@import url('https://fonts.googleapis.com/css2?family=Geist:wght@300..700&family=Geist+Mono:wght@400;500&family=Ubuntu:wght@300;500;700&display=swap');

/* ZJAM — strak huisstijlsysteem */
:root {
  --bg: #FAFAF8;
  --surface: #FFFFFF;
  --ink: #12162A;
  --navy: #2E344E;
  --muted: #61667A;
  --line: rgba(18, 22, 42, .10);
  --line-strong: rgba(18, 22, 42, .22);
  --oranje: #F26935;
  --amber: #F5B014; --roze: #D9A0A8; --blauw: #6A93A8; --paars: #9E6E96; --groen: #9AAF2A; --taupe: #AE8E88;
  --sans: 'Geist', system-ui, -apple-system, sans-serif;
  --display: var(--sans);
  --mono: 'Geist Mono', ui-monospace, monospace;
  --paper: var(--bg);
  --gutter: clamp(20px, 4vw, 56px);
  --max: 1360px;
  --ease: cubic-bezier(.2, .8, .2, 1);
  --leaf-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 100'%3E%3Cpath d='M100 0 Q99 30 98 52 A48 48 0 1 1 48 2 Q70 1 100 0Z'/%3E%3C/svg%3E");
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0; font-family: var(--sans); font-size: 16px; line-height: 1.6; color: var(--ink); background: var(--bg);
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; overflow-x: hidden;
  font-feature-settings: 'ss01', 'tnum';
}
a { color: inherit; }
img, svg { display: block; }
::selection { background: var(--navy); color: #fff; }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 var(--gutter); }
.mono, .label { font-family: var(--mono); font-size: 12px; letter-spacing: .02em; text-transform: uppercase; font-weight: 400; }
.label { display: inline-flex; align-items: center; gap: 10px; color: var(--muted); }
.label .leaf { width: 9px; height: 9px; }
.muted { color: var(--muted); }

h1, h2, h3 { font-weight: 500; letter-spacing: -.035em; line-height: 1.02; margin: 0; }
.h-xl { font-size: clamp(44px, 6.6vw, 96px); letter-spacing: -.045em; line-height: .98; }
.h-l { font-size: clamp(34px, 4.2vw, 60px); }
.h-m { font-size: clamp(24px, 2.4vw, 34px); letter-spacing: -.03em; }
.lead { font-size: clamp(18px, 1.5vw, 21px); line-height: 1.55; color: var(--muted); max-width: 56ch; }

/* ---------- Logo ---------- */
.zjam-logo { --h: 60px; display: inline-block; line-height: 0; }
.zjam-logo img { height: var(--h); width: auto; }
.zjam-logo.is-small { --h: 64px; }
@media (max-width: 600px) { .zjam-logo { --h: 48px; } .zjam-logo.is-small { --h: 44px; } }

/* ---------- Header ---------- */
.site-head { position: sticky; top: 0; z-index: 40; background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: saturate(1.4) blur(12px); border-bottom: 1px solid transparent; transition: border-color .3s; }
.site-head.scrolled { border-bottom-color: var(--line); }
.site-head .wrap { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding-top: 22px; padding-bottom: 22px; transition: padding .5s var(--ease); }
/* Groot logo bovenaan, compact zodra je scrollt */
.site-head .zjam-logo { --h: clamp(110px, 11vw, 168px); }
.site-head .zjam-logo img { transition: height .5s var(--ease); }
.site-head.scrolled .wrap { padding-top: 12px; padding-bottom: 12px; }
.site-head.scrolled .zjam-logo { --h: 58px; }
@media (max-width: 600px) { .site-head .zjam-logo { --h: 88px; } .site-head.scrolled .zjam-logo { --h: 46px; } }
.site-nav { display: flex; gap: 32px; align-items: center; }
.site-nav a { text-decoration: none; font-size: 15px; color: var(--muted); transition: color .2s; }
.site-nav a:hover, .site-nav a[aria-current] { color: var(--ink); }
@media (max-width: 820px) { .site-nav .hide-s { display: none; } }

/* ---------- Knoppen en links ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 10px; height: 46px; padding: 0 20px; border-radius: 6px;
  font: 500 15px var(--sans); letter-spacing: -.01em; text-decoration: none; cursor: pointer;
  background: var(--ink); color: #fff; border: 1px solid var(--ink); transition: background .25s, color .25s, border-color .25s;
}
.btn:hover { background: var(--navy); border-color: var(--navy); }
.btn.ghost { background: transparent; color: var(--ink); border-color: var(--line-strong); }
.btn.ghost:hover { border-color: var(--ink); }
.btn .arr { transition: transform .3s var(--ease); }
.btn:hover .arr { transform: translateX(3px); }
.site-nav .btn { height: 40px; color: #fff; }
.link { text-decoration: none; background: linear-gradient(currentColor, currentColor) 0 100% / 0 1px no-repeat; transition: background-size .35s var(--ease); }
.link:hover { background-size: 100% 1px; }

/* ---------- Secties ---------- */
.section { padding: clamp(80px, 11vw, 150px) 0; border-top: 1px solid var(--line); }
.sec-head { display: grid; grid-template-columns: 1fr 2fr; gap: 32px; align-items: start; margin-bottom: clamp(40px, 6vw, 72px); }
@media (max-width: 860px) { .sec-head { grid-template-columns: 1fr; gap: 14px; } }

/* hairline-kruisjes als detail op hoeken */
.ticks { position: relative; }
.ticks::before, .ticks::after {
  content: '+'; position: absolute; font: 300 14px/1 var(--mono); color: var(--line-strong); pointer-events: none;
}
.ticks::before { left: -5px; top: -8px; }
.ticks::after { right: -5px; top: -8px; }

/* ---------- Footer ---------- */
.site-foot { background: var(--ink); color: #C9CBD4; padding: 72px 0 40px; }
.site-foot .zjam-logo { --h: 84px; }
.site-foot a { text-decoration: none; }
.site-foot a:hover { color: #fff; }
.foot-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 32px; }
.foot-grid h4 { margin: 0 0 14px; font: 400 12px var(--mono); text-transform: uppercase; color: #8A8EA0; letter-spacing: .02em; }
.foot-grid ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.foot-base { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-top: 64px; padding-top: 24px; border-top: 1px solid rgba(255, 255, 255, .1); color: #8A8EA0; }
.foot-leaves { display: inline-flex; gap: 5px; align-items: center; }
.foot-leaves .leaf { width: 8px; height: 8px; }
@media (max-width: 820px) { .foot-grid { grid-template-columns: 1fr 1fr; } }

/* ---------- Projectpagina ---------- */
.crumbs { display: flex; gap: 10px; align-items: center; color: var(--muted); padding: 40px 0 0; }
.crumbs a { text-decoration: none; }
.crumbs a:hover { color: var(--ink); }
.p-head { display: grid; grid-template-columns: 1.4fr 1fr; gap: 56px; padding: clamp(48px, 7vw, 96px) 0 clamp(48px, 6vw, 80px); align-items: end; }
.p-head .h-xl { margin: 18px 0 22px; overflow-wrap: anywhere; }
.meta { border-top: 1px solid var(--line); }
.meta div { display: grid; grid-template-columns: 120px 1fr; gap: 16px; padding: 14px 0; border-bottom: 1px solid var(--line); font-size: 15px; }
.meta dt { color: var(--muted); font: 400 12px/1.9 var(--mono); text-transform: uppercase; }
.meta dd { margin: 0; }
@media (max-width: 900px) { .p-head { grid-template-columns: 1fr; gap: 32px; } }

.p-band { height: 6px; background: var(--c); position: relative; }
.p-band::after { content: ''; position: absolute; right: var(--gutter); top: -10px; width: 26px; height: 26px; background: var(--c); -webkit-mask: var(--leaf-mask) center / contain no-repeat; mask: var(--leaf-mask) center / contain no-repeat; }

.stats { display: grid; grid-template-columns: repeat(3, 1fr); border-bottom: 1px solid var(--line); }
.stat { padding: 40px 32px 40px 0; }
.stat + .stat { padding-left: 32px; border-left: 1px solid var(--line); }
.stat b { display: block; font-size: clamp(36px, 4.4vw, 64px); font-weight: 500; letter-spacing: -.045em; line-height: 1; }
.stat span { display: block; margin-top: 10px; color: var(--muted); font-size: 15px; }
@media (max-width: 700px) { .stats { grid-template-columns: 1fr; } .stat, .stat + .stat { padding: 28px 0; border-left: 0; border-top: 1px solid var(--line); } }

.story-row { display: grid; grid-template-columns: 1fr 2fr; gap: 32px; padding: 40px 0; border-bottom: 1px solid var(--line); }
.story-row p { margin: 0; font-size: clamp(18px, 1.6vw, 22px); line-height: 1.5; letter-spacing: -.01em; max-width: 52ch; }
@media (max-width: 760px) { .story-row { grid-template-columns: 1fr; gap: 10px; } }

.p-demo { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: clamp(28px, 5vw, 72px); align-items: center; padding: clamp(28px, 4vw, 56px); background: var(--surface); border: 1px solid var(--line); border-radius: 10px; }
.p-demo h2 { margin: 14px 0 12px; }
.p-demo p { margin: 0; color: var(--muted); }
@media (max-width: 900px) { .p-demo { grid-template-columns: 1fr; } }
.demo-card { background: #fff; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; box-shadow: 0 24px 48px -32px rgba(18, 22, 42, .35); }
.chip-row { display: flex; flex-wrap: wrap; gap: 6px; }
.chip { font: 500 14px var(--sans); border: 1px solid var(--line-strong); background: #fff; color: var(--ink); border-radius: 6px; padding: 8px 12px; cursor: pointer; transition: background .2s, color .2s, border-color .2s; }
.chip:hover { border-color: var(--ink); }
.chip[aria-pressed="true"] { background: var(--ink); color: #fff; border-color: var(--ink); }

.p-next { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid var(--line); }
.p-next a { padding: 48px var(--gutter); text-decoration: none; display: block; transition: background .3s; }
.p-next a + a { border-left: 1px solid var(--line); text-align: right; }
.p-next a:hover { background: var(--surface); }
.p-next strong { display: block; font-size: clamp(26px, 3vw, 42px); font-weight: 500; letter-spacing: -.035em; margin-top: 8px; }
@media (max-width: 700px) { .p-next { grid-template-columns: 1fr; } .p-next a + a { border-left: 0; border-top: 1px solid var(--line); text-align: left; } }

/* ---------- Reveal ---------- */
.rv { opacity: 0; transform: translateY(14px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.rv.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
  .rv { opacity: 1; transform: none; }
}