/* Genel Stiller */
:root {
    --primary-color: #2c3e50;
    --secondary-color: #3498db;
    --accent-color: #3498db;
    --light-color: #ecf0f1;
    --dark-color: #2c3e50;
    --text-color: #333;
    --text-light: #7f8c8d;
    --brand-color: #3498db;
    --brand-hover: #2980b9;
    --s: 65px;
}

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

body {
    font-family: 'Open Sans', sans-serif;
    line-height: 1.6;
    color: #333;
    font-size: 16px;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    line-height: 1.3;
    letter-spacing: -0.02em;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

a {
    text-decoration: none;
    color: var(--primary-color);
    transition: all 0.3s ease;
}

a:hover {
    color: var(--secondary-color);
}

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

.btn {
    display: inline-block;
    background-color: var(--secondary-color);
    color: white;
    padding: 12px 25px;
    border-radius: 5px;
    font-weight: 600;
    margin-top: 15px;
    transition: all 0.3s ease;
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.btn:hover {
    background-color: #c0392b;
    color: white;
    transform: translateY(-3px);
}

.btn-outline {
    display: inline-block;
    border: 2px solid var(--secondary-color);
    color: var(--secondary-color);
    padding: 10px 20px;
    border-radius: 5px;
    font-weight: 600;
    margin-top: 15px;
    transition: all 0.3s ease;
}

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

.btn-small {
    display: inline-block;
    background-color: var(--accent-color);
    color: white;
    padding: 8px 15px;
    border-radius: 5px;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.btn-small:hover {
    background-color: #2980b9;
    color: white;
}

section {
    padding: 60px 0;
}

h1, h2, h3, h4 {
    margin-bottom: 20px;
    line-height: 1.2;
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
    color: var(--primary-color);
    text-align: center;
    margin-bottom: 40px;
}

h3 {
    font-size: 1.5rem;
}

p {
    margin-bottom: 15px;
}

/* Header Styles */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: #fff;
    padding: 15px 0;
    transition: padding 0.3s ease;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

header .container {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.header-top {
    width: 100%;
    padding: 15px 0;
    display: flex;
    justify-content: center;
    background-color: #fff;
}

.logo img {
    height: 30px; /* Logo boyutunu 75px'den 30px'e düşürdüm */
    width: auto;
}

.header-bottom {
    width: 100%;
    padding: 10px 0;
    background-color: #fff;
    border-top: 1px solid #eee;
}

header nav ul {
    display: flex !important;
    list-style: none !important;
    justify-content: center !important;
    gap: 60px !important;
    margin: 0 !important;
    padding: 0 !important;
}

header nav ul li a {
    font-family: 'Montserrat', sans-serif !important;
    font-size: 14px !important;
    font-weight: 400 !important;
    color: #2c3e50 !important;
    text-decoration: none !important;
    text-transform: none !important;
    letter-spacing: 0.5px !important;
    transition: all 0.3s ease !important;
    position: relative !important;
    padding: 5px 0 !important;
    display: inline-block !important;
    line-height: 1.5 !important;
}

header nav ul li a::after {
    content: '' !important;
    position: absolute !important;
    bottom: -2px !important;
    left: 0 !important;
    width: 0 !important;
    height: 1px !important;
    background-color: #3498db !important;
    transition: width 0.3s ease !important;
}

header nav ul li a:hover,
header nav ul li a.active {
    color: #3498db !important;
    font-weight: 400 !important;
}

header nav ul li a:hover::after,
header nav ul li a.active::after {
    width: 100% !important;
}

header nav ul li a.active {
    color: #3498db !important;
    font-weight: 400 !important;
}

header nav ul li a.active::after {
    width: 100% !important;
    background-color: #3498db !important;
}

.header-contact {
    background-color: var(--secondary-color);
    padding: 8px 20px;
    border-radius: 25px;
    transition: all 0.3s ease;
}

.header-contact a {
    font-weight: 600;
    color: white;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.header-contact:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(52, 152, 219, 0.3);
}

/* Telefon ikonu için */
.header-contact a::before {
    content: '📞';
    font-size: 1.2rem;
}

/* Hero Section */
.hero {
    background: linear-gradient(rgba(0, 0, 0, 0.3), rgba(0, 0, 0, 0.3)), url('../images/hero-bg.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    color: white;
    text-align: center;
    padding: 160px 0 100px;
    margin-top: 130px;
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        to bottom,
        rgba(0, 0, 0, 0.2) 0%,
        rgba(0, 0, 0, 0.3) 100%
    );
    z-index: 1;
}

.hero .container {
    position: relative;
    z-index: 2;
    max-width: 1200px;
}

.hero h1 {
    font-family: 'Playfair Display', serif;
    font-size: 3.2rem;
    font-weight: 800;
    margin-bottom: 25px;
    text-transform: uppercase;
    letter-spacing: 1px;
    line-height: 1.4;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    padding: 0 20px;
}

.hero p {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.8rem;
    max-width: 800px;
    margin: 0 auto 40px;
    line-height: 1.6;
    font-weight: 600;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    opacity: 1;
    padding: 0 20px;
}

.hero .btn {
    font-family: 'Montserrat', Arial, sans-serif;
    font-size: 16px;
    font-weight: 600;
    padding: 15px 35px;
    border-radius: 30px;
    text-transform: uppercase;
    letter-spacing: 1px;
    background-color: var(--brand-color);
    border: none;
    opacity: 0;
    animation: fadeInUp 1s ease forwards;
    animation-delay: 5s;
}

.hero .btn:hover {
    background-color: var(--brand-hover);
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(52, 152, 219, 0.4);
}

@keyframes typing {
    0% { 
        width: 0;
        opacity: 1;
    }
    100% { 
        width: 100%;
        opacity: 1;
    }
}

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

/* Features Section */
.features {
    background-color: var(--light-color);
}

.features .container {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
}

.feature-box {
    flex: 1;
    min-width: 300px;
    text-align: center;
    padding: 30px 20px;
    margin: 15px;
    background-color: white;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.feature-box:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: var(--secondary-color);
}

.features-list {
    list-style: none;
    padding: 0;
    margin: 20px 0;
}

.features-list li {
    position: relative;
    padding-left: 25px;
    margin-bottom: 20px;
    font-size: 1.1rem;
    line-height: 1.6;
}

.features-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 8px;
    height: 8px;
    background-color: var(--brand-color);
    border-radius: 50%;
}

.features-list li:hover::before {
    transform: translateY(-50%) scale(1.2);
    transition: transform 0.2s ease;
}

/* About Preview */
.about-preview {
    background-color: white;
}

.about-preview .container {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
}

.about-text {
    flex: 1;
    min-width: 300px;
    padding-right: 30px;
}

.about-image {
    flex: 1;
    min-width: 300px;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

/* Popular Courses */
.popular-courses {
    background-color: var(--light-color);
}

.courses {
    padding: 80px 0;
    background: #ffffff;
}

.courses h2 {
    font-family: 'Playfair Display', serif;
    font-size: 3rem;
    font-weight: 700;
    color: #1e293b;
    text-align: center;
    margin-bottom: 20px;
    letter-spacing: -0.02em;
}

.section-description {
    text-align: center;
    font-size: 2.4em;
    color: #1e293b;
    margin-bottom: 50px;
    font-family: 'Montserrat', sans-serif;
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.4;
    font-weight: 800;
    position: relative;
    padding: 0 20px;
    text-shadow: 1px 1px 0px rgba(0, 0, 0, 0.1);
}

.course-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 50px;
}

.course-card {
    background: #ffffff;
    border: 1px solid #e5e7eb;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    position: relative;
    display: flex;
    flex-direction: column;
}

.course-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    border-color: #d1d5db;
}

.course-header {
    background: #f8fafc;
    padding: 35px 30px;
    border-bottom: 1px solid #e5e7eb;
    text-align: center;
    position: relative;
}

.course-header h3 {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.75rem;
    color: #1e293b;
    margin-bottom: 20px;
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.3;
}

.course-levels {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
}

.level-tag {
    background: #e2e8f0;
    color: #334155;
    padding: 6px 14px;
    border-radius: 6px;
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.3px;
    transition: all 0.3s ease;
}

.level-tag:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 10px rgba(0, 0, 0, 0.05);
}

.course-content {
    padding: 35px 30px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.course-features {
    list-style: none;
    padding: 0;
    margin: 20px 0;
}

.course-features li {
    padding: 8px 0;
    color: var(--text-color);
    font-size: 15px;
    line-height: 1.6;
}

/* Yetişkin Grubu için kalem ve defter ikonu */
.course-card:first-child .course-features li::before {
    content: '📚';
    position: absolute;
    left: 0;
    opacity: 1;
    font-size: 1.2rem;
}

/* Çocuk Grubu için oyuncak tren ikonu */
.course-card:nth-child(2) .course-features li::before {
    content: '🚂';
    position: absolute;
    left: 0;
    opacity: 1;
    font-size: 1.2rem;
}

/* Özel Dersler için yıldız ikonu */
.course-card:nth-child(3) .course-features li::before {
    content: '⭐';
    position: absolute;
    left: 0;
    opacity: 1;
    font-size: 1.2rem;
}

.course-features li:hover {
    color: #1e293b;
    transform: translateX(5px);
}

.course-footer {
    margin-top: auto;
    padding: 0 30px 30px;
}

.course-footer .btn {
    width: 100%;
    display: block;
    text-align: center;
}

.course-card .btn {
    display: inline-block;
    width: 100%;
    padding: 16px 32px;
    background: #3498db;
    color: white;
    text-align: center;
    border-radius: 12px;
    font-weight: 600;
    font-size: 1rem;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
    border: 2px solid #3498db;
    text-transform: uppercase;
}

.course-card .btn:hover {
    background: white;
    color: #3498db;
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(52, 152, 219, 0.2);
}

.course-card .btn::before {
    content: '📱';
    font-size: 1.2rem;
    opacity: 0;
    transform: translateX(-20px);
    transition: all 0.3s ease;
}

.course-card .btn:hover::before {
    opacity: 1;
    transform: translateX(0);
}

/* Yetişkin Grupları için özel stil */
.course-card:first-child {
    animation: slideInLeft 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.course-card:first-child .course-header {
    background: linear-gradient(135deg, #2563eb 0%, #1e40af 100%);
    position: relative;
    overflow: hidden;
}

.course-card:first-child .course-header::before {
    content: '👨‍💼';
    position: absolute;
    top: 10px;
    right: 15px;
    font-size: 2.5em;
    animation: float 3s ease-in-out infinite;
}

.course-card:first-child .course-header::after {
    content: '📚';
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 24px;
    opacity: 0;
    transform: translateY(20px);
    animation: floatIcon 0.5s cubic-bezier(0.4, 0, 0.2, 1) forwards;
    animation-delay: 0.8s;
}

/* Çocuk Grupları için özel stil */
.course-card:nth-child(2) {
    animation: bounceIn 0.8s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    animation-delay: 0.2s;
}

.course-card:nth-child(2) .course-header {
    background: linear-gradient(135deg, #06b6d4 0%, #0284c7 100%);
    position: relative;
    overflow: hidden;
}

.course-card:nth-child(2) .course-header::before {
    content: '👨‍🏫👋👶';
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 20px;
    animation: wave 2s ease-in-out infinite;
}

.course-card:nth-child(2) .course-header::after {
    display: none;
}

/* Özel Dersler için özel stil */
.course-card:nth-child(3) {
    animation: slideInRight 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    animation-delay: 0.4s;
}

.course-card:nth-child(3) .course-header {
    background: linear-gradient(135deg, #6366f1 0%, #4f46e5 100%);
    position: relative;
    overflow: hidden;
}

.course-card:nth-child(3) .course-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent 0%, rgba(255, 255, 255, 0.1) 50%, transparent 100%);
    animation: shine 3s infinite;
}

.course-card:nth-child(3) .course-header::after {
    content: '👨‍🏫';
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 24px;
    opacity: 0;
    transform: translateY(20px);
    animation: floatTeacher 0.5s cubic-bezier(0.4, 0, 0.2, 1) forwards;
    animation-delay: 1.2s;
}

/* Animasyonlar */
@keyframes slideInLeft {
    0% {
        opacity: 0;
        transform: translateX(-100px) scale(0.9);
    }
    100% {
        opacity: 1;
        transform: translateX(0) scale(1);
    }
}

@keyframes slideInRight {
    0% {
        opacity: 0;
        transform: translateX(100px) scale(0.9);
    }
    100% {
        opacity: 1;
        transform: translateX(0) scale(1);
    }
}

@keyframes bounceIn {
    0% {
        opacity: 0;
        transform: scale(0.3);
    }
    50% {
        opacity: 0.9;
        transform: scale(1.1);
    }
    80% {
        opacity: 1;
        transform: scale(0.89);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes shine {
    0% {
        background-position: -200% 50%;
    }
    100% {
        background-position: 200% 50%;
    }
}

@keyframes bounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-5px);
    }
}

@keyframes wave {
    0%, 100% {
        transform: rotate(0deg);
    }
    25% {
        transform: rotate(-10deg);
    }
    75% {
        transform: rotate(10deg);
    }
}

@keyframes floatIcon {
    0% {
        transform: translate(-50%, -50%) scale(1) rotate(0deg);
    }
    50% {
        transform: translate(-50%, -60%) scale(1.1) rotate(5deg);
    }
    100% {
        transform: translate(-50%, -50%) scale(1) rotate(0deg);
    }
}

@keyframes floatTeacher {
    0% {
        opacity: 0;
        transform: translateY(20px) scale(0.8);
    }
    100% {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

/* Hover Efektleri */
.course-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    border-color: #d1d5db;
}

.course-card:hover .course-header::before {
    animation: shine 2s infinite;
}

.course-features li {
    position: relative;
    padding-left: 25px;
    transition: all 0.3s ease;
}

.course-features li::before {
    content: '→';
    position: absolute;
    left: 0;
    opacity: 0;
    transform: translateX(-10px);
    transition: all 0.3s ease;
}

.course-card:hover .course-features li::before {
    opacity: 1;
    transform: translateX(0);
}

/* Responsive için animasyon düzenlemeleri */
@media (max-width: 768px) {
    .course-card,
    .course-card:first-child,
    .course-card:nth-child(2),
    .course-card:nth-child(3) {
        animation: fadeIn 0.8s ease-out;
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Testimonials */
.testimonials {
    padding: 60px 0;
    background-color: #f8f9fa;
}

.testimonial-container {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.testimonial-slider {
    position: relative;
    overflow: hidden;
    min-height: 200px;
}

.testimonial {
    text-align: center;
    padding: 30px;
    display: none;
}

.testimonial.fade {
    animation: fadeEffect 1s ease-in-out;
}

.testimonial p {
    font-size: 18px;
    line-height: 1.6;
    color: #333;
    font-style: italic;
    margin-bottom: 20px;
}

.testimonial .author {
    font-weight: bold;
    color: #007bff;
}

.testimonial-dots {
    text-align: center;
    margin-top: 20px;
}

.dot {
    height: 12px;
    width: 12px;
    margin: 0 5px;
    background-color: #bbb;
    border-radius: 50%;
    display: inline-block;
    transition: background-color 0.3s ease;
    cursor: pointer;
}

.dot.active {
    background-color: #007bff;
}

@keyframes fadeEffect {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Show first testimonial by default */
.testimonial:first-child {
    display: block;
}

/* CTA Section */
.cta {
    background-color: var(--primary-color);
    color: white;
    text-align: center;
}

.cta h2 {
    font-family: 'Playfair Display', serif;
    font-size: 2.5rem;
    font-weight: 700;
    color: white;
    margin-bottom: 30px;
    line-height: 1.2;
}

.cta .btn {
    background-color: var(--accent-color);
}

.cta .btn:hover {
    background-color: #2980b9;
}

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

footer a {
    color: white;
}

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

.footer-col {
    flex: 1;
    min-width: 250px;
    margin-bottom: 30px;
    padding: 0 15px;
}

footer .container {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
}

.footer-logo {
    height: 60px;
    margin-bottom: 20px;
}

.footer-col h3 {
    color: var(--accent-color);
    margin-bottom: 25px;
    font-size: 1.3rem;
}

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

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

.copyright {
    text-align: center;
    padding: 20px 0;
    background-color: rgba(0, 0, 0, 0.2);
    margin-top: 30px;
}

/* Responsive Tasarım */
@media (max-width: 768px) {
    header .container {
        flex-direction: column;
        text-align: center;
    }
    
    nav ul {
        margin-top: 20px;
        justify-content: center;
    }
    
    nav ul li {
        margin: 0 10px;
    }
    
    .header-contact {
        margin-top: 15px;
    }
    
    .hero {
        padding: 140px 0 80px;
    }
    
    .hero h1 {
        font-size: 2.8rem;
    }

    .hero p {
        font-size: 1.5rem;
    }
    
    section {
        padding: 40px 0;
    }
    
    .feature-box {
        min-width: 100%;
        margin: 10px 0;
    }
    
    .about-text {
        padding-right: 0;
        margin-bottom: 30px;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 2.4rem;
    }

    .hero p {
        font-size: 1.3rem;
    }
}

/* WhatsApp Support Button */
.whatsapp-support {
    position: fixed;
    bottom: 100px;
    left: 50px;
    z-index: 1000;
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.whatsapp-support:hover {
    transform: scale(1.1);
}

.whatsapp-icon {
    width: 100%;
    height: 100%;
    border-radius: 18px;
}

/* About Hero Section */
.about-hero {
    background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), url('../images/library-students.jpg');
    background-size: cover;
    background-position: center;
    color: white;
    text-align: center;
    padding: 180px 0 100px;
    margin-top: 130px;
    position: relative;
}

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

.about-hero h1 {
    font-family: 'Playfair Display', serif;
    font-weight: 700;
    font-size: 3.5rem;
    margin-bottom: 30px;
    text-transform: uppercase;
    letter-spacing: 2px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.about-hero .typewriter {
    display: inline-block;
    overflow: hidden;
    white-space: nowrap;
    margin: 0 auto;
    letter-spacing: 2px;
    animation: typing 3.5s steps(40, end);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.about-hero .typewriter-subtitle {
    display: inline-block;
    overflow: hidden;
    white-space: nowrap;
    margin: 0 auto;
    font-size: 1.5rem;
    font-weight: 500;
    letter-spacing: 1px;
    animation: typing 3s steps(40, end);
    opacity: 0;
    animation-fill-mode: forwards;
    animation-delay: 3.5s;
}

.about-hero p {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.5rem;
    max-width: 800px;
    margin: 0 auto 40px;
    line-height: 1.8;
    font-weight: 500;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.2);
}

.about-hero .btn {
    font-family: 'Montserrat', Arial, sans-serif;
    font-size: 16px;
    font-weight: 600;
    padding: 15px 35px;
    border-radius: 30px;
    text-transform: uppercase;
    letter-spacing: 1px;
    background-color: var(--brand-color);
    border: none;
    opacity: 0;
    animation: fadeInUp 1s ease forwards;
}

.about-hero .btn:hover {
    background-color: var(--brand-hover);
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(52, 152, 219, 0.4);
}

@keyframes typing {
    from { 
        width: 0;
        opacity: 1;
    }
    to { 
        width: 100%;
        opacity: 1;
    }
}

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

/* Team Section */
.team {
    background-color: #f8f9fa;
    padding: 80px 0;
}

.team h2 {
    text-align: center;
    color: #333;
    font-size: 36px;
    margin-bottom: 50px;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    padding: 0 20px;
}

/* Responsive Design for About Page */
@media (max-width: 992px) {
    .about-grid {
        grid-template-columns: 1fr;
    }
    
    .about-hero {
        padding: 150px 0 80px;
    }
    
    .about-hero h1 {
        font-size: 36px;
    }
}

@media (max-width: 768px) {
    .about-hero h1 {
        font-size: 32px;
    }
    
    .about-text h2 {
        font-size: 28px;
    }
    
    .about-feature {
        padding: 20px;
    }
}

/* Genel Font Stilleri */
body {
    font-family: 'Open Sans', sans-serif;
    line-height: 1.6;
    color: #333;
    font-size: 16px;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    line-height: 1.3;
    letter-spacing: -0.02em;
}

/* Hero Section Typography */
.hero h1 {
    font-family: 'Playfair Display', serif;
    font-size: 3.2rem;
    font-weight: 800;
    margin-bottom: 25px;
    text-transform: uppercase;
    letter-spacing: 1px;
    line-height: 1.4;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    padding: 0 20px;
}

.hero h1 span {
    display: inline-block;
    width: 100%;
}

.hero p {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.8rem;
    max-width: 800px;
    margin: 0 auto 40px;
    line-height: 1.6;
    font-weight: 600;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    opacity: 1;
    padding: 0 20px;
}

/* Navigation Typography */
nav ul li a {
    font-family: 'Montserrat', sans-serif !important;
    font-size: 14px !important;
    font-weight: 400 !important;
    color: #2c3e50 !important;
    text-decoration: none !important;
    text-transform: none !important;
    letter-spacing: 0.5px !important;
    transition: all 0.3s ease !important;
    position: relative !important;
    padding: 5px 0 !important;
    display: inline-block !important;
    line-height: 1.5 !important;
}

nav ul li a:hover,
nav ul li a.active {
    color: #3498db !important;
    font-weight: 400 !important;
}

nav ul li a::after {
    content: '' !important;
    position: absolute !important;
    bottom: -2px !important;
    left: 0 !important;
    width: 0 !important;
    height: 1px !important;
    background-color: #3498db !important;
    transition: width 0.3s ease !important;
}

nav ul li a:hover::after,
nav ul li a.active::after {
    width: 100% !important;
}

nav ul li a.active {
    color: #3498db !important;
    font-weight: 500 !important;
}

nav ul li a.active::after {
    width: 100% !important;
    background-color: #3498db !important;
}

/* Feature Section Typography */
.feature-box h3 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 15px;
    letter-spacing: -0.01em;
}

.feature-box p {
    font-family: 'Open Sans', sans-serif;
    font-size: 1.1rem;
    line-height: 1.7;
    color: #4a4a4a;
}

/* About Preview Typography */
.about-text h2 {
    font-family: 'Playfair Display', serif;
    font-size: 2.8rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 25px;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

.about-text p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #4a4a4a;
    margin-bottom: 20px;
}

/* Course Section Typography */
.course-card h3 {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 15px;
    line-height: 1.3;
}

.course-card p {
    font-size: 1.05rem;
    line-height: 1.7;
    color: #4a4a4a;
}

/* Testimonial Typography */
.testimonial p {
    font-family: 'Open Sans', sans-serif;
    font-style: italic;
    font-size: 1.15rem;
    line-height: 1.8;
    color: #4a4a4a;
    margin-bottom: 20px;
}

.author {
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--primary-color);
}

/* CTA Section Typography */
.cta p {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.2rem;
    line-height: 1.8;
    margin-bottom: 30px;
    font-weight: 500;
}

/* Button Typography */
.btn {
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    font-size: 1.1rem;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.mission-section {
    background-color: #f9f9f9;
    padding: 60px 40px;
    border-radius: 15px;
    margin: 50px 0;
    text-align: center;
}

.mission-section h2 {
    color: var(--primary-color);
    font-size: 2.5rem;
    margin-bottom: 30px;
    font-family: 'Playfair Display', serif;
}

.mission-section p {
    font-size: 1.2rem;
    line-height: 1.8;
    margin-bottom: 30px;
}

.mission-section p em {
    font-style: italic;
    color: var(--primary-color);
    font-size: 1.4rem;
}

.education-methods {
    padding: 80px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.education-methods h2 {
    text-align: center;
    margin-bottom: 50px;
    color: #2c3e50;
    font-size: 2.5rem;
    position: relative;
}

.education-methods h2:after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: #007bff;
    margin: 15px auto;
}

.method-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    padding: 20px;
}

.method-card {
    background: white;
    border-radius: 15px;
    padding: 30px;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    position: relative;
    overflow: hidden;
}

.method-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.method-card:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: #007bff;
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.method-card:hover:before {
    transform: scaleX(1);
}

.method-card h3 {
    color: #2c3e50;
    font-size: 1.5rem;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 15px;
}

.method-card h3:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 2px;
    background: #007bff;
}

.method-card p {
    color: #6c757d;
    line-height: 1.6;
    margin: 0;
}

.method-card i {
    font-size: 2.5rem;
    color: #007bff;
    margin-bottom: 20px;
    display: block;
}

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

@media (max-width: 768px) {
    .method-grid {
        grid-template-columns: 1fr;
    }
    
    .education-methods {
        padding: 40px 0;
    }
    
    .education-methods h2 {
        font-size: 2rem;
    }
}

.stats {
    padding: 60px 0;
    text-align: center;
}

.stats h2 {
    color: var(--primary-color);
    font-size: 2.5rem;
    margin-bottom: 50px;
    font-family: 'Playfair Display', serif;
}

.stat-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
}

.stat-box {
    background: white;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.stat-box:hover {
    transform: translateY(-5px);
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    color: var(--brand-color);
    margin-bottom: 10px;
}

.stat-label {
    font-size: 1.2rem;
    color: #666;
    font-weight: 500;
}

.location {
    background: #f9f9f9;
    padding: 60px 40px;
    border-radius: 15px;
    margin: 50px 0;
    text-align: center;
}

.location h2 {
    color: var(--primary-color);
    font-size: 2.5rem;
    margin-bottom: 30px;
    font-family: 'Playfair Display', serif;
}

.location p {
    font-size: 1.2rem;
    margin-bottom: 30px;
}

.location ul {
    list-style: none;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    max-width: 900px;
    margin: 0 auto 40px;
}

.location li {
    font-size: 1.1rem;
    padding: 15px;
    background: white;
    border-radius: 10px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.05);
    display: flex;
    align-items: center;
    gap: 10px;
    justify-content: center;
}

.location-map {
    width: 100%;
    max-width: 900px;
    height: 400px;
    margin: 0 auto;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

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

.cta-box {
    background: var(--brand-color);
    padding: 60px 40px;
    border-radius: 15px;
    margin: 50px 0;
    text-align: center;
    color: white;
}

.cta-box p {
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 30px;
    font-family: 'Montserrat', sans-serif;
}

.cta-box .btn {
    background: white;
    color: var(--brand-color);
    font-size: 1.2rem;
    padding: 15px 40px;
    border-radius: 30px;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s ease;
}

.cta-box .btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 20px rgba(255, 255, 255, 0.3);
}

@media (max-width: 768px) {
    .stat-grid {
        grid-template-columns: 1fr;
    }
    
    .education-methods {
        grid-template-columns: 1fr;
    }
    
    .location ul {
        grid-template-columns: 1fr;
    }
    
    .mission-section,
    .location,
    .cta-box {
        padding: 40px 20px;
    }
    
    .stat-number {
        font-size: 2.5rem;
    }
    
    .cta-box p {
        font-size: 1.5rem;
    }
}

/* Adult Group Card Animations */
.course-card[data-group="adult"] {
    animation: fadeInScale 0.8s ease-out;
    background: linear-gradient(135deg, #1a365d 0%, #2c5282 100%);
}

.course-card[data-group="adult"] .course-header {
    background: linear-gradient(135deg, #2c5282 0%, #1a365d 100%);
    position: relative;
    overflow: hidden;
}

.course-card[data-group="adult"] .course-header::before {
    content: "📚";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0);
    font-size: 2.5rem;
    opacity: 0;
    transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.course-card[data-group="adult"] .course-header::after {
    content: "🎓";
    position: absolute;
    top: 30%;
    left: 30%;
    transform: translate(-50%, -50%) scale(0);
    font-size: 2rem;
    opacity: 0;
    transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.course-card[data-group="adult"]:hover .course-header::before {
    transform: translate(-50%, -50%) scale(1);
    opacity: 0.8;
    animation: floatIcon 2s ease-in-out infinite;
}

.course-card[data-group="adult"]:hover .course-header::after {
    transform: translate(-50%, -50%) scale(1);
    opacity: 0.8;
    animation: floatIcon 2s ease-in-out infinite reverse;
}

.course-card[data-group="adult"] .level-tag {
    background: linear-gradient(135deg, #4299e1 0%, #3182ce 100%);
    box-shadow: 0 4px 15px rgba(66, 153, 225, 0.3);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.course-card[data-group="adult"] .level-tag:hover {
    transform: translateY(-2px) scale(1.05);
    box-shadow: 0 6px 20px rgba(66, 153, 225, 0.4);
    background: linear-gradient(135deg, #3182ce 0%, #2b6cb0 100%);
}

.course-card[data-group="adult"] .course-features li {
    position: relative;
    padding-left: 1.5rem;
    transition: all 0.3s ease;
}

.course-card[data-group="adult"] .course-features li::before {
    content: "→";
    position: absolute;
    left: 0;
    opacity: 0;
    transform: translateX(-10px);
    transition: all 0.3s ease;
}

.course-card[data-group="adult"] .course-features li:hover {
    transform: translateX(5px);
    color: #4299e1;
}

.course-card[data-group="adult"] .course-features li:hover::before {
    opacity: 1;
    transform: translateX(0);
}

.course-card[data-group="adult"] .btn {
    background: linear-gradient(135deg, #4299e1 0%, #3182ce 100%);
    position: relative;
    overflow: hidden;
}

.course-card[data-group="adult"] .btn::before {
    content: "";
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.2),
        transparent
    );
    transition: 0.5s;
}

.course-card[data-group="adult"] .btn:hover::before {
    left: 100%;
}

.course-card[data-group="adult"] .btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(66, 153, 225, 0.4);
}

@keyframes floatIcon {
    0%, 100% {
        transform: translate(-50%, -50%) scale(1) rotate(0deg);
    }
    50% {
        transform: translate(-50%, -60%) scale(1.1) rotate(5deg);
    }
}

@keyframes fadeInScale {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Contact Section Styles */
.contact-info {
    padding-top: 160px;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.contact-info h2 {
    text-align: center;
    margin-bottom: 20px;
    color: #1a365d;
    font-size: 2.8rem;
    font-weight: 700;
    font-family: 'Playfair Display', serif;
}

.contact-description {
    text-align: center;
    color: #4a5568;
    font-size: 1.2rem;
    margin-bottom: 50px;
    font-family: 'Montserrat', sans-serif;
}

.contact-buttons {
    display: grid;
    grid-template-columns: repeat(4, minmax(250px, 1fr));
    gap: 25px;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

.contact-button {
    height: 100%;
    display: flex;
    align-items: center;
    padding: 20px;
    border-radius: 20px;
    text-decoration: none;
    color: white;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    position: relative;
    overflow: hidden;
    min-width: 0;
}

.button-content {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-width: 0;
}

.button-label {
    font-size: 1rem;
    font-weight: 500;
    opacity: 0.9;
    margin-bottom: 5px;
    white-space: nowrap;
}

.button-value {
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.contact-button.instagram .button-value {
    font-size: 0.95rem;
    letter-spacing: 0;
}

.contact-button i {
    font-size: 1.8rem;
    margin-right: 15px;
    flex-shrink: 0;
}

@media (max-width: 1400px) {
    .contact-buttons {
        grid-template-columns: repeat(2, 1fr);
    }
}

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

.contact-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, rgba(255,255,255,0.1), rgba(255,255,255,0));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.contact-button:hover::before {
    opacity: 1;
}

.contact-button:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

.contact-button:hover i {
    transform: scale(1.1) rotate(5deg);
}

/* Phone Button */
.contact-button.phone {
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
}

/* WhatsApp Button */
.contact-button.whatsapp {
    background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
}

/* Facebook Button */
.contact-button.facebook {
    background: linear-gradient(135deg, #1877F2 0%, #0d6efd 100%);
}

/* Instagram Button */
.contact-button.instagram {
    background: linear-gradient(135deg, #E1306C 0%, #833AB4 100%);
}

.contact-button.instagram .button-label {
    font-size: 1.1rem;
    font-weight: 600;
    margin: 0;
}

.contact-button.instagram i {
    font-size: 2rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .contact-info {
        padding: 60px 0;
    }

    .contact-info h2 {
        font-size: 2.2rem;
    }

    .contact-description {
        font-size: 1.1rem;
        margin-bottom: 30px;
    }

    .contact-buttons {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .contact-button {
        padding: 25px;
    }

    .contact-button i {
        font-size: 1.8rem;
        margin-right: 15px;
    }

    .button-label {
        font-size: 0.9rem;
    }

    .button-value {
        font-size: 1.1rem;
    }
}

/* Animation for Contact Buttons */
@keyframes buttonPulse {
    0% {
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    }
    50% {
        box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
    }
    100% {
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    }
}

.contact-button {
    animation: buttonPulse 3s infinite;
}

.contact-button.facebook .button-label,
.contact-button.instagram .button-label {
    font-size: 1.1rem;
    font-weight: 600;
    margin: 0;
}

.contact-button.facebook i,
.contact-button.instagram i {
    font-size: 2rem;
}

/* Location Info Section */
.location-info {
    padding: 80px 0;
    background-color: #fff;
}

.info-grid {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 40px;
    align-items: start;
}

.business-info {
    background: #f8f9fa;
    padding: 30px;
    border-radius: 20px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.business-info h3 {
    color: #1a365d;
    font-size: 1.5rem;
    margin-bottom: 20px;
    font-weight: 600;
}

.hours {
    margin-bottom: 30px;
}

.hour-item {
    display: flex;
    justify-content: space-between;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 1px solid #e2e8f0;
}

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

.day {
    font-weight: 500;
    color: #4a5568;
}

.time {
    color: #2d3748;
    font-weight: 600;
}

.address {
    color: #4a5568;
    line-height: 1.6;
}

.address i {
    color: #3182ce;
    margin-right: 10px;
}

.map {
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.map iframe {
    display: block;
}

@media (max-width: 992px) {
    .info-grid {
        grid-template-columns: 1fr;
    }
    
    .business-info {
        order: 2;
    }
    
    .map {
        order: 1;
    }
}

.course-section h2 {
    font-size: 5em;
    font-weight: 900;
    margin-bottom: 60px;
    text-align: center;
    color: #FF1493;
    text-shadow: 5px 5px 10px rgba(255, 20, 147, 0.3);
    letter-spacing: 2px;
    position: relative;
    padding-bottom: 30px;
    text-transform: uppercase;
    line-height: 1.2;
}

.course-section h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 160px;
    height: 8px;
    background: #FF1493;
    border-radius: 4px;
}

/* Intro Animation */
.intro-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background-color: #FFFFFF;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    opacity: 1;
    transition: opacity 0.5s ease;
    pointer-events: none;
}

.intro-overlay.active {
    opacity: 0;
}

.intro-logo {
    height: 990px;
    width: auto;
    animation: fadeInAndOut 2s ease-in-out;
    object-fit: contain;
}

@keyframes fadeInAndOut {
    0% {
        opacity: 0;
        transform: scale(0.8);
    }
    50% {
        opacity: 1;
        transform: scale(1);
    }
    100% {
        opacity: 0;
        transform: scale(1.1);
    }
}

@keyframes globeRotate {
    0% {
        transform: rotateY(0deg);
    }
    100% {
        transform: rotateY(360deg);
    }
}

/* Add a subtle pulse effect to the background */
.intro-overlay::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, transparent 0%, rgba(0, 0, 0, 0.3) 100%);
    animation: pulseBackground 3s ease-in-out infinite;
}

@keyframes pulseBackground {
    0%, 100% {
        opacity: 0.5;
    }
    50% {
        opacity: 0.8;
    }
}

/* Add a horizontal shine effect */
.intro-overlay::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 200%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent 0%,
        rgba(255, 255, 255, 0.1) 50%,
        transparent 100%
    );
    animation: shine 3s ease-in-out infinite;
}

@keyframes shine {
    0% {
        transform: translateX(-100%);
    }
    100% {
        transform: translateX(100%);
    }
}

main {
    padding-top: 160px; /* Header yüksekliği kadar padding artırıldı */
    opacity: 1;
    visibility: visible;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.hero-content p {
    font-size: 2.2rem;
    color: #2c3e50;
    margin: 25px 0;
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    line-height: 1.4;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.1);
}

@media (max-width: 768px) {
    .hero-content p {
        font-size: 1.8rem;
    }
}

@media (max-width: 480px) {
    .hero-content p {
        font-size: 1.5rem;
    }
}

/* Placement Test Section */
.placement-test {
    padding: 80px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.placement-test h2 {
    text-align: center;
    color: #2c3e50;
    margin-bottom: 30px;
    font-size: 2.5rem;
}

.test-info, .test-hint {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 20px;
    color: #495057;
}

.test-hint {
    color: #6c757d;
    font-style: italic;
    font-size: 0.9rem;
}

.password-form {
    max-width: 400px;
    margin: 40px auto;
    text-align: center;
}

.password-form input {
    width: 100%;
    padding: 12px 15px;
    margin-bottom: 15px;
    border: 2px solid #dee2e6;
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.password-form input:focus {
    outline: none;
    border-color: #007bff;
}

.test-welcome {
    max-width: 800px;
    margin: 0 auto;
    padding: 30px;
    background: white;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.test-welcome h3 {
    color: #2c3e50;
    margin-bottom: 20px;
    text-align: center;
}

.test-instructions {
    list-style: none;
    padding: 0;
    margin: 30px 0;
}

.test-instructions li {
    padding: 10px 0;
    border-bottom: 1px solid #dee2e6;
    color: #495057;
}

.test-instructions li:last-child {
    border-bottom: none;
}

.btn-primary.start-test {
    display: block;
    width: 200px;
    margin: 30px auto 0;
}

@media (max-width: 768px) {
    .placement-test {
        padding: 60px 0;
    }

    .placement-test h2 {
        font-size: 2rem;
    }

    .test-welcome {
        margin: 0 20px;
    }
}

/* Examination Page Styles */
.examination-section {
    padding: 180px 0 100px;
    background: linear-gradient(135deg, #f5f7fa 0%, #e4e8eb 100%);
    min-height: calc(100vh - 80px);
    display: flex;
    align-items: center;
    justify-content: center;
}

.examination-content {
    max-width: 800px;
    width: 90%;
    margin: 0 auto;
    background: #fff;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.examination-content h1 {
    color: #333;
    text-align: center;
    margin-bottom: 30px;
    font-size: 2.5rem;
}

.password-form {
    text-align: center;
    margin-bottom: 30px;
}

.test-info {
    font-size: 1.2rem;
    color: #555;
    margin-bottom: 20px;
}

.test-hint {
    font-size: 1rem;
    color: #777;
    margin-bottom: 25px;
}

.input-group {
    display: flex;
    gap: 10px;
    justify-content: center;
    margin-top: 20px;
}

.input-group input {
    padding: 12px 20px;
    border: 2px solid #ddd;
    border-radius: 5px;
    font-size: 1rem;
    width: 250px;
    transition: border-color 0.3s;
}

.input-group input:focus {
    border-color: #007bff;
    outline: none;
}

.input-group button {
    padding: 12px 30px;
    background: #007bff;
    color: #fff;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1rem;
    transition: background 0.3s;
}

.input-group button:hover {
    background: #0056b3;
}

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

.test-welcome h2 {
    color: #333;
    margin-bottom: 25px;
}

.test-instructions {
    text-align: left;
    background: #f8f9fa;
    padding: 25px 40px;
    border-radius: 8px;
    margin-bottom: 30px;
}

.test-instructions li {
    margin-bottom: 12px;
    color: #555;
    font-size: 1.1rem;
}

.start-test-btn {
    padding: 15px 40px;
    background: #007bff;
    color: #fff;
    border: none;
    border-radius: 5px;
    font-size: 1.1rem;
    cursor: pointer;
    transition: background 0.3s;
}

.start-test-btn:hover {
    background: #0056b3;
}

@media (max-width: 768px) {
    .examination-section {
        padding: 60px 20px;
        min-height: calc(100vh - 60px);
    }

    .examination-content {
        padding: 30px 20px;
        width: 95%;
    }

    .examination-content h1 {
        font-size: 2rem;
    }

    .input-group {
        flex-direction: column;
        align-items: center;
    }

    .input-group input {
        width: 100%;
        max-width: 300px;
    }
}

/* Sınav Soruları Stilleri */
.question-box {
    background-color: #fff;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    padding: 40px;
    margin: 20px auto;
    max-width: 800px;
    width: 90%;
}

.question-box h3 {
    color: var(--primary-color);
    margin-bottom: 25px;
    font-size: 1.5rem;
    text-align: center;
}

.question-text {
    font-size: 1.2rem;
    margin-bottom: 30px;
    color: #333;
    line-height: 1.6;
}

.options {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-bottom: 30px;
}

.option {
    background-color: #f8f9fa;
    border: 2px solid #e9ecef;
    border-radius: 8px;
    padding: 15px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.option:hover {
    background-color: #e9ecef;
    border-color: var(--primary-color);
}

.option input[type="radio"] {
    margin-right: 10px;
}

.option label {
    cursor: pointer;
    font-size: 1.1rem;
    color: #495057;
}

.question-navigation {
    display: flex;
    justify-content: space-between;
    margin-top: 30px;
}

.question-navigation button {
    padding: 12px 25px;
    background: #3498db;
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    min-width: 120px;
}

.question-navigation button:hover {
    background: #2980b9;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.question-navigation .finish-btn {
    background: #27ae60;
    margin-left: 15px;
    position: relative;
    overflow: hidden;
}

.question-navigation .finish-btn:hover {
    background: #219a52;
}

.question-navigation .finish-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        120deg,
        transparent,
        rgba(255, 255, 255, 0.2),
        transparent
    );
    transition: 0.5s;
}

.question-navigation .finish-btn:hover::before {
    left: 100%;
}

@media (max-width: 768px) {
    .question-navigation {
        flex-direction: column;
        gap: 15px;
        align-items: stretch;
    }

    .question-navigation button {
        width: 100%;
        margin: 0;
    }

    .question-navigation .finish-btn {
        margin-left: 0;
        margin-top: 10px;
    }
}

.timer {
    position: fixed;
    top: 20px;
    right: 20px;
    background-color: var(--primary-color);
    color: white;
    padding: 10px 20px;
    border-radius: 5px;
    font-size: 1.2rem;
    font-weight: bold;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.test-results {
    text-align: center;
    padding: 40px;
    background-color: #fff;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    margin: 20px auto;
    max-width: 600px;
}

.test-results h2 {
    color: var(--primary-color);
    margin-bottom: 20px;
}

.test-results p {
    font-size: 1.2rem;
    margin-bottom: 15px;
    color: #495057;
}

.test-results button {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 15px 30px;
    border-radius: 5px;
    font-size: 1.1rem;
    cursor: pointer;
    margin-top: 20px;
    transition: background-color 0.3s ease;
}

.test-results button:hover {
    background-color: var(--secondary-color);
}

@media (max-width: 768px) {
    .question-box {
        width: 95%;
        padding: 20px;
    }
    
    .question-text {
        font-size: 1.1rem;
    }
    
    .option {
        padding: 12px;
    }
    
    .option label {
        font-size: 1rem;
    }
    
    .question-navigation button {
        padding: 10px 20px;
        font-size: 0.9rem;
    }
    
    .timer {
        position: static;
        margin: 20px auto;
        text-align: center;
        display: inline-block;
    }
}

#questionContainer {
    margin-top: 50px;
}

.navigation-buttons {
    display: flex;
    justify-content: space-between;
    margin-top: 30px;
    gap: 15px;
}

.navigation-buttons button {
    padding: 12px 25px;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.navigation-buttons button:first-child {
    background-color: #f0f0f0;
    color: #333;
}

.navigation-buttons button:last-child {
    background-color: #007bff;
    color: white;
    box-shadow: 0 4px 15px rgba(0, 123, 255, 0.2);
}

.navigation-buttons button:hover {
    transform: translateY(-2px);
}

.navigation-buttons button:first-child:hover {
    background-color: #e4e4e4;
}

.navigation-buttons button:last-child:hover {
    background-color: #0056b3;
    box-shadow: 0 6px 20px rgba(0, 123, 255, 0.3);
}

.navigation-buttons button:active {
    transform: translateY(1px);
}

.navigation-buttons button:last-child:active {
    box-shadow: 0 2px 10px rgba(0, 123, 255, 0.2);
}

/* Sınavı Bitir butonu için özel stil */
.navigation-buttons button:last-child[onclick="finishTest()"] {
    background-color: #28a745;
    box-shadow: 0 4px 15px rgba(40, 167, 69, 0.2);
}

.navigation-buttons button:last-child[onclick="finishTest()"]:hover {
    background-color: #218838;
    box-shadow: 0 6px 20px rgba(40, 167, 69, 0.3);
}

.navigation-buttons button:last-child[onclick="finishTest()"]:active {
    box-shadow: 0 2px 10px rgba(40, 167, 69, 0.2);
}

/* About Page Styles */
.about-hero {
    background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('../images/classroom-new.jpg');
    background-size: cover;
    background-position: center;
    color: white;
    text-align: center;
    padding: 100px 0;
    margin-bottom: 50px;
}

.about-hero h1 {
    font-size: 3rem;
    margin-bottom: 20px;
    color: white;
}

.about-hero p {
    font-size: 1.2rem;
    max-width: 600px;
    margin: 0 auto;
}

.about-content {
    padding: 50px 0;
}

.about-section {
    display: flex;
    align-items: center;
    gap: 50px;
    margin-bottom: 80px;
    padding: 40px;
    background: #fff;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease;
}

.about-section:hover {
    transform: translateY(-5px);
}

.section-title {
    position: relative;
    margin-bottom: 30px;
}

.section-title h2 {
    font-size: 2.5rem;
    color: #2c3e50;
    margin-bottom: 15px;
    font-weight: 700;
    text-align: left;
}

.title-underline {
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, #3498db, #2980b9);
    border-radius: 2px;
    margin-top: 10px;
}

.about-description {
    background: #f8f9fa;
    padding: 25px;
    border-radius: 15px;
    border-left: 5px solid #3498db;
}

.about-description p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #34495e;
    margin-bottom: 15px;
}

.about-description p:last-child {
    margin-bottom: 0;
}

.about-text {
    flex: 1;
}

.about-image {
    flex: 1;
    position: relative;
    overflow: hidden;
    border-radius: 15px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.about-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

@media (max-width: 768px) {
    .about-section {
        flex-direction: column;
        padding: 25px;
    }

    .section-title h2 {
        font-size: 2rem;
    }

    .about-description {
        padding: 20px;
    }

    .about-image {
        width: 100%;
        margin-top: 30px;
    }
}

.about-section:nth-child(even) {
    flex-direction: row-reverse;
}

.about-image {
    flex: 1;
}

.about-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

/* Özel olarak bina fotoğrafı için kırpma ayarı */
.about-section:first-child .about-image img {
    object-position: center 40%;  /* Binanın orta kısmına odaklanır */
    height: 450px;  /* Biraz daha yüksek gösterim */
}

.team {
    background-color: var(--light-bg);
    padding: 80px 0;
}

.team h2 {
    text-align: center;
    margin-bottom: 50px;
    color: var(--primary-color);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.team-member {
    background: white;
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.team-member:hover {
    transform: translateY(-10px);
}

.team-member img {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    margin-bottom: 20px;
    object-fit: cover;
}

.team-member h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
    color: var(--primary-color);
}

.team-member p {
    color: var(--text-color);
    font-size: 1rem;
}

@media (max-width: 768px) {
    .about-section {
        flex-direction: column;
    }
    
    .about-section:nth-child(even) {
        flex-direction: column;
    }
    
    .about-text, .about-image {
        flex: none;
        width: 100%;
    }
    
    .team-grid {
        grid-template-columns: 1fr;
    }
}

/* Mobile First Base Styles */
@media (max-width: 768px) {
    .container {
        width: 95%;
        padding: 0 10px;
    }

    /* Header Mobile Styles */
    header {
        padding: 10px 0;
    }

    .header-top {
        padding: 10px 0;
    }

    .logo img {
        height: 50px;
    }

    .header-bottom {
        padding: 5px 0;
    }

    header nav ul {
        flex-direction: column;
        gap: 15px;
        padding: 15px 0;
    }

    header nav ul li a {
        font-size: 16px;
        padding: 8px 0;
    }

    /* Hero Section Mobile Styles */
    .hero, .about-hero {
        padding: 100px 0 60px;
        margin-top: 80px;
    }

    .hero h1, .about-hero h1 {
        font-size: 2rem;
        padding: 0 15px;
    }

    .hero p, .about-hero p {
        font-size: 1.2rem;
        padding: 0 15px;
    }

    /* About Section Mobile Styles */
    .about-section {
        flex-direction: column;
        padding: 20px;
        margin-bottom: 40px;
    }

    .section-title h2 {
        font-size: 1.8rem;
    }

    .about-description {
        padding: 15px;
    }

    .about-description p {
        font-size: 1rem;
    }

    .about-image {
        margin-top: 20px;
    }

    .about-image img {
        height: 300px;
    }

    /* Footer Mobile Styles */
    footer {
        padding: 40px 0 0;
    }

    .footer-col {
        margin-bottom: 30px;
        padding: 0 10px;
    }

    .footer-logo {
        height: 50px;
    }

    .footer-col h3 {
        font-size: 1.2rem;
        margin-bottom: 15px;
    }

    .footer-col p, .footer-col a {
        font-size: 0.9rem;
    }

    /* Contact Section Mobile Styles */
    .contact-info {
        padding: 40px 0;
    }

    .contact-buttons {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .contact-button {
        padding: 15px;
    }

    /* Examination Section Mobile Styles */
    .examination-section {
        padding: 60px 0;
    }

    .examination-content {
        padding: 20px;
    }

    .examination-content h1 {
        font-size: 1.8rem;
    }

    /* Course Section Mobile Styles */
    .course-grid {
        grid-template-columns: 1fr;
    }

    .course-card {
        margin-bottom: 20px;
    }

    /* Navigation Mobile Styles */
    .navigation-buttons {
        flex-direction: column;
    }

    .navigation-buttons button {
        width: 100%;
        margin-bottom: 10px;
    }

    /* WhatsApp Support Button Mobile Styles */
    .whatsapp-support {
        bottom: 20px;
        right: 20px;
        width: 60px;
        height: 60px;
    }
}

/* Small Mobile Devices */
@media (max-width: 480px) {
    .hero h1, .about-hero h1 {
        font-size: 1.8rem;
    }

    .hero p, .about-hero p {
        font-size: 1.1rem;
    }

    .section-title h2 {
        font-size: 1.6rem;
    }

    .about-image img {
        height: 250px;
    }

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

    .footer-col ul {
        text-align: center;
    }
}

/* Tablet Devices */
@media (min-width: 769px) and (max-width: 1024px) {
    .container {
        width: 90%;
    }

    .about-section {
        padding: 30px;
    }

    .about-image img {
        height: 350px;
    }

    .course-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Mobile Optimization */
@media (max-width: 768px) {
    .container {
        width: 95%;
        padding: 0 15px;
    }

    /* Header */
    header {
        padding: 10px 0;
    }

    .logo img {
        height: 50px;
    }

    nav ul {
        flex-direction: column;
        align-items: center;
        gap: 10px;
    }

    nav ul li a {
        font-size: 16px;
        padding: 8px 0;
    }

    /* Hero Sections */
    .hero, .about-hero {
        padding: 80px 0 40px;
        margin-top: 60px;
    }

    .hero h1, .about-hero h1 {
        font-size: 2rem;
    }

    .hero p, .about-hero p {
        font-size: 1.1rem;
    }

    /* About Section */
    .about-section {
        flex-direction: column;
        padding: 20px;
        margin-bottom: 30px;
    }

    .about-text {
        width: 100%;
    }

    .about-image {
        width: 100%;
        margin-top: 20px;
    }

    .about-image img {
        height: 250px;
    }

    /* Footer */
    footer {
        padding: 30px 0 0;
    }

    .footer-col {
        width: 100%;
        margin-bottom: 30px;
        text-align: center;
    }

    .footer-logo {
        height: 50px;
        margin: 0 auto 15px;
    }

    .footer-col h3 {
        font-size: 1.2rem;
        margin-bottom: 15px;
    }

    .footer-col p, .footer-col a {
        font-size: 0.9rem;
    }

    /* Contact Section */
    .contact-buttons {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    /* Examination Section */
    .examination-section {
        padding: 60px 0;
    }

    .examination-content {
        padding: 20px;
    }

    .input-group {
        flex-direction: column;
    }

    .input-group input {
        width: 100%;
        margin-bottom: 10px;
    }

    /* Course Section */
    .course-grid {
        grid-template-columns: 1fr;
    }

    /* Navigation Buttons */
    .navigation-buttons {
        flex-direction: column;
    }

    .navigation-buttons button {
        width: 100%;
        margin-bottom: 10px;
    }
}

/* Small Mobile Devices */
@media (max-width: 480px) {
    .hero h1, .about-hero h1 {
        font-size: 1.8rem;
    }

    .hero p, .about-hero p {
        font-size: 1rem;
    }

    .about-image img {
        height: 200px;
    }

    .footer-col {
        padding: 0 10px;
    }
}

/* Mobile Styles */
@media screen and (max-width: 768px) {
    /* Base Layout */
    .container {
        width: 100%;
        padding: 0 10px;
    }

    /* Header */
    header {
        position: fixed;
        top: 0;
        width: 100%;
        padding: 5px 0;
    }

    .logo img {
        height: 40px;
    }

    nav ul {
        display: block;
        text-align: center;
    }

    nav ul li {
        display: block;
        margin: 5px 0;
    }

    nav ul li a {
        display: block;
        padding: 8px 0;
        font-size: 14px;
    }

    /* Hero Sections */
    .hero, .about-hero {
        padding: 60px 0 30px;
        margin-top: 50px;
    }

    .hero h1, .about-hero h1 {
        font-size: 24px;
        margin-bottom: 15px;
    }

    .hero p, .about-hero p {
        font-size: 16px;
    }

    /* About Section */
    .about-section {
        display: block;
        padding: 15px;
        margin-bottom: 20px;
    }

    .about-text {
        width: 100%;
        margin-bottom: 15px;
    }

    .about-image {
        width: 100%;
    }

    .about-image img {
        height: 200px;
        object-fit: cover;
    }

    /* Footer */
    footer {
        padding: 20px 0 0;
    }

    .footer-col {
        width: 100%;
        margin-bottom: 20px;
        text-align: center;
    }

    .footer-logo {
        height: 40px;
        margin-bottom: 10px;
    }

    .footer-col h3 {
        font-size: 18px;
        margin-bottom: 10px;
    }

    .footer-col p, .footer-col a {
        font-size: 14px;
    }

    /* Contact Section */
    .contact-buttons {
        display: block;
    }

    .contact-button {
        margin-bottom: 10px;
    }

    /* Examination Section */
    .examination-section {
        padding: 40px 0;
    }

    .examination-content {
        padding: 15px;
    }

    .input-group {
        display: block;
    }

    .input-group input {
        width: 100%;
        margin-bottom: 10px;
    }

    /* Course Section */
    .course-grid {
        display: block;
    }

    .course-card {
        margin-bottom: 15px;
    }

    /* Navigation Buttons */
    .navigation-buttons {
        display: block;
    }

    .navigation-buttons button {
        width: 100%;
        margin-bottom: 10px;
    }
}

/* Small Mobile Devices */
@media screen and (max-width: 480px) {
    .hero h1, .about-hero h1 {
        font-size: 20px;
    }

    .hero p, .about-hero p {
        font-size: 14px;
    }

    .about-image img {
        height: 180px;
    }

    .footer-col {
        padding: 0 5px;
    }
}

@media screen and (max-width: 768px) {
    nav ul {
        display: block;
        text-align: center;
        padding: 0;
        margin: 0;
    }
    nav ul li {
        display: block;
        margin: 0;
        padding: 0;
    }
    nav ul li a {
        display: block;
        padding: 10px 0 6px 0;
        font-size: 15px;
        line-height: 1.2;
        margin: 0;
    }
}

/* Hamburger Menu Styles */
@media (max-width: 768px) {
  .hamburger {
    display: block;
    position: absolute;
    top: 18px;
    right: 20px;
    width: 36px;
    height: 36px;
    z-index: 1201;
    cursor: pointer;
    background: none !important;
    border: none !important;
    box-shadow: none !important;
  }
  .hamburger span, .hamburger span:before, .hamburger span:after {
    display: block;
    position: absolute;
    width: 28px;
    height: 4px;
    background: #2c3e50;
    border-radius: 2px;
    transition: all 0.3s cubic-bezier(.4,2,.3,1);
  }
  .hamburger span {
    top: 16px;
    left: 4px;
  }
  .hamburger span:before {
    content: '';
    top: -10px;
    left: 0;
  }
  .hamburger span:after {
    content: '';
    top: 10px;
    left: 0;
  }
  .hamburger.active span {
    background: transparent;
  }
  .hamburger.active span:before {
    transform: translateY(10px) rotate(45deg);
  }
  .hamburger.active span:after {
    transform: translateY(-10px) rotate(-45deg);
  }
  nav {
    display: none !important;
  }
  .mobile-menu {
    display: block;
    position: fixed;
    top: 0;
    left: 0;
    width: 85%;
    height: 100vh;
    background: rgba(255,255,255,0.98);
    z-index: 1200;
    transform: translateX(-100%);
    transition: transform 0.6s cubic-bezier(.4,2,.3,1);
    box-shadow: 8px 0 32px rgba(0,0,0,0.12);
  }
  .mobile-menu.active {
    transform: translateX(0);
  }
  .mobile-menu ul {
    list-style: none;
    padding: 80px 0 0 0;
    margin: 0;
    text-align: left;
  }
  .mobile-menu ul li {
    margin: 0 0 15px 0;
    opacity: 0;
    transform: translateX(-50px);
    transition: all 0.5s cubic-bezier(.4,2,.3,1);
  }
  .mobile-menu.active ul li {
    opacity: 1;
    transform: translateX(0);
  }
  .mobile-menu ul li a {
    font-size: 1.2rem;
    color: #2c3e50;
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    padding: 12px 25px;
    display: block;
    border-radius: 8px;
    transition: all 0.3s ease;
    background: rgba(52, 152, 219, 0.1);
    border: 1px solid rgba(52, 152, 219, 0.2);
  }
  .mobile-menu ul li a:hover {
    background: #3498db;
    color: white;
    transform: translateX(10px);
  }
  .mobile-menu-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(44,62,80,0.2);
    backdrop-filter: blur(2px);
    z-index: 1199;
    transition: opacity 0.5s ease;
  }
  .mobile-menu.active ~ .mobile-menu-overlay {
    display: block;
  }
}

@media (min-width: 769px) {
  .hamburger, .mobile-menu, .mobile-menu-overlay {
    display: none !important;
  }
}

@media (max-width: 768px) {
  /* Hide normal nav, show hamburger and mobile menu only on mobile */
  header nav {
    display: none !important;
  }
  .hamburger {
    display: block !important;
  }
  .mobile-menu {
    display: block !important;
    position: fixed;
    top: 0;
    left: 0;
    width: 85%;
    height: 100vh;
    background: rgba(255,255,255,0.98);
    z-index: 1200;
    transform: translateX(-100%);
    transition: transform 0.6s cubic-bezier(.4,2,.3,1);
    box-shadow: 8px 0 32px rgba(0,0,0,0.12);
  }
  .mobile-menu.active {
    transform: translateX(0);
  }
  .mobile-menu-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(44,62,80,0.2);
    backdrop-filter: blur(2px);
    z-index: 1199;
    transition: opacity 0.5s ease;
  }
  .mobile-menu.active ~ .mobile-menu-overlay {
    display: block;
  }
}

@media (min-width: 769px) {
  .hamburger, .mobile-menu, .mobile-menu-overlay {
    display: none !important;
  }
  header nav {
    display: block !important;
  }
}

@media (max-width: 768px) {
  .mobile-menu {
    display: block !important;
    position: fixed !important;
    top: 0 !important;
    left: -100% !important;
    width: 85% !important;
    height: 100vh !important;
    background: #ffffff !important;
    z-index: 1200 !important;
    transition: left 0.4s ease-in-out !important;
    box-shadow: 4px 0 25px rgba(0, 0, 0, 0.15) !important;
  }

  .mobile-menu .logo {
    text-align: center;
    padding: 20px 0;
    margin-top: 20px;
  }

  .mobile-menu .logo img {
    height: 45px;
    width: auto;
    margin: 0 auto;
    display: block;
  }

  .mobile-menu.active {
    left: 0 !important;
  }

  .mobile-menu-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1199;
    opacity: 0;
    transition: opacity 0.3s ease;
  }

  .mobile-menu-overlay.active {
    display: block;
    opacity: 1;
  }

  .mobile-menu ul {
    list-style: none !important;
    padding: 40px 20px 20px !important;
    margin: 0 !important;
  }

  .mobile-menu ul li {
    margin: 0 0 6px 0 !important;
  }

  .mobile-menu ul li a {
    display: block !important;
    padding: 12px 25px !important;
    font-size: 1.1rem !important;
    font-weight: 600 !important;
    color: #2c3e50 !important;
    text-decoration: none !important;
    background: rgba(255, 255, 255, 0.9) !important;
    border-radius: 12px !important;
    border: 2px solid #e2e8f0 !important;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1) !important;
    position: relative !important;
    backdrop-filter: blur(10px) !important;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05) !important;
  }

  .mobile-menu ul li a:hover {
    background: linear-gradient(135deg, #3498db, #2980b9) !important;
    color: #ffffff !important;
    border-color: #3498db !important;
    padding-left: 35px !important;
    box-shadow: 0 8px 15px rgba(52, 152, 219, 0.3) !important;
    transform: translateY(-2px) !important;
  }

  .mobile-menu ul li a::after {
    content: '→' !important;
    position: absolute !important;
    right: 25px !important;
    top: 50% !important;
    transform: translateY(-50%) !important;
    opacity: 0 !important;
    transition: all 0.4s ease !important;
    font-size: 1.2rem !important;
    color: #ffffff !important;
  }

  .mobile-menu ul li a:hover::after {
    opacity: 1 !important;
    transform: translate(5px, -50%) !important;
  }

  /* Her buton için farklı gradient renkleri */
  .mobile-menu ul li:nth-child(1) a:hover {
    background: linear-gradient(135deg, #3498db, #2980b9) !important;
    border-color: #3498db !important;
  }

  .mobile-menu ul li:nth-child(2) a:hover {
    background: linear-gradient(135deg, #e74c3c, #c0392b) !important;
    border-color: #e74c3c !important;
  }

  .mobile-menu ul li:nth-child(3) a:hover {
    background: linear-gradient(135deg, #2ecc71, #27ae60) !important;
    border-color: #2ecc71 !important;
  }

  .mobile-menu ul li:nth-child(4) a:hover {
    background: linear-gradient(135deg, #9b59b6, #8e44ad) !important;
    border-color: #9b59b6 !important;
  }

  .mobile-menu ul li:nth-child(5) a:hover {
    background: linear-gradient(135deg, #f1c40f, #f39c12) !important;
    border-color: #f1c40f !important;
  }

  /* Aktif menü öğesi için stil */
  .mobile-menu ul li a.active {
    background: linear-gradient(135deg, #3498db, #2980b9) !important;
    color: #ffffff !important;
    border-color: #3498db !important;
    box-shadow: 0 8px 15px rgba(52, 152, 219, 0.3) !important;
  }
}

@media (max-width: 768px) {
  .mobile-menu.active ~ .logo img {
    height: 40px;
    transition: height 0.3s ease;
  }
}

@media (max-width: 768px) {
  .course-grid {
    display: flex;
    flex-direction: column;
    gap: 22px;
    margin-top: 30px;
  }
  .course-card {
    border-radius: 18px;
    box-shadow: 0 4px 18px rgba(44,62,80,0.10);
    border: none;
    margin-bottom: 0;
    padding: 0;
    overflow: hidden;
    background: #fff;
    min-width: 0;
  }
  .course-header {
    padding: 18px 16px 10px 16px;
    border-bottom: none;
    background: #f4f8fb;
    text-align: left;
  }
  .course-header h3 {
    font-size: 1.15rem;
    margin-bottom: 10px;
    color: #2563eb;
    font-weight: 700;
    letter-spacing: 0.01em;
  }
  .course-levels {
    gap: 6px;
    flex-wrap: wrap;
    justify-content: flex-start;
  }
  .level-tag {
    font-size: 0.85rem;
    padding: 4px 10px;
    border-radius: 5px;
    background: #eaf1fa;
    color: #2563eb;
    font-weight: 600;
    margin-bottom: 2px;
  }
  .course-content {
    padding: 14px 16px 0 16px;
  }
  .course-content p {
    font-size: 0.98rem;
    margin-bottom: 10px;
    color: #34495e;
  }
  .course-features {
    margin: 10px 0 0 0;
    padding: 0;
  }
  .course-features li {
    font-size: 0.97rem;
    padding: 6px 0 6px 22px;
    color: #2c3e50;
    position: relative;
    line-height: 1.5;
  }
  .course-features li::before {
    left: 0;
    font-size: 1.1rem;
    opacity: 0.7;
  }
  .course-footer {
    padding: 0 16px 16px 16px;
    margin-top: 0;
  }
  .course-card .btn {
    padding: 12px 0;
    font-size: 1rem;
    border-radius: 8px;
    width: 100%;
    margin-top: 10px;
    letter-spacing: 0.5px;
  }
}