/*!
 * Diş Kliniği Scripti v1 - Ana CSS Dosyası
 * Modern, responsive ve sağlık temasına uygun tasarım
 */

:root {
    /* Ana Renkler - Sağlık Teması */
    --primary-color: #007bff;
    --primary-dark: #0056b3;
    --primary-light: #66b3ff;
    --secondary-color: #6c757d;
    --success-color: #28a745;
    --info-color: #17a2b8;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --light-color: #f8f9fa;
    --dark-color: #343a40;
    
    /* Özel Renkler */
    --health-blue: #007bff;
    --health-light-blue: #e3f2fd;
    --health-dark-blue: #0056b3;
    --clean-white: #ffffff;
    --soft-gray: #f8f9fa;
    --text-gray: #6c757d;
    --border-gray: #dee2e6;
    
    /* Font Aileleri */
    --font-primary: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --font-heading: 'Poppins', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    
    /* Spacing */
    --section-padding: 80px 0;
    --container-padding: 0 15px;
    
    /* Border Radius */
    --border-radius: 8px;
    --border-radius-lg: 12px;
    --border-radius-xl: 16px;
    
    /* Box Shadow */
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 8px rgba(0,0,0,0.1);
    --shadow-lg: 0 8px 16px rgba(0,0,0,0.1);
    --shadow-xl: 0 16px 32px rgba(0,0,0,0.1);
    
    /* Transition */
    --transition: all 0.3s ease;
}

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

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--dark-color);
    background-color: var(--clean-white);
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 1rem;
    color: var(--dark-color);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: 1rem;
    color: var(--text-gray);
}

/* Link Stilleri */
a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--primary-dark);
    text-decoration: none;
}

/* Button Stilleri */
.btn {
    font-family: var(--font-primary);
    font-weight: 500;
    padding: 12px 24px;
    border-radius: var(--border-radius);
    border: none;
    transition: var(--transition);
    cursor: pointer;
    display: inline-block;
    text-align: center;
    text-decoration: none;
}

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

.btn-primary:hover {
    background-color: var(--primary-dark);
    border-color: var(--primary-dark);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

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

.btn-lg {
    padding: 16px 32px;
    font-size: 1.1rem;
}

.btn-sm {
    padding: 8px 16px;
    font-size: 0.9rem;
}

/* Header ve Navigation */
.navbar {
    background-color: var(--clean-white) !important;
    box-shadow: var(--shadow-sm);
    padding: 1rem 0;
    transition: var(--transition);
}

.navbar-brand {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color) !important;
}

.navbar-nav {
    display: flex;
    flex-direction: row;
    align-items: center;
}

.navbar-nav .nav-item {
    display: flex;
    align-items: center;
}

.navbar-nav .nav-link {
    font-weight: 500;
    color: var(--dark-color) !important;
    margin: 0 0.25rem;
    padding: 0.5rem 1rem !important;
    border-radius: var(--border-radius);
    transition: var(--transition);
    white-space: nowrap;
    display: flex;
    align-items: center;
}

.navbar-nav .nav-link i {
    margin-right: 0.25rem;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
    color: var(--primary-color) !important;
    background-color: var(--health-light-blue);
}

.navbar-nav .nav-link.btn {
    margin-left: 0.5rem;
    white-space: nowrap;
}

/* Desktop Navbar */
@media (min-width: 992px) {
    .navbar-nav {
        flex-direction: row;
        align-items: center;
        margin-top: 0;
    }
    
    .navbar-nav .nav-item {
        margin: 0;
        width: auto;
    }
    
    .navbar-nav .nav-link {
        margin: 0 0.25rem;
        padding: 0.5rem 1rem !important;
        display: flex;
        align-items: center;
        width: auto;
        text-align: left;
        white-space: nowrap;
    }
    
    .navbar-nav .nav-link.btn {
        margin-left: 0.5rem;
        width: auto;
    }
}

/* Tablet Navbar */
@media (min-width: 768px) and (max-width: 991px) {
    .navbar-nav .nav-link {
        padding: 0.5rem 0.75rem !important;
        font-size: 0.9rem;
    }
    
    .navbar-nav .nav-link i {
        margin-right: 0.2rem;
    }
}

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

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="%23007bff" opacity="0.1"/><circle cx="75" cy="75" r="1" fill="%23007bff" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--dark-color);
    margin-bottom: 1.5rem;
    line-height: 1.1;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-gray);
    margin-bottom: 2rem;
    line-height: 1.6;
}

.hero-image {
    position: relative;
    z-index: 2;
}

.hero-image img {
    max-width: 100%;
    height: auto;
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-xl);
}

/* Section Stilleri */
.section {
    padding: var(--section-padding);
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--dark-color);
    margin-bottom: 1rem;
}

.section-title p {
    font-size: 1.1rem;
    color: var(--text-gray);
    max-width: 600px;
    margin: 0 auto;
}

/* Card Stilleri */
.card {
    border: none;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    overflow: hidden;
    background-color: var(--clean-white);
}

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

.card-img-top {
    height: 200px;
    object-fit: cover;
    transition: var(--transition);
}

.card:hover .card-img-top {
    transform: scale(1.05);
}

.card-body {
    padding: 1.5rem;
}

.card-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--dark-color);
    margin-bottom: 0.75rem;
}

.card-text {
    color: var(--text-gray);
    margin-bottom: 1rem;
}

/* Service Cards */
.service-card {
    text-align: center;
    padding: 2rem;
    border-radius: var(--border-radius-lg);
    background-color: var(--clean-white);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    height: 100%;
}

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

.service-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
    color: white;
}

.service-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--dark-color);
    margin-bottom: 1rem;
}

.service-description {
    color: var(--text-gray);
    margin-bottom: 1.5rem;
}

.service-price {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Doctor Cards */
.doctor-card {
    text-align: center;
    padding: 1.5rem;
    border-radius: var(--border-radius-lg);
    background-color: var(--clean-white);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    height: 100%;
}

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

.doctor-photo {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    object-fit: cover;
    margin: 0 auto 1rem;
    border: 4px solid var(--health-light-blue);
}

.doctor-name {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--dark-color);
    margin-bottom: 0.5rem;
}

.doctor-title {
    font-size: 1rem;
    color: var(--primary-color);
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.doctor-specialty {
    font-size: 0.9rem;
    color: var(--text-gray);
    margin-bottom: 1rem;
}

.doctor-experience {
    font-size: 0.9rem;
    color: var(--text-gray);
    margin-bottom: 1rem;
}

/* Form Stilleri */
.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    font-weight: 500;
    color: var(--dark-color);
    margin-bottom: 0.5rem;
    display: block;
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border-gray);
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: var(--transition);
    background-color: var(--clean-white);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.1);
}

.form-control.is-invalid {
    border-color: var(--danger-color);
}

.form-control.is-valid {
    border-color: var(--success-color);
}

.invalid-feedback {
    color: var(--danger-color);
    font-size: 0.875rem;
    margin-top: 0.25rem;
    display: block;
}

.valid-feedback {
    color: var(--success-color);
    font-size: 0.875rem;
    margin-top: 0.25rem;
    display: block;
}

/* Testimonial Stilleri */
.testimonial {
    background-color: var(--health-light-blue);
    padding: 2rem;
    border-radius: var(--border-radius-lg);
    text-align: center;
    margin-bottom: 2rem;
}

.testimonial-text {
    font-size: 1.1rem;
    font-style: italic;
    color: var(--dark-color);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.testimonial-author {
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.testimonial-position {
    font-size: 0.9rem;
    color: var(--text-gray);
}

/* Footer */
.footer {
    background-color: var(--dark-color);
    color: var(--clean-white);
    padding: 3rem 0 1rem;
}

.footer h5 {
    color: var(--clean-white);
    margin-bottom: 1rem;
}

.footer p,
.footer a {
    color: #adb5bd;
    margin-bottom: 0.5rem;
}

.footer a:hover {
    color: var(--primary-color);
}

.footer-bottom {
    border-top: 1px solid #495057;
    padding-top: 1rem;
    margin-top: 2rem;
    text-align: center;
}

/* Utility Classes */
.text-primary { color: var(--primary-color) !important; }
.text-secondary { color: var(--secondary-color) !important; }
.text-success { color: var(--success-color) !important; }
.text-danger { color: var(--danger-color) !important; }
.text-warning { color: var(--warning-color) !important; }
.text-info { color: var(--info-color) !important; }
.text-light { color: var(--light-color) !important; }
.text-dark { color: var(--dark-color) !important; }

.bg-primary { background-color: var(--primary-color) !important; }
.bg-secondary { background-color: var(--secondary-color) !important; }
.bg-success { background-color: var(--success-color) !important; }
.bg-danger { background-color: var(--danger-color) !important; }
.bg-warning { background-color: var(--warning-color) !important; }
.bg-info { background-color: var(--info-color) !important; }
.bg-light { background-color: var(--light-color) !important; }
.bg-dark { background-color: var(--dark-color) !important; }

.bg-health-light { background-color: var(--health-light-blue) !important; }

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

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

.slide-in-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: all 0.6s ease;
}

.slide-in-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.slide-in-right {
    opacity: 0;
    transform: translateX(50px);
    transition: all 0.6s ease;
}

.slide-in-right.visible {
    opacity: 1;
    transform: translateX(0);
}

/* Loading Spinner */
.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--border-gray);
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Alert Stilleri */
.alert {
    border: none;
    border-radius: var(--border-radius);
    padding: 1rem 1.5rem;
    margin-bottom: 1rem;
}

.alert-success {
    background-color: #d4edda;
    color: #155724;
    border-left: 4px solid var(--success-color);
}

.alert-danger {
    background-color: #f8d7da;
    color: #721c24;
    border-left: 4px solid var(--danger-color);
}

.alert-warning {
    background-color: #fff3cd;
    color: #856404;
    border-left: 4px solid var(--warning-color);
}

.alert-info {
    background-color: #d1ecf1;
    color: #0c5460;
    border-left: 4px solid var(--info-color);
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .section-title h2 {
        font-size: 2rem;
    }
    
    .service-card,
    .doctor-card {
        margin-bottom: 2rem;
    }
    
    .navbar-nav {
        flex-direction: column;
        text-align: center;
        margin-top: 1rem;
        width: 100%;
    }
    
    .navbar-nav .nav-item {
        width: 100%;
        margin: 0.25rem 0;
    }
    
    .navbar-nav .nav-link {
        margin: 0;
        padding: 0.75rem 1rem !important;
        display: block;
        width: 100%;
        text-align: center;
    }
    
    .navbar-nav .nav-link.btn {
        margin: 0.5rem 0;
        width: 100%;
    }
}

@media (max-width: 576px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .section {
        padding: 60px 0;
    }
    
    .service-card,
    .doctor-card {
        padding: 1.5rem;
    }
    
    .btn {
        width: 100%;
        margin-bottom: 0.5rem;
    }
}

/* Print Styles */
@media print {
    .navbar,
    .footer,
    .btn {
        display: none !important;
    }
    
    .section {
        padding: 20px 0;
    }
    
    .card {
        box-shadow: none;
        border: 1px solid var(--border-gray);
    }
}

/* Accessibility */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Focus Styles */
.btn:focus,
.form-control:focus,
.nav-link:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
    :root {
        --primary-color: #0000ff;
        --text-gray: #000000;
        --border-gray: #000000;
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}