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

:root {
    /* DrClinic Color Palette - Kırmızı ve Lacivert */
    --primary-red: #dc2626;
    --secondary-red: #b91c1c;
    --accent-red: #ef4444;
    --primary-navy: #1e3a8a;
    --secondary-navy: #1e40af;
    --accent-navy: #3b82f6;
    --light-red: #fef2f2;
    --light-navy: #eff6ff;
    --white: #ffffff;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    
    /* Spacing */
    --spacing-1: 0.25rem;
    --spacing-2: 0.5rem;
    --spacing-3: 0.75rem;
    --spacing-4: 1rem;
    --spacing-5: 1.25rem;
    --spacing-6: 1.5rem;
    --spacing-8: 2rem;
    --spacing-10: 2.5rem;
    --spacing-12: 3rem;
    --spacing-16: 4rem;
    --spacing-20: 5rem;
    
    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.375rem;
    --radius-lg: 0.5rem;
    --radius-xl: 0.75rem;
    --radius-2xl: 1rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

body {
    font-family: var(--font-family);
    line-height: 1.6;
    color: var(--gray-700);
    background-color: var(--white);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-4);
}

/* Header Styles */
.header {
    background-color: var(--white);
    box-shadow: var(--shadow-sm);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
}

.navbar {
    padding: var(--spacing-4) 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-4);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--primary-red);
}

.nav-logo i {
    font-size: var(--font-size-2xl);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-8);
    align-items: center;
}

.nav-menu a {
    text-decoration: none;
    color: var(--gray-600);
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-menu a:hover {
    color: var(--primary-red);
}

.register-btn {
    background-color: var(--primary-red) !important;
    color: var(--white) !important;
    padding: var(--spacing-2) var(--spacing-4);
    border-radius: var(--radius-lg);
    transition: background-color 0.3s ease;
}

.register-btn:hover {
    background-color: var(--primary-navy) !important;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: var(--gray-600);
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--light-red) 0%, var(--light-navy) 100%);
    padding: var(--spacing-20) 0 var(--spacing-16);
    margin-top: 80px;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-4);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-12);
    align-items: center;
}

.hero-content h1 {
    font-size: var(--font-size-5xl);
    font-weight: 700;
    color: var(--gray-800);
    margin-bottom: var(--spacing-6);
    line-height: 1.2;
}

.hero-content p {
    font-size: var(--font-size-lg);
    color: var(--gray-600);
    margin-bottom: var(--spacing-8);
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-4);
}

.btn {
    display: inline-block;
    padding: var(--spacing-3) var(--spacing-6);
    border-radius: var(--radius-lg);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: var(--font-size-base);
}

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

.btn-primary:hover {
    background-color: var(--primary-navy);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

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

.btn-large {
    padding: var(--spacing-4) var(--spacing-8);
    font-size: var(--font-size-lg);
}

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

.hero-placeholder {
    background-color: var(--white);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-12);
    text-align: center;
    box-shadow: var(--shadow-xl);
    border: 3px solid var(--light-red);
}

.hero-placeholder i {
    font-size: 4rem;
    color: var(--primary-red);
    margin-bottom: var(--spacing-4);
}

.hero-placeholder p {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--gray-700);
}

/* Section Styles */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-16);
}

.section-header h2 {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    color: var(--gray-800);
    margin-bottom: var(--spacing-4);
}

.section-header p {
    font-size: var(--font-size-lg);
    color: var(--gray-600);
}

/* Services Section */
.services {
    padding: var(--spacing-20) 0;
    background-color: var(--gray-50);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-8);
}

.service-card {
    background-color: var(--white);
    padding: var(--spacing-8);
    border-radius: var(--radius-xl);
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid var(--gray-200);
}

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

.service-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-red), var(--primary-red));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-6);
}

.service-icon i {
    font-size: var(--font-size-3xl);
    color: var(--white);
}

.service-card h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: var(--spacing-4);
}

.service-card p {
    color: var(--gray-600);
    line-height: 1.6;
}

/* Gallery Section */
.gallery {
    padding: var(--spacing-20) 0;
    background-color: var(--gray-50);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-6);
}

.gallery-item {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    cursor: pointer;
}

.gallery-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.gallery-img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    object-position: center;
    transition: transform 0.3s ease;
}

.gallery-item:hover .gallery-img {
    transform: scale(1.05);
}

.gallery-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(44, 90, 160, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

.gallery-overlay i {
    color: var(--white);
    font-size: var(--font-size-3xl);
}

/* Registration Section */
.registration {
    padding: var(--spacing-20) 0;
    background-color: var(--gray-50);
}

.registration-form-container {
    max-width: 600px;
    margin: 0 auto;
}

.registration-form {
    background-color: var(--white);
    padding: var(--spacing-8);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--gray-200);
}

.form-group {
    margin-bottom: var(--spacing-6);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-2);
    font-weight: 600;
    color: var(--gray-700);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-3);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-base);
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
    font-family: var(--font-family);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-red);
    box-shadow: 0 0 0 3px rgba(44, 90, 160, 0.1);
}

.checkbox-group {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-3);
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-3);
    cursor: pointer;
    font-size: var(--font-size-sm);
    line-height: 1.5;
}

.checkbox-label input[type="checkbox"] {
    width: auto;
    margin: 0;
}

.checkbox-label a {
    color: var(--primary-red);
    text-decoration: none;
}

.checkbox-label a:hover {
    text-decoration: underline;
}

/* Contact Section */
.contact {
    padding: var(--spacing-20) 0;
}

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

.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-8);
    max-width: 600px;
    margin: 0 auto;
}

.contact-item {
    display: flex;
    gap: var(--spacing-4);
    padding: var(--spacing-6);
    background-color: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-200);
}

.contact-item i {
    font-size: var(--font-size-2xl);
    color: var(--primary-red);
    margin-top: var(--spacing-1);
}

.contact-item h4 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: var(--spacing-2);
}

.contact-item p {
    color: var(--gray-600);
    line-height: 1.6;
}

/* Footer */
.footer {
    background-color: var(--gray-800);
    color: var(--white);
    padding: var(--spacing-16) 0 var(--spacing-8);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-8);
    margin-bottom: var(--spacing-8);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--spacing-4);
}

.footer-logo i {
    font-size: var(--font-size-2xl);
    color: var(--primary-red);
}

.footer-section h4 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-4);
    color: var(--white);
}

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

.footer-section ul li {
    margin-bottom: var(--spacing-2);
}

.footer-section ul li a {
    color: var(--gray-300);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: var(--primary-red);
}

.social-links {
    display: flex;
    gap: var(--spacing-4);
}

.social-links a {
    width: 40px;
    height: 40px;
    background-color: var(--gray-700);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    text-decoration: none;
    transition: background-color 0.3s ease;
}

.social-links a:hover {
    background-color: var(--primary-red);
}

.footer-bottom {
    border-top: 1px solid var(--gray-700);
    padding-top: var(--spacing-8);
    text-align: center;
    color: var(--gray-400);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-4);
}

.footer-links {
    display: flex;
    gap: var(--spacing-6);
    flex-wrap: wrap;
    justify-content: center;
}

.footer-link {
    color: var(--gray-400);
    text-decoration: none;
    font-size: var(--font-size-sm);
    transition: all 0.3s ease;
    padding: var(--spacing-2) var(--spacing-3);
    border-radius: 4px;
}

.footer-link:hover {
    color: var(--primary-red);
    background-color: rgba(220, 38, 38, 0.1);
    transform: translateY(-1px);
}

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--white);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow-lg);
        padding: var(--spacing-8) 0;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-8);
    }
    
    .hero-content h1 {
        font-size: var(--font-size-4xl);
    }
    
    .hero-buttons {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-8);
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-info {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .social-links {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-3);
    }
    
    .hero {
        padding: var(--spacing-16) 0 var(--spacing-12);
    }
    
    .hero-content h1 {
        font-size: var(--font-size-3xl);
    }
    
    .section-header h2 {
        font-size: var(--font-size-3xl);
    }
    
    .registration-form {
        padding: var(--spacing-6);
    }
    
    .btn {
        padding: var(--spacing-3) var(--spacing-4);
        font-size: var(--font-size-sm);
    }
    
    .btn-large {
        padding: var(--spacing-4) var(--spacing-6);
        font-size: var(--font-size-base);
    }
    
    .footer-links {
        flex-direction: column;
        gap: var(--spacing-3);
    }
    
    .footer-link {
        font-size: var(--font-size-xs);
        padding: var(--spacing-1) var(--spacing-2);
    }
}

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

/* Loading Animation */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.service-card,
.contact-item {
    animation: fadeInUp 0.6s ease-out;
}

/* Catalog Card Styles */
.catalog-card {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    height: 100%;
}

.catalog-image {
    width: 100%;
    height: 200px;
    margin: 0 auto var(--spacing-6);
    position: relative;
    perspective: 1000px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.catalog-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: transform 0.3s ease;
}

.catalog-image:hover {
    transform: translateY(-5px) rotateY(5deg);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
}

.catalog-image:hover .catalog-img {
    transform: scale(1.05);
}

.catalog-card h3 {
    margin-bottom: var(--spacing-6);
    flex-grow: 1;
}

.catalog-card .btn {
    margin-top: auto;
    width: 100%;
    padding: var(--spacing-3) var(--spacing-4);
}

/* Form Validation Styles */
.form-group input.error,
.form-group select.error,
.form-group textarea.error {
    border-color: #ef4444;
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.error-message {
    color: #ef4444;
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-1);
}

.success-message {
    color: var(--primary-red);
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-1);
}

/* WhatsApp Butonu Stilleri */
.whatsapp-container {
    position: relative;
}

/* Desktop WhatsApp Butonu */
.desktop-whatsapp {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: #25D366;
    color: white;
    padding: 15px 20px;
    border-radius: 50px;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 10px;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.3);
    z-index: 1000;
    transition: all 0.3s ease;
    font-weight: 600;
    font-size: 16px;
}

.desktop-whatsapp:hover {
    background: #128C7E;
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(37, 211, 102, 0.4);
}

.whatsapp-icon {
    width: 24px;
    height: 24px;
    fill: currentColor;
}

.whatsapp-text {
    font-size: 16px;
    font-weight: 600;
}

/* Mobil WhatsApp Bölümü */
.mobile-whatsapp {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(135deg, #25D366, #128C7E);
    z-index: 1000;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.1);
}

.mobile-whatsapp-btn {
    display: block;
    text-decoration: none;
    color: white;
    padding: 15px 20px;
    width: 100%;
}

.whatsapp-content {
    display: flex;
    align-items: center;
    gap: 15px;
    max-width: 1200px;
    margin: 0 auto;
}

.whatsapp-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.whatsapp-title {
    font-size: 16px;
    font-weight: 700;
    color: white;
}

.whatsapp-subtitle {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
}

/* Responsive */
@media (max-width: 768px) {
    .desktop-whatsapp {
        display: none;
    }
    
    .mobile-whatsapp {
        display: block;
    }
    
    /* Mobilde footer'a padding ekle */
    .footer {
        padding-bottom: 80px;
    }
}

@media (min-width: 769px) {
    .mobile-whatsapp {
        display: none;
    }
    
    .desktop-whatsapp {
        display: flex;
    }
}

/* İletişim Bölümü - İki Kartlı Tasarım */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
}

.contact-card {
    background: white;
    border-radius: 20px;
    padding: 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.contact-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

/* WhatsApp Kartı */
.whatsapp-card {
    background: linear-gradient(135deg, #25D366, #128C7E);
    color: white;
    border: 2px solid #25D366;
}

.whatsapp-card:hover {
    border-color: #128C7E;
    box-shadow: 0 20px 40px rgba(37, 211, 102, 0.3);
}

/* Email Kartı */
.email-card {
    background: linear-gradient(135deg, #dc2626, #b91c1c);
    color: white;
    border: 2px solid #dc2626;
}

.email-card:hover {
    border-color: #b91c1c;
    box-shadow: 0 20px 40px rgba(220, 38, 38, 0.3);
}

.contact-card-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
}

.contact-icon {
    width: 40px;
    height: 40px;
    fill: currentColor;
}

.contact-card-header h3 {
    font-size: 24px;
    font-weight: 700;
    margin: 0;
}

.contact-card-body p {
    font-size: 16px;
    margin-bottom: 20px;
    opacity: 0.9;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 25px;
}

.contact-label {
    font-weight: 600;
    font-size: 14px;
    opacity: 0.8;
}

.contact-value {
    font-size: 18px;
    font-weight: 700;
}

.contact-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 15px 25px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 16px;
    transition: all 0.3s ease;
    border: 2px solid rgba(255, 255, 255, 0.3);
    background: rgba(255, 255, 255, 0.1);
    color: white;
    backdrop-filter: blur(10px);
}

.contact-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-2px);
}

.btn-icon {
    width: 20px;
    height: 20px;
    fill: currentColor;
}

/* Responsive */
@media (max-width: 768px) {
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .contact-card {
        padding: 25px;
    }
    
    .contact-card-header h3 {
        font-size: 20px;
    }
    
    .contact-icon {
        width: 35px;
        height: 35px;
    }
}