:root {
    --primary: #1a365d; /* Deep Academic Blue */
    --primary-dark: #102a4e;
    --accent: #c5a028; /* Academic Gold */
    --text: #333333;
    --text-light: #666666;
    --bg-light: #f8f9fa;
    --white: #ffffff;
    --border: #e2e8f0;
    --radius: 4px;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Work Sans', sans-serif;
    color: var(--text);
    line-height: 1.6;
    background-color: var(--white);
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Merriweather', serif;
    color: var(--primary);
    line-height: 1.3;
}

a {
    text-decoration: none;
    color: var(--primary);
    transition: color 0.3s ease;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section-padding {
    padding: 80px 0;
}

.bg-light {
    background-color: var(--bg-light);
}

/* Header */
.site-header {
    background: var(--white);
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo a {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    font-size: 2rem;
    color: var(--accent);
}

.logo-text h1 {
    font-size: 1.5rem;
    margin: 0;
    color: var(--primary);
}

.tagline {
    font-size: 0.75rem;
    color: var(--text-light);
    font-family: 'Work Sans', sans-serif;
    text-transform: uppercase;
    letter-spacing: 1px;
    display: block;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-list a {
    font-weight: 500;
    font-size: 0.95rem;
    position: relative;
}

.nav-list a.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--accent);
}

.mobile-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--primary);
    cursor: pointer;
}

/* Hero */
.hero {
    position: relative;
    height: 600px;
    display: flex;
    align-items: center;
    color: var(--white);
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

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

.overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(26, 54, 93, 0.85), rgba(26, 54, 93, 0.7));
}

.hero-content {
    position: relative;
    max-width: 800px;
}

.hero-subtitle {
    display: inline-block;
    background: var(--accent);
    color: var(--primary);
    padding: 4px 12px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 20px;
    border-radius: 2px;
    text-transform: uppercase;
}

.hero h2 {
    font-size: 3.5rem;
    color: var(--white);
    margin-bottom: 20px;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    opacity: 0.9;
    max-width: 600px;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: var(--radius);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.9rem;
    letter-spacing: 0.5px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-primary {
    background-color: var(--accent);
    color: var(--primary);
    border: 2px solid var(--accent);
}

.btn-primary:hover {
    background-color: #d4af37;
    border-color: #d4af37;
}

.btn-outline {
    background-color: transparent;
    color: var(--white);
    border: 2px solid var(--white);
    margin-left: 15px;
}

.btn-outline:hover {
    background-color: var(--white);
    color: var(--primary);
}

.btn-light {
    background-color: var(--white);
    color: var(--primary);
    border: 2px solid var(--white);
}

.btn-light:hover {
    background-color: transparent;
    color: var(--white);
}

/* Features */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h3 {
    font-size: 2.2rem;
    margin-bottom: 15px;
}

.divider {
    height: 3px;
    width: 60px;
    background-color: var(--accent);
    margin: 0 auto;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.feature-card {
    text-align: center;
    padding: 30px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
}

.icon-box {
    width: 70px;
    height: 70px;
    background-color: rgba(197, 160, 40, 0.1);
    color: var(--accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    margin: 0 auto 20px;
}

.feature-card h4 {
    margin-bottom: 15px;
    font-size: 1.2rem;
}

/* Articles */
.article-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.article-card {
    background: var(--white);
    padding: 30px;
    border-radius: var(--radius);
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    border-left: 4px solid var(--accent);
}

.article-meta {
    display: flex;
    justify-content: space-between;
    font-size: 0.85rem;
    color: var(--text-light);
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.category {
    color: var(--accent);
    font-weight: 600;
}

.article-card h4 {
    font-size: 1.3rem;
    margin-bottom: 10px;
}

.article-card h4 a {
    color: var(--primary);
}

.article-card h4 a:hover {
    color: var(--accent);
}

.authors {
    font-style: italic;
    color: var(--text-light);
    margin-bottom: 20px;
    font-family: 'Merriweather', serif;
}

.read-more {
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
}

/* CTA */
.cta-section {
    background-color: var(--primary);
    color: var(--white);
    padding: 80px 0;
    text-align: center;
}

.cta-content h3 {
    color: var(--white);
    margin-bottom: 20px;
}

.cta-content p {
    max-width: 700px;
    margin: 0 auto 30px;
    font-size: 1.1rem;
    opacity: 0.9;
}

/* Footer */
.site-footer {
    background-color: #0f1f33;
    color: #a0aec0;
    padding: 60px 0 20px;
    font-size: 0.95rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 50px;
    margin-bottom: 50px;
}

.footer-col h5 {
    color: var(--white);
    margin-bottom: 20px;
    font-size: 1.1rem;
}

.footer-col ul {
    list-style: none;
}

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

.footer-col a {
    color: #a0aec0;
}

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

.contact-list li {
    display: flex;
    gap: 10px;
    align-items: center;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 20px;
    text-align: center;
    font-size: 0.85rem;
}

/* Forms */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--primary);
}

.form-control {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-family: inherit;
    font-size: 1rem;
    transition: border-color 0.3s;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
}

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

/* Page Specific */
.page-header {
    background-color: var(--bg-light);
    padding: 60px 0;
    text-align: center;
    border-bottom: 1px solid var(--border);
}

.page-header h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

.content-block {
    max-width: 800px;
    margin: 0 auto;
}

.content-block p {
    margin-bottom: 20px;
}

.content-block h3 {
    margin: 30px 0 15px;
    font-size: 1.5rem;
}

/* Responsive */
@media (max-width: 768px) {
    .header-inner {
        height: 70px;
    }

    .mobile-toggle {
        display: block;
    }

    .nav-list {
        display: none;
        position: absolute;
        top: 70px;
        left: 0;
        width: 100%;
        background: var(--white);
        flex-direction: column;
        padding: 20px;
        box-shadow: 0 5px 10px rgba(0,0,0,0.1);
        gap: 15px;
    }

    .nav-list.active {
        display: flex;
    }

    .hero h2 {
        font-size: 2.5rem;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .btn-outline {
        margin-left: 0;
        margin-top: 15px;
        display: block;
        text-align: center;
    }
    
    .btn-primary {
        display: block;
        text-align: center;
    }
}