:root {
    --primary-color: #2c3e50;
    --secondary-color: #3498db;
    --accent-color: #e74c3c;
    --success-color: #27ae60;
    --warning-color: #f39c12;
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-success: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --gradient-info: linear-gradient(135deg, #a8edea 0%, #fed6e3 100%);
    --shadow-soft: 0 10px 30px rgba(0,0,0,0.1);
    --shadow-hover: 0 20px 40px rgba(0,0,0,0.15);
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}



/* Floating particles background */
.particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
}

.particle {
    position: absolute;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(180deg); }
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--gradient-primary);
    min-height: 100vh;
    overflow-x: hidden;
}

/* Enhanced card animations */
.card {
    border: none;
    border-radius: 20px;
    box-shadow: var(--shadow-soft);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.95);
}

.card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: var(--shadow-hover);
}

/* Enhanced button animations */
.btn {
    position: relative;
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border-radius: 15px;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.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: left 0.5s;
}

.btn:hover::before {
    left: 100%;
}

/* Hover card effects */
.hover-card {
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    cursor: pointer;
}

.hover-card:hover {
    transform: translateY(-15px) scale(1.03);
    box-shadow: 0 25px 50px rgba(0,0,0,0.2);
}

.hover-card:hover .icon-wrapper {
    transform: scale(1.1) rotate(5deg);
}

.icon-wrapper {
    transition: all 0.3s ease;
}

/* Enhanced button hover effects */
.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.3);
}

.btn:active {
    transform: translateY(0);
}
    left: 100%;
}

.btn:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 15px 35px rgba(0,0,0,0.2);
}

/* Pulse animation for important elements */
.pulse {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

/* Slide in animations */
.slide-in-left {
    animation: slideInLeft 0.8s ease-out;
}

.slide-in-right {
    animation: slideInRight 0.8s ease-out;
}

.slide-in-up {
    animation: slideInUp 0.8s ease-out;
}

@keyframes slideInLeft {
    from { transform: translateX(-100px); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

@keyframes slideInRight {
    from { transform: translateX(100px); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

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

.navbar {
    background: rgba(44, 62, 80, 0.95) !important;
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0,0,0,0.1);
}

.navbar-brand {
    font-weight: bold;
    color: white !important;
}

.nav-link {
    color: rgba(255,255,255,0.8) !important;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: white !important;
}

.main-container {
    background: white;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
    margin: 20px auto;
    padding: 30px;
    max-width: 1200px;
}

.card {
    border: none;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.btn-primary {
    background: linear-gradient(45deg, var(--secondary-color), #2980b9);
    border: none;
    border-radius: 25px;
    padding: 12px 30px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(52, 152, 219, 0.3);
}

.btn-success {
    background: linear-gradient(45deg, var(--success-color), #229954);
    border: none;
    border-radius: 25px;
    padding: 12px 30px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-success:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(39, 174, 96, 0.3);
}

.btn-info {
    background: linear-gradient(45deg, #17a2b8, #138496);
    border: none;
    border-radius: 25px;
    padding: 12px 30px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-info:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(23, 162, 184, 0.3);
}

.btn-custom {
    transition: all 0.3s ease !important;
    transform: translateY(0);
}

.btn-custom:hover {
    transform: translateY(-3px) !important;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3) !important;
}

/* Ripple effect */
.btn {
    position: relative;
    overflow: hidden;
}

.ripple {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.6);
    transform: scale(0);
    animation: ripple-animation 0.6s linear;
    pointer-events: none;
}

@keyframes ripple-animation {
    to {
        transform: scale(4);
        opacity: 0;
    }
}

/* Modern Modal Styles */
.modal-content {
    border: none;
    border-radius: 20px;
    box-shadow: 0 25px 50px rgba(0,0,0,0.25);
    overflow: hidden;
}

.modal-header {
    border-bottom: none;
    padding: 1.5rem 2rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.modal-title {
    font-weight: 700;
    font-size: 1.4rem;
}

.modal-body {
    padding: 2rem;
    max-height: 70vh;
    overflow-y: auto;
}

.modal-footer {
    border-top: none;
    padding: 1.5rem 2rem;
    background: #f8f9fa;
}

/* Şartlar Content Styling */
.sartlar-content {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.8;
    color: #2c3e50;
}

.sartlar-content h1,
.sartlar-content h2,
.sartlar-content h3,
.sartlar-content h4,
.sartlar-content h5,
.sartlar-content h6 {
    color: #2c3e50;
    font-weight: 700;
    margin-top: 2rem;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid #3498db;
}

.sartlar-content h1 {
    font-size: 2rem;
    color: #2c3e50;
    text-align: center;
    margin-bottom: 2rem;
}

.sartlar-content h2 {
    font-size: 1.5rem;
    color: #34495e;
}

.sartlar-content h3 {
    font-size: 1.3rem;
    color: #3498db;
}

.sartlar-content p {
    margin-bottom: 1rem;
    text-align: justify;
}

.sartlar-content ul,
.sartlar-content ol {
    margin-bottom: 1.5rem;
    padding-left: 2rem;
}

.sartlar-content li {
    margin-bottom: 0.5rem;
    line-height: 1.6;
}

.sartlar-content strong {
    color: #e74c3c;
    font-weight: 700;
}

.sartlar-content em {
    color: #27ae60;
    font-style: italic;
}

/* Scrollbar Styling */
.modal-body::-webkit-scrollbar {
    width: 8px;
}

.modal-body::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 10px;
}

.modal-body::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 10px;
}

.modal-body::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, #5a6fd8 0%, #6a4190 100%);
}

/* Modal Animation */
.modal.fade .modal-dialog {
    transform: scale(0.8);
    transition: transform 0.3s ease-out;
}

.modal.show .modal-dialog {
    transform: scale(1);
}

/* ETB Logo Styles */
.etb-logo {
    display: flex;
    align-items: center;
    gap: 15px;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.etb-logo-icon {
    width: 60px;
    height: 60px;
    background-image: url('/static/logo-jpg.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    border: 2px solid #FFD700;
    transition: all 0.3s ease;
}

.etb-logo-icon:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.etb-logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.etb-logo-title {
    font-size: 18px;
    font-weight: 700;
    color: #2c3e50;
    margin: 0;
}

.etb-logo-subtitle {
    font-size: 12px;
    color: #7f8c8d;
    margin: 0;
}

.etb-logo-small {
    display: flex;
    align-items: center;
    gap: 8px;
}

.etb-logo-small .etb-logo-icon {
    width: 35px;
    height: 35px;
    border-radius: 8px;
    border-width: 1px;
}



.etb-logo-small .etb-logo-title {
    font-size: 14px;
}

.etb-logo-small .etb-logo-subtitle {
    font-size: 10px;
}

.form-control {
    border-radius: 10px;
    border: 2px solid #e9ecef;
    padding: 12px 15px;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-control:focus {
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 0.2rem rgba(52, 152, 219, 0.25);
}

.step-indicator {
    display: flex;
    justify-content: center;
    margin-bottom: 30px;
}

.step {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: #e9ecef;
    color: #6c757d;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    margin: 0 10px;
    position: relative;
}

.step.active {
    background: var(--secondary-color);
    color: white;
}

.step.completed {
    background: var(--success-color);
    color: white;
}

.step::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 100%;
    width: 20px;
    height: 2px;
    background: #e9ecef;
    transform: translateY(-50%);
}

.step:last-child::after {
    display: none;
}

.alert {
    border-radius: 15px;
    border: none;
}

.footer {
    background: rgba(44, 62, 80, 0.9);
    color: white;
    text-align: center;
    padding: 20px 0;
    margin-top: 50px;
}

@media (max-width: 768px) {
    .main-container {
        margin: 10px;
        padding: 20px;
    }

    .step-indicator {
        flex-wrap: wrap;
    }

    .step::after {
        display: none;
    }
}