/* fonts: self-hosted from Google Fonts (SIL OFL), latin + greek subsets */
@font-face { font-family: 'IBM Plex Sans'; font-style: normal; font-weight: 400 600; font-display: swap; src: url(/fonts/plex-sans-latin.woff2) format('woff2'); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }
@font-face { font-family: 'IBM Plex Sans'; font-style: normal; font-weight: 400 600; font-display: swap; src: url(/fonts/plex-sans-greek.woff2) format('woff2'); unicode-range: U+0370-0377, U+037A-037F, U+0384-038A, U+038C, U+038E-03A1, U+03A3-03FF; }
@font-face { font-family: 'IBM Plex Mono'; font-style: normal; font-weight: 400; font-display: swap; src: url(/fonts/plex-mono-400-latin.woff2) format('woff2'); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }
@font-face { font-family: 'IBM Plex Mono'; font-style: normal; font-weight: 500; font-display: swap; src: url(/fonts/plex-mono-500-latin.woff2) format('woff2'); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }
@font-face { font-family: 'IBM Plex Mono'; font-style: normal; font-weight: 600; font-display: swap; src: url(/fonts/plex-mono-600-latin.woff2) format('woff2'); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }
@font-face { font-family: 'Sora'; font-style: normal; font-weight: 600; font-display: swap; src: url(/fonts/sora-600-latin.woff2) format('woff2'); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }
*, *::before, *::after { box-sizing: border-box; }
html { background: var(--bg); scroll-padding-top: 84px; }
body { margin: 0; }
a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-ink); }
a:focus-visible, button:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.hero-navy a:focus-visible, .contact a:focus-visible { outline-color: var(--amber); }
.skip-link { position: absolute; left: 12px; top: -100px; z-index: 10; background: var(--panel); color: var(--accent-ink); padding: 10px 16px; border-radius: 8px; font-weight: 600; box-shadow: var(--shadow); }
.skip-link:focus { top: 12px; }
:root {
  --bg: oklch(0.972 0.003 250); --panel: #ffffff; --panel-2: oklch(0.985 0.002 250);
  --band: oklch(0.945 0.006 252);
  --ink: oklch(0.30 0.014 258); --ink-2: oklch(0.47 0.014 258); --ink-3: oklch(0.52 0.013 258);
  --line: oklch(0.925 0.005 258); --line-2: oklch(0.875 0.007 258);
  --accent: oklch(0.52 0.12 252); --accent-ink: oklch(0.42 0.12 252); --accent-soft: oklch(0.955 0.022 252);
  --on-accent: #ffffff;
  --navy: #14305C; --navy-deep: #0B1A33; --amber: #F2A93B; --mist: #EAF0F8; --steel: #9FB2D1;
  --green: oklch(0.50 0.112 152); --green-soft: oklch(0.955 0.030 152);
  --warn: oklch(0.52 0.116 72); --warn-soft: oklch(0.962 0.045 78);
  --red: oklch(0.52 0.150 26); --red-soft: oklch(0.958 0.032 26);
  --shadow: 0 1px 2px oklch(0.3 0.02 258 / 0.06), 0 12px 32px oklch(0.3 0.02 258 / 0.08);
  color-scheme: light;
}
[data-theme="dark"] {
  --bg: oklch(0.185 0.008 258); --panel: oklch(0.225 0.009 258); --panel-2: oklch(0.245 0.010 258);
  --band: oklch(0.21 0.009 258);
  --ink: oklch(0.925 0.006 258); --ink-2: oklch(0.78 0.010 258); --ink-3: oklch(0.65 0.012 258);
  --line: oklch(0.315 0.011 258); --line-2: oklch(0.375 0.012 258);
  --accent: oklch(0.72 0.105 252); --accent-ink: oklch(0.82 0.090 252); --accent-soft: oklch(0.315 0.045 252);
  --on-accent: oklch(0.2 0.02 258);
  --green: oklch(0.75 0.115 152); --green-soft: oklch(0.315 0.042 152);
  --warn: oklch(0.78 0.115 78); --warn-soft: oklch(0.325 0.048 72);
  --red: oklch(0.72 0.145 26); --red-soft: oklch(0.325 0.055 26);
  --shadow: 0 1px 2px #0006, 0 12px 32px #0007;
  color-scheme: dark;
}
/* follow the OS theme; set data-theme="light" or "dark" on <html> to force one */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: oklch(0.185 0.008 258); --panel: oklch(0.225 0.009 258); --panel-2: oklch(0.245 0.010 258);
    --band: oklch(0.21 0.009 258);
    --ink: oklch(0.925 0.006 258); --ink-2: oklch(0.78 0.010 258); --ink-3: oklch(0.65 0.012 258);
    --line: oklch(0.315 0.011 258); --line-2: oklch(0.375 0.012 258);
    --accent: oklch(0.72 0.105 252); --accent-ink: oklch(0.82 0.090 252); --accent-soft: oklch(0.315 0.045 252);
    --on-accent: oklch(0.2 0.02 258);
    --green: oklch(0.75 0.115 152); --green-soft: oklch(0.315 0.042 152);
    --warn: oklch(0.78 0.115 78); --warn-soft: oklch(0.325 0.048 72);
    --red: oklch(0.72 0.145 26); --red-soft: oklch(0.325 0.055 26);
    --shadow: 0 1px 2px #0006, 0 12px 32px #0007;
    color-scheme: dark;
  }
}
.site { background: var(--bg); color: var(--ink); font-family: 'IBM Plex Sans', system-ui, sans-serif; font-size: 16px; line-height: 1.55; min-height: 100%; }
.wrap { max-width: 1200px; margin: 0 auto; padding-inline: 24px; }
.mono { font-family: 'IBM Plex Mono', ui-monospace, monospace; }
.eyebrow { font-family: 'IBM Plex Mono', ui-monospace, monospace; font-size: 12px; font-weight: 500; letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent-ink); margin: 0; }
h1, h2, h3, p { margin: 0; }
h1, h2 { font-family: 'Sora', 'IBM Plex Sans', system-ui, sans-serif; }
h1 { font-size: clamp(32px, 4.8vw, 54px); line-height: 1.1; letter-spacing: -0.025em; font-weight: 600; text-wrap: balance; }
h2 { font-size: clamp(25px, 3vw, 36px); line-height: 1.18; letter-spacing: -0.02em; font-weight: 600; text-wrap: balance; }
h3 { font-size: 18px; line-height: 1.3; letter-spacing: -0.01em; font-weight: 600; }
.lead { font-size: clamp(17px, 1.6vw, 20px); line-height: 1.55; color: var(--ink-2); max-width: 60ch; text-wrap: pretty; }
.body { color: var(--ink-2); max-width: 62ch; text-wrap: pretty; }
.note { font-size: 13px; color: var(--ink-3); }
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 0 22px; border-radius: 8px; font-weight: 600; font-size: 15px; border: 1px solid transparent; }
.btn-primary { background: var(--accent); color: var(--on-accent); }
.btn-primary:hover { background: var(--accent-ink); color: var(--on-accent); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--line-2); }
.btn-ghost:hover { background: var(--panel); color: var(--ink); }
.btn-amber { background: var(--amber); color: var(--navy-deep); }
.btn-amber:hover { background: #ffbe5c; color: var(--navy-deep); }
.btn-light { background: transparent; color: #fff; border-color: rgba(255,255,255,0.35); }
.btn-light:hover { background: rgba(255,255,255,0.1); color: #fff; }
.cta-row { display: flex; gap: 12px; flex-wrap: wrap; }
/* nav */
.nav { position: sticky; top: 0; z-index: 5; background: var(--bg); border-bottom: 1px solid var(--line); font-family: 'IBM Plex Sans', system-ui, sans-serif; color: var(--ink); }
.nav-in { display: flex; align-items: center; gap: 24px; min-height: 68px; flex-wrap: wrap; padding-block: 8px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--ink); }
.brand:hover { color: var(--ink); }
.brand-name { font-family: 'Sora', 'IBM Plex Sans', sans-serif; font-weight: 600; font-size: 21px; letter-spacing: -0.02em; line-height: 1; }
.nav-links { display: flex; gap: 22px; flex-wrap: wrap; margin-left: auto; align-items: center; }
.nav-links a { color: var(--ink-2); font-size: 14.5px; font-weight: 500; }
.nav-links a:hover, .nav-links a[aria-current] { color: var(--ink); }
.nav-cta { min-height: 38px; padding: 0 16px; font-size: 14px; font-weight: 500; margin-left: -2px; }
/* sections */
.section { padding-block: 84px; }
.section-head { display: flex; flex-direction: column; gap: 14px; margin-bottom: 44px; }
.band { background: var(--band); border-block: 1px solid var(--line); }
.split { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 420px), 1fr)); gap: 56px; align-items: center; }
.stack { display: flex; flex-direction: column; gap: 22px; min-width: 0; }
.grid-4 { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 20px; }
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 310px), 1fr)); gap: 20px; }
.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 380px), 1fr)); gap: 20px; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 24px; display: flex; flex-direction: column; gap: 12px; min-width: 0; }
.card p { color: var(--ink-2); font-size: 15px; text-wrap: pretty; }
.card-link { color: var(--ink); transition: border-color 0.15s; }
.card-title { font-family: inherit; font-size: 18px; line-height: 1.3; letter-spacing: -0.01em; font-weight: 600; }
.card-link:hover { color: var(--ink); border-color: var(--accent); }
.more { margin-top: auto; padding-top: 6px; font-weight: 600; font-size: 14.5px; color: var(--accent); }
.glyph { width: 36px; height: 36px; border-radius: 8px; background: var(--accent-soft); color: var(--accent-ink); display: flex; align-items: center; justify-content: center; font-family: 'IBM Plex Mono', monospace; font-weight: 600; font-size: 15px; }
.ticks { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.ticks li { position: relative; padding-left: 20px; color: var(--ink-2); font-size: 14.5px; }
.ticks li::before { content: ""; position: absolute; left: 0; top: 0.62em; width: 8px; height: 2px; background: var(--accent); }
/* page hero (light) */
.page-hero { padding-block: 72px 56px; }
.page-hero .stack { max-width: 780px; }
/* navy home hero */
.hero-navy { background: var(--navy-deep); color: var(--mist); padding-block: 80px; }
.hero-navy .eyebrow { color: var(--amber); }
.hero-navy h1 { color: #fff; }
.hero-navy .lead { color: var(--steel); }
.hero-navy .note { color: var(--steel); }
.tiers { display: flex; flex-direction: column; align-items: center; gap: 8px; min-width: 0; }
.apex { width: 0; height: 0; border-left: 34px solid transparent; border-right: 34px solid transparent; border-bottom: 58px solid var(--amber); }
.tier { display: flex; flex-direction: column; gap: 2px; padding: 14px 20px; border-radius: 6px; text-align: center; color: var(--navy-deep); width: 100%; }
.tier b { font-family: 'Sora', sans-serif; font-weight: 600; font-size: 17px; letter-spacing: -0.01em; }
.tier span { font-size: 13px; opacity: 0.85; }
.tier-1 { background: var(--mist); max-width: 62%; }
.tier-2 { background: var(--mist); max-width: 82%; }
.tier-3 { background: var(--steel); max-width: 100%; }
.tier:hover { color: var(--navy-deep); filter: brightness(1.06); }
/* product panel */
.panel { background: var(--panel); border: 1px solid var(--line-2); border-radius: 12px; box-shadow: var(--shadow); overflow: hidden; min-width: 0; }
.panel-head { display: flex; align-items: center; gap: 10px; padding: 12px 16px; border-bottom: 1px solid var(--line); background: var(--panel-2); font-size: 12px; font-family: 'IBM Plex Mono', monospace; color: var(--ink-2); flex-wrap: wrap; }
.panel-head .tag { margin-left: auto; color: var(--ink-3); }
.std-row { padding: 16px; border-bottom: 1px solid var(--line); display: flex; flex-direction: column; gap: 10px; }
.std-row:last-child { border-bottom: 0; }
.std-top { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.std-name { font-weight: 600; font-size: 14.5px; }
.chip { display: inline-flex; align-items: center; gap: 6px; padding: 2px 9px; border-radius: 999px; font-size: 12px; font-weight: 600; margin-left: auto; }
.chip-ok { background: var(--green-soft); color: var(--green); }
.chip-warn { background: var(--warn-soft); color: var(--warn); }
.chip-bad { background: var(--red-soft); color: var(--red); }
.metrics { display: grid; grid-template-columns: repeat(auto-fit, minmax(110px, 1fr)); gap: 10px; }
.metric { background: var(--panel-2); border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px; display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.metric .k { font-size: 11px; letter-spacing: 0.05em; text-transform: uppercase; color: var(--ink-3); font-weight: 600; }
.metric .v { font-family: 'IBM Plex Mono', monospace; font-size: 15px; font-weight: 500; font-variant-numeric: tabular-nums; }
.v-ok { color: var(--green); } .v-warn { color: var(--warn); } .v-bad { color: var(--red); }
/* traceability chain */
.chain { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; }
.node { background: var(--panel); border: 1px solid var(--line-2); border-radius: 10px; padding: 18px; display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.node.result { border-color: var(--accent); background: var(--accent-soft); }
.node.result .role { color: var(--ink-2); }
.node .role { font-family: 'IBM Plex Mono', monospace; font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-3); }
.node .val { font-family: 'IBM Plex Mono', monospace; font-size: 14px; color: var(--ink-2); }
/* standards cards */
.std-card { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 24px; display: flex; flex-direction: column; gap: 10px; min-width: 0; }
.std-card .code { font-family: 'IBM Plex Mono', monospace; font-size: 13px; color: var(--accent-ink); font-weight: 600; }
.std-card .levels { font-family: 'Sora', sans-serif; font-size: 26px; font-weight: 600; letter-spacing: -0.02em; }
.std-card .body { font-size: 15px; }
.std-card .kv { font-family: 'IBM Plex Mono', monospace; font-size: 12.5px; color: var(--ink-2); line-height: 1.7; }
/* process steps */
.steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 20px; }
.step { display: flex; flex-direction: column; gap: 8px; padding-top: 16px; border-top: 2px solid var(--accent); min-width: 0; }
.step .n { font-family: 'IBM Plex Mono', monospace; font-size: 12px; color: var(--ink-3); letter-spacing: 0.08em; }
.step p { color: var(--ink-2); font-size: 15px; }
/* product lockup */
.product-brand { display: flex; align-items: center; gap: 12px; }
.product-name { font-size: 28px; letter-spacing: -0.01em; }
.product-name .lam { color: var(--accent); font-weight: 700; }
.product-name .rest { font-weight: 500; }
.tool-title { font-size: 22px; line-height: 1.3; letter-spacing: -0.01em; font-weight: 600; }
.chain-compact { grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); }
.dot-ok { color: var(--green); }
.note-after { margin-top: 20px; }
/* product screenshots: module tabs, then screen tabs, built from radio inputs (the site runs no JS).
   Each .mod / .scr wrapper is display: contents, so its label joins the tab row and its panel
   (flex-basis 100%) wraps below it. Only the panel after a checked radio is shown. */
.tab-radio { position: absolute; opacity: 0; width: 1px; height: 1px; pointer-events: none; }
.modules, .screens { display: flex; flex-wrap: wrap; align-items: center; }
.modules { gap: 8px; }
.screens { gap: 4px; }
.mod, .scr { display: contents; }
.mod-panel, .scr-panel { display: none; order: 1; flex-basis: 100%; min-width: 0; }
.tab-radio:checked ~ .mod-panel, .tab-radio:checked ~ .scr-panel { display: block; }
.mod-panel { margin-top: 20px; }
.scr-panel { margin-top: 16px; }
.mod-tab, .scr-tab { cursor: pointer; user-select: none; white-space: nowrap; transition: background-color 0.15s, color 0.15s, border-color 0.15s; }
.mod-tab { padding: 9px 18px; border: 1px solid var(--line-2); border-radius: 999px; background: var(--panel); color: var(--ink-2); font-size: 15px; font-weight: 600; }
.mod-tab:hover { border-color: var(--accent); color: var(--ink); }
.tab-radio:checked + .mod-tab { background: var(--accent); border-color: var(--accent); color: var(--on-accent); }
.scr-tab { padding: 6px 12px; border-radius: 8px; color: var(--ink-2); font-size: 14px; font-weight: 500; }
.scr-tab:hover { color: var(--ink); background: var(--panel); }
.tab-radio:checked + .scr-tab { background: var(--accent-soft); color: var(--accent-ink); }
.tab-radio:focus-visible + .mod-tab, .tab-radio:focus-visible + .scr-tab { outline: 2px solid var(--accent); outline-offset: 2px; }
.shot { margin: 0; display: flex; flex-direction: column; gap: 12px; min-width: 0; }
/* Frame drawn as a ring, not a border, so the image keeps its exact 1152 px width and maps 1:1 to its pixels. */
.shot a { display: block; border-radius: 10px; overflow: hidden; box-shadow: 0 0 0 1px var(--line-2), var(--shadow); background: var(--panel); transition: box-shadow 0.15s; }
.shot a:hover { box-shadow: 0 0 0 1px var(--accent), var(--shadow); }
.shot img { display: block; width: 100%; height: auto; }
.shot figcaption { font-size: 15px; color: var(--ink-2); max-width: 80ch; text-wrap: pretty; }
.shot figcaption strong { color: var(--ink); font-weight: 600; }
/* contact + footer */
.contact-section { padding-bottom: 56px; }
.contact { background: var(--navy); color: var(--mist); border-radius: 14px; padding: clamp(28px, 5vw, 56px); display: flex; flex-direction: column; gap: 18px; }
.contact .eyebrow { color: var(--amber); }
.contact h2 { color: #fff; }
.contact p { color: var(--steel); max-width: 56ch; }
.contact .email { display: inline-block; align-self: flex-start; background: var(--mist); color: var(--navy); font-family: 'IBM Plex Mono', monospace; font-size: 16px; font-weight: 500; padding: 12px 18px; border-radius: 8px; user-select: all; }
.footer { border-top: 1px solid var(--line); padding-block: 40px; color: var(--ink-3); font-size: 14px; font-family: 'IBM Plex Sans', system-ui, sans-serif; background: var(--bg); }
.footer-in { display: flex; gap: 32px; justify-content: space-between; align-items: center; flex-wrap: wrap; }
.footer-cols { display: flex; gap: 40px; flex-wrap: wrap; }
.footer-col { display: flex; flex-direction: column; gap: 8px; }
.footer-col b { font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-2); }
.footer-col a { color: var(--ink-3); }
.footer-col a:hover { color: var(--ink); }
.legal { margin-top: 28px; display: flex; gap: 16px; flex-wrap: wrap; font-size: 13px; }
@media (max-width: 640px) {
  .section { padding-block: 56px; } .split { gap: 36px; } .hero-navy { padding-block: 56px; }
  /* nav: logo + Contact on the first row, the three section links on a second row */
  html { scroll-padding-top: 124px; }
  .nav-in { gap: 0 16px; min-height: 0; padding-block: 10px 0; }
  .nav-cta { order: 2; margin-left: auto; }
  .nav-links { order: 3; width: 100%; margin-left: 0; gap: 0 20px; }
  .nav-links a { display: inline-block; padding-block: 10px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; scroll-behavior: auto !important; }
}