:root {
  --bg: #070b14;
  --bg-elev: #0d1424;
  --bg-soft: #111a2e;
  --surface: rgba(13, 20, 36, 0.9);
  --surface-2: rgba(17, 26, 46, 0.9);
  --text: #eaf0ff;
  --muted: #9aa8c7;
  --line: rgba(148, 163, 184, 0.2);
  --brand: #2dd4bf;
  --brand-2: #38bdf8;
  --accent: #60a5fa;
  --radius-lg: 20px;
  --radius-md: 14px;
  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;
  --space-4: 32px;
  --space-5: 40px;
  --space-6: 48px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  background:
    radial-gradient(1200px 500px at 20% -10%, rgba(56, 189, 248, 0.14), transparent 50%),
    radial-gradient(900px 480px at 110% 0%, rgba(45, 212, 191, 0.12), transparent 40%),
    linear-gradient(180deg, var(--bg) 0%, #0a1120 100%);
  color: var(--text);
  font-family: "Manrope", "Inter", "Segoe UI", sans-serif;
}

a {
  color: #8dd4ff;
  text-decoration: none;
}

a:hover {
  color: #b9e8ff;
}

.main-wrap {
  min-height: calc(100vh - 184px);
}

.header {
  position: sticky;
  top: 0;
  z-index: 1000;
}

.navbar {
  background: rgba(7, 11, 20, 0.86) !important;
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(10px);
  padding-top: 12px;
  padding-bottom: 12px;
}

.navbar-brand img {
  height: 34px;
}

.nav-link {
  color: #b9c7e6;
}

.nav-link:hover,
.nav-link:focus,
.navbar-nav .nav-link.active {
  color: #f5f8ff;
}

.hero {
  padding: 72px 0 56px;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: var(--space-3);
}

.hero-card,
.network-card,
.iv-card,
.metric,
.tariff-card,
.coverage-card,
.coverage-map,
.lead-form-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, var(--surface), var(--surface-2));
}

.hero-card,
.network-card {
  padding: var(--space-4);
}

.hero-card .badge {
  border: 1px solid rgba(56, 189, 248, 0.45);
  background: rgba(56, 189, 248, 0.15);
  color: #d6f3ff;
}

.hero h1 {
  margin: 0 0 var(--space-2);
  font-size: clamp(34px, 4.7vw, 60px);
  line-height: 1.06;
  letter-spacing: -0.02em;
}

.hero .lead,
.section-intro {
  color: var(--muted);
  font-size: 17px;
  line-height: 1.6;
}

.network-card__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-2);
  color: var(--muted);
  font-size: 14px;
}

.network-status {
  border: 1px solid rgba(45, 212, 191, 0.35);
  background: rgba(45, 212, 191, 0.15);
  color: #b9f7ec;
  border-radius: 999px;
  padding: 4px 12px;
}

.network-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-2);
}

.network-grid__item {
  border-radius: var(--radius-md);
  border: 1px solid rgba(148, 163, 184, 0.16);
  background: rgba(7, 11, 20, 0.46);
  padding: var(--space-2);
}

.network-grid__item small {
  display: block;
  color: #8f9ec0;
  font-size: 11px;
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.network-grid__item strong {
  font-size: 28px;
  color: #dff3ff;
  letter-spacing: -0.01em;
}

.network-note {
  margin: var(--space-2) 0 0;
  color: #b8c7e8;
}

.section {
  padding: 56px 0;
}

.section-muted {
  background: rgba(9, 14, 26, 0.42);
  border-top: 1px solid rgba(148, 163, 184, 0.08);
  border-bottom: 1px solid rgba(148, 163, 184, 0.08);
}

.section-title {
  margin-bottom: 12px;
  font-size: clamp(28px, 3vw, 40px);
  letter-spacing: -0.01em;
}

.block-title {
  margin-bottom: var(--space-2);
  font-size: 22px;
}

.iv-card {
  border-radius: var(--radius-md);
  transition: transform 0.2s ease, border-color 0.2s ease;
  height: 100%;
}

.iv-card:hover {
  transform: translateY(-3px);
  border-color: rgba(56, 189, 248, 0.34);
}

.iv-card .card-body {
  padding: var(--space-3);
}

.iv-card h3,
.tariff-card h3 {
  margin-bottom: 12px;
  font-size: 22px;
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.card-link::after {
  content: "→";
}

.metric {
  border-radius: var(--radius-md);
  padding: var(--space-3);
}

.metric small {
  color: var(--muted);
  display: block;
  margin-bottom: 10px;
}

.metric .value {
  font-size: 32px;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: #ecf5ff;
}

.tariff-card {
  border-radius: var(--radius-md);
  position: relative;
  padding: var(--space-3);
  height: 100%;
}

.tariff-card--featured {
  border-color: rgba(56, 189, 248, 0.42);
}

.tariff-badge {
  position: absolute;
  right: 16px;
  top: 16px;
  border-radius: 999px;
  border: 1px solid rgba(56, 189, 248, 0.45);
  background: rgba(56, 189, 248, 0.15);
  color: #d6f3ff;
  font-size: 12px;
  font-weight: 700;
  padding: 4px 10px;
}

.tariff-speed {
  color: var(--muted);
  margin-bottom: 12px;
}

.tariff-price {
  margin: 0 0 var(--space-2);
  font-size: 38px;
  font-weight: 800;
  color: #e8f4ff;
  letter-spacing: -0.03em;
}

.tariff-price span {
  color: var(--muted);
  font-size: 16px;
  margin-left: 6px;
}

.coverage-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-3);
}

.coverage-card,
.coverage-map {
  border-radius: var(--radius-md);
  padding: var(--space-3);
}

.coverage-map {
  position: relative;
  overflow: hidden;
  min-height: 264px;
}

.coverage-map__grid {
  position: absolute;
  inset: 16px;
  border-radius: 12px;
  background-image:
    linear-gradient(rgba(96, 165, 250, 0.14) 1px, transparent 1px),
    linear-gradient(90deg, rgba(96, 165, 250, 0.14) 1px, transparent 1px);
  background-size: 30px 30px;
}

.coverage-map__pulse {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  background: #7dd3fc;
  box-shadow: 0 0 0 0 rgba(125, 211, 252, 0.55);
  animation: pulse 2.4s infinite;
}

.coverage-map p {
  position: absolute;
  bottom: 16px;
  left: 16px;
  margin: 0;
  color: var(--muted);
}

.iv-list {
  margin: 0;
  padding-left: 20px;
}

.iv-list li {
  color: var(--muted);
  margin-bottom: 10px;
}

.lead-form-card {
  max-width: 720px;
  border-radius: var(--radius-lg);
  padding: var(--space-3);
}

.form-control,
.form-select {
  min-height: 44px;
  border-radius: 12px;
  border-color: rgba(148, 163, 184, 0.3);
  background: rgba(7, 11, 20, 0.66);
  color: var(--text);
}

.form-control::placeholder {
  color: #7f90b8;
}

.form-control:focus,
.form-select:focus {
  border-color: rgba(96, 165, 250, 0.6);
  box-shadow: 0 0 0 0.2rem rgba(96, 165, 250, 0.18);
  background: rgba(7, 11, 20, 0.88);
  color: var(--text);
}

.form-check-label,
.form-label,
.help-block,
.invalid-feedback,
.text-muted {
  color: var(--muted) !important;
}

.form-check-input {
  border-color: rgba(148, 163, 184, 0.35);
  background-color: rgba(7, 11, 20, 0.86);
}

.form-check-input:checked {
  background-color: var(--brand-2);
  border-color: var(--brand-2);
}

.btn {
  border-radius: 12px;
  padding: 10px 16px;
}

.btn-primary {
  border-color: transparent;
  background: linear-gradient(90deg, var(--brand), var(--brand-2));
  color: #031a22;
}

.btn-primary:hover,
.btn-primary:focus {
  border-color: transparent;
  background: linear-gradient(90deg, #69e6d2, #7cccf9);
  color: #031a22;
}

.btn-outline-primary {
  border-color: rgba(148, 163, 184, 0.45);
  color: #d9e6ff;
  background: transparent;
}

.btn-outline-primary:hover,
.btn-outline-primary:focus {
  border-color: rgba(96, 165, 250, 0.6);
  color: #edf5ff;
  background: rgba(96, 165, 250, 0.12);
}

.btn-accent {
  border-color: transparent;
  background: linear-gradient(90deg, #5eead4, #60a5fa);
  color: #032027;
}

.btn-accent:hover,
.btn-accent:focus {
  border-color: transparent;
  color: #032027;
}

.footer {
  border-top: 1px solid var(--line);
  background: rgba(7, 11, 20, 0.82);
  color: var(--muted);
}

.footer a {
  color: #dce8ff;
}

.reveal {
  animation: reveal-up 0.45s ease both;
}

@keyframes reveal-up {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(125, 211, 252, 0.55);
  }
  70% {
    box-shadow: 0 0 0 22px rgba(125, 211, 252, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(125, 211, 252, 0);
  }
}

@media (max-width: 1199px) {
  .hero-grid,
  .coverage-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 991px) {
  .hero {
    padding-top: 40px;
  }

  .navbar .btn {
    width: 100%;
    margin-top: 8px;
  }

  .section {
    padding: 48px 0;
  }
}

@media (max-width: 575px) {
  .hero h1 {
    font-size: 32px;
  }

  .network-grid {
    grid-template-columns: 1fr;
  }

  .tariff-price {
    font-size: 34px;
  }
}