/* ── Aethra shared stylesheet ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:     #f5f0e8;
  --card:   #ede8dc;
  --border: #d8d0be;
  --text:   #1a1207;
  --muted:  #7a6e5a;
  --dim:    #c0b89e;
  --a: #e03030;
  --b: #d96b00;
  --c: #b89200;
  --d: #1a8a3c;
  --e: #0077cc;
  --f: #7c2db8;
}

html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Spectral', Georgia, serif;
  font-size: 17px;
  line-height: 1.7;
  overflow-x: hidden;
}

/* ── top nav ── */
#topnav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 998;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 32px;
  height: 56px;
  background: rgba(245,240,232,.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}
.topnav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}
.topnav-brand img {
  width: 36px; height: 36px;
  object-fit: contain;
}
.topnav-brand span {
  font-family: 'Press Start 2P', monospace;
  font-size: 11px;
  color: var(--text);
  letter-spacing: 2px;
}
.topnav-links {
  display: flex;
  gap: 28px;
  align-items: center;
}
.topnav-links a {
  font-family: 'DM Mono', monospace;
  font-size: 11px;
  color: var(--muted);
  text-decoration: none;
  letter-spacing: 0.5px;
  transition: color .18s;
}
.topnav-links a:hover,
.topnav-links a.active { color: var(--text); }
.topnav-cta {
  font-family: 'Press Start 2P', monospace !important;
  font-size: 8px !important;
  background: var(--e);
  color: var(--bg) !important;
  padding: 8px 16px;
  border-radius: 3px;
  letter-spacing: 1px;
}
.topnav-cta:hover { opacity: .85; }

/* ── side dot nav (homepage only) ── */
#sidenav {
  position: fixed;
  right: 28px; top: 50%;
  transform: translateY(-50%);
  z-index: 999;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.sdot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--dim);
  cursor: pointer;
  transition: background .25s, transform .25s;
}
.sdot.on { background: var(--text); transform: scale(1.5); }

/* ── hero ── */
#hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 36px;
  padding: 112px 24px 80px;
  text-align: center;
}

.live-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(26,18,7,.04);
  border: 1px solid rgba(26,18,7,.12);
  border-radius: 2px;
  padding: 8px 20px;
  font-size: 10px;
  letter-spacing: 2px;
  color: var(--muted);
  text-transform: uppercase;
  text-decoration: none;
}
.live-dot {
  width: 5px; height: 5px;
  border-radius: 50%;
  background: #4ade80;
  box-shadow: 0 0 0 3px rgba(74,222,128,.15);
  animation: blink 2s ease-in-out infinite;
}
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:.45} }

.hero-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 52px 80px;
  position: relative;
  width: 100%;
  max-width: 580px;
}
.hero-card-num {
  font-family: 'Press Start 2P', monospace;
  font-size: clamp(32px, 6vw, 60px);
  color: var(--text);
  display: block;
  margin-bottom: 16px;
  letter-spacing: 2px;
}
.hero-card-label {
  font-family: 'Press Start 2P', monospace;
  font-size: 10px;
  color: var(--e);
  letter-spacing: 3px;
}

/* ── minecraft steve ── */
#steve-wrap {
  position: fixed;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  cursor: grab;
  user-select: none;
  touch-action: none;
  z-index: 888;
  transition: left .05s linear, top .05s linear;
}
#steve-wrap.dragging { cursor: grabbing; transition: none; }
.steve-bubble {
  background: var(--text);
  border: 2px solid var(--muted);
  padding: 5px 10px;
  font-family: 'Press Start 2P', monospace;
  font-size: 6px;
  color: var(--bg);
  line-height: 1.8;
  text-align: center;
  position: relative;
  white-space: nowrap;
  image-rendering: pixelated;
}
.steve-bubble::after {
  content: '';
  position: absolute;
  bottom: -10px; left: 50%;
  transform: translateX(-50%);
  border-left: 6px solid transparent;
  border-right: 6px solid transparent;
  border-top: 10px solid var(--muted);
}
.steve-bubble::before {
  content: '';
  position: absolute;
  bottom: -8px; left: 50%;
  transform: translateX(-50%);
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-top: 8px solid var(--text);
  z-index: 1;
}
.steve-bubble .drag-hint { color: var(--c); display: block; margin-top: 2px; }
#steve-svg { image-rendering: pixelated; display: block; }
.steve-shadow {
  width: 24px; height: 4px;
  background: radial-gradient(ellipse, rgba(26,18,7,.15) 0%, transparent 70%);
  border-radius: 50%;
  animation: steve-shadow 4s ease-in-out infinite;
}
@keyframes steve-shadow {
  0%,100% { transform: scaleX(1); opacity:.5; }
  50%      { transform: scaleX(.45); opacity:.1; }
}

/* ── hero starfield ── */
#star-canvas {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}
#hero > *:not(#star-canvas) { position: relative; z-index: 1; }

/* ── pixel logo ── */
.logo-row {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  line-height: 1;
}
.ll {
  font-family: 'Press Start 2P', monospace;
  font-size: clamp(30px, 6vw, 64px);
  letter-spacing: 2px;
  text-shadow: 3px 3px 0 rgba(26,18,7,.15);
}
.ll:nth-child(1){color:var(--a)}
.ll:nth-child(2){color:var(--b)}
.ll:nth-child(3){color:var(--c)}
.ll:nth-child(4){color:var(--d)}
.ll:nth-child(5){color:var(--e)}
.ll:nth-child(6){color:var(--f)}

.tagline {
  font-family: 'Press Start 2P', monospace;
  font-size: clamp(7px, 1.4vw, 10px);
  color: var(--muted);
  letter-spacing: 1px;
  line-height: 2.2;
}
.tagline .hi { color: var(--c); }

.hero-meta {
  font-family: 'DM Mono', monospace;
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 0.5px;
}
.hero-meta b { color: var(--text); font-weight: 400; }

.pill-nav {
  display: flex;
  gap: 4px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 8px 16px;
  flex-wrap: wrap;
  justify-content: center;
}
.pill-nav a {
  font-family: 'Press Start 2P', monospace;
  font-size: 8px;
  color: var(--muted);
  text-decoration: none;
  padding: 4px 10px;
  border-radius: 3px;
  transition: color .2s, background .2s;
  letter-spacing: 1px;
}
.pill-nav a:hover { color: var(--text); background: var(--border); }

/* ── stats strip ── */
#stats {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}
.stat-cell {
  padding: 40px 36px;
  border-right: 1px solid var(--border);
}
.stat-cell:last-child { border-right: none; }
.sn {
  font-family: 'Press Start 2P', monospace;
  font-size: clamp(14px, 2vw, 22px);
  color: var(--text);
  display: block;
  margin-bottom: 12px;
}
.sl {
  font-family: 'DM Mono', monospace;
  font-size: 10px;
  color: var(--muted);
  letter-spacing: 1.5px;
  text-transform: uppercase;
}

/* ── shared section ── */
.sec {
  border-top: 1px solid var(--border);
  max-width: 1100px;
  margin: 0 auto;
  padding: 88px 52px;
}
.sec-tag {
  font-family: 'Press Start 2P', monospace;
  font-size: 9px;
  color: var(--muted);
  letter-spacing: 3px;
  margin-bottom: 48px;
}
.sec-tag::before { content: '// '; color: var(--dim); }

/* ── page hero (inner pages) ── */
.page-hero {
  padding: 140px 52px 80px;
  max-width: 1100px;
  margin: 0 auto;
}
.page-eyebrow {
  font-family: 'DM Mono', monospace;
  font-size: 11px;
  letter-spacing: 3px;
  color: var(--muted);
  text-transform: uppercase;
  margin-bottom: 24px;
}
.page-title {
  font-family: 'Press Start 2P', monospace;
  font-size: clamp(16px, 3vw, 28px);
  color: var(--text);
  line-height: 1.9;
  margin-bottom: 24px;
}
.page-intro {
  font-size: 16px;
  color: var(--muted);
  line-height: 1.9;
  max-width: 640px;
}

/* ── moonshot featured card ── */
#moonshot { border-top: 1px solid var(--border); }
.moonshot-card {
  border: 1px solid rgba(0,119,204,.2);
  border-radius: 3px;
  background: linear-gradient(135deg, rgba(0,119,204,.05) 0%, rgba(124,45,184,.05) 100%);
  padding: 48px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 48px;
  align-items: start;
}
.ms-eyebrow {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--e);
  margin-bottom: 12px;
}
.ms-name {
  font-family: 'Press Start 2P', monospace;
  font-size: clamp(14px, 2.5vw, 22px);
  color: var(--text);
  line-height: 1.8;
  margin-bottom: 20px;
}
.ms-desc {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.9;
  max-width: 520px;
  margin-bottom: 28px;
}
.ms-link {
  font-family: 'Press Start 2P', monospace;
  font-size: 9px;
  color: var(--bg);
  background: var(--e);
  padding: 12px 22px;
  border-radius: 3px;
  text-decoration: none;
  letter-spacing: 1px;
  display: inline-block;
  transition: opacity .2s;
}
.ms-link:hover { opacity: .8; }
.ms-stats { display: flex; flex-direction: column; gap: 24px; text-align: right; }
.ms-stat-num {
  font-family: 'Press Start 2P', monospace;
  font-size: clamp(18px, 2.5vw, 28px);
  color: var(--c);
  display: block;
  margin-bottom: 4px;
}
.ms-stat-label { font-size: 10px; color: var(--muted); text-transform: uppercase; letter-spacing: 1.5px; }
.ms-sponsors { margin-top: 28px; }
.ms-sponsors-label { font-size: 10px; color: var(--dim); text-transform: uppercase; letter-spacing: 2px; margin-bottom: 10px; }
.ms-chips { display: flex; gap: 8px; flex-wrap: wrap; }
.ms-chip {
  border: 1px solid var(--border);
  padding: 5px 12px;
  border-radius: 2px;
  font-size: 11px;
  color: var(--muted);
}

/* ── events list ── */
.event-item {
  display: grid;
  grid-template-columns: 36px 1fr 100px 120px 120px;
  align-items: center;
  gap: 20px;
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
  transition: background .15s;
}
.event-item:first-of-type { border-top: 1px solid var(--border); }
.event-item:hover { background: rgba(26,18,7,.04); margin: 0 -8px; padding: 20px 8px; }
.ei-num { font-size: 11px; color: var(--dim); }
.ei-name {
  font-family: 'Press Start 2P', monospace;
  font-size: 11px;
  color: var(--text);
  margin-bottom: 6px;
}
.ei-sub { font-size: 11px; color: var(--muted); }
.ei-count { font-size: 13px; color: var(--text); text-align: right; }
.ei-count small { display: block; font-size: 9px; color: var(--dim); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 3px; }
.ei-prize { font-size: 13px; color: var(--text); text-align: right; }
.ei-prize small { display: block; font-size: 9px; color: var(--dim); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 3px; }
.ei-link a {
  font-size: 10px;
  color: var(--e);
  text-decoration: none;
  border: 1px solid rgba(0,119,204,.2);
  padding: 5px 10px;
  border-radius: 2px;
  white-space: nowrap;
  transition: border-color .2s, color .2s;
}
.ei-link a:hover { border-color: var(--e); }

/* ── prizes ── */
.prize-grid {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 2px;
  overflow: hidden;
  margin-bottom: 40px;
}
.pg-cell { background: var(--card); padding: 32px 28px; }
.pg-label { font-size: 9px; text-transform: uppercase; letter-spacing: 2.5px; color: var(--muted); margin-bottom: 14px; }
.pg-num { font-family: 'Press Start 2P', monospace; font-size: clamp(13px, 1.8vw, 20px); color: var(--c); margin-bottom: 8px; }
.pg-sub { font-size: 11px; color: var(--muted); }
.prize-rows { margin-bottom: 40px; }
.pr-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
}
.pr-row:first-child { border-top: 1px solid var(--border); }
.pr-place { color: var(--muted); }
.pr-val { color: var(--text); }
.sponsors-label { font-size: 9px; text-transform: uppercase; letter-spacing: 2.5px; color: var(--muted); margin-bottom: 14px; }
.sponsor-tags { display: flex; gap: 8px; flex-wrap: wrap; }
.stag {
  border: 1px solid var(--border);
  padding: 7px 14px;
  border-radius: 2px;
  font-size: 11px;
  color: var(--muted);
  transition: color .2s, border-color .2s;
}
.stag:hover { color: var(--text); border-color: var(--muted); }

/* ── pillar cards ── */
.pillar-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 0;
}
.pillar-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 36px 32px;
  text-decoration: none;
  display: block;
  position: relative;
  overflow: hidden;
  transition: border-color .2s, transform .2s;
}
.pillar-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
}
.pillar-card.p-research::before { background: linear-gradient(90deg, var(--e), var(--f)); }
.pillar-card.p-labs::before    { background: linear-gradient(90deg, var(--d), var(--e)); }
.pillar-card.p-community::before { background: linear-gradient(90deg, var(--b), var(--a)); }
.pillar-card:hover { border-color: rgba(26,18,7,.12); transform: translateY(-2px); }
.pillar-type {
  font-family: 'DM Mono', monospace;
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 2.5px;
  margin-bottom: 16px;
}
.pillar-card.p-research .pillar-type { color: var(--e); }
.pillar-card.p-labs .pillar-type     { color: var(--d); }
.pillar-card.p-community .pillar-type { color: var(--b); }
.pillar-name {
  font-family: 'Press Start 2P', monospace;
  font-size: clamp(9px, 1.2vw, 12px);
  color: var(--text);
  line-height: 1.8;
  margin-bottom: 14px;
}
.pillar-desc { font-size: 12px; color: var(--muted); line-height: 1.8; margin-bottom: 20px; }
.pillar-status {
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  padding: 4px 10px;
  border-radius: 3px;
  display: inline-block;
}
.p-research .pillar-status { background: rgba(0,119,204,.08); color: var(--e); border: 1px solid rgba(0,119,204,.2); }
.p-labs .pillar-status     { background: rgba(26,138,60,.06); color: var(--d); border: 1px solid rgba(26,138,60,.2); }
.p-community .pillar-status { background: rgba(217,107,0,.06); color: var(--b); border: 1px solid rgba(217,107,0,.2); }

/* ── learn cards (programs grid) ── */
.learn-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}
.learn-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 28px;
  text-decoration: none;
  display: block;
  transition: border-color .2s, transform .2s;
  position: relative;
  overflow: hidden;
}
.learn-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0,119,204,.25), transparent);
  opacity: 0;
  transition: opacity .3s;
}
.learn-card:hover { border-color: rgba(26,18,7,.1); transform: translateY(-2px); }
.learn-card:hover::before { opacity: 1; }
.learn-type {
  font-family: 'DM Mono', monospace;
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 2.5px;
  color: var(--e);
  margin-bottom: 14px;
}
.learn-title {
  font-family: 'Press Start 2P', monospace;
  font-size: 10px;
  color: var(--text);
  line-height: 1.8;
  margin-bottom: 12px;
}
.learn-desc { font-size: 12px; color: var(--muted); line-height: 1.8; margin-bottom: 20px; }
.learn-arrow { font-size: 11px; color: var(--muted); }
.learn-card:hover .learn-arrow { color: var(--e); }
.learn-soon { pointer-events: none; opacity: .55; }
.learn-soon:hover { transform: none; border-color: var(--border); }
.learn-soon:hover::before { opacity: 0; }
.learn-tag {
  display: inline-block;
  font-size: 9px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  border: 1px solid var(--border);
  padding: 4px 10px;
  border-radius: 3px;
  color: var(--dim);
}

/* ── team ── */
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
}
.team-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 28px;
  transition: border-color .2s;
}
.team-card:hover { border-color: rgba(26,18,7,.15); }
.team-avatar {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--dim);
  margin-bottom: 16px;
  font-size: 20px;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--border);
}
.team-name {
  font-family: 'Press Start 2P', monospace;
  font-size: 10px;
  color: var(--text);
  margin-bottom: 8px;
  line-height: 1.7;
}
.team-role { font-size: 11px; color: var(--muted); }

/* ── roadmap ── */
.roadmap-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.phase-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 36px 32px;
  position: relative;
  overflow: hidden;
  transition: border-color .2s;
}
.phase-card:hover { border-color: rgba(26,18,7,.1); }
.phase-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
}
.phase-card.p1::before { background: linear-gradient(90deg, var(--e), var(--f)); }
.phase-card.p2::before { background: linear-gradient(90deg, var(--d), var(--e)); }
.phase-num {
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--muted);
  margin-bottom: 16px;
}
.phase-title {
  font-family: 'Press Start 2P', monospace;
  font-size: clamp(10px, 1.5vw, 13px);
  color: var(--text);
  line-height: 1.9;
  margin-bottom: 20px;
}
.phase-items { list-style: none; }
.phase-items li {
  font-size: 12px;
  color: var(--muted);
  padding: 9px 0;
  border-bottom: 1px solid var(--border);
  line-height: 1.7;
  display: flex;
  gap: 10px;
  align-items: flex-start;
}
.phase-items li:last-child { border-bottom: none; }
.phase-items li::before { content: '→'; color: var(--dim); flex-shrink: 0; margin-top: 1px; }
.phase-items li b { color: var(--text); font-weight: 400; }
.phase-status {
  display: inline-block;
  margin-top: 20px;
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 2px;
  padding: 5px 12px;
  border-radius: 3px;
}
.phase-card.p1 .phase-status { background: rgba(0,119,204,.08); color: var(--e); border: 1px solid rgba(0,119,204,.2); }
.phase-card.p2 .phase-status { background: rgba(57,255,110,.05); color: #4ade80; border: 1px solid rgba(57,255,110,.15); }

/* ── about ── */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; }
.about-big {
  font-family: 'Press Start 2P', monospace;
  font-size: clamp(13px, 2vw, 18px);
  color: var(--text);
  line-height: 2.1;
  margin-bottom: 32px;
}
.about-big .ac { color: var(--d); }
.about-right p { font-size: 13px; color: var(--muted); line-height: 2; margin-bottom: 16px; }
.about-right p b { color: var(--text); font-weight: 400; }
.about-cta { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 28px; }
.abtn {
  font-family: 'Press Start 2P', monospace;
  font-size: 9px;
  padding: 12px 20px;
  border-radius: 3px;
  text-decoration: none;
  transition: all .18s;
  letter-spacing: 1px;
}
.abtn-solid { background: var(--text); color: var(--bg); }
.abtn-solid:hover { background: var(--e); }
.abtn-ghost { border: 1px solid var(--border); color: var(--muted); }
.abtn-ghost:hover { border-color: var(--muted); color: var(--text); }

/* ── manifesto ── */
#manifesto { border-top: 1px solid var(--border); padding: 0; }
.manifesto-inner { max-width: 1100px; margin: 0 auto; padding: 100px 52px; }
.manifesto-eyebrow {
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 4px;
  color: var(--muted);
  margin-bottom: 64px;
}
.manifesto-eyebrow::before { content: '// '; color: var(--dim); }
.manifesto-line {
  font-family: 'Press Start 2P', monospace;
  font-size: clamp(11px, 1.8vw, 17px);
  color: var(--text);
  line-height: 2.2;
  padding: 28px 0;
  border-bottom: 1px solid var(--border);
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 24px;
  align-items: start;
}
.manifesto-line:first-of-type { border-top: 1px solid var(--border); }
.ml-num { font-size: 9px; color: var(--dim); padding-top: 6px; }
.ml-text em {
  font-style: normal;
  background: linear-gradient(90deg, var(--e), var(--f));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.ml-text .yellow { color: var(--c); -webkit-text-fill-color: var(--c); background: none; }
.ml-text .green  { color: var(--d); -webkit-text-fill-color: var(--d); background: none; }
.manifesto-closing {
  margin-top: 64px;
  font-size: 12px;
  color: var(--muted);
  line-height: 2;
  max-width: 560px;
}
.manifesto-closing b { color: var(--text); font-weight: 400; }

/* ── open problems ── */
.problem-grid { display: flex; flex-direction: column; gap: 1px; background: var(--border); border: 1px solid var(--border); border-radius: 3px; overflow: hidden; }
.problem-item { background: var(--bg); padding: 28px 32px; display: grid; grid-template-columns: 80px 1fr auto; gap: 24px; align-items: start; transition: background .15s; }
.problem-item:hover { background: var(--card); }
.prob-track {
  font-family: 'DM Mono', monospace;
  font-size: 8px;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--muted);
  padding-top: 4px;
}
.prob-title {
  font-family: 'Press Start 2P', monospace;
  font-size: 9px;
  color: var(--text);
  line-height: 1.9;
  margin-bottom: 10px;
}
.prob-desc { font-size: 12px; color: var(--muted); line-height: 1.7; }
.prob-meta { text-align: right; }
.prob-difficulty {
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 4px 10px;
  border-radius: 3px;
  border: 1px solid var(--border);
  color: var(--muted);
  white-space: nowrap;
}

/* ── essay cards ── */
.essay-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 16px; }
.essay-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 32px 28px;
  text-decoration: none;
  display: block;
  transition: border-color .2s, transform .2s;
}
.essay-card:hover { border-color: rgba(26,18,7,.12); transform: translateY(-2px); }
.essay-meta {
  font-family: 'DM Mono', monospace;
  font-size: 9px;
  color: var(--dim);
  letter-spacing: 1px;
  margin-bottom: 12px;
  text-transform: uppercase;
}
.essay-title {
  font-family: 'Press Start 2P', monospace;
  font-size: 9px;
  color: var(--text);
  line-height: 1.9;
  margin-bottom: 12px;
}
.essay-abstract { font-size: 12px; color: var(--muted); line-height: 1.8; }

/* ── waitlist ── */
.wl-form { margin-top: 28px; }
.wl-fields { display: flex; flex-direction: column; gap: 10px; margin-bottom: 14px; }
.wl-input {
  font-family: 'DM Mono', monospace;
  font-size: 13px;
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 12px 16px;
  border-radius: 3px;
  outline: none;
  transition: border-color .2s;
  width: 100%;
  max-width: 360px;
  appearance: none;
}
.wl-input::placeholder { color: var(--dim); }
.wl-input:focus { border-color: var(--muted); }
.wl-btn {
  cursor: pointer;
  border: none;
  font-family: 'Press Start 2P', monospace !important;
  font-size: 9px !important;
  margin-top: 6px;
}
.wl-btn:disabled { opacity: .5; cursor: default; }
.wl-msg { font-size: 14px; color: var(--muted); margin-top: 20px; line-height: 1.8; display: none; }
.wl-msg.visible { display: block; }
.wl-msg-err { color: var(--a); }
.wl-msg-err a { color: var(--a); }

/* ── footer ── */
footer {
  border-top: 1px solid var(--border);
  padding: 28px 52px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 11px;
  color: var(--dim);
  flex-wrap: wrap;
  gap: 12px;
}
footer a { color: var(--dim); text-decoration: none; }
footer a:hover { color: var(--muted); }
.footer-brand { font-family: 'Press Start 2P', monospace; font-size: 10px; color: var(--muted); }

/* ── @keyframes ── */
@keyframes buddy-float {
  0%,100% { transform: translateY(0); }
  50%      { transform: translateY(-8px); }
}

/* ── responsive ── */
@media (max-width: 768px) {
  #topnav { padding: 0 20px; }
  .topnav-links a:not(.topnav-cta) { display: none; }
  #sidenav { display: none; }
  .sec { padding: 64px 24px; }
  .page-hero { padding: 100px 24px 60px; }
  #stats { grid-template-columns: 1fr 1fr; }
  .stat-cell { border-bottom: 1px solid var(--border); }
  .event-item { grid-template-columns: 28px 1fr; }
  .ei-count, .ei-prize, .ei-link { display: none; }
  .prize-grid { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .moonshot-card { grid-template-columns: 1fr; gap: 32px; }
  .ms-stats { text-align: left; flex-direction: row; flex-wrap: wrap; gap: 32px; }
  footer { padding: 24px; }
  .hero-card { padding: 40px 28px; }
  .pillar-grid { grid-template-columns: 1fr; }
  .roadmap-grid { grid-template-columns: 1fr; }
  .problem-item { grid-template-columns: 1fr; gap: 12px; }
  .prob-meta { text-align: left; }
  .manifesto-inner { padding: 72px 24px; }
  .manifesto-line { grid-template-columns: 1fr; gap: 8px; font-size: 10px; }
  .ml-num { display: none; }
}

/* proof writing initiative */
.proof-header {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 52px;
  align-items: start;
  margin-bottom: 0;
}
.proof-sub {
  font-size: 16px;
  color: var(--text);
  line-height: 1.9;
  padding-top: 6px;
}
.proof-stats-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--border);
  border-radius: 3px;
  margin: 28px 0 24px;
  overflow: hidden;
}
.proof-stats-strip .stat-cell {
  border-right: 1px solid var(--border);
  border-top: none;
  border-bottom: none;
}
.proof-stats-strip .stat-cell:last-child { border-right: none; }
@media (max-width: 800px) {
  .proof-header { grid-template-columns: 1fr; gap: 24px; }
  .proof-stats-strip { grid-template-columns: 1fr 1fr; }
  .proof-stats-strip .stat-cell:nth-child(2) { border-right: none; }
  .proof-stats-strip .stat-cell:nth-child(3),
  .proof-stats-strip .stat-cell:nth-child(4) { border-top: 1px solid var(--border); }
}