/* ==========================================================================
   Drake A. Joseph — engineering portfolio
   Design system: dark technical / aerospace documentation
   No build step, no dependencies. Edit tokens below to reskin the whole site.
   ========================================================================== */

:root {
  /* Surfaces */
  --bg:            #06070a;
  --bg-elev:       #0b0d12;
  --panel:         #0e1117;
  --panel-2:       #12161e;
  --line:          #1b202b;
  --line-strong:   #2a3140;

  /* Type */
  --text:          #e9edf4;
  --text-dim:      #a2acbd;
  --text-faint:    #6c7688;

  /* Accents */
  --accent:        #4cc2ff;
  --accent-dim:    #1d5f80;
  --accent-glow:   rgba(76, 194, 255, 0.14);
  --warn:          #ff7a45;
  --ok:            #46d6a0;

  /* Type scale */
  --font-sans: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;

  --maxw: 1180px;
  --gutter: 28px;
  --radius: 3px;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 84px; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* Faint engineering grid over the whole page */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image:
    linear-gradient(to right, rgba(255,255,255,0.022) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,0.022) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 120% 80% at 50% 0%, #000 30%, transparent 85%);
  -webkit-mask-image: radial-gradient(ellipse 120% 80% at 50% 0%, #000 30%, transparent 85%);
}

main, header, footer { position: relative; z-index: 1; }

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }

img, svg, canvas { max-width: 100%; display: block; }

h1, h2, h3, h4 {
  margin: 0 0 0.5em;
  line-height: 1.15;
  letter-spacing: -0.02em;
  font-weight: 600;
}

h1 { font-size: clamp(2.1rem, 5vw, 3.4rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.05rem); }
h3 { font-size: 1.18rem; }

p { margin: 0 0 1.1em; }

hr { border: 0; border-top: 1px solid var(--line); margin: 0; }

::selection { background: var(--accent); color: #04060a; }

/* ---------- Layout ---------- */

.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.section { padding: 92px 0; border-top: 1px solid var(--line); }
.section--tight { padding: 56px 0; }

.section-head {
  display: flex;
  align-items: baseline;
  gap: 18px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.section-head h2 { margin: 0; }

/* ---------- Mono utility labels ---------- */

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.685rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin: 0 0 14px;
  display: block;
}

.eyebrow--accent { color: var(--accent); }

.mono { font-family: var(--font-mono); }

.rule-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-faint);
  white-space: nowrap;
}

/* ---------- Header / nav ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(6, 7, 10, 0.82);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 62px;
  gap: 20px;
}

.brand {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 10px;
  white-space: nowrap;
}
.brand:hover { text-decoration: none; color: var(--accent); }

.brand-mark {
  width: 15px; height: 15px;
  border: 1.5px solid var(--accent);
  position: relative;
  flex: none;
  transform: rotate(45deg);
}
.brand-mark::after {
  content: "";
  position: absolute;
  inset: 3px;
  background: var(--accent);
  opacity: 0.55;
}

.nav {
  display: flex;
  align-items: center;
  gap: 26px;
}

.nav a {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-dim);
}
.nav a:hover { color: var(--text); text-decoration: none; }
.nav a.is-active { color: var(--accent); }

.nav-toggle { display: none; }

@media (max-width: 760px) {
  .nav { gap: 16px; }
  .nav a { font-size: 0.68rem; letter-spacing: 0.06em; }
  .brand span.brand-text { display: none; }
}

/* ---------- Hero ---------- */

.hero {
  position: relative;
  padding: 108px 0 84px;
  overflow: hidden;
}

.hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  opacity: 0.55;
}

.hero .wrap { position: relative; z-index: 1; }

.hero h1 { max-width: 16ch; margin-bottom: 22px; }

.hero .lede {
  font-size: clamp(1.02rem, 1.6vw, 1.2rem);
  color: var(--text-dim);
  max-width: 62ch;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-dim);
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  padding: 6px 14px 6px 11px;
  margin-bottom: 26px;
  background: rgba(255,255,255,0.02);
}

.status-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--ok);
  box-shadow: 0 0 0 3px rgba(70, 214, 160, 0.16);
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 34px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 11px 20px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  color: var(--text);
  background: transparent;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s, color 0.15s;
}
.btn:hover { border-color: var(--accent); color: var(--accent); text-decoration: none; background: var(--accent-glow); }

.btn--primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #04060a;
  font-weight: 600;
}
.btn--primary:hover { background: #7ad3ff; border-color: #7ad3ff; color: #04060a; }

/* ---------- Stat strip ---------- */

.stat-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  overflow: hidden;
}

.stat {
  padding: 20px 22px;
  border-right: 1px solid var(--line);
}
.stat:last-child { border-right: 0; }

.stat .k {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-faint);
  display: block;
  margin-bottom: 7px;
}
.stat .v {
  font-family: var(--font-mono);
  font-size: 1.3rem;
  color: var(--text);
  letter-spacing: -0.01em;
}
.stat .n {
  display: block;
  font-size: 0.78rem;
  color: var(--text-faint);
  margin-top: 5px;
  line-height: 1.4;
}

/* ---------- Cards ---------- */

.grid { display: grid; gap: 18px; }
.grid--2 { grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }
.grid--3 { grid-template-columns: repeat(auto-fit, minmax(290px, 1fr)); }

.card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  padding: 26px;
  position: relative;
  transition: border-color 0.18s, transform 0.18s, background 0.18s;
}

a.card:hover, .card--link:hover {
  border-color: var(--line-strong);
  background: var(--panel-2);
  text-decoration: none;
  transform: translateY(-2px);
}

.card h3 { color: var(--text); margin-bottom: 10px; }
.card p { color: var(--text-dim); font-size: 0.94rem; margin-bottom: 0; }

/* Skill card */

.skill-card { display: flex; flex-direction: column; }

.skill-card .idx {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  color: var(--accent);
  letter-spacing: 0.16em;
  margin-bottom: 14px;
  display: block;
}

.skill-list {
  list-style: none;
  padding: 0;
  margin: 18px 0 0;
  border-top: 1px solid var(--line);
  padding-top: 16px;
}
.skill-list li {
  position: relative;
  padding-left: 18px;
  font-size: 0.88rem;
  color: var(--text-dim);
  margin-bottom: 7px;
  line-height: 1.5;
}
.skill-list li::before {
  content: "";
  position: absolute;
  left: 0; top: 0.62em;
  width: 6px; height: 1px;
  background: var(--accent);
}

.chip-row { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 18px; }

.chip {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.07em;
  color: var(--text-dim);
  border: 1px solid var(--line-strong);
  border-radius: 2px;
  padding: 3px 8px;
  background: rgba(255,255,255,0.015);
  white-space: nowrap;
}
.chip--accent { color: var(--accent); border-color: var(--accent-dim); }

.skill-card .linked {
  margin-top: auto;
  padding-top: 18px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-faint);
  letter-spacing: 0.05em;
}
.skill-card .linked a { color: var(--text-dim); }
.skill-card .linked a:hover { color: var(--accent); }

/* Project card */

.project-card {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  overflow: hidden;
  color: inherit;
  transition: border-color 0.18s, transform 0.18s;
}
.project-card:hover { border-color: var(--line-strong); transform: translateY(-3px); text-decoration: none; }

.project-card .thumb {
  aspect-ratio: 16 / 9;
  background: var(--bg-elev);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
  position: relative;
}
.project-card .thumb img { width: 100%; height: 100%; object-fit: cover; }

.project-card .body { padding: 22px 24px 24px; display: flex; flex-direction: column; flex: 1; }
.project-card h3 { font-size: 1.08rem; margin-bottom: 8px; }
.project-card .sub { color: var(--text-dim); font-size: 0.9rem; margin-bottom: 16px; }
.project-card .meta {
  margin-top: auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-faint);
}
.project-card .meta .go { color: var(--accent); }

/* ---------- Tables ---------- */

.table-scroll { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); }

table.data {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
  background: var(--panel);
}

table.data th {
  text-align: left;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-faint);
  font-weight: 500;
  padding: 13px 16px;
  border-bottom: 1px solid var(--line-strong);
  background: var(--bg-elev);
  white-space: nowrap;
  position: sticky;
  top: 0;
}

table.data td {
  padding: 13px 16px;
  border-bottom: 1px solid var(--line);
  color: var(--text-dim);
  vertical-align: top;
}
table.data tr:last-child td { border-bottom: 0; }
table.data tbody tr:hover td { background: rgba(255,255,255,0.018); }
table.data td strong, table.data td b { color: var(--text); font-weight: 600; }

table.spec { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
table.spec td { padding: 11px 0; border-bottom: 1px solid var(--line); vertical-align: top; }
table.spec tr:last-child td { border-bottom: 0; }
table.spec td:first-child {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-faint);
  width: 40%;
  padding-right: 22px;
}
table.spec td:last-child { color: var(--text); }

/* ---------- Project detail ---------- */

.crumb {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin-bottom: 26px;
  display: block;
}

.proj-hero { padding: 60px 0 44px; }
.proj-hero h1 { max-width: 20ch; }
.proj-hero .sub { font-size: 1.06rem; color: var(--text-dim); max-width: 66ch; }

.proj-hero-img {
  margin-top: 42px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--bg-elev);
  max-height: 520px;
}
.proj-hero-img img { width: 100%; height: 100%; max-height: 520px; object-fit: cover; }

.block { padding: 46px 0; border-top: 1px solid var(--line); }
.block > h2 { font-size: 1.35rem; margin-bottom: 20px; }
.block p { color: var(--text-dim); max-width: 72ch; }
.block p:last-child { margin-bottom: 0; }

.figure { margin: 0; }
.figure img { border: 1px solid var(--line); border-radius: var(--radius); background: var(--bg-elev); width: 100%; }
.figure figcaption {
  font-size: 0.83rem;
  color: var(--text-faint);
  margin-top: 12px;
  line-height: 1.55;
  max-width: 78ch;
}

.downloads { display: grid; gap: 10px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.download {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  padding: 15px 18px;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.05em;
  color: var(--text);
  transition: border-color 0.15s, background 0.15s;
}
.download:hover { border-color: var(--accent); background: var(--accent-glow); text-decoration: none; }
.download .meta { color: var(--text-faint); font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.12em; }

/* ---------- Code blocks ---------- */

.code-wrap {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: #080a0f;
}

.code-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 10px 16px;
  border-bottom: 1px solid var(--line);
  background: var(--bg-elev);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--text-faint);
  text-transform: uppercase;
}

.code-copy {
  background: none;
  border: 1px solid var(--line-strong);
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 4px 9px;
  border-radius: 2px;
  cursor: pointer;
}
.code-copy:hover { color: var(--accent); border-color: var(--accent-dim); }

pre.code {
  margin: 0;
  padding: 20px 18px;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.795rem;
  line-height: 1.68;
  color: #cfd8e6;
  tab-size: 4;
}

pre.code .c  { color: #5d6a7d; font-style: italic; }  /* comment */
pre.code .s  { color: #8fd6a4; }                       /* string */
pre.code .k  { color: #7fb4ff; }                       /* keyword */
pre.code .t  { color: #59d1c6; }                       /* type */
pre.code .n  { color: #e0a06a; }                       /* number */
pre.code .f  { color: #d3a8ff; }                       /* function */
pre.code .p  { color: #ff9b6a; }                       /* preprocessor */

/* ---------- Board viewer (zoom / pan + hotspots) ---------- */

.board-viewer {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg-elev);
  overflow: hidden;
  touch-action: none;
}

.board-stage {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  cursor: grab;
}
.board-stage.is-dragging { cursor: grabbing; }

.board-inner {
  position: absolute;
  inset: 0;
  transform-origin: 0 0;
  will-change: transform;
}
.board-inner img { width: 100%; height: 100%; object-fit: contain; pointer-events: none; user-select: none; }

.hotspot {
  position: absolute;
  transform: translate(-50%, -50%);
  width: 26px; height: 26px;
  border-radius: 50%;
  border: 1px solid var(--accent);
  background: rgba(6, 7, 10, 0.85);
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  display: grid;
  place-items: center;
  cursor: pointer;
  padding: 0;
  transition: background 0.15s, box-shadow 0.15s;
}
.hotspot:hover, .hotspot.is-active {
  background: var(--accent);
  color: #04060a;
  box-shadow: 0 0 0 5px var(--accent-glow);
}

.board-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 9px 14px;
  border-top: 1px solid var(--line);
  background: var(--panel);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-faint);
}
.board-bar .btns { display: flex; gap: 6px; }
.board-bar button {
  background: none;
  border: 1px solid var(--line-strong);
  color: var(--text-dim);
  width: 26px; height: 24px;
  border-radius: 2px;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  line-height: 1;
}
.board-bar button:hover { color: var(--accent); border-color: var(--accent-dim); }
.board-bar button.wide { width: auto; padding: 0 10px; font-size: 0.62rem; letter-spacing: 0.12em; }

.hotspot-panel {
  border-top: 1px solid var(--line);
  background: var(--panel);
  padding: 16px 18px;
  min-height: 84px;
}
.hotspot-panel .hp-title {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 7px;
}
.hotspot-panel .hp-text { font-size: 0.9rem; color: var(--text-dim); margin: 0; line-height: 1.6; }
.hotspot-panel .hp-empty { color: var(--text-faint); font-size: 0.86rem; margin: 0; }

/* ---------- 3D viewer ---------- */

.model-viewer-box {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    radial-gradient(ellipse 80% 60% at 50% 0%, rgba(76,194,255,0.05), transparent 70%),
    var(--bg-elev);
  overflow: hidden;
}
.model-canvas { width: 100%; aspect-ratio: 16 / 10; display: block; }

.model-status {
  position: absolute;
  inset: 0;
  display: grid;
  place-content: center;
  text-align: center;
  gap: 10px;
  padding: 30px;
  color: var(--text-faint);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  line-height: 1.7;
}
.model-status code {
  color: var(--accent);
  background: rgba(76,194,255,0.08);
  padding: 2px 6px;
  border-radius: 2px;
  font-size: 0.74rem;
}

.model-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 9px 14px;
  border-top: 1px solid var(--line);
  background: var(--panel);
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-faint);
}

/* ---------- Tools ---------- */

.tool-shell {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  overflow: hidden;
}

.tool-controls {
  display: grid;
  gap: 18px 22px;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  padding: 24px;
  border-bottom: 1px solid var(--line);
  background: var(--bg-elev);
}

.field { display: flex; flex-direction: column; gap: 7px; }
.field label {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-faint);
}
.field input[type="number"],
.field input[type="text"],
.field select {
  background: var(--bg);
  border: 1px solid var(--line-strong);
  border-radius: 2px;
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 0.86rem;
  padding: 9px 11px;
  width: 100%;
}
.field input:focus, .field select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}
.field .hint { font-size: 0.72rem; color: var(--text-faint); font-family: var(--font-mono); }

.field-row { display: flex; gap: 8px; align-items: center; }
.field-row input { flex: 1; }
.field-row .unit {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--text-faint);
  min-width: 28px;
}

.seg { display: flex; border: 1px solid var(--line-strong); border-radius: 2px; overflow: hidden; }
.seg button {
  flex: 1;
  background: var(--bg);
  border: 0;
  border-right: 1px solid var(--line-strong);
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 9px 6px;
  cursor: pointer;
  white-space: nowrap;
}
.seg button:last-child { border-right: 0; }
.seg button.is-on { background: var(--accent); color: #04060a; font-weight: 600; }
.seg button:not(.is-on):hover { color: var(--text); background: var(--panel-2); }

.readouts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  border-bottom: 1px solid var(--line);
}
.readout { padding: 18px 20px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.readout:last-child { border-right: 0; }
.readout .k {
  font-family: var(--font-mono);
  font-size: 0.63rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-faint);
  display: block;
  margin-bottom: 6px;
}
.readout .v { font-family: var(--font-mono); font-size: 1.22rem; color: var(--accent); }
.readout .v small { font-size: 0.68rem; color: var(--text-faint); margin-left: 3px; letter-spacing: 0.06em; }
.readout .n { display: block; font-size: 0.73rem; color: var(--text-faint); margin-top: 5px; }
.readout.is-warn .v { color: var(--warn); }

.chart-box { padding: 22px 20px; }

.match-badge {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: 2px;
  border: 1px solid;
  white-space: nowrap;
}
.match-best { color: var(--ok); border-color: rgba(70,214,160,0.4); background: rgba(70,214,160,0.08); }
.match-ok   { color: var(--accent); border-color: var(--accent-dim); background: var(--accent-glow); }
.match-no   { color: var(--text-faint); border-color: var(--line-strong); }

tr.is-dim td { opacity: 0.36; }

.nowrap { white-space: nowrap; }

tr.topo-row { cursor: pointer; }
tr.topo-row td { position: relative; }
tr.topo-row:focus { outline: 1px solid var(--accent); outline-offset: -1px; }
.topo-caret {
  font-family: var(--font-mono);
  color: var(--text-faint);
  margin-left: 8px;
  font-size: 0.9rem;
}
tr.topo-row:hover .topo-caret { color: var(--accent); }
tr.topo-detail td { background: rgba(255,255,255,0.014); }

.readout { min-height: 112px; }

.field--wide { grid-column: span 2; }
@media (max-width: 620px) { .field--wide { grid-column: span 1; } }

.legend { display: flex; gap: 16px; flex-wrap: wrap; font-family: var(--font-mono); font-size: 0.68rem; color: var(--text-faint); letter-spacing: 0.06em; margin-top: 14px; }
.legend span { display: inline-flex; align-items: center; gap: 6px; }
.legend i { width: 10px; height: 10px; border-radius: 2px; display: inline-block; }

/* ---------- Document viewer ---------- */

.doc-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px 24px;
  flex-wrap: wrap;
  margin-bottom: 26px;
}
.doc-head h2 { margin: 0; }
.doc-actions { display: flex; gap: 10px; flex-wrap: wrap; }

.doc-top {
  display: grid;
  grid-template-columns: minmax(210px, 300px) 1fr;
  gap: 34px;
  align-items: start;
}
@media (max-width: 720px) {
  .doc-top { grid-template-columns: 1fr; gap: 26px; }
}

.doc-cover {
  padding: 0;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--panel);
  cursor: zoom-in;
  overflow: hidden;
  display: block;
  width: 100%;
  transition: border-color 0.16s, transform 0.16s;
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.45);
}
.doc-cover:hover { border-color: var(--accent); transform: translateY(-3px); }
.doc-cover img { width: 100%; display: block; }

.doc-info h3 { font-size: 1.28rem; margin-bottom: 8px; }
.doc-info .doc-sub { color: var(--text-dim); font-size: 0.95rem; margin-bottom: 18px; }
.doc-info p { color: var(--text-dim); }
.doc-info table.spec { margin-top: 18px; }

/* ---------- Planned builds ---------- */

/* Deliberately reads as unbuilt: dashed edge, no lift on hover, muted surface.
   A recruiter should never mistake one of these for finished hardware. */
.planned-card {
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(255,255,255,0.015), transparent 60%);
  padding: 26px;
  display: flex;
  flex-direction: column;
}

.planned-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}
.planned-head .idx {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.16em;
  color: var(--text-faint);
}
.planned-head .chip {
  color: var(--warn);
  border-color: rgba(255, 122, 69, 0.38);
  background: rgba(255, 122, 69, 0.08);
}

.planned-card h3 { margin-bottom: 8px; }
.planned-card p { color: var(--text-dim); font-size: 0.93rem; }
.planned-card .planned-target {
  font-size: 0.78rem;
  color: var(--accent);
  letter-spacing: 0.02em;
  margin-bottom: 14px;
}
.planned-card .skill-list li::before { background: var(--text-faint); }

/* ---------- Callout ---------- */

.callout {
  border: 1px solid var(--line);
  border-left: 2px solid var(--accent);
  background: var(--panel);
  border-radius: var(--radius);
  padding: 18px 22px;
  font-size: 0.9rem;
  color: var(--text-dim);
}
.callout strong { color: var(--text); }
.callout p:last-child { margin-bottom: 0; }

/* ---------- Footer ---------- */

.site-footer {
  border-top: 1px solid var(--line);
  padding: 56px 0 40px;
  margin-top: 0;
  background: var(--bg-elev);
}
.footer-grid {
  display: flex;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
  align-items: flex-start;
}
.site-footer .tag { color: var(--text-dim); font-size: 0.9rem; max-width: 40ch; margin-top: 12px; }
.footer-links { display: flex; gap: 22px; flex-wrap: wrap; }
.footer-links a {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-dim);
}
.footer-links a:hover { color: var(--accent); text-decoration: none; }
.colophon {
  margin-top: 40px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.1em;
  color: var(--text-faint);
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  text-transform: uppercase;
}

/* ---------- Misc ---------- */

.tag-row { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 16px; }

.anchor-offset { scroll-margin-top: 80px; }

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}

@media print {
  .site-header, .site-footer, .hero-canvas { display: none; }
  body { background: #fff; color: #000; }
}