/* ============================================================
   ORACLE PREDICTION MARKETS — Design System
   Dark grey / White / Maroon (UChicago #800000)
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Sans:wght@300;400;500;600;700&family=IBM+Plex+Mono:wght@300;400;500&display=swap');

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body { overflow-x: hidden; }
img  { display: block; max-width: 100%; }

/* Phoenix logo overrides */
img.nav-logo-mark {
  background: transparent;
  object-fit: contain;
  padding: 3px;
}
img.footer-brand-mark {
  background: transparent;
  object-fit: contain;
  padding: 2px;
}
a    { text-decoration: none; color: inherit; }
ul   { list-style: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }

/* ── Design Tokens ── */
:root {
  /* Backgrounds */
  --bg-base:      #0d0d0d;
  --bg-primary:   #111111;
  --bg-secondary: #181818;
  --bg-card:      #1c1c1c;
  --bg-elevated:  #232323;
  --bg-hover:     #2a2a2a;

  /* Borders */
  --border:        #2a2a2a;
  --border-light:  #333333;
  --border-subtle: #1f1f1f;

  /* Text */
  --text-primary:   #f0f0f0;
  --text-secondary: #9a9a9a;
  --text-muted:     #5a5a5a;
  --text-dim:       #3d3d3d;

  /* Maroon palette */
  --maroon:        #8B0000;
  --maroon-bright: #A50000;
  --maroon-light:  #C41230;
  --maroon-dim:    rgba(139, 0, 0, 0.12);
  --maroon-glow:   rgba(139, 0, 0, 0.22);
  --maroon-border: rgba(139, 0, 0, 0.35);

  /* P&L colors */
  --positive:      #34d399;
  --positive-dim:  rgba(52, 211, 153, 0.1);
  --negative:      #f87171;
  --negative-dim:  rgba(248, 113, 113, 0.1);
  --neutral:       #6b7280;

  /* Typography */
  --font-sans:  'IBM Plex Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono:  'IBM Plex Mono', 'Fira Code', monospace;

  /* Spacing */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Border radius */
  --radius-sm:   4px;
  --radius-md:   8px;
  --radius-lg:   12px;
  --radius-xl:   16px;
  --radius-full: 9999px;

  /* Transitions */
  --ease-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --ease-base: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --ease-slow: 0.4s  cubic-bezier(0.4, 0, 0.2, 1);

  /* Layout */
  --max-width: 1280px;
  --nav-height: 64px;
}

/* ── Base ── */
body {
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-weight: 400;
  line-height: 1.6;
  min-height: 100vh;
  min-height: 100svh;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.025em;
  color: var(--text-primary);
}

h1 { font-size: clamp(2.25rem, 4.5vw, 3.5rem); }
h2 { font-size: clamp(1.75rem, 3vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.625rem); }
h4 { font-size: 1.125rem; }

p { color: var(--text-secondary); line-height: 1.75; }

/* ── Container ── */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-8);
}

/* ── Navigation ── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-height);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-8);
  background: rgba(13, 13, 13, 0.0);
  transition: background var(--ease-slow), border-bottom var(--ease-slow);
}

.nav.scrolled {
  background: rgba(13, 13, 13, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.nav-logo-mark {
  width: 32px;
  height: 32px;
  background: var(--maroon);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1rem;
  color: #fff;
  letter-spacing: 0;
  flex-shrink: 0;
  transition: background var(--ease-fast);
}


.nav-wordmark {
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-primary);
}

.nav-wordmark span {
  color: var(--text-muted);
  font-weight: 400;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.nav-links a {
  padding: var(--space-2) var(--space-4);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--text-secondary);
  border-radius: var(--radius-md);
  transition: color var(--ease-fast), background var(--ease-fast);
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--text-primary);
  background: var(--bg-elevated);
}

.nav-links a[aria-current="page"] {
  color: var(--maroon-light);
}

.nav-cta {
  padding: var(--space-2) var(--space-5);
  background: var(--maroon);
  color: #fff;
  border-radius: var(--radius-md);
  font-weight: 600;
  transition: background var(--ease-fast);
}
.nav-cta:hover { background: var(--maroon-bright); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-3);
  z-index: 201;
  min-width: 44px;
  min-height: 44px;
  align-items: center;
  justify-content: center;
}
.nav-toggle span {
  display: block; width: 22px; height: 2px;
  background: var(--text-primary); border-radius: 2px;
  transition: transform var(--ease-base), opacity var(--ease-base);
}

body.nav-open {
  overflow: hidden;
}

.home-page {
  display: flex;
  flex-direction: column;
}

.home-main {
  position: relative;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.home-main::after {
  content: '';
  position: absolute;
  top: 0; left: 50%; transform: translateX(-50%);
  width: min(1200px, 92vw);
  height: 100%;
  background: radial-gradient(ellipse at center 30%,
    rgba(139, 0, 0, 0.18) 0%,
    rgba(139, 0, 0, 0.1) 20%,
    rgba(139, 0, 0, 0.04) 40%,
    transparent 60%);
  pointer-events: none;
  z-index: 0;
}

/* ── Scroll-reveal ── */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.55s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.55s cubic-bezier(0.4, 0, 0.2, 1);
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-d1 { transition-delay: 0.08s; }
.reveal-d2 { transition-delay: 0.16s; }
.reveal-d3 { transition-delay: 0.24s; }
.reveal-d4 { transition-delay: 0.32s; }
.reveal-d5 { transition-delay: 0.40s; }

/* ── Utility ── */
.label {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--maroon-light);
}

.section-pad    { padding: var(--space-24) 0; }
.section-pad-lg { padding: 7rem 0; }
.section-pad-sm { padding: var(--space-16) 0; }

.divider {
  width: 36px; height: 2px;
  background: var(--maroon);
  margin: var(--space-4) 0;
}
.divider-center { margin-left: auto; margin-right: auto; }

section { position: relative; }

/* ── Buttons ── */
.btn {
  display: inline-flex; align-items: center; gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  border-radius: var(--radius-md);
  transition: transform var(--ease-fast), box-shadow var(--ease-fast),
              background var(--ease-fast), border-color var(--ease-fast);
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn-maroon {
  background: var(--maroon);
  color: #fff;
  box-shadow: 0 4px 16px rgba(139, 0, 0, 0.3);
}
.btn-maroon:hover {
  background: var(--maroon-bright);
  box-shadow: 0 8px 24px rgba(139, 0, 0, 0.4);
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-light);
}
.btn-outline:hover {
  border-color: var(--maroon-border);
  background: var(--maroon-dim);
  color: var(--text-primary);
}

.btn-ghost {
  background: var(--bg-elevated);
  color: var(--text-secondary);
}
.btn-ghost:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

/* ── Cards ── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: border-color var(--ease-base), box-shadow var(--ease-base),
              transform var(--ease-base);
}
.card:hover {
  border-color: var(--border-light);
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
}

/* ============================================================
   HOME — Hero
   ============================================================ */
.hero {
  display: flex;
  flex-direction: column;
  flex: 1;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--nav-height) var(--space-8) var(--space-16);
  position: relative;
  overflow-x: clip;
}

/* Subtle grid background */
.hero::before {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(139,0,0,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(139,0,0,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 50%, black 30%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 50%, black 30%, transparent 100%);
  pointer-events: none;
}

/* Radial glow now on .home-main::after */

.hero-eyebrow {
  display: flex; align-items: center; gap: var(--space-3);
  margin-bottom: var(--space-6);
}

.live-badge {
  display: flex; align-items: center; gap: 6px;
  padding: 4px 10px;
  background: var(--maroon-dim);
  border: 1px solid var(--maroon-border);
  border-radius: var(--radius-full);
  font-size: 0.7rem; font-weight: 600;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--maroon-light);
}
.live-dot {
  width: 6px; height: 6px;
  background: var(--maroon-light);
  border-radius: 50%;
  animation: pulse-dot 1.8s ease-in-out infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.5; transform: scale(0.75); }
}

.hero-title {
  font-family: var(--font-sans);
  font-size: clamp(0.75rem, 1.5vw, 0.875rem);
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.hero-headline {
  font-size: clamp(3rem, 6vw, 5rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-3);
  color: var(--text-primary);
}

.hero-subtitle {
  font-size: clamp(0.85rem, 1.5vw, 1rem);
  color: var(--text-muted);
  margin-bottom: var(--space-10);
  letter-spacing: 0.02em;
}

.hero-sub {
  font-size: clamp(0.9rem, 1.5vw, 1.0625rem);
  color: var(--text-secondary);
  max-width: 52ch;
  margin: 0 auto var(--space-12);
}

/* ============================================================
   LIVE TRACKER — NBIM-Style
   ============================================================ */
.tracker-section {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  position: relative; z-index: 1;
}

/* Top meta row */
.tracker-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-4);
}

.tracker-meta-label {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.tracker-timestamp {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.tracker-timestamp::before {
  content: '';
  width: 6px; height: 6px;
  background: var(--positive);
  border-radius: 50%;
  animation: pulse-dot 1.8s ease-in-out infinite;
}

/* Main AUM display */
.aum-display {
  margin-bottom: var(--space-6);
}

.aum-value {
  font-family: var(--font-sans);
  font-size: clamp(5rem, 12vw, 10.5rem);
  font-weight: 300;
  letter-spacing: -0.04em;
  color: var(--text-primary);
  line-height: 1;
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: var(--space-2);
}

.aum-currency {
  font-size: 0.22em;
  font-weight: 400;
  color: var(--text-muted);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-left: var(--space-2);
  align-self: flex-end;
  margin-bottom: 0.18em;
}

.aum-number { transition: color 0.3s ease; }

.aum-change-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-5);
  margin-top: var(--space-3);
}

.aum-change {
  display: flex; align-items: center; gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: 1.125rem;
  font-weight: 500;
}
.aum-change.positive { color: var(--positive); }
.aum-change.negative { color: var(--negative); }

.aum-change-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 400;
}

.change-arrow {
  font-size: 0.875rem;
  transition: transform 0.3s ease;
}

/* Chart */
.tracker-chart-wrap {
  position: relative;
  height: 260px;
  margin-bottom: var(--space-6);
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  padding: var(--space-4);
}

.chart-inner {
  width: 100%;
  height: 100%;
}

/* Timeframe tabs */
.chart-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-3);
}

.timeframe-tabs {
  display: flex;
  gap: var(--space-1);
}

.timeframe-btn {
  padding: 4px 10px;
  font-size: 0.75rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  background: transparent;
  border: 1px solid transparent;
  transition: all var(--ease-fast);
}
.timeframe-btn.active,
.timeframe-btn:hover {
  background: var(--bg-elevated);
  color: var(--text-primary);
  border-color: var(--border-light);
}
.timeframe-btn.active { color: var(--maroon-light); border-color: var(--maroon-border); }

/* Stat metrics grid */
.tracker-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
}

.stat-box {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-5) var(--space-5);
  transition: border-color var(--ease-fast);
}
.stat-box:hover { border-color: var(--maroon-border); }

.stat-box-label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: var(--space-2);
}

.stat-box-value {
  font-family: var(--font-mono);
  font-size: 1.375rem;
  font-weight: 500;
  color: var(--text-primary);
  line-height: 1;
  margin-bottom: var(--space-1);
}

.stat-box-sub {
  font-size: 0.7rem;
  color: var(--text-muted);
}
.stat-box-sub.positive { color: var(--positive); }
.stat-box-sub.negative { color: var(--negative); }

/* ============================================================
   SPONSORS
   ============================================================ */
.sponsors {
}

.home-sponsors {
  padding: var(--space-10) 0 var(--space-10);
  margin-top: 0;
  background: transparent;
  position: relative;
  z-index: 1;
}

.home-featured {
  padding: var(--space-8) 0 var(--space-10);
  background: transparent;
  position: relative;
  z-index: 1;
}

.sponsors-label {
  text-align: center;
  margin-bottom: var(--space-8);
}

.sponsors-grid {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-12);
  flex-wrap: wrap;
}

.sponsor-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  opacity: 0.55;
  transition: opacity var(--ease-base);
  filter: grayscale(1) brightness(1.5);
}
.sponsor-item:hover {
  opacity: 1;
  filter: grayscale(0);
}

.sponsor-logo {
  height: 32px;
  width: auto;
  max-width: 160px;
  object-fit: contain;
}

.sponsor-text {
  font-family: var(--font-sans);
  font-size: 1.375rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--text-primary);
  white-space: nowrap;
}

/* ============================================================
   PAGE HERO (sub-pages)
   ============================================================ */
.page-hero {
  padding: calc(var(--nav-height) + var(--space-16)) var(--space-8) var(--space-16);
  background: var(--bg-primary);
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--border-subtle);
}

.page-hero::before {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(139,0,0,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(139,0,0,0.04) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(ellipse 70% 80% at 0% 50%, black 0%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 70% 80% at 0% 50%, black 0%, transparent 100%);
  pointer-events: none;
}

.page-hero-inner {
  max-width: 700px;
  position: relative;
}

.page-hero .label { margin-bottom: var(--space-4); }
.page-hero h1 { margin-bottom: var(--space-5); }
.page-hero p { font-size: 1.0625rem; max-width: 55ch; }

/* ============================================================
   ABOUT PAGE
   ============================================================ */
.about-intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: start;
}

.about-stat-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
  margin-top: var(--space-10);
}

.about-stat {
  padding: var(--space-6);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.about-stat-number {
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: var(--space-1);
}

.about-stat-number span {
  font-size: 1.25rem;
  color: var(--maroon-light);
}

.about-stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 500;
  letter-spacing: 0.04em;
}

/* Pillars */
.pillars-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
}

.pillars-grid-two {
  grid-template-columns: repeat(2, 1fr);
}

.pillar-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition: border-color var(--ease-base), transform var(--ease-base);
}
.pillar-card:hover {
  border-color: var(--maroon-border);
  transform: translateY(-2px);
}

.pillar-number {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--maroon);
  letter-spacing: 0.12em;
  margin-bottom: var(--space-4);
}

.pillar-title {
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-3);
}

.pillar-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* Curriculum */
.curriculum-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-5);
}

.cta-actions {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  flex-wrap: wrap;
}

.curriculum-item {
  display: flex;
  gap: var(--space-4);
  padding: var(--space-5);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.curriculum-icon {
  width: 36px; height: 36px; flex-shrink: 0;
  background: var(--maroon-dim);
  border: 1px solid var(--maroon-border);
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  color: var(--maroon-light);
  font-size: 1rem;
}

.curriculum-text h4 {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-1);
}

.curriculum-text p {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ============================================================
   TEAM PAGE
   ============================================================ */
.team-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
}

.members-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}

.team-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: border-color var(--ease-base), transform var(--ease-base), box-shadow var(--ease-base);
}
.team-card:hover {
  border-color: var(--maroon-border);
  transform: translateY(-3px);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.5);
}

.team-card-header {
  padding: var(--space-8) var(--space-8) var(--space-5);
  display: flex;
  align-items: flex-start;
  gap: var(--space-5);
  border-bottom: 1px solid var(--border);
}

.team-card-header--stacked {
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-4);
}

.team-avatar {
  width: 64px; height: 64px; flex-shrink: 0;
  background: linear-gradient(135deg, var(--maroon) 0%, var(--bg-elevated) 100%);
  border-radius: var(--radius-lg);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-sans);
  font-size: 1.25rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.02em;
}

.team-name {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-1);
  letter-spacing: -0.02em;
}

.team-role {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--maroon-light);
  margin-bottom: var(--space-2);
}

.team-school {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.team-card-body {
  padding: var(--space-5) var(--space-8) var(--space-8);
}

.team-bio {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.72;
}

.team-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-4);
}

.tag {
  padding: 4px 10px;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: var(--bg-elevated);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-full);
  color: var(--text-muted);
}

.tag-maroon {
  background: var(--maroon-dim);
  border-color: var(--maroon-border);
  color: var(--maroon-light);
}

/* Founding badge */
.founding-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 8px;
  background: var(--maroon-dim);
  border: 1px solid var(--maroon-border);
  border-radius: var(--radius-full);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--maroon-light);
  margin-left: var(--space-2);
  vertical-align: middle;
}

/* ============================================================
   RESEARCH PAGE
   ============================================================ */
.research-intro {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--space-16);
  align-items: start;
}

.research-paper-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition: border-color var(--ease-base), transform var(--ease-base);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.research-paper-card:hover {
  border-color: var(--maroon-border);
  transform: translateY(-2px);
}

.paper-type {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 8px;
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  width: fit-content;
}
.paper-type-research {
  background: var(--maroon-dim);
  border: 1px solid var(--maroon-border);
  color: var(--maroon-light);
}
.paper-type-analysis {
  background: rgba(52, 211, 153, 0.08);
  border: 1px solid rgba(52, 211, 153, 0.2);
  color: var(--positive);
}
.paper-type-model {
  background: rgba(96, 165, 250, 0.08);
  border: 1px solid rgba(96, 165, 250, 0.2);
  color: #60a5fa;
}

.paper-title {
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.35;
}

.paper-excerpt {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.paper-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: var(--space-2);
}

.paper-author {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.paper-date {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
}

.research-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-5);
}

.research-hero-section {
  background: var(--bg-primary);
  padding-top: calc(var(--space-16) + 4rem);
}

.methodology-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
}

.research-focus-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition: border-color var(--ease-base);
}
.research-focus-card:hover { border-color: var(--maroon-border); }

.focus-icon {
  width: 40px; height: 40px;
  background: var(--maroon-dim);
  border: 1px solid var(--maroon-border);
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  color: var(--maroon-light);
  font-size: 1.1rem;
  margin-bottom: var(--space-4);
}

.focus-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.focus-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* Sidebar stats */
.sidebar-stat {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  margin-bottom: var(--space-4);
}
.sidebar-stat:last-child { margin-bottom: 0; }

.sidebar-stat-value {
  font-family: var(--font-mono);
  font-size: 1.75rem;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: var(--space-1);
}

.sidebar-stat-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--bg-base);
  border-top: 1px solid var(--border-subtle);
  padding: var(--space-12) 0 var(--space-8);
  position: relative; z-index: 1;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.8fr 1fr 1fr 1fr;
  gap: var(--space-12);
  padding-bottom: var(--space-10);
}

.footer-brand {
  display: flex; align-items: center;
  gap: var(--space-3); margin-bottom: var(--space-4);
}

.footer-brand-mark {
  width: 28px; height: 28px;
  background: var(--maroon);
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-serif);
  font-weight: 700; font-size: 0.875rem;
  color: #fff;
}

.footer-brand-name {
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-primary);
}

.footer-desc {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.65;
  max-width: 28ch;
}

.footer-col h5 {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: var(--space-4);
}

.footer-col ul { display: flex; flex-direction: column; gap: var(--space-3); }
.footer-col a { font-size: 0.875rem; color: var(--text-muted); transition: color var(--ease-fast); }
.footer-col a:hover { color: var(--text-primary); }

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-6);
  flex-wrap: wrap; gap: var(--space-4);
}

.footer-copy {
  font-size: 0.775rem;
  color: var(--text-muted);
}

.footer-social {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.social-link {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 0.775rem;
  color: var(--text-muted);
  transition: color var(--ease-fast);
}
.social-link:hover { color: var(--text-primary); }

/* Maroon accent top bar on page */
.accent-bar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--maroon) 0%, var(--maroon-light) 50%, var(--maroon) 100%);
  z-index: 300;
}

.home-join {
  background: transparent;
}

.home-join-inner {
  padding-top: var(--space-12);
  padding-bottom: var(--space-12);
}

.home-join-grid {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--space-8);
  align-items: center;
  max-width: 800px;
  margin: 0 auto;
}

.home-join-actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  flex-shrink: 0;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .tracker-stats { grid-template-columns: repeat(2, 1fr); }
  .about-intro-grid { grid-template-columns: 1fr; gap: var(--space-10); }
  .research-intro { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: var(--space-8); }
  .members-grid { grid-template-columns: repeat(2, 1fr); }
  .methodology-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  :root {
    --space-24: 4rem;
    --space-16: 3rem;
    --nav-height: 72px;
  }
  .container { padding: 0 var(--space-5); }
  .nav { padding: 0 var(--space-5); }
  .nav.scrolled {
    background: rgba(13, 13, 13, 0.96);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-subtle);
  }
  .nav.menu-open {
    background: rgba(13, 13, 13, 0.96);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    border-bottom: 1px solid var(--border-subtle);
  }
  .nav-links {
    position: fixed;
    inset: 0;
    padding: calc(var(--nav-height) + var(--space-8) + env(safe-area-inset-top, 0px)) var(--space-5) calc(var(--space-8) + env(safe-area-inset-bottom, 0px));
    background: rgba(8, 8, 8, 0.98);
    backdrop-filter: blur(22px);
    -webkit-backdrop-filter: blur(22px);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-4);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.2s ease;
    overflow-y: auto;
    z-index: 199;
  }
  .nav-links.open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }
  .nav-links li {
    width: min(100%, 24rem);
  }
  .nav-links a {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    min-height: 3.75rem;
    font-size: 1.125rem;
    font-weight: 600;
    letter-spacing: 0.03em;
    padding: var(--space-5) var(--space-6);
    border: 1px solid var(--border);
    background: rgba(24, 24, 24, 0.92);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.03);
  }
  .nav-links a[aria-current="page"] {
    border-color: var(--maroon-border);
    background: rgba(139, 0, 0, 0.18);
  }
  .nav-toggle { display: flex; }
  .nav-cta {
    background: rgba(139, 0, 0, 0.25);
    border-color: var(--maroon-border);
    color: var(--maroon-light);
  }
  .nav-cta:hover {
    background: rgba(139, 0, 0, 0.35);
  }
  .team-grid { grid-template-columns: 1fr; }
  .pillars-grid { grid-template-columns: 1fr; }
  .curriculum-grid { grid-template-columns: 1fr; }
  .about-stat-row { grid-template-columns: 1fr; }
  .research-grid { grid-template-columns: 1fr; }
  .methodology-grid { grid-template-columns: 1fr; }
  .members-grid { grid-template-columns: 1fr; }
  .tracker-stats { grid-template-columns: repeat(2, 1fr); }
  .aum-value { font-size: clamp(3rem, 12vw, 4.5rem); }
  .footer-grid { grid-template-columns: 1fr; gap: var(--space-6); }
  .footer-bottom { flex-direction: column; text-align: center; }
  .sponsors-grid { gap: var(--space-8); }
  .home-join-grid {
    grid-template-columns: 1fr;
    gap: var(--space-6);
    text-align: center;
  }
  .home-join-actions {
    width: 100%;
    align-items: stretch;
  }
}

@media (min-width: 769px) {
  .home-sponsors {
    padding: var(--space-12) 0;
  }
  .home-featured {
    padding: var(--space-10) 0 var(--space-12);
  }
  .home-join-inner {
    padding-top: var(--space-12);
    padding-bottom: var(--space-12);
  }
  .home-join-grid {
    gap: var(--space-8);
  }
}

@media (max-width: 480px) {
  .tracker-stats { grid-template-columns: repeat(2, 1fr); }
  .aum-change-row { flex-wrap: wrap; }
  .page-hero { padding: calc(var(--nav-height) + var(--space-10)) var(--space-5) var(--space-10); }
  .home-sponsors {
    padding: var(--space-8) 0;
  }
  .home-featured {
    padding: var(--space-6) 0 var(--space-8);
  }
  .nav-links {
    padding-top: calc(var(--nav-height) + var(--space-6) + env(safe-area-inset-top, 0px));
    justify-content: flex-start;
  }
  .nav-links li {
    width: 100%;
  }
  .nav-links a {
    min-height: 3.5rem;
    font-size: 1rem;
  }
  .team-card-header {
    flex-direction: column;
    align-items: flex-start;
  }
  .cta-actions .btn,
  .home-join-actions .btn {
    width: 100%;
    justify-content: center;
  }
}