/* Naranjo Substrates - site styles */
:root {
  --paper: #F7F6F3;
  --surface: #FFFFFF;
  --ink: #15171C;
  --ink-soft: #2A2E37;
  --muted: #5D6370;
  --line: #E2DFD9;
  --naranja: #E2610C;
  --naranja-ink: #B04803;
  --naranja-soft: #FCEBDD;
  --glass: #D3E6EC;
  --glass-deep: #8FB8C4;
  --error: #B3261E;
  --radius: 14px;
  --wrap: 1180px;
  --font: "Segoe UI Variable Text", "Segoe UI", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Roboto, Arial, sans-serif;
  --font-display: "Segoe UI Variable Display", "Segoe UI", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Roboto, Arial, sans-serif;
  color-scheme: light;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 5rem; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 17px/1.6 var(--font);
  font-variant-numeric: lining-nums;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--naranja-ink); }
:focus-visible { outline: 2px solid var(--naranja); outline-offset: 3px; border-radius: 4px; }
.wrap { width: min(var(--wrap), 100% - 2.5rem); margin-inline: auto; }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 1rem; top: 1rem; z-index: 100; background: var(--ink); color: #fff; padding: .5rem 1rem; border-radius: 8px; }

/* ------------------------------------------------------------ header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--paper) 86%, transparent);
  backdrop-filter: saturate(1.4) blur(12px);
  -webkit-backdrop-filter: saturate(1.4) blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color .2s;
}
.site-header .wrap { display: flex; align-items: center; gap: 2rem; height: 4.25rem; }
.brand { display: inline-flex; align-items: center; gap: .6rem; color: var(--ink); text-decoration: none; font-weight: 650; letter-spacing: -0.01em; font-size: 1.05rem; }
.brand svg { width: 30px; height: 30px; flex: none; }
.brand span { color: var(--muted); font-weight: 450; }
.nav { display: flex; gap: 1.75rem; margin-left: auto; }
.nav a { color: var(--ink-soft); text-decoration: none; font-size: .95rem; }
.nav a:hover { color: var(--naranja-ink); }

.btn {
  display: inline-flex; align-items: center; gap: .5rem;
  font: inherit; font-size: .95rem; font-weight: 600;
  padding: .7rem 1.25rem; border-radius: 999px;
  background: var(--naranja); color: #fff; text-decoration: none;
  border: 1px solid var(--naranja); cursor: pointer;
  transition: background .15s, transform .15s;
}
.btn:hover { background: var(--naranja-ink); border-color: var(--naranja-ink); }
.btn:active { transform: translateY(1px); }
.btn svg { width: 16px; height: 16px; }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { background: var(--surface); border-color: var(--ink); color: var(--ink); }
.site-header .btn { padding: .55rem 1.1rem; }

/* ------------------------------------------------------------ hero */
.hero { position: relative; overflow: hidden; padding: clamp(3rem, 7vw, 6rem) 0 clamp(3rem, 6vw, 5rem); }
.hero::before {
  /* fijn raster, als een lithografiemasker */
  content: ""; position: absolute; inset: 0; z-index: -1;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 32px 32px;
  -webkit-mask-image: radial-gradient(ellipse 70% 70% at 75% 40%, #000 20%, transparent 75%);
          mask-image: radial-gradient(ellipse 70% 70% at 75% 40%, #000 20%, transparent 75%);
  opacity: .7;
}
.hero .wrap { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); gap: clamp(2rem, 5vw, 4rem); align-items: center; }
.eyebrow { display: inline-flex; align-items: center; gap: .5rem; font-size: .82rem; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: var(--naranja-ink); margin: 0 0 1.25rem; }
.eyebrow::before { content: ""; width: 18px; height: 2px; background: var(--naranja); }
.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 1.3rem + 4.4vw, 4.5rem);
  line-height: 1.02; letter-spacing: -0.038em; font-weight: 700;
  margin: 0; max-width: 13ch;
}
.hero h1 em { font-style: normal; color: var(--naranja); }
.lead { font-size: clamp(1.05rem, 1rem + .3vw, 1.2rem); color: var(--muted); max-width: 46ch; margin: 1.5rem 0 2rem; }
.actions { display: flex; flex-wrap: wrap; gap: .75rem; }
.hero-art svg { width: 100%; height: auto; overflow: visible; }

/* ITO-vingers tekenen zich in bij het laden */
.finger { transform-box: fill-box; animation: grow .9s cubic-bezier(.2, .7, .2, 1) both; animation-delay: calc(.35s + var(--i) * .07s); }
.finger.l { transform-origin: left center; }
.finger.r { transform-origin: right center; }
@keyframes grow { from { transform: scaleX(0); } }
.callout { animation: fade .6s ease both; animation-delay: 1.3s; }
@keyframes fade { from { opacity: 0; } }

/* ------------------------------------------------------------ key figures */
.figures { border-block: 1px solid var(--line); background: var(--surface); }
.figures dl { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); margin: 0; }
.figures div { padding: 1.6rem 1.5rem; border-left: 1px solid var(--line); }
.figures div:first-child { border-left: 0; padding-left: 0; }
.figures dt { font-size: .88rem; color: var(--muted); order: 2; }
.figures dd { margin: 0 0 .15rem; font-family: var(--font-display); font-size: clamp(1.5rem, 1.1rem + 1.2vw, 2.1rem); font-weight: 650; letter-spacing: -0.025em; }
.figures div { display: flex; flex-direction: column; }
.figures dd { order: 1; }

/* ------------------------------------------------------------ sections */
.section { padding: clamp(4rem, 8vw, 7rem) 0; }
.section + .section { padding-top: 0; }
.section-head { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 2rem 4rem; align-items: end; margin-bottom: 3rem; }
.section h2 { font-family: var(--font-display); font-size: clamp(1.9rem, 1.3rem + 2vw, 2.9rem); line-height: 1.08; letter-spacing: -0.03em; font-weight: 680; margin: 0; }
.section-head p { color: var(--muted); margin: 0; max-width: 52ch; }

.props { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 2rem; margin: 0; padding: 0; list-style: none; }
.props li { border-top: 2px solid var(--ink); padding-top: 1.1rem; }
.props h3 { font-size: 1.05rem; margin: 0 0 .4rem; letter-spacing: -0.01em; }
.props p { color: var(--muted); margin: 0; font-size: .95rem; }

/* specs */
.specs { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr); gap: 1.5rem; }
.panel { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.75rem; }
.panel h3 { margin: 0 0 1.1rem; font-size: 1rem; letter-spacing: -0.01em; }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; }
th, td { text-align: left; padding: .9rem 1rem .9rem 0; border-bottom: 1px solid var(--line); white-space: nowrap; }
th { font-size: .82rem; font-weight: 600; color: var(--muted); letter-spacing: .02em; }
td { font-size: 1.05rem; }
tbody tr:last-child td { border-bottom: 0; }
td strong { font-weight: 650; }
.thickness { display: flex; gap: 1rem; align-items: flex-end; height: 130px; margin: .5rem 0 1rem; }
.thickness figure { margin: 0; flex: 1; display: flex; flex-direction: column; justify-content: flex-end; gap: .6rem; height: 100%; }
.slab { border-radius: 4px; background: linear-gradient(180deg, #fff 0%, var(--glass) 55%, var(--glass-deep) 100%); border: 1px solid var(--glass-deep); position: relative; }
.slab::before { content: ""; position: absolute; left: 0; right: 0; top: -1px; height: 3px; background: var(--naranja); opacity: .7; border-radius: 4px 4px 0 0; }
.thickness figcaption { font-size: 1.4rem; font-weight: 650; letter-spacing: -0.02em; }
.thickness figcaption span { display: block; font-size: .82rem; font-weight: 450; color: var(--muted); letter-spacing: 0; }
.note { color: var(--muted); font-size: .92rem; margin: 1rem 0 0; }

/* patterns */
.pattern { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(2rem, 5vw, 4.5rem); align-items: start; }
.steps { list-style: none; margin: 2rem 0 2.25rem; padding: 0; counter-reset: step; }
.steps li { counter-increment: step; display: grid; grid-template-columns: 2.5rem 1fr; gap: .25rem 1rem; padding: 1.1rem 0; border-top: 1px solid var(--line); }
.steps li::before {
  content: counter(step); grid-row: span 2;
  width: 2rem; height: 2rem; border-radius: 50%; display: grid; place-items: center;
  font-size: .9rem; font-weight: 650; color: var(--naranja-ink); background: var(--naranja-soft);
}
.steps strong { font-size: 1rem; }
.steps span { color: var(--muted); font-size: .95rem; }
.gallery { display: grid; gap: 1rem; }
.gallery figure { margin: 0; }
.gallery img { width: 100%; border-radius: var(--radius); border: 1px solid var(--line); background: var(--surface); }
.gallery figcaption { font-size: .85rem; color: var(--muted); margin-top: .5rem; }

/* applications */
.apps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; margin: 0; padding: 0; list-style: none; }
.apps li { background: var(--surface); padding: 1.75rem; display: flex; gap: 1rem; align-items: flex-start; transition: background .2s; }
.apps li:hover { background: #FFFCF9; }
.apps svg { width: 40px; height: 40px; flex: none; color: var(--naranja); }
.apps h3 { margin: .35rem 0 .2rem; font-size: 1.02rem; letter-spacing: -0.01em; }
.apps p { margin: 0; color: var(--muted); font-size: .92rem; }

/* cta */
.cta { background: var(--ink); color: #fff; border-radius: calc(var(--radius) + 6px); padding: clamp(2.5rem, 5vw, 4rem); display: grid; grid-template-columns: minmax(0, 1.4fr) auto; gap: 2rem; align-items: center; position: relative; overflow: hidden; }
.cta::after {
  content: ""; position: absolute; right: -80px; top: -80px; width: 320px; height: 320px; border-radius: 50%;
  background: radial-gradient(circle, color-mix(in srgb, var(--naranja) 45%, transparent), transparent 70%);
  pointer-events: none;
}
.cta h2 { color: #fff; }
.cta p { color: #B9BEC9; margin: .9rem 0 0; max-width: 50ch; }
.cta .btn { position: relative; z-index: 1; }

/* footer */
.site-footer { padding: 3rem 0 3.5rem; color: var(--muted); font-size: .9rem; }
.site-footer .wrap { display: flex; flex-wrap: wrap; gap: 1rem 2rem; justify-content: space-between; border-top: 1px solid var(--line); padding-top: 2rem; }
.site-footer a { color: var(--muted); }
.site-footer a:hover { color: var(--ink); }

/* ------------------------------------------------------------ quotation page */
.page-head { padding: clamp(2.5rem, 6vw, 4.5rem) 0 2rem; }
.page-head h1 { font-family: var(--font-display); font-size: clamp(2.2rem, 1.4rem + 3vw, 3.4rem); line-height: 1.05; letter-spacing: -0.035em; margin: 0; max-width: 16ch; }
.quote { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.5fr); gap: clamp(2rem, 5vw, 4rem); align-items: start; padding-bottom: clamp(4rem, 8vw, 6rem); }
.quote aside { position: sticky; top: 6rem; }
.quote aside p { color: var(--muted); }
.quote aside .steps { margin-top: 1.5rem; }

.form { background: var(--surface); border: 1px solid var(--line); border-radius: calc(var(--radius) + 4px); padding: clamp(1.5rem, 4vw, 2.5rem); }
.form fieldset { border: 0; margin: 0 0 1.75rem; padding: 0; }
.form legend { font-weight: 650; font-size: 1.05rem; letter-spacing: -0.01em; margin-bottom: 1rem; padding: 0; }
.grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem 1.1rem; }
.grid .full { grid-column: 1 / -1; }
.field label { display: block; font-size: .88rem; font-weight: 600; margin-bottom: .35rem; }
.field label .opt { font-weight: 400; color: var(--muted); }
.field input, .field select, .field textarea {
  width: 100%; font: inherit; font-size: 1rem; color: var(--ink);
  background: var(--paper); border: 1px solid var(--line); border-radius: 10px;
  padding: .7rem .85rem; transition: border-color .15s, background .15s, box-shadow .15s;
}
.field textarea { min-height: 150px; resize: vertical; }
.field select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M4 6l4 4 4-4' fill='none' stroke='%235D6370' stroke-width='1.6'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right .8rem center; background-size: 14px; padding-right: 2.2rem; }
.field input:hover, .field select:hover, .field textarea:hover { border-color: #CBC7C0; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; background: var(--surface); border-color: var(--naranja); box-shadow: 0 0 0 3px var(--naranja-soft); }
.field [aria-invalid="true"] { border-color: var(--error); background: #FFF8F7; }
.field .err { color: var(--error); font-size: .85rem; margin: .35rem 0 0; }

.choices { display: flex; flex-wrap: wrap; gap: .5rem; }
.choices label { margin: 0; font-weight: 500; }
.choices input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.choices span {
  display: inline-block; padding: .5rem .95rem; border: 1px solid var(--line); border-radius: 999px;
  font-size: .92rem; background: var(--paper); cursor: pointer; transition: all .15s;
}
.choices span:hover { border-color: #CBC7C0; }
.choices input:checked + span { background: var(--ink); color: #fff; border-color: var(--ink); }
.choices input:focus-visible + span { outline: 2px solid var(--naranja); outline-offset: 2px; }

.field label.consent { display: flex; gap: .7rem; align-items: flex-start; font-size: .95rem; font-weight: 450; color: var(--ink-soft); margin: 0; cursor: pointer; }
.consent input { width: 1.1rem; height: 1.1rem; margin-top: .2rem; accent-color: var(--naranja); flex: none; }
.privacy { font-size: .85rem; color: var(--muted); margin: .75rem 0 1.5rem; }
.form-foot { display: flex; flex-wrap: wrap; align-items: center; gap: 1rem 1.5rem; }
.form-foot small { color: var(--muted); }
.hp { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }

.alert { border-radius: 12px; padding: 1rem 1.2rem; margin-bottom: 1.5rem; font-size: .95rem; }
.alert-error { background: #FDEEEC; color: #7A1A14; border: 1px solid #F3C9C4; }
.success { text-align: left; }
.success .tick { width: 52px; height: 52px; border-radius: 50%; background: var(--naranja-soft); color: var(--naranja-ink); display: grid; place-items: center; margin-bottom: 1.25rem; }
.success .tick svg { width: 26px; height: 26px; }
.success h2 { font-family: var(--font-display); font-size: 1.8rem; letter-spacing: -0.025em; margin: 0 0 .6rem; }
.success p { color: var(--muted); margin: 0 0 1.5rem; max-width: 48ch; }

/* 404 */
.notfound { min-height: 60vh; display: grid; place-items: center; text-align: center; padding: 4rem 0; }
.notfound h1 { font-family: var(--font-display); font-size: clamp(2rem, 1.5rem + 2vw, 3rem); letter-spacing: -0.03em; margin: 0 0 .75rem; }
.notfound p { color: var(--muted); margin: 0 0 2rem; }

/* ------------------------------------------------------------ responsive */
@media (max-width: 960px) {
  .hero .wrap, .section-head, .specs, .pattern, .quote, .cta { grid-template-columns: minmax(0, 1fr); }
  .hero-art { max-width: 560px; }
  .props { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .apps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .quote aside { position: static; }
  .nav { display: none; }
  .site-header .btn { margin-left: auto; }
}
@media (max-width: 640px) {
  body { font-size: 16px; }
  .figures dl { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .figures div { padding: 1.25rem 1rem; }
  .figures div:nth-child(odd) { border-left: 0; padding-left: 0; }
  .figures div:nth-child(n+3) { border-top: 1px solid var(--line); }
  .props, .apps, .grid { grid-template-columns: minmax(0, 1fr); }
  .brand span { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}
@media print {
  .site-header, .cta, .hero::before { display: none; }
  body { background: #fff; }
}