:root {
  --ink: #0a0a0a;
  --paper: #f4f4f1;
  --white: #ffffff;
  --muted: #a6a6a0;
  --line: rgba(10, 10, 10, 0.16);
  --lime: #baff2c;
  --blue: #3979ff;
  --cyan: #28d5d0;
  --orange: #ffb000;
  --max: 1240px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}
body.menu-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
img { display: block; max-width: 100%; }

.site-header {
  position: fixed;
  z-index: 50;
  top: 0;
  left: 0;
  width: 100%;
  min-height: 76px;
  padding: 0 clamp(22px, 4vw, 68px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--white);
  border-bottom: 1px solid rgba(255,255,255,.16);
  transition: background-color .25s ease, min-height .25s ease;
}
.site-header.is-scrolled { min-height: 64px; background: rgba(10,10,10,.94); }
.brand { display: flex; align-items: baseline; gap: 12px; font-weight: 800; }
.brand-mark { color: var(--lime); letter-spacing: 0; font-size: 18px; }
.brand-name { font-size: 15px; }
.site-nav { display: flex; align-items: center; gap: clamp(18px, 2.4vw, 38px); font-size: 14px; }
.site-nav a { color: rgba(255,255,255,.72); transition: color .2s ease; }
.site-nav a:hover { color: var(--white); }
.site-nav .nav-funbox { color: var(--ink); background: #ffd600; padding: 12px 16px; font-weight: 800; }
.site-nav .nav-funbox:hover { color: var(--ink); background: #ffe23d; }
.site-nav .nav-contact { color: var(--ink); background: var(--lime); padding: 12px 16px; font-weight: 700; }
.menu-toggle { display: none; width: 42px; height: 42px; border: 0; background: transparent; padding: 10px; }
.menu-toggle span { display: block; height: 1px; background: white; margin: 7px 0; transition: transform .2s ease; }

.hero {
  position: relative;
  min-height: 92svh;
  overflow: hidden;
  display: flex;
  align-items: center;
  color: var(--white);
  background: #080b0d;
  isolation: isolate;
}
.hero-stars { position: absolute; inset: 0; z-index: -3; background: url("./public/assets/p1-img1.jpg") center/cover no-repeat; opacity: .74; }
.hero::after { content: ""; position: absolute; inset: 0; z-index: -1; background: rgba(0,0,0,.28); }
.hero-astronaut { position: absolute; z-index: -2; right: -2vw; bottom: -9vh; width: min(64vw, 920px); height: 90%; object-fit: cover; object-position: 40% center; filter: grayscale(1) contrast(1.08); mix-blend-mode: screen; opacity: .92; }
.hero-content { width: min(760px, 86vw); margin-left: max(calc((100vw - var(--max)) / 2), 5vw); padding-top: 68px; }
.eyebrow, .section-kicker, .panel-label { margin: 0; font-size: 12px; font-weight: 800; letter-spacing: 0; }
.eyebrow { color: var(--lime); }
.hero h1 { margin: 20px 0 0; font-size: clamp(58px, 8.8vw, 132px); line-height: .92; letter-spacing: 0; }
.hero-title { margin: 24px 0 0; color: var(--lime); font-weight: 800; font-size: clamp(23px, 3vw, 42px); }
.hero-copy { margin: 20px 0 0; font-size: clamp(16px, 1.4vw, 21px); line-height: 1.7; color: rgba(255,255,255,.72); }
.hero-actions { display: flex; align-items: center; gap: 28px; margin-top: 34px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 16px; min-height: 48px; padding: 0 20px; font-weight: 800; font-size: 14px; }
.button-primary { color: var(--ink); background: var(--lime); }
.text-link { font-size: 14px; border-bottom: 1px solid rgba(255,255,255,.5); padding-bottom: 5px; }
.hero-index { position: absolute; right: clamp(22px, 4vw, 68px); bottom: 28px; display: flex; gap: 14px; align-items: center; font-size: 11px; color: rgba(255,255,255,.5); writing-mode: vertical-rl; }

.section-wrap { width: min(var(--max), calc(100% - 44px)); margin: 0 auto; }
.section-dark { color: var(--white); background: var(--ink); }
.section-kicker { display: flex; gap: 12px; align-items: center; color: var(--muted); }
.section-kicker span { color: var(--lime); }
.statement { padding: 128px 0; }
.statement-grid { display: grid; grid-template-columns: 160px minmax(0, 1fr) 270px; gap: 36px; align-items: start; }
.statement-copy h2 { margin: 0; font-size: clamp(40px, 4.8vw, 68px); line-height: 1.08; letter-spacing: 0; }
.statement-copy h2 em { color: var(--lime); font-style: normal; }
.statement-copy p { max-width: 720px; margin: 36px 0 0; color: #a9a9a4; line-height: 1.9; font-size: 17px; }
.statement-aside { border-top: 1px solid #333; padding-top: 18px; }
.statement-aside p { color: #777; margin: 0 0 20px; font-size: 13px; }
.statement-aside strong { line-height: 1.8; font-size: 18px; }

.services { padding: 132px 0; }
.section-heading { display: grid; grid-template-columns: 190px 1fr 360px; gap: 48px; align-items: end; margin-bottom: 76px; }
.section-heading h2, .capability-lead h2, .experience-title h2, .contact-title h2 { margin: 0; font-size: clamp(40px, 5vw, 70px); line-height: 1.08; letter-spacing: 0; }
.section-heading > p, .experience-title > p { margin: 0; color: #666; font-size: 16px; line-height: 1.8; }
.service-switcher { display: grid; grid-template-columns: 340px 1fr; border-top: 1px solid var(--ink); border-bottom: 1px solid var(--ink); }
.service-tabs { display: flex; flex-direction: column; border-right: 1px solid var(--ink); }
.service-tab { min-height: 104px; padding: 20px 24px; display: grid; grid-template-columns: 34px 1fr; grid-template-rows: auto auto; text-align: left; border: 0; border-bottom: 1px solid var(--line); background: transparent; cursor: pointer; color: #777; }
.service-tab:last-child { border-bottom: 0; }
.service-tab span { grid-row: 1 / 3; font-size: 12px; }
.service-tab strong { font-size: 19px; color: var(--ink); }
.service-tab small { margin-top: 7px; font-size: 12px; }
.service-tab.is-active { color: var(--ink); background: var(--lime); }
.service-panel { position: relative; min-height: 440px; padding: 52px 48px; display: grid; grid-template-columns: 1.15fr 1fr; gap: 56px; overflow: hidden; }
.panel-label { color: var(--blue); }
.service-panel h3 { max-width: 560px; margin: 18px 0 22px; font-size: clamp(32px, 4vw, 54px); line-height: 1.15; }
.service-panel p:not(.panel-label) { max-width: 520px; color: #62625d; line-height: 1.8; }
.service-panel ul { margin: 40px 0 0; padding: 0; list-style: none; }
.service-panel li { padding: 13px 0; border-bottom: 1px solid var(--line); font-size: 14px; }
.service-panel img { position: absolute; width: 200px; right: 28px; bottom: -28px; opacity: .12; }

.capabilities { padding: 128px 0; }
.capability-lead { display: grid; grid-template-columns: 190px 1fr; gap: 48px; margin-bottom: 78px; }
.capability-lead h2 { max-width: 850px; }
.capability-list { margin-left: 238px; border-top: 1px solid #333; }
.capability { min-height: 150px; display: grid; grid-template-columns: 80px 240px 1fr; gap: 24px; align-items: center; border-bottom: 1px solid #333; }
.capability span { color: var(--lime); font-size: 12px; }
.capability h3 { margin: 0; font-size: 28px; }
.capability p { max-width: 560px; margin: 0; color: #888; line-height: 1.8; }

.process { padding: 128px 0; }
.section-heading.compact { grid-template-columns: 190px 1fr 360px; }
.section-heading.compact h2 { font-size: clamp(40px, 4.3vw, 60px); }
.process-list { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--ink); }
.process-list li { display: grid; grid-template-columns: 190px 1fr; gap: 48px; padding: 35px 0; border-bottom: 1px solid var(--line); }
.process-list > li > span { color: var(--blue); font-size: 13px; font-weight: 800; }
.process-list div { display: grid; grid-template-columns: 300px 1fr; gap: 44px; }
.process-list h3 { margin: 0; font-size: 27px; }
.process-list p { margin: 0; max-width: 620px; color: #666; line-height: 1.8; }

.experience { padding: 132px 0; background: #e9e9e5; }
.experience-grid { display: grid; grid-template-columns: 1fr 1.25fr; gap: 90px; }
.experience-title .section-kicker { margin-bottom: 44px; }
.experience-title > p { margin-top: 30px; max-width: 420px; }
.industry-list { border-top: 1px solid var(--ink); }
.industry-list div { display: grid; grid-template-columns: 46px 1fr 1fr; gap: 20px; align-items: center; min-height: 82px; border-bottom: 1px solid var(--line); }
.industry-list span { color: var(--orange); font-size: 12px; font-weight: 800; }
.industry-list strong { font-size: 17px; }
.industry-list small { color: #777; }

.contact { position: relative; overflow: hidden; padding: 140px 0 100px; min-height: 650px; display: flex; align-items: center; }
.contact-art { position: absolute; right: -5vw; bottom: -20%; width: min(48vw, 700px); opacity: .16; }
.contact-grid { position: relative; display: grid; grid-template-columns: 1.2fr .8fr; gap: 90px; align-items: end; }
.contact-title .section-kicker { margin-bottom: 44px; }
.contact-title h2 { color: var(--lime); }
.contact-info { border-top: 1px solid #333; }
.contact-info > * { min-height: 76px; padding: 15px 0; display: grid; grid-template-columns: 110px 1fr; align-items: center; border-bottom: 1px solid #333; }
.contact-info span { color: #777; font-size: 12px; }
.contact-info strong { font-size: 17px; word-break: break-word; }
.contact-info a:hover strong { color: var(--lime); }

.site-footer { min-height: 84px; padding: 22px clamp(22px, 4vw, 68px); display: grid; grid-template-columns: 1fr auto auto; gap: 40px; align-items: center; color: #bdbdb7; background: var(--ink); border-top: 1px solid #2b2b2b; font-size: 12px; }
.site-footer div { display: flex; gap: 14px; }
.site-footer strong { color: white; }
.site-footer a:hover { color: var(--lime); }

.reveal { opacity: 0; transform: translateY(22px); transition: opacity .65s ease, transform .65s ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

@media (max-width: 960px) {
  .site-header { min-height: 64px; }
  .menu-toggle { display: block; }
  .site-nav { position: fixed; inset: 64px 0 0; display: flex; flex-direction: column; align-items: stretch; justify-content: center; gap: 0; padding: 24px; background: var(--ink); transform: translateX(100%); transition: transform .28s ease; }
  .site-nav.is-open { transform: translateX(0); }
  .site-nav a { padding: 18px 4px; font-size: 23px; border-bottom: 1px solid #2d2d2d; }
  .site-nav .nav-funbox { margin-top: 22px; padding: 18px; text-align: center; }
  .site-nav .nav-contact { margin-top: 8px; padding: 18px; text-align: center; }
  .menu-open .menu-toggle span:first-child { transform: translateY(4px) rotate(45deg); }
  .menu-open .menu-toggle span:last-child { transform: translateY(-4px) rotate(-45deg); }
  .hero-astronaut { right: -40%; width: 120%; opacity: .62; }
  .statement-grid, .section-heading, .section-heading.compact, .capability-lead { grid-template-columns: 1fr; }
  .statement-grid, .section-heading, .capability-lead { gap: 32px; }
  .statement-aside { max-width: 420px; }
  .service-switcher { grid-template-columns: 260px 1fr; }
  .service-panel { grid-template-columns: 1fr; padding: 42px 32px; }
  .capability-list { margin-left: 0; }
  .capability { grid-template-columns: 60px 210px 1fr; }
  .experience-grid { gap: 46px; }
  .contact-grid { grid-template-columns: 1fr; }
  .contact-info { max-width: 620px; }
}

@media (max-width: 680px) {
  .section-wrap { width: min(100% - 36px, var(--max)); }
  .hero { min-height: 92svh; align-items: flex-end; padding-bottom: 86px; }
  .hero-content { width: calc(100% - 36px); margin: 0 auto; padding-top: 100px; }
  .hero-astronaut { right: -82%; bottom: 8%; width: 170%; height: 80%; object-position: left center; opacity: .44; }
  .hero h1 { font-size: clamp(56px, 19vw, 84px); }
  .hero-title { font-size: 23px; }
  .hero-copy { font-size: 15px; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 22px; }
  .hero-index { display: none; }
  .statement, .services, .capabilities, .process, .experience { padding: 92px 0; }
  .statement-copy h2, .section-heading h2, .capability-lead h2, .experience-title h2, .contact-title h2 { font-size: 38px; }
  .statement-copy p { font-size: 15px; }
  .service-switcher { display: block; }
  .service-tabs { display: grid; grid-template-columns: 1fr 1fr; border-right: 0; border-bottom: 1px solid var(--ink); }
  .service-tab { min-height: 122px; grid-template-columns: 26px 1fr; padding: 16px 12px; border-right: 1px solid var(--line); }
  .service-tab strong { font-size: 16px; }
  .service-tab:nth-child(3) { border-bottom: 0; }
  .service-panel { min-height: 510px; padding: 36px 20px; }
  .service-panel h3 { font-size: 31px; }
  .service-panel img { width: 150px; }
  .capability { min-height: 170px; grid-template-columns: 42px 1fr; gap: 12px; padding: 24px 0; }
  .capability h3 { font-size: 22px; }
  .capability p { grid-column: 2; font-size: 14px; }
  .process-list li { grid-template-columns: 42px 1fr; gap: 10px; }
  .process-list div { display: block; }
  .process-list h3 { font-size: 23px; }
  .process-list p { margin-top: 12px; font-size: 14px; }
  .experience-grid { grid-template-columns: 1fr; }
  .industry-list div { grid-template-columns: 36px 1fr; padding: 16px 0; }
  .industry-list small { grid-column: 2; }
  .contact { padding: 100px 0 80px; min-height: 700px; }
  .contact-title h2 { font-size: 34px; }
  .contact-art { width: 90vw; right: -28vw; bottom: 0; }
  .contact-info > * { grid-template-columns: 92px 1fr; }
  .contact-info strong { font-size: 15px; }
  .site-footer { grid-template-columns: 1fr; gap: 14px; padding-top: 28px; padding-bottom: 28px; }
  .site-footer div { flex-direction: column; gap: 5px; }
}

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