:root{--blue:#165dc2;--dark:#0b1736;--orange:#ff7a00;--muted:#64748b;--bg:#f4f7fb;--card:#fff;--line:#e5e7eb;--green:#0f7a3b;--red:#b42318}*{box-sizing:border-box}body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;background:var(--bg);color:var(--dark)}a{text-decoration:none;color:inherit}.site-header{display:flex;align-items:center;justify-content:space-between;padding:18px 6vw;background:rgba(255,255,255,.9);backdrop-filter:blur(14px);position:sticky;top:0;z-index:10;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:10px;font-weight:900;font-size:22px}.brand-mark{display:inline-grid;place-items:center;width:38px;height:38px;border-radius:12px;background:linear-gradient(135deg,var(--blue),#0b3f91);color:#fff;font-size:14px}.nav{display:flex;align-items:center;gap:18px;color:#263654}.btn{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:12px;padding:11px 16px;font-weight:800;cursor:pointer}.btn-primary{background:linear-gradient(135deg,var(--blue),#0d47a1);color:#fff;box-shadow:0 12px 24px rgba(22,93,194,.25)}.btn-light{background:#eef4ff;color:var(--blue)}.btn-large{padding:14px 20px}.btn-full{width:100%;margin-top:18px}.hero{min-height:78vh;display:grid;grid-template-columns:1.2fr .8fr;gap:34px;align-items:center;padding:70px 6vw;background:radial-gradient(circle at top right,#dceaff,transparent 35%),linear-gradient(180deg,#fff,var(--bg))}.badge{display:inline-block;background:#eaf2ff;color:var(--blue);border-radius:999px;padding:8px 12px;font-weight:900;font-size:13px}.hero h1{font-size:clamp(38px,5vw,72px);line-height:1.02;margin:18px 0;color:#071127;letter-spacing:-2px}.hero p{font-size:20px;line-height:1.7;color:#43516b;max-width:760px}.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px}.hero-card{background:#fff;border:1px solid var(--line);border-radius:28px;padding:26px;box-shadow:0 24px 70px rgba(15,23,42,.12);display:grid;gap:16px}.stat{padding:22px;border-radius:20px;background:#f8fafc;border:1px solid var(--line)}.stat strong{display:block;font-size:38px;color:var(--blue)}.stat span{color:var(--muted);font-weight:700}.section{padding:70px 6vw}.section h2{font-size:36px;margin:0 0 22px}.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.grid article{background:#fff;border:1px solid var(--line);border-radius:22px;padding:24px;box-shadow:0 10px 30px rgba(15,23,42,.05)}.grid h3{margin:0 0 8px}.grid p{color:var(--muted);line-height:1.6}.dark{background:var(--dark);color:#fff;border-radius:34px;margin:20px 6vw;padding:50px}.dark p{color:#d7def0;font-size:18px}.footer{text-align:center;color:var(--muted);padding:35px}.auth-page{min-height:100vh;display:grid;place-items:center;padding:28px;background:radial-gradient(circle at top left,#dbeafe,transparent 35%),var(--bg)}.auth-card{width:min(450px,100%);background:#fff;border:1px solid var(--line);border-radius:28px;padding:34px;box-shadow:0 24px 70px rgba(15,23,42,.12)}.auth-brand{margin-bottom:25px}.auth-card h1{font-size:34px;margin:0 0 8px}.muted{color:var(--muted)}label{display:block;font-weight:800;margin:18px 0 8px}input{width:100%;padding:15px 14px;border:1px solid var(--line);border-radius:14px;font-size:16px;background:#fff}input:focus{outline:3px solid rgba(22,93,194,.16);border-color:var(--blue)}.alert{padding:12px 14px;border-radius:14px;margin:18px 0;font-weight:800}.error{background:#fff1f0;color:var(--red);border:1px solid #ffd5d2}.hint{font-size:13px;color:var(--muted);line-height:1.5;margin-top:16px}.dashboard{padding:45px 6vw}.dashboard h1{font-size:42px}.dashboard-header{position:static}@media(max-width:900px){.nav a:not(.btn){display:none}.hero{grid-template-columns:1fr;padding-top:45px}.grid{grid-template-columns:1fr 1fr}.hero p{font-size:17px}}@media(max-width:560px){.site-header{padding:14px 18px}.brand{font-size:19px}.hero{padding:38px 18px}.hero h1{font-size:38px;letter-spacing:-1px}.grid{grid-template-columns:1fr}.section{padding:45px 18px}.dark{margin:12px 18px}.auth-card{padding:24px}.hero-actions .btn{width:100%}}