/* ═══════════════════════════════════════════
   NTNUI SJAKK, Global Stylesheet
   Aesthetic: Dark editorial chess club,
   deep burgundy + cream + charcoal
   Font: Playfair Display (headings) +
         Source Sans 3 (body)
   ═══════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@700;900&family=Source+Sans+3:wght@300;400;600;700&display=swap');

/* ── Variables ── */
:root {
  --red:      #9b3434;
  --red-dark: #7a2828;
  --red-light:#c45454;
  --cream:    #f5f0e8;
  --cream-dk: #ede6d6;
  --dark:     #1a1210;
  --charcoal: #2e2420;
  --mid:      #5a4a44;
  --muted:    #8a7a74;
  --white:    #ffffff;
  --nav-h:    68px;
  --max-w:    1140px;
  --radius:   10px;
  --shadow:   0 4px 28px rgba(0,0,0,0.13);
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Source Sans 3', sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--charcoal);
  background: var(--cream);
  min-height: 100vh;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }

/* ── TOP NAV ── */
.top-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-h);
  background: var(--dark);
  display: flex;
  align-items: center;
  padding: 0 32px;
  gap: 0;
  box-shadow: 0 2px 24px rgba(0,0,0,0.45);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  flex-shrink: 0;
}
.nav-logo-icon {
  font-size: 28px;
  line-height: 1;
  filter: drop-shadow(0 0 8px rgba(155,52,52,0.7));
}
.nav-logo img {
  height: 44px;
  width: auto;
  display: block;
}

.nav-spacer { flex: 1; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 8px 16px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.75);
  transition: background 0.2s, color 0.2s;
  cursor: pointer;
  border: none;
  background: none;
  font-family: 'Source Sans 3', sans-serif;
  text-decoration: none;
}
.nav-link:hover, .nav-link.active {
  background: rgba(155,52,52,0.25);
  color: #fff;
}
.nav-link.active { background: var(--red); color: #fff; }
.nav-link-icon { font-size: 15px; }

/* Language toggle */
.lang-toggle {
  display: flex;
  align-items: center;
  margin-left: 12px;
  border: 1.5px solid rgba(255,255,255,0.2);
  border-radius: 20px;
  overflow: hidden;
}
.lang-btn {
  padding: 5px 12px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: rgba(255,255,255,0.55);
  background: none;
  border: none;
  cursor: pointer;
  transition: background 0.18s, color 0.18s;
  font-family: 'Source Sans 3', sans-serif;
}
.lang-btn.active {
  background: var(--red);
  color: #fff;
}

/* Mobile nav */
.nav-hamburger {
  display: none;
  background: none;
  border: none;
  color: #fff;
  font-size: 26px;
  cursor: pointer;
  padding: 4px 8px;
}

/* ── PAGE HERO (for inner pages) ── */
.page-hero {
  background: var(--dark);
  padding: 56px 32px 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '♛';
  position: absolute;
  font-size: 320px;
  color: rgba(155,52,52,0.06);
  top: 50%;
  left: 50%;
  transform: translate(-50%,-50%);
  pointer-events: none;
  line-height: 1;
}
.page-hero h1 {
  font-family: 'Playfair Display', serif;
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 900;
  color: var(--cream);
  position: relative;
}
.page-hero p {
  color: rgba(245,240,232,0.65);
  font-size: 16px;
  margin-top: 8px;
  position: relative;
}

/* ── MAIN CONTENT WRAPPER ── */
.site-main {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 48px 24px 64px;
}

/* ── SECTION HEADING ── */
.section-heading {
  font-family: 'Playfair Display', serif;
  font-size: clamp(22px, 3.5vw, 32px);
  font-weight: 900;
  color: var(--dark);
  margin: 52px 0 24px;
  display: flex;
  align-items: center;
  gap: 14px;
}
.section-heading::after {
  content: '';
  flex: 1;
  height: 2px;
  background: linear-gradient(to right, var(--red), transparent);
  border-radius: 1px;
}

/* ── CARDS ── */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
}
.card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid rgba(0,0,0,0.06);
  transition: transform 0.2s, box-shadow 0.2s;
}
.card:hover { transform: translateY(-3px); box-shadow: 0 8px 36px rgba(0,0,0,0.16); }
.card-header {
  padding: 16px 22px;
  font-weight: 800;
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 9px;
}
.card-header.red  { background: var(--red); }
.card-header.blue { background: #2a62b8; }
.card-header.teal { background: #1e8a72; }
.card-header.gold { background: #8a6c1e; }
.card-body {
  padding: 22px 24px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mid);
}
.card-body strong { color: var(--charcoal); }
.card-body a { color: var(--red); font-weight: 600; }
.card-body a:hover { text-decoration: underline; }

/* ── ACCORDION ── */
.accordion {
  margin-bottom: 16px;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.accordion summary {
  padding: 16px 22px;
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.04em;
  cursor: pointer;
  background: var(--red);
  color: #fff;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  user-select: none;
  transition: background 0.2s;
}
.accordion summary:hover { background: var(--red-dark); }
.accordion summary::after { content: '▾'; font-size: 18px; }
.accordion[open] summary::after { content: '▴'; }
.accordion-body {
  padding: 20px 24px;
  background: var(--white);
  font-size: 15px;
  line-height: 1.75;
  color: var(--mid);
  border: 1px solid rgba(155,52,52,0.12);
  border-top: none;
}
.accordion-body ul { padding-left: 20px; margin: 8px 0; }
.accordion-body li { margin-bottom: 4px; }

/* ── BUTTONS ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 28px;
  border-radius: 9999px;
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.04em;
  text-decoration: none;
  transition: opacity 0.2s, transform 0.15s;
  cursor: pointer;
  border: none;
  font-family: 'Source Sans 3', sans-serif;
}
.btn:hover { opacity: 0.88; transform: scale(1.04); }
.btn-fb   { background: #3373dc; color: #fff; }
.btn-ig   { background: var(--red); color: #fff; }
.btn-red  { background: var(--red); color: #fff !important; }
.btn-blue { background: #2a62b8; color: #fff; }

/* ── FOOTER ── */
.site-footer {
  background: var(--dark);
  color: rgba(245,240,232,0.6);
  text-align: center;
  padding: 32px 24px;
  font-size: 13px;
}
.site-footer a { color: var(--red-light); }
.site-footer a:hover { text-decoration: underline; }

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
  .nav-links { display: none; flex-direction: column; position: absolute; top: var(--nav-h); left: 0; right: 0; background: var(--charcoal); padding: 12px 16px 20px; gap: 4px; box-shadow: 0 8px 24px rgba(0,0,0,0.4); }
  .nav-links.open { display: flex; }
  .nav-hamburger { display: block; }
  .lang-toggle { margin-left: 0; }
  .top-nav { flex-wrap: wrap; height: auto; padding: 12px 16px; gap: 10px; }
  .nav-spacer { display: none; }
  .card-grid { grid-template-columns: 1fr; }
  .site-main { padding: 32px 16px 48px; }
}