/* ============================================
   Erkek Sağlığı Rehberi - Ana Stiller
   ============================================ */

/* CSS Variables */
:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --secondary: #10b981;
    --accent: #f59e0b;
    --text: #1f2937;
    --text-light: #6b7280;
    --text-lighter: #9ca3af;
    --bg: #ffffff;
    --bg-alt: #f9fafb;
    --bg-dark: #111827;
    --border: #e5e7eb;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --radius: 8px;
    --radius-lg: 12px;
    --transition: all 0.2s ease;
}

/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text);
    background-color: var(--bg);
}

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

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

img {
    max-width: 100%;
    height: auto;
    display: block;
}

ul, ol {
    margin-left: 1.5rem;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius);
    border: none;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
}

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

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

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

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

/* Links */
.link {
    color: var(--primary);
    font-weight: 500;
}

.link:hover {
    text-decoration: underline;
}

/* ============================================
   Header & Navigation
   ============================================ */
.header {
    background-color: var(--bg);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text);
}

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

.logo-icon {
    color: var(--primary);
    font-size: 1.5rem;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    margin: 0;
}

.nav-menu a {
    color: var(--text);
    font-weight: 500;
    padding: 0.5rem 0;
    position: relative;
}

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

.nav-menu a.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background-color: var(--primary);
}

/* Dropdown */
.dropdown {
    position: relative;
}

.dropdown-content {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background-color: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    min-width: 200px;
    padding: 0.5rem 0;
    z-index: 10;
}

.dropdown:hover .dropdown-content {
    display: block;
}

.dropdown-content a {
    display: block;
    padding: 0.5rem 1rem;
    color: var(--text);
}

.dropdown-content a:hover {
    background-color: var(--bg-alt);
    color: var(--primary);
}

/* Mobile Menu */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.menu-toggle span {
    display: block;
    width: 25px;
    height: 2px;
    background-color: var(--text);
    transition: var(--transition);
}

@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
    }
    
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--bg);
        border-bottom: 1px solid var(--border);
        flex-direction: column;
        padding: 1rem;
        gap: 0;
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .nav-menu li {
        border-bottom: 1px solid var(--border);
    }
    
    .nav-menu li:last-child {
        border-bottom: none;
    }
    
    .nav-menu a {
        display: block;
        padding: 0.75rem 0;
    }
    
    .dropdown-content {
        position: static;
        box-shadow: none;
        border: none;
        padding-left: 1rem;
    }
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 4rem 0;
    text-align: center;
}

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

.hero h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.hero p {
    font-size: 1.25rem;
    opacity: 0.9;
    margin-bottom: 2rem;
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero p {
        font-size: 1rem;
    }
}

/* ============================================
   Sections
   ============================================ */
.section {
    padding: 4rem 0;
}

.section--alt {
    background-color: var(--bg-alt);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.section-header h2 {
    font-size: 1.75rem;
    font-weight: 700;
}

/* Page Header */
.page-header {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 3rem 0;
    text-align: center;
}

.page-header h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.page-header p {
    font-size: 1.125rem;
    opacity: 0.9;
}

/* ============================================
   Article Cards
   ============================================ */
.articles-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

@media (max-width: 992px) {
    .articles-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 576px) {
    .articles-grid {
        grid-template-columns: 1fr;
    }
}

.article-card {
    background-color: var(--bg);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.article-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.article-image {
    position: relative;
    display: block;
    overflow: hidden;
    aspect-ratio: 16/9;
}

.article-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

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

.article-category {
    position: absolute;
    top: 1rem;
    left: 1rem;
    background-color: var(--primary);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: capitalize;
}

.featured-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background-color: var(--accent);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius);
    font-size: 0.75rem;
    font-weight: 600;
}

.article-content {
    padding: 1.5rem;
}

.article-content h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
    line-height: 1.4;
}

.article-content h3 a {
    color: var(--text);
}

.article-content h3 a:hover {
    color: var(--primary);
}

.article-content p {
    color: var(--text-light);
    font-size: 0.9375rem;
    margin-bottom: 1rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    font-size: 0.875rem;
    color: var(--text-light);
}

.author {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.author img {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    object-fit: cover;
}

/* Article List */
.articles-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.article-list-item {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 1.5rem;
    background-color: var(--bg);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
}

@media (max-width: 768px) {
    .article-list-item {
        grid-template-columns: 1fr;
    }
}

.article-list-item .article-image {
    aspect-ratio: 4/3;
}

/* ============================================
   Categories
   ============================================ */
.categories-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.categories-grid--full {
    grid-template-columns: repeat(4, 1fr);
}

@media (max-width: 992px) {
    .categories-grid,
    .categories-grid--full {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 576px) {
    .categories-grid,
    .categories-grid--full {
        grid-template-columns: 1fr;
    }
}

.category-card {
    display: block;
    padding: 1.5rem;
    background-color: var(--bg);
    border-radius: var(--radius-lg);
    border: 2px solid var(--border);
    transition: var(--transition);
}

.category-card:hover {
    border-color: var(--category-color, var(--primary));
    box-shadow: var(--shadow-lg);
}

.category-card h3 {
    font-size: 1.125rem;
    margin-bottom: 0.5rem;
    color: var(--text);
}

.category-card p {
    font-size: 0.875rem;
    color: var(--text-light);
    margin-bottom: 0.5rem;
}

.article-count {
    font-size: 0.75rem;
    color: var(--text-lighter);
}

/* Category Filters */
.category-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.filter-btn {
    padding: 0.5rem 1rem;
    background-color: var(--bg-alt);
    border-radius: var(--radius);
    font-size: 0.875rem;
    color: var(--text);
    transition: var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
    background-color: var(--primary);
    color: white;
}

.results-count {
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

/* ============================================
   Article Detail
   ============================================ */
.article-detail {
    padding-bottom: 3rem;
}

.breadcrumb {
    background-color: var(--bg-alt);
    padding: 1rem 0;
    font-size: 0.875rem;
}

.breadcrumb a {
    color: var(--text-light);
}

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

.breadcrumb span {
    color: var(--text);
}

.article-header {
    padding: 3rem 0;
    background-color: var(--bg-alt);
}

.article-header h1 {
    font-size: 2.5rem;
    line-height: 1.3;
    margin-bottom: 1rem;
}

.article-excerpt {
    font-size: 1.25rem;
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

.article-meta--large {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 2rem;
}

.author-info {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.author-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    object-fit: cover;
}

.author-name {
    font-weight: 600;
    display: block;
}

.author-title {
    font-size: 0.875rem;
    color: var(--text-light);
}

.meta-info {
    display: flex;
    gap: 1.5rem;
    color: var(--text-light);
}

.article-featured-image {
    margin: -2rem 0 2rem;
}

.article-featured-image img {
    width: 100%;
    max-height: 500px;
    object-fit: cover;
    border-radius: var(--radius-lg);
}

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

.article-content {
    font-size: 1.125rem;
    line-height: 1.8;
}

.article-content h2 {
    font-size: 1.75rem;
    margin: 2rem 0 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border);
}

.article-content h3 {
    font-size: 1.375rem;
    margin: 1.5rem 0 0.75rem;
}

.article-content p {
    margin-bottom: 1.25rem;
}

.article-content ul {
    margin-bottom: 1.25rem;
}

.article-content li {
    margin-bottom: 0.5rem;
    padding-left: 0.5rem;
}

.article-content li::marker {
    color: var(--primary);
}

/* Tables */
.table-wrapper {
    overflow-x: auto;
    margin: 1.5rem 0;
}

table {
    width: 100%;
    border-collapse: collapse;
}

th, td {
    padding: 0.75rem 1rem;
    text-align: left;
    border: 1px solid var(--border);
}

th {
    background-color: var(--bg-alt);
    font-weight: 600;
}

/* Callouts */
.callout {
    padding: 1.25rem;
    border-radius: var(--radius);
    margin: 1.5rem 0;
}

.callout--warning {
    background-color: #fef3c7;
    border-left: 4px solid #f59e0b;
}

.callout--info {
    background-color: #dbeafe;
    border-left: 4px solid var(--primary);
}

.callout p {
    margin: 0;
}

/* Article Tags */
.article-tags {
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border);
}

.article-tags h4 {
    margin-bottom: 0.75rem;
}

.tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tag {
    background-color: var(--bg-alt);
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius);
    font-size: 0.875rem;
    color: var(--text-light);
}

/* Author Box */
.author-box {
    display: grid;
    grid-template-columns: 100px 1fr;
    gap: 1.5rem;
    background-color: var(--bg-alt);
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    margin-top: 2rem;
}

@media (max-width: 576px) {
    .author-box {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

.author-box img {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    object-fit: cover;
}

.author-box h3 {
    margin-bottom: 0.25rem;
}

.author-box .author-title {
    color: var(--primary);
    margin-bottom: 0.75rem;
}

.author-specialties {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 0.75rem;
}

.author-specialties span {
    background-color: var(--primary);
    color: white;
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius);
    font-size: 0.75rem;
}

/* Medical Warning */
.medical-warning {
    background-color: #fef2f2;
    border: 1px solid #fecaca;
    border-radius: var(--radius);
    padding: 1.5rem;
    margin-top: 2rem;
}

.medical-warning h4 {
    color: #dc2626;
    margin-bottom: 0.5rem;
}

.medical-warning p {
    margin: 0;
    color: #7f1d1d;
}

/* ============================================
   Newsletter
   ============================================ */
.newsletter {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
}

.newsletter-content {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.newsletter h2 {
    font-size: 1.75rem;
    margin-bottom: 1rem;
}

.newsletter p {
    opacity: 0.9;
    margin-bottom: 1.5rem;
}

.newsletter-form {
    display: flex;
    gap: 0.5rem;
}

.newsletter-form input {
    flex: 1;
    padding: 0.75rem 1rem;
    border: none;
    border-radius: var(--radius);
    font-size: 1rem;
}

.newsletter-form .btn {
    white-space: nowrap;
}

@media (max-width: 576px) {
    .newsletter-form {
        flex-direction: column;
    }
}

/* ============================================
   Footer
   ============================================ */
.footer {
    background-color: var(--bg-dark);
    color: white;
    padding: 3rem 0 1.5rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
}

@media (max-width: 992px) {
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 576px) {
    .footer-grid {
        grid-template-columns: 1fr;
    }
}

.footer-col h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.footer-col h4 {
    font-size: 1rem;
    margin-bottom: 1rem;
}

.footer-col p {
    color: #9ca3af;
    font-size: 0.875rem;
}

.footer-col ul {
    list-style: none;
    margin: 0;
}

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

.footer-col a {
    color: #9ca3af;
    font-size: 0.875rem;
}

.footer-col a:hover {
    color: white;
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.social-links a {
    color: #9ca3af;
}

.social-links a:hover {
    color: white;
}

.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: 1.5rem;
    text-align: center;
}

.medical-disclaimer {
    background-color: #374151;
    padding: 1rem;
    border-radius: var(--radius);
    margin-bottom: 1rem;
    font-size: 0.875rem;
}

.footer-bottom p {
    color: #9ca3af;
    font-size: 0.875rem;
}

/* ============================================
   Content Pages
   ============================================ */
.content-page {
    max-width: 800px;
    margin: 0 auto;
}

.content-page h2 {
    font-size: 1.75rem;
    margin: 2rem 0 1rem;
}

.content-page p {
    margin-bottom: 1rem;
}

.content-page ol {
    margin-bottom: 1.5rem;
}

.content-page li {
    margin-bottom: 0.5rem;
}

/* Values Grid */
.values-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin: 1.5rem 0;
}

@media (max-width: 576px) {
    .values-grid {
        grid-template-columns: 1fr;
    }
}

.value-card {
    background-color: var(--bg-alt);
    padding: 1.5rem;
    border-radius: var(--radius-lg);
}

.value-card h3 {
    font-size: 1.125rem;
    margin-bottom: 0.5rem;
}

.value-card p {
    color: var(--text-light);
    font-size: 0.9375rem;
    margin: 0;
}

/* Authors Grid */
.authors-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-top: 2rem;
}

@media (max-width: 768px) {
    .authors-grid {
        grid-template-columns: 1fr;
    }
}

.author-card {
    background-color: var(--bg-alt);
    padding: 2rem;
    border-radius: var(--radius-lg);
    text-align: center;
}

.author-card img {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    object-fit: cover;
    margin: 0 auto 1rem;
}

.author-card h3 {
    margin-bottom: 0.25rem;
}

.author-card .author-title {
    color: var(--primary);
    margin-bottom: 0.75rem;
}

.author-card p {
    color: var(--text-light);
    font-size: 0.9375rem;
}

.author-credentials {
    color: var(--text-lighter);
    font-size: 0.875rem;
    margin-top: 0.5rem;
}

/* CTA Box */
.cta-box {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 2rem;
    border-radius: var(--radius-lg);
    text-align: center;
    margin-top: 3rem;
}

.cta-box h3 {
    margin-bottom: 0.5rem;
}

.cta-box p {
    opacity: 0.9;
    margin-bottom: 1.5rem;
}

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

.cta-box .btn:hover {
    background-color: var(--bg-alt);
}

/* ============================================
   Contact Page
   ============================================ */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

@media (max-width: 768px) {
    .contact-grid {
        grid-template-columns: 1fr;
    }
}

.contact-info h2 {
    margin-bottom: 1.5rem;
}

.contact-item {
    margin-bottom: 1.5rem;
}

.contact-item h3 {
    font-size: 1rem;
    margin-bottom: 0.5rem;
}

.contact-form-wrapper h2 {
    margin-bottom: 1.5rem;
}

.contact-form {
    background-color: var(--bg-alt);
    padding: 2rem;
    border-radius: var(--radius-lg);
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 1rem;
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.success-message {
    background-color: #d1fae5;
    border: 1px solid #10b981;
    border-radius: var(--radius);
    padding: 1.5rem;
    text-align: center;
}

.success-message h3 {
    color: #059669;
    margin-bottom: 0.5rem;
}

.success-message p {
    color: #047857;
    margin: 0;
}

/* ============================================
   Error Page
   ============================================ */
.error-page {
    min-height: 60vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.error-page h1 {
    font-size: 6rem;
    color: var(--primary);
    margin-bottom: 1rem;
}

.error-page h2 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.error-page p {
    color: var(--text-light);
    margin-bottom: 2rem;
}

/* ============================================
   Disclaimer
   ============================================ */
.disclaimer {
    background-color: var(--bg-alt);
    padding: 2rem 0;
}

.disclaimer-box {
    background-color: #fef2f2;
    border: 1px solid #fecaca;
    border-radius: var(--radius-lg);
    padding: 1.5rem;
}

.disclaimer-box h3 {
    color: #dc2626;
    margin-bottom: 0.5rem;
}

.disclaimer-box p {
    color: #7f1d1d;
    margin-bottom: 0.5rem;
}

/* ============================================
   No Results
   ============================================ */
.no-results {
    text-align: center;
    padding: 3rem;
    background-color: var(--bg-alt);
    border-radius: var(--radius-lg);
}

.no-results p {
    color: var(--text-light);
    margin: 0;
}

/* ============================================
   Responsive Adjustments
   ============================================ */
@media (max-width: 768px) {
    .section {
        padding: 2rem 0;
    }
    
    .page-header h1 {
        font-size: 2rem;
    }
    
    .article-header h1 {
        font-size: 1.75rem;
    }
    
    .article-content {
        font-size: 1rem;
    }
}