/* ===== Base (system fonts, no external) ===== */
:root{
  --bg:#0B1020;
  --card:#0F1629;
  --line:#1B2440;
  --brand:#6366F1;
  --brand2:#22D3EE;
  --text:#E5E7EB;
  --muted:#94A3B8;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  background:
    radial-gradient(1200px 800px at 10% -10%, rgba(99,102,241,.25), transparent 60%),
    radial-gradient(1000px 600px at 110% 10%, rgba(34,211,238,.18), transparent 60%),
    var(--bg);
  color:var(--text);
  font:16px/1.6 system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, 'Noto Sans', 'Apple Color Emoji','Segoe UI Emoji';
  -webkit-font-smoothing:antialiased; -moz-osx-font-smoothing:grayscale;
}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}

/* ===== Layout ===== */
.container{max-width:1100px;margin:0 auto;padding:0 24px}
.section{padding:80px 0;border-top:1px solid rgba(255,255,255,.06)}
.section--alt{background:#0E1730;}

.center{text-align:center}
.title-xl{font-size:40px;line-height:1.2;margin:8px 0 8px}
.title-l{font-size:28px;line-height:1.3;margin:0}
.subtitle{color:#cbd5e1;margin-top:8px}

.pill{display:inline-block;font-size:12px;letter-spacing:.08em;text-transform:uppercase;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);padding:6px 10px;border-radius:999px}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 18px;border-radius:12px;border:1px solid rgba(255,255,255,.14);transition:.2s ease;font-weight:600}
.btn--primary{background:var(--brand);border-color:transparent;color:#fff}
.btn--primary:hover{filter:brightness(1.05)}
.btn--ghost:hover{background:rgba(255,255,255,.06)}
.w-full{width:100%}
.btn-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:18px}

.grad{background:linear-gradient(90deg,var(--brand),var(--brand2));-webkit-background-clip:text;background-clip:text;color:transparent}

/* ===== Nav ===== */
.nav{position:sticky;top:0;z-index:40;background:rgba(11,16,32,.8);backdrop-filter: blur(10px);border-bottom:1px solid rgba(255,255,255,.08)}
.nav__inner{height:64px;display:flex;align-items:center;justify-content:space-between}
.brand{font-weight:800;font-size:18px;letter-spacing:.2px}

/* ===== Hero ===== */
.hero{padding:96px 0}
.hero__grid{display:grid;grid-template-columns:1fr;gap:24px;align-items:center}
@media(min-width:900px){.hero__grid{grid-template-columns:1.1fr .9fr}}
.logo-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.logo-card{border:1px solid rgba(255,255,255,.12);border-radius:14px;background:rgba(255,255,255,.06);padding:22px;display:flex;align-items:center;justify-content:center}
.logo-card img{max-height:52px;object-fit:contain}

/* ===== Cards ===== */
.cards{display:grid;gap:16px;grid-template-columns:1fr}
@media(min-width:900px){.cards{grid-template-columns:repeat(4,1fr)}}
.card{background:linear-gradient(180deg,rgba(15,22,41,.9),rgba(15,22,41,.7));border:1px solid rgba(255,255,255,.1);border-radius:16px;padding:22px;box-shadow:0 10px 30px rgba(0,0,0,.25)}
.card h3{margin:0 0 6px 0;font-size:18px}
.card p{margin:0;color:#cbd5e1;font-size:14px}

/* ===== Grid ===== */
.grid-2{display:grid;gap:24px;grid-template-columns:1fr}
@media(min-width:900px){.grid-2{grid-template-columns:1fr 1fr}}
.grid{display:grid;gap:14px;grid-template-columns:1fr 1fr}
.field{display:flex;flex-direction:column;gap:6px}
.field--full{grid-column:1 / -1}

/* ===== Form ===== */
.form input,.form textarea{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.12);
  border-radius:12px;
  color:var(--text);
  padding:10px 12px;
  outline:none;
}
.form input:focus,.form textarea:focus{border-color:var(--brand)}
.form label{font-size:13px;color:#cbd5e1}
.form button{margin-top:12px}

/* ===== Footer ===== */
.footer{padding:24px;border-top:1px solid rgba(255,255,255,.08);text-align:center;color:#a1a1aa}