:root {
  --color-bg: #f6f8fa;
  --color-surface: #ffffff;
  --color-surface-soft: #eef4f8;
  --color-text: #111827;
  --color-muted: #5b6778;
  --color-border: rgba(15, 61, 94, 0.14);
  --color-primary: #0f3d5e;
  --color-primary-strong: #08111f;
  --color-accent: #18a999;
  --color-accent-soft: rgba(24, 169, 153, 0.12);
  --color-warning: #f59e0b;
  --color-danger: #ef4444;
  --shadow-soft: 0 20px 60px rgba(8, 17, 31, 0.10);
  --radius-lg: 28px;
  --radius-md: 20px;
  --radius-sm: 14px;
  --container: 1160px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

a {
  color: inherit;
}

img {
  max-width: 100%;
  height: auto;
}

.container {
  width: min(100% - 40px, var(--container));
  margin-inline: auto;
}

.skip-link {
  position: absolute;
  left: 16px;
  top: -60px;
  z-index: 10;
  padding: 10px 14px;
  background: var(--color-primary);
  color: #fff;
  border-radius: 10px;
}

.skip-link:focus {
  top: 16px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(246, 248, 250, 0.88);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border);
}

.site-header__inner {
  min-height: 76px;
  display: flex;
  align-items: center;
  gap: 24px;
}

.site-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  text-decoration: none;
  letter-spacing: -0.02em;
}

.site-brand__mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  color: #fff;
}

.site-nav {
  margin-left: auto;
}

.site-nav__list,
.footer-nav {
  display: flex;
  gap: 20px;
  align-items: center;
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-nav__list a,
.footer-nav a {
  color: var(--color-muted);
  font-size: 0.95rem;
  text-decoration: none;
}

.site-nav__list a:hover,
.footer-nav a:hover {
  color: var(--color-primary);
}

.nav-toggle {
  display: none;
  margin-left: auto;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  border-radius: 999px;
  padding: 9px 14px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 20px;
  border: 1px solid var(--color-accent);
  border-radius: 999px;
  background: var(--color-accent);
  color: #06201d;
  font-weight: 700;
  text-decoration: none;
  box-shadow: 0 12px 30px rgba(24, 169, 153, 0.22);
}

.button--ghost {
  background: transparent;
  color: var(--color-primary);
  box-shadow: none;
}

.button--small {
  min-height: 40px;
  padding-inline: 16px;
  font-size: 0.92rem;
}

.section {
  padding: 88px 0;
}

.section--muted {
  background: var(--color-surface-soft);
}

.section--dark {
  background: radial-gradient(circle at top left, #123d5b, #08111f 52%);
  color: #f9fafb;
}

.section--documents {
  background: linear-gradient(180deg, var(--color-bg), var(--color-surface-soft));
}

.hero {
  position: relative;
  padding-top: 112px;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: -20% -10% auto auto;
  width: 520px;
  height: 520px;
  border-radius: 999px;
  background: radial-gradient(circle, rgba(24, 169, 153, 0.20), transparent 62%);
  pointer-events: none;
}

.hero__grid,
.split-grid,
.contact-card,
.document-grid,
.page-hero__grid,
.status-explainer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr);
  gap: 48px;
  align-items: center;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--color-accent);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin: 0;
  color: inherit;
  line-height: 1.08;
  letter-spacing: -0.04em;
}

h1 {
  max-width: 760px;
  font-size: clamp(2.6rem, 6vw, 5.4rem);
}

h2 {
  font-size: clamp(2rem, 4vw, 3.4rem);
}

h3 {
  font-size: 1.22rem;
}

.hero__lead,
.section-heading p,
.network-panel p,
.contact-card p,
.document-grid p {
  color: var(--color-muted);
  font-size: 1.08rem;
}

.section--dark p {
  color: #cbd5e1;
}

.hero__actions,
.contact-card__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  max-width: 680px;
  margin: 34px 0 0;
}

.hero-metrics div {
  padding: 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.55);
}

.hero-metrics dt {
  color: var(--color-primary);
  font-size: 1.35rem;
  font-weight: 900;
  line-height: 1;
}

.hero-metrics dd {
  margin: 6px 0 0;
  color: var(--color-muted);
  font-size: 0.92rem;
}

.network-panel,
.content-card,
.tariff-card,
.location-card,
.contact-card,
.document-card,
.metric-card,
.status-overview-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  box-shadow: var(--shadow-soft);
}

.network-panel {
  position: relative;
  padding: 32px;
  overflow: hidden;
}

.network-panel::after {
  content: "";
  position: absolute;
  right: -80px;
  bottom: -80px;
  width: 220px;
  height: 220px;
  border-radius: 999px;
  background: var(--color-accent-soft);
}

.network-panel__label {
  display: inline-flex;
  margin-bottom: 22px;
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--color-accent-soft);
  color: var(--color-primary);
  font-weight: 800;
}

.network-panel strong {
  display: block;
  font-size: clamp(2.2rem, 4vw, 4rem);
  line-height: 1;
  letter-spacing: -0.05em;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 34px;
}

.status-board {
  display: grid;
  gap: 22px;
}

.status-board__summary {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 10px 18px;
  align-items: center;
  padding: 24px;
  border-radius: var(--radius-lg);
  background: var(--color-primary-strong);
  color: #fff;
}

.status-board__summary strong,
.status-board__summary p {
  grid-column: 2;
}

.status-board__summary p {
  margin: 0;
  color: #cbd5e1;
}

.status-pill {
  display: inline-flex;
  grid-row: span 2;
  align-items: center;
  justify-content: center;
  min-width: 92px;
  min-height: 40px;
  padding: 5px 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  font-size: 0.82rem;
  font-weight: 800;
}

.status-pill--online {
  background: rgba(24, 169, 153, 0.22);
}

.status-pill--offline {
  background: rgba(239, 68, 68, 0.22);
}

.status-pill--maintenance,
.status-pill--degraded {
  background: rgba(245, 158, 11, 0.22);
}

.location-grid,
.tariff-grid,
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.location-card,
.tariff-card,
.content-card {
  padding: 24px;
}

.location-card__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.status-dot {
  width: 12px;
  height: 12px;
  border-radius: 999px;
  background: #94a3b8;
}

.location-card--online .status-dot {
  background: var(--color-accent);
  box-shadow: 0 0 0 6px rgba(24, 169, 153, 0.12);
}

.location-card--offline .status-dot {
  background: var(--color-danger);
}

.location-card--degraded .status-dot,
.location-card--maintenance .status-dot {
  background: var(--color-warning);
}

.location-card dl {
  display: grid;
  gap: 8px;
  margin: 18px 0 0;
}

.location-card dl div {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  border-top: 1px solid var(--color-border);
  padding-top: 8px;
}

.location-card dt {
  color: var(--color-muted);
}

.location-card dd {
  margin: 0;
  font-weight: 800;
}

.location-card__note {
  margin: 14px 0 0;
  color: var(--color-muted);
  font-size: 0.9rem;
}

.tariff-card {
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.tariff-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 24px 70px rgba(8, 17, 31, 0.14);
}

.tariff-card__speed {
  margin: 16px 0 0;
  color: var(--color-primary);
  font-size: 1.7rem;
  font-weight: 900;
  letter-spacing: -0.04em;
}

.tariff-card__price {
  font-size: 2rem;
  font-weight: 900;
  letter-spacing: -0.04em;
}

.tariff-card__price span {
  color: var(--color-muted);
  font-size: 1rem;
  font-weight: 500;
}

.text-link {
  position: relative;
  z-index: 1;
  color: var(--color-primary);
  font-weight: 800;
  text-decoration-color: var(--color-accent);
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
}

.feature-grid article {
  padding: 22px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.06);
}

.timeline-preview {
  min-height: 280px;
  border-left: 3px solid var(--color-accent);
  padding-left: 28px;
}

.timeline-steps {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}

.timeline-steps span {
  padding: 10px 14px;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  background: var(--color-surface);
  color: var(--color-muted);
  font-weight: 700;
}

.document-card,
.contact-card {
  padding: 34px;
}

.document-card strong {
  display: block;
  font-size: 1.35rem;
}

.page-hero {
  padding-top: 96px;
}

.status-overview-card {
  padding: 30px;
}

.status-overview-card strong {
  display: block;
  margin-top: 12px;
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1;
  letter-spacing: -0.05em;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.metric-card {
  padding: 24px;
}

.metric-card span {
  color: var(--color-muted);
  font-size: 0.88rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.metric-card strong {
  display: block;
  margin-top: 10px;
  color: var(--color-primary);
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1;
  letter-spacing: -0.05em;
}

.metric-card p {
  margin-bottom: 0;
  color: var(--color-muted);
}

.status-explainer-grid {
  align-items: stretch;
}

.check-list {
  display: grid;
  gap: 10px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 28px;
  color: var(--color-muted);
}

.check-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--color-accent);
  font-weight: 900;
}

.site-footer {
  padding: 52px 0;
  background: var(--color-primary-strong);
  color: #e5e7eb;
}

.site-footer__grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 32px;
}

.site-footer p,
.site-footer a {
  color: #cbd5e1;
}

.content-narrow {
  max-width: 820px;
}

.entry-content {
  margin-top: 24px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: #08111f;
    --color-surface: #101b2d;
    --color-surface-soft: #0c1728;
    --color-text: #f9fafb;
    --color-muted: #cbd5e1;
    --color-border: rgba(203, 213, 225, 0.14);
    --shadow-soft: 0 20px 60px rgba(0, 0, 0, 0.28);
  }

  .button--ghost {
    color: #f9fafb;
  }

  .site-header {
    background: rgba(8, 17, 31, 0.86);
  }

  .hero-metrics div {
    background: rgba(255, 255, 255, 0.04);
  }
}

@media (max-width: 900px) {
  .site-header__inner {
    flex-wrap: wrap;
    padding: 14px 0;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    display: none;
    width: 100%;
    order: 10;
  }

  .site-nav.is-open {
    display: block;
  }

  .site-nav__list {
    flex-direction: column;
    align-items: flex-start;
    padding: 12px 0;
  }

  .hero__grid,
  .split-grid,
  .contact-card,
  .document-grid,
  .page-hero__grid,
  .status-explainer-grid,
  .site-footer__grid {
    grid-template-columns: 1fr;
  }

  .location-grid,
  .tariff-grid,
  .feature-grid,
  .metric-grid {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 64px 0;
  }

  .hero {
    padding-top: 72px;
  }
}

@media (max-width: 560px) {
  .container {
    width: min(100% - 28px, var(--container));
  }

  .site-header .button--small {
    width: 100%;
  }

  .hero__actions,
  .contact-card__actions {
    flex-direction: column;
  }

  .hero-metrics {
    grid-template-columns: 1fr;
  }

  .button {
    width: 100%;
  }

  .status-board__summary {
    grid-template-columns: 1fr;
  }

  .status-board__summary strong,
  .status-board__summary p {
    grid-column: auto;
  }

  .status-pill {
    justify-self: start;
  }
}