/* ============================================================
   CONGIX — Главные стили (маркетинговые страницы)
   Импортирует variables.css для настройки цветов и шрифтов
   ============================================================ */

@import url('variables.css');
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&display=swap');

/* ── Reset ─────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-main);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

/* ── Общие утилиты ──────────────────────────────────────────── */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}
.badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 14px;
  background: var(--color-purple-soft);
  color: var(--color-purple);
  border: 1px solid var(--color-purple);
  border-radius: 999px;
  font-size: 13px; font-weight: 600;
}
.section-title {
  font-size: clamp(28px, 5vw, 44px);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 16px;
}
.section-sub {
  font-size: 17px;
  color: var(--color-mid);
  max-width: 540px;
  margin: 0 auto 56px;
}
.text-center { text-align: center; }
.highlight { color: var(--color-purple); }

/* ── Кнопки ─────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-md);
  font-size: 16px; font-weight: 700;
  cursor: pointer; border: none;
  transition: transform var(--transition), box-shadow var(--transition);
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary {
  background: var(--color-purple);
  color: #fff;
  box-shadow: var(--shadow-btn);
}
.btn-primary:hover { box-shadow: 0 12px 32px var(--color-purple-glow); }
.btn-outline {
  background: transparent;
  color: var(--color-text);
  border: 1.5px solid var(--color-border);
}
.btn-outline:hover { border-color: var(--color-purple); color: var(--color-purple); }
.btn-lg { padding: 18px 36px; font-size: 18px; border-radius: var(--radius-lg); }

/* ── Навбар ─────────────────────────────────────────────────── */
.navbar {
  position: sticky; top: 0; z-index: 100;
  background: rgba(13, 13, 30, 0.85);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border);
}
.navbar-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 68px;
}
.logo {
  display: flex; align-items: center; gap: 10px;
  font-size: 22px; font-weight: 800;
}
.logo-icon {
  width: 38px; height: 38px;
  background: var(--color-purple);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px;
  box-shadow: 0 4px 16px var(--color-purple-glow);
}
.nav-links {
  display: flex; align-items: center; gap: 8px;
  list-style: none;
}
.nav-links a {
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-size: 15px; font-weight: 500;
  color: var(--color-mid);
  transition: color var(--transition), background var(--transition);
}
.nav-links a:hover,
.nav-links a.active {
  color: var(--color-text);
  background: var(--color-card);
}
.lang-toggle {
  display: flex; gap: 4px;
  padding: 4px;
  background: var(--color-card);
  border-radius: var(--radius-sm);
}
.lang-btn {
  padding: 6px 12px;
  border: none; background: transparent;
  color: var(--color-muted);
  font-size: 13px; font-weight: 600;
  border-radius: 7px;
  cursor: pointer;
  transition: all var(--transition);
}
.lang-btn.active {
  background: var(--color-purple);
  color: #fff;
}
.navbar-right { display: flex; align-items: center; gap: 16px; }

/* ── Hero ───────────────────────────────────────────────────── */
.hero {
  padding: 96px 0 80px;
  position: relative; overflow: hidden;
}
.hero-glow {
  position: absolute;
  top: -100px; right: -200px;
  width: 600px; height: 600px;
  background: radial-gradient(circle, var(--color-purple-soft) 0%, transparent 70%);
  pointer-events: none;
}
.hero-glow-2 {
  position: absolute;
  bottom: -150px; left: -150px;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(52,199,89,0.07) 0%, transparent 70%);
  pointer-events: none;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.hero-badge { margin-bottom: 24px; }
.hero-title {
  font-size: clamp(36px, 5vw, 60px);
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 20px;
}
.hero-sub {
  font-size: 18px;
  color: var(--color-mid);
  line-height: 1.7;
  margin-bottom: 36px;
  max-width: 480px;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-stats {
  display: flex; gap: 32px;
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--color-border);
}
.stat-num { font-size: 28px; font-weight: 800; color: var(--color-purple); }
.stat-label { font-size: 13px; color: var(--color-mid); margin-top: 2px; }
.hero-visual {
  position: relative;
  display: flex; justify-content: center; align-items: center;
}
.phone-mockup {
  width: 280px; height: 560px;
  background: var(--color-card);
  border-radius: 40px;
  border: 1.5px solid var(--color-border);
  box-shadow: var(--shadow-card), 0 0 80px var(--color-purple-soft);
  position: relative; overflow: hidden;
  display: flex; flex-direction: column; align-items: center;
  padding: 24px 20px;
}
.phone-screen-header {
  width: 100%; display: flex; align-items: center; gap: 8px;
  margin-bottom: 20px;
}
.phone-logo-small {
  width: 28px; height: 28px;
  background: var(--color-purple);
  border-radius: 7px;
  display: flex; align-items: center; justify-content: center;
  font-size: 13px;
}
.phone-screen-title { font-size: 14px; font-weight: 700; }
.phone-chat-bubble {
  width: 100%;
  padding: 10px 14px;
  border-radius: 14px;
  font-size: 12px; line-height: 1.5;
  margin-bottom: 8px;
}
.bubble-user {
  background: var(--color-purple);
  color: #fff;
  margin-left: auto;
  max-width: 80%;
  border-bottom-right-radius: 4px;
}
.bubble-ai {
  background: var(--color-card2);
  color: var(--color-text);
  max-width: 90%;
  border-bottom-left-radius: 4px;
}
.phone-input-bar {
  margin-top: auto; width: 100%;
  padding: 10px 14px;
  background: var(--color-card2);
  border-radius: 12px;
  font-size: 12px; color: var(--color-muted);
  border: 1px solid var(--color-border);
  display: flex; align-items: center; justify-content: space-between;
}
.send-icon {
  width: 26px; height: 26px;
  background: var(--color-purple);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 11px;
}

/* ── Секция Фичи ────────────────────────────────────────────── */
.features { padding: 96px 0; }
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
  margin-top: 56px;
}
.feature-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: border-color var(--transition), transform var(--transition);
}
.feature-card:hover {
  border-color: var(--color-purple);
  transform: translateY(-4px);
}
.feature-icon {
  width: 52px; height: 52px;
  background: var(--color-purple-soft);
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  font-size: 24px;
  margin-bottom: 20px;
  border: 1px solid var(--color-purple);
}
.feature-title { font-size: 18px; font-weight: 700; margin-bottom: 10px; }
.feature-desc { font-size: 14px; color: var(--color-mid); line-height: 1.7; }

/* ── Секция Предметы ─────────────────────────────────────────── */
.subjects { padding: 80px 0; }
.subjects-grid {
  display: flex; flex-wrap: wrap; gap: 12px;
  justify-content: center;
  margin-top: 48px;
}
.subject-chip {
  padding: 10px 20px;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  font-size: 14px; font-weight: 600;
  display: flex; align-items: center; gap: 8px;
  transition: all var(--transition);
}
.subject-chip:hover { border-color: var(--color-purple); color: var(--color-purple); }

/* ── Pricing ────────────────────────────────────────────────── */
.pricing { padding: 96px 0; }
.billing-toggle {
  display: flex; justify-content: center; gap: 4px;
  width: fit-content; margin: 0 auto 40px;
  background: var(--color-card); border: 1px solid var(--color-border);
  border-radius: 999px; padding: 4px;
}
.billing-btn {
  padding: 8px 22px; border: none; background: transparent;
  color: var(--color-mid); font-size: 14px; font-weight: 700;
  border-radius: 999px; cursor: pointer; transition: all var(--transition);
}
.billing-btn.active { background: var(--color-purple); color: #fff; }
.price-save-badge {
  display: inline-flex; margin-left: 8px; padding: 3px 10px;
  background: rgba(52,199,89,0.12); color: var(--color-green);
  border: 1px solid rgba(52,199,89,0.3); border-radius: 999px;
  font-size: 11px; font-weight: 700; vertical-align: middle;
}
.price-sum-note { font-size: 13px; color: var(--color-mid); margin-top: -20px; margin-bottom: 28px; }
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
  max-width: 720px;
  margin: 0 auto;
}
.pricing-card {
  background: var(--color-card);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 36px 32px;
  position: relative;
  transition: transform var(--transition);
}
.pricing-card:hover { transform: translateY(-4px); }
.pricing-card.popular {
  border-color: var(--color-purple);
  background: linear-gradient(135deg, var(--color-card) 0%, #1A1535 100%);
  box-shadow: 0 0 48px var(--color-purple-soft);
}

/* ── Пакеты токенов (разовая покупка) ─────────────────────────── */
.token-buy-section { max-width: 720px; margin: 48px auto 0; text-align: center; }
.token-buy-head { font-size: 22px; font-weight: 900; margin-bottom: 8px; }
.token-buy-desc { font-size: 14px; color: var(--color-muted); line-height: 1.6; margin-bottom: 24px; }
.token-buy-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px; margin-bottom: 24px;
}
.token-buy-card {
  padding: 18px 16px; font-size: 15px; font-weight: 700;
  background: var(--color-card); border: 1px solid var(--color-border);
  border-radius: 14px;
}
.token-buy-btn { display: inline-block; width: auto; padding: 12px 28px; }
.popular-badge {
  position: absolute; top: -14px; left: 50%; transform: translateX(-50%);
  background: var(--color-orange);
  color: #000;
  padding: 4px 16px;
  border-radius: 999px;
  font-size: 12px; font-weight: 700;
  white-space: nowrap;
}
.plan-name { font-size: 20px; font-weight: 800; margin-bottom: 8px; }
.plan-desc { font-size: 14px; color: var(--color-mid); margin-bottom: 28px; }
.plan-price { margin-bottom: 28px; }
.price-amount { font-size: 42px; font-weight: 900; }
.price-period { font-size: 15px; color: var(--color-mid); margin-left: 4px; }
.plan-features { list-style: none; margin-bottom: 32px; }
.plan-features li {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 0;
  border-bottom: 1px solid var(--color-border);
  font-size: 14px;
}
.plan-features li:last-child { border-bottom: none; }
.check { color: var(--color-green); font-size: 16px; }
.cross { color: var(--color-muted); font-size: 16px; }
.plan-features .dim { color: var(--color-muted); }

/* ── О нас / Контакты ───────────────────────────────────────── */
.about { padding: 96px 0; }
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}
.about-text h2 { font-size: 36px; font-weight: 800; margin-bottom: 16px; }
.about-text p { color: var(--color-mid); line-height: 1.8; margin-bottom: 16px; }
.contact-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 36px;
}
.contact-card h3 { font-size: 22px; font-weight: 800; margin-bottom: 24px; }
.contact-item {
  display: flex; align-items: center; gap: 14px;
  padding: 16px 0;
  border-bottom: 1px solid var(--color-border);
}
.contact-item:last-child { border-bottom: none; }
.contact-icon {
  width: 42px; height: 42px;
  background: var(--color-purple-soft);
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}
.contact-label { font-size: 12px; color: var(--color-muted); margin-bottom: 2px; }
.contact-value { font-size: 15px; font-weight: 600; }
.contact-value a { color: var(--color-purple); transition: opacity var(--transition); }
.contact-value a:hover { opacity: 0.8; }

/* ── CTA секция ─────────────────────────────────────────────── */
.cta {
  padding: 96px 0;
  text-align: center;
}
.cta-box {
  background: linear-gradient(135deg, #1A1535 0%, #16162A 100%);
  border: 1px solid var(--color-purple);
  border-radius: var(--radius-xl);
  padding: 72px 48px;
  position: relative; overflow: hidden;
}
.cta-box::before {
  content: '';
  position: absolute; top: -100px; left: 50%; transform: translateX(-50%);
  width: 400px; height: 400px;
  background: radial-gradient(circle, var(--color-purple-soft) 0%, transparent 70%);
  pointer-events: none;
}
.cta-box h2 { font-size: clamp(28px, 4vw, 44px); font-weight: 900; margin-bottom: 16px; position: relative; }
.cta-box p { font-size: 17px; color: var(--color-mid); margin-bottom: 36px; position: relative; }
.cta-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; position: relative; }

/* ── Footer ─────────────────────────────────────────────────── */
.footer {
  border-top: 1px solid var(--color-border);
  padding: 56px 0 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 32px;
  padding-bottom: 36px;
}
.footer-col { display: flex; flex-direction: column; gap: 10px; }
.footer-col-brand .footer-logo { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 18px; margin-bottom: 4px; }
.footer-tagline { font-size: 13px; color: var(--color-mid); line-height: 1.6; max-width: 220px; }
.footer-col h4 {
  font-size: 12px; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.5px; color: var(--color-muted); margin-bottom: 4px;
}
.footer-col a, .footer-col span { font-size: 14px; color: var(--color-mid); transition: color var(--transition); }
.footer-col a:hover { color: var(--color-text); }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 16px;
  padding-top: 24px; border-top: 1px solid var(--color-border);
}
.footer-copy { font-size: 13px; color: var(--color-muted); }
.footer-payments { display: flex; flex-wrap: wrap; gap: 8px; }
.payment-badge {
  padding: 6px 14px;
  background: var(--color-card); border: 1px solid var(--color-border);
  border-radius: 8px;
  font-size: 12px; font-weight: 700; color: var(--color-mid);
}
@media (max-width: 700px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-col-brand { grid-column: 1 / -1; }
}

/* ── Утилиты заголовков ─────────────────────────────────────── */
.section-title-top { margin-top: 16px; }
.logo-icon-sm { width: 30px; height: 30px; font-size: 14px; }

/* ── Responsive ─────────────────────────────────────────────── */
@media (max-width: 768px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-visual { display: none; }
  .about-grid { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .hero-stats { flex-wrap: wrap; gap: 20px; }
  .cta-box { padding: 48px 24px; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

/* Узкие телефоны: навбар (лого + язык + кнопка) не помещается в одну строку без сжатия */
@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .logo { font-size: 17px; gap: 6px; }
  .logo-icon { width: 30px; height: 30px; font-size: 14px; }
  .navbar-right { gap: 8px; }
  .lang-toggle { padding: 3px; }
  .lang-btn { padding: 5px 8px; font-size: 12px; }
  .navbar-right .btn { padding: 8px 14px; font-size: 13px; white-space: nowrap; }
}

/* ── Знак-логотип «Орбита» в значках лендинга ── */
.orbit-mark { width: 72%; height: 72%; display: block; }
.logo-icon, .phone-logo-small { color: #fff; }