:root{--blue:#1f66d1;--navy:#08294d;--gold:#ffb703;--light:#f5f8ff;--text:#263445}*{box-sizing:border-box}body{margin:0;font-family:Arial,Helvetica,sans-serif;color:var(--text);line-height:1.6;background:#fff}a{text-decoration:none;color:inherit}.topbar{background:var(--navy);color:#fff;font-size:14px}.container{max-width:1180px;margin:auto;padding:0 18px}.topbar .container,.nav{display:flex;justify-content:space-between;align-items:center;gap:18px}.topbar span{display:inline-block;margin:8px 14px 8px 0}.navbar{background:#fff;box-shadow:0 3px 18px rgba(0,0,0,.08);position:sticky;top:0;z-index:50}.nav{min-height:76px}.logo img{max-height:58px}.menu{display:flex;gap:22px;align-items:center}.menu a{font-weight:700;color:#223}.menu .btn{color:#fff}.btn{display:inline-block;background:var(--blue);color:#fff;padding:11px 18px;border-radius:6px;border:0;cursor:pointer;font-weight:700}.btn.alt{background:var(--gold);color:#111}.hero{min-height:560px;background:linear-gradient(90deg,rgba(8,41,77,.86),rgba(31,102,209,.52)),url('../images/hero.jpg') center/cover;display:flex;align-items:center;color:#fff}.hero h1{font-size:52px;line-height:1.1;margin:0 0 15px}.hero p{font-size:19px;max-width:650px}.section{padding:70px 0}.title{text-align:center;margin-bottom:36px}.title h2{font-size:34px;margin:0;color:var(--navy)}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.card{background:#fff;border-radius:12px;box-shadow:0 8px 30px rgba(0,0,0,.08);overflow:hidden}.card .pad{padding:24px}.card h3{margin-top:0;color:var(--navy)}.light{background:var(--light)}.course-meta{display:flex;justify-content:space-between;border-top:1px solid #e5eaf5;padding-top:12px;color:#555}.gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.gallery img{width:100%;height:170px;object-fit:cover;border-radius:10px}.verify-box{max-width:760px;margin:auto;background:#fff;border-radius:14px;padding:28px;box-shadow:0 8px 30px rgba(0,0,0,.1)}input,select,textarea{width:100%;padding:12px;border:1px solid #d6deea;border-radius:7px;margin:6px 0 14px;background:#fff}.result{margin-top:20px}.student-card{display:grid;grid-template-columns:140px 1fr;gap:20px;align-items:start}.student-card img{width:140px;height:160px;object-fit:cover;border-radius:10px;border:1px solid #ddd}footer{background:var(--navy);color:#fff;padding:35px 0}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:20px}.alert{padding:12px;border-radius:7px;margin:10px 0}.success{background:#e8fff0;color:#126b2f}.error{background:#fff0f0;color:#a50e0e}@media(max-width:800px){.topbar .container,.nav,.menu{display:block}.menu{padding-bottom:16px}.menu a{display:block;padding:8px 0}.hero{min-height:460px}.hero h1{font-size:36px}.grid,.gallery,.footer-grid{grid-template-columns:1fr}.student-card{grid-template-columns:1fr}.gallery img{height:220px}}

.certificate-preview{display:block;max-width:100%;margin:12px 0;border:1px solid #e5e7eb;border-radius:12px}.verified{display:inline-block;background:#e8fff2;color:#067647;border:1px solid #a7f3c9;border-radius:999px;padding:6px 12px;margin-bottom:10px;font-weight:700}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:start}.map-wrap{border-radius:12px;overflow:hidden;border:1px solid #dce5f2;min-height:320px;background:#eef5ff}.map-wrap iframe{width:100%;height:320px;border:0;display:block}.hp-field{position:absolute;left:-9999px;opacity:0}.btn:disabled{opacity:.65;cursor:not-allowed}@media(max-width:800px){.contact-grid{grid-template-columns:1fr}.map-wrap iframe{height:280px}}


.page-hero{padding:85px 0;background:linear-gradient(90deg,rgba(8,41,77,.9),rgba(31,102,209,.6)),url('../images/bg2.jpg') center/cover;color:#fff}.page-hero h1{font-size:44px;margin:0 0 10px}.center{text-align:center}.mt{margin-top:30px}.left-title{text-align:left;margin:45px 0 20px}.course-grid{margin-bottom:20px}.course-card{height:100%}.course-card .pad{display:flex;flex-direction:column;height:100%}.course-card p{flex:1}.badge{display:inline-block;background:#eaf1ff;color:var(--blue);border-radius:999px;padding:5px 11px;font-size:13px;font-weight:700;margin-bottom:10px}.course-note{margin-bottom:30px}.course-detail-layout{display:grid;grid-template-columns:2fr 360px;gap:24px;align-items:start}.detail-boxes{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:24px 0}.detail-boxes div{background:var(--light);border:1px solid #dce5f2;border-radius:12px;padding:16px}.detail-boxes b,.detail-boxes span{display:block}.detail-boxes span{font-size:20px;color:var(--navy);font-weight:700;margin-top:4px}.topic-list{columns:2;line-height:1.9}@media(max-width:800px){.course-detail-layout,.detail-boxes{grid-template-columns:1fr}.topic-list{columns:1}.page-hero h1{font-size:34px}}

.hint{display:block;margin:6px 0 12px;color:#64748b;font-size:13px}