/* ==========================================================================
   CARES & JOSAE - Modern Academic Theme
   Centre for Agricultural Research and Extension Services
   Federal University Dutse (FUD), Nigeria
   ========================================================================== */

:root {
  --fud-green-dark: #073822;
  --fud-green: #0e5a36;
  --fud-green-light: #167a4a;
  --fud-green-subtle: #e8f5ed;
  --fud-gold: #c98a1a;
  --fud-gold-light: #f5b041;
  --fud-gold-subtle: #fef8ec;
  --text-dark: #1e293b;
  --text-muted: #64748b;
  --bg-light: #f8fafc;
  --card-border: #e2e8f0;
  --shadow-sm: 0 2px 4px rgba(0,0,0,0.04);
  --shadow-md: 0 6px 18px rgba(0,0,0,0.06);
  --shadow-lg: 0 12px 30px rgba(0,0,0,0.1);
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-serif: 'Merriweather', Georgia, serif;
}

body {
  font-family: var(--font-sans);
  color: var(--text-dark);
  background-color: #ffffff;
  line-height: 1.65;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  color: var(--fud-green-dark);
  letter-spacing: -0.02em;
}

a {
  color: var(--fud-green);
  text-decoration: none;
  transition: all 0.2s ease-in-out;
}

a:hover {
  color: var(--fud-gold);
}

/* Top Bar */
.top-bar {
  background: var(--fud-green-dark);
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.85rem;
  padding: 6px 0;
  border-bottom: 2px solid var(--fud-gold);
}

.top-bar a {
  color: rgba(255, 255, 255, 0.85);
}

.top-bar a:hover {
  color: var(--fud-gold-light);
}

/* Navbar */
.main-navbar {
  background: #ffffff;
  box-shadow: var(--shadow-sm);
  padding: 12px 0;
  transition: all 0.3s ease;
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.fud-crest-img {
  height: 42px;
  max-height: 42px;
  width: auto;
  object-fit: contain;
  filter: drop-shadow(0 1px 3px rgba(0, 0, 0, 0.08));
  transition: transform 0.2s ease;
}

.footer-fud-logo {
  height: 44px;
  max-height: 44px;
  width: auto;
  object-fit: contain;
}

.navbar-brand:hover .fud-crest-img {
  transform: scale(1.03);
}

.brand-text h1 {
  font-size: 1.15rem;
  font-weight: 800;
  margin: 0;
  color: var(--fud-green-dark);
  line-height: 1.15;
}

.brand-text small {
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--fud-gold);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  display: block;
}

.nav-link {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-dark) !important;
  padding: 8px 14px !important;
  border-radius: 6px;
  transition: all 0.2s ease;
}

.nav-link:hover, .nav-link.active {
  color: var(--fud-green) !important;
  background-color: var(--fud-green-subtle);
}

.btn-journal-badge {
  background: linear-gradient(135deg, var(--fud-green), var(--fud-green-dark));
  color: #fff !important;
  border-radius: 20px;
  padding: 7px 18px !important;
  font-size: 0.88rem;
  box-shadow: 0 3px 8px rgba(14, 90, 54, 0.25);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.btn-journal-badge:hover {
  background: linear-gradient(135deg, var(--fud-gold), #b87910);
  color: #fff !important;
  transform: translateY(-1px);
}

/* Heroes */
.hero-cares {
  background: linear-gradient(135deg, rgba(7, 56, 34, 0.92), rgba(14, 90, 54, 0.88)), url('https://images.unsplash.com/photo-1592982537447-7440770cbfc9?auto=format&fit=crop&w=1600&q=80') center/cover no-repeat;
  color: #ffffff;
  padding: 85px 0;
  position: relative;
}

.hero-cares h1 {
  color: #ffffff;
  font-size: 2.85rem;
  font-weight: 800;
  line-height: 1.2;
}

.hero-cares .lead {
  font-size: 1.15rem;
  color: rgba(255, 255, 255, 0.92);
}

.hero-journal {
  background: linear-gradient(135deg, #073822 0%, #115735 100%);
  color: #ffffff;
  padding: 60px 0 50px;
  border-bottom: 4px solid var(--fud-gold);
}

.hero-journal h1 {
  color: #ffffff;
  font-size: 2.35rem;
  font-weight: 800;
}

.issn-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.25);
  padding: 5px 16px;
  border-radius: 20px;
  font-size: 0.88rem;
  font-weight: 600;
  color: #fde68a;
}

/* Feature Cards & Sections */
.section-padding {
  padding: 70px 0;
}

.section-title {
  margin-bottom: 45px;
  text-align: center;
}

.section-title h2 {
  font-size: 2.1rem;
  position: relative;
  display: inline-block;
  padding-bottom: 12px;
}

.section-title h2::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3.5px;
  background: var(--fud-gold);
  border-radius: 2px;
}

.section-title p {
  color: var(--text-muted);
  font-size: 1.05rem;
  max-width: 680px;
  margin: 10px auto 0;
}

.feature-card {
  background: #ffffff;
  border: 1px solid var(--card-border);
  border-radius: 12px;
  padding: 28px;
  height: 100%;
  transition: all 0.3s ease;
  box-shadow: var(--shadow-sm);
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(14, 90, 54, 0.3);
}

.feature-icon {
  width: 55px;
  height: 55px;
  border-radius: 12px;
  background: var(--fud-green-subtle);
  color: var(--fud-green);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 20px;
}

.feature-card:hover .feature-icon {
  background: var(--fud-green);
  color: #ffffff;
}

/* Journal Article Cards (JOSAE Table of Contents) */
.article-card {
  background: #ffffff;
  border: 1px solid var(--card-border);
  border-left: 4px solid var(--fud-green);
  border-radius: 8px;
  padding: 22px 24px;
  margin-bottom: 22px;
  box-shadow: var(--shadow-sm);
  transition: all 0.25s ease;
}

.article-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--fud-gold);
  border-left-color: var(--fud-gold);
}

.article-meta {
  font-size: 0.82rem;
  color: var(--text-muted);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
}

.article-badge {
  background-color: var(--fud-green-subtle);
  color: var(--fud-green-dark);
  font-weight: 600;
  font-size: 0.75rem;
  padding: 3px 8px;
  border-radius: 4px;
}

.article-title {
  font-size: 1.15rem;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 8px;
}

.article-title a {
  color: var(--fud-green-dark);
}

.article-title a:hover {
  color: var(--fud-gold);
}

.article-authors {
  font-size: 0.92rem;
  color: #475569;
  font-weight: 500;
  margin-bottom: 14px;
}

.article-actions {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
}

.abstract-collapse {
  background-color: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  padding: 16px;
  margin-top: 14px;
  font-size: 0.92rem;
  color: #334155;
  line-height: 1.65;
}

/* Editorial Board Cards */
.board-card {
  background: #ffffff;
  border: 1px solid var(--card-border);
  border-radius: 10px;
  padding: 20px;
  margin-bottom: 16px;
  box-shadow: var(--shadow-sm);
  display: flex;
  gap: 16px;
  align-items: flex-start;
  transition: all 0.2s ease;
}

.board-card:hover {
  border-color: var(--fud-green);
  box-shadow: var(--shadow-md);
}

.board-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--fud-green-subtle);
  color: var(--fud-green);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.board-info h5 {
  font-size: 1.05rem;
  margin-bottom: 3px;
  color: var(--fud-green-dark);
}

.board-info p {
  margin: 0;
  font-size: 0.88rem;
  color: var(--text-muted);
}

.guidelines-box {
  background: #ffffff;
  border: 1px solid var(--card-border);
  border-radius: 12px;
  padding: 32px;
  box-shadow: var(--shadow-sm);
}

.bank-detail-card {
  background: linear-gradient(135deg, #073822, #0e5a36);
  color: #ffffff;
  border-radius: 12px;
  padding: 26px;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.bank-detail-card::before {
  content: 'GTBANK';
  position: absolute;
  right: -10px;
  bottom: -15px;
  font-size: 4rem;
  font-weight: 900;
  color: rgba(255, 255, 255, 0.05);
  letter-spacing: 2px;
}

/* Sidebar & Quick Nav */
.sidebar-sticky {
  position: sticky;
  top: 90px;
}

.quick-nav-card {
  background: #ffffff;
  border: 1px solid var(--card-border);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  margin-bottom: 25px;
}

.quick-nav-header {
  background: var(--fud-green);
  color: #ffffff;
  padding: 14px 18px;
  font-weight: 700;
  font-size: 1rem;
}

.quick-nav-list a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 18px;
  border-bottom: 1px solid var(--card-border);
  color: var(--text-dark);
  font-size: 0.92rem;
  font-weight: 500;
}

.quick-nav-list a:last-child {
  border-bottom: none;
}

.quick-nav-list a:hover {
  background-color: var(--fud-green-subtle);
  color: var(--fud-green);
  padding-left: 22px;
}

/* Buttons */
.btn-primary-fud {
  background-color: var(--fud-green);
  border-color: var(--fud-green);
  color: #ffffff;
  font-weight: 600;
  padding: 10px 22px;
  border-radius: 6px;
  transition: all 0.2s ease;
}

.btn-primary-fud:hover {
  background-color: var(--fud-green-dark);
  border-color: var(--fud-green-dark);
  color: #ffffff;
  transform: translateY(-1px);
}

.btn-gold-fud {
  background-color: var(--fud-gold);
  border-color: var(--fud-gold);
  color: #ffffff;
  font-weight: 600;
  padding: 10px 22px;
  border-radius: 6px;
}

.btn-gold-fud:hover {
  background-color: #b0750e;
  border-color: #b0750e;
  color: #ffffff;
}

.btn-outline-fud {
  border: 1.5px solid var(--fud-green);
  color: var(--fud-green);
  font-weight: 600;
  padding: 8px 18px;
  border-radius: 6px;
  background: transparent;
}

.btn-outline-fud:hover {
  background-color: var(--fud-green);
  color: #ffffff;
}

/* Footer */
.main-footer {
  background: #052617;
  color: #cbd5e1;
  padding: 60px 0 25px;
  font-size: 0.92rem;
  border-top: 4px solid var(--fud-gold);
}

.main-footer h4, .main-footer h5 {
  color: #ffffff;
  margin-bottom: 20px;
  font-size: 1.1rem;
}

.main-footer a {
  color: #94a3b8;
}

.main-footer a:hover {
  color: var(--fud-gold-light);
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li {
  margin-bottom: 10px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 22px;
  margin-top: 45px;
  font-size: 0.85rem;
}

/* Search bar */
.search-journal-box {
  background: #ffffff;
  border-radius: 10px;
  padding: 18px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--card-border);
  margin-bottom: 30px;
}

.search-journal-box input {
  border-radius: 6px;
  border: 1.5px solid #cbd5e1;
  padding: 10px 14px;
}

.search-journal-box input:focus {
  border-color: var(--fud-green);
  box-shadow: 0 0 0 0.2rem rgba(14, 90, 54, 0.15);
}

/* Issue Cover Banner Card */
.issue-cover-card {
  background: #ffffff;
  border: 1px solid var(--card-border);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.issue-cover-header {
  background: linear-gradient(135deg, #073822, #0e5a36);
  color: #ffffff;
  padding: 30px 20px;
  text-align: center;
  border-bottom: 3px solid var(--fud-gold);
}

.issue-cover-header h3 {
  color: #ffffff;
  font-size: 1.35rem;
  margin-bottom: 4px;
}

.journal-cover-preview {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  box-shadow: var(--shadow-lg);
  padding: 20px;
  text-align: center;
}