:root {
  --text: #111827;
  --muted: #4b5563;
  --link: #1a5fb4;
  --accent: #dc2626;
  --border: #e5e7eb;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "PT Serif", "Times New Roman", "Noto Serif", serif;
  color: var(--text);
  background: #ffffff;
}

a {
  color: var(--link);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.page {
  max-width: 960px;
  margin: 0 auto;
  padding: 1.5rem 1.25rem 4rem;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: 1rem;
}

.top-left {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: #f8fafc;
  object-fit: cover;
}

.brand {
  font-family: "PT Sans", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  font-size: 0.95rem;
  font-weight: 700;
  color: #1f2937;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  font-family: "PT Sans", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  font-size: 0.9rem;
  color: var(--muted);
  margin-top: 0.3rem;
}

.nav a {
  color: #374151;
}

.nav a[href="#portfolio"] {
  color: var(--accent);
  font-weight: 700;
}

.top-right {
  font-family: "PT Sans", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  font-size: 0.85rem;
}

.top-right a + a {
  margin-left: 0.75rem;
}

h1 {
  font-size: clamp(2.6rem, 5vw, 3.8rem);
  margin: 0 0 1.2rem;
  font-weight: 700;
}

h2 {
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  margin: 0 0 0.8rem;
  font-weight: 700;
}

p {
  margin: 0 0 0.75rem;
  color: var(--muted);
  line-height: 1.75;
}

.lead {
  font-size: 1.1rem;
}

.intro h2 {
  margin-top: 0;
}

.meta {
  font-size: 1rem;
  color: var(--muted);
}

.meta strong {
  color: var(--text);
  font-weight: 700;
}

main > .section:not(:first-child) {
  border-top: 1px solid var(--border);
  margin-top: 2rem;
}

.section {
  padding-top: 1.5rem;
}

.portfolio-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 1rem;
}

.portfolio-table th {
  text-align: left;
  font-family: "PT Sans", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  font-size: 0.75rem;
  letter-spacing: 0.12rem;
  text-transform: uppercase;
  color: #6b7280;
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--border);
}

.portfolio-table td {
  padding: 0.9rem 0;
  vertical-align: top;
  border-bottom: 1px solid var(--border);
  color: #1f2937;
}

.portfolio-table td:first-child {
  font-family: "PT Sans", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  font-size: 0.9rem;
  color: #4b5563;
  width: 22%;
}

@media (max-width: 720px) {
  .topbar {
    flex-direction: column;
    align-items: flex-start;
  }

  .top-right {
    align-self: flex-start;
  }

  .portfolio-table th:nth-child(1),
  .portfolio-table td:nth-child(1) {
    width: auto;
  }
}