/* Shared styling for OstazzAI SEO landing pages */
*{box-sizing:border-box}
body{font-family:'Segoe UI',Arial,Helvetica,sans-serif;margin:0;background:#0F172A;color:#E2E8F0;line-height:1.75}
a{color:#60A5FA}
.wrap{max-width:840px;margin:0 auto;padding:0 20px}
header.seo-top{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;max-width:1040px;margin:0 auto}
header.seo-top .logo{font-size:20px;font-weight:800;color:#fff;text-decoration:none}
header.seo-top .logo b{color:#F59E0B}
.btn{display:inline-block;background:#F59E0B;color:#0F172A;font-weight:800;text-decoration:none;border-radius:14px;padding:14px 28px;font-size:17px;box-shadow:0 6px 20px rgba(245,158,11,.35)}
.btn:hover{filter:brightness(1.05)}
.hero{text-align:center;padding:30px 20px 10px}
h1{font-size:34px;line-height:1.25;font-weight:900;margin:0 0 14px;background:linear-gradient(90deg,#60A5FA,#F59E0B);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.lead{font-size:18px;color:#CBD5E1;max-width:680px;margin:0 auto 22px}
h2{font-size:24px;font-weight:800;margin:34px 0 10px;color:#fff}
h3{font-size:18px;color:#93C5FD;margin:20px 0 6px}
.card{background:#1E293B;border:1px solid #334155;border-radius:14px;padding:16px 18px;margin:14px 0}
.qa .q{font-weight:700;color:#F8FAFC}
.qa .a{color:#CBD5E1;margin-top:6px}
ul{padding-inline-start:22px}
li{margin:6px 0}
.chips span{display:inline-block;background:rgba(96,165,250,.12);color:#93C5FD;border-radius:999px;padding:5px 12px;margin:3px;font-size:14px;font-weight:700}
details{background:#1E293B;border:1px solid #334155;border-radius:10px;padding:2px 16px;margin:8px 0}
summary{cursor:pointer;font-weight:700;padding:12px 0;list-style:none}
summary::-webkit-details-marker{display:none}
summary::before{content:'+ ';color:#F59E0B;font-weight:900}
details[open] summary::before{content:'\2212 '}
details p{color:#CBD5E1;margin:0 0 14px}
.cta{text-align:center;background:linear-gradient(135deg,#1E3A8A,#0F172A);border-radius:20px;padding:40px 20px;margin:36px 0}
.cta h2{margin-top:0}
.related{border-top:1px solid #334155;margin-top:30px;padding:24px 0}
.related a{display:inline-block;margin:4px 10px 4px 0;font-size:14px}
footer{text-align:center;color:#94A3B8;font-size:13px;padding:24px}
footer a{color:#94A3B8;margin:0 8px}
@media(max-width:640px){h1{font-size:26px}h2{font-size:20px}}