:root{
  --bg:#06080f;
  --bg2:#0a0f1f;
  --card:#0b1227;
  --card2:#0a1024;
  --text:#e9eefc;
  --muted:#a8b3d6;
  --line:rgba(255,255,255,.09);
  scroll-padding-top: 84px;

  --accent: #00fa8a;          /* groen */
  --accent-alt: #32aaff;      /* blauw */

  --accent-soft: rgba(0,250,138,0.55);
  --accent-soft-alt: rgba(50,170,255,0.55);
  --shadow: 0 18px 60px rgba(0,0,0,.55);

  --radius:18px;
  --radius2:26px;
}

*{box-sizing:border-box}
html { scroll-behavior: smooth; }
html,body{height:100%}
body{
  padding-top: 72px;
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Apple Color Emoji","Segoe UI Emoji";
  background:
    radial-gradient(900px 600px at 80% 10%, rgba(0,250,138,.14), transparent 60%),
    radial-gradient(700px 500px at 15% 35%, rgba(50,170,255,.12), transparent 55%),
    radial-gradient(1000px 700px at 50% 100%, rgba(0,250,138,.07), transparent 65%),
    linear-gradient(180deg, var(--bg) 0%, #050611 100%);
  color:var(--text);
}

a{color:inherit}
.container{width:min(1100px, calc(100% - 40px)); margin:0 auto}
.muted{color:var(--muted)}
.skip{
  position:absolute; left:-999px; top:12px;
  background:#fff; color:#000; padding:10px 12px; border-radius:10px;
}
.skip:focus{left:12px; z-index:9999}

.topbar{
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 9999;

  background: rgba(6,8,15,0.88);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,0.10);
  box-shadow: 0 10px 30px rgba(0,0,0,0.55);
}
.topbar__inner{
  display:flex; align-items:center; justify-content:space-between;
  gap:16px; padding:14px 0;
}
.brand{display:flex; align-items:center; gap:12px}
.brand__mark{
  width: 46px;
  height: 46px;
  border-radius: 50%;

  display: flex;
  align-items: center;
  justify-content: center;

  background:
    radial-gradient(
      circle at 30% 30%,
      rgba(255,255,255,0.45),
      rgba(255,255,255,0.08) 35%,
      rgba(0,0,0,0.55) 75%
    ),
    linear-gradient(
      145deg,
      rgba(255,255,255,0.10),
      rgba(0,0,0,0.35)
    );

  /* 🔥 accent-gestuurde border */
  border: 2px solid var(--accent-soft);

  box-shadow:
    0 14px 30px rgba(0,0,0,0.65),
    0 6px 12px rgba(0,0,0,0.55),
    inset 0 2px 3px rgba(255,255,255,0.55),
    inset 0 -8px 14px rgba(0,0,0,0.55);

  transition:
    border-color 0.2s ease,
    box-shadow 0.2s ease,
    transform 0.2s ease;
}
.brand__logo{
  width: 28px;
  height: 28px;
  display: block;
  filter: drop-shadow(0 1px 1px rgba(0,0,0,0.35));
}
.brand__mark:hover{
  border-color: var(--accent);
}

.brand__mark:active{
  transform: translateY(0);

  box-shadow:
    0 10px 22px rgba(0,0,0,0.7),
    inset 0 2px 6px rgba(0,0,0,0.6);
}
.brand__name{font-weight:800; line-height:1.1}
.brand__tag{font-size:12px; color:var(--muted)}

.nav{display:flex; gap:16px; align-items:center}
.nav a{
  text-decoration:none; color:var(--muted);
  font-size:14px;
  padding:8px 10px; border-radius:12px;
}
.nav a:hover{color:var(--text); background:rgba(255,255,255,.06)}
.actions{display:flex; gap:10px; align-items:center}

.btn{
  display:inline-flex; align-items:center; gap:10px;
  padding:10px 14px;
  border-radius:14px;
  background: linear-gradient(135deg, rgba(0,250,138,.18), rgba(50,170,255,.12));
  border:1px solid rgba(255,255,255,.12);
  color:var(--text);
  text-decoration:none;
  cursor:pointer;
  box-shadow: 0 14px 40px rgba(0,0,0,.35);
}
.btn:hover{transform: translateY(-1px); border-color:rgba(255,255,255,.18)}
.btn:active{transform: translateY(0px)}
.btn__text{font-size:14px; font-weight:650}
.btn--ghost{
  background: rgba(255,255,255,.04);
  box-shadow:none;
}
.btn--small{padding:8px 12px; border-radius:12px}
.btn:focus{outline:2px solid rgba(0,250,138,.35); outline-offset:2px}

.hero{padding:52px 0 16px}
.hero__grid{
  display:grid;
  grid-template-columns: 1.25fr .95fr;
  gap:22px;
  align-items:start;
}
.kicker{
  display:inline-flex; gap:10px; align-items:center;
  font-size:12px; letter-spacing:.12em; text-transform:uppercase;
  color:var(--muted);
  padding:8px 12px;
  border:1px solid var(--line);
  border-radius:999px;
  background:rgba(255,255,255,.03);
}
.h1{font-size:44px; line-height:1.05; margin:14px 0}
.glow{
  color:var(--accent);
  text-shadow: 0 0 18px rgba(0,250,138,.24);
}
.lead{font-size:16px; line-height:1.65; color:var(--muted); max-width:64ch}
.hero__cta{display:flex; gap:10px; flex-wrap:wrap; margin-top:18px}
.chips{display:flex; flex-wrap:wrap; gap:10px; margin-top:18px}
.chip{
  padding:8px 10px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.10);
  background:rgba(255,255,255,.03);
  color:var(--muted);
  font-size:13px;
}

.section{padding:48px 0}
.section--alt{
  background: linear-gradient(180deg, rgba(255,255,255,.02), rgba(255,255,255,0));
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.section__head{margin-bottom:18px}
.h2{font-size:28px; margin:0 0 10px}
.h3{font-size:16px; margin:0 0 8px}

.grid4{display:grid; gap:14px; grid-template-columns: repeat(4, 1fr)}
.grid3{display:grid; gap:14px; grid-template-columns: repeat(3, 1fr)}
.grid2{display:grid; gap:14px; grid-template-columns: repeat(2, 1fr)}

.card{
  background: linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,.02));
  border:1px solid rgba(255,255,255,.10);
  border-radius: var(--radius);
  padding:16px;
  box-shadow: var(--shadow);
}
.card__icon{font-size:18px; margin-bottom:8px}
.card--hero{padding:18px}
.card__header{display:flex; align-items:flex-start; justify-content:space-between; gap:14px; margin-bottom:12px}
.card__title{font-weight:800}
.card__sub{font-size:13px; color:var(--muted); margin-top:4px}
.card__footer{display:flex; gap:10px; margin-top:14px}
.badge{
  font-size:12px; letter-spacing:.08em;
  padding:6px 10px; border-radius:999px;
  background: rgba(0,250,138,.12);
  border:1px solid rgba(0,250,138,.25);
  color:var(--accent);
  font-weight:750;
}
.metrics{display:grid; gap:10px}
.metric{
  padding:12px;
  background: rgba(255,255,255,.03);
  border:1px solid rgba(255,255,255,.08);
  border-radius:16px;
}
.metric__label{font-size:12px; color:var(--muted); letter-spacing:.04em}
.metric__value{margin-top:6px; font-weight:750}

.panel{
  display:flex; gap:12px; align-items:flex-start;
  padding:14px 16px;
  border-radius: var(--radius);
  border:1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.03);
}
.panel--note{margin-top:14px}
.panel__icon{font-size:18px}
.panel__title{font-weight:800}
.panel__body{color:var(--muted); margin-top:4px}

.timeline{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap:12px;
}
.titem{
  text-align:left;
  padding:14px 14px;
  border-radius: var(--radius);
  border:1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.03);
  color:var(--text);
  cursor:pointer;
}
.titem:hover{border-color: rgba(255,255,255,.18)}
.titem.is-active{
  border-color: rgba(0,250,138,.30);
  box-shadow: 0 14px 44px rgba(0,250,138,.08);
}
.titem__when{font-size:12px; color:var(--muted)}
.titem__what{font-weight:800; margin-top:6px}
.titem__where{font-size:13px; color:var(--muted); margin-top:4px}

.panels{margin-top:14px}
.panel--detail{display:none}
.panel--detail.is-active{display:block}
.bullets{margin:0; padding-left:18px}
.bullets li{margin:8px 0; color:var(--muted); line-height:1.55}

.projects{margin-top:8px}
.projects__head{
  display:flex; align-items:center; justify-content:space-between;
  gap:12px; margin-bottom:12px;
}
.pill{
  display:inline-flex; gap:10px; align-items:center;
  padding:8px 12px; border-radius:999px;
  border:1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.03);
}
.dot{
  width:10px; height:10px; border-radius:999px;
  background: var(--accent);
  box-shadow: 0 0 14px rgba(0,250,138,.25);
}
.repo{
  display:flex; flex-direction:column; gap:10px;
}
.repo__top{display:flex; justify-content:space-between; gap:10px; align-items:flex-start}
.repo__name{font-weight:850; text-decoration:none}
.repo__desc{color:var(--muted); font-size:13px; line-height:1.55; min-height:40px}
.repo__meta{display:flex; gap:10px; flex-wrap:wrap; color:var(--muted); font-size:12px}
.repo__meta span{
  padding:6px 10px; border-radius:999px;
  border:1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.03);
}
.hint{
  margin-top:12px;
  padding:12px 14px;
  border-radius:14px;
  border:1px solid rgba(255,255,255,.10);
  color:var(--muted);
  background: rgba(255,255,255,.03);
}

.videoGrid{
  display:grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap:14px;
  align-items:stretch;
}
.embed{
  border-radius: var(--radius);
  overflow:hidden;
  border:1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.02);
  box-shadow: var(--shadow);
  aspect-ratio: 16 / 9;
}
.embed iframe{
  width:100%; height:100%;
  border:0;
}
.card--link{
  display:flex; align-items:center; justify-content:space-between; gap:12px;
  text-decoration:none;
}
.go{color:var(--muted); font-size:18px}

.linklist{display:flex; flex-direction:column; gap:8px; margin-top:10px}
.linklist a{
  padding:10px 12px;
  border-radius:14px;
  border:1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.03);
  text-decoration:none;
  color:var(--muted);
}
.linklist a:hover{color:var(--text); border-color: rgba(255,255,255,.18)}
.row{display:flex; gap:10px; flex-wrap:wrap; margin-top:12px}
.footer{margin-top:22px; text-align:center; font-size:13px}

.reveal{opacity:0; transform: translateY(10px); transition: 600ms ease}
.reveal.is-in{opacity:1; transform: translateY(0)}
.skeleton{
  min-height: 160px;
  background: linear-gradient(90deg, rgba(255,255,255,.02), rgba(255,255,255,.06), rgba(255,255,255,.02));
  background-size: 200% 100%;
  animation: shimmer 1.2s linear infinite;
  border-radius: var(--radius);
}
@keyframes shimmer{
  0%{background-position: 0% 0%}
  100%{background-position: 200% 0%}
}

@media (max-width: 980px){
  .hero__grid{grid-template-columns: 1fr; }
  .grid4{grid-template-columns: 1fr 1fr}
  .grid3{grid-template-columns: 1fr 1fr}
  .timeline{grid-template-columns: 1fr}
  .videoGrid{grid-template-columns: 1fr}
  .nav{display:none}
}
@media (max-width: 520px){
  .h1{font-size: 34px}
  .grid4,.grid3,.grid2{grid-template-columns: 1fr}
}