:root {
  --ink: #0c1726;
  --muted: #667487;
  --line: #dfe5ec;
  --surface: #f5f7fa;
  --white: #ffffff;
  --dark: #07111f;
  --dark-2: #0c1a2c;
  --lime: #baff63;
  --cyan: #43d7ff;
  --violet: #8b79ff;
  --radius: 24px;
  --shadow: 0 22px 70px rgba(19, 36, 59, .12);
  --container: min(1180px, calc(100% - 40px));
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}
body.menu-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }
button, input, textarea { font: inherit; }
.container { width: var(--container); margin-inline: auto; }
.section { padding: 120px 0; }
.section-dark { color: var(--white); background: var(--dark); }
.skip-link { position: fixed; left: 12px; top: -100px; z-index: 999; background: var(--lime); color: var(--dark); padding: 10px 14px; border-radius: 8px; }
.skip-link:focus { top: 12px; }

.site-header {
  position: fixed;
  z-index: 50;
  inset: 0 0 auto;
  height: 82px;
  color: var(--white);
  transition: background .3s ease, box-shadow .3s ease, height .3s ease;
}
.site-header.scrolled { height: 70px; background: rgba(7, 17, 31, .88); backdrop-filter: blur(16px); box-shadow: 0 10px 40px rgba(0,0,0,.12); }
.nav-wrap { height: 100%; display: flex; align-items: center; justify-content: space-between; }
.brand { display: inline-flex; align-items: center; gap: 11px; }
.brand-mark { width: 40px; height: 40px; display: grid; place-items: center; border: 1px solid rgba(255,255,255,.18); border-radius: 12px; background: rgba(255,255,255,.07); }
.brand-mark svg { width: 26px; fill: var(--lime); }
.brand strong, .brand small { display: block; }
.brand strong { font-size: 16px; letter-spacing: .08em; }
.brand small { margin-top: 2px; font-size: 9px; letter-spacing: .28em; opacity: .62; }
.site-menu { display: flex; align-items: center; gap: 34px; font-size: 14px; }
.site-menu > a:not(.nav-cta) { opacity: .74; transition: opacity .2s ease; }
.site-menu > a:not(.nav-cta):hover { opacity: 1; }
.nav-cta { padding: 12px 20px; border: 1px solid rgba(255,255,255,.28); border-radius: 999px; transition: background .2s ease, color .2s ease; }
.nav-cta:hover { background: var(--white); color: var(--dark); }
.menu-toggle { display: none; width: 44px; height: 44px; border: 0; border-radius: 12px; background: rgba(255,255,255,.08); color: white; }
.menu-toggle span { display: block; width: 19px; height: 1px; margin: 5px auto; background: currentColor; transition: transform .25s ease, opacity .25s ease; }

.hero { position: relative; min-height: 820px; overflow: hidden; padding: 165px 0 80px; }
.hero::before { content: ""; position: absolute; inset: 0; opacity: .14; background-image: linear-gradient(rgba(255,255,255,.08) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.08) 1px, transparent 1px); background-size: 68px 68px; mask-image: linear-gradient(to bottom, black, transparent 90%); }
.hero-glow { position: absolute; border-radius: 50%; filter: blur(20px); pointer-events: none; }
.hero-glow-one { width: 520px; height: 520px; right: -140px; top: -180px; background: radial-gradient(circle, rgba(67,215,255,.24), rgba(67,215,255,0) 67%); }
.hero-glow-two { width: 430px; height: 430px; left: 42%; bottom: -210px; background: radial-gradient(circle, rgba(139,121,255,.22), rgba(139,121,255,0) 68%); }
.hero-grid { position: relative; z-index: 2; display: grid; grid-template-columns: 1.07fr .93fr; align-items: center; gap: 60px; }
.eyebrow { display: flex; align-items: center; gap: 12px; color: rgba(255,255,255,.6); font-size: 11px; font-weight: 700; letter-spacing: .22em; }
.eyebrow span { width: 34px; height: 1px; background: var(--lime); }
.eyebrow-dark { color: #7a8798; }
.hero h1 { margin: 28px 0 26px; font-size: clamp(54px, 6.2vw, 92px); line-height: 1.04; letter-spacing: -.055em; }
.hero h1 em { color: transparent; font-style: normal; -webkit-text-stroke: 1px rgba(255,255,255,.75); }
.hero-lead { max-width: 650px; color: rgba(255,255,255,.64); font-size: 17px; line-height: 1.9; }
.hero-actions { display: flex; gap: 14px; margin-top: 42px; }
.btn { display: inline-flex; min-height: 52px; align-items: center; justify-content: center; gap: 12px; padding: 0 24px; border-radius: 999px; font-size: 14px; font-weight: 700; transition: transform .2s ease, background .2s ease, color .2s ease; }
.btn:hover { transform: translateY(-2px); }
.btn-primary { color: var(--dark); background: var(--lime); }
.btn-ghost { border: 1px solid rgba(255,255,255,.22); color: var(--white); }
.btn-ghost:hover { background: rgba(255,255,255,.08); }
.hero-meta { display: flex; gap: 54px; margin-top: 64px; }
.hero-meta div { display: flex; flex-direction: column; gap: 7px; }
.hero-meta strong { font-size: 26px; }
.hero-meta span { color: rgba(255,255,255,.48); font-size: 12px; }
.hero-visual { min-height: 520px; display: grid; place-items: center; }
.orbit-card { position: relative; width: min(500px, 100%); aspect-ratio: 1; display: grid; place-items: center; }
.orbit-ring { position: absolute; border: 1px solid rgba(255,255,255,.13); border-radius: 50%; }
.orbit-ring-one { width: 92%; height: 92%; animation: rotate 32s linear infinite; }
.orbit-ring-two { width: 70%; height: 70%; border-style: dashed; animation: rotate-reverse 24s linear infinite; }
.orbit-ring-three { width: 48%; height: 48%; }
.orbit-ring-one::before, .orbit-ring-two::after { content: ""; position: absolute; width: 8px; height: 8px; border-radius: 50%; background: var(--lime); box-shadow: 0 0 24px var(--lime); }
.orbit-ring-one::before { top: 12%; left: 19%; }
.orbit-ring-two::after { right: 2%; bottom: 28%; background: var(--cyan); box-shadow: 0 0 24px var(--cyan); }
.planet { position: relative; width: 170px; aspect-ratio: 1; border-radius: 50%; overflow: hidden; background: radial-gradient(circle at 32% 28%, #9be8ff 0, #276fca 25%, #283d92 55%, #121e49 75%); box-shadow: inset -30px -20px 60px rgba(0,0,0,.4), 0 0 80px rgba(67,215,255,.22); }
.planet::after { content: ""; position: absolute; inset: 0; background: linear-gradient(115deg, rgba(255,255,255,.22), transparent 35%); }
.planet-line { position: absolute; border: 1px solid rgba(255,255,255,.45); border-radius: 50%; }
.line-one { inset: 18% -18%; transform: rotate(15deg); }
.line-two { inset: -20% 23%; }
.line-three { inset: 38% -24%; transform: rotate(-12deg); }
.orbit-dot { position: absolute; width: 12px; height: 12px; border-radius: 50%; background: var(--violet); box-shadow: 0 0 24px rgba(139,121,255,.9); }
.dot-one { right: 7%; top: 47%; }
.dot-two { left: 18%; bottom: 18%; background: var(--cyan); }
.dot-three { left: 23%; top: 10%; width: 7px; height: 7px; background: var(--lime); }
.data-card { position: absolute; min-width: 150px; padding: 16px 18px; border: 1px solid rgba(255,255,255,.14); border-radius: 16px; background: rgba(11,25,43,.72); backdrop-filter: blur(12px); box-shadow: 0 18px 48px rgba(0,0,0,.18); }
.data-card small, .data-card strong { display: block; }
.data-card small { margin-bottom: 8px; color: rgba(255,255,255,.46); font-size: 10px; }
.data-card strong { font-size: 13px; }
.data-card-one { left: 0; top: 30%; }
.data-card-two { right: -4%; bottom: 20%; }
.hero-scroll { position: absolute; z-index: 3; left: 50%; bottom: 30px; display: flex; align-items: center; gap: 12px; transform: translateX(-50%); color: rgba(255,255,255,.35); font-size: 9px; letter-spacing: .2em; }
.hero-scroll span { position: relative; width: 1px; height: 32px; background: rgba(255,255,255,.16); overflow: hidden; }
.hero-scroll span::after { content: ""; position: absolute; inset: 0; background: var(--lime); animation: scroll-line 1.8s ease-in-out infinite; }

.logo-strip { border-bottom: 1px solid var(--line); background: var(--white); }
.logo-strip-inner { min-height: 104px; display: grid; grid-template-columns: repeat(5, 1fr); align-items: center; gap: 28px; color: #a0a9b5; font-size: 12px; font-weight: 700; letter-spacing: .14em; text-align: center; }

.section-heading { max-width: 780px; margin-bottom: 60px; }
.section-heading h2 { margin: 24px 0 18px; font-size: clamp(38px, 4.5vw, 64px); line-height: 1.15; letter-spacing: -.045em; }
.section-heading > p, .split-heading > p { color: var(--muted); font-size: 16px; line-height: 1.9; }
.split-heading { max-width: none; display: grid; grid-template-columns: 1fr .8fr; align-items: end; gap: 70px; }
.split-heading > p { margin: 0 0 8px; }

.about-grid { display: grid; grid-template-columns: 1.2fr .8fr .8fr; gap: 20px; }
.about-main, .about-card { min-height: 330px; border-radius: var(--radius); }
.about-main { position: relative; display: flex; flex-direction: column; justify-content: space-between; padding: 34px; overflow: hidden; color: var(--white); background: linear-gradient(145deg, #12243d, #07111f); }
.about-main::after { content: ""; position: absolute; width: 260px; height: 260px; right: -80px; bottom: -90px; border: 1px solid rgba(255,255,255,.12); border-radius: 50%; box-shadow: 0 0 0 45px rgba(255,255,255,.03), 0 0 0 90px rgba(255,255,255,.025); }
.about-number { color: var(--lime); font-size: 12px; }
.about-main h3, .about-card h3 { margin: 0 0 15px; font-size: 24px; }
.about-main p, .about-card p { margin: 0; line-height: 1.8; }
.about-main p { max-width: 520px; color: rgba(255,255,255,.62); }
.about-card { display: flex; flex-direction: column; padding: 34px; border: 1px solid var(--line); background: var(--surface); }
.about-card > span { color: #8a96a5; font-size: 12px; }
.about-card h3 { margin-top: auto; }
.about-card p { color: var(--muted); }

.services-section { background: var(--surface); }
.services-grid { display: grid; grid-template-columns: repeat(2, 1fr); border-top: 1px solid #cad3df; border-left: 1px solid #cad3df; }
.service-card { position: relative; min-height: 420px; padding: 42px; border-right: 1px solid #cad3df; border-bottom: 1px solid #cad3df; background: rgba(255,255,255,.5); transition: background .25s ease, transform .25s ease; }
.service-card:hover { z-index: 2; background: var(--white); transform: translateY(-4px); box-shadow: var(--shadow); }
.service-card.featured { color: var(--white); background: var(--dark); }
.service-icon { width: 52px; height: 52px; display: grid; place-items: center; margin-bottom: 78px; border: 1px solid currentColor; border-radius: 16px; opacity: .72; }
.service-icon svg { width: 28px; fill: none; stroke: currentColor; stroke-width: 1.5; }
.service-index { position: absolute; top: 44px; right: 42px; color: #9aa5b3; font-size: 12px; }
.service-card h3 { margin: 0 0 15px; font-size: 30px; }
.service-card p { max-width: 470px; color: var(--muted); line-height: 1.8; }
.service-card.featured p { color: rgba(255,255,255,.58); }
.service-card ul { margin: 28px 0 0; padding: 0; list-style: none; display: flex; flex-wrap: wrap; gap: 8px; }
.service-card li { padding: 8px 12px; border: 1px solid var(--line); border-radius: 999px; color: #697688; font-size: 12px; }
.service-card.featured li { border-color: rgba(255,255,255,.16); color: rgba(255,255,255,.62); }

.capability-section { position: relative; overflow: hidden; }
.capability-section::after { content: ""; position: absolute; width: 540px; height: 540px; left: -250px; bottom: -300px; border-radius: 50%; background: radial-gradient(circle, rgba(139,121,255,.2), transparent 65%); }
.capability-grid { position: relative; z-index: 2; display: grid; grid-template-columns: .8fr 1.2fr; gap: 110px; }
.capability-copy { position: sticky; top: 130px; align-self: start; }
.capability-copy h2 { margin: 28px 0 22px; font-size: clamp(40px, 4.4vw, 64px); line-height: 1.16; letter-spacing: -.045em; }
.capability-copy p { max-width: 470px; color: rgba(255,255,255,.55); line-height: 1.9; }
.text-link { display: inline-flex; gap: 18px; margin-top: 26px; padding-bottom: 8px; border-bottom: 1px solid rgba(255,255,255,.24); font-size: 14px; }
.capability-list { border-top: 1px solid rgba(255,255,255,.14); }
.capability-item { display: grid; grid-template-columns: 70px 1fr; gap: 24px; padding: 34px 0; border-bottom: 1px solid rgba(255,255,255,.14); }
.capability-item > span { color: var(--lime); font-size: 12px; }
.capability-item h3 { margin: 0 0 12px; font-size: 26px; }
.capability-item p { margin: 0; color: rgba(255,255,255,.5); line-height: 1.8; }

.cases-grid { display: grid; gap: 34px; }
.case-card { display: grid; grid-template-columns: 1.15fr .85fr; min-height: 430px; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: var(--white); transition: transform .25s ease, box-shadow .25s ease; }
.case-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.case-art { position: relative; min-height: 390px; overflow: hidden; }
.case-a .case-art { background: linear-gradient(135deg, #6226e8, #2cc6f2); }
.case-b .case-art { background: linear-gradient(145deg, #eef5ff, #d6e5ff); }
.shape { position: absolute; display: block; border-radius: 50%; }
.shape-one { width: 280px; height: 280px; left: 10%; top: 16%; background: rgba(255,255,255,.86); }
.shape-two { width: 210px; height: 210px; right: 3%; bottom: -8%; border: 42px solid rgba(186,255,99,.82); }
.shape-three { width: 85px; height: 85px; right: 21%; top: 12%; background: #07111f; }
.case-tag { position: absolute; left: 24px; bottom: 24px; padding: 10px 14px; border-radius: 999px; color: var(--white); background: rgba(7,17,31,.72); backdrop-filter: blur(8px); font-size: 10px; letter-spacing: .16em; }
.case-content { display: flex; flex-direction: column; justify-content: space-between; padding: 42px; }
.case-content small { color: #8591a0; }
.case-content h3 { margin: 14px 0 0; font-size: 34px; line-height: 1.25; }
.case-metrics { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; padding-top: 28px; border-top: 1px solid var(--line); }
.case-metrics span { display: flex; flex-direction: column; gap: 8px; color: #768395; font-size: 12px; }
.case-metrics strong { color: var(--ink); font-size: 28px; }
.dashboard-mock { position: absolute; inset: 14% 10%; border: 1px solid rgba(70,99,139,.2); border-radius: 22px; background: rgba(255,255,255,.78); box-shadow: 0 28px 70px rgba(56,91,138,.22); transform: rotate(-3deg); }
.dash-head { height: 58px; display: flex; gap: 6px; align-items: center; padding: 0 20px; border-bottom: 1px solid #dce6f2; }
.dash-head span { width: 8px; height: 8px; border-radius: 50%; background: #c3d3e8; }
.dash-grid { display: grid; grid-template-columns: 1.2fr .8fr; grid-template-rows: repeat(3, 1fr); gap: 14px; height: calc(100% - 58px); padding: 20px; }
.dash-grid i { border-radius: 12px; background: linear-gradient(145deg, #eaf2ff, #dce8fa); }
.dash-grid i:first-child { grid-row: span 2; background: linear-gradient(160deg, #7b6eff, #53c8ff); }

.stats-section { padding: 52px 0; color: var(--white); background: #0b1a2d; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.stats-grid div { padding: 18px 28px; border-right: 1px solid rgba(255,255,255,.12); }
.stats-grid div:last-child { border-right: 0; }
.stats-grid strong, .stats-grid span { display: block; }
.stats-grid strong { margin-bottom: 8px; font-size: 38px; }
.stats-grid span { color: rgba(255,255,255,.45); font-size: 12px; }

.contact-section { background: var(--surface); }
.contact-card { position: relative; display: grid; grid-template-columns: 1.1fr .9fr; gap: 90px; overflow: hidden; padding: 70px; border-radius: 34px; color: var(--white); background: linear-gradient(135deg, #171b58, #101f38 55%, #0d3f56); }
.contact-card::after { content: ""; position: absolute; width: 420px; height: 420px; right: -180px; top: -210px; border: 1px solid rgba(255,255,255,.12); border-radius: 50%; box-shadow: 0 0 0 60px rgba(255,255,255,.025), 0 0 0 120px rgba(255,255,255,.02); }
.contact-copy, .contact-info { position: relative; z-index: 2; }
.contact-copy h2 { margin: 28px 0 20px; font-size: clamp(44px, 5vw, 72px); line-height: 1.08; letter-spacing: -.05em; }
.contact-copy p { max-width: 520px; color: rgba(255,255,255,.55); line-height: 1.8; }
.contact-info { display: flex; flex-direction: column; justify-content: center; gap: 24px; }
.contact-info > div { padding-bottom: 18px; border-bottom: 1px solid rgba(255,255,255,.13); }
.contact-info small { display: block; margin-bottom: 8px; color: rgba(255,255,255,.4); }
.contact-info a:not(.btn), .contact-info p { margin: 0; font-size: 17px; }
.btn-light { align-self: flex-start; margin-top: 8px; color: var(--dark); background: var(--white); }

.site-footer { padding: 70px 0 24px; color: var(--white); background: #050c15; }
.footer-top { display: flex; align-items: center; justify-content: space-between; padding-bottom: 52px; border-bottom: 1px solid rgba(255,255,255,.12); }
.footer-nav { display: flex; gap: 30px; color: rgba(255,255,255,.52); font-size: 13px; }
.footer-nav a:hover { color: var(--white); }
.footer-bottom { display: flex; justify-content: space-between; padding-top: 24px; color: rgba(255,255,255,.32); font-size: 11px; }

.reveal { opacity: 1; transform: none; }
.js .reveal { opacity: 0; transform: translateY(28px); transition: opacity .7s ease, transform .7s ease; }
.js .reveal.visible { opacity: 1; transform: translateY(0); }
@keyframes rotate { to { transform: rotate(360deg); } }
@keyframes rotate-reverse { to { transform: rotate(-360deg); } }
@keyframes scroll-line { 0% { transform: translateY(-100%); } 50%,100% { transform: translateY(100%); } }

@media (max-width: 980px) {
  :root { --container: min(100% - 32px, 760px); }
  .section { padding: 88px 0; }
  .site-header, .site-header.scrolled { height: 70px; }
  .menu-toggle { display: block; }
  .site-menu { position: fixed; inset: 70px 16px auto; display: flex; flex-direction: column; align-items: stretch; gap: 0; padding: 14px; border: 1px solid rgba(255,255,255,.12); border-radius: 18px; background: rgba(7,17,31,.96); box-shadow: 0 30px 80px rgba(0,0,0,.3); opacity: 0; transform: translateY(-12px); pointer-events: none; transition: opacity .22s ease, transform .22s ease; }
  .site-menu.open { opacity: 1; transform: translateY(0); pointer-events: auto; }
  .site-menu a { padding: 15px 14px; }
  .nav-cta { margin-top: 8px; text-align: center; }
  .menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }
  .hero { min-height: auto; padding: 130px 0 90px; }
  .hero-grid, .split-heading, .capability-grid, .contact-card { grid-template-columns: 1fr; }
  .hero-grid { gap: 28px; }
  .hero h1 { font-size: clamp(52px, 11vw, 82px); }
  .hero-visual { min-height: 460px; }
  .data-card-two { right: 0; }
  .hero-scroll { display: none; }
  .logo-strip-inner { grid-template-columns: repeat(3, 1fr); padding: 22px 0; row-gap: 22px; }
  .split-heading { gap: 24px; }
  .about-grid { grid-template-columns: 1fr 1fr; }
  .about-main { grid-column: span 2; }
  .capability-grid { gap: 56px; }
  .capability-copy { position: static; }
  .case-card { grid-template-columns: 1fr; }
  .case-art { min-height: 360px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid div:nth-child(2) { border-right: 0; }
  .stats-grid div:nth-child(-n+2) { border-bottom: 1px solid rgba(255,255,255,.12); }
  .contact-card { gap: 50px; padding: 52px; }
}

@media (max-width: 640px) {
  :root { --container: calc(100% - 24px); --radius: 18px; }
  .section { padding: 72px 0; }
  .brand strong { font-size: 14px; }
  .hero { padding-top: 118px; }
  .hero h1 { font-size: 48px; }
  .hero-lead { font-size: 15px; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-meta { gap: 0; justify-content: space-between; }
  .hero-meta strong { font-size: 22px; }
  .hero-visual { min-height: 340px; }
  .orbit-card { width: 330px; }
  .planet { width: 120px; }
  .data-card { min-width: 125px; padding: 12px 14px; }
  .data-card-one { left: 0; top: 22%; }
  .data-card-two { right: 0; bottom: 14%; }
  .logo-strip-inner { grid-template-columns: repeat(2, 1fr); font-size: 10px; }
  .section-heading { margin-bottom: 38px; }
  .section-heading h2 { font-size: 40px; }
  .about-grid, .services-grid { grid-template-columns: 1fr; }
  .about-main { grid-column: auto; min-height: 350px; }
  .about-card { min-height: 260px; }
  .services-grid { border-left: 1px solid #cad3df; }
  .service-card { min-height: 390px; padding: 30px; }
  .service-index { top: 32px; right: 30px; }
  .service-icon { margin-bottom: 62px; }
  .service-card h3 { font-size: 26px; }
  .capability-item { grid-template-columns: 44px 1fr; }
  .case-art { min-height: 280px; }
  .case-content { padding: 28px; }
  .case-content h3 { font-size: 27px; }
  .case-metrics strong { font-size: 24px; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .stats-grid div { padding: 18px 12px; }
  .stats-grid strong { font-size: 30px; }
  .contact-card { padding: 34px 24px; border-radius: 24px; }
  .contact-copy h2 { font-size: 43px; }
  .footer-top, .footer-bottom { align-items: flex-start; flex-direction: column; gap: 28px; }
  .footer-nav { flex-wrap: wrap; gap: 18px 24px; }
}

@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; }
}