/* ==========================================================================
   Ruud Molenaar Installatietechniek stylesheet
   Palette: steel navy / zinc gray / copper accent
   ========================================================================== */

:root {
  --clr-navy: #17242f;
  --clr-navy-2: #1f3140;
  --clr-steel: #35495c;
  --clr-zinc: #8fa0ab;
  --clr-zinc-light: #dde4e8;
  --clr-copper: #c25e1e;
  --clr-copper-dark: #a34d15;
  --clr-copper-light: #e8813d;
  --clr-bg: #f5f7f8;
  --clr-white: #ffffff;
  --clr-text: #22303a;
  --clr-text-soft: #4c5d6a;

  --font-stack: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

  --radius: 6px;
  --shadow: 0 2px 12px rgba(23, 36, 47, 0.10);
  --shadow-lg: 0 6px 28px rgba(23, 36, 47, 0.16);

  --cut: 2.5rem; /* diagonal section cut */
  --container: 72rem;
}

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

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

body {
  margin: 0;
  font-family: var(--font-stack);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--clr-text);
  background: var(--clr-bg);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }

a { color: var(--clr-copper-dark); }
a:hover { color: var(--clr-copper); }

:focus-visible {
  outline: 3px solid var(--clr-copper);
  outline-offset: 2px;
}

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* --------------------------------------------------------------------------
   Typography
   -------------------------------------------------------------------------- */

h1, h2, h3 {
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.015em;
  color: var(--clr-navy);
  margin: 0 0 0.75rem;
}

h1 { font-size: clamp(2rem, 5vw, 3.25rem); }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.25rem); }
h3 { font-size: 1.25rem; }

.kicker {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--clr-copper);
  margin-bottom: 0.5rem;
}

.lead { font-size: 1.1875rem; color: var(--clr-text-soft); }

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.85rem 1.5rem;
  border-radius: var(--radius);
  font-weight: 700;
  font-size: 1rem;
  text-decoration: none;
  border: 2px solid transparent;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.btn svg { flex: 0 0 auto; }

.btn-primary {
  background: var(--clr-copper);
  color: #fff;
}
.btn-primary:hover { background: var(--clr-copper-dark); color: #fff; }

.btn-outline {
  background: transparent;
  color: var(--clr-navy);
  border-color: var(--clr-navy);
}
.btn-outline:hover { background: var(--clr-navy); color: #fff; }

.btn-light {
  background: #fff;
  color: var(--clr-navy);
}
.btn-light:hover { background: var(--clr-zinc-light); color: var(--clr-navy); }

.btn-whatsapp {
  background: #1fa855;
  color: #fff;
}
.btn-whatsapp:hover { background: #178a45; color: #fff; }

/* --------------------------------------------------------------------------
   Header / nav
   -------------------------------------------------------------------------- */

.site-header {
  background: var(--clr-navy);
  color: #fff;
  position: sticky;
  top: 0;
  z-index: 50;
  box-shadow: var(--shadow);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.7rem 1.25rem;
  max-width: var(--container);
  margin: 0 auto;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  color: #fff;
  min-width: 0;
}

.brand-mark {
  flex: 0 0 auto;
  width: 40px;
  height: 40px;
}

.brand-text { line-height: 1.15; min-width: 0; }
.brand-name {
  display: block;
  font-weight: 800;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
  white-space: nowrap;
}
.brand-sub {
  display: block;
  font-size: 0.72rem;
  color: var(--clr-zinc);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.nav-toggle {
  display: none;
  background: none;
  border: 2px solid var(--clr-steel);
  border-radius: var(--radius);
  color: #fff;
  padding: 0.45rem 0.6rem;
  cursor: pointer;
}

.site-nav ul {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav a {
  display: block;
  padding: 0.5rem 0.8rem;
  color: #e6ecf0;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--radius);
}

.site-nav a:hover { background: var(--clr-navy-2); color: #fff; }
.site-nav a[aria-current="page"] { color: var(--clr-copper-light); }

.nav-cta {
  background: var(--clr-copper);
  color: #fff !important;
  margin-left: 0.5rem;
}
.nav-cta:hover { background: var(--clr-copper-dark) !important; }

@media (max-width: 800px) {
  .nav-toggle { display: block; }
  .site-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--clr-navy);
    border-top: 1px solid var(--clr-steel);
    padding: 0.5rem 1.25rem 1rem;
  }
  .site-nav.open { display: block; }
  .site-nav ul { flex-direction: column; align-items: stretch; gap: 0.15rem; }
  .site-nav a { padding: 0.75rem 0.8rem; }
  .nav-cta { margin-left: 0; text-align: center; }
  .brand-name { font-size: 0.95rem; }
}

/* --------------------------------------------------------------------------
   Hero (diagonal zinc cut = signature element)
   -------------------------------------------------------------------------- */

.hero {
  background: linear-gradient(135deg, var(--clr-navy) 0%, var(--clr-navy-2) 55%, var(--clr-steel) 100%);
  color: #fff;
  padding: 4.5rem 0 6rem;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cut)), 0 100%);
  position: relative;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(135deg, transparent 0 44px, rgba(255,255,255,0.03) 44px 48px);
  pointer-events: none;
}

.hero .container { position: relative; z-index: 1; }

.hero h1 { color: #fff; max-width: 38rem; }
.hero .lead { color: var(--clr-zinc-light); max-width: 34rem; }

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin: 1.4rem 0;
  padding: 0;
  list-style: none;
}

.hero-badges li {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  background: rgba(255, 255, 255, 0.09);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 999px;
  padding: 0.35rem 0.9rem;
  font-size: 0.875rem;
  font-weight: 600;
}

.hero-badges svg { color: var(--clr-copper-light); }

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.75rem;
}

/* Page hero (subpages) */
.page-hero {
  background: linear-gradient(135deg, var(--clr-navy) 0%, var(--clr-steel) 100%);
  color: #fff;
  padding: 3rem 0 4rem;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cut)), 0 100%);
}
.page-hero h1 { color: #fff; }
.page-hero .lead { color: var(--clr-zinc-light); max-width: 44rem; }
.page-hero .breadcrumbs { margin-bottom: 1rem; }

.breadcrumbs {
  font-size: 0.85rem;
  color: var(--clr-zinc);
}
.breadcrumbs ol {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin: 0;
  padding: 0;
}
.breadcrumbs li + li::before { content: "/"; margin-right: 0.35rem; color: var(--clr-steel); }
.breadcrumbs a { color: var(--clr-zinc-light); text-decoration: none; }
.breadcrumbs a:hover { color: #fff; }

/* --------------------------------------------------------------------------
   Sections
   -------------------------------------------------------------------------- */

.section { padding: 3.5rem 0; }
.section-tight { padding: 2.5rem 0; }

.section-dark {
  background: var(--clr-navy);
  color: #fff;
  clip-path: polygon(0 var(--cut), 100% 0, 100% calc(100% - var(--cut)), 0 100%);
  padding: 5rem 0;
  margin: 1.5rem 0;
}
.section-dark h2, .section-dark h3 { color: #fff; }
.section-dark p { color: var(--clr-zinc-light); }

.section-head { max-width: 44rem; margin-bottom: 2rem; }

/* --------------------------------------------------------------------------
   Cards
   -------------------------------------------------------------------------- */

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
  gap: 1.25rem;
}

.card {
  background: var(--clr-white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.75rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  border-top: 4px solid var(--clr-copper);
}

.card h3 { margin: 0; }
.card p { margin: 0; color: var(--clr-text-soft); }
.card ul { margin: 0; padding-left: 1.15rem; color: var(--clr-text-soft); }
.card .card-link {
  margin-top: auto;
  padding-top: 0.75rem;
  font-weight: 700;
  text-decoration: none;
}

.card-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius);
  background: var(--clr-zinc-light);
  color: var(--clr-navy);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.4rem;
}

/* Trust / USP row */
.usp-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr));
  gap: 1.5rem;
}

.usp {
  display: flex;
  gap: 0.9rem;
  align-items: flex-start;
}
.usp svg { flex: 0 0 auto; color: var(--clr-copper-light); margin-top: 0.2rem; }
.usp h3 { font-size: 1.05rem; margin-bottom: 0.25rem; }
.usp p { margin: 0; font-size: 0.95rem; }

/* Steps (werkwijze) */
.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr));
  gap: 1.25rem;
  counter-reset: step;
}

.steps li {
  counter-increment: step;
  background: var(--clr-white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.5rem 1.25rem 1.25rem;
  position: relative;
}

.steps li::before {
  content: counter(step);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.1rem;
  height: 2.1rem;
  border-radius: 50%;
  background: var(--clr-copper);
  color: #fff;
  font-weight: 800;
  margin-bottom: 0.6rem;
}

.steps h3 { font-size: 1.05rem; }
.steps p { margin: 0; font-size: 0.95rem; color: var(--clr-text-soft); }

/* --------------------------------------------------------------------------
   FAQ
   -------------------------------------------------------------------------- */

.faq-list { max-width: 46rem; }

.faq-list details {
  background: var(--clr-white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  margin-bottom: 0.75rem;
  overflow: hidden;
}

.faq-list summary {
  cursor: pointer;
  font-weight: 700;
  padding: 1rem 1.25rem;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.faq-list summary::-webkit-details-marker { display: none; }

.faq-list summary::after {
  content: "+";
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--clr-copper);
  flex: 0 0 auto;
}

.faq-list details[open] summary::after { content: "\2212"; }

.faq-list details > div {
  padding: 0 1.25rem 1.1rem;
  color: var(--clr-text-soft);
}
.faq-list details > div p { margin: 0 0 0.5rem; }

/* --------------------------------------------------------------------------
   Contact / NAP
   -------------------------------------------------------------------------- */

.contact-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 2rem;
  align-items: start;
}

@media (max-width: 800px) {
  .contact-grid { grid-template-columns: 1fr; }
}

.nap-block {
  background: var(--clr-white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.75rem 1.5rem;
}

.nap-block dl { margin: 0; }
.nap-block dt {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--clr-zinc);
  margin-top: 1rem;
}
.nap-block dt:first-child { margin-top: 0; }
.nap-block dd { margin: 0.15rem 0 0; font-size: 1.05rem; font-weight: 600; }
.nap-block dd a { text-decoration: none; }

.contact-cta-stack {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.contact-cta-stack .btn { justify-content: center; }

.map-link {
  display: block;
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  text-decoration: none;
}
.map-link img { width: 100%; }
.map-link span {
  position: absolute;
  bottom: 0.75rem;
  left: 0.75rem;
  background: var(--clr-navy);
  color: #fff;
  font-size: 0.85rem;
  font-weight: 700;
  padding: 0.4rem 0.9rem;
  border-radius: var(--radius);
}

/* CTA band */
.cta-band {
  background: linear-gradient(135deg, var(--clr-copper-dark), var(--clr-copper));
  color: #fff;
  clip-path: polygon(0 var(--cut), 100% 0, 100% 100%, 0 100%);
  padding: 4.5rem 0 3.5rem;
  margin-top: 1.5rem;
}
.cta-band h2 { color: #fff; }
.cta-band p { color: #fde8d8; max-width: 38rem; }
.cta-band .hero-ctas { margin-top: 1.25rem; }
.cta-band .btn-outline { border-color: #fff; color: #fff; }
.cta-band .btn-outline:hover { background: #fff; color: var(--clr-copper-dark); }

/* --------------------------------------------------------------------------
   Prose (legal / long text pages)
   -------------------------------------------------------------------------- */

.prose { max-width: 46rem; }
.prose h2 { margin-top: 2.25rem; font-size: 1.45rem; }
.prose h3 { margin-top: 1.5rem; }
.prose ul { color: var(--clr-text-soft); }

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */

.site-footer {
  background: var(--clr-navy);
  color: var(--clr-zinc-light);
  padding: 3.5rem 0 1.5rem;
  margin-top: 3rem;
  clip-path: polygon(0 var(--cut), 100% 0, 100% 100%, 0 100%);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr));
  gap: 2rem;
  padding-top: 1.5rem;
}

.site-footer h3 {
  color: #fff;
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.75rem;
}

.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { margin-bottom: 0.45rem; }
.site-footer a { color: var(--clr-zinc-light); text-decoration: none; }
.site-footer a:hover { color: var(--clr-copper-light); }

.footer-bottom {
  border-top: 1px solid var(--clr-steel);
  margin-top: 2.5rem;
  padding-top: 1.25rem;
  font-size: 0.85rem;
  color: var(--clr-zinc);
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: space-between;
}

/* --------------------------------------------------------------------------
   Utility
   -------------------------------------------------------------------------- */

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--clr-copper);
  color: #fff;
  padding: 0.6rem 1rem;
  z-index: 100;
  border-radius: 0 0 var(--radius) 0;
}
.skip-link:focus { left: 0; }

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

@media (max-width: 640px) {
  .hero { padding: 3rem 0 4.5rem; }
  .hero-ctas .btn { width: 100%; justify-content: center; }
  .cta-band .hero-ctas .btn { width: 100%; }
}