:root {
  --ink: #071713;
  --ink-2: #0c241e;
  --forest: #123c30;
  --frost: #eff8f2;
  --paper: #f6f8f0;
  --mist: #a7b9ae;
  --line: rgba(221, 246, 231, .18);
  --acid: #caff42;
  --ice: #8cecff;
  --serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", STSong, serif;
  --sans: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
}

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

.sr-only, .skip-link:not(:focus) {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.skip-link:focus {
  position: fixed;
  z-index: 100;
  top: 12px;
  left: 12px;
  padding: 10px 14px;
  background: var(--acid);
  color: var(--ink);
}

.grain {
  position: fixed;
  z-index: 50;
  inset: 0;
  pointer-events: none;
  opacity: .035;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 160 160' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.92' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.8'/%3E%3C/svg%3E");
}

.site-header {
  position: absolute;
  z-index: 30;
  top: 0;
  left: 0;
  width: 100%;
  height: 96px;
  padding: 0 clamp(24px, 5vw, 78px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--frost);
  border-bottom: 1px solid rgba(255,255,255,.1);
}
.brand { display: inline-flex; align-items: center; gap: 13px; }
.brand-mark {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  color: var(--acid);
  border: 1px solid rgba(202,255,66,.38);
  border-radius: 50%;
}
.brand-mark svg { width: 28px; height: 28px; }
.brand-copy { display: grid; gap: 2px; }
.brand-copy strong { font-family: var(--serif); font-size: 16px; letter-spacing: .12em; }
.brand-copy small { font-size: 8px; letter-spacing: .2em; color: rgba(239,248,242,.58); }
.site-nav { display: flex; align-items: center; gap: clamp(24px, 3vw, 48px); font-size: 13px; letter-spacing: .08em; }
.site-nav > a { position: relative; color: rgba(239,248,242,.76); transition: color .25s ease; }
.site-nav > a:not(.nav-cta)::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -8px;
  width: 100%;
  height: 1px;
  background: var(--acid);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform .25s ease;
}
.site-nav > a:hover { color: #fff; }
.site-nav > a:hover::after { transform: scaleX(1); transform-origin: left; }
.nav-cta { padding: 11px 17px; border: 1px solid rgba(239,248,242,.3); border-radius: 999px; }
.nav-cta:hover { background: var(--frost); color: var(--ink) !important; }
.menu-toggle { display: none; }

.hero {
  position: relative;
  min-height: 860px;
  height: 100svh;
  padding: 150px clamp(24px, 7vw, 108px) 72px;
  display: grid;
  grid-template-columns: minmax(0, 1.03fr) minmax(420px, .97fr);
  align-items: center;
  overflow: hidden;
  background:
    radial-gradient(circle at 72% 36%, rgba(40, 119, 94, .5), transparent 34%),
    linear-gradient(126deg, #061611 0%, #09231a 48%, #102e25 100%);
  color: var(--frost);
}
.hero-grid, .contact-grid {
  position: absolute;
  inset: 0;
  opacity: .22;
  background-image:
    linear-gradient(rgba(218,255,231,.13) 1px, transparent 1px),
    linear-gradient(90deg, rgba(218,255,231,.13) 1px, transparent 1px);
  background-size: 76px 76px;
  mask-image: linear-gradient(to bottom, rgba(0,0,0,.9), transparent 88%);
}
.hero::after {
  content: "";
  position: absolute;
  inset: 96px 0 0;
  pointer-events: none;
  border-left: 1px solid rgba(255,255,255,.08);
  border-right: 1px solid rgba(255,255,255,.08);
  margin: 0 4.8vw;
}
.aurora {
  position: absolute;
  border-radius: 50%;
  filter: blur(70px);
  opacity: .32;
  animation: breathe 9s ease-in-out infinite alternate;
}
.aurora-one { width: 470px; height: 230px; right: 9%; top: 9%; background: #65ffd1; transform: rotate(-18deg); }
.aurora-two { width: 340px; height: 250px; right: 26%; bottom: 4%; background: #72b7ff; animation-delay: -4s; }
@keyframes breathe { to { transform: translate3d(28px, 24px, 0) rotate(-8deg) scale(1.12); opacity: .45; } }

.hero-copy { position: relative; z-index: 4; max-width: 720px; padding-right: 32px; }
.eyebrow { display: flex; align-items: center; gap: 10px; margin: 0 0 28px; font-size: 11px; letter-spacing: .24em; color: rgba(239,248,242,.62); }
.eyebrow span { width: 30px; height: 1px; background: var(--acid); }
.hero h1 { margin: 0; font-family: var(--serif); font-weight: 500; font-size: clamp(56px, 7.4vw, 118px); line-height: .98; letter-spacing: -.045em; }
.hero h1 span, .hero h1 em { display: block; }
.hero h1 em { padding-left: clamp(22px, 6vw, 94px); color: var(--acid); font-style: normal; white-space: nowrap; }
.hero-lead { max-width: 560px; margin: 36px 0 0; font-size: clamp(16px, 1.45vw, 21px); line-height: 1.9; color: rgba(239,248,242,.67); }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 42px; }
.button { min-height: 52px; padding: 0 22px; display: inline-flex; align-items: center; justify-content: center; gap: 22px; font-size: 13px; letter-spacing: .06em; border: 1px solid rgba(239,248,242,.24); transition: .28s ease; }
.button-primary { background: var(--acid); border-color: var(--acid); color: var(--ink); }
.button-primary:hover { background: #fff; border-color: #fff; transform: translateY(-3px); }
.button-ghost:hover { border-color: var(--frost); background: rgba(255,255,255,.08); transform: translateY(-3px); }

.hero-visual { position: relative; z-index: 3; height: min(70vh, 690px); min-height: 520px; align-self: center; }
.coordinate { position: absolute; top: 5%; right: 0; display: grid; text-align: right; font-size: 10px; letter-spacing: .22em; color: rgba(239,248,242,.46); }
.coordinate span:first-child { color: var(--acid); font-size: 12px; }
.visual-orbit { position: absolute; border: 1px solid rgba(218,255,231,.16); border-radius: 50%; }
.orbit-a { width: 520px; height: 520px; top: 50%; left: 50%; transform: translate(-48%, -50%); }
.orbit-b { width: 360px; height: 360px; top: 50%; left: 50%; transform: translate(-48%, -50%); border-style: dashed; animation: spin 32s linear infinite; }
@keyframes spin { to { transform: translate(-48%, -50%) rotate(360deg); } }
.mountain { position: absolute; inset: 10% -7% 0 -12%; width: 119%; height: 90%; overflow: visible; }
.mountain path { fill: none; stroke: rgba(228,255,238,.22); stroke-width: 1.2; }
.mountain .ridge { stroke: url(#ridge); stroke-width: 2.4; }
.signal-card { position: absolute; right: 0; bottom: 10%; width: 265px; padding: 18px; display: flex; align-items: center; gap: 13px; background: rgba(4,22,17,.72); border: 1px solid rgba(232,255,241,.16); backdrop-filter: blur(12px); }
.signal-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--acid); box-shadow: 0 0 0 8px rgba(202,255,66,.1), 0 0 24px var(--acid); }
.signal-card div { display: grid; gap: 3px; }
.signal-card small { color: rgba(239,248,242,.55); }
.signal-card strong { font-size: 9px; letter-spacing: .18em; }
.hero-index { position: absolute; z-index: 4; right: 5vw; bottom: 38px; font: 10px/1 var(--sans); letter-spacing: .2em; color: rgba(239,248,242,.42); }

.ticker { overflow: hidden; background: var(--acid); border-bottom: 1px solid rgba(7,23,19,.1); color: var(--ink); }
.ticker-track { width: max-content; display: flex; align-items: center; gap: 34px; padding: 13px 0; animation: ticker 28s linear infinite; }
.ticker span { font-size: 12px; font-weight: 700; letter-spacing: .2em; white-space: nowrap; }
.ticker i { font-style: normal; }
@keyframes ticker { to { transform: translateX(-50%); } }

.section { padding: clamp(88px, 11vw, 168px) clamp(24px, 7vw, 108px); }
.section-label { display: flex; align-items: center; gap: 13px; margin-bottom: 66px; color: #52685f; font-size: 11px; letter-spacing: .25em; text-transform: uppercase; }
.section-label span { display: grid; place-items: center; width: 30px; height: 30px; border: 1px solid #a9b9b0; border-radius: 50%; color: var(--ink); letter-spacing: 0; }
.about { background: var(--paper); }
.about-layout { display: grid; grid-template-columns: minmax(0, .9fr) minmax(380px, 1.1fr); gap: clamp(70px, 10vw, 180px); }
.kicker { margin: 0; font-family: var(--serif); font-size: clamp(38px, 4.2vw, 68px); line-height: 1.3; letter-spacing: -.035em; }
.about-copy > p { margin: 0 0 24px; max-width: 680px; color: #41544c; font-family: var(--serif); font-size: clamp(17px, 1.4vw, 21px); line-height: 2; }
.principles { margin-top: 54px; display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid #bdc9c1; }
.principles div { padding: 22px 14px 0 0; display: grid; gap: 7px; border-right: 1px solid #d6dfd8; }
.principles div + div { padding-left: 18px; }
.principles strong { font-family: var(--serif); font-size: 22px; }
.principles span { color: #71837a; font-size: 12px; }

.services { background: #eaf1e9; }
.section-heading { margin-bottom: 64px; display: grid; grid-template-columns: 1.2fr .8fr; gap: 60px; align-items: end; }
.section-heading h2, .process h2 { margin: 0; font-family: var(--serif); font-weight: 500; font-size: clamp(42px, 5.3vw, 82px); line-height: 1.18; letter-spacing: -.04em; }
.section-heading p { max-width: 460px; margin: 0 0 8px auto; color: #53685e; font-size: 15px; line-height: 1.9; }
.service-grid { display: grid; grid-template-columns: repeat(2, 1fr); border-top: 1px solid #aabbb1; border-left: 1px solid #aabbb1; }
.service-card { position: relative; min-height: 420px; padding: clamp(28px, 4vw, 56px); border-right: 1px solid #aabbb1; border-bottom: 1px solid #aabbb1; transition: background .35s ease, color .35s ease, transform .35s ease; }
.service-card:hover { z-index: 2; background: var(--ink-2); color: var(--frost); transform: translateY(-6px); box-shadow: 0 28px 60px rgba(5,25,19,.16); }
.service-card-accent { background: var(--acid); }
.service-no { font-size: 10px; letter-spacing: .2em; color: #647a6f; }
.service-icon { position: absolute; top: 46px; right: 48px; font-size: 25px; }
.service-card h3 { margin: 110px 0 22px; font-family: var(--serif); font-size: clamp(28px, 2.5vw, 40px); font-weight: 500; }
.service-card p { max-width: 560px; margin: 0; color: #53685e; line-height: 1.9; }
.service-card:hover p, .service-card:hover .service-no { color: rgba(239,248,242,.62); }
.service-card ul { position: absolute; left: clamp(28px, 4vw, 56px); bottom: 38px; display: flex; gap: 10px; margin: 0; padding: 0; list-style: none; }
.service-card li { padding: 6px 10px; border: 1px solid currentColor; border-radius: 99px; font-size: 10px; letter-spacing: .06em; opacity: .72; }

.process { position: relative; overflow: hidden; background: var(--ink); color: var(--frost); }
.process-backdrop { position: absolute; right: -2vw; bottom: -19vw; font-family: var(--serif); font-size: 51vw; line-height: 1; color: rgba(255,255,255,.018); user-select: none; }
.section-label-light { color: rgba(239,248,242,.48); }
.section-label-light span { border-color: rgba(239,248,242,.28); color: var(--acid); }
.process-layout { position: relative; display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(70px, 10vw, 170px); }
.process-intro p { max-width: 430px; margin: 30px 0 0; color: rgba(239,248,242,.56); line-height: 1.9; }
.process-list { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.process-list li { padding: 28px 0; display: grid; grid-template-columns: 70px 1fr; border-bottom: 1px solid var(--line); transition: padding .25s ease; }
.process-list li:hover { padding-left: 14px; }
.process-list > li > span { color: var(--acid); font-size: 11px; letter-spacing: .15em; }
.process-list h3 { margin: -4px 0 8px; font-family: var(--serif); font-size: 25px; font-weight: 500; }
.process-list p { margin: 0; color: rgba(239,248,242,.52); font-size: 13px; line-height: 1.8; }

.manifesto { background: var(--paper); text-align: center; }
.manifesto-line { display: flex; align-items: center; justify-content: center; gap: 26px; color: #61766b; font-size: 11px; letter-spacing: .25em; }
.manifesto-line i { width: clamp(70px, 12vw, 180px); height: 1px; background: #a8bab0; }
.manifesto blockquote { margin: 72px auto; font-family: var(--serif); font-size: clamp(34px, 5.3vw, 82px); line-height: 1.46; letter-spacing: -.04em; }
.manifesto-meta { display: flex; justify-content: space-between; border-top: 1px solid #c7d1cb; padding-top: 18px; color: #71837a; font-size: 9px; letter-spacing: .24em; }

.contact { position: relative; min-height: 600px; padding: clamp(88px, 10vw, 150px) clamp(24px, 7vw, 108px); display: grid; grid-template-columns: 1.2fr .8fr; gap: 10vw; align-items: center; overflow: hidden; background: linear-gradient(135deg, #123c30, #071713); color: var(--frost); }
.contact::before { content: ""; position: absolute; right: -10%; top: -40%; width: 700px; height: 700px; border-radius: 50%; background: radial-gradient(circle, rgba(140,236,255,.18), transparent 65%); }
.contact-copy, .contact-panel { position: relative; z-index: 2; }
.contact h2 { margin: 0; font-family: var(--serif); font-weight: 500; font-size: clamp(45px, 5.8vw, 88px); line-height: 1.2; letter-spacing: -.045em; }
.contact h2 em { color: var(--acid); font-style: normal; }
.contact-copy > p:last-child { max-width: 620px; margin: 34px 0 0; color: rgba(239,248,242,.62); line-height: 1.9; }
.contact-panel { padding: 38px; border: 1px solid rgba(239,248,242,.18); background: rgba(5,21,16,.34); backdrop-filter: blur(10px); }
.contact-panel > div { display: grid; gap: 9px; padding-bottom: 28px; border-bottom: 1px solid rgba(239,248,242,.14); }
.contact-panel small { color: rgba(239,248,242,.5); }
.contact-panel strong { font-family: var(--serif); font-size: 19px; font-weight: 500; }
.copy-domain { width: 100%; margin-top: 26px; padding: 18px 0; display: flex; justify-content: space-between; background: transparent; border: 0; border-bottom: 1px solid rgba(239,248,242,.25); color: var(--frost); cursor: pointer; text-align: left; }
.copy-domain span { color: var(--acid); }
.copy-domain b { font-size: 12px; letter-spacing: .08em; }
.contact-note { margin: 20px 0 0; color: rgba(239,248,242,.42); font-size: 11px; line-height: 1.7; }

.site-footer { padding: 24px clamp(24px, 5vw, 78px); display: grid; grid-template-columns: 1fr 1fr 1fr; align-items: center; background: #03100d; color: rgba(239,248,242,.48); font-size: 9px; letter-spacing: .16em; }
.footer-brand { color: var(--frost); font-family: var(--serif); font-size: 13px; letter-spacing: .08em; }
.site-footer div:nth-child(2) { text-align: center; }
.site-footer a { text-align: right; transition: color .2s ease; }
.site-footer a:hover { color: var(--acid); }

.reveal { opacity: 0; transform: translateY(26px); transition: opacity .8s ease, transform .8s cubic-bezier(.2,.7,.2,1); }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

@media (max-width: 980px) {
  .site-header { height: 78px; }
  .menu-toggle { z-index: 32; width: 42px; height: 42px; padding: 0 10px; display: grid; align-content: center; gap: 7px; background: transparent; border: 1px solid rgba(255,255,255,.18); border-radius: 50%; color: white; }
  .menu-toggle span:not(.sr-only) { width: 100%; height: 1px; background: currentColor; transition: transform .25s ease; }
  .menu-open .menu-toggle span:first-child { transform: translateY(4px) rotate(45deg); }
  .menu-open .menu-toggle span:nth-child(2) { transform: translateY(-4px) rotate(-45deg); }
  .site-nav { position: fixed; z-index: 31; inset: 0; padding: 118px 28px 40px; display: flex; flex-direction: column; align-items: flex-start; justify-content: flex-start; gap: 26px; background: rgba(3,16,13,.98); opacity: 0; visibility: hidden; transform: translateY(-12px); transition: .25s ease; }
  .menu-open .site-nav { opacity: 1; visibility: visible; transform: none; }
  .site-nav a { font-family: var(--serif); font-size: 28px; }
  .nav-cta { margin-top: 18px; font-family: var(--sans) !important; font-size: 14px !important; }
  .hero { min-height: 960px; height: auto; grid-template-columns: 1fr; padding-top: 140px; }
  .hero-copy { padding: 0; }
  .hero-visual { height: 480px; min-height: 0; margin-top: -40px; opacity: .78; }
  .hero h1 em { padding-left: 0; }
  .about-layout, .section-heading, .process-layout, .contact { grid-template-columns: 1fr; }
  .about-layout, .process-layout { gap: 62px; }
  .section-heading { gap: 28px; }
  .section-heading p { margin-left: 0; }
  .contact { gap: 60px; }
}

@media (max-width: 680px) {
  .brand-copy small { display: none; }
  .hero { min-height: 850px; padding-top: 132px; padding-bottom: 38px; }
  .hero h1 { font-size: clamp(48px, 15.5vw, 72px); line-height: 1.08; }
  .hero h1 em { white-space: normal; }
  .hero-lead { font-size: 15px; line-height: 1.8; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-visual { height: 340px; margin-top: -10px; }
  .orbit-a { width: 340px; height: 340px; }
  .orbit-b { width: 230px; height: 230px; }
  .mountain { inset: 0 -26% 0 -25%; width: 150%; height: 100%; }
  .signal-card { bottom: 0; width: 230px; }
  .section-label { margin-bottom: 42px; }
  .principles { grid-template-columns: 1fr; }
  .principles div, .principles div + div { padding: 18px 0; border-right: 0; border-bottom: 1px solid #d6dfd8; }
  .service-grid { grid-template-columns: 1fr; }
  .service-card { min-height: 390px; }
  .manifesto blockquote br { display: none; }
  .manifesto-meta { flex-direction: column; gap: 10px; }
  .contact-panel { padding: 26px; }
  .site-footer { grid-template-columns: 1fr; gap: 12px; text-align: left; }
  .site-footer div:nth-child(2), .site-footer a { text-align: left; }
}

@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; }
}
