:root {
  --bg: #121c27;
  --bg-soft: #172534;
  --surface: rgba(255, 252, 247, 0.82);
  --surface-strong: rgba(255, 252, 247, 0.92);
  --surface-tint: #eadcc7;
  --text: #132735;
  --muted: #5c6b72;
  --line: rgba(19, 39, 53, 0.12);
  --primary: #0f6074;
  --primary-deep: #083b50;
  --accent: #bf6f3e;
  --accent-soft: #f7e0ce;
  --shadow: 0 26px 70px rgba(7, 18, 26, 0.28);
  --radius-xl: 30px;
  --radius-lg: 22px;
  --radius-md: 16px;
  --max-width: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  position: relative;
  margin: 0;
  color: var(--text);
  font-family: "Avenir Next", "Segoe UI", "Helvetica Neue", sans-serif;
  background: linear-gradient(145deg, #1a1d20 0%, #22262a 48%, #2b3034 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(rgba(14, 16, 18, 0.24), rgba(16, 18, 20, 0.34)),
    radial-gradient(circle at 16% 18%, rgba(71, 120, 137, 0.12), transparent 24%),
    radial-gradient(circle at 81% 20%, rgba(190, 126, 82, 0.12), transparent 20%),
    url("../../media/images/background-mosaic-dark.png");
  background-position: center;
  background-repeat: no-repeat;
  background-size: auto, auto, auto, cover;
  filter: saturate(1) brightness(0.92) contrast(1.01);
  opacity: 0.98;
  z-index: 0;
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(rgba(255, 255, 255, 0.014) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.012) 1px, transparent 1px),
    radial-gradient(circle at center, transparent 46%, rgba(8, 11, 13, 0.2) 100%);
  background-size: 72px 72px, 72px 72px, auto;
  opacity: 0.22;
  z-index: 0;
}

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

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

p {
  margin: 0;
  line-height: 1.7;
}

ul {
  margin: 0;
  padding-left: 1.1rem;
}

h1,
h2,
h3,
h4 {
  margin: 0;
  font-family: "Iowan Old Style", "Palatino Linotype", Georgia, serif;
  line-height: 1.05;
  letter-spacing: -0.03em;
}

.site-shell {
  position: relative;
  z-index: 1;
  width: min(calc(100% - 32px), var(--max-width));
  margin: 0 auto;
  padding: 24px 0 56px;
}

@media (min-width: 1081px) {
  .site-shell {
    zoom: 0.70;
  }
}

.site-header {
  position: sticky;
  top: 18px;
  z-index: 20;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 20px;
  padding: 18px 22px;
  margin-bottom: 24px;
  background: rgba(255, 251, 246, 0.74);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 999px;
  box-shadow: 0 18px 40px rgba(6, 16, 24, 0.2);
  backdrop-filter: blur(18px);
}

.brand-wrap {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-deep), var(--primary));
  color: white;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.brand-copy {
  display: grid;
  gap: 2px;
}

.brand-name {
  font-size: 1rem;
  font-weight: 700;
}

.brand-role {
  color: var(--muted);
  font-size: 0.88rem;
}

.site-nav {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
}

.site-nav a {
  padding: 10px 14px;
  border-radius: 999px;
  color: var(--muted);
  transition: 180ms ease;
}

.site-nav a:hover,
.site-nav a.active {
  color: var(--primary-deep);
  background: rgba(15, 96, 116, 0.1);
}

.header-cta,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 46px;
  padding: 0 18px;
  border-radius: 999px;
  font-weight: 700;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.header-cta:hover,
.button:hover {
  transform: translateY(-1px);
}

.header-cta,
.button-primary {
  background: linear-gradient(135deg, var(--accent), #d08742);
  color: white;
  box-shadow: 0 14px 24px rgba(191, 111, 62, 0.22);
}

.button-secondary {
  background: rgba(15, 96, 116, 0.08);
  color: var(--primary-deep);
}

.nav-toggle {
  display: none;
  appearance: none;
  border: 0;
  background: rgba(15, 96, 116, 0.08);
  color: var(--primary-deep);
  border-radius: 999px;
  padding: 11px 14px;
  font-weight: 700;
}

main > section + section {
  margin-top: 28px;
}

.page-intro,
.panel {
  padding: 32px;
  background: var(--surface);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
}

.eyebrow,
.meta-line {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.73rem;
  font-weight: 700;
}

.page-intro h1 {
  font-size: clamp(2.8rem, 5vw, 5rem);
  margin-top: 12px;
}

.lead {
  margin-top: 16px;
  font-size: 1.16rem;
  color: var(--muted);
}

.section-heading {
  display: grid;
  gap: 10px;
  margin-bottom: 22px;
}

.section-heading h2,
.list-card h3 {
  font-size: 1.7rem;
}

.two-column {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.panel-accent {
  background:
    radial-gradient(circle at top right, rgba(191, 111, 62, 0.18), transparent 34%),
    rgba(255, 251, 246, 0.84);
}

.panel-soft {
  background:
    radial-gradient(circle at top left, rgba(15, 96, 116, 0.16), transparent 34%),
    rgba(255, 251, 246, 0.84);
}

.stack-list,
.directory-list,
.year-list {
  display: grid;
  gap: 18px;
}

.list-card,
.resource-panel {
  padding: 18px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.68);
  border: 1px solid rgba(19, 39, 53, 0.09);
}

.list-card.compact h3 {
  font-size: 1.3rem;
}

.directory-content {
  display: grid;
  gap: 14px;
  min-width: 0;
}

.link-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.link-row a,
.inline-link {
  color: var(--primary);
  font-weight: 700;
}

.rich-text {
  display: grid;
  gap: 12px;
  color: var(--muted);
}

.rich-text ul {
  display: grid;
  gap: 8px;
}

.footer-title {
  margin-bottom: 10px;
  color: var(--muted);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
}

.site-footer {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 42px;
  padding: 30px 0 12px;
  color: var(--muted);
}

.site-footer a,
.site-footer span {
  display: block;
  margin-top: 8px;
}

@media (max-width: 1080px) {
  .two-column,
  .site-footer {
    grid-template-columns: 1fr;
  }

  .site-header {
    grid-template-columns: auto auto;
    grid-template-areas:
      "brand toggle"
      "nav nav"
      "cta cta";
    border-radius: 28px;
  }

  .brand-wrap {
    grid-area: brand;
  }

  .nav-toggle {
    display: inline-flex;
    justify-self: end;
  }

  .site-nav {
    grid-area: nav;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding-top: 10px;
  }

  .site-nav.is-open {
    display: flex;
  }

  .header-cta {
    grid-area: cta;
    justify-content: center;
  }
}

@media (max-width: 760px) {
  .site-shell {
    width: min(calc(100% - 20px), var(--max-width));
    padding-top: 14px;
  }

  .site-header,
  .page-intro,
  .panel {
    padding: 20px;
  }

  .page-intro h1 {
    font-size: 2.5rem;
  }

  .section-heading h2,
  .list-card h3 {
    font-size: 1.45rem;
  }
}