/* overallequipmenteffectiveness.nl - mobile-first, geen framework. */
:root {
  --c-navy: #0f2a47;
  --c-navy-2: #16395f;
  --c-accent: #f5b301;
  --c-accent-dark: #b98500;
  --c-text: #1f2933;
  --c-muted: #52606d;
  --c-bg: #ffffff;
  --c-bg-alt: #f3f5f8;
  --c-border: #d9e0e8;
  --radius: 10px;
  --container: 1120px;
  --gutter: clamp(16px, 4vw, 32px);
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --fs-base: clamp(1rem, 0.96rem + 0.2vw, 1.0625rem);
  --fs-h1: clamp(2rem, 1.4rem + 3vw, 3.25rem);
  --fs-h2: clamp(1.5rem, 1.2rem + 1.4vw, 2.125rem);
  --fs-h3: clamp(1.2rem, 1.1rem + 0.5vw, 1.375rem);
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 80px; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0;
  font-family: var(--font);
  font-size: var(--fs-base);
  line-height: 1.65;
  color: var(--c-text);
  background: var(--c-bg);
  overflow-wrap: break-word;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--c-navy-2); text-underline-offset: 2px; }
a:hover { color: var(--c-accent-dark); }
:focus-visible { outline: 3px solid var(--c-accent); outline-offset: 2px; }
h1, h2, h3 { line-height: 1.2; color: var(--c-navy); margin: 0 0 .6em; }
h1 { font-size: var(--fs-h1); }
h2 { font-size: var(--fs-h2); margin-top: 1.6em; }
h3 { font-size: var(--fs-h3); margin-top: 1.4em; }
p, ul, ol, dl { margin: 0 0 1em; }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 var(--gutter); }
.visually-hidden {
  position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.skip-link { position: absolute; left: -9999px; top: 8px; z-index: 100; background: var(--c-navy); color: #fff; padding: 8px 14px; border-radius: 6px; }
.skip-link:focus { left: 8px; color: #fff; }

/* Header */
.site-header { position: sticky; top: 0; z-index: 50; background: #fff; border-bottom: 1px solid var(--c-border); }
.header-inner { display: flex; align-items: center; justify-content: space-between; min-height: 64px; gap: 16px; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; color: var(--c-navy); min-width: 0; }
.brand-logo { width: 150px; height: auto; flex: none; }
.brand-name { display: none; font-weight: 700; font-size: 1.05rem; white-space: nowrap; padding-left: 12px; border-left: 1px solid var(--c-border); }
.site-nav ul { list-style: none; margin: 0; padding: 0; }
.site-nav a { display: block; text-decoration: none; color: var(--c-navy); font-weight: 600; padding: 10px 12px; border-radius: 6px; }
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--c-navy); background: var(--c-bg-alt); }
.site-nav a[aria-current="page"] { box-shadow: inset 0 -3px 0 var(--c-accent); }
.lang-switch { border: 1px solid var(--c-border); }

.nav-toggle { display: none; }
.js .nav-toggle {
  display: inline-flex; align-items: center; justify-content: center;
  width: 44px; height: 44px; border: 1px solid var(--c-border); border-radius: 8px; background: #fff; cursor: pointer;
}
.nav-toggle-bar, .nav-toggle-bar::before, .nav-toggle-bar::after {
  display: block; width: 20px; height: 2px; background: var(--c-navy); position: relative; transition: transform .2s, background .2s;
}
.nav-toggle-bar::before, .nav-toggle-bar::after { content: ""; position: absolute; left: 0; }
.nav-toggle-bar::before { top: -6px; }
.nav-toggle-bar::after { top: 6px; }
.nav-open .nav-toggle-bar { background: transparent; }
.nav-open .nav-toggle-bar::before { transform: translateY(6px) rotate(45deg); }
.nav-open .nav-toggle-bar::after { transform: translateY(-6px) rotate(-45deg); }

/* Mobiel: menu als uitklappaneel (zonder JS gewoon zichtbaar onder de header) */
.header-inner { flex-wrap: wrap; }
.site-nav { width: 100%; padding-bottom: 8px; }
.js .site-nav { display: none; }
.js .nav-open .site-nav { display: block; }

@media (min-width: 560px) {
  .brand-name { display: inline; }
}
@media (min-width: 900px) {
  .header-inner { flex-wrap: nowrap; }
  .js .nav-toggle { display: none; }
  .site-nav, .js .site-nav { display: block; width: auto; padding: 0; }
  .site-nav ul { display: flex; align-items: center; gap: 4px; }
  .lang-item { margin-left: 8px; }
}

/* Knoppen */
.btn {
  display: inline-block; padding: 12px 22px; border-radius: 999px; font-weight: 700; text-decoration: none;
  border: 2px solid transparent; line-height: 1.2; transition: background .15s, color .15s, border-color .15s;
}
.btn + .btn { margin-left: 8px; }
.btn-primary { background: var(--c-accent); color: var(--c-navy); }
.btn-primary:hover { background: #ffc933; color: var(--c-navy); }
.btn-ghost { border-color: #fff; color: #fff; }
.btn-ghost:hover { background: #fff; color: var(--c-navy); }
.btn-outline { border-color: var(--c-navy); color: var(--c-navy); }
.btn-outline:hover { background: var(--c-navy); color: #fff; }

/* Hero */
.hero { position: relative; isolation: isolate; color: #fff; background: var(--c-navy); overflow: hidden; }
.hero-bg, .hero-bg img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.hero-bg { z-index: -2; }
.hero::after { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(100deg, rgba(15,42,71,.92) 0%, rgba(15,42,71,.75) 55%, rgba(15,42,71,.45) 100%); }
.hero-content { padding-top: clamp(64px, 12vw, 140px); padding-bottom: clamp(64px, 12vw, 140px); max-width: var(--container); }
.hero h1 { color: #fff; max-width: 18ch; }
.hero-eyebrow { color: var(--c-accent); font-weight: 700; letter-spacing: .04em; text-transform: uppercase; font-size: .9rem; margin-bottom: .75em; }
.hero-lead { font-size: clamp(1.05rem, 1rem + .5vw, 1.3rem); max-width: 60ch; }
.hero-actions { margin-top: 1.5em; display: flex; flex-wrap: wrap; gap: 10px; }
.hero-actions .btn + .btn { margin-left: 0; }

/* Secties */
.section { padding: clamp(48px, 8vw, 88px) 0; }
.section-alt { background: var(--c-bg-alt); }
.section h2:first-child, .split h2 { margin-top: 0; }
.split { display: grid; gap: 32px; align-items: center; }
@media (min-width: 900px) { .split { grid-template-columns: 1fr 1fr; gap: 56px; } }
.figure { margin: 0 0 1.5em; }
.figure img { border: 1px solid var(--c-border); border-radius: var(--radius); background: #fff; }
.figure figcaption { font-size: .9rem; color: var(--c-muted); margin-top: .5em; }

/* Artikel */
.page-header { background: var(--c-navy); color: #fff; padding: clamp(32px, 6vw, 56px) 0; }
.page-header h1 { color: #fff; margin: 0; }
.breadcrumb ol { list-style: none; margin: 0 0 .75em; padding: 0; display: flex; flex-wrap: wrap; font-size: .9rem; }
.breadcrumb li + li::before { content: "/"; margin: 0 .5em; opacity: .6; }
.breadcrumb a { color: #fff; opacity: .85; }
.breadcrumb [aria-current] { opacity: .85; }
.prose { max-width: 780px; }
.lead { font-size: clamp(1.05rem, 1rem + .35vw, 1.2rem); color: var(--c-navy); }
.metrics { display: grid; gap: 12px; }
.metrics > div { background: var(--c-bg-alt); border-left: 4px solid var(--c-accent); border-radius: 0 var(--radius) var(--radius) 0; padding: 14px 18px; }
.metrics dt { font-weight: 700; color: var(--c-navy); }
.metrics dd { margin: 0; }
.formula { background: var(--c-navy); color: #fff; border-radius: var(--radius); padding: 14px 18px; font-variant-numeric: tabular-nums; }
.formula strong { color: var(--c-accent); }
.table-wrap { overflow-x: auto; margin: 0 0 1.25em; }
table { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; }
caption { text-align: left; font-weight: 700; color: var(--c-navy); margin-bottom: .5em; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--c-border); }
thead th { background: var(--c-bg-alt); }
td:last-child { text-align: right; white-space: nowrap; }
thead th:last-child { text-align: right; }
tr.total th, tr.total td { font-weight: 700; border-top: 2px solid var(--c-navy); border-bottom: 0; }
.article-meta { color: var(--c-muted); font-size: .9rem; margin-top: 2em; }

/* Contact */
.contact-card { background: #fff; border: 1px solid var(--c-border); border-radius: var(--radius); padding: clamp(20px, 4vw, 32px); max-width: 520px; }
.contact-card address { font-style: normal; }
.contact-card address img { margin-bottom: 16px; }
.contact-card p { margin-bottom: .5em; }
.contact-name { font-weight: 700; color: var(--c-navy); }
.contact-label { color: var(--c-muted); }
.contact-card .btn { margin-top: 12px; }

/* Footer */
.site-footer { background: var(--c-navy); color: #cfd8e3; padding: 28px 0; font-size: .9rem; }
.site-footer a { color: #fff; }
.footer-inner { display: flex; flex-direction: column; gap: 8px; }
.footer-inner p { margin: 0; }
.footer-links { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 4px 18px; }
@media (min-width: 900px) { .footer-inner { flex-direction: row; justify-content: space-between; align-items: center; } }

@media print {
  .site-header, .site-footer, .hero-bg, .btn { display: none !important; }
  .hero, .page-header { background: none; color: #000; }
  .hero h1, .page-header h1 { color: #000; }
}

/* Taalwisselaar: op mobiel volledige taalnaam, op desktop alleen de code */
@media (min-width: 900px) {
  .lang-full { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
}