/* =============================================================
   STOLK AAN BOORD — styles.css
   Design-system: Maritime Pragmatism / Executive Interim System
   Bron: design-system.md (Stitch), design.md (klant)
   Mobile-first, geen externe imports
   ============================================================= */

/* ── 1. CSS Custom Properties (design-tokens) ──────────────── */
:root {
  /* Kleuren — primair palet */
  --color-primary:          #1B3A5C;
  --color-primary-deep:     #002444;
  --color-primary-mid:      #2B486B;
  --color-accent:           #F0A500;
  --color-accent-dark:      #C88800;

  /* Oppervlakken */
  --color-surface:          #F5F6F8;
  --color-surface-card:     #FFFFFF;
  --color-surface-low:      #F3F4F6;
  --color-border:           #E1E4E8;
  --color-border-mid:       #D1D9E0;

  /* Tekst */
  --color-text:             #191C1E;
  --color-text-mid:         #43474E;
  --color-text-light:       #73777F;

  /* Typografie */
  --font-heading:           'IBM Plex Sans', 'Segoe UI', system-ui, sans-serif;
  --font-body:              'Inter', 'Segoe UI', system-ui, sans-serif;

  /* Groottes — display */
  --fs-display:             clamp(2rem, 5vw, 3rem);
  --fs-h1:                  clamp(1.75rem, 4vw, 2.75rem);
  --fs-h2:                  clamp(1.375rem, 3vw, 2rem);
  --fs-h3:                  clamp(1.1rem, 2vw, 1.375rem);
  --fs-body-lg:             1.125rem;
  --fs-body:                1rem;
  --fs-label:               0.875rem;
  --fs-caption:             0.75rem;

  /* Regelafstand */
  --lh-heading:             1.15;
  --lh-body:                1.65;

  /* Spatiëring */
  --space-xs:               0.5rem;    /* 8px */
  --space-sm:               1rem;      /* 16px */
  --space-md:               1.5rem;    /* 24px */
  --space-lg:               2.5rem;    /* 40px */
  --space-xl:               4rem;      /* 64px */
  --space-section:          5rem;      /* 80px */

  /* Layout */
  --container-max:          1200px;
  --container-padding:      1rem;
  --border-radius:          4px;
  --border-radius-lg:       8px;

  /* Schaduwen */
  --shadow-card:            0 2px 4px rgba(26,26,46,.05);
  --shadow-hover:           0 4px 8px rgba(27,58,92,.10);
}

/* ── 2. Reset & basis ───────────────────────────────────────── */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  color: var(--color-text);
  background-color: var(--color-surface);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
}

a:hover,
a:focus-visible {
  color: var(--color-primary-deep);
}

:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 3px;
}

/* ── 3. Typografie ──────────────────────────────────────────── */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: var(--lh-heading);
  color: var(--color-primary-deep);
}

h1 { font-size: var(--fs-h1); letter-spacing: -0.02em; }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); }

p { margin-bottom: 0; }

strong { font-weight: 600; }

.accent-text {
  color: var(--color-accent);
}

.label-text {
  font-family: var(--font-body);
  font-size: var(--fs-label);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-mid);
}

.section-eyebrow {
  display: block;
  margin-bottom: var(--space-xs);
}

/* ── 4. Layout — container ──────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-padding);
}

@media (min-width: 720px) {
  :root {
    --container-padding: 2rem;
  }
}

@media (min-width: 1024px) {
  :root {
    --container-padding: 3rem;
  }
}

/* ── 5. Knoppen ─────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: 0.75rem 1.5rem;
  font-family: var(--font-body);
  font-size: var(--fs-body);
  font-weight: 600;
  line-height: 1.2;
  border-radius: var(--border-radius);
  cursor: pointer;
  text-decoration: none;
  transition: background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease;
  border: 2px solid transparent;
}

.btn-primary {
  background-color: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background-color: var(--color-primary-deep);
  border-color: var(--color-primary-deep);
  color: #fff;
}

.btn-accent {
  background-color: var(--color-accent);
  color: var(--color-primary-deep);
  border-color: var(--color-accent);
}

.btn-accent:hover,
.btn-accent:focus-visible {
  background-color: var(--color-accent-dark);
  border-color: var(--color-accent-dark);
  color: var(--color-primary-deep);
}

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

.btn-outline:hover,
.btn-outline:focus-visible {
  background-color: var(--color-primary);
  color: #fff;
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: var(--fs-label);
}

.btn-full {
  width: 100%;
}

/* ── 6. Header / Nav ────────────────────────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--color-surface-card);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding-block: var(--space-sm);
}

.site-logo {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
}

.logo-primary {
  color: var(--color-primary-deep);
}

.logo-accent {
  color: var(--color-primary);
}

.nav-links {
  display: none;
  list-style: none;
  gap: var(--space-md);
}

.nav-links a {
  font-size: var(--fs-label);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-decoration: none;
  color: var(--color-text-mid);
}

.nav-links a:hover,
.nav-links a:focus-visible {
  color: var(--color-primary);
}

@media (min-width: 720px) {
  .nav-links {
    display: flex;
  }
}

/* ── 7. Hero ────────────────────────────────────────────────── */
.hero {
  background-color: var(--color-primary-deep);
  color: #fff;
  padding-block: var(--space-xl);
}

.hero-inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

@media (min-width: 720px) {
  .hero-inner {
    flex-direction: row;
    align-items: center;
    gap: var(--space-xl);
  }

  .hero-content {
    flex: 1 1 60%;
  }

  .hero-visual {
    flex: 0 0 280px;
  }
}

.hero .section-eyebrow,
.hero .label-text {
  color: var(--color-accent);
}

.hero h1 {
  font-size: var(--fs-h1);
  color: #fff;
  margin-top: var(--space-xs);
  margin-bottom: var(--space-md);
}

.hero-sub {
  font-size: var(--fs-body-lg);
  color: rgba(255,255,255,.85);
  line-height: var(--lh-body);
  margin-bottom: var(--space-lg);
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.hero .btn-outline {
  border-color: rgba(255,255,255,.5);
  color: #fff;
}

.hero .btn-outline:hover,
.hero .btn-outline:focus-visible {
  background-color: rgba(255,255,255,.15);
  border-color: #fff;
  color: #fff;
}

.hero-trust {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  align-items: center;
}

.trust-item {
  font-size: var(--fs-label);
  font-weight: 600;
  color: rgba(255,255,255,.7);
  letter-spacing: 0.03em;
}

.trust-divider {
  color: rgba(255,255,255,.3);
}

.hero-photo-placeholder {
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  border: 2px solid rgba(255,255,255,.1);
  max-width: 280px;
  margin-inline: auto;
}

.hero-photo-placeholder svg {
  width: 100%;
  height: auto;
}

/* ── 8. Voor-wie ────────────────────────────────────────────── */
.voor-wie {
  padding-block: var(--space-section);
  background-color: var(--color-surface);
}

.voor-wie h2 {
  max-width: 640px;
  margin-bottom: var(--space-lg);
  margin-top: var(--space-xs);
}

.persona-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}

@media (min-width: 720px) {
  .persona-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.persona-card {
  background-color: var(--color-surface-card);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  padding: var(--space-md);
  position: relative;
  box-shadow: var(--shadow-card);
}

.persona-marker {
  width: 4px;
  height: 4px;
  background-color: var(--color-accent);
  border-radius: 0;
  position: absolute;
  top: var(--space-md);
  left: var(--space-md);
  /* Amber square pip zoals design-system beschrijft */
  width: 6px;
  height: 6px;
}

.persona-card h3 {
  font-size: 1.0625rem;
  margin-bottom: var(--space-xs);
  padding-left: var(--space-sm);
  color: var(--color-primary);
}

.persona-card p {
  font-size: var(--fs-body);
  color: var(--color-text-mid);
  line-height: var(--lh-body);
}

/* ── 9. Uitkomst ────────────────────────────────────────────── */
.uitkomst {
  padding-block: var(--space-section);
  background-color: var(--color-primary);
  color: #fff;
}

.uitkomst .section-eyebrow,
.uitkomst .label-text {
  color: var(--color-accent);
}

.uitkomst h2 {
  color: #fff;
  max-width: 600px;
  margin-top: var(--space-xs);
  margin-bottom: var(--space-lg);
}

.uitkomst-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  max-width: 760px;
}

.uitkomst-item {
  display: flex;
  gap: var(--space-md);
  align-items: flex-start;
  border-bottom: 1px solid rgba(255,255,255,.12);
  padding-bottom: var(--space-md);
}

.uitkomst-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.uitkomst-marker {
  flex-shrink: 0;
  width: 8px;
  height: 8px;
  background-color: var(--color-accent);
  margin-top: 0.5rem;
  border-radius: 0;
}

.uitkomst-item strong {
  display: block;
  font-family: var(--font-heading);
  font-size: var(--fs-h3);
  color: #fff;
  margin-bottom: var(--space-xs);
}

.uitkomst-item p {
  color: rgba(255,255,255,.8);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
}

/* ── 10. Methode ────────────────────────────────────────────── */
.methode {
  padding-block: var(--space-section);
  background-color: var(--color-surface);
}

.methode h2 {
  max-width: 560px;
  margin-top: var(--space-xs);
  margin-bottom: var(--space-sm);
}

.methode-intro {
  color: var(--color-text-mid);
  font-size: var(--fs-body-lg);
  max-width: 680px;
  margin-bottom: var(--space-lg);
}

.methode-steps {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0;
  max-width: 800px;
  border-left: 2px solid var(--color-border);
  padding-left: var(--space-md);
  margin-bottom: var(--space-xl);
}

.methode-step {
  display: flex;
  gap: var(--space-md);
  padding-bottom: var(--space-lg);
  position: relative;
}

.methode-step::before {
  content: '';
  position: absolute;
  left: calc(-1 * var(--space-md) - 5px);
  top: 6px;
  width: 8px;
  height: 8px;
  background-color: var(--color-primary);
  border-radius: 0;
}

.step-number {
  font-family: var(--font-heading);
  font-size: var(--fs-label);
  font-weight: 600;
  color: var(--color-accent);
  letter-spacing: 0.05em;
  min-width: 2rem;
  flex-shrink: 0;
  padding-top: 0.2rem;
}

.step-content h3 {
  font-size: 1.0625rem;
  margin-bottom: var(--space-xs);
  color: var(--color-primary);
}

.step-content p {
  color: var(--color-text-mid);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
}

.expertise-grid {
  background-color: var(--color-surface-card);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  padding: var(--space-md);
  max-width: 800px;
}

.expertise-intro {
  display: block;
  margin-bottom: var(--space-sm);
  color: var(--color-text-mid);
}

.expertise-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
}

.expertise-tag {
  background-color: var(--color-surface-low);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: 0.375rem 0.75rem;
  font-size: var(--fs-label);
  font-weight: 600;
  color: var(--color-primary);
  letter-spacing: 0.03em;
}

/* ── 11. Bewijs ─────────────────────────────────────────────── */
.bewijs {
  padding-block: var(--space-section);
  background-color: var(--color-surface-card);
}

.bewijs h2 {
  max-width: 560px;
  margin-top: var(--space-xs);
  margin-bottom: var(--space-lg);
}

.stats-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}

@media (min-width: 480px) {
  .stats-row {
    grid-template-columns: repeat(3, 1fr);
  }
}

.stat-block {
  text-align: center;
  padding: var(--space-md);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  border-top: 3px solid var(--color-primary);
}

.stat-number {
  display: block;
  font-family: var(--font-heading);
  font-size: 2.25rem;
  font-weight: 600;
  color: var(--color-primary);
  letter-spacing: -0.02em;
}

.stat-label {
  display: block;
  font-size: var(--fs-label);
  color: var(--color-text-mid);
  margin-top: var(--space-xs);
  line-height: 1.4;
}

.testimonials-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}

@media (min-width: 720px) {
  .testimonials-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.testimonial-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  padding: var(--space-md);
  box-shadow: var(--shadow-card);
}

.testimonial-placeholder-notice {
  display: inline-block;
  background-color: #FFF3CD;
  color: #856404;
  font-size: var(--fs-caption);
  font-weight: 600;
  padding: 0.25rem 0.5rem;
  border-radius: var(--border-radius);
  margin-bottom: var(--space-sm);
}

.testimonial-quote {
  font-size: var(--fs-body-lg);
  font-style: italic;
  color: var(--color-text);
  line-height: var(--lh-body);
  margin-bottom: var(--space-md);
}

.testimonial-meta {
  display: flex;
  flex-direction: column;
  gap: 2px;
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-sm);
}

.testimonial-name {
  font-size: var(--fs-body);
  font-weight: 600;
  color: var(--color-primary);
}

.testimonial-role {
  font-size: var(--fs-label);
  color: var(--color-text-light);
}

/* ── 12. Aanbod ─────────────────────────────────────────────── */
.aanbod {
  padding-block: var(--space-section);
  background-color: var(--color-surface);
}

.aanbod h2 {
  max-width: 560px;
  margin-top: var(--space-xs);
  margin-bottom: var(--space-sm);
}

.aanbod-intro {
  color: var(--color-text-mid);
  font-size: var(--fs-body-lg);
  max-width: 680px;
  margin-bottom: var(--space-lg);
}

.aanbod-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

@media (min-width: 720px) {
  .aanbod-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.aanbod-card {
  background-color: var(--color-surface-card);
  border: 1px solid var(--color-border);
  border-top: 3px solid var(--color-primary);
  border-radius: var(--border-radius-lg);
  padding: var(--space-md);
  box-shadow: var(--shadow-card);
}

.aanbod-card h3 {
  font-size: var(--fs-h3);
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
}

.aanbod-card p {
  color: var(--color-text-mid);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  margin-bottom: var(--space-md);
}

.aanbod-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.aanbod-features li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-xs);
  font-size: var(--fs-body);
  color: var(--color-text);
}

.aanbod-features li::before {
  content: '';
  display: inline-block;
  flex-shrink: 0;
  width: 6px;
  height: 6px;
  background-color: var(--color-accent);
  border-radius: 0;
  margin-top: 0.5rem;
}

.prijs-notice {
  background-color: var(--color-surface-card);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-accent);
  border-radius: var(--border-radius-lg);
  padding: var(--space-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  align-items: flex-start;
}

.prijs-notice p {
  color: var(--color-text-mid);
  font-size: var(--fs-body);
}

/* ── 13. FAQ ─────────────────────────────────────────────────── */
.faq {
  padding-block: var(--space-section);
  background-color: var(--color-surface-card);
}

.faq-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
}

@media (min-width: 720px) {
  .faq-inner {
    grid-template-columns: 1fr 2fr;
    align-items: start;
  }
}

.faq-header h2 {
  margin-top: var(--space-xs);
}

.faq-list {
  display: flex;
  flex-direction: column;
}

.faq-item {
  border-bottom: 1px solid var(--color-border);
}

.faq-item:first-child {
  border-top: 1px solid var(--color-border);
}

.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-md);
  padding-block: var(--space-md);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  font-weight: 600;
  color: var(--color-primary);
  cursor: pointer;
  list-style: none;
  user-select: none;
}

.faq-question::-webkit-details-marker {
  display: none;
}

.faq-question::after {
  content: '+';
  flex-shrink: 0;
  font-size: 1.25rem;
  font-weight: 400;
  color: var(--color-accent);
  transition: transform 0.2s ease;
}

details[open] .faq-question::after {
  content: '−';
}

.faq-answer {
  padding-bottom: var(--space-md);
  padding-right: var(--space-lg);
}

.faq-answer p {
  color: var(--color-text-mid);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
}

/* ── 14. Contact ─────────────────────────────────────────────── */
.contact {
  padding-block: var(--space-section);
  background-color: var(--color-primary-deep);
  color: #fff;
}

.contact-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
}

@media (min-width: 720px) {
  .contact-inner {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }
}

.contact .section-eyebrow,
.contact .label-text {
  color: var(--color-accent);
}

.contact h2 {
  color: #fff;
  margin-top: var(--space-xs);
  margin-bottom: var(--space-md);
}

.contact > .contact-inner > .contact-copy > p {
  color: rgba(255,255,255,.8);
  font-size: var(--fs-body-lg);
  margin-bottom: var(--space-lg);
}

.contact-opties {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.contact-optie {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  color: rgba(255,255,255,.85);
  text-decoration: none;
  font-size: var(--fs-body);
  font-weight: 600;
  transition: color 0.15s;
}

.contact-optie:hover,
.contact-optie:focus-visible {
  color: var(--color-accent);
}

.contact-icon {
  flex-shrink: 0;
}

.whatsapp-link {
  color: #25D366;
}

.whatsapp-link:hover,
.whatsapp-link:focus-visible {
  color: #1ebe5e;
}

.reactie-belofte {
  margin-top: var(--space-md);
  font-size: var(--fs-body);
  color: rgba(255,255,255,.6);
}

.contact-form-wrapper {
  background-color: var(--color-surface-card);
  border-radius: var(--border-radius-lg);
  padding: var(--space-lg);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

/* Honeypot verbergen */
.form-honeypot {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.form-field label {
  font-size: var(--fs-label);
  font-weight: 600;
  color: var(--color-text);
  letter-spacing: 0.03em;
}

.form-optional {
  font-weight: 400;
  color: var(--color-text-light);
}

.form-field input,
.form-field textarea {
  background-color: var(--color-surface-low);
  border: 1px solid var(--color-border-mid);
  border-radius: var(--border-radius);
  padding: 0.625rem 0.75rem;
  font-family: var(--font-body);
  font-size: var(--fs-body);
  color: var(--color-text);
  transition: border-color 0.15s;
  width: 100%;
}

.form-field input:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  border-width: 2px;
}

.form-field textarea {
  resize: vertical;
  min-height: 100px;
}

.form-privacy {
  font-size: var(--fs-caption);
  color: var(--color-text-light);
  text-align: center;
}

/* ── 15. Footer ─────────────────────────────────────────────── */
.site-footer {
  background-color: var(--color-primary-deep);
  border-top: 1px solid rgba(255,255,255,.08);
  padding-block: var(--space-lg);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

@media (min-width: 720px) {
  .footer-inner {
    grid-template-columns: 1fr 1fr 1fr;
    align-items: start;
  }
}

.footer-logo {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 600;
  color: #fff;
  display: block;
  margin-bottom: var(--space-xs);
}

.footer-tagline {
  font-size: var(--fs-label);
  color: rgba(255,255,255,.5);
  font-style: italic;
}

.footer-contact p {
  font-size: var(--fs-body);
  color: rgba(255,255,255,.7);
  line-height: 1.7;
}

.footer-contact a {
  color: rgba(255,255,255,.7);
  text-decoration: underline;
  text-underline-offset: 3px;
}

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

.footer-legal p {
  font-size: var(--fs-caption);
  color: rgba(255,255,255,.4);
  line-height: 1.7;
}

.footer-legal a {
  color: rgba(255,255,255,.5);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.footer-legal a:hover {
  color: rgba(255,255,255,.8);
}

.footer-copy {
  margin-top: var(--space-xs);
}

/* ── 16. Mobile sticky CTA ──────────────────────────────────── */
.sticky-cta {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 200;
  padding: var(--space-sm) var(--container-padding);
  background-color: var(--color-surface-card);
  border-top: 2px solid var(--color-accent);
  box-shadow: 0 -4px 12px rgba(0,0,0,.12);

  /* Alleen zichtbaar op mobiel */
  display: flex;
}

@media (min-width: 720px) {
  .sticky-cta {
    display: none;
  }
}

.sticky-cta-btn {
  display: block;
  width: 100%;
  text-align: center;
  background-color: var(--color-accent);
  color: var(--color-primary-deep);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  font-weight: 600;
  padding: 0.875rem 1rem;
  border-radius: var(--border-radius);
  text-decoration: none;
  transition: background-color 0.15s;
}

.sticky-cta-btn:hover,
.sticky-cta-btn:focus-visible {
  background-color: var(--color-accent-dark);
  color: var(--color-primary-deep);
}

/* Ruimte onder pagina zodat sticky CTA content niet overlapt op mobiel */
@media (max-width: 719px) {
  body {
    padding-bottom: 4.5rem;
  }
}

/* ── 17. Utilities ──────────────────────────────────────────── */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
}