:root{--bg:#0b1220;--card:#0f172a;--muted:#94a3b8;--text:#e2e8f0;--brand:#22c55e;--brand-2:#0ea5e9;--accent:#14b8a6;--ring:#22d3ee;--danger:#ef4444;--shadow:0 10px 30px rgba(0,0,0,.4);--radius:14px}
*{box-sizing:border-box} html{scroll-behavior:smooth}
body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Inter,Helvetica,Arial,sans-serif;color:var(--text);background:radial-gradient(1200px 600px at 10% -10%,#102136 0%,#0b1220 40%), #0b1220}
a{color:#c7f9cc;text-decoration:none} a:hover{text-decoration:underline}
.container{width:min(1200px,92%);margin:0 auto}
.btn{display:inline-flex;align-items:center;gap:.6rem;background:linear-gradient(90deg,var(--brand),var(--brand-2));color:#06131f;font-weight:700;padding:.9rem 1.2rem;border-radius:12px;border:0;box-shadow:var(--shadow);cursor:pointer}
.btn.secondary{background:#0b1f3a;color:#e2e8f0;border:1px solid #1f2c44} .btn:focus{outline:3px solid var(--ring);outline-offset:2px}
.skip-link{position:absolute;left:-9999px;top:auto;width:1px;height:1px;overflow:hidden}
.skip-link:focus{position:fixed;left:1rem;top:1rem;width:auto;height:auto;padding:.6rem 1rem;background:#fff;color:#111;z-index:9999}
header{position:sticky;top:0;z-index:1000;backdrop-filter: blur(8px);background:rgba(11,18,32,.7);border-bottom:1px solid #14243a}
.navbar{display:flex;align-items:center;justify-content:space-between;padding:.8rem 0}
.brand{display:flex;align-items:center;gap:.8rem}
.brand img{width:38px;height:38px}
.brand .name{font-weight:800;letter-spacing:.2px;font-size:1.1rem;white-space:nowrap;color:#e2e8f0}
nav ul{list-style:none;display:flex;gap:1.2rem;padding:0;margin:0}
nav a{color:#e2e8f0;font-weight:600;padding:.5rem .6rem;border-radius:10px}
nav a:hover{background:#0f1f34}
.burger{display:none;background:#0f1f34;border:1px solid #1c2b45;color:#e2e8f0;border-radius:10px;padding:.5rem .7rem}
@media (max-width: 940px){
  nav{position:fixed;inset:64px 0 auto 0;background:#0b1220;display:none;border-top:1px solid #1b2a44}
  nav.open{display:block}
  nav ul{flex-direction:column;padding:1rem}
  .burger{display:inline-flex}
  .brand .name{max-width:48vw;overflow:hidden;text-overflow:ellipsis}
}
.hero{padding:clamp(2rem,8vw,6rem) 0;position:relative;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:2rem;align-items:center}
.hero h1{font-size:clamp(2rem,4vw,3.2rem);line-height:1.1;margin:0 0 1rem;letter-spacing:.2px}
.hero p{color:var(--muted);font-size:1.05rem}
.hero .cta{display:flex;gap:1rem;flex-wrap:wrap;margin-top:1.2rem}
@media (max-width: 940px){.hero-grid{grid-template-columns:1fr}}
.section{padding:clamp(2rem,6vw,4.5rem) 0}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:1.2rem}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:1.4rem}
.card{background:linear-gradient(180deg,#0e1a2d, #0b1220);border:1px solid #152640;padding:1.2rem;border-radius:var(--radius);box-shadow:var(--shadow)}
.card h3{margin-top:.2rem}
.meta{color:var(--muted);font-size:.95rem}
@media (max-width: 940px){.grid-3{grid-template-columns:1fr}.grid-2{grid-template-columns:1fr}}
.calc{display:grid;grid-template-columns:1.1fr .9fr;gap:1.4rem}
.calc .panel{background:#0f172a;border:1px solid #20334f;padding:1rem;border-radius:var(--radius)}
.calc label{display:block;margin-top:.6rem;color:#cbd5e1}
.calc input,.calc select{width:100%;background:#0c1b2f;color:#e2e8f0;border:1px solid #1b2c47;border-radius:10px;padding:.65rem .7rem}
.chart{height:280px;background:#0c1b2f;border:1px solid #1b2c47;border-radius:12px;display:flex;align-items:center;justify-content:center}
.chart svg{width:100%;height:100%}
footer{border-top:1px solid #13243a;background:#0b1220}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:1.4rem;padding:2rem 0}
footer a{color:#a7f3d0}
.copy{border-top:1px solid #13243a;padding:1rem 0;color:#9fb2c9;font-size:.9rem}
@media (max-width: 940px){.footer-grid{grid-template-columns:1fr 1fr}}
.cookie{position:fixed;bottom:1rem;right:1rem;background:#0b1f3a;color:#e2e8f0;border:1px solid #1e3353;padding:1rem;border-radius:12px;max-width:360px;z-index:2000;box-shadow:var(--shadow)}
form .row{display:grid;grid-template-columns:1fr 1fr;gap:.8rem}
form .row-1{display:grid;grid-template-columns:1fr;gap:.8rem}
form input,form textarea{width:100%;background:#0c1b2f;color:#e2e8f0;border:1px solid #1b2c47;border-radius:10px;padding:.65rem .7rem}
form textarea{min-height:120px}
.alert{padding:.7rem 1rem;border-radius:10px;background:#052e1a;color:#b6f2c5;border:1px solid #1d4e2b;margin-top:.8rem}