/* Albert subpages — SF minimal */

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

.albert-subpage {
  --sub-bg: #eceee9;
  --sub-surface: rgba(255, 255, 255, 0.45);
  --sub-ink: #121212;
  --sub-muted: #5c5f5a;
  --sub-faint: #949890;
  --sub-line: rgba(18, 18, 18, 0.1);
  --sub-accent: #121212;
  --sub-mono: 'IBM Plex Mono', ui-monospace, 'SF Mono', monospace;
  background: var(--sub-bg);
  color: var(--sub-ink);
  min-height: 100vh;
}

.albert-subpage .sub-shell {
  max-width: 720px;
  margin: 0 auto;
  padding: 36px 28px 64px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  animation: subFade 0.5s ease both;
}

@keyframes subFade {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* ---- Nav ---- */

.sub-header {
  margin-bottom: 72px;
}

.sub-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 10px;
  font-family: var(--sub-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  text-transform: lowercase;
}

.sub-nav a {
  color: var(--sub-muted);
  text-decoration: none;
  transition: color 0.15s ease;
  padding: 2px 0;
}

.sub-nav a:hover {
  color: var(--sub-ink);
}

.sub-nav a.is-current {
  color: var(--sub-ink);
  font-weight: 500;
}

.sub-nav-sep {
  color: var(--sub-faint);
  user-select: none;
}

/* ---- Page header ---- */

.sub-eyebrow {
  font-family: var(--sub-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--sub-faint);
  margin-bottom: 14px;
}

.sub-title {
  font-family: 'Playfair Display', serif;
  font-size: clamp(2rem, 5vw, 2.75rem);
  font-weight: 400;
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--sub-ink);
  margin: 0 0 12px;
}

.sub-meta {
  font-family: var(--sub-mono);
  font-size: 11px;
  color: var(--sub-faint);
  letter-spacing: 0.06em;
}

.sub-main {
  flex: 1;
}

/* ---- Writings index ---- */

.writings-index {
  list-style: none;
  padding: 0;
  margin: 48px 0 0;
}

.writing-row {
  border-top: 1px solid var(--sub-line);
}

.writing-row:last-child {
  border-bottom: 1px solid var(--sub-line);
}

.writing-row-link {
  display: grid;
  grid-template-columns: 36px 1fr;
  gap: 16px 24px;
  padding: 28px 0;
  text-decoration: none;
  color: inherit;
  transition: opacity 0.2s ease;
}

.writing-row-link:hover {
  opacity: 0.72;
}

.writing-row-num {
  font-family: var(--sub-mono);
  font-size: 11px;
  color: var(--sub-faint);
  padding-top: 4px;
  letter-spacing: 0.08em;
}

.writing-row-body {
  min-width: 0;
}

.writing-row-title {
  font-family: 'Playfair Display', serif;
  font-size: 1.35rem;
  font-weight: 400;
  line-height: 1.25;
  margin: 0 0 8px;
  color: var(--sub-ink);
}

.writing-row-date {
  font-family: var(--sub-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--sub-faint);
  margin-bottom: 12px;
}

.writing-row-excerpt {
  font-size: 14px;
  line-height: 1.65;
  color: var(--sub-muted);
  font-weight: 300;
  margin: 0;
}

/* ---- Article ---- */

.article-back {
  display: inline-block;
  font-family: var(--sub-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: lowercase;
  color: var(--sub-muted);
  text-decoration: none;
  margin-bottom: 48px;
  transition: color 0.15s ease;
}

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

.article-body {
  font-size: 16px;
  line-height: 1.78;
  color: var(--sub-ink);
  font-weight: 300;
  margin-top: 40px;
}

.article-body p {
  margin-bottom: 1.45em;
}

.article-body p:last-child {
  margin-bottom: 0;
}

.article-body strong {
  font-weight: 500;
}

.article-body em {
  font-style: italic;
}

.article-body ol {
  margin: 0 0 1.45em 1.1em;
  padding: 0;
}

.article-body ol li {
  margin-bottom: 0.9em;
}

.article-body ol li:last-child {
  margin-bottom: 0;
}

.article-opening {
  margin-bottom: 2em;
}

.article-opening p {
  font-style: italic;
  color: var(--sub-muted);
  margin-bottom: 0.5em;
}

/* ---- Quotes ---- */

.quotes-list {
  margin-top: 48px;
}

.quote-block {
  padding: 32px 0;
  border-top: 1px solid var(--sub-line);
}

.quote-block:last-child {
  border-bottom: 1px solid var(--sub-line);
}

.quote-text {
  font-family: 'Playfair Display', serif;
  font-size: 1.2rem;
  line-height: 1.45;
  color: var(--sub-ink);
  margin: 0 0 10px;
  font-weight: 400;
}

.quote-attr {
  font-family: var(--sub-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  color: var(--sub-faint);
  margin-bottom: 18px;
}

.quote-note {
  font-size: 14px;
  line-height: 1.7;
  color: var(--sub-muted);
  font-weight: 300;
}

.quote-note p {
  margin-bottom: 0.9em;
}

.quote-note p:last-child {
  margin-bottom: 0;
}

.quote-note strong {
  font-weight: 500;
  color: var(--sub-ink);
}

/* ---- Beliefs ---- */

.beliefs-body {
  margin-top: 40px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--sub-muted);
  font-weight: 300;
}

.beliefs-lead {
  font-size: 16px;
  color: var(--sub-ink);
  font-weight: 400;
  margin-bottom: 28px;
  line-height: 1.6;
}

.beliefs-body p {
  margin-bottom: 1.1em;
}

.beliefs-body p:last-child {
  margin-bottom: 0;
}

.beliefs-body a {
  color: var(--sub-ink);
  text-decoration: underline;
  text-decoration-color: var(--sub-line);
  text-underline-offset: 3px;
}

.beliefs-body a:hover {
  text-decoration-color: var(--sub-muted);
}

/* ---- Interests ---- */

.interests-index {
  list-style: none;
  padding: 0;
  margin: 48px 0 0;
}

.interest-row {
  border-top: 1px solid var(--sub-line);
}

.interest-row:last-child {
  border-bottom: 1px solid var(--sub-line);
}

.interest-toggle {
  width: 100%;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 20px;
  padding: 22px 0;
  background: none;
  border: none;
  text-align: left;
  font-family: 'Playfair Display', serif;
  font-size: 1.12rem;
  font-weight: 400;
  line-height: 1.3;
  color: var(--sub-ink);
  cursor: none;
  transition: color 0.15s ease;
}

.interest-toggle:hover {
  color: var(--sub-muted);
}

.interest-toggle-mark {
  font-family: var(--sub-mono);
  font-size: 14px;
  font-weight: 400;
  color: var(--sub-faint);
  flex-shrink: 0;
  transition: transform 0.25s ease, color 0.15s ease;
  line-height: 1;
}

.interest-row.is-open .interest-toggle-mark {
  transform: rotate(45deg);
  color: var(--sub-ink);
}

.interest-detail {
  display: none;
  padding: 0 0 28px;
  font-size: 14px;
  line-height: 1.72;
  color: var(--sub-muted);
  font-weight: 300;
}

.interest-row.is-open .interest-detail {
  display: block;
}

.interest-detail p {
  margin-bottom: 1.1em;
}

.interest-detail p:last-child {
  margin-bottom: 0;
}

.interest-detail strong {
  font-weight: 500;
  color: var(--sub-ink);
}

.interest-detail ul {
  margin: 0 0 1.1em 1.1em;
  padding: 0;
}

.interest-detail li {
  margin-bottom: 0.35em;
}

/* ---- Footer ---- */

.sub-footer {
  margin-top: 80px;
  padding-top: 24px;
  font-family: var(--sub-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--sub-faint);
  text-transform: lowercase;
}

@media (max-width: 640px) {
  .albert-subpage .sub-shell {
    padding: 28px 20px 48px;
  }

  .sub-header {
    margin-bottom: 48px;
  }

  .writing-row-link {
    grid-template-columns: 28px 1fr;
    gap: 12px 16px;
    padding: 22px 0;
  }

  .article-body {
    font-size: 15px;
  }
}