/* =============================================
   RESET & BASE
   ============================================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  color-scheme: light;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; height: auto; }
a   { color: inherit; text-decoration: none; }
ul  { list-style: none; }

h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text);
}

/* =============================================
   LAYOUT HELPERS
   ============================================= */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem;
}

.section-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

/* =============================================
   HEADER
   ============================================= */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-h);
  background: #ffffff;
  border-bottom: 1px solid var(--border);
  transition: box-shadow var(--trans);
}

.site-header.scrolled {
  box-shadow: 0 2px 12px rgba(17,24,39,0.1);
  border-bottom-color: transparent;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  padding: 0 2rem;
  max-width: var(--max-width);
  margin: 0 auto;
}

/* Logo */
.site-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.logo-img {
  height: 56px;
  width: auto;
  object-fit: contain;
  flex-shrink: 0;
  transition: opacity var(--trans);
}

.logo-text {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.1rem;
}

.logo-name {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.2;
  letter-spacing: 0.01em;
  text-transform: none;
}

.logo-tagline {
  font-family: var(--font-sans);
  font-size: 0.68rem;
  font-weight: 400;
  color: var(--muted);
  letter-spacing: 0.1em;
  text-transform: lowercase;
  line-height: 1;
}

.site-logo:hover .logo-img { opacity: 0.85; }

.footer-logo {
  height: 30px;
  width: auto;
  object-fit: contain;
  opacity: 0.75;
  margin-bottom: 0.4rem;
}

/* Nav */
.nav-list {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav-list li a {
  display: block;
  padding: 0.45rem 1rem;
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--text);
  border-radius: 4px;
  transition: color var(--trans);
}

.nav-list li a:hover { color: var(--accent); }

.nav-list li a.nav-cta {
  color: var(--accent);
  border: 1px solid var(--accent);
  padding: 0.35rem 1rem;
  border-radius: 999px;
}

.nav-list li a.nav-cta:hover {
  background: var(--accent);
  color: var(--white);
}

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform var(--trans), opacity var(--trans);
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* =============================================
   SITE WRAPPER
   ============================================= */
.site-wrapper {
  min-height: 100vh;
}

/* =============================================
   HERO — HOMEPAGE
   ============================================= */
.hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  filter: brightness(1);
  transform: scale(1.03);
  transition: transform 8s ease;
}

.hero:hover .hero-bg { transform: scale(1.06); }

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(0,0,0,0.05) 0%,
    rgba(0,0,0,0.05) 40%,
    rgba(0,0,0,0.55) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 2rem;
}

.hero-brand {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  justify-content: center;
}

.hero-logo {
  /* hoogte = h1 line-height + margin + tagline hoogte */
  height: clamp(4.5rem, 9vw, 8rem);
  width: auto;
  flex-shrink: 0;
  filter: brightness(0) invert(1);
  opacity: 0.92;
}

.hero-text {
  text-align: left;
}

.hero-content h1 {
  font-size: clamp(2.8rem, 7vw, 6rem);
  font-weight: 700;
  color: var(--white);
  letter-spacing: -0.01em;
  text-shadow: 0 2px 20px rgba(0,0,0,0.5);
}

.hero-content h1 em {
  font-style: normal;
  color: var(--accent);
}

.hero-tagline {
  font-size: clamp(0.95rem, 2vw, 1.2rem);
  color: rgba(232,232,232,0.85);
  letter-spacing: 0.2em;
  text-transform: lowercase;
  margin-top: 0.6rem;
  font-weight: 300;
}

.hero-actions {
  margin-top: 2.5rem;
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.scroll-indicator {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  color: rgba(232,232,232,0.5);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  animation: bounceDown 2s ease-in-out infinite;
}

.scroll-indicator::after {
  content: '';
  display: block;
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, rgba(232,232,232,0.4), transparent);
}

@keyframes bounceDown {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50%       { transform: translateX(-50%) translateY(6px); }
}

/* =============================================
   BUTTONS
   ============================================= */
.btn {
  display: inline-block;
  padding: 0.75rem 1.75rem;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: 999px;
  cursor: pointer;
  transition: background var(--trans), color var(--trans), border-color var(--trans), transform 150ms;
  border: 2px solid transparent;
  letter-spacing: 0.03em;
}

.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: var(--accent);
  color: var(--white);
  border-color: var(--accent);
}

.btn-primary:hover {
  background: var(--accent-h);
  border-color: var(--accent-h);
}

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

.btn-outline:hover {
  background: var(--bg2);
  border-color: var(--muted);
}

/* btn-outline in hero/dark context blijft wit */
.hero .btn-outline {
  color: var(--white);
  border-color: rgba(255,255,255,0.55);
}

.hero .btn-outline:hover {
  border-color: var(--white);
  background: rgba(255,255,255,0.1);
}

/* =============================================
   HOMEPAGE: PORTFOLIO PREVIEW GRID
   ============================================= */
.section {
  padding: 6rem 0;
}

.section-header {
  margin-bottom: 3rem;
}

.section-header h2 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
}

/* 3-delig asymmetrisch grid */
.preview-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  grid-template-rows: 260px 260px;
  gap: 6px;
}

.preview-item {
  position: relative;
  overflow: hidden;
  cursor: pointer;
}

.preview-item:nth-child(1) {
  grid-column: 1;
  grid-row: 1 / 3;
}

.preview-item img,
.preview-item .preview-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 600ms var(--ease);
}

.preview-item:hover img,
.preview-item:hover .preview-img { transform: scale(1.06); }

.preview-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.65) 0%, transparent 60%);
  opacity: 0;
  transition: opacity var(--trans);
  display: flex;
  align-items: flex-end;
  padding: 1.25rem;
}

.preview-item:hover .preview-overlay { opacity: 1; }

.preview-overlay span {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--white);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* =============================================
   HOMEPAGE: INTRO SECTIE
   ============================================= */
.intro-section {
  background: var(--bg2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}

.intro-text h2 { margin-bottom: 1.25rem; }

.intro-text p {
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.8;
  margin-bottom: 1rem;
}

.intro-text p:last-of-type { margin-bottom: 2rem; }

.intro-image {
  position: relative;
}

.intro-image img {
  display: block;
  width: auto;
  max-width: 260px;
  height: auto;
  margin: 0 auto;
  border-radius: 2px;
}


/* =============================================
   HOMEPAGE: CATEGORIEËN
   ============================================= */
.categories-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 1rem;
}

.cat-card {
  position: relative;
  overflow: hidden;
  border-radius: 6px;
  aspect-ratio: 3/4;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--surface);
  border: 1px solid var(--border);
}

.cat-card img {
  width: 60%;
  height: auto;
  object-fit: contain;
  transition: transform 600ms var(--ease);
}

.cat-card:hover img { transform: scale(1.08); }

.cat-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.75) 0%, rgba(0,0,0,0.1) 60%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.5rem;
  transition: background var(--trans);
}

.cat-card:hover .cat-card-overlay {
  background: linear-gradient(to top, rgba(14,116,144,0.6) 0%, rgba(0,0,0,0.1) 60%);
}

.cat-card-overlay h3 {
  font-size: 1.15rem;
  color: var(--white);
}

.cat-card-overlay span {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.65);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-top: 0.25rem;
}

/* =============================================
   HOMEPAGE: CTA
   ============================================= */
.cta-section {
  text-align: center;
  background: linear-gradient(135deg, #ecfeff 0%, #cffafe 100%);
  border-top: 1px solid #a5f3fc;
  border-bottom: 1px solid #a5f3fc;
}

.cta-section h2 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  margin-bottom: 1rem;
}

.cta-section p {
  color: var(--muted);
  font-size: 1.05rem;
  margin-bottom: 2.5rem;
  max-width: 540px;
  margin-left: auto;
  margin-right: auto;
}

/* =============================================
   PORTFOLIO PAGINA
   ============================================= */
.portfolio-header {
  padding: 8rem 0 3rem;
  text-align: center;
  background: linear-gradient(to bottom, rgba(14,116,144,0.06), transparent);
  border-bottom: 1px solid var(--border);
}

.portfolio-header h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
.portfolio-header p  { color: var(--muted); margin-top: 0.75rem; }

/* Category filter */
.filter-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  padding: 2.5rem 2rem;
}

.filter-btn {
  padding: 0.4rem 1.2rem;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--muted);
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 999px;
  cursor: pointer;
  transition: color var(--trans), border-color var(--trans), background var(--trans);
  letter-spacing: 0.04em;
}

.filter-btn:hover {
  color: var(--text);
  border-color: var(--muted);
  background: var(--bg2);
}

.filter-btn.active {
  color: var(--accent);
  border-color: var(--accent);
  background: rgba(14,116,144,0.08);
}

/* Foto grid */
.foto-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
  padding: 0 2rem 4rem;
  max-width: var(--max-width);
  margin: 0 auto;
}

.foto-item {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4/3;
  cursor: pointer;
  transition: opacity var(--trans);
}

.foto-item.hidden {
  display: none;
}

.foto-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 500ms var(--ease);
}

.foto-item:hover img { transform: scale(1.06); }

.foto-item-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.25rem;
  transition: background var(--trans);
}

.foto-item:hover .foto-item-overlay {
  background: linear-gradient(to top, rgba(0,0,0,0.72) 0%, transparent 55%);
}

.foto-item-title {
  color: var(--white);
  font-size: 0.9rem;
  font-weight: 600;
  transform: translateY(8px);
  opacity: 0;
  transition: transform var(--trans), opacity var(--trans);
}

.foto-item-cat {
  color: var(--accent);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  transform: translateY(8px);
  opacity: 0;
  transition: transform 280ms var(--ease) 40ms, opacity 280ms var(--ease) 40ms;
  margin-top: 0.2rem;
}

.foto-item:hover .foto-item-title,
.foto-item:hover .foto-item-cat {
  transform: translateY(0);
  opacity: 1;
}

/* Projecten-thumbnail: tekst altijd zichtbaar en groter */
.project-thumb .foto-item-overlay {
  background: linear-gradient(to top, rgba(0,0,0,0.78) 0%, rgba(0,0,0,0.15) 60%);
}
.project-thumb .foto-item-title {
  font-size: 1.15rem;
  font-weight: 700;
  opacity: 1;
  transform: none;
}
.project-thumb .foto-item-cat {
  font-size: 0.8rem;
  opacity: 1;
  transform: none;
}

/* =============================================
   SINGLE FOTO
   ============================================= */
.single-foto-wrap {
  padding-top: var(--header-h);
}

.single-foto-image {
  width: 100%;
  max-height: 80vh;
  overflow: hidden;
  background: #000;
  display: flex;
  align-items: center;
  justify-content: center;
}

.single-foto-image img {
  width: 100%;
  max-height: 80vh;
  object-fit: contain;
}

.single-foto-meta {
  max-width: 800px;
  margin: 3rem auto;
  padding: 0 2rem;
}

.single-foto-meta h1 {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  margin-bottom: 0.75rem;
}

.single-foto-meta .foto-cat-badge {
  display: inline-block;
  padding: 0.25rem 0.9rem;
  background: rgba(14,116,144,0.1);
  color: var(--accent);
  border: 1px solid rgba(14,116,144,0.3);
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 1.25rem;
}

.single-foto-meta .foto-beschrijving {
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.8;
}

.foto-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 800px;
  margin: 2rem auto 4rem;
  padding: 0 2rem;
  gap: 1rem;
}

.foto-nav a {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color var(--trans);
}

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

/* =============================================
   OVER MIJ PAGINA
   ============================================= */
.overmij-header {
  padding: 8rem 0 4rem;
  border-bottom: 1px solid var(--border);
}

.overmij-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 5rem;
  align-items: start;
  padding: 5rem 0;
}

.overmij-text h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 2rem;
}

.overmij-text p {
  color: var(--muted);
  line-height: 1.85;
  margin-bottom: 1.25rem;
  font-size: 1.05rem;
}

.overmij-image img {
  display: block;
  width: auto;
  max-width: 260px;
  height: auto;
  margin: 0 auto;
  border-radius: 2px;
}

.specs-list {
  margin-top: 2.5rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.spec-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1rem 1.25rem;
}

.spec-item strong {
  display: block;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 0.3rem;
}

.spec-item span {
  font-size: 0.9rem;
  color: var(--text);
}

/* =============================================
   CONTACT PAGINA
   ============================================= */
.contact-wrap {
  padding: 8rem 0 5rem;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 5rem;
  align-items: start;
}

.contact-info h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 1.5rem;
}

.contact-info p {
  color: var(--muted);
  line-height: 1.8;
  margin-bottom: 2rem;
}

.contact-detail {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.contact-detail a {
  color: var(--accent);
  font-weight: 500;
  transition: color var(--trans);
}

.contact-detail a:hover { color: var(--accent-h); }

/* Form */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-group label {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.form-group input,
.form-group textarea {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  padding: 0.8rem 1rem;
  transition: border-color var(--trans), background var(--trans);
  outline: none;
  resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  background: var(--surface2);
}

.form-group textarea { min-height: 140px; }

.form-feedback {
  font-size: 0.9rem;
  padding: 0.75rem 1rem;
  border-radius: 4px;
  display: none;
}

.form-feedback.success {
  display: block;
  background: #f0fdf4;
  border: 1px solid #bbf7d0;
  color: #166534;
}

.form-feedback.error {
  display: block;
  background: #fef2f2;
  border: 1px solid #fecaca;
  color: #991b1b;
}

/* =============================================
   FOOTER
   ============================================= */
.site-footer {
  background: var(--bg2);
  border-top: 1px solid var(--border);
  padding: 3rem 0;
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 2rem;
}

.footer-brand p {
  color: var(--muted);
  font-size: 0.85rem;
  margin-top: 0.25rem;
}

.footer-nav {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  justify-content: center;
}

.footer-nav a {
  font-size: 0.85rem;
  color: var(--muted);
  transition: color var(--trans);
}

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

.footer-legal {
  text-align: right;
  font-size: 0.8rem;
  color: var(--muted);
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.footer-legal a {
  color: var(--muted);
  transition: color var(--trans);
}

.footer-legal a:hover { color: var(--accent); }

/* =============================================
   ANIMATIES (Intersection Observer)
   ============================================= */
.fade-in {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 600ms var(--ease), transform 600ms var(--ease);
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger voor grid items */
.fade-in:nth-child(2) { transition-delay: 80ms; }
.fade-in:nth-child(3) { transition-delay: 160ms; }
.fade-in:nth-child(4) { transition-delay: 240ms; }
.fade-in:nth-child(5) { transition-delay: 320ms; }
.fade-in:nth-child(6) { transition-delay: 400ms; }

/* =============================================
   404
   ============================================= */
.page-404 {
  min-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 4rem 2rem;
}

.page-404 h1 {
  font-size: clamp(4rem, 12vw, 10rem);
  color: var(--surface2);
  line-height: 1;
  margin-bottom: 1rem;
}

.page-404 h2 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.page-404 p {
  color: var(--muted);
  margin-bottom: 2rem;
}

/* =============================================
   PROJECTEN PAGINA
   ============================================= */
.projecten-section { padding: 3rem 0 5rem; }

.project-tile {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  margin-bottom: 2rem;
  box-shadow: 0 2px 16px rgba(17,24,39,0.06);
}

.project-tile-header {
  padding: 2.5rem;
  background: linear-gradient(135deg, rgba(14,116,144,0.06) 0%, transparent 60%);
  border-bottom: 1px solid var(--border);
}

.project-tile-header h2 {
  font-size: clamp(1.4rem, 3vw, 2rem);
  margin: 0.75rem 0 0.5rem;
}

.project-intro {
  color: var(--muted);
  margin-top: 0.5rem;
  font-size: 0.95rem;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.project-tag {
  display: inline-block;
  padding: 0.2rem 0.8rem;
  background: rgba(14,116,144,0.1);
  color: var(--accent);
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.project-status {
  display: inline-block;
  padding: 0.2rem 0.8rem;
  background: rgba(22,163,74,0.1);
  color: #15803d;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.project-tile-body {
  padding: 2.5rem;
  line-height: 1.8;
}

.project-tile-body h1 { font-size: 1.6rem; margin: 2rem 0 0.75rem; }
.project-tile-body h2 { font-size: 1.3rem; margin: 2rem 0 0.6rem; border-bottom: 1px solid var(--border); padding-bottom: 0.4rem; }
.project-tile-body h3 { font-size: 1.05rem; margin: 1.5rem 0 0.5rem; color: var(--accent); }
.project-tile-body p  { margin-bottom: 1rem; }

.project-tile-body ul,
.project-tile-body ol {
  padding-left: 1.5rem;
  margin-bottom: 1rem;
}
.project-tile-body ul { list-style: disc; }
.project-tile-body ol { list-style: decimal; }
.project-tile-body li { margin-bottom: 0.3rem; }

.project-tile-body img {
  width: 100% !important;
  max-width: 100% !important;
  height: auto !important;
  border-radius: 6px;
  margin: 1rem 0;
  display: block;
}

.project-tile-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0;
  font-size: 0.9rem;
}
.project-tile-body th,
.project-tile-body td {
  padding: 0.5rem 1rem;
  border: 1px solid var(--border);
  text-align: left;
}
.project-tile-body th { background: var(--bg2); font-weight: 600; }

.project-tile-body a { color: var(--accent); text-decoration: underline; }
.project-tile-body a:hover { color: var(--accent-h); }

.project-no-thumb {
  width: 100%;
  height: 100%;
  background: var(--bg2);
  display: flex;
  align-items: center;
  justify-content: center;
}
.project-no-thumb .dashicons {
  font-size: 3rem;
  color: var(--border);
}

.project-tile-placeholder {
  border-style: dashed;
  background: var(--bg2);
  box-shadow: none;
}
.project-tile-placeholder .project-tile-header {
  background: transparent;
  border-bottom: none;
  text-align: center;
  padding: 3rem 2rem;
}
.project-tile-placeholder h2 { color: var(--muted); font-size: 1.2rem; }

/* =============================================
   PORTFOLIO WNF CATEGORIE-ICONEN
   ============================================= */
.portfolio-cats-section {
  padding: 2.5rem 2rem 0;
  max-width: var(--max-width);
  margin: 0 auto;
}

.portfolio-cats-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 1rem;
  margin-bottom: 2rem;
}

.portfolio-cat-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
  padding: 1.25rem 0.5rem 1rem;
  background: var(--surface);
  border: 2px solid var(--border);
  border-radius: 10px;
  cursor: pointer;
  transition: border-color var(--trans), background var(--trans), transform var(--trans);
  font-family: var(--font-sans);
}

.portfolio-cat-btn img {
  width: 55%;
  max-width: 52px;
  height: auto;
  object-fit: contain;
  transition: transform 400ms var(--ease);
}

.portfolio-cat-btn span {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.portfolio-cat-btn:hover {
  border-color: var(--accent);
  background: rgba(14,116,144,0.04);
  transform: translateY(-2px);
}

.portfolio-cat-btn:hover img { transform: scale(1.1); }

.portfolio-cat-btn.active {
  border-color: var(--accent);
  background: rgba(14,116,144,0.1);
}

.portfolio-cat-btn.active span { color: var(--accent); }

/* =============================================
   LIGHTBOX
   ============================================= */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.93);
  z-index: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 280ms var(--ease);
}

.lightbox.open {
  opacity: 1;
  pointer-events: all;
}

.lightbox-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  max-width: 90vw;
  max-height: 90vh;
}

#lightbox-img {
  max-width: 90vw;
  max-height: 80vh;
  width: auto;
  height: auto;
  object-fit: contain;
  border-radius: 3px;
  display: block;
}

.lightbox-caption {
  color: rgba(255,255,255,0.7);
  font-size: 0.9rem;
  font-family: var(--font-sans);
  text-align: center;
}

.lightbox-close {
  position: fixed;
  top: 1.25rem;
  right: 1.5rem;
  background: rgba(255,255,255,0.12);
  border: none;
  color: #fff;
  font-size: 1.75rem;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--trans);
  z-index: 501;
  line-height: 1;
}

.lightbox-close:hover { background: rgba(255,255,255,0.25); }

.lightbox-prev,
.lightbox-next {
  position: fixed;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255,255,255,0.12);
  border: none;
  color: #fff;
  font-size: 1.5rem;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--trans);
  z-index: 501;
  line-height: 1;
}

.lightbox-prev { left: 1.25rem; }
.lightbox-next { right: 1.25rem; }

.lightbox-prev:hover,
.lightbox-next:hover { background: rgba(255,255,255,0.28); }

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 1100px) {
  .preview-grid {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto;
  }
  .preview-item:nth-child(1) {
    grid-column: 1 / 3;
    grid-row: auto;
    aspect-ratio: 16/7;
  }
  .categories-grid { grid-template-columns: repeat(3, 1fr); }
  .portfolio-cats-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 900px) {
  .intro-grid,
  .overmij-grid,
  .contact-grid { grid-template-columns: 1fr; gap: 3rem; }
  .intro-image { order: -1; }
  .intro-image img { height: 360px; }
  .footer-inner { grid-template-columns: 1fr; text-align: center; }
  .footer-legal { text-align: center; }
  .foto-grid { grid-template-columns: repeat(2, 1fr); }
  .project-tile-header,
  .project-tile-body { padding: 1.75rem; }
}

@media (max-width: 700px) {
  .nav-toggle { display: flex; }

  .site-nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(248,249,251,0.98);
    backdrop-filter: blur(16px);
    display: flex;
    align-items: center;
    justify-content: center;
    transform: translateX(100%);
    transition: transform var(--trans);
    z-index: 99;
  }

  .site-nav.open { transform: translateX(0); }

  .nav-list {
    flex-direction: column;
    gap: 0.5rem;
    text-align: center;
  }

  .nav-list li a {
    font-size: 1.4rem;
    padding: 0.75rem 2rem;
  }

  .nav-list li a.nav-cta {
    margin-top: 1rem;
    padding: 0.6rem 2rem;
  }

  .foto-grid { grid-template-columns: 1fr; }
  .categories-grid { grid-template-columns: 1fr; }
  .specs-list { grid-template-columns: 1fr; }
  .preview-grid { grid-template-columns: 1fr; }
  .preview-item:nth-child(1) { grid-column: 1; aspect-ratio: 16/9; }
}