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

:root {
  --white: #ffffff;
  --zinc-50: #fafafa;
  --zinc-100: #f4f4f5;
  --zinc-200: #e4e4e7;
  --zinc-300: #d4d4d8;
  --zinc-400: #a1a1aa;
  --zinc-500: #71717a;
  --zinc-600: #52525b;
  --zinc-700: #3f3f46;
  --zinc-800: #27272a;
  --zinc-900: #18181b;
  --blue-500: #3b82f6;
  --blue-600: #2563eb;
  --green-500: #22c55e;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--zinc-900);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

/* Container */
.container {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Navigation */
nav {
  padding: 20px 0;
  border-bottom: 1px solid var(--zinc-100);
}

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

.nav-logo {
  font-size: 15px;
  font-weight: 600;
  color: var(--zinc-900);
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-logo svg {
  width: 20px;
  height: 20px;
  color: var(--zinc-900);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
}

.nav-links a {
  font-size: 14px;
  color: var(--zinc-500);
  transition: color 0.15s;
}

.nav-links a:hover {
  color: var(--zinc-900);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  border: none;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}

.btn-primary {
  background: var(--zinc-900);
  color: var(--white);
}

.btn-primary:hover {
  background: var(--zinc-700);
}

.btn-secondary {
  background: var(--zinc-100);
  color: var(--zinc-700);
}

.btn-secondary:hover {
  background: var(--zinc-200);
}

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

.hero-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 24px;
  color: var(--zinc-900);
}

.hero h1 {
  font-size: 32px;
  font-weight: 700;
  letter-spacing: -0.5px;
  margin-bottom: 12px;
  color: var(--zinc-900);
}

.hero p {
  font-size: 17px;
  color: var(--zinc-500);
  max-width: 460px;
  margin: 0 auto 32px;
  line-height: 1.6;
}

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

/* Section */
.section {
  padding: 64px 0;
}

.section-border {
  border-top: 1px solid var(--zinc-100);
}

.section-title {
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--zinc-400);
  margin-bottom: 32px;
  text-align: center;
}

/* Features */
.features-grid {
  display: grid;
  gap: 0;
}

.feature {
  padding: 20px 0;
  border-bottom: 1px solid var(--zinc-100);
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.feature:last-child {
  border-bottom: none;
}

.feature-icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  color: var(--zinc-400);
  margin-top: 2px;
}

.feature-content h3 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 4px;
  color: var(--zinc-900);
}

.feature-content p {
  font-size: 14px;
  color: var(--zinc-500);
  line-height: 1.5;
}

/* Pricing */
.pricing-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.pricing-card {
  border: 1px solid var(--zinc-200);
  border-radius: 12px;
  padding: 28px;
  position: relative;
}

.pricing-card.popular {
  border-color: var(--zinc-900);
}

.pricing-badge {
  position: absolute;
  top: -10px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--zinc-900);
  color: var(--white);
  font-size: 11px;
  font-weight: 600;
  padding: 2px 10px;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.pricing-card h3 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 4px;
}

.pricing-card .price {
  font-size: 32px;
  font-weight: 700;
  letter-spacing: -1px;
  margin-bottom: 4px;
}

.pricing-card .price span {
  font-size: 14px;
  font-weight: 400;
  color: var(--zinc-500);
  letter-spacing: 0;
}

.pricing-card .price-note {
  font-size: 13px;
  color: var(--zinc-400);
  margin-bottom: 20px;
}

.pricing-features {
  list-style: none;
  margin-bottom: 24px;
}

.pricing-features li {
  font-size: 14px;
  color: var(--zinc-600);
  padding: 5px 0;
  display: flex;
  align-items: center;
  gap: 8px;
}

.pricing-features li::before {
  content: "";
  display: inline-block;
  width: 16px;
  height: 16px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='%2322c55e'%3E%3Cpath fill-rule='evenodd' d='M16.707 5.293a1 1 0 010 1.414l-8 8a1 1 0 01-1.414 0l-4-4a1 1 0 011.414-1.414L8 12.586l7.293-7.293a1 1 0 011.414 0z' clip-rule='evenodd'/%3E%3C/svg%3E");
  background-size: contain;
  flex-shrink: 0;
}

.pricing-card .btn {
  width: 100%;
  justify-content: center;
}

/* Footer */
footer {
  padding: 32px 0;
  border-top: 1px solid var(--zinc-100);
}

footer .container {
  text-align: center;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-bottom: 16px;
}

.footer-links a {
  font-size: 13px;
  color: var(--zinc-400);
  transition: color 0.15s;
}

.footer-links a:hover {
  color: var(--zinc-600);
}

.footer-copy {
  font-size: 13px;
  color: var(--zinc-400);
}

/* Legal Pages */
.legal {
  padding: 64px 0;
}

.legal h1 {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 8px;
  letter-spacing: -0.5px;
}

.legal .last-updated {
  font-size: 14px;
  color: var(--zinc-400);
  margin-bottom: 40px;
}

.legal h2 {
  font-size: 17px;
  font-weight: 600;
  margin-top: 32px;
  margin-bottom: 12px;
  color: var(--zinc-900);
}

.legal p,
.legal ul {
  font-size: 15px;
  color: var(--zinc-600);
  line-height: 1.7;
  margin-bottom: 16px;
}

.legal ul {
  padding-left: 24px;
}

.legal li {
  margin-bottom: 6px;
}

.legal a {
  color: var(--zinc-900);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.legal a:hover {
  color: var(--zinc-600);
}

/* Responsive */
@media (max-width: 600px) {
  .hero {
    padding: 56px 0 48px;
  }

  .hero h1 {
    font-size: 26px;
  }

  .hero p {
    font-size: 15px;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

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

  .nav-links {
    gap: 16px;
  }

  .nav-links a.hide-mobile {
    display: none;
  }
}