:root {
  color-scheme: dark;
  --midnight: #1A1A2E;
  --dark-slate: #16213E;
  --teal: #00D4AA;
  --coral: #E94560;
  --ice: #F7F9FC;
  --gray: #94A3B8;
  --glass: rgba(255, 255, 255, 0.04);
  --border: rgba(255, 255, 255, 0.08);
  --shadow: 0 18px 45px rgba(0, 0, 0, 0.35);
  --radius-lg: 18px;
  --radius-md: 12px;
  --radius-sm: 10px;
  --max-width: 1100px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  background: radial-gradient(1200px 800px at 15% -10%, rgba(0, 212, 170, 0.18), transparent 55%),
    radial-gradient(800px 700px at 85% 10%, rgba(233, 69, 96, 0.12), transparent 50%),
    linear-gradient(180deg, #121225 0%, #101827 40%, #0d1424 100%);
  color: var(--ice);
  line-height: 1.6;
}

img {
  max-width: 100%;
  display: block;
}

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

a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 3px;
  border-radius: 8px;
}

.container {
  width: min(var(--max-width), 100%);
  margin: 0 auto;
  padding: 0 24px;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 12px;
  background: var(--teal);
  color: #0b111f;
  padding: 10px 16px;
  border-radius: 999px;
  font-weight: 600;
}

.skip-link:focus {
  left: 16px;
  z-index: 1000;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(10, 14, 26, 0.86);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  letter-spacing: 0.2px;
}

.logo-mark {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: linear-gradient(140deg, rgba(0, 212, 170, 0.22), rgba(233, 69, 96, 0.15));
  border: 1px solid var(--border);
}

.logo svg {
  width: 24px;
  height: 24px;
  display: block;
}

.nav {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  font-size: 0.95rem;
}

.nav a {
  color: var(--gray);
  transition: color 0.2s ease;
}

.nav a:hover,
.nav a:focus-visible {
  color: var(--ice);
}

.hero {
  padding: 92px 0 64px;
}

.hero-card {
  display: grid;
  gap: 20px;
  padding: 36px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(22, 33, 62, 0.9), rgba(26, 26, 46, 0.75));
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.hero h1 {
  font-size: clamp(2.6rem, 5vw, 3.6rem);
  margin: 0;
  letter-spacing: -0.5px;
}

.hero p {
  margin: 0;
  color: var(--gray);
  font-size: 1.05rem;
}

.hero .tagline {
  font-weight: 600;
  color: var(--ice);
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 20px;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  font-weight: 600;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, color 0.2s ease;
}

.button.primary {
  background: var(--teal);
  color: #0b111f;
  box-shadow: 0 12px 30px rgba(0, 212, 170, 0.22);
}

.button.secondary {
  border-color: var(--border);
  color: var(--ice);
  background: rgba(255, 255, 255, 0.02);
}

.button:hover {
  transform: translateY(-1px);
}

.section {
  padding: 64px 0;
}

.section h2 {
  margin: 0 0 18px;
  font-size: clamp(1.6rem, 2.6vw, 2.1rem);
}

.section p.lead {
  color: var(--gray);
  margin: 0 0 28px;
}

.card {
  background: var(--glass);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  padding: 24px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.25);
}

.grid-2 {
  display: grid;
  gap: 22px;
}

.grid-3 {
  display: grid;
  gap: 22px;
}

.link-list {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.link-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: rgba(8, 10, 24, 0.45);
}

.link-item span.label {
  font-weight: 600;
}

.badge {
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
  background: rgba(148, 163, 184, 0.15);
  color: var(--gray);
}

.badge.active {
  background: rgba(0, 212, 170, 0.2);
  color: var(--teal);
}

.badge.alert {
  background: rgba(233, 69, 96, 0.22);
  color: var(--coral);
}

.disabled-link {
  color: var(--gray);
  cursor: not-allowed;
}

.roadmap-col h3 {
  margin: 0 0 12px;
  font-size: 1.1rem;
}

.roadmap-col ul {
  margin: 0;
  padding-left: 18px;
  color: var(--gray);
}

.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 520px;
}

th,
td {
  text-align: left;
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
}

th {
  color: var(--ice);
  font-weight: 600;
}

td {
  color: var(--gray);
}

.faq details {
  border-bottom: 1px solid var(--border);
  padding: 14px 0;
}

.faq summary {
  cursor: pointer;
  font-weight: 600;
  list-style: none;
}

.faq summary::-webkit-details-marker {
  display: none;
}

.faq p {
  margin: 10px 0 0;
  color: var(--gray);
}

.footer {
  padding: 32px 0 48px;
  color: var(--gray);
  font-size: 0.95rem;
  border-top: 1px solid var(--border);
}

.footer a {
  color: var(--ice);
}

@media (min-width: 760px) {
  .grid-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .hero-card {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.9fr);
    align-items: center;
  }

  .hero-visual {
    justify-self: end;
  }
}

@media (max-width: 759px) {
  .nav {
    gap: 12px;
  }

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

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

  * {
    transition: none !important;
  }
}