/* ===================================================
   Lumera Holding B.V. — Sci-Fi Cinematic Experience
   Futuristische dark theme met glassmorphism, neon
   glows, particle-effecten en holografische UI
   =================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@200;300;400;500;600;700&family=Orbitron:wght@400;500;600;700;800;900&display=swap');

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

:root {
  --black:          #000000;
  --void:           #020208;
  --deep-space:     #050510;
  --nebula:         #0a0a1a;

  --white:          #FFFFFF;
  --white-90:       rgba(255,255,255,0.90);
  --white-80:       rgba(255,255,255,0.80);
  --white-70:       rgba(255,255,255,0.70);
  --white-50:       rgba(255,255,255,0.50);
  --white-35:       rgba(255,255,255,0.35);
  --white-20:       rgba(255,255,255,0.20);
  --white-15:       rgba(255,255,255,0.15);
  --white-10:       rgba(255,255,255,0.10);
  --white-08:       rgba(255,255,255,0.08);
  --white-05:       rgba(255,255,255,0.05);

  --cyan:           #00f5ff;
  --cyan-soft:      #00d4e0;
  --cyan-glow:      rgba(0,245,255,0.4);
  --cyan-dim:       rgba(0,245,255,0.15);

  --purple:         #a855f7;
  --purple-glow:    rgba(168,85,247,0.4);
  --purple-dim:     rgba(168,85,247,0.15);

  --blue:           #3b82f6;
  --blue-glow:      rgba(59,130,246,0.4);

  --neon-pink:      #ff006e;
  --neon-pink-glow: rgba(255,0,110,0.3);

  --glass-bg:       rgba(255,255,255,0.03);
  --glass-border:   rgba(255,255,255,0.08);
  --glass-hover:    rgba(255,255,255,0.06);

  --header-h:       64px;
  --ease:           cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring:    cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-out:       cubic-bezier(0.0, 0.0, 0.2, 1);
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 100px;
}

body {
  font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--white-80);
  background: var(--void);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 50% at 50% 0%, rgba(0,245,255,0.03) 0%, transparent 50%),
    radial-gradient(ellipse 60% 40% at 80% 50%, rgba(168,85,247,0.02) 0%, transparent 50%),
    radial-gradient(ellipse 60% 40% at 20% 80%, rgba(59,130,246,0.02) 0%, transparent 50%);
  pointer-events: none;
  z-index: 0;
}

::selection {
  background: var(--cyan-dim);
  color: var(--cyan);
}

a { color: var(--white); text-decoration: none; }
img, svg { display: block; max-width: 100%; }

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

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  border: 0;
}

#particle-canvas {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

/* === Navigation === */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding: max(0.75rem, env(safe-area-inset-top)) 24px 16px;
  transition: all 0.5s var(--ease);
}

.navbar.scrolled {
  background: rgba(2,2,8,0.8);
  backdrop-filter: blur(20px) saturate(1.5);
  border-bottom: 1px solid var(--glass-border);
  padding: 12px 24px;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 4px;
}

.nav-links a {
  position: relative;
  display: inline-block;
  padding: 10px 18px;
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--white-50);
  transition: all 0.3s var(--ease);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 50%;
  width: 0;
  height: 1px;
  background: var(--cyan);
  box-shadow: 0 0 8px var(--cyan-glow);
  transition: all 0.3s var(--ease);
  transform: translateX(-50%);
}

.nav-links a:hover {
  color: var(--cyan);
  text-shadow: 0 0 20px var(--cyan-glow);
}

.nav-links a:hover::after {
  width: 60%;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 10px;
  z-index: 1001;
}

.menu-toggle span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--white);
  margin: 5px 0;
  border-radius: 1px;
  transition: all 0.3s var(--ease);
}

/* === Hero === */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 20px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}

.hero-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 50% 40% at 50% 45%, var(--cyan-glow) 0%, transparent 60%),
    radial-gradient(ellipse 40% 30% at 30% 60%, var(--purple-glow) 0%, transparent 50%),
    radial-gradient(ellipse 40% 30% at 70% 30%, var(--blue-glow) 0%, transparent 50%);
  opacity: 0.5;
  animation: nebula-drift 20s ease-in-out infinite;
}

.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, rgba(0,0,0,0.3) 0%, var(--void) 80%);
}

@keyframes nebula-drift {
  0%, 100% { transform: scale(1) rotate(0deg); }
  33% { transform: scale(1.05) rotate(1deg); }
  66% { transform: scale(0.98) rotate(-1deg); }
}

.hero-grid-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background-image:
    linear-gradient(var(--white-05) 1px, transparent 1px),
    linear-gradient(90deg, var(--white-05) 1px, transparent 1px);
  background-size: 80px 80px;
  opacity: 0.15;
  mask-image: radial-gradient(ellipse 60% 50% at 50% 50%, black 20%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 60% 50% at 50% 50%, black 20%, transparent 70%);
  animation: grid-pulse 8s ease-in-out infinite;
}

@keyframes grid-pulse {
  0%, 100% { opacity: 0.1; }
  50% { opacity: 0.2; }
}

.hero-content {
  position: relative;
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 48px;
  max-width: 900px;
  width: 100%;
}

.hero-logo-wrapper {
  position: relative;
}

.hero-logo-glow {
  position: absolute;
  inset: -50%;
  border-radius: 50%;
  background: radial-gradient(circle, var(--cyan-glow) 0%, var(--purple-glow) 40%, transparent 70%);
  filter: blur(100px);
  opacity: 0.6;
  animation: glow-pulse 6s ease-in-out infinite;
}

.hero-logo-mark {
  position: relative;
  width: 280px;
  height: 280px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-logo-mark svg {
  width: 100%;
  height: 100%;
  filter: blur(15px);
}

.hero-logo-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter:
    drop-shadow(0 0 30px var(--cyan-glow))
    drop-shadow(0 0 60px var(--purple-glow))
    drop-shadow(0 0 100px var(--blue-glow));
  animation: logo-float 8s ease-in-out infinite;
}

@keyframes glow-pulse {
  0%, 100% { opacity: 0.4; transform: scale(1); }
  50% { opacity: 0.7; transform: scale(1.08); }
}

@keyframes logo-float {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  25% { transform: translateY(-6px) rotate(0.5deg); }
  50% { transform: translateY(-10px) rotate(0deg); }
  75% { transform: translateY(-6px) rotate(-0.5deg); }
}

.hero-tagline {
  overflow: hidden;
  text-align: center;
}

.hero-tagline span {
  display: inline-block;
  font-family: 'Orbitron', monospace;
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--white-70);
  text-shadow: 0 0 30px var(--cyan-glow);
}

.metallic {
  background: linear-gradient(135deg, var(--cyan) 0%, var(--white) 25%, var(--purple) 50%, var(--white) 75%, var(--cyan) 100%);
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: shimmer 6s linear infinite;
}

@keyframes shimmer {
  0% { background-position: 0% center; }
  100% { background-position: 200% center; }
}

.hero-scroll {
  position: absolute;
  bottom: max(1.5rem, env(safe-area-inset-bottom));
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  z-index: 10;
}

.hero-scroll span {
  font-family: 'Orbitron', monospace;
  font-size: 0.55rem;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--cyan-soft);
  text-shadow: 0 0 15px var(--cyan-glow);
}

.hero-scroll-line {
  width: 1px;
  height: 50px;
  background: linear-gradient(to bottom, var(--cyan), transparent);
  box-shadow: 0 0 8px var(--cyan-glow);
  animation: scroll-pulse 2s ease-in-out infinite;
}

@keyframes scroll-pulse {
  0%, 100% { opacity: 0.5; height: 50px; }
  50% { opacity: 1; height: 60px; }
}

/* === Sections === */
.section {
  position: relative;
  min-height: 100svh;
  width: 100%;
  overflow: hidden;
  padding: 100px 0;
  display: flex;
  align-items: center;
  z-index: 1;
}

.section-inner {
  width: 100%;
}

.section-eyebrow {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 24px;
}

.section-eyebrow-line {
  width: 40px;
  height: 1px;
  background: linear-gradient(90deg, var(--cyan), transparent);
  box-shadow: 0 0 8px var(--cyan-glow);
}

.section-eyebrow span {
  font-family: 'Orbitron', monospace;
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--cyan-soft);
  text-shadow: 0 0 15px var(--cyan-glow);
}

/* === Split Layout (Waarden) === */
.split-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.split-sticky {
  position: sticky;
  top: 140px;
}

.split-sticky h2 {
  font-family: 'Orbitron', monospace;
  font-size: 2.4rem;
  font-weight: 300;
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--white);
  margin-bottom: 28px;
  text-shadow: 0 0 40px var(--cyan-glow);
}

.split-sticky p {
  font-size: 1.05rem;
  font-weight: 300;
  line-height: 1.9;
  color: var(--white-70);
  max-width: 440px;
}

.split-items {
  display: flex;
  flex-direction: column;
  gap: 48px;
  padding-top: 24px;
}

.principle-item {
  position: relative;
  padding: 28px 32px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  backdrop-filter: blur(12px);
  transition: all 0.4s var(--ease);
}

.principle-item:hover {
  background: var(--glass-hover);
  border-color: var(--cyan-dim);
  box-shadow:
    0 0 30px var(--cyan-dim),
    inset 0 0 30px rgba(0,245,255,0.02);
  transform: translateX(4px);
}

.principle-number {
  position: absolute;
  right: 24px;
  top: -20px;
  font-family: 'Orbitron', monospace;
  font-size: 100px;
  font-weight: 800;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px var(--white-10);
  pointer-events: none;
  z-index: 0;
  transition: all 0.4s var(--ease);
}

.principle-item:hover .principle-number {
  -webkit-text-stroke: 1px var(--cyan-dim);
  text-shadow: 0 0 40px var(--cyan-glow);
}

.principle-border {
  position: absolute;
  left: 0;
  top: 20px;
  width: 3px;
  height: 40px;
  background: linear-gradient(to bottom, var(--cyan), var(--purple));
  border-radius: 2px;
  box-shadow: 0 0 12px var(--cyan-glow);
}

.principle-content {
  position: relative;
  z-index: 1;
  padding-left: 20px;
}

.principle-content h3 {
  font-family: 'Orbitron', monospace;
  font-size: 1.2rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  color: var(--white);
  margin-bottom: 12px;
}

.principle-content p {
  font-size: 0.9rem;
  font-weight: 300;
  line-height: 1.8;
  color: var(--white-70);
}

/* === Participaties === */
.participatie-grid {
  display: flex;
  flex-direction: row;
  gap: 28px;
  flex-wrap: wrap;
}

.participatie-card {
  flex: 1;
  min-width: 300px;
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 32px;
  background: var(--glass-bg);
  backdrop-filter: blur(16px) saturate(1.2);
  transition: all 0.5s var(--ease);
  position: relative;
  overflow: hidden;
}

.participatie-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 20px;
  background: linear-gradient(135deg, var(--cyan-dim) 0%, transparent 40%, var(--purple-dim) 100%);
  opacity: 0;
  transition: opacity 0.5s var(--ease);
}

.participatie-card:hover {
  border-color: var(--cyan-dim);
  transform: translateY(-4px);
  box-shadow:
    0 20px 60px rgba(0,0,0,0.4),
    0 0 40px var(--cyan-dim);
}

.participatie-card:hover::before {
  opacity: 1;
}

.participatie-card > * {
  position: relative;
  z-index: 1;
}

.participatie-card-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
}

.participatie-card-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all 0.3s var(--ease);
}

.participatie-card:hover .participatie-card-icon {
  border-color: var(--cyan-dim);
  box-shadow: 0 0 20px var(--cyan-dim);
}

.participatie-card-meta {
  font-family: 'Orbitron', monospace;
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cyan-soft);
  margin-bottom: 4px;
}

.participatie-card h3 {
  font-family: 'Orbitron', monospace;
  font-size: 1.4rem;
  font-weight: 500;
  color: var(--white);
}

.participatie-card p {
  font-size: 0.9rem;
  font-weight: 300;
  line-height: 1.8;
  color: var(--white-70);
  margin-bottom: 20px;
}

.participatie-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.participatie-tag {
  font-family: 'Orbitron', monospace;
  font-size: 0.55rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  padding: 6px 14px;
  border-radius: 100px;
  background: var(--glass-bg);
  color: var(--cyan-soft);
  border: 1px solid var(--cyan-dim);
  transition: all 0.3s var(--ease);
}

.participatie-card:hover .participatie-tag {
  background: var(--cyan-dim);
  box-shadow: 0 0 12px var(--cyan-glow);
}

.participatie-status {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--white-50);
  margin-top: 16px;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 12px var(--cyan-glow), 0 0 24px var(--cyan-glow);
  animation: status-pulse 2s ease-in-out infinite;
}

@keyframes status-pulse {
  0%, 100% { box-shadow: 0 0 8px var(--cyan-glow), 0 0 16px var(--cyan-glow); }
  50% { box-shadow: 0 0 16px var(--cyan-glow), 0 0 32px var(--cyan-glow); }
}

/* === Visie === */
.visie-quote {
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
  position: relative;
}

.visie-quote::before {
  content: '';
  position: absolute;
  top: -40px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
  box-shadow: 0 0 20px var(--cyan-glow);
}

.visie-quote p {
  font-size: 1.2rem;
  font-weight: 300;
  line-height: 2;
  color: var(--white-70);
  font-style: italic;
}

/* === Contact === */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
}

.contact-info h2 {
  font-family: 'Orbitron', monospace;
  font-size: 1.8rem;
  font-weight: 300;
  color: var(--white);
  margin-bottom: 20px;
  text-shadow: 0 0 30px var(--cyan-glow);
}

.contact-info p {
  color: var(--white-50);
  font-weight: 300;
  margin-bottom: 36px;
}

.contact-item {
  display: flex;
  gap: 14px;
  margin-bottom: 24px;
  align-items: flex-start;
}

.contact-item-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--cyan-soft);
  transition: all 0.3s var(--ease);
}

.contact-item:hover .contact-item-icon {
  border-color: var(--cyan-dim);
  box-shadow: 0 0 16px var(--cyan-dim);
}

.contact-item-text h4 {
  font-family: 'Orbitron', monospace;
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--cyan-soft);
  margin-bottom: 4px;
}

.contact-item-text p {
  font-size: 0.9rem;
  color: var(--white-50);
  margin-bottom: 0;
}

.contact-form {
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 36px;
  background: var(--glass-bg);
  backdrop-filter: blur(16px) saturate(1.2);
  position: relative;
  overflow: hidden;
}

.contact-form::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
  opacity: 0.5;
}

.contact-form h3 {
  font-family: 'Orbitron', monospace;
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  color: var(--white);
  margin-bottom: 28px;
}

.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  font-family: 'Orbitron', monospace;
  font-size: 0.6rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--cyan-soft);
  margin-bottom: 8px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 14px 16px;
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 300;
  color: var(--white-80);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 10px;
  transition: all 0.3s var(--ease);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--cyan-dim);
  background: var(--glass-hover);
  box-shadow: 0 0 20px var(--cyan-dim), inset 0 0 20px rgba(0,245,255,0.02);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.form-submit {
  width: 100%;
  padding: 15px;
  font-family: 'Orbitron', monospace;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--void);
  background: linear-gradient(135deg, var(--cyan) 0%, var(--cyan-soft) 100%);
  border: none;
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.3s var(--ease);
  position: relative;
  overflow: hidden;
}

.form-submit::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent 0%, rgba(255,255,255,0.2) 50%, transparent 100%);
  transform: translateX(-100%);
  transition: transform 0.6s var(--ease);
}

.form-submit:hover {
  box-shadow: 0 0 30px var(--cyan-glow), 0 8px 32px rgba(0,0,0,0.3);
  transform: translateY(-2px);
}

.form-submit:hover::before {
  transform: translateX(100%);
}

/* === Footer === */
.footer {
  border-top: 1px solid var(--glass-border);
  padding: 60px 28px 44px;
  position: relative;
  z-index: 1;
}

.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan-dim), transparent);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.footer-brand p:first-child {
  font-family: 'Orbitron', monospace;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--cyan-soft);
  text-shadow: 0 0 20px var(--cyan-glow);
}

.footer-brand p:last-child {
  font-size: 0.6rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--white-35);
  margin-top: 4px;
}

.footer-info {
  font-style: normal;
}

.footer-info p {
  font-size: 0.8rem;
  font-weight: 300;
  line-height: 1.8;
  color: var(--white-50);
}

.footer-contact {
  text-align: right;
}

.footer-contact a {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 300;
  color: var(--cyan-soft);
  border-bottom: 1px solid var(--cyan-dim);
  padding-bottom: 4px;
  transition: all 0.3s var(--ease);
  margin-bottom: 16px;
}

.footer-contact a:hover {
  color: var(--cyan);
  border-color: var(--cyan);
  text-shadow: 0 0 15px var(--cyan-glow);
}

.footer-contact p {
  font-size: 0.65rem;
  color: var(--white-35);
}

/* === Animations === */
.fade-up {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 1s var(--ease), transform 1s var(--ease);
}

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

.fade-in {
  opacity: 0;
  transition: opacity 1.2s var(--ease);
}

.fade-in.visible {
  opacity: 1;
}

/* === Responsive === */
@media (max-width: 900px) {
  .split-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .split-sticky {
    position: static;
    margin-bottom: 20px;
  }

  .split-sticky h2 {
    font-size: 1.8rem;
  }

  .split-items {
    gap: 32px;
    padding-top: 0;
  }

  .principle-number {
    font-size: 70px;
    right: 16px;
    top: -10px;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .hero-logo-mark {
    width: 220px;
    height: 220px;
  }

  .principle-content h3 {
    font-size: 1.1rem;
  }
}

@media (max-width: 768px) {
  .navbar {
    justify-content: space-between;
    padding: 12px 16px;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 60px;
    right: 12px;
    flex-direction: column;
    gap: 0;
    background: rgba(5,5,16,0.95);
    backdrop-filter: blur(24px) saturate(1.5);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 12px;
    min-width: 220px;
  }

  .nav-links.show {
    display: flex;
  }

  .nav-links a {
    padding: 14px 18px;
    border-radius: 10px;
  }

  .nav-links a:hover {
    background: var(--glass-hover);
  }

  .menu-toggle {
    display: block;
  }

  .hero-logo-mark {
    width: 180px;
    height: 180px;
  }

  .hero-tagline span {
    font-size: 0.5rem;
    letter-spacing: 0.2em;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
    text-align: center;
  }

  .footer-contact {
    text-align: center;
  }

  .split-sticky h2 {
    font-size: 1.4rem;
  }

  .section {
    padding: 70px 0;
  }

  .participatie-card {
    min-width: 100%;
  }

  .visie-quote p {
    font-size: 1rem;
  }
}