:root {
  --ink: #181529;
  --ink-soft: #605b75;
  --paper: #fbfaf7;
  --paper-deep: #f2efe8;
  --white: #ffffff;
  --night: #151326;
  --night-2: #211b3b;
  --violet: #6d4aff;
  --violet-soft: #e8e2ff;
  --cyan: #4fc8d8;
  --rose: #f18aa7;
  --gold: #f2bd57;
  --green: #43aa7b;
  --red: #d95d66;
  --border: #dfdbe8;
  --shadow: 0 24px 70px rgba(30, 23, 57, .12);
  --radius: 24px;
  --sidebar: 250px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
button, input { font: inherit; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; }
.skip-link { position: fixed; z-index: 100; left: 16px; top: -80px; padding: 12px 16px; border-radius: 12px; background: var(--white); color: var(--ink); }
.skip-link:focus { top: 16px; }
.progress { position: fixed; inset: 0 0 auto; height: 3px; z-index: 90; background: transparent; }
.progress span { display: block; width: 0; height: 100%; background: linear-gradient(90deg, var(--violet), var(--rose)); }

.topbar { display: none; }
.page-shell { min-height: 100vh; }
.sidebar {
  position: fixed;
  inset: 0 auto 0 0;
  z-index: 40;
  width: var(--sidebar);
  padding: 32px 22px;
  color: #dfdaee;
  background: var(--night);
  overflow-y: auto;
}
.sidebar-intro { padding: 8px 8px 22px; border-bottom: 1px solid rgba(255,255,255,.1); }
.sidebar-intro p { margin: 8px 0 0; color: #9e98b6; font-size: .78rem; line-height: 1.5; }
.eyebrow { color: var(--violet); font-size: .68rem; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; }
.sidebar .eyebrow { color: #ad9bff; }
.sidebar nav { display: grid; gap: 3px; margin: 22px 0; }
.nav-link { padding: 9px 10px; border-left: 2px solid transparent; color: #9e98b6; text-decoration: none; font-size: .82rem; transition: .2s ease; }
.nav-link:hover, .nav-link.active { color: var(--white); border-left-color: #9f88ff; background: rgba(255,255,255,.055); }
.sidebar-key { display: grid; gap: 8px; padding: 18px 8px 0; border-top: 1px solid rgba(255,255,255,.1); color: #9e98b6; font-size: .7rem; }
.sidebar-key span { display: flex; align-items: center; gap: 8px; }
.dot { width: 8px; height: 8px; border-radius: 50%; }
.dot.ready { background: var(--green); }.dot.partial { background: var(--gold); }.dot.broken { background: var(--red); }

main, footer { margin-left: var(--sidebar); }
main { overflow: hidden; }
.hero {
  position: relative;
  min-height: 720px;
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(340px, .92fr);
  align-items: center;
  gap: 48px;
  padding: 90px clamp(42px, 7vw, 110px);
  color: var(--white);
  background:
    radial-gradient(circle at 82% 20%, rgba(109,74,255,.4), transparent 34%),
    radial-gradient(circle at 45% 90%, rgba(79,200,216,.1), transparent 30%),
    var(--night);
}
.hero::before { content: ""; position: absolute; inset: 0; opacity: .18; background-image: linear-gradient(rgba(255,255,255,.08) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.08) 1px, transparent 1px); background-size: 48px 48px; mask-image: linear-gradient(to right, black, transparent 80%); }
.hero-copy, .hero-art { position: relative; z-index: 1; }
h1, h2, h3 { margin: 0; line-height: 1.08; letter-spacing: -.035em; }
h1 { max-width: 760px; margin-top: 16px; font-family: Georgia, "Times New Roman", serif; font-size: clamp(3rem, 6vw, 6.4rem); font-weight: 500; }
h2 { font-family: Georgia, "Times New Roman", serif; font-size: clamp(2.2rem, 4vw, 4.5rem); font-weight: 500; }
h3 { font-size: 1.08rem; }
.lede { max-width: 690px; margin: 28px 0 0; color: #beb8d3; font-size: clamp(1rem, 1.5vw, 1.25rem); }
.lede.compact { max-width: 760px; color: var(--ink-soft); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.button { display: inline-flex; min-height: 48px; align-items: center; justify-content: center; padding: 0 20px; border: 1px solid rgba(255,255,255,.2); border-radius: 999px; text-decoration: none; font-size: .86rem; font-weight: 750; }
.button.primary { color: var(--white); border-color: var(--violet); background: var(--violet); }
.button.secondary { color: var(--white); background: rgba(255,255,255,.06); }
.button:hover { transform: translateY(-1px); }
.fact-row { display: flex; flex-wrap: wrap; gap: 24px; margin-top: 50px; color: #9e98b6; font-size: .75rem; }
.fact-row span { display: flex; align-items: baseline; gap: 7px; }
.fact-row strong { color: var(--white); font-family: Georgia, serif; font-size: 1.55rem; font-weight: 500; }
.verified-note { display: flex; align-items: center; gap: 8px; margin: 20px 0 0; color: #766f90; font-size: .66rem; }
.verified-note span { width: 7px; height: 7px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 4px rgba(67,170,123,.12); }
.hero-art { min-height: 510px; display: grid; place-items: center; }
.hero-art img { position: relative; z-index: 2; width: min(88%, 410px); filter: drop-shadow(0 38px 45px rgba(0,0,0,.34)); }
.orbit { position: absolute; border: 1px solid rgba(159,136,255,.22); border-radius: 50%; }
.orbit-one { width: 470px; height: 470px; }.orbit-two { width: 340px; height: 340px; border-color: rgba(79,200,216,.18); }
.art-label { position: absolute; z-index: 3; padding: 8px 12px; border: 1px solid rgba(255,255,255,.15); border-radius: 10px; color: #ded8f0; background: rgba(20,17,38,.72); backdrop-filter: blur(10px); font-size: .68rem; font-weight: 750; }
.parent-label { top: 17%; right: 3%; }.coach-label { bottom: 28%; left: 0; }.backend-label { bottom: 10%; right: 13%; color: #a9e7ed; }

.section { padding: 100px clamp(42px, 7vw, 110px); border-bottom: 1px solid var(--border); }
.section-heading { display: flex; align-items: flex-start; gap: 24px; margin-bottom: 46px; }
.section-heading .eyebrow { display: block; margin-bottom: 8px; }
.section-number { min-width: 38px; padding-top: 10px; color: #a49caf; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .75rem; }
.section-heading.light h2 { color: var(--white); }.section-heading.light .section-number { color: #746e8c; }
.objective-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.objective-card { min-height: 250px; padding: 28px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--white); box-shadow: 0 14px 40px rgba(40,31,72,.05); }
.objective-card::before { content: ""; display: block; width: 42px; height: 4px; margin-bottom: 52px; border-radius: 4px; background: var(--violet); }
.objective-card.coach::before { background: var(--cyan); }.objective-card.business::before { background: var(--gold); }
.card-kicker, .node-tag { display: inline-block; margin-bottom: 10px; color: var(--ink-soft); font-size: .65rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.objective-card p, .role-card p, .system-node p { color: var(--ink-soft); font-size: .88rem; }
.two-column { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.follow-up-grid { margin-top: 18px; }
.plain-panel { padding: 28px; border: 1px solid var(--border); border-radius: var(--radius); background: transparent; }
.target-list { margin: 8px 0 0; }
.target-list div { display: flex; align-items: baseline; justify-content: space-between; gap: 20px; padding: 13px 0; border-bottom: 1px solid var(--border); }
.target-list div:last-child { border: 0; }
.target-list dt { color: var(--ink-soft); font-size: .82rem; }.target-list dd { margin: 0; font-size: .82rem; font-weight: 800; text-align: right; }
.priority-panel ol { display: grid; gap: 13px; margin: 10px 0 0; padding: 0; list-style: none; }
.priority-panel li { display: flex; align-items: center; gap: 12px; color: var(--ink-soft); font-size: .8rem; }
.priority-panel li span { display: grid; flex: 0 0 27px; height: 27px; place-items: center; border-radius: 50%; color: var(--violet); background: var(--violet-soft); font-size: .65rem; font-weight: 800; }
.role-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.role-card { display: flex; gap: 18px; align-items: flex-start; padding: 26px; border-radius: 18px; background: var(--paper-deep); }
.role-card p { margin: 8px 0 0; }
.role-icon { display: grid; flex: 0 0 42px; height: 42px; place-items: center; border-radius: 50%; color: var(--white); background: var(--night-2); font-size: .78rem; font-weight: 800; }

.architecture-section { color: #ded8ee; border: 0; background: var(--night-2); }
.architecture-map { display: grid; grid-template-columns: 1.25fr 70px 1fr 70px .75fr; align-items: center; gap: 12px; }
.architecture-column { display: grid; gap: 14px; }
.system-node { padding: 24px; border: 1px solid rgba(255,255,255,.12); border-radius: 20px; background: rgba(255,255,255,.055); }
.system-node h3 { color: var(--white); }.system-node p { margin: 10px 0 0; color: #aaa3bf; }
.system-node ul { margin: 16px 0 0; padding-left: 18px; color: #aaa3bf; font-size: .84rem; }
.parent-node { border-left: 3px solid var(--rose); }.dashboard-node { border-left: 3px solid var(--cyan); }.backend-node { border-color: rgba(109,74,255,.8); background: rgba(109,74,255,.14); }.email-node { border-left: 3px solid var(--gold); }
.node-tag { color: #8f86a8; }
.connector { position: relative; height: 1px; background: rgba(255,255,255,.2); }
.connector::after { content: ""; position: absolute; top: -4px; right: -1px; border-width: 4px 0 4px 6px; border-style: solid; border-color: transparent transparent transparent rgba(255,255,255,.35); }
.connector span { position: absolute; left: 50%; top: -22px; transform: translateX(-50%); color: #807993; font-size: .58rem; white-space: nowrap; }
.architecture-note { max-width: 900px; margin: 36px 0 0; padding-left: 18px; border-left: 2px solid var(--violet); color: #a9a2bd; font-size: .86rem; }

.flow-strip { display: grid; grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr; align-items: center; gap: 12px; }
.flow-strip > i { color: #b4adbe; font-style: normal; }
.flow-step { min-height: 160px; padding: 20px; border: 1px solid var(--border); border-radius: 18px; background: var(--white); }
.flow-step > span { display: grid; width: 30px; height: 30px; margin-bottom: 32px; place-items: center; border-radius: 50%; color: var(--white); background: var(--violet); font-size: .72rem; font-weight: 800; }
.flow-step.warning { border-color: #e4b2b6; background: #fff7f7; }.flow-step.warning > span { background: var(--red); }
.flow-step strong, .flow-step small { display: block; }.flow-step small { margin-top: 8px; color: var(--ink-soft); line-height: 1.45; }
.flow-details { display: grid; gap: 10px; margin-top: 28px; }
details { border: 1px solid var(--border); border-radius: 18px; background: var(--white); overflow: hidden; }
summary { min-height: 80px; display: flex; align-items: center; gap: 18px; padding: 18px 22px; cursor: pointer; list-style: none; }
summary::-webkit-details-marker { display: none; }
summary > span { color: #a39cad; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .68rem; }
summary > div { flex: 1; } summary strong, summary small { display: block; } summary small { margin-top: 4px; color: var(--ink-soft); font-size: .72rem; }
summary > i { position: relative; width: 26px; height: 26px; border: 1px solid var(--border); border-radius: 50%; }
summary > i::before, summary > i::after { content: ""; position: absolute; left: 7px; top: 12px; width: 10px; height: 1px; background: var(--ink); }
summary > i::after { transform: rotate(90deg); transition: transform .2s ease; }
details[open] summary > i::after { transform: rotate(0); }
.details-body { padding: 0 22px 24px 62px; border-top: 1px solid var(--border); }
.details-body > p { color: var(--ink-soft); font-size: .88rem; }
.steps { display: grid; gap: 10px; margin: 24px 0; padding-left: 22px; color: var(--ink-soft); font-size: .84rem; }
code { font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace; font-size: .86em; }
.callout { margin-top: 14px; padding: 15px 17px; border-left: 3px solid var(--cyan); border-radius: 4px 12px 12px 4px; background: #f1fafb; }
.callout.caution { border-color: var(--gold); background: #fff9ed; }.callout.danger { border-color: var(--red); background: #fff3f4; }
.callout strong { font-size: .78rem; }.callout p { margin: 5px 0 0; color: var(--ink-soft); font-size: .78rem; }
.source-path { margin: 18px 0 0; color: #8c8495 !important; font-size: .7rem !important; }

.feature-toolbar { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 26px; }
.filter-button { min-height: 42px; padding: 0 14px; border: 1px solid var(--border); border-radius: 999px; color: var(--ink-soft); background: var(--white); cursor: pointer; font-size: .76rem; font-weight: 700; }
.filter-button span { display: inline-grid; min-width: 20px; height: 20px; margin-left: 6px; place-items: center; border-radius: 50%; background: var(--paper-deep); font-size: .62rem; }
.filter-button:hover, .filter-button.active { color: var(--white); border-color: var(--night); background: var(--night); }
.filter-button.active span { color: var(--ink); background: var(--white); }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.feature-card { min-height: 220px; display: flex; flex-direction: column; padding: 23px; border: 1px solid var(--border); border-radius: 18px; background: var(--white); transition: opacity .18s ease, transform .18s ease; }
.feature-card.hidden { display: none; }
.feature-card:hover { transform: translateY(-3px); box-shadow: 0 16px 36px rgba(33,24,62,.08); }
.feature-card h3 { margin-top: 24px; }.feature-card p { margin: 10px 0 20px; color: var(--ink-soft); font-size: .8rem; }
.feature-card small { margin-top: auto; color: #a49cad; font-size: .66rem; }
.status { align-self: flex-start; padding: 5px 8px; border-radius: 999px; font-size: .58rem; font-weight: 850; letter-spacing: .06em; text-transform: uppercase; }
.status.ready, em.ready { color: #277957; background: #e2f4eb; }.status.partial, em.partial { color: #946413; background: #fff0cd; }.status.broken, em.broken { color: #a83c47; background: #fde6e8; }

.data-section { background: #f3f0e9; }
.model-map { display: grid; grid-template-columns: 1fr 54px 1fr 54px 1fr; gap: 12px; align-items: center; }
.model-card { min-height: 180px; padding: 22px; border: 1px solid var(--border); border-radius: 18px; background: var(--white); }
.model-card > span { color: #aaa3b4; font-family: ui-monospace, monospace; font-size: .65rem; }.model-card h3 { margin-top: 34px; font-family: ui-monospace, monospace; }.model-card p { margin: 8px 0 0; color: var(--ink-soft); font-size: .76rem; }
.model-card.profiles { border-top: 3px solid var(--violet); }.model-card.children { border-top: 3px solid var(--rose); }.model-card.logs { border-top: 3px solid var(--cyan); }.model-card.invites, .model-card.branding { margin-top: 14px; min-height: 140px; border-top: 3px solid var(--gold); }
.model-card.invites { grid-column: 1 / 3; }.model-card.branding { grid-column: 4 / 6; }
.model-link { position: relative; height: 1px; background: #c8c2cf; }.model-link i::after { content: ""; position: absolute; right: 0; top: -3px; border-width: 4px 0 4px 6px; border-style: solid; border-color: transparent transparent transparent #a9a2b0; }.model-link small { position: absolute; left: 50%; bottom: 8px; transform: translateX(-50%); width: 100px; color: #96909d; font-size: .55rem; text-align: center; }
.sleep-types { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-top: 26px; }
.sleep-types article { display: flex; align-items: center; gap: 12px; padding: 15px; border-radius: 14px; background: var(--white); }
.sleep-types strong, .sleep-types small { display: block; }.sleep-types small { margin-top: 2px; color: var(--ink-soft); font-size: .62rem; }
.sleep-icon { display: grid; width: 34px; height: 34px; place-items: center; border-radius: 50%; font-weight: 800; }.sleep-icon.wake { color: #a46a08; background: #fff1bf; }.sleep-icon.nap { color: #177c88; background: #d8f6f8; }.sleep-icon.bed { color: #9b405c; background: #fce1e9; }.sleep-icon.night { color: #4d3da2; background: #e5e1ff; }

.table-wrap { margin-top: 26px; border: 1px solid var(--border); border-radius: 18px; overflow-x: auto; background: var(--white); }
table { width: 100%; border-collapse: collapse; font-size: .76rem; }
caption { padding: 20px 22px; color: var(--ink); font-size: .82rem; font-weight: 800; text-align: left; }
th { padding: 11px 18px; color: #8d8699; background: #f5f3ef; font-size: .62rem; letter-spacing: .08em; text-align: left; text-transform: uppercase; }
td { padding: 14px 18px; border-top: 1px solid var(--border); color: var(--ink-soft); }
td:first-child { color: var(--ink); font-weight: 700; }
.table-status { display: inline-block; padding: 4px 7px; border-radius: 6px; font-size: .58rem; font-weight: 800; text-transform: uppercase; }.table-status.strong { color: #267652; background: #e1f4ea; }.table-status.medium { color: #48549f; background: #e8eaff; }.table-status.weak { color: #8c611a; background: #fff0cd; }.table-status.absent { color: #a83c47; background: #fde6e8; }

.requirement-groups { display: grid; gap: 18px; }
.requirement-group { border: 1px solid var(--border); border-radius: 18px; overflow: hidden; background: var(--white); }
.requirement-group header { display: flex; justify-content: space-between; align-items: center; padding: 18px 22px; background: var(--paper-deep); }.requirement-group header span { font-family: Georgia, serif; font-size: 1.3rem; }.requirement-group header strong { color: var(--ink-soft); font-size: .68rem; }
.requirement-group ul { margin: 0; padding: 0; list-style: none; }
.requirement-group li { display: grid; grid-template-columns: 74px 1fr auto; align-items: center; gap: 14px; min-height: 54px; padding: 9px 22px; border-top: 1px solid var(--border); font-size: .76rem; }
.requirement-group li code { color: var(--violet); font-weight: 800; }.requirement-group li > span { color: var(--ink-soft); }.requirement-group em { padding: 4px 7px; border-radius: 999px; font-size: .57rem; font-style: normal; font-weight: 850; text-transform: uppercase; }

.quality-section { color: #dcd7e9; background: var(--night); }
.security-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.security-card { min-height: 220px; padding: 24px; border: 1px solid rgba(255,255,255,.12); border-radius: 18px; background: rgba(255,255,255,.045); }.security-card h3 { margin-top: 46px; color: var(--white); }.security-card p { color: #aaa3bd; font-size: .8rem; }.security-number { color: #746e88; font-family: ui-monospace, monospace; font-size: .65rem; }.risk-card { border-color: rgba(109,74,255,.75); background: rgba(109,74,255,.12); }
.dark-table { border-color: rgba(255,255,255,.12); background: rgba(255,255,255,.035); }.dark-table caption { color: var(--white); }.dark-table th { color: #8f88a3; background: rgba(255,255,255,.04); }.dark-table td { color: #aaa3bd; border-color: rgba(255,255,255,.09); }.dark-table td:first-child { color: var(--white); }
.risk-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 20px; }.risk-row article { padding: 20px; border-left: 2px solid var(--red); background: rgba(217,93,102,.07); }.risk-row strong { color: #f2dadd; font-size: .78rem; }.risk-row p { margin: 7px 0 0; color: #aaa3bd; font-size: .72rem; }
.quality-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; margin-top: 28px; overflow: hidden; border: 1px solid rgba(255,255,255,.1); border-radius: 14px; background: rgba(255,255,255,.1); }.quality-grid div { padding: 18px; background: var(--night); }.quality-grid span, .quality-grid strong { display: block; }.quality-grid span { color: #77708c; font-size: .6rem; text-transform: uppercase; }.quality-grid strong { margin-top: 6px; color: #c7c1d5; font-size: .72rem; }

.gaps-section { background: #fffafa; }
.gap-list { margin: 0; padding: 0; border-top: 1px solid #ead8da; list-style: none; counter-reset: none; }
.gap-list li { display: grid; grid-template-columns: 52px minmax(0,1fr) auto; align-items: center; gap: 20px; padding: 22px 0; border-bottom: 1px solid #ead8da; }.gap-list li > span { color: #c4898f; font-family: ui-monospace, monospace; font-size: .65rem; }.gap-list strong { font-size: .86rem; }.gap-list p { margin: 5px 0 0; color: var(--ink-soft); font-size: .74rem; }.gap-list em { padding: 5px 8px; border-radius: 999px; color: #9e454e; background: #f9e6e8; font-size: .57rem; font-style: normal; font-weight: 800; text-transform: uppercase; }

.stack-pills { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 28px; }.stack-pills span { padding: 8px 11px; border: 1px solid var(--border); border-radius: 999px; color: var(--ink-soft); background: var(--white); font-family: ui-monospace, monospace; font-size: .65rem; }
.technical-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 18px; }
.repo-map { overflow: hidden; border-radius: 18px; color: #d9d4e5; background: var(--night); box-shadow: var(--shadow); }.repo-map header { display: flex; gap: 18px; align-items: center; padding: 13px 18px; border-bottom: 1px solid rgba(255,255,255,.09); color: #8e879e; font-size: .65rem; }.window-dots { color: #705f86; letter-spacing: 3px; }.repo-map pre { margin: 0; padding: 25px; overflow-x: auto; line-height: 1.75; font-size: .73rem; }.repo-map b { color: #8d80ce; font-weight: 500; }
.health-panel { padding: 26px; border: 1px solid var(--border); border-radius: 18px; background: var(--white); }.health-panel ul { display: grid; gap: 14px; margin: 14px 0 0; padding: 0; list-style: none; }.health-panel li { display: flex; gap: 12px; align-items: center; }.health-panel i { display: grid; flex: 0 0 27px; height: 27px; place-items: center; border-radius: 50%; font-style: normal; font-weight: 800; }.health-pass { color: #267652; background: #e1f4ea; }.health-fail { color: #a83c47; background: #fde6e8; }.health-none { color: #766f7e; background: #eeebf0; }.health-panel strong, .health-panel small { display: block; }.health-panel strong { font-size: .75rem; }.health-panel small { margin-top: 2px; color: var(--ink-soft); font-size: .62rem; }
.code-paths { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 22px; }.code-paths article { display: grid; grid-template-columns: 130px 1fr; gap: 12px; padding: 14px 16px; border: 1px solid var(--border); border-radius: 12px; background: var(--white); font-size: .68rem; }.code-paths span { color: var(--ink-soft); }.code-paths code { overflow: hidden; color: var(--violet); text-overflow: ellipsis; white-space: nowrap; }
.boundary-note { display: flex; gap: 16px; margin-top: 24px; padding: 22px; border-radius: 18px; color: #d9d4e5; background: var(--night-2); }.boundary-mark { display: grid; flex: 0 0 34px; height: 34px; place-items: center; border: 1px solid #7464c3; border-radius: 50%; color: #b7aaff; }.boundary-note strong { color: var(--white); font-size: .86rem; }.boundary-note p { margin: 6px 0 0; color: #aaa3bd; font-size: .73rem; }

.glossary-section { border-bottom: 0; }
.glossary-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; overflow: hidden; border: 1px solid var(--border); border-radius: 18px; background: var(--border); }.glossary-grid > div { padding: 22px; background: var(--white); }.glossary-grid dt { font-family: Georgia, serif; font-size: 1.15rem; }.glossary-grid dd { margin: 8px 0 0; color: var(--ink-soft); font-size: .75rem; }
.closing-panel { margin-top: 64px; padding: clamp(30px,6vw,70px); border-radius: 30px; color: var(--white); background: radial-gradient(circle at 85% 10%, rgba(109,74,255,.5), transparent 35%), var(--night); }.closing-panel h2 { max-width: 850px; margin-top: 14px; }.closing-panel p { max-width: 760px; margin: 22px 0 28px; color: #b6b0c8; font-size: .9rem; }
footer { display: flex; justify-content: space-between; padding: 28px clamp(42px, 7vw, 110px); color: #aaa3bf; background: var(--night); font-size: .74rem; }
footer a { color: var(--white); }

@media (max-width: 1050px) {
  .hero { grid-template-columns: 1fr; padding-top: 120px; }
  .hero-art { min-height: 420px; }
  .objective-grid, .role-grid { grid-template-columns: 1fr; }
  .two-column { grid-template-columns: 1fr; }
  .objective-card { min-height: auto; }.objective-card::before { margin-bottom: 28px; }
  .architecture-map { grid-template-columns: 1fr; }
  .connector { width: 1px; height: 38px; margin: 0 auto; }
  .connector::after { top: auto; right: -4px; bottom: 0; border-width: 6px 4px 0; border-color: rgba(255,255,255,.35) transparent transparent; }
  .connector span { top: 9px; left: 14px; transform: none; }
  .flow-strip { grid-template-columns: 1fr 1fr; }.flow-strip > i { display: none; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .model-map { grid-template-columns: 1fr; }.model-link { width: 1px; height: 32px; margin: 0 auto; }.model-link i::after { right: -3px; top: auto; bottom: 0; border-width: 6px 4px 0; border-color: #a9a2b0 transparent transparent; }.model-link small { left: 12px; bottom: 8px; transform: none; text-align: left; }
  .model-card.invites, .model-card.branding { grid-column: auto; margin-top: 0; }
  .security-grid, .risk-row { grid-template-columns: 1fr; }.quality-grid { grid-template-columns: 1fr 1fr; }
  .technical-grid { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
  html { scroll-padding-top: 72px; }
  .topbar { position: fixed; inset: 0 0 auto; z-index: 70; height: 64px; display: flex; align-items: center; justify-content: space-between; padding: 0 18px; color: var(--white); background: rgba(21,19,38,.94); backdrop-filter: blur(14px); }
  .brand { display: flex; align-items: center; gap: 10px; text-decoration: none; font-size: .8rem; font-weight: 750; }
  .brand-mark { display: grid; width: 30px; height: 30px; place-items: center; border-radius: 9px; background: var(--violet); font-size: .62rem; }
  .menu-button { width: 44px; height: 44px; display: grid; place-content: center; gap: 4px; border: 0; background: transparent; }
  .menu-button > span:not(.sr-only) { display: block; width: 19px; height: 2px; background: var(--white); }
  .sidebar { width: min(82vw, 310px); padding-top: 82px; transform: translateX(-105%); transition: transform .25s ease; box-shadow: var(--shadow); }
  .sidebar.open { transform: translateX(0); }
  main, footer { margin-left: 0; }
  .hero { min-height: auto; grid-template-columns: 1fr; gap: 20px; padding: 120px 22px 70px; }
  h1 { font-size: clamp(2.8rem, 14vw, 4.6rem); }
  h2 { font-size: clamp(2.15rem, 11vw, 3.5rem); }
  .hero-art { min-height: 350px; }.hero-art img { width: min(86%, 330px); }.orbit-one { width: 330px; height: 330px; }.orbit-two { width: 240px; height: 240px; }
  .parent-label { top: 12%; right: 0; }.coach-label { bottom: 28%; left: 0; }.backend-label { bottom: 5%; right: 4%; }
  .fact-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 38px; }
  .section { padding: 72px 22px; }
  .section-heading { gap: 12px; margin-bottom: 34px; }.section-number { min-width: 28px; }
  .role-grid, .objective-grid, .flow-strip { grid-template-columns: 1fr; }
  .feature-grid, .sleep-types, .quality-grid, .code-paths, .glossary-grid { grid-template-columns: 1fr; }
  .details-body { padding: 0 18px 22px; }
  summary { padding: 16px; }
  .requirement-group li { grid-template-columns: 60px 1fr; }.requirement-group li em { grid-column: 2; justify-self: start; }
  .gap-list li { grid-template-columns: 34px 1fr; gap: 12px; }.gap-list em { grid-column: 2; justify-self: start; }
  .code-paths article { grid-template-columns: 1fr; gap: 5px; }.code-paths code { white-space: normal; word-break: break-word; }
  .closing-panel { border-radius: 22px; }
  .flow-step { min-height: auto; }.flow-step > span { margin-bottom: 20px; }
  footer { padding: 24px 22px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; }
}