/* Project overview for guests: same tokens as the dashboard (style.css), quieter layout. */

:root {
  color-scheme: dark;
  --page: #0b0c0e;
  --surface: #131519;
  --surface-2: #1a1d22;
  --ink: #f0efec;
  --ink-2: #c3c2b7;
  --muted: #8d8b85;
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.16);
  --accent: #3987e5;
  --accent-ink: #6aa8f0;
  --good: #2fb344;
  --bad: #e5604d;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: ui-monospace, "Cascadia Mono", "SF Mono", Consolas, monospace;
}
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    color-scheme: light;
    --page: #f7f6f3; --surface: #ffffff; --surface-2: #f1f0ec;
    --ink: #161616; --ink-2: #3d3c39; --muted: #6f6d68;
    --border: rgba(11, 11, 11, 0.09); --border-strong: rgba(11, 11, 11, 0.18);
    --accent: #2a6fc9; --accent-ink: #2a6fc9; --good: #13853a; --bad: #c2412f;
  }
}
:root[data-theme="light"] {
  color-scheme: light;
  --page: #f7f6f3; --surface: #ffffff; --surface-2: #f1f0ec;
  --ink: #161616; --ink-2: #3d3c39; --muted: #6f6d68;
  --border: rgba(11, 11, 11, 0.09); --border-strong: rgba(11, 11, 11, 0.18);
  --accent: #2a6fc9; --accent-ink: #2a6fc9; --good: #13853a; --bad: #c2412f;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body { margin: 0; background: var(--page); color: var(--ink); font: 15px/1.55 var(--font); -webkit-font-smoothing: antialiased; }
a { color: var(--accent-ink); text-decoration: none; }
a:hover { text-decoration: underline; }
b { font-weight: 600; }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 24px; }
.muted { color: var(--muted); }
.num, .mono { font-family: var(--mono); font-variant-numeric: tabular-nums; }
.pos { color: var(--good); }
.neg { color: var(--bad); }

/* top bar */
.top { position: sticky; top: 0; z-index: 10; background: color-mix(in srgb, var(--page) 86%, transparent); backdrop-filter: blur(10px); border-bottom: 1px solid var(--border); }
.top-in { display: flex; align-items: center; gap: 24px; height: 60px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--ink); font-weight: 650; letter-spacing: -0.01em; }
.brand:hover { text-decoration: none; }
.brand svg { width: 26px; height: 26px; }
.brand svg rect { fill: var(--accent); }
.brand svg path { fill: none; stroke: #fff; stroke-width: 2.4; stroke-linecap: round; stroke-linejoin: round; }
.top-nav { display: flex; gap: 22px; margin-left: 12px; }
.top-nav a { color: var(--muted); font-size: 14px; }
.top-nav a:hover { color: var(--ink); text-decoration: none; }
.top-actions { margin-left: auto; display: flex; align-items: center; gap: 10px; }
.icon { width: 36px; height: 36px; border-radius: 8px; border: 1px solid var(--border); background: transparent; color: var(--ink); display: grid; place-items: center; cursor: pointer; }
.icon svg { width: 17px; height: 17px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; }
.btn { display: inline-flex; align-items: center; gap: 8px; height: 36px; padding: 0 14px; border-radius: 8px; border: 1px solid var(--border-strong); color: var(--ink); font-size: 14px; font-weight: 550; background: transparent; white-space: nowrap; }
.btn:hover { text-decoration: none; border-color: var(--muted); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.primary:hover { filter: brightness(1.08); }
.btn.lg { height: 44px; padding: 0 20px; font-size: 15px; }

/* hero */
.hero { padding: 72px 24px 40px; }
.eyebrow { margin: 0 0 14px; color: var(--muted); font-size: 12.5px; letter-spacing: 0.06em; text-transform: uppercase; font-weight: 600; }
h1 { margin: 0; max-width: 860px; font-size: clamp(32px, 4.6vw, 52px); line-height: 1.08; letter-spacing: -0.025em; font-weight: 700; }
.lede { max-width: 720px; margin: 22px 0 0; font-size: 18px; color: var(--ink-2); }
.hero-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-top: 26px; color: var(--muted); font-size: 14px; }
.hero-meta .sep { width: 1px; height: 14px; background: var(--border-strong); }
.hero-meta .sep:last-child, .hero-meta .sep:has(+ [hidden]) { display: none; }
.live-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--muted); }
.live-dot.on { background: var(--good); box-shadow: 0 0 0 4px color-mix(in srgb, var(--good) 22%, transparent); }
.live-dot.warn { background: #e0a020; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }

/* KPI strip */
.kpis { display: grid; grid-template-columns: repeat(6, 1fr); gap: 0; border: 1px solid var(--border); border-radius: 12px; background: var(--surface); overflow: hidden; }
.kpi { padding: 18px 18px 16px; border-right: 1px solid var(--border); min-width: 0; }
.kpi:last-child { border-right: 0; }
.kpi .k { color: var(--muted); font-size: 12.5px; font-weight: 550; }
.kpi .v { margin-top: 6px; font: 600 24px/1.15 var(--mono); font-variant-numeric: tabular-nums; letter-spacing: -0.02em; white-space: nowrap; }
.kpi .v small { margin-left: 5px; font: 500 12px var(--font); color: var(--muted); letter-spacing: 0; }
.kpi .s { margin-top: 6px; color: var(--muted); font-size: 12.5px; line-height: 1.4; }

/* sections */
.section { padding: 88px 24px 0; }
.sec-head { max-width: 760px; margin-bottom: 28px; }
h2 { margin: 0; font-size: clamp(24px, 3vw, 32px); line-height: 1.15; letter-spacing: -0.02em; font-weight: 680; }
h3 { margin: 0; font-size: 15px; font-weight: 650; }
.sec-lede { margin: 14px 0 0; color: var(--ink-2); font-size: 16px; }

/* architecture */
.arch { margin: 0; padding: 22px; border: 1px solid var(--border); border-radius: 12px; background: var(--surface); }
.arch svg { width: 100%; height: auto; display: block; font-family: var(--font); }
.arch .col-h { fill: var(--muted); font-size: 11px; letter-spacing: 0.08em; font-weight: 600; }
.arch .node { fill: var(--surface-2); stroke: var(--border-strong); }
.arch .node.strong { stroke: color-mix(in srgb, var(--accent) 55%, var(--border-strong)); }
.arch .node.real { stroke: color-mix(in srgb, var(--good) 60%, var(--border-strong)); }
.arch .n-t { fill: var(--ink); font-size: 14px; font-weight: 650; }
.arch .n-s { fill: var(--muted); font-size: 11.5px; }
.arch .n-m { fill: var(--accent-ink); font: 600 12px var(--mono); }
.arch .edge { fill: none; stroke: var(--muted); stroke-width: 1.4; }
.arch .edge.dashed { stroke-dasharray: 5 4; }
.arch .ah { fill: var(--muted); }
.arch .band { fill: var(--surface-2); stroke: var(--border); }
.arch .band-t { fill: var(--muted); font-size: 12px; }
.arch .dot-on { fill: var(--good); }
.arch .dot-off { fill: var(--muted); }
.arch-list { display: none; margin: 0; padding-left: 20px; color: var(--ink-2); }
.arch-list li { margin: 8px 0; }

.engines { margin-top: 28px; }
.eng-list { list-style: none; margin: 12px 0 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 8px; }
.eng-list li { display: flex; align-items: center; gap: 10px; padding: 10px 14px; border: 1px solid var(--border); border-radius: 10px; background: var(--surface); font-size: 14px; }
.eng-list .st { margin-left: auto; font-size: 12.5px; color: var(--muted); }
.eng-list .d { width: 8px; height: 8px; border-radius: 50%; background: var(--muted); flex: none; }
.eng-list .d.on { background: var(--good); }

/* findings */
.finds { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.find { display: flex; flex-direction: column; padding: 22px; border: 1px solid var(--border); border-radius: 12px; background: var(--surface); }
.find .tag { color: var(--muted); font-size: 12px; font-weight: 600; letter-spacing: 0.05em; text-transform: uppercase; }
.find h3 { margin-top: 10px; font-size: 18px; line-height: 1.3; letter-spacing: -0.01em; }
.find p { margin: 10px 0 0; color: var(--ink-2); font-size: 14.5px; }
.find .figs { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: auto; padding-top: 18px; }
.find .fig { padding: 10px 12px; border-radius: 8px; background: var(--surface-2); }
.find .fig .fk { color: var(--muted); font-size: 12px; }
.find .fig .fv { font: 600 18px var(--mono); font-variant-numeric: tabular-nums; margin-top: 2px; }
.find .cmp { width: 100%; border-collapse: collapse; margin-top: auto; padding-top: 14px; font-size: 13.5px; }
.find .cmp th { text-align: right; color: var(--muted); font-weight: 550; font-size: 12px; padding: 14px 0 6px; }
.find .cmp th:first-child, .find .cmp td:first-child { text-align: left; }
.find .cmp td { padding: 7px 0; border-top: 1px solid var(--border); text-align: right; font-family: var(--mono); font-variant-numeric: tabular-nums; }
.find .cmp td:first-child { font-family: var(--font); }

.table-card, .chart-card { margin-top: 16px; padding: 20px 22px; border: 1px solid var(--border); border-radius: 12px; background: var(--surface); }
.tc-head { display: flex; flex-wrap: wrap; align-items: baseline; gap: 6px 14px; justify-content: space-between; margin-bottom: 10px; }
.tc-head .muted { font-size: 13px; }
.tbl-wrap { overflow-x: auto; }
.tbl { width: 100%; border-collapse: collapse; font-size: 14px; }
.tbl th { text-align: left; color: var(--muted); font-weight: 550; font-size: 12.5px; padding: 8px 10px 8px 0; border-bottom: 1px solid var(--border); }
.tbl td { padding: 10px 10px 10px 0; border-bottom: 1px solid var(--border); }
.tbl tr:last-child td { border-bottom: 0; }
.tbl .num { text-align: right; }
.foot { margin: 12px 0 0; color: var(--muted); font-size: 12.5px; }

/* live */
.live-grid { display: grid; grid-template-columns: 5fr 7fr; gap: 16px; align-items: stretch; }
.live-grid .chart-card { margin-top: 0; }
.live-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.ls { padding: 16px 18px; border: 1px solid var(--border); border-radius: 12px; background: var(--surface); }
.ls .k { color: var(--muted); font-size: 12.5px; }
.ls .v { font: 600 26px/1.2 var(--mono); font-variant-numeric: tabular-nums; margin-top: 4px; letter-spacing: -0.02em; }
.ls .s { color: var(--muted); font-size: 12.5px; margin-top: 4px; }
.mini-chart { height: 240px; }
.mini-chart svg { width: 100%; height: 100%; display: block; overflow: visible; }
.mini-chart .grid { stroke: var(--border); }
.mini-chart .zero { stroke: var(--border-strong); stroke-dasharray: 3 3; }
.mini-chart .ax { fill: var(--muted); font: 11px var(--mono); }
.mini-chart .line { fill: none; stroke: var(--accent); stroke-width: 2; vector-effect: non-scaling-stroke; }
.mini-chart .area { fill: color-mix(in srgb, var(--accent) 14%, transparent); }
.mini-chart .switch { stroke: var(--muted); stroke-dasharray: 2 3; }
.mini-chart .switch-t { fill: var(--muted); font: 11px var(--font); }
.empty { display: grid; place-items: center; height: 100%; color: var(--muted); font-size: 14px; }

.controls { margin-top: 16px; padding: 20px 22px; border: 1px solid var(--border); border-radius: 12px; background: var(--surface); }
.ctl-list { margin: 12px 0 0; padding: 0; list-style: none; display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 10px 28px; }
.ctl-list li { color: var(--ink-2); font-size: 14px; padding-left: 16px; position: relative; }
.ctl-list li::before { content: ""; position: absolute; left: 0; top: 0.62em; width: 6px; height: 6px; border-radius: 1px; background: var(--accent); }

/* engineering */
.eng-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.eg { padding: 20px; border: 1px solid var(--border); border-radius: 12px; background: var(--surface); }
.eg .v { font: 600 26px var(--mono); font-variant-numeric: tabular-nums; letter-spacing: -0.02em; }
.eg .k { font-weight: 600; margin-top: 4px; }
.eg p { margin: 8px 0 0; color: var(--muted); font-size: 13.5px; }

/* explore */
.explore { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.explore a { display: flex; flex-direction: column; gap: 6px; padding: 18px; border: 1px solid var(--border); border-radius: 12px; background: var(--surface); color: var(--ink); transition: border-color .15s; }
.explore a:hover { text-decoration: none; border-color: var(--accent); }
.explore a b::after { content: " →"; color: var(--muted); }
.explore a span { color: var(--muted); font-size: 13.5px; }

/* footer */
.foot-bar { margin-top: 96px; border-top: 1px solid var(--border); padding: 28px 0 40px; font-size: 14px; }
.foot-in { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 16px; }
.foot-in p { margin: 4px 0 0; font-size: 13px; }

/* responsive */
@media (max-width: 1040px) {
  .kpis { grid-template-columns: repeat(3, 1fr); }
  .kpi:nth-child(3n) { border-right: 0; }
  .kpi:nth-child(-n+3) { border-bottom: 1px solid var(--border); }
  .finds { grid-template-columns: 1fr; }
  .live-grid { grid-template-columns: 1fr; }
  .eng-grid, .explore { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 720px) {
  body { font-size: 15px; }
  .wrap { padding: 0 16px; }
  .top-nav { display: none; }
  .top-actions .btn { height: 34px; padding: 0 12px; font-size: 13.5px; }
  .hero { padding: 40px 16px 28px; }
  .lede { font-size: 16.5px; }
  .section { padding: 64px 16px 0; }
  .kpis { grid-template-columns: 1fr 1fr; }
  .kpi { border-right: 1px solid var(--border) !important; border-bottom: 1px solid var(--border); }
  .kpi:nth-child(2n) { border-right: 0 !important; }
  .kpi:nth-last-child(-n+2) { border-bottom: 0; }
  .kpi .v { font-size: 21px; }
  .arch svg { display: none; }
  .arch-list { display: block; }
  .eng-grid, .explore { grid-template-columns: 1fr; }
  .live-stats { grid-template-columns: 1fr 1fr; }
  .mini-chart { height: 200px; }
}

/* AI section */
.ai-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.ai-card { display: flex; flex-direction: column; padding: 20px; border: 1px solid var(--border); border-radius: 12px; background: var(--surface); }
.ai-top { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; }
.ai-top b { font-size: 17px; }
.ai-role { color: var(--muted); font-size: 12px; font-weight: 600; letter-spacing: .05em; text-transform: uppercase; }
.ai-card p { margin: 8px 0 14px; color: var(--ink-2); font-size: 14.5px; }
.ai-meta { margin-top: auto; display: flex; justify-content: space-between; gap: 10px; padding-top: 12px; border-top: 1px solid var(--border); font-size: 13px; color: var(--ink-2); }
.ai-last { margin-top: 4px; color: var(--muted); font-size: 12.5px; }
.ai-two { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.ai-p { margin: 10px 0 0; color: var(--ink-2); font-size: 14.5px; }
.ai-quote { display: flex; gap: 10px; align-items: flex-start; margin: 6px 0 0; padding: 12px 14px; border-radius: 8px; background: var(--surface-2); font-size: 14.5px; }
.ai-quote .live-dot { margin-top: 7px; flex: none; }
.ai-tools { margin: 10px 0 0; padding-left: 18px; color: var(--ink-2); font-size: 14px; columns: 2; column-gap: 24px; }
.ai-tools li { margin: 4px 0; break-inside: avoid; }
@media (max-width: 1040px) { .ai-grid { grid-template-columns: 1fr; } .ai-two { grid-template-columns: 1fr; } }
@media (max-width: 720px) { .ai-tools { columns: 1; } }
.hunt-card { margin-top: 16px; }
.hunt-card .ctl-list { margin-top: 14px; }
.hunt-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-top: 18px; }
.hunt-stats .hs { padding: 12px 14px; border-radius: 8px; background: var(--surface-2); }
.hunt-stats .hs .v { font: 600 22px var(--mono); font-variant-numeric: tabular-nums; }
.hunt-stats .hs .k { color: var(--muted); font-size: 12.5px; margin-top: 2px; }
.hunt-stats .hs-wide { grid-column: 1 / -1; margin: 0; }
.ai-two { margin-top: 16px; }
@media (max-width: 720px) { .hunt-stats { grid-template-columns: 1fr 1fr; } }