@font-face {
  font-family: 'Manrope';
  font-style: normal;
  font-display: swap;
  font-weight: 200 800;
  src: url('../fonts/manrope-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

@font-face {
  font-family: 'Manrope';
  font-style: normal;
  font-display: swap;
  font-weight: 200 800;
  src: url('../fonts/manrope-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: 'Unbounded';
  font-style: normal;
  font-display: swap;
  font-weight: 200 900;
  src: url('../fonts/unbounded-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

@font-face {
  font-family: 'Unbounded';
  font-style: normal;
  font-display: swap;
  font-weight: 200 900;
  src: url('../fonts/unbounded-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

:root {
  color-scheme: dark;
  --night: #050e11;
  --bg: #0a171c;
  --surface: #0f2128;
  --surface-2: #132a32;
  --surface-3: #1a3640;
  --line: rgba(255, 255, 255, 0.07);
  --line-2: rgba(255, 255, 255, 0.13);
  --text: #ecf6f2;
  --muted: #b2c9c1;
  --dim: #7f9b92;
  --emerald: #0fb57a;
  --mint: #3ee3a0;
  --gold: #f3b53f;
  --grad: linear-gradient(120deg, #3ee3a0 0%, #0fb57a 52%, #0a8a5f 100%);
  --grad-gold: linear-gradient(120deg, #ffd88a 0%, #f3b53f 48%, #e0951d 100%);
  --grad-card: linear-gradient(160deg, #15303a 0%, #0f2128 60%, #0c1c22 100%);
  --shadow: 0 26px 50px -20px rgba(0, 0, 0, 0.65);
  --shadow-sm: 0 12px 28px -14px rgba(0, 0, 0, 0.6);
  --r-btn: 6px;
  --r: 12px;
  --r-lg: 18px;
  --container: 1240px;
  --header-h: 68px;
  --f-body: 'Manrope', ui-sans-serif, system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --f-display: 'Unbounded', 'Manrope', ui-sans-serif, system-ui, sans-serif;
  --home: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M3 11 12 3l9 8M5.5 9.5V21h13V9.5M10 21v-6h4v6'/%3E%3C/svg%3E");
  --check: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m5 12.5 4.5 4.5L19 7.5'/%3E%3C/svg%3E");
  --x: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 6l12 12M18 6 6 18'/%3E%3C/svg%3E");
  --up: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M12 19V5M6 11l6-6 6 6'/%3E%3C/svg%3E");
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 18px);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  background:
    radial-gradient(900px 600px at 100% 30%, rgba(15, 181, 122, 0.07), transparent 70%),
    radial-gradient(800px 600px at 0% 70%, rgba(243, 181, 63, 0.04), transparent 70%),
    var(--bg);
  color: var(--text);
  font-family: var(--f-body);
  font-size: 14px;
  line-height: 1.75;
  font-weight: 500;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--mint);
  text-decoration: none;
  transition: color 0.18s ease;
}

a:hover {
  color: var(--gold);
}

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

::selection {
  background: rgba(62, 227, 160, 0.35);
  color: #fff;
}

button {
  font: inherit;
}

h1,
h2,
h3 {
  text-wrap: balance;
}

p {
  text-wrap: pretty;
}

figure {
  margin: 0;
}

.container {
  width: min(calc(100% - 32px), var(--container));
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  z-index: 9999;
  top: 10px;
  left: 10px;
  padding: 10px 16px;
  transform: translateY(-200%);
  background: var(--gold);
  color: var(--night);
  border-radius: var(--r-btn);
  font-weight: 800;
}

.skip-link:focus {
  transform: none;
}

.ico {
  display: inline-block;
  width: 18px;
  height: 18px;
  flex: 0 0 auto;
  background: currentColor;
  -webkit-mask: var(--ico) center / contain no-repeat;
  mask: var(--ico) center / contain no-repeat;
}

.i-download {
  --ico: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M12 3v12M7 10l5 5 5-5M5 21h14'/%3E%3C/svg%3E");
}

.i-clock {
  --ico: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='12' cy='12' r='9'/%3E%3Cpath d='M12 7v5l3 2'/%3E%3C/svg%3E");
}

.i-bolt {
  --ico: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M13 2 4 14h7l-1 8 9-12h-7z'/%3E%3C/svg%3E");
}

.i-gift {
  --ico: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='3' y='8' width='18' height='4'/%3E%3Cpath d='M5 12v9h14v-9M12 8v13M12 8c-2-4-6-4-6-1.5S10 8 12 8zm0 0c2-4 6-4 6-1.5S14 8 12 8z'/%3E%3C/svg%3E");
}

.i-lock {
  --ico: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='5' y='11' width='14' height='10' rx='2'/%3E%3Cpath d='M8 11V7a4 4 0 0 1 8 0v4M12 15v2'/%3E%3C/svg%3E");
}

.i-bell {
  --ico: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9a6 6 0 0 1 12 0c0 6 3 8 3 8H3s3-2 3-8M10 21h4'/%3E%3C/svg%3E");
}

.i-shield {
  --ico: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M12 3l8 3v6c0 5-3.5 8-8 9-4.5-1-8-4-8-9V6z'/%3E%3Cpath d='M9 12l2 2 4-4'/%3E%3C/svg%3E");
}

.i-android {
  --ico: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 11a6 6 0 0 1 12 0v7a1 1 0 0 1-1 1H7a1 1 0 0 1-1-1zM6 12h12M8 3.5l1.5 2.5M16 3.5 14.5 6M9.5 9h.01M14.5 9h.01M3 12v4M21 12v4'/%3E%3C/svg%3E");
}

.i-phone {
  --ico: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='6.5' y='2' width='11' height='20' rx='2.5'/%3E%3Cpath d='M10.5 18.5h3M10 4.5h4'/%3E%3C/svg%3E");
}

.i-slot {
  --ico: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='3' y='5' width='18' height='14' rx='2'/%3E%3Cpath d='M9 5v14M15 5v14M5.5 12h1.5M11.2 12h1.6M17 12h1.5'/%3E%3C/svg%3E");
}

.i-live {
  --ico: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='2' y='6' width='14' height='12' rx='2'/%3E%3Cpath d='M16 10.5 22 7v10l-6-3.5'/%3E%3Ccircle cx='6' cy='10' r='1'/%3E%3C/svg%3E");
}

.i-cards {
  --ico: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='3' y='6' width='11' height='15' rx='2'/%3E%3Cpath d='M8 3h11a2 2 0 0 1 2 2v12M8.5 11.5l-1 2 1 2 1-2z'/%3E%3C/svg%3E");
}

.i-ball {
  --ico: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='12' cy='12' r='9'/%3E%3Cpath d='m12 7.5 4 2.9-1.5 4.6h-5L8 10.4zM12 3v4.5M16 10.4l4.3-1.4M14.5 15l2.7 3.7M9.5 15l-2.7 3.7M8 10.4 3.7 9'/%3E%3C/svg%3E");
}

.i-trophy {
  --ico: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M8 4h8v5a4 4 0 0 1-8 0zM8 6H5a3 3 0 0 0 3 5M16 6h3a3 3 0 0 1-3 5M12 13v4M8 21h8M10 17h4v4h-4z'/%3E%3C/svg%3E");
}

.i-cpu {
  --ico: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='6' y='6' width='12' height='12' rx='2'/%3E%3Crect x='9.5' y='9.5' width='5' height='5'/%3E%3Cpath d='M9 2v4M15 2v4M9 18v4M15 18v4M2 9h4M2 15h4M18 9h4M18 15h4'/%3E%3C/svg%3E");
}

.i-warn {
  --ico: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M12 3.5 22 20.5H2z'/%3E%3Cpath d='M12 10v4.5M12 17.5h.01'/%3E%3C/svg%3E");
}

.i-check {
  --ico: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m5 12.5 4.5 4.5L19 7.5'/%3E%3C/svg%3E");
}

.i-globe {
  --ico: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='12' cy='12' r='9'/%3E%3Cpath d='M3 12h18M12 3a14 14 0 0 1 0 18M12 3a14 14 0 0 0 0 18'/%3E%3C/svg%3E");
}

.i-refresh {
  --ico: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 11A8 8 0 0 0 5.1 7.1M4 3.5V8h4.5M4 13a8 8 0 0 0 14.9 3.9M20 20.5V16h-4.5'/%3E%3C/svg%3E");
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 44px;
  padding: 11px 20px;
  border: 1.5px solid transparent;
  border-radius: var(--r-btn);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.01em;
  line-height: 1.2;
  white-space: nowrap;
  cursor: pointer;
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease,
    background 0.2s ease,
    border-color 0.2s ease,
    color 0.2s ease;
}

.btn-primary {
  color: var(--night);
  background: var(--grad-gold);
  box-shadow:
    0 10px 24px -10px rgba(224, 149, 29, 0.7),
    inset 0 1px 0 rgba(255, 255, 255, 0.45);
}

.btn-primary:hover {
  color: var(--night);
  transform: translateY(-2px);
  box-shadow:
    0 16px 30px -12px rgba(224, 149, 29, 0.85),
    inset 0 1px 0 rgba(255, 255, 255, 0.45);
}

.btn-ghost {
  color: #fff;
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.26);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}

.btn-ghost:hover {
  color: var(--night);
  background: var(--mint);
  border-color: var(--mint);
}

.btn-outline {
  color: var(--gold);
  background: rgba(243, 181, 63, 0.05);
  border-color: rgba(243, 181, 63, 0.55);
}

.btn-outline:hover {
  color: var(--night);
  background: var(--gold);
  border-color: var(--gold);
  transform: translateY(-2px);
}

.btn-sm {
  min-height: 38px;
  padding: 8px 16px;
  font-size: 13px;
}

.btn-sm .ico {
  width: 16px;
  height: 16px;
}

.btn-lg {
  min-height: 50px;
  padding: 13px 26px;
}

.btn-block {
  width: 100%;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(5, 14, 17, 0.9);
  border-bottom: 1px solid var(--line);
  -webkit-backdrop-filter: saturate(150%) blur(16px);
  backdrop-filter: saturate(150%) blur(16px);
  transition:
    box-shadow 0.25s ease,
    background 0.25s ease;
}

.site-header.is-stuck {
  background: rgba(5, 14, 17, 0.97);
  box-shadow: 0 14px 34px -12px rgba(0, 0, 0, 0.7);
}

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

.brand {
  flex: 0 0 auto;
  width: 124px;
}

.read-progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 3px;
  pointer-events: none;
}

.read-progress span {
  display: block;
  height: 100%;
  background: var(--grad);
  transform: scaleX(0);
  transform-origin: left;
}

.hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: var(--night);
  color: #fff;
  border-bottom: 1px solid var(--line);
}

.hero-bg img {
  position: absolute;
  top: 0;
  left: 0;
  z-index: -2;
  width: 100%;
  height: auto;
  -webkit-mask-image: linear-gradient(180deg, #000 72%, transparent 100%);
  mask-image: linear-gradient(180deg, #000 72%, transparent 100%);
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(ellipse 40% 62% at 50% 50%, rgba(5, 14, 17, 0.78), rgba(5, 14, 17, 0.3) 72%, transparent),
    linear-gradient(180deg, rgba(5, 14, 17, 0.5), transparent 22%);
}

.hero-inner {
  display: flex;
  flex-direction: column;
  min-height: min(33vw, 640px);
  padding: 14px 0 30px;
}

.hero-top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 16px;
}

.breadcrumbs {
  font-size: 13px;
}

.breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.breadcrumbs li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.breadcrumbs li + li::before {
  content: '';
  width: 6px;
  height: 6px;
  margin-right: 2px;
  border-top: 2px solid var(--mint);
  border-right: 2px solid var(--mint);
  transform: rotate(45deg);
}

.breadcrumbs a {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 3px 10px 3px 8px;
  border-radius: var(--r-btn);
  background: rgba(255, 255, 255, 0.08);
  color: #d7ebe4;
  font-weight: 700;
}

.breadcrumbs a::before {
  content: '';
  width: 14px;
  height: 14px;
  background: var(--mint);
  -webkit-mask: var(--home) center / contain no-repeat;
  mask: var(--home) center / contain no-repeat;
}

.breadcrumbs a:hover {
  color: var(--night);
  background: var(--mint);
}

.breadcrumbs a:hover::before {
  background: var(--night);
}

.breadcrumbs [aria-current] {
  color: var(--gold);
  font-weight: 700;
}

.hero-date {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin: 0;
  color: #9dbab1;
  font-size: 12.5px;
}

.hero-date .ico {
  width: 14px;
  height: 14px;
  color: var(--mint);
}

.hero-copy {
  max-width: 920px;
  margin: auto;
  padding: 22px 0 0;
  text-align: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  padding: 5px 12px;
  border: 1px solid rgba(62, 227, 160, 0.45);
  border-radius: var(--r-btn);
  background: rgba(62, 227, 160, 0.1);
  color: var(--mint);
  font-size: 11.5px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.eyebrow::before {
  content: '';
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--mint);
  box-shadow: 0 0 0 4px rgba(62, 227, 160, 0.2);
  animation: pulse 2.2s ease-in-out infinite;
}

@keyframes pulse {
  50% {
    box-shadow: 0 0 0 7px rgba(62, 227, 160, 0);
  }
}

h1 {
  margin: 14px 0 12px;
  font-family: var(--f-display);
  font-size: clamp(24px, 2.6vw, 40px);
  line-height: 1.15;
  letter-spacing: -0.02em;
  font-weight: 700;
  color: #fff;
}

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

.hero-lead {
  max-width: 62ch;
  margin: 0 auto;
  color: #cfe3dc;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 20px;
}

.hero-stats {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.hero-stats li {
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
  padding: 7px 12px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--r-btn);
  background: rgba(5, 14, 17, 0.6);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}

.hero-stats strong {
  font-family: var(--f-display);
  font-size: 13px;
  font-weight: 700;
  color: var(--gold);
  white-space: nowrap;
}

.hero-stats span {
  color: #b5cec6;
  font-size: 12.5px;
}

.layout {
  display: grid;
  grid-template-columns: 256px minmax(0, 1fr);
  gap: 40px;
  align-items: start;
  padding: 44px 0 72px;
}

.article {
  min-width: 0;
}

.toc-col,
.rail {
  align-self: stretch;
}

.rail {
  display: none;
}

.toc {
  position: sticky;
  top: calc(var(--header-h) + 22px);
  max-height: calc(100vh - var(--header-h) - 44px);
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
  scrollbar-width: thin;
  scrollbar-color: var(--surface-3) transparent;
}

.toc-head {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 15px 16px;
  border: 0;
  border-bottom: 1px solid var(--line);
  background: var(--surface-2);
  color: var(--text);
  text-align: left;
  cursor: default;
}

.toc-title {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--f-display);
  font-size: 13px;
  font-weight: 700;
}

.toc-ico {
  width: 16px;
  height: 14px;
  background:
    linear-gradient(var(--mint) 0 0) 0 0 / 100% 2px no-repeat,
    linear-gradient(var(--gold) 0 0) 0 6px / 65% 2px no-repeat,
    linear-gradient(var(--emerald) 0 0) 0 12px / 85% 2px no-repeat;
}

.toc-count {
  margin-left: auto;
  padding: 2px 8px;
  border-radius: var(--r-btn);
  background: rgba(62, 227, 160, 0.12);
  color: var(--mint);
  font-size: 11px;
  font-weight: 800;
  white-space: nowrap;
}

.toc-chev {
  display: none;
  width: 9px;
  height: 9px;
  border-right: 2px solid var(--mint);
  border-bottom: 2px solid var(--mint);
  transform: rotate(45deg) translateY(-3px);
  transition: transform 0.2s ease;
}

.toc-list {
  margin: 0;
  padding: 10px 8px 12px;
  list-style: none;
}

.toc-row {
  display: flex;
  align-items: stretch;
}

.toc-row > a {
  position: relative;
  flex: 1 1 auto;
  padding: 7px 10px 7px 24px;
  border-radius: 8px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
  line-height: 1.45;
  transition:
    background 0.18s ease,
    color 0.18s ease;
}

.toc-row > a::before {
  content: '';
  position: absolute;
  left: 10px;
  top: 14px;
  width: 6px;
  height: 6px;
  border-radius: 2px;
  background: var(--surface-3);
  transition:
    background 0.18s ease,
    transform 0.18s ease;
}

.toc-list a:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.04);
}

.toc-row > a.is-live {
  color: #fff;
  background: linear-gradient(90deg, rgba(62, 227, 160, 0.16), rgba(62, 227, 160, 0.02));
}

.toc-row > a.is-live::before {
  background: var(--gold);
  transform: rotate(45deg);
}

.toc-more {
  flex: 0 0 30px;
  display: grid;
  place-items: center;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--dim);
  cursor: pointer;
}

.toc-more::before {
  content: '';
  width: 7px;
  height: 7px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(-45deg);
  transition: transform 0.2s ease;
}

.toc-more:hover {
  color: var(--mint);
  background: rgba(255, 255, 255, 0.04);
}

.toc-item.is-open .toc-more::before {
  transform: rotate(45deg) translate(-2px, -2px);
}

.toc-sub {
  display: none;
  margin: 2px 0 6px 22px;
  padding: 0 0 0 12px;
  list-style: none;
  border-left: 1px solid var(--line-2);
}

.toc-item.is-open .toc-sub {
  display: block;
}

.toc-sub a {
  display: block;
  padding: 4px 8px;
  border-radius: 8px;
  color: var(--dim);
  font-size: 13px;
  font-weight: 600;
  line-height: 1.45;
}

.toc-sub a.is-live {
  color: var(--mint);
  font-weight: 800;
}

.toc-progress {
  height: 3px;
  margin: 0 16px 16px;
  border-radius: 3px;
  background: var(--surface-3);
  overflow: hidden;
}

.toc-progress span {
  display: block;
  height: 100%;
  background: var(--grad);
  transform: scaleX(0);
  transform-origin: left;
}

.rail-card {
  position: sticky;
  top: calc(var(--header-h) + 22px);
  padding: 24px 20px;
  border: 1px solid var(--line-2);
  border-radius: var(--r-lg);
  background:
    radial-gradient(240px 160px at 90% 0%, rgba(62, 227, 160, 0.2), transparent 70%),
    var(--grad-card);
  box-shadow: var(--shadow);
  text-align: center;
}

.rail-logo {
  width: 128px;
  margin: 0 auto 14px;
}

.rail-tag {
  display: inline-block;
  margin: 0;
  padding: 3px 10px;
  border-radius: var(--r-btn);
  background: rgba(62, 227, 160, 0.12);
  color: var(--mint);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.rail-big {
  margin: 10px 0 0;
  font-family: var(--f-display);
  font-size: 24px;
  font-weight: 700;
  line-height: 1.2;
  color: var(--gold);
}

.rail-sub {
  margin: 2px 0 16px;
  color: var(--muted);
  font-size: 13px;
}

.rail-links {
  display: grid;
  gap: 6px;
  margin: 16px 0 0;
  padding: 16px 0 0;
  list-style: none;
  border-top: 1px solid var(--line);
  text-align: left;
}

.rail-links a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  border: 1px solid var(--line);
  border-radius: var(--r-btn);
  background: rgba(255, 255, 255, 0.03);
  color: #d7ebe4;
  font-size: 13px;
  font-weight: 700;
  transition:
    background 0.18s ease,
    border-color 0.18s ease;
}

.rail-links .ico {
  width: 16px;
  height: 16px;
  color: var(--mint);
}

.rail-links a:hover {
  color: #fff;
  border-color: rgba(62, 227, 160, 0.4);
  background: rgba(62, 227, 160, 0.08);
}

.sec {
  position: relative;
  margin: 0 0 64px;
  scroll-margin-top: calc(var(--header-h) + 18px);
}

.sec:last-child {
  margin-bottom: 0;
}

.sec-title {
  position: relative;
  margin: 0 0 18px;
  padding-left: 18px;
  font-family: var(--f-display);
  font-size: clamp(19px, 1.8vw, 25px);
  line-height: 1.3;
  letter-spacing: -0.015em;
  font-weight: 700;
  color: #fff;
}

.sec-title::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.18em;
  bottom: 0.18em;
  width: 5px;
  border-radius: 3px;
  background: linear-gradient(180deg, var(--gold), var(--emerald));
}

.sec h3 {
  margin: 0 0 8px;
  font-family: var(--f-display);
  font-size: 16px;
  line-height: 1.4;
  font-weight: 600;
  color: #fff;
  scroll-margin-top: calc(var(--header-h) + 18px);
}

.sec p {
  margin: 12px 0;
  color: var(--muted);
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: 32px;
  align-items: center;
}

.split-text p:first-child {
  margin-top: 0;
}

.media-glow {
  position: relative;
  padding: 18px;
}

.media-glow::before {
  content: '';
  position: absolute;
  inset: 10% 8%;
  border-radius: 50%;
  background: radial-gradient(closest-side, rgba(62, 227, 160, 0.35), rgba(243, 181, 63, 0.1) 60%, transparent);
  filter: blur(20px);
}

.media-glow img {
  position: relative;
  filter: drop-shadow(0 26px 30px rgba(0, 0, 0, 0.55));
  transition: transform 0.5s ease;
}

.media-glow:hover img {
  transform: translateY(-6px) rotate(-1deg);
}

.features {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 22px;
}

.feature {
  position: relative;
  padding: 24px 22px 22px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--grad-card);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition:
    transform 0.25s ease,
    border-color 0.25s ease;
}

.feature::after {
  content: '';
  position: absolute;
  right: -40px;
  top: -40px;
  width: 130px;
  height: 130px;
  border-radius: 50%;
  background: radial-gradient(closest-side, rgba(62, 227, 160, 0.14), transparent);
}

.feature:hover {
  transform: translateY(-4px);
  border-color: rgba(62, 227, 160, 0.35);
}

.feature-ico,
.cat-ico,
.platform-ico,
.h3-ico,
.safety-ico {
  position: relative;
  display: block;
  background: rgba(62, 227, 160, 0.1);
  border: 1px solid rgba(62, 227, 160, 0.22);
  -webkit-mask: none;
  mask: none;
}

.feature-ico::before,
.cat-ico::before,
.platform-ico::before,
.h3-ico::before,
.safety-ico::before {
  content: '';
  position: absolute;
  inset: 24%;
  background: var(--mint);
  -webkit-mask: var(--ico) center / contain no-repeat;
  mask: var(--ico) center / contain no-repeat;
}

.feature-ico {
  width: 48px;
  height: 48px;
  margin-bottom: 14px;
  border-radius: 12px;
}

.feature-ico::before {
  background: var(--gold);
}

.sec .feature p {
  margin: 0;
}

.callout {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  margin: 20px 0;
  padding: 16px 20px;
  border: 1px solid rgba(62, 227, 160, 0.2);
  border-left: 4px solid var(--emerald);
  border-radius: var(--r);
  background: rgba(62, 227, 160, 0.06);
}

.callout-ico {
  width: 22px;
  height: 22px;
  margin-top: 3px;
  color: var(--mint);
}

.sec .callout p {
  margin: 0;
  color: var(--text);
}

.platforms {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin: 24px 0 36px;
}

.platform {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background:
    radial-gradient(300px 180px at 100% 0%, rgba(62, 227, 160, 0.16), transparent 70%),
    var(--grad-card);
  box-shadow: var(--shadow);
}

.platform--ios {
  background:
    radial-gradient(300px 180px at 100% 0%, rgba(243, 181, 63, 0.14), transparent 70%),
    var(--grad-card);
}

.platform-top {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}

.platform-ico {
  width: 44px;
  height: 44px;
  border-radius: 10px;
}

.platform--ios .platform-ico::before {
  background: var(--gold);
}

.platform-chip {
  padding: 3px 10px;
  border: 1px solid var(--line-2);
  border-radius: var(--r-btn);
  color: #d7ebe4;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.06em;
}

.sec .platform p {
  flex: 1 1 auto;
  margin: 0 0 18px;
}

.quick {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 240px;
  gap: 32px;
  align-items: center;
  padding: 28px 30px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background:
    radial-gradient(420px 260px at 100% 100%, rgba(62, 227, 160, 0.12), transparent 70%),
    var(--surface);
  box-shadow: var(--shadow-sm);
}

.quick .btn {
  margin-top: 6px;
}

.quick-phone img {
  width: 100%;
  max-width: 240px;
  margin-inline: auto;
  filter: drop-shadow(0 24px 26px rgba(0, 0, 0, 0.55));
  transform: rotate(4deg);
}

.steps {
  counter-reset: step;
  margin: 18px 0;
  padding: 0;
  list-style: none;
}

.steps li {
  counter-increment: step;
  position: relative;
  min-height: 34px;
  padding: 0 0 16px 50px;
  color: var(--muted);
}

.steps li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: -2px;
  z-index: 1;
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 8px;
  background: var(--grad);
  color: var(--night);
  font-family: var(--f-display);
  font-size: 13px;
  font-weight: 700;
  box-shadow: 0 0 0 4px rgba(62, 227, 160, 0.1);
}

.steps li:not(:last-child)::after {
  content: '';
  position: absolute;
  left: 16px;
  top: 36px;
  bottom: 2px;
  width: 2px;
  background: repeating-linear-gradient(180deg, var(--surface-3) 0 4px, transparent 4px 8px);
}

.steps li:last-child {
  padding-bottom: 0;
}

.steps strong {
  color: #fff;
}

.media-wide {
  margin: 20px 0;
}

.media-wide img {
  margin-inline: auto;
  filter: drop-shadow(0 22px 26px rgba(0, 0, 0, 0.55));
}

.sec .list-intro {
  color: #fff;
  font-weight: 700;
}

.cats {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 14px;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}

.cat {
  grid-column: span 2;
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: var(--surface);
  transition:
    border-color 0.2s ease,
    transform 0.2s ease;
}

.cat:nth-child(n + 4) {
  grid-column: span 3;
}

.cat:hover {
  border-color: rgba(62, 227, 160, 0.4);
  transform: translateY(-3px);
}

.cat-ico {
  width: 40px;
  height: 40px;
  border-radius: 10px;
}

.sec .cat p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.6;
}

.cat strong {
  display: block;
  color: #fff;
  font-size: 14px;
}

.bonus {
  padding: clamp(20px, 3vw, 32px);
  border: 1px solid rgba(243, 181, 63, 0.22);
  border-radius: var(--r-lg);
  background:
    radial-gradient(420px 240px at 0% 0%, rgba(243, 181, 63, 0.14), transparent 70%),
    radial-gradient(420px 260px at 100% 100%, rgba(62, 227, 160, 0.12), transparent 70%),
    var(--grad-card);
  box-shadow: var(--shadow);
}

.bonus-figs {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 12px;
  margin: 0 0 22px;
  padding: 0;
  list-style: none;
}

.bonus-figs li {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-top: 3px solid var(--emerald);
  border-radius: var(--r);
  background: rgba(5, 14, 17, 0.45);
}

.bonus-figs li:first-child {
  border-top-color: var(--gold);
}

.bonus-figs strong {
  font-family: var(--f-display);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--gold);
}

.bonus-figs span {
  color: var(--dim);
  font-size: 12.5px;
}

.bonus-text {
  columns: 2 300px;
  column-gap: 28px;
}

.sec .bonus-text p {
  margin: 0 0 12px;
  break-inside: avoid;
}

.table-wrap {
  margin: 20px 0 0;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
  overflow-x: auto;
}

.table {
  width: 100%;
  min-width: 460px;
  border-collapse: collapse;
  font-size: 14px;
}

.table th,
.table td {
  padding: 13px 18px;
  text-align: left;
  vertical-align: middle;
  border-bottom: 1px solid var(--line);
}

.table thead th {
  background: var(--night);
  color: #fff;
  font-family: var(--f-display);
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.02em;
  border-bottom: 2px solid var(--emerald);
}

.table thead th .ico {
  width: 16px;
  height: 16px;
  margin-right: 8px;
  vertical-align: -3px;
  color: var(--mint);
}

.table tbody th {
  color: #fff;
  font-weight: 700;
}

.table tbody td {
  color: var(--muted);
}

.table tbody tr:nth-child(even) {
  background: rgba(255, 255, 255, 0.02);
}

.table tbody tr:last-child th,
.table tbody tr:last-child td {
  border-bottom: 0;
}

.table tbody tr:hover {
  background: rgba(62, 227, 160, 0.05);
}

.table--compare td,
.table--compare thead th:not(:first-child) {
  text-align: center;
}

.table--compare thead th:nth-child(2) {
  color: var(--gold);
}

.table--compare td:nth-child(2) {
  background: rgba(62, 227, 160, 0.05);
}

.mark {
  display: inline-grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: 8px;
  font-size: 0;
  vertical-align: middle;
}

.mark::before {
  content: '';
  width: 15px;
  height: 15px;
  background: currentColor;
  -webkit-mask: var(--m) center / contain no-repeat;
  mask: var(--m) center / contain no-repeat;
}

.mark-yes {
  --m: var(--check);
  color: var(--mint);
  background: rgba(62, 227, 160, 0.12);
}

.mark-no {
  --m: var(--x);
  color: #ff7b72;
  background: rgba(255, 123, 114, 0.1);
}

.mark-part {
  display: inline-block;
  padding: 3px 10px;
  border-radius: var(--r-btn);
  background: rgba(243, 181, 63, 0.14);
  color: var(--gold);
  font-size: 12.5px;
  font-weight: 800;
}

.cta-band {
  overflow: hidden;
  border: 1px solid rgba(62, 227, 160, 0.35);
  border-radius: var(--r-lg);
  background:
    linear-gradient(90deg, rgba(5, 14, 17, 0.3), rgba(5, 14, 17, 0.9) 30%, rgba(5, 14, 17, 0.9) 70%, rgba(5, 14, 17, 0.3)),
    url('../images/content/hero.webp') center / cover no-repeat,
    var(--night);
  box-shadow: var(--shadow);
}

.cta-inner {
  max-width: 640px;
  margin: 0 auto;
  padding: clamp(34px, 5vw, 56px) 24px;
  text-align: center;
}

.cta-inner h2 {
  margin: 0;
  font-family: var(--f-display);
  font-size: clamp(20px, 2.2vw, 28px);
  line-height: 1.3;
  color: #fff;
}

.sec .cta-inner p {
  margin: 14px 0 24px;
  color: #cfe3dc;
}

.faq {
  display: grid;
  gap: 10px;
}

.faq-item {
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: var(--surface);
  transition:
    border-color 0.2s ease,
    background 0.2s ease;
}

.faq-item[open] {
  border-color: rgba(62, 227, 160, 0.35);
  background: var(--surface-2);
}

.faq-item summary {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  list-style: none;
  cursor: pointer;
}

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

.sec .faq-item h3 {
  flex: 1 1 auto;
  margin: 0;
  font-family: var(--f-body);
  font-size: 15px;
  font-weight: 800;
}

.faq-ico {
  position: relative;
  flex: 0 0 auto;
  width: 30px;
  height: 30px;
  border-radius: 8px;
  background: rgba(62, 227, 160, 0.1);
  transition: background 0.2s ease;
}

.faq-ico::before,
.faq-ico::after {
  content: '';
  position: absolute;
  left: 50%;
  top: 50%;
  width: 12px;
  height: 2px;
  margin: -1px 0 0 -6px;
  border-radius: 2px;
  background: var(--mint);
}

.faq-ico::after {
  transform: rotate(90deg);
  transition: transform 0.25s ease;
}

.faq-item[open] .faq-ico {
  background: var(--gold);
}

.faq-item[open] .faq-ico::before,
.faq-item[open] .faq-ico::after {
  background: var(--night);
}

.faq-item[open] .faq-ico::after {
  transform: rotate(0);
}

.faq-a {
  padding: 0 20px 18px;
}

.sec .faq-a p {
  margin: 0;
  padding-top: 14px;
  border-top: 1px dashed var(--line-2);
}

.options {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin: 22px 0;
}

.option {
  position: relative;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--grad-card);
  overflow: hidden;
}

.option::after {
  content: '';
  position: absolute;
  right: -30px;
  bottom: -30px;
  width: 110px;
  height: 110px;
  border-radius: 50%;
  background: radial-gradient(closest-side, rgba(62, 227, 160, 0.22), transparent);
}

.option-ico {
  width: 26px;
  height: 26px;
  color: var(--mint);
}

.option:nth-child(2) .option-ico {
  color: var(--gold);
}

.sec .option-t {
  margin: 12px 0 0;
  font-family: var(--f-display);
  font-size: 20px;
  font-weight: 700;
  line-height: 1.2;
  color: #fff;
}

.sec .option-d {
  margin: 4px 0 0;
  color: var(--dim);
  font-size: 13px;
}

.guide {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(220px, 0.6fr);
  gap: 30px;
  align-items: start;
  margin-top: 22px;
}

.guide-steps {
  display: grid;
  gap: 18px;
}

.guide-block {
  padding: 24px 24px 22px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}

.sec .guide-block h3 {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
  font-size: 17px;
}

.h3-ico {
  width: 38px;
  height: 38px;
  border-radius: 10px;
}

.steps--big li {
  padding-bottom: 20px;
}

.sec .note {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  margin-bottom: 0;
  padding: 12px 16px;
  border: 1px solid rgba(243, 181, 63, 0.25);
  border-radius: var(--r);
  background: rgba(243, 181, 63, 0.07);
  color: #f3dcae;
}

.note .ico {
  margin-top: 3px;
  color: var(--gold);
}

.guide-block .btn {
  margin-top: 4px;
}

.guide-visual {
  position: sticky;
  top: calc(var(--header-h) + 22px);
}

.guide-visual img {
  margin-inline: auto;
}

.safety {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.safety-card {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--grad-card);
  box-shadow: var(--shadow-sm);
}

.safety-card--warn {
  border-color: rgba(243, 181, 63, 0.3);
  background:
    radial-gradient(320px 200px at 100% 0%, rgba(243, 181, 63, 0.12), transparent 70%),
    var(--grad-card);
}

.safety-ico {
  width: 50px;
  height: 50px;
  border-radius: 12px;
}

.safety-card--warn .safety-ico::before {
  background: var(--gold);
}

.sec .safety-card p {
  margin: 16px 0 0;
}

.fixes {
  display: grid;
  gap: 12px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.fix {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-left: 4px solid var(--gold);
  border-radius: var(--r);
  background: var(--surface);
  transition: transform 0.2s ease;
}

.fix:hover {
  transform: translateX(4px);
}

.fix-ico {
  width: 22px;
  height: 22px;
  margin-top: 2px;
  color: var(--gold);
}

.sec .fix p {
  margin: 0;
}

.fix strong {
  color: #fff;
}

.site-footer {
  position: relative;
  background: var(--night);
  color: var(--dim);
  font-size: 13.5px;
}

.site-footer::before {
  content: '';
  position: absolute;
  inset: 0 0 auto;
  height: 2px;
  background: var(--grad);
}

.footer-top {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) repeat(3, minmax(0, 1fr));
  gap: 32px;
  padding: 52px 0 36px;
}

.footer-logo {
  display: inline-block;
  width: 136px;
}

.footer-brand p {
  max-width: 40ch;
  margin: 14px 0 0;
}

.footer-h {
  margin: 0 0 12px;
  color: #fff;
  font-family: var(--f-display);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.footer-col ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer-col li + li {
  margin-top: 6px;
}

.footer-col a {
  color: var(--muted);
  font-weight: 600;
}

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

.social {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.footer-col .social li + li {
  margin-top: 0;
}

.social-ico {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line-2);
  border-radius: 10px;
}

.social-ico img {
  width: 22px;
  height: 22px;
}

.footer-logos {
  display: grid;
  justify-items: center;
  gap: 26px;
  padding: 32px 0;
  border-top: 1px solid var(--line);
  text-align: center;
}

.logo-group {
  display: grid;
  justify-items: center;
  gap: 14px;
}

.logo-h {
  margin: 0;
  color: #fff;
  font-size: 11.5px;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.logo-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 16px 30px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.logo-row--rg img {
  width: auto;
  height: 24px;
}

.logo-row--pay img {
  width: auto;
  height: 20px;
}

.logo-row--pay img[alt='Apple Pay'] {
  height: 36px;
}

.logo-row--pay img[alt='Mastercard'] {
  height: 25px;
}

.logo-row--pay img[alt='Bitcoin'] {
  height: 24px;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 16px 40px;
  padding: 24px 0 30px;
  border-top: 1px solid var(--line);
}

.footer-disclaimer {
  max-width: 88ch;
  margin: 0;
  font-size: 12.5px;
  line-height: 1.7;
}

.copy {
  margin: 0;
  color: var(--muted);
  font-size: 12.5px;
  font-weight: 700;
  white-space: nowrap;
}

.to-top {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 900;
  width: 46px;
  height: 46px;
  border: 0;
  border-radius: var(--r-btn);
  background: var(--grad-gold);
  box-shadow: 0 12px 26px -8px rgba(224, 149, 29, 0.7);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(14px);
  transition:
    opacity 0.25s ease,
    transform 0.25s ease,
    visibility 0.25s;
}

.to-top::before {
  content: '';
  position: absolute;
  inset: 13px;
  background: var(--night);
  -webkit-mask: var(--up) center / contain no-repeat;
  mask: var(--up) center / contain no-repeat;
}

.to-top.is-shown {
  opacity: 1;
  visibility: visible;
  transform: none;
}

@media (min-width: 1440px) {
  :root {
    --container: 1400px;
  }

  .layout {
    grid-template-columns: 250px minmax(0, 1fr) 260px;
  }

  .rail {
    display: block;
  }
}

@media (min-width: 1800px) {
  :root {
    --container: 1600px;
    --header-h: 74px;
  }

  .layout {
    grid-template-columns: 280px minmax(0, 1fr) 300px;
    gap: 56px;
  }

  .hero-copy {
    max-width: 860px;
  }

  .sec {
    margin-bottom: 76px;
  }
}

@media (max-width: 1080px) {
  .hero::before {
    background:
      radial-gradient(ellipse 70% 80% at 50% 55%, rgba(5, 14, 17, 0.85), rgba(5, 14, 17, 0.45) 75%, transparent),
      linear-gradient(180deg, rgba(5, 14, 17, 0.5), transparent 22%);
  }

  .layout {
    grid-template-columns: minmax(0, 1fr);
    gap: 24px;
    padding-top: 28px;
  }

  .toc {
    position: static;
    max-height: none;
  }

  .toc-head {
    cursor: pointer;
    border-bottom: 0;
  }

  .toc.is-open .toc-head {
    border-bottom: 1px solid var(--line);
  }

  .toc-chev {
    display: block;
  }

  .toc.is-open .toc-chev {
    transform: rotate(-135deg) translate(-3px, -1px);
  }

  .toc-list,
  .toc-progress {
    display: none;
  }

  .toc.is-open .toc-list {
    display: block;
  }

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

  .guide-visual {
    position: static;
    width: 100%;
    max-width: 420px;
    margin-inline: auto;
  }
}

@media (max-width: 960px) {
  .split {
    grid-template-columns: minmax(0, 1fr);
  }

  .media-glow {
    width: 100%;
    max-width: 420px;
    margin-inline: auto;
  }

  .footer-top {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

@media (max-width: 760px) {
  :root {
    --header-h: 62px;
  }

  .brand {
    width: 108px;
  }

  .hero::before {
    background: linear-gradient(180deg, rgba(5, 14, 17, 0.45) 0, transparent 90px, transparent 50vw, rgba(5, 14, 17, 0.8) 80vw, var(--night) 112vw);
  }

  .hero-bg img {
    -webkit-mask-image: none;
    mask-image: none;
  }

  .hero-inner {
    min-height: 0;
    padding: 12px 0 26px;
  }

  .hero-date {
    display: none;
  }

  .hero-copy {
    margin: 0;
    padding: calc(68vw - 10px) 0 0;
    text-align: left;
  }

  .hero-actions,
  .hero-stats {
    justify-content: flex-start;
  }

  .hero-actions .btn {
    flex: 1 1 100%;
  }

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

  .hero-stats li {
    flex-direction: column;
    gap: 0;
  }

  .sec {
    margin-bottom: 48px;
  }

  .features,
  .platforms,
  .safety {
    grid-template-columns: minmax(0, 1fr);
  }

  .options {
    grid-template-columns: minmax(0, 1fr);
    gap: 10px;
  }

  .option {
    display: grid;
    grid-template-columns: auto 1fr;
    column-gap: 14px;
    align-items: center;
    padding: 16px 18px;
  }

  .option-ico {
    grid-row: span 2;
  }

  .sec .option-t {
    margin: 0;
    font-size: 17px;
  }

  .sec .option-d {
    margin: 0;
  }

  .quick {
    grid-template-columns: minmax(0, 1fr);
    padding: 22px 18px;
  }

  .quick-phone {
    order: -1;
  }

  .quick-phone img {
    max-width: 180px;
  }

  .quick .btn {
    width: 100%;
  }

  .guide-block {
    padding: 20px 16px;
  }

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

  .cat,
  .cat:nth-child(n + 4) {
    grid-column: auto;
  }

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

  .bonus-figs strong {
    font-size: 15px;
  }

  .table {
    min-width: 0;
    font-size: 13px;
  }

  .table th,
  .table td {
    padding: 11px 12px;
  }

  .table thead th {
    font-size: 11px;
  }

  .faq-item summary {
    padding: 14px 16px;
  }

  .faq-a {
    padding: 0 16px 16px;
  }

  .footer-top {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 28px 20px;
    padding-top: 40px;
  }

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

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

  .logo-row {
    gap: 14px 22px;
  }

  .logo-row--rg img {
    height: 22px;
  }

  .logo-row--pay img {
    height: 18px;
  }

  .to-top {
    right: 14px;
    bottom: 14px;
  }
}

@media (max-width: 420px) {
  .header-inner .btn .ico {
    display: none;
  }

  .table th,
  .table td {
    padding: 10px 9px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}

@media print {
  .site-header,
  .toc-col,
  .rail,
  .to-top,
  .hero-bg {
    display: none;
  }

  body,
  .hero {
    background: #fff;
    color: #000;
  }
}