/* LPG Van Coillie — trade_industrial. Barlow headings / Inter body. */
:root {
  --primary: #1f262e;
  --primary-soft: #2a323c;
  --accent: #f2740b;
  --accent-dark: #d96407;
  --secondary: #eef0f3;
  --bg: #fafaf8;
  --fg: #24272b;
  --muted: #6c757d;
  --white: #ffffff;
  --radius: 6px;
  --shadow: 0 10px 30px rgba(31, 38, 46, 0.12);
  --font-head: "Barlow", "Arial Narrow", sans-serif;
  --font-body: "Inter", system-ui, -apple-system, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 90px; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
  color: var(--fg);
  background: var(--bg);
}
@media (min-width: 900px) { body { font-size: 18px; } }

h1, h2, h3, h4 {
  font-family: var(--font-head);
  line-height: 1.15;
  margin: 0 0 0.5em;
  color: var(--primary);
  font-weight: 700;
}
h1 { font-size: clamp(2rem, 5vw, 3.4rem); letter-spacing: -0.01em; }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.5rem); }
p { margin: 0 0 1em; }
img { max-width: 100%; display: block; }
a { color: var(--accent-dark); }
a:focus-visible, button:focus-visible, select:focus-visible, input:focus-visible, textarea:focus-visible, summary:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
}

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section { padding: 80px 0; }
@media (min-width: 900px) { .section { padding: 100px 0; } }
.section-kicker {
  font-family: var(--font-head);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.85rem;
  color: var(--accent-dark);
  margin-bottom: 0.6em;
}
.section-intro { max-width: 720px; color: var(--muted); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.05rem;
  text-decoration: none;
  border: 2px solid transparent;
  border-radius: var(--radius);
  padding: 14px 26px;
  min-height: 48px;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.15s ease, color 0.15s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn-accent { background: var(--accent); color: var(--primary); }
.btn-accent:hover { background: #f8871f; }
.btn-outline-light { background: transparent; color: var(--white); border-color: rgba(255,255,255,0.5); }
.btn-outline-light:hover { border-color: var(--accent); color: var(--accent); }
.btn-outline-dark { background: transparent; color: var(--primary); border-color: var(--primary); }
.btn-outline-dark:hover { color: var(--accent-dark); border-color: var(--accent-dark); }
.btn svg { flex: none; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: var(--primary);
  border-bottom: 3px solid var(--accent);
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 20px;
  min-height: 74px;
  padding: 8px 0;
}
.logo-link { display: inline-flex; align-items: center; }
/* keep logo: hotlinked, colors untouched, aspect ratio preserved */
.logo-link img { width: auto; max-height: 48px; }
.main-nav { margin-left: auto; }
.main-nav ul { list-style: none; display: flex; gap: 6px; margin: 0; padding: 0; }
.main-nav a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 8px 14px;
  color: #e6e9ec;
  text-decoration: none;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 1rem;
  border-radius: var(--radius);
}
.main-nav a:hover, .main-nav a[aria-current="page"] { color: var(--accent); }
.header-phone {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent);
  color: var(--primary);
  font-family: var(--font-head);
  font-weight: 700;
  text-decoration: none;
  padding: 10px 16px;
  min-height: 44px;
  border-radius: var(--radius);
  white-space: nowrap;
}
.header-phone:hover { background: #f8871f; }
.nav-toggle {
  display: none;
  margin-left: auto;
  background: none;
  border: 2px solid rgba(255,255,255,0.4);
  border-radius: var(--radius);
  color: var(--white);
  width: 48px;
  height: 48px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
}
@media (max-width: 860px) {
  .nav-toggle { display: inline-flex; }
  .main-nav {
    position: absolute;
    top: 100%; /* header is the containing block — no banner math */
    left: 0;
    right: 0;
    margin-left: 0;
    background: var(--primary);
    border-bottom: 3px solid var(--accent);
    display: none;
    padding: 8px 24px 16px;
  }
  .main-nav.open { display: block; }
  .main-nav ul { flex-direction: column; gap: 0; }
  .main-nav a { width: 100%; padding: 12px 8px; }
  .header-phone span.phone-label { display: none; }
}

/* ---------- Hero ---------- */
.hero {
  background: var(--primary);
  color: var(--white);
  position: relative;
  overflow: hidden;
}
.hero::after {
  /* subtle industrial line pattern, no gradient */
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(115deg, rgba(255,255,255,0.03) 0 2px, transparent 2px 90px);
  pointer-events: none;
}
.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 48px;
  padding: 64px 0 80px;
}
@media (min-width: 960px) {
  .hero-inner { grid-template-columns: 1.1fr 0.9fr; align-items: center; min-height: 78vh; }
}
.hero h1 { color: var(--white); }
.hero h1 .accent { color: var(--accent); }
.hero-sub { font-size: 1.1rem; color: #c9ced4; max-width: 34em; }
.hero-ctas { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 28px; }
.hero-photo {
  margin-top: 36px;
  max-width: 320px;
  border-radius: var(--radius);
  overflow: hidden;
}
.hero-photo img { width: 100%; height: 100%; object-fit: contain; }
.hero-photo-caption { font-size: 0.85rem; color: #9aa1a9; margin-top: 8px; }

/* Checker card */
.checker-card {
  background: var(--white);
  color: var(--fg);
  border-radius: 10px;
  box-shadow: var(--shadow);
  padding: 32px 28px;
  animation: card-in 0.6s ease both;
}
@keyframes card-in {
  from { opacity: 0.55; transform: translateY(14px); }
  to { opacity: 1; transform: translateY(0); }
}
.checker-card h2 { font-size: 1.4rem; margin-bottom: 4px; }
.checker-card .checker-note { color: var(--muted); font-size: 0.95rem; }
.field { margin-bottom: 16px; }
.field label {
  display: block;
  font-family: var(--font-head);
  font-weight: 600;
  margin-bottom: 6px;
}
.field select, .field input, .field textarea {
  width: 100%;
  font: inherit;
  padding: 12px 14px;
  min-height: 48px;
  border: 1px solid #c6ccd2;
  border-radius: var(--radius);
  background: var(--white);
  color: var(--fg);
}
.field textarea { min-height: 120px; resize: vertical; }
.checker-result { border-radius: var(--radius); padding: 18px; margin-top: 6px; display: none; }
.checker-result.visible { display: flex; gap: 14px; align-items: flex-start; animation: card-in 0.4s ease both; }
.checker-result .result-icon { flex: none; width: 44px; height: 44px; }
.checker-result h3 { margin-bottom: 6px; font-size: 1.15rem; }
.checker-result p { margin-bottom: 12px; font-size: 0.95rem; }
.checker-result.ok { background: #eef7ee; border: 1px solid #bfe0c0; }
.checker-result.ok h3 { color: #1d6b25; }
.checker-result.nok { background: var(--secondary); border: 1px solid #d3d8de; }
.micro-trust {
  margin-top: 18px;
  font-size: 0.88rem;
  color: var(--muted);
  border-top: 1px solid var(--secondary);
  padding-top: 14px;
}

/* ---------- Trust strip ---------- */
.trust-strip { background: var(--secondary); padding: 48px 0; }
.trust-grid { display: grid; gap: 28px; grid-template-columns: 1fr; }
@media (min-width: 640px) { .trust-grid { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1000px) { .trust-grid { grid-template-columns: repeat(4, 1fr); } }
.trust-item { display: flex; gap: 14px; align-items: flex-start; }
.trust-item .trust-icon { flex: none; width: 40px; height: 40px; color: var(--accent-dark); }
.trust-item .trust-icon img { width: 100%; height: 100%; object-fit: contain; }
.trust-item strong {
  display: block;
  font-family: var(--font-head);
  font-size: 1.15rem;
  color: var(--primary);
  line-height: 1.2;
}
.trust-item span { color: var(--muted); font-size: 0.92rem; }

/* ---------- Services / systems ---------- */
.split { display: grid; gap: 40px; }
@media (min-width: 900px) { .split { grid-template-columns: 1fr 1fr; align-items: center; } }
.figure-frame {
  border-radius: 10px;
  overflow: hidden;
  background: var(--white);
  border: 1px solid #e2e5e9;
  aspect-ratio: 4 / 3;
}
.figure-frame img { width: 100%; height: 100%; object-fit: cover; }
.figure-frame.contain img { object-fit: contain; padding: 16px; }
.check-list { list-style: none; padding: 0; margin: 0 0 1.2em; }
.check-list li { display: flex; gap: 12px; margin-bottom: 12px; align-items: flex-start; }
.check-list svg { flex: none; margin-top: 3px; color: var(--accent-dark); }

.system-grid { display: grid; gap: 20px; grid-template-columns: 1fr 1fr; margin-top: 40px; }
@media (min-width: 900px) { .system-grid { grid-template-columns: repeat(4, 1fr); } }
.system-card {
  background: var(--white);
  border: 1px solid #e2e5e9;
  border-radius: var(--radius);
  padding: 20px;
  text-align: center;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.system-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.system-card .system-logo { height: 64px; display: flex; align-items: center; justify-content: center; margin-bottom: 12px; }
.system-card .system-logo img { max-height: 100%; width: auto; max-width: 100%; }
.system-card .system-wordmark {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--primary);
  letter-spacing: 0.06em;
}
.system-card p { font-size: 0.88rem; color: var(--muted); margin: 0; }

/* ---------- Calculator ---------- */
.calc-section { background: var(--primary); color: var(--white); }
.calc-section h2, .calc-section h3 { color: var(--white); }
.calc-section .section-kicker { color: var(--accent); }
.calc-section .section-intro { color: #c9ced4; }
.calc-grid { display: grid; gap: 40px; margin-top: 40px; }
@media (min-width: 960px) { .calc-grid { grid-template-columns: 0.9fr 1.1fr; } }
.calc-card { background: var(--white); color: var(--fg); border-radius: 10px; padding: 28px; box-shadow: var(--shadow); }
.calc-card .field label span { font-weight: 400; color: var(--muted); font-size: 0.85rem; }
.calc-note { font-size: 0.85rem; color: var(--muted); margin: 0; }
.calc-result-line {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(1.3rem, 3vw, 1.9rem);
  line-height: 1.25;
  margin-bottom: 20px;
}
.calc-result-line output { color: var(--accent); }
.calc-table { width: 100%; border-collapse: collapse; font-size: 0.95rem; }
.calc-table th, .calc-table td { text-align: right; padding: 10px 12px; border-bottom: 1px solid rgba(255,255,255,0.15); }
.calc-table th { font-family: var(--font-head); font-weight: 600; color: #c9ced4; }
.calc-table td:first-child, .calc-table th:first-child { text-align: left; }
.calc-table .diff { color: var(--accent); font-weight: 600; }
.calc-photo { margin-top: 28px; border-radius: var(--radius); overflow: hidden; aspect-ratio: 16 / 7; }
.calc-photo img { width: 100%; height: 100%; object-fit: cover; }

/* ---------- Werkwijze ---------- */
.steps { display: grid; gap: 24px; margin-top: 40px; counter-reset: step; }
@media (min-width: 900px) { .steps { grid-template-columns: repeat(3, 1fr); } }
.step {
  background: var(--white);
  border: 1px solid #e2e5e9;
  border-radius: 10px;
  padding: 28px 24px;
  position: relative;
}
.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--primary);
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.3rem;
  margin-bottom: 16px;
}
.step .duration {
  display: inline-block;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.85rem;
  background: var(--secondary);
  border-radius: 999px;
  padding: 4px 12px;
  margin-bottom: 10px;
  color: var(--primary);
}
.werkwijze-photo { margin-top: 48px; border-radius: 10px; overflow: hidden; aspect-ratio: 21 / 9; }
.werkwijze-photo img { width: 100%; height: 100%; object-fit: cover; }

/* ---------- CNG teaser ---------- */
.cng-teaser { background: var(--secondary); }
.stat-grid { display: grid; gap: 20px; grid-template-columns: 1fr 1fr; margin: 32px 0; }
@media (min-width: 900px) { .stat-grid { grid-template-columns: repeat(4, 1fr); } }
.stat {
  background: var(--white);
  border-radius: var(--radius);
  border: 1px solid #e2e5e9;
  padding: 20px;
}
.stat strong {
  display: block;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.9rem;
  color: var(--accent-dark);
}
.stat span { color: var(--muted); font-size: 0.9rem; }

/* ---------- FAQ ---------- */
.faq-list { max-width: 820px; margin-top: 32px; }
.faq-item {
  background: var(--white);
  border: 1px solid #e2e5e9;
  border-radius: var(--radius);
  margin-bottom: 12px;
}
.faq-item summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 18px 20px;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 1.1rem;
  color: var(--primary);
  min-height: 48px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  font-size: 1.5rem;
  color: var(--accent-dark);
  flex: none;
  line-height: 1;
}
.faq-item[open] summary::after { content: "\2212"; }
.faq-item .faq-body { padding: 0 20px 18px; color: var(--fg); }
.faq-cta { margin-top: 32px; }

/* ---------- Contact ---------- */
.contact-grid { display: grid; gap: 48px; margin-top: 40px; }
@media (min-width: 960px) { .contact-grid { grid-template-columns: 1.1fr 0.9fr; } }
.contact-card { background: var(--white); border: 1px solid #e2e5e9; border-radius: 10px; padding: 32px 28px; }
.form-privacy-note { font-size: 0.85rem; color: var(--muted); margin: 14px 0 0; }
.contact-details { list-style: none; padding: 0; margin: 0 0 24px; }
.contact-details li { display: flex; gap: 12px; margin-bottom: 14px; align-items: flex-start; }
.contact-details svg { flex: none; margin-top: 3px; color: var(--accent-dark); }
.contact-details a { color: var(--fg); text-decoration: none; font-weight: 600; }
.contact-details a:hover { color: var(--accent-dark); }
.hours-block {
  background: var(--secondary);
  border-radius: var(--radius);
  padding: 18px 20px;
  font-size: 0.95rem;
  color: var(--muted);
  margin-bottom: 24px;
}
.map-frame { border-radius: 10px; overflow: hidden; min-height: 320px; background: var(--secondary); }
.map-frame > div { width: 100%; height: 100%; min-height: 320px; }

/* ---------- Page hero (subpages) ---------- */
.page-hero { background: var(--primary); color: var(--white); padding: 64px 0; }
.page-hero h1 { color: var(--white); margin-bottom: 0.2em; }
.page-hero p { color: #c9ced4; max-width: 40em; margin: 0; }

/* ---------- Footer ---------- */
.site-footer { background: var(--primary); color: #c9ced4; padding: 64px 0 32px; }
.footer-grid { display: grid; gap: 40px; margin-bottom: 40px; }
@media (min-width: 800px) { .footer-grid { grid-template-columns: 1.2fr 1fr 1fr; } }
.site-footer h3 { color: var(--white); font-size: 1.1rem; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin-bottom: 10px; }
.site-footer a { color: #c9ced4; text-decoration: none; }
.site-footer a:hover { color: var(--accent); }
.footer-brand img { width: auto; max-height: 44px; margin-bottom: 16px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.12);
  padding-top: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  justify-content: space-between;
  font-size: 0.85rem;
  color: #8b929a;
}
.footer-bottom a { color: #8b929a; }
.powered-by a { color: #8b929a; text-decoration: underline; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}