:root {
  --background: #080d13;
  --surface: #0b111a;
  --text: #eff4f7;
  --muted: #9caebb;
  --quiet: #8e9eac;
  --line: #23313f;
  --accent: #b9e6ff;
  color-scheme: dark;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--background); color: var(--text); font-synthesis: none; -webkit-font-smoothing: antialiased;
}
* { box-sizing: border-box; }
body { margin: 0; min-width: 0; }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; color: inherit; cursor: pointer; }
a { color: inherit; text-decoration: none; }
p, h1, h2, ul { margin: 0; }
button:focus-visible, a:focus-visible { outline: 2px solid var(--accent); outline-offset: 6px; }
button:disabled { cursor: default; }
::selection { background: var(--accent); color: #0b1720; }
.container { width: min(1200px, calc(100% - 112px)); margin-inline: auto; }
.site-header { position: relative; z-index: 3; height: 96px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--line); }
.wordmark { display: flex; align-items: baseline; gap: 12px; font-size: 22px; font-weight: 550; letter-spacing: 2px; }
.wordmark-ai { font-size: 13px; font-weight: 400; letter-spacing: 1px; color: var(--accent); }
.header-descriptor { color: var(--quiet); font-size: 11px; letter-spacing: 2.5px; }
.header-link { display: inline-flex; align-items: center; gap: 20px; font-size: 13px; padding-block: 15px; }
.header-link:hover { color: var(--accent); }
.header-link .icon { width: 17px; height: 17px; }
.icon { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.4; stroke-linecap: round; stroke-linejoin: round; flex-shrink: 0; }
.icon-small { width: 17px; height: 17px; }
.hero { position: relative; isolation: isolate; min-height: 726px; overflow: clip; background: radial-gradient(ellipse at 78% 40%, #11233855, transparent 55%); }
.hero::after { content: ""; position: absolute; pointer-events: none; z-index: 1; inset: 0; background: linear-gradient(90deg, #080d13 2%, #080d13f5 28%, #080d1366 47%, transparent 64%), linear-gradient(0deg, #080d13, transparent 25%); }
.hero-copy { position: relative; z-index: 2; width: fit-content; max-width: calc(100% - 112px); margin-left: max(56px, calc((100% - 1200px)/2)); padding-block: 106px 142px; }
.eyebrow { display: flex; align-items: center; gap: 12px; font-size: 10px; letter-spacing: 2.2px; color: #a7c7db; font-weight: 450; line-height: 1.7; }
.eyebrow-line { width: 25px; height: 1px; background: var(--accent); box-shadow: 0 0 12px #a5ddff55; }
h1 { margin-top: 31px; font-size: clamp(62px, 5.7vw, 80px); line-height: 1.22; font-weight: 450; letter-spacing: -.055em; }
h1 span { color: #c6d9e5; }
.hero-description { margin-top: 28px; color: #a5b5c2; font-size: 16px; line-height: 1.95; letter-spacing: .4px; }
.hero-actions { margin-top: 34px; display: flex; align-items: center; gap: 24px; }
.button { position: relative; display: inline-flex; align-items: center; justify-content: center; gap: 24px; min-height: 54px; font-size: 14px; font-weight: 500; border-radius: 40px; border: 1px solid transparent; padding: 15px 25px; white-space: nowrap; transition: background-color .25s, border-color .25s, color .25s, transform .25s, box-shadow .25s; }
.button-primary { background: #e9f3fa; color: #10212c; min-width: 202px; box-shadow: 0 0 0 1px #d5edff0a, 0 10px 35px #6ac4ff08; }
.button-primary:hover { background: #cceaff; box-shadow: 0 0 30px #7fceff16; transform: translateY(-2px); }
.button-secondary { background: transparent; color: #c5d3de; padding-inline: 9px; gap: 12px; min-width: 120px; }
.button-secondary:hover { color: var(--accent); }
.hero-note { color: var(--quiet); font-size: 11px; line-height: 1.8; margin-top: 24px; max-width: 410px; }
.hero-art { position: absolute; inset: 0 -4% 75px 29%; }
.scene-canvas { display: block; width: 100%; height: 100%; cursor: grab; touch-action: pan-y; mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent); }
.scene-canvas:active { cursor: grabbing; }
.scene-canvas:focus-visible { outline: 1px solid #92c8e2; outline-offset: -20px; }
.scene-fallback { position: absolute; left: 15%; right: 15%; top: 48%; text-align: center; color: var(--muted); font-size: 13px; line-height: 1.8; }
.hero-bottom { position: absolute; z-index: 2; bottom: 0; left: 0; right: 0; min-height: 80px; display: flex; align-items: center; justify-content: space-between; border-top: 1px solid var(--line); gap: 24px; }
.service-label { font-size: 13px; color: #bdcbd6; letter-spacing: .6px; }
.service-summary { list-style: none; padding: 0; display: flex; gap: 34px; color: var(--quiet); font-size: 12px; letter-spacing: .7px; }
.service-summary li + li { position: relative; }
.service-summary li + li::before { content: ""; position: absolute; height: 10px; width: 1px; background: #334453; top: 4px; left: -17px; }
.contact-section { background: radial-gradient(ellipse at 72% 70%, #102c3e30, transparent 55%), var(--surface); border-top: 1px solid #172431; border-bottom: 1px solid #172431; }
.contact-layout { padding-block: 84px 86px; display: grid; grid-template-columns: .8fr 1.2fr; column-gap: 100px; align-items: start; }
.contact-intro .eyebrow { color: #8eacbf; }
h2 { font-size: 39px; line-height: 1.4; font-weight: 450; letter-spacing: -.025em; margin-top: 22px; }
.contact-intro > p:last-child { margin-top: 22px; color: var(--muted); font-size: 14px; line-height: 1.9; }
.contact-list { position: relative; border-top: 1px solid #304352; padding-left: 24px; }
.contact-list::before { content: ""; position: absolute; left: 4px; top: 51px; bottom: 51px; width: 1px; background: linear-gradient(#49718b66,#49718b25); }
.contact-row { position: relative; isolation: isolate; width: 100%; min-height: 110px; display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 24px 0 24px 10px; border: 0; border-bottom: 1px solid var(--line); text-align: left; background: transparent; transition: border-color .25s, background-color .25s; }
.contact-row::before { content: ""; position: absolute; left: -23px; top: calc(50% - 3px); width: 7px; height: 7px; border: 1px solid #6a93ad; background: #0d1b27; border-radius: 50%; transition: background-color .3s, box-shadow .3s; }
.contact-row:hover { border-bottom-color: #6f96ac; }
.contact-row:hover::before { background: #a7ddfb; box-shadow: 0 0 14px #96d5ff66; }
.contact-content { display: flex; flex-direction: column; gap: 9px; min-width: 0; }
.contact-channel { display: flex; align-items: center; gap: 8px; color: #92acbf; font-size: 10px; letter-spacing: 1.7px; line-height: 1.4; }
.contact-channel > span { margin-left: 0; letter-spacing: 1px; }
.contact-channel-icon { width: 19px; height: 19px; flex-shrink: 0; fill: none; stroke: currentColor; stroke-width: 1.35; stroke-linecap: round; stroke-linejoin: round; }
.contact-channel-icon circle { fill: currentColor; stroke: none; }
.contact-value { font-size: 22px; font-weight: 400; letter-spacing: -.3px; line-height: 1.4; }
.contact-value-email { font-size: 20px; }
.contact-action { color: #a7bdcd; display: flex; align-items: center; gap: 18px; font-size: 12px; flex-shrink: 0; }
.contact-action .icon { width: 17px; height: 17px; }
.copy-check { display: none; }
[data-copy-state="success"] { color: #c8eeff; }
[data-copy-state="success"] .copy-icon { display: none; }
[data-copy-state="success"] .copy-check { display: block; }
.contact-row[data-copy-state="success"] { border-bottom-color: #9edafb; background: linear-gradient(90deg,#7ecaff09,transparent); }
.contact-row[data-copy-state="success"]::before { background: #d4f3ff; box-shadow: 0 0 15px #9cdcff88; }
.contact-row[data-copy-state="success"]::after { content: ""; position: absolute; inset: auto 0 -1px; height: 1px; background: linear-gradient(90deg,transparent,#d7f3ff,transparent); transform-origin: left; animation: copy-connection .65s ease-out both; pointer-events: none; }
.button-secondary[data-copy-state="success"] { border-color: #729db8; box-shadow: 0 0 22px #93d6ff10; }
@keyframes copy-connection { from { transform: scaleX(.04); opacity: 0; } 35% { opacity: 1; } to { transform: scaleX(1); opacity: 0; } }
.site-footer { display: flex; min-height: 88px; align-items: center; justify-content: space-between; gap: 24px; font-size: 11px; color: var(--quiet); }
.footer-signature { color: #a7c5d8; font-size: 10px; letter-spacing: 2.5px; }
.toast { position: fixed; z-index: 10; bottom: 28px; left: 50%; transform: translateX(-50%); max-width: calc(100% - 32px); width: max-content; padding: 14px 22px; border: 1px solid #527b94; border-radius: 10px; background: #122633; color: #e2f6ff; box-shadow: 0 12px 50px #0006; font-size: 13px; line-height: 1.7; }
.toast[hidden] { display: none; }
.noscript-note { margin: 20px; text-align: center; font-size: 13px; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
@media (min-width: 1600px) { .hero-art { right: max(0px, calc((100% - 1600px)/2)); left: max(400px, calc((100% - 1200px)/2 + 290px)); } }
@media (max-width: 1100px) and (min-width: 901px) {
  .container { width: calc(100% - 80px); }
  .hero-copy { margin-left: 40px; max-width: calc(100% - 80px); }
  h1 { font-size: 66px; }
  .hero-art { left: 34%; right: -13%; }
  .contact-layout { column-gap: 60px; }
  .contact-value-email { font-size: 17px; }
}
@media (max-width: 900px) {
  .container { width: calc(100% - 48px); }
  .site-header { height: 82px; }
  .wordmark { font-size: 20px; }
  .header-descriptor { display: none; }
  .hero { min-height: 0; }
  .hero::after { display: none; }
  .hero-copy { width: auto; max-width: none; margin-inline: 24px; padding-block: 58px 0; }
  .eyebrow { font-size: 10px; letter-spacing: 1.5px; }
  h1 { font-size: clamp(48px, 8.5vw, 70px); margin-top: 24px; line-height: 1.24; }
  .hero-description { font-size: 15px; margin-top: 25px; }
  .hero-actions { margin-top: 28px; gap: 15px; }
  .button { font-size: 13px; padding-inline: 20px; gap: 18px; }
  .button-primary { min-width: 190px; }
  .button-secondary { min-width: 113px; padding-inline: 7px; gap: 10px; }
  .hero-note { margin-top: 19px; font-size: 11px; max-width: 360px; }
  .hero-art { position: relative; inset: auto; height: clamp(350px, 90vw, 460px); margin-top: -7px; }
  .scene-canvas { mask-image: linear-gradient(0deg,transparent,#000 13%,#000 85%,transparent); }
  .hero-bottom { position: relative; min-height: 90px; margin-top: 15px; padding-block: 23px; gap: 18px; align-items: flex-start; flex-direction: column; }
  .service-label, .service-summary { font-size: 11px; }
  .service-summary { gap: 28px; }
  .service-summary li + li::before { left: -14px; top: 3px; }
  .contact-layout { padding-block: 54px 56px; grid-template-columns: 1fr; gap: 35px; }
  h2 { font-size: 33px; line-height: 1.4; margin-top: 18px; }
  .contact-intro > p:last-child { margin-top: 18px; font-size: 13px; }
  .contact-list { padding-left: 19px; }
  .contact-row { gap: 10px; padding-left: 5px; }
  .contact-row::before { left: -18px; }
  .contact-value { font-size: 21px; }
  .contact-value-email { font-size: 16px; }
  .contact-action { gap: 10px; font-size: 11px; }
  .contact-channel { font-size: 9px; }
  .site-footer { flex-wrap: wrap; gap: 12px; padding-block: 25px; font-size: 10px; }
  .site-footer > p:nth-child(2) { display: none; }
}
@media (max-width: 370px) {
  .container { width: calc(100% - 36px); }
  .hero-copy { margin-inline: 18px; }
  h1 { font-size: clamp(43px, 12.5vw, 48px); }
  .hero-actions { gap: 7px; }
  .button { font-size: 12px; padding-inline: 17px; }
  .button-primary { min-width: 158px; }
  .button-secondary { min-width: 99px; padding-inline: 3px; gap: 8px; }
  .contact-value-email { font-size: 14px; }
  .contact-action { font-size: 10px; gap: 7px; }
}
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { transition: none !important; animation: none !important; } }