/* ============================================================
   Save Isolatie — Samen Verduurzamen
   Kleuren afgeleid van het logo:
   donkergroen #1B5E2E · frisgroen #7CB342 · teal #2E8B74 · antraciet #33363A
   ============================================================ */

:root {
  --groen-donker: #1b5e2e;
  --groen-fris: #7cb342;
  --groen-fris-donker: #5e9330;
  --teal: #2e8b74;
  --antraciet: #33363a;
  --grijs-tekst: #55595e;
  --grijs-licht: #f4f7f4;
  --wit: #ffffff;
  --rand: #e3e8e3;
  --schaduw: 0 6px 24px rgba(27, 94, 46, 0.10);
  --radius: 14px;
  --max-b: 1140px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: "Segoe UI", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  color: var(--antraciet);
  line-height: 1.65;
  background: var(--wit);
}

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

.container {
  max-width: var(--max-b);
  margin: 0 auto;
  padding: 0 24px;
}

h1, h2, h3, h4 {
  line-height: 1.25;
  color: var(--antraciet);
  font-weight: 800;
}

h1 { font-size: clamp(1.9rem, 4.5vw, 3rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); }
h3 { font-size: 1.2rem; }

p { color: var(--grijs-tekst); }

a { color: var(--groen-donker); }

.kicker {
  display: inline-block;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--groen-fris-donker);
  margin-bottom: 10px;
}

/* ---------- Knoppen ---------- */
.btn {
  display: inline-block;
  padding: 14px 28px;
  border-radius: 999px;
  font-weight: 700;
  text-decoration: none;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
  cursor: pointer;
  border: 2px solid transparent;
  font-size: 1rem;
}

.btn-primair {
  background: var(--groen-fris);
  color: var(--wit);
  box-shadow: 0 4px 14px rgba(124, 179, 66, 0.35);
}
.btn-primair:hover { background: var(--groen-fris-donker); transform: translateY(-2px); }

.btn-secundair {
  background: transparent;
  color: var(--groen-donker);
  border-color: var(--groen-donker);
}
.btn-secundair:hover { background: var(--groen-donker); color: var(--wit); }

.btn-wit {
  background: var(--wit);
  color: var(--groen-donker);
}
.btn-wit:hover { transform: translateY(-2px); }

/* ---------- Topbar ---------- */
.topbar {
  background: var(--groen-donker);
  color: var(--wit);
  font-size: 0.88rem;
  padding: 7px 0;
}
.topbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.topbar a { color: var(--wit); text-decoration: none; }
.topbar a:hover { text-decoration: underline; }
.topbar-links { display: flex; gap: 22px; }

/* ---------- Header / navigatie ---------- */
header.site-header {
  background: var(--wit);
  border-bottom: 1px solid var(--rand);
  position: sticky;
  top: 0;
  z-index: 100;
}
.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 12px 24px;
  max-width: var(--max-b);
  margin: 0 auto;
}
.logo-link img { height: 62px; width: auto; }

nav.hoofdnav { display: flex; align-items: center; gap: 6px; }
nav.hoofdnav > a, .dropdown > a {
  text-decoration: none;
  color: var(--antraciet);
  font-weight: 600;
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 0.98rem;
}
nav.hoofdnav > a:hover, .dropdown > a:hover { background: var(--grijs-licht); color: var(--groen-donker); }
nav.hoofdnav > a.actief { color: var(--groen-donker); }

.dropdown { position: relative; }
.dropdown > a::after { content: " ▾"; font-size: 0.7em; }
.dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  background: var(--wit);
  border: 1px solid var(--rand);
  border-radius: 12px;
  box-shadow: var(--schaduw);
  min-width: 230px;
  padding: 8px;
  z-index: 50;
}
.dropdown:hover .dropdown-menu, .dropdown:focus-within .dropdown-menu { display: block; }
.dropdown-menu a {
  display: block;
  padding: 10px 14px;
  text-decoration: none;
  color: var(--antraciet);
  font-weight: 500;
  border-radius: 8px;
}
.dropdown-menu a:hover { background: var(--grijs-licht); color: var(--groen-donker); }

.nav-cta { white-space: nowrap; }

/* Mobiel menu */
#menu-toggle { display: none; }
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
}
.hamburger span {
  width: 26px; height: 3px;
  background: var(--antraciet);
  border-radius: 2px;
}

@media (max-width: 920px) {
  .hamburger { display: flex; }
  nav.hoofdnav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0; right: 0;
    background: var(--wit);
    flex-direction: column;
    align-items: stretch;
    padding: 12px 20px 20px;
    border-bottom: 1px solid var(--rand);
    box-shadow: var(--schaduw);
  }
  #menu-toggle:checked ~ nav.hoofdnav { display: flex; }
  .dropdown-menu {
    display: block;
    position: static;
    border: none;
    box-shadow: none;
    padding-left: 16px;
  }
  .dropdown > a::after { content: ""; }
  .nav-cta { display: none; }
}

/* ---------- Hero ---------- */
.hero {
  background: linear-gradient(135deg, #f0f6ec 0%, #e4efe0 55%, #d9ebd4 100%);
  overflow: hidden;
}
.hero .container {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  align-items: center;
  padding-top: 72px;
  padding-bottom: 72px;
}
.hero h1 span { color: var(--groen-donker); }
.hero p.intro {
  font-size: 1.12rem;
  margin: 18px 0 28px;
  max-width: 54ch;
}
.hero-knoppen { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-usps {
  display: flex;
  gap: 26px;
  margin-top: 34px;
  flex-wrap: wrap;
}
.hero-usps li {
  list-style: none;
  font-weight: 600;
  color: var(--antraciet);
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.95rem;
}
.vinkje {
  color: var(--groen-fris);
  font-weight: 900;
}
.hero-illustratie svg { width: 100%; height: auto; }

@media (max-width: 860px) {
  .hero .container { grid-template-columns: 1fr; padding-top: 48px; padding-bottom: 48px; }
  .hero-illustratie { max-width: 420px; margin: 0 auto; }
}

/* ---------- Secties ---------- */
section { padding: 72px 0; }
section.grijs { background: var(--grijs-licht); }
.sectie-kop { max-width: 720px; margin-bottom: 44px; }
.sectie-kop.midden { margin-left: auto; margin-right: auto; text-align: center; }
.sectie-kop p { margin-top: 12px; font-size: 1.05rem; }

/* ---------- Diensten-kaarten ---------- */
.kaarten {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}
@media (max-width: 920px) { .kaarten { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .kaarten { grid-template-columns: 1fr; } }

.kaart {
  background: var(--wit);
  border: 1px solid var(--rand);
  border-radius: var(--radius);
  padding: 30px 26px;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
  display: flex;
  flex-direction: column;
}
.kaart:hover { transform: translateY(-5px); box-shadow: var(--schaduw); }
.kaart .icoon {
  width: 58px; height: 58px;
  border-radius: 14px;
  background: rgba(124, 179, 66, 0.14);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
}
.kaart .icoon svg { width: 34px; height: 34px; stroke: var(--teal); }
.kaart h3 { margin-bottom: 10px; }
.kaart p { font-size: 0.97rem; flex: 1; }
.kaart .lees-meer {
  margin-top: 18px;
  font-weight: 700;
  text-decoration: none;
  color: var(--groen-fris-donker);
}
.kaart .lees-meer:hover { text-decoration: underline; }

.kaart-foto {
  margin: -30px -26px 20px;
  width: calc(100% + 52px);
  max-width: calc(100% + 52px);
  height: 180px;
  object-fit: cover;
  border-radius: 13px 13px 0 0;
}

/* ---------- Voordelen ---------- */
.voordelen {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}
@media (max-width: 860px) { .voordelen { grid-template-columns: 1fr; } }
.voordeel {
  text-align: center;
  padding: 34px 26px;
  background: var(--wit);
  border-radius: var(--radius);
  border: 1px solid var(--rand);
}
.voordeel .cirkel {
  width: 66px; height: 66px;
  margin: 0 auto 18px;
  border-radius: 50%;
  background: var(--groen-donker);
  color: var(--wit);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
}
.voordeel h3 { margin-bottom: 8px; }

/* ---------- Werkwijze / stappen ---------- */
.stappen {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 26px;
  counter-reset: stap;
}
@media (max-width: 920px) { .stappen { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .stappen { grid-template-columns: 1fr; } }
.stap {
  background: var(--wit);
  border-radius: var(--radius);
  padding: 28px 24px;
  border: 1px solid var(--rand);
  position: relative;
}
.stap::before {
  counter-increment: stap;
  content: counter(stap);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--groen-fris);
  color: var(--wit);
  font-weight: 800;
  font-size: 1.15rem;
  margin-bottom: 16px;
}
.stap h3 { font-size: 1.08rem; margin-bottom: 8px; }
.stap p { font-size: 0.95rem; }

/* ---------- Reviews ---------- */
.reviews {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}
@media (max-width: 860px) { .reviews { grid-template-columns: 1fr; } }
.review {
  background: var(--wit);
  border-radius: var(--radius);
  padding: 30px 26px;
  border: 1px solid var(--rand);
}
.sterren { color: #f5a623; font-size: 1.1rem; letter-spacing: 2px; margin-bottom: 12px; }
.review p { font-style: italic; font-size: 0.97rem; }
.review .naam {
  margin-top: 16px;
  font-style: normal;
  font-weight: 700;
  color: var(--antraciet);
}

/* ---------- CTA-band ---------- */
.cta-band {
  background: linear-gradient(120deg, var(--groen-donker), #17512a 60%, var(--teal));
  color: var(--wit);
  text-align: center;
  border-radius: 0;
}
.cta-band h2, .cta-band p { color: var(--wit); }
.cta-band p { opacity: 0.9; max-width: 60ch; margin: 14px auto 30px; }

/* ---------- Subsidie-banner ---------- */
.subsidie-blok {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}
@media (max-width: 860px) { .subsidie-blok { grid-template-columns: 1fr; } }
.subsidie-blok ul { margin: 18px 0 26px; padding-left: 0; }
.subsidie-blok li {
  list-style: none;
  padding: 8px 0 8px 34px;
  position: relative;
  color: var(--grijs-tekst);
}
.subsidie-blok li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 8px;
  width: 24px; height: 24px;
  background: rgba(124, 179, 66, 0.16);
  color: var(--groen-fris-donker);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 800;
}

/* ---------- Contentpagina's (diensten) ---------- */
.pagina-hero {
  background: linear-gradient(135deg, #f0f6ec 0%, #dfeeda 100%);
  padding: 56px 0;
}
.pagina-hero p { max-width: 66ch; margin-top: 14px; font-size: 1.08rem; }
.broodkruimel {
  font-size: 0.87rem;
  margin-bottom: 14px;
  color: var(--grijs-tekst);
}
.broodkruimel a { color: var(--groen-fris-donker); text-decoration: none; }
.broodkruimel a:hover { text-decoration: underline; }

.content-grid {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 48px;
  align-items: start;
}
@media (max-width: 920px) { .content-grid { grid-template-columns: 1fr; } }

.content-hoofd h2 { margin: 36px 0 14px; }
.content-hoofd h2:first-child { margin-top: 0; }
.content-foto {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border-radius: var(--radius);
  margin-bottom: 30px;
  box-shadow: var(--schaduw);
}
.content-hoofd p { margin-bottom: 16px; }
.content-hoofd ul { margin: 0 0 16px 22px; color: var(--grijs-tekst); }
.content-hoofd li { margin-bottom: 8px; }

.zijbalk {
  position: sticky;
  top: 110px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.zijbalk-kaart {
  background: var(--grijs-licht);
  border-radius: var(--radius);
  padding: 28px 24px;
  border: 1px solid var(--rand);
}
.zijbalk-kaart.donker {
  background: var(--groen-donker);
  color: var(--wit);
}
.zijbalk-kaart.donker h3, .zijbalk-kaart.donker p { color: var(--wit); }
.zijbalk-kaart h3 { margin-bottom: 10px; }
.zijbalk-kaart p { font-size: 0.95rem; margin-bottom: 18px; }
.zijbalk-kaart .btn { width: 100%; text-align: center; }
.zijbalk-kaart ul { list-style: none; }
.zijbalk-kaart li { padding: 7px 0; border-bottom: 1px solid var(--rand); }
.zijbalk-kaart li:last-child { border-bottom: none; }
.zijbalk-kaart li a { text-decoration: none; font-weight: 600; color: var(--antraciet); }
.zijbalk-kaart li a:hover { color: var(--groen-donker); }
.zijbalk-kaart li a.actief { color: var(--groen-fris-donker); }

.feiten-tabel {
  width: 100%;
  border-collapse: collapse;
  margin: 8px 0 16px;
  font-size: 0.95rem;
}
.feiten-tabel td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--rand);
  color: var(--grijs-tekst);
}
.feiten-tabel td:first-child { font-weight: 700; color: var(--antraciet); width: 45%; }

/* ---------- FAQ ---------- */
details.faq {
  background: var(--wit);
  border: 1px solid var(--rand);
  border-radius: 12px;
  margin-bottom: 14px;
  overflow: hidden;
}
details.faq summary {
  padding: 18px 22px;
  font-weight: 700;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}
details.faq summary::-webkit-details-marker { display: none; }
details.faq summary::after { content: "+"; font-size: 1.4rem; color: var(--groen-fris-donker); }
details.faq[open] summary::after { content: "–"; }
details.faq .faq-inhoud { padding: 0 22px 20px; }

/* ---------- Formulier ---------- */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
@media (max-width: 640px) { .form-grid { grid-template-columns: 1fr; } }
.veld { display: flex; flex-direction: column; gap: 6px; }
.veld.breed { grid-column: 1 / -1; }
.veld label { font-weight: 600; font-size: 0.92rem; }
.veld input, .veld select, .veld textarea {
  padding: 13px 15px;
  border: 1px solid var(--rand);
  border-radius: 10px;
  font-size: 1rem;
  font-family: inherit;
  background: var(--wit);
  color: var(--antraciet);
}
.veld input:focus, .veld select:focus, .veld textarea:focus {
  outline: 2px solid var(--groen-fris);
  border-color: transparent;
}
.veld textarea { min-height: 130px; resize: vertical; }

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 48px;
  align-items: start;
}
@media (max-width: 860px) { .contact-grid { grid-template-columns: 1fr; } }
.contact-info-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 18px 0;
  border-bottom: 1px solid var(--rand);
}
.contact-info-item:last-child { border-bottom: none; }
.contact-info-item .icoon-klein {
  width: 46px; height: 46px;
  flex-shrink: 0;
  border-radius: 12px;
  background: rgba(124, 179, 66, 0.14);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--groen-donker);
  font-size: 1.2rem;
}
.contact-info-item strong { display: block; color: var(--antraciet); }
.contact-info-item a { color: var(--grijs-tekst); text-decoration: none; }
.contact-info-item a:hover { color: var(--groen-donker); }

/* ---------- Footer ---------- */
footer.site-footer {
  background: var(--antraciet);
  color: #c8ccd0;
  padding: 64px 0 0;
  font-size: 0.95rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 48px;
}
@media (max-width: 860px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .footer-grid { grid-template-columns: 1fr; } }
footer h4 { color: var(--wit); margin-bottom: 16px; font-size: 1.05rem; }
footer ul { list-style: none; }
footer li { margin-bottom: 10px; }
footer a { color: #c8ccd0; text-decoration: none; }
footer a:hover { color: var(--groen-fris); }
.footer-logo {
  background: var(--wit);
  border-radius: 12px;
  padding: 10px 16px;
  display: inline-block;
  margin-bottom: 18px;
}
.footer-logo img { height: 52px; }
.footer-onder {
  border-top: 1px solid #4a4e53;
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  font-size: 0.85rem;
}