/* Snel Verwarming — pagina's per ketelmerk */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&display=swap');

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

:root {
  --blue:    #0d1828;
  --blue-l:  #1a3358;
  --accent:  #1e85d0;
  --accent-h:#1670b5;
  --orange:  #e8500a;
  --orange-h:#c9420a;
  --gray:    #f0f4f9;
  --text:    #0d1828;
  --muted:   #5a6a80;
  --white:   #ffffff;
  --radius:  12px;
  --shadow:  0 4px 24px rgba(13,24,40,.12);
  --line:    #e8ecf0;
}

html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', system-ui, sans-serif;
  color: var(--text);
  background: var(--white);
  font-size: 16px;
  line-height: 1.6;
  padding-bottom: 88px;
}

a { color: var(--accent); }
a:hover { color: var(--accent-h); }

/* ── Header ── */
.top-header {
  background: var(--white);
  border-bottom: 1px solid var(--line);
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 12px rgba(13,24,40,.08);
}
.top-header .logo { display: flex; align-items: center; text-decoration: none; }
.top-header .logo-img { height: 56px; width: auto; display: block; }

.btn-call {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--orange);
  color: var(--white);
  font-size: 16px;
  font-weight: 800;
  padding: 10px 18px;
  border-radius: 8px;
  text-decoration: none;
  white-space: nowrap;
  transition: background .2s, transform .15s;
}
.btn-call:hover { background: var(--orange-h); transform: translateY(-1px); }
.btn-call svg { width: 18px; height: 18px; fill: var(--white); flex-shrink: 0; }

/* ── Subnav ── */
.subnav {
  background: var(--blue);
  padding: 0 24px;
}
.subnav ul {
  list-style: none;
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  gap: 0 8px;
}
.subnav a {
  display: block;
  padding: 12px 14px;
  color: rgba(255,255,255,.7);
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  border-bottom: 3px solid transparent;
}
.subnav a:hover { color: var(--white); border-bottom-color: var(--accent); }

/* ── Hero merk ── */
.brand-hero {
  position: relative;
  min-height: 280px;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
}
.brand-hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 20%;
}
.brand-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(13,24,40,.35) 0%, rgba(13,24,40,.85) 100%);
}
.brand-hero-inner {
  position: relative;
  z-index: 2;
  max-width: 1100px;
  margin: 0 auto;
  padding: 48px 24px 36px;
  width: 100%;
  color: var(--white);
}
.brand-hero-inner h1 {
  font-size: clamp(1.35rem, 4vw, 2rem);
  font-weight: 900;
  line-height: 1.2;
  margin-bottom: 10px;
  text-shadow: 0 2px 12px rgba(0,0,0,.45);
}
.brand-hero-inner h1 span { color: #ffd166; }
.brand-hero-inner p {
  font-size: 1rem;
  max-width: 560px;
  color: rgba(255,255,255,.92);
  text-shadow: 0 1px 8px rgba(0,0,0,.35);
}

/* ── Balk met logo (vaste hoogte) ── */
.brand-strip {
  background: var(--white);
  border-bottom: 1px solid var(--line);
  padding: 20px 24px;
}
.brand-strip-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}
.brand-strip-logo {
  display: flex;
  align-items: center;
  gap: 18px;
  flex: 1 1 260px;
  min-width: 0;
}
.brand-strip-logo img {
  width: 140px;
  height: 52px;
  max-width: 140px;
  max-height: 52px;
  object-fit: contain;
  object-position: left center;
  flex-shrink: 0;
}
.brand-strip-logo h2 {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--blue);
  margin-bottom: 4px;
}
.brand-strip-logo .tag {
  font-size: .9rem;
  color: var(--muted);
}
.back-link {
  font-size: .88rem;
  font-weight: 600;
  color: var(--accent);
  text-decoration: none;
  border-bottom: 2px solid var(--accent);
  padding-bottom: 2px;
  white-space: nowrap;
}
.back-link:hover { color: var(--accent-h); border-color: var(--accent-h); }

/* ── Trust chips ── */
.trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 14px;
  padding: 16px 24px;
  background: var(--gray);
  border-bottom: 1px solid var(--line);
  justify-content: center;
}
.trust-row span {
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* ── Content ── */
main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 48px 24px 56px;
}
main .lead {
  font-size: 1.05rem;
  color: var(--text);
  margin-bottom: 16px;
}
main .lead strong { color: var(--blue); }
main p { margin-bottom: 14px; color: #3a4555; }
main .note {
  font-size: .92rem;
  color: var(--muted);
  font-style: italic;
  margin: 16px 0 24px;
}
main h3 {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--blue);
  margin: 28px 0 12px;
}
.check-list {
  list-style: none;
  margin: 0 0 24px;
}
.check-list li {
  position: relative;
  padding-left: 26px;
  margin-bottom: 8px;
  font-size: .95rem;
  color: #3a4555;
}
.check-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 900;
}

.btn-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; }
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--orange);
  color: var(--white);
  font-weight: 800;
  padding: 14px 22px;
  border-radius: 10px;
  text-decoration: none;
  font-size: 15px;
  border: none;
  cursor: pointer;
}
.btn-primary:hover { background: var(--orange-h); }
.btn-outline {
  display: inline-flex;
  align-items: center;
  padding: 14px 22px;
  border-radius: 10px;
  border: 2px solid var(--blue);
  color: var(--blue);
  font-weight: 700;
  text-decoration: none;
  font-size: 15px;
}
.btn-outline:hover { background: var(--gray); }

/* ── CTA band ── */
.cta-band {
  background: linear-gradient(135deg, var(--orange) 0%, #c9420a 100%);
  color: var(--white);
  text-align: center;
  padding: 44px 24px;
}
.cta-band h2 { font-size: clamp(1.25rem, 3vw, 1.75rem); font-weight: 900; margin-bottom: 10px; }
.cta-band p { opacity: .95; margin-bottom: 20px; }
.cta-band .big-tel {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--white);
  color: var(--orange);
  font-size: clamp(1.25rem, 3vw, 1.6rem);
  font-weight: 900;
  padding: 14px 28px;
  border-radius: 12px;
  text-decoration: none;
}
.cta-band .big-tel:hover { transform: translateY(-2px); }

/* ── Contact ── */
#contact {
  background: var(--gray);
  padding: 56px 24px;
}
.contact-inner {
  max-width: 560px;
  margin: 0 auto;
}
.contact-inner h2 { font-size: 1.35rem; font-weight: 800; margin-bottom: 8px; color: var(--blue); }
.contact-inner .sub { color: var(--muted); margin-bottom: 22px; font-size: .95rem; }

.form-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 28px 24px;
  box-shadow: var(--shadow);
}
.form-group { margin-bottom: 14px; }
.form-group label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 6px; }
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  border: 1.5px solid #d8dde8;
  border-radius: 8px;
  padding: 11px 14px;
  font-size: 14px;
  font-family: inherit;
}
.form-group textarea { min-height: 100px; resize: vertical; }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(30,133,208,.12);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 520px) { .form-row { grid-template-columns: 1fr; } }

.btn-submit {
  width: 100%;
  padding: 14px;
  background: var(--orange);
  color: var(--white);
  font-size: 16px;
  font-weight: 700;
  border: none;
  border-radius: 8px;
  cursor: pointer;
}
.btn-submit:hover { background: var(--orange-h); }
.form-note { font-size: 12px; color: var(--muted); text-align: center; margin-top: 10px; }

footer {
  background: #080f1a;
  color: rgba(255,255,255,.7);
  padding: 28px 24px;
  text-align: center;
  font-size: 13px;
}
footer a { color: rgba(255,255,255,.9); }

.fab-call {
  position: fixed;
  bottom: 24px;
  right: 20px;
  z-index: 9999;
  display: flex;
  align-items: center;
  gap: 8px;
  background: #e8500a;
  color: #fff;
  border-radius: 50px;
  padding: 12px 20px;
  font-weight: 700;
  font-size: 14px;
  text-decoration: none;
  box-shadow: 0 4px 20px rgba(232,80,10,.45);
  white-space: nowrap;
}
.fab-call svg { width: 18px; height: 18px; fill: #fff; }

@media (max-width: 640px) {
  .brand-strip-logo { flex-direction: column; align-items: flex-start; }
  .brand-strip-logo img {
    width: 120px;
    height: 44px;
    max-width: 120px;
    max-height: 44px;
  }
}
