/* =========================================================
   PixelVision Lab — site styles
   Single stylesheet for every page.
   ========================================================= */

/* ---------- Tokens ---------- */
:root {
  --bg: #070A11;
  --bg-soft: #0A0E17;
  --panel: rgba(255, 255, 255, 0.028);
  --panel-2: rgba(255, 255, 255, 0.055);
  --line: rgba(255, 255, 255, 0.085);
  --line-strong: rgba(255, 255, 255, 0.16);

  --text: #EEF2F9;
  --text-2: #B9C3D6;
  --text-3: #939EB3;

  --violet: #8B7BFF;
  --cyan: #38D9D0;
  --amber: #FFC46B;
  --grad: linear-gradient(135deg, #8B7BFF 0%, #5AA8FF 48%, #38D9D0 100%);
  --grad-soft: linear-gradient(135deg, rgba(139, 123, 255, 0.16), rgba(56, 217, 208, 0.1));

  --radius-sm: 10px;
  --radius: 16px;
  --radius-lg: 24px;

  --shadow: 0 40px 90px -40px rgba(0, 0, 0, 0.9);
  --shadow-soft: 0 20px 50px -30px rgba(0, 0, 0, 0.8);

  --font-display: "Space Grotesk", "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-body: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-mono: ui-monospace, "SFMono-Regular", "JetBrains Mono", Menlo, monospace;

  --max: 1160px;
  --gutter: 24px;
  --nav-h: 74px;

  color-scheme: dark;
}

/* ---------- Reset ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-h) + 20px);
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

/* Ambient light behind everything */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(900px 600px at 12% -12%, rgba(139, 123, 255, 0.20), transparent 62%),
    radial-gradient(760px 520px at 92% -4%, rgba(56, 217, 208, 0.13), transparent 60%),
    radial-gradient(900px 700px at 50% 108%, rgba(90, 168, 255, 0.08), transparent 65%);
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; }

h1, h2, h3, h4 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -0.025em;
}

p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }

:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: 6px;
}

::selection { background: rgba(139, 123, 255, 0.35); color: #fff; }

/* ---------- Skip link ---------- */
.skip-link {
  position: absolute;
  left: 50%;
  top: 10px;
  z-index: 100;
  padding: 10px 18px;
  border-radius: 999px;
  background: var(--text);
  color: #0A0714;
  font-size: 0.875rem;
  font-weight: 600;
  transform: translate(-50%, -200%);
  transition: transform 0.2s ease;
}
.skip-link:focus-visible { transform: translate(-50%, 0); }

/* ---------- Layout ---------- */
.container {
  width: 100%;
  max-width: var(--max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

main, .site-header, .site-footer { position: relative; z-index: 1; }

.section { padding-block: 96px; }
.section--tight { padding-block: 64px; }
.section--line { border-top: 1px solid var(--line); }

.section-head {
  max-width: 680px;
  margin-bottom: 48px;
}
.section-head h2 {
  font-size: clamp(1.75rem, 3.4vw, 2.5rem);
  margin-top: 14px;
}
.section-head p {
  margin-top: 16px;
  color: var(--text-2);
  font-size: 1.0625rem;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-3);
}
.eyebrow::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 12px 2px rgba(56, 217, 208, 0.7);
}

.gradient-text {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.muted { color: var(--text-2); }
.small { font-size: 0.875rem; }
.tiny { font-size: 0.78rem; }

/* ---------- Buttons ---------- */
.btn {
  --btn-bg: transparent;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 46px;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: 999px;
  background: var(--btn-bg);
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: -0.005em;
  white-space: nowrap;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.25s ease, background 0.25s ease, border-color 0.25s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn svg { flex: none; }

.btn--primary {
  background: var(--grad);
  color: #0A0714;
  box-shadow: 0 12px 34px -14px rgba(139, 123, 255, 0.75);
}
.btn--primary:hover { box-shadow: 0 18px 40px -14px rgba(139, 123, 255, 0.9); }

.btn--ghost {
  border-color: var(--line-strong);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
}
.btn--ghost:hover {
  background: rgba(255, 255, 255, 0.07);
  border-color: rgba(255, 255, 255, 0.26);
}

.btn--sm { min-height: 38px; padding: 0 16px; font-size: 0.875rem; }

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- Header / nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--nav-h);
  transition: background 0.3s ease, border-color 0.3s ease, backdrop-filter 0.3s ease;
  border-bottom: 1px solid transparent;
}
.site-header.is-scrolled {
  background: rgba(7, 10, 17, 0.78);
  backdrop-filter: saturate(160%) blur(16px);
  -webkit-backdrop-filter: saturate(160%) blur(16px);
  border-bottom-color: var(--line);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: var(--nav-h);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text);
}
.brand b {
  font-weight: 600;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.brand img { width: 30px; height: 30px; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
}
.nav-links > a:not(.btn) {
  padding: 9px 14px;
  border-radius: 999px;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-2);
  transition: color 0.2s ease, background 0.2s ease;
}
.nav-links > a:not(.btn):hover { color: var(--text); background: rgba(255, 255, 255, 0.05); }
.nav-links > a[aria-current="page"] { color: var(--text); }
.nav-links .btn { margin-left: 8px; }

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  padding: 0;
  border: 1px solid var(--line-strong);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.03);
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  width: 18px;
  height: 1.5px;
  margin: 4px auto;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.2s ease;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(5.5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-5.5px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding-block: clamp(48px, 8vw, 92px) clamp(64px, 9vw, 112px);
  overflow: hidden;
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.045) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(70% 60% at 50% 30%, #000 0%, transparent 78%);
  -webkit-mask-image: radial-gradient(70% 60% at 50% 30%, #000 0%, transparent 78%);
  pointer-events: none;
  z-index: -1;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: clamp(32px, 5vw, 72px);
  align-items: center;
}

.hero h1 {
  margin-top: 22px;
  font-size: clamp(2.5rem, 5.6vw, 4.15rem);
  line-height: 1.02;
  letter-spacing: -0.035em;
}
.hero__lead {
  margin-top: 24px;
  max-width: 33rem;
  font-size: clamp(1rem, 1.35vw, 1.125rem);
  color: var(--text-2);
}
.hero .btn-row { margin-top: 34px; }

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin-top: 34px;
  padding-top: 26px;
  border-top: 1px solid var(--line);
  color: var(--text-3);
  font-size: 0.83rem;
}
.hero-meta li { display: inline-flex; align-items: center; gap: 8px; }
.hero-meta li::before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--violet);
}

/* Hero artwork */
.hero-art {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 400px;
  perspective: 1200px;
}
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.55;
  pointer-events: none;
}
.orb--a {
  width: 320px; height: 320px;
  background: radial-gradient(circle, rgba(139, 123, 255, 0.55), transparent 68%);
  top: 2%; right: 4%;
  animation: float 11s ease-in-out infinite;
}
.orb--b {
  width: 260px; height: 260px;
  background: radial-gradient(circle, rgba(56, 217, 208, 0.45), transparent 68%);
  bottom: 4%; left: 0;
  animation: float 13s ease-in-out infinite reverse;
}

.art-card {
  position: relative;
  width: min(100%, 420px);
  padding: 13px;
  border-radius: 26px;
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.09), rgba(255, 255, 255, 0.018));
  border: 1px solid var(--line-strong);
  box-shadow: var(--shadow);
  transform: rotate(-3.2deg);
  transition: transform 0.7s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.art-card:hover { transform: rotate(0deg) translateY(-6px); }

.art-card__bar {
  display: flex;
  gap: 6px;
  padding: 2px 4px 12px;
}
.art-card__bar span {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.16);
}

.art-canvas {
  position: relative;
  aspect-ratio: 4 / 3;
  border-radius: 15px;
  overflow: hidden;
  background: #0A0F18;
}
.art-canvas svg { width: 100%; height: 100%; }
.art-canvas::after {
  content: "";
  position: absolute;
  left: 0; right: 0;
  height: 34%;
  background: linear-gradient(180deg, transparent, rgba(56, 217, 208, 0.28), transparent);
  mix-blend-mode: screen;
  animation: scan 4.6s ease-in-out infinite;
}

.chip {
  position: absolute;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  background: rgba(13, 18, 28, 0.82);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-2);
  box-shadow: var(--shadow-soft);
  animation: float 7s ease-in-out infinite;
}
.chip i {
  width: 6px; height: 6px;
  border-radius: 2px;
  background: var(--cyan);
  font-style: normal;
}
.chip--1 { top: 8%; left: -4%; animation-delay: -1.2s; }
.chip--2 { top: 46%; right: -7%; animation-delay: -3.4s; }
.chip--3 { bottom: 8%; left: 6%; animation-delay: -2.1s; }
.chip--2 i { background: var(--violet); }
.chip--3 i { background: var(--amber); }

/* ---------- Cards / features ---------- */
.grid {
  display: grid;
  gap: 20px;
}
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }

.card {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.045), rgba(255, 255, 255, 0.012));
  transition: border-color 0.25s ease, transform 0.25s ease, background 0.25s ease;
}
.card:hover {
  border-color: var(--line-strong);
  transform: translateY(-2px);
}
.card h3 {
  margin-top: 18px;
  font-size: 1.125rem;
}
.card p {
  margin-top: 10px;
  color: var(--text-2);
  font-size: 0.9375rem;
}

.card-icon {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 13px;
  border: 1px solid var(--line-strong);
  background: var(--grad-soft);
  color: var(--cyan);
}
.card-icon svg { width: 21px; height: 21px; }

/* ---------- App card ---------- */
.app-catalog {
  display: grid;
  gap: 20px;
}

.app-card {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 32px;
  align-items: center;
  padding: clamp(24px, 3.5vw, 38px);
  border: 1px solid var(--line);
  border-radius: 28px;
  background:
    radial-gradient(600px 320px at 88% 0%, rgba(139, 123, 255, 0.14), transparent 65%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.012));
  overflow: hidden;
  transition: border-color 0.3s ease, transform 0.3s ease;
}
.app-card:hover { border-color: var(--line-strong); transform: translateY(-3px); }

.app-card--id {
  background:
    radial-gradient(620px 320px at 88% 0%, rgba(58, 145, 255, 0.17), transparent 65%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.012));
}
.app-card--id:hover {
  border-color: rgba(103, 178, 255, 0.3);
}

.app-card--docscan {
  background:
    radial-gradient(620px 320px at 88% 0%, rgba(56, 217, 208, 0.15), transparent 65%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.012));
}
.app-card--docscan:hover {
  border-color: rgba(56, 217, 208, 0.3);
}

.app-card__main {
  display: flex;
  gap: 26px;
  align-items: flex-start;
}
.app-icon {
  width: 88px;
  height: 88px;
  border-radius: 22px;
  flex: none;
  box-shadow: 0 18px 40px -18px rgba(0, 0, 0, 0.9), 0 0 0 1px rgba(255, 255, 255, 0.1);
}
.app-card__meta {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-3);
}
.app-card h3 {
  margin-top: 7px;
  font-size: clamp(1.4rem, 2.4vw, 1.75rem);
}
.app-card p {
  margin-top: 10px;
  max-width: 46ch;
  color: var(--text-2);
  font-size: 0.9375rem;
}
.app-card__actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-width: 190px;
}

.app-card__note {
  margin-top: 14px;
  font-size: 0.8125rem;
  color: var(--text-3);
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 18px;
}
.tags li {
  padding: 4px 11px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.03);
  font-size: 0.75rem;
  color: var(--text-2);
}

/* Compact app tile (apps listing / related) */
.app-tile {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.025);
  transition: border-color 0.25s ease, background 0.25s ease, transform 0.25s ease;
}
.app-tile:hover {
  border-color: var(--line-strong);
  background: rgba(255, 255, 255, 0.05);
  transform: translateY(-2px);
}
.app-tile img { width: 60px; height: 60px; border-radius: 15px; flex: none; }
.app-tile h3 { font-size: 1.0625rem; }
.app-tile p { margin-top: 4px; color: var(--text-3); font-size: 0.85rem; }
.app-tile__arrow {
  margin-left: auto;
  color: var(--text-3);
  transition: transform 0.25s ease, color 0.25s ease;
}
.app-tile:hover .app-tile__arrow { transform: translateX(4px); color: var(--cyan); }

/* ---------- Screenshot strip ---------- */
.shots {
  display: flex;
  gap: 16px;
  padding: 4px 2px 20px;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
  scrollbar-color: var(--line-strong) transparent;
}
.shots::-webkit-scrollbar { height: 6px; }
.shots::-webkit-scrollbar-track { background: rgba(255, 255, 255, 0.05); border-radius: 999px; }
.shots::-webkit-scrollbar-thumb { background: var(--line-strong); border-radius: 999px; }
.shots::-webkit-scrollbar-thumb:hover { background: rgba(255, 255, 255, 0.3); }

.shot {
  display: flex;
  flex-direction: column;
  flex: 0 0 232px;
  margin: 0;
  scroll-snap-align: start;
  border: 1px solid var(--line);
  border-radius: 22px;
  overflow: hidden;
  background: #0A0F18;
  box-shadow: var(--shadow-soft);
  transition: border-color 0.25s ease, transform 0.25s ease;
}
.shot:hover { border-color: var(--line-strong); transform: translateY(-3px); }
.shot img {
  width: 100%;
  height: auto;
  aspect-ratio: 9 / 16;
  object-fit: cover;
}
.shot__label {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: auto;
  padding: 11px 15px;
  border-top: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: var(--text-3);
  transition: color 0.25s ease;
}
.shot__label::before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--cyan);
  flex: none;
}
.shot:hover .shot__label { color: var(--text); }

.shots-hint {
  margin-top: 2px;
  color: var(--text-3);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
}

/* ---------- Steps ---------- */
.steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  counter-reset: step;
}
.step {
  position: relative;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.02);
}
.step::before {
  counter-increment: step;
  content: "0" counter(step);
  display: block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--cyan);
  letter-spacing: 0.1em;
}
.step h3 { margin-top: 14px; font-size: 1.0625rem; }
.step p { margin-top: 8px; color: var(--text-2); font-size: 0.9375rem; }

/* ---------- FAQ ---------- */
.faq {
  max-width: 800px;
  border-top: 1px solid var(--line);
}
.faq details {
  border-bottom: 1px solid var(--line);
}
.faq summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 22px 4px;
  font-family: var(--font-display);
  font-size: 1.02rem;
  font-weight: 500;
  cursor: pointer;
  list-style: none;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "";
  flex: none;
  width: 11px;
  height: 11px;
  border-right: 1.5px solid var(--text-3);
  border-bottom: 1.5px solid var(--text-3);
  transform: rotate(45deg) translateY(-3px);
  transition: transform 0.25s ease, border-color 0.25s ease;
}
.faq details[open] summary::after {
  transform: rotate(-135deg) translateY(-3px);
  border-color: var(--cyan);
}
.faq details[open] summary { color: var(--cyan); }
.faq .faq__body {
  padding: 0 4px 24px;
  max-width: 68ch;
  color: var(--text-2);
  font-size: 0.9375rem;
}
.faq .faq__body p + p { margin-top: 12px; }

/* ---------- CTA band ---------- */
.cta-band {
  position: relative;
  padding: clamp(36px, 5vw, 56px);
  border: 1px solid var(--line-strong);
  border-radius: 30px;
  background:
    radial-gradient(700px 320px at 12% 10%, rgba(139, 123, 255, 0.24), transparent 62%),
    radial-gradient(600px 300px at 92% 92%, rgba(56, 217, 208, 0.16), transparent 62%),
    rgba(255, 255, 255, 0.025);
  overflow: hidden;
}
.cta-band h2 {
  font-size: clamp(1.6rem, 3vw, 2.125rem);
  max-width: 20ch;
}
.cta-band .eyebrow + h2 { margin-top: 14px; }
.cta-band p {
  margin-top: 14px;
  max-width: 46ch;
  color: var(--text-2);
}
.cta-band .btn-row { margin-top: 26px; }

/* ---------- Footer ---------- */
.site-footer {
  margin-top: 96px;
  padding-top: 64px;
  border-top: 1px solid var(--line);
  background: linear-gradient(180deg, transparent, rgba(0, 0, 0, 0.35));
}
.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) repeat(3, minmax(0, 0.8fr));
  gap: 40px 32px;
  padding-bottom: 48px;
}
.footer-brand p {
  margin-top: 16px;
  max-width: 32ch;
  color: var(--text-3);
  font-size: 0.875rem;
}
.footer-social {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}
.footer-social a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 38px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-2);
  font-size: 0.82rem;
  transition: border-color 0.2s ease, background 0.2s ease, color 0.2s ease;
}
.footer-social a:hover {
  border-color: var(--line-strong);
  background: rgba(255, 255, 255, 0.07);
  color: var(--text);
}
.footer-social svg { flex: 0 0 auto; }
.footer-col h4 {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-3);
}
.footer-col ul { margin-top: 14px; display: grid; gap: 9px; }
.footer-col a {
  font-size: 0.9rem;
  color: var(--text-2);
  transition: color 0.2s ease;
}
.footer-col a:hover { color: var(--text); }

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  justify-content: space-between;
  padding-block: 22px;
  border-top: 1px solid var(--line);
  color: var(--text-3);
  font-size: 0.8rem;
}

/* ---------- Inner page hero ---------- */
.page-hero {
  padding-block: 56px 40px;
  border-bottom: 1px solid var(--line);
}
.page-hero h1 {
  margin-top: 16px;
  font-size: clamp(2.1rem, 4.4vw, 3.25rem);
}
.page-hero p {
  margin-top: 18px;
  max-width: 62ch;
  color: var(--text-2);
  font-size: 1.0625rem;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  color: var(--text-3);
}
.breadcrumb a { transition: color 0.2s ease; }
.breadcrumb a:hover { color: var(--text); }
.breadcrumb span { opacity: 0.45; }
.breadcrumb [aria-current] { color: var(--text-2); }

/* ---------- App detail ---------- */
.page-top { padding-top: 26px; }
.app-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 48px;
  align-items: start;
  padding-block: 32px 64px;
}
.app-hero__head {
  display: flex;
  gap: 26px;
  align-items: center;
}
.app-hero__head .app-icon { width: 104px; height: 104px; border-radius: 26px; }
.app-hero h1 {
  margin-top: 6px;
  font-size: clamp(2rem, 4vw, 2.9rem);
}
.app-hero__tagline {
  margin-top: 18px;
  max-width: 54ch;
  color: var(--text-2);
  font-size: 1.0625rem;
}
.app-hero .btn-row { margin-top: 26px; }

.app-banner {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line-strong);
  border-radius: 26px;
  background: #0A0F18;
  box-shadow: var(--shadow);
}
.app-banner img {
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
}

.facts {
  position: sticky;
  top: calc(var(--nav-h) + 20px);
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.03);
}
.facts h2 {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-3);
}
.facts dl {
  display: grid;
  gap: 0;
  margin: 14px 0 0;
}
.facts dl > div {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.875rem;
}
.facts dl > div:last-child { border-bottom: 0; }
.facts dt { color: var(--text-3); }
.facts dd { margin: 0; color: var(--text); text-align: right; }
.facts .btn { width: 100%; margin-top: 18px; }

/* ---------- Prose (legal / long text) ---------- */
.prose {
  max-width: 74ch;
  padding-block: 52px 24px;
  color: var(--text-2);
  font-size: 0.9875rem;
}
.prose > * + * { margin-top: 18px; }
.prose h2 {
  margin-top: 44px;
  padding-top: 12px;
  color: var(--text);
  font-size: 1.35rem;
  letter-spacing: -0.02em;
}
.prose h3 {
  margin-top: 28px;
  color: var(--text);
  font-size: 1.05rem;
  letter-spacing: -0.015em;
}
.prose p { color: var(--text-2); }
.prose ul, .prose ol {
  padding-left: 22px;
  list-style: disc;
}
.prose ol { list-style: decimal; }
.prose li { margin-top: 8px; }
.prose strong { color: var(--text); font-weight: 600; }
.prose a { color: var(--cyan); text-decoration: underline; text-underline-offset: 3px; }
.prose a:hover { color: var(--text); }
.prose code {
  padding: 2px 6px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.07);
  font-family: var(--font-mono);
  font-size: 0.86em;
  color: var(--text);
}

.callout {
  margin-top: 26px;
  padding: 20px 22px;
  border: 1px solid rgba(56, 217, 208, 0.28);
  border-left: 3px solid var(--cyan);
  border-radius: 0 var(--radius) var(--radius) 0;
  background: rgba(56, 217, 208, 0.06);
  color: var(--text-2);
  font-size: 0.9375rem;
}
.callout strong { color: var(--text); }

.updated {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  padding: 6px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--text-3);
}

/* ---------- 404 ---------- */
.error-page {
  display: grid;
  place-items: center;
  min-height: calc(100vh - var(--nav-h) - 120px);
  padding-block: 60px;
  text-align: center;
}
.error-page__code {
  font-family: var(--font-display);
  font-size: clamp(5rem, 16vw, 9rem);
  font-weight: 700;
  line-height: 0.9;
  letter-spacing: -0.05em;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.error-page h1 { margin-top: 18px; font-size: clamp(1.5rem, 3vw, 2rem); }
.error-page p {
  margin: 14px auto 0;
  max-width: 40ch;
  color: var(--text-2);
}
.error-page .btn-row { margin-top: 30px; justify-content: center; }

/* ---------- Reveal animation ---------- */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.reveal.is-visible { opacity: 1; transform: none; }

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-11px); }
}
@keyframes scan {
  0%, 100% { top: -34%; opacity: 0; }
  12% { opacity: 1; }
  55% { opacity: 1; }
  70% { top: 100%; opacity: 0; }
}

/* ---------- Responsive ---------- */
@media (max-width: 1000px) {
  .hero-grid { grid-template-columns: minmax(0, 1fr); }
  .hero-art { min-height: 340px; margin-top: 12px; }
  .art-card { transform: rotate(-2deg); width: min(100%, 380px); }
  .app-hero { grid-template-columns: minmax(0, 1fr); gap: 36px; }
  .facts { position: static; }
  .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 860px) {
  :root { --gutter: 20px; }

  .nav-toggle { display: block; }
  .nav-links {
    position: absolute;
    top: var(--nav-h);
    left: var(--gutter);
    right: var(--gutter);
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    padding: 14px;
    border: 1px solid var(--line-strong);
    border-radius: 18px;
    background: rgba(10, 14, 23, 0.97);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    box-shadow: var(--shadow);
  }
  .nav-links.is-open { display: flex; }
  .nav-links > a:not(.btn) { padding: 12px 14px; }
  .nav-links .btn { margin: 8px 0 0; }

  .grid--3, .grid--2, .steps { grid-template-columns: minmax(0, 1fr); }
  .app-card { grid-template-columns: minmax(0, 1fr); }
  .app-card__actions { flex-direction: row; flex-wrap: wrap; min-width: 0; }
  .app-card__actions .btn { flex: 1 1 auto; }
  .section { padding-block: 72px; }
  .cta-band { padding: 32px 24px; }
}

@media (max-width: 560px) {
  .app-card__main { flex-direction: column; gap: 18px; }
  .app-hero__head { flex-direction: column; align-items: flex-start; gap: 18px; }
  .app-banner { border-radius: 18px; }
  .shot { flex: 0 0 188px; }
  .footer-grid { grid-template-columns: minmax(0, 1fr); gap: 32px; }
  .chip--1 { left: 0; }
  .chip--2 { right: -2%; }
  .hero-meta { gap: 8px 16px; }
  .btn { width: 100%; }
  .btn-row .btn { flex: 1 1 auto; width: auto; }
  .nav-links .btn { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}