@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght@0,9..144,300;0,9..144,400;0,9..144,500;1,9..144,300;1,9..144,400&family=IBM+Plex+Mono:wght@300;400;500&display=swap');

/* ─── Variables ─────────────────────────────────────────────── */
:root {
  --bg:       #F7F5F1;
  --ink:      #0E0D0C;
  --ink-2:    #5A5753;
  --accent:   #C94B1F;
  --border:   rgba(14,13,12,0.1);
  --font-serif: 'Fraunces', Georgia, serif;
  --font-mono: 'IBM Plex Mono', monospace;
  --max-w: 900px;
  --nav-h: 60px;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

/* ─── Nav ────────────────────────────────────────────────────── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 40px;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  z-index: 100;
}

nav .nav-name {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 400;
  color: var(--ink);
  text-decoration: none;
  letter-spacing: -0.01em;
}

nav .nav-links {
  display: flex;
  gap: 32px;
  list-style: none;
}

nav .nav-links a {
  text-decoration: none;
  color: var(--ink-2);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: color 0.2s;
}

nav .nav-links a:hover,
nav .nav-links a.active { color: var(--ink); }

/* ─── Layout Wrapper ─────────────────────────────────────────── */
.wrap {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 40px;
}

/* ─── Page Entry Animation ───────────────────────────────────── */
.page-content {
  padding-top: calc(var(--nav-h) + 80px);
  padding-bottom: 120px;
  animation: fadeUp 0.5s ease both;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(18px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ─── Hero ───────────────────────────────────────────────────── */
.hero-label {
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-2);
  margin-bottom: 28px;
}

h1.display {
  font-family: var(--font-serif);
  font-size: clamp(3rem, 7vw, 5.5rem);
  font-weight: 300;
  line-height: 1.08;
  letter-spacing: -0.03em;
  color: var(--ink);
  margin-bottom: 36px;
}

h1.display em {
  font-style: italic;
  color: var(--accent);
}

.hero-body {
  font-size: 15px;
  color: var(--ink-2);
  max-width: 480px;
  line-height: 1.75;
  margin-bottom: 52px;
}

/* ─── CTA Links ──────────────────────────────────────────────── */
.cta-row {
  display: flex;
  gap: 24px;
  align-items: center;
  flex-wrap: wrap;
}

.cta-primary {
  display: inline-block;
  padding: 11px 28px;
  background: var(--ink);
  color: var(--bg);
  text-decoration: none;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: background 0.2s, transform 0.15s;
}

.cta-primary:hover {
  background: var(--accent);
  transform: translateY(-1px);
}

.cta-secondary {
  text-decoration: none;
  color: var(--ink-2);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--border);
  padding-bottom: 2px;
  transition: color 0.2s, border-color 0.2s;
}

.cta-secondary:hover { color: var(--ink); border-color: var(--ink); }

/* ─── Section Header ─────────────────────────────────────────── */
.section-eyebrow {
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-2);
  margin-bottom: 40px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}

h2.section-title {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 300;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin-bottom: 12px;
}

/* ─── Project Cards ──────────────────────────────────────────── */
.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 1px;
  border: 1px solid var(--border);
  margin-top: 48px;
}

.project-card {
  padding: 36px 32px;
  background: var(--bg);
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  text-decoration: none;
  color: inherit;
  display: block;
  transition: background 0.2s;
  position: relative;
}

.project-card:hover { background: #EDEAE4; }

.project-card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.project-tag {
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-2);
}

.project-badge {
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 3px 8px;
  border: 1px solid var(--border);
  color: var(--ink-2);
}

.project-badge.external { border-color: var(--accent); color: var(--accent); }
.project-badge.wip { border-color: #9A9490; color: #9A9490; }

.project-card h3 {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 400;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin-bottom: 12px;
  line-height: 1.2;
}

.project-card p {
  font-size: 13px;
  color: var(--ink-2);
  line-height: 1.7;
}

.project-arrow {
  position: absolute;
  bottom: 28px;
  right: 28px;
  font-size: 18px;
  color: var(--ink-2);
  transition: transform 0.2s, color 0.2s;
}

.project-card:hover .project-arrow {
  transform: translate(3px, -3px);
  color: var(--ink);
}

/* ─── Papers List ────────────────────────────────────────────── */
.papers-list {
  margin-top: 48px;
  border-top: 1px solid var(--border);
}

.paper-row {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 20px;
  padding: 28px 0;
  border-bottom: 1px solid var(--border);
  text-decoration: none;
  color: inherit;
  transition: background 0.15s;
}

.paper-row h3 {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 400;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin-bottom: 6px;
}

.paper-row p {
  font-size: 12px;
  color: var(--ink-2);
}

.paper-row .paper-arrow {
  font-size: 16px;
  color: var(--ink-2);
  transition: transform 0.2s;
}

.paper-row:hover .paper-arrow { transform: translateX(4px); }
.paper-row:hover h3 { color: var(--accent); }

/* ─── Placeholder / Coming Soon ──────────────────────────────── */
.placeholder-wrap {
  padding-top: calc(var(--nav-h) + 100px);
  padding-bottom: 120px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  animation: fadeUp 0.5s ease both;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: var(--ink-2);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 60px;
  transition: color 0.2s;
}

.back-link:hover { color: var(--ink); }

.placeholder-number {
  font-family: var(--font-serif);
  font-size: 8rem;
  font-weight: 300;
  color: rgba(14,13,12,0.07);
  line-height: 1;
  margin-bottom: -20px;
  letter-spacing: -0.04em;
  user-select: none;
}

/* ─── Footer ─────────────────────────────────────────────────── */
footer {
  padding: 32px 40px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 11px;
  color: var(--ink-2);
  letter-spacing: 0.06em;
}

footer a {
  color: var(--ink-2);
  text-decoration: none;
  transition: color 0.2s;
}

footer a:hover { color: var(--ink); }

/* ─── Responsive ─────────────────────────────────────────────── */
@media (max-width: 640px) {
  nav { padding: 0 20px; }
  .wrap { padding: 0 20px; }
  footer { padding: 24px 20px; flex-direction: column; gap: 12px; text-align: center; }
  .project-grid { grid-template-columns: 1fr; }
  .placeholder-number { font-size: 5rem; }
}