/* ============================================================
   AC Syndicate — Casino Zonder CRUKS research
   Look: pure monochrome minimalism. Near black/white, a single
   restrained accent for interactive states only, all sans-serif,
   hairline rules, generous whitespace, flat (no shadows/gradients/
   animations). Change --accent to recolor every link / CTA / active
   state in one place.
   ============================================================ */

:root {
  --ink: #05444f; /* primary text */
  --ink-soft: #3a3a40; /* body copy */
  --muted: #74747c; /* secondary text */
  --paper: #fef9f4; /* page background */
  --panel: #fafafa; /* subtle raised surface */
  --line: #e7e7e9; /* hairline */
  --line-strong: #d3d3d6; /* stronger hairline */
  --accent: #eb9120; /* the single restrained accent */

  --radius: 4px;
  --measure: 68ch;
  --sans:
    "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial,
    sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}
* {
  margin: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 90px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--sans);
  color: var(--ink-soft);
  background: var(--paper);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img,
svg {
  max-width: 100%;
  display: block;
}

a {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-color: var(--line-strong);
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
  transition:
    color 0.15s ease,
    text-decoration-color 0.15s ease;
}
a:hover {
  color: var(--accent);
  text-decoration-color: currentColor;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.container {
  width: min(1120px, calc(100% - 48px));
  margin: 0 auto;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 10px;
  background: var(--ink);
  color: #fff;
  padding: 10px 16px;
  z-index: 1000;
  border-radius: var(--radius);
  text-decoration: none;
}
.skip-link:focus {
  left: 12px;
}

/* ---- Header ------------------------------------------------ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 72px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  text-decoration: none;
}
.brand-mark {
  width: 38px;
  height: 38px;
  border-radius: var(--radius);
  background: var(--ink);
  display: grid;
  place-items: center;
  color: #fff;
  font-weight: 700;
  font-size: 15px;
  letter-spacing: -0.01em;
}
.brand-logo {
  width: 100%;
  height: 44px;
  border-radius: var(--radius);
  display: block;
  object-fit: contain;
}
.brand-text {
  font-weight: 600;
  font-size: 17px;
  letter-spacing: -0.01em;
  line-height: 1.1;
  display: none;
}
.brand-text small {
  display: block;
  color: var(--muted);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 500;
  margin-top: 3px;
}

.nav-toggle {
  display: none;
  border: 1px solid var(--line-strong);
  background: #fff;
  border-radius: var(--radius);
  padding: 9px 14px;
  font-family: inherit;
  font-weight: 500;
  font-size: 14px;
  color: var(--ink);
  cursor: pointer;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  justify-content: flex-end;
}
.main-nav a {
  text-decoration: none;
  color: var(--muted);
  font-size: 15px;
  font-weight: 500;
  padding: 8px 10px;
  border-radius: var(--radius);
  transition: color 0.15s ease;
}
.main-nav a:hover {
  color: var(--ink);
}
.main-nav a[aria-current="page"] {
  color: var(--ink);
}

/* ---- Disclaimer bar --------------------------------------- */
.disclaimer-bar {
  background: var(--panel);
  color: var(--muted);
  border-bottom: 1px solid var(--line);
  font-size: 13px;
  line-height: 1.5;
}
.disclaimer-bar .container {
  display: flex;
  gap: 12px;
  align-items: center;
  padding: 9px 0;
}
.age-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 38px;
  height: 24px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 12px;
  color: var(--ink);
}

/* ---- Hero (single column, active monochrome background) --- */
.hero {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  border-bottom: 1px solid var(--line);
  background: var(--paper);
  padding: clamp(56px, 9vw, 104px) 0 clamp(48px, 7vw, 84px);
}

/* Layer 1: slowly panning hairline grid, faded toward the edges */
.hero::before {
  content: "";
  position: absolute;
  inset: -2px;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, var(--line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line) 1px, transparent 1px);
  background-size: 46px 46px;
  -webkit-mask-image: radial-gradient(
    130% 120% at 30% 0%,
    #000 38%,
    transparent 76%
  );
  mask-image: radial-gradient(130% 120% at 30% 0%, #000 38%, transparent 76%);
  animation: heroGridPan 32s linear infinite;
}

/* Layer 2: soft drifting glow — mostly neutral, a whisper of accent */
.hero::after {
  content: "";
  position: absolute;
  inset: -25%;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(
      closest-side at 28% 32%,
      rgba(181, 36, 31, 0.07),
      transparent 70%
    ),
    radial-gradient(
      closest-side at 74% 58%,
      rgba(23, 23, 26, 0.06),
      transparent 70%
    );
  filter: blur(6px);
  animation: heroGlow 22s ease-in-out infinite;
}

.hero-inner {
  position: relative;
  z-index: 1;
  max-width: 46rem;
}

@keyframes heroGridPan {
  from {
    background-position:
      0 0,
      0 0;
  }
  to {
    background-position:
      46px 46px,
      46px 46px;
  }
}
@keyframes heroGlow {
  0%,
  100% {
    transform: translate3d(-5%, -3%, 0) scale(1);
  }
  50% {
    transform: translate3d(5%, 3%, 0) scale(1.12);
  }
}

/* Floating casino suits — the casino elements in the hero background */
.hero-suits {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}
.hero-suits .suit {
  position: absolute;
  line-height: 1;
  color: var(--ink);
  opacity: 0.05;
  user-select: none;
  will-change: transform;
  animation: suitFloat 18s ease-in-out infinite;
}
.hero-suits .s2,
.hero-suits .s3,
.hero-suits .s6 {
  color: var(--accent);
  opacity: 0.06;
} /* red suits get the whisper of accent */
.hero-suits .s1 {
  top: 12%;
  left: 4%;
  font-size: clamp(70px, 11vw, 130px);
  animation-duration: 19s;
}
.hero-suits .s2 {
  top: 20%;
  right: 8%;
  font-size: clamp(48px, 7vw, 88px);
  animation-duration: 15s;
  animation-delay: -3s;
}
.hero-suits .s3 {
  bottom: 8%;
  left: 14%;
  font-size: clamp(80px, 13vw, 155px);
  animation-duration: 23s;
  animation-delay: -6s;
}
.hero-suits .s4 {
  bottom: 14%;
  right: 12%;
  font-size: clamp(56px, 9vw, 110px);
  animation-duration: 17s;
  animation-delay: -2s;
}
.hero-suits .s5 {
  top: 46%;
  left: 44%;
  font-size: clamp(40px, 5vw, 66px);
  animation-duration: 21s;
  animation-delay: -9s;
}
.hero-suits .s6 {
  top: 6%;
  right: 34%;
  font-size: clamp(40px, 5vw, 72px);
  animation-duration: 20s;
  animation-delay: -5s;
}
.hero-suits .s7 {
  bottom: 30%;
  right: 40%;
  font-size: clamp(34px, 4vw, 58px);
  animation-duration: 22s;
  animation-delay: -7s;
}

@keyframes suitFloat {
  0%,
  100% {
    transform: translateY(0) rotate(-8deg);
  }
  50% {
    transform: translateY(-24px) rotate(6deg);
  }
}
@media (max-width: 640px) {
  .hero-suits .s5,
  .hero-suits .s7 {
    display: none;
  } /* declutter on small screens */
}
.eyebrow {
  display: inline-block;
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin: 0 0 22px;
}
.hero h1 {
  font-weight: 700;
  font-size: clamp(34px, 5.5vw, 56px);
  line-height: 1.08;
  letter-spacing: -0.025em;
  color: var(--ink);
  margin: 0 0 22px;
  max-width: 18ch;
}
.hero p {
  font-size: clamp(17px, 1.5vw, 20px);
  color: var(--muted);
  margin: 0 0 32px;
  max-width: 56ch;
}
.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: center;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--ink);
  color: #fff;
  text-decoration: none;
  border: 1px solid var(--ink);
  border-radius: var(--radius);
  padding: 12px 22px;
  font-family: inherit;
  font-weight: 500;
  font-size: 15px;
  transition:
    background 0.15s ease,
    border-color 0.15s ease,
    color 0.15s ease;
}
.button:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}
.button.secondary {
  background: transparent;
  color: var(--ink);
  border-color: var(--line-strong);
}
.button.secondary:hover {
  background: transparent;
  color: var(--accent);
  border-color: var(--accent);
}

/* Hero image intentionally removed from markup */
.hero-card {
  display: none;
}

/* ---- Page head (default template) ------------------------- */
.page-head {
  padding: clamp(48px, 7vw, 84px) 0 28px;
  border-bottom: 1px solid var(--line);
}
.page-head .kicker {
  color: var(--muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 12px;
}
.page-head h1 {
  font-weight: 700;
  font-size: clamp(30px, 4.5vw, 48px);
  line-height: 1.1;
  letter-spacing: -0.025em;
  color: var(--ink);
  margin: 14px 0 16px;
  max-width: 22ch;
}
.page-head p {
  max-width: 60ch;
  color: var(--muted);
  font-size: 19px;
  margin: 0;
}

/* ---- Layout ----------------------------------------------- */
.layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 64px;
  align-items: start;
  padding: clamp(40px, 6vw, 72px) 0 88px;
}
.layout.default {
  grid-template-columns: minmax(0, var(--measure));
  justify-content: center;
}

/* ---- Article ---------------------------------------------- */
.article {
  min-width: 0;
  max-width: var(--measure);
}
.article p {
  margin: 0 0 22px;
}
.article h2 {
  font-weight: 700;
  font-size: clamp(24px, 3vw, 32px);
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin: 52px 0 16px;
}
.article h3 {
  font-weight: 600;
  font-size: 20px;
  line-height: 1.3;
  color: var(--ink);
  margin: 36px 0 10px;
}
.article ul,
.article ol {
  padding-left: 1.25em;
  margin: 0 0 22px;
}
.article li {
  margin: 8px 0;
  padding-left: 0.2em;
}
.article li::marker {
  color: var(--muted);
}
.article strong {
  font-weight: 600;
  color: var(--ink);
}
.article em {
  font-style: italic;
}
.article blockquote {
  margin: 32px 0;
  padding: 4px 0 4px 22px;
  border-left: 2px solid var(--line-strong);
  color: var(--ink);
  font-size: 20px;
  line-height: 1.5;
}

/* ---- FAQ accordion (native <details>, no JS) -------------- */
.faq {
  margin: 12px 0 34px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--paper);
}
.faq-item {
  border-bottom: 1px solid var(--line);
}
.faq-item:last-child {
  border-bottom: 0;
}
.faq-item > summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 17px 20px;
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  background: var(--paper);
  transition:
    background 0.15s ease,
    color 0.15s ease;
}
.faq-item > summary::-webkit-details-marker {
  display: none;
}
.faq-item > summary h3 {
  margin: 0;
  font-size: inherit;
  font-weight: inherit;
  line-height: inherit;
  color: inherit;
}
.faq-item > summary:hover {
  background: var(--panel);
}
.faq-item > summary::after {
  content: "";
  flex: none;
  width: 9px;
  height: 9px;
  margin-top: -4px;
  border-right: 2px solid var(--muted);
  border-bottom: 2px solid var(--muted);
  transform: rotate(45deg);
  transition:
    transform 0.2s ease,
    border-color 0.2s ease;
}
.faq-item[open] > summary {
  color: var(--accent);
}
.faq-item[open] > summary::after {
  transform: rotate(-135deg);
  margin-top: 2px;
  border-color: var(--accent);
}
.faq-a {
  padding: 2px 20px 18px;
  background: var(--paper);
}
.faq-a p {
  margin: 0;
  color: var(--muted);
  font-size: 15.5px;
}
.faq-a p + p {
  margin-top: 12px;
}
.faq-item[open] .faq-a {
  animation: faqReveal 0.22s ease;
}
@keyframes faqReveal {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* ---- Tables ----------------------------------------------- */
.table-wrap {
  overflow-x: auto;
  margin: 30px 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
table {
  width: 100%;
  border-collapse: collapse;
  min-width: 520px;
}
th,
td {
  padding: 13px 16px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line);
}
th {
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--muted);
}
tbody tr:last-child td {
  border-bottom: 0;
}
tbody tr:hover {
  background: var(--panel);
}

/* ---- Figures ---------------------------------------------- */
.article-figure {
  margin: 0 0 30px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--panel);
}
.article-figure figcaption {
  padding: 11px 14px;
  font-size: 13px;
  color: var(--muted);
  border-top: 1px solid var(--line);
}

/* ---- Sidebar ---------------------------------------------- */
.sidebar {
  min-width: 0;
  position: sticky;
  top: 96px;
  display: grid;
  gap: 20px;
}
.side-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
}
.side-card h2,
.side-card h3 {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 600;
}
.side-card p {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 15px;
}
.side-card ul {
  padding-left: 1.1em;
  margin: 0;
  font-size: 15px;
}
.side-card .side-title {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 600;
}
.toc a {
  display: block;
  padding: 9px 0;
  text-decoration: none;
  color: var(--ink-soft);
  font-size: 15px;
  border-bottom: 1px solid var(--line);
  transition: color 0.15s ease;
}
.toc a:hover {
  color: var(--accent);
}
.toc a:last-child {
  border-bottom: 0;
}

/* ---- Author box ------------------------------------------- */
.author-box {
  margin-top: 48px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 18px;
  align-items: start;
}
.author-avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--ink);
  display: grid;
  place-items: center;
  color: #fff;
  font-weight: 600;
  font-size: 18px;
  overflow: hidden;
  flex: 0 0 auto;
}
.author-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
  display: block;
}
.author-box h2 {
  font-weight: 600;
  font-size: 18px;
  color: var(--ink);
  margin: 0 0 6px;
}
.author-box p {
  color: var(--muted);
  margin: 0;
  font-size: 15px;
}
.author-box .author-name {
  font-weight: 600;
  font-size: 18px;
  color: var(--ink);
  margin: 0 0 6px;
}

/* ---- Related (cards) -------------------------------------- */
.related {
  margin-top: 48px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.related a {
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-height: 128px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
  background: var(--paper);
  text-decoration: none;
  font-weight: 600;
  font-size: 16px;
  line-height: 1.4;
  color: var(--ink);
  transition:
    border-color 0.15s ease,
    color 0.15s ease,
    transform 0.15s ease;
}
.related a::after {
  content: "Lees verder \2192";
  margin-top: auto;
  font-size: 13px;
  font-weight: 500;
  color: var(--muted);
  transition: color 0.15s ease;
}
.related a:hover {
  border-color: var(--ink);
  color: var(--accent);
  transform: translateY(-2px);
}
.related a:hover::after {
  color: var(--accent);
}

/* ---- Footer ----------------------------------------------- */
.site-footer {
  background: var(--panel);
  color: var(--muted);
  border-top: 1px solid var(--line);
  padding: 56px 0 32px;
  margin-top: 24px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 0.8fr;
  gap: 40px;
}
.site-footer a {
  color: var(--ink);
  text-decoration: none;
}
.site-footer a:hover {
  color: var(--accent);
}
.site-footer h2 {
  font-weight: 600;
  color: var(--ink);
  margin: 0 0 12px;
  font-size: 18px;
}
.site-footer h3 {
  color: var(--muted);
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 600;
}
.site-footer p {
  margin: 0 0 12px;
  font-size: 15px;
}
.site-footer .footer-brand {
  font-weight: 600;
  color: var(--ink);
  margin: 0 0 12px;
  font-size: 18px;
}
.site-footer .footer-logo {
  height: 48px;
  width: auto;
  display: block;
  margin: 0 0 12px;
}
.site-footer .footer-heading {
  color: var(--muted);
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 600;
}
.footer-nav {
  display: grid;
  gap: 10px;
  font-size: 15px;
}
.copy {
  margin-top: 40px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  color: var(--muted);
}

/* ---- Responsive ------------------------------------------- */
@media (max-width: 980px) {
  .nav-toggle {
    display: inline-flex;
  }
  .main-nav {
    display: none;
    position: absolute;
    left: 24px;
    right: 24px;
    top: 72px;
    flex-direction: column;
    align-items: stretch;
    background: var(--paper);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 8px;
    gap: 0;
  }
  .main-nav.is-open {
    display: flex;
  }
  .main-nav a {
    width: 100%;
    padding: 13px 10px;
    border-bottom: 1px solid var(--line);
    border-radius: 0;
  }
  .main-nav a:last-child {
    border-bottom: 0;
  }
  .layout {
    grid-template-columns: 1fr;
    gap: 44px;
  }
  .sidebar {
    position: relative;
    top: auto;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 640px) {
  .container {
    width: min(100% - 32px, 1120px);
  }
  .header-inner {
    min-height: 64px;
  }
  .main-nav {
    top: 64px;
  }
  .brand-text small {
    display: none;
  }
  .layout {
    padding: 32px 0 64px;
  }
  .related {
    grid-template-columns: 1fr;
  }
  .related a {
    min-height: 0;
  }
  .author-box {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

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