:root {
  --bg: #0a1022;
  --surface: #131b34;
  --surface-2: #1a2445;
  --primary: #3d8bff;
  --primary-2: #1fc7d4;
  --text: #edf2ff;
  --muted: #b6c2e4;
  --border: #2b3a6b;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  font-family: "Inter", sans-serif;
  color: var(--text);
  background: linear-gradient(180deg, #070c1b 0%, #0d1430 100%);
  scroll-behavior: smooth;
}

.container {
  width: min(1120px, 92%);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 99;
  background: rgba(10, 16, 34, 0.9);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(8px);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
}

.logo {
  color: var(--text);
  text-decoration: none;
  font-weight: 800;
  letter-spacing: 0.4px;
}

.site-nav {
  display: flex;
  gap: 1rem;
}

.site-nav a {
  text-decoration: none;
  color: var(--muted);
  font-weight: 500;
}

.site-nav a:hover {
  color: var(--text);
}

.menu-toggle {
  display: none;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--surface-2);
  color: var(--text);
  padding: 0.5rem 0.75rem;
}

.hero {
  padding: 4rem 0 3rem;
}

.hero-content {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 2rem;
  align-items: center;
}

.eyebrow {
  color: var(--primary-2);
  font-weight: 600;
  margin-bottom: 0.5rem;
}

h1 {
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  line-height: 1.15;
  margin: 0;
}

.lead {
  color: var(--muted);
  font-size: 1.05rem;
  margin-top: 1rem;
  max-width: 60ch;
}

.hero-actions {
  margin-top: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.btn {
  border: 0;
  border-radius: 12px;
  padding: 0.8rem 1.1rem;
  text-decoration: none;
  font-weight: 700;
  cursor: pointer;
  display: inline-block;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), #6c7dff);
  color: #fff;
}

.btn-secondary {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
}

.hero-card {
  background: linear-gradient(180deg, var(--surface-2), var(--surface));
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 1.25rem;
}

.hero-card h2 {
  margin-top: 0;
  font-size: 1.1rem;
}

.countdown {
  color: var(--primary-2);
  font-weight: 800;
  font-size: 1.25rem;
  margin: 0.25rem 0 0.5rem;
}

.hero-card ul {
  margin: 0.25rem 0 0;
  padding-left: 1.1rem;
  color: var(--muted);
}

.section {
  padding: 4rem 0;
}

h2 {
  font-size: clamp(1.5rem, 3.5vw, 2.2rem);
  margin: 0 0 1rem;
}

.section-intro {
  color: var(--muted);
  margin-top: 0;
}

.track-grid,
.feature-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card,
.feature-item {
  background: linear-gradient(180deg, var(--surface), #101935);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1rem;
}

.card h3,
.feature-item h3 {
  margin-top: 0;
}

.card p,
.card li,
.feature-item p {
  color: var(--muted);
}

.card ul {
  margin: 0.75rem 0 0;
  padding-left: 1rem;
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: 16px;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 620px;
}

th,
td {
  padding: 0.9rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

thead th {
  color: var(--text);
  background: #121c3a;
}

tbody td {
  color: var(--muted);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  align-items: start;
}

.contact-form {
  background: linear-gradient(180deg, var(--surface), #101936);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1rem;
  display: grid;
  gap: 0.5rem;
}

label {
  font-weight: 600;
  font-size: 0.95rem;
}

input,
select {
  border: 1px solid var(--border);
  background: #0c152e;
  color: var(--text);
  border-radius: 10px;
  padding: 0.7rem 0.8rem;
}

.site-footer {
  border-top: 1px solid var(--border);
  padding: 1.2rem 0;
}

.site-footer p {
  margin: 0;
  color: var(--muted);
  text-align: center;
}

@media (max-width: 900px) {
  .hero-content,
  .track-grid,
  .feature-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .site-nav {
    position: absolute;
    top: 72px;
    right: 4%;
    background: #0d1733;
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 0.75rem;
    flex-direction: column;
    min-width: 190px;
    display: none;
  }

  .site-nav.open {
    display: flex;
  }

  .menu-toggle {
    display: inline-block;
  }
}
