@font-face {
  font-family: "Saira";
  src: url("fonts/saira-latin-standard-italic.woff2") format("woff2");
  font-weight: 100 900;
  font-stretch: 50% 125%;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: "Public Sans";
  src: url("fonts/public-sans-latin-wght-normal.woff2") format("woff2");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

:root {
  --navy: #0a2a52;
  --navy-deep: #071f3d;
  --navy-soft: #b9c9dd;
  --orange: #ff6b00;
  --plaster: #e9eef4;
  --white: #ffffff;
  --error: #a3180f;
  --gutter: clamp(16px, 4vw, 56px);
  --width: 1320px;
  --edge: max(var(--gutter), calc((100% - var(--width)) / 2));
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 88px; }
body {
  margin: 0;
  background: var(--white);
  color: var(--navy);
  font: 400 1.0625rem/1.6 "Public Sans", system-ui, sans-serif;
  -webkit-text-size-adjust: 100%;
}
img, svg { display: block; max-width: 100%; height: auto; }
[hidden] { display: none !important; }

h1, h2, h3, .foot-line {
  font-family: "Saira", "Arial Black", sans-serif;
  font-style: italic;
  font-weight: 800;
  font-stretch: 125%;
  line-height: 1.04;
  letter-spacing: -0.015em;
  margin: 0;
  text-wrap: balance;
}
h1 { font-size: clamp(2.35rem, 4.5vw, 4.1rem); }
br.wide { display: none; }
@media (min-width: 961px) { br.wide { display: inline; } }
h2 { font-size: clamp(1.9rem, 3.8vw, 3.3rem); }
h3 { font-size: clamp(1.4rem, 2.3vw, 2rem); line-height: 1.12; }

:focus-visible { outline: 3px solid var(--orange); outline-offset: 3px; }
.services :focus-visible, .foot :focus-visible { outline-color: var(--white); }
.quote :focus-visible { outline-color: var(--navy); }

.skip {
  position: absolute; left: 16px; top: -80px; z-index: 30;
  padding: 10px 16px; background: var(--navy); color: var(--white);
}
.skip:focus { top: 12px; }

/* Knoppen hellen mee met het logo */
.btn {
  display: inline-block;
  padding: 0.85em 1.5em;
  border: 0;
  background: var(--orange);
  color: var(--navy-deep);
  font: italic 800 1.0625rem/1.2 "Saira", sans-serif;
  font-stretch: 112%;
  text-decoration: none;
  cursor: pointer;
  clip-path: polygon(10px 0, 100% 0, calc(100% - 10px) 100%, 0 100%);
  transition: background-color .15s;
}
.btn:hover { background: #ff8a33; }
.btn-small { padding: .6em 1.2em; font-size: .975rem; }
.btn-navy { background: var(--navy); color: var(--white); }
.btn-navy:hover { background: var(--navy-deep); }
.btn:focus-visible { clip-path: none; }

/* Kop */
.top {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 10px var(--edge);
  background: var(--white);
  border-bottom: 1px solid var(--plaster);
}
.top-logo img { width: auto; height: 52px; }
.top nav { display: flex; align-items: center; gap: clamp(14px, 2.4vw, 32px); }
.top nav a:not(.btn) {
  color: var(--navy); font-weight: 600; text-decoration: none;
  padding: 10px 0;
}
.top nav a:not(.btn):hover { text-decoration: underline; text-decoration-color: var(--orange); text-decoration-thickness: 3px; text-underline-offset: 6px; }

/* Hero */
.hero { background: var(--plaster); overflow: hidden; }
.hero-text {
  padding: clamp(36px, 6vw, 80px) var(--edge) clamp(24px, 3vw, 40px);
  display: grid; grid-template-columns: minmax(0, 2fr) minmax(280px, 1fr);
  gap: clamp(24px, 4vw, 64px); align-items: end;
}
.hero-side p { margin: 0 0 1.25em; max-width: 46ch; }

.house { position: relative; margin: 0; padding: 0 var(--edge); }
.house-hint { font-size: .95rem; margin-bottom: 4px; }
.house svg { overflow: visible; margin-top: 8px; }
.house { margin-bottom: -1px; }

.wall { fill: var(--white); transition: fill .18s; }
.wall-open { fill: transparent; }
.fx { fill: none; stroke: var(--navy); stroke-width: 3; stroke-linecap: round; stroke-linejoin: round; }
.room { cursor: pointer; }
@media (hover: hover) { .room:hover .wall { fill: #ffd9bd; } }
.room.is-active .wall { fill: var(--orange); }
.room-name { display: none; }
.roof { fill: none; stroke: var(--navy); stroke-width: 30; stroke-linejoin: miter; }
.frame { fill: none; stroke: var(--navy); stroke-width: 8; }
.chimney { fill: var(--navy); }
.slash, .pane { fill: var(--orange); }
.ground { fill: var(--navy); }

/* Bij het laden gaan de lichten een voor een aan en blijft de eerste ruimte branden */
.is-lighting .wall { transition: fill .12s; }

/* Diensten: het huis staat op deze fundering */
.services { background: var(--navy); color: var(--white); padding: clamp(40px, 6vw, 80px) var(--edge) clamp(56px, 7vw, 96px); }
.services-inner {
  display: grid; grid-template-columns: minmax(280px, 5fr) 8fr; gap: clamp(32px, 6vw, 88px);
}
.services h2 { margin-bottom: .7em; }
.tabs { display: flex; flex-direction: column; }
.tabs button {
  appearance: none; border: 0; background: none; color: var(--navy-soft);
  font: 600 1.0625rem/1.3 "Public Sans", sans-serif;
  text-align: left; padding: 13px 0 13px 16px;
  border-left: 4px solid rgba(255, 255, 255, .18);
  cursor: pointer; transition: color .15s;
}
.tabs button:hover { color: var(--white); }
.tabs button[aria-selected="true"] { color: var(--white); border-left-color: var(--orange); font-weight: 700; }

.panel:focus-visible { outline-offset: 12px; }
.panel h3 { color: var(--white); }
.panel > p { margin: .7em 0 1.5em; color: var(--navy-soft); font-size: 1.125rem; max-width: 56ch; }
.panel ul { list-style: none; margin: 0; padding: 0; columns: 2; column-gap: 40px; }
.panel li {
  position: relative; break-inside: avoid;
  padding: 0 0 .85em 24px;
}
.panel li::before {
  content: ""; position: absolute; left: 0; top: .5em;
  width: 13px; height: 7px; background: var(--orange);
  clip-path: polygon(30% 0, 100% 0, 70% 100%, 0 100%);
}
.panel-cta { margin-top: 20px; }
.js .panel:not(.is-open) { display: none; }
html:not(.js) .tabs { display: none; }
html:not(.js) .panel { margin-bottom: 48px; }
html:not(.js) .house-hint { display: none; }

/* Waarom */
.why {
  padding: clamp(56px, 8vw, 112px) var(--edge);
  display: grid; grid-template-columns: minmax(280px, 5fr) 8fr; gap: clamp(28px, 6vw, 88px);
}
.why dl { margin: 0; }
.why dl > div {
  display: grid; grid-template-columns: minmax(200px, 5fr) 7fr; gap: 6px 32px;
  padding: 20px 0; border-top: 2px solid var(--plaster);
}
.why dl > div:first-child { border-top: 0; padding-top: 6px; }
.why dt { font-weight: 700; }
.why dd { margin: 0; }

/* Offerte */
.quote {
  background: var(--orange);
  padding: clamp(56px, 7vw, 104px) var(--edge);
  display: grid; grid-template-columns: 5fr 7fr; gap: clamp(32px, 6vw, 88px); align-items: start;
  color: var(--navy-deep);
}
.quote-text { position: sticky; top: 104px; }
.quote-text p { max-width: 46ch; margin: 1em 0 0; font-size: 1.125rem; }
.quote-text p:nth-of-type(2) { font-weight: 700; }
.quote-mail a { color: inherit; font-weight: 700; }

.form { background: var(--white); color: var(--navy); padding: clamp(20px, 3.5vw, 44px); }
.field { margin-bottom: 18px; min-width: 0; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 0 18px; }
label { display: block; font-weight: 700; margin-bottom: 6px; }
input, select, textarea {
  width: 100%; padding: 12px 13px; min-height: 48px;
  border: 2px solid #7f90a6; border-radius: 0; background: var(--white);
  color: var(--navy); font: inherit;
}
input:focus-visible, select:focus-visible, textarea:focus-visible { outline: 3px solid var(--orange); outline-offset: 0; border-color: var(--navy); }
.quote .form :focus-visible { outline-color: var(--orange); }
.quote .form .btn:focus-visible { outline-color: var(--navy); }
[aria-invalid="true"] { border-color: var(--error); }
textarea { resize: vertical; }
.hint { font-size: .925rem; margin: -6px 0 18px; }
.form .btn + .hint { margin: 14px 0 0; }
.error { color: var(--error); font-size: .95rem; font-weight: 600; margin: 6px 0 0; }
.trap { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.status { margin: 18px 0 0; padding: 14px 16px; background: var(--plaster); font-weight: 600; }
.status.is-error { background: #fbe6e4; color: var(--error); }

/* Voet */
.foot {
  background: var(--navy-deep); color: var(--white);
  padding: clamp(36px, 5vw, 56px) var(--edge);
  display: flex; justify-content: space-between; align-items: baseline; flex-wrap: wrap; gap: 12px 32px;
}
.foot-line { font-size: clamp(1.15rem, 2.2vw, 1.75rem); }
.foot-small { margin: 0; color: var(--navy-soft); font-size: .95rem; }
.foot-small a { color: var(--white); }

.notfound { min-height: 70vh; display: grid; place-content: start; gap: 20px; padding: clamp(48px, 8vw, 112px) var(--gutter); background: var(--plaster); }
.notfound p { margin: 0; }

@media (max-width: 960px) {
  .hero-text, .services-inner, .why, .quote { grid-template-columns: minmax(0, 1fr); }
  .quote-text { position: static; }
  .why dl > div { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 640px) {
  html { scroll-padding-top: 72px; }
  .top-logo img { height: 40px; }
  .top nav a[href="#waarom"] { display: none; }
  .top nav { gap: 14px; }
  .top nav a:not(.btn) { padding: 12px 0; font-size: 1rem; }
  .btn-small { padding: .7em 1em; font-size: .9rem; white-space: nowrap; }
  .btn-small { min-height: 44px; display: inline-flex; align-items: center; }
  .quote-mail a, .foot-small a { display: inline-block; padding: 10px 0; }
  .house { padding: 0 8px; }
  .house-hint { display: none; }
  .panel ul { columns: 1; }
  .field-row { grid-template-columns: minmax(0, 1fr); }
  /* Keuzetegels: de gekozen dienst verschijnt meteen eronder */
  .services h2 { margin-bottom: .55em; }
  .services-inner { gap: 28px; }
  .tabs { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
  .tabs button {
    min-height: 60px; padding: 10px 12px;
    border-left: 0; background: rgba(255, 255, 255, .1); color: var(--white);
    font-size: .95rem; font-weight: 600;
  }
  .tabs button:last-child { grid-column: 1 / -1; }
  .tabs button[aria-selected="true"] { background: var(--orange); color: var(--navy-deep); }
  .panel li { padding-bottom: .7em; }
  .panel-cta { display: block; text-align: center; }
  .form .btn { display: block; width: 100%; }
  .hero-side .btn { display: block; text-align: center; }
}
@media (max-width: 359px) {
  .top nav a:not(.btn) { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}