:root{
  --slate-900:#0f172a;
  --slate-800:#1e293b;
  --slate-700:#334155;
  --sky-400:#38bdf8;
  --sky-300:#7dd3fc;
  --yellow-200:#fde68a;
  --text:#e5e7eb;
  --muted:#cbd5e1;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--slate-900);color:var(--text);font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,'Helvetica Neue',Arial}
a{color:var(--sky-300);text-decoration:underline;text-underline-offset:2px}
.container{max-width:1024px;margin:0 auto;padding:24px}
.header{position:sticky;top:0;z-index:30;background:rgba(15,23,42,.9);backdrop-filter:saturate(180%) blur(6px);border-bottom:1px solid var(--sky-300)}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:14px 24px}
.brand{display:flex;flex-direction:column;align-items:center;gap:4px}
.brand h1{margin:0;font-size:28px;font-weight:800;color:var(--sky-400)}
.brand p{margin:0;color:var(--sky-300);font-size:12px}
.icon{width:28px;height:28px;fill:none;stroke:var(--sky-400);stroke-width:2}
.btn{display:inline-block;padding:14px 18px;border-radius:14px;border:1px solid transparent;background:var(--sky-400);color:#0b1220;font-weight:700;box-shadow:0 1px 2px rgba(0,0,0,.2);transition:.2s;cursor:pointer;text-decoration:none}
.btn:hover{background:#22aeee;box-shadow:0 4px 12px rgba(0,0,0,.25)}
.btn-yellow{background:var(--yellow-200);color:#0b1220;border-color:#eab308}
.btn-yellow:hover{background:#ffe082;box-shadow:0 4px 12px rgba(0,0,0,.25)}
.section{padding:48px 24px}
.card{background:var(--slate-800);border:1px solid rgba(125,211,252,.6);border-radius:18px;padding:24px}
h2.title{font-size:34px;margin:0 0 12px;color:#fff;font-weight:800}
h3.subtitle{font-size:22px;margin:0 0 8px;color:#fff;font-weight:800}
.text-muted{color:var(--muted);font-size:14px}
.list{list-style:none;margin:16px 0 0;padding:0;color:#cbd5e1}
.list li{margin:6px 0}
.grid{display:grid;gap:24px}
@media(min-width:768px){.grid-2{grid-template-columns:1fr 1fr}}
.footer{border-top:1px solid var(--yellow-200);background:var(--slate-800);text-align:center;padding:16px;color:#cbd5e1;font-size:14px}
.form label{display:block;font-size:12px;color:#9ccff7;margin-bottom:6px}
.input,.textarea{width:100%;padding:12px 14px;border-radius:12px;border:1px solid #334155;background:#1f2937;color:#e5e7eb}
.input::placeholder,.textarea::placeholder{color:#94a3b8}
.textarea{min-height:120px;resize:vertical}
@keyframes spin-slow {from{transform:rotate(0)}to{transform:rotate(360deg)}}
.spin-slow{animation:spin-slow 6s linear infinite}
@keyframes pulse {0%,100%{transform:scale(1)}50%{transform:scale(1.08)}}
.pulse{animation:pulse 2s ease-in-out infinite}
.flex-wrap{display:flex;flex-wrap:wrap;gap:10px}
.mt-6{margin-top:16px}
/* Mobile floating action bar */
.mobile-bar{position:fixed;left:0;right:0;bottom:0;z-index:50;background:rgba(15,23,42,.96);border-top:1px solid var(--sky-300);padding:10px}
.mobile-bar .row{display:flex;gap:10px}
.mobile-bar a{flex:1;text-align:center;border-radius:12px;padding:14px 10px;font-weight:800;text-decoration:none;box-shadow:0 1px 2px rgba(0,0,0,.2)}
.mobile-call{background:var(--sky-400);color:#0b1220}
.mobile-call:hover{background:#22aeee}
.mobile-text{background:var(--yellow-200);color:#0b1220}
@media(min-width:768px){.mobile-bar{display:none}}
@media(max-width:767px){body{padding-bottom:76px}}