/* ===== Main Page — Landing ===== */

.hero-content--landing {
  max-width: none;
  width: 100%;
  min-height: 65%;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.hero-banner--main.hero-banner--fullpage {
  align-items: center;
  justify-content: center;
}

.hero-title--landing {
  font-size: 32px;
  margin-bottom: 14px;
}

.hero-desc {
  font-size: 14px;
  line-height: 1.75;
  color: var(--black);
  max-width: none;
  margin-bottom: 18px;
}

.hero-desc strong {
  color: var(--black);
  font-weight: 600;
}

.hero-desc--highlight {
  font-size: 14px !important;
  font-weight: 600;
  color: var(--black) !important;
  line-height: 1.7;
  border-left: 2px solid var(--black);
  padding-left: 10px;
  margin-bottom: 16px;
}

.hero-transition {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-tertiary);
  letter-spacing: 0.02em;
  margin-bottom: 12px;
}

/* Project Cards — side-by-side liquid glass */
.hero-projects {
  display: flex;
  flex-direction: row;
  gap: 14px;
  margin-top: 14px;
  align-items: stretch;
}

.hero-project-card {
  flex: 1 1 0;
  min-width: 0;
  padding: 18px 20px;
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.55) 0%, rgba(255, 255, 255, 0.28) 100%);
  backdrop-filter: blur(22px) saturate(1.7);
  -webkit-backdrop-filter: blur(22px) saturate(1.7);
  border: 1px solid rgba(255, 255, 255, 0.55);
  box-shadow:
    inset 0 1px 1px rgba(255, 255, 255, 0.7),
    0 6px 20px rgba(0, 0, 0, 0.06),
    0 2px 6px rgba(0, 0, 0, 0.04);
  cursor: pointer;
  user-select: none;
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 14px;
  position: relative;
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
}

.hero-project-card:hover {
  transform: translateY(-2px);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.68) 0%, rgba(255, 255, 255, 0.4) 100%);
  box-shadow:
    inset 0 1px 1px rgba(255, 255, 255, 0.8),
    0 12px 30px rgba(0, 0, 0, 0.09),
    0 3px 10px rgba(0, 0, 0, 0.05);
}

.hero-project-card:focus-visible {
  outline: 2px solid rgba(0, 0, 0, 0.3);
  outline-offset: 3px;
}

.hero-project-card::before,
.hero-project-card::after {
  content: none;
}

.hero-project-main {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.hero-project-tag {
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--text-tertiary);
  text-transform: uppercase;
}

.hero-project-title {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 16px !important;
  font-weight: 700;
  color: var(--black);
  letter-spacing: -0.01em;
  line-height: 1.3;
  margin: 0;
}

.hero-project-subtitle {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 11px !important;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--text-secondary);
  margin: 1px 0 0;
  white-space: normal;
  line-height: 1.45;
}

.hero-project-meta-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 3px 9px;
  margin-top: 3px;
  font-size: 12px;
  color: var(--text-tertiary);
}

/* Inline "·" separator between pill/links */
.hero-project-meta-row > * + *::before {
  content: '·';
  margin-right: 9px;
  color: var(--text-tertiary);
  opacity: 0.6;
}

.hero-project-pill {
  display: inline-flex;
  align-items: center;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.01em;
  color: var(--text-secondary);
  padding: 0;
  background: transparent;
  border: none;
  box-shadow: none;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

/* Resource links inside the plain card → plain underline-on-hover links */
.hero-project-meta-row .resource-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.01em;
  color: var(--text-secondary);
  padding: 0;
  background: transparent;
  border: none;
  box-shadow: none;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  border-radius: 0;
  transition: color 0.2s ease;
}

.hero-project-meta-row .resource-link:hover {
  color: var(--black);
  text-decoration: underline;
  text-underline-offset: 3px;
  background: transparent;
  border: none;
  box-shadow: none;
  transform: none;
}

.hero-project-meta-row .resource-link svg,
.hero-project-meta-row .resource-link img {
  width: 10px;
  height: 10px;
  flex-shrink: 0;
}

/* Right-side arrow: plain, no circle */
.hero-project-cta {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: auto;
  height: auto;
  background: transparent;
  border: none;
  box-shadow: none;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  border-radius: 0;
  color: var(--text-tertiary);
  padding: 0 4px;
  transition: color 0.2s ease, transform 0.2s ease;
}

.hero-project-cta svg {
  display: block;
  width: 14px;
  height: 14px;
  transition: transform 0.25s ease;
}

.hero-project-card:hover .hero-project-cta {
  color: var(--black);
  transform: translateX(3px);
}

.hero-project-card:hover .hero-project-cta svg {
  transform: none;
}

/* Resource Bar */
.resource-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.resource-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 11px;
  font-weight: 600;
  color: var(--text);
  padding: 5px 11px;
  border-radius: 12px;
  transition: all 0.2s;
  background:
    linear-gradient(
      135deg,
      rgba(255,255,255,0.7) 0%,
      rgba(255,255,255,0.3) 40%,
      rgba(255,255,255,0.5) 100%
    );
  backdrop-filter: blur(12px) saturate(1.6);
  -webkit-backdrop-filter: blur(12px) saturate(1.6);
  border: 1px solid rgba(255,255,255,0.55);
  box-shadow:
    inset 0 1px 1px rgba(255,255,255,0.8),
    inset 0 -0.5px 1px rgba(0,0,0,0.04),
    0 1px 6px rgba(0,0,0,0.06),
    0 0.5px 1px rgba(0,0,0,0.04);
}

.resource-link svg {
  flex-shrink: 0;
  width: 12px;
  height: 12px;
}

.resource-link:hover {
  background:
    linear-gradient(
      135deg,
      rgba(255,255,255,0.85) 0%,
      rgba(255,255,255,0.55) 40%,
      rgba(255,255,255,0.75) 100%
    );
  border-color: rgba(255,255,255,0.8);
  box-shadow:
    inset 0 1px 1px rgba(255,255,255,0.9),
    inset 0 -0.5px 1px rgba(0,0,0,0.04),
    0 2px 10px rgba(0,0,0,0.1),
    0 1px 2px rgba(0,0,0,0.06);
  transform: translateY(-1px);
}

/* Paper Detail */
.back-link {
  display: inline-block;
  font-size: 11px;
  color: var(--text-tertiary);
  font-weight: 500;
  margin-bottom: 24px;
  transition: color 0.15s;
}

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

.detail-date {
  font-size: 11px;
  color: var(--text-tertiary);
  margin-bottom: 12px;
}

.detail-title {
  font-family: 'Playfair Display', Georgia, 'Times New Roman', serif;
  font-size: 20px;
  font-weight: 800;
  color: var(--black);
  line-height: 1.3;
  letter-spacing: -0.02em;
  margin-bottom: 14px;
}

.detail-authors {
  font-size: 11px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 20px;
}

.detail-divider {
  height: 1px;
  background: var(--border);
  margin-bottom: 20px;
}

.detail-section-title {
  font-family: 'Playfair Display', Georgia, 'Times New Roman', serif;
  font-size: 13px;
  font-weight: 700;
  color: var(--black);
  margin-bottom: 10px;
}

.detail-abstract {
  font-size: 11px;
  color: var(--text-secondary);
  line-height: 1.9;
  margin-bottom: 24px;
}

.detail-links {
  display: flex;
  gap: 8px;
}

.detail-link {
  font-size: 11px;
  font-weight: 600;
  color: var(--black);
  padding: 6px 14px;
  border: 1.5px solid var(--black);
  border-radius: 2px;
  transition: all 0.15s;
}

.detail-link:hover {
  background: var(--black);
  color: var(--bg);
}

@media (max-width: 1200px) {
  .hero-title--landing {
    font-size: 22px;
  }
}

@media (max-width: 768px) {
  .resource-bar {
    gap: 4px;
  }

  .resource-link {
    font-size: 11px;
    padding: 4px 8px;
  }

  .detail-title {
    font-size: 15px;
  }

  .hero-content--landing {
    max-width: 100%;
  }

  .hero-title--landing {
    font-size: 18px;
  }

  .hero-desc {
    font-size: 13px;
  }

  .hero-projects {
    flex-direction: column;
    width: 100%;
    gap: 12px;
    align-items: stretch;
  }

  .hero-project-card {
    padding: 16px 18px;
    width: 100%;
    flex: 0 0 auto;
  }
}