:root {
  --navy: #061a42;
  --blue: #0758e8;
  --bright: #1f7cff;
  --cyan: #62d5ff;
  --ink: #10213d;
  --muted: #63718a;
  --line: #dce5f1;
  --ice: #f4f8fd;
  --white: #fff;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--white); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif; -webkit-font-smoothing: antialiased; }
::selection { color: #fff; background: var(--blue); }
a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; }
.container { width: min(1180px, calc(100% - 48px)); margin-inline: auto; }

.site-header { position: fixed; z-index: 30; inset: 0 0 auto; color: #fff; transition: .35s ease; }
.scroll-progress { position: absolute; left: 0; top: 0; width: var(--scroll-progress, 0%); height: 2px; background: linear-gradient(90deg, #54c9ff, #2e76ff); box-shadow: 0 0 12px rgba(72,185,255,.75); transition: width .08s linear; }
.site-header.scrolled { background: rgba(5, 24, 60, .92); box-shadow: 0 8px 30px rgba(0, 12, 36, .16); backdrop-filter: blur(18px); }
.nav-wrap { width: min(1320px, calc(100% - 48px)); height: 88px; margin: auto; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid rgba(255,255,255,.18); }
.site-header.scrolled .nav-wrap { height: 72px; border-color: transparent; }
.brand { display: inline-flex; align-items: center; }
.brand-text { padding-left: 13px; border-left: 3px solid #3c8dff; }
.brand strong { display: block; font-size: 17px; letter-spacing: .16em; }
.brand small { display: block; margin-top: 2px; font-size: 8px; letter-spacing: .18em; opacity: .7; }
nav { display: flex; align-items: center; gap: 30px; font-size: 14px; }
nav a { transition: opacity .2s; }
nav a:hover { opacity: .7; }
nav a.active:not(.nav-cta) { color: #7dc5ff; }
.nav-cta { padding: 11px 20px; border: 1px solid rgba(255,255,255,.55); border-radius: 99px; }
.menu-button { display: none; width: 40px; border: 0; background: none; color: inherit; }
.menu-button span { display: block; height: 2px; margin: 6px 0; background: currentColor; }

.hero { position: relative; min-height: 760px; height: 100svh; overflow: hidden; display: flex; align-items: center; color: #fff; background: var(--navy); }
.hero-image { --shift-x: 0px; --shift-y: 0px; position: absolute; inset: -14px; background: linear-gradient(90deg, rgba(2,17,48,.44), transparent 55%), url("assets/hero-option-4-orbital-hangar.png") center/cover no-repeat; transform: translate3d(var(--shift-x), var(--shift-y), 0) scale(1.025); transition: transform 1.2s cubic-bezier(.2,.7,.2,1); }
.hero::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(2,16,44,.5) 0%, rgba(3,25,66,.15) 48%, rgba(0,16,52,.05)), linear-gradient(0deg, rgba(2,16,44,.5), transparent 38%); }
.hero-grid { position: absolute; z-index: 1; inset: 0; opacity: .08; background-image: linear-gradient(rgba(255,255,255,.6) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.6) 1px, transparent 1px); background-size: 72px 72px; mask-image: linear-gradient(90deg,#000,transparent 65%); }
.hero-content { position: relative; z-index: 2; padding-top: 64px; }
.eyebrow, .kicker { display: flex; align-items: center; gap: 10px; color: #2780ff; font-size: 12px; font-weight: 700; letter-spacing: .18em; }
.eyebrow { color: #b9d7ff; }
.eyebrow span { width: 30px; height: 1px; background: var(--cyan); }
.hero h1 { max-width: 720px; margin: 23px 0 26px; font-size: clamp(58px, 7vw, 96px); line-height: 1.04; letter-spacing: -.05em; font-weight: 600; }
.hero h1 em { color: #64baff; font-style: normal; }
.hero-content > p { width: min(560px, 90%); color: rgba(255,255,255,.74); font-size: 17px; line-height: 1.85; }
.hero-actions { display: flex; gap: 14px; margin-top: 38px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 22px; min-height: 52px; padding: 0 26px; border: 1px solid transparent; border-radius: 4px; font-size: 14px; font-weight: 600; cursor: pointer; transition: .25s ease; }
.button.primary { color: #fff; background: var(--blue); box-shadow: 0 12px 35px rgba(0,87,232,.3); }
.button.primary:hover { background: #1970f3; transform: translateY(-2px); }
.button.ghost { color: #fff; border-color: rgba(255,255,255,.4); background: rgba(255,255,255,.06); backdrop-filter: blur(10px); }
.button.ghost:hover { background: rgba(255,255,255,.14); }
.hero-stat { position: absolute; z-index: 2; right: max(5vw, calc((100vw - 1180px)/2)); bottom: 66px; display: flex; color: #fff; }
.hero-stat div { min-width: 145px; padding-left: 24px; border-left: 1px solid rgba(255,255,255,.25); }
.hero-stat strong, .hero-stat span { display: block; }
.hero-stat strong { font-size: 24px; }
.hero-stat span { margin-top: 5px; color: rgba(255,255,255,.55); font-size: 11px; }
.scroll-cue { position: absolute; z-index: 2; left: 30px; bottom: 48px; display: flex; align-items: center; gap: 12px; color: rgba(255,255,255,.45); font-size: 9px; letter-spacing: .2em; transform: rotate(-90deg); transform-origin: left center; }
.scroll-cue span { width: 45px; height: 1px; background: currentColor; }

.section { padding: 120px 0; }
.section-heading { display: flex; justify-content: space-between; align-items: end; margin-bottom: 54px; }
.section-heading h2, .about-copy h2 { margin: 8px 0 0; font-size: clamp(36px, 4vw, 54px); letter-spacing: -.04em; }
.section-heading p { width: min(480px, 46%); margin: 0; color: var(--muted); line-height: 1.8; }
.service-grid { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.service-card { position: relative; min-height: 410px; padding: 34px 30px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: #fff; overflow: hidden; transition: .3s ease; }
.service-card::before { content: ""; position: absolute; width: 170px; height: 170px; right: -108px; top: -108px; border: 1px solid rgba(7,88,232,.11); border-radius: 50%; box-shadow: 0 0 0 24px rgba(7,88,232,.025); transition: .45s ease; }
.service-card::after { content: ""; position: absolute; inset: auto 0 0; height: 4px; background: var(--blue); transform: scaleX(0); transform-origin: left; transition: .3s ease; }
.service-card:hover { z-index: 2; transform: translateY(-7px); box-shadow: 0 24px 55px rgba(20,55,100,.13); }
.service-card:hover::before { right: -72px; top: -72px; transform: scale(1.18); }
.service-card:hover::after { transform: scaleX(1); }
.service-card.featured { color: #fff; border-color: var(--blue); background: linear-gradient(160deg,#0a66ef,#063cb4); box-shadow: 0 22px 50px rgba(6,84,217,.22); }
.card-number { display: block; text-align: right; color: #b9c5d5; font-size: 11px; }
.featured .card-number { color: rgba(255,255,255,.55); }
.icon-wrap { display: grid; place-items: center; width: 62px; height: 62px; margin: 50px 0 32px; color: var(--blue); background: #edf5ff; border-radius: 50%; }
.icon-wrap svg { width: 33px; fill: none; stroke: currentColor; stroke-width: 1.7; }
.featured .icon-wrap { color: #fff; background: rgba(255,255,255,.14); }
.service-card h3 { margin: 0 0 14px; font-size: 20px; }
.service-card p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.85; }
.featured p { color: rgba(255,255,255,.72); }
.learn-more { position: absolute; left: 30px; bottom: 30px; color: #758299; font-size: 12px; }
.learn-more b { margin-left: 8px; color: var(--blue); }
.featured .learn-more, .featured .learn-more b { color: #fff; }
.supporting-business { display: grid; grid-template-columns: .75fr 1.5fr; gap: 70px; margin-top: 70px; padding: 45px 48px; background: #f3f7fc; border-left: 3px solid var(--blue); scroll-margin-top: 110px; }
.supporting-title h3 { margin: 9px 0 10px; font-size: 28px; }
.supporting-title p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.7; }
.supporting-list { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.supporting-list article { padding-left: 20px; border-left: 1px solid #cfdae9; }
.supporting-list span { color: var(--blue); font-size: 10px; }
.supporting-list h4 { margin: 14px 0 8px; font-size: 16px; }
.supporting-list p { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.7; }

.advantages { position: relative; color: #fff; background: #061d4b; overflow: hidden; }
.advantages::before { content: ""; position: absolute; width: 560px; height: 560px; left: -250px; bottom: -370px; border: 1px solid rgba(61,150,255,.18); border-radius: 50%; box-shadow: 0 0 0 90px rgba(61,150,255,.04), 0 0 0 180px rgba(61,150,255,.025); }
.advantage-layout { position: relative; display: grid; grid-template-columns: .85fr 1.15fr; gap: 110px; }
.kicker.light { color: #79b8ff; }
.advantage-intro h2 { margin: 15px 0 26px; font-size: clamp(40px, 4.5vw, 64px); line-height: 1.25; letter-spacing: -.045em; }
.advantage-intro p { color: rgba(255,255,255,.58); line-height: 1.9; }
.advantage-intro > a { display: inline-block; margin-top: 28px; color: #80c2ff; font-size: 14px; }
.advantage-intro > a span { margin-left: 14px; }
.advantage-list { border-top: 1px solid rgba(255,255,255,.17); }
.advantage-item { display: grid; grid-template-columns: 60px 1fr; gap: 24px; padding: 34px 0; border-bottom: 1px solid rgba(255,255,255,.17); }
.advantage-item > span { color: #56a5ff; font-size: 12px; }
.advantage-item h3 { margin: 0 0 10px; font-size: 20px; }
.advantage-item p { margin: 0; color: rgba(255,255,255,.55); font-size: 14px; line-height: 1.8; }

.about { background: var(--ice); }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 100px; align-items: center; }
.about-visual { position: relative; min-height: 520px; background: radial-gradient(circle at 58% 45%,rgba(50,138,255,.32), transparent 25%), linear-gradient(145deg,#0b316d,#071a3f); overflow: hidden; }
.about-visual::before { content: ""; position: absolute; inset: 0; background-image: linear-gradient(rgba(95,169,255,.09) 1px, transparent 1px), linear-gradient(90deg,rgba(95,169,255,.09) 1px,transparent 1px); background-size: 42px 42px; }
.radar { position: absolute; width: 360px; height: 360px; left: 50%; top: 46%; border: 1px solid rgba(75,169,255,.35); border-radius: 50%; transform: translate(-50%,-50%); box-shadow: inset 0 0 80px rgba(14,107,255,.12); }
.radar::before, .radar::after { content: ""; position: absolute; inset: 50% 0 auto; height: 1px; background: rgba(92,174,255,.25); }
.radar::after { transform: rotate(90deg); }
.radar span { position: absolute; inset: 18%; border: 1px solid rgba(75,169,255,.3); border-radius: 50%; }
.radar i { position: absolute; left: 50%; top: 50%; width: 8px; height: 8px; background: #7fd6ff; border-radius: 50%; box-shadow: 0 0 20px 8px rgba(77,173,255,.6); }
.radar span::after { content: ""; position: absolute; width: 50%; height: 50%; left: 50%; top: 0; border-right: 1px solid rgba(94,199,255,.8); background: conic-gradient(from 0deg at 100% 100%, transparent 0deg, rgba(58,165,255,.2) 55deg, transparent 78deg); transform-origin: 100% 100%; animation: radar-sweep 7s linear infinite; }
.about-badge { position: absolute; left: 30px; right: 30px; bottom: 28px; display: flex; justify-content: space-between; color: #fff; }
.about-badge strong { font-size: 12px; letter-spacing: .2em; }
.about-badge span { color: rgba(255,255,255,.55); font-size: 11px; }
.about-copy .lead { margin: 26px 0 18px; color: var(--ink); font-size: 20px; line-height: 1.75; }
.about-copy > p:not(.lead) { color: var(--muted); line-height: 1.9; }
.value-row { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; margin-top: 42px; padding-top: 28px; border-top: 1px solid #cfdae8; }
.value-row span, .value-row strong { display: block; }
.value-row span { color: var(--blue); font-size: 11px; letter-spacing: .15em; }
.value-row strong { margin-top: 9px; font-size: 14px; }

.contact { position: relative; padding: 95px 0; color: #fff; background: linear-gradient(120deg,#0759e9,#0642bd); overflow: hidden; }
.contact-inner { position: relative; z-index: 2; display: grid; grid-template-columns: 1fr 1fr; gap: 100px; align-items: end; }
.contact h2 { margin: 10px 0 0; font-size: clamp(44px,5vw,70px); line-height: 1.15; letter-spacing: -.05em; }
.contact-copy { padding-bottom: 8px; }
.contact-copy p { width: min(470px,100%); margin: 0 0 27px; color: rgba(255,255,255,.72); line-height: 1.8; }
.contact-phone { display: flex; align-items: center; gap: 18px; width: fit-content; margin: -4px 0 26px; color: #fff; }
.contact-phone small { color: rgba(255,255,255,.55); font-size: 11px; letter-spacing: .12em; }
.contact-phone strong { font-size: 18px; font-weight: 600; letter-spacing: .04em; }
.contact-phone:hover strong { color: #bfe3ff; }
.button.white { color: var(--blue); background: #fff; }
.button.white:hover { transform: translateY(-2px); box-shadow: 0 12px 35px rgba(0,20,80,.2); }
.contact-orbit { position: absolute; width: 620px; height: 620px; right: -170px; top: -270px; border: 1px solid rgba(255,255,255,.15); border-radius: 50%; box-shadow: 0 0 0 90px rgba(255,255,255,.04), 0 0 0 180px rgba(255,255,255,.025); }

@keyframes radar-sweep { to { transform: rotate(360deg); } }
@keyframes orbit-breathe { 50% { opacity: .65; transform: scale(1.035); } }
.contact-orbit { animation: orbit-breathe 8s ease-in-out infinite; }

footer { color: rgba(255,255,255,.68); background: #03132f; }
.footer-main { display: flex; align-items: center; justify-content: space-between; min-height: 150px; }
.footer-meta { display: flex; gap: 50px; font-size: 12px; }
.domain-link { color: #75b8ff; text-transform: uppercase; letter-spacing: .08em; }
.domain-link:hover { color: #fff; }
.footer-bottom { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 24px; padding: 24px 0; border-top: 1px solid rgba(255,255,255,.1); font-size: 11px; }
.footer-bottom > :last-child { justify-self: end; }
.icp-link { color: rgba(255,255,255,.72); }
.icp-link:hover { color: #7ec5ff; }

.reveal { opacity: 0; transform: translateY(24px); transition: opacity .75s ease, transform .75s ease; }
.reveal.visible { opacity: 1; transform: none; }

@media (max-width: 900px) {
  .nav-wrap { height: 72px; }
  .menu-button { display: block; }
  nav { position: absolute; top: 72px; left: 0; right: 0; display: none; flex-direction: column; align-items: stretch; gap: 0; padding: 16px 24px 24px; background: rgba(5,24,60,.97); }
  nav.open { display: flex; }
  nav a { padding: 14px 0; }
  .nav-cta { margin-top: 8px; text-align: center; }
  .hero { min-height: 720px; height: auto; padding: 150px 0 140px; }
  .hero-stat { left: 24px; right: 24px; bottom: 45px; }
  .hero-stat div { flex: 1; min-width: 0; padding-left: 14px; }
  .scroll-cue { display: none; }
  .service-grid { grid-template-columns: repeat(2,1fr); }
  .supporting-business { grid-template-columns: 1fr; gap: 35px; }
  .supporting-list { grid-template-columns: repeat(2, 1fr); }
  .advantage-layout, .about-grid, .contact-inner { grid-template-columns: 1fr; gap: 60px; }
  .about-grid { gap: 50px; }
  .about-visual { min-height: 420px; }
  .footer-meta { flex-direction: column; gap: 8px; }
}

@media (max-width: 600px) {
  .container, .nav-wrap { width: min(100% - 32px, 1180px); }
  .section { padding: 82px 0; }
  .hero h1 { font-size: 54px; }
  .hero-content > p { font-size: 15px; }
  .hero-actions { flex-direction: column; align-items: stretch; width: 100%; }
  .hero-stat strong { font-size: 18px; }
  .hero-stat span { font-size: 9px; }
  .section-heading { align-items: start; flex-direction: column; gap: 20px; }
  .section-heading p { width: 100%; }
  .service-grid { grid-template-columns: 1fr; }
  .supporting-business { margin-top: 40px; padding: 34px 24px; }
  .supporting-list { grid-template-columns: 1fr 1fr; gap: 28px 14px; }
  .service-card { min-height: 350px; }
  .advantage-layout { gap: 50px; }
  .about-visual { min-height: 340px; }
  .radar { width: 270px; height: 270px; }
  .value-row { grid-template-columns: 1fr; }
  .contact { padding: 75px 0; }
  .contact-inner { gap: 40px; }
  .footer-main { align-items: flex-start; flex-direction: column; justify-content: center; gap: 25px; }
  .footer-bottom { grid-template-columns: 1fr; gap: 12px; text-align: center; }
  .footer-bottom > :last-child { justify-self: center; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
  .radar span::after, .contact-orbit { animation: none; }
}