/* ============================================================
   ZENITH — Page-specific styles
   ============================================================ */

/* Articles List Page */
.articles-filter {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.filter-btn {
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.5px;
  padding: 8px 18px;
  border: 1px solid var(--color-border);
  border-radius: 30px;
  background: var(--color-white);
  color: var(--color-text);
  cursor: pointer;
  transition: all var(--transition);
}

.filter-btn.active,
.filter-btn:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-secondary);
}

/* Research page */
.research-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
}

.research-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.research-card-year {
  font-family: var(--font-heading);
  font-size: 46px;
  font-weight: 700;
  color: rgba(10, 17, 40, 0.07);
  line-height: 1;
  margin-bottom: -10px;
}

.research-card-title {
  font-family: var(--font-heading);
  font-size: 19px;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 10px;
  line-height: 1.35;
}

.research-card-meta {
  display: flex;
  gap: 16px;
  font-size: 13px;
  color: #7A8C96;
  margin-bottom: 14px;
  flex-wrap: wrap;
}

.research-card-text {
  font-size: 15px;
  color: #4E6171;
  line-height: 1.65;
  margin-bottom: 20px;
}

/* Education page */
.course-row {
  display: grid;
  grid-template-columns: 1fr 3fr;
  gap: 30px;
  border-bottom: 1px solid var(--color-border);
  padding: 28px 0;
  align-items: start;
}

.course-level {
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 6px;
}

.course-title {
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 10px;
}

.course-desc {
  font-size: 15px;
  color: #4E6171;
}

.course-credits {
  font-family: var(--font-heading);
  font-size: 28px;
  font-weight: 700;
  color: var(--color-primary);
  text-align: center;
}

.course-credits span {
  display: block;
  font-size: 12px;
  color: #7A8C96;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-top: 4px;
}

/* Profile cards (about page) */
.team-card {
  text-align: center;
}

.team-card .card-img {
  height: 260px;
  border-radius: var(--radius) var(--radius) 0 0;
}

.team-role {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 6px;
  display: block;
}

.team-name {
  font-family: var(--font-heading);
  font-size: 19px;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 10px;
}

.team-bio {
  font-size: 14px;
  color: #4E6171;
  line-height: 1.65;
}

/* Values/methodology block */
.value-block {
  position: relative;
  padding: 36px 28px;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
}

.value-block:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.value-number {
  position: absolute;
  top: 20px;
  right: 22px;
  font-family: var(--font-heading);
  font-size: 60px;
  font-weight: 700;
  color: rgba(10, 17, 40, 0.05);
  line-height: 1;
}

.value-icon {
  width: 52px;
  height: 52px;
  background: rgba(192, 161, 107, 0.12);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: 18px;
}

.value-block h4 {
  color: var(--color-primary);
  margin-bottom: 10px;
}

.value-block p {
  font-size: 14px;
  color: #4E6171;
  margin: 0;
}

/* Digital journalism specific */
.trend-item {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 24px;
  align-items: start;
  padding: 24px 0;
  border-bottom: 1px solid var(--color-border);
}

.trend-number {
  font-family: var(--font-heading);
  font-size: 54px;
  font-weight: 700;
  color: rgba(10, 17, 40, 0.07);
  line-height: 1;
  text-align: center;
  padding-top: 4px;
}

/* Hero image block with text overlay */
.split-hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 480px;
}

.split-hero-img {
  position: relative;
  overflow: hidden;
}

.split-hero-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.split-hero-content {
  background: var(--color-primary);
  padding: 70px 60px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.split-hero-content h2 {
  color: var(--color-secondary);
  margin-bottom: 20px;
}

.split-hero-content p {
  color: rgba(253, 251, 246, 0.78);
  margin-bottom: 28px;
}

@media (max-width: 768px) {
  .split-hero { grid-template-columns: 1fr; }
  .split-hero-img { height: 260px; }
  .split-hero-content { padding: 40px 28px; }
  .course-row { grid-template-columns: 1fr; }
  .trend-item { grid-template-columns: 1fr; }
  .trend-number { font-size: 36px; }
}