/* ===== CSS Variables ===== */
:root {
    --primary-red: #CC0000;
    --dark-red: #8B0000;
    --light-red: #E53E3E;
    --white: #FFFFFF;
    --black: #1A202C;
    --gray-100: #F7FAFC;
    --gray-200: #EDF2F7;
    --gray-300: #E2E8F0;
    --gray-400: #CBD5E0;
    --gray-500: #A0AEC0;
    --gray-600: #718096;
    --gray-700: #4A5568;
    --gray-800: #2D3748;
    --gray-900: #1A202C;
    
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --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);
    
    --transition: all 0.3s ease;
    --border-radius: 8px;
    --max-width: 1200px;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: var(--gray-700);
    background-color: var(--white);
    overflow-x: hidden;
}

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

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

/* ===== Container ===== */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 2rem;
}

/* ===== Header - FIXED POSITION ===== */
.header {
    background: var(--white);
    box-shadow: var(--shadow-md);
    position: fixed !important;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: var(--transition);
}

/* Language Bar Üstte */
.language-bar-top {
    text-align: right;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--gray-200);
}

.language-bar-top .language {
    display: inline-flex;
    gap: 0.5rem;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
    gap: 2rem;
}

/* Brand - SOL TARAFTA LOGOLAR */
.logos-section {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    flex: 1;
}

/* Ana Logo */
.logo {
    height: 90px !important;
    width: auto;
    transition: var(--transition);
}

.brand-text {
    display: flex;
    flex-direction: column;
    max-width: 300px;
}

.university {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--primary-red);
    line-height: 1.2;
}

.department {
    font-size: 0.75rem;
    color: var(--gray-600);
    line-height: 1.2;
}

/* Navigation - SAĞ TARAFTA */
.nav {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: flex-end;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    gap: 4px;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--gray-700);
    border-radius: 2px;
    transition: var(--transition);
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

.nav-menu {
    display: flex;
    gap: 2rem;
}

.nav-link {
    font-weight: 500;
    color: var(--gray-700);
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    transition: var(--transition);
    position: relative;
    text-decoration: none;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--primary-red);
    transition: var(--transition);
    transform: translateX(-50%);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 80%;
}

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

.dropdown-content {
    position: static !important;
    opacity: 1 !important;
    visibility: visible !important;
    transform: none !important;
    box-shadow: none !important;
    background: var(--gray-100) !important;
    margin: 0.5rem 0 0 0 !important;
    padding: 0.5rem !important;
    border-radius: var(--border-radius) !important;
    display: none;
    width: 100% !important;
    min-width: auto !important;
    left: auto !important;
    right: auto !important;
}

.dropdown:hover .dropdown-content {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-content li {
    margin: 0;
}

.dropdown-content a {
    display: block;
    padding: 0.75rem 1rem;
    color: var(--gray-700);
    text-decoration: none;
    transition: var(--transition);
    font-weight: 500;
}

.dropdown-content a:hover {
    background: var(--gray-100);
    color: var(--primary-red);
}

/* Search Form - KALDIRILDI */

/* Header Actions - KALDIRILDI */

.language {
    display: flex;
    gap: 0.5rem;
}

.lang-btn {
    background: none;
    border: 1px solid var(--gray-300);
    color: var(--gray-600);
    padding: 0.25rem 0.75rem;
    border-radius: var(--border-radius);
    font-size: 0.875rem;
    cursor: pointer;
    transition: var(--transition);
}

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

/* İYTE Logo - EN SOLDA, DAİRE YOK */
.iyte-logo {
    height: 70px !important;
    width: auto !important;
    border-radius: 0 !important;
    object-fit: contain;
    transition: var(--transition);
    display: block !important;
    visibility: visible !important;
    border: none !important;
}

.iyte-logo:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 15px rgba(204, 0, 0, 0.2);
}

.iyte-logo:hover {
    transform: scale(1.05);
}

/* ===== Hero Section ===== */
.hero {
    padding: 160px 0 4rem !important;
    background: linear-gradient(135deg, var(--gray-100) 0%, var(--white) 100%);
}

.hero-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 4rem;
}

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--gray-600);
    margin-bottom: 2rem;
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    padding: 0.75rem 2rem;
    border-radius: var(--border-radius);
    font-weight: 500;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    text-decoration: none;
}

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

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

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

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

/* ===== Slider - DAHA GENİŞ VE BÜYÜK ===== */
.slider {
    position: relative;
    max-width: 1100px !important;
    margin: 0 auto;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.slides {
    position: relative;
    height: 600px !important;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.6s ease;
}

.slide.active {
    opacity: 1;
}

.slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.slide-content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    padding: 2rem;
    color: var(--white);
}

.slide-tag {
    background: var(--primary-red);
    color: var(--white);
    padding: 0.25rem 0.75rem;
    border-radius: var(--border-radius);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.slide-content h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin: 1rem 0 0.5rem;
    line-height: 1.3;
}

.slide-content p {
    font-size: 1rem;
    opacity: 0.9;
    line-height: 1.5;
}

.slider-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 100%;
    display: flex;
    justify-content: space-between;
    padding: 0 1rem;
    pointer-events: none;
}

.slider-btn {
    background: rgba(255, 255, 255, 0.9);
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    pointer-events: all;
    color: var(--gray-700);
}

.slider-btn:hover {
    background: var(--white);
    box-shadow: var(--shadow-md);
}

.slider-dots {
    position: absolute;
    bottom: 1rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 0.5rem;
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    border: none;
    cursor: pointer;
    transition: var(--transition);
}

.dot.active {
    background: var(--white);
    transform: scale(1.2);
}

/* ===== News Section ===== */
.news-section {
    padding: 4rem 0;
    background: var(--white);
}

.news-grid {
    display: grid;
    grid-template-columns: 1fr 1fr auto;
    gap: 2rem;
    align-items: start;
}

.news-card,
.stats-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 12px;
    padding: 2rem;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.news-card:hover,
.stats-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.card-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--gray-200);
}

.card-header h2 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--gray-900);
}

.card-header i {
    color: var(--primary-red);
    font-size: 1.1rem;
}

.news-item {
    margin-bottom: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--gray-200);
}

.news-item:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.news-item.featured {
    background: linear-gradient(135deg, rgba(204, 0, 0, 0.05), rgba(204, 0, 0, 0.02));
    padding: 1.5rem;
    border-radius: var(--border-radius);
    border: 1px solid rgba(204, 0, 0, 0.1);
}

/* CLICKABLE CARD STYLES */
.clickable-card {
    cursor: pointer;
    transition: all 0.3s ease;
}

.clickable-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    border-left: 4px solid var(--primary-red);
}

.clickable-card::after {
    content: "→ Detaylar için tıklayınız";
    display: block;
    font-size: 0.75rem;
    color: var(--primary-red);
    font-weight: 600;
    margin-top: 1rem;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.clickable-card:hover::after {
    opacity: 1;
}

.news-badge {
    background: var(--primary-red);
    color: var(--white);
    padding: 0.25rem 0.5rem;
    border-radius: var(--border-radius);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.news-item h3,
.news-item h4 {
    color: var(--gray-900);
    margin: 1rem 0 0.5rem;
    line-height: 1.4;
}

.news-item h3 {
    font-size: 1.1rem;
    font-weight: 600;
}

.news-item h4 {
    font-size: 1rem;
    font-weight: 500;
}

.news-item p {
    color: var(--gray-600);
    line-height: 1.6;
    margin-bottom: 1rem;
}

.news-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 1rem;
}

.date {
    color: var(--gray-500);
    font-size: 0.875rem;
}

.read-more {
    background: var(--primary-red);
    color: var(--white);
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    font-size: 0.875rem;
    font-weight: 500;
    transition: var(--transition);
    border: none;
    cursor: pointer;
}

.read-more:hover {
    background: var(--dark-red);
}

/* Stats Card */
.stats-card {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    min-width: 150px;
}

.stat {
    text-align: center;
    padding: 1rem;
    background: var(--gray-100);
    border-radius: var(--border-radius);
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-red);
    line-height: 1;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--gray-600);
    margin-top: 0.5rem;
}

/* ===== Section Styles ===== */
.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--gray-600);
    max-width: 600px;
    margin: 0 auto;
}

/* ===== About Section ===== */
.about-section {
    padding: 4rem 0;
    background: var(--gray-100);
}

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

.about-text {
    background: var(--white);
    padding: 3rem;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
}

.lead {
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--gray-800);
    margin-bottom: 2rem;
    line-height: 1.6;
}

.about-text p {
    color: var(--gray-600);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.about-text h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--gray-900);
    margin: 2rem 0 1.5rem;
}

.research-areas {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1rem;
    margin-top: 1.5rem;
}

.area {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--gray-100);
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.area:hover {
    background: rgba(204, 0, 0, 0.05);
}

.area i {
    color: var(--primary-red);
    font-size: 1.25rem;
    width: 24px;
    text-align: center;
}

.area span {
    color: var(--gray-700);
    font-weight: 500;
}

/* ===== Team Section ===== */
.team-section {
    padding: 4rem 0;
    background: var(--white);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.team-member {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.team-member:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.member-photo {
    position: relative;
    width: 150px;
    height: 150px;
    margin: 0 auto 1.5rem;
    border-radius: 50%;
    overflow: hidden;
}

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

.member-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

.member-photo:hover .member-overlay {
    opacity: 1;
}

.cv-link {
    color: var(--white);
    font-weight: 500;
    padding: 0.5rem 1rem;
    background: var(--primary-red);
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.cv-link:hover {
    background: var(--dark-red);
}

.member-info h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 0.5rem;
}

.member-title {
    color: var(--primary-red);
    font-weight: 500;
    margin-bottom: 1rem;
}

.member-education {
    color: var(--gray-600);
    font-size: 0.875rem;
    line-height: 1.5;
    margin-bottom: 1rem;
}

.member-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
}

.tag {
    background: var(--gray-200);
    color: var(--gray-700);
    padding: 0.25rem 0.75rem;
    border-radius: var(--border-radius);
    font-size: 0.75rem;
    font-weight: 500;
}

/* ===== Projects Section ===== */
.projects-section {
    padding: 4rem 0;
    background: var(--gray-100);
}

.project-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 12px;
    padding: 2rem;
    max-width: 800px;
    margin: 0 auto;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.project-card:hover {
    box-shadow: var(--shadow-md);
}

.project-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.project-status {
    background: rgba(40, 167, 69, 0.1);
    color: #28a745;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    font-size: 0.875rem;
    font-weight: 500;
    border: 1px solid rgba(40, 167, 69, 0.2);
}

.project-period {
    color: var(--gray-500);
    font-weight: 500;
}

.project-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 1rem;
    line-height: 1.4;
}

.project-description {
    color: var(--gray-600);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

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

.project-tags .tag {
    background: rgba(204, 0, 0, 0.1);
    color: var(--primary-red);
    border: 1px solid rgba(204, 0, 0, 0.2);
}

/* ===== Contact Section ===== */
.contact-section {
    padding: 4rem 0;
    background: var(--white);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
}

.contact-info {
    background: var(--gray-100);
    padding: 2rem;
    border-radius: 12px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 2rem;
}

.contact-item:last-child {
    margin-bottom: 0;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: var(--primary-red);
    color: var(--white);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.contact-details h4 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 0.5rem;
}

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

.contact-map {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

/* ===== Footer ===== */
.footer {
    background: var(--gray-900);
    color: var(--white);
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--white);
}

.footer-section h5 {
    font-size: 1rem;
    font-weight: 500;
    margin-bottom: 1rem;
    color: var(--white);
}

.footer-section p {
    color: var(--gray-400);
    margin-bottom: 1rem;
    line-height: 1.6;
}

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

.newsletter-form input {
    flex: 1;
    padding: 0.75rem;
    border: 1px solid var(--gray-600);
    border-radius: var(--border-radius);
    background: var(--gray-800);
    color: var(--white);
    font-size: 0.875rem;
}

.newsletter-form input::placeholder {
    color: var(--gray-400);
}

.newsletter-form button {
    background: var(--primary-red);
    color: var(--white);
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.newsletter-form button:hover {
    background: var(--dark-red);
}

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

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

.footer-section a {
    color: var(--gray-400);
    transition: var(--transition);
}

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

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

.social-links a {
    width: 40px;
    height: 40px;
    background: var(--gray-800);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-400);
    transition: var(--transition);
}

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

/* Mini Contact Form */
.mini-contact form {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.mini-contact input,
.mini-contact textarea {
    padding: 0.5rem;
    border: none;
    border-radius: 4px;
    font-size: 0.875rem;
}

.mini-contact textarea {
    resize: vertical;
    min-height: 60px;
}

.mini-contact button {
    background: var(--primary-red);
    color: var(--white);
    border: none;
    padding: 0.5rem;
    border-radius: 4px;
    cursor: pointer;
    font-weight: 500;
    transition: var(--transition);
}

.mini-contact button:hover {
    background: var(--dark-red);
}

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid var(--gray-700);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-logos {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.footer-logo {
    height: 30px;
    width: auto;
}

.footer-bottom p {
    color: var(--gray-400);
    font-size: 0.875rem;
}

/* Desktop Dropdown Menu - EKLE */
@media (min-width: 769px) {
    .dropdown {
        position: relative;
    }
    
    .dropdown-content {
        position: absolute !important;
        top: 100% !important;
        left: 0 !important;
        background: var(--white) !important;
        min-width: 220px !important;
        box-shadow: var(--shadow-lg) !important;
        border-radius: var(--border-radius) !important;
        opacity: 0 !important;
        visibility: hidden !important;
        transform: translateY(-10px) !important;
        transition: var(--transition) !important;
        z-index: 1000 !important;
        list-style: none !important;
        padding: 0.5rem 0 !important;
        display: block !important;
        margin: 0 !important;
    }
    
    .dropdown:hover .dropdown-content {
        opacity: 1 !important;
        visibility: visible !important;
        transform: translateY(0) !important;
    }
    
    .dropdown-content li {
        margin: 0 !important;
    }
    
    .dropdown-content a {
        display: block !important;
        padding: 0.75rem 1rem !important;
        color: var(--gray-700) !important;
        text-decoration: none !important;
        transition: var(--transition) !important;
        font-weight: 500 !important;
    }
    
    .dropdown-content a:hover {
        background: var(--gray-100) !important;
        color: var(--primary-red) !important;
    }
}

/* Mobil için mevcut kurallar aynen kalacak */
@media (max-width: 768px) {
    .dropdown-content {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        background: var(--gray-100);
        margin-top: 0.5rem;
        display: none;
    }
}

/* ===== Responsive Design ===== */
@media (max-width: 992px) {
    .container {
        padding: 0 1.5rem;
    }
    
    .brand-text {
        display: none;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .news-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-card {
        flex-direction: row;
        justify-content: space-around;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: absolute;
        top: 100%;
        left: auto;
        right: 0;
        background: var(--white);
        box-shadow: var(--shadow-lg);
        flex-direction: column;
        padding: 1rem;
        gap: 0.5rem;
        opacity: 0;
        visibility: hidden;
        transform: translateY(-10px);
        transition: var(--transition);
    }
    
    .nav-menu.active {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }
    
    /* Mobil dropdown */
    .dropdown-content {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        background: var(--gray-100);
        margin-top: 0.5rem;
        display: none;
    }
    
    .header-actions {
        gap: 1rem;
    }
    
    .hero {
        padding: 120px 0 2rem !important;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.125rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }
    
    .slides {
        height: 450px !important;
    }
    
    .slide-content {
        padding: 1.5rem;
    }
    
    .slide-content h3 {
        font-size: 1.25rem;
    }
    
    .team-grid {
        grid-template-columns: 1fr !important; /* Tek sütun zorla */
    }
    
    .team-member {
        opacity: 1;
        transform: translateY(0);
        animation: slideUpMobile 0.6s ease-out;
    }
    
    .team-member:nth-child(1) { animation-delay: 0.1s; }
    .team-member:nth-child(2) { animation-delay: 0.2s; }
    .team-member:nth-child(3) { animation-delay: 0.3s; }
    .team-member:nth-child(4) { animation-delay: 0.4s; }
    .team-member:nth-child(5) { animation-delay: 0.5s; }
    .team-member:nth-child(6) { animation-delay: 0.6s; }
    .team-member:nth-child(7) { animation-delay: 0.7s; }
    
    @keyframes slideUpMobile {
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }
    
    .member-photo {
        width: 120px;
        height: 120px;
    }
    
    .research-areas {
        grid-template-columns: 1fr;
    }
    
    .about-text {
        padding: 2rem;
    }
    
    .project-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .newsletter-form {
        flex-direction: column;
    }
    
    .social-links {
        justify-content: center;
    }
}

@media (max-width: 576px) {
    .container {
        padding: 0 1rem;
    }
    
    .header-content {
        padding: 0.75rem 0;
    }
    
    .logo {
        height: 60px !important;
    }
    
    .iyte-logo {
        height: 50px !important;
        width: 50px !important;
    }
    
    .hero-title {
        font-size: 1.75rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .section-subtitle {
        font-size: 1rem;
    }
    
    .news-card,
    .stats-card {
        padding: 1.5rem;
    }
    
    .about-text {
        padding: 1.5rem;
    }
    
    .team-member {
        padding: 1rem;
    }
    
    .member-photo {
        width: 100px;
        height: 100px;
    }
    
    .project-card {
        padding: 1.5rem;
    }
    
    .contact-info {
        padding: 1.5rem;
    }
    
    .contact-item {
        flex-direction: column;
        text-align: center;
        gap: 0.5rem;
    }
    
    .member-tags {
        gap: 0.25rem;
    }
    
    .project-tags {
        gap: 0.25rem;
    }
    
    .slides {
        height: 350px !important;
    }
}

/* ===== Scroll Animations ===== */
@media (prefers-reduced-motion: no-preference) {
    .news-card,
    .team-member,
    .project-card {
        animation: fadeInUp 0.6s ease-out;
    }
    
    @keyframes fadeInUp {
        from {
            opacity: 0;
            transform: translateY(30px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }
}

/* ===== Focus Styles for Accessibility ===== */
button:focus,
a:focus,
input:focus {
    outline: 2px solid var(--primary-red);
    outline-offset: 2px;
}

.nav-link:focus {
    background: rgba(204, 0, 0, 0.1);
}

/* ===== Utility Classes ===== */
.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;
}

.text-center {
    text-align: center;
}

.text-left {
    text-align: left;
}

.text-right {
    text-align: right;
}

/* ===== Print Styles ===== */
@media print {
    .header,
    .footer,
    .slider-nav,
    .slider-dots {
        display: none;
    }
    
    .hero {
        padding-top: 2rem !important;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.5;
    }
    
    .section-title {
        font-size: 18pt;
        page-break-after: avoid;
    }
    
    .team-member,
    .project-card {
        page-break-inside: avoid;
    }
}