/* ============================================
   BROTHERS IN HEART - Georgia Tech Archives
   ============================================ */

/* --- Reset & Base --- */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --color-bg: #0c0b0f;
  --color-bg-warm: #13111a;
  --color-surface: #1a1824;
  --color-surface-raised: #22202e;
  --color-border: #2e2b3a;
  --color-border-light: rgba(255,255,255,0.08);
  --color-text: #e8e4f0;
  --color-text-muted: #9a95a8;
  --color-text-dim: #6b6578;
  --color-accent: #b89d6a;
  --color-accent-light: #d4bc8a;
  --color-accent-glow: rgba(184, 157, 106, 0.15);
  --color-gt-gold: #b3a369;
  --color-gt-blue: #003057;
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body: 'Source Serif 4', Georgia, serif;
  --font-ui: 'Inter', -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --max-width: 1200px;
  --section-padding: clamp(5rem, 10vh, 8rem);
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font-body);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  overflow-x: hidden;
}

a {
  color: var(--color-accent-light);
  text-decoration: none;
  transition: color 0.2s;
}
a:hover {
  color: #fff;
}

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

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 3rem;
}

/* --- Navigation --- */
#nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(12, 11, 15, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border-light);
  transform: translateY(-100%);
  transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}
#nav.visible {
  transform: translateY(0);
}

/* Scroll progress bar */
.nav-progress {
  position: absolute;
  bottom: 0;
  left: 0;
  height: 2px;
  width: 100%;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-light));
  transform-origin: left;
  transform: scaleX(0);
  z-index: 101;
}

.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 3rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-style: italic;
  color: var(--color-accent) !important;
  letter-spacing: 0.02em;
}

.nav-links {
  display: flex;
  gap: 2rem;
}

.nav-links a {
  font-family: var(--font-ui);
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  transition: color 0.2s;
}
.nav-links a {
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 100%;
  height: 1px;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1);
}
.nav-links a:hover::after,
.nav-links a.active::after {
  transform: scaleX(1);
  transform-origin: left;
}
.nav-links a:hover,
.nav-links a.active {
  color: var(--color-text);
}

/* --- Hero --- */
#hero {
  position: relative;
  height: 100vh;
  min-height: 700px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
}

.hero-bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(0.7) contrast(1.1);
  opacity: 0.25;
  transform: scale(1.1);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(12,11,15,0.3) 0%,
    rgba(12,11,15,0.6) 50%,
    rgba(12,11,15,1) 100%
  );
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 0 2rem;
}

.hero-eyebrow {
  font-family: var(--font-ui);
  font-size: 0.8rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--color-accent);
  margin-bottom: 2rem;
  opacity: 0;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(3.5rem, 8vw, 8rem);
  font-weight: 700;
  line-height: 1.05;
  color: var(--color-text);
  margin-bottom: 1.5rem;
}

.hero-line {
  display: block;
  opacity: 0;
}

.hero-line--italic {
  font-style: italic;
  color: var(--color-accent-light);
}

.hero-subtitle {
  font-family: var(--font-body);
  font-size: clamp(1rem, 2vw, 1.35rem);
  color: var(--color-text-muted);
  max-width: 600px;
  line-height: 1.6;
  margin-bottom: 0.5rem;
  opacity: 0;
}

.hero-latin {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1rem;
  color: var(--color-text-dim);
  opacity: 0;
}
.hero-latin span {
  color: var(--color-accent);
}

.scroll-indicator {
  margin-top: 2rem;
  margin-left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  opacity: 0;
}
.scroll-indicator span {
  font-family: var(--font-ui);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-text-dim);
}
.scroll-line {
  width: 1px;
  height: 30px;
  background: var(--color-accent);
  transform-origin: top;
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; transform: scaleY(0.5); }
  50% { opacity: 1; transform: scaleY(1); }
}

/* --- Sections --- */
.section {
  padding: var(--section-padding) 0;
}

.section--dark {
  background: var(--color-bg-warm);
}

/* --- Section Headers --- */
.section-number {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--color-accent);
  margin-bottom: 0.75rem;
  letter-spacing: 0.05em;
}

.section-heading {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 0.75rem;
  will-change: clip-path;
}

.section-subheading {
  font-family: var(--font-body);
  font-size: 1.15rem;
  color: var(--color-text-muted);
  font-style: italic;
}

.section-header {
  margin-bottom: 4rem;
}

/* --- Body Text --- */
.body-text {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--color-text-muted);
  margin-bottom: 1.25rem;
  max-width: 680px;
}
.body-text:last-child {
  margin-bottom: 0;
}
.body-text--large {
  font-size: 1.2rem;
  max-width: 780px;
}
.body-text--centered {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}
.body-text em {
  color: var(--color-text);
}
.body-text strong {
  color: var(--color-text);
  font-weight: 600;
}

.sub-heading {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 1.25rem;
  color: var(--color-text);
}

/* --- Introduction --- */
.intro-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 5rem;
  align-items: start;
}

.mini-timeline {
  display: flex;
  flex-direction: column;
  gap: 0;
  padding: 2.5rem 2rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  position: relative;
}

.mini-timeline::before {
  content: '';
  position: absolute;
  left: 2.5rem;
  top: 3rem;
  bottom: 3rem;
  width: 2px;
  background: linear-gradient(to bottom, 
    var(--color-accent) 0%, 
    rgba(138, 186, 188, 0.7) 50%, 
    rgba(138, 106, 184, 0.7) 100%);
  opacity: 0.4;
}

.mini-phase {
  display: flex;
  align-items: flex-start;
  gap: 1.5rem;
  padding: 1.5rem 0;
  position: relative;
}

.mini-phase:first-child {
  padding-top: 0;
}

.mini-phase:last-child {
  padding-bottom: 0;
}

.mini-phase-bar {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 4px;
  border: 3px solid var(--color-surface);
  box-shadow: 0 0 0 2px;
  position: relative;
  z-index: 1;
}

[data-phase="1"] .mini-phase-bar { 
  background: #b89d6a;
  box-shadow: 0 0 0 2px #b89d6a, 0 2px 8px rgba(184, 157, 106, 0.4);
}
[data-phase="2"] .mini-phase-bar { 
  background: rgba(138, 186, 188, 0.9);
  box-shadow: 0 0 0 2px rgba(138, 186, 188, 0.7), 0 2px 8px rgba(138, 186, 188, 0.4);
}
[data-phase="3"] .mini-phase-bar { 
  background: rgba(138, 106, 184, 0.9);
  box-shadow: 0 0 0 2px rgba(138, 106, 184, 0.7), 0 2px 8px rgba(138, 106, 184, 0.4);
}

.mini-phase-label {
  flex: 1;
}

.mini-phase-label strong {
  display: block;
  font-family: var(--font-ui);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  margin-bottom: 0.4rem;
}

.mini-phase-label > span:first-of-type {
  display: block;
  font-family: var(--font-body);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.4;
  margin-bottom: 0.25rem;
}

.mini-years {
  display: block;
  font-family: var(--font-mono) !important;
  font-size: 0.85rem !important;
  color: var(--color-text-muted) !important;
  margin-top: 0.25rem;
}

/* --- Year Marker --- */
.year-marker {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 0.35rem 0.85rem;
  border: 1px solid var(--color-accent);
  border-radius: 4px;
  display: inline-block;
  margin-bottom: 1.25rem;
}

/* --- Origins Section --- */
.origins-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
  margin-bottom: 4rem;
}
.origins-narrative {
  margin-bottom: 3.5rem;
}

.origins-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-bottom: 3.5rem;
  perspective: 800px;
}

.stat-card {
  text-align: center;
  padding: 2rem 1.5rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  transition: border-color 0.3s, box-shadow 0.3s;
}
.stat-card:hover {
  border-color: var(--color-accent);
  box-shadow: 0 8px 32px rgba(184, 157, 106, 0.1);
}

.stat-number {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: 0.75rem;
}

.stat-label {
  font-family: var(--font-ui);
  font-size: 0.85rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

.origins-challenges {
  max-width: 680px;
}

/* --- Globe Visualization --- */
.globe-container {
  margin-bottom: 4rem;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.globe-wrapper {
  position: relative;
  width: 100%;
  max-width: 640px;
  aspect-ratio: 1 / 1;
  margin: 0 auto;
  cursor: grabbing;
}

/* SVG Elements */
.water { fill: #1a1824; }
.graticule { fill: none; stroke: #2e2b3a; stroke-width: 0.5px; }
.land { fill: #3d3850; stroke: none; }
.arc { fill: none; stroke: #b89d6a; stroke-width: 1px; opacity: 0.3; }

/* Markers */
.marker { cursor: pointer; transition: r 0.2s; }
.marker.active .marker:hover { stroke: #fff; stroke-width: 2px; }

/* Atmosphere Glow */
#glow-gradient stop:nth-child(1) { stop-color: #b89d6a; stop-opacity: 0.1; }
#glow-gradient stop:nth-child(2) { stop-color: #b89d6a; stop-opacity: 0; }

.globe-tooltip {
  position: absolute;
  pointer-events: none;
  background: rgba(12, 11, 15, 0.92);
  border: 1px solid var(--color-accent);
  border-radius: 6px;
  padding: 0.5rem 0.85rem;
  font-family: var(--font-ui);
  font-size: 0.78rem;
  color: var(--color-text);
  white-space: nowrap;
  opacity: 0;
  transform: translate(-50%, -120%);
  transition: opacity 0.2s;
  z-index: 10;
  backdrop-filter: blur(8px);
}

.globe-tooltip .tooltip-detail {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--color-accent);
  display: block;
  margin-top: 0.15rem;
}

.globe-legend {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-top: 1.5rem;
  flex-wrap: wrap;
  justify-content: center;
}

.globe-legend-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
  margin-left: 0.75rem;
}

.globe-legend-dot:first-child {
  margin-left: 0;
}

.globe-legend-dot--founding {
  background: #fff;
  box-shadow: 0 0 8px rgba(255, 255, 255, 0.6);
}

.globe-legend-dot--chapter {
  background: var(--color-accent);
  box-shadow: 0 0 6px var(--color-accent-glow);
}

.globe-legend-dot--us {
  background: #6a9eb8;
  box-shadow: 0 0 6px rgba(106, 158, 184, 0.4);
}

.globe-legend-label {
  font-family: var(--font-ui);
  font-size: 0.72rem;
  color: var(--color-text-dim);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.globe-caption {
  font-family: var(--font-ui);
  font-size: 0.75rem;
  color: var(--color-text-dim);
  text-align: center;
  margin-top: 0.75rem;
  font-style: italic;
}

/* --- Pull Quotes --- */
.pull-quote {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-style: italic;
  line-height: 1.6;
  color: var(--color-text);
  padding: 2rem 0 2rem 2rem;
  border-left: 3px solid var(--color-accent);
  margin: 2rem 0;
  max-width: 680px;
}
.pull-quote--small {
  font-size: 1.1rem;
}

/* --- Moment Blocks (timeline events) --- */
.moment-block {
  display: grid;
  grid-template-columns: auto 1fr 380px;
  gap: 2.5rem;
  align-items: start;
  margin-bottom: 4rem;
  padding-bottom: 4rem;
  border-bottom: 1px solid var(--color-border-light);
}

.moment-block--reverse {
  grid-template-columns: auto 380px 1fr;
}

.moment-block--reverse .moment-content {
  order: 2;
}
.moment-block--reverse .moment-image {
  order: 1;
}

.moment-date {
  display: flex;
  flex-direction: column;
  align-items: center;
  font-family: var(--font-mono);
  color: var(--color-accent);
  min-width: 60px;
}
.moment-day {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.moment-year {
  font-size: 1.8rem;
  font-weight: 700;
  line-height: 1;
}

.moment-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

/* --- Archival Frame (image treatment) --- */
.archival-frame {
  position: relative;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  overflow: hidden;
}

.archival-frame img {
  width: 100%;
  filter: sepia(0.1) contrast(1.05);
  transition: filter 0.4s;
}

.archival-frame:hover img {
  filter: sepia(0) contrast(1.1);
}

.archival-caption {
  padding: 0.65rem 1rem;
  font-family: var(--font-ui);
  font-size: 0.75rem;
  color: var(--color-text-dim);
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
}

.archival-caption em {
  font-style: italic;
  color: var(--color-text-muted);
}

/* --- Yearbook Showcase --- */
.yearbook-showcase {
  margin-top: 2rem;
  margin-bottom: 4rem;
}

.yearbook-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-bottom: 3rem;
}

.yearbook-card {
  transition: transform 0.3s;
}
.yearbook-card:hover {
  transform: translateY(-4px);
}

.yearbook-analysis {
  max-width: 780px;
}

/* --- Dual Block --- */
.dual-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  margin-bottom: 4rem;
}

.ymca-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 1.5rem;
  margin-top: 1.5rem;
}

.ymca-card h5 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  margin-bottom: 0.35rem;
}

.ymca-card p {
  font-family: var(--font-ui);
  font-size: 0.85rem;
  color: var(--color-text-dim);
  margin-bottom: 1rem;
}

.ymca-card ul {
  list-style: none;
  padding: 0;
}

.ymca-card li {
  font-family: var(--font-ui);
  font-size: 0.88rem;
  color: var(--color-text-muted);
  padding: 0.35rem 0;
  border-bottom: 1px solid var(--color-border-light);
}
.ymca-card li:last-child {
  border-bottom: none;
}
.ymca-card li::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  background: var(--color-accent);
  border-radius: 50%;
  margin-right: 0.75rem;
  vertical-align: middle;
}

/* --- Decline Block --- */
.decline-block {
  padding: 3rem 0;
}

.decline-divider {
  text-align: center;
  margin-bottom: 2rem;
  position: relative;
}

.decline-divider::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--color-border);
}

.decline-divider span {
  position: relative;
  background: var(--color-bg);
  padding: 0 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--color-text-dim);
  letter-spacing: 0.05em;
}

/* --- Divider Section (between phases) --- */
.divider-section {
  position: relative;
  height: 60vh;
  min-height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.divider-bg {
  position: absolute;
  inset: 0;
}

.divider-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(0.5) contrast(1.1);
  opacity: 0.2;
}

.divider-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 0 2rem;
}

.divider-year {
  font-family: var(--font-display);
  font-size: clamp(5rem, 12vw, 10rem);
  font-weight: 900;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: 1.5rem;
  opacity: 0.9;
}

.divider-text {
  font-family: var(--font-body);
  font-size: 1.3rem;
  font-style: italic;
  color: var(--color-text-muted);
  max-width: 500px;
  margin: 0 auto;
  line-height: 1.6;
}

/* --- WSF Section --- */
.wsf-hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
  margin-bottom: 4rem;
}

.wsf-hero-image .archival-frame {
  transition: transform 0.3s;
}
.wsf-hero-image .archival-frame:hover {
  transform: translateY(-2px);
}

/* --- Funding Model --- */
.funding-model {
  margin-bottom: 4rem;
}

.funding-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 2rem;
  perspective: 800px;
}

.funding-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 2rem;
  transition: border-color 0.3s, transform 0.3s;
}
.funding-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-2px);
}

.funding-icon {
  width: 48px;
  height: 48px;
  color: var(--color-accent);
  margin-bottom: 1.25rem;
}

.funding-card h5 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  margin-bottom: 0.75rem;
}

.funding-card p {
  font-family: var(--font-ui);
  font-size: 0.88rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* --- Newspaper Strip --- */
.newspaper-strip {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-bottom: 4rem;
}

/* --- YMCA Timeline --- */
.ymca-evolution {
  margin-top: 2rem;
}

.ymca-timeline {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-top: 2rem;
  position: relative;
  padding-left: 2rem;
}

.ymca-timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--color-accent), var(--color-border));
}

.ymca-node {
  position: relative;
  padding: 1.25rem 0 1.25rem 2rem;
  border-bottom: 1px solid var(--color-border-light);
}
.ymca-node:last-child {
  border-bottom: none;
}

.ymca-node::before {
  content: '';
  position: absolute;
  left: -2rem;
  top: 1.6rem;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-accent);
  border: 2px solid var(--color-bg-warm);
  transform: translateX(-4px);
}

.ymca-year {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--color-accent);
  letter-spacing: 0.05em;
  margin-bottom: 0.35rem;
}

.ymca-node p {
  font-family: var(--font-ui);
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  max-width: 600px;
}

/* --- Institutionalization --- */
.inst-intro {
  margin-bottom: 3.5rem;
}

.inst-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-bottom: 3.5rem;
  perspective: 800px;
}

.inst-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 2rem;
  position: relative;
  overflow: hidden;
}

.inst-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(to right, var(--color-accent), transparent);
}

.inst-card-year {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--color-accent);
  margin-bottom: 0.75rem;
}

.inst-card h5 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  margin-bottom: 0.75rem;
}

.inst-card p {
  font-family: var(--font-ui);
  font-size: 0.88rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

.inst-images {
  margin-bottom: 3.5rem;
}

.inst-image-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.inst-parallel {
  max-width: 780px;
}

/* --- Legacy Section --- */
.legacy-model {
  margin-bottom: 4rem;
}

.evolution-visual {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  gap: 1rem;
  align-items: stretch;
  margin-top: 2rem;
}

.evo-phase {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 1.75rem;
  transition: border-color 0.3s;
}
.evo-phase:hover {
  border-color: var(--color-accent);
}

.evo-header {
  margin-bottom: 1.25rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--color-border-light);
}

.evo-years {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-accent);
  display: block;
  margin-bottom: 0.35rem;
}

.evo-header h5 {
  font-family: var(--font-display);
  font-size: 1.3rem;
}

.evo-list {
  list-style: none;
  padding: 0;
}

.evo-list li {
  font-family: var(--font-ui);
  font-size: 0.82rem;
  color: var(--color-text-muted);
  line-height: 1.5;
  padding: 0.3rem 0;
}

.evo-list li strong {
  color: var(--color-text);
}

.evo-arrow {
  display: flex;
  align-items: center;
  font-size: 1.5rem;
  color: var(--color-text-dim);
}

/* --- Theme Cards --- */
.legacy-themes {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-bottom: 4rem;
  perspective: 800px;
}

.theme-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 2rem;
}

.theme-card h5 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  margin-bottom: 1rem;
}

.theme-card p {
  font-family: var(--font-ui);
  font-size: 0.88rem;
  color: var(--color-text-muted);
  line-height: 1.65;
}

/* --- Questions --- */
.legacy-questions {
  margin-top: 3rem;
}

.legacy-questions .sub-heading {
  margin-bottom: 1.5rem;
}

.questions-list {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem 2.5rem;
  margin: 0;
}

.questions-list li {
  font-family: var(--font-body);
  font-style: italic;
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--color-text-muted);
  padding-left: 1.75rem;
  position: relative;
  transition: color 0.3s ease;
}

.questions-list li::before {
  content: '?';
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-weight: 700;
  font-size: 1.2rem;
  font-style: normal;
}

.questions-list li:hover {
  color: var(--color-text);
}

.questions-list li:hover::before {
  color: var(--color-accent-light);
}

@media (max-width: 768px) {
  .questions-list {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }
  
  .questions-list li {
    font-size: 1rem;
  }
}

/* --- Sources --- */
.sources-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
}

.source-category h5 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  margin-bottom: 1rem;
}

.source-category ul {
  list-style: none;
  padding: 0;
}

.source-category li {
  font-family: var(--font-ui);
  font-size: 0.9rem;
  color: var(--color-text-muted);
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--color-border-light);
}

/* --- Citations --- */
.mla-citations {
  list-style: none;
  padding: 0;
  counter-reset: citation;
  columns: 1;
}

.mla-citations li {
  counter-increment: citation;
  font-family: var(--font-ui);
  font-size: 0.85rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  padding: 0.75rem 0 0.75rem 3rem;
  border-bottom: 1px solid var(--color-border-light);
  position: relative;
  hanging-punctuation: none;
}

.mla-citations li::before {
  content: "[" counter(citation) "]";
  position: absolute;
  left: 0;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-accent);
  min-width: 2.5rem;
}

.mla-citations li em {
  font-style: italic;
  color: var(--color-text);
}

.mla-citations li a {
  word-break: break-all;
}

/* --- Footer --- */
#footer {
  padding: 4rem 0;
  border-top: 1px solid var(--color-border);
}

.footer-content {
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}

.footer-title {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.5rem;
  color: var(--color-accent);
  margin-bottom: 1rem;
}

.footer-desc {
  font-family: var(--font-ui);
  font-size: 0.88rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.footer-note {
  font-family: var(--font-ui);
  font-size: 0.78rem;
  color: var(--color-text-dim);
  font-style: italic;
}

/* --- Student Council Visualization --- */
.student-council-viz {
  margin: 3rem 0;
  padding: 2rem;
  background: var(--color-surface);
  border-radius: 8px;
  border: 1px solid var(--color-border);
}

.viz-header {
  text-align: center;
  margin-bottom: 2rem;
}

.viz-description {
  max-width: 700px;
  margin: 0.75rem auto 0;
  color: var(--color-text-muted);
  font-size: 0.9rem;
  line-height: 1.5;
}

.org-chart-container {
  margin: 2rem 0;
}

.org-chart-compact {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  max-width: 800px;
  margin: 0 auto;
}

.council-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.75rem;
  background: var(--color-surface);
}

.row-label {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  width: 200px;
  min-width: 200px;
  font-weight: 500;
}

.block-container {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  flex-wrap: wrap;
  flex: 1;
}

.member-block {
  width: 24px;
  height: 24px;
  border-radius: 4px;
  transition: all 0.3s ease;
  cursor: pointer;
}

.member-block:hover {
  transform: scale(1.2);
  box-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

.member-block.exec {
  background: var(--color-accent);
  box-shadow: 0 0 8px rgba(184, 157, 106, 0.4);
}

.member-block.senior {
  background: rgba(179, 163, 105, 0.7);
}

.member-block.junior {
  background: rgba(138, 186, 188, 0.7);
}

.member-block.sophomore {
  background: rgba(186, 138, 188, 0.7);
}

.member-block.freshman {
  background: rgba(138, 188, 161, 0.7);
}

.member-block.honorary {
  background: rgba(188, 161, 138, 0.7);
}

.member-block.international {
  background: var(--color-accent-light);
  border: 2px solid var(--color-accent);
  position: relative;
  box-shadow: 0 0 12px rgba(184, 157, 106, 0.6);
}

.member-block.highlighted {
  animation: pulse-glow 2s ease-in-out infinite;
}

.highlight-icon {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: var(--color-bg);
  font-size: 14px;
  font-weight: bold;
}

.member-block[data-tooltip]:hover::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-surface-raised);
  color: var(--color-text);
  padding: 0.5rem 0.75rem;
  border-radius: 4px;
  font-size: 0.75rem;
  white-space: nowrap;
  margin-bottom: 0.5rem;
  border: 1px solid var(--color-border);
  box-shadow: 0 4px 12px rgba(0,0,0,0.4);
  z-index: 10;
}

.count-label {
  font-size: 0.75rem;
  color: var(--color-text-dim);
  margin-left: 0.5rem;
  font-weight: 600;
}

.viz-legend {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border);
  font-size: 0.8rem;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--color-text-muted);
}

.legend-color {
  width: 16px;
  height: 16px;
  border-radius: 3px;
}

.legend-color.exec { background: var(--color-accent); }
.legend-color.senior { background: rgba(179, 163, 105, 0.7); }
.legend-color.junior { background: rgba(138, 186, 188, 0.7); }
.legend-color.sophomore { background: rgba(186, 138, 188, 0.7); }
.legend-color.freshman { background: rgba(138, 188, 161, 0.7); }
.legend-color.honorary { background: rgba(188, 161, 138, 0.7); }

@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 12px rgba(184, 157, 106, 0.6); }
  50% { box-shadow: 0 0 20px rgba(184, 157, 106, 0.9); }
}

@media (max-width: 768px) {
  .council-row {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .row-label {
    min-width: auto;
  }
  
  .student-council-viz {
    padding: 1.5rem;
  }
}

/* --- Animation prep classes --- */
.fade-up {
  opacity: 0;
  transform: translateY(40px);
}

/* Split character animation support */
.split-char {
  display: inline-block;
  will-change: transform, opacity;
}

.hero-title {
  perspective: 600px;
}

.hero-line {
  overflow: hidden;
}

/* --- Grain overlay for texture --- */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.03;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  background-repeat: repeat;
  background-size: 256px;
}