:root {
  color-scheme: light;
  --bg: #f4f7f8;
  --bg-soft: #e9eff1;
  --surface: #ffffff;
  --surface-muted: #eef3f4;
  --ink: #10181d;
  --ink-soft: #27353d;
  --muted: #65747d;
  --line: #cbd7dc;
  --line-strong: #aebcc3;
  --accent: #176d75;
  --accent-2: #9e493f;
  --accent-3: #657a5d;
  --accent-4: #55486d;
  --gold: #a76f2b;
  --shadow: 0 22px 70px rgba(19, 34, 43, 0.12);
  --radius: 8px;
  --content: 1120px;
  --header-height: 68px;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  background: var(--bg);
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(180deg, #edf4f6 0, var(--bg) 18rem),
    var(--bg);
  font-size: 16px;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
}

body.nav-open {
  overflow: hidden;
}

a {
  color: inherit;
  text-decoration-color: rgba(23, 109, 117, 0.38);
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.22em;
}

a:hover {
  color: var(--accent);
  text-decoration-color: currentColor;
}

button {
  font: inherit;
}

:focus-visible {
  outline: 3px solid rgba(23, 109, 117, 0.35);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 1000;
  transform: translateY(-160%);
  border-radius: var(--radius);
  background: var(--ink);
  color: var(--surface);
  padding: 0.75rem 1rem;
  font-weight: 700;
  transition: transform 180ms ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid rgba(174, 188, 195, 0.62);
  background: rgba(244, 247, 248, 0.9);
  backdrop-filter: blur(18px);
}

.header-inner {
  width: min(100%, var(--content));
  min-height: var(--header-height);
  margin: 0 auto;
  padding: 0.78rem 1rem;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 0.8rem;
}

.brand-lockup {
  min-width: 0;
  display: grid;
  line-height: 1.08;
  text-decoration: none;
}

.brand-title {
  width: max-content;
  color: var(--ink);
  font-family: ui-serif, Georgia, Cambria, "Times New Roman", serif;
  font-size: 1.28rem;
  font-weight: 760;
  letter-spacing: 0;
}

.brand-subtitle {
  margin-top: 0.16rem;
  color: var(--muted);
  font-size: 0.77rem;
}

.nav-toggle {
  width: 2.75rem;
  height: 2.75rem;
  display: inline-grid;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.72);
  cursor: pointer;
}

.nav-toggle-icon,
.nav-toggle-icon::before,
.nav-toggle-icon::after {
  width: 1.14rem;
  height: 2px;
  display: block;
  border-radius: 999px;
  background: currentColor;
  transition:
    transform 180ms ease,
    opacity 180ms ease;
}

.nav-toggle-icon {
  position: relative;
}

.nav-toggle-icon::before,
.nav-toggle-icon::after {
  content: "";
  position: absolute;
  left: 0;
}

.nav-toggle-icon::before {
  transform: translateY(-6px);
}

.nav-toggle-icon::after {
  transform: translateY(6px);
}

.site-header[data-nav-open="true"] .nav-toggle-icon {
  background: transparent;
}

.site-header[data-nav-open="true"] .nav-toggle-icon::before {
  transform: rotate(45deg);
}

.site-header[data-nav-open="true"] .nav-toggle-icon::after {
  transform: rotate(-45deg);
}

.site-nav {
  grid-column: 1 / -1;
  max-height: 0;
  overflow: hidden;
  visibility: hidden;
  opacity: 0;
  transition:
    max-height 220ms ease,
    opacity 180ms ease,
    visibility 180ms ease;
}

.site-header[data-nav-open="true"] .site-nav {
  max-height: calc(100vh - var(--header-height));
  visibility: visible;
  opacity: 1;
}

.site-nav ul {
  list-style: none;
  margin: 0;
  padding: 0.55rem 0 0.85rem;
  display: grid;
  gap: 0.16rem;
}

.site-nav a {
  min-height: 2.85rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-radius: var(--radius);
  padding: 0.62rem 0.72rem;
  color: var(--ink-soft);
  text-decoration: none;
  font-weight: 680;
}

.site-nav a::after {
  content: "";
  width: 0.35rem;
  height: 0.35rem;
  border-radius: 50%;
  background: transparent;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  background: rgba(23, 109, 117, 0.08);
  color: var(--ink);
}

.site-nav a[aria-current="page"]::after {
  background: var(--accent);
}

main {
  min-height: calc(100vh - var(--header-height));
}

.hero,
.section-shell,
.intro-inner,
.page-hero,
.content-layout,
.footer-inner {
  width: min(100%, var(--content));
  margin: 0 auto;
  padding-inline: 1rem;
}

.hero {
  padding-block: 2.9rem 3.4rem;
  display: grid;
  gap: 2rem;
}

.kicker {
  margin: 0 0 0.8rem;
  color: var(--accent);
  font-size: 0.76rem;
  font-weight: 780;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero h1,
.page-hero h1 {
  margin: 0;
  color: var(--ink);
  font-family: ui-serif, Georgia, Cambria, "Times New Roman", serif;
  font-size: clamp(3.1rem, 2.48rem + 2vw, 5.1rem);
  line-height: 0.94;
  letter-spacing: 0;
}

.hero h1 {
  max-width: 8ch;
}

.page-hero h1 {
  max-width: 12ch;
}

.lede {
  max-width: 40rem;
  margin: 1.1rem 0 0;
  color: var(--ink-soft);
  font-size: clamp(1.12rem, 1.03rem + 0.35vw, 1.32rem);
  line-height: 1.58;
}

.hero-note {
  max-width: 39rem;
  margin: 1rem 0 0;
  color: var(--muted);
  font-size: 1rem;
}

.hero-actions {
  margin-top: 1.45rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.72rem;
}

.button {
  min-height: 2.85rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--ink);
  border-radius: var(--radius);
  padding: 0.68rem 1rem;
  background: var(--ink);
  color: var(--surface);
  text-decoration: none;
  font-weight: 760;
}

.button:hover {
  border-color: var(--accent);
  background: var(--accent);
  color: var(--surface);
}

.button.secondary {
  border-color: var(--line-strong);
  background: transparent;
  color: var(--ink);
}

.button.secondary:hover {
  border-color: rgba(23, 109, 117, 0.42);
  background: rgba(23, 109, 117, 0.08);
  color: var(--ink);
}

.home-board {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.96), rgba(238, 243, 244, 0.86));
  box-shadow: var(--shadow);
  overflow: hidden;
}

.board-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  border-bottom: 1px solid var(--line);
  padding: 0.9rem 1rem;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 720;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.board-list {
  padding: 1rem;
  display: grid;
  gap: 0.62rem;
}

.board-row {
  display: grid;
  grid-template-columns: 5.8rem minmax(0, 1fr);
  align-items: center;
  gap: 0.8rem;
  color: var(--ink-soft);
  font-size: 0.88rem;
  font-weight: 680;
}

.board-line {
  height: 0.45rem;
  border-radius: 999px;
  background: var(--accent);
  opacity: 0.86;
}

.board-line-2 {
  width: 82%;
  background: var(--accent-2);
}

.board-line-3 {
  width: 62%;
  background: var(--accent-4);
}

.board-line-4 {
  width: 74%;
  background: var(--accent-3);
}

.board-line-5 {
  width: 56%;
  background: var(--gold);
}

.board-line-6 {
  width: 68%;
  background: #3c657c;
}

.media-rail {
  min-height: 12rem;
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 1px;
  border-top: 1px solid var(--line);
  background: var(--line);
}

.media-stack {
  display: grid;
  gap: 1px;
}

.media-slot {
  min-height: 5.9rem;
  display: grid;
  place-items: end start;
  padding: 0.85rem;
  background:
    linear-gradient(135deg, rgba(16, 24, 29, 0.08), rgba(23, 109, 117, 0.13)),
    var(--surface-muted);
  color: rgba(16, 24, 29, 0.55);
  font-size: 0.72rem;
  font-weight: 760;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.media-slot.tall {
  min-height: 12rem;
  background:
    linear-gradient(135deg, rgba(23, 109, 117, 0.18), rgba(158, 73, 63, 0.12)),
    var(--surface-muted);
}

.intro-band {
  border-block: 1px solid var(--line);
  background: var(--ink);
  color: var(--surface);
}

.intro-inner {
  padding-block: 2.35rem;
}

.intro-inner .kicker {
  color: #86cbd0;
}

.intro-inner h2,
.section-heading h2,
.shelf-layout h2,
.content-module h2,
.next-panel h2 {
  margin: 0;
  font-family: ui-serif, Georgia, Cambria, "Times New Roman", serif;
  font-size: clamp(1.72rem, 1.38rem + 1vw, 2.62rem);
  line-height: 1.08;
  letter-spacing: 0;
}

.intro-inner p:last-child {
  max-width: 47rem;
  margin: 1rem 0 0;
  color: rgba(255, 255, 255, 0.74);
}

.section-shell {
  padding-block: 3.2rem;
}

.section-heading {
  display: grid;
  gap: 0.55rem;
  margin-bottom: 1.35rem;
}

.section-heading h2,
.shelf-layout h2 {
  max-width: 48rem;
}

.feature-grid {
  display: grid;
  gap: 0.85rem;
}

.feature-item {
  position: relative;
  display: grid;
  gap: 0.64rem;
  border-top: 1px solid var(--line-strong);
  padding: 1rem 0 0;
}

.feature-item p,
.entry-item p {
  margin: 0;
  color: var(--accent);
  font-size: 0.74rem;
  font-weight: 780;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.feature-item h3,
.entry-item h2 {
  margin: 0;
  font-size: 1.12rem;
  line-height: 1.18;
}

.feature-item h3 a {
  text-decoration: none;
}

.feature-item span,
.entry-item span {
  color: var(--muted);
}

.feature-item-primary {
  border: 0;
  border-radius: var(--radius);
  padding: 1.1rem;
  background: var(--surface);
  box-shadow: 0 14px 40px rgba(19, 34, 43, 0.08);
}

.feature-item-primary::before {
  content: "";
  width: 4.2rem;
  height: 0.28rem;
  border-radius: 999px;
  background: var(--accent-2);
}

.shelf-band {
  border-top: 1px solid var(--line);
  background: var(--bg-soft);
}

.shelf-layout {
  display: grid;
  gap: 1.4rem;
}

.shelf-list {
  display: grid;
  gap: 0.72rem;
}

.shelf-link {
  display: grid;
  gap: 0.24rem;
  border-left: 3px solid var(--line-strong);
  padding: 0.1rem 0 0.1rem 0.85rem;
  text-decoration: none;
}

.shelf-link:nth-child(1) {
  border-color: var(--gold);
}

.shelf-link:nth-child(2) {
  border-color: var(--accent-4);
}

.shelf-link:nth-child(3) {
  border-color: var(--accent);
}

.shelf-link strong {
  color: var(--ink);
}

.shelf-link span {
  color: var(--muted);
}

.page-hero {
  padding-block: 2.8rem 2.2rem;
}

.content-band {
  border-top: 1px solid var(--line);
}

.content-layout {
  padding-block: 2.3rem 3.4rem;
  display: grid;
  gap: 1.5rem;
}

.content-main {
  display: grid;
  gap: 1.1rem;
}

.page-intro {
  max-width: 47rem;
  margin: 0;
  color: var(--ink-soft);
  font-size: 1.05rem;
}

.content-module {
  display: grid;
  gap: 0.85rem;
  border-top: 1px solid var(--line);
  padding-top: 1.15rem;
}

.content-module h2,
.next-panel h2 {
  font-size: clamp(1.32rem, 1.15rem + 0.55vw, 1.78rem);
}

.detail-list,
.entry-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.82rem;
}

.detail-list li {
  display: grid;
  gap: 0.18rem;
  border-left: 3px solid var(--accent);
  padding-left: 0.85rem;
}

.detail-list strong {
  color: var(--ink);
}

.detail-list span {
  color: var(--muted);
}

.entry-list {
  gap: 0.9rem;
}

.entry-item,
.external-link,
.next-panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.68);
}

.entry-item {
  display: grid;
  gap: 0.68rem;
  padding: 1rem;
}

.entry-item:nth-child(2n) p {
  color: var(--accent-2);
}

.entry-item:nth-child(3n) p {
  color: var(--accent-4);
}

.link-list {
  display: grid;
  gap: 0.76rem;
}

.external-link {
  display: grid;
  gap: 0.25rem;
  padding: 0.95rem 1rem;
  text-decoration: none;
}

.external-link strong {
  color: var(--ink);
}

.external-link span {
  color: var(--muted);
}

.external-link.is-placeholder {
  background: rgba(255, 255, 255, 0.44);
}

.next-panel {
  padding: 1rem;
}

.next-panel h2 {
  margin-bottom: 0.75rem;
}

.next-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.next-links a {
  min-height: 2rem;
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.28rem 0.66rem;
  background: rgba(255, 255, 255, 0.56);
  color: var(--ink-soft);
  text-decoration: none;
  font-size: 0.86rem;
  font-weight: 700;
}

.site-footer {
  border-top: 1px solid var(--line);
  background: #edf2f4;
}

.footer-inner {
  padding-block: 1.45rem;
  display: grid;
  gap: 0.7rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.footer-inner p {
  margin: 0;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

@media (min-width: 680px) {
  .feature-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .feature-item-primary {
    grid-column: 1 / -1;
  }

  .entry-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .link-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .hero {
    grid-template-columns: minmax(0, 0.93fr) minmax(21rem, 0.62fr);
    align-items: center;
    gap: 3.25rem;
    padding-block: 4.1rem 4.35rem;
  }

  .hero h1 {
    max-width: 10ch;
  }

  .section-shell {
    padding-block: 4rem;
  }

  .intro-inner {
    padding-block: 3.25rem;
  }

  .feature-grid {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 1.1rem 1.35rem;
    align-items: start;
  }

  .feature-item-primary {
    grid-column: auto;
    grid-row: span 3;
    min-height: 19rem;
    align-content: end;
    padding: 1.25rem;
    background:
      linear-gradient(135deg, rgba(16, 24, 29, 0.96), rgba(31, 51, 60, 0.96)),
      var(--ink);
    color: var(--surface);
  }

  .feature-item-primary h3 a,
  .feature-item-primary span {
    color: var(--surface);
  }

  .feature-item-primary p {
    color: #86cbd0;
  }

  .shelf-layout {
    grid-template-columns: minmax(0, 0.76fr) minmax(19rem, 0.5fr);
    align-items: start;
    gap: 3rem;
  }

  .page-hero {
    padding-block: 4.25rem 3rem;
  }

  .content-layout {
    grid-template-columns: minmax(0, 0.82fr) minmax(18rem, 0.32fr);
    gap: 3rem;
    align-items: start;
    padding-block: 3.2rem 4.4rem;
  }

  .footer-inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }
}

@media (min-width: 1080px) {
  .header-inner {
    grid-template-columns: auto minmax(0, 1fr);
    padding-inline: 1rem;
  }

  .nav-toggle {
    display: none;
  }

  .site-nav {
    grid-column: auto;
    max-height: none;
    overflow: visible;
    visibility: visible;
    opacity: 1;
  }

  .site-nav ul {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 0.08rem;
    padding: 0;
  }

  .site-nav a {
    min-height: 2.3rem;
    padding: 0.42rem 0.58rem;
    font-size: 0.88rem;
  }

  .site-nav a::after {
    display: none;
  }
}

@media (min-width: 1180px) {
  .site-nav a {
    padding-inline: 0.72rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}