/* funbet7.nl – base styles */

:root {
  --color-bg: #0e1320;
  --color-bg-alt: #161d2e;
  --color-surface: #1c2438;
  --color-border: #2a3350;
  --color-text: #e7eaf2;
  --color-text-muted: #aab2c8;
  --color-accent: #ffb020;
  --color-accent-dark: #d99000;
  --color-link: #6fb3ff;
  --max-width: 1100px;
}

* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--color-link);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.wrap {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 clamp(24px, 6vw, 64px);
}

/* ---------- Header ---------- */

.site-header {
  background: var(--color-bg-alt);
  border-bottom: 1px solid var(--color-border);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 12px;
  padding-bottom: 12px;
}

.site-header .brand {
  display: flex;
  align-items: center;
  gap: 10px;
  order: 1;
}

.site-header .brand img {
  width: 84px;
  height: 84px;
  object-fit: contain;
  border-radius: 12px;
}

.site-header nav.main-nav {
  flex: 1 1 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  order: 2;
}

.site-header nav.main-nav a {
  font-weight: 600;
  color: var(--color-text);
  position: relative;
  padding: 4px 16px;
}

.site-header nav.main-nav a:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 50%;
  right: 0;
  transform: translateY(-50%);
  width: 1px;
  height: 14px;
  background: var(--color-border);
}

.header-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  order: 3;
}

.nav-toggle {
  display: none;
}

.burger {
  display: none;
  order: 4;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  padding: 6px;
  cursor: pointer;
}

.burger span {
  display: block;
  height: 2px;
  border-radius: 1px;
  background: var(--color-text);
}

.btn {
  display: inline-block;
  padding: 10px 18px;
  border-radius: 6px;
  font-weight: 700;
  font-size: 0.95rem;
  border: 1px solid transparent;
  white-space: nowrap;
}

.btn:hover {
  text-decoration: none;
}

.btn-login {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border);
}

.btn-login:hover {
  background: var(--color-surface);
}

.btn-register {
  background: var(--color-accent);
  color: #1a1303;
}

.btn-register:hover {
  background: var(--color-accent-dark);
}

/* ---------- Breadcrumbs ---------- */

.breadcrumbs {
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.breadcrumbs .wrap {
  padding-top: 10px;
  padding-bottom: 10px;
}

.breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: 6px;
}

.breadcrumbs li:not(:last-child)::after {
  content: "›";
  margin-left: 6px;
  color: var(--color-text-muted);
}

.breadcrumbs a {
  color: var(--color-text-muted);
}

.breadcrumbs [aria-current="page"] {
  color: var(--color-text);
}

/* ---------- Hero ---------- */

.hero {
  padding-top: 24px;
}

.hero-inner {
  position: relative;
  width: calc(100% - clamp(32px, 10vw, 120px));
  max-width: var(--max-width);
  margin: 0 auto;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--color-border);
}

.hero-inner img {
  width: 100%;
  height: auto;
  max-height: 360px;
  object-fit: cover;
}

.hero-content {
  position: absolute;
  top: 50%;
  left: clamp(20px, 4vw, 48px);
  transform: translateY(-50%);
  max-width: 44%;
  color: #fff;
}

.hero-content .hero-title {
  margin: 0 0 10px;
  font-weight: 700;
  font-size: clamp(1.2rem, 2.4vw, 1.8rem);
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.6);
}

.hero-content p {
  margin: 0 0 16px;
  font-size: 0.95rem;
  color: #e7eaf2;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.6);
}

.hero-content .btn {
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.4);
}

@media (max-width: 700px) {
  .hero-content {
    position: static;
    transform: none;
    max-width: 100%;
    background: var(--color-bg-alt);
    padding: 16px clamp(16px, 4vw, 24px);
  }

  .hero-inner {
    display: flex;
    flex-direction: column;
  }

  .hero-inner img {
    max-height: 220px;
  }
}

/* ---------- Main content ---------- */

article {
  width: calc(100% - clamp(32px, 10vw, 120px));
  max-width: var(--max-width);
  margin: 24px auto 48px;
  padding: clamp(20px, 4vw, 40px);
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: 16px;
}

article h1 {
  font-size: 1.9rem;
  margin-top: 0;
}

article h2 {
  font-size: 1.4rem;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 8px;
}

article table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
  overflow-x: auto;
  display: block;
}

article table thead,
article table tbody {
  display: table;
  width: 100%;
}

article table th,
article table td {
  border: 1px solid var(--color-border);
  padding: 8px 10px;
  text-align: left;
}

article table th {
  background: var(--color-surface);
}

article dl dt {
  font-weight: 700;
  margin-top: 12px;
}

article dl dd {
  margin-left: 0;
  color: var(--color-text-muted);
}

.author-box {
  margin-top: 32px;
  padding-top: 16px;
  border-top: 1px solid var(--color-border);
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

/* ---------- TOC accordion ---------- */

details.toc {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  margin: 20px 0;
  padding: 0;
}

details.toc summary {
  cursor: pointer;
  list-style: none;
  padding: 12px 16px;
  font-weight: 700;
}

details.toc summary::-webkit-details-marker {
  display: none;
}

details.toc summary::before {
  content: "+ ";
  color: var(--color-accent);
}

details.toc[open] summary::before {
  content: "− ";
}

details.toc .toc-body {
  padding: 0 16px 16px;
}

details.toc ul,
details.toc ol {
  margin: 0;
  padding-left: 20px;
}

/* ---------- Footer ---------- */

.site-footer {
  background: var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

.site-footer .wrap {
  padding: 28px 16px;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 16px;
}

.footer-nav a {
  color: var(--color-text-muted);
}

.footer-note {
  font-size: 0.8rem;
  border-top: 1px solid var(--color-border);
  padding-top: 12px;
  margin-top: 12px;
}

/* ---------- Responsive ---------- */

@media (max-width: 700px) {
  .site-header .wrap {
    position: relative;
    flex-wrap: nowrap;
    gap: 8px;
    padding-top: 10px;
    padding-bottom: 10px;
  }

  .site-header .brand {
    flex: 0 0 auto;
    order: 1;
  }

  .header-actions {
    flex: 0 0 auto;
    gap: 6px;
    order: 2;
    margin-left: auto;
  }

  .burger {
    display: flex;
    order: 3;
    flex: 0 0 auto;
  }

  .site-header nav.main-nav {
    order: 4;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-bg-alt);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
    padding: 8px clamp(24px, 6vw, 64px) 12px;
    z-index: 30;
  }

  .nav-toggle:checked ~ nav.main-nav {
    display: flex;
  }

  .site-header nav.main-nav a {
    padding: 10px 0;
    border-bottom: 1px solid var(--color-border);
  }

  .site-header nav.main-nav a:last-child {
    border-bottom: none;
  }

  .site-header nav.main-nav a::after {
    display: none;
  }

  .btn {
    padding: 8px 10px;
    font-size: 0.8rem;
  }

  main h1 {
    font-size: 1.5rem;
  }

  .hero img {
    max-height: 220px;
  }
}

@media (max-width: 420px) {
  .site-header .brand img {
    width: 56px;
    height: 56px;
  }

  .site-header nav.main-nav {
    font-size: 0.75rem;
  }

  .btn {
    padding: 8px 8px;
    font-size: 0.72rem;
  }
}