:root{
  --navy:#073B6F; --blue:#1597E5; --sky:#EAF7FF; --pale:#F6FBFF;
  --text:#17324D; --muted:#64748B; --white:#fff; --line:#D9EAF5;
  --green:#0F9D77; --danger:#B42318; --shadow:0 10px 30px rgba(7,59,111,.08);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,Segoe UI,Arial,sans-serif;color:var(--text);background:#fff;line-height:1.6}
a{text-decoration:none;color:inherit}
img{max-width:100%}
.container{width:min(1180px,calc(100% - 40px));margin:auto}
header{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);backdrop-filter:blur(8px)}
.nav{display:flex;align-items:center;justify-content:space-between;min-height:80px;gap:20px}
.brand img{height:58px;width:auto;max-width:260px;object-fit:contain}
.menu{display:flex;gap:22px;align-items:center;font-weight:600;font-size:14px}
.menu a:hover,.dropbtn:hover{color:var(--blue)}
.dropdown{position:relative}
.dropbtn{cursor:pointer;padding:28px 0;display:inline-block}
.dropdown-menu{display:none;position:absolute;top:72px;left:-120px;background:white;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:14px;padding:12px;width:360px;max-height:70vh;overflow:auto}
.dropdown:hover .dropdown-menu{display:block}
.dropdown-menu a{display:block;padding:10px 12px;border-radius:9px}
.dropdown-menu a:hover{background:var(--pale)}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:13px 20px;border-radius:12px;background:var(--blue);color:#fff;font-weight:700;border:1px solid var(--blue);cursor:pointer}
.btn.secondary{background:#fff;color:var(--navy);border-color:var(--line)}
.btn.danger{background:var(--danger);border-color:var(--danger)}
.hero,.page-hero{background:linear-gradient(135deg,var(--pale),#fff)}
.hero{padding:86px 0}.page-hero{padding:72px 0}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:60px;align-items:center}
.eyebrow{display:inline-block;background:var(--sky);color:var(--blue);font-weight:800;font-size:13px;padding:8px 14px;border-radius:999px;letter-spacing:.04em}
h1{font-size:52px;line-height:1.08;margin:20px 0;color:var(--navy)}
.page-hero h1{font-size:44px}
h2{font-size:36px;line-height:1.2;color:var(--navy);margin:0 0 14px}
h3{color:var(--navy)}
.lead{font-size:19px;color:var(--text);max-width:760px}
.actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px}
.hero-card,.card{background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow)}
.hero-card{padding:30px}.card{padding:26px}
.path{padding:18px 0;border-bottom:1px solid var(--line)}.path:last-child{border:0}.path b{color:var(--navy);font-size:18px}
section{padding:72px 0}.section-head{margin-bottom:34px}.section-head p{color:var(--muted);margin:0;max-width:800px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.card h3{margin:12px 0 10px;font-size:22px}.card p{color:var(--muted)}
.badge{display:inline-block;padding:6px 10px;background:var(--sky);color:var(--blue);font-size:12px;font-weight:800;border-radius:999px}
.alt{background:var(--pale)}
.project-card{display:flex;flex-direction:column;min-height:260px}.project-card .spacer{flex:1}
.cta{background:var(--navy);color:#fff;border-radius:24px;padding:46px;display:flex;justify-content:space-between;align-items:center;gap:30px}
.cta h2{color:#fff}.cta p{color:#d7ebfa;max-width:700px}
.list{padding-left:20px}.list li{margin:8px 0}
.course-meta{display:flex;gap:12px;flex-wrap:wrap;margin:18px 0}
.meta-pill{padding:7px 11px;background:var(--pale);border:1px solid var(--line);border-radius:999px;font-size:13px}
.syllabus{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.module{padding:18px;border:1px solid var(--line);border-radius:14px;background:#fff}
.faq{border:1px solid var(--line);border-radius:14px;padding:22px;margin:14px 0}
footer{background:var(--navy);color:#fff;padding:50px 0}
.footer-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:40px}.footer-links{display:flex;gap:18px;flex-wrap:wrap;color:#d7ebfa}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:30px}.contact-box{padding:30px;background:var(--pale);border-radius:18px}
form{display:grid;gap:14px}input,textarea,select{width:100%;padding:13px 14px;border:1px solid var(--line);border-radius:10px;font:inherit}textarea{min-height:130px}
.blog-card h3,.project-card h3{margin-bottom:8px}
.muted{color:var(--muted)}
.admin-wrap{display:grid;grid-template-columns:250px 1fr;min-height:100vh}
.admin-sidebar{background:var(--navy);color:white;padding:28px 20px}
.admin-sidebar a{display:block;padding:10px 12px;border-radius:8px;margin:6px 0}
.admin-sidebar a:hover{background:#0b4a84}
.admin-main{padding:32px;background:#f8fbfe}
.admin-table{width:100%;border-collapse:collapse;background:#fff}
.admin-table th,.admin-table td{padding:12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.notice{padding:14px 16px;border-radius:10px;background:#fff8e7;border:1px solid #f1d58a;color:#6b5300}
.mobile-toggle{display:none}
@media(max-width:900px){
 .menu{display:none}.mobile-toggle{display:block;font-size:24px}
 .hero-grid,.grid-4,.grid-3,.grid-2,.contact-grid,.footer-grid,.syllabus,.admin-wrap{grid-template-columns:1fr}
 h1{font-size:40px}.page-hero h1{font-size:36px}.hero{padding:60px 0}
 .brand img{height:48px}.cta{flex-direction:column;align-items:flex-start}
 .admin-sidebar{min-height:auto}.dropdown-menu{position:static;width:100%}
}


.admin-shell{display:grid;grid-template-columns:250px 1fr;min-height:100vh;background:#f5f8fb}.admin-side{background:#073B6F;color:white;padding:26px 18px}.admin-side h2{color:white}.admin-side a{display:block;color:white;padding:10px 12px;border-radius:8px;margin:4px 0}.admin-side a:hover{background:#0b4a84}.admin-main{padding:32px}.admin-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}.table-wrap{overflow:auto;background:white;border:1px solid #d9eaf5;border-radius:14px}.admin-table{width:100%;border-collapse:collapse}.admin-table th,.admin-table td{padding:12px;border-bottom:1px solid #e8eef3;text-align:left}.admin-actions{display:flex;gap:8px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.form-grid .full{grid-column:1/-1}@media(max-width:850px){.admin-shell,.form-grid{grid-template-columns:1fr}.form-grid .full{grid-column:auto}}