/* WTA van Eijsden – Warmte & Ventilatie Techniek */
:root {
  --navy: #0b2560;
  --navy-900: #071a45;
  --navy-50: #eef2fa;
  --red: #e0261a;
  --red-600: #c01f14;
  --ink: #1b2233;
  --muted: #5b6478;
  --line: #e3e7ef;
  --bg: #ffffff;
  --bg-soft: #f6f8fc;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(11, 37, 96, .06), 0 8px 24px rgba(11, 37, 96, .08);
  --max: 1160px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; -webkit-text-size-adjust: 100%; }
body { margin: 0; font-family: var(--font); color: var(--ink); background: var(--bg); line-height: 1.6; font-size: 17px; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--navy); }
a:hover { color: var(--red-600); }
h1, h2, h3 { line-height: 1.2; color: var(--navy-900); margin: 0 0 .5em; letter-spacing: -.01em; }
h1 { font-size: clamp(2rem, 4.6vw, 3.2rem); font-weight: 800; }
h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); font-weight: 800; }
h3 { font-size: 1.15rem; font-weight: 700; }
p { margin: 0 0 1em; }

.container { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 20px; }
.section { padding: clamp(56px, 8vw, 96px) 0; }
.section--soft { background: var(--bg-soft); }
.eyebrow { display: inline-block; font-size: .8rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--red-600); margin-bottom: .75rem; }
.lead { font-size: 1.15rem; color: var(--muted); max-width: 46rem; }
.section-head { max-width: 48rem; margin-bottom: 40px; }

.skip { position: absolute; left: -9999px; }
.skip:focus { left: 16px; top: 16px; z-index: 100; background: #fff; padding: 8px 12px; border-radius: 8px; }

/* Buttons */
.btn { display: inline-flex; align-items: center; gap: .55em; padding: .85em 1.35em; border-radius: 999px; font-weight: 700; text-decoration: none; border: 2px solid transparent; transition: background .15s, color .15s, border-color .15s, transform .15s; white-space: nowrap; }
.btn:hover { transform: translateY(-1px); }
.btn svg { width: 1.1em; height: 1.1em; flex: none; }
.btn--primary { background: var(--red); color: #fff; }
.btn--primary:hover { background: var(--red-600); color: #fff; }
.btn--ghost { border-color: rgba(255, 255, 255, .55); color: #fff; }
.btn--ghost:hover { background: #fff; color: var(--navy); }
.btn--outline { border-color: var(--navy); color: var(--navy); }
.btn--outline:hover { background: var(--navy); color: #fff; }

/* Header */
.header { position: sticky; top: 0; z-index: 50; background: rgba(255, 255, 255, .94); backdrop-filter: saturate(160%) blur(8px); border-bottom: 1px solid var(--line); }
.header__inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; height: 72px; }
.header__logo img { height: 46px; width: auto; }
.nav { display: flex; align-items: center; gap: 28px; }
.nav a { text-decoration: none; color: var(--ink); font-weight: 600; font-size: .97rem; }
.nav a:hover { color: var(--red-600); }
.nav .btn { color: #fff; padding: .6em 1.1em; }
.nav-toggle { display: none; background: none; border: 0; padding: 8px; cursor: pointer; color: var(--navy); }
.nav-toggle svg { width: 28px; height: 28px; }

@media (max-width: 880px) {
  .nav-toggle { display: block; }
  .nav { position: absolute; top: 72px; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 0; background: #fff; border-bottom: 1px solid var(--line); padding: 8px 20px 20px; display: none; }
  .nav.is-open { display: flex; }
  .nav a { padding: 12px 0; border-bottom: 1px solid var(--line); }
  .nav .btn { margin-top: 12px; justify-content: center; border-bottom: 0; }
}

/* Hero */
.hero { position: relative; color: #fff; background: radial-gradient(1200px 500px at 85% -10%, rgba(255, 52, 38, .28), transparent 60%), linear-gradient(135deg, var(--navy-900), var(--navy) 60%, #12357f); overflow: hidden; }
.hero::after { content: ""; position: absolute; inset: auto 0 0 0; height: 120px; background: url("../img/pulse.svg") repeat-x bottom / 900px 120px; opacity: .18; pointer-events: none; }
.hero__inner { position: relative; z-index: 1; display: grid; grid-template-columns: 1.25fr .75fr; gap: 48px; align-items: center; padding: clamp(64px, 10vw, 120px) 20px clamp(80px, 11vw, 136px); }
.hero h1 { color: #fff; }
.hero h1 span { color: #ffb3ad; }
.hero .lead { color: rgba(255, 255, 255, .85); }
.hero__cta { display: flex; flex-wrap: wrap; gap: 12px; margin: 28px 0 32px; }
.hero__trust { display: flex; flex-wrap: wrap; gap: 10px 22px; padding: 0; margin: 0; list-style: none; font-size: .95rem; color: rgba(255, 255, 255, .9); }
.hero__trust li { display: flex; align-items: center; gap: 8px; }
.hero__trust svg { width: 18px; height: 18px; color: #7ee2a8; flex: none; }
.hero__card { background: rgba(255, 255, 255, .08); border: 1px solid rgba(255, 255, 255, .18); border-radius: 20px; padding: 28px; }
.hero__card h2 { color: #fff; font-size: 1.25rem; margin-bottom: 14px; }
.hero__card dl { margin: 0; display: grid; gap: 14px; }
.hero__card dt { font-size: .78rem; text-transform: uppercase; letter-spacing: .1em; color: rgba(255, 255, 255, .65); }
.hero__card dd { margin: 0; font-weight: 700; font-size: 1.1rem; }
.hero__card a { color: #fff; text-decoration: none; }
.hero__card a:hover { text-decoration: underline; }

@media (max-width: 880px) {
  .hero__inner { grid-template-columns: 1fr; gap: 32px; }
}

/* Services */
.grid { display: grid; gap: 20px; grid-template-columns: repeat(3, 1fr); }
@media (max-width: 960px) { .grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .grid { grid-template-columns: 1fr; } }
.card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; box-shadow: var(--shadow); display: flex; flex-direction: column; }
.card__icon { width: 48px; height: 48px; border-radius: 12px; display: grid; place-items: center; background: var(--navy-50); color: var(--navy); margin-bottom: 16px; }
.card__icon svg { width: 26px; height: 26px; }
.card p { color: var(--muted); margin-bottom: .75em; }
.card ul { margin: auto 0 0; padding: 0; list-style: none; font-size: .93rem; color: var(--ink); }
.card li { padding: 4px 0 4px 20px; position: relative; }
.card li::before { content: ""; position: absolute; left: 0; top: .8em; width: 8px; height: 8px; border-radius: 2px; background: var(--red); }

/* Second opinion */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 6vw, 72px); align-items: center; }
@media (max-width: 880px) { .split { grid-template-columns: 1fr; } }
.steps { counter-reset: step; list-style: none; padding: 0; margin: 0; display: grid; gap: 16px; }
.steps li { counter-increment: step; position: relative; padding: 20px 20px 20px 76px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); }
.steps li::before { content: counter(step); position: absolute; left: 20px; top: 20px; width: 40px; height: 40px; border-radius: 50%; display: grid; place-items: center; background: var(--navy); color: #fff; font-weight: 800; }
.steps h3 { margin-bottom: .25em; }
.steps p { margin: 0; color: var(--muted); }
.callout { border-left: 4px solid var(--red); padding: 4px 0 4px 18px; margin: 24px 0; font-weight: 600; color: var(--navy-900); }

/* About */
.about__media { position: relative; }
.about__media img { border-radius: 20px; box-shadow: var(--shadow); aspect-ratio: 4 / 5; object-fit: cover; width: 100%; }
.about__badge { position: absolute; right: -12px; bottom: 24px; background: #fff; border-radius: 14px; box-shadow: var(--shadow); padding: 14px 18px; display: flex; align-items: center; gap: 12px; max-width: 260px; }
.about__badge img { width: 44px; height: 44px; aspect-ratio: auto; box-shadow: none; border-radius: 0; }
.about__badge strong { display: block; color: var(--navy-900); line-height: 1.25; }
.about__badge span { font-size: .85rem; color: var(--muted); }
@media (max-width: 620px) { .about__badge { right: 12px; } }
.facts { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; margin: 28px 0 0; padding: 0; list-style: none; }
.facts li { background: var(--bg-soft); border-radius: 12px; padding: 16px; }
.facts strong { display: block; color: var(--navy-900); }
.facts span { font-size: .92rem; color: var(--muted); }
@media (max-width: 480px) { .facts { grid-template-columns: 1fr; } }

/* Area */
.chips { display: flex; flex-wrap: wrap; gap: 10px; padding: 0; margin: 24px 0 0; list-style: none; }
.chips li { padding: 8px 16px; border-radius: 999px; background: #fff; border: 1px solid var(--line); font-weight: 600; color: var(--navy); }
.chips li.is-home { background: var(--navy); color: #fff; border-color: var(--navy); }

/* Contact */
.contact { background: linear-gradient(135deg, var(--navy-900), var(--navy)); color: #fff; }
.contact h2 { color: #fff; }
.contact .lead { color: rgba(255, 255, 255, .85); }
.contact__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 36px; }
@media (max-width: 880px) { .contact__grid { grid-template-columns: 1fr; } }
.contact__item { background: rgba(255, 255, 255, .07); border: 1px solid rgba(255, 255, 255, .16); border-radius: var(--radius); padding: 24px; }
.contact__item h3 { color: #fff; font-size: 1rem; margin-bottom: 10px; display: flex; align-items: center; gap: 10px; }
.contact__item h3 svg { width: 20px; height: 20px; color: #ffb3ad; }
.contact__item p { margin: 0 0 .35em; color: rgba(255, 255, 255, .85); }
.contact__item a { color: #fff; font-weight: 700; text-decoration: none; font-size: 1.08rem; word-break: break-word; }
.contact__item a:hover { text-decoration: underline; color: #fff; }
.contact__item small { color: rgba(255, 255, 255, .65); }
.contact__cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }

/* Footer */
.footer { background: var(--navy-900); color: rgba(255, 255, 255, .7); font-size: .9rem; padding: 32px 0; }
.footer__inner { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 16px 32px; align-items: center; }
.footer a { color: #fff; text-decoration: none; }
.footer a:hover { text-decoration: underline; color: #fff; }
.footer__links { display: flex; flex-wrap: wrap; gap: 8px 20px; align-items: center; }
.footer__links svg { width: 18px; height: 18px; vertical-align: -3px; margin-right: 4px; }

/* Simple content pages */
.page { padding: clamp(48px, 7vw, 80px) 0; }
.page .container { max-width: 760px; }
.page h2 { font-size: 1.35rem; margin-top: 1.8em; }

/* Mobile call bar */
.callbar { display: none; }
@media (max-width: 620px) {
  .callbar { display: grid; grid-template-columns: 1fr 1fr; position: fixed; left: 0; right: 0; bottom: 0; z-index: 60; box-shadow: 0 -4px 16px rgba(0, 0, 0, .12); }
  .callbar a { display: flex; align-items: center; justify-content: center; gap: 8px; padding: 14px; font-weight: 700; text-decoration: none; color: #fff; background: var(--red); }
  .callbar a + a { background: var(--navy); }
  .callbar svg { width: 18px; height: 18px; }
  body { padding-bottom: 52px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn { transition: none; }
}

/* Service pages */
.page-hero { color: #fff; background: radial-gradient(900px 400px at 90% -20%, rgba(255, 52, 38, .25), transparent 60%), linear-gradient(135deg, var(--navy-900), var(--navy)); padding: clamp(40px, 7vw, 72px) 0 clamp(44px, 7vw, 76px); }
.page-hero h1 { color: #fff; font-size: clamp(1.8rem, 4vw, 2.6rem); max-width: 22ch; }
.page-hero .lead { color: rgba(255, 255, 255, .86); }
.page-hero .hero__cta { margin: 24px 0 0; }
.crumbs { font-size: .88rem; margin-bottom: 18px; color: rgba(255, 255, 255, .7); }
.crumbs a { color: rgba(255, 255, 255, .85); text-decoration: none; }
.crumbs a:hover { color: #fff; text-decoration: underline; }
.crumbs span { margin: 0 .4em; }
.layout { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: clamp(32px, 5vw, 64px); align-items: start; }
@media (max-width: 960px) { .layout { grid-template-columns: 1fr; } }
.prose { max-width: 46rem; }
.prose h2 { font-size: clamp(1.35rem, 2.4vw, 1.7rem); margin-top: 1.6em; }
.prose h2:first-child { margin-top: 0; }
.prose h3 { margin-top: 1.4em; }
.prose ul { padding-left: 1.2em; }
.prose li { margin: .35em 0; }
.prose li::marker { color: var(--red); }
.aside { position: sticky; top: 96px; display: grid; gap: 16px; }
.aside .box { background: var(--bg-soft); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.aside .box--cta { background: var(--navy); border-color: var(--navy); color: #fff; }
.aside .box--cta h2 { color: #fff; font-size: 1.15rem; }
.aside .box--cta p { color: rgba(255, 255, 255, .85); }
.aside .box--cta .btn { width: 100%; justify-content: center; margin-top: 8px; }
.aside .box h2 { font-size: 1.05rem; margin-bottom: 10px; }
.aside ul { list-style: none; padding: 0; margin: 0; }
.aside li { border-top: 1px solid var(--line); }
.aside li:first-child { border-top: 0; }
.aside li a { display: block; padding: 9px 0; text-decoration: none; font-weight: 600; }
.aside li a[aria-current] { color: var(--red-600); }
@media (max-width: 960px) { .aside { position: static; } }
.faq { margin-top: 2.2em; }
.faq details { border: 1px solid var(--line); border-radius: 12px; padding: 4px 18px; margin-bottom: 10px; background: #fff; }
.faq summary { cursor: pointer; font-weight: 700; color: var(--navy-900); padding: 12px 0; list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; float: right; color: var(--red-600); font-weight: 800; }
.faq details[open] summary::after { content: "–"; }
.faq details p { color: var(--muted); }
.card__more { margin-top: 14px; font-weight: 700; text-decoration: none; color: var(--navy); }
.card__more:hover { color: var(--red-600); }
.card__more::after { content: " →"; }
.footer__nav { display: flex; flex-wrap: wrap; gap: 6px 18px; width: 100%; padding-bottom: 16px; margin-bottom: 4px; border-bottom: 1px solid rgba(255, 255, 255, .12); }
.review-cta { margin: 22px 0 0; color: rgba(255, 255, 255, .85); }
.review-cta a { color: #fff; font-weight: 700; display: inline-flex; align-items: center; gap: 6px; }
.review-cta svg { width: 18px; height: 18px; color: #ffd166; }