/* ================================================================
   styles-research.css
   CSVS Research landing page styles
   Namespaced with .csvs-* to avoid conflicts with Quarto defaults
   ================================================================ */

@import url('https://fonts.googleapis.com/css2?family=Lora:ital,wght@0,400;0,600;1,400&family=IBM+Plex+Sans:wght@300;400;500;600&family=IBM+Plex+Mono:wght@400;500&display=swap');

:root {
  --csvs-blue-deep:    #1a3a5c;
  --csvs-blue-mid:     #2a5f8f;
  --csvs-blue-light:   #4a90c4;
  --csvs-blue-pale:    #e8f2f9;
  --csvs-teal:         #2d7d6f;
  --csvs-teal-light:   #e6f4f1;
  --csvs-gold:         #c9963a;
  --csvs-gold-pale:    #fdf5e8;
  --csvs-cream:        #f7f5f0;
  --csvs-white:        #ffffff;
  --csvs-text-dark:    #1a1a1a;
  --csvs-text-mid:     #3d3d3d;
  --csvs-text-light:   #6b6b6b;
  --csvs-border:       #ddd8cf;
  --csvs-border-light: #eeeae3;
}

/* ── suppress default Quarto page padding on full-width layout ── */
.page-layout-full .content {
  padding: 0 !important;
  max-width: 100% !important;
}

/* ── TOPBAR ── */
.csvs-topbar {
  background: var(--csvs-blue-deep);
  padding: 0.45rem 5vw;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: 'IBM Plex Sans', sans-serif;
}

.csvs-topbar-left {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
}

.csvs-topbar-arrow {
  color: rgba(255,255,255,0.45);
  font-size: 0.75rem;
}

.csvs-topbar-org {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.6);
  font-weight: 400;
  letter-spacing: 0.03em;
}

.csvs-topbar-right {
  font-size: 0.72rem;
  color: rgba(255,255,255,0.35);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* ── HERO ── */
.csvs-hero {
  background: var(--csvs-blue-deep);
  padding: 4rem 5vw 3.5rem;
  position: relative;
  overflow: hidden;
  font-family: 'IBM Plex Sans', sans-serif;
}

.csvs-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}

.csvs-hero::after {
  content: '';
  position: absolute;
  width: 600px; height: 600px;
  top: -200px; right: -100px;
  background: radial-gradient(circle, rgba(74,144,196,0.15) 0%, transparent 70%);
  pointer-events: none;
}

.csvs-hero-inner {
  position: relative;
  z-index: 1;
  max-width: 860px;
}

.csvs-hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.72rem;
  color: var(--csvs-blue-light);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 1.2rem;
}

.csvs-hero-eyebrow::before {
  content: '';
  display: block;
  width: 24px; height: 1px;
  background: var(--csvs-blue-light);
}

.csvs-hero-h1 {
  font-family: 'Lora', serif !important;
  font-size: clamp(2rem, 4vw, 3.2rem) !important;
  color: white !important;
  font-weight: 600 !important;
  line-height: 1.18 !important;
  margin-bottom: 1.2rem !important;
  border: none !important;
}

.csvs-hero-h1 em {
  font-style: italic;
  color: #7ab8de;
}

.csvs-hero-desc {
  font-size: 1rem;
  color: rgba(255,255,255,0.60);
  line-height: 1.8;
  max-width: 640px;
  font-weight: 300;
  margin-bottom: 2.2rem;
}

.csvs-hero-meta-row {
  display: flex;
  align-items: center;
  gap: 2.2rem;
  flex-wrap: wrap;
}

.csvs-hero-stat {
  display: flex;
  flex-direction: column;
}

.csvs-stat-num {
  font-family: 'Lora', serif;
  font-size: 1.7rem;
  color: white;
  font-weight: 600;
  line-height: 1;
}

.csvs-stat-num span { color: var(--csvs-gold); }

.csvs-stat-label {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.65rem;
  color: rgba(255,255,255,0.35);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-top: 0.3rem;
}

.csvs-stat-divider {
  width: 1px; height: 36px;
  background: rgba(255,255,255,0.1);
}

/* ── FILTER BAR ── */
.csvs-filter-bar {
  background: var(--csvs-white);
  border-bottom: 1px solid var(--csvs-border-light);
  padding: 0 5vw;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  overflow-x: auto;
  height: 50px;
  font-family: 'IBM Plex Sans', sans-serif;
}

.csvs-filter-bar::-webkit-scrollbar { display: none; }

.csvs-filter-label {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--csvs-text-light);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  white-space: nowrap;
  margin-right: 0.4rem;
  flex-shrink: 0;
}

.csvs-filter-btn {
  background: none;
  border: 1px solid var(--csvs-border);
  border-radius: 20px;
  padding: 0.28rem 0.85rem;
  font-family: 'IBM Plex Sans', sans-serif;
  font-size: 0.8rem;
  color: var(--csvs-text-mid);
  cursor: pointer;
  white-space: nowrap;
  flex-shrink: 0;
  transition: all 0.15s;
}

.csvs-filter-btn:hover {
  border-color: var(--csvs-blue-mid);
  color: var(--csvs-blue-mid);
}

.csvs-filter-btn.active {
  background: var(--csvs-blue-deep);
  border-color: var(--csvs-blue-deep);
  color: white;
}

/* ── MAIN LAYOUT ── */
.csvs-main-layout {
  display: grid;
  grid-template-columns: 1fr 290px;
  gap: 2.5rem;
  padding: 2.5rem 5vw 5rem;
  max-width: 1280px;
  margin: 0 auto;
  font-family: 'IBM Plex Sans', sans-serif;
}

/* ── FEATURED ── */
.csvs-featured-banner {
  background: var(--csvs-white);
  border: 1px solid var(--csvs-border-light);
  border-top: 3px solid var(--csvs-gold);
  border-radius: 6px;
  padding: 1.8rem 2rem;
  margin-bottom: 2rem;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1.5rem;
  align-items: start;
}

.csvs-featured-label {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--csvs-gold);
  font-weight: 500;
  margin-bottom: 0.55rem;
}

.csvs-featured-title {
  font-family: 'Lora', serif;
  font-size: 1.2rem;
  color: var(--csvs-blue-deep);
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: 0.65rem;
  text-decoration: none;
  display: block;
  transition: color 0.15s;
}

.csvs-featured-title:hover { color: var(--csvs-blue-mid); }

.csvs-featured-desc {
  font-size: 0.88rem;
  color: var(--csvs-text-light);
  line-height: 1.7;
  font-weight: 300;
  margin-bottom: 1rem;
}

.csvs-featured-cta {
  background: var(--csvs-blue-deep);
  color: white;
  padding: 0.6rem 1.3rem;
  border-radius: 4px;
  text-decoration: none;
  font-size: 0.84rem;
  font-weight: 600;
  white-space: nowrap;
  transition: background 0.2s;
  align-self: flex-start;
  display: inline-block;
}

.csvs-featured-cta:hover {
  background: var(--csvs-blue-mid);
  color: white;
  text-decoration: none;
}

/* ── FEED HEADER ── */
.csvs-feed-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 1.5rem;
  padding-bottom: 0.85rem;
  border-bottom: 2px solid var(--csvs-blue-deep);
}

.csvs-feed-title {
  font-family: 'Lora', serif;
  font-size: 1rem;
  color: var(--csvs-blue-deep);
  font-weight: 600;
}

.csvs-feed-count {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.72rem;
  color: var(--csvs-text-light);
}

/* ── PUB CARDS ── */
.csvs-pub-card {
  background: var(--csvs-white);
  border: 1px solid var(--csvs-border-light);
  border-radius: 6px;
  padding: 1.6rem 1.8rem;
  margin-bottom: 1rem;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1rem;
  transition: border-color 0.2s, box-shadow 0.2s;
  position: relative;
  overflow: hidden;
}

.csvs-pub-card::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: var(--csvs-border);
  transition: background 0.2s;
}

.csvs-pub-card:hover {
  border-color: var(--csvs-blue-light);
  box-shadow: 0 2px 14px rgba(42,95,143,0.08);
}

.csvs-pub-card:hover::before { background: var(--csvs-blue-mid); }
.csvs-pub-card.type-dashboard::before { background: var(--csvs-teal); }
.csvs-pub-card.type-interactive::before { background: var(--csvs-gold); }

.csvs-pub-meta-top {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin-bottom: 0.6rem;
  flex-wrap: wrap;
}

.csvs-pub-type {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.65rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 0.18rem 0.55rem;
  border-radius: 3px;
}

.type-report      { background: var(--csvs-blue-pale);   color: var(--csvs-blue-mid); }
.type-dashboard   { background: var(--csvs-teal-light);  color: var(--csvs-teal); }
.type-interactive { background: var(--csvs-gold-pale);   color: var(--csvs-gold); }

.csvs-pub-date {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.68rem;
  color: var(--csvs-text-light);
}

.csvs-pub-topic-tag {
  font-size: 0.68rem;
  color: var(--csvs-text-light);
  background: var(--csvs-cream);
  padding: 0.12rem 0.5rem;
  border-radius: 10px;
  border: 1px solid var(--csvs-border-light);
}

.csvs-pub-title {
  font-family: 'Lora', serif;
  font-size: 1.05rem;
  color: var(--csvs-blue-deep);
  font-weight: 600;
  line-height: 1.35;
  margin-bottom: 0.55rem;
  text-decoration: none;
  display: block;
  transition: color 0.15s;
}

.csvs-pub-title:hover { color: var(--csvs-blue-mid); text-decoration: none; }

.csvs-pub-excerpt {
  font-size: 0.86rem;
  color: var(--csvs-text-light);
  line-height: 1.7;
  font-weight: 300;
  margin-bottom: 0.9rem;
}

.csvs-pub-footer {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  flex-wrap: wrap;
}

.csvs-pub-author {
  font-size: 0.78rem;
  color: var(--csvs-text-mid);
  font-weight: 500;
}

.csvs-pub-author span {
  color: var(--csvs-text-light);
  font-weight: 300;
}

.csvs-pub-formats {
  display: flex;
  gap: 0.35rem;
  margin-left: auto;
}

.csvs-format-chip {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.62rem;
  color: var(--csvs-text-light);
  border: 1px solid var(--csvs-border);
  border-radius: 3px;
  padding: 0.12rem 0.42rem;
  letter-spacing: 0.04em;
}

.csvs-pub-action {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  justify-content: center;
  min-width: 80px;
}

.csvs-pub-link {
  color: var(--csvs-blue-mid);
  font-size: 0.82rem;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.15s;
}

.csvs-pub-link:hover { color: var(--csvs-blue-deep); text-decoration: none; }

/* ── SIDEBAR ── */
.csvs-sidebar-block {
  background: var(--csvs-white);
  border: 1px solid var(--csvs-border-light);
  border-radius: 6px;
  padding: 1.4rem;
  margin-bottom: 1.3rem;
}

.csvs-sidebar-title {
  font-family: 'Lora', serif;
  font-size: 0.92rem;
  color: var(--csvs-blue-deep);
  font-weight: 600;
  margin-bottom: 1rem;
  padding-bottom: 0.65rem;
  border-bottom: 1px solid var(--csvs-border-light);
}

.csvs-about-text {
  font-size: 0.83rem;
  color: var(--csvs-text-mid);
  line-height: 1.7;
  font-weight: 300;
  margin-bottom: 0.75rem;
}

.csvs-sidebar-link {
  font-size: 0.82rem;
  color: var(--csvs-blue-mid);
  font-weight: 600;
  text-decoration: none;
  transition: color 0.15s;
}

.csvs-sidebar-link:hover { color: var(--csvs-blue-deep); }

.csvs-output-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.55rem;
}

.csvs-output-item {
  border: 1px solid var(--csvs-border-light);
  border-radius: 5px;
  padding: 0.65rem;
  text-align: center;
  text-decoration: none;
  transition: border-color 0.15s, background 0.15s;
  display: block;
}

.csvs-output-item:hover {
  border-color: var(--csvs-blue-light);
  background: var(--csvs-blue-pale);
  text-decoration: none;
}

.csvs-output-icon {
  font-size: 1.2rem;
  display: block;
  margin-bottom: 0.25rem;
}

.csvs-output-label {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.62rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--csvs-text-mid);
}

.csvs-topic-list { list-style: none; padding: 0; margin: 0; }

.csvs-topic-list li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.45rem 0;
  border-bottom: 1px solid var(--csvs-border-light);
  font-size: 0.83rem;
}

.csvs-topic-list li:last-child { border-bottom: none; }

.csvs-topic-list a {
  color: var(--csvs-text-mid);
  text-decoration: none;
  transition: color 0.15s;
}

.csvs-topic-list a:hover { color: var(--csvs-blue-mid); }

.csvs-topic-count {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.68rem;
  color: var(--csvs-text-light);
  background: var(--csvs-cream);
  padding: 0.08rem 0.4rem;
  border-radius: 10px;
}

/* ── CONTACT BLOCK ── */
.csvs-contact-block {
  background: var(--csvs-blue-deep);
  border: none;
}

.csvs-contact-block .csvs-sidebar-title {
  color: white;
  border-color: rgba(255,255,255,0.1);
}

.csvs-newsletter-text {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.55);
  line-height: 1.6;
  font-weight: 300;
  margin-bottom: 1rem;
}

.csvs-contact-btn {
  display: block;
  width: 100%;
  background: var(--csvs-blue-light);
  color: white;
  border: none;
  border-radius: 4px;
  padding: 0.6rem;
  font-family: 'IBM Plex Sans', sans-serif;
  font-size: 0.84rem;
  font-weight: 600;
  text-align: center;
  text-decoration: none;
  transition: background 0.2s;
}

.csvs-contact-btn:hover {
  background: #3a7fb5;
  color: white;
  text-decoration: none;
}

/* ── RESPONSIVE ── */
@media (max-width: 860px) {
  .csvs-main-layout {
    grid-template-columns: 1fr;
  }
  .csvs-sidebar { display: none; }
  .csvs-featured-banner {
    grid-template-columns: 1fr;
  }
}