:root {
  --ink: #172323;
  --ink-secondary: #52615f;
  --quiet: #788380;
  --paper: #f6f6f2;
  --border: #dfe4df;
  --accent: #d79141;
  --night: #162727;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
a:focus-visible { outline: 3px solid #b8792c; outline-offset: 5px; border-radius: 5px; }
.skip-link { position: absolute; left: 12px; top: -100px; background: white; z-index: 20; padding: 12px 18px; }
.skip-link:focus { top: 10px; }
.background-grid {
  pointer-events: none;
  position: absolute;
  height: 780px;
  width: 100%;
  top: 0; left: 0;
  opacity: .58;
  background-image: linear-gradient(to right, rgba(39,60,58,.035) 1px, transparent 1px), linear-gradient(to bottom, rgba(39,60,58,.035) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: linear-gradient(to bottom, #000 0%, transparent 92%);
}
.page-shell { position: relative; max-width: 1280px; margin: auto; padding: 0 72px; }
.site-header { height: 106px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--border); }
.brand { display: inline-flex; align-items: center; text-decoration: none; gap: 12px; }
.brand-mark { width: 39px; height: 39px; background: var(--night); color: white; display: grid; place-items: center; border-radius: 10px; }
.brand-mark svg { width: 29px; height: 29px; }
.brand-word { font-size: 24px; letter-spacing: -.045em; font-weight: 850; line-height: 1; }
.brand-period { color: var(--accent); }
.nav { display: flex; align-items: center; gap: 36px; }
.nav a { text-decoration: none; font-size: 13px; letter-spacing: .015em; font-weight: 600; transition: opacity .2s; }
.nav a:hover { opacity: .6; }
.nav .nav-app-link { border: 1px solid #bcc6bf; border-radius: 100px; padding: 11px 18px; white-space: nowrap; }
.nav-app-link span { margin-left: 10px; font-size: 16px; }
.hero { min-height: 674px; display: grid; grid-template-columns: 1.02fr .98fr; gap: 50px; align-items: center; padding: 84px 0 92px; }
.hero-copy { padding-bottom: 4px; position: relative; z-index: 2; }
.eyebrow { display: inline-flex; align-items: center; gap: 12px; color: #526661; font-size: 11px; letter-spacing: .15em; font-weight: 800; }
.eyebrow-line { display: inline-block; width: 28px; height: 2px; background: var(--accent); }
.eyebrow-dot { color: #c2c7c1; }
h1,h2,p { margin-top: 0; }
h1 { font-size: clamp(60px, 6.1vw, 91px); letter-spacing: -.067em; line-height: 1.04; font-weight: 780; margin: 29px 0 30px; }
h1 span:not(.hero-period) { color: #85918a; }
.hero-period { color: var(--accent); }
.hero-description { color: var(--ink-secondary); font-size: 16px; max-width: 440px; line-height: 1.8; margin-bottom: 29px; }
.hero-cta { display: inline-flex; align-items: center; gap: 13px; background: #203631; color: #fff; text-decoration: none; min-height: 58px; padding: 9px 19px 9px 10px; border-radius: 10px; font-size: 14px; font-weight: 710; box-shadow: 0 12px 28px rgba(25,52,42,.12); transition: transform .2s, background .2s, box-shadow .2s; }
.hero-cta:hover { transform: translateY(-2px); background: #2a483f; box-shadow: 0 16px 34px rgba(25,52,42,.16); }
.cta-icon { width: 38px; height: 38px; display: grid; place-items: center; background: rgba(255,255,255,.12); border-radius: 7px; }
.cta-arrow { font-size: 22px; font-weight: 400; margin-left: 14px; }
.cta-caption { font-size: 12px; color: var(--quiet); margin: 13px 0 0 4px; }
.system-area { position: relative; width: 100%; max-width: 495px; justify-self: end; }
.system-card { position: relative; background: #172c2b; border-radius: 18px; overflow: hidden; min-height: 510px; box-shadow: 0 32px 70px rgba(8,31,27,.15); color: #f0f5ee; z-index: 1; }
.system-top { display: flex; align-items: center; justify-content: space-between; padding: 26px 28px; border-bottom: 1px solid rgba(224,239,231,.11); }
.system-label { display: inline-flex; align-items: center; gap: 9px; font-size: 10px; letter-spacing: .16em; font-weight: 800; color: #bfd1c7; }
.system-glint { width: 7px; height: 7px; border-radius: 50%; background: #efb462; box-shadow: 0 0 15px #efb462; }
.system-id { font-size: 10px; letter-spacing: .14em; color: #7e9c8f; }
.system-body { padding: 0 29px 29px; }
.illustration { height: 237px; position: relative; overflow: hidden; display: grid; place-items: center; isolation: isolate; }
.illustration:before { content: ""; position: absolute; width: 255px; height: 255px; border-radius: 50%; background: radial-gradient(circle, rgba(71,126,102,.24), rgba(27,50,45,0) 73%); }
.orbit { position: absolute; border: 1px solid rgba(158,191,166,.16); border-radius: 50%; }
.orbit-one { width: 108px; height: 108px; }
.orbit-two { width: 189px; height: 189px; }
.orbit-three { width: 269px; height: 269px; opacity: .55; }
.diagram-core { width: 71px; height: 71px; display: grid; place-items: center; border-radius: 20px; border: 1px solid rgba(241,197,115,.65); background: linear-gradient(140deg, #455a43, #253e34); box-shadow: 0 0 30px rgba(237,178,88,.13); z-index: 1; transform: rotate(-6deg); }
.diagram-core-inner { font-size: 35px; font-weight: 800; letter-spacing: -.04em; color: #f4b85e; transform: rotate(6deg); }
.diagram-tag { position: absolute; font-size: 9px; letter-spacing: .19em; padding: 9px 13px; border: 1px solid rgba(166,194,170,.26); border-radius: 6px; background: #243a35; color: #deecdc; font-weight: 750; box-shadow: 0 9px 20px rgba(0,0,0,.17); }
.diagram-tag--top { top: 37px; left: 55px; }
.diagram-tag--right { top: 94px; right: 15px; }
.diagram-tag--bottom { bottom: 22px; left: 63px; }
.diagram-node { position: absolute; width: 7px; height: 7px; border-radius: 50%; background: #e4b875; border: 2px solid #172c2b; box-shadow: 0 0 0 2px rgba(241,192,120,.25); }
.diagram-node--one { top: 71px; left: 35%; }
.diagram-node--two { right: 25%; bottom: 52px; }
.diagram-node--three { left: 30%; bottom: 73px; }
.diagram-line { position: absolute; border-top: 1px dashed rgba(204,226,201,.18); width: 380px; transform: rotate(-28deg); }
.diagram-line--two { transform: rotate(32deg); }
.micro-label { color: #d7b57e; font-size: 11px; font-weight: 780; letter-spacing: .16em; }
.system-text h2 { font-size: 30px; letter-spacing: -.04em; font-weight: 700; line-height: 1.17; margin: 9px 0 12px; }
.system-text p { font-size: 13px; color: #acc0b5; margin: 0; line-height: 1.65; }
.system-footer { border-top: 1px solid rgba(224,239,231,.11); display: flex; justify-content: space-between; align-items: center; text-decoration: none; padding: 19px 28px; font-size: 13px; font-weight: 750; }
.system-footer:hover { background: rgba(255,255,255,.04); }
.arrow-round { width: 33px; height: 33px; background: rgba(255,255,255,.11); display: grid; place-items: center; border-radius: 50%; font-size: 20px; font-weight: 400; }
.card-shadow-accent { position: absolute; width: 130px; height: 130px; right: -17px; bottom: -18px; border: 1px solid #cbad80; border-radius: 18px; z-index: 0; }
.info-section,.contact-section { border-top: 1px solid var(--border); padding: 58px 0 63px; display: grid; grid-template-columns: 235px 1fr; gap: 26px; }
.section-index { font-size: 11px; letter-spacing: .11em; font-weight: 750; color: #7d8980; padding-top: 7px; }
.section-index span { color: var(--accent); margin-right: 6px; }
.info-main { max-width: 765px; }
.info-main h2,.contact-content h2 { font-size: 32px; font-weight: 730; letter-spacing: -.05em; line-height: 1.22; margin-bottom: 18px; }
.info-main p { font-size: 15px; line-height: 1.85; color: var(--ink-secondary); max-width: 650px; margin-bottom: 23px; }
.service-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.service-tags span { padding: 9px 14px; border: 1px solid #dce2dd; background: #fafbf8; border-radius: 100px; font-size: 12px; font-weight: 680; color: #43574f; }
.service-tags i { display: inline-block; width: 5px; height: 5px; border-radius: 50%; background: #cc9b55; vertical-align: middle; margin-right: 6px; }
.contact-section { padding-bottom: 75px; }
.contact-content h2 { margin-bottom: 20px; }
.contact-links { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.contact-link,.contact-address { border: 1px solid var(--border); border-radius: 11px; padding: 19px 20px; background: rgba(255,255,255,.38); min-height: 93px; display: grid; grid-template-columns: 1fr auto; align-content: center; column-gap: 10px; text-decoration: none; transition: background .2s, border-color .2s; }
.contact-link:hover { background: white; border-color: #a7b7ad; }
.contact-link span:first-child,.contact-address span { font-size: 11px; color: #7b8981; margin-bottom: 5px; }
.contact-link strong,.contact-address strong { font-size: 15px; font-weight: 700; grid-column: 1; letter-spacing: -.02em; }
.contact-link span:last-child { font-size: 20px; grid-column: 2; grid-row: 1 / 3; align-self: center; color: #6d8a7e; }
.contact-address { grid-column: 1 / -1; }
.site-footer { border-top: 1px solid var(--border); min-height: 111px; display: flex; align-items: center; gap: 22px; flex-wrap: wrap; font-size: 11px; color: #849087; }
.footer-brand { color: #536359; font-weight: 800; letter-spacing: .04em; margin-right: auto; }
.footer-bolt { color: var(--accent); }
.footer-details span { padding: 0 6px; }
@media (max-width: 1110px) {
  .page-shell { padding: 0 42px; }
  .hero { gap: 32px; }
  h1 { font-size: clamp(57px,6.1vw,82px); }
  .system-card { min-height: 495px; }
  .diagram-tag--right { right: 3px; }
}
@media (max-width: 820px) {
  .page-shell { padding: 0 28px; }
  .site-header { height: 90px; }
  .nav { gap: 20px; }
  .nav a { font-size: 12px; }
  .hero { grid-template-columns: 1fr; gap: 44px; padding: 64px 0 80px; }
  .hero-copy { max-width: 620px; }
  h1 { font-size: clamp(62px, 10vw, 85px); }
  .system-area { max-width: 600px; width: 100%; justify-self: center; }
  .system-card { min-height: auto; }
  .info-section,.contact-section { grid-template-columns: 1fr; gap: 20px; padding: 44px 0 55px; }
  .section-index { padding-top: 0; }
  .site-footer { padding: 32px 0; gap: 12px 25px; }
}
@media (max-width: 560px) {
  .page-shell { padding: 0 21px; }
  .site-header { height: 78px; }
  .brand-mark { width: 35px; height: 35px; }
  .brand-word { font-size: 22px; }
  .nav { gap: 0; }
  .nav > a:not(.nav-app-link) { display: none; }
  .nav .nav-app-link { padding: 9px 12px; font-size: 11px; }
  .nav-app-link span { margin-left: 5px; }
  .hero { padding: 58px 0 65px; gap: 41px; }
  .eyebrow { font-size: 9px; gap: 9px; }
  .eyebrow-line { width: 22px; }
  h1 { font-size: clamp(57px, 12vw, 76px); margin: 27px 0; }
  .hero-description { font-size: 14px; line-height: 1.8; }
  .hero-cta { font-size: 13px; }
  .system-card { border-radius: 14px; }
  .system-top { padding: 21px 21px; }
  .system-body { padding: 0 22px 23px; }
  .illustration { height: 219px; }
  .system-text h2 { font-size: 27px; }
  .system-footer { padding: 16px 22px; }
  .diagram-tag { font-size: 8px; padding: 8px 9px; }
  .diagram-tag--top { left: 6px; top: 38px; }
  .diagram-tag--right { right: 0; }
  .diagram-tag--bottom { bottom: 19px; left: 20px; }
  .card-shadow-accent { right: -8px; bottom: -11px; }
  .info-main h2,.contact-content h2 { font-size: 27px; }
  .info-main p { font-size: 14px; }
  .contact-links { grid-template-columns: 1fr; }
  .contact-address { grid-column: auto; }
  .site-footer { display: flex; flex-direction: column; align-items: flex-start; gap: 8px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,*::before,*::after { transition: none !important; }
}