@font-face {
  font-family: 'Barlow Condensed';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('assets/fonts/barlow-condensed-500-latin.woff2') format('woff2');
}

@font-face {
  font-family: 'Barlow Condensed';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('assets/fonts/barlow-condensed-600-latin.woff2') format('woff2');
}

@font-face {
  font-family: 'Barlow Condensed';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('assets/fonts/barlow-condensed-700-latin.woff2') format('woff2');
}

:root {
  color-scheme: light;
  --bg: oklch(0.985 0.004 210);
  --surface: oklch(1 0 0);
  --surface-muted: oklch(0.958 0.008 210);
  --surface-hover: oklch(0.94 0.02 184);
  --ink: oklch(0.22 0.025 235);
  --ink-soft: oklch(0.47 0.025 235);
  --line: oklch(0.87 0.018 220);
  --line-strong: oklch(0.72 0.035 220);
  --accent: oklch(0.65 0.13 184);
  --accent-strong: oklch(0.47 0.105 184);
  --accent-soft: oklch(0.925 0.045 184);
  --accent-contrast: oklch(0.99 0.002 210);
  --blue: oklch(0.56 0.14 248);
  --amber: oklch(0.64 0.13 75);
  --topbar: oklch(0.995 0.002 210);
  --focus: oklch(0.55 0.14 184);
  --gradient-primary: linear-gradient(135deg, oklch(0.65 0.15 190) 0%, oklch(0.55 0.14 200) 100%);
  --gradient-accent: linear-gradient(135deg, oklch(0.72 0.14 184) 0%, oklch(0.58 0.13 195) 100%);
  --gradient-hero: linear-gradient(180deg, oklch(0.985 0.004 210) 0%, oklch(0.97 0.02 200) 100%);
  --shadow-sm: 0 1px 2px oklch(0.22 0.025 235 / 0.06);
  --shadow-md: 0 4px 6px -1px oklch(0.22 0.025 235 / 0.08), 0 2px 4px -2px oklch(0.22 0.025 235 / 0.05);
  --shadow-lg: 0 10px 15px -3px oklch(0.22 0.025 235 / 0.1), 0 4px 6px -4px oklch(0.22 0.025 235 / 0.08);
  --shadow-xl: 0 20px 25px -5px oklch(0.22 0.025 235 / 0.12), 0 8px 10px -6px oklch(0.22 0.025 235 / 0.08);
  --radius: 8px;
  --radius-lg: 12px;
  --content: 1180px;
  --header-height: 68px;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 64px;
  --space-9: 96px;
  --duration: 160ms;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
}

html[data-theme='dark'] {
  color-scheme: dark;
  --bg: oklch(0.13 0.018 235);
  --surface: oklch(0.17 0.022 235);
  --surface-muted: oklch(0.205 0.025 235);
  --surface-hover: oklch(0.23 0.04 190);
  --ink: oklch(0.95 0.012 220);
  --ink-soft: oklch(0.72 0.025 220);
  --line: oklch(0.29 0.025 230);
  --line-strong: oklch(0.42 0.035 225);
  --accent: oklch(0.75 0.13 184);
  --accent-strong: oklch(0.75 0.13 184);
  --accent-soft: oklch(0.25 0.055 184);
  --accent-contrast: oklch(0.13 0.02 235);
  --blue: oklch(0.72 0.12 245);
  --amber: oklch(0.78 0.12 80);
  --topbar: oklch(0.14 0.02 235);
  --focus: oklch(0.76 0.13 184);
  --gradient-primary: linear-gradient(135deg, oklch(0.75 0.15 184) 0%, oklch(0.65 0.13 195) 100%);
  --gradient-accent: linear-gradient(135deg, oklch(0.78 0.14 184) 0%, oklch(0.68 0.13 195) 100%);
  --gradient-hero: linear-gradient(180deg, oklch(0.13 0.018 235) 0%, oklch(0.16 0.03 225) 100%);
  --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.2);
  --shadow-md: 0 4px 6px -1px oklch(0 0 0 / 0.3), 0 2px 4px -2px oklch(0 0 0 / 0.2);
  --shadow-lg: 0 10px 15px -3px oklch(0 0 0 / 0.4), 0 4px 6px -4px oklch(0 0 0 / 0.3);
  --shadow-xl: 0 20px 25px -5px oklch(0 0 0 / 0.5), 0 8px 10px -6px oklch(0 0 0 / 0.4);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html, body { overflow-x: clip; }
html.home-scroll { scroll-padding-top: var(--header-height); scroll-snap-type: y proximity; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: 'Microsoft YaHei', 'PingFang SC', 'Noto Sans CJK SC', system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  letter-spacing: 0;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

@keyframes fade-in-up {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slide-in-right {
  from {
    opacity: 0;
    transform: translateX(-20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

::selection { background: var(--accent-soft); color: var(--ink); }
a { color: inherit; }
img { display: block; max-width: 100%; }
button, input { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
svg { display: block; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { line-height: 1.12; text-wrap: balance; }
p { text-wrap: pretty; }
code, .mono { font-family: 'Cascadia Code', 'JetBrains Mono', Consolas, monospace; }
.nums { font-variant-numeric: tabular-nums; }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: fixed;
  z-index: 80;
  top: var(--space-3);
  left: var(--space-3);
  padding: var(--space-2) var(--space-3);
  border-radius: 4px;
  background: var(--ink);
  color: var(--bg);
  transform: translateY(-160%);
  transition: transform var(--duration) var(--ease-out);
}

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

:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
}

.shell {
  width: min(calc(100% - 48px), var(--content));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  z-index: 40;
  top: 0;
  min-height: var(--header-height);
  padding-top: env(safe-area-inset-top);
  border-bottom: 1px solid var(--line);
  background: var(--topbar);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-sm);
}

.header-inner {
  display: flex;
  min-height: var(--header-height);
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  transition: transform var(--duration) var(--ease-out);
}
.brand:hover {
  transform: translateX(2px);
}

.brand img {
  width: 36px;
  height: 36px;
  border: 2px solid var(--line);
  border-radius: 50%;
  object-fit: cover;
  box-shadow: var(--shadow-sm);
  transition: all var(--duration) var(--ease-spring);
}
.brand:hover img {
  border-color: var(--accent);
  box-shadow: var(--shadow-md);
  transform: rotate(5deg);
}

.brand-copy { display: grid; line-height: 1.05; }
.brand-copy strong { font-size: 16px; font-weight: 700; }
.brand-copy small { margin-top: var(--space-1); color: var(--ink-soft); font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Text', sans-serif; font-size: 11px; letter-spacing: 0.08em; }

.site-nav { display: flex; align-items: center; gap: var(--space-1); }
.site-nav a {
  min-height: 44px;
  padding: 10px var(--space-3);
  color: var(--ink-soft);
  font-size: 14px;
  text-decoration: none;
  border-radius: var(--radius);
  transition: all var(--duration) var(--ease-out);
  font-weight: 600;
}
.site-nav a:hover {
  color: var(--accent-strong);
  background: var(--accent-soft);
}
.site-nav a[aria-current='page'] {
  color: var(--ink);
  background: var(--accent-soft);
  font-weight: 700;
}

.header-actions { display: flex; align-items: center; gap: var(--space-2); }
.icon-button {
  display: inline-grid;
  width: 44px;
  height: 44px;
  place-items: center;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--surface);
  color: var(--ink-soft);
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: all var(--duration) var(--ease-spring);
}
.icon-button:hover {
  border-color: var(--accent);
  color: var(--accent-strong);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.icon-button:active {
  transform: translateY(0) scale(0.95);
  box-shadow: var(--shadow-sm);
}
.icon { width: 18px; height: 18px; }
.theme-icon { display: none; }
html[data-theme='dark'] .theme-icon-sun,
html[data-theme='light'] .theme-icon-moon { display: block; }
.menu-button { display: none; }

.button {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 12px var(--space-5);
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: transform var(--duration) var(--ease-out), background-color var(--duration) var(--ease-out), border-color var(--duration) var(--ease-out), color var(--duration) var(--ease-out), box-shadow var(--duration) var(--ease-out);
}
.button:active { transform: scale(0.98); }
.button-primary {
  background: var(--gradient-primary);
  color: white;
  box-shadow: var(--shadow-md);
}
.button-primary:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-1px);
}
.button-primary:active {
  transform: translateY(0) scale(0.98);
  box-shadow: var(--shadow-sm);
}
.button-secondary {
  border-color: var(--line-strong);
  background: var(--surface);
  color: var(--ink);
  box-shadow: var(--shadow-sm);
}
.button-secondary:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}
.button-secondary:active {
  transform: translateY(0) scale(0.98);
  box-shadow: var(--shadow-sm);
}
.button-quiet {
  background: transparent;
  color: var(--ink-soft);
}
.button-quiet:hover {
  color: var(--accent-strong);
  background: var(--accent-soft);
}

.text-link {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  gap: var(--space-2);
  color: var(--accent-strong);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: all var(--duration) var(--ease-out);
}
.text-link:hover {
  color: var(--accent-strong);
  gap: var(--space-3);
}
.text-link .icon {
  transition: transform var(--duration) var(--ease-spring);
}
.text-link:hover .icon {
  transform: translateX(2px);
}

.home-screen {
  min-height: calc(100svh - var(--header-height));
  scroll-snap-align: start;
  scroll-snap-stop: always;
}

.home-screen--hero { display: grid; grid-template-rows: 1fr; }
.home-screen--hero .home-hero { display: flex; min-height: 0; align-items: center; padding: 96px 0 64px; }
.home-screen--channels { display: flex; align-items: center; }
.home-screen--setup { display: flex; flex-direction: column; justify-content: center; }
.home-page .site-footer { scroll-snap-align: end; }

.page-rail {
  position: fixed;
  z-index: 25;
  top: 50%;
  right: 48px;
  display: grid;
  gap: var(--space-3);
  transform: translateY(-50%);
  padding: var(--space-3);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--line);
}

.page-rail a {
  display: grid;
  min-width: 56px;
  min-height: 44px;
  grid-template-columns: 24px auto;
  align-items: center;
  gap: var(--space-2);
  color: var(--ink-soft);
  font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Text', sans-serif;
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  text-decoration: none;
  padding: var(--space-2);
  border-radius: var(--radius);
  transition: all var(--duration) var(--ease-out);
}

.page-rail a::before {
  width: 24px;
  height: 2px;
  background: var(--line-strong);
  content: '';
  transform: scaleX(0.5);
  transform-origin: left center;
  transition: all var(--duration) var(--ease-out);
  border-radius: 2px;
}

.page-rail a:hover {
  color: var(--accent-strong);
  background: var(--accent-soft);
}
.page-rail a:hover::before {
  background: var(--accent-strong);
  transform: scaleX(0.75);
}
.page-rail a[aria-current='page'] {
  color: var(--accent-strong);
  background: var(--accent-soft);
  font-weight: 600;
}
.page-rail a[aria-current='page']::before {
  background: var(--gradient-accent);
  transform: scaleX(1);
  height: 3px;
}

.home-hero {
  padding: 96px 0 64px;
  border-bottom: 1px solid var(--line);
  background: var(--gradient-hero);
  position: relative;
}

.home-hero::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 50%;
  height: 100%;
  background: radial-gradient(ellipse at top right, oklch(0.75 0.13 184 / 0.08) 0%, transparent 60%);
  pointer-events: none;
}

.hero-brand { display: flex; align-items: center; gap: var(--space-6); position: relative; z-index: 1; }
.hero-logo {
  width: 96px;
  height: 96px;
  border: 2px solid var(--line);
  border-radius: 50%;
  object-fit: cover;
  box-shadow: var(--shadow-lg);
  background: var(--surface);
  transition: transform var(--duration) var(--ease-spring), box-shadow var(--duration) var(--ease-out);
}
.hero-logo:hover {
  transform: scale(1.05) rotate(2deg);
  box-shadow: var(--shadow-xl);
}
.home-hero h1 {
  margin-bottom: var(--space-3);
  font-family: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  font-size: 88px;
  font-weight: 700;
  line-height: 0.92;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: -0.02em;
}
.hero-statement {
  margin: 0;
  color: var(--ink);
  font-size: 34px;
  font-weight: 600;
  line-height: 1.2;
}
.hero-lede {
  max-width: 720px;
  margin: var(--space-6) 0 0 120px;
  color: var(--ink-soft);
  font-size: 18px;
  position: relative;
  z-index: 1;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin: var(--space-7) 0 0 120px;
  position: relative;
  z-index: 1;
}

.connection-flow {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 48px minmax(0, 1fr) 48px minmax(0, 1fr);
  align-items: stretch;
  margin-top: var(--space-7);
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
  background: var(--surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  position: relative;
  z-index: 1;
}
.connection-node {
  display: flex;
  min-width: 0;
  min-height: 92px;
  flex-direction: column;
  justify-content: center;
  padding: var(--space-4) var(--space-5);
  transition: background-color var(--duration) var(--ease-out);
}
.connection-node:hover {
  background: var(--surface-hover);
}
.connection-node span {
  margin-bottom: var(--space-2);
  color: var(--ink-soft);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}
.connection-node strong,
.connection-node code {
  overflow-wrap: anywhere;
  font-size: 15px;
  font-weight: 600;
}
.connection-node--endpoint {
  padding-inline: var(--space-5);
  border-right: 1px solid var(--line);
  border-left: 1px solid var(--line);
  background: linear-gradient(135deg, var(--accent-soft) 0%, transparent 100%);
}
.connection-node--endpoint code {
  color: var(--accent-strong);
  background: var(--surface);
  padding: var(--space-2) var(--space-3);
  border-radius: 4px;
  font-size: 14px;
  box-shadow: var(--shadow-sm);
}
.connection-arrow {
  display: grid;
  place-items: center;
  color: var(--accent-strong);
  font-size: 24px;
  font-weight: 700;
  animation: pulse-arrow 2s ease-in-out infinite;
}

@keyframes pulse-arrow {
  0%, 100% { opacity: 0.6; transform: translateX(0); }
  50% { opacity: 1; transform: translateX(4px); }
}

.feature-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
  margin-top: var(--space-8);
  position: relative;
  z-index: 1;
}

.feature-card {
  display: flex;
  flex-direction: column;
  padding: var(--space-6);
  background: oklch(0.19 0.025 235);
  border: 1px solid oklch(0.28 0.03 230);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  transition: all var(--duration) var(--ease-out);
}

html[data-theme='light'] .feature-card {
  background: oklch(0.98 0.005 220);
  border-color: var(--line);
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
  border-color: var(--accent);
}

.feature-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-4);
}

.feature-icon svg {
  width: 28px;
  height: 28px;
  color: white;
}

.feature-icon--blue {
  background: linear-gradient(135deg, oklch(0.6 0.19 250) 0%, oklch(0.5 0.18 260) 100%);
}

.feature-icon--teal {
  background: linear-gradient(135deg, oklch(0.65 0.15 180) 0%, oklch(0.55 0.14 190) 100%);
}

.feature-icon--purple {
  background: linear-gradient(135deg, oklch(0.65 0.22 290) 0%, oklch(0.55 0.2 300) 100%);
}

.feature-card h3 {
  margin: 0 0 var(--space-3);
  font-size: 20px;
  font-weight: 700;
  color: var(--ink);
}

.feature-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--ink-soft);
}

.data-strip {
  border-bottom: 1px solid var(--line);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}
.data-strip__grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); }
.data-point {
  min-height: 96px;
  padding: var(--space-4) var(--space-5);
  border-right: 1px solid var(--line);
  transition: background-color var(--duration) var(--ease-out), transform var(--duration) var(--ease-out);
  position: relative;
}
.data-point:hover {
  background: var(--surface-hover);
  transform: translateY(-2px);
  z-index: 1;
}
.data-point:first-child { border-left: 1px solid var(--line); }
.data-point span {
  display: block;
  margin-bottom: var(--space-2);
  color: var(--ink-soft);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
}
.data-point strong {
  display: block;
  font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'PingFang SC', sans-serif;
  font-size: 32px;
  line-height: 1;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 700;
}
.data-point small { color: var(--ink-soft); font-size: 12px; }

.section {
  padding: 72px 0;
  border-bottom: 1px solid var(--line);
  position: relative;
}
.section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(ellipse at top left, oklch(0.75 0.13 184 / 0.03) 0%, transparent 50%);
  pointer-events: none;
}
.section-muted {
  background: linear-gradient(135deg, var(--surface-muted) 0%, var(--bg) 100%);
}
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: var(--space-6); margin-bottom: var(--space-6); }
.section-heading h2,
.setup-copy h2,
.tutorial-entry h2,
.support-layout h2 {
  margin-bottom: var(--space-3);
  font-size: 44px;
  font-weight: 700;
  line-height: 1.1;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: -0.01em;
}
.section-heading p,
.setup-copy p,
.tutorial-entry p,
.support-layout p { max-width: 720px; margin-bottom: 0; color: var(--ink-soft); }

.channel-ledger { margin: 0; padding: 0; border-top: 1px solid var(--line-strong); list-style: none; display: grid; gap: var(--space-2); }
.channel-ledger > li { border-bottom: 0; }
.home-group {
  display: grid;
  min-height: 68px;
  grid-template-columns: minmax(120px, 0.6fr) minmax(240px, 1.6fr) minmax(180px, auto) 20px;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-3) var(--space-4);
  text-decoration: none;
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  transition: all var(--duration) var(--ease-out);
  position: relative;
}
.home-group::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  width: 3px;
  height: 100%;
  background: var(--gradient-accent);
  opacity: 0;
  border-radius: var(--radius) 0 0 var(--radius);
  transition: opacity var(--duration) var(--ease-out);
}
.home-group:hover {
  background: var(--surface-hover);
  box-shadow: var(--shadow-lg);
  transform: translateX(4px);
}
.home-group:hover::before {
  opacity: 1;
}
.home-group__identity { min-width: 0; }
.home-group__identity span {
  display: block;
  margin-bottom: 4px;
  color: var(--ink-soft);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}
.home-group__identity strong { display: block; overflow-wrap: anywhere; font-size: 15px; font-weight: 700; }
.home-group p { margin: 0; color: var(--ink-soft); font-size: 12px; line-height: 1.4; }
.home-group__rate {
  display: flex;
  align-items: baseline;
  justify-content: flex-end;
  gap: 10px;
  min-width: 0;
  white-space: nowrap;
  text-align: right;
}
.home-group__rate span {
  color: var(--ink-soft);
  font-size: 11px;
  font-weight: 600;
}
.home-group__rate b {
  color: var(--accent-strong);
  font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', sans-serif;
  font-size: 17px;
  line-height: 1;
  font-weight: 700;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.home-group > .icon {
  color: var(--ink-soft);
  transition: all var(--duration) var(--ease-spring);
  width: 16px;
  height: 16px;
}
.home-group:hover > .icon {
  color: var(--accent-strong);
  transform: translateX(4px);
}

.setup-layout { display: grid; grid-template-columns: minmax(280px, 0.75fr) minmax(0, 1.25fr); gap: 72px; align-items: start; }
.setup-copy .button { margin-top: var(--space-5); }
.setup-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-5);
}
.setup-steps { margin: 0; padding: 0; border-top: 1px solid var(--line-strong); list-style: none; }
.setup-steps li {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr);
  gap: var(--space-4);
  padding: var(--space-5) var(--space-4);
  border-bottom: 1px solid var(--line);
  border-radius: var(--radius);
  transition: all var(--duration) var(--ease-out);
  margin-bottom: var(--space-3);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}
.setup-steps li:hover {
  background: var(--surface-hover);
  box-shadow: var(--shadow-md);
  transform: translateX(4px);
}
.step-number {
  color: var(--accent-strong);
  font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', sans-serif;
  font-size: 32px;
  font-weight: 700;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.setup-steps h3 { margin-bottom: var(--space-2); font-size: 19px; font-weight: 700; }
.setup-steps p { margin: 0; color: var(--ink-soft); font-size: 14px; line-height: 1.6; }

.clients-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0;
  margin-top: var(--space-7);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  background: var(--surface);
  max-width: fit-content;
  margin-left: auto;
  margin-right: auto;
}
.clients-row > span,
.clients-row a {
  display: inline-flex;
  min-height: 52px;
  align-items: center;
  padding: 0 var(--space-4);
  border-right: 1px solid var(--line);
  font-size: 13px;
  transition: all var(--duration) var(--ease-out);
}
.clients-row > span {
  color: var(--ink-soft);
  font-weight: 600;
  background: var(--accent-soft);
}
.clients-row a {
  text-decoration: none;
  font-weight: 600;
}
.clients-row a:hover {
  background: var(--accent-soft);
  color: var(--accent-strong);
  transform: translateY(-2px);
  z-index: 1;
}
.clients-row a:last-child {
  border-right: 0;
}

.tutorial-entry { display: grid; grid-template-columns: minmax(0, 1fr) auto auto; gap: var(--space-7); align-items: center; }
.tutorial-points {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-5);
  margin: 0;
  padding: 0;
  color: var(--ink-soft);
  font-size: 14px;
  list-style: none;
}
.tutorial-points li {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius);
  background: var(--accent-soft);
  transition: all var(--duration) var(--ease-out);
}
.tutorial-points li:hover {
  background: var(--accent);
  color: white;
  transform: translateY(-2px);
}
.tutorial-points li::before {
  content: '✓';
  color: var(--accent-strong);
  font-weight: 700;
  font-size: 16px;
  transition: color var(--duration) var(--ease-out);
}
.tutorial-points li:hover::before {
  color: white;
}

.support-band {
  padding: var(--space-7) 0;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(135deg, var(--surface-muted) 0%, var(--surface) 100%);
  position: relative;
}
.support-band::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background: var(--gradient-accent);
  opacity: 0.3;
}
.support-band--inline {
  padding: var(--space-6) 0 0;
  margin-top: var(--space-7);
  border: none;
  border-top: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: transparent;
}
.support-band--inline::before {
  display: none;
}
.support-layout { display: grid; grid-template-columns: minmax(260px, 1fr) minmax(0, 1.4fr); gap: var(--space-7); align-items: center; }
.support-layout h2 { margin-bottom: var(--space-2); font-size: 34px; }
.support-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin: 0;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  background: var(--surface);
}
.support-list div {
  padding: var(--space-5);
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  transition: all var(--duration) var(--ease-out);
}
.support-list div:hover {
  background: var(--accent-soft);
  z-index: 1;
}
.support-list dt { color: var(--ink-soft); font-size: 11px; text-transform: uppercase; letter-spacing: 0.05em; font-weight: 600; }
.support-list dd { margin: var(--space-2) 0 0; font-size: 15px; font-weight: 700; }
.support-channel { display: flex; align-items: center; gap: var(--space-2); text-transform: none; letter-spacing: 0; }
.support-channel__icon { width: 16px; height: 16px; flex: 0 0 auto; }
.support-channel__icon--discord { color: #5865f2; }
.support-channel__icon--whatsapp { color: #25d366; }
.support-placeholder { color: var(--ink); font-family: ui-monospace, SFMono-Regular, Consolas, 'Liberation Mono', monospace; overflow-wrap: anywhere; }

.price-intro { padding: 56px 0 var(--space-6); border-bottom: 1px solid var(--line); }
.price-intro__layout { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: var(--space-8); align-items: end; }
.price-intro h1 { margin-bottom: var(--space-3); font-size: 52px; font-weight: 650; }
.price-intro p { max-width: 720px; margin-bottom: 0; color: var(--ink-soft); }
.verified-block { min-width: 300px; padding-left: var(--space-5); border-left: 1px solid var(--line-strong); }
.verified-block span,
.verified-block small { display: block; color: var(--ink-soft); font-size: 12px; }
.verified-block strong { display: block; margin: var(--space-2) 0; font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', sans-serif; font-size: 22px; }

.site-footer {
  padding: var(--space-6) 0;
  background: var(--surface);
  border-top: 2px solid var(--accent-soft);
}
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: var(--space-5); }
.footer-copy { color: var(--ink-soft); font-size: 12px; }
.footer-links { display: flex; flex-wrap: wrap; gap: var(--space-4); }
.footer-links a {
  color: var(--ink-soft);
  font-size: 12px;
  text-decoration: none;
  font-weight: 600;
  transition: color var(--duration) var(--ease-out);
}
.footer-links a:hover { color: var(--accent-strong); }

@media (max-width: 1020px) {
  .page-rail { display: none; }
  .connection-flow { grid-template-columns: minmax(0, 1fr) 36px minmax(0, 1fr) 36px minmax(0, 1fr); }
  .feature-cards { grid-template-columns: 1fr; gap: var(--space-4); }
  .setup-layout { gap: var(--space-7); }
  .tutorial-entry { grid-template-columns: 1fr auto; }
  .tutorial-points { grid-column: 1 / -1; grid-row: 2; }
}

@media (max-width: 760px) {
  :root { --header-height: 62px; }
  .shell { width: min(calc(100% - 28px), var(--content)); }
  .brand-copy small { display: none; }
  .header-login { display: none; }
  .menu-button { display: inline-grid; }
  .site-nav {
    position: absolute;
    top: calc(100% + 1px);
    right: 14px;
    left: 14px;
    display: none;
    padding: var(--space-2);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface);
  }
  .site-nav.is-open { display: grid; }
  .site-nav a { display: flex; align-items: center; border-bottom: 1px solid var(--line); }
  .site-nav a:last-child { border-bottom: 0; }

  .home-screen--hero .home-hero { align-items: flex-start; padding: var(--space-7) 0 var(--space-6); }
  .home-screen--channels { align-items: flex-start; }
  .home-screen--guide { display: block; }
  .home-screen--guide > .section { display: block; }
  .hero-brand { align-items: flex-start; gap: var(--space-4); }
  .hero-logo { width: 64px; height: 64px; }
  .home-hero h1 { font-size: 58px; }
  .hero-statement { font-size: 26px; }
  .hero-lede { margin: var(--space-5) 0 0; font-size: 16px; }
  .hero-actions { margin: var(--space-5) 0 0; }
  .hero-actions .button { width: 100%; }
  .connection-flow { grid-template-columns: 1fr; margin-top: var(--space-6); }
  .connection-node { min-height: 68px; padding: var(--space-3) 0; }
  .connection-node--endpoint { padding-inline: 0; border: 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
  .connection-arrow { display: none; }
  .feature-cards { grid-template-columns: 1fr; gap: var(--space-3); margin-top: var(--space-6); }

  .section { padding: 56px 0; }
  .section-heading { align-items: flex-start; flex-direction: column; gap: var(--space-4); margin-bottom: var(--space-5); }
  .section-heading h2,
  .setup-copy h2,
  .tutorial-entry h2 { font-size: 34px; }
  .home-group { grid-template-columns: minmax(0, 1fr) auto 20px; gap: var(--space-3); padding: var(--space-4) var(--space-1); }
  .home-group p { grid-column: 1 / -1; grid-row: 2; }
  .home-group__rate { justify-content: flex-end; }
  .setup-layout { grid-template-columns: 1fr; gap: var(--space-6); }
  .clients-row { gap: 0; max-width: 100%; }
  .clients-row > span { width: 100%; border-right: 0; border-bottom: 1px solid var(--line); }
  .clients-row a { flex: 1 0 33%; justify-content: center; border-bottom: 1px solid var(--line); }
  .tutorial-entry { grid-template-columns: 1fr; gap: var(--space-5); }
  .tutorial-points { grid-column: auto; grid-row: auto; }
  .tutorial-entry .button { width: 100%; }
  .support-layout { grid-template-columns: 1fr; gap: var(--space-5); }

  .price-intro { padding: var(--space-7) 0 var(--space-5); }
  .price-intro__layout { grid-template-columns: 1fr; gap: var(--space-5); }
  .price-intro h1 { font-size: 42px; }
  .verified-block { min-width: 0; padding: var(--space-4) 0 0; border-top: 1px solid var(--line-strong); border-left: 0; }
  .action-band__layout { align-items: flex-start; flex-direction: column; gap: var(--space-5); }
  .action-band__buttons { width: 100%; }
  .action-band__buttons .button { width: 100%; }
  .footer-inner { align-items: flex-start; flex-direction: column; }
}

@media (max-width: 480px) {
  .hero-brand { gap: var(--space-3); }
  .hero-logo { width: 52px; height: 52px; }
  .home-hero h1 { font-size: 48px; }
  .hero-statement { font-size: 24px; }
  .data-point { min-height: 92px; padding: var(--space-3); }
  .data-point strong { font-size: 24px; }
  .support-list { grid-template-columns: 1fr; }
  .support-list div { border-right: 0; }
}

@media (max-width: 360px) {
  .hero-logo { width: 48px; height: 48px; }
  .home-hero h1 { font-size: 42px; }
  .hero-statement { font-size: 21px; }
}

@media (min-width: 1021px) and (min-height: 760px) {
  html.home-scroll { scroll-snap-type: y mandatory; }
  .home-screen--channels,
  .home-screen--setup { padding-top: var(--space-7); padding-bottom: var(--space-7); }
  .home-screen--channels .section-heading { margin-bottom: var(--space-5); }
  .home-screen--channels .home-group { min-height: 68px; padding-top: 10px; padding-bottom: 10px; }
  .home-screen--setup .clients-row { margin-top: var(--space-6); }
  .home-screen--guide > .section { padding-top: var(--space-7); padding-bottom: var(--space-7); }
}

@media (pointer: coarse) {
  .page-rail { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  html.home-scroll { scroll-snap-type: none; }
  .home-screen { scroll-snap-stop: normal; }
  *, *::before, *::after { transition-duration: 0.01ms !important; }
  .skip-link,
  .icon-button,
  .button { transform: none !important; }
}