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

:root {
    --primary-color: #1a2332;
    --secondary-color: #2c3e50;
    --accent-color: #c9a067;
    --text-color: #333;
    --text-light: #666;
    --bg-light: #f8f9fa;
    --border-color: #e0e0e0;
    --white: #ffffff;
    --transition: all 0.3s ease;
}

body {
    font-family: 'Georgia', 'Times New Roman', serif;
    line-height: 1.7;
    color: var(--text-color);
    background-color: var(--white);
}

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

/* Navigation */
.navbar {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand a {
    font-size: 1.9rem;
    font-weight: 700;
    color: var(--white);
    text-decoration: none;
    letter-spacing: 2px;
}

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

.nav-menu a {
    color: var(--white);
    text-decoration: none;
    font-size: 0.95rem;
    transition: var(--transition);
    padding: 0.5rem 0;
    border-bottom: 2px solid transparent;
}

.nav-menu a:hover,
.nav-menu a.active {
    border-bottom-color: var(--accent-color);
    color: var(--accent-color);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--white);
    padding: 6rem 0 5rem;
    text-align: center;
}

.hero-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 400;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.3rem;
    margin-bottom: 2.5rem;
    opacity: 0.9;
    font-weight: 300;
    white-space: nowrap;
}

.hero-cta {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.9rem 2rem;
    font-size: 1rem;
    text-decoration: none;
    border-radius: 4px;
    transition: var(--transition);
    border: 2px solid transparent;
    cursor: pointer;
    font-family: inherit;
}

.btn-primary {
    background-color: var(--accent-color);
    color: var(--white);
    border-color: var(--accent-color);
}

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

.btn-secondary {
    background-color: transparent;
    color: var(--white);
    border-color: var(--white);
}

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

/* Intro Section */
.intro {
    padding: 5rem 0;
    background-color: var(--white);
}

.intro-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    align-items: start;
}

.intro h2 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
    font-weight: 400;
}

.intro p {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 1.2rem;
}

.intro-highlights {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.highlight-card {
    background-color: var(--bg-light);
    padding: 1.5rem;
    border-left: 4px solid var(--accent-color);
}

.highlight-card h3 {
    font-size: 1.2rem;
    color: var(--primary-color);
    margin-bottom: 0.3rem;
}

.highlight-card p {
    font-size: 1rem;
    color: var(--text-light);
    margin: 0;
}

/* Expertise Section */
.expertise {
    padding: 5rem 0;
    background-color: var(--bg-light);
}

.expertise h2 {
    font-size: 2.2rem;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--primary-color);
    font-weight: 400;
}

.expertise-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.expertise-card {
    background-color: var(--white);
    padding: 2rem;
    border-radius: 4px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    transition: var(--transition);
}

.expertise-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.expertise-icon {
    font-size: 2.2rem;
    margin-bottom: 1rem;
    color: var(--accent-color);
}

.expertise-card h3 {
    font-size: 1.3rem;
    margin-bottom: 0.8rem;
    color: var(--primary-color);
}

.expertise-card p {
    font-size: 1rem;
    color: var(--text-light);
    line-height: 1.6;
}

/* Featured Work Section */
.featured-work {
    padding: 5rem 0;
    background-color: var(--white);
}

.featured-work h2 {
    font-size: 2.2rem;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--primary-color);
    font-weight: 400;
}

.featured-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.featured-item {
    padding: 2rem;
    background-color: var(--bg-light);
    border-top: 4px solid var(--accent-color);
}

.featured-label {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--accent-color);
    margin-bottom: 0.8rem;
    font-weight: 600;
}

.featured-item h3 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.featured-item p {
    font-size: 1rem;
    color: var(--text-light);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

/* Link Arrow */
.link-arrow {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition);
    display: inline-block;
    margin-top: 1rem;
}

.link-arrow:hover {
    color: var(--primary-color);
    transform: translateX(5px);
}

/* Footer */
.footer {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 3rem 0 1rem;
    margin-top: 4rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    color: var(--accent-color);
}

.footer-section p {
    font-size: 0.95rem;
    opacity: 0.8;
    margin-bottom: 0.5rem;
}

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

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: var(--white);
    text-decoration: none;
    opacity: 0.8;
    transition: var(--transition);
}

.footer-section a:hover {
    opacity: 1;
    color: var(--accent-color);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.footer-bottom p {
    font-size: 0.9rem;
    opacity: 0.7;
}

/* Page Header */
.page-header {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 4rem 0 3rem;
    text-align: center;
}

.page-header h1 {
    font-size: 2.8rem;
    font-weight: 400;
    margin-bottom: 0.5rem;
}

.page-header p {
    font-size: 1.2rem;
    opacity: 0.9;
}

/* Content Sections */
.content-section {
    padding: 4rem 0;
}

.content-section h2 {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    font-weight: 400;
}

.content-section h3 {
    font-size: 1.5rem;
    color: var(--secondary-color);
    margin-bottom: 1rem;
    margin-top: 2rem;
    font-weight: 400;
}

.content-section p {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 1.2rem;
    line-height: 1.8;
}

.content-section ul {
    margin-left: 2rem;
    margin-bottom: 1.5rem;
}

.content-section li {
    font-size: 1.05rem;
    color: var(--text-light);
    margin-bottom: 0.8rem;
    line-height: 1.7;
}

/* Timeline */
.timeline {
    position: relative;
    padding-left: 2rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background-color: var(--accent-color);
}

.timeline-item {
    margin-bottom: 3rem;
    position: relative;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -2.5rem;
    top: 0.3rem;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: var(--accent-color);
}

.timeline-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 0.5rem;
}

.timeline-title {
    font-size: 1.3rem;
    color: var(--primary-color);
    font-weight: 600;
}

.timeline-date {
    font-size: 0.95rem;
    color: var(--text-light);
    font-style: italic;
}

.timeline-organization {
    font-size: 1.1rem;
    color: var(--secondary-color);
    margin-bottom: 0.8rem;
}

.timeline-description {
    font-size: 1.05rem;
    color: var(--text-light);
    line-height: 1.7;
}

/* Service Cards */
.service-grid {
    display: grid;
    gap: 2rem;
    margin-top: 2rem;
}

.service-card {
    background-color: var(--bg-light);
    padding: 2.5rem;
    border-left: 5px solid var(--accent-color);
}

.service-card h3 {
    font-size: 1.6rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    margin-top: 0;
}

.service-card p {
    font-size: 1.05rem;
    color: var(--text-light);
    margin-bottom: 1rem;
    line-height: 1.7;
}

.service-card ul {
    margin-left: 1.5rem;
}

.service-card li {
    font-size: 1rem;
    margin-bottom: 0.6rem;
}

/* Publication Items */
.publication-item {
    background-color: var(--bg-light);
    padding: 2rem;
    margin-bottom: 2rem;
    border-top: 3px solid var(--accent-color);
}

.publication-title {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.publication-meta {
    font-size: 0.95rem;
    color: var(--text-light);
    font-style: italic;
    margin-bottom: 1rem;
}

.publication-description {
    font-size: 1.05rem;
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: 1rem;
}

.publication-link {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

.publication-link:hover {
    color: var(--primary-color);
}

/* PDF Embed Container */
.pdf-container {
    width: 100%;
    height: 800px;
    border: 1px solid var(--border-color);
    margin: 2rem 0;
    background-color: var(--bg-light);
}

.pdf-container iframe {
    width: 100%;
    height: 100%;
    border: none;
}

/* Podcast Embed Container */
.podcast-container {
    width: 100%;
    margin: 2rem 0;
    background-color: var(--bg-light);
    padding: 2rem;
    border-radius: 4px;
}

.podcast-container iframe {
    width: 100%;
    border: none;
}

/* Contact Form */
.contact-form {
    max-width: 700px;
    margin: 2rem auto;
    background-color: var(--bg-light);
    padding: 3rem;
    border-radius: 4px;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-size: 1rem;
    color: var(--text-color);
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.8rem;
    font-size: 1rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-family: inherit;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(201, 160, 103, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 150px;
}

/* Contact Info */
.contact-info {
    background-color: var(--bg-light);
    padding: 2rem;
    margin-bottom: 3rem;
}

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

.contact-item {
    display: flex;
    align-items: start;
    gap: 1rem;
}

.contact-icon {
    font-size: 1.5rem;
    color: var(--accent-color);
}

.contact-details h3 {
    font-size: 1.1rem;
    color: var(--primary-color);
    margin-bottom: 0.3rem;
}

.contact-details p {
    font-size: 1rem;
    color: var(--text-light);
    margin: 0;
}

/* Disclaimers */
.disclaimer-box {
    background-color: var(--bg-light);
    padding: 2rem;
    border-left: 5px solid var(--accent-color);
    margin: 2rem 0;
}

.disclaimer-box h3 {
    font-size: 1.3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    margin-top: 0;
}

.disclaimer-box p {
    font-size: 1rem;
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: 1rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        flex-wrap: wrap;
        gap: 1rem;
        justify-content: center;
    }
    
    .hero h1 {
        font-size: 2.2rem;
    }

    .hero-subtitle {
        white-space: normal;
        font-size: 1.1rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .intro-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .expertise-grid {
        grid-template-columns: 1fr;
    }
    
    .timeline {
        padding-left: 1.5rem;
    }
    
    .timeline-header {
        flex-direction: column;
        align-items: start;
    }
    
    .pdf-container {
        height: 500px;
    }
}