/* ==========================================================================
   XinXinCast official site
   Dark, product-led visual system. No build step, no external assets.
   ========================================================================== */

:root {
  --bg: #07070a;
  --bg-soft: #0b0b10;
  --bg-elevated: #101016;
  --panel: #121218;
  --panel-2: #15151d;
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.14);
  --text: #f6f4fa;
  --text-soft: #d6d1e0;
  --muted: #a8a3b3;
  --dim: #777282;
  --violet: #8b5cf6;
  --violet-2: #a78bfa;
  --violet-3: #c4b5fd;
  --magenta: #d946ef;
  --red: #c23a30;
  --red-2: #ef5a4c;
  --green: #34d399;
  --amber: #fbbf24;
  --blue: #60a5fa;
  --radius-xl: 26px;
  --radius-lg: 20px;
  --radius: 16px;
  --radius-sm: 12px;
  --container: 1180px;
  --header-h: 72px;
  --shadow-lg: 0 34px 90px rgba(0, 0, 0, 0.55);
  --shadow-violet: 0 20px 70px rgba(124, 58, 237, 0.28);
  --font-sans: "Inter", "Segoe UI", "HarmonyOS Sans SC", "MiSans", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-mono: "JetBrains Mono", "Cascadia Code", "SFMono-Regular", Consolas,
    "Liberation Mono", monospace;
  --ease: cubic-bezier(0.22, 0.72, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 24px);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(1000px 640px at 82% -12%, rgba(124, 58, 237, 0.18), transparent 62%),
    radial-gradient(760px 520px at -8% 6%, rgba(194, 58, 48, 0.1), transparent 60%),
    var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.026;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

body.menu-open {
  overflow: hidden;
}

::selection {
  background: rgba(167, 139, 250, 0.35);
  color: #fff;
}

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

img {
  height: auto;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
  color: inherit;
}

h1,
h2,
h3,
h4,
p,
ul,
ol,
figure {
  margin: 0;
}

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

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

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 100;
  padding: 10px 16px;
  border-radius: 10px;
  background: var(--violet);
  color: #fff;
  transform: translateY(-160%);
  transition: transform 0.2s;
}

.skip-link:focus {
  transform: translateY(0);
}

/* --------------------------------------------------------------------------
   Layout helpers
   -------------------------------------------------------------------------- */

.container {
  position: relative;
  z-index: 1;
  width: min(100% - 48px, var(--container));
  margin-inline: auto;
}

.section {
  position: relative;
  padding: 112px 0;
}

.section-tight {
  padding: 78px 0;
}

.section-line {
  border-top: 1px solid var(--line);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
  color: var(--violet-3);
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.17em;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 22px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--violet-2));
}

.eyebrow.plain::before {
  display: none;
}

.eyebrow .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 4px rgba(52, 211, 153, 0.12);
}

.grad-text {
  background: linear-gradient(100deg, #ddd6fe 0%, #a78bfa 34%, #e879f9 68%, #fca5a5 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.section-head {
  max-width: 760px;
  margin-bottom: 46px;
}

.section-head.center {
  margin-inline: auto;
  text-align: center;
}

.section-head.center .eyebrow {
  justify-content: center;
}

.section-head h2 {
  font-size: clamp(2rem, 3.5vw, 3.15rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.035em;
}

.section-head p {
  max-width: 700px;
  margin-top: 18px;
  color: var(--muted);
  font-size: 16.5px;
  line-height: 1.85;
}

.section-head.center p {
  margin-inline: auto;
}

.fine {
  color: var(--dim);
  font-size: 12.5px;
  line-height: 1.7;
}

.mono {
  font-family: var(--font-mono);
}

/* --------------------------------------------------------------------------
   Buttons / badges
   -------------------------------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 44px;
  padding: 11px 20px;
  border: 1px solid transparent;
  border-radius: 12px;
  font-size: 14px;
  font-weight: 650;
  line-height: 1.2;
  white-space: nowrap;
  cursor: pointer;
  transition:
    transform 0.25s var(--ease),
    border-color 0.25s,
    background 0.25s,
    box-shadow 0.25s;
}

.btn svg {
  width: 16px;
  height: 16px;
  flex: none;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(0);
}

.btn-primary {
  background: linear-gradient(135deg, #8b5cf6 0%, #6d28d9 55%, #5b21b6 100%);
  color: #fff;
  box-shadow:
    0 12px 34px rgba(109, 40, 217, 0.35),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.btn-primary:hover {
  box-shadow:
    0 16px 44px rgba(124, 58, 237, 0.5),
    inset 0 1px 0 rgba(255, 255, 255, 0.25);
}

.btn-ghost {
  border-color: var(--line-strong);
  background: rgba(255, 255, 255, 0.035);
  color: var(--text-soft);
}

.btn-ghost:hover {
  border-color: rgba(255, 255, 255, 0.26);
  background: rgba(255, 255, 255, 0.06);
  color: #fff;
}

.btn-soft {
  border-color: rgba(167, 139, 250, 0.25);
  background: rgba(139, 92, 246, 0.1);
  color: var(--violet-3);
}

.btn-soft:hover {
  border-color: rgba(167, 139, 250, 0.5);
  background: rgba(139, 92, 246, 0.17);
}

.btn-lg {
  min-height: 52px;
  padding: 14px 26px;
  border-radius: 14px;
  font-size: 15px;
}

.btn-sm {
  min-height: 38px;
  padding: 8px 15px;
  border-radius: 10px;
  font-size: 13px;
}

.btn-block {
  width: 100%;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 9px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--muted);
  font-size: 11.5px;
  font-weight: 600;
  line-height: 1.5;
}

.badge::before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: currentColor;
}

.badge.green {
  border-color: rgba(52, 211, 153, 0.25);
  background: rgba(52, 211, 153, 0.09);
  color: #6ee7b7;
}

.badge.amber {
  border-color: rgba(251, 191, 36, 0.24);
  background: rgba(251, 191, 36, 0.08);
  color: #fcd34d;
}

.badge.red {
  border-color: rgba(239, 90, 76, 0.25);
  background: rgba(239, 90, 76, 0.08);
  color: #fca5a5;
}

.badge.violet {
  border-color: rgba(167, 139, 250, 0.28);
  background: rgba(139, 92, 246, 0.1);
  color: var(--violet-3);
}

/* --------------------------------------------------------------------------
   Header
   -------------------------------------------------------------------------- */

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 60;
  height: var(--header-h);
  border-bottom: 1px solid transparent;
  transition:
    background 0.3s,
    border-color 0.3s,
    backdrop-filter 0.3s;
}

.site-header.scrolled,
.site-header.solid {
  border-bottom-color: var(--line);
  background: rgba(7, 7, 10, 0.94);
  -webkit-backdrop-filter: blur(20px) saturate(1.15);
  backdrop-filter: blur(20px) saturate(1.15);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.025);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 34px;
  height: 100%;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  flex: none;
}

.brand img {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.08;
}

.brand-text strong {
  font-size: 15.5px;
  font-weight: 750;
  letter-spacing: 0.01em;
}

.brand-text span {
  color: var(--dim);
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.nav {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-inline: auto;
}

.nav a {
  position: relative;
  padding: 8px 14px;
  border-radius: 9px;
  color: var(--muted);
  font-size: 13.5px;
  font-weight: 550;
  transition:
    color 0.2s,
    background 0.2s;
}

.nav a:hover {
  background: rgba(255, 255, 255, 0.045);
  color: var(--text);
}

.nav a.active {
  color: #fff;
}

.nav a.active::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 3px;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--violet-2), var(--magenta));
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: none;
}

.menu-toggle {
  display: none;
  width: 40px;
  height: 40px;
  padding: 0;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.035);
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 17px;
  height: 1.5px;
  margin: 4px auto;
  border-radius: 2px;
  background: var(--text);
  transition: transform 0.25s, opacity 0.25s;
}

.site-header.menu-open .menu-toggle span:nth-child(1) {
  transform: translateY(5.5px) rotate(45deg);
}

.site-header.menu-open .menu-toggle span:nth-child(2) {
  opacity: 0;
}

.site-header.menu-open .menu-toggle span:nth-child(3) {
  transform: translateY(-5.5px) rotate(-45deg);
}

.mobile-menu {
  position: fixed;
  inset: var(--header-h) 0 auto;
  display: none;
  flex-direction: column;
  gap: 6px;
  padding: 18px 24px 30px;
  border-bottom: 1px solid var(--line);
  background: rgba(8, 8, 12, 0.98);
  -webkit-backdrop-filter: blur(20px);
  backdrop-filter: blur(20px);
}

.site-header.menu-open .mobile-menu {
  display: flex;
}

.mobile-menu a {
  padding: 13px 14px;
  border-radius: 10px;
  color: var(--text-soft);
  font-size: 15px;
  font-weight: 550;
}

.mobile-menu a:hover {
  background: rgba(255, 255, 255, 0.05);
  color: #fff;
}

.mobile-menu .mobile-cta {
  display: flex;
  gap: 10px;
  margin-top: 10px;
}

.mobile-menu .mobile-cta .btn {
  flex: 1;
}

/* --------------------------------------------------------------------------
   Hero
   -------------------------------------------------------------------------- */

.hero {
  position: relative;
  padding: calc(var(--header-h) + 84px) 0 0;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: -460px;
  right: -260px;
  width: 900px;
  height: 900px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(124, 58, 237, 0.22), transparent 68%);
  pointer-events: none;
}

.hero::after {
  content: "";
  position: absolute;
  top: 80px;
  left: -300px;
  width: 700px;
  height: 700px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(194, 58, 48, 0.11), transparent 68%);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.98fr) minmax(0, 1.16fr);
  gap: 56px;
  align-items: center;
  padding-bottom: 86px;
}

.hero-copy {
  position: relative;
  z-index: 2;
}

.hero h1 {
  max-width: 640px;
  font-size: clamp(2.85rem, 5.1vw, 4.85rem);
  font-weight: 850;
  line-height: 1.06;
  letter-spacing: -0.048em;
}

.hero h1 .line {
  display: block;
}

.hero-lead {
  max-width: 535px;
  margin-top: 26px;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.8;
}

.hero-lead strong {
  color: var(--text-soft);
  font-weight: 600;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  margin-top: 28px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
  color: var(--dim);
  font-size: 12.5px;
}

.hero-meta li {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.hero-meta svg {
  width: 14px;
  height: 14px;
  color: var(--violet-2);
  opacity: 0.9;
}

.hero-meta.plain {
  gap: 8px 0;
}

.hero-meta.plain li {
  gap: 0;
}

.hero-meta.plain li + li::before {
  content: "·";
  margin: 0 10px;
  color: var(--dim);
}

.hero-visual {
  position: relative;
  z-index: 1;
  min-width: 0;
}

.hero-glow {
  position: absolute;
  inset: -8% -4%;
  border-radius: 40px;
  background:
    radial-gradient(60% 60% at 70% 20%, rgba(139, 92, 246, 0.3), transparent 70%),
    radial-gradient(50% 50% at 20% 80%, rgba(217, 70, 239, 0.15), transparent 70%);
  filter: blur(38px);
  pointer-events: none;
}

.app-card {
  position: relative;
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.02));
  box-shadow:
    var(--shadow-lg),
    inset 0 1px 0 rgba(255, 255, 255, 0.12);
  padding: 8px;
  transform: perspective(1500px) rotateY(-3.2deg) rotateX(1.2deg);
  transition: transform 0.8s var(--ease);
}

.app-card:hover {
  transform: perspective(1500px) rotateY(0deg) rotateX(0deg);
}

.screen-wrap {
  position: relative;
  overflow: hidden;
  border-radius: 13px;
  background: #0c0c11;
}

.screen-wrap img {
  width: 100%;
}

.screen-badge,
.screen-live {
  position: absolute;
  top: 12px;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 5px 10px;
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: 999px;
  background: rgba(10, 10, 14, 0.72);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  color: var(--text-soft);
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.04em;
}

.screen-badge {
  left: 12px;
}

.screen-live {
  right: 12px;
  color: #6ee7b7;
}

.screen-live i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 0 4px rgba(52, 211, 153, 0.12);
  animation: pulse 2.4s ease-in-out infinite;
}

.app-caption {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 11px 7px 5px;
  color: var(--dim);
  font-size: 11.5px;
}

.app-caption span:last-child {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
}

.float-chip {
  position: absolute;
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 14px;
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: 13px;
  background: rgba(14, 14, 20, 0.84);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  box-shadow: 0 16px 44px rgba(0, 0, 0, 0.45);
  animation: float 7s ease-in-out infinite;
}

.float-chip .chip-icon {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 9px;
  background: rgba(139, 92, 246, 0.14);
  color: var(--violet-2);
}

.float-chip .chip-icon svg {
  width: 16px;
  height: 16px;
}

.float-chip b {
  display: block;
  font-size: 12.5px;
  font-weight: 650;
  line-height: 1.35;
}

.float-chip small {
  display: block;
  color: var(--dim);
  font-size: 10.5px;
  line-height: 1.45;
}

.chip-1 {
  top: -58px;
  right: -8px;
  animation-delay: -1.5s;
}

.chip-2 {
  bottom: 56px;
  left: -38px;
  animation-delay: -3.5s;
}

.chip-3 {
  right: -26px;
  bottom: -26px;
  animation-delay: -5s;
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-8px);
  }
}

@keyframes pulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.35;
  }
}

/* Marquee */

.marquee {
  position: relative;
  z-index: 1;
  overflow: hidden;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.018);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}

.marquee-track {
  display: flex;
  width: max-content;
  animation: marquee 46s linear infinite;
}

.marquee-row {
  display: flex;
  align-items: center;
  gap: 34px;
  padding: 14px 17px;
  color: var(--dim);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.13em;
  white-space: nowrap;
  text-transform: uppercase;
}

.marquee-row span {
  display: inline-flex;
  align-items: center;
  gap: 34px;
}

.marquee-row span::after {
  content: "";
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: rgba(167, 139, 250, 0.55);
}

@keyframes marquee {
  to {
    transform: translateX(-50%);
  }
}

/* --------------------------------------------------------------------------
   Metrics
   -------------------------------------------------------------------------- */

.metrics {
  position: relative;
  padding: 38px 0;
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.035), rgba(255, 255, 255, 0.012));
  overflow: hidden;
}

.metric {
  padding: 26px 28px;
  border-left: 1px solid var(--line);
}

.metric:first-child {
  border-left: 0;
}

.metric strong {
  display: flex;
  align-items: baseline;
  gap: 6px;
  font-size: 2.2rem;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.04em;
}

.metric strong .unit {
  color: var(--muted);
  font-size: 12px;
  font-weight: 550;
  letter-spacing: 0;
}

.metric span {
  display: block;
  margin-top: 9px;
  color: var(--text-soft);
  font-size: 13px;
  font-weight: 600;
}

.metric em {
  display: block;
  margin-top: 2px;
  color: var(--dim);
  font-size: 11px;
  font-style: normal;
}

/* --------------------------------------------------------------------------
   Feature cards
   -------------------------------------------------------------------------- */

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.feature-card {
  position: relative;
  display: flex;
  flex-direction: column;
  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));
  overflow: hidden;
  transition:
    transform 0.35s var(--ease),
    border-color 0.35s,
    background 0.35s;
}

.feature-card::after {
  content: "";
  position: absolute;
  top: -110px;
  right: -110px;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--accent-soft, rgba(139, 92, 246, 0.18)), transparent 68%);
  opacity: 0;
  transition: opacity 0.4s;
  pointer-events: none;
}

.feature-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent-line, rgba(167, 139, 250, 0.35));
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.065), rgba(255, 255, 255, 0.015));
}

.feature-card:hover::after {
  opacity: 1;
}

.feature-icon {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  margin-bottom: 22px;
  border: 1px solid var(--accent-line, rgba(167, 139, 250, 0.28));
  border-radius: 13px;
  background: var(--accent-soft, rgba(139, 92, 246, 0.12));
  color: var(--accent, var(--violet-2));
}

.feature-icon svg {
  width: 21px;
  height: 21px;
}

.feature-card h3 {
  position: relative;
  z-index: 1;
  font-size: 19px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.feature-card > p {
  position: relative;
  z-index: 1;
  margin-top: 10px;
  color: var(--muted);
  font-size: 13.8px;
  line-height: 1.78;
}

.ticks {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 7px;
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.ticks li {
  position: relative;
  padding-left: 18px;
  color: var(--text-soft);
  font-size: 12.3px;
  line-height: 1.6;
}

.ticks li::before {
  content: "";
  position: absolute;
  top: 0.55em;
  left: 0;
  width: 8px;
  height: 5px;
  border-left: 1.5px solid var(--accent, var(--violet-2));
  border-bottom: 1.5px solid var(--accent, var(--violet-2));
  transform: rotate(-45deg);
}

.accent-violet {
  --accent: #a78bfa;
  --accent-soft: rgba(139, 92, 246, 0.12);
  --accent-line: rgba(167, 139, 250, 0.28);
}

.accent-magenta {
  --accent: #e879f9;
  --accent-soft: rgba(217, 70, 239, 0.1);
  --accent-line: rgba(232, 121, 249, 0.26);
}

.accent-red {
  --accent: #fb7185;
  --accent-soft: rgba(239, 90, 76, 0.1);
  --accent-line: rgba(251, 113, 133, 0.26);
}

.accent-green {
  --accent: #6ee7b7;
  --accent-soft: rgba(52, 211, 153, 0.1);
  --accent-line: rgba(110, 231, 183, 0.24);
}

.accent-blue {
  --accent: #93c5fd;
  --accent-soft: rgba(96, 165, 250, 0.1);
  --accent-line: rgba(147, 197, 253, 0.24);
}

.accent-amber {
  --accent: #fcd34d;
  --accent-soft: rgba(251, 191, 36, 0.09);
  --accent-line: rgba(252, 211, 77, 0.24);
}

/* --------------------------------------------------------------------------
   AI section
   -------------------------------------------------------------------------- */

.ai-section {
  position: relative;
  overflow: hidden;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(760px 460px at 18% 20%, rgba(124, 58, 237, 0.16), transparent 65%),
    radial-gradient(640px 420px at 90% 90%, rgba(217, 70, 239, 0.09), transparent 65%),
    #09090e;
}

.ai-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.94fr) minmax(0, 1.06fr);
  gap: 60px;
  align-items: center;
}

.ai-copy h2 {
  font-size: clamp(2rem, 3.7vw, 3.3rem);
  font-weight: 820;
  line-height: 1.12;
  letter-spacing: -0.038em;
}

.ai-copy > p {
  margin-top: 20px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.85;
}

.ai-points {
  display: grid;
  gap: 11px;
  margin-top: 26px;
}

.ai-points li {
  position: relative;
  padding-left: 25px;
  color: var(--text-soft);
  font-size: 13.8px;
  line-height: 1.7;
}

.ai-points li::before {
  content: "";
  position: absolute;
  top: 0.55em;
  left: 0;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: 1px solid rgba(167, 139, 250, 0.4);
  background: rgba(139, 92, 246, 0.15);
  box-shadow: inset 0 0 0 3px #0a0a0f;
}

.ai-points li::after {
  content: "";
  position: absolute;
  top: calc(0.55em + 4px);
  left: 4px;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--violet-2);
}

.ai-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.ai-visual {
  position: relative;
}

.ai-visual .app-card {
  transform: none;
}

.task-float {
  position: absolute;
  left: -26px;
  bottom: -30px;
  width: 260px;
  padding: 15px 16px;
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: 15px;
  background: rgba(14, 14, 20, 0.9);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  box-shadow: 0 22px 60px rgba(0, 0, 0, 0.5);
}

.task-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
  font-size: 11.5px;
  color: var(--muted);
}

.task-head b {
  color: var(--text-soft);
  font-weight: 600;
}

.task-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-top: 9px;
  color: var(--text-soft);
  font-size: 11.5px;
}

.task-row i {
  display: grid;
  place-items: center;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: rgba(52, 211, 153, 0.12);
  color: #6ee7b7;
  font-style: normal;
  font-size: 9px;
}

.task-float .fine {
  margin-top: 10px;
  font-size: 10px;
}

.ai-flow {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 76px;
  padding-top: 8px;
}

.flow-step {
  position: relative;
  padding: 22px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.025);
}

.flow-step:not(:last-child)::after {
  content: "→";
  position: absolute;
  top: 50%;
  right: -15px;
  color: var(--dim);
  font-family: var(--font-mono);
  font-size: 13px;
  transform: translateY(-50%);
}

.flow-step .num {
  display: inline-flex;
  color: var(--violet-3);
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.12em;
}

.flow-step h4 {
  margin-top: 8px;
  font-size: 15.5px;
  font-weight: 650;
}

.flow-step p {
  margin-top: 6px;
  color: var(--dim);
  font-size: 12.2px;
  line-height: 1.65;
}

/* --------------------------------------------------------------------------
   Tabs
   -------------------------------------------------------------------------- */

.tabs {
  margin-top: 8px;
}

.tab-list {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-bottom: 26px;
}

.tab-btn {
  padding: 9px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.025);
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition:
    color 0.2s,
    border-color 0.2s,
    background 0.2s;
}

.tab-btn:hover {
  border-color: var(--line-strong);
  color: var(--text);
}

.tab-btn[aria-selected="true"] {
  border-color: rgba(167, 139, 250, 0.45);
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.22), rgba(109, 40, 217, 0.16));
  color: #fff;
  box-shadow: 0 6px 24px rgba(109, 40, 217, 0.2);
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
  gap: 44px;
  align-items: start;
  animation: panel-in 0.45s var(--ease);
}

@keyframes panel-in {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.tab-copy h3 {
  font-size: 24px;
  font-weight: 720;
  letter-spacing: -0.025em;
}

.tab-copy > p {
  margin-top: 12px;
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.85;
}

.tab-copy .ticks {
  margin-top: 20px;
  padding-top: 18px;
}

.tab-copy .ticks li {
  font-size: 13px;
}

.spec-card {
  padding: 22px 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.012));
}

.spec-card h4 {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding-bottom: 13px;
  border-bottom: 1px solid var(--line);
  color: var(--text-soft);
  font-size: 12px;
  font-weight: 650;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.spec-card h4 span {
  color: var(--dim);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.04em;
}

.spec-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 18px;
  padding: 10px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  font-size: 12.3px;
}

.spec-row:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.spec-row dt {
  color: var(--dim);
  flex: none;
}

.spec-row dd {
  margin: 0;
  color: var(--text-soft);
  text-align: right;
  line-height: 1.5;
}

.spec-row dd.mono {
  color: var(--violet-3);
  font-size: 11.3px;
}

.tab-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 20px;
  color: var(--violet-3);
  font-size: 12.5px;
  font-weight: 600;
}

.tab-link svg {
  width: 14px;
  height: 14px;
  transition: transform 0.2s;
}

.tab-link:hover svg {
  transform: translateX(3px);
}

/* --------------------------------------------------------------------------
   Performance
   -------------------------------------------------------------------------- */

.perf-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: 56px;
  align-items: center;
}

.perf-copy h2 {
  font-size: clamp(2rem, 3.3vw, 2.9rem);
  font-weight: 800;
  line-height: 1.14;
  letter-spacing: -0.035em;
}

.perf-copy > p {
  margin-top: 18px;
  color: var(--muted);
  font-size: 15.5px;
  line-height: 1.85;
}

.perf-note {
  margin-top: 20px;
  padding: 14px 16px;
  border-left: 2px solid var(--violet);
  border-radius: 0 10px 10px 0;
  background: rgba(139, 92, 246, 0.06);
  color: var(--muted);
  font-size: 12.5px;
  line-height: 1.7;
}

.perf-panel {
  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));
  box-shadow: var(--shadow-lg);
}

.perf-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 24px;
}

.perf-title b {
  font-size: 14px;
  font-weight: 650;
}

.perf-title span {
  color: var(--dim);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
}

.perf-row {
  display: grid;
  grid-template-columns: 100px minmax(0, 1fr) 64px;
  gap: 12px;
  align-items: center;
  margin-bottom: 16px;
}

.perf-row:last-of-type {
  margin-bottom: 0;
}

.perf-row > span {
  color: var(--muted);
  font-size: 12px;
}

.perf-row > strong {
  color: var(--text-soft);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  text-align: right;
}

.perf-bar {
  height: 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.055);
  overflow: hidden;
}

.perf-bar i {
  display: block;
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, #7c3aed, #a78bfa);
  transition: width 1.2s var(--ease);
}

.perf-bar.warm i {
  background: linear-gradient(90deg, #b91c1c, #fb7185);
}

.perf-panel.in .perf-bar i {
  width: var(--w);
}

.perf-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  color: var(--dim);
  font-size: 11px;
}

.perf-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin-top: 18px;
}

.perf-stat {
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.025);
}

.perf-stat b {
  display: block;
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.perf-stat span {
  display: block;
  margin-top: 3px;
  color: var(--dim);
  font-size: 10.8px;
}

/* --------------------------------------------------------------------------
   Steps
   -------------------------------------------------------------------------- */

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  position: relative;
}

.steps::before {
  content: "";
  position: absolute;
  top: 28px;
  left: 12%;
  right: 12%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(167, 139, 250, 0.35), transparent);
}

.step {
  position: relative;
  z-index: 1;
  padding: 26px;
  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));
  text-align: center;
}

.step-num {
  display: grid;
  place-items: center;
  width: 56px;
  height: 56px;
  margin: 0 auto 18px;
  border: 1px solid rgba(167, 139, 250, 0.35);
  border-radius: 50%;
  background: radial-gradient(circle at 30% 25%, rgba(167, 139, 250, 0.28), rgba(109, 40, 217, 0.12));
  color: var(--violet-3);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  box-shadow: 0 0 0 8px rgba(139, 92, 246, 0.04);
}

.step h3 {
  font-size: 17px;
  font-weight: 680;
}

.step p {
  margin-top: 8px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.75;
}

/* --------------------------------------------------------------------------
   Scenarios
   -------------------------------------------------------------------------- */

.scenario-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.scenario {
  position: relative;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.012));
  transition:
    transform 0.35s var(--ease),
    border-color 0.35s;
}

.scenario:hover {
  transform: translateY(-3px);
  border-color: rgba(167, 139, 250, 0.28);
}

.scenario-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 18px;
}

.scenario-icon {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--line);
  border-radius: 11px;
  background: rgba(255, 255, 255, 0.035);
  color: var(--violet-2);
}

.scenario-icon svg {
  width: 18px;
  height: 18px;
}

.scenario-kicker {
  color: var(--dim);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.scenario h3 {
  font-size: 16.5px;
  font-weight: 680;
}

.scenario p {
  margin-top: 8px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.75;
}

.scenario-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 16px;
}

.scenario-tags span {
  padding: 3px 8px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--dim);
  font-size: 10.5px;
}

/* --------------------------------------------------------------------------
   Authorization
   -------------------------------------------------------------------------- */

.auth-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  align-items: stretch;
}

.auth-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.012));
}

.auth-card.featured {
  border-color: rgba(167, 139, 250, 0.4);
  background:
    radial-gradient(80% 60% at 70% 0%, rgba(124, 58, 237, 0.18), transparent 70%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.055), rgba(255, 255, 255, 0.012));
  box-shadow: var(--shadow-violet);
}

.auth-badge {
  position: absolute;
  top: -11px;
  right: 22px;
  padding: 4px 10px;
  border: 1px solid rgba(167, 139, 250, 0.45);
  border-radius: 999px;
  background: #171122;
  color: var(--violet-3);
  font-size: 10.5px;
  font-weight: 650;
}

.auth-card h3 {
  font-size: 18px;
  font-weight: 700;
}

.auth-price {
  display: flex;
  align-items: baseline;
  gap: 7px;
  margin-top: 14px;
}

.auth-price strong {
  font-size: 2.1rem;
  font-weight: 820;
  letter-spacing: -0.04em;
  line-height: 1;
}

.auth-price span {
  color: var(--dim);
  font-size: 11.5px;
}

.auth-desc {
  margin-top: 12px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.75;
}

.auth-card .ticks {
  flex: 1;
  margin-top: 20px;
}

.auth-card .btn {
  margin-top: 24px;
}

.auth-note {
  margin-top: 22px;
  color: var(--dim);
  font-size: 11.5px;
  line-height: 1.7;
  text-align: center;
}

/* --------------------------------------------------------------------------
   FAQ
   -------------------------------------------------------------------------- */

.faq-list {
  display: grid;
  gap: 10px;
  max-width: 880px;
}

.faq-list.wide {
  max-width: none;
}

.faq-item {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.025);
  overflow: hidden;
  transition: border-color 0.25s;
}

.faq-item[open] {
  border-color: rgba(167, 139, 250, 0.28);
  background: rgba(139, 92, 246, 0.045);
}

.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 18px 20px;
  color: var(--text-soft);
  font-size: 14.5px;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-plus {
  position: relative;
  flex: none;
  width: 18px;
  height: 18px;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  transition: transform 0.25s;
}

.faq-plus::before,
.faq-plus::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 8px;
  height: 1px;
  background: var(--muted);
  transform: translate(-50%, -50%);
}

.faq-plus::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.faq-item[open] .faq-plus {
  transform: rotate(45deg);
  border-color: rgba(167, 139, 250, 0.5);
}

.faq-answer {
  padding: 0 20px 20px;
  color: var(--muted);
  font-size: 13.5px;
  line-height: 1.8;
}

.faq-answer p + p {
  margin-top: 8px;
}

.faq-answer strong {
  color: var(--text-soft);
  font-weight: 600;
}

.faq-answer code {
  padding: 1px 5px;
  border-radius: 5px;
  background: rgba(255, 255, 255, 0.07);
  color: var(--violet-3);
  font-family: var(--font-mono);
  font-size: 11.5px;
}

/* --------------------------------------------------------------------------
   Download band
   -------------------------------------------------------------------------- */

.cta-band {
  position: relative;
  overflow: hidden;
  padding: 52px 56px;
  border: 1px solid rgba(167, 139, 250, 0.28);
  border-radius: var(--radius-xl);
  background:
    radial-gradient(680px 360px at 82% 20%, rgba(139, 92, 246, 0.28), transparent 65%),
    radial-gradient(520px 320px at 12% 110%, rgba(194, 58, 48, 0.16), transparent 65%),
    linear-gradient(135deg, #14101f, #0b0b11 62%);
  box-shadow: var(--shadow-lg);
}

.cta-band::after {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.3;
  background-image: radial-gradient(rgba(255, 255, 255, 0.16) 1px, transparent 1px);
  background-size: 26px 26px;
  -webkit-mask-image: linear-gradient(90deg, transparent 30%, #000);
  mask-image: linear-gradient(90deg, transparent 30%, #000);
  pointer-events: none;
}

.cta-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) auto;
  gap: 36px;
  align-items: center;
}

.cta-band h2 {
  font-size: clamp(1.9rem, 3.4vw, 2.8rem);
  font-weight: 820;
  line-height: 1.15;
  letter-spacing: -0.035em;
}

.cta-band p {
  margin-top: 12px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.75;
}

.cta-actions {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 10px;
  min-width: 236px;
}

.cta-meta {
  color: var(--dim);
  font-size: 10.5px;
  line-height: 1.6;
  text-align: center;
}

.cta-meta code {
  color: var(--muted);
  font-family: var(--font-mono);
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */

.site-footer {
  position: relative;
  z-index: 1;
  margin-top: 20px;
  padding: 66px 0 28px;
  border-top: 1px solid var(--line);
  background: #060609;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.7fr 1fr 1fr 1.25fr;
  gap: 42px;
}

.footer-brand .brand {
  margin-bottom: 14px;
}

.footer-brand p {
  max-width: 310px;
  color: var(--dim);
  font-size: 12.5px;
  line-height: 1.8;
}

.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 18px;
}

.footer-contact a,
.footer-contact button {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 0;
  border: 0;
  background: none;
  color: var(--muted);
  font-size: 12px;
  text-align: left;
  cursor: pointer;
  transition: color 0.2s;
}

.footer-contact a:hover,
.footer-contact button:hover {
  color: var(--violet-3);
}

.footer-contact svg {
  width: 14px;
  height: 14px;
  color: var(--violet-2);
}

.footer-col h4 {
  margin-bottom: 14px;
  color: var(--text-soft);
  font-size: 12px;
  font-weight: 650;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.footer-col ul {
  display: grid;
  gap: 9px;
}

.footer-col a {
  color: var(--dim);
  font-size: 12.5px;
  transition: color 0.2s;
}

.footer-col a:hover {
  color: var(--text);
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px 24px;
  margin-top: 52px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
  color: var(--dim);
  font-size: 11px;
  line-height: 1.7;
}

.footer-bottom p {
  max-width: 780px;
}

.to-top {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--muted);
  font-size: 11.5px;
  transition: color 0.2s;
}

.to-top:hover {
  color: var(--violet-3);
}

.to-top svg {
  width: 14px;
  height: 14px;
}

/* --------------------------------------------------------------------------
   Sub-page hero
   -------------------------------------------------------------------------- */

.page-hero {
  position: relative;
  overflow: hidden;
  padding: calc(var(--header-h) + 74px) 0 64px;
  border-bottom: 1px solid var(--line);
}

.page-hero::before {
  content: "";
  position: absolute;
  top: -420px;
  right: -160px;
  width: 820px;
  height: 820px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(124, 58, 237, 0.2), transparent 66%);
  pointer-events: none;
}

.page-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
  gap: 50px;
  align-items: end;
}

.page-hero h1 {
  max-width: 780px;
  font-size: clamp(2.4rem, 4.6vw, 4rem);
  font-weight: 840;
  line-height: 1.08;
  letter-spacing: -0.043em;
}

.page-hero .lead {
  max-width: 680px;
  margin-top: 20px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.85;
}

.page-hero-aside {
  padding: 20px 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.025);
}

.page-hero-aside .fine {
  margin-top: 6px;
}

.page-hero-aside b {
  display: block;
  font-size: 13px;
  color: var(--text-soft);
}

.page-hero-aside ul {
  display: grid;
  gap: 8px;
  margin-top: 12px;
}

.page-hero-aside li {
  position: relative;
  padding-left: 16px;
  color: var(--muted);
  font-size: 12px;
}

.page-hero-aside li::before {
  content: "";
  position: absolute;
  top: 0.6em;
  left: 0;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--violet-2);
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 20px;
  color: var(--dim);
  font-size: 11.5px;
}

.breadcrumb a:hover {
  color: var(--violet-3);
}

.breadcrumb span {
  opacity: 0.5;
}

/* --------------------------------------------------------------------------
   Feature page
   -------------------------------------------------------------------------- */

.feature-layout {
  display: grid;
  grid-template-columns: 210px minmax(0, 1fr);
  gap: 64px;
  align-items: start;
  padding: 64px 0 30px;
}

.side-nav {
  position: sticky;
  top: calc(var(--header-h) + 28px);
  padding: 18px 0;
  border-left: 1px solid var(--line);
}

.side-nav a {
  display: block;
  padding: 7px 0 7px 18px;
  border-left: 1px solid transparent;
  margin-left: -1px;
  color: var(--dim);
  font-size: 12.5px;
  line-height: 1.5;
  transition:
    color 0.2s,
    border-color 0.2s;
}

.side-nav a:hover {
  color: var(--text-soft);
}

.side-nav a.active {
  border-left-color: var(--violet-2);
  color: var(--violet-3);
}

.feature-content {
  min-width: 0;
}

.feature-block {
  padding: 8px 0 64px;
  margin-bottom: 56px;
  border-bottom: 1px solid var(--line);
  scroll-margin-top: calc(var(--header-h) + 28px);
}

.feature-block:last-of-type {
  border-bottom: 0;
  margin-bottom: 0;
}

.block-head {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 36px;
  align-items: end;
  margin-bottom: 30px;
}

.block-head h2 {
  font-size: clamp(1.65rem, 2.6vw, 2.3rem);
  font-weight: 780;
  line-height: 1.18;
  letter-spacing: -0.03em;
}

.block-head p {
  color: var(--muted);
  font-size: 13.8px;
  line-height: 1.85;
}

.block-split {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: 36px;
  align-items: start;
}

.block-split.reversed .block-visual {
  order: -1;
}

.block-copy p {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.85;
}

.block-copy p + p {
  margin-top: 12px;
}

.block-copy .ticks {
  margin-top: 20px;
  padding-top: 18px;
}

.block-copy .ticks li {
  font-size: 12.8px;
}

.block-visual {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.025);
  padding: 8px;
  overflow: hidden;
}

.block-visual img {
  width: 100%;
  border-radius: 10px;
}

.block-visual figcaption {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 9px 6px 3px;
  color: var(--dim);
  font-size: 10.5px;
}

.block-visual figcaption code {
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: 0.06em;
}

.zoomable {
  cursor: zoom-in;
}

.spec-table-wrap {
  margin-top: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.spec-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12.5px;
}

.spec-table th,
.spec-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.spec-table th {
  background: rgba(255, 255, 255, 0.035);
  color: var(--text-soft);
  font-size: 11px;
  font-weight: 650;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.spec-table td {
  color: var(--muted);
  line-height: 1.7;
}

.spec-table tr:last-child td {
  border-bottom: 0;
}

.spec-table td:first-child {
  width: 26%;
  color: var(--text-soft);
  font-weight: 550;
}

.spec-table code {
  color: var(--violet-3);
  font-family: var(--font-mono);
  font-size: 11px;
}

.callout {
  display: flex;
  gap: 14px;
  margin-top: 24px;
  padding: 16px 18px;
  border: 1px solid rgba(251, 191, 36, 0.2);
  border-radius: 12px;
  background: rgba(251, 191, 36, 0.05);
  color: var(--muted);
  font-size: 12.5px;
  line-height: 1.75;
}

.callout svg {
  flex: none;
  width: 17px;
  height: 17px;
  margin-top: 2px;
  color: var(--amber);
}

.callout strong {
  color: #fde68a;
  font-weight: 600;
}

.callout.violet {
  border-color: rgba(167, 139, 250, 0.22);
  background: rgba(139, 92, 246, 0.055);
}

.callout.violet svg {
  color: var(--violet-2);
}

.callout.violet strong {
  color: var(--violet-3);
}

.capability-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-top: 24px;
}

.capability {
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.022);
}

.capability b {
  display: block;
  color: var(--text-soft);
  font-size: 13px;
  font-weight: 600;
}

.capability span {
  display: block;
  margin-top: 4px;
  color: var(--dim);
  font-size: 11.8px;
  line-height: 1.65;
}

/* --------------------------------------------------------------------------
   Download page
   -------------------------------------------------------------------------- */

.download-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: 48px;
  align-items: center;
}

.download-card {
  padding: 28px;
  border: 1px solid rgba(167, 139, 250, 0.32);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(70% 60% at 80% 0%, rgba(124, 58, 237, 0.2), transparent 70%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.055), rgba(255, 255, 255, 0.012));
  box-shadow: var(--shadow-violet);
}

.download-card-top {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}

.os-icon {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--violet-2);
}

.os-icon svg {
  width: 21px;
  height: 21px;
}

.download-card-top b {
  display: block;
  font-size: 15px;
  font-weight: 650;
}

.download-card-top span {
  display: block;
  color: var(--dim);
  font-size: 11.5px;
}

.download-meta {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  margin: 18px 0;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--line);
  overflow: hidden;
}

.download-meta div {
  padding: 11px 14px;
  background: #101016;
}

.download-meta dt {
  color: var(--dim);
  font-size: 10px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.download-meta dd {
  margin: 2px 0 0;
  color: var(--text-soft);
  font-family: var(--font-mono);
  font-size: 11.5px;
  word-break: break-all;
}

.hash-box {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 14px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: rgba(0, 0, 0, 0.24);
}

.hash-box code {
  flex: 1;
  min-width: 0;
  color: var(--dim);
  font-family: var(--font-mono);
  font-size: 9.5px;
  line-height: 1.5;
  word-break: break-all;
}

.copy-btn {
  flex: none;
  padding: 5px 9px;
  border: 1px solid var(--line-strong);
  border-radius: 7px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--muted);
  font-size: 10px;
  cursor: pointer;
  transition:
    color 0.2s,
    border-color 0.2s;
}

.copy-btn:hover {
  border-color: rgba(167, 139, 250, 0.4);
  color: var(--violet-3);
}

.download-card .btn-block {
  margin-top: 16px;
}

.download-card .fine {
  margin-top: 10px;
  text-align: center;
}

.install-steps {
  display: grid;
  gap: 12px;
  counter-reset: install;
}

.install-step {
  display: flex;
  gap: 16px;
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: 13px;
  background: rgba(255, 255, 255, 0.025);
}

.install-step::before {
  counter-increment: install;
  content: "0" counter(install);
  flex: none;
  color: var(--violet-3);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
}

.install-step b {
  display: block;
  font-size: 13.5px;
  font-weight: 650;
}

.install-step p {
  margin-top: 4px;
  color: var(--muted);
  font-size: 12.3px;
  line-height: 1.7;
}

.req-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.req {
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: 13px;
  background: rgba(255, 255, 255, 0.023);
}

.req dt {
  color: var(--dim);
  font-size: 10.5px;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.req dd {
  margin: 5px 0 0;
  color: var(--text-soft);
  font-size: 13px;
  line-height: 1.7;
}

.req dd span {
  color: var(--dim);
  font-size: 11.5px;
}

.notice-list {
  display: grid;
  gap: 10px;
  margin-top: 22px;
}

.notice {
  display: flex;
  gap: 12px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 11px;
  background: rgba(255, 255, 255, 0.022);
  color: var(--muted);
  font-size: 12.3px;
  line-height: 1.7;
}

.notice svg {
  flex: none;
  width: 16px;
  height: 16px;
  margin-top: 2px;
  color: var(--violet-2);
}

.notice strong {
  color: var(--text-soft);
  font-weight: 600;
}

/* --------------------------------------------------------------------------
   Support page
   -------------------------------------------------------------------------- */

.quick-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.quick-card {
  display: flex;
  flex-direction: column;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.025);
  transition:
    transform 0.3s var(--ease),
    border-color 0.3s;
}

.quick-card:hover {
  transform: translateY(-3px);
  border-color: rgba(167, 139, 250, 0.3);
}

.quick-card svg {
  width: 20px;
  height: 20px;
  color: var(--violet-2);
}

.quick-card b {
  margin-top: 16px;
  font-size: 14px;
  font-weight: 650;
}

.quick-card span {
  margin-top: 5px;
  color: var(--dim);
  font-size: 11.8px;
  line-height: 1.65;
}

.quick-card .arrow {
  margin-top: auto;
  padding-top: 14px;
  color: var(--violet-3);
  font-size: 11px;
}

.faq-groups {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 34px 42px;
}

.faq-group h3 {
  margin-bottom: 14px;
  color: var(--text-soft);
  font-size: 13px;
  font-weight: 650;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.faq-group .faq-list {
  gap: 8px;
}

.faq-group .faq-item summary {
  padding: 14px 16px;
  font-size: 13px;
}

.faq-group .faq-answer {
  padding: 0 16px 16px;
  font-size: 12.5px;
}

.trouble-table td:first-child {
  width: 24%;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.contact-card {
  display: flex;
  gap: 18px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.012));
}

.contact-icon {
  display: grid;
  place-items: center;
  flex: none;
  width: 44px;
  height: 44px;
  border: 1px solid rgba(167, 139, 250, 0.25);
  border-radius: 12px;
  background: rgba(139, 92, 246, 0.1);
  color: var(--violet-3);
}

.contact-icon svg {
  width: 20px;
  height: 20px;
}

.contact-card b {
  display: block;
  font-size: 15px;
  font-weight: 650;
}

.contact-card p {
  margin-top: 5px;
  color: var(--muted);
  font-size: 12.5px;
  line-height: 1.7;
}

.contact-card .contact-value {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 10px;
  color: var(--violet-3);
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 600;
}

.contact-card .btn {
  margin-top: 12px;
}

.qr-thumb {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 12px;
}

.qr-thumb img {
  width: 92px;
  height: 92px;
  border-radius: 8px;
  background: #fff;
  padding: 4px;
}

.qr-thumb span {
  color: var(--dim);
  font-size: 11px;
  line-height: 1.6;
}

.privacy-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 24px;
}

.privacy-card {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 13px;
  background: rgba(255, 255, 255, 0.022);
}

.privacy-card b {
  display: block;
  font-size: 13.5px;
  font-weight: 650;
}

.privacy-card p {
  margin-top: 6px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.75;
}

/* --------------------------------------------------------------------------
   QR modal / image lightbox
   -------------------------------------------------------------------------- */

.qr-modal,
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 90;
  display: none;
  place-items: center;
  padding: 24px;
  background: rgba(4, 4, 7, 0.78);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}

.qr-modal.open,
.lightbox.open {
  display: grid;
}

.qr-dialog {
  position: relative;
  width: min(100%, 380px);
  padding: 26px;
  border: 1px solid var(--line-strong);
  border-radius: 20px;
  background: #111117;
  box-shadow: 0 30px 90px rgba(0, 0, 0, 0.65);
  text-align: center;
}

.qr-dialog h3 {
  font-size: 17px;
  font-weight: 700;
}

.qr-dialog p {
  margin-top: 6px;
  color: var(--muted);
  font-size: 12px;
}

.qr-dialog img {
  width: 240px;
  height: 240px;
  margin: 18px auto;
  border-radius: 10px;
  background: #fff;
  padding: 6px;
}

.modal-close {
  position: absolute;
  top: 12px;
  right: 12px;
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.04);
  color: var(--muted);
  cursor: pointer;
}

.modal-close:hover {
  color: #fff;
}

.lightbox img {
  max-width: min(94vw, 1500px);
  max-height: 88vh;
  border: 1px solid var(--line-strong);
  border-radius: 12px;
  box-shadow: 0 30px 100px rgba(0, 0, 0, 0.7);
}

.lightbox .modal-close {
  top: 20px;
  right: 20px;
}

/* --------------------------------------------------------------------------
   404
   -------------------------------------------------------------------------- */

.not-found {
  display: grid;
  place-items: center;
  min-height: calc(100vh - var(--header-h));
  padding: calc(var(--header-h) + 40px) 24px 80px;
  text-align: center;
}

.not-found .code {
  color: transparent;
  font-family: var(--font-mono);
  font-size: clamp(5rem, 14vw, 10rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.06em;
  background: linear-gradient(120deg, #a78bfa, #e879f9 60%, #fb7185);
  -webkit-background-clip: text;
  background-clip: text;
}

.not-found h1 {
  margin-top: 12px;
  font-size: 1.7rem;
  font-weight: 750;
}

.not-found p {
  max-width: 460px;
  margin-top: 10px;
  color: var(--muted);
  font-size: 13.5px;
}

.not-found .hero-cta {
  justify-content: center;
}

/* --------------------------------------------------------------------------
   Reveal animation
   -------------------------------------------------------------------------- */

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition:
    opacity 0.7s ease,
    transform 0.7s var(--ease);
}

.reveal.in {
  opacity: 1;
  transform: none;
}

.reveal[data-delay="1"] {
  transition-delay: 0.08s;
}

.reveal[data-delay="2"] {
  transition-delay: 0.16s;
}

.reveal[data-delay="3"] {
  transition-delay: 0.24s;
}

.reveal[data-delay="4"] {
  transition-delay: 0.32s;
}

.reveal[data-delay="5"] {
  transition-delay: 0.4s;
}

/* --------------------------------------------------------------------------
   Responsive
   -------------------------------------------------------------------------- */

@media (max-width: 1120px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 72px;
    padding-bottom: 80px;
  }

  .hero-copy {
    max-width: 760px;
  }

  .hero-visual {
    max-width: 900px;
    margin-inline: auto;
    width: 100%;
  }

  .float-chip {
    display: none;
  }

  .nav {
    gap: 0;
  }

  .nav a {
    padding-inline: 10px;
  }

  .header-inner {
    gap: 18px;
  }

  .ai-grid,
  .perf-grid {
    gap: 40px;
  }

  .task-float {
    left: 12px;
    bottom: -24px;
  }

  .feature-layout {
    grid-template-columns: 170px minmax(0, 1fr);
    gap: 40px;
  }

  .quick-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 980px) {
  .nav,
  .header-actions .btn-ghost {
    display: none;
  }

  .menu-toggle {
    display: block;
  }

  .header-inner {
    justify-content: space-between;
  }

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

  .ai-grid,
  .perf-grid,
  .download-hero-grid,
  .page-hero-grid,
  .block-split,
  .block-head,
  .tab-panel.active {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .block-split.reversed .block-visual {
    order: 0;
  }

  .ai-flow {
    grid-template-columns: repeat(2, 1fr);
    margin-top: 46px;
  }

  .flow-step:nth-child(2)::after {
    display: none;
  }

  .steps,
  .scenario-grid,
  .auth-grid,
  .privacy-grid {
    grid-template-columns: 1fr;
  }

  .steps::before {
    display: none;
  }

  .step {
    display: grid;
    grid-template-columns: 56px 1fr;
    gap: 4px 20px;
    text-align: left;
  }

  .step-num {
    grid-row: span 2;
    margin: 0;
  }

  .step p {
    grid-column: 2;
  }

  .scenario-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .auth-grid {
    grid-template-columns: 1fr;
    max-width: 560px;
    margin-inline: auto;
  }

  .feature-layout {
    grid-template-columns: 1fr;
    padding-top: 40px;
  }

  .side-nav {
    position: static;
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    padding: 0;
    border-left: 0;
    margin-bottom: 24px;
  }

  .side-nav a {
    padding: 6px 11px;
    border: 1px solid var(--line);
    border-radius: 999px;
    margin: 0;
    font-size: 11.5px;
  }

  .side-nav a.active {
    border-color: rgba(167, 139, 250, 0.4);
    background: rgba(139, 92, 246, 0.1);
  }

  .faq-groups {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 34px;
  }

  .footer-col:last-child {
    grid-column: 1 / -1;
  }

  .cta-band {
    padding: 40px 34px;
  }

  .cta-grid {
    grid-template-columns: 1fr;
    gap: 26px;
  }

  .cta-actions {
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
  }

  .cta-actions .btn {
    flex: 1;
    min-width: 190px;
  }

  .cta-meta {
    flex-basis: 100%;
    text-align: left;
  }
}

@media (max-width: 720px) {
  :root {
    --header-h: 64px;
  }

  .container {
    width: min(100% - 36px, var(--container));
  }

  .section {
    padding: 76px 0;
  }

  .section-tight {
    padding: 56px 0;
  }

  .hero {
    padding-top: calc(var(--header-h) + 56px);
  }

  .hero h1 {
    font-size: clamp(2.35rem, 10.5vw, 3.4rem);
  }

  .hero-lead {
    font-size: 15px;
  }

  .hero-meta {
    gap: 7px 16px;
  }

  .metrics-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .metric {
    padding: 20px;
    border-left: 1px solid var(--line);
    border-top: 1px solid var(--line);
  }

  .metric:nth-child(odd) {
    border-left: 0;
  }

  .metric:nth-child(-n + 2) {
    border-top: 0;
  }

  .feature-grid,
  .scenario-grid,
  .req-grid,
  .download-meta {
    grid-template-columns: 1fr;
  }

  .feature-card {
    padding: 24px;
  }

  .ai-copy > p,
  .section-head p,
  .perf-copy > p {
    font-size: 14.5px;
  }

  .ai-flow {
    grid-template-columns: 1fr;
  }

  .flow-step:not(:last-child)::after {
    content: "↓";
    top: auto;
    right: 50%;
    bottom: -17px;
    transform: translateX(50%);
  }

  .task-float {
    position: relative;
    left: 0;
    bottom: 0;
    width: 100%;
    margin-top: 10px;
  }

  .ai-visual .app-card {
    transform: none;
  }

  .perf-row {
    grid-template-columns: 78px minmax(0, 1fr) 52px;
    gap: 9px;
  }

  .perf-panel {
    padding: 22px;
  }

  .perf-stats {
    grid-template-columns: 1fr;
  }

  .page-hero {
    padding-top: calc(var(--header-h) + 52px);
  }

  .page-hero-aside {
    display: none;
  }

  .block-head {
    gap: 14px;
  }

  .spec-table {
    font-size: 11.5px;
  }

  .spec-table th,
  .spec-table td {
    padding: 10px 12px;
  }

  .capability-grid,
  .quick-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .install-step {
    padding: 15px 16px;
  }

  .download-card {
    padding: 22px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }

  .footer-col:last-child {
    grid-column: 1 / -1;
  }

  .cta-band {
    padding: 32px 24px;
    border-radius: 20px;
  }

  .cta-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .cta-actions .btn {
    width: 100%;
  }

  .cta-meta {
    text-align: center;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }

  .qr-thumb {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 520px) {
  .container {
    width: min(100% - 28px, var(--container));
  }

  .header-actions .btn-primary {
    display: none;
  }

  .hero-cta .btn {
    width: 100%;
  }

  .hero-meta.plain {
    gap: 6px 16px;
  }

  .hero-meta.plain li + li::before {
    display: none;
  }

  .hero h1 {
    font-size: 2.3rem;
  }

  .screen-badge {
    display: none;
  }

  .app-caption {
    font-size: 10.5px;
  }

  .metric strong {
    font-size: 1.8rem;
  }

  .tab-btn {
    padding: 8px 12px;
    font-size: 12px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .footer-brand {
    grid-column: auto;
  }

  .qr-dialog {
    padding: 20px;
  }

  .qr-dialog img {
    width: 210px;
    height: 210px;
  }
}

@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;
  }

  .perf-bar i {
    width: var(--w);
  }
}
