/* ============================================
   ITECX Journal International - Main Stylesheet
   Professional Academic Journal Design
   ============================================ */

/* === CSS Variables === */
:root {
    --primary: #0a1628;
    --primary-light: #0f2140;
    --primary-dark: #060e1a;
    --accent: #1a73e8;
    --accent-light: #4a9af5;
    --accent-dark: #0d5bbd;
    --gold: #c8a84e;
    --gold-light: #dbc06a;
    --text: #333333;
    --text-light: #6c757d;
    --text-white: #f0f4f8;
    --bg: #ffffff;
    --bg-light: #f8f9fa;
    --bg-gray: #eef1f5;
    --border: #dee2e6;
    --success: #28a745;
    --danger: #dc3545;
    --warning: #ffc107;
    --shadow: 0 2px 15px rgba(0,0,0,0.08);
    --shadow-lg: 0 10px 40px rgba(0,0,0,0.12);
    --radius: 8px;
    --radius-lg: 16px;
    --transition: all 0.3s ease;
    --font-heading: 'Playfair Display', Georgia, serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
    --max-width: 1280px;
}

/* === Reset & Base === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; overflow-x: hidden; }
body {
    font-family: var(--font-body);
    color: var(--text);
    background: var(--bg);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
    width: 100%;
}
a { text-decoration: none; color: var(--accent); transition: var(--transition); }
a:hover { color: var(--accent-dark); }
img { max-width: 100%; height: auto; }
ul { list-style: none; }

.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* === Top Bar === */
.top-bar {
    background: var(--primary-dark);
    color: var(--text-white);
    font-size: 0.8rem;
    padding: 8px 0;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}
.top-bar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.top-bar-left { display: flex; gap: 20px; align-items: center; }
.top-bar-left span { display: flex; align-items: center; gap: 5px; opacity: 0.85; }
.top-bar-right { display: flex; gap: 15px; align-items: center; }
.top-bar-right a {
    color: var(--text-white);
    opacity: 0.85;
    font-size: 0.85rem;
}
.top-bar-right a:hover { opacity: 1; color: var(--gold); }
.social-links { display: flex; gap: 10px; }
.social-links a {
    width: 28px; height: 28px;
    display: flex; align-items: center; justify-content: center;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    color: var(--text-white);
    font-size: 0.75rem;
    transition: var(--transition);
}
.social-links a:hover { background: var(--accent); transform: translateY(-2px); }

/* === Header / Navbar === */
.main-header {
    background: var(--primary);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 4px 20px rgba(0,0,0,0.3);
}
.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0;
    min-height: 70px;
    position: relative;
}
.logo { display: flex; align-items: center; gap: 12px; }
.logo-text {
    display: flex;
    flex-direction: column;
}
.logo-text .brand {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: #fff;
    letter-spacing: 1px;
    line-height: 1.2;
}
.logo-text .brand span { color: var(--accent-light); }
.logo-text .tagline {
    font-size: 0.65rem;
    color: rgba(255,255,255,0.6);
    letter-spacing: 2px;
    text-transform: uppercase;
}
.logo img {
    height: 45px;
    width: auto;
}
.nav-menu { display: flex; align-items: center; gap: 0; }
.nav-menu a {
    color: rgba(255,255,255,0.85);
    font-size: 0.88rem;
    font-weight: 500;
    padding: 24px 16px;
    position: relative;
    letter-spacing: 0.3px;
    transition: var(--transition);
}
.nav-menu a:hover,
.nav-menu a.active {
    color: #fff;
    background: rgba(255,255,255,0.05);
}
.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 3px;
    background: var(--accent-light);
    transition: var(--transition);
    border-radius: 3px 3px 0 0;
}
.nav-menu a:hover::after,
.nav-menu a.active::after { width: 60%; }

.btn-submit {
    background: linear-gradient(135deg, var(--accent), var(--accent-dark));
    color: #fff !important;
    padding: 10px 22px !important;
    border-radius: 25px;
    font-weight: 600;
    font-size: 0.85rem !important;
    letter-spacing: 0.5px;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}
.btn-submit:hover {
    background: linear-gradient(135deg, var(--accent-light), var(--accent));
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(26,115,232,0.4);
}

/* Mobile menu */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: #fff;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 10px;
}

/* === Hero Section === */
.hero {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 50%, #0d2d5e 100%);
    position: relative;
    overflow: hidden;
    padding: 80px 0 90px;
    min-height: 500px;
    display: flex;
    align-items: center;
}
.hero::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.02'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.5;
}
.hero::after {
    content: '';
    position: absolute;
    top: -50%; right: -10%;
    width: 400px; height: 400px;
    background: radial-gradient(circle, rgba(26,115,232,0.15) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}
.hero .container {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}
.hero-content h1 {
    font-family: var(--font-heading);
    font-size: 2.8rem;
    color: #fff;
    line-height: 1.2;
    margin-bottom: 8px;
}
.hero-content h1 .highlight {
    color: var(--accent-light);
    display: block;
    font-style: italic;
}
.hero-content .hero-subtitle {
    font-size: 1.5rem;
    color: rgba(255,255,255,0.7);
    font-weight: 300;
    margin-bottom: 20px;
}
.hero-content p {
    color: rgba(255,255,255,0.75);
    font-size: 1rem;
    line-height: 1.8;
    margin-bottom: 30px;
    max-width: 520px;
}
.hero-buttons { display: flex; gap: 15px; flex-wrap: wrap; }
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 13px 28px;
    border-radius: 6px;
    font-weight: 600;
    font-size: 0.92rem;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    letter-spacing: 0.3px;
}
.btn-primary {
    background: linear-gradient(135deg, var(--accent), var(--accent-dark));
    color: #fff;
}
.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(26,115,232,0.4);
    color: #fff;
}
.btn-outline {
    background: transparent;
    color: #fff;
    border: 2px solid rgba(255,255,255,0.3);
}
.btn-outline:hover {
    background: rgba(255,255,255,0.1);
    border-color: rgba(255,255,255,0.6);
    color: #fff;
}

/* Hero right - journal info card */
.hero-journal-card {
    background: rgba(255,255,255,0.05);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-lg);
    padding: 35px;
    color: #fff;
}
.hero-journal-card h3 {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    display: flex;
    align-items: center;
    gap: 10px;
}
.journal-info-item {
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px solid rgba(255,255,255,0.05);
    font-size: 0.9rem;
}
.journal-info-item .label { color: rgba(255,255,255,0.6); }
.journal-info-item .value { font-weight: 600; color: var(--accent-light); }
.current-issue-link {
    display: block;
    text-align: center;
    margin-top: 20px;
    padding: 12px;
    background: linear-gradient(135deg, var(--accent), var(--accent-dark));
    border-radius: var(--radius);
    color: #fff;
    font-weight: 600;
    font-size: 0.9rem;
}
.current-issue-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(26,115,232,0.4);
    color: #fff;
}

/* === Features Strip === */
.features-strip {
    background: var(--bg);
    padding: 0;
    margin-top: -45px;
    position: relative;
    z-index: 10;
    overflow: hidden;
}
.features-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 0;
    background: #fff;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}
.feature-item {
    padding: 30px 20px;
    text-align: center;
    border-right: 1px solid var(--bg-gray);
    transition: var(--transition);
}
.feature-item:last-child { border-right: none; }
.feature-item:hover {
    background: var(--primary);
    color: #fff;
}
.feature-item:hover .feature-icon { color: var(--accent-light); }
.feature-item:hover h4 { color: #fff; }
.feature-item:hover p { color: rgba(255,255,255,0.7); }
.feature-icon {
    font-size: 2rem;
    color: var(--accent);
    margin-bottom: 12px;
    transition: var(--transition);
}
.feature-item h4 {
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 8px;
    transition: var(--transition);
}
.feature-item p {
    font-size: 0.78rem;
    color: var(--text-light);
    line-height: 1.5;
    transition: var(--transition);
}

/* === Stats Bar === */
.stats-bar {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    padding: 50px 0;
    margin-top: 60px;
}
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}
.stat-item {
    text-align: center;
    color: #fff;
}
.stat-number {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 700;
    color: var(--accent-light);
    line-height: 1;
    margin-bottom: 8px;
}
.stat-label {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    opacity: 0.75;
}

/* === Section Styles === */
.section {
    padding: 70px 0;
}
.section-dark {
    background: var(--bg-light);
}
.section-header {
    text-align: center;
    margin-bottom: 50px;
}
.section-header h2 {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    color: var(--primary);
    margin-bottom: 15px;
    position: relative;
    display: inline-block;
}
.section-header h2::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--accent);
    border-radius: 3px;
}
.section-header p {
    color: var(--text-light);
    font-size: 1.05rem;
    max-width: 600px;
    margin: 20px auto 0;
}

/* === Current Issue Section === */
.current-issue-section .issue-grid {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 40px;
    align-items: start;
}
.issue-cover {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}
.issue-cover img {
    width: 100%;
    display: block;
}
.issue-cover-placeholder {
    width: 100%;
    aspect-ratio: 3/4;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: #fff;
    padding: 30px;
    text-align: center;
}
.issue-cover-placeholder .journal-name {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    margin-bottom: 15px;
    line-height: 1.3;
}
.issue-cover-placeholder .vol-info {
    font-size: 1rem;
    opacity: 0.8;
    margin-bottom: 10px;
}
.issue-cover-placeholder .year-info {
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent-light);
}
.issue-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background: var(--accent);
    color: #fff;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}
.issue-details h3 {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    color: var(--primary);
    margin-bottom: 15px;
}
.issue-meta {
    display: flex;
    gap: 20px;
    margin-bottom: 25px;
    flex-wrap: wrap;
}
.issue-meta span {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.9rem;
    color: var(--text-light);
}
.article-list { margin-top: 0; }
.article-item {
    padding: 18px 0;
    border-bottom: 1px solid var(--border);
    display: flex;
    gap: 15px;
    align-items: flex-start;
    transition: var(--transition);
}
.article-item:hover { padding-left: 10px; }
.article-type-badge {
    flex-shrink: 0;
    padding: 4px 10px;
    background: var(--bg-gray);
    color: var(--accent);
    font-size: 0.7rem;
    font-weight: 600;
    border-radius: 4px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-top: 3px;
}
.article-info { flex: 1; }
.article-info h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 5px;
    line-height: 1.4;
}
.article-info h4 a {
    color: var(--primary);
}
.article-info h4 a:hover { color: var(--accent); }
.article-authors {
    font-size: 0.85rem;
    color: var(--text-light);
    margin-bottom: 4px;
}
.article-pages {
    font-size: 0.8rem;
    color: var(--text-light);
    display: flex;
    gap: 15px;
    align-items: center;
}
.article-pages a {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    color: var(--accent);
    font-weight: 500;
}

/* === Announcements === */
.announcements-section .announcement-list {
    max-width: 800px;
    margin: 0 auto;
}
.announcement-item {
    background: #fff;
    border-radius: var(--radius);
    padding: 20px 25px;
    margin-bottom: 15px;
    box-shadow: var(--shadow);
    border-left: 4px solid var(--accent);
    display: flex;
    gap: 15px;
    align-items: center;
    transition: var(--transition);
}
.announcement-item:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow-lg);
}
.announcement-item.call_for_papers { border-left-color: var(--success); }
.announcement-item.deadline { border-left-color: var(--danger); }
.announcement-item.event { border-left-color: var(--gold); }
.announcement-icon {
    flex-shrink: 0;
    width: 45px; height: 45px;
    background: var(--bg-gray);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: var(--accent);
}
.announcement-content h4 {
    font-size: 1rem;
    margin-bottom: 4px;
    color: var(--primary);
}
.announcement-content p {
    font-size: 0.85rem;
    color: var(--text-light);
}
.announcement-date {
    flex-shrink: 0;
    font-size: 0.8rem;
    color: var(--text-light);
}

/* === Indexing Section === */
.indexing-section {
    background: var(--bg-light);
    padding: 50px 0;
}
.indexing-logos {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 40px;
    flex-wrap: wrap;
}
.indexing-item {
    background: #fff;
    padding: 20px 30px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    font-weight: 600;
    color: var(--text-light);
    font-size: 0.95rem;
    transition: var(--transition);
}
.indexing-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
    color: var(--accent);
}

/* === Footer === */
.main-footer {
    background: var(--primary);
    color: var(--text-white);
    padding: 60px 0 0;
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-about .footer-logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 15px;
    display: block;
}
.footer-about .footer-logo span { color: var(--accent-light); }
.footer-about p {
    font-size: 0.88rem;
    line-height: 1.7;
    opacity: 0.75;
    margin-bottom: 20px;
}
.footer-section h4 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--accent);
    display: inline-block;
}
.footer-section ul li { margin-bottom: 10px; }
.footer-section ul li a {
    color: rgba(255,255,255,0.7);
    font-size: 0.88rem;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
}
.footer-section ul li a:hover { color: var(--accent-light); padding-left: 5px; }
.footer-contact-item {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
    font-size: 0.88rem;
    opacity: 0.8;
}
.footer-contact-item i { color: var(--accent-light); margin-top: 3px; }
.footer-bottom {
    padding: 20px 0;
    text-align: center;
    font-size: 0.82rem;
    opacity: 0.6;
}

/* === Page Header (Internal Pages) === */
.page-header {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    padding: 50px 0;
    position: relative;
    overflow: hidden;
}
.page-header::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='40' height='40' viewBox='0 0 40 40' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M20 20.5V18H0v-2h20v-2H0v-2h20v-2H0V8h20V6H0V4h20V2H0V0h22v20h2V0h2v20h2V0h2v20h2V0h2v20h2V0h2v22H20v-1.5zM0 20h2v20H0V20zm4 0h2v20H4V20zm4 0h2v20H8V20zm4 0h2v20h-2V20zm4 0h2v20h-2V20zm4 0h2v20h-2V20zM0 20h20v2H0v-2z' fill='%23ffffff' fill-opacity='0.02'/%3E%3C/svg%3E");
}
.page-header .container { position: relative; z-index: 2; }
.page-header h1 {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    color: #fff;
    margin-bottom: 10px;
}
.breadcrumb {
    display: flex;
    gap: 8px;
    align-items: center;
    font-size: 0.88rem;
    color: rgba(255,255,255,0.6);
}
.breadcrumb a { color: rgba(255,255,255,0.7); }
.breadcrumb a:hover { color: var(--accent-light); }
.breadcrumb .separator { font-size: 0.7rem; }

/* === Content Layout === */
.content-wrapper {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 40px;
    padding: 50px 0;
}
.main-content { min-width: 0; overflow: hidden; }

/* === Sidebar === */
.sidebar {}
.sidebar-widget {
    background: #fff;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 25px;
    margin-bottom: 25px;
    border-top: 3px solid var(--accent);
}
.sidebar-widget h3 {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    color: var(--primary);
    margin-bottom: 15px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border);
}
.sidebar-widget ul li {
    padding: 8px 0;
    border-bottom: 1px solid var(--bg-gray);
}
.sidebar-widget ul li:last-child { border-bottom: none; }
.sidebar-widget ul li a {
    color: var(--text);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 8px;
}
.sidebar-widget ul li a:hover { color: var(--accent); }

.search-box {
    display: flex;
    gap: 0;
}
.search-box input {
    flex: 1;
    padding: 10px 15px;
    border: 2px solid var(--border);
    border-right: none;
    border-radius: var(--radius) 0 0 var(--radius);
    font-size: 0.9rem;
    outline: none;
    transition: var(--transition);
}
.search-box input:focus { border-color: var(--accent); }
.search-box button {
    padding: 10px 18px;
    background: var(--accent);
    color: #fff;
    border: none;
    border-radius: 0 var(--radius) var(--radius) 0;
    cursor: pointer;
    transition: var(--transition);
}
.search-box button:hover { background: var(--accent-dark); }

/* Journal info widget */
.journal-info-widget .info-row {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    border-bottom: 1px solid var(--bg-gray);
    font-size: 0.88rem;
}
.journal-info-widget .info-row:last-child { border-bottom: none; }
.journal-info-widget .info-label { color: var(--text-light); }
.journal-info-widget .info-value { font-weight: 600; color: var(--primary); }

/* === Editorial Board Page === */
.board-section {
    margin-bottom: 40px;
}
.board-section h3 {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    color: var(--primary);
    margin-bottom: 25px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--accent);
    display: inline-block;
}
.board-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}
.board-card {
    background: #fff;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 25px;
    transition: var(--transition);
    border-bottom: 3px solid transparent;
    display: flex;
    gap: 15px;
    align-items: flex-start;
}
.board-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
    border-bottom-color: var(--accent);
}
.board-card-photo {
    width: 60px; height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.2rem;
    font-weight: 700;
    flex-shrink: 0;
}
.board-card-photo img {
    width: 100%; height: 100%;
    border-radius: 50%;
    object-fit: cover;
}
.board-card-info h4 {
    font-size: 0.95rem;
    color: var(--primary);
    margin-bottom: 3px;
}
.board-card-info .board-title {
    font-size: 0.8rem;
    color: var(--accent);
    font-weight: 500;
    margin-bottom: 3px;
}
.board-card-info .board-uni {
    font-size: 0.8rem;
    color: var(--text-light);
}
.board-card-info .board-country {
    font-size: 0.75rem;
    color: var(--text-light);
    display: flex;
    align-items: center;
    gap: 5px;
    margin-top: 3px;
}

/* Editor in Chief card - larger */
.board-card.chief {
    grid-column: span 2;
    padding: 30px;
    background: linear-gradient(135deg, #f8f9ff, #fff);
    border-left: 4px solid var(--gold);
}
.board-card.chief .board-card-photo {
    width: 80px; height: 80px;
    font-size: 1.5rem;
    background: linear-gradient(135deg, var(--gold), var(--gold-light));
}

/* === Archives Page === */
.volume-card {
    background: #fff;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    margin-bottom: 20px;
    overflow: hidden;
    transition: var(--transition);
}
.volume-card:hover { box-shadow: var(--shadow-lg); }
.volume-header {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: #fff;
    padding: 20px 25px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
}
.volume-header h3 {
    font-family: var(--font-heading);
    font-size: 1.2rem;
}
.volume-header .issue-count {
    background: rgba(255,255,255,0.15);
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
}
.volume-issues {
    padding: 20px 25px;
}
.issue-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
    border-bottom: 1px solid var(--bg-gray);
}
.issue-row:last-child { border-bottom: none; }
.issue-row-info h4 a {
    color: var(--primary);
    font-size: 1rem;
}
.issue-row-info h4 a:hover { color: var(--accent); }
.issue-row-info p {
    font-size: 0.85rem;
    color: var(--text-light);
    margin-top: 3px;
}
.issue-row-meta {
    display: flex;
    gap: 15px;
    align-items: center;
}
.issue-article-count {
    background: var(--bg-gray);
    padding: 4px 10px;
    border-radius: 15px;
    font-size: 0.8rem;
    color: var(--text-light);
}

/* === Article Detail Page === */
.article-detail {
    background: #fff;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 40px;
    overflow-wrap: break-word;
    word-wrap: break-word;
    max-width: 100%;
    overflow: hidden;
    word-wrap: break-word;
    min-width: 0;
}
.article-detail .article-type {
    display: inline-block;
    padding: 4px 14px;
    background: var(--bg-gray);
    color: var(--accent);
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: 20px;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 15px;
}
.article-detail h1 {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    color: var(--primary);
    line-height: 1.3;
    margin-bottom: 15px;
    overflow-wrap: break-word;
    word-wrap: break-word;
}
.article-detail .authors-list {
    font-size: 1rem;
    color: var(--text-light);
    margin-bottom: 5px;
}
.article-detail .affiliations {
    font-size: 0.85rem;
    color: var(--text-light);
    font-style: italic;
    margin-bottom: 20px;
}
.article-meta-bar {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    padding: 15px 20px;
    background: var(--bg-light);
    overflow-wrap: break-word;
    word-break: break-word;
    border-radius: var(--radius);
    margin-bottom: 25px;
    font-size: 0.85rem;
}
.article-meta-bar span {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--text-light);
}
.article-meta-bar span strong { color: var(--primary); }
.article-abstract {
    margin-bottom: 25px;
    overflow-wrap: break-word;
    word-wrap: break-word;
}
.article-abstract p {
    overflow-wrap: break-word;
    word-wrap: break-word;
    text-align: justify;
}
.article-abstract h3 {
    font-size: 1.1rem;
    color: var(--primary);
    margin-bottom: 10px;
    font-family: var(--font-heading);
}
.article-abstract p {
    text-align: justify;
    line-height: 1.8;
}
.article-keywords {
    margin-bottom: 25px;
}
.article-keywords h3 {
    font-size: 1.1rem;
    color: var(--primary);
    margin-bottom: 10px;
    font-family: var(--font-heading);
}
.keyword-tags { display: flex; gap: 8px; flex-wrap: wrap; }
.keyword-tag {
    padding: 5px 14px;
    background: var(--bg-gray);
    border-radius: 20px;
    font-size: 0.82rem;
    color: var(--text);
    transition: var(--transition);
}
.keyword-tag:hover { background: var(--accent); color: #fff; }
.article-actions {
    display: flex;
    gap: 12px;
    padding-top: 25px;
    border-top: 1px solid var(--border);
}
.btn-download {
    background: var(--success);
    color: #fff;
    padding: 12px 24px;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
}
.btn-download:hover {
    background: #218838;
    transform: translateY(-2px);
    color: #fff;
}

/* === Static Page Content === */
.page-content {
    background: #fff;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 40px;
    line-height: 1.8;
    overflow-wrap: break-word;
    word-wrap: break-word;
    min-width: 0;
}
.page-content h3 {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    color: var(--primary);
    margin: 25px 0 12px;
}
.page-content h3:first-child { margin-top: 0; }
.page-content ul, .page-content ol {
    margin: 10px 0;
    padding-left: 25px;
}
.page-content ul { list-style: disc; }
.page-content ol { list-style: decimal; }
.page-content li {
    margin-bottom: 6px;
    font-size: 0.95rem;
}
.page-content p {
    margin-bottom: 12px;
    font-size: 0.95rem;
}

/* === Contact Page === */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}
.contact-form {
    background: #fff;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 35px;
}
.form-group {
    margin-bottom: 20px;
}
.form-group label {
    display: block;
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 6px;
    color: var(--primary);
}
.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border);
    border-radius: var(--radius);
    font-size: 0.92rem;
    font-family: var(--font-body);
    outline: none;
    transition: var(--transition);
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(26,115,232,0.1);
}
.form-group textarea { min-height: 150px; resize: vertical; }
.btn-form {
    background: var(--accent);
    color: #fff;
    padding: 13px 35px;
    border: none;
    border-radius: var(--radius);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}
.btn-form:hover {
    background: var(--accent-dark);
    transform: translateY(-2px);
}
.contact-info-cards {
    display: flex;
    flex-direction: column;
    gap: 20px;
}
.contact-card {
    background: #fff;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 25px;
    display: flex;
    gap: 15px;
    align-items: flex-start;
    transition: var(--transition);
}
.contact-card:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow-lg);
}
.contact-card-icon {
    width: 50px; height: 50px;
    background: linear-gradient(135deg, var(--accent), var(--accent-dark));
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.2rem;
    flex-shrink: 0;
}
.contact-card h4 {
    font-size: 1rem;
    color: var(--primary);
    margin-bottom: 5px;
}
.contact-card p {
    font-size: 0.9rem;
    color: var(--text-light);
    line-height: 1.5;
}

/* === Search Results === */
.search-results .result-count {
    font-size: 0.95rem;
    color: var(--text-light);
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border);
}
.search-result-item {
    background: #fff;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 25px;
    margin-bottom: 15px;
    transition: var(--transition);
    border-left: 4px solid transparent;
}
.search-result-item:hover {
    border-left-color: var(--accent);
    box-shadow: var(--shadow-lg);
}
.search-result-item h3 {
    font-size: 1.1rem;
    margin-bottom: 8px;
}
.search-result-item h3 a { color: var(--primary); }
.search-result-item h3 a:hover { color: var(--accent); }
.search-result-item .result-meta {
    font-size: 0.85rem;
    color: var(--text-light);
    margin-bottom: 8px;
}
.search-result-item .result-abstract {
    font-size: 0.9rem;
    color: var(--text);
    line-height: 1.6;
}

/* === Pagination === */
.pagination {
    display: flex;
    justify-content: center;
    gap: 5px;
    margin-top: 30px;
}
.pagination a, .pagination span {
    padding: 8px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 0.9rem;
    color: var(--text);
    transition: var(--transition);
}
.pagination a:hover, .pagination .active {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
}

/* === Alert Messages === */
.alert {
    padding: 15px 20px;
    border-radius: var(--radius);
    margin-bottom: 20px;
    font-size: 0.92rem;
    display: flex;
    align-items: center;
    gap: 10px;
}
.alert-success { background: #d4edda; color: #155724; border: 1px solid #c3e6cb; }
.alert-danger { background: #f8d7da; color: #721c24; border: 1px solid #f5c6cb; }
.alert-info { background: #d1ecf1; color: #0c5460; border: 1px solid #bee5eb; }
.alert-warning { background: #fff3cd; color: #856404; border: 1px solid #ffeeba; }

/* === Empty State === */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-light);
}
.empty-state i {
    font-size: 3rem;
    margin-bottom: 15px;
    opacity: 0.3;
}
.empty-state h3 {
    font-size: 1.2rem;
    margin-bottom: 8px;
    color: var(--text);
}
.empty-state p {
    font-size: 0.95rem;
}

/* === Responsive === */
@media (max-width: 1024px) {
    .hero .container { grid-template-columns: 1fr; }
    .hero-journal-card { display: none; }
    .features-grid { grid-template-columns: repeat(3, 1fr); }
    .content-wrapper { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
    .board-card.chief { grid-column: span 1; }
    .contact-grid { grid-template-columns: 1fr; }
    .current-issue-section .issue-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .top-bar { display: none; }
    .menu-toggle { display: block; }
    .navbar { padding: 0 5px; }
    .nav-menu {
        display: none;
        position: absolute;
        top: 70px;
        left: 0; right: 0;
        background: var(--primary);
        flex-direction: column;
        padding: 10px 0;
        box-shadow: 0 10px 30px rgba(0,0,0,0.3);
        z-index: 999;
    }
    .nav-menu.active { display: flex; }
    .nav-menu a { padding: 14px 25px; }
    .nav-menu .btn-submit { margin: 10px 25px; text-align: center; justify-content: center; }
    .logo-text .brand { font-size: 1.2rem; }
    .logo-text .tagline { font-size: 0.55rem; letter-spacing: 1px; }
    .hero { padding: 40px 0 50px; }
    .hero-content h1 { font-size: 1.7rem; }
    .hero-content .hero-subtitle { font-size: 1.1rem; }
    .hero-content p { font-size: 0.9rem; }
    .features-grid { grid-template-columns: repeat(2, 1fr); }
    .feature-item { padding: 20px 15px; }
    .feature-item h4 { font-size: 0.75rem; }
    .feature-item p { font-size: 0.72rem; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
    .stat-number { font-size: 2.2rem; }
    .footer-grid { grid-template-columns: 1fr; }
    .article-detail { padding: 20px 15px; max-width: 100%; }
    .article-detail h1 { font-size: 1.3rem; }
    .page-content { padding: 20px 15px; }
    .content-wrapper { overflow: hidden; }
    .sidebar-widget { overflow-wrap: break-word; word-break: break-word; }
    .board-grid { grid-template-columns: 1fr; }
    .section { padding: 40px 0; }
    .section-header h2 { font-size: 1.5rem; }
    .page-header { padding: 30px 0; }
    .page-header h1 { font-size: 1.5rem; }

    /* Article list mobile fix */
    .article-item {
        flex-direction: column;
        gap: 8px;
    }
    .article-type-badge {
        align-self: flex-start;
        font-size: 0.65rem;
        padding: 3px 8px;
    }
    .article-info h4 { font-size: 0.92rem; }
    .article-pages {
        flex-wrap: wrap;
        gap: 8px;
        font-size: 0.75rem;
    }
    .article-authors { font-size: 0.8rem; }

    /* Issue row mobile */
    .issue-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
    .issue-row-meta { width: 100%; }

    /* Volume header mobile */
    .volume-header {
        padding: 15px;
        flex-wrap: wrap;
        gap: 8px;
    }
    .volume-header h3 { font-size: 1rem; }
    .volume-issues { padding: 15px; }

    /* Contact form */
    .contact-form { padding: 20px 15px; }

    /* Article actions */
    .article-actions { flex-wrap: wrap; }

    /* Hero buttons */
    .hero-buttons { flex-direction: column; gap: 10px; }
    .hero-buttons .btn { text-align: center; justify-content: center; }

    /* Breadcrumb */
    .breadcrumb { font-size: 0.78rem; flex-wrap: wrap; }
}

@media (max-width: 480px) {
    .container { padding: 0 15px; }
    .features-grid { grid-template-columns: 1fr; }
    .hero-content h1 { font-size: 1.4rem; }
    .hero-content .hero-subtitle { font-size: 1rem; }
    .article-meta-bar { flex-direction: column; gap: 8px; padding: 12px 15px; font-size: 0.8rem; }
    .stats-bar { padding: 35px 0; }
    .stat-number { font-size: 1.8rem; }
    .stat-label { font-size: 0.72rem; letter-spacing: 1px; }
    .section-header h2 { font-size: 1.3rem; }
    .section-header p { font-size: 0.9rem; }
    .article-detail { padding: 15px 12px; }
    .article-detail h1 { font-size: 1.15rem; }
    .article-meta-bar { padding: 10px 12px; }
    .keyword-tags { gap: 5px; }
    .keyword-tag { font-size: 0.75rem; padding: 4px 10px; }
    .announcement-item { flex-direction: column; gap: 10px; padding: 15px; }
    .announcement-date { align-self: flex-start; }
    .board-card { padding: 18px 15px; }
    .indexing-logos { gap: 15px; }
    .indexing-item { padding: 12px 18px; font-size: 0.82rem; }
    .search-result-item { padding: 18px 15px; }
}

/* === Animations === */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}
.animate-in {
    animation: fadeInUp 0.6s ease forwards;
}