/* ===========================================================
   Gihyun Kim — personal site
   "Drawing set" identity: every page is a sheet in an
   engineering drawing set. Technical-paper background,
   ink lines, Yale-blue annotations.
   Lora (display & body serif) + Inter (UI) + IBM Plex Mono
   (annotations, title blocks, callouts).
   =========================================================== */

@import url('https://fonts.googleapis.com/css2?family=Lora:ital,wght@0,400;0,500;0,600;0,700;1,400;1,500&family=Inter:wght@400;500;600&family=IBM+Plex+Mono:wght@400;500;600&display=swap');

:root {
  --paper:     #f7f8f6;   /* technical paper */
  --surface:   #ffffff;
  --surface-2: #eef1ee;
  --line:      #c9d0cc;   /* sheet linework */
  --border:    #dde2de;
  --text:      #15202b;
  --muted:     #41505d;
  --faint:     #6b7884;
  --accent:        #1d4e89;   /* deep blue — linework accents */
  --accent-strong: #00356b;   /* Yale blue — text, links */
  --accent-deep:   #06234a;
  --accent-soft:   rgba(0,53,107,.08);
  --ok:        #2e7d4f;       /* status green */
  --grid-minor: rgba(0,53,107,.04);
  --grid-major: rgba(0,53,107,.07);
  --serif: 'Lora', Georgia, 'Times New Roman', serif;
  --sans:  'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --mono:  'IBM Plex Mono', ui-monospace, Menlo, Consolas, monospace;
  --maxw:  1080px;
  --readw: 760px;
  --frame: 14px;          /* sheet border inset */
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--text);
  font-family: var(--serif);
  line-height: 1.72;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  background-color: var(--paper);
  background-image:
    linear-gradient(var(--grid-minor) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-minor) 1px, transparent 1px),
    linear-gradient(var(--grid-major) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-major) 1px, transparent 1px);
  background-size: 28px 28px, 28px 28px, 140px 140px, 140px 140px;
  background-position: -1px -1px;
  background-attachment: fixed;
}

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

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 28px; }
.narrow { max-width: var(--readw); }

/* mono annotation utility */
.mono, .eyebrow, .hello { font-family: var(--mono); }

/* ---------- Sheet frame (injected by main.js, desktop) ---------- */
.sheet-frame { display: none; }
@media (min-width: 900px) {
  .sheet-frame {
    display: block; position: fixed; inset: var(--frame); z-index: 40;
    pointer-events: none; border: 1px solid var(--line);
  }
  .sheet-frame::before, .sheet-frame::after {
    content: ""; position: absolute; width: 12px; height: 12px;
    border: 1.5px solid var(--accent); opacity: .8;
  }
  .sheet-frame::before { top: -1px; left: -1px; border-right: 0; border-bottom: 0; }
  .sheet-frame::after  { bottom: -1px; right: -1px; border-left: 0; border-top: 0; }
  .sf-zone {
    position: absolute; font: 500 .56rem/1 var(--mono); letter-spacing: .2em;
    color: var(--faint); background: var(--paper); padding: 2px 6px;
  }
  .sf-zone.za { top: -8px; left: 24%; }
  .sf-zone.zb { top: -8px; left: 74%; }
  .sf-zone.zc { bottom: -8px; left: 49%; }
  .sf-zone.z1 { left: -10px; top: 30%; writing-mode: vertical-rl; padding: 6px 2px; }
  .sf-zone.z2 { right: -10px; top: 62%; writing-mode: vertical-rl; padding: 6px 2px; }
}

/* ---------- Top bar ---------- */
.topbar {
  position: sticky; top: 0; z-index: 80;
  background: color-mix(in srgb, var(--paper) 86%, transparent);
  -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.topbar .tb-inner {
  max-width: var(--maxw); margin: 0 auto; padding: 0 28px;
  display: flex; align-items: center; justify-content: space-between; height: 64px;
}
.brand { font-family: var(--serif); font-weight: 700; font-size: 1.16rem; color: var(--text); letter-spacing: -.2px; display: flex; align-items: baseline; gap: 12px; }
.brand:hover { text-decoration: none; }
.brand .brand-sub {
  font: 500 .58rem/1 var(--mono); letter-spacing: .18em; text-transform: uppercase;
  color: var(--faint);
}
.nav-links { display: flex; gap: 4px; align-items: center; }
.nav-links a {
  font-family: var(--sans); color: var(--muted); font-size: .88rem; font-weight: 500;
  padding: 7px 11px; border: 1px solid transparent; transition: color .15s ease, border-color .15s ease, background .15s ease;
}
.nav-links a i {
  font-style: normal; font-family: var(--mono); font-size: .62rem; color: var(--faint);
  margin-right: 6px; letter-spacing: .06em; transition: color .15s ease;
}
.nav-links a:hover { color: var(--accent-strong); text-decoration: none; border-color: var(--line); }
.nav-links a.active { color: var(--accent-strong); border-color: var(--accent); background: var(--accent-soft); }
.nav-links a.active i, .nav-links a:hover i { color: var(--accent); }
.theme-btn {
  margin-left: 10px; width: 34px; height: 34px; border: 1px solid var(--line);
  background: var(--surface); color: var(--muted); cursor: pointer;
  display: inline-flex; align-items: center; justify-content: center;
  transition: color .15s ease, border-color .15s ease;
}
.theme-btn:hover { color: var(--accent-strong); border-color: var(--accent); }
.theme-btn svg { width: 16px; height: 16px; }
.nav-toggle { display: none; background: none; border: 1px solid var(--line); cursor: pointer; padding: 9px 10px; }
.nav-toggle span { display: block; width: 20px; height: 1.5px; background: var(--text); margin: 4px 0; transition: .2s; }

@media (max-width: 760px) {
  .brand .brand-sub { display: none; }
  .nav-toggle { display: block; }
  .nav-links {
    position: absolute; top: 64px; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 2px;
    background: var(--surface); border-bottom: 1px solid var(--line);
    padding: 12px 20px 16px;
    transform: translateY(-10px); opacity: 0; pointer-events: none; transition: .2s ease;
  }
  .nav-links.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
  .nav-links a { padding: 12px 12px; }
  .theme-btn { margin: 8px 0 0; width: 100%; height: 42px; }
}

/* ---------- Buttons ---------- */
.btn {
  font-family: var(--sans); font-weight: 600; font-size: .92rem;
  display: inline-flex; align-items: center; gap: 9px;
  padding: 12px 22px; cursor: pointer; position: relative;
  border: 1px solid var(--accent-strong); background: var(--surface); color: var(--accent-strong);
  transition: background .18s ease, color .18s ease, box-shadow .18s ease; text-decoration: none;
}
.btn:hover { text-decoration: none; background: var(--accent-soft); box-shadow: 3px 3px 0 0 var(--accent-soft); }
.btn .arrow { transition: transform .2s ease; }
.btn:hover .arrow { transform: translateX(4px); }
.btn.primary { background: var(--accent-strong); color: #fff; }
.btn.primary:hover { background: var(--accent-deep); box-shadow: 3px 3px 0 0 rgba(0,53,107,.25); }
/* drafting corner tick on hover */
.btn::after {
  content: ""; position: absolute; top: -4px; right: -4px; width: 9px; height: 9px;
  border-top: 1.5px solid var(--accent); border-right: 1.5px solid var(--accent);
  opacity: 0; transition: opacity .18s ease;
}
.btn:hover::after { opacity: 1; }

/* ---------- Landing / Home ---------- */
.landing {
  min-height: calc(100vh - 64px);
  display: flex; align-items: center;
  position: relative; overflow: hidden; padding: 30px 0 10px;
}
.landing .inner {
  position: relative; z-index: 1; width: 100%;
  display: grid; grid-template-columns: 1fr 1.25fr; gap: 36px; align-items: center;
}
.landing .hello {
  color: var(--faint); font-weight: 500; letter-spacing: .14em; text-transform: uppercase;
  font-size: .66rem; margin: 0 0 16px; display: flex; align-items: center; gap: 10px;
}
.landing .hello::before { content: ""; width: 26px; height: 1px; background: var(--accent); flex: 0 0 auto; }
.landing h1 { font-size: clamp(2.8rem, 6vw, 4.4rem); line-height: 1.04; margin: 0 0 16px; font-weight: 600; letter-spacing: -1.5px; }
.landing h1 .accent { color: var(--accent); }
.landing .tagline { font-size: 1.32rem; color: var(--text); margin: 0 0 14px; font-style: italic; }
.landing .tagline em { font-style: normal; color: var(--accent-strong); }
.landing .lede { color: var(--muted); max-width: 31em; margin: 0 0 30px; }
.landing .lede strong { color: var(--text); font-weight: 600; }
.landing .cta { display: flex; gap: 14px; flex-wrap: wrap; }

/* interactive bill of materials (hero) */
.bom {
  width: 100%; max-width: 460px; border-collapse: collapse;
  font-family: var(--mono); margin: 4px 0 30px; border: 1px solid var(--text);
  background: var(--surface);
}
.bom caption {
  caption-side: top; text-align: left; padding: 0 0 7px;
  font: 600 .6rem/1 var(--mono); letter-spacing: .2em; text-transform: uppercase; color: var(--faint);
}
.bom td { border-top: 1px solid var(--line); padding: 10px 12px; font-size: .76rem; color: var(--text); }
.bom tr:first-child td { border-top: 0; }
.bom .bom-no { width: 34px; color: var(--accent-strong); font-weight: 600; border-right: 1px solid var(--line); text-align: center; }
.bom .bom-ref { width: 30%; color: var(--faint); font-size: .62rem; letter-spacing: .08em; text-align: right; white-space: nowrap; }
.bom .bom-arrow { display: inline-block; color: var(--accent-strong); opacity: 0; transform: translateX(-4px); transition: opacity .15s ease, transform .15s ease; }
.bom tr[data-href] { cursor: pointer; transition: background .15s ease; }
.bom tr[data-href]:hover, .bom tr[data-href]:focus-visible { background: var(--accent-soft); outline: none; }
.bom tr[data-href]:hover td, .bom tr[data-href]:focus-visible td { color: var(--accent-strong); }
.bom tr[data-href]:hover .bom-arrow, .bom tr[data-href]:focus-visible .bom-arrow { opacity: 1; transform: none; }
html.dark .bom { border-color: var(--line); }

/* hero role strips (under the name) */
.hero-roles { display: flex; flex-direction: column; gap: 10px; max-width: 440px; margin: 2px 0 30px; }
.hero-roles .role-card { padding: 11px 15px; gap: 13px; }
.hero-roles .role-logo { width: 42px; height: 42px; }
.hero-roles .role-logo img { padding: 5px; }
.hero-roles .role-name { font-size: .98rem; }
.hero-roles .role-org { font-size: .62rem; }

/* language toggle (topbar, right side) */
.lang-btn {
  margin-left: auto; border: 1px solid var(--line); background: var(--surface);
  color: var(--muted); cursor: pointer; padding: 8px 12px;
  font: 600 .66rem/1 var(--mono); letter-spacing: .12em;
  transition: color .15s ease, border-color .15s ease, background .15s ease;
}
.lang-btn:hover { color: var(--accent-strong); border-color: var(--accent); background: var(--accent-soft); }
@media (max-width: 760px) { .lang-btn { margin-right: 10px; } }

/* hidden control rows stay hidden despite display:flex */
.section-ctl[hidden] { display: none; }

/* nudge the hero model toward the page centre (desktop) */
@media (min-width: 900px) { .model-stage.home3d { margin-left: 20%; } }

/* emphasized quick link */
.quick-links a.hi {
  color: var(--accent-strong); border: 1px solid var(--accent-strong);
  border-bottom: 1px solid var(--accent-strong);
  background: var(--accent-soft); padding: 6px 12px; font-weight: 600;
}
.quick-links a.hi:hover { background: var(--accent-strong); color: #fff; }
html.dark .quick-links a.hi:hover { color: #08121d; }

.quick-links { margin-top: 40px; display: flex; gap: 18px; flex-wrap: wrap; font-family: var(--mono); }
.quick-links a {
  color: var(--muted); font-size: .74rem; font-weight: 500; letter-spacing: .08em; text-transform: uppercase;
  padding: 4px 0; border-bottom: 1px solid var(--line);
  transition: color .15s ease, border-color .15s ease;
}
.quick-links a:hover { color: var(--accent-strong); border-color: var(--accent-strong); text-decoration: none; }

/* hero entrance */
.landing .hello, .landing h1, .landing .tagline, .landing .lede, .landing .bom,
.landing .hero-roles, .landing .cta, .landing .quick-links {
  opacity: 0; animation: heroEnter .6s cubic-bezier(.2,.7,.2,1) forwards;
}
.landing .hello       { animation-delay: .05s; }
.landing h1           { animation-delay: .14s; }
.landing .tagline     { animation-delay: .26s; }
.landing .lede, .landing .bom, .landing .hero-roles { animation-delay: .38s; }
.landing .cta         { animation-delay: .48s; }
.landing .quick-links { animation-delay: .58s; }
@keyframes heroEnter { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }
.hero-visual { position: relative; justify-self: center; width: 100%; max-width: 720px;
  opacity: 0; animation: heroEnter .8s cubic-bezier(.2,.7,.2,1) .3s forwards; }

/* homepage 3D: large, free-floating */
.model-stage { position: relative; cursor: grab; }
.model-stage:active { cursor: grabbing; }
.model-stage canvas { position: absolute; inset: 0; display: block; }
.model-stage.home3d {
  width: 100%; max-width: 720px; height: 600px; overflow: visible; cursor: default;
}
.model-stage.home3d .robot-fallback { padding: 8px; object-fit: contain; z-index: 1; }
.robot-fallback { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; padding: 22px; transition: opacity .5s ease; }
.model-stage.loaded .robot-fallback { opacity: 0; pointer-events: none; }
.robot-hint {
  position: absolute; bottom: 10px; left: 0; right: 0; text-align: center;
  font: 500 .62rem/1 var(--mono); letter-spacing: .18em; text-transform: uppercase;
  color: var(--faint); opacity: 0; transition: opacity .4s ease; pointer-events: none;
}
.model-stage.loaded .robot-hint { opacity: .7; }
@media (max-width: 860px) { .model-stage.home3d { height: 76vw; max-height: 430px; } }

/* loader: crosshair + mono label */
.model-loader {
  position: absolute; inset: 0; z-index: 2; display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 14px; transition: opacity .5s ease;
}
.model-stage.loaded .model-loader, .model-stage.failed .model-loader { opacity: 0; pointer-events: none; }
.xh-loader { position: relative; width: 44px; height: 44px; }
.xh-loader::before, .xh-loader::after {
  content: ""; position: absolute; background: var(--accent);
}
.xh-loader::before { left: 50%; top: 0; bottom: 0; width: 1.5px; transform: translateX(-50%); }
.xh-loader::after  { top: 50%; left: 0; right: 0; height: 1.5px; transform: translateY(-50%); }
.xh-loader span {
  position: absolute; inset: 6px; border: 1.5px solid var(--accent); border-radius: 50%;
  border-top-color: transparent; animation: xhSpin 1s linear infinite;
}
@keyframes xhSpin { to { transform: rotate(360deg); } }
.ldr-label { font: 500 .6rem/1 var(--mono); letter-spacing: .28em; text-transform: uppercase; color: var(--muted); animation: ldrBlink 1.4s ease-in-out infinite; }
@keyframes ldrBlink { 0%,100% { opacity: .4; } 50% { opacity: .95; } }

/* hero dimension callouts */
.callout { position: absolute; z-index: 3; pointer-events: none; opacity: 0; transition: opacity .8s ease .2s; }
.model-stage.loaded ~ * .callout, .model-stage.loaded .callout { opacity: 1; }
.callout .co-line { display: block; position: absolute; background: var(--accent); }
.callout .co-label {
  font: 500 .6rem/1.5 var(--mono); letter-spacing: .12em; color: var(--accent-strong);
  background: color-mix(in srgb, var(--paper) 80%, transparent); padding: 3px 7px;
  border: 1px solid var(--line); white-space: nowrap;
}
.callout .co-dot { position: absolute; width: 5px; height: 5px; border-radius: 50%; background: var(--accent); }
.callout.c1 { top: 13%; right: 2%; }
.callout.c1 .co-line { width: 1px; height: 52px; left: 30px; top: 100%; transform: rotate(24deg); transform-origin: top; }
.callout.c2 { bottom: 16%; left: 0; }
.callout.c2 .co-line { width: 1px; height: 44px; right: -20px; bottom: 100%; transform: rotate(-22deg); transform-origin: bottom; left: auto; }
@media (max-width: 1100px) { .callout { display: none; } }
/* leader lines that track a named part in 3D (set per-frame by viewer.js) */
.model-stage .callout.tracking .co-line {
  position: absolute; left: 0; top: 0; width: 0; height: 1.2px;
  background: var(--accent); transform-origin: 0 50%;
  opacity: 0; transition: opacity .3s ease;
}
.model-stage .callout.tracking .co-line::after {
  content: ""; position: absolute; right: -3px; top: 50%; width: 5px; height: 5px;
  margin-top: -2.5px; border-radius: 50%; background: var(--accent);
}

/* live 3D stages embedded in log posts */
.post-stage {
  position: relative; height: clamp(280px, 46vw, 400px); margin: 20px 0;
  border: 1px solid var(--line); background: var(--surface); overflow: hidden; cursor: grab;
}
.post-stage:active { cursor: grabbing; }
.post-stage::before {
  content: ""; position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background-image:
    linear-gradient(var(--grid-major) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-major) 1px, transparent 1px);
  background-size: 22px 22px; opacity: .5;
}
.post-stage .robot-hint { text-align: left; left: 12px; right: auto; }

/* section-cut control */
.section-ctl {
  display: flex; align-items: center; gap: 14px; margin: 6px auto 0; max-width: 460px;
  font-family: var(--mono); opacity: 0; transition: opacity .6s ease .4s;
}
.section-ctl.ready { opacity: 1; }
.sc-label { font-size: .62rem; font-weight: 600; letter-spacing: .2em; color: var(--accent-strong); white-space: nowrap; }
.sc-read { font-size: .62rem; color: var(--faint); min-width: 4ch; text-align: right; }
.section-ctl input[type="range"] {
  flex: 1; -webkit-appearance: none; appearance: none; height: 22px; background: transparent; cursor: ew-resize;
}
.section-ctl input[type="range"]::-webkit-slider-runnable-track {
  height: 1.5px; background: var(--accent);
  background-image: repeating-linear-gradient(90deg, var(--accent) 0 1.5px, transparent 1.5px 9px);
  background-size: auto 7px; background-position: center;
}
.section-ctl input[type="range"]::-moz-range-track { height: 1.5px; background: var(--accent); }
.section-ctl input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none; width: 13px; height: 13px; margin-top: -5.5px;
  background: var(--paper); border: 1.5px solid var(--accent-strong); transform: rotate(45deg);
}
.section-ctl input[type="range"]::-moz-range-thumb {
  width: 11px; height: 11px; border-radius: 0; background: var(--paper);
  border: 1.5px solid var(--accent-strong); transform: rotate(45deg);
}
@media (max-width: 860px) { .section-ctl { max-width: 320px; } }

/* scroll cue */
.scroll-cue {
  position: absolute; left: 50%; bottom: 18px; transform: translateX(-50%);
  font: 500 .6rem/1 var(--mono); letter-spacing: .26em; text-transform: uppercase;
  color: var(--faint); display: flex; flex-direction: column; align-items: center; gap: 8px;
  transition: opacity .4s ease, color .15s ease; z-index: 2;
}
.scroll-cue:hover { color: var(--accent-strong); text-decoration: none; }
.scroll-cue::after { content: ""; width: 1px; height: 26px; background: var(--accent); animation: cueDrop 1.8s ease-in-out infinite; }
@keyframes cueDrop { 0% { transform: scaleY(0); transform-origin: top; } 55% { transform: scaleY(1); transform-origin: top; } 56% { transform-origin: bottom; } 100% { transform: scaleY(0); transform-origin: bottom; } }
.scroll-cue.hide { opacity: 0; pointer-events: none; }

@media (max-width: 860px) {
  .landing { min-height: 0; padding: 44px 0 20px; }
  .landing .inner { grid-template-columns: 1fr; gap: 30px; text-align: left; }
  .hero-visual { order: 2; }
  .scroll-cue { display: none; }
}

/* ---------- Page header ---------- */
.page-head { padding: 64px 0 8px; }
.page-head .eyebrow {
  color: var(--faint); font-weight: 500; letter-spacing: .16em; text-transform: uppercase;
  font-size: .64rem; margin: 0 0 12px; display: flex; align-items: center; gap: 10px;
}
.page-head .eyebrow::before { content: ""; width: 26px; height: 1px; background: var(--accent); }
.page-head h1 { font-size: clamp(2.2rem, 5vw, 3rem); margin: 0; font-weight: 600; letter-spacing: -.5px; }
.page-head p.sub { color: var(--muted); margin: 14px 0 0; max-width: var(--readw); }
.page-head p.sub a { border-bottom: 1px solid var(--accent); }
.page-head p.sub a:hover { text-decoration: none; color: var(--accent-deep); }

/* revision stamp (CV) */
.stamp {
  display: inline-block; margin-top: 18px; padding: 6px 12px;
  border: 1.5px solid var(--accent); color: var(--accent-strong);
  font: 600 .62rem/1 var(--mono); letter-spacing: .18em; text-transform: uppercase;
  transform: rotate(-1.4deg);
}

/* ---------- Sections: dimension-line headings ---------- */
.block { padding: 30px 0; }
.block h2 {
  font-size: 1.45rem; margin: 0 0 22px; font-weight: 600;
  display: flex; align-items: center; gap: 16px;
}
.block h2 .num { font: 600 .66rem/1 var(--mono); color: var(--accent-strong); letter-spacing: .1em; }
/* dimension line: ticks at both ends */
.block h2::after {
  content: ""; flex: 1; height: 9px;
  border-left: 1.5px solid var(--line); border-right: 1.5px solid var(--line);
  background: linear-gradient(var(--line), var(--line)) center / 100% 1px no-repeat;
}

/* ---------- About ---------- */
.about-grid { display: grid; grid-template-columns: 350px 1fr; gap: 56px; align-items: start; padding-top: 34px; }
.about-photo-col { position: sticky; top: 92px; }
.about-photo {
  position: relative; width: 100%; overflow: visible;
  aspect-ratio: 4/5; background: var(--surface-2);
  border: 1px solid var(--text); padding: 0;
}
.about-photo img { width: 100%; height: 100%; object-fit: cover; display: block; filter: saturate(.96); }
/* drafting ticks around the photo */
.about-photo::before, .about-photo::after {
  content: ""; position: absolute; width: 14px; height: 14px; border: 1.5px solid var(--accent);
}
.about-photo::before { top: -7px; left: -7px; border-right: 0; border-bottom: 0; }
.about-photo::after  { bottom: -7px; right: -7px; border-left: 0; border-top: 0; }
.about-photo .ph-fallback { display:flex;align-items:center;justify-content:center;height:100%;color:var(--faint);font-family:var(--sans);font-size:.88rem;text-align:center;padding:18px; }
.fig-label { font: 500 .64rem/1.6 var(--mono); letter-spacing: .1em; color: var(--faint); margin-top: 10px; text-transform: uppercase; }
.about-body p { color: var(--muted); margin: 0 0 18px; font-size: 1.08rem; }
.about-body p strong { color: var(--text); }
.about-body a { border-bottom: 1px solid var(--accent); }
.about-body a:hover { text-decoration: none; color: var(--accent-deep); }
.fact-row { display: flex; margin-top: 28px; border: 1px solid var(--line); }
.fact { flex: 1 1 auto; min-width: 0; background: var(--surface); padding: 13px 15px; font-family: var(--mono); border-right: 1px solid var(--line); }
.fact:last-child { border-right: 0; }
.fact .k { display: block; font-size: .58rem; letter-spacing: .14em; text-transform: uppercase; color: var(--faint); margin-bottom: 3px; }
.fact .v { font-family: var(--serif); font-size: .92rem; font-weight: 600; color: var(--text); white-space: nowrap; }
@media (max-width: 700px) { .fact-row { flex-direction: column; } .fact { border-right: 0; border-bottom: 1px solid var(--line); } .fact:last-child { border-bottom: 0; } }
@media (max-width: 720px){ .about-grid{ grid-template-columns:1fr; gap:28px;} .about-photo-col{ position: static; max-width: 300px; } }

/* ---------- CV entries ---------- */
.entry { display: grid; grid-template-columns: 160px 1fr; gap: 22px; padding: 22px 0; border-bottom: 1px dashed var(--line); position: relative; overflow: hidden; }
.entry:last-child { border-bottom: none; }
.entry > * { position: relative; z-index: 1; }
.entry .when { color: var(--faint); font-family: var(--mono); font-size: .72rem; letter-spacing: .04em; padding-top: 6px; }
.entry .what h3 { margin: 0 0 3px; font-size: 1.14rem; font-weight: 600; }
.entry .what .org { color: var(--accent-strong); font-size: .96rem; }
.entry .what ul { margin: 10px 0 0; padding-left: 18px; color: #2b3845; }
.entry .what ul li { font-size: 1rem; line-height: 1.7; margin-bottom: 7px; }
.entry .what p { margin: 8px 0 0; color: #2b3845; font-size: 1rem; line-height: 1.7; }
.entry .what p.scores { font-family: var(--mono); font-size: .8rem; color: var(--text); }
.entry .what p.scores b { color: var(--accent-strong); }
@media (max-width: 600px) { .entry { grid-template-columns: 1fr; gap: 4px; } }

/* CV logos */
.entry.has-logo .when { position: relative; }
.entry.has-logo .when::after {
  content: ""; position: absolute; left: 50%; top: calc(50% + 22px);
  transform: translate(-50%, -50%);
  width: 84px; height: 84px; z-index: 0; pointer-events: none;
  background-image: var(--logo); background-repeat: no-repeat;
  background-position: center; background-size: contain; opacity: .9;
  border-radius: 16px;
}
.entry.logo-big .when::after { width: 104px; height: 104px; }
.entry.logo-shift { padding-left: 112px; }
.entry.logo-shift .when::after { display: none; }
.entry.logo-shift::after {
  content: ""; position: absolute; left: 8px; top: 50%; transform: translateY(-50%);
  width: 88px; height: 88px; z-index: 0; pointer-events: none;
  background-image: var(--logo); background-repeat: no-repeat;
  background-position: center; background-size: contain; opacity: .9;
  border-radius: 16px;
}
@media (max-width: 600px) {
  .entry.has-logo .when { display: flex; align-items: center; gap: 10px; padding-top: 0; }
  .entry.has-logo .when::after { position: static; transform: none; width: 40px; height: 40px; }
  .entry.logo-big .when::after { width: 48px; height: 48px; }
  .entry.logo-shift { padding-left: 60px; }
  .entry.logo-shift::after { left: 2px; width: 48px; height: 48px; }
}

/* tags */
.tags { display: flex; flex-wrap: wrap; gap: 8px; }
.tags span {
  font-family: var(--mono); font-size: .72rem; letter-spacing: .03em;
  background: var(--surface); border: 1px solid var(--line); padding: 6px 12px; color: var(--muted);
  transition: .15s;
}
.tags span:hover { border-color: var(--accent); color: var(--accent-strong); }

/* ---------- Projects: drawing-sheet cards ---------- */
.proj-filters { display: flex; flex-wrap: wrap; gap: 0; margin: 8px 0 28px; border: 1px solid var(--line); width: fit-content; }
.pf-btn {
  font-family: var(--mono); font-size: .7rem; font-weight: 600; letter-spacing: .1em; text-transform: uppercase;
  color: var(--muted); background: var(--surface); border: 0; border-right: 1px solid var(--line);
  padding: 9px 16px; cursor: pointer; transition: color .15s ease, background .15s ease;
}
.pf-btn:last-child { border-right: 0; }
.pf-btn:hover { color: var(--accent-strong); background: var(--accent-soft); }
.pf-btn.active { color: #fff; background: var(--accent-strong); }
.pf-btn i { font-style: normal; opacity: .65; margin-left: 5px; }

.ptiles { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.ptile {
  position: relative; display: flex; flex-direction: column; width: 100%; text-align: left; cursor: pointer;
  background: var(--surface); border: 1px solid var(--text); padding: 0; overflow: hidden;
  box-shadow: 4px 4px 0 0 rgba(0,53,107,.06);
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease, opacity .3s ease;
}
.ptile:hover, .ptile:focus-visible {
  transform: translate(-2px, -2px); border-color: var(--accent-strong);
  box-shadow: 7px 7px 0 0 rgba(0,53,107,.12); outline: none;
}
.ptile.filtered { opacity: 0; transform: translateY(12px); }
.ptile[hidden] { display: none !important; }

.ptile-top { display: flex; align-items: baseline; gap: 12px; padding: 16px 20px 12px; border-bottom: 1px solid var(--line); }
.ptile-num { font: 600 .68rem/1 var(--mono); color: var(--accent-strong); letter-spacing: .12em; }
.ptile-title { font-family: var(--serif); font-size: 1.22rem; font-weight: 600; line-height: 1.2; margin: 0; flex: 1; }
.ptile-rev { font: 500 .62rem/1 var(--mono); color: var(--faint); letter-spacing: .1em; }

.ptile-stage {
  position: relative; height: 280px; margin: 0; overflow: hidden;
  background: var(--surface); cursor: grab;
}
.ptile-stage:active { cursor: grabbing; }
.ptile-stage canvas { position: relative; z-index: 1; opacity: 0; transition: opacity .7s ease; }
.ptile-stage.loaded canvas { opacity: 1; }
.ptile-stage .robot-fallback { opacity: 0; }
.ptile-stage.failed .robot-fallback { opacity: 1; }
.ptile-stage .robot-hint { text-align: left; left: 14px; right: auto; }
/* stage grid + CAD center mark */
.ptile-stage::before {
  content: ""; position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background-image:
    linear-gradient(var(--grid-major) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-major) 1px, transparent 1px);
  background-size: 22px 22px; opacity: .5;
}
.vp-center { position: absolute; left: 50%; top: 50%; width: 26px; height: 26px; transform: translate(-50%,-50%); z-index: 0; pointer-events: none; opacity: .5; }
.vp-center::before, .vp-center::after { content: ""; position: absolute; background: var(--accent); }
.vp-center::before { left: 50%; top: -6px; bottom: -6px; width: 1px; }
.vp-center::after { top: 50%; left: -6px; right: -6px; height: 1px; }
.vp-corner { position: absolute; z-index: 2; pointer-events: none; font: 500 .56rem/1 var(--mono); letter-spacing: .14em; color: var(--faint); }
.vp-corner.tl { top: 10px; left: 14px; }
.vp-corner.br { bottom: 10px; right: 14px; color: var(--accent-strong); }

/* card title-block strip */
.ptile-tb { display: grid; grid-template-columns: 1fr 1.4fr 1.3fr; border-top: 1px solid var(--line); margin-top: auto; }
.ptile-tb span { padding: 9px 14px; border-right: 1px solid var(--line); font: 500 .68rem/1.5 var(--mono); color: var(--text); min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ptile-tb span:last-child { border-right: 0; }
.ptile-tb i { display: block; font-style: normal; font-size: .54rem; letter-spacing: .16em; text-transform: uppercase; color: var(--faint); margin-bottom: 1px; }
.ptile-desc { color: var(--muted); margin: 0; padding: 14px 20px 16px; font-family: var(--sans); font-size: .88rem; line-height: 1.55; }
@media (max-width: 760px) {
  .ptiles { grid-template-columns: 1fr; }
  .ptile-stage { height: 230px; }
}
/* phones: models lazy-mount as cards scroll into view; loader shows until then */

/* ---------- Project modal: full drawing sheet ---------- */
.proj-modal {
  position: fixed; inset: 0; z-index: 120; display: none; align-items: flex-start; justify-content: center;
  background: rgba(15,24,37,.7); padding: 5vh 20px; overflow-y: auto;
}
.proj-modal.open { display: flex; }
.pm-sheet {
  position: relative; width: 100%; max-width: 760px; background: var(--surface);
  border: 1px solid var(--text); padding: 0 0 28px;
  box-shadow: 10px 10px 0 0 rgba(0,0,0,.25); animation: pmIn .3s cubic-bezier(.2,.8,.2,1);
}
@keyframes pmIn { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: none; } }
.pm-head {
  display: flex; align-items: center; justify-content: space-between; gap: 14px;
  padding: 12px 18px; border-bottom: 1px solid var(--text);
  font: 600 .62rem/1 var(--mono); letter-spacing: .16em; text-transform: uppercase; color: var(--faint);
}
.pm-head b { color: var(--accent-strong); }
.pm-close {
  width: 30px; height: 30px; border: 1px solid var(--line); background: var(--surface);
  color: var(--muted); font-size: 1.1rem; line-height: 1; cursor: pointer; transition: .15s ease; flex: 0 0 auto;
}
.pm-close:hover { color: var(--accent-strong); border-color: var(--accent); }
.pm-body { padding: 26px 34px 0; }
.pm-tag { font: 600 .64rem/1 var(--mono); letter-spacing: .16em; text-transform: uppercase; color: var(--accent-strong); margin: 0 0 8px; }
.pm-title { font-size: 1.8rem; font-weight: 600; margin: 0 0 18px; letter-spacing: -.5px; }
.pm-detail p { color: var(--muted); margin: 0 0 14px; line-height: 1.7; }
.pm-stage {
  position: relative; height: clamp(260px, 40vw, 360px); margin: 6px 0 22px;
  border: 1px solid var(--line); background: var(--surface); overflow: hidden; cursor: grab;
}
.pm-stage:active { cursor: grabbing; }
.pm-stage canvas { display: block; }
.pm-stage .robot-fallback { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; padding: 14px; opacity: 1; transition: opacity .5s ease; }
.pm-stage.loaded .robot-fallback { opacity: 0; }
.pm-stage .robot-hint { text-align: right; right: 12px; left: auto; }
.pm-stage::before {
  content: ""; position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background-image:
    linear-gradient(var(--grid-major) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-major) 1px, transparent 1px);
  background-size: 22px 22px; opacity: .5;
}
.pm-strip { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: 10px; margin: 4px 0 22px; }
.pm-strip img { width: 100%; aspect-ratio: 4/3; object-fit: cover; border: 1px solid var(--line); background: #fff; cursor: zoom-in; }
/* revision history */
.pm-revs { width: 100%; border-collapse: collapse; font-family: var(--mono); font-size: .74rem; margin: 0 0 20px; }
.pm-revs caption { text-align: left; font: 600 .62rem/1 var(--mono); letter-spacing: .16em; text-transform: uppercase; color: var(--faint); padding-bottom: 8px; }
.pm-revs th, .pm-revs td { border: 1px solid var(--line); padding: 7px 10px; text-align: left; }
.pm-revs th { background: var(--surface-2); color: var(--faint); font-weight: 600; letter-spacing: .08em; }
.pm-revs td:first-child { color: var(--accent-strong); font-weight: 600; width: 46px; text-align: center; }
.pm-block { width: 100%; border-collapse: collapse; font-family: var(--mono); font-size: .72rem; }
.pm-block th, .pm-block td { border: 1px solid var(--line); padding: 7px 10px; text-align: left; }
.pm-block th { background: var(--surface-2); color: var(--faint); font-weight: 600; letter-spacing: .08em; width: 64px; white-space: nowrap; }
.pm-block td { color: var(--text); }
@media (max-width: 560px) { .pm-body { padding: 22px 18px 0; } .pm-title { font-size: 1.4rem; } }

/* gallery (generic) + lightbox */
.gallery { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 14px; }
.gallery figure { margin: 0; }
.gallery img { width: 100%; aspect-ratio: 4/3; object-fit: cover; border: 1px solid var(--line); background: #fff; cursor: zoom-in; transition: .2s; }
.gallery img:hover { border-color: var(--accent); }
.gallery figcaption { font: 500 .68rem/1.5 var(--mono); color: var(--faint); margin-top: 7px; text-align: center; }
.lightbox { position: fixed; inset: 0; background: rgba(16,24,32,.93); display: none; align-items: center; justify-content: center; z-index: 200; padding: 30px; cursor: zoom-out; }
.lightbox.open { display: flex; }
.lightbox img { max-width: 92vw; max-height: 90vh; border: 1px solid rgba(255,255,255,.25); box-shadow: 0 24px 70px rgba(0,0,0,.55); }

/* ---------- Blog: log entries ---------- */
.post-list { list-style: none; padding: 0; margin: 0; border-top: 1px solid var(--line); }
.post-list li { border-bottom: 1px solid var(--line); transition: background .15s ease; }
.post-list li:hover { background: var(--surface); }
.post-list a.post-card-link { display: block; text-decoration: none; color: inherit; padding: 24px 14px; }
.post-list .meta { font: 500 .68rem/1 var(--mono); color: var(--faint); letter-spacing: .1em; text-transform: uppercase; display: flex; gap: 16px; flex-wrap: wrap; }
.post-list .meta b { color: var(--accent-strong); font-weight: 600; }
.post-list h3 { margin: 10px 0 8px; font-size: 1.4rem; font-weight: 600; color: var(--text); transition: color .15s ease; }
.post-list li:hover h3 { color: var(--accent-strong); }
.post-list .excerpt { color: var(--muted); margin: 0 0 10px; }
.tag-pill {
  display: inline-block; font: 500 .64rem/1 var(--mono); letter-spacing: .08em; text-transform: uppercase;
  color: var(--accent-strong); border: 1px solid var(--line); padding: 4px 9px; margin-right: 7px;
}

/* ---------- Article ---------- */
.article { padding: 50px 0 60px; }
.article .post-meta { font: 500 .7rem/1.6 var(--mono); color: var(--faint); letter-spacing: .1em; text-transform: uppercase; margin-bottom: 12px; }
.article h1 { font-size: 2.3rem; margin: 0 0 24px; font-weight: 600; letter-spacing: -.5px; }
.article h2 { font-size: 1.55rem; margin: 38px 0 14px; font-weight: 600; }
.article h3 { font-size: 1.22rem; margin: 28px 0 10px; font-weight: 600; }
.article p, .article li { font-size: 1.07rem; color: #2a3640; }
.article img { max-width: 100%; border: 1px solid var(--line); }
.article pre { background: #14202c; color: #e6edf3; padding: 18px; overflow-x: auto; font-family: var(--mono); font-size: .88rem; border: 1px solid var(--accent-deep); }
.article code { font-family: var(--mono); background: var(--surface-2); padding: 2px 6px; font-size: .9em; }
.article pre code { background: none; padding: 0; color: inherit; }
.article blockquote { border-left: 3px solid var(--accent); margin: 18px 0; padding: 4px 18px; color: var(--muted); }
.article table { border-collapse: collapse; width: 100%; margin: 18px 0; font-family: var(--sans); font-size: .95rem; }
.article th, .article td { border: 1px solid var(--line); padding: 9px 13px; text-align: left; }
.article th { background: var(--surface-2); }
.back-link { font: 500 .72rem/1 var(--mono); letter-spacing: .12em; text-transform: uppercase; }
.back-link::before { content: "\2190 "; }

/* ---------- Footer: title block ---------- */
footer.titleblock { margin-top: 64px; padding: 0 0 40px; font-family: var(--mono); }
.tb-grid {
  max-width: var(--maxw); margin: 0 auto; width: calc(100% - 56px);
  display: grid; grid-template-columns: 2.4fr 1fr 1fr 1fr 1fr .7fr;
  border: 1px solid var(--text); background: var(--surface);
}
.tb-cell { padding: 9px 14px; border-right: 1px solid var(--line); min-width: 0; }
.tb-cell:last-child { border-right: 0; }
.tb-cell .k { display: block; font-size: .54rem; letter-spacing: .18em; text-transform: uppercase; color: var(--faint); margin-bottom: 2px; }
.tb-cell b { font-size: .74rem; font-weight: 600; color: var(--text); letter-spacing: .04em; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; display: block; }
.tb-cell.tb-title b { color: var(--accent-strong); }
.tb-links {
  max-width: var(--maxw); margin: 14px auto 0; width: calc(100% - 56px);
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px;
  font-size: .66rem; letter-spacing: .06em; color: var(--faint);
}
.tb-links .fl { display: flex; gap: 16px; }
.tb-links a { color: var(--muted); }
.tb-links a:hover { color: var(--accent-strong); }
@media (max-width: 860px) {
  .tb-grid { grid-template-columns: 1fr 1fr 1fr; }
  .tb-cell.tb-title { grid-column: 1 / -1; border-bottom: 1px solid var(--line); }
  .tb-cell:nth-child(4) { border-right: 1px solid var(--line); }
}

/* ---------- Home: work orders ---------- */
.now-section { padding: 8px 0 40px; }
.now-head {
  font: 600 .68rem/1 var(--mono); letter-spacing: .2em;
  text-transform: uppercase; color: var(--muted); display: flex; align-items: center; gap: 10px; margin: 0 0 14px;
}
.now-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--ok); flex: 0 0 auto;
  box-shadow: 0 0 0 0 rgba(46,125,79,.5); animation: nowPulse 2.2s infinite; }
@keyframes nowPulse {
  0% { box-shadow: 0 0 0 0 rgba(46,125,79,.5); }
  70% { box-shadow: 0 0 0 8px rgba(46,125,79,0); }
  100% { box-shadow: 0 0 0 0 rgba(46,125,79,0); }
}
.now-list { list-style: none; margin: 0; padding: 0; border: 1px solid var(--line); background: var(--surface); }
.now-card {
  display: grid; grid-template-columns: 70px 1.4fr 1fr 90px; align-items: center; gap: 14px;
  padding: 13px 18px; border-bottom: 1px solid var(--line);
  opacity: 0; transform: translateY(10px);
  transition: opacity .5s cubic-bezier(.2,.8,.2,1), transform .5s cubic-bezier(.2,.8,.2,1), background .15s ease;
}
.now-card:last-child { border-bottom: 0; }
.now-card.shown { opacity: 1; transform: none; }
.now-card:hover { background: var(--accent-soft); }
.now-idx { font: 600 .66rem/1 var(--mono); color: var(--accent-strong); letter-spacing: .1em; }
.now-label { font-family: var(--serif); font-weight: 600; font-size: 1.02rem; color: var(--text); }
.now-tag { font: 400 .7rem/1.4 var(--mono); color: var(--faint); }
.now-status { font: 600 .6rem/1 var(--mono); letter-spacing: .14em; color: var(--ok); text-align: right; }
@media (max-width: 640px) {
  .now-card { grid-template-columns: 1fr auto; gap: 4px 10px; }
  .now-idx, .now-tag { display: none; }
}

/* ---------- Home: role strips ---------- */
.roles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; padding: 8px 0 80px; }
.role-card {
  display: flex; align-items: center; text-align: left; gap: 16px;
  background: var(--surface); border: 1px solid var(--line);
  padding: 18px 20px; text-decoration: none;
  transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease;
}
.role-card:hover { transform: translate(-2px,-2px); border-color: var(--accent-strong); box-shadow: 5px 5px 0 0 rgba(0,53,107,.1); text-decoration: none; }
.role-logo {
  width: 56px; height: 56px; flex: 0 0 auto; overflow: hidden;
  background: var(--surface-2); border: 1px solid var(--line);
  display: flex; align-items: center; justify-content: center;
}
.role-logo img { width: 100%; height: 100%; object-fit: contain; padding: 7px; }
.role-logo.is-mono::after {
  content: attr(data-mono); font: 600 .8rem/1 var(--mono); letter-spacing: .03em; color: var(--accent-strong);
}
.role-name { font-family: var(--serif); font-size: 1.05rem; font-weight: 600; color: var(--text); line-height: 1.25; }
.role-org { font: 400 .68rem/1.5 var(--mono); color: var(--faint); margin-top: 3px; }
@media (max-width: 760px) { .roles { grid-template-columns: 1fr; gap: 12px; } }

/* ---------- Personal: journey map ---------- */
.map-wrap { border: 1px solid var(--text); background: var(--surface); padding: 10px; position: relative; }
.map-head {
  display: flex; justify-content: space-between; align-items: center; gap: 10px;
  padding: 4px 8px 10px; font: 600 .6rem/1 var(--mono); letter-spacing: .18em;
  text-transform: uppercase; color: var(--faint); border-bottom: 1px solid var(--line); margin-bottom: 8px;
}
.map-head b { color: var(--accent-strong); }
.journey { display: block; width: 100%; height: auto; aspect-ratio: 900 / 380; }
.journey .land {
  fill: color-mix(in srgb, var(--accent) 6%, transparent);
  stroke: color-mix(in srgb, var(--accent) 34%, transparent);
  stroke-width: .8;
}
html.dark .journey .land {
  fill: color-mix(in srgb, var(--accent) 9%, transparent);
  stroke: color-mix(in srgb, var(--accent) 40%, transparent);
}
.journey .grat { stroke: var(--grid-major); stroke-width: 1; }
/* a little aircraft symbol, forever flying the route */
.journey .route-craft { opacity: 0; transition: opacity .6s ease 3.2s; }
.journey.drawn .route-craft { opacity: 1; }
.journey .route-craft path { fill: var(--ok); }
.journey .route-craft .craft-trail { fill: none; stroke: var(--ok); stroke-width: 1; opacity: .5; }
@media (prefers-reduced-motion: reduce) { .journey .route-craft { display: none; } }
.journey .route {
  fill: none; stroke: var(--accent); stroke-width: 1.6; stroke-dasharray: 6 5;
  opacity: .9;
}
.journey.drawn .route { animation: routeDraw 3.2s cubic-bezier(.4,0,.2,1) forwards; }
@keyframes routeDraw { from { stroke-dashoffset: var(--route-len, 2400); } to { stroke-dashoffset: 0; } }
.journey .home-dot { fill: var(--accent-strong); }
.journey .home-ring { fill: none; stroke: var(--accent-strong); stroke-width: 1; opacity: .55; }
.journey .now-ring { fill: none; stroke: var(--ok); stroke-width: 1.4; }
.journey .visit { stroke: var(--faint); stroke-width: 1.4; }
.journey .city-label { font: 600 11px var(--mono); fill: var(--text); letter-spacing: .04em; }
.journey .city-sub { font: 500 9px var(--mono); fill: var(--faint); letter-spacing: .06em; }
.journey .visit-label { font: 500 9px var(--mono); fill: var(--faint); letter-spacing: .04em; }
.journey .city { cursor: default; }
.journey .city:hover .city-label { fill: var(--accent-strong); }
.map-legend {
  display: flex; gap: 22px; flex-wrap: wrap; list-style: none; margin: 12px 0 0; padding: 8px 8px 2px;
  font: 500 .66rem/1.6 var(--mono); color: var(--muted); border-top: 1px solid var(--line);
}
.map-legend b { color: var(--accent-strong); font-weight: 600; }
.map-legend .lg-now { color: var(--ok); }

/* ---------- Personal: songs ---------- */
.song-list { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 12px; }
a.song { text-decoration: none; color: inherit; cursor: pointer; }
.song {
  display: flex; align-items: center; gap: 13px; background: var(--surface);
  border: 1px solid var(--line); padding: 12px 14px;
  transition: transform .15s ease, border-color .15s ease, box-shadow .15s ease;
}
.song:hover { transform: translate(-2px,-2px); border-color: var(--accent-strong); box-shadow: 4px 4px 0 0 rgba(0,53,107,.1); }
.song-cover {
  width: 46px; height: 46px; flex: 0 0 auto; overflow: hidden;
  position: relative; display: flex; align-items: center; justify-content: center;
  background: var(--accent-soft); color: var(--accent-strong); font-size: 1.1rem;
  border: 1px solid var(--line);
}
.song-cover img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.song-cover img + .song-note { display: none; }
.song-title { font-family: var(--serif); font-weight: 600; font-size: 1rem; color: var(--text); line-height: 1.25; }
.song-artist { font: 400 .68rem/1.5 var(--mono); color: var(--faint); margin-top: 1px; }
.song-play { margin-left: auto; flex: 0 0 auto; color: var(--accent-strong); opacity: .3; font-size: .8rem; transition: opacity .15s ease, transform .15s ease; }
.song:hover .song-play { opacity: 1; transform: scale(1.12); }

/* ---------- Personal: photos as figures ---------- */
.daily-note { color: var(--muted); font-size: .95rem; margin: -6px 0 18px; }
.photo-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 18px; }
.photo-card { margin: 0; }
.photo-slot {
  position: relative; aspect-ratio: 4/3; overflow: hidden;
  background: var(--surface-2); border: 1px solid var(--line);
  display: flex; align-items: center; justify-content: center;
  transition: border-color .2s ease, box-shadow .2s ease, transform .2s ease;
}
.photo-card:hover .photo-slot { border-color: var(--accent-strong); transform: translate(-2px,-2px); box-shadow: 4px 4px 0 0 rgba(0,53,107,.1); }
.photo-slot img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; cursor: zoom-in; }
.photo-slot .ph { font-family: var(--sans); font-size: .8rem; color: var(--faint); letter-spacing: .04em; }
.photo-slot img + .ph { display: none; }
.photo-card figcaption { font: 500 .66rem/1.6 var(--mono); letter-spacing: .06em; color: var(--muted); margin-top: 9px; text-transform: uppercase; }
.photo-card figcaption b { color: var(--accent-strong); font-weight: 600; margin-right: 6px; }

/* ---------- 404 ---------- */
.err-wrap { min-height: calc(100vh - 64px); display: flex; align-items: center; }
.err-code { font: 600 .68rem/1 var(--mono); letter-spacing: .2em; color: var(--accent-strong); text-transform: uppercase; margin: 0 0 14px; display: flex; align-items: center; gap: 10px; }
.err-code::before { content: ""; width: 26px; height: 1px; background: var(--accent); }

/* ---------- States, reveal, misc ---------- */
.loading, .empty { color: var(--faint); font-family: var(--mono); font-size: .8rem; padding: 24px 0; letter-spacing: .08em; }
.reveal { opacity: 0; transform: translateY(16px); transition: opacity .6s cubic-bezier(.2,.8,.2,1), transform .6s cubic-bezier(.2,.8,.2,1); }
.reveal.in { opacity: 1; transform: none; }

::selection { background: var(--accent-strong); color: #fff; }
a:focus-visible, button:focus-visible, .btn:focus-visible, .nav-toggle:focus-visible, .gallery img:focus-visible {
  outline: 2px solid var(--accent-strong); outline-offset: 3px;
}

/* back-to-top: flat square */
.to-top {
  position: fixed; right: 26px; bottom: 26px; z-index: 95;
  width: 40px; height: 40px; border: 1px solid var(--accent-strong);
  background: var(--surface); color: var(--accent-strong); cursor: pointer;
  display: flex; align-items: center; justify-content: center; font-size: 1rem;
  opacity: 0; transform: translateY(10px); pointer-events: none;
  transition: opacity .25s ease, transform .25s ease, background .15s ease;
}
.to-top.show { opacity: 1; transform: none; pointer-events: auto; }
.to-top:hover { background: var(--accent-soft); }

main { animation: pageEnter .34s cubic-bezier(.2,.8,.2,1) both; }
@keyframes pageEnter { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal, .now-card { opacity: 1; transform: none; transition: none; }
  .landing .hello, .landing h1, .landing .tagline, .landing .lede, .landing .bom,
  .landing .hero-roles, .landing .cta, .landing .quick-links, .hero-visual { animation: none; opacity: 1; transform: none; }
  main { animation: none; }
  .scroll-cue::after, .now-dot, .xh-loader span, .ldr-label { animation: none; }
  .journey.drawn .route { animation: none; stroke-dashoffset: 0; }
}

/* ---------- Scrollbar (matches the sheet) ---------- */
html { scrollbar-width: thin; scrollbar-color: var(--line) var(--paper); }
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--paper); }
::-webkit-scrollbar-thumb { background: var(--line); border: 2px solid var(--paper); }
::-webkit-scrollbar-thumb:hover { background: var(--accent); }

/* ---------- Print (CV) ---------- */
@media print {
  .topbar, .sheet-frame, .to-top, .scroll-cue, .theme-btn { display: none !important; }
  body { background: #fff; }
  .reveal { opacity: 1; transform: none; }
  a { color: #000; }
}

/* ============================================================
   DARK MODE — "night shift at the workshop"
   ============================================================ */
html.dark {
  --paper:     #0f1722;
  --surface:   #16212e;
  --surface-2: #1e2b3a;
  --line:      #314153;
  --border:    #2b3a4b;
  --text:      #e9eef4;
  --muted:     #aebac7;
  --faint:     #7d8b9a;
  --accent:        #59a6f0;
  --accent-strong: #7cbcf7;
  --accent-deep:   #2e6fb0;
  --accent-soft:   rgba(124,188,247,.12);
  --ok:        #4cd06e;
  --grid-minor: rgba(135,175,225,.05);
  --grid-major: rgba(135,175,225,.085);
  color-scheme: dark;
}
html.dark .entry .what ul, html.dark .entry .what p { color: #c4d0dc; }
html.dark .article p, html.dark .article li { color: #cdd8e3; }
html.dark ::selection { color: #08121d; }
html.dark .btn { background: var(--surface); color: var(--accent-strong); border-color: var(--accent-strong); }
html.dark .btn.primary { background: var(--accent-strong); color: #08121d; }
html.dark .btn.primary:hover { background: var(--accent); }
html.dark .pf-btn.active { color: #08121d; }
html.dark .ptile, html.dark .pm-sheet, html.dark .map-wrap { border-color: var(--line); }
html.dark .tb-grid { border-color: var(--line); }
html.dark .about-photo { border-color: var(--line); }
html.dark .ptile { box-shadow: 4px 4px 0 0 rgba(0,0,0,.3); }
html.dark .ptile:hover, html.dark .ptile:focus-visible { box-shadow: 7px 7px 0 0 rgba(0,0,0,.4); }
html.dark .article pre { background: #0a1018; border-color: var(--line); }
html.dark .pm-head { border-bottom-color: var(--line); }
html.dark .nowrap { color: inherit; }

/* ============================================================
   DRAFTING CURSOR — crosshair guides, live coords, grid snap,
   bracket lock on interactive elements (fine pointers only)
   ============================================================ */
@media (pointer: fine) {
  html.has-xcur, html.has-xcur * { cursor: none !important; }
}
.xcur span, .xcur i { position: fixed; left: 0; top: 0; pointer-events: none; }
.xcur > span { z-index: 9999; opacity: 0; transition: opacity .25s ease; }
html.xcur-on .xcur > span { opacity: 1; }
.xc-h { width: 100vw; height: 1px; background: color-mix(in srgb, var(--accent) 30%, transparent); }
.xc-v { height: 100vh; width: 1px; background: color-mix(in srgb, var(--accent) 30%, transparent); }
.xc-dot { width: 5px; height: 5px; margin: -2.5px 0 0 -2.5px; background: var(--accent-strong); }
/* nearest grid intersection — snap cross */
.xc-snap {
  width: 11px; height: 11px; margin: -5.5px 0 0 -5.5px;
  background:
    linear-gradient(var(--accent) 0 0) center / 100% 1.5px no-repeat,
    linear-gradient(90deg, var(--accent) 0 0) center / 1.5px 100% no-repeat;
  transition: transform .1s ease-out, opacity .25s ease;
}
/* live coordinate readout */
.xc-read {
  font: 500 .56rem/1 var(--mono); letter-spacing: .1em; white-space: pre;
  color: var(--accent-strong); background: color-mix(in srgb, var(--paper) 85%, transparent);
  border: 1px solid var(--line); padding: 3px 6px;
}
/* bracket that locks onto interactive elements */
.xc-box { opacity: 0 !important; transition: transform .16s cubic-bezier(.2,.8,.2,1), width .16s cubic-bezier(.2,.8,.2,1), height .16s cubic-bezier(.2,.8,.2,1), opacity .15s ease; }
.xcur.lock .xc-box { opacity: 1 !important; }
.xc-box i { position: absolute; width: 9px; height: 9px; border: 1.5px solid var(--accent-strong); }
.xc-box .b1 { left: 0; top: 0; border-right: 0; border-bottom: 0; }
.xc-box .b2 { right: 0; top: 0; left: auto; border-left: 0; border-bottom: 0; }
.xc-box .b3 { left: 0; bottom: 0; top: auto; border-right: 0; border-top: 0; }
.xc-box .b4 { right: 0; bottom: 0; left: auto; top: auto; border-left: 0; border-top: 0; }
/* while locked, quiet the guides */
.xcur.lock .xc-h, .xcur.lock .xc-v { opacity: .14; }
.xcur.lock .xc-snap, .xcur.lock .xc-read { opacity: 0; }
@media (prefers-reduced-motion: reduce) { .xc-snap, .xc-box { transition: none; } }

/* cursor-following grid reveal (all pages, behind content) */
.grid-glow {
  position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background-image:
    linear-gradient(rgba(0,53,107,.20) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,53,107,.20) 1px, transparent 1px);
  background-size: 28px 28px; background-position: -1px -1px;
  -webkit-mask: radial-gradient(circle 180px at var(--mx, -400px) var(--my, -400px), #000, rgba(0,0,0,.3) 55%, transparent 76%);
          mask: radial-gradient(circle 180px at var(--mx, -400px) var(--my, -400px), #000, rgba(0,0,0,.3) 55%, transparent 76%);
}
html.dark .grid-glow {
  background-image:
    linear-gradient(rgba(150,190,240,.20) 1px, transparent 1px),
    linear-gradient(90deg, rgba(150,190,240,.20) 1px, transparent 1px);
}
html.dark .xc-h, html.dark .xc-v { background: color-mix(in srgb, var(--accent) 36%, transparent); }

/* ============================================================
   DOCK — flat sheet-tab rail (desktop)
   ============================================================ */
.dock { display: none; }
@media (min-width: 900px) {
  html.js .topbar .nav-links { display: none; }   /* dock takes over navigation */
  body { padding-right: 88px; }
  .dock {
    position: fixed; right: 26px; top: 50%; transform: translateY(-50%); z-index: 85;
    display: flex; flex-direction: column;
    border: 1px solid var(--text); background: var(--surface);
    box-shadow: 4px 4px 0 0 rgba(0,53,107,.08);
  }
  .dock-link {
    position: relative; width: 46px; height: 44px;
    display: flex; align-items: center; justify-content: center;
    color: var(--muted); border: 0; border-bottom: 1px solid var(--line);
    background: none; font: 600 .68rem var(--mono); letter-spacing: .06em;
    cursor: pointer; transition: color .15s ease, background .15s ease;
  }
  .dock .dock-link:last-child { border-bottom: 0; }
  .dock-link:hover { color: var(--accent-strong); background: var(--accent-soft); text-decoration: none; }
  .dock-link.active { background: var(--accent-strong); color: #fff; }
  .dock-link svg { width: 16px; height: 16px; }
  .dock-label {
    position: absolute; right: calc(100% + 12px); top: 50%;
    transform: translateY(-50%) translateX(5px); opacity: 0; pointer-events: none;
    white-space: nowrap; font: 500 .6rem/1 var(--mono); letter-spacing: .16em; text-transform: uppercase;
    color: var(--accent-strong); background: var(--paper); border: 1px solid var(--line);
    padding: 5px 9px; transition: opacity .15s ease, transform .15s ease;
  }
  .dock-link:hover .dock-label, .dock-link:focus-visible .dock-label { opacity: 1; transform: translateY(-50%); }
}
html.dark .dock { border-color: var(--line); box-shadow: 4px 4px 0 0 rgba(0,0,0,.35); }
html.dark .dock-link.active { color: #08121d; }