:root {
  --river: #061d2d;
  --river-2: #0b344c;
  --river-3: #165773;
  --copper: #c77a4b;
  --signal: #ad2828;
  --paper: #f2f3ef;
  --white: #ffffff;
  --ink: #10212a;
  --muted: #526168;
  --line: rgba(16, 33, 42, .18);
  --line-light: rgba(255, 255, 255, .22);
  --content: min(1280px, calc(100vw - 96px));
  --header-h: 78px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: var(--header-h); }
body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  background: var(--paper);
  font-family: "Noto Sans SC", "Microsoft YaHei", "PingFang SC", system-ui, sans-serif;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
body.menu-open { overflow: hidden; }
a { color: inherit; }
img { display: block; width: 100%; }
button, input, textarea { font: inherit; }
button { cursor: pointer; }
address { font-style: normal; }

.skip-link {
  position: fixed;
  z-index: 200;
  left: 18px;
  top: -60px;
  padding: 10px 16px;
  color: var(--white);
  background: var(--signal);
  transition: top .2s ease;
}
.skip-link:focus { top: 12px; }

:focus-visible {
  outline: 3px solid #f1b382;
  outline-offset: 4px;
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  height: var(--header-h);
  padding: 0 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--white);
  border-bottom: 1px solid rgba(255, 255, 255, .2);
  background: linear-gradient(to bottom, rgba(3, 20, 32, .78), rgba(3, 20, 32, .18));
  transition: background .25s ease, box-shadow .25s ease;
}
.site-header.is-scrolled { background: rgba(4, 24, 37, .94); box-shadow: 0 12px 32px rgba(0, 0, 0, .16); backdrop-filter: blur(14px); }
.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; }
.brand-mark { width: 45px; height: 45px; flex: 0 0 auto; }
.brand-copy { display: grid; gap: 1px; line-height: 1.2; }
.brand-copy strong { font-size: 16px; letter-spacing: .08em; }
.brand-copy small { font-size: 9px; letter-spacing: .19em; color: rgba(255, 255, 255, .62); }
.site-nav { display: flex; align-items: center; gap: clamp(18px, 2.5vw, 40px); }
.site-nav a { position: relative; font-size: 14px; text-decoration: none; color: rgba(255, 255, 255, .78); }
.site-nav a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: -8px; height: 2px; background: var(--signal); transition: right .2s ease; }
.site-nav a:hover { color: var(--white); }
.site-nav a:hover::after, .site-nav a:focus-visible::after { right: 0; }
.menu-toggle { display: none; border: 0; background: transparent; color: inherit; }

.hero {
  position: relative;
  min-height: 900px;
  height: 100svh;
  overflow: hidden;
  color: var(--white);
  background: var(--river);
}
.hero-media { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center; }
.hero-shade { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(3, 18, 29, .92) 0%, rgba(3, 18, 29, .68) 32%, rgba(3, 18, 29, .05) 66%, rgba(3, 18, 29, .25) 100%), linear-gradient(0deg, rgba(3, 18, 29, .9) 0%, transparent 37%); }
.hero-copy { position: absolute; left: max(48px, calc((100vw - 1280px) / 2)); top: 23%; width: min(680px, 54vw); }
.eyebrow, .section-code { margin: 0 0 26px; font-size: 11px; font-weight: 700; letter-spacing: .24em; color: var(--signal); }
.eyebrow { color: #f1b382; }
.hero h1, h2, h3, p { margin-top: 0; }
.hero h1 { margin-bottom: 28px; font-family: "Songti SC", "STSong", "Noto Serif SC", serif; font-size: clamp(54px, 6vw, 94px); line-height: 1.04; letter-spacing: -.045em; font-weight: 600; }
.hero h1 em { color: #f1b382; font-style: normal; }
.hero-copy > p:not(.eyebrow) { max-width: 610px; color: rgba(255, 255, 255, .76); font-size: 17px; line-height: 1.9; }
.hero-link { display: inline-flex; gap: 32px; align-items: center; margin-top: 24px; padding-bottom: 10px; border-bottom: 1px solid rgba(255, 255, 255, .55); text-decoration: none; font-size: 14px; }
.hero-link span { color: var(--signal); font-size: 20px; }
.hero-facts { position: absolute; left: max(48px, calc((100vw - 1280px) / 2)); right: max(48px, calc((100vw - 1280px) / 2)); bottom: 74px; margin: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid var(--line-light); }
.hero-facts div { padding: 21px 30px 0 0; }
.hero-facts dt { margin-bottom: 4px; color: rgba(255, 255, 255, .48); font-size: 10px; letter-spacing: .16em; }
.hero-facts dd { margin: 0; font-size: 15px; }
.route-line { position: absolute; right: 34px; top: 20%; bottom: 150px; display: flex; flex-direction: column; align-items: center; color: rgba(255, 255, 255, .44); font-size: 8px; letter-spacing: .18em; writing-mode: vertical-rl; }
.route-line i { flex: 1; width: 1px; margin: 12px 0; background: linear-gradient(var(--signal), rgba(255, 255, 255, .15)); }

.section-intro, .structure-heading, .marine-heading { width: var(--content); margin: 0 auto; }
.section-intro { display: grid; grid-template-columns: 1fr 1fr; gap: 90px; align-items: end; padding: 140px 0 80px; }
.section-intro .section-code { grid-column: 1 / -1; margin-bottom: -52px; }
.section-intro h2, .structure-heading h2, .marine-heading h2, .quality h2, .green h2, .contact h2, .drum h2 { margin-bottom: 0; font-family: "Songti SC", "STSong", "Noto Serif SC", serif; font-size: clamp(42px, 5vw, 72px); line-height: 1.12; letter-spacing: -.04em; font-weight: 600; }
.section-intro > p:last-child, .structure-heading > p:last-child, .marine-heading > p:last-child { margin-bottom: 7px; color: var(--muted); font-size: 16px; line-height: 1.9; }
.system-index { width: var(--content); margin: 0 auto 70px; display: flex; flex-wrap: wrap; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.system-index span { position: relative; padding: 18px 34px 18px 0; margin-right: 34px; font-size: 13px; color: #3c505a; }
.system-index span:not(:last-child)::after { content: "/"; position: absolute; right: 0; color: var(--copper); }
.conductor-spread { position: relative; width: var(--content); min-height: 650px; margin: 0 auto 140px; overflow: hidden; background: var(--river); }
.conductor-spread img { height: 650px; object-fit: cover; object-position: 62% center; }
.conductor-spread::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(3, 23, 36, .92) 0 30%, rgba(3, 23, 36, .08) 63%); }
.conductor-spread figcaption { position: absolute; z-index: 2; left: 56px; top: 50%; width: 340px; transform: translateY(-50%); color: var(--white); }
.conductor-spread figcaption span, .layer-copy > span { color: var(--copper); font-size: 11px; font-weight: 700; letter-spacing: .2em; }
.conductor-spread h3 { margin: 18px 0; font-size: 34px; line-height: 1.25; }
.conductor-spread p { color: rgba(255, 255, 255, .68); }

.structure { padding: 140px 0; color: var(--white); background: var(--river); overflow: hidden; }
.structure-heading { display: grid; grid-template-columns: 1fr 1fr; gap: 90px; align-items: end; margin-bottom: 110px; }
.structure-heading .section-code { grid-column: 1 / -1; margin-bottom: -52px; }
.section-code--light { color: #f1a978; }
.structure-heading > p:last-child { color: rgba(255, 255, 255, .62); }
.cable-explorer { width: var(--content); margin: 0 auto 110px; }
.explorer-caption { display: flex; justify-content: space-between; gap: 20px; color: #b8cbd5; font-size: 12px; letter-spacing: .08em; }
.cable-drawing { margin: 24px 0 32px; background: radial-gradient(ellipse at 50% 60%, #123d55 0, transparent 70%); }
.cable-drawing svg { display: block; width: 100%; height: auto; overflow: visible; }
.explorer-axis { fill: none; stroke: #7298ab; stroke-width: 1; stroke-dasharray: 4 10; }
.cable-piece { opacity: .55; transform-box: fill-box; transform-origin: center; transition: opacity .35s ease, transform .35s ease; }
.cable-piece.is-selected { opacity: 1; transform: translateY(-10px); }
.piece-leader { fill: none; stroke: #b7cdd9; stroke-width: 1; }
.cable-piece text { fill: #e2eef4; font-size: 18px; font-family: inherit; letter-spacing: 2px; }
.explorer-controls { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-top: 1px solid #6f8793; border-bottom: 1px solid #6f8793; }
.explorer-controls button { display: flex; align-items: center; justify-content: space-between; gap: 12px; min-height: 72px; padding: 16px 20px; color: #d6e1e6; background: transparent; border: 0; border-bottom: 3px solid transparent; font-size: 20px; }
.explorer-controls button span:first-child { font-size: 11px; letter-spacing: .12em; }
.explorer-controls button span:last-child { font-size: 21px; }
.explorer-controls button:hover { color: #fff; background: #133c52; }
.explorer-controls button[aria-pressed="true"] { color: #f1b382; border-bottom-color: #f1b382; background: #0b344c; }
.explorer-detail { display: grid; grid-template-columns: 100px 1fr auto; gap: 32px; align-items: center; min-height: 200px; padding: 36px 0; }
.detail-number { margin: 0; color: #f1b382; font-size: 76px; line-height: 1; font-family: "Songti SC", "STSong", serif; }
.explorer-detail h3 { margin: 0 0 12px; font-size: 28px; font-weight: 500; }
.explorer-detail div p { max-width: 640px; margin: 0; color: #b8cbd5; font-size: 15px; }
.detail-keywords { color: #b8cbd5; font-size: 12px; white-space: nowrap; }
.explorer-note { margin: 0; color: #a9bbc8; font-size: 12px; }
.layer { width: var(--content); margin: 0 auto; display: grid; grid-template-columns: 1.55fr .75fr; align-items: center; gap: 7vw; }
.layer + .layer { margin-top: 110px; }
.layer--armor { grid-template-columns: .75fr 1.55fr; }
.layer figure { margin: 0; position: relative; }
.layer figure::before { content: ""; position: absolute; left: -22px; top: 50%; width: 22px; height: 1px; background: var(--signal); }
.layer img { aspect-ratio: 4 / 3; object-fit: cover; }
.layer--armor img { aspect-ratio: 16 / 9; }
.layer-copy h3 { margin: 20px 0 18px; font-size: 30px; }
.layer-copy p { color: rgba(255, 255, 255, .68); }
.layer-copy small { display: block; margin-top: 38px; color: #a9bbc8; font-size: 9px; letter-spacing: .18em; }

.drum { position: relative; min-height: 760px; color: var(--white); overflow: hidden; background: var(--river); }
.drum > img { position: absolute; inset: 0; height: 100%; object-fit: cover; }
.drum::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(2, 15, 24, .88), rgba(2, 15, 24, .14) 68%), linear-gradient(0deg, rgba(2, 15, 24, .65), transparent 50%); }
.drum-copy { position: relative; z-index: 2; width: var(--content); margin: 0 auto; padding-top: 155px; }
.drum-copy h2 { max-width: 700px; }
.drum-copy > p:last-child { max-width: 560px; margin-top: 30px; color: rgba(255, 255, 255, .7); font-size: 16px; }

.marine { padding: 145px 0 0; background: #e8eceb; }
.marine-heading { display: grid; grid-template-columns: 1fr 1fr; gap: 90px; align-items: end; margin-bottom: 80px; }
.marine-heading .section-code { grid-column: 1 / -1; margin-bottom: -52px; }
.water-entry { margin: 0; display: grid; grid-template-columns: 1fr 390px; min-height: 630px; background: var(--river); }
.water-entry img { height: 630px; object-fit: cover; }
.water-entry figcaption { padding: 80px 54px; color: var(--white); display: flex; flex-direction: column; justify-content: flex-end; border-left: 1px solid var(--line-light); }
.water-entry figcaption strong { color: #f1a978; font-size: 11px; letter-spacing: .16em; }
.water-entry figcaption span { margin: 18px 0; font-family: "Songti SC", "STSong", serif; font-size: 27px; line-height: 1.35; }
.water-entry figcaption small { color: #a9bbc8; line-height: 1.7; }

.quality { display: grid; grid-template-columns: 1.12fr .88fr; min-height: 760px; color: var(--white); background: #081722; }
.quality-media { margin: 0; overflow: hidden; }
.quality-media img { height: 100%; object-fit: cover; }
.quality-copy { display: flex; flex-direction: column; justify-content: center; padding: 90px clamp(54px, 7vw, 110px); }
.quality-copy > p:not(.section-code) { margin: 30px 0 50px; color: rgba(255, 255, 255, .65); }
.verify-rail { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line-light); }
.verify-rail li { display: grid; grid-template-columns: 45px 82px 1fr; align-items: baseline; padding: 15px 0; border-bottom: 1px solid var(--line-light); }
.verify-rail span { color: var(--copper); font-size: 10px; }
.verify-rail strong { font-size: 14px; }
.verify-rail small { color: #a9bbc8; }

.green { position: relative; min-height: 760px; overflow: hidden; background: var(--river); }
.green figure { position: absolute; inset: 0; margin: 0; }
.green figure img { width: 100%; height: 100%; object-fit: cover; }
.green::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(6, 29, 45, .94) 0 30%, rgba(6, 29, 45, .24) 70%); }
.green-copy { position: relative; z-index: 2; width: var(--content); margin: 0 auto; padding-top: 130px; color: var(--white); }
.green-copy .section-code { color: #f1a978; }
.green-copy h2 { max-width: 640px; }
.green-copy > p:not(.section-code) { max-width: 530px; margin: 28px 0 44px; color: rgba(255, 255, 255, .7); }
.green-record { width: min(520px, 100%); display: grid; gap: 4px; padding: 24px 0; border-top: 1px solid var(--line-light); border-bottom: 1px solid var(--line-light); }
.green-record span { color: #f1a978; font-size: 10px; letter-spacing: .16em; }
.green-record strong { font-family: "Songti SC", "STSong", serif; font-size: 24px; }
.green-record small { color: #a9bbc8; }

.contact { display: grid; grid-template-columns: 1fr 1fr; background: var(--river); color: var(--white); border-top: 1px solid var(--line-light); }
.contact-intro, .inquiry-form { padding: 120px max(48px, calc((100vw - 1280px) / 2)); }
.contact-intro { padding-right: 8vw; border-right: 1px solid var(--line-light); }
.contact-intro h2 { font-size: clamp(40px, 4.4vw, 66px); }
.contact-intro > p:not(.section-code) { max-width: 590px; margin: 28px 0 46px; color: rgba(255, 255, 255, .64); }
.contact address { display: grid; gap: 7px; padding-top: 25px; border-top: 1px solid var(--line-light); }
.contact address span { color: #f1a978; font-size: 11px; letter-spacing: .12em; }
.contact address a { width: fit-content; font-size: 19px; text-decoration: none; }
.contact address p { color: rgba(255, 255, 255, .55); }
.inquiry-form { padding-left: 7vw; display: grid; align-content: center; gap: 24px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.inquiry-form label { display: grid; gap: 9px; color: rgba(255, 255, 255, .72); font-size: 12px; letter-spacing: .08em; }
.inquiry-form input, .inquiry-form textarea { width: 100%; color: var(--white); background: transparent; border: 0; border-bottom: 1px solid #6f8793; border-radius: 0; padding: 10px 2px 12px; resize: vertical; }
.inquiry-form input:focus, .inquiry-form textarea:focus { border-color: #f1b382; }
.inquiry-form textarea::placeholder { color: #a9bbc8; opacity: 1; }
.inquiry-form button { display: flex; justify-content: space-between; align-items: center; margin-top: 8px; padding: 16px 19px; color: var(--white); background: var(--signal); border: 1px solid var(--signal); border-radius: 0; font-weight: 700; }
.inquiry-form button:hover { background: #bb332d; border-color: #bb332d; }
.form-status { min-height: 26px; margin: 0; color: #f4bd96; font-size: 13px; }

.site-footer { padding: 52px 48px 34px; color: rgba(255, 255, 255, .64); background: #03141f; }
.footer-brand { display: flex; align-items: baseline; gap: 26px; padding-bottom: 36px; border-bottom: 1px solid var(--line-light); }
.footer-brand strong { color: var(--white); font-size: 20px; letter-spacing: .08em; }
.footer-brand span { font-size: 13px; }
.site-footer nav { display: flex; gap: 32px; padding: 28px 0; }
.site-footer nav a { font-size: 12px; text-decoration: none; }
.site-footer nav a:hover { color: var(--white); }
.footer-meta { display: flex; justify-content: space-between; gap: 24px; padding-top: 18px; border-top: 1px solid rgba(255, 255, 255, .1); font-size: 11px; }

[data-reveal] { opacity: 0; transform: translateY(22px); transition: opacity .65s ease, transform .65s ease; }
[data-reveal].is-visible { opacity: 1; transform: none; }

@media (max-width: 1100px) {
  :root { --content: min(100% - 56px, 1000px); }
  .hero-copy, .hero-facts { left: 28px; right: 28px; }
  .hero-copy { width: min(680px, 68vw); }
  .site-header { padding-inline: 28px; }
  .contact-intro, .inquiry-form { padding-inline: 50px; }
  .water-entry { grid-template-columns: 1fr 330px; }
}

@media (max-width: 860px) {
  :root { --content: calc(100vw - 40px); --header-h: 68px; }
  .site-header { height: var(--header-h); padding: 0 20px; background: rgba(4, 24, 37, .9); }
  .brand-mark { width: 38px; height: 38px; }
  .brand-copy strong { font-size: 14px; }
  .brand-copy small { font-size: 8px; }
  .menu-toggle { position: relative; z-index: 102; display: grid; width: 46px; height: 46px; place-content: center; gap: 7px; padding: 0; }
  .menu-toggle span { display: block; width: 24px; height: 2px; background: currentColor; transition: transform .25s ease; }
  .menu-toggle[aria-expanded="true"] span:first-child { transform: translateY(4.5px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] span:last-child { transform: translateY(-4.5px) rotate(-45deg); }
  .site-nav { position: fixed; inset: 0; z-index: 101; display: flex; flex-direction: column; justify-content: center; align-items: flex-start; gap: 0; padding: 100px 30px 40px; background: #041a29; visibility: hidden; opacity: 0; pointer-events: none; transition: opacity .25s ease, visibility .25s ease; }
  .site-nav.is-open { visibility: visible; opacity: 1; pointer-events: auto; }
  .site-nav a { width: 100%; padding: 18px 0; font-family: "Songti SC", "STSong", serif; font-size: 28px; color: var(--white); border-bottom: 1px solid var(--line-light); }
  .site-nav a::after { display: none; }
  .hero { min-height: 790px; height: 100svh; }
  .hero-media { object-position: 66% center; }
  .hero-shade { background: linear-gradient(90deg, rgba(3, 18, 29, .9), rgba(3, 18, 29, .25)), linear-gradient(0deg, rgba(3, 18, 29, .96), rgba(3, 18, 29, .08) 65%); }
  .hero-copy { left: 20px; top: 18%; width: calc(100% - 40px); }
  .hero h1 { font-size: clamp(48px, 10vw, 72px); }
  .hero-copy > p:not(.eyebrow) { width: min(580px, 100%); font-size: 15px; }
  .hero-facts { left: 20px; right: 20px; bottom: 35px; }
  .hero-facts div { padding-right: 12px; }
  .hero-facts dd { font-size: 13px; }
  .route-line { display: none; }
  .section-intro, .structure-heading, .marine-heading { grid-template-columns: 1fr; gap: 28px; padding-top: 100px; }
  .section-intro .section-code, .structure-heading .section-code, .marine-heading .section-code { grid-column: auto; margin-bottom: 0; }
  .section-intro { padding-bottom: 55px; }
  .system-index { margin-bottom: 50px; }
  .system-index span { padding: 12px 20px 12px 0; margin-right: 20px; }
  .conductor-spread { min-height: 560px; margin-bottom: 100px; }
  .conductor-spread img { height: 560px; object-position: 73% center; }
  .conductor-spread::after { background: linear-gradient(0deg, rgba(3, 23, 36, .94) 0 38%, rgba(3, 23, 36, .1) 74%); }
  .conductor-spread figcaption { left: 30px; right: 30px; top: auto; bottom: 35px; width: auto; transform: none; }
  .structure { padding: 100px 0; }
  .structure-heading { margin-bottom: 70px; padding-top: 0; }
  .cable-explorer { margin-bottom: 80px; }
  .explorer-detail { grid-template-columns: 70px 1fr; gap: 20px; }
  .detail-number { font-size: 60px; }
  .detail-keywords { grid-column: 2; }
  .layer, .layer--armor { grid-template-columns: 1fr; gap: 35px; }
  .layer--armor .layer-copy { order: 2; }
  .layer + .layer { margin-top: 80px; }
  .layer-copy small { margin-top: 25px; }
  .drum { min-height: 650px; }
  .drum-copy { padding-top: 100px; }
  .marine { padding-top: 100px; }
  .marine-heading { margin-bottom: 55px; padding-top: 0; }
  .water-entry { grid-template-columns: 1fr; }
  .water-entry img { height: auto; aspect-ratio: 16 / 9; }
  .water-entry figcaption { padding: 40px 28px 50px; border-left: 0; border-top: 1px solid var(--line-light); }
  .quality { grid-template-columns: 1fr; }
  .quality-media img { aspect-ratio: 4 / 3; }
  .quality-copy { padding: 80px 28px; }
  .green { min-height: 690px; }
  .green::after { background: linear-gradient(90deg, rgba(6, 29, 45, .9), rgba(6, 29, 45, .15)), linear-gradient(0deg, rgba(6, 29, 45, .9), transparent 68%); }
  .green-copy { padding-top: 90px; }
  .contact { grid-template-columns: 1fr; }
  .contact-intro { border-right: 0; border-bottom: 1px solid var(--line-light); }
  .contact-intro, .inquiry-form { padding: 85px 28px; }
}

@media (max-width: 540px) {
  .brand { min-height: 44px; }
  .contact address a { display: inline-flex; align-items: center; min-height: 44px; }
  .inquiry-form input { min-height: 44px; }
  .site-footer nav a { display: inline-flex; align-items: center; min-height: 44px; }
  .brand-copy small { display: none; }
  .hero { min-height: 760px; }
  .hero h1 { font-size: 49px; line-height: 1.08; }
  .eyebrow, .section-code { letter-spacing: .17em; }
  .hero-facts { grid-template-columns: 1fr; bottom: 20px; }
  .hero-facts div { display: flex; justify-content: space-between; gap: 15px; padding: 9px 0; border-bottom: 1px solid rgba(255, 255, 255, .13); }
  .hero-facts dd { text-align: right; }
  .section-intro h2, .structure-heading h2, .marine-heading h2, .quality h2, .green h2, .contact h2, .drum h2 { font-size: 39px; }
  .conductor-spread { width: 100%; }
  .conductor-spread figcaption { left: 20px; right: 20px; }
  .conductor-spread h3 { font-size: 28px; }
  .layer { width: 100%; }
  .explorer-caption { flex-direction: column; gap: 7px; }
  .explorer-controls { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .explorer-controls button { min-height: 60px; padding: 12px; font-size: 18px; }
  .explorer-detail { align-items: start; min-height: 245px; padding: 28px 0; }
  .explorer-detail h3 { font-size: 23px; }
  .detail-number { font-size: 50px; }
  .layer-copy { padding: 0 20px; }
  .layer figure::before { display: none; }
  .drum-copy { padding-top: 80px; }
  .drum-copy > p:last-child { max-width: 90%; }
  .quality-copy { padding-inline: 20px; }
  .verify-rail li { grid-template-columns: 34px 65px 1fr; }
  .green-copy { padding-top: 70px; }
  .green-copy > p:not(.section-code) { max-width: 90%; }
  .field-row { grid-template-columns: 1fr; }
  .contact-intro, .inquiry-form { padding: 70px 20px; }
  .site-footer { padding: 40px 20px 28px; }
  .footer-brand { align-items: flex-start; flex-direction: column; gap: 6px; }
  .site-footer nav { flex-wrap: wrap; gap: 15px 24px; }
  .footer-meta { flex-direction: column; gap: 8px; }
}

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