/* pcbrom.com landing, page-level styles. Tokens from colors_and_type.css.
   Portado do handoff Claude Design (design/claude-design-handoff/ui_kits/pcbrom-site/site.css). */

.page {
  background: var(--bg);
  color: var(--fg-1);
  min-height: 100vh;
}

.shell {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0 32px;
}

/* ============================== HERO ============================== */
.hero {
  padding: clamp(64px, 8vw, 120px) 0 clamp(48px, 6vw, 80px);
  border-bottom: 1px solid var(--border);
}
.hero-grid {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: clamp(28px, 4vw, 56px);
  align-items: start;
}
.hero-avatar {
  width: 180px;
  height: 180px;
  border-radius: 8px;
  background: var(--bg-sunken);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--serif);
  font-size: 56px;
  font-weight: 500;
  color: var(--fg-3);
  letter-spacing: -0.02em;
  overflow: hidden;
}
.hero-avatar img { width: 100%; height: 100%; object-fit: cover; }
.hero h1 {
  font-size: clamp(40px, 4.4vw, 56px);
  line-height: 1.05;
  margin: 0 0 16px 0;
  letter-spacing: -0.012em;
}
.hero-eyebrow {
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--fg-3);
  margin-bottom: 14px;
  font-weight: 500;
}
.hero-bio {
  font-size: 18px;
  line-height: 1.6;
  color: var(--fg-2);
  max-width: 62ch;
  margin: 0 0 28px 0;
}
.hero-bio strong { color: var(--fg-1); font-weight: 600; }

/* ============================== SOCIAL ROW ============================== */
.social-row {
  display: flex;
  gap: 6px;
  align-items: center;
}
.social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px; height: 36px;
  color: var(--fg-2);
  border-radius: 6px;
  transition: color var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease);
}
.social-link:hover { color: var(--accent); background: var(--accent-tint); text-decoration: none; }
.social-link svg { width: 20px; height: 20px; display: block; }
.social-row.small .social-link { width: 32px; height: 32px; }
.social-row.small .social-link svg { width: 18px; height: 18px; }

/* ============================== SECTIONS ============================== */
.section {
  padding: clamp(56px, 5vw, 88px) 0;
  border-bottom: 1px solid var(--border);
}
.section:last-of-type { border-bottom: 0; }
.section-head {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 24px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}
.section h2 {
  font-size: clamp(28px, 2.4vw, 34px);
  margin: 0;
  letter-spacing: -0.008em;
}
.section-lede {
  font-size: 16px;
  color: var(--fg-2);
  max-width: 56ch;
  margin: 8px 0 0 0;
  line-height: 1.55;
}

/* ============================== FILTER CHIPS ============================== */
.filter {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}
.chip {
  appearance: none;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--fg-2);
  font-family: var(--sans);
  font-size: 13.5px;
  font-weight: 500;
  padding: 7px 14px;
  border-radius: 999px;
  cursor: pointer;
  transition: color var(--dur-fast), border-color var(--dur-fast), background var(--dur-fast);
}
.chip:hover { color: var(--fg-1); border-color: var(--border-strong); }
.chip[aria-pressed="true"] {
  color: var(--accent);
  border-color: var(--accent);
  background: var(--accent-tint);
}
.chip:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ============================== PROJECT GRID ============================== */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}
.proj {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  text-decoration: none;
  color: inherit;
  transition: border-color var(--dur-fast), box-shadow var(--dur-fast);
}
.proj:hover {
  border-color: var(--border-strong);
  box-shadow: 0 1px 2px rgba(0,0,0,.04), 0 2px 8px rgba(0,0,0,.04);
  text-decoration: none;
}
.proj[aria-disabled="true"] {
  cursor: default;
  background: var(--bg);
}
.proj[hidden] { display: none; }
.proj-cat {
  font-size: 11px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 500;
}
.proj-title {
  font-family: var(--serif);
  font-size: 21px;
  font-weight: 600;
  color: var(--fg-1);
  margin: 0;
  letter-spacing: -0.005em;
}
.proj-desc {
  font-size: 14.5px;
  color: var(--fg-2);
  line-height: 1.55;
  margin: 0;
  flex-grow: 1;
}
.proj-foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 4px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
}
.proj-link {
  font-size: 13.5px;
  color: var(--accent);
}
.proj-link svg { width: 14px; height: 14px; vertical-align: -2px; margin-left: 4px; }
.proj-badge {
  font-size: 11.5px;
  font-weight: 500;
  color: var(--fg-2);
  background: var(--bg-sunken);
  border: 1px solid var(--border);
  padding: 3px 9px;
  border-radius: 999px;
}

/* ============================== BLOG (landing teaser) ============================== */
.blog {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: clamp(28px, 4vw, 64px);
  align-items: start;
}
.blog-intro h2 { margin-bottom: 12px; }
.blog-intro p {
  font-size: 16px; color: var(--fg-2); line-height: 1.6; margin: 0 0 18px 0;
}
.blog-link {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 15px; color: var(--accent); font-weight: 500;
}
.blog-link:hover { text-decoration: underline; text-underline-offset: 2px; }
.blog-link svg { width: 14px; height: 14px; }

.post {
  border-top: 1px solid var(--border);
  padding-top: 20px;
}
.post-meta {
  font-size: 11.5px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--fg-3);
  margin-bottom: 8px;
  font-weight: 500;
}
.post h3 {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 600;
  line-height: 1.25;
  margin: 0 0 8px 0;
  letter-spacing: -0.005em;
}
.post-excerpt {
  font-size: 15.5px;
  color: var(--fg-2);
  line-height: 1.6;
  margin: 0 0 14px 0;
}
.post-read {
  font-size: 13.5px;
  color: var(--accent);
}

/* ============================== FOOTER ============================== */
.foot {
  padding: 40px 0 56px;
  border-top: 1px solid var(--border);
}
.foot-inner {
  display: flex; justify-content: space-between; align-items: center;
  gap: 24px; flex-wrap: wrap;
}
.foot-copy {
  font-size: 13px;
  color: var(--fg-3);
}

/* ============================== COMPLETE LISTS ============================== */
.repo-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 0 36px;
}
.repo-list li {
  padding: 11px 0;
  border-top: 1px solid var(--border);
  display: flex;
  flex-wrap: wrap;
  gap: 3px 10px;
  align-items: baseline;
}
.repo-name {
  font-family: var(--mono);
  font-size: 13.5px;
  font-weight: 500;
  color: var(--fg-1);
}
.repo-name:hover { color: var(--accent); text-decoration: none; }
.repo-desc {
  font-size: 13.5px;
  color: var(--fg-2);
  line-height: 1.5;
}

.pub-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.pub-list li {
  padding: 13px 0;
  border-top: 1px solid var(--border);
}
.pub-list li:first-child { border-top: 0; }
.pub-row {
  display: flex;
  gap: 16px;
  text-decoration: none;
  color: inherit;
}
.pub-row:hover { text-decoration: none; }
.pub-row:hover .pub-title { color: var(--accent); }
.pub-year {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--fg-3);
  white-space: nowrap;
  padding-top: 1px;
  min-width: 4.5em;
}
.pub-body { flex: 1; }
.pub-title {
  font-size: 15px;
  color: var(--fg-1);
  line-height: 1.5;
  transition: color var(--dur-fast) var(--ease);
}
.pub-venue {
  font-size: 11.5px;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

/* ============================== RESPONSIVE ============================== */
@media (max-width: 760px) {
  .shell { padding: 0 20px; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-avatar { width: 128px; height: 128px; font-size: 40px; }
  .blog { grid-template-columns: 1fr; }
  .grid { grid-template-columns: 1fr; }
  .repo-list { grid-template-columns: 1fr; gap: 0; }
}