:root{
  --black:#05070a;
  --navy:#071a32;
  --blue:#0e63c8;
  --blue2:#2f8cff;
  --ice:#eaf4ff;
  --white:#fff;
  --text:#152234;
  --muted:#647184;
  --line:#dbe4ee;
  --gold:#f3c74f;
  --shadow:0 18px 45px rgba(5,20,38,.12);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Arial,Helvetica,sans-serif;background:#f5f8fb;color:var(--text);line-height:1.6}
a{text-decoration:none;color:inherit}
img{max-width:100%}
.container{max-width:1180px;margin:auto;padding:0 22px}
.topbar{background:#02070d;color:#dbeeff;font-size:13px}
.topbar .container{display:flex;justify-content:space-between;gap:20px;padding-top:8px;padding-bottom:8px}
header{position:sticky;top:0;z-index:30;background:rgba(7,26,50,.97);border-bottom:3px solid var(--blue2)}
.nav{height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:12px;color:#fff;font-weight:900}
.brand-mark{width:50px;height:50px;border-radius:15px;display:grid;place-items:center;background:linear-gradient(145deg,var(--blue2),var(--blue));border:2px solid rgba(255,255,255,.8);box-shadow:0 8px 18px rgba(0,0,0,.3)}
.brand small{display:block;color:#b9d7fb;letter-spacing:.08em;text-transform:uppercase;font-size:11px}
.brand strong{display:block;font-size:19px}
nav ul{display:flex;list-style:none;margin:0;padding:0;gap:5px}
nav a{color:#eaf3ff;font-size:14px;font-weight:800;padding:10px 9px;border-radius:8px}
nav a:hover,nav a.active{background:var(--blue)}
.menu{display:none;background:transparent;border:1px solid #87b2e3;color:white;border-radius:8px;padding:8px 11px;font-size:19px}
.hero{min-height:680px;display:flex;align-items:center;color:#fff;background:
radial-gradient(circle at 82% 22%,rgba(47,140,255,.28),transparent 20%),
linear-gradient(120deg,rgba(2,10,18,.96),rgba(7,34,64,.94) 58%,rgba(14,99,200,.90)),
linear-gradient(135deg,#071a32,#0e63c8)}
.hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:48px;align-items:center;padding-top:78px;padding-bottom:78px}
.kicker{display:inline-flex;align-items:center;gap:8px;padding:7px 12px;border-radius:999px;border:1px solid rgba(255,255,255,.3);background:rgba(255,255,255,.09);font-size:13px;font-weight:900;text-transform:uppercase;letter-spacing:.06em}
.hero h1{font-size:clamp(48px,7vw,82px);line-height:.95;letter-spacing:-.05em;margin:18px 0}
.hero p{font-size:20px;color:#dfedfc;max-width:720px}
.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}
.btn{display:inline-block;padding:13px 18px;border-radius:10px;font-weight:900}
.btn-light{background:#fff;color:var(--navy)}
.btn-outline{border:2px solid #9cc8f5;color:#fff}
.hero-panel{background:rgba(255,255,255,.98);color:var(--navy);border-radius:22px;padding:26px;box-shadow:0 30px 60px rgba(0,0,0,.28);border-top:7px solid var(--blue2)}
.hero-panel h2{margin:0 0 6px}
.quick{display:grid;gap:12px;margin-top:18px}
.quick a{display:flex;justify-content:space-between;align-items:center;padding:13px 14px;border:1px solid var(--line);border-radius:11px;background:#f8fbff;font-weight:800}
.quick a:hover{border-color:var(--blue2);transform:translateY(-1px)}
.section{padding:72px 0}
.section.alt{background:#fff}
.section-head{max-width:760px;margin-bottom:30px}
.section-head span{font-weight:900;color:var(--blue);text-transform:uppercase;letter-spacing:.08em;font-size:12px}
.section-head h2{font-size:40px;line-height:1.08;margin:8px 0 10px;letter-spacing:-.03em}
.section-head p{margin:0;color:var(--muted)}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:24px;box-shadow:var(--shadow)}
.card .icon{width:50px;height:50px;border-radius:13px;background:var(--ice);color:var(--blue);display:grid;place-items:center;font-weight:900;font-size:20px}
.card h3{margin:12px 0 6px}
.card p{color:var(--muted);margin:0 0 14px}
.link{color:var(--blue);font-weight:900}
.split{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:center}
.profile{background:linear-gradient(145deg,var(--navy),#124b86);color:#fff;border-radius:24px;padding:38px;box-shadow:var(--shadow)}
.profile h2{font-size:36px;margin:0 0 12px}
.profile p{color:#dbeeff}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:22px}
.stat{background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.18);border-radius:13px;padding:16px}
.stat strong{display:block;font-size:24px}
.timeline{display:grid;gap:13px}
.timeline .item{background:#fff;border-left:5px solid var(--blue);padding:17px 18px;border-radius:10px;box-shadow:var(--shadow)}
.banner{background:linear-gradient(135deg,var(--blue),#0a3f78);color:#fff;border-radius:22px;padding:34px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.banner p{color:#e2effd;margin:6px 0 0}
.pagehero{background:linear-gradient(135deg,var(--navy),var(--blue));color:#fff;padding:62px 0}
.pagehero h1{font-size:48px;margin:0 0 10px}
.pagehero p{max-width:780px;color:#e2effd;font-size:18px}
.table{width:100%;border-collapse:collapse;background:#fff;border-radius:16px;overflow:hidden;box-shadow:var(--shadow)}
.table th,.table td{padding:14px 16px;border-bottom:1px solid var(--line);text-align:left}
.table th{background:var(--navy);color:#fff}
.notice{background:#eaf4ff;border-left:5px solid var(--blue);padding:18px;border-radius:10px}
.steps{display:grid;gap:14px;counter-reset:step}
.step{counter-increment:step;position:relative;background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px 20px 20px 72px}
.step:before{content:counter(step);position:absolute;left:20px;top:20px;width:36px;height:36px;border-radius:50%;background:var(--blue);color:#fff;display:grid;place-items:center;font-weight:900}
.tag{display:inline-block;padding:4px 9px;border-radius:999px;background:var(--ice);color:var(--blue);font-size:12px;font-weight:900}
.assignment{background:#fff;border:1px solid var(--line);border-radius:15px;padding:20px;margin-bottom:14px}
.assignment-row{display:flex;justify-content:space-between;gap:20px}
.due{font-weight:900;color:#a6422b;white-space:nowrap}
.form label{display:block;font-weight:900;margin-bottom:5px}
.form input,.form textarea{width:100%;padding:12px;border:1px solid #bccada;border-radius:9px;margin-bottom:14px;font:inherit}
.form textarea{min-height:150px}
footer{background:#03090f;color:#d6e8fa;border-top:4px solid var(--blue);padding:38px 0}
.footergrid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:30px}
footer h4{color:#fff;margin:0 0 10px}
footer a{color:#b8d9fb;display:block;margin:4px 0}
.small{font-size:13px;color:#91a5b8}
@media(max-width:900px){
 .hero-grid,.split{grid-template-columns:1fr}
 .cards{grid-template-columns:1fr 1fr}
 .hero{min-height:auto}
}
@media(max-width:760px){
 .topbar{display:none}
 .menu{display:block}
 nav{display:none;position:absolute;top:76px;left:0;right:0;background:var(--navy);padding:12px 20px 20px}
 nav.open{display:block}
 nav ul{display:block}
 nav a{display:block;padding:12px}
 .cards,.footergrid,.stats{grid-template-columns:1fr}
 .section{padding:52px 0}
 .hero-grid{padding-top:55px;padding-bottom:55px}
 .pagehero h1{font-size:40px}
 .assignment-row,.banner{display:block}
 .due{display:inline-block;margin-top:8px}
}