/* Corporate — restrained, structured, light by default. */

*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { color-scheme: light; }
body {
  font-family: ui-sans-serif, system-ui, -apple-system, "Inter", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--color-fg, #0b1220);
  background: var(--color-bg, #f6f7f9);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  scroll-behavior: smooth;
}
a { color: var(--color-primary, #0f4c8a); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; height: auto; display: block; }

.container { max-width: 1080px; margin: 0 auto; padding: 0 28px; }

/* ============ Top bar ============ */
.topbar {
  position: sticky; top: 0; z-index: 10;
  background: color-mix(in srgb, var(--color-surface, #ffffff) 88%, transparent);
  backdrop-filter: saturate(160%) blur(8px);
  border-bottom: 1px solid var(--color-border, #dfe3ea);
}
.topbar-inner { display: flex; align-items: center; justify-content: space-between; padding: 14px 28px; }
.brand { font-weight: 700; font-size: 15px; color: var(--color-fg, #0b1220); }
.topnav { display: flex; gap: 22px; font-size: 14px; }
.topnav a { color: var(--color-muted, #5b6577); }
.topnav a:hover { color: var(--color-fg, #0b1220); text-decoration: none; }
.topnav-cta {
  padding: 6px 12px;
  border-radius: 6px;
  background: var(--color-primary, #0f4c8a);
  color: #fff !important;
}
.topnav-cta:hover { filter: brightness(1.06); text-decoration: none; }

/* ============ Hero ============ */
.hero { padding: 56px 0 32px; }
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 32px;
  align-items: start;
}
.hero-main { padding-top: 4px; }
.avatar {
  width: 88px; height: 88px;
  border-radius: 12px;
  object-fit: cover;
  border: 1px solid var(--color-border, #dfe3ea);
  margin-bottom: 22px;
}
.avatar-fallback {
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--color-primary, #0f4c8a);
  color: #fff;
  font-weight: 700; font-size: 34px;
}
.name {
  font-size: clamp(30px, 4.4vw, 44px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.015em;
  margin: 0;
  color: var(--color-fg);
}
.headline { margin: 12px 0 0; font-size: 19px; color: var(--color-fg); font-weight: 500; max-width: 60ch; }
.tagline { margin: 12px 0 0; font-size: 15px; color: var(--color-muted, #5b6577); max-width: 60ch; line-height: 1.65; }

.hero-card {
  background: var(--color-surface, #ffffff);
  border: 1px solid var(--color-border, #dfe3ea);
  border-radius: 12px;
  padding: 18px 20px;
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04);
}
.card-label {
  margin: 0 0 12px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-muted, #5b6577);
}
.contact-list { list-style: none; margin: 0; padding: 0; }
.contact-list li {
  display: flex; flex-direction: column;
  padding: 8px 0;
  border-top: 1px solid var(--color-border, #dfe3ea);
  font-size: 14px;
}
.contact-list li:first-child { border-top: 0; padding-top: 0; }
.contact-key {
  display: block; font-size: 11px; color: var(--color-muted, #5b6577);
  text-transform: uppercase; letter-spacing: 0.12em; margin-bottom: 2px;
}

/* ============ Sections ============ */
.content { padding: 16px 0 80px; }
.section { margin-bottom: 22px; }
.section:last-child { margin-bottom: 0; }
.card {
  background: var(--color-surface, #ffffff);
  border: 1px solid var(--color-border, #dfe3ea);
  border-radius: 12px;
  padding: 28px 30px;
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04);
}
.section-title {
  margin: 0 0 18px;
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-muted, #5b6577);
  font-weight: 700;
}

.bio { margin: 0; font-size: 16px; line-height: 1.7; color: var(--color-fg); max-width: 64ch; }

.entry-list { list-style: none; margin: 0; padding: 0; }
.entry { padding: 18px 0; border-top: 1px solid var(--color-border, #dfe3ea); }
.entry:first-child { border-top: 0; padding-top: 0; }
.entry-head { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; }
.entry-title { margin: 0; font-size: 16px; font-weight: 600; color: var(--color-fg); }
.entry-period { font-size: 13px; color: var(--color-muted, #5b6577); white-space: nowrap; }
.entry-org { margin: 4px 0 0; font-size: 13px; color: var(--color-muted, #5b6577); }
.entry-desc { margin: 12px 0 0; font-size: 15px; line-height: 1.65; color: var(--color-fg); }
.entry-desc.subtle { color: var(--color-muted, #5b6577); font-size: 14px; }
.entry-links { margin-top: 12px; font-size: 14px; display: flex; gap: 18px; }
.featured-mark { color: var(--color-primary, #0f4c8a); }

/* Project grid */
.project-grid { display: grid; gap: 18px; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }
.project {
  padding: 18px;
  border: 1px solid var(--color-border, #dfe3ea);
  border-radius: 10px;
  background: color-mix(in srgb, var(--color-bg, #f6f7f9) 30%, var(--color-surface, #ffffff));
  display: flex; flex-direction: column;
}

/* Tags */
.tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 12px; }
.tag {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 4px;
  font-size: 12px;
  color: var(--color-muted, #5b6577);
  background: color-mix(in srgb, var(--color-primary, #0f4c8a) 6%, transparent);
  border: 1px solid var(--color-border, #dfe3ea);
}
.tag--strong {
  color: #fff;
  background: var(--color-primary, #0f4c8a);
  border-color: var(--color-primary, #0f4c8a);
}

/* Footer */
.footer {
  padding: 24px 0 32px;
  text-align: center;
  font-size: 13px;
  color: var(--color-muted, #5b6577);
  border-top: 1px solid var(--color-border, #dfe3ea);
  background: var(--color-surface, #ffffff);
}
.footer-link { color: var(--color-primary, #0f4c8a); font-weight: 600; }

@media (max-width: 860px) {
  .hero-grid { grid-template-columns: 1fr; }
  .topnav { display: none; }
}
@media (max-width: 600px) {
  .card { padding: 20px 18px; }
  .name { font-size: clamp(26px, 7vw, 34px); }
}