* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #050814;
  color: #ffffff;
}

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

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

.narrow {
  width: min(820px, calc(100% - 40px));
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(5, 8, 20, 0.88);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.nav {
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.logo {
  font-size: 24px;
  font-weight: 700;
  letter-spacing: 0.4px;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

.nav-links a {
  color: #d1d5db;
  font-size: 15px;
}

.nav-links a:hover {
  color: #ffffff;
}

.hero {
  min-height: 88vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 90px 20px 70px;
  text-align: center;
  background:
    radial-gradient(circle at top, rgba(124, 58, 237, 0.35), transparent 36%),
    linear-gradient(180deg, #040814 0%, #060b1d 100%);
}

.hero-inner {
  max-width: 860px;
}

.eyebrow {
  margin: 0 0 14px;
  font-size: 14px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: #a5b4fc;
}

h1 {
  margin: 0;
  font-size: clamp(48px, 7vw, 88px);
  line-height: 1.02;
}

.subtitle {
  margin: 24px auto 0;
  max-width: 760px;
  font-size: 24px;
  line-height: 1.6;
  color: #d1d5db;
}

.hero-buttons {
  margin-top: 34px;
}

.btn {
  display: inline-block;
  margin: 8px;
  padding: 15px 24px;
  border-radius: 12px;
  font-weight: 700;
  transition: 0.2s ease;
}

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

.btn-primary {
  background: linear-gradient(135deg, #7c3aed, #9333ea);
  color: #ffffff;
  box-shadow: 0 0 24px rgba(124, 58, 237, 0.28);
}

.btn-secondary {
  border: 1px solid #374151;
  color: #ffffff;
  background: rgba(255, 255, 255, 0.02);
}

.intro-strip {
  padding: 0 0 40px;
  margin-top: -28px;
}

.card-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.card,
.feature-card,
.content-card,
.faq-item,
.board-card {
  background: rgba(13, 19, 38, 0.96);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 20px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.22);
}

.card {
  padding: 26px;
}

.card h2,
.feature-card h3,
.faq-item h3 {
  margin-top: 0;
}

.card p,
.feature-card p,
.content-card p,
.faq-item p {
  color: #d1d5db;
  line-height: 1.7;
}

.section {
  padding: 92px 0;
}

.alt-section {
  background: linear-gradient(180deg, rgba(15, 21, 40, 0.7), rgba(8, 12, 24, 0.9));
}

.section-heading {
  margin-bottom: 30px;
}

.section-kicker {
  margin: 0 0 10px;
  color: #a5b4fc;
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 13px;
}

.section-heading h2 {
  margin: 0 0 12px;
  font-size: 42px;
}

.section-heading p {
  margin: 0;
  color: #cbd5e1;
  line-height: 1.7;
  max-width: 760px;
}

.selector-panel {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-bottom: 26px;
}

.selector-group {
  background: rgba(13, 19, 38, 0.92);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 18px;
  padding: 18px;
}

.selector-group label {
  display: block;
  margin-bottom: 10px;
  font-size: 14px;
  color: #cbd5e1;
}

.selector-group select {
  width: 100%;
  padding: 14px 14px;
  border-radius: 12px;
  border: 1px solid #334155;
  background: #0b1224;
  color: #ffffff;
  font-size: 15px;
}

.board-card {
  overflow: hidden;
}

.board-header {
  padding: 24px 24px 8px;
}

.board-header h3 {
  margin: 0;
  font-size: 28px;
}

.board-header p {
  margin: 8px 0 0;
  color: #a5b4fc;
}

.table-wrap {
  width: 100%;
  overflow-x: auto;
  padding: 0 24px 24px;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 860px;
}

th,
td {
  text-align: left;
  padding: 18px 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

th {
  color: #cbd5e1;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

td {
  color: #ffffff;
}

.watch-btn {
  padding: 10px 14px;
  border: none;
  border-radius: 10px;
  background: linear-gradient(135deg, #7c3aed, #9333ea);
  color: #ffffff;
  font-weight: 700;
  cursor: pointer;
}

.muted-btn {
  background: #1f2937;
  color: #9ca3af;
  cursor: default;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.feature-card,
.content-card,
.faq-item {
  padding: 26px;
}

.faq-list {
  display: grid;
  gap: 18px;
}

@media (max-width: 980px) {
  .nav {
    flex-direction: column;
    align-items: flex-start;
    padding: 18px 0;
  }

  .card-row,
  .feature-grid,
  .selector-panel {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding: 110px 20px 70px;
  }

  .subtitle {
    font-size: 20px;
  }

  .section-heading h2 {
    font-size: 34px;
  }
}

@media (max-width: 640px) {
  .container,
  .narrow {
    width: min(100% - 24px, 1120px);
  }

  .logo {
    font-size: 22px;
  }

  .nav-links {
    gap: 12px;
  }

  .nav-links a {
    font-size: 14px;
  }

  .btn {
    width: calc(100% - 16px);
    max-width: 320px;
  }

  .board-header h3 {
    font-size: 24px;
  }

  th,
  td {
    padding: 14px 10px;
  }
}