:root {
  --ink: #171512;
  --ink-soft: #25211d;
  --mineral: #f0e9dc;
  --paper: #f7f2e9;
  --oxide: #b4472e;
  --celadon: #aab5a7;
  --cobalt: #244a55;
  --stone: #7b7067;
  --line-dark: rgba(23, 21, 18, .2);
  --line-light: rgba(240, 233, 220, .22);
  --display: "Arial Narrow", "Bahnschrift Condensed", "Helvetica Neue", Arial, sans-serif;
  --serif: "STSong", "Songti SC", SimSun, Georgia, serif;
  --sans: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--ink); }
body { margin: 0; min-width: 320px; background: var(--ink); color: var(--mineral); font-family: var(--sans); font-size: 16px; line-height: 1.75; -webkit-font-smoothing: antialiased; }
body::before { content: ""; position: fixed; inset: 0; z-index: 1000; pointer-events: none; opacity: .035; background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 160 160' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.7'/%3E%3C/svg%3E"); }
a { color: inherit; text-decoration: none; }
img { display: block; width: 100%; }
button, input, textarea { font: inherit; }
button { color: inherit; }
h1, h2, h3, p { margin-top: 0; }
em { color: var(--oxide); font-family: var(--serif); font-style: normal; font-weight: 400; }

.skip-link { position: fixed; top: -80px; left: 18px; z-index: 200; padding: 10px 16px; background: var(--mineral); color: var(--ink); }
.skip-link:focus { top: 16px; }
.site-header { position: fixed; inset: 0 0 auto; z-index: 80; height: 76px; display: grid; grid-template-columns: minmax(300px, 1fr) auto auto; align-items: center; gap: 42px; padding: 0 34px 0 22px; border-bottom: 1px solid var(--line-light); background: linear-gradient(180deg, rgba(23,21,18,.88), rgba(23,21,18,.18)); backdrop-filter: blur(8px); }
.brand, .footer-brand { display: flex; align-items: center; gap: 13px; width: max-content; }
.brand-mark { display: grid; grid-template-columns: repeat(3, 3px); align-items: end; gap: 3px; width: 26px; height: 34px; }
.brand-mark i { display: block; background: var(--oxide); }
.brand-mark i:nth-child(1) { height: 18px; }
.brand-mark i:nth-child(2) { height: 30px; }
.brand-mark i:nth-child(3) { height: 24px; }
.brand > span:last-child { display: flex; flex-direction: column; line-height: 1.25; }
.brand strong { font-size: 13px; font-weight: 600; letter-spacing: .05em; }
.brand small { margin-top: 4px; color: rgba(240,233,220,.58); font-size: 8px; letter-spacing: .18em; }
.site-nav { display: flex; align-items: center; gap: clamp(20px, 2vw, 38px); }
.site-nav a { position: relative; color: rgba(240,233,220,.7); font-size: 11px; letter-spacing: .08em; }
.site-nav a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: -10px; height: 1px; background: var(--oxide); transition: right .25s ease; }
.site-nav a:hover, .site-nav a:focus-visible { color: var(--mineral); }
.site-nav a:hover::after, .site-nav a:focus-visible::after { right: 0; }
.menu-toggle { display: none; }

main { overflow: hidden; }
.numbered-section { position: relative; scroll-margin-top: 74px; }
.section-rail { position: absolute; inset: 0 auto 0 0; z-index: 20; width: 74px; display: flex; flex-direction: column; align-items: center; padding-top: 94px; border-right: 1px solid var(--line-light); color: var(--mineral); background: rgba(23,21,18,.74); }
.section-rail b { font-family: var(--display); font-size: 27px; font-weight: 300; line-height: 1; }
.section-rail span { margin-top: 24px; color: rgba(240,233,220,.68); font-size: 10px; line-height: 1.5; letter-spacing: .12em; text-align: center; }
.rail-dark { border-color: var(--line-dark); color: var(--ink); background: rgba(247,242,233,.88); }
.rail-dark span { color: rgba(23,21,18,.58); }
.eyebrow { margin-bottom: 22px; color: rgba(240,233,220,.62); font-size: 10px; font-weight: 700; letter-spacing: .22em; }
.dark-eyebrow { color: rgba(23,21,18,.6); }
h1, h2 { margin-bottom: 0; font-family: var(--display); font-weight: 700; letter-spacing: -.055em; line-height: .96; }
h1 { font-size: clamp(68px, 7.4vw, 116px); }
h2 { font-size: clamp(48px, 5.5vw, 86px); }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 52px; padding: 0 25px; border: 1px solid transparent; cursor: pointer; font-size: 12px; font-weight: 700; letter-spacing: .08em; transition: background .2s ease, color .2s ease, border-color .2s ease, transform .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-light { background: var(--mineral); color: var(--ink); }
.button-light:hover { background: var(--oxide); color: var(--paper); }
.button-ghost { border-color: rgba(240,233,220,.46); background: rgba(23,21,18,.25); }
.button-ghost:hover { border-color: var(--mineral); }
.button-dark { background: var(--ink); color: var(--mineral); }
.button-dark:hover { background: var(--oxide); }
figure { margin: 0; }
figcaption { position: absolute; right: 18px; bottom: 14px; z-index: 6; padding: 4px 7px; background: rgba(23,21,18,.68); color: rgba(240,233,220,.76); font-size: 9px; letter-spacing: .12em; }

.hero { min-height: 920px; display: flex; align-items: center; background: var(--ink); }
.hero::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(23,21,18,.96) 5%, rgba(23,21,18,.84) 35%, rgba(23,21,18,.08) 72%); }
.hero-visual { position: absolute; inset: 0; }
.hero-visual img { height: 100%; object-fit: cover; }
.hero-copy { position: relative; z-index: 10; width: min(700px, calc(100vw - 130px)); margin-left: max(116px, calc((100vw - 1280px) / 2)); padding-top: 62px; }
.hero h1 em { color: var(--mineral); font-family: var(--serif); }
.hero-lead { max-width: 590px; margin: 34px 0 35px; color: rgba(240,233,220,.72); line-height: 1.9; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.disclosure { margin: 28px 0 0; color: rgba(240,233,220,.52); font-size: 10px; letter-spacing: .15em; }
.scroll-cue { position: absolute; left: max(116px, calc((100vw - 1280px) / 2)); bottom: 30px; z-index: 10; display: flex; align-items: center; gap: 14px; color: rgba(240,233,220,.62); font-size: 9px; letter-spacing: .15em; }
.scroll-cue i { display: block; width: 64px; height: 1px; background: var(--oxide); }

.edge-study { min-height: 690px; background: #0f0e0c; }
.edge-study::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(15,14,12,.3), transparent 52%, rgba(15,14,12,.8)); pointer-events: none; }
.edge-visual { position: absolute; inset: 0 0 0 74px; }
.edge-visual img { height: 100%; object-fit: cover; }
.edge-copy { position: absolute; left: max(110px, calc((100vw - 1280px) / 2)); top: 50%; z-index: 8; transform: translateY(-50%); }
.edge-copy h2 { font-size: clamp(60px, 7vw, 108px); }
.edge-copy p:last-child { max-width: 520px; margin: 30px 0 0; color: rgba(240,233,220,.68); }
.edge-notes { position: absolute; z-index: 8; right: 38px; top: 50%; display: grid; gap: 18px; transform: translateY(-50%); }
.edge-notes span { padding-left: 18px; border-left: 1px solid var(--oxide); color: rgba(240,233,220,.62); font-size: 10px; letter-spacing: .08em; }

.product-folio { padding: 135px max(5vw, 90px) 125px max(9vw, 130px); background: var(--paper); color: var(--ink); }
.folio-copy { display: grid; grid-template-columns: 1.2fr .8fr; align-items: end; gap: 8%; margin-bottom: 72px; }
.folio-copy .eyebrow { grid-column: 1 / -1; }
.folio-copy h2 { max-width: 900px; }
.folio-copy p:last-child { margin: 0 0 10px; color: rgba(23,21,18,.6); line-height: 1.9; }
.family-visual { position: relative; }
.family-visual img { height: 520px; object-fit: cover; }
.product-lines { margin-top: 64px; border-top: 1px solid var(--line-dark); }
.product-lines article { display: grid; grid-template-columns: 55px minmax(220px, .7fr) 1fr auto; align-items: center; gap: 28px; min-height: 116px; border-bottom: 1px solid var(--line-dark); }
.product-lines b { color: var(--oxide); font-family: var(--display); font-size: 24px; }
.product-lines h3 { margin: 0; font-family: var(--serif); font-size: 35px; font-weight: 400; }
.product-lines p { margin: 0; color: rgba(23,21,18,.58); font-size: 12px; }
.product-lines a { color: var(--cobalt); font-size: 10px; font-weight: 700; letter-spacing: .1em; border-bottom: 1px solid currentColor; }

.space-scene { min-height: 820px; background: var(--ink); }
.space-visual { position: absolute; inset: 0 0 0 74px; }
.space-visual::after { content: ""; position: absolute; inset: 48% 0 0; background: linear-gradient(180deg, transparent, rgba(23,21,18,.92)); }
.space-visual img { height: 100%; object-fit: cover; }
.space-caption { position: absolute; z-index: 7; left: max(115px, calc((100vw - 1280px) / 2)); right: 54px; bottom: 52px; }
.space-caption h2 { max-width: 840px; }
.space-notes { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; margin-top: 42px; padding-top: 18px; border-top: 1px solid var(--line-light); }
.space-notes span { color: rgba(240,233,220,.7); font-size: 10px; letter-spacing: .12em; }

.manufacturing { min-height: 810px; background: #0b0a09; }
.kiln-visual { position: absolute; inset: 0 0 0 38%; }
.kiln-visual::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, #0b0a09, rgba(11,10,9,.2) 55%); }
.kiln-visual img { height: 100%; object-fit: cover; }
.kiln-copy { position: relative; z-index: 7; width: 53%; min-height: 810px; display: flex; flex-direction: column; justify-content: center; padding: 100px 8vw 80px max(115px, calc((100vw - 1280px) / 2)); }
.kiln-copy h2 { font-size: clamp(48px, 5vw, 78px); }
.record-pair { display: grid; grid-template-columns: 1fr 1fr; gap: 34px; margin-top: 46px; }
.record-pair article { padding-top: 16px; border-top: 1px solid var(--line-light); }
.record-pair b { color: var(--oxide); font-family: var(--display); font-size: 18px; letter-spacing: .04em; }
.record-pair p { margin: 12px 0; color: rgba(240,233,220,.68); font-size: 12px; line-height: 1.8; }
.record-pair a, .text-link { display: inline-block; color: var(--mineral); font-size: 10px; font-weight: 700; letter-spacing: .1em; border-bottom: 1px solid var(--oxide); }
.boundary-copy { margin: 34px 0 0; color: rgba(240,233,220,.46); font-size: 10px; line-height: 1.8; }

.material-bands { display: grid; grid-template-columns: .72fr 1.05fr 1.05fr; min-height: 880px; padding-left: 74px; background: var(--ink-soft); }
.material-intro { display: flex; flex-direction: column; justify-content: center; padding: 80px 45px; }
.material-intro h2 { font-size: clamp(44px, 4.4vw, 70px); }
.process-visual, .quality-visual { position: relative; overflow: hidden; }
.process-visual img, .quality-visual img { height: 100%; object-fit: cover; }
.process-visual { margin-top: 130px; }
.quality-visual { margin-bottom: 130px; }
.material-statements { grid-column: 1 / -1; display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line-light); }
.material-statements p { display: grid; grid-template-columns: 52px 1fr; gap: 20px; margin: 0; padding: 24px 35px; border-right: 1px solid var(--line-light); }
.material-statements p:last-child { border-right: 0; }
.material-statements b { color: var(--oxide); font-family: var(--serif); font-size: 35px; font-weight: 400; }
.material-statements span { color: rgba(240,233,220,.62); font-size: 11px; }

.development { display: grid; grid-template-columns: .85fr .9fr 1.25fr; min-height: 790px; padding-left: 74px; background: var(--ink); }
.development-copy { display: flex; flex-direction: column; justify-content: center; padding: 85px 48px; }
.list-index { margin-bottom: 20px; color: var(--mineral); font-family: var(--display); font-size: clamp(92px, 10vw, 168px); font-weight: 300; line-height: .8; letter-spacing: -.06em; }
.development-copy h2 { font-size: clamp(42px, 4vw, 64px); }
.development-copy > p:not(.eyebrow) { margin: 28px 0; color: rgba(240,233,220,.64); font-size: 12px; line-height: 1.9; }
.timeline { align-self: center; margin: 0; padding: 0 44px; list-style: none; border-left: 1px solid var(--line-light); }
.timeline li { display: grid; grid-template-columns: 56px 1fr; gap: 20px; padding: 23px 0; border-bottom: 1px solid var(--line-light); }
.timeline time { color: var(--oxide); font-family: var(--display); font-size: 16px; }
.timeline span { color: rgba(240,233,220,.66); font-size: 11px; }
.storage-visual { position: relative; min-height: 790px; overflow: hidden; }
.storage-visual::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(23,21,18,.32), transparent); }
.storage-visual img { height: 100%; object-fit: cover; }

.contact { display: grid; grid-template-columns: 1fr 1.15fr; gap: 8%; padding: 135px max(5vw, 80px) 115px max(10vw, 140px); background: var(--paper); color: var(--ink); }
.contact-intro h2 { font-size: clamp(48px, 5vw, 74px); }
.contact-intro > p:not(.eyebrow) { max-width: 650px; margin: 28px 0 42px; color: rgba(23,21,18,.62); line-height: 1.9; }
form { display: grid; grid-template-columns: 1fr 1fr; gap: 22px 32px; }
form label { display: grid; gap: 8px; color: rgba(23,21,18,.62); font-size: 10px; font-weight: 700; letter-spacing: .1em; }
form label:nth-child(3) { grid-column: 1 / -1; }
input, textarea { width: 100%; border: 0; border-bottom: 1px solid rgba(23,21,18,.35); border-radius: 0; padding: 10px 0; outline: 0; background: transparent; color: var(--ink); resize: vertical; }
input:focus, textarea:focus { border-color: var(--oxide); }
form .button { width: max-content; margin-top: 6px; }
.form-result { grid-column: 1 / -1; min-height: 24px; margin: 0; color: var(--oxide); font-size: 11px; }
.ledger-heading { display: flex; align-items: baseline; justify-content: space-between; gap: 20px; padding-bottom: 18px; border-bottom: 2px solid var(--ink); }
.ledger-heading h3 { margin: 0; font-family: var(--serif); font-size: 28px; font-weight: 400; }
.ledger-heading p { margin: 0; color: rgba(23,21,18,.55); font-size: 10px; }
.source-ledger ol { margin: 0; padding: 0; list-style: none; }
.source-ledger li { border-bottom: 1px solid var(--line-dark); scroll-margin-top: 85px; }
.source-ledger a { display: grid; grid-template-columns: 38px 1fr minmax(180px, .8fr); align-items: center; gap: 16px; padding: 16px 0; }
.source-ledger b { color: var(--oxide); font-family: var(--display); font-size: 16px; }
.source-ledger span { font-size: 12px; }
.source-ledger em { color: rgba(23,21,18,.54); font-family: var(--sans); font-size: 9px; font-style: normal; text-align: right; }
.source-ledger a:hover span { color: var(--oxide); }

footer { min-height: 122px; display: flex; align-items: center; justify-content: space-between; gap: 32px; padding: 0 38px 0 24px; border-top: 1px solid var(--line-light); background: var(--ink); color: rgba(240,233,220,.6); font-size: 10px; letter-spacing: .1em; }
.footer-brand strong { color: var(--mineral); font-size: 11px; }
:focus-visible { outline: 2px solid var(--oxide); outline-offset: 4px; }

@media (max-width: 1100px) {
  .site-header { grid-template-columns: 1fr auto auto; gap: 22px; }
  .site-nav { gap: 18px; }
  .site-nav a:nth-child(4) { display: none; }
  .hero-copy { margin-left: 105px; }
  .folio-copy { grid-template-columns: 1fr; gap: 28px; }
  .product-lines article { grid-template-columns: 48px .75fr 1fr auto; }
  .kiln-copy { width: 62%; }
  .material-bands { grid-template-columns: .8fr 1fr 1fr; }
  .development { grid-template-columns: 1fr 1fr; }
  .storage-visual { grid-column: 1 / -1; min-height: 550px; }
  .contact { grid-template-columns: 1fr; gap: 80px; }
}

@media (max-width: 820px) {
  .site-header { height: 68px; padding: 0 18px; }
  .brand small { display: none; }
  .site-nav { position: fixed; inset: 68px 0 auto; display: grid; grid-template-columns: 1fr 1fr; gap: 0; padding: 10px 20px 20px; border-bottom: 1px solid var(--line-light); background: rgba(23,21,18,.98); transform: translateY(-140%); opacity: 0; pointer-events: none; transition: transform .3s ease, opacity .3s ease; }
  .site-nav.is-open { transform: translateY(0); opacity: 1; pointer-events: auto; }
  .site-nav a, .site-nav a:nth-child(4) { display: block; padding: 15px 0; border-bottom: 1px solid var(--line-light); }
  .site-nav a:nth-child(odd) { margin-right: 18px; }
  .site-nav a::after { display: none; }
  .menu-toggle { display: grid; grid-template-columns: 18px auto; align-items: center; gap: 5px 8px; border: 0; padding: 7px; background: transparent; cursor: pointer; }
  .menu-toggle span { display: block; grid-column: 1; width: 18px; height: 1px; background: var(--mineral); transition: transform .25s ease; }
  .menu-toggle b { grid-column: 2; grid-row: 1 / span 2; color: rgba(240,233,220,.7); font-size: 9px; font-weight: 600; }
  .menu-toggle[aria-expanded="true"] span:first-child { transform: translateY(3px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] span:nth-child(2) { transform: translateY(-3px) rotate(-45deg); }
  .section-rail { top: 68px; bottom: auto; width: 52px; height: 100px; padding-top: 18px; }
  .section-rail b { font-size: 22px; }
  .section-rail span { margin-top: 10px; font-size: 8px; }
  .hero { min-height: 820px; align-items: end; }
  .hero::after { background: linear-gradient(180deg, rgba(23,21,18,.15), rgba(23,21,18,.98) 70%); }
  .hero-visual img { object-position: 65% center; }
  .hero-copy { width: auto; margin: 0; padding: 0 22px 82px; }
  h1 { font-size: clamp(62px, 16vw, 92px); }
  h2 { font-size: clamp(45px, 11vw, 70px); }
  .scroll-cue { display: none; }
  .edge-study { min-height: 760px; }
  .edge-visual { inset: 0; }
  .edge-visual img { object-position: 62% center; }
  .edge-study::after { background: linear-gradient(180deg, rgba(15,14,12,.1), rgba(15,14,12,.94) 68%); }
  .edge-copy { left: 22px; right: 22px; top: auto; bottom: 70px; transform: none; }
  .edge-copy h2 { font-size: clamp(55px, 14vw, 82px); }
  .edge-notes { display: none; }
  .product-folio { padding: 110px 20px 90px; }
  .family-visual img { height: 62vw; min-height: 300px; }
  .product-lines article { grid-template-columns: 38px 1fr auto; gap: 12px; padding: 18px 0; }
  .product-lines h3 { font-size: 29px; }
  .product-lines p { grid-column: 2 / -1; }
  .space-scene { min-height: 750px; }
  .space-visual { inset: 0; }
  .space-visual img { object-position: 58% center; }
  .space-caption { left: 22px; right: 22px; bottom: 38px; }
  .space-notes { grid-template-columns: 1fr; gap: 10px; }
  .kiln-visual { inset: 0; }
  .kiln-visual::after { background: linear-gradient(180deg, rgba(11,10,9,.25), #0b0a09 70%); }
  .kiln-copy { width: auto; min-height: 900px; justify-content: end; padding: 300px 22px 70px; }
  .record-pair { grid-template-columns: 1fr; gap: 22px; }
  .material-bands { grid-template-columns: 1fr; padding-left: 0; }
  .material-intro { min-height: 440px; padding: 140px 22px 60px; }
  .process-visual, .quality-visual { min-height: 540px; margin: 0; }
  .material-statements { grid-template-columns: 1fr; }
  .material-statements p { border-right: 0; border-bottom: 1px solid var(--line-light); }
  .development { grid-template-columns: 1fr; padding-left: 0; }
  .development-copy { padding: 150px 22px 70px; }
  .timeline { margin: 0 22px 70px; padding: 0 0 0 22px; }
  .storage-visual { min-height: 520px; }
  .contact { padding: 140px 20px 85px; }
  form { grid-template-columns: 1fr; }
  form label:nth-child(3), .form-result { grid-column: 1; }
  .ledger-heading { display: block; }
  .ledger-heading p { margin-top: 7px; }
  .source-ledger a { grid-template-columns: 34px 1fr; }
  .source-ledger em { grid-column: 2; text-align: left; }
  footer { align-items: flex-start; flex-direction: column; padding: 32px 20px; }
  footer p { margin: 0; }
}

@media (max-width: 480px) {
  .brand strong { max-width: 175px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 11px; }
  .hero-actions { display: grid; grid-template-columns: 1fr; }
  .button { min-height: 50px; }
  .hero-lead { font-size: 14px; }
  .product-lines a { font-size: 0; }
  .product-lines a::after { content: "↗"; font-size: 16px; }
  .folio-copy h2 { font-size: 48px; }
  .process-visual, .quality-visual { min-height: 460px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; }
}