:root {
  --serif: "Playfair Display", Georgia, serif;
  --sans: Montserrat, "Helvetica Neue", Arial, sans-serif;
  --ink: #333333;
  --heading: #6f6f6f;
  --muted: #5f5f5f;
  --alt-bg: #f6f6f6;
  --line: #d8d8d8;
  --accent: #0f6f8f;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: #ffffff;
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1rem;
  line-height: 1.7;
}

/* Hero */
.hero {
  position: relative;
  min-height: min(78vh, 40rem);
  padding: 2rem 1.5rem 4rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: #ffffff;
  background: linear-gradient(rgba(6, 18, 28, 0.45), rgba(6, 18, 28, 0.55)),
    url("/assets/hero.jpg") center / cover no-repeat;
  border-top: 3px solid var(--accent);
}

.wordmark {
  position: absolute;
  top: 1.75rem;
  left: 0;
  right: 0;
}

.wordmark a {
  color: #f7f7f7;
  font-family: var(--sans);
  font-weight: 700;
  font-size: clamp(0.9rem, 2.2vw, 1.5rem);
  letter-spacing: 0.25em;
  text-transform: uppercase;
  text-decoration: none;
}

.hero h1 {
  margin: 4rem 0 1rem;
  max-width: 46rem;
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(2.25rem, 7vw, 4rem);
  line-height: 1.15;
}

.hero-sub {
  margin: 0;
  max-width: 34rem;
  font-size: clamp(0.95rem, 2vw, 1.125rem);
  color: rgba(255, 255, 255, 0.88);
}

/* Sections */
.section {
  padding: 5rem 1.5rem;
}

.section.alt {
  background: var(--alt-bg);
}

.section > * {
  margin-left: auto;
  margin-right: auto;
}

h2 {
  margin: 0;
  color: var(--heading);
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(1.9rem, 5vw, 3rem);
  text-align: center;
}

.rule {
  display: block;
  width: 3rem;
  height: 1px;
  margin: 1.5rem auto 2rem;
  background: var(--line);
}

.lede {
  max-width: 46rem;
  color: var(--muted);
  font-size: 1.0625rem;
}

.lede.center {
  text-align: center;
}

/* Cards */
.grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(17rem, 1fr));
  max-width: 68rem;
}

.card {
  padding: 2rem;
  background: #ffffff;
  border: 1px solid var(--line);
}

.card h3 {
  margin: 0 0 0.75rem;
  color: var(--heading);
  font-family: var(--serif);
  font-weight: 500;
  font-size: 1.375rem;
}

.card h3 a {
  color: inherit;
  text-decoration: none;
}

.card:hover {
  border-color: var(--accent);
}

.card:hover h3 a {
  color: var(--accent);
}

.card .more {
  display: inline-block;
  margin-top: 1.25rem;
  color: var(--accent);
  font-weight: 600;
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
}

.card .more:hover {
  text-decoration: underline;
}

.card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.9375rem;
}

/* Table */
.table-wrap {
  max-width: 68rem;
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9375rem;
}

th,
td {
  padding: 0.9rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

thead th {
  color: var(--heading);
  font-family: var(--sans);
  font-weight: 700;
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  white-space: nowrap;
}

tbody td:first-child {
  font-weight: 600;
  color: var(--ink);
  white-space: nowrap;
}

tbody tr:hover {
  background: rgba(15, 111, 143, 0.04);
}

/* Compact hero + topic nav */
.hero-compact {
  min-height: min(46vh, 24rem);
}

.hero-compact h1 {
  margin: 3.5rem 0 0.75rem;
  font-size: clamp(1.9rem, 5.5vw, 3.25rem);
}

.topics-nav {
  background: #ffffff;
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 2;
}

.topics-nav ul {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0 2rem;
  max-width: 68rem;
  margin: 0 auto;
  padding: 1rem 1.5rem;
  list-style: none;
}

.topics-nav a {
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
}

.topics-nav a:hover,
.topics-nav a.current {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

/* Article prose */
.prose {
  max-width: 46rem;
  margin: 0 auto;
  padding: 3rem 1.5rem 0;
}

.prose:last-of-type {
  padding-bottom: 3rem;
}

.prose h2 {
  text-align: left;
  font-size: clamp(1.5rem, 3.5vw, 2.125rem);
}

.prose .rule {
  margin: 1rem 0 1.75rem;
}

ul.detail {
  margin: 0;
  padding-left: 1.25rem;
  color: var(--muted);
}

ul.detail li {
  margin-bottom: 1rem;
}

ul.detail strong {
  color: var(--ink);
  font-weight: 600;
}

ul.detail.plain {
  list-style: none;
  padding-left: 0;
}

ul.detail a {
  color: var(--accent);
}

.pager {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  max-width: 46rem;
  margin: 1rem auto 4rem;
  padding: 1.75rem 1.5rem 0;
  border-top: 1px solid var(--line);
}

.pager a {
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
}

.pager .next {
  margin-left: auto;
}

.pager a:hover {
  text-decoration: underline;
}

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

footer a:hover {
  text-decoration: underline;
}

/* Links + footer */
.links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 2rem;
  margin-top: 2.5rem;
}

.links a {
  color: var(--accent);
  font-weight: 600;
  font-size: 0.8125rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
}

.links a:hover {
  border-bottom-color: var(--accent);
}

footer {
  padding: 2rem 1.5rem;
  text-align: center;
  color: #8a8a8a;
  font-size: 0.8125rem;
  border-top: 1px solid var(--line);
}

footer p {
  margin: 0;
}