:root {
  --bg-base: #21232d;
  --bg-card: #2a2c39;
  --bg-deep: #0d1117;
  --border-soft: #ffffff1a;
  --text-primary: #f1f1f1;
  --text-muted: #d4d4d4;
  --accent-mint: #7ee7c1;
  --accent-cyan: #00a0cc;
  --accent-peach: #f5a97f;
  --accent-green: #00c76c;
  --font-sans: 'Manrope', Arial, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

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

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background:
    radial-gradient(60rem 40rem at 85% -10%, #2c2e3c 0%, transparent 55%),
    var(--bg-base);
  color: var(--text-primary);
  font-family: var(--font-sans);
  letter-spacing: 0.03rem;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

/* Hairline gradient divider at the top */
.top-hairline {
  position: fixed;
  inset: 0 0 auto 0;
  height: 2px;
  z-index: 50;
  background: linear-gradient(
    90deg,
    transparent,
    var(--accent-mint) 30%,
    var(--accent-cyan) 70%,
    transparent
  );
}

/* ---------- Navbar ---------- */
.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem 2.5rem;
  max-width: 72rem;
  width: 100%;
  margin: 0 auto;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-weight: 800;
  font-size: 1.15rem;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.1rem;
  height: 2.1rem;
  border-radius: 0.6rem;
  background: linear-gradient(135deg, var(--accent-mint), var(--accent-cyan));
  color: var(--bg-base);
  font-weight: 800;
  font-size: 1.1rem;
}

.brand-name {
  background: linear-gradient(90deg, var(--accent-mint), #d4f7ea);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.nav-links {
  display: flex;
  gap: 1.75rem;
}

.nav-link {
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s ease;
}

.nav-link:hover {
  color: var(--accent-mint);
}

/* ---------- Hero ---------- */
main {
  flex: 1;
  display: flex;
  align-items: center;
}

.hero {
  position: relative;
  max-width: 48rem;
  width: 100%;
  margin: 0 auto;
  padding: 4rem 2.5rem 6rem;
  text-align: center;
  overflow: hidden;
}

/* Ambient glows */
.ambient {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  pointer-events: none;
  z-index: 0;
}

.ambient-mint {
  width: 22rem;
  height: 22rem;
  top: -4rem;
  right: -6rem;
  background: radial-gradient(circle, var(--accent-mint), transparent 70%);
  opacity: 0.12;
}

.ambient-peach {
  width: 20rem;
  height: 20rem;
  bottom: -5rem;
  left: -6rem;
  background: radial-gradient(circle, var(--accent-peach), transparent 70%);
  opacity: 0.1;
}

.hero > * {
  position: relative;
  z-index: 1;
}

/* Kicker badge */
.kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.4rem 1rem;
  border-radius: 9999px;
  background: var(--border-soft);
  border: 1px solid var(--border-soft);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08rem;
  text-transform: uppercase;
  color: var(--accent-mint);
  margin-bottom: 2.25rem;
}

.kicker-dot {
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  background: var(--accent-green);
  animation: pulse 1.8s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.35; transform: scale(0.75); }
}

/* Title */
.title {
  font-size: clamp(2.75rem, 7vw, 4.5rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.02em;
  text-shadow: 0 2px 30px rgba(0, 0, 0, 0.45);
  margin-bottom: 1.5rem;
}

.title-accent {
  display: block;
  background: linear-gradient(90deg, var(--accent-mint), #d4f7ea);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Subtitle */
.subtitle {
  max-width: 34rem;
  margin: 0 auto 2.75rem;
  color: var(--text-muted);
  font-size: 1.05rem;
  line-height: 1.7;
}

/* Waitlist form */
.waitlist {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.waitlist-input {
  flex: 1 1 16rem;
  max-width: 22rem;
  padding: 0.9rem 1.25rem;
  border-radius: 9999px;
  border: 1px solid var(--border-soft);
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(8px);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.waitlist-input::placeholder {
  color: #8a8ea3;
}

.waitlist-input:focus {
  border-color: var(--accent-mint);
  box-shadow: 0 0 0 3px rgba(126, 231, 193, 0.18);
}

.waitlist-btn {
  padding: 0.9rem 1.75rem;
  border: none;
  border-radius: 9999px;
  background: linear-gradient(90deg, var(--accent-mint), var(--accent-peach));
  color: #12131a;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.03rem;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.2s ease;
}

.waitlist-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(126, 231, 193, 0.25);
}

.waitlist-btn:active {
  transform: translateY(0);
}

.form-status {
  flex-basis: 100%;
  margin-top: 1rem;
  font-size: 0.9rem;
  font-weight: 600;
  min-height: 1.2rem;
}

.form-status.success { color: var(--accent-green); }
.form-status.error { color: #ff6b6b; }

/* Features */
.features {
  list-style: none;
  display: flex;
  justify-content: center;
  gap: 2.5rem;
  flex-wrap: wrap;
  margin-top: 3.5rem;
}

.feature {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-muted);
}

.feature-icon {
  color: var(--accent-mint);
  font-size: 0.85rem;
}

/* ---------- Footer ---------- */
.footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  padding: 1.75rem 2.5rem 2.25rem;
  max-width: 72rem;
  width: 100%;
  margin: 0 auto;
  border-top: 1px solid var(--border-soft);
}

.footer-copy {
  color: var(--text-muted);
  font-size: 0.85rem;
}

.footer-domain {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent-mint);
}

.footer-monospace {
  padding: 0.15rem 0.6rem;
  border: 1px solid var(--border-soft);
  border-radius: 0.4rem;
  background: rgba(255, 255, 255, 0.04);
}

/* ---------- Utilities ---------- */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* ---------- Responsive ---------- */
@media (max-width: 640px) {
  .navbar {
    padding: 1.25rem 1.5rem;
  }

  .nav-links {
    gap: 1.1rem;
  }

  .hero {
    padding: 3rem 1.5rem 5rem;
  }

  .footer {
    flex-direction: column;
    justify-content: center;
    text-align: center;
    padding: 1.5rem 1.5rem 2rem;
  }
}