/* 8777bet apk - Emerald Trust Gaming UI - Design System */
:root {
  --color-primary: #14b8a6;
  --color-primary-dark: #0d9488;
  --color-primary-soft: rgba(20,184,166,.12);
  --color-secondary: #a7f3d0;
  --color-accent: #fbbf24;
  --color-bg: #0f172a;
  --color-bg-soft: #1e293b;
  --color-surface: rgba(255,255,255,.07);
  --color-surface-strong: rgba(255,255,255,.12);
  --color-card: rgba(255,255,255,.08);
  --color-card-alt: rgba(20,184,166,.08);
  --color-border: rgba(167,243,208,.2);
  --color-border-strong: rgba(167,243,208,.35);
  --color-text: #e6fffb;
  --color-text-soft: #cbd5e1;
  --color-text-muted: #94a3b8;
  --color-success: #22c55e;
  --color-warning: #f59e0b;
  --color-danger: #ef4444;
  --color-footer-bg: #0a0f1a;
  --color-footer-text: #94a3b8;
  --gradient-hero: linear-gradient(135deg, rgba(20,184,166,.18), rgba(167,243,208,.08));
  --gradient-button: linear-gradient(135deg, var(--color-primary), #0ea5a0);
  --gradient-button-hover: linear-gradient(135deg, #2dd4bf, var(--color-primary));
  --gradient-cta: linear-gradient(135deg, rgba(20,184,166,.2), rgba(251,191,36,.1));
  --shadow-header: 0 2px 20px rgba(0,0,0,.3);
  --shadow-card: 0 8px 32px rgba(0,0,0,.2);
  --shadow-card-hover: 0 12px 40px rgba(0,0,0,.3);
  --shadow-soft: 0 4px 16px rgba(0,0,0,.15);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-pill: 999px;
  --font-base: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, "Noto Sans Bengali", sans-serif;
  --fs-h1: clamp(1.8rem, 4vw, 3rem);
  --fs-h2: clamp(1.4rem, 3vw, 2.2rem);
  --fs-h3: clamp(1.1rem, 2vw, 1.5rem);
  --fs-body: 1.05rem;
  --fs-small: .9rem;
  --lh-body: 1.8;
  --container-max: 1200px;
  --section-y: clamp(48px, 6vw, 80px);
  --gap-md: 24px;
  --gap-lg: 36px;
  --header-h: 72px;
  --motion-normal: .3s;
  --ease-out: cubic-bezier(.16,1,.3,1);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; padding: 0;
  font-family: var(--font-base);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  color: var(--color-text);
  background: radial-gradient(ellipse at top left, rgba(20,184,166,.15), transparent 40%),
              radial-gradient(ellipse at bottom right, rgba(167,243,208,.08), transparent 40%),
              var(--color-bg);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-md); }
a { color: var(--color-primary); text-decoration: none; transition: color var(--motion-normal); }
a:hover { color: var(--color-secondary); }
:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 3px; border-radius: 4px; }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; } }

/* Container */
.container { width: 100%; max-width: var(--container-max); margin: 0 auto; padding: 0 clamp(16px, 4vw, 32px); }

/* ===== HEADER ===== */
.site-header {
  position: sticky; top: 0; z-index: 1000; width: 100%;
  background: rgba(15,23,42,.85); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border); transition: box-shadow var(--motion-normal);
}
.site-header.scrolled { box-shadow: var(--shadow-header); }
.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); }
.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); text-decoration: none; border-radius: var(--radius-sm);
  transition: color var(--motion-normal), background var(--motion-normal);
}
.primary-nav a:hover { color: #fff; background: var(--color-surface); }
.primary-nav a.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-pill); font-weight: 600;
  font-size: .9rem; line-height: 1; text-decoration: none; cursor: pointer;
  border: none; transition: all var(--motion-normal) var(--ease-out); min-height: 42px;
}
.btn-login { background: transparent; color: var(--color-text); border: 1px solid var(--color-border); }
.btn-login:hover { background: var(--color-surface); color: #fff; }
.btn-register { background: var(--gradient-button); color: #052e2b; }
.btn-register:hover { background: var(--gradient-button-hover); transform: translateY(-1px); box-shadow: 0 4px 16px rgba(20,184,166,.3); }
.btn-primary-cta { background: var(--gradient-button); color: #052e2b; font-weight: 700; padding: 14px 28px; font-size: 1rem; }
.btn-primary-cta:hover { background: var(--gradient-button-hover); transform: translateY(-2px); box-shadow: 0 6px 24px rgba(20,184,166,.35); color: #022c22; }
.btn-outline-cta { background: transparent; color: var(--color-secondary); border: 1px solid var(--color-secondary); padding: 14px 28px; font-size: 1rem; }
.btn-outline-cta:hover { background: rgba(167,243,208,.1); color: #fff; }
.btn-secondary-cta { background: var(--color-surface-strong); color: var(--color-text); padding: 12px 24px; border: 1px solid var(--color-border); }
.btn-secondary-cta:hover { background: var(--color-surface); border-color: var(--color-primary); }
.btn-form-submit { width: 100%; justify-content: center; margin-top: 8px; }

/* Nav Toggle */
.nav-toggle {
  display: none; flex: 0 0 40px; width: 40px; height: 40px;
  align-items: center; justify-content: center; flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer; padding: 0; margin-left: 2px;
}
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--color-text); border-radius: 2px; transition: all var(--motion-normal); }

/* Mobile Menu */
.mobile-menu {
  display: none; position: fixed; left: 12px; right: 12px; top: calc(var(--header-h) + 8px);
  background: var(--color-bg-soft); border: 1px solid var(--color-border); border-radius: var(--radius-lg);
  padding: 16px; max-height: calc(100vh - var(--header-h) - 24px); overflow-y: auto;
  box-shadow: var(--shadow-card); z-index: 999;
}
.mobile-menu.is-open { display: block; }
.mobile-nav { display: flex; flex-direction: column; gap: 0; }
.mobile-nav a {
  padding: 14px 16px; color: var(--color-text-soft); text-decoration: none; font-size: 1rem;
  border-radius: var(--radius-sm); transition: background var(--motion-normal);
}
.mobile-nav a:hover { background: var(--color-surface); color: #fff; }
.mobile-nav a.active { color: var(--color-primary); font-weight: 600; }

@media (max-width: 1180px) {
  .site-header .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);
  }
  .brand-wrap { flex: 0 1 auto; margin-right: 0; }
  .site-logo { height: clamp(30px, 8vw, 40px); max-width: clamp(104px, 27vw, 138px); }
  .primary-nav { display: none; }
  .header-actions { margin-left: auto; flex: 0 0 auto; 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 { display: inline-flex; }
}
@media (max-width: 375px) {
  .site-header .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; }
}

/* ===== SECTIONS ===== */
section { padding: var(--section-y) 0; }
section + section { border-top: 1px solid rgba(167,243,208,.06); }
h1 { font-size: var(--fs-h1); font-weight: 800; line-height: 1.2; margin: 0 0 20px; }
h2 { font-size: var(--fs-h2); font-weight: 700; line-height: 1.25; margin: 0 0 16px; color: var(--color-text); }
h3 { font-size: var(--fs-h3); font-weight: 600; line-height: 1.35; margin: 24px 0 10px; }
h4 { font-size: 1.05rem; font-weight: 600; margin: 0 0 12px; }
p { margin: 0 0 16px; color: var(--color-text-soft); }

/* ===== HERO ===== */
.home-hero { padding: clamp(60px, 8vw, 100px) 0; background: var(--gradient-hero); }
.hero-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: var(--gap-lg); align-items: center; }
.hero-title { color: #fff; }
.hero-lead { font-size: 1.1rem; color: var(--color-text-soft); margin-bottom: 24px; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 16px; }
.hero-trust { font-size: .9rem; color: var(--color-text-muted); display: flex; align-items: center; gap: 8px; }
.hero-visual img { border-radius: var(--radius-lg); box-shadow: var(--shadow-card); }
@media (max-width: 768px) {
  .hero-grid { grid-template-columns: 1fr; text-align: center; }
  .hero-cta { justify-content: center; }
  .hero-trust { justify-content: center; }
}

/* ===== CARDS ===== */
.feature-cards, .advantage-grid, .benefit-grid, .value-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: var(--gap-md); margin-top: 24px; }
.feature-card, .advantage-card, .benefit-card, .value-card, .stat-card {
  background: var(--color-card); border: 1px solid var(--color-border); border-radius: var(--radius-lg);
  padding: 28px; transition: transform var(--motion-normal), box-shadow var(--motion-normal);
}
.feature-card:hover, .advantage-card:hover, .stat-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-card-hover); }
.card-icon, .stat-icon { width: 52px; height: 52px; border-radius: 14px; display: flex; align-items: center; justify-content: center; background: var(--color-primary-soft); color: var(--color-primary); font-size: 1.4rem; margin-bottom: 14px; border: 1px solid var(--color-border); }
.stat-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: var(--gap-md); margin-top: 24px; }

/* ===== SPLIT CONTENT ===== */
.split-content { display: grid; grid-template-columns: 1.1fr .9fr; gap: var(--gap-lg); align-items: start; margin-top: 20px; }
.content-image img, .feature-visual img, .guide-inline-image img { border-radius: var(--radius-lg); box-shadow: var(--shadow-soft); }
@media (max-width: 768px) { .split-content { grid-template-columns: 1fr; } }

/* ===== TABLE ===== */
.table-scroll { overflow-x: auto; margin: 20px 0; -webkit-overflow-scrolling: touch; }
.comparison-table { width: 100%; border-collapse: collapse; background: var(--color-card); border-radius: var(--radius-md); overflow: hidden; }
.comparison-table th, .comparison-table td { padding: 14px 18px; text-align: left; border-bottom: 1px solid var(--color-border); }
.comparison-table th { background: var(--color-surface-strong); color: var(--color-text); font-weight: 600; }
.comparison-table td { color: var(--color-text-soft); }

/* ===== TESTIMONIALS ===== */
.testimonial-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: var(--gap-md); }
.testimonial-card { background: var(--color-card); border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: 28px; }
.stars { color: var(--color-accent); margin-bottom: 12px; font-size: 1.1rem; }
.reviewer { display: block; margin-top: 12px; font-size: .9rem; color: var(--color-text-muted); font-style: italic; }

/* ===== FAQ ===== */
.faq-list { display: flex; flex-direction: column; gap: 10px; }
.faq-item { background: var(--color-card); border: 1px solid var(--color-border); border-radius: var(--radius-md); overflow: hidden; }
.faq-trigger {
  width: 100%; padding: 18px 20px; background: none; border: none; color: var(--color-text);
  font-size: 1rem; font-weight: 600; text-align: left; cursor: pointer;
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  font-family: var(--font-base); transition: background var(--motion-normal);
}
.faq-trigger:hover { background: var(--color-surface); }
.faq-trigger i { transition: transform var(--motion-normal); color: var(--color-primary); flex-shrink: 0; }
.faq-trigger[aria-expanded="true"] i { transform: rotate(180deg); }
.faq-trigger[aria-expanded="true"] { background: rgba(20,184,166,.12); }
.faq-answer { display: none; padding: 0 20px 18px; color: var(--color-text-soft); }
.faq-answer.is-open { display: block; }

/* ===== BREADCRUMB ===== */
.breadcrumb-nav { padding: 16px 0; }
.breadcrumb { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 4px; font-size: .9rem; }
.breadcrumb li + li::before { content: "›"; margin-right: 4px; color: var(--color-text-muted); }
.breadcrumb a { color: var(--color-text-muted); }
.breadcrumb a:hover { color: var(--color-primary); }
.breadcrumb [aria-current] { color: var(--color-text-soft); }

/* ===== AUTH PAGES ===== */
.auth-layout { display: grid; grid-template-columns: 1.1fr .9fr; gap: var(--gap-lg); align-items: start; }
.auth-form-card {
  background: var(--color-card); border: 1px solid var(--color-border); border-radius: var(--radius-lg);
  padding: 32px; box-shadow: var(--shadow-card);
}
.auth-form-card h3 { margin-top: 0; }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; margin-bottom: 6px; font-weight: 600; font-size: .95rem; color: var(--color-text); }
.form-group 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; font-family: var(--font-base);
  transition: border-color var(--motion-normal), box-shadow var(--motion-normal);
}
.form-group input:focus { border-color: var(--color-primary); box-shadow: 0 0 0 3px rgba(20,184,166,.15); outline: none; }
.form-note { text-align: center; font-size: .9rem; color: var(--color-text-muted); margin-top: 14px; }
@media (max-width: 768px) { .auth-layout { grid-template-columns: 1fr; } }

/* Steps */
.step-list { display: flex; flex-direction: column; gap: 20px; margin-top: 20px; }
.step-item { display: flex; gap: 18px; align-items: flex-start; background: var(--color-card); border: 1px solid var(--color-border); border-radius: var(--radius-md); padding: 24px; }
.step-num { flex-shrink: 0; width: 42px; height: 42px; display: flex; align-items: center; justify-content: center; border-radius: 50%; background: var(--gradient-button); color: #052e2b; font-weight: 800; font-size: 1.1rem; }
.trouble-steps { display: flex; flex-direction: column; gap: 16px; margin-top: 16px; }
.trouble-item { background: var(--color-card); border: 1px solid var(--color-border); border-radius: var(--radius-md); padding: 22px; }
.warning-box { background: rgba(245,158,11,.08); border: 1px solid rgba(245,158,11,.25); border-radius: var(--radius-md); padding: 24px; margin-top: 16px; }
.warning-box p { margin-bottom: 10px; }

/* ===== POLICY ===== */
.policy-updated { font-size: .9rem; color: var(--color-text-muted); }
.policy-content { max-width: 860px; }
.policy-toc { background: var(--color-card); border: 1px solid var(--color-border); border-radius: var(--radius-md); padding: 22px; margin-bottom: 28px; }
.policy-toc ul { list-style: none; padding: 0; margin: 8px 0 0; display: flex; flex-wrap: wrap; gap: 8px 20px; }
.policy-toc li { color: var(--color-primary); font-size: .95rem; }

/* ===== BLOG / ARTICLE ===== */
.article-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); gap: var(--gap-md); margin-bottom: 32px; }
.article-card { background: var(--color-card); border: 1px solid var(--color-border); border-radius: var(--radius-lg); overflow: hidden; transition: transform var(--motion-normal); }
.article-card:hover { transform: translateY(-4px); }
.article-thumb img { width: 100%; height: 220px; object-fit: cover; border-radius: 0; }
.article-info { padding: 22px; }
.article-info h3 a { color: var(--color-text); }
.article-info h3 a:hover { color: var(--color-primary); }
.article-meta { font-size: .85rem; color: var(--color-text-muted); margin-bottom: 8px; }
.read-more { font-weight: 600; color: var(--color-primary); }

.article-shell { padding: var(--section-y) 0; }
.article-container { max-width: 820px; }
.article-cover img { width: 100%; border-radius: var(--radius-lg); margin: 20px 0 28px; }
.article-body { line-height: 1.9; }
.article-body h2 { margin-top: 36px; }
.article-body p { margin-bottom: 18px; }
.article-footer { margin-top: 40px; padding-top: 24px; border-top: 1px solid var(--color-border); }
.related-articles { list-style: none; padding: 0; margin: 12px 0 20px; }
.related-articles li { margin-bottom: 6px; }

/* ===== STATS ===== */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: var(--gap-md); margin-top: 20px; text-align: center; }
.stat-block { background: var(--color-card); border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: 28px; }
.stat-number { display: block; font-size: 2.4rem; font-weight: 800; color: var(--color-primary); line-height: 1; }
.stat-label { display: block; font-size: .9rem; color: var(--color-text-muted); margin-top: 8px; }

/* ===== GUIDE PAGES ===== */
.guide-lead { font-size: 1.1rem; color: var(--color-text-soft); margin-bottom: 24px; }
.guide-hero-visual { margin-top: 24px; }
.guide-hero-visual img { border-radius: var(--radius-lg); box-shadow: var(--shadow-card); }
.guide-inline-image { margin: 20px 0; }
.guide-inline-image img { border-radius: var(--radius-md); }
.guide-cta-buttons, .final-cta-buttons, .about-cta-buttons, .login-cta-buttons { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 20px; }
.related-links { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 16px; }
.related-link { background: var(--color-card); border: 1px solid var(--color-border); border-radius: var(--radius-pill); padding: 10px 20px; color: var(--color-text); font-weight: 500; transition: all var(--motion-normal); }
.related-link:hover { background: var(--color-primary-soft); border-color: var(--color-primary); color: var(--color-primary); }

/* ===== CTA SECTIONS ===== */
.cta-inline { margin-top: 20px; }
.home-final-cta, .guide-final-cta, .register-final, .login-final, .about-cta, .faq-contact-cta {
  background: var(--gradient-cta); border-radius: var(--radius-xl); text-align: center;
}

/* ===== 404 ===== */
.error-section { text-align: center; padding: clamp(80px, 12vw, 160px) 0; }
.error-section h1 { font-size: clamp(2rem, 5vw, 4rem); color: var(--color-primary); }

/* ===== FOOTER ===== */
.site-footer { background: var(--color-footer-bg); border-top: 1px solid var(--color-border); padding: 48px 0 0; margin-top: 0; }
.footer-inner { max-width: var(--container-max); margin: 0 auto; padding: 0 clamp(16px, 4vw, 32px); }
.footer-top { margin-bottom: 32px; }
.footer-brand-text { color: var(--color-footer-text); max-width: 600px; font-size: .95rem; }
.footer-contact { color: var(--color-footer-text); font-size: .9rem; margin-top: 8px; }
.footer-contact a { color: var(--color-primary); }
.footer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 28px; margin-bottom: 32px; }
.footer-col h4 { color: var(--color-text); font-size: 1rem; margin-bottom: 12px; }
.footer-col ul { list-style: none; padding: 0; margin: 0; }
.footer-col li { margin-bottom: 8px; }
.footer-col a { color: var(--color-footer-text); font-size: .9rem; transition: color var(--motion-normal); }
.footer-col a:hover { color: var(--color-secondary); }
.footer-bottom { border-top: 1px solid var(--color-border); padding: 20px 0; text-align: center; }
.footer-bottom p { font-size: .85rem; color: var(--color-text-muted); margin: 0; }

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

/* ===== SWIPER FALLBACK ===== */
.swiper:not(.swiper-initialized) { overflow-x: auto; display: flex; gap: 16px; scroll-snap-type: x mandatory; }
.swiper:not(.swiper-initialized) .swiper-slide { flex: 0 0 auto; scroll-snap-align: start; }

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  section { padding: clamp(36px, 5vw, 56px) 0; }
  .feature-cards, .advantage-grid, .benefit-grid, .value-cards, .stat-cards { grid-template-columns: 1fr; }
  .testimonial-grid { grid-template-columns: 1fr; }
  .article-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 414px) {
  h1 { font-size: 1.6rem; }
  .hero-cta .btn { width: 100%; }
  .stats-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .step-item { flex-direction: column; align-items: center; text-align: center; }
}