/* CSS Reset and Variables */
:root {
  --color-primary: #0e2a3a;
  --color-secondary: #5b7a8c;
  --color-accent: #ff6b3d;
  --color-surface: #f4f7f9;
  --color-ink: #0a1620;
  --color-ink-muted: #3d5666;
  --color-border: #d0dcde;
  --color-white: #ffffff;
  
  --font-display: 'Sofia Sans Extra Condensed', -apple-system, sans-serif;
  --font-body: 'Instrument Sans', system-ui, sans-serif;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  background-color: var(--color-surface);
  color: var(--color-ink);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

body {
  min-height: 100vh;
  overflow-x: hidden;
}

/* Base Link Styles */
a {
  color: var(--color-primary);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color 0.15s ease, text-decoration-color 0.15s ease;
}

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

/* Layout Grid Architecture */
.site-body-frame {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  min-height: 100vh;
}

/* Left Nav Panel / Rail */
.site-nav-panel {
  background-color: var(--color-primary);
  color: var(--color-surface);
  padding: 2.5rem 1.75rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: sticky;
  top: 0;
  height: 100vh;
  border-right: 2px solid var(--color-ink);
  z-index: 100;
}

.site-brand-block {
  margin-bottom: 3rem;
}

.brand-logotype {
  font-family: var(--font-display);
  font-size: 3.25rem;
  font-weight: 900;
  color: var(--color-white);
  text-decoration: none;
  letter-spacing: 0.02em;
  display: block;
  line-height: 0.9;
}

.brand-logotype:hover {
  color: var(--color-accent);
}

.brand-tagline-sub {
  display: block;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--color-accent);
  margin-top: 0.5rem;
  text-transform: uppercase;
}

.site-menu-nav {
  margin-bottom: auto;
}

.menu-link-stack {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.menu-stack-item {
  margin: 0;
  padding: 0;
}

.menu-stack-link {
  font-family: var(--font-display);
  font-size: 1.65rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-surface);
  text-decoration: none;
  display: block;
  padding: 0.4rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  letter-spacing: 0.04em;
}

.menu-stack-link:hover,
.menu-stack-link.active {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

.site-rail-footer {
  font-size: 0.85rem;
  color: var(--color-secondary);
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  padding-top: 1.5rem;
  margin-top: 2rem;
}

.rail-footer-copyright {
  margin-bottom: 0.75rem;
  line-height: 1.4;
}

.rail-footer-links a {
  color: var(--color-surface);
  font-size: 0.85rem;
}

.rail-footer-links a:hover {
  color: var(--color-accent);
}

/* Main Content Stage */
.site-main-stage {
  min-width: 0;
  background-color: var(--color-white);
}

/* Mobile Rail Collapse */
@media (max-width: 860px) {
  .site-body-frame {
    grid-template-columns: 1fr;
  }
  
  .site-nav-panel {
    position: static;
    height: auto;
    padding: 1.5rem 1.25rem;
    border-right: none;
    border-bottom: 3px solid var(--color-accent);
  }
  
  .site-brand-block {
    margin-bottom: 1.25rem;
  }
  
  .brand-logotype {
    font-size: 2rem;
  }
  .brand-tagline-sub {
    font-size: 0.8rem;
  }
  
  .menu-link-stack {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 1rem 1.5rem;
  }
  
  .menu-stack-link {
    font-size: 1.35rem;
    border-bottom: none;
    padding: 0;
  }
  
  .site-rail-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 1.25rem;
    padding-top: 1rem;
  }
  
  .rail-footer-copyright br {
    display: none;
  }
  .site-rail-footer {
    font-size: 0.8rem;
    margin-top: 0.75rem;
    padding-top: 0.5rem;
  }
}

/* Homepage Poster Opening */
.manifesto-stage {
  min-height: 65vh;
  background-color: var(--color-surface);
  padding: 4rem 3.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border-bottom: 2px solid var(--color-primary);
}

.manifesto-headline {
  font-family: var(--font-display);
  font-size: clamp(4rem, 10vw, 8.5rem);
  font-weight: 900;
  line-height: 0.85;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 2rem;
  letter-spacing: -0.01em;
}

.manifesto-lead {
  font-family: var(--font-body);
  font-size: clamp(1.2rem, 2.2vw, 1.6rem);
  line-height: 1.4;
  color: var(--color-ink);
  max-width: 42ch;
  font-weight: 500;
  border-left: 3px solid var(--color-accent);
  padding-left: 1.5rem;
}

.manifesto-index {
  margin-top: 3.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
}

.manifesto-index-label {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--color-secondary);
  margin-bottom: 1rem;
  display: block;
}

.manifesto-anchors {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2rem;
}

.manifesto-chip {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-primary);
  text-decoration: none;
  padding: 0.2rem 0;
  border-bottom: 2px solid transparent;
}

.manifesto-chip:hover {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

@media (max-width: 600px) {
  .manifesto-stage {
    padding: 2.25rem 1.25rem;
    min-height: auto;
  }
  .manifesto-headline {
    font-size: 3.75rem;
  }
  .manifesto-lead {
    padding-left: 1rem;
  }
}

/* Homepage Intro Section & General Prose Rules */
.home-intro-prose {
  padding: 3.5rem 3.5rem;
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-border);
}

@media (max-width: 600px) {
  .home-intro-prose {
    padding: 2rem 1.25rem;
  }
}

/* Universal List Rule for Prose & Homepage Intro */
.prose-body ul,
.prose-body ol,
.intro-copy ul,
.intro-copy ol {
  margin: 1.5rem 0;
  padding-left: 2rem;
}

.prose-body li,
.intro-copy li {
  margin-bottom: 0.5rem;
  line-height: 1.6;
}

.prose-body p,
.intro-copy p {
  margin-bottom: 1.5rem;
  font-size: 1.1rem;
  color: var(--color-ink);
}

.prose-body h2,
.intro-copy h2 {
  font-family: var(--font-display);
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-top: 2.5rem;
  margin-bottom: 1rem;
  line-height: 1.05;
  text-transform: uppercase;
}

.prose-body h3,
.intro-copy h3 {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-top: 2rem;
  margin-bottom: 0.75rem;
  line-height: 1.1;
}

.prose-body blockquote {
  border-left: 4px solid var(--color-accent);
  background-color: var(--color-surface);
  padding: 1.25rem 1.5rem;
  margin: 2rem 0;
  font-style: italic;
  color: var(--color-ink-muted);
}

/* Table and Code Containers */
.prose-body pre {
  background-color: var(--color-primary);
  color: var(--color-surface);
  padding: 1.25rem;
  overflow-x: auto;
  max-width: 100%;
  font-family: monospace;
  font-size: 0.95rem;
  margin: 2rem 0;
  border: 1px solid var(--color-ink);
}

.prose-body code {
  background-color: var(--color-surface);
  color: var(--color-primary);
  padding: 0.15rem 0.4rem;
  font-family: monospace;
  font-size: 0.9em;
  border: 1px solid var(--color-border);
}

.prose-body pre code {
  background: none;
  color: inherit;
  padding: 0;
  border: none;
}

.prose-body table {
  width: 100%;
  display: block;
  overflow-x: auto;
  max-width: 100%;
  border-collapse: collapse;
  margin: 2rem 0;
}

.prose-body th,
.prose-body td {
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-border);
  text-align: left;
}

.prose-body th {
  background-color: var(--color-primary);
  color: var(--color-white);
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  text-transform: uppercase;
}

/* Multi-Column Article Deck (Newspaper System) */
.home-article-deck-section,
.list-content-area {
  padding: 3.5rem 3.5rem;
}

@media (max-width: 600px) {
  .home-article-deck-section,
  .list-content-area {
    padding: 2rem 1.25rem;
  }
}

.section-deck-title {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 900;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 2.5rem;
  border-bottom: 3px solid var(--color-primary);
  padding-bottom: 0.5rem;
}

.press-column-deck {
  column-count: 2;
  column-gap: 3.5rem;
  column-rule: 1px solid var(--color-border);
}

@media (max-width: 720px) {
  .press-column-deck {
    column-count: 1;
    column-gap: 0;
  }
}

.press-column-item {
  break-inside: avoid;
  margin-bottom: 2.5rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--color-border);
}

.press-column-item:last-child {
  border-bottom: none;
}

.column-item-title {
  font-family: var(--font-display);
  font-size: 1.95rem;
  font-weight: 700;
  line-height: 1.05;
  margin-bottom: 0.75rem;
}

.column-item-title a {
  color: var(--color-primary);
  text-decoration: none;
}

.column-item-title a:hover {
  color: var(--color-accent);
}

.column-item-desc {
  font-family: var(--font-body);
  font-size: 1.05rem;
  color: var(--color-ink-muted);
  line-height: 1.5;
}

/* Single Article / Page View */
.single-article-stage,
.list-page-stage {
  padding: 4rem 3.5rem;
  max-width: 960px;
}

@media (max-width: 600px) {
  .single-article-stage,
  .list-page-stage {
    padding: 2rem 1.25rem;
  }
}

.article-header-hero,
.section-page-header {
  margin-bottom: 3rem;
  border-bottom: 2px solid var(--color-primary);
  padding-bottom: 2rem;
}

.article-main-title,
.page-title-banner {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 5vw, 4.5rem);
  font-weight: 900;
  line-height: 0.95;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 1.25rem;
}

.article-standfirst,
.section-lead-text {
  font-family: var(--font-body);
  font-size: 1.35rem;
  line-height: 1.45;
  color: var(--color-ink);
  font-weight: 500;
}

.article-meta-bar {
  margin-top: 1.5rem;
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.article-footer-nav {
  margin-top: 4rem;
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
}

.back-to-section-link {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  text-transform: uppercase;
  text-decoration: none;
}