
  font-family: var(--font-body); font-weight: var(--brand-weight-medium); font-size: 0.92rem;
  letter-spacing: 0; text-decoration: none;
  border: 1px solid color-mix(in srgb, var(--paper) 16%, transparent); transition: all 0.32s var(--ease-lux);
  background: color-mix(in srgb, var(--paper) 4.5%, transparent); color: var(--paper);
  backdrop-filter: blur(16px);
}
.btn-quiet { background: color-mix(in srgb, var(--paper) 5%, transparent); color: color-mix(in srgb, var(--paper) 90%, transparent); border-color: color-mix(in srgb, var(--paper) 16%, transparent); }
.btn-quiet:hover, .btn-quiet:focus-visible { background: color-mix(in srgb, var(--paper) 9%, transparent); border-color: color-mix(in srgb, var(--paper) 30%, transparent); transform: translateY(-1px); }
.btn-ghost { border-color: color-mix(in srgb, var(--paper) 18%, transparent); color: color-mix(in srgb, var(--paper) 82%, transparent); }
.btn-ghost:hover, .btn-ghost:focus-visible { border-color: color-mix(in srgb, var(--paper) 34%, transparent); color: var(--paper); transform: translateY(-1px); }
.btn-telegram { border-color: rgba(42,171,238,0.24); color: #9fd9f8; background: rgba(42,171,238,0.05); }
.btn-telegram:hover, .btn-telegram:focus-visible { background: rgba(42,171,238,0.09); border-color: rgba(42,171,238,0.4); transform: translateY(-1px); }
.btn-lg { font-size: 1.1rem; padding: 1em 2.2em; }
.btn:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; }

/* ============================================================
   ASTOR PLATFORM PAGES
   ============================================================ */
.hero-platform .hero-bg,
.hero-concierge .hero-bg,
.hero-glass .hero-bg {
  opacity: 0.92;
}

.product-split {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(1rem, 3vw, 1.75rem);
}

.product-split-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.product-panel,
.identity-card,
.axis-card,
.timeline-item,
.pricing-band {
  border: 1px solid color-mix(in srgb, var(--paper) 12%, transparent);
  background: linear-gradient(180deg, color-mix(in srgb, var(--paper) 5.5%, transparent), color-mix(in srgb, var(--paper) 2.5%, transparent));
  box-shadow: 0 24px 80px rgba(0,0,0,0.24);
  backdrop-filter: blur(16px);
}

.product-panel {
  min-height: 100%;
  padding: clamp(1.2rem, 3vw, 2rem);
  border-radius: 8px;
}

.product-panel-accent {
  border-color: color-mix(in srgb, var(--gold-soft) 26%, transparent);
  background: linear-gradient(180deg, color-mix(in srgb, var(--metal) 13%, transparent), color-mix(in srgb, var(--paper) 3.5%, transparent));
}

.product-kicker {
  color: var(--gold);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0;
  margin-bottom: 0.65rem;
}

.product-panel h3 {
  font-size: clamp(1.45rem, 3vw, 2.2rem);
  line-height: 1.1;
  margin-bottom: 1rem;
}

.product-panel p,
.identity-card p,
.axis-card span,
.timeline-item span,
.pricing-band span {
  color: var(--paper-dim);
}

.product-panel ul {
  display: grid;
  gap: 0.55rem;
  margin: 1.25rem 0 1.6rem;
  padding-left: 1.1rem;
  color: color-mix(in srgb, var(--paper) 88%, transparent);
}

.identity-grid,
.axis-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(0.85rem, 2vw, 1.25rem);
}

.axis-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.identity-card,
.axis-card {
  padding: 1.15rem;
  border-radius: 8px;
}

.identity-card span,
.axis-card strong {
  display: block;
  color: var(--paper);
  font-weight: var(--brand-weight-semibold);
  line-height: 1.22;
  margin-bottom: 0.55rem;
}

.axis-card span {
  display: block;
  font-size: 0.93rem;
  line-height: 1.5;
}

.compact-features {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.timeline-list {
  display: grid;
  gap: 0.85rem;
}

.timeline-item {
  display: grid;
  grid-template-columns: minmax(150px, 0.34fr) 1fr;
  gap: 1rem;
  align-items: start;
  padding: 1.05rem 1.15rem;
  border-radius: 8px;
}

.timeline-item strong {
  color: var(--gold-soft);
}

.pricing-band {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  border-radius: 8px;
}

.pricing-band div {
  padding: clamp(1.15rem, 3vw, 1.75rem);
  background: rgba(11,10,8,0.34);
}

.pricing-band strong {
  display: block;
  color: var(--gold-soft);
  font-size: clamp(1.35rem, 2.8vw, 2.1rem);
  line-height: 1.05;
  margin-bottom: 0.55rem;
}

@media (max-width: 880px) {
  .product-split,
  .product-split-3,
  .identity-grid,
  .axis-grid,
  .compact-features,
  .pricing-band {
    grid-template-columns: 1fr;
  }

  .timeline-item {
    grid-template-columns: 1fr;
    gap: 0.4rem;
  }
}

/* ============================================================
   1. HERO
   ============================================================ */
.hero {
  position: relative; min-height: 100vh; min-height: 100svh;
  display: flex; align-items: center; justify-content: center;
  padding: 4rem 0 6rem;
  overflow: hidden;
  background: radial-gradient(120% 90% at 50% 110%, var(--ink-3) 0%, var(--ink) 56%);
}

/* camera plate: chat cards, status strips and soft metal light */
.hero-bg {
  position: absolute; inset: -6%;
  z-index: 0;
  background:
    radial-gradient(58% 42% at 50% 26%, color-mix(in srgb, var(--metal) 14%, transparent), transparent 64%),
    linear-gradient(130deg, color-mix(in srgb, var(--ink-3) 90%, transparent), color-mix(in srgb, var(--ink) 72%, transparent) 48%, color-mix(in srgb, var(--ink-2) 88%, transparent)),
    repeating-linear-gradient(0deg, transparent 0 42px, color-mix(in srgb, var(--paper) 5%, transparent) 43px),
    repeating-linear-gradient(90deg, transparent 0 58px, color-mix(in srgb, var(--paper) 4%, transparent) 59px);
  transform: translateY(var(--hero-shift, 0px)) scale(1.06);
  animation: kenBurns 7s var(--ease-lux) forwards;
  will-change: transform;
  overflow: hidden;
}

.hero-bg::before,
.hero-bg::after {
  content: "";
  position: absolute;
  width: clamp(260px, 34vw, 470px);
  height: clamp(210px, 28vw, 360px);
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--ink-3) 84%, transparent), color-mix(in srgb, var(--ink-2) 66%, transparent)),
    linear-gradient(90deg, transparent 0 18%, color-mix(in srgb, var(--metal) 26%, transparent) 18% 18.5%, transparent 18.5%);
  box-shadow: 0 34px 110px rgba(0,0,0,0.28), inset 0 1px 0 rgba(255,255,255,0.08);
  backdrop-filter: blur(18px);
}

.hero-bg::before {
  right: clamp(2rem, 8vw, 8rem);
  top: clamp(5rem, 12vh, 9rem);
  transform: rotate(-7deg);
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--ink-3) 88%, transparent), color-mix(in srgb, var(--ink-2) 70%, transparent)),
    radial-gradient(circle at 14% 18%, var(--gold-soft) 0 6px, transparent 7px),
    linear-gradient(90deg, transparent 0 14%, color-mix(in srgb, var(--paper) 10%, transparent) 14% 14.5%, transparent 14.5%);
}

.hero-bg::after {
  left: clamp(1rem, 7vw, 7rem);
  bottom: clamp(6rem, 11vh, 10rem);
  transform: rotate(8deg);
}

.hero::before {
  content: "Гость: стол у окна\A Astor: уточняю время\A Команда: карточка готова";
  position: absolute;
  z-index: 1;
  right: clamp(1rem, 10vw, 11rem);
  bottom: clamp(5rem, 15vh, 9rem);
  width: min(340px, calc(100vw - 2rem));
  padding: 1rem 1.1rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: color-mix(in srgb, var(--paper) 82%, transparent);
  background: color-mix(in srgb, var(--ink-2) 78%, transparent);
  box-shadow: 0 22px 70px rgba(0,0,0,0.24);
  backdrop-filter: blur(18px);
  font: var(--brand-weight-medium) 0.82rem/1.75 var(--font-body);
  white-space: pre-line;
  opacity: 0.68;
  pointer-events: none;
}

body.light-theme .hero::before {
  box-shadow: 0 18px 58px rgba(34,42,50,0.12);
}

.hero-glass::before {
  content: "Сотрудник: что в бизнес-ланче?\A Astor: суп, горячее, напиток\A Менеджер: журнал смены готов";
}
@keyframes kenBurns {
  from { transform: translateY(var(--hero-shift, 0px)) scale(1.12); }
  to   { transform: translateY(var(--hero-shift, 0px)) scale(1.04); }
}

.hero-dust {
  position: absolute; inset: 0; z-index: 1;
  pointer-events: none;
  mix-blend-mode: screen;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  opacity: 0.22;
  background:
    linear-gradient(transparent 0 94%, color-mix(in srgb, var(--paper) 8%, transparent) 95%),
    radial-gradient(70% 46% at 50% 105%, color-mix(in srgb, var(--metal) 20%, transparent), transparent 64%);
  background-size: 100% 7px, cover;
}

.hero-inner {
  position: relative; z-index: 2; text-align: center;
  padding: 2rem clamp(1.25rem, 5vw, 3rem);
  max-width: 820px;
}

/* staggered scene entrance */
.rise {
  opacity: 0;
  transform: translateY(18px);
  animation: rise 0.95s var(--ease-lux) forwards;
  animation-delay: calc(var(--d, 0) * 130ms + 120ms);
}
@keyframes rise {
  to { opacity: 1; transform: none; }
}

.hero-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  margin-bottom: clamp(1.8rem, 5vh, 3rem);
}

.hero-brand-mark {
  width: 44px;
  height: 44px;
  object-fit: cover;
  border-radius: 50%;
  border: 1px solid color-mix(in srgb, var(--metal) 36%, transparent);
}

.brand-monogram {
  display: inline-grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid color-mix(in srgb, var(--metal) 48%, transparent);
  background:
    radial-gradient(circle at 42% 34%, color-mix(in srgb, var(--metal) 24%, transparent), transparent 42%),
    linear-gradient(145deg, var(--surface-strong), color-mix(in srgb, var(--ink-2) 88%, transparent));
  color: var(--gold-soft);
  font-weight: var(--brand-weight-semibold);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  box-shadow: 0 0 28px color-mix(in srgb, var(--metal) 18%, transparent), inset 0 0 18px rgba(0,0,0,0.24);
}

.hero-brand-name {
  font-family: var(--font-display);
  font-size: 0.92rem;
  font-weight: var(--brand-weight-semibold);
  letter-spacing: 0.22em;
  color: color-mix(in srgb, var(--paper) 85%, transparent);
  text-transform: uppercase;
}

.hero-hook {
  font-family: var(--font-display); font-weight: var(--brand-heading-weight);
  font-size: clamp(1.75rem, 5.2vw, 3.1rem);
  line-height: var(--brand-hero-leading);
  letter-spacing: var(--brand-hero-tracking);
  text-wrap: balance;
}
.hook-line { display: block; }
.hook-accent { color: var(--gold-soft); margin-top: 0.35em; }

.hero-sub {
  margin: 1.5rem auto 0; max-width: 46ch;
  color: var(--paper-dim); font-size: clamp(1rem, 1.5vw, 1.15rem);
  text-wrap: balance;
}

.hero-cta {
  margin-top: clamp(1.6rem, 4.5vh, 2.6rem);
  display: flex; flex-wrap: wrap; gap: 0.8rem; justify-content: center;
}

.hero-scroll-hint {
  position: absolute;
  left: 50%;
  bottom: max(1.4rem, env(safe-area-inset-bottom, 0px) + 1rem);
  transform: translateX(-50%);
  z-index: 2;
  background: none; border: none; color: var(--paper-dim);
  font-family: var(--font-body); font-size: 0.74rem; letter-spacing: 0.18em;
  text-transform: uppercase; display: inline-flex; flex-direction: column;
  align-items: center; gap: 0.6em; cursor: pointer;
}
.hero-scroll-hint.rise { transform: translateX(-50%) translateY(18px); }
.hero-scroll-hint svg { animation: hintFloat 2.4s ease-in-out infinite; }
@keyframes hintFloat { 0%,100% { transform: translateY(0); } 50% { transform: translateY(5px); } }
@keyframes riseHint {
  to { opacity: 1; transform: translateX(-50%) translateY(0); }
}
.hero-scroll-hint.rise { animation-name: riseHint; }

/* ============================================================
   2. WHAT
   ============================================================ */
.what-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 1px; background: color-mix(in srgb, var(--metal) 18%, transparent); border: 1px solid color-mix(in srgb, var(--metal) 18%, transparent); }
.what-item { background: var(--ink); padding: 1.8rem 1.4rem; }
.what-num { display: block; font-family: var(--font-display); color: var(--gold); font-size: 0.9rem; margin-bottom: 0.8em; letter-spacing: 0; }
.what-item p { font-size: 1.05rem; }

.wide-visual {
  margin: 0 0 var(--space-2xl);
  border: 1px solid color-mix(in srgb, var(--metal) 20%, transparent);
  border-radius: 10px;
  overflow: hidden;
  background: var(--ink-2);
  box-shadow: 0 28px 80px rgba(0,0,0,0.36);
  position: relative;
  isolation: isolate;
}

.wide-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    linear-gradient(120deg, transparent 0 42%, color-mix(in srgb, var(--gold-soft) 11%, transparent) 50%, transparent 58%),
    radial-gradient(70% 55% at 78% 18%, color-mix(in srgb, var(--metal) 14%, transparent), transparent 60%);
  mix-blend-mode: screen;
  opacity: 0;
  transform: translateX(-16%);
  transition: opacity 1.1s var(--ease-lux), transform 1.4s var(--ease-lux);
}

.wide-visual.in::after {
  opacity: 1;
  transform: translateX(0);
}

.wide-visual img {
  width: 100%;
  aspect-ratio: 16 / 8.8;
  object-fit: cover;
}

.wide-visual figcaption {
  padding: 0.9rem 1rem 1rem;
  font-size: 0.8rem;
  letter-spacing: 0;
  text-transform: uppercase;
  color: var(--paper-dim);
  border-top: 1px solid color-mix(in srgb, var(--paper) 6%, transparent);
  position: relative;
  z-index: 2;
  background: rgba(11,10,8,0.62);
  backdrop-filter: blur(10px);
}

.scene-visual {
  margin-top: var(--space-2xl);
}

.scene-final img {
  object-fit: contain;
  object-position: 50% 18%;
  padding: clamp(1rem, 3vw, 2.4rem);
  background:
    radial-gradient(48% 72% at 50% 32%, color-mix(in srgb, var(--gold-soft) 14%, transparent), transparent 68%),
    linear-gradient(140deg, rgba(20,17,13,0.98), rgba(8,7,6,0.98));
}

/* ============================================================
   3. CHAT FRAGMENTS
   ============================================================ */
.section-journey { background: linear-gradient(180deg, transparent, color-mix(in srgb, var(--ink-2) 82%, transparent) 12%, color-mix(in srgb, var(--ink-2) 82%, transparent) 88%, transparent); max-width: none; }
.section-journey > * { max-width: var(--maxw); margin-left: auto; margin-right: auto; }
.section-journey .section-title, .section-journey .lede, .section-journey .chapter { padding-left: 0; }

.journey-track {
  max-width: 720px; margin: 0 auto; position: relative;
  padding-left: clamp(1.5rem, 4vw, 2.5rem);
  border-left: 1px solid color-mix(in srgb, var(--metal) 25%, transparent);
}
.journey-step { margin-bottom: clamp(2.5rem, 7vh, 4.5rem); position: relative; }
.journey-step::before {
  content: ""; position: absolute;
  left: calc(-1 * clamp(1.5rem, 4vw, 2.5rem) - 5px);
  top: 6px; width: 9px; height: 9px; border-radius: 50%;
  background: var(--gold); box-shadow: 0 0 12px color-mix(in srgb, var(--metal) 70%, transparent);
}
.j-label {
  font-size: 0.72rem; letter-spacing: 0; text-transform: uppercase;
  color: var(--gold); margin-bottom: 0.9rem;
}

.chat-frag { display: flex; flex-direction: column; gap: 0.7rem; }
.bubble {
  max-width: 78%; padding: 0.85em 1.15em; font-size: 0.98rem; line-height: 1.5;
  border-radius: 14px;
}
.bubble.guest {
  align-self: flex-end; background: color-mix(in srgb, var(--metal) 14%, transparent);
  border: 1px solid color-mix(in srgb, var(--metal) 30%, transparent); color: var(--gold-soft);
  border-bottom-right-radius: 3px;
}
.bubble.butler-msg {
  align-self: flex-start; background: var(--ink-3); color: var(--paper);
  border: 1px solid color-mix(in srgb, var(--paper) 7%, transparent);
  border-bottom-left-radius: 3px;
}
.bubble.small { font-size: 0.85rem; max-width: 92%; }
.media-chip {
  display: inline-block; margin: 0 0.35em 0.5em 0; padding: 0.25em 0.8em;
  border: 1px solid color-mix(in srgb, var(--metal) 40%, transparent); border-radius: 20px;
  font-size: 0.8rem; color: var(--gold-soft);
}
.draft-chip {
  display: inline-block; margin-top: 0.6em; padding: 0.2em 0.8em;
  background: color-mix(in srgb, var(--metal) 12%, transparent); border: 1px dashed color-mix(in srgb, var(--metal) 50%, transparent);
  border-radius: 4px; font-size: 0.75rem; letter-spacing: 0; color: var(--gold-soft);
}

/* ============================================================
   4. UNDERSTANDING
   ============================================================ */
.brain-stage { position: relative; }
.brain-phrases {
  display: flex; flex-wrap: wrap; gap: 1rem 1.6rem;
  margin-bottom: var(--space-2xl); justify-content: center;
}
.phrase {
  font-family: var(--font-display); font-weight: var(--brand-weight-medium);
  font-size: clamp(1.05rem, 2.2vw, 1.5rem); color: var(--paper-dim);
}
.phrase:nth-child(odd) { color: var(--paper); }

.brain-flow {
  display: flex; align-items: stretch; gap: 0.8rem; flex-wrap: wrap;
  justify-content: center;
}
.brain-node {
  flex: 1 1 190px; max-width: 240px; min-width: 170px;
  background: var(--ink-2); border: 1px solid color-mix(in srgb, var(--metal) 15%, transparent);
  border-radius: 6px; padding: 1.3rem 1.1rem; text-align: center;
  display: flex; flex-direction: column; justify-content: center; gap: 0.9rem;
}
.brain-arrow { align-self: center; color: var(--gold); font-size: 1.4rem; }
.node-label { font-size: 0.75rem; letter-spacing: 0; text-transform: uppercase; color: var(--paper-dim); }

.waveform { display: flex; align-items: center; justify-content: center; gap: 3px; height: 38px; }
.waveform span {
  width: 3px; background: var(--gold); border-radius: 2px;
  animation: wave 1.2s ease-in-out infinite;
}
.waveform span:nth-child(1) { height: 30%; animation-delay: 0s; }
.waveform span:nth-child(2) { height: 60%; animation-delay: 0.1s; }
.waveform span:nth-child(3) { height: 90%; animation-delay: 0.2s; }
.waveform span:nth-child(4) { height: 45%; animation-delay: 0.3s; }
.waveform span:nth-child(5) { height: 75%; animation-delay: 0.4s; }
.waveform span:nth-child(6) { height: 35%; animation-delay: 0.5s; }
.waveform span:nth-child(7) { height: 85%; animation-delay: 0.15s; }
.waveform span:nth-child(8) { height: 50%; animation-delay: 0.25s; }
.waveform span:nth-child(9) { height: 70%; animation-delay: 0.35s; }
.waveform span:nth-child(10) { height: 40%; animation-delay: 0.45s; }
.waveform span:nth-child(11) { height: 65%; animation-delay: 0.05s; }
.waveform span:nth-child(12) { height: 30%; animation-delay: 0.55s; }
@keyframes wave { 0%,100% { transform: scaleY(0.5); } 50% { transform: scaleY(1); } }

.intent-badge {
  font-family: ui-monospace, "SF Mono", Menlo, monospace; font-size: 0.82rem;
  color: var(--gold-soft); background: color-mix(in srgb, var(--metal) 8%, transparent);
  border: 1px solid color-mix(in srgb, var(--metal) 30%, transparent); border-radius: 4px; padding: 0.5em 0.7em;
}
.fsm-route {
  font-family: ui-monospace, "SF Mono", Menlo, monospace; font-size: 0.78rem;
  color: var(--paper); display: flex; align-items: center; gap: 0.5em; justify-content: center;
  flex-wrap: wrap;
}
.fsm-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--gold); animation: pulse 1.8s infinite; }
@keyframes pulse { 0%,100% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--metal) 50%, transparent); } 50% { box-shadow: 0 0 0 6px transparent; } }

.mini-card { background: var(--ink-3); border-radius: 6px; padding: 0.9rem; text-align: left; border-left: 3px solid var(--gold); }
.mini-card-title { font-size: 0.72rem; letter-spacing: 0; text-transform: uppercase; color: var(--gold); margin-bottom: 0.5em; }
.mini-card-row { font-size: 0.85rem; color: var(--paper); }

/* ============================================================
   5. VOICE AND MEDIA
   ============================================================ */
.section-voice { background: linear-gradient(180deg, transparent, color-mix(in srgb, var(--ink-2) 82%, transparent) 15%, color-mix(in srgb, var(--ink-2) 82%, transparent) 85%, transparent); max-width: none; }
.section-voice > * { max-width: var(--maxw); margin-left: auto; margin-right: auto; }

.voice-cols { display: grid; grid-template-columns: repeat(auto-fit, minmax(290px, 1fr)); gap: clamp(1.5rem, 4vw, 3rem); }
.voice-col h3 { font-size: 1.5rem; letter-spacing: var(--brand-subhead-tracking); margin-bottom: 1.2rem; color: var(--gold-soft); }
.voice-steps { list-style: none; counter-reset: vs; }
.voice-steps li {
  counter-increment: vs; position: relative;
  padding: 0.8em 0 0.8em 3em; border-bottom: 1px solid color-mix(in srgb, var(--paper) 7%, transparent);
}
.voice-steps li::before {
  content: counter(vs, decimal-leading-zero);
  position: absolute; left: 0; top: 0.9em;
  font-family: var(--font-display); color: var(--gold); font-size: 0.9rem;
}
.vision-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0.7rem; margin-bottom: 1.2rem; }
.vision-visual {
  width: 100%;
  border-radius: 10px;
  border: 1px solid color-mix(in srgb, var(--metal) 22%, transparent);
  margin: 0 0 1rem;
  background: var(--ink);
  box-shadow: 0 20px 60px rgba(0,0,0,0.32);
}
.vision-tile {
  aspect-ratio: 16 / 10; display: flex; align-items: flex-end; padding: 0.8rem;
  border: 1px solid color-mix(in srgb, var(--metal) 25%, transparent); border-radius: 6px;
  font-size: 0.85rem; color: var(--gold-soft); letter-spacing: 0;
  background:
    radial-gradient(80% 80% at 70% 20%, color-mix(in srgb, var(--metal) 12%, transparent), transparent),
    var(--ink-2);
  position: relative; overflow: hidden;
}
.vision-tile::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(120deg, transparent 30%, color-mix(in srgb, var(--gold-soft) 10%, transparent) 50%, transparent 70%);
  transform: translateX(-100%); animation: visionScan 3.5s ease-in-out infinite;
}
.vision-tile:nth-child(2)::after { animation-delay: 0.8s; }
.vision-tile:nth-child(3)::after { animation-delay: 1.6s; }
.vision-tile:nth-child(4)::after { animation-delay: 2.4s; }
@keyframes visionScan { 0% { transform: translateX(-100%); } 60%, 100% { transform: translateX(100%); } }

.voice-motto {
  margin-top: var(--space-3xl); text-align: center;
  font-family: var(--font-display); font-weight: var(--brand-weight-medium);
  font-size: clamp(1.4rem, 3vw, 2.2rem); color: var(--gold);
}

/* ============================================================
   6. ROLES
   ============================================================ */
.roles-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(270px, 1fr)); gap: 1.4rem; }
.role-card {
  background: var(--ink-2); border: 1px solid color-mix(in srgb, var(--paper) 7%, transparent);
  border-radius: 8px; padding: 1.6rem 1.4rem;
}
.role-card h3 { font-size: 1.3rem; letter-spacing: var(--brand-subhead-tracking); }
.role-sub { color: var(--paper-dim); font-size: 0.9rem; margin: 0.3em 0 1.2em; }
.role-demo { display: flex; flex-direction: column; gap: 0.6rem; }

.role-card-hostess { border-color: color-mix(in srgb, var(--metal) 35%, transparent); }
.hostess-card { background: var(--ink-3); border-radius: 8px; padding: 1.1rem; border-left: 3px solid var(--gold); }
.hc-head { font-size: 0.72rem; letter-spacing: 0; text-transform: uppercase; color: var(--gold); margin-bottom: 0.9em; }
.hc-row { display: flex; justify-content: space-between; gap: 1rem; padding: 0.35em 0; font-size: 0.9rem; }
.hc-row span { color: var(--paper-dim); }
.hc-msgs { margin: 0.8em 0; padding: 0.7em; background: rgba(0,0,0,0.25); border-radius: 6px; }
.hc-msg { font-size: 0.82rem; color: var(--paper-dim); padding: 0.2em 0; }
.hc-actions { display: flex; gap: 0.6rem; margin-top: 0.9em; }
.hc-btn {
  flex: 1; text-align: center; padding: 0.55em; border-radius: 4px;
  font-size: 0.82rem; font-weight: var(--brand-weight-medium); letter-spacing: 0;
}
.hc-ok { background: var(--gold); color: var(--ink); }
.hc-no { border: 1px solid color-mix(in srgb, var(--paper) 25%, transparent); color: var(--paper-dim); }

.manager-demo { gap: 0.9rem; }
.mgr-row { display: flex; align-items: center; gap: 0.7em; font-size: 0.9rem; color: var(--paper-dim); }
.mgr-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--paper-dim); flex-shrink: 0; }
.mgr-dot.warn { background: #d97706; box-shadow: 0 0 8px rgba(217,119,6,0.6); }
.mgr-dot.ok { background: var(--gold); }

/* ============================================================
   7. FEATURES
   ============================================================ */
.section-features { background: linear-gradient(180deg, transparent, rgba(20,17,13,0.8) 15%, rgba(20,17,13,0.8) 85%, transparent); max-width: none; }
.section-features > * { max-width: var(--maxw); margin-left: auto; margin-right: auto; }

.features-list { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: clamp(1.5rem, 3vw, 2.5rem); }
.feature { border-top: 1px solid color-mix(in srgb, var(--metal) 30%, transparent); padding-top: 1.2rem; }
.feature h3 {
  font-size: 1.25rem; letter-spacing: var(--brand-subhead-tracking);
  color: var(--gold-soft); margin-bottom: 0.5em;
}
.feature p { color: var(--paper-dim); font-size: 0.98rem; }

/* ============================================================
   8. COMPARISON
   ============================================================ */
.compare-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1.4rem; align-items: stretch; }
.compare-col {
  background: var(--ink-2); border: 1px solid color-mix(in srgb, var(--paper) 8%, transparent);
  border-radius: 8px; padding: 2rem 1.6rem;
  display: flex; flex-direction: column;
}
.compare-hero {
  border-color: var(--gold); background: linear-gradient(170deg, color-mix(in srgb, var(--metal) 10%, transparent), var(--ink-2) 45%);
  box-shadow: 0 20px 60px rgba(0,0,0,0.45);
}
.compare-icon { color: var(--gold); margin-bottom: 1.2rem; }
.compare-col h3 { font-size: 1.4rem; letter-spacing: var(--brand-subhead-tracking); display: flex; flex-direction: column; }
.compare-price { font-family: var(--font-body); font-size: 0.8rem; color: var(--paper-dim); letter-spacing: 0; margin-top: 0.3em; }
.compare-col ul { list-style: none; margin: 1.2rem 0; flex: 1; }
.compare-col li { padding: 0.5em 0 0.5em 1.4em; position: relative; font-size: 0.95rem; color: var(--paper-dim); border-bottom: 1px solid color-mix(in srgb, var(--paper) 5%, transparent); }
.compare-col li::before { content: "·"; position: absolute; left: 0.2em; color: var(--gold); font-size: 1.4em; line-height: 1; }
.compare-hero li { color: var(--paper); }
.compare-verdict { font-family: var(--font-display); font-weight: var(--brand-weight-medium); color: var(--gold-soft); font-size: 1rem; }

/* ============================================================
   9. BUSINESS
   ============================================================ */
.biz-cols { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1.4rem; margin-bottom: var(--space-2xl); }
.biz-col { border-left: 2px solid var(--gold); padding-left: 1.4rem; }
.biz-col h3 { font-size: 1.3rem; letter-spacing: var(--brand-subhead-tracking); margin-bottom: 0.4em; color: var(--gold-soft); }
.biz-col p { color: var(--paper-dim); }

.biz-stage h3 { font-size: 1.3rem; letter-spacing: var(--brand-subhead-tracking); margin-bottom: 1.4rem; }
.biz-numbers { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 1px; background: color-mix(in srgb, var(--metal) 18%, transparent); border: 1px solid color-mix(in srgb, var(--metal) 18%, transparent); }
.biz-num { background: var(--ink); padding: 1.6rem 1.2rem; text-align: center; }
.biz-num strong { display: block; font-family: var(--font-display); font-size: clamp(1.6rem, 3vw, 2.4rem); color: var(--gold); font-weight: var(--brand-weight-semibold); }
.biz-num span { font-size: 0.85rem; color: var(--paper-dim); letter-spacing: 0; }

.next-chapter { margin-top: var(--space-2xl); font-size: 1.05rem; color: var(--paper-dim); }
.next-chapter em { font-family: var(--font-display); font-style: normal; color: var(--gold-soft); }

/* ============================================================
   10. CASE FRAME
   ============================================================ */
.section-story { background: linear-gradient(180deg, transparent, rgba(20,17,13,0.8) 15%, rgba(20,17,13,0.8) 85%, transparent); max-width: none; }
.section-story > * { max-width: var(--maxw); margin-left: auto; margin-right: auto; }

.story-frame { display: grid; grid-template-columns: minmax(260px, 1fr) minmax(280px, 1.2fr); gap: clamp(1.5rem, 4vw, 3rem); align-items: center; }
@media (max-width: 760px) { .story-frame { grid-template-columns: 1fr; } }

.story-screen {
  aspect-ratio: 16 / 10; border-radius: 8px; position: relative; overflow: hidden;
  background:
    radial-gradient(90% 90% at 30% 70%, color-mix(in srgb, var(--metal) 14%, transparent), transparent),
    linear-gradient(160deg, #1d1710, #0e0c09);
  border: 1px solid color-mix(in srgb, var(--metal) 20%, transparent);
  display: flex; align-items: flex-end; padding: 1.2rem;
}

.story-screen img {
  position: absolute;
  right: 8%;
  bottom: -16%;
  width: min(42%, 170px);
  filter: drop-shadow(0 24px 42px rgba(0,0,0,0.68));
}
.story-rec {
  position: absolute; top: 1rem; left: 1rem;
  display: flex; align-items: center; gap: 0.5em;
  font-family: ui-monospace, monospace; font-size: 0.75rem; letter-spacing: 0; color: var(--paper);
}
.rec-dot { width: 9px; height: 9px; border-radius: 50%; background: #dc2626; animation: recBlink 1.4s infinite; }
@keyframes recBlink { 0%,100% { opacity: 1; } 50% { opacity: 0.2; } }
.story-scene { font-size: 0.85rem; color: var(--paper-dim); letter-spacing: 0; }

.story-text p { color: var(--paper-dim); margin-bottom: 1.2rem; }
.story-list { list-style: none; }
.story-list li { padding: 0.55em 0 0.55em 1.6em; position: relative; border-bottom: 1px solid color-mix(in srgb, var(--paper) 6%, transparent); }
.story-list li::before { content: "⚿"; position: absolute; left: 0; color: var(--gold); }

/* ============================================================
   11. FINAL / CTA
   ============================================================ */
.section-final { text-align: center; padding-bottom: 6rem; }
.section-final .section-title, .section-final .lede { margin-left: auto; margin-right: auto; }
.final-cta { display: flex; flex-wrap: wrap; gap: 1rem; justify-content: center; margin: var(--space-2xl) 0; }

.doc-links { display: flex; flex-wrap: wrap; gap: 1.5rem 2.5rem; justify-content: center; margin: var(--space-3xl) 0; }
.doc-links a { color: var(--paper-dim); text-decoration: none; font-size: 0.9rem; letter-spacing: 0; border-bottom: 1px solid color-mix(in srgb, var(--metal) 3%, transparent); padding-bottom: 2px; transition: color 0.25s; }
.doc-links a:hover { color: var(--gold-soft); }

.footer { margin-top: var(--space-3xl); padding-top: var(--space-2xl); border-top: 1px solid color-mix(in srgb, var(--paper) 7%, transparent); }
.footer-logo { font-family: var(--font-display); letter-spacing: 0; font-size: 1rem; margin-bottom: 0.6em; }
.footer-key { color: var(--gold); padding: 0 0.2em; }
.footer p { color: var(--paper-dim); font-size: 0.82rem; }
.footer-link { color: var(--paper-dim); text-decoration: none; border-bottom: 1px solid color-mix(in srgb, var(--paper) 25%, transparent); transition: color 0.25s, border-color 0.25s; }
.footer-link:hover { color: var(--gold-soft); border-color: var(--gold-soft); }

/* ============================================================
   CHAT WIDGET
   ============================================================ */
.chat-widget { position: fixed; right: 1.4rem; bottom: 1.4rem; z-index: 100; display: flex; flex-direction: column; align-items: flex-end; gap: 0.8rem; }
.chat-widget[aria-hidden="true"] { visibility: hidden; opacity: 0; transform: translateY(20px); }
.chat-widget { transition: opacity 0.6s var(--ease-lux), transform 0.6s var(--ease-lux), visibility 0.6s; }

.chat-fab {
  width: 58px; height: 58px; border-radius: 50%;
  background: color-mix(in srgb, var(--ink-2) 86%, transparent); color: var(--gold-soft);
  border: 1px solid color-mix(in srgb, var(--gold-soft) 35%, transparent); cursor: pointer;
  backdrop-filter: blur(14px);
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 12px 32px rgba(0,0,0,0.5);
  transition: transform 0.25s var(--ease-lux), border-color 0.25s var(--ease-lux);
}
.chat-fab:hover { border-color: color-mix(in srgb, var(--gold-soft) 60%, transparent); }
.chat-fab:hover, .chat-fab:focus-visible { transform: translateY(-3px) scale(1.05); }
.chat-fab:focus-visible { outline: 2px solid var(--paper); outline-offset: 3px; }

.chat-panel {
  width: min(360px, calc(100vw - 2.8rem));
  background: var(--ink-2); border: 1px solid color-mix(in srgb, var(--metal) 25%, transparent);
  border-radius: 12px; overflow: hidden;
  box-shadow: 0 24px 70px rgba(0,0,0,0.6);
  display: none; flex-direction: column;
}
.chat-widget.open .chat-panel { display: flex; animation: chatIn 0.45s var(--ease-lux); }
.chat-widget.open .chat-fab { display: none; }
@keyframes chatIn { from { opacity: 0; transform: translateY(16px) scale(0.97); } to { opacity: 1; transform: none; } }

.chat-head { display: flex; align-items: center; justify-content: space-between; padding: 0.9rem 1rem; background: var(--ink-3); border-bottom: 1px solid color-mix(in srgb, var(--metal) 15%, transparent); }
.chat-head-title { display: flex; align-items: center; gap: 0.7em; }
.chat-avatar {
  width: 36px; height: 36px; border-radius: 50%;
  background: color-mix(in srgb, var(--paper) 6%, transparent);
  border: 1px solid color-mix(in srgb, var(--gold-soft) 40%, transparent);
  color: var(--gold-soft);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.78rem; font-weight: var(--brand-weight-semibold); letter-spacing: 0.05em;
}
.chat-head-title strong { display: block; font-weight: var(--brand-weight-medium); font-size: 0.95rem; }
.chat-status { font-size: 0.72rem; color: var(--gold-soft); }
.chat-close { background: none; border: none; color: var(--paper-dim); font-size: 1.5rem; cursor: pointer; line-height: 1; padding: 0.2em 0.4em; }
.chat-close:hover { color: var(--paper); }

.chat-log { padding: 1rem; height: 280px; overflow-y: auto; display: flex; flex-direction: column; gap: 0.6rem; }
.chat-log .bubble { max-width: 88%; font-size: 0.9rem; }
.chat-typing { display: inline-flex; gap: 4px; padding: 0.8em 1.1em; }
.chat-typing span { width: 6px; height: 6px; border-radius: 50%; background: var(--paper-dim); animation: typing 1.2s infinite; }
.chat-typing span:nth-child(2) { animation-delay: 0.2s; }
.chat-typing span:nth-child(3) { animation-delay: 0.4s; }
@keyframes typing { 0%,100% { opacity: 0.25; transform: translateY(0); } 50% { opacity: 1; transform: translateY(-3px); } }

.chat-form { display: flex; border-top: 1px solid color-mix(in srgb, var(--paper) 8%, transparent); }
.chat-form input {
  flex: 1; background: none; border: none; padding: 0.95rem 1rem;
  color: var(--paper); font-family: var(--font-body); font-size: 0.92rem;
}
.chat-form input:focus { outline: none; background: color-mix(in srgb, var(--metal) 5%, transparent); }
.chat-form input::placeholder { color: rgba(184,172,151,0.55); }
.chat-form button { background: none; border: none; color: var(--gold); padding: 0 1.1rem; cursor: pointer; }
.chat-form button:hover { color: var(--gold-soft); }

/* ============================================================
   Reduced motion & small screens
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.15s !important; }
  .reveal { opacity: 1; transform: none; filter: none; }
  .rise { opacity: 1; transform: none; animation: none; }
  .hero-scroll-hint.rise { transform: translateX(-50%); }
  .cursor-key, .ripple-layer { display: none; }
  body.key-cursor, body.key-cursor a, body.key-cursor button { cursor: auto; }
  .letterbox, .grain, .hero-dust { display: none; }
  .hero-bg { animation: none; transform: none; }
  .title-word { opacity: 1; transform: none; filter: none; transition: none; }
  .journey-step .bubble { opacity: 1; transform: none; transition: none; }
  .story-screen::after { display: none; }
}

/* ---------- tablet ---------- */
@media (max-width: 900px) {
  .section { padding: clamp(3rem, 8vh, 5rem) clamp(1.1rem, 4vw, 2rem); }
  .brain-flow { gap: 0.6rem; }
  .voice-motto { margin-top: var(--space-2xl); }
}

/* ---------- mobile ---------- */
@media (max-width: 600px) {
  .theme-toggle {
    top: max(0.75rem, env(safe-area-inset-top, 0px) + 0.55rem);
    right: max(0.75rem, env(safe-area-inset-right, 0px) + 0.55rem);
  }

  .hero {
    min-height: 100svh;
    padding: 4.5rem 0 5.5rem;
  }

  .hero::before {
    display: none;
  }

  .hero-bg {
    background:
      radial-gradient(80% 40% at 50% 20%, color-mix(in srgb, var(--metal) 8%, transparent), transparent 65%),
      linear-gradient(180deg, color-mix(in srgb, var(--ink) 82%, transparent), color-mix(in srgb, var(--ink-2) 68%, transparent) 45%, color-mix(in srgb, var(--ink) 92%, transparent)),
      repeating-linear-gradient(0deg, transparent 0 36px, color-mix(in srgb, var(--paper) 4%, transparent) 37px);
  }
  .letterbox { height: 7vh; }
  .grain { opacity: 0.035; }
  .hero-inner { padding: 0 1.25rem; }
  .reveal { filter: none; }
  .hero-brand { margin-bottom: 1.6rem; }
  .hero-brand-mark, .brand-monogram { width: 38px; height: 38px; }
  .hero-hook { font-size: clamp(1.6rem, 8vw, 2rem); }
  .hero-sub { font-size: 0.98rem; max-width: 34ch; }
  .hero-cta { margin-top: 1.6rem; flex-direction: column; align-items: stretch; }
  .hero-cta .btn { width: 100%; justify-content: center; }
  .hero-scroll-hint { bottom: max(1rem, env(safe-area-inset-bottom, 0px) + 0.6rem); }

  .section-title { max-width: none; }
  .lede { margin-bottom: var(--space-lg); }

  .journey-track { padding-left: 1.1rem; }
  .journey-step::before { left: calc(-1.1rem - 5px); }
  .bubble { max-width: 94%; font-size: 0.92rem; }

  .brain-phrases { gap: 0.5rem 1rem; }
  .phrase { font-size: 1rem; }
  .brain-flow { flex-direction: column; align-items: stretch; }
  .brain-node { max-width: none; }
  .brain-arrow { transform: rotate(90deg); width: 100%; text-align: center; }

  .vision-grid { grid-template-columns: 1fr 1fr; gap: 0.5rem; }

  .hostess-card { padding: 0.9rem; }
  .hc-row { font-size: 0.85rem; }

  .compare-col { padding: 1.5rem 1.2rem; }

  .biz-numbers { grid-template-columns: 1fr 1fr; }

  .story-screen { aspect-ratio: 16 / 11; }

  .final-cta { flex-direction: column; align-items: stretch; }
  .final-cta .btn { width: 100%; justify-content: center; }
  .doc-links { flex-direction: column; gap: 0.9rem; align-items: center; }

  .chat-widget { right: 0.9rem; bottom: 0.9rem; }
  .chat-log { height: min(280px, 38vh); }
}