/*
  Bruce Bet Casino – Dark Theme Styles
  - Header color: #313131; Background: #242424
  - Fully responsive layout (mobile first)
  - Detailed comments per block/component
*/

/* Root variables (dark theme) */
:root {
  --color-bg: #242424;
  --color-header: #313131;
  --color-surface: #2d2d2d;
  --color-text: #f3f3f3;
  --color-muted: #bdbdbd;
  --color-primary: #32d296; /* emerald-ish accent */
  --color-primary-contrast: #0e362a;
  --color-border: #3a3a3a;
  --color-overlay: rgba(0, 0, 0, 0.55);

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;

  --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.35);
  --container: 1200px;
}

/* Base reset and typography */
* { box-sizing: border-box; }
html, body { height: 100%; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, Noto Sans, "Apple Color Emoji", "Segoe UI Emoji";
  line-height: 1.6;
  overflow-x: hidden; /* prevent horizontal scroll (mobile screen fix) */
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
p { margin: 0 0 1rem; }
h1, h2, h3 { line-height: 1.25; margin: 2rem 0 1rem; }
h1 { font-size: 2rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.25rem; }

/* Utilities */
.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 16px; }
.visually-hidden { position: absolute !important; height: 1px; width: 1px; overflow: hidden; clip: rect(1px, 1px, 1px, 1px); white-space: nowrap; }
.skip-to-content { position: absolute; left: -9999px; top: -9999px; background: var(--color-primary); color: #000; padding: 8px 12px; border-radius: var(--radius-sm); }
.skip-to-content:focus { left: 12px; top: 12px; z-index: 10000; }

/* Header */
.site-header { position: sticky; top: 0; z-index: 100; background: var(--color-header); box-shadow: 0 1px 0 var(--color-border); }
.header__inner { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 12px 16px; }
.brand img { height: 40px; width: auto; }
.main-nav__list { list-style: none; display: flex; gap: 8px; margin: 0; padding: 0; }

/* Breadcrumbs */
.breadcrumbs { background: var(--color-surface); border-top: 1px solid var(--color-border); border-bottom: 1px solid var(--color-border); }
.breadcrumbs__list { list-style: none; margin: 0; padding: 8px 16px; display: flex; gap: 8px; align-items: center; overflow-x: auto; }
.breadcrumbs__item { color: var(--color-muted); white-space: nowrap; }
.breadcrumbs__item a { color: var(--color-text); text-decoration: underline; }
.breadcrumbs__item[aria-current="page"] { color: var(--color-text); }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 10px 16px; border-radius: var(--radius-sm); border: 1px solid transparent; transition: transform .1s ease, background-color .2s ease, border-color .2s ease, color .2s ease; font-weight: 600; }
.btn:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 2px; }
.btn--primary { background: var(--color-primary); color: #0a0a0a; border-color: var(--color-primary); }
.btn--primary:hover { background: #48e0aa; }
.btn--ghost { background: transparent; color: var(--color-text); border-color: var(--color-border); }
.btn--ghost:hover { background: #2a2a2a; }
.btn--lg { padding: 12px 20px; font-size: 1.0625rem; }

/* Hero/Banner */
.hero { position: relative; isolation: isolate; }
.hero picture, .hero img { width: 100%; height: auto; display: block; }
.hero img { aspect-ratio: 16 / 6; object-fit: cover; }
@media (max-width: 767.98px) { .hero img { aspect-ratio: 9 / 16; } }
.hero__overlay { position: absolute; inset: 0; display: grid; place-items: center; padding: 16px; z-index: 1; }
.hero__overlay > * { max-width: 780px; text-align: center; }
.hero__title { margin: 0 0 8px; font-size: clamp(1.5rem, 2.5vw, 2.25rem); }
.hero__subtitle { color: var(--color-muted); margin-bottom: 16px; }
.hero__actions { display: flex; gap: 10px; flex-wrap: wrap; justify-content: center; }

/* Semi-transparent centered panel wrapping CTA content */
.hero__panel { width: min(92%, 840px); background: var(--color-overlay); border-radius: var(--radius-lg); box-shadow: var(--shadow-md); padding: 20px; }

/* Slots Grid */
.slots { padding: 32px 0; }
.slots__grid { margin: 16px 0 0; padding: 0; list-style: none; display: grid; gap: 12px; grid-template-columns: repeat(2, minmax(0, 1fr)); }
@media (min-width: 480px) { .slots__grid { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (min-width: 900px) { .slots__grid { grid-template-columns: repeat(6, minmax(0, 1fr)); } }
.slots__card { display: block; background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-md); padding: 10px; transition: transform .12s ease, background-color .2s ease; }
.slots__card:hover { transform: translateY(-2px); background: #303030; }
.slots__card img { width: 100%; height: 100%; object-fit: contain; aspect-ratio: 1 / 1; }

/* Content area */
.main { padding: 24px 0 48px; }
.content p { color: #e5e5e5; }
.content ul, .content ol { padding-left: 18px; }
.content li { margin: 6px 0; }

/* Tables
   - Desktop: standard table layout
   - Mobile: stacked rows with labels via data-label attribute
*/
.table-wrap { margin: 16px 0 24px; background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-md); overflow: hidden; }
.table { width: 100%; border-collapse: collapse; }
.table thead { background: #2a2a2a; }
.table th, .table td { padding: 12px; text-align: left; border-bottom: 1px solid var(--color-border); vertical-align: top; }
.table tr:last-child td { border-bottom: none; }
.table--kv th:first-child, .table--kv td:first-child { width: 38%; }
.table caption { padding: 12px; color: var(--color-muted); text-align: left; }

/* Mobile stacking */
@media (max-width: 699.98px) {
  .table thead { display: none; }
  .table tr { display: grid; grid-template-columns: 1fr; border-bottom: 1px solid var(--color-border); }
  .table td { display: grid; grid-template-columns: max-content 1fr; gap: 8px; align-items: start; padding: 10px 12px; }
  .table td::before { content: attr(data-label); color: var(--color-muted); }
}

/* Footer */
.site-footer { border-top: 1px solid var(--color-border); background: #202020; }
.footer__inner { padding: 24px 16px; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px; }
.footer__links { list-style: none; margin: 0; padding: 0; display: flex; gap: 12px; }
.footer__links a { color: var(--color-muted); text-decoration: underline; }
.footer__links a:hover { color: var(--color-text); }

/* Payments strip in footer */
.payments { width: 100%; }
.payments__list { list-style: none; margin: 12px 0 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(90px, 1fr)); gap: 10px; align-items: center; }
.payments__list li { display: flex; align-items: center; justify-content: center; background: #1b1b1b; border: 1px solid var(--color-border); border-radius: var(--radius-sm); padding: 8px; }
.payments__list img { height: 28px; width: auto; object-fit: contain; filter: none; }
@media (min-width: 768px) { .payments__list img { height: 32px; } }

/* Accessibility focus states */
a:focus-visible, button:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 2px; }

/* Global background particles layer */
#particles-bg { position: fixed; inset: 0; z-index: 0; pointer-events: none; }

/* Ensure content stacks above background */
.site-header, .hero, .slots, .main, .site-footer { position: relative; z-index: 1; }