:root {
  color-scheme: dark;
  --bg: #080d14;
  --bg-soft: #101722;
  --surface: #151d28;
  --surface-strong: #1c2635;
  --stroke: #2b3748;
  --text: #f4f7fb;
  --muted: #9da9bb;
  --faint: #717d90;
  --accent: #5e91ff;
  --accent-strong: #76a5ff;
  --green: #43d17a;
  --warn: #ffd166;
  --radius: 8px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 18% 0%, rgba(94, 145, 255, 0.2), transparent 28rem),
    linear-gradient(180deg, #0b111a 0%, var(--bg) 52%, #06090f 100%);
  color: var(--text);
  line-height: 1.6;
}

a {
  color: var(--accent-strong);
  text-decoration: none;
}

a:hover,
a:focus {
  text-decoration: underline;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(18px);
  background: rgba(8, 13, 20, 0.78);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.nav {
  max-width: 1120px;
  margin: 0 auto;
  padding: 14px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
  font-weight: 800;
  letter-spacing: 0;
}

.brand img {
  width: 42px;
  height: 42px;
  border-radius: 9px;
  display: block;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 14px;
  font-size: 14px;
  color: var(--muted);
}

.nav-links a {
  color: var(--muted);
}

.container {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.hero {
  padding: 78px 0 50px;
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: 36px;
  align-items: center;
}

.eyebrow {
  color: var(--accent-strong);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin: 0 0 14px;
}

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

h1 {
  font-size: clamp(42px, 7vw, 78px);
  max-width: 850px;
}

h2 {
  font-size: clamp(28px, 4vw, 46px);
  margin-bottom: 12px;
}

h3 {
  font-size: 21px;
  margin-bottom: 10px;
}

p {
  margin: 0 0 14px;
}

.lead {
  color: var(--muted);
  font-size: clamp(18px, 2.3vw, 22px);
  max-width: 760px;
  margin-top: 18px;
}

.hero-logo {
  justify-self: end;
  width: min(100%, 320px);
  border-radius: 34px;
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.35), 0 0 50px rgba(94, 145, 255, 0.22);
}

.quick-card,
.content-card,
.info-card,
.notice {
  background: rgba(21, 29, 40, 0.9);
  border: 1px solid var(--stroke);
  border-radius: var(--radius);
}

.quick-card {
  padding: 22px;
}

.quick-grid,
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.quick-card strong {
  display: block;
  color: var(--text);
  font-size: 17px;
  margin-bottom: 6px;
}

.quick-card span {
  color: var(--muted);
  font-size: 14px;
}

.section {
  padding: 38px 0;
}

.section-intro {
  color: var(--muted);
  max-width: 760px;
  margin-bottom: 22px;
}

.content-card {
  padding: clamp(22px, 4vw, 38px);
  margin-bottom: 18px;
}

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
}

.info-card {
  padding: 20px;
}

.label {
  color: var(--accent-strong);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.muted {
  color: var(--muted);
}

.faint {
  color: var(--faint);
}

.list {
  padding-left: 20px;
  margin: 12px 0 0;
  color: var(--muted);
}

.list li {
  margin: 8px 0;
}

.price-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 18px;
}

.price-card {
  padding: 18px;
  border-radius: var(--radius);
  background: var(--surface-strong);
  border: 1px solid rgba(118, 165, 255, 0.32);
}

.price {
  font-size: 34px;
  font-weight: 900;
  line-height: 1;
  color: var(--text);
  margin: 8px 0;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border-radius: var(--radius);
  background: var(--accent);
  color: #06101f;
  font-weight: 800;
}

.button.secondary {
  background: transparent;
  color: var(--accent-strong);
  border: 1px solid var(--stroke);
}

.notice {
  padding: 16px 18px;
  color: var(--muted);
  border-color: rgba(255, 209, 102, 0.38);
  background: rgba(255, 209, 102, 0.08);
}

.divider {
  height: 1px;
  background: var(--stroke);
  margin: 28px 0;
}

.site-footer {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  margin-top: 42px;
  padding: 26px 0 40px;
  color: var(--faint);
  font-size: 14px;
}

.footer-grid {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

@media (max-width: 850px) {
  .hero,
  .two-col,
  .price-row,
  .quick-grid,
  .card-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 46px;
  }

  .hero-logo {
    justify-self: start;
    width: 160px;
    border-radius: 24px;
  }

  .nav {
    align-items: flex-start;
    flex-direction: column;
  }

  .nav-links {
    justify-content: flex-start;
  }
}