/* Reset and Base Styles */
* /* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Georgia', 'Times New Roman', serif;
    line-height: 1.6;
    color: #2d3436;
    background: linear-gradient(135deg, #f0f7f4 0%, #e8f5e9 100%);
    background-attachment: fixed;
}

/* Navigation */
.navbar {
    background: linear-gradient(135deg, #1b4332 0%, #2d6a4f 100%);
    color: white;
    padding: 1rem 0;
    box-shadow: 0 4px 12px rgba(27, 67, 50, 0.3);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

.nav-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin: 0;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 2rem;
}

.nav-links a {
    color: white;
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 1rem;
    padding: 0.5rem 0;
    border-bottom: 2px solid transparent;
}

.nav-links a:hover,
.nav-links a.active {
    color: #95d5b2;
    border-bottom: 2px solid #95d5b2;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

/* Hero Section */
.hero {
    text-align: center;
    padding: 4rem 2rem;
    background: linear-gradient(135deg, #2d6a4f 0%, #52b788 50%, #74c69d 100%);
    color: white;
    border-radius: 16px;
    margin-bottom: 3rem;
    box-shadow: 0 8px 24px rgba(45, 106, 79, 0.3);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><circle cx="50" cy="50" r="2" fill="white" opacity="0.1"/></svg>');
    opacity: 0.3;
}

.hero h1 {
    font-size: 2.8rem;
    margin-bottom: 1rem;
    position: relative;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.2);
}

.subtitle {
    font-size: 1.3rem;
    opacity: 0.95;
    position: relative;
}

/* Page Header */
.page-header {
    text-align: center;
    padding: 2rem 0;
    margin-bottom: 3rem;
    border-bottom: 4px solid #40916c;
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    padding: 3rem 2rem;
}

.page-header h1 {
    font-size: 2.8rem;
    color: #1b4332;
    margin-bottom: 1rem;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.05);
}

.intro-text {
    font-size: 1.15rem;
    color: #2d6a4f;
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.8;
}

/* About Section */
.about-section {
    background: white;
    padding: 3rem;
    border-radius: 16px;
    box-shadow: 0 6px 20px rgba(27, 67, 50, 0.12);
    margin-bottom: 3rem;
    border: 1px solid rgba(64, 145, 108, 0.1);
}

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
}

.about-text h2 {
    color: #1b4332;
    margin-bottom: 1.5rem;
    font-size: 2.2rem;
    position: relative;
    padding-bottom: 0.5rem;
}

.about-text h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, #40916c, #95d5b2);
}

.about-text p {
    margin-bottom: 1rem;
    font-size: 1.05rem;
    color: #2d3436;
}

.about-images {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

/* Image Placeholders */
.image-placeholder,
.avatar-placeholder {
    background: linear-gradient(135deg, #d8f3dc 0%, #b7e4c7 100%);
    border: 2px dashed #52b788;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 200px;
    color: #2d6a4f;
    font-style: italic;
    transition: all 0.3s ease;
}

.image-placeholder:hover,
.avatar-placeholder:hover {
    border-color: #40916c;
    background: linear-gradient(135deg, #b7e4c7 0%, #95d5b2 100%);
}

.avatar-placeholder {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    min-height: auto;
}

/* Features Grid */
.features {
    margin-top: 3rem;
}

.features h2 {
    text-align: center;
    font-size: 2.2rem;
    color: #1b4332;
    margin-bottom: 3rem;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: white;
    padding: 2.5rem;
    border-radius: 16px;
    box-shadow: 0 4px 16px rgba(27, 67, 50, 0.1);
    transition: all 0.4s ease;
    border: 1px solid rgba(64, 145, 108, 0.15);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, #40916c, #95d5b2);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 24px rgba(27, 67, 50, 0.2);
}

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

.feature-card h3 {
    color: #2d6a4f;
    margin-bottom: 1rem;
    font-size: 1.4rem;
}

/* Argument Section */
.argument-section {
    background: white;
    padding: 3rem;
    border-radius: 16px;
    box-shadow: 0 6px 20px rgba(27, 67, 50, 0.12);
    margin-bottom: 3rem;
    border-left: 5px solid #40916c;
}

.argument-section h2 {
    color: #1b4332;
    margin-bottom: 1.5rem;
    font-size: 2.2rem;
    border-bottom: 3px solid #95d5b2;
    padding-bottom: 0.75rem;
}

.argument-content {
    font-size: 1.05rem;
    color: #2d3436;
}

.argument-content p {
    margin-bottom: 1rem;
    line-height: 1.8;
}

/* Sources Section */
.sources-section {
    margin-top: 3rem;
}

.sources-section > h2 {
    font-size: 2.2rem;
    color: #1b4332;
    margin-bottom: 3rem;
    text-align: center;
}

.source {
    background: white;
    padding: 3rem;
    border-radius: 16px;
    box-shadow: 0 6px 20px rgba(27, 67, 50, 0.12);
    margin-bottom: 3rem;
    border: 1px solid rgba(64, 145, 108, 0.15);
    transition: all 0.3s ease;
}

.source:hover {
    box-shadow: 0 8px 28px rgba(27, 67, 50, 0.18);
    transform: translateY(-2px);
}

.source-header {
    border-bottom: 3px solid #95d5b2;
    padding-bottom: 1rem;
    margin-bottom: 2rem;
    background: linear-gradient(to right, rgba(149, 213, 178, 0.1), transparent);
    padding: 1rem;
    border-radius: 8px;
}

.source-header h3 {
    color: #1b4332;
    font-size: 1.9rem;
    margin-bottom: 0.5rem;
}

.source-meta {
    color: #2d6a4f;
    font-style: italic;
}

.source-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 2rem;
}

.source-image {
    position: sticky;
    top: 100px;
    height: fit-content;
}

.source-image img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(27, 67, 50, 0.2);
    border: 1px solid rgba(64, 145, 108, 0.3);
    max-height: 500px;
    object-fit: contain;
    background: white;
    padding: 0.5rem;
}

.source-text h4 {
    color: #1b4332;
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
    font-size: 1.3rem;
    position: relative;
    padding-left: 1rem;
}

.source-text h4::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 60%;
    background: #52b788;
    border-radius: 2px;
}

.source-text h4:first-child {
    margin-top: 0;
}

.source-text p {
    margin-bottom: 1rem;
    line-height: 1.8;
    color: #2d3436;
}

blockquote {
    background: linear-gradient(135deg, #f0f7f4 0%, #e8f5e9 100%);
    border-left: 5px solid #40916c;
    padding: 1.5rem;
    margin: 1rem 0;
    font-style: italic;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(64, 145, 108, 0.1);
}

/* Conclusion Section */
.conclusion-section {
    background: white;
    padding: 3rem;
    border-radius: 16px;
    box-shadow: 0 6px 20px rgba(27, 67, 50, 0.12);
    margin-top: 3rem;
    border-right: 5px solid #40916c;
}

.conclusion-section h2 {
    color: #1b4332;
    margin-bottom: 1.5rem;
    font-size: 2.2rem;
    border-bottom: 3px solid #95d5b2;
    padding-bottom: 0.75rem;
}

.conclusion-section p {
    line-height: 1.8;
    color: #2d3436;
}

/* Authors Section */
.authors-section {
    margin-top: 2rem;
}

.author-card {
    background: white;
    padding: 3rem;
    border-radius: 16px;
    box-shadow: 0 6px 20px rgba(27, 67, 50, 0.12);
    margin-bottom: 2.5rem;
    display: grid;
    grid-template-columns: 220px 1fr;
    gap: 3rem;
    border: 1px solid rgba(64, 145, 108, 0.15);
    transition: all 0.3s ease;
    align-items: start;
}

.author-card:hover {
    box-shadow: 0 8px 28px rgba(27, 67, 50, 0.18);
    transform: translateY(-2px);
}

.author-image {
    display: flex;
    justify-content: center;
    align-items: flex-start;
}

.author-image img {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid #95d5b2;
    box-shadow: 0 4px 12px rgba(27, 67, 50, 0.2);
}

.author-info {
    min-width: 0;
}

.author-info h2 {
    color: #1b4332;
    margin-bottom: 0.5rem;
    font-size: 1.8rem;
}

.author-title {
    color: #2d6a4f;
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.author-bio {
    font-size: 1.05rem;
    margin-bottom: 1.5rem;
    line-height: 1.8;
    color: #2d3436;
}

.author-contact {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 2px solid #95d5b2;
}

.author-contact a {
    color: #40916c;
    text-decoration: none;
    transition: color 0.3s ease;
}

.author-contact a:hover {
    color: #2d6a4f;
    text-decoration: underline;
}

/* Acknowledgments */
.acknowledgments {
    background: white;
    padding: 2.5rem;
    border-radius: 16px;
    box-shadow: 0 6px 20px rgba(27, 67, 50, 0.12);
    margin-top: 3rem;
    border: 1px solid rgba(64, 145, 108, 0.15);
}

.acknowledgments h2 {
    color: #1b4332;
    margin-bottom: 1rem;
    font-size: 2rem;
}

.acknowledgments p {
    line-height: 1.8;
    color: #2d3436;
}

/* Footer */
footer {
    background: linear-gradient(135deg, #1b4332 0%, #2d6a4f 100%);
    color: white;
    text-align: center;
    padding: 2rem;
    margin-top: 4rem;
    box-shadow: 0 -4px 12px rgba(27, 67, 50, 0.2);
}

/* Responsive Design */
@media (max-width: 968px) {
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .source-content {
        grid-template-columns: 1fr;
    }
    
    .source-image {
        position: static;
    }
    
    .author-card {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .author-image {
        display: flex;
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .nav-container {
        flex-direction: column;
        gap: 1rem;
    }
    
    .nav-links {
        gap: 1rem;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .page-header h1 {
        font-size: 2rem;
    }
    
    .feature-grid {
        grid-template-columns: 1fr;
    }
    
    .container {
        padding: 1rem;
    }
    
    .about-section,
    .argument-section,
    .source,
    .conclusion-section,
    .author-card,
    .acknowledgments {
        padding: 1.5rem;
    }
}