/* Бурмалда VPN — минимализм. Светлая тема по умолчанию, тёмная — по настройке устройства.
   Мобильные стили — базовые, планшет и компьютер — через min-width. */
:root {
  --bg: #f5f4f0;
  --surface: #ffffff;
  --ink: #0e0e0e;
  --ink-2: #2a2a28;
  --muted: #6e6c66;
  --line: #e4e2dc;
  --accent: #c6f432;
  --on-accent: #0e0e0e;
  --on-ink: #f5f4f0;
  --radius: 18px;
  --max: 1160px;
  --pad: 20px;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0c0c0c;
    --surface: #151515;
    --ink: #f2f1ec;
    --ink-2: #d8d6d0;
    --muted: #9a988f;
    --line: #262626;
    --on-ink: #0c0c0c;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 17px/1.55 ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: underline; text-decoration-color: var(--line); text-underline-offset: 3px; }
a:hover { text-decoration-color: currentColor; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 var(--pad); }
.muted { color: var(--muted); }
.center { text-align: center; }
.dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 30%, transparent); }

/* ---------- Шапка ---------- */
.header { position: sticky; top: 0; z-index: 20; background: color-mix(in srgb, var(--bg) 86%, transparent); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); border-bottom: 1px solid var(--line); }
.header .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; gap: 16px; }
.logo { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font-weight: 700; letter-spacing: -0.02em; font-size: 18px; white-space: nowrap; }
.logo img { width: 30px; height: 30px; }
.logo .tag { color: var(--muted); font-weight: 500; }
.nav { display: none; gap: 28px; }
.nav a { text-decoration: none; color: var(--muted); font-size: 15px; }
.nav a:hover { color: var(--ink); }
.header .header-cta { display: none; }

.menu-toggle { display: none; }
.menu-btn { display: grid; place-items: center; width: 40px; height: 40px; border-radius: 999px; border: 1px solid var(--line); cursor: pointer; }
.menu-btn span, .menu-btn span::before, .menu-btn span::after { display: block; width: 16px; height: 1.5px; background: var(--ink); position: relative; content: ""; }
.menu-btn span::before { position: absolute; top: -5px; }
.menu-btn span::after { position: absolute; top: 5px; }
.mobile-menu { display: none; padding: 6px var(--pad) 20px; border-top: 1px solid var(--line); }
.mobile-menu a { display: block; padding: 14px 0; text-decoration: none; border-bottom: 1px solid var(--line); font-size: 18px; }
.mobile-menu .btn { margin-top: 16px; width: 100%; border-bottom: 0; }
.menu-toggle:checked ~ .mobile-menu { display: block; }

/* ---------- Кнопки ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 50px; padding: 12px 24px; border-radius: 999px; border: 1px solid var(--ink);
  background: var(--ink); color: var(--on-ink); font: inherit; font-weight: 600; font-size: 16px;
  text-decoration: none; cursor: pointer; transition: transform 0.15s ease, opacity 0.15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: none; }
.btn[disabled], .btn.is-disabled { opacity: 0.35; cursor: not-allowed; transform: none; }
.btn-sm { min-height: 40px; padding: 8px 18px; font-size: 15px; }
.btn-ghost, .btn-stars { background: transparent; color: var(--ink); border-color: var(--line); }
.btn-ghost:hover, .btn-stars:hover { border-color: var(--ink); }
.btn-xl { min-height: 64px; padding: 16px 28px; font-size: 18px; }
.btn-xl:has(.price-tag) { justify-content: space-between; }
.btn-xl .price-tag { font-weight: 500; opacity: 0.7; }
.btn-xl .qr-ico { display: inline-flex; align-items: center; gap: 12px; }
.btn-xl .qr-ico::before { content: ""; width: 20px; height: 20px; border-radius: 4px; background:
  conic-gradient(var(--accent) 0 25%, transparent 0 50%, var(--accent) 0 75%, transparent 0) 0 0 / 10px 10px; }
.btn-block { width: 100%; }
.link-btn { background: none; border: 0; color: var(--muted); font: inherit; font-size: 15px; cursor: pointer; padding: 8px; text-decoration: underline; text-underline-offset: 3px; }
.link-btn:hover { color: var(--ink); }
.link-btn[disabled] { opacity: 0.4; cursor: not-allowed; }

.pay-actions { display: flex; flex-direction: column; gap: 10px; width: 100%; max-width: 460px; }
.pay-actions .sub { color: var(--muted); font-size: 14px; padding-left: 4px; }
.divider { display: flex; align-items: center; gap: 12px; color: var(--muted); font-size: 13px; margin: 4px 0; }
.divider::before, .divider::after { content: ""; flex: 1; height: 1px; background: var(--line); }

/* ---------- Первый экран ---------- */
.hero { padding: 48px 0 56px; }
.hero-grid { display: grid; gap: 44px; align-items: end; }
.eyebrow { display: inline-flex; align-items: center; gap: 10px; font-size: 14px; color: var(--muted); }
.hero h1 { font-size: clamp(42px, 11vw, 96px); line-height: 0.98; letter-spacing: -0.045em; font-weight: 700; margin: 20px 0 22px; }
.hero h1 em { font-style: normal; color: var(--muted); }
.hero .lead { font-size: clamp(18px, 2.4vw, 21px); color: var(--ink-2); max-width: 520px; margin: 0 0 32px; }
.facts { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 26px; }
.facts span { padding: 6px 12px; border-radius: 999px; border: 1px solid var(--line); font-size: 14px; color: var(--muted); }

/* Виджет «Подключено» */
.widget { background: var(--surface); border: 1px solid var(--line); border-radius: 28px; padding: 22px; max-width: 420px; width: 100%; justify-self: end; }
.widget-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.widget-title { font-size: 14px; color: var(--muted); }
.widget-status { font-size: 34px; font-weight: 700; letter-spacing: -0.03em; margin: 26px 0 4px; }
.widget-sub { color: var(--muted); font-size: 15px; }
.switch { width: 58px; height: 34px; border-radius: 999px; background: var(--ink); position: relative; flex: none; }
.switch::after { content: ""; position: absolute; top: 4px; right: 4px; width: 26px; height: 26px; border-radius: 50%; background: var(--accent); }
.widget-list { margin-top: 26px; border-top: 1px solid var(--line); }
.widget-list div { display: flex; justify-content: space-between; padding: 12px 0; border-bottom: 1px solid var(--line); font-size: 15px; }
.widget-list div span:last-child { color: var(--muted); font-variant-numeric: tabular-nums; }

/* ---------- Секции ---------- */
section { padding: 64px 0; border-top: 1px solid var(--line); }
.section-head { display: grid; gap: 10px; margin-bottom: 36px; }
.section-label { font-size: 14px; color: var(--muted); }
.section-title { font-size: clamp(30px, 6vw, 56px); line-height: 1.02; letter-spacing: -0.035em; font-weight: 700; margin: 0; }
.section-sub { color: var(--muted); margin: 0; max-width: 560px; }

/* Возможности — ряды с тонкими линиями */
.features { display: grid; grid-template-columns: 1fr; border-top: 1px solid var(--line); }
.feature { padding: 22px 0; border-bottom: 1px solid var(--line); display: grid; grid-template-columns: 44px 1fr; gap: 4px 14px; }
.feature .n { font-size: 14px; color: var(--muted); font-variant-numeric: tabular-nums; padding-top: 3px; }
.feature h3 { margin: 0; font-size: 20px; letter-spacing: -0.01em; }
.feature p { grid-column: 2; margin: 0; color: var(--muted); font-size: 16px; }

/* Шаги */
.steps { display: grid; gap: 14px; }
.step { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.step .num { font-size: 48px; font-weight: 700; letter-spacing: -0.04em; line-height: 1; }
.step h3 { margin: 18px 0 6px; font-size: 20px; }
.step p { margin: 0; color: var(--muted); font-size: 16px; }

/* Цена */
.price-card { background: var(--surface); border: 1px solid var(--line); border-radius: 28px; padding: 26px 22px; display: grid; gap: 28px; }
.price { font-size: clamp(64px, 16vw, 120px); font-weight: 700; letter-spacing: -0.05em; line-height: 0.9; }
.price small { font-size: 18px; font-weight: 500; letter-spacing: 0; color: var(--muted); }
.price-list { list-style: none; padding: 0; margin: 0; border-top: 1px solid var(--line); }
.price-list li { padding: 12px 0; border-bottom: 1px solid var(--line); display: flex; gap: 10px; align-items: center; }
.price-list li::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--accent); flex: none; }
.payments { color: var(--muted); font-size: 13px; margin-top: 4px; }

/* FAQ */
.faq { border-top: 1px solid var(--line); }
details { border-bottom: 1px solid var(--line); }
summary { cursor: pointer; list-style: none; padding: 22px 40px 22px 0; font-size: 19px; font-weight: 600; letter-spacing: -0.01em; position: relative; }
summary::-webkit-details-marker { display: none; }
summary::after { content: ""; position: absolute; right: 6px; top: 50%; width: 12px; height: 12px; border-right: 1.5px solid var(--ink); border-bottom: 1.5px solid var(--ink); transform: translateY(-75%) rotate(45deg); transition: transform 0.2s; }
details[open] summary::after { transform: translateY(-25%) rotate(-135deg); }
details p { margin: 0 0 22px; color: var(--muted); max-width: 760px; }

/* Финальный призыв */
.cta-band { background: var(--ink); color: var(--on-ink); border-radius: 32px; padding: 40px 24px; display: grid; gap: 26px; }
.cta-band .section-title { color: var(--on-ink); }
.cta-band .muted { color: color-mix(in srgb, var(--on-ink) 65%, transparent); margin: 0; }
.cta-band .btn { background: var(--accent); color: var(--on-accent); border-color: var(--accent); }
.cta-band .btn-xl .qr-ico::before { background:
  conic-gradient(var(--on-accent) 0 25%, transparent 0 50%, var(--on-accent) 0 75%, transparent 0) 0 0 / 10px 10px; }
.cta-band .btn-stars { background: transparent; color: var(--on-ink); border-color: color-mix(in srgb, var(--on-ink) 30%, transparent); }

/* Карточки (контакты) */
.grid { display: grid; gap: 12px; grid-template-columns: 1fr; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.card h3 { margin: 10px 0 4px; font-size: 18px; }
.card p { margin: 0; color: var(--muted); font-size: 15px; }
.icon { font-size: 22px; }
.badge { display: inline-flex; align-items: center; gap: 8px; padding: 6px 12px; border-radius: 999px; border: 1px solid var(--line); font-size: 14px; color: var(--muted); }

/* ---------- Страница оплаты ---------- */
.pay-page { padding: 28px 0 64px; min-height: calc(100vh - 64px); }
.pay-card { max-width: 480px; margin: 0 auto; background: var(--surface); border: 1px solid var(--line); border-radius: 28px; padding: 26px 20px; }
.pay-card h1 { font-size: 26px; letter-spacing: -0.03em; margin: 0 0 4px; }
.pay-plan { color: var(--muted); font-size: 15px; }
.pay-price { font-size: 64px; font-weight: 700; letter-spacing: -0.05em; line-height: 1; margin: 18px 0 6px; }
.pay-price small { font-size: 17px; font-weight: 500; color: var(--muted); letter-spacing: 0; }
.perks { list-style: none; padding: 0; margin: 18px 0 20px; border-top: 1px solid var(--line); }
.perks li { padding: 10px 0; border-bottom: 1px solid var(--line); font-size: 15px; display: flex; gap: 10px; align-items: center; }
.perks li::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--accent); flex: none; }
.consent { display: flex; gap: 12px; align-items: flex-start; padding: 14px; border-radius: 16px; border: 1px solid var(--line); font-size: 14px; color: var(--ink-2); cursor: pointer; margin-bottom: 14px; }
.consent:has(input:checked) { border-color: var(--ink); }
.consent input { width: 22px; height: 22px; margin: 0; accent-color: var(--ink); flex: none; }
.field { width: 100%; min-height: 50px; padding: 12px 16px; border-radius: 14px; border: 1px solid var(--line); background: var(--bg); color: var(--ink); font: inherit; margin-bottom: 12px; }
.qr-box { text-align: center; }
.qr-box img { width: 240px; height: 240px; margin: 18px auto; background: #fff; padding: 12px; border-radius: 20px; border: 1px solid var(--line); image-rendering: pixelated; }
.waiting { display: inline-flex; align-items: center; gap: 10px; color: var(--muted); font-size: 14px; margin-top: 6px; }
.spinner { width: 16px; height: 16px; border-radius: 50%; border: 2px solid var(--line); border-top-color: var(--ink); animation: spin 0.9s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.result-icon { width: 64px; height: 64px; border-radius: 50%; display: grid; place-items: center; margin: 4px auto 16px; font-size: 28px; background: var(--accent); color: var(--on-accent); }
.result-icon.err { background: transparent; border: 1.5px solid var(--ink); color: var(--ink); }
.note { font-size: 13px; color: var(--muted); }
.alert { padding: 12px 14px; border-radius: 14px; border: 1px dashed var(--muted); font-size: 14px; color: var(--ink-2); margin-bottom: 14px; }
[hidden] { display: none !important; }
.only-mobile { display: block; }
.only-desktop { display: none; }

/* ---------- Личный кабинет ---------- */
.key-box { padding: 14px; border-radius: 14px; background: var(--bg); border: 1px solid var(--line); overflow-wrap: anywhere; font-size: 13px; }
.key-box code { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
.switch-btn { width: 58px; height: 34px; border-radius: 999px; border: 0; background: var(--line); position: relative; cursor: pointer; flex: none; transition: background 0.2s; }
.switch-btn::after { content: ""; position: absolute; top: 4px; left: 4px; width: 26px; height: 26px; border-radius: 50%; background: var(--surface); box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2); transition: transform 0.2s, background 0.2s; }
.switch-btn[aria-checked="true"] { background: var(--ink); }
.switch-btn[aria-checked="true"]::after { transform: translateX(24px); background: var(--accent); }
.switch-btn[disabled] { opacity: 0.4; cursor: not-allowed; }
.count-pill { font-size: 14px; font-weight: 600; padding: 4px 12px; border-radius: 999px; background: var(--bg); border: 1px solid var(--line); white-space: nowrap; }
.count-pill.full { background: var(--accent); border-color: var(--accent); color: #0e0e0e; }
.device-list { list-style: none; padding: 0; margin: 14px 0 6px; border-top: 1px solid var(--line); }
.device-list li { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--line); }
.device-list li.empty { color: var(--muted); font-size: 15px; }
.device-name { font-weight: 600; font-size: 16px; overflow-wrap: anywhere; }
.device-meta { font-size: 13px; color: var(--muted); margin-top: 2px; }

/* ---------- Виджет поддержки ---------- */
.support-fab {
  position: fixed; right: max(16px, env(safe-area-inset-right)); bottom: max(16px, env(safe-area-inset-bottom)); z-index: 50;
  width: 58px; height: 58px; border-radius: 50%; border: 0; cursor: pointer;
  background: var(--ink); color: var(--on-ink); display: grid; place-items: center;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.22); transition: transform 0.15s ease;
}
.support-fab::after { content: ""; position: absolute; top: 4px; right: 4px; width: 12px; height: 12px; border-radius: 50%; background: var(--accent); border: 2px solid var(--ink); }
.support-fab:hover { transform: scale(1.05); }
.support-fab.is-open::after { display: none; }
.support-panel {
  position: fixed; z-index: 51; right: 16px; bottom: 88px; width: min(380px, calc(100vw - 32px)); max-height: min(560px, calc(100vh - 120px));
  display: flex; flex-direction: column; background: var(--surface); color: var(--ink);
  border: 1px solid var(--line); border-radius: 22px; overflow: hidden; box-shadow: 0 24px 60px rgba(0, 0, 0, 0.2);
}
.sp-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 16px 18px; border-bottom: 1px solid var(--line); }
.sp-head b { display: block; font-size: 16px; }
.sp-head span { font-size: 13px; color: var(--muted); }
.sp-close { background: none; border: 0; font-size: 26px; line-height: 1; color: var(--muted); cursor: pointer; padding: 4px 8px; }
.sp-body { flex: 1; overflow-y: auto; padding: 14px 16px; display: flex; flex-direction: column; gap: 8px; min-height: 120px; }
.sp-msg { max-width: 86%; padding: 10px 14px; border-radius: 16px; font-size: 14.5px; line-height: 1.45; }
.sp-bot { background: var(--bg); border: 1px solid var(--line); border-bottom-left-radius: 6px; align-self: flex-start; }
.sp-me { background: var(--ink); color: var(--on-ink); border-bottom-right-radius: 6px; align-self: flex-end; }
.sp-msg a { color: inherit; }
.sp-chips { display: flex; flex-wrap: wrap; gap: 6px; padding: 0 16px 10px; }
.sp-chip { border: 1px solid var(--line); background: transparent; color: var(--ink); border-radius: 999px; padding: 7px 12px; font: inherit; font-size: 13px; cursor: pointer; }
.sp-chip:hover { border-color: var(--ink); }
.sp-form { display: flex; gap: 8px; padding: 10px 12px; border-top: 1px solid var(--line); }
.sp-form input { flex: 1; min-width: 0; min-height: 44px; border-radius: 999px; border: 1px solid var(--line); background: var(--bg); color: var(--ink); padding: 0 16px; font: inherit; font-size: 15px; }
.sp-form button { width: 44px; height: 44px; border-radius: 50%; border: 0; background: var(--ink); color: var(--on-ink); font-size: 18px; cursor: pointer; }
.sp-human { display: block; text-align: center; padding: 12px; font-size: 14px; font-weight: 600; text-decoration: none; background: var(--accent); color: var(--on-accent); }
@media (max-width: 479px) {
  .support-panel { right: 8px; left: 8px; width: auto; bottom: 84px; max-height: calc(100vh - 110px); }
}

/* ---------- Документы ---------- */
.doc { padding: 40px 0 72px; }
.doc .wrap { max-width: 820px; }
.doc h1 { font-size: clamp(32px, 7vw, 52px); letter-spacing: -0.04em; line-height: 1.05; margin: 0 0 10px; }
.doc .meta { color: var(--muted); margin-bottom: 32px; }
.doc h2 { font-size: 21px; letter-spacing: -0.01em; margin: 36px 0 10px; }
.doc p, .doc li { color: var(--ink-2); }
.doc ol, .doc ul { padding-left: 22px; }
.doc .box { background: var(--surface); border: 1px solid var(--line); border-radius: 16px; padding: 16px 20px; }

/* ---------- Подвал ---------- */
.footer { border-top: 1px solid var(--line); padding: 32px 0 48px; color: var(--muted); font-size: 14px; }
.footer .wrap { display: grid; gap: 20px; }
.footer nav { display: flex; gap: 10px 20px; flex-wrap: wrap; }
.footer a { color: var(--muted); }
.requisites { line-height: 1.75; }

/* ---------- Узкие телефоны: кнопки внутри карточек без переносов ---------- */
.btn-xl .qr-ico { white-space: nowrap; }
@media (max-width: 639px) {
  .price-card .btn, .cta-band .btn, .pay-card .btn { padding-left: 16px; padding-right: 16px; font-size: 15.5px; }
  .btn-xl .price-tag { display: none; }
  .btn-xl:has(.price-tag) { justify-content: center; }
}

/* ---------- Планшет ---------- */
@media (min-width: 640px) {
  :root { --pad: 32px; }
  .features { grid-template-columns: 1fr 1fr; column-gap: 40px; }
  .steps, .grid { grid-template-columns: repeat(2, 1fr); }
  .pay-card { padding: 34px 32px; }
  .cta-band { padding: 56px 48px; }
  .price-card { padding: 40px; }
}

/* ---------- Компьютер ---------- */
@media (min-width: 960px) {
  .nav, .header .header-cta { display: flex; }
  .menu-btn, .mobile-menu, .menu-toggle:checked ~ .mobile-menu { display: none; }
  .hero { padding: 96px 0 104px; }
  .hero-grid { grid-template-columns: 1.3fr 0.9fr; gap: 64px; }
  section { padding: 104px 0; }
  .section-head { grid-template-columns: 1fr 1fr; align-items: end; margin-bottom: 56px; }
  .features { grid-template-columns: repeat(3, 1fr); }
  .steps, .grid { grid-template-columns: repeat(3, 1fr); }
  .price-card { grid-template-columns: 1fr 1fr; align-items: center; padding: 56px; gap: 56px; }
  .cta-band { grid-template-columns: 1.2fr 1fr; align-items: center; padding: 64px; }
  .footer .wrap { grid-template-columns: 1fr auto; align-items: start; }
  .only-mobile { display: none; }
  .only-desktop { display: block; }
}