*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg:         #080e1a;
  --bg-card:    #0d1626;
  --bg-border:  #1a2740;
  --teal:       #00d4b8;
  --teal-dim:   rgba(0, 212, 184, 0.12);
  --gold:       #c9a84c;
  --purple:     #7b5ea7;
  --text:       #dce6f0;
  --text-muted: #6b7e99;
  --mono:       ui-monospace, 'Cascadia Code', 'JetBrains Mono', 'Consolas', monospace;
  --sans:       -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --radius:     6px;
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

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

a:hover {
  text-decoration: underline;
}

/* ─── layout ─────────────────────────────────────────────── */

.container {
  max-width: 860px;
  margin: 0 auto;
  padding: 0 24px;
}

section {
  padding: 72px 0;
}

section + section {
  border-top: 1px solid var(--bg-border);
}

/* ─── hero ────────────────────────────────────────────────── */

.hero {
  text-align: center;
  padding: 80px 0 64px;
}

.hero-logo {
  width: 200px;
  height: auto;
  margin-bottom: 32px;
  filter: drop-shadow(0 0 32px rgba(0, 212, 184, 0.25));
}

.hero-tagline {
  font-size: clamp(1.15rem, 2.5vw, 1.35rem);
  color: var(--text-muted);
  max-width: 560px;
  margin: 0 auto 40px;
  line-height: 1.7;
}

.hero-tagline strong {
  color: var(--text);
}

.hero-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 22px;
  border-radius: var(--radius);
  font-family: var(--mono);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  cursor: pointer;
  transition: opacity 0.15s, box-shadow 0.15s;
  white-space: nowrap;
}

.btn-primary {
  background: var(--teal);
  color: #080e1a;
  border: none;
}

.btn-primary:hover {
  opacity: 0.88;
  text-decoration: none;
  box-shadow: 0 0 20px rgba(0, 212, 184, 0.35);
}

.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--bg-border);
}

.btn-ghost:hover {
  border-color: var(--teal);
  color: var(--teal);
  text-decoration: none;
}

/* ─── section heading ─────────────────────────────────────── */

.section-label {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 10px;
}

.section-title {
  font-size: clamp(1.4rem, 3vw, 1.9rem);
  font-weight: 700;
  color: var(--text);
  margin-bottom: 12px;
  line-height: 1.25;
}

.section-sub {
  color: var(--text-muted);
  max-width: 560px;
  margin-bottom: 48px;
}

/* ─── features ────────────────────────────────────────────── */

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--bg-border);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.feature-card:hover {
  border-color: var(--teal);
  box-shadow: 0 0 24px rgba(0, 212, 184, 0.08);
}

.feature-icon {
  font-size: 1.5rem;
  margin-bottom: 14px;
  display: block;
}

.feature-name {
  font-family: var(--mono);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 8px;
}

.feature-desc {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* ─── status ──────────────────────────────────────────────── */

.status-section {
  text-align: center;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--teal-dim);
  border: 1px solid rgba(0, 212, 184, 0.3);
  color: var(--teal);
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 5px 14px;
  border-radius: 99px;
  margin-bottom: 24px;
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--teal);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}

.status-desc {
  color: var(--text-muted);
  max-width: 520px;
  margin: 0 auto 32px;
  font-size: 0.95rem;
}

.mvp-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-bottom: 36px;
  list-style: none;
}

.mvp-list li {
  background: var(--bg-card);
  border: 1px solid var(--bg-border);
  border-radius: var(--radius);
  font-family: var(--mono);
  font-size: 0.78rem;
  padding: 4px 12px;
  color: var(--text-muted);
}

/* ─── footer ──────────────────────────────────────────────── */

.footer {
  padding: 40px 0;
  border-top: 1px solid var(--bg-border);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
}

.footer-brand {
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--text-muted);
}

.footer-brand span {
  color: var(--gold);
  font-weight: 700;
}

.footer-links {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

.footer-links a {
  font-size: 0.85rem;
  color: var(--text-muted);
  transition: color 0.15s;
}

.footer-links a:hover {
  color: var(--teal);
  text-decoration: none;
}

.footer-license {
  width: 100%;
  font-size: 0.78rem;
  color: var(--text-muted);
  opacity: 0.6;
  font-family: var(--mono);
}

/* ─── responsive ──────────────────────────────────────────── */

@media (max-width: 600px) {
  section {
    padding: 52px 0;
  }

  .hero {
    padding: 56px 0 48px;
  }

  .hero-logo {
    width: 160px;
  }

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