/* Duel7.org - brand hub for Duel Casino, Sportsbook and Blackjack Live */
:root{
  --bg:#080912;
  --bg-2:#0c0e1c;
  --surface:#12142a;
  --surface-2:#171a35;
  --surface-3:#1d2140;
  --border:rgba(255,255,255,.08);
  --border-strong:rgba(255,255,255,.14);
  --text:#eef0fb;
  --muted:#a2a8ca;
  --muted-2:#767ca0;
  --brand:#7c5cff;
  --brand-2:#3f7bff;
  --brand-3:#22d3ee;
  --gold:#ffcf5c;
  --green:#31e6a8;
  --red:#ff5b7f;
  --grad:linear-gradient(120deg,#7c5cff 0%,#4f7bff 45%,#22d3ee 100%);
  --grad-soft:linear-gradient(120deg,rgba(124,92,255,.18),rgba(34,211,238,.14));
  --radius:18px;
  --radius-sm:12px;
  --shadow:0 18px 50px rgba(4,6,20,.55);
  --shadow-glow:0 10px 40px rgba(124,92,255,.35);
  --maxw:1200px;
  --fs-body:17px;
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Ubuntu,"Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--text);font-family:var(--font);
  font-size:var(--fs-body);line-height:1.6;-webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;z-index:-2;pointer-events:none;
  background:
    radial-gradient(60% 50% at 15% -5%,rgba(124,92,255,.22),transparent 60%),
    radial-gradient(55% 45% at 90% 0%,rgba(34,211,238,.14),transparent 55%),
    radial-gradient(45% 40% at 50% 110%,rgba(63,123,255,.16),transparent 60%),
    var(--bg);
}
a{color:inherit;text-decoration:none}
img,svg{max-width:100%;display:block}
h1,h2,h3,h4{line-height:1.15;margin:0 0 .5em;letter-spacing:-.02em;font-weight:800}
h1{font-size:clamp(2.4rem,6vw,4.2rem)}
h2{font-size:clamp(1.8rem,4vw,2.9rem)}
h3{font-size:clamp(1.2rem,2.4vw,1.6rem)}
p{margin:0 0 1rem;color:var(--muted)}
strong{color:var(--text);font-weight:700}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 22px}
.wrap-narrow{max-width:900px}

/* ---------- gradient / helpers ---------- */
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.gold-text{color:var(--gold)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:.8rem;font-weight:700;
  letter-spacing:.14em;text-transform:uppercase;color:var(--brand-3);margin-bottom:14px}
.eyebrow::before{content:"";width:26px;height:2px;border-radius:2px;background:var(--grad)}
.section{padding:clamp(56px,9vw,110px) 0;position:relative}
.section-head{max-width:720px;margin:0 auto clamp(34px,5vw,58px);text-align:center}
.section-head p{font-size:1.05rem}
.lead{font-size:1.15rem;color:var(--muted)}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:15px 26px;border-radius:999px;font-weight:700;font-size:1rem;cursor:pointer;
  border:1px solid transparent;transition:transform .18s ease,box-shadow .18s ease,background .18s ease,border-color .18s ease;
  white-space:nowrap}
.btn svg{width:18px;height:18px}
.btn-primary{background:var(--grad);color:#0a0a17;box-shadow:var(--shadow-glow)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 46px rgba(124,92,255,.5)}
.btn-ghost{background:rgba(255,255,255,.04);border-color:var(--border-strong);color:var(--text)}
.btn-ghost:hover{background:rgba(255,255,255,.09);transform:translateY(-2px)}
.btn-lg{padding:18px 34px;font-size:1.08rem}
.btn-block{width:100%}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60;backdrop-filter:blur(14px);
  background:rgba(8,9,18,.72);border-bottom:1px solid var(--border)}
.nav{display:flex;align-items:center;gap:22px;height:72px}
.brand{display:flex;align-items:center;gap:11px;font-weight:800;font-size:1.15rem;letter-spacing:-.02em}
.brand .logo{width:38px;height:38px;flex:0 0 auto}
.brand small{display:block;font-size:.62rem;font-weight:700;letter-spacing:.22em;color:var(--muted-2);text-transform:uppercase}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:14px}
.nav-links a{padding:9px 14px;border-radius:10px;color:var(--muted);font-weight:600;font-size:.98rem;transition:color .15s,background .15s}
.nav-links a:hover,.nav-links a.active{color:var(--text);background:rgba(255,255,255,.06)}
.nav-cta{margin-left:auto;display:flex;align-items:center;gap:10px}
.nav-toggle{display:none;background:none;border:1px solid var(--border-strong);border-radius:10px;
  width:44px;height:44px;color:var(--text);cursor:pointer;align-items:center;justify-content:center}
.nav-toggle svg{width:22px;height:22px}

/* ---------- hero ---------- */
.hero{padding:clamp(56px,8vw,96px) 0 clamp(40px,6vw,72px);position:relative}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:54px;align-items:center}
.hero h1{margin-bottom:.35em}
.hero .lead{max-width:560px;margin-bottom:28px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px 18px;color:var(--muted);font-size:.92rem}
.hero-badges span{display:inline-flex;align-items:center;gap:8px}
.hero-badges svg{width:18px;height:18px;color:var(--green)}
.pill{display:inline-flex;align-items:center;gap:8px;padding:7px 14px;border-radius:999px;
  background:var(--grad-soft);border:1px solid var(--border-strong);font-size:.85rem;font-weight:700;
  color:var(--text);margin-bottom:22px}
.pill .dot{width:8px;height:8px;border-radius:50%;background:var(--green);box-shadow:0 0 12px var(--green)}

/* hero visual (SVG cards + chips) */
.hero-visual{position:relative;min-height:360px;display:grid;place-items:center}
.hero-visual .glow{position:absolute;width:70%;height:70%;border-radius:50%;
  background:var(--grad);filter:blur(80px);opacity:.35;z-index:0}
.hero-visual .stage{position:relative;z-index:1;width:100%;max-width:420px}

/* ---------- feature cards ---------- */
.grid{display:grid;gap:20px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.card{background:linear-gradient(180deg,rgba(255,255,255,.04),rgba(255,255,255,.015));
  border:1px solid var(--border);border-radius:var(--radius);padding:26px;
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;position:relative;overflow:hidden}
.card:hover{transform:translateY(-4px);border-color:var(--border-strong);box-shadow:var(--shadow)}
.card .ic{width:52px;height:52px;border-radius:14px;display:grid;place-items:center;margin-bottom:16px;
  background:var(--grad-soft);border:1px solid var(--border-strong)}
.card .ic svg{width:26px;height:26px;color:var(--brand-3)}
.card h3{margin-bottom:.4em}
.card p{margin:0;font-size:.98rem}

/* ---------- stats ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;
  background:linear-gradient(180deg,rgba(255,255,255,.045),rgba(255,255,255,.01));
  border:1px solid var(--border);border-radius:var(--radius);padding:30px}
.stat{text-align:center}
.stat b{display:block;font-size:clamp(1.7rem,3.4vw,2.6rem);font-weight:800;letter-spacing:-.03em}
.stat span{color:var(--muted);font-size:.9rem}

/* ---------- CTA band ---------- */
.cta-band{position:relative;border-radius:26px;padding:clamp(34px,5vw,60px);text-align:center;overflow:hidden;
  background:radial-gradient(120% 140% at 50% -20%,rgba(124,92,255,.35),transparent 60%),var(--surface)}
.cta-band::after{content:"";position:absolute;inset:0;border-radius:26px;border:1px solid var(--border-strong);pointer-events:none}
.cta-band h2{margin-bottom:.3em}
.cta-band p{max-width:560px;margin:0 auto 26px}

/* ---------- sportsbook cards ---------- */
.sport-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.sport-card{position:relative;border-radius:var(--radius);padding:22px;min-height:170px;
  border:1px solid var(--border);overflow:hidden;display:flex;flex-direction:column;justify-content:space-between;
  background:linear-gradient(160deg,var(--surface-2),var(--surface));transition:transform .2s,border-color .2s,box-shadow .2s}
.sport-card:hover{transform:translateY(-4px);border-color:var(--border-strong);box-shadow:var(--shadow)}
.sport-card .sc-glow{position:absolute;right:-30px;top:-30px;width:150px;height:150px;border-radius:50%;
  filter:blur(50px);opacity:.5;background:var(--accent,var(--brand))}
.sport-card .sc-ic{width:50px;height:50px;border-radius:13px;display:grid;place-items:center;position:relative;z-index:1;
  background:rgba(255,255,255,.06);border:1px solid var(--border-strong)}
.sport-card .sc-ic svg{width:28px;height:28px;color:#fff}
.sport-card h3{position:relative;z-index:1;margin:16px 0 2px;font-size:1.15rem}
.sport-card .sc-meta{position:relative;z-index:1;color:var(--muted);font-size:.85rem;margin:0}
.sport-card .sc-tag{position:absolute;top:18px;right:18px;z-index:1;font-size:.68rem;font-weight:800;letter-spacing:.1em;
  text-transform:uppercase;color:var(--gold)}

/* odds / feature rows */
.feature-split{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.feature-list{list-style:none;padding:0;margin:18px 0 0;display:grid;gap:14px}
.feature-list li{display:flex;gap:13px;align-items:flex-start;color:var(--muted)}
.feature-list li svg{width:22px;height:22px;flex:0 0 auto;color:var(--green);margin-top:3px}
.feature-list li b{color:var(--text)}
.panel{background:linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.015));
  border:1px solid var(--border);border-radius:var(--radius);padding:26px}

/* bet slip mock */
.betslip{max-width:380px;margin:0 auto}
.betslip .bs-row{display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:14px 16px;border-radius:12px;background:rgba(255,255,255,.04);border:1px solid var(--border);margin-bottom:10px}
.betslip .bs-team{font-weight:700}
.betslip .bs-odd{font-weight:800;color:var(--brand-3);background:rgba(34,211,238,.12);padding:6px 12px;border-radius:9px}
.betslip .bs-foot{display:flex;justify-content:space-between;padding:14px 16px;border-top:1px dashed var(--border);margin-top:6px}
.betslip .bs-foot b{color:var(--gold)}

/* ---------- blackjack ---------- */
.bj-hero{position:relative;border-radius:26px;overflow:hidden;padding:clamp(34px,6vw,72px) clamp(22px,4vw,56px);
  background:radial-gradient(120% 120% at 80% -10%,rgba(49,230,168,.18),transparent 55%),
             radial-gradient(90% 90% at 0% 100%,rgba(124,92,255,.28),transparent 55%),var(--surface)}
.bj-hero::after{content:"";position:absolute;inset:0;border-radius:26px;border:1px solid var(--border-strong);pointer-events:none}
.tag-row{display:flex;flex-wrap:wrap;gap:9px;margin:20px 0 0}
.tag{padding:7px 13px;border-radius:999px;font-size:.82rem;font-weight:700;
  background:rgba(255,255,255,.06);border:1px solid var(--border-strong);color:var(--text)}

/* stars strip */
.stars-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.star-card{border-radius:var(--radius);border:1px solid var(--border);padding:20px;
  background:linear-gradient(170deg,var(--surface-2),var(--surface));position:relative;overflow:hidden}
.star-card .initials{width:54px;height:54px;border-radius:50%;display:grid;place-items:center;font-weight:800;font-size:1.2rem;
  background:var(--grad);color:#0a0a17;margin-bottom:14px}
.star-card h4{margin:0 0 4px;font-size:1.08rem}
.star-card p{margin:0;font-size:.88rem}

/* calculator */
.calc{display:grid;grid-template-columns:1fr 1fr;gap:0;border-radius:var(--radius);overflow:hidden;
  border:1px solid var(--border);background:var(--surface)}
.calc-controls{padding:30px;border-right:1px solid var(--border)}
.calc-result{padding:30px;background:linear-gradient(180deg,rgba(124,92,255,.12),rgba(34,211,238,.06))}
.field{margin-bottom:22px}
.field label{display:flex;justify-content:space-between;font-weight:700;font-size:.9rem;margin-bottom:9px;color:var(--muted)}
.field label b{color:var(--text)}
.field input[type=number]{width:100%;padding:13px 15px;border-radius:11px;background:rgba(0,0,0,.3);
  border:1px solid var(--border-strong);color:var(--text);font-size:1.05rem;font-weight:700;font-family:inherit}
.field input[type=range]{width:100%;accent-color:var(--brand);margin-top:4px}
.field input:focus{outline:2px solid var(--brand);outline-offset:1px}
.calc-out{display:grid;gap:14px}
.calc-out .row{display:flex;justify-content:space-between;align-items:center;padding:16px;border-radius:12px;
  border:1px solid var(--border)}
.calc-out .row.win-32{background:rgba(49,230,168,.1);border-color:rgba(49,230,168,.3)}
.calc-out .row.win-65{background:rgba(255,91,127,.08);border-color:rgba(255,91,127,.28)}
.calc-out .row .k{font-size:.85rem;color:var(--muted)}
.calc-out .row .v{font-size:1.5rem;font-weight:800}
.calc-out .row.win-32 .v{color:var(--green)}
.calc-out .row.win-65 .v{color:var(--red)}
.calc-verdict{margin-top:18px;padding:18px;border-radius:12px;background:rgba(255,207,92,.1);
  border:1px solid rgba(255,207,92,.3);font-size:1rem;color:var(--text)}
.calc-verdict b{color:var(--gold)}

/* rakeback highlight */
.rake{display:grid;grid-template-columns:auto 1fr;gap:26px;align-items:center;
  border-radius:22px;padding:clamp(26px,4vw,44px);
  background:radial-gradient(100% 120% at 0% 0%,rgba(49,230,168,.18),transparent 60%),var(--surface);
  border:1px solid var(--border-strong)}
.rake .big{font-size:clamp(3rem,9vw,5.5rem);font-weight:900;line-height:1;letter-spacing:-.04em}
.rake .big span{font-size:.4em;vertical-align:top}

/* video grid */
.video-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.video-card{position:relative;border-radius:var(--radius);overflow:hidden;border:1px solid var(--border);
  aspect-ratio:16/9;cursor:pointer;background:#000}
.video-card .thumb{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.85}
.video-card .vc-fallback{position:absolute;inset:0;background:
  radial-gradient(90% 90% at 30% 20%,rgba(124,92,255,.4),transparent 60%),
  radial-gradient(80% 80% at 90% 90%,rgba(34,211,238,.3),transparent 60%),var(--surface-2)}
.video-card .play{position:absolute;inset:0;margin:auto;width:70px;height:70px;border-radius:50%;
  display:grid;place-items:center;background:rgba(10,10,23,.55);border:2px solid rgba(255,255,255,.6);
  transition:transform .2s,background .2s;z-index:2}
.video-card .play svg{width:26px;height:26px;color:#fff;margin-left:3px}
.video-card:hover .play{transform:scale(1.1);background:var(--brand)}
.video-card .vc-label{position:absolute;left:16px;bottom:14px;z-index:2;font-weight:700;
  text-shadow:0 2px 10px rgba(0,0,0,.7)}
.video-card .vc-label small{display:block;font-weight:600;color:var(--muted);font-size:.78rem}
.video-card iframe{position:absolute;inset:0;width:100%;height:100%;border:0}

/* FAQ */
.faq{display:grid;gap:12px;max-width:820px;margin:0 auto}
.faq details{border:1px solid var(--border);border-radius:14px;background:rgba(255,255,255,.03);overflow:hidden}
.faq summary{cursor:pointer;padding:18px 22px;font-weight:700;list-style:none;display:flex;justify-content:space-between;gap:16px;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:1.4rem;color:var(--brand-3);transition:transform .2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{margin:0;padding:0 22px 20px;font-size:.98rem}

/* ---------- footer ---------- */
.site-footer{border-top:1px solid var(--border);padding:56px 0 34px;margin-top:20px;background:var(--bg-2)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:34px;margin-bottom:34px}
.footer-grid h4{font-size:.82rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted-2);margin-bottom:14px}
.footer-grid a{display:block;color:var(--muted);padding:5px 0;font-size:.95rem}
.footer-grid a:hover{color:var(--text)}
.footer-brand p{font-size:.92rem;max-width:340px}
.footer-bottom{border-top:1px solid var(--border);padding-top:22px;display:flex;justify-content:space-between;
  gap:16px;flex-wrap:wrap;color:var(--muted-2);font-size:.82rem}
.age{display:inline-flex;align-items:center;gap:8px;font-weight:700;color:var(--muted)}
.age .b18{width:28px;height:28px;border-radius:50%;border:2px solid var(--red);color:var(--red);
  display:grid;place-items:center;font-size:.72rem;font-weight:800}

/* screenshots / browser frame */
.browser{border:1px solid var(--border-strong);border-radius:16px;overflow:hidden;background:var(--surface);box-shadow:var(--shadow)}
.browser-bar{display:flex;align-items:center;gap:7px;padding:11px 14px;background:rgba(255,255,255,.05);border-bottom:1px solid var(--border)}
.browser-bar i{width:11px;height:11px;border-radius:50%;background:#3a3f63;display:block}
.browser-bar i:nth-child(1){background:#ff5b7f}
.browser-bar i:nth-child(2){background:#ffcf5c}
.browser-bar i:nth-child(3){background:#31e6a8}
.browser-bar .u{margin-left:10px;font:600 .78rem/1 ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--muted);background:rgba(0,0,0,.35);padding:6px 12px;border-radius:8px;border:1px solid var(--border)}
.browser img{display:block;width:100%;height:auto}
.shot-cap{margin:14px 0 0;text-align:center;color:var(--muted-2);font-size:.86rem}
.shot-wide{max-width:980px;margin:0 auto}

/* steps */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.step-card{position:relative;background:linear-gradient(180deg,rgba(255,255,255,.04),rgba(255,255,255,.015));border:1px solid var(--border);border-radius:var(--radius);padding:26px}
.step-card .n{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;font-weight:800;font-size:1.1rem;background:var(--grad);color:#0a0a17;margin-bottom:14px}
.step-card h3{margin:0 0 .35em;font-size:1.12rem}
.step-card p{margin:0;font-size:.95rem}

/* coins */
.coins{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;max-width:760px;margin:0 auto}
.coin{display:inline-flex;align-items:center;gap:9px;padding:9px 16px;border-radius:999px;background:rgba(255,255,255,.04);border:1px solid var(--border-strong);font-weight:700;font-size:.9rem}
.coin b{width:9px;height:9px;border-radius:50%;background:var(--grad)}

/* rakeback example */
.rk-example{border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}
.rk-example .r{display:flex;justify-content:space-between;gap:16px;padding:16px 20px;border-bottom:1px solid var(--border)}
.rk-example .r:last-child{border-bottom:0;background:rgba(49,230,168,.09)}
.rk-example .r span{color:var(--muted)}
.rk-example .r b{font-weight:800;color:var(--text)}
.rk-example .r:last-child b{color:var(--green)}

/* reveal animation */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media(max-width:960px){
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-visual{min-height:280px;order:-1}
  .grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}
  .sport-grid{grid-template-columns:repeat(2,1fr)}
  .stats{grid-template-columns:repeat(2,1fr)}
  .stars-strip{grid-template-columns:repeat(2,1fr)}
  .feature-split{grid-template-columns:1fr;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:720px){
  .nav-links,.nav-cta .btn-ghost{display:none}
  .nav-toggle{display:flex}
  .nav-cta{margin-left:auto}
  .mobile-open .nav-links{display:flex;position:absolute;top:72px;left:0;right:0;flex-direction:column;
    background:var(--bg-2);border-bottom:1px solid var(--border);padding:14px 22px;gap:4px}
  .mobile-open .nav-links a{padding:13px}
  .calc{grid-template-columns:1fr}
  .calc-controls{border-right:none;border-bottom:1px solid var(--border)}
  .video-grid{grid-template-columns:1fr}
  .rake{grid-template-columns:1fr;text-align:center}
  .steps{grid-template-columns:1fr}
}
@media(max-width:520px){
  .grid-3,.grid-4,.grid-2,.sport-grid,.stars-strip,.footer-grid{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr 1fr}
  h1{font-size:2.2rem}
}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto}}