/* Stijn De Ketelaere - persoonlijke site, in de stijl van SDK Solutions */

@font-face {
  font-family: "Montserrat";
  src: url("fonts/montserrat-latin.woff2") format("woff2");
  font-weight: 400 800;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Inter";
  src: url("fonts/inter-latin.woff2") format("woff2");
  font-weight: 400 600;
  font-style: normal;
  font-display: swap;
}

:root {
  --paper: #ffffff;
  --soft: #f2f5f6;
  --ink: #18242c;
  --ink-soft: #4d5c66;
  --slate: #0f2e36;
  --slate-2: #2c3b48;
  --green: #22a512;
  --green-text: #157a0a;
  --line: #dce4e7;
  --display: "Montserrat", system-ui, sans-serif;
  --body: "Inter", system-ui, sans-serif;
  --measure: 64ch;
  --gutter: clamp(16px, 4vw, 40px);
  color-scheme: light;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--body);
  font-size: clamp(1rem, 0.95rem + 0.25vw, 1.1rem);
  line-height: 1.65;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--green-text); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--slate); }
:focus-visible { outline: 3px solid var(--green); outline-offset: 3px; border-radius: 3px; }

.wrap { max-width: 1160px; margin: 0 auto; padding: 0 var(--gutter); }

/* header */
.top { display: flex; justify-content: space-between; align-items: center; padding-top: 18px; padding-bottom: 18px; }
.top .logo img { height: 58px; width: auto; }
.top nav { display: flex; gap: clamp(14px, 3vw, 30px); font-family: var(--display); font-weight: 600; font-size: 0.92rem; }
.top nav a { color: var(--slate-2); text-decoration: none; }
.top nav a:hover { color: var(--green-text); }

/* circuit decoration */
.trace { stroke: var(--slate); stroke-width: 8; fill: none; stroke-linecap: round; stroke-linejoin: round; }
.trace.g { stroke: var(--green); }
.node { fill: none; stroke: var(--slate); stroke-width: 6; }
.node.g { stroke: var(--green); }
.gear { color: var(--slate); }
.gear.g { color: var(--green); }
@media (prefers-reduced-motion: no-preference) {
  .spin { transform-box: fill-box; transform-origin: center; animation: spin 18s linear infinite; }
  .spin.rev { animation-direction: reverse; animation-duration: 12s; }
}
@keyframes spin { to { transform: rotate(360deg); } }

/* hero */
.hero { position: relative; padding: clamp(28px, 6vw, 72px) 0 clamp(56px, 8vw, 96px); overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: 1.15fr 1fr; gap: clamp(32px, 5vw, 64px); align-items: center; }
.hero h1 {
  font-family: var(--display); font-weight: 800;
  font-size: clamp(2.5rem, 1.3rem + 5vw, 5.1rem);
  line-height: 1.0; letter-spacing: -0.035em; margin: 0 0 24px; color: var(--slate-2);
}
.hero .lede { font-size: 1.15em; max-width: 36ch; margin: 0 0 30px; color: var(--ink-soft); }
.hero .lede strong { color: var(--ink); font-weight: 600; }
.actions { display: flex; flex-wrap: wrap; gap: 12px 22px; align-items: center; font-family: var(--display); font-weight: 600; }
.btn {
  display: inline-block; padding: 14px 24px; border-radius: 8px;
  background: var(--slate); color: #fff; text-decoration: none; font-family: var(--display); font-weight: 700;
}
.btn:hover { background: var(--green-text); color: #fff; }

.hero-art { position: relative; }
.hero-art svg.circuit { width: 100%; height: auto; display: block; margin-bottom: -26px; }

/* router demo */
.router {
  position: relative; background: #fff; border: 2px solid var(--slate); border-radius: 14px;
  padding: 20px 22px 16px; font-family: var(--display); font-size: 0.95rem; margin: 0;
  box-shadow: 8px 8px 0 var(--soft);
}
.router .q { min-height: 3.3em; font-weight: 600; font-size: 1.06rem; line-height: 1.35; margin: 0 0 16px; color: var(--ink); }
.router .q::after { content: ""; display: inline-block; width: 2px; height: 1.05em; background: var(--green); vertical-align: -0.15em; margin-left: 2px; animation: blink 1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }
.router dl { margin: 0; display: grid; grid-template-columns: auto 1fr; gap: 10px 16px; align-items: baseline; }
.router dt { color: var(--ink-soft); font-size: 0.82rem; font-weight: 500; display: flex; align-items: center; gap: 8px; }
.router dt::before { content: ""; width: 9px; height: 9px; border-radius: 50%; border: 2.5px solid var(--green); }
.router dd { margin: 0; font-weight: 700; color: var(--slate-2); transition: opacity .25s ease; }
.router dd.pending { opacity: 0.15; }
.router .meter { height: 6px; border-radius: 6px; background: var(--soft); overflow: hidden; margin-top: 5px; }
.router .meter i { display: block; height: 100%; width: 0; background: var(--green); transition: width .5s ease; }
.router .foot { margin: 14px 0 0; padding-top: 12px; border-top: 1px solid var(--line); color: var(--ink-soft); font-family: var(--body); font-size: 0.82rem; }
@media (prefers-reduced-motion: reduce) { .router .q::after { animation: none; } }

/* sections */
section { padding: clamp(56px, 8vw, 104px) 0; }
.band { background: var(--soft); }
h2 {
  font-family: var(--display); font-weight: 800; color: var(--slate-2);
  font-size: clamp(1.8rem, 1.2rem + 2.2vw, 2.8rem);
  line-height: 1.08; letter-spacing: -0.025em; margin: 0 0 22px; max-width: 24ch;
  display: flex; align-items: center; gap: 14px;
}
/* circuit terminal before each section title */
h2::before {
  content: ""; flex: none; width: 34px; height: 14px;
  background:
    radial-gradient(circle at 7px 7px, var(--paper) 3px, var(--green) 3.5px, var(--green) 6.5px, transparent 7px),
    linear-gradient(var(--green), var(--green)) 12px 5px / 22px 4px no-repeat;
}
.band h2::before {
  background:
    radial-gradient(circle at 7px 7px, var(--soft) 3px, var(--green) 3.5px, var(--green) 6.5px, transparent 7px),
    linear-gradient(var(--green), var(--green)) 12px 5px / 22px 4px no-repeat;
}
h3 { font-family: var(--display); font-weight: 700; font-size: 1.18rem; letter-spacing: -0.01em; margin: 0 0 8px; line-height: 1.25; color: var(--slate-2); }
.intro { max-width: var(--measure); color: var(--ink-soft); margin: 0 0 8px; }
.prose { max-width: var(--measure); }
.prose p { margin: 0 0 1.05em; }
.pull {
  font-family: var(--display); font-weight: 700; color: var(--slate-2);
  font-size: clamp(1.25rem, 1rem + 1.1vw, 1.7rem); line-height: 1.3; letter-spacing: -0.015em;
  border-left: 5px solid var(--green); padding: 4px 0 4px 22px; margin: 32px 0; max-width: 32ch;
}

/* over */
.about { display: grid; grid-template-columns: minmax(220px, 340px) 1fr; gap: clamp(28px, 6vw, 80px); align-items: start; }
.portrait { margin: 0; position: relative; }
.portrait img { border-radius: 14px; width: 100%; aspect-ratio: 1 / 1; object-fit: cover; border: 2px solid var(--slate); }
.portrait figcaption { font-family: var(--display); font-size: 0.85rem; color: var(--ink-soft); margin-top: 10px; }
.portrait::after {
  content: ""; position: absolute; right: -22px; top: 36px; width: 30px; height: 70px;
  border-top: 5px solid var(--green); border-right: 5px solid var(--green); border-top-right-radius: 14px;
}

/* aanpak: echte volgorde, dus genummerd */
.approach { display: grid; grid-template-columns: 1fr 1.25fr; gap: clamp(28px, 6vw, 72px); align-items: start; }
.photo { margin: 22px 0 0; }
.photo img { border-radius: 14px; aspect-ratio: 16 / 10; object-fit: cover; }
.photo figcaption { font-size: 0.85rem; color: var(--ink-soft); margin-top: 8px; }
.steps { list-style: none; padding: 0; margin: 0; counter-reset: s; display: grid; gap: 26px; position: relative; }
.steps::before { content: ""; position: absolute; left: 21px; top: 10px; bottom: 10px; width: 4px; background: var(--line); border-radius: 4px; }
.steps li { counter-increment: s; display: grid; grid-template-columns: 46px 1fr; gap: 6px 16px; position: relative; }
.steps li::before {
  content: counter(s); width: 46px; height: 46px; border-radius: 50%;
  display: grid; place-items: center; background: #fff; border: 4px solid var(--slate);
  font-family: var(--display); font-weight: 800; font-size: 1.1rem; color: var(--slate);
}
.steps li:last-child::before { border-color: var(--green); color: var(--green-text); }
.steps p { margin: 0; color: var(--ink-soft); }

/* projecten */
.projects { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: clamp(28px, 4vw, 48px) clamp(24px, 4vw, 48px); margin-top: 28px; }
.project .shot {
  border: 2px solid var(--slate); border-radius: 12px; overflow: hidden; background: var(--slate);
  margin: 0 0 18px;
}
.project .shot::before {
  content: ""; display: block; height: 22px; background:
    radial-gradient(circle at 14px 11px, #fff 3px, transparent 3.5px),
    radial-gradient(circle at 28px 11px, #fff 3px, transparent 3.5px),
    radial-gradient(circle at 42px 11px, var(--green) 3px, transparent 3.5px),
    var(--slate);
}
.project .shot img { aspect-ratio: 16 / 10; object-fit: cover; object-position: top; width: 100%; }
.project .tag { font-family: var(--display); font-size: 0.8rem; color: var(--green-text); font-weight: 700; margin: 0 0 4px; }
.project p { margin: 0 0 10px; color: var(--ink-soft); }
.project a.more { font-family: var(--display); font-size: 0.92rem; font-weight: 700; }

/* websites */
.sites { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; margin: 28px 0 0; padding: 0; list-style: none; }
.sites a { display: block; text-decoration: none; color: var(--ink); }
.sites img { border-radius: 10px; border: 1px solid var(--line); aspect-ratio: 16 / 10; object-fit: cover; object-position: top; transition: transform .2s ease, border-color .2s ease; }
.sites a:hover img { transform: translateY(-3px); border-color: var(--green); }
.sites strong { display: block; font-family: var(--display); font-weight: 700; margin-top: 10px; color: var(--slate-2); }
.sites span { font-size: 0.88rem; color: var(--ink-soft); }

/* faq */
.faq details { border-top: 1px solid var(--line); padding: 18px 0; max-width: 840px; }
.faq details:last-of-type { border-bottom: 1px solid var(--line); }
.faq summary { font-family: var(--display); font-weight: 700; color: var(--slate-2); font-size: 1.08rem; cursor: pointer; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--green-text); font-weight: 800; font-size: 1.3rem; line-height: 1; transition: transform .2s ease; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { margin: 12px 0 0; max-width: var(--measure); color: var(--ink-soft); }

/* contact */
.contact { background: var(--slate); color: #e6eef0; position: relative; overflow: hidden; }
.contact h2 { color: #fff; }
.contact h2::before {
  background:
    radial-gradient(circle at 7px 7px, var(--slate) 3px, var(--green) 3.5px, var(--green) 6.5px, transparent 7px),
    linear-gradient(var(--green), var(--green)) 12px 5px / 22px 4px no-repeat;
}
.contact p { max-width: 52ch; }
.contact a { color: #fff; }
.contact .btn { background: var(--green); color: #fff; }
.contact .btn:hover { background: #fff; color: var(--slate); }
.contact .links { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 26px; margin-top: 26px; font-family: var(--display); font-weight: 600; }
.contact svg.circuit { position: absolute; right: -40px; bottom: -10px; width: min(460px, 60vw); opacity: 0.9; pointer-events: none; }
.contact .trace { stroke: #2c4a53; }
.contact .trace.g { stroke: var(--green); }
.contact .node { stroke: #2c4a53; }
.contact .node.g { stroke: var(--green); }
.contact .gear { color: #2c4a53; }
.contact .gear.g { color: var(--green); }
.contact .wrap { position: relative; }

footer { padding: 26px 0 36px; color: var(--ink-soft); font-size: 0.85rem; }
footer .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 10px 24px; }
footer img { height: 34px; width: auto; }

@media (max-width: 900px) {
  .hero-grid, .about, .approach { grid-template-columns: 1fr; }
  .projects { grid-template-columns: 1fr; }
  .sites { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .portrait { max-width: 300px; }
  .contact svg.circuit { opacity: 0.35; }
}
@media (max-width: 520px) {
  .top nav a.hide-sm { display: none; }
  .top .logo img { height: 38px; }
  .sites { grid-template-columns: 1fr; }
}

/* thema's */
.themes { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; margin-top: 28px; }
.themes article { background: #fff; border: 1px solid var(--line); border-top: 4px solid var(--slate); border-radius: 12px; padding: 22px 22px 20px; display: flex; flex-direction: column; }
.themes article:nth-child(-n+3) { border-top-color: var(--green); }
.themes p { margin: 0 0 12px; color: var(--ink-soft); font-size: 0.97rem; }
.themes .more { margin-top: auto; font-family: var(--display); font-weight: 700; font-size: 0.9rem; }

/* postlijst */
.post-list { list-style: none; padding: 0; margin: 24px 0 18px; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; }
.post-list a { display: flex; flex-direction: column; gap: 8px; height: 100%; padding: 20px 22px; border: 1px solid var(--line); border-radius: 12px; background: #fff; text-decoration: none; color: var(--ink); transition: border-color .2s ease, transform .2s ease; }
.post-list a:hover { border-color: var(--green); transform: translateY(-2px); }
.post-list time { font-family: var(--display); font-size: 0.8rem; font-weight: 600; color: var(--green-text); }
.post-list strong { font-family: var(--display); font-weight: 700; color: var(--slate-2); line-height: 1.3; }
.post-list span { font-size: 0.92rem; color: var(--ink-soft); }
a.more { font-family: var(--display); font-weight: 700; }

/* blogpagina's */
.blog-head { padding: clamp(28px, 5vw, 56px) 0 8px; }
.blog-head h1, .post-head h1 { font-family: var(--display); font-weight: 800; color: var(--slate-2); letter-spacing: -0.03em; line-height: 1.05; margin: 0 0 14px; }
.blog-head h1 { font-size: clamp(2.4rem, 1.5rem + 3.5vw, 4rem); }
.blog-list { padding-top: 8px; }
.post { padding-top: clamp(24px, 4vw, 48px); }
.post .wrap { max-width: 760px; }
.crumbs { font-family: var(--display); font-size: 0.85rem; color: var(--ink-soft); margin-bottom: 18px; }
.crumbs a { color: var(--ink-soft); }
.post-head h1 { font-size: clamp(1.9rem, 1.3rem + 2.4vw, 3rem); }
.post-head .meta { font-family: var(--display); font-size: 0.88rem; color: var(--ink-soft); margin: 0 0 28px; }
.post-body { font-size: 1.08em; }
.post-body p { margin: 0 0 1.1em; }
.post-body ul { margin: 0 0 1.1em; padding-left: 1.2em; }
.post-body li::marker { color: var(--green); }
.tags { list-style: none; padding: 0; margin: 28px 0 0; display: flex; flex-wrap: wrap; gap: 8px; }
.tags li { font-family: var(--display); font-size: 0.8rem; font-weight: 600; color: var(--slate-2); background: var(--soft); border-radius: 999px; padding: 4px 12px; }
.origin { margin-top: 26px; padding-top: 18px; border-top: 1px solid var(--line); color: var(--ink-soft); font-size: 0.95rem; }

@media (max-width: 900px) {
  .themes, .post-list { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 620px) {
  .themes, .post-list { grid-template-columns: 1fr; }
}