/* kkbd Design System - Emerald Trust Gaming UI */
/* Generated for kk-bd.im */

:root {
  --color-primary: #0d6e3f;
  --color-primary-dark: #094d2c;
  --color-primary-soft: #e8f5ee;
  --color-secondary: #1a73e8;
  --color-accent: #f59e0b;
  --color-bg: #0A1628;
  --color-bg-soft: #0f1f35;
  --color-surface: #152238;
  --color-surface-strong: #1a2d4a;
  --color-card: #152238;
  --color-card-alt: #1a2d4a;
  --color-border: rgba(255,255,255,.08);
  --color-border-strong: rgba(255,255,255,.15);
  --color-text: #e8edf5;
  --color-text-soft: #a0aec0;
  --color-text-muted: #718096;
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-danger: #ef4444;
  --color-footer-bg: #060e1a;
  --color-footer-text: #a0aec0;
  --gradient-hero: linear-gradient(135deg, #0A1628 0%, #152238 50%, #1a2d4a 100%);
  --gradient-button: linear-gradient(135deg, #0d6e3f, #10b981);
  --gradient-card-bg: linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,.01));
  --shadow-header: 0 2px 12px rgba(0,0,0,.3);
  --shadow-card: 0 4px 16px rgba(0,0,0,.2);
  --shadow-card-hover: 0 8px 32px rgba(0,0,0,.3);
  --shadow-button: 0 2px 8px rgba(13,110,63,.3);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-card: 14px;
  --font-base: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, "Noto Sans Bengali", sans-serif;
  --motion-fast: .15s;
  --motion-normal: .3s;
  --ease-out: cubic-bezier(.2,0,.38,.9);
  --container-max: 1200px;
  --header-h: 72px;
  --mobile-header-h: 64px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font-base); background: var(--color-bg); color: var(--color-text); line-height: 1.7; overflow-x: hidden; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-primary); text-decoration: none; transition: color var(--motion-fast) var(--ease-out); }
a:hover { color: var(--color-accent); }
:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 2px; }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; } }

.container { width: 100%; max-width: var(--container-max); margin: 0 auto; padding: 0 clamp(16px, 4vw, 24px); }
.text-center { text-align: center; }
.text-primary { color: var(--color-primary); }
.text-muted { color: var(--color-text-muted); }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }
.mb-3 { margin-bottom: 24px; }

/* ===== HEADER ===== */
.site-header { position: sticky; top: 0; z-index: 1000; background: rgba(10,22,40,.95); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); border-bottom: 1px solid var(--color-border); }
.header-inner { width: 100%; max-width: none; padding-left: clamp(10px, 1.2vw, 20px); padding-right: clamp(10px, 1.2vw, 20px); min-height: var(--header-h); display: flex; align-items: center; gap: clamp(10px, 1vw, 18px); }
.brand-wrap { flex: 0 0 auto; margin-right: clamp(4px, .8vw, 14px); display: flex; align-items: center; }
.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 .nav-link { 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) var(--ease-out); }
.primary-nav .nav-link:hover { color: var(--color-text); background: rgba(255,255,255,.05); }
.primary-nav .nav-link.active { color: var(--color-primary); font-weight: 600; }
.header-actions { flex: 0 0 auto; margin-left: auto; display: flex; align-items: center; justify-content: flex-end; gap: clamp(6px, .6vw, 10px); white-space: nowrap; }

/* ===== BUTTONS ===== */
.btn { display: inline-flex; align-items: center; justify-content: center; padding: 10px 20px; border-radius: var(--radius-sm); font-weight: 600; font-size: 14px; line-height: 1.2; border: none; cursor: pointer; transition: all var(--motion-fast) var(--ease-out); white-space: nowrap; text-decoration: none; min-height: 42px; }
.btn-primary { background: var(--gradient-button); color: #fff; box-shadow: var(--shadow-button); }
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 4px 16px rgba(13,110,63,.4); color: #fff; }
.btn-outline { background: transparent; color: var(--color-text); border: 1px solid var(--color-border-strong); }
.btn-outline:hover { border-color: var(--color-primary); color: var(--color-primary); }
.btn-lg { padding: 14px 28px; font-size: 16px; min-height: 48px; border-radius: var(--radius-md); }
.btn-login { background: rgba(255,255,255,.08); color: var(--color-text); border: 1px solid var(--color-border-strong); padding: 8px 14px; font-size: 13px; min-height: 38px; }
.btn-login:hover { background: rgba(255,255,255,.12); color: #fff; }
.btn-register { background: var(--gradient-button); color: #fff; padding: 8px 14px; font-size: 13px; min-height: 38px; }
.btn-register:hover { transform: translateY(-1px); color: #fff; }
.nav-toggle { display: none; flex: 0 0 40px; width: 40px; height: 40px; background: transparent; border: 1px solid var(--color-border-strong); border-radius: var(--radius-sm); cursor: pointer; flex-direction: column; align-items: center; justify-content: center; gap: 4px; padding: 0; }
.nav-toggle span { display: block; width: 18px; height: 2px; background: var(--color-text); border-radius: 2px; transition: all var(--motion-fast); }

/* ===== MOBILE HEADER ===== */
@media (max-width: 1180px) {
  .primary-nav { display: none; }
  .nav-toggle { display: inline-flex; }
  .header-inner { width: 100%; max-width: none; padding-left: clamp(8px, 2.4vw, 14px); padding-right: clamp(8px, 2.4vw, 14px); justify-content: flex-start; gap: clamp(6px, 1.8vw, 10px); min-height: var(--mobile-header-h); }
  .brand-wrap { flex: 0 1 auto; margin-right: 0; }
  .site-logo { height: clamp(30px, 8vw, 40px); max-width: clamp(104px, 27vw, 138px); }
  .header-actions { margin-left: auto; flex: 0 0 auto; justify-content: flex-end; gap: clamp(5px, 1.6vw, 8px); }
  .header-actions .btn { min-height: 40px; padding-inline: clamp(10px, 2.6vw, 14px); font-size: clamp(12px, 3.2vw, 14px); }
  .nav-toggle { flex-basis: 40px; width: 40px; height: 40px; margin-left: 2px; }
}
@media (max-width: 375px) {
  .header-inner { padding-left: 8px; padding-right: 8px; gap: 6px; }
  .site-logo { max-width: 104px; }
  .header-actions .btn { min-height: 38px; padding-inline: 9px; font-size: 12px; }
  .nav-toggle { flex-basis: 38px; width: 38px; height: 38px; }
}

/* ===== MOBILE MENU ===== */
.mobile-menu { display: none; position: fixed; top: var(--mobile-header-h); left: 0; right: 0; background: var(--color-bg); border-top: 1px solid var(--color-border); padding: 16px; flex-direction: column; gap: 2px; max-height: calc(100vh - var(--mobile-header-h)); overflow-y: auto; z-index: 999; }
.mobile-menu.is-open { display: flex; }
.mobile-menu .nav-link { display: block; padding: 14px 16px; color: var(--color-text-soft); border-radius: var(--radius-sm); font-size: 15px; }
.mobile-menu .nav-link:hover, .mobile-menu .nav-link.active { background: rgba(255,255,255,.05); color: var(--color-text); }
.mobile-nav-btn { display: block; padding: 14px 16px; text-align: center; border-radius: var(--radius-sm); font-weight: 600; margin-top: 4px; }
.mobile-nav-btn:first-of-type { background: rgba(255,255,255,.08); color: var(--color-text); }
.mobile-nav-btn:last-of-type { background: var(--gradient-button); color: #fff; }

/* ===== BREADCRUMB ===== */
.breadcrumb-nav { padding: 14px 0; font-size: 13px; color: var(--color-text-muted); }
.breadcrumb-nav a { color: var(--color-text-soft); }
.bc-sep { margin: 0 6px; opacity: .5; }

/* ===== SECTIONS ===== */
.section { padding: clamp(48px, 6vw, 80px) 0; }
.section-alt { background: var(--color-surface); }
.section-surface { background: var(--color-bg-soft); }
.section-gradient { background: var(--gradient-hero); }

/* ===== HERO ===== */
.hero-home { padding: clamp(48px, 8vw, 100px) 0; background: var(--gradient-hero); position: relative; overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: clamp(24px, 4vw, 48px); align-items: center; }
.hero-badge { display: inline-flex; align-items: center; gap: 6px; background: rgba(13,110,63,.15); color: var(--color-primary); padding: 6px 14px; border-radius: 20px; font-size: 13px; font-weight: 600; margin-bottom: 16px; border: 1px solid rgba(13,110,63,.2); }
.hero-home h1 { font-size: clamp(28px, 4vw, 48px); line-height: 1.2; margin-bottom: 18px; font-weight: 800; }
.hero-home p { font-size: clamp(15px, 1.2vw, 17px); color: var(--color-text-soft); line-height: 1.8; margin-bottom: 24px; }
.hero-visual { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-card); }
.cta-inline { display: flex; flex-wrap: wrap; gap: 12px; }
.hero-inner { padding: clamp(36px, 5vw, 64px) 0; background: var(--gradient-hero); }
.hero-inner h1 { font-size: clamp(24px, 3.2vw, 40px); line-height: 1.25; margin-bottom: 16px; }
.hero-inner p { color: var(--color-text-soft); line-height: 1.8; margin-bottom: 20px; max-width: 860px; }
.hero-form { padding: clamp(32px, 4vw, 56px) 0; background: var(--gradient-hero); }
.hero-form h1 { font-size: clamp(22px, 3vw, 36px); margin-bottom: 12px; }
.hero-reading { padding: clamp(32px, 4vw, 56px) 0; background: var(--gradient-hero); }
.hero-reading h1 { font-size: clamp(22px, 3vw, 36px); margin-bottom: 12px; }
.hero-policy { padding: clamp(28px, 3.5vw, 48px) 0; background: var(--gradient-hero); }
.hero-policy h1 { font-size: clamp(22px, 2.8vw, 34px); margin-bottom: 8px; }
.policy-updated { color: var(--color-text-muted); font-size: 14px; }

/* ===== CARDS ===== */
.card { background: var(--color-card); border: 1px solid var(--color-border); border-radius: var(--radius-card); padding: clamp(20px, 2.5vw, 28px); transition: all var(--motion-normal) var(--ease-out); }
.card:hover { border-color: var(--color-border-strong); box-shadow: var(--shadow-card-hover); transform: translateY(-2px); }
.card h3 { font-size: clamp(17px, 1.3vw, 20px); margin-bottom: 10px; }
.card p { color: var(--color-text-soft); font-size: 15px; line-height: 1.7; }
.card-icon { width: 48px; height: 48px; display: flex; align-items: center; justify-content: center; background: rgba(13,110,63,.12); color: var(--color-primary); border-radius: 12px; font-size: 22px; margin-bottom: 14px; }
.card-grid { display: grid; gap: clamp(16px, 2vw, 24px); }
.card-grid-3 { grid-template-columns: repeat(3, 1fr); }
.card-grid-4 { grid-template-columns: repeat(4, 1fr); }
.card-trust { border-left: 3px solid var(--color-primary); }
.card-feature { border-top: 3px solid var(--color-primary); }
.card-step { text-align: center; position: relative; }
.step-num { width: 40px; height: 40px; display: inline-flex; align-items: center; justify-content: center; background: var(--gradient-button); color: #fff; border-radius: 50%; font-weight: 700; font-size: 18px; margin-bottom: 12px; }

/* ===== CONTENT LAYOUTS ===== */
.content-split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(24px, 3vw, 40px); align-items: start; }
.content-flow { max-width: 860px; }
.content-flow h2 { font-size: clamp(22px, 2.5vw, 32px); margin: 32px 0 14px; line-height: 1.3; }
.content-flow h3 { font-size: clamp(18px, 1.8vw, 24px); margin: 24px 0 10px; }
.content-flow p { color: var(--color-text-soft); line-height: 1.85; margin-bottom: 16px; font-size: 16px; }
.content-flow ul { padding-left: 24px; margin-bottom: 16px; color: var(--color-text-soft); }
.content-flow li { margin-bottom: 8px; line-height: 1.7; }
.content-img { border-radius: var(--radius-lg); overflow: hidden; }
.content-img img { width: 100%; height: auto; border-radius: var(--radius-lg); }

/* ===== TABLE ===== */
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.data-table { width: 100%; border-collapse: collapse; background: var(--color-card); border-radius: var(--radius-card); overflow: hidden; }
.data-table th { background: var(--color-surface-strong); padding: 14px 16px; text-align: left; font-weight: 600; font-size: 14px; border-bottom: 1px solid var(--color-border); }
.data-table td { padding: 12px 16px; border-bottom: 1px solid var(--color-border); font-size: 14px; color: var(--color-text-soft); }
.badge-yes { color: var(--color-success); font-weight: 600; }
.badge-no { color: var(--color-text-muted); }

/* ===== PAYMENT ===== */
.payment-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 16px; }
.payment-item { background: var(--color-card); border: 1px solid var(--color-border); border-radius: var(--radius-md); padding: 20px; text-align: center; }
.payment-item strong { display: block; margin-bottom: 6px; font-size: 16px; }
.payment-item span { font-size: 13px; color: var(--color-text-muted); }

/* ===== STATS ===== */
.stat-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.stat-item { background: var(--color-card); border: 1px solid var(--color-border); border-radius: var(--radius-md); padding: 20px; text-align: center; }
.stat-item strong { display: block; font-size: clamp(28px, 3vw, 40px); color: var(--color-primary); font-weight: 800; }
.stat-item span { font-size: 13px; color: var(--color-text-muted); }

/* ===== PROMOS ===== */
.promo-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; }
.promo-card { background: var(--color-card); border: 1px solid var(--color-border); border-radius: var(--radius-card); padding: 24px; border-left: 4px solid var(--color-primary); }
.promo-card-welcome { border-left-color: var(--color-success); }
.promo-card-cashback { border-left-color: var(--color-warning); }
.promo-card-refer { border-left-color: var(--color-secondary); }
.promo-card-season { border-left-color: var(--color-danger); }

/* ===== CTA SECTION ===== */
.cta-section { text-align: center; padding: clamp(32px, 4vw, 56px); background: var(--color-surface); border-radius: var(--radius-xl); border: 1px solid var(--color-border); }
.cta-section h2 { font-size: clamp(22px, 2.8vw, 34px); margin-bottom: 12px; }
.cta-section p { color: var(--color-text-soft); max-width: 600px; margin: 0 auto 20px; }

/* ===== STEP FLOW ===== */
.step-flow { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }

/* ===== ICON STRIP ===== */
.icon-strip { display: flex; flex-wrap: wrap; justify-content: center; gap: clamp(16px, 3vw, 32px); }
.icon-strip-item { display: flex; flex-direction: column; align-items: center; gap: 8px; }
.icon-strip-item i { font-size: 32px; }
.icon-strip-item span { font-size: 13px; color: var(--color-text-muted); }

/* ===== FAQ ===== */
.container > h2:has(+ .faq-list) { text-align: center; }
.faq-list { max-width: 860px; margin-left: auto; margin-right: auto; }
.faq-item { border: 1px solid var(--color-border); border-radius: var(--radius-md); margin-bottom: 8px; overflow: hidden; }
.faq-question { display: flex; align-items: center; justify-content: space-between; width: 100%; padding: 16px 20px; background: var(--color-card); color: var(--color-text); border: none; cursor: pointer; font-size: 15px; font-weight: 600; text-align: left; font-family: inherit; transition: background var(--motion-fast); }
.faq-question:hover { background: var(--color-surface-strong); }
.faq-question::after { content: "+"; font-size: 20px; color: var(--color-primary); flex-shrink: 0; margin-left: 12px; transition: transform var(--motion-fast); }
.faq-question[aria-expanded="true"]::after { content: "−"; }
.faq-answer { display: none; padding: 0 20px 16px; background: var(--color-card); }
.faq-answer p { color: var(--color-text-soft); line-height: 1.8; font-size: 15px; }
.faq-item.is-open .faq-answer { display: block; }

/* ===== AUTH LAYOUT ===== */
.auth-layout { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(24px, 3vw, 40px); align-items: start; }
.form-card { background: var(--color-card); border: 1px solid var(--color-border); border-radius: var(--radius-card); padding: clamp(24px, 3vw, 36px); }
.form-group { margin-bottom: 16px; }
.form-label { display: block; margin-bottom: 6px; font-size: 14px; font-weight: 600; color: var(--color-text-soft); }
.form-input { width: 100%; padding: 12px 16px; background: var(--color-bg); border: 1px solid var(--color-border-strong); border-radius: var(--radius-sm); color: var(--color-text); font-size: 15px; font-family: inherit; transition: border-color var(--motion-fast); }
.form-input:focus { border-color: var(--color-primary); outline: none; }
.trust-card { background: var(--color-card); border: 1px solid var(--color-border); border-radius: var(--radius-card); padding: clamp(20px, 2.5vw, 28px); }
.trust-item { display: flex; gap: 14px; padding: 14px 0; border-bottom: 1px solid var(--color-border); }
.trust-item:last-child { border-bottom: none; }
.trust-item i { font-size: 22px; color: var(--color-primary); flex-shrink: 0; margin-top: 2px; }
.trust-item strong { display: block; margin-bottom: 4px; font-size: 15px; }
.trust-item p { font-size: 14px; color: var(--color-text-muted); line-height: 1.6; margin: 0; }

/* ===== POLICY ===== */
.policy-toc { background: var(--color-card); border: 1px solid var(--color-border); border-radius: var(--radius-card); padding: 20px 24px; margin-bottom: 24px; }
.policy-toc h3 { margin-bottom: 10px; font-size: 16px; }
.policy-toc a { display: block; padding: 6px 0; color: var(--color-text-soft); font-size: 14px; }
.policy-note { background: rgba(13,110,63,.08); border-left: 3px solid var(--color-primary); padding: 16px 20px; border-radius: var(--radius-sm); margin-bottom: 24px; color: var(--color-text-soft); font-size: 15px; }

/* ===== FOOTER ===== */
.site-footer { background: var(--color-footer-bg); border-top: 1px solid var(--color-border); padding: clamp(40px, 5vw, 64px) 0 0; }
.footer-inner { max-width: var(--container-max); margin: 0 auto; padding: 0 clamp(16px, 4vw, 24px); }
.footer-grid { display: grid; grid-template-columns: 1.5fr repeat(4, 1fr); gap: clamp(24px, 3vw, 40px); }
.footer-brand h3 { font-size: 20px; margin-bottom: 10px; }
.footer-brand p { font-size: 14px; color: var(--color-footer-text); line-height: 1.7; margin-bottom: 14px; }
.age-badge-wrap { display: flex; align-items: center; gap: 8px; }
.age-badge { display: inline-flex; align-items: center; justify-content: center; width: 36px; height: 36px; border: 2px solid var(--color-danger); border-radius: 50%; font-weight: 800; font-size: 13px; color: var(--color-danger); }
.age-note { font-size: 12px; color: var(--color-text-muted); }
.footer-col h4 { font-size: 15px; margin-bottom: 14px; color: var(--color-text); }
.footer-col a { display: block; padding: 5px 0; color: var(--color-footer-text); font-size: 14px; transition: color var(--motion-fast); }
.footer-col a:hover { color: var(--color-primary); }
.footer-bottom { margin-top: 32px; padding: 18px 0; border-top: 1px solid var(--color-border); display: flex; justify-content: space-between; font-size: 13px; color: var(--color-text-muted); }

/* ===== SWIPER FALLBACK ===== */
.swiper:not(.swiper-initialized) .swiper-slide { display: inline-block; width: auto; }

/* ===== AOS FALLBACK ===== */
[data-aos] { opacity: 1 !important; transform: none !important; }

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .content-split { grid-template-columns: 1fr; }
  .card-grid-3 { grid-template-columns: repeat(2, 1fr); }
  .card-grid-4 { grid-template-columns: repeat(2, 1fr); }
  .step-flow { grid-template-columns: repeat(2, 1fr); }
  .auth-layout { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .card-grid-3 { grid-template-columns: 1fr; }
  .card-grid-4 { grid-template-columns: 1fr; }
  .step-flow { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 6px; text-align: center; }
}