:root {
  --bg: #030712;
  --bg-deep: #020617;
  --bg-panel: #050816;
  --surface: rgba(8, 16, 36, 0.72);
  --surface-hover: rgba(12, 24, 52, 0.88);
  --text: #eaf2ff;
  --muted: #8ea4c8;
  --accent: #00d9ff;
  --accent-blue: #2f80ff;
  --accent-sky: #38bdf8;
  --border: rgba(47, 128, 255, 0.22);
  --glow: rgba(0, 217, 255, 0.35);
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.55);
  --radius: 18px;
  --max: 1140px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background: var(--bg-deep);
  color-scheme: dark;
}

body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--text);
  background:
    radial-gradient(ellipse 80% 50% at 15% -10%, rgba(47, 128, 255, 0.18), transparent 55%),
    radial-gradient(ellipse 60% 40% at 85% 20%, rgba(0, 217, 255, 0.08), transparent 50%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-deep) 50%, #010409 100%);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
}

a {
  color: inherit;
  text-decoration: none;
}

.bg-glow {
  position: fixed;
  border-radius: 50%;
  filter: blur(90px);
  pointer-events: none;
  z-index: 0;
}

.bg-glow--one {
  width: 480px;
  height: 480px;
  top: -160px;
  left: -120px;
  background: rgba(47, 128, 255, 0.16);
}

.bg-glow--two {
  width: 400px;
  height: 400px;
  right: -120px;
  bottom: 5%;
  background: rgba(0, 217, 255, 0.1);
}

.site-header,
main,
.site-footer {
  position: relative;
  z-index: 1;
}

.container {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(3, 7, 18, 0.82);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 68px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  color: var(--text);
}

.brand-mark {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-blue));
  box-shadow: 0 0 18px var(--glow);
}

.header-nav {
  display: none;
  gap: 1.25rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.header-nav a:hover {
  color: var(--accent);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.9rem 1.35rem;
  border-radius: 14px;
  font-weight: 600;
  border: 1px solid transparent;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease, border-color 0.18s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn--primary {
  background: linear-gradient(135deg, var(--accent-blue), var(--accent));
  color: #020617;
  box-shadow: 0 8px 32px rgba(47, 128, 255, 0.4), 0 0 20px rgba(0, 217, 255, 0.15);
}

.btn--primary:hover {
  box-shadow: 0 12px 40px rgba(47, 128, 255, 0.5), 0 0 28px rgba(0, 217, 255, 0.25);
}

.btn--ghost {
  background: rgba(255, 255, 255, 0.02);
  border-color: var(--border);
  color: var(--text);
}

.btn--ghost:hover {
  border-color: rgba(0, 217, 255, 0.5);
  background: rgba(0, 217, 255, 0.06);
  box-shadow: 0 0 20px rgba(0, 217, 255, 0.08);
}

.btn--sm {
  padding: 0.6rem 0.95rem;
  font-size: 0.9rem;
}

.hero {
  padding: 2rem 0 3.5rem;
}

.hero-grid {
  display: grid;
  gap: 2.5rem;
  align-items: center;
}

.hero-earth {
  position: relative;
  width: 100%;
  margin-inline: auto;
}

.hero-copy {
  max-width: 34rem;
}

.eyebrow {
  margin: 0 0 0.75rem;
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.14em;
}

.hero h1 {
  margin: 0 0 0.5rem;
  font-size: clamp(2.5rem, 6vw, 4.2rem);
  line-height: 1.02;
  letter-spacing: -0.03em;
  background: linear-gradient(135deg, #fff 0%, var(--accent-sky) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  margin: 0 0 1rem;
  font-size: clamp(1.05rem, 2.4vw, 1.35rem);
  color: #b8cce8;
  font-weight: 500;
}

.lead {
  margin: 0 0 1.5rem;
  color: var(--muted);
  font-size: 1.05rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin: 1.35rem 0 0;
  padding: 0;
  list-style: none;
}

.hero-tags li {
  padding: 0.35rem 0.8rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(5, 8, 22, 0.6);
  color: var(--muted);
  font-size: 0.85rem;
}

.section {
  padding: 3.5rem 0;
}

.section--panel {
  background: linear-gradient(180deg, rgba(5, 8, 22, 0.4), rgba(3, 7, 18, 0.85));
  border-block: 1px solid rgba(47, 128, 255, 0.08);
}

.section-title {
  margin: 0 0 0.75rem;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  letter-spacing: -0.02em;
  color: var(--text);
}

.section-sub,
.tariff-note {
  margin: 0 0 1.5rem;
  color: var(--muted);
  max-width: 44rem;
}

.cards-grid,
.tariffs-grid {
  display: grid;
  gap: 1rem;
}

.feature-card,
.tariff-card,
.faq-item,
.steps--cards li {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow);
  transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
}

.feature-card:hover,
.tariff-card:hover,
.faq-item:hover {
  transform: translateY(-3px);
  border-color: rgba(0, 217, 255, 0.4);
  box-shadow: var(--shadow), 0 0 24px rgba(0, 217, 255, 0.08);
}

.feature-card,
.tariff-card {
  padding: 1.35rem 1.4rem;
}

.feature-icon {
  font-size: 1.45rem;
  display: block;
  margin-bottom: 0.65rem;
}

.feature-card h3,
.tariff-badge {
  margin: 0 0 0.5rem;
  font-size: 1.05rem;
  color: var(--text);
}

.feature-card p,
.tariff-meta,
.tariff-list {
  margin: 0;
  color: var(--muted);
}

.tariff-list {
  margin-top: 0.85rem;
  padding-left: 1.1rem;
}

.tariff-price {
  margin: 0.35rem 0;
  font-size: 1.9rem;
  font-weight: 700;
  color: var(--text);
}

.tariff-price span {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--muted);
}

.tariff-card--featured {
  border-color: rgba(0, 217, 255, 0.45);
  box-shadow: var(--shadow), 0 0 32px rgba(0, 217, 255, 0.12);
}

.tariff-label {
  display: inline-block;
  margin: 0 0 0.65rem;
  padding: 0.25rem 0.65rem;
  border-radius: 999px;
  background: rgba(0, 217, 255, 0.1);
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.steps {
  margin: 0 0 1.5rem;
  padding: 0;
  list-style: none;
}

.steps--cards {
  display: grid;
  gap: 0.85rem;
}

.steps--cards li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  align-items: start;
  padding: 1rem 1.1rem;
}

.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border-radius: 999px;
  background: rgba(0, 217, 255, 0.1);
  color: var(--accent);
  font-weight: 700;
  box-shadow: 0 0 20px rgba(0, 217, 255, 0.15);
}

.steps--cards p {
  margin: 0.25rem 0 0;
  color: var(--muted);
}

.faq-list {
  display: grid;
  gap: 0.85rem;
}

.faq-item {
  padding: 0.95rem 1.05rem;
}

.faq-item summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--text);
}

.faq-item p {
  margin: 0.75rem 0 0;
  color: var(--muted);
}

.info-panel {
  max-width: 760px;
  padding: 1.35rem 1.4rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.info-panel p {
  margin: 0 0 0.85rem;
  color: var(--muted);
}

.info-panel ul {
  margin: 0;
  padding-left: 1.25rem;
  color: var(--muted);
}

.info-panel li + li {
  margin-top: 0.35rem;
}

.info-panel a {
  color: var(--accent-sky);
  text-decoration: underline;
  text-decoration-color: rgba(56, 189, 248, 0.35);
  text-underline-offset: 2px;
}

.info-panel a:hover {
  color: var(--accent);
}

.site-footer {
  border-top: 1px solid var(--border);
  background: rgba(2, 6, 23, 0.95);
  padding: 2rem 0 2.5rem;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.footer-brand {
  margin: 0;
  font-weight: 700;
  color: var(--text);
}

.footer-copy {
  margin: 0.25rem 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.footer-nav a:hover {
  color: var(--accent);
}

.footer-inner--legal {
  align-items: flex-start;
}

.footer-block {
  max-width: 28rem;
}

.footer-requisites {
  margin: 0.75rem 0 0;
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.55;
}

.footer-requisites a {
  color: var(--accent-sky);
}

.footer-requisites a:hover {
  color: var(--accent);
}

.header-nav--legal {
  display: flex;
}

.legal-page {
  padding: 2.5rem 0 4rem;
}

.legal-content {
  max-width: 760px;
}

.legal-meta {
  margin: 0 0 0.75rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.legal-content h1 {
  margin: 0 0 1rem;
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--text);
}

.legal-lead {
  margin: 0 0 2rem;
  color: #b8cce8;
  font-size: 1.05rem;
}

.legal-section {
  margin-bottom: 2rem;
  padding: 1.35rem 1.4rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.legal-section h2 {
  margin: 0 0 0.85rem;
  font-size: 1.15rem;
  color: var(--accent-sky);
}

.legal-section p {
  margin: 0 0 0.85rem;
  color: var(--muted);
}

.legal-section p:last-child {
  margin-bottom: 0;
}

.legal-section ul,
.legal-section ol {
  margin: 0 0 0.85rem;
  padding-left: 1.25rem;
  color: var(--muted);
}

.legal-section li + li {
  margin-top: 0.35rem;
}

.legal-section a {
  color: var(--accent-sky);
  text-decoration: underline;
  text-decoration-color: rgba(56, 189, 248, 0.35);
  text-underline-offset: 2px;
}

.legal-section a:hover {
  color: var(--accent);
}

.legal-section strong {
  color: var(--text);
}

@media (min-width: 900px) {
  .header-nav {
    display: flex;
  }

  .hero-grid {
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
  }

  .hero-earth {
    max-width: 640px;
    justify-self: center;
  }

  .cards-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .tariffs-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .steps--cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .footer-inner {
    flex-direction: row;
    align-items: flex-start;
    justify-content: space-between;
  }

  .footer-inner--legal {
    gap: 2rem;
  }
}

@media (max-width: 899px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }

  .hero-copy {
    order: 2;
  }

  .hero-earth {
    order: 1;
    max-width: 100%;
    margin-inline: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .btn:hover,
  .feature-card:hover,
  .tariff-card:hover {
    transform: none;
  }

  .city-pulse {
    animation: none !important;
  }
}

.hero-globe {
  position: relative;
  line-height: 0;
  width: 100%;
}

.hero-globe--abstract {
  aspect-ratio: 1672 / 941;
  overflow: hidden;
  border-radius: 20px;
  background:
    radial-gradient(ellipse 70% 65% at 32% 55%, rgba(0, 217, 255, 0.16), transparent 62%),
    radial-gradient(circle at 28% 50%, rgba(14, 165, 233, 0.1) 0%, transparent 48%),
    linear-gradient(135deg, #020617 0%, #030712 45%, #010409 100%);
}

.hero-globe--abstract::before {
  content: "";
  position: absolute;
  left: 4%;
  top: 50%;
  transform: translateY(-50%);
  width: 54%;
  aspect-ratio: 1;
  border-radius: 50%;
  background:
    radial-gradient(circle at 32% 32%, rgba(56, 189, 248, 0.22), rgba(2, 6, 23, 0.85) 58%, transparent 72%);
  box-shadow:
    0 0 80px rgba(0, 217, 255, 0.12),
    inset -20px -20px 60px rgba(0, 0, 0, 0.45);
  pointer-events: none;
}

.hero-globe--abstract::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, transparent 35%, rgba(3, 7, 18, 0.35) 88%, var(--bg-deep) 100%);
  pointer-events: none;
}

.hero-globe-img {
  width: 100%;
  height: auto;
  display: block;
}
.hero-globe-overlay {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  overflow: visible;
}
.city-pulse {
  transform-origin: center;
  transform-box: fill-box;
  animation: velos-pulse 2.4s ease-in-out infinite;
}
@keyframes velos-pulse {
  0%, 100% { opacity: 0.35; transform: scale(0.6); }
  50%      { opacity: 1;    transform: scale(1.4); }
}