/* ==========================================================================
   Struon — Design System
   Gebaseerd op het Elyte-referentiedesign · zie DESIGN.md
   ========================================================================== */

/* ---------- Tokens ---------- */
:root {
  --ink: #081014;
  --ink-deep: #050a0d;
  --paper: #f2f3f5;
  --white: #ffffff;
  --grey-300: #c8c8c8;
  --grey-500: #686868;
  --line-dark: rgba(8, 16, 20, 0.12);
  --line-light: rgba(255, 255, 255, 0.12);
  --accent: #253797;
  --accent-bright: #4f6ef7;
  --brand-indigo: #1c194f;
  --brand-blue: #2e6ac0;

  --font-sans: "Geist", "Inter", system-ui, -apple-system, sans-serif;
  --font-mono: "Fragment Mono", "SF Mono", monospace;

  --size-hero: clamp(2.6rem, 6.2vw, 5rem);
  --size-h2: clamp(2rem, 3.6vw, 3.25rem);
  --size-h3: clamp(1.05rem, 1.4vw, 1.2rem);
  --size-body: 1rem;
  --size-small: 0.875rem;
  --label-size: 0.72rem;
  --label-track: 0.14em;
  --label-sm-size: 0.66rem;
  --label-sm-track: 0.1em;

  --space-section: clamp(6rem, 11vw, 10rem);
  --gap-col: clamp(2rem, 6vw, 5rem);
  --radius: 4px;
  --container: 1200px;

  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --dur-reveal: 0.9s;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
}

body {
  font-family: var(--font-sans);
  font-size: var(--size-body);
  line-height: 1.6;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img, video { display: block; max-width: 100%; }
button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }

:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

::selection { background: var(--ink); color: var(--paper); }

.skip-link {
  position: fixed; top: -100px; left: 16px; z-index: 200;
  padding: 10px 18px; background: var(--ink); color: var(--white);
  font-size: var(--size-small); border-radius: var(--radius);
  transition: top 0.2s;
}
.skip-link:focus { top: 12px; }

.container {
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: clamp(20px, 5vw, 48px);
}

.section { padding-block: var(--space-section); }
.section--flush { padding-top: 0; }
.section__body { margin-top: 3rem; }
.lead + .lead { margin-top: 1.25rem; }

/* ---------- Typografie ---------- */
.label {
  font-family: var(--font-mono);
  font-size: var(--label-size);
  letter-spacing: var(--label-track);
  text-transform: uppercase;
  color: var(--grey-500);
  margin-bottom: 1.5rem;
}
.label--light { color: var(--grey-300); }

/* ---------- Merk-lockup: Struon-merk + Struon | slogan ---------- */
.lockup { display: flex; align-items: center; gap: 0.55rem; }
.lockup--light { color: var(--white); }
.lockup__mark { width: 40px; height: 19px; fill: currentColor; flex-shrink: 0; }
.lockup__name {
  font-family: "Inter", var(--font-sans);
  font-weight: 900;
  font-size: 1.35rem;
  line-height: 1;
  letter-spacing: -0.01em;
}
.lockup__divider { width: 1px; height: 22px; background: currentColor; opacity: 0.35; margin-inline: 0.55rem; }
.lockup__slogan { font-size: 1rem; font-weight: 400; opacity: 0.88; }

.h2 {
  font-size: var(--size-h2);
  font-weight: 500;
  line-height: 1.12;
  letter-spacing: -0.02em;
  max-width: 18em;
  margin-bottom: 1.25rem;
  text-wrap: balance;
}

.lead {
  font-size: 1.08rem;
  color: var(--grey-500);
  max-width: 36em;
}

/* ---------- Knoppen ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 0.6rem;
  padding: 0.78rem 1.35rem;
  font-size: var(--size-small); font-weight: 500;
  border-radius: var(--radius);
  transition: background 0.25s, color 0.25s, border-color 0.25s, transform 0.25s;
}
.btn__arrow {
  width: 13px; height: 13px;
  stroke: currentColor; stroke-width: 1.8; fill: none;
  transition: transform 0.3s var(--ease-out);
}
.btn:hover .btn__arrow { transform: translate(2px, -2px); }

.btn--white { background: var(--white); color: var(--ink); }
.btn--white:hover { background: #e2e4e8; }

.btn--light { background: var(--white); color: var(--ink); border: 1px solid var(--line-dark); }
.btn--light:hover { background: var(--ink); color: var(--white); }

.btn--dark { background: var(--ink); color: var(--white); }
.btn--dark:hover { background: var(--accent); }

.btn--ghost {
  color: var(--white);
  border: 1px solid var(--line-light);
  background: rgba(255, 255, 255, 0.04);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
}
.btn--ghost:hover { background: rgba(255, 255, 255, 0.12); }

/* ---------- Navigatie ---------- */
.nav {
  position: fixed; inset-inline: 0; top: 0; z-index: 100;
  transition: background 0.35s, box-shadow 0.35s;
  color: var(--white);
}
.nav.is-scrolled {
  background: rgba(242, 243, 245, 0.86);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  box-shadow: 0 1px 0 var(--line-dark);
  color: var(--ink);
}
.nav__inner {
  max-width: var(--container); margin-inline: auto;
  padding: 0 clamp(20px, 5vw, 48px);
  height: 76px;
  display: flex; align-items: center; justify-content: space-between; gap: 2rem;
}
.nav__logo { display: inline-flex; align-items: center; gap: 0.5rem; }
.nav__mark {
  width: 30px; height: 14.5px;
  fill: currentColor;
}
.nav__wordmark {
  font-family: "Inter", var(--font-sans);
  font-weight: 900;
  font-size: 1.15rem;
  line-height: 1;
  letter-spacing: -0.01em;
}

.nav__links { display: flex; align-items: center; gap: 2rem; }
.nav__link {
  font-size: var(--size-small); font-weight: 500;
  opacity: 0.85; transition: opacity 0.2s;
  padding-block: 0.4rem;
}
.nav__link:hover { opacity: 1; }

.nav__item--dropdown { position: relative; }
.nav__dropdown {
  position: absolute; top: calc(100% + 10px); left: -16px;
  min-width: 320px;
  background: var(--white); color: var(--ink);
  border: 1px solid var(--line-dark); border-radius: var(--radius);
  box-shadow: 0 24px 48px -16px rgba(8, 16, 20, 0.18);
  padding: 8px;
  opacity: 0; visibility: hidden; transform: translateY(8px);
  transition: opacity 0.25s, transform 0.25s, visibility 0.25s;
}
.nav__item--dropdown.is-open .nav__dropdown {
  opacity: 1; visibility: visible; transform: translateY(0);
}
.nav__dropdown-link {
  display: flex; gap: 0.9rem; align-items: baseline;
  padding: 0.8rem 1rem; border-radius: var(--radius);
  transition: background 0.2s;
}
.nav__dropdown-link:hover { background: var(--paper); }
.nav__dropdown-num {
  font-family: var(--font-mono); font-size: var(--label-size);
  color: var(--grey-500);
}
.nav__dropdown-link strong { display: block; font-weight: 500; font-size: 0.92rem; }
.nav__dropdown-link small { display: block; color: var(--grey-500); font-size: 0.78rem; }

.nav__actions { display: flex; align-items: center; gap: 1.25rem; }
.nav__lang {
  display: flex; align-items: center; gap: 0.35rem;
  font-family: var(--font-mono); font-size: var(--label-size);
  letter-spacing: var(--label-track);
}
.nav__lang-btn { opacity: 0.5; padding: 0.3rem 0.15rem; transition: opacity 0.2s; }
.nav__lang-btn:hover { opacity: 0.85; }
.nav__lang-btn.is-active { opacity: 1; text-decoration: underline; text-underline-offset: 4px; }
.nav__lang-sep { opacity: 0.4; }

.nav__burger {
  display: none;
  width: 40px; height: 40px;
  flex-direction: column; align-items: center; justify-content: center; gap: 7px;
}
.nav__burger span {
  display: block; width: 22px; height: 1.8px;
  background: currentColor; transition: transform 0.3s, opacity 0.3s;
}
.nav.is-open .nav__burger span:first-child { transform: translateY(4.4px) rotate(45deg); }
.nav.is-open .nav__burger span:last-child { transform: translateY(-4.4px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  display: flex; flex-direction: column; justify-content: flex-end;
  color: var(--white);
  overflow: hidden;
}
.hero__media { position: absolute; inset: 0; }
.hero__video {
  position: absolute; inset: 0;
  width: 100%; height: 100%; object-fit: cover;
  opacity: 0;
  transition: opacity 1.2s ease;
  /* eigen GPU-laag: voorkomt schokken bij de eerste paint vóór scrollen */
  transform: translateZ(0);
  will-change: transform, opacity;
  backface-visibility: hidden;
}
/* zoom alleen op de zichtbare video, niet op de verborgen tweede */
.hero__video.is-active {
  opacity: 1;
  animation: hero-zoom 24s ease-in-out infinite alternate;
}
@keyframes hero-zoom {
  from { transform: scale(1); }
  to { transform: scale(1.08); }
}
.hero__overlay {
  position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgba(8, 16, 20, 0.45) 0%, rgba(8, 16, 20, 0.25) 40%, rgba(8, 16, 20, 0.78) 100%),
    rgba(8, 16, 20, 0.18);
}
.hero__content {
  position: relative; z-index: 2;
  width: 100%;
  padding-bottom: clamp(7rem, 14vh, 10rem);
}
.hero__label { margin-bottom: 1.75rem; }
.hero__title {
  font-size: var(--size-hero);
  font-weight: 500;
  line-height: 1.06;
  letter-spacing: -0.025em;
  max-width: 15em;
  margin-bottom: 1.5rem;
}
.hero__line { display: block; overflow: hidden; padding-bottom: 0.08em; margin-bottom: -0.08em; }
.hero__line-inner { display: inline-block; }
.hero__sub {
  max-width: 34em;
  color: rgba(255, 255, 255, 0.78);
  font-size: 1.02rem;
  margin-bottom: 2.25rem;
}
.hero__ctas { display: flex; gap: 0.9rem; flex-wrap: wrap; }

/* Laad-animaties hero */
.reveal-load {
  opacity: 0;
  transform: translateY(28px);
  animation: rise var(--dur-reveal) var(--ease-out) forwards;
  animation-delay: calc(0.15s + var(--d, 0) * 0.13s);
}
.hero__line-inner.reveal-load {
  transform: translateY(108%);
  animation-name: rise-line;
}
@keyframes rise {
  to { opacity: 1; transform: translateY(0); }
}
@keyframes rise-line {
  to { opacity: 1; transform: translateY(0); }
}

/* ---------- Marquee ---------- */
.marquee {
  border-bottom: 1px solid var(--line-dark);
  padding-block: 1.4rem;
  overflow: hidden;
  background: var(--paper);
}
.marquee__track {
  display: flex; width: max-content;
  animation: marquee 36s linear infinite;
}
.marquee:hover .marquee__track { animation-play-state: paused; }
.marquee__group {
  display: flex; align-items: center;
  color: var(--grey-500);
  white-space: nowrap;
}
.marquee__logo {
  display: inline-flex; align-items: center; gap: 0.55rem;
  padding-inline: 2.4rem;
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: -0.01em;
}
.marquee__logo svg { width: 17px; height: 17px; fill: currentColor; flex-shrink: 0; }
.marquee__logo--lower { text-transform: lowercase; font-weight: 700; }
.marquee__logo--caps {
  font-family: var(--font-mono);
  font-size: 0.82rem; font-weight: 400;
  letter-spacing: 0.16em;
}
@keyframes marquee {
  to { transform: translateX(-50%); }
}

/* ---------- Layout-hulpen ---------- */
.grid-2 {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: var(--gap-col);
  align-items: start;
}

/* ---------- Kernthese ---------- */
.thesis__text .h2 { margin-bottom: 1rem; }
.thesis__text .lead { margin-bottom: 3rem; }

.numlist { border-top: 1px solid var(--line-dark); }
.numlist__item {
  display: flex; gap: 1.75rem;
  padding-block: 1.6rem;
  border-bottom: 1px solid var(--line-dark);
}
.numlist__num {
  font-family: var(--font-mono); font-size: var(--label-size);
  color: var(--grey-500);
  padding-top: 0.3rem;
}
.numlist__title { font-size: var(--size-h3); font-weight: 500; margin-bottom: 0.3rem; }
.numlist__desc { color: var(--grey-500); font-size: var(--size-small); max-width: 30em; }

.thesis__punch {
  margin-top: 2.5rem;
  font-size: 1.15rem;
  line-height: 1.5;
  max-width: 30em;
}

.thesis__media { position: sticky; top: 110px; }

/* ---------- Fotokaart ---------- */
.photocard {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
}
.photocard > img { width: 100%; aspect-ratio: 4 / 4.6; object-fit: cover; }
.photocard--tall > img { aspect-ratio: 4 / 5.4; }
.photocard__bar {
  position: absolute; left: 12px; right: 12px; bottom: 12px;
  display: flex; align-items: center; gap: 0.8rem;
  padding: 0.7rem 1rem;
  background: rgba(8, 16, 20, 0.82);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border-radius: var(--radius);
  color: var(--white);
}
.photocard__avatar {
  width: 36px; height: 36px; border-radius: 50%;
  object-fit: cover; border: 1px solid var(--line-light);
  flex-shrink: 0;
}
.photocard__who { flex: 1; line-height: 1.25; }
.photocard__who strong { display: block; font-size: 0.88rem; font-weight: 500; }
.photocard__who small { font-family: var(--font-mono); font-size: var(--label-sm-size); letter-spacing: var(--label-sm-track); text-transform: uppercase; color: var(--grey-300); }
.photocard__link {
  display: inline-flex; align-items: center; gap: 0.45rem;
  font-size: 0.82rem; font-weight: 500;
  border-bottom: 1px solid var(--line-light);
  padding-bottom: 2px;
  transition: border-color 0.25s;
}
.photocard__link:hover { border-color: var(--white); }
.photocard__link svg, .photocard__float svg, .proof__link svg, .faq__helper svg {
  width: 12px; height: 12px;
  stroke: currentColor; stroke-width: 1.8; fill: none;
  transition: transform 0.3s var(--ease-out);
}
.photocard__link:hover svg { transform: translate(2px, -2px); }

.photocard__float {
  position: absolute; left: 1rem; bottom: 1rem;
  display: inline-flex; align-items: center; gap: 0.7rem;
  background: var(--white); color: var(--ink);
  padding: 0.85rem 1.2rem;
  border-radius: var(--radius);
  font-size: var(--size-small); font-weight: 500;
  transition: gap 0.3s var(--ease-out);
}
.photocard__float:hover { gap: 1rem; }

/* ---------- Diensten ---------- */
.services__title { margin-bottom: 3.5rem; }
.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1.25rem, 2.5vw, 2rem);
}
.svc-card__media {
  position: relative; display: block;
  border-radius: var(--radius); overflow: hidden;
  aspect-ratio: 4 / 4.7;
  background: #0a0c24;
}
.svc-card__canvas {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  display: block;
}
.svc-card__media::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(8, 12, 36, 0.1) 0%, rgba(8, 12, 36, 0) 40%, rgba(8, 12, 36, 0.55) 78%, rgba(8, 12, 36, 0.88) 100%);
  transition: background 0.4s;
}
.svc-card__num {
  position: absolute; top: 1rem; left: 1.1rem; z-index: 2;
  font-family: var(--font-mono); font-size: var(--label-size);
  color: rgba(255, 255, 255, 0.85);
}
.svc-card__arrow {
  position: absolute; top: 0.9rem; right: 0.9rem; z-index: 2;
  width: 34px; height: 34px;
  display: grid; place-items: center;
  background: rgba(255, 255, 255, 0.14);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  border-radius: var(--radius);
  color: var(--white);
}
.svc-card__arrow svg {
  width: 13px; height: 13px;
  stroke: currentColor; stroke-width: 1.8; fill: none;
  transition: transform 0.3s var(--ease-out);
}
.svc-card__media:hover .svc-card__arrow svg { transform: translate(2px, -2px); }
.svc-card__name {
  position: absolute; left: 1.1rem; bottom: 1rem; z-index: 2;
  color: var(--white);
  font-size: 1.15rem; font-weight: 500;
}
.svc-card__desc {
  padding-top: 1rem;
  color: var(--grey-500); font-size: var(--size-small);
}

/* ---------- Vijf lagen ---------- */
.layers .h2 { margin-bottom: 3.5rem; }
.layers__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(2rem, 4vw, 3.5rem) clamp(1.5rem, 3vw, 2.5rem);
  border-top: 1px solid var(--line-dark);
  padding-top: 3rem;
}
.layers__grid--4 { grid-template-columns: repeat(4, 1fr); }
.layers__num {
  display: block;
  font-family: var(--font-mono); font-size: var(--label-size);
  color: var(--grey-500);
  margin-bottom: 1rem;
}
.layers__name { font-size: var(--size-h3); font-weight: 500; margin-bottom: 0.4rem; }
.layers__desc { color: var(--grey-500); font-size: var(--size-small); max-width: 26em; }
.layers__cell--outcome {
  background: var(--ink);
  color: var(--white);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin: -1.5rem;
  margin-top: -0.5rem;
}
.layers__cell--outcome .layers__num { color: var(--accent-bright); font-size: 1rem; }
.layers__cell--outcome .layers__desc { color: var(--grey-300); }

/* ---------- Bewijs ---------- */
.proof .h2 { margin-bottom: 3rem; }
.proof__card {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  color: var(--white);
}
.proof__media { position: absolute; inset: 0; }
.proof__video { width: 100%; height: 100%; object-fit: cover; }
.proof__overlay {
  position: absolute; inset: 0;
  background: linear-gradient(100deg, rgba(8, 16, 20, 0.92) 30%, rgba(8, 16, 20, 0.62) 100%);
}
.proof__content {
  position: relative; z-index: 2;
  padding: clamp(2rem, 5vw, 4rem);
}
.proof__text {
  max-width: 38em;
  font-size: 1.08rem;
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.88);
  margin-bottom: 1.75rem;
}
.proof__link {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-size: var(--size-small); font-weight: 500;
  border-bottom: 1px solid var(--line-light);
  padding-bottom: 3px;
  transition: border-color 0.25s;
}
.proof__link:hover { border-color: var(--white); }
.proof__link:hover svg { transform: translate(2px, -2px); }
.proof__stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  margin-top: 3rem;
  padding-top: 2.25rem;
  border-top: 1px solid var(--line-light);
}
.stat__value {
  display: block;
  font-size: clamp(1.9rem, 3vw, 2.6rem);
  font-weight: 500;
  letter-spacing: -0.02em;
  margin-bottom: 0.4rem;
}
.stat__desc {
  font-size: 0.8rem;
  color: var(--grey-300);
  line-height: 1.45;
  display: block;
  max-width: 16em;
}

/* ---------- Accordion ---------- */
.accordion { border-top: 1px solid var(--line-dark); }
.accordion__item { border-bottom: 1px solid var(--line-dark); }
.accordion__head {
  width: 100%;
  display: flex; align-items: center; justify-content: space-between; gap: 1.5rem;
  padding-block: 1.4rem;
  text-align: left;
}
.accordion__title { font-size: var(--size-h3); font-weight: 500; }
.accordion__num {
  font-family: var(--font-mono); font-size: var(--label-size);
  color: var(--grey-500);
}
.accordion__plus {
  position: relative;
  width: 14px; height: 14px; flex-shrink: 0;
}
.accordion__plus::before, .accordion__plus::after {
  content: "";
  position: absolute; inset: 0; margin: auto;
  background: var(--ink);
  transition: transform 0.35s var(--ease-out);
}
.accordion__plus::before { width: 14px; height: 1.6px; }
.accordion__plus::after { width: 1.6px; height: 14px; }
.accordion__item.is-open .accordion__plus::after { transform: rotate(90deg); }
.accordion__body {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.45s var(--ease-out);
}
.accordion__item.is-open .accordion__body { grid-template-rows: 1fr; }
.accordion__body > p {
  overflow: hidden;
  color: var(--grey-500);
  font-size: var(--size-small);
  max-width: 44em;
}
.accordion__item.is-open .accordion__body > p { padding-bottom: 1.5rem; }

.approach__text .h2 { margin-bottom: 2.5rem; }
.grid-2--media-first { align-items: stretch; }
.approach__media .photocard { height: 100%; }
.approach__media .photocard > img { height: 100%; }

/* ---------- Team ---------- */
.team__head {
  display: flex; justify-content: space-between; align-items: flex-end; gap: 2rem;
  margin-bottom: 3.5rem;
}
.team__head .h2 { margin-bottom: 0; }
.team__head .lead { max-width: 26em; font-size: var(--size-small); }
.team__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(1.25rem, 2.5vw, 2rem);
}
.member { display: flex; flex-direction: column; height: 100%; }
.member__photo {
  border-radius: var(--radius); overflow: hidden;
  aspect-ratio: 1;
  margin-bottom: 1.1rem;
}
.member__photo img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.8s var(--ease-out);
}
.member:hover .member__photo img { transform: scale(1.05); }
.member__company {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--label-sm-size);
  letter-spacing: var(--label-sm-track);
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.5rem;
}
.member__name { font-size: 1.1rem; font-weight: 500; margin-bottom: 0.45rem; }
.member__bg { font-size: 0.84rem; color: var(--grey-500); line-height: 1.5; margin-bottom: 1.1rem; }
.member__role {
  margin-top: auto;
  padding-top: 0.9rem;
  border-top: 1px solid var(--line-dark);
}
.member__role b {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.6rem; letter-spacing: 0.1em; text-transform: uppercase;
  font-weight: 400; color: var(--grey-500);
  margin-bottom: 0.35rem;
}
.member__title {
  display: block;
  font-size: 0.98rem; font-weight: 500; color: var(--ink); line-height: 1.2;
  margin-bottom: 0.2rem;
}
.member__fn { display: block; font-size: 0.82rem; color: var(--grey-500); line-height: 1.45; }

/* ---------- FAQ ---------- */
.grid-2--faq { grid-template-columns: 0.85fr 1.15fr; }
.faq__left { position: sticky; top: 110px; }
.faq__helper {
  display: inline-flex; align-items: center; gap: 0.7rem;
  margin-top: 2.5rem;
  padding: 1.1rem 1.3rem;
  background: var(--white);
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  font-size: var(--size-small); font-weight: 500;
  transition: border-color 0.25s, transform 0.25s;
}
.faq__helper:hover { border-color: var(--ink); }
.faq__helper:hover svg { transform: translate(2px, -2px); }
.accordion--faq .accordion__title { font-size: 1rem; padding-right: 1rem; }

/* ---------- CTA + Footer ---------- */
.cta {
  background:
    radial-gradient(120% 90% at 85% 110%, rgba(46, 106, 192, 0.38) 0%, transparent 58%),
    radial-gradient(90% 70% at 0% 0%, rgba(37, 55, 151, 0.3) 0%, transparent 55%),
    linear-gradient(168deg, var(--brand-indigo) 0%, #131543 35%, #0a0d2b 70%, #06081e 100%);
  color: var(--white);
  padding-top: var(--space-section);
}
.cta__top {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: var(--gap-col);
  align-items: end;
  margin-bottom: 3.5rem;
}
.cta__title {
  font-size: var(--size-h2);
  font-weight: 500;
  line-height: 1.1;
  letter-spacing: -0.02em;
  text-wrap: balance;
}
.cta__text { color: var(--grey-300); font-size: 1.02rem; max-width: 30em; }
.cta__bar {
  display: flex; align-items: center; gap: 1rem;
  background: var(--white); color: var(--ink);
  border-radius: var(--radius);
  padding: 0.9rem 0.9rem 0.9rem 1.5rem;
}
.cta__bar-label {
  font-size: var(--size-small); font-weight: 500;
  white-space: nowrap;
}
.cta__input {
  flex: 1; min-width: 0;
  border: none; background: transparent;
  font: inherit; font-size: var(--size-small);
  color: var(--ink);
  padding: 0.6rem;
  border-left: 1px solid var(--line-dark);
  outline-offset: -2px;
}
.cta__input::placeholder { color: var(--grey-500); }
.cta__fine {
  font-family: var(--font-mono); font-size: var(--label-sm-size);
  letter-spacing: var(--label-sm-track);
  color: var(--grey-300);
  margin-top: 0.9rem;
}

.footer { margin-top: clamp(4rem, 8vw, 6rem); padding-bottom: 2rem; }
.footer__card {
  background: var(--white); color: var(--ink);
  border-radius: var(--radius);
  padding: clamp(2rem, 4vw, 3rem);
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr 1fr;
  gap: 2rem;
}
.footer__heading {
  font-family: var(--font-mono); font-size: var(--label-size);
  letter-spacing: var(--label-track); text-transform: uppercase;
  color: var(--grey-500);
  font-weight: 400;
  margin-bottom: 1.1rem;
}
.footer__col a {
  display: block;
  font-size: var(--size-small);
  padding-block: 0.28rem;
  color: var(--ink);
  opacity: 0.8;
  transition: opacity 0.2s;
}
.footer__col a:hover { opacity: 1; }
.footer__address { font-size: var(--size-small); color: var(--grey-500); line-height: 1.7; }
.footer__bottom {
  display: flex; align-items: center; justify-content: space-between; gap: 1.5rem;
  padding-top: 1.75rem;
  flex-wrap: wrap;
}
.nav__logo--footer { color: var(--white); }
.footer__copy, .footer__slogan {
  font-family: var(--font-mono); font-size: var(--label-sm-size);
  letter-spacing: var(--label-sm-track);
  color: var(--grey-300);
}

/* ---------- Toast ---------- */
.toast {
  position: fixed; left: 50%; bottom: 28px; z-index: 300;
  transform: translate(-50%, 80px);
  background: var(--ink); color: var(--white);
  font-family: var(--font-mono); font-size: var(--label-sm-size);
  letter-spacing: var(--label-sm-track);
  padding: 0.85rem 1.4rem;
  border-radius: 100px;
  border: 1px solid var(--line-light);
  opacity: 0;
  transition: transform 0.45s var(--ease-out), opacity 0.45s;
  pointer-events: none;
  max-width: min(90vw, 480px);
  text-align: center;
}
.toast.is-visible { transform: translate(-50%, 0); opacity: 1; }

/* ==========================================================================
   Subpagina's (diensten)
   ========================================================================== */

/* ---------- Page-hero: donker, merkgradient, pilaarnummer als watermerk ---------- */
.page-hero {
  position: relative;
  min-height: 68vh;
  display: flex;
  align-items: flex-end;
  padding-top: 10rem;
  padding-bottom: clamp(3.5rem, 7vh, 5.5rem);
  color: var(--white);
  overflow: hidden;
  background:
    radial-gradient(110% 80% at 92% 0%, rgba(46, 106, 192, 0.3) 0%, transparent 55%),
    radial-gradient(90% 70% at 0% 100%, rgba(37, 55, 151, 0.35) 0%, transparent 60%),
    linear-gradient(160deg, var(--brand-indigo) 0%, #10123a 45%, var(--ink-deep) 100%);
}
.page-hero__media { position: absolute; inset: 0; background: #0a0c24; }
.page-hero__canvas {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  display: block;
}
.page-hero__tint {
  position: absolute; inset: 0;
  background:
    radial-gradient(110% 80% at 92% 0%, rgba(46, 106, 192, 0.22) 0%, transparent 55%),
    radial-gradient(90% 70% at 0% 100%, rgba(37, 55, 151, 0.32) 0%, transparent 60%),
    linear-gradient(160deg, rgba(20, 18, 58, 0.74) 0%, rgba(10, 12, 40, 0.6) 45%, rgba(4, 6, 24, 0.82) 100%);
}
.page-hero__num {
  position: absolute; right: -0.04em; bottom: -0.16em;
  font-family: "Inter", var(--font-sans);
  font-weight: 900;
  font-size: clamp(11rem, 26vw, 21rem);
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1.5px rgba(255, 255, 255, 0.18);
  pointer-events: none;
  user-select: none;
}
.page-hero .container { position: relative; z-index: 2; width: 100%; }
.page-hero__title {
  font-size: clamp(2.7rem, 5.6vw, 4.4rem);
  font-weight: 500;
  line-height: 1.05;
  letter-spacing: -0.025em;
  max-width: 13em;
  margin-bottom: 1.25rem;
  text-wrap: balance;
}
.page-hero__lead {
  max-width: 36em;
  color: rgba(255, 255, 255, 0.8);
  font-size: 1.05rem;
  margin-bottom: 2.25rem;
}

.crumbs {
  display: flex; align-items: center; gap: 0.6rem;
  font-family: var(--font-mono);
  font-size: var(--label-sm-size);
  letter-spacing: var(--label-sm-track);
  text-transform: uppercase;
  color: var(--grey-300);
  margin-bottom: 2.25rem;
}
.crumbs a { opacity: 0.7; transition: opacity 0.2s; }
.crumbs a:hover { opacity: 1; }
.crumbs i { font-style: normal; opacity: 0.4; }

/* ---------- Two-col met sticky introkolom ---------- */
.grid-2--sticky { grid-template-columns: 0.85fr 1.15fr; }
.grid-2--sticky > :first-child { position: sticky; top: 110px; }

/* ---------- A–H structuurdiagram ---------- */
.tree { border-top: 1px solid var(--line-dark); }
.tree__row {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 1.5rem;
  align-items: start;
  padding: 1.35rem 0.85rem;
  margin-inline: -0.85rem;
  border-bottom: 1px solid var(--line-dark);
  border-radius: var(--radius);
  transition: background 0.25s;
}
.tree__row:hover { background: var(--white); }
.tree__key {
  width: 44px; height: 44px;
  display: grid; place-items: center;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--accent);
  background: var(--white);
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  transition: background 0.25s, color 0.25s, border-color 0.25s;
}
.tree__row:hover .tree__key { background: var(--ink); color: var(--white); border-color: var(--ink); }
.tree__row--muted { opacity: 0.5; }
.tree__row--muted:hover { background: transparent; }
.tree__row--muted:hover .tree__key { background: var(--white); color: var(--accent); border-color: var(--line-dark); }
.tree__name { font-size: var(--size-h3); font-weight: 500; margin-bottom: 0.3rem; }
.tree__desc { color: var(--grey-500); font-size: var(--size-small); max-width: 38em; }

/* ---------- C-serie stack ---------- */
.stackpanel {
  position: relative;
  background:
    radial-gradient(100% 80% at 100% 0%, rgba(46, 106, 192, 0.18) 0%, transparent 55%),
    var(--ink);
  border-radius: var(--radius);
  padding: clamp(1.5rem, 3vw, 2.5rem);
  color: var(--white);
  overflow: hidden;
}
.stack__layer {
  padding: 1.1rem 1.3rem;
  border: 1px solid var(--line-light);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.03);
  transition: transform 0.35s var(--ease-out), background 0.25s, border-color 0.25s;
}
.stack__layer + .stack__layer { margin-top: 10px; }
.stack__layer:hover {
  transform: translateX(10px);
  background: rgba(255, 255, 255, 0.07);
  border-color: rgba(255, 255, 255, 0.3);
}
.stack__head { display: flex; align-items: baseline; gap: 1rem; margin-bottom: 0.25rem; }
.stack__code {
  font-family: var(--font-mono);
  font-size: var(--label-sm-size);
  letter-spacing: var(--label-sm-track);
  color: var(--accent-bright);
}
.stack__name { font-weight: 500; font-size: 1.02rem; }
.stack__desc { color: var(--grey-300); font-size: 0.85rem; max-width: 40em; }

/* ---------- Provider-chips ---------- */
.chips { display: flex; flex-wrap: wrap; gap: 0.6rem; align-content: flex-start; }
.grid-2 > .chips, .grid-2 > .usagebar { padding-top: 0.5rem; }
.chip {
  font-family: var(--font-mono);
  font-size: var(--label-sm-size);
  letter-spacing: var(--label-sm-track);
  text-transform: uppercase;
  padding: 0.6rem 1.05rem;
  background: var(--white);
  border: 1px solid var(--line-dark);
  border-radius: 100px;
  color: var(--ink);
}

/* ---------- Bento (domeinen) ---------- */
.bento {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(1rem, 2vw, 1.5rem);
}
.bento__card {
  position: relative;
  display: flex; flex-direction: column; justify-content: flex-end;
  min-height: 280px;
  padding: clamp(1.5rem, 3vw, 2rem);
  background: var(--white);
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 0.25s;
}
.bento__card:hover { border-color: var(--ink); }
.bento__card--media { border: none; color: var(--white); }
.bento__card--media img {
  position: absolute; inset: 0;
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.8s var(--ease-out);
}
.bento__card--media:hover img { transform: scale(1.05); }
.bento__card--media::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(8, 16, 20, 0.2) 0%, rgba(8, 16, 20, 0.78) 100%);
}
.bento__card--media > :not(img) { position: relative; z-index: 2; }
.bento__num {
  position: absolute; top: 1.4rem; left: clamp(1.5rem, 3vw, 2rem); z-index: 2;
  font-family: var(--font-mono);
  font-size: var(--label-size);
  color: var(--grey-500);
}
.bento__card--media .bento__num { color: var(--grey-300); }
.bento__name { font-size: 1.2rem; font-weight: 500; margin-bottom: 0.4rem; }
.bento__desc { font-size: var(--size-small); color: var(--grey-500); margin-bottom: 0.9rem; max-width: 30em; }
.bento__card--media .bento__desc { color: var(--grey-300); }
.bento__tags {
  font-family: var(--font-mono);
  font-size: var(--label-sm-size);
  letter-spacing: var(--label-sm-track);
  text-transform: uppercase;
  color: var(--grey-500);
}
.bento__card--media .bento__tags { color: rgba(255, 255, 255, 0.65); }

/* ---------- Gebruiksbalk (reverse engineering) ---------- */
.usagebar { max-width: 640px; }
.usagebar__nums { display: flex; align-items: baseline; gap: 0.75rem; margin-bottom: 1rem; }
.usagebar__pct {
  font-size: clamp(2.4rem, 4vw, 3.4rem);
  font-weight: 500;
  letter-spacing: -0.02em;
}
.usagebar__track {
  height: 14px;
  border-radius: 100px;
  background: rgba(8, 16, 20, 0.08);
  overflow: hidden;
}
.usagebar__fill {
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--accent), var(--brand-blue));
  transition: width 1.4s var(--ease-out) 0.3s;
}
.reveal.is-visible .usagebar__fill,
html:not(.js) .usagebar__fill { width: var(--fill, 18%); }
.usagebar__legend {
  display: flex; justify-content: space-between; gap: 1.5rem;
  margin-top: 0.9rem;
  font-family: var(--font-mono);
  font-size: var(--label-sm-size);
  letter-spacing: var(--label-sm-track);
  color: var(--grey-500);
}

/* ---------- Scope-rijen ---------- */
.scope { border-top: 1px solid var(--line-dark); }
.scope__row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1.5rem;
  align-items: center;
  padding-block: 1.5rem;
  border-bottom: 1px solid var(--line-dark);
}
.scope__name { font-size: var(--size-h3); font-weight: 500; margin-bottom: 0.3rem; }
.scope__desc { color: var(--grey-500); font-size: var(--size-small); max-width: 34em; }
.scope__tag {
  font-family: var(--font-mono);
  font-size: var(--label-sm-size);
  letter-spacing: var(--label-sm-track);
  text-transform: uppercase;
  padding: 0.55rem 0.95rem;
  border: 1px solid var(--line-dark);
  border-radius: 100px;
  color: var(--accent);
  white-space: nowrap;
}

/* ---------- Cases: flagship-kaart ---------- */
.mono-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--label-sm-size);
  letter-spacing: var(--label-sm-track);
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.9rem;
}
.casecard {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  background: var(--white);
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 0.25s;
}
.casecard:hover { border-color: var(--ink); }
.casecard__media { position: relative; background: #0a0c24; min-height: 320px; }
.casecard__canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
.casecard__body { padding: clamp(1.75rem, 3.5vw, 3rem); }
.casecard__title { font-size: clamp(1.5rem, 2.4vw, 2rem); font-weight: 500; line-height: 1.15; letter-spacing: -0.02em; margin-bottom: 0.9rem; text-wrap: balance; }
.casecard__desc { color: var(--grey-500); font-size: 0.95rem; margin-bottom: 1.5rem; max-width: 38em; }
.casecard__stats { display: flex; gap: 2rem; flex-wrap: wrap; padding-block: 1.25rem; border-top: 1px solid var(--line-dark); border-bottom: 1px solid var(--line-dark); margin-bottom: 1.5rem; }
.casecard__num { display: block; font-size: 1.6rem; font-weight: 500; letter-spacing: -0.02em; line-height: 1.1; }
.casecard__lab { display: block; font-size: 0.74rem; color: var(--grey-500); max-width: 14em; margin-top: 0.2rem; }
.casecard__link { display: inline-flex; align-items: center; gap: 0.5rem; font-size: var(--size-small); font-weight: 500; color: var(--accent); }
.casecard__link svg { width: 13px; height: 13px; stroke: currentColor; stroke-width: 1.8; fill: none; transition: transform 0.3s var(--ease-out); }
.casecard:hover .casecard__link svg { transform: translate(2px, -2px); }
@media (max-width: 768px) {
  .casecard { grid-template-columns: 1fr; }
  .casecard__media { min-height: 200px; }
}

/* ---------- Quote-banner ---------- */
.quote {
  background:
    radial-gradient(90% 100% at 85% 100%, rgba(46, 106, 192, 0.16) 0%, transparent 60%),
    var(--ink);
  color: var(--white);
  padding-block: clamp(4.5rem, 9vw, 7rem);
}
.quote__text {
  font-size: clamp(1.45rem, 2.7vw, 2.1rem);
  font-weight: 500;
  line-height: 1.3;
  letter-spacing: -0.015em;
  max-width: 24em;
  text-wrap: balance;
}

/* ---------- Kruislinks naar andere diensten ---------- */
.xlinks__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(1rem, 2vw, 1.5rem);
}
.xlink {
  position: relative;
  display: block;
  padding: clamp(1.5rem, 3vw, 2rem);
  background: var(--white);
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  transition: border-color 0.25s;
}
.xlink:hover { border-color: var(--ink); }
.xlink__num {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--label-size);
  color: var(--grey-500);
  margin-bottom: 2.5rem;
}
.xlink__name { font-size: 1.15rem; font-weight: 500; margin-bottom: 0.35rem; }
.xlink__desc { font-size: var(--size-small); color: var(--grey-500); }
.xlink__arrow {
  position: absolute; top: 1.4rem; right: 1.4rem;
  width: 34px; height: 34px;
  display: grid; place-items: center;
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  color: var(--ink);
  transition: background 0.25s, color 0.25s, border-color 0.25s;
}
.xlink__arrow svg {
  width: 13px; height: 13px;
  stroke: currentColor; stroke-width: 1.8; fill: none;
  transition: transform 0.3s var(--ease-out);
}
.xlink:hover .xlink__arrow { background: var(--ink); color: var(--white); border-color: var(--ink); }
.xlink:hover .xlink__arrow svg { transform: translate(2px, -2px); }

/* ---------- Subpagina responsive ---------- */
@media (max-width: 1024px) {
  .grid-2--sticky { grid-template-columns: 1fr; }
  .grid-2--sticky > :first-child { position: static; }
}
@media (max-width: 768px) {
  .bento, .xlinks__grid { grid-template-columns: 1fr; }
  .scope__row { grid-template-columns: 1fr; align-items: start; }
  .scope__tag { justify-self: start; }
  .page-hero { min-height: 56vh; padding-top: 8rem; }
}

/* ---------- Scroll-reveals ---------- */
/* Alleen verbergen wanneer JS daadwerkelijk draait (html.js), anders blijft alles zichtbaar */
html.js .reveal {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity var(--dur-reveal) var(--ease-out),
    transform var(--dur-reveal) var(--ease-out);
  transition-delay: var(--stagger, 0s);
}
html.js .reveal.is-visible { opacity: 1; transform: translateY(0); }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .grid-2, .grid-2--faq { grid-template-columns: 1fr; }
  .thesis__media, .faq__left { position: static; }
  .grid-2--media-first .approach__media { order: 2; }
  .team__grid { grid-template-columns: repeat(2, 1fr); }
  .layers__grid { grid-template-columns: repeat(2, 1fr); }
  .cta__top { grid-template-columns: 1fr; align-items: start; }
  .footer__card { grid-template-columns: repeat(2, 1fr); }
  .proof__stats { grid-template-columns: repeat(2, 1fr); }
}

.nav__cta-m { display: none; }

@media (max-width: 900px) {
  .nav__links {
    position: fixed; inset: 0;
    flex-direction: column; align-items: stretch; justify-content: flex-start;
    gap: 0;
    padding: calc(76px + 1.5rem) clamp(20px, 6vw, 36px) 2rem;
    background: var(--ink); color: var(--white);
    overflow-y: auto;
    opacity: 0; visibility: hidden;
    transform: translateY(-8px);
    transition: opacity 0.3s, visibility 0.3s, transform 0.3s var(--ease-out);
  }
  .nav.is-open .nav__links { opacity: 1; visibility: visible; transform: none; }
  .nav.is-open { color: var(--white); }

  /* Diensten bovenaan, met submenu altijd zichtbaar (geen verborgen tap) */
  .nav__item--dropdown { order: -1; }
  .nav__link {
    font-size: 1.2rem; font-weight: 500;
    padding-block: 1rem; opacity: 1;
    border-bottom: 1px solid var(--line-light);
  }
  .nav__link--btn {
    width: 100%; text-align: left;
    border-bottom: 1px solid var(--line-light);
    pointer-events: none; /* fungeert als sectiekop op mobiel */
  }
  .nav__dropdown {
    position: static; display: block;
    opacity: 1; visibility: visible; transform: none;
    background: transparent; color: var(--white);
    border: none; box-shadow: none;
    min-width: 0; padding: 0.25rem 0 0.5rem;
  }
  .nav__dropdown-link { padding: 0.7rem 0; border-radius: 0; }
  .nav__dropdown-link:hover { background: transparent; }
  .nav__dropdown-num { color: var(--accent-bright); }
  .nav__dropdown-link strong { font-size: 1rem; }
  .nav__dropdown-link small { color: var(--grey-300); }

  /* Mobiele CTA onderaan het menu */
  .nav__cta-m {
    display: block; text-align: center;
    margin-top: 1.75rem; padding: 0.95rem 1.25rem;
    background: var(--white); color: var(--ink);
    border-radius: var(--radius);
    font-size: 1rem; font-weight: 500;
  }

  .nav__burger { display: flex; }
  .nav__cta { display: none; }
}

@media (max-width: 768px) {
  .services__grid { grid-template-columns: 1fr; }
  .team__head { flex-direction: column; align-items: flex-start; }
  .cta__bar { flex-wrap: wrap; padding: 1.1rem; }
  .cta__bar-label { width: 100%; }
  .cta__input { border-left: none; border-top: 1px solid var(--line-dark); width: 100%; flex-basis: 60%; padding-left: 0; }

  /* Hero compacter op mobiel */
  .hero__content { padding-bottom: clamp(3rem, 9vh, 5rem); }
  .hero__title { font-size: clamp(1.95rem, 8.4vw, 2.6rem); letter-spacing: -0.02em; }
  .hero__title { max-width: 100%; }
  .hero__label { margin-bottom: 1.25rem; }
  .lockup__slogan { font-size: 0.9rem; }
  .hero__sub { font-size: 0.92rem; line-height: 1.5; max-width: 100%; margin-bottom: 1.75rem; }
  .page-hero__title { font-size: clamp(2rem, 8.4vw, 2.8rem); }
  .page-hero__lead { font-size: 0.95rem; }
}

@media (max-width: 560px) {
  .team__grid, .layers__grid, .proof__stats, .footer__card { grid-template-columns: 1fr; }
  .layers__cell--outcome { margin: 0; }
  .hero__ctas { flex-direction: column; align-items: stretch; }
  .hero__ctas .btn { width: 100%; justify-content: center; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .hero__video, .hero__video.is-active { animation: none; }
  .marquee__track { animation: none; }
  .accordion__body, .btn__arrow, .member__photo img,
  .bento__card--media img, .stack__layer, .xlink__arrow svg, .usagebar__fill { transition: none; }
  html.js .reveal, .reveal-load, .hero__line-inner.reveal-load {
    opacity: 1; transform: none;
    animation: none; transition: none;
  }
}