/* ============================================================
   РАКАБРА.RU — официальный сайт экосистемы
   Дизайн-система: фирменные цвета CMYK из CRM
   c=#00A6D6 · m=#E6328C · y=#F0B90B · k=#171a21 · green=#2FB46A
   ============================================================ */

:root {
  --c: #00A6D6;
  --m: #E6328C;
  --y: #F0B90B;
  --k: #171a21;
  --green: #2FB46A;

  --bg: #f4f6fa;
  --panel: #ffffff;
  --panel2: #f8f9fc;
  --ink: #171a21;
  --dim: #5d6470;
  --faint: #8d93a5;
  --line: #e4e6ee;
  --line2: #d5d9e4;
  --field: #ffffff;
  --code-bg: #14161c;
  --code-ink: #e6e8ee;
  --shadow: 0 8px 28px rgba(23, 26, 33, .08);
  --shadow-sm: 0 2px 10px rgba(23, 26, 33, .06);
  --hero: #12141a;
  --hero2: #191c24;
  --radius: 14px;
  --header-h: 64px;
}

html[data-theme="dark"] {
  --c: #38C5F2;
  --m: #F0569D;
  --y: #FFD24D;
  --k: #e6e8ee;
  --green: #3CC97A;

  --bg: #0e1014;
  --panel: #171a21;
  --panel2: #1c1f27;
  --ink: #e6e8ee;
  --dim: #a8aeba;
  --faint: #757c8b;
  --line: #2a2e37;
  --line2: #383d49;
  --field: #14161b;
  --code-bg: #0b0d11;
  --code-ink: #e6e8ee;
  --shadow: 0 8px 28px rgba(0, 0, 0, .45);
  --shadow-sm: 0 2px 10px rgba(0, 0, 0, .35);
  --hero: #0b0d11;
  --hero2: #14161c;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 16px); }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: 'Golos Text', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-wrap: break-word;
  -webkit-tap-highlight-color: transparent;
}

img { max-width: 100%; display: block; }
a { color: var(--c); text-decoration: none; }
a:hover { text-decoration: underline; }

::selection { background: rgba(0, 166, 214, .25); }

.container { max-width: 1120px; margin: 0 auto; padding: 0 20px; padding-left: max(20px, calc(env(safe-area-inset-left, 0px) + 20px)); padding-right: max(20px, calc(env(safe-area-inset-right, 0px) + 20px)); }
.narrow { max-width: 820px; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 90;
  height: var(--header-h);
  background: color-mix(in srgb, var(--panel) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.header-in {
  max-width: 1120px; margin: 0 auto; padding: 0 20px;
  padding-left: max(20px, calc(env(safe-area-inset-left, 0px) + 20px));
  padding-right: max(20px, calc(env(safe-area-inset-right, 0px) + 20px));
  height: 100%; display: flex; align-items: center; gap: 20px;
}
.brand { display: flex; align-items: center; gap: 10px; color: var(--ink); font-weight: 800; letter-spacing: .05em; }
.brand:hover { text-decoration: none; }
.brand .brand-name { font-size: 17px; }
.brand .brand-name span { color: var(--m); }

.main-nav { display: flex; gap: 4px; margin-left: 8px; }
.main-nav a {
  color: var(--dim); font-size: 14.5px; font-weight: 600;
  padding: 8px 12px; border-radius: 9px;
}
.main-nav a:hover { color: var(--ink); background: var(--panel2); text-decoration: none; }
.main-nav a.active { color: var(--c); }

.header-actions { margin-left: auto; display: flex; align-items: center; gap: 8px; }

.icon-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 7px;
  height: 38px; min-width: 38px; padding: 0 11px;
  background: var(--panel2); color: var(--dim);
  border: 1px solid var(--line); border-radius: 10px;
  font: inherit; font-size: 13.5px; cursor: pointer;
}
.icon-btn:hover { color: var(--ink); border-color: var(--line2); }
.icon-btn kbd {
  font: inherit; font-size: 11px; color: var(--faint);
  background: var(--panel); border: 1px solid var(--line);
  border-radius: 5px; padding: 1px 5px;
}

.burger { display: none; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 42px; padding: 0 20px; border-radius: 11px;
  font: inherit; font-size: 15px; font-weight: 700;
  cursor: pointer; border: 1.5px solid transparent;
  transition: .15s; white-space: nowrap;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primary { background: var(--c); color: #fff; box-shadow: 0 6px 18px rgba(0, 166, 214, .3); }
.btn-primary:hover { background: #0096c2; }
.btn-magenta { background: var(--m); color: #fff; box-shadow: 0 6px 18px rgba(230, 50, 140, .28); }
.btn-magenta:hover { background: #d0287b; }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--line2); }
.btn-ghost:hover { border-color: var(--c); color: var(--c); }
.btn-light { background: rgba(255, 255, 255, .1); color: #fff; border-color: rgba(255, 255, 255, .3); }
.btn-light:hover { background: rgba(255, 255, 255, .18); border-color: rgba(255, 255, 255, .5); }
.btn-sm { height: 36px; padding: 0 14px; font-size: 14px; }

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden;
  background: linear-gradient(160deg, var(--hero) 0%, var(--hero2) 60%, #1a1430 100%);
  color: #fff; padding: 84px 0 76px;
}
.hero::before, .hero::after {
  content: ""; position: absolute; border-radius: 50%; filter: blur(90px); opacity: .35; pointer-events: none;
}
.hero::before { width: 420px; height: 420px; background: var(--c); top: -160px; right: -80px; }
.hero::after { width: 340px; height: 340px; background: var(--m); bottom: -170px; left: -60px; opacity: .3; }
.hero .container { position: relative; z-index: 1; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase;
  color: var(--y); margin-bottom: 18px;
}
.eyebrow::before { content: ""; width: 26px; height: 2px; background: var(--y); }

.hero h1 { font-size: clamp(32px, 5vw, 54px); line-height: 1.12; font-weight: 800; letter-spacing: -.02em; max-width: 780px; }
.hero h1 em { font-style: normal; background: linear-gradient(120deg, var(--c), var(--m)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero p.lead { font-size: clamp(16px, 2.2vw, 19px); color: #b9bfcc; max-width: 640px; margin-top: 20px; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }

.hero-stats { display: flex; flex-wrap: wrap; gap: 34px; margin-top: 52px; }
.hero-stats .hs b { display: block; font-size: 30px; font-weight: 800; letter-spacing: -.02em; }
.hero-stats .hs span { font-size: 13px; color: #9aa1b0; }
.hero-stats .hs b i { font-style: normal; color: var(--c); }

/* ---------- Sections ---------- */
.section { padding: 72px 0; }
.section.alt { background: var(--panel); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-head { max-width: 700px; margin-bottom: 40px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.kicker {
  font-size: 12.5px; font-weight: 800; letter-spacing: .12em;
  text-transform: uppercase; color: var(--m); margin-bottom: 10px;
}
.section-head h2 { font-size: clamp(26px, 3.6vw, 36px); line-height: 1.2; font-weight: 800; letter-spacing: -.01em; }
.section-head p { color: var(--dim); margin-top: 12px; font-size: 17px; }

.grid { display: grid; gap: 18px; }
.g2 { grid-template-columns: repeat(2, 1fr); }
.g3 { grid-template-columns: repeat(3, 1fr); }
.g4 { grid-template-columns: repeat(4, 1fr); }
.split { grid-template-columns: 1.2fr 1fr; gap: 50px; align-items: center; }

/* ---------- Cards ---------- */
.card {
  background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 24px;
  box-shadow: var(--shadow-sm); transition: .18s;
}
.card:hover { border-color: var(--line2); transform: translateY(-2px); box-shadow: var(--shadow); }
.card h3 { font-size: 18px; font-weight: 700; margin-bottom: 8px; }
.card p { color: var(--dim); font-size: 14.5px; }
.card .more { display: inline-block; margin-top: 14px; font-weight: 700; font-size: 14.5px; }

.card .ico {
  width: 44px; height: 44px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 21px; margin-bottom: 16px;
  background: color-mix(in srgb, var(--c) 13%, transparent); color: var(--c);
}
.ico.mag { background: color-mix(in srgb, var(--m) 13%, transparent); color: var(--m); }
.ico.yel { background: color-mix(in srgb, var(--y) 16%, transparent); color: #b98d00; }
.ico.grn { background: color-mix(in srgb, var(--green) 14%, transparent); color: var(--green); }
html[data-theme="dark"] .ico.yel { color: var(--y); }

.product-card { position: relative; overflow: hidden; }
.product-card .tag {
  position: absolute; top: 18px; right: 18px;
  font-size: 11.5px; font-weight: 800; letter-spacing: .06em; text-transform: uppercase;
  padding: 4px 10px; border-radius: 999px;
}
.tag-live { background: color-mix(in srgb, var(--green) 15%, transparent); color: var(--green); }
.tag-soon { background: color-mix(in srgb, var(--y) 18%, transparent); color: #a07c00; }
html[data-theme="dark"] .tag-soon { color: var(--y); }
.product-card .card-ico { font-size: 34px; margin-bottom: 14px; }

/* ---------- Chips / status ---------- */
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  font-size: 13.5px; font-weight: 600; padding: 6px 13px;
  border-radius: 999px; background: var(--panel2);
  border: 1px solid var(--line); color: var(--dim);
}
.chip b { color: var(--ink); font-weight: 700; }
.chip-c { border-color: color-mix(in srgb, var(--c) 40%, var(--line)); color: var(--c); background: color-mix(in srgb, var(--c) 8%, transparent); }
.chip-m { border-color: color-mix(in srgb, var(--m) 40%, var(--line)); color: var(--m); background: color-mix(in srgb, var(--m) 8%, transparent); }
.chip-y { border-color: color-mix(in srgb, var(--y) 50%, var(--line)); color: #a07c00; background: color-mix(in srgb, var(--y) 12%, transparent); }
html[data-theme="dark"] .chip-y { color: var(--y); }
.chip-g { border-color: color-mix(in srgb, var(--green) 45%, var(--line)); color: var(--green); background: color-mix(in srgb, var(--green) 10%, transparent); }

.flow { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.flow .arrow { color: var(--faint); font-weight: 700; }

/* ---------- Steps ---------- */
.steps { counter-reset: st; display: grid; gap: 16px; }
.step {
  display: flex; gap: 16px; background: var(--panel);
  border: 1px solid var(--line); border-radius: var(--radius); padding: 20px 22px;
}
.step::before {
  counter-increment: st; content: counter(st);
  width: 34px; height: 34px; flex-shrink: 0;
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--c), var(--m));
  color: #fff; font-weight: 800; font-size: 15px;
}
.step h3 { font-size: 16.5px; font-weight: 700; margin-bottom: 4px; }
.step p { color: var(--dim); font-size: 14.5px; }

/* ---------- Feature list ---------- */
.feature-list { display: grid; gap: 10px; }
.feature-list li { list-style: none; display: flex; gap: 10px; align-items: flex-start; color: var(--dim); font-size: 15px; }
.feature-list li::before {
  content: "✓"; flex-shrink: 0; width: 22px; height: 22px; margin-top: 2px;
  border-radius: 50%; background: color-mix(in srgb, var(--green) 15%, transparent);
  color: var(--green); font-size: 13px; font-weight: 800;
  display: flex; align-items: center; justify-content: center;
}
.feature-list b { color: var(--ink); }

/* ---------- CTA band ---------- */
.cta-band {
  position: relative; overflow: hidden;
  background: linear-gradient(120deg, var(--hero) 0%, #1c1430 100%);
  color: #fff; border-radius: 20px; padding: 48px 44px;
  display: flex; flex-wrap: wrap; align-items: center; gap: 24px;
}
.cta-band::after {
  content: ""; position: absolute; width: 320px; height: 320px; border-radius: 50%;
  background: var(--c); filter: blur(100px); opacity: .3; right: -80px; top: -140px;
}
.cta-band > * { position: relative; z-index: 1; }
.cta-band h2 { font-size: clamp(22px, 3vw, 30px); font-weight: 800; flex: 1 1 340px; }
.cta-band p { color: #b9bfcc; margin-top: 8px; font-size: 15.5px; }

/* ---------- Docs layout ---------- */
.docs-shell { display: grid; grid-template-columns: 250px 1fr; gap: 44px; align-items: start; padding: 40px 0 72px; }
.docs-side { position: sticky; top: calc(var(--header-h) + 20px); }
.docs-side .side-title {
  font-size: 11.5px; font-weight: 800; letter-spacing: .1em;
  text-transform: uppercase; color: var(--faint); margin: 0 0 10px;
}
.docs-side nav { display: flex; flex-direction: column; gap: 2px; margin-bottom: 26px; }
.docs-side nav a {
  color: var(--dim); font-size: 14.5px; font-weight: 600;
  padding: 8px 12px; border-radius: 9px; border-left: 2.5px solid transparent;
}
.docs-side nav a:hover { color: var(--ink); background: var(--panel2); text-decoration: none; }
.docs-side nav a.active { color: var(--c); background: color-mix(in srgb, var(--c) 8%, transparent); border-left-color: var(--c); }

.breadcrumbs { display: flex; flex-wrap: wrap; gap: 7px; font-size: 13.5px; color: var(--faint); margin-bottom: 14px; }
.breadcrumbs a { color: var(--dim); }

.doc h1 { font-size: clamp(27px, 4vw, 38px); line-height: 1.15; font-weight: 800; letter-spacing: -.01em; margin-bottom: 14px; }
.doc .doc-lead { font-size: 17.5px; color: var(--dim); margin-bottom: 30px; }
.doc h2 { font-size: 24px; font-weight: 800; margin: 44px 0 16px; padding-top: 8px; }
.doc h3 { font-size: 18.5px; font-weight: 700; margin: 30px 0 10px; }
.doc p { margin-bottom: 14px; color: var(--dim); }
.doc p b, .doc li b { color: var(--ink); }
.doc ul, .doc ol { margin: 0 0 16px 22px; color: var(--dim); }
.doc li { margin-bottom: 7px; }
.doc .lead-chips { margin: 18px 0 26px; }

.doc-nav { display: flex; justify-content: space-between; gap: 14px; margin-top: 52px; padding-top: 24px; border-top: 1px solid var(--line); }
.doc-nav a {
  flex: 1; padding: 15px 18px; border: 1px solid var(--line); border-radius: 12px;
  background: var(--panel); color: var(--dim); font-size: 14px;
}
.doc-nav a b { display: block; color: var(--ink); font-size: 15px; margin-top: 3px; }
.doc-nav a:hover { border-color: var(--c); text-decoration: none; }
.doc-nav a.next { text-align: right; }

/* ---------- Tables ---------- */
.doc table, .table {
  width: 100%; border-collapse: collapse; margin: 8px 0 22px;
  background: var(--panel); border: 1px solid var(--line);
  border-radius: 12px; overflow: hidden; font-size: 14.5px;
}
.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.doc th, .doc td, .table th, .table td {
  padding: 11px 15px; text-align: left; border-bottom: 1px solid var(--line); vertical-align: top;
}
.doc th, .table th {
  background: var(--panel2); font-size: 12px; letter-spacing: .06em;
  text-transform: uppercase; color: var(--faint); font-weight: 700;
}
.doc tr:last-child td, .table tr:last-child td { border-bottom: none; }
.doc td { color: var(--dim); }
.doc td code, .doc p code, .doc li code, .doc h3 code {
  font-family: ui-monospace, 'JetBrains Mono', Consolas, monospace;
  font-size: .88em; background: var(--panel2);
  border: 1px solid var(--line); border-radius: 6px; padding: 1.5px 6px; color: var(--m);
}

/* ---------- Code blocks ---------- */
.code-block { position: relative; margin: 0 0 22px; }
.code-block pre {
  background: var(--code-bg); color: var(--code-ink);
  border: 1px solid var(--line2); border-radius: 12px;
  padding: 18px 20px; overflow-x: auto;
  font-family: ui-monospace, 'JetBrains Mono', Consolas, monospace;
  font-size: 13.5px; line-height: 1.65;
}
.code-block .lang {
  position: absolute; top: 10px; right: 12px;
  font-size: 11px; letter-spacing: .07em; text-transform: uppercase;
  color: #6b7280; font-weight: 700; pointer-events: none;
}
.copy-btn {
  position: absolute; top: 8px; right: 10px;
  font: inherit; font-size: 12px; font-weight: 700;
  background: #23262f; color: #a8aeba; border: 1px solid #383d49;
  border-radius: 7px; padding: 4px 10px; cursor: pointer;
}
.copy-btn:hover { color: #fff; border-color: var(--c); }
.code-block .lang + .copy-btn { right: 64px; }

/* ---------- Callouts ---------- */
.callout {
  display: flex; gap: 12px; border-radius: 12px; padding: 15px 17px;
  margin: 0 0 20px; font-size: 14.5px; border: 1px solid;
}
.callout .co-ico { flex-shrink: 0; font-weight: 800; }
.callout p { margin: 0; color: inherit; }
.callout.tip { background: color-mix(in srgb, var(--c) 8%, var(--panel)); border-color: color-mix(in srgb, var(--c) 32%, transparent); color: var(--dim); }
.callout.tip .co-ico { color: var(--c); }
.callout.warn { background: color-mix(in srgb, var(--y) 10%, var(--panel)); border-color: color-mix(in srgb, var(--y) 42%, transparent); color: var(--dim); }
.callout.warn .co-ico { color: #b98d00; }
html[data-theme="dark"] .callout.warn .co-ico { color: var(--y); }
.callout.note { background: var(--panel2); border-color: var(--line); color: var(--dim); }
.callout.note .co-ico { color: var(--faint); }

/* ---------- FAQ ---------- */
.faq-list { display: grid; gap: 12px; }
.faq-item {
  background: var(--panel); border: 1px solid var(--line);
  border-radius: 13px; overflow: hidden;
}
.faq-item summary {
  cursor: pointer; list-style: none; padding: 18px 20px;
  font-weight: 700; font-size: 16px; display: flex; gap: 14px; align-items: center;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+"; margin-left: auto; font-size: 22px; font-weight: 400;
  color: var(--c); transition: .2s; line-height: 1;
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item summary:hover { background: var(--panel2); }
.faq-body { padding: 0 20px 18px; color: var(--dim); font-size: 15px; }
.faq-body p { margin-bottom: 10px; }
.faq-body p:last-child { margin-bottom: 0; }

/* ---------- Search overlay ---------- */
.search-overlay {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(10, 12, 16, .55); backdrop-filter: blur(4px);
  display: none; padding: calc(10vh + env(safe-area-inset-top, 0px)) 20px 20px;
}
.search-overlay.open { display: block; }
.search-box {
  max-width: 640px; margin: 0 auto;
  background: var(--panel); border: 1px solid var(--line2);
  border-radius: 16px; box-shadow: 0 30px 80px rgba(0, 0, 0, .4);
  overflow: hidden;
}
.search-box input {
  width: 100%; border: none; outline: none; background: transparent;
  color: var(--ink); font: inherit; font-size: 17px;
  padding: 20px 22px; border-bottom: 1px solid var(--line);
}
.search-box input::placeholder { color: var(--faint); }
.search-results { max-height: 55vh; overflow-y: auto; padding: 8px; }
.search-hint { padding: 14px 18px; color: var(--faint); font-size: 14px; }
.search-results a {
  display: block; padding: 11px 14px; border-radius: 10px; color: var(--ink);
}
.search-results a:hover, .search-results a.sel { background: color-mix(in srgb, var(--c) 9%, transparent); text-decoration: none; }
.search-results a .sr-title { font-weight: 700; font-size: 15px; }
.search-results a .sr-title mark { background: color-mix(in srgb, var(--y) 45%, transparent); color: inherit; border-radius: 3px; padding: 0 1px; }
.search-results a .sr-path { font-size: 12.5px; color: var(--faint); margin-top: 1px; }
.search-results a .sr-snip { font-size: 13.5px; color: var(--dim); margin-top: 3px; }
.search-results a .sr-snip mark { background: color-mix(in srgb, var(--y) 40%, transparent); color: inherit; }
.search-results .sr-section {
  font-size: 11px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase;
  color: var(--faint); padding: 12px 14px 4px;
}

/* ---------- Support modal ---------- */
.support-modal {
  position: fixed; inset: 0; z-index: 300;
  background: rgba(10, 12, 16, .6); backdrop-filter: blur(5px);
  display: none; align-items: center; justify-content: center; padding: 20px;
}
.support-modal.open { display: flex; }
.support-modal-card {
  position: relative; max-width: 500px; width: 100%;
  background: var(--panel); border: 1px solid var(--line2);
  border-radius: 16px; box-shadow: 0 30px 80px rgba(0, 0, 0, .45);
  padding: 34px 32px 30px;
  max-height: calc(100vh - 48px);
  max-height: calc(100dvh - 48px);
  overflow-y: auto;
}
.support-modal-card h3 { font-size: 21px; margin-bottom: 14px; }
.support-modal-card p { color: var(--dim); font-size: 15px; line-height: 1.65; margin-bottom: 12px; }
.support-modal-close {
  position: absolute; top: 14px; right: 16px;
  width: 36px; height: 36px; border-radius: 50%;
  border: 1px solid var(--line2); background: transparent; color: var(--dim);
  font-size: 24px; line-height: 1; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
}
.support-modal-close:hover { border-color: var(--c); color: var(--c); }
.support-pay { margin-top: 20px; padding-top: 20px; border-top: 1px solid var(--line); }
.support-pay-label { font-size: 12px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; color: var(--faint); margin-bottom: 10px; }
.support-card {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  width: 100%; text-align: left;
  background: var(--panel2); border: 1px solid var(--line2);
  border-radius: 12px; padding: 16px 18px; cursor: pointer;
  font: inherit; font-size: 20px; font-weight: 700; letter-spacing: .05em; color: var(--ink);
}
.support-card:hover { border-color: var(--c); }
.support-copy-hint { color: var(--c); font-size: 18px; opacity: .8; }
.support-pay-meta { margin-top: 12px; color: var(--dim); font-size: 14px; }
.support-pay-note { margin-top: 4px; color: var(--faint); font-size: 13px; }
.header-support { white-space: nowrap; }
.footer-support {
  display: inline-flex; align-items: center; gap: 6px;
  background: none; border: none; padding: 4px 0; cursor: pointer;
  color: #9aa1b0; font: inherit; font-size: 14.5px;
}
.footer-support:hover { color: var(--c); }

/* ---------- Support toast ---------- */
.support-toast {
  position: fixed; left: 50%; bottom: calc(24px + env(safe-area-inset-bottom, 0px)); transform: translateX(-50%);
  z-index: 400; background: var(--ink); color: var(--bg);
  padding: 11px 20px; border-radius: 30px; font-size: 14px; font-weight: 600;
  box-shadow: 0 12px 30px rgba(0, 0, 0, .3);
  max-width: calc(100vw - 32px); text-align: center;
}

/* ---------- Footer ---------- */
.site-footer { background: var(--hero); color: #9aa1b0; margin-top: 72px; }
.footer-grid {
  display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 34px; padding: 54px 0 40px;
}
.site-footer .brand { color: #fff; margin-bottom: 14px; }
.footer-col h4 { color: #fff; font-size: 13px; letter-spacing: .08em; text-transform: uppercase; margin-bottom: 14px; }
.footer-col a { display: block; color: #9aa1b0; font-size: 14.5px; padding: 4px 0; }
.footer-col a:hover { color: var(--c); }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .1);
  padding: 18px 0;
  padding-bottom: calc(18px + env(safe-area-inset-bottom, 0px));
  font-size: 13px;
  display: flex; flex-wrap: wrap; gap: 10px; justify-content: space-between;
}
.footer-bottom a { color: #9aa1b0; }

/* ---------- 404 ---------- */
.err-page { min-height: calc(100vh - var(--header-h)); display: flex; align-items: center; justify-content: center; text-align: center; padding: 40px 20px; }
.err-page .err-code { font-size: clamp(72px, 16vw, 130px); font-weight: 800; line-height: 1; background: linear-gradient(120deg, var(--c), var(--m)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.err-page h1 { font-size: clamp(22px, 4vw, 30px); margin: 14px 0 10px; }
.err-page p { color: var(--dim); max-width: 460px; margin: 0 auto 26px; }

/* ---------- Utilities ---------- */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; } .mb-0 { margin-bottom: 0; }
.mt-2 { margin-top: 10px; } .mt-4 { margin-top: 20px; } .mt-6 { margin-top: 30px; } .mt-8 { margin-top: 40px; }
.muted { color: var(--dim); }
.small { font-size: 13.5px; }
.toc {
  background: var(--panel2); border: 1px solid var(--line);
  border-radius: 12px; padding: 18px 20px; margin-bottom: 30px;
}
.toc .toc-title { font-size: 12px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; color: var(--faint); margin-bottom: 8px; }
.toc a { display: block; padding: 4px 0; font-size: 14.5px; color: var(--dim); }
.toc a:hover { color: var(--c); }

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

/* Планшеты и узкие десктопы: убираем текстовые кнопки, освобождаем шапку */
@media (max-width: 1100px) {
  .header-actions .search-label { display: none; }
  .header-support { display: none; }
}

/* Планшеты: навигация уходит в бургер-меню */
@media (max-width: 980px) {
  .main-nav {
    display: none; position: absolute; top: var(--header-h); left: 0; right: 0;
    flex-direction: column; gap: 0;
    padding: 10px 16px calc(16px + env(safe-area-inset-bottom, 0px));
    padding-left: max(16px, calc(env(safe-area-inset-left, 0px) + 16px));
    padding-right: max(16px, calc(env(safe-area-inset-right, 0px) + 16px));
    background: var(--panel); border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow);
  }
  .main-nav.open { display: flex; }
  .main-nav a { padding: 13px 12px; font-size: 16px; border-bottom: 1px solid var(--line); border-radius: 0; }
  .main-nav a:last-child { border-bottom: none; }
  .burger { display: inline-flex; }

  .g4 { grid-template-columns: repeat(2, 1fr); }
  .g3 { grid-template-columns: repeat(2, 1fr); }
  .split { grid-template-columns: 1fr; gap: 26px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .docs-shell { grid-template-columns: 1fr; gap: 10px; }
  .docs-side { position: static; }
  .docs-side nav { flex-direction: row; flex-wrap: wrap; }
  .docs-side nav a { border-left: none; border: 1px solid var(--line); }
  .docs-side nav a.active { border-color: var(--c); }
}

/* Смартфоны: одна колонка, крупные тач-таргеты, компактные отступы */
@media (max-width: 760px) {
  .header-in { gap: 14px; }
  .brand { gap: 8px; }
  .brand .brand-name { font-size: 16px; }
  .icon-btn { height: 44px; min-width: 44px; }
  .header-actions .btn { height: 44px; padding: 0 14px; font-size: 14px; }
  .header-actions .btn-primary { display: none; }
  .header-actions .search-kbd { display: none; }

  .hero { padding: 56px 0 48px; }
  .hero-stats { gap: 18px; }
  .hero-stats .hs b { font-size: 24px; }
  .section { padding: 48px 0; }
  .site-footer { margin-top: 56px; }

  .g2, .g3, .g4 { grid-template-columns: 1fr; }

  .card { padding: 20px; }
  .step { padding: 16px; gap: 12px; }
  .cta-band { padding: 30px 22px; gap: 18px; }
  .callout { padding: 13px 14px; gap: 10px; }
  .toc { padding: 16px; }
  .toc a { padding: 9px 0; }
  .footer-col a { padding: 9px 0; }
  .faq-item summary { padding: 16px; font-size: 15.5px; }
  .faq-body { padding: 0 16px 16px; }

  .doc h2 { font-size: 22px; }
  .doc h3 { font-size: 17px; }
  .doc .doc-lead { font-size: 16px; margin-bottom: 24px; }
  .doc-nav { flex-direction: column; }
  .doc-nav a.next { text-align: left; }
  .doc-nav a { padding: 13px 14px; }

  .docs-side .side-title { display: none; }
  .docs-side nav a { padding: 9px 12px; font-size: 14px; }

  .search-overlay { padding: calc(6vh + env(safe-area-inset-top, 0px)) 14px 14px; }
  .search-box input { padding: 16px 18px; font-size: 16px; }
  .search-results { max-height: 62vh; }

  .support-modal { padding: 14px; }
  .support-modal-card { padding: 26px 20px 24px; }
  .support-modal-card h3 { font-size: 19px; }
  .support-modal-close { width: 40px; height: 40px; top: 12px; right: 12px; font-size: 22px; }
  .support-card { font-size: 17.5px; letter-spacing: .03em; padding: 14px; gap: 10px; }
  .support-copy-hint { font-size: 16px; }
  .support-pay-meta { font-size: 13.5px; }

  .footer-grid { grid-template-columns: 1fr; gap: 26px; padding: 40px 0 28px; }
}

/* Самые узкие экраны: прячем название бренда, кнопки на всю ширину */
@media (max-width: 400px) {
  .header-in { gap: 10px; }
  .brand-name { display: none; }
  .container { padding-left: 14px; padding-right: 14px; }
  .hero-cta .btn { width: 100%; }
  .cta-band { padding: 26px 18px; }
  .cta-band .btn { width: 100%; }
  .support-card { font-size: 16.5px; }
  .footer-bottom { justify-content: center; text-align: center; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; animation: none !important; }
}