/* ===== tk688 Design System - Emerald Trust Gaming UI ===== */
:root {
  --color-primary: #facc15;
  --color-primary-dark: #e6b800;
  --color-primary-soft: rgba(250,204,21,0.12);
  --color-bg: #0f1117;
  --color-bg-soft: #161822;
  --color-surface: #1c1f2e;
  --color-surface-strong: #252838;
  --color-card: #1e2132;
  --color-card-alt: #232640;
  --color-border: #2a2d42;
  --color-text: #f0f0f5;
  --color-text-soft: #a0a3b8;
  --color-text-muted: #6b6e82;
  --color-footer-bg: #0a0c14;
  --color-footer-text: #8a8da2;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --shadow-card: 0 4px 24px rgba(0,0,0,0.3);
  --shadow-card-hover: 0 8px 36px rgba(0,0,0,0.45);
  --shadow-header: 0 2px 20px rgba(0,0,0,0.4);
  --motion-fast: 0.15s;
  --motion-normal: 0.25s;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,"Noto Sans Bengali",sans-serif;background:var(--color-bg);color:var(--color-text);line-height:1.7;margin:0;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:var(--color-primary);text-decoration:none;transition:color var(--motion-fast)}
a:hover{color:var(--color-primary-dark)}
h1,h2,h3,h4{font-weight:700;line-height:1.3;margin:0 0 1rem}
p{margin:0 0 1rem}
.container{max-width:1200px;margin:0 auto;padding:0 clamp(16px,4vw,32px)}
.text-center{text-align:center}

/* HEADER */
.site-header{position:sticky;top:0;z-index:1000;background:var(--color-surface);border-bottom:2px solid var(--color-primary);box-shadow:var(--shadow-header)}
.header-inner{width:100%;max-width:none;padding:0 clamp(10px,1.2vw,20px);min-height:68px;display:flex;align-items:center;gap:clamp(10px,1vw,18px)}
.brand-wrap{flex:0 0 auto;margin-right:clamp(4px,.8vw,14px)}
.site-logo{display:block;width:auto;height:clamp(32px,3vw,42px);max-width:clamp(118px,10vw,168px);object-fit:contain}
.primary-nav{flex:1 1 auto;min-width:0;display:flex;align-items:center;justify-content:center;flex-wrap:nowrap;gap:clamp(6px,.72vw,14px);white-space:nowrap;overflow:visible}
.primary-nav a{flex:0 1 auto;min-width:0;padding:9px clamp(6px,.65vw,12px);font-size:clamp(13px,.84vw,15px);line-height:1;white-space:nowrap;color:var(--color-text-soft);border-radius:var(--radius-sm);transition:all var(--motion-fast)}
.primary-nav a:hover,.primary-nav a.active{color:var(--color-primary);background:var(--color-primary-soft)}
.header-actions{flex:0 0 auto;margin-left:auto;display:flex;align-items:center;gap:clamp(6px,.6vw,10px)}
.nav-toggle{display:none;width:40px;height:40px;background:transparent;border:1.5px solid var(--color-border);border-radius:var(--radius-sm);cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:5px;padding:8px}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--color-primary);border-radius:1px;transition:all var(--motion-fast)}

/* MOBILE MENU */
.mobile-menu{display:none;position:fixed;top:70px;left:0;right:0;bottom:0;background:var(--color-surface);z-index:999;overflow-y:auto;padding:1rem}
.mobile-menu.is-open{display:block}
.mobile-menu-inner{display:flex;flex-direction:column;gap:2px}
.mobile-menu-inner a{padding:14px 16px;color:var(--color-text);border-radius:var(--radius-sm);font-size:1rem;transition:background var(--motion-fast)}
.mobile-menu-inner a:hover{background:var(--color-primary-soft);color:var(--color-primary)}
.mobile-menu-footer{margin-top:1rem;padding-top:1rem;border-top:1px solid var(--color-border)}
.mobile-menu-footer a{font-size:.9rem;color:var(--color-text-soft)}

@media(max-width:1180px){
  .primary-nav{display:none}
  .nav-toggle{display:inline-flex}
  .header-inner{padding:0 clamp(8px,2.4vw,14px);gap:clamp(6px,1.8vw,10px)}
  .header-actions{margin-left:auto;justify-content:flex-end}
}
@media(max-width:375px){
  .header-inner{padding:0 8px;gap:6px}
  .site-logo{max-width:104px}
}

/* BREADCRUMB */
.breadcrumb-bar{background:var(--color-bg-soft);padding:12px 0;border-bottom:1px solid var(--color-border)}
.breadcrumb-inner{max-width:1200px;margin:0 auto;padding:0 clamp(16px,4vw,32px);font-size:.85rem;color:var(--color-text-muted)}
.bc-sep{margin:0 6px;color:var(--color-border)}

/* SECTIONS */
section{padding:clamp(48px,6vw,80px) 0}
.section-alt{background:var(--color-bg-soft)}
.section-heading{font-size:clamp(1.4rem,3vw,2.2rem);color:var(--color-text);margin-bottom:1rem;position:relative}
.section-heading::after{content:"";display:block;width:50px;height:3px;background:var(--color-primary);margin-top:10px;border-radius:2px}
.text-center .section-heading::after{margin-left:auto;margin-right:auto}
.section-lead,.page-lead{color:var(--color-text-soft);font-size:1.05rem;max-width:800px;margin-bottom:2rem;line-height:1.8}
.section-img{border-radius:var(--radius-lg);margin:2rem auto;box-shadow:var(--shadow-card)}
.mt-section{margin-top:3rem}
.mt-3{margin-top:1.5rem}

/* HERO */
.home-hero{background:linear-gradient(135deg,#0a0c14 0%,#161822 60%,#1a1500 100%);padding:clamp(60px,8vw,100px) 0;border-bottom:3px solid var(--color-primary);position:relative;overflow:hidden}
.home-hero::before{content:"";position:absolute;top:-80px;right:-80px;width:400px;height:400px;background:radial-gradient(circle,rgba(250,204,21,.1) 0%,transparent 70%);pointer-events:none}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:3rem;align-items:center}
.hero-content h1{font-size:clamp(1.6rem,4vw,2.8rem);line-height:1.3}
.brand-highlight{color:var(--color-primary)}
.hero-badge{display:inline-block;background:var(--color-primary);color:#0a0a0a;font-size:.78rem;font-weight:700;padding:4px 14px;border-radius:20px;margin-bottom:1rem}
.hero-lead{color:var(--color-text-soft);font-size:1.05rem}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:1.5rem 0}
.hero-img{border-radius:var(--radius-lg);box-shadow:var(--shadow-card)}
.age-notice{font-size:.82rem;color:var(--color-text-muted)}
@media(max-width:768px){.hero-grid{grid-template-columns:1fr}}

/* BUTTONS */
.btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 28px;border-radius:var(--radius-sm);font-weight:700;font-size:1rem;cursor:pointer;transition:all var(--motion-fast);border:none;text-decoration:none;min-height:44px;white-space:nowrap}
.btn-primary{background:var(--color-primary);color:#0a0a0a}
.btn-primary:hover{background:var(--color-primary-dark);transform:translateY(-2px);box-shadow:0 6px 24px rgba(250,204,21,.35);color:#0a0a0a}
.btn-outline{background:transparent;color:var(--color-primary);border:2px solid var(--color-primary)}
.btn-outline:hover{background:var(--color-primary);color:#0a0a0a}
.btn-lg{padding:14px 36px;font-size:1.1rem}
.btn-full{width:100%}
.cta-buttons{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin:1.5rem 0}

/* CARDS */
.features-grid,.card-grid-3,.payment-grid,.tier-grid,.game-grid,.testimonial-grid,.steps-grid{display:grid;gap:1.5rem;margin:2rem 0}
.features-grid,.steps-grid{grid-template-columns:repeat(auto-fit,minmax(250px,1fr))}
.card-grid-3{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
.payment-grid{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
.tier-grid{grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}
.game-grid{grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}
.testimonial-grid{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
.feature-card,.info-card,.pay-card,.game-card,.testimonial-card,.step-card{background:var(--color-card);border:1px solid var(--color-border);border-radius:var(--radius-md);padding:1.5rem;transition:transform var(--motion-fast),box-shadow var(--motion-fast)}
.feature-card:hover,.info-card:hover,.game-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-card-hover);border-color:var(--color-primary)}
.feature-icon,.game-icon{font-size:2rem;margin-bottom:.75rem}
.feature-card h3,.info-card h3,.game-card h3{font-size:1.1rem;margin-bottom:.5rem;color:var(--color-primary)}
.feature-card p,.info-card p,.game-card p{color:var(--color-text-soft);font-size:.9rem;margin:0}
.testimonial-card{border-left:3px solid var(--color-primary)}
.stars{color:var(--color-primary);font-size:1rem;margin-bottom:.5rem}
.reviewer{font-size:.85rem;color:var(--color-text-muted);display:block;margin-top:.5rem}
.tier-card{border-radius:var(--radius-lg);padding:2rem 1.5rem;text-align:center;position:relative}
.tier-bronze{background:linear-gradient(135deg,#2a1a0a,var(--color-card));border:1.5px solid #cd7f32}
.tier-silver{background:linear-gradient(135deg,#1a1a2a,var(--color-card));border:1.5px solid #c0c0c0}
.tier-gold{background:linear-gradient(135deg,#1a1500,var(--color-card));border:1.5px solid var(--color-primary);box-shadow:0 0 20px rgba(250,204,21,.15)}
.tier-icon{font-size:2.5rem;margin-bottom:.5rem}

/* CATEGORY SCROLL */
.category-scroll{display:flex;gap:1rem;overflow-x:auto;padding:1rem 0;scrollbar-width:thin;scrollbar-color:var(--color-primary) var(--color-card)}
.cat-card{flex:0 0 120px;background:var(--color-card);border:1.5px solid var(--color-border);border-radius:var(--radius-md);padding:1.2rem .8rem;text-align:center;cursor:pointer;transition:all var(--motion-fast)}
.cat-card:hover{border-color:var(--color-primary);transform:translateY(-3px)}
.cat-icon{font-size:2rem;margin-bottom:.5rem}
.cat-card span{font-size:.8rem;font-weight:600}

/* STEPS */
.step-num,.step-badge{width:44px;height:44px;background:var(--color-primary);color:#0a0a0a;font-weight:800;font-size:1.1rem;border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 1rem}
.home-steps .step-card h3{text-align:center}
.steps-timeline{display:flex;flex-direction:column;gap:1.5rem;margin:2rem 0;padding-left:2rem;border-left:2px solid var(--color-primary)}
.step-item{position:relative;padding-left:1.5rem}
.step-item::before{content:"";position:absolute;left:-2.35rem;top:6px;width:14px;height:14px;background:var(--color-primary);border-radius:50%;box-shadow:0 0 10px rgba(250,204,21,.4)}

/* TIMELINE */
.timeline{display:flex;flex-direction:column;gap:1.5rem;margin:2rem 0;padding-left:2rem;border-left:2px solid rgba(250,204,21,.3)}
.timeline-item{position:relative;padding-left:1.5rem}
.timeline-item::before{content:"";position:absolute;left:-26px;top:6px;width:14px;height:14px;background:var(--color-primary);border-radius:50%;box-shadow:0 0 10px rgba(250,204,21,.4)}

/* TABLE */
.table-wrap{overflow-x:auto;border:1px solid var(--color-border);border-radius:var(--radius-md);margin:1.5rem 0}
.data-table{width:100%;border-collapse:collapse;background:transparent;color:var(--color-text)}
.data-table th{background:var(--color-primary-soft);color:var(--color-primary);padding:.85rem 1rem;font-weight:600;border-bottom:2px solid var(--color-primary);font-size:.9rem;text-align:left}
.data-table td{padding:.8rem 1rem;border-bottom:1px solid var(--color-border);font-size:.88rem}
.data-table tr:last-child td{border-bottom:none}
.data-table tr:hover td{background:rgba(250,204,21,.04)}

/* FAQ */
.faq-list{display:flex;flex-direction:column;gap:8px;margin:1.5rem 0}
.faq-item{background:var(--color-card);border:1px solid var(--color-border);border-radius:var(--radius-md);overflow:hidden}
.faq-trigger{width:100%;display:flex;justify-content:space-between;align-items:center;padding:16px 20px;background:none;border:none;color:var(--color-text);font-size:1rem;font-weight:600;cursor:pointer;text-align:left;gap:12px}
.faq-trigger:hover{color:var(--color-primary)}
.faq-icon{font-size:1.4rem;color:var(--color-primary);flex-shrink:0;transition:transform var(--motion-fast)}
.faq-trigger[aria-expanded="true"] .faq-icon{transform:rotate(45deg)}
.faq-answer{display:none;padding:0 20px 16px;color:var(--color-text-soft);line-height:1.8}
.faq-answer p{margin:0}
.faq-trigger[aria-expanded="true"]+.faq-answer{display:block}

/* AUTH LAYOUT */
.auth-layout{display:grid;grid-template-columns:1.2fr 1fr;gap:3rem;align-items:start}
.auth-form-card{background:var(--color-card);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:2rem}
.auth-trust-card{background:var(--color-card-alt);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:2rem}
.trust-list{list-style:none;padding:0;margin:1rem 0}
.trust-list li{padding:8px 0;border-bottom:1px solid var(--color-border);color:var(--color-text-soft)}
.trust-list li::before{content:"✓ ";color:var(--color-primary);font-weight:700}
.trust-img{border-radius:var(--radius-md);margin-top:1rem}
.demo-form{display:flex;flex-direction:column;gap:1rem;margin:1.5rem 0}
.form-group label{display:block;font-size:.9rem;color:var(--color-text-soft);margin-bottom:6px}
.form-input{width:100%;padding:12px 16px;background:var(--color-bg);border:1px solid var(--color-border);border-radius:var(--radius-sm);color:var(--color-text);font-size:1rem;transition:border-color var(--motion-fast)}
.form-input:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px var(--color-primary-soft)}
.form-help{font-size:.85rem;color:var(--color-text-muted);margin-top:.5rem}
@media(max-width:768px){.auth-layout{grid-template-columns:1fr}}

/* SPLIT LAYOUT */
.split-layout{display:grid;grid-template-columns:1fr 1fr;gap:3rem;align-items:center}
@media(max-width:768px){.split-layout{grid-template-columns:1fr}}

/* POLICY PAGES */
.policy-body h2{margin-top:2rem;padding-top:1.5rem;border-top:1px solid var(--color-border)}
.policy-body h2:first-child{border-top:none;margin-top:0;padding-top:0}
.policy-updated{display:inline-block;background:var(--color-primary-soft);color:var(--color-primary);padding:4px 12px;border-radius:var(--radius-sm);font-size:.85rem;margin-bottom:1.5rem}
.faq-help{margin-top:2rem;padding:1.5rem;background:var(--color-card);border-radius:var(--radius-md);border:1px solid var(--color-border);text-align:center}

/* ERROR PAGE */
.error-section{text-align:center;padding:120px 0}
.error-section h1{font-size:3rem;color:var(--color-primary)}
.error-links{display:flex;gap:12px;justify-content:center;margin-top:2rem}

/* FOOTER */
.site-footer{background:var(--color-footer-bg);padding:clamp(48px,6vw,72px) 0 0;border-top:2px solid var(--color-primary)}
.footer-inner{max-width:1200px;margin:0 auto;padding:0 clamp(16px,4vw,32px)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:2rem}
.footer-brand p{color:var(--color-footer-text);font-size:.9rem;margin-top:1rem;line-height:1.7}
.footer-links-group h4,.footer-contact h4{color:var(--color-primary);font-size:1rem;margin-bottom:1rem}
.footer-links-group ul{list-style:none;padding:0;margin:0}
.footer-links-group li{margin-bottom:8px}
.footer-links-group a{color:var(--color-footer-text);font-size:.9rem;transition:color var(--motion-fast)}
.footer-links-group a:hover{color:var(--color-primary)}
.footer-contact p{color:var(--color-footer-text);font-size:.9rem;margin-bottom:8px}
.footer-trust{margin-top:1rem;padding:8px 12px;background:rgba(250,204,21,.08);border-radius:var(--radius-sm);display:inline-block}
.footer-trust span{color:var(--color-primary);font-size:.82rem;font-weight:600}
.footer-bottom{margin-top:2rem;padding:1.5rem 0;border-top:1px solid rgba(255,255,255,.06);text-align:center}
.footer-bottom p{color:var(--color-text-muted);font-size:.82rem;margin:0}
@media(max-width:768px){.footer-grid{grid-template-columns:1fr 1fr;gap:1.5rem}}
@media(max-width:480px){.footer-grid{grid-template-columns:1fr}}

/* FOCUS & ACCESSIBILITY */
:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px;border-radius:2px}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}

/* AOS DEGRADE */
[data-aos]{opacity:1!important;transform:none!important}
.aos-init[data-aos]{opacity:1;transform:none}