/* ============================================
   ALPINE ONDERHOUD & SERVICE — Stylesheet
   B2B Professional Design
   ============================================ */

/* --- CSS Variables --- */
:root {
  --primary:       #1a3a5c;
  --primary-dark:  #0e2238;
  --primary-light: #2e6da4;
  --accent:        #c8a951;
  --accent-dark:   #a88930;
  --dark:          #0e1f2e;
  --text:          #1c2b3a;
  --text-muted:    #5a6b7b;
  --light:         #f4f7fa;
  --lighter:       #eaf1f8;
  --white:         #ffffff;
  --border:        #d8e4ee;
  --shadow-sm:     0 2px 8px rgba(14,34,56,0.08);
  --shadow-md:     0 6px 24px rgba(14,34,56,0.12);
  --shadow-lg:     0 16px 48px rgba(14,34,56,0.16);
  --radius:        8px;
  --radius-lg:     16px;
  --transition:    0.3s ease;
  --max-width:     1200px;
  --header-height: 80px;
}

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

/* --- Typography --- */
h1, h2, h3, h4, h5 {
  font-weight: 700;
  line-height: 1.2;
  color: var(--primary);
}

h1 { font-size: clamp(2rem, 5vw, 3.2rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.5rem); }
h4 { font-size: 1.1rem; }

p { color: var(--text-muted); margin-bottom: 1rem; }
p:last-child { margin-bottom: 0; }

/* --- Utilities --- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section { padding: 5rem 0; }
.section--light { background: var(--light); }
.section--dark  { background: var(--primary); color: var(--white); }
.section--dark h2, .section--dark h3, .section--dark h4 { color: var(--white); }
.section--dark p { color: rgba(255,255,255,0.8); }

.section-label {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.section-header {
  max-width: 640px;
  margin-bottom: 3.5rem;
}

.section-header.centered {
  margin: 0 auto 3.5rem;
  text-align: center;
}

.section-header p {
  font-size: 1.05rem;
  margin-top: 0.75rem;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 2rem;
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent);
  color: var(--primary-dark);
  border-color: var(--accent);
}
.btn-primary:hover {
  background: var(--accent-dark);
  border-color: var(--accent-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(200,169,81,0.35);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,0.6);
}
.btn-outline:hover {
  background: rgba(255,255,255,0.1);
  border-color: var(--white);
}

.btn-outline-dark {
  background: transparent;
  color: var(--primary);
  border-color: var(--primary);
}
.btn-outline-dark:hover {
  background: var(--primary);
  color: var(--white);
}

.btn-group {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  align-items: center;
}

/* --- Navigation --- */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--header-height);
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow var(--transition);
}

.navbar.scrolled { box-shadow: var(--shadow-md); }

.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.navbar__logo img { height: 52px; width: auto; }

.navbar__nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav-link {
  padding: 0.5rem 0.9rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text);
  border-radius: 6px;
  transition: all var(--transition);
  position: relative;
}

.nav-link:hover, .nav-link.active {
  color: var(--primary);
  background: var(--lighter);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 50%;
  transform: translateX(-50%);
  width: 20px; height: 2px;
  background: var(--accent);
  border-radius: 2px;
}

.navbar__cta { margin-left: 1.5rem; }

.navbar__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 6px;
  background: none;
  border: none;
}

.navbar__hamburger span {
  display: block;
  width: 24px; height: 2px;
  background: var(--primary);
  border-radius: 2px;
  transition: all var(--transition);
}

.navbar__hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.navbar__hamburger.open span:nth-child(2) { opacity: 0; }
.navbar__hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* Mobile Nav */
.navbar__mobile {
  display: none;
  position: fixed;
  top: var(--header-height);
  left: 0; right: 0;
  background: var(--white);
  border-bottom: 1px solid var(--border);
  padding: 1.5rem;
  box-shadow: var(--shadow-md);
  flex-direction: column;
  gap: 0.5rem;
  z-index: 999;
}

.navbar__mobile.open { display: flex; }

.navbar__mobile .nav-link {
  padding: 0.75rem 1rem;
  font-size: 1rem;
}

.navbar__mobile .btn {
  margin-top: 0.5rem;
  justify-content: center;
}

/* --- Hero Section --- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background: var(--primary-dark);
}

.hero__bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(14,34,56,0.92) 0%, rgba(14,34,56,0.75) 50%, rgba(14,34,56,0.88) 100%),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='1440' height='900' viewBox='0 0 1440 900'%3E%3Crect width='1440' height='900' fill='%231a3a5c'/%3E%3Cpolygon points='0,900 400,200 800,900' fill='%232e6da4' opacity='0.3'/%3E%3Cpolygon points='400,900 800,300 1200,900' fill='%231a3a5c' opacity='0.5'/%3E%3Cpolygon points='700,900 1100,150 1440,500 1440,900' fill='%230e2238' opacity='0.6'/%3E%3Ccircle cx='1200' cy='150' r='200' fill='%23c8a951' opacity='0.06'/%3E%3Crect x='0' y='800' width='1440' height='100' fill='%230e1f2e' opacity='0.4'/%3E%3C/svg%3E");
  background-size: cover;
  background-position: center;
}

.hero__particles {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle, rgba(200,169,81,0.15) 1px, transparent 1px),
    radial-gradient(circle, rgba(255,255,255,0.05) 1px, transparent 1px);
  background-size: 60px 60px, 30px 30px;
  background-position: 0 0, 15px 15px;
}

.hero__content {
  position: relative;
  z-index: 2;
  padding: calc(var(--header-height) + 3rem) 0 4rem;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(200,169,81,0.15);
  border: 1px solid rgba(200,169,81,0.35);
  border-radius: 50px;
  padding: 0.4rem 1rem;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.5rem;
}

.hero__badge::before {
  content: '';
  width: 6px; height: 6px;
  background: var(--accent);
  border-radius: 50%;
}

.hero h1 {
  color: var(--white);
  margin-bottom: 1.5rem;
  max-width: 720px;
}

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

.hero__lead {
  font-size: 1.15rem;
  color: rgba(255,255,255,0.8);
  max-width: 560px;
  margin-bottom: 2.5rem;
}

.hero__stats {
  display: flex;
  gap: 3rem;
  margin-top: 4rem;
  padding-top: 2.5rem;
  border-top: 1px solid rgba(255,255,255,0.1);
  flex-wrap: wrap;
}

.hero__stat-value {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--accent);
  display: block;
  line-height: 1;
}

.hero__stat-label {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.65);
  margin-top: 0.4rem;
}

.hero__scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: rgba(255,255,255,0.4);
  font-size: 0.75rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  animation: bounce 2s infinite;
}

.hero__scroll::after {
  content: '';
  width: 1px; height: 40px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.4), transparent);
}

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

/* --- Clients/Doelgroepen Bar --- */
.clients-bar {
  background: var(--white);
  border-bottom: 1px solid var(--border);
  padding: 1.25rem 0;
}

.clients-bar__inner {
  display: flex;
  align-items: center;
  gap: 2rem;
  overflow: hidden;
  flex-wrap: wrap;
  justify-content: center;
}

.clients-bar__label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  white-space: nowrap;
  flex-shrink: 0;
}

.clients-bar__items {
  display: flex;
  gap: 2.5rem;
  flex-wrap: wrap;
  justify-content: center;
}

.clients-bar__item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--primary);
}

.clients-bar__item svg {
  width: 18px; height: 18px;
  color: var(--accent);
}

/* --- USP / Features Grid --- */
.usps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 2rem;
}

.usp-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: all var(--transition);
}

.usp-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary-light);
}

.usp-card__icon {
  width: 52px; height: 52px;
  background: var(--lighter);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}

.usp-card__icon svg {
  width: 26px; height: 26px;
  color: var(--primary-light);
}

.usp-card h4 { margin-bottom: 0.5rem; font-size: 1.05rem; }

/* --- Services Grid --- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.service-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.service-card__image {
  height: 200px;
  position: relative;
  overflow: hidden;
}

.service-card__image svg {
  width: 100%; height: 100%;
}

.service-card__body {
  padding: 1.75rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.service-card__tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.6rem;
}

.service-card h3 { margin-bottom: 0.75rem; }

.service-card__features {
  margin-top: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.service-card__features li {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.service-card__features li::before {
  content: '';
  width: 6px; height: 6px;
  background: var(--accent);
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 0.55rem;
}

.service-card__link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--primary-light);
  margin-top: auto;
  padding-top: 1.25rem;
  transition: gap var(--transition);
}

.service-card__link:hover { gap: 0.6rem; }

/* --- Doelgroepen (Target Audience) --- */
.doelgroepen-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.doelgroep-item {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: all var(--transition);
}

.doelgroep-item:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(200,169,81,0.4);
}

.doelgroep-item__icon {
  width: 48px; height: 48px;
  background: rgba(200,169,81,0.15);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
}

.doelgroep-item__icon svg { width: 24px; height: 24px; color: var(--accent); }
.doelgroep-item h3 { font-size: 1.1rem; margin-bottom: 0.5rem; }

/* --- Two Column Layout --- */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}

.two-col--reverse .two-col__visual { order: -1; }

.two-col__visual {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.visual-block {
  width: 100%;
  aspect-ratio: 4/3;
  position: relative;
}

.check-list {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  margin: 1.5rem 0;
}

.check-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.95rem;
}

.check-list li::before {
  content: '';
  flex-shrink: 0;
  width: 20px; height: 20px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Ccircle cx='10' cy='10' r='10' fill='%231a3a5c'/%3E%3Cpath d='M6 10l3 3 5-5' stroke='%23c8a951' stroke-width='2' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/contain no-repeat;
  margin-top: 2px;
}

/* --- Projects / Portfolio --- */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.project-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  transition: all var(--transition);
  background: var(--white);
}

.project-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.project-card__image {
  height: 220px;
  position: relative;
  overflow: hidden;
}

.project-card__image svg { width: 100%; height: 100%; }

.project-card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(14,34,56,0.85) 0%, transparent 60%);
  display: flex;
  align-items: flex-end;
  padding: 1.25rem;
}

.project-card__category {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--accent);
  background: rgba(14,34,56,0.7);
  padding: 0.3rem 0.75rem;
  border-radius: 50px;
}

.project-card__body { padding: 1.5rem; }

.project-card h3 { font-size: 1.05rem; margin-bottom: 0.4rem; }

.project-card__meta {
  display: flex;
  gap: 1.25rem;
  margin-top: 0.75rem;
}

.project-card__meta span {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* --- Testimonials --- */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.testimonial-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  position: relative;
}

.testimonial-card::before {
  content: '\201C';
  font-size: 5rem;
  line-height: 1;
  color: var(--lighter);
  position: absolute;
  top: 1rem; left: 1.5rem;
  font-family: Georgia, serif;
}

.testimonial-card__text {
  position: relative;
  z-index: 1;
  font-size: 0.95rem;
  font-style: italic;
  margin-bottom: 1.5rem;
}

.testimonial-card__author {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.testimonial-card__avatar {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: var(--white);
  font-size: 0.9rem;
  flex-shrink: 0;
}

.testimonial-card__name { font-weight: 600; font-size: 0.9rem; }
.testimonial-card__role { font-size: 0.8rem; color: var(--text-muted); }

.stars {
  display: flex;
  gap: 2px;
  margin-bottom: 1rem;
  color: var(--accent);
  font-size: 1rem;
}

/* --- CTA Section --- */
.cta-section {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
  position: relative;
  overflow: hidden;
  text-align: center;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle at 20% 50%, rgba(200,169,81,0.1) 0%, transparent 50%),
                    radial-gradient(circle at 80% 50%, rgba(46,109,164,0.2) 0%, transparent 50%);
}

.cta-section .container { position: relative; z-index: 1; }
.cta-section h2 { color: var(--white); margin-bottom: 1rem; }
.cta-section p { font-size: 1.1rem; max-width: 560px; margin: 0 auto 2.5rem; color: rgba(255,255,255,0.8); }

.cta-contacts {
  display: flex;
  justify-content: center;
  gap: 3rem;
  margin-top: 3rem;
  padding-top: 3rem;
  border-top: 1px solid rgba(255,255,255,0.1);
  flex-wrap: wrap;
}

.cta-contact-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--white);
}

.cta-contact-item svg { width: 22px; height: 22px; color: var(--accent); }
.cta-contact-item span { font-size: 1.05rem; font-weight: 500; }

/* --- Contact Page --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 4rem;
  align-items: start;
}

.contact-info { display: flex; flex-direction: column; gap: 2rem; }

.contact-info-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.contact-info-item__icon {
  width: 44px; height: 44px;
  background: var(--lighter);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-info-item__icon svg { width: 20px; height: 20px; color: var(--primary-light); }
.contact-info-item h4 { font-size: 0.85rem; text-transform: uppercase; letter-spacing: 1px; color: var(--text-muted); margin-bottom: 0.25rem; }
.contact-info-item p { font-size: 0.95rem; color: var(--text); margin: 0; }

.contact-form {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-sm);
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

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

.form-group.full { grid-column: 1 / -1; }

.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: 0.75rem 1rem;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-family: inherit;
  color: var(--text);
  background: var(--light);
  transition: border-color var(--transition);
  width: 100%;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-light);
  background: var(--white);
}

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

/* --- About Page --- */
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 2rem;
}

.team-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition);
}

.team-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.team-card__photo {
  height: 260px;
  position: relative;
}

.team-card__photo svg { width: 100%; height: 100%; }

.team-card__body { padding: 1.5rem; text-align: center; }
.team-card__name { font-size: 1.05rem; margin-bottom: 0.25rem; }
.team-card__role { font-size: 0.85rem; color: var(--accent); font-weight: 600; }

/* --- Certifications --- */
.certs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1.5rem;
}

.cert-item {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem 1.5rem;
  text-align: center;
  transition: all var(--transition);
}

.cert-item:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-sm);
}

.cert-item svg {
  width: 48px; height: 48px;
  color: var(--accent);
  margin: 0 auto 1rem;
}

.cert-item h4 { font-size: 0.95rem; }
.cert-item p  { font-size: 0.8rem; margin: 0; }

/* --- Process Steps --- */
.process-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
  position: relative;
}

.process-step {
  text-align: center;
  padding: 2rem 1.5rem;
  position: relative;
}

.process-step__number {
  width: 56px; height: 56px;
  background: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--accent);
  margin: 0 auto 1.25rem;
}

/* --- Page Hero (Inner Pages) --- */
.page-hero {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
  padding: calc(var(--header-height) + 4rem) 0 4rem;
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle at 70% 50%, rgba(200,169,81,0.08) 0%, transparent 60%);
}

.page-hero .container { position: relative; z-index: 1; }
.page-hero h1 { color: var(--white); margin-bottom: 0.75rem; }
.page-hero p  { font-size: 1.1rem; color: rgba(255,255,255,0.8); max-width: 560px; }

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.5);
  margin-bottom: 1.5rem;
}

.breadcrumb a  { color: rgba(255,255,255,0.7); }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb span { color: rgba(255,255,255,0.3); }

/* --- Footer --- */
.footer {
  background: var(--dark);
  color: var(--white);
  padding: 5rem 0 2rem;
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 4rem;
}

.footer__brand p { color: rgba(255,255,255,0.6); font-size: 0.9rem; margin-top: 1.25rem; }

.footer__social {
  display: flex;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.footer__social a {
  width: 38px; height: 38px;
  background: rgba(255,255,255,0.08);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition);
}

.footer__social a:hover { background: var(--accent); }
.footer__social svg { width: 18px; height: 18px; color: var(--white); }

.footer__col h5 {
  color: var(--white);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 1.25rem;
}

.footer__col ul { display: flex; flex-direction: column; gap: 0.6rem; }

.footer__col ul li a {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.6);
  transition: color var(--transition);
}

.footer__col ul li a:hover { color: var(--accent); }

.footer__contact-item {
  display: flex;
  gap: 0.6rem;
  align-items: flex-start;
  margin-bottom: 0.75rem;
  font-size: 0.9rem;
  color: rgba(255,255,255,0.6);
}

.footer__contact-item svg { width: 16px; height: 16px; color: var(--accent); flex-shrink: 0; margin-top: 3px; }

.footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.4);
}

.footer__bottom a { color: rgba(255,255,255,0.5); }
.footer__bottom a:hover { color: var(--accent); }

/* --- Scroll to Top --- */
.scroll-top {
  position: fixed;
  bottom: 2rem; right: 2rem;
  width: 46px; height: 46px;
  background: var(--primary);
  color: var(--white);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border: none;
  box-shadow: var(--shadow-md);
  transition: all var(--transition);
  opacity: 0; visibility: hidden;
  z-index: 100;
}

.scroll-top.visible { opacity: 1; visibility: visible; }
.scroll-top:hover { background: var(--accent); transform: translateY(-3px); }
.scroll-top svg { width: 20px; height: 20px; }

/* --- Animations --- */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* Stagger delays */
.fade-in:nth-child(2) { transition-delay: 0.1s; }
.fade-in:nth-child(3) { transition-delay: 0.2s; }
.fade-in:nth-child(4) { transition-delay: 0.3s; }

/* --- Divider --- */
.divider {
  width: 60px; height: 4px;
  background: var(--accent);
  border-radius: 2px;
  margin: 1rem 0;
}

.divider.centered { margin: 1rem auto; }

/* --- Responsive --- */
@media (max-width: 1024px) {
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .two-col { grid-template-columns: 1fr; gap: 3rem; }
  .two-col--reverse .two-col__visual { order: 0; }
  .doelgroepen-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  :root { --header-height: 68px; }

  .section { padding: 3.5rem 0; }

  .navbar__nav, .navbar__cta { display: none; }
  .navbar__hamburger { display: flex; }

  .hero__stats { gap: 2rem; }

  .services-grid { grid-template-columns: 1fr; }
  .projects-grid { grid-template-columns: 1fr; }

  .doelgroepen-grid { grid-template-columns: 1fr; }

  .contact-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .form-grid { grid-template-columns: 1fr; }

  .footer__grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
  .footer__brand { grid-column: 1 / -1; }

  .cta-contacts { gap: 1.5rem; }

  .team-grid { grid-template-columns: repeat(2, 1fr); }

  .hero__scroll { display: none; }
}

@media (max-width: 560px) {
  .footer__grid { grid-template-columns: 1fr; }
  .team-grid { grid-template-columns: 1fr; }
  .certs-grid { grid-template-columns: repeat(2, 1fr); }
  .clients-bar__items { gap: 1.25rem; }

  .btn-group { flex-direction: column; align-items: flex-start; }
  .btn-group .btn { width: 100%; justify-content: center; }
}