:root{
    --bg:#081224;
    --bg2:#0f1c33;
    --card:#ffffff;
    --text:#0f172a;
    --muted:#64748b;
    --line:#e2e8f0;
    --accent:#2563eb;
    --accent2:#1d4ed8;
    --shadow:0 20px 60px rgba(2,6,23,.15);
    --radius:22px;
    --header-offset:92px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,Arial,sans-serif;background:#f8fafc;color:var(--text);line-height:1.6}
a{text-decoration:none;color:inherit}
.container{width:min(1160px,calc(100% - 32px));margin:0 auto}
.topbar{position:sticky;top:0;z-index:100;background:rgba(8,18,36,.88);backdrop-filter:blur(14px);border-bottom:1px solid rgba(255,255,255,.08)}
.topbar-inner{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:flex;align-items:center;gap:12px;color:white;font-weight:800}
.brand-mark{width:42px;height:42px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(135deg,var(--accent),#60a5fa);color:white;font-weight:900;box-shadow:0 12px 30px rgba(37,99,235,.35)}
.nav{display:flex;gap:12px;flex-wrap:wrap}
.nav a{color:#dbeafe;padding:10px 14px;border-radius:999px}
.nav a:hover{background:rgba(255,255,255,.08)}
.hero{
    background:
        radial-gradient(circle at top left, rgba(37,99,235,.22), transparent 30%),
        radial-gradient(circle at top right, rgba(96,165,250,.18), transparent 25%),
        linear-gradient(180deg,var(--bg),var(--bg2));
    color:white;
    padding:74px 0 58px;
    scroll-margin-top:var(--header-offset)
}
section{padding:72px 0;scroll-margin-top:var(--header-offset)}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:28px;align-items:center}
h1{margin:0 0 14px;font-size:clamp(2.3rem,5vw,4.2rem);line-height:1.05;letter-spacing:-.04em}
.lead{margin:0;color:#cbd5e1;font-size:1.05rem;max-width:740px}
.hero-box{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);border-radius:28px;padding:24px;box-shadow:0 24px 80px rgba(0,0,0,.2)}
.hero-box h3{margin:0 0 12px}
.hero-list{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.hero-list li{padding:12px 14px;border-radius:16px;background:rgba(255,255,255,.05);color:#e2e8f0}
.section-title{margin:0 0 10px;font-size:clamp(1.9rem,4vw,3rem);line-height:1.1}
.section-text{margin:0 0 26px;color:var(--muted);max-width:840px}
.form-card,.summary-card,.rules-card{background:var(--card);border:1px solid var(--line);border-radius:28px;box-shadow:var(--shadow);padding:24px}
.form-layout{display:grid;grid-template-columns:1fr 360px;gap:24px;align-items:start}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:grid;gap:8px}
.field.full{grid-column:1/-1}
.field label{font-size:.95rem;font-weight:800}
.field small{color:var(--muted)}
.char-counter{font-size:.92rem;font-weight:800;color:var(--muted)}
.char-counter.limit-near{color:#b45309}
.char-counter.limit-hit{color:#b91c1c}
input[type="text"],input[type="email"],input[type="tel"],input[type="url"],input[type="number"],textarea,select{
    width:100%;
    border:1px solid #cbd5e1;
    border-radius:16px;
    padding:14px;
    font:inherit;
    background:#fff;
    color:#0f172a;
    outline:none
}
textarea{resize:vertical;min-height:120px}
input:focus,textarea:focus,select:focus{border-color:var(--accent);box-shadow:0 0 0 4px rgba(37,99,235,.12)}
.inline-row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.btn{border:none;border-radius:14px;padding:12px 16px;font:inherit;font-weight:800;cursor:pointer}
.btn-primary{background:linear-gradient(135deg,var(--accent),var(--accent2));color:white;box-shadow:0 14px 40px rgba(37,99,235,.28)}
.btn-light{background:#eff6ff;color:#1d4ed8}
.social-item,.extra-desc-item{display:flex;gap:10px;align-items:flex-start;margin-bottom:10px}
.social-item input,.extra-desc-item textarea{flex:1}
.remove-btn{background:#fee2e2;color:#991b1b;border:none;border-radius:12px;padding:12px 14px;cursor:pointer;font-weight:800}
.extra-desc-inner{flex:1;display:grid;gap:8px}
.choice-grid{display:grid;gap:12px}
.choice{border:1px solid var(--line);border-radius:18px;padding:14px;background:#fff}
.choice label{display:flex;gap:10px;align-items:flex-start;font-weight:700}
.choice small{display:block;margin-left:28px;color:var(--muted);margin-top:6px}
.summary-card{position:sticky;top:94px}
.summary-list{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.summary-list li{display:flex;justify-content:space-between;gap:12px;padding-bottom:10px;border-bottom:1px solid #eef2f7}
.price-big{font-size:2.2rem;font-weight:900;color:#1d4ed8;line-height:1}
.price-note{color:var(--muted)}
.floating-price{
    position:fixed;
    top:88px;
    right:16px;
    z-index:99;
    border-radius:999px;
    box-shadow:0 20px 60px rgba(2,6,23,.22);
    background:#0f172a;
    color:white;
    border:1px solid rgba(255,255,255,.08);
    transition:.25s ease;
    opacity:0;
    transform:translateY(-8px);
    pointer-events:none;
    padding:12px 16px;
    white-space:nowrap;
    font-weight:800
}
.floating-price.show{opacity:1;transform:translateY(0);pointer-events:auto}
.floating-price.linklike{cursor:pointer}
.alert{padding:14px 16px;border-radius:16px;margin-bottom:18px;font-weight:700}
.alert-success{background:#ecfdf5;border:1px solid #bbf7d0;color:#166534}
.alert-error{background:#fef2f2;border:1px solid #fecaca;color:#991b1b}
.rule-list{margin:0;padding-left:18px;color:#334155}
.rule-list li{margin-bottom:10px}
.reveal{opacity:0;transform:translateY(30px);transition:opacity .7s ease, transform .7s ease}
.reveal.visible{opacity:1;transform:translateY(0)}
.hidden-bot{position:absolute!important;left:-9999px!important;opacity:0!important;width:1px!important;height:1px!important}
.otp-wrap{display:grid;grid-template-columns:repeat(10, minmax(0, 1fr));gap:8px}
.otp-input{text-align:center;font-weight:900;font-size:1rem;text-transform:uppercase;padding:12px 6px !important}
@media (max-width:980px){
    .hero-grid,.form-layout{grid-template-columns:1fr}
    .summary-card{position:static}
}
@media (max-width:720px){
    :root{--header-offset:110px}
    .topbar-inner{flex-direction:column;align-items:flex-start;padding:14px 0}
    .hero{padding-top:46px}
    .form-grid{grid-template-columns:1fr}
    .floating-price{
        right:12px;
        left:12px;
        top:auto;
        bottom:12px;
        min-width:0;
        max-width:none;
        white-space:normal;
        text-align:center;
        border-radius:18px
    }
    .otp-wrap{grid-template-columns:repeat(5, minmax(0,1fr))}
}