/* ============================================================
   AstraNet Telecom — стили сайта
   Кастомизация: цветовая схема — переменные в :root ниже.
   ============================================================ */

:root {
  --primary: #0f4fd8;
  --primary-dark: #0b3bad;
  --accent: #ff8a00;
  --ink: #0e1c36;
  --text: #38455e;
  --muted: #76839e;
  --bg: #f4f7fc;
  --card: #ffffff;
  --line: #e3e9f4;
  --ok: #0e9f6e;
  --err: #e02424;
  --radius: 16px;
  --shadow: 0 10px 30px rgba(14, 28, 54, .08);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

section[id] { scroll-margin-top: 84px; }
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

.container { max-width: 1120px; margin: 0 auto; padding: 0 20px; }
.container--narrow { max-width: 860px; }

/* ---------- Кнопки ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 24px; border: 2px solid transparent; border-radius: 12px;
  font: inherit; font-weight: 600; line-height: 1.2; cursor: pointer;
  white-space: nowrap; transition: transform .2s, box-shadow .2s, background .2s, color .2s;
}
.btn:disabled { opacity: .55; cursor: wait; }
.btn--primary { background: linear-gradient(135deg, var(--primary), var(--primary-dark)); color: #fff; }
.btn--primary:hover:not(:disabled) { transform: translateY(-2px); box-shadow: 0 10px 22px rgba(15, 79, 216, .35); text-decoration: none; }
.btn--outline { border-color: var(--primary); color: var(--primary); background: transparent; }
.btn--outline:hover:not(:disabled) { background: var(--primary); color: #fff; text-decoration: none; }
.btn--ghost { border-color: rgba(255, 255, 255, .45); color: #fff; background: rgba(255, 255, 255, .08); }
.btn--ghost:hover:not(:disabled) { background: rgba(255, 255, 255, .2); text-decoration: none; }
.btn--lg { padding: 15px 30px; font-size: 17px; }
.btn--sm { padding: 8px 16px; font-size: 14px; }
.btn--block { width: 100%; }

/* ---------- Шапка ---------- */
.header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.header__inner { display: flex; align-items: center; gap: 22px; min-height: 68px; }
.logo { display: inline-flex; align-items: center; gap: 10px; font-size: 19px; font-weight: 800; color: var(--ink); }
.logo:hover { text-decoration: none; }
.logo__mark {
  display: grid; place-items: center; width: 38px; height: 38px; border-radius: 11px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff; font-size: 14px; font-weight: 800;
}
.logo__text b { color: var(--primary); }
.nav { display: flex; align-items: center; gap: 22px; margin-left: auto; }
.nav__link { color: var(--text); font-weight: 500; }
.nav__link:hover { color: var(--primary); text-decoration: none; }
.header__actions { display: flex; align-items: center; gap: 12px; }

/* Переключатель языков RU / EN / TT */
.lang-switch { display: inline-flex; padding: 3px; background: #eaf0fb; border-radius: 999px; }
.lang-switch__btn {
  border: 0; background: transparent; padding: 5px 11px; border-radius: 999px;
  font: inherit; font-size: 13px; font-weight: 700; color: var(--muted); cursor: pointer;
  transition: background .15s, color .15s;
}
.lang-switch__btn:hover { color: var(--primary); }
.lang-switch__btn.is-active { background: var(--primary); color: #fff; }

/* Бургер (мобильное меню) */
.burger { display: none; border: 0; background: transparent; padding: 8px 4px; cursor: pointer; }
.burger span { display: block; width: 22px; height: 2.5px; border-radius: 2px; background: var(--ink); margin: 4px 0; }
/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden; color: #fff;
  background: linear-gradient(160deg, #0b1740 0%, #10337f 55%, #0f4fd8 135%);
  padding: 88px 0 72px;
}
.hero::before {
  content: ""; position: absolute; inset: 0; z-index: 0;
  background:
    radial-gradient(620px 320px at 85% 15%, rgba(255, 138, 0, .28), transparent 70%),
    radial-gradient(520px 420px at 10% 90%, rgba(70, 145, 255, .35), transparent 70%);
}
.hero__inner { position: relative; z-index: 1; display: flex; align-items: center; gap: 48px; }
.hero__content { max-width: 580px; }
.badge {
  display: inline-block; padding: 7px 14px; border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, .35); background: rgba(255, 255, 255, .1);
  font-size: 13px; font-weight: 600; letter-spacing: .3px;
}
.hero__title { margin: 18px 0 14px; font-size: clamp(30px, 4.6vw, 46px); line-height: 1.15; color: #fff; }
.hero__subtitle { margin: 0 0 28px; font-size: 18px; color: rgba(255, 255, 255, .88); }
.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; }
.hero__note { margin: 20px 0 0; font-size: 14px; color: rgba(255, 255, 255, .65); }
.hero__visual { position: relative; flex: 1; min-height: 280px; }
.hero__glow { position: absolute; border-radius: 50%; filter: blur(6px); opacity: .55; }
.hero__glow--1 { width: 230px; height: 230px; right: 22%; top: -20px; background: radial-gradient(circle, rgba(255, 138, 0, .85), transparent 70%); }
.hero__glow--2 { width: 270px; height: 270px; right: -20px; bottom: -30px; background: radial-gradient(circle, rgba(80, 150, 255, .95), transparent 70%); }
.hero__card {
  position: absolute; right: 6%; top: 50%; transform: translateY(-50%);
  display: grid; gap: 4px; padding: 28px 34px; text-align: center;
  background: rgba(255, 255, 255, .12); border: 1px solid rgba(255, 255, 255, .25);
  backdrop-filter: blur(8px); border-radius: 20px;
}
.hero__card-icon { font-size: 42px; }
.hero__card-line { font-size: 27px; font-weight: 800; }
.hero__card-sub { font-size: 13px; color: rgba(255, 255, 255, .75); }

/* Полоса статистики */
.stats {
  position: relative; z-index: 1; margin-top: 64px;
  display: grid; grid-template-columns: repeat(2, 1fr);
  background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 26px 10px;
}
.stats__item { display: grid; gap: 2px; text-align: center; padding: 8px 12px; border-left: 1px solid var(--line); }
.stats__item:first-child { border-left: 0; }
.stats__value { font-size: 26px; font-weight: 800; color: var(--ink); }
.stats__label { font-size: 14px; color: var(--muted); }
/* ---------- Секции ---------- */
.section { padding: 84px 0; }
.section--alt { background: #fff; }
.section__title { margin: 0 0 12px; text-align: center; font-size: clamp(26px, 3.4vw, 34px); color: var(--ink); }
.section__title--left { text-align: left; }
.section__subtitle { margin: 0 auto 44px; max-width: 660px; text-align: center; color: var(--muted); }
.section__note { margin: 26px 0 0; text-align: center; font-size: 14px; color: var(--muted); }

.grid { display: grid; gap: 24px; }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); box-shadow: var(--shadow); padding: 28px;
}

/* Преимущества */
.feature { display: grid; gap: 10px; }
.feature__icon {
  display: grid; place-items: center; width: 54px; height: 54px;
  border-radius: 14px; background: #eaf0ff; font-size: 26px;
}
.feature h3 { margin: 0; font-size: 18px; color: var(--ink); }
.feature p { margin: 0; font-size: 15px; }

/* ---------- Тарифы ---------- */
.tariff { position: relative; display: flex; flex-direction: column; }
.tariff--popular { border: 2px solid var(--primary); }
.tariff__badge {
  position: absolute; top: -14px; left: 50%; transform: translateX(-50%);
  padding: 4px 14px; border-radius: 999px;
  background: var(--accent); color: #fff; font-size: 12px; font-weight: 700;
}
.tariff__name { margin: 0; font-size: 22px; color: var(--ink); }
.tariff__desc { margin: 6px 0 18px; min-height: 48px; font-size: 15px; color: var(--muted); }
.tariff__speed { margin: 0; font-size: 15px; color: var(--text); }
.tariff__speed b { font-size: 38px; color: var(--primary); }
.tariff__price { margin: 2px 0 20px; font-size: 15px; color: var(--text); }
.tariff__price b { font-size: 32px; color: var(--ink); }
.tariff__features { flex: 1; display: grid; gap: 10px; margin: 0 0 24px; padding: 0; list-style: none; font-size: 15px; }
.tariff__features li::before { content: "✓"; margin-right: 9px; color: var(--ok); font-weight: 800; }

/* ---------- Услуги ---------- */
.service { display: grid; gap: 12px; justify-items: center; text-align: center; }
.service__icon {
  display: grid; place-items: center; width: 66px; height: 66px;
  border-radius: 18px; font-size: 30px;
  background: linear-gradient(135deg, #eaf0ff, #fdeedd);
}
.service h3 { margin: 0; font-size: 19px; color: var(--ink); }
.service p { margin: 0; font-size: 15px; }

/* ---------- Проверка адреса ---------- */
.coverage-form { display: flex; gap: 12px; max-width: 660px; margin: 0 auto; }
.coverage-form .input { flex: 1; }
.coverage-result {
  max-width: 660px; margin: 18px auto 0; padding: 14px 18px;
  border-radius: 12px; text-align: center; font-weight: 600;
}
.coverage-result--ok { background: #e6f7ef; color: #0b7a52; border: 1px solid #b7e6cf; }
.coverage-result--fail { background: #fdeeee; color: #a02020; border: 1px solid #f3caca; }

/* ---------- Формы ---------- */
.input {
  width: 100%; padding: 12px 14px; border: 1.5px solid var(--line); border-radius: 12px;
  font: inherit; color: var(--ink); background: #fff;
  transition: border-color .2s, box-shadow .2s;
}
.input:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 4px rgba(15, 79, 216, .12); }
.input--lg { padding: 15px 18px; font-size: 16px; }
.field { display: grid; gap: 6px; margin-bottom: 16px; }
.field__label { font-size: 14px; font-weight: 600; color: var(--ink); }
.form-ok { margin: 14px 0 0; padding: 12px 14px; border-radius: 12px; background: #e6f7ef; color: #0b7a52; font-weight: 600; }
.form-error { margin: 14px 0 0; padding: 12px 14px; border-radius: 12px; background: #fdeeee; color: #a02020; font-weight: 600; }
.form-hint { margin: 14px 0 0; text-align: center; font-size: 13px; color: var(--muted); }

/* ---------- FAQ ---------- */
.faq { display: grid; gap: 12px; }
.faq__item { background: var(--card); border: 1px solid var(--line); border-radius: 14px; overflow: hidden; }
.faq__item summary {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 17px 22px; cursor: pointer; list-style: none;
  font-weight: 600; color: var(--ink);
}
.faq__item summary::-webkit-details-marker { display: none; }
.faq__item summary::after { content: "+"; font-size: 22px; font-weight: 700; color: var(--primary); }
.faq__item[open] summary::after { content: "–"; }
.faq__item p { margin: 0; padding: 0 22px 18px; }
/* ---------- Контакты ---------- */
.contacts { display: grid; grid-template-columns: 1.1fr 1fr; gap: 48px; align-items: start; }
.contacts__list { display: grid; gap: 18px; margin: 26px 0 0; padding: 0; list-style: none; }
.contacts__label { display: block; font-size: 12px; font-weight: 700; letter-spacing: .6px; text-transform: uppercase; color: var(--muted); }
.contacts__list a { font-size: 18px; font-weight: 700; color: var(--ink); }
.callback__title { margin: 0 0 18px; font-size: 20px; color: var(--ink); }

/* ---------- Подвал ---------- */
.footer { background: #0b1740; color: rgba(255, 255, 255, .75); padding: 56px 0 26px; }
.footer__grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 32px; }
.footer__col h4 { margin: 0 0 14px; font-size: 14px; letter-spacing: .6px; text-transform: uppercase; color: #fff; }
.footer__col ul { display: grid; gap: 10px; margin: 0; padding: 0; list-style: none; }
.footer__col a { color: rgba(255, 255, 255, .75); }
.footer__col a:hover { color: #fff; text-decoration: none; }
.footer__col p { margin: 14px 0 0; font-size: 14px; }
.footer__note { font-size: 13px; color: rgba(255, 255, 255, .5); }
.logo--light { color: #fff; }
.logo--light .logo__text b { color: #8fb3ff; }
.footer__bottom {
  margin: 42px 0 0; padding-top: 18px; border-top: 1px solid rgba(255, 255, 255, .15);
  text-align: center; font-size: 14px; color: rgba(255, 255, 255, .55);
}
.footer--slim { padding: 30px 0 24px; }
.footer--slim .footer__bottom { margin: 0; padding: 0; border: 0; }
/* ---------- Личный кабинет ---------- */
.lk-login { max-width: 480px; margin: 56px auto 90px; }
.lk-login h1 { margin: 0 0 4px; font-size: 26px; color: var(--ink); }
.lk-login h2 { margin: 0 0 6px; font-size: 17px; color: var(--primary); }
.lk-login__hint { margin: 0 0 24px; font-size: 14px; color: var(--muted); }

.lk-dashboard { display: grid; gap: 24px; padding: 44px 20px 80px; }
.lk-demo-banner {
  margin: 0; padding: 12px 18px; border-radius: 12px;
  background: #fff7e8; border: 1px solid #ffe3b3; color: #92600a;
  font-size: 14px; font-weight: 600;
}
.lk-top { display: flex; justify-content: space-between; align-items: flex-start; gap: 20px; flex-wrap: wrap; }
.lk-top h1 { margin: 0 0 8px; font-size: 28px; color: var(--ink); }
.lk-user { margin: 0 0 12px; color: var(--muted); }
.lk-user b { color: var(--ink); }
.lk-top__right { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.lk-status { display: inline-block; padding: 5px 12px; border-radius: 999px; font-size: 13px; font-weight: 700; background: #e6f7ef; color: #0b7a52; }
.lk-status--suspended { background: #fdeeee; color: #a02020; }
.lk-services { display: flex; gap: 8px; flex-wrap: wrap; }

.chip {
  padding: 6px 13px; border-radius: 999px; border: 1px solid var(--line);
  background: #eef2fb; font-size: 13px; font-weight: 600; color: var(--ink); cursor: pointer;
  font-family: inherit;
}
.chip:hover { border-color: var(--primary); color: var(--primary); }
.chip--static { cursor: default; }
.chip--static:hover { border-color: var(--line); color: var(--ink); }

.lk-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.lk-card h2 { margin: 0 0 16px; font-size: 18px; color: var(--ink); }
.lk-balance { margin: 0 0 6px; font-size: 42px; font-weight: 800; color: var(--ink); }
.lk-next { margin: 0 0 22px; font-size: 14px; color: var(--muted); }
.lk-next b { color: var(--ink); }
.lk-topup { display: grid; gap: 12px; }
.lk-presets { display: flex; gap: 8px; flex-wrap: wrap; }
.lk-tariff-name { margin: 0 0 14px; font-size: 24px; font-weight: 800; color: var(--primary); }
.lk-tariff-meta { display: grid; gap: 8px; margin: 0 0 18px; padding: 0; list-style: none; color: var(--muted); font-size: 15px; }
.lk-tariff-meta b { color: var(--ink); }

.table-wrap { overflow-x: auto; }
.table { width: 100%; border-collapse: collapse; font-size: 15px; }
.table th { padding: 10px 12px; text-align: left; font-size: 12px; letter-spacing: .5px; text-transform: uppercase; color: var(--muted); border-bottom: 1px solid var(--line); white-space: nowrap; }
.table td { padding: 12px; border-bottom: 1px solid var(--line); color: var(--ink); }
.table tr:last-child td { border-bottom: 0; }
.lk-empty { margin: 12px 0 0; text-align: center; color: var(--muted); }

/* Всплывающее уведомление */
.toast {
  position: fixed; right: 20px; bottom: 20px; z-index: 100;
  max-width: 340px; padding: 14px 20px; border-radius: 12px;
  color: #fff; font-weight: 600; box-shadow: 0 14px 30px rgba(0, 0, 0, .25);
  animation: toast-in .25s ease;
}
.toast--ok { background: var(--ok); }
.toast--err { background: var(--err); }
@keyframes toast-in { from { opacity: 0; transform: translateY(10px); } }

/* ---------- Адаптив ---------- */
@media (max-width: 960px) {
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .hero__visual { display: none; }
}
@media (max-width: 900px) {
  .nav {
    position: absolute; top: 100%; left: 0; right: 0;
    display: none; flex-direction: column; align-items: stretch; gap: 0;
    margin: 0; padding: 8px 20px 16px;
    background: #fff; border-bottom: 1px solid var(--line);
  }
  .nav.is-open { display: flex; }
  .nav__link { padding: 11px 0; border-bottom: 1px dashed var(--line); }
  .nav__link:last-child { border-bottom: 0; }
  .burger { display: block; }
}
@media (max-width: 820px) {
  .grid--2, .grid--3, .contacts, .lk-grid { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 700px) {
  .stats { grid-template-columns: repeat(2, 1fr); }
  .stats__item:nth-child(odd) { border-left: 0; }
  .section { padding: 56px 0; }
}
@media (max-width: 640px) {
  .header__actions .btn--sm { display: none; }
  .coverage-form { flex-direction: column; }
  .footer__grid { grid-template-columns: 1fr; }
}
@media (max-width: 560px) { .grid--4 { grid-template-columns: 1fr; } }