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

:root {
  --bg: #121212;
  --bg-card: #1e1e1e;
  --text: rgba(255, 255, 255, 0.95);
  --text-muted: #b0b0b0;
  --text-tertiary: #666666;
  --accent: #9be85c;
  --accent-hover: #b0f074;
  --accent-green: #9be85c;
  --border: #2c2c2c;
  --radius: 12px;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---- Header ---- */

.header {
  padding: 24px 0;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(18, 18, 18, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.02em;
}

/* ---- Hero ---- */

.hero {
  padding: 180px 0 120px;
  text-align: center;
}

.hero-badge {
  display: inline-block;
  padding: 6px 16px;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 100px;
  margin-bottom: 32px;
}

.hero h1 {
  font-size: clamp(2.8rem, 7vw, 5rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}

.hero-sub {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 520px;
  margin: 0 auto 40px;
  line-height: 1.7;
}

/* ---- Waitlist Form ---- */

.waitlist-form {
  display: flex;
  gap: 12px;
  max-width: 440px;
  margin: 0 auto;
}

.waitlist-form input[type="email"] {
  flex: 1;
  padding: 14px 18px;
  font-size: 1rem;
  font-family: inherit;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  outline: none;
  transition: border-color 0.2s;
}

.waitlist-form input[type="email"]::placeholder {
  color: var(--text-tertiary);
}

.waitlist-form input[type="email"]:focus {
  border-color: var(--accent);
}

.waitlist-form button {
  padding: 14px 28px;
  font-size: 1rem;
  font-weight: 600;
  font-family: inherit;
  background: var(--accent);
  color: #121212;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.2s;
}

.waitlist-form button:hover {
  background: var(--accent-hover);
}

.waitlist-note {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 16px;
  text-align: center;
}

/* ---- Features ---- */

.features {
  padding: 100px 0;
}

.features h2 {
  font-size: 2rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 56px;
  letter-spacing: -0.02em;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 32px;
  transition: border-color 0.2s;
}

.feature-card:hover {
  border-color: #3a3a3a;
}

.feature-icon {
  color: var(--accent);
  margin-bottom: 20px;
}

.feature-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}

.feature-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* ---- CTA Section ---- */

.cta-section {
  padding: 100px 0;
  text-align: center;
  border-top: 1px solid var(--border);
}

.cta-section h2 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.cta-section > .container > p {
  color: var(--text-muted);
  font-size: 1.1rem;
  margin-bottom: 36px;
}

/* ---- Footer ---- */

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

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-logo {
  font-weight: 800;
  font-size: 1.1rem;
  letter-spacing: -0.02em;
}

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

/* ---- Responsive ---- */

@media (max-width: 640px) {
  .hero {
    padding: 140px 0 80px;
  }

  .waitlist-form {
    flex-direction: column;
  }

  .waitlist-form button {
    width: 100%;
  }

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

  .footer-content {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
}