/* Basic reset */
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;font-family:'Lato',system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;line-height:1.6;color:#111;background:#fff}
.container{max-width:1100px;margin:0 auto;padding:0 16px}

/* Header */
.site-header{position:sticky;top:0;background:#ffffffcc;backdrop-filter:saturate(180%) blur(10px);border-bottom:1px solid #eee;z-index:10}
.site-header .container{display:flex;align-items:center;justify-content:space-between;height:60px}
.brand{font-weight:900;text-decoration:none;color:#111;font-size:18px}
.nav a{margin:0 8px;text-decoration:none;color:#333;font-weight:700}
.nav-toggle{display:none;background:transparent;border:0;font-size:22px}

/* Hero */
.hero{padding:72px 0;background:linear-gradient(180deg,#fafafa,#fff)}
.hero h1{font-size:36px;margin:0 0 12px}
.hero p{max-width:800px}

/* Sections */
.section{padding:56px 0}
.section.alt{background:#fafafa}
h2{font-size:24px;margin:0 0 16px}
h3{font-size:18px;margin:0 0 8px}

/* Cards */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}
.card{background:#fff;border:1px solid #eee;border-radius:12px;padding:16px}

/* Lists */
.checklist li{margin:6px 0;padding-left:24px;position:relative}
.checklist li::before{content:"✓";position:absolute;left:0;top:0;color:#0a7}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:8px}

/* Buttons */
.btn-primary{display:inline-block;padding:10px 16px;border-radius:8px;border:1px solid #111;text-decoration:none;color:#fff;background:#111}
.btn-primary:hover{opacity:.9}

/* Contact */
.contact-form{max-width:640px}
.form-row{display:flex;flex-direction:column;margin:10px 0}
input,textarea{padding:10px;border:1px solid #ccc;border-radius:8px;font:inherit}
button{cursor:pointer}

/* Footer */
.site-footer{border-top:1px solid #eee;padding:24px 0;font-size:14px;color:#444}

/* Responsive */
@media (max-width: 860px){
  .nav{display:none}
  .nav.open{display:block;position:absolute;top:60px;left:0;right:0;background:#fff;border-bottom:1px solid #eee;padding:8px}
  .nav a{display:block;padding:10px 16px}
  .nav-toggle{display:block}
}