:root {
  --ink: #111820;
  --coal: #171f28;
  --panel: #1c252f;
  --line: #33404d;
  --paper: #f3f5f6;
  --white: #ffffff;
  --steel: #aeb7c1;
  --muted: #67727e;
  --yellow: #f4c430;
  --yellow-soft: #fff3be;
  --green: #66c28a;
  --blue: #77aee8;
  --radius: 4px;
  --shadow: 0 26px 70px rgba(0,0,0,.22);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; font-size: 16px; line-height: 1.58; }
a { color: inherit; }
button { font: inherit; }
.shell { width: min(1180px, calc(100% - 48px)); margin-inline: auto; }
.site-header { min-height: 78px; display: flex; align-items: center; gap: 34px; padding: 12px max(24px, calc((100vw - 1180px) / 2)); color: var(--white); background: rgba(13,18,24,.96); border-bottom: 1px solid #313b46; position: sticky; top: 0; z-index: 50; backdrop-filter: blur(12px); }
.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; }
.dcos-mark { width: 40px; height: 40px; display: block; flex: 0 0 auto; }
.dcos-mark-primary { fill: var(--yellow); }
.dcos-mark-secondary { fill: #f4f6f8; }
.brand-copy { display: grid; line-height: 1.04; text-transform: uppercase; letter-spacing: .08em; }
.brand-copy strong { font-size: 17px; letter-spacing: .15em; }
.brand-copy span { margin-top: 4px; color: var(--steel); font-size: 10px; font-weight: 800; letter-spacing: .17em; }
.desktop-nav { display: flex; align-items: center; gap: 28px; margin-left: auto; }
.desktop-nav a { color: #b8c0c9; font-size: 13px; font-weight: 760; text-decoration: none; }
.desktop-nav a:hover { color: var(--white); }
.mobile-toggle { display: none; margin-left: auto; width: 42px; height: 42px; color: var(--white); background: transparent; border: 1px solid #46515d; cursor: pointer; }
.button { min-height: 46px; display: inline-flex; align-items: center; justify-content: center; gap: 11px; padding: 0 20px; border: 1px solid transparent; border-radius: var(--radius); font-size: 14px; font-weight: 820; text-decoration: none; transition: .18s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: var(--ink); background: var(--yellow); box-shadow: 0 10px 28px rgba(244,196,48,.18); }
.button-primary:hover { background: #ffd553; }
.button-outline { color: var(--white); background: #1a222b; border-color: #4a5561; }
.button-outline:hover { border-color: var(--yellow); }
.button-dark { color: var(--white); background: var(--ink); }
.button-light { color: var(--ink); background: var(--white); border-color: var(--ink); }
.button-muted { color: #5d6873; background: #e8ebed; border-color: #d9dee2; cursor: default; }
.button-muted:hover { transform: none; }
.hero { color: var(--white); background: radial-gradient(circle at 78% 20%, rgba(244,196,48,.12), transparent 27rem), #10161d; overflow: hidden; }
.hero-inner { min-height: 660px; display: grid; grid-template-columns: 1.05fr .95fr; align-items: center; gap: 76px; padding-block: 84px 96px; }
.eyebrow, .kicker { margin: 0 0 17px; color: var(--yellow); font-size: 11px; font-weight: 900; letter-spacing: .19em; text-transform: uppercase; }
h1, h2, h3, p { overflow-wrap: break-word; }
h1, h2, h3 { margin-top: 0; letter-spacing: -.035em; line-height: 1.05; }
h1 { max-width: 720px; margin-bottom: 25px; font-size: clamp(3.25rem, 6.5vw, 6rem); }
h1 em { color: var(--yellow); font-style: normal; }
h2 { margin-bottom: 18px; font-size: clamp(2.2rem, 4vw, 4rem); }
h3 { font-size: 1.45rem; }
.hero-copy > p:not(.eyebrow) { max-width: 650px; margin: 0; color: #b9c1ca; font-size: 19px; }
.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 14px; margin-top: 34px; }
.hero-note { display: flex; flex-wrap: wrap; gap: 10px 24px; margin-top: 30px; color: #98a3ae; font-size: 12px; font-weight: 700; }
.hero-note span::before { content: ""; display: inline-block; width: 6px; height: 6px; margin-right: 9px; background: var(--yellow); }
.system-board { position: relative; padding: 24px; background: #171f28; border: 1px solid #35404b; box-shadow: var(--shadow); }
.system-board::before { content: ""; position: absolute; inset: -42px -70px; opacity: .15; z-index: -1; background-image: linear-gradient(rgba(255,255,255,.18) 1px, transparent 1px), linear-gradient(90deg,rgba(255,255,255,.18) 1px,transparent 1px); background-size: 36px 36px; mask-image: radial-gradient(circle, #000, transparent 72%); }
.board-head { display: flex; justify-content: space-between; gap: 24px; padding-bottom: 18px; border-bottom: 1px solid #394652; }
.board-head strong { letter-spacing: .08em; }
.board-head span { color: var(--green); font-size: 11px; font-weight: 850; letter-spacing: .12em; text-transform: uppercase; }
.board-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; margin-top: 1px; background: #394652; }
.board-item { min-height: 106px; padding: 17px; background: #1a232d; }
.board-item small { display: block; color: #8995a1; font-size: 9px; font-weight: 850; letter-spacing: .14em; text-transform: uppercase; }
.board-item b { display: block; margin-top: 10px; font-size: 15px; }
.board-item.live b { color: var(--yellow); }
.board-foot { display: flex; justify-content: space-between; gap: 20px; margin-top: 18px; color: #8f9aa5; font-size: 10px; letter-spacing: .12em; text-transform: uppercase; }
.trust-strip { padding-block: 20px; background: var(--yellow); }
.trust-inner { display: flex; justify-content: space-between; gap: 28px; color: var(--ink); font-size: 12px; font-weight: 850; letter-spacing: .1em; text-transform: uppercase; }
.section { padding-block: 100px; }
.section-dark { color: var(--white); background: #121920; }
.section-lead { display: grid; grid-template-columns: .95fr 1.05fr; gap: 80px; align-items: end; margin-bottom: 48px; }
.section-lead p:last-child { margin: 0; color: var(--muted); font-size: 17px; }
.section-dark .section-lead p:last-child { color: #abb4bd; }
.module-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.module-card { min-height: 330px; display: flex; flex-direction: column; padding: 28px; background: var(--white); border: 1px solid #d8dde1; border-top: 5px solid var(--ink); text-decoration: none; transition: .2s ease; }
.module-card:hover { transform: translateY(-4px); border-top-color: var(--yellow); box-shadow: 0 20px 50px rgba(13,22,31,.09); }
.module-card.live { border-top-color: var(--yellow); }
.module-index { color: #9aa3ac; font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 11px; font-weight: 800; }
.status-pill { align-self: flex-start; margin: 20px 0; padding: 5px 9px; color: #59636d; background: #eef0f2; border: 1px solid #d9dde1; font-size: 9px; font-weight: 900; letter-spacing: .13em; text-transform: uppercase; }
.status-pill.live { color: #125b37; background: #dff5e8; border-color: #b9e1c9; }
.status-pill.build { color: #6c5000; background: var(--yellow-soft); border-color: #efd66e; }
.module-card h3 { margin-bottom: 12px; font-size: 1.7rem; }
.module-card p { margin: 0; color: var(--muted); }
.card-link { margin-top: auto; padding-top: 28px; font-size: 13px; font-weight: 850; }
.services-callout { display: grid; grid-template-columns: .72fr 1.55fr auto; align-items: center; gap: 42px; margin-top: 22px; padding: 34px; color: var(--white); background: var(--ink); border-left: 6px solid var(--yellow); box-shadow: 0 18px 42px rgba(13,22,31,.12); }
.services-label { display: grid; gap: 8px; padding-right: 34px; border-right: 1px solid var(--line); }
.services-label span { color: var(--yellow); font-size: 10px; font-weight: 900; letter-spacing: .15em; text-transform: uppercase; }
.services-label strong { font-size: 1.05rem; line-height: 1.25; }
.services-copy .kicker { margin-bottom: 10px; }
.services-copy h3 { max-width: 670px; margin-bottom: 12px; font-size: clamp(1.45rem, 2.2vw, 2rem); line-height: 1.15; }
.services-copy > p:last-child { max-width: 720px; margin: 0; color: #abb5bf; }
.how-grid { display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid var(--line); }
.how-card { min-height: 250px; padding: 34px; border-right: 1px solid var(--line); }
.how-card:last-child { border-right: 0; }
.how-card span { display: block; color: var(--yellow); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 13px; }
.how-card h3 { margin: 32px 0 12px; }
.how-card p { margin: 0; color: #aeb7c0; }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 84px; align-items: center; }
.split p { color: var(--muted); }
.detail-list { margin: 30px 0 0; padding: 0; list-style: none; border-top: 1px solid #d5dadd; }
.detail-list li { display: grid; grid-template-columns: 34px 1fr; gap: 14px; padding: 18px 0; border-bottom: 1px solid #d5dadd; }
.detail-list b { color: #b48800; }
.statement-card { padding: 38px; color: var(--white); background: var(--ink); box-shadow: var(--shadow); }
.statement-card p { color: #bac2ca; }
.statement-card strong { color: var(--yellow); }
.cta { padding-block: 76px; color: var(--ink); background: var(--yellow); }
.cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 48px; }
.cta h2 { max-width: 650px; margin: 0; font-size: clamp(2rem, 4.2vw, 3.8rem); }
.cta-actions { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 10px; }
.site-footer { padding-block: 48px 30px; color: var(--white); background: #0c1117; border-top: 1px solid #303943; }
.footer-main { display: grid; grid-template-columns: 1.1fr 2fr; gap: 80px; padding-bottom: 38px; }
.footer-copy { max-width: 430px; margin-top: 20px; color: #949faa; font-size: 13px; }
.footer-links { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; }
.footer-links h4 { margin: 0 0 14px; color: #737f8a; font-size: 10px; letter-spacing: .15em; text-transform: uppercase; }
.footer-links a { display: block; margin: 9px 0; color: #d7dce1; font-size: 13px; text-decoration: none; }
.footer-links a:hover { color: var(--yellow); }
.footer-bottom { display: flex; justify-content: space-between; gap: 30px; padding-top: 22px; color: #78838e; border-top: 1px solid #28323c; font-size: 11px; }
.page-hero { padding-block: 84px 72px; color: var(--white); background: radial-gradient(circle at 80% 10%, rgba(244,196,48,.1), transparent 22rem), #111820; }
.page-hero h1 { max-width: 920px; margin-bottom: 22px; font-size: clamp(3rem, 6vw, 5rem); }
.page-hero p { max-width: 740px; margin: 0; color: #b7c0c9; font-size: 18px; }
.page-body { padding-block: 72px 100px; }
.content-grid { display: grid; grid-template-columns: 250px minmax(0, 760px); gap: 70px; align-items: start; }
.side-card { position: sticky; top: 106px; padding: 22px; background: var(--white); border: 1px solid #d8dde1; }
.side-card strong { display: block; margin-bottom: 12px; }
.side-card a { display: block; padding: 7px 0; color: #596570; font-size: 13px; text-decoration: none; }
.prose h2 { margin: 46px 0 14px; font-size: 2rem; letter-spacing: -.02em; }
.prose h2:first-child { margin-top: 0; }
.prose h3 { margin: 30px 0 9px; font-size: 1.2rem; }
.prose p, .prose li { color: #525f6b; }
.prose ul { padding-left: 21px; }
.notice { padding: 18px 20px; background: var(--yellow-soft); border-left: 4px solid var(--yellow); }
.module-hero-meta { display: flex; gap: 10px; margin-top: 26px; }
.feature-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 36px; }
.feature { padding: 24px; background: var(--white); border: 1px solid #d9dee2; }
.feature h3 { margin-bottom: 8px; font-size: 1.12rem; }
.feature p { margin: 0; color: var(--muted); font-size: 14px; }
.contact-card { max-width: 750px; padding: 36px; background: var(--white); border: 1px solid #d7dce0; }
.contact-card a { color: #7b5b00; font-weight: 800; }
@media (max-width: 920px) {
  .desktop-nav, .site-header > .button { display: none; }
  .mobile-toggle { display: block; }
  .site-header.open { flex-wrap: wrap; }
  .site-header.open .desktop-nav { width: 100%; display: grid; gap: 0; order: 4; }
  .site-header.open .desktop-nav a { padding: 12px 0; border-top: 1px solid #303943; }
  .hero-inner, .section-lead, .split { grid-template-columns: 1fr; }
  .hero-inner { gap: 56px; }
  .module-grid { grid-template-columns: 1fr 1fr; }
  .services-callout { grid-template-columns: 1fr; gap: 26px; }
  .services-label { padding: 0 0 22px; border-right: 0; border-bottom: 1px solid var(--line); }
  .services-callout .button { justify-self: start; }
  .section-lead { gap: 16px; }
  .footer-main { grid-template-columns: 1fr; gap: 40px; }
  .content-grid { grid-template-columns: 1fr; gap: 32px; }
  .side-card { position: static; }
}
@media (max-width: 640px) {
  .shell { width: min(100% - 30px, 1180px); }
  .site-header { padding-inline: 15px; }
  h1 { font-size: 3.15rem; }
  .hero-inner { min-height: 0; padding-block: 65px 72px; }
  .hero-copy > p:not(.eyebrow) { font-size: 17px; }
  .trust-inner { flex-direction: column; gap: 6px; }
  .section { padding-block: 72px; }
  .module-grid, .how-grid, .feature-grid { grid-template-columns: 1fr; }
  .how-grid { display: grid; }
  .how-card { border-right: 0; border-bottom: 1px solid var(--line); }
  .how-card:last-child { border-bottom: 0; }
  .cta-inner, .footer-bottom { align-items: flex-start; flex-direction: column; }
  .cta-actions { justify-content: flex-start; }
  .cta-actions .button { width: 100%; }
  .footer-links { grid-template-columns: 1fr 1fr; }
  .board-grid { grid-template-columns: 1fr; }
}