:root {
  color-scheme: dark;
  --bg: #0b0c0f;
  --paper: #121419;
  --paper-soft: #171a21;
  --text: #e9e6e0;
  --muted: #a39b90;
  --accent: #f26b3a;
  --rule: rgba(233, 230, 224, 0.12);
  --tab-bg: #1b1f26;
  --font-serif: "Iowan Old Style", "Palatino", "Times New Roman", serif;
  --font-sans: "Helvetica Neue", "Arial", sans-serif;
  --font-mono: "JetBrains Mono", "IBM Plex Mono", "Roboto Mono", monospace;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: radial-gradient(circle at top, #12161d 0%, var(--bg) 60%);
  color: var(--text);
  font-family: var(--font-serif);
  line-height: 1.7;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  display: block;
}

.container {
  width: min(1100px, 94vw);
  margin: 0 auto;
}

.content {
  width: min(720px, 92vw);
  margin: 0 auto;
}

.site-header {
  border-bottom: 1px solid var(--rule);
  background: #0f1116;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 14px 0;
}

.tabs {
  display: flex;
  gap: 14px;
}

.tab {
  font-family: var(--font-serif);
  font-size: 1rem;
  padding: 8px 14px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--text);
}

.tab.active,
.tab:hover {
  background: var(--tab-bg);
  border-color: var(--rule);
}

.icons {
  display: flex;
  gap: 12px;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  color: var(--muted);
}

.section {
  padding: 42px 0;
}

.intro {
  display: flex;
  gap: 22px;
  align-items: center;
  margin-bottom: 16px;
}

.intro img {
  width: 160px;
  height: 180px;
  object-fit: cover;
  border-radius: 12px;
  background: #22262e;
  border: 1px solid var(--rule);
}

h1 {
  font-size: 2.3rem;
  margin: 0;
  font-weight: 600;
}

.subtitle {
  margin: 6px 0 0;
  font-family: var(--font-sans);
  color: var(--muted);
}

.availability {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-left: 10px;
  padding: 2px 10px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: #9fe3c2;
  border: 1px solid rgba(159, 227, 194, 0.3);
  border-radius: 999px;
  background: rgba(13, 40, 30, 0.4);
}

h2 {
  font-size: 1.6rem;
  margin: 0 0 18px;
  font-weight: 600;
}

h3 {
  font-size: 1.15rem;
  margin: 22px 0 6px;
  font-weight: 600;
}

h4 {
  font-size: 1rem;
  margin: 0 0 6px;
  font-weight: 600;
}

.meta {
  font-family: var(--font-mono);
  color: var(--muted);
  font-size: 0.9rem;
  margin-top: 0;
}

.section p {
  margin: 0 0 12px;
}

.list-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  border-top: 1px solid var(--rule);
  padding-top: 16px;
  font-family: var(--font-mono);
}

.resume-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 22px;
  border-top: 1px solid var(--rule);
  padding-top: 16px;
}

.diagram {
  background: var(--paper);
  border-radius: 12px;
  padding: 12px;
  border: 1px solid var(--rule);
  margin: 16px 0 22px;
  overflow-x: auto;
}

.diagram .mermaid {
  background: transparent;
}

.trust {
  display: grid;
  gap: 20px;
  margin-top: 18px;
}

.badge-row {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.badge-row img {
  width: 96px;
  height: 96px;
  object-fit: contain;
  background: var(--paper-soft);
  border-radius: 14px;
  padding: 8px;
  border: 1px solid var(--rule);
}

.sparkline {
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: 14px;
  padding: 10px;
  max-width: 320px;
}

.resume-item {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 0;
  border-bottom: 1px dashed var(--rule);
}

.resume-item span {
  color: var(--muted);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  white-space: nowrap;
}

.site-footer {
  border-top: 1px solid var(--rule);
  padding: 20px 0 40px;
  font-family: var(--font-sans);
  color: var(--muted);
  font-size: 0.9rem;
}

.copy {
  margin-left: 8px;
  padding: 2px 10px;
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: var(--text);
  background: transparent;
  border: 1px solid var(--rule);
  border-radius: 999px;
  cursor: pointer;
}

.copy:hover {
  border-color: rgba(242, 107, 58, 0.6);
  color: var(--accent);
}

.footer-meta {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--muted);
}

.footer-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

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

  .intro {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-content {
    flex-direction: column;
    align-items: flex-start;
  }
}