/* ==========================================================================
   Owlforge Overnight — Clockwork-Owl Visual Identity
   Palette: midnight navy, aged brass, blueprint grid, amber glow
   No external fonts, scripts, or remote assets.
   ========================================================================== */

:root {
  /* Core palette */
  --ink-900: #05080f;        /* deep midnight */
  --ink-800: #0a1020;        /* base navy */
  --ink-700: #11182e;        /* panel navy */
  --ink-600: #1b2440;        /* border navy */
  --ink-500: #2a3556;
  --paper:   #e8e3d2;        /* aged vellum */
  --paper-2: #c9c1a6;        /* dimmed parchment */
  --brass:   #b8893f;        /* aged brass */
  --brass-2: #8a6526;        /* deeper brass */
  --brass-h: #d6a85e;        /* brass highlight */
  --amber:   #f0b452;        /* restrained amber */
  --amber-2: #c47b22;        /* deep amber */
  --rust:    #a14b2a;        /* rust accent */
  --teal:    #5fa39b;        /* blueprint teal */
  --grid:    rgba(184, 137, 63, 0.10);   /* blueprint grid line */
  --grid-2:  rgba(184, 137, 63, 0.04);
  --success: #6fae6c;
  --warning: #d4a44a;
  --danger:  #c46a5c;
  --pending: #8b95a6;

  /* Typography */
  --font-serif: "Iowan Old Style", "Palatino Linotype", Palatino, "URW Palladio L",
                "Book Antiqua", Georgia, "Times New Roman", serif;
  --font-sans:  -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui,
                "Helvetica Neue", Arial, sans-serif;
  --font-mono:  "SF Mono", "JetBrains Mono", "Fira Code", Menlo, Consolas, monospace;

  --radius: 2px;
  --shadow: 0 1px 0 rgba(0,0,0,0.4), 0 0 0 1px rgba(0,0,0,0.2);
  --glow:   0 0 14px rgba(240, 180, 82, 0.18);
}

/* ---------- Reset & base ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

html {
  background: var(--ink-900);
  color: var(--paper);
  -webkit-text-size-adjust: 100%;
  text-rendering: optimizeLegibility;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.55;
  background-color: var(--ink-900);
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px),
    linear-gradient(var(--grid-2) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-2) 1px, transparent 1px);
  background-size: 96px 96px, 96px 96px, 16px 16px, 16px 16px;
  background-position: -1px -1px, -1px -1px, -1px -1px, -1px -1px;
  min-height: 100vh;
}

h1, h2, h3, h4 {
  font-family: var(--font-serif);
  color: var(--paper);
  letter-spacing: 0.01em;
  margin: 0 0 0.5em;
  font-weight: 600;
}

h1 { font-size: clamp(1.8rem, 4vw, 2.6rem); line-height: 1.15; }
h2 { font-size: clamp(1.35rem, 2.6vw, 1.75rem); }
h3 { font-size: 1.15rem; color: var(--brass-h); }
h4 { font-size: 1rem; color: var(--paper-2); text-transform: uppercase; letter-spacing: 0.12em; }

p  { margin: 0 0 1em; }
a  { color: var(--brass-h); text-decoration: none; border-bottom: 1px dotted var(--brass-2); }
a:hover, a:focus { color: var(--amber); border-bottom-style: solid; outline: none; }

code, pre, kbd, samp {
  font-family: var(--font-mono);
  font-size: 0.92em;
}
pre {
  background: var(--ink-800);
  border: 1px solid var(--ink-600);
  border-left: 3px solid var(--brass-2);
  padding: 0.8em 1em;
  overflow-x: auto;
  border-radius: var(--radius);
}
code { color: var(--amber); }

hr {
  border: 0;
  border-top: 1px dashed var(--ink-500);
  margin: 2rem 0;
}

/* ---------- Layout primitives ---------- */
.wrap { max-width: 1180px; margin: 0 auto; padding: 0 1.4rem; }
.wrap-narrow { max-width: 760px; margin: 0 auto; padding: 0 1.4rem; }

main { padding: 2rem 0 4rem; }

header.site-header {
  border-bottom: 1px solid var(--ink-600);
  background:
    linear-gradient(180deg, rgba(11,16,32,0.95), rgba(11,16,32,0.85)),
    repeating-linear-gradient(45deg, var(--grid-2) 0 2px, transparent 2px 8px);
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(6px);
}

.site-header .bar {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: var(--paper);
  border: none;
}
.brand:hover, .brand:focus { color: var(--amber); border: none; }
.brand .mark { width: 36px; height: 36px; }

nav.primary {
  margin-left: auto;
  display: flex;
  gap: 0.25rem;
  flex-wrap: wrap;
}
nav.primary a {
  border: 1px solid transparent;
  padding: 0.35rem 0.75rem;
  font-size: 0.92rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--paper-2);
}
nav.primary a:hover,
nav.primary a:focus,
nav.primary a[aria-current="page"] {
  color: var(--paper);
  border-color: var(--ink-600);
  background: var(--ink-800);
}

footer.site-footer {
  border-top: 1px solid var(--ink-600);
  margin-top: 4rem;
  padding: 2rem 0;
  font-size: 0.88rem;
  color: var(--paper-2);
  background: var(--ink-900);
}
footer .row { display: flex; flex-wrap: wrap; gap: 2rem; }
footer .col { flex: 1 1 220px; }
footer .col h4 { color: var(--brass-h); }
footer .meta { font-family: var(--font-mono); font-size: 0.78rem; opacity: 0.8; }

/* ---------- Hero ---------- */
.hero {
  padding: 3rem 0 2rem;
  border-bottom: 1px solid var(--ink-600);
  position: relative;
}
.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.2rem);
  margin-bottom: 0.4rem;
}
.hero .lede {
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--paper-2);
  font-size: 1.15rem;
  max-width: 60ch;
}
.hero .meta-strip {
  margin-top: 1.4rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1.4rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--paper-2);
}
.hero .meta-strip span strong { color: var(--brass-h); margin-right: 0.4em; }

/* ---------- Cards / panels ---------- */
.panel {
  background: linear-gradient(180deg, var(--ink-800), var(--ink-700));
  border: 1px solid var(--ink-600);
  border-radius: var(--radius);
  padding: 1.2rem 1.4rem;
  box-shadow: var(--shadow);
}
.panel + .panel { margin-top: 1rem; }
.panel header {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; margin-bottom: 0.6rem;
}
.panel header h2, .panel header h3 { margin: 0; }

.grid {
  display: grid;
  gap: 1.2rem;
}
.grid.cols-2 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.grid.cols-3 { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.grid.cols-4 { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }

/* ---------- Project card grid (landing) ---------- */
.projects {
  margin-top: 2rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.4rem;
}
.project-card {
  background: var(--ink-800);
  border: 1px solid var(--ink-600);
  border-top: 3px solid var(--brass-2);
  padding: 1.2rem;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  transition: transform 0.15s ease, border-color 0.15s ease;
}
.project-card:hover {
  transform: translateY(-2px);
  border-top-color: var(--amber);
}
.project-card h3 { margin: 0; font-family: var(--font-serif); }
.project-card .lead { color: var(--paper-2); font-size: 0.95rem; margin: 0; }
.project-card .footer-row {
  margin-top: auto;
  display: flex; align-items: center; justify-content: space-between;
  font-family: var(--font-mono); font-size: 0.78rem; color: var(--paper-2);
}
.project-card .footer-row a { border: none; }
.project-card .crest { width: 60px; height: 60px; align-self: flex-end; opacity: 0.9; }

/* ---------- Status badges ---------- */
.badge {
  display: inline-block;
  padding: 0.18rem 0.55rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border: 1px solid var(--ink-500);
  border-radius: var(--radius);
  color: var(--paper-2);
  background: var(--ink-700);
}
.badge::before {
  content: "";
  display: inline-block;
  width: 8px; height: 8px;
  border-radius: 50%;
  margin-right: 0.4em;
  vertical-align: 1px;
  background: var(--pending);
  box-shadow: 0 0 0 2px rgba(139,149,166,0.18);
}
.badge.preregistered { color: var(--paper-2); }
.badge.preregistered::before { background: var(--teal); box-shadow: 0 0 0 2px rgba(95,163,155,0.25); }

.badge.running { color: var(--brass-h); border-color: var(--brass-2); }
.badge.running::before {
  background: var(--amber);
  box-shadow: 0 0 0 2px rgba(240,180,82,0.30);
  animation: pulse 1.6s ease-in-out infinite;
}

.badge.completed { color: var(--success); border-color: rgba(111,174,108,0.4); }
.badge.completed::before { background: var(--success); box-shadow: 0 0 0 2px rgba(111,174,108,0.25); }

.badge.failed { color: var(--danger); border-color: rgba(196,106,92,0.4); }
.badge.failed::before { background: var(--danger); box-shadow: 0 0 0 2px rgba(196,106,92,0.25); }

.badge.pending { color: var(--pending); border-color: var(--ink-500); }
.badge.pending::before { background: var(--pending); }

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%      { opacity: 0.55; transform: scale(0.85); }
}

/* ---------- Metric table ---------- */
.metrics {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-mono);
  font-size: 0.88rem;
}
.metrics th, .metrics td {
  text-align: left;
  padding: 0.5rem 0.7rem;
  border-bottom: 1px dashed var(--ink-500);
  vertical-align: top;
}
.metrics th {
  color: var(--brass-h);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.74rem;
  border-bottom: 1px solid var(--ink-600);
}
.metrics tr:hover td { background: rgba(184,137,63,0.04); }
.metrics .num   { text-align: right; color: var(--paper); }
.metrics .pending { color: var(--pending); font-style: italic; }
.metrics .unit  { color: var(--paper-2); font-size: 0.82em; margin-left: 0.2em; }

/* ---------- Schematic / diagram ---------- */
.schematic {
  display: flex;
  justify-content: center;
  align-items: center;
  background: var(--ink-900);
  border: 1px solid var(--ink-600);
  padding: 1rem;
  border-radius: var(--radius);
}
.schematic svg { width: 100%; height: auto; max-width: 520px; }

/* ---------- Lists / timeline ---------- */
ul.timeline {
  list-style: none;
  padding: 0;
  margin: 0;
  border-left: 1px dashed var(--ink-500);
}
ul.timeline li {
  padding: 0.4rem 0 0.7rem 1rem;
  position: relative;
}
ul.timeline li::before {
  content: "";
  position: absolute;
  left: -5px; top: 0.7rem;
  width: 9px; height: 9px;
  background: var(--brass);
  border-radius: 50%;
  border: 2px solid var(--ink-900);
}
ul.timeline time {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--brass-h);
  display: block;
  margin-bottom: 0.2rem;
}

/* ---------- Footer / privacy block ---------- */
.privacy {
  font-size: 0.88rem;
  color: var(--paper-2);
  background: rgba(11,16,32,0.6);
  border-left: 3px solid var(--brass-2);
  padding: 1rem 1.2rem;
  margin-top: 2rem;
}
.privacy h4 { margin-top: 0; }

/* ---------- Skip link / a11y ---------- */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--brass);
  color: var(--ink-900);
  padding: 0.5rem 1rem;
  font-weight: 600;
  z-index: 100;
}
.skip-link:focus { left: 1rem; top: 1rem; }

:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 2px;
}

/* ---------- Visually hidden ---------- */
.vh {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

/* ---------- Mobile ---------- */
@media (max-width: 720px) {
  nav.primary { margin-left: 0; width: 100%; }
  nav.primary a { padding: 0.3rem 0.55rem; font-size: 0.82rem; }
  .hero { padding: 2rem 0 1.4rem; }
  .panel { padding: 1rem; }
}

/* ---------- Print ---------- */
@media print {
  body { background: #fff; color: #000; }
  nav.primary, .badge::before { display: none; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}