:root {
  --ink: #25231f;
  --paper: #f2eee5;
  --kraft: #b58c5b;
  --kraft-light: #d8c09e;
  --cream: #fbf8f1;
  --rust: #b9492f;
  --line: rgba(37,35,31,.22);
  --display: "Arial Rounded MT Bold", "Trebuchet MS", Arial, sans-serif;
  --body: "Trebuchet MS", Arial, sans-serif;
  --serif: Georgia, "Times New Roman", serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: var(--body); font-size: 16px; line-height: 1.5; overflow-x: hidden; }
img, svg { display: block; max-width: 100%; }
a { color: inherit; }
.skip-link { position: fixed; left: 1rem; top: -4rem; z-index: 100; padding: .7rem 1rem; background: var(--ink); color: white; }
.skip-link:focus { top: 1rem; }

.site-header { position: absolute; z-index: 5; top: 0; left: 0; width: 100%; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 2rem; padding: 1.35rem 2.2rem; border-bottom: 1px solid var(--line); }
.brand { font-family: var(--display); font-size: 1.55rem; font-weight: 900; letter-spacing: -.07em; text-decoration: none; }
.header-note { font-size: .7rem; letter-spacing: .15em; text-transform: uppercase; }
.header-link { justify-self: end; font-size: .76rem; font-weight: 700; letter-spacing: .06em; text-decoration: none; text-transform: uppercase; }

.hero { min-height: 100svh; position: relative; display: grid; grid-template-columns: .88fr 1.12fr; align-items: center; padding: 8rem 2.2rem 3rem; }
.hero-copy { position: relative; z-index: 2; padding: 3vw 1vw 3vw 4vw; }
.eyebrow, .section-number { margin: 0 0 2.2rem; font-size: .7rem; font-weight: 800; letter-spacing: .2em; text-transform: uppercase; }
h1, h2, h3, p { margin-top: 0; }
h1 { max-width: 800px; margin-bottom: 2rem; font-family: var(--display); font-size: clamp(4.4rem, 8.4vw, 10rem); line-height: .82; letter-spacing: -.075em; }
h1 em { color: var(--rust); font-family: var(--serif); font-weight: 400; }
.hero-deck { max-width: 35rem; font-size: clamp(1.1rem, 1.45vw, 1.35rem); line-height: 1.5; }
.text-link { display: inline-block; margin-top: 1rem; font-size: .76rem; font-weight: 800; letter-spacing: .14em; text-decoration-thickness: 1px; text-underline-offset: .45rem; text-transform: uppercase; }
.hero-image { margin: 0; align-self: stretch; min-width: 0; display: flex; flex-direction: column; justify-content: center; }
.hero-image picture { display: block; }
.hero-image img { width: 100%; border-radius: 999px 999px 1rem 1rem; object-fit: cover; box-shadow: 0 2.5rem 6rem rgba(75,55,34,.12); }
.hero-image figcaption { display: flex; justify-content: space-between; padding: .8rem .2rem; border-bottom: 1px solid var(--line); font-size: .66rem; letter-spacing: .15em; text-transform: uppercase; }
.material-stamp { position: absolute; right: 3.2rem; bottom: 2.6rem; width: 9rem; height: 9rem; display: grid; place-content: center; border: 1px solid var(--ink); border-radius: 50%; background: var(--kraft-light); text-align: center; transform: rotate(7deg); }
.material-stamp span { font-family: var(--display); font-size: 2rem; line-height: 1; }
.material-stamp small { margin-top: .35rem; font-size: .65rem; line-height: 1.2; letter-spacing: .14em; text-transform: uppercase; }

.manifesto { min-height: 92svh; display: grid; grid-template-columns: 1fr 3.1fr 1fr; gap: 3rem; align-items: center; padding: 8rem 5vw; background: var(--cream); border-top: 1px solid var(--line); }
.manifesto h2 { margin: 0; font-family: var(--display); font-size: clamp(3.5rem, 7.7vw, 9rem); line-height: .92; letter-spacing: -.065em; text-align: center; }
.manifesto h2 span { font-family: var(--serif); font-weight: 400; font-style: italic; }
.manifesto-side { align-self: end; max-width: 17rem; margin: 0 0 3rem; font-size: .9rem; }

.how { padding: 8rem 2.2rem 10rem; }
.section-heading { display: grid; grid-template-columns: 1fr 2fr; align-items: end; margin-bottom: 5rem; }
.section-heading h2, .materials h2, .specs h2 { margin: 0; font-family: var(--display); font-size: clamp(3.7rem, 7vw, 8rem); line-height: .87; letter-spacing: -.065em; }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--ink); border-left: 1px solid var(--ink); }
.step { border-right: 1px solid var(--ink); border-bottom: 1px solid var(--ink); }
.drawing-wrap { position: relative; padding: 2rem; background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px); background-size: 28px 28px; }
.blueprint { width: 100%; max-height: 270px; fill: none; stroke: var(--ink); stroke-width: 1.5; }
.blueprint .measure { stroke-width: .8; stroke-dasharray: 4 5; }
.blueprint .accent { stroke: var(--rust); stroke-width: 2; }
.drawing-label { position: absolute; left: 1rem; bottom: 1rem; padding: .2rem .4rem; background: var(--paper); font-family: monospace; font-size: .67rem; }
.step-copy { min-height: 15rem; padding: 2rem; }
.step-copy > span { float: right; font-family: var(--serif); font-size: 1.2rem; font-style: italic; }
.step h3 { margin-bottom: 1.2rem; font-family: var(--display); font-size: clamp(2rem, 3vw, 3.5rem); letter-spacing: -.05em; }
.step p { max-width: 21rem; margin: 0; font-size: .95rem; }

.materials { display: grid; grid-template-columns: 1.2fr .8fr; min-height: 90svh; background: var(--kraft-light); border-top: 1px solid var(--ink); border-bottom: 1px solid var(--ink); }
.material-visual { display: grid; place-items: center; padding: 4vw; background-image: radial-gradient(rgba(37,35,31,.18) 1px, transparent 1px); background-size: 16px 16px; border-right: 1px solid var(--ink); }
.material-visual svg { overflow: visible; }
.material-visual path { fill: rgba(242,238,229,.8); stroke: var(--ink); stroke-width: 1.5; }
.material-visual .liner-layer path { fill: rgba(255,255,255,.46); stroke: var(--rust); }
.material-visual .callout { fill: none; stroke-width: 1; stroke-dasharray: 5 5; }
.material-visual text { font-family: monospace; font-size: 13px; letter-spacing: 1px; }
.material-copy { padding: 7rem 5vw; }
.material-copy .lead { max-width: 28rem; margin: 2.5rem 0 4rem; font-family: var(--serif); font-size: 1.4rem; font-style: italic; }
dl { margin: 0; }
dl > div { display: grid; grid-template-columns: 6.5rem 1fr; gap: 1.2rem; padding: 1.5rem 0; border-top: 1px solid rgba(37,35,31,.4); }
dt { font-size: .7rem; font-weight: 800; letter-spacing: .13em; text-transform: uppercase; }
dd { margin: 0; font-size: .9rem; }

.specs { display: grid; grid-template-columns: .8fr 1.2fr; gap: 6vw; padding: 8rem 6vw; color: var(--paper); background: var(--ink); }
.inverse { color: var(--kraft-light); }
.spec-grid { display: grid; grid-template-columns: 1fr 1fr; align-content: center; }
.spec-grid div { min-height: 13rem; display: flex; flex-direction: column; justify-content: center; padding: 2rem; border: 1px solid rgba(242,238,229,.32); }
.spec-grid strong { font-family: var(--serif); font-size: clamp(2.6rem, 5vw, 5.8rem); font-style: italic; font-weight: 400; line-height: 1; }
.spec-grid span { margin-top: 1rem; color: var(--kraft-light); font-size: .72rem; letter-spacing: .15em; text-transform: uppercase; }
.spec-note { grid-column: 2; max-width: 37rem; margin: 0; color: rgba(242,238,229,.7); }

.offer { min-height: 92svh; display: flex; flex-direction: column; justify-content: space-between; padding: 4rem 5vw; background: var(--cream); }
.offer-kicker { font-size: .7rem; font-weight: 800; letter-spacing: .2em; text-align: center; }
.offer h2 { margin: 5rem auto; font-family: var(--display); font-size: clamp(4.7rem, 11vw, 13rem); line-height: .79; letter-spacing: -.075em; text-align: center; }
.offer h2 span { color: var(--rust); font-family: var(--serif); font-style: italic; font-weight: 400; }
.offer-bottom { display: flex; justify-content: space-between; align-items: end; padding-top: 2rem; border-top: 1px solid var(--ink); }
.offer-bottom p { margin: 0; }
.price { display: flex; align-items: baseline; gap: 1rem; }
.price small { letter-spacing: .14em; }
.price strong { font-family: var(--display); font-size: 3.2rem; letter-spacing: -.05em; }

footer { display: grid; grid-template-columns: auto 1fr 2fr auto; gap: 3rem; align-items: end; padding: 2.5rem 2.2rem; color: var(--paper); background: var(--rust); }
footer p { margin: 0; }
.footer-brand { font-size: 2rem; }
.fine-print { max-width: 38rem; opacity: .72; font-size: .7rem; }
.back-top { width: 3rem; height: 3rem; border: 1px solid var(--paper); border-radius: 50%; color: inherit; background: transparent; font-size: 1.2rem; cursor: pointer; }

.reveal { opacity: 0; transform: translateY(24px); transition: opacity .8s ease, transform .8s ease; }
.reveal.delay-1 { transition-delay: .12s; }
.reveal.visible { opacity: 1; transform: none; }

@media (max-width: 900px) {
  .site-header { grid-template-columns: 1fr auto; padding: 1.1rem 1rem; }
  .header-note { display: none; }
  .hero { min-height: auto; grid-template-columns: 1fr; padding: 8rem 1rem 4rem; }
  .hero-copy { padding: 1rem 0 3rem; }
  h1 { font-size: clamp(4rem, 18vw, 7rem); }
  .material-stamp { right: 1rem; bottom: 1.5rem; width: 7rem; height: 7rem; }
  .manifesto { min-height: 75svh; grid-template-columns: 1fr; gap: 2rem; padding: 6rem 1rem; }
  .manifesto h2 { text-align: left; }
  .manifesto-side { max-width: 29rem; margin: 0; }
  .section-heading { grid-template-columns: 1fr; gap: 2rem; }
  .how { padding: 6rem 1rem; }
  .steps { grid-template-columns: 1fr; }
  .materials { grid-template-columns: 1fr; }
  .material-visual { min-height: 70vw; border-right: 0; border-bottom: 1px solid var(--ink); }
  .material-copy { padding: 5rem 1.2rem; }
  .specs { grid-template-columns: 1fr; padding: 6rem 1rem; }
  .spec-note { grid-column: auto; }
  .offer { min-height: 75svh; padding: 3rem 1rem; }
  .offer-bottom { align-items: flex-start; gap: 2rem; }
  footer { grid-template-columns: 1fr auto; gap: 1.5rem; }
  footer p, .fine-print { grid-column: 1; }
  .back-top { grid-column: 2; grid-row: 1; }
}

@media (max-width: 560px) {
  .hero-image img { aspect-ratio: 1 / 1; object-position: 63% center; }
  .material-stamp { width: 6.6rem; height: 6.6rem; }
  .section-heading h2, .materials h2, .specs h2 { font-size: 3.5rem; }
  .spec-grid { grid-template-columns: 1fr; }
  .spec-grid div { min-height: 9rem; }
  .offer h2 { font-size: 21vw; }
  .offer-bottom { flex-direction: column; }
  dl > div { grid-template-columns: 1fr; gap: .5rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
}
