@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@400;500;600;700;800&family=Noto+Sans+SC:wght@400;500;700;800;900&display=swap');

:root {
  --ink: #121212;
  --ink-soft: #242424;
  --paper: #ffffff;
  --mist: #f5f5f2;
  --line: #deded8;
  --orange: #ff6600;
  --orange-deep: #dd4f00;
  --muted: #73736e;
  --max: 1240px;
  --shadow: 0 22px 60px rgba(18, 18, 18, 0.08);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Noto Sans SC", "Microsoft YaHei", sans-serif;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; }
button { cursor: pointer; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,.92);
  border-bottom: 1px solid rgba(18,18,18,.08);
  backdrop-filter: blur(18px);
}
.header-shell, .section-inner, .footer-shell { width: min(var(--max), calc(100% - 64px)); margin: 0 auto; }
.section-inner { position: relative; z-index: 1; }
.header-shell { min-height: 82px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 12px; min-width: max-content; }
.brand img { width: 112px; height: auto; display: block; }
.brand-copy { display: grid; gap: 1px; line-height: 1.15; }
.brand-title { font-size: 15px; font-weight: 800; letter-spacing: .12em; }
.brand-subtitle { color: var(--muted); font: 700 9px/1.2 Manrope, sans-serif; letter-spacing: .18em; text-transform: uppercase; }
.main-nav { display: flex; align-items: center; justify-content: center; gap: 26px; font-size: 13px; font-weight: 700; color: #575752; }
.main-nav a { position: relative; padding: 28px 0 25px; }
.main-nav a::after { content: ""; position: absolute; left: 0; right: 0; bottom: 16px; height: 2px; background: var(--orange); transform: scaleX(0); transform-origin: center; transition: transform .25s ease; }
.main-nav a:hover::after, .main-nav a.is-active::after { transform: scaleX(1); }
.main-nav a.is-active { color: var(--ink); }
.header-actions { display: flex; gap: 10px; }
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 0 20px; border: 1px solid var(--ink); font-size: 13px; font-weight: 800; transition: transform .2s ease, background .2s ease, color .2s ease; }
.btn:hover { transform: translateY(-2px); }
.btn-dark { color: white; background: var(--ink); }
.btn-dark:hover { background: var(--orange); border-color: var(--orange); }
.btn-orange { color: white; background: var(--orange); border-color: var(--orange); }
.btn-orange:hover { background: var(--orange-deep); border-color: var(--orange-deep); }
.btn-light { color: var(--ink); background: white; }
.btn-light:hover { color: white; background: var(--ink); }
.menu-toggle { display: none; border: 0; background: transparent; padding: 10px; }
.menu-toggle span { width: 24px; height: 2px; display: block; background: var(--ink); margin: 5px 0; }

.hero, .section { position: relative; overflow: hidden; }
.hero { min-height: calc(100vh - 82px); display: grid; align-items: center; padding: 86px 0 100px; }
.hero::before, .network-bg::before { content: ""; position: absolute; pointer-events: none; width: 540px; height: 540px; right: -90px; top: -80px; opacity: .7; background: radial-gradient(circle at 19% 29%, var(--orange) 0 7px, transparent 8px), radial-gradient(circle at 58% 14%, var(--orange) 0 7px, transparent 8px), radial-gradient(circle at 82% 56%, var(--orange) 0 7px, transparent 8px), linear-gradient(29deg, transparent 49.7%, rgba(255,102,0,.22) 49.8% 50.1%, transparent 50.2%), linear-gradient(153deg, transparent 49.7%, rgba(255,102,0,.2) 49.8% 50.1%, transparent 50.2%); }
.hero::after, .network-bg::after { content: ""; position: absolute; width: 470px; height: 470px; right: -50px; top: 20px; border: 1px solid rgba(18,18,18,.08); border-radius: 50%; transform: rotate(20deg); pointer-events: none; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(500px, .94fr); gap: 64px; align-items: center; position: relative; z-index: 1; }
.eyebrow, .kicker { margin: 0 0 18px; color: var(--orange-deep); font: 800 12px/1.2 Manrope, "Noto Sans SC", sans-serif; letter-spacing: .2em; text-transform: uppercase; }
.eyebrow::before { content: ""; display: inline-block; width: 28px; height: 2px; margin: 0 12px 4px 0; background: var(--orange); }
h1, h2, h3, p { margin-top: 0; }
h1 { max-width: 740px; margin-bottom: 28px; font-size: clamp(44px, 6vw, 82px); font-weight: 900; letter-spacing: -.08em; line-height: 1.06; }
h1 em, h2 em, .accent { color: var(--orange); font-style: normal; }
.hero-copy h1 span { display: block; }
.hero-copy h1 span:last-child { color: var(--orange); }
.hero-desc { max-width: 630px; margin-bottom: 32px; color: #656560; font-size: 17px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 46px; }
.hero-note { display: flex; flex-wrap: wrap; gap: 28px; padding-top: 22px; border-top: 1px solid var(--line); }
.metric strong { display: block; font: 800 26px/1.2 Manrope, sans-serif; }
.metric span { display: block; color: var(--muted); font-size: 12px; }
.hero-card { position: relative; min-height: 520px; display: grid; place-items: center; }
.hero-visual-shell { position: relative; width: 100%; min-height: 540px; overflow: hidden; border: 1px solid rgba(18,18,18,.12); background: linear-gradient(145deg, #fafaf8 0%, #f2f1ec 100%); box-shadow: 0 28px 80px rgba(18,18,18,.12); }
.hero-visual-shell::before { content: ""; position: absolute; inset: 18px; z-index: 0; border: 1px solid rgba(255,102,0,.17); border-radius: 50%; transform: rotate(-14deg) scaleX(1.28); pointer-events: none; }
.hero-visual-top, .hero-visual-footer { position: absolute; z-index: 3; left: 22px; right: 22px; display: flex; align-items: center; justify-content: space-between; }
.hero-visual-top { top: 20px; }
.hero-visual-top .corner-label { position: static; color: var(--ink); }
.visual-status { color: var(--muted); font: 800 9px/1 Manrope, sans-serif; letter-spacing: .14em; }
.visual-status i { display: inline-block; width: 6px; height: 6px; margin-right: 6px; border-radius: 50%; background: var(--orange); box-shadow: 0 0 0 4px rgba(255,102,0,.12); }
.hero-uploaded-image { position: absolute; z-index: 1; inset: 45px 0 42px; width: 100%; height: calc(100% - 87px); display: block; object-fit: contain; border: 0; background: transparent; box-shadow: none; }
.hero-visual-core { position: absolute; z-index: 3; left: 50%; bottom: 60px; display: grid; gap: 3px; min-width: 148px; padding: 10px 15px; color: white; background: rgba(18,18,18,.9); border-left: 3px solid var(--orange); transform: translateX(-50%); box-shadow: 0 10px 28px rgba(18,18,18,.2); }
.hero-visual-core strong { font: 800 20px/1 Manrope, sans-serif; letter-spacing: -.06em; }
.hero-visual-core span { color: #c4c4bd; font-size: 10px; }
.visual-chip { position: absolute; z-index: 3; display: grid; gap: 2px; min-width: 92px; padding: 9px 11px; background: rgba(255,255,255,.88); border: 1px solid rgba(18,18,18,.12); box-shadow: 0 8px 22px rgba(18,18,18,.08); }
.visual-chip::before { content: ""; position: absolute; width: 7px; height: 7px; border: 2px solid var(--orange); border-radius: 50%; background: white; }
.visual-chip b { color: var(--orange); font: 800 10px/1 Manrope, sans-serif; }
.visual-chip span { font-size: 11px; font-weight: 800; }
.chip-left-top { top: 116px; left: 22px; } .chip-left-top::before { right: -6px; top: 50%; transform: translateY(-50%); }
.chip-left-bottom { bottom: 120px; left: 36px; } .chip-left-bottom::before { right: -6px; top: 50%; transform: translateY(-50%); }
.chip-right-top { top: 155px; right: 22px; } .chip-right-top::before { left: -6px; top: 50%; transform: translateY(-50%); }
.chip-right-bottom { right: 34px; bottom: 105px; } .chip-right-bottom::before { left: -6px; top: 50%; transform: translateY(-50%); }
.hero-visual-footer { bottom: 19px; color: var(--muted); font: 700 9px/1 Manrope, sans-serif; letter-spacing: .16em; }
.footer-line { display: none; }
.contact-visual { min-height: 0; aspect-ratio: 1672 / 941; }
.contact-visual .hero-uploaded-image { inset: 0; width: 100%; height: 100%; }
.service-visual { min-height: 540px; background: linear-gradient(180deg, #f5f5f2 0 18%, #fff 18% 78%, #f5f5f2 78%); }
.service-visual .hero-uploaded-image { top: 18%; right: 0; bottom: auto; left: 0; width: 100%; height: 60%; object-fit: contain; transform: none; transform-origin: center; }
.network-visual .hero-uploaded-image { left: -4%; right: auto; transform: none; }
.service-label { position: absolute; z-index: 4; display: flex; align-items: center; gap: 12px; width: 25%; height: 9.5%; padding: 0 1.5%; background: rgba(255,255,255,.98); border: 1px solid var(--orange); border-radius: 8px; box-shadow: 0 7px 16px rgba(18,18,18,.08); }
.service-label::after { content: ""; position: absolute; top: 50%; width: 42px; height: 1px; background: var(--orange); }
.service-label b { color: var(--orange); font: 800 clamp(11px, 1.1vw, 16px)/1 Manrope, sans-serif; }
.service-label strong { color: var(--ink); font-size: clamp(12px, 1.3vw, 18px); font-weight: 900; line-height: 1; white-space: nowrap; }
.service-label-1 { top: 36%; left: 7%; } .service-label-1::after, .service-label-2::after { right: -43px; }
.service-label-2 { top: 59%; left: 7.5%; } .service-label-3 { top: 35.5%; right: 4%; } .service-label-4 { top: 61%; right: 3.8%; }
.service-label-3::after, .service-label-4::after { left: -43px; }
.galaxy-visual { min-height: 540px; background: linear-gradient(180deg, #f5f5f2 0 18%, #fff 18% 78%, #f5f5f2 78%); }
.galaxy-visual .hero-uploaded-image { top: 18%; right: 0; bottom: auto; left: 0; width: 100%; height: 60%; object-fit: contain; transform: none; }
.galaxy-dark { background: linear-gradient(180deg, #1a1a18 0 18%, #10100f 18% 78%, #1a1a18 78%); border-color: #353532; }
.galaxy-dark .hero-visual-top .corner-label, .galaxy-dark .hero-visual-footer { color: white; }
.galaxy-dark .visual-status { color: #aaa9a2; }
.cube-visual { position: relative; width: min(100%, 500px); aspect-ratio: 1; border: 1px solid var(--line); background: linear-gradient(140deg, rgba(245,245,242,.8), white 58%); box-shadow: var(--shadow); }
.cube-visual::before, .cube-visual::after { content: ""; position: absolute; background: var(--ink); opacity: .12; }
.cube-visual::before { width: 1px; height: 78%; left: 50%; top: 11%; box-shadow: 140px 44px 0 rgba(18,18,18,.12), -140px 115px 0 rgba(18,18,18,.12); }
.cube-visual::after { height: 1px; width: 78%; top: 50%; left: 11%; box-shadow: 46px 140px 0 rgba(18,18,18,.12), -115px -140px 0 rgba(18,18,18,.12); }
.cube-core { position: absolute; inset: 50% auto auto 50%; width: 142px; height: 142px; transform: translate(-50%,-50%) rotate(45deg); display: grid; place-items: center; border: 2px solid var(--orange); background: rgba(255,255,255,.94); box-shadow: 0 0 0 18px rgba(255,102,0,.06); }
.cube-core span { transform: rotate(-45deg); font: 900 24px/1 Manrope, sans-serif; letter-spacing: -.08em; }
.cube-node { position: absolute; z-index: 2; display: grid; place-items: center; width: 84px; height: 84px; border-radius: 50%; color: white; background: var(--ink); font-size: 12px; font-weight: 700; text-align: center; box-shadow: 0 0 0 8px white, 0 8px 22px rgba(18,18,18,.18); }
.cube-node::after { content: ""; position: absolute; z-index: -1; width: 160px; height: 1px; background: var(--orange); transform-origin: left center; }
.node-a { top: 14%; left: 10%; } .node-a::after { transform: rotate(29deg); }
.node-b { top: 10%; right: 10%; } .node-b::after { transform: rotate(154deg); }
.node-c { right: 6%; top: 48%; } .node-c::after { transform: rotate(193deg); }
.node-d { right: 15%; bottom: 9%; } .node-d::after { transform: rotate(232deg); }
.node-e { left: 7%; bottom: 10%; } .node-e::after { transform: rotate(330deg); }
.node-f { left: 3%; top: 50%; } .node-f::after { transform: rotate(353deg); }
.cube-caption { position: absolute; left: 22px; bottom: 18px; color: var(--muted); font: 600 10px/1.4 Manrope, sans-serif; letter-spacing: .14em; text-transform: uppercase; }
.corner-label { position: absolute; top: 18px; right: 20px; font: 800 11px/1 Manrope, sans-serif; letter-spacing: .12em; }

.section { padding: 120px 0; }
.section:not(.hero)::before { content: ""; position: absolute; z-index: 0; width: 470px; height: 470px; right: -150px; top: 12%; opacity: .28; pointer-events: none; background: radial-gradient(circle at 18% 21%, var(--orange) 0 5px, transparent 6px), radial-gradient(circle at 63% 10%, var(--orange) 0 5px, transparent 6px), radial-gradient(circle at 84% 65%, var(--orange) 0 5px, transparent 6px), radial-gradient(circle at 32% 88%, var(--orange) 0 5px, transparent 6px), linear-gradient(31deg, transparent 49.7%, rgba(255,102,0,.3) 49.8% 50.1%, transparent 50.2%), linear-gradient(148deg, transparent 49.7%, rgba(255,102,0,.22) 49.8% 50.1%, transparent 50.2%); }
.section:not(.hero)::after { content: ""; position: absolute; z-index: 0; width: 360px; height: 360px; right: -70px; top: 19%; border: 1px solid rgba(255,102,0,.18); border-radius: 50%; transform: rotate(24deg); pointer-events: none; }
.section-dark:not(.hero)::before { opacity: .16; }
.section-dark:not(.hero)::after { border-color: rgba(255,102,0,.14); }
.section-dark { color: white; background: var(--ink); }
.section-soft { background: var(--mist); }
.section-head { display: flex; justify-content: space-between; align-items: end; gap: 40px; margin-bottom: 52px; }
.section-head h2 { max-width: 700px; margin-bottom: 0; font-size: clamp(34px, 4.6vw, 62px); font-weight: 900; letter-spacing: -.075em; line-height: 1.1; }
.section-head p { max-width: 390px; margin-bottom: 0; color: var(--muted); font-size: 14px; }
.section-dark .section-head p { color: #a6a6a0; }
.quote-block { min-height: 64vh; display: grid; place-items: center; text-align: center; }
.quote-block h2 { max-width: 1060px; margin: 0 auto 28px; font-size: clamp(40px, 6.2vw, 92px); line-height: 1.06; letter-spacing: -.09em; font-weight: 900; }
.quote-block p { max-width: 720px; margin: 0 auto; color: #a7a7a2; font-size: 17px; }
.quote-rule { width: 72px; height: 4px; margin: 32px auto; background: var(--orange); }

.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.feature-card { min-height: 264px; padding: 28px; background: var(--paper); border: 1px solid var(--line); position: relative; transition: transform .25s ease, box-shadow .25s ease; }
.feature-card:hover { transform: translateY(-7px); box-shadow: var(--shadow); }
.feature-card .index, .tab-index { color: var(--orange); font: 800 13px/1 Manrope, sans-serif; letter-spacing: .12em; }
.feature-card h3 { margin: 42px 0 12px; font-size: 22px; letter-spacing: -.04em; }
.feature-card p { margin-bottom: 0; color: var(--muted); font-size: 14px; }
.feature-card .arrow { position: absolute; right: 26px; bottom: 25px; color: var(--orange); font: 700 20px/1 Manrope, sans-serif; }
.dark-card { background: #1d1d1b; border-color: #343431; }
.dark-card p { color: #b5b5ae; }

.split-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 70px; align-items: start; }
.split-label { color: var(--orange); font: 800 12px/1 Manrope, sans-serif; letter-spacing: .16em; }
.split-grid h2 { margin: 18px 0 22px; max-width: 650px; font-size: clamp(32px, 4.5vw, 58px); line-height: 1.1; letter-spacing: -.08em; }
.split-grid .body { color: #a6a6a0; font-size: 16px; }
.matrix { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid #393936; border-left: 1px solid #393936; }
.matrix > div { min-height: 130px; padding: 20px; border-right: 1px solid #393936; border-bottom: 1px solid #393936; }
.matrix strong { display: block; margin-bottom: 8px; color: var(--orange); font-size: 13px; }
.matrix p { margin: 0; color: #c9c9c2; font-size: 14px; }

.tabs { display: grid; grid-template-columns: 290px minmax(0, 1fr); gap: 48px; align-items: start; }
.tab-list { display: grid; gap: 9px; }
.tab-button { position: relative; display: flex; align-items: baseline; gap: 14px; width: 100%; padding: 17px 18px; color: #777771; text-align: left; background: transparent; border: 1px solid transparent; transition: .2s ease; }
.tab-button:hover { color: var(--ink); }
.tab-button.is-active { color: var(--ink); background: white; border-color: var(--line); box-shadow: var(--shadow); }
.section-dark .tab-button { color: #8d8d86; }
.section-dark .tab-button:hover { color: white; }
.section-dark .tab-button.is-active { color: var(--ink); }
.tab-button b { font: 800 12px/1 Manrope, sans-serif; color: var(--orange); }
.tab-button span { font-size: 15px; font-weight: 800; }
.tab-panel { display: none; min-height: 370px; padding: 42px; background: var(--paper); color: var(--ink); border: 1px solid var(--line); animation: fadeIn .35s ease; }
.tab-panel.is-active { display: block; }
.section-dark .tab-panel { background: #f8f8f5; }
.tab-panel h3 { max-width: 730px; margin: 0 0 18px; font-size: clamp(27px, 3.5vw, 44px); line-height: 1.16; letter-spacing: -.07em; }
.tab-panel > p { max-width: 710px; margin-bottom: 30px; color: var(--muted); }
.panel-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.panel-item { padding: 18px; background: var(--mist); border-left: 3px solid var(--orange); }
.panel-item strong { display: block; margin-bottom: 6px; font-size: 14px; }
.panel-item span { color: var(--muted); font-size: 12px; }
.tab-footer { display: flex; justify-content: space-between; align-items: center; gap: 20px; padding-top: 26px; margin-top: 34px; border-top: 1px solid var(--line); color: var(--muted); font-size: 12px; }
.tab-footer strong { color: var(--ink); font-size: 13px; }

.service-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.service-card { min-height: 294px; padding: 28px 24px; background: white; border: 1px solid var(--line); }
.service-card:nth-child(2) { margin-top: 22px; }
.service-card:nth-child(3) { margin-top: 44px; }
.service-card:nth-child(4) { margin-top: 66px; background: var(--ink); color: white; border-color: var(--ink); }
.service-card h3 { margin: 50px 0 12px; font-size: 21px; line-height: 1.2; }
.service-card p { color: var(--muted); font-size: 13px; }
.service-card:nth-child(4) p { color: #adada7; }
.service-card .service-no { font: 800 13px/1 Manrope, sans-serif; color: var(--orange); }
.flow { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; margin-top: 50px; }
.flow-item { position: relative; padding: 18px 24px 0 0; border-top: 2px solid var(--orange); }
.flow-item:not(:last-child)::after { content: "→"; position: absolute; top: 11px; right: 16px; color: var(--orange); font: 700 20px/1 Manrope, sans-serif; }
.flow-item strong { display: block; margin-bottom: 7px; font-size: 15px; }
.flow-item span { color: var(--muted); font-size: 12px; }

.industry-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.industry { min-height: 170px; padding: 22px; display: flex; flex-direction: column; justify-content: space-between; border: 1px solid #353532; background: #191917; transition: .22s ease; }
.industry:hover { background: var(--orange); border-color: var(--orange); transform: translateY(-5px); }
.industry-no { color: var(--orange); font: 800 12px/1 Manrope, sans-serif; }
.industry:hover .industry-no { color: white; }
.industry h3 { margin: 0; color: var(--orange); font-size: 21px; letter-spacing: -.06em; }
.industry p { margin: 0; color: #94948e; font-size: 12px; }
.industry:hover h3, .industry:hover p { color: white; }

.about-layout { display: grid; grid-template-columns: 1.1fr .9fr; gap: 90px; align-items: center; }
.about-layout h2 { margin: 0 0 25px; font-size: clamp(34px, 4.8vw, 66px); line-height: 1.08; letter-spacing: -.08em; }
.about-layout .lead { color: #555550; font-size: 17px; }
.about-points { display: grid; gap: 17px; }
.about-point { display: grid; grid-template-columns: 45px 1fr; gap: 18px; padding: 18px 0; border-top: 1px solid var(--line); }
.about-point b { color: var(--orange); font: 800 14px/1 Manrope, sans-serif; }
.about-point strong { display: block; margin-bottom: 4px; font-size: 15px; }
.about-point span { color: var(--muted); font-size: 13px; }
.closing-cta { display: flex; align-items: center; justify-content: space-between; gap: 30px; padding: 45px 48px; background: var(--orange); }
.closing-cta h2 { max-width: 730px; margin: 0; color: white; font-size: clamp(30px, 4vw, 53px); line-height: 1.1; letter-spacing: -.08em; }

.contact-layout { display: grid; grid-template-columns: .8fr 1.2fr; gap: 90px; align-items: start; }
.contact-copy h2 { margin-bottom: 24px; font-size: clamp(36px, 5vw, 68px); line-height: 1.07; letter-spacing: -.08em; }
.contact-copy p { color: #a6a6a0; font-size: 16px; }
.contact-meta { display: grid; gap: 16px; margin-top: 42px; }
.contact-meta div { padding-top: 14px; border-top: 1px solid #3a3a37; }
.contact-meta span { display: block; color: #898982; font-size: 11px; letter-spacing: .12em; text-transform: uppercase; }
.contact-meta strong { display: block; margin-top: 4px; color: white; font-size: 14px; }
.contact-form { padding: 36px; background: white; color: var(--ink); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-field { margin-bottom: 19px; }
.form-field label { display: block; margin-bottom: 7px; font-size: 13px; font-weight: 800; }
.form-field label small { color: var(--muted); font-weight: 400; }
.form-field input, .form-field textarea, .form-field select { width: 100%; padding: 13px 14px; color: var(--ink); background: #fafaf8; border: 1px solid var(--line); outline: none; transition: border .2s ease, box-shadow .2s ease; }
.form-field input:focus, .form-field textarea:focus, .form-field select:focus { border-color: var(--orange); box-shadow: 0 0 0 3px rgba(255,102,0,.1); }
.form-field textarea { min-height: 100px; resize: vertical; }
.choice-row { display: flex; flex-wrap: wrap; gap: 8px; }
.choice { position: relative; }
.choice input { position: absolute; opacity: 0; pointer-events: none; }
.choice span { display: block; padding: 9px 13px; border: 1px solid var(--line); color: var(--muted); font-size: 12px; cursor: pointer; }
.choice input:checked + span { color: white; background: var(--orange); border-color: var(--orange); }
.conditional { display: none; margin-top: 12px; }
.conditional.is-visible { display: block; }
.form-submit { display: flex; align-items: center; gap: 16px; margin-top: 8px; }
.form-message { display: none; color: var(--orange-deep); font-size: 12px; font-weight: 700; }
.form-message.is-visible { display: block; }
.turnstile-wrap { min-height: 65px; margin: 4px 0 14px; }
.turnstile-wrap.is-invalid { outline: 2px solid rgba(221,79,0,.35); outline-offset: 3px; }

.site-footer { color: white; background: var(--ink); padding-top: 62px; }
.footer-shell { display: grid; grid-template-columns: 1.05fr .95fr 1fr; gap: 60px; padding-bottom: 55px; }
.footer-brand .brand-title { color: white; }
.footer-brand .brand-subtitle { color: #878780; }
.footer-brand img { filter: brightness(0) invert(1); }
.footer-brand p { color: #9b9b94; font-size: 13px; }
.footer-brand p:first-of-type { margin-top: 30px; color: white; }
.footer-links { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px 22px; align-content: start; }
.footer-links a { color: #a2a29c; font-size: 13px; }
.footer-links a:hover { color: var(--orange); }
.footer-contact { color: #a2a29c; font-size: 13px; }
.footer-contact p { margin-bottom: 9px; }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; align-items: center; width: min(var(--max), calc(100% - 64px)); padding: 18px 0 25px; margin: 0 auto; color: #777770; border-top: 1px solid #353532; font-size: 11px; }
.footer-bottom p { margin: 0; }
.footer-legal { display: flex; gap: 17px; }

.reveal { opacity: 0; transform: translateY(14px); transition: opacity .7s ease, transform .7s ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }
@keyframes fadeIn { from { opacity: 0; transform: translateY(7px); } to { opacity: 1; transform: translateY(0); } }

@media (max-width: 980px) {
  .main-nav { gap: 14px; }
  .main-nav a { font-size: 12px; }
  .header-actions .btn { padding: 0 13px; }
  .hero-grid, .about-layout, .contact-layout { grid-template-columns: 1fr; gap: 55px; }
  .hero { padding-top: 62px; }
  .hero-card { min-height: auto; }
  .split-grid { grid-template-columns: 1fr; gap: 44px; }
  .tabs { grid-template-columns: 1fr; gap: 25px; }
  .tab-list { grid-template-columns: repeat(2, 1fr); }
  .service-grid { grid-template-columns: repeat(2, 1fr); }
  .service-card:nth-child(n) { margin-top: 0; }
  .industry-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-shell { grid-template-columns: 1fr 1fr; }
  .footer-contact { grid-column: 1 / -1; }
}
@media (max-width: 720px) {
  .header-shell, .section-inner, .footer-shell, .footer-bottom { width: min(var(--max), calc(100% - 36px)); }
  .header-shell { min-height: 70px; }
  .brand img { width: 92px; }
  .brand-copy { display: none; }
  .header-actions { display: none; }
  .menu-toggle { display: block; }
  .main-nav { position: absolute; left: 18px; right: 18px; top: 70px; display: none; padding: 12px; background: white; border: 1px solid var(--line); box-shadow: var(--shadow); }
  .main-nav.is-open { display: grid; }
  .main-nav a { padding: 12px; }
  .main-nav a::after { bottom: 5px; left: 12px; right: 12px; }
  .hero { min-height: auto; padding: 72px 0 76px; }
  .hero::before, .hero::after, .network-bg::before, .network-bg::after { opacity: .25; transform: scale(.6); transform-origin: top right; }
  h1 { font-size: clamp(42px, 13vw, 68px); }
  .hero-desc { font-size: 15px; }
  .hero-note { gap: 18px; }
  .metric strong { font-size: 21px; }
  .hero-visual-shell { width: 100%; min-height: 390px; }
  .contact-visual { min-height: 0; }
  .service-label { gap: 7px; border-radius: 6px; }
  .service-label::after { width: 24px; }
  .service-label-1::after, .service-label-2::after { right: -25px; }
  .service-label-3::after, .service-label-4::after { left: -25px; }
  .service-label strong { font-size: clamp(10px, 3vw, 15px); }
  .service-label b { font-size: clamp(8px, 2.1vw, 12px); }
  .network-visual .hero-uploaded-image { left: -3%; }
  .hero-visual-top, .hero-visual-footer { left: 16px; right: 16px; }
  .hero-visual-core { bottom: 51px; min-width: 130px; padding: 8px 11px; }
  .hero-visual-core strong { font-size: 17px; }
  .visual-chip { min-width: 78px; padding: 7px 8px; }
  .visual-chip span { font-size: 10px; }
  .chip-left-top { top: 92px; left: 12px; } .chip-left-bottom { bottom: 94px; left: 17px; }
  .chip-right-top { top: 122px; right: 12px; } .chip-right-bottom { right: 17px; bottom: 82px; }
  .footer-line { width: 34px; }
  .cube-visual { width: 100%; }
  .cube-node { width: 66px; height: 66px; font-size: 10px; }
  .cube-node::after { width: 105px; }
  .node-a { left: 4%; } .node-b { right: 4%; } .node-c { right: 0; } .node-d { right: 5%; } .node-e { left: 2%; } .node-f { left: -1%; }
  .cube-core { width: 110px; height: 110px; }
  .cube-core span { font-size: 19px; }
  .section { padding: 78px 0; }
  .section-head { display: block; margin-bottom: 33px; }
  .section-head p { margin-top: 18px; }
  .feature-grid, .panel-grid { grid-template-columns: 1fr; }
  .matrix { grid-template-columns: 1fr; }
  .tab-list { grid-template-columns: 1fr; }
  .tab-panel { padding: 25px 20px; min-height: 0; }
  .service-grid, .industry-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
  .service-card { min-height: 250px; padding: 20px 16px; }
  .service-card h3 { margin-top: 38px; font-size: 17px; }
  .flow { grid-template-columns: 1fr 1fr; gap: 25px 0; }
  .flow-item:not(:last-child)::after { display: none; }
  .industry { min-height: 135px; padding: 16px; }
  .industry h3 { font-size: 17px; }
  .closing-cta { display: block; padding: 28px 24px; }
  .closing-cta .btn { margin-top: 22px; }
  .contact-form { padding: 24px 18px; }
  .form-row { grid-template-columns: 1fr; gap: 0; }
  .footer-shell { grid-template-columns: 1fr; gap: 30px; }
  .footer-contact { grid-column: auto; }
  .footer-bottom { display: block; }
  .footer-legal { margin-top: 9px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}