/* Витрина WUBI. Системные шрифты и встроенные SVG — без внешних ресурсов: страница
   должна грузиться и на медленных мобильных сетях. Цвета — токены ниже. */

:root {
  --sf-bg: #f6f7fb;
  --sf-surface: #ffffff;
  --sf-text: #0f1222;
  --sf-muted: #5d6478;
  --sf-border: #e4e7f0;
  --sf-accent: #5b4cf0;
  --sf-accent-2: #8b5cf6;
  --sf-accent-soft: #eeebff;
  --sf-accent-text: #ffffff;
  --sf-dark: #0b0d1f;
  --sf-dark-2: #151936;
  --sf-on-dark: #e9eaff;
  --sf-on-dark-muted: #a6abd6;
  --sf-success: #12a150;
  --sf-error-bg: #fdecec;
  --sf-error-text: #b42318;
  --sf-radius: 16px;
  --sf-radius-sm: 10px;
  --sf-shadow: 0 1px 2px rgba(15, 18, 34, .04), 0 8px 24px rgba(15, 18, 34, .06);
  --sf-shadow-lg: 0 20px 50px rgba(57, 43, 180, .18);
  --sf-gutter: clamp(16px, 5vw, 48px);
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--sf-bg);
  color: var(--sf-text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.55;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a { color: var(--sf-accent); }

/* ── Шапка ── */

.sf-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px var(--sf-gutter);
  background: rgba(255, 255, 255, .82);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--sf-border);
}

.sf-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 20px;
  color: var(--sf-text);
  text-decoration: none;
  letter-spacing: .04em;
}

.sf-logo { display: block; height: 30px; width: auto; }

.sf-nav { display: flex; align-items: center; gap: 8px; }

.sf-nav a,
.sf-link-btn {
  color: var(--sf-text);
  text-decoration: none;
  font-size: 15px;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: 999px;
  background: none;
  border: 0;
  cursor: pointer;
  font-family: inherit;
}

.sf-nav a:hover, .sf-link-btn:hover { background: var(--sf-accent-soft); }

.sf-nav a.sf-nav-accent {
  background: var(--sf-text);
  color: #fff;
}

.sf-nav a.sf-nav-accent:hover { background: var(--sf-accent); }

.sf-logout-form { margin: 0; }

/* В Telegram Mini App (отметка `tg_webapp` в сессии) шапки сайта и «Выйти» нет: окно
   закрывает сам Telegram, а «Выйти» тут же вернул бы вход по initData. */
.sf-tg .sf-header { display: none; }

.sf-test-banner {
  background: repeating-linear-gradient(45deg, #fff4d6, #fff4d6 12px, #ffeeba 12px, #ffeeba 24px);
  color: #7a4b00;
  text-align: center;
  font-size: 14px;
  font-weight: 600;
  padding: 8px var(--sf-gutter);
  border-bottom: 1px solid #f3d27a;
}

/* ── Основа страниц ── */

.sf-main {
  flex: 1;
  width: 100%;
  max-width: 760px;
  margin: 0 auto;
  padding: 40px var(--sf-gutter) 64px;
}

.sf-h1 {
  font-size: clamp(26px, 4vw, 34px);
  line-height: 1.2;
  letter-spacing: -.02em;
  margin: 0 0 16px;
}

.sf-h2 {
  font-size: clamp(22px, 3vw, 28px);
  line-height: 1.25;
  letter-spacing: -.01em;
  margin: 0 0 12px;
}

.sf-hint { color: var(--sf-muted); font-size: 14px; margin: 12px 0 0; }

.sf-error {
  background: var(--sf-error-bg);
  color: var(--sf-error-text);
  border-radius: var(--sf-radius-sm);
  padding: 10px 14px;
  font-size: 14px;
  margin: 0 0 12px;
}

.sf-card {
  background: var(--sf-surface);
  border: 1px solid var(--sf-border);
  border-radius: var(--sf-radius);
  box-shadow: var(--sf-shadow);
  padding: 24px;
  margin: 0 0 16px;
}

/* ── Кнопки ── */

.sf-btn,
.sf-btn-small {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 0;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--sf-accent), var(--sf-accent-2));
  color: var(--sf-accent-text);
  font: inherit;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: transform .12s ease, box-shadow .12s ease, filter .12s ease;
  box-shadow: 0 6px 16px rgba(91, 76, 240, .28);
}

.sf-btn { width: 100%; padding: 14px 18px; font-size: 16px; margin-top: 8px; }
.sf-btn-small { padding: 10px 16px; font-size: 15px; }

.sf-btn:hover, .sf-btn-small:hover { transform: translateY(-1px); filter: brightness(1.05); box-shadow: 0 10px 22px rgba(91, 76, 240, .34); }

.sf-btn-accent { /* совместимость: акцент уже по умолчанию */ }
.sf-btn-link { text-decoration: none; }

.sf-btn-danger {
  background: #fff;
  color: var(--sf-error-text);
  border: 1px solid #f3c1bc;
  box-shadow: none;
}

.sf-btn-ghost {
  background: rgba(255, 255, 255, .1);
  color: var(--sf-on-dark);
  border: 1px solid rgba(255, 255, 255, .22);
  box-shadow: none;
}

.sf-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 16px; }

/* ── Формы входа/регистрации ── */

.sf-form {
  max-width: 420px;
  margin: 24px auto 0;
  background: var(--sf-surface);
  border: 1px solid var(--sf-border);
  border-radius: 20px;
  box-shadow: var(--sf-shadow);
  padding: 32px 28px;
}

.sf-label { display: block; font-size: 14px; font-weight: 600; margin: 14px 0 6px; }

.sf-input {
  width: 100%;
  padding: 12px 14px;
  font: inherit;
  border: 1px solid var(--sf-border);
  border-radius: 12px;
  background: #fbfbfe;
  transition: border-color .12s, box-shadow .12s;
}

.sf-input:focus { outline: none; border-color: var(--sf-accent); box-shadow: 0 0 0 4px var(--sf-accent-soft); }

/* ── Главная: первый экран ── */

.sf-main.sf-main-wide { max-width: none; padding: 0; }

.sf-hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(900px 420px at 85% -10%, rgba(139, 92, 246, .55), transparent 60%),
    radial-gradient(700px 380px at -10% 110%, rgba(56, 120, 255, .40), transparent 60%),
    linear-gradient(160deg, var(--sf-dark), var(--sf-dark-2));
  color: var(--sf-on-dark);
  padding: clamp(56px, 9vw, 112px) var(--sf-gutter) clamp(64px, 9vw, 120px);
}

.sf-hero-inner {
  max-width: 1120px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 48px;
  align-items: center;
}

.sf-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: #cfd2ff;
  background: rgba(255, 255, 255, .08);
  border: 1px solid rgba(255, 255, 255, .14);
  padding: 6px 12px;
  border-radius: 999px;
}

.sf-eyebrow-dot { width: 8px; height: 8px; border-radius: 50%; background: #34d399; box-shadow: 0 0 0 4px rgba(52, 211, 153, .22); }

.sf-hero-title {
  color: #fff;
  font-size: clamp(34px, 5.6vw, 60px);
  line-height: 1.05;
  letter-spacing: -.03em;
  margin: 20px 0 18px;
}

.sf-hero-title span {
  background: linear-gradient(90deg, #a5b4ff, #e0b3ff);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.sf-hero-lead { font-size: clamp(16px, 1.6vw, 19px); color: var(--sf-on-dark-muted); max-width: 560px; margin: 0; }

.sf-hero .sf-actions { margin-top: 28px; }
.sf-hero .sf-btn-small { padding: 14px 22px; font-size: 16px; }

.sf-hero-badges { display: flex; flex-wrap: wrap; gap: 18px; margin-top: 28px; color: var(--sf-on-dark-muted); font-size: 14px; }
.sf-hero-badges span { display: inline-flex; align-items: center; gap: 6px; }
.sf-hero-badges svg { color: #34d399; }

/* Карточка-«устройство» справа на первом экране */
.sf-hero-card {
  background: rgba(255, 255, 255, .06);
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: 24px;
  padding: 24px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, .35);
  backdrop-filter: blur(6px);
}

.sf-hero-status { display: flex; align-items: center; justify-content: space-between; }
.sf-hero-status b { color: #fff; font-size: 18px; }
.sf-toggle { width: 52px; height: 30px; border-radius: 999px; background: linear-gradient(135deg, #34d399, #10b981); position: relative; }
.sf-toggle::after { content: ""; position: absolute; top: 3px; right: 3px; width: 24px; height: 24px; border-radius: 50%; background: #fff; }
.sf-hero-shield { display: grid; place-items: center; margin: 22px 0; }
.sf-hero-shield svg { filter: drop-shadow(0 12px 30px rgba(139, 92, 246, .5)); }
.sf-hero-meter { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.sf-hero-meter div { background: rgba(255, 255, 255, .06); border-radius: 14px; padding: 12px; }
.sf-hero-meter small { display: block; color: var(--sf-on-dark-muted); font-size: 12px; }
.sf-hero-meter strong { color: #fff; font-size: 18px; }

/* ── Секции главной ── */

.sf-section { padding: clamp(56px, 7vw, 96px) var(--sf-gutter); }
.sf-section-alt { background: var(--sf-surface); border-top: 1px solid var(--sf-border); border-bottom: 1px solid var(--sf-border); }
.sf-section-inner { max-width: 1120px; margin: 0 auto; }
.sf-section-head { text-align: center; max-width: 640px; margin: 0 auto 40px; }
.sf-section-head p { color: var(--sf-muted); margin: 0; }
.sf-kicker { display: block; color: var(--sf-accent); font-weight: 700; font-size: 13px; letter-spacing: .08em; text-transform: uppercase; margin-bottom: 8px; }

.sf-features { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.sf-feature { background: var(--sf-surface); border: 1px solid var(--sf-border); border-radius: var(--sf-radius); padding: 22px; box-shadow: var(--sf-shadow); }
.sf-feature-icon { width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; background: var(--sf-accent-soft); color: var(--sf-accent); margin-bottom: 14px; }
.sf-feature h3 { margin: 0 0 6px; font-size: 17px; }
.sf-feature p { margin: 0; color: var(--sf-muted); font-size: 15px; }

/* ── Тарифы ── */

.sf-tariff-list { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 16px; }

.sf-tariff-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 16px;
  background: var(--sf-surface);
  border: 1px solid var(--sf-border);
  border-radius: 20px;
  padding: 24px;
  box-shadow: var(--sf-shadow);
  transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease;
}

.sf-tariff-card:hover { transform: translateY(-3px); box-shadow: var(--sf-shadow-lg); border-color: #cfc9ff; }

.sf-tariff-card.sf-tariff-popular { border: 2px solid var(--sf-accent); box-shadow: var(--sf-shadow-lg); }

.sf-tariff-badge {
  position: absolute;
  top: -12px;
  left: 24px;
  background: linear-gradient(135deg, var(--sf-accent), var(--sf-accent-2));
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .04em;
  padding: 4px 10px;
  border-radius: 999px;
}

.sf-tariff-name { font-weight: 700; font-size: 18px; }
.sf-tariff-price { font-size: 36px; font-weight: 800; letter-spacing: -.02em; line-height: 1; }
.sf-tariff-price small { display: block; margin-top: 6px; font-size: 14px; font-weight: 500; color: var(--sf-muted); letter-spacing: 0; }
.sf-tariff-terms { color: var(--sf-muted); font-size: 14px; }

.sf-tariff-features { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; font-size: 15px; }
.sf-tariff-features li { display: flex; align-items: center; gap: 8px; }
.sf-tariff-features svg { flex: none; color: var(--sf-success); }

.sf-tariff-card form, .sf-tariff-card .sf-btn-small { margin-top: auto; }
.sf-tariff-card .sf-btn-small { width: 100%; padding: 12px 16px; }
.sf-tariff-card form .sf-btn-small { width: 100%; }

/* ── Шаги ── */

.sf-steps { list-style: none; counter-reset: step; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.sf-steps li { counter-increment: step; background: var(--sf-surface); border: 1px solid var(--sf-border); border-radius: var(--sf-radius); padding: 24px; box-shadow: var(--sf-shadow); color: var(--sf-muted); }
.sf-steps li::before {
  content: counter(step);
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--sf-accent), var(--sf-accent-2));
  color: #fff;
  font-weight: 700;
  margin-bottom: 14px;
}
.sf-steps li b { display: block; color: var(--sf-text); font-size: 17px; margin-bottom: 4px; }

/* ── Вопросы ── */

.sf-faq { max-width: 760px; margin: 0 auto; display: grid; gap: 10px; }
.sf-faq-item { background: var(--sf-surface); border: 1px solid var(--sf-border); border-radius: 14px; padding: 0 20px; }
.sf-faq-item summary {
  cursor: pointer;
  list-style: none;
  padding: 18px 0;
  font-weight: 600;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}
.sf-faq-item summary::-webkit-details-marker { display: none; }
.sf-faq-item summary::after { content: "+"; font-size: 22px; font-weight: 400; color: var(--sf-accent); transition: transform .15s; }
.sf-faq-item[open] summary::after { transform: rotate(45deg); }
.sf-faq-item p { margin: 0 0 18px; color: var(--sf-muted); }

/* ── Призыв внизу ── */

.sf-cta {
  max-width: 1120px;
  margin: 0 auto;
  border-radius: 28px;
  padding: clamp(32px, 5vw, 56px);
  background:
    radial-gradient(600px 300px at 100% 0%, rgba(139, 92, 246, .6), transparent 60%),
    linear-gradient(135deg, var(--sf-dark), var(--sf-dark-2));
  color: var(--sf-on-dark);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.sf-cta h2 { color: #fff; margin: 0 0 6px; }
.sf-cta p { margin: 0; color: var(--sf-on-dark-muted); }

/* ── Подвал ── */

.sf-footer {
  background: var(--sf-dark);
  color: var(--sf-on-dark-muted);
  padding: 32px var(--sf-gutter);
  font-size: 14px;
  text-align: center;
}
.sf-footer-nav { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px 24px; margin-bottom: 12px; }
.sf-footer a { color: var(--sf-on-dark); text-decoration: none; }
.sf-footer a:hover { text-decoration: underline; }
.sf-footer p { margin: 0; }

/* ── Кабинет ── */

.sf-cabinet { max-width: 760px; margin: 0 auto; }

.sf-tabs { list-style: none; margin: 0 0 24px; padding: 4px; display: flex; flex-wrap: wrap; gap: 4px; background: #eceef6; border-radius: 14px; }
.sf-tabs a { display: block; padding: 8px 14px; border-radius: 10px; color: var(--sf-muted); text-decoration: none; font-weight: 600; font-size: 14px; }
.sf-tabs a:hover { color: var(--sf-text); }
.sf-tabs a.sf-tab-active { background: var(--sf-surface); color: var(--sf-text); box-shadow: var(--sf-shadow); }

.sf-row { display: flex; justify-content: space-between; gap: 16px; padding: 10px 0; border-bottom: 1px solid var(--sf-border); }
.sf-row:last-child { border-bottom: 0; }
.sf-row-label { color: var(--sf-muted); }

.sf-link-row { display: flex; gap: 8px; align-items: stretch; margin-top: 8px; }
.sf-link-box { flex: 1; min-width: 0; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 13px; background: #f3f4fa; border: 1px solid var(--sf-border); border-radius: 10px; padding: 10px 12px; overflow-wrap: anywhere; }

.sf-stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px; }
.sf-stat-tile { background: var(--sf-surface); border: 1px solid var(--sf-border); border-radius: var(--sf-radius); padding: 18px; box-shadow: var(--sf-shadow); }
.sf-stat-label { color: var(--sf-muted); font-size: 13px; }
.sf-stat-value { font-size: 26px; font-weight: 800; letter-spacing: -.02em; margin-top: 4px; }

.sf-degraded { background: #fff8e6; color: #7a4b00; border-radius: var(--sf-radius-sm); padding: 10px 14px; font-size: 14px; }

.sf-table { width: 100%; border-collapse: collapse; background: var(--sf-surface); border: 1px solid var(--sf-border); border-radius: var(--sf-radius); overflow: hidden; font-size: 15px; }
.sf-table th, .sf-table td { padding: 12px 14px; text-align: left; border-bottom: 1px solid var(--sf-border); }
.sf-table th { background: #f6f7fb; color: var(--sf-muted); font-weight: 600; font-size: 13px; }
.sf-table tr:last-child td { border-bottom: 0; }

.sf-pager { display: flex; flex-wrap: wrap; gap: 16px; align-items: center; margin: 12px 0 0; font-size: 14px; color: var(--sf-muted); }

/* ── Кабинет: поддержка ── */

.sf-support-actions { margin: 0 0 16px; }
.sf-badge { display: inline-block; margin-left: 8px; padding: 2px 8px; border-radius: 999px; background: var(--sf-accent-soft); color: var(--sf-accent); font-size: 12px; font-weight: 700; white-space: nowrap; }
.sf-textarea { resize: vertical; min-height: 120px; }
.sf-thread { display: flex; flex-direction: column; gap: 12px; margin: 16px 0; }
.sf-msg { background: var(--sf-surface); border: 1px solid var(--sf-border); border-radius: var(--sf-radius); padding: 14px 16px; }
.sf-msg-staff { border-color: var(--sf-accent); background: #f7f6ff; }
.sf-msg-head { margin: 0 0 6px; font-size: 13px; color: var(--sf-muted); }
.sf-msg-text { overflow-wrap: anywhere; }

/* ── Юридические страницы ── */

.sf-legal { background: var(--sf-surface); border: 1px solid var(--sf-border); border-radius: var(--sf-radius); padding: clamp(20px, 4vw, 40px); box-shadow: var(--sf-shadow); }
.sf-legal h2 { font-size: 20px; margin-top: 28px; }

/* ── Телефон ── */

@media (max-width: 900px) {
  .sf-hero-inner { grid-template-columns: 1fr; }
  .sf-hero-card { display: none; }
  .sf-features { grid-template-columns: repeat(2, 1fr); }
  .sf-steps { grid-template-columns: 1fr; }
}

@media (max-width: 520px) {
  .sf-features { grid-template-columns: 1fr; }
  .sf-nav a { padding: 8px 10px; }
  .sf-form { padding: 24px 18px; }
  .sf-link-row { flex-direction: column; }
}