:root {
  --ink: #18312b;
  --ink-soft: #435952;
  --forest: #123c33;
  --forest-light: #1f5a4d;
  --paper: #f6f2e9;
  --paper-deep: #ebe4d6;
  --white: #fffdf8;
  --clay: #cb7049;
  --clay-dark: #a94f31;
  --line: rgba(24, 49, 43, .14);
  --shadow: 0 24px 70px rgba(18, 60, 51, .12);
  --radius: 1.25rem;
  --serif: "Iowan Old Style", "Palatino Linotype", Baskerville, Georgia, serif;
  --sans: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font: 400 1rem/1.72 var(--sans);
  -webkit-font-smoothing: antialiased;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  opacity: .22;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='100' height='100' viewBox='0 0 100 100'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.12'/%3E%3C/svg%3E");
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration-thickness: .08em; text-underline-offset: .18em; }
button, input, textarea, select { font: inherit; }

.skip-link {
  position: fixed;
  z-index: 1000;
  left: 1rem;
  top: 1rem;
  transform: translateY(-180%);
  padding: .7rem 1rem;
  color: var(--white);
  background: var(--forest);
  border-radius: .5rem;
}
.skip-link:focus { transform: none; }

.container { width: min(1180px, calc(100% - 2.5rem)); margin-inline: auto; }
.narrow { width: min(780px, calc(100% - 2.5rem)); margin-inline: auto; }

.site-header {
  position: relative;
  z-index: 50;
  background: rgba(246, 242, 233, .94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}
.header-inner { min-height: 84px; display: flex; align-items: center; gap: 2rem; }
.logo { display: inline-flex; align-items: center; gap: .75rem; text-decoration: none; }
.logo-mark {
  position: relative;
  width: 42px;
  aspect-ratio: 1;
  border: 1.5px solid var(--forest);
  border-radius: 50% 47% 48% 43%;
  transform: rotate(-8deg);
}
.logo-mark::before, .logo-mark::after {
  content: "";
  position: absolute;
  border: 1px solid currentColor;
  border-radius: inherit;
  inset: 7px;
}
.logo-mark::after { inset: 14px; background: var(--clay); border: 0; }
.logo-type { display: flex; align-items: baseline; letter-spacing: -.04em; font: 700 1.65rem/1 var(--serif); }
.logo-type small { margin-left: .42rem; letter-spacing: .08em; color: var(--clay-dark); font: 700 .58rem/1 var(--sans); text-transform: uppercase; }

.site-nav { margin-left: auto; display: flex; align-items: center; gap: 1.75rem; }
.site-nav a { position: relative; font-size: .91rem; font-weight: 650; text-decoration: none; }
.site-nav a:not(.nav-cta)::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: -.45rem;
  height: 2px;
  background: var(--clay);
  transition: right .25s ease;
}
.site-nav a:hover::after, .site-nav a[aria-current="page"]::after { right: 0; }
.nav-cta { padding: .65rem 1rem; color: var(--white); background: var(--forest); border-radius: 100px; }
.menu-toggle { display: none; margin-left: auto; padding: .5rem; border: 0; color: var(--ink); background: transparent; cursor: pointer; }
.menu-toggle span { display: block; width: 25px; height: 2px; margin: 5px; background: currentColor; transition: .2s; }

.hero {
  min-height: 690px;
  display: grid;
  align-items: end;
  position: relative;
  color: var(--white);
  overflow: hidden;
  background: #19392f;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(9, 30, 25, .92) 0%, rgba(9, 30, 25, .73) 38%, rgba(9, 30, 25, .1) 73%), url("assets/images/houten-aanbouw-dakrenovatie.webp") center/cover no-repeat;
}
.hero::after {
  content: "";
  position: absolute;
  width: 40vw;
  height: 40vw;
  left: -21vw;
  bottom: -20vw;
  border: 1px solid rgba(255,255,255,.22);
  border-radius: 50%;
  box-shadow: 0 0 0 5vw rgba(255,255,255,.025), 0 0 0 10vw rgba(255,255,255,.025);
}
.hero-content { position: relative; z-index: 1; width: 100%; min-width: 0; max-width: 720px; padding: 9rem 0 6.5rem; }
.eyebrow { display: flex; align-items: center; gap: .7rem; margin: 0 0 1.2rem; color: var(--clay); font-size: .76rem; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; }
.eyebrow::before { content: ""; width: 34px; height: 1px; background: currentColor; }
.hero h1, .page-hero h1, .display-title { margin: 0; letter-spacing: -.045em; font: 500 clamp(3.1rem, 7vw, 6.25rem)/.96 var(--serif); }
.hero h1 em { color: #d9a27e; font-style: italic; font-weight: 400; }
.hero-lead { max-width: 620px; margin: 1.75rem 0 2.2rem; color: rgba(255,255,255,.84); font-size: clamp(1.05rem, 2vw, 1.25rem); }
.button-row { display: flex; flex-wrap: wrap; gap: .8rem; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: .55rem; padding: .85rem 1.25rem; border: 1px solid transparent; border-radius: 100px; font-size: .92rem; font-weight: 750; text-decoration: none; transition: transform .2s, background .2s; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: var(--white); background: var(--clay); }
.button-primary:hover { background: var(--clay-dark); }
.button-ghost { border-color: rgba(255,255,255,.35); color: var(--white); background: rgba(255,255,255,.06); }
.button-dark { color: var(--white); background: var(--forest); }
.arrow { transition: transform .2s; }
a:hover .arrow { transform: translateX(3px); }

.section { padding: 7rem 0; }
.section-sm { padding: 4.5rem 0; }
.section-dark { color: var(--white); background: var(--forest); }
.section-white { background: var(--white); }
.section-header { display: grid; grid-template-columns: .72fr 1.28fr; gap: 3rem; align-items: end; margin-bottom: 3rem; }
.section-header h2, .split-copy h2, .cta-panel h2 { margin: 0; letter-spacing: -.035em; font: 500 clamp(2.3rem, 5vw, 4.3rem)/1.04 var(--serif); }
.section-header > p { max-width: 640px; margin: 0; color: var(--ink-soft); }
.section-dark .section-header > p { color: rgba(255,255,255,.72); }

.topic-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.topic-card { min-height: 330px; display: flex; flex-direction: column; padding: 2rem; background: rgba(255,253,248,.72); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: 0 12px 40px rgba(18,60,51,.05); text-decoration: none; transition: transform .25s, box-shadow .25s, background .25s; }
.topic-card:hover { transform: translateY(-5px); background: var(--white); box-shadow: var(--shadow); }
.card-number { color: var(--clay-dark); font-size: .73rem; font-weight: 800; letter-spacing: .15em; }
.topic-card h3 { margin: auto 0 .7rem; font: 500 2rem/1.05 var(--serif); }
.topic-card p { margin: 0 0 1.5rem; color: var(--ink-soft); font-size: .94rem; }
.text-link { color: var(--clay-dark); font-weight: 750; text-decoration: none; }

.split { display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(3rem, 7vw, 7rem); align-items: center; }
.split-media { position: relative; }
.split-media img { width: 100%; aspect-ratio: 4/5; object-fit: cover; border-radius: var(--radius); box-shadow: var(--shadow); }
.image-note { position: absolute; right: -1.5rem; bottom: 2rem; width: 210px; padding: 1.2rem; color: var(--white); background: var(--clay); border-radius: 1rem; font-size: .82rem; line-height: 1.5; }
.split-copy p { color: var(--ink-soft); }
.split-copy .lead { color: var(--ink); font: 500 1.28rem/1.55 var(--serif); }
.check-list { list-style: none; padding: 0; margin: 1.8rem 0; }
.check-list li { position: relative; padding: .75rem 0 .75rem 2rem; border-bottom: 1px solid var(--line); }
.check-list li::before { content: "↗"; position: absolute; left: 0; color: var(--clay-dark); font-weight: 800; }

.fact-strip { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-top: 1px solid rgba(255,255,255,.18); border-bottom: 1px solid rgba(255,255,255,.18); }
.fact { padding: 2rem; border-right: 1px solid rgba(255,255,255,.18); }
.fact:last-child { border: 0; }
.fact strong { display: block; margin-bottom: .35rem; color: #e1a07f; font: 500 2rem/1 var(--serif); }
.fact span { color: rgba(255,255,255,.7); font-size: .85rem; }

.article-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; }
.article-card { overflow: hidden; background: var(--white); border-radius: var(--radius); box-shadow: 0 15px 45px rgba(18,60,51,.08); }
.article-card-img { aspect-ratio: 16/10; overflow: hidden; background: var(--paper-deep); }
.article-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .45s; }
.article-card:hover img { transform: scale(1.035); }
.article-card-body { padding: 1.6rem; }
.tag { display: inline-block; margin-bottom: .8rem; color: var(--clay-dark); font-size: .69rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.article-card h3 { margin: 0 0 .7rem; font: 500 1.55rem/1.14 var(--serif); }
.article-card p { margin: 0 0 1.2rem; color: var(--ink-soft); font-size: .91rem; }

.cta-panel { display: grid; grid-template-columns: 1.3fr .7fr; gap: 2rem; align-items: center; padding: clamp(2rem, 6vw, 5rem); color: var(--white); background: var(--forest); border-radius: calc(var(--radius) * 1.4); overflow: hidden; position: relative; }
.cta-panel::after { content: ""; position: absolute; width: 260px; height: 260px; right: -90px; top: -110px; border: 1px solid rgba(255,255,255,.15); border-radius: 50%; box-shadow: 0 0 0 45px rgba(255,255,255,.025), 0 0 0 90px rgba(255,255,255,.025); }
.cta-panel p { max-width: 650px; color: rgba(255,255,255,.72); }
.cta-panel .button { position: relative; z-index: 1; justify-self: end; }

.page-hero { position: relative; padding: 7rem 0 5rem; overflow: hidden; border-bottom: 1px solid var(--line); }
.page-hero::after { content: ""; position: absolute; width: 400px; height: 400px; right: -190px; top: -180px; border: 1px solid rgba(18,60,51,.14); border-radius: 50%; box-shadow: 0 0 0 55px rgba(18,60,51,.025), 0 0 0 110px rgba(18,60,51,.025); }
.page-hero .eyebrow { position: relative; z-index: 1; }
.page-hero h1 { max-width: 930px; position: relative; z-index: 1; }
.page-intro { max-width: 750px; margin: 1.5rem 0 0; color: var(--ink-soft); font-size: 1.15rem; }
.breadcrumb { padding-top: 1.3rem; color: var(--ink-soft); font-size: .8rem; }
.breadcrumb ol { display: flex; flex-wrap: wrap; gap: .55rem; padding: 0; margin: 0; list-style: none; }
.breadcrumb li + li::before { content: "/"; margin-right: .55rem; opacity: .45; }

.content-layout { display: grid; grid-template-columns: minmax(0, 1fr) 290px; gap: 5rem; align-items: start; }
.prose { min-width: 0; }
.prose h2 { margin: 3.2rem 0 1rem; font: 500 clamp(2rem, 4vw, 3rem)/1.08 var(--serif); letter-spacing: -.025em; }
.prose h2:first-child { margin-top: 0; }
.prose h3 { margin: 2.1rem 0 .7rem; font: 600 1.4rem/1.2 var(--serif); }
.prose p, .prose li { color: #354b45; }
.prose a { color: var(--clay-dark); font-weight: 700; }
.prose ul, .prose ol { padding-left: 1.3rem; }
.prose li { margin-bottom: .65rem; }
.prose blockquote { margin: 2.2rem 0; padding: 1.4rem 1.6rem; border-left: 3px solid var(--clay); background: var(--white); font: 500 1.2rem/1.55 var(--serif); }
.prose figure { margin: 2.5rem 0; }
.prose figure img { width: 100%; border-radius: var(--radius); }
.prose figcaption { padding-top: .7rem; color: var(--ink-soft); font-size: .78rem; }
.callout { margin: 2.4rem 0; padding: 1.7rem; background: #e4ece7; border-radius: 1rem; }
.callout strong { display: block; margin-bottom: .3rem; }

.toc { position: sticky; top: 2rem; padding: 1.5rem; background: var(--white); border: 1px solid var(--line); border-radius: 1rem; }
.toc strong { display: block; margin-bottom: .7rem; font-size: .74rem; letter-spacing: .12em; text-transform: uppercase; }
.toc ol { margin: 0; padding-left: 1.1rem; }
.toc li { margin: .55rem 0; color: var(--ink-soft); font-size: .84rem; }
.toc a { text-decoration: none; }

.index-list { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.index-item { padding: 1.5rem; background: var(--white); border: 1px solid var(--line); border-radius: 1rem; }
.index-item h2 { margin: 0 0 .6rem; font: 500 1.65rem/1.15 var(--serif); }
.index-item p { margin: 0 0 .8rem; color: var(--ink-soft); font-size: .92rem; }

.contact-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 4rem; }
.contact-card { padding: 2rem; color: var(--white); background: var(--forest); border-radius: var(--radius); }
.contact-card h2 { margin-top: 0; font: 500 2rem/1.1 var(--serif); }
.contact-card a { color: var(--white); }
.contact-list { list-style: none; padding: 0; }
.contact-list li { padding: 1rem 0; border-bottom: 1px solid rgba(255,255,255,.16); }
.contact-list small { display: block; color: rgba(255,255,255,.6); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.field { display: flex; flex-direction: column; gap: .4rem; }
.field-full { grid-column: 1 / -1; }
.field label { font-size: .82rem; font-weight: 750; }
.field input, .field textarea, .field select { width: 100%; padding: .85rem 1rem; color: var(--ink); background: var(--white); border: 1px solid var(--line); border-radius: .65rem; }
.field textarea { min-height: 160px; resize: vertical; }
.field input:focus, .field textarea:focus, .field select:focus { outline: 3px solid rgba(203,112,73,.2); border-color: var(--clay); }

.site-footer { padding: 5rem 0 2rem; color: rgba(255,255,255,.76); background: #0b2c25; }
.footer-grid { display: grid; grid-template-columns: 1.5fr .7fr .7fr 1fr; gap: 3rem; }
.footer-intro { max-width: 360px; }
.site-footer .logo { color: var(--white); }
.site-footer .logo-mark { border-color: rgba(255,255,255,.8); }
.site-footer h2 { margin: .2rem 0 1rem; color: var(--white); font-size: .75rem; letter-spacing: .12em; text-transform: uppercase; }
.footer-links { padding: 0; margin: 0; list-style: none; }
.footer-links li { margin: .55rem 0; }
.footer-links a { text-decoration: none; }
.footer-links a:hover { color: var(--white); }
.footer-bottom { display: flex; justify-content: space-between; gap: 1rem; margin-top: 4rem; padding-top: 1.4rem; border-top: 1px solid rgba(255,255,255,.13); font-size: .76rem; }

@media (max-width: 980px) {
  .menu-toggle { display: block; }
  .site-nav {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: 84px;
    align-items: stretch;
    padding: 1rem 1.25rem 1.4rem;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 20px 30px rgba(18,60,51,.1);
  }
  .site-nav.is-open { display: flex; flex-direction: column; gap: .2rem; }
  .site-nav a { padding: .75rem 0; }
  .nav-cta { margin-top: .5rem; padding-inline: 1rem !important; text-align: center; }
  .menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .topic-grid, .article-grid { grid-template-columns: 1fr 1fr; }
  .topic-card:last-child, .article-card:last-child { grid-column: 1 / -1; }
  .content-layout { grid-template-columns: 1fr; gap: 3rem; }
  .toc { position: static; order: -1; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 720px) {
  .container, .narrow { width: min(calc(100% - 1.5rem), 1180px); }
  .header-inner { width: calc(100% - 1.5rem); gap: 1rem; }
  .menu-toggle { flex: 0 0 auto; margin-left: auto; position: relative; z-index: 2; }
  .logo-type small { display: none; }
  .hero { min-height: 660px; }
  .hero::before { background: linear-gradient(180deg, rgba(9,30,25,.3), rgba(9,30,25,.88) 61%), url("assets/images/houten-aanbouw-dakrenovatie.webp") 66% center/cover no-repeat; }
  .hero-content { padding: 13rem 0 4rem; }
  .hero h1 { max-width: 100%; font-size: clamp(2.85rem, 14.5vw, 4.5rem); overflow-wrap: break-word; }
  .hero-lead { max-width: 100%; }
  .button-row { flex-direction: column; align-items: flex-start; }
  .section, .section-sm { padding: 4.5rem 0; }
  .section-header, .split, .cta-panel, .contact-grid { grid-template-columns: 1fr; gap: 1.7rem; }
  .topic-grid, .article-grid, .index-list { grid-template-columns: 1fr; }
  .topic-card:last-child, .article-card:last-child { grid-column: auto; }
  .topic-card { min-height: 280px; }
  .fact-strip { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .fact { padding: 1.4rem; }
  .fact strong { font-size: 1.65rem; overflow-wrap: anywhere; }
  .fact:nth-child(2) { border-right: 0; }
  .fact:nth-child(-n+2) { border-bottom: 1px solid rgba(255,255,255,.18); }
  .split-media { padding-right: 1rem; }
  .image-note { right: 0; }
  .cta-panel .button { justify-self: start; }
  .page-hero { padding: 4.5rem 0 3rem; }
  .page-hero h1 { font-size: clamp(2.7rem, 14vw, 4rem); }
  .form-grid { grid-template-columns: 1fr; }
  .field-full { grid-column: auto; }
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .footer-bottom { flex-direction: column; }
}

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