:root{--navy:#0e1e40;--navy2:#16305f;--yellow:#ffd60a;--teal:#14a08e;--teal2:#22c7ae;--orange:#ffa046;--red:#e63946;--ink:#0f172a;--muted:#64748b;--line:#e2e8f0;--bg:#f7f9fc;--radius:16px}
*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}
body{font-family:'Inter',system-ui,Arial,sans-serif;color:var(--ink);background:#fff;line-height:1.65}
a{color:inherit;text-decoration:none}img{max-width:100%;display:block}
h1,h2,h3{font-weight:900;letter-spacing:-.02em;line-height:1.08}
.wrap{max-width:1140px;margin:0 auto;padding:0 22px}
main.wrap{padding-top:24px;padding-bottom:24px}
.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 26px;border-radius:999px;font-weight:800;font-size:15px;cursor:pointer;border:none;transition:transform .15s,background .15s,box-shadow .15s}
.btn:hover{transform:translateY(-2px)}
.btn-y{background:var(--yellow);color:var(--navy)}.btn-y:hover{background:#ffe14d;box-shadow:0 10px 24px rgba(255,214,10,.4)}
.btn-o{background:transparent;color:#fff;border:2px solid rgba(255,255,255,.55)}.btn-o:hover{background:#fff;color:var(--navy)}
.btn-ghost{background:var(--teal);color:#fff}.btn-ghost:hover{background:#0f8778}
/* header */
.hd{position:sticky;top:0;z-index:60;background:var(--navy);color:#fff}
.hd .wrap{display:flex;align-items:center;justify-content:space-between;height:66px;gap:14px}
.brand{display:flex;align-items:center;gap:8px;font-weight:900;font-size:18px;color:#fff}
.brand .bi{background:var(--yellow);color:var(--navy);font-weight:900;padding:3px 8px;border-radius:8px;font-size:15px}
.brand .y{color:var(--yellow)}
.nav{display:flex;align-items:center;gap:20px}
.nav a{color:#cdd9f0;font-weight:600;font-size:15px}.nav a:hover{color:var(--yellow)}
.nav-cta{background:var(--yellow);color:var(--navy)!important;padding:8px 16px;border-radius:999px}
.lnk{background:none;border:none;color:#cdd9f0;font:inherit;font-weight:600;cursor:pointer}.inl{display:inline}
.tog{display:none;background:none;border:none;color:#fff;font-size:24px;cursor:pointer}
/* hero */
.hero{background:radial-gradient(1200px 500px at 80% -20%,#1b3b74,transparent),var(--navy);color:#fff;border-radius:0 0 32px 32px}
.hero-in{max-width:1140px;margin:0 auto;padding:80px 22px 90px;text-align:center}
.kick{display:inline-block;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);color:#fff;font-weight:700;font-size:13px;padding:7px 16px;border-radius:999px;margin-bottom:22px}
.hero h1{font-size:clamp(42px,7vw,76px);margin-bottom:16px}
.grad{background:linear-gradient(90deg,var(--yellow),var(--orange));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero p{font-size:clamp(17px,2vw,21px);color:rgba(255,255,255,.85);max-width:620px;margin:0 auto 28px}
.cta{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
/* sections */
.sec{padding:74px 0}
.sec-h{text-align:center;margin-bottom:44px}
.eye{display:inline-block;color:var(--teal);font-weight:800;letter-spacing:1.5px;text-transform:uppercase;font-size:13px;margin-bottom:10px}
.sec h2,.page-hero h1{font-size:clamp(28px,4vw,44px);color:var(--navy)}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px 26px;transition:.2s;display:block;color:var(--ink)}
.card:hover{transform:translateY(-5px);box-shadow:0 18px 44px rgba(14,30,64,.12);border-color:var(--teal2)}
.card .ic{width:56px;height:56px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:26px;margin-bottom:16px}
.card h3{font-size:21px;color:var(--navy);margin-bottom:8px}.card p{color:var(--muted);font-size:15px;margin-bottom:14px}
.card .more{color:var(--teal);font-weight:800;font-size:14px}
/* band */
.band{background:linear-gradient(120deg,var(--teal),var(--teal2));color:#fff;border-radius:28px;margin:0 22px 40px}
.band-in{max-width:900px;margin:0 auto;padding:64px 22px;text-align:center}
.band h2{color:#fff;font-size:clamp(26px,3.6vw,40px);margin-bottom:12px}
.band p{opacity:.95;font-size:18px;margin-bottom:24px}
.band .btn-ghost{background:var(--navy)}
/* page hero + prose */
.page-hero{text-align:center;padding:44px 0 30px}
.page-hero .sub{color:var(--muted);font-size:17px;max-width:620px;margin:10px auto 0}
.prose{max-width:760px;margin:0 auto;padding:10px 0 40px}
.prose p{font-size:17px;margin-bottom:16px;line-height:1.8}
.prose h1{color:var(--navy);margin-bottom:16px}
.muted{color:var(--muted)}
/* forms / auth */
.auth{max-width:600px;margin:20px auto;padding:0 0 40px}.auth h1{color:var(--navy);margin-bottom:20px;text-align:center}
.form{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:0 12px 30px rgba(14,30,64,.06)}
.form .r{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form label{display:block;font-weight:700;font-size:14px;color:var(--navy);margin-bottom:14px}
.form input,.form select,.form textarea{width:100%;margin-top:6px;padding:12px 14px;border:1.5px solid var(--line);border-radius:10px;font:inherit;background:var(--bg)}
.form input:focus,.form select:focus,.form textarea:focus{outline:none;border-color:var(--teal);background:#fff}
.form textarea{min-height:110px;resize:vertical}
.form button{margin-top:6px;width:100%}
.honey{position:absolute;left:-9999px}
.flash{padding:12px 16px;border-radius:10px;margin:16px 0;font-weight:700}
.flash.err{background:#fee2e2;color:#991b1b}.flash.ok{background:#dcfce7;color:#065f46}
.msg{margin-top:12px;padding:10px;border-radius:8px;font-weight:700;text-align:center}
.msg.ok{background:#dcfce7;color:#065f46}.msg.err{background:#fee2e2;color:#991b1b}
/* student card */
.scard{max-width:640px;margin:0 auto 40px;background:#fff;border:1px solid var(--line);border-radius:20px;overflow:hidden;box-shadow:0 18px 44px rgba(14,30,64,.08)}
.scard-top{display:flex;align-items:center;gap:16px;background:var(--navy);color:#fff;padding:26px}
.avatar{width:64px;height:64px;border-radius:50%;background:var(--yellow);color:var(--navy);display:flex;align-items:center;justify-content:center;font-weight:900;font-size:28px}
.scard-top .nm{font-size:22px;font-weight:900}.scard-top .lv{opacity:.85;font-size:14px}
.scard-body{padding:10px 26px}
.scard .row{display:flex;justify-content:space-between;gap:12px;padding:13px 0;border-bottom:1px solid var(--line)}
.scard .row:last-child{border:none}.scard .row span{color:var(--muted)}.scard .row b{color:var(--navy)}
.scard-cta{display:flex;gap:12px;flex-wrap:wrap;padding:20px 26px 26px}
/* contact */
.contact{display:grid;grid-template-columns:1fr 1.4fr;gap:40px;align-items:start;padding-bottom:40px}
.ci{display:flex;align-items:center;gap:14px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px;margin-bottom:12px;color:var(--navy)}
.ci span{font-size:24px}.ci b{display:block}.ci small{color:var(--muted)}
/* quiz */
.quiz-wrap{max-width:760px;margin:0 auto 40px}
.q{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px 20px;margin-bottom:14px}
.q.good{border-color:#9ae6b4;background:#f0fff4}.q.bad{border-color:#feb2b2;background:#fff5f5}
.q .qt{font-weight:700;color:var(--navy);margin-bottom:12px}
.opt{display:flex;align-items:center;gap:10px;padding:10px 12px;border:1px solid var(--line);border-radius:10px;margin-bottom:8px;cursor:pointer}
.opt:hover{border-color:var(--teal)}.opt input{width:auto}
.q-fb{margin-top:8px;font-weight:700}.q-fb .ok{color:#0b6c5e}.q-fb .no{color:var(--red)}
.quiz-result{background:var(--navy);color:#fff;border-radius:16px;padding:26px;text-align:center;margin-top:14px}
.quiz-result h3{color:#fff;font-size:26px;margin-bottom:8px}.quiz-result .lvl{color:var(--yellow);font-size:40px;font-weight:900}
/* footer */
.ft{background:var(--navy);color:rgba(255,255,255,.72);padding:56px 0 28px;margin-top:20px}
.fgrid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:36px;margin-bottom:30px}
.fgrid p{font-size:14px;opacity:.8;margin-top:12px;max-width:280px}
.fgrid h5{color:#fff;font-size:13px;text-transform:uppercase;letter-spacing:1px;margin-bottom:12px}
.fgrid a{display:block;color:rgba(255,255,255,.72);font-size:14px;padding:4px 0}.fgrid a:hover{color:var(--yellow)}
.fb{border-top:1px solid rgba(255,255,255,.12);padding-top:20px;text-align:center;font-size:13px;opacity:.75}.fb a{color:var(--teal2)}
.wa-float{position:fixed;bottom:22px;right:22px;z-index:70;width:56px;height:56px;border-radius:50%;background:#25D366;display:flex;align-items:center;justify-content:center;font-size:26px;box-shadow:0 8px 22px rgba(37,211,102,.45)}
@media(max-width:860px){.nav{display:none}.tog{display:block}.nav.open{display:flex;position:absolute;top:66px;right:0;left:0;flex-direction:column;background:var(--navy);padding:16px 22px;gap:14px}
.cards,.fgrid,.contact,.form .r{grid-template-columns:1fr}.sec{padding:52px 0}}