:root {
  --bg: #ffffff;
  --text: #111827;
  --muted: #6b7280;
  --border: #e5e7eb;
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --accent: #7c3aed;
  --card: #ffffff;
  --shadow: 0 2px 8px rgba(0,0,0,0.06);
  --radius: 12px;
}

* { box-sizing: border-box; }
body { margin: 0; font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, sans-serif; background: var(--bg); color: #0b1220; -webkit-font-smoothing: antialiased; font-synthesis: none; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 2rem; }
.gradient-text { background: linear-gradient(90deg, #facc15, #fb923c); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero-gradient {
  background:
    radial-gradient(1200px 500px at 50% -200px, rgba(59,130,246,0.25), rgba(59,130,246,0) 60%),
    linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #111827 100%);
  color: #fff;
}

/* Header */
.site-header { position: sticky; top: 0; width: 100%; background: rgba(255,255,255,0.95); backdrop-filter: blur(8px); border-bottom: 1px solid var(--border); z-index: 50; }
.nav { display: flex; align-items: center; justify-content: space-between; height: 4rem; }
.brand { display: flex; align-items: center; gap: .5rem; font-weight: 700; font-size: 1.125rem; text-decoration: none; color: inherit; }
.brand .gradient-text { text-decoration: none; }
.brand:focus-visible { outline: 2px solid var(--primary); outline-offset: 3px; border-radius: 8px; }
.nav-links { display: flex; align-items: center; gap: 2rem; }
.nav-links a { color: #374151; text-decoration: none; font-weight: 600; }

/* Buttons */
.cta-button { display: inline-flex; align-items: center; justify-content: center; gap: .5rem; background: var(--primary); color: #ffffff !important; border: none; border-radius: 10px; padding: .8rem 1.6rem; font-size: 1.0625rem; font-weight: 700; cursor: pointer; transition: background .2s, box-shadow .2s; text-decoration: none; letter-spacing: .01em; text-align: center; min-height: 44px; min-width: 12ch; }
.cta-button:hover { background: var(--primary-dark); box-shadow: 0 6px 18px rgba(37,99,235,0.35); }
.cta-button--light { background: #ffffff; color: #0b1220 !important; border: 1px solid #c7d2fe; }
.cta-button--light:hover { background: #f3f4f6; }
.pulse-glow { box-shadow: 0 0 0 0 rgba(37,99,235,.4); animation: pulse 2s infinite; }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(37,99,235,.4); } 70% { box-shadow: 0 0 0 16px rgba(37,99,235,0); } 100% { box-shadow: 0 0 0 0 rgba(37,99,235,0); } }

/* Cards */
.card { background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow); padding: 2rem; border: 1px solid var(--border); transition: transform .15s ease, box-shadow .2s ease, border-color .2s ease; }
.card:hover { transform: translateY(-2px); box-shadow: 0 10px 24px rgba(0,0,0,0.08); border-color: #c7d2fe; }
.stats-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; max-width: 800px; margin: 0 auto; }
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
.pricing-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 2rem; max-width: 860px; margin: 0 auto; }

/* Feature icons */
.feature-icon { width: 48px; height: 48px; border-radius: 12px; display: inline-flex; align-items: center; justify-content: center; margin-bottom: .75rem; border: 1px solid rgba(0,0,0,0.06); }
.icon--blue { background: #dbeafe; color: #2563eb; border-color: #bfdbfe; }
.icon--purple { background: #ede9fe; color: #7c3aed; border-color: #ddd6fe; }
.icon--green { background: #dcfce7; color: #16a34a; border-color: #bbf7d0; }
.icon--red { background: #fee2e2; color: #dc2626; border-color: #fecaca; }
.icon--yellow { background: #fef9c3; color: #ca8a04; border-color: #fef08a; }
.icon--indigo { background: #e0e7ff; color: #4f46e5; border-color: #c7d2fe; }

/* Checklist */
.checklist { list-style: none; padding: 0; margin: 0 0 1.5rem 0; display: grid; gap: .5rem; text-align: left; }
.checklist li { display: flex; align-items: flex-start; gap: .5rem; color: #374151; }
.checklist .icon { flex: 0 0 22px; width: 22px; height: 22px; border-radius: 9999px; display: inline-flex; align-items: center; justify-content: center; border: 1px solid #a7f3d0; background: #ecfdf5; color: #10b981; margin-top: 2px; }
.checklist .text { display: inline-block; }

/* Two-column content */
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: center; }
.two-col + .two-col { margin-top: 3rem; }
.image-placeholder { height: 360px; border-radius: 16px; border: 1px solid #c7d2fe; background: linear-gradient(135deg, rgba(37,99,235,0.10), rgba(124,58,237,0.10)); box-shadow: var(--shadow); display: flex; align-items: center; justify-content: center; color: #334155; }
.feature-image { display:block; width: 100%; height: 360px; object-fit: cover; border-radius: 16px; border: 1px solid #c7d2fe; box-shadow: var(--shadow); background: #f8fafc; }

/* Sections */
section { scroll-margin-top: 5rem; }
.section { padding: 5rem 0; }
.section--alt { background: #f1f5f9; }
.section--alt-2 { background: #f8fafc; }
.section--tint { background: linear-gradient(180deg, #eef2ff 0%, #f5f3ff 100%); }

/* Footer */
footer { background: #111827; color: #fff; padding: 4rem 0 2rem; }
.footer-logo { background: linear-gradient(90deg, var(--primary), var(--accent)); border-radius: .5rem; padding: .5rem; display: inline-block; }
.footer-links { color: #e5e7eb; text-decoration: none; }
.footer-links:hover, .footer-links:focus { color: #ffffff; text-decoration: underline; text-underline-offset: 3px; }
.footer-links:focus-visible { outline: 2px solid #ffffff; outline-offset: 2px; border-radius: 4px; }

/* Typography */
h1, h2, h3 { margin: 0; line-height: 1.1; letter-spacing: -0.02em; }
h1 { font-size: clamp(2.25rem, 4vw + 1rem, 3.25rem); color: #0b1220; }
h2 { font-size: clamp(1.75rem, 2.5vw + 1rem, 2.5rem); }
h3 { font-size: 1.25rem; font-weight: 600; }
p { color: #374151; font-size: 1.0625rem; line-height: 1.65; }
.hero-gradient p { color: #e5e7eb; }
.card h3 { color: #0b1220; margin-top: 0; }
.card p { color: #374151; }
.stats-grid .card div:last-child { color: #475569; }

/* Responsive */
@media (max-width: 768px) {
  .nav-links { gap: 1rem; }
  .stats-grid { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; }
}
@media (max-width: 1024px) { .features-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .features-grid { grid-template-columns: 1fr; } }
@media (max-width: 1024px) { .two-col { grid-template-columns: 1fr; } }
.hero-intro { min-height: 220px; }
@media (max-width: 768px) { .hero-intro { min-height: 180px; } }
.hero-badge { display:inline-flex; align-items:center; height: 36px; border-radius: 9999px; padding: 0 .875rem; }

/* Blog */
.blog-card-link { color: inherit; text-decoration: none; display: block; }
.blog-card-link:hover h3 { text-decoration: underline; text-underline-offset: 3px; }