:root {
    --primary-color: #2c5f7c;
    --secondary-color: #4a8ba8;
    --accent-color: #7fb3d5;
    --dark-color: #1a3a4a;
    --light-color: #f8f9fa;
    --text-color: #333;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: var(--text-color);
    line-height: 1.7;
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.3rem;
    color: var(--primary-color) !important;
    letter-spacing: 1px;
}

.navbar {
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.nav-link {
    font-weight: 500;
    color: var(--text-color) !important;
    margin: 0 10px;
    transition: color 0.3s ease;
}

.nav-link:hover, .nav-link.active {
    color: var(--primary-color) !important;
}

.hero-section {
    position: relative;
    overflow: hidden;
}

.hero-image img {
    width: 100%;
    height: auto;
    max-height: 500px;
    object-fit: cover;
}

.intro-section {
    background: white;
}

.intro-section h1 {
    color: var(--primary-color);
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.profile-image {
    width: 280px;
    height: 280px;
    object-fit: cover;
    border: 5px solid var(--accent-color);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.content-text p {
    margin-bottom: 1.2rem;
    font-size: 1.05rem;
}

.content-text .lead {
    font-size: 1.25rem;
    font-weight: 400;
    color: var(--dark-color);
}

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

.services-section h2 {
    color: var(--primary-color);
    font-weight: 700;
    letter-spacing: 2px;
}

.service-card {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    height: 100%;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.service-card h3 {
    color: var(--primary-color);
    font-size: 1.4rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.service-card p {
    margin-bottom: 1.2rem;
    font-size: 1rem;
}

.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    padding: 10px 30px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background-color: var(--secondary-color);
    border-color: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.page-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    text-align: center;
}

.page-header h1 {
    font-weight: 700;
    letter-spacing: 2px;
}

.page-header .lead {
    font-size: 1.1rem;
    letter-spacing: 1px;
}

.content-section h2 {
    color: var(--primary-color);
    font-weight: 700;
}

.content-section h3 {
    color: var(--secondary-color);
    font-weight: 600;
}

.custom-list {
    list-style: none;
    padding-left: 0;
}

.custom-list li {
    padding: 10px 0;
    padding-left: 30px;
    position: relative;
    font-size: 1.05rem;
}

.custom-list li::before {
    content: "▸";
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-size: 1.3rem;
}

.cta-box {
    border-left: 5px solid var(--primary-color);
}

.cta-box h4 {
    color: var(--primary-color);
    font-weight: 600;
}

.consultation-card {
    background: var(--light-color);
    border-radius: 8px;
    border-left: 4px solid var(--primary-color);
    transition: all 0.3s ease;
}

.consultation-card:hover {
    border-left-width: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.consultation-card h4 {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 1rem;
}

.workshop-topics .topic-item {
    background: white;
    transition: all 0.3s ease;
}

.workshop-topics .topic-item:hover {
    border-color: var(--primary-color) !important;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.workshop-topics h4 {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 0.8rem;
}

.footer {
    background-color: var(--dark-color);
    margin-top: 50px;
}

@media (max-width: 768px) {
    .profile-image {
        width: 200px;
        height: 200px;
        margin-top: 2rem;
    }
    
    .service-card {
        margin-bottom: 2rem;
    }
    
    .navbar-brand {
        font-size: 1rem;
    }
}



/* About Page Styles */
.about-profile-image {
    max-width: 450px;
    border: 8px solid var(--accent-color);
}

.about-intro h2 {
    color: var(--primary-color);
    font-weight: 600;
}

.about-intro .lead {
    font-size: 1.2rem;
    color: var(--dark-color);
    margin-bottom: 1.5rem;
}

.credentials-section h2 {
    color: var(--primary-color);
    font-weight: 700;
    letter-spacing: 1px;
    border-bottom: 3px solid var(--accent-color);
    padding-bottom: 10px;
}

.credential-item, .role-item {
    padding-left: 20px;
    border-left: 3px solid var(--accent-color);
    transition: all 0.3s ease;
}

.credential-item:hover, .role-item:hover {
    border-left-color: var(--primary-color);
    padding-left: 25px;
}

.credential-item h4, .role-item h4 {
    color: var(--secondary-color);
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.credential-item .institution, .role-item .institution {
    color: var(--text-color);
    font-weight: 500;
    margin-bottom: 0.3rem;
}

.credential-item .location {
    color: #666;
    font-size: 0.95rem;
    margin-bottom: 0;
}

@media (max-width: 768px) {
    .about-profile-image {
        max-width: 100%;
    }
}



/* Teaching & Workshops Page Styles */
.section-title {
    color: var(--primary-color);
    font-weight: 700;
    letter-spacing: 2px;
    border-bottom: 3px solid var(--accent-color);
    padding-bottom: 15px;
    display: inline-block;
}

.teaching-item {
    padding: 1.5rem;
    background: white;
    border-radius: 8px;
    border-left: 4px solid var(--accent-color);
    transition: all 0.3s ease;
}

.teaching-item:hover {
    border-left-color: var(--primary-color);
    border-left-width: 6px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transform: translateX(5px);
}

.teaching-item h4 {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 0.5rem;
    font-size: 1.3rem;
}

.teaching-item .role {
    color: var(--secondary-color);
    font-weight: 500;
    margin-bottom: 0.3rem;
    font-size: 1.05rem;
}

.teaching-item .institution {
    color: var(--text-color);
    margin-bottom: 0.3rem;
    font-size: 1rem;
}

.teaching-item .year {
    color: #666;
    font-size: 0.95rem;
    font-style: italic;
    margin-bottom: 0;
}

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

.presentation-item {
    padding: 1.2rem 1.5rem;
    background: white;
    border-radius: 6px;
    border-left: 3px solid var(--accent-color);
    transition: all 0.3s ease;
}

.presentation-item:hover {
    border-left-color: var(--secondary-color);
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.08);
}

.presentation-item .citation {
    margin-bottom: 0;
    line-height: 1.7;
    color: var(--text-color);
    font-size: 1rem;
}

.presentation-item em {
    color: var(--dark-color);
    font-weight: 500;
}

@media (max-width: 768px) {
    .teaching-item, .presentation-item {
        padding: 1rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
}




/* Publications Page Styles */
.publications-content {
    background: white;
}

.publications-list {
    max-width: 900px;
    margin: 0 auto;
}

.publication-entry {
    padding: 1.5rem 2rem;
    background: var(--light-color);
    border-radius: 8px;
    border-left: 4px solid var(--accent-color);
    transition: all 0.3s ease;
}

.publication-entry:hover {
    border-left-color: var(--primary-color);
    border-left-width: 6px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    transform: translateX(3px);
}

.publication-text {
    margin-bottom: 0;
    line-height: 1.8;
    color: var(--text-color);
    font-size: 1.05rem;
}

.publication-text em {
    color: var(--dark-color);
    font-style: italic;
}

@media (max-width: 768px) {
    .publication-entry {
        padding: 1rem 1.2rem;
    }
    
    .publication-text {
        font-size: 0.95rem;
    }
}



/* Consultation Page Styles */
.consultation-intro .intro-content {
    font-size: 1.05rem;
    line-height: 1.8;
}

.consultation-intro .lead {
    font-size: 1.2rem;
    color: var(--dark-color);
    margin-bottom: 1.5rem;
}

.consultation-intro a:not(.btn) {
    color: var(--primary-color);
    font-weight: 600;
    text-decoration: none;
    border-bottom: 2px solid var(--accent-color);
    transition: all 0.3s ease;
}

.consultation-intro a:not(.btn):hover {
    color: var(--secondary-color);
    border-bottom-color: var(--primary-color);
}

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

.timeline {
    position: relative;
    padding-left: 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 120px;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--accent-color);
}

.timeline-item {
    display: flex;
    margin-bottom: 2.5rem;
    position: relative;
}

.timeline-year {
    flex: 0 0 100px;
    font-weight: 700;
    color: var(--primary-color);
    font-size: 1rem;
    padding-right: 20px;
    text-align: right;
}

.timeline-content {
    flex: 1;
    padding-left: 40px;
    padding: 1.5rem;
    background: white;
    border-radius: 8px;
    margin-left: 40px;
    border-left: 4px solid var(--accent-color);
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.timeline-content:hover {
    border-left-color: var(--primary-color);
    border-left-width: 6px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.12);
    transform: translateX(5px);
}

.timeline-content h4 {
    color: var(--secondary-color);
    font-weight: 600;
    margin-bottom: 0.5rem;
    font-size: 1.2rem;
}

.timeline-content .institution {
    color: var(--text-color);
    margin-bottom: 0;
    font-size: 1rem;
}

@media (max-width: 768px) {
    .timeline::before {
        left: 80px;
    }
    
    .timeline-year {
        flex: 0 0 70px;
        font-size: 0.9rem;
    }
    
    .timeline-content {
        margin-left: 20px;
        padding: 1rem;
    }
}



/* Contact Page Styles */
.contact-section {
    background: white;
}

.contact-form-wrapper {
    background: var(--light-color);
    padding: 3rem;
    border-radius: 12px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
}

.contact-form .form-label {
    font-weight: 600;
    color: var(--dark-color);
    margin-bottom: 0.5rem;
}

.contact-form .form-control,
.contact-form .form-select {
    border: 2px solid #dee2e6;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    border-radius: 6px;
    transition: all 0.3s ease;
}

.contact-form .form-control:focus,
.contact-form .form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(44, 95, 124, 0.15);
}

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

.form-check-input {
    width: 1.25rem;
    height: 1.25rem;
    border: 2px solid #dee2e6;
    margin-top: 0.15rem;
}

.form-check-input:checked {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.form-check-input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(44, 95, 124, 0.15);
}

.form-check-label {
    font-weight: 600;
    color: var(--text-color);
    margin-left: 0.5rem;
}

.terms-text {
    border-left: 3px solid var(--accent-color);
}

.alert-info {
    background-color: #d1ecf1;
    border-color: #bee5eb;
    color: #0c5460;
    font-size: 1.1rem;
    padding: 1.5rem;
    border-left: 4px solid #17a2b8;
}

@media (max-width: 768px) {
    .contact-form-wrapper {
        padding: 2rem 1.5rem;
    }
}