:root {
  --site-bg: #f4f7fb;
  --site-surface: rgba(255, 255, 255, 0.92);
  --site-text: #1f2937;
  --site-muted: #64748b;
  --site-line: rgba(148, 163, 184, 0.28);
  --site-accent: #14b8a6;
  --site-accent-strong: #0f766e;
  --site-nav: rgba(15, 23, 42, 0.92);
  --site-shadow: 0 18px 40px rgba(15, 23, 42, 0.08);
}

html { scroll-behavior: smooth; }

body {
  background: linear-gradient(180deg, #f8fafc 0%, #eef2ff 100%);
  color: var(--site-text);
}

a {
  color: var(--site-accent-strong);
  transition: color 0.2s ease, background-color 0.2s ease;
}

a:hover { color: var(--site-accent); }

.topnav {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--site-nav);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.topnav__inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0.85rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.topnav__brand,
.topnav__link,
.topnav__social {
  text-decoration: none;
  color: #e2e8f0;
}

.topnav__brand {
  font-weight: 700;
  letter-spacing: 0.01em;
  white-space: nowrap;
}

.topnav__links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.35rem;
  align-items: center;
}

.topnav__link,
.topnav__social {
  padding: 0.5rem 0.85rem;
  border-radius: 999px;
}

.topnav__link:hover,
.topnav__link.active,
.topnav__social:hover {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.1);
}

.topnav__link.active { background: rgba(20, 184, 166, 0.18); }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

#main,
.wrap {
  max-width: 1180px;
  margin: 0 auto;
}

#main { padding: 2rem 1.25rem 0; }

.wrap {
  width: calc(100% - 2rem);
  padding-top: 1.5rem;
}

.container,
.container.content {
  width: min(100%, 980px);
  margin: 0 auto !important;
}

.page {
  background: var(--site-surface);
  border: 1px solid var(--site-line);
  border-radius: 24px;
  box-shadow: var(--site-shadow);
  padding: clamp(1.35rem, 2vw, 2.4rem);
}

#content-container {
  text-align: left !important;
  font-size: 1.03rem;
  line-height: 1.85;
}

#front-matter,
#title { margin-bottom: 1rem; }

#front-matter h1,
#title h1 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.08;
}

#info {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
  color: var(--site-muted);
  margin-top: 0.75rem;
}

#info p { margin: 0; }

#info code {
  background: transparent;
  padding: 0;
  color: var(--site-muted);
  font-weight: 700;
}

.hint {
  background: #f8fafc;
  border: 1px solid var(--site-line);
  border-radius: 12px;
  padding: 0.85rem 1rem;
  font-size: 0.85rem !important;
  line-height: 1.5 !important;
  color: var(--site-muted) !important;
}

.sidebar {
  background: linear-gradient(180deg, #0f172a 0%, #111827 100%);
  border-right: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 12px 0 30px rgba(15, 23, 42, 0.2);
}

.sidebar-nav {
  padding: 5rem 0 1rem;
  border-bottom: 0;
}

.sidebar-nav-item {
  margin: 0.3rem 0.75rem;
  padding: 0.8rem 1rem;
  border-top: 0;
  border-radius: 14px;
  color: #e2e8f0;
  font-weight: 600;
}

.sidebar-nav-item.active,
a.sidebar-nav-item:hover,
a.sidebar-nav-item:focus {
  background: rgba(255, 255, 255, 0.1);
  color: #ffffff;
}

.sidebar-toggle {
  top: 1.25rem;
  left: 1.25rem;
  padding: 0.65rem 0.8rem;
  background: rgba(15, 23, 42, 0.94);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 10px 25px rgba(15, 23, 42, 0.18);
}

.sidebar-toggle:hover { background-color: var(--site-accent-strong); }

dd { margin-left: 0; color: var(--site-muted); }

@media (max-width: 760px) {
  .topnav__inner { flex-direction: column; align-items: flex-start; }
  .topnav__links { justify-content: flex-start; }
  #main { padding: 1.25rem 0.85rem 0; }
  .wrap { width: calc(100% - 1rem); }
  .page { border-radius: 18px; }
}

.section-eyebrow {
  margin: 0 0 0.7rem;
  color: var(--site-accent-strong);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.profile-hero {
  margin-bottom: 1.5rem;
}

.profile-hero h1 {
  margin: 0;
  font-size: clamp(2.4rem, 5vw, 4rem);
  line-height: 1;
}

.profile-lead {
  max-width: 760px;
  margin-top: 0.9rem;
  color: var(--site-muted);
  font-size: 1.12rem;
  line-height: 1.9;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 1.4rem;
}

.button-primary,
.button-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0.75rem 1.1rem;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
}

.button-primary {
  background: linear-gradient(135deg, var(--site-accent-strong), var(--site-accent));
  color: #f8fafc;
}

.button-primary:hover { color: #ffffff; }

.button-secondary {
  background: #e2e8f0;
  color: var(--site-text);
}

.stat-pills,
.chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.25rem;
}

.stat-pill,
.chip {
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 0.85rem;
  border-radius: 999px;
  background: #eef2ff;
  border: 1px solid var(--site-line);
  color: #334155;
  font-size: 0.95rem;
  font-weight: 600;
}

.section-grid {
  display: grid;
  gap: 1.15rem;
  margin: 1.25rem 0;
}

.section-grid--two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.surface-card {
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--site-line);
  border-radius: 22px;
  box-shadow: var(--site-shadow);
  padding: 1.4rem;
}

.surface-card h2,
.surface-card h3 {
  margin-top: 0;
  padding-top: 0;
}

.surface-card--accent {
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.97), rgba(15, 118, 110, 0.92));
  color: #e2e8f0;
}

.surface-card--accent h2,
.surface-card--accent p,
.surface-card--accent a,
.surface-card--accent .section-eyebrow {
  color: inherit;
}

.compact-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.85rem;
}

.compact-list li {
  padding-bottom: 0.85rem;
  border-bottom: 1px solid var(--site-line);
}

.compact-list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.timeline {
  display: grid;
  gap: 1rem;
}

.timeline-item {
  padding-left: 1rem;
  border-left: 3px solid rgba(20, 184, 166, 0.35);
}

.timeline-item h3 {
  margin-bottom: 0.35rem;
}

.timeline-item p,
.surface-card p {
  color: var(--site-muted);
  line-height: 1.8;
}

.profile-page {
  background:
    radial-gradient(circle at top right, rgba(20, 184, 166, 0.14), transparent 28%),
    radial-gradient(circle at top left, rgba(59, 130, 246, 0.08), transparent 22%),
    linear-gradient(180deg, #f8fafc 0%, #eef2ff 100%);
}

.profile-shell {
  padding: 2.5rem 0 2rem;
}

.profile-container {
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto;
}

.profile-hero-grid,
.profile-highlight-grid {
  display: grid;
  gap: 1rem;
  margin-bottom: 1rem;
}

.profile-hero-grid {
  grid-template-columns: minmax(0, 1.6fr) minmax(280px, 0.9fr);
}

.profile-highlight-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.surface-card--hero {
  padding: clamp(1.6rem, 3vw, 2.6rem);
  border-radius: 28px;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.96), rgba(238, 242, 255, 0.92));
}

.profile-side-card,
.profile-highlight-card,
.profile-contact-card {
  border-radius: 28px;
}

.profile-side-card {
  align-self: stretch;
}

.profile-meta,
.profile-meta-line {
  color: var(--site-muted);
  line-height: 1.7;
}

.profile-meta-line {
  margin: 0.8rem 0 0;
  font-size: 0.95rem;
}

.profile-fact-list {
  list-style: none;
  margin: 0.35rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.9rem;
}

.profile-fact-list li {
  padding-bottom: 0.9rem;
  border-bottom: 1px solid var(--site-line);
}

.profile-fact-list li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.profile-fact-list span {
  display: block;
  color: var(--site-muted);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.profile-fact-list strong {
  display: block;
  margin-top: 0.35rem;
  color: var(--site-text);
  line-height: 1.5;
}

.compact-list--soft li {
  color: var(--site-text);
}

.compact-list--soft strong {
  color: var(--site-text);
}

.profile-contact-card p {
  max-width: 44rem;
}

@media (max-width: 760px) {
  .section-grid--two {
    grid-template-columns: 1fr;
  }

  .profile-hero-grid,
  .profile-highlight-grid {
    grid-template-columns: 1fr;
  }

  .profile-shell {
    padding-top: 1.75rem;
  }

  .profile-container {
    width: calc(100% - 1rem);
  }
}