:root{
  /* Фирменная палитра 1xbet */
  --brand-navy:#071e3d;        /* глубокий тёмно-синий фон */
  --brand-navy-2:#0d2f5c;      /* синий средний */
  --brand-navy-3:#123e72;      /* синий UI */
  --brand-blue:#1a97f0;        /* основной голубой */
  --brand-blue-2:#1fa5ff;      /* акцентный светло-голубой */
  --brand-blue-dark:#0f6fbd;
  --brand-green:#2eb872;       /* зелёный акцент (кнопки, live) */
  --brand-green-dark:#249c5f;
  --brand-yellow:#ffcc00;

  --bg:#f2f5f9;
  --surface:#ffffff;
  --ink:#0b1c33;
  --ink-soft:#3d5474;
  --line:#d8e2ef;
  --shadow:0 2px 12px rgba(7,30,61,.10);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"Malgun Gothic","Apple SD Gothic Neo","Noto Sans KR",Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-text-size-adjust:100%;
}
.wrap{width:100%;max-width:1060px;margin:0 auto;padding:0 20px}
a{color:var(--brand-blue-dark);text-decoration:none}
a:hover{text-decoration:underline}

/* header */
.site-header{
  position:sticky;top:0;z-index:50;
  background:var(--brand-navy);
  border-bottom:3px solid var(--brand-blue);
  box-shadow:0 2px 10px rgba(0,0,0,.18);
}
.header-inner{display:flex;align-items:center;gap:20px;min-height:66px;flex-wrap:wrap}
.brand{display:inline-flex;align-items:center;flex:0 0 auto}
.brand:hover{text-decoration:none}
.brand-logo{width:158px;height:44px;display:block}
.top-nav{display:flex;gap:4px;flex-wrap:wrap;margin-left:auto}
.top-nav a{
  font-size:14px;font-weight:600;color:#c3d8f0;
  padding:6px 11px;border-radius:5px;
}
.top-nav a:hover{background:var(--brand-navy-3);color:#ffffff;text-decoration:none}

/* hero */
.hero{
  background:
    radial-gradient(1000px 420px at 78% 8%, rgba(26,151,240,.30) 0%, rgba(26,151,240,0) 62%),
    linear-gradient(168deg,#071e3d 0%,#0d2f5c 52%,#071e3d 100%);
  color:#e8f2fc;
  padding:46px 0 50px;
  border-bottom:1px solid #0d2f5c;
}
.kicker{
  display:inline-block;margin:0 0 10px;
  font-size:13px;font-weight:700;letter-spacing:.4px;
  color:#8fd0ff;background:rgba(26,151,240,.16);
  border:1px solid rgba(31,165,255,.42);
  padding:4px 12px;border-radius:4px;
}
.hero h1{
  margin:0 0 16px;
  font-size:31px;line-height:1.35;font-weight:800;color:#ffffff;
  word-break:keep-all;
}
.hero .lead{margin:0 0 24px;font-size:16.5px;color:#c2d8ef;max-width:900px}

.cta-block{display:flex;flex-wrap:wrap;gap:14px;margin:0 0 12px}
.btn{
  display:inline-block;text-align:center;
  padding:15px 26px;border-radius:5px;
  font-size:16.5px;font-weight:700;line-height:1.2;
  border:2px solid transparent;transition:.15s ease;
}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn-primary{
  background:linear-gradient(180deg,var(--brand-blue-2),var(--brand-blue));
  color:#ffffff;border-color:var(--brand-blue);
  box-shadow:0 3px 0 var(--brand-blue-dark);
}
.btn-primary:hover{background:linear-gradient(180deg,#3fb2ff,#1fa5ff)}
.btn-secondary{
  background:linear-gradient(180deg,#37c584,var(--brand-green));
  color:#ffffff;border-color:var(--brand-green);
  box-shadow:0 3px 0 var(--brand-green-dark);
}
.btn-secondary:hover{background:linear-gradient(180deg,#46d492,#2eb872)}
.btn-sm{padding:11px 18px;font-size:15px}
.cta-note{margin:0 0 26px;font-size:14.5px;color:#a7c2de;max-width:880px}

/* promo */
.promo-box{
  background:rgba(26,151,240,.10);
  border:1px dashed var(--brand-blue-2);
  border-radius:6px;padding:18px 20px;margin:0 0 24px;max-width:520px;
}
.promo-label{margin:0 0 6px;font-size:13.5px;font-weight:700;color:#8fd0ff;letter-spacing:.3px}
.promo-code{
  margin:0 0 8px;font-size:30px;font-weight:800;letter-spacing:3px;
  color:var(--brand-yellow);font-family:Consolas,Menlo,monospace;
}
.promo-hint{margin:0;font-size:14px;color:#bcd4ec}
.promo-box-inline{
  background:#eef6ff;border:1px dashed var(--brand-blue);
  box-shadow:var(--shadow);max-width:640px;margin:22px 0 26px;
}
.promo-box-inline .promo-label{color:var(--ink-soft)}
.promo-box-inline .promo-code{color:var(--brand-navy-3)}
.promo-box-inline .promo-hint{color:var(--ink-soft);margin-bottom:14px}

.fact-list{
  list-style:none;display:flex;flex-wrap:wrap;gap:10px 22px;
  margin:0;padding:0;font-size:14.5px;color:#bcd4ec;
}
.fact-list li{position:relative;padding-left:14px}
.fact-list li::before{
  content:"";position:absolute;left:0;top:12px;
  width:6px;height:6px;border-radius:50%;background:var(--brand-blue-2);
}

/* sections */
.section{padding:44px 0;border-bottom:1px solid var(--line)}
.section-alt{background:var(--surface)}
.section h2{
  margin:0 0 18px;font-size:25px;line-height:1.4;font-weight:800;color:var(--brand-navy);
  padding-bottom:10px;border-bottom:3px solid var(--brand-blue);display:inline-block;
  word-break:keep-all;
}
.section h3{margin:30px 0 12px;font-size:19px;font-weight:700;color:var(--brand-navy-3)}
.section p{margin:0 0 14px;color:var(--ink-soft)}

/* lists */
.step-list{margin:0 0 16px;padding-left:22px}
.step-list li{margin-bottom:10px;color:var(--ink-soft)}
.step-list li::marker{color:var(--brand-blue);font-weight:700}
.check-list{list-style:none;margin:0 0 16px;padding:0}
.check-list li{
  position:relative;padding:8px 0 8px 24px;
  border-bottom:1px solid var(--line);color:var(--ink-soft);
}
.check-list li::before{
  content:"";position:absolute;left:4px;top:19px;
  width:8px;height:8px;border-radius:2px;background:var(--brand-blue);
}

/* tables */
.table-scroll{overflow-x:auto;margin:0 0 20px;border:1px solid var(--line);border-radius:6px;background:#fff}
.data-table{width:100%;border-collapse:collapse;min-width:520px;font-size:15px}
.data-table th{
  background:var(--brand-navy-3);color:#ffffff;text-align:left;
  padding:12px 14px;font-weight:700;font-size:14.5px;
}
.data-table td{padding:12px 14px;border-top:1px solid var(--line);color:var(--ink-soft);vertical-align:top}
.data-table tbody tr:nth-child(even){background:#f5f9fe}

/* os cards */
.os-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px;margin:20px 0 24px}
.os-card{
  background:#fff;border:1px solid var(--line);border-top:4px solid var(--brand-blue);
  border-radius:6px;padding:20px;box-shadow:var(--shadow);
  display:flex;flex-direction:column;
}
.os-card h3{margin:0 0 10px;font-size:18px;color:var(--brand-navy)}
.os-card p{margin:0 0 16px;font-size:15px;color:var(--ink-soft);flex:1}

/* faq */
.faq-list{display:flex;flex-direction:column;gap:10px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-left:4px solid var(--brand-blue);
  border-radius:6px;padding:0 16px;
}
.faq-item summary{
  cursor:pointer;padding:14px 0;font-weight:700;color:var(--brand-navy);font-size:16px;
  list-style:none;position:relative;padding-right:26px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";position:absolute;right:2px;top:12px;
  font-size:20px;font-weight:700;color:var(--brand-blue);
}
.faq-item[open] summary::after{content:"-"}
.faq-item p{margin:0 0 16px;color:var(--ink-soft);font-size:15.5px}

/* final cta */
.final-cta{
  background:
    radial-gradient(760px 320px at 20% 100%, rgba(26,151,240,.26) 0%, rgba(26,151,240,0) 60%),
    linear-gradient(168deg,#0d2f5c,#071e3d);
  color:#e2eefb;border-bottom:none;
}
.final-cta h2{color:#ffffff;border-bottom-color:var(--brand-blue-2)}
.final-cta p{color:#bcd4ec}

/* footer */
.site-footer{background:#04142a;color:#8ba7c6;padding:32px 0;font-size:14px;border-top:3px solid var(--brand-blue)}
.site-footer p{margin:0 0 10px}
.footer-brand{font-size:17px;font-weight:800;color:#ffffff;letter-spacing:.4px}
.footer-meta{color:#6d88a6;font-size:13px;margin:0}

@media (max-width:760px){
  .hero{padding:32px 0 36px}
  .hero h1{font-size:25px}
  .section{padding:34px 0}
  .section h2{font-size:21px}
  .top-nav{width:100%;margin-left:0;overflow-x:auto;padding-bottom:6px}
  .top-nav a{white-space:nowrap;padding:6px 8px;font-size:13.5px}
  .btn{width:100%}
  .promo-code{font-size:26px}
}