:root { --primary: #2563eb; --primary-dark: #1d4ed8; --text: #1f2937; --text-muted: #4b5563; --bg: #f9fafb; --border: #e5e7eb; }
* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; line-height: 1.6; color: var(--text); background: var(--bg); }
header { background: #fff; box-shadow: 0 1px 3px rgba(0,0,0,.08); position: sticky; top: 0; z-index: 50; }
.nav-container { max-width: 1200px; margin: 0 auto; padding: 1rem; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1rem; }
.brand { font-weight: 700; color: var(--primary); text-decoration: none; font-size: 1.15rem; }
nav { display: flex; gap: 1.25rem; flex-wrap: wrap; }
nav a { text-decoration: none; color: var(--text); font-weight: 500; font-size: .95rem; }
nav a:hover { color: var(--primary); }
.hero { text-align: center; padding: 4rem 1rem; background: linear-gradient(135deg, #eff6ff, #dbeafe); }
.hero h1 { font-size: 2.2rem; margin-bottom: 1rem; font-weight: 800; }
.hero p { font-size: 1.1rem; color: var(--text-muted); max-width: 700px; margin: 0 auto 1.5rem; }
.btn { display: inline-block; background: var(--primary); color: #fff; padding: .75rem 1.5rem; border-radius: .375rem; text-decoration: none; font-weight: 600; transition: background .2s; }
.btn:hover { background: var(--primary-dark); }
.section { max-width: 1200px; margin: 3rem auto; padding: 0 1rem; }
.section h2 { font-size: 1.75rem; margin-bottom: 1.5rem; text-align: center; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1.5rem; }
.card { background: #fff; padding: 1.75rem; border-radius: .5rem; border: 1px solid var(--border); box-shadow: 0 1px 3px rgba(0,0,0,.05); }
.card h3 { font-size: 1.25rem; margin-bottom: .75rem; }
.card p { color: var(--text-muted); margin-bottom: 1rem; font-size: .95rem; }
.contact-form { background: #fff; padding: 2rem; border-radius: .5rem; border: 1px solid var(--border); max-width: 600px; margin: 0 auto; text-align: center; }
footer { background: #111827; color: #fff; text-align: center; padding: 2rem 1rem; margin-top: 3rem; font-size: .9rem; }
@media (max-width: 640px) { .hero h1 { font-size: 1.6rem; } .nav-container { flex-direction: column; text-align: center; } }