/* ============================================================
   Blueprint / Blocklayer portfolio — site.css
   Built on design-system/styles.css tokens. No framework.
   ============================================================ */

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  -webkit-font-smoothing: antialiased;
}
img, canvas { display: block; max-width: 100%; }
a { color: var(--link); }
a:hover { color: var(--link-hover); }
.visually-hidden {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

.wrap { max-width: 1040px; margin: 0 auto; padding-left: 32px; padding-right: 32px; }

/* ---------- asymmetric shell: content column + right margin for annotations ----------
   design-system/readme.md calls for an offset-left content column with a wide right
   margin reserved for annotations, rather than a centered symmetric wrap. Used on
   sections that carry a margin note (education, about, statement, contact). */
.wrap--annotated {
  max-width: 1160px; margin: 0 auto; padding-left: 32px; padding-right: 32px;
  display: grid; grid-template-columns: minmax(0, 1fr) 180px; column-gap: 40px; align-items: start;
}
.margin-note {
  position: sticky; top: 84px;
  font-family: var(--font-mono); font-size: var(--text-xs); letter-spacing: var(--tracking-wide);
  color: var(--anno-quiet); line-height: var(--leading-mono);
  padding-top: 4px; border-top: 1px solid var(--border-default);
}
@media (max-width: 900px) {
  .wrap--annotated { grid-template-columns: 1fr; }
  .margin-note { position: static; border-top: none; border-left: 2px solid var(--border-default);
    padding: 0 0 0 12px; margin-bottom: 20px; }
}

/* ---------- eyebrow / section label ---------- */
.eyebrow {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--anno-strong);
  display: inline-flex; flex-direction: column; gap: 6px;
}
.eyebrow__rule {
  display: block; width: 28px; height: 1.5px; background: var(--border-strong); transform-origin: left;
  transform: scaleX(0); transition: transform 320ms var(--ease-out) 80ms;
}

/* ---------- scroll reveal ---------- */
.reveal { opacity: 0; transform: translateY(8px); transition: opacity var(--duration-base) var(--ease-out), transform var(--duration-base) var(--ease-out); }
.reveal.is-visible { opacity: 1; transform: translateY(0); }
.reveal.is-visible .eyebrow__rule { transform: scaleX(1); }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .eyebrow__rule { transform: scaleX(1); transition: none; }
}

/* ============================================================
   NAV
   ============================================================ */
.nav {
  position: sticky; top: 0; z-index: 40;
  display: flex; justify-content: space-between; align-items: center;
  padding: 18px 32px;
  border-bottom: 1px solid var(--border-default);
  background: var(--paper);
  font-family: var(--font-mono);
}
.nav__wordmark {
  font-size: var(--text-sm);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--ink);
  text-decoration: none;
}
.nav__links { display: flex; gap: 28px; list-style: none; margin: 0; padding: 0; }
.nav__link {
  display: block;
  font-size: var(--text-sm);
  text-transform: lowercase;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1.5px solid transparent;
  padding-bottom: 2px;
  width: fit-content;
  transition: border-color var(--duration-base) var(--ease-out), color var(--duration-base) var(--ease-out);
}
.nav__link:hover, .nav__link:focus-visible, .nav__link.is-active {
  color: var(--blue);
  border-bottom-color: var(--blue);
}
.nav__toggle {
  display: none;
  background: transparent; border: 1px solid var(--border-default); border-radius: var(--radius-sm);
  color: var(--ink); font-family: var(--font-mono); font-size: var(--text-xs);
  padding: 6px 10px; cursor: pointer;
}

/* ============================================================
   TITLE BLOCK — drafting title block, first thing on the page
   ============================================================ */
.titleblock {
  border-bottom: 1px solid var(--border-default);
  background-image:
    repeating-linear-gradient(var(--border-default) 0 1px, transparent 1px 32px),
    repeating-linear-gradient(90deg, var(--border-default) 0 1px, transparent 1px 32px);
  padding: 28px 0 0;
}
.titleblock__row {
  display: flex; justify-content: space-between; align-items: baseline;
  padding-bottom: 18px; border-bottom: 1px solid var(--border-strong);
}
.titleblock__wordmark {
  font-family: var(--font-mono); font-size: var(--text-sm);
  letter-spacing: var(--tracking-widest); text-transform: uppercase; color: var(--ink);
}
.titleblock__stamp {
  font-family: var(--font-mono); font-size: var(--text-xs); color: var(--anno-quiet);
  letter-spacing: var(--tracking-wide);
}
.titleblock__facts {
  margin: 0; padding: 16px 0 20px;
  display: grid; gap: 8px 24px;
  grid-template-columns: max-content 1fr;
}
.titleblock__facts dt {
  font-family: var(--font-mono); font-size: var(--text-xs); letter-spacing: var(--tracking-widest);
  text-transform: uppercase; color: var(--anno-strong); align-self: baseline;
}
.titleblock__facts dd {
  margin: 0; font-family: var(--font-body); font-size: var(--text-sm); color: var(--ink);
}

/* ============================================================
   HERO — real artifact, no headline
   ============================================================ */
.hero { padding: 40px 0 var(--space-8); }
.hero__stage {
  position: relative;
  border: 1px solid var(--border-mid);
  background: var(--surface-raised);
  aspect-ratio: 16 / 10;
  overflow: hidden;
}
.hero__canvas { width: 100%; height: 100%; touch-action: none; cursor: grab; }
.hero__canvas:active { cursor: grabbing; }
.hero__stage-note {
  position: absolute; top: 12px; left: 12px;
  font-family: var(--font-mono); font-size: var(--text-xs); letter-spacing: var(--tracking-wide);
  color: var(--anno-quiet); background: color-mix(in srgb, var(--paper) 82%, transparent);
  padding: 3px 8px; border: 1px solid var(--border-default); border-radius: var(--radius-sm);
  pointer-events: none;
}
.hero__stage-hint {
  position: absolute; bottom: 12px; right: 12px;
  font-family: var(--font-mono); font-size: var(--text-xs);
  color: var(--anno-quiet); background: color-mix(in srgb, var(--paper) 82%, transparent);
  padding: 3px 8px; border: 1px solid var(--border-default); border-radius: var(--radius-sm);
  pointer-events: none;
}
.hero__loading {
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  font-family: var(--font-mono); font-size: var(--text-xs); color: var(--anno-quiet);
  background: var(--surface-raised); transition: opacity var(--duration-base) var(--ease-out);
}
.hero__loading[hidden] { display: none; }
.hero__caption {
  font-family: var(--font-mono); font-size: var(--text-xs); color: var(--anno-quiet);
  margin-top: 10px;
}

/* ============================================================
   PROJECTS — grid-paper background, build log
   ============================================================ */
.projects {
  border-top: 1px solid var(--border-default);
  border-bottom: 1px solid var(--border-default);
  background-image:
    repeating-linear-gradient(var(--border-default) 0 1px, transparent 1px 32px),
    repeating-linear-gradient(90deg, var(--border-default) 0 1px, transparent 1px 32px);
  position: relative;
}
.projects__inner { padding: var(--space-9) 32px; }
.projects__heading { margin-bottom: 8px; }
.status-key {
  display: flex; flex-wrap: wrap; gap: 4px 18px;
  list-style: none; margin: 0 0 28px; padding: 0;
}
.status-key__item {
  display: inline-flex; align-items: center; gap: 7px;
  font-family: var(--font-mono); font-size: var(--text-xs); color: var(--anno-quiet);
}
.status-key__swatch {
  width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0;
  background: transparent; border: 1.5px solid var(--border-mid);
}
.status-key__swatch--shipped { background: var(--blue); border-color: var(--blue); }
.status-key__swatch--in-progress, .status-key__swatch--ongoing { background: var(--rust); border-color: var(--rust); }
.status-key__swatch--planned { background: transparent; border: 1.5px dashed var(--border-mid); }

.projects__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
@media (max-width: 900px) { .projects__grid { grid-template-columns: 1fr; } }

.project-card {
  background: var(--surface-card);
  border: 1px solid var(--border-mid);
  border-radius: var(--radius-none);
  transition: border-color var(--duration-base) var(--ease-out);
  grid-column: span 1;
}
.project-card:hover { border-color: var(--border-strong); }
.project-card.is-accent:hover { border-color: var(--border-accent); }
.project-card.is-expanded { grid-column: 1 / -1; }

/* "now building" feature card — always spans full width, sits first, demo visible
   without needing to expand it. Reads as the first read of the section. */
.project-card--feature {
  grid-column: 1 / -1;
  border-width: 1.5px;
  border-color: var(--border-accent);
}
.project-card--feature:hover { border-color: var(--rust); }

.project-card__toggle {
  width: 100%; text-align: left; background: transparent; border: none; cursor: pointer;
  padding: 20px; display: flex; flex-direction: column; gap: 12px; font: inherit; color: inherit;
}
.project-card__row { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; }
.project-card__index {
  font-family: var(--font-mono); font-size: var(--text-xs); color: var(--anno-quiet);
  transition: color var(--duration-base) var(--ease-out);
}
.project-card:hover .project-card__index { color: var(--blue); }
.project-card.is-accent:hover .project-card__index { color: var(--rust); }
.project-card__title {
  font-family: var(--font-display); font-size: var(--text-lg); color: var(--ink);
  line-height: var(--leading-snug); margin: 0;
}
.project-card--feature .project-card__title { font-size: var(--text-xl); }
.project-card__blurb { font-family: var(--font-body); font-size: var(--text-sm); color: var(--text-secondary); margin: 0; }
.project-card__meta { display: flex; justify-content: space-between; align-items: flex-end; gap: 12px; }
.project-card__metric { font-family: var(--font-mono); font-size: var(--text-xs); color: var(--rust); }
.project-card__tags { display: flex; gap: 6px; flex-wrap: wrap; }
.project-card__caret {
  font-family: var(--font-mono); font-size: var(--text-xs); color: var(--anno-quiet);
  transition: transform var(--duration-base) var(--ease-out);
  flex-shrink: 0;
}
.project-card.is-expanded .project-card__caret { transform: rotate(180deg); }

.project-card__panel {
  overflow: hidden;
  max-height: 0;
  transition: max-height var(--duration-base) var(--ease-in-out);
}
.project-card.is-expanded .project-card__panel { max-height: 3000px; }
.project-card__panel-inner {
  padding: 0 20px 24px; border-top: 1px solid var(--border-default); margin-top: 4px; padding-top: 20px;
}
.writeup { display: grid; gap: 18px; }
@media (min-width: 640px) { .writeup { grid-template-columns: repeat(3, 1fr); } }
.writeup--two { grid-template-columns: repeat(2, 1fr) !important; }
.writeup__block h4 {
  font-family: var(--font-mono); font-size: var(--text-xs); letter-spacing: var(--tracking-widest);
  text-transform: uppercase; color: var(--anno-strong); margin: 0 0 8px;
}
.writeup__block p {
  font-family: var(--font-body); font-size: var(--text-sm); line-height: var(--leading-normal);
  color: var(--ink); margin: 0;
}
.writeup__quote {
  border-left: 2px solid var(--border-accent);
  padding-left: 12px;
}
.writeup__note {
  font-family: var(--font-body); font-size: var(--text-sm); line-height: var(--leading-normal);
  color: var(--text-secondary); margin: 0; font-style: italic;
}

/* ---------- Tag / Badge ---------- */
.tag {
  font-family: var(--font-mono); font-size: var(--text-xs); letter-spacing: var(--tracking-wide);
  padding: 3px 8px; border-radius: var(--radius-sm); display: inline-block; line-height: 1.4;
  background: transparent; color: var(--ink); border: 1px solid var(--border-mid);
}
.tag--filled { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.tag--accent { background: var(--rust-12); color: var(--rust); border-color: var(--rust); }

.badge {
  font-family: var(--font-mono); font-size: var(--text-xs); letter-spacing: var(--tracking-widest);
  text-transform: uppercase; padding: 3px 8px; border-radius: var(--radius-sm);
  display: inline-block; white-space: nowrap;
}
.badge--shipped { color: var(--blue); border: 1px solid var(--blue); }
.badge--in-progress, .badge--ongoing { color: var(--rust); border: 1px solid var(--rust); }
.badge--planned { color: var(--text-secondary); border: 1px dashed var(--border-mid); }

/* ============================================================
   BALLBOT DEMO (embedded in the Ballbot project panel)
   ============================================================ */
.ballbot-demo { display: grid; gap: 16px; grid-template-columns: 1fr; }
@media (min-width: 640px) { .ballbot-demo { grid-template-columns: 300px 1fr; } }
.ballbot-demo__stage {
  border: 1px solid var(--border-mid); background: var(--surface-raised);
  aspect-ratio: 4 / 3; position: relative;
}
.ballbot-demo__canvas { width: 100%; height: 100%; touch-action: none; cursor: crosshair; }
.ballbot-demo__hint {
  position: absolute; bottom: 8px; left: 8px; right: 8px;
  font-family: var(--font-mono); font-size: var(--text-xs); color: var(--anno-quiet);
  text-align: center;
}
.ballbot-demo__readout {
  font-family: var(--font-mono); font-size: var(--text-xs); color: var(--anno-quiet);
  display: flex; flex-direction: column; gap: 6px; justify-content: center;
}
.ballbot-demo__readout strong { color: var(--ink); font-weight: 500; }
.ballbot-demo__readout .row { display: flex; justify-content: space-between; gap: 8px; }

/* ============================================================
   EDUCATION TIMELINE
   ============================================================ */
.education { padding: var(--space-8) 0; border-bottom: 1px solid var(--border-default); }
.timeline { position: relative; margin-top: 24px; padding-left: 24px; border-left: 1px solid var(--border-default); }
.timeline__item { position: relative; padding-bottom: 28px; }
.timeline__item:last-child { padding-bottom: 0; }
.timeline__item::before {
  content: ""; position: absolute; left: -28px; top: 4px; width: 8px; height: 8px;
  background: var(--paper); border: 1.5px solid var(--blue); border-radius: 50%;
}
.timeline__item.is-self-taught::before { border-color: var(--rust); }
.timeline__kind {
  font-family: var(--font-mono); font-size: var(--text-xs); letter-spacing: var(--tracking-wide);
  color: var(--anno-strong); text-transform: uppercase; margin-bottom: 4px;
}
.timeline__title {
  font-family: var(--font-display); font-size: var(--text-md); color: var(--ink); margin: 0 0 4px;
}
.timeline__evidence {
  font-family: var(--font-mono); font-size: var(--text-xs);
  display: inline-flex; align-items: center; gap: 4px; text-decoration: none;
  border-bottom: 1px solid transparent;
}
.timeline__evidence:hover { border-bottom-color: currentColor; }

/* ============================================================
   ABOUT
   ============================================================ */
.about { padding: var(--space-8) 0; }
.about__grid { display: grid; gap: 32px; }
.quote {
  font-family: var(--font-display); font-style: italic; font-size: var(--text-md);
  line-height: var(--leading-snug); color: var(--ink); margin: 0 0 8px;
  border-left: 2px solid var(--border-mid); padding-left: 16px;
}
.quote__label {
  font-family: var(--font-mono); font-size: var(--text-xs); letter-spacing: var(--tracking-wide);
  color: var(--anno-quiet); margin: 0 0 24px 18px;
}

/* ============================================================
   CLOSING STATEMENT — largest, most concrete text on the page
   ============================================================ */
.closing {
  background: var(--surface-sunken);
  border-top: var(--border-strong) 2px solid;
  border-bottom: 1px solid var(--border-default);
  padding: var(--space-10) 0;
}
.closing__text {
  font-family: var(--font-display); font-size: var(--text-2xl); line-height: var(--leading-tight);
  color: var(--ink); margin: 0;
}
@media (min-width: 900px) { .closing__text { font-size: var(--text-3xl); } }

/* ============================================================
   TWO-COLUMN: about / contact rows share this
   ============================================================ */
.split { display: grid; gap: 48px; padding: 0; }
@media (min-width: 720px) { .split { grid-template-columns: 1fr 1fr; } }
.split__heading { margin-bottom: 16px; }
.contact-section { background: var(--surface-sunken); padding: var(--space-8) 0; }

/* ---------- form fields ---------- */
.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 14px; }
.field__label {
  font-family: var(--font-mono); font-size: var(--text-xs); color: var(--anno-quiet);
  letter-spacing: var(--tracking-wide);
}
.field__input, .field__textarea {
  font-family: var(--font-body); font-size: var(--text-sm); color: var(--ink);
  background: var(--surface-raised); border: 1px solid var(--border-mid);
  border-radius: var(--radius-sm); padding: 10px 12px; width: 100%;
  outline: none; transition: border-color var(--duration-fast) var(--ease-out);
}
.field__input:focus, .field__textarea:focus { border-color: var(--blue); }
.field__textarea { resize: vertical; }

/* ---------- button ---------- */
.btn {
  font-family: var(--font-mono); font-size: var(--text-sm); letter-spacing: var(--tracking-wide);
  text-transform: lowercase; padding: 12px 22px; border: 1.5px solid transparent;
  border-radius: var(--radius-none); cursor: pointer; display: inline-flex; align-items: center; gap: 8px;
  transition: background var(--duration-fast) var(--ease-out), color var(--duration-fast) var(--ease-out),
    border-color var(--duration-fast) var(--ease-out), transform var(--duration-fast) var(--ease-out);
  text-decoration: none;
}
.btn:active { transform: translateY(1px); }
.btn--sm { font-size: var(--text-xs); padding: 8px 14px; }
.btn--primary { background: var(--accent-primary); color: var(--text-on-accent); border-color: var(--accent-primary); }
.btn--primary:hover { background: var(--accent-primary-hover); }
.btn--secondary { background: transparent; color: var(--ink); border-color: var(--border-strong); }
.btn--secondary:hover { background: var(--ink); color: var(--paper); }
.btn--ghost { background: transparent; color: var(--ink); border-color: transparent; }
.btn--ghost:hover { background: var(--ink-12); }
.btn[disabled] { opacity: 0.4; cursor: default; pointer-events: none; }

/* ============================================================
   CURRENTLY (Lanyard) STRIP
   ============================================================ */
.currently {
  border-top: 1px solid var(--border-default);
  padding: 20px 0;
}
.currently__inner {
  display: flex; align-items: center; gap: 12px;
  font-family: var(--font-mono); font-size: var(--text-xs); color: var(--anno-quiet);
}
.currently__dot {
  width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0;
  background: var(--ink-30); border: 1px solid var(--border-default);
}
.currently__dot[data-status="online"] { background: var(--blue); border-color: var(--blue); }
.currently__dot[data-status="idle"] { background: var(--paper); border: 1.5px solid var(--rust); }
.currently__dot[data-status="dnd"] { background: var(--rust); border-color: var(--rust); }
.currently__dot[data-status="offline"], .currently__dot[data-status="unconfigured"] { background: transparent; border: 1px dashed var(--border-default); }
.currently__label { color: var(--ink); }
.currently__art { width: 28px; height: 28px; border: 1px solid var(--border-default); object-fit: cover; flex-shrink: 0; }
.currently__song { display: flex; flex-direction: column; gap: 2px; min-width: 0; flex: 1; }
.currently__song-title { color: var(--ink); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.currently__progress { height: 2px; background: var(--border-default); position: relative; margin-top: 2px; }
.currently__progress-bar { position: absolute; left: 0; top: 0; bottom: 0; background: var(--rust); width: 0%; }

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  border-top: 1px solid var(--border-default);
  padding: 24px 32px;
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px;
  font-family: var(--font-mono); font-size: var(--text-xs); color: var(--anno-quiet);
  max-width: 1040px; margin: 0 auto;
}

/* ============================================================
   MOTION DETAIL — CAD cursor coordinate readout (grid-paper section only)
   ============================================================ */
.coord-readout {
  position: fixed;
  pointer-events: none;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: var(--tracking-wide);
  color: var(--blue);
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  border: 1px solid var(--blue-40);
  border-radius: var(--radius-sm);
  padding: 2px 6px;
  opacity: 0;
  transform: translate(14px, 14px);
  transition: opacity var(--duration-base) var(--ease-out);
  z-index: 30;
  white-space: nowrap;
}
.coord-readout.is-visible { opacity: 1; }
@media (hover: none) { .coord-readout { display: none; } }

/* ============================================================
   RESPONSIVE — nav
   ============================================================ */
@media (max-width: 640px) {
  .nav { padding: 14px 20px; }
  .nav__links { position: fixed; inset: 57px 0 0 0; background: var(--paper); flex-direction: column;
    gap: 0; padding: 8px 20px; transform: translateY(-8px); opacity: 0; pointer-events: none;
    transition: opacity var(--duration-base) var(--ease-out), transform var(--duration-base) var(--ease-out);
    border-bottom: 1px solid var(--border-default); }
  .nav__links.is-open { opacity: 1; pointer-events: auto; transform: translateY(0); }
  .nav__link { padding: 14px 0; border-bottom: 1px solid var(--border-default); width: 100%; }
  .nav__toggle { display: inline-block; }
  .wrap, .wrap--annotated, .projects__inner, .footer { padding-left: 20px; padding-right: 20px; }
  .titleblock__row { flex-wrap: wrap; gap: 6px; }
  .titleblock__facts { grid-template-columns: 1fr; }
}