/* ==========================================================================
   Aircoheld — /airco-breda/
   Mobile-first stylesheet. Uses the site's brand tokens.
   NOTE: if the global site already defines these tokens/utilities in a
   shared stylesheet, drop the duplicated ones here and import the global
   file instead — this file is written to stand alone for review purposes.
   ========================================================================== */

:root {
  /* Brand */
  --color-navy: #1a2a5e;
  --color-navy-dark: #101c42;
  --color-orange: #f26522;
  --color-orange-dark: #d9530f;

  /* Neutrals */
  --color-bg: #ffffff;
  --color-bg-soft: #f5f7fb;
  --color-bg-navy-tint: #eef1f9;
  --color-text: #1c2333;
  --color-text-muted: #52596b;
  --color-border: #dde2ee;
  --color-success: #1f7a4d;

  /* Type */
  --font-body: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-display: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;

  /* Spacing scale */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4rem;
  --space-9: 6rem;

  /* Layout */
  --content-max: 74rem;
  --text-max: 42rem;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --shadow-card: 0 1px 2px rgba(16, 28, 66, 0.06), 0 8px 24px rgba(16, 28, 66, 0.08);
  --focus-ring: 0 0 0 3px rgba(242, 101, 34, 0.45);
}

@media (prefers-reduced-motion: no-preference) {
  :root {
    --transition-fast: 150ms ease;
    --transition-base: 220ms ease;
  }
}
@media (prefers-reduced-motion: reduce) {
  :root {
    --transition-fast: 0ms;
    --transition-base: 0ms;
  }
  * {
    scroll-behavior: auto !important;
  }
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  /* Vangnet tegen onbedoelde horizontale scroll op smalle schermen —
     mag nooit nodig zijn gezien de rest van de layout, maar voorkomt in
     edge-cases (bijv. een extreem lang los woord) dat de hele pagina
     zijwaarts schuift. */
  overflow-x: hidden;
}

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

h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--color-navy);
  line-height: 1.2;
  margin: 0 0 var(--space-4);
  font-weight: 700;
}

h1 { font-size: clamp(2rem, 5vw, 2.75rem); }
h2 { font-size: clamp(1.5rem, 3.5vw, 2rem); }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.05rem; }

p {
  margin: 0 0 var(--space-4);
  max-width: var(--text-max);
}

a {
  color: var(--color-navy);
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
[tabindex]:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
  border-radius: var(--radius-sm);
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--color-navy);
  color: #fff;
  padding: var(--space-3) var(--space-4);
  z-index: 1000;
  border-radius: 0 0 var(--radius-sm) 0;
}
.skip-link:focus {
  left: 0;
}

.container {
  width: 100%;
  max-width: var(--content-max);
  margin-inline: auto;
  padding-inline: var(--space-4);
}

@media (min-width: 768px) {
  .container { padding-inline: var(--space-6); }
}

section {
  padding-block: var(--space-8);
}

.section-intro {
  max-width: 44rem;
  margin-bottom: var(--space-6);
}

.eyebrow {
  color: var(--color-orange);
  font-weight: 600;
  font-size: 0.95rem;
  margin: 0 0 var(--space-2);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-weight: 600;
  font-size: 1rem;
  padding: 0.85rem 1.5rem;
  border-radius: var(--radius-md);
  border: 2px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: transform var(--transition-fast), background var(--transition-fast), border-color var(--transition-fast);
  line-height: 1.2;
}
.btn:active { transform: translateY(1px); }

.btn-primary {
  /* Tekstkleur bewust donkernavy i.p.v. wit: #f26522 + wit haalt geen
     WCAG AA-contrast (≈3,2:1) bij normale tekstgrootte. Donkernavy op
     dit oranje haalt ≈5,2:1 — ruim boven de AA-norm van 4,5:1 — zonder
     de merkkleur zelf aan te passen. */
  background: var(--color-orange);
  color: var(--color-navy-dark);
}
.btn-primary:hover {
  /* Geen kleurverandering bij hover (zou het contrast weer verlagen);
     in plaats daarvan een subtiele elevatie. */
  background: var(--color-orange);
  box-shadow: 0 4px 14px rgba(242, 101, 34, 0.45);
}

.btn-secondary {
  background: transparent;
  color: var(--color-navy);
  border-color: var(--color-navy);
}
.btn-secondary:hover { background: var(--color-bg-navy-tint); }

.btn-block { width: 100%; }

.btn[disabled] {
  opacity: 0.55;
  cursor: not-allowed;
}

/* ---------- Header (placeholder — reuse global header) ---------- */
.site-header-placeholder {
  border-bottom: 1px solid var(--color-border);
  padding-block: var(--space-4);
}
.site-header-placeholder .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}
.logo__img {
  height: 40px;
  width: auto;
  display: block;
}
.footer-logo__img {
  height: 32px;
  width: auto;
  margin-bottom: var(--space-3);
  /* Logo is navy/oranje op transparante achtergrond; footer-achtergrond
     is donker, dus hier een lichte variant tonen zodat het leesbaar
     blijft i.p.v. het logo te herontwerpen. */
  filter: brightness(0) invert(1);
  opacity: 0.9;
}

/* ---------- Hero ---------- */
.hero {
  background: linear-gradient(160deg, var(--color-navy) 0%, var(--color-navy-dark) 100%);
  color: #fff;
  padding-block: var(--space-8);
  overflow: hidden;
}
.hero__grid {
  display: grid;
  gap: var(--space-7);
  align-items: center;
}
/* Mobiel: brondocumentvolgorde is al tekst → CTA's → visual, dus geen
   reorder nodig. Desktop: 2 kolommen, tekst links / visual rechts. */
@media (min-width: 960px) {
  .hero { padding-block: var(--space-9); }
  .hero__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: var(--space-8);
  }
}
.hero h1 { color: #fff; }
.hero__visual {
  aspect-ratio: 1 / 1;
  width: 100%;
  max-width: 26rem;
  margin-inline: auto;
}
@media (min-width: 960px) {
  .hero__visual { max-width: none; }
}
.hero__visual svg { display: block; width: 100%; height: 100%; }
.hero__visual-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius-lg);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.35);
}
.hero__lead {
  font-size: 1.15rem;
  color: rgba(255, 255, 255, 0.85);
  max-width: 38rem;
}
.hero__ctas {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-2);
}
.hero__trust {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-5);
  margin-top: var(--space-6);
  padding-top: var(--space-6);
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}
.trust-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.95rem;
}
.trust-item svg { flex-shrink: 0; color: var(--color-orange); }

/* ---------- USP strip ----------
   Bewust géén uniforme shadow-cards: icoon-geleid, rustige achtergrond,
   dunne accentlijn onderaan i.p.v. een schaduw op elke kaart — voorkomt
   de generieke "SaaS-kaart"-look. */
.usp-section__grid {
  display: grid;
  gap: var(--space-7);
  align-items: center;
}
@media (min-width: 900px) {
  .usp-section__grid {
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  }
}
.usp-mascot {
  display: none;
}
@media (min-width: 900px) {
  .usp-mascot {
    display: block;
    max-width: 280px;
    margin-inline: auto;
  }
}
.usp-mascot__img {
  width: 100%;
  height: auto;
  display: block;
}
.usp-grid {
  display: grid;
  gap: var(--space-6);
  grid-template-columns: 1fr;
}
@media (min-width: 640px) {
  .usp-grid { grid-template-columns: repeat(3, 1fr); }
}
.usp-card {
  padding-top: var(--space-2);
  border-top: 3px solid var(--color-orange);
}
.usp-card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--color-bg-navy-tint);
  color: var(--color-navy);
  margin-bottom: var(--space-4);
}
.usp-card h3 { margin-bottom: var(--space-2); font-size: 1.05rem; }
.usp-card p { margin: 0; color: var(--color-text-muted); font-size: 0.95rem; }

/* ---------- Certificeringen ---------- */
.certifications-section {
  padding-block: var(--space-6) var(--space-8);
  text-align: center;
}
.certifications-heading {
  font-size: 1.05rem;
  margin-bottom: var(--space-2);
}
.certifications-intro {
  color: var(--color-text-muted);
  font-size: 0.92rem;
  max-width: 32rem;
  margin-inline: auto;
  margin-bottom: var(--space-6);
}
.certifications-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: var(--space-7);
}
.certification-badge {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4) var(--space-5);
}
.certification-badge__logo {
  height: 44px;
  width: auto;
  max-width: 160px;
  object-fit: contain;
  filter: grayscale(15%);
}
@media (min-width: 640px) {
  .certification-badge__logo { height: 56px; max-width: 200px; }
}

/* ---------- Content sections ---------- */
.content-section p,
.content-section li {
  color: var(--color-text-muted);
}
.content-grid {
  display: grid;
  gap: var(--space-6);
}
@media (min-width: 900px) {
  .content-grid--2col {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }
}

.bg-soft { background: var(--color-bg-soft); }
.bg-navy-tint { background: var(--color-bg-navy-tint); }

/* ---------- Informatiesecties: scanbare icon-cards ----------
   Vervangt lange tekstmuren door korte kaarten met icoon + kopje +
   compacte alinea, zodat de (ongewijzigde) SEO-inhoud beter scanbaar is. */
.info-card-grid {
  display: grid;
  gap: var(--space-5);
  grid-template-columns: 1fr;
}
@media (min-width: 640px) {
  .info-card-grid { grid-template-columns: repeat(2, 1fr); }
}
.info-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
}
.info-card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: var(--color-bg-navy-tint);
  color: var(--color-navy);
  margin-bottom: var(--space-3);
}
.info-card h3 { font-size: 1.05rem; margin-bottom: var(--space-2); }
.info-card p { margin: 0; font-size: 0.92rem; }

/* ---------- Lokale sectie: highlights ---------- */
.local-highlights {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: 1fr;
  margin-bottom: var(--space-6);
}
@media (min-width: 768px) {
  .local-highlights { grid-template-columns: repeat(3, 1fr); }
}
.local-highlight {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  color: var(--color-navy);
  font-weight: 600;
  font-size: 0.9rem;
}
.local-highlight svg { flex-shrink: 0; color: var(--color-orange); margin-top: 2px; }

/* ---------- Pricing ---------- */
.pricing-grid {
  display: grid;
  gap: var(--space-5);
  grid-template-columns: 1fr;
}
@media (min-width: 768px) {
  .pricing-grid { grid-template-columns: repeat(3, 1fr); }
}
.oplossingen-label {
  color: var(--color-navy);
  font-weight: 700;
  font-size: 0.95rem;
  margin-bottom: var(--space-4);
}
.price-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  position: relative;
}
.price-card--featured {
  border-color: var(--color-orange);
  position: relative;
}
.price-card__kw-badge {
  position: absolute;
  top: var(--space-5);
  right: var(--space-5);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 3rem;
  padding: 0.3rem 0.6rem;
  border-radius: 999px;
  background: var(--color-bg-navy-tint);
  color: var(--color-navy);
  font-size: 0.8rem;
  font-weight: 700;
}
.price-card__badge {
  align-self: flex-start;
  background: var(--color-orange);
  /* Zelfde contrast-overweging als .btn-primary */
  color: var(--color-navy-dark);
  font-size: 0.75rem;
  font-weight: 700;
  padding: var(--space-1) var(--space-3);
  border-radius: 999px;
  margin-bottom: var(--space-3);
}
.price-card h3 {
  padding-right: 3.5rem;
}
.price-card__list {
  list-style: none;
  padding: 0;
  margin: var(--space-4) 0;
  flex-grow: 1;
}
.price-card__list li {
  display: flex;
  gap: var(--space-2);
  padding-block: var(--space-2);
  border-top: 1px solid var(--color-border);
  font-size: 0.95rem;
}
.price-card__list li:first-child { border-top: none; }
.price-card__list svg { flex-shrink: 0; color: var(--color-success); margin-top: 2px; }

.pricing-disclaimer {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-top: var(--space-5);
}

/* ---------- Capacity checker ---------- */
.calc-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-card);
}
.calc-grid {
  display: grid;
  gap: var(--space-4);
}
@media (min-width: 640px) {
  .calc-grid { grid-template-columns: 1fr 1fr; }
}
.field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}
.field label {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-navy);
}
.field .field-hint {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  font-weight: 400;
}
input[type="text"],
input[type="tel"],
input[type="email"],
input[type="number"],
select,
textarea {
  font: inherit;
  padding: 0.7rem 0.85rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: #fff;
  color: var(--color-text);
  width: 100%;
}
input:invalid[data-touched="true"],
select:invalid[data-touched="true"] {
  border-color: #c0392b;
}
.error-message {
  font-size: 0.82rem;
  color: #c0392b;
  min-height: 1.1em;
}

.calc-result {
  margin-top: var(--space-5);
  padding: var(--space-6);
  background: var(--color-bg-navy-tint);
  border-radius: var(--radius-md);
  display: none;
}
.calc-result.is-visible { display: block; }
.calc-result__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-orange-dark);
  font-weight: 700;
  font-size: 0.85rem;
  margin-bottom: var(--space-2);
}
.calc-result__value {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--color-navy);
  line-height: 1;
}
.calc-result__disclaimer {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-top: var(--space-3);
  margin-bottom: 0;
}
.calc-result__prefill-note {
  margin: var(--space-3) 0 0;
  padding: var(--space-3);
  background: #f0f9f4;
  border: 1px solid #cdecda;
  border-radius: var(--radius-sm);
  color: var(--color-success);
  font-size: 0.85rem;
  font-weight: 600;
}

/* ---------- Aircocheck multi-step form ---------- */
.aircocheck {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: var(--space-6);
  max-width: 42rem;
  margin-inline: auto;
}
.aircocheck__progress {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
}
.aircocheck__progress-step {
  flex: 1;
  height: 4px;
  border-radius: 999px;
  background: var(--color-border);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}
.aircocheck__progress-step.is-active,
.aircocheck__progress-step.is-complete {
  background: var(--color-orange);
}
/* Genummerde stap-indicator, gecentreerd op de balk */
.aircocheck__progress-dot {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: #fff;
  border: 2px solid var(--color-border);
  color: var(--color-text-muted);
  font-size: 0.7rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color var(--transition-base), color var(--transition-base), background var(--transition-base);
}
.aircocheck__progress-step.is-active .aircocheck__progress-dot {
  border-color: var(--color-orange);
  color: var(--color-orange-dark);
  background: #fff;
}
.aircocheck__progress-step.is-complete .aircocheck__progress-dot {
  border-color: var(--color-orange);
  background: var(--color-orange);
  color: var(--color-navy-dark);
}
.aircocheck__step-label {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}
.aircocheck__step {
  display: none;
}
.aircocheck__step.is-active {
  display: block;
}
.aircocheck__nav {
  display: flex;
  justify-content: space-between;
  gap: var(--space-3);
  margin-top: var(--space-6);
}
.radio-group,
.checkbox-group {
  display: grid;
  gap: var(--space-2);
}
.radio-option,
.checkbox-option {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
}
.radio-option:has(input:checked),
.checkbox-option:has(input:checked) {
  border-color: var(--color-orange);
  background: #fff6f1;
}

/* ---------- Configurator: tegel- en pill-opties ----------
   Vervangt losse <select>-dropdowns op de belangrijkste keuzes in de
   Aircocheck door grote, aanraakvriendelijke selecteerbare kaarten —
   voelt meer als een keuzehulp dan een traditioneel formulier. Zelfde
   onderliggende <input type="radio">, dus bestaande validatielogica en
   veldnamen blijven ongewijzigd. */

/* Particulier/zakelijk-conditionele blokken binnen een stap. `hidden`
   wordt door script.js gezet/verwijderd o.b.v. customer_type; velden
   binnen een hidden block worden bij validatie en payload-opbouw
   overgeslagen. */
.audience-block {
  margin-bottom: var(--space-4);
}
.audience-block:last-child {
  margin-bottom: 0;
}

.tile-field {
  border: none;
  padding: 0;
  margin: 0 0 var(--space-4);
}
.tile-field legend {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-navy);
  padding: 0;
  margin-bottom: var(--space-2);
}
.tile-option-grid {
  display: grid;
  gap: var(--space-2);
  grid-template-columns: repeat(2, 1fr);
}
.tile-option-grid--3 { grid-template-columns: repeat(3, 1fr); }
.tile-option-grid--2col { grid-template-columns: repeat(2, 1fr); max-width: 24rem; }
@media (min-width: 480px) {
  .tile-option-grid--5 { grid-template-columns: repeat(3, 1fr); }
}
@media (min-width: 640px) {
  .tile-option-grid--5 { grid-template-columns: repeat(5, 1fr); }
}
.tile-option {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  text-align: center;
  padding: var(--space-4) var(--space-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  font-size: 0.85rem;
  color: var(--color-text);
  overflow-wrap: break-word;
  transition: border-color var(--transition-fast), background var(--transition-fast);
}
.tile-option input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
}
.tile-option__icon { color: var(--color-navy); flex-shrink: 0; }
.tile-option:has(input:checked) {
  border-color: var(--color-orange);
  background: #fff6f1;
}
.tile-option:has(input:checked) .tile-option__icon { color: var(--color-orange-dark); }
.tile-option:has(input:focus-visible) {
  box-shadow: var(--focus-ring);
}

.pill-option-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}
.pill-option {
  display: inline-flex;
  align-items: center;
  padding: 0.6rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  cursor: pointer;
  font-size: 0.9rem;
  color: var(--color-text);
  transition: border-color var(--transition-fast), background var(--transition-fast);
}
.pill-option input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
}
.pill-option:has(input:checked) {
  border-color: var(--color-orange);
  background: #fff6f1;
  color: var(--color-navy);
  font-weight: 600;
}
.pill-option:has(input:focus-visible) {
  box-shadow: var(--focus-ring);
}
.file-drop {
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.9rem;
}
.aircocheck__success {
  display: none;
  text-align: center;
  padding: var(--space-6) 0;
}
.aircocheck__success.is-visible { display: block; }
.aircocheck__success svg { color: var(--color-success); margin-bottom: var(--space-4); }

.form-status[role="alert"] {
  font-size: 0.9rem;
  color: #c0392b;
  margin-top: var(--space-3);
}

/* ---------- Projects ---------- */
.projects-grid {
  display: grid;
  gap: var(--space-5);
  grid-template-columns: 1fr;
  max-width: 48rem;
  margin-inline: auto;
}
@media (min-width: 640px) {
  .projects-grid { grid-template-columns: repeat(2, 1fr); }
}
.project-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: #fff;
  box-shadow: var(--shadow-card);
}
.project-card__img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}
.project-card__body {
  padding: var(--space-5);
}
.project-card__body h3 { font-size: 1.05rem; margin-bottom: var(--space-2); }
.project-card__body p { margin: 0; font-size: 0.9rem; }

/* Placeholder-variant (nog geen echt project): dashed, geen foto */
.project-card[data-project="placeholder"] {
  border-style: dashed;
  background: var(--color-bg-soft);
  box-shadow: none;
  padding: var(--space-5);
}
.project-card__placeholder-tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--color-orange-dark);
  background: #fff1e8;
  border-radius: 999px;
  padding: 0.2rem 0.6rem;
  margin-bottom: var(--space-3);
}

/* ---------- FAQ ---------- */
.faq-list {
  border-top: 1px solid var(--color-border);
}
.faq-item {
  border-bottom: 1px solid var(--color-border);
}
.faq-item__question {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: var(--space-5) var(--space-2);
  margin-inline: calc(var(--space-2) * -1);
  border-radius: var(--radius-sm);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--color-navy);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  transition: color var(--transition-fast);
}
.faq-item__question[aria-expanded="true"] {
  color: var(--color-orange-dark);
}
.faq-item__icon {
  flex-shrink: 0;
  color: var(--color-navy);
  transition: transform var(--transition-base), color var(--transition-base);
}
.faq-item__question[aria-expanded="true"] .faq-item__icon {
  transform: rotate(45deg);
  color: var(--color-orange);
}
.faq-item__answer {
  overflow: hidden;
  max-height: 0;
  transition: max-height var(--transition-base);
}
.faq-item__answer[data-open="true"] {
  max-height: 40rem;
}
.faq-item__answer-inner {
  padding: 0 var(--space-2) var(--space-5);
  color: var(--color-text-muted);
}

/* ---------- Internal links ---------- */
.link-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}
.link-chip {
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: var(--space-2) var(--space-4);
  font-size: 0.9rem;
  text-decoration: none;
  color: var(--color-navy);
}
.link-chip:hover {
  border-color: var(--color-navy);
  background: var(--color-bg-navy-tint);
}

/* ---------- Zakelijke toepassingen (niet-klikbare chips) ---------- */
.usecase-chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
}
.usecase-chip {
  border: 1px solid var(--color-border);
  background: #fff;
  border-radius: 999px;
  padding: var(--space-2) var(--space-4);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-navy);
}

/* ---------- Sticky mobile CTA ---------- */
.sticky-cta {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: #fff;
  border-top: 1px solid var(--color-border);
  padding: var(--space-3) var(--space-4);
  z-index: 500;
  box-shadow: 0 -4px 16px rgba(16, 28, 66, 0.08);
  transform: translateY(0);
  transition: transform var(--transition-base);
}
/* Toegevoegd via script.js (IntersectionObserver) zodra de Aircocheck-sectie
   of de footer in beeld is, zodat de balk nooit over het formulier of de
   footer heen ligt. */
.sticky-cta.is-hidden {
  transform: translateY(110%);
  pointer-events: none;
}
@media (min-width: 900px) {
  .sticky-cta { display: none; }
}

/* ---------- Footer (placeholder — reuse global footer) ---------- */
.site-footer-placeholder {
  background: var(--color-navy-dark);
  color: rgba(255, 255, 255, 0.7);
  padding-block: var(--space-7);
  font-size: 0.9rem;
}

/* ---------- Utility ---------- */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}