/* ── Reset & base ─────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:      #0A0F1E;
  --panel:   #111827;
  --teal:    #00C9A7;
  --amber:   #F59E0B;
  --text:    #E2E8F0;
  --muted:   #94A3B8;
  --font:    'Inter', system-ui, sans-serif;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ── Nav ──────────────────────────────────────────────────── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  padding: 1.25rem 3rem;
  display: flex;
  align-items: center;
}

.wordmark {
  font-size: 1.25rem;
  font-weight: 600;
  color: #fff;
  letter-spacing: -0.01em;
}

/* ── Hero ─────────────────────────────────────────────────── */
.hero {
  position: relative;
  flex: 1;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 6rem 1.5rem 4rem;
  overflow: hidden;
}

.glow {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(ellipse 60% 40% at 50% 0%, rgba(0,201,167,0.12) 0%, transparent 70%);
}

.overline {
  font-size: 0.7rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: var(--teal);
  margin-bottom: 1.25rem;
}

h1 {
  font-size: clamp(2.25rem, 6vw, 4rem);
  font-weight: 700;
  color: #fff;
  line-height: 1.15;
  letter-spacing: -0.02em;
  max-width: 800px;
  margin-bottom: 1.5rem;
}

.subtitle {
  font-size: 1.1rem;
  color: var(--muted);
  max-width: 520px;
  line-height: 1.7;
  margin-bottom: 2rem;
}

.badge {
  display: inline-block;
  padding: 0.35rem 1rem;
  border-radius: 999px;
  border: 1px solid rgba(0,201,167,0.3);
  background: rgba(0,201,167,0.08);
  color: var(--teal);
  font-size: 0.85rem;
  font-weight: 500;
}

/* ── Feature strip ────────────────────────────────────────── */
.features {
  background: var(--panel);
  padding: 5rem 1.5rem;
}

.features-grid {
  max-width: 960px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 3rem;
}

.feature .icon {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 0.5rem;
  background: rgba(0,201,167,0.1);
  color: var(--teal);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
}

.feature .icon svg {
  width: 1.25rem;
  height: 1.25rem;
}

.feature h3 {
  font-size: 1rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 0.5rem;
}

.feature p {
  font-size: 0.9rem;
  color: var(--muted);
  line-height: 1.65;
}

/* ── Footer ───────────────────────────────────────────────── */
footer {
  padding: 1.75rem 3rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--muted);
  background: var(--bg);
}

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 768px) {
  nav { padding: 1.25rem 1.5rem; }
  footer { padding: 1.5rem; flex-direction: column; gap: 0.5rem; text-align: center; }

  .features-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}