:root{
  --bg:#f6f8fc;--surface:#fff;--surface2:#eef2f8;--ink:#161a2d;--ink2:#5f6985;--nav:#0e1230;
  --border:#dfe4ef;--accent:#4d6bff;--accent2:#3a54d9;--tint:#edf1ff;--success:#1eaf63;--warn:#f59e0b;
  --shadow:0 14px 40px rgba(37,45,82,.09);--radius:22px;--max:1180px;
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--ink);line-height:1.65}img{max-width:100%;display:block}a{color:var(--accent2);text-decoration:none}a:hover{text-decoration:none}.container{width:min(var(--max),calc(100% - 40px));margin:auto}.section{padding:78px 0}.section.alt{background:var(--surface2)}.section.tight{padding:48px 0}.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:7px 11px;border-radius:999px;background:var(--tint);color:var(--accent2);font-weight:800;font-size:.82rem;letter-spacing:.02em}.eyebrow:before{content:"";width:8px;height:8px;border-radius:50%;background:var(--accent)}h1,h2,h3{line-height:1.12;margin:0 0 18px}h1{font-size:clamp(2.2rem,5vw,4.35rem);letter-spacing:-.045em}h2{font-size:clamp(1.65rem,3.5vw,2.7rem);letter-spacing:-.03em}h3{font-size:1.25rem;letter-spacing:-.015em}p{margin:0 0 16px;color:#333b54}.lead{font-size:1.12rem;color:#4e5875;max-width:780px}.muted{color:var(--ink2)}.kicker{font-weight:800;color:var(--accent2)}
.header{position:sticky;top:0;z-index:50;background:rgba(14,18,48,.97);backdrop-filter:blur(16px);border-bottom:1px solid rgba(255,255,255,.06)}.header-inner{height:72px;display:flex;align-items:center;gap:22px}.brand{display:flex;align-items:center;flex:0 0 auto}.brand img{height:28px;width:auto}.nav{display:flex;align-items:center;gap:4px;flex:1}.nav-item{position:relative}.nav-link{display:flex;align-items:center;gap:8px;padding:11px 12px;color:#bcc5ea;border-radius:12px;font-weight:750;font-size:.93rem}.nav-link:hover,.nav-link.active{background:rgba(255,255,255,.06);color:white}.nav-link svg{width:17px;height:17px;opacity:.88}.dropdown{position:absolute;top:48px;left:0;display:none;background:#141a43;border:1px solid rgba(255,255,255,.08);padding:9px;border-radius:16px;min-width:220px;box-shadow:0 18px 45px rgba(0,0,0,.25)}.nav-item:hover .dropdown{display:block}.dropdown a{display:block;padding:10px 12px;border-radius:10px;color:#cbd2ee;font-weight:650}.dropdown a:hover{background:rgba(255,255,255,.07);color:#fff}.header-actions{display:flex;gap:8px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:12px;padding:12px 17px;font-weight:850;cursor:pointer;transition:.2s ease;font-size:.94rem}.btn-primary{background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff;box-shadow:0 8px 20px rgba(77,107,255,.18)}.btn-primary:hover{transform:translateY(-1px);box-shadow:0 10px 28px rgba(77,107,255,.3);color:#fff}.btn-secondary{background:#2b345f;color:#fff}.btn-secondary:hover{background:#35406f;color:#fff}.btn-light{background:#fff;color:var(--accent2);box-shadow:var(--shadow)}.btn-ghost{background:transparent;border:1px solid var(--border);color:var(--ink)}.burger{display:none;margin-left:auto;width:42px;height:42px;border:0;border-radius:11px;background:#232b57;color:white;font-size:22px}.mobile-nav{display:none;background:#0e1230;border-top:1px solid rgba(255,255,255,.06);padding:12px 20px 20px}.mobile-nav.open{display:block}.mobile-nav a{display:flex;padding:12px;color:#d2d7ef;font-weight:700;border-radius:10px}.mobile-nav a:hover{background:#1b224d;color:white}.mobile-actions{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:12px}
.hero{padding:78px 0 58px;position:relative;overflow:hidden;background:radial-gradient(circle at 82% 14%,rgba(77,107,255,.18),transparent 30%),linear-gradient(180deg,#f7f9ff 0%,#f6f8fc 100%)}.hero-grid{display:grid;grid-template-columns:1.06fr .94fr;gap:56px;align-items:center}.hero p{font-size:1.09rem}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:28px 0 22px}.hero-points{display:flex;gap:10px;flex-wrap:wrap}.pill{background:#fff;border:1px solid var(--border);padding:8px 11px;border-radius:999px;font-size:.84rem;font-weight:750;color:#4c5671;box-shadow:0 5px 20px rgba(36,46,90,.05)}.hero-visual{position:relative}.hero-card{background:#111632;border-radius:28px;padding:18px;box-shadow:0 28px 70px rgba(24,31,68,.23);transform:rotate(1deg)}.hero-card img{border-radius:18px}.float-card{position:absolute;left:-24px;bottom:-18px;background:#fff;border:1px solid var(--border);padding:14px 16px;border-radius:16px;box-shadow:var(--shadow);font-weight:800}.float-card small{display:block;color:var(--ink2);font-weight:650}.trust-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:32px}.trust-item{background:#fff;border:1px solid var(--border);border-radius:16px;padding:16px;text-align:center}.trust-item strong{display:block;font-size:1.05rem}.trust-item span{font-size:.85rem;color:var(--ink2)}
.grid{display:grid;gap:18px}.grid-2{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:24px;box-shadow:0 8px 28px rgba(35,45,82,.045)}.card h3{margin-bottom:10px}.card p:last-child{margin-bottom:0}.card-icon{width:44px;height:44px;border-radius:13px;background:var(--tint);color:var(--accent);display:grid;place-items:center;font-size:1.35rem;margin-bottom:14px}.stat{font-size:1.8rem;font-weight:900;color:var(--ink);line-height:1}.stat-label{color:var(--ink2);font-size:.88rem;margin-top:7px}.section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:28px}.section-head p{max-width:690px;margin:0}.text-link{font-weight:850;color:var(--accent2)}
.media-split{display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:center}.media-frame{background:#0e1230;padding:13px;border-radius:24px;box-shadow:var(--shadow)}.media-frame img{border-radius:14px;width:100%}.info-list{display:grid;gap:11px;margin:20px 0}.info-row{display:flex;gap:11px;align-items:flex-start}.tick{width:22px;height:22px;border-radius:50%;background:#e9f9f0;color:var(--success);display:grid;place-items:center;font-size:.8rem;font-weight:900;flex:0 0 auto;margin-top:2px}
.promo{background:linear-gradient(135deg,#172050,#28368d);border-radius:28px;padding:30px;color:#fff;display:grid;grid-template-columns:1.15fr .85fr;gap:28px;align-items:center;overflow:hidden;position:relative}.promo:after{content:"";position:absolute;width:240px;height:240px;border-radius:50%;right:-90px;top:-110px;background:rgba(123,147,255,.17)}.promo p{color:#dfe4ff}.promo .eyebrow{background:rgba(255,255,255,.1);color:#aebcff}.promo-code{display:flex;align-items:center;justify-content:space-between;gap:12px;background:#0d1230;border:1px solid rgba(255,255,255,.12);border-radius:15px;padding:13px 15px;margin:18px 0}.promo-code code{font-size:1.15rem;font-weight:900;color:#fff;letter-spacing:.06em}.copy-btn{background:#4d6bff;color:white;border:0;padding:9px 12px;border-radius:10px;font-weight:800;cursor:pointer}.promo-visual img{max-height:230px;margin:auto;object-fit:contain}
.filters{display:grid;grid-template-columns:1fr 180px 210px;gap:10px;margin:20px 0 24px}.input,.select{width:100%;border:1px solid var(--border);border-radius:13px;background:#fff;padding:13px 14px;color:var(--ink);font:inherit}.game-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:14px}.game-card{position:relative;border-radius:16px;overflow:hidden;background:#11162f;aspect-ratio:2/3;box-shadow:0 8px 24px rgba(25,35,70,.09)}.game-card img{width:100%;height:100%;object-fit:cover;transition:.24s ease}.game-card:hover img{transform:scale(1.035)}.game-overlay{position:absolute;inset:auto 0 0;padding:28px 10px 10px;background:linear-gradient(transparent,rgba(5,8,24,.92));opacity:0;transition:.2s}.game-card:hover .game-overlay{opacity:1}.game-overlay strong,.game-overlay span{display:block;color:#fff}.game-overlay span{font-size:.75rem;color:#cbd3f4}.game-overlay em{display:inline-flex;margin-top:6px;font-size:.73rem;font-style:normal;background:#4d6bff;padding:5px 8px;border-radius:8px;color:white;font-weight:800}
.steps{counter-reset:step;display:grid;gap:20px}.step{counter-increment:step;display:grid;grid-template-columns:1fr .8fr;gap:28px;align-items:center;background:#fff;border:1px solid var(--border);border-radius:24px;padding:24px}.step-copy:before{content:counter(step);width:38px;height:38px;border-radius:12px;background:var(--accent);color:white;display:grid;place-items:center;font-weight:900;margin-bottom:14px}.step img{border-radius:16px;border:1px solid var(--border)}
.table-wrap{overflow:auto;border:1px solid var(--border);border-radius:18px;background:#fff}table{border-collapse:collapse;width:100%;min-width:650px}th,td{padding:14px 16px;text-align:left;border-bottom:1px solid var(--border)}th{background:#f1f4fb;color:#34405f;font-size:.86rem}tr:last-child td{border-bottom:0}.note{border-left:4px solid var(--accent);background:var(--tint);padding:17px 18px;border-radius:0 14px 14px 0;color:#36405e}.warning{border-left-color:var(--warn);background:#fff8e7}.faq{display:grid;gap:10px}.faq details{background:#fff;border:1px solid var(--border);border-radius:15px;padding:0 18px}.faq summary{cursor:pointer;font-weight:850;padding:16px 0}.faq details p{padding:0 0 16px;margin:0}.breadcrumbs{padding:18px 0 0;font-size:.86rem;color:var(--ink2)}.breadcrumbs a{color:var(--ink2)}
.footer{background:#0e1230;color:#c8cfea;padding:54px 0 28px;margin-top:40px}.footer p{color:#98a3ca}.footer-grid{display:grid;grid-template-columns:1.2fr repeat(3,1fr);gap:34px}.footer h3{font-size:1rem;color:#fff}.footer a{display:block;color:#aeb8db;padding:4px 0}.footer-bottom{border-top:1px solid rgba(255,255,255,.08);margin-top:30px;padding-top:20px;font-size:.82rem;color:#8f99bd}.scroll-top{position:fixed;right:22px;bottom:22px;width:46px;height:46px;border-radius:50%;border:0;background:#4d6bff;color:#fff;font-size:20px;box-shadow:0 10px 30px rgba(77,107,255,.32);display:none;z-index:45;cursor:pointer}.scroll-top.show{display:block}.chip-row{display:flex;gap:8px;flex-wrap:wrap}.chip{padding:8px 11px;border-radius:999px;border:1px solid var(--border);background:#fff;color:#4d5671;font-size:.82rem;font-weight:750}.crypto-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.crypto{background:#fff;border:1px solid var(--border);border-radius:15px;padding:15px;font-weight:850}.crypto small{display:block;color:var(--ink2);font-weight:650}.page-hero{padding:54px 0 42px;background:radial-gradient(circle at 85% 0,rgba(77,107,255,.16),transparent 28%)}.page-hero .lead{max-width:800px}.inline-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px}.mini-gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.mini-gallery img{border-radius:16px;border:1px solid var(--border)}
@media(max-width:1020px){.nav{display:none}.header-actions{margin-left:auto}.burger{display:block}.hero-grid,.media-split,.promo{grid-template-columns:1fr}.hero-visual{max-width:760px}.trust-strip{grid-template-columns:repeat(2,1fr)}.grid-4{grid-template-columns:repeat(2,1fr)}.game-grid{grid-template-columns:repeat(4,1fr)}.filters{grid-template-columns:1fr 1fr}.filters .input{grid-column:1/-1}.step{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}.crypto-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:680px){.container{width:min(100% - 28px,var(--max))}.section{padding:54px 0}.header-inner{height:64px}.header-actions{display:none}.hero{padding:48px 0 40px}.hero-grid{gap:30px}.hero-card{padding:10px;border-radius:20px}.float-card{position:static;margin-top:10px}.trust-strip,.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}.game-grid{grid-template-columns:repeat(2,1fr);gap:10px}.filters{grid-template-columns:1fr}.filters .input{grid-column:auto}.promo{padding:22px}.promo-code{align-items:flex-start;flex-direction:column}.footer-grid{grid-template-columns:1fr}.crypto-grid{grid-template-columns:repeat(2,1fr)}.mini-gallery{grid-template-columns:1fr}.step{padding:18px}.page-hero{padding:42px 0 28px}h1{font-size:2.35rem}.section-head{align-items:flex-start;flex-direction:column}.btn{width:auto}.hero-actions .btn{flex:1 1 180px}}


/* 2026-08 content & mobile UX rework */
.mobile-nav svg{width:19px!important;height:19px!important;min-width:19px;max-width:19px;flex:0 0 19px}.mobile-nav>a{align-items:center;gap:10px;border-bottom:1px solid rgba(255,255,255,.055)}.mobile-nav>a span{margin-left:0!important}.burger{align-items:center;justify-content:center;flex-direction:column;gap:4px}.burger span{display:block;width:20px;height:2px;border-radius:2px;background:#fff;transition:.2s}.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}.burger[aria-expanded="true"] span:nth-child(2){opacity:0}.burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.hero{padding:68px 0 60px}.hero-copy{max-width:640px}.hero h1{font-size:clamp(2.65rem,4.5vw,4.7rem);max-width:780px}.hero-showcase{background:#101633;border-radius:28px;padding:16px;box-shadow:0 28px 70px rgba(24,31,68,.19)}.hero-showcase-main{background:#0b1029;border-radius:20px;padding:18px}.hero-showcase-main img{width:100%;max-height:330px;object-fit:contain}.hero-showcase-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;padding-top:12px}.hero-showcase-stats div{padding:12px;background:#171e47;border-radius:14px;color:#fff}.hero-showcase-stats strong,.hero-showcase-stats span{display:block}.hero-showcase-stats span{font-size:.75rem;color:#aeb8db;margin-top:4px}.hero-points span{display:inline-flex}
.page-hero{padding:58px 0;background:radial-gradient(circle at 83% 0,rgba(77,107,255,.14),transparent 32%),linear-gradient(180deg,#f7f9ff,#f6f8fc)}.page-hero-grid{display:grid;grid-template-columns:minmax(0,1.12fr) minmax(330px,.88fr);gap:48px;align-items:center}.page-hero h1{font-size:clamp(2.4rem,4.4vw,4rem);max-width:900px}.page-hero-visual .hero-card{transform:none;padding:12px;border-radius:24px}.page-hero-visual img{width:100%;max-height:330px;object-fit:contain;border-radius:14px}.content-copy{max-width:900px;margin-top:28px}.content-copy h3{font-size:1.5rem;margin-top:0}.promo-section{padding-top:54px;padding-bottom:54px}.promo-alt{font-size:.9rem}.game-ui-frame img{max-height:560px;object-fit:contain}.landscape-only img{max-height:520px;object-fit:contain}.portrait-media{max-width:360px;margin-inline:auto}.portrait-media img{max-height:520px;width:auto;margin:auto;object-fit:contain}.shot-small{max-height:440px;object-fit:contain}.compact-steps{grid-template-columns:repeat(2,1fr)}.compact-steps .step{grid-template-columns:1fr auto;min-height:180px}.step-number-art{width:58px;height:58px;border-radius:18px;background:var(--tint);color:var(--accent2);font-size:1.4rem;font-weight:900;display:grid;place-items:center}.code-step{display:flex;align-items:center;justify-content:space-between;gap:20px;background:#111632;color:#fff;border-radius:18px;padding:22px}.code-step strong{font-size:1.35rem;letter-spacing:.06em}.mobile-menu-demo{background:#0e1230;border-radius:24px;padding:16px;max-width:390px;margin:auto;box-shadow:var(--shadow)}.mobile-demo-head{display:flex;align-items:center;justify-content:space-between;padding:8px 10px 16px}.mobile-demo-head img{height:28px;width:auto}.mobile-demo-head span{width:38px;height:38px;border-radius:10px;background:#232b57;color:#fff;display:grid;place-items:center}.mobile-demo-link{display:flex;align-items:center;gap:12px;color:#dbe1f7;padding:13px 12px;border-top:1px solid rgba(255,255,255,.06)}
@media(max-width:1020px){.page-hero-grid{grid-template-columns:1fr}.page-hero-visual{max-width:760px}.compact-steps{grid-template-columns:1fr}}
@media(max-width:680px){body{overflow-x:hidden}.container{width:calc(100% - 28px)}.mobile-nav{max-height:calc(100vh - 64px);overflow-y:auto}.mobile-nav>a{font-size:.92rem;padding:11px 8px}.mobile-actions{grid-template-columns:1fr;gap:8px}.mobile-actions .btn{width:100%;padding:11px}.hero{padding:38px 0 34px}.hero h1{font-size:2.45rem;letter-spacing:-.04em}.hero .lead{font-size:1rem}.hero-grid{grid-template-columns:1fr}.hero-showcase{padding:10px;border-radius:20px}.hero-showcase-main{padding:10px}.hero-showcase-stats{grid-template-columns:1fr}.page-hero{padding:38px 0 32px}.page-hero h1{font-size:2.25rem}.page-hero-grid{gap:26px}.page-hero-visual img{max-height:270px}.media-frame{padding:9px;border-radius:18px}.game-ui-frame img,.landscape-only img{max-height:390px}.promo{border-radius:20px}.promo-visual{display:none}.step{gap:16px}.step img{max-height:360px;object-fit:contain}.game-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.game-card{min-width:0}.filters{width:100%}.table-wrap{max-width:100%}.hero-actions,.inline-actions{display:grid;grid-template-columns:1fr}.hero-actions .btn,.inline-actions .btn{width:100%}.section{padding:50px 0}.section.tight{padding:38px 0}.promo-code{width:100%}.mobile-menu-demo{max-width:100%}}


/* V3: hero background, dropdowns, stronger landing-page UX */
.header{background:#0b1029}.nav-games .dropdown-toggle{border:0;background:transparent;font-family:inherit;cursor:pointer}.nav-games .dropdown-toggle .chevron{width:14px;height:14px;margin-left:2px;transition:transform .18s ease}.nav-games.open .dropdown,.nav-games:hover .dropdown,.nav-games:focus-within .dropdown{display:block}.nav-games.open .chevron{transform:rotate(180deg)}.dropdown{top:46px;z-index:80}.dropdown:before{content:"";position:absolute;left:0;right:0;top:-12px;height:12px}.dropdown a{white-space:nowrap}
.mobile-group-toggle{width:100%;display:flex;align-items:center;gap:10px;border:0;background:transparent;color:#d2d7ef;padding:12px 8px;font:inherit;font-weight:750;text-align:left;cursor:pointer}.mobile-group-toggle svg{width:19px;height:19px;flex:0 0 19px}.mobile-plus{margin-left:auto;font-size:20px}.mobile-submenu{display:none;padding:2px 0 8px 28px}.mobile-group.open .mobile-submenu{display:block}.mobile-group.open .mobile-plus{transform:rotate(45deg)}.mobile-submenu a{font-size:.9rem;padding:9px 12px!important;border-bottom:0!important;color:#aeb8db!important}
.hero-brand{position:relative;min-height:640px;padding:82px 0 62px;background-image:url('/assets/img/hero-duel-official.png');background-size:cover;background-position:center 44%;color:#fff;display:flex;align-items:center;overflow:hidden}.hero-brand .hero-overlay{position:absolute;inset:0;background:linear-gradient(90deg,rgba(5,10,31,.72),rgba(5,13,35,.54) 50%,rgba(4,15,35,.62)),linear-gradient(180deg,rgba(4,8,24,.28),rgba(4,9,27,.66))}.hero-centered{position:relative;z-index:2;text-align:center;max-width:920px}.hero-brand h1{color:#fff;max-width:900px;margin:12px auto 18px;font-size:clamp(3rem,5.2vw,5.15rem);line-height:1.02;text-shadow:0 3px 24px rgba(0,0,0,.24)}.hero-brand .lead{color:#e7ebf8;max-width:860px;margin:0 auto;font-size:1.1rem}.hero-brand .lead strong{color:#fff}.hero-eyebrow{background:rgba(255,255,255,.09)!important;color:#dbe3ff!important;border:1px solid rgba(255,255,255,.1)}.hero-actions-centered{justify-content:center;margin-top:28px}.btn-hero-ghost{color:#fff;background:rgba(8,14,38,.46);border:1px solid rgba(255,255,255,.48);backdrop-filter:blur(8px)}.btn-hero-ghost:hover{background:rgba(255,255,255,.1);color:#fff}.hero-trust{margin:42px auto 0;display:grid;grid-template-columns:repeat(4,1fr);gap:10px;max-width:900px}.hero-trust div{background:rgba(8,14,38,.48);border:1px solid rgba(255,255,255,.1);backdrop-filter:blur(9px);padding:14px;border-radius:16px;text-align:left}.hero-trust strong,.hero-trust span{display:block}.hero-trust strong{font-size:.9rem}.hero-trust span{margin-top:4px;color:#bdc7e6;font-size:.76rem}.home-intro{background:#fff}.narrow-copy{max-width:940px}.narrow-copy p{font-size:1.03rem;line-height:1.82}.keyword-section{padding:44px 0;background:#fff}.keyword-section+.section{padding-top:34px}.keyword-section h2{max-width:900px}.keyword-section strong{color:#202b55}
.page-hero .btn-primary,.page-hero .btn-secondary,.promo .btn{min-height:48px}
@media(max-width:1020px){.hero-brand{min-height:610px}.hero-trust{grid-template-columns:repeat(2,1fr)}}
@media(max-width:680px){.hero-brand{min-height:auto;padding:64px 0 44px;background-position:center top}.hero-brand .hero-overlay{background:linear-gradient(180deg,rgba(5,10,34,.76),rgba(5,10,34,.8))}.hero-brand h1{font-size:2.55rem}.hero-brand .lead{font-size:.98rem;line-height:1.7}.hero-actions-centered{display:grid}.hero-actions-centered .btn{width:100%}.hero-trust{grid-template-columns:1fr 1fr;margin-top:28px}.hero-trust div{padding:12px}.keyword-section{padding:38px 0}.dropdown{display:none!important}}

/* V4: natural SEO copy + official Duel hero artwork */
.hero-brand .lead{max-width:790px;line-height:1.72}.hero-brand h1{max-width:980px}.home-intro{background:#fff}.section{background-color:transparent}