@font-face {
  font-family: "Noto Sans SC Brand";
  src: url('fonts/NotoSansSC-VF.ttf') format('truetype');
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
}

@font-face {
  font-family: "Source Han Serif SC Brand";
  src: url('fonts/SourceHanSerifSC-Heavy.ttf') format('truetype');
  font-style: normal;
  font-weight: 900;
  font-display: swap;
}

:root {
  --ink: #061521;
  --navy: #071f31;
  --navy-2: #0a2b40;
  --paper: #f2eee6;
  --paper-deep: #e5dfd4;
  --white: #faf8f2;
  --coral: #ff5c45;
  --coral-dark: #e54832;
  --aqua: #6fc6c9;
  --line: rgba(247, 245, 239, 0.22);
  --dark-line: rgba(6, 21, 33, 0.17);
  --sans: "Noto Sans SC Brand", "Source Han Sans SC", "思源黑体", "PingFang SC", "Microsoft YaHei UI", sans-serif;
  --serif: "Source Han Serif SC Brand", "Source Han Serif SC", "Noto Serif CJK SC", "Songti SC", serif;
  --radius: 0;
  --background: var(--paper);
  --foreground: var(--ink);
  --primary: var(--ink);
  --primary-foreground: var(--white);
  --secondary: var(--paper-deep);
  --secondary-foreground: var(--ink);
  --muted: var(--paper-deep);
  --muted-foreground: #5c6670;
  --accent: var(--coral);
  --accent-foreground: var(--white);
  --border: rgba(6, 21, 33, 0.18);
  --input: rgba(6, 21, 33, 0.18);
  --ring: var(--coral);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--ink); color: var(--white); font-family: var(--sans); font-synthesis: none; text-rendering: optimizeLegibility; -webkit-font-smoothing: antialiased; overflow-x: hidden; }
body::selection { background: var(--coral); color: var(--white); }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
img { display: block; width: 100%; }
.section-wrap { width: min(1500px, 100%); margin-inline: auto; padding-inline: clamp(24px, 6.6vw, 104px); }
.scroll-progress { position: fixed; inset: 0 auto auto 0; z-index: 100; height: 3px; background: var(--coral); box-shadow: 0 0 18px rgba(255,92,69,.72); }

[data-reveal] { opacity: 0; transform: translateY(38px); transition: opacity .9s cubic-bezier(.16,1,.3,1), transform .9s cubic-bezier(.16,1,.3,1); }
[data-reveal].is-visible { opacity: 1; transform: translateY(0); }

/* Navigation */
.site-nav {
  position: fixed; inset: 0 0 auto; z-index: 60; height: 88px; padding: 0 clamp(22px, 4.2vw, 72px);
  display: grid; grid-template-columns: 1fr auto 1fr; align-items: center;
  border-bottom: 1px solid rgba(255,255,255,.14); transition: height .35s ease, background .35s ease, border-color .35s ease, backdrop-filter .35s ease;
}
.site-nav.is-scrolled { height: 72px; background: rgba(5,20,31,.86); border-color: rgba(255,255,255,.09); backdrop-filter: blur(18px); }
.brand-lockup { display: flex; align-items: center; gap: 12px; width: max-content; }
.brand-lockup > span:last-child { display: grid; gap: 1px; }
.brand-lockup strong { font-size: 15px; letter-spacing: .18em; font-weight: 600; }
.brand-lockup small { font-size: 8px; letter-spacing: .22em; opacity: .62; }
.brand-logo { width:clamp(158px,13vw,210px); height:auto; max-height:48px; object-fit:contain; }
.brand-seal { width: 40px; height: 40px; display: grid; place-items: center; border: 1px solid rgba(255,255,255,.62); border-radius: 50%; font: 20px var(--serif); transition: transform .45s ease, background .3s; }
.brand-lockup:hover .brand-seal { transform: rotate(12deg); background: var(--coral); border-color: var(--coral); }
.nav-links { display: flex; gap: clamp(24px, 3vw, 48px); font-size: 12px; letter-spacing: .08em; }
.nav-links a { position: relative; opacity: .72; transition: opacity .25s ease; }
.nav-links a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: -9px; height: 1px; background: var(--coral); transition: right .3s ease; }
.nav-links a:hover { opacity: 1; }
.nav-links a:hover::after { right: 0; }
.nav-cta { justify-self: end; display: flex; align-items: center; gap: 9px; padding: 11px 16px; color:inherit; background:transparent; border: 1px solid rgba(255,255,255,.46); border-radius: 999px; font-size: 12px; cursor:pointer; transition: color .3s, background .3s, transform .3s; }
.nav-cta:hover { color: var(--ink); background: var(--white); transform: translateY(-2px); }
.menu-button { display: none; justify-self: end; width:42px; height:42px; place-items:center; color:var(--white); background:transparent; border:0; cursor:pointer; }
.mobile-menu { display: none; }

/* Cooperation inquiry */
.inquiry-dialog { width:min(1120px,calc(100vw - 32px)); max-width:1120px; height:min(760px,calc(100svh - 32px)); max-height:calc(100svh - 32px); padding:0; overflow:auto; border:1px solid rgba(255,255,255,.16); border-radius:0; color:var(--ink); background:var(--paper); box-shadow:0 40px 120px rgba(0,0,0,.5); }
.inquiry-static { position:fixed; inset:50% auto auto 50%; transform:translate(-50%,-50%); }
.inquiry-dialog::backdrop { background:rgba(2,13,23,.78); backdrop-filter:blur(15px); }
.inquiry-shell { min-height:100%; display:grid; grid-template-columns:minmax(330px,.78fr) minmax(0,1.22fr); }
.inquiry-intro { position:relative; isolation:isolate; min-height:640px; padding:clamp(35px,4vw,62px); display:flex; flex-direction:column; justify-content:space-between; overflow:hidden; color:var(--ink); background:var(--coral); }
.inquiry-intro::before { content:""; position:absolute; z-index:-1; width:520px; height:520px; right:-250px; bottom:-225px; border:1px solid rgba(6,21,33,.23); border-radius:50%; box-shadow:0 0 0 72px rgba(6,21,33,.035),0 0 0 144px rgba(6,21,33,.028); }
.inquiry-intro::after { content:""; position:absolute; z-index:-1; inset:0; opacity:.16; background:repeating-linear-gradient(118deg,transparent 0 46px,rgba(6,21,33,.2) 47px,transparent 48px); }
.inquiry-number { font-size:8px; font-weight:700; letter-spacing:.28em; }
.inquiry-intro > div p { margin:0 0 17px; font-size:10px; font-weight:700; letter-spacing:.18em; }
.inquiry-intro h2 { margin:0; font:500 clamp(40px,4.1vw,62px)/1.08 var(--serif); letter-spacing:-.055em; }
.inquiry-intro h2 em { color:var(--white); font-style:italic; }
.inquiry-intro ul { margin:0; padding:0; list-style:none; border-top:1px solid rgba(6,21,33,.35); }
.inquiry-intro li { display:flex; align-items:center; gap:16px; padding:15px 0; border-bottom:1px solid rgba(6,21,33,.24); font-size:11px; letter-spacing:.06em; }
.inquiry-intro li span { font:italic 12px var(--serif); opacity:.54; }
.inquiry-panel { position:relative; padding:clamp(38px,5vw,70px); background:var(--paper); }
.inquiry-close { position:absolute; z-index:2; top:25px; right:25px; width:42px; height:42px; display:grid; place-items:center; color:var(--ink); background:transparent; border:1px solid var(--dark-line); border-radius:50%; font-size:23px; line-height:1; cursor:pointer; transition:color .25s,background .25s,transform .25s; }
.inquiry-close:hover { color:var(--white); background:var(--ink); transform:rotate(6deg); }
.inquiry-header { max-width:520px; }
.inquiry-header > span { color:var(--coral-dark); font-size:8px; font-weight:700; letter-spacing:.29em; }
.inquiry-header h2 { margin:15px 0 10px; font:500 clamp(31px,3.1vw,46px)/1.14 var(--serif); letter-spacing:-.04em; }
.inquiry-header p { max-width:480px; margin:0; color:rgba(6,21,33,.6); font-size:12px; line-height:1.8; }
.inquiry-form { margin-top:37px; }
.inquiry-form-grid { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:24px 20px; }
.inquiry-field { display:grid; gap:9px; }
.inquiry-field-full { grid-column:1/-1; }
.inquiry-field > span { font-size:9px; font-weight:700; letter-spacing:.12em; }
.inquiry-field > span b { color:var(--coral-dark); }
.inquiry-field input,.inquiry-field textarea,.inquiry-field select { width:100%; color:var(--ink); background:rgba(6,21,33,.025); border:0; border-bottom:1px solid rgba(6,21,33,.23); border-radius:0; box-shadow:none; font-family:var(--sans); font-size:12px; outline:none; transition:border-color .25s,background .25s; }
.inquiry-field input,.inquiry-field select { height:45px; padding-inline:13px; }
.inquiry-field textarea { min-height:100px; padding:13px; line-height:1.7; resize:vertical; }
.inquiry-field input:focus,.inquiry-field textarea:focus,.inquiry-field select:focus { border-color:var(--coral-dark); background:rgba(255,92,69,.045); }
.inquiry-field input::placeholder,.inquiry-field textarea::placeholder { color:rgba(6,21,33,.4); }
.inquiry-form-bottom { margin-top:26px; display:flex; align-items:center; justify-content:space-between; gap:25px; }
.inquiry-form-bottom p { margin:0; max-width:285px; color:rgba(6,21,33,.47); font-size:9px; line-height:1.7; }
.inquiry-submit { min-width:145px; height:48px; padding:0 19px; color:var(--white); background:var(--ink); border:0; border-radius:0; font-size:11px; letter-spacing:.08em; cursor:pointer; transition:background .25s; }
.inquiry-submit:hover { background:var(--coral-dark); }
.inquiry-offline { margin:16px 0 0; padding:12px 14px; color:#8b281f; background:rgba(255,92,69,.09); border-left:2px solid var(--coral-dark); font-size:10px; line-height:1.7; }
.inquiry-offline a { margin-left:4px; color:var(--ink); border-bottom:1px solid currentColor; }

/* Hero */
.hero { position: relative; min-height: 100svh; overflow: hidden; isolation: isolate; display: flex; align-items: flex-end; }
.hero-media { position: absolute; inset: -4%; z-index: -3; background: url('images/hero-tuna.png') center/cover no-repeat; animation: hero-drift 14s ease-in-out infinite alternate; }
.hero-surface { position: absolute; inset: 0; z-index: -2; background: linear-gradient(90deg, rgba(2,13,23,.9) 0%, rgba(2,13,23,.62) 38%, rgba(2,13,23,.04) 74%), linear-gradient(0deg, rgba(2,13,23,.75) 0%, transparent 52%); }
.hero-surface::before { content:""; position:absolute; inset:-20% -10%; opacity:.14; background: repeating-radial-gradient(ellipse at 70% 0%, transparent 0 44px, rgba(255,255,255,.13) 46px, transparent 49px); animation: current-flow 12s linear infinite; }
.hero-content { width: min(1440px, 100%); margin: 0 auto; padding: 160px clamp(28px, 7.5vw, 120px) clamp(55px, 8vh, 92px); }
.eyebrow { margin: 0 0 30px; display: flex; align-items: center; gap: 10px; color: rgba(255,255,255,.7); font-size: 11px; letter-spacing: .28em; }
.eyebrow span { width: 7px; height: 7px; border-radius: 50%; background: var(--coral); box-shadow: 0 0 0 7px rgba(255,92,69,.14); animation: pulse 2.4s ease-in-out infinite; }
.hero h1 { margin: 0; max-width: 1050px; font-weight: 400; letter-spacing: -.055em; line-height: .96; }
.hero h1 span { display: block; font-size: clamp(64px, 8.4vw, 142px); font-family: var(--serif); }
.hero h1 em { display: block; margin-top: 13px; color: rgba(255,255,255,.86); font-family: var(--serif); font-size: clamp(34px, 5.2vw, 86px); font-style: italic; }
.hero-bottom { margin-top: clamp(46px, 8vh, 92px); display: flex; align-items: end; gap: 50px; }
.hero-bottom p { margin: 0; max-width: 550px; color: rgba(255,255,255,.64); font: 14px/2 var(--sans); letter-spacing: .06em; }
.hero-link { display: flex; align-items: center; justify-content: space-between; min-width: 190px; padding: 0 0 12px; border-bottom: 1px solid rgba(255,255,255,.5); font-size: 12px; letter-spacing: .12em; transition: border-color .3s, color .3s; }
.hero-link:hover { color: var(--coral); border-color: var(--coral); }
.hero-link b, .hero-rail b { font-weight:400; }
.hero-rail { position: absolute; right: 32px; top: 50%; display: flex; align-items: center; gap: 16px; transform: translate(44%, -50%) rotate(90deg); transform-origin: center; font-size: 8px; letter-spacing: .36em; opacity: .54; }
.hero-rail i { display: block; width: 64px; height: 1px; background: rgba(255,255,255,.5); }

/* Shared editorial elements */
.section-index { display: flex; align-items: center; gap: 12px; height: max-content; color: var(--ink); }
.section-index span { font: italic 18px var(--serif); }
.section-index i { width: 50px; height: 1px; background: currentColor; opacity: .45; }
.section-index small { font-size: 8px; letter-spacing: .28em; opacity: .62; }
.section-index.light { color: var(--white); }
.micro-title { margin: 0 0 24px; font-size: 11px; font-weight: 600; letter-spacing: .25em; color: var(--coral-dark); }
.micro-title.coral { color: var(--coral); }

/* Statement */
.statement { position: relative; z-index: 2; background: var(--paper); color: var(--ink); padding: clamp(110px, 13vw, 210px) 0 76px; }
.statement-grid { display: grid; grid-template-columns: minmax(150px, .32fr) 1fr; gap: 40px; }
.statement-copy h2 { margin: 0; font: 400 clamp(48px, 7vw, 112px)/1.04 var(--serif); letter-spacing: -.055em; }
.statement-copy h2 em { color: transparent; font-style: italic; -webkit-text-stroke: 1px rgba(6,21,33,.68); }
.statement-note { margin: 80px 0 0 auto; width: min(620px, 68%); display: grid; grid-template-columns: 180px 1fr; gap: 34px; padding-top: 23px; border-top: 1px solid var(--dark-line); }
.statement-note strong { font: 600 14px/1.7 var(--serif); }
.statement-note p { margin: 0; color: rgba(6,21,33,.62); font-size: 13px; line-height: 2; }
.metrics { margin-top: 120px; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); border-top: 1px solid var(--dark-line); border-bottom: 1px solid var(--dark-line); }
.metric { min-width:0; min-height: 195px; padding: 35px 22px 25px; border-right: 1px solid var(--dark-line); position: relative; transition: background .35s, color .35s; }
.metric:first-child { border-left: 1px solid var(--dark-line); }
.metric:hover { background: var(--ink); color: var(--white); }
.metric-number { min-height:clamp(48px,5vw,78px); display:flex; align-items:flex-end; white-space:nowrap; font:italic clamp(48px,5vw,78px)/1 var(--serif); letter-spacing:-.04em; font-variant-numeric:lining-nums tabular-nums; }
.metric-long .metric-number { font-size:clamp(38px,3.2vw,52px); }
.metric-unit { display:block; margin-top:10px; color:var(--coral-dark); font-size:12px; line-height:1; letter-spacing:.12em; }
.metric p { position: absolute; left: 22px; bottom: 22px; margin: 0; font-size: 11px; letter-spacing: .08em; opacity: .58; }
.data-note { text-align: right; margin: 15px 0 0; font-size: 9px; letter-spacing: .08em; color: rgba(6,21,33,.45); }

/* Manufacturing engine */
.engine { background: var(--ink); padding: clamp(110px, 12vw, 180px) 0; position: relative; overflow: clip; }
.engine::before { content:""; position:absolute; width: 600px; height: 600px; border: 1px solid rgba(111,198,201,.12); border-radius:50%; top:-240px; right:-180px; box-shadow: 0 0 0 80px rgba(111,198,201,.025), 0 0 0 160px rgba(111,198,201,.02); }
.engine-head { display: grid; grid-template-columns: minmax(150px, .32fr) 1fr; gap: 40px; }
.engine-head h2 { margin: 0; font: 400 clamp(46px, 6vw, 92px)/1.05 var(--serif); letter-spacing: -.05em; }
.engine-head h2 em { color: var(--aqua); font-style: italic; }
.engine-layout { margin-top: 100px; display: grid; grid-template-columns: minmax(0, 1.28fr) minmax(330px, .72fr); gap: clamp(34px, 5vw, 86px); align-items: start; }
.engine-stage { position: sticky; top: 105px; }
.factory-frame { height: min(49vw, 640px); min-height: 440px; position: relative; overflow: hidden; background: var(--navy-2); }
.factory-frame .factory-image { position:absolute; inset:0; z-index:0; width:100%; height:100%; object-fit:cover; opacity:0; transform:scale(1.055); filter:saturate(.72) contrast(1.08); transition:opacity .72s cubic-bezier(.16,1,.3,1), transform 1.45s cubic-bezier(.16,1,.3,1); }
.factory-frame .factory-image.is-active { opacity:1; transform:scale(1); }
.factory-frame:hover .factory-image.is-active { transform:scale(1.035); }
.factory-frame::after { content:""; position:absolute; z-index:1; inset:0; background: linear-gradient(180deg, rgba(5,20,31,.1), rgba(5,20,31,.76)); pointer-events:none; }
.factory-scan { position:absolute; z-index:2; left:0; right:0; top:-5%; height:2px; background: linear-gradient(90deg, transparent, var(--coral), transparent); box-shadow: 0 0 24px var(--coral); animation: scan 6s ease-in-out infinite; }
.frame-corner { position:absolute; z-index:3; width:22px; height:22px; border-color:rgba(255,255,255,.7); }
.top-left { top:20px; left:20px; border-top:1px solid; border-left:1px solid; }
.top-right { top:20px; right:20px; border-top:1px solid; border-right:1px solid; }
.bottom-left { bottom:20px; left:20px; border-bottom:1px solid; border-left:1px solid; }
.bottom-right { bottom:20px; right:20px; border-bottom:1px solid; border-right:1px solid; }
.factory-status { position:absolute; z-index:4; top:28px; left:36px; right:36px; display:flex; align-items:center; gap:8px; font-size:8px; letter-spacing:.22em; }
.factory-status strong { margin-left:auto; font:400 11px var(--sans); }
.live-dot { width:6px; height:6px; background:var(--coral); border-radius:50%; box-shadow:0 0 0 5px rgba(255,92,69,.18); animation:pulse 2s infinite; }
.engine-readout { position: relative; z-index: 5; margin: -158px 34px 0; min-height: 190px; padding: 29px 32px; display: grid; grid-template-columns: 48px 1fr; gap: 23px; background: rgba(5,20,31,.88); border: 1px solid rgba(255,255,255,.12); backdrop-filter: blur(18px); animation: readout-in .5s cubic-bezier(.16,1,.3,1); }
.readout-icon { width:46px; height:46px; display:grid; place-items:center; border:1px solid rgba(111,198,201,.4); color:var(--aqua); }
.readout-icon svg { width:20px; }
.engine-readout span { color:var(--aqua); font-size:8px; letter-spacing:.21em; }
.engine-readout h3 { margin:10px 0; font:500 clamp(20px,2vw,27px) var(--serif); }
.engine-readout p { margin:0; color:rgba(255,255,255,.56); font-size:12px; line-height:1.9; max-width:600px; }
.engine-list { border-top:1px solid rgba(255,255,255,.16); }
.engine-item { width:100%; min-height:130px; padding:22px 6px; display:grid; grid-template-columns:42px 1fr 28px; gap:18px; align-items:center; color:rgba(255,255,255,.52); background:transparent; border:0; border-bottom:1px solid rgba(255,255,255,.16); text-align:left; cursor:pointer; transition:color .35s, padding .35s, background .35s; }
.engine-item > span { font:italic 17px var(--serif); }
.engine-item div { display:grid; gap:7px; }
.engine-item small { font-size:7px; letter-spacing:.2em; }
.engine-item strong { font:500 23px var(--serif); color:rgba(255,255,255,.78); }
.engine-item svg { width:20px; }
.engine-item > b { width:20px; text-align:center; font-weight:400; font-size:20px; }
.engine-item:hover, .engine-item.is-active { color:var(--coral); padding-inline:16px; background:rgba(255,255,255,.035); }
.engine-item.is-active strong { color:var(--white); }

/* Full value */
.full-value { background: var(--paper); color:var(--ink); padding: clamp(110px, 13vw, 190px) 0; overflow:hidden; }
.value-heading { display:grid; grid-template-columns:minmax(150px,.32fr) 1fr; gap:40px; }
.value-heading h2 { margin:0; font:400 clamp(46px,6.4vw,98px)/1.08 var(--serif); letter-spacing:-.05em; }
.value-heading h2 em { color:var(--coral-dark); font-style:italic; }
.value-orbit { position:relative; margin:140px auto 100px; width:min(1160px,100%); height:520px; border:1px solid var(--dark-line); border-radius:50%; }
.value-orbit::before, .value-orbit::after { content:""; position:absolute; left:50%; top:50%; border:1px solid rgba(6,21,33,.09); border-radius:50%; transform:translate(-50%,-50%); }
.value-orbit::before { width:73%; height:73%; }
.value-orbit::after { width:43%; height:43%; }
.orbit-core { position:absolute; z-index:2; left:50%; top:50%; transform:translate(-50%,-50%); width:160px; height:160px; display:grid; place-items:center; align-content:center; gap:7px; color:var(--white); background:var(--ink); border-radius:50%; box-shadow:0 0 0 16px rgba(6,21,33,.08); }
.orbit-core svg { width:26px; color:var(--aqua); }
.orbit-core b { color:var(--aqua); font-size:28px; font-weight:400; line-height:.7; }
.orbit-core span { font:500 25px var(--serif); }
.orbit-core small { font-size:7px; letter-spacing:.22em; opacity:.5; }
.orbit-line { position:absolute; inset:-1px; border-radius:50%; border-top:2px solid var(--coral); animation:orbit-spin 18s linear infinite; }
.orbit-line::after { content:""; position:absolute; width:12px; height:12px; border-radius:50%; background:var(--coral); top:72px; left:70px; box-shadow:0 0 0 10px rgba(255,92,69,.13); }
.orbit-node { position:absolute; z-index:2; min-width:190px; padding:16px 20px; background:var(--paper); border:1px solid var(--dark-line); display:grid; gap:5px; transition:transform .35s, background .35s, color .35s; }
.orbit-node:hover { transform:translateY(-6px); background:var(--coral); color:var(--ink); }
.orbit-node strong { font:500 17px var(--serif); }
.orbit-node span { font-size:9px; letter-spacing:.08em; opacity:.56; }
.node-one { left:0; top:25%; }
.node-two { right:-1%; top:17%; }
.node-three { right:9%; bottom:6%; }
.value-orbit > p { position:absolute; left:7%; bottom:9%; margin:0; font:500 14px/2 var(--serif); }
.value-pillars { display:grid; grid-template-columns:1fr auto 1fr auto 1fr auto 1fr; align-items:center; gap:20px; padding-top:45px; border-top:1px solid var(--dark-line); }
.value-pillars > div { display:grid; grid-template-columns:40px 1fr; column-gap:13px; align-items:center; }
.value-pillars > div svg { grid-row:1/3; width:25px; color:var(--coral-dark); }
.value-pillars > div > b { grid-row:1/3; width:25px; color:var(--coral-dark); font-size:22px; font-weight:400; }
.value-pillars span { font:500 17px var(--serif); }
.value-pillars small { font-size:7px; letter-spacing:.17em; opacity:.5; }
.value-pillars > svg { width:18px; opacity:.25; }
.value-pillars > b { opacity:.25; font-weight:400; text-align:center; }

/* Products */
.products { background:var(--paper); color:var(--ink); padding-bottom:140px; }
.product-art { width:calc(100% - clamp(24px,6vw,92px)); margin-left:auto; height:min(75vw,850px); min-height:620px; position:relative; overflow:hidden; color:var(--white); }
.product-art img { width:100%; height:100%; object-fit:cover; transition:transform 1.5s cubic-bezier(.16,1,.3,1); }
.product-art:hover img { transform:scale(1.035); }
.product-art::after { content:""; position:absolute; inset:0; background:linear-gradient(90deg,rgba(2,13,23,.83),rgba(2,13,23,.08) 73%),linear-gradient(0deg,rgba(2,13,23,.5),transparent); }
.product-art-copy { position:absolute; z-index:2; left:clamp(26px,7vw,110px); bottom:clamp(42px,8vw,105px); }
.product-art-copy > span { font-size:8px; letter-spacing:.28em; color:var(--coral); }
.product-art-copy h2 { margin:20px 0 0; font:400 clamp(46px,6.4vw,100px)/1.06 var(--serif); letter-spacing:-.05em; }
.product-art-copy h2 em { font-style:italic; color:var(--coral); }
.product-list { padding-top:110px; }
.product-list-intro { display:grid; grid-template-columns:.65fr 1fr; gap:40px; padding-bottom:45px; }
.product-list-intro span { font:500 24px var(--serif); }
.product-list-intro p { margin:0; max-width:600px; color:rgba(6,21,33,.58); font-size:13px; line-height:1.9; }
.product-cards { display:grid; grid-template-columns:repeat(3,1fr); border-top:1px solid var(--dark-line); border-left:1px solid var(--dark-line); }
.product-cards article { min-height:280px; position:relative; padding:28px; border-right:1px solid var(--dark-line); border-bottom:1px solid var(--dark-line); overflow:hidden; transition:background .4s, color .4s; }
.product-cards article::before { content:""; position:absolute; width:180px; height:180px; right:-110px; top:-110px; background:var(--coral); border-radius:50%; transition:transform .5s cubic-bezier(.16,1,.3,1); }
.product-cards article:hover { background:var(--ink); color:var(--white); }
.product-cards article:hover::before { transform:scale(2.6); }
.product-cards article > span { position:relative; z-index:1; font:italic 18px var(--serif); color:var(--coral-dark); }
.product-cards article small { position:absolute; z-index:1; top:34px; right:28px; font-size:7px; letter-spacing:.19em; opacity:.5; }
.product-cards article h3 { position:relative; z-index:1; margin:74px 0 13px; font:500 29px var(--serif); }
.product-cards article p { position:relative; z-index:1; margin:0; font-size:11px; opacity:.55; letter-spacing:.05em; }
.product-cards article svg { position:absolute; z-index:1; right:27px; bottom:27px; width:20px; transition:transform .35s; }
.product-cards article > b { position:absolute; z-index:1; right:27px; bottom:27px; font-weight:400; transition:transform .35s; }
.product-cards article:hover svg { transform:translate(4px,4px); }
.product-cards article:hover > b { transform:translate(4px,4px); }
.product-disclaimer { margin:15px 0 0; text-align:right; font-size:9px; opacity:.42; letter-spacing:.06em; }

/* Quality */
.quality { position:relative; background:var(--navy-2); padding:clamp(110px,12vw,180px) 0; overflow:hidden; }
.quality::after { content:"QUALITY"; position:absolute; right:-30px; bottom:-80px; color:rgba(255,255,255,.025); font:italic 240px/1 var(--serif); pointer-events:none; }
.quality-grid { display:grid; grid-template-columns:.85fr 1.15fr; gap:clamp(50px,8vw,130px); }
.quality-title h2 { margin:70px 0 0; font:400 clamp(46px,6vw,88px)/1.08 var(--serif); letter-spacing:-.05em; }
.quality-title h2 em { color:var(--coral); font-style:italic; }
.quality-cards { display:grid; grid-template-columns:1fr 1fr; border-top:1px solid rgba(255,255,255,.17); border-left:1px solid rgba(255,255,255,.17); }
.quality-cards article { min-height:290px; padding:33px; border-right:1px solid rgba(255,255,255,.17); border-bottom:1px solid rgba(255,255,255,.17); position:relative; transition:background .35s; }
.quality-cards article:hover { background:rgba(255,255,255,.045); }
.quality-cards article svg { width:26px; color:var(--aqua); }
.quality-cards article > b { color:var(--aqua); font-size:25px; font-weight:400; }
.quality-cards article > span { position:absolute; top:33px; right:33px; color:var(--coral); font:italic 16px var(--serif); }
.quality-cards article h3 { margin:78px 0 15px; font:500 22px var(--serif); }
.quality-cards article p { margin:0; max-width:250px; color:rgba(255,255,255,.5); font-size:11px; line-height:1.9; }

/* Industrial strength */
.project { position:relative; background:var(--coral); color:var(--ink); padding:clamp(110px,12vw,180px) 0; overflow:hidden; }
.project-glow { position:absolute; width:650px; height:650px; right:-220px; top:-310px; border:1px solid rgba(6,21,33,.14); border-radius:50%; box-shadow:0 0 0 75px rgba(6,21,33,.025),0 0 0 150px rgba(6,21,33,.02); animation:pulse-ring 8s ease-in-out infinite; }
.project-inner { display:grid; grid-template-columns:.9fr 1.1fr; gap:clamp(70px,10vw,160px); }
.project-copy h2 { margin:0; font:400 clamp(50px,6.5vw,95px)/1.05 var(--serif); letter-spacing:-.055em; }
.project-copy h2 em { font-style:italic; color:var(--paper); text-shadow:0 1px 0 rgba(6,21,33,.2); }
.project-copy > p:not(.micro-title) { margin:45px 0 34px; max-width:550px; font-size:13px; line-height:2; opacity:.68; }
.project-copy a { width:max-content; display:flex; align-items:center; gap:12px; padding-bottom:9px; border-bottom:1px solid rgba(6,21,33,.5); font-size:11px; letter-spacing:.09em; }
.strength-grid { position:relative; display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); border-top:1px solid rgba(6,21,33,.28); border-left:1px solid rgba(6,21,33,.28); }
.strength-card { min-height:255px; padding:28px 30px 30px; display:flex; flex-direction:column; border-right:1px solid rgba(6,21,33,.28); border-bottom:1px solid rgba(6,21,33,.28); transition:background .38s ease,color .38s ease,transform .38s ease; }
.strength-card > div { display:flex; align-items:center; justify-content:space-between; margin-bottom:auto; }
.strength-card > div span { font:italic 18px var(--serif); }
.strength-card > div svg, .strength-card > div b { width:23px; height:23px; display:grid; place-items:center; font:400 20px var(--sans); opacity:.7; }
.strength-card small { margin-top:42px; font-size:7px; letter-spacing:.24em; opacity:.52; }
.strength-card h3 { margin:9px 0 12px; font:500 25px var(--serif); }
.strength-card p { margin:0; max-width:330px; font-size:11px; line-height:1.9; opacity:.62; }
.strength-card:hover { position:relative; z-index:2; color:var(--white); background:var(--ink); transform:translateY(-5px); }
.strength-card:hover > div svg, .strength-card:hover > div b { color:var(--aqua); opacity:1; }
.strength-card:hover small { color:var(--coral); opacity:1; }

/* Footer */
footer { position:relative; background:var(--ink); overflow:hidden; padding-top:clamp(100px,13vw,200px); }
.footer-wave { position:absolute; inset:-100px -10% auto; height:420px; opacity:.08; background:repeating-radial-gradient(ellipse at 50% 120%,transparent 0 58px,var(--aqua) 60px,transparent 62px); animation:current-flow 18s linear infinite; }
.footer-main { position:relative; z-index:2; }
.footer-en { font-size:8px; letter-spacing:.38em; color:var(--aqua); }
.footer-main h2 { margin:27px 0 80px; font:400 clamp(55px,8vw,125px)/1.03 var(--serif); letter-spacing:-.055em; }
.footer-main h2 em { font-style:italic; color:var(--coral); }
.footer-bottom { min-height:210px; display:grid; grid-template-columns:1fr 1fr auto; align-items:center; gap:40px; color:rgba(255,255,255,.55); }
.footer-brand strong { color:var(--white); }
.footer-brand-logo { width:120px; height:auto; max-height:36px; object-fit:contain; }
.footer-bottom p { margin:0; font-size:11px; line-height:1.9; }
.footer-bottom p small { font-size:9px; opacity:.55; }
.icp-number { display:inline-block; margin-top:5px; font-size:9px; opacity:.72; transition:color .25s, opacity .25s; }
.icp-number:hover { color:var(--coral); opacity:1; }
.footer-bottom > a { font-size:8px; letter-spacing:.2em; }

@keyframes hero-drift { from { transform:scale(1.03) translate3d(-.8%,-.3%,0); } to { transform:scale(1.1) translate3d(1.2%,.4%,0); } }
@keyframes current-flow { to { transform:translate3d(-4%,3%,0) rotate(.8deg); } }
@keyframes pulse { 50% { transform:scale(.72); opacity:.62; } }
@keyframes scan { 0%,100% { top:4%; opacity:0; } 15% { opacity:1; } 75% { opacity:.8; } 90% { top:94%; opacity:0; } }
@keyframes readout-in { from { opacity:0; transform:translateY(13px); } }
@keyframes orbit-spin { to { transform:rotate(360deg); } }
@keyframes pulse-ring { 50% { transform:scale(1.08); opacity:.55; } }

@media (max-width: 1080px) {
  .engine-layout { grid-template-columns:1fr; }
  .engine-stage { position:relative; top:auto; }
  .engine-list { display:grid; grid-template-columns:1fr 1fr; }
  .engine-item { border-right:1px solid rgba(255,255,255,.16); }
  .quality-grid { grid-template-columns:1fr; }
  .quality-title h2 { max-width:780px; }
}

@media (max-width: 820px) {
  .section-wrap { padding-inline:24px; }
  .site-nav { height:74px; grid-template-columns:1fr auto; }
  .nav-links, .nav-cta { display:none; }
  .menu-button { display:grid; }
  .brand-lockup small { display:none; }
  .brand-logo { width:158px; max-height:42px; }
  .mobile-menu { display:block; position:fixed; inset:0; z-index:50; padding:120px 24px 40px; background:rgba(5,20,31,.97); backdrop-filter:blur(20px); transform:translateY(-105%); transition:transform .55s cubic-bezier(.16,1,.3,1); }
  .mobile-menu.is-open { transform:translateY(0); }
  .mobile-menu > span { font-size:8px; letter-spacing:.3em; color:var(--coral); }
  .mobile-menu nav { margin-top:40px; border-top:1px solid rgba(255,255,255,.15); }
  .mobile-menu a,.mobile-menu .mobile-cooperation { width:100%; display:flex; align-items:center; justify-content:space-between; padding:22px 0; color:var(--white); background:transparent; border:0; border-bottom:1px solid rgba(255,255,255,.15); font:500 28px var(--serif); text-align:left; cursor:pointer; }
  .mobile-menu small { font:italic 13px var(--serif); color:var(--coral); }
  .inquiry-dialog { width:calc(100vw - 16px); height:auto; max-height:calc(100svh - 16px); }
  .inquiry-shell { grid-template-columns:1fr; }
  .inquiry-intro { min-height:235px; padding:28px; }
  .inquiry-intro h2 { font-size:clamp(34px,8vw,48px); }
  .inquiry-intro ul { display:none; }
  .inquiry-panel { padding:34px 28px 32px; }
  .inquiry-close { top:20px; right:20px; color:var(--white); border-color:rgba(255,255,255,.35); transform:translateY(-215px); }
  .inquiry-close:hover { color:var(--ink); background:var(--white); }
  .inquiry-header { padding-right:35px; }
  .inquiry-form { margin-top:30px; }
  .hero-media { background-position:60% center; }
  .hero-surface { background:linear-gradient(90deg,rgba(2,13,23,.88),rgba(2,13,23,.28)),linear-gradient(0deg,rgba(2,13,23,.8),transparent 70%); }
  .hero-content { padding:130px 24px 50px; }
  .hero h1 span { font-size:clamp(54px,18vw,84px); }
  .hero h1 em { font-size:clamp(30px,9.7vw,50px); line-height:1.12; }
  .hero-bottom { align-items:stretch; flex-direction:column; gap:30px; margin-top:44px; }
  .hero-bottom p br { display:none; }
  .hero-link { width:190px; }
  .hero-rail { display:none; }
  .statement-grid, .engine-head, .value-heading { grid-template-columns:1fr; gap:55px; }
  .statement-note { margin-top:50px; width:100%; grid-template-columns:1fr; gap:15px; }
  .metrics { grid-template-columns:1fr 1fr; margin-top:75px; }
  .metric { min-height:155px; border-bottom:1px solid var(--dark-line); }
  .metric:nth-child(odd) { border-left:1px solid var(--dark-line); }
  .metric:last-child { grid-column:1/-1; }
  .data-note { text-align:left; line-height:1.7; }
  .engine-layout { margin-top:65px; }
  .factory-frame { height:67vw; min-height:390px; }
  .engine-readout { margin:-112px 16px 0; min-height:210px; padding:22px; grid-template-columns:1fr; gap:14px; }
  .readout-icon { width:38px; height:38px; }
  .engine-list { grid-template-columns:1fr; }
  .engine-item { min-height:102px; border-right:0; }
  .value-heading h2 { font-size:clamp(42px,12vw,68px); }
  .value-orbit { height:620px; border-radius:240px; margin:90px auto 70px; }
  .value-orbit::before { width:75%; height:77%; }
  .value-orbit::after { width:46%; height:51%; }
  .orbit-core { width:130px; height:130px; }
  .orbit-node { min-width:158px; padding:13px 15px; }
  .node-one { left:-5px; top:18%; }
  .node-two { right:-5px; top:21%; }
  .node-three { right:4%; bottom:10%; }
  .value-orbit > p { left:4%; bottom:8%; max-width:45%; font-size:12px; }
  .value-pillars { grid-template-columns:1fr 1fr; gap:30px 16px; }
  .value-pillars > svg { display:none; }
  .product-art { width:100%; min-height:650px; height:100svh; }
  .product-art img { object-position:57% center; }
  .product-art::after { background:linear-gradient(90deg,rgba(2,13,23,.85),rgba(2,13,23,.15)),linear-gradient(0deg,rgba(2,13,23,.75),transparent 70%); }
  .product-list-intro { grid-template-columns:1fr; }
  .product-cards { grid-template-columns:1fr 1fr; }
  .product-cards article { min-height:245px; padding:22px; }
  .product-cards article small { top:28px; right:20px; }
  .product-cards article h3 { margin-top:68px; font-size:23px; }
  .quality-cards { grid-template-columns:1fr; }
  .quality-cards article { min-height:255px; }
  .project-inner { grid-template-columns:1fr; }
  .strength-grid { margin-top:10px; }
  .footer-main h2 { margin-bottom:60px; }
  .footer-bottom { padding-top:55px; padding-bottom:55px; grid-template-columns:1fr; gap:30px; }
}

@media (max-width: 520px) {
  .inquiry-intro { min-height:210px; padding:24px; }
  .inquiry-intro > div p { margin-bottom:11px; }
  .inquiry-panel { padding:30px 20px 25px; }
  .inquiry-close { top:18px; right:18px; width:38px; height:38px; transform:translateY(-190px); }
  .inquiry-header h2 { font-size:29px; }
  .inquiry-form-grid { grid-template-columns:1fr; gap:19px; }
  .inquiry-field-full { grid-column:auto; }
  .inquiry-form-bottom { align-items:stretch; flex-direction:column; gap:15px; }
  .inquiry-submit { width:100%; }
  .product-cards { grid-template-columns:1fr; }
  .product-cards article { min-height:220px; }
  .value-orbit { height:650px; }
  .orbit-core { top:47%; }
  .orbit-node { min-width:145px; }
  .node-one { top:14%; }
  .node-two { top:23%; }
  .node-three { right:1%; bottom:13%; }
  .value-orbit > p { left:5%; bottom:7%; max-width:52%; }
  .strength-grid { grid-template-columns:1fr; }
  .strength-card { min-height:220px; }
}

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