/* Stroomvoorspeller — basis-stijlen
   Mobiel-eerst, sober, hoge leesbaarheid.
*/

:root {
  --c-bg: #f6f8fb;
  --c-surface: #ffffff;
  --c-text: #18222e;
  --c-text-soft: #4a5b6e;
  --c-text-mute: #7c8a99;
  --c-border: #e1e7ee;

  --c-brand: #0f6cbd;
  --c-brand-deep: #0a4f8b;
  --c-accent: #2e75b6;

  --c-cheap: #2f9e44;
  --c-cheap-bg: #e6f4ea;
  --c-normal: #d4a017;
  --c-normal-bg: #fff4d6;
  --c-pricey: #c92a2a;
  --c-pricey-bg: #fde8e8;

  --shadow-sm: 0 1px 2px rgba(20, 30, 50, 0.05);
  --shadow-md: 0 4px 16px rgba(20, 30, 50, 0.08);

  --radius: 14px;
  --radius-sm: 8px;

  --font-sans: -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  font-family: var(--font-sans);
  color: var(--c-text);
  background: var(--c-bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: var(--c-brand); text-decoration: none; }
a:hover { text-decoration: underline; }

.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
.site-header {
  background: var(--c-surface);
  border-bottom: 1px solid var(--c-border);
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: saturate(140%) blur(8px);
}
.header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  padding-bottom: 14px;
  flex-wrap: wrap;
  gap: 12px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--c-text);
}
.brand-mark {
  color: var(--c-brand);
  font-size: 1.4rem;
}
.brand-tld { color: var(--c-text-mute); font-weight: 500; }
.primary-nav { display: flex; gap: 18px; flex-wrap: wrap; }
.primary-nav a { color: var(--c-text-soft); font-weight: 500; font-size: 0.95rem; }
.primary-nav a:hover { color: var(--c-brand); }

/* Hero / now-card */
.hero { padding: 32px 0 8px; }
.now-card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 28px 28px 22px;
  box-shadow: var(--shadow-md);
  display: grid;
  gap: 8px;
  position: relative;
  overflow: hidden;
}
.now-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 4px;
  background: linear-gradient(90deg, var(--c-cheap), var(--c-normal), var(--c-pricey));
  opacity: 0.85;
}
.now-card[data-status="cheap"]   { background: linear-gradient(180deg, var(--c-cheap-bg) 0%, var(--c-surface) 65%); }
.now-card[data-status="normal"]  { background: linear-gradient(180deg, var(--c-normal-bg) 0%, var(--c-surface) 65%); }
.now-card[data-status="pricey"]  { background: linear-gradient(180deg, var(--c-pricey-bg) 0%, var(--c-surface) 65%); }
.now-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.95rem;
  color: var(--c-text-soft);
}
.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--c-text-mute);
  display: inline-block;
}
.now-card[data-status="cheap"]  .status-dot { background: var(--c-cheap); box-shadow: 0 0 0 4px var(--c-cheap-bg); }
.now-card[data-status="normal"] .status-dot { background: var(--c-normal); box-shadow: 0 0 0 4px var(--c-normal-bg); }
.now-card[data-status="pricey"] .status-dot { background: var(--c-pricey); box-shadow: 0 0 0 4px var(--c-pricey-bg); }
.status-value {
  font-weight: 700;
  color: var(--c-text);
  text-transform: lowercase;
}
.now-price {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-top: 6px;
}
.now-price-value {
  font-size: clamp(2.5rem, 8vw, 4rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--c-text);
  line-height: 1;
}
.now-price-unit {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--c-text-soft);
}
.now-meta { color: var(--c-text-soft); font-size: 0.95rem; margin: 4px 0 0; }
.dot-sep { margin: 0 8px; color: var(--c-text-mute); }

/* Quick summary */
.quick-summary {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin: 18px 0 6px;
}
.summary-item {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-sm);
  padding: 14px 14px;
}
.summary-label {
  display: block;
  font-size: 0.78rem;
  color: var(--c-text-mute);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 4px;
}
.summary-value {
  font-weight: 700;
  color: var(--c-text);
  font-size: 1rem;
  line-height: 1.3;
  display: block;
}

/* Sections */
.section-head { margin: 36px 0 14px; }
.section-head h2 {
  margin: 0 0 4px;
  font-size: 1.4rem;
  color: var(--c-brand-deep);
  letter-spacing: -0.01em;
}
.section-sub { margin: 0; color: var(--c-text-soft); font-size: 0.97rem; }

/* Chart */
.chart-section { padding-bottom: 8px; }
.chart-wrapper {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 16px 12px 12px;
  box-shadow: var(--shadow-sm);
  height: 360px;
}
.chart-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 18px;
  font-size: 0.85rem;
  color: var(--c-text-soft);
  margin: 12px 4px 0;
}
.legend-item { display: inline-flex; align-items: center; gap: 6px; }
.legend-item::before {
  content: "";
  width: 10px;
  height: 10px;
  border-radius: 2px;
  background: var(--c-text-mute);
}
.legend-cheap::before   { background: var(--c-cheap); }
.legend-normal::before  { background: var(--c-normal); }
.legend-pricey::before  { background: var(--c-pricey); }
.legend-current::before { background: var(--c-brand); border-radius: 50%; }

/* Forecast placeholder */
.forecast-placeholder {
  background: var(--c-surface);
  border: 1px dashed var(--c-border);
  border-radius: var(--radius);
  padding: 18px 22px;
  color: var(--c-text-soft);
}
.forecast-placeholder strong { color: var(--c-brand-deep); }
.forecast-placeholder p { margin: 6px 0 0; }

/* Best moments */
.moments-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 10px;
}
.moment {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 14px;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
}
.moment-rank {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--c-cheap-bg);
  color: var(--c-cheap);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.9rem;
}
.moment-when { font-weight: 600; }
.moment-when small { color: var(--c-text-mute); font-weight: 500; margin-left: 6px; }
.moment-price {
  font-weight: 700;
  color: var(--c-cheap);
  font-variant-numeric: tabular-nums;
}
.moment-loading { color: var(--c-text-mute); padding: 8px; }

/* Explain */
.explain-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 14px;
}
.explain-grid article {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-sm);
  padding: 16px 18px;
}
.explain-grid h3 {
  margin: 0 0 6px;
  font-size: 1.05rem;
  color: var(--c-brand-deep);
}
.explain-grid p {
  margin: 0;
  color: var(--c-text-soft);
  font-size: 0.95rem;
  line-height: 1.55;
}

/* Footer */
.site-footer {
  margin-top: 60px;
  padding: 28px 0 36px;
  background: var(--c-surface);
  border-top: 1px solid var(--c-border);
  color: var(--c-text-soft);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.footer-brand { margin: 0 0 4px; color: var(--c-text); }
.footer-tag, .footer-meta, .footer-meta-small { margin: 4px 0; font-size: 0.9rem; }
.footer-meta-small { color: var(--c-text-mute); font-size: 0.85rem; }

@media (max-width: 640px) {
  .quick-summary { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .chart-wrapper { height: 300px; }
  .now-card { padding: 22px 20px 18px; }
}