/* harmony.wiki */

:root {
  --font: -apple-system, BlinkMacSystemFont, "HarmonyOS Sans SC", "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", "Segoe UI", Roboto, sans-serif;
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;

  --bg: #FAFAFC;
  --bg-alt: #F2F3F8;
  --surface: #FFFFFF;
  --text: #0E1220;
  --text-2: #3A4052;
  --muted: #6A7186;
  --line: #E4E6EE;
  --accent: #4255FF;
  --accent-ink: #FFFFFF;
  --ok: #12A150;
  --ok-bg: #E3F7EB;
  --chip: #EEF0F6;
  --shadow: 0 1px 2px rgba(16, 20, 40, .04), 0 8px 24px rgba(16, 20, 40, .06);
  --shadow-lg: 0 30px 80px -20px rgba(40, 30, 120, .35), 0 12px 30px -10px rgba(16, 20, 40, .2);
  --grad: linear-gradient(110deg, #2F6BFF 0%, #8A3FFC 48%, #E5317A 100%);

  --dark-bg: #0B0D17;
  --dark-surface: #141827;
  --dark-text: #ECEEF6;
  --dark-muted: #9AA1B8;
  --dark-line: #262B3E;

  --radius: 18px;
  --wrap: 1160px;
  --gutter: 24px;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0A0C14;
    --bg-alt: #0F121D;
    --surface: #141827;
    --text: #ECEEF6;
    --text-2: #C3C8D8;
    --muted: #9AA1B8;
    --line: #232838;
    --accent: #7B8BFF;
    --accent-ink: #0A0C14;
    --ok: #4ADE80;
    --ok-bg: rgba(74, 222, 128, .12);
    --chip: #1C2133;
    --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 8px 24px rgba(0, 0, 0, .25);
    --shadow-lg: 0 30px 80px -20px rgba(0, 0, 0, .7), 0 12px 30px -10px rgba(0, 0, 0, .5);
    --dark-bg: #06070D;
    --dark-surface: #11141F;
    color-scheme: dark;
  }
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 76px;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { margin: 0; line-height: 1.25; letter-spacing: -.01em; }
p { margin: 0; }
code {
  font-family: var(--mono);
  font-size: .88em;
  padding: .1em .4em;
  border-radius: 6px;
  background: var(--chip);
  white-space: nowrap;
}

.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.skip {
  position: absolute;
  left: -9999px;
  top: 8px;
  z-index: 100;
  padding: 8px 14px;
  border-radius: 8px;
  background: var(--accent);
  color: var(--accent-ink);
}
.skip:focus { left: 8px; }

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

/* ---------- 导航 ---------- */

.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  -webkit-backdrop-filter: saturate(1.6) blur(14px);
  backdrop-filter: saturate(1.6) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color .2s;
}
.nav.scrolled { border-bottom-color: var(--line); }

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -.01em;
}
.brand img { border-radius: 8px; }
.brand b { font-weight: 500; color: var(--muted); margin-left: 4px; }

.nav-links {
  display: flex;
  gap: 4px;
}
.nav-links a {
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 14.5px;
  color: var(--text-2);
  transition: background .15s, color .15s;
}
.nav-links a:hover { background: var(--chip); color: var(--text); }

.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  padding: 0;
  border: 0;
  border-radius: 10px;
  background: transparent;
  color: var(--text);
  cursor: pointer;
  position: relative;
}
.nav-toggle span {
  position: absolute;
  left: 11px;
  right: 11px;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
  transition: transform .2s, top .2s;
}
.nav-toggle span:first-child { top: 15px; }
.nav-toggle span:last-child { top: 23px; }
.nav-toggle[aria-expanded="true"] span:first-child { top: 19px; transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:last-child { top: 19px; transform: rotate(-45deg); }

/* ---------- 首屏 ---------- */

.hero {
  position: relative;
  padding: 72px 0 40px;
  overflow: hidden;
}

.hero-glow {
  position: absolute;
  inset: -200px -10% auto;
  height: 900px;
  pointer-events: none;
  background:
    radial-gradient(40% 50% at 22% 30%, rgba(47, 107, 255, .20), transparent 70%),
    radial-gradient(35% 45% at 78% 22%, rgba(229, 49, 122, .16), transparent 70%),
    radial-gradient(40% 40% at 55% 60%, rgba(138, 63, 252, .14), transparent 70%);
  filter: blur(10px);
}

.hero-inner {
  position: relative;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: color-mix(in srgb, var(--surface) 70%, transparent);
  font-size: 13.5px;
  color: var(--text-2);
}
.eyebrow .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--grad);
  box-shadow: 0 0 0 3px rgba(138, 63, 252, .15);
}

.hero h1 {
  margin-top: 22px;
  font-size: clamp(36px, 6.4vw, 72px);
  font-weight: 800;
  letter-spacing: -.02em;
  line-height: 1.12;
}

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

.lead {
  max-width: 720px;
  margin-top: 22px;
  font-size: clamp(16px, 2vw, 19px);
  color: var(--text-2);
}

.cta {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 32px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 48px;
  padding: 0 24px;
  border-radius: 999px;
  font-size: 16px;
  font-weight: 600;
  transition: transform .15s, box-shadow .15s, background .15s;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary {
  background: var(--text);
  color: var(--bg);
  box-shadow: 0 8px 20px -8px rgba(14, 18, 32, .5);
}
.btn-ghost {
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--text);
}
.btn-ghost:hover { box-shadow: var(--shadow); }
.cta-note {
  margin-top: 14px;
  font-size: 14.5px;
  color: var(--muted);
}
.section-head .cta { justify-content: flex-start; margin-top: 22px; }

.hero-icons {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
  margin: 40px 0 0;
  padding: 0;
  list-style: none;
}
.hero-icons img {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  box-shadow: 0 6px 16px -6px rgba(16, 20, 40, .35);
  transition: transform .2s;
}
.hero-icons li:hover img { transform: translateY(-4px) scale(1.04); }

.device {
  position: relative;
  margin: 56px auto 0;
  max-width: 1080px;
}
.device .shot,
.device .mock {
  width: 100%;
  height: auto;
  border-radius: 16px;
  box-shadow: var(--shadow-lg);
  outline: 1px solid rgba(255, 255, 255, .06);
  outline-offset: -1px;
}
.mock text { font-family: var(--font); }
.device figcaption {
  margin-top: 14px;
  text-align: center;
  font-size: 13.5px;
  color: var(--muted);
}

/* ---------- 数字 ---------- */

.stats { padding: 40px 0 24px; }
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.stat {
  padding: 22px 22px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}
.stat strong {
  display: block;
  font-size: 40px;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -.02em;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.stat span {
  display: block;
  margin-top: 8px;
  font-size: 14.5px;
  color: var(--text-2);
}

/* ---------- 通用区块 ---------- */

.section { padding: 96px 0; }
.section-alt { background: var(--bg-alt); }

.section-head {
  max-width: 760px;
  margin-bottom: 48px;
}
.section-head h2,
.split-text h2 {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 800;
  letter-spacing: -.02em;
}
.section-head > p:last-child,
.split-text > p {
  margin-top: 16px;
  font-size: 17px;
  color: var(--text-2);
}

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--accent);
}
.kicker img { border-radius: 6px; }

.muted { color: var(--muted); }

/* ---------- 应用卡片 ---------- */

.apps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.app-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 24px 22px 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  overflow: hidden;
  transition: transform .2s, box-shadow .2s, border-color .2s;
}
.app-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 180px;
  background: linear-gradient(135deg, var(--c1, transparent), var(--c2, transparent));
  -webkit-mask-image: linear-gradient(to bottom, #000, transparent);
  mask-image: linear-gradient(to bottom, #000, transparent);
  opacity: .12;
  pointer-events: none;
}
.app-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}

.app-top {
  position: relative;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 18px;
}
.app-top img {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  box-shadow: 0 8px 18px -8px var(--c2, rgba(0, 0, 0, .3));
}

.badge {
  padding: 3px 10px;
  border-radius: 999px;
  background: var(--chip);
  color: var(--muted);
  font-size: 12.5px;
  font-weight: 600;
  white-space: nowrap;
}
.badge-ok {
  background: var(--ok-bg);
  color: var(--ok);
}
.badge-live {
  background: var(--accent);
  color: var(--accent-ink);
}
.badge-ok::before,
.badge-live::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  margin-right: 6px;
  border-radius: 50%;
  background: currentColor;
  vertical-align: 2px;
}

.app-card h3 { font-size: 21px; font-weight: 750; }
.app-kind {
  margin: 4px 0 12px;
  font-size: 14px;
  color: var(--muted);
}
.app-card > p:not(.app-kind) {
  color: var(--text-2);
  font-size: 15.5px;
}

.app-note {
  margin-top: 10px;
  font-size: 13.5px;
  color: var(--muted);
}
.app-note a { color: var(--accent); font-weight: 600; }
.faq p a { color: var(--accent); font-weight: 600; }

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}
.tags li {
  padding: 2px 10px;
  border-radius: 8px;
  background: var(--chip);
  font-size: 13px;
  color: var(--text-2);
}

.app-link {
  margin-top: auto;
  padding-top: 18px;
  font-size: 15px;
  font-weight: 600;
  color: var(--accent);
}
.app-link span { display: inline-block; transition: transform .15s; }
.app-link:hover span { transform: translateX(3px); }

.app-card-note {
  justify-content: center;
  border-style: dashed;
  background: transparent;
}
.app-card-note h3 { font-size: 20px; margin-bottom: 10px; }
.app-card-note:hover { transform: none; box-shadow: none; }

/* ---------- 特性 ---------- */

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.feature {
  padding: 24px;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--line);
}
.feature svg {
  width: 40px;
  height: 40px;
  padding: 8px;
  margin-bottom: 16px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(47, 107, 255, .14), rgba(138, 63, 252, .14));
  fill: none;
  stroke: var(--accent);
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.feature h3 { font-size: 17px; font-weight: 700; }
.feature p {
  margin-top: 8px;
  font-size: 14.5px;
  color: var(--text-2);
}

.gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 28px;
}
.gallery figure { margin: 0; }
.gallery img {
  width: 100%;
  height: auto;
  border-radius: 12px;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}
.gallery figcaption {
  margin-top: 12px;
  font-size: 14px;
  color: var(--text-2);
}
.gallery figcaption b {
  display: block;
  font-size: 16px;
  color: var(--text);
}

.verified {
  margin-top: 28px;
  padding: 26px 28px;
  border-radius: var(--radius);
  border: 1px solid color-mix(in srgb, var(--ok) 30%, var(--line));
  background: color-mix(in srgb, var(--ok-bg) 60%, var(--surface));
}
.verified h3 {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
}
.verified h3 svg {
  width: 26px;
  height: 26px;
  padding: 4px;
  border-radius: 50%;
  background: var(--ok);
  fill: none;
  stroke: #FFFFFF;
  stroke-width: 2.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.verified ul {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 6px 32px;
  margin: 16px 0 14px;
  padding-left: 20px;
  color: var(--text-2);
}
.verified .muted { font-size: 13.5px; }

/* ---------- HoDesign ---------- */

.split {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: 56px;
  align-items: center;
}
.device-sm { margin: 0; }

.checks {
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 16px;
}
.checks li {
  position: relative;
  padding-left: 30px;
  color: var(--text-2);
  font-size: 15.5px;
}
.checks li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 5px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: linear-gradient(135deg, #FF7A45, #E5317A);
}
.checks li::after {
  content: "";
  position: absolute;
  left: 6px;
  top: 9px;
  width: 6px;
  height: 9px;
  border: solid #FFFFFF;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}
.checks b {
  display: block;
  color: var(--text);
  font-size: 16.5px;
  margin-bottom: 2px;
}

/* ---------- 技术（深色区） ---------- */

.section-dark {
  background:
    radial-gradient(60% 50% at 85% 0%, rgba(138, 63, 252, .22), transparent 70%),
    radial-gradient(50% 40% at 0% 100%, rgba(47, 107, 255, .18), transparent 70%),
    var(--dark-bg);
  color: var(--dark-text);
  --text: var(--dark-text);
  --text-2: #C3C8D8;
  --muted: var(--dark-muted);
  --line: var(--dark-line);
  --surface: var(--dark-surface);
  --chip: #1E2336;
  --accent: #8C9AFF;
}

.native-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.arch {
  display: grid;
  grid-template-columns: 26px 1fr;
  column-gap: 14px;
  row-gap: 10px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: rgba(255, 255, 255, .02);
}
.arch > :not(.arch-side) { grid-column: 2; }
.arch-side {
  grid-column: 1;
  writing-mode: vertical-rl;
  display: flex;
  align-items: center;
  justify-content: center;
  border-left: 2px solid;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .2em;
}
.arch-side-ts { grid-row: 1; border-color: #2DD4BF; color: #5EEAD4; }
.arch-side-rs { grid-row: 3 / 6; border-color: #F97316; color: #FDBA74; }

.arch-layer {
  padding: 14px 18px;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, .08);
  background: rgba(255, 255, 255, .04);
}
.arch-layer b { display: block; font-size: 15.5px; }
.arch-layer span {
  display: block;
  margin-top: 4px;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--muted);
}
.l-ts { background: linear-gradient(135deg, rgba(45, 212, 191, .16), rgba(45, 212, 191, .04)); }
.l-launch { background: linear-gradient(135deg, rgba(249, 115, 22, .20), rgba(249, 115, 22, .05)); border-color: rgba(249, 115, 22, .35); }
.l-bridge { background: linear-gradient(135deg, rgba(249, 115, 22, .10), rgba(249, 115, 22, .03)); }
.l-up { background: linear-gradient(135deg, rgba(138, 63, 252, .2), rgba(47, 107, 255, .08)); }
.l-gpu { text-align: center; background: rgba(255, 255, 255, .06); }

.arch-link {
  position: relative;
  text-align: center;
  font-size: 12.5px;
  color: var(--muted);
  font-family: var(--mono);
}
.arch-link::before,
.arch-link::after {
  content: "";
  display: inline-block;
  width: 1px;
  height: 12px;
  margin: 0 10px;
  vertical-align: middle;
  background: currentColor;
}

.points { display: grid; gap: 26px; }
.point h3 {
  font-size: 19px;
  font-weight: 700;
  padding-left: 16px;
  border-left: 3px solid;
  border-image: linear-gradient(#2F6BFF, #E5317A) 1;
}
.point p {
  margin-top: 8px;
  padding-left: 19px;
  font-size: 15px;
  color: var(--text-2);
}

.devices {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 56px;
}
.device-card {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 22px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, .03);
}
.device-card svg {
  flex: none;
  width: 44px;
  height: 44px;
  fill: none;
  stroke: var(--accent);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.device-card h3 { font-size: 16.5px; }
.device-card p { margin-top: 4px; font-size: 14px; color: var(--muted); }

/* ---------- 路线图 ---------- */

.roadmap {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.lane {
  padding: 26px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--surface);
}
.lane h3 {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  margin-bottom: 14px;
}
.lane-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.lane-dot.done { background: var(--ok); box-shadow: 0 0 0 4px var(--ok-bg); }
.lane-dot.next { background: #8A3FFC; box-shadow: 0 0 0 4px rgba(138, 63, 252, .15); }
.lane-dot.later { background: #F2600C; box-shadow: 0 0 0 4px rgba(242, 96, 12, .15); }
.lane ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}
.lane li {
  position: relative;
  padding-left: 16px;
  font-size: 14.5px;
  color: var(--text-2);
}
.lane li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 6px;
  height: 2px;
  border-radius: 1px;
  background: var(--muted);
}
.lane li b { color: var(--text); }

/* ---------- 常见问题 ---------- */

.faq-wrap { max-width: 860px; }
.faq { display: grid; gap: 12px; }
.faq details {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface);
  transition: box-shadow .2s;
}
.faq details[open] { box-shadow: var(--shadow); }
.faq summary {
  position: relative;
  padding: 18px 56px 18px 22px;
  font-size: 16.5px;
  font-weight: 650;
  cursor: pointer;
  list-style: none;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "";
  position: absolute;
  right: 24px;
  top: 50%;
  width: 9px;
  height: 9px;
  margin-top: -7px;
  border: solid var(--muted);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
  transition: transform .2s, margin-top .2s;
}
.faq details[open] summary::after { transform: rotate(-135deg); margin-top: -2px; }
.faq details p {
  padding: 0 22px 20px;
  color: var(--text-2);
  font-size: 15.5px;
}

/* ---------- 页脚 ---------- */

.footer {
  padding: 56px 0 36px;
  border-top: 1px solid var(--line);
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
}
.footer-brand p { margin-top: 10px; color: var(--muted); font-size: 14.5px; }
.footer-links { display: flex; gap: 64px; }
.footer-links h4 {
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--muted);
  margin-bottom: 10px;
}
.footer-links a {
  display: block;
  padding: 3px 0;
  font-size: 14.5px;
  color: var(--text-2);
}
.footer-links a:hover { color: var(--accent); }
.footer-legal {
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  display: grid;
  gap: 6px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 进场动画 ---------- */

.js .reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .6s ease, transform .6s ease;
}
.js .reveal.in {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js .reveal { opacity: 1; transform: none; transition: none; }
  * { transition: none !important; }
}

/* ---------- 响应式 ---------- */

@media (max-width: 1080px) {
  .apps-grid { grid-template-columns: repeat(2, 1fr); }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .native-grid { grid-template-columns: 1fr; }
  .split { grid-template-columns: 1fr; gap: 40px; }
}

@media (max-width: 860px) {
  .nav-toggle { display: block; }
  .nav-links {
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    padding: 8px 16px 16px;
    background: var(--bg);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 16px 30px -16px rgba(0, 0, 0, .25);
    display: none;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px; border-radius: 10px; font-size: 16px; }
  .roadmap { grid-template-columns: 1fr; }
  .devices { grid-template-columns: 1fr; }
  .verified ul { grid-template-columns: 1fr; }
  .gallery { grid-template-columns: 1fr; }
  .section { padding: 72px 0; }
}

@media (max-width: 560px) {
  :root { --gutter: 16px; }
  .hero { padding-top: 48px; }
  .hero-icons { gap: 8px; flex-wrap: nowrap; }
  .hero-icons img { width: 38px; height: 38px; border-radius: 10px; }
  .device { margin-top: 40px; }
  .device .shot,
  .device .mock { border-radius: 10px; }
  .apps-grid { grid-template-columns: 1fr; }
  .feature-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
  .stat { padding: 16px; }
  .stat strong { font-size: 30px; }
  .stat span { font-size: 13px; }
  .arch { padding: 16px; column-gap: 10px; grid-template-columns: 22px 1fr; }
  .footer-links { gap: 24px 40px; flex-wrap: wrap; }
  .btn { height: 46px; padding: 0 20px; font-size: 15px; }
}