/* ==========================================================
   Optiscan – huisstijl op basis van de brochure
   Navy basis, cyaan → blauw merkverloop, goud voor acties.
   Componenten gebruiken alleen de semantische tokens.
   ========================================================== */
:root {
  /* Basis (merk) */
  --navy: #001b3d;
  --navy-2: #0a2547;
  --navy-3: #13284a;
  --cyan: #5de0e6;
  --blue: #004aad;
  --blue-light: #3d8bfd;   /* blauw met voldoende contrast als tekst op navy */
  --sky: #2b8fd0;
  --gold: #efb92d;
  --orange: #ff8a3d;
  --white: #ffffff;

  /* Semantisch */
  --color-bg: var(--navy);
  --color-surface: var(--navy-2);
  --color-surface-2: var(--navy-3);
  --color-text: var(--white);
  --color-text-soft: #d6e0ee;
  --color-text-muted: #a9b8cf;
  --color-border: rgb(255 255 255 / .12);
  --color-border-accent: rgb(93 224 230 / .45);
  --color-primary: var(--gold);
  --color-on-primary: var(--navy);
  --color-accent: var(--cyan);
  --color-focus: var(--gold);
  --color-danger: #ff6b81;
  --color-success: #34d399;

  --gradient-brand: linear-gradient(90deg, var(--cyan), var(--blue));
  --gradient-brand-diag: linear-gradient(135deg, var(--cyan), var(--blue));
  --gradient-text: linear-gradient(90deg, var(--cyan), var(--blue-light));
  --gradient-action: linear-gradient(90deg, var(--gold), var(--orange));

  /* Spacing (4/8-schaal) */
  --space-1: 4px;  --space-2: 8px;  --space-3: 12px; --space-4: 16px; --space-5: 24px;
  --space-6: 32px; --space-7: 48px; --space-8: 64px; --space-9: 96px; --space-10: 128px;

  /* Typografie */
  --fs-xs: 0.8125rem;
  --fs-sm: 0.875rem;
  --fs-base: 1rem;
  --fs-lg: 1.125rem;
  --fs-h3: clamp(1.25rem, 1rem + 0.6vw, 1.5rem);
  --fs-h2: clamp(1.875rem, 1.2rem + 2.5vw, 2.875rem);
  --fs-sub: clamp(1.375rem, 1rem + 1.4vw, 2.125rem);
  --fs-display: clamp(3.5rem, 1.5rem + 7vw, 7.5rem);

  /* Vorm en diepte */
  --radius-sm: 8px; --radius-md: 12px; --radius-lg: 20px; --radius-pill: 999px;
  --shadow-sm: 0 2px 8px rgb(0 0 0 / .2);
  --shadow-md: 0 10px 30px rgb(0 0 0 / .3);
  --shadow-lg: 0 24px 60px rgb(0 0 0 / .4);
  --shadow-primary: 0 10px 30px rgb(239 185 45 / .3);

  /* Beweging */
  --ease: cubic-bezier(.2, .7, .2, 1);
  --dur-fast: 150ms; --dur: 250ms; --dur-slow: 650ms;

  --container: 1200px;
  --nav-h: 76px;
  color-scheme: dark;
}

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

html { scroll-behavior: smooth; scroll-padding-top: calc(var(--nav-h) + var(--space-4)); }

body {
  margin: 0;
  font-family: "Montserrat", system-ui, sans-serif;
  font-size: var(--fs-base);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
:focus-visible { outline: 2px solid var(--color-focus); outline-offset: 3px; }

h1, h2, h3 { text-wrap: balance; }
h2 {
  margin: 0 0 var(--space-4);
  font-weight: 800;
  font-size: var(--fs-h2);
  line-height: 1.15;
  letter-spacing: -.01em;
}
h3 { margin: 0 0 var(--space-3); font-weight: 700; font-size: var(--fs-h3); line-height: 1.25; }

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding-inline: clamp(16px, 4vw, 32px);
}

.gradient-text {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.skip-link {
  position: absolute;
  left: var(--space-4); top: -100px;
  z-index: 100;
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-pill);
  background: var(--color-primary);
  color: var(--color-on-primary);
  font-weight: 700;
  text-decoration: none;
}
.skip-link:focus { top: var(--space-4); }

/* ---------- Knoppen ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: 48px;
  padding: var(--space-3) var(--space-6);
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  background: var(--gradient-action);
  color: var(--color-on-primary);
  font: 700 0.9375rem/1 "Montserrat", sans-serif;
  letter-spacing: .02em;
  text-decoration: none;
  cursor: pointer;
  box-shadow: var(--shadow-primary);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.btn:active { transform: translateY(0) scale(.98); }
.btn:disabled,
.btn[aria-disabled="true"] { opacity: .5; cursor: not-allowed; transform: none; box-shadow: none; }
.btn--small { min-height: 44px; padding: var(--space-2) var(--space-5); font-size: var(--fs-sm); }
.btn--full { width: 100%; }

@media (hover: hover) {
  .btn:hover { transform: translateY(-2px); box-shadow: 0 14px 34px rgb(255 138 61 / .4); }
}

/* Tekstlink met verloop-onderlijn */
.link-mail {
  font-size: var(--fs-lg);
  font-weight: 500;
  text-decoration: none;
  background: var(--gradient-action) left bottom / 100% 2px no-repeat;
  padding-bottom: var(--space-1);
  transition: color var(--dur) var(--ease);
}
@media (hover: hover) {
  .link-mail:hover { color: var(--color-primary); }
}

/* ---------- Navigatie ---------- */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  transition: background-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.nav.is-scrolled {
  background: rgb(0 27 61 / .9);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 var(--color-border), var(--shadow-md);
}
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-h);
}
.logo {
  font-weight: 800;
  font-size: 1.625rem;
  letter-spacing: .02em;
  text-decoration: none;
}
.nav__menu { display: flex; align-items: center; gap: var(--space-6); }
.nav__menu a:not(.btn) {
  position: relative;
  padding-block: var(--space-2);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.9375rem;
  color: var(--color-text-soft);
  transition: color var(--dur) var(--ease);
}
.nav__menu a:not(.btn)::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 100%; height: 2px;
  border-radius: 2px;
  background: var(--gradient-brand);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur) var(--ease);
}
.nav__menu a.is-active { color: var(--color-text); }
.nav__menu a.is-active::after { transform: scaleX(1); }
@media (hover: hover) {
  .nav__menu a:not(.btn):hover { color: var(--color-text); }
  .nav__menu a:not(.btn):hover::after { transform: scaleX(1); }
}

.nav__toggle {
  display: none;
  width: 44px; height: 44px;
  padding: 0;
  place-content: center;
  background: none;
  border: 0;
  border-radius: var(--radius-sm);
  cursor: pointer;
}
.nav__toggle span {
  display: block;
  width: 26px; height: 2px;
  margin: 3px 0;
  border-radius: 2px;
  background: var(--color-text);
  transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease);
}

/* ---------- Decoratieve vormen (uit de brochure) ---------- */
.deco { position: absolute; pointer-events: none; }

.deco--dots {
  width: 120px; height: 120px;
  background-image: radial-gradient(circle, var(--white) 2.5px, transparent 3px);
  background-size: 30px 30px;
  opacity: .6;
}
.deco--dots-tl { top: 120px; left: 32px; }
.deco--dots-br { bottom: 48px; right: 48px; }
.deco--dots-sector { top: 64px; right: 48px; opacity: .3; }

.deco--ring {
  width: 70px; height: 70px;
  border-radius: 50%;
  background: var(--gradient-brand-diag);
  -webkit-mask: radial-gradient(circle, transparent 15px, #000 16px);
  mask: radial-gradient(circle, transparent 15px, #000 16px);
}
.deco--ring-tr { top: 112px; right: 5%; }
.deco--ring-bl { bottom: 64px; left: 22%; width: 56px; height: 56px; opacity: .8; }

.deco--arc {
  top: -40%; right: -10%;
  width: 70vw; height: 70vw;
  max-width: 1000px; max-height: 1000px;
  border-radius: 50%;
  background: var(--navy-3);
  opacity: .7;
}
.deco--arc::after {
  content: "";
  position: absolute;
  top: -10%; right: -25%;
  width: 70%; height: 70%;
  border-radius: 50%;
  background: var(--navy);
}

.deco--quarter {
  left: -220px; bottom: -260px;
  width: 520px; height: 520px;
  border-radius: 50%;
  background: linear-gradient(120deg, var(--sky) 0%, var(--blue) 70%);
  opacity: .9;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding: calc(var(--nav-h) + var(--space-7)) 0 var(--space-9);
  overflow: hidden;
}
.hero__grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: var(--space-8);
  align-items: center;
}
.hero__title {
  margin: 0;
  font-weight: 800;
  font-size: var(--fs-display);
  line-height: 1;
  letter-spacing: -.02em;
  filter: drop-shadow(0 10px 30px rgb(93 224 230 / .15));
}
.hero__sub {
  margin: var(--space-5) 0 0;
  font-size: var(--fs-sub);
  font-weight: 500;
  line-height: 1.25;
}
.hero__sub--light { margin-top: var(--space-2); font-weight: 400; color: var(--color-text-muted); }
.hero__lead {
  max-width: 52ch;
  margin: var(--space-6) 0 var(--space-7);
  color: var(--color-text-muted);
  font-size: var(--fs-lg);
}
.hero__cta { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-6); }

/* Foto's: de hoofdfoto volgt de verhouding van de foto zelf (1080 × 1034),
   zodat de scanners nooit bijgesneden worden. Kleine foto staat eronder,
   zonder overlap. */
.hero__visual {
  position: relative;
  aspect-ratio: 1 / 1.27; /* ruimte van ±12% tussen hoofdfoto en kleine foto */
}
.photo {
  margin: 0;
  overflow: hidden;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  background: var(--color-surface);
}
.photo img { width: 100%; height: 100%; object-fit: cover; }
.photo--main {
  position: absolute;
  top: 0; right: 0;
  width: 76%;
  aspect-ratio: 1080 / 1034;
}
.photo--small {
  position: absolute;
  bottom: 0; left: 0;
  width: 62%;
  aspect-ratio: 16 / 10;
  border: 4px solid var(--color-bg);
}
.photo--small img { object-position: center 45%; } /* laadstation in beeld */
.hero__line {
  position: absolute;
  left: 30%; bottom: 36.6%; /* midden tussen beide foto's */
  width: 44%; height: 4px;
  border-radius: 4px;
  background: var(--gradient-brand);
  z-index: 3;
}

/* ---------- Secties ---------- */
.section {
  position: relative;
  padding: var(--space-10) 0;
  overflow: hidden;
}
.section--alt {
  background:
    radial-gradient(600px 400px at 0% 0%, rgb(93 224 230 / .07), transparent 70%),
    radial-gradient(600px 400px at 100% 100%, rgb(0 74 173 / .18), transparent 70%),
    var(--color-surface);
}

.section__head {
  max-width: 720px;
  margin: 0 auto var(--space-8);
  text-align: center;
}
.section__head p {
  max-width: 60ch;
  margin: 0 auto;
  color: var(--color-text-muted);
  font-size: var(--fs-lg);
}

.eyebrow {
  display: inline-block;
  margin-bottom: var(--space-3);
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--color-accent);
}

/* Kaarten (diensten) */
.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
}
.card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: var(--space-6);
  border-radius: var(--radius-md);
  background: linear-gradient(180deg, rgb(255 255 255 / .03), transparent 60%), var(--color-surface);
  border: 1px solid var(--color-border);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease),
              box-shadow var(--dur) var(--ease);
}
.card p { margin: 0; color: var(--color-text-muted); font-size: 0.9375rem; }
.card__icon {
  display: grid;
  place-items: center;
  width: 52px; height: 52px;
  margin-bottom: var(--space-5);
  border-radius: var(--radius-md);
  background: var(--gradient-brand-diag);
  box-shadow: 0 8px 24px rgb(93 224 230 / .2);
}
.card__icon svg {
  width: 24px; height: 24px;
  fill: none;
  stroke: var(--white);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}
@media (hover: hover) {
  .card:hover {
    transform: translateY(-4px);
    border-color: var(--color-border-accent);
    box-shadow: var(--shadow-md);
  }
}

/* Sectoren */
.sectors {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
}
.sector {
  --sector-accent: var(--cyan);
  --sector-gradient: var(--gradient-text);
  --pad-x: var(--space-7);
  --pad-top: var(--space-7);
  position: relative;
  overflow: hidden;
  padding: var(--pad-top) var(--pad-x) var(--space-6);
  border-radius: var(--radius-md);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  box-shadow: inset 0 3px 0 var(--sector-accent), var(--shadow-md);
}
.sector:nth-child(2) {
  --sector-accent: var(--gold);
  --sector-gradient: var(--gradient-action);
}
/* Foto bovenaan de kaart, tot aan de randen, met de accentkleur eronder */
.sector__photo {
  margin: calc(var(--pad-top) * -1) calc(var(--pad-x) * -1) var(--space-6);
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border-bottom: 3px solid var(--sector-accent);
  background: var(--color-surface);
}
.sector__photo img { width: 100%; height: 100%; object-fit: cover; }
.sector:nth-child(2) .sector__photo img { object-position: center 40%; } /* scanner + labels */
.sector__num {
  margin-bottom: var(--space-4);
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1;
  background: var(--sector-gradient);
  -webkit-background-clip: text;
  background-clip: text;
}
.sector h3 { margin-bottom: var(--space-4); }
.sector .checklist li::before { background: var(--sector-accent); }

.checklist { list-style: none; margin: 0; padding: 0; }
.checklist li {
  position: relative;
  padding: var(--space-2) 0 var(--space-2) var(--space-6);
  color: var(--color-text-soft);
}
.checklist li::before {
  content: "";
  position: absolute;
  left: 0; top: 0.85em;
  width: 18px; height: 18px;
  border-radius: 50%;
  background: var(--gradient-brand-diag);
  -webkit-mask: radial-gradient(circle, transparent 4px, #000 5px);
  mask: radial-gradient(circle, transparent 4px, #000 5px);
}

/* Werkwijze */
.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
  counter-reset: step;
  position: relative;
}
.steps::before {
  content: "";
  position: absolute;
  top: 35px; left: 12.5%; right: 12.5%;
  height: 2px;
  border-radius: 2px;
  background: var(--gradient-brand);
  opacity: .5;
}
.step { position: relative; text-align: center; counter-increment: step; }
.step__ring {
  position: relative;
  display: grid;
  place-items: center;
  width: 72px; height: 72px;
  margin: 0 auto var(--space-5);
  border-radius: 50%;
  background: var(--gradient-brand-diag);
  box-shadow: 0 0 0 8px var(--color-bg);
}
.step__ring::after {
  content: counter(step);
  display: grid;
  place-items: center;
  width: 50px; height: 50px;
  border-radius: 50%;
  background: var(--color-bg);
  font-weight: 800;
  font-size: 1.25rem;
}
.step p {
  max-width: 28ch;
  margin: 0 auto;
  color: var(--color-text-muted);
  font-size: 0.9375rem;
}

/* Hardware split */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8);
  align-items: center;
}
.photo--feature { aspect-ratio: 4 / 4.2; }
.photo--feature img { object-position: center 30%; }
.split__text p { color: var(--color-text-muted); font-size: var(--fs-lg); }
.split__text .checklist { margin: var(--space-5) 0 var(--space-6); }

/* Contact */
.contact { padding-bottom: calc(var(--space-10) + var(--space-4)); }
.contact__grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8);
  align-items: start;
}
.contact__text p { color: var(--color-text-muted); font-size: var(--fs-lg); }
.contact__text h2 .gradient-text { background-image: var(--gradient-action); }
.contact__mail {
  display: inline-block;
  margin-top: var(--space-4);
  font-size: clamp(1.375rem, 1rem + 1.5vw, 2rem);
  font-weight: 600;
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}
@media (hover: hover) {
  .contact__mail:hover { color: var(--color-primary); }
}
.deco--quarter-contact { left: auto; right: -260px; bottom: -300px; opacity: .35; }
.deco--ring-contact { top: 80px; left: 46%; opacity: .7; }

/* Formulier */
.form {
  display: grid;
  gap: var(--space-5);
  padding: var(--space-7) var(--space-7) var(--space-6);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-lg);
}
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-5); }
.field { display: grid; gap: var(--space-2); }
.field label { font-size: var(--fs-sm); font-weight: 600; }
.field__optional { font-weight: 400; color: var(--color-text-muted); }
.field input,
.field select,
.field textarea {
  width: 100%;
  min-height: 48px;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-sm);
  border: 1px solid rgb(255 255 255 / .18);
  background: var(--color-bg);
  color: var(--color-text);
  font: 400 0.9375rem "Montserrat", sans-serif;
  transition: border-color var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease);
}
.field textarea { resize: vertical; min-height: 120px; }
.field :is(input, select, textarea):focus-visible {
  outline: none;
  border-color: var(--color-focus);
  box-shadow: 0 0 0 3px rgb(239 185 45 / .25);
}
.field [aria-invalid="true"] { border-color: var(--color-danger); }
.field__error { margin: 0; font-size: var(--fs-xs); font-weight: 500; color: var(--color-danger); }
.form__note { margin: 0; min-height: 1.4em; font-size: var(--fs-sm); color: var(--color-primary); }
.form__note.is-error { color: var(--color-danger); }

/* ---------- Footer ---------- */
.footer {
  position: relative;
  padding: var(--space-7) 0 var(--space-6);
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
}
.footer::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--gradient-brand);
  opacity: .6;
}
.footer__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}
.footer .logo { font-size: 1.375rem; }
.footer a { text-decoration: none; transition: color var(--dur) var(--ease); }
@media (hover: hover) {
  .footer a:hover { color: var(--color-primary); }
}
.footer__copy { margin-top: var(--space-4); font-size: var(--fs-xs); opacity: .8; }

/* ---------- Scroll-reveal (alleen als JS draait) ---------- */
.js .reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--dur-slow) var(--ease), transform var(--dur-slow) var(--ease);
  transition-delay: calc(var(--i, 0) * 80ms);
}
.js .reveal.is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js .reveal { opacity: 1; transform: none; transition: none; }
  *, *::before, *::after { transition-duration: 0ms !important; }
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .cards { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); row-gap: var(--space-7); }
  .steps::before { display: none; }
  .hero__grid,
  .split,
  .contact__grid { grid-template-columns: 1fr; gap: var(--space-8); }
  .hero__text { text-align: center; }
  .hero__lead { margin-left: auto; margin-right: auto; }
  .hero__cta { justify-content: center; }
  .hero__visual { max-width: 560px; width: 100%; margin: 0 auto; }
  .deco--ring-contact { display: none; }
}

@media (max-width: 768px) {
  .nav__toggle { display: grid; position: relative; z-index: 2; }
  .nav__menu {
    /* expliciete hoogte: backdrop-filter op .nav maakt van de balk het referentievlak */
    position: fixed;
    inset: 0 0 auto 0;
    height: 100vh;
    height: 100dvh;
    flex-direction: column;
    justify-content: center;
    gap: var(--space-6);
    background: var(--color-bg);
    transform: translateX(100%);
    visibility: hidden;
    transition: transform var(--dur) var(--ease), visibility 0s linear var(--dur);
  }
  .nav__menu a:not(.btn) { font-size: 1.25rem; }
  .nav.is-open .nav__menu {
    transform: none;
    visibility: visible;
    transition: transform var(--dur) var(--ease), visibility 0s;
  }
  .nav.is-open .nav__toggle span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
  .nav.is-open .nav__toggle span:nth-child(2) { opacity: 0; }
  .nav.is-open .nav__toggle span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

  .section { padding: var(--space-9) 0; }
  .section__head { margin-bottom: var(--space-7); }
  .cards,
  .sectors,
  .steps,
  .form__row { grid-template-columns: 1fr; }
  .sector { --pad-x: var(--space-5); --pad-top: var(--space-6); }
  .form { padding: var(--space-6) var(--space-5); }
  .deco--dots-tl, .deco--dots-sector, .deco--ring-tr { display: none; }
  .deco--dots-br { width: 90px; height: 90px; right: var(--space-4); bottom: var(--space-4); }
  .deco--ring-bl { display: none; }
  .deco--quarter { width: 340px; height: 340px; left: -180px; bottom: -200px; }
}

/* Contactformulier: verborgen anti-spamveld en verzendstatus */
.field--hp {
  position: absolute;
  left: -10000px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}
.btn:disabled { opacity: .7; cursor: progress; }