/* ============================================
   MK Modulair Bouw — stylesheet
   Design tokens
   ============================================ */
:root {
  --ink:        #1E1712;   /* near-black walnut — dark sections, body text */
  --paper:      #EEE3CA;   /* warm oat paper — light section backgrounds */
  --paper-2:    #E4D6B4;   /* slightly deeper paper, for cards/panels */
  --rust:       #A8482D;   /* burnt sienna — primary accent, CTAs */
  --rust-dark:  #8A3A22;   /* hover state for rust */
  --brass:      #B8863B;   /* aged brass — secondary accent, hardware */
  --forest:     #445240;   /* deep pine — sparing accent, links on paper */
  --cream-text: #F2EAD8;   /* text on dark ink backgrounds */
  --line:       rgba(30, 23, 18, 0.14);

  --font-display: "Bitter", Georgia, serif;
  --font-body: "Work Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", "Courier New", monospace;

  --max-width: 1180px;
  --radius: 3px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

body {
  margin: 0;
  font-family: var(--font-body);
  background: var(--paper);
  color: var(--ink);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.15;
  margin: 0 0 0.5em 0;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.4rem, 5vw, 4.2rem); }
h2 { font-size: clamp(1.8rem, 3.2vw, 2.6rem); }
h3 { font-size: 1.3rem; }

p { margin: 0 0 1em 0; }

a { color: inherit; }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* Utility / label style — the "spec sheet" motif */
.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--rust);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}

.eyebrow::before {
  content: "";
  width: 22px;
  height: 1px;
  background: var(--rust);
  display: inline-block;
}

/* ============================================
   Finger-joint divider — signature element
   A zigzag echoing a carpenter's finger joint,
   used to separate major sections.
   ============================================ */
.joint-divider {
  width: 100%;
  height: 22px;
  display: block;
  color: var(--brass);
}

.joint-divider.on-dark { color: var(--ink); }
.joint-divider.flip { transform: scaleY(-1); }

/* ============================================
   Header / Nav
   ============================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--ink);
  color: var(--cream-text);
  border-bottom: 1px solid rgba(242, 234, 216, 0.12);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 84px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--cream-text);
  text-decoration: none;
}

.logo .mark {
  width: 42px;
  height: 42px;
  border: 1.5px solid var(--brass);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--brass);
  flex-shrink: 0;
}

.logo .name-full { font-size: 1.05rem; }
.logo .name-full span { display: block; font-family: var(--font-mono); font-size: 0.62rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--brass); font-weight: 400; margin-top: 2px; }

.nav-links {
  display: flex;
  gap: 36px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--cream-text);
  position: relative;
  padding: 6px 0;
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 0%;
  height: 2px;
  background: var(--rust);
  transition: width 0.25s ease;
}

.nav-links a:hover::after,
.nav-links a[aria-current="page"]::after {
  width: 100%;
}

.nav-cta {
  background: var(--rust);
  color: var(--cream-text) !important;
  padding: 10px 20px;
  border-radius: var(--radius);
  font-weight: 600 !important;
}
.nav-cta::after { display: none; }
.nav-cta:hover { background: var(--rust-dark); }

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--brass);
  color: var(--cream-text);
  padding: 8px 10px;
  border-radius: var(--radius);
  cursor: pointer;
}

@media (max-width: 860px) {
  .nav-toggle { display: block; }
  .nav-links {
    position: absolute;
    top: 84px; left: 0; right: 0;
    background: var(--ink);
    flex-direction: column;
    gap: 0;
    padding: 8px 24px 20px;
    display: none;
    border-bottom: 1px solid rgba(242,234,216,0.12);
  }
  .nav-links.open { display: flex; }
  .nav-links li { width: 100%; }
  .nav-links a { display: block; padding: 12px 0; }
  .nav-cta { display: inline-block; margin-top: 8px; }
}

/* ============================================
   Buttons
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 26px;
  border-radius: var(--radius);
  font-weight: 600;
  text-decoration: none;
  font-size: 0.98rem;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease, transform 0.15s ease;
}

.btn-primary {
  background: var(--rust);
  color: var(--cream-text);
}
.btn-primary:hover { background: var(--rust-dark); transform: translateY(-1px); }

.btn-outline {
  background: transparent;
  border-color: var(--ink);
  color: var(--ink);
}
.btn-outline:hover { background: var(--ink); color: var(--cream-text); }

.btn-outline.on-dark {
  border-color: var(--cream-text);
  color: var(--cream-text);
}
.btn-outline.on-dark:hover { background: var(--cream-text); color: var(--ink); }

/* ============================================
   Hero
   ============================================ */
.hero {
  background: var(--ink);
  color: var(--cream-text);
  position: relative;
  overflow: hidden;
}

.hero .container {
  padding-top: 96px;
  padding-bottom: 96px;
  position: relative;
  z-index: 2;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 56px;
  align-items: center;
}

@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
}

.hero h1 { color: var(--cream-text); }
.hero .lede { font-size: 1.15rem; color: rgba(242,234,216,0.82); max-width: 46ch; }
.hero-actions { display: flex; gap: 16px; margin-top: 32px; flex-wrap: wrap; }

/* Dimension-line decorative panel (technical drawing motif) */
.spec-panel {
  border: 1px solid rgba(242,234,216,0.25);
  padding: 28px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: rgba(242,234,216,0.75);
  background: rgba(242,234,216,0.03);
}
.spec-panel .spec-row {
  display: flex;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px dashed rgba(242,234,216,0.18);
}
.spec-panel .spec-row:last-child { border-bottom: none; }
.spec-panel .spec-row b { color: var(--brass); font-weight: 500; }

/* ============================================
   Sections
   ============================================ */
.section { padding: 88px 0; }
.section-tight { padding: 64px 0; }
.section-dark { background: var(--ink); color: var(--cream-text); }
.section-dark h2 { color: var(--cream-text); }
.section-paper2 { background: var(--paper-2); }

.section-head { max-width: 640px; margin-bottom: 48px; }

/* Grid of service/value cards */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
@media (max-width: 900px) { .card-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 620px) { .card-grid { grid-template-columns: 1fr; } }

.card {
  background: var(--paper);
  border: 1px solid var(--line);
  padding: 32px 28px;
  border-radius: var(--radius);
  position: relative;
}
.section-paper2 .card { background: var(--paper); }
.section-dark .card {
  background: rgba(242,234,216,0.04);
  border-color: rgba(242,234,216,0.14);
}

.card .num {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--brass);
  letter-spacing: 0.08em;
  margin-bottom: 14px;
  display: block;
}

.card h3 { margin-bottom: 10px; }
.card p { margin: 0; color: rgba(30,23,18,0.72); font-size: 0.96rem; }
.section-dark .card p { color: rgba(242,234,216,0.7); }

/* Photo placeholders — wood-toned gradient stand-ins */
.photo-placeholder {
  background:
    repeating-linear-gradient(
      100deg,
      #8A5A34 0px, #8A5A34 14px,
      #7A4C29 14px, #7A4C29 28px
    );
  border-radius: var(--radius);
  position: relative;
  min-height: 220px;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
}
.photo-placeholder::after {
  content: "FOTO — vervang dit vlak";
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(30,23,18,0.55);
  color: var(--cream-text);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-align: center;
  padding: 10px;
}

/* Two column layout */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
@media (max-width: 860px) { .two-col { grid-template-columns: 1fr; } }

/* Stats row */
.stat-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 40px 0;
}
@media (max-width: 700px) { .stat-row { grid-template-columns: 1fr 1fr; } }
.stat { text-align: left; }
.stat .figure {
  font-family: var(--font-display);
  font-size: 2.4rem;
  color: var(--rust);
  font-weight: 700;
  display: block;
}
.stat .label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(30,23,18,0.6);
}

/* Timeline (process steps) — order genuinely matters here */
.process-list {
  list-style: none;
  margin: 0; padding: 0;
  counter-reset: step;
}
.process-list li {
  counter-increment: step;
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 24px;
  padding: 28px 0;
  border-bottom: 1px solid var(--line);
}
.process-list li:last-child { border-bottom: none; }
.process-list li::before {
  content: counter(step, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 1.1rem;
  color: var(--brass);
}

/* Gallery grid (projecten) */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
@media (max-width: 900px) { .gallery-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .gallery-grid { grid-template-columns: 1fr; } }

.gallery-item {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
}
.gallery-item .photo-placeholder { min-height: 200px; margin: 0; }
.gallery-caption {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 14px 16px;
  background: linear-gradient(to top, rgba(30,23,18,0.85), transparent);
  color: var(--cream-text);
  font-size: 0.85rem;
  z-index: 2;
}
.filter-bar {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 36px;
}
.filter-btn {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 8px 16px;
  border: 1px solid var(--ink);
  background: transparent;
  border-radius: 999px;
  cursor: pointer;
  color: var(--ink);
}
.filter-btn.active, .filter-btn:hover {
  background: var(--ink);
  color: var(--cream-text);
}

/* Quote / testimonial */
.quote-block {
  border-left: 3px solid var(--rust);
  padding-left: 28px;
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-style: italic;
  max-width: 60ch;
}
.quote-block cite {
  display: block;
  margin-top: 16px;
  font-family: var(--font-mono);
  font-style: normal;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--brass);
}

/* Contact page */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
}
@media (max-width: 860px) { .contact-grid { grid-template-columns: 1fr; } }

.contact-detail {
  display: flex;
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}
.contact-detail .k {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--brass);
  width: 110px;
  flex-shrink: 0;
  padding-top: 3px;
}

form { display: flex; flex-direction: column; gap: 18px; }
label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink);
  margin-bottom: 6px;
  display: block;
}
input, textarea, select {
  width: 100%;
  padding: 13px 14px;
  border: 1.5px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
  font-family: var(--font-body);
  font-size: 0.98rem;
  color: var(--ink);
}
input:focus, textarea:focus, select:focus {
  outline: 2px solid var(--rust);
  outline-offset: 1px;
  border-color: var(--rust);
}
textarea { resize: vertical; min-height: 130px; }
.form-status { font-family: var(--font-mono); font-size: 0.85rem; margin-top: 6px; min-height: 1.2em; }

/* CTA band */
.cta-band {
  background: var(--rust);
  color: var(--cream-text);
  text-align: center;
}
.cta-band h2 { color: var(--cream-text); }
.cta-band .lede { max-width: 50ch; margin: 0 auto 32px; color: rgba(242,234,216,0.88); }

/* Footer */
.site-footer {
  background: var(--ink);
  color: rgba(242,234,216,0.7);
  padding: 56px 0 28px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 36px;
  border-bottom: 1px solid rgba(242,234,216,0.12);
}
@media (max-width: 700px) { .footer-grid { grid-template-columns: 1fr; } }
.footer-grid h4 {
  color: var(--cream-text);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 16px;
}
.footer-grid ul { list-style: none; padding: 0; margin: 0; }
.footer-grid li { margin-bottom: 10px; }
.footer-grid a { text-decoration: none; color: rgba(242,234,216,0.7); }
.footer-grid a:hover { color: var(--brass); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 24px;
  font-size: 0.8rem;
  font-family: var(--font-mono);
}

/* Placeholder callouts for content the owner must still fill in */
.todo-flag {
  display: inline-block;
  background: var(--brass);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 2px 8px;
  border-radius: 999px;
  margin-left: 8px;
  vertical-align: middle;
}

/* Reveal on scroll */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.in-view {
  opacity: 1;
  transform: translateY(0);
}

/* Skip link for accessibility */
.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--rust);
  color: var(--cream-text);
  padding: 12px 18px;
  z-index: 200;
}
.skip-link:focus { left: 12px; top: 12px; }