:root {
  --black: #080808;
  --white: #ffffff;
  --gray: #a3a3a3;
  --dim: #686868;
  --line: #252525;
  --soft-line: #171717;
}

* { box-sizing: border-box; }
html { background: var(--black); scroll-behavior: smooth; }
body {
  margin: 0;
  overflow-x: hidden;
  background: var(--black);
  color: var(--white);
  font-family: "Geist", "Inter", "Noto Sans SC", "Microsoft YaHei", Arial, sans-serif;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}
button, input { font: inherit; }
[hidden] { display: none !important; }
a { color: inherit; }
::selection { color: var(--black); background: var(--white); }

.site-frame { min-height: 100vh; background: var(--black); }
.skip-link { position: fixed; top: -100px; left: 16px; z-index: 100; padding: 12px 16px; background: var(--white); color: var(--black); }
.skip-link:focus { top: 16px; }
.disclaimer { min-height: 26px; display: grid; place-items: center; padding: 6px 18px; border-bottom: 1px solid var(--line); color: var(--dim); font-size: 9px; font-weight: 600; letter-spacing: .2em; text-align: center; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  height: 82px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(22px, 5vw, 76px);
  border-bottom: 1px solid rgba(255,255,255,.1);
  background: rgba(8,8,8,.88);
  backdrop-filter: blur(18px);
}
.brand { display: flex; align-items: center; gap: 14px; text-decoration: none; }
.brand-symbol { width: 38px; height: 38px; display: grid; place-items: center; border: 1px solid #444; font-size: 14px; font-weight: 700; }
.brand-name { display: flex; flex-direction: column; gap: 4px; font-size: 11px; font-weight: 700; letter-spacing: .15em; }
.brand-name small { color: var(--gray); font-size: 9px; font-weight: 500; letter-spacing: .18em; }
.primary-nav { display: flex; align-items: center; gap: clamp(22px, 3vw, 46px); }
.primary-nav a { position: relative; padding: 8px 0; color: var(--gray); font-size: 10px; font-weight: 600; letter-spacing: .2em; text-decoration: none; transition: color .25s ease; }
.primary-nav a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: 2px; height: 1px; background: var(--white); transition: right .25s ease; }
.primary-nav a:hover, .primary-nav a:focus-visible, .primary-nav a[aria-current="page"] { color: var(--white); }
.primary-nav a:hover::after, .primary-nav a:focus-visible::after, .primary-nav a[aria-current="page"]::after { right: 0; }
.menu-toggle { display: none; border: 0; background: none; color: var(--white); cursor: pointer; }

.overline { margin: 0; color: var(--gray); font-size: 10px; font-weight: 700; letter-spacing: .25em; }
.section { padding: clamp(96px, 12vw, 180px) clamp(22px, 8vw, 126px); border-top: 1px solid var(--soft-line); }
.action-button {
  min-height: 56px;
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 36px;
  padding: 0 24px;
  border: 1px solid #525252;
  background: transparent;
  color: var(--white);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .14em;
  text-decoration: none;
  cursor: pointer;
  transition: color .25s ease, background .25s ease, border-color .25s ease, transform .25s ease;
}
.action-button:hover, .action-button:focus-visible { border-color: var(--white); background: var(--white); color: var(--black); transform: translateY(-2px); }
.action-button:disabled { cursor: wait; opacity: .7; transform: none; }
.inline-action { min-width: 230px; }
.inverted { border-color: var(--white); background: var(--white); color: var(--black); }
.text-arrow { display: inline-block; margin-top: 38px; color: var(--white); font-size: 10px; font-weight: 700; letter-spacing: .2em; text-underline-offset: 7px; }

.home-hero { position: relative; min-height: calc(100svh - 108px); display: flex; flex-direction: column; justify-content: center; padding: clamp(76px, 10vw, 130px) clamp(22px, 8vw, 126px) 64px; overflow: hidden; }
.home-hero::before { content: ""; position: absolute; inset: 0; pointer-events: none; background: radial-gradient(circle at 78% 38%, rgba(255,255,255,.055), transparent 29%); }
.home-hero h1, .page-hero h1, .empty-welcome h1, .welcome-copy h1 {
  position: relative;
  z-index: 1;
  margin: 30px 0 46px;
  max-width: 1200px;
  font-size: clamp(66px, 11.5vw, 176px);
  font-weight: 700;
  line-height: .83;
  letter-spacing: -.075em;
}
.home-hero h1 em, .page-hero h1 em { color: var(--gray); font-style: normal; font-weight: 500; }
.hero-signal { position: absolute; right: -2vw; top: 6%; display: flex; flex-direction: column; color: #0d0d0d; font-size: min(38vw, 560px); font-weight: 700; line-height: .58; letter-spacing: -.16em; user-select: none; pointer-events: none; }
.hero-bottom { position: relative; z-index: 2; display: flex; align-items: end; justify-content: space-between; gap: 42px; }
.manifesto { margin: 0 0 10px; font-size: clamp(20px, 2.1vw, 31px); font-weight: 600; letter-spacing: -.03em; }
.hero-bottom span { color: var(--gray); font-size: 13px; }
.scroll-cue { position: absolute; right: clamp(22px, 5vw, 76px); bottom: 20px; display: flex; align-items: center; gap: 12px; color: var(--dim); font-size: 8px; letter-spacing: .2em; }
.scroll-cue i { width: 38px; height: 1px; background: var(--dim); }

.brand-thesis h2, .zero-hierarchy h2, .final-cta h2, .about-statement h2, .join-heading h2 {
  margin: 40px 0;
  max-width: 1200px;
  font-size: clamp(46px, 7.8vw, 118px);
  font-weight: 650;
  line-height: .9;
  letter-spacing: -.065em;
}
.brand-thesis h2 span { color: var(--gray); }
.split-copy { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; max-width: 900px; margin-left: auto; }
.split-copy p { margin: 0; color: var(--gray); font-size: 16px; line-height: 1.8; }
.split-copy p:first-child { color: var(--white); font-size: 22px; }

.pillar-list { padding-top: 0; border-top: 0; }
.pillar-list article { display: grid; grid-template-columns: 60px 120px 1.4fr 1fr; align-items: baseline; gap: 24px; padding: 34px 0; border-top: 1px solid var(--line); }
.pillar-list article > span, .pillar-list small { color: var(--dim); font-size: 9px; letter-spacing: .18em; }
.pillar-list h3 { margin: 0; font-size: clamp(25px, 3vw, 46px); font-weight: 600; letter-spacing: -.04em; }
.pillar-list article p { margin: 0; color: var(--gray); font-size: 14px; line-height: 1.7; }

.zero-hierarchy { min-height: 760px; display: flex; flex-direction: column; justify-content: center; }
.equal-line { display: flex; align-items: center; gap: 20px; margin: 76px 0 22px; color: var(--gray); font-size: 10px; font-weight: 700; letter-spacing: .2em; }
.equal-line i { width: min(18vw, 260px); height: 1px; background: #3d3d3d; }
.zero-hierarchy > p:not(.overline) { max-width: 560px; color: var(--gray); line-height: 1.8; }
.final-cta { background: var(--black); color: var(--white); }
.final-cta .overline { color: var(--gray); }
.final-cta { display: grid; grid-template-columns: 1fr auto; align-items: end; gap: 40px; }
.final-cta h2 { margin-bottom: 0; }

.page-hero { min-height: 72svh; display: flex; flex-direction: column; justify-content: center; padding: clamp(96px, 13vw, 180px) clamp(22px, 8vw, 126px); border-bottom: 1px solid var(--soft-line); }
.page-hero h1 { margin-bottom: 38px; font-size: clamp(58px, 10vw, 150px); }
.page-intro { max-width: 690px; margin: 0; color: var(--gray); font-size: clamp(18px, 2.2vw, 30px); line-height: 1.5; letter-spacing: -.025em; }

.about-statement { display: grid; grid-template-columns: .65fr 1.35fr; gap: 50px; }
.about-statement h2 { grid-column: 2; margin-top: 0; font-size: clamp(40px, 6vw, 88px); }
.about-statement > p:last-child { grid-column: 2; max-width: 720px; margin: 0; color: var(--gray); font-size: 17px; line-height: 1.9; }
.about-principles { padding-top: 0; border-top: 0; }
.about-principles article { display: grid; grid-template-columns: 220px 1fr .6fr; gap: 36px; padding: 48px 0; border-top: 1px solid var(--line); }
.about-principles article > span { color: var(--dim); font-size: 9px; font-weight: 700; letter-spacing: .2em; }
.about-principles h2 { margin: 0; font-size: clamp(28px, 4vw, 56px); line-height: 1.05; letter-spacing: -.045em; }
.about-principles p { margin: 0; color: var(--gray); line-height: 1.8; }
.equality-section { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; }
.equality-section > div { display: flex; justify-content: space-between; padding: 28px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); font-size: 11px; letter-spacing: .18em; }
.equality-section > div + div { margin-left: 34px; }
.equality-section > div span:last-child { color: var(--gray); }
.equality-section p { grid-column: 2 / 4; max-width: 740px; margin: 60px 0 0; color: var(--gray); font-size: 16px; line-height: 1.8; }

.careers-page-hero { min-height: 64svh; }
.career-facts { display: flex; gap: 34px; margin-top: 58px; color: var(--dim); font-size: 9px; font-weight: 700; letter-spacing: .2em; }
.career-facts span { padding-top: 12px; border-top: 1px solid #3a3a3a; }
.join-section { display: grid; grid-template-columns: .8fr 1.2fr; gap: clamp(50px, 8vw, 120px); scroll-margin-top: 80px; }
.join-heading { position: sticky; top: 140px; align-self: start; }
.join-heading h2 { font-size: clamp(42px, 5.5vw, 78px); }
.join-heading > p:last-child { color: var(--gray); }
.join-form { max-width: 780px; }
.field { margin-bottom: 48px; }
.field label, .join-form legend { display: block; margin-bottom: 14px; color: var(--gray); font-size: 9px; font-weight: 700; letter-spacing: .2em; }
.field input { width: 100%; min-height: 58px; padding: 0; border: 0; border-bottom: 1px solid #444; border-radius: 0; outline: 0; background: transparent; color: var(--white); font-size: 20px; transition: border-color .2s ease; }
.field input:focus { border-color: var(--white); }
.field input::placeholder { color: #4c4c4c; }
.join-form fieldset { margin: 0 0 44px; padding: 0; border: 0; }
.role-list { border-top: 1px solid var(--line); }
.role-option { position: relative; min-height: 92px; display: flex; align-items: center; padding: 18px 16px; border-bottom: 1px solid var(--line); color: var(--gray); cursor: pointer; transition: color .2s ease, background .2s ease; }
.role-option input { position: absolute; opacity: 0; pointer-events: none; }
.role-option > span { display: grid; grid-template-columns: minmax(230px, .9fr) minmax(130px, .55fr) 1.3fr; align-items: baseline; gap: 18px; width: calc(100% - 26px); }
.role-option strong { color: inherit; font-size: 14px; font-weight: 600; }
.role-option small { font-size: 11px; }
.role-option em { color: var(--dim); font-size: 11px; font-style: normal; line-height: 1.55; }
.role-option::after { content: ""; width: 6px; height: 6px; margin-left: auto; border: 1px solid #555; border-radius: 50%; }
.role-option:hover, .role-option.selected { color: var(--white); background: #111; }
.role-option.selected::after { border-color: var(--white); background: var(--white); }
.custom-field { margin-top: -12px; }
.vacancy-strip { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px 24px; margin: 0 0 32px; padding: 16px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); color: var(--gray); font-size: 9px; font-weight: 700; letter-spacing: .18em; }
.equal-note { display: grid; grid-template-columns: 130px 1fr; gap: 22px; margin-bottom: 34px; padding: 22px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.equal-note span { font-size: 10px; font-weight: 700; letter-spacing: .18em; }
.equal-note p { margin: 0; color: var(--gray); font-size: 13px; line-height: 1.6; }
.join-form > .action-button { width: 100%; }
.legal-note, .form-error { margin: 16px 0 0; color: var(--dim); font-size: 11px; line-height: 1.6; }
.form-error { color: var(--white); }

.credential-loading { min-height: 70svh; display: grid; place-items: center; color: var(--gray); font-size: 10px; letter-spacing: .2em; }
.empty-welcome { min-height: 76svh; display: flex; flex-direction: column; align-items: flex-start; justify-content: center; padding: 110px clamp(22px, 8vw, 126px); }
.empty-welcome h1 { margin-bottom: 28px; font-size: clamp(58px, 9vw, 132px); }
.empty-welcome > p:not(.overline) { margin: 0 0 38px; color: var(--gray); }
.credential-studio { padding: clamp(76px, 10vw, 130px) clamp(22px, 8vw, 126px) clamp(100px, 12vw, 170px); }
.welcome-copy { min-height: 62svh; display: flex; flex-direction: column; justify-content: center; }
.welcome-copy h1 { margin-bottom: 36px; font-size: clamp(64px, 10.5vw, 158px); }
.welcome-copy > p:not(.overline) { margin: 0; color: var(--gray); font-size: clamp(18px, 2vw, 28px); }
.welcome-copy strong { color: var(--white); }
.welcome-copy small { margin-top: 18px; color: var(--dim); font-size: 10px; }
.credential-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 24px; align-items: start; }
.dark-document { overflow: hidden; border: 1px solid var(--line); background: #0a0a0a; color: var(--white); }
.dark-document header, .dark-document footer { display: flex; align-items: center; gap: 14px; }
.dark-document header b { font-size: 24px; }
.dark-document header > span { display: flex; flex-direction: column; font-size: 9px; font-weight: 700; letter-spacing: .14em; }
.dark-document header small { margin-top: 3px; color: var(--gray); font-size: 7px; }
.dark-document header i { margin-left: auto; color: var(--dim); font-size: 7px; font-style: normal; letter-spacing: .12em; }
.offer-preview { min-height: 760px; display: flex; flex-direction: column; padding: clamp(28px, 4vw, 58px); }
.offer-preview > .offer-body { flex: 1; display: flex; flex-direction: column; justify-content: center; }
.offer-preview > .offer-body > p:first-child { color: var(--gray); font-size: 8px; letter-spacing: .2em; }
.offer-preview h2 { margin: 16px 0 50px; font-size: clamp(72px, 9vw, 130px); line-height: .8; letter-spacing: -.07em; }
.offer-preview .offer-body > span { max-width: 620px; color: var(--gray); font-size: 11px; line-height: 1.6; }
.offer-preview .offer-body > span strong { color: var(--white); font-weight: 600; }
.offer-preview h3 { margin: 10px 0 28px; overflow-wrap: anywhere; font-size: clamp(30px, 4vw, 54px); line-height: 1; letter-spacing: -.04em; }
.offer-preview h4 { margin: 9px 0 24px; overflow-wrap: anywhere; font-size: clamp(22px, 3vw, 38px); line-height: 1.1; letter-spacing: -.035em; }
.offer-preview .offer-body > p:last-child { color: var(--gray); font-size: 11px; }
.dark-document footer { justify-content: space-between; padding-top: 20px; border-top: 1px solid var(--line); color: var(--dim); font-size: 8px; letter-spacing: .12em; }
.dark-document .offer-footer { align-items: end; gap: 24px; }
.offer-footer > div:first-child { display: flex; flex: 1; flex-direction: column; gap: 8px; }
.offer-footer span { display: grid; grid-template-columns: 84px 1fr; gap: 10px; }
.offer-footer span b { color: var(--gray); font-weight: 500; letter-spacing: .04em; }
.offer-footer small { max-width: 440px; margin-top: 5px; color: #555; font-size: 7px; line-height: 1.5; letter-spacing: .06em; }
.offer-qr { flex: 0 0 124px; display: flex; flex-direction: column; align-items: center; gap: 5px; color: var(--white); text-align: center; }
.offer-qr canvas { width: 124px !important; height: 124px !important; background: var(--white); }
.offer-qr b { font-size: 7px; letter-spacing: .16em; }
.offer-qr small { max-width: 124px; margin: 0; overflow-wrap: anywhere; font-size: 5px; }
.badge-preview { aspect-ratio: 1.58; display: flex; flex-direction: column; padding: clamp(24px, 3vw, 40px); }
.badge-preview > div { flex: 1; display: flex; flex-direction: column; justify-content: center; }
.badge-preview h3 { margin: 0 0 12px; overflow-wrap: anywhere; font-size: clamp(28px, 4vw, 48px); line-height: 1; letter-spacing: -.045em; }
.badge-preview div p { margin: 0; color: var(--gray); font-size: clamp(13px, 1.6vw, 20px); }
.download-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 24px; }
.download-actions .action-button { width: 100%; }
.secondary-action { color: var(--gray); }
.download-actions p { grid-column: 1 / -1; margin: 4px 0 0; color: var(--dim); font-size: 10px; }

.site-footer { display: grid; grid-template-columns: 1fr auto; gap: 34px; padding: 64px clamp(22px, 5vw, 76px); border-top: 1px solid var(--line); }
.site-footer > div { display: flex; flex-direction: column; gap: 8px; }
.site-footer strong { font-size: 12px; letter-spacing: .18em; }
.site-footer span, .site-footer small { color: var(--dim); font-size: 9px; letter-spacing: .12em; }
.site-footer nav { display: flex; gap: 28px; }
.site-footer nav a { color: var(--gray); font-size: 10px; text-decoration: none; }
.site-footer > p { grid-column: 1 / -1; margin: 20px 0; font-size: clamp(25px, 3vw, 42px); letter-spacing: -.04em; }
.site-footer > small { grid-column: 1 / -1; }

@keyframes reveal-up { from { opacity: 0; transform: translateY(26px); } to { opacity: 1; transform: translateY(0); } }
.reveal-up { animation: reveal-up .7s cubic-bezier(.2,.8,.2,1) both; }
.delay-1 { animation-delay: .1s; }
.delay-2 { animation-delay: .2s; }

@media (max-width: 900px) {
  .menu-toggle { display: flex; align-items: center; gap: 12px; padding: 12px 0; }
  .menu-toggle span { font-size: 9px; font-weight: 700; letter-spacing: .2em; }
  .menu-toggle i { position: relative; width: 18px; height: 1px; background: var(--white); }
  .primary-nav { position: fixed; inset: 82px 0 auto; min-height: calc(100svh - 82px); display: flex; flex-direction: column; align-items: flex-start; justify-content: center; gap: 10px; padding: 44px 26px; visibility: hidden; opacity: 0; transform: translateY(-12px); background: rgba(8,8,8,.98); pointer-events: none; transition: opacity .25s ease, transform .25s ease, visibility .25s; }
  .primary-nav.is-open { visibility: visible; opacity: 1; transform: translateY(0); pointer-events: auto; }
  .primary-nav a { width: 100%; padding: 14px 0; color: var(--white); font-size: clamp(36px, 10vw, 64px); font-weight: 600; letter-spacing: -.05em; }
  .primary-nav a::after { display: none; }
  .pillar-list article { grid-template-columns: 40px 90px 1fr; }
  .pillar-list article p { grid-column: 3; }
  .about-statement, .join-section { grid-template-columns: 1fr; }
  .about-statement h2, .about-statement > p:last-child { grid-column: 1; }
  .about-principles article { grid-template-columns: 160px 1fr; }
  .about-principles p { grid-column: 2; }
  .join-heading { position: static; }
  .credential-grid { grid-template-columns: 1fr; }
  .badge-preview { max-width: 680px; }
}

@media (max-width: 640px) {
  .disclaimer { min-height: 24px; font-size: 7px; letter-spacing: .14em; }
  .site-header { height: 70px; padding: 0 18px; }
  .brand-symbol { display: none; }
  .brand-name { font-size: 10px; }
  .primary-nav { top: 70px; }
  .home-hero { min-height: calc(100svh - 94px); padding: 74px 20px 80px; }
  .home-hero h1 { margin: 25px 0 42px; font-size: clamp(58px, 20vw, 86px); line-height: .86; }
  .hero-signal { right: -20vw; top: 16%; font-size: 90vw; }
  .hero-bottom { align-items: flex-start; flex-direction: column; }
  .hero-bottom .action-button { width: 100%; }
  .scroll-cue { left: 20px; right: auto; }
  .section { padding: 88px 20px; }
  .brand-thesis h2, .zero-hierarchy h2, .final-cta h2, .about-statement h2, .join-heading h2 { font-size: 45px; line-height: .94; }
  .split-copy { grid-template-columns: 1fr; margin-left: 0; }
  .pillar-list article { grid-template-columns: 36px 1fr; gap: 16px; padding: 28px 0; }
  .pillar-list small { grid-column: 2; grid-row: 1; }
  .pillar-list article > span { grid-row: 1 / 4; }
  .pillar-list h3, .pillar-list article p { grid-column: 2; }
  .pillar-list h3 { font-size: 27px; }
  .equal-line { gap: 10px; margin-top: 54px; }
  .equal-line i { flex: 1; }
  .final-cta { grid-template-columns: 1fr; align-items: start; }
  .final-cta .action-button { width: 100%; }
  .page-hero { min-height: 62svh; padding: 88px 20px; }
  .page-hero h1 { font-size: clamp(54px, 17vw, 78px); line-height: .87; }
  .page-intro { font-size: 18px; }
  .about-principles article { grid-template-columns: 1fr; gap: 18px; }
  .about-principles p { grid-column: 1; }
  .equality-section { grid-template-columns: 1fr; }
  .equality-section > div + div { margin-left: 0; border-top: 0; }
  .equality-section p { grid-column: 1; margin-top: 48px; }
  .career-facts { flex-wrap: wrap; gap: 14px 22px; }
  .join-section { padding-top: 72px; }
  .role-option { min-height: 116px; padding: 18px 12px; }
  .role-option > span { grid-template-columns: 1fr auto; gap: 7px 14px; }
  .role-option em { grid-column: 1 / -1; }
  .equal-note { grid-template-columns: 1fr; }
  .credential-studio { padding: 74px 18px 100px; }
  .welcome-copy { min-height: 55svh; }
  .welcome-copy h1 { font-size: clamp(60px, 18vw, 82px); line-height: .86; }
  .offer-preview { min-height: 620px; padding: 26px; }
  .offer-preview h2 { font-size: 70px; }
  .offer-preview h3 { font-size: 34px; }
  .offer-preview h4 { font-size: 25px; }
  .dark-document .offer-footer { align-items: flex-start; flex-direction: column; }
  .offer-qr { align-self: flex-end; }
  .badge-preview { padding: 22px; }
  .badge-preview header i { max-width: 90px; text-align: right; }
  .download-actions { grid-template-columns: 1fr; }
  .download-actions p { grid-column: 1; }
  .site-footer { grid-template-columns: 1fr; padding: 50px 20px; }
  .site-footer nav { grid-row: auto; flex-wrap: wrap; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}