/* ============================================
   ONLINE BLACKJACK AUSTRALIA - Main Stylesheet
   Modern, mobile-first, SEO-optimised design
   ============================================ */

/* --- CSS Custom Properties --- */
:root {
  --clr-primary: #1a5c2e;
  --clr-primary-dark: #0f3d1d;
  --clr-primary-light: #2d8a47;
  --clr-accent: #d4af37;
  --clr-accent-light: #e8cc6e;
  --clr-accent-dark: #b8941e;
  --clr-bg: #0d1117;
  --clr-bg-card: #161b22;
  --clr-bg-card-alt: #1c2333;
  --clr-bg-highlight: #1f2937;
  --clr-text: #e6edf3;
  --clr-text-muted: #8b949e;
  --clr-text-light: #c9d1d9;
  --clr-border: #30363d;
  --clr-success: #3fb950;
  --clr-warning: #d29922;
  --clr-danger: #f85149;
  --clr-info: #58a6ff;
  --clr-star: #f0c040;
  --radius: 8px;
  --radius-lg: 12px;
  --shadow: 0 2px 8px rgba(0,0,0,.3);
  --shadow-lg: 0 8px 24px rgba(0,0,0,.4);
  --transition: .25s ease;
  --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-heading: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --max-width: 1200px;
}

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-main);
  background: var(--clr-bg);
  color: var(--clr-text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--clr-accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--clr-accent-light); }
ul, ol { list-style: none; }
table { border-collapse: collapse; width: 100%; }

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.25;
  color: #fff;
}
h1 { font-size: clamp(1.8rem, 4vw, 2.8rem); margin-bottom: 1rem; }
h2 { font-size: clamp(1.4rem, 3vw, 2rem); margin-bottom: .75rem; margin-top: 2.5rem; }
h3 { font-size: clamp(1.15rem, 2.5vw, 1.5rem); margin-bottom: .5rem; margin-top: 1.5rem; }
h4 { font-size: 1.1rem; margin-bottom: .4rem; }
p { margin-bottom: 1rem; color: var(--clr-text-light); }
strong { color: #fff; }

/* --- Layout --- */
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 1.25rem; }
.section { padding: 3rem 0; }
.section-alt { background: var(--clr-bg-card); }
.grid-2 { display: grid; grid-template-columns: 1fr; gap: 1.5rem; }
.grid-3 { display: grid; grid-template-columns: 1fr; gap: 1.5rem; }
@media (min-width: 768px) {
  .grid-2 { grid-template-columns: 1fr 1fr; }
  .grid-3 { grid-template-columns: 1fr 1fr 1fr; }
}

/* --- Header / Navigation --- */
.site-header {
  background: linear-gradient(180deg, #0a0f15 0%, var(--clr-bg) 100%);
  border-bottom: 1px solid var(--clr-border);
  position: sticky;
  top: 0;
  z-index: 1000;
}
.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: .75rem 0;
}
.logo {
  display: flex;
  align-items: center;
  gap: .5rem;
  font-size: 1.25rem;
  font-weight: 800;
  color: #fff;
  text-decoration: none;
}
.logo .accent { color: var(--clr-accent); }
.logo .flag { font-size: 1.5rem; }
.nav-toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: .5rem;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--clr-text);
  transition: var(--transition);
}
.nav-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--clr-bg-card);
  border-bottom: 1px solid var(--clr-border);
  padding: 1rem;
  flex-direction: column;
  gap: .25rem;
}
.nav-menu.active { display: flex; }
.nav-menu a {
  color: var(--clr-text-light);
  padding: .5rem .75rem;
  border-radius: var(--radius);
  font-size: .9rem;
  font-weight: 500;
  transition: var(--transition);
}
.nav-menu a:hover,
.nav-menu a.active {
  background: var(--clr-bg-highlight);
  color: var(--clr-accent);
}
/* --- Nav Dropdown --- */
.nav-dropdown {
  position: relative;
}
.nav-dropdown > a::after {
  content: ' \25BE';
  font-size: .7em;
}
.nav-dropdown-menu {
  display: none;
  flex-direction: column;
  gap: 0;
  padding: .25rem 0;
}
.nav-menu.active .nav-dropdown-menu {
  display: flex;
}
.nav-dropdown-menu a {
  padding: .4rem 1.25rem .4rem 1.75rem;
  font-size: .82rem;
  color: var(--clr-text-muted);
}
.nav-dropdown-menu a:hover {
  color: var(--clr-accent);
  background: var(--clr-bg-highlight);
}

@media (min-width: 1024px) {
  .nav-toggle { display: none; }
  .nav-menu {
    display: flex;
    position: static;
    background: none;
    border: none;
    padding: 0;
    flex-direction: row;
    gap: 0;
    align-items: center;
  }
  .nav-dropdown {
    position: relative;
  }
  .nav-dropdown:hover .nav-dropdown-menu,
  .nav-dropdown:focus-within .nav-dropdown-menu {
    display: flex;
  }
  .nav-dropdown-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 220px;
    background: var(--clr-bg-card);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius);
    padding: .5rem 0;
    box-shadow: var(--shadow-lg);
    z-index: 1001;
  }
  .nav-dropdown-menu a {
    padding: .5rem 1rem;
    font-size: .85rem;
    white-space: nowrap;
  }
}

/* --- Hero --- */
.hero {
  background: linear-gradient(135deg, var(--clr-primary-dark) 0%, #0d1117 50%, #1a1a2e 100%);
  padding: 3rem 0 2.5rem;
  text-align: center;
  border-bottom: 2px solid var(--clr-accent-dark);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(ellipse at 30% 50%, rgba(26,92,46,.15) 0%, transparent 50%),
              radial-gradient(ellipse at 70% 50%, rgba(212,175,55,.08) 0%, transparent 50%);
  pointer-events: none;
}
.hero h1 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  position: relative;
}
.hero h1 .gold { color: var(--clr-accent); }
.hero .subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--clr-text-muted);
  margin-bottom: 1.5rem;
  position: relative;
}
.hero .meta {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  flex-wrap: wrap;
  margin-top: 1rem;
  position: relative;
}
.hero .meta span {
  font-size: .85rem;
  color: var(--clr-text-muted);
}

/* --- Breadcrumbs --- */
.breadcrumbs {
  padding: .75rem 0;
  font-size: .85rem;
  color: var(--clr-text-muted);
}
.breadcrumbs a { color: var(--clr-text-muted); }
.breadcrumbs a:hover { color: var(--clr-accent); }
.breadcrumbs span { margin: 0 .4rem; }

/* --- Cards --- */
.card {
  background: var(--clr-bg-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  transition: var(--transition);
}
.card:hover {
  border-color: var(--clr-accent-dark);
  box-shadow: var(--shadow);
}

/* --- Casino Listing Card --- */
.casino-card {
  background: var(--clr-bg-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  margin-bottom: 1.25rem;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  transition: var(--transition);
  position: relative;
}
.casino-card:hover { border-color: var(--clr-accent-dark); box-shadow: var(--shadow); }
.casino-card .rank {
  position: absolute;
  top: -8px;
  left: 16px;
  background: var(--clr-accent);
  color: #000;
  font-weight: 800;
  font-size: .8rem;
  padding: 2px 10px;
  border-radius: 4px;
}
.casino-card .badge-top {
  position: absolute;
  top: -8px;
  right: 16px;
  background: var(--clr-success);
  color: #000;
  font-weight: 700;
  font-size: .7rem;
  padding: 2px 8px;
  border-radius: 4px;
  text-transform: uppercase;
}
.casino-card .casino-name {
  font-size: 1.2rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: .25rem;
}
.casino-card .casino-bonus {
  color: var(--clr-accent);
  font-weight: 600;
  font-size: 1.05rem;
}
.casino-card .casino-details {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
}
.casino-card .detail-tag {
  background: var(--clr-bg-highlight);
  padding: 4px 10px;
  border-radius: 4px;
  font-size: .8rem;
  color: var(--clr-text-muted);
}
.casino-card .stars { color: var(--clr-star); letter-spacing: 2px; }
.casino-card .cta-group {
  display: flex;
  gap: .75rem;
  flex-wrap: wrap;
  align-items: center;
}
@media (min-width: 768px) {
  .casino-card {
    grid-template-columns: auto 1fr auto;
    align-items: center;
  }
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .65rem 1.5rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: .9rem;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  text-decoration: none;
}
.btn-primary {
  background: linear-gradient(135deg, var(--clr-accent), var(--clr-accent-dark));
  color: #000;
}
.btn-primary:hover { background: var(--clr-accent-light); color: #000; transform: translateY(-1px); }
.btn-secondary {
  background: transparent;
  border: 1px solid var(--clr-border);
  color: var(--clr-text-light);
}
.btn-secondary:hover { border-color: var(--clr-accent); color: var(--clr-accent); }
.btn-success { background: var(--clr-success); color: #000; }
.btn-sm { padding: .4rem 1rem; font-size: .8rem; }

/* --- Tables --- */
.table-wrap { overflow-x: auto; margin: 1.5rem 0; border-radius: var(--radius-lg); }
.data-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--clr-bg-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.data-table th {
  background: var(--clr-bg-highlight);
  padding: .75rem 1rem;
  text-align: left;
  font-size: .85rem;
  font-weight: 600;
  color: var(--clr-accent);
  white-space: nowrap;
  border-bottom: 2px solid var(--clr-accent-dark);
}
.data-table td {
  padding: .75rem 1rem;
  border-bottom: 1px solid var(--clr-border);
  font-size: .9rem;
  color: var(--clr-text-light);
}
.data-table tr:hover td { background: rgba(212,175,55,.03); }
.data-table .highlight-row td { background: rgba(63,185,80,.05); }

/* --- Strategy Chart --- */
.strategy-chart {
  display: grid;
  gap: 0;
  font-size: .75rem;
  font-weight: 600;
  text-align: center;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--clr-border);
  margin: 1.5rem 0;
}
.strategy-chart .cell {
  padding: 6px 4px;
  border: 1px solid rgba(255,255,255,.1);
}
.strategy-chart .header-cell {
  background: var(--clr-bg-highlight);
  color: var(--clr-accent);
  font-weight: 700;
}
.cell-hit { background: #dc2626; color: #fff; }
.cell-stand { background: #16a34a; color: #fff; }
.cell-double { background: #ca8a04; color: #fff; }
.cell-split { background: #2563eb; color: #fff; }
.cell-surrender { background: #7c3aed; color: #fff; }

/* --- FAQ Accordion --- */
.faq-item {
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  margin-bottom: .75rem;
  overflow: hidden;
}
.faq-question {
  width: 100%;
  background: var(--clr-bg-card);
  border: none;
  padding: 1rem 1.25rem;
  text-align: left;
  color: #fff;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--transition);
}
.faq-question:hover { background: var(--clr-bg-highlight); }
.faq-question::after {
  content: '+';
  font-size: 1.4rem;
  color: var(--clr-accent);
  transition: var(--transition);
  flex-shrink: 0;
  margin-left: 1rem;
}
.faq-item.active .faq-question::after { content: '\2212'; }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .3s ease;
  background: var(--clr-bg-card-alt);
}
.faq-answer-inner { padding: 1rem 1.25rem; }
.faq-item.active .faq-answer { max-height: 600px; }

/* --- Pros/Cons --- */
.pros-cons { display: grid; grid-template-columns: 1fr; gap: 1rem; margin: 1.5rem 0; }
@media (min-width: 600px) { .pros-cons { grid-template-columns: 1fr 1fr; } }
.pros, .cons { padding: 1.25rem; border-radius: var(--radius); }
.pros { background: rgba(63,185,80,.08); border: 1px solid rgba(63,185,80,.25); }
.cons { background: rgba(248,81,73,.08); border: 1px solid rgba(248,81,73,.25); }
.pros h4 { color: var(--clr-success); margin-bottom: .75rem; }
.cons h4 { color: var(--clr-danger); margin-bottom: .75rem; }
.pros li, .cons li {
  padding: .3rem 0 .3rem 1.25rem;
  position: relative;
  font-size: .9rem;
  color: var(--clr-text-light);
}
.pros li::before { content: '\2713'; position: absolute; left: 0; color: var(--clr-success); font-weight: 700; }
.cons li::before { content: '\2717'; position: absolute; left: 0; color: var(--clr-danger); font-weight: 700; }

/* --- Info Boxes --- */
.info-box {
  background: var(--clr-bg-card-alt);
  border-left: 4px solid var(--clr-info);
  padding: 1.25rem;
  border-radius: 0 var(--radius) var(--radius) 0;
  margin: 1.5rem 0;
}
.info-box.warning { border-left-color: var(--clr-warning); }
.info-box.success { border-left-color: var(--clr-success); }
.info-box.danger { border-left-color: var(--clr-danger); }
.info-box h4 { margin-bottom: .5rem; }

/* --- Rating Badge --- */
.rating-badge {
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  background: var(--clr-bg-highlight);
  padding: 4px 10px;
  border-radius: 20px;
  font-size: .85rem;
  font-weight: 700;
}
.rating-badge.excellent { color: var(--clr-success); border: 1px solid var(--clr-success); }
.rating-badge.good { color: var(--clr-accent); border: 1px solid var(--clr-accent); }
.rating-badge.average { color: var(--clr-warning); border: 1px solid var(--clr-warning); }
.rating-badge.poor { color: var(--clr-danger); border: 1px solid var(--clr-danger); }

/* --- Table of Contents --- */
.toc {
  background: var(--clr-bg-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  margin: 1.5rem 0;
}
.toc h3 { font-size: 1rem; margin-bottom: .75rem; color: var(--clr-accent); }
.toc ol { counter-reset: toc; padding-left: 0; }
.toc li {
  counter-increment: toc;
  padding: .35rem 0;
  border-bottom: 1px solid var(--clr-border);
}
.toc li:last-child { border-bottom: none; }
.toc li::before {
  content: counter(toc) ". ";
  color: var(--clr-accent);
  font-weight: 600;
}
.toc a { color: var(--clr-text-light); font-size: .9rem; }
.toc a:hover { color: var(--clr-accent); }

/* --- Footer --- */
.site-footer {
  background: #080c12;
  border-top: 1px solid var(--clr-border);
  padding: 3rem 0 1.5rem;
  margin-top: 3rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}
@media (min-width: 768px) { .footer-grid { grid-template-columns: 2fr 1fr 1fr 1fr; } }
.footer-col h4 {
  color: var(--clr-accent);
  margin-bottom: 1rem;
  font-size: .9rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}
.footer-col a {
  display: block;
  color: var(--clr-text-muted);
  font-size: .85rem;
  padding: .25rem 0;
}
.footer-col a:hover { color: var(--clr-accent); }
.footer-col p { font-size: .85rem; color: var(--clr-text-muted); }
.footer-bottom {
  border-top: 1px solid var(--clr-border);
  padding-top: 1.5rem;
  text-align: center;
}
.footer-bottom p { font-size: .8rem; color: var(--clr-text-muted); margin-bottom: .5rem; }
.responsible-banner {
  background: rgba(212,175,55,.05);
  border: 1px solid var(--clr-accent-dark);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  margin-bottom: 1.5rem;
  text-align: center;
  font-size: .85rem;
  color: var(--clr-text-muted);
}
.responsible-banner strong { color: var(--clr-accent); }

/* --- Utility Classes --- */
.text-center { text-align: center; }
.text-accent { color: var(--clr-accent); }
.text-muted { color: var(--clr-text-muted); }
.text-success { color: var(--clr-success); }
.text-danger { color: var(--clr-danger); }
.mt-1 { margin-top: .5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-1 { margin-bottom: .5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

/* --- Responsive --- */
@media (max-width: 767px) {
  .section { padding: 2rem 0; }
  .hero { padding: 2rem 0 1.5rem; }
  .casino-card { padding: 1.25rem; }
}

/* --- Print --- */
@media print {
  .site-header, .site-footer, .nav-toggle, .btn { display: none; }
  body { background: #fff; color: #000; }
  .card, .casino-card { border: 1px solid #ccc; }
}

/* --- Animations --- */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
.fade-in { animation: fadeInUp .5s ease forwards; }

/* --- Checklist Styles --- */
.checklist li {
  padding: .4rem 0 .4rem 1.5rem;
  position: relative;
  color: var(--clr-text-light);
}
.checklist li::before {
  content: '\2713';
  position: absolute;
  left: 0;
  color: var(--clr-success);
  font-weight: 700;
}

/* --- Step Numbers --- */
.steps { counter-reset: steps; }
.step {
  counter-increment: steps;
  padding: 1.25rem;
  padding-left: 3.5rem;
  position: relative;
  border-left: 2px solid var(--clr-border);
  margin-bottom: 1rem;
}
.step::before {
  content: counter(steps);
  position: absolute;
  left: -14px;
  top: 1.25rem;
  width: 28px;
  height: 28px;
  background: var(--clr-accent);
  color: #000;
  font-weight: 800;
  font-size: .85rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* --- Tags / Badges --- */
.tag {
  display: inline-block;
  padding: 3px 8px;
  border-radius: 4px;
  font-size: .75rem;
  font-weight: 600;
}
.tag-green { background: rgba(63,185,80,.15); color: var(--clr-success); }
.tag-gold { background: rgba(212,175,55,.15); color: var(--clr-accent); }
.tag-blue { background: rgba(88,166,255,.15); color: var(--clr-info); }
.tag-red { background: rgba(248,81,73,.15); color: var(--clr-danger); }

/* --- Comparison Highlight --- */
.vs-table td:first-child { font-weight: 600; color: #fff; }
.vs-table .winner { color: var(--clr-success); font-weight: 700; }