/* ========== Basis ========== */
:root {
    --bg: #F8F8F8;
    --fg: #000000;
    --muted: #8a8a8a;
    --line: #F8F8F8;
    --accent: rgba(255, 255, 255, 0.2);
    --pad: clamp(1rem, 4vw, 3rem);
    --font: "Space Grotesk", system-ui, sans-serif;
    --x: -500px;
    --y: -500px;
    --r: 0px;
    /* About Me: letters lopen bij het scrollen van gedimd naar hun eindkleur */
    --about-fg: #000000;
    --about-from: #D4D4D4;
    color-scheme: light;
  }
  
  /* Donkere modus: volgt het systeem, tenzij de bezoeker zelf kiest (data-theme) */
  @media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
      --bg: #0F0F0F;
      --fg: #F8F8F8;
      --line: #0F0F0F;
      --accent: rgba(0, 0, 0, 0.2);
      --about-fg: #F8F8F8;
      --about-from: #333333;
      color-scheme: dark;
    }
  }
  
  :root[data-theme="dark"] {
    --bg: #0F0F0F;
    --fg: #F8F8F8;
    --line: #0F0F0F;
    --accent: rgba(0, 0, 0, 0.2);
    --about-fg: #F8F8F8;
    --about-from: #333333;
    color-scheme: dark;
  }
  
  *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
  
  html { scroll-behavior: smooth; }
  
  body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--fg);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
    position: relative;
  }
  
  body.is-loading { overflow: hidden; }
  
  a { color: inherit; text-decoration: none; }
  ul, ol { list-style: none; }
  button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }
  
  /* ========== Preloader ========== */
  .preloader {
    position: fixed;
    inset: 0;
    bottom: auto;
    height: 100svh;
    z-index: 100;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: var(--pad);
    background: var(--bg);
  }
  
  .preloader-label {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--muted);
  }
  
  .preloader-count {
    display: flex;
    font-size: clamp(0.75rem, 3.75vw, 2.25rem);
    font-weight: 15;
    line-height: 1;
    font-variant-numeric: tabular-nums;
  }
  .odo-col {
    height: 1em;
    overflow: hidden;
  }
  .odo-strip {
    display: block;
    will-change: transform;
  }
  .odo-strip span {
    display: block;
    height: 1em;
    line-height: 1;
  }
  
  /* ========== Header ========== */
  .site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 50;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1rem var(--pad);
    mix-blend-mode: difference;
    color: #fff;
  }
  
  .logo { font-weight: 50; font-size: 1.25rem; }
  
  .header-actions { display: flex; align-items: center; gap: 1.25rem; }
  
  .theme-toggle,
  .sound-toggle {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
  }
  
  /* Hamburger: drie streepjes die bij openen een kruis vormen */
  .menu-toggle {
    display: grid;
    gap: 5px;
    width: 2.75rem;
    height: 2.75rem;
    place-content: center;
    margin-right: -0.6rem;
  }
  
  .menu-bar {
    display: block;
    width: 24px;
    height: 2px;
    background: currentColor;
    transition: transform 0.35s cubic-bezier(0.65, 0, 0.35, 1), opacity 0.2s ease;
  }
  
  .menu-toggle[aria-expanded="true"] .menu-bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] .menu-bar:nth-child(2) { opacity: 0; }
  .menu-toggle[aria-expanded="true"] .menu-bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  
  /* ========== Menu ========== */
  .menu {
    position: fixed;
    inset: 0;
    z-index: 45;
    display: flex;
    align-items: flex-end;
    padding: 6rem var(--pad) var(--pad);
    background: var(--fg);
    color: var(--bg);
    overflow-y: auto;
  }
  
  .menu[hidden] { display: none; }
  
  .menu-list { display: grid; gap: 2.5rem; counter-reset: menu; }
  
  .menu-item { counter-increment: menu; }
  
  .menu-heading {
    display: flex;
    align-items: baseline;
    gap: 1rem;
    font-size: clamp(2.5rem, 10vw, 6rem);
    font-weight: 700;
    line-height: 1;
    text-transform: uppercase;
    letter-spacing: -0.03em;
  }
  
  .menu-heading::before {
    content: "0" counter(menu);
    font-size: 0.8rem;
    font-weight: 400;
    letter-spacing: 0.15em;
    opacity: 0.5;
  }
  
  .menu-contact {
    display: grid;
    gap: 0.35rem;
    margin-top: 1rem;
    padding-left: 2.25rem;
    font-size: clamp(1rem, 3vw, 1.4rem);
  }
  
  .menu a:hover { opacity: 0.6; }
  
  /* ========== Lagen en masker ========== */
  .layer { position: relative; }
  
  .layer-reveal {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 10;
    background: var(--accent);
    color: var(--bg);
    pointer-events: none;
    clip-path: circle(var(--r) at var(--x) var(--y));
    -webkit-clip-path: circle(var(--r) at var(--x) var(--y));
  }
  
  .layer-reveal .label,
  .layer-reveal .company,
  .layer-reveal .year,
  .layer-reveal figcaption,
  .layer-reveal .hero-hint { color: rgba(13, 13, 13, 0.6); }
  
  .layer-reveal .service,
  .layer-reveal .project,
  .layer-reveal .timeline li { border-color: rgba(13, 13, 13, 0.2); }
  
  .cursor {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 60;
    width: 14px;
    height: 14px;
    margin: -7px 0 0 -7px;
    border-radius: 50%;
    background: #fff;
    mix-blend-mode: difference;
    pointer-events: none;
    opacity: 0;
  }
  
  /* Onthullingscirkel en cursorstip staan uit */
  .layer-reveal,
  .cursor { display: none; }

  
  /* ========== Rol-effect op tekst (script.js voegt .roll-inner toe) ========== */
  .roll {
    display: inline-block;
    overflow: hidden;
    line-height: 1.2;
    height: 1.2em;
    vertical-align: bottom;
  }
  
  .roll-inner {
    display: inline-block;
    text-shadow: 0 1.2em currentColor;
    transition: transform 0.45s cubic-bezier(0.65, 0, 0.35, 1);
  }
  
  @media (hover: hover) {
    .roll:hover .roll-inner,
    .service:hover .roll-inner,
    .project:hover .roll-inner { transform: translateY(-1.2em); }
  }
  
  /* ========== Hero ========== */
  .hero {
    display: flex;
    flex-direction: column;
    padding: 7rem var(--pad) 0;
  }
  
  .mijn-tekst {
    font-size: clamp(2rem, 6vw, 4.5rem);
    font-weight: 700;
    line-height: 1;
    letter-spacing: -0.02em;
  }
  
  .eyebrow {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: 1rem;
  }
  
  .hero-title {
    font-size: clamp(3rem, 12vw, 10rem);
    font-weight: 700;
    line-height: 0.92;
    text-transform: uppercase;
    letter-spacing: -0.03em;
    max-width: 12ch;
  }
  
  .hero-hint {
    margin-top: 2rem;
    font-size: 0.85rem;
    color: var(--muted);
  }
  
  /* ========== Secties ========== */
  .section { padding: clamp(4rem, 12vw, 9rem) var(--pad); }
  
  .label {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--muted);
    margin-bottom: 2rem;
  }
  
  .label::before {
    content: "";
    width: 2rem;
    height: 1px;
    background: currentColor;
  }
  
  .lead {
    font-size: clamp(1.6rem, 5vw, 3.5rem);
    line-height: 1.15;
    max-width: 22ch;
  }
  
  .lead strong { font-weight: 700; }
  
  /* Over mij: scroll-onthulling per letter */
  .about { background: var(--bg); }
  
  .about .label { letter-spacing: normal; }
  .hero .about { padding-left: 0; padding-right: 0; background: transparent; } /* hero heeft zelf al zijmarge; transparant zodat hij je naam nooit afdekt */
  .about .label::before { display: none; }
  
  .about .lead {
    font-size: clamp(0.875rem, 4.4vw, 4.5rem);
    white-space: nowrap; /* regels alleen afbreken via <br> */
    height: auto; /* studio.css zet op mobiel een vaste hoogte van 50px */
    font-weight: 600;
    line-height: 1.05;
    letter-spacing: -0.02em;
    max-width: none;
    color: var(--about-fg);
  }
  
  .about .accent { --about-fg: #4169e1; font-size: 1.08em; }
  
  .layer-reveal .about { background: transparent; }
  .layer-reveal .about .lead { --about-fg: var(--bg); color: var(--bg); white-space: normal; }
  
  .nowrap { white-space: nowrap; }
  .reveal-word { white-space: nowrap; }
  
  /* Letter gaat van een gedimde versie van zijn eigen kleur (--about-dim) direct naar
     de eindkleur; script.js zet --t per letter van 0 naar 1. Werkt ook voor de blauwe naam. */
  .reveal-char {
    --t: 0;
    --about-dim: color-mix(in oklab, var(--about-fg) 5%, var(--bg)); /* nog niet gescrold: bijna onzichtbaar, zoals het voorbeeld */
    color: var(--about-from);
    color: color-mix(in oklab, var(--about-fg) calc(var(--t) * 100%), var(--about-dim));
  }
  /* Verborgen hover-laag: eindkleur is de achtergrond, dus daar blijft het oude grijs als start */
  .layer-reveal .reveal-char { --about-dim: var(--about-from); }
  
  .sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    margin: -1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
  }
  
  /* Diensten en projecten */
  .service,
  .project {
    display: grid;
    gap: 0.5rem;
    padding: 1.5rem 0;
    border-top: 1px solid var(--line);
  }
  
  .service:last-child,
  .project:last-child { border-bottom: 1px solid var(--line); }
  
  .service h2,
  .project h3 {
    font-size: clamp(2.2rem, 9vw, 6rem);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: -0.02em;
  }
  
  .service p,
  .project p { max-width: 40ch; color: inherit; opacity: 0.8; }
  
  @media (min-width: 800px) {
    .service,
    .project {
      grid-template-columns: 1fr 1fr;
      align-items: end;
    }
  }
  
  /* Tijdlijn */
  .timeline li {
    display: grid;
    grid-template-columns: 4.5rem 1fr;
    gap: 0.25rem 1rem;
    padding: 1.25rem 0;
    border-top: 1px solid var(--line);
  }
  
  .year { color: var(--muted); grid-row: span 2; }
  .role { font-size: 1.25rem; font-weight: 500; }
  .company { color: var(--muted); }
  
  @media (min-width: 800px) {
    .timeline li { grid-template-columns: 8rem 1fr 1fr; }
    .year { grid-row: auto; }
  }
  
  /* Testimonials */
  .slide { display: none; }
  .slide.is-active { display: block; }
  
  .slide blockquote {
    font-size: clamp(1.8rem, 6vw, 4rem);
    line-height: 1.1;
    max-width: 18ch;
  }
  
  .slide blockquote::before { content: "“"; }
  
  .slide figcaption {
    margin-top: 1.5rem;
    color: var(--muted);
  }
  
  .slider-nav { display: flex; gap: 1rem; margin-top: 2rem; }
  
  .slider-nav button {
    width: 3rem;
    height: 3rem;
    border: 1px solid currentColor;
    border-radius: 50%;
    font-size: 1.1rem;
  }
  
  /* Motto */
  .motto-text {
    font-size: clamp(2.8rem, 12vw, 9rem);
    font-weight: 700;
    line-height: 0.95;
    text-transform: uppercase;
    letter-spacing: -0.03em;
  }
  
  /* Contact */
  .contact-mail {
    font-size: clamp(1.6rem, 7vw, 5rem);
    font-weight: 700;
    height: auto;
    word-break: break-all;
  }
  
  .socials {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    margin-top: 2.5rem;
  }
  
  /* Footer */
  .site-footer {
    padding: 2rem var(--pad);
    font-size: 0.85rem;
    color: var(--muted);
  }
  
  /* ========== Minder beweging ========== */
  @media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .roll-inner { transition: none; }
  }
  
  /* Groen als signaal: verfijnd groen op crème, oplichtend zuurstofgroen in de nacht.
     Terug naar het oude groen? Zet hier weer #22c55e. */
  .preloader .done {
    color: #3E9B70;
    transition: color 0.45s ease;
  }
  
  /* ========== Preloader-getal ========== */
  .preloader-label, .preloader-count { position: relative; z-index: 1; translate: 0 -4vh; }
  
  /* De 100: --charge (schaal) en --glow (gloed) worden door script.js aangestuurd. */
  .preloader-count {
    --charge: 1;
    --glow: 0;
    scale: var(--charge);
    /* Geen text-shadow: de cijferkolommen hebben overflow: hidden, waardoor de gloed
       als een vierkant blok werd afgesneden. De halo hieronder doet het licht. */
  }
  /* Kleine, zachte lichthalo achter het getal */
  .preloader-count::before {
    content: "";
    position: absolute;
    left: 50%; top: 50%;
    width: 3.6em; height: 3.6em;
    translate: -50% -50%;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(143, 227, 176, 0.28) 0%, rgba(143, 227, 176, 0.08) 40%, transparent 70%);
    opacity: var(--glow);
    pointer-events: none;
    z-index: -1;
  }