/* Global Styles */
:root {
    --primary-color: #2c3e50;
    --secondary-color: #3498db;
    --accent-color: #e74c3c;
    --text-color: #2c3e50;
    --light-gray: #ecf0f1;
    --dark-gray: #7f8c8d;
    --white: #ffffff;
    --shadow: 0 2px 10px rgba(0,0,0,0.1);
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
}

/* Top Bar */
.top-bar {
    background: var(--primary-color);
    color: var(--white);
    padding: 8px 0;
    font-size: 14px;
}

.top-bar .contact-info span {
    margin-right: 20px;
}

.top-bar .contact-info i {
    margin-right: 5px;
    color: var(--secondary-color);
}

.top-bar .social-links {
    text-align: right;
}

.top-bar .social-links a {
    color: var(--white);
    margin-left: 15px;
    font-size: 16px;
    transition: var(--transition);
}

.top-bar .social-links a:hover {
    color: var(--secondary-color);
}

/* Header */
.header {
    background: var(--white);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar-brand img {
    height: 80px !important;
    width: auto;
    transition: var(--transition);
}

.navbar-brand:hover img {
    transform: scale(1.05);
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 15px;
}

.brand-text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.doctor-name {
    font-size: 18px;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 2px;
}

.doctor-title {
    font-size: 14px;
    font-weight: 500;
    color: #7f8c8d;
}

/* Desktop Menu */
.desktop-menu .navbar-nav .nav-link {
    color: var(--text-color);
    font-weight: 500;
    padding: 15px 20px;
    transition: var(--transition);
    position: relative;
}

.desktop-menu .navbar-nav .nav-link:hover,
.desktop-menu .navbar-nav .nav-link.active {
    color: var(--secondary-color);
}

.desktop-menu .navbar-nav .nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 30px;
    height: 3px;
    background: var(--secondary-color);
    border-radius: 2px;
}

.desktop-menu .dropdown-menu {
    border: none;
    box-shadow: var(--shadow);
    border-radius: 8px;
    padding: 15px 0;
    margin-top: 5px;
}

.desktop-menu .dropdown-header {
    color: var(--primary-color);
    font-weight: 600;
    font-size: 14px;
    padding: 8px 20px;
    margin-bottom: 5px;
}

.desktop-menu .dropdown-item {
    padding: 8px 20px;
    color: var(--text-color);
    transition: var(--transition);
}

.desktop-menu .dropdown-item:hover {
    background: var(--light-gray);
    color: var(--secondary-color);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    background: var(--secondary-color);
    border: 2px solid var(--secondary-color);
    padding: 12px;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    width: 40px;
    height: 40px;
    transition: var(--transition);
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(52, 152, 219, 0.3);
}

.mobile-menu-toggle:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
    box-shadow: 0 4px 12px rgba(44, 62, 80, 0.4);
    transform: translateY(-2px);
}

.hamburger-line {
    width: 100%;
    height: 3px;
    background: var(--white);
    border-radius: 2px;
    transition: var(--transition);
    transform-origin: center;
}

.mobile-menu-toggle:hover .hamburger-line {
    background: var(--white);
}

/* Mobile Menu Overlay */
.mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(0, 0, 0, 0.5);
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.mobile-menu-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    max-width: 350px;
    height: 100vh;
    background: var(--white);
    box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
    transition: right 0.3s ease;
    overflow-y: auto;
    padding: 20px 0;
    z-index: 10000;
}

.mobile-menu-overlay.active .mobile-menu {
    right: 0;
}

/* Mobile Menu Header */
.mobile-menu-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--light-gray);
    background: var(--white);
}

.mobile-menu-header .mobile-menu-link {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 15px;
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
}

/* Mobile Menu List */
.mobile-menu-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.mobile-menu-item {
    border-bottom: 1px solid var(--light-gray);
}

.mobile-menu-item:last-child {
    border-bottom: none;
}

.mobile-menu-link {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 20px;
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: var(--transition);
}

.mobile-menu-link:hover {
    background: var(--light-gray);
    color: var(--secondary-color);
}

.mobile-menu-link i {
    width: 20px;
    text-align: center;
    color: var(--secondary-color);
}

/* Submenu Toggle */
.submenu-toggle {
    background: none;
    border: none;
    padding: 10px;
    cursor: pointer;
    color: var(--secondary-color);
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    border-radius: 50%;
}

.submenu-toggle:hover {
    color: var(--primary-color);
    background: var(--light-gray);
}

.submenu-toggle i {
    transition: transform 0.3s ease;
    font-size: 14px;
}

.submenu-toggle.active i {
    transform: rotate(90deg);
}

/* Mobile Submenu */
.mobile-submenu {
    list-style: none;
    padding: 0;
    margin: 0;
    background: var(--light-gray);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
}

.mobile-submenu.active {
    max-height: 1000px;
}

.mobile-submenu li {
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
}

.mobile-submenu li:last-child {
    border-bottom: none;
}

.mobile-submenu a {
    display: block;
    padding: 15px 20px 15px 40px;
    color: var(--text-color);
    text-decoration: none;
    transition: var(--transition);
    background: var(--white);
    font-size: 14px;
    font-weight: 500;
}

.mobile-submenu a:hover {
    background: var(--light-gray);
    color: var(--secondary-color);
    padding-left: 45px;
    transform: translateX(5px);
}

/* Modern Dropdown Styling */
.dropdown-toggle::after {
    display: none !important;
}

/* Mobile dropdown plus icon */
@media (max-width: 768px) {
    .nav-item.dropdown .dropdown-toggle {
        position: relative;
    }
    
    .nav-item.dropdown .dropdown-toggle::after {
        display: block !important;
        content: "+";
        font-family: Arial, sans-serif;
        font-size: 1.8rem;
        font-weight: 200;
        line-height: 1;
        color: #999;
        position: absolute;
        right: 15px;
        top: 50%;
        transform: translateY(-50%);
        width: 25px;
        height: 25px;
        text-align: center;
        cursor: pointer;
        transition: all 0.3s ease;
        border-radius: 3px;
        background: #f8f9fa;
        border: 1px solid #dee2e6;
    }
    
    .nav-item.dropdown .dropdown-toggle::after:hover {
        background-color: #e9ecef;
        color: #495057;
    }
    
    .nav-item.dropdown.show .dropdown-toggle::after {
        transform: translateY(-50%) rotate(45deg);
        color: #dc3545;
        background-color: #f8d7da;
        border-color: #f5c6cb;
    }
    
    .nav-item.dropdown .nav-link {
        display: flex;
        justify-content: flex-start;
        align-items: center;
        width: 100%;
        padding: 15px 50px 15px 20px;
        border-bottom: 1px solid #eee;
        color: #333;
        font-weight: 500;
        text-decoration: none;
        position: relative;
    }
    
    .nav-item.dropdown .nav-link:hover {
        background-color: #f8f9fa;
        color: var(--primary-color);
    }
    
    .nav-item.dropdown.show .nav-link {
        background-color: #f0f7ff;
        color: var(--primary-color);
        border-left: 3px solid var(--primary-color);
        padding-left: 17px;
    }
    
    /* Mobile navbar styling */
    .navbar-collapse {
        background: white;
        border-top: 1px solid #eee;
        margin-top: 10px;
        box-shadow: 0 4px 8px rgba(0,0,0,0.1);
        border-radius: 0 0 8px 8px;
    }
    
    .navbar-nav {
        padding: 0;
    }
    
    .navbar-nav .nav-item {
        border-bottom: 1px solid #eee;
    }
    
    .navbar-nav .nav-item:last-child {
        border-bottom: none;
    }
    
    .navbar-nav .nav-link {
        padding: 15px 20px;
        color: #333;
        font-weight: 500;
        border-bottom: none;
        transition: all 0.2s ease;
    }
    
    .navbar-nav .nav-link:hover {
        background-color: #f8f9fa;
        color: var(--primary-color);
        padding-left: 25px;
    }
}

.nav-item.dropdown {
    position: relative;
}

.nav-item.dropdown .dropdown-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 280px;
    background: #fff;
    border: none;
    border-radius: 8px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.15);
    padding: 15px 0;
    margin-top: 8px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 1000;
}

/* Hover effect for desktop */
.nav-item.dropdown:hover .dropdown-menu {
    display: block;
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* Dropdown items styling */
.dropdown-menu .dropdown-header {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--primary-color);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 8px 20px 5px 20px;
    margin-bottom: 5px;
    border-bottom: 1px solid #f0f0f0;
}

.dropdown-menu .dropdown-item {
    padding: 10px 20px;
    font-size: 0.95rem;
    color: #333;
    text-decoration: none;
    display: block;
    transition: all 0.2s ease;
    border-left: 3px solid transparent;
}

.dropdown-menu .dropdown-item:hover {
    background: #f8f9fa;
    color: var(--secondary-color);
    border-left-color: var(--secondary-color);
    padding-left: 25px;
}

.dropdown-menu .dropdown-item.active {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border-left-color: white;
    font-weight: 500;
}

.dropdown-menu .dropdown-divider {
    margin: 10px 15px;
    border-top: 1px solid #e9ecef;
}

/* Active page indicator for all pages */
.nav-item .nav-link.active::after {
    width: 100% !important;
}

/* Page Header */
.page-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--white);
    padding: 80px 0;
    text-align: center;
}

.page-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.breadcrumb {
    background: transparent;
    padding: 0;
}

.breadcrumb-item a {
    color: var(--light-gray);
    text-decoration: none;
}

.breadcrumb-item.active {
    color: var(--white);
}

.breadcrumb-item + .breadcrumb-item::before {
    color: var(--light-gray);
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, var(--light-gray) 0%, var(--white) 100%);
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 300px;
    height: 300px;
    background: var(--secondary-color);
    opacity: 0.1;
    border-radius: 50%;
    transform: translate(100px, -100px);
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 10px;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--secondary-color);
    margin-bottom: 20px;
    font-weight: 500;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--dark-gray);
    margin-bottom: 30px;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.hero-buttons .btn {
    padding: 12px 30px;
    border-radius: 50px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: var(--transition);
}

.hero-image {
    width: 100%;
    max-width: 500px;
    border-radius: 20px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    margin-top: 20px;
}

.hero-image:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

/* Services Preview */
.services-preview {
    padding: 80px 0;
    background: var(--white);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 15px;
    text-align: center;
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--dark-gray);
    margin-bottom: 50px;
    text-align: center;
}

.service-card {
    background: var(--white);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    height: 100%;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.15);
}

.service-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: var(--transition);
}

.service-card:hover .service-image {
    transform: scale(1.05);
}

.service-content {
    padding: 25px;
}

.service-content h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.service-content p {
    color: var(--dark-gray);
    margin-bottom: 20px;
    line-height: 1.6;
}

.service-content .btn {
    border-radius: 25px;
    padding: 8px 20px;
    font-weight: 500;
    transition: var(--transition);
}

/* About Preview */
.about-preview {
    padding: 80px 0;
    background: var(--light-gray);
}

.about-text {
    font-size: 1.1rem;
    color: var(--dark-gray);
    margin-bottom: 20px;
    line-height: 1.8;
}

.about-image {
    width: 100%;
    border-radius: 15px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    margin-top: 20px;
}

.about-image:hover {
    transform: scale(1.02);
}

/* Özgeçmiş Section */
.ozgecmis-section {
    padding: 80px 0;
    background: var(--white);
}

.ozgecmis-content {
    max-width: 1000px;
    margin: 0 auto;
}

.profile-image {
    width: 100%;
    max-width: 300px;
    border-radius: 15px;
    box-shadow: var(--shadow);
    margin-bottom: 20px;
}

.ozgecmis-content h3 {
    color: var(--primary-color);
    font-size: 2rem;
    margin-bottom: 10px;
}

.ozgecmis-content .title {
    color: var(--secondary-color);
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 20px;
}

.ozgecmis-content .description {
    color: var(--dark-gray);
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 30px;
}

.education-section,
.experience-section,
.organizations-section {
    margin-bottom: 50px;
}

.education-section h4,
.experience-section h4,
.organizations-section h4 {
    color: var(--primary-color);
    font-size: 1.5rem;
    margin-bottom: 25px;
    border-bottom: 2px solid var(--secondary-color);
    padding-bottom: 10px;
}

.education-section h4 i,
.experience-section h4 i,
.organizations-section h4 i {
    color: var(--secondary-color);
    margin-right: 10px;
}

.timeline {
    position: relative;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 20px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--secondary-color);
}

.timeline-item {
    position: relative;
    margin-bottom: 30px;
    padding-left: 60px;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: 12px;
    top: 0;
    width: 16px;
    height: 16px;
    background: var(--secondary-color);
    border-radius: 50%;
    border: 3px solid var(--white);
    box-shadow: 0 0 0 3px var(--secondary-color);
}

.timeline-content h5 {
    color: var(--primary-color);
    font-size: 1.2rem;
    margin-bottom: 10px;
    font-weight: 600;
}

.timeline-content .institution {
    color: var(--secondary-color);
    font-weight: 500;
    margin-bottom: 5px;
}

.timeline-content .period {
    color: var(--dark-gray);
    font-size: 0.9rem;
    margin-bottom: 5px;
}

.timeline-content .thesis,
.timeline-content .role {
    color: var(--dark-gray);
    font-style: italic;
    font-size: 0.9rem;
}

.organization-list {
    list-style: none;
    padding: 0;
}

.organization-list li {
    padding: 8px 0;
    border-bottom: 1px solid var(--light-gray);
    color: var(--dark-gray);
}

.organization-list li:last-child {
    border-bottom: none;
}

/* Basında Biz Section */
.basinda-biz-section {
    padding: 80px 0;
    background: var(--light-gray);
}

.media-items {
    max-width: 1000px;
    margin: 0 auto;
}

.media-card {
    background: var(--white);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    height: 100%;
}

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

.media-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.media-content {
    padding: 25px;
}

.media-content h4 {
    color: var(--primary-color);
    font-size: 1.3rem;
    margin-bottom: 15px;
    font-weight: 600;
}

.media-source {
    color: var(--secondary-color);
    font-weight: 500;
    margin-bottom: 15px;
    font-size: 0.9rem;
}

.media-excerpt {
    color: var(--dark-gray);
    line-height: 1.6;
    margin-bottom: 20px;
}

.media-content .btn {
    border-radius: 25px;
    padding: 8px 20px;
    font-weight: 500;
}

.badge {
    font-size: 0.8rem;
    padding: 5px 12px;
}

/* SSS Section */
.sss-section {
    padding: 80px 0;
    background: var(--white);
}

.accordion-item {
    border: none;
    margin-bottom: 15px;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.accordion-button {
    background: var(--white);
    color: var(--primary-color);
    font-weight: 600;
    border: none;
    padding: 20px;
    font-size: 1.1rem;
}

.accordion-button:not(.collapsed) {
    background: var(--secondary-color);
    color: var(--white);
    box-shadow: none;
}

.accordion-button:focus {
    box-shadow: none;
    border: none;
}

.accordion-button::after {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%232c3e50'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
}

.accordion-button:not(.collapsed)::after {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23ffffff'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
}

.accordion-body {
    padding: 20px;
    color: var(--dark-gray);
    line-height: 1.6;
    background: var(--light-gray);
}

/* Kanser Türleri Section */
.cancer-types-section {
    padding: 80px 0;
    background: var(--white);
}

.cancer-card {
    background: var(--white);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    height: 100%;
    padding: 20px;
}

.cancer-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.15);
}

.cancer-image {
    width: 100%;
    height: 150px;
    object-fit: cover;
    border-radius: 10px;
    margin-bottom: 15px;
}

.cancer-content h3 {
    color: var(--primary-color);
    font-size: 1.3rem;
    margin-bottom: 10px;
    font-weight: 600;
}

.cancer-description {
    color: var(--dark-gray);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 15px;
}

.cancer-features {
    margin-bottom: 15px;
}

.feature-badge {
    display: inline-block;
    background: var(--light-gray);
    color: var(--secondary-color);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    margin-right: 8px;
    margin-bottom: 8px;
    font-weight: 500;
}

/* Cerrahi İşlemler Section */
.surgical-procedures-section {
    padding: 80px 0;
    background: var(--light-gray);
}

.procedure-card {
    background: var(--white);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    height: 100%;
}

.procedure-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.15);
}

.procedure-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: var(--transition);
}

.procedure-card:hover .procedure-image {
    transform: scale(1.05);
}

.procedure-content {
    padding: 25px;
}

.procedure-content h3 {
    color: var(--primary-color);
    font-size: 1.3rem;
    margin-bottom: 15px;
    font-weight: 600;
}

.procedure-content p {
    color: var(--dark-gray);
    margin-bottom: 20px;
    line-height: 1.6;
}

.procedure-features {
    list-style: none;
    padding: 0;
}

.procedure-features li {
    padding: 5px 0;
    color: var(--dark-gray);
    position: relative;
    padding-left: 20px;
}

.procedure-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--secondary-color);
    font-weight: bold;
}

/* Modal Styles */
.modal-content {
    border-radius: 15px;
    border: none;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

.modal-header {
    background: var(--primary-color);
    color: var(--white);
    border-bottom: none;
    border-radius: 15px 15px 0 0;
}

.modal-title {
    font-weight: 600;
}

.btn-close {
    filter: invert(1);
}

.modal-body h6 {
    color: var(--primary-color);
    font-weight: 600;
    margin-top: 15px;
    margin-bottom: 10px;
}

.modal-body ul {
    padding-left: 20px;
}

.modal-body li {
    margin-bottom: 5px;
    color: var(--dark-gray);
}

/* İletişim Bilgileri Section */
.contact-info-section {
    padding: 80px 0;
    background: var(--white);
}

.contact-card {
    background: var(--white);
    border-radius: 15px;
    padding: 30px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
    height: 100%;
}

.contact-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.15);
}

.contact-icon {
    width: 80px;
    height: 80px;
    background: var(--secondary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.contact-icon i {
    font-size: 2rem;
    color: var(--white);
}

.contact-card h4 {
    color: var(--primary-color);
    font-size: 1.3rem;
    margin-bottom: 15px;
    font-weight: 600;
}

.contact-card p {
    color: var(--white);
    margin-bottom: 10px;
    line-height: 1.6;
}

.contact-card a {
    color: var(--white);
    text-decoration: none;
    transition: var(--transition);
}

.contact-card a:hover {
    color: var(--white);
}

.contact-card small {
    color: var(--white);
    font-size: 0.9rem;
}

/* Randevu Section */
.appointment-section {
    padding: 80px 0;
    background: var(--light-gray);
}

.appointment-card {
    background: var(--white);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    height: 100%;
}

.appointment-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.15);
}

.appointment-image {
    padding: 30px;
    text-align: center;
    background: var(--light-gray);
}

.appointment-image img {
    max-height: 100px;
    object-fit: contain;
}

.appointment-content {
    padding: 25px;
    text-align: center;
}

.appointment-content h4 {
    color: var(--primary-color);
    font-size: 1.3rem;
    margin-bottom: 15px;
    font-weight: 600;
}

.appointment-content p {
    color: var(--dark-gray);
    margin-bottom: 20px;
    line-height: 1.6;
}

/* İletişim Formu Section */
.contact-form-section {
    padding: 80px 0;
    background: var(--white);
}

.contact-form-container {
    background: var(--light-gray);
    border-radius: 15px;
    padding: 40px;
    box-shadow: var(--shadow);
}

.contact-form label {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 8px;
}

.contact-form .form-control,
.contact-form .form-select {
    border: 2px solid var(--light-gray);
    border-radius: 10px;
    padding: 12px 15px;
    transition: var(--transition);
}

.contact-form .form-control:focus,
.contact-form .form-select:focus {
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 0.2rem rgba(52, 152, 219, 0.25);
}

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

.contact-form .form-check-label {
    color: var(--dark-gray);
    font-size: 0.9rem;
}

.contact-form .form-check-label a {
    color: var(--secondary-color);
    text-decoration: none;
}

.contact-form .form-check-label a:hover {
    text-decoration: underline;
}

/* Harita Section */
.map-section {
    padding: 80px 0;
    background: var(--light-gray);
}

.map-container {
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.location-info {
    background: var(--white);
    border-radius: 15px;
    padding: 25px;
    box-shadow: var(--shadow);
    height: 100%;
}

.location-info h4 {
    color: var(--primary-color);
    font-size: 1.2rem;
    margin-bottom: 20px;
    font-weight: 600;
}

.location-info h4 i {
    color: var(--secondary-color);
    margin-right: 10px;
}

.location-info ul {
    list-style: none;
    padding: 0;
}

.location-info li {
    padding: 8px 0;
    border-bottom: 1px solid var(--light-gray);
    color: var(--dark-gray);
}

.location-info li:last-child {
    border-bottom: none;
}

.location-info strong {
    color: var(--primary-color);
}

/* Yayınlarım Section */
.publications-overview {
    padding: 80px 0;
    background: var(--white);
}

.stats-card {
    background: var(--white);
    border-radius: 15px;
    padding: 30px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
    height: 100%;
}

.stats-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.15);
}

.stats-icon {
    width: 80px;
    height: 80px;
    background: var(--secondary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.stats-icon i {
    font-size: 2rem;
    color: var(--white);
}

.stats-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.stats-label {
    color: var(--dark-gray);
    font-size: 1.1rem;
    font-weight: 500;
}

.publications-list {
    padding: 80px 0;
    background: var(--light-gray);
}

.subsection-title {
    color: var(--primary-color);
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 40px;
}

.publication-card {
    background: var(--white);
    border-radius: 15px;
    padding: 25px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    height: 100%;
}

.publication-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.15);
}

.publication-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.publication-year {
    background: var(--secondary-color);
    color: var(--white);
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
}

.publication-type {
    background: var(--light-gray);
    color: var(--secondary-color);
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
}

.publication-title {
    color: var(--primary-color);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 15px;
    line-height: 1.4;
}

.publication-authors {
    color: var(--dark-gray);
    font-size: 0.9rem;
    margin-bottom: 15px;
    line-height: 1.5;
}

.publication-authors strong {
    color: var(--secondary-color);
}

.publication-details {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.journal {
    color: var(--primary-color);
    font-weight: 600;
    font-size: 0.9rem;
}

.doi {
    color: var(--secondary-color);
    font-size: 0.8rem;
    font-family: monospace;
}

.research-areas {
    padding: 80px 0;
    background: var(--white);
}

.research-card {
    background: var(--white);
    border-radius: 15px;
    padding: 30px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
    height: 100%;
}

.research-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.15);
}

.research-icon {
    width: 80px;
    height: 80px;
    background: var(--accent-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.research-icon i {
    font-size: 2rem;
    color: var(--white);
}

.research-card h4 {
    color: var(--primary-color);
    font-size: 1.3rem;
    margin-bottom: 15px;
    font-weight: 600;
}

.research-card p {
    color: var(--dark-gray);
    line-height: 1.6;
}

/* Footer */
.footer {
    background: var(--primary-color);
    color: var(--white);
    padding: 60px 0 20px;
}

.footer h5 {
    color: var(--secondary-color);
    margin-bottom: 20px;
    font-weight: 600;
}

.footer-links {
    list-style: none;
}

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

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

.footer-links a:hover {
    color: var(--secondary-color);
    padding-left: 5px;
}

.footer .contact-info p {
    margin-bottom: 10px;
    display: flex;
    align-items: center;
}

.footer .contact-info i {
    margin-right: 10px;
    color: var(--secondary-color);
    width: 20px;
}

.footer .social-links a {
    color: var(--white);
    margin-right: 15px;
    font-size: 18px;
    transition: var(--transition);
}

.footer .social-links a:hover {
    color: var(--secondary-color);
    transform: translateY(-3px);
}

.footer hr {
    border-color: var(--dark-gray);
    margin: 30px 0 20px;
}

/* Buttons */
.btn-primary {
    background: var(--secondary-color);
    border-color: var(--secondary-color);
    transition: var(--transition);
}

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

.btn-outline-primary {
    color: var(--secondary-color);
    border-color: var(--secondary-color);
    transition: var(--transition);
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .page-title {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-buttons .btn {
        width: 100%;
        max-width: 300px;
    }
    
    .top-bar .contact-info {
        display: none;
    }
    
    .top-bar .social-links {
        text-align: center;
        margin-top: 0;
    }
    
    /* Mobile dropdown behavior - Portakal İşitme Style */
    .nav-item.dropdown:hover .dropdown-menu {
        display: none !important;
        opacity: 0;
        visibility: hidden;
        transform: translateY(-10px);
    }
    
    .nav-item.dropdown.show .dropdown-menu {
        display: block !important;
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
        position: static;
        box-shadow: none;
        margin: 0;
        border-radius: 0;
        background: #f9f9f9;
        width: 100%;
        min-width: auto;
        max-height: none;
        overflow: visible;
        border: none;
        padding: 0;
    }
    
    .dropdown-menu .dropdown-item {
        padding: 12px 30px;
        border-left: none;
        border-bottom: 1px solid #eee;
        font-size: 0.9rem;
        color: #555;
        background: transparent;
        text-decoration: none;
        display: block;
        transition: all 0.2s ease;
    }
    
    .dropdown-menu .dropdown-item:hover {
        padding-left: 30px;
        border-left: none;
        background: #f0f0f0;
        color: var(--primary-color);
    }
    
    .dropdown-menu .dropdown-item.active {
        background: var(--primary-color);
        color: white;
        font-weight: 600;
    }
    
    .dropdown-menu .dropdown-header {
        padding: 10px 30px 8px 30px;
        font-size: 0.75rem;
        color: var(--primary-color);
        background: #f0f0f0;
        margin: 0;
        border-bottom: 1px solid #ddd;
        text-transform: uppercase;
        font-weight: 600;
        letter-spacing: 0.5px;
    }
    
    .dropdown-menu .dropdown-divider {
        margin: 0;
        border-color: #ddd;
        opacity: 1;
    }
    
    /* First dropdown item */
    .dropdown-menu .dropdown-item:first-of-type {
        border-top: 1px solid #eee;
    }
    
    .timeline::before {
        left: 15px;
    }
    
    .timeline-item {
        padding-left: 50px;
    }
    
    .timeline-item::before {
        left: 7px;
        width: 14px;
        height: 14px;
    }
    
    .cancer-card {
        padding: 15px;
    }
    
    .cancer-image {
        height: 120px;
    }
    
    .contact-form-container {
        padding: 25px;
    }
    
    .contact-card {
        padding: 20px;
    }
    
    .appointment-content {
        padding: 20px;
    }
    
    .stats-card {
        padding: 20px;
    }
    
    .stats-number {
        font-size: 2rem;
    }
    
    .publication-card {
        padding: 20px;
    }
    
    .publication-title {
        font-size: 1rem;
    }
}

@media (max-width: 576px) {
    .hero-section {
        padding: 60px 0;
    }
    
    .services-preview,
    .about-preview,
    .ozgecmis-section,
    .basinda-biz-section,
    .sss-section,
    .cancer-types-section,
    .surgical-procedures-section,
    .contact-info-section,
    .appointment-section,
    .contact-form-section,
    .map-section,
    .publications-overview,
    .publications-list,
    .research-areas {
        padding: 50px 0;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .page-title {
        font-size: 2rem;
    }
    
    .page-header {
        padding: 60px 0;
    }
    
    .cancer-card {
        padding: 15px;
    }
    
    .cancer-image {
        height: 100px;
    }
    
    .feature-badge {
        font-size: 0.7rem;
        padding: 3px 8px;
    }
    
    .contact-form-container {
        padding: 20px;
    }
    
    .contact-card {
        padding: 20px;
    }
    
    .appointment-content {
        padding: 20px;
    }
    
    .location-info {
        padding: 20px;
        margin-bottom: 20px;
    }
    
    .stats-card {
        padding: 20px;
    }
    
    .stats-number {
        font-size: 1.8rem;
    }
    
    .navbar-brand {
        flex-direction: row;
        gap: 10px;
        text-align: left;
    }
    
    .brand-text {
        text-align: left;
    }
    
    .doctor-name {
        font-size: 16px;
    }
    
    .doctor-title {
        font-size: 12px;
    }
    
    .publication-card {
        padding: 15px;
    }
    
    .publication-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
    
    .publication-title {
        font-size: 0.95rem;
    }
}

/* Animation Classes */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Service Detail Pages */
.service-detail-section {
    padding: 80px 0;
    background: var(--white);
}

.service-content {
    background: var(--white);
    border-radius: 15px;
    padding: 30px;
    box-shadow: var(--shadow);
}

.service-hero-image {
    width: 100%;
    height: 300px;
    object-fit: cover;
    border-radius: 15px;
    margin-bottom: 25px;
    box-shadow: var(--shadow);
}

.service-description {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--dark-gray);
    margin-bottom: 30px;
}

.service-section {
    margin-bottom: 40px;
}

.service-section h2 {
    color: var(--primary-color);
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 20px;
    border-bottom: 3px solid var(--secondary-color);
    padding-bottom: 10px;
}

.service-section h3 {
    color: var(--secondary-color);
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 15px;
    margin-top: 25px;
}

.service-section p {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--dark-gray);
    margin-bottom: 15px;
}

.symptom-list, .risk-list {
    list-style: none;
    padding-left: 0;
}

.symptom-list li, .risk-list li {
    background: var(--light-gray);
    padding: 12px 20px;
    margin-bottom: 10px;
    border-radius: 8px;
    border-left: 4px solid var(--secondary-color);
    font-weight: 500;
    color: var(--dark-gray);
}

.surgical-option {
    background: var(--light-gray);
    padding: 25px;
    border-radius: 12px;
    margin-bottom: 20px;
    border-left: 5px solid var(--primary-color);
}

.surgical-option h3 {
    color: var(--primary-color);
    margin-top: 0;
}

.service-sidebar {
    position: sticky;
    top: 100px;
}

.related-services, .surgical-procedures {
    background: var(--white);
    border-radius: 15px;
    padding: 25px;
    margin-bottom: 25px;
    box-shadow: var(--shadow);
}

.related-services h4, .surgical-procedures h4 {
    color: var(--primary-color);
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 20px;
    border-bottom: 2px solid var(--secondary-color);
    padding-bottom: 10px;
}

.related-list, .procedure-list {
    list-style: none;
    padding-left: 0;
}

.related-list li, .procedure-list li {
    margin-bottom: 12px;
}

.related-list a, .procedure-list a {
    color: var(--dark-gray);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    display: block;
    padding: 8px 15px;
    border-radius: 8px;
    background: var(--light-gray);
}

.related-list a:hover, .procedure-list a:hover {
    color: var(--secondary-color);
    background: var(--white);
    transform: translateX(5px);
}

.contact-card {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--white);
    border-radius: 15px;
    padding: 25px;
    text-align: center;
    box-shadow: var(--shadow);
}

.contact-card h4 {
    color: var(--white);
    margin-bottom: 15px;
}

.contact-card p {
    color: var(--white);
    margin-bottom: 20px;
    opacity: 0.9;
}

.contact-card .btn {
    background: var(--white);
    color: var(--primary-color);
    border: none;
    font-weight: 600;
    padding: 12px 30px;
    border-radius: 50px;
    transition: var(--transition);
}

.contact-card .btn:hover {
    background: var(--light-gray);
    transform: translateY(-2px);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--light-gray);
}

::-webkit-scrollbar-thumb {
    background: var(--secondary-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-color);
}