/* plumbpricing.com — v1 (engine shared with washpricing v2). Two faces (Archivo display, IBM Plex Sans text, Plex Mono numbers), two inks + paper + one spot.
   Every text colour below is measured (tools/contrast.py):
   ink #15130F on paper #F4F1EA 16.45:1 · ink-2 #4A463F 8.31:1 · ink-3 #6B665C 5.06:1 · spot #0F6E56 on paper 5.50:1
   white on spot 6.20:1 · ink on hi #F5C518 11.38:1 · paper on ink 16.45:1 · mute #A8A298 on ink 7.32:1 */
:root {
  --paper: #F4F1EA; --paper-2: #FBFAF6; --ink: #15130F; --ink-2: #4A463F; --ink-3: #6B665C; --rule: #D9D3C6;
  --spot: #0F6E56; --spot-ink: #FFFFFF; --hi: #F5C518; --mute-on-ink: #A8A298; --ok: #1F7A3A; --warn: #B42318;
  --display: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --text: "IBM Plex Sans", -apple-system, "Helvetica Neue", Arial, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, Menlo, Consolas, monospace;
  --nav-h: 64px; --band: 600px; --wrap: 1120px;
}
* { box-sizing: border-box; }
html, body { overflow-x: clip; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 17px/1.55 var(--text); font-synthesis: none; }
a { color: inherit; }
img { max-width: 100%; height: auto; display: block; }
.art img, .sky .figure img, .pricebox img { mix-blend-mode: multiply; }
h1, h2, h3 { font-family: var(--display); line-height: 1.02; margin: 0 0 .5rem; letter-spacing: -.02em; font-weight: 800; }
h1 { font-size: clamp(2.4rem, 5.6vw, 4.4rem); }
h2 { font-size: clamp(1.8rem, 3.4vw, 2.6rem); }
h3 { font-size: 1.15rem; letter-spacing: -.01em; font-weight: 700; }
p { margin: 0 0 1rem; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }
.num { font-family: var(--mono); font-variant-numeric: tabular-nums; }
.eyebrow { font-family: var(--display); font-weight: 700; font-size: .78rem; letter-spacing: .18em; text-transform: uppercase; color: var(--ink-3); display: block; margin-bottom: 14px; }
.eyebrow b { color: var(--spot); font-weight: 700; }
.lede { font-size: 1.2rem; color: var(--ink-2); max-width: 560px; }

/* nav */
.nav { position: sticky; top: 0; z-index: 20; background: var(--paper); border-bottom: 1px solid var(--rule); height: var(--nav-h); }
.nav .wrap { display: flex; align-items: center; justify-content: space-between; height: 100%; }
.brand img { height: 28px; width: auto; }
.nav nav a { text-decoration: none; color: var(--ink-2); margin-left: 22px; font-size: .95rem; font-weight: 500; }
.nav nav a.cta { color: var(--spot); font-weight: 700; }
@media (max-width: 560px) { .nav nav a:not(.cta) { display: none; } }

/* buttons: hard square, Field Notes lip */
.btn { display: inline-block; padding: 13px 20px; font: 700 .95rem/1 var(--display); letter-spacing: .02em; border: 2px solid var(--ink); background: var(--ink); color: var(--paper); cursor: pointer; text-decoration: none; box-shadow: 4px 4px 0 var(--spot); transition: translate .12s, box-shadow .12s; }
.btn:hover { translate: -1px -1px; box-shadow: 5px 5px 0 var(--spot); }
.btn:active { translate: 3px 3px; box-shadow: 0 0 0 var(--spot); transition-duration: 0s; }
.btn.primary { background: var(--spot); border-color: var(--spot); color: var(--spot-ink); box-shadow: 4px 4px 0 var(--ink); }
.btn.primary:hover { box-shadow: 5px 5px 0 var(--ink); }
.btn.primary:active { box-shadow: 0 0 0 var(--ink); }
.btn.ghost { background: transparent; color: var(--ink); box-shadow: none; }
.btn.ghost:hover { background: var(--ink); color: var(--paper); translate: none; }

/* bands */
.band { min-height: var(--band); display: flex; align-items: center; padding: 56px 0; }
.band.short { min-height: 0; }
.hero { padding-top: calc(var(--nav-h) + max(3vh, 24px)); padding-bottom: 24px; min-height: min(78vh, 720px); }
.hero .wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; }
.hero .copy .actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 22px; }
.hero .art { position: relative; }
.hero .art img { width: 118%; max-width: none; margin-left: -6%; }
@media (max-width: 900px) { .hero .wrap { grid-template-columns: 1fr; } .hero .art img { width: 100%; margin: 0; } }

/* tag — the one angled mark */
.tag { display: inline-block; background: var(--hi); color: var(--ink); font: 800 .78rem/1 var(--display); letter-spacing: .14em; text-transform: uppercase; padding: 8px 14px 8px 12px; clip-path: polygon(0 0, 100% 0, calc(100% - 10px) 100%, 0 100%); margin-bottom: 18px; }

/* the calculator band */
.calcband { background: var(--paper-2); border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule); padding: 40px 0 56px; scroll-margin-top: var(--nav-h); }
.calcband .head { display: flex; justify-content: space-between; align-items: end; gap: 20px; margin-bottom: 18px; flex-wrap: wrap; }
.calcband .head p { margin: 0; color: var(--ink-3); font-size: .95rem; }
.calc { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
@media (max-width: 860px) { .calc { grid-template-columns: 1fr; } }
.panel { background: var(--paper); border: 2px solid var(--ink); padding: 22px; }
.panel h2 { font-size: .8rem; letter-spacing: .18em; text-transform: uppercase; color: var(--ink-3); margin: 0 0 14px; font-weight: 700; }
.line { display: grid; grid-template-columns: 1.6fr 1fr .9fr .8fr auto; gap: 8px; align-items: end; margin-bottom: 10px; }
.line label { display: block; font-family: var(--display); font-size: .68rem; letter-spacing: .12em; color: var(--ink-3); text-transform: uppercase; margin-bottom: 4px; font-weight: 700; }
@media (max-width: 560px) { .line { grid-template-columns: 1fr 1fr; } }
select, input[type=number], input[type=text] { width: 100%; font: inherit; font-size: 1rem; padding: 9px 10px; border: 1.5px solid var(--ink); background: #fff; color: var(--ink); border-radius: 0; }
input[type=number] { font-family: var(--mono); }
.line .del { background: none; border: 1.5px solid var(--rule); color: var(--ink-3); width: 38px; height: 42px; cursor: pointer; font-size: 1.1rem; }
.line .del:hover { color: var(--warn); border-color: var(--warn); }
.hint { font-size: .8rem; color: var(--ink-3); margin: -4px 0 12px; grid-column: 1 / -1; }
button.ghostline { background: none; border: 1.5px dashed var(--ink-3); color: var(--ink-2); padding: 9px 12px; font: inherit; cursor: pointer; width: 100%; }
button.ghostline:hover { border-color: var(--ink); color: var(--ink); }
details.settings { margin-top: 18px; border-top: 1px solid var(--rule); padding-top: 12px; }
details.settings summary { cursor: pointer; font-weight: 600; font-size: .95rem; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 14px; margin-top: 12px; }
.grid2 label { font-size: .8rem; color: var(--ink-2); display: block; }
.grid2 label small { color: var(--ink-3); display: block; font-size: .74rem; }
.result .big { font: 800 3.2rem/1 var(--display); letter-spacing: -.03em; margin: 2px 0 2px; }
.result .range { color: var(--ink-2); margin-bottom: 14px; }
.kv { display: flex; justify-content: space-between; gap: 12px; padding: 8px 0; border-top: 1px solid var(--rule); font-size: .95rem; }
.kv:last-child { border-bottom: 1px solid var(--rule); }
.kv .k { color: var(--ink-2); }
.kv.total { font-weight: 700; }
.flag { padding: 10px 12px; margin: 12px 0; font-size: .92rem; border-left: 4px solid var(--ink-3); background: #fff; }
.flag.warn { border-color: var(--warn); }
.flag.ok { border-color: var(--ok); }
.addons { margin-top: 16px; }
.addons h3 { font-size: .8rem; letter-spacing: .18em; text-transform: uppercase; color: var(--ink-3); font-weight: 700; }
.addons label { display: flex; justify-content: space-between; gap: 10px; padding: 7px 0; font-size: .92rem; border-top: 1px solid var(--rule); cursor: pointer; }
.addons label span.how { color: var(--ink-3); font-size: .82rem; white-space: nowrap; }
.addons input { margin-right: 8px; }
.actions { display: flex; gap: 12px; margin-top: 18px; flex-wrap: wrap; align-items: center; }
.copied { font-size: .85rem; color: var(--ok); }

/* strip — the label system as a rate strip */
.strip { border-bottom: 1px solid var(--rule); padding: 18px 0; overflow-x: auto; }
.strip ul { display: flex; gap: 0; list-style: none; margin: 0; padding: 0; min-width: max-content; }
.strip li { padding: 6px 22px; border-right: 1px solid var(--rule); font-family: var(--display); font-size: .74rem; letter-spacing: .14em; text-transform: uppercase; color: var(--ink-3); font-weight: 700; white-space: nowrap; }
.strip li:first-child { padding-left: 0; }
.strip li:last-child { border-right: 0; }
.strip li b { display: block; color: var(--ink); font-family: var(--mono); font-size: 1rem; letter-spacing: 0; text-transform: none; font-weight: 500; margin-top: 2px; }

/* feature bands */
.feature .wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.feature.flip .wrap > .art { order: 2; }
.feature .n { font: 800 .9rem/1 var(--display); color: var(--spot); letter-spacing: .1em; margin-bottom: 16px; display: block; }
.feature .art { display: flex; flex-direction: column; align-items: center; gap: 10px; }
.feature .art .ratecard { width: min(100%, 520px); margin: 0; }
.feature .art img { width: min(100%, 520px); }
.feature .art.bleed-r img { width: 120%; max-width: none; }
.feature p { color: var(--ink-2); }
.feature .kvs { border-top: 2px solid var(--ink); margin-top: 18px; }
.feature .kvs div { display: flex; justify-content: space-between; gap: 16px; padding: 8px 0; border-bottom: 1px solid var(--rule); font-size: .95rem; }
.feature .kvs b { font-family: var(--mono); font-weight: 500; white-space: nowrap; }
@media (max-width: 860px) { .feature .wrap { grid-template-columns: 1fr; gap: 24px; } .feature.flip .wrap > .art { order: 0; } .feature .art.bleed-r img { width: 100%; } }

/* showpiece */
.sky { background: var(--paper-2); border-top: 1px solid var(--rule); padding: 56px 0 0; overflow: hidden; text-align: center; }
.sky h2 { max-width: 760px; margin: 0 auto 10px; }
.sky p { color: var(--ink-2); max-width: 560px; margin: 0 auto 24px; }
.sky .figure { position: relative; max-width: 980px; margin: 0 auto; display: flex; justify-content: center; align-items: flex-end; gap: 0; }
.sky .figure img.op { width: min(44%, 420px); }
.sky .figure img.house { width: min(60%, 560px); margin-bottom: 6%; margin-left: -6%; }
.sky .floor { height: 12px; background: var(--spot); }

/* kit band — paper, not ink (owner asked for brighter checkout) */
.super { background: var(--paper-2); color: var(--ink); padding: 72px 0; border-top: 1px solid var(--rule); scroll-margin-top: var(--nav-h); }
.super .wrap { display: grid; grid-template-columns: 1.35fr 1fr; gap: 40px; align-items: start; }
.super h2 { color: var(--ink); }
.super .eyebrow { color: var(--ink-3); }
.super p, .super li { color: var(--ink-2); }
.super ul { padding-left: 18px; margin: 0 0 12px; }
.super li { margin-bottom: 8px; }
.super li b { color: var(--ink); }
.super .pricebox { background: #fff; border: 2px solid var(--ink); padding: 24px; box-shadow: 8px 8px 0 var(--spot); }
.super .pricebox .big { font: 800 3rem/1 var(--display); letter-spacing: -.03em; }
.super .pricebox small { color: var(--ink-3); display: block; margin: 8px 0 16px; }
.super .pricebox .btn.primary { width: 100%; text-align: center; }
.super .pricebox .fine { font-size: .82rem; color: var(--ink-3); margin: 12px 0 0; }
.super .pricebox img { width: 64px; margin-bottom: 14px; }
@media (max-width: 860px) { .super .wrap { grid-template-columns: 1fr; } }

/* closing */
.final { padding: 64px 0 0; text-align: center; }
.final .inner { max-width: 560px; margin: 0 auto 48px; }
.final p { color: var(--ink-2); }
.curve { height: 56px; background: var(--ink); clip-path: ellipse(60% 100% at 50% 100%); }

footer { background: var(--ink); color: var(--mute-on-ink); padding: 28px 0 44px; font-size: .88rem; }
footer .wrap { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; align-items: center; }
footer a { margin-right: 18px; color: #E4DFD5; text-decoration: none; }
footer p { margin: 0; }

/* article pages */
article { max-width: 720px; padding: calc(var(--nav-h) * .5) 0 48px; }
article .hero-a { padding: 40px 0 8px; }
article h2 { margin-top: 2.2rem; font-size: 1.6rem; }
article ul, article ol { padding-left: 20px; }
article li { margin-bottom: 6px; }
article .callout { background: var(--paper-2); border: 2px solid var(--ink); padding: 16px 18px; margin: 18px 0; }
table.rates { width: 100%; border-collapse: collapse; font-size: .93rem; margin: 12px 0 24px; }
table.rates th, table.rates td { text-align: left; padding: 8px 6px; border-bottom: 1px solid var(--rule); vertical-align: top; }
table.rates th { font-family: var(--display); font-size: .7rem; text-transform: uppercase; letter-spacing: .12em; color: var(--ink-3); }
table.rates td.num { text-align: right; }
.tablewrap { overflow-x: auto; }

/* reveal — scroll is the only clock */
.rise { opacity: 0; translate: 0 18px; transition: opacity .55s ease, translate .55s ease; }
.rise-l { opacity: 0; translate: -24px 0; transition: opacity .55s ease, translate .55s ease; }
.rise-r { opacity: 0; translate: 24px 0; transition: opacity .55s ease, translate .55s ease; }
.rise-pop { opacity: 0; scale: .96; transition: opacity .55s ease, scale .55s ease; }
.in { opacity: 1; translate: 0 0; scale: 1; }
.d1 { transition-delay: .08s } .d2 { transition-delay: .16s } .d3 { transition-delay: .24s }
/* drift: art parts move only with scroll distance from viewport centre (--a 0..1) */
.drift { --a: 0; --ox: 0px; --oy: 0px; transform: translate(calc(var(--ox) * var(--a)), calc(var(--oy) * var(--a))); will-change: transform; }
@media (prefers-reduced-motion: reduce) {
  .rise, .rise-l, .rise-r, .rise-pop { opacity: 1; translate: 0 0; scale: 1; transition: none; }
  .drift { transform: none; }
  html { scroll-behavior: auto; }
}
[hidden] { display: none !important; }

/* brand */
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; font: 800 1.15rem/1 var(--display); letter-spacing: -.02em; color: var(--ink); }
.brand svg { height: 26px; width: auto; }
.brand span { color: var(--spot); }
/* price book table */
.book { width: 100%; border-collapse: collapse; font-size: .92rem; }
.book th, .book td { padding: 8px 6px; border-bottom: 1px solid var(--rule); text-align: left; vertical-align: middle; }
.book th { font-family: var(--display); font-size: .68rem; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-3); position: sticky; top: var(--nav-h); background: var(--paper); }
.book td.num, .book th.num { text-align: right; font-family: var(--mono); white-space: nowrap; }
.book td.group { font-family: var(--display); font-weight: 800; font-size: .75rem; letter-spacing: .14em; text-transform: uppercase; color: var(--ink-2); padding-top: 18px; }
.book input[type=number] { width: 64px; padding: 5px 6px; font-size: .9rem; }
.book .flag { display: inline-block; padding: 2px 7px; font: 700 .68rem/1.4 var(--display); letter-spacing: .08em; text-transform: uppercase; border: 0; margin: 0; background: none; }
.book .flag.below { color: var(--warn); border-left: 3px solid var(--warn); }
.book .flag.above { color: var(--spot); border-left: 3px solid var(--spot); }
.book .flag.in { color: var(--ok); border-left: 3px solid var(--ok); }
.ratecard { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin: 14px 0 6px; }
.ratecard div { border: 2px solid var(--ink); background: #fff; padding: 12px 14px; }
.ratecard b { display: block; font: 800 1.5rem/1.1 var(--display); letter-spacing: -.02em; margin-bottom: 4px; }
.ratecard small { color: var(--ink-3); font-size: .78rem; line-height: 1.3; display: block; }
@media (max-width: 860px) { .ratecard { grid-template-columns: 1fr 1fr; } .book th { position: static; } }
.quotebar { position: sticky; bottom: 0; background: var(--ink); color: var(--paper); padding: 12px 0; border-top: 3px solid var(--spot); z-index: 10; }
.quotebar .wrap { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; }
.quotebar b { font: 800 1.4rem/1 var(--display); }
.quotebar small { color: var(--mute-on-ink); }
.quotebar .btn { background: var(--spot); border-color: var(--spot); color: #fff; box-shadow: 4px 4px 0 #fff; padding: 10px 14px; }