:root {
  --color-bg: #F5FAFF;
  --color-surface: #FFFFFF;
  --color-primary: #0B3C6D;
  --color-primary-2: #1D5FA8;
  --color-accent: #F4C542;
  --color-accent-2: #FFD76A;
  --color-text: #162235;
  --color-muted: #4B5D73;
  --color-border: #D8E4F2;
  --shadow-soft: 0 10px 24px rgba(17, 54, 93, 0.08);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: "Source Sans 3", "Segoe UI", Tahoma, sans-serif;
  color: var(--color-text);
  background: radial-gradient(1000px 500px at 80% -10%, #dcebfb 0%, var(--color-bg) 45%);
  line-height: 1.7;
}

.container {
  width: min(1080px, 92vw);
  margin: 0 auto;
}

header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid var(--color-border);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(6px);
}

.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 0.9rem 0;
}

.site-title {
  margin: 0;
  font-family: "Merriweather", Georgia, serif;
  font-size: 1.1rem;
  letter-spacing: 0.2px;
  color: var(--color-primary);
}

nav a {
  color: var(--color-muted);
  text-decoration: none;
  margin-left: 1rem;
  font-size: 0.95rem;
  font-weight: 600;
  padding-bottom: 0.25rem;
  border-bottom: 3px solid transparent;
  transition: color 180ms ease, border-color 180ms ease;
}

nav a:hover,
nav a[aria-current="page"] {
  color: var(--color-primary);
  border-color: var(--color-accent);
}

main {
  padding: 2.4rem 0 3rem;
}

.hero {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 14px;
  padding: 2rem;
  box-shadow: var(--shadow-soft);
  animation: hero-enter 220ms ease-out;
}

@keyframes hero-enter {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

h1,
h2,
h3,
h4 {
  font-family: "Merriweather", Georgia, serif;
  color: var(--color-primary);
  line-height: 1.25;
  margin-top: 0;
}

h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
}

h2 {
  font-size: clamp(1.5rem, 2.6vw, 2.1rem);
  font-weight: 700;
}

h3 {
  font-size: 1.25rem;
  font-weight: 600;
}

p,
li {
  max-width: 75ch;
  font-size: 1.05rem;
}

a {
  color: var(--color-primary-2);
  text-decoration-thickness: 2px;
  text-underline-offset: 2px;
}

a:hover {
  color: var(--color-primary);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}

.card {
  display: block;
  text-decoration: none;
  color: inherit;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 1rem;
  box-shadow: 0 6px 18px rgba(17, 54, 93, 0.05);
  transition: transform 160ms ease, border-color 160ms ease;
}

.card:hover {
  transform: translateY(-1px);
  border-color: var(--color-primary-2);
}

.doc-content {
  margin-top: 1.25rem;
}

.doc-content p,
.doc-content li {
  max-width: 75ch;
}

.doc-content h1,
.doc-content h2,
.doc-content h3,
.doc-content h4 {
  margin-top: 1.25rem;
}

.doc-content table,
table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 10px;
  overflow: hidden;
}

.doc-content th,
.doc-content td,
th,
td {
  text-align: left;
  padding: 0.7rem;
  border-bottom: 1px solid var(--color-border);
}

.doc-content thead th,
thead th {
  background: #edf5fe;
  color: var(--color-primary);
  font-weight: 700;
}

.doc-content tbody tr:nth-child(even),
tbody tr:nth-child(even) {
  background: #f9fcff;
}

footer {
  border-top: 1px solid var(--color-border);
  padding: 1rem 0 2rem;
  color: var(--color-muted);
  font-size: 0.95rem;
}

a:focus-visible,
button:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid var(--color-primary-2);
  outline-offset: 2px;
  box-shadow: 0 0 0 4px rgba(244, 197, 66, 0.4);
  border-radius: 6px;
}

@media (max-width: 760px) {
  .site-header {
    flex-direction: column;
    align-items: flex-start;
  }

  nav a {
    margin: 0 0.8rem 0 0;
  }
}

/* CV-specific typography: reserve dark-blue bold for section titles only. */
.cv-page .cv-section-title {
  margin: 2rem 0 0.8rem;
  font-family: "Merriweather", Georgia, serif;
  font-size: clamp(1.2rem, 2.2vw, 1.6rem);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--color-primary);
  border-bottom: 2px solid var(--color-primary);
  display: inline-block;
  padding-bottom: 0.1rem;
}

.cv-page .doc-content .cv-section-title:first-child {
  margin-top: 0.25rem;
}

.cv-page .doc-content table {
  margin: 0 0 1.25rem;
}

.cv-page .doc-content thead th,
.cv-page .doc-content th {
  background: transparent;
  color: var(--color-text);
  font-weight: 400;
}

.cv-page .doc-content th strong,
.cv-page .doc-content td strong {
  color: var(--color-text);
  font-weight: 400;
}

.cv-page .cv-actions {
  margin: 0.6rem 0 1.4rem;
}

.cv-page .cv-download-btn {
  display: inline-block;
  background: var(--color-primary-2);
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  border-radius: 10px;
  padding: 0.55rem 0.9rem;
  border: 1px solid #174f8a;
}

.cv-page .cv-download-btn:hover {
  background: var(--color-primary);
}

.cv-page .cv-layout {
  display: grid;
  grid-template-columns: 250px minmax(0, 1fr);
  gap: 1.25rem;
  align-items: start;
}

.cv-page .cv-toc {
  position: sticky;
  top: 5.4rem;
  border: 1px solid var(--color-border);
  background: #fff;
  border-radius: 12px;
  padding: 0.8rem;
}

.cv-page .cv-toc-title {
  margin: 0 0 0.45rem;
  font-size: 0.88rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-weight: 700;
  color: var(--color-primary);
}

.cv-page .cv-mini-toc ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.cv-page .cv-mini-toc li + li {
  margin-top: 0.28rem;
}

.cv-page .cv-mini-toc a {
  color: var(--color-muted);
  text-decoration: none;
  font-size: 0.95rem;
}

.cv-page .cv-mini-toc a:hover {
  color: var(--color-primary);
}

.cv-page .cv-section {
  border: 1px solid var(--color-border);
  border-radius: 12px;
  background: #fff;
  margin: 0 0 1rem;
  overflow: hidden;
}

.cv-page .cv-section > summary {
  list-style: none;
  cursor: pointer;
  margin: 0;
  padding: 0.8rem 1rem;
  font-family: "Merriweather", Georgia, serif;
  font-size: 1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--color-primary);
  background: #edf5fe;
  border-bottom: 1px solid var(--color-border);
}

.cv-page .cv-section > summary::-webkit-details-marker {
  display: none;
}

.cv-page .cv-section > summary::after {
  content: '+';
  float: right;
  font-family: "Source Sans 3", "Segoe UI", sans-serif;
  font-size: 1.15rem;
  line-height: 1;
}

.cv-page .cv-section[open] > summary::after {
  content: '−';
}

.cv-page .cv-section-body {
  padding: 0.3rem 0.75rem 0.7rem;
}

.cv-page .cv-section-body table {
  margin: 0.25rem 0 0.5rem;
}

@media (max-width: 980px) {
  .cv-page .cv-layout {
    grid-template-columns: 1fr;
  }

  .cv-page .cv-toc {
    position: static;
    order: -1;
  }
}