:root {
  --c-white: #ffffff;
  --c-grey-50: #fafafa;
  --c-grey-100: #f2f2f2;
  --c-grey-200: #e4e4e4;
  --c-grey-400: #b0b0b0;
  --c-grey-600: #707070;
  --c-grey-800: #2e2e2e;
  --c-black: #141414;
  --max-width: 920px;
  --radius: 4px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--c-black);
  background: var(--c-white);
  line-height: 1.6;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

h1, h2, h3, h4, h5 {
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0 0 12px;
}

h2 {
  font-size: 1.6rem;
  border-bottom: 1px solid var(--c-grey-200);
  padding-bottom: 12px;
  margin-bottom: 28px;
}

h3 { font-size: 1.15rem; }
h4 { font-size: 1rem; margin-top: 28px; color: var(--c-grey-800); }
h5 { font-size: 0.95rem; }

p { margin: 0 0 12px; color: var(--c-grey-800); text-align: justify; }

a { color: var(--c-black); text-decoration: none; border-bottom: 1px solid var(--c-grey-400); }
a:hover { border-bottom-color: var(--c-black); }

/* Hero */
.hero {
  background: var(--c-black);
  color: var(--c-white);
  padding: 72px 0 56px;
}
.hero-eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.75rem;
  color: var(--c-grey-400);
  margin-bottom: 8px;
}
.hero h1 {
  font-size: 2.4rem;
  color: var(--c-white);
  margin-bottom: 6px;
}
.hero-title { font-size: 1.15rem; color: var(--c-grey-200); margin-bottom: 4px; }
.hero-location { color: var(--c-grey-400); font-size: 0.9rem; margin-bottom: 20px; }

.hero-inner { display: flex; gap: 28px; align-items: stretch; }
.hero-photo {
  width: 150px;
  height: auto;
  border-radius: 8px;
  object-fit: cover;
  object-position: top center;
  border: 1px solid var(--c-grey-600);
  flex-shrink: 0;
}
.hero-photo-fallback {
  width: 150px;
  height: 100%;
  border-radius: 8px;
  background: var(--c-grey-800);
  border: 1px solid var(--c-grey-600);
  color: var(--c-grey-200);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.5rem;
  flex-shrink: 0;
}
@media (max-width: 560px) {
  .hero-inner { flex-direction: column; }
}

.resume-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 18px;
  font-size: 0.9rem;
  color: var(--c-grey-200);
  border-bottom: 1px solid var(--c-grey-600);
}
.resume-cta:hover { color: var(--c-white); border-bottom-color: var(--c-white); }
.resume-cta svg { width: 16px; height: 16px; }

/* CTA icon row */
.cta-row { display: flex; gap: 10px; flex-wrap: wrap; }
.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border: 1px solid var(--c-grey-600);
  border-radius: 50%;
  color: var(--c-grey-200);
  border-bottom: 1px solid var(--c-grey-600);
}
.icon-btn:hover { color: var(--c-white); border-color: var(--c-white); }
.icon-btn svg { width: 18px; height: 18px; }
.footer .icon-btn { border-color: var(--c-grey-600); }

/* Sections */
.section { padding: 56px 0; }
.section-alt { background: var(--c-grey-50); }
.summary { font-size: 1.05rem; max-width: 760px; }

/* Stack (under Profile) */
.expand-link { margin-top: 18px; }
.expand-link summary {
  cursor: pointer;
  list-style: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.9rem;
  border-bottom: 1px solid var(--c-grey-400);
}
.expand-link summary::-webkit-details-marker { display: none; }
.expand-link summary svg { width: 16px; height: 16px; transition: transform 0.15s; }
.expand-link[open] summary svg { transform: rotate(90deg); }
.stack-rows { display: flex; flex-direction: column; gap: 14px; margin-top: 16px; }
.stack-row { display: grid; grid-template-columns: 200px 1fr; gap: 16px; align-items: start; }
.stack-group { font-weight: 600; font-size: 0.85rem; margin-bottom: 0; padding-top: 4px; }
@media (max-width: 640px) {
  .stack-row { grid-template-columns: 1fr; }
}

.credly-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 18px;
  font-size: 0.9rem;
  border-bottom: 1px solid var(--c-grey-400);
}
.credly-link svg { width: 16px; height: 16px; }

.tag-list { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 6px; }
.tag-list li {
  background: var(--c-grey-100);
  border: 1px solid var(--c-grey-200);
  border-radius: 999px;
  padding: 4px 12px;
  font-size: 0.82rem;
  color: var(--c-grey-800);
}

/* Featured Work catalog */
.catalog-grid { display: flex; flex-direction: column; gap: 16px; }
.catalog-card {
  background: var(--c-white);
  border: 1px solid var(--c-grey-200);
  border-radius: var(--radius);
  padding: 0;
}
.catalog-card summary {
  cursor: pointer;
  list-style: none;
  padding: 24px 28px;
}
.catalog-card summary::-webkit-details-marker { display: none; }
.catalog-card summary h3 { margin-bottom: 2px; }
.catalog-role { color: var(--c-grey-600); font-size: 0.85rem; margin-bottom: 10px; }
.catalog-tagline { font-size: 0.98rem; margin-bottom: 10px; }
.catalog-expand { font-size: 0.8rem; color: var(--c-grey-600); }
.catalog-card[open] .catalog-expand::after { content: ""; }
.catalog-body { padding: 0 28px 28px; border-top: 1px solid var(--c-grey-200); padding-top: 20px; }
.catalog-note { font-size: 0.8rem; color: var(--c-grey-600); margin-top: 16px; }
.catalog-diagram {
  width: 100%;
  max-width: 100%;
  border: 1px solid var(--c-grey-200);
  border-radius: var(--radius);
  margin: 16px 0;
  display: block;
}

.code-samples { display: flex; flex-direction: column; gap: 12px; margin: 16px 0; }
.code-block {
  border: 1px solid var(--c-grey-200);
  border-radius: var(--radius);
  overflow: hidden;
}
.code-filename {
  margin: 0;
  padding: 8px 14px;
  font-size: 0.78rem;
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  color: var(--c-grey-600);
  background: var(--c-grey-100);
  border-bottom: 1px solid var(--c-grey-200);
}
.code-block pre {
  margin: 0;
  padding: 14px;
  overflow-x: auto;
  background: var(--c-grey-50);
}
.code-block code {
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.82rem;
  color: var(--c-grey-800);
  white-space: pre;
}

.result-label { font-weight: 600; font-size: 0.9rem; margin-bottom: 8px; }
.result-list { margin: 0; padding-left: 20px; }
.result-list li { font-size: 0.95rem; color: var(--c-grey-800); margin-bottom: 8px; }

.pillar-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
  margin: 12px 0 4px;
}
.pillar-card {
  background: var(--c-grey-50);
  border: 1px solid var(--c-grey-200);
  border-radius: var(--radius);
  padding: 16px 18px;
}
.pillar-card p { margin-bottom: 0; font-size: 0.92rem; }

.outcome-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 16px;
  margin: 12px 0 0;
}
.outcome-card {
  text-align: center;
  border: 1px solid var(--c-grey-200);
  border-radius: var(--radius);
  padding: 18px 12px;
}
.outcome-metric { font-size: 1.6rem; font-weight: 700; margin-bottom: 4px; text-align: center; }
.outcome-label { font-size: 0.8rem; color: var(--c-grey-600); margin-bottom: 0; text-align: center; }

/* Experience */
.timeline { display: flex; flex-direction: column; gap: 28px; margin-top: 8px; }
.job-card {
  border-top: 1px solid var(--c-grey-200);
  padding-top: 20px;
}
.job-company-row { margin-bottom: 6px; }
.company-logo-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border-bottom: none;
}
.company-logo-link:hover .company-name { border-bottom-color: var(--c-black); }
.company-logo {
  width: 22px;
  height: 22px;
  border-radius: 4px;
  object-fit: contain;
  background: var(--c-grey-100);
  border: 1px solid var(--c-grey-200);
}
.company-name {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--c-grey-600);
  border-bottom: 1px solid transparent;
}
.job-meta { color: var(--c-grey-600); font-size: 0.85rem; margin-bottom: 10px; }
.job-narrative { font-size: 0.95rem; }
.job-stack summary {
  cursor: pointer;
  font-size: 0.85rem;
  color: var(--c-black);
  margin-top: 4px;
}
.project-jump { display: inline-block; margin-top: 10px; font-size: 0.85rem; }

/* Education */
.education-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 16px; }
.education-card { border: 1px solid var(--c-grey-200); border-radius: var(--radius); padding: 16px 18px; background: var(--c-white); }
.education-school { font-weight: 600; margin-bottom: 2px; }
.education-degree { color: var(--c-grey-800); font-size: 0.9rem; margin-bottom: 2px; }
.education-year { color: var(--c-grey-600); font-size: 0.85rem; margin-bottom: 0; }

/* Footer */
.footer {
  background: var(--c-black);
  color: var(--c-grey-200);
  padding: 32px 0;
  text-align: center;
}
.footer p { color: var(--c-grey-200); text-align: center; }
.footer .cta-row { justify-content: center; }
.footer-tagline {
  font-size: 0.72rem;
  color: var(--c-grey-600);
  margin-top: 14px;
}