/* ==========================================================================
   Thuisbatterijvergelijker.nl - stijlen
   ========================================================================== */

:root {
  --kleur-primair: #0f766e;
  --kleur-primair-donker: #115e59;
  --kleur-primair-licht: #ccfbf1;
  --kleur-accent: #f59e0b;
  --kleur-accent-licht: #fef3c7;
  --kleur-tekst: #1f2937;
  --kleur-tekst-licht: #6b7280;
  --kleur-achtergrond: #f8fafc;
  --kleur-wit: #ffffff;
  --kleur-rand: #e5e7eb;
  --kleur-groen: #16a34a;
  --kleur-groen-licht: #dcfce7;
  --kleur-rood: #dc2626;
  --kleur-rood-licht: #fee2e2;
  --kleur-blauw: #2563eb;
  --kleur-blauw-licht: #dbeafe;
  --schaduw: 0 1px 3px rgba(0, 0, 0, 0.08), 0 4px 12px rgba(0, 0, 0, 0.05);
  --schaduw-hover: 0 4px 6px rgba(0, 0, 0, 0.07), 0 10px 24px rgba(0, 0, 0, 0.1);
  --radius: 12px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Segoe UI", system-ui, -apple-system, Roboto, "Helvetica Neue", sans-serif;
  color: var(--kleur-tekst);
  background: var(--kleur-achtergrond);
  line-height: 1.6;
  font-size: 16px;
}

a { color: var(--kleur-primair); }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* --------------------------------------------------------------------------
   Header en navigatie
   -------------------------------------------------------------------------- */

.site-header {
  background: var(--kleur-wit);
  border-bottom: 1px solid var(--kleur-rand);
  position: sticky;
  top: 0;
  z-index: 50;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
  gap: 16px;
  flex-wrap: wrap;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--kleur-tekst);
  text-decoration: none;
}

.logo .logo-icoon { font-size: 1.5rem; }
.logo span b { color: var(--kleur-primair); }

.hoofdnav {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
}

.hoofdnav a {
  text-decoration: none;
  color: var(--kleur-tekst-licht);
  font-weight: 600;
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 0.95rem;
}

.hoofdnav a:hover { background: var(--kleur-achtergrond); color: var(--kleur-tekst); }
.hoofdnav a.actief { background: var(--kleur-primair-licht); color: var(--kleur-primair-donker); }

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

.hero {
  background: linear-gradient(135deg, #0f766e 0%, #134e4a 100%);
  color: var(--kleur-wit);
  padding: 48px 0 40px;
}

.hero h1 {
  margin: 0 0 12px;
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  line-height: 1.25;
}

.hero p {
  margin: 0;
  max-width: 720px;
  font-size: 1.05rem;
  opacity: 0.92;
}

.hero .update-info {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 18px;
  background: rgba(255, 255, 255, 0.14);
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 0.88rem;
}

/* --------------------------------------------------------------------------
   Infobalk regelgeving
   -------------------------------------------------------------------------- */

.regel-banner {
  background: var(--kleur-accent-licht);
  border: 1px solid #fcd34d;
  border-radius: var(--radius);
  padding: 14px 18px;
  margin: 24px 0 8px;
  display: flex;
  gap: 12px;
  align-items: flex-start;
  font-size: 0.95rem;
}

.regel-banner .icoon { font-size: 1.3rem; line-height: 1.3; }
.regel-banner p { margin: 0; }

/* --------------------------------------------------------------------------
   Filters
   -------------------------------------------------------------------------- */

/* Op mobiel zijn de filters standaard ingeklapt zodat de batterijen snel in beeld komen */
.filter-toggle {
  display: none;
  width: 100%;
  margin: 20px 0 0;
  padding: 13px 16px;
  background: var(--kleur-wit);
  border: 1px solid var(--kleur-rand);
  border-radius: var(--radius);
  box-shadow: var(--schaduw);
  font-size: 1rem;
  font-weight: 700;
  color: var(--kleur-tekst);
  cursor: pointer;
  text-align: left;
}

@media (max-width: 640px) {
  .filter-toggle { display: block; }
  .filterbalk.ingeklapt { display: none; }
  .filterbalk { margin-top: 10px; }
}

.filterbalk {
  background: var(--kleur-wit);
  border: 1px solid var(--kleur-rand);
  border-radius: var(--radius);
  padding: 18px 20px;
  margin: 20px 0;
  box-shadow: var(--schaduw);
}

.filter-rij {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 22px;
  align-items: flex-end;
}

.filter-groep { display: flex; flex-direction: column; gap: 6px; }

.filter-groep > label,
.filter-groep .filter-label {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--kleur-tekst-licht);
}

.filter-groep select {
  padding: 9px 12px;
  border: 1px solid var(--kleur-rand);
  border-radius: 8px;
  background: var(--kleur-wit);
  font-size: 0.95rem;
  color: var(--kleur-tekst);
  min-width: 150px;
}

.checkbox-groep { display: flex; gap: 14px; flex-wrap: wrap; padding-bottom: 4px; }

.checkbox-groep label {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 0.93rem;
  cursor: pointer;
  background: var(--kleur-achtergrond);
  border: 1px solid var(--kleur-rand);
  padding: 8px 12px;
  border-radius: 8px;
  user-select: none;
}

.checkbox-groep label:has(input:checked) {
  background: var(--kleur-primair-licht);
  border-color: var(--kleur-primair);
  color: var(--kleur-primair-donker);
  font-weight: 600;
}

.checkbox-groep input { accent-color: var(--kleur-primair); width: 16px; height: 16px; }

.filter-reset {
  background: none;
  border: none;
  color: var(--kleur-primair);
  font-weight: 600;
  cursor: pointer;
  font-size: 0.9rem;
  padding: 9px 4px;
  text-decoration: underline;
}

/* --------------------------------------------------------------------------
   Resultatenbalk
   -------------------------------------------------------------------------- */

.resultaten-balk {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin: 8px 0 16px;
}

.resultaten-telling { font-weight: 600; color: var(--kleur-tekst-licht); font-size: 0.95rem; }

.weergave-knoppen { display: flex; gap: 8px; align-items: center; }

.weergave-knoppen button {
  padding: 8px 14px;
  border: 1px solid var(--kleur-rand);
  background: var(--kleur-wit);
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--kleur-tekst-licht);
}

.weergave-knoppen button.actief {
  background: var(--kleur-primair);
  border-color: var(--kleur-primair);
  color: var(--kleur-wit);
}

/* --------------------------------------------------------------------------
   Kaarten
   -------------------------------------------------------------------------- */

.kaarten-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(330px, 1fr));
  gap: 20px;
  margin-bottom: 40px;
}

.batterij-kaart {
  background: var(--kleur-wit);
  border: 1px solid var(--kleur-rand);
  border-radius: var(--radius);
  box-shadow: var(--schaduw);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: box-shadow 0.15s ease, transform 0.15s ease;
  position: relative;
}

.batterij-kaart:hover { box-shadow: var(--schaduw-hover); transform: translateY(-2px); }

.kaart-kop {
  padding: 18px 20px 0;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 10px;
}

.kaart-kop .merk { font-size: 0.85rem; font-weight: 700; color: var(--kleur-primair); text-transform: uppercase; letter-spacing: 0.05em; }
.kaart-kop h3 { margin: 2px 0 0; font-size: 1.2rem; line-height: 1.3; }

.aanbieding-vlag {
  background: var(--kleur-rood);
  color: var(--kleur-wit);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 999px;
  white-space: nowrap;
}

.type-badge {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 999px;
  margin-top: 8px;
}

a.term-link { color: inherit; text-decoration: underline dotted; text-underline-offset: 3px; }
a.term-link:hover { color: var(--kleur-primair); }

.type-plug-in { background: var(--kleur-groen-licht); color: #166534; }
.type-ac-gekoppeld { background: var(--kleur-blauw-licht); color: #1e40af; }
.type-hybride { background: #ede9fe; color: #5b21b6; }

.kaart-specs {
  padding: 14px 20px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px 16px;
  font-size: 0.92rem;
}

.spec { display: flex; flex-direction: column; }
.spec .spec-label { font-size: 0.75rem; color: var(--kleur-tekst-licht); font-weight: 600; text-transform: uppercase; letter-spacing: 0.03em; }
.spec .spec-waarde { font-weight: 600; }

.kaart-badges {
  padding: 0 20px 12px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.8rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--kleur-achtergrond);
  border: 1px solid var(--kleur-rand);
  color: var(--kleur-tekst-licht);
}

.kaart-badges .badge { cursor: pointer; }

.badge.ja { background: var(--kleur-groen-licht); border-color: #bbf7d0; color: #166534; }
.badge.deels { background: var(--kleur-accent-licht); border-color: #fde68a; color: #92400e; }
.badge.nee { background: var(--kleur-achtergrond); color: var(--kleur-tekst-licht); text-decoration: line-through; opacity: 0.7; }
.badge.onbekend { background: var(--kleur-achtergrond); border-style: dashed; color: var(--kleur-tekst-licht); }

/* Koppelgemak sterren */
.koppelgemak { padding: 0 20px 12px; font-size: 0.9rem; }
.koppelgemak .sterren { color: var(--kleur-accent); letter-spacing: 2px; font-size: 1rem; }
.koppelgemak .uitleg { color: var(--kleur-tekst-licht); font-size: 0.85rem; margin-top: 2px; }

.kaart-prijs {
  margin-top: auto;
  padding: 14px 20px;
  border-top: 1px solid var(--kleur-rand);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
}

.prijs-blok .van-prijs { font-size: 0.85rem; color: var(--kleur-tekst-licht); text-decoration: line-through; }
.prijs-blok .prijs { font-size: 1.45rem; font-weight: 800; color: var(--kleur-tekst); }
.prijs-blok .prijs-per-kwh { font-size: 0.82rem; color: var(--kleur-tekst-licht); }
.prijs-blok .prijs-winkel { font-size: 0.82rem; color: var(--kleur-tekst-licht); }

.knop {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  background: var(--kleur-primair);
  color: var(--kleur-wit);
  font-weight: 700;
  padding: 11px 18px;
  border-radius: 9px;
  text-decoration: none;
  font-size: 0.95rem;
  border: none;
  cursor: pointer;
  transition: background 0.15s ease;
}

.knop:hover { background: var(--kleur-primair-donker); }

.knop-secundair {
  background: var(--kleur-wit);
  color: var(--kleur-primair);
  border: 1.5px solid var(--kleur-primair);
}

.knop-secundair:hover { background: var(--kleur-primair-licht); }

.kaart-acties { padding: 0 20px 18px; display: flex; gap: 10px; flex-wrap: wrap; }
.kaart-acties .knop { flex: 1; }

.details-toggle {
  background: none;
  border: none;
  color: var(--kleur-primair);
  font-weight: 600;
  cursor: pointer;
  font-size: 0.88rem;
  padding: 0 20px 16px;
  text-align: left;
  text-decoration: underline;
}

.kaart-details {
  padding: 0 20px 18px;
  font-size: 0.9rem;
  color: var(--kleur-tekst);
  border-top: 1px dashed var(--kleur-rand);
  padding-top: 12px;
  margin: 0 20px 18px;
}

.kaart-details dt { font-weight: 700; margin-top: 8px; font-size: 0.82rem; color: var(--kleur-tekst-licht); text-transform: uppercase; }
.kaart-details dd { margin: 2px 0 0; }
.kaart-details .winkel-lijst { list-style: none; padding: 0; margin: 4px 0 0; }
.kaart-details .winkel-lijst li { display: flex; justify-content: space-between; gap: 10px; padding: 4px 0; border-bottom: 1px dotted var(--kleur-rand); }

/* --------------------------------------------------------------------------
   Tabelweergave
   -------------------------------------------------------------------------- */

.tabel-wrap {
  overflow-x: auto;
  background: var(--kleur-wit);
  border: 1px solid var(--kleur-rand);
  border-radius: var(--radius);
  box-shadow: var(--schaduw);
  margin-bottom: 40px;
}

table.vergelijk-tabel {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
  min-width: 900px;
}

.vergelijk-tabel th {
  text-align: left;
  padding: 12px 14px;
  background: var(--kleur-achtergrond);
  border-bottom: 2px solid var(--kleur-rand);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--kleur-tekst-licht);
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
}

.vergelijk-tabel th .sorteer-pijl { opacity: 0.5; }
.vergelijk-tabel td { padding: 12px 14px; border-bottom: 1px solid var(--kleur-rand); vertical-align: top; }
.vergelijk-tabel tr:hover td { background: #f0fdfa; }
.vergelijk-tabel .tabel-prijs { font-weight: 700; white-space: nowrap; }
.vergelijk-tabel .check-ja { color: var(--kleur-groen); font-weight: 700; }
.vergelijk-tabel .check-deels { color: #92400e; font-weight: 700; cursor: help; }
.vergelijk-tabel .check-nee { color: var(--kleur-tekst-licht); }

/* --------------------------------------------------------------------------
   Vergelijk-selectie (max 3)
   -------------------------------------------------------------------------- */

.vergelijk-checkbox-wrap {
  position: absolute;
  top: 14px;
  right: 14px;
}

.vergelijk-balk {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--kleur-primair-donker);
  color: var(--kleur-wit);
  padding: 12px 20px;
  display: none;
  align-items: center;
  justify-content: center;
  gap: 16px;
  z-index: 60;
  flex-wrap: wrap;
}

.vergelijk-balk.zichtbaar { display: flex; }
.vergelijk-balk .knop { background: var(--kleur-accent); color: #422006; }

/* Vergelijk-modal */
.modal-achtergrond {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.6);
  z-index: 70;
  display: none;
  align-items: flex-start;
  justify-content: center;
  padding: 30px 16px;
  overflow-y: auto;
}

.modal-achtergrond.open { display: flex; }

.modal {
  background: var(--kleur-wit);
  border-radius: var(--radius);
  max-width: 1000px;
  width: 100%;
  padding: 24px;
  position: relative;
}

.modal .sluit {
  position: absolute;
  top: 12px;
  right: 14px;
  background: none;
  border: none;
  font-size: 1.6rem;
  cursor: pointer;
  color: var(--kleur-tekst-licht);
  line-height: 1;
}

.modal h2 { margin-top: 0; }

/* --------------------------------------------------------------------------
   Contentpagina's (regelgeving)
   -------------------------------------------------------------------------- */

.content-pagina { max-width: 820px; margin: 0 auto; padding: 36px 20px 60px; }
.content-pagina h1 { font-size: 2rem; line-height: 1.25; }
.content-pagina h2 { margin-top: 2.2em; color: var(--kleur-primair-donker); }
.content-pagina .intro { font-size: 1.1rem; color: var(--kleur-tekst-licht); }

.info-kader {
  border-left: 4px solid var(--kleur-primair);
  background: var(--kleur-primair-licht);
  padding: 14px 18px;
  border-radius: 0 var(--radius) var(--radius) 0;
  margin: 20px 0;
  font-size: 0.97rem;
}

.waarschuwing-kader {
  border-left: 4px solid var(--kleur-accent);
  background: var(--kleur-accent-licht);
  padding: 14px 18px;
  border-radius: 0 var(--radius) var(--radius) 0;
  margin: 20px 0;
  font-size: 0.97rem;
}

.bron-lijst { font-size: 0.88rem; color: var(--kleur-tekst-licht); }
.bron-lijst li { margin-bottom: 6px; }

.datum-stempel { font-size: 0.85rem; color: var(--kleur-tekst-licht); font-style: italic; }

/* --------------------------------------------------------------------------
   FAQ
   -------------------------------------------------------------------------- */

details.faq-item {
  background: var(--kleur-wit);
  border: 1px solid var(--kleur-rand);
  border-radius: var(--radius);
  padding: 4px 20px;
  margin-bottom: 10px;
}

details.faq-item summary {
  font-weight: 700;
  cursor: pointer;
  padding: 12px 0;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
}

details.faq-item summary::after { content: "+"; font-size: 1.3rem; color: var(--kleur-primair); }
details.faq-item[open] summary::after { content: "\2013"; }
details.faq-item p { margin-top: 0; }

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

.site-footer {
  background: #134e4a;
  color: rgba(255, 255, 255, 0.85);
  padding: 36px 0;
  margin-top: 40px;
  font-size: 0.9rem;
}

.site-footer a { color: var(--kleur-wit); }
.site-footer .disclaimer { max-width: 760px; opacity: 0.75; font-size: 0.83rem; margin-top: 14px; }

/* --------------------------------------------------------------------------
   Laden en leeg
   -------------------------------------------------------------------------- */

.laad-melding, .leeg-melding {
  text-align: center;
  padding: 60px 20px;
  color: var(--kleur-tekst-licht);
  font-size: 1.05rem;
}

/* --------------------------------------------------------------------------
   Responsief
   -------------------------------------------------------------------------- */

@media (max-width: 640px) {
  .kaarten-grid { grid-template-columns: 1fr; }
  .filter-rij { gap: 12px; }
  .filter-groep select { min-width: 130px; }
  .hero { padding: 32px 0 28px; }
  .kaart-acties { flex-direction: column; }
}