/* ==========================================================================
   OASK Publishers - Open Access Page Styles (open-access.css)
   ========================================================================== */

/* Educational & Storytelling Hero */
.oa-hero-section {
  background: linear-gradient(135deg, #0D2342 0%, #15386B 60%, #1E4D94 100%);
  color: var(--white);
  padding: 55px 0 45px;
  position: relative;
  overflow: hidden;
  border-bottom: 3px solid var(--accent-orange);
}

.oa-hero-inner {
  max-width: 840px;
}

.oa-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: #D2E3F8;
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 6px 14px;
  border-radius: 20px;
  margin-bottom: 16px;
}

.oa-hero-title {
  font-family: var(--font-display);
  font-size: 2.75rem;
  font-weight: 700;
  color: var(--white);
  line-height: 1.2;
  margin-bottom: 14px;
}

.oa-hero-title span {
  color: var(--accent-orange);
}

.oa-hero-tagline {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 600;
  color: #E2EEFA;
  margin-bottom: 12px;
}

.oa-hero-desc {
  font-size: 0.96875rem;
  color: #B8D1F0;
  line-height: 1.65;
}

/* Editorial Split Section (Story + Visual Diagram) */
.oa-split-section {
  padding: 60px 0 50px;
  background-color: var(--white);
}

.oa-split-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  align-items: center;
}

.oa-story-text .section-tag {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  color: var(--primary-blue);
  background-color: #EBF3FC;
  padding: 4px 12px;
  border-radius: 4px;
  margin-bottom: 12px;
}

.oa-story-text h2 {
  font-family: var(--font-heading);
  font-size: 1.875rem;
  font-weight: 800;
  color: var(--dark-navy-blue);
  line-height: 1.3;
  margin-bottom: 16px;
}

.oa-story-text p {
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--text-dark);
  margin-bottom: 16px;
}

/* Open Access Visual Illustration Box */
.oa-visual-box {
  background: linear-gradient(145deg, #F8FAFD 0%, #EBF3FC 100%);
  border: 2px solid #D2E4F6;
  border-radius: 16px;
  padding: 32px 24px;
  text-align: center;
  box-shadow: 0 8px 25px rgba(40, 102, 177, 0.06);
}

.oa-visual-icon {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--white);
  border: 3px solid var(--accent-orange);
  color: var(--accent-orange);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  margin: 0 auto 16px;
  box-shadow: 0 4px 15px rgba(246, 130, 19, 0.2);
}

.oa-visual-box h3 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--dark-navy-blue);
  margin-bottom: 8px;
}

.oa-visual-box p {
  font-size: 0.8125rem;
  color: var(--text-muted);
  line-height: 1.55;
  margin-bottom: 20px;
}

.oa-visual-badges {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.oa-vbadge-item {
  display: flex;
  align-items: center;
  gap: 10px;
  background-color: var(--white);
  border: 1px solid var(--border-light);
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--dark-navy-blue);
  text-align: left;
}

.oa-vbadge-item i {
  color: #10B981;
  font-size: 1rem;
}

/* Open Access Journey Flow (Storytelling Flow) */
.oa-journey-section {
  padding: 55px 0 65px;
  background-color: #F8FAFD;
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}

.oa-journey-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 40px;
}

.oa-journey-header h2 {
  font-family: var(--font-heading);
  font-size: 1.875rem;
  font-weight: 800;
  color: var(--dark-navy-blue);
  margin-bottom: 8px;
}

.oa-journey-header p {
  font-size: 0.9375rem;
  color: var(--text-muted);
}

.oa-flow-track {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
  position: relative;
}

.oa-flow-node {
  background: var(--white);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 24px 16px;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.03);
  position: relative;
  transition: all var(--transition-normal);
}

.oa-flow-node:hover {
  border-color: var(--primary-blue);
  transform: translateY(-4px);
  box-shadow: 0 8px 25px rgba(40, 102, 177, 0.1);
}

.oa-flow-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background-color: #EBF3FC;
  color: var(--primary-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.125rem;
  margin: 0 auto 12px;
}

.oa-flow-node h4 {
  font-family: var(--font-heading);
  font-size: 0.9375rem;
  font-weight: 800;
  color: var(--dark-navy-blue);
  margin-bottom: 6px;
}

.oa-flow-node p {
  font-size: 0.75rem;
  color: var(--text-muted);
  line-height: 1.45;
  margin: 0;
}

/* CC BY 4.0 License Showcase */
.oa-license-section {
  padding: 60px 0;
  background-color: var(--white);
}

.oa-license-card {
  background: linear-gradient(135deg, #102A52 0%, #1B3F78 100%);
  color: var(--white);
  border-radius: 16px;
  padding: 40px 36px;
  box-shadow: 0 10px 30px rgba(16, 42, 82, 0.15);
}

.oa-license-header {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 24px;
  padding-bottom: 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}

.oa-cc-logo-badge {
  font-size: 2.75rem;
  color: var(--accent-orange);
}

.oa-license-header-text h3 {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 4px;
}

.oa-license-header-text p {
  font-size: 0.875rem;
  color: #D2E3F8;
  margin: 0;
}

.oa-license-permissions-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.oa-perm-item {
  background-color: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 10px;
  padding: 18px 16px;
}

.oa-perm-item h4 {
  font-family: var(--font-heading);
  font-size: 0.9375rem;
  font-weight: 800;
  color: #FFB366;
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.oa-perm-item p {
  font-size: 0.78125rem;
  color: #D2E3F8;
  line-height: 1.5;
  margin: 0;
}

/* Statistics & Publishing In Numbers (Data Blocks) */
.oa-stats-section {
  padding: 60px 0 70px;
  background-color: #F8FAFD;
}

.oa-stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.oa-stat-block {
  background-color: var(--white);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  padding: 32px 24px;
  text-align: center;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
}

.oa-stat-metric {
  font-family: var(--font-heading);
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--primary-blue);
  line-height: 1;
  margin-bottom: 10px;
}

.oa-stat-block h4 {
  font-family: var(--font-heading);
  font-size: 1.0625rem;
  font-weight: 800;
  color: var(--dark-navy-blue);
  margin-bottom: 8px;
}

.oa-stat-block p {
  font-size: 0.8125rem;
  color: var(--text-muted);
  line-height: 1.55;
  margin: 0;
}

/* Responsive adjustments for Open Access */
@media (max-width: 992px) {
  .oa-split-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  
  .oa-flow-track {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  
  .oa-license-permissions-grid {
    grid-template-columns: 1fr;
  }
  
  .oa-stats-grid {
    grid-template-columns: 1fr;
  }
}