:root {
    --ink: #081012;
    --ink-soft: #101a1d;
    --paper: #f2f4f2;
    --paper-deep: #e6eae7;
    --white: #fff;
    --cyan: #66e8e5;
    --cyan-bright: #8ffffb;
    --cyan-dark: #0d8d8d;
    --orange: #ff6b2c;
    --muted: #7c8a8c;
    --line: rgba(8, 16, 18, .14);
    --line-dark: rgba(255, 255, 255, .13);
    --container: 1520px;
    --ease: cubic-bezier(.2, .8, .2, 1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body {
    margin: 0;
    color: var(--ink);
    background: var(--paper);
    font-family: "Inter", "HarmonyOS Sans SC", "Microsoft YaHei", system-ui, sans-serif;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; }
::selection { color: var(--ink); background: var(--cyan); }

.page-noise {
    position: fixed;
    inset: 0;
    z-index: 9999;
    opacity: .035;
    pointer-events: none;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.5'/%3E%3C/svg%3E");
}

.site-container { width: min(100%, var(--container)); padding-inline: clamp(24px, 4.5vw, 76px); margin-inline: auto; }
.section-dark { color: var(--white); background: var(--ink); }
.reveal { opacity: 0; transform: translateY(34px); transition: opacity .85s var(--ease), transform .85s var(--ease); }
.reveal.in-view { opacity: 1; transform: none; }
.delay-1 { transition-delay: .12s; }
.delay-2 { transition-delay: .24s; }

/* Header */
.site-header {
    position: fixed;
    inset: 0 0 auto;
    z-index: 1000;
    height: 84px;
    color: var(--white);
    border-bottom: 1px solid rgba(255,255,255,.14);
    transition: background .35s ease, height .35s ease, box-shadow .35s ease;
}
.site-header.scrolled { height: 70px; background: rgba(6,16,19,.88); backdrop-filter: blur(18px); box-shadow: 0 12px 40px rgba(0,0,0,.18); }
.site-header .site-container { height: 100%; display: flex; align-items: center; }
.brand { display: inline-flex; align-items: center; gap: 12px; min-width: 208px; }
.brand-mark { width: 38px; height: 38px; color: var(--cyan); }
.brand-mark img { width: 100%; height: 100%; display: block; object-fit: contain; }
.brand-mark svg { width: 100%; height: 100%; fill: none; stroke: currentColor; stroke-width: 1.6; }
.brand-mark svg path:nth-child(2) { stroke: var(--orange); }
.brand-copy { display: flex; flex-direction: column; line-height: 1; }
.brand-copy strong { font-size: 19px; letter-spacing: .16em; }
.brand-copy small { margin-top: 6px; color: rgba(255,255,255,.55); font-size: 9px; letter-spacing: .32em; }
.main-nav { display: flex; justify-content: center; align-items: center; gap: clamp(24px, 3vw, 48px); flex: 1; }
.main-nav a { position: relative; color: rgba(255,255,255,.72); font-size: 14px; transition: color .25s ease; }
.main-nav a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: -10px; height: 1px; background: var(--cyan); transition: right .3s var(--ease); }
.main-nav a:hover, .main-nav a.active { color: var(--white); }
.main-nav a:hover::after, .main-nav a.active::after { right: 0; }
.header-cta { width: 132px; height: 42px; display: flex; justify-content: center; align-items: center; gap: 14px; border: 1px solid rgba(255,255,255,.35); font-size: 13px; transition: .3s ease; }
.header-cta svg { width: 18px; fill: none; stroke: currentColor; stroke-width: 1.4; }
.header-cta:hover { color: var(--ink); background: var(--cyan); border-color: var(--cyan); }
.menu-toggle { display: none; }

/* Hero */
.hero { position: relative; min-height: 760px; height: min(940px, 100svh); overflow: hidden; background: #061013; }
.hero::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(4,12,15,.98) 0%, rgba(4,12,15,.86) 26%, rgba(4,12,15,.28) 60%, rgba(4,12,15,.1) 100%), linear-gradient(0deg, rgba(4,12,15,.72), transparent 36%); }
.hero-image { position: absolute; inset: 0; background-size: cover; background-position: center; transform: scale(1.02); animation: heroZoom 12s ease-out both; }
.hero-grid { position: absolute; inset: 0; opacity: .18; background-image: linear-gradient(rgba(102,232,229,.13) 1px, transparent 1px), linear-gradient(90deg, rgba(102,232,229,.13) 1px, transparent 1px); background-size: 92px 92px; mask-image: linear-gradient(90deg, #000, transparent 65%); }
.hero-scan { position: absolute; z-index: 1; top: 0; bottom: 0; left: 61%; width: 1px; background: linear-gradient(transparent, var(--cyan), transparent); opacity: .38; box-shadow: 0 0 24px var(--cyan); animation: scan 5s ease-in-out infinite; }
.hero-inner { position: relative; z-index: 2; height: 100%; display: flex; align-items: center; }
.hero-copy { width: min(640px, 52vw); padding-top: 40px; }
.eyebrow, .section-kicker { color: var(--cyan-dark); font-size: 11px; font-weight: 700; letter-spacing: .24em; text-transform: uppercase; }
.eyebrow { color: rgba(255,255,255,.58); display: flex; align-items: center; gap: 12px; }
.eyebrow i { width: 8px; height: 8px; display: block; border: 1px solid var(--cyan); transform: rotate(45deg); }
.hero h1 { margin: 30px 0 24px; font-size: clamp(52px, 6.2vw, 96px); font-weight: 600; line-height: 1.06; letter-spacing: -.06em; }
.hero h1 span { color: transparent; -webkit-text-stroke: 1px rgba(143,255,251,.85); text-shadow: 0 0 50px rgba(102,232,229,.12); }
.hero-copy > p { width: min(100%, 550px); margin: 0; color: rgba(255,255,255,.66); font-size: clamp(15px, 1.25vw, 18px); line-height: 1.9; }
.hero-actions { display: flex; gap: 14px; margin-top: 42px; }
.btn-primary-tech, .btn-ghost-tech { height: 52px; padding: 0 26px; display: inline-flex; align-items: center; justify-content: center; gap: 22px; font-size: 14px; transition: all .3s var(--ease); }
.btn-primary-tech { color: var(--ink); background: var(--cyan); }
.btn-primary-tech:hover { color: var(--ink); background: var(--cyan-bright); transform: translateY(-2px); box-shadow: 0 12px 35px rgba(102,232,229,.18); }
.btn-ghost-tech { border: 1px solid rgba(255,255,255,.24); color: var(--white); }
.btn-ghost-tech:hover { border-color: var(--cyan); color: var(--cyan); }
.play-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--orange); box-shadow: 0 0 0 5px rgba(255,107,44,.15); }
.hero-status { position: absolute; right: clamp(24px, 5vw, 85px); bottom: 116px; width: 320px; padding: 20px; background: rgba(8,17,20,.68); border: 1px solid rgba(143,255,251,.24); backdrop-filter: blur(14px); }
.status-head, .status-meta { display: flex; justify-content: space-between; align-items: center; }
.status-head { font-size: 9px; letter-spacing: .15em; color: rgba(255,255,255,.55); }
.status-head span { display: flex; gap: 8px; align-items: center; }
.status-head i { width: 5px; height: 5px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 8px var(--cyan); animation: blink 1.6s ease-in-out infinite; }
.status-head strong { color: var(--cyan); font-size: 9px; }
.status-main { margin: 22px 0 10px; display: flex; justify-content: space-between; align-items: end; }
.status-main span { color: rgba(255,255,255,.6); font-size: 12px; }
.status-main strong { font-size: 40px; font-weight: 400; line-height: 1; }
.status-main small { font-size: 14px; color: var(--cyan); }
.progress-track { height: 2px; background: rgba(255,255,255,.14); overflow: hidden; }
.progress-track span { display: block; width: 72%; height: 100%; background: linear-gradient(90deg, var(--cyan-dark), var(--cyan)); box-shadow: 0 0 10px var(--cyan); }
.status-meta { margin-top: 18px; color: rgba(255,255,255,.38); font-size: 9px; letter-spacing: .12em; }
.hero-bottom { position: absolute; z-index: 3; inset: auto 0 0; height: 76px; border-top: 1px solid rgba(255,255,255,.13); }
.hero-bottom .site-container { height: 100%; display: flex; justify-content: space-between; align-items: center; }
.hero-index { display: flex; align-items: center; gap: 12px; color: rgba(255,255,255,.4); font-size: 10px; }
.hero-index span:first-child { color: var(--cyan); }
.hero-index i { width: 66px; height: 1px; background: rgba(255,255,255,.25); position: relative; }
.hero-index i::after { content: ""; position: absolute; left: 0; width: 20%; height: 100%; background: var(--cyan); }
.scroll-cue { display: flex; gap: 20px; color: rgba(255,255,255,.45); font-size: 10px; letter-spacing: .16em; }
.scroll-cue span { color: var(--cyan); animation: bob 1.8s ease-in-out infinite; }

/* General headings */
.intro-section, .capabilities-section, .process-section, .contact-section { padding: clamp(100px, 11vw, 170px) 0; }
.section-heading { display: flex; justify-content: space-between; align-items: end; gap: 60px; margin-bottom: 70px; }
.section-heading h2, .intro-content h2, .about-copy h2, .contact-copy h2 { margin: 22px 0 0; font-size: clamp(38px, 4.3vw, 66px); font-weight: 500; line-height: 1.18; letter-spacing: -.045em; }
.section-heading h2 span, .intro-content h2 span, .about-copy h2 span, .contact-copy h2 span { color: var(--cyan-dark); }
.section-heading > p { max-width: 440px; margin: 0 0 8px; color: #667476; font-size: 15px; line-height: 1.9; }
.section-heading.light > p { color: rgba(255,255,255,.5); }
.section-heading.light h2 span { color: var(--cyan); }

/* Intro */
.intro-layout { display: grid; grid-template-columns: 1fr 3fr; gap: 60px; }
.intro-content { max-width: 900px; }
.intro-content h2 { margin-top: 0; }
.intro-content p { max-width: 710px; margin: 34px 0 0 auto; color: #667476; font-size: 16px; line-height: 2; }
.value-strip { margin-top: 100px; display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.value-strip > div { min-height: 145px; padding: 28px 24px; display: grid; grid-template-columns: auto 1fr; grid-template-rows: auto auto; column-gap: 20px; border-right: 1px solid var(--line); }
.value-strip > div:last-child { border-right: 0; }
.value-strip span { grid-row: 1 / 3; color: var(--cyan-dark); font-size: 11px; }
.value-strip strong { font-size: 21px; font-weight: 500; }
.value-strip small { align-self: end; color: var(--muted); font-size: 12px; }

/* Products */
.products-section { position: relative; padding: clamp(100px, 11vw, 170px) 0; overflow: hidden; }
.products-section::before { content: ""; position: absolute; inset: 0; opacity: .22; background-image: linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px); background-size: 80px 80px; }
.products-glow { position: absolute; width: 800px; height: 800px; right: -300px; top: 25%; border-radius: 50%; background: rgba(12,137,137,.12); filter: blur(100px); }
.products-section .site-container { position: relative; z-index: 1; }
.product-stage { display: grid; grid-template-columns: 295px 1fr; min-height: 600px; border: 1px solid var(--line-dark); background: rgba(255,255,255,.018); }
.product-tabs { display: flex; flex-direction: column; border-right: 1px solid var(--line-dark); }
.product-tab { position: relative; min-height: 150px; padding: 30px 28px; color: rgba(255,255,255,.44); text-align: left; border: 0; border-bottom: 1px solid var(--line-dark); background: transparent; transition: .3s ease; }
.product-tab:last-child { border-bottom: 0; }
.product-tab::before { content: ""; position: absolute; inset: 0 auto 0 0; width: 2px; background: var(--cyan); transform: scaleY(0); transition: transform .3s ease; }
.product-tab span { display: block; margin-bottom: 20px; color: rgba(255,255,255,.25); font-size: 10px; }
.product-tab strong { display: block; margin-bottom: 7px; color: inherit; font-size: 17px; font-weight: 500; }
.product-tab small { font-size: 9px; letter-spacing: .18em; }
.product-tab:hover, .product-tab.active { color: var(--white); background: rgba(102,232,229,.05); }
.product-tab.active::before { transform: scaleY(1); }
.product-tab.active span { color: var(--cyan); }
.product-panel { display: grid; grid-template-columns: 1.35fr .85fr; }
.product-visual { position: relative; min-height: 570px; display: flex; align-items: center; justify-content: center; overflow: hidden; background: radial-gradient(circle at center, rgba(102,232,229,.1), transparent 50%); }
.product-visual::before { content: ""; position: absolute; width: 420px; height: 420px; border: 1px solid rgba(102,232,229,.1); border-radius: 50%; }
.orbit { position: absolute; border: 1px solid rgba(102,232,229,.13); border-radius: 50%; transform: rotateX(65deg); }
.orbit-one { width: 500px; height: 500px; }
.orbit-two { width: 340px; height: 340px; }
.machine { position: relative; z-index: 2; width: 260px; height: 360px; filter: drop-shadow(0 35px 45px rgba(0,0,0,.5)); transform: perspective(900px) rotateY(-7deg); transition: .5s var(--ease); }
.product-stage.switching .machine { transform: perspective(900px) rotateY(8deg) scale(.92); opacity: .45; }
.machine-top { height: 54px; padding: 17px; display: flex; gap: 7px; background: linear-gradient(145deg, #3c484b, #131b1d); border: 1px solid rgba(255,255,255,.2); clip-path: polygon(8% 0,100% 0,100% 100%,0 100%,0 38%); }
.machine-top i { width: 5px; height: 5px; border-radius: 50%; background: rgba(255,255,255,.16); }
.machine-top i:first-child { background: var(--orange); box-shadow: 0 0 8px var(--orange); }
.machine-window { height: 205px; margin-top: 2px; padding: 17px; background: linear-gradient(145deg, #263235, #101719); border: 1px solid rgba(255,255,255,.16); }
.machine-window::before { content: ""; display: block; width: 100%; height: 100%; background: radial-gradient(circle at 52% 72%, rgba(255,107,44,.5), transparent 22%), linear-gradient(135deg, rgba(102,232,229,.08), rgba(0,0,0,.65)); border: 6px solid #080d0e; box-shadow: inset 0 0 30px rgba(0,0,0,.8); }
.machine-window span { position: absolute; width: 80px; height: 70px; left: 92px; top: 142px; border: 1px solid rgba(255,128,58,.7); clip-path: polygon(50% 0, 100% 100%, 0 100%); background: repeating-linear-gradient(60deg, rgba(255,107,44,.14) 0 2px, transparent 2px 10px); }
.machine-window b { position: absolute; width: 2px; height: 56px; left: 132px; top: 85px; background: linear-gradient(var(--cyan), var(--orange)); box-shadow: 0 0 12px var(--orange); }
.machine-base { height: 97px; margin-top: 2px; padding: 24px 20px; display: flex; gap: 12px; background: linear-gradient(145deg, #354043, #11191b); border: 1px solid rgba(255,255,255,.15); }
.machine-base i { flex: 1; border: 1px solid rgba(255,255,255,.08); background: #11181a; }
.spec-pin { position: absolute; z-index: 3; color: var(--cyan); font-size: 9px; letter-spacing: .1em; display: flex; align-items: center; gap: 10px; }
.spec-pin::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 10px var(--cyan); }
.spec-pin::after { content: ""; position: absolute; width: 85px; height: 1px; background: linear-gradient(90deg, var(--cyan), transparent); left: 0; top: 17px; }
.spec-pin span { color: rgba(255,255,255,.46); }
.pin-one { left: 12%; top: 26%; }
.pin-two { right: 6%; bottom: 24%; }
.product-info { padding: 70px 50px; border-left: 1px solid var(--line-dark); }
.product-code { color: var(--cyan); font-size: 10px; letter-spacing: .2em; }
.product-info h3 { margin: 25px 0 20px; font-size: clamp(38px, 4vw, 58px); font-weight: 400; letter-spacing: -.04em; }
.product-info > p { color: rgba(255,255,255,.5); line-height: 1.9; font-size: 14px; }
.product-specs { margin: 40px 0; border-top: 1px solid var(--line-dark); }
.product-specs > div { padding: 17px 0; display: flex; justify-content: space-between; gap: 20px; border-bottom: 1px solid var(--line-dark); }
.product-specs dt { color: rgba(255,255,255,.35); font-size: 11px; font-weight: 400; }
.product-specs dd { margin: 0; color: rgba(255,255,255,.8); font-size: 12px; text-align: right; }
.text-link { display: inline-flex; align-items: center; gap: 30px; color: var(--cyan-dark); font-size: 13px; border-bottom: 1px solid currentColor; padding-bottom: 6px; }
.section-dark .text-link, .products-section .text-link { color: var(--cyan); }
.text-link span { transition: transform .25s ease; }
.text-link:hover span { transform: translateX(5px); }
.demo-note { margin: 16px 0 0; color: rgba(255,255,255,.28); font-size: 10px; text-align: right; }

/* Capabilities */
.capability-grid { display: grid; grid-template-columns: 1.45fr 1fr 1fr; border: 1px solid var(--line); }
.cap-card { position: relative; min-height: 500px; padding: 42px; border-right: 1px solid var(--line); overflow: hidden; transition: background .3s ease, transform .3s ease; }
.cap-card:last-child { border-right: 0; }
.cap-card:hover { background: #fff; transform: translateY(-5px); box-shadow: 0 24px 60px rgba(8,16,18,.08); z-index: 2; }
.cap-index { color: var(--cyan-dark); font-size: 10px; }
.cap-card h3 { margin: 26px 0 16px; font-size: 24px; font-weight: 500; }
.cap-card p { margin: 0; color: #6e7b7d; font-size: 14px; line-height: 1.9; }
.cap-card > a { position: absolute; left: 42px; bottom: 42px; display: flex; gap: 20px; font-size: 12px; }
.cap-icon { width: 68px; height: 68px; margin: 8px 0 80px; display: grid; place-items: center; border: 1px solid rgba(13,141,141,.35); }
.cap-icon svg { width: 40px; fill: none; stroke: var(--cyan-dark); stroke-width: 1.2; }
.cap-feature { color: var(--white); background: #0c1719; }
.cap-feature:hover { background: #101f22; }
.cap-feature p { color: rgba(255,255,255,.5); }
.cap-visual { height: 205px; margin: -10px -10px 34px; position: relative; }
.radar { position: absolute; width: 190px; height: 190px; left: 50%; top: 50%; border: 1px solid rgba(102,232,229,.2); border-radius: 50%; transform: translate(-50%,-50%); background: repeating-radial-gradient(circle, transparent 0 27px, rgba(102,232,229,.1) 28px 29px); }
.radar::before, .radar::after { content: ""; position: absolute; background: rgba(102,232,229,.18); }
.radar::before { width: 1px; height: 100%; left: 50%; }
.radar::after { width: 100%; height: 1px; top: 50%; }
.radar i { position: absolute; inset: 50% 50% 0 0; transform-origin: right top; background: conic-gradient(from 90deg at 100% 0, rgba(102,232,229,.35), transparent 34%); animation: radar 4s linear infinite; }
.radar span, .radar b { position: absolute; width: 6px; height: 6px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 12px var(--cyan); }
.radar span { left: 35px; top: 88px; }.radar b { right: 49px; top: 48px; }
.wave { position: absolute; height: 1px; left: 0; right: 0; background: linear-gradient(90deg, transparent, var(--cyan), transparent); opacity: .25; }
.wave-a { top: 34%; }.wave-b { top: 70%; }
.cap-tags { display: flex; gap: 8px; margin-top: 25px; flex-wrap: wrap; }
.cap-tags span { padding: 6px 10px; color: rgba(255,255,255,.45); border: 1px solid rgba(255,255,255,.1); font-size: 9px; letter-spacing: .08em; }

/* Solutions */
.solutions-section { padding: clamp(100px, 11vw, 170px) 0; color: var(--white); background: #132126; }
.solution-list { border-top: 1px solid var(--line-dark); }
.solution-item { min-height: 138px; display: grid; grid-template-columns: 90px 1fr 1.35fr 56px; gap: 34px; align-items: center; border-bottom: 1px solid var(--line-dark); transition: .35s var(--ease); cursor: default; }
.solution-item:hover, .solution-item.active { padding-inline: 22px; background: var(--cyan); color: var(--ink); }
.solution-no { color: var(--cyan); font-size: 10px; }
.solution-item:hover .solution-no, .solution-item.active .solution-no { color: var(--ink); }
.solution-title small { color: rgba(255,255,255,.32); font-size: 9px; letter-spacing: .18em; }
.solution-title h3 { margin: 7px 0 0; font-size: 26px; font-weight: 500; }
.solution-item > p { margin: 0; color: rgba(255,255,255,.44); font-size: 13px; line-height: 1.8; }
.solution-item:hover p, .solution-item.active p, .solution-item:hover small, .solution-item.active small { color: rgba(8,16,18,.62); }
.solution-arrow { font-size: 24px; text-align: right; }

/* Process */
.process-track { position: relative; display: grid; grid-template-columns: repeat(5, 1fr); padding-top: 20px; }
.process-line { position: absolute; left: 0; right: 0; top: 70px; height: 1px; background: var(--line); }
.process-line i { display: block; height: 100%; width: 0; background: var(--cyan-dark); transition: width 1.8s var(--ease); }
.process-track.in-view .process-line i { width: 100%; }
.process-track article { position: relative; padding-right: 38px; }
.process-track article > span { color: var(--cyan-dark); font-size: 10px; }
.process-dot { position: relative; z-index: 1; width: 11px; height: 11px; margin: 28px 0 38px; background: var(--paper); border: 2px solid var(--cyan-dark); border-radius: 50%; box-shadow: 0 0 0 8px var(--paper); }
.process-track h3 { font-size: 19px; font-weight: 500; }
.process-track p { color: var(--muted); font-size: 12px; line-height: 1.8; }

/* About */
.about-section { position: relative; min-height: 680px; overflow: hidden; }
.about-section::before { content: ""; position: absolute; inset: 0; background: linear-gradient(120deg, #071012 0%, #0d1c20 100%); }
.about-section::after { content: "智核"; position: absolute; right: -1vw; bottom: -6vw; color: rgba(255,255,255,.025); font-size: 24vw; font-weight: 800; line-height: 1; letter-spacing: -.12em; }
.about-inner { position: relative; z-index: 2; min-height: 680px; display: grid; grid-template-columns: 1.4fr .8fr; gap: 100px; align-items: center; }
.about-copy { max-width: 780px; }
.about-copy h2 span { color: var(--cyan); }
.about-copy > p { max-width: 650px; margin-top: 34px; color: rgba(255,255,255,.5); font-size: 15px; line-height: 2; }
.about-values { display: flex; gap: 10px; margin-top: 40px; }
.about-values span { padding: 10px 16px; border: 1px solid rgba(255,255,255,.14); color: rgba(255,255,255,.58); font-size: 11px; }
.about-quote { padding: 44px; border-left: 1px solid var(--cyan); background: rgba(255,255,255,.03); backdrop-filter: blur(15px); }
.about-quote > span { color: var(--cyan); font-family: Georgia, serif; font-size: 72px; line-height: .6; }
.about-quote p { margin: 24px 0 34px; font-size: 20px; line-height: 1.7; }
.about-quote small { color: rgba(255,255,255,.32); font-size: 9px; letter-spacing: .2em; }
.about-orbit { position: absolute; z-index: 1; width: 620px; height: 620px; right: -200px; top: 50%; transform: translateY(-50%); border: 1px solid rgba(102,232,229,.08); border-radius: 50%; }
.about-orbit i { position: absolute; inset: 15%; border: 1px solid rgba(102,232,229,.08); border-radius: 50%; }
.about-orbit i:nth-child(2) { inset: 32%; }
.about-orbit span { position: absolute; width: 7px; height: 7px; top: 20%; left: 9%; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 20px var(--cyan); }

/* Contact */
.contact-section { background: var(--cyan); }
.contact-shell { display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(60px, 9vw, 150px); align-items: center; }
.contact-section .section-kicker { color: rgba(8,16,18,.55); }
.contact-copy h2 span { display: inline-block; color: var(--ink); border-bottom: 3px solid var(--ink); }
.contact-copy > p { max-width: 560px; margin-top: 30px; color: rgba(8,16,18,.62); line-height: 1.9; }
.contact-methods { display: flex; gap: 60px; margin-top: 60px; }
.contact-methods a { display: flex; flex-direction: column; }
.contact-methods small { margin-bottom: 10px; color: rgba(8,16,18,.5); font-size: 10px; }
.contact-methods strong { font-size: 17px; font-weight: 500; }
.inquiry-form { padding: 46px; background: #091315; color: var(--white); box-shadow: 0 30px 70px rgba(8,16,18,.22); }
.form-head { display: flex; justify-content: space-between; margin-bottom: 32px; }
.form-head strong { font-size: 20px; font-weight: 500; }
.form-head span { color: var(--cyan); font-size: 9px; letter-spacing: .2em; }
.inquiry-form label { display: block; margin-bottom: 9px; color: rgba(255,255,255,.46); font-size: 11px; }
.inquiry-form .form-control { color: var(--white); border: 0; border-radius: 0; border-bottom: 1px solid rgba(255,255,255,.18); background: transparent; padding: 10px 0 13px; font-size: 13px; box-shadow: none; }
.inquiry-form .form-control::placeholder { color: rgba(255,255,255,.25); }
.inquiry-form .form-control:focus { border-color: var(--cyan); background: transparent; color: var(--white); }
.inquiry-form textarea { resize: vertical; min-height: 90px; }
.form-submit { width: 100%; height: 54px; margin-top: 28px; padding: 0 20px; display: flex; justify-content: space-between; align-items: center; color: var(--ink); border: 0; background: var(--cyan); transition: .3s ease; }
.form-submit:hover { background: var(--cyan-bright); }
.form-submit:disabled { opacity: .6; cursor: wait; }
.form-submit i { font-style: normal; font-size: 18px; }
.form-privacy { margin: 14px 0 0; color: rgba(255,255,255,.28); font-size: 9px; }
.form-message { min-height: 20px; margin-top: 10px; color: var(--cyan); font-size: 12px; }
.form-message.error { color: #ff8b64; }

/* Footer */
.site-footer { color: rgba(255,255,255,.66); background: #050b0d; }
.footer-top { min-height: 160px; display: flex; justify-content: space-between; align-items: center; border-bottom: 1px solid var(--line-dark); }
.brand-footer { color: var(--white); }
.footer-nav { display: flex; gap: 34px; font-size: 12px; }
.footer-nav a:hover { color: var(--cyan); }
.footer-bottom { min-height: 82px; display: flex; justify-content: space-between; align-items: center; color: rgba(255,255,255,.28); font-size: 10px; }
.footer-bottom p { margin: 0; }
.footer-bottom div { display: flex; gap: 24px; }
.back-top { position: fixed; z-index: 900; right: 24px; bottom: 24px; width: 44px; height: 44px; color: var(--ink); border: 0; background: var(--cyan); opacity: 0; transform: translateY(15px); pointer-events: none; transition: .3s ease; }
.back-top.show { opacity: 1; transform: none; pointer-events: auto; }

@keyframes heroZoom { from { transform: scale(1.08); } to { transform: scale(1.02); } }
@keyframes scan { 0%,100% { transform: translateX(-70px); opacity: 0; } 20%,80% { opacity: .4; } 50% { transform: translateX(100px); } }
@keyframes blink { 50% { opacity: .3; } }
@keyframes bob { 50% { transform: translateY(6px); } }
@keyframes radar { to { transform: rotate(360deg); } }

@media (max-width: 1199px) {
    .main-nav { gap: 22px; }
    .product-stage { grid-template-columns: 240px 1fr; }
    .product-panel { grid-template-columns: 1.05fr .95fr; }
    .product-info { padding: 55px 34px; }
    .capability-grid { grid-template-columns: 1.2fr 1fr 1fr; }
    .cap-card { padding: 32px; }
    .hero-status { width: 285px; }
}

@media (max-width: 991px) {
    .site-header { height: 72px; }
    .brand { min-width: 0; }
    .header-cta { margin-left: auto; margin-right: 16px; }
    .menu-toggle { width: 42px; height: 42px; padding: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 7px; color: var(--white); border: 1px solid rgba(255,255,255,.25); background: transparent; }
    .menu-toggle span { width: 18px; height: 1px; background: currentColor; transition: .3s ease; }
    .menu-toggle.open span:first-child { transform: translateY(4px) rotate(45deg); }
    .menu-toggle.open span:last-child { transform: translateY(-4px) rotate(-45deg); }
    .main-nav { position: fixed; left: 0; right: 0; top: 71px; padding: 32px; display: flex; flex-direction: column; align-items: flex-start; gap: 25px; background: rgba(6,16,19,.98); border-bottom: 1px solid var(--line-dark); transform: translateY(-120%); opacity: 0; pointer-events: none; transition: .4s var(--ease); }
    .main-nav.open { transform: none; opacity: 1; pointer-events: auto; }
    .hero { min-height: 760px; height: 100svh; }
    .hero::after { background: linear-gradient(90deg, rgba(4,12,15,.96), rgba(4,12,15,.5)), linear-gradient(0deg, rgba(4,12,15,.8), transparent); }
    .hero-image { background-position: 58% center; opacity: .68; }
    .hero-copy { width: 75vw; }
    .hero-status { display: none; }
    .intro-layout { grid-template-columns: 1fr; }
    .intro-content p { margin-left: 0; }
    .value-strip { grid-template-columns: repeat(2, 1fr); }
    .value-strip > div:nth-child(2) { border-right: 0; }
    .value-strip > div:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
    .section-heading { align-items: flex-start; flex-direction: column; }
    .product-stage { grid-template-columns: 1fr; }
    .product-tabs { flex-direction: row; border-right: 0; border-bottom: 1px solid var(--line-dark); overflow-x: auto; }
    .product-tab { min-width: 220px; min-height: 120px; border-bottom: 0; border-right: 1px solid var(--line-dark); }
    .product-panel { grid-template-columns: 1fr 1fr; }
    .capability-grid { grid-template-columns: 1fr 1fr; }
    .cap-card { border-bottom: 1px solid var(--line); }
    .cap-card:nth-child(2) { border-right: 0; }
    .cap-feature { grid-column: 1 / -1; min-height: 440px; }
    .solution-item { grid-template-columns: 60px 1fr 1.3fr 40px; }
    .process-track { grid-template-columns: repeat(3, 1fr); gap: 50px 0; }
    .process-line { display: none; }
    .about-inner, .contact-shell { grid-template-columns: 1fr; }
    .about-inner { padding-block: 100px; gap: 60px; }
    .contact-shell { gap: 70px; }
}

@media (max-width: 767px) {
    .site-container { padding-inline: 20px; }
    .brand-copy strong { font-size: 16px; }
    .brand-mark { width: 34px; height: 34px; }
    .header-cta { display: none; }
    .menu-toggle { margin-left: auto; }
    .hero { min-height: 700px; }
    .hero::after { background: linear-gradient(90deg, rgba(4,12,15,.95), rgba(4,12,15,.3)), linear-gradient(0deg, rgba(4,12,15,.85) 0%, transparent 55%); }
    .hero-image { background-position: 64% center; }
    .hero-copy { width: 100%; padding-top: 20px; }
    .hero h1 { font-size: clamp(46px, 14vw, 68px); }
    .hero-copy > p { font-size: 14px; line-height: 1.8; }
    .hero-actions { align-items: stretch; flex-direction: column; width: 210px; }
    .hero-bottom { height: 62px; }
    .intro-section, .capabilities-section, .process-section, .contact-section, .products-section, .solutions-section { padding-block: 90px; }
    .section-heading { margin-bottom: 48px; gap: 28px; }
    .section-heading h2, .intro-content h2, .about-copy h2, .contact-copy h2 { font-size: 38px; }
    .intro-layout { gap: 30px; }
    .intro-content p { font-size: 14px; }
    .value-strip { margin-top: 60px; grid-template-columns: 1fr; }
    .value-strip > div { min-height: 110px; border-right: 0; border-bottom: 1px solid var(--line); }
    .value-strip > div:last-child { border-bottom: 0; }
    .product-tabs { margin: 0; }
    .product-tab { min-width: 190px; padding: 24px 20px; }
    .product-panel { grid-template-columns: 1fr; }
    .product-visual { min-height: 430px; }
    .machine { width: 210px; height: 300px; transform: scale(.86); }
    .product-info { padding: 42px 24px; border-left: 0; border-top: 1px solid var(--line-dark); }
    .product-info h3 { font-size: 42px; }
    .capability-grid { grid-template-columns: 1fr; }
    .cap-feature { grid-column: auto; }
    .cap-card { min-height: 430px; border-right: 0; }
    .solution-item { min-height: 160px; padding: 25px 0; grid-template-columns: 44px 1fr 35px; gap: 15px; }
    .solution-item > p { grid-column: 2 / 4; }
    .solution-item:hover, .solution-item.active { padding-inline: 14px; }
    .process-track { grid-template-columns: 1fr 1fr; gap: 45px 10px; }
    .process-track article { padding-right: 20px; }
    .process-dot { margin: 18px 0 20px; }
    .about-section, .about-inner { min-height: auto; }
    .about-inner { padding-block: 90px; }
    .about-values { flex-wrap: wrap; }
    .about-quote { padding: 34px 28px; }
    .contact-methods { flex-direction: column; gap: 24px; margin-top: 40px; }
    .inquiry-form { padding: 32px 22px; }
    .footer-top { padding-block: 50px; flex-direction: column; align-items: flex-start; gap: 40px; }
    .footer-nav { flex-wrap: wrap; gap: 20px 28px; }
    .footer-bottom { padding-block: 30px; align-items: flex-start; flex-direction: column; gap: 18px; }
    .footer-bottom div { flex-wrap: wrap; gap: 14px 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; }
    .reveal { opacity: 1; transform: none; }
}
