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

:root {
  --color-bg: #ffffff;
  --color-surface: #f8f9fb;
  --color-border: #e4e7ec;
  --color-text: #1a1f2e;
  --color-muted: #6b7280;
  --color-accent: #4f46e5;
  --color-accent-hover: #4338ca;
  --color-accent-light: #eef2ff;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --radius: 8px;
  --max-width: 860px;
  --nav-height: 64px;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.65;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

a:hover {
  color: var(--color-accent-hover);
  text-decoration: underline;
}

img { max-width: 100%; }

/* ── Nav ──────────────────────────────── */

.site-nav {
  height: var(--nav-height);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.nav-brand {
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--color-text);
  letter-spacing: -0.01em;
  white-space: nowrap;
}

.nav-brand:hover {
  color: var(--color-accent);
  text-decoration: none;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
  flex-wrap: wrap;
}

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-muted);
  padding: 6px 10px;
  border-radius: var(--radius);
  transition: background 0.15s, color 0.15s;
}

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

.nav-links a.active {
  color: var(--color-accent);
  background: var(--color-accent-light);
}

/* ── Main content ─────────────────────── */

main {
  flex: 1;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ── Hero (index only) ────────────────── */

.hero {
  padding: 80px 24px 72px;
  text-align: center;
  background: linear-gradient(160deg, #f0f1ff 0%, #ffffff 60%);
  border-bottom: 1px solid var(--color-border);
}

.hero-badge {
  display: inline-block;
  background: var(--color-accent-light);
  color: var(--color-accent);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: 999px;
  margin-bottom: 20px;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
  color: var(--color-text);
  max-width: 640px;
  margin: 0 auto 20px;
}

.hero p {
  font-size: 1.1rem;
  color: var(--color-muted);
  max-width: 520px;
  margin: 0 auto 36px;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 11px 22px;
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 600;
  transition: background 0.15s, box-shadow 0.15s;
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: var(--color-accent);
  color: #fff;
}

.btn-primary:hover {
  background: var(--color-accent-hover);
  color: #fff;
  text-decoration: none;
  box-shadow: 0 4px 12px rgba(79,70,229,0.25);
}

.btn-outline {
  background: transparent;
  color: var(--color-accent);
  border: 1.5px solid var(--color-accent);
}

.btn-outline:hover {
  background: var(--color-accent-light);
  text-decoration: none;
  color: var(--color-accent);
}

/* ── Feature cards ────────────────────── */

.features {
  padding: 64px 24px;
}

.features-grid {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: calc(var(--radius) * 1.5);
  padding: 28px 24px;
}

.card-icon {
  font-size: 1.5rem;
  margin-bottom: 12px;
  display: block;
}

.card h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 8px;
}

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

/* ── Quick links section (index) ──────── */

.quick-links {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: 48px 24px;
}

.quick-links-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  text-align: center;
}

.quick-links h2 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 20px;
}

.quick-links ul {
  list-style: none;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
}

.quick-links li a {
  font-size: 0.9rem;
  font-weight: 500;
  padding: 8px 18px;
  border: 1.5px solid var(--color-border);
  border-radius: 999px;
  color: var(--color-text);
  transition: border-color 0.15s, color 0.15s;
}

.quick-links li a:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  text-decoration: none;
}

/* ── Legal page layout ────────────────── */

.page-header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: 48px 24px 40px;
}

.page-header .container {
  padding: 0;
}

.page-header h1 {
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}

.page-header .meta {
  font-size: 0.85rem;
  color: var(--color-muted);
}

.legal-body {
  padding: 48px 24px 72px;
}

.legal-body .container {
  padding: 0;
}

.legal-body h2 {
  font-size: 1.15rem;
  font-weight: 700;
  margin: 40px 0 12px;
  color: var(--color-text);
}

.legal-body h2:first-child {
  margin-top: 0;
}

.legal-body p {
  font-size: 0.95rem;
  color: #374151;
  margin-bottom: 14px;
}

.legal-body ul {
  margin: 0 0 14px 20px;
}

.legal-body ul li {
  font-size: 0.95rem;
  color: #374151;
  margin-bottom: 6px;
}

.legal-body a {
  color: var(--color-accent);
}

.divider {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: 40px 0;
}

/* ── Support page ─────────────────────── */

.support-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin: 24px 0;
}

.support-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 24px 20px;
}

.support-card .icon {
  font-size: 1.4rem;
  margin-bottom: 10px;
  display: block;
}

.support-card h3 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.support-card p {
  font-size: 0.875rem;
  color: var(--color-muted);
  margin: 0;
}

.contact-box {
  background: var(--color-accent-light);
  border: 1.5px solid #c7d2fe;
  border-radius: calc(var(--radius) * 1.5);
  padding: 32px 28px;
  margin-top: 32px;
}

.contact-box h2 {
  margin-top: 0 !important;
}

.contact-box a {
  font-weight: 600;
}

/* ── Footer ───────────────────────────── */

footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: 32px 24px;
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.footer-brand {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--color-text);
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  list-style: none;
}

.footer-nav a {
  font-size: 0.85rem;
  color: var(--color-muted);
  padding: 4px 8px;
  border-radius: 4px;
}

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

.footer-copy {
  font-size: 0.8rem;
  color: var(--color-muted);
  width: 100%;
  margin-top: 8px;
}

/* ── Pricing ──────────────────────────── */

.pricing {
  max-width: 860px;
  margin: 0 auto;
  padding: 64px 24px;
  text-align: center;
}

.pricing h2 {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.pricing-subtitle {
  color: var(--color-muted);
  margin-bottom: 40px;
}

.pricing-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  max-width: 680px;
  margin: 0 auto;
}

.pricing-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 14px;
  padding: 32px 28px;
  text-align: left;
  position: relative;
}

.pricing-card--pro {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px var(--color-primary);
}

.plan-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-primary);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 4px 14px;
  border-radius: 99px;
}

.plan-name {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 8px;
}

.plan-price {
  font-size: 2.25rem;
  font-weight: 800;
  margin-bottom: 4px;
}

.plan-price span {
  font-size: 1rem;
  font-weight: 400;
  color: var(--color-muted);
}

.plan-trial {
  font-size: 0.82rem;
  color: var(--color-primary);
  font-weight: 600;
  margin-bottom: 20px;
}

.plan-features {
  list-style: none;
  padding: 0;
  margin: 16px 0 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.plan-features li {
  font-size: 0.92rem;
  padding-left: 20px;
  position: relative;
  color: var(--color-text);
}

.plan-features li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: 700;
}

@media (max-width: 600px) {
  .pricing-grid {
    grid-template-columns: 1fr;
  }
}

/* ── Responsive ───────────────────────── */

@media (max-width: 600px) {
  .nav-links a {
    font-size: 0.82rem;
    padding: 5px 8px;
  }

  .hero {
    padding: 56px 20px 52px;
  }

  .features, .quick-links, .legal-body {
    padding-left: 16px;
    padding-right: 16px;
  }

  .page-header {
    padding: 36px 16px 28px;
  }

  .contact-box {
    padding: 24px 20px;
  }
}