/* ═══════════════════════════════════════════
   บุญมี สล็อต — Design System
   Navy Blue + Gold Casino Theme
   ═══════════════════════════════════════════ */

:root {
  --color-primary: #0a1628;
  --color-secondary: #d4a017;
  --color-accent: #ffd700;
  --color-bg: #060e1a;
  --color-surface: rgba(15, 30, 55, 0.6);
  --color-text: #ffffff;
  --bg-footer: #050c15;
  --bg-card-solid: #1a2a40;
  --bg-card-dark: #0d1b30;
  --bg-heading-block: rgba(10, 22, 40, 0.5);
  --bg-ticker: #0d1b30;
  --text-heading: #ffe4b5;
  --text-heading-alt: #ffd9a0;
  --text-nav-hover: #ffd700;
  --text-link: #e8b830;
  --text-keyword: #e8c860;
  --text-footer-brand: #f0c030;
  --border-header: #e8b830;
  --border-section: #d4a017;
  --border-footer: #ffd700;
  --border-faq: #1a2a40;
  --border-divider: #f0d878;
  --gradient-btn-primary: linear-gradient(180deg, #d4a017 0%, #a07810 100%);
  --gradient-btn-secondary: linear-gradient(180deg, #e8b830 0%, #d4a017 100%);
  --gradient-btn-mobile: linear-gradient(180deg, #d4a017 0%, #a07810 100%);
  --gradient-provider: linear-gradient(135deg, #0d1b30 0%, #1a2a40 100%);
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 40px;
  --space-2xl: 60px;
  --space-3xl: 80px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Kanit', sans-serif;
  font-size: 17px;
  font-weight: 400;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  background-image: radial-gradient(ellipse at 50% 0%, rgba(15,30,55,0.4) 0%, transparent 70%);
  background-attachment: fixed;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--text-link); text-decoration: none; transition: color 0.2s ease; }
a:hover { color: var(--color-accent); }
img { max-width: 100%; height: auto; display: block; }
.container { max-width: 1240px; margin: 0 auto; padding: 0 var(--space-md); }

h1 { font-size: 32px; font-weight: 600; line-height: 1.2; color: var(--text-heading); margin-bottom: var(--space-lg); }
h2 { font-size: 25px; font-weight: 600; line-height: 1.3; color: var(--text-heading); margin-bottom: var(--space-md); }
h3 { font-size: 20px; font-weight: 600; line-height: 1.3; color: var(--text-heading-alt); margin-bottom: var(--space-sm); }
p { margin-bottom: var(--space-md); }

.site-header {
  position: sticky; top: 0; z-index: 1000;
  background: var(--color-primary);
  border-bottom: 1px solid var(--border-header);
  height: 72px;
}
.header-inner {
  max-width: 1240px; margin: 0 auto; padding: 0 var(--space-md);
  display: flex; align-items: center; justify-content: space-between; height: 100%;
}
.logo-link { display: flex; align-items: center; flex-shrink: 0; }
.logo-link img { height: 56px; width: auto; }
.main-nav { display: flex; align-items: center; gap: var(--space-lg); }
.nav-link {
  color: var(--color-text); font-size: 16px; font-weight: 700;
  padding: var(--space-sm) 0; transition: color 0.2s ease;
}
.nav-link:hover, .nav-link.active { color: var(--text-nav-hover); }

.cta-header-nav {
  background: var(--gradient-btn-primary) !important;
  color: #fff !important; padding: 10px 24px !important;
  border-radius: 25px; font-weight: 500;
  text-shadow: 0 0 10px rgba(0,0,0,0.3); transition: transform 0.2s ease;
}
.cta-header-nav:hover { transform: scale(0.96); color: #fff !important; }

.hamburger {
  display: none; background: none; border: none; cursor: pointer;
  padding: var(--space-sm); flex-direction: column; gap: 5px;
}
.hamburger span {
  display: block; width: 26px; height: 3px;
  background: var(--color-text); border-radius: 2px; transition: transform 0.3s ease;
}
.mobile-nav {
  display: none; flex-direction: column; background: var(--color-primary);
  border-bottom: 1px solid var(--border-header); padding: var(--space-md);
}
.mobile-nav a {
  color: var(--color-text); font-size: 16px; font-weight: 700;
  padding: 12px 0; border-bottom: 1px solid rgba(255,255,255,0.1);
}
.mobile-nav a:hover { color: var(--text-nav-hover); }
.mobile-nav.open { display: flex; }

.ticker-bar {
  background: var(--bg-ticker); padding: 10px 0; overflow: hidden; margin-bottom: var(--space-lg);
}
.ticker-inner { display: flex; align-items: center; gap: var(--space-md); }
.ticker-label {
  background: var(--color-secondary); color: var(--color-primary);
  font-weight: 600; font-size: 14px; padding: 4px 12px; border-radius: 12px; white-space: nowrap;
}
.ticker-scroll { overflow: hidden; flex: 1; }
.ticker-text {
  display: inline-block; white-space: nowrap;
  animation: tickerScroll 25s linear infinite; font-size: 14px;
}
@keyframes tickerScroll {
  0% { transform: translateX(100%); }
  100% { transform: translateX(-100%); }
}

.hero-section { padding: var(--space-xl) 0; }
.hero-image-wrap { border-radius: 10px; overflow: hidden; margin-bottom: var(--space-lg); max-width: 1240px; margin-left: auto; margin-right: auto; padding: 0 var(--space-md); }
.hero-img { width: 100%; height: auto; border-radius: 10px; }
.hero-content { text-align: center; max-width: 1240px; margin: 0 auto; padding: 0 var(--space-md); }
.hero-title { margin-bottom: var(--space-md); }
.hero-lead, .hero-sub { font-size: 17px; line-height: 1.7; margin-bottom: var(--space-md); }
.hero-cta { display: flex; gap: var(--space-md); justify-content: center; flex-wrap: wrap; margin-top: var(--space-lg); }

.cta-button, .cta-primary {
  display: inline-block; background: var(--gradient-btn-primary); color: #fff;
  font-family: 'Kanit', sans-serif; font-size: 16px; font-weight: 500;
  padding: 14px 32px; border: none; border-radius: 25px; cursor: pointer;
  text-shadow: 0 0 10px rgba(0,0,0,0.3);
  transition: transform 0.2s ease, box-shadow 0.2s ease; text-align: center;
}
.cta-button:hover, .cta-primary:hover {
  transform: scale(0.96); color: #fff; box-shadow: 0 4px 15px rgba(212,160,23,0.3);
}
.cta-secondary {
  background: transparent; border: 2px solid var(--color-secondary); color: var(--color-secondary);
  padding: 12px 30px; border-radius: 25px; font-weight: 500; transition: all 0.2s ease;
}
.cta-secondary:hover { background: var(--color-secondary); color: var(--color-primary); }
.cta-footer-btn {
  display: inline-block; background: var(--gradient-btn-secondary); color: #fff;
  padding: 12px 28px; border-radius: 25px; font-weight: 500; font-size: 15px;
  border: 1px solid rgba(255,255,255,0.3); transition: transform 0.2s ease;
}
.cta-footer-btn:hover { transform: scale(0.96); color: #fff; }

.content-section {
  background: var(--color-surface); border: 2px solid var(--border-section);
  border-radius: 10px; padding: var(--space-lg); margin-bottom: var(--space-xl);
  box-shadow: 0 0 10px rgba(0,0,0,0.5);
}
.content-section h2 { margin-top: var(--space-md); }
.section-image { border-radius: 10px; overflow: hidden; margin: var(--space-md) 0; }
.section-image img { border-radius: 10px; transition: filter 0.3s ease; }
.section-image img:hover { filter: brightness(132%) contrast(121%) saturate(116%); }

.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-lg); align-items: center; }
.two-col.reverse { direction: rtl; }
.two-col.reverse > * { direction: ltr; }

.h3-block {
  background: var(--bg-heading-block); border-radius: 8px;
  padding: var(--space-md); margin-bottom: var(--space-md);
}
.h3-block h3 { color: var(--text-heading-alt); }
.h3-block ul, .h3-block ol { padding-left: var(--space-lg); margin-bottom: var(--space-sm); }
.h3-block li { margin-bottom: var(--space-xs); line-height: 1.5; }

.label-bar {
  background: var(--gradient-provider); border: 1px solid var(--border-section);
  border-radius: 7px; padding: 10px var(--space-md); margin-bottom: var(--space-sm); font-weight: 500;
}

.faq-section {
  background: var(--bg-card-dark); border-radius: 20px;
  padding: var(--space-xl); margin-bottom: var(--space-xl);
}
.faq-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-lg); }
.faq-card {
  background: var(--bg-card-solid); border: 1px solid var(--border-faq);
  border-radius: 20px; padding: 35px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.faq-card:hover { transform: translate3d(0,-8px,0) scale(1.02); box-shadow: 0 10px 30px rgba(0,0,0,0.3); }
.faq-card h3 { color: var(--color-accent); margin-bottom: var(--space-sm); font-size: 18px; }
.faq-card p { font-size: 15px; line-height: 1.6; margin-bottom: 0; }

.gallery-grid {
  display: grid; grid-template-columns: repeat(6, 1fr); gap: var(--space-sm); margin: var(--space-md) 0;
}
.gallery-grid img {
  border-radius: 7px; transition: filter 0.3s ease, transform 0.3s ease;
  aspect-ratio: 1; object-fit: cover;
}
.gallery-grid img:hover { filter: brightness(132%) contrast(121%) saturate(116%); transform: scale(1.05); }

.comparison-table { width: 100%; border-collapse: collapse; margin: var(--space-md) 0; }
.comparison-table th, .comparison-table td {
  padding: 12px var(--space-md); border: 1px solid var(--border-faq); text-align: left; font-size: 15px;
}
.comparison-table th { background: var(--bg-card-solid); color: var(--color-accent); font-weight: 600; }
.comparison-table td { background: var(--bg-card-dark); }
.comparison-table tr:hover td { background: rgba(26,42,64,0.8); }

.stats-grid, .review-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-md); margin: var(--space-md) 0;
}
.stat-card, .review-card {
  background: var(--bg-card-solid); border: 1px solid var(--border-faq);
  border-radius: 12px; padding: var(--space-lg); text-align: center;
  transition: transform 0.3s ease;
}
.stat-card:hover, .review-card:hover { transform: translateY(-5px); }
.stat-number { font-size: 36px; font-weight: 700; color: var(--color-accent); display: block; margin-bottom: var(--space-xs); }
.review-stars { color: var(--color-accent); font-size: 20px; margin-bottom: var(--space-sm); }

.toc-progress {
  position: fixed; top: 72px; left: 0; width: 100%; height: 3px;
  background: rgba(255,255,255,0.1); z-index: 999;
}
.toc-progress-bar { height: 100%; width: 0; background: var(--gradient-btn-primary); transition: width 0.1s ease; }

.toc-toggle {
  position: fixed; bottom: 80px; left: 16px; width: 48px; height: 48px;
  background: var(--color-secondary); color: var(--color-primary);
  border: none; border-radius: 50%; font-size: 20px; cursor: pointer;
  z-index: 998; display: none; align-items: center; justify-content: center;
  box-shadow: 0 4px 12px rgba(0,0,0,0.4); transition: transform 0.2s ease;
}
.toc-toggle:hover { transform: scale(1.1); }
.toc-toggle.visible { display: flex; }

.toc-panel {
  position: fixed; bottom: 140px; left: 16px; width: 300px; max-height: 60vh;
  background: var(--color-primary); border: 1px solid var(--border-section);
  border-radius: 12px; padding: var(--space-lg); overflow-y: auto; z-index: 997;
  transform: translateY(20px); opacity: 0; pointer-events: none;
  transition: transform 0.3s ease, opacity 0.3s ease;
  box-shadow: 0 8px 24px rgba(0,0,0,0.5);
}
.toc-panel.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
.toc-panel h3 { color: var(--color-accent); margin-bottom: var(--space-md); font-size: 16px; }
.toc-panel ol { list-style: decimal; padding-left: var(--space-lg); }
.toc-panel li { margin-bottom: var(--space-sm); font-size: 14px; }
.toc-panel a { color: var(--color-text); transition: color 0.2s ease; }
.toc-panel a:hover { color: var(--color-accent); }
.toc-panel a.active { color: var(--color-accent); font-weight: 600; }

.site-footer {
  background: var(--bg-footer); border-top: 2px solid var(--border-footer);
  padding: var(--space-xl) 0 var(--space-lg); margin-top: var(--space-3xl);
}
.footer-grid {
  display: grid; grid-template-columns: 1.5fr 1fr 1fr;
  gap: var(--space-xl); margin-bottom: var(--space-xl);
  max-width: 1240px; margin-left: auto; margin-right: auto; padding: 0 var(--space-md);
}
.footer-logo-link { display: inline-block; }
.footer-logo-link img { height: auto; max-width: 140px; }
.footer-brand-name { font-size: 22px; font-weight: 700; color: var(--text-footer-brand); margin-bottom: var(--space-sm); }
.footer-col h4 { color: var(--color-accent); margin-bottom: var(--space-md); font-size: 16px; }
.footer-col ul { list-style: none; padding: 0; }
.footer-col li { margin-bottom: var(--space-xs); }
.footer-col a { display: block; color: rgba(255,255,255,0.7); font-size: 14px; padding: 4px 0; }
.footer-col a:hover { color: var(--color-accent); }
.footer-bottom {
  text-align: center; padding-top: var(--space-lg); border-top: 1px solid rgba(255,255,255,0.1);
  max-width: 1240px; margin: 0 auto; padding-left: var(--space-md); padding-right: var(--space-md);
}
.footer-bottom p { font-size: 13px; color: rgba(255,255,255,0.5); margin-bottom: var(--space-xs); }
.footer-warning { color: rgba(255,255,255,0.4); font-size: 12px; }
.cta-center { text-align: center; margin: var(--space-lg) 0; }

.mobile-bottom-nav {
  display: none; position: fixed; bottom: 0; left: 0; right: 0;
  background: rgba(0,0,0,0.78); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  z-index: 1001; padding: 6px 0; border-top: 1px solid rgba(255,255,255,0.1);
}
.mobile-bottom-nav a {
  flex: 1; display: flex; flex-direction: column; align-items: center;
  color: rgba(255,255,255,0.7); font-size: 11px; padding: 4px 0; text-decoration: none;
}
.mobile-bottom-nav a:hover { color: var(--color-accent); }
.mbn-icon { font-size: 20px; display: block; margin-bottom: 2px; }
.mbn-cta {
  background: var(--gradient-btn-mobile) !important; border-radius: 50%;
  width: 52px; height: 52px; margin-top: -18px;
  display: flex !important; align-items: center; justify-content: center;
  box-shadow: 0 4px 12px rgba(212,160,23,0.4); color: #fff !important;
}
.mbn-cta .mbn-icon { font-size: 22px; }
.mbn-cta span:last-child { display: none; }

.page-hero {
  padding: var(--space-xl) 0 var(--space-lg); text-align: center;
  background: var(--bg-card-dark); border-bottom: 1px solid var(--border-section);
  margin-bottom: var(--space-xl);
}
.page-hero h1 { margin-bottom: var(--space-sm); }
.page-hero p { font-size: 17px; color: rgba(255,255,255,0.7); max-width: 700px; margin: 0 auto; }

.login-form-container { max-width: 420px; margin: 0 auto var(--space-xl); }
.login-form {
  background: var(--bg-card-solid); border: 1px solid var(--border-section);
  border-radius: 16px; padding: var(--space-xl);
}
.login-form h3 { text-align: center; color: var(--color-accent); margin-bottom: var(--space-lg); }
.login-form label { display: block; font-size: 14px; margin-bottom: var(--space-xs); color: rgba(255,255,255,0.8); }
.login-form input {
  width: 100%; background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.2);
  border-radius: 8px; height: 48px; padding: 0 var(--space-md);
  color: var(--color-text); font-family: 'Kanit', sans-serif; font-size: 16px;
  margin-bottom: var(--space-md); transition: border-color 0.2s ease;
}
.login-form input:focus { outline: none; border-color: var(--color-accent); }
.login-form .cta-button { width: 100%; text-align: center; margin-bottom: var(--space-md); }
.form-links { display: flex; justify-content: space-between; font-size: 14px; }

.promo-card {
  background: var(--color-surface); border: 2px solid var(--border-section);
  border-radius: 12px; padding: var(--space-lg); margin-bottom: var(--space-lg);
  transition: transform 0.3s ease;
}
.promo-card:hover { transform: translateY(-4px); }
.promo-card img { border-radius: 10px; margin-bottom: var(--space-md); }
.promo-badge {
  display: inline-block; background: var(--color-secondary); color: var(--color-primary);
  font-size: 13px; font-weight: 600; padding: 4px 14px; border-radius: 20px; margin-bottom: var(--space-sm);
}
.promo-steps {
  background: var(--bg-heading-block); border-radius: 8px;
  padding: var(--space-md); margin: var(--space-md) 0;
}
.promo-steps ol { padding-left: var(--space-lg); }
.promo-steps li { margin-bottom: var(--space-xs); }
.numbered-steps { padding-left: var(--space-lg); margin: var(--space-md) 0; }
.numbered-steps li { margin-bottom: var(--space-sm); line-height: 1.6; }
.terms-list { padding-left: var(--space-lg); margin: var(--space-md) 0; }
.terms-list li { margin-bottom: var(--space-sm); line-height: 1.6; font-size: 15px; }

.blog-post { max-width: 860px; margin: 0 auto; padding: var(--space-xl) var(--space-md); }
.blog-post article { line-height: 1.7; }
.post-meta {
  display: flex; gap: var(--space-md); font-size: 14px;
  color: rgba(255,255,255,0.6); margin-bottom: var(--space-lg);
}
.featured-image { margin-bottom: var(--space-xl); border-radius: 10px; overflow: hidden; }
.featured-image img { border-radius: 10px; }

.toc-container {
  background: var(--bg-card-solid); border: 1px solid var(--border-section);
  border-radius: 12px; padding: var(--space-lg); margin-bottom: var(--space-xl);
}
.toc-container h3 { color: var(--color-accent); margin-bottom: var(--space-md); }
.toc-container ol { padding-left: var(--space-lg); }
.toc-container li { margin-bottom: var(--space-sm); }
.toc-container a { color: var(--text-link); }
.toc-container a:hover { color: var(--color-accent); }

.related-articles {
  background: var(--bg-card-dark); border-radius: 12px;
  padding: var(--space-lg); margin: var(--space-xl) 0;
}
.related-articles h3 { color: var(--color-accent); margin-bottom: var(--space-md); }
.related-articles ul { list-style: none; padding: 0; }
.related-articles li { margin-bottom: var(--space-sm); }
.related-articles a { color: var(--text-link); font-weight: 500; }

.post-grid {
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg); margin-top: var(--space-xl);
}
.post-card {
  background: var(--bg-card-solid); border: 1px solid var(--border-faq);
  border-radius: 12px; overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.post-card:hover { transform: translateY(-5px); box-shadow: 0 10px 30px rgba(0,0,0,0.3); }
.post-card-image img { width: 100%; aspect-ratio: 16/9; object-fit: cover; }
.post-card-content { padding: var(--space-lg); }
.post-card-content h2 { font-size: 18px; margin-bottom: var(--space-sm); }
.post-card-content h2 a { color: var(--text-heading); }
.post-card-content h2 a:hover { color: var(--color-accent); }
.post-card-meta { font-size: 13px; color: rgba(255,255,255,0.5); margin-bottom: var(--space-sm); }
.post-card-content p { font-size: 14px; color: rgba(255,255,255,0.7); margin-bottom: var(--space-md); }
.read-more { color: var(--color-secondary); font-weight: 500; font-size: 14px; }
.read-more:hover { color: var(--color-accent); }

.section-card {
  background: var(--bg-heading-block); border-radius: 10px;
  padding: var(--space-lg); margin-bottom: var(--space-lg);
}
.login-hero { margin-bottom: var(--space-xl); border-radius: 10px; overflow: hidden; }
.login-hero img { border-radius: 10px; width: 100%; }

.fade-in {
  opacity: 0; transform: translateY(20px);
  transition: opacity 0.5s ease-out, transform 0.5s ease-out;
}
.fade-in.visible { opacity: 1; transform: translateY(0); }
.kw { color: var(--text-keyword); }

.back-to-top {
  position: fixed; bottom: 80px; right: 16px; width: 44px; height: 44px;
  background: var(--bg-card-solid); color: var(--color-accent);
  border: 1px solid var(--border-section); border-radius: 50%; font-size: 20px;
  cursor: pointer; z-index: 998; opacity: 0; pointer-events: none;
  transition: opacity 0.3s ease, transform 0.2s ease;
}
.back-to-top.visible { opacity: 1; pointer-events: auto; }
.back-to-top:hover { transform: scale(1.1); }

@media (max-width: 1023px) {
  h1 { font-size: 25px; }
  h2 { font-size: 21px; }
  h3 { font-size: 19px; }
  body { font-size: 16px; }
  .cta-header-nav { display: none !important; }
  .hamburger { display: flex; }
  .main-nav { display: none; }
  .two-col { grid-template-columns: 1fr; }
  .two-col.reverse { direction: ltr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: var(--space-lg); }
  .faq-grid { grid-template-columns: 1fr; }
  .stats-grid, .review-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 767px) {
  h1 { font-size: 20px; }
  h2 { font-size: 19px; }
  h3 { font-size: 17px; }
  body { font-size: 15px; padding-bottom: 62px; background-attachment: scroll; }
  .container { padding: 0 12px; }
  .mobile-bottom-nav { display: flex; }
  .toc-toggle { bottom: 74px; }
  .toc-panel { bottom: 134px; width: calc(100% - 32px); }
  .content-section { padding: var(--space-md); }
  .faq-card { padding: var(--space-lg); }
  .gallery-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: 1fr; text-align: center; }
  .stats-grid, .review-grid { grid-template-columns: 1fr; }
  .post-grid { grid-template-columns: 1fr; }
  .cta-button, .cta-primary, .cta-footer-btn {
    width: 100%; min-height: 48px; display: flex; align-items: center; justify-content: center;
  }
  .hero-content { text-align: center; }
  .blog-post { padding: var(--space-lg) 12px; }
  .back-to-top { bottom: 74px; }
  .promo-card img { max-width: 100%; }
}

/* PageSpeed: content-visibility for below-fold sections */
.content-section, .faq-section, .related-articles, .site-footer {
  content-visibility: auto;
  contain-intrinsic-size: auto 500px;
}
/* Ensure images have proper aspect ratios to prevent CLS */
img { aspect-ratio: attr(width) / attr(height); }
.hero-img { aspect-ratio: 1200 / 500; }
.section-image img { aspect-ratio: 600 / 400; }
.promo-card img { aspect-ratio: 800 / 400; }
.featured-image img { aspect-ratio: 800 / 450; }
.post-card-image img { aspect-ratio: 16 / 9; }