:root {
  color-scheme: dark;
  --bg: #131c25;
  --text: #f0f5f7;
  --muted: #99a9b5;
  --accent: #80d6d0;
  font-family: "Segoe UI", -apple-system, BlinkMacSystemFont, Arial, sans-serif;
  font-synthesis: none;
}
* { box-sizing: border-box; }
html { min-width: 280px; min-height: 100%; background: var(--bg); }
body.ahb-page {
  margin: 0;
  min-height: 100vh;
  min-height: 100svh;
  display: grid;
  grid-template-rows: auto 1fr auto;
  position: relative;
  isolation: isolate;
  color: var(--text);
  -webkit-font-smoothing: antialiased;
}
body.ahb-page::selection { background: #3a797f; color: #fff; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
a, button { -webkit-tap-highlight-color: transparent; }
a:focus-visible, button:focus-visible { outline: 2px solid var(--accent); outline-offset: 7px; border-radius: 5px; }
[hidden] { display: none !important; }
.ambient, #neural-network, .vignette { position: fixed; inset: 0; width: 100%; height: 100%; pointer-events: none; z-index: -1; }
.ambient {
  background: radial-gradient(ellipse at 50% 46%, #19303a66 0%, transparent 55%),
    radial-gradient(ellipse at 8% 85%, #13333b55 0%, transparent 45%), var(--bg);
}
.vignette { background: radial-gradient(ellipse at center, #131c2530 15%, transparent 62%, #0d151c55 100%); }
.site-header, .site-footer { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.site-header { padding: 35px 48px; }
.site-address { display: inline-flex; align-items: center; gap: 12px; font: 12px/1.5 Consolas, "SFMono-Regular", monospace; letter-spacing: .04em; color: #a0b3be; transition: color .2s; }
.site-address:hover { color: var(--text); }
.site-mark { width: 20px; height: 20px; display: inline-flex; align-items: center; justify-content: center; flex: 0 0 20px; overflow: hidden; }
.site-mark img { display: block; width: 20px; height: 20px; object-fit: contain; }
.header-line { width: 52px; height: 1px; background: #7dbeb240; position: relative; }
.header-line::after { content: ""; position: absolute; right: 0; top: -2px; height: 5px; width: 5px; border: 1px solid #7dbeb270; border-radius: 50%; }
.main-content { display: grid; place-items: center; padding: 42px 24px 62px; }
.identity { width: min(100%, 960px); text-align: center; display: flex; flex-direction: column; align-items: center; }
.logo-frame { margin-bottom: 37px; position: relative; }
.brand-logo { display: block; width: 172px; height: auto; max-height: 90px; object-fit: contain; }
h1 { font-size: clamp(32px, 4.25vw, 58px); line-height: 1.2; font-weight: 600; letter-spacing: -.035em; margin: 0; text-wrap: balance; overflow-wrap: anywhere; text-shadow: 0 2px 30px #102029; }
.role { margin: 18px 0 0; color: var(--accent); font-size: clamp(14px, 1.5vw, 17px); font-weight: 400; letter-spacing: .12em; line-height: 1.65; }
.signal-divider { height: 1px; width: 126px; margin: 32px 0; background: linear-gradient(90deg, transparent, #6eb9b64f, transparent); position: relative; }
.signal-divider i { position: absolute; width: 4px; height: 4px; left: calc(50% - 2px); top: -1.5px; background: #78cbc2; box-shadow: 0 0 12px #55d0c366; transform: rotate(45deg); }
.phone-link { display: flex; align-items: center; gap: 13px; min-height: 52px; padding: 13px 21px; border: 1px solid #7cadb92e; border-radius: 8px; background: #14263090; color: #e0eaee; font-size: 17px; font-variant-numeric: tabular-nums; letter-spacing: .06em; transition: border-color .2s, background .2s, transform .2s, box-shadow .2s; }
.phone-link svg { color: var(--accent); flex-shrink: 0; }
.phone-arrow { font-size: 16px; color: #78959f; margin-left: 8px; }
.phone-link:hover { background: #1a353f; border-color: #7ccbc16e; transform: translateY(-2px); box-shadow: 0 8px 28px #050d1338; }
.company-link { display: flex; flex-direction: column; align-items: center; gap: 9px; padding: 8px 12px; margin-top: 30px; min-height: 44px; max-width: 100%; }
.company-name { color: #b2c0c9; font-size: 14px; line-height: 1.6; letter-spacing: .025em; transition: color .2s; overflow-wrap: anywhere; }
.company-domain { color: #7fb6b7; font: 11px/1.5 Consolas, "SFMono-Regular", monospace; letter-spacing: .05em; overflow-wrap: anywhere; }
.company-domain > span { display: inline-block; margin-left: 5px; transition: transform .2s; }
.company-link:hover .company-name { color: var(--text); }
.company-link:hover .company-domain > span { transform: translate(2px, -2px); }
.site-footer { padding: 24px 48px 29px; color: #8095a2; font: 10px/1.6 Consolas, "SFMono-Regular", monospace; letter-spacing: .04em; }
.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: 1500px) { .site-header { padding: 40px 64px; } .site-footer { padding: 24px 64px 34px; } }
@media (max-width: 600px) {
  .site-header { padding: 27px 25px; }
  .site-address { font-size: 10px; }
  .header-line { width: 32px; }
  .main-content { padding: 32px 22px 42px; }
  .brand-logo { width: 148px; }
  .logo-frame { margin-bottom: 30px; }
  h1 { max-width: 380px; font-size: clamp(30px, 8.5vw, 42px); line-height: 1.24; }
  .role { font-size: 12px; letter-spacing: .075em; margin-top: 15px; }
  .signal-divider { margin: 28px 0; }
  .phone-link { font-size: 15px; padding: 13px 17px; }
  .company-link { margin-top: 24px; }
  .company-name { font-size: 12px; }
  .site-footer { padding: 16px 25px 20px; font-size: 9px; gap: 10px; flex-wrap: wrap; }
}
@media (max-width: 360px) { .site-footer { justify-content: center; } }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}