/* ============================================================
   IFC VIEWER — marketing site, light industrial style
   Palette naar RVD Consultancy: wit / licht grijs, navy tekst,
   bordeaux accent. Offline-safe: systeemfonts, geen externe assets.
   ============================================================ */

:root {
  --bg: #ffffff;
  --bg-2: #eff1f2;        /* licht grijs, sluit aan op screenshot-achtergrond */
  --shot-bg: #f3f5f8;     /* achtergrond van de viewer-screenshots */
  --panel: #ffffff;
  --line: #dfe3e8;
  --line-strong: #c9cfd6;
  --text: #16163f;        /* donker navy */
  --text-dim: #5a6072;
  --accent: #a2275e;      /* bordeaux / magenta */
  --accent-hover: #b93a72;
  --accent-ink: #ffffff;
  --mono: ui-monospace, "Cascadia Mono", Consolas, monospace;
  --head: "Segoe UI", Arial, sans-serif;
  --body: "Segoe UI", Arial, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--body);
  font-size: 17px;
  line-height: 1.6;
}

.wrap {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 28px;
}

/* ---------- header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.97);
  border-bottom: 1px solid var(--line);
}

.header-row {
  display: flex;
  align-items: center;
  gap: 28px;
  height: 64px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text);
}

.logo-mark {
  font-weight: 800;
  background: var(--accent);
  color: var(--accent-ink);
  padding: 3px 8px;
  font-size: 17px;
  letter-spacing: 1px;
}

.logo-mark-small { font-size: 13px; padding: 2px 6px; }

.logo-text {
  font-weight: 800;
  letter-spacing: 0.5px;
  font-size: 17px;
}

.nav { display: flex; gap: 22px; flex: 1; }

.nav a {
  color: var(--text-dim);
  text-decoration: none;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.3px;
  padding: 6px 2px;
  border-bottom: 2px solid transparent;
}

.nav a:hover { color: var(--accent); border-bottom-color: var(--accent); }

/* ---------- taalwissel EN/NL ---------- */
.lang-switch { display: flex; gap: 4px; }

.lang-switch a {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1px;
  text-decoration: none;
  color: var(--text-dim);
  border: 1px solid var(--line-strong);
  border-radius: 4px;
  padding: 4px 9px;
}

.lang-switch a:hover { color: var(--accent); border-color: var(--accent); }

.lang-switch a.active {
  background: var(--text);
  border-color: var(--text);
  color: #fff;
}

/* ---------- buttons ---------- */
.btn {
  display: inline-block;
  font-weight: 700;
  letter-spacing: 0.3px;
  font-size: 14px;
  text-decoration: none;
  padding: 10px 20px;
  border: 2px solid var(--accent);
  color: var(--accent);
  background: transparent;
  cursor: pointer;
  transition: transform 0.08s ease, background 0.15s ease, color 0.15s ease;
}

.btn:hover { transform: translateY(-1px); }

.btn-accent { background: var(--accent); color: var(--accent-ink); }
.btn-accent:hover { background: var(--accent-hover); }

.btn-ghost:hover { background: rgba(162, 39, 94, 0.08); }

.btn-big { padding: 14px 30px; font-size: 15px; }

/* ---------- hero ---------- */
.hero {
  padding: 72px 0 80px;
  background: linear-gradient(180deg, var(--bg-2), var(--bg) 65%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 5fr 6fr;
  gap: 56px;
  align-items: center;
}

.kicker {
  font-family: var(--mono);
  color: var(--accent);
  font-size: 14px;
  letter-spacing: 1px;
  margin-bottom: 18px;
}

h1 {
  font-weight: 800;
  font-size: clamp(34px, 4.2vw, 54px);
  line-height: 1.08;
  letter-spacing: -0.5px;
}

h1 .accent { color: var(--accent); }

.lead {
  margin: 20px 0 28px;
  color: var(--text-dim);
  font-size: 18px;
  max-width: 50ch;
}

.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

.hero-ticks {
  margin-top: 26px;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.hero-ticks li {
  color: var(--text-dim);
  font-size: 15px;
  padding-left: 26px;
  position: relative;
}

.hero-ticks li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 5px;
  width: 12px;
  height: 12px;
  background: var(--accent);
  clip-path: polygon(14% 44%, 0 65%, 40% 100%, 100% 16%, 82% 0%, 40% 62%);
}

/* ---------- screenshots ---------- */
.shot {
  background: var(--shot-bg);
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(22, 22, 63, 0.12);
}

.shot-bar {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 9px 12px;
  background: #e6e9ee;
  border-bottom: 1px solid var(--line);
}

.shot-bar .dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--line-strong);
}

.shot-title {
  margin-left: 8px;
  flex: 1;
  min-width: 0;
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--text-dim);
  letter-spacing: 0.3px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.shot img, .shot video { display: block; width: 100%; height: auto; }

.shot-video { max-width: 900px; margin: 0 auto 42px; }

.shot figcaption {
  padding: 10px 14px;
  font-size: 13.5px;
  color: var(--text-dim);
  border-top: 1px solid var(--line);
  background: var(--panel);
}

/* ---------- feature sections ---------- */
.feature { padding: 76px 0; }

.feature-alt { background: var(--bg-2); }

.section-no {
  font-family: var(--mono);
  color: var(--accent);
  letter-spacing: 1px;
  font-size: 14px;
  margin-bottom: 12px;
}

h2 {
  font-weight: 800;
  font-size: clamp(26px, 3vw, 36px);
  letter-spacing: -0.5px;
  line-height: 1.15;
}

.section-lead {
  margin: 14px 0 36px;
  color: var(--text-dim);
  font-size: 18px;
  max-width: 65ch;
}

/* ---------- 2D/3D-callout ---------- */
.callout {
  background: var(--panel);
  border: 1px solid var(--line);
  border-left: 4px solid var(--accent);
  border-radius: 6px;
  padding: 18px 24px;
  margin: -14px 0 36px;
  max-width: 72ch;
}

.callout p { color: var(--text-dim); font-size: 16.5px; }

.callout strong { color: var(--text); }

.split {
  display: grid;
  grid-template-columns: 7fr 4fr;
  gap: 34px;
  align-items: start;
  margin-bottom: 42px;
}

.split-even { grid-template-columns: 1fr 1fr; }

.split-three { grid-template-columns: repeat(3, 1fr); }

/* ---------- filter panel mockup ---------- */
.panel-mock {
  background: var(--panel);
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  padding: 18px;
  font-size: 15px;
  box-shadow: 0 10px 30px rgba(22, 22, 63, 0.12);
}

.panel-mock-head {
  font-weight: 800;
  font-size: 14px;
  letter-spacing: 0.5px;
  color: var(--accent);
  margin-bottom: 12px;
}

.panel-mock-head-2 { margin-top: 22px; }

.panel-mock-quick {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}

.chip {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.3px;
  padding: 5px 10px;
  border: 1px solid var(--line-strong);
  color: var(--text-dim);
  border-radius: 4px;
}

.chip-active {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(162, 39, 94, 0.07);
}

.tree { list-style: none; }

.tree li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 4px;
  border-bottom: 1px solid var(--bg-2);
}

.tree-cat { font-weight: 700; }

.tree-item { padding-left: 26px !important; color: var(--text-dim); }

.tree em {
  margin-left: auto;
  font-style: normal;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text-dim);
  background: var(--bg-2);
  padding: 1px 7px;
  border-radius: 8px;
}

.cb {
  width: 15px;
  height: 15px;
  flex: 0 0 15px;
  border: 2px solid var(--line-strong);
  border-radius: 3px;
  background: var(--accent);
  box-shadow: inset 0 0 0 2px var(--panel);
}

.cb-off { background: transparent; }

.preset-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 4px;
  border-bottom: 1px solid var(--bg-2);
}

.preset-name { color: var(--text); }

.preset-apply {
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.3px;
  color: var(--accent-ink);
  background: var(--accent);
  padding: 3px 10px;
  border-radius: 3px;
}

/* ---------- mini feature cards ---------- */
.mini-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 18px;
}

.mini {
  background: var(--panel);
  border: 1px solid var(--line);
  border-top: 3px solid var(--accent);
  border-radius: 0 0 6px 6px;
  padding: 20px 22px;
}

.mini h3 {
  font-weight: 800;
  font-size: 16px;
  letter-spacing: 0.2px;
  margin-bottom: 8px;
}

.mini p { color: var(--text-dim); font-size: 15px; }

.mini kbd {
  font-family: var(--mono);
  background: var(--bg-2);
  border: 1px solid var(--line-strong);
  border-bottom-width: 3px;
  border-radius: 4px;
  padding: 1px 7px;
  font-size: 13px;
  color: var(--text);
}

/* ---------- legend ---------- */
.legend {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 28px;
  margin-bottom: 36px;
  padding: 18px 22px;
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 6px;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 15px;
  color: var(--text-dim);
}

.swatch {
  width: 16px;
  height: 16px;
  border: 1px solid rgba(22, 22, 63, 0.25);
  border-radius: 3px;
  flex: 0 0 16px;
}

.swatch-glass {
  background: linear-gradient(135deg, rgba(150, 155, 162, 0.55), rgba(90, 95, 102, 0.35));
}

/* ---------- gallery ---------- */
.gallery {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 26px;
}

/* ---------- IFC4precast export band ---------- */
.export-band {
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-left: 4px solid var(--accent);
  border-radius: 6px;
  padding: 24px 28px;
}

.export-label {
  font-weight: 700;
  margin-bottom: 14px;
}

.export-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 12px;
}

.export-list li {
  background: var(--panel);
  border: 1px solid var(--line-strong);
  border-radius: 4px;
  padding: 8px 16px;
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
}

/* ---------- quote / CTA ---------- */
.feature-quote { background: var(--bg-2); }

.cta-band {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  flex-wrap: wrap;
  background: var(--panel);
  border: 2px solid var(--accent);
  border-radius: 6px;
  padding: 34px 38px;
}

.cta-band h3 {
  font-weight: 800;
  font-size: clamp(20px, 2.2vw, 26px);
  color: var(--accent);
}

.cta-band p { color: var(--text-dim); margin-top: 8px; }

/* ---------- subpagina's & teasers ---------- */
/* kop van een subpagina (mogelijkheden, offerte & trial) */
.page-head {
  padding: 56px 0 8px;
  background: linear-gradient(180deg, var(--bg-2), var(--bg));
}
.page-head h1 { font-size: clamp(30px, 4vw, 44px); }
.page-head .lead { max-width: 68ch; }

/* klikbare teaser-kaarten op de landingspagina */
a.mini {
  display: block;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.15s, transform 0.15s;
}
a.mini:hover { border-color: var(--accent); transform: translateY(-2px); }
.mini .meer {
  display: inline-block;
  margin-top: 10px;
  color: var(--accent);
  font-weight: 700;
  font-size: 14px;
}

/* ---------- tekstpagina (privacy) ---------- */
.prose { max-width: 72ch; }
.prose h2 { font-size: 19px; margin: 30px 0 8px; }
.prose p, .prose li { color: var(--text-dim); font-size: 15.5px; }
.prose ul { padding-left: 22px; margin: 8px 0 16px; }
.prose a { color: var(--accent); }

/* ---------- aanvraagformulier (viewer op maat) ---------- */
.aanvraag-form {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 26px;
  margin-top: 26px;
  max-width: 720px;
}
.aanvraag-form label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-dim);
  margin: 16px 0 5px;
}
.aanvraag-form label:first-child { margin-top: 0; }
.aanvraag-form .verplicht { color: var(--accent); }
.aanvraag-form input[type="text"],
.aanvraag-form input[type="email"],
.aanvraag-form input[type="tel"],
.aanvraag-form textarea {
  width: 100%;
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 15px;
  font-family: var(--body);
}
.aanvraag-form textarea { min-height: 110px; resize: vertical; }
.aanvraag-form input:focus,
.aanvraag-form textarea:focus { outline: 2px solid var(--accent); border-color: transparent; }
.aanvraag-form button[type="submit"] {
  margin-top: 22px;
  border: none;
  cursor: pointer;
  font-family: var(--body);
}
.aanvraag-form button[type="submit"]:disabled { opacity: 0.5; cursor: wait; }
.aanvraag-resultaat { margin-top: 14px; font-size: 15px; min-height: 1.4em; }
.aanvraag-resultaat.ok { color: #15803d; font-weight: 600; }
.aanvraag-resultaat.fout { color: #b91c1c; font-weight: 600; }
.aanvraag-privacy { margin-top: 14px; font-size: 12.5px; color: var(--text-dim); }
.honeypot { position: absolute; left: -9999px; top: -9999px; }

/* ---------- footer ---------- */
.site-footer {
  border-top: 1px solid var(--line);
  background: var(--bg);
}

.footer-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  padding-top: 26px;
  padding-bottom: 34px;
}

.footer-name {
  font-weight: 800;
  letter-spacing: 0.5px;
  font-size: 14px;
  margin-left: 10px;
}

.footer-meta {
  color: var(--text-dim);
  font-size: 13px;
  font-family: var(--mono);
}

.footer-meta a { color: var(--accent); text-decoration: none; }
.footer-meta a:hover { text-decoration: underline; }

/* Grid-kinderen mogen niet breder worden dan hun kolom (nowrap-inhoud) */
.hero-grid > *, .split > *, .gallery > * { min-width: 0; }

/* ---------- responsive ---------- */
@media (max-width: 980px) {
  .hero-grid, .split, .split-even, .split-three, .gallery { grid-template-columns: 1fr; }
  .nav { display: none; }
}