/* Ruiming demo — graphite foundry theme */
:root {
  --ink: #0b0d10;
  --ink-2: #12151a;
  --ink-3: #1a1e24;
  --line: rgba(255, 255, 255, .09);
  --text: #eceef1;
  --mute: #959ca6;
  --red: #d7000f;
  --red-2: #ff2a36;
  --molten: #ff6a1a;
  --paper: #f2f3f4;
  --paper-2: #e6e8eb;
  --steel: #c8cdd3;
  --dark-text: #15181c;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
  --wrap: min(1240px, calc(100% - 48px));
  --ease: cubic-bezier(.2, .7, .1, 1);
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body { margin: 0; background: var(--ink); color: var(--text); font: 16px/1.6 var(--sans); overflow-x: hidden; }
img { max-width: 100%; display: block; }
a { color: inherit; }
h1, h2, h3 { margin: 0; font-weight: 600; letter-spacing: -.02em; line-height: 1.08; }
p { margin: 0 0 1em; }
.wrap { width: var(--wrap); margin: 0 auto; }
.mono { font-family: var(--mono); letter-spacing: .04em; }
.eyebrow { font: 500 12px/1.4 var(--mono); letter-spacing: .18em; text-transform: uppercase; color: var(--red-2); display: inline-flex; align-items: center; gap: 10px; }
.eyebrow::before { content: ""; width: 22px; height: 1px; background: currentColor; }
.skip { position: absolute; left: -999px; }
.skip:focus { left: 12px; top: 12px; z-index: 100; background: #fff; color: #000; padding: 8px 12px; }

/* Demo banner + header */
.demo-bar { background: #000; color: #b9bec5; font: 12px/1.4 var(--mono); text-align: center; padding: 7px 12px; letter-spacing: .04em; position: relative; z-index: 60; }
.demo-bar b { color: #fff; font-weight: 500; }
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(11, 13, 16, .55); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); border-bottom: 1px solid var(--line); transition: background .4s, padding .4s; }
.site-header .wrap { display: flex; align-items: center; gap: 28px; height: 76px; transition: height .4s var(--ease); }
.site-header.scrolled { background: rgba(11, 13, 16, .9); }
.site-header.scrolled .wrap { height: 60px; }
.brand { display: flex; align-items: center; flex: 0 0 auto; }
.brand img { height: 22px; width: auto; transition: height .4s var(--ease); }
.site-header.scrolled .brand img { height: 18px; }
.menu { display: flex; gap: 26px; margin-left: auto; align-items: center; }
.menu a { text-decoration: none; font-size: 14px; color: #cfd3d8; position: relative; padding: 4px 0; }
.menu a::after { content: ""; position: absolute; left: 0; right: 0; bottom: -2px; height: 1px; background: var(--red-2); transform: scaleX(0); transform-origin: left; transition: transform .35s var(--ease); }
.menu a:hover::after, .menu a[aria-current="page"]::after { transform: scaleX(1); }
.lang { display: flex; border: 1px solid var(--line); border-radius: 999px; overflow: hidden; }
.lang button { background: none; border: 0; color: var(--mute); font: 12px/1 var(--mono); padding: 8px 10px; cursor: pointer; }
.lang button[aria-pressed="true"] { background: var(--text); color: var(--ink); }
.lang button:hover:not([aria-pressed="true"]) { color: #fff; }
.btn { display: inline-flex; align-items: center; gap: 10px; padding: 14px 22px; border-radius: 999px; font: 500 14px/1 var(--sans); text-decoration: none; border: 1px solid transparent; cursor: pointer; transition: background .3s, color .3s, border-color .3s, transform .3s var(--ease); }
.btn-red { background: var(--red); color: #fff; }
.btn-red:hover { background: #ec0613; }
.btn-ghost { border-color: rgba(255, 255, 255, .25); color: #fff; background: rgba(255, 255, 255, .03); }
.btn-ghost:hover { border-color: #fff; }
.btn .arr { transition: transform .3s var(--ease); }
.btn:hover .arr { transform: translateX(4px); }
.menu-toggle { display: none; margin-left: auto; background: none; border: 1px solid var(--line); color: #fff; border-radius: 10px; width: 42px; height: 38px; font-size: 18px; cursor: pointer; }
.head-cta { padding: 11px 18px; }

/* Toast for RU / 中文 */
.toast { position: fixed; left: 50%; top: 96px; z-index: 90; width: min(440px, calc(100% - 32px)); transform: translate(-50%, -16px); opacity: 0; pointer-events: none; background: rgba(18, 21, 26, .96); border: 1px solid rgba(255, 255, 255, .14); border-left: 3px solid var(--red); border-radius: 14px; padding: 16px 18px; box-shadow: 0 24px 60px rgba(0, 0, 0, .5); transition: opacity .35s, transform .45s var(--ease); }
.toast.show { opacity: 1; transform: translate(-50%, 0); pointer-events: auto; }
.toast b { display: block; font-size: 15px; margin-bottom: 4px; }
.toast span { display: block; font-size: 13px; color: var(--mute); }

/* Hero */
.hero { position: relative; min-height: calc(100svh - 106px); display: flex; align-items: center; overflow: hidden; isolation: isolate; background:
  radial-gradient(600px 420px at var(--gx, 70%) var(--gy, 40%), rgba(255, 90, 20, calc(var(--heat, 0) * .22)), transparent 70%),
  linear-gradient(rgba(255, 255, 255, .035) 1px, transparent 1px) 0 0 / 48px 48px,
  linear-gradient(90deg, rgba(255, 255, 255, .035) 1px, transparent 1px) 0 0 / 48px 48px,
  var(--ink); }
.hero::after { content: ""; position: absolute; inset: auto 0 0; height: 140px; background: linear-gradient(transparent, var(--ink)); z-index: -1; pointer-events: none; }
.hero-cast { position: absolute; inset: 0; z-index: -1; touch-action: pan-y; }
.hero .wrap { position: relative; padding: 80px 0 96px; pointer-events: none; }
.hero .wrap a, .hero .wrap button { pointer-events: auto; }
.hero-copy { max-width: 520px; }
.hero h1 { font-size: clamp(40px, 4.2vw, 60px); margin: 22px 0 24px; }
.hero h1 em { font-style: normal; color: #ff7a2a; text-shadow: 0 0 34px rgba(255, 106, 26, .45); }
.hero .lede { font-size: 18px; color: #b6bcc4; max-width: 500px; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.hero-hint { position: absolute; right: 24px; bottom: 26px; font: 11px/1.4 var(--mono); letter-spacing: .14em; color: #7d848e; text-transform: uppercase; z-index: 2; }
.hero-hint i { display: inline-block; width: 7px; height: 7px; border-radius: 50%; background: var(--molten); margin-right: 8px; box-shadow: 0 0 12px var(--molten); animation: pulse 1.6s infinite; }
@keyframes pulse { 50% { opacity: .35; } }
.page-hero { padding: 96px 0 60px; border-bottom: 1px solid var(--line); background: radial-gradient(700px 300px at 85% 0%, rgba(215, 0, 15, .16), transparent 70%), var(--ink); }
.page-hero h1 { font-size: clamp(36px, 5vw, 64px); margin: 18px 0 18px; max-width: 900px; }
.page-hero p { color: #b6bcc4; max-width: 680px; font-size: 18px; }

/* Marquee */
.marquee { border-block: 1px solid var(--line); overflow: hidden; padding: 18px 0; background: var(--ink-2); }
.marquee-track { display: flex; gap: 36px; width: max-content; animation: marq 46s linear infinite; font: 500 14px/1 var(--mono); letter-spacing: .14em; text-transform: uppercase; color: #8e959f; white-space: nowrap; }
.marquee-track i { color: var(--red-2); font-style: normal; }
@keyframes marq { to { transform: translateX(-50%); } }

/* Sections */
.sec { padding: 120px 0; position: relative; }
.sec-head { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: end; margin-bottom: 56px; }
.sec-head h2 { font-size: clamp(30px, 3.8vw, 52px); margin-top: 16px; }
.sec-head p { color: var(--mute); margin: 0; max-width: 520px; justify-self: end; }
.light { background: var(--paper); color: var(--dark-text); }
.light .sec-head p { color: #5d646d; }
.light .eyebrow { color: var(--red); }

/* Stats */
.stats { display: grid; grid-template-columns: repeat(5, 1fr); border-top: 1px solid var(--line); }
.stat { padding: 34px 22px 8px 0; border-right: 1px solid var(--line); }
.stat + .stat { padding-left: 22px; }
.stat:last-child { border-right: 0; }
.stat b { display: block; font-size: clamp(34px, 3.6vw, 52px); font-weight: 600; letter-spacing: -.03em; line-height: 1; font-variant-numeric: tabular-nums; }
.stat b small { font-size: .5em; color: var(--red-2); margin-left: 2px; }
.stat span { display: block; margin-top: 12px; font-size: 13px; color: var(--mute); }
.claim { display: grid; grid-template-columns: 1.3fr 1fr; gap: 60px; align-items: center; margin-top: 110px; }
.claim blockquote { margin: 0; font-size: clamp(28px, 3.4vw, 46px); line-height: 1.15; letter-spacing: -.02em; font-weight: 500; }
.claim blockquote strong { color: var(--red-2); font-weight: 600; }
.claim p { color: var(--mute); }
.claim cite { display: block; margin-top: 18px; font: 12px/1.4 var(--mono); color: #6f7680; font-style: normal; letter-spacing: .08em; }

/* Series */
.series { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.serie { position: relative; background: #fff; border-radius: 18px; overflow: hidden; text-decoration: none; color: var(--dark-text); border: 1px solid var(--paper-2); transition: filter .5s, opacity .5s, transform .5s var(--ease), box-shadow .5s; display: flex; flex-direction: column; }
.serie .ph { aspect-ratio: 4 / 3; background: #fff; overflow: hidden; }
.serie .ph img { width: 100%; height: 100%; object-fit: contain; padding: 18px; mix-blend-mode: multiply; transition: transform .9s var(--ease); }
.serie:hover .ph img { transform: scale(1.06); }
.serie .tx { padding: 18px 22px 22px; border-top: 1px solid var(--paper-2); margin-top: auto; }
.serie .idx { font: 12px/1 var(--mono); color: var(--red); letter-spacing: .1em; }
.serie h3 { font-size: 21px; margin: 10px 0 6px; }
.serie p { font-size: 14px; color: #5d646d; margin: 0; }
.series:hover .serie:not(:hover) { filter: grayscale(1) brightness(.92); opacity: .62; }
.serie:hover { box-shadow: 0 30px 60px -30px rgba(0, 0, 0, .35); }

/* Process */
.process { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: 18px; overflow: hidden; }
.proc { background: var(--ink-2); padding: 32px 26px 30px; position: relative; overflow: hidden; }
.proc .n { font: 12px/1 var(--mono); color: var(--mute); letter-spacing: .12em; }
.proc h3 { font-size: 22px; margin: 44px 0 10px; }
.proc p { color: var(--mute); font-size: 14px; margin: 0; }
.proc svg { position: absolute; right: 22px; top: 24px; width: 46px; height: 46px; stroke: var(--red-2); fill: none; stroke-width: 1.4; }

/* Plants */
.plants { display: grid; grid-template-columns: 1.15fr 1fr; gap: 64px; align-items: start; }
.plant-media { position: sticky; top: 100px; border-radius: 18px; overflow: hidden; aspect-ratio: 4 / 3.3; }
.plant-media img { width: 100%; height: 100%; object-fit: cover; }
.plant-list { display: grid; gap: 0; }
.plant { border-top: 1px solid var(--line); padding: 28px 0; display: grid; grid-template-columns: 54px 1fr; gap: 10px 18px; }
.plant .n { font: 13px/1.6 var(--mono); color: var(--red-2); }
.plant h3 { font-size: 22px; }
.plant p { grid-column: 2; color: var(--mute); margin: 0; font-size: 15px; }
.plant dl { grid-column: 2; display: flex; flex-wrap: wrap; gap: 10px 28px; margin: 8px 0 0; }
.plant dt { font: 11px/1.4 var(--mono); color: #6f7680; letter-spacing: .1em; text-transform: uppercase; }
.plant dd { margin: 2px 0 0; font-size: 20px; font-weight: 600; }

/* Lab */
.lab { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.lab-photo { border-radius: 18px; overflow: hidden; min-height: 360px; }
.lab-photo img { width: 100%; height: 100%; object-fit: cover; }
.equip { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--paper-2); border: 1px solid var(--paper-2); border-radius: 18px; overflow: hidden; }
.equip div { background: #fff; padding: 22px; }
.equip b { display: block; font-size: 16px; }
.equip span { font: 11px/1.4 var(--mono); color: #7a818a; letter-spacing: .08em; text-transform: uppercase; }

/* Certificates */
.certs { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.cert { margin: 0; background: var(--ink-2); border: 1px solid var(--line); border-radius: 16px; padding: 18px; position: relative; overflow: hidden; }
.cert .ph { aspect-ratio: 3 / 4; overflow: hidden; border-radius: 8px; background: #fff; }
.cert img { width: 100%; height: 100%; object-fit: cover; object-position: top; }
.cert h3 { font-size: 15px; margin: 16px 0 4px; letter-spacing: 0; line-height: 1.3; }
.cert p { font: 11px/1.4 var(--mono); color: var(--mute); margin: 0; letter-spacing: .06em; }

/* Timeline */
.timeline { display: grid; grid-template-columns: repeat(6, 1fr); row-gap: 34px; }
.tl { padding: 26px 26px 6px 0; position: relative; border-top: 1px solid var(--line); }
.tl::before { content: ""; position: absolute; top: -5px; left: 0; width: 9px; height: 9px; border-radius: 50%; background: var(--ink); border: 1px solid var(--red-2); }
.tl b { font-size: 30px; font-weight: 600; letter-spacing: -.02em; }
.tl p { color: var(--mute); font-size: 14px; margin: 8px 0 0; }

/* FAQ */
.faq-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 48px; }
.faq-grid details { border-top: 1px solid var(--paper-2); padding: 22px 0; }
.faq-grid summary { cursor: pointer; font-size: 18px; font-weight: 600; list-style: none; display: flex; justify-content: space-between; gap: 18px; }
.faq-grid summary::-webkit-details-marker { display: none; }
.faq-grid summary::after { content: "+"; flex: 0 0 22px; width: 22px; height: 22px; margin-right: 8px; text-align: center; font: 400 22px/22px var(--mono); color: var(--red); transition: transform .35s var(--ease); }
.faq-grid details[open] summary::after { transform: rotate(45deg); }
.faq-grid details p { margin: 12px 0 0; color: #50575f; }

/* Contact */
.contact-grid { display: grid; grid-template-columns: 1fr 1.15fr; gap: 64px; }
.contact-info h2 { font-size: clamp(32px, 4vw, 54px); margin: 18px 0 22px; }
.contact-info p { color: var(--mute); }
.contact-list { list-style: none; padding: 0; margin: 32px 0 0; display: grid; gap: 0; }
.contact-list li { border-top: 1px solid var(--line); padding: 16px 0; display: grid; grid-template-columns: 130px 1fr; gap: 12px; font-size: 15px; }
.contact-list span { font: 11px/1.8 var(--mono); color: #6f7680; letter-spacing: .1em; text-transform: uppercase; }
.contact-list a { text-decoration: none; }
.contact-list a:hover { color: var(--red-2); }
.inquiry { background: var(--ink-2); border: 1px solid var(--line); border-radius: 22px; padding: 34px; display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.inquiry h3 { grid-column: 1 / -1; font-size: 22px; margin-bottom: 4px; }
.inquiry label { display: grid; gap: 7px; font: 11px/1.4 var(--mono); color: #8a919b; letter-spacing: .1em; text-transform: uppercase; }
.inquiry .full { grid-column: 1 / -1; }
.inquiry input, .inquiry select, .inquiry textarea { width: 100%; background: var(--ink); border: 1px solid rgba(255, 255, 255, .12); border-radius: 10px; color: var(--text); font: 15px/1.4 var(--sans); padding: 13px 14px; letter-spacing: 0; text-transform: none; }
.inquiry textarea { min-height: 120px; resize: vertical; }
.inquiry input:focus, .inquiry select:focus, .inquiry textarea:focus { outline: none; border-color: var(--red-2); }
.inquiry .btn { justify-self: start; }
.inquiry small { grid-column: 1 / -1; color: #6f7680; font-size: 12px; }

/* Products page */
.pnav { position: sticky; top: 60px; z-index: 20; background: rgba(242, 243, 244, .92); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); border-bottom: 1px solid var(--paper-2); }
.pnav .wrap { display: flex; gap: 8px; overflow-x: auto; padding: 12px 0; scrollbar-width: none; }
.pnav a { flex: 0 0 auto; text-decoration: none; font: 12px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; padding: 10px 14px; border-radius: 999px; border: 1px solid #d3d7dc; color: #3d434a; }
.pnav a:hover { background: var(--dark-text); color: #fff; border-color: var(--dark-text); }
.prod { display: grid; grid-template-columns: 1fr 1.25fr; gap: 56px; padding: 96px 0; border-bottom: 1px solid var(--paper-2); scroll-margin-top: 120px; }
.prod:nth-child(even) .prod-text { order: 2; }
.prod-text .idx { font: 13px/1 var(--mono); color: var(--red); letter-spacing: .12em; }
.prod-text h2 { font-size: clamp(28px, 3.2vw, 42px); margin: 14px 0 18px; }
.prod-text p { color: #50575f; }
.tags { display: flex; flex-wrap: wrap; gap: 8px; margin: 22px 0 26px; padding: 0; list-style: none; }
.tags li { font: 11px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; padding: 8px 11px; border: 1px solid #cdd2d8; border-radius: 999px; color: #3d434a; }
.gallery { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.gallery figure { margin: 0; background: #fff; border-radius: 14px; border: 1px solid var(--paper-2); aspect-ratio: 4 / 3.3; overflow: hidden; }
.gallery figure:first-child { grid-column: 1 / -1; aspect-ratio: 16 / 9; }
.gallery img { width: 100%; height: 100%; object-fit: contain; padding: 14px; mix-blend-mode: multiply; transition: transform .8s var(--ease); }
.gallery figure:hover img { transform: scale(1.05); }
.link-red { color: var(--red); font-weight: 600; text-decoration: none; }
.link-red:hover { text-decoration: underline; }
.cap-table { width: 100%; border-collapse: collapse; font-size: 15px; }
.cap-table th, .cap-table td { text-align: left; padding: 18px 12px 18px 0; border-top: 1px solid var(--line); vertical-align: top; }
.cap-table th { font: 11px/1.6 var(--mono); color: #6f7680; letter-spacing: .1em; text-transform: uppercase; font-weight: 400; width: 30%; }
.cap-table td b { font-size: 20px; }

/* CTA band + footer */
.cta-band { padding: 90px 0; background: linear-gradient(120deg, #a3000b, var(--red) 55%, #ff3b1f); color: #fff; overflow: hidden; position: relative; }
.cta-band .wrap { display: flex; align-items: center; justify-content: space-between; gap: 30px; flex-wrap: wrap; }
.cta-band h2 { font-size: clamp(28px, 3.6vw, 48px); max-width: 720px; }
.cta-band .btn { background: #fff; color: var(--red); }
.site-footer { padding: 64px 0 40px; border-top: 1px solid var(--line); color: var(--mute); font-size: 14px; }
.foot { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; }
.foot img { height: 20px; width: auto; margin-bottom: 18px; }
.foot h4 { font: 11px/1.4 var(--mono); letter-spacing: .14em; text-transform: uppercase; color: #6f7680; margin: 0 0 14px; font-weight: 400; }
.foot ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.foot a { text-decoration: none; }
.foot a:hover { color: #fff; }
.legal { margin-top: 48px; padding-top: 22px; border-top: 1px solid var(--line); font-size: 12px; display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }

/* ---------- Motion layer ---------- */
.progress { position: fixed; left: 0; top: 0; right: 0; height: 2px; background: linear-gradient(90deg, var(--red), var(--molten)); transform-origin: left; transform: scaleX(0); z-index: 95; }
.motion .hero h1 .w, .motion .page-hero h1 .w { display: inline-block; opacity: 0; filter: blur(12px); transform: translateY(.45em); animation: wordIn 1s var(--ease) forwards; animation-delay: calc(var(--i) * 70ms + 250ms); }
@keyframes wordIn { to { opacity: 1; filter: blur(0); transform: none; } }
.motion .hero .lede, .motion .hero-cta, .motion .hero .eyebrow, .motion .page-hero p, .motion .page-hero .eyebrow { opacity: 0; transform: translateY(16px); animation: fadeUp .9s var(--ease) forwards; animation-delay: .9s; }
.motion .hero .eyebrow, .motion .page-hero .eyebrow { animation-delay: .1s; }
.motion .hero-cta { animation-delay: 1.15s; }
@keyframes fadeUp { to { opacity: 1; transform: none; } }
.motion .reveal { opacity: 0; transform: translateY(34px); transition: opacity .9s var(--ease), transform .9s var(--ease); transition-delay: var(--d, 0ms); }
.motion .reveal.in { opacity: 1; transform: none; }
.motion .sec-head h2 { clip-path: inset(0 0 100% 0); transform: translateY(30px); transition: clip-path 1s var(--ease) .1s, transform 1s var(--ease) .1s; }
.motion .sec-head.in h2 { clip-path: inset(0 0 -10% 0); transform: none; }
.motion .curtain img { clip-path: inset(100% 0 0 0); transform: scale(1.18); transition: clip-path 1.2s var(--ease), transform 1.8s var(--ease); }
.motion .curtain.in img { clip-path: inset(0 0 0 0); transform: scale(1); }
.glow { position: relative; }
.glow::before { content: ""; position: absolute; inset: 0; border-radius: inherit; pointer-events: none; z-index: 1; opacity: 0; transition: opacity .4s; background: radial-gradient(360px circle at var(--cx, 50%) var(--cy, 50%), rgba(255, 106, 26, .16), transparent 60%); }
.glow:hover::before { opacity: 1; }
.tilt { transform: perspective(900px) rotateX(var(--rx, 0deg)) rotateY(var(--ry, 0deg)); }

/* ---------- Responsive ---------- */
@media (max-width: 1080px) {
  .stats { grid-template-columns: repeat(3, 1fr); }
  .stat:nth-child(3) { border-right: 0; }
  .stat:nth-child(4) { padding-left: 0; }
  .process { grid-template-columns: 1fr 1fr; }
  .certs { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 900px) {
  :root { --wrap: calc(100% - 32px); }
  .menu { position: fixed; inset: 106px 0 auto; flex-direction: column; align-items: stretch; gap: 0; background: rgba(11, 13, 16, .98); border-bottom: 1px solid var(--line); padding: 8px 16px 20px; transform: translateY(-12px); opacity: 0; pointer-events: none; transition: opacity .3s, transform .3s var(--ease); }
  .menu.open { opacity: 1; transform: none; pointer-events: auto; }
  .menu a { padding: 14px 0; border-bottom: 1px solid var(--line); font-size: 16px; }
  .menu .lang { margin-top: 14px; align-self: flex-start; }
  .menu-toggle { display: block; }
  .head-cta { display: none; }
  .site-header .wrap { height: 64px; }
  .hero { align-items: flex-start; min-height: calc(100svh - 94px); }
  .hero .wrap { padding: calc(36vw + 120px) 0 72px; }
  .hero h1 { font-size: clamp(34px, 9.4vw, 48px); }
  .hero .lede { font-size: 16px; }
  .hero-hint { left: 16px; right: auto; bottom: 18px; }
  .sec { padding: 80px 0; }
  .sec-head, .claim, .plants, .lab, .contact-grid, .faq-grid, .prod, .foot { grid-template-columns: minmax(0, 1fr); }
  .faq-grid details, .faq-grid summary { min-width: 0; overflow-wrap: anywhere; }
  .sec-head p { justify-self: start; }
  .claim { margin-top: 70px; gap: 24px; }
  .series { grid-template-columns: 1fr 1fr; gap: 12px; }
  .plant-media { position: relative; top: 0; }
  .timeline { grid-template-columns: none; grid-auto-flow: column; grid-auto-columns: 200px; overflow-x: auto; row-gap: 0; padding-bottom: 10px; }
  .prod { gap: 30px; padding: 64px 0; }
  .prod:nth-child(even) .prod-text { order: 0; }
  .inquiry { grid-template-columns: 1fr; padding: 24px; }
  .pnav { top: 64px; }
}
@media (max-width: 560px) {
  .stats { grid-template-columns: 1fr 1fr; }
  .stat, .stat + .stat { padding: 24px 12px 6px 0; border-right: 0; }
  .stat:nth-child(odd) { border-right: 1px solid var(--line); }
  .stat:nth-child(even) { padding-left: 16px; }
  .stat:nth-child(4) { padding-left: 16px; }
  .series { grid-template-columns: 1fr; }
  .process { grid-template-columns: 1fr; }
  .certs { grid-template-columns: 1fr 1fr; gap: 10px; }
  .cert { padding: 10px; }
  .equip { grid-template-columns: 1fr; }
  .contact-list li { grid-template-columns: 1fr; gap: 2px; }
  .demo-bar { font-size: 11px; }
}