/* A&K Installatietechniek, ontwerp 5: "Warm & Koud"
   Het logo als concept: de rode boog is warm, de blauwe boog is koel.
   Het scherm is schuin in twee helften gedeeld, met het logo op de naad. */

@font-face { font-family: "Onest"; src: url("../assets/fonts/onest.woff2") format("woff2"); font-weight: 400 800; font-display: swap; }
@property --s { syntax: "<percentage>"; inherits: true; initial-value: 50%; }

:root {
  --bg: #FFFFFF;
  --soft: #F4F5F7;
  --line: #E2E5E9;
  --ink: #121820;
  --ink-2: #4C5560;
  --warm: #C42A17;
  --warm-2: #E2321F;
  --warm-t: #FCEBE7;
  --cold: #0759A0;
  --cold-2: #0A7BD8;
  --cold-t: #E7F1FB;
  --sans: "Onest", "Helvetica Neue", Arial, sans-serif;
  --wrap: 1200px;
  --pad: clamp(18px, 3.5vw, 40px);
  --ease: cubic-bezier(.16, 1, .3, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 90px; accent-color: var(--warm); caret-color: var(--warm); }
body { margin: 0; background: var(--bg); color: var(--ink); font: 400 1.0625rem/1.6 var(--sans); -webkit-font-smoothing: antialiased; overflow-x: clip; }
img, svg { display: block; max-width: 100%; }
img { height: auto; }
a { color: inherit; }
a, button, label, input { touch-action: manipulation; -webkit-tap-highlight-color: rgba(10, 123, 216, .12); }
button { font: inherit; color: inherit; }
address { font-style: normal; }
h1, h2, h3, p, ul, ol, dl, dd, figure, fieldset { margin: 0; }
ul, ol { padding: 0; list-style: none; }
h1, h2, h3 { text-wrap: balance; }
:focus-visible { outline: 3px solid var(--cold-2); outline-offset: 3px; }
::selection { background: var(--warm); color: #fff; }
.wrap { width: 100%; max-width: var(--wrap); margin-inline: auto; padding-inline: var(--pad); }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: 12px; top: -60px; z-index: 100; background: var(--ink); color: #fff; padding: 10px 14px; border-radius: 999px; }
.skip:focus { top: 12px; }

.h2 { font: 800 clamp(1.875rem, 3.6vw, 3rem)/1.06 var(--sans); letter-spacing: -.03em; }
.h2--white { color: #fff; }
.lead { color: var(--ink-2); margin-top: 8px; }
.label { font-weight: 700; font-size: .875rem; color: var(--warm); }

.pill { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 0 20px; border-radius: 999px; border: 2px solid transparent; font: 700 .9688rem/1 var(--sans); text-decoration: none; white-space: nowrap; cursor: pointer; transition: background-color .2s, color .2s, border-color .2s, transform .12s ease-out; }
.pill:active { transform: scale(.97); }
.pill[hidden] { display: none; }
.pill--lg { min-height: 54px; padding: 0 26px; font-size: 1.0313rem; }
.pill--ink { background: var(--ink); color: #fff; }
.pill--ink:hover { background: #2A333E; }
.pill--line { border-color: var(--ink); color: var(--ink); }
.pill--line:hover { background: var(--ink); color: #fff; }
.pill--white { background: #fff; color: var(--warm); }
.pill--white:hover { background: var(--warm-t); }

/* KOP */
.head { position: sticky; top: 0; z-index: 40; background: rgba(255, 255, 255, .94); -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px); border-bottom: 1px solid var(--line); }
.head__bar { height: 72px; display: flex; align-items: center; gap: 26px; }
.head__brand { display: flex; align-items: center; gap: 10px; margin-right: auto; text-decoration: none; font-weight: 700; font-size: .8125rem; letter-spacing: .16em; text-transform: uppercase; color: var(--ink); }
.head__brand .logo { width: 64px; }
.head__nav { display: flex; gap: 22px; }
.head__nav a { font-weight: 600; font-size: .9688rem; text-decoration: none; color: var(--ink-2); }
.head__nav a:hover { color: var(--ink); }
.head__nav .t-warm { color: var(--warm); font-weight: 800; }
.head__nav .t-cold { color: var(--cold); font-weight: 800; }
@media (max-width: 960px) { .head__nav { display: none; } }
@media (max-width: 480px) { .head__brand span { display: none; } }

/* SPLIT: schuine deling, de helft onder de muis wordt breder (Split, Hajster) */
.split { --s: 50%; position: relative; height: max(620px, calc(100dvh - 72px)); overflow: hidden; transition: --s .8s var(--ease); }
.split.is-warm { --s: 58%; }
.split.is-cold { --s: 42%; }
.side { position: absolute; inset: 0; display: flex; align-items: flex-end; text-decoration: none; color: #fff; padding: clamp(28px, 4vw, 56px); }
.side--warm { background: linear-gradient(160deg, var(--warm-2), var(--warm) 70%); clip-path: polygon(0 0, calc(var(--s) + 7%) 0, calc(var(--s) - 7%) 100%, 0 100%); }
.side--cold { background: linear-gradient(200deg, var(--cold-2), var(--cold) 70%); clip-path: polygon(calc(var(--s) + 7%) 0, 100% 0, 100% 100%, calc(var(--s) - 7%) 100%); justify-content: flex-end; text-align: right; }
.side__word { position: absolute; top: 4%; font: 800 clamp(7rem, 17vw, 16rem)/.8 var(--sans); letter-spacing: -.05em; color: rgba(255, 255, 255, .13); pointer-events: none; }
.side--warm .side__word { left: 3%; }
.side--cold .side__word { right: 3%; }
.side__body { display: grid; gap: 8px; max-width: min(320px, 26vw); }
.side--cold .side__body { justify-items: end; }
.side__k { font-weight: 800; font-size: 1.25rem; }
.side__list { font-size: .9688rem; color: rgba(255, 255, 255, .88); line-height: 1.5; }
.side__go { margin-top: 6px; display: inline-flex; align-items: center; gap: 8px; font-weight: 700; }
.side__go::after { content: "\2192"; transition: transform .3s var(--ease); }
.side:hover .side__go::after { transform: translateX(4px); }
.side--warm .side__list { color: #FFE3DD; }
.side--cold .side__list { color: #DCEBFA; }

.seam { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); width: min(440px, 86vw); display: grid; justify-items: center; pointer-events: none; z-index: 2; }
.seam__logo { width: 210px; aspect-ratio: 1; border-radius: 50%; background: #fff; display: grid; place-items: center; padding: 30px; box-shadow: 0 24px 60px -18px rgba(18, 24, 32, .5); position: relative; z-index: 1; color: var(--ink); }
.seam__card { margin-top: -40px; padding: 58px 28px 26px; background: #fff; border-radius: 26px; text-align: center; box-shadow: 0 30px 70px -24px rgba(18, 24, 32, .55); pointer-events: auto; }
.seam__title { font: 800 clamp(1.75rem, 2.8vw, 2.375rem)/1.08 var(--sans); letter-spacing: -.03em; }
.seam__title .w { color: var(--warm); }
.seam__title .k { color: var(--cold); }
.seam__sub { color: var(--ink-2); margin-top: 10px; font-size: 1rem; }
.seam__ctas { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin-top: 18px; }

@media (max-width: 980px) {
  .split { height: auto; display: grid; padding: 0; }
  .split.is-warm, .split.is-cold { --s: 50%; }
  .seam { position: relative; left: auto; top: auto; transform: none; margin: 28px auto 24px; order: -1; pointer-events: auto; }
  .seam__logo { width: 160px; padding: 22px; box-shadow: 0 16px 40px -18px rgba(18, 24, 32, .4); }
  .side { position: relative; inset: auto; clip-path: none; min-height: 260px; padding: 28px 22px; }
  .side--warm { clip-path: polygon(0 0, 100% 0, 100% 88%, 0 100%); padding-bottom: 48px; }
  .side--cold { clip-path: polygon(0 12%, 100% 0, 100% 100%, 0 100%); margin-top: -28px; padding-top: 56px; }
  .side__body { max-width: 100%; }
  .side__word { font-size: 7rem; }
}

/* TWEE KANTEN: warm en koel naast elkaar, groot vaag woord erachter (Dalco) */
.twee { padding-block: clamp(72px, 9vw, 120px); }
.twee__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.kant { position: relative; overflow: hidden; border-radius: 26px; padding: clamp(26px, 3.4vw, 44px); }
.kant--warm { background: var(--warm-t); }
.kant--cold { background: var(--cold-t); }
.kant__bg { position: absolute; right: -.04em; bottom: -.16em; font: 800 clamp(6rem, 13vw, 11rem)/1 var(--sans); letter-spacing: -.05em; pointer-events: none; }
.kant--warm .kant__bg { color: rgba(226, 50, 31, .1); }
.kant--cold .kant__bg { color: rgba(10, 123, 216, .1); }
.kant--warm .h2 { color: var(--warm); }
.kant--cold .h2 { color: var(--cold); }
.kant__lead { margin-top: 8px; font-weight: 600; }
.kant__list { position: relative; display: grid; gap: 14px; margin-top: 24px; }
.kant__list li { background: rgba(255, 255, 255, .8); border-radius: 16px; padding: 16px 18px; color: var(--ink-2); font-size: .9688rem; }
.kant__list b { display: block; color: var(--ink); font-size: 1.0625rem; margin-bottom: 2px; }
@media (max-width: 860px) { .twee__grid { grid-template-columns: 1fr; } }

/* DE STIGT */
.stigt { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); gap: clamp(28px, 5vw, 72px); align-items: center; }
.stigt__img { border-radius: 26px; overflow: hidden; }
.stigt__img img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.stigt__copy { display: grid; gap: 14px; }
.stigt__copy > p:not(.label) { color: var(--ink-2); }
.meter { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; max-width: 300px; }
.meter__z { display: grid; place-items: center; height: 56px; border-radius: 12px; background: var(--cold-t); color: var(--cold); font-weight: 800; }
.meter__z--on { background: var(--warm-2); color: #fff; }
.stigt__meta { font-size: .9375rem; }
@media (max-width: 860px) { .stigt { grid-template-columns: 1fr; } }

/* STORING: rode band (Dalco) */
.storing { position: relative; overflow: hidden; margin-top: clamp(72px, 9vw, 120px); background: var(--warm); color: #FFE3DD; padding-block: clamp(56px, 8vw, 96px); }
.storing__bg { position: absolute; right: -.02em; top: 50%; transform: translateY(-50%); font: 800 clamp(7rem, 18vw, 16rem)/1 var(--sans); letter-spacing: -.05em; color: rgba(255, 255, 255, .1); white-space: nowrap; pointer-events: none; }
.storing__inner { position: relative; display: flex; align-items: center; justify-content: space-between; gap: 28px; flex-wrap: wrap; }
.storing__inner > div { max-width: 640px; display: grid; gap: 12px; }

/* PROJECTEN */
.projecten { padding-top: clamp(72px, 9vw, 120px); }
.projecten__grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; margin-top: 28px; }
.p img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; border-radius: 20px; }
.p figcaption { margin-top: 12px; color: var(--ink-2); font-size: .9375rem; }
.p b { display: block; color: var(--ink); font-size: 1.125rem; margin: 6px 0 2px; }
.t { display: inline-block; font-size: .8125rem; font-weight: 800; padding: 3px 10px; border-radius: 999px; }
.t--warm { background: var(--warm-t); color: var(--warm); }
.t--cold { background: var(--cold-t); color: var(--cold); }
@media (max-width: 860px) { .projecten__grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .projecten__grid { grid-template-columns: 1fr; } }

/* A TOT Z: van rood naar blauw */
.az { padding-block: clamp(72px, 9vw, 120px); }
.az__bar { height: 10px; border-radius: 10px; background: var(--soft); margin-top: 28px; overflow: hidden; }
.az__bar span { display: block; height: 100%; width: 100%; border-radius: 10px; background: linear-gradient(90deg, var(--warm-2), var(--cold-2)); transform-origin: left; }
.az__steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; margin-top: 18px; }
.az__steps li { display: grid; gap: 6px; color: var(--ink-2); }
.az__steps li:nth-child(2) { text-align: center; }
.az__steps li:nth-child(3) { text-align: right; }
.az__steps b { font-size: 2rem; line-height: 1; color: var(--ink); }
@media (max-width: 700px) { .az__steps { grid-template-columns: 1fr; } .az__steps li, .az__steps li:nth-child(2), .az__steps li:nth-child(3) { text-align: left; } }

/* CONTACT */
.contact { background: var(--soft); padding-block: clamp(64px, 8vw, 110px); }
.contact__grid { display: grid; grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr); gap: clamp(28px, 5vw, 72px); align-items: start; }
.contact__info { display: grid; gap: 12px; }
.contact__info > p { color: var(--ink-2); }
.contact__tel { font: 800 clamp(2rem, 3.6vw, 2.75rem)/1 var(--sans); letter-spacing: -.02em; text-decoration: none; margin-top: 10px; }
.contact__tel:hover { color: var(--warm); }
.contact__info address { display: grid; gap: 4px; color: var(--ink-2); }
.contact__info address a { color: var(--ink); font-weight: 700; }
.form { display: grid; gap: 16px; background: #fff; border-radius: 26px; padding: clamp(22px, 3vw, 36px); }
.toggle { border: 0; padding: 0; display: grid; gap: 8px; }
.toggle legend { font-weight: 800; font-size: 1.125rem; margin-bottom: 10px; padding: 0; }
.toggle__opt { position: relative; cursor: pointer; }
.toggle__opt input { position: absolute; inset: 0; opacity: 0; margin: 0; cursor: pointer; }
.toggle__opt span { display: flex; align-items: center; gap: 12px; min-height: 52px; padding: 0 18px; border-radius: 16px; border: 2px solid var(--line); font-weight: 600; transition: border-color .2s, background-color .2s; }
.toggle__opt span::before { content: ""; width: 14px; height: 14px; border-radius: 50%; border: 2px solid var(--ink-2); flex: none; }
.toggle__opt--warm input:checked + span { border-color: var(--warm); background: var(--warm-t); }
.toggle__opt--warm input:checked + span::before { background: var(--warm); border-color: var(--warm); }
.toggle__opt--cold input:checked + span { border-color: var(--cold); background: var(--cold-t); }
.toggle__opt--cold input:checked + span::before { background: var(--cold); border-color: var(--cold); }
.toggle__opt:not(.toggle__opt--warm):not(.toggle__opt--cold) input:checked + span { border-color: var(--ink); background: var(--soft); }
.toggle__opt:not(.toggle__opt--warm):not(.toggle__opt--cold) input:checked + span::before { background: var(--ink); border-color: var(--ink); }
.toggle__opt input:focus-visible + span { outline: 3px solid var(--cold-2); outline-offset: 3px; }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.field { display: grid; gap: 6px; }
.field label { font-weight: 700; font-size: .9375rem; }
.field input, .field textarea { font: inherit; color: var(--ink); background: #fff; border: 2px solid #A7AFB8; border-radius: 14px; padding: 12px 14px; min-height: 50px; width: 100%; }
.field input:focus, .field textarea:focus { outline: none; border-color: var(--cold-2); box-shadow: 0 0 0 3px rgba(10, 123, 216, .2); }
.field.has-error input { border-color: var(--warm); }
.field__err { color: var(--warm); font-weight: 700; font-size: .9375rem; }
.form .pill { justify-self: start; }
.form__hint { padding: 12px 14px; border-radius: 14px; background: var(--warm-t); color: #5A1009; }
.form__hint a { color: var(--warm); font-weight: 800; }
.form__done { padding: 14px 16px; border-radius: 14px; background: var(--soft); }
@media (max-width: 860px) { .contact__grid { grid-template-columns: 1fr; } }
@media (max-width: 480px) { .form__row { grid-template-columns: 1fr; } }

/* FOOTER */
.foot { padding: 32px 0 110px; border-top: 1px solid var(--line); color: var(--ink-2); font-size: .9688rem; }
.foot__grid { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 26px; }
.foot__logo { width: 64px; color: var(--ink); }
.foot a { color: var(--ink); font-weight: 700; text-decoration: none; }

/* ontwerpwissel en belbalk */
.switch { position: fixed; left: 50%; transform: translateX(-50%); bottom: 14px; z-index: 35; display: flex; gap: 3px; padding: 4px; border-radius: 999px; background: #fff; border: 1px solid var(--line); box-shadow: 0 8px 24px rgba(18, 24, 32, .15); }
.switch[hidden] { display: none; }
.switch a { width: 32px; height: 32px; border-radius: 50%; display: grid; place-items: center; text-decoration: none; font-weight: 800; font-size: .875rem; color: var(--ink-2); }
.switch a[aria-current] { background: linear-gradient(135deg, var(--warm-2), var(--cold-2)); color: #fff; }
.callbar { position: fixed; left: 0; right: 0; bottom: 0; z-index: 30; display: none; grid-template-columns: 1fr 1fr; gap: 8px; padding: 8px 8px calc(8px + env(safe-area-inset-bottom)); background: #fff; border-top: 1px solid var(--line); transform: translateY(110%); transition: transform .45s var(--ease); }
.callbar.is-on { transform: none; }
.callbar__btn { display: grid; place-items: center; min-height: 50px; border-radius: 999px; background: var(--ink); color: #fff; font-weight: 700; text-decoration: none; }
.callbar__btn--red { background: var(--warm); }
@media (max-width: 760px) { .callbar { display: grid; } .switch { display: none !important; } html { scroll-padding-bottom: 80px; } }

@media (prefers-reduced-motion: no-preference) {
  .js [data-reveal] { opacity: 0; transform: translateY(20px); }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .split { transition: none; }
}