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

:root {
  --bg: #0e0e10;
  --surface: #1a1a1f;
  --border: #2a2a30;
  --text: #e4e4e7;
  --muted: #9191a0;
  --accent: #3b82f6;
  --accent-hover: #2563eb;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

a:hover {
  text-decoration: underline;
}

/* Nav */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(14, 14, 16, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 0 1.5rem;
}

.nav-inner {
  max-width: 960px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 56px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
}

.logo img {
  width: 32px;
  height: 32px;
  object-fit: contain;
}

.nav-links {
  display: flex;
  gap: 1.5rem;
  list-style: none;
}

.nav-links a {
  color: var(--muted);
  font-size: 0.9rem;
  transition: color 0.2s;
}

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

/* Sections */
section {
  padding: 5rem 1.5rem;
}

.container {
  max-width: 960px;
  margin: 0 auto;
}

/* Hero */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding-top: 56px;
}

.hero h1 {
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.hero .tagline {
  font-size: clamp(1.1rem, 2.5vw, 1.35rem);
  color: var(--muted);
  max-width: 520px;
  margin: 0 auto 2.5rem;
}

.hero .cta {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  padding: 0.8rem 2rem;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  transition: background 0.2s;
}

.hero .cta:hover {
  background: var(--accent-hover);
  text-decoration: none;
}

/* Features */
.features {
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.features h2 {
  text-align: center;
  font-size: 1.8rem;
  margin-bottom: 3rem;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
}

.feature-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.75rem;
}

.feature-card .icon {
  font-size: 1.75rem;
  margin-bottom: 0.75rem;
}

.feature-card h3 {
  font-size: 1.1rem;
  margin-bottom: 0.4rem;
}

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

/* Pricing */
.pricing {
  text-align: center;
}

.pricing h2 {
  font-size: 1.8rem;
  margin-bottom: 1rem;
}

.pricing .subtitle {
  color: var(--muted);
  margin-bottom: 2.5rem;
}

.price-box {
  display: inline-block;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2.5rem 3rem;
  text-align: center;
}

.price-box .amount {
  font-size: 3rem;
  font-weight: 800;
}

.price-box .period {
  color: var(--muted);
  font-size: 0.95rem;
  margin-bottom: 1rem;
}

.price-box .trial {
  display: inline-block;
  background: rgba(59, 130, 246, 0.12);
  color: var(--accent);
  padding: 0.4rem 1rem;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-top: 0.5rem;
}

/* Contact */
.contact {
  background: var(--surface);
  border-top: 1px solid var(--border);
  text-align: center;
}

.contact h2 {
  font-size: 1.8rem;
  margin-bottom: 0.75rem;
}

.contact p {
  color: var(--muted);
  margin-bottom: 1.5rem;
}

.contact .email {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--bg);
  border: 1px solid var(--border);
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  font-size: 1rem;
  color: var(--text);
}

/* Footer */
footer {
  padding: 2rem 1.5rem;
  text-align: center;
  color: var(--muted);
  font-size: 0.85rem;
  border-top: 1px solid var(--border);
}

footer a {
  color: var(--muted);
}

footer a:hover {
  color: var(--text);
}

footer .sep {
  margin: 0 0.5rem;
}

@media (max-width: 600px) {
  .nav-links {
    gap: 1rem;
  }

  .price-box {
    padding: 2rem 1.5rem;
  }

  section {
    padding: 3.5rem 1.25rem;
  }
}