@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@300;400;500;600;700;800&display=swap');

/* --- CUSTOM VARIABLES --- */
:root {
    /* Color Palette (HSL) */
    --primary-h: 224;
    --primary-s: 76%;
    --primary-l: 15%;
    
    --primary: hsl(var(--primary-h), var(--primary-s), var(--primary-l));
    --primary-light: hsl(var(--primary-h), var(--primary-s), 25%);
    --primary-ultra-light: hsl(var(--primary-h), var(--primary-s), 96%);
    
    --accent-h: 174;
    --accent-s: 85%;
    --accent-l: 40%;
    
    --accent: hsl(var(--accent-h), var(--accent-s), var(--accent-l));
    --accent-dark: hsl(var(--accent-h), var(--accent-s), 30%);
    --accent-light: hsl(var(--accent-h), var(--accent-s), 94%);
    
    --dark-h: 220;
    --dark-s: 24%;
    --dark-l: 12%;
    --dark: hsl(var(--dark-h), var(--dark-s), var(--dark-l));
    
    --light-h: 210;
    --light-s: 40%;
    --light-l: 98%;
    --light: hsl(var(--light-h), var(--light-s), var(--light-l));
    
    --text-dark: hsl(var(--dark-h), var(--dark-s), 20%);
    --text-muted: hsl(var(--dark-h), var(--dark-s), 50%);
    --border-color: hsl(var(--dark-h), 12%, 88%);
    
    /* Layout Constants */
    --max-width: 1280px;
    --header-height: 95px;
    --border-radius-sm: 8px;
    --border-radius-md: 16px;
    --border-radius-lg: 24px;
    
    /* Typography */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    /* Elevation Shadows */
    --shadow-sm: 0 4px 10px rgba(0, 0, 0, 0.03);
    --shadow-md: 0 10px 30px rgba(11, 27, 61, 0.05);
    --shadow-lg: 0 20px 50px rgba(11, 27, 61, 0.1);
    --shadow-accent: 0 10px 30px rgba(0, 191, 165, 0.2);
    
    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

/* --- BASICS & RESET --- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--light);
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--primary);
    line-height: 1.2;
}

p {
    margin-bottom: 1.2rem;
    color: var(--text-dark);
}

a {
    color: var(--accent-dark);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--accent);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* --- UTILITY CLASSES --- */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 2rem;
}

.section-padding {
    padding: 6rem 0;
}

.text-center {
    text-align: center;
}

.text-gradient {
    background: linear-gradient(135deg, var(--primary) 30%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

.flex {
    display: flex;
}

.align-center {
    align-items: center;
}

.justify-between {
    justify-content: space-between;
}

.grid {
    display: grid;
    gap: 2rem;
}

.grid-2 {
    grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
    grid-template-columns: repeat(4, 1fr);
}

/* Card Styles */
.card {
    background: #ffffff;
    border-radius: var(--border-radius-md);
    padding: 2.5rem;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.card:hover::before {
    transform: scaleX(1);
}

.card-glass {
    background: rgba(255, 255, 255, 0.75);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.4);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.card-glass:hover {
    background: rgba(255, 255, 255, 0.85);
    box-shadow: var(--shadow-lg);
}

/* Badge Styles */
.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-primary {
    background-color: var(--primary-ultra-light);
    color: var(--primary);
}

.badge-accent {
    background-color: var(--accent-light);
    color: var(--accent-dark);
}

/* Button Styles */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.8rem 2rem;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.95rem;
    border-radius: 50px;
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition);
    gap: 0.5rem;
    white-space: nowrap;
}

.btn-primary {
    background: var(--primary);
    color: #ffffff;
}

.btn-primary:hover {
    background: var(--primary-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-accent {
    background: var(--accent);
    color: #ffffff;
}

.btn-accent:hover {
    background: var(--accent-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-accent);
}

.btn-outline {
    background: transparent;
    border-color: var(--primary);
    color: var(--primary);
}

.btn-outline:hover {
    background: var(--primary);
    color: #ffffff;
    transform: translateY(-2px);
}

.btn-outline-white {
    background: transparent;
    border-color: #ffffff;
    color: #ffffff;
}

.btn-outline-white:hover {
    background: #ffffff;
    color: var(--primary);
    transform: translateY(-2px);
}

/* Form Styles */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-family: var(--font-heading);
    font-weight: 500;
    color: var(--primary);
}

.form-control {
    width: 100%;
    padding: 0.8rem 1.2rem;
    font-family: var(--font-body);
    font-size: 0.95rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    outline: none;
    transition: var(--transition);
    background-color: #ffffff;
}

.form-control:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(0, 191, 165, 0.15);
}

textarea.form-control {
    resize: vertical;
    min-height: 120px;
}

/* --- HEADER SECTION --- */
.header-wrapper {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(11, 27, 61, 0.05);
    z-index: 1000;
    transition: var(--transition);
}

.header-wrapper.scrolled {
    height: 75px;
    background: rgba(255, 255, 255, 0.95);
    box-shadow: var(--shadow-md);
}

.header-container {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.logo img {
    transition: var(--transition);
    display: block;
    max-width: 100%;
    height: auto;
}

#header-logo-img {
    height: 78px;
    width: auto;
}

.logo:hover img {
    transform: scale(1.03);
}

.header-wrapper.scrolled .logo img {
    height: 58px !important;
}

#footer-logo-img {
    height: 95px;
    width: auto;
}


.logo-icon {
    width: 42px;
    height: 42px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    font-weight: 800;
    font-family: var(--font-heading);
    font-size: 1.4rem;
    box-shadow: var(--shadow-accent);
}

.logo-text {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.35rem;
    letter-spacing: -0.5px;
    line-height: 1.1;
}

.logo-text span {
    display: block;
    font-size: 0.75rem;
    font-family: var(--font-body);
    font-weight: 500;
    color: var(--text-muted);
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.nav-menu {
    display: flex;
    gap: 2.2rem;
    align-items: center;
}

.nav-link {
    font-family: var(--font-heading);
    font-weight: 500;
    color: var(--primary);
    position: relative;
    padding: 0.4rem 0;
    font-size: 0.95rem;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--accent);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.nav-link:hover::after,
.nav-link.active::after {
    transform: scaleX(1);
    transform-origin: left;
}

.nav-link:hover,
.nav-link.active {
    color: var(--accent-dark);
}

.mobile-menu-btn {
    display: none;
    font-size: 1.8rem;
    color: var(--primary);
    cursor: pointer;
    background: transparent;
    border: none;
}

/* --- BANNER / PAGE HERO --- */
.page-hero {
    background: linear-gradient(135deg, hsl(var(--primary-h), var(--primary-s), 8%) 0%, hsl(var(--primary-h), 50%, 18%) 100%);
    color: #ffffff;
    padding: 8rem 0 4.5rem;
    position: relative;
    overflow: hidden;
}

.page-hero::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(0, 191, 165, 0.15) 0%, transparent 70%);
    border-radius: 50%;
}

.page-hero-title {
    font-size: 2.8rem;
    color: #ffffff;
    margin-bottom: 0.8rem;
}

.page-hero-subtitle {
    font-size: 1.15rem;
    color: rgba(255, 255, 255, 0.7);
    max-width: 600px;
}

/* Breadcrumbs */
.breadcrumbs {
    margin-top: 1.5rem;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.5);
    display: flex;
    gap: 0.5rem;
}

.breadcrumbs a {
    color: rgba(255, 255, 255, 0.7);
}

.breadcrumbs a:hover {
    color: var(--accent);
}

/* --- FOOTER SECTION --- */
.footer-wrapper {
    background-color: var(--dark);
    color: rgba(255, 255, 255, 0.7);
    padding: 5rem 0 2rem;
    font-size: 0.95rem;
    border-top: 5px solid var(--accent);
}

.footer-top {
    margin-bottom: 3.5rem;
}

.footer-logo {
    margin-bottom: 1.5rem;
}

.footer-logo .logo-icon {
    box-shadow: none;
}

.footer-logo .logo-text {
    color: #ffffff;
}

.footer-logo .logo-text span {
    color: rgba(255, 255, 255, 0.5);
}

.footer-col h4 {
    color: #ffffff;
    font-size: 1.15rem;
    margin-bottom: 1.5rem;
    position: relative;
    padding-bottom: 0.5rem;
}

.footer-col h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background-color: var(--accent);
}

.footer-col ul li {
    margin-bottom: 0.8rem;
}

.footer-col ul li a {
    color: rgba(255, 255, 255, 0.65);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-col ul li a:hover {
    color: var(--accent);
    transform: translateX(3px);
}

.footer-newsletter p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
    margin-bottom: 1.2rem;
}

.newsletter-form {
    display: flex;
    border-radius: var(--border-radius-sm);
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.newsletter-form input {
    flex-grow: 1;
    border: none;
    padding: 0.8rem 1rem;
    outline: none;
    font-family: var(--font-body);
}

.newsletter-form button {
    background-color: var(--accent);
    color: #ffffff;
    border: none;
    padding: 0 1.2rem;
    cursor: pointer;
    transition: var(--transition);
}

.newsletter-form button:hover {
    background-color: var(--accent-dark);
}

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.45);
}

.footer-bottom-links {
    display: flex;
    gap: 1.5rem;
}

.footer-bottom-links a {
    color: rgba(255, 255, 255, 0.45);
}

.footer-bottom-links a:hover {
    color: var(--accent);
}

/* --- HOME PAGE SPECIFIC STYLES --- */

/* Hero Banner Home */
.hero-home {
    background: linear-gradient(135deg, hsl(var(--primary-h), var(--primary-s), 6%) 0%, hsl(var(--primary-h), 50%, 15%) 100%);
    color: #ffffff;
    padding: 10rem 0 7rem;
    position: relative;
    overflow: hidden;
}

.hero-home::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100px;
    background: linear-gradient(to top, var(--light) 0%, transparent 100%);
    pointer-events: none;
}

.hero-home-glow {
    position: absolute;
    top: -10%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0, 191, 165, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.hero-grid {
    grid-template-columns: 1.2fr 0.8fr;
    align-items: center;
}

.hero-content h1 {
    font-size: 3.6rem;
    color: #ffffff;
    font-weight: 800;
    letter-spacing: -1px;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.hero-content h1 span {
    color: var(--accent);
    display: block;
}

.hero-description {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 2.2rem;
    max-width: 600px;
    line-height: 1.5;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    margin-bottom: 2.5rem;
}

.hero-search-wrapper {
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 100px;
    padding: 0.35rem 0.35rem 0.35rem 1.5rem;
    display: flex;
    align-items: center;
    max-width: 580px;
}

.hero-search-wrapper i {
    color: var(--accent);
    font-size: 1.2rem;
    margin-right: 0.8rem;
}

.hero-search-wrapper input {
    background: transparent;
    border: none;
    outline: none;
    color: #ffffff;
    font-family: var(--font-body);
    font-size: 0.95rem;
    flex-grow: 1;
    padding-right: 1rem;
}

.hero-search-wrapper input::placeholder {
    color: rgba(255, 255, 255, 0.45);
}

.hero-search-wrapper .btn {
    padding: 0.7rem 1.6rem;
}

.hero-metrics-pill {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--border-radius-md);
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    backdrop-filter: blur(10px);
}

.hero-metrics-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.2rem;
}

.hero-metrics-pill .num {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--accent);
    line-height: 1;
    margin-bottom: 0.2rem;
}

.hero-metrics-pill .label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: rgba(255, 255, 255, 0.6);
    font-weight: 500;
}

/* Aims and Scope & Highlights */
.section-header {
    max-width: 700px;
    margin: 0 auto 4.5rem;
}

.section-header h2 {
    font-size: 2.4rem;
    margin-bottom: 0.8rem;
    letter-spacing: -0.5px;
}

.section-header p {
    color: var(--text-muted);
    font-size: 1.1rem;
}

/* Disciplines Grid */
.disciplines-grid {
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

.discipline-card {
    background-color: #ffffff;
    border-radius: var(--border-radius-md);
    padding: 2rem;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    display: flex;
    gap: 1.2rem;
    align-items: flex-start;
}

.discipline-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.discipline-icon {
    width: 50px;
    height: 50px;
    border-radius: var(--border-radius-sm);
    background-color: var(--primary-ultra-light);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    flex-shrink: 0;
    transition: var(--transition);
}

.discipline-card:hover .discipline-icon {
    background-color: var(--accent);
    color: #ffffff;
    box-shadow: var(--shadow-accent);
}

.discipline-info h3 {
    font-size: 1.15rem;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

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

/* Key Metrics Section */
.metrics-section {
    background: linear-gradient(135deg, var(--primary) 0%, hsl(var(--primary-h), var(--primary-s), 22%) 100%);
    color: #ffffff;
    position: relative;
    overflow: hidden;
}

.metrics-section::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(0, 191, 165, 0.08) 0%, transparent 60%);
    pointer-events: none;
}

.metrics-section-title {
    color: #ffffff !important;
}

.metric-box {
    text-align: center;
    padding: 1.5rem;
    position: relative;
}

.metric-box:not(:last-child)::after {
    content: '';
    position: absolute;
    top: 20%;
    right: 0;
    width: 1px;
    height: 60%;
    background-color: rgba(255, 255, 255, 0.15);
}

.metric-box .val {
    font-family: var(--font-heading);
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--accent);
    margin-bottom: 0.2rem;
    line-height: 1;
}

.metric-box .lbl {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.7);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Featured / Recent Articles */
.articles-tabs {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
}

.tab-btn {
    background: #ffffff;
    border: 1px solid var(--border-color);
    padding: 0.6rem 1.6rem;
    border-radius: 50px;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition);
}

.tab-btn.active,
.tab-btn:hover {
    background-color: var(--primary);
    color: #ffffff;
    border-color: var(--primary);
}

.article-row {
    background: #ffffff;
    border-radius: var(--border-radius-md);
    padding: 2rem;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    margin-bottom: 1.5rem;
    transition: var(--transition);
}

.article-row:hover {
    box-shadow: var(--shadow-md);
    border-color: rgba(0, 191, 165, 0.3);
}

.article-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.8rem;
}

.article-meta {
    font-size: 0.85rem;
    color: var(--text-muted);
    display: flex;
    gap: 1rem;
}

.article-title {
    font-size: 1.35rem;
    margin-bottom: 0.6rem;
    line-height: 1.3;
}

.article-title a {
    color: var(--primary);
}

.article-title a:hover {
    color: var(--accent-dark);
}

.article-authors {
    font-size: 0.95rem;
    font-weight: 500;
    margin-bottom: 0.8rem;
}

.article-abstract {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 1.2rem;
    border-left: 3px solid var(--border-color);
    padding-left: 1rem;
    display: none; /* Interactive Toggle */
}

.article-abstract.show {
    display: block;
    animation: slideDown 0.3s ease-out;
}

.article-actions {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.article-actions .btn {
    padding: 0.5rem 1.2rem;
    font-size: 0.85rem;
}

.abstract-toggle-btn {
    background: none;
    border: none;
    color: var(--accent-dark);
    font-weight: 600;
    cursor: pointer;
    font-family: var(--font-heading);
    font-size: 0.88rem;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
}

.abstract-toggle-btn:hover {
    color: var(--accent);
}

/* Indexing Logos Grid */
.indexing-grid {
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 2rem;
    align-items: center;
    justify-items: center;
}

.indexing-logo {
    background: #ffffff;
    padding: 1.2rem;
    border-radius: var(--border-radius-sm);
    border: 1px solid var(--border-color);
    width: 100%;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    filter: grayscale(100%);
    opacity: 0.6;
}

.indexing-logo:hover {
    filter: grayscale(0%);
    opacity: 1;
    box-shadow: var(--shadow-sm);
    transform: translateY(-2px);
    border-color: rgba(11, 27, 61, 0.1);
}

.indexing-logo span {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.1rem;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: -0.5px;
}

.indexing-logo span.cyan {
    color: var(--accent);
}

/* Call to Action Grid */
.cta-home-grid {
    grid-template-columns: 1fr 1fr;
}

.cta-box-glass {
    border-radius: var(--border-radius-md);
    padding: 3rem;
    color: #ffffff;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 280px;
    position: relative;
    overflow: hidden;
}

.cta-box-glass::after {
    content: '';
    position: absolute;
    bottom: -30px;
    right: -30px;
    width: 140px;
    height: 140px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.05);
}

.cta-box-glass.cta-blue {
    background: linear-gradient(135deg, var(--primary) 0%, hsl(var(--primary-h), var(--primary-s), 25%) 100%);
}

.cta-box-glass.cta-teal {
    background: linear-gradient(135deg, var(--accent-dark) 0%, var(--accent) 100%);
    box-shadow: var(--shadow-accent);
}

.cta-box-glass h3 {
    color: #ffffff;
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
}

.cta-box-glass p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1rem;
    margin-bottom: 2rem;
}

/* --- ABOUT & BOARD PAGE STYLES --- */
.about-sections-nav {
    display: flex;
    justify-content: center;
    border-bottom: 2px solid var(--border-color);
    margin-bottom: 4rem;
}

.about-nav-btn {
    background: none;
    border: none;
    border-bottom: 3px solid transparent;
    padding: 1rem 2rem;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1.05rem;
    color: var(--text-muted);
    cursor: pointer;
    transition: var(--transition);
}

.about-nav-btn:hover {
    color: var(--primary);
}

.about-nav-btn.active {
    color: var(--accent-dark);
    border-bottom-color: var(--accent);
}

.about-tab-content {
    display: none;
    animation: fadeIn 0.4s ease-in-out;
}

.about-tab-content.active {
    display: block;
}

/* Editorial Board Layout */
.editorial-board-sec {
    margin-bottom: 4rem;
}

.editorial-group-title {
    font-size: 1.6rem;
    margin: 2rem 0 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--primary-ultra-light);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.editorial-group-title span {
    font-size: 0.85rem;
    font-family: var(--font-body);
    font-weight: 500;
    background: var(--primary-ultra-light);
    color: var(--primary);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
}

.board-card {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: 2rem;
    transition: var(--transition);
}

.board-card:hover {
    box-shadow: var(--shadow-md);
    border-color: rgba(0, 191, 165, 0.3);
}

.board-avatar {
    width: 65px;
    height: 65px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-ultra-light) 0%, var(--accent-light) 100%);
    color: var(--primary);
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.4rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.2rem;
    border: 2px solid var(--border-color);
}

.board-card h4 {
    font-size: 1.15rem;
    margin-bottom: 0.3rem;
}

.board-role {
    font-size: 0.82rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--accent-dark);
    margin-bottom: 0.6rem;
}

.board-inst {
    font-size: 0.88rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.board-meta {
    font-size: 0.8rem;
    color: var(--text-dark);
}

/* Peer Review Diagram */
.review-steps {
    display: flex;
    justify-content: space-between;
    margin-top: 3rem;
    position: relative;
}

.review-steps::before {
    content: '';
    position: absolute;
    top: 35px;
    left: 10%;
    width: 80%;
    height: 2px;
    background-color: var(--border-color);
    z-index: 1;
}

.review-step {
    flex: 1;
    text-align: center;
    position: relative;
    z-index: 2;
    padding: 0 1rem;
}

.review-step-circle {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background-color: #ffffff;
    border: 3px solid var(--border-color);
    margin: 0 auto 1.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    transition: var(--transition);
}

.review-step:hover .review-step-circle {
    border-color: var(--accent);
    background-color: var(--accent-light);
    color: var(--accent-dark);
    box-shadow: var(--shadow-accent);
}

.review-step h4 {
    font-size: 1.05rem;
    margin-bottom: 0.4rem;
}

.review-step p {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* --- ARCHIVES PAGE STYLES --- */
.archives-layout {
    grid-template-columns: 280px 1fr;
    align-items: flex-start;
}

.archive-sidebar {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: 1.8rem;
    position: sticky;
    top: 100px;
}

.archive-sidebar h3 {
    font-size: 1.15rem;
    margin-bottom: 1.2rem;
}

.volume-list li {
    margin-bottom: 0.6rem;
}

.volume-trigger {
    width: 100%;
    background: none;
    border: none;
    text-align: left;
    padding: 0.6rem 0.8rem;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.92rem;
    color: var(--primary);
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
}

.volume-trigger:hover,
.volume-trigger.active {
    background-color: var(--primary-ultra-light);
}

.volume-trigger.active {
    color: var(--accent-dark);
}

.issue-submenu {
    padding-left: 1rem;
    margin-top: 0.4rem;
    margin-bottom: 0.8rem;
    display: none;
}

.volume-trigger.active + .issue-submenu {
    display: block;
}

.issue-submenu li {
    margin-bottom: 0.3rem;
}

.issue-btn {
    width: 100%;
    background: none;
    border: none;
    text-align: left;
    padding: 0.4rem 0.6rem;
    font-size: 0.85rem;
    font-family: var(--font-body);
    font-weight: 500;
    color: var(--text-dark);
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: var(--transition);
}

.issue-btn:hover,
.issue-btn.active {
    background-color: var(--accent-light);
    color: var(--accent-dark);
}

.archive-search-container {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: 1.5rem;
    margin-bottom: 2rem;
    display: flex;
    gap: 1rem;
}

.archive-search-input-wrapper {
    flex-grow: 1;
    position: relative;
}

.archive-search-input-wrapper input {
    width: 100%;
    padding: 0.8rem 1.2rem 0.8rem 2.5rem;
    border-radius: var(--border-radius-sm);
    border: 1px solid var(--border-color);
    outline: none;
    font-family: var(--font-body);
}

.archive-search-input-wrapper i {
    position: absolute;
    left: 0.9rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
}

.archive-search-container select {
    padding: 0.8rem 1.2rem;
    border-radius: var(--border-radius-sm);
    border: 1px solid var(--border-color);
    font-family: var(--font-body);
    outline: none;
    background: #ffffff;
    min-width: 180px;
}

/* PDF Modal Previewer */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(11, 27, 61, 0.6);
    backdrop-filter: blur(8px);
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.modal-overlay.show {
    display: flex;
    opacity: 1;
}

.modal-container {
    background-color: #ffffff;
    width: 90%;
    max-width: 900px;
    max-height: 85vh;
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transform: scale(0.9);
    transition: transform 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.modal-overlay.show .modal-container {
    transform: scale(1);
}

.modal-header {
    padding: 1.5rem 2rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    font-size: 1.25rem;
    max-width: 80%;
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.8rem;
    color: var(--text-muted);
    cursor: pointer;
    transition: var(--transition);
}

.modal-close:hover {
    color: var(--primary);
}

.modal-body {
    padding: 2rem;
    overflow-y: auto;
    flex-grow: 1;
}

.pdf-mock-viewer {
    background-color: var(--primary-ultra-light);
    border: 1px dashed var(--border-color);
    border-radius: var(--border-radius-sm);
    padding: 3rem;
    text-align: center;
    margin-top: 1.5rem;
}

.pdf-mock-icon {
    font-size: 3rem;
    color: #e53935;
    margin-bottom: 1rem;
}

/* --- AUTHORS PAGE STYLES --- */
/* Formatting quick table */
.spec-table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
}

.spec-table th,
.spec-table td {
    padding: 0.9rem 1.2rem;
    border: 1px solid var(--border-color);
    text-align: left;
}

.spec-table th {
    background-color: var(--primary-ultra-light);
    font-family: var(--font-heading);
    color: var(--primary);
    font-weight: 600;
}

.spec-table tr:nth-child(even) td {
    background-color: #fbfcfd;
}

/* Visual Timeline Author Journey */
.author-timeline {
    position: relative;
    padding-left: 2rem;
    margin: 3rem 0;
}

.author-timeline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 6px;
    width: 2px;
    height: 100%;
    background-color: var(--border-color);
}

.timeline-item {
    position: relative;
    margin-bottom: 2rem;
}

.timeline-dot {
    position: absolute;
    left: -2rem;
    top: 4px;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background-color: #ffffff;
    border: 3px solid var(--accent);
    z-index: 2;
    transition: var(--transition);
}

.timeline-item:hover .timeline-dot {
    background-color: var(--accent);
    transform: scale(1.3);
}

.timeline-content {
    background-color: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    padding: 1.5rem;
    transition: var(--transition);
}

.timeline-item:hover .timeline-content {
    box-shadow: var(--shadow-sm);
    border-color: rgba(11, 27, 61, 0.1);
}

.timeline-content h4 {
    font-size: 1.1rem;
    margin-bottom: 0.4rem;
}

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

/* APC Waiver Grid */
.waiver-card {
    text-align: center;
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: 2.5rem 2rem;
}

.waiver-icon {
    font-size: 2.2rem;
    color: var(--accent);
    margin-bottom: 1.2rem;
}

.waiver-card h4 {
    font-size: 1.2rem;
    margin-bottom: 0.6rem;
}

.waiver-card p {
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* --- SUBMISSION PORTAL STYLES --- */
.submission-progress {
    display: flex;
    justify-content: space-between;
    margin-bottom: 4rem;
    position: relative;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.submission-progress::before {
    content: '';
    position: absolute;
    top: 25px;
    left: 5%;
    width: 90%;
    height: 4px;
    background-color: var(--border-color);
    z-index: 1;
}

.progress-bar-fill {
    content: '';
    position: absolute;
    top: 25px;
    left: 5%;
    width: 0%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    z-index: 1;
    transition: width 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.progress-step {
    position: relative;
    z-index: 2;
    text-align: center;
    width: 80px;
}

.progress-number {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: #ffffff;
    border: 3px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 0.6rem;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--text-muted);
    transition: var(--transition);
}

.progress-step.active .progress-number {
    border-color: var(--primary);
    color: var(--primary);
    box-shadow: var(--shadow-md);
    transform: scale(1.15);
}

.progress-step.completed .progress-number {
    border-color: var(--accent);
    background-color: var(--accent);
    color: #ffffff;
    box-shadow: var(--shadow-accent);
}

.progress-label {
    font-size: 0.78rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    transition: var(--transition);
}

.progress-step.active .progress-label {
    color: var(--primary);
}

.progress-step.completed .progress-label {
    color: var(--accent-dark);
}

/* Submission Form Content */
.submission-step-content {
    display: none;
    animation: fadeIn 0.4s ease-in-out;
}

.submission-step-content.active {
    display: block;
}

.file-drag-area {
    border: 2px dashed var(--border-color);
    border-radius: var(--border-radius-md);
    padding: 3rem 2rem;
    text-align: center;
    cursor: pointer;
    background-color: #fbfcfd;
    transition: var(--transition);
}

.file-drag-area:hover {
    border-color: var(--accent);
    background-color: var(--accent-light);
}

.file-drag-icon {
    font-size: 2.5rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
    transition: var(--transition);
}

.file-drag-area:hover .file-drag-icon {
    color: var(--accent);
    transform: translateY(-5px);
}

.file-drag-area input[type="file"] {
    display: none;
}

.file-info-badge {
    margin-top: 1rem;
    background-color: var(--primary-ultra-light);
    color: var(--primary);
    padding: 0.4rem 1rem;
    border-radius: 4px;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.88rem;
    font-weight: 500;
}

.author-rows-container {
    margin-bottom: 1.5rem;
}

.author-row-entry {
    background: #fbfcfd;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    padding: 1.5rem;
    margin-bottom: 1rem;
    position: relative;
}

.remove-author-btn {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: none;
    border: none;
    color: #e53935;
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 600;
}

.declaration-checkbox-group {
    margin-bottom: 1.2rem;
    display: flex;
    align-items: flex-start;
    gap: 0.8rem;
}

.declaration-checkbox-group input {
    margin-top: 0.35rem;
    flex-shrink: 0;
}

.declaration-checkbox-group label {
    font-size: 0.92rem;
    color: var(--text-dark);
    line-height: 1.4;
}

.submission-actions {
    display: flex;
    justify-content: space-between;
    margin-top: 3rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

/* Success Card */
.success-card {
    text-align: center;
    padding: 4rem 2rem;
}

.success-icon-anim {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background-color: var(--accent-light);
    color: var(--accent);
    font-size: 3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 2rem;
    animation: popScale 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

/* --- CONTACT US PAGE STYLES --- */
.contact-layout {
    grid-template-columns: 0.8fr 1.2fr;
}

.contact-info-list li {
    display: flex;
    gap: 1.2rem;
    margin-bottom: 1.8rem;
    align-items: flex-start;
}

.contact-info-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--border-radius-sm);
    background-color: var(--primary-ultra-light);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.contact-info-details h4 {
    font-size: 1.05rem;
    margin-bottom: 0.2rem;
}

.contact-info-details p {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin: 0;
}

.faq-accordion {
    margin-top: 3rem;
}

.faq-item {
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    background-color: #ffffff;
    margin-bottom: 0.8rem;
    overflow: hidden;
    transition: var(--transition);
}

.faq-item:hover {
    border-color: rgba(11, 27, 61, 0.15);
}

.faq-trigger {
    width: 100%;
    background: none;
    border: none;
    text-align: left;
    padding: 1.2rem 1.5rem;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1.05rem;
    color: var(--primary);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-arrow {
    font-size: 0.8rem;
    transition: transform 0.3s ease;
}

.faq-item.active .faq-arrow {
    transform: rotate(180deg);
}

.faq-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    background-color: var(--primary-ultra-light);
}

.faq-content-inner {
    padding: 1.2rem 1.5rem;
    border-top: 1px solid var(--border-color);
    font-size: 0.95rem;
    color: var(--text-dark);
}

.faq-item.active .faq-content {
    max-height: 250px;
}

/* Styled Map Placeholder */
.map-placeholder {
    width: 100%;
    height: 320px;
    background: linear-gradient(135deg, #e3f2fd 0%, #bbdefb 100%);
    border-radius: var(--border-radius-md);
    border: 1px solid var(--border-color);
    margin-top: 3rem;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.map-placeholder::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: radial-gradient(circle, rgba(11, 27, 61, 0.05) 10%, transparent 10.5%);
    background-size: 20px 20px;
}

.map-card-address {
    position: relative;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(5px);
    border-radius: var(--border-radius-sm);
    padding: 1.5rem;
    max-width: 320px;
    box-shadow: var(--shadow-lg);
    text-align: center;
}

.map-card-address h4 {
    font-size: 1.05rem;
    margin-bottom: 0.4rem;
}

.map-card-address p {
    font-size: 0.82rem;
    color: var(--text-muted);
    margin: 0;
}

/* --- ANIMATIONS --- */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes slideDown {
    from { max-height: 0; opacity: 0; overflow: hidden; }
    to { max-height: 500px; opacity: 1; }
}

@keyframes popScale {
    0% { transform: scale(0); opacity: 0; }
    70% { transform: scale(1.1); }
    100% { transform: scale(1); opacity: 1; }
}

/* --- RESPONSIVE MEDIA QUERIES --- */
@media (max-width: 1024px) {
    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .hero-metrics-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .archives-layout,
    .contact-layout {
        grid-template-columns: 1fr;
    }
    
    .archive-sidebar {
        position: static;
        margin-bottom: 2rem;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none; /* Mobile Navigation Toggle */
        position: absolute;
        top: var(--header-height);
        left: 0;
        width: 100%;
        background-color: #ffffff;
        flex-direction: column;
        padding: 2rem;
        gap: 1.5rem;
        box-shadow: var(--shadow-lg);
        border-bottom: 3px solid var(--accent);
    }
    
    .nav-menu.show {
        display: flex;
        animation: fadeIn 0.3s ease-out;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .grid-3 {
        grid-template-columns: 1fr;
    }
    
    .grid-2,
    .cta-home-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-content h1 {
        font-size: 2.6rem;
    }
    
    .hero-metrics-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .review-steps {
        flex-direction: column;
        gap: 2.5rem;
    }
    
    .review-steps::before {
        display: none;
    }
    
    .metric-box:not(:last-child)::after {
        display: none;
    }
    
    .metric-box {
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        padding-bottom: 2rem;
    }
    
    .archive-search-container {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .hero-actions {
        flex-direction: column;
    }
    
    .submission-progress {
        overflow-x: auto;
        padding-bottom: 1rem;
    }
    
    .progress-step {
        min-width: 80px;
    }
}