:root {
  --bg: #000;
  --bg-soft: #0a0a0a;
  --surface: #111;
  --surface-2: #1a1a1a;
  --border: #2a2a2a;
  --fg: #FFCC00;
  --fg-soft: #ece8df;
  --fg-mute: #c9b76a;
  --muted: #a8a8a8;
  --focus: #ffffff;
  --danger: #ff5d5d;
  --ok: #5dd39e;

  --radius-sm: 6px;
  --radius: 14px;
  --radius-lg: 22px;

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 5rem;

  --measure: 64ch;
  --container: 1140px;

  --shadow-glow:
    drop-shadow(0 0 35px rgba(255, 204, 0, 0.4))
    drop-shadow(0 0 70px rgba(255, 204, 0, 0.25));
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  overscroll-behavior-y: contain;
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
  }
}

body {
  background: var(--bg);
  color: var(--fg-soft);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: clamp(1rem, 0.96rem + 0.2vw, 1.0625rem);
  line-height: 1.6;
  min-height: 100dvh;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

h1, h2, h3, h4 {
  color: var(--fg);
  line-height: 1.15;
  letter-spacing: -0.01em;
  font-weight: 700;
}

h1 { font-size: clamp(2rem, 1.4rem + 3vw, 3.4rem); }
h2 { font-size: clamp(1.6rem, 1.2rem + 1.6vw, 2.4rem); }
h3 { font-size: clamp(1.15rem, 1rem + 0.6vw, 1.4rem); }

p { max-width: var(--measure); }
a {
  color: var(--fg);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}
a:hover { text-decoration-thickness: 2px; }

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

.muted { color: var(--muted); }
.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.78rem;
  color: var(--fg-mute);
  margin-bottom: var(--space-3);
}

.skip-link {
  position: absolute;
  top: -100px;
  left: var(--space-4);
  background: var(--fg);
  color: var(--bg);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-sm);
  z-index: 100;
}
.skip-link:focus { top: var(--space-4); }
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ---------- Nav ---------- */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
  padding: var(--space-3) var(--space-5);
  background: rgba(0, 0, 0, 0.78);
  backdrop-filter: saturate(160%) blur(8px);
  -webkit-backdrop-filter: saturate(160%) blur(8px);
  border-bottom: 1px solid var(--border);
}
.site-nav__brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  font-weight: 700;
  color: var(--fg);
}
.site-nav__brand img { width: 32px; height: 32px; }
.site-nav__list {
  display: flex;
  gap: var(--space-5);
  list-style: none;
  font-size: 0.95rem;
}
.site-nav__list a {
  text-decoration: none;
  color: var(--fg-soft);
  padding: var(--space-3) var(--space-3);
  border-radius: var(--radius-sm);
  display: inline-block;
  min-height: 44px;
  line-height: 1.2;
}
.site-nav__list a:hover,
.site-nav__list a[aria-current="true"] {
  background: var(--surface);
  color: var(--fg);
}
@media (max-width: 640px) {
  .site-nav { padding-inline: var(--space-4); }
  .site-nav__list { gap: 2px; font-size: 0.9rem; }
  .site-nav__list a { padding: var(--space-3) var(--space-2); }
}

/* ---------- Sections ---------- */
.section {
  max-width: var(--container);
  margin-inline: auto;
  padding-block: clamp(var(--space-7), 6rem, var(--space-8));
  padding-inline: clamp(var(--space-4), 4vw, var(--space-5));
}
.section--surface {
  background: var(--bg-soft);
  border-block: 1px solid var(--border);
  max-width: none;
}
.section--surface > * { max-width: var(--container); margin-inline: auto; }
.section__head { margin-bottom: clamp(var(--space-5), 4vw, var(--space-7)); }
.section__head .lead { color: var(--fg-soft); margin-top: var(--space-3); }
.section__head .lead + p { margin-top: var(--space-4); }

/* ---------- Hero ---------- */
.hero {
  max-width: var(--container);
  margin-inline: auto;
  padding: clamp(var(--space-6), 6vw, var(--space-8)) clamp(var(--space-4), 4vw, var(--space-5));
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(var(--space-5), 5vw, var(--space-7));
  align-items: center;
  min-height: calc(100svh - 64px);
}
@media (min-width: 860px) {
  .hero { grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr); gap: var(--space-8); }
}
.hero__logo img {
  max-height: clamp(180px, 38vw, 320px);
  margin-inline: auto;
  filter: var(--shadow-glow);
  user-select: none;
  -webkit-user-drag: none;
}
.hero__tagline {
  color: var(--fg);
  font-size: clamp(1.1rem, 0.9rem + 0.8vw, 1.4rem);
  font-weight: 400;
  line-height: 1.45;
  letter-spacing: 0;
  margin-bottom: var(--space-4);
  max-width: var(--measure);
}
.hero__lead { color: var(--fg-soft); margin-bottom: var(--space-6); }
.hero__actions { display: flex; flex-wrap: wrap; gap: var(--space-3); }
.hero__actions .button { user-select: none; }
@media (max-width: 480px) {
  .hero__actions { flex-direction: column; align-items: stretch; }
  .hero__actions .button { width: 100%; }
}

/* ---------- Buttons ---------- */
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: 44px;
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius);
  font-weight: 600;
  text-decoration: none;
  border: 1px solid transparent;
  transition: transform 120ms ease, background 120ms ease, color 120ms ease;
  white-space: nowrap;
}
.button--primary { background: var(--fg); color: var(--bg); }
.button--primary:hover { transform: translateY(-1px); background: #ffd633; }
.button--ghost { color: var(--fg); border-color: var(--fg); }
.button--ghost:hover { background: rgba(255, 204, 0, 0.08); }

/* ---------- Pillars ---------- */
.pillars {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-5);
}
.pillar {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--space-5);
}
.pillar__icon { width: 32px; height: 32px; color: var(--fg); margin-bottom: var(--space-3); }
.pillar h3 { margin-bottom: var(--space-2); }
.pillar p { color: var(--fg-soft); }

/* ---------- Project cards ---------- */
.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: var(--space-5);
}
.project-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  overflow: hidden;
  transition: border-color 160ms ease, transform 160ms ease;
}
.project-card:hover { border-color: var(--fg-mute); transform: translateY(-2px); }
.project-card > :not(.project-card__media) { padding-inline: var(--space-5); }
.project-card > :nth-child(2) { padding-top: var(--space-5); }
.project-card > :last-child { padding-bottom: var(--space-5); }

.project-card__media {
  aspect-ratio: 16 / 9;
  background: var(--surface-2);
  overflow: hidden;
  position: relative;
}
.project-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.project-card__media--empty {
  background:
    radial-gradient(120% 80% at 0% 0%, rgba(255, 204, 0, 0.18), transparent 60%),
    radial-gradient(120% 80% at 100% 100%, rgba(255, 204, 0, 0.08), transparent 60%),
    var(--surface-2);
}
.project-card__media--empty::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(transparent 0 calc(50% - 0.5px), rgba(255, 204, 0, 0.06) calc(50% - 0.5px) calc(50% + 0.5px), transparent calc(50% + 0.5px) 100%),
    linear-gradient(90deg, transparent 0 calc(50% - 0.5px), rgba(255, 204, 0, 0.06) calc(50% - 0.5px) calc(50% + 0.5px), transparent calc(50% + 0.5px) 100%);
  background-size: 32px 32px;
}
.project-card__thumbs {
  list-style: none;
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: 1fr;
  gap: 2px;
  padding: 0;
  margin: 0;
}
.project-card__thumbs li {
  aspect-ratio: 3 / 2;
  background: var(--surface-2);
  overflow: hidden;
}

.project-card__zoom {
  display: block;
  width: 100%;
  height: 100%;
  padding: 0;
  margin: 0;
  border: 0;
  background: transparent;
  cursor: zoom-in;
  color: inherit;
  font: inherit;
  -webkit-tap-highlight-color: transparent;
}
.project-card__zoom img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 200ms ease, opacity 160ms ease;
}
.project-card__zoom:hover img,
.project-card__zoom:focus-visible img {
  transform: scale(1.03);
  opacity: 0.92;
}

/* ---------- Lightbox ---------- */
.lightbox {
  border: 0;
  padding: 0;
  margin: 0;
  width: 100vw;
  max-width: 100vw;
  height: 100svh;
  max-height: 100svh;
  background: transparent;
  color: var(--fg-soft);
  overflow: hidden;
}
.lightbox::backdrop {
  background: rgba(0, 0, 0, 0.92);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}
.lightbox[open] {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  justify-items: center;
  gap: var(--space-2);
  padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
}
.lightbox__picture { display: contents; }
.lightbox__img {
  grid-column: 1 / -1;
  grid-row: 1;
  max-width: 100vw;
  max-height: 100svh;
  width: auto;
  height: auto;
  object-fit: contain;
  cursor: zoom-out;
  touch-action: manipulation;
}
.lightbox__close,
.lightbox__nav {
  position: absolute;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 48px;
  min-height: 48px;
  padding: 0;
  border: 1px solid rgba(255, 204, 0, 0.4);
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.55);
  color: var(--fg);
  font-size: 1.6rem;
  line-height: 1;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}
.lightbox__close:hover,
.lightbox__nav:hover,
.lightbox__close:focus-visible,
.lightbox__nav:focus-visible {
  background: rgba(0, 0, 0, 0.85);
  border-color: var(--fg);
}
.lightbox__close {
  top: max(var(--space-3), env(safe-area-inset-top));
  right: max(var(--space-3), env(safe-area-inset-right));
  font-size: 1.8rem;
}
.lightbox__nav--prev {
  left: max(var(--space-3), env(safe-area-inset-left));
  top: 50%;
  transform: translateY(-50%);
}
.lightbox__nav--next {
  right: max(var(--space-3), env(safe-area-inset-right));
  top: 50%;
  transform: translateY(-50%);
}
@media (max-width: 480px) {
  .lightbox__nav { min-width: 44px; min-height: 44px; font-size: 1.4rem; }
}

.project-card__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-3);
}
.project-card__title { font-size: 1.2rem; }
.project-card__summary { color: var(--fg-soft); }

.badge {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  white-space: nowrap;
  border: 1px solid var(--border);
  color: var(--muted);
  background: var(--surface-2);
}
.badge--lopend { color: var(--bg); background: var(--fg); border-color: var(--fg); }
.badge--afgerond { color: var(--ok); border-color: var(--ok); background: transparent; }
.badge--idee { color: var(--muted); }

.tag-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: auto;
}
.tag {
  font-size: 0.75rem;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  background: var(--surface-2);
  color: var(--fg-mute);
  border: 1px solid var(--border);
}

/* ---------- Meedoen ---------- */
.meedoen-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-5);
}
.meedoen-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}
.meedoen-card h3 { color: var(--fg); }
.meedoen-card p { color: var(--fg-soft); }
.meedoen-card .button { margin-top: auto; align-self: flex-start; }
.meedoen-card .skills-list {
  margin: 0;
  padding-left: 1.25em;
  color: var(--fg-soft);
}
.meedoen-card--steun { border-color: var(--fg-mute); }

.iban {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: var(--space-2) var(--space-4);
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: var(--space-3) var(--space-5) var(--space-3) var(--space-4);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.85rem;
}
.iban dt { color: var(--muted); }
.iban dd { color: var(--fg); white-space: nowrap; }

/* ---------- Contact ---------- */
.contact-list {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-5);
}
.contact-list li {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--space-4) var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.contact-list strong { color: var(--fg); }

/* ---------- TODO placeholder helper ---------- */
[data-todo] {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  background: rgba(255, 204, 0, 0.12);
  padding: 1px 6px;
  border-radius: 4px;
  border: 1px dashed var(--fg-mute);
}

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--border);
  background: var(--bg-soft);
  padding: var(--space-7) var(--space-5) var(--space-5);
  margin-top: var(--space-7);
}
.site-footer__inner {
  max-width: var(--container);
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-2);
}
.site-footer__inner p { margin: 0; }
.site-footer__base {
  max-width: var(--container);
  margin: var(--space-6) auto 0;
  padding-top: var(--space-4);
  border-top: 1px solid var(--border);
  color: var(--muted);
  text-align: center;
}