:root{color-scheme:dark;font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;--bg:#0b111a;--panel:#151f2d;--panel2:#1b2a3d;--line:#2f425b;--text:#f6f8fc;--muted:#aab9cd;--accent:#73c4ff;--accent2:#b7e3ff;--danger:#ffb5aa;--success:#a8e6bd}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:radial-gradient(circle at 20% 0,#16314a 0,transparent 35rem),var(--bg);color:var(--text)}a{color:var(--accent)}.shell{width:min(1100px,calc(100% - 32px));margin:auto}.topbar{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:20px 0}.brand{color:var(--text);text-decoration:none;font-weight:800;letter-spacing:-.03em}.nav{display:flex;align-items:center;gap:14px;flex-wrap:wrap}.nav a{color:var(--muted);text-decoration:none}.hero{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(300px,.65fr);gap:28px;align-items:center;padding:80px 0 48px}.eyebrow{color:var(--accent);text-transform:uppercase;letter-spacing:.12em;font-size:.78rem;font-weight:800}.hero h1{font-size:clamp(2.5rem,7vw,5.7rem);line-height:.94;letter-spacing:-.065em;margin:18px 0;max-width:820px}.lead{font-size:1.16rem;line-height:1.7;color:var(--muted);max-width:680px}.card{background:linear-gradient(145deg,rgba(28,43,62,.96),rgba(17,27,40,.96));border:1px solid var(--line);border-radius:24px;padding:24px;box-shadow:0 24px 80px rgba(0,0,0,.25)}.login-card h2,.card h2{margin-top:0}.field{display:grid;gap:8px;margin:16px 0}.field label{font-weight:700}.field input,.field select,.field textarea{width:100%;min-height:46px;border:1px solid #405672;border-radius:12px;background:#0e1723;color:var(--text);padding:11px 13px;font:inherit}.button{display:inline-flex;justify-content:center;align-items:center;min-height:46px;border:1px solid #4d7395;border-radius:12px;background:#2a73a7;color:#fff;padding:10px 17px;text-decoration:none;font:700 1rem inherit;cursor:pointer}.button.primary{background:linear-gradient(135deg,#168fd1,#276da8);border:0}.button.ghost{background:transparent}.button.danger{border-color:#8f554f;background:#492a2a}.button:disabled{opacity:.55;cursor:wait}.stack{display:grid;gap:12px}.message{min-height:24px;color:var(--muted)}.message.error{color:var(--danger)}.message.success{color:var(--success)}.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;padding:30px 0 80px}.feature-grid h3{margin:0 0 10px}.feature-grid p,.muted{color:var(--muted);line-height:1.6}.app-grid{display:grid;grid-template-columns:230px minmax(0,1fr);gap:24px;padding:24px 0 70px}.side{position:sticky;top:20px;height:max-content}.side a{display:block;padding:11px 12px;border-radius:10px;color:var(--muted);text-decoration:none}.side a:hover,.side a.active{background:#22354c;color:#fff}.page-head{display:flex;justify-content:space-between;gap:20px;align-items:end;margin-bottom:22px}.page-head h1{margin:0;font-size:clamp(2rem,5vw,3.4rem);letter-spacing:-.04em}.list{display:grid;gap:12px}.list-row{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:16px;border:1px solid var(--line);border-radius:14px}.badge{font-size:.78rem;padding:4px 9px;border-radius:99px;background:#263b53;color:var(--accent2)}.actions{display:flex;gap:10px;flex-wrap:wrap}.calculator-frame{background:#0c111b;border:1px solid var(--line);border-radius:22px;padding:8px;overflow:hidden}.footer{padding:30px 0 50px;color:var(--muted);font-size:.9rem}@media(max-width:800px){.hero,.app-grid{grid-template-columns:1fr}.hero{padding-top:34px}.feature-grid{grid-template-columns:1fr}.side{position:static}.side .nav-block{display:flex;overflow:auto}.side a{white-space:nowrap}.page-head{align-items:start;flex-direction:column}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}