:root {
  --ink: #151515;
  --ink-soft: #252424;
  --paper: #f3eee4;
  --paper-deep: #e3d7c2;
  --paper-muted: #b9ad99;
  --red: #d64a2f;
  --red-dark: #9f2d1d;
  --red-light: #ff826b;
  --gold: #c9973d;
  --white: #fffdf8;
  --line: rgba(21, 21, 21, .22);
  --line-light: rgba(243, 238, 228, .26);
  --max: 1440px;
  --gutter: clamp(20px, 5vw, 80px);
  --ease: cubic-bezier(.2, .75, .25, 1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Noto Sans SC", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.65;
  overflow-x: hidden;
}
body.menu-open { overflow: hidden; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
button, a, select, input, textarea { -webkit-tap-highlight-color: transparent; }

.skip-link {
  position: fixed;
  left: 16px;
  top: 12px;
  z-index: 300;
  padding: 9px 13px;
  color: var(--white);
  background: var(--red-dark);
  transform: translateY(-160%);
  transition: transform .2s var(--ease);
}
.skip-link:focus { transform: translateY(0); outline: 3px solid var(--gold); outline-offset: 3px; }

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 120;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
  padding: 12px var(--gutter);
  color: var(--paper);
  background: var(--ink);
  border-bottom: 1px solid rgba(243, 238, 228, .2);
  transition: background .25s var(--ease);
}
.site-header.is-scrolled { min-height: 66px; background: #0f0f0f; }
.brand { display: inline-flex; align-items: center; gap: 12px; min-width: 230px; }
.brand-mark { width: 42px; height: 42px; object-fit: cover; }
.brand-lockup { display: grid; gap: 0; line-height: 1.1; }
.brand-lockup strong { font-size: 17px; font-weight: 700; letter-spacing: .08em; }
.brand-lockup small { margin-top: 4px; color: var(--paper-muted); font-size: 9px; letter-spacing: .15em; }
.desktop-nav { display: flex; align-items: center; gap: clamp(16px, 2.8vw, 42px); }
.desktop-nav a {
  position: relative;
  padding: 10px 0;
  color: var(--paper-muted);
  font-size: 13px;
  letter-spacing: .08em;
  transition: color .2s ease;
}
.desktop-nav a::after { content: ""; position: absolute; left: 0; bottom: 3px; width: 100%; height: 2px; background: var(--red); transform: scaleX(0); transform-origin: left center; transition: transform .25s var(--ease); }
.desktop-nav a:hover, .desktop-nav a:focus-visible, .desktop-nav a[aria-current="true"] { color: var(--paper); }
.desktop-nav a:hover::after, .desktop-nav a:focus-visible::after, .desktop-nav a[aria-current="true"]::after { transform: scaleX(1); }
.menu-toggle {
  display: none;
  width: 48px;
  height: 48px;
  padding: 13px 10px;
  color: var(--paper);
  background: transparent;
  border: 1px solid rgba(243, 238, 228, .5);
  cursor: pointer;
}
.menu-toggle span { display: block; width: 26px; height: 1px; margin: 6px auto; background: currentColor; transition: transform .25s var(--ease); }
.menu-toggle[aria-expanded="true"] span:first-child { transform: translateY(3px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:last-child { transform: translateY(-4px) rotate(-45deg); }

.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 110;
  display: flex;
  flex-direction: column;
  padding: 106px var(--gutter) 26px;
  color: var(--paper);
  background: var(--ink);
  transform: translateX(102%);
  visibility: hidden;
  opacity: 0;
  transition: transform .35s var(--ease), opacity .25s ease;
}
.mobile-menu.is-open { transform: translateX(0); visibility: visible; opacity: 1; }
.mobile-menu-head { display: flex; justify-content: space-between; color: var(--paper-muted); font: 11px/1.2 monospace; letter-spacing: .14em; border-bottom: 1px solid var(--line-light); padding-bottom: 14px; }
.mobile-menu nav { display: grid; margin-top: 20px; }
.mobile-menu nav a { display: flex; align-items: baseline; justify-content: space-between; gap: 18px; padding: 18px 0; border-bottom: 1px solid var(--line-light); }
.mobile-menu nav a span { font-size: clamp(24px, 7vw, 34px); line-height: 1.1; }
.mobile-menu nav a small { color: var(--red-light); font: 10px/1 monospace; letter-spacing: .18em; }
.menu-close { align-self: flex-start; margin-top: auto; min-height: 48px; padding: 10px 18px; color: var(--paper); background: transparent; border: 1px solid rgba(243, 238, 228, .6); cursor: pointer; }

main { display: block; }
.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(420px, 1.1fr);
  grid-template-rows: auto auto;
  gap: 56px clamp(34px, 5vw, 92px);
  min-height: min(920px, 100vh);
  padding: 160px var(--gutter) 54px;
  background: var(--paper);
  isolation: isolate;
}
.hero::before { content: ""; position: absolute; inset: 76px 0 auto; height: 1px; background: var(--line); }
.hero-grid { position: absolute; inset: 76px 0 0; z-index: -1; pointer-events: none; }
.hero-grid::before, .hero-grid::after { content: ""; position: absolute; top: 0; bottom: 0; width: 1px; background: var(--line); }
.hero-grid::before { left: 5%; }
.hero-grid::after { left: 55%; }
.hero-grid span { position: absolute; top: 38%; left: 5%; right: 45%; height: 1px; background: var(--line); }
.hero-grid i { position: absolute; left: 55%; top: 0; bottom: 0; width: 1px; background: var(--line); }
.hero-grid b { position: absolute; right: 5%; top: 16%; width: 11px; height: 11px; background: var(--red); }
.hero-copy { align-self: center; max-width: 670px; }
.eyebrow, .section-index, .section-rail, figcaption, .product-meta small, .contact-note span { font: 10px/1.25 monospace; letter-spacing: .15em; }
.eyebrow { display: flex; flex-wrap: wrap; gap: 18px; align-items: center; margin: 0 0 30px; color: var(--red-dark); font-weight: 700; }
.eyebrow span { color: var(--ink); }
.hero h1, h2, h3, p { margin-top: 0; }
.hero h1, h2, h3 { font-family: Georgia, "Times New Roman", "Noto Serif SC", serif; }
.hero h1 { max-width: 720px; margin-bottom: 28px; font-size: clamp(42px, 6.5vw, 98px); line-height: .98; font-weight: 700; letter-spacing: -.06em; }
.hero h1 em, h2 em { color: var(--red-dark); font-style: normal; }
.hero-lead { max-width: 540px; margin-bottom: 34px; color: #4c4842; font-size: clamp(16px, 1.55vw, 20px); line-height: 1.8; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 22px; }
.button, .text-link, .submit-button { cursor: pointer; }
.button { display: inline-flex; align-items: center; justify-content: space-between; gap: 28px; min-height: 50px; padding: 12px 17px; font-size: 13px; letter-spacing: .06em; border: 1px solid var(--ink); transition: background .2s ease, color .2s ease, border-color .2s ease, transform .2s ease; }
.button:hover, .button:focus-visible { transform: translateY(-2px); }
.button-primary { color: var(--white); background: var(--red-dark); border-color: var(--red-dark); }
.button-primary:hover, .button-primary:focus-visible { color: var(--white); background: var(--ink); border-color: var(--ink); }
.text-link { display: inline-flex; align-items: center; gap: 9px; min-height: 44px; color: var(--ink); border-bottom: 1px solid var(--ink); font-size: 13px; }
.text-link:hover, .text-link:focus-visible { color: var(--red-dark); border-color: var(--red-dark); }
.hero-route { display: flex; align-items: center; gap: 8px; max-width: 420px; margin-top: 74px; color: var(--red); }
.hero-route span, .hero-route i, .hero-route b { display: block; height: 1px; background: currentColor; }
.hero-route span { width: 25%; }.hero-route i { width: 10px; height: 10px; border: 2px solid currentColor; background: var(--paper); }.hero-route b { flex: 1; }.hero-route em { width: 8px; height: 8px; background: currentColor; font-style: normal; }
.hero-visual { position: relative; align-self: center; margin: 0; min-width: 0; }
.hero-visual::before { content: ""; position: absolute; inset: -22px 22px 22px -22px; border: 1px solid var(--line); pointer-events: none; }
.hero-visual img { position: relative; width: 100%; aspect-ratio: 3 / 2; object-fit: cover; filter: saturate(.92) contrast(1.02); }
figcaption { display: flex; justify-content: space-between; gap: 12px; padding-top: 11px; color: #655f57; }
figcaption span { color: var(--red-dark); font-weight: 700; }
.hero-index { grid-column: 1 / -1; display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.hero-index div { min-height: 84px; padding: 18px 16px 15px 0; border-right: 1px solid var(--line); }
.hero-index div:last-child { border-right: 0; }
.hero-index span { display: block; margin-bottom: 9px; color: #6b645b; font: 10px/1.2 monospace; letter-spacing: .12em; }
.hero-index strong { display: block; font-size: 15px; letter-spacing: .03em; }

.materials-section, .route-section, .contact-section { position: relative; padding: 126px var(--gutter) 140px; background: var(--paper); }
.section-rail { display: flex; justify-content: space-between; gap: 20px; padding-bottom: 16px; color: #6f675e; border-bottom: 1px solid var(--line); }
.materials-grid { display: grid; grid-template-columns: minmax(0, .8fr) minmax(420px, 1.2fr); align-items: start; gap: clamp(34px, 7vw, 130px); padding-top: 70px; }
.section-index { margin-bottom: 24px; color: var(--red-dark); font-weight: 700; }
h2 { margin-bottom: 25px; font-size: clamp(36px, 5vw, 72px); line-height: 1.02; letter-spacing: -.07em; }
.lead-copy { max-width: 590px; color: #4c4842; font-size: 17px; line-height: 1.85; }
.material-note { display: grid; grid-template-columns: 24px 1fr; gap: 12px; max-width: 500px; margin-top: 45px; padding-top: 16px; border-top: 2px solid var(--red); }
.note-mark { color: var(--red); font-size: 14px; line-height: 1.5; }
.material-note p { margin: 0; color: #574f46; font-size: 14px; }
.material-visual { margin: 0; }
.material-visual img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; }
.material-spectrum { display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 86px; border-top: 1px solid var(--line); }
.material-spectrum div { min-height: 142px; padding: 20px 16px 16px 0; border-right: 1px solid var(--line); }
.material-spectrum div:last-child { border-right: 0; }
.material-spectrum span { display: block; margin-bottom: 22px; color: var(--red-dark); font: 11px monospace; }
.material-spectrum strong { display: block; margin-bottom: 7px; font-size: 17px; }
.material-spectrum small { color: #6b645b; font: 10px monospace; letter-spacing: .12em; }

.products-section { position: relative; padding: 120px var(--gutter) 132px; color: var(--paper); background: var(--ink); }
.dark-rail { color: var(--paper-muted); border-color: var(--line-light); }
.products-heading { display: grid; grid-template-columns: minmax(0, 1fr) minmax(260px, .54fr); align-items: end; gap: 48px; padding: 74px 0 60px; }
.products-heading .section-index { color: var(--red-light); }
.products-heading h2 { margin-bottom: 0; }
.products-heading h2 em { color: var(--red-light); }
.heading-note { max-width: 360px; margin: 0 0 7px; color: var(--paper-muted); font-size: 14px; line-height: 1.85; }
.product-list { border-top: 1px solid var(--line-light); }
.product-row { display: grid; grid-template-columns: 170px minmax(240px, .8fr) minmax(280px, 1.1fr); align-items: center; min-height: 278px; gap: clamp(25px, 4vw, 70px); padding: 38px 0; border-bottom: 1px solid var(--line-light); }
.product-row-paper { color: var(--ink); background: var(--paper); margin-inline: calc(var(--gutter) * -1); padding-inline: var(--gutter); border-color: var(--line); }
.product-row-dark { background: var(--ink-soft); margin-inline: calc(var(--gutter) * -1); padding-inline: var(--gutter); }
.product-meta { align-self: start; display: grid; gap: 12px; color: var(--red-light); font: 32px/1 monospace; }
.product-row-paper .product-meta { color: var(--red-dark); }
.product-meta small { color: var(--paper-muted); font-size: 10px; line-height: 1.3; }
.product-row-paper .product-meta small { color: #6b645b; }
.product-copy h3 { margin-bottom: 14px; font-size: clamp(24px, 3.2vw, 43px); line-height: 1.1; letter-spacing: -.05em; }
.product-copy p { max-width: 390px; margin-bottom: 22px; color: var(--paper-muted); font-size: 14px; line-height: 1.8; }
.product-row-paper .product-copy p { color: #5d564d; }
.product-copy a { display: inline-flex; align-items: center; gap: 10px; min-height: 44px; color: var(--red-light); border-bottom: 1px solid currentColor; font-size: 12px; letter-spacing: .08em; }
.product-row-paper .product-copy a { color: var(--red-dark); }
.product-copy a:hover, .product-copy a:focus-visible { color: var(--white); }
.product-row-paper .product-copy a:hover, .product-row-paper .product-copy a:focus-visible { color: var(--ink); }
.product-line { width: 100%; height: 1px; background: var(--red); opacity: .8; }
.product-visual { align-self: stretch; margin: 0; }
.product-visual img { width: 100%; height: 100%; min-height: 200px; object-fit: cover; }
.product-row-paper figcaption { color: #6b645b; }
.product-row-dark figcaption { color: var(--paper-muted); }

.route-section { padding-bottom: 130px; }
.route-heading { max-width: 840px; padding: 74px 0 62px; }
.route-heading p:last-child { max-width: 530px; margin: 0; color: #5d564d; font-size: 17px; line-height: 1.85; }
.route-grid { display: grid; grid-template-columns: minmax(250px, .78fr) minmax(420px, 1.22fr); gap: clamp(36px, 7vw, 120px); align-items: start; }
.route-steps { border-top: 1px solid var(--line); }
.route-step { display: grid; grid-template-columns: 54px 1fr; gap: 16px; padding: 22px 0; border-bottom: 1px solid var(--line); }
.route-step > span { color: var(--red-dark); font: 14px monospace; }
.route-step h3 { margin-bottom: 5px; font-size: 20px; line-height: 1.2; }
.route-step p { max-width: 430px; margin: 0; color: #61594f; font-size: 14px; line-height: 1.7; }
.route-visual { margin: 0; }
.route-visual img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; }
.route-field { display: grid; grid-template-columns: minmax(220px, .55fr) minmax(420px, 1.45fr); gap: clamp(30px, 6vw, 100px); align-items: center; margin-top: 120px; padding-top: 30px; border-top: 1px solid var(--line); }
.field-copy h3 { margin-bottom: 18px; font-size: clamp(30px, 4vw, 56px); line-height: 1.03; letter-spacing: -.06em; }
.field-copy p:last-child { max-width: 360px; margin: 0; color: #61594f; font-size: 14px; line-height: 1.8; }
.field-visual { margin: 0; }
.field-visual img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; }

.record-section { display: grid; grid-template-columns: minmax(360px, .8fr) minmax(0, 1.2fr); gap: clamp(40px, 8vw, 135px); align-items: center; padding: 140px var(--gutter); color: var(--paper); background: var(--ink-soft); }
.record-visual { position: relative; margin: 0; color: var(--paper-muted); }
.record-visual svg { display: block; width: min(100%, 560px); margin: 0 auto; }
.diagram-caption { display: flex; justify-content: space-between; padding-top: 16px; color: var(--paper-muted); font: 10px monospace; letter-spacing: .15em; border-top: 1px solid var(--line-light); }
.diagram-caption b { color: var(--red-light); }
.record-copy .section-index { color: var(--red-light); }
.record-copy h2 em { color: var(--red-light); }
.record-copy .lead-copy { color: var(--paper-muted); }
.timeline { position: relative; display: grid; gap: 0; margin: 44px 0 0; padding: 0; list-style: none; border-top: 1px solid var(--line-light); }
.timeline::before { content: ""; position: absolute; left: 58px; top: 0; bottom: 0; width: 1px; background: var(--red); opacity: .9; }
.timeline li { position: relative; display: grid; grid-template-columns: 94px 1fr; gap: 24px; padding: 22px 0; border-bottom: 1px solid var(--line-light); }
.timeline time { color: var(--red-light); font: 13px monospace; }
.timeline li strong { display: block; margin-bottom: 6px; color: var(--paper); font-size: 16px; }
.timeline li p { margin: 0; color: var(--paper-muted); font-size: 13px; line-height: 1.7; }
.investment-line { display: grid; grid-template-columns: 1fr auto 1fr auto; align-items: end; gap: 12px 20px; padding-top: 32px; }
.investment-line span { color: var(--paper-muted); font: 10px monospace; letter-spacing: .1em; }
.investment-line strong { color: var(--paper); font: 700 clamp(22px, 3vw, 36px)/1 monospace; }
.investment-line small { color: var(--red-light); font-size: 11px; }
.record-boundary { max-width: 560px; margin: 28px 0 0; padding-top: 16px; color: var(--paper-muted); border-top: 1px solid var(--line-light); font-size: 12px; }

.contact-section { display: grid; grid-template-columns: minmax(300px, .92fr) minmax(360px, 1.08fr); gap: clamp(40px, 8vw, 140px); }
.contact-intro > p:not(.section-index) { max-width: 500px; color: #5d564d; font-size: 17px; line-height: 1.85; }
.contact-note { display: flex; flex-wrap: wrap; align-items: center; gap: 14px 22px; margin: 34px 0 45px; padding: 17px 0; border-top: 2px solid var(--red); border-bottom: 1px solid var(--line); }
.contact-note span { color: var(--red-dark); font-weight: 700; }
.contact-note strong { font-size: 15px; }
.contact-visual { margin: 0; }
.contact-visual img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; }
form { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); align-content: start; gap: 26px 22px; padding-top: 24px; border-top: 1px solid var(--line); }
.field { display: grid; gap: 7px; }
.field-wide { grid-column: 1 / -1; }
.field label { color: #5d564d; font: 10px monospace; letter-spacing: .12em; }
.field input, .field select, .field textarea { width: 100%; min-height: 47px; padding: 9px 0; color: var(--ink); background: transparent; border: 0; border-bottom: 1px solid #7f776b; border-radius: 0; outline: none; }
.field select { cursor: pointer; }
.field textarea { min-height: 106px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--red-dark); box-shadow: 0 2px 0 var(--red-dark); }
.submit-button { display: inline-flex; grid-column: 1 / -1; align-items: center; justify-content: space-between; width: 100%; min-height: 54px; padding: 12px 16px; color: var(--white); background: var(--red-dark); border: 1px solid var(--red-dark); font-size: 14px; letter-spacing: .08em; transition: background .2s ease, border-color .2s ease, transform .2s ease; }
.submit-button:hover, .submit-button:focus-visible { background: var(--ink); border-color: var(--ink); transform: translateY(-2px); }
.form-status { grid-column: 1 / -1; min-height: 25px; margin: 0; color: var(--red-dark); font-size: 13px; }
.form-status:focus { outline: 2px solid var(--red-dark); outline-offset: 5px; }

.site-footer { display: grid; grid-template-columns: 1fr auto auto; align-items: center; gap: 30px; padding: 25px var(--gutter); color: var(--paper-muted); background: var(--ink); border-top: 1px solid var(--line-light); font-size: 11px; }
.site-footer p { margin: 0; }
.footer-brand { display: inline-flex; align-items: center; gap: 10px; color: var(--paper); }
.footer-brand img { width: 28px; height: 28px; }
.footer-brand strong { font-size: 13px; letter-spacing: .08em; }

.reveal { opacity: 1; transform: none; }
.motion-ready .reveal { opacity: 0; transform: translateY(18px); transition: opacity .65s var(--ease), transform .65s var(--ease); }
.motion-ready .reveal.is-visible { opacity: 1; transform: translateY(0); }

a:focus-visible, button:focus-visible { outline: 3px solid var(--gold); outline-offset: 3px; }

@media (max-width: 1000px) {
  .desktop-nav { gap: 16px; }
  .desktop-nav a { font-size: 11px; }
  .hero { grid-template-columns: minmax(0, .9fr) minmax(320px, 1.1fr); gap: 38px; }
  .hero h1 { font-size: clamp(42px, 6vw, 70px); }
  .product-row { grid-template-columns: 110px minmax(200px, .9fr) minmax(240px, 1.1fr); gap: 24px; }
  .record-section { gap: 45px; }
}

@media (max-width: 820px) {
  .desktop-nav { display: none; }
  .menu-toggle { display: block; }
  .hero { grid-template-columns: 1fr; min-height: auto; padding-top: 140px; }
  .hero-copy { max-width: 760px; }
  .hero-visual { width: min(100%, 720px); justify-self: end; }
  .hero-index { margin-top: 15px; }
  .materials-grid, .route-grid, .route-field, .record-section, .contact-section { grid-template-columns: 1fr; }
  .materials-grid { gap: 54px; }
  .material-visual, .route-visual, .field-visual { width: min(100%, 720px); justify-self: end; }
  .product-row { grid-template-columns: 100px 1fr; }
  .product-line { display: none; }
  .product-visual { grid-column: 2; }
  .record-section { gap: 70px; }
  .record-visual svg { max-height: 500px; }
  .contact-section { gap: 70px; }
}

@media (max-width: 560px) {
  :root { --gutter: 20px; }
  .site-header { min-height: 68px; padding-block: 10px; }
  .site-header.is-scrolled { min-height: 62px; }
  .brand { min-width: 0; gap: 9px; }
  .brand-mark { width: 36px; height: 36px; }
  .brand-lockup strong { font-size: 15px; }
  .brand-lockup small { font-size: 8px; letter-spacing: .1em; }
  .hero { gap: 38px; padding-top: 118px; padding-bottom: 36px; }
  .hero::before { inset: 68px 0 auto; }
  .hero-grid { inset: 68px 0 0; }
  .hero-grid::after { left: 72%; }
  .hero-grid span { left: 20px; right: 28%; }
  .eyebrow { gap: 10px; margin-bottom: 22px; font-size: 9px; letter-spacing: .1em; }
  .hero h1 { margin-bottom: 22px; font-size: clamp(40px, 12vw, 58px); letter-spacing: -.09em; }
  .hero-lead { margin-bottom: 27px; font-size: 15px; line-height: 1.75; }
  .hero-actions { align-items: stretch; flex-direction: column; gap: 12px; }
  .button { width: 100%; }
  .text-link { align-self: flex-start; }
  .hero-route { margin-top: 48px; }
  .hero-index { grid-template-columns: repeat(2, 1fr); }
  .hero-index div { min-height: 74px; padding: 14px 10px 13px 0; }
  .hero-index div:nth-child(2) { border-right: 0; }
  .hero-index div:nth-child(-n + 2) { border-bottom: 1px solid var(--line); }
  .hero-index strong { font-size: 13px; }
  .materials-section, .route-section, .contact-section { padding-top: 88px; padding-bottom: 92px; }
  .products-section { padding-top: 86px; padding-bottom: 94px; }
  .section-rail { font-size: 9px; }
  .materials-grid { padding-top: 44px; }
  h2 { margin-bottom: 20px; font-size: clamp(36px, 11vw, 52px); }
  .lead-copy { font-size: 15px; line-height: 1.8; }
  .material-note { margin-top: 30px; }
  .material-spectrum { grid-template-columns: repeat(2, 1fr); margin-top: 56px; }
  .material-spectrum div { min-height: 118px; padding-top: 15px; }
  .material-spectrum div:nth-child(2) { border-right: 0; }
  .material-spectrum div:nth-child(-n + 2) { border-bottom: 1px solid var(--line); }
  .material-spectrum span { margin-bottom: 15px; }
  .material-spectrum strong { font-size: 15px; }
  .products-heading { grid-template-columns: 1fr; gap: 20px; padding: 48px 0 38px; }
  .heading-note { margin: 0; font-size: 13px; }
  .product-row, .product-row-paper, .product-row-dark { grid-template-columns: 1fr; min-height: auto; gap: 22px; margin-inline: calc(var(--gutter) * -1); padding: 30px var(--gutter); }
  .product-meta { display: flex; align-items: baseline; justify-content: space-between; }
  .product-copy h3 { font-size: 32px; }
  .product-copy p { font-size: 14px; }
  .product-visual { grid-column: auto; }
  .product-visual img { min-height: 0; aspect-ratio: 3 / 2; }
  .route-heading { padding: 48px 0 40px; }
  .route-heading p:last-child { font-size: 15px; }
  .route-step { grid-template-columns: 42px 1fr; gap: 10px; padding: 18px 0; }
  .route-step h3 { font-size: 18px; }
  .route-step p { font-size: 13px; }
  .route-field { margin-top: 74px; }
  .field-copy h3 { font-size: 38px; }
  .record-section { padding-top: 90px; padding-bottom: 98px; }
  .record-visual svg { max-height: 350px; }
  .record-copy .lead-copy { font-size: 15px; }
  .timeline { margin-top: 32px; }
  .timeline::before { left: 47px; }
  .timeline li { grid-template-columns: 76px 1fr; gap: 14px; padding: 18px 0; }
  .timeline li p { font-size: 12px; }
  .investment-line { grid-template-columns: 1fr auto; gap: 11px 14px; }
  .investment-line span:nth-of-type(2) { grid-column: 1; }
  .investment-line strong { font-size: 23px; }
  .record-boundary { font-size: 11px; }
  .contact-section { gap: 48px; }
  form { grid-template-columns: 1fr; gap: 22px; }
  .field-wide, .submit-button, .form-status { grid-column: 1; }
  .site-footer { grid-template-columns: 1fr; gap: 12px; padding-block: 22px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .motion-ready .reveal, .motion-ready .reveal.is-visible { opacity: 1; transform: none; }
}