*{margin:0;padding:0;box-sizing:border-box}
body{font-family:Arial,sans-serif;line-height:1.6;color:#333;background:#1a1a2e;overflow-x:hidden}
.site-navigation{background:#16213e;border-bottom:2px solid #0f3460;position:sticky;top:0;z-index:1000}
.navigation-frame{display:flex;justify-content:space-between;align-items:center;padding:10px;max-width:100%;margin:0 auto}
.logo-wrapper{flex-shrink:0}
.brand-logo{width:90px;height:57px;object-fit:contain}
.desktop-menu{display:flex;align-items:center;gap:40px}
.nav-list{display:flex;list-style:none;gap:30px;margin:0}
.nav-item{color:#fff;font-weight:500;font-size:16px}
.nav-link{color:#fff;text-decoration:none;transition:color 0.3s ease;font-weight:500}
.nav-link:hover{color:#4da6ff}
.auth-buttons{display:flex;gap:15px}
.sign-up-btn,.sign-in-btn{padding:12px 24px;border-radius:6px;text-decoration:none;font-weight:600;transition:all 0.3s ease}
.sign-up-btn{background:#ff6b35;color:#fff}
.sign-up-btn:hover{background:#e55a2b}
.sign-in-btn{background:transparent;color:#fff;border:2px solid #4da6ff}
.sign-in-btn:hover{background:#4da6ff;color:#fff}
.mobile-menu-toggle{display:none;background:none;border:none;flex-direction:column;cursor:pointer;padding:5px}
.hamburger-line{width:25px;height:3px;background:#fff;margin:3px 0;transition:0.3s}
.mobile-menu{display:none;background:#16213e;border-top:1px solid #0f3460;padding:20px}
.mobile-nav-list{list-style:none;margin-bottom:20px}
.mobile-nav-item{padding:12px 0;border-bottom:1px solid #0f3460;color:#fff;font-weight:500}
.mobile-nav-link{color:#fff;text-decoration:none;font-weight:500}
.mobile-auth-buttons{display:flex;flex-direction:column;gap:10px}
.mobile-sign-up-btn,.mobile-sign-in-btn{padding:15px;text-align:center;border-radius:6px;text-decoration:none;font-weight:600}
.mobile-sign-up-btn{background:#ff6b35;color:#fff}
.mobile-sign-in-btn{background:transparent;color:#fff;border:2px solid #4da6ff}
.blackjack-layout{position:relative;min-height:100vh}
.blackjack-layout::before{content:'♠️';position:absolute;font-size:7rem;opacity:0.1;animation:float-spades-flip 26s infinite linear;top:25%;right:-2%}
.blackjack-layout::after{content:'♥️';position:absolute;font-size:6rem;opacity:0.12;animation:float-hearts-bounce 23s infinite linear;top:60%;left:-3%}
@keyframes float-spades-flip{0%{transform:translateX(-250px) translateY(0px) rotateY(0deg)}25%{transform:translateX(500px) translateY(-200px) rotateY(180deg)}50%{transform:translateX(1000px) translateY(-400px) rotateY(360deg)}75%{transform:translateX(1500px) translateY(-100px) rotateY(540deg)}100%{transform:translateX(2000px) translateY(0px) rotateY(720deg)}}
@keyframes float-hearts-bounce{0%{transform:translateX(200px) translateY(0px) scale(1)}25%{transform:translateX(-400px) translateY(-300px) scale(1.4)}50%{transform:translateX(-800px) translateY(-600px) scale(0.8)}75%{transform:translateX(-1200px) translateY(-200px) scale(1.2)}100%{transform:translateX(-1600px) translateY(0px) scale(1)}}
.blackjack-overview{padding:85px 10px 65px;text-align:center;position:relative;z-index:2;background:linear-gradient(135deg,rgba(26,26,46,0.95),rgba(22,33,62,0.9))}
.blackjack-frame h1{font-size:2.9rem;color:#fff;margin-bottom:28px;font-weight:700;line-height:1.2}
.blackjack-frame p{font-size:1.2rem;color:#b8c5d1;margin-bottom:35px;max-width:900px;margin-left:auto;margin-right:auto}
.blackjack-action-buttons{display:flex;justify-content:center;gap:28px;margin-top:38px}
.play-blackjack-btn,.learn-strategy-btn{padding:18px 36px;border-radius:8px;text-decoration:none;font-weight:600;font-size:1.1rem;transition:all 0.3s ease}
.play-blackjack-btn{background:#ff6b35;color:#fff}
.play-blackjack-btn:hover{background:#e55a2b;transform:translateY(-3px)}
.learn-strategy-btn{background:transparent;color:#4da6ff;border:2px solid #4da6ff}
.learn-strategy-btn:hover{background:#4da6ff;color:#fff}
.blackjack-layout section{padding:70px 10px;max-width:1200px;margin:0 auto}
.blackjack-rules-detailed{background:#fff;border-radius:12px;margin:40px 10px;box-shadow:0 12px 35px rgba(0,0,0,0.1)}
.blackjack-rules-detailed h2{color:#1a1a2e;font-size:2.4rem;margin-bottom:30px;text-align:center}
.blackjack-rules-detailed>p{color:#666;font-size:1.1rem;margin-bottom:40px;text-align:center}
.rules-breakdown{display:grid;gap:35px;margin-top:45px}
.basic-rules,.table-variations{background:#f8f9fa;border-radius:12px;padding:35px}
.basic-rules h3,.table-variations h3{color:#1a1a2e;font-size:1.5rem;margin-bottom:20px;font-weight:600}
.basic-rules p,.table-variations p{color:#666;margin-bottom:18px;line-height:1.7}
.live-dealer-experience{background:#16213e;border-radius:12px;margin:40px 10px;color:#fff}
.live-dealer-experience h2{color:#fff;font-size:2.2rem;margin-bottom:30px}
.live-dealer-experience p{color:#b8c5d1;margin-bottom:25px;line-height:1.8}
.basic-strategy-implementation{background:#fff;border-radius:12px;margin:40px 10px}
.basic-strategy-implementation h2{color:#1a1a2e;font-size:2.2rem;margin-bottom:30px}
.basic-strategy-implementation>p{color:#666;margin-bottom:35px;line-height:1.8}
.strategy-guidelines{display:grid;gap:30px}
.hard-totals-strategy,.soft-totals-strategy,.pair-splitting-strategy{background:#f8f9fa;border-radius:12px;padding:30px}
.hard-totals-strategy h3,.soft-totals-strategy h3,.pair-splitting-strategy h3{color:#1a1a2e;font-size:1.4rem;margin-bottom:18px;font-weight:600}
.hard-totals-strategy p,.soft-totals-strategy p,.pair-splitting-strategy p{color:#666;margin-bottom:18px;line-height:1.7}
.advanced-play-techniques{background:#16213e;border-radius:12px;margin:40px 10px;color:#fff}
.advanced-play-techniques h2{color:#fff;font-size:2.2rem;margin-bottom:30px}
.advanced-play-techniques p{color:#b8c5d1;margin-bottom:25px;line-height:1.8}
.betting-limits-analysis{background:#fff;border-radius:12px;margin:40px 10px}
.betting-limits-analysis h2{color:#1a1a2e;font-size:2.2rem;margin-bottom:30px}
.betting-limits-analysis p{color:#666;margin-bottom:25px;line-height:1.8}
.mobile-blackjack-performance{background:#16213e;border-radius:12px;margin:40px 10px;color:#fff}
.mobile-blackjack-performance h2{color:#fff;font-size:2.2rem;margin-bottom:30px}
.mobile-blackjack-performance p{color:#b8c5d1;margin-bottom:25px;line-height:1.8}
.blackjack-mistakes-analysis{background:#fff;border-radius:12px;margin:40px 10px}
.blackjack-mistakes-analysis h2{color:#1a1a2e;font-size:2.2rem;margin-bottom:30px}
.blackjack-mistakes-analysis>p{color:#666;margin-bottom:35px;line-height:1.8}
.costly-blackjack-errors{display:grid;gap:30px}
.strategy-deviations,.bankroll-management-failures,.side-bet-traps{background:#fff5f5;border-radius:12px;padding:30px}
.strategy-deviations h3,.bankroll-management-failures h3,.side-bet-traps h3{color:#1a1a2e;font-size:1.4rem;margin-bottom:18px;font-weight:600}
.strategy-deviations p,.bankroll-management-failures p,.side-bet-traps p{color:#666;margin-bottom:18px;line-height:1.7}
.blackjack-vs-other-games{background:#16213e;border-radius:12px;margin:40px 10px;color:#fff}
.blackjack-vs-other-games h2{color:#fff;font-size:2.2rem;margin-bottom:30px}
.blackjack-vs-other-games p{color:#b8c5d1;margin-bottom:25px;line-height:1.8}
.professional-play-considerations{background:#fff;border-radius:12px;margin:40px 10px}
.professional-play-considerations h2{color:#1a1a2e;font-size:2.2rem;margin-bottom:30px}
.professional-play-considerations p{color:#666;margin-bottom:25px;line-height:1.8}
.blackjack-evolution-platform{background:#16213e;border-radius:12px;margin:40px 10px;color:#fff}
.blackjack-evolution-platform h2{color:#fff;font-size:2.2rem;margin-bottom:30px}
.blackjack-evolution-platform p{color:#b8c5d1;margin-bottom:25px;line-height:1.8}
.alternative-blackjack-critique{background:#fff;border-radius:12px;margin:40px 10px}
.alternative-blackjack-critique h2{color:#1a1a2e;font-size:2.2rem;margin-bottom:30px}
.alternative-blackjack-critique p{color:#666;margin-bottom:25px;line-height:1.8}
.legal-information{background:#0f1419;color:#fff;padding:50px 10px 30px;margin-top:60px}
.legal-frame{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:40px}
.licensing-details h4,.payment-options h4,.provider-showcase h4{color:#fff;font-size:1.3rem;margin-bottom:20px;font-weight:600}
.licensing-details p,.payment-options p,.provider-showcase p{color:#b8c5d1;line-height:1.7;margin-bottom:15px}
.payment-icons,.provider-logos{display:flex;flex-wrap:wrap;gap:15px;align-items:center}
.payment-icon,.provider-logo{filter:brightness(0.8);transition:filter 0.3s ease}
.payment-icon:hover,.provider-logo:hover{filter:brightness(1)}
@media (max-width:1080px){
.desktop-menu{display:none}
.mobile-menu-toggle{display:flex}
.blackjack-frame h1{font-size:2.3rem}
.blackjack-action-buttons{flex-direction:column;align-items:center}
.rules-breakdown{grid-template-columns:1fr}
.strategy-guidelines{grid-template-columns:1fr}
.costly-blackjack-errors{grid-template-columns:1fr}
}
@media (max-width:768px){
.blackjack-frame h1{font-size:2rem}
.blackjack-frame p{font-size:1rem}
.blackjack-layout section{padding:50px 10px}
.basic-rules,.table-variations{padding:25px}
.hard-totals-strategy,.soft-totals-strategy,.pair-splitting-strategy{padding:25px}
.legal-frame{grid-template-columns:1fr;gap:30px}
.blackjack-layout::before{font-size:5rem;animation-duration:32s}
.blackjack-layout::after{font-size:4rem;animation-duration:28s}
}
@media (max-width:480px){
.blackjack-frame h1{font-size:1.7rem}
.blackjack-action-buttons{gap:20px}
.play-blackjack-btn,.learn-strategy-btn{padding:15px 25px;font-size:1rem}
.basic-rules,.table-variations{padding:20px}
.payment-icons,.provider-logos{justify-content:center}
}
@media (max-width:320px){
.blackjack-frame h1{font-size:1.5rem}
.navigation-frame{padding:8px}
.brand-logo{width:72px;height:46px}
.blackjack-layout::before{display:none}
.blackjack-layout::after{display:none}
}
.mobile-menu.active{display:block}
.mobile-menu-toggle.active .hamburger-line:nth-child(1){transform:rotate(-45deg) translate(-5px,6px)}
.mobile-menu-toggle.active .hamburger-line:nth-child(2){opacity:0}
.mobile-menu-toggle.active .hamburger-line:nth-child(3){transform:rotate(45deg) translate(-5px,-6px)}