/* ==========================================================================
   AI Wallpaper Generator — Design System & 3D Animation Layer
   Pure CSS3. Mobile-first. No frameworks, no build step.
   ========================================================================== */

/* ---------- 1. Design tokens ---------- */
:root {
  /* color */
  --bg-0: #08080b;
  --bg-1: #0d0d12;
  --bg-2: #121218;
  --surface: rgba(255, 255, 255, 0.045);
  --surface-2: rgba(255, 255, 255, 0.07);
  --border: rgba(255, 255, 255, 0.09);
  --border-strong: rgba(255, 255, 255, 0.16);
  --text-1: #f5f3ef;
  --text-2: #b0a99f;
  --text-3: #7d766d;
  --accent: #f2a53c;
  --accent-soft: #f7c877;
  --accent-2: #ef6b4a;
  --grad-accent: linear-gradient(120deg, #f6b04e, #ef6b4a 90%);
  --ok: #7fc98f;
  --danger: #e5766a;
  --ring: rgba(242, 165, 60, 0.55);

  /* category hues (chips/dots only) */
  --hue-desktop: #8fd0a0;
  --hue-mobile: #f2b7c6;
  --hue-gaming: #ef7b5c;
  --hue-anime: #f6a1b5;
  --hue-3d: #e8b45f;
  --hue-nature: #93c48e;
  --hue-abstract: #c9a6ec;
  --hue-space: #a9b4e0;

  /* typography */
  --font-display: "Sora", "Segoe UI", system-ui, sans-serif;
  --font-body: "Inter", "Segoe UI", system-ui, sans-serif;

  /* geometry */
  --r-sm: 10px;
  --r-md: 14px;
  --r-lg: 20px;
  --r-xl: 28px;
  --container: 1180px;
  --header-h: 72px;

  /* elevation */
  --shadow-1: 0 2px 10px rgba(0, 0, 0, 0.35);
  --shadow-2: 0 18px 50px -12px rgba(0, 0, 0, 0.55);
  --shadow-accent: 0 10px 40px -8px rgba(242, 165, 60, 0.35);

  /* motion */
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --t-fast: 0.18s;
  --t-med: 0.45s;
  --t-slow: 0.9s;

  /* 3D scene vars (JS-driven where noted) */
  --px: 0;   /* pointer -1..1 */
  --py: 0;   /* pointer -1..1 */
}

/* ---------- 2. Reset & base ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

* { margin: 0; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  overflow-x: clip;   /* hard guarantee: the page never scrolls sideways */
}

body {
  background: var(--bg-0);
  color: var(--text-1);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.65;
  overflow-x: clip;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

main { flex: 1 0 auto; }

img, svg, canvas, video { display: block; max-width: 100%; }
img { height: auto; }

a { color: inherit; text-decoration: none; }
ul[class], ol[class] { list-style: none; padding: 0; }
button, input, textarea, select { font: inherit; color: inherit; }
button { cursor: pointer; background: none; border: 0; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

::selection { background: rgba(242, 165, 60, 0.32); color: #fff; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

@media (prefers-reduced-motion: no-preference) {
  html { scroll-padding-top: calc(var(--header-h) + 16px); }
}
section[id], [id="main"] { scroll-margin-top: calc(var(--header-h) + 16px); }

/* thin scrollbar for inner scroll areas */
* { scrollbar-width: thin; scrollbar-color: rgba(255,255,255,.18) transparent; }
*::-webkit-scrollbar { width: 8px; height: 8px; }
*::-webkit-scrollbar-thumb { background: rgba(255,255,255,.16); border-radius: 99px; }
*::-webkit-scrollbar-track { background: transparent; }

/* ---------- 3. Utilities ---------- */
.container { width: min(var(--container), 100% - 2.5rem); margin-inline: auto; }

.section { padding-block: clamp(4rem, 9vw, 7rem); position: relative; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-soft);
  margin-bottom: 1.1rem;
}
.eyebrow::before {
  content: "";
  width: 22px;
  height: 1px;
  background: var(--grad-accent);
}

.section-head { max-width: 640px; margin-bottom: clamp(2.2rem, 5vw, 3.6rem); }
.section-head h2 { font-size: clamp(1.7rem, 4vw, 2.6rem); margin-bottom: 0.9rem; }
.section-head .lead { color: var(--text-2); font-size: 1.05rem; }
.section-head.center { margin-inline: auto; text-align: center; }
.section-head.center .eyebrow::before { display: none; }

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

.skip-link {
  position: fixed;
  top: -60px; left: 1rem;
  z-index: 200;
  background: var(--accent);
  color: #14100a;
  font-weight: 600;
  padding: 0.6rem 1.1rem;
  border-radius: 0 0 var(--r-sm) var(--r-sm);
  transition: top var(--t-fast);
}
.skip-link:focus { top: 0; }

/* ---------- 4. Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  line-height: 1;
  padding: 0.9rem 1.5rem;
  border-radius: var(--r-md);
  border: 1px solid transparent;
  transition: transform var(--t-fast) var(--ease-out),
              box-shadow var(--t-fast) var(--ease-out),
              background-color var(--t-fast), border-color var(--t-fast), color var(--t-fast);
  white-space: nowrap;
  min-height: 44px;
}
.btn svg { width: 18px; height: 18px; flex: none; }
.btn:active { transform: translateY(1px) scale(0.99); }

.btn-primary {
  background: var(--grad-accent);
  color: #1b1105;
  box-shadow: 0 4px 18px -6px rgba(242, 165, 60, 0.5);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-accent);
}

.btn-outline {
  border-color: var(--border-strong);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-1);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.btn-outline:hover {
  border-color: rgba(242, 165, 60, 0.6);
  background: rgba(242, 165, 60, 0.08);
  transform: translateY(-2px);
}

.btn-ghost { color: var(--text-2); padding-inline: 0.9rem; }
.btn-ghost:hover { color: var(--text-1); background: var(--surface); }

.btn-lg { padding: 1.05rem 1.9rem; font-size: 1.02rem; border-radius: 16px; }
.btn-sm { padding: 0.62rem 1.05rem; font-size: 0.86rem; border-radius: 11px; min-height: 40px; }
.btn[disabled] { opacity: 0.45; pointer-events: none; }

.btn .spinner {
  width: 16px; height: 16px;
  border: 2px solid rgba(20, 12, 4, 0.35);
  border-top-color: #1b1105;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- 5. Header & nav ---------- */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  height: var(--header-h);
  transition: background-color var(--t-med), border-color var(--t-med), backdrop-filter var(--t-med);
  border-bottom: 1px solid transparent;
}
.site-header.scrolled {
  background: rgba(8, 8, 11, 0.78);
  border-bottom-color: var(--border);
  backdrop-filter: blur(14px) saturate(1.3);
  -webkit-backdrop-filter: blur(14px) saturate(1.3);
}
.header-inner {
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand { display: inline-flex; align-items: center; gap: 0.65rem; flex: none; }
.brand-mark {
  width: 38px; height: 38px;
  display: grid; place-items: center;
  border-radius: 12px;
  background: var(--grad-accent);
  box-shadow: 0 4px 16px -4px rgba(242, 165, 60, 0.55);
  transform: translateZ(0);
  transition: transform var(--t-med) var(--ease-spring);
}
.brand:hover .brand-mark { transform: rotate(-8deg) scale(1.06); }
.brand-mark svg { width: 21px; height: 21px; }
.brand-text {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  line-height: 1.1;
  letter-spacing: -0.01em;
}
.brand-text small {
  display: block;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.66rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-3);
}

.nav { display: none; }
.nav ul { display: flex; align-items: center; gap: 0.25rem; list-style: none; margin: 0; padding: 0; }
.nav a {
  display: block;
  padding: 0.55rem 0.85rem;
  border-radius: 10px;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-2);
  transition: color var(--t-fast), background-color var(--t-fast);
}
.nav a:hover { color: var(--text-1); background: var(--surface); }
.nav a[aria-current="page"] { color: var(--accent-soft); background: rgba(242, 165, 60, 0.09); }

.header-actions { display: flex; align-items: center; gap: 0.6rem; }
.header-actions .btn-primary { display: none; }

/* hamburger */
.menu-btn {
  width: 44px; height: 44px;
  display: grid; place-items: center;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--surface);
  transition: border-color var(--t-fast), background-color var(--t-fast);
}
.menu-btn:hover { border-color: var(--border-strong); }
.menu-btn .icon-close { display: none; }
.menu-btn[aria-expanded="true"] .icon-open { display: none; }
.menu-btn[aria-expanded="true"] .icon-close { display: block; }
.menu-btn svg { width: 22px; height: 22px; }

/* mobile menu — dropdown panel, never a sidebar */
.mobile-menu {
  position: fixed;
  top: var(--header-h);
  left: 0; right: 0;
  z-index: 99;
  background: rgba(10, 10, 14, 0.97);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border);
  padding: 1rem 1.25rem 1.5rem;
  display: grid;
  gap: 0.2rem;
  transform: translateY(-8px);
  opacity: 0;
  visibility: hidden;
  transition: transform var(--t-med) var(--ease-out), opacity var(--t-med), visibility var(--t-med);
  max-height: calc(100dvh - var(--header-h));
  overflow-y: auto;
}
.mobile-menu.open { transform: translateY(0); opacity: 1; visibility: visible; }
.mobile-menu a:not(.btn) {
  padding: 0.85rem 0.9rem;
  border-radius: var(--r-sm);
  font-family: var(--font-display);
  font-weight: 500;
  color: var(--text-1);
  border: 1px solid transparent;
}
.mobile-menu a:not(.btn):hover { background: var(--surface); }
.mobile-menu a[aria-current="page"] { color: var(--accent-soft); border-color: rgba(242,165,60,.25); background: rgba(242,165,60,.07); }
.mobile-menu .btn { margin-top: 0.8rem; width: 100%; }
body.menu-locked { overflow: hidden; }

@media (min-width: 960px) {
  .nav { display: block; }
  .menu-btn, .mobile-menu { display: none; }
  .header-actions .btn-primary { display: inline-flex; }
}

/* ---------- 6. Breadcrumbs & page hero (subpages) ---------- */
nav[aria-label="Breadcrumb"] {
  padding-top: calc(var(--header-h) + 1.6rem);
}
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.82rem;
  color: var(--text-3);
}
.breadcrumb a { color: var(--text-2); transition: color var(--t-fast); }
.breadcrumb a:hover { color: var(--accent-soft); }
.breadcrumb li:not(:last-child)::after { content: "/"; margin-left: 0.45rem; color: var(--text-3); opacity: .5; }
.breadcrumb [aria-current="page"] { color: var(--text-1); }

.page-hero { padding-block: clamp(1.8rem, 4vw, 3rem) clamp(2.4rem, 5vw, 3.6rem); }
.page-hero h1 {
  font-size: clamp(2rem, 5.4vw, 3.4rem);
  margin-bottom: 1rem;
}
.page-hero .lead { color: var(--text-2); font-size: clamp(1rem, 2vw, 1.15rem); max-width: 46rem; }
.page-hero .accent { color: var(--accent-soft); }

/* ---------- 7. Reveal-on-scroll ---------- */
html.js [data-reveal] {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity var(--t-slow) var(--ease-out), transform var(--t-slow) var(--ease-out);
  transition-delay: var(--rd, 0s);
  will-change: opacity, transform;
}
html.js [data-reveal="left"] { transform: translateX(-34px); }
html.js [data-reveal="right"] { transform: translateX(34px); }
html.js [data-reveal="scale"] { transform: scale(0.92); }
html.js [data-reveal="flip"] { transform: perspective(900px) rotateX(14deg) translateY(30px); transform-origin: top; }
html.js [data-reveal].in-view { opacity: 1; transform: none; }

/* ---------- 8. HERO — 3D scene ---------- */
.hero {
  position: relative;
  padding-top: calc(var(--header-h) + clamp(2.4rem, 6vw, 4.5rem));
  padding-bottom: clamp(3rem, 7vw, 5.5rem);
  overflow: visible;
}
.hero::before {
  content: "";
  position: absolute;
  inset: -20% 0 auto;
  height: 130%;
  background:
    radial-gradient(52% 42% at 72% 34%, rgba(242, 165, 60, 0.13), transparent 70%),
    radial-gradient(40% 38% at 16% 12%, rgba(239, 107, 74, 0.09), transparent 70%),
    radial-gradient(60% 50% at 50% 110%, rgba(255, 255, 255, 0.035), transparent 70%);
  pointer-events: none;
  z-index: -1;
}
.hero-grid {
  display: grid;
  gap: clamp(2.8rem, 6vw, 4rem);
  align-items: center;
}
.hero-copy { position: relative; z-index: 2; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-2);
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: 99px;
  padding: 0.4rem 0.95rem 0.4rem 0.5rem;
  margin-bottom: 1.4rem;
}
.hero-badge .dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(242, 165, 60, 0.18);
  animation: pulse 2.4s ease-in-out infinite;
}
@keyframes pulse { 50% { box-shadow: 0 0 0 7px rgba(242,165,60,.08); } }

.hero h1 {
  font-size: clamp(2.55rem, 7vw, 4.4rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 1.2rem;
}
.hero h1 .grad {
  background: var(--grad-accent);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero .lead {
  color: var(--text-2);
  font-size: clamp(1.02rem, 2.2vw, 1.18rem);
  max-width: 34rem;
  margin-bottom: 2rem;
}
.hero-ctas { display: flex; flex-wrap: wrap; gap: 0.8rem; margin-bottom: 1.6rem; }
.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1.1rem;
  font-size: 0.83rem;
  color: var(--text-3);
}
.hero-meta span { display: inline-flex; align-items: center; gap: 0.4rem; }
.hero-meta svg { width: 14px; height: 14px; color: var(--accent); }

/* scene shell */
.hero-scene {
  position: relative;
  perspective: 1200px;
  perspective-origin: 50% 42%;
  min-height: 380px;
  display: grid;
  place-items: center;
  z-index: 1;
  overflow: clip;   /* 3D ornaments stay inside — never cause page overflow */
}
.scene-tilt {
  position: relative;
  width: min(560px, 100%);
  aspect-ratio: 10 / 9.4;
  transform-style: preserve-3d;
  transform: rotateX(calc(var(--py) * -3.4deg)) rotateY(calc(var(--px) * 6deg));
  transition: transform 0.25s var(--ease-out);
}

/* ambient glow + orbits */
.scene-glow {
  position: absolute;
  inset: 12% 6% 18%;
  background: radial-gradient(50% 50% at 55% 46%, rgba(242, 165, 60, 0.22), rgba(239, 107, 74, 0.07) 55%, transparent 75%);
  filter: blur(6px);
  transform: translateZ(-120px);
}
.orbit {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.1);
  transform-style: preserve-3d;
}
.orbit-a {
  width: 118%; height: 74%;
  left: -9%; top: 16%;
  transform: rotateX(68deg) translateZ(-30px);
  border-color: rgba(242, 165, 60, 0.16);
  animation: orbitSpin 26s linear infinite;
}
.orbit-b {
  width: 88%; height: 56%;
  left: 6%; top: 26%;
  transform: rotateX(72deg) translateZ(-60px);
  border-style: dashed;
  border-color: rgba(255, 255, 255, 0.12);
  animation: orbitSpin 38s linear infinite reverse;
}
.orbit::after {
  content: "";
  position: absolute;
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 14px 3px rgba(242, 165, 60, 0.65);
  top: -5px; left: 12%;
}
.orbit-b::after { background: #fff; box-shadow: 0 0 10px 2px rgba(255,255,255,.5); width: 6px; height: 6px; top: auto; bottom: -3px; left: auto; right: 18%; }
@keyframes orbitSpin { to { transform: rotateX(68deg) translateZ(-30px) rotate(360deg); } }

/* monitor */
.device-monitor {
  position: absolute;
  left: 50%; top: 46%;
  width: 78%;
  transform: translate(-50%, -50%) translateZ(0);
  transform-style: preserve-3d;
  animation: floatA 7s ease-in-out infinite;
}
.monitor-frame {
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: linear-gradient(180deg, #1c1c22, #101015);
  padding: 9px;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.14),
    0 30px 70px -18px rgba(0, 0, 0, 0.75),
    0 0 0 1px rgba(0, 0, 0, 0.5);
  transform: rotateY(-14deg) rotateX(3deg);
  transform-style: preserve-3d;
}
.monitor-screen {
  position: relative;
  aspect-ratio: 16 / 10;
  border-radius: 11px;
  overflow: hidden;
  background: #0a0a0e;
}
.monitor-screen img {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 1.1s ease;
}
.monitor-screen img.is-live { opacity: 1; }
.screen-shine {
  position: absolute;
  inset: 0;
  background: linear-gradient(115deg, rgba(255, 255, 255, 0.14) 0%, rgba(255, 255, 255, 0.03) 22%, transparent 40%);
  pointer-events: none;
}
.screen-caption {
  position: absolute;
  left: 12px; bottom: 12px;
  z-index: 2;
}
.caption-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #fff;
  background: rgba(10, 10, 14, 0.62);
  border: 1px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  padding: 0.34rem 0.7rem;
  border-radius: 99px;
}
.caption-chip[hidden] { display: none; }
.monitor-neck {
  width: 9%;
  height: 44px;
  margin-inline: auto;
  background: linear-gradient(180deg, #23232b, #131318);
  transform: rotateY(-14deg);
}
.monitor-base {
  width: 30%;
  height: 10px;
  margin-inline: auto;
  border-radius: 99px;
  background: linear-gradient(180deg, #2a2a33, #15151b);
  box-shadow: 0 6px 14px rgba(0, 0, 0, 0.6);
}
.monitor-shadow {
  width: 72%;
  height: 26px;
  margin: 14px auto 0;
  border-radius: 50%;
  background: radial-gradient(50% 50% at 50% 50%, rgba(0, 0, 0, 0.55), transparent 70%);
  filter: blur(6px);
  transform: translateZ(-40px) rotateX(75deg);
}

/* phone */
.device-phone {
  position: absolute;
  left: 2%; bottom: 4%;
  width: 24%;
  transform: translateZ(90px);
  transform-style: preserve-3d;
  animation: floatB 6s ease-in-out infinite;
}
.phone-frame {
  border-radius: 14% / 7.5%;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: #0c0c11;
  padding: 4.5% 3.2%;
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.16),
    0 24px 44px -14px rgba(0, 0, 0, 0.8);
  transform: rotateY(12deg) rotateX(2deg);
}
.phone-screen {
  position: relative;
  aspect-ratio: 9 / 18.5;
  border-radius: 11% / 5.6%;
  overflow: hidden;
  background: #0a0a0e;
}
.phone-screen img { width: 100%; height: 100%; object-fit: cover; }
.phone-shadow {
  width: 84%; height: 14px;
  margin: 12px auto 0;
  border-radius: 50%;
  background: radial-gradient(50% 50% at 50% 50%, rgba(0,0,0,.5), transparent 70%);
  filter: blur(5px);
}

/* floating cards & chips */
.float-card {
  position: absolute;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.22);
  box-shadow: 0 18px 40px -10px rgba(0, 0, 0, 0.65);
  animation: floatC 8s ease-in-out infinite;
}
.float-card img { width: 100%; height: 100%; object-fit: cover; }
.float-card-1 {
  width: 27%;
  aspect-ratio: 16 / 10;
  right: -2%; top: 6%;
  transform: translateZ(150px) rotate(4deg);
}
.float-card-2 {
  width: 21%;
  aspect-ratio: 4 / 3;
  right: 6%; bottom: 0;
  transform: translateZ(120px) rotate(-5deg);
  animation-delay: -3s;
}
.float-chip {
  position: absolute;
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--text-1);
  background: rgba(14, 14, 19, 0.8);
  border: 1px solid var(--border-strong);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  padding: 0.5rem 0.85rem;
  border-radius: 99px;
  box-shadow: var(--shadow-1);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}
.float-chip::before {
  content: "";
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--grad-accent);
}
.float-chip-1 { left: 6%; top: 12%; transform: translateZ(170px); animation: floatB 6.5s ease-in-out infinite; }
.float-chip-2 { right: 12%; top: 44%; transform: translateZ(200px); animation: floatC 7.5s ease-in-out infinite; animation-delay: -2s; }

@keyframes floatA { 50% { transform: translate(-50%, -50%) translateZ(0) translateY(-13px); } }
@keyframes floatB { 50% { transform: translateZ(90px) translateY(-11px); } }
@keyframes floatC { 50% { transform: translateZ(150px) rotate(4deg) translateY(-9px); } }

/* particles */
.particle {
  position: absolute;
  width: var(--s, 5px);
  height: var(--s, 5px);
  left: var(--x, 50%);
  top: var(--y, 50%);
  border-radius: 50%;
  background: var(--c, rgba(255, 255, 255, 0.55));
  box-shadow: 0 0 10px 1px var(--c, rgba(255, 255, 255, 0.3));
  transform: translateZ(var(--z, 40px));
  animation: drift var(--d, 9s) ease-in-out infinite;
  animation-delay: var(--dl, 0s);
  pointer-events: none;
}
@keyframes drift {
  0%, 100% { translate: 0 0; opacity: var(--o, 0.7); }
  50% { translate: calc(var(--dx, 8px)) calc(var(--dy, -16px)); opacity: calc(var(--o, 0.7) * 0.5); }
}

@media (min-width: 760px) {
  .hero-scene { min-height: 520px; }
}
@media (min-width: 1024px) {
  .hero-grid { grid-template-columns: 1.02fr 1fr; }
}

/* ---------- 9. Feature strip ---------- */
.feature-strip {
  border-block: 1px solid var(--border);
  background:
    linear-gradient(180deg, rgba(255,255,255,.02), transparent),
    var(--bg-1);
}
.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.5rem;
  padding-block: 1.6rem;
}
.feature-item {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  padding: 0.7rem 0.8rem;
  border-radius: var(--r-md);
  min-width: 0;
}
.feature-item > div { min-width: 0; }
.feature-icon {
  flex: none;
  width: 42px; height: 42px;
  display: grid; place-items: center;
  border-radius: 12px;
  color: var(--accent-soft);
  background: rgba(242, 165, 60, 0.09);
  border: 1px solid rgba(242, 165, 60, 0.18);
}
.feature-icon svg { width: 20px; height: 20px; }
.feature-item strong { display: block; font-size: 0.92rem; font-weight: 600; line-height: 1.3; }
.feature-item span { display: block; font-size: 0.78rem; color: var(--text-3); }
@media (min-width: 900px) {
  .feature-grid { grid-template-columns: repeat(4, 1fr); }
}

/* ---------- 10. Scroll story (pinned, 6 stages) ---------- */
.story { position: relative; }
.story-track { height: 560vh; }
.story-stage {
  position: sticky;
  top: 0;
  height: 100vh;
  height: 100dvh;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.story-stage::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(46% 52% at 74% 52%, var(--story-glow, rgba(242,165,60,.14)), transparent 72%),
    radial-gradient(30% 40% at 18% 24%, rgba(255,255,255,.045), transparent 70%);
  transition: background 1.2s ease;
  pointer-events: none;
}
.story[data-stage="0"] { --story-glow: rgba(201, 166, 236, 0.13); }
.story[data-stage="1"] { --story-glow: rgba(147, 196, 142, 0.15); }
.story[data-stage="2"] { --story-glow: rgba(246, 161, 181, 0.15); }
.story[data-stage="3"] { --story-glow: rgba(242, 165, 60, 0.18); }
.story[data-stage="4"] { --story-glow: rgba(232, 180, 95, 0.17); }
.story[data-stage="5"] { --story-glow: rgba(239, 107, 74, 0.17); }

.story-grid {
  display: grid;
  gap: 2rem;
  align-items: center;
  width: 100%;
}
.story-copy { position: relative; z-index: 2; min-height: 220px; }
.story-eyebrow {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 1.4rem;
  display: flex; align-items: center; gap: 0.7rem;
}
.story-eyebrow::after { content: ""; flex: 0 0 44px; height: 1px; background: var(--border-strong); }
.story-slides { position: relative; display: grid; }
.story-slide {
  grid-area: 1 / 1;
  font-size: clamp(1.75rem, 5vw, 3.1rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.55s var(--ease-out), transform 0.55s var(--ease-out);
  pointer-events: none;
}
.story-slide.is-active { opacity: 1; transform: none; }
.story-slide .soft { color: var(--text-3); }
.story-counter {
  margin-top: 1.6rem;
  display: flex; align-items: center; gap: 1rem;
  max-width: 300px;
}
.story-bar { flex: 1; height: 2px; background: var(--border-strong); border-radius: 99px; overflow: hidden; }
.story-bar span { display: block; height: 100%; width: 0%; background: var(--grad-accent); }
.story-count { font-family: var(--font-display); font-size: 0.82rem; color: var(--text-3); font-variant-numeric: tabular-nums; }
.story-hint {
  margin-top: 1rem;
  font-size: 0.78rem;
  color: var(--text-3);
  display: inline-flex; align-items: center; gap: 0.45rem;
}
.story-hint svg { width: 14px; height: 14px; animation: nudge 1.8s ease-in-out infinite; }
@keyframes nudge { 50% { transform: translateY(4px); } }

/* story device */
.story-visual { position: relative; display: grid; place-items: center; perspective: 1100px; }
.story-device-wrap { position: relative; width: min(460px, 82%); transform-style: preserve-3d; }
.story-glow {
  position: absolute;
  inset: -14%;
  background: radial-gradient(50% 50% at 50% 55%, rgba(242, 165, 60, 0.2), transparent 70%);
  filter: blur(10px);
}
.story-device {
  position: relative;
  border-radius: 22px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: linear-gradient(180deg, #1d1d24, #101016);
  padding: 10px;
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.15),
    0 40px 90px -22px rgba(0, 0, 0, 0.8);
  transform: rotateY(26deg) rotateX(6deg) scale(0.92);
  transition: transform 0.9s var(--ease-out);
  transform-style: preserve-3d;
}
.story[data-stage="0"] .story-device { transform: rotateY(26deg) rotateX(6deg) scale(0.9); opacity: .85; }
.story[data-stage="1"] .story-device { transform: rotateY(17deg) rotateX(4deg) scale(0.96); }
.story[data-stage="2"] .story-device { transform: rotateY(-9deg) rotateX(3deg) scale(1); }
.story[data-stage="3"] .story-device { transform: rotateY(4deg) rotateX(2deg) scale(1.03); }
.story[data-stage="4"] .story-device { transform: rotateY(-4deg) rotateX(2deg) scale(1.03); }
.story[data-stage="5"] .story-device { transform: rotateY(0) rotateX(0) scale(1.06); }

.story-screen {
  position: relative;
  aspect-ratio: 16 / 10;
  border-radius: 14px;
  overflow: hidden;
  background: #0a0a0e;
}
.story-screen img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 0.9s ease;
}
.story-screen img.is-live { opacity: 1; }
.story-scan {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 0%, rgba(242, 165, 60, 0.16) 48%, transparent 60%);
  transform: translateY(-110%);
  opacity: 0;
}
.story[data-stage="3"] .story-scan { animation: scan 1.6s ease-in-out infinite; opacity: 1; }
@keyframes scan { to { transform: translateY(110%); } }

.story-badge {
  position: absolute;
  right: -14px; top: -16px;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: #0e2414;
  background: var(--ok);
  padding: 0.5rem 0.9rem;
  border-radius: 99px;
  box-shadow: 0 10px 26px -8px rgba(127, 201, 143, 0.6);
  opacity: 0;
  transform: translateY(10px) scale(0.9);
  transition: opacity 0.5s var(--ease-spring), transform 0.5s var(--ease-spring);
  z-index: 3;
}
.story-badge svg { width: 15px; height: 15px; }
.story[data-stage="5"] .story-badge { opacity: 1; transform: none; }

/* floating props around device */
.story-prop {
  position: absolute;
  z-index: 3;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-1);
  background: rgba(13, 13, 18, 0.88);
  border: 1px solid var(--border-strong);
  border-radius: var(--r-md);
  padding: 0.6rem 0.9rem;
  box-shadow: var(--shadow-1);
  opacity: 0;
  transform: translateY(14px) translateZ(60px);
  transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out);
  pointer-events: none;
  max-width: 240px;
}
.story-prop-1 { left: -6%; bottom: 16%; font-style: italic; color: var(--text-2); }
.story-prop-2 { right: -8%; top: 12%; display: flex; gap: 0.4rem; padding: 0.5rem; }
.story-prop-3 { left: -4%; top: 18%; display: flex; gap: 0.4rem; padding: 0.5rem; }
.story[data-stage="1"] .story-prop-1 { opacity: 1; transform: translateY(0) translateZ(60px); transition-delay: 0.25s; }
.story[data-stage="2"] .story-prop-2 { opacity: 1; transform: translateY(0) translateZ(60px); transition-delay: 0.25s; }
.story[data-stage="4"] .story-prop-3 { opacity: 1; transform: translateY(0) translateZ(60px); transition-delay: 0.25s; }
.prop-chip {
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.34rem 0.6rem;
  border-radius: 8px;
  background: var(--surface-2);
  border: 1px solid var(--border);
}
.prop-chip.on {
  background: rgba(242, 165, 60, 0.16);
  border-color: rgba(242, 165, 60, 0.5);
  color: var(--accent-soft);
}

@media (max-width: 759px) {
  .story-track { height: 480vh; }
  .story-stage { align-items: flex-end; padding-bottom: 9vh; }
  .story-grid { align-items: end; }
  .story-copy { min-height: 0; order: 2; }
  .story-visual { order: 1; width: 100%; }
  .story-device-wrap { width: min(320px, 74%); margin-bottom: 1.6rem; }
  .story-slide { font-size: clamp(1.5rem, 7.5vw, 2rem); }
  .story-prop-1 { left: 0; bottom: 22%; }
  .story-prop-2 { right: 0; top: 8%; }
  .story-prop-3 { left: 0; top: 12%; }
  .story-hint { display: none; }
}
@media (min-width: 760px) {
  .story-grid { grid-template-columns: 1fr 1.1fr; gap: 4rem; }
}

/* ---------- 11. Pinned horizontal showcase ---------- */
.pin-section { position: relative; height: 420vh; }
.pin-stage {
  position: sticky;
  top: 0;
  height: 100vh;
  height: 100dvh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: clamp(1.2rem, 3vh, 2.2rem);
  overflow: hidden;
}
.pin-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
}
.pin-head h2 { font-size: clamp(1.7rem, 4vw, 2.7rem); }
.pin-count {
  font-family: var(--font-display);
  font-size: 0.95rem;
  color: var(--text-3);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
.pin-count strong { color: var(--accent-soft); font-size: 1.6rem; font-weight: 700; }

.pin-viewport { position: relative; width: 100%; overflow: clip; }
.pin-track {
  display: flex;
  gap: clamp(1rem, 2.4vw, 1.6rem);
  padding-inline: clamp(1.25rem, 4vw, 3rem);
  will-change: transform;
  width: max-content;
}
.pin-card {
  position: relative;
  width: min(320px, 76vw);
  flex: none;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--bg-1);
  transform-style: preserve-3d;
  transition: border-color var(--t-med), box-shadow var(--t-med);
  box-shadow: 0 20px 46px -16px rgba(0, 0, 0, 0.55);
}
.pin-card:hover { border-color: var(--border-strong); box-shadow: 0 26px 60px -14px rgba(0, 0, 0, 0.7); }
.pin-card figure { position: relative; aspect-ratio: 16 / 11; overflow: hidden; }
.pin-card figure img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.8s var(--ease-out);
}
.pin-card:hover figure img { transform: scale(1.06); }
.pin-card figure::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 45%, rgba(8, 8, 11, 0.85));
}
.pin-tag {
  position: absolute;
  left: 14px; top: 14px;
  z-index: 2;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-1);
  background: rgba(10, 10, 14, 0.66);
  border: 1px solid rgba(255, 255, 255, 0.22);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  padding: 0.32rem 0.65rem;
  border-radius: 99px;
  display: inline-flex; align-items: center; gap: 0.4rem;
}
.pin-tag::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--cat, var(--accent)); }
.pin-body { padding: 1.1rem 1.2rem 1.25rem; }
.pin-body h3 { font-size: 1.12rem; margin-bottom: 0.35rem; }
.pin-body p { font-size: 0.86rem; color: var(--text-2); margin-bottom: 0.8rem; }
.pin-link {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-soft);
  display: inline-flex; align-items: center; gap: 0.35rem;
}
.pin-link svg { width: 14px; height: 14px; transition: transform var(--t-fast); }
.pin-card:hover .pin-link svg { transform: translateX(3px); }

.pin-progress {
  width: min(420px, calc(100% - 2.5rem));
  height: 2px;
  margin-inline: auto;
  background: var(--border-strong);
  border-radius: 99px;
  overflow: hidden;
}
.pin-progress span { display: block; height: 100%; width: 0%; background: var(--grad-accent); }

/* fallback: no-JS / reduced motion → vertical stack */
html:not(.js) .pin-section { height: auto; }
html:not(.js) .pin-stage { position: static; height: auto; padding-block: 4rem; gap: 2rem; }
html:not(.js) .pin-track { width: auto; flex-wrap: wrap; justify-content: center; }
html:not(.js) .pin-progress { display: none; }

@media (prefers-reduced-motion: reduce) {
  .pin-section { height: auto; }
  .pin-stage { position: static; height: auto; padding-block: 4rem; gap: 2rem; }
  .pin-track { width: auto; flex-wrap: wrap; justify-content: center; }
  .pin-progress { display: none; }
}

@media (max-width: 759px) {
  .pin-section { height: 340vh; }
  .pin-stage { justify-content: flex-end; padding-bottom: 7vh; gap: 1.1rem; }
  .pin-card { width: min(290px, 78vw); }
}

/* ultra-narrow screens: stack feature strip to prevent word-level overflow */
@media (max-width: 359px) {
  .feature-grid { grid-template-columns: 1fr; }
}

/* ---------- 12. Category grid ---------- */
.cat-grid { display: grid; gap: 1.1rem; grid-template-columns: 1fr; }
@media (min-width: 560px) { .cat-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 980px) { .cat-grid { grid-template-columns: repeat(4, 1fr); } }

.cat-card {
  position: relative;
  display: block;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--bg-1);
  transition: transform var(--t-med) var(--ease-out), border-color var(--t-med), box-shadow var(--t-med);
}
.cat-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-strong);
  box-shadow: var(--shadow-2);
}
.cat-card figure { position: relative; aspect-ratio: 4 / 3; overflow: hidden; }
.cat-card figure img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.8s var(--ease-out); }
.cat-card:hover figure img { transform: scale(1.07); }
.cat-card figure::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(8,8,11,0.06) 30%, rgba(8, 8, 11, 0.9));
}
.cat-body { position: absolute; inset: auto 0 0 0; padding: 1.1rem 1.2rem; z-index: 2; }
.cat-body h3 { font-size: 1.08rem; display: flex; align-items: center; gap: 0.5rem; }
.cat-body h3::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--cat, var(--accent)); box-shadow: 0 0 10px var(--cat, var(--accent)); }
.cat-body p { font-size: 0.82rem; color: var(--text-2); margin-top: 0.3rem; }
.cat-arrow {
  position: absolute;
  right: 1rem; top: 1rem;
  z-index: 2;
  width: 34px; height: 34px;
  display: grid; place-items: center;
  border-radius: 50%;
  background: rgba(10, 10, 14, 0.6);
  border: 1px solid rgba(255,255,255,.2);
  color: #fff;
  opacity: 0;
  transform: translateY(-4px);
  transition: opacity var(--t-med), transform var(--t-med);
}
.cat-card:hover .cat-arrow, .cat-card:focus-visible .cat-arrow { opacity: 1; transform: none; }
.cat-arrow svg { width: 16px; height: 16px; }

/* ---------- 13. Steps (How it works) ---------- */
.steps {
  counter-reset: step;
  display: grid;
  gap: 1.1rem;
  grid-template-columns: 1fr;
}
@media (min-width: 900px) { .steps { grid-template-columns: repeat(3, 1fr); } }
.step {
  counter-increment: step;
  position: relative;
  border: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(255,255,255,.03), transparent 55%), var(--bg-1);
  border-radius: var(--r-lg);
  padding: 1.6rem 1.5rem 1.5rem;
  transition: transform var(--t-med) var(--ease-out), border-color var(--t-med);
}
.step:hover { transform: translateY(-5px); border-color: rgba(242, 165, 60, 0.4); }
.step::before {
  content: "0" counter(step);
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--accent);
  display: inline-flex;
  margin-bottom: 1.1rem;
  border: 1px solid rgba(242,165,60,.35);
  background: rgba(242,165,60,.08);
  padding: 0.3rem 0.7rem;
  border-radius: 8px;
}
.step h3 { font-size: 1.15rem; margin-bottom: 0.55rem; }
.step p { color: var(--text-2); font-size: 0.93rem; }
.step .step-visual {
  margin-top: 1.2rem;
  border-radius: var(--r-md);
  overflow: hidden;
  border: 1px solid var(--border);
  aspect-ratio: 16 / 8;
}
.step .step-visual img { width: 100%; height: 100%; object-fit: cover; }

/* ---------- 14. 3D gallery / showcase ---------- */
.gallery-stage {
  position: relative;
  perspective: 1400px;
  display: grid;
  place-items: center;
  padding-block: 1.5rem;
}
.gallery-ring {
  position: relative;
  width: min(980px, 100%);
  aspect-ratio: 16 / 8.6;
  transform-style: preserve-3d;
  transform: rotateX(calc(var(--py) * -4deg)) rotateY(calc(var(--px) * 7deg));
  transition: transform 0.3s var(--ease-out);
}
.g-card {
  position: absolute;
  width: 34%;
  aspect-ratio: 16 / 10;
  border-radius: var(--r-md);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.18);
  box-shadow: 0 24px 50px -16px rgba(0, 0, 0, 0.7);
  transition: transform 0.7s var(--ease-out), box-shadow 0.7s var(--ease-out), opacity 0.7s;
}
.g-card img { width: 100%; height: 100%; object-fit: cover; }
.g-card figcaption {
  position: absolute;
  left: 10px; bottom: 10px;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #fff;
  background: rgba(10,10,14,.6);
  border: 1px solid rgba(255,255,255,.2);
  padding: 0.28rem 0.6rem;
  border-radius: 99px;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}
.g-card-1 { left: 33%; top: 8%; width: 40%; z-index: 5; transform: translateZ(90px); }
.g-card-2 { left: 2%; top: 22%; transform: rotateY(20deg) translateZ(-10px); opacity: 0.92; }
.g-card-3 { right: 2%; top: 22%; transform: rotateY(-20deg) translateZ(-10px); opacity: 0.92; }
.g-card-4 { left: 16%; bottom: -6%; transform: rotateY(10deg) translateZ(-60px) scale(0.86); opacity: 0.75; }
.g-card-5 { right: 16%; bottom: -6%; transform: rotateY(-10deg) translateZ(-60px) scale(0.86); opacity: 0.75; }
.g-card:hover { transform: translateZ(130px) scale(1.02); opacity: 1; z-index: 9; }

@media (max-width: 759px) {
  .gallery-stage { padding-block: 0.5rem; }
  .gallery-ring {
    aspect-ratio: auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.8rem;
    transform: none !important;
  }
  .g-card { position: static; width: 100%; transform: none !important; opacity: 1; }
  .g-card-1 { grid-column: 1 / -1; width: 100%; aspect-ratio: 16 / 9; }
}

/* ---------- 15. Use cases ---------- */
.use-grid { display: grid; gap: 1.1rem; grid-template-columns: 1fr; }
@media (min-width: 640px) { .use-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .use-grid { grid-template-columns: repeat(3, 1fr); } }
.use-card {
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  background: linear-gradient(180deg, rgba(255,255,255,.028), transparent 60%), var(--bg-1);
  padding: 1.5rem 1.4rem;
  transition: transform var(--t-med) var(--ease-out), border-color var(--t-med);
}
.use-card:hover { transform: translateY(-5px); border-color: var(--border-strong); }
.use-icon {
  width: 44px; height: 44px;
  display: grid; place-items: center;
  border-radius: 13px;
  margin-bottom: 1.1rem;
  color: var(--accent-soft);
  background: rgba(242,165,60,.09);
  border: 1px solid rgba(242,165,60,.2);
}
.use-icon svg { width: 21px; height: 21px; }
.use-card h3 { font-size: 1.08rem; margin-bottom: 0.45rem; }
.use-card p { font-size: 0.9rem; color: var(--text-2); }

/* ---------- 16. Prompt ideas ---------- */
.idea-grid { display: grid; gap: 1.2rem; grid-template-columns: 1fr; }
@media (min-width: 900px) { .idea-grid { grid-template-columns: repeat(3, 1fr); } }
.idea-card {
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--bg-1);
  transition: transform var(--t-med) var(--ease-out), border-color var(--t-med), box-shadow var(--t-med);
}
.idea-card:hover { transform: translateY(-6px); border-color: var(--border-strong); box-shadow: var(--shadow-2); }
.idea-card figure { aspect-ratio: 16 / 10; overflow: hidden; position: relative; }
.idea-card figure img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s var(--ease-out); }
.idea-card:hover figure img { transform: scale(1.06); }
.idea-card figure .style-tag {
  position: absolute; left: 12px; top: 12px;
  font-size: 0.68rem; font-weight: 700;
  letter-spacing: .08em; text-transform: uppercase;
  color: #17100a;
  background: var(--grad-accent);
  padding: 0.3rem 0.65rem;
  border-radius: 99px;
}
.idea-body { padding: 1.15rem 1.2rem 1.3rem; }
.idea-text {
  font-size: 0.92rem;
  color: var(--text-2);
  font-style: italic;
  line-height: 1.55;
  margin-bottom: 1rem;
  min-height: 3.2em;
}
.idea-actions { display: flex; align-items: center; gap: 0.5rem; }
.copy-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-2);
  border: 1px solid var(--border);
  background: var(--surface);
  padding: 0.5rem 0.85rem;
  border-radius: 10px;
  transition: color var(--t-fast), border-color var(--t-fast), background-color var(--t-fast);
  min-height: 40px;
}
.copy-btn:hover { color: var(--text-1); border-color: var(--border-strong); }
.copy-btn svg { width: 15px; height: 15px; }
.idea-actions .spacer { flex: 1; }
.try-link { font-size: 0.85rem; font-weight: 600; color: var(--accent-soft); display: inline-flex; align-items: center; gap: 0.3rem; }
.try-link svg { width: 14px; height: 14px; transition: transform var(--t-fast); }
.try-link:hover svg { transform: translateX(3px); }

/* ---------- 17. SEO article blocks ---------- */
.article {
  max-width: 780px;
  margin-inline: auto;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.1rem;
}
.article-block {
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  background: linear-gradient(180deg, rgba(255,255,255,.02), transparent 50%), var(--bg-1);
  padding: clamp(1.4rem, 3.5vw, 2.2rem);
}
.article-block h2 {
  font-size: clamp(1.25rem, 2.6vw, 1.6rem);
  margin-bottom: 0.8rem;
  display: flex; align-items: baseline; gap: 0.7rem;
}
.article-block h2 .idx {
  font-size: 0.8rem;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.08em;
}
.article-block p { color: var(--text-2); font-size: 0.96rem; }
.article-block p + p { margin-top: 0.7rem; }
.article-block ul { display: grid; gap: 0.45rem; margin-top: 0.8rem; }
.article-block li {
  position: relative;
  padding-left: 1.4rem;
  color: var(--text-2);
  font-size: 0.94rem;
}
.article-block li::before {
  content: "";
  position: absolute;
  left: 0; top: 0.58em;
  width: 7px; height: 7px;
  border-radius: 2px;
  background: var(--grad-accent);
  transform: rotate(45deg);
}
.article-block a { color: var(--accent-soft); text-decoration: underline; text-underline-offset: 3px; }

/* ---------- 18. FAQ accordion ---------- */
.faq-list { display: grid; gap: 0.8rem; max-width: 780px; margin-inline: auto; }
.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  background: var(--bg-1);
  overflow: hidden;
  transition: border-color var(--t-fast);
}
.faq-item[data-open] { border-color: rgba(242, 165, 60, 0.4); }
.faq-q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  text-align: left;
  padding: 1.1rem 1.25rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  color: var(--text-1);
}
.faq-q .faq-icon {
  flex: none;
  width: 28px; height: 28px;
  display: grid; place-items: center;
  border-radius: 50%;
  border: 1px solid var(--border-strong);
  transition: transform var(--t-med) var(--ease-out), background-color var(--t-med), border-color var(--t-med);
}
.faq-q .faq-icon svg { width: 14px; height: 14px; }
.faq-item[data-open] .faq-icon {
  transform: rotate(45deg);
  background: var(--grad-accent);
  border-color: transparent;
  color: #1b1105;
}
.faq-a {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows var(--t-med) var(--ease-out);
}
.faq-item[data-open] .faq-a { grid-template-rows: 1fr; }
.faq-a-inner { overflow: hidden; }
.faq-a-inner p { padding: 0 1.25rem 1.25rem; color: var(--text-2); font-size: 0.93rem; }
.faq-a-inner a { color: var(--accent-soft); text-decoration: underline; text-underline-offset: 3px; }

/* ---------- 19. CTA band ---------- */
.cta-band {
  position: relative;
  border: 1px solid rgba(242, 165, 60, 0.3);
  border-radius: var(--r-xl);
  padding: clamp(2.2rem, 6vw, 4rem) clamp(1.4rem, 5vw, 3.5rem);
  text-align: center;
  overflow: hidden;
  background:
    radial-gradient(70% 120% at 50% -20%, rgba(242, 165, 60, 0.16), transparent 60%),
    radial-gradient(50% 90% at 85% 110%, rgba(239, 107, 74, 0.12), transparent 60%),
    var(--bg-1);
}
.cta-band::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(242, 165, 60, 0.7), transparent);
}
.cta-band h2 { font-size: clamp(1.8rem, 4.4vw, 2.8rem); margin-bottom: 0.9rem; }
.cta-band p { color: var(--text-2); max-width: 34rem; margin: 0 auto 1.8rem; }
.cta-band .hero-ctas { justify-content: center; margin-bottom: 0; }

/* ---------- 20. Footer ---------- */
.site-footer {
  margin-top: auto;
  border-top: 1px solid var(--border);
  background: linear-gradient(180deg, var(--bg-1), var(--bg-0));
  padding: clamp(2.6rem, 6vw, 4rem) 0 1.6rem;
}
.footer-grid {
  display: grid;
  gap: 2.2rem;
  grid-template-columns: 1fr;
  padding-bottom: 2.4rem;
}
@media (min-width: 640px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (min-width: 960px) { .footer-grid { grid-template-columns: 1.4fr 1fr 1fr 1fr; } }
.footer-desc { color: var(--text-3); font-size: 0.9rem; max-width: 30rem; margin-top: 1rem; }
.footer-title {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 1rem;
}
.footer-links { display: grid; gap: 0.55rem; }
.footer-links a {
  font-size: 0.9rem;
  color: var(--text-2);
  transition: color var(--t-fast);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}
.footer-links a::before {
  content: "";
  width: 4px; height: 4px;
  border-radius: 50%;
  background: var(--border-strong);
  transition: background-color var(--t-fast);
}
.footer-links a:hover { color: var(--accent-soft); }
.footer-links a:hover::before { background: var(--accent); }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 1.4rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
  font-size: 0.8rem;
  color: var(--text-3);
}
.footer-legal { display: flex; flex-wrap: wrap; gap: 1.2rem; }
.footer-legal a { color: var(--text-3); transition: color var(--t-fast); }
.footer-legal a:hover { color: var(--text-1); }

/* ---------- 21. Tool page ---------- */
.tool-head { text-align: center; max-width: 700px; margin-inline: auto; padding-block: clamp(1.6rem, 4vw, 2.6rem) 0.6rem; }
.tool-head h1 { font-size: clamp(1.9rem, 5vw, 3rem); margin-bottom: 0.8rem; }
.tool-head p { color: var(--text-2); }

.tool-layout {
  display: grid;
  gap: 1.6rem;
  grid-template-columns: 1fr;
  align-items: start;
  padding-block: clamp(1.6rem, 4vw, 2.6rem);
}
@media (min-width: 1024px) {
  .tool-layout { grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 2rem; }
}

.panel {
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  background: linear-gradient(180deg, rgba(255,255,255,.03), transparent 45%), var(--bg-1);
  padding: clamp(1.2rem, 3vw, 1.8rem);
}
.fieldset { border: 0; padding: 0; margin: 0 0 1.5rem; }
.fieldset:last-of-type { margin-bottom: 1.2rem; }
.fieldset legend {
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 0.75rem;
  padding: 0;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.fieldset legend .opt { color: var(--text-3); font-weight: 500; text-transform: none; letter-spacing: 0; }

.prompt-wrap { position: relative; }
.prompt-wrap textarea {
  width: 100%;
  min-height: 128px;
  resize: vertical;
  background: var(--bg-2);
  border: 1px solid var(--border-strong);
  border-radius: var(--r-md);
  padding: 1rem 1.1rem;
  color: var(--text-1);
  font-size: 0.98rem;
  line-height: 1.6;
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
}
.prompt-wrap textarea:focus {
  outline: none;
  border-color: rgba(242, 165, 60, 0.65);
  box-shadow: 0 0 0 3px rgba(242, 165, 60, 0.15);
}
.prompt-wrap textarea::placeholder { color: var(--text-3); }
.prompt-count {
  position: absolute;
  right: 0.8rem; bottom: 0.6rem;
  font-size: 0.7rem;
  color: var(--text-3);
  font-variant-numeric: tabular-nums;
}
.field-error {
  display: none;
  margin-top: 0.5rem;
  font-size: 0.82rem;
  color: var(--danger);
  align-items: center;
  gap: 0.4rem;
}
.field-error svg { width: 14px; height: 14px; flex: none; }
.fieldset.has-error .field-error { display: flex; }
.fieldset.has-error textarea { border-color: rgba(229, 118, 106, 0.7); }

.option-grid { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.option-grid.style-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0.5rem; }
@media (min-width: 480px) { .option-grid.style-grid { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 1024px) { .option-grid.style-grid { grid-template-columns: repeat(2, 1fr); } }

.chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.6rem 0.9rem;
  min-height: 42px;
  border-radius: var(--r-sm);
  border: 1px solid var(--border);
  background: var(--surface);
  font-size: 0.86rem;
  font-weight: 500;
  color: var(--text-2);
  transition: border-color var(--t-fast), background-color var(--t-fast), color var(--t-fast), transform var(--t-fast);
  text-align: center;
}
.chip:hover { border-color: var(--border-strong); color: var(--text-1); transform: translateY(-1px); }
.chip[aria-pressed="true"] {
  border-color: rgba(242, 165, 60, 0.7);
  background: rgba(242, 165, 60, 0.12);
  color: var(--accent-soft);
  box-shadow: inset 0 0 0 1px rgba(242, 165, 60, 0.25);
}

.custom-dims {
  display: none;
  gap: 0.6rem;
  margin-top: 0.7rem;
}
.custom-dims.show { display: flex; }
.custom-dims label {
  flex: 1;
  display: grid;
  gap: 0.3rem;
  font-size: 0.75rem;
  color: var(--text-3);
}
.custom-dims input {
  background: var(--bg-2);
  border: 1px solid var(--border-strong);
  border-radius: var(--r-sm);
  padding: 0.55rem 0.7rem;
  color: var(--text-1);
  font-variant-numeric: tabular-nums;
  min-height: 42px;
}
.custom-dims input:focus { outline: none; border-color: rgba(242, 165, 60, 0.65); }

.tool-actions { display: flex; flex-wrap: wrap; gap: 0.6rem; }
.tool-actions .btn-primary { flex: 1 1 100%; }
@media (min-width: 480px) {
  .tool-actions .btn-primary { flex: 2 1 auto; }
  .tool-actions .btn:not(.btn-primary) { flex: 1 1 auto; }
}

.tool-note {
  margin-top: 1.2rem;
  display: flex;
  gap: 0.7rem;
  font-size: 0.8rem;
  color: var(--text-3);
  line-height: 1.55;
  border: 1px dashed var(--border-strong);
  border-radius: var(--r-md);
  padding: 0.85rem 1rem;
}
.tool-note svg { width: 16px; height: 16px; flex: none; margin-top: 2px; color: var(--accent-soft); }

/* preview column */
.preview-panel {
  position: relative;
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  background:
    radial-gradient(60% 50% at 50% 0%, rgba(242,165,60,.07), transparent 60%),
    var(--bg-1);
  padding: clamp(1.2rem, 3vw, 1.8rem);
  perspective: 1400px;
}
.preview-topbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem;
  margin-bottom: 1.1rem;
}
.preview-title { font-family: var(--font-display); font-weight: 600; font-size: 0.95rem; display: flex; align-items: center; gap: 0.5rem; }
.preview-title .status-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--text-3); }
.preview-title .status-dot.ok { background: var(--ok); box-shadow: 0 0 8px rgba(127,201,143,.7); }
.preview-title .status-dot.err { background: var(--danger); }
.preview-title .status-dot.busy { background: var(--accent); animation: pulse 1.1s ease-in-out infinite; }
.engine-tag {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-3);
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: 99px;
  padding: 0.3rem 0.7rem;
  white-space: nowrap;
}

.preview-frame-wrap { transform-style: preserve-3d; transform: rotateX(calc(var(--py) * -2deg)) rotateY(calc(var(--px) * 3deg)); transition: transform .3s var(--ease-out); }
.preview-frame {
  position: relative;
  border-radius: var(--r-lg);
  border: 1px solid var(--border-strong);
  background: #0a0a0e;
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.1),
    0 34px 80px -24px rgba(0, 0, 0, 0.8);
  overflow: hidden;
  min-height: 320px;
  display: grid;
}
.preview-canvas-wrap { position: relative; width: 100%; }
.preview-canvas-wrap canvas { width: 100%; height: auto; display: block; }

/* empty state */
.pv-empty {
  place-self: center;
  text-align: center;
  padding: 3rem 1.5rem;
  color: var(--text-3);
}
.pv-empty .pv-icon {
  width: 74px; height: 74px;
  margin: 0 auto 1.2rem;
  border-radius: 22px;
  display: grid; place-items: center;
  color: var(--accent-soft);
  background: rgba(242,165,60,.07);
  border: 1px dashed rgba(242,165,60,.35);
  transform: rotate(-6deg);
}
.pv-empty .pv-icon svg { width: 32px; height: 32px; }
.pv-empty strong { display: block; color: var(--text-2); font-size: 1.02rem; margin-bottom: 0.3rem; }
.pv-empty p { font-size: 0.86rem; max-width: 30ch; margin-inline: auto; }

/* loading state */
.pv-loading {
  place-self: center;
  width: min(400px, 100%);
  text-align: center;
  padding: 2rem 1.5rem;
}
.pv-loading .rings { position: relative; width: 84px; height: 84px; margin: 0 auto 1.4rem; }
.pv-loading .rings span {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 2px solid transparent;
  border-top-color: var(--accent);
  border-right-color: rgba(239, 107, 74, 0.5);
  animation: spin 1.1s linear infinite;
}
.pv-loading .rings span:nth-child(2) { inset: 12px; animation-duration: 1.6s; animation-direction: reverse; border-top-color: rgba(255,255,255,.5); border-right-color: transparent; }
.pv-loading .rings span:nth-child(3) { inset: 24px; animation-duration: 2s; border-top-color: rgba(255,255,255,.25); border-right-color: transparent; }
.pv-loading strong { display: block; font-family: var(--font-display); margin-bottom: 0.4rem; }
.pv-loading .step-label { font-size: 0.82rem; color: var(--text-3); min-height: 1.4em; }
.pv-progress { height: 3px; background: var(--border-strong); border-radius: 99px; overflow: hidden; margin-top: 1rem; }
.pv-progress span { display: block; height: 100%; width: 0%; background: var(--grad-accent); transition: width 0.3s ease; }

/* success meta */
.pv-meta { display: flex; flex-wrap: wrap; gap: 0.45rem; margin-top: 1rem; }
.pv-meta .chip { pointer-events: none; min-height: 0; padding: 0.4rem 0.75rem; font-size: 0.76rem; }
.pv-meta .chip.hide { display: none; }

/* error state */
.pv-error {
  place-self: center;
  text-align: center;
  padding: 2.5rem 1.5rem;
  max-width: 380px;
}
.pv-error .pv-icon {
  width: 64px; height: 64px;
  margin: 0 auto 1.1rem;
  display: grid; place-items: center;
  border-radius: 50%;
  color: var(--danger);
  background: rgba(229, 118, 106, 0.09);
  border: 1px solid rgba(229, 118, 106, 0.35);
}
.pv-error .pv-icon svg { width: 28px; height: 28px; }
.pv-error strong { display: block; color: var(--text-1); margin-bottom: 0.35rem; }
.pv-error p { color: var(--text-3); font-size: 0.88rem; }

/* states visibility */
.pv-state { display: none; }
.pv-state.active { display: grid; width: 100%; }
#previewCanvas { display: none; }
.preview-frame[data-state="success"] #previewCanvas { display: block; }
.preview-frame[data-state="empty"] .pv-empty,
.preview-frame[data-state="loading"] .pv-loading,
.preview-frame[data-state="success"] .pv-success,
.preview-frame[data-state="error"] .pv-error { display: grid; }

.preview-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
  margin-top: 1.1rem;
}
.preview-foot .hint { font-size: 0.78rem; color: var(--text-3); max-width: 40ch; }
.preview-foot .actions { display: flex; gap: 0.5rem; flex-wrap: wrap; }

/* toast */
.toast {
  position: fixed;
  left: 50%;
  bottom: 1.4rem;
  transform: translate(-50%, 16px);
  z-index: 300;
  background: #17171d;
  color: var(--text-1);
  border: 1px solid var(--border-strong);
  border-radius: 12px;
  padding: 0.75rem 1.2rem;
  font-size: 0.88rem;
  font-weight: 500;
  box-shadow: var(--shadow-2);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--t-med), transform var(--t-med) var(--ease-out), visibility var(--t-med);
  display: flex;
  align-items: center;
  gap: 0.55rem;
  max-width: min(92vw, 420px);
}
.toast svg { width: 16px; height: 16px; color: var(--ok); flex: none; }
.toast.show { opacity: 1; visibility: visible; transform: translate(-50%, 0); }

/* ---------- 22. Prose / legal / contact ---------- */
.prose { max-width: 760px; margin-inline: auto; display: grid; gap: 1.6rem; }
.prose h2 { font-size: clamp(1.3rem, 2.6vw, 1.7rem); margin-top: 1rem; }
.prose h3 { font-size: 1.1rem; margin-top: 0.6rem; }
.prose p, .prose li { color: var(--text-2); font-size: 0.96rem; }
.prose ul, .prose ol { display: grid; gap: 0.5rem; padding-left: 1.3rem; }
.prose ul { list-style: disc; }
.prose ol { list-style: decimal; }
.prose a { color: var(--accent-soft); text-decoration: underline; text-underline-offset: 3px; }
.prose strong { color: var(--text-1); }
.prose .updated { color: var(--text-3); font-size: 0.85rem; }

.data-table { width: 100%; border-collapse: collapse; font-size: 0.9rem; margin-top: 0.6rem; }
.data-table caption { text-align: left; color: var(--text-3); font-size: 0.8rem; padding-bottom: 0.5rem; }
.data-table th, .data-table td { text-align: left; padding: 0.65rem 0.8rem; border-bottom: 1px solid var(--border); }
.data-table th { font-family: var(--font-display); font-size: 0.78rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--text-3); }
.data-table td:first-child { color: var(--text-1); font-weight: 500; }
.data-table-wrap { overflow-x: auto; }

.contact-wrap { display: grid; gap: 1.6rem; max-width: 900px; margin-inline: auto; }
@media (min-width: 900px) { .contact-wrap { grid-template-columns: 1fr 1.3fr; align-items: start; } }
.contact-info { display: grid; gap: 1rem; align-content: start; }
.contact-card {
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  background: var(--bg-1);
  padding: 1.3rem 1.4rem;
}
.contact-card h3 { font-size: 1.02rem; margin-bottom: 0.4rem; }
.contact-card p { color: var(--text-2); font-size: 0.9rem; }
.contact-card a { color: var(--accent-soft); }
.contact-form { display: grid; gap: 1.1rem; }
.f-row { display: grid; gap: 1.1rem; }
@media (min-width: 560px) { .f-row { grid-template-columns: 1fr 1fr; } }
.f-field { display: grid; gap: 0.4rem; }
.f-field label { font-size: 0.85rem; font-weight: 600; color: var(--text-2); }
.f-field label .req { color: var(--accent-2); }
.f-field input, .f-field textarea {
  background: var(--bg-2);
  border: 1px solid var(--border-strong);
  border-radius: var(--r-sm);
  padding: 0.8rem 0.95rem;
  color: var(--text-1);
  font-size: 0.95rem;
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
  min-height: 46px;
}
.f-field textarea { min-height: 140px; resize: vertical; }
.f-field input:focus, .f-field textarea:focus {
  outline: none;
  border-color: rgba(242, 165, 60, 0.65);
  box-shadow: 0 0 0 3px rgba(242, 165, 60, 0.14);
}
.form-note { font-size: 0.8rem; color: var(--text-3); }
.form-note a { color: var(--accent-soft); }

/* category page showcase */
.cat-showcase {
  display: grid;
  gap: 1.4rem;
  align-items: center;
}
@media (min-width: 900px) { .cat-showcase { grid-template-columns: 1.25fr 1fr; } }
.showcase-card {
  position: relative;
  border-radius: var(--r-xl);
  overflow: hidden;
  border: 1px solid var(--border-strong);
  box-shadow: var(--shadow-2);
  transform: perspective(1100px) rotateY(4deg) rotateX(1.5deg);
  transition: transform 0.6s var(--ease-out), box-shadow 0.6s;
}
.showcase-card:hover { transform: perspective(1100px) rotateY(0) rotateX(0) translateY(-4px); }
.showcase-card img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; }
.showcase-card .showcase-tag {
  position: absolute;
  left: 14px; bottom: 14px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #fff;
  background: rgba(10, 10, 14, 0.66);
  border: 1px solid rgba(255,255,255,.22);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  padding: 0.36rem 0.75rem;
  border-radius: 99px;
}
.cat-points { display: grid; gap: 0.8rem; }
.point {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 0.9rem 1rem;
  background: var(--surface);
}
.point svg { width: 18px; height: 18px; flex: none; margin-top: 3px; color: var(--accent-soft); }
.point strong { display: block; font-size: 0.94rem; }
.point span { font-size: 0.84rem; color: var(--text-3); }

/* ---------- 23. 404 ---------- */
.error-wrap {
  min-height: 72vh;
  display: grid;
  place-items: center;
  text-align: center;
  padding: calc(var(--header-h) + 3rem) 1.25rem 3rem;
}
.error-code {
  font-family: var(--font-display);
  font-size: clamp(5rem, 20vw, 9rem);
  font-weight: 700;
  line-height: 1;
  background: var(--grad-accent);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 1rem;
}
.error-wrap h1 { font-size: clamp(1.4rem, 4vw, 2rem); margin-bottom: 0.7rem; }
.error-wrap p { color: var(--text-2); max-width: 34rem; margin: 0 auto 1.8rem; }

/* ---------- 24. Decorative helpers ---------- */
.bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(60% 60% at 50% 40%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(60% 60% at 50% 40%, #000 30%, transparent 75%);
  pointer-events: none;
  z-index: -1;
}

/* ---------- 25. Motion & accessibility ---------- */
/* no-JS fallbacks: everything readable without JavaScript */
html:not(.js) .story-track { height: auto; }
html:not(.js) .story-stage { position: static; height: auto; padding-block: 4rem; }
html:not(.js) .story-grid { grid-template-columns: 1fr; }
html:not(.js) .story-slides { display: block; }
html:not(.js) .story-slide { opacity: 1; transform: none; pointer-events: auto; font-size: 1.6rem; margin-bottom: 0.9rem; }
html:not(.js) .story-screen img { position: static; opacity: 1; }
html:not(.js) .story-screen img ~ img { display: none; }
html:not(.js) .story-hint, html:not(.js) .story-counter { display: none; }
html:not(.js) .hero-scene .particle { display: none; }
html:not(.js) [data-reveal] { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html.js [data-reveal] { opacity: 1 !important; transform: none !important; }
  .story-device, .scene-tilt, .preview-frame-wrap { transform: none !important; }
  .hero-scene { min-height: 0; }
}

@media print {
  .site-header, .mobile-menu, .site-footer, .pin-progress, .story-hint { display: none !important; }
  body { background: #fff; color: #000; }
}