/* ============================================
   AVYclima - Klimaatcomfort op maat
   CSS Stylesheet
   ============================================ */

/* --- Skip to Content (Accessibility) --- */
.skip-to-content {
  position: absolute;
  top: -100%;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary);
  color: white;
  padding: 0.75rem 1.5rem;
  border-radius: 0 0 8px 8px;
  z-index: 10000;
  font-weight: 600;
  text-decoration: none;
  transition: top 0.2s;
}

.skip-to-content:focus {
  top: 0;
}

/* --- Focus Styles (Accessibility) --- */
*:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
}

/* --- CSS Custom Properties --- */
/* Aligned to live avyclima.be brand on 2026-05-02 — see skills/avyclima-site-edits/references/brand-identity.md */
:root {
  /* Brand Colors — monochrome ink + single cyan accent (matches live) */
  --primary: #3a3a3a;          /* dark ink — main filled buttons, links, theme-color */
  --primary-dark: #2a2a2a;     /* darker ink for hover */
  --primary-light: #f7f9fa;    /* off-white surface — replaces old blue tint */
  --accent: #54d2eb;           /* live cyan — the only chromatic accent */
  --accent-dark: #3fc0db;      /* darker cyan for hover */
  --white: #ffffff;
  --gray-50: #f7f9fa;
  --gray-100: #f1f3f5;
  --gray-200: #e9ecef;
  --gray-300: #dee2e6;
  --gray-400: #adb5bd;
  --gray-500: #6c757d;
  --gray-600: #5e5e5e;
  --gray-700: #404040;
  --gray-800: #3a3a3a;
  --success: #28a745;
  --warning: #f0ad4e;
  --danger: #dc3545;

  /* Typography — Montserrat per live brand */
  --font-body: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Arial, sans-serif;
  --font-heading: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Arial, sans-serif;

  /* Spacing */
  --section-padding: 5rem 0;
  --container-width: 1200px;
  --border-radius: 12px;       /* matches dominant live radius */
  --border-radius-lg: 16px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
  --shadow-lg: 0 8px 30px rgba(0,0,0,0.12);

  /* Transitions */
  --transition: all 0.3s ease;
}

/* --- Reset & Base --- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  color: var(--gray-800);
  line-height: 1.7;
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--primary);
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  color: var(--primary-dark);
}

ul, ol {
  list-style: none;
}

/* --- Utility Classes --- */
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: var(--section-padding);
}

.section--gray {
  background: var(--gray-50);
}

.section--primary {
  background: var(--primary);
  color: var(--white);
}

.section--primary-light {
  background: var(--primary-light);
}

.text-center {
  text-align: center;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--gray-800);
  line-height: 1.3;
  font-weight: 700;
}

h1 { font-size: 2.5rem; margin-bottom: 1rem; }
h2 { font-size: 2rem; margin-bottom: 0.75rem; }
h3 { font-size: 1.5rem; margin-bottom: 0.5rem; }
h4 { font-size: 1.25rem; margin-bottom: 0.5rem; }

p {
  margin-bottom: 1rem;
}

.section-title {
  text-align: center;
  margin-bottom: 3rem;
}

.section-title h2 {
  position: relative;
  display: inline-block;
  padding-bottom: 0.75rem;
}

.section-title h2::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: var(--accent);
  border-radius: 2px;
}

.section-title p {
  color: var(--gray-500);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 1rem auto 0;
}

.section--primary .section-title h2,
.section--primary .section-title p {
  color: var(--white);
}

.section--primary .section-title h2::after {
  background: var(--accent);
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 1.75rem;
  border: none;
  border-radius: var(--border-radius);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  line-height: 1.4;
}

.btn--primary {
  background: var(--primary);
  color: var(--white);
}

.btn--primary:hover {
  background: var(--primary-dark);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn--accent {
  background: var(--accent);
  color: var(--white);
}

.btn--accent:hover {
  background: var(--accent-dark);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn--outline {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
}

.btn--outline:hover {
  background: var(--primary);
  color: var(--white);
  transform: translateY(-2px);
}

.btn--outline-white {
  background: transparent;
  color: var(--white);
  border: 2px solid var(--white);
}

.btn--outline-white:hover {
  background: var(--white);
  color: var(--primary);
  transform: translateY(-2px);
}

.btn--white {
  background: var(--white);
  color: var(--primary);
}

.btn--white:hover {
  background: var(--gray-100);
  color: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn--lg {
  padding: 1rem 2.25rem;
  font-size: 1.1rem;
}

.btn--sm {
  padding: 0.5rem 1.25rem;
  font-size: 0.9rem;
}

.btn-group {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* --- Header & Navigation --- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--gray-200);
  transition: var(--transition);
}

.header--scrolled {
  box-shadow: var(--shadow-sm);
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  line-height: 0;
}

.logo img {
  display: block;
  height: 40px;          /* fits the 72px header with 16px breathing room top/bottom */
  width: auto;
  max-width: 100%;
}

@media (max-width: 480px) {
  .logo img { height: 32px; }
}

.nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav a {
  padding: 0.5rem 0.85rem;
  color: var(--gray-600);
  font-weight: 500;
  font-size: 0.95rem;
  border-radius: var(--border-radius);
  transition: var(--transition);
}

/* Calculator nav-link met cyan accent — staat tussen Warmtepomp en Onderhoud */
.nav a.nav-link--accent {
  color: var(--accent-dark);
  font-weight: 700;
}

.nav a.nav-link--accent::before {
  content: "📊 ";
  font-size: 0.85em;
}

.nav a.nav-link--accent:hover {
  color: var(--accent);
}

.nav a:hover,
.nav a.active {
  color: var(--primary);
  background: var(--primary-light);
}

.nav-cta {
  margin-left: 0.5rem;
}

.nav-phone {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-weight: 600;
  color: var(--primary) !important;
  background: none !important;
}

.nav-phone:hover {
  color: var(--primary-dark) !important;
}

/* Mobile Navigation */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.75rem;
  min-width: 44px;
  min-height: 44px;
  align-items: center;
  justify-content: center;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--gray-700);
  margin: 5px 0;
  transition: var(--transition);
  border-radius: 2px;
}

.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* --- Hero Section ---
   Live brand pattern: a dark gray (#3a3a3a @ 80%) overlay over a hero JPEG.
   Default hero photo: images/hero.jpg (Daikin rooftop unit).
   Per-page override: add class="hero-over-ons" to <body> to swap in a different photo.
*/
.hero {
  padding: 8rem 0 5rem;
  background-color: var(--primary);
  background-image:
    linear-gradient(rgba(58, 58, 58, 0.8), rgba(58, 58, 58, 0.8)),
    url("../images/hero.jpg");
  background-size: cover;
  background-position: center;
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.hero .container {
  position: relative;
  z-index: 1;
}

.hero h1 {
  color: var(--white);
  font-size: 3rem;
  max-width: 700px;
  margin-bottom: 1.25rem;
}

.hero p {
  font-size: 1.2rem;
  max-width: 600px;
  opacity: 0.9;
  margin-bottom: 2rem;
  line-height: 1.8;
}

.hero .btn-group {
  margin-top: 0.5rem;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255,255,255,0.15);
  padding: 0.5rem 1rem;
  border-radius: 50px;
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
  backdrop-filter: blur(5px);
}

/* Page Hero (for subpages) — same photo+overlay pattern, shorter, centered.
   Per-page override: add a body class that points at a different photo (see below).
*/
.page-hero {
  padding: 8rem 0 3rem;
  background-color: var(--primary);
  background-image:
    linear-gradient(rgba(58, 58, 58, 0.8), rgba(58, 58, 58, 0.8)),
    url("../images/hero.jpg");
  background-size: cover;
  background-position: center;
  color: var(--white);
  text-align: center;
}

/* Per-page hero override: about-us page uses the van+building photo instead. */
body.hero-over-ons .hero,
body.hero-over-ons .page-hero {
  background-image:
    linear-gradient(rgba(58, 58, 58, 0.8), rgba(58, 58, 58, 0.8)),
    url("../images/hero-over-ons.jpg");
}

.page-hero h1 {
  color: var(--white);
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.page-hero p {
  font-size: 1.15rem;
  opacity: 0.9;
  max-width: 600px;
  margin: 0 auto;
}

.breadcrumb {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
  font-size: 0.9rem;
  opacity: 0.8;
}

.breadcrumb a {
  color: var(--white);
  opacity: 0.8;
}

.breadcrumb a:hover {
  opacity: 1;
  color: var(--white);
}

.breadcrumb span {
  opacity: 0.6;
}

/* --- Cards --- */
.card {
  background: var(--white);
  border-radius: var(--border-radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
  transition: var(--transition);
}

.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.card-icon {
  width: 56px;
  height: 56px;
  background: var(--primary-light);
  border-radius: var(--border-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  font-size: 1.5rem;
  color: var(--primary);
}

.card h3 {
  margin-bottom: 0.75rem;
}

.card p {
  color: var(--gray-500);
  font-size: 0.95rem;
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin-top: 1rem;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--primary);
}

.card-link:hover {
  gap: 0.6rem;
}

/* --- Grid Layouts --- */
.grid {
  display: grid;
  gap: 2rem;
}

.grid--2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2rem; }
.grid--3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
.grid--4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }

/* --- Region cards (homepage primary-region quick links) --- */
.region-cards-block .grid--3 { gap: 1.5rem; }
.region-card {
  display: block;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--border-radius-lg);
  padding: 2rem 1.5rem;
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}
.region-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--accent);
  color: inherit;
}
.region-card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
  color: var(--gray-800);
}
.region-card p {
  font-size: 0.95rem;
  line-height: 1.5;
  color: var(--gray-600);
  margin: 0 0 1rem;
}
.region-card__cta {
  font-weight: 600;
  color: var(--primary);
  font-size: 0.95rem;
}
.region-card:hover .region-card__cta { color: var(--accent-dark); }

/* --- Trust block (homepage "Waarom AVYclima" cards) --- */
.trust-block .section-title { margin-bottom: 0.5rem; }
.trust-block .section-subtitle {
  text-align: center;
  color: var(--gray-600);
  margin-bottom: 3rem;
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}
.trust-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--border-radius-lg);
  padding: 2rem 1.5rem;
  text-align: left;
  transition: var(--transition);
}
.trust-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--accent);
}
.trust-card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 12px;
  background: rgba(84, 210, 235, 0.12);
  color: var(--accent);
  margin-bottom: 1.25rem;
}
.trust-card h3 {
  font-size: 1.15rem;
  margin-bottom: 0.75rem;
  color: var(--gray-800);
}
.trust-card p {
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--gray-600);
  margin: 0;
}

@media (max-width: 960px) {
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 540px) {
  .grid--4 { grid-template-columns: 1fr; }
}

.grid--center {
  align-items: center;
}

/* --- Services Section --- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

/* --- Process / Steps --- */
.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  counter-reset: step;
}

.process-step {
  text-align: center;
  position: relative;
}

.process-step::before {
  counter-increment: step;
  content: counter(step);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: var(--primary);
  color: var(--white);
  border-radius: 50%;
  font-weight: 700;
  font-size: 1.1rem;
  margin: 0 auto 1.25rem;
}

.process-step h3 {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

.process-step p {
  font-size: 0.9rem;
  color: var(--gray-500);
}

/* --- USP / Features Bar --- */
.usp-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.usp-item {
  text-align: center;
  padding: 1.5rem 1rem;
}

.usp-item .icon {
  font-size: 2rem;
  margin-bottom: 0.75rem;
  display: block;
}

.usp-item h3 {
  font-size: 1rem;
  margin-bottom: 0.35rem;
}

.usp-item p {
  font-size: 0.85rem;
  color: var(--gray-500);
  margin: 0;
}

.section--primary .usp-item h3,
.section--primary .usp-item p {
  color: var(--white);
}

.section--primary .usp-item p {
  opacity: 0.8;
}

/* --- CTA Section --- */
.cta-section {
  padding: 4rem 0;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: var(--white);
  text-align: center;
}

.cta-section h2 {
  color: var(--white);
  font-size: 2rem;
  margin-bottom: 1rem;
}

.cta-section p {
  font-size: 1.1rem;
  opacity: 0.9;
  max-width: 550px;
  margin: 0 auto 2rem;
}

/* --- FAQ Accordion --- */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border: 1px solid var(--gray-200);
  border-radius: var(--border-radius);
  margin-bottom: 0.75rem;
  background: var(--white);
  overflow: hidden;
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--gray-700);
  text-align: left;
  transition: var(--transition);
  font-family: var(--font-body);
}

.faq-question:hover {
  color: var(--primary);
}

.faq-question::after {
  content: '+';
  font-size: 1.5rem;
  font-weight: 300;
  color: var(--primary);
  transition: var(--transition);
  flex-shrink: 0;
  margin-left: 1rem;
}

.faq-item.active .faq-question::after {
  content: '\2212';
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
}

.faq-item.active .faq-answer {
  max-height: 500px;
}

.faq-answer-inner {
  padding: 0 1.5rem 1.25rem;
  color: var(--gray-600);
  line-height: 1.7;
}

/* --- Contact Form --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.4rem;
  color: var(--gray-700);
  font-size: 0.95rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--gray-300);
  border-radius: var(--border-radius);
  font-size: 1rem;
  font-family: var(--font-body);
  transition: var(--transition);
  background: var(--white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0, 87, 168, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.form-success-banner {
  background: #d4edda;
  color: #155724;
  border: 1px solid #c3e6cb;
  border-radius: var(--border-radius);
  padding: 1.5rem 2rem;
  margin-bottom: 1.5rem;
  font-size: 1.05rem;
  line-height: 1.6;
}

/* Team Cards */
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  justify-items: center;
}

.team-card {
  background: var(--white);
  border-radius: var(--border-radius);
  padding: 2rem;
  text-align: center;
  box-shadow: var(--shadow-sm);
  max-width: 400px;
}

.team-photo-placeholder {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: var(--gray-100);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  margin: 0 auto 1.5rem;
}

.team-role {
  color: var(--primary);
  font-weight: 600;
  margin-bottom: 1rem;
}

.team-certs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
  margin-top: 1rem;
}

.cert-badge {
  background: var(--primary);
  color: var(--white);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.3rem 0.75rem;
  border-radius: 1rem;
}

/* Testimonial Cards */
.testimonial-card {
  background: var(--white);
  border-radius: var(--border-radius);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 1rem;
  border-top: 3px solid var(--accent);
}

.testimonial-stars {
  color: #f5a623;
  font-size: 1.2rem;
  letter-spacing: 2px;
}

.testimonial-text {
  font-style: italic;
  color: var(--gray-700);
  line-height: 1.7;
  flex: 1;
}

.testimonial-author {
  font-size: 0.95rem;
  color: var(--gray-600);
}

.testimonial-author strong {
  color: var(--gray-800);
}

.testimonial-service {
  display: block;
  font-size: 0.85rem;
  color: var(--primary);
  margin-top: 0.25rem;
}

/* Testimonial Quote Block (service pages) */
.testimonial-highlight {
  background: var(--gray-50);
}

.testimonial-quote {
  margin: 0;
  padding: 0;
  border: none;
  font-style: normal;
}

.testimonial-quote .testimonial-stars {
  font-size: 1.5rem;
  color: #f59e0b;
  margin-bottom: 1rem;
}

.testimonial-quote p {
  font-size: 1.15rem;
  line-height: 1.8;
  color: var(--gray-700);
  font-style: italic;
  margin-bottom: 1rem;
}

.testimonial-quote cite {
  font-style: normal;
  font-size: 0.95rem;
  color: var(--gray-600);
}

.testimonial-service-tag {
  display: inline-block;
  background: var(--primary);
  color: white;
  font-size: 0.8rem;
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
  margin-left: 0.5rem;
  vertical-align: middle;
}

/* Contact Info Cards */
.contact-info {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.contact-card {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  padding: 1.25rem;
  background: var(--gray-50);
  border-radius: var(--border-radius);
}

.contact-card .icon {
  width: 44px;
  height: 44px;
  background: var(--primary-light);
  border-radius: var(--border-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  color: var(--primary);
  flex-shrink: 0;
}

.contact-card h4 {
  font-size: 0.95rem;
  margin-bottom: 0.2rem;
}

.contact-card p {
  font-size: 0.9rem;
  color: var(--gray-500);
  margin: 0;
}

.contact-card a {
  color: var(--primary);
  font-weight: 600;
}

/* --- Blog Cards --- */
.blog-card {
  background: var(--white);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  border: 1px solid var(--gray-200);
  transition: var(--transition);
}

.blog-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.blog-card-img {
  height: 200px;
  background: linear-gradient(135deg, var(--primary-light) 0%, var(--gray-100) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
}

.blog-card-body {
  padding: 1.5rem;
}

.blog-card-meta {
  font-size: 0.85rem;
  color: var(--gray-400);
  margin-bottom: 0.75rem;
}

.blog-card-body h3 {
  font-size: 1.15rem;
  margin-bottom: 0.5rem;
}

.blog-card-body h3 a {
  color: var(--gray-800);
}

.blog-card-body h3 a:hover {
  color: var(--primary);
}

.blog-card-body p {
  font-size: 0.9rem;
  color: var(--gray-500);
}

.blog-tag {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  background: var(--primary-light);
  color: var(--primary);
  border-radius: 4px;
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

/* --- About Page --- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.about-image {
  background: linear-gradient(135deg, var(--primary-light) 0%, var(--gray-100) 100%);
  border-radius: var(--border-radius-lg);
  height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  text-align: center;
}

.stat-item h3 {
  font-size: 2.5rem;
  color: var(--primary);
  margin-bottom: 0.25rem;
}

.stat-item p {
  color: var(--gray-500);
  font-size: 0.95rem;
}

.cert-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.cert-card {
  text-align: center;
  padding: 2rem 1.5rem;
  background: var(--white);
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--gray-200);
}

.cert-card .icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  display: block;
}

.cert-card h3 {
  font-size: 1.05rem;
  margin-bottom: 0.5rem;
}

.cert-card p {
  font-size: 0.9rem;
  color: var(--gray-500);
  margin: 0;
}

/* --- Service Detail --- */
.service-detail-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 3rem;
  align-items: start;
}

.service-content h2 {
  margin-top: 2.5rem;
  margin-bottom: 1rem;
}

.service-content h2:first-child {
  margin-top: 0;
}

.service-content ul {
  margin-bottom: 1.5rem;
  padding-left: 0;
}

.service-content ul li {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: 0.5rem;
  color: var(--gray-600);
}

.service-content ul li::before {
  content: '\2713';
  position: absolute;
  left: 0;
  color: var(--success);
  font-weight: 700;
}

.service-sidebar {
  position: sticky;
  top: 100px;
}

.sidebar-card {
  background: var(--gray-50);
  border-radius: var(--border-radius-lg);
  padding: 2rem;
  border: 1px solid var(--gray-200);
  margin-bottom: 1.5rem;
}

.sidebar-card h3 {
  font-size: 1.15rem;
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 2px solid var(--primary-light);
}

.sidebar-card ul li {
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--gray-200);
  font-size: 0.95rem;
}

.sidebar-card ul li:last-child {
  border-bottom: none;
}

.sidebar-card ul li a {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--gray-600);
}

.sidebar-card ul li a:hover {
  color: var(--primary);
}

.sidebar-cta {
  background: var(--primary);
  color: var(--white);
  text-align: center;
}

.sidebar-cta h3 {
  color: var(--white);
  border-bottom-color: rgba(255,255,255,0.2);
}

.sidebar-cta p {
  color: rgba(255,255,255,0.85);
  font-size: 0.95rem;
}

.sidebar-cta .btn {
  width: 100%;
  justify-content: center;
  margin-top: 0.5rem;
}

/* --- Pricing Factors --- */
.pricing-factors {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.pricing-factor {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 1rem;
  background: var(--gray-50);
  border-radius: var(--border-radius);
}

.pricing-factor .icon {
  font-size: 1.25rem;
  flex-shrink: 0;
  margin-top: 0.1rem;
}

.pricing-factor h4 {
  font-size: 0.95rem;
  margin-bottom: 0.2rem;
}

.pricing-factor p {
  font-size: 0.85rem;
  color: var(--gray-500);
  margin: 0;
}

/* --- Comparison Table --- */
.comparison-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  border: 1px solid var(--gray-200);
  margin: 2rem 0;
}

.comparison-table thead th {
  background: var(--primary);
  color: var(--white);
  padding: 1rem 1.25rem;
  text-align: left;
  font-weight: 600;
}

.comparison-table tbody td {
  padding: 0.85rem 1.25rem;
  border-bottom: 1px solid var(--gray-200);
  font-size: 0.95rem;
}

.comparison-table tbody tr:last-child td {
  border-bottom: none;
}

.comparison-table tbody tr:nth-child(even) {
  background: var(--gray-50);
}

/* --- Werkgebied / Service Area --- */
.werkgebied-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
}

.werkgebied-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.75rem;
  background: var(--primary-light);
  border-radius: var(--border-radius);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--primary);
}

/* --- Footer --- */
.footer {
  background: var(--gray-800);
  color: var(--gray-300);
  padding: 4rem 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  padding-bottom: 3rem;
}

.footer h4 {
  color: var(--white);
  font-size: 1rem;
  margin-bottom: 1.25rem;
  font-weight: 600;
}

.footer-about .logo {
  color: var(--white);
  margin-bottom: 1rem;
}

.footer-about p {
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--gray-400);
}

/* Defensive: any link inside the dark footer paragraph stays readable.
   Without this, links inherit the global `a { color: var(--primary) }` rule,
   which is #3a3a3a — exactly the footer background. Caught by QA check
   `check_dark_footer_links` in scripts/site_qa.py. */
.footer-about p a,
.footer-bottom p a {
  color: var(--accent);
  text-decoration: underline;
}
.footer-about p a:hover,
.footer-bottom p a:hover {
  color: var(--accent-dark);
}

.footer-links a {
  display: block;
  padding: 0.35rem 0;
  color: var(--gray-400);
  font-size: 0.9rem;
}

.footer-links a:hover {
  color: var(--white);
}

.footer-contact p {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  color: var(--gray-400);
  margin-bottom: 0.5rem;
}

.footer-contact a {
  color: var(--gray-400);
}

.footer-contact a:hover {
  color: var(--white);
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 1.5rem 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--gray-500);
}

.footer-bottom a {
  color: var(--gray-500);
}

.footer-bottom a:hover {
  color: var(--white);
}

/* --- Responsive --- */
@media (max-width: 992px) {
  h1 { font-size: 2rem; }
  h2 { font-size: 1.75rem; }

  .hero h1 { font-size: 2.25rem; }

  .grid--3,
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .grid--4,
  .process-steps,
  .usp-bar { grid-template-columns: repeat(2, 1fr); }

  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }

  .service-detail-grid { grid-template-columns: 1fr; }
  .service-sidebar { position: static; }

  .contact-grid { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; }

  .werkgebied-list { grid-template-columns: repeat(2, 1fr); }
  .cert-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .nav {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    bottom: 0;
    /* Defensieve achtergrond: expliciete kleur i.p.v. shorthand */
    background-color: #ffffff;
    background-image: none;
    /* Hoge z-index — JS verhuist de nav bij open naar document.body
       zodat hij gegarandeerd in de root stacking context staat,
       los van header's backdrop-filter. */
    z-index: 1100;
    flex-direction: column;
    padding: 2rem;
    gap: 0.5rem;
    transform: translateX(100%);
    transition: var(--transition);
    border-top: 1px solid var(--gray-200);
    /* Scrollbaar als menu groter is dan viewport */
    overflow-y: auto;
  }

  .nav.active {
    transform: translateX(0);
  }

  .nav a {
    width: 100%;
    padding: 1rem 1.25rem;
    font-size: 1.05rem;
    min-height: 44px;
    display: flex;
    align-items: center;
  }

  .nav-cta {
    margin-left: 0;
    margin-top: 1rem;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .hero { padding: 7rem 0 3.5rem; }
  .page-hero { padding: 7rem 0 2.5rem; }
  .hero h1 { font-size: 2rem; }
  .page-hero h1 { font-size: 2rem; }
  .section { padding: 3.5rem 0; }

  .grid--2,
  .grid--3,
  .services-grid,
  .pricing-factors { grid-template-columns: 1fr; }

  .process-steps { grid-template-columns: 1fr; gap: 1.5rem; }
  .usp-bar { grid-template-columns: 1fr 1fr; }

  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 0.75rem; text-align: center; }

  .stats-grid { grid-template-columns: 1fr; gap: 1rem; }
  .cert-grid { grid-template-columns: 1fr; }
  .werkgebied-list { grid-template-columns: 1fr 1fr; }

  .btn-group {
    flex-direction: column;
    align-items: stretch;
  }

  .btn-group .btn {
    justify-content: center;
  }

  .form-row { grid-template-columns: 1fr; }

  .comparison-table {
    font-size: 0.85rem;
  }

  .comparison-table thead th,
  .comparison-table tbody td {
    padding: 0.65rem 0.75rem;
  }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 1.75rem; }
  .usp-bar { grid-template-columns: 1fr; }
  .werkgebied-list { grid-template-columns: 1fr; }
}

/* --- Animations --- */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* --- Cookie Banner --- */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--gray-800);
  color: var(--white);
  padding: 1.25rem;
  z-index: 9999;
  display: none;
  box-shadow: 0 -4px 12px rgba(0,0,0,0.2);
}

.cookie-banner.show {
  display: block;
}

.cookie-inner {
  max-width: var(--container-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.cookie-inner p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--gray-300);
}

.cookie-inner a {
  color: var(--accent);
}

.cookie-buttons {
  display: flex;
  gap: 0.75rem;
  flex-shrink: 0;
}

@media (max-width: 768px) {
  .cookie-inner {
    flex-direction: column;
    text-align: center;
  }
}

/* ============================================================================
   CALCULATOR — Kostenvergelijking warmtepomp
   Voegt styling toe voor kostenvergelijking-warmtepomp.html
   Conventie: alle calculator-classes beginnen met `.calc-`
   ============================================================================ */

.calc-section { padding: 3rem 0 5rem; }

.calc-grid {
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 2rem;
  align-items: start;
}

@media (max-width: 960px) {
  .calc-grid { grid-template-columns: 1fr; }
}

/* --- Form (linker kolom op desktop) --- */
.calc-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  background: var(--white);
  padding: 1.5rem;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 1rem;
}

@media (max-width: 960px) {
  .calc-form { position: static; }
}

.calc-fieldset {
  border: 0;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.calc-fieldset legend {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--gray-600);
  font-weight: 600;
  padding-bottom: 0.25rem;
  border-bottom: 1px solid var(--gray-200);
  width: 100%;
  margin-bottom: 0.25rem;
}

.calc-field { display: flex; flex-direction: column; gap: 0.35rem; }

.calc-field > label {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--gray-800);
}

.calc-field input[type="number"],
.calc-field select {
  padding: 0.55rem 0.75rem;
  border: 1px solid var(--gray-300);
  border-radius: 8px;
  font-family: inherit;
  font-size: 1rem;
  background: var(--white);
  color: var(--gray-800);
  transition: border-color 0.15s, box-shadow 0.15s;
}

.calc-field input[type="number"]:focus,
.calc-field select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(84, 210, 235, 0.25);
}

.calc-help {
  color: var(--gray-500);
  font-size: 0.82rem;
  line-height: 1.4;
}

.calc-unit { color: var(--gray-500); font-weight: 400; font-size: 0.85rem; }

/* Radio-toggle voor "vervangt volledig?" */
.calc-toggle {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.calc-toggle input[type="radio"] {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.calc-toggle label {
  display: block;
  padding: 0.55rem 0.75rem;
  border: 1px solid var(--gray-300);
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.92rem;
  transition: all 0.15s;
}

.calc-toggle input[type="radio"]:checked + label {
  background: var(--primary);
  color: var(--white);
  border-color: var(--primary);
}

.calc-toggle input[type="radio"]:focus-visible + label {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
}

/* Scenario slider */
.calc-field input[type="range"] {
  width: 100%;
  accent-color: var(--accent);
}

.calc-scenario-labels {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--gray-500);
  margin-top: 0.15rem;
}

.calc-disclaimer {
  font-size: 0.78rem;
  color: var(--gray-500);
  line-height: 1.45;
  padding-top: 0.75rem;
  border-top: 1px solid var(--gray-200);
  margin: 0;
}

/* --- Results (rechter kolom op desktop) --- */
.calc-results {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

/* PROMINENT premie-footnote bovenaan */
.calc-premie-footnote {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
  color: var(--white);
  padding: 1.25rem 1.5rem;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.calc-premie-icon {
  font-size: 1.75rem;
  line-height: 1;
  flex-shrink: 0;
}

.calc-premie-footnote p {
  margin: 0;
  line-height: 1.55;
}

.calc-premie-footnote p + p { margin-top: 0.4rem; }

.calc-premie-footnote a {
  color: var(--white);
  text-decoration: underline;
  font-weight: 600;
}

.calc-premie-footnote a:hover { text-decoration: none; }

/* KPI cards */
.calc-kpis {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

@media (max-width: 480px) {
  .calc-kpis { grid-template-columns: 1fr; }
}

.calc-kpi {
  background: var(--white);
  padding: 1rem 1.25rem;
  border-radius: var(--border-radius);
  border: 1px solid var(--gray-200);
  position: relative;
}

.calc-kpi-tag {
  position: absolute;
  top: 0.6rem;
  right: 0.75rem;
  font-size: 0.7rem;
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.calc-kpi-title {
  font-size: 0.88rem;
  color: var(--gray-600);
  font-weight: 600;
  margin: 0 0 0.4rem;
}

.calc-kpi-value {
  font-size: 1.7rem;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.15;
}

.calc-kpi-band {
  font-size: 0.78rem;
  color: var(--gray-500);
  margin-top: 0.3rem;
}

.calc-kpi-help {
  display: block;
  font-size: 0.75rem;
  color: var(--gray-500);
  margin-top: 0.5rem;
  line-height: 1.35;
}

/* --- Hero KPI's (kostenvergelijking-pivot, 4 cards in een rij) -------- */
.calc-kpis--hero {
  grid-template-columns: repeat(4, 1fr);
  margin-bottom: 1.25rem;
}

@media (max-width: 980px) {
  .calc-kpis--hero { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
  .calc-kpis--hero { grid-template-columns: 1fr; }
}

.calc-kpi--hero {
  text-align: left;
  padding: 1rem;
}

.calc-kpi-icon {
  font-size: 1.4rem;
  margin-bottom: 0.4rem;
  line-height: 1;
}

.calc-kpi--hero .calc-kpi-value {
  font-size: 1.5rem;
}

.calc-kpi--positive {
  border-color: rgba(40, 167, 69, 0.30);
  background: rgba(40, 167, 69, 0.04);
}

.calc-kpi--positive .calc-kpi-value {
  color: #28a745;
}

.calc-kpi--negative {
  border-color: rgba(220, 53, 69, 0.30);
  background: rgba(220, 53, 69, 0.04);
}

.calc-kpi--negative .calc-kpi-value {
  color: #dc3545;
}

/* --- Aandeel-slider --------------------------------------------------- */
.calc-field--share .calc-range-value {
  margin-top: 0.5rem;
  font-size: 0.95rem;
}

.calc-field--share .calc-range-value strong {
  color: var(--accent, #54d2eb);
  font-size: 1.1rem;
}

/* --- Collapsible Investeringsperspectief ------------------------------ */
.calc-collapsible {
  margin-top: 2rem;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--border-radius);
  overflow: hidden;
}

.calc-collapsible[open] {
  border-color: var(--gray-300);
}

.calc-collapsible-summary {
  padding: 1rem 1.25rem;
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 600;
  color: var(--gray-800);
  background: var(--gray-50, #f8f9fa);
  user-select: none;
  transition: background-color 120ms ease;
}

.calc-collapsible-summary::-webkit-details-marker { display: none; }
.calc-collapsible-summary::marker { content: ''; }

.calc-collapsible-summary:hover {
  background: var(--gray-100, #eef0f2);
}

.calc-collapsible-icon {
  font-size: 1.25rem;
}

.calc-collapsible-title {
  flex: 1;
}

.calc-collapsible-chevron {
  font-size: 1.25rem;
  color: var(--gray-500);
  transition: transform 200ms ease;
}

.calc-collapsible[open] .calc-collapsible-chevron {
  transform: rotate(180deg);
}

.calc-collapsible-body {
  padding: 1.25rem;
  border-top: 1px solid var(--gray-200);
}

.calc-collapsible-intro {
  margin: 0 0 1rem;
  color: var(--gray-700);
  font-size: 0.95rem;
}

.calc-collapsible-note {
  margin: 1rem 0 0;
  font-size: 0.85rem;
  color: var(--gray-600);
  font-style: italic;
}

/* Headings binnen resultaten */
.calc-h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--gray-800);
  margin: 0 0 0.75rem;
}

.calc-h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--gray-800);
  margin: 0 0 0.5rem;
}

/* Grafiek */
.calc-chart-wrap {
  background: var(--white);
  padding: 1.25rem;
  border-radius: var(--border-radius);
  border: 1px solid var(--gray-200);
}

.calc-chart {
  width: 100%;
  overflow: hidden;
}

.calc-svg { width: 100%; height: auto; display: block; }

.calc-chart-sub {
  font-size: 0.8rem;
  color: var(--gray-500);
  margin: 0.5rem 0 0;
  text-align: center;
}

/* Kosten-tabel */
.calc-cost-wrap {
  background: var(--white);
  padding: 1.25rem;
  border-radius: var(--border-radius);
  border: 1px solid var(--gray-200);
  overflow-x: auto;
}

.calc-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}

.calc-table th,
.calc-table td {
  padding: 0.6rem 0.5rem;
  text-align: left;
  border-bottom: 1px solid var(--gray-200);
}

.calc-table thead th {
  font-size: 0.78rem;
  color: var(--gray-600);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.calc-table tbody th {
  font-weight: 600;
  color: var(--gray-800);
}

.calc-pos { color: var(--success); font-weight: 600; }
.calc-neg { color: var(--danger);  font-weight: 600; }

/* Info cards (CO₂, koeling, toekomst) */
.calc-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

@media (max-width: 720px) {
  .calc-cards { grid-template-columns: 1fr; }
}

.calc-info-card {
  background: var(--gray-50);
  padding: 1rem 1.1rem;
  border-radius: var(--border-radius);
  border: 1px solid var(--gray-200);
}

.calc-info-icon { font-size: 1.5rem; line-height: 1; margin-bottom: 0.5rem; }

.calc-info-card h4 { margin: 0 0 0.4rem; font-size: 1rem; font-weight: 700; }

.calc-info-card p { margin: 0; font-size: 0.88rem; line-height: 1.5; color: var(--gray-700); }

/* Waarschuwingen */
.calc-warnings { /* container, gevuld door view */ }

.calc-warnings-inner {
  background: #fff8e6;
  border: 1px solid var(--warning);
  border-radius: var(--border-radius);
  padding: 1rem 1.25rem;
}

.calc-warning-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.calc-warning {
  display: flex;
  gap: 0.5rem;
  font-size: 0.88rem;
  line-height: 1.45;
  color: var(--gray-700);
}

.calc-warning-id {
  flex-shrink: 0;
  font-family: monospace;
  font-size: 0.78rem;
  color: var(--gray-500);
  background: var(--white);
  padding: 0.1rem 0.4rem;
  border-radius: 4px;
  border: 1px solid var(--gray-300);
  align-self: flex-start;
}

.calc-warning--warning .calc-warning-id { color: var(--warning); border-color: var(--warning); }
.calc-warning--info    .calc-warning-id { color: var(--gray-600); }

.calc-warning-msg { flex: 1; }

/* CTA-blok in resultaten */
.calc-cta {
  background: var(--gray-50);
  padding: 1.5rem;
  border-radius: var(--border-radius);
  border: 1px solid var(--gray-200);
  text-align: center;
}

.calc-cta p { margin: 0 0 1rem; }

.calc-cta .btn-group {
  flex-wrap: wrap;
  justify-content: center;
}

/* --- Page-hero variant voor calculator-pagina --- */
.page-hero h1 { line-height: 1.2; }

/* === Uitgebreide modus — toggle + extra velden ============================= */

.calc-modus {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--gray-200);
}

.calc-modus-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: transparent;
  border: 1px solid var(--gray-300);
  border-radius: 8px;
  padding: 0.55rem 0.85rem;
  font-family: inherit;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--gray-800);
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
  width: fit-content;
}

.calc-modus-btn:hover {
  border-color: var(--accent);
  background: rgba(84, 210, 235, 0.06);
}

.calc-modus-btn:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
}

.calc-modus-btn[aria-expanded="true"] {
  background: var(--primary);
  color: var(--white);
  border-color: var(--primary);
}

.calc-modus-icon { font-size: 1rem; line-height: 1; }

.calc-modus-help {
  font-size: 0.78rem;
  color: var(--gray-500);
  line-height: 1.4;
}

/* Extra-blokken binnen een fieldset: visueel ingesprongen */
.calc-extra {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: 0.5rem;
  padding-top: 0.75rem;
  border-top: 1px dashed var(--gray-200);
}

.calc-extra[hidden] { display: none; }

/* Fieldsets die alleen in uitgebreide modus bestaan */
.calc-fieldset--extras-only[hidden] { display: none; }

.calc-fieldset--extras-only .calc-extra {
  margin-top: 0;
  padding-top: 0;
  border-top: 0;
}

.calc-optional {
  color: var(--gray-500);
  font-weight: 400;
  font-size: 0.85rem;
}

/* Checkboxes met label rechts ernaast */
.calc-field--checkbox {
  flex-direction: row !important;
  align-items: flex-start !important;
  gap: 0.6rem !important;
  flex-wrap: wrap;
}

.calc-field--checkbox input[type="checkbox"] {
  width: 1.1rem;
  height: 1.1rem;
  margin-top: 0.2rem;
  accent-color: var(--primary);
  flex-shrink: 0;
}

.calc-field--checkbox label {
  font-weight: 500 !important;
  cursor: pointer;
  flex: 1;
  min-width: 200px;
}

.calc-field--checkbox small {
  width: 100%;
  margin-left: 1.7rem;
}

/* Range-slider met waarde-display (PV-share) */
.calc-range-value {
  font-size: 0.85rem;
  color: var(--gray-700);
  font-weight: 600;
}

.calc-range-value span { color: var(--primary); }

/* Validatie-state */
.calc-field-invalid {
  border-color: var(--danger) !important;
  background: #fff5f5 !important;
}

.calc-field-invalid:focus {
  box-shadow: 0 0 0 3px rgba(220, 53, 69, 0.20) !important;
}

.calc-error {
  font-size: 0.82rem;
  color: var(--danger);
  margin-top: 0.15rem;
  line-height: 1.35;
}

.calc-error[hidden] { display: none; }

/* === Info-buttons + uitleg-panels (Fase 4 — leerplatform) ================ */

.calc-info-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.25rem;
  height: 1.25rem;
  margin-left: 0.4rem;
  padding: 0;
  border: 1px solid var(--gray-400);
  border-radius: 50%;
  background: var(--white);
  color: var(--gray-600);
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 700;
  font-style: italic;
  line-height: 1;
  cursor: pointer;
  transition: all 0.15s;
  vertical-align: middle;
}

.calc-info-btn:hover {
  border-color: var(--accent);
  color: var(--accent-dark);
  background: rgba(84, 210, 235, 0.10);
}

.calc-info-btn:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
}

.calc-info-btn[aria-expanded="true"] {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--white);
}

.calc-info-panel {
  margin-top: 0.5rem;
  padding: 0.9rem 1.1rem;
  background: rgba(84, 210, 235, 0.08);
  border-left: 3px solid var(--accent);
  border-radius: 6px;
  font-size: 0.88rem;
  line-height: 1.55;
  color: var(--gray-700);
}

.calc-info-panel[hidden] { display: none; }

.calc-info-panel p { margin: 0 0 0.5rem; }
.calc-info-panel p:last-child { margin-bottom: 0; }

.calc-info-panel ul {
  margin: 0.4rem 0 0.5rem;
  padding-left: 1.2rem;
}

.calc-info-panel li { margin-bottom: 0.25rem; }

.calc-info-panel a {
  color: var(--accent-dark);
  text-decoration: underline;
  font-weight: 600;
}

.calc-info-panel a:hover { text-decoration: none; }

/* === Print-knop in resultaten-paneel ====================================== */

.calc-results-actions {
  display: flex;
  justify-content: flex-end;
  margin-bottom: -0.5rem;
}

/* === Glossarium-pagina ==================================================== */

.glossarium-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 1rem;
  justify-content: center;
}

.glossarium-nav a {
  display: inline-block;
  min-width: 2rem;
  text-align: center;
  padding: 0.4rem 0.7rem;
  background: var(--white);
  border: 1px solid var(--gray-300);
  border-radius: 6px;
  color: var(--gray-800);
  font-weight: 600;
  text-decoration: none;
  transition: all 0.15s;
}

.glossarium-nav a:hover,
.glossarium-nav a:focus-visible {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--white);
  outline: none;
}

.glossarium h2 {
  margin-top: 2.5rem;
  margin-bottom: 0.75rem;
  font-size: 2rem;
  color: var(--accent-dark);
  border-bottom: 2px solid var(--gray-200);
  padding-bottom: 0.3rem;
}

.glossarium h2:first-of-type { margin-top: 0; }

.gloss-term {
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px dashed var(--gray-200);
}

.gloss-term:last-child { border-bottom: 0; }

.gloss-term h3 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--gray-800);
  margin: 0 0 0.5rem;
  scroll-margin-top: 100px;
}

.gloss-term p { margin: 0 0 0.6rem; line-height: 1.65; }
.gloss-term p:last-child { margin-bottom: 0; }

.gloss-term ul {
  margin: 0.4rem 0 0.8rem;
  padding-left: 1.4rem;
}

.gloss-term ul li { margin-bottom: 0.3rem; line-height: 1.55; }

.glossarium-footer-note {
  margin-top: 2rem;
  padding: 1rem;
  background: var(--gray-50);
  border-radius: var(--border-radius);
  text-align: center;
  font-style: italic;
  color: var(--gray-600);
}

/* === "Hoe lees ik mijn jaarafrekening" guide-blok ========================= */

.factuur-guide {
  display: grid;
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.factuur-svg {
  width: 100%;
  max-width: 600px;
  height: auto;
  margin: 0 auto;
  display: block;
  box-shadow: var(--shadow-sm);
  border-radius: var(--border-radius);
}

.factuur-list {
  margin: 0;
  padding-left: 1.5rem;
  counter-reset: list-counter;
}

.factuur-list li {
  position: relative;
  padding-left: 0.5rem;
  margin-bottom: 0.75rem;
  line-height: 1.6;
}

.factuur-list li::marker {
  font-weight: 700;
  color: var(--accent-dark);
}

.factuur-help {
  margin-top: 1rem;
  padding: 1rem;
  background: rgba(84, 210, 235, 0.08);
  border-left: 3px solid var(--accent);
  border-radius: 6px;
  font-size: 0.95rem;
}

/* === Form fallback-banner (FormSubmit/Cloudflare outage) ================== */

.form-fallback-banner {
  background: #fff8e6;
  border: 1px solid var(--warning);
  border-left: 4px solid var(--warning);
  border-radius: var(--border-radius);
  padding: 1.25rem 1.5rem;
  margin-bottom: 1.5rem;
  color: var(--gray-800);
}

.form-fallback-banner h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin: 0 0 0.5rem;
  color: #8a5e00;
}

.form-fallback-banner p { margin: 0 0 0.6rem; line-height: 1.55; }
.form-fallback-banner p:last-child { margin-bottom: 0; }

.form-fallback-banner ul {
  margin: 0.4rem 0;
  padding-left: 1.4rem;
}

.form-fallback-banner ul li {
  margin-bottom: 0.4rem;
  font-size: 1.02rem;
}

.form-fallback-banner a {
  color: var(--primary);
  font-weight: 600;
  text-decoration: underline;
}

.form-fallback-banner a:hover { text-decoration: none; }

.form-fallback-banner small { color: var(--gray-600); }

/* === Calculator-samenvatting op contact-pagina (5.2) ===================== */

.calc-prefill-summary {
  background: rgba(84, 210, 235, 0.08);
  border-left: 4px solid var(--accent);
  border-radius: var(--border-radius);
  padding: 1rem 1.25rem;
  margin-bottom: 1.5rem;
}

.calc-prefill-summary h3 {
  font-size: 1rem;
  font-weight: 700;
  margin: 0 0 0.4rem;
  color: var(--accent-dark);
}

.calc-prefill-summary p { margin: 0 0 0.4rem; font-size: 0.92rem; }

.calc-prefill-summary dl {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 0.3rem 1rem;
  margin: 0.5rem 0 0;
  font-size: 0.9rem;
}

.calc-prefill-summary dt { color: var(--gray-600); font-weight: 600; }
.calc-prefill-summary dd { margin: 0; color: var(--gray-800); }

/* === Calculator cross-link card (warmtepomp.html + city pages + blog) ==== */

.calc-cta-card {
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
  background: linear-gradient(135deg, #f7f9fa 0%, rgba(84, 210, 235, 0.12) 100%);
  border: 1px solid var(--gray-200);
  border-left: 4px solid var(--accent);
  border-radius: var(--border-radius);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
}

@media (max-width: 600px) {
  .calc-cta-card { flex-direction: column; gap: 0.75rem; }
}

.calc-cta-card-icon {
  font-size: 2.2rem;
  line-height: 1;
  flex-shrink: 0;
}

.calc-cta-card-body { flex: 1; }

.calc-cta-card-body h2,
.calc-cta-card-body h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin: 0 0 0.5rem;
  color: var(--gray-800);
}

.calc-cta-card-body p {
  margin: 0 0 0.75rem;
  color: var(--gray-700);
}

.calc-cta-card-body p:last-child { margin-bottom: 0; }

.calc-cta-card-body .btn + .btn { margin-left: 0.5rem; }

/* === Print-stylesheet ===================================================== */

@media print {
  .header, .footer, .cookie-banner, .calc-modus, .nav-toggle,
  .calc-cta .btn-group, .calc-results-actions, .calc-info-btn,
  .skip-to-content { display: none !important; }
  .calc-info-panel { display: none !important; }

  body { background: #fff !important; }

  .calc-grid {
    grid-template-columns: 1fr !important;
    gap: 1rem;
  }

  .calc-form {
    box-shadow: none !important;
    border: 1px solid #ddd;
    page-break-inside: avoid;
    position: static !important;
  }

  .calc-premie-footnote {
    background: #f0f9ff !important;
    color: #003a4d !important;
    border: 2px solid var(--accent) !important;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
    page-break-inside: avoid;
  }
  .calc-premie-footnote a { color: #003a4d !important; }

  .calc-kpi { page-break-inside: avoid; }
  .calc-chart-wrap, .calc-cost-wrap, .calc-cards, .calc-warnings {
    page-break-inside: avoid;
  }

  /* --- Print rules voor kostenvergelijking-pivot --- */
  /* Forceer hero-KPIs op één regel als de breedte het toelaat */
  .calc-kpis--hero {
    grid-template-columns: repeat(4, 1fr) !important;
    gap: 0.5rem;
  }
  .calc-kpi--hero {
    padding: 0.6rem;
    page-break-inside: avoid;
  }
  .calc-kpi--hero .calc-kpi-value { font-size: 1.2rem !important; }
  .calc-kpi-icon { font-size: 1.1rem !important; }

  /* Investeringsperspectief: tijdens print ALTIJD opengeklapt, ook al was
     het gesloten in de browser-view. Anders gaat de halve resultaat verloren. */
  .calc-collapsible[open] .calc-collapsible-body,
  .calc-collapsible .calc-collapsible-body {
    display: block !important;
  }
  .calc-collapsible {
    page-break-inside: auto;
    border: 1px solid #ccc;
  }
  .calc-collapsible-summary {
    background: #f0f0f0 !important;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
    page-break-after: avoid;
  }
  .calc-collapsible-chevron { display: none !important; }

  /* Aandeel-slider: toon waarde, verberg de slider-control zelf */
  .calc-field--share input[type="range"] { display: none !important; }
  .calc-field--share .calc-range-value {
    font-size: 1rem;
    padding: 0.4rem 0;
    border-bottom: 1px solid #eee;
  }
}

/* ============================================================================
   MOBILE UX VERBETERINGEN — toegevoegd na audit mei 2026
   Zie MOBILE-UX-AUDIT.md voor context per regel.
   ============================================================================ */

/* --- Tap-highlight kleur sitebreed --- */
html { -webkit-tap-highlight-color: rgba(58, 58, 58, 0.1); }
.btn,
.nav a,
.card a,
.card-link,
.mobile-cta-bar { -webkit-tap-highlight-color: transparent; }

/* --- Skip-to-content link — focus zichtbaarder maken --- */
.skip-to-content {
  font-size: 1rem;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}
.skip-to-content:focus {
  outline: 3px solid var(--accent);
  outline-offset: 0;
}

/* --- Map container (eerder inline op contact.html) --- */
.map-container {
  height: 400px;
  border-radius: var(--border-radius);
  overflow: hidden;
  margin-top: 1.5rem;
}

/* --- Sticky bel-knop onderaan op mobiel --- */
.mobile-cta-bar {
  display: none;
}

/* --- Back-to-top knop (verschijnt na 600px scroll) --- */
.back-to-top {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: none;
  background: var(--primary);
  color: var(--white);
  font-size: 1.25rem;
  line-height: 1;
  cursor: pointer;
  z-index: 997;
  box-shadow: var(--shadow-md);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s, transform 0.2s;
}
.back-to-top.visible {
  opacity: 1;
  pointer-events: auto;
}
.back-to-top:hover,
.back-to-top:focus-visible {
  background: var(--primary-dark);
  transform: translateY(-2px);
}

/* --- Mobile-specifieke regels --- */
@media (max-width: 768px) {
  /* Sticky bel-knop onderaan */
  .mobile-cta-bar {
    display: flex;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 998;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    background: var(--primary);
    color: var(--white);
    padding: 0.9rem 1rem;
    padding-bottom: calc(0.9rem + env(safe-area-inset-bottom));
    font-weight: 700;
    font-size: 1.05rem;
    text-decoration: none;
    box-shadow: 0 -2px 8px rgba(0, 0, 0, 0.12);
    min-height: 44px;
  }
  .mobile-cta-bar:hover,
  .mobile-cta-bar:focus { color: var(--white); }
  .mobile-cta-icon { font-size: 1.15em; }

  /* Pagina krijgt extra ruimte onderaan zodat content niet onder de bel-knop valt */
  body { padding-bottom: 4.5rem; }

  /* Cookie-banner net boven de bel-knop schuiven als beide zichtbaar zijn */
  .cookie-banner.show {
    bottom: calc(56px + env(safe-area-inset-bottom));
  }
  .cookie-buttons { width: 100%; }
  .cookie-buttons .btn {
    flex: 1;
    min-height: 44px;
    justify-content: center;
  }

  /* Footer- en breadcrumb-links: ruimere tap-targets */
  .footer a {
    padding: 0.5rem 0;
    display: inline-block;
  }
  .breadcrumb a {
    padding: 0.25rem 0;
    display: inline-block;
  }

  /* Kaart compacter op mobiel */
  .map-container,
  .map-container iframe { height: 260px !important; }

  /* Back-to-top: net boven de sticky bel-knop */
  .back-to-top {
    bottom: calc(64px + env(safe-area-inset-bottom));
  }

  /* Hero iets compacter */
  .hero { padding: 5.5rem 0 3rem; }
  .page-hero { padding: 5.5rem 0 2rem; }
}

@media (max-width: 480px) {
  .hero { padding: 4.5rem 0 2.5rem; }
  .page-hero { padding: 4.5rem 0 1.5rem; }
}

/* --- Hover-states neutraliseren op touch-devices --- */
@media (hover: none) {
  .btn:hover,
  .card:hover,
  .nav a:hover,
  .mobile-cta-bar:hover,
  .back-to-top:hover {
    transform: none !important;
    box-shadow: inherit;
  }
}

/* --- Brede tabellen: horizontaal scrollbare wrapper --- */
.table-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
@media (max-width: 768px) {
  .table-scroll {
    margin: 0 -1rem;
    padding: 0 1rem;
  }
  .table-scroll .comparison-table { min-width: 480px; }
}