/* hornbeamsoftware.com — the one stylesheet.
   Direction: dark navy ground with a faint grid, brass accent, Bricolage Grotesque
   display, IBM Plex Sans body, JetBrains Mono for citations, digests and timelines.
   The page is one document; [data-view] sections are switched by URL hash. */

:root {
  color-scheme: dark;
  --bg: #0b1220; --bg-2: #0f172a; --bg-3: #070d19;
  --panel: rgba(255,255,255,0.04); --panel-2: rgba(255,255,255,0.07);
  --edge: rgba(255,255,255,0.10); --edge-2: rgba(255,255,255,0.18);
  --ink: #eef2f8; --ink-2: #b7c2d4; --mute: #7d8aa0;
  --brass: #d9b45a; --brass-2: #f0d68a; --ok: #5cc48a; --warn: #f0b35a; --err: #f08a7a;
  --paper: #f6f7f9; --paper-ink: #141c29; --paper-ink-2: #3a4556; --paper-mute: #6a7585; --paper-rule: #d5dbe4; --paper-brass: #a97b22;
  --display: 'Bricolage Grotesque', 'IBM Plex Sans', system-ui, sans-serif;
  --sans: 'IBM Plex Sans', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, Consolas, monospace;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 16px/1.65 var(--sans);
  background-image: linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px);
  background-size: 48px 48px; }
a { color: inherit; }
img, svg { max-width: 100%; }
.wrap { max-width: max(75vw, 1120px); margin: 0 auto; padding-inline: 20px; }
h1, h2, h3 { font-family: var(--display); margin: 0; text-wrap: balance; letter-spacing: -0.02em; }
.h2 { font-size: clamp(1.7rem, 3.4vw, 2.5rem); font-weight: 600; margin: 12px 0 12px; }
.tag { font-family: var(--mono); font-size: 0.74rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--brass); }
.lead { color: var(--ink-2); font-size: 1.08rem; max-width: 60ch; }
:focus-visible { outline: 3px solid var(--brass-2); outline-offset: 2px; }

/* ---- views: JS shows one at a time; without JS they stack ---- */
.js [data-view]:not(.active) { display: none; }
[data-view] { animation: fade .25s ease; }
@keyframes fade { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }

/* ---- nav ---- */
.nav { position: sticky; top: 0; z-index: 10; background: rgba(11,18,32,0.8); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); border-bottom: 1px solid var(--edge); }
.nav .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; gap: 20px; }
.logo { display: flex; align-items: center; gap: 10px; font-family: var(--display); font-weight: 700; font-size: 1.1rem; text-decoration: none; white-space: nowrap; }
.logo .mark { width: 30px; height: 30px; flex: none; }
.logo .mark svg { width: 100%; height: 100%; display: block; }
.links { display: flex; gap: 4px; font-size: 0.92rem; font-weight: 500; color: var(--ink-2); }
.links a { text-decoration: none; padding: 6px 12px; border-radius: 8px; }
.links a:hover { color: var(--ink); background: var(--panel); }
.links a[aria-current="page"] { color: var(--ink); background: var(--panel-2); }
.menu { position: relative; }
.menu > button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; padding: 6px 12px; border-radius: 8px; display: inline-flex; align-items: center; gap: 6px; }
.menu > button svg { width: 11px; height: 11px; transition: transform .15s ease; }
.menu > button:hover, .menu:focus-within > button, .menu.open > button { color: var(--ink); background: var(--panel); }
.menu:hover > button svg, .menu:focus-within > button svg, .menu.open > button svg { transform: rotate(180deg); }
.menu.current > button { color: var(--ink); background: var(--panel-2); }
.dropdown { display: none; position: absolute; top: calc(100% + 6px); right: 0; min-width: 280px; padding: 6px; border: 1px solid var(--edge-2); border-radius: 12px; background: var(--bg-2); box-shadow: 0 24px 48px -24px rgba(0,0,0,0.9); }
.dropdown::before { content: ""; position: absolute; top: -8px; left: 0; right: 0; height: 8px; }   /* keeps hover alive across the gap */
.menu:hover .dropdown, .menu:focus-within .dropdown, .menu.open .dropdown { display: block; }
.dropdown a { display: flex; flex-direction: column; gap: 2px; padding: 10px 12px; border-radius: 8px; }
.dropdown a b { color: var(--ink); font-weight: 600; }
.dropdown a small { color: var(--mute); font-size: 0.8rem; }
.dropdown a:hover, .dropdown a[aria-current="page"] { background: var(--panel-2); }

/* ---- buttons ---- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 10px 18px; border-radius: 8px; font: inherit; font-weight: 600; font-size: 0.93rem; text-decoration: none; border: 1px solid var(--edge-2); color: var(--ink); background: var(--panel); cursor: pointer; }
.btn:hover { background: var(--panel-2); }
.btn.gold { background: var(--brass); border-color: var(--brass); color: #1b1403; transition: box-shadow .2s ease, background .2s ease; }
.btn.gold:hover { box-shadow: 0 0 28px rgba(217,180,90,0.35); background: var(--brass-2); }
.btn[disabled] { opacity: 0.6; cursor: default; box-shadow: none; }

/* ---- hero ---- */
.hero { position: relative; padding-block: 88px 56px; overflow: hidden; }
.hero::before { content: ""; position: absolute; left: 50%; top: -240px; width: 900px; height: 600px; transform: translateX(-50%); pointer-events: none;
  background: radial-gradient(closest-side, rgba(217,180,90,0.16), transparent 70%); }
.hero .wrap { position: relative; text-align: center; }
.hero.left .wrap { text-align: left; }
.hero h1 { font-size: clamp(2.3rem, 6vw, 4.4rem); line-height: 1.02; font-weight: 700; margin: 18px auto 22px; max-width: 16ch; }
.hero.left h1 { margin-inline: 0; max-width: 20ch; }
.hero h1 span { color: var(--brass-2); }
.hero p { font-size: 1.15rem; color: var(--ink-2); max-width: 58ch; margin: 0 auto 32px; }
.hero.left p { margin-inline: 0; }
.actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.hero.left .actions { justify-content: flex-start; }
.hero small { display: block; color: var(--mute); font-size: 0.86rem; margin-top: 14px; }

/* digest strip */
.digest { margin: 64px auto 0; max-width: 880px; border: 1px solid var(--edge); border-radius: 14px; background: linear-gradient(180deg, var(--panel-2), var(--panel)); padding: 18px 22px; text-align: left; display: grid; grid-template-columns: auto 1fr auto; gap: 18px; align-items: center; }
.digest .k { font-family: var(--mono); font-size: 0.7rem; color: var(--mute); letter-spacing: 0.08em; text-transform: uppercase; }
.digest .v { font-family: var(--mono); font-size: 0.86rem; color: var(--brass-2); word-break: break-all; }
.digest .ok { display: inline-flex; align-items: center; gap: 8px; font-size: 0.82rem; font-weight: 600; color: var(--ok); white-space: nowrap; }
.digest .ok::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--ok); box-shadow: 0 0 12px var(--ok); }
.digest-cap { text-align: center; color: var(--mute); font-size: 0.8rem; margin-top: 10px; }

/* ---- sections ---- */
section { padding-block: 84px; }
section.band { border-block: 1px solid var(--edge); background: rgba(15,23,42,0.6); }
.sec-head { max-width: 62ch; margin-bottom: 40px; }
.sec-head p { color: var(--ink-2); margin: 0; font-size: 1.05rem; }
.cites { display: flex; flex-wrap: wrap; gap: 10px; }
.cites code { font-family: var(--mono); font-size: 0.8rem; padding: 6px 12px; border-radius: 999px; border: 1px solid var(--edge-2); background: var(--panel); color: var(--ink-2); }

.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.grid.two { grid-template-columns: repeat(2, 1fr); }
.card { border: 1px solid var(--edge); border-radius: 16px; background: var(--panel); padding: 26px; display: flex; flex-direction: column; gap: 10px; position: relative; overflow: hidden; }
.card::after { content: ""; position: absolute; inset: 0 auto auto 0; width: 100%; height: 1px; background: linear-gradient(90deg, transparent, rgba(240,214,138,0.5), transparent); }
.card h3 { font-size: 1.2rem; font-weight: 600; }
.card p { margin: 0; color: var(--ink-2); font-size: 0.96rem; }
.card .n { font-family: var(--mono); color: var(--brass); font-size: 0.78rem; }
.card.link { text-decoration: none; transition: border-color .15s ease, background .15s ease; }
.card.link:hover { border-color: var(--edge-2); background: var(--panel-2); }
.card .go { margin-top: auto; padding-top: 8px; color: var(--brass-2); font-weight: 600; font-size: 0.9rem; }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.split.top { align-items: start; }
.split p { color: var(--ink-2); margin: 0 0 20px; }
.split p:last-child { margin-bottom: 0; }
.split.flip > :first-child { order: 2; }

/* feature rows on the product view */
.feature { display: grid; grid-template-columns: 5fr 7fr; gap: 48px; align-items: start; }
.feature-sec { padding-block: 64px; }
.feature h3 { font-size: 1.45rem; font-weight: 600; margin: 10px 0 10px; }
.feature p { color: var(--ink-2); margin: 0; }
.feature .cap { color: var(--mute); font-size: 0.8rem; margin-top: 10px; text-align: center; }
.feature.flip > :first-child { order: 2; }

/* facts list */
.facts { margin: 0; border-top: 1px solid var(--edge-2); }
.facts div { display: grid; grid-template-columns: 140px 1fr; gap: 14px; padding: 13px 0; border-bottom: 1px solid var(--edge); font-size: 0.95rem; }
.facts dt { font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--mute); padding-top: 3px; }
.facts dd { margin: 0; }

/* integrity list */
.integrity { max-width: none; padding-left: 0; list-style: none; display: grid; gap: 14px; margin: 0; }
.integrity li { display: grid; grid-template-columns: 22px 1fr; gap: 12px; color: var(--ink-2); }
.integrity li::before { content: ""; width: 10px; height: 10px; border-radius: 3px; background: var(--brass); margin-top: 9px; }
.integrity li b { color: var(--ink); }

/* closing CTA */
.cta .wrap { border: 1px solid var(--edge-2); border-radius: 20px; padding: 48px; text-align: center; background: radial-gradient(80% 120% at 50% 0%, rgba(217,180,90,0.14), transparent 60%), var(--panel); }
.cta p { color: var(--ink-2); max-width: 54ch; margin: 0 auto 26px; }

/* =================== product surfaces =================== */

/* the console (dashboard) */
.frame { border: 1px solid var(--edge-2); border-radius: 14px; background: var(--bg-3); box-shadow: 0 40px 80px -40px rgba(0,0,0,0.9); overflow: hidden; text-align: left; }
.frame .bar { display: flex; align-items: center; gap: 6px; padding: 10px 14px; border-bottom: 1px solid var(--edge); background: var(--bg-2); }
.frame .bar i { width: 10px; height: 10px; border-radius: 50%; background: var(--edge-2); display: inline-block; }
.frame .bar span { margin-left: 10px; font-family: var(--mono); font-size: 0.72rem; color: var(--mute); }
.console { display: grid; grid-template-columns: 160px 1fr; min-height: 320px; }
.side { background: #0a1020; border-right: 1px solid var(--edge); color: var(--ink-2); padding: 16px 12px; font-size: 0.78rem; font-weight: 500; display: flex; flex-direction: column; gap: 4px; }
.side b { color: var(--brass-2); font-family: var(--display); font-size: 0.95rem; margin-bottom: 10px; display: block; }
.side div { padding: 7px 10px; border-radius: 7px; }
.side .on { background: var(--panel-2); color: var(--ink); }
.main { padding: 16px; }
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-bottom: 12px; }
.stat { background: var(--panel); border: 1px solid var(--edge); border-radius: 10px; padding: 10px 12px; }
.stat small { display: block; font-size: 0.66rem; color: var(--mute); font-weight: 600; text-transform: uppercase; letter-spacing: 0.06em; }
.stat b { font-family: var(--display); font-size: 1.4rem; font-weight: 600; font-variant-numeric: tabular-nums; }
.rows { border: 1px solid var(--edge); border-radius: 10px; overflow: hidden; }
.row { display: grid; grid-template-columns: 1.3fr 1fr auto; gap: 10px; align-items: center; padding: 9px 12px; border-top: 1px solid var(--edge); font-size: 0.78rem; }
.row:first-child { border-top: 0; background: var(--panel); color: var(--mute); font-weight: 600; font-size: 0.66rem; text-transform: uppercase; letter-spacing: 0.06em; }
.row .m { font-family: var(--mono); color: var(--ink-2); font-size: 0.72rem; }
.chip { font-size: 0.68rem; font-weight: 600; padding: 3px 9px; border-radius: 999px; white-space: nowrap; border: 1px solid transparent; }
.chip.ok { color: var(--ok); border-color: rgba(92,196,138,0.4); background: rgba(92,196,138,0.1); }
.chip.warn { color: var(--warn); border-color: rgba(240,179,90,0.4); background: rgba(240,179,90,0.1); }
.chip.info { color: var(--ink-2); border-color: var(--edge-2); background: var(--panel); }
.frame-cap { text-align: center; color: var(--mute); font-size: 0.8rem; margin-top: 10px; }

/* the timeline terminal */
.term { border: 1px solid var(--edge-2); border-radius: 12px; background: var(--bg-3); font-family: var(--mono); font-size: 0.8rem; line-height: 1.7; padding: 18px 20px; color: var(--ink-2); box-shadow: 0 30px 60px -30px rgba(0,0,0,0.8); text-align: left; }
.term .bar { display: flex; gap: 6px; margin-bottom: 12px; } .term .bar i { width: 10px; height: 10px; border-radius: 50%; background: var(--edge-2); }
.term .t { color: var(--mute); } .term .ev { color: var(--ink); } .term .g { color: var(--ok); } .term .w { color: var(--warn); } .term .b { color: var(--brass-2); }

/* paper: a rendered page from the product (letter, enclosure, evidence record) */
.paper { background: var(--paper); color: var(--paper-ink); border-radius: 6px; padding: 26px 28px; font-size: 0.82rem; line-height: 1.5; box-shadow: 0 30px 60px -30px rgba(0,0,0,0.9), 0 0 0 1px rgba(255,255,255,0.08); text-align: left; position: relative; }
.paper::before { content: ""; position: absolute; inset: 8px; border: 1px solid var(--paper-rule); pointer-events: none; border-radius: 3px; }
.paper .ph { display: flex; justify-content: space-between; align-items: baseline; border-bottom: 2px solid var(--paper-ink); padding-bottom: 8px; margin-bottom: 12px; }
.paper .ph b { font-family: var(--display); font-size: 1rem; font-weight: 600; }
.paper .ph span { font-family: var(--mono); font-size: 0.7rem; color: var(--paper-mute); }
.paper .k { font-family: var(--mono); font-size: 0.66rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--paper-brass); }
.paper table { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; }
.paper td { padding: 6px 0; border-bottom: 1px solid var(--paper-rule); vertical-align: top; color: var(--paper-ink-2); }
.paper td:first-child { font-family: var(--mono); font-size: 0.7rem; color: var(--paper-mute); width: 5.2em; white-space: nowrap; }
.paper td b, .paper p b { color: var(--paper-ink); font-weight: 600; }
.paper p { margin: 0 0 8px; color: var(--paper-ink-2); }
.paper .box { display: grid; grid-template-columns: 1fr 1fr; gap: 6px 14px; border: 1px solid var(--paper-rule); padding: 10px 12px; margin: 10px 0; }
.paper .box span { color: var(--paper-mute); font-size: 0.72rem; } .paper .box b { display: block; }
.paper .chk { display: grid; gap: 4px; margin: 8px 0 10px; color: var(--paper-ink-2); }
.paper .chk div::before { content: "☐"; margin-right: 8px; color: var(--paper-mute); }
.paper .chk div.on::before { content: "☑"; color: var(--paper-brass); }
.paper .sig { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 12px; }
.paper .sig div { border-top: 1px solid var(--paper-ink); padding-top: 4px; font-size: 0.68rem; color: var(--paper-mute); }
.paper .sig div i { display: block; font-style: italic; font-family: Georgia, serif; font-size: 1rem; color: var(--paper-ink); margin-top: -22px; margin-bottom: 4px; }
.paper .digest-l { margin-top: 10px; font-family: var(--mono); font-size: 0.66rem; color: var(--paper-ink-2); word-break: break-all; }
.paper:has(.stamp) { padding-top: 52px; }
.paper .stamp { position: absolute; right: 22px; top: 18px; font-family: var(--mono); font-size: 0.62rem; letter-spacing: 0.1em; color: var(--paper-brass); border: 1.5px solid var(--paper-brass); padding: 3px 7px; border-radius: 3px; transform: rotate(4deg); opacity: 0.9; }

/* ---- contact form ---- */
.contact-grid { max-width: 720px; margin: 0 auto; }
.contact { border: 1px solid var(--edge-2); border-radius: 16px; background: var(--panel); padding: 28px; }
.contact .row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.contact label { display: block; font-size: 0.84rem; font-weight: 600; color: var(--ink); margin: 0 0 6px; }
.contact label .opt { font-weight: 400; color: var(--mute); }
.contact .field { margin-bottom: 16px; }
.contact input, .contact select, .contact textarea { width: 100%; font: inherit; font-size: 0.98rem; color: var(--ink); padding: 10px 12px; border: 1px solid var(--edge-2); border-radius: 8px; background: var(--bg-3); }
.contact input:focus, .contact select:focus, .contact textarea:focus { outline: 2px solid var(--brass); outline-offset: 1px; border-color: var(--brass); }
.contact textarea { min-height: 140px; resize: vertical; }
.contact .hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.contact button { width: 100%; }
.contact .status { margin: 14px 0 0; font-size: 0.95rem; min-height: 1.4em; text-align: center; }
.contact .status.ok { color: var(--ok); font-weight: 600; }
.contact .status.err { color: var(--err); }
.contact .fine { margin: 14px 0 0; font-size: 0.84rem; color: var(--mute); text-align: center; }

/* ---- prose (privacy) ---- */
.prose { max-width: 70ch; }
.prose h2 { font-size: 1.3rem; font-weight: 600; margin: 34px 0 10px; }
.prose p, .prose li { color: var(--ink-2); }
.prose ul { padding-left: 20px; }

/* ---- footer ---- */
footer { padding-block: 40px; color: var(--mute); font-size: 0.86rem; border-top: 1px solid var(--edge); }
footer .wrap { display: flex; flex-wrap: wrap; gap: 12px 32px; justify-content: space-between; }
footer nav { display: flex; gap: 22px; } footer a { text-decoration: none; color: var(--ink-2); }

/* ---- responsive ---- */
@media (max-width: 900px) {
  .grid, .grid.two, .split, .feature { grid-template-columns: 1fr; }
  .split.flip > :first-child, .feature.flip > :first-child { order: 0; }
  .digest { grid-template-columns: 1fr; gap: 8px; }
  .links { font-size: 0.88rem; }
}
@media (max-width: 560px) {
  .hero { padding-block: 60px 44px; } section { padding-block: 60px; }
  .cta .wrap { padding: 32px 20px; }
  .facts div { grid-template-columns: 1fr; gap: 2px; }
  .stats { grid-template-columns: 1fr 1fr; }
  .console { grid-template-columns: 1fr; } .side { flex-direction: row; flex-wrap: wrap; border-right: 0; border-bottom: 1px solid var(--edge); } .side b { flex-basis: 100%; }
  .contact { padding: 22px 18px; } .contact .row2 { grid-template-columns: 1fr; gap: 0; }
  .paper { padding: 20px 18px; } .paper .box, .paper .sig { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } [data-view] { animation: none; } .btn.gold { transition: none; } }