/* Hallmark · macrostructure: Workbench · genre: technical-atmospheric
 * design-system: design.md · designed-as-app · page: projects.html
 */

/* ═══════════════════════════════════════════════════════════════════
   PROJECTS PAGE HEADER
═══════════════════════════════════════════════════════════════════ */
.projects-header {
  padding-block: var(--space-3xl) var(--space-2xl);
}

.projects-header .container {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: var(--space-md);
  border-bottom: var(--rule-hairline);
  padding-block-end: var(--space-xl);
}

.projects-header__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-display-s);
  line-height: 1.0;
  letter-spacing: -0.03em;
  color: var(--color-ink);
  overflow-wrap: anywhere;
  min-width: 0;
}

.projects-header__count {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-ink-3);
  white-space: nowrap;
  flex-shrink: 0;
}

/* ═══════════════════════════════════════════════════════════════════
   FEATURED PROJECTS
═══════════════════════════════════════════════════════════════════ */
.featured-section {
  padding-block: var(--space-2xl) 0;
}

.project-featured {
  padding-block: var(--space-2xl);
  border-bottom: var(--rule-hairline);
}

.project-featured__inner {
  max-width: 1280px;
  margin-inline: auto;
  padding-inline: var(--space-2xl);
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  grid-template-areas: "content figure";
  gap: var(--space-2xl);
  align-items: start;
}

.project-featured--reversed .project-featured__inner {
  grid-template-areas: "figure content";
}

.project-featured__content { grid-area: content; }
.project-featured__figure  { grid-area: figure; }

/* figure */
.project-featured__figure {
  border: var(--rule-hairline);
  border-radius: var(--radius-card);
  overflow: hidden;
  position: sticky;
  top: calc(56px + var(--space-lg));
}

.project-featured__img {
  width: 100%;
  display: block;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  object-position: top;
}

/* content elements */
.project-featured__label {
  display: flex;
  gap: var(--space-lg);
  flex-wrap: wrap;
  align-items: baseline;
  margin-block-end: var(--space-md);
}

.project-featured__stack {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-ink-3);
  letter-spacing: 0.02em;
}

.project-featured__year {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-accent-dim);
}

.project-featured__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-display-s);
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--color-ink);
  margin-block-end: var(--space-lg);
  overflow-wrap: anywhere;
  min-width: 0;
}

.project-featured__impact {
  font-size: var(--text-md);
  color: var(--color-ink);
  line-height: 1.55;
  max-width: 58ch;
  margin-block-end: var(--space-lg);
}

.project-featured__arch {
  display: flex;
  flex-direction: column;
  gap: var(--space-2xs);
  padding-block: var(--space-md);
  border-top: var(--rule-hairline);
  border-bottom: var(--rule-hairline);
  margin-block-end: var(--space-lg);
}

.project-featured__arch-item {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-ink-2);
  line-height: 1.55;
}

.project-featured__link {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--dur-short) var(--ease-out);
  white-space: nowrap;
}
.project-featured__link:hover { color: var(--color-ink); }

.project-featured__detail-link {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-ink-3);
  text-decoration: none;
  margin-inline-start: var(--space-lg);
  transition: color var(--dur-short) var(--ease-out);
  white-space: nowrap;
}
.project-featured__detail-link:hover { color: var(--color-ink-2); }

/* ═══════════════════════════════════════════════════════════════════
   SUPPORTING PROJECTS
═══════════════════════════════════════════════════════════════════ */
.supporting-section {
  padding-block: var(--space-3xl);
}

.supporting-section .container {
  border-top: var(--rule-hairline);
  padding-block-start: var(--space-2xl);
}

.supporting-list {
  display: flex;
  flex-direction: column;
}

.project-supporting {
  display: grid;
  grid-template-columns: 16ch 1fr;
  gap: 0 var(--space-2xl);
  padding-block: var(--space-xl);
  border-top: var(--rule-hairline);
}

.project-supporting:first-child {
  border-top: none;
  padding-block-start: 0;
}

.project-supporting__meta {
  display: flex;
  flex-direction: column;
  gap: var(--space-2xs);
  padding-block-start: 5px; /* optical alignment */
}

.project-supporting__stack {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-ink-3);
  line-height: 1.5;
}

.project-supporting__badge {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-accent-dim);
  letter-spacing: 0.01em;
}

.project-supporting__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-xl);
  color: var(--color-ink);
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-block-end: var(--space-sm);
  overflow-wrap: anywhere;
  min-width: 0;
}

.project-supporting__desc {
  font-size: var(--text-base);
  color: var(--color-ink-2);
  line-height: 1.65;
  max-width: 68ch;
  margin-block-end: var(--space-sm);
}

.project-supporting__note {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-ink-3);
  line-height: 1.5;
  margin-block-end: var(--space-sm);
}

.project-supporting__link {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--dur-short) var(--ease-out);
  white-space: nowrap;
}
.project-supporting__link:hover { color: var(--color-ink); }

.project-supporting__detail {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-ink-3);
  text-decoration: none;
  margin-inline-start: var(--space-md);
  transition: color var(--dur-short) var(--ease-out);
  white-space: nowrap;
}
.project-supporting__detail:hover { color: var(--color-ink-2); }

/* ═══════════════════════════════════════════════════════════════════
   OPEN SOURCE SECTION
═══════════════════════════════════════════════════════════════════ */
.oss-section {
  padding-block: var(--space-3xl);
}

.oss-section .container {
  border-top: var(--rule-hairline);
  padding-block-start: var(--space-2xl);
}

.oss-card {
  margin-block-start: var(--space-xl);
  border: var(--rule-hairline);
  border-radius: var(--radius-card);
  padding: var(--space-xl);
  max-width: 72ch;
}

.oss-card__header {
  display: flex;
  align-items: baseline;
  gap: var(--space-lg);
  flex-wrap: wrap;
  margin-block-end: var(--space-lg);
}

.oss-card__project {
  font-family: var(--font-mono);
  font-style: normal;
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--color-ink);
  letter-spacing: -0.01em;
}

.oss-card__stars {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-accent-dim);
  letter-spacing: 0.01em;
}

.oss-card__bug {
  font-size: var(--text-base);
  color: var(--color-ink);
  line-height: 1.55;
  margin-block-end: var(--space-md);
}

.oss-card__cause {
  display: flex;
  align-items: baseline;
  gap: var(--space-sm);
  flex-wrap: wrap;
  font-size: var(--text-sm);
  color: var(--color-ink-2);
  margin-block-end: var(--space-md);
}

.oss-card__cause-label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-ink-3);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  flex-shrink: 0;
}

.oss-card__mono {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-ink-2);
}

.oss-card__fix {
  font-size: var(--text-base);
  color: var(--color-ink-2);
  line-height: 1.55;
  margin-block-end: var(--space-lg);
}

.oss-card__diff {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  line-height: 1.7;
  background: var(--color-surface-2, #0d0d0d);
  border: var(--rule-hairline);
  border-radius: var(--radius-sm, 4px);
  padding: var(--space-md);
  overflow-x: auto;
  margin-block-end: var(--space-lg);
  white-space: pre;
}

.oss-diff__del {
  display: block;
  color: #f87171;
}

.oss-diff__add {
  display: block;
  color: #4ade80;
}

.oss-card__links {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex-wrap: wrap;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
}

.oss-card__link {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--dur-short) var(--ease-out);
}
.oss-card__link:hover { color: var(--color-ink); }
.oss-card__link--detail { color: var(--color-ink-3); }
.oss-card__link--detail:hover { color: var(--color-ink-2); }

.oss-card__sep {
  color: var(--color-ink-3);
}

/* ═══════════════════════════════════════════════════════════════════
   RESPONSIVE — 1024px
═══════════════════════════════════════════════════════════════════ */
@media (max-width: 1024px) {
  .project-featured__figure {
    position: static;
  }
}

/* ═══════════════════════════════════════════════════════════════════
   RESPONSIVE — 768px
═══════════════════════════════════════════════════════════════════ */
@media (max-width: 768px) {
  .project-featured__inner {
    grid-template-columns: 1fr;
    grid-template-areas:
      "content"
      "figure";
    padding-inline: var(--space-lg);
  }

  /* reversed layout: still show content first on mobile */
  .project-featured--reversed .project-featured__inner {
    grid-template-areas:
      "content"
      "figure";
  }

  .project-supporting {
    grid-template-columns: 1fr;
    gap: var(--space-sm) 0;
  }

  .project-supporting__meta {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 0 var(--space-md);
    padding-block-start: 0;
  }
}

/* ═══════════════════════════════════════════════════════════════════
   RESPONSIVE — 414px
═══════════════════════════════════════════════════════════════════ */
@media (max-width: 414px) {
  .project-featured__title {
    font-size: clamp(1.75rem, 7vw, 2.5rem);
  }

  .projects-header__title {
    font-size: clamp(1.75rem, 7vw, 2.5rem);
  }

  .project-featured__inner {
    padding-inline: var(--space-md);
  }
}

/* ═══════════════════════════════════════════════════════════════════
   REDUCED MOTION
═══════════════════════════════════════════════════════════════════ */
@media (prefers-reduced-motion: reduce) {
  .project-featured__link,
  .project-featured__detail-link,
  .project-supporting__link,
  .project-supporting__detail,
  .oss-card__link {
    transition: none;
  }

  html { scroll-behavior: auto; }
}