:root {
  --bg: #060915;
  --bg-2: #0b1125;
  --panel: rgba(12, 18, 35, 0.82);
  --panel-strong: rgba(9, 14, 28, 0.94);
  --line: rgba(255,255,255,0.12);
  --line-strong: rgba(255,255,255,0.18);
  --text: #eef4ff;
  --muted: #c8d2ea;
  --accent: #7fd7ff;
  --accent-2: #ffd76a;
  --accent-3: #91ffcc;
  --shadow: 0 20px 60px rgba(0,0,0,.38);
  --radius: 24px;
  --max: 1200px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--text);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.7;
  background:
    radial-gradient(circle at 15% 10%, rgba(114, 182, 255, .16), transparent 22%),
    radial-gradient(circle at 85% 15%, rgba(255, 182, 96, .14), transparent 18%),
    radial-gradient(circle at 50% 100%, rgba(120, 70, 255, .10), transparent 35%),
    linear-gradient(180deg, #08101f 0%, #04070e 100%);
  min-height: 100vh;
  position: relative;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: .38;
  background-image:
    radial-gradient(circle at 20% 35%, rgba(255,255,255,.9) 0 1px, transparent 1.5px),
    radial-gradient(circle at 80% 15%, rgba(255,255,255,.7) 0 1px, transparent 1.6px),
    radial-gradient(circle at 65% 70%, rgba(255,255,255,.8) 0 1px, transparent 1.5px),
    radial-gradient(circle at 30% 80%, rgba(255,255,255,.55) 0 1px, transparent 1.7px),
    radial-gradient(circle at 90% 55%, rgba(255,255,255,.55) 0 1px, transparent 1.5px);
  background-size: 320px 320px, 420px 420px, 380px 380px, 460px 460px, 520px 520px;
}
body.theme-zon { background:
  radial-gradient(circle at 18% 12%, rgba(255, 170, 66, .24), transparent 18%),
  radial-gradient(circle at 85% 20%, rgba(255, 223, 101, .10), transparent 20%),
  linear-gradient(180deg, #140a07 0%, #070b15 100%); }
body.theme-aarde { background:
  radial-gradient(circle at 20% 12%, rgba(97, 179, 255, .20), transparent 20%),
  radial-gradient(circle at 80% 30%, rgba(133, 255, 180, .10), transparent 18%),
  linear-gradient(180deg, #08101f 0%, #050912 100%); }
body.theme-jupiter, body.theme-saturnus { background:
  radial-gradient(circle at 15% 10%, rgba(255, 191, 128, .18), transparent 20%),
  radial-gradient(circle at 85% 25%, rgba(255, 140, 110, .10), transparent 18%),
  linear-gradient(180deg, #100910 0%, #05070e 100%); }
body.theme-uranus, body.theme-neptunus { background:
  radial-gradient(circle at 18% 12%, rgba(110, 220, 255, .22), transparent 18%),
  radial-gradient(circle at 82% 18%, rgba(115, 140, 255, .16), transparent 18%),
  linear-gradient(180deg, #07101f 0%, #05070e 100%); }
a { color: inherit; }
img { max-width: 100%; display: block; }
.skip-link {
  position: absolute; left: -999px; top: 0;
  background: #fff; color: #000; padding: 10px 14px; z-index: 999;
}
.skip-link:focus { left: 12px; top: 12px; }
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(5, 9, 20, 0.78);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  max-width: var(--max); margin: 0 auto; padding: 14px 20px;
  display: flex; align-items: center; justify-content: space-between; gap: 20px;
}
.brand {
  display: flex; align-items: center; gap: 12px; text-decoration: none; font-weight: 700;
}
.brand img { width: 180px; height: auto; }
.top-nav { display: flex; flex-wrap: wrap; gap: 8px; }
.top-nav a {
  text-decoration: none; padding: 9px 12px; border-radius: 999px;
  border: 1px solid transparent; color: var(--muted); font-size: .96rem;
}
.top-nav a:hover, .top-nav a:focus-visible {
  border-color: var(--line-strong); background: rgba(255,255,255,.05); color: #fff;
}
main { max-width: var(--max); margin: 0 auto; padding: 28px 20px 46px; position: relative; }
.hero {
  display: grid; grid-template-columns: 1.2fr .9fr; gap: 24px; align-items: stretch;
  min-height: 420px;
}
.hero-copy, .hero-card, .hero-banner {
  background: linear-gradient(180deg, rgba(12,18,35,.86), rgba(8,13,24,.92));
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  border-radius: 30px;
}
.hero-copy { padding: 34px; position: relative; overflow: hidden; }
.hero-copy::after {
  content: ""; position: absolute; width: 280px; height: 280px; right: -70px; top: -90px;
  background: radial-gradient(circle, rgba(127,215,255,.16), transparent 68%);
}
.hero-copy h1 { font-size: clamp(2.1rem, 5vw, 4rem); line-height: 1.05; margin: 0 0 18px; }
.hero-copy p { font-size: 1.08rem; color: var(--muted); max-width: 64ch; margin: 0 0 16px; }
.hero-card { overflow: hidden; display: flex; flex-direction: column; }
.hero-card img { width: 100%; height: 100%; object-fit: cover; min-height: 280px; border-radius: 30px 30px 0 0; }
.caption { padding: 16px 18px; color: var(--muted); background: rgba(0,0,0,.2); }
.kicker {
  display: inline-flex; align-items: center; gap: 10px; padding: 9px 14px; border-radius: 999px;
  border: 1px solid var(--line); background: rgba(255,255,255,.04); color: #fff; font-weight: 700;
  margin-bottom: 18px;
}
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 22px; }
.button {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  text-decoration: none; padding: 12px 18px; border-radius: 999px; font-weight: 700;
  border: 1px solid transparent; transition: transform .15s ease, box-shadow .15s ease;
}
.button:hover, .button:focus-visible { transform: translateY(-1px); }
.button-primary { background: linear-gradient(135deg, #6bd0ff, #4a7cff); color: #04111f; box-shadow: 0 10px 25px rgba(74,124,255,.28); }
.button-secondary { background: rgba(255,255,255,.04); color: #fff; border-color: var(--line); }
.section { margin-top: 36px; }
.section h2 { font-size: clamp(1.55rem, 3vw, 2.5rem); margin: 0 0 10px; }
.section p.section-intro { color: var(--muted); margin: 0 0 20px; max-width: 75ch; }
.story-grid, .planet-grid, .card-grid, .meta-grid { display: grid; gap: 18px; }
.story-grid { grid-template-columns: repeat(4, 1fr); }
.card-grid { grid-template-columns: repeat(2, 1fr); }
.planet-grid { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.meta-grid { grid-template-columns: repeat(4, 1fr); margin-top: 18px; }
.card, .meta-item, .info-banner {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
}
.card h3, .meta-item strong, .info-banner h3 { margin: 0 0 10px; }
.card p, .meta-item span, .info-banner p { margin: 0; color: var(--muted); }
.planet-card {
  background: linear-gradient(180deg, rgba(13,20,38,.96), rgba(9,14,28,.98));
  border: 1px solid var(--line); border-radius: 26px; overflow: hidden; box-shadow: var(--shadow);
  display: flex; flex-direction: column;
}
.planet-card img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.planet-copy { padding: 18px; display: flex; flex-direction: column; gap: 12px; flex: 1; }
.planet-copy h3 { margin: 0; font-size: 1.35rem; }
.planet-copy p { margin: 0; color: var(--muted); }
.note {
  border-left: 4px solid var(--accent-2); padding: 16px 18px; background: rgba(255, 215, 106, .08);
  border-radius: 16px; color: var(--muted);
}
.breadcrumbs { color: var(--muted); font-size: .95rem; margin-bottom: 12px; }
.breadcrumbs a { color: #fff; text-decoration: none; }
.article-hero {
  display: grid; grid-template-columns: 1.08fr .92fr; gap: 24px; align-items: stretch; padding-top: 8px;
}
.hero-banner {
  padding: 28px; position: relative; overflow: hidden;
}
.hero-banner::after {
  content: ""; position: absolute; inset: auto -10% -35% auto; width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(255,215,106,.12), transparent 64%);
}
.hero-banner h1 { font-size: clamp(2rem, 4vw, 3.4rem); margin: 0 0 12px; line-height: 1.06; }
.lead { color: var(--muted); font-size: 1.08rem; max-width: 70ch; }
.figure-card {
  background: linear-gradient(180deg, rgba(14,21,42,.88), rgba(10,16,31,.96));
  border: 1px solid var(--line); border-radius: 30px; padding: 16px; box-shadow: var(--shadow);
}
.figure-card img { border-radius: 20px; width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.gallery { display: grid; gap: 24px; margin-top: 30px; }
.figure-block {
  display: grid; grid-template-columns: minmax(300px, 1fr) minmax(300px, 1fr);
  gap: 22px; align-items: center; padding: 18px;
  background: linear-gradient(180deg, rgba(12,18,35,.88), rgba(9,14,28,.96));
  border-radius: 28px; border: 1px solid var(--line); box-shadow: var(--shadow);
}
.figure-block:nth-child(even) .figure-copy { order: -1; }
.figure-media img { width: 100%; border-radius: 20px; aspect-ratio: 4 / 3; object-fit: cover; }
.figure-copy h2 { margin: 0 0 10px; font-size: clamp(1.35rem, 3vw, 2rem); }
.figure-copy p { margin: 0 0 12px; color: var(--muted); }
.figure-copy ul { margin: 10px 0 0; padding-left: 20px; color: var(--muted); }
.figure-copy li + li { margin-top: 6px; }
.quote-block {
  margin-top: 24px; padding: 20px; border-radius: 20px; background: rgba(127,215,255,.07); border: 1px solid rgba(127,215,255,.15);
}
.quote-block strong { display: block; margin-bottom: 8px; font-size: 1.05rem; }
.footer {
  border-top: 1px solid var(--line); margin-top: 48px; padding: 28px 0 14px; color: var(--muted);
}
.footer-inner {
  max-width: var(--max); margin: 0 auto; padding: 0 20px;
  display: grid; grid-template-columns: 1fr auto; gap: 18px; align-items: start;
}
.footer-links { display: flex; gap: 10px; flex-wrap: wrap; }
.footer-links a {
  color: #fff; text-decoration: none; padding: 8px 10px; border-radius: 999px;
  border: 1px solid var(--line); background: rgba(255,255,255,.03);
}
.small { font-size: .95rem; color: var(--muted); }
@media (max-width: 1040px) {
  .hero, .article-hero, .figure-block, .footer-inner { grid-template-columns: 1fr; }
  .figure-block:nth-child(even) .figure-copy { order: 0; }
  .story-grid, .meta-grid, .card-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 720px) {
  .header-inner { flex-direction: column; align-items: flex-start; }
  .top-nav { width: 100%; }
  .top-nav a { font-size: .92rem; }
  main { padding-left: 14px; padding-right: 14px; }
  .story-grid, .meta-grid, .card-grid, .planet-grid { grid-template-columns: 1fr; }
  .hero-copy, .hero-banner { padding: 22px; }
}


/* --- v3 verbeteringen --- */
:root { --max: 1260px; }
body { font-size: 17px; }
main { padding-top: 34px; }
.article-hero, .hero, .section, .figure-block, .card, .planet-card, .quote-block { scroll-margin-top: 110px; }
.hero-copy, .hero-banner { padding: 38px; }
.hero-copy p, .lead, .figure-copy p, .card p, .planet-copy p, .caption { font-size: 1.04rem; }
.meta-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}
.meta-item {
  min-height: 118px;
  padding: 16px 14px;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  gap: 6px;
}
.meta-item strong {
  display: block;
  margin: 0;
  font-size: .92rem;
  letter-spacing: .01em;
  color: #fff;
}
.meta-item span {
  display: block;
  color: var(--muted);
  line-height: 1.5;
  overflow-wrap: anywhere;
}
.figure-copy { min-width: 0; }
.figure-copy ul { margin-top: 14px; }
.figure-copy li { margin-bottom: 4px; }
.caption { line-height: 1.6; }
.reader-note {
  margin-top: 18px;
  padding: 14px 18px;
  border-radius: 18px;
  border: 1px solid rgba(127,215,255,.18);
  background: rgba(127,215,255,.07);
  color: var(--muted);
}
.reader-note strong { color: #fff; }
.audio-toolbar, .block-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
.block-top h2, .audio-toolbar h2 { margin: 0; }
.listen-btn {
  appearance: none;
  border: 1px solid rgba(255,255,255,.16);
  background: rgba(255,255,255,.05);
  color: #fff;
  border-radius: 999px;
  padding: 10px 14px;
  font-weight: 700;
  font-size: .95rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: transform .15s ease, background .15s ease, border-color .15s ease;
}
.listen-btn:hover, .listen-btn:focus-visible {
  transform: translateY(-1px);
  background: rgba(255,255,255,.09);
  border-color: rgba(255,255,255,.28);
}
.listen-btn[aria-pressed="true"] {
  background: linear-gradient(135deg, rgba(127,215,255,.22), rgba(74,124,255,.24));
  border-color: rgba(127,215,255,.42);
  color: #fff;
}
.listen-btn .icon { font-size: 1rem; line-height: 1; }
.play-note {
  margin-top: 14px;
  color: var(--muted);
  font-size: .96rem;
}
.is-playing {
  border-color: rgba(127,215,255,.36) !important;
  box-shadow: 0 18px 50px rgba(74,124,255,.16), var(--shadow);
}
.section-labels {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}
.section-labels a {
  text-decoration: none;
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.10);
  color: #fff;
  font-size: .95rem;
}
.section-labels a:hover, .section-labels a:focus-visible {
  background: rgba(255,255,255,.09);
  border-color: rgba(255,255,255,.22);
}
.hero-copy .actions { margin-top: 18px; }
.hero-card, .figure-card { position: relative; }
.figure-card .caption { border-radius: 0 0 20px 20px; }
@media (max-width: 1040px) {
  .meta-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px) {
  body { font-size: 16px; }
  .hero-copy, .hero-banner, .figure-block, .card, .meta-item { padding: 18px; }
  .meta-grid { grid-template-columns: 1fr; }
  .listen-btn { width: 100%; justify-content: center; }
  .audio-toolbar, .block-top { align-items: stretch; }
  .section-labels { gap: 8px; }
}

.caption strong { display: block; margin-bottom: 6px; color: #fff; }
.section-labels a { white-space: normal; line-height: 1.35; }

.caption p { margin: 0 0 8px; }
.caption p:last-child { margin-bottom: 0; }