/* Warmveld: the thermal camera. Heat is invisible, this page shows it.
   The ramp below is the only vivid colour and the only gradient, because it carries meaning. */
@font-face { font-family: "Archivo"; src: url("fonts/archivo-var-latin.woff2") format("woff2"); font-weight: 600 900; font-stretch: 75% 100%; font-style: normal; font-display: swap; }
@font-face { font-family: "Source Sans 3"; src: url("fonts/source-sans-3-var-latin.woff2") format("woff2"); font-weight: 200 900; font-style: normal; font-display: swap; }

:root {
  --ink: #15112B;
  --muted: #4A4763;
  --mist: #C9C7DA;
  --dim: #9A96B5;
  --cold-surface: #E9EDF5;
  --warm-surface: #FBF1E6;
  --line: #C8C8D6;
  --line-dark: #3A3555;

  --t0: #140A3C;
  --t1: #5A189A;
  --t2: #C1197C;
  --t3: #F2651D;
  --t4: #FFC629;
  --ramp: linear-gradient(90deg, var(--t0), var(--t1), var(--t2), var(--t3), var(--t4));

  --cta: #FF6A13;
  --cta-hover: #FF8A3D;
  --link: #5A189A;
  --input: #6E6B86;

  --head: "Archivo", "Arial Narrow", Arial, sans-serif;
  --body: "Source Sans 3", "Helvetica Neue", Arial, sans-serif;

  --nav-h: 64px;
  --gutter: clamp(16px, 3.6vw, 40px);
  --edge: max(var(--gutter), calc((100vw - 1240px) / 2 + var(--gutter)));
}

*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }

html { scroll-padding-top: calc(var(--nav-h) + 16px); -webkit-text-size-adjust: 100%; }
/* The page warms from top to bottom: cool at the hero, faint warmth at the contact section. */
body {
  hyphens: manual;
  margin: 0; color: var(--ink); font-family: var(--body); font-size: 1.125rem; line-height: 1.55;
  background: linear-gradient(180deg, var(--cold-surface) 0%, #EFF0F4 45%, #F6F2EE 78%, var(--warm-surface) 100%);
  overflow-x: clip;
}
img { display: block; max-width: 100%; height: auto; }
p { margin: 0 0 1em; max-width: 66ch; }
p:last-child { margin-bottom: 0; }
ul, ol, dl, dd { margin: 0; padding: 0; list-style: none; }
figure { margin: 0; }
button, input, textarea { font: inherit; color: inherit; }
a { color: var(--link); text-underline-offset: 2px; }
a:hover { color: var(--ink); }
:focus-visible { outline: 3px solid var(--t1); outline-offset: 2px; }

h1, h2, h3, .brand { font-family: var(--head); margin: 0; }
h1 { font-weight: 800; font-stretch: 85%; letter-spacing: -0.015em; line-height: .98; }
h2 { font-weight: 800; font-stretch: 85%; letter-spacing: -0.01em; font-size: clamp(2.25rem, 1.3rem + 4vw, 4.75rem); line-height: 1; max-width: 18ch; margin-bottom: .55em; }
h3 { font-weight: 800; font-stretch: 88%; font-size: clamp(1.375rem, 1.2rem + .6vw, 1.75rem); line-height: 1.12; }

.wrap { width: 100%; max-width: 1240px; margin-inline: auto; padding-inline: var(--gutter); }
.skip { position: absolute; left: 8px; top: -60px; z-index: 100; padding: 8px 14px; background: var(--t4); color: var(--ink); }
.skip:focus { top: 8px; color: var(--ink); }

/* Buttons: hot orange with ink text (6.4:1) */
.btn {
  display: inline-block; padding: 14px 24px; border: 0; border-radius: 3px;
  background: var(--cta); color: var(--ink);
  font-family: var(--head); font-stretch: 92%; font-weight: 700; font-size: 1.125rem; line-height: 1.15;
  text-decoration: none; text-align: center; white-space: nowrap; cursor: pointer;
}
.btn:hover { background: var(--cta-hover); color: var(--ink); }
.btn--small { padding: 9px 14px; font-size: 1rem; }
.btn--plain { background: none; color: var(--ink); box-shadow: inset 0 0 0 2px var(--ink); }
.btn--plain:hover { background: var(--ink); color: #fff; }

/* Thermal legend */
.ramp { display: inline-flex; align-items: center; gap: 8px; font-size: .875rem; }
.ramp i { display: block; width: 88px; height: 8px; background: var(--ramp); }

/* Nav: ink, with the warming line along the bottom */
.nav { position: sticky; top: 0; z-index: 50; background: var(--ink); color: #fff; }
.nav__inner { display: flex; align-items: center; gap: 8px 24px; min-height: var(--nav-h); padding-inline: var(--gutter); }
.brand { font-weight: 800; font-stretch: 85%; font-size: 1.625rem; line-height: 1; color: #fff; text-decoration: none; margin-right: auto; }
a.brand:hover { color: var(--t4); }
.nav__links { display: none; gap: 24px; }
.nav__links a { color: #fff; text-decoration: none; }
.nav__links a:hover { color: var(--t4); text-decoration: underline; }
.lang { display: flex; }
.lang__btn { min-width: 36px; min-height: 36px; padding: 0 6px; border: 0; background: none; color: var(--mist); cursor: pointer; font-size: 1rem; }
.lang__btn[aria-pressed="true"] { color: #fff; font-weight: 600; text-decoration: underline; text-underline-offset: 4px; }
.nav :focus-visible, .hero :focus-visible, .calc__result :focus-visible, .heat :focus-visible, .footer-dark :focus-visible { outline-color: var(--t4); }
.nav__progress { display: none; }
.js .nav__progress { display: block; position: absolute; left: 0; right: 0; bottom: 0; height: 3px; background: var(--ramp); clip-path: inset(0 calc(100% - var(--progress, 0%)) 0 0); }
@media (min-width: 960px) { .nav__links { display: flex; } }
@media (max-width: 480px) {
  .nav__inner { gap: 4px; }
  .brand { font-size: 1.375rem; }
  .btn--small { padding: 8px 10px; font-size: .9375rem; }
  .lang__btn { min-width: 32px; padding: 0 2px; }
}

@media (max-width: 350px) {
  .brand { font-size: 1.1875rem; }
  .btn--small { padding: 7px 7px; font-size: .8125rem; }
  .lang__btn { min-width: 26px; font-size: .9375rem; }
}

/* Hero: the signature. Stacked by default; from 1100px the photo fills the height and the
   headline runs over its edge on solid ink, so type never sits directly on the picture. */
.hero { background: var(--ink); color: #fff; }
.hero__title { padding: 28px var(--gutter) 24px; font-size: clamp(2.75rem, 1rem + 8.6vw, 6rem); max-width: 15em; }
.hero__stage { position: relative; aspect-ratio: 5 / 4; overflow: hidden; touch-action: pan-y; background: var(--t0); --r: clamp(96px, 30vw, 220px); --x: 36%; --y: 80%; }
.hero__stage img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 40% 50%; user-select: none; -webkit-user-drag: none; }
/* Static state (no JS, reduced motion): thermal on the left, photo on the right */
.hero__thermal { visibility: hidden; }
.hero__thermal.is-ready { visibility: visible; }
.hero__thermal { -webkit-mask-image: linear-gradient(90deg, #000 50%, transparent 50%); mask-image: linear-gradient(90deg, #000 50%, transparent 50%); }
.hero__stage.is-lens .hero__thermal {
  -webkit-mask-image: radial-gradient(circle var(--r) at var(--x) var(--y), #000 62%, transparent 100%);
  mask-image: radial-gradient(circle var(--r) at var(--x) var(--y), #000 62%, transparent 100%);
}
.hero__stage.is-full .hero__thermal { -webkit-mask-image: none; mask-image: none; }
.hero__caption { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 16px; padding: 12px var(--gutter); font-size: .9375rem; color: var(--mist); }
.hero__hint { display: none; color: #fff; }
.js .hero__hint--mouse { display: inline; }
@media (pointer: coarse) { .js .hero__hint--mouse { display: none; } .js .hero__hint--touch { display: inline; } }
.no-lens .hero__hint { display: none !important; }
.hero__toggle { display: none; padding: 6px 10px; background: none; border: 1px solid var(--dim); border-radius: 3px; color: #fff; font-size: .9375rem; cursor: pointer; }
.js .hero__toggle { display: inline-block; }
.hero__toggle:hover, .hero__toggle[aria-pressed="true"] { background: #fff; color: var(--ink); border-color: #fff; }
.hero__labels { flex-basis: 100%; }
.hero__text { padding: 20px var(--gutter) 40px; }
.hero__body { font-size: 1.1875rem; color: #fff; margin-bottom: 22px; }

@media (min-width: 720px) and (max-width: 1099px) {
  .hero__stage { aspect-ratio: 16 / 10; }
  .hero__text { display: grid; grid-template-columns: 1fr auto; gap: 32px; align-items: end; }
  .hero__body { margin: 0; }
}
@media (min-width: 1100px) {
  .hero { display: grid; grid-template-columns: minmax(0, 1fr) min(70vw, 1600px); grid-template-rows: auto 1fr; min-height: min(calc(100svh - var(--nav-h)), 1000px); position: relative; }
  .hero__figure { grid-column: 2; grid-row: 1 / 3; position: relative; min-height: 0; }
  .hero__stage { position: absolute; inset: 0; aspect-ratio: auto; --r: clamp(150px, 15vw, 260px); }
  /* Headline strips of solid ink run over the sofa side of the photo */
  .hero__title { grid-column: 1 / 3; grid-row: 1; position: relative; z-index: 2; padding: clamp(20px, 4vh, 44px) 0 0 var(--gutter); max-width: none; pointer-events: none; font-size: min(6.5vw, 11.2vh); }
  .hero__title span { display: inline; background: var(--ink); -webkit-box-decoration-break: clone; box-decoration-break: clone; padding: 0 .16em .04em 0; }
  .hero__title { width: min(46vw, 8.1em); }
  .hero__text { grid-column: 1; grid-row: 2; align-self: end; padding: 20px 28px 32px var(--gutter); }
  .hero__body { font-size: 1.0625rem; line-height: 1.45; }
  /* Caption sits in a notch in the lower right corner */
  .hero__caption { position: absolute; right: 0; bottom: 0; z-index: 2; max-width: 480px; background: var(--ink); padding: 10px 16px 10px 14px; font-size: .875rem; }
}

/* Calculator: controls on the page, result on a block of ink that bleeds to the right edge */
.calc { display: grid; }
.calc__inputs { padding: clamp(40px, 6vw, 72px) var(--gutter) 32px; }
.calc__inputs h2 { font-size: clamp(2rem, 1.2rem + 3vw, 3.5rem); max-width: 14ch; }
.calc__types { border: 0; margin: 0; padding: 0; }
.calc__types legend, .calc__label { font-weight: 600; padding: 0; }
.calc__types legend { margin-bottom: 4px; }
.opt { display: flex; gap: 12px; align-items: flex-start; padding: 12px 0; border-bottom: 1px solid var(--line); cursor: pointer; }
.opt input { flex: none; width: 20px; height: 20px; margin: 3px 0 0; accent-color: var(--t1); cursor: pointer; }
.opt__title { display: block; font-weight: 600; }
.opt__desc { display: block; color: var(--muted); font-size: 1rem; }
.calc__area { margin-top: 24px; }
.calc__label { display: flex; justify-content: space-between; align-items: baseline; }
.calc__label output { font-family: var(--head); font-weight: 800; font-stretch: 85%; font-size: 1.75rem; font-variant-numeric: tabular-nums; }
input[type="range"] { display: block; width: 100%; height: 36px; margin: 4px 0 0; accent-color: var(--t1); cursor: pointer; }
.calc__scale { display: flex; justify-content: space-between; font-size: .9375rem; color: var(--muted); }

.calc__result { background: var(--ink); color: #fff; padding: 36px var(--gutter) 44px; }
.calc__resultinner { container-type: inline-size; }
.calc__resultlabel { font-weight: 600; margin: 0; color: var(--mist); }
.calc__total { margin: 4px 0 20px; max-width: none; font-family: var(--head); font-weight: 800; font-stretch: 78%; font-size: clamp(1.75rem, 12.4cqi, 5.5rem); line-height: 1.05; white-space: nowrap; letter-spacing: -0.01em; color: var(--t4); font-variant-numeric: tabular-nums; }
.calc__lines { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; margin-bottom: 16px; }
.calc__lines th, .calc__lines td { padding: 8px 0; border-top: 1px solid var(--line-dark); font-weight: 400; text-align: left; vertical-align: top; }
.calc__lines td { text-align: right; white-space: nowrap; padding-left: 12px; }
.calc__warn { padding-left: 12px; border-left: 3px solid var(--t4); font-weight: 600; }
.calc__note { font-size: 1rem; color: var(--mist); margin-bottom: 20px; }
@media (min-width: 960px) {
  .calc { grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr); }
  .calc__inputs { padding: 72px 56px 72px var(--edge); }
  .calc__result { display: flex; align-items: center; padding: 56px var(--edge) 56px 56px; margin-top: -48px; }
  .calc__resultinner { width: 100%; }
}

/* Pain points: big punch, then the plain answer */
.pains { padding-block: clamp(64px, 9vw, 120px) clamp(56px, 7vw, 96px); }
.pains__list { max-width: 980px; }
.pains__list li { padding: 18px 0 20px; border-top: 2px solid var(--ink); }
.pains__list strong { display: block; font-family: var(--head); font-weight: 800; font-stretch: 85%; font-size: clamp(1.625rem, 1.25rem + 1.7vw, 2.75rem); line-height: 1.05; margin-bottom: 6px; }
.pains__list span { display: block; max-width: 62ch; color: var(--ink); }

/* The one dark band: the tool, then the heat pump, then the photo as a break */
.heat { background: var(--ink); color: #fff; padding-block: clamp(56px, 7vw, 96px); }
.heat p { color: var(--mist); }
.heat h2 { max-width: 16ch; }
.heat__tool { display: grid; grid-template-columns: 1fr 1fr; gap: 28px clamp(16px, 4vw, 56px); margin-top: 8px; }
.heat__middle { grid-column: 1 / -1; min-width: 0; }
.heat__side { min-width: 0; overflow-wrap: anywhere; }
@media (max-width: 719px) { .heat__side { hyphens: auto; } }
#sideFloor { justify-self: end; max-width: 100%; }
.heat__name { font-family: var(--head); font-weight: 700; font-stretch: 90%; font-size: 1.25rem; color: #fff !important; margin-bottom: 0; }
.heat__num { font-family: var(--head); font-weight: 800; font-stretch: 75%; font-size: min(11.5vw, 7.5rem); line-height: .95; letter-spacing: -0.02em; color: #fff !important; margin: 2px 0 10px; white-space: nowrap; font-variant-numeric: tabular-nums; }
.heat__num--hot { color: var(--t4) !important; }
.heat__water { font-size: 1rem; }
.heat__side p:last-child { color: #fff; font-weight: 600; }
.heat__side.is-dim .heat__num, .heat__side.is-dim .heat__name, .heat__side.is-dim p:last-child { color: var(--dim) !important; }

.room { position: relative; aspect-ratio: 16 / 9; overflow: hidden; cursor: ew-resize; touch-action: pan-y; user-select: none; --p: 40%; background: var(--t0); }
.room img, .room__svg { position: absolute; inset: 0; width: 100%; height: 100%; display: block; max-width: none; -webkit-user-drag: none; }
.room img { object-fit: fill; }
.room__svg * { vector-effect: non-scaling-stroke; }
.room__person { position: absolute; left: 50%; bottom: 8.2%; height: 64.3%; aspect-ratio: 152 / 463; transform: translateX(-50%); fill: none; stroke: #fff; stroke-width: 3; opacity: .9; }
.room__person * { vector-effect: non-scaling-stroke; }
.room__radiator { position: absolute; inset: 0; clip-path: inset(0 calc(100% - var(--p)) 0 0); }
.room__outline { fill: none; stroke: #fff; stroke-width: 3; opacity: .9; }
.room__rad rect { fill: none; stroke: #fff; stroke-width: 3; }
.room__pipes circle { fill: var(--t0); stroke: #fff; stroke-width: 2.5; }
.room__handle { position: absolute; top: 0; bottom: 0; left: var(--p); width: 3px; margin-left: -1.5px; background: #fff; }
.room::after { content: ""; position: absolute; top: 50%; left: clamp(18px, var(--p), calc(100% - 18px)); width: 36px; height: 36px; margin: -18px 0 0 -18px; background: #fff center / 22px no-repeat url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2315112B' stroke-width='2.4'%3E%3Cpath d='M9 6l-6 6 6 6M15 6l6 6-6 6'/%3E%3C/svg%3E"); }
.room__controls { display: none; }
.js .room__controls { display: grid; grid-template-columns: auto 1fr auto; gap: 12px; align-items: center; margin-top: 12px; }
.room__controls input[type="range"] { margin: 0; accent-color: var(--t4); }
.room__btn { padding: 8px 12px; background: none; border: 1px solid var(--dim); border-radius: 3px; color: #fff; font-size: 1rem; cursor: pointer; }
.room__btn:hover, .room__btn[aria-pressed="true"] { background: #fff; color: var(--ink); border-color: #fff; }
.heat__label { margin-top: 12px; font-size: .9375rem; color: var(--mist); }
.heat__label .ramp { margin-right: 8px; vertical-align: middle; }

.heat__pump { margin-top: clamp(48px, 6vw, 80px); max-width: 720px; margin-left: auto; }
.heat__pump h3 { font-size: clamp(1.75rem, 1.4rem + 1.5vw, 2.75rem); margin-bottom: 14px; color: #fff; }

@media (max-width: 719px) { .room { aspect-ratio: 4 / 3; } }
@media (min-width: 720px) { .room { aspect-ratio: 2 / 1; } }

/* Photo break, running straight on from the dark band */
.break { background: var(--ink); color: var(--mist); }
.break img { width: 100%; max-width: 1600px; margin-inline: auto; }
.break figcaption { max-width: 1240px; margin-inline: auto; padding: 12px var(--gutter) 16px; font-size: .9375rem; }

/* Steps: photos bleed and overlap instead of a tidy grid */
.steps-sec { padding-block: clamp(64px, 9vw, 120px) clamp(48px, 7vw, 96px); }
.steps { display: grid; gap: 44px; padding-inline: var(--gutter); }
.step h3 { margin: 2px 0 8px; }
.step figure { margin-bottom: 16px; }
.step figcaption { margin-top: 6px; font-size: .9375rem; color: var(--muted); }
.step__n { display: block; font-family: var(--head); font-weight: 800; font-stretch: 75%; font-size: clamp(3.5rem, 2.8rem + 3vw, 6rem); line-height: .9; }
.step--1 .step__n { color: var(--t1); }
.step--2 .step__n { color: #A8126C; }
.step--3 .step__n { color: #B83A06; }
.step--4 .step__n { color: #8F5A00; }
.step--2 figure { margin-inline: calc(-1 * var(--gutter)); }
.step--2 figcaption { padding-inline: var(--gutter); }
@media (min-width: 1000px) {
  .steps { grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 0 32px; max-width: none; padding-inline: 0 var(--edge); }
  /* Big channels photo bleeds off the left edge, step 1 sits over its top right corner */
  .step--2 { grid-column: 1 / 9; grid-row: 1 / 3; }
  .step--2 figure { margin-inline: 0; }
  .step--2 figcaption { padding-left: var(--edge); padding-right: 0; }
  .step--2 .step__text { padding-left: var(--edge); margin-top: 8px; max-width: calc(var(--edge) + 560px); }
  .step--1 { grid-column: 9 / 13; grid-row: 1; padding-top: 24px; }
  /* Portrait manifold photo runs down the right-hand side, overlapping the channels photo.
     Its step text joins the left column, so the numbers read straight down. */
  .step--3 { display: contents; }
  .step--3 figure { grid-column: 8 / 13; grid-row: 2 / 5; align-self: start; margin: 56px 0 0; position: relative; z-index: 1; }
  .step--3 .step__text { grid-column: 1 / 8; grid-row: 3; padding-left: var(--edge); padding-top: 40px; max-width: calc(var(--edge) + 560px); }
  .step--4 { grid-column: 1 / 8; grid-row: 4; padding-left: var(--edge); padding-top: 40px; max-width: calc(var(--edge) + 560px); }
}

/* Water or electric */
.sys h2 { max-width: 22ch; }
.sys { padding-block: clamp(40px, 5vw, 72px) clamp(56px, 7vw, 96px); }
.compare { width: 100%; border-collapse: collapse; }
.compare td, .compare th { overflow-wrap: anywhere; }
.compare th, .compare td { padding: 14px 24px 14px 0; text-align: left; vertical-align: top; border-top: 1px solid var(--line); font-weight: 400; }
.compare thead th { font-family: var(--head); font-weight: 800; font-stretch: 85%; font-size: clamp(1.5rem, 1.2rem + 1.2vw, 2.25rem); line-height: 1.1; border-top: 0; }
.compare thead td { border-top: 0; }
.compare tbody tr:first-child > * { border-top: 2px solid var(--ink); }
.compare tbody th { font-weight: 600; width: 18%; }
@media (max-width: 719px) {
  .compare, .compare thead, .compare tbody { display: block; }
  .compare tr { display: grid; grid-template-columns: 1fr 1fr; column-gap: 16px; }
  .compare thead td { display: none; }
  .compare th, .compare td { padding: 0 0 12px; border-top: 0; font-size: 1rem; }
  .compare thead th { padding-bottom: 8px; font-size: clamp(1.125rem, 5.6vw, 1.375rem); }
  .compare tbody th { grid-column: 1 / -1; width: auto; padding-top: 10px; padding-bottom: 2px; border-top: 1px solid var(--line); }
  .compare tbody tr:first-child > * { border-top: 0; }
  .compare tbody tr:first-child th { border-top: 2px solid var(--ink); }
}

/* Questions */
.faq-sec { padding-block: clamp(40px, 5vw, 72px) clamp(56px, 7vw, 96px); }
.qa { display: grid; gap: 0 64px; }
@media (min-width: 960px) { .qa { grid-template-columns: 4fr 8fr; } }
.qa h2 { font-size: clamp(2rem, 1.2rem + 3vw, 3.5rem); }
.faq > div { padding: 16px 0; border-top: 1px solid var(--line); }
.faq dt { font-family: var(--head); font-weight: 700; font-stretch: 90%; font-size: 1.25rem; line-height: 1.2; margin-bottom: 4px; }
.faq dd { max-width: 66ch; }

/* Contact */
.contact-sec { padding-block: clamp(56px, 7vw, 96px); border-top: 2px solid var(--ink); }
.contact { display: grid; gap: 40px; }
@media (min-width: 960px) { .contact { grid-template-columns: 5fr 7fr; gap: 72px; } }
.lead { display: grid; grid-template-columns: 1fr; gap: 18px 16px; }
@media (min-width: 560px) { .lead { grid-template-columns: 1fr 1fr; } .field { grid-column: 1 / -1; } .field--half { grid-column: span 1; } }
.field { display: grid; gap: 4px; align-content: start; }
.field label { font-weight: 600; }
.opt-tag { font-weight: 400; color: var(--muted); }
.field input, .field textarea { width: 100%; min-height: 46px; padding: 10px 12px; border: 1px solid var(--input); border-radius: 3px; background: #fff; }
.field textarea { min-height: 112px; resize: vertical; }
.field input::placeholder, .field textarea::placeholder { color: var(--muted); }
.field input:focus, .field textarea:focus { outline: 3px solid var(--t1); outline-offset: 0; border-color: var(--t1); }
.field.has-error input { border: 2px solid var(--ink); }
.field__err { margin: 0; font-size: 1rem; font-weight: 600; }
.lead__submit { grid-column: 1 / -1; justify-self: start; white-space: normal; }
.thanks:focus { outline: none; }
.thanks h3 { margin-bottom: 10px; font-size: 1.75rem; }

/* Footer */
.footer { background: var(--ink); color: var(--mist); padding-block: 40px 24px; font-size: 1rem; }
.footer a { color: #fff; }
.footer a:hover { color: var(--t4); }
.footer :focus-visible { outline-color: var(--t4); }
.footer__grid { display: grid; gap: 24px; }
@media (min-width: 760px) { .footer__grid { grid-template-columns: 1fr 2fr; gap: 48px; } }
.footer .brand { margin-bottom: .4em; }
.sources summary { cursor: pointer; font-weight: 600; color: #fff; }
.sources ul { margin-top: 8px; }
.sources li { padding: 2px 0; }
.footer__base { margin: 24px auto 0; max-width: 1240px; }

/* Reduced motion: no sweep, no scroll-linked line, only the static split. */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; scroll-behavior: auto !important; }
  .js .nav__progress { display: none; }
}