/* Global Styles */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

body {
    font-family: 'Inter', sans-serif;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

/* Form Styles */
.radio-option:checked + label {
    background-color: #2c3e50;
    color: #fff;
}

.form-input {
    background: rgba(255, 255, 255, 0.95);
    border: 2px solid #e5e7eb;
    transition: all 0.3s ease;
    position: relative;
}

.form-input:focus {
    border-color: #9ca3af;
    background: white;
    transform: translateY(-1px);
}

.form-label {
    color: #374151;
    font-weight: 600;
    font-size: 0.95rem;
    letter-spacing: 0.025em;
}

/* Radio Button Styles */
.radio-option:checked + label {
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    color: white;
    border-color: #2c3e50;
    transform: scale(1.02);
}

.radio-label {
    background: rgba(255, 255, 255, 0.95);
    border: 2px solid #e5e7eb;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.radio-label:hover {
    border-color: #9ca3af;
    background: white;
    transform: translateY(-1px);
}

.radio-label::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    transition: left 0.5s;
}

.radio-label:hover::before {
    left: 100%;
}

/* Navigation Styles */
.nav-link {
    position: relative;
    transition: color 0.3s ease;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: #2c3e50;
    transition: width 0.3s ease;
}

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

/* Content Styles */
.content-section {
    scroll-margin-top: 80px;
}

.fade-in {
    animation: fadeIn 0.6s ease-in;
}

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

/* Card Styles */
.glass-effect {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.luxury-card {
    background: #ffffff;
    border: 1px solid #e5e7eb;
    position: relative;
}

.luxury-button {
    background: #2c3e50;
    transition: all 0.3s ease;
}

.luxury-button:hover {
    background: #34495e;
}

.supporter-card {
    background: white;
    border: 1px solid #e5e7eb;
    border-radius: 0.75rem;
    padding: 1.5rem;
    transition: all 0.3s ease;
}

.supporter-card:hover {
    transform: translateY(-2px);
    border-color: #d1d5db;
}

/* Image Styles */
.image-frame {
    border: 4px solid #ffffff;
    border: 1px solid #e5e7eb;
}

/* Popup Styles */
.popup-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.popup-content {
    background: white;
    border: 1px solid #e5e7eb;
    border-radius: 1rem;
    padding: 2rem;
    max-width: 400px;
    width: 90%;
    text-align: center;
    animation: popupSlide 0.3s ease-out;
}

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