/* KOZO Kozijnen - shared styles */
:root {
  --kozo-blue: #10499D;
  --kozo-blue-dark: #0B3877;
  --kozo-blue-light: #E8F0FB;
  --kozo-accent: #F5B400;
  --text: #1A1F2C;
  --text-muted: #5B6478;
  --bg: #FFFFFF;
  --bg-soft: #F6F8FB;
  --border: #E4E8EF;
  --radius: 14px;
  --radius-lg: 22px;
  --shadow-sm: 0 2px 8px rgba(16, 73, 157, 0.06);
  --shadow-md: 0 8px 28px rgba(16, 73, 157, 0.10);
  --shadow-lg: 0 20px 60px rgba(16, 73, 157, 0.18);
  --container: 1180px;
  --transition: 200ms cubic-bezier(.4,0,.2,1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--kozo-blue); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--kozo-blue-dark); }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }
ul { list-style: none; }

.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.container-narrow { max-width: 820px; margin: 0 auto; padding: 0 24px; }

h1, h2, h3, h4 { font-weight: 700; line-height: 1.25; letter-spacing: -0.01em; color: var(--text); }
h1 { font-size: clamp(2rem, 5vw, 3.4rem); font-weight: 800; }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.05rem; }

.eyebrow {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--kozo-blue);
  margin-bottom: 14px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 26px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: all var(--transition);
  cursor: pointer;
  white-space: nowrap;
  border: none;
}
.btn-primary { background: var(--kozo-accent); color: #1A1A1A; box-shadow: 0 4px 14px rgba(245, 180, 0, 0.35); }
.btn-primary:hover { background: #ffc933; transform: translateY(-2px); box-shadow: 0 8px 20px rgba(245, 180, 0, 0.45); color: #1A1A1A; }
.btn-secondary { background: var(--kozo-blue); color: #fff; }
.btn-secondary:hover { background: var(--kozo-blue-dark); transform: translateY(-2px); color: #fff; }
.btn-outline { background: transparent; color: var(--kozo-blue); border: 2px solid var(--kozo-blue); }
.btn-outline:hover { background: var(--kozo-blue); color: #fff; }
.btn-whatsapp { background: #25D366; color: #fff; }
.btn-whatsapp:hover { background: #1ebe5d; color: #fff; transform: translateY(-2px); }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--kozo-blue);
  backdrop-filter: saturate(180%) blur(8px);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 78px;
  gap: 24px;
}
.logo img { height: 36px; width: auto; }
.main-nav ul { display: flex; gap: 8px; align-items: center; }
.main-nav a {
  color: #fff;
  padding: 10px 16px;
  border-radius: 8px;
  font-weight: 500;
  font-size: 0.95rem;
  transition: background var(--transition);
}
.main-nav a:hover, .main-nav a.active {
  background: rgba(255,255,255,0.12);
  color: #fff;
}
.header-cta { display: flex; gap: 12px; align-items: center; }
.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 8px;
  background: rgba(255,255,255,0.12);
  color: #fff;
  align-items: center;
  justify-content: center;
}
.nav-toggle svg { width: 22px; height: 22px; }

/* Hero (homepage) */
.hero {
  position: relative;
  min-height: 720px;
  display: flex;
  align-items: center;
  color: #fff;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(11, 56, 119, 0.78) 0%, rgba(16, 73, 157, 0.55) 100%),
              url('../images/KOZO%20foto%201.jpg') center/cover no-repeat;
  z-index: -1;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 64px;
  padding: 96px 0;
  align-items: center;
}
.hero h1 { margin-bottom: 24px; text-shadow: 0 2px 24px rgba(0,0,0,0.18); color: #fff; }
.hero h1 span { color: var(--kozo-accent); display: block; }
.hero-usps { margin: 28px 0 36px; display: grid; gap: 14px; }
.hero-usps li { display: flex; align-items: center; gap: 14px; font-size: 1.1rem; }
.check-icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--kozo-accent);
  color: var(--kozo-blue-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
}
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }

/* Page hero (inner pages) */
.page-hero {
  position: relative;
  padding: 96px 0 64px;
  background: linear-gradient(135deg, var(--kozo-blue) 0%, var(--kozo-blue-dark) 100%);
  color: #fff;
  text-align: center;
  overflow: hidden;
}
.page-hero.with-image::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(11,56,119,0.85) 0%, rgba(16,73,157,0.65) 100%),
              var(--hero-bg) center/cover no-repeat;
  z-index: 0;
}
.page-hero > .container { position: relative; z-index: 1; }
.page-hero h1 { color: #fff; margin-bottom: 16px; }
.page-hero p { font-size: 1.15rem; max-width: 680px; margin: 0 auto; opacity: 0.92; }
.page-hero .eyebrow { color: var(--kozo-accent); }
.breadcrumbs {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.75);
  margin-bottom: 18px;
}
.breadcrumbs a { color: rgba(255,255,255,0.85); }
.breadcrumbs a:hover { color: #fff; }
.breadcrumbs span { margin: 0 8px; opacity: 0.6; }

/* Quote / form card */
.quote-card {
  background: #fff;
  color: var(--text);
  padding: 36px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}
.quote-card .eyebrow {
  background: var(--kozo-accent);
  color: var(--kozo-blue-dark);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 18px;
}
.quote-card h3 { font-size: 1.45rem; margin-bottom: 8px; }
.quote-card p.muted { color: var(--text-muted); font-size: 0.95rem; margin-bottom: 22px; }
.form-row { margin-bottom: 14px; }
.form-row label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--text);
}
.form-row input, .form-row select, .form-row textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1.5px solid var(--border);
  border-radius: 10px;
  font: inherit;
  background: #fff;
  transition: border-color var(--transition);
}
.form-row input:focus, .form-row select:focus, .form-row textarea:focus {
  outline: none;
  border-color: var(--kozo-blue);
}
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.quote-card .btn { width: 100%; justify-content: center; margin-top: 8px; }
.quote-card .legal { font-size: 0.78rem; color: var(--text-muted); text-align: center; margin-top: 12px; }

/* Section base */
section { padding: 96px 0; }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 56px; }
.section-head p { color: var(--text-muted); font-size: 1.1rem; margin-top: 12px; }

/* USP bar */
.usp-bar { background: var(--kozo-blue); padding: 48px 0; color: #fff; }
.usp-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  text-align: center;
}
.usp-item { display: flex; flex-direction: column; align-items: center; gap: 14px; }
.usp-item img { width: 56px; height: 56px; object-fit: contain; }
.usp-item h3 { font-size: 1.1rem; font-weight: 600; color: #fff; }

/* Cards / products / project grid */
.products { background: var(--bg-soft); }
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}
.card {
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
  display: flex;
  flex-direction: column;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.card .img-wrap {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--kozo-blue-light);
}
.card img { width: 100%; height: 100%; object-fit: cover; transition: transform 400ms ease; }
.card:hover img { transform: scale(1.05); }
.card .body { padding: 22px 22px 24px; flex: 1; display: flex; flex-direction: column; }
.card h3 { font-size: 1.15rem; margin-bottom: 6px; }
.card p { color: var(--text-muted); font-size: 0.95rem; }
.card .meta {
  display: flex;
  gap: 12px;
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 10px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}
.card .card-link {
  margin-top: auto;
  padding-top: 16px;
  font-weight: 600;
  color: var(--kozo-blue);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.card .card-link::after { content: '→'; transition: transform var(--transition); }
.card:hover .card-link::after { transform: translateX(4px); }

.center-cta { text-align: center; margin-top: 48px; }

/* Split sections */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.split.reverse > :first-child { order: 2; }
.split img {
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  aspect-ratio: 4/5;
  object-fit: cover;
}
.split .text p { color: var(--text-muted); margin-top: 16px; font-size: 1.05rem; }
.split .text strong { color: var(--text); }

/* Steps */
.steps { background: var(--kozo-blue); color: #fff; }
.steps .section-head .eyebrow { color: var(--kozo-accent); }
.steps .section-head h2 { color: #fff; }
.steps .section-head p { color: rgba(255,255,255,0.85); }
.steps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.step {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  padding: 36px 28px;
  border-radius: var(--radius);
  backdrop-filter: blur(6px);
}
.step-num {
  display: inline-flex;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--kozo-accent);
  color: var(--kozo-blue-dark);
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.2rem;
  margin-bottom: 18px;
}
.step h3 { color: #fff; margin-bottom: 10px; }
.step p { color: rgba(255,255,255,0.82); font-size: 0.98rem; }
.steps-cta {
  text-align: center;
  margin-top: 48px;
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}

/* Why us */
.why-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.why-card {
  padding: 36px 28px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all var(--transition);
}
.why-card:hover {
  border-color: var(--kozo-blue);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}
.why-card img { width: 52px; height: 52px; object-fit: contain; margin-bottom: 18px; }
.why-card h3 { margin-bottom: 8px; }
.why-card p { color: var(--text-muted); font-size: 0.98rem; }

/* Gallery */
.gallery { background: var(--bg-soft); }
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.gallery-grid img {
  width: 100%;
  aspect-ratio: 1/1;
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition);
}
.gallery-grid img:hover { transform: scale(1.03); }

/* FAQ */
.faq { background: var(--bg-soft); }
.faq-list { max-width: 820px; margin: 0 auto; }
.faq-item {
  background: #fff;
  border-radius: var(--radius);
  margin-bottom: 14px;
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}
.faq-q {
  width: 100%;
  text-align: left;
  padding: 22px 28px;
  font-weight: 600;
  font-size: 1.05rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.faq-q::after {
  content: '+';
  font-size: 1.8rem;
  font-weight: 300;
  color: var(--kozo-blue);
  transition: transform var(--transition);
  line-height: 1;
}
.faq-item.open .faq-q::after { transform: rotate(45deg); }
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 300ms ease, padding 300ms ease;
  color: var(--text-muted);
  padding: 0 28px;
}
.faq-item.open .faq-a { max-height: 600px; padding: 0 28px 24px; }

/* Testimonial */
.testimonial { background: linear-gradient(135deg, var(--kozo-blue) 0%, var(--kozo-blue-dark) 100%); color: #fff; }
.testimonial-card { max-width: 820px; margin: 0 auto; text-align: center; }
.testimonial-stars { width: 140px; margin: 0 auto 24px; }
.testimonial blockquote {
  font-size: 1.4rem;
  line-height: 1.5;
  font-weight: 500;
  font-style: italic;
  margin-bottom: 28px;
}
.testimonial-author { font-weight: 600; }
.testimonial-author small { display: block; font-weight: 400; opacity: 0.8; margin-top: 4px; }

/* CTA banner */
.cta-banner { background: var(--kozo-accent); color: var(--kozo-blue-dark); padding: 64px 0; }
.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}
.cta-inner h2 { max-width: 700px; }
.cta-inner .btn-secondary { background: var(--kozo-blue-dark); }
.cta-inner .btn-secondary:hover { background: #000; }

/* Article / blog content */
.article { padding: 80px 0; }
.article-meta {
  display: flex;
  gap: 16px;
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 24px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}
.article-hero-image {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  border-radius: var(--radius-lg);
  margin: 32px auto 48px;
  box-shadow: var(--shadow-md);
}
.prose { font-size: 1.08rem; color: var(--text); line-height: 1.75; }
.prose p { margin-bottom: 1.2em; color: var(--text); }
.prose h2 { margin: 2em 0 0.6em; font-size: 1.7rem; }
.prose h3 { margin: 1.6em 0 0.5em; font-size: 1.25rem; }
.prose ul { margin: 1em 0 1.2em 1.2em; }
.prose ul li {
  list-style: none;
  position: relative;
  padding-left: 28px;
  margin-bottom: 0.6em;
}
.prose ul li::before {
  content: '✓';
  position: absolute;
  left: 0;
  top: 2px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--kozo-accent);
  color: var(--kozo-blue-dark);
  font-size: 0.75rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
}
.prose blockquote {
  border-left: 4px solid var(--kozo-accent);
  padding: 12px 0 12px 20px;
  font-style: italic;
  color: var(--text-muted);
  margin: 1.5em 0;
}
.prose a { font-weight: 600; border-bottom: 1.5px solid var(--kozo-blue-light); }
.prose a:hover { border-color: var(--kozo-blue); }

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--kozo-blue);
  font-weight: 600;
  margin-bottom: 24px;
}
.back-link::before { content: '←'; transition: transform var(--transition); }
.back-link:hover::before { transform: translateX(-4px); }

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 48px;
  align-items: start;
}
.contact-info { display: grid; gap: 28px; }
.contact-info .info-block {
  padding: 24px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #fff;
}
.contact-info h3 {
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--kozo-blue);
  margin-bottom: 8px;
}
.contact-info p, .contact-info a { color: var(--text); font-size: 1rem; line-height: 1.7; }

/* Bedankt page */
.success-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 56px 40px;
  max-width: 560px;
  margin: 0 auto;
  box-shadow: var(--shadow-md);
  text-align: center;
}
.success-icon {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: #25D366;
  color: #fff;
  font-size: 2.6rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
}

/* Footer */
.site-footer { background: #0A2C5E; color: rgba(255,255,255,0.78); padding: 64px 0 24px; }
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
.footer-grid h4 {
  color: #fff;
  margin-bottom: 18px;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.footer-grid img { height: 32px; margin-bottom: 16px; }
.footer-grid p, .footer-grid a {
  color: rgba(255,255,255,0.72);
  font-size: 0.95rem;
  line-height: 1.8;
}
.footer-grid a:hover { color: var(--kozo-accent); }
.footer-grid ul li { margin-bottom: 6px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.12);
  padding-top: 24px;
  text-align: center;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.55);
}
.footer-bottom a { color: rgba(255,255,255,0.7); }

/* Floating WhatsApp */
.wa-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 60px;
  height: 60px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.4);
  z-index: 90;
  transition: transform var(--transition);
}
.wa-float:hover { transform: scale(1.08); }
.wa-float svg { width: 32px; height: 32px; }

/* Responsive */
@media (max-width: 980px) {
  .hero-inner, .split, .footer-grid, .contact-grid { grid-template-columns: 1fr; gap: 48px; }
  .split.reverse > :first-child { order: 0; }
  .usp-grid, .steps-grid, .why-grid { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .main-nav { display: none; }
  .header-cta .btn { display: none; }
  .nav-toggle { display: flex; }
  .main-nav.open {
    display: block;
    position: absolute;
    top: 78px;
    left: 0;
    right: 0;
    background: var(--kozo-blue);
    padding: 16px;
  }
  .main-nav.open ul { flex-direction: column; align-items: stretch; }
  .main-nav.open a { display: block; }
  section { padding: 72px 0; }
  .form-grid { grid-template-columns: 1fr; }
  .hero { min-height: auto; }
  .page-hero { padding: 64px 0 48px; }
}
@media (max-width: 560px) {
  .gallery-grid { grid-template-columns: 1fr 1fr; }
  .quote-card { padding: 24px; }
  h1 { font-size: 2.1rem; }
  .success-card { padding: 40px 24px; }
}