/* ==========================================================================
   KDM Facility — global stylesheet
   1. Design tokens
   2. Base
   3. Accessibility (skip-link, focus)
   4. Layout (container)
   5. Header & navigation
   6. Buttons
   7. Hero's
   8. Mobile menu
   9. Cards
   10. Forms
   11. Contact panel
   12. FAQ accordion
   13. Reveal animations
   14. Footer
   ========================================================================== */

/* 1. Design tokens
   ========================================================================== */
:root {
  --logo-height: 62px;
  --header-height: 88px;
  --navy: #0f172a;
  --navy-deep: #0b1120;
  --slate: #475569;
  --blue: #2563eb;
  --blue-dark: #1d4ed8;
  --blue-soft: #93c5fd;
  --soft: #f8fafc;
  --border: #e2e8f0;
  --success-bg: #ecfdf5;
  --success-text: #047857;
  --error-bg: #fef2f2;
  --error-text: #b91c1c;
  --ease-out: cubic-bezier(.22, 1, .36, 1);
}

@media (max-width: 640px) {
  :root {
    --logo-height: 50px;
    --header-height: 76px;
  }
}

/* 2. Base
   ========================================================================== */
html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 1rem);
}

body {
  font-family: Manrope, Inter, system-ui, sans-serif;
}

/* Nooit horizontaal scrollen, op geen enkel apparaat */
html,
body {
  overflow-x: hidden;
  overflow-x: clip;
}

body.menu-open {
  overflow: hidden;
}

/* Vloeiende typografie: koppen schalen traploos mee met de schermbreedte,
   in plaats van vaste sprongen per breakpoint. Voorkomt overlopende titels
   op smalle telefoons én tablets. */
.hero-bg h1 {
  font-size: clamp(2.1rem, 6.8vw + .6rem, 6.4rem);
}

.page-hero h1 {
  font-size: clamp(1.6rem, 4.2vw + .8rem, 4.5rem);
}

main .site-container h2 {
  font-size: clamp(1.7rem, 2.6vw + 1.1rem, 3.6rem);
}

h1,
h2,
h3 {
  overflow-wrap: break-word;
}

/* Laatste vangnet op zeer smalle schermen: lange woorden mogen afbreken */
@media (max-width: 520px) {
  main h1,
  main h2 {
    hyphens: auto;
  }
}

::selection {
  background: var(--blue);
  color: white;
}

img {
  max-width: 100%;
}

/* 3. Accessibility
   ========================================================================== */
.skip-link {
  position: fixed;
  left: 1rem;
  top: -100%;
  z-index: 100;
  padding: .8rem 1.4rem;
  background: var(--blue);
  color: white;
  font-weight: 800;
  transition: top .2s ease;
}

.skip-link:focus {
  top: 1rem;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 2px;
}

/* 4. Layout
   ========================================================================== */
.site-container {
  width: 100%;
  max-width: 1420px;
  margin-inline: auto;
  padding-inline: 1.25rem;
}

@media (min-width: 768px) {
  .site-container {
    padding-inline: 2.5rem;
  }
}

/* 5. Header & navigation
   ========================================================================== */
.logo-box {
  display: flex;
  align-items: center;
}

/* Het logo is een staand bestand: op hoogte schalen, breedte volgt vanzelf */
.logo-img {
  height: var(--logo-height);
  width: auto;
  filter: brightness(0) invert(1);
  transition: filter .25s ease, height .25s ease;
}

/* Alleen background en schaduw animeren; backdrop-filter is te duur om te animeren */
#siteHeader {
  transition: background-color .25s ease, box-shadow .25s ease;
}

.header-scrolled {
  background: rgba(255, 255, 255, .97);
  backdrop-filter: blur(8px);
  box-shadow: 0 12px 40px rgba(15, 23, 42, .08);
}

.header-scrolled .logo-img {
  filter: none;
}

.nav-link {
  position: relative;
  padding: .7rem .9rem;
  font-size: .92rem;
  font-weight: 800;
  color: rgba(255, 255, 255, .9);
  transition: color .2s ease;
}

.nav-link::after {
  content: "";
  position: absolute;
  left: .9rem;
  right: .9rem;
  bottom: .35rem;
  height: 2px;
  background: var(--blue);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .2s ease;
}

.nav-link:hover::after,
.nav-link.active::after {
  transform: scaleX(1);
}

.nav-link.active {
  color: white;
}

.header-scrolled .nav-link {
  color: var(--navy);
}

.header-scrolled .nav-link.active {
  color: var(--blue);
}

/* 6. Buttons
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3.25rem;
  padding: .95rem 1.45rem;
  border: 0;
  cursor: pointer;
  font: inherit;
  font-weight: 900;
  letter-spacing: -.01em;
  transition: transform .18s ease, background .18s ease, color .18s ease,
    box-shadow .18s ease, border-color .18s ease;
}

.btn[disabled] {
  opacity: .65;
  pointer-events: none;
}

.btn-primary {
  background: var(--blue);
  color: white;
  box-shadow: 0 16px 34px rgba(37, 99, 235, .24);
}

.btn-primary:hover {
  background: var(--blue-dark);
  transform: translateY(-2px);
}

.btn-primary::after {
  content: "→";
  margin-left: .75rem;
  transition: transform .18s ease;
}

.btn-primary:hover::after {
  transform: translateX(5px);
}

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

.btn-light:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 30px rgba(15, 23, 42, .18);
}

.btn-ghost {
  color: rgba(255, 255, 255, .8);
}

.btn-ghost:hover {
  color: white;
}

.btn-ghost::after {
  content: "→";
  margin-left: .65rem;
  transition: transform .18s ease;
}

.btn-ghost:hover::after {
  transform: translateX(5px);
}

/* Compacte knop in de navigatiebalk */
.btn-nav {
  min-height: 2.9rem;
  margin-left: .75rem;
  padding: .7rem 1.25rem;
  font-size: .92rem;
  background: white;
  color: var(--navy);
}

.btn-nav:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 26px rgba(15, 23, 42, .2);
}

.header-scrolled .btn-nav {
  background: var(--blue);
  color: white;
  box-shadow: 0 12px 26px rgba(37, 99, 235, .28);
}

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

.btn-white:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 30px rgba(15, 23, 42, .25);
}

.btn-outline-light {
  border: 1px solid rgba(255, 255, 255, .3);
  color: white;
}

.btn-outline-light:hover {
  background: rgba(255, 255, 255, .1);
  border-color: rgba(255, 255, 255, .55);
}

/* 7. Hero's
   ========================================================================== */
.hero-bg {
  min-height: 100vh;
  min-height: 100svh;
  background:
    linear-gradient(
      90deg,
      rgba(15, 23, 42, .88) 0%,
      rgba(15, 23, 42, .62) 45%,
      rgba(15, 23, 42, .18) 100%
    ),
    url("../assets/images/hero-desktop.jpg");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

@media (max-width: 640px) {
  .hero-bg {
    background:
      linear-gradient(
        180deg,
        rgba(15, 23, 42, .84) 0%,
        rgba(15, 23, 42, .64) 48%,
        rgba(15, 23, 42, .5) 100%
      ),
      url("../assets/images/hero-mobile.jpg");
    background-size: cover;
    background-position: center;
  }
}

/* Donkere paginakop voor subpagina's */
.page-hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, var(--navy-deep) 0%, var(--navy) 55%, #1e293b 100%);
}

.page-hero::before {
  content: "";
  position: absolute;
  top: -40%;
  right: -12%;
  width: 640px;
  height: 640px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(37, 99, 235, .3) 0%, transparent 65%);
  pointer-events: none;
}

.page-hero::after {
  content: "";
  position: absolute;
  bottom: -55%;
  left: -8%;
  width: 480px;
  height: 480px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(147, 197, 253, .12) 0%, transparent 65%);
  pointer-events: none;
}

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

.section-label {
  font-size: .76rem;
  font-weight: 900;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--blue);
}

.section-label-light,
.section-label--light {
  color: var(--blue-soft);
}

/* 8. Mobile menu
   ========================================================================== */
.menu-toggle {
  position: relative;
  width: 46px;
  height: 46px;
  border: 0;
  background: transparent;
  display: none;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

/* Modern twee-lijns icoon; de middelste span uit de markup blijft ongebruikt */
.menu-toggle span {
  position: absolute;
  width: 26px;
  height: 2px;
  border-radius: 2px;
  background: white;
  transition: transform .25s var(--ease-out), background .22s ease;
}

.menu-toggle span:nth-child(1) {
  transform: translateY(-4px);
}

.menu-toggle span:nth-child(2) {
  display: none;
}

.menu-toggle span:nth-child(3) {
  transform: translateY(4px);
}

.menu-toggle:hover span:nth-child(1) {
  transform: translateY(-6px);
}

.menu-toggle:hover span:nth-child(3) {
  transform: translateY(6px);
}

.header-scrolled .menu-toggle span {
  background: var(--navy);
}

/* Open menu: header boven het paneel zodat het icoon als kruisje zichtbaar blijft */
body.menu-open #siteHeader {
  z-index: 70;
  background: transparent;
  box-shadow: none;
  backdrop-filter: none;
}

body.menu-open .logo-img {
  filter: brightness(0) invert(1);
}

body.menu-open .menu-toggle span {
  background: white;
}

.menu-open .menu-toggle span:nth-child(1),
.menu-open .menu-toggle:hover span:nth-child(1) {
  transform: rotate(45deg);
}

.menu-open .menu-toggle span:nth-child(3),
.menu-open .menu-toggle:hover span:nth-child(3) {
  transform: rotate(-45deg);
}

@media (max-width: 1023px) {
  .menu-toggle {
    display: flex;
  }
}

.menu-overlay {
  position: fixed;
  inset: 0;
  z-index: 55;
  background: rgba(15, 23, 42, .62);
  backdrop-filter: blur(8px);
  opacity: 0;
  pointer-events: none;
  transition: opacity .25s ease;
}

.menu-overlay.is-open {
  opacity: 1;
  pointer-events: auto;
}

.menu-panel {
  position: fixed;
  inset-block: 0;
  right: 0;
  z-index: 60;
  width: min(100%, 410px);
  background: linear-gradient(165deg, var(--navy-deep) 0%, var(--navy) 70%, #16233d 100%);
  transform: translateX(100%);
  transition: transform .38s var(--ease-out);
  padding: 1.5rem 2rem 2rem;
  display: flex;
  flex-direction: column;
  box-shadow: -24px 0 60px rgba(15, 23, 42, .35);
}

.menu-panel.is-open {
  transform: translateX(0);
}

.menu-top {
  height: 58px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.menu-top span {
  display: none;
}

/* Overbodig: het hamburger-icoon zelf wordt het kruisje */
.menu-close {
  display: none;
}

.menu-nav {
  margin-top: 3rem;
  display: flex;
  flex-direction: column;
  gap: .35rem;
}

/* Grote, rustige links zonder lijnen of pijltjes */
.menu-link {
  display: block;
  padding: .55rem 0;
  font-size: clamp(1.55rem, 6vw, 1.9rem);
  font-weight: 900;
  letter-spacing: -.035em;
  line-height: 1.15;
  color: rgba(255, 255, 255, .92);
  transition: color .18s ease, transform .25s var(--ease-out);
}

.menu-link:hover {
  color: white;
  transform: translateX(6px);
}

.menu-link.active {
  color: var(--blue-soft);
}

.menu-actions {
  margin-top: 2.5rem;
  display: grid;
  gap: .75rem;
}

.menu-primary,
.menu-secondary {
  min-height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  transition: background .18s ease, color .18s ease;
}

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

.menu-primary:hover {
  background: var(--blue-dark);
}

.menu-secondary {
  background: rgba(255, 255, 255, .08);
  color: white;
}

.menu-secondary:hover {
  background: rgba(255, 255, 255, .16);
}

.menu-footer {
  margin-top: auto;
  padding-top: 2rem;
  display: grid;
  gap: .3rem;
  font-size: .88rem;
  color: rgba(255, 255, 255, .45);
}

.menu-footer strong {
  color: rgba(255, 255, 255, .85);
}

.menu-footer a {
  color: var(--blue-soft);
}

/* 9. Cards
   ========================================================================== */
.clean-card {
  border-top: 1px solid var(--border);
  padding: 2rem 0;
}

.dark-card {
  background: rgba(255, 255, 255, .045);
  border: 1px solid rgba(255, 255, 255, .1);
  padding: 2rem;
  transition: background .25s ease, border-color .25s ease, transform .25s var(--ease-out);
}

.dark-card:hover {
  background: rgba(255, 255, 255, .08);
  border-color: rgba(255, 255, 255, .22);
  transform: translateY(-4px);
}

.card {
  background: white;
  border: 1px solid var(--border);
  padding: 2rem;
  transition: transform .25s var(--ease-out), box-shadow .25s ease, border-color .25s ease;
}

.card:hover {
  transform: translateY(-4px);
  border-color: rgba(37, 99, 235, .35);
  box-shadow: 0 22px 44px rgba(15, 23, 42, .1);
}

.card--highlight {
  background: var(--blue);
  border-color: var(--blue);
  color: white;
}

.card--highlight p {
  color: rgba(255, 255, 255, .82);
}

.card--highlight:hover {
  border-color: var(--blue-dark);
  box-shadow: 0 22px 44px rgba(37, 99, 235, .32);
}

/* Vertrouwd-door logo-marquee (homepage) */
.logo-marquee {
  margin-top: 1.9rem;
  padding-bottom: 2.25rem;
  overflow: hidden;
  border-bottom: 1px solid var(--border);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}

.logo-track {
  display: flex;
  align-items: center;
  gap: 3.5rem;
  width: max-content;
  list-style: none;
  animation: marquee 35s linear infinite;
}

.logo-marquee:hover .logo-track {
  animation-play-state: paused;
}

.logo-track li {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.logo-track img {
  height: 54px;
  width: auto;
  object-fit: contain;
}

@keyframes marquee {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

@media (prefers-reduced-motion: reduce) {
  .logo-track {
    animation: none;
    flex-wrap: wrap;
    justify-content: center;
    width: auto;
    gap: 1.5rem 3rem;
  }

  .logo-marquee {
    -webkit-mask-image: none;
    mask-image: none;
  }
}

@media (max-width: 640px) {
  .logo-track {
    gap: 2.5rem;
    animation-duration: 25s;
  }

  .logo-track img {
    height: 40px;
  }
}

/* Tekstpagina's (privacyverklaring e.d.) */
.prose-kdm h2 {
  margin-top: 2.5rem;
  font-size: 1.45rem;
  font-weight: 900;
  letter-spacing: -.03em;
}

.prose-kdm h2:first-child {
  margin-top: 0;
}

.prose-kdm p {
  margin-top: 1rem;
  color: var(--slate);
  line-height: 1.8;
}

.prose-kdm ul {
  margin-top: 1rem;
  padding-left: 1.4rem;
  list-style: disc;
  color: var(--slate);
  line-height: 1.8;
}

.prose-kdm li {
  margin-top: .35rem;
}

.prose-kdm a {
  color: var(--blue);
  font-weight: 700;
}

.prose-kdm a:hover {
  text-decoration: underline;
}

/* Statistieken (over-ons) */
.stat-card {
  padding: 1.75rem 0;
  border-top: 2px solid var(--navy);
}

.stat-card .stat-value {
  font-size: 2.6rem;
  font-weight: 900;
  letter-spacing: -.05em;
  line-height: 1;
  color: var(--navy);
}

.stat-card .stat-label {
  margin-top: .6rem;
  font-size: .92rem;
  font-weight: 700;
  color: var(--slate);
}

/* Opdrachtgevers-chips (over-ons) */
.client-chips {
  display: flex;
  flex-wrap: wrap;
  gap: .7rem;
}

.chip {
  padding: .8rem 1.4rem;
  background: rgba(255, 255, 255, .06);
  border: 1px solid rgba(255, 255, 255, .12);
  font-size: .95rem;
  font-weight: 800;
  letter-spacing: -.01em;
  color: rgba(255, 255, 255, .88);
  transition: background .2s ease, border-color .2s ease, transform .25s var(--ease-out);
}

.chip:hover {
  background: rgba(255, 255, 255, .12);
  border-color: rgba(147, 197, 253, .45);
  transform: translateY(-3px);
}

/* Zekerheid-badges (over-ons) */
.badge-card {
  display: flex;
  gap: 1.1rem;
  padding: 1.75rem;
  background: white;
  border: 1px solid var(--border);
  transition: transform .25s var(--ease-out), box-shadow .25s ease, border-color .25s ease;
}

.badge-card:hover {
  transform: translateY(-4px);
  border-color: rgba(37, 99, 235, .35);
  box-shadow: 0 22px 44px rgba(15, 23, 42, .1);
}

.badge-icon {
  flex: none;
  width: 44px;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(37, 99, 235, .1);
  color: var(--blue);
}

.badge-icon svg {
  width: 22px;
  height: 22px;
}

/* 10. Forms
   ========================================================================== */
.form-label {
  display: block;
  margin-bottom: .45rem;
  font-size: .82rem;
  font-weight: 800;
  letter-spacing: .01em;
  color: var(--navy);
}

.form-input,
.form-select {
  width: 100%;
  min-height: 3.1rem;
  padding: .8rem 1rem;
  border: 1px solid var(--border);
  background: white;
  font: inherit;
  color: var(--navy);
  transition: border-color .18s ease, box-shadow .18s ease;
}

.form-input::placeholder {
  color: #94a3b8;
}

.form-input:focus,
.form-select:focus {
  outline: none;
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, .16);
}

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='9' fill='none'%3E%3Cpath d='M1 1l6 6 6-6' stroke='%230f172a' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.75rem;
}

.form-textarea {
  min-height: 150px;
  resize: vertical;
}

.form-input.input-error,
.form-select.input-error {
  border-color: var(--error-text);
}

.form-honeypot {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
  opacity: 0;
}

.form-message {
  padding: 1rem 1.25rem;
  font-weight: 700;
  line-height: 1.55;
}

.form-message--success {
  background: var(--success-bg);
  color: var(--success-text);
  border: 1px solid rgba(4, 120, 87, .25);
}

.form-message--error {
  background: var(--error-bg);
  color: var(--error-text);
  border: 1px solid rgba(185, 28, 28, .25);
}

/* 11. Contact panel
   ========================================================================== */
.contact-panel {
  align-self: start;
  padding: 2.5rem;
  background: linear-gradient(160deg, var(--navy) 0%, var(--navy-deep) 100%);
  color: white;
}

/* 12. FAQ accordion
   ========================================================================== */
.faq-list {
  display: grid;
  gap: .8rem;
}

.faq-item {
  background: white;
  border: 1px solid var(--border);
  transition: border-color .2s ease, box-shadow .2s ease;
}

.faq-item.is-open,
.faq-item:hover {
  border-color: rgba(37, 99, 235, .4);
}

.faq-item.is-open {
  box-shadow: 0 16px 36px rgba(15, 23, 42, .08);
}

.faq-item h3 {
  margin: 0;
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.3rem 1.5rem;
  border: 0;
  background: none;
  cursor: pointer;
  text-align: left;
  font: inherit;
  font-size: 1.05rem;
  font-weight: 900;
  letter-spacing: -.02em;
  color: var(--navy);
}

.faq-icon {
  flex: none;
  width: 30px;
  height: 30px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  color: var(--blue);
  font-size: 1.15rem;
  font-weight: 700;
  line-height: 1;
  transition: transform .3s var(--ease-out), background .2s ease, color .2s ease;
}

.faq-item.is-open .faq-icon {
  transform: rotate(45deg);
  background: var(--blue);
  border-color: var(--blue);
  color: white;
}

.faq-answer {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows .35s var(--ease-out);
}

.faq-item.is-open .faq-answer {
  grid-template-rows: 1fr;
}

.faq-answer-inner {
  overflow: hidden;
}

.faq-answer p {
  padding: 0 1.5rem 1.35rem;
  color: var(--slate);
  line-height: 1.7;
}

/* Fallback zonder JavaScript: antwoorden gewoon zichtbaar */
.no-js .faq-answer,
.faq-item:not(.faq-enhanced) .faq-answer {
  grid-template-rows: 1fr;
}

.faq-item:not(.faq-enhanced) h3 {
  padding: 1.3rem 1.5rem 0;
  font-size: 1.05rem;
  font-weight: 900;
}

.faq-item:not(.faq-enhanced) p {
  padding: .5rem 1.5rem 1.35rem;
  color: var(--slate);
  line-height: 1.7;
}

/* 13. Entree-animaties
   ==========================================================================
   Elementen schuiven subtiel op hun plek zodra ze in beeld komen.
   De verborgen begintoestand geldt alleen als JavaScript actief is
   (.has-reveal op <html>) — zonder JS is alle content direct zichtbaar. */
.has-reveal [data-reveal] {
  opacity: 0;
  transform: translateY(14px);
}

.has-reveal [data-reveal].is-visible {
  opacity: 1;
  transform: none;
  transition: opacity .5s ease, transform .55s var(--ease-out);
  transition-delay: var(--reveal-delay, 0s);
}

/* Bewegingsvoorkeuren
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  ::before,
  ::after {
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
  }
}

/* 14. Footer
   ========================================================================== */
/* Browser mag render-werk voor de footer uitstellen tot hij in beeld komt */
footer {
  content-visibility: auto;
  contain-intrinsic-size: auto 480px;
}

.footer-logo {
  height: 68px;
  width: auto;
  filter: brightness(0) invert(1);
}