/* Aetherneum University — shared stylesheet
   Coherent visual language with aetherneum.com root.
   Black + cyan + off-white only. Serif manifesto + mono markers. */

:root {
  --bg: #000000;
  --bg-soft: #0a0e14;
  --bg-panel: rgba(10, 14, 20, 0.6);
  --ink: #f8fafc;
  --ink-muted: #94a3b8;
  --ink-faint: #475569;
  --ink-deeper: #334155;
  --cyan: #22d3ee;
  --cyan-glow: #67e8f9;
  --cyan-deep: #0e7490;
  --cyan-line: rgba(34, 211, 238, 0.18);
  --cyan-line-soft: rgba(34, 211, 238, 0.08);
  --serif: 'EB Garamond', Georgia, serif;
  --mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, monospace;
}

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

html, body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--serif);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  min-height: 100vh;
  font-size: 18px;
  line-height: 1.7;
}

body {
  background: radial-gradient(ellipse at center top, #0a0e14 0%, #000 70%);
}

#hero-canvas {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  z-index: 0;
  pointer-events: none;
  opacity: 0.32;
}
.vignette {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: radial-gradient(ellipse at center, transparent 30%, rgba(0,0,0,0.85) 100%);
}

main {
  position: relative;
  z-index: 2;
  min-height: 100vh;
}

/* ───── Navigation ───── */
nav.top {
  padding: 1.75rem 3rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-faint);
  border-bottom: 1px solid var(--cyan-line-soft);
}
nav.top a { color: var(--ink-faint); text-decoration: none; transition: color 0.3s; }
nav.top a:hover { color: var(--cyan); }
nav.top .brand {
  color: var(--cyan);
  font-weight: 500;
  letter-spacing: 0.2em;
}
nav.top .brand .sub {
  color: var(--ink-faint);
  margin-left: 0.5em;
}
nav.top .links { display: flex; gap: 1.5rem; }

@media (max-width: 720px) {
  nav.top { padding: 1.25rem; flex-wrap: wrap; gap: 1rem; }
  nav.top .links { flex-wrap: wrap; gap: 0.75rem; font-size: 0.65rem; }
}

/* ───── Hero / titles ───── */
.hero {
  text-align: center;
  padding: 5rem 2rem 3rem;
  max-width: 50rem;
  margin: 0 auto;
}
.hero .eyebrow {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--cyan-deep);
  margin-bottom: 1.25rem;
}
.hero h1 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(2.5rem, 6vw, 4.75rem);
  letter-spacing: 0.04em;
  line-height: 1.1;
  margin-bottom: 1.5rem;
}
.hero h1 .ae { color: var(--cyan-glow); }
.hero .tagline {
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(1.2rem, 1.8vw, 1.55rem);
  color: var(--ink-muted);
  letter-spacing: 0.01em;
  max-width: 38rem;
  margin: 0 auto;
}

/* ───── Sections ───── */
section.block {
  max-width: 64rem;
  margin: 0 auto;
  padding: 4rem 2rem;
  border-top: 1px solid var(--cyan-line-soft);
}
section.block.first { border-top: none; }
section.block h2 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(1.85rem, 3.3vw, 2.6rem);
  letter-spacing: 0.02em;
  margin-bottom: 0.75rem;
  line-height: 1.2;
}
section.block .lede {
  font-family: var(--serif);
  font-size: 1.25rem;
  color: var(--ink-muted);
  margin-bottom: 2.5rem;
  max-width: 38rem;
  font-style: italic;
  line-height: 1.55;
}
section.block h3 {
  font-family: var(--serif);
  font-size: 1.5rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  margin: 2.75rem 0 0.85rem;
  color: var(--ink);
}
section.block p {
  font-family: var(--serif);
  font-size: 1.18rem;
  line-height: 1.75;
  color: var(--ink-muted);
  margin-bottom: 1.15rem;
  max-width: 42rem;
}
section.block p strong {
  color: var(--ink);
  font-weight: 500;
}
section.block p em {
  color: var(--cyan-glow);
  font-style: italic;
}
section.block ul, section.block ol {
  font-family: var(--serif);
  font-size: 1.15rem;
  line-height: 1.8;
  color: var(--ink-muted);
  padding-left: 1.5rem;
  margin-bottom: 1rem;
  max-width: 42rem;
}
section.block li { margin-bottom: 0.6rem; }
section.block li::marker { color: var(--cyan-deep); }

/* ───── Roster grid ───── */
.roster {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
  gap: 1.25rem;
  margin-top: 2rem;
}
.alumnus-card {
  border: 1px solid var(--cyan-line);
  background: var(--bg-panel);
  backdrop-filter: blur(2px);
  padding: 1.75rem 1.5rem;
  text-decoration: none;
  color: var(--ink);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  position: relative;
  overflow: hidden;
  transition: all 0.4s ease;
}
.alumnus-card::before {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 100%; height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
  transition: left 0.8s ease;
}
.alumnus-card:hover {
  border-color: rgba(34, 211, 238, 0.5);
  background: rgba(34, 211, 238, 0.04);
  transform: translateY(-2px);
}
.alumnus-card:hover::before { left: 100%; }

.alumnus-card .avatar-frame {
  width: 4rem; height: 4rem;
  border: 1px solid var(--cyan-line);
  background: rgba(34, 211, 238, 0.04);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.75rem;
  font-family: var(--serif);
  font-size: 1.4rem;
  color: var(--cyan-glow);
  letter-spacing: 0.05em;
  position: relative;
  clip-path: polygon(50% 0, 100% 25%, 100% 75%, 50% 100%, 0 75%, 0 25%);
}
.alumnus-card .num {
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--cyan-deep);
}
.alumnus-card .name {
  font-family: var(--serif);
  font-size: 1.4rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  color: var(--ink);
}
.alumnus-card .role {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.05rem;
  color: var(--ink-muted);
}
.alumnus-card .placement {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  color: var(--cyan-deep);
  margin-top: 0.5rem;
  text-transform: uppercase;
}

/* ───── Tables ───── */
table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--serif);
  font-size: 1.1rem;
  margin: 1.5rem 0;
}
table th, table td {
  text-align: left;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--cyan-line-soft);
}
table th {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan-deep);
  font-weight: 500;
}
table td { color: var(--ink-muted); }
table td strong { color: var(--ink); font-weight: 500; }
table td .mono { font-family: var(--mono); font-size: 0.85rem; color: var(--ink-faint); }

/* ───── Code / diploma ───── */
.diploma {
  font-family: var(--mono);
  font-size: 0.85rem;
  line-height: 1.55;
  color: var(--cyan-glow);
  background: rgba(10, 14, 20, 0.6);
  border: 1px solid var(--cyan-line);
  padding: 2rem 1.5rem;
  white-space: pre;
  overflow-x: auto;
  margin: 1.5rem 0;
  letter-spacing: 0.01em;
  text-shadow: 0 0 12px rgba(34, 211, 238, 0.25);
  max-width: 36rem;
}

/* ───── Alumnus profile (full page) ───── */
.profile-hero {
  text-align: center;
  padding: 4rem 2rem 2rem;
  max-width: 44rem;
  margin: 0 auto;
}
.profile-hero .avatar-large {
  width: 8rem; height: 8rem;
  border: 1px solid var(--cyan-line);
  background: rgba(34, 211, 238, 0.04);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  font-family: var(--serif);
  font-size: 2.5rem;
  color: var(--cyan-glow);
  letter-spacing: 0.05em;
  clip-path: polygon(50% 0, 100% 25%, 100% 75%, 50% 100%, 0 75%, 0 25%);
  text-shadow: 0 0 20px rgba(34, 211, 238, 0.4);
}
.profile-hero .role-line {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--cyan-deep);
  margin-bottom: 1rem;
}
.profile-hero h1 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(2.4rem, 5.2vw, 3.8rem);
  margin-bottom: 0.7rem;
  line-height: 1.1;
}
.profile-hero .position {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.4rem;
  color: var(--ink-muted);
  margin-bottom: 1.5rem;
}
.profile-hero .badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
  margin-top: 1.25rem;
}
.profile-hero .badge {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  border: 1px solid var(--cyan-line);
  background: rgba(34, 211, 238, 0.04);
  padding: 0.4rem 0.8rem;
  color: var(--cyan-glow);
}

.profile-meta {
  max-width: 44rem;
  margin: 2rem auto 0;
  padding: 0 2rem;
}
.profile-meta dl {
  display: grid;
  grid-template-columns: 11rem 1fr;
  gap: 0.85rem 1.5rem;
  font-family: var(--serif);
  font-size: 1.1rem;
}
.profile-meta dt {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cyan-deep);
  align-self: start;
  padding-top: 0.25rem;
}
.profile-meta dd {
  color: var(--ink-muted);
}
.profile-meta dd strong { color: var(--ink); font-weight: 500; }
.profile-meta dd code {
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--cyan-glow);
}

@media (max-width: 600px) {
  .profile-meta dl { grid-template-columns: 1fr; gap: 0.25rem 0; }
  .profile-meta dt { padding-top: 0.75rem; }
}

.profile-section {
  max-width: 44rem;
  margin: 3rem auto 0;
  padding: 0 2rem;
}
.profile-section h3 {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--cyan-deep);
  margin-bottom: 1.25rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--cyan-line-soft);
}
.profile-section .thesis {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.5rem;
  color: var(--ink);
  line-height: 1.5;
  margin-bottom: 1.5rem;
  border-left: 2px solid var(--cyan);
  padding-left: 1.75rem;
}
.profile-section p {
  font-family: var(--serif);
  font-size: 1.18rem;
  line-height: 1.8;
  color: var(--ink-muted);
  margin-bottom: 1.15rem;
}
.profile-section p strong { color: var(--ink); font-weight: 500; }
.profile-section ul {
  font-family: var(--serif);
  font-size: 1.15rem;
  line-height: 1.85;
  color: var(--ink-muted);
  padding-left: 1.5rem;
}
.profile-section ul li { margin-bottom: 0.5rem; }
.profile-section ul li::marker { color: var(--cyan-deep); }

.profile-section .quote-bio {
  font-family: var(--serif);
  font-size: 1.22rem;
  line-height: 1.85;
  color: var(--ink);
  font-style: italic;
}
.profile-section .quote-bio.en {
  color: var(--ink-muted);
  margin-top: 1.75rem;
  padding-top: 1.75rem;
  border-top: 1px solid var(--cyan-line-soft);
  font-size: 1.18rem;
}

.alumnus-nav {
  display: flex;
  justify-content: space-between;
  max-width: 44rem;
  margin: 4rem auto 0;
  padding: 2rem 2rem 0;
  border-top: 1px solid var(--cyan-line-soft);
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.alumnus-nav a { color: var(--ink-faint); text-decoration: none; transition: color 0.3s; }
.alumnus-nav a:hover { color: var(--cyan); }

/* ───── Footer ───── */
footer {
  margin-top: 5rem;
  padding: 3rem 3rem 2rem;
  border-top: 1px solid var(--cyan-line-soft);
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-faint);
  text-align: center;
}
footer .motto {
  font-family: var(--serif);
  font-style: italic;
  text-transform: none;
  letter-spacing: 0.02em;
  font-size: 0.95rem;
  color: var(--ink-muted);
  margin-bottom: 0.85rem;
}
footer a { color: var(--cyan-deep); text-decoration: none; }
footer a:hover { color: var(--cyan); }

/* ───── Reveal animation ───── */
.reveal {
  opacity: 0;
  transform: translateY(10px);
  animation: reveal 1.2s ease-out forwards;
}
.reveal.d1 { animation-delay: 0.15s; }
.reveal.d2 { animation-delay: 0.5s; }
.reveal.d3 { animation-delay: 0.9s; }
.reveal.d4 { animation-delay: 1.4s; }
@keyframes reveal {
  to { opacity: 1; transform: translateY(0); }
}

.core-glow {
  position: fixed;
  bottom: 6%;
  left: 50%;
  transform: translateX(-50%);
  width: 6px; height: 6px;
  background: var(--cyan);
  border-radius: 50%;
  box-shadow:
    0 0 16px var(--cyan),
    0 0 48px var(--cyan-glow),
    0 0 96px rgba(34, 211, 238, 0.35);
  animation: pulse 4s ease-in-out infinite;
  z-index: 1;
  pointer-events: none;
}
@keyframes pulse {
  0%, 100% { transform: translateX(-50%) scale(1); opacity: 0.5; }
  50% { transform: translateX(-50%) scale(1.4); opacity: 0.9; }
}

/* ───── Manifesto inline (re-used on charter) ───── */
.manifesto-block {
  font-family: var(--serif);
  font-size: 1.25rem;
  line-height: 1.7;
  max-width: 36rem;
  margin: 2rem auto;
  text-align: center;
  color: var(--ink);
}
.manifesto-block p { margin: 1.2rem 0; }
.manifesto-block em { color: var(--cyan-glow); font-style: italic; }

/* ───── Avatar img fits ───── */
.alumnus-card img.avatar-frame, img.avatar-frame {
  width: 4rem; height: 4rem;
  object-fit: cover;
  margin-bottom: 0.75rem;
  clip-path: polygon(50% 0, 100% 25%, 100% 75%, 50% 100%, 0 75%, 0 25%);
  border: 1px solid var(--cyan-line);
  display: block;
  
  filter: contrast(1.05) saturate(0.95);
}
.profile-hero img.avatar-large, img.avatar-large {
  width: 8rem; height: 8rem;
  object-fit: cover;
  margin: 0 auto 1.5rem;
  clip-path: polygon(50% 0, 100% 25%, 100% 75%, 50% 100%, 0 75%, 0 25%);
  border: 1px solid var(--cyan-line);
  display: block;
  
  filter: contrast(1.05) saturate(0.95);
}