:root{
  --bg:#060b16;
  --bg2:#0c1628;
  --card:#0f1c31;
  --card2:#13213a;
  --txt:#e8f1ff;
  --muted:#94a6c8;
  --line:#23395e;
  --blue:#39a0ff;
  --glow:0 0 28px rgba(57,160,255,.18);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;color:var(--txt);font-family:Inter,Segoe UI,Arial,sans-serif;background:
radial-gradient(circle at 15% 5%,rgba(255,0,68,.10),transparent 25%),
radial-gradient(circle at 80% 0%,rgba(57,160,255,.12),transparent 28%),
radial-gradient(circle at 50% 100%,rgba(0,255,153,.10),transparent 30%),
linear-gradient(180deg,var(--bg),var(--bg2))}
a{color:#8ecbff;text-decoration:none}
.wrap{width:min(1180px,92%);margin:0 auto}
.site-header{position:sticky;top:0;z-index:30;background:rgba(6,11,22,.82);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav{display:flex;gap:16px;align-items:center;justify-content:space-between;padding:18px 0}
.brand{font-size:1.2rem;font-weight:800;color:#fff}
.menu{display:flex;gap:12px;flex-wrap:wrap}
.menu a{padding:10px 14px;border-radius:999px;border:1px solid var(--line);background:rgba(255,255,255,.03)}
.hero{padding:52px 0 24px}
.grid{display:grid;grid-template-columns:1.2fr .8fr;gap:22px}
.card{background:linear-gradient(180deg,var(--card),var(--card2));border:1px solid var(--line);border-radius:26px;box-shadow:var(--glow)}
.pad{padding:24px}
.kicker{color:#8fc8ff;font-size:.9rem;text-transform:uppercase;letter-spacing:.5px}
h1,h2,h3,h4{margin:.2em 0 .5em}
h1{font-size:clamp(2rem,4vw,3.4rem)}
p{line-height:1.6}
.muted{color:var(--muted)}
.flash{margin-top:18px;padding:14px 16px;border-radius:16px;border:1px solid var(--line)}
.flash--success{background:rgba(0,255,153,.10);border-color:rgba(0,255,153,.35)}
.flash--error{background:rgba(255,77,77,.10);border-color:rgba(255,77,77,.35)}
.flash--info{background:rgba(57,160,255,.10);border-color:rgba(57,160,255,.35)}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 18px;border-radius:14px;border:1px solid var(--line);font-weight:700}
.btn--primary{background:linear-gradient(180deg,#1f84ff,#1262cb);color:#fff}
.btn--ghost{background:rgba(255,255,255,.03);color:#fff}
.form-grid{display:grid;gap:12px}
input,textarea,select{width:100%;padding:14px 15px;border-radius:14px;border:1px solid var(--line);background:#0a1424;color:#fff}
.two{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.section{padding:20px 0}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.stat{padding:18px;border-radius:18px;background:rgba(255,255,255,.03);border:1px solid var(--line)}
.value{font-size:1.6rem;font-weight:800}
.banner-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:18px}
.banner{border-radius:18px;border:1px solid var(--line);padding:18px;background:rgba(255,255,255,.03)}
.video-list{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.site-footer{margin-top:34px;padding:28px 0;border-top:1px solid var(--line);background:rgba(255,255,255,.02)}
.footer-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}

.progress-shell{display:grid;grid-template-columns:180px 1fr;gap:24px;align-items:center;margin-top:22px}
.progress-ring-wrap{position:relative;width:170px;height:170px;display:grid;place-items:center}
.progress-ring{width:170px;height:170px;transform:rotate(-90deg)}
.ring-bg{fill:none;stroke:rgba(255,255,255,.08);stroke-width:10}
.ring-bar{fill:none;stroke:#ff4d4d;stroke-width:10;stroke-linecap:round;filter:drop-shadow(0 0 10px currentColor)}
.ring-text{position:absolute;font-size:2rem;font-weight:800}
.progress-bar-wrap{height:22px;border-radius:999px;background:rgba(255,255,255,.05);overflow:hidden;border:1px solid var(--line);box-shadow:inset 0 0 15px rgba(255,255,255,.03)}
.progress-bar{height:100%;width:0;background:linear-gradient(90deg,#ff2d55,#ff6a00);box-shadow:0 0 18px rgba(255,120,0,.55);transition:width .8s ease, background .8s ease}
.steps-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.step-card{display:flex;gap:14px;align-items:center;padding:16px;border-radius:18px;border:1px solid var(--line);background:rgba(255,255,255,.03)}
.step-icon{width:42px;height:42px;border-radius:50%;display:grid;place-items:center;font-weight:800}
.step-ok .step-icon{background:rgba(0,255,153,.16);color:#00ff99;box-shadow:0 0 18px rgba(0,255,153,.25)}
.step-wait .step-icon{background:rgba(255,208,0,.12);color:#ffd000;box-shadow:0 0 18px rgba(255,208,0,.18)}
.step-title{font-weight:700}
.step-sub{font-size:.9rem;color:var(--muted)}

@media (max-width:900px){
  .grid,.footer-grid,.two,.stats,.banner-grid,.progress-shell,.steps-grid{grid-template-columns:1fr}
  .menu{justify-content:flex-start}
  .progress-ring-wrap{margin:0 auto}
}