/* Rekha Architects: paper white, graphite and a single vermilion line. Space Grotesk for headings and text,
   IBM Plex Mono for labels. Change the colours and fonts here; base.css reads these variables. */
:root {
  --bg: #FAFAF7;
  --surface: #FFFFFF;
  --soft: #F1EFE8;
  --ink: #1C1C1C;
  --muted: #5F5C56;
  --line: #E1DED6;
  --line-strong: #1C1C1C;
  --brand: #1C1C1C;
  --brand-hover: #000000;
  --brand-ink: #FFFFFF;
  --brand-text: #B42A21;
  --red: #D7352B;
  --eyebrow: #B42A21;
  --head: "Space Grotesk", system-ui, sans-serif;
  --body: "Space Grotesk", system-ui, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
  --radius: 2px;
  --radius-lg: 2px;
  --btn-radius: 2px;
  --wrap: 1240px;
  --gap: 28px;
}
h1, h2, h3 { font-weight: 500; letter-spacing: -.03em; }
.mono, .eyebrow, .p-cat, .p-facts dt, .contact-list span { font-family: var(--mono); font-weight: 400; letter-spacing: .02em; text-transform: none; }
.eyebrow { font-size: .82rem; }
.btn { font-weight: 500; }
.btn-ghost { border-width: 1px; }
.input { border-width: 1px; }

/* header */
.header { background: var(--bg); border-bottom: 1px solid var(--ink); }
.logo b { font: 600 1.25rem/1 var(--head); letter-spacing: .08em; text-transform: uppercase; }
.logo small { font: .7rem var(--mono); color: var(--muted); }
.nav a { font-size: .95rem; }
.nav a[aria-current="page"] { font-weight: 500; box-shadow: inset 0 -2px 0 var(--red); border-radius: 0; }
.header .btn { min-height: 42px; padding: 8px 16px; }

/* hero */
.hero { padding-block: clamp(36px, 6vw, 80px) 0; }
.hero .mono { color: var(--muted); font-size: .85rem; }
.hero h1 { font-size: clamp(2.5rem, 7.4vw, 6rem); line-height: .96; margin: 18px 0 28px; max-width: 14ch; }
.line { box-shadow: inset 0 -.14em 0 var(--red); }
.hero-row { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 24px 48px; align-items: end; padding-bottom: 36px; border-bottom: 1px solid var(--line); }
@media (max-width: 860px) { .hero-row { grid-template-columns: minmax(0, 1fr); } }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.hero-plan { margin: 36px 0 0; }
.hero-plan svg { width: 100%; height: clamp(220px, 34vw, 420px); border: 1px solid var(--ink); }
.hero-plan figcaption { margin-top: 10px; font-size: .8rem; color: var(--muted); }
.idx { font-size: .9rem; color: var(--red); vertical-align: super; margin-right: 6px; }
.p-card, .svc article, .quotes li, .steps li { border-color: var(--line); }
.p-card { border: 0; background: transparent; }
.p-art { border: 1px solid var(--ink); }
.p-body { padding: 14px 0 0; }
.two-col { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 2fr); gap: 32px; }
@media (max-width: 860px) { .two-col { grid-template-columns: minmax(0, 1fr); } }
.principles { border-block: 1px solid var(--ink); }
.principle-list { list-style: none; counter-reset: p; display: grid; grid-template-columns: 1fr 1fr; gap: 28px 36px; }
@media (max-width: 640px) { .principle-list { grid-template-columns: 1fr; } }
.principle-list li { counter-increment: p; border-top: 1px solid var(--line); padding-top: 14px; }
.principle-list li::before { content: "0" counter(p); font: .8rem var(--mono); color: var(--red); }
.principle-list h3 { font-size: 1.3rem; margin: 6px 0; }
.principle-list p { color: var(--muted); }
.svc-ico { background: transparent; border: 1px solid var(--ink); color: var(--ink); }
.values li { border-top: 2px solid var(--red); }

/* plan viewer */
.viewer { display: grid; gap: 22px; }
.viewer-bar { display: flex; flex-wrap: wrap; gap: 14px 24px; align-items: center; justify-content: space-between; }
.tab { display: grid; min-height: 44px; padding: 8px 14px; border: 1px solid var(--ink); background: var(--surface); cursor: pointer; text-align: left; font-weight: 500; }
.tab small { font: .72rem var(--mono); color: var(--muted); }
.tab[aria-pressed="true"] { background: var(--ink); color: #fff; }
.tab[aria-pressed="true"] small { color: #C9C5BA; }
.toggle { display: inline-flex; align-items: center; gap: 8px; min-height: 44px; font-family: var(--mono); font-size: .88rem; cursor: pointer; }
.toggle input { width: 18px; height: 18px; accent-color: var(--red); }
.viewer-main { display: grid; grid-template-columns: minmax(0, 2fr) minmax(0, 1fr); gap: 22px; align-items: start; }
@media (max-width: 900px) { .viewer-main { grid-template-columns: minmax(0, 1fr); } }
.plan-fig { margin: 0; }
.plan-svg { border: 1px solid var(--ink); background: #fff; padding: 8px; }
.plan-svg svg { width: 100%; height: auto; display: block; max-height: 70vh; }
.plan-fig figcaption { margin-top: 10px; font-size: .78rem; color: var(--muted); }
.rm { cursor: pointer; outline: none; }
.rm rect { fill: #FFFFFF; stroke: var(--ink); stroke-width: 2; transition: fill .15s; }
.rm.is-open rect { stroke-dasharray: 6 4; fill: url(#hatch); }
.rm:hover rect, .rm:focus-visible rect { fill: #FCE9E6; }
.rm.is-on rect { fill: var(--red); }
.rm.is-on text { fill: #fff; }
.rm:focus-visible rect { stroke: var(--red); stroke-width: 4; }
.rm-name { font: 600 13px var(--head); text-anchor: middle; fill: var(--ink); pointer-events: none; }
.rm-dim { font: 11px var(--mono); text-anchor: middle; fill: var(--muted); pointer-events: none; }
.outer { fill: none; stroke: var(--ink); stroke-width: 6; }
.dimline path { stroke: var(--red); stroke-width: 1.5; fill: none; }
.dimline text { font: 13px var(--mono); fill: var(--red); text-anchor: middle; }
.room-card { position: sticky; top: 96px; display: grid; gap: 10px; padding: 24px; border: 1px solid var(--ink); background: var(--surface); }
.room-card h2 { font-size: 2rem; }
.room-card p { color: var(--muted); }
.room-card dl { display: grid; gap: 0; margin: 6px 0 0; }
.room-card dl div { display: flex; justify-content: space-between; padding: 10px 0; border-top: 1px solid var(--line); }
.room-card dt { font: .82rem var(--mono); color: var(--muted); }
.room-card dd { margin: 0; font-weight: 600; }
@media (max-width: 900px) { .room-card { position: static; } }
.viewer-est { display: grid; gap: 18px; border-color: var(--ink); }
.viewer-est h2 { font-size: 1.7rem; }
.viewer-out { display: grid; gap: 12px; padding-top: 6px; }
.viewer-out .tool-total { font-size: clamp(1.4rem, 3vw, 2rem); color: var(--ink); }

/* inner pages */
.page-head { border-bottom: 1px solid var(--ink); margin-bottom: clamp(28px, 4vw, 48px); }
.page-head h1 { font-size: clamp(2.4rem, 6vw, 4.4rem); max-width: 18ch; }
.cta-band { background: var(--ink); color: #fff; }
.cta-band .btn-primary { background: var(--red); }
.cta-band .btn-ghost { color: #fff; border-color: #fff; }
.footer { border-top: 1px solid var(--ink); }
.footer h2 { font-family: var(--mono); text-transform: none; letter-spacing: 0; }