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

:root {
  --ink: #07111c;
  --ink-soft: #101f2d;
  --paper: #f3f5f4;
  --white: #fbfcfa;
  --muted: #89959e;
  --line: rgba(15, 33, 48, .12);
  --cyan: #67e6ef;
  --cyan-deep: #13aab6;
  --lime: #d5f66c;
  --serif: "Songti SC", "STSong", "Noto Serif CJK SC", "Source Han Serif SC", serif;
  --sans: "Manrope", "PingFang SC", "Microsoft YaHei", sans-serif;
  --mono: "DM Mono", "SFMono-Regular", Consolas, monospace;
  --max: 1240px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 82px; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--sans); -webkit-font-smoothing: antialiased; }
body.menu-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
::selection { color: var(--ink); background: var(--cyan); }
.site-shell { overflow: hidden; }

.site-header {
  position: absolute; z-index: 10; top: 0; left: 0; width: 100%; height: 82px; padding: 0 max(5vw, calc((100vw - var(--max))/2));
  display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid rgba(255,255,255,.13); color: #fff;
}
.brand { display: inline-flex; align-items: center; gap: 15px; min-width: 230px; }
.brand img { width: 138px; height: auto; filter: brightness(0) invert(1); }
.brand-divider { height: 28px; width: 1px; background: rgba(255,255,255,.3); }
.brand-caption { color: rgba(234,250,251,.66); font-size: 9px; letter-spacing: .08em; line-height: 1.55; }
.brand-caption b { font-family: var(--mono); font-size: 8px; letter-spacing: .11em; font-weight: 400; }
.main-nav { display: flex; align-items: center; gap: clamp(25px, 4vw, 58px); font-size: 12px; letter-spacing: .05em; color: rgba(239,249,250,.76); }
.main-nav > a { transition: color .2s ease; }
.main-nav > a:hover { color: #fff; }
.main-nav .nav-contact { padding: 11px 17px; border: 1px solid rgba(103,230,239,.58); color: #dffeff; }
.nav-contact span { padding-left: 12px; color: var(--cyan); font-size: 15px; }
.menu-toggle { display: none; }

.hero { min-height: 780px; height: min(100vh, 940px); position: relative; display: flex; align-items: center; padding: 110px max(8vw, calc((100vw - 1100px)/2)) 90px; color: #f7fbfc; background: #081420; isolation: isolate; }
.hero-backdrop { position: absolute; z-index: -3; inset: 0; background: linear-gradient(90deg, rgba(5,14,24,.97) 0%, rgba(5,17,29,.9) 39%, rgba(4,19,31,.68) 73%, rgba(4,15,25,.86) 100%), linear-gradient(0deg, rgba(3,12,20,.85), transparent 35%, rgba(4,14,23,.5)), url("assets/hero-city.webp") center 43%/cover; transform: scale(1.02); }
.hero-grid, .contact-grid { position: absolute; inset: 0; z-index: -2; pointer-events: none; opacity: .18; background-image: linear-gradient(rgba(143,221,226,.12) 1px, transparent 1px), linear-gradient(90deg, rgba(143,221,226,.12) 1px, transparent 1px); background-size: 84px 84px; mask-image: linear-gradient(90deg, transparent, #000 60%, #000); }
.hero::before { content: ""; position: absolute; z-index: -1; inset: 0; background: radial-gradient(ellipse at 79% 45%, rgba(45,173,201,.12), transparent 37%); }
.hero-content { z-index: 2; width: min(50%, 570px); padding-top: 3px; }
.eyebrow { display: flex; align-items: center; gap: 12px; margin: 0 0 27px; font: 10px/1.2 var(--mono); letter-spacing: .19em; color: rgba(218,242,245,.68); }
.eyebrow-line { display: inline-block; height: 1px; width: 29px; background: var(--cyan); }
.eyebrow-dark { color: #52636b; }
.hero h1 { margin: 0; font-family: var(--serif); font-size: clamp(46px, 5.3vw, 72px); font-weight: 500; letter-spacing: .035em; line-height: 1.38; }
.hero h1 span, .contact h2 span { color: var(--cyan); }
.hero-copy { max-width: 460px; margin: 24px 0 31px; font-size: 21px; line-height: 1.75; letter-spacing: .025em; color: rgba(222,235,238,.7); }
.hero-actions { display: flex; align-items: center; gap: 28px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 27px; min-height: 48px; padding: 0 20px; font-size: 12px; letter-spacing: .05em; transition: transform .2s ease, background .2s ease, border-color .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--cyan); color: #071720; }
.button-primary:hover { background: #a1f2f4; }
.button-primary span { font-size: 16px; }
.button-quiet { padding: 0; color: rgba(240,249,250,.8); gap: 10px; }
.play-icon { display: inline-grid; place-items: center; width: 27px; height: 27px; border: 1px solid rgba(228,250,251,.5); border-radius: 50%; color: var(--cyan); }
.hero-proof { display: flex; align-items: center; gap: clamp(17px, 2.2vw, 34px); margin-top: 72px; }
.hero-proof > div { display: flex; flex-direction: column; gap: 6px; }
.hero-proof strong { font: 500 21px/1 var(--mono); letter-spacing: -.04em; color: #eafafa; }
.hero-proof strong span { font-family: var(--sans); font-size: 12px; color: var(--cyan); }
.hero-proof small { color: rgba(209,230,232,.55); font-size: 15px; line-height: 1.55; letter-spacing: .02em; }
.proof-rule { width: 1px; height: 34px; background: rgba(216,239,241,.21); }
.hero-visual { position: absolute; z-index: 1; top: 11%; right: 0; bottom: 7%; width: 50%; perspective: 900px; }
.flight-video-frame { position: absolute; z-index: 0; inset: -4% -2% -3% -8%; overflow: hidden; opacity: .94; mask-image: linear-gradient(90deg, transparent 0%, #000 11%, #000 91%, transparent 100%); }
.flight-video { display: block; width: 100%; height: 100%; object-fit: cover; object-position: center; mix-blend-mode: screen; filter: contrast(1.08) saturate(.82) brightness(.92); }
.flight-hud { position: absolute; z-index: 2; top: 23%; right: 4%; display: flex; align-items: center; gap: 9px; padding: 11px 13px; border: 1px solid rgba(122,233,239,.35); color: rgba(225,249,250,.76); background: rgba(6,18,28,.7); backdrop-filter: blur(10px); font: 8px var(--mono); letter-spacing: .13em; }
.flight-hud b { color: #d5f66c; font-weight: 400; }
.flight-hud-dot { width: 6px; height: 6px; border-radius: 50%; background: #d5f66c; box-shadow: 0 0 11px #d5f66c; animation: status-pulse 1.8s ease-in-out infinite; }
.telemetry { position: absolute; display: flex; align-items: center; gap: 8px; padding: 10px 12px; color: rgba(221,246,248,.67); border: 1px solid rgba(106,219,229,.26); background: rgba(7,20,31,.66); backdrop-filter: blur(10px); font: 8px var(--mono); letter-spacing: .12em; }
.telemetry b { padding-left: 6px; color: var(--cyan); font-weight: 400; }
.telemetry-top { top: 33%; left: 5%; right: auto; bottom: auto; }
.telemetry-bottom { left: 8%; bottom: 21%; }
.pulse-dot { height: 6px; width: 6px; border-radius: 50%; background: #8cf8be; box-shadow: 0 0 9px #8cf8be; }
.telemetry-icon { color: var(--cyan); font-size: 13px; }
.visual-coordinate { position: absolute; top: 18%; left: 5%; font: 9px/1.8 var(--mono); color: rgba(180,235,239,.46); }
.visual-index { position: absolute; right: 7%; bottom: 9%; font: 9px var(--mono); letter-spacing: .17em; color: rgba(190,237,239,.45); }
.scroll-cue { position: absolute; left: max(5vw, calc((100vw - var(--max))/2)); bottom: 37px; display: flex; align-items: center; gap: 12px; font-size: 15px; letter-spacing: .06em; color: rgba(222,240,242,.53); }
.scroll-cue span { display: inline-block; height: 28px; width: 16px; border: 1px solid rgba(222,240,242,.35); border-radius: 12px; position: relative; }
.scroll-cue span::after { content: ""; position: absolute; top: 6px; left: 6px; width: 2px; height: 5px; background: var(--cyan); animation: scroll-dot 1.6s infinite; }
.hero-side-note { position: absolute; right: max(5vw, calc((100vw - var(--max))/2)); bottom: 43px; margin: 0; color: rgba(214,238,239,.4); font: 8px var(--mono); letter-spacing: .11em; writing-mode: vertical-rl; }
.hero-side-note i { color: var(--cyan); font-style: normal; }

.section-pad { padding: 124px max(8vw, calc((100vw - var(--max))/2)); }
.intro { display: grid; grid-template-columns: 1fr 1.06fr; column-gap: 10%; align-items: start; padding-top: 130px; padding-bottom: 118px; background: var(--paper); }
.section-heading .eyebrow { margin-bottom: 23px; }
.section-heading h2, .approach-heading h2, .about-detail h2 { margin: 0; font-family: var(--serif); font-size: clamp(34px, 4vw, 52px); line-height: 1.45; font-weight: 500; letter-spacing: .04em; }
.section-heading h2 em, .about-detail h2 em { color: #839197; font-style: normal; }
.intro-copy { padding-top: 30px; max-width: 570px; }
.intro-copy p { margin: 0 0 18px; color: #66747a; font-size: 19.5px; line-height: 1.8; }
.intro-copy .lead { color: #24343d; font-size: 22.5px; line-height: 1.7; }
.text-link { display: inline-flex; align-items: center; gap: 20px; margin-top: 9px; padding-bottom: 8px; border-bottom: 1px solid #a9b7b9; font-size: 11px; letter-spacing: .09em; transition: gap .2s ease; }
.text-link:hover { gap: 28px; }
.text-link span { color: var(--cyan-deep); font-size: 15px; }
.intro-metrics { grid-column: 1/-1; margin-top: 82px; padding-top: 28px; border-top: 1px solid var(--line); display: grid; grid-template-columns: repeat(3, 1fr); }
.metric { display: flex; flex-direction: column; gap: 10px; padding-left: 24px; border-left: 1px solid var(--line); }
.metric:first-child { padding-left: 0; border: 0; }
.metric strong { font-family: var(--mono); font-size: clamp(25px,3vw,37px); font-weight: 400; letter-spacing: -.06em; }
.metric strong span { color: #46bfc7; font-size: .65em; }
.metric small { font-size: 16.5px; line-height: 1.5; color: #7c898e; }

.capabilities { padding-top: 112px; padding-bottom: 135px; background: #e9eeec; }
.section-topline { display: flex; align-items: end; justify-content: space-between; margin-bottom: 55px; }
.section-aside { max-width: 390px; margin: 0 0 7px; color: #77858a; font-size: 18px; line-height: 1.7; }
.capability-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; align-items: stretch; }
.capability-card { background: #f8f9f6; min-width: 0; transition: transform .35s ease, box-shadow .35s ease; }
.capability-card:hover { transform: translateY(-7px); box-shadow: 0 25px 60px rgba(16,37,49,.11); }
.card-image { position: relative; height: clamp(180px, 20vw, 255px); overflow: hidden; background: #071827; }
.card-image > img { width: 100%; height: 100%; object-fit: cover; opacity: .59; filter: saturate(.75); transition: transform .5s ease, opacity .5s ease; }
.capability-card:hover .card-image > img { transform: scale(1.045); opacity: .76; }
.card-mobility .card-image > img { object-position: 50% 43%; }
.card-ai .card-image > img { object-position: 54% center; }
.card-mobile .card-image > img { object-position: center; }
.image-overlay { position: absolute; inset: 0; background: linear-gradient(0deg, rgba(5,16,26,.65), transparent 70%), linear-gradient(90deg, rgba(4,24,35,.18), rgba(5,18,27,.06)); }
.image-code { position: absolute; top: 16px; left: 18px; z-index: 1; color: rgba(208,247,248,.72); font: 8px var(--mono); letter-spacing: .15em; }
.network-mark { position: absolute; width: 108px; height: 108px; left: 50%; top: 50%; transform: translate(-50%,-38%); border: 1px solid rgba(116,237,242,.65); border-radius: 50%; box-shadow: 0 0 30px rgba(65,216,229,.15), inset 0 0 30px rgba(65,216,229,.12); }
.network-mark::before, .network-mark::after { content: ""; position: absolute; background: rgba(116,237,242,.6); top: 50%; left: 50%; transform: translate(-50%,-50%); }
.network-mark::before { width: 145px; height: 1px; }
.network-mark::after { width: 1px; height: 145px; }
.network-mark i { position: absolute; z-index: 1; width: 5px; height: 5px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 9px var(--cyan); }
.network-mark i:nth-child(1) { top: 10px; left: 52px; }.network-mark i:nth-child(2) { top: 50px; left: 50px; width: 8px; height: 8px; }.network-mark i:nth-child(3) { top: 50px; right: 12px; }.network-mark i:nth-child(4) { bottom: 16px; left: 27px; }.network-mark i:nth-child(5) { top: 29px; left: 17px; }
.ai-orb { position: absolute; top: 50%; left: 50%; transform: translate(-50%,-40%); display: grid; place-items: center; width: 104px; height: 104px; border: 1px solid rgba(134,239,239,.63); border-radius: 50%; color: #b8f9f5; font: 21px var(--mono); text-shadow: 0 0 18px var(--cyan); background: rgba(4,26,37,.3); box-shadow: inset 0 0 32px rgba(40,197,212,.2), 0 0 30px rgba(40,197,212,.12); }
.ai-orb::before,.ai-orb::after { content: ""; position: absolute; border: 1px solid rgba(134,239,239,.34); border-radius: 50%; transform: rotateX(69deg); }
.ai-orb::before { inset: -13px -35px; }.ai-orb::after { inset: -30px -7px; transform: rotateX(72deg) rotateZ(53deg); }
.phone-outline { position: absolute; top: 48%; left: 50%; width: 59px; height: 104px; transform: translate(-50%,-38%) rotate(-10deg); border: 1px solid rgba(153,244,242,.86); border-radius: 9px; background: rgba(4,26,38,.36); box-shadow: 0 0 24px rgba(48,201,212,.18); }
.phone-outline::before { content: ""; position: absolute; top: 7px; left: 23px; width: 13px; height: 2px; border-radius: 2px; background: rgba(153,244,242,.8); }
.phone-outline span { position: absolute; top: 23px; left: 9px; width: 39px; height: 28px; border: 1px solid rgba(153,244,242,.55); background: linear-gradient(135deg, rgba(71,200,208,.32), transparent); }
.phone-outline i { position: absolute; left: 10px; width: 36px; height: 1px; background: rgba(153,244,242,.62); }.phone-outline i:nth-of-type(1) { top: 62px; }.phone-outline i:nth-of-type(2) { top: 70px; width: 28px; }.phone-outline i:nth-of-type(3) { top: 84px; width: 18px; }
.card-body { padding: 24px 24px 26px; }
.card-title-row { display: flex; align-items: center; gap: 13px; }
.card-number { color: #38aeb9; font: 10px var(--mono); }
.card-title-row h3 { flex: 1; margin: 0; font-size: 19px; font-weight: 500; letter-spacing: .02em; }
.card-arrow { color: #75858a; font-size: 17px; transition: transform .2s ease, color .2s ease; }
.capability-card:hover .card-arrow { color: var(--cyan-deep); transform: translate(3px,-3px); }
.card-body > p { min-height: 73px; margin: 17px 0 20px; color: #78858a; font-size: 16.5px; line-height: 1.65; }
.tags { display: flex; flex-wrap: wrap; gap: 7px; }
.tags span { padding: 7px 10px; border: 1px solid rgba(38,79,88,.12); color: #66787e; font-size: 13.5px; line-height: 1.35; letter-spacing: .02em; }

.copyrights { background: #f2f5f2; }
.copyright-topline { margin-bottom: 57px; }
.copyright-topline .section-aside { max-width: 390px; }
.copyright-group + .copyright-group { margin-top: 53px; }
.copyright-group-heading { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-bottom: 19px; padding-bottom: 13px; border-bottom: 1px solid rgba(15,33,48,.15); }
.copyright-group-heading h3 { margin: 0; color: #20343d; font-size: 22px; font-weight: 500; letter-spacing: .03em; }
.copyright-group-heading > span { color: #6c8086; font: 10px var(--mono); letter-spacing: .15em; }
.copyright-grid { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 14px; }
.copyright-card { display: grid; grid-template-columns: 84px minmax(0,1fr); gap: 14px; align-items: center; min-width: 0; min-height: 164px; padding: 14px; border: 1px solid rgba(15,33,48,.1); background: rgba(251,252,250,.9); box-shadow: 0 7px 22px rgba(15,38,48,.035); transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease; }
.copyright-card:hover { transform: translateY(-4px); border-color: rgba(19,170,182,.42); box-shadow: 0 15px 32px rgba(15,38,48,.09); }
.copyright-preview { display: block; width: 84px; aspect-ratio: 595 / 805; object-fit: cover; padding: 3px; border: 1px solid rgba(15,33,48,.12); background: #fff; box-shadow: 0 3px 10px rgba(11,35,44,.11); transition: transform .25s ease; }
.copyright-card:hover .copyright-preview { transform: scale(1.025); }
.copyright-card-copy { display: flex; flex-direction: column; align-items: flex-start; min-width: 0; }
.copyright-kicker { color: #6f8a8e; font: 8px/1.3 var(--mono); letter-spacing: .08em; }
.copyright-card-copy > strong { margin: 7px 0 8px; color: #1b3039; font-size: 14px; line-height: 1.45; font-weight: 600; }
.copyright-number { color: #5e747a; font-size: 10px; line-height: 1.4; }
.copyright-number b { display: block; margin-top: 2px; color: #168b96; font: 500 11px/1.35 var(--mono); letter-spacing: -.02em; }
.copyright-cert { margin-top: 5px; color: #819094; font-size: 9px; line-height: 1.35; overflow-wrap: anywhere; }
.copyright-open { margin-top: 8px; color: #138f9a; font-size: 10px; letter-spacing: .04em; }

.harmonyos { background: linear-gradient(145deg, #f8f7f2 0%, #edf3f1 58%, #e8efed 100%); }
.harmonyos-topline { margin-bottom: 48px; }
.harmonyos-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 16px; }
.harmony-cert-card { display: grid; grid-template-columns: 96px minmax(0,1fr); gap: 18px; align-items: center; min-width: 0; min-height: 186px; padding: 17px; border: 1px solid rgba(105,91,60,.15); background: rgba(255,255,255,.78); box-shadow: 0 8px 24px rgba(40,47,39,.045); transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease; }
.harmony-cert-card:hover { transform: translateY(-4px); border-color: rgba(173,137,67,.5); box-shadow: 0 16px 34px rgba(40,47,39,.1); }
.harmony-cert-card > img { display: block; width: 96px; aspect-ratio: 1240 / 1754; object-fit: contain; padding: 3px; border: 1px solid rgba(105,91,60,.2); background: #fbf8f1; box-shadow: 0 4px 12px rgba(45,41,29,.12); transition: transform .25s ease; }
.harmony-cert-card:hover > img { transform: scale(1.025); }
.harmony-cert-copy { display: flex; flex-direction: column; align-items: flex-start; min-width: 0; }
.harmony-cert-badge { padding: 5px 7px; border: 1px solid rgba(159,124,56,.24); color: #896d36; background: rgba(228,202,148,.16); font-size: 13px; line-height: 1.35; }
.harmony-cert-copy > strong { margin-top: 12px; color: #172c35; font-size: 21px; font-weight: 500; letter-spacing: .08em; }
.harmony-cert-title { margin-top: 4px; color: #62767b; font-size: 16.5px; line-height: 1.45; }
.harmony-cert-issued { margin-top: 10px; color: #896d36; font-size: 15px; font-weight: 600; letter-spacing: .02em; }
.harmony-cert-open { margin-top: 10px; color: #138f9a; font-size: 13.5px; letter-spacing: .04em; }

.approach { position: relative; overflow: hidden; background: #071420; color: #f5fbfb; padding-top: 128px; padding-bottom: 126px; isolation: isolate; }
.approach-backdrop { position: absolute; z-index: -2; inset: 0; opacity: .28; background: linear-gradient(90deg, #071420 8%, rgba(7,20,32,.89) 52%, #071420), url("assets/hero-city.webp") center 58%/cover; }
.approach::after { content: ""; position: absolute; z-index: -1; width: 680px; height: 680px; top: 50%; right: -90px; transform: translateY(-50%); border: 1px solid rgba(94,219,225,.1); border-radius: 50%; box-shadow: 0 0 0 80px rgba(94,219,225,.025),0 0 0 160px rgba(94,219,225,.02); }
.approach-inner { max-width: var(--max); margin: 0 auto; display: grid; grid-template-columns: .85fr 1.15fr; gap: 12%; }
.approach-heading { max-width: 410px; }
.approach-heading h2 { color: #f2f9f9; }
.approach-heading h2 em { color: #86a1a5; font-style: normal; }
.approach-heading > p:not(.eyebrow) { max-width: 390px; margin: 24px 0 29px; font-size: 18px; line-height: 1.75; color: rgba(208,231,233,.72); }
.button-outline { border: 1px solid rgba(121,218,225,.55); color: #d9f2f2; padding-left: 17px; padding-right: 17px; }
.button-outline span { color: var(--cyan); font-size: 16px; }
.button-outline:hover { border-color: var(--cyan); background: rgba(103,230,239,.08); }
.process-list { border-top: 1px solid rgba(191,235,235,.2); }
.process-step { display: grid; grid-template-columns: 56px 1fr 25px; gap: 16px; align-items: center; padding: 24px 0 22px; border-bottom: 1px solid rgba(191,235,235,.18); transition: padding .25s ease; }
.process-step:hover { padding-left: 9px; }
.process-num { align-self: start; padding-top: 4px; color: var(--cyan); font: 10px var(--mono); }
.process-step h3 { margin: 0 0 6px; font-size: 15px; font-weight: 500; }
.process-step p { margin: 0; color: rgba(201,225,227,.72); font-size: 15px; line-height: 1.65; }
.process-icon { align-self: start; color: rgba(130,237,240,.7); font-size: 19px; text-align: right; }
.approach-coordinate { position: absolute; bottom: 28px; right: max(6vw, calc((100vw - var(--max))/2)); color: rgba(169,218,221,.3); font: 8px var(--mono); letter-spacing: .13em; }

.about-detail { display: grid; grid-template-columns: .72fr 1.28fr; gap: 11%; align-items: center; padding-top: 130px; padding-bottom: 130px; background: #f6f7f4; }
.about-stamp { position: relative; display: flex; flex-direction: column; align-items: flex-start; justify-content: center; width: 230px; height: 230px; margin: 0 auto; padding-left: 40px; border: 1px solid rgba(28,82,93,.22); border-radius: 50%; color: #0a2835; }
.about-stamp::before,.about-stamp::after { content: ""; position: absolute; inset: 12px; border: 1px solid rgba(28,82,93,.13); border-radius: 50%; }
.about-stamp::after { inset: -10px; border-style: dashed; opacity: .5; animation: orbit 38s linear infinite; }
.about-stamp > span { font: 55px/.98 var(--mono); letter-spacing: -.1em; color: #1096a2; }
.about-stamp > i { height: 1px; width: 85px; margin: 12px 0 11px; background: #61b7b9; }
.about-stamp small { color: #6d858a; font: 12px/1.5 var(--mono); letter-spacing: .12em; }
.about-detail-copy { max-width: 620px; }
.about-detail-copy .eyebrow { margin-bottom: 18px; }
.about-detail h2 { font-size: clamp(34px, 3.6vw, 48px); }
.about-lead { max-width: 580px; margin: 23px 0 12px !important; font-size: 21px !important; line-height: 1.75; color: #30444a !important; }
.about-detail-copy > p:not(.eyebrow) { margin: 0; color: #718085; font-size: 16.5px; line-height: 1.8; }
.values-row { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 24px; }
.values-row span { border-bottom: 1px solid #8cbdbe; padding: 0 11px 7px 0; margin-right: 10px; font-size: 15px; color: #4d676e; letter-spacing: .06em; }

.contact { position: relative; display: flex; align-items: center; justify-content: space-between; gap: 45px; min-height: 430px; padding-top: 94px; padding-bottom: 94px; background: #0a1c29; color: #f6fafa; isolation: isolate; }
.contact::before { content: ""; position: absolute; z-index: -2; inset: 0; background: radial-gradient(ellipse at 91% 48%, rgba(38,155,179,.17), transparent 39%), linear-gradient(90deg, rgba(8,26,38,.97), rgba(8,26,38,.8)), url("assets/hero-city.webp") center 53%/cover; }
.contact-grid { z-index: -1; opacity: .13; }
.contact-content { max-width: 580px; }
.contact-content .eyebrow { margin-bottom: 22px; }
.contact h2 { margin: 0; font-family: var(--serif); font-weight: 500; font-size: clamp(39px, 5vw, 62px); letter-spacing: .04em; line-height: 1.4; }
.contact-content > p:not(.eyebrow) { color: rgba(218,235,237,.74); margin: 15px 0 26px; font-size: 18px; line-height: 1.75; }
.contact-button { min-height: 45px; }
.contact-aside { min-width: 300px; max-width: 390px; padding-top: 25px; }
.contact-label { display: block; color: rgba(193,229,231,.45); font: 9px var(--mono); letter-spacing: .2em; margin-bottom: 17px; }
.contact-list { display: grid; }
.contact-person { display: grid; grid-template-columns: 68px 1fr; align-items: center; gap: 12px; padding: 12px 0; border-bottom: 1px solid rgba(191,235,235,.16); }
.contact-person-name { color: rgba(205,229,230,.72); font-size: 15px; white-space: nowrap; }
.contact-phone { display: inline-block; color: #e6f6f6; font: 19px var(--mono); letter-spacing: -.05em; white-space: nowrap; }
.contact-phone span { padding-left: 8px; font-size: 15px; color: var(--cyan); }
.contact-email { display: inline-flex; align-items: center; gap: 8px; margin-top: 16px; color: rgba(218,243,244,.82); font: 14px var(--mono); overflow-wrap: anywhere; transition: color .2s; }
.contact-email:hover { color: var(--cyan); }
.contact-email span { color: var(--cyan); font: 15px var(--sans); }
.contact-location { display: block; margin-top: 12px; color: rgba(205,229,230,.62); font-size: 15px; letter-spacing: .05em; }
.contact-signal { display: flex; gap: 4px; align-items: end; margin-top: 24px; height: 23px; opacity: .7; }
.contact-signal i { display: block; width: 3px; height: 6px; background: #4bc9d1; animation: signal 1.7s ease-in-out infinite alternate; }
.contact-signal i:nth-child(2n) { height: 13px; animation-delay: .3s; }.contact-signal i:nth-child(3n) { height: 19px; animation-delay: .65s; }.contact-signal i:nth-child(4n) { height: 10px; animation-delay: .2s; }

.site-footer { display: grid; grid-template-columns: 1.2fr 1fr 1fr; align-items: center; gap: 20px; padding: 31px max(5vw, calc((100vw - var(--max))/2)); background: #06111a; color: rgba(219,238,239,.72); font-size: 13.5px; }
.footer-brand { display: flex; align-items: center; gap: 16px; }
.footer-brand img { width: 108px; height: auto; filter: brightness(0) invert(1); opacity: .84; }
.footer-brand span { padding-left: 15px; border-left: 1px solid rgba(217,242,243,.24); color: rgba(217,242,243,.65); font-size: 13.5px; }
.site-footer > p { margin: 0; line-height: 1.8; color: rgba(234,246,246,.76); }
.site-footer > p small { color: rgba(194,222,223,.65); font-size: 12px; }
.footer-records { display: flex; flex-wrap: wrap; gap: 7px 14px; margin-top: 7px; }
.footer-records a { color: rgba(194,222,223,.78); font-size: 12px; text-decoration: underline; text-decoration-color: rgba(194,222,223,.4); text-underline-offset: 3px; transition: color .2s, text-decoration-color .2s; }
.footer-records a:hover { color: var(--cyan); text-decoration-color: currentColor; }
.footer-meta { justify-self: end; display: flex; flex-direction: column; gap: 8px; align-items: flex-end; color: rgba(194,222,223,.39); }
.footer-meta a { color: rgba(219,242,243,.67); transition: color .2s; }.footer-meta a:hover { color: var(--cyan); }

.reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s ease, transform .7s cubic-bezier(.2,.7,.2,1); }
.reveal.is-visible { opacity: 1; transform: translateY(0); }
.capability-card.reveal:nth-child(2) { transition-delay: .09s; }.capability-card.reveal:nth-child(3) { transition-delay: .18s; }

@keyframes float-car { 0%,100% { transform: translateY(0) rotateX(0); } 50% { transform: translateY(-10px) rotateX(1deg); } }
@keyframes status-pulse { 50% { opacity: .32; box-shadow: 0 0 3px #d5f66c; } }
@keyframes scroll-dot { 0% { transform: translateY(0); opacity: 1; } 75%,100% { transform: translateY(10px); opacity: 0; } }
@keyframes orbit { to { transform: rotate(360deg); } }
@keyframes signal { to { opacity: .32; transform: scaleY(.52); transform-origin: bottom; } }

@media (min-width: 1440px) { .hero { padding-left: calc((100vw - 1100px)/2); padding-right: calc((100vw - 1100px)/2); } }
@media (max-width: 1050px) {
  .site-header { padding: 0 5vw; }
  .hero { padding-left: 7vw; padding-right: 7vw; min-height: 740px; }
  .hero-content { width: 54%; }
  .hero-visual { right: -3%; width: 54%; }
  .hero-proof { gap: 18px; }
  .section-pad { padding-left: 7vw; padding-right: 7vw; }
  .card-body { padding-left: 18px; padding-right: 18px; }
  .about-detail { gap: 7%; }
  .copyright-grid { grid-template-columns: repeat(3, minmax(0,1fr)); }
  .harmonyos-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
}
@media (max-width: 900px) {
  .copyright-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
}
@media (max-width: 760px) {
  html { scroll-padding-top: 66px; }
  .site-header { height: 66px; padding: 0 22px; }
  .brand { gap: 10px; min-width: 0; }
  .brand img { width: 120px; }
  .brand-divider { height: 23px; }
  .brand-caption { font-size: 8px; }
  .brand-caption b { font-size: 7px; }
  .menu-toggle { display: flex; flex-direction: column; gap: 6px; align-items: flex-end; border: 0; background: none; padding: 9px 0 9px 9px; z-index: 13; }
  .menu-toggle span { display: block; height: 1px; width: 25px; background: #e4f6f6; transition: transform .2s ease; }
  .menu-toggle span:last-child { width: 17px; }
  .menu-toggle[aria-expanded="true"] span:first-child { transform: translateY(3.5px) rotate(45deg); }.menu-toggle[aria-expanded="true"] span:last-child { width: 25px; transform: translateY(-3.5px) rotate(-45deg); }
  .main-nav { display: flex; position: fixed; z-index: 12; top: 0; right: 0; bottom: 0; width: min(82vw, 360px); flex-direction: column; align-items: stretch; justify-content: center; gap: 0; padding: 40px 35px; background: rgba(6,19,29,.97); backdrop-filter: blur(14px); border-left: 1px solid rgba(103,230,239,.24); transform: translateX(102%); transition: transform .28s ease; }
  .main-nav.is-open { transform: translateX(0); }
  .main-nav > a { padding: 18px 0; border-bottom: 1px solid rgba(225,247,247,.12); font-size: 14px; }
  .main-nav .nav-contact { margin-top: 28px; padding: 14px; border: 1px solid rgba(103,230,239,.58); }
  .hero { height: auto; min-height: 850px; padding: 142px 25px 105px; align-items: flex-start; }
  .hero-backdrop { background-position: 56% center; }
  .hero-content { width: 100%; }
  .eyebrow { font-size: 9px; margin-bottom: 21px; }
  .hero h1 { font-size: clamp(43px, 11vw, 58px); }
  .hero-copy { max-width: 410px; margin: 17px 0 22px; font-size: 18px; line-height: 1.65; }
  .button { min-height: 44px; font-size: 10px; gap: 18px; padding: 0 14px; }
  .hero-actions { gap: 20px; }
  .hero-proof { position: absolute; z-index: 3; left: 25px; right: 25px; bottom: 54px; justify-content: space-between; gap: 9px; margin: 0; }
  .hero-proof strong { font-size: 15px; }.hero-proof strong span { font-size: 10px; }.hero-proof small { max-width: 87px; font-size: 12px; line-height: 1.4; }
  .proof-rule { height: 28px; }
  .hero-visual { top: auto; left: 1%; right: 0; bottom: 180px; width: 98%; height: 260px; opacity: .9; }
  .flight-video-frame { inset: -3% -1% -3% -6%; }
  .flight-video { object-position: 20% center; }
  .telemetry-top { top: 16%; left: 8%; right: auto; bottom: auto; }.telemetry-bottom { left: 4%; bottom: 10%; }.flight-hud { top: 9%; right: 10%; }.visual-coordinate { display: none; }.visual-index { right: 10%; bottom: 4%; }
  .scroll-cue { display: none; }.hero-side-note { bottom: 31px; right: 23px; font-size: 7px; }
  .section-pad { padding: 82px 25px; }
  .intro { grid-template-columns: 1fr; gap: 23px; padding-top: 86px; padding-bottom: 80px; }
  .section-heading h2, .approach-heading h2, .about-detail h2 { font-size: clamp(34px, 9vw, 45px); }
  .intro-copy { padding-top: 0; }.intro-copy p { font-size: 16.5px; line-height: 1.75; }.intro-copy .lead { font-size: 19.5px; line-height: 1.65; }
  .intro-metrics { margin-top: 45px; padding-top: 22px; }.metric { padding-left: 12px; }.metric strong { font-size: clamp(19px, 5vw, 26px); }.metric small { max-width: 92px; font-size: 13.5px; line-height: 1.45; }
  .capabilities { padding-top: 82px; padding-bottom: 88px; }
  .section-topline { display: block; margin-bottom: 32px; }.section-aside { max-width: 450px; margin-top: 20px; font-size: 16.5px; line-height: 1.65; }
  .capability-grid { grid-template-columns: 1fr; gap: 15px; }.card-image { height: 210px; }.card-body { padding: 20px; }.card-body > p { min-height: 0; margin: 13px 0 18px; }.card-title-row h3 { font-size: 17px; }
  .copyright-topline { margin-bottom: 43px; }.copyright-group + .copyright-group { margin-top: 39px; }.copyright-group-heading { margin-bottom: 15px; }.copyright-group-heading h3 { font-size: 20px; }.copyright-grid { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 11px; }.copyright-card { grid-template-columns: 72px minmax(0,1fr); gap: 11px; min-height: 157px; padding: 11px; }.copyright-preview { width: 72px; }.copyright-card-copy > strong { font-size: 13px; }.copyright-number { font-size: 10px; }.copyright-number b { font-size: 10px; }
  .harmonyos-topline { margin-bottom: 40px; }.harmonyos-grid { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 12px; }.harmony-cert-card { grid-template-columns: 82px minmax(0,1fr); gap: 12px; min-height: 170px; padding: 13px; }.harmony-cert-card > img { width: 82px; }.harmony-cert-copy > strong { font-size: 19px; }
  .approach { padding-top: 85px; padding-bottom: 87px; }.approach-inner { display: block; }.approach-heading { margin-bottom: 43px; }.approach-heading > p:not(.eyebrow) { font-size: 16.5px; line-height: 1.65; }.process-step { grid-template-columns: 37px 1fr 23px; gap: 11px; padding: 20px 0; }.process-step h3 { font-size: 14px; }.process-step p { font-size: 13.5px; line-height: 1.6; }.approach-coordinate { right: 24px; bottom: 22px; font-size: 7px; }
  .about-detail { grid-template-columns: 1fr; gap: 48px; padding-top: 85px; padding-bottom: 85px; }.about-stamp { width: 184px; height: 184px; padding-left: 30px; margin-left: 12px; }.about-stamp > span { font-size: 44px; }.about-detail-copy { max-width: none; }.about-lead { font-size: 18px !important; line-height: 1.65; }.about-detail-copy > p:not(.eyebrow) { font-size: 15px; line-height: 1.75; }
  .contact { min-height: auto; display: block; padding-top: 80px; padding-bottom: 80px; }.contact h2 { font-size: clamp(39px, 10vw, 54px); }.contact-content > p:not(.eyebrow) { max-width: 360px; font-size: 16.5px; line-height: 1.65; }.contact-aside { width: 100%; min-width: 0; max-width: 420px; padding-top: 49px; }.contact-phone { font-size: 17px; }.contact-email { font-size: 14px; }.contact-signal { margin-top: 27px; }
  .site-footer { grid-template-columns: 1fr; gap: 17px; padding: 27px 25px; }.footer-brand { flex-wrap: wrap; row-gap: 12px; }.site-footer > p { font-size: 13.5px; }.footer-meta { justify-self: start; align-items: flex-start; flex-direction: row; gap: 24px; margin-top: 4px; }
}
@media (max-width: 360px) {
  .brand img { width: 102px; }.brand-caption { display: none; }.hero { min-height: 820px; }.hero-proof { gap: 7px; }.hero-proof small { max-width: 73px; font-size: 10.5px; }.proof-rule { height: 24px; }.hero-proof strong { font-size: 14px; }
}
@media (max-width: 520px) {
  .copyright-grid { grid-template-columns: 1fr; }
  .copyright-card { grid-template-columns: 88px minmax(0,1fr); min-height: 166px; padding: 13px; }
  .copyright-preview { width: 88px; }
  .copyright-card-copy > strong { font-size: 14px; }
  .copyright-number b { font-size: 11px; }
  .harmonyos-grid { grid-template-columns: 1fr; }
  .harmony-cert-card { grid-template-columns: 96px minmax(0,1fr); min-height: 180px; padding: 15px; }
  .harmony-cert-card > img { width: 96px; }
  .harmony-cert-copy > strong { font-size: 21px; }
  .harmony-cert-badge { font-size: 13px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}