:root {
  --rw-blue: #005a9c;
  --rw-blue-dark: #003d6b;
  --rw-blue-soft: #e8f2f8;
  --rw-ink: #1d2b36;
  --rw-muted: #536471;
  --rw-line: #c9d7df;
  --rw-paper: #ffffff;
  --rw-surface: #f5f8fa;
  --rw-green: #16784b;
  --rw-green-soft: #eaf7ef;
  --rw-purple: #68499b;
  --rw-purple-soft: #f2edf9;
  --rw-warm: #fff5dc;
  --rw-warm-dark: #8a5c00;
  --rw-shadow: 0 10px 30px rgba(21, 47, 66, 0.13);
}

* {
  box-sizing: border-box;
}

html {
  background: var(--rw-surface);
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--rw-ink);
  background: var(--rw-surface);
  font: 17px/1.55 system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
}

a {
  color: var(--rw-blue);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

a:hover {
  text-decoration-thickness: 2px;
}

.container {
  width: min(1120px, 88vw);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  z-index: 10;
  top: 0;
  display: flex;
  min-height: 64px;
  align-items: center;
  justify-content: space-between;
  padding: 0 6vw;
  color: #fff;
  background: var(--rw-blue-dark);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
}

.wordmark {
  color: inherit;
  font-size: 1.25rem;
  font-weight: 750;
  letter-spacing: -0.03em;
  text-decoration: none;
}

.header-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1.15rem;
  font-size: 0.88rem;
}

.header-nav a {
  color: #fff;
  text-decoration: none;
  opacity: 0.9;
}

.header-nav a:hover {
  text-decoration: underline;
  opacity: 1;
}

.home-hero {
  color: #fff;
  background: linear-gradient(120deg, var(--rw-blue-dark), var(--rw-blue) 68%, #227cab);
}

.hero-content {
  padding: clamp(4.2rem, 9vw, 8rem) 0 clamp(3.6rem, 7vw, 6rem);
}

.eyebrow,
.section-label {
  margin: 0 0 1rem;
  font-size: 0.84rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.eyebrow {
  color: #cfeafb;
}

.section-label {
  color: var(--rw-blue);
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.12;
  letter-spacing: -0.035em;
}

h1 {
  max-width: 900px;
  font-size: clamp(2.7rem, 6.5vw, 5.6rem);
}

h2 {
  max-width: 850px;
  font-size: clamp(2rem, 4vw, 3.5rem);
}

h3 {
  font-size: 1.28rem;
}

.hero-lead {
  max-width: 760px;
  margin: 1.6rem 0 0;
  font-size: clamp(1.14rem, 2vw, 1.42rem);
  font-weight: 500;
  opacity: 0.94;
}

.language-choice {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 310px));
  gap: 0.9rem;
  margin-top: 2.25rem;
}

.language-card {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 0.8rem;
  align-items: center;
  padding: 0.95rem 1rem;
  border: 1px solid rgba(255, 255, 255, 0.44);
  color: #fff;
  background: rgba(255, 255, 255, 0.12);
  text-decoration: none;
  transition: background 0.15s ease, transform 0.15s ease;
}

.language-card:hover {
  background: rgba(255, 255, 255, 0.22);
  text-decoration: none;
  transform: translateY(-2px);
}

.language-code {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.6);
  font-size: 0.79rem;
  font-weight: 850;
}

.language-card strong,
.language-card small {
  display: block;
}

.language-card small {
  margin-top: 0.08rem;
  font-size: 0.78rem;
  opacity: 0.85;
}

.section {
  padding: clamp(3.6rem, 7vw, 6rem) 0;
}

.section-tint {
  background: #edf4f7;
}

.section-lead {
  max-width: 780px;
  margin: 1rem 0 0;
  color: var(--rw-muted);
  font-size: 1.1rem;
}

.portal-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.15rem;
  margin-top: 2rem;
}

.portal-card {
  display: flex;
  min-height: 285px;
  flex-direction: column;
  padding: 1.45rem;
  border: 1px solid var(--rw-line);
  border-top: 7px solid var(--rw-blue);
  background: var(--rw-paper);
  box-shadow: 0 3px 10px rgba(20, 44, 60, 0.06);
}

.portal-card h3 {
  margin-top: 0.85rem;
  color: var(--rw-blue-dark);
}

.portal-card p {
  margin: 0.65rem 0 0;
  color: var(--rw-muted);
  font-size: 0.94rem;
}

.portal-kicker {
  display: inline-block;
  width: max-content;
  padding: 0.22rem 0.5rem;
  border-radius: 3px;
  color: #fff;
  background: var(--rw-blue);
  font-size: 0.72rem;
  font-weight: 850;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.portal-stories {
  border-top-color: var(--rw-warm-dark);
}

.portal-stories .portal-kicker {
  color: #5f3f00;
  background: var(--rw-warm);
}

.portal-concept {
  border-top-color: var(--rw-blue);
}

.portal-protocol {
  border-top-color: var(--rw-purple);
}

.portal-protocol .portal-kicker {
  background: var(--rw-purple);
}

.portal-poc {
  border-top-color: var(--rw-green);
}

.portal-poc .portal-kicker {
  background: var(--rw-green);
}

.card-links,
.card-action {
  margin-top: auto;
  padding-top: 1.25rem;
  font-weight: 800;
}

.card-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.card-links a,
.card-action {
  text-decoration: none;
}

.card-links a:hover,
.card-action:hover {
  text-decoration: underline;
}

.compact-message {
  max-width: 1120px;
}

.compact-message p:not(.section-label) {
  max-width: 780px;
  margin: 1rem 0 0;
  color: var(--rw-muted);
  font-size: 1.1rem;
}

.site-footer {
  padding: 3rem 6vw;
  color: #dcecf5;
  background: var(--rw-blue-dark);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  gap: 2.5rem;
}

.footer-wordmark {
  color: #fff;
}

.footer-content p {
  max-width: 450px;
  margin: 0.45rem 0 0;
  font-size: 0.9rem;
}

.footer-content nav {
  display: grid;
  gap: 0.45rem;
  align-content: start;
  font-size: 0.88rem;
}

.footer-content a {
  color: #fff;
}

.stories-page .site-header {
  position: sticky;
}

.stories-hero {
  padding: clamp(3.4rem, 7vw, 6rem) 0;
  color: #fff;
  background: linear-gradient(120deg, var(--rw-blue-dark), var(--rw-blue));
}

.stories-hero h1 {
  font-size: clamp(2.4rem, 5.3vw, 4.6rem);
}

.stories-hero .hero-lead {
  max-width: 800px;
}

.language-switch {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.45rem;
}

.language-switch a,
.language-switch span {
  padding: 0.35rem 0.6rem;
  border: 1px solid rgba(255, 255, 255, 0.5);
  color: #fff;
  font-size: 0.82rem;
  text-decoration: none;
}

.language-switch .current {
  color: var(--rw-blue-dark);
  background: #fff;
  font-weight: 800;
}

.stakeholder-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.15rem;
  margin-top: 2rem;
}

.stakeholder-card {
  padding: 1.35rem;
  border: 1px solid var(--rw-line);
  border-top: 7px solid var(--rw-blue);
  background: var(--rw-paper);
  box-shadow: 0 3px 10px rgba(20, 44, 60, 0.06);
}

.stakeholder-card.context {
  border-top-color: var(--rw-warm-dark);
}

.stakeholder-card.architecture {
  border-top-color: var(--rw-purple);
}

.stakeholder-card.archive {
  border-top-color: var(--rw-green);
}

.stakeholder-card h3 {
  color: var(--rw-blue-dark);
}

.stakeholder-card > p {
  margin: 0.7rem 0 0;
  color: var(--rw-muted);
  font-size: 0.92rem;
}

.reading-path {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--rw-line);
}

.reading-path strong {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--rw-muted);
  font-size: 0.76rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.story-link {
  display: block;
  margin: 0.45rem 0;
  padding: 0.58rem 0.68rem;
  border-left: 4px solid var(--rw-blue);
  color: var(--rw-blue-dark);
  background: var(--rw-blue-soft);
  font-size: 0.88rem;
  font-weight: 750;
  text-decoration: none;
}

.context .story-link {
  border-left-color: var(--rw-warm-dark);
  background: var(--rw-warm);
}

.architecture .story-link {
  border-left-color: var(--rw-purple);
  background: var(--rw-purple-soft);
}

.archive .story-link {
  border-left-color: var(--rw-green);
  background: var(--rw-green-soft);
}

.story-link:hover {
  filter: brightness(0.98);
  text-decoration: underline;
}

.story-link small {
  display: block;
  margin-top: 0.12rem;
  color: var(--rw-muted);
  font-size: 0.77rem;
  font-weight: 500;
}

.status-note {
  max-width: 900px;
  margin-top: 1.6rem;
  padding: 1.05rem 1.25rem;
  border-left: 6px solid var(--rw-warm-dark);
  background: var(--rw-warm);
  color: #60450c;
}

.status-note p {
  margin: 0.15rem 0;
}

.library-note {
  max-width: 920px;
  margin-top: 1.6rem;
  padding: 1.05rem 1.25rem;
  border-left: 6px solid var(--rw-blue);
  background: var(--rw-blue-soft);
}

.library-note p {
  margin: 0.15rem 0;
}

.library-note small {
  display: block;
  margin-top: 0.55rem;
  color: var(--rw-muted);
}

.library-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.15rem;
  margin-top: 2rem;
}

.library-card {
  display: flex;
  min-height: 240px;
  flex-direction: column;
  padding: 1.3rem;
  border: 1px solid var(--rw-line);
  border-top: 7px solid var(--rw-blue);
  background: var(--rw-paper);
  box-shadow: 0 3px 10px rgba(20, 44, 60, 0.06);
}

.library-card.context {
  border-top-color: var(--rw-warm-dark);
}

.library-card.architecture {
  border-top-color: var(--rw-purple);
}

.library-card.archive {
  border-top-color: var(--rw-green);
}

.library-card .tag {
  display: inline-block;
  width: max-content;
  padding: 0.22rem 0.48rem;
  border-radius: 3px;
  color: #fff;
  background: var(--rw-blue);
  font-size: 0.72rem;
  font-weight: 850;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.library-card.context .tag {
  color: #634505;
  background: var(--rw-warm);
}

.library-card.architecture .tag {
  background: var(--rw-purple);
}

.library-card.archive .tag {
  background: var(--rw-green);
}

.library-card h3 {
  margin-top: 0.82rem;
  color: var(--rw-blue-dark);
}

.library-card p {
  margin: 0.6rem 0 0;
  color: var(--rw-muted);
  font-size: 0.91rem;
}

.library-card a {
  margin-top: auto;
  padding-top: 1.15rem;
  font-weight: 800;
  text-decoration: none;
}

.library-card a::after {
  content: " →";
}

@media (max-width: 800px) {
  .site-header {
    padding: 0 1rem;
  }

  .header-nav {
    display: none;
  }

  .container {
    width: min(100% - 2.6rem, 1120px);
  }

  .hero-content {
    padding: 4.2rem 0 3.8rem;
  }

  .language-choice,
  .portal-grid,
  .stakeholder-grid,
  .library-grid {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 3.5rem 0;
  }

  .footer-content {
    display: block;
  }

  .footer-content nav {
    margin-top: 1.5rem;
  }
}