/* ===== Variables ===== */
:root {
  --color-bg: #0A0A0F;
  --color-text: #FFFFFF;
  --color-text-secondary: #B8B8C0;
  --color-accent: #2563EB;
  --color-accent-hover: #1D4ED8;
  --color-overlay-bg: #1F1F2A;
  --color-overlay-hover: #2A2A36;
  --color-error: #EF4444;
  --color-popup-bg: #FFFFFF;
  --color-popup-text: #0A0A0F;
  --color-popup-text-soft: #6B7280;
  --color-input-border: #D1D5DB;
  --color-input-border-focus: #2563EB;
  --color-divider: rgba(255, 255, 255, 0.08);

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --container-max: 1120px;
  --popup-max: 480px;
  --radius: 8px;
  --transition: 200ms ease-out;
}

/* ===== Reset ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.5;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
a { color: inherit; }

/* ===== Layout ===== */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== Header ===== */
.site-header { padding: 24px 0; text-align: center; }
.logo {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  color: inherit;
}
.logo-img {
  height: 32px;
  width: auto;
  display: block;
}
.logo-text {
  display: none; /* JS toont 'm als logo-white.png niet bestaat */
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

/* ===== Hero ===== */
.hero { padding: 80px 0 120px; text-align: center; }
.hero-headline {
  font-size: clamp(32px, 5vw, 56px);
  line-height: 1.15;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0 auto 24px;
  max-width: 1040px;
}
.hero-headline .hl { color: var(--color-accent); }
.hero-sub {
  font-size: clamp(17px, 1.5vw, 22px);
  line-height: 1.5;
  color: var(--color-text-secondary);
  margin: 0 auto 32px;
  max-width: 840px;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 16px 32px;
  border-radius: var(--radius);
  font-size: 16px;
  font-weight: 600;
  transition: transform var(--transition), background var(--transition), box-shadow var(--transition);
  text-decoration: none;
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(180deg, #3B82F6 0%, #1D4ED8 100%);
  color: white;
  box-shadow: 0 8px 24px rgba(37, 99, 235, 0.45);
}
.btn-primary:hover {
  background: linear-gradient(180deg, #2563EB 0%, #1E3A8A 100%);
  transform: translateY(-1px);
  box-shadow: 0 12px 32px rgba(37, 99, 235, 0.55);
}
.btn-primary:active { transform: translateY(0); }
.btn-overlay {
  background: var(--color-overlay-bg);
  color: white;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
}
.btn-overlay:hover { background: var(--color-overlay-hover); transform: translateY(-1px); }
.icon-lock { font-size: 14px; }

/* ===== Video card (banner + wazige video als unified clickable element) ===== */
.video-card {
  max-width: 720px;
  margin: 32px auto 0;
  border-radius: 12px;
  overflow: hidden;
  cursor: pointer;
  transition: transform 200ms ease-out, box-shadow 200ms ease-out;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.5);
}
.video-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 28px 72px rgba(37, 99, 235, 0.25), 0 24px 64px rgba(0, 0, 0, 0.5);
}
.video-card:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 4px;
}
.click-banner {
  background: linear-gradient(90deg, var(--color-accent) 0%, var(--color-accent-hover) 100%);
  color: white;
  text-align: center;
  padding: 14px 24px;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.01em;
}
.video-card .video-blur {
  border-radius: 0;
  box-shadow: none;
}

/* Hero visual — proof-chart image i.p.v. wazige video.
   Container collapseert naar exacte image-grootte (geen extra space). */
.hero-visual {
  position: relative;
  width: 100%;
  background: #FFFFFF;
  line-height: 0;
}
.hero-visual-img {
  width: 100%;
  height: auto;
  display: block;
}

/* Main CTA below video — full width, prominent */
.btn-cta-main {
  display: block;
  margin: 24px auto 0;
  max-width: 720px;
  width: 100%;
  padding: 20px 32px;
  font-size: 17px;
}

/* ===== Video ===== */
.video-wrapper {
  margin: 48px auto 0;
  max-width: 720px;
  position: relative;
}
.video-blur {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-radius: 12px;
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.5);
}
.video-placeholder {
  position: relative;
  width: 100%;
  height: 100%;
  /* Gradient fallback — toont als assets/vsl-poster.jpg nog niet bestaat */
  background:
    radial-gradient(circle at 50% 45%, rgba(255, 255, 255, 0.12) 0%, transparent 35%),
    linear-gradient(135deg, #2A2A36 0%, #1F1F2A 100%);
  filter: blur(20px) brightness(0.7);
  -webkit-filter: blur(20px) brightness(0.7);
  overflow: hidden;
}
.video-poster-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  /* Wordt geblurred via parent .video-placeholder (CSS filter cascadeert) */
}
.video-iframe-wrapper {
  position: relative;
  padding-bottom: 56.25%; /* 16:9 ratio */
  height: 0;
  overflow: hidden;
  border-radius: 12px;
}
.video-iframe-wrapper iframe {
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 100%;
  border: none;
}
.video-blur .btn-primary {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  box-shadow: 0 8px 32px rgba(37, 99, 235, 0.5), 0 0 0 1px rgba(255, 255, 255, 0.05);
}
.video-blur .btn-primary:hover {
  transform: translate(-50%, -50%) translateY(-1px);
}
.video-actual { width: 100%; aspect-ratio: 16 / 9; border-radius: 12px; overflow: hidden; }
.video-actual video { width: 100%; height: 100%; display: block; background: black; }

/* State: na opt-in */
.video-wrapper.opted-in .video-blur { display: none; }
.video-wrapper.opted-in .video-actual { display: block; }

/* ===== Footer ===== */
.site-footer {
  padding: 48px 0;
  border-top: 1px solid var(--color-divider);
  font-size: 13px;
  color: var(--color-text-secondary);
  text-align: center;
}
.footer-links { margin-bottom: 8px; }
.footer-links a { text-decoration: none; transition: color var(--transition); }
.footer-links a:hover { color: white; }
.footer-meta { margin-bottom: 16px; opacity: 0.7; }
.footer-disclaimer { font-size: 12px; max-width: 640px; margin: 0 auto; line-height: 1.5; opacity: 0.6; }

/* ===== Popup ===== */
.popup-overlay {
  position: fixed; inset: 0;
  /* Bewust GEEN backdrop-filter: die dwingt de browser om de hele pagina achter
     de popup te blurren, opnieuw bij elke frame van de fade-in. Dat gaf merkbare
     hapering (vooral mobiel). Een iets donkerdere overlay geeft hetzelfde
     focus-effect en kost niets. */
  background: rgba(0, 0, 0, 0.75);
  display: flex; align-items: center; justify-content: center;
  z-index: 100;
  opacity: 0; visibility: hidden;
  transition: opacity var(--transition), visibility var(--transition);
  padding: 24px;
}
.popup-overlay.open { opacity: 1; visibility: visible; }

.popup {
  background: var(--color-popup-bg);
  color: var(--color-popup-text);
  border-radius: 12px;
  padding: 40px 32px 32px;
  width: 100%;
  max-width: var(--popup-max);
  position: relative;
  transform: scale(0.95);
  transition: transform var(--transition);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.4);
}
.popup-overlay.open .popup { transform: scale(1); }

.popup-close {
  position: absolute; top: 12px; right: 12px;
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  font-size: 24px; line-height: 1;
  color: var(--color-popup-text-soft);
  border-radius: var(--radius);
  transition: background var(--transition), color var(--transition);
}
.popup-close:hover { background: #F3F4F6; color: var(--color-popup-text); }

/* Progress bar (psychologie: "je bent er bijna") */
.popup-progress {
  position: relative;
  height: 28px;
  background: #F3F4F6;
  border-radius: 6px;
  overflow: hidden;
  margin-bottom: 20px;
}
.popup-progress-fill {
  position: absolute;
  inset: 0;
  width: 100%;
  transform-origin: left center;
  transform: scaleX(0.8);
  background: linear-gradient(90deg, var(--color-accent) 0%, var(--color-accent-hover) 100%);
  border-radius: 6px;
  /* scaleX i.p.v. width: dit draait op de GPU zonder layout-herberekening.
     Met width rekende de browser ~60x/sec de layout opnieuw uit, oneindig lang. */
  animation: progressShimmer 2.5s ease-in-out infinite;
  will-change: transform;
}
@keyframes progressShimmer {
  0%, 100% { transform: scaleX(0.78); }
  50%      { transform: scaleX(0.84); }
}

/* Respecteer de systeeminstelling "minder beweging" */
@media (prefers-reduced-motion: reduce) {
  .popup-progress-fill {
    animation: none;
    transform: scaleX(0.8);
  }
}
.popup-progress-label {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.15);
  z-index: 1;
}

.popup-subtitle {
  font-size: 14px;
  color: var(--color-popup-text-soft);
  margin-top: -16px;
  margin-bottom: 24px;
  text-align: left;
  line-height: 1.5;
}

.popup-logo {
  text-align: center;
  margin-bottom: 20px;
}
.popup-logo-img {
  height: 32px;
  width: auto;
  margin: 0 auto;
  display: block;
}
.popup-logo-text {
  display: none; /* JS toont 'm als logo-black.png niet bestaat */
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.02em;
}
.popup-title {
  font-size: 24px; line-height: 1.25;
  font-weight: 700; margin-bottom: 24px;
  text-align: left;
}

/* ===== Form ===== */
.form-group { margin-bottom: 16px; }
.form-group label {
  display: block;
  font-size: 14px; font-weight: 600;
  margin-bottom: 6px;
}
.form-group input {
  width: 100%;
  padding: 14px 16px;
  font-size: 16px; font-family: inherit;
  border: 1px solid var(--color-input-border);
  border-radius: var(--radius);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.form-group input:focus {
  outline: none;
  border-color: var(--color-input-border-focus);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}
.form-group input.invalid { border-color: var(--color-error); }
.form-error {
  display: block;
  color: var(--color-error);
  font-size: 13px;
  margin-top: 4px;
  min-height: 18px;
}

/* Phone input met land-dropdown */
.phone-input {
  display: flex;
  border: 1px solid var(--color-input-border);
  border-radius: var(--radius);
  overflow: hidden;
  background: white;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.phone-input:focus-within {
  border-color: var(--color-input-border-focus);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}
.phone-input.invalid {
  border-color: var(--color-error);
}
.phone-country {
  border: none;
  padding: 14px 8px 14px 12px;
  font-size: 15px;
  font-family: inherit;
  background: #F9FAFB;
  border-right: 1px solid var(--color-input-border);
  cursor: pointer;
  color: var(--color-popup-text);
}
.phone-country:focus {
  outline: none;
}
.phone-number {
  border: none;
  flex: 1;
  padding: 14px 16px;
  font-size: 16px;
  font-family: inherit;
  min-width: 0;
}
.phone-number:focus {
  outline: none;
}

/* Hint onder de knop */
.form-hint {
  text-align: center;
  font-size: 12px;
  color: var(--color-popup-text-soft);
  margin-top: 10px;
  font-style: italic;
}

.btn-submit { width: 100%; margin-top: 8px; }
.btn-submit.loading { background: #4B5563; pointer-events: none; }
.btn-submit.loading .btn-arrow { display: none; }

.form-trust {
  text-align: center;
  font-size: 13px;
  color: var(--color-popup-text-soft);
  margin-top: 16px;
}
.form-server-error {
  color: var(--color-error);
  font-size: 14px;
  margin-top: 12px;
  text-align: center;
}

/* ===== VSL PAGE ===== */
.vsl-main {
  padding: 32px 0 80px;
}

.vsl-intro {
  text-align: center;
  margin-bottom: 32px;
}
.vsl-greeting {
  font-size: 15px;
  color: var(--color-text-secondary);
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}
.vsl-headline {
  font-size: clamp(24px, 3.2vw, 36px);
  line-height: 1.25;
  font-weight: 700;
  letter-spacing: -0.01em;
  max-width: 860px;
  margin: 0 auto;
}

.vsl-video-section {
  margin: 0 auto 48px;
  max-width: 960px;
}
.vsl-video {
  position: relative;
  aspect-ratio: 16 / 9;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.5);
  background: #000;
}
.vsl-video video,
.vsl-video iframe {
  width: 100%;
  height: 100%;
  display: block;
  background: #000;
  border: none;
}

/* Klik-om-te-starten facade */
.vsl-video-facade {
  cursor: pointer;
}
.vsl-video-thumb {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.vsl-play-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  background: rgba(0, 0, 0, 0.35);
  transition: background var(--transition);
}
.vsl-video-facade:hover .vsl-play-overlay {
  background: rgba(0, 0, 0, 0.2);
}
.vsl-play-btn {
  width: 84px;
  height: 84px;
  border-radius: 50%;
  background: var(--color-accent);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 30px;
  padding-left: 6px;
  box-shadow: 0 8px 32px rgba(37, 99, 235, 0.55);
  transition: transform var(--transition), background var(--transition);
}
.vsl-video-facade:hover .vsl-play-btn {
  transform: scale(1.08);
  background: var(--color-accent-hover);
}
.vsl-play-label {
  color: white;
  font-size: 16px;
  font-weight: 600;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.6);
  padding: 6px 16px;
  background: rgba(0, 0, 0, 0.4);
  border-radius: 100px;
}

/* CTA section */
.cta-section {
  text-align: center;
  padding: 40px 24px;
  margin: 0 auto 48px;
  max-width: 720px;
  border-radius: 16px;
  background: linear-gradient(180deg, rgba(37, 99, 235, 0.08) 0%, rgba(37, 99, 235, 0.02) 100%);
  border: 1px solid rgba(37, 99, 235, 0.15);
}
.cta-section-final {
  margin-top: 48px;
  margin-bottom: 24px;
}
.cta-section[hidden] {
  display: none !important;
}
.cta-section.cta-revealed {
  display: block;
  animation: ctaFadeIn 700ms ease-out;
}
@keyframes ctaFadeIn {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
.cta-title {
  font-size: clamp(22px, 2.5vw, 30px);
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}
.cta-sub {
  font-size: 16px;
  color: var(--color-text-secondary);
  margin-bottom: 24px;
  max-width: 540px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.5;
}
.cta-note {
  font-size: 14px;
  font-style: italic;
  color: var(--color-text-secondary);
  opacity: 0.75;
  max-width: 540px;
  margin: -8px auto 24px;
  line-height: 1.5;
}

.btn-large {
  padding: 18px 36px;
  font-size: 17px;
}

/* Reviews */
.reviews-section {
  margin: 64px auto 48px;
  max-width: 1040px;
}
.section-title {
  text-align: center;
  font-size: clamp(24px, 2.8vw, 32px);
  font-weight: 700;
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}
/* Case-studies sectie heeft langere titel met emoji — iets kleiner */
.case-studies-section .section-title {
  font-size: clamp(18px, 2vw, 22px);
  line-height: 1.35;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}
.section-sub {
  text-align: center;
  font-size: 16px;
  color: var(--color-text-secondary);
  margin-bottom: 40px;
}

.reviews-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.review-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  padding: 28px;
  transition: border-color var(--transition), background var(--transition);
}
.review-card:hover {
  border-color: rgba(37, 99, 235, 0.3);
  background: rgba(255, 255, 255, 0.05);
}
.review-quote {
  font-size: 16px;
  line-height: 1.55;
  margin-bottom: 20px;
  color: var(--color-text);
}
.review-author {
  display: flex;
  align-items: center;
  gap: 12px;
}
.review-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-hover) 100%);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 18px;
  flex-shrink: 0;
}
.review-name {
  font-weight: 600;
  font-size: 15px;
}
.review-meta {
  font-size: 13px;
  color: var(--color-text-secondary);
  margin-top: 2px;
}

/* ===== Case study interviews (video grid) ===== */
.case-studies-section {
  margin: 64px auto 48px;
  max-width: 1040px;
}
.case-studies-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.case-study-card {
  cursor: pointer;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  overflow: hidden;
  transition: transform 200ms ease-out, border-color 200ms ease-out;
}
.case-study-card:hover {
  transform: translateY(-3px);
  border-color: rgba(37, 99, 235, 0.5);
}
.case-study-card:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
}
.case-study-thumb {
  position: relative;
  aspect-ratio: 16 / 9;
  background:
    radial-gradient(circle at 50% 45%, rgba(37, 99, 235, 0.15) 0%, transparent 50%),
    linear-gradient(135deg, #2A2A36 0%, #1F1F2A 100%);
  overflow: hidden;
}
.case-study-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.play-icon {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 68px;
  height: 68px;
  background: var(--color-accent);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  padding-left: 5px;
  box-shadow: 0 8px 24px rgba(37, 99, 235, 0.5), 0 0 0 4px rgba(255, 255, 255, 0.1);
  transition: transform 200ms ease-out, background 200ms ease-out;
}
.case-study-card:hover .play-icon {
  transform: translate(-50%, -50%) scale(1.08);
  background: var(--color-accent-hover);
}
.case-study-meta {
  padding: 20px 24px;
}
.case-study-name {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 4px;
  color: var(--color-text);
}
.case-study-result {
  font-size: 14px;
  color: var(--color-text-secondary);
}

/* ===== Lightbox video wrapper ===== */
.lightbox-video-wrapper {
  position: relative;
  width: min(92vw, 1100px);
  aspect-ratio: 16 / 9;
  background: #000;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.8);
}
.lightbox-video-wrapper iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: none;
}

/* ===== Legal pages (privacy + AV) ===== */
.legal-main {
  padding: 40px 0 80px;
}
.container-legal {
  max-width: 760px;
}
.legal-main h1 {
  font-size: clamp(28px, 3.5vw, 40px);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}
.legal-main h2 {
  font-size: clamp(18px, 2vw, 22px);
  font-weight: 700;
  margin-top: 32px;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}
.legal-main p,
.legal-main ul,
.legal-main ol {
  font-size: 15px;
  line-height: 1.65;
  color: var(--color-text-secondary);
  margin-bottom: 14px;
}
.legal-main strong {
  color: var(--color-text);
  font-weight: 600;
}
.legal-main ul,
.legal-main ol {
  padding-left: 22px;
}
.legal-main li {
  margin-bottom: 6px;
}
.legal-main a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.legal-main a:hover {
  color: var(--color-accent-hover);
}
.legal-meta {
  font-size: 13px;
  opacity: 0.6;
  margin-bottom: 24px;
}
.legal-back {
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--color-divider);
}

/* ===== Resultaten-wall (Instagram-screenshots) ===== */
.results-section {
  margin: 64px auto 48px;
  max-width: 1120px;
}
.featured-row {
  column-count: 3;
  column-gap: 16px;
  margin-bottom: 32px;
}
.featured-item {
  break-inside: avoid;
  margin-bottom: 16px;
  cursor: zoom-in;
  overflow: hidden;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.02);
  transition: transform var(--transition), border-color var(--transition);
}
.featured-item:hover {
  transform: translateY(-2px);
  border-color: rgba(37, 99, 235, 0.4);
}
.featured-item img {
  width: 100%;
  height: auto;
  display: block;
}

.results-wall {
  column-count: 4;
  column-gap: 16px;
}
.result-item {
  break-inside: avoid;
  margin-bottom: 16px;
  cursor: zoom-in;
  overflow: hidden;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.02);
  transition: border-color var(--transition);
}
.result-item:hover {
  border-color: rgba(37, 99, 235, 0.35);
}
.result-item img {
  width: 100%;
  height: auto;
  display: block;
}

/* ===== Lightbox ===== */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.92);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
  opacity: 0;
  visibility: hidden;
  transition: opacity 200ms ease-out, visibility 200ms ease-out;
  padding: 24px;
  cursor: zoom-out;
}
.lightbox.open {
  opacity: 1;
  visibility: visible;
}
.lightbox img {
  max-width: 92vw;
  max-height: 92vh;
  border-radius: 8px;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.8);
  cursor: default;
}
.lightbox-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 44px;
  height: 44px;
  background: rgba(255, 255, 255, 0.1);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  line-height: 1;
  cursor: pointer;
  transition: background var(--transition);
}
.lightbox-close:hover {
  background: rgba(255, 255, 255, 0.2);
}

/* ===== Responsive ===== */
@media (max-width: 640px) {
  /* Tighter mobile — high-ticket-stijl: zoveel mogelijk content above the fold */
  .site-header { padding: 10px 0; }
  .logo-img { height: 18px; }
  .hero { padding: 8px 0 24px; }
  .hero-headline {
    font-size: 22px;
    line-height: 1.18;
    margin-bottom: 10px;
    letter-spacing: -0.02em;
  }
  .hero-sub { font-size: 14px; margin-bottom: 14px; line-height: 1.4; }
  .btn { padding: 14px 20px; font-size: 15px; }
  .video-wrapper { margin-top: 14px; }
  .popup { padding: 28px 18px 22px; }
  .popup-title { font-size: 19px; }
  .btn-submit { padding: 16px; }

  /* VSL page mobile */
  .vsl-main { padding: 24px 0 64px; }
  .vsl-intro { margin-bottom: 24px; }
  .vsl-headline { font-size: 22px; }
  .vsl-play-btn { width: 64px; height: 64px; font-size: 24px; }
  .vsl-play-label { font-size: 14px; }
  .vsl-video-section { margin-bottom: 32px; }
  .cta-section { padding: 28px 20px; margin-bottom: 32px; border-radius: 12px; }
  .cta-title { font-size: 20px; }
  .cta-sub { font-size: 15px; }
  .btn-large { padding: 16px 24px; font-size: 16px; width: 100%; max-width: 320px; }
  .reviews-section { margin: 48px auto 32px; }
  .reviews-grid { grid-template-columns: 1fr; gap: 16px; }
  .review-card { padding: 20px; }
  .review-quote { font-size: 15px; margin-bottom: 16px; }

  /* Resultaten-wall mobile — featured row + wall beide 2-col masonry, variabele hoogtes */
  .results-section { margin: 48px auto 32px; }
  .featured-row {
    display: block;
    column-count: 2;
    column-gap: 12px;
    grid-template-columns: unset;
    gap: unset;
    margin-bottom: 24px;
  }
  .featured-item {
    break-inside: avoid;
    margin-bottom: 12px;
  }
  .results-wall { column-count: 2; column-gap: 12px; }
  .result-item { margin-bottom: 12px; }
  .lightbox { padding: 12px; }
  .lightbox img { max-width: 95vw; max-height: 85vh; }

  /* Landing video-card mobile — compact, fits in viewport */
  .video-card { margin-top: 14px; }
  .click-banner { font-size: 14px; padding: 9px 14px; }
  .btn-cta-main { padding: 15px 18px; font-size: 15px; margin-top: 14px; }

  /* Case studies mobile */
  .case-studies-section { margin: 48px auto 32px; }
  .case-studies-grid { grid-template-columns: 1fr; gap: 16px; }
  .case-study-meta { padding: 16px 18px; }
  .case-study-name { font-size: 16px; }
  .case-study-result { font-size: 13px; }
  .play-icon { width: 56px; height: 56px; font-size: 18px; }
  .lightbox-video-wrapper { width: 95vw; }
}

@media (min-width: 641px) and (max-width: 900px) {
  .results-wall { column-count: 3; }
}