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

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 0;
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: #0078e2;
}

.nav-logo i {
    margin-right: 0.5rem;
    font-size: 2rem;
}

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

.nav-link {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: #6366f1;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(45deg, #6366f1, #8b5cf6);
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

/* Authentication Buttons */
.nav-auth {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.btn-login {
    background: transparent;
    color: #6366f1;
    border: 2px solid #6366f1;
    padding: 0.5rem 1.5rem;
    font-size: 0.9rem;
}

.btn-login:hover {
    background: #6366f1;
    color: white;
    transform: translateY(-2px);
}

.btn-register {
    background: linear-gradient(45deg, #6366f1, #8b5cf6);
    color: white;
    border: none;
    padding: 0.5rem 1.5rem;
    font-size: 0.9rem;
}

.btn-register:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(99, 102, 241, 0.3);
}

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

.hamburger span {
    width: 25px;
    height: 3px;
    background: #333;
    margin: 3px 0;
    transition: 0.3s;
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 10000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
    animation: fadeIn 0.3s ease;
    justify-content: center;
    align-items: center;
}

.modal-content {
    background-color: white;
    margin: 5% auto;
    padding: 0;
    border-radius: 20px;
    width: 90%;
    max-width: 500px;
    max-height: 90vh;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: slideIn 0.3s ease;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.modal-header {
    background: linear-gradient(45deg, #6366f1, #8b5cf6);
    color: white;
    padding: 1.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h2 {
    font-size: 1.5rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.close {
    color: white;
    font-size: 2rem;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
}

.close:hover {
    transform: scale(1.1);
}

/* Auth Form Styles */
.auth-form {
    padding: 2rem;
    overflow-y: auto;
    flex: 1;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: #374151;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 1rem;
    border: 2px solid #e5e7eb;
    border-radius: 10px;
    font-size: 1rem;
    transition: all 0.3s ease;
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: #6366f1;
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

/* Password Input */
.password-input {
    position: relative;
}

.password-toggle {
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: #6b7280;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.password-toggle:hover {
    background: #f3f4f6;
    color: #374151;
}

/* Checkbox Styles */
.checkbox-group {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    cursor: pointer;
    font-size: 0.9rem;
    color: #6b7280;
    line-height: 1.4;
}

.checkbox-label input[type="checkbox"] {
    display: none;
}

.checkmark {
    width: 18px;
    height: 18px;
    border: 2px solid #d1d5db;
    border-radius: 4px;
    position: relative;
    flex-shrink: 0;
    margin-top: 0.1rem;
    transition: all 0.3s ease;
}

.checkbox-label input[type="checkbox"]:checked + .checkmark {
    background: #6366f1;
    border-color: #6366f1;
}

.checkbox-label input[type="checkbox"]:checked + .checkmark::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 0.8rem;
    font-weight: bold;
}

/* Form Footer */
.form-footer {
    text-align: center;
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid #e5e7eb;
}

.form-footer a {
    color: #6366f1;
    text-decoration: none;
    font-weight: 500;
}

.form-footer a:hover {
    text-decoration: underline;
}

.form-description {
    color: #6b7280;
    margin-bottom: 1.5rem;
    text-align: center;
    line-height: 1.6;
}

.btn-full {
    width: 100%;
    margin-top: 1rem;
}

/* Program Info Card */
.program-info-card {
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    border: 2px solid #e2e8f0;
    border-radius: 15px;
    padding: 1.5rem;
    margin-top: 1rem;
}

.program-info-card h4 {
    color: #1e293b;
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    text-align: center;
}

.program-details {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.detail-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem;
    background: white;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.detail-item i {
    color: #6366f1;
    font-size: 1rem;
    width: 20px;
    text-align: center;
}

.detail-item span {
    font-size: 0.9rem;
    color: #374151;
    font-weight: 500;
}

/* Payment Loading State */
.btn-loading {
    position: relative;
    pointer-events: none;
}

.btn-loading::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    top: 50%;
    left: 50%;
    margin-left: -10px;
    margin-top: -10px;
    border: 2px solid transparent;
    border-top: 2px solid white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Payment Form Styles */
#iyzicoPaymentForm {
    background: white;
    border-radius: 15px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    padding: 2rem;
    min-width: 400px;
    text-align: center;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 10001;
    animation: slideIn 0.3s ease-out;
}

#iyzicoPaymentForm h3 {
    color: #6366f1;
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

#iyzicoPaymentForm input {
    width: 100%;
    padding: 0.75rem;
    margin-bottom: 0.5rem;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

#iyzicoPaymentForm input:focus {
    outline: none;
    border-color: #6366f1;
}

#iyzicoPaymentForm button {
    flex: 1;
    padding: 0.75rem;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

#iyzicoPaymentForm button:first-of-type {
    background: #6b7280;
    color: white;
}

#iyzicoPaymentForm button:first-of-type:hover {
    background: #4b5563;
}

#iyzicoPaymentForm button:last-of-type {
    background: #10b981;
    color: white;
}

#iyzicoPaymentForm button:last-of-type:hover {
    background: #059669;
}

.payment-info {
    margin-bottom: 1rem;
    padding: 1rem;
    background: #f8fafc;
    border-radius: 8px;
    border-left: 4px solid #6366f1;
}

.payment-info p {
    margin: 0.25rem 0;
    font-weight: 500;
}

.payment-info strong {
    color: #6366f1;
}

/* Modal Animations */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideIn {
    from {
        transform: translateY(-50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* Responsive Design for Auth */
@media (max-width: 768px) {
    .nav-auth {
        display: none;
    }
    
    .modal-content {
        margin: 5% auto;
        width: 95%;
        max-width: none;
        max-height: 95vh;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .auth-form {
        padding: 1.5rem;
    }
    
    .program-details {
        grid-template-columns: 1fr;
    }
    
    .detail-item {
        padding: 0.5rem;
    }
    
    .detail-item span {
        font-size: 0.8rem;
    }
}

/* User Menu Styles */
.user-menu {
    position: relative;
}

.btn-user {
    background: linear-gradient(45deg, #6366f1, #8b5cf6);
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-user:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(99, 102, 241, 0.3);
}

.user-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    background: white;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    min-width: 200px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 1000;
    margin-top: 0.5rem;
}

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

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    color: #374151;
    text-decoration: none;
    transition: all 0.3s ease;
    border-bottom: 1px solid #f3f4f6;
}

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

.dropdown-item:hover {
    background: #f9fafb;
    color: #6366f1;
}

.dropdown-item i {
    width: 16px;
    text-align: center;
}

.dropdown-divider {
    height: 1px;
    background: #e5e7eb;
    margin: 0.5rem 0;
}

/* Mobile responsive for user menu */
@media (max-width: 768px) {
    .user-dropdown {
        right: -50px;
        min-width: 180px;
    }
}

/* Mobile Authentication */
.mobile-auth {
    display: none;
    flex-direction: column;
    gap: 1rem;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid #e5e7eb;
}

@media (max-width: 768px) {
    .mobile-auth {
        display: flex;
    }
    
    .mobile-auth .btn {
        width: 100%;
        justify-content: center;
    }
    
    .mobile-auth a.btn {
        text-decoration: none;
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 0.5rem;
    }
    
    .mobile-user-info {
        display: flex;
        align-items: center;
        gap: 0.5rem;
        padding: 1rem;
        background: linear-gradient(45deg, #6366f1, #8b5cf6);
        color: white;
        border-radius: 10px;
        margin-bottom: 1rem;
    }
    
    .mobile-user-info i {
        font-size: 1.5rem;
    }
}

/* Hero Section */
.hero {
    min-height: 100vh;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    position: relative;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-content {
    color: white;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.gradient-text {
    background: linear-gradient(45deg, #ff6b6b, #feca57, #48dbfb, #ff9ff3);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientShift 3s ease-in-out infinite;
}

@keyframes gradientShift {
    0%, 100% { filter: hue-rotate(0deg); }
    50% { filter: hue-rotate(180deg); }
}

.hero-subtitle {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.highlight {
    background: linear-gradient(45deg, #ff6b6b, #feca57);
    padding: 0.2rem 0.5rem;
    border-radius: 20px;
    font-weight: 600;
}

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

.btn {
    padding: 1rem 2rem;
    border: none;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(45deg, #ff6b6b, #feca57);
    color: white;
    box-shadow: 0 10px 30px rgba(255, 107, 107, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(255, 107, 107, 0.4);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-3px);
}

/* Floating Cards */
.hero-visual {
    position: relative;
    height: 400px;
}

.floating-cards {
    position: relative;
    width: 100%;
    height: 100%;
}

.card {
    position: absolute;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 1.5rem;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    animation: float 6s ease-in-out infinite;
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.card i {
    font-size: 2rem;
    color: #6366f1;
}

.card span {
    font-weight: 600;
    color: #333;
    text-align: center;
}

.card-1 {
    top: 20%;
    left: 10%;
    animation-delay: 0s;
    background: linear-gradient(135deg, #ff6b6b, #ff8e8e);
    color: white;
}

.card-1 i, .card-1 span {
    color: white;
}

.card-2 {
    top: 50%;
    right: 10%;
    animation-delay: 2s;
    background: linear-gradient(135deg, #48dbfb, #0abde3);
    color: white;
}

.card-2 i, .card-2 span {
    color: white;
}

.card-3 {
    bottom: 20%;
    left: 30%;
    animation-delay: 4s;
    background: linear-gradient(135deg, #feca57, #ff9ff3);
    color: white;
}

.card-3 i, .card-3 span {
    color: white;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

/* Background Shapes */
.hero-bg-shapes {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 1;
}

.shape {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    animation: rotate 20s linear infinite;
}

.shape-1 {
    width: 200px;
    height: 200px;
    top: 10%;
    right: 10%;
    animation-delay: 0s;
}

.shape-2 {
    width: 150px;
    height: 150px;
    bottom: 20%;
    left: 5%;
    animation-delay: 5s;
}

.shape-3 {
    width: 100px;
    height: 100px;
    top: 60%;
    right: 30%;
    animation-delay: 10s;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Programs Section */
.programs {
    padding: 6rem 0;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: linear-gradient(45deg, #6366f1, #8b5cf6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: 1.2rem;
    color: #64748b;
}

.programs-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    max-width: 800px;
    margin: 0 auto;
}

.program-card {
    background: white;
    border-radius: 20px;
    padding: 2.5rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
    min-height: 500px;
}

.program-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(45deg, #ff6b6b, #feca57, #48dbfb, #ff9ff3);
}

.program-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
}

.program-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    font-size: 2rem;
    color: white;
}

.lgs-card .program-icon {
    background: linear-gradient(45deg, #ff6b6b, #ff8e8e);
}

.yks-card .program-icon {
    background: linear-gradient(45deg, #48dbfb, #0abde3);
}

.lise-card .program-icon {
    background: linear-gradient(45deg, #feca57, #ff9ff3);
}

.kpss-card .program-icon {
    background: linear-gradient(45deg, #a55eea, #8b5cf6);
}

.program-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: #1e293b;
}

.program-subtitle {
    font-size: 1rem;
    color: #6366f1;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.program-features {
    list-style: none;
}

.program-features li {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    margin-bottom: 0.8rem;
    font-size: 0.95rem;
    color: #64748b;
}

.program-features i {
    color: #10b981;
    margin-top: 0.2rem;
    flex-shrink: 0;
}

/* Advantages Section */
.advantages {
    padding: 6rem 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.advantages .section-title {
    background: linear-gradient(45deg, #ffffff, #f1f5f9);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.advantages .section-subtitle {
    color: rgba(255, 255, 255, 0.8);
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.advantage-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 2rem;
    text-align: center;
    border: 2px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.advantage-card:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.2);
}

.advantage-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(45deg, #ff6b6b, #feca57);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
    color: white;
}

.advantage-card h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.advantage-card p {
    opacity: 0.9;
    line-height: 1.6;
}

/* Contact Section */
.contact {
    padding: 6rem 0;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.contact-info h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: linear-gradient(45deg, #6366f1, #8b5cf6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.contact-info p {
    font-size: 1.1rem;
    color: #64748b;
    margin-bottom: 2rem;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-method {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: white;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

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

.contact-method i {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(45deg, #ff6b6b, #feca57);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
}

.contact-method h4 {
    font-weight: 600;
    margin-bottom: 0.2rem;
    color: #1e293b;
}

.contact-method p {
    color: #64748b;
    margin: 0;
}

/* Contact Form */
.contact-form {
    background: white;
    padding: 2rem;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid #e2e8f0;
    border-radius: 10px;
    font-size: 1rem;
    transition: all 0.3s ease;
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #6366f1;
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* Program Schedule Section */
.program-schedule-section {
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    padding: 80px 0;
}

.schedule-tabs {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 50px;
}

.tab-btn {
    background: white;
    border: 2px solid #e2e8f0;
    padding: 15px 30px;
    border-radius: 25px;
    font-size: 1.1rem;
    font-weight: 600;
    color: #4a5568;
    cursor: pointer;
    transition: all 0.3s ease;
}

.tab-btn.active {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-color: #667eea;
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.3);
}

.tab-btn:hover:not(.active) {
    border-color: #667eea;
    color: #667eea;
    transform: translateY(-1px);
}

.schedule-content {
    display: none;
}

.schedule-content.active {
    display: block;
}

.schedule-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

.schedule-card {
    background: white;
    border-radius: 20px;
    padding: 0;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    overflow: hidden;
    position: relative;
}

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

.schedule-card.featured {
    border: 3px solid #667eea;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.05) 0%, rgba(118, 75, 162, 0.05) 100%);
}

.schedule-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 25px 30px;
    position: relative;
}

.schedule-header h3 {
    margin: 0 0 10px 0;
    font-size: 1.3rem;
    font-weight: 600;
}

.price-tag {
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    padding: 8px 16px;
    border-radius: 20px;
    font-weight: 600;
    font-size: 1rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.2rem;
    position: relative;
}

.old-price {
    font-size: 0.75rem;
    text-decoration: line-through;
    opacity: 0.7;
    color: #fca5a5;
    font-weight: 500;
}

.new-price {
    font-size: 1.1rem;
    font-weight: 700;
    color: white;
    position: relative;
}

.price-note {
    font-size: 0.7rem;
    color: rgba(255, 255, 255, 0.8);
    font-weight: 500;
    margin-top: -2px;
}

.price-tag::before {
    content: "İNDİRİM!";
    position: absolute;
    top: -8px;
    right: -10px;
    background: linear-gradient(45deg, #ef4444, #dc2626);
    color: white;
    font-size: 0.6rem;
    padding: 0.2rem 0.4rem;
    border-radius: 8px;
    font-weight: 700;
    animation: discountPulse 2s infinite;
    box-shadow: 0 2px 8px rgba(239, 68, 68, 0.4);
}

@keyframes discountPulse {
    0%, 100% { 
        transform: scale(1);
        box-shadow: 0 2px 8px rgba(239, 68, 68, 0.4);
    }
    50% { 
        transform: scale(1.1);
        box-shadow: 0 4px 12px rgba(239, 68, 68, 0.6);
    }
}

.popular-badge {
    position: absolute;
    top: -10px;
    right: 20px;
    background: #ff6b6b;
    color: white;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    box-shadow: 0 5px 15px rgba(255, 107, 107, 0.3);
    animation: pulse 2s infinite;
}

.schedule-body {
    padding: 30px;
}

.schedule-info {
    margin-bottom: 25px;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
    color: #4a5568;
}

.info-item i {
    color: #667eea;
    font-size: 1.1rem;
    min-width: 20px;
}

.weekly-schedule {
    background: #f8fafc;
    border-radius: 15px;
    padding: 20px;
    margin-bottom: 20px;
}

.day-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
    border-bottom: 1px solid #e2e8f0;
}

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

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

.day-item .hours {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 4px 12px;
    border-radius: 15px;
    font-size: 0.9rem;
    font-weight: 600;
}

.schedule-description {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
    padding: 15px;
    border-radius: 10px;
    color: #4a5568;
    font-size: 0.95rem;
    line-height: 1.5;
    border-left: 4px solid #667eea;
}

.cta-container {
    text-align: center;
    margin-top: 50px;
}

.cta-content {
    background: white;
    padding: 50px;
    border-radius: 25px;
    box-shadow: 0 15px 35px rgba(0,0,0,0.1);
    max-width: 600px;
    margin: 0 auto;
}

.cta-content h3 {
    color: #2d3748;
    font-size: 2rem;
    margin-bottom: 15px;
    font-weight: 700;
}

.cta-content p {
    color: #718096;
    font-size: 1.1rem;
    margin-bottom: 30px;
    line-height: 1.6;
}

.btn-large {
    padding: 18px 40px;
    font-size: 1.2rem;
    border-radius: 30px;
    transition: all 0.3s ease;
}

.btn-large:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(102, 126, 234, 0.3);
}

@media (max-width: 768px) {
    .schedule-tabs {
        flex-direction: column;
        align-items: center;
        gap: 15px;
    }
    
    .tab-btn {
        width: 100%;
        max-width: 300px;
        text-align: center;
    }
    
    .schedule-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .schedule-card {
        margin: 0 10px;
    }
    
    .schedule-header,
    .schedule-body {
        padding: 20px;
    }
    
    .cta-content {
        padding: 30px 20px;
        margin: 0 20px;
    }
    
    .cta-content h3 {
        font-size: 1.5rem;
    }
    
    .popular-badge {
        position: static;
        display: inline-block;
        margin-top: 10px;
    }
}

/* Footer */
.footer {
    background: #1e293b;
    color: white;
    padding: 2rem 0;
    text-align: center;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

.footer-main {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    flex: 1;
}

.footer-logo {
    display: flex;
    align-items: center;
    font-size: 1.8rem;
    font-weight: 700;
    color: #0078e2;
    margin-bottom: 0.5rem;
}

.footer-logo span {
    font-size: 1.8rem;
    font-weight: 700;
    color: #0078e2;
}

.footer-logo i {
    margin-right: 0.5rem;
    font-size: 2rem;
}

.footer-main p {
    color: #94a3b8;
    font-size: 0.9rem;
    margin: 0;
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 0.5rem;
}

.social-links a {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: linear-gradient(45deg, #ff6b6b, #feca57);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 1.2rem;
}

.social-links a:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(255, 107, 107, 0.3);
}

.social-links a[href*="instagram"]:hover {
    background: linear-gradient(45deg, #e1306c, #fd1d1d, #fcb045);
    box-shadow: 0 10px 20px rgba(225, 48, 108, 0.4);
}

.social-links a[href*="youtube"]:hover {
    background: linear-gradient(45deg, #ff0000, #ff4444);
    box-shadow: 0 10px 20px rgba(255, 0, 0, 0.4);
}

.footer-legal {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
    flex: 0 0 auto;
}

.footer-legal h4 {
    color: #0078e2;
    font-size: 1.1rem;
    font-weight: 600;
    margin: 0 0 0.5rem 0;
}

.legal-links {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.legal-links a {
    color: #94a3b8;
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s ease;
    padding: 0.25rem 0;
}

.legal-links a:hover {
    color: #0078e2;
}

/* Footer Payment Logos */
.payment-logos-footer {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid #374151;
    display: flex;
    justify-content: center;
    align-items: center;
}

.payment-band-logo {
    height: 32px;
    width: auto;
    max-width: 100%;
    filter: brightness(0.9);
    transition: filter 0.3s ease;
}

.payment-band-logo:hover {
    filter: brightness(1);
}

/* Special Program Section for Graduates */
.special-program-section {
    margin-top: 3rem;
    padding: 2rem 0;
}

.special-program-card {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 20px;
    padding: 2.5rem;
    color: white;
    box-shadow: 0 20px 40px rgba(102, 126, 234, 0.3);
    position: relative;
    overflow: hidden;
}

.special-program-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="white" opacity="0.1"/><circle cx="75" cy="75" r="1" fill="white" opacity="0.1"/><circle cx="50" cy="10" r="0.5" fill="white" opacity="0.1"/><circle cx="10" cy="60" r="0.5" fill="white" opacity="0.1"/><circle cx="90" cy="40" r="0.5" fill="white" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    pointer-events: none;
}

.special-program-header {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-bottom: 2rem;
    position: relative;
    z-index: 1;
}

.special-program-icon {
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.special-program-title h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 0 0.5rem 0;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.special-program-subtitle {
    font-size: 1rem;
    opacity: 0.9;
    margin: 0;
    font-weight: 400;
}

.special-program-content {
    position: relative;
    z-index: 1;
}

.special-program-info {
    margin-bottom: 2rem;
}

.info-highlight {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
    background: rgba(255, 255, 255, 0.1);
    padding: 1rem;
    border-radius: 12px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.info-highlight i {
    font-size: 1.2rem;
    color: #ffd700;
}

.info-highlight span {
    font-weight: 600;
    font-size: 1.1rem;
}

.special-program-info p {
    font-size: 1rem;
    line-height: 1.6;
    margin: 0;
    opacity: 0.95;
}

.program-options {
    margin-bottom: 2rem;
}

.program-options h4 {
    font-size: 1.2rem;
    font-weight: 600;
    margin: 0 0 1rem 0;
    color: #ffd700;
}

.options-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
}

.option-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: rgba(255, 255, 255, 0.1);
    padding: 1rem;
    border-radius: 10px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.option-item:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.option-item i {
    font-size: 1.1rem;
    color: #ffd700;
    width: 20px;
    text-align: center;
}

.option-item span {
    font-weight: 500;
    font-size: 0.95rem;
}

.program-note {
    display: flex;
    gap: 1rem;
    background: rgba(255, 255, 255, 0.1);
    padding: 1.5rem;
    border-radius: 15px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.note-icon {
    flex-shrink: 0;
    background: rgba(255, 215, 0, 0.2);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    color: #ffd700;
}

.note-content p {
    margin: 0 0 1rem 0;
    line-height: 1.6;
    font-size: 0.95rem;
}

.note-content p:last-child {
    margin-bottom: 0;
}

.highlight-text {
    background: rgba(255, 215, 0, 0.1);
    padding: 1rem;
    border-radius: 8px;
    border-left: 4px solid #ffd700;
    margin-top: 1rem;
}

/* Responsive Design for Special Program */
@media (max-width: 768px) {
    .special-program-card {
        padding: 1.5rem;
        margin: 1rem 0;
    }
    
    .special-program-header {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }
    
    .special-program-icon {
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
    }
    
    .special-program-title h3 {
        font-size: 1.3rem;
    }
    
    .options-grid {
        grid-template-columns: 1fr;
    }
    
    .program-note {
        flex-direction: column;
        text-align: center;
    }
    
    .note-icon {
        align-self: center;
    }
}

/* Modern Payment Animations */
@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.btn-loading {
    position: relative;
    pointer-events: none;
}

.btn-success {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(16, 185, 129, 0.3) !important;
}

/* Modern Button Animations */
.btn {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn:hover {
    transform: translateY(-2px);
}

.btn:active {
    transform: translateY(0);
}

/* Modern Toast Notifications */
.notification {
    backdrop-filter: blur(10px);
    border-left: 4px solid currentColor;
}

.notification.success {
    background: rgba(16, 185, 129, 0.1);
    color: #065f46;
    border-color: #10b981;
}

.notification.error {
    background: rgba(239, 68, 68, 0.1);
    color: #991b1b;
    border-color: #ef4444;
}

/* Loading Spinner */
.loading-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid #f3f3f3;
    border-top: 3px solid #667eea;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 10px;
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        display: none;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .programs-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
        max-width: 100%;
    }
    
    .advantages-grid {
        grid-template-columns: 1fr;
    }
    
    .floating-cards {
        display: none;
    }
    
    /* Footer Responsive */
    .footer-content {
        flex-direction: column;
        align-items: center;
        text-align: center;
        gap: 1.5rem;
    }
    
    .footer-main {
        order: 1;
    }
    
    .footer-legal {
        order: 2;
        align-items: center;
    }
    
    .legal-links {
        align-items: center;
    }
    
    .footer-logo {
        font-size: 1.6rem;
    }
    
    .footer-logo span {
        font-size: 1.6rem;
    }
    
    .social-links a {
        width: 40px;
        height: 40px;
        font-size: 1.1rem;
    }
    
    .payment-logos-footer {
        margin-top: 0.8rem;
        padding-top: 0.8rem;
    }
    
    .payment-band-logo {
        height: 28px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .btn {
        padding: 0.8rem 1.5rem;
        font-size: 0.9rem;
    }
    
    .programs-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
        max-width: 100%;
    }
    
    /* Mobile Modal Improvements */
    .modal-content {
        width: 95%;
        margin: 2% auto;
        max-height: 95vh;
    }
    
    .modal-header {
        padding: 1rem 1.5rem;
    }
    
    .modal-header h2 {
        font-size: 1.2rem;
    }
    
    .auth-form {
        padding: 1.5rem;
    }
    
    .form-group label {
        font-size: 0.9rem;
    }
    
    .form-group input,
    .form-group select {
        font-size: 0.9rem;
        padding: 0.8rem;
    }
    
    /* Mobile Program Details */
    .detail-item {
        padding: 0.6rem;
    }
    
    .detail-item span {
        font-size: 0.8rem;
    }
    
    /* Mobile Form Row */
    .form-row {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    /* Mobile Program Info Card */
    .program-details {
        grid-template-columns: 1fr;
        gap: 0.8rem;
    }
}

/* Teachers Modal Styles */
.teachers-modal {
    max-width: 1200px;
    width: 95%;
    max-height: 90vh;
    margin: 0;
}

.teachers-content {
    padding: 3rem 2rem;
    overflow-y: auto;
    max-height: 80vh;
}

.teachers-intro {
    text-align: center;
    margin-bottom: 3rem;
}

.teachers-intro p {
    font-size: 1.1rem;
    color: #6b7280;
    line-height: 1.7;
    max-width: 800px;
    margin: 0 auto;
}

.teachers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.teacher-card {
    background: white;
    border-radius: 20px;
    padding: 1.5rem;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(0, 0, 0, 0.05);
    min-height: 140px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.teacher-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
}

.teacher-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
}

.teacher-name {
    font-size: 1.3rem;
    font-weight: 700;
    color: #1e293b;
    margin-bottom: 0.5rem;
    margin-top: 0.5rem;
    text-align: center;
}

.teacher-branch {
    display: inline-block;
    background: linear-gradient(135deg, #f8fafc, #e2e8f0);
    color: #475569;
    padding: 0.5rem 1rem;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 600;
    margin: 0 auto;
    text-align: center;
    border: 1px solid #e2e8f0;
    width: fit-content;
    display: block;
}

.teacher-experience {
    margin-top: 1rem;
    text-align: center;
}

.experience-badge {
    background: linear-gradient(135deg, #10b981, #059669);
    color: white;
    padding: 0.4rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-teachers {
    background: linear-gradient(135deg, #8b5cf6, #7c3aed);
    color: white;
    border: none;
    transition: all 0.3s ease;
}

.btn-teachers:hover {
    background: linear-gradient(135deg, #7c3aed, #6d28d9);
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(139, 92, 246, 0.3);
} 

@media (max-width: 768px) {
    .hero-container {
      grid-template-columns: 1fr; /* 2 sütun yerine tek sütun */
      gap: 2rem;
      padding-top: 6rem; /* Navbar'ın üzerine binmesin */
      text-align: center;
    }
  
    .hero-title {
      font-size: 2rem; /* Küçük ekran için daha küçük başlık */
    }
  
    .hero-subtitle {
      font-size: 1rem;
    }
  
    .hero-visual {
      display: none; /* Görsel kısmı kaldırarak alan açabilirsin */
    }
  
    .hero-buttons {
      justify-content: center;
    }
  }

  /* Mobilde nav-menu gizli olsun */
@media (max-width: 768px) {
    /* Mobile Program Details Section */
    .program-details-section {
        padding: 40px 0;
    }
    
    .program-tabs {
        flex-direction: column;
        gap: 10px;
        margin-bottom: 30px;
    }
    
    .program-tab {
        padding: 12px 20px;
        font-size: 0.9rem;
        flex: 1;
        text-align: center;
    }
    
    .program-content {
        padding: 0 15px;
    }
    
    .program-cards {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .program-card {
        padding: 25px 20px;
    }
    
    .program-card h3 {
        font-size: 1.1rem;
        margin-bottom: 15px;
    }
    
    .schedule-info {
        gap: 15px;
        margin-bottom: 20px;
    }
    
    .schedule-item {
        padding: 12px;
        font-size: 0.85rem;
    }
    
    .program-description {
        font-size: 0.9rem;
        line-height: 1.5;
    }
    
    .program-cta {
        padding: 15px 25px;
        font-size: 0.9rem;
    }
    
    /* Mobile Teachers Modal */
    .teachers-modal {
        width: 98%;
        max-height: 95vh;
    }
    
    .teachers-content {
        padding: 2rem 1.5rem;
        max-height: 85vh;
    }
    
    .teachers-intro p {
        font-size: 1rem;
    }
    
    .teachers-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .teacher-card {
        padding: 1.2rem;
        min-height: 120px;
    }
    
    .teacher-name {
        font-size: 1.1rem;
        margin-top: 0.3rem;
    }
    
    .teacher-branch {
        font-size: 0.8rem;
        padding: 0.4rem 0.8rem;
    }
    
    /* Mobile Navigation Menu */
    .nav-menu {
        position: fixed;
        top: 60px; /* navbar altı */
        right: 0;
        width: 250px;
        height: calc(100vh - 60px);
        background: rgba(255, 255, 255, 0.95);
        backdrop-filter: blur(10px);
        display: none;
        flex-direction: column;
        padding: 2rem 1rem;
        gap: 1.5rem;
        box-shadow: -4px 0 15px rgba(0,0,0,0.1);
        z-index: 9999;
        transition: all 0.3s ease;
    }

    .nav-menu.active {
        display: flex;
    }

    .hamburger {
        display: flex;
    }

    .hamburger span {
        display: block;
        width: 30px;
        height: 3px;
        margin: 5px 0;
        background-color: #333;
        border-radius: 2px;
        transition: all 0.4s ease;
        transform-origin: center center;
        position: relative;
    }

    /* Hamburger açıkken animasyon */
    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg);
        background-color: #ff6b6b;
        top: 40px;   
        position: absolute;
    }
    
    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg);
        background-color: #ff6b6b;
        top: 40px;
        position: absolute;
    }
    
    
}

.nav-logo-img {
    height: 65px; /* İstersen değiştir */
    width: auto;
    object-fit: contain;
}

.nav-logo span {
    margin-left: -12px;
    margin-bottom: 6px;
    font-weight: 700;
}

/* Dashboard Zoom Button Styles */
.join-btn {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
}

.join-btn.active {
    background: linear-gradient(135deg, #667eea, #764ba2);
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.join-btn.active:hover {
    background: linear-gradient(135deg, #5a67d8, #6b46c1);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}

.join-btn.disabled {
    background: #e5e7eb;
    color: #6b7280;
    cursor: not-allowed;
    box-shadow: none;
}

.join-btn.disabled:hover {
    background: #e5e7eb;
    transform: none;
    box-shadow: none;
}

.join-btn i {
    font-size: 1rem;
}

/* Zoom Button Animation */
@keyframes zoomPulse {
    0% {
        box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
    }
    50% {
        box-shadow: 0 4px 20px rgba(102, 126, 234, 0.5);
    }
    100% {
        box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
    }
}

.join-btn.active {
    animation: zoomPulse 2s infinite;
}

/* Countdown Timer for Zoom Activation */
.zoom-countdown {
    font-size: 0.8rem;
    color: #6b7280;
    margin-top: 5px;
    text-align: center;
}

.zoom-countdown.active {
    color: #10b981;
    font-weight: 500;
}

/* Program Badge Styles */
.program-badge {
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.lgs-badge {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
}

.yks-badge {
    background: linear-gradient(135deg, #10b981, #059669);
    color: white;
}

.no-program-badge {
    background: #e5e7eb;
    color: #6b7280;
}

.new-user-badge {
    background: #fef3c7;
    color: #92400e;
}

.user-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.user-header h4 {
    margin: 0;
    flex: 1;
}

/* Öğrenci Yönetimi Modal Styles */
.students-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.student-card {
    background: white;
    border: 1px solid #e5e7eb;
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.student-card:hover {
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
    transform: translateY(-2px);
}

.student-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 1px solid #f3f4f6;
}

.student-header h4 {
    margin: 0;
    color: #1f2937;
    font-size: 1.1rem;
    font-weight: 600;
}

.student-info p {
    margin: 8px 0;
    color: #4b5563;
    font-size: 0.9rem;
}

.student-info p strong {
    color: #1f2937;
    font-weight: 500;
}

.no-students {
    text-align: center;
    padding: 40px;
    color: #6b7280;
    background: #f9fafb;
    border-radius: 8px;
    border: 2px dashed #d1d5db;
}

.no-students p {
    margin: 0;
    font-size: 1.1rem;
}

.class-info-section {
    margin-bottom: 30px;
    padding: 20px;
    background: #f9fafb;
    border-radius: 8px;
    border-left: 4px solid #667eea;
}

.class-info-section h3 {
    margin: 0 0 15px 0;
    color: #1f2937;
    font-size: 1.2rem;
}

.class-info-section p {
    margin: 8px 0;
    color: #4b5563;
}

.students-section h3 {
    margin: 0 0 20px 0;
    color: #1f2937;
    font-size: 1.3rem;
    padding-bottom: 10px;
    border-bottom: 2px solid #e5e7eb;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 0.8rem;
    border-radius: 6px;
}

.btn-danger {
    background: #ef4444;
    color: white;
    border: none;
}

.btn-danger:hover {
    background: #dc2626;
}

/* About Section Styles (Main Page) */
.about-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.about-card {
    background: white;
    border-radius: 20px;
    padding: 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 1px solid #e5e7eb;
}

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

.about-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.about-icon i {
    font-size: 1.8rem;
    color: white;
}

.about-card h3 {
    color: #1f2937;
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 15px;
}

.about-card p {
    color: #4b5563;
    font-size: 1rem;
    line-height: 1.7;
    margin-bottom: 15px;
}

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

.about-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.about-list li {
    color: #4b5563;
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 8px;
    padding-left: 20px;
    position: relative;
}

.about-list li:before {
    content: '✓';
    position: absolute;
    left: 0;
    top: 0;
    color: #10b981;
    font-weight: bold;
    font-size: 1rem;
}

.about-list li:last-child {
    margin-bottom: 0;
}

.about-list li strong {
    color: #1f2937;
    font-weight: 600;
}

.about-conclusion {
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    border-radius: 20px;
    padding: 30px;
    margin-top: 40px;
    text-align: center;
    border-left: 4px solid #667eea;
}

.about-conclusion p {
    font-size: 1.1rem;
    font-weight: 500;
    color: #1e40af;
    font-style: italic;
    margin: 0;
}

/* About Page Styles (Separate Page) */
.about-page-section {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    min-height: 100vh;
}

.about-content {
    max-width: 900px;
    margin: 0 auto;
    background: white;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.about-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 40px;
    text-align: center;
}

.about-header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin: 0;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.about-header h1 i {
    margin-right: 15px;
    font-size: 2.8rem;
}

.about-section-block {
    padding: 30px 40px;
    border-bottom: 1px solid #e5e7eb;
}

.about-section-block:last-child {
    border-bottom: none;
}

.about-section-block h2 {
    color: #1f2937;
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.about-section-block h2 i {
    color: #667eea;
    font-size: 1.8rem;
}

.about-section-block p {
    color: #4b5563;
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 15px;
}

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

.about-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.about-list li {
    color: #4b5563;
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 12px;
    padding-left: 25px;
    position: relative;
}

.about-list li:before {
    content: '✓';
    position: absolute;
    left: 0;
    top: 0;
    color: #10b981;
    font-weight: bold;
    font-size: 1.2rem;
}

.about-list li:last-child {
    margin-bottom: 0;
}

.about-list li strong {
    color: #1f2937;
    font-weight: 600;
}

.about-conclusion {
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    border-left: 4px solid #667eea;
}

.about-conclusion p {
    font-size: 1.2rem;
    font-weight: 500;
    color: #1e40af;
    text-align: center;
    font-style: italic;
}

.about-cta {
    padding: 40px;
    text-align: center;
    background: #f8fafc;
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.about-cta .btn {
    padding: 15px 30px;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 12px;
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.about-cta .btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
}

.about-cta .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(102, 126, 234, 0.3);
}

.about-cta .btn-secondary {
    background: white;
    color: #667eea;
    border: 2px solid #667eea;
}

.about-cta .btn-secondary:hover {
    background: #667eea;
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(102, 126, 234, 0.2);
}

/* Responsive Design for About Section */
@media (max-width: 768px) {
    .about-section {
        padding: 60px 0;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
        gap: 20px;
        margin-top: 30px;
    }
    
    .about-card {
        padding: 25px;
    }
    
    .about-icon {
        width: 50px;
        height: 50px;
    }
    
    .about-icon i {
        font-size: 1.5rem;
    }
    
    .about-card h3 {
        font-size: 1.2rem;
    }
    
    .about-card p {
        font-size: 0.95rem;
    }
    
    .about-list li {
        font-size: 0.9rem;
        padding-left: 18px;
    }
    
    .about-conclusion {
        padding: 25px;
        margin-top: 30px;
    }
    
    .about-conclusion p {
        font-size: 1rem;
    }
}

/* Responsive Design for About Page */
@media (max-width: 768px) {
    .about-page-section {
        padding: 100px 0 60px;
    }
    
    .about-content {
        margin: 0 20px;
        border-radius: 15px;
    }
    
    .about-header {
        padding: 30px 20px;
    }
    
    .about-header h1 {
        font-size: 2rem;
    }
    
    .about-header h1 i {
        font-size: 2.2rem;
    }
    
    .about-section-block {
        padding: 25px 20px;
    }
    
    .about-section-block h2 {
        font-size: 1.3rem;
    }
    
    .about-section-block h2 i {
        font-size: 1.5rem;
    }
    
    .about-section-block p {
        font-size: 1rem;
    }
    
    .about-list li {
        font-size: 1rem;
        padding-left: 20px;
    }
    
    .about-conclusion p {
        font-size: 1.1rem;
    }
    
    .about-cta {
        padding: 30px 20px;
        flex-direction: column;
        align-items: center;
    }
    
    .about-cta .btn {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .about-header h1 {
        font-size: 1.8rem;
    }
    
    .about-header h1 i {
        font-size: 2rem;
    }
    
    .about-section-block h2 {
        font-size: 1.2rem;
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }
    
    .about-cta .btn {
        padding: 12px 25px;
        font-size: 1rem;
    }
}

/* Legal Modal Styles */
.legal-modal {
    max-width: 800px;
    max-height: 90vh;
    overflow-y: auto;
}

.legal-modal .modal-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 25px 30px;
    border-radius: 15px 15px 0 0;
    position: sticky;
    top: 0;
    z-index: 10;
}

.legal-modal .modal-header h2 {
    margin: 0;
    font-size: 1.5rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 12px;
}

.legal-modal .modal-header h2 i {
    font-size: 1.8rem;
}

.legal-modal .legal-content {
    padding: 0;
    background: white;
    border-radius: 0 0 15px 15px;
}

.legal-modal .legal-section-block {
    padding: 25px 30px;
    border-bottom: 1px solid #e5e7eb;
}

.legal-modal .legal-section-block:last-child {
    border-bottom: none;
}

.legal-modal .legal-section-block h3 {
    color: #1f2937;
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.legal-modal .legal-section-block h3 i {
    color: #667eea;
    font-size: 1.4rem;
}

.legal-modal .legal-section-block h4 {
    color: #1f2937;
    font-size: 1.1rem;
    font-weight: 600;
    margin: 15px 0 10px 0;
}

.legal-modal .legal-section-block p {
    color: #4b5563;
    font-size: 1rem;
    line-height: 1.6;
    margin-bottom: 12px;
}

.legal-modal .legal-section-block p:last-child {
    margin-bottom: 0;
}

.legal-modal .legal-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.legal-modal .legal-list li {
    color: #4b5563;
    font-size: 1rem;
    line-height: 1.6;
    margin-bottom: 8px;
    padding-left: 20px;
    position: relative;
}

.legal-modal .legal-list li:before {
    content: '•';
    position: absolute;
    left: 0;
    top: 0;
    color: #667eea;
    font-weight: bold;
    font-size: 1.2rem;
}

.legal-modal .legal-list li:last-child {
    margin-bottom: 0;
}

.legal-modal .legal-list li strong {
    color: #1f2937;
    font-weight: 600;
}

.legal-modal .company-info {
    background: #f8fafc;
    border-radius: 10px;
    padding: 15px;
    margin: 15px 0;
    border-left: 4px solid #667eea;
}

.legal-modal .contact-info {
    background: #f0f9ff;
    border-radius: 10px;
    padding: 15px;
    margin: 12px 0;
}

.legal-modal .contact-info p {
    margin: 6px 0;
    display: flex;
    align-items: center;
    gap: 8px;
}

.legal-modal .contact-info p i {
    color: #667eea;
    width: 16px;
}

/* Responsive Legal Modal */
@media (max-width: 768px) {
    .legal-modal {
        max-width: 95%;
        margin: 20px;
    }
    
    .legal-modal .modal-header {
        padding: 20px;
    }
    
    .legal-modal .modal-header h2 {
        font-size: 1.3rem;
    }
    
    .legal-modal .modal-header h2 i {
        font-size: 1.5rem;
    }
    
    .legal-modal .legal-section-block {
        padding: 20px;
    }
    
    .legal-modal .legal-section-block h3 {
        font-size: 1.1rem;
    }
    
    .legal-modal .legal-section-block h3 i {
        font-size: 1.3rem;
    }
    
    .legal-modal .legal-section-block p {
        font-size: 0.95rem;
    }
    
    .legal-modal .legal-list li {
        font-size: 0.95rem;
        padding-left: 18px;
    }
    
    .legal-modal .company-info,
    .legal-modal .contact-info {
        padding: 12px;
    }
}