/* Emiel Derycke - HVAC & badkamerrenovatie | moderne herbouw
   Palet: navy #0d2a43 / teal #16a2ac / amber #f4a51c / licht #f6f9fb */

:root {
  --navy: #0d2a43;
  --navy-2: #123a5c;
  --teal: #16a2ac;
  --teal-d: #0f7e86;
  --amber: #f4a51c;
  --ink: #1a2733;
  --muted: #5c6b78;
  --line: #e5ebf0;
  --bg: #ffffff;
  --bg-soft: #f6f9fb;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(13, 42, 67, .09);
  --shadow-lg: 0 22px 50px rgba(13, 42, 67, .16);
  --wrap: 1180px;
  --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--teal-d); text-decoration: none; }
a:hover { color: var(--navy); }
h1, h2, h3 { color: var(--navy); line-height: 1.2; margin: 0 0 .5em; font-weight: 800; letter-spacing: -.02em; }
h2 { font-size: clamp(1.6rem, 3.2vw, 2.4rem); }
p { margin: 0 0 1rem; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 22px; }
.section { padding: 84px 0; }
.section--soft { background: var(--bg-soft); }
.eyebrow {
  display: inline-block; font-size: .8rem; font-weight: 700; letter-spacing: .14em;
  text-transform: uppercase; color: var(--teal-d); margin-bottom: 12px;
}
.lead { font-size: 1.12rem; color: var(--muted); max-width: 62ch; }
.center { text-align: center; }
.center .lead { margin-left: auto; margin-right: auto; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 9px; font-weight: 700;
  padding: 14px 26px; border-radius: 999px; border: 2px solid transparent;
  cursor: pointer; transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
  font-size: .98rem;
}
.btn:hover { transform: translateY(-2px); }
.btn--primary { background: var(--amber); color: #3d2600; box-shadow: 0 8px 20px rgba(244,165,28,.35); }
.btn--primary:hover { color: #3d2600; box-shadow: 0 12px 26px rgba(244,165,28,.45); }
.btn--ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,.55); }
.btn--ghost:hover { color: var(--navy); background: #fff; border-color: #fff; }
.btn--dark { background: var(--navy); color: #fff; }
.btn--dark:hover { color: #fff; background: var(--navy-2); }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.92);
  backdrop-filter: blur(10px); border-bottom: 1px solid var(--line);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 76px; }
.brand { display: flex; align-items: center; gap: 12px; font-weight: 800; color: var(--navy); font-size: 1.05rem; }
.brand img { height: 42px; width: auto; }
.nav-links { display: flex; align-items: center; gap: 26px; list-style: none; margin: 0; padding: 0; }
.nav-links a { color: var(--ink); font-weight: 600; font-size: .96rem; }
.nav-links a:hover { color: var(--teal-d); }
.nav-cta { display: inline-flex; }
.nav-toggle { display: none; background: none; border: 0; cursor: pointer; padding: 8px; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--navy); margin: 5px 0; transition: .2s; }

/* Hero */
.hero {
  position: relative; color: #fff; overflow: hidden;
  background: linear-gradient(180deg, rgba(9,28,46,.82), rgba(9,28,46,.72)), url("../img/hero.jpg") center/cover no-repeat;
}
.hero__inner { padding: 108px 0 116px; max-width: 720px; }
.hero h1 { color: #fff; font-size: clamp(2.2rem, 5.4vw, 3.6rem); margin-bottom: 18px; }
.hero p { font-size: 1.18rem; color: rgba(255,255,255,.9); max-width: 56ch; }
.hero .btns { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 30px; }
.hero__badge {
  display: inline-flex; align-items: center; gap: 8px; background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.25); padding: 7px 15px; border-radius: 999px;
  font-size: .85rem; font-weight: 600; margin-bottom: 22px;
}
.hero__badge .dot { width: 8px; height: 8px; border-radius: 50%; background: #38d39f; }

/* USP strip */
.usps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-top: -46px; position: relative; z-index: 5; }
.usp {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 22px; box-shadow: var(--shadow); text-align: center;
}
.usp .ic { color: var(--teal); margin: 0 auto 10px; width: 30px; height: 30px; }
.usp strong { display: block; color: var(--navy); font-size: 1.02rem; }
.usp span { font-size: .88rem; color: var(--muted); }

/* Service cards */
.grid { display: grid; gap: 22px; }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }
.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 30px 26px; transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); border-color: transparent; }
.card .ic {
  width: 52px; height: 52px; border-radius: 12px; display: grid; place-items: center;
  background: rgba(22,162,172,.12); color: var(--teal-d); margin-bottom: 18px;
}
.card .ic svg { width: 26px; height: 26px; }
.card h3 { font-size: 1.18rem; margin-bottom: 8px; }
.card p { color: var(--muted); font-size: .95rem; margin-bottom: 0; }
.card a.more { display: inline-block; margin-top: 14px; font-weight: 700; font-size: .92rem; }

/* Feature split (badkamer highlight) */
.split { display: grid; grid-template-columns: 1.05fr 1fr; gap: 54px; align-items: center; }
.split img { border-radius: var(--radius); box-shadow: var(--shadow-lg); }
.checklist { list-style: none; padding: 0; margin: 22px 0; }
.checklist li { display: flex; gap: 12px; align-items: flex-start; margin-bottom: 12px; color: var(--ink); }
.checklist svg { flex: none; width: 22px; height: 22px; color: var(--teal); margin-top: 2px; }

/* Gallery */
.gallery { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.gallery a { border-radius: 12px; overflow: hidden; display: block; aspect-ratio: 1/1; }
.gallery img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.gallery a:hover img { transform: scale(1.07); }

/* Brands */
.brands { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; }
.brands span {
  background: #fff; border: 1px solid var(--line); border-radius: 999px;
  padding: 10px 22px; font-weight: 700; color: var(--navy-2); font-size: .95rem;
}

/* CTA band */
.cta-band {
  background: linear-gradient(120deg, var(--navy), var(--navy-2));
  color: #fff; border-radius: 20px; padding: 54px 46px; text-align: center;
}
.cta-band h2 { color: #fff; }
.cta-band p { color: rgba(255,255,255,.85); max-width: 60ch; margin: 0 auto 26px; }

/* Contact */
.contact { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; }
.contact-list { list-style: none; padding: 0; margin: 24px 0 0; }
.contact-list li { display: flex; gap: 14px; align-items: flex-start; margin-bottom: 20px; }
.contact-list .ic { flex: none; width: 44px; height: 44px; border-radius: 11px; display: grid; place-items: center; background: rgba(22,162,172,.12); color: var(--teal-d); }
.contact-list small { color: var(--muted); display: block; font-size: .8rem; text-transform: uppercase; letter-spacing: .06em; }
.contact-list b { color: var(--navy); font-size: 1.05rem; font-weight: 700; }
.form { background: var(--bg-soft); border: 1px solid var(--line); border-radius: var(--radius); padding: 30px; }
.form label { display: block; font-weight: 600; font-size: .9rem; margin: 0 0 6px; color: var(--navy); }
.form input, .form textarea {
  width: 100%; padding: 12px 14px; border: 1px solid var(--line); border-radius: 10px;
  font-family: inherit; font-size: .98rem; margin-bottom: 16px; background: #fff;
}
.form input:focus, .form textarea:focus { outline: 2px solid var(--teal); border-color: var(--teal); }
.form .note { font-size: .82rem; color: var(--muted); margin: 4px 0 0; }

/* Footer */
.site-footer { background: var(--navy); color: rgba(255,255,255,.8); padding: 60px 0 26px; }
.site-footer h4 { color: #fff; font-size: 1rem; margin: 0 0 16px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 34px; }
.footer-grid a { color: rgba(255,255,255,.8); }
.footer-grid a:hover { color: #fff; }
.footer-grid ul { list-style: none; padding: 0; margin: 0; }
.footer-grid li { margin-bottom: 9px; font-size: .94rem; }
.footer-brand img { height: 44px; margin-bottom: 14px; filter: brightness(0) invert(1); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.13); margin-top: 40px; padding-top: 22px;
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; font-size: .86rem; color: rgba(255,255,255,.6);
}

/* Floating quote button (mobile-friendly conversion) */
.float-cta {
  position: fixed; right: 18px; bottom: 18px; z-index: 60;
  background: var(--amber); color: #3d2600; font-weight: 800; padding: 14px 22px;
  border-radius: 999px; box-shadow: 0 12px 26px rgba(244,165,28,.5); display: none;
}
.float-cta:hover { color: #3d2600; transform: translateY(-2px); }

.section-head { max-width: 640px; margin-bottom: 44px; }

/* FAQ accordion */
.faq { max-width: 820px; }
.faq-item {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 4px 24px; margin-bottom: 14px; box-shadow: var(--shadow);
}
.faq-item summary {
  cursor: pointer; list-style: none; font-weight: 700; color: var(--navy);
  font-size: 1.05rem; padding: 18px 34px 18px 0; position: relative;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+"; position: absolute; right: 2px; top: 50%; transform: translateY(-50%);
  font-size: 1.5rem; font-weight: 400; color: var(--teal-d); line-height: 1;
}
.faq-item[open] summary::after { content: "\2212"; }
.faq-item p { color: var(--muted); font-size: .98rem; padding: 0 0 18px; margin: 0; }

/* SEO region content */
.region-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 26px; }
.region-grid span {
  background: #fff; border: 1px solid var(--line); border-radius: 999px;
  padding: 10px 20px; font-weight: 600; color: var(--navy-2); font-size: .95rem; text-align: center;
}
@media (max-width: 560px) { .region-grid { grid-template-columns: 1fr 1fr; } }

/* Responsive */
@media (max-width: 940px) {
  .grid--4, .grid--3 { grid-template-columns: repeat(2, 1fr); }
  .usps { grid-template-columns: repeat(2, 1fr); }
  .split, .contact { grid-template-columns: 1fr; gap: 32px; }
  .gallery { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .nav-links {
    position: fixed; inset: 76px 0 auto 0; background: #fff; flex-direction: column;
    align-items: flex-start; gap: 0; padding: 10px 22px 22px; border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow); transform: translateY(-140%); transition: transform .25s ease; height: auto;
  }
  .nav-links.open { transform: translateY(0); }
  .nav-links li { width: 100%; border-bottom: 1px solid var(--line); }
  .nav-links a { display: block; padding: 14px 0; }
  .nav-links .nav-cta { padding: 14px 0; }
  .nav-toggle { display: block; }
  .float-cta { display: inline-block; }
}
@media (max-width: 560px) {
  .grid--4, .grid--3, .usps, .gallery, .footer-grid { grid-template-columns: 1fr; }
  .section { padding: 60px 0; }
  .cta-band { padding: 40px 24px; }
}