/* ============================================================
   SITE — page and component styles shared by index, projects,
   project detail pages, certifications and experience.

   (Was home.css. Renamed because every page loaded it, not
   just the home page.)

   Requires: variables.css, global.css
   ============================================================ */

/* ============================================================
   1. HERO — set as a drawing title block.
   An engineering drawing carries a title block: the framed
   panel holding part name, revision, scale and author. The
   hero is that block for the person.
   ============================================================ */
.hero {
  padding-block: clamp(48px, 6vw, 96px) var(--section-gap);
}

.hero__sheet {
  position: relative;
  border: 1px solid var(--c-rule);
  border-radius: var(--r-md);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.014), transparent 55%);
  overflow: hidden;
}

/* Corner registration ticks, always visible on the hero. */
.hero__sheet::before,
.hero__sheet::after {
  content: '';
  position: absolute;
  width: 14px;
  height: 14px;
  border-color: var(--c-accent);
  border-style: solid;
  pointer-events: none;
}
.hero__sheet::before { top: -1px; left: -1px;  border-width: 1px 0 0 1px; }
.hero__sheet::after  { top: -1px; right: -1px; border-width: 1px 1px 0 0; }

.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr);
  gap: clamp(24px, 4vw, 64px);
  align-items: center;
  padding: clamp(28px, 4vw, 56px);
}

.hero__name {
  font-family: var(--font-display);
  font-size: var(--t-4xl);
  line-height: 0.98;
  letter-spacing: var(--track-display);
  color: var(--c-ink);
  margin-block: var(--space-2) var(--space-3);
}
.hero__name em {
  display: block;
  font-style: italic;
  color: var(--c-accent);
}

.hero__role {
  font-family: var(--font-mono);
  font-size: var(--t-sm);
  letter-spacing: var(--track-mono);
  color: var(--c-ink);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--c-rule);
  margin-bottom: var(--space-3);
}

.hero__bio {
  max-width: 46ch;
  font-size: var(--t-lg);
  line-height: var(--lh-loose);
  color: var(--c-ink-muted);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-4);
}

/* Portrait, framed like a drawing view with a dimension label. */
.hero__portrait {
  position: relative;
  align-self: center;
  width: 100%;
  max-width: 340px;
  margin-inline: auto;
}
.hero__portrait img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  border: 1px solid var(--c-rule-strong);
  border-radius: var(--r-sm);
  filter: grayscale(0.35) contrast(1.04);
  transition: filter var(--dur-slow) var(--ease-out);
}
.hero__portrait:hover img { filter: grayscale(0) contrast(1); }

/* View label, as on a drawing: "VIEW A — 1:1" */
.hero__portrait figcaption {
  position: absolute;
  left: 0;
  bottom: -26px;
  font-family: var(--font-mono);
  font-size: var(--t-2xs);
  letter-spacing: var(--track-mono);
  text-transform: uppercase;
  color: var(--c-ink-faint);
}

/* --- Title-block data strip along the bottom of the hero --- */
.title-block {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--c-rule);
}

.title-block__cell {
  padding: var(--space-3) clamp(16px, 2.4vw, 28px);
  border-left: 1px solid var(--c-rule);
}
.title-block__cell:first-child { border-left: 0; }

.title-block__key {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--t-2xs);
  letter-spacing: var(--track-label);
  text-transform: uppercase;
  color: var(--c-ink-faint);
  margin-bottom: 6px;
}
.title-block__val {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--t-sm);
  font-weight: 600;
  color: var(--c-ink);
  letter-spacing: 0.02em;
}

/* Teal is the status colour and is used here and nowhere else
   in the hero — it marks availability, not decoration. */
.title-block__val--signal { color: var(--c-signal); }

@media (max-width: 900px) {
  .hero__grid { grid-template-columns: 1fr; }
  .hero__portrait { order: -1; max-width: 220px; margin-inline: 0; }
  .hero__portrait figcaption { position: static; margin-top: 8px; }
  .title-block { grid-template-columns: repeat(2, 1fr); }
  .title-block__cell:nth-child(3) { border-top: 1px solid var(--c-rule); }
  .title-block__cell:nth-child(4) { border-top: 1px solid var(--c-rule); }
  .title-block__cell:nth-child(odd) { border-left: 0; }
}

@media (max-width: 460px) {
  .title-block { grid-template-columns: 1fr; }
  .title-block__cell { border-left: 0; border-top: 1px solid var(--c-rule); }
  .title-block__cell:first-child { border-top: 0; }
}

/* ============================================================
   2. SECTION HEADERS
   ============================================================ */
.section-head { margin-bottom: var(--space-6); }

.section-head__count {
  font-family: var(--font-mono);
  font-size: var(--t-xs);
  color: var(--c-ink-faint);
  letter-spacing: var(--track-mono);
}

/* ============================================================
   3. WORK CARDS — a project reads as a spec sheet:
   ID · discipline in the header rail, then title, summary,
   a keyed data table, then tools.
   ============================================================ */
.work-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(340px, 100%), 1fr));
  gap: var(--column-gap);
}

.work-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* Header rail: part number left, discipline right. */
.work-card__rail {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  padding: 10px var(--card-padding);
  border-bottom: 1px solid var(--c-rule);
  background: rgba(255, 255, 255, 0.015);
}
.work-card__id {
  font-family: var(--font-mono);
  font-size: var(--t-2xs);
  font-weight: 600;
  letter-spacing: var(--track-mono);
  color: var(--c-accent);
}
.work-card__discipline {
  font-family: var(--font-mono);
  font-size: var(--t-2xs);
  letter-spacing: var(--track-label);
  text-transform: uppercase;
  color: var(--c-ink-faint);
}

.work-card__figure {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--c-surface-3);
  border-bottom: 1px solid var(--c-rule);
}
.work-card__figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--dur-slow) var(--ease-out);
}
@media (prefers-reduced-motion: no-preference) {
  .work-card:hover .work-card__figure img { transform: scale(1.04); }
}

/* Placeholder that looks like an empty drawing view, not an emoji. */
.figure-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  height: 100%;
  color: var(--c-ink-faint);
  background-image:
    repeating-linear-gradient(to right,  var(--grid-minor) 0 1px, transparent 1px 16px),
    repeating-linear-gradient(to bottom, var(--grid-minor) 0 1px, transparent 1px 16px);
}
.figure-empty svg { opacity: 0.5; }
.figure-empty span {
  font-family: var(--font-mono);
  font-size: var(--t-2xs);
  letter-spacing: var(--track-mono);
  text-transform: uppercase;
}

.work-card__body {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  flex-grow: 1;
  padding: var(--card-padding);
}

.work-card__title {
  font-family: var(--font-display);
  font-size: var(--t-xl);
  line-height: var(--lh-snug);
  letter-spacing: var(--track-display);
  color: var(--c-ink);
  transition: color var(--dur-fast) var(--ease-out);
}
.work-card:hover .work-card__title { color: var(--c-accent); }

/* Whole-card link: the title anchor covers the card, so the
   card is one click target with one accessible name. */
.work-card__title a::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 1;
}

.work-card__summary {
  flex-grow: 1;
  font-size: var(--t-base);
  line-height: var(--lh-loose);
  color: var(--c-ink-muted);
}

/* Keyed data table — the actual "datasheet" element. */
.spec {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 6px var(--space-2);
  padding-block: var(--space-2);
  border-top: 1px solid var(--c-rule);
  border-bottom: 1px solid var(--c-rule);
}
.spec dt {
  font-family: var(--font-mono);
  font-size: var(--t-2xs);
  letter-spacing: var(--track-label);
  text-transform: uppercase;
  color: var(--c-ink-faint);
  white-space: nowrap;
}
.spec dd {
  font-family: var(--font-mono);
  font-size: var(--t-xs);
  color: var(--c-ink);
  font-variant-numeric: tabular-nums;
}

.work-card__footer {
  position: relative;
  z-index: 2;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  padding-top: var(--space-2);
}

/* ============================================================
   4. CERTIFICATE CARDS
   ============================================================ */
.cert-list {
  display: flex;
  flex-direction: column;
  gap: var(--column-gap);
}

.cert-card {
  display: grid;
  grid-template-columns: 260px 1fr;
  overflow: hidden;
}

.cert-card__figure {
  position: relative;
  border-right: 1px solid var(--c-rule);
  background: var(--c-surface-3);
  min-height: 100%;
}
.cert-card__figure img {
  width: 100%;
  height: 100%;
  min-height: 180px;
  object-fit: cover;
  object-position: top center;
}

.cert-card__body { padding: var(--card-padding); }

.cert-card__issuer {
  font-family: var(--font-mono);
  font-size: var(--t-2xs);
  font-weight: 600;
  letter-spacing: var(--track-label);
  text-transform: uppercase;
  color: var(--c-accent);
}

.cert-card__title {
  font-family: var(--font-display);
  font-size: var(--t-xl);
  line-height: var(--lh-snug);
  letter-spacing: var(--track-display);
  color: var(--c-ink);
  margin-block: 8px var(--space-2);
}

.cert-card__desc {
  font-size: var(--t-base);
  line-height: var(--lh-loose);
  color: var(--c-ink-muted);
  max-width: var(--measure);
}

.cert-card__desc a {
  color: var(--c-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}
.cert-card__desc a:hover { color: var(--c-accent-bright); }

.cert-card__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-3);
  padding-top: var(--space-2);
  border-top: 1px solid var(--c-rule);
}

@media (max-width: 780px) {
  .cert-card { grid-template-columns: 1fr; }
  .cert-card__figure {
    border-right: 0;
    border-bottom: 1px solid var(--c-rule);
    aspect-ratio: 16 / 7;
  }
  .cert-card__figure img { min-height: 0; }
}

/* ============================================================
   5. EXPERIENCE — a dated timeline rail.
   ============================================================ */
.exp-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  border-left: 1px solid var(--c-rule);
  margin-left: 6px;
}

.exp-item {
  position: relative;
  padding: 0 0 var(--space-8) var(--space-5);
}
.exp-item:last-child { padding-bottom: 0; }

/* Node on the rail */
.exp-item::before {
  content: '';
  position: absolute;
  left: -5px;
  top: 7px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--c-void);
  border: 1px solid var(--c-accent);
}
.exp-item--current::before {
  background: var(--c-accent);
  box-shadow: 0 0 0 4px var(--c-accent-a12);
}

.exp-item__dates {
  font-family: var(--font-mono);
  font-size: var(--t-xs);
  letter-spacing: var(--track-mono);
  text-transform: uppercase;
  color: var(--c-accent);
  font-variant-numeric: tabular-nums;
}

.exp-item__role {
  font-family: var(--font-display);
  font-size: var(--t-xl);
  line-height: var(--lh-snug);
  letter-spacing: var(--track-display);
  color: var(--c-ink);
  margin-top: 6px;
}

.exp-item__org {
  font-family: var(--font-mono);
  font-size: var(--t-xs);
  letter-spacing: var(--track-mono);
  color: var(--c-ink-faint);
  margin-top: 4px;
}

.exp-item__desc {
  max-width: var(--measure);
  margin-top: var(--space-2);
  line-height: var(--lh-loose);
  color: var(--c-ink-muted);
}

.exp-item__tags { margin-top: var(--space-3); }

/* ============================================================
   6. CAPABILITIES — replaces the removed percentage skill bars.
   Self-assigned percentages on a student portfolio read as
   invented data; a grouped competency list is honest and
   scans faster.
   ============================================================ */
.cap-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(260px, 100%), 1fr));
  gap: var(--column-gap);
}

.cap-group__title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: var(--t-2xs);
  font-weight: 600;
  letter-spacing: var(--track-label);
  text-transform: uppercase;
  color: var(--c-accent);
  padding-bottom: var(--space-2);
  margin-bottom: var(--space-2);
  border-bottom: 1px solid var(--c-rule);
}

.cap-group__list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.cap-group__list li {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: var(--t-sm);
  color: var(--c-ink-muted);
}
.cap-group__list li::before {
  content: '';
  flex-shrink: 0;
  width: 4px;
  height: 4px;
  background: var(--c-ink-faint);
  transform: translateY(-2px);
}

/* ============================================================
   7. PROJECT DETAIL PAGES
   ============================================================ */
.detail-header { padding-block: var(--space-6) var(--space-4); }

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: var(--t-2xs);
  letter-spacing: var(--track-mono);
  text-transform: uppercase;
  color: var(--c-ink-faint);
  margin-bottom: var(--space-4);
}
.breadcrumb a { transition: color var(--dur-fast) var(--ease-out); }
.breadcrumb a:hover { color: var(--c-accent); }
.breadcrumb [aria-current="page"] { color: var(--c-ink); }

.detail-title {
  font-family: var(--font-display);
  font-size: var(--t-3xl);
  line-height: var(--lh-tight);
  letter-spacing: var(--track-display);
  color: var(--c-ink);
  max-width: 20ch;
}

.detail-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-4);
}

/* Format / length / size line under a download button, so nobody
   clicks a multi-megabyte PDF without knowing. */
.file-meta { margin-top: var(--space-2); }

/* Spec panel that runs across the top of a detail page. */
.detail-spec {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  border: 1px solid var(--c-rule);
  border-radius: var(--r-md);
  background: var(--c-surface-2);
  margin-block: var(--space-6);
}
.detail-spec > div {
  padding: var(--space-3);
  border-left: 1px solid var(--c-rule);
}
.detail-spec > div:first-child { border-left: 0; }
.detail-spec dt {
  font-family: var(--font-mono);
  font-size: var(--t-2xs);
  letter-spacing: var(--track-label);
  text-transform: uppercase;
  color: var(--c-ink-faint);
  margin-bottom: 6px;
}
.detail-spec dd {
  font-family: var(--font-mono);
  font-size: var(--t-sm);
  font-weight: 600;
  color: var(--c-ink);
}

/* Body layout: sticky contents rail + prose column. */
.detail-layout {
  display: grid;
  grid-template-columns: 200px minmax(0, 1fr);
  gap: var(--space-8);
  align-items: start;
}

.detail-toc {
  position: sticky;
  top: calc(var(--nav-height) + var(--space-3));
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding-left: var(--space-2);
  border-left: 1px solid var(--c-rule);
}
.detail-toc a {
  font-family: var(--font-mono);
  font-size: var(--t-2xs);
  letter-spacing: var(--track-mono);
  text-transform: uppercase;
  color: var(--c-ink-faint);
  transition: color var(--dur-fast) var(--ease-out);
}
.detail-toc a:hover { color: var(--c-accent); }

.detail-body > section + section { margin-top: var(--space-8); }

.detail-body h2 {
  font-family: var(--font-display);
  font-size: var(--t-2xl);
  line-height: var(--lh-snug);
  letter-spacing: var(--track-display);
  color: var(--c-ink);
  margin-bottom: var(--space-3);
}

.detail-body h3 {
  font-family: var(--font-mono);
  font-size: var(--t-xs);
  font-weight: 600;
  letter-spacing: var(--track-label);
  text-transform: uppercase;
  color: var(--c-accent);
  margin-top: var(--space-5);
  margin-bottom: var(--space-2);
}

.detail-body ul.bullets {
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-width: var(--measure);
}
.detail-body ul.bullets li {
  display: flex;
  gap: 12px;
  line-height: var(--lh-loose);
  color: var(--c-ink-muted);
}
.detail-body ul.bullets li::before {
  content: '';
  flex-shrink: 0;
  width: 5px;
  height: 5px;
  margin-top: 11px;
  background: var(--c-accent);
}

/* Result callouts */
.result-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(180px, 100%), 1fr));
  gap: var(--space-2);
  margin-top: var(--space-3);
}
.result-card {
  padding: var(--space-3);
  border: 1px solid var(--c-rule);
  border-left: 2px solid var(--c-accent);
  border-radius: var(--r-sm);
  background: var(--c-surface-2);
}
.result-card__value {
  font-family: var(--font-mono);
  font-size: var(--t-xl);
  font-weight: 600;
  color: var(--c-ink);
  font-variant-numeric: tabular-nums;
  line-height: 1.2;
}
.result-card__label {
  display: block;
  margin-top: 6px;
  font-family: var(--font-mono);
  font-size: var(--t-2xs);
  letter-spacing: var(--track-label);
  text-transform: uppercase;
  color: var(--c-ink-faint);
}

/* Figures inside a detail page */
.detail-figure {
  margin-top: var(--space-4);
  border: 1px solid var(--c-rule);
  border-radius: var(--r-md);
  overflow: hidden;
  background: var(--c-surface-2);
}
.detail-figure img { width: 100%; }
.detail-figure figcaption {
  padding: 10px var(--space-3);
  border-top: 1px solid var(--c-rule);
  font-family: var(--font-mono);
  font-size: var(--t-2xs);
  letter-spacing: var(--track-mono);
  text-transform: uppercase;
  color: var(--c-ink-faint);
}

@media (max-width: 900px) {
  .detail-layout { grid-template-columns: 1fr; gap: var(--space-5); }
  .detail-toc {
    position: static;
    flex-direction: row;
    flex-wrap: wrap;
    gap: var(--space-2) var(--space-3);
    padding-left: 0;
    padding-bottom: var(--space-3);
    border-left: 0;
    border-bottom: 1px solid var(--c-rule);
  }
}

/* Prev / next project navigation */
.detail-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2);
  margin-top: var(--space-10);
  padding-top: var(--space-4);
  border-top: 1px solid var(--c-rule);
}
.detail-nav a {
  padding: var(--space-3);
  border: 1px solid var(--c-rule);
  border-radius: var(--r-md);
  transition: border-color var(--dur-fast) var(--ease-out),
              background-color var(--dur-fast) var(--ease-out);
}
.detail-nav a:hover {
  border-color: var(--c-accent-a40);
  background: var(--c-surface-2);
}
.detail-nav a:last-child { text-align: right; }
.detail-nav__dir {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--t-2xs);
  letter-spacing: var(--track-label);
  text-transform: uppercase;
  color: var(--c-ink-faint);
  margin-bottom: 6px;
}
.detail-nav__title {
  font-family: var(--font-display);
  font-size: var(--t-lg);
  color: var(--c-ink);
  line-height: var(--lh-snug);
}

@media (max-width: 560px) {
  .detail-nav { grid-template-columns: 1fr; }
  .detail-nav a:last-child { text-align: left; }
}

/* ============================================================
   7b. BACKLOG LIST
   Work that exists but isn't written up yet. Listed honestly
   rather than shown as a card reading "coming soon".
   ============================================================ */
.backlog-item {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  padding: var(--space-3) var(--card-padding);
  border-bottom: 1px solid var(--c-rule);
}
.backlog-item:last-child { border-bottom: 0; }

.backlog-item__id {
  color: var(--c-accent);
  margin-right: var(--space-2);
}

/* ============================================================
   8. CALL TO ACTION BAND
   ============================================================ */
.cta-band {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: clamp(28px, 4vw, 48px);
  border: 1px solid var(--c-rule);
  border-radius: var(--r-md);
  background:
    linear-gradient(135deg, var(--c-accent-a06), transparent 60%),
    var(--c-surface-2);
}
.cta-band__title {
  font-family: var(--font-display);
  font-size: var(--t-2xl);
  line-height: var(--lh-snug);
  letter-spacing: var(--track-display);
  color: var(--c-ink);
}
.cta-band__text {
  margin-top: 8px;
  max-width: 46ch;
  color: var(--c-ink-muted);
}

/* ============================================================
   9. 404
   ============================================================ */
.notfound {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  min-height: 60vh;
  padding-block: var(--section-gap);
}
.notfound__code {
  font-family: var(--font-mono);
  font-size: clamp(64px, 14vw, 160px);
  font-weight: 600;
  line-height: 1;
  color: var(--c-accent);
  letter-spacing: -0.03em;
}