/*
  Xon Bet Casino — Global Styles
  Theme: Dark, primary base #0e1b3b
  Accessibility: High-contrast text, focus outlines, prefers-reduced-motion
  Layout: Responsive container, sticky header, mobile-first tables
*/

/* CSS Reset (modern minimal) */
*, *::before, *::after { box-sizing: border-box; }
html { height: 100%; }
body { margin: 0; min-height: 100%; }
img { max-width: 100%; height: auto; display: block; }
picture { display: block; }
ul, ol { padding-left: 1.25rem; }
table { border-collapse: collapse; width: 100%; }

/* Typography & Theme */
:root {
  --color-bg: #0e1b3b; /* Dark base per requirement */
  --color-bg-elev: #132553; /* Slightly lighter card/nav */
  --color-text: #e6ecff; /* High contrast text */
  --color-text-dim: #b8c4ff; /* Secondary text */
  --color-primary: #4aa3ff; /* Accent for CTAs */
  --color-secondary: #6fe3ff; /* Secondary CTA */
  --color-border: #243e77; /* Borders */
  --radius: 10px;
  --shadow: 0 6px 20px rgba(0,0,0,0.35);
}

body {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans, sans-serif;
  line-height: 1.6;
  -webkit-text-size-adjust: 100%; /* avoid iOS zoom/font inflation */
}

/* Lock viewport scroll bounce on mobile and suggest portrait use */
@media (max-width: 767px) {
  html, body { overscroll-behavior-y: none; }
}

/* Skip link for keyboard users */
.skip-link {
  position: absolute; left: -9999px; top: 0;
  background: #000; color: #fff; padding: 8px 12px; z-index: 1000;
}
.skip-link:focus { left: 8px; top: 8px; border-radius: 6px; }

/* Container layout */
.container {
  width: min(1200px, 92%);
  margin-inline: auto;
}

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: linear-gradient(180deg, rgba(14,27,59,0.98), rgba(14,27,59,0.85));
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--color-border);
}
.header-inner {
  display: flex; align-items: center; gap: 16px;
  padding: 12px 0;
}
.brand img { display: block; }
.primary-nav .nav-list { display: flex; gap: 16px; list-style: none; margin: 0; padding: 0; }
.primary-nav a { color: var(--color-text-dim); text-decoration: none; font-weight: 600; }
.primary-nav a:hover, .primary-nav a:focus { color: var(--color-text); }
.header-ctas { margin-left: auto; display: flex; gap: 10px; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 10px 16px; border-radius: 999px; text-decoration: none; font-weight: 700;
  border: 1px solid transparent; transition: transform .08s ease, filter .2s ease, background .2s ease;
}
.btn:focus { outline: 2px solid #fff; outline-offset: 2px; }
.btn:active { transform: translateY(1px) scale(0.99); }
.btn--primary { background: var(--color-primary); color: #06224f; border-color: #3a86d1; }
.btn--secondary { background: var(--color-secondary); color: #08324b; border-color: #48c7df; }
.btn--ghost { background: transparent; border-color: var(--color-border); color: var(--color-text); }
.btn--lg { padding: 14px 22px; font-size: 1.05rem; }

/* Hero */
.hero { position: relative; }
.hero::after { /* Dark overlay to boost CTA contrast */
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(6,16,40,0.55) 0%, rgba(14,27,59,0.65) 40%, rgba(14,27,59,0.85) 100%);
  pointer-events: none;
}
.hero img { width: 100%; height: auto; object-fit: cover; }
.hero-content {
  position: relative; margin-top: -22vw; /* overlay on banner on mobile */
  padding-bottom: 24px; z-index: 1; /* ensure above overlay */
}
.hero .lead { color: var(--color-text-dim); max-width: 65ch; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 10px; }

@media (min-width: 768px) {
  .hero-content { margin-top: -220px; padding-bottom: 40px; }
}

/* Sections */
.section { padding: 32px 0; }
.section--cta { background: var(--color-bg-elev); border-top: 1px solid var(--color-border); border-bottom: 1px solid var(--color-border); }
.lead { font-size: 1.1rem; }

h1, h2, h3 { line-height: 1.25; }
h1 { font-size: clamp(1.6rem, 2.5vw + 1rem, 2.4rem); margin: 0.5rem 0; }
h2 { font-size: clamp(1.3rem, 1.6vw + 1rem, 1.8rem); margin: 0.75rem 0; }
h3 { font-size: 1.1rem; margin: 0.75rem 0; color: var(--color-text); }
p { color: var(--color-text); }
ul li, ol li { margin: 0.3rem 0; }

/* Tables: desktop default */
.table-wrap { margin: 18px 0; background: rgba(19,37,83,0.6); border: 1px solid var(--color-border); border-radius: var(--radius); box-shadow: var(--shadow); }
.table-wrap > figcaption { padding: 12px 14px; color: var(--color-text-dim); font-weight: 600; border-bottom: 1px solid var(--color-border); }
.table { width: 100%; }
.table thead th { text-align: left; padding: 12px 14px; color: var(--color-text-dim); font-weight: 700; background: rgba(36,62,119,0.35); }
.table tbody td { padding: 12px 14px; border-top: 1px solid var(--color-border); }
.table tbody tr:nth-child(odd) td { background: rgba(36,62,119,0.12); }

/* Accessible responsive table — stacked layout on small screens */
@media (max-width: 767px) {
  .table thead { display: none; }
  .table tbody, .table tr, .table td { display: block; width: 100%; }
  .table tbody tr { border-top: 1px solid var(--color-border); padding: 8px 0; }
  .table { font-size: 0.95rem; }
  .table tbody td { border: 0; padding: 8px 10px; word-break: break-word; overflow-wrap: anywhere; hyphens: auto; }
  .table tbody td::before {
    content: attr(data-label);
    display: block; font-size: 0.85rem; color: var(--color-text-dim); margin-bottom: 2px;
  }
}

/* Mobile hero: overlay CTA centered within the banner */
@media (max-width: 767px) {
  .hero { position: relative; }
  .hero-content {
    position: absolute; inset: 0; margin-top: 0; padding: 16px;
    z-index: 1; display: flex; flex-direction: column; align-items: center; justify-content: center;
    text-align: center;
  }
  .hero .lead { margin-left: auto; margin-right: auto; }
}

/* Footer */
.site-footer { border-top: 1px solid var(--color-border); background: rgba(6,16,40,0.6); }
.footer-inner { display: grid; gap: 16px; align-items: center; padding: 18px 0; grid-template-columns: 1fr; }
.payments { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.footer-nav ul { list-style: none; padding: 0; margin: 0; display: flex; gap: 12px; }
.footer-nav a { color: var(--color-text-dim); text-decoration: none; }
.footer-nav a:hover { color: var(--color-text); }

@media (min-width: 768px) {
  .footer-inner { grid-template-columns: 1fr auto auto; }
}

/* Utilities */
.visually-hidden { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 1px, 1px); white-space: nowrap; border: 0; }

/* Focus states */
a:focus-visible, button:focus-visible, .btn:focus-visible { outline: 2px solid #fff; outline-offset: 2px; }

/* Motion reduction */
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; scroll-behavior: auto !important; }
}

/* Mobile header layout: logo left, CTAs right (above bonuses/nav), nav below */
@media (max-width: 767px) {
  .hero-actions { justify-content: center; }
  .header-inner { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 10px; padding: 6px 0; }
  .brand { grid-column: 1 / 2; justify-self: start; }
  .brand img { max-height: 26px; width: auto; height: auto; }
  .header-ctas { grid-column: 3 / 4; margin-left: 0; margin-top: 0; display: flex; gap: 8px; justify-self: end; align-self: center; order: 1; }
  .header-ctas .btn { padding: 7px 12px; font-size: 0.9rem; }
  .primary-nav { grid-column: 1 / -1; order: 2; }
  .primary-nav .nav-list { flex-wrap: wrap; justify-content: center; gap: 12px; }
}

/* Popular Slots grid */
.slots { background: rgba(19,37,83,0.4); border-top: 1px solid var(--color-border); border-bottom: 1px solid var(--color-border); }
.slots-grid { display: grid; gap: 12px; grid-template-columns: repeat(2, 1fr); }
@media (min-width: 600px) { .slots-grid { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 900px) { .slots-grid { grid-template-columns: repeat(6, 1fr); } }
.slot-card { position: relative; background: #0b1734; border: 1px solid var(--color-border); border-radius: 12px; overflow: hidden; box-shadow: var(--shadow); transition: transform .2s ease, box-shadow .2s ease; }
.slot-card img { width: 100%; height: auto; display: block; aspect-ratio: 4 / 3; object-fit: cover; transition: transform .25s ease, filter .25s ease; will-change: transform; }
.slot-card::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(8,18,40,0) 40%, rgba(8,18,40,0.75)); opacity: 0; transition: opacity .2s ease; }
.slot-card:hover::after, .slot-card:focus-within::after { opacity: 1; }
.slot-card:hover, .slot-card:focus-within { transform: translateY(-3px); box-shadow: 0 10px 28px rgba(0,0,0,0.45); }
.slot-card:hover img, .slot-card:focus-within img { transform: scale(1.06); filter: saturate(1.12) brightness(1.03); }
.slot-card a { position: static; display: block; text-indent: 0; }