/* ============================================================
   A1 Hardwood Floor Refinishing — base styles
   Palette taken from the logo (walnut brown #744A31)
   ============================================================ */
:root {
  --paper: #f7f3ed;
  --paper-2: #efe8de;
  --card: #fffdf9;
  --ink: #1d1915;
  --ink-2: #4a423a;
  --muted: #6b6157;
  --line: #e1d8cb;
  --walnut: #744a31;
  --walnut-dark: #57361f;
  --oak: #c9a882;
  --oak-light: #e9dcc8;
  --ok: #4f6b45;

  --radius: 14px;
  --radius-sm: 8px;
  --shadow: 0 1px 2px rgba(40, 25, 10, .05), 0 12px 32px -12px rgba(40, 25, 10, .18);
  --max: 1200px;
  --gutter: clamp(16px, 4vw, 40px);

  --f-sans: "Jost", "Futura", "Avenir Next", system-ui, sans-serif;
  --f-serif: "Instrument Serif", "Times New Roman", serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--f-sans);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; }
button, input, select, textarea { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--walnut); outline-offset: 3px; border-radius: 4px; }

.container { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 var(--gutter); }
.section { padding: clamp(72px, 10vw, 140px) 0; }
.section--tight { padding: clamp(48px, 7vw, 90px) 0; }
.section--alt { background: var(--paper-2); }
.section--dark { background: var(--ink); color: var(--paper); }

/* ---------- Type ---------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 12px; letter-spacing: .18em; text-transform: uppercase;
  color: var(--walnut); font-weight: 500;
}
.eyebrow::before { content: ""; width: 28px; height: 1px; background: currentColor; }
.section--dark .eyebrow { color: var(--oak); }
h1, h2, h3, h4 { margin: 0; font-weight: 500; line-height: 1.08; letter-spacing: -.02em; }
h1 { font-size: clamp(42px, 7vw, 92px); }
h2 { font-size: clamp(32px, 4.6vw, 58px); }
h3 { font-size: clamp(20px, 2vw, 24px); letter-spacing: -.01em; }
.serif { font-family: var(--f-serif); font-weight: 400; font-style: italic; letter-spacing: -.01em; }
.lead { font-size: clamp(18px, 1.6vw, 21px); color: var(--ink-2); max-width: 60ch; }
.section--dark .lead { color: #cfc5b8; }
.muted { color: var(--muted); }
.small { font-size: 14px; }
.section-head { display: grid; gap: 20px; margin-bottom: clamp(40px, 6vw, 72px); max-width: 780px; }
.section-head--split { max-width: none; grid-template-columns: 1fr 1fr; align-items: end; gap: 40px; }
@media (max-width: 820px) { .section-head--split { grid-template-columns: 1fr; gap: 20px; } }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 15px 26px; border-radius: 999px; border: 1px solid transparent;
  font-size: 15px; font-weight: 500; letter-spacing: .01em; text-decoration: none;
  cursor: pointer; transition: background .25s, color .25s, border-color .25s, transform .25s;
  white-space: nowrap;
}
.btn svg { width: 16px; height: 16px; transition: transform .25s; }

.btn--primary { background: var(--walnut); color: #fff; }
.btn--primary:hover { background: var(--walnut-dark); }
.btn--ghost { border-color: var(--ink); color: var(--ink); background: transparent; }
.btn--ghost:hover { background: var(--ink); color: var(--paper); }
.btn--light { background: var(--paper); color: var(--ink); }
.btn--light:hover { background: #fff; }
.btn--block { width: 100%; }

/* ---------- Header ---------- */
.header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(247, 243, 237, .82);
  backdrop-filter: saturate(1.4) blur(14px); -webkit-backdrop-filter: saturate(1.4) blur(14px);
  border-bottom: 1px solid transparent; transition: border-color .3s;
}
.header.is-scrolled { border-bottom-color: var(--line); }
.header__inner { display: flex; align-items: center; justify-content: space-between; height: 76px; gap: 24px; }
.brand { display: flex; align-items: center; text-decoration: none; }
/* Logo: grain mark + typeset wordmark (crisp at any size) */
.brand { gap: 12px; color: var(--walnut); }
.brand__mark { height: 40px; width: auto; flex: none; transition: transform 420ms var(--ease-out); }
.brand__word { display: grid; grid-template-columns: auto auto; align-items: center; column-gap: 10px; line-height: 1; }
.brand__word strong { font-size: 30px; font-weight: 600; letter-spacing: -.04em; color: var(--walnut); }
.brand__word > span { font-size: 10.5px; font-weight: 500; letter-spacing: .16em; text-transform: uppercase; line-height: 1.25; color: var(--ink-2); padding-left: 10px; border-left: 1px solid var(--line); }
@media (hover: hover) and (pointer: fine) { .brand:hover .brand__mark { transform: rotate(-4deg) scale(1.04); } }
.brand--footer { margin-bottom: 20px; }
.brand--footer .brand__mark { height: 46px; filter: brightness(0) invert(.92) sepia(.25); }
.brand--footer .brand__word strong { color: var(--paper); }
.brand--footer .brand__word > span { color: #bdb2a5; border-left-color: rgba(255,255,255,.18); }
@media (max-width: 340px) { .brand__word > span { display: none; } }
.nav { display: flex; align-items: center; gap: 32px; }
.nav a { text-decoration: none; font-size: 15px; color: var(--ink-2); position: relative; }
.nav a::after {
  content: ""; position: absolute; left: 0; bottom: -4px; height: 1px; width: 100%;
  background: currentColor; transform: scaleX(0); transform-origin: left; transition: transform .3s;
}
.nav a:hover, .nav a[aria-current="page"] { color: var(--ink); }
.nav a[aria-current="page"]::after { transform: scaleX(1); }
.header .btn { padding: 11px 20px; font-size: 14px; }
.menu-toggle { display: none; background: none; border: 0; padding: 8px; cursor: pointer; }
.menu-toggle span { display: block; width: 22px; height: 1.5px; background: var(--ink); margin: 5px 0; transition: transform .3s, opacity .3s; }

@media (max-width: 960px) {
  .menu-toggle { display: block; }
  .header .btn { display: none; }
  .nav {
    position: fixed; inset: 76px 0 auto 0; flex-direction: column; align-items: flex-start; gap: 0;
    background: var(--paper); border-bottom: 1px solid var(--line);
    padding: 8px var(--gutter) 24px;
    transform: translateY(-8px); opacity: 0; pointer-events: none; transition: opacity .25s, transform .25s;
  }
  .nav a { width: 100%; padding: 14px 0; font-size: 20px; border-bottom: 1px solid var(--line); }
  .nav a::after { display: none; }
  .nav .btn { display: inline-flex; margin-top: 20px; }
  body.menu-open .nav { opacity: 1; transform: none; pointer-events: auto; }
  body.menu-open .menu-toggle span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
  body.menu-open .menu-toggle span:nth-child(2) { opacity: 0; }
  body.menu-open .menu-toggle span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }
}
@media (min-width: 961px) { .nav .btn { display: none; } }
.nav a.btn--primary, .nav a.btn--primary:hover { color: #fff; }
.nav a.btn::after { display: none; }

/* ---------- Hero ---------- */
.hero { padding: clamp(40px, 6vw, 80px) 0 0; }
.hero__grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(32px, 5vw, 72px); align-items: end; }
.hero__copy { display: grid; gap: 28px; padding-bottom: clamp(8px, 3vw, 40px); }
.hero h1 .serif { color: var(--walnut); }
.hero__question {
  border-left: 2px solid var(--walnut); padding: 4px 0 4px 18px;
  font-family: var(--f-serif); font-style: italic; font-size: clamp(20px, 2vw, 25px); color: var(--ink-2);
  max-width: 34ch;
}
.hero__actions { display: flex; flex-wrap: wrap; gap: 12px; }
.hero__media { position: relative; border-radius: var(--radius); overflow: hidden; aspect-ratio: 4 / 4.4; box-shadow: var(--shadow); }
.hero__media img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 0%; transform-origin: 60% 0%; transform: scale(1.6); transition: transform 1.6s cubic-bezier(.2,.7,.2,1); }
.hero__media.is-in img { transform: scale(1.5); }
.hero__badge {
  position: absolute; left: 18px; bottom: 18px; right: 18px;
  display: flex; justify-content: space-between; align-items: center; gap: 12px;
  background: rgba(255, 253, 249, .9); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  border-radius: 12px; padding: 14px 18px; font-size: 14px;
}
.hero__badge strong { display: block; font-weight: 500; font-size: 15px; }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--ok); display: inline-block; margin-right: 8px; box-shadow: 0 0 0 4px rgba(79,107,69,.15); }
.hero__stats { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); margin-top: clamp(48px, 6vw, 80px); }
.hero__stats > div { padding: 26px 0; }
.hero__stats > div + div { border-left: 1px solid var(--line); padding-left: clamp(16px, 3vw, 36px); }
.hero__stats strong { display: block; font-size: clamp(26px, 3vw, 38px); font-weight: 500; letter-spacing: -.02em; }
.hero__stats span { font-size: 14px; color: var(--muted); }
@media (max-width: 900px) {
  .hero__grid { grid-template-columns: 1fr; }
  .hero__media { aspect-ratio: 4 / 3.4; }
}
@media (max-width: 560px) {
  .hero__stats { grid-template-columns: 1fr; }
  .hero__stats > div + div { border-left: 0; border-top: 1px solid var(--line); padding-left: 0; }
}

/* ---------- Strategy finder ---------- */
.finder { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(24px, 4vw, 56px); align-items: start; }
.finder__steps { display: grid; gap: 28px; }
.q { display: grid; gap: 12px; }
.q__label { font-size: 14px; color: var(--muted); display: flex; gap: 10px; }
.q__label b { color: var(--walnut); font-weight: 500; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  border: 1px solid var(--line); background: var(--card); border-radius: 999px;
  padding: 10px 18px; font-size: 15px; cursor: pointer; transition: background-color .2s, color .2s, border-color .2s;
}

.chip[aria-pressed="true"] { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.finder__result {
  position: sticky; top: 100px;
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: clamp(24px, 3vw, 36px); display: grid; gap: 18px; box-shadow: var(--shadow);
  min-height: 340px;
}
.finder__result .tag { font-size: 12px; letter-spacing: .16em; text-transform: uppercase; color: var(--muted); }
.finder__result h3 { font-size: clamp(26px, 3vw, 34px); }
.finder__result ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 10px; }
.finder__result li { display: flex; gap: 12px; color: var(--ink-2); font-size: 15px; }
.finder__result li::before { content: ""; flex: 0 0 6px; height: 6px; margin-top: 9px; border-radius: 50%; background: var(--walnut); }
.meter { display: grid; gap: 6px; }
.meter__row { display: flex; justify-content: space-between; font-size: 13px; color: var(--muted); }
.meter__bar { height: 6px; background: var(--paper-2); border-radius: 99px; overflow: hidden; }
.meter__bar i { display: block; height: 100%; width: 0; background: var(--walnut); border-radius: inherit; transition: width .6s cubic-bezier(.2,.7,.2,1); }
.fade-swap { animation: fadeSwap .45s ease; }
@keyframes fadeSwap { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
@media (max-width: 860px) { .finder { grid-template-columns: 1fr; } .finder__result { position: static; } }

/* ---------- Before / After ---------- */
.ba-tabs { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 24px; }
.ba-feature { display: grid; grid-template-columns: 1.6fr 1fr; gap: clamp(24px, 4vw, 48px); align-items: center; }
@media (max-width: 900px) { .ba-feature { grid-template-columns: 1fr; } }
.ba {
  position: relative; overflow: hidden; border-radius: var(--radius);
  aspect-ratio: 16 / 11; user-select: none; touch-action: pan-y; cursor: ew-resize;
  background: #2a2119; box-shadow: var(--shadow);
  --pos: 50%;
}
.ba__img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; pointer-events: none; }
.ba__before { position: absolute; inset: 0; clip-path: inset(0 calc(100% - var(--pos)) 0 0); }
/* "Before" look — simulated aged, amber, worn finish. Replace with real project photos. */
.ba__before .ba__img { filter: sepia(.75) saturate(1.5) hue-rotate(-12deg) brightness(.66) contrast(1.18); }
.ba__wear {
  position: absolute; inset: 0; pointer-events: none; mix-blend-mode: multiply; opacity: .9;
  background:
    radial-gradient(ellipse 22% 14% at 30% 72%, rgba(60,30,10,.55), transparent 70%),
    radial-gradient(ellipse 18% 10% at 68% 84%, rgba(50,25,8,.5), transparent 70%),
    radial-gradient(ellipse 30% 20% at 50% 95%, rgba(40,20,5,.45), transparent 70%),
    linear-gradient(180deg, rgba(120,70,20,.15), rgba(70,35,10,.35));
}
.ba__scratches { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; opacity: .55; mix-blend-mode: screen; }
.ba__label {
  position: absolute; top: 16px; padding: 6px 12px; border-radius: 99px;
  font-size: 12px; letter-spacing: .12em; text-transform: uppercase;
  background: rgba(29,25,21,.6); color: #fff; backdrop-filter: blur(6px); pointer-events: none;
}
.ba__label--before { left: 16px; }
.ba__label--after { right: 16px; background: rgba(255,253,249,.85); color: var(--ink); }
.ba__handle {
  position: absolute; top: 0; bottom: 0; left: var(--pos); width: 2px; margin-left: -1px;
  background: #fff; pointer-events: none;
}
.ba__knob {
  position: absolute; top: 50%; left: 50%; width: 52px; height: 52px; transform: translate(-50%, -50%);
  border-radius: 50%; background: #fff; display: grid; place-items: center;
  box-shadow: 0 6px 20px rgba(0,0,0,.25); transition: transform .2s;
}
.ba.is-dragging .ba__knob { transform: translate(-50%, -50%) scale(.92); }
.ba__knob svg { width: 22px; height: 22px; color: var(--ink); }
/* Real image pairs: no simulated ageing */
.ba.is-real .ba__before .ba__img { filter: none !important; }
.ba.is-real .ba__wear, .ba.is-real .ba__scratches { display: none; }
.ba__range { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0; cursor: ew-resize; margin: 0; }
.ba__note { position: absolute; right: 16px; bottom: 14px; font-size: 11px; color: rgba(255,255,255,.75); letter-spacing: .04em; pointer-events: none; }
.ba-info { display: grid; gap: 18px; }
.ba-info dl { margin: 0; display: grid; grid-template-columns: auto 1fr; gap: 10px 24px; font-size: 15px; border-top: 1px solid var(--line); padding-top: 18px; }
.ba-info dt { color: var(--muted); }
.ba-info dd { margin: 0; }
.ba-thumbs { display: grid; grid-template-columns: repeat(2, minmax(0, 260px)); gap: 12px; margin-top: 28px; }
.ba-thumb {
  border: 0; padding: 0; background: none; cursor: pointer; text-align: left; display: grid; gap: 8px;
  opacity: .55; transition: opacity .25s;
}
.ba-thumb[aria-pressed="true"] { opacity: 1; }
.ba-thumb span.img { display: block; aspect-ratio: 16/10; border-radius: var(--radius-sm); overflow: hidden; position: relative; }
.ba-thumb span.img img { width: 100%; height: 100%; object-fit: cover; }
.ba-thumb small { font-size: 13px; color: var(--ink-2); }
.ba-thumb[aria-pressed="true"] span.img { outline: 2px solid var(--walnut); outline-offset: 3px; }

/* ---------- Assessment teaser / cards ---------- */
.assess-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.assess-item { background: var(--card); padding: 26px 22px; display: grid; gap: 10px; align-content: start; transition: background .25s; }

.assess-item .num { font-size: 12px; color: var(--walnut); letter-spacing: .12em; }
.assess-item h4, .assess-item .h4 { font-size: 18px; font-weight: 500; letter-spacing: -.01em; }
.assess-item p { margin: 0; font-size: 14px; color: var(--muted); line-height: 1.5; }
@media (max-width: 960px) { .assess-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .assess-grid { grid-template-columns: 1fr; } }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 5vw, 80px); align-items: center; }
@media (max-width: 900px) { .split { grid-template-columns: 1fr; } }

/* ---------- Services ---------- */
.services { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.service {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 30px; display: grid; gap: 14px; align-content: start; transition: transform .3s, box-shadow .3s, border-color .3s;
}

.service__icon { width: 44px; height: 44px; border-radius: 12px; background: var(--oak-light); display: grid; place-items: center; color: var(--walnut); }
.service__icon svg { width: 22px; height: 22px; }
.service p { margin: 0; color: var(--ink-2); font-size: 15px; }
.service .price { font-size: 13px; color: var(--muted); border-top: 1px solid var(--line); padding-top: 14px; margin-top: 4px; }
@media (max-width: 960px) { .services { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .services { grid-template-columns: 1fr; } }

/* ---------- Process ---------- */
.process { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; counter-reset: step; }
.process li { list-style: none; padding: 28px 28px 0 0; border-top: 1px solid rgba(247,243,237,.2); display: grid; gap: 12px; align-content: start; position: relative; }
.process li::before { counter-increment: step; content: "0" counter(step); font-size: 13px; color: var(--oak); letter-spacing: .12em; }
.process li::after { content: ""; position: absolute; top: -4px; left: 0; width: 7px; height: 7px; border-radius: 50%; background: var(--oak); }
.process p { margin: 0; color: #bdb2a5; font-size: 15px; }
.process-wrap { padding: 0; margin: 0; }
@media (max-width: 860px) { .process { grid-template-columns: 1fr 1fr; row-gap: 32px; } }
@media (max-width: 520px) { .process { grid-template-columns: 1fr; } }

/* ---------- Area ---------- */
.areas { display: flex; flex-wrap: wrap; gap: 10px; }
.area { border: 1px solid var(--line); border-radius: 999px; padding: 8px 16px; font-size: 15px; background: var(--card); }
.area--main { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.heritage { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; margin-top: 28px; }
.heritage div { border-top: 1px solid var(--line); padding-top: 14px; }
.heritage strong { display: block; font-weight: 500; }
.heritage span { font-size: 14px; color: var(--muted); }

/* ---------- FAQ ---------- */
.faq { border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary {
  list-style: none; cursor: pointer; padding: 24px 0; display: flex; justify-content: space-between; align-items: center; gap: 20px;
  font-size: clamp(18px, 1.7vw, 21px); font-weight: 500;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-weight: 300; font-size: 28px; line-height: 1; color: var(--walnut); transition: transform .3s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { margin: 0 0 24px; color: var(--ink-2); max-width: 70ch; }

/* ---------- Forms ---------- */
.form { display: grid; gap: 16px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 560px) { .form-row { grid-template-columns: 1fr; } }
.field { display: grid; gap: 6px; }
.field label { font-size: 13px; color: var(--muted); letter-spacing: .02em; }
.field input, .field select, .field textarea {
  width: 100%; padding: 14px 16px; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius-sm);
  transition: border-color .2s, box-shadow .2s; font-size: 16px;
}
.field textarea { min-height: 120px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--walnut); box-shadow: 0 0 0 3px rgba(116,74,49,.12); }
.form-success { display: none; padding: 18px 20px; border-radius: var(--radius-sm); background: #eef2ea; color: var(--ok); font-size: 15px; }
.form.is-sent .form-success { display: block; }
.form-error { display: none; margin: 0; padding: 14px 18px; border-radius: var(--radius-sm); background: #f8ebe6; color: #8a3b22; font-size: 15px; }

/* ---------- CTA band ---------- */
.cta-band { border-radius: calc(var(--radius) + 6px); background: var(--walnut); color: #fff; padding: clamp(40px, 6vw, 80px); display: grid; grid-template-columns: 1.4fr 1fr; gap: 32px; align-items: center; position: relative; overflow: hidden; }
.cta-band h2 { color: #fff; }
.cta-band p { color: #ead9c8; margin: 14px 0 0; }
.cta-band__actions { display: flex; flex-wrap: wrap; gap: 12px; justify-content: flex-end; }
.cta-band .btn--ghost { border-color: rgba(255,255,255,.5); color: #fff; }
.cta-band .btn--ghost:hover { background: #fff; color: var(--walnut); }
@media (max-width: 820px) { .cta-band { grid-template-columns: 1fr; } .cta-band__actions { justify-content: flex-start; } }

/* ---------- Footer ---------- */
.footer { background: var(--ink); color: #bdb2a5; padding: 72px 0 32px; font-size: 15px; }
.footer__grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; }
.footer .footer__h { margin: 0 0 16px; color: var(--paper); font-weight: 500; font-size: 14px; letter-spacing: .1em; text-transform: uppercase; }
.footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.footer a { text-decoration: none; }
.footer a:hover { color: var(--paper); }
.footer__logo { height: 54px; width: auto; filter: grayscale(1) invert(1) brightness(1.15); mix-blend-mode: screen; margin-bottom: 20px; }
.footer__bottom { margin-top: 56px; padding-top: 24px; border-top: 1px solid rgba(255,255,255,.1); display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; font-size: 13px; }
@media (max-width: 860px) { .footer__grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .footer__grid { grid-template-columns: 1fr; } }

/* ---------- Page header (inner pages) ---------- */
.page-hero { padding: clamp(48px, 7vw, 100px) 0 clamp(32px, 4vw, 56px); }
.page-hero .container { display: grid; gap: 22px; }
.page-hero h1 { font-size: clamp(40px, 6vw, 78px); max-width: 16ch; }

/* ============================================================
   Motion — after Emil Kowalski's principles
   · custom ease-out curves, never the weak CSS defaults
   · UI feedback < 300ms; entrances a little longer, exits faster
   · animate transform / opacity / filter only, named explicitly
   · press feedback (scale .97), hover only on real pointers
   · blur masks the in-between frames of a reveal or a swap
   · reduced motion keeps opacity, drops movement
   ============================================================ */
:root {
  --ease-out: cubic-bezier(0.23, 1, 0.32, 1);
  --ease-in-out: cubic-bezier(0.77, 0, 0.175, 1);
  --ease-drawer: cubic-bezier(0.32, 0.72, 0, 1);
  --dur-press: 160ms;
  --dur-ui: 220ms;
  --dur-reveal: 700ms;
}

/* Reveal on scroll: small rise + blur, staggered */
.reveal {
  opacity: 0; transform: translateY(14px); filter: blur(6px);
  transition: opacity var(--dur-reveal) var(--ease-out), transform var(--dur-reveal) var(--ease-out), filter var(--dur-reveal) var(--ease-out);
  transition-delay: calc(var(--d, 0) * 70ms);
}
.reveal.is-in { opacity: 1; transform: none; filter: none; }
.reveal.reveal-done { transition-delay: 0s; }
.service.reveal:not(.reveal-done) { transition: opacity var(--dur-reveal) var(--ease-out), transform var(--dur-reveal) var(--ease-out), filter var(--dur-reveal) var(--ease-out); transition-delay: calc(var(--d, 0) * 70ms); }
.reveal[data-delay="1"] { --d: 1; }
.reveal[data-delay="2"] { --d: 2; }
.reveal[data-delay="3"] { --d: 3; }

/* Hero headline: word-by-word blur-in (words wrapped by main.js) */
.word { display: inline-block; white-space: pre; opacity: 0; transform: translateY(.25em); filter: blur(8px);
  transition: opacity 800ms var(--ease-out), transform 800ms var(--ease-out), filter 800ms var(--ease-out);
  transition-delay: calc(120ms + var(--w) * 55ms); }
h1.is-in .word { opacity: 1; transform: none; filter: none; }
h1.reveal { opacity: 1; transform: none; filter: none; }

/* Eyebrow rule draws in from the left */
.eyebrow::before { transform: scaleX(0); transform-origin: left; transition: transform 600ms var(--ease-out) 150ms; }
.is-in .eyebrow::before, .eyebrow.is-in::before { transform: scaleX(1); }

/* Press feedback */
.btn, .chip, .ba-thumb, .menu-toggle, .faq summary { -webkit-tap-highlight-color: transparent; }
.btn { transition: background-color var(--dur-ui) var(--ease-out), color var(--dur-ui) var(--ease-out), border-color var(--dur-ui) var(--ease-out), transform var(--dur-press) var(--ease-out); }
.btn svg { transition: transform var(--dur-ui) var(--ease-out); }
.btn:active { transform: scale(.97); }
.chip { transition: background-color var(--dur-ui) var(--ease-out), color var(--dur-ui) var(--ease-out), border-color var(--dur-ui) var(--ease-out), transform var(--dur-press) var(--ease-out); }
.chip:active { transform: scale(.96); }
.ba-thumb { transition: opacity var(--dur-ui) var(--ease-out), transform var(--dur-press) var(--ease-out); }
.ba-thumb:active { transform: scale(.97); }
.ba-thumb span.img img { transition: transform 500ms var(--ease-out); }
.ba-thumb[aria-pressed="true"] span.img { transition: outline-color var(--dur-ui) var(--ease-out); }

/* Hover only where hover exists — no sticky hover on touch */
@media (hover: hover) and (pointer: fine) {
  .btn:hover svg { transform: translateX(3px); }
  .chip:hover { border-color: var(--ink-2); }
  .ba-thumb:hover { opacity: 1; }
  .ba-thumb:hover span.img img { transform: scale(1.04); }
  .service:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: transparent; }
  .nav a:hover::after { transform: scaleX(1); }
  .ba:hover:not(.is-dragging) .ba__knob { transform: translate(-50%, -50%) scale(1.06); }
  .assess-item:hover { background: #fff; }
}
.service { transition: transform 300ms var(--ease-out), box-shadow 300ms var(--ease-out), border-color 300ms var(--ease-out); }
.nav a::after { transition: transform 260ms var(--ease-out); }

/* Before/after: knob responds instantly, project swap crossfades through blur */
.ba__knob { transition: transform var(--dur-press) var(--ease-out); }
.ba.is-dragging .ba__knob { transform: translate(-50%, -50%) scale(.92); }
.ba.is-swapping > .ba__img, .ba.is-swapping .ba__before { opacity: 0; filter: blur(10px); transform: scale(1.02); }
.ba > .ba__img, .ba__before { transition: opacity 380ms var(--ease-out), filter 380ms var(--ease-out), transform 520ms var(--ease-out); }
.ba.is-swapping .ba__handle { opacity: 0; }
.ba__handle { transition: opacity 240ms var(--ease-out); }

/* Text swaps (finder result, project info) */
.fade-swap { animation: fadeSwap 320ms var(--ease-out) both; }
@keyframes fadeSwap { from { opacity: 0; transform: translateY(6px); filter: blur(4px); } to { opacity: 1; transform: none; filter: none; } }
.finder__result > * { animation: fadeSwap 360ms var(--ease-out) both; animation-delay: calc(var(--i, 0) * 40ms); }
.meter__bar i { transition: width 700ms var(--ease-out); }

/* Mobile menu: drawer-like ease, links stagger, exit faster than entry */
@media (max-width: 960px) {
  .nav { transform: translateY(-8px); transition: opacity 160ms var(--ease-out), transform 160ms var(--ease-out); }
  body.menu-open .nav { transition-duration: 280ms; transition-timing-function: var(--ease-drawer); }
  .nav a { opacity: 0; transform: translateY(-6px); transition: opacity 120ms var(--ease-out), transform 120ms var(--ease-out); }
  body.menu-open .nav a { opacity: 1; transform: none; transition-duration: 320ms; transition-delay: calc(var(--i, 0) * 35ms + 40ms); }
  .menu-toggle span { transition: transform 260ms var(--ease-out), opacity 160ms var(--ease-out); }
}

/* FAQ: smooth height where supported (progressive enhancement) */
:root { interpolate-size: allow-keywords; }
.faq details::details-content { block-size: 0; overflow: hidden; opacity: 0;
  transition: block-size 320ms var(--ease-out), opacity 240ms var(--ease-out), content-visibility 320ms allow-discrete; }
.faq details[open]::details-content { block-size: auto; opacity: 1; }
.faq summary::after { transition: transform 260ms var(--ease-out); }

/* Hero image settle */
.hero__media img { transition: transform 1400ms var(--ease-out); }

/* Cross-page transitions (Chrome / Edge / Safari 18.2+) */
@view-transition { navigation: auto; }
.header { view-transition-name: site-header; }
::view-transition-old(root) { animation: vtOut 180ms var(--ease-out) both; }
::view-transition-new(root) { animation: vtIn 360ms var(--ease-out) both; }
@keyframes vtOut { to { opacity: 0; filter: blur(4px); } }
@keyframes vtIn { from { opacity: 0; transform: translateY(10px); filter: blur(4px); } }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal, .word { transform: none !important; filter: none !important; transition-property: opacity; transition-duration: 300ms; }
  .ba.is-swapping > .ba__img, .ba.is-swapping .ba__before { transform: none; filter: none; }
  .btn:active, .chip:active, .ba-thumb:active { transform: none; }
  .fade-swap, .finder__result > * { animation-name: fadeOnly; }
  @keyframes fadeOnly { from { opacity: 0; } }
  ::view-transition-old(root), ::view-transition-new(root) { animation: none; }
  .hero__media img { transition: none; }
}

/* ---------- Accessibility polish (audit fixes) ---------- */
/* Footer links: 44px tap height without changing the visual rhythm */
.footer ul { gap: 0; }
.footer li a { display: inline-flex; align-items: center; min-height: 44px; }
.footer li:not(:has(a)) { padding: 11px 0; }
/* Menu toggle: full 44×44 target */
.menu-toggle { width: 44px; height: 44px; display: none; place-items: center; padding: 0; }
.menu-toggle span { margin: 2.5px auto; }
@media (max-width: 960px) { .menu-toggle { display: grid; align-content: center; } }
.brand { min-height: 44px; }
/* Inactive thumbnails: dim the picture, keep the label readable */
.ba-thumb { opacity: 1; }
.ba-thumb span.img { opacity: .6; transition: opacity var(--dur-ui) var(--ease-out); }
.ba-thumb[aria-pressed="true"] span.img { opacity: 1; }
@media (hover: hover) and (pointer: fine) { .ba-thumb:hover span.img { opacity: 1; } }
/* Touch screens: comfortable targets for small controls */
@media (pointer: coarse) {
  .seg button, .chip, .room__opts .seg button { min-height: 44px; }
  .faq summary { min-height: 44px; }
  .stepper button, [data-add], .contact-list a { min-height: 44px; min-width: 44px; }
  .contact-list a { display: inline-flex; align-items: center; }
}

/* ============================================================
   Taste pass — fewer template tells, more editorial character
   ============================================================ */

/* Paper grain: a barely-there tooth over the flat background */
body::after {
  content: ""; position: fixed; inset: 0; z-index: 70; pointer-events: none; opacity: .05; mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 .2  0 0 0 0 .13  0 0 0 0 .07  0 0 0 1 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* Typography: balanced headings, no orphans, tabular figures */
h1, h2, h3 { text-wrap: balance; }
p, li, dd { text-wrap: pretty; }
h1 { letter-spacing: -.035em; line-height: 1.02; }
h2 { letter-spacing: -.03em; line-height: 1.04; font-weight: 450; }
.hero__stats strong, .svc-row__n, .assess-item .num, .process li::before, .meter__row, .eyebrow { font-variant-numeric: tabular-nums; }
::selection { background: var(--walnut); color: #fff; }

/* Section markers: chapter numbers instead of the same decorative rule everywhere */
.home main { counter-reset: sec; }
.home main > section.section { counter-increment: sec; }
.home .section-head .eyebrow::before, .home #area .eyebrow::before, .home #faq .eyebrow::before {
  content: counter(sec, decimal-leading-zero); width: auto; height: auto; background: none;
  color: var(--ink); opacity: .45; letter-spacing: .08em; transform: none; transition: none;
}
.home .section--dark .section-head .eyebrow::before { color: var(--paper); }

/* Services: editorial index list */
.svc-list { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--ink); counter-reset: none; }
.svc-row {
  display: grid; grid-template-columns: 56px minmax(0, 1.05fr) minmax(0, 1.5fr) minmax(0, .9fr); gap: 24px; align-items: baseline;
  padding: 28px 0; border-bottom: 1px solid var(--line); position: relative;
}
.svc-row__n { font-size: 13px; color: var(--muted); letter-spacing: .08em; }
.svc-row h3 { font-size: clamp(22px, 2.3vw, 30px); font-weight: 450; letter-spacing: -.02em; transition: transform 320ms var(--ease-out), color 220ms var(--ease-out); }
.svc-row p { margin: 0; color: var(--ink-2); font-size: 16px; max-width: 46ch; }
.svc-row__meta { font-size: 14px; color: var(--muted); text-align: right; }
.svc-row::before { content: ""; position: absolute; left: 0; right: 0; bottom: -1px; height: 1px; background: var(--walnut); transform: scaleX(0); transform-origin: left; transition: transform 420ms var(--ease-out); }
@media (hover: hover) and (pointer: fine) {
  .svc-row:hover h3 { transform: translateX(8px); color: var(--walnut); }
  .svc-row:hover::before { transform: scaleX(1); }
}
@media (max-width: 860px) {
  .svc-row { grid-template-columns: 40px 1fr; gap: 6px 16px; padding: 22px 0; }
  .svc-row p, .svc-row__meta { grid-column: 2; text-align: left; }
  .svc-row__meta { font-size: 13px; }
}

/* Assessment: a spec sheet, not a tile grid */
.assess-grid { grid-template-columns: 1fr 1fr; grid-template-rows: repeat(6, auto); grid-auto-flow: column; gap: 0 clamp(32px, 5vw, 72px); background: none; border: 0; border-radius: 0; overflow: visible; border-top: 1px solid var(--ink); }
.assess-item {
  background: none; padding: 18px 0; border-bottom: 1px solid var(--line);
  display: grid; grid-template-columns: 44px minmax(0, .9fr) minmax(0, 1.3fr); gap: 16px; align-items: baseline;
}
.assess-item .num { color: var(--muted); letter-spacing: .08em; }
.assess-item .h4 { font-size: 17px; font-weight: 500; }
.assess-item p { font-size: 15px; }
@media (hover: hover) and (pointer: fine) { .assess-item:hover { background: none; } .assess-item:hover .h4 { color: var(--walnut); } }
@media (max-width: 960px) { .assess-grid { grid-template-columns: 1fr; grid-template-rows: none; grid-auto-flow: row; } }
@media (max-width: 480px) { .assess-item { grid-template-columns: 32px 1fr; } .assess-item p { grid-column: 2; } }

/* Process: large serif numerals carry the sequence */
.process li { padding-top: 32px; gap: 14px; }
.process li::before { content: counter(step, decimal-leading-zero); font-family: var(--f-serif); font-style: italic; font-size: clamp(48px, 5vw, 72px); line-height: .9; letter-spacing: -.02em; color: var(--oak); }
.process li::after { display: none; }
.process h3 { font-weight: 450; }

/* Service area: a typeset list of neighbourhoods instead of a pill cloud */
.areas { display: block; columns: 3; column-gap: 32px; border-top: 1px solid var(--ink); padding-top: 18px; }
.area { display: block; border: 0; background: none; border-radius: 0; padding: 7px 0; font-size: 16px; color: var(--ink-2); break-inside: avoid; }
.area--main { column-span: all; background: none; color: var(--ink); font-family: var(--f-serif); font-style: italic; font-size: clamp(40px, 4.4vw, 60px); line-height: 1; padding: 0 0 14px; letter-spacing: -.02em; }
@media (max-width: 520px) { .areas { columns: 2; } }

/* Hero: quieter stats, softer image frame */
.hero__stats { border-top-color: var(--ink); }
.hero__stats strong { font-weight: 450; }
.hero__media { border-radius: 6px; }
.ba { border-radius: 6px; }
:root { --shadow: 0 1px 1px rgba(40, 25, 10, .04), 0 18px 40px -22px rgba(60, 35, 15, .32); }

/* Finder chips & result: flatter, more paper-like */
.finder__result { box-shadow: none; border-color: var(--ink); border-radius: 6px; }

/* FAQ: hairline in ink at the top to match the other lists */
.faq { border-top-color: var(--ink); }

/* ---------- Contact band: real white-oak planks ---------- */
.cta-band {
  background:
    linear-gradient(90deg, rgba(247,243,237,.55) 0%, rgba(247,243,237,.2) 50%, rgba(247,243,237,0) 100%),
    url("../assets/oak-planks.jpg") center 45% / cover no-repeat,
    var(--oak-light);
  color: var(--ink);
  box-shadow: inset 0 0 0 1px rgba(60,35,15,.08);
}
.cta-band h2 { color: var(--ink); }
.cta-band p { color: var(--ink-2); }
.cta-band .btn--ghost { border-color: var(--ink); color: var(--ink); background: rgba(255,253,249,.55); }
.cta-band .btn--ghost:hover { background: var(--ink); color: var(--paper); }
@media (max-width: 820px) {
  .cta-band { background:
    linear-gradient(180deg, rgba(247,243,237,.5) 0%, rgba(247,243,237,.25) 60%, rgba(247,243,237,0) 100%),
    url("../assets/oak-planks.jpg") 30% center / cover no-repeat,
    var(--oak-light); }
}

/* ---------- 3D refinishing process ---------- */
.proc { display: grid; grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr); gap: clamp(24px, 4vw, 56px); align-items: center; }
@media (max-width: 900px) { .proc { grid-template-columns: 1fr; } }
.proc__main { display: grid; gap: 14px; }
.proc__stage {
  position: relative; aspect-ratio: 16 / 11; border-radius: 6px; overflow: hidden; cursor: grab;
  background: radial-gradient(120% 90% at 50% 38%, #fcf9f4 0%, #efe7db 60%, #e4d9c9 100%);
  box-shadow: inset 0 0 0 1px rgba(60, 35, 15, .08);
}
@media (pointer: coarse) { .proc__stage { cursor: default; } }
.proc__stage.is-grabbing { cursor: grabbing; }
.proc__stage canvas { position: absolute; inset: 0; width: 100% !important; height: 100% !important; display: block; }
.proc__chip, .proc__note, .proc__hint { position: absolute; z-index: 2; pointer-events: none; font-size: 12px; letter-spacing: .08em; }
.proc__chip { top: 14px; left: 14px; padding: 7px 12px; border-radius: 99px; background: rgba(29, 25, 21, .82); color: var(--paper); text-transform: uppercase; font-variant-numeric: tabular-nums; }
.proc__note { right: 14px; bottom: 12px; color: var(--muted); letter-spacing: .03em; }
.proc__hint { left: 14px; bottom: 12px; color: var(--muted); letter-spacing: .03em; opacity: 0; transition: opacity 400ms var(--ease-out); }
.is-3d .proc__hint { opacity: 1; }
@media (pointer: coarse) { .proc__hint { display: none; } }

.proc__steps { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)) auto; gap: 8px; align-items: stretch; }
.proc-step {
  position: relative; display: grid; gap: 2px; text-align: left; padding: 12px 0 4px; border: 0; background: none; cursor: pointer;
  color: var(--muted); border-top: 2px solid var(--line); min-height: 44px;
  transition: color var(--dur-ui) var(--ease-out), transform var(--dur-press) var(--ease-out);
}
.proc-step::before { content: ""; position: absolute; left: 0; top: -2px; height: 2px; width: 100%; background: var(--walnut); transform: scaleX(0); transform-origin: left; transition: transform 500ms var(--ease-out); }
.proc-step b { font-weight: 500; font-size: 12px; letter-spacing: .08em; font-variant-numeric: tabular-nums; }
.proc-step span { font-size: 15px; }
.proc-step[aria-current="step"], .proc-step.is-done { color: var(--ink); }
.proc-step[aria-current="step"]::before, .proc-step.is-done::before { transform: scaleX(1); }
.proc-step:active { transform: scale(.97); }
@media (hover: hover) and (pointer: fine) { .proc-step:hover { color: var(--ink); } }
.proc-play {
  display: inline-flex; align-items: center; gap: 8px; align-self: center; padding: 0 18px; min-height: 44px; border-radius: 99px;
  border: 1px solid var(--ink); background: transparent; cursor: pointer; font-size: 14px;
  transition: background-color var(--dur-ui) var(--ease-out), color var(--dur-ui) var(--ease-out), transform var(--dur-press) var(--ease-out);
}
.proc-play svg { width: 12px; height: 12px; }
.proc-play:active { transform: scale(.97); }
@media (hover: hover) and (pointer: fine) { .proc-play:hover { background: var(--ink); color: var(--paper); } }
.is-playing .proc-play { opacity: .5; pointer-events: none; }
@media (max-width: 560px) {
  .proc__steps { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .proc-play { grid-column: 1 / -1; justify-content: center; }
  .proc-step span { font-size: 13px; }
}

.proc__info { display: grid; gap: 16px; }
.proc__info h3 { font-size: clamp(26px, 3vw, 36px); font-weight: 450; letter-spacing: -.02em; }
.proc__info p { margin: 0; color: var(--ink-2); }
.proc__info dl { margin: 0; display: grid; grid-template-columns: auto 1fr; gap: 10px 24px; font-size: 15px; border-top: 1px solid var(--line); padding-top: 16px; }
.proc__info dt { color: var(--muted); }
.proc__info dd { margin: 0; }

/* Fallback without WebGL: tilted flat floor */
.proc__stage--flat { perspective: 1100px; }
.proc__flat {
  position: absolute; left: 10%; top: 16%; width: 80%; height: 68%; object-fit: cover; border-radius: 3px;
  transform: rotateX(48deg) rotateZ(-14deg); box-shadow: 0 40px 60px -30px rgba(60,35,15,.45);
  opacity: 0; transition: opacity 600ms var(--ease-out);
}
.proc__flat.is-on { opacity: 1; }

/* Strategy result: compact, content-sized card (no stretched gaps) */
.finder__result { min-height: 0; align-content: start; gap: 12px; padding: clamp(20px, 2.4vw, 28px); }
.finder__result h3 { font-size: clamp(22px, 2.4vw, 28px); }
.finder__result:not(:has(ul)) p { margin: 0; font-size: 15px; }

/* Service area: compact neighbourhood list */
.areas { columns: 8.5rem auto; column-gap: 20px; padding-top: 14px; }
.area { font-size: 14px; padding: 3px 0; line-height: 1.45; }
.area--main { font-size: clamp(28px, 3vw, 40px); padding: 0 0 10px; }
@media (max-width: 520px) { .areas { columns: 2; } }

/* ---------- Estimator summary motion ---------- */
#totalNum, #totalAlt, #priceRange, #priceHst, .breakdown .bd-val, .room__area { font-variant-numeric: tabular-nums; }
.breakdown .bd-name { font-weight: inherit; }
.breakdown li.is-enter { animation: bdIn 320ms var(--ease-out) both; }
@keyframes bdIn { from { opacity: 0; transform: translateY(-4px); filter: blur(3px); } }
.breakdown li i { transition: transform 200ms var(--ease-out); }
.total-card .btn { transition: background-color var(--dur-ui) var(--ease-out), color var(--dur-ui) var(--ease-out), transform var(--dur-press) var(--ease-out); }
.total-card .btn:active { transform: scale(.98); }
@media (hover: hover) and (pointer: fine) { .total-card .btn:hover { background: var(--walnut-dark); } }
@media (prefers-reduced-motion: reduce) { .breakdown li.is-enter, .room.is-enter { animation-name: fadeOnly; } }

/* Hero photo: real image, no crop-zoom; a slow settle on entry */
.hero__media img { object-position: 50% 62%; transform-origin: 50% 60%; transform: scale(1.06); }
.hero__media.is-in img { transform: scale(1); }
@media (prefers-reduced-motion: reduce) { .hero__media img { transform: none; } }
@media (max-width: 900px) { .hero__media img { object-position: 50% 80%; } }

/* ---------- Assessment: three compact groups ---------- */
.ag-wrap { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.ag { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 0; overflow: hidden; }
.ag summary {
  list-style: none; display: grid; grid-template-columns: auto 1fr auto; align-items: baseline; gap: 10px;
  padding: 16px 18px 12px; cursor: default; min-height: 44px;
}
.ag summary::-webkit-details-marker { display: none; }
.ag summary h3 { font-size: 18px; font-weight: 500; letter-spacing: -.01em; }
.ag__n { font-size: 12px; color: var(--muted); letter-spacing: .06em; font-variant-numeric: tabular-nums; }
.ag__count { font-size: 12px; color: var(--walnut); }
.ag ul { list-style: none; margin: 0; padding: 0 18px 10px; }
.ag li { display: grid; gap: 1px; padding: 9px 0; border-top: 1px solid var(--line); }
.ag li b { font-weight: 500; font-size: 15px; }
.ag li span { font-size: 13.5px; color: var(--muted); line-height: 1.4; }
#assessment .section-head { margin-bottom: clamp(28px, 4vw, 44px); }

/* Mobile: accordions — tap a group to open it */
@media (max-width: 860px) {
  .ag-wrap { grid-template-columns: 1fr; gap: 10px; }
  .ag summary { cursor: pointer; padding: 14px 16px; align-items: center; grid-template-columns: auto 1fr auto auto; }
  .ag summary::after { content: "+"; font-size: 22px; line-height: 1; color: var(--walnut); font-weight: 300; transition: transform 260ms var(--ease-out); }
  .ag[open] summary::after { transform: rotate(45deg); }
  .ag ul { padding: 0 16px 8px; }
  .ag::details-content { block-size: 0; overflow: hidden; transition: block-size 320ms var(--ease-out), content-visibility 320ms allow-discrete; }
  .ag[open]::details-content { block-size: auto; }
}

/* ============================================================
   Walnut × sky — a cool counterpoint to the warm wood palette
   Brown stays the brand (buttons, logo, headlines);
   sky blue is the accent: cool sections, numbers, progress, signals.
   ============================================================ */
:root {
  --sky: #9cc3dc;        /* light sky — on dark backgrounds */
  --sky-deep: #36678a;   /* text-safe sky — ≥4.5:1 on paper and mist */
  --sky-pale: #dce9f1;   /* fills, bars, tags */
  --sky-mist: #eef4f7;   /* cool section background */
}
::selection { background: var(--sky-deep); color: #fff; }
:focus-visible { outline-color: var(--sky-deep); }

/* Warm / cool section rhythm */
#approach, #area { background: var(--sky-mist); }
#approach { background: linear-gradient(180deg, var(--sky-mist), #f3f6f6); }
.home .section-head .eyebrow::before, .home #area .eyebrow::before, .home #faq .eyebrow::before { color: var(--sky-deep); opacity: 1; }
.home .section--dark .section-head .eyebrow::before { color: var(--sky); }

/* Hero */
.hero__question { border-left-color: var(--sky-deep); }
.dot { background: var(--sky-deep); box-shadow: 0 0 0 4px rgba(54,103,138,.18); }
.hero__stats strong { color: var(--ink); }
.hero__stats > div:first-child strong { color: var(--sky-deep); }

/* Nav and links */
.nav a::after { background: var(--sky-deep); }
.footer a:hover { color: var(--sky); }
.footer .footer__h { color: var(--sky); }

/* 3D process: daylight backdrop and sky progress */
.proc__stage { background: radial-gradient(120% 90% at 50% 30%, #f7fafc 0%, #e8f0f5 55%, #e4dccf 100%); }
.proc-step::before { background: var(--sky-deep); }
.proc-step[aria-current="step"] b { color: var(--sky-deep); }
.proc__chip { background: rgba(29, 25, 21, .82); }
.proc__chip::before { content: ""; display: inline-block; width: 6px; height: 6px; border-radius: 50%; background: var(--sky); margin-right: 8px; vertical-align: 1px; }

/* Services: sky hairline on hover, sky index numbers */
.svc-row::before { background: var(--sky-deep); }
.svc-row__n { color: var(--sky-deep); }

/* Strategy finder */
.q__label b { color: var(--sky-deep); }
.finder__result .tag { color: var(--sky-deep); }
.finder__result { border-color: rgba(54,103,138,.35); box-shadow: 0 20px 40px -28px rgba(54,103,138,.35); }
.finder__result li::before { background: var(--sky-deep); }
.meter__bar { background: var(--sky-pale); }
.meter + .meter .meter__bar i { background: var(--sky-deep); }
@media (hover: hover) and (pointer: fine) { .chip:hover { border-color: var(--sky-deep); } }

/* Process (dark): sky numerals against warm ink */
.section--dark .eyebrow { color: var(--sky); }
.process li::before { color: var(--sky); }
.process li { border-top-color: rgba(156,195,220,.25); }

/* Assessment groups */
.ag__count { color: var(--sky-deep); }
.ag summary::after { color: var(--sky-deep); }
.ag { border-top: 3px solid var(--sky-pale); }
.ag:nth-child(2) { border-top-color: #e8d6c2; }
.ag:nth-child(3) { border-top-color: var(--sky-deep); }

/* Service area on the cool background */
.area--main { color: var(--sky-deep); }
.heritage strong { color: var(--ink); }
.heritage div { border-top-color: rgba(54,103,138,.25); }

/* FAQ */
.faq summary::after { color: var(--sky-deep); }

/* Estimator + assessment page touches */
body .total-card .label { color: var(--sky-deep); }
body .seg button[aria-pressed="true"] { box-shadow: 0 1px 3px rgba(54,103,138,.18), inset 0 -2px 0 var(--sky-deep); }
body .svc:has(input:checked) { border-color: var(--sky-deep); background: var(--sky-mist); }
body .svc input { accent-color: var(--sky-deep); }
.section--alt:not(#work):not(#approach):not(#area) { background: var(--sky-mist); }

/* Hero: a soft wash of daylight from the top right */
.hero { background: radial-gradient(55% 60% at 88% 0%, rgba(156,195,220,.38), rgba(156,195,220,0) 70%); }
.hero .eyebrow { color: var(--sky-deep); }

/* Full-width buttons may wrap; grids never grow wider than the screen */
.btn--block { white-space: normal; text-align: center; line-height: 1.3; }

/* Estimator room cards: let fields shrink on small phones */
.room { grid-template-columns: minmax(0, 1fr); }
.room__top { min-width: 0; }
.room__name, .input-unit input, .input-unit { min-width: 0; }

/* Mobile drawer: separated from the page with a shadow and a dimmed backdrop */
@media (max-width: 960px) {
  .nav { box-shadow: 0 24px 40px -24px rgba(40, 25, 10, .35); padding-bottom: 28px; }
  body::before {
    content: ""; position: fixed; inset: 76px 0 0 0; z-index: 40; background: rgba(29, 25, 21, .28);
    opacity: 0; pointer-events: none; transition: opacity 200ms var(--ease-out);
  }
  body.menu-open::before { opacity: 1; pointer-events: auto; }
}
@media (pointer: coarse) { .room__name { min-height: 44px; } }