/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header styles */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
    margin-bottom: 40px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    color: white;
}

.logo i {
    font-size: 2rem;
    color: #ffd700;
}

.logo h1 {
    font-size: 1.8rem;
    font-weight: 700;
    margin: 0;
}

.language-toggle {
    display: flex;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 25px;
    padding: 4px;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.lang-btn {
    background: none;
    border: none;
    color: white;
    padding: 8px 16px;
    border-radius: 20px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s ease;
}

.lang-btn.active {
    background: rgba(255, 255, 255, 0.2);
    color: white;
}

.lang-btn:hover:not(.active) {
    background: rgba(255, 255, 255, 0.1);
}

/* Main content styles */
.main-content {
    background: white;
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    margin-bottom: 40px;
}

.hero-section {
    text-align: center;
    margin-bottom: 50px;
}

.hero-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: #2d3748;
    margin-bottom: 16px;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: #718096;
    max-width: 600px;
    margin: 0 auto;
}

/* Step sections */
.step-section {
    display: flex;
    gap: 24px;
    margin-bottom: 40px;
    align-items: flex-start;
}

.step-number {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.step-content {
    flex: 1;
}

.step-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: #2d3748;
    margin-bottom: 20px;
}

/* Download grid */
.download-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.download-card {
    background: #f7fafc;
    border: 2px solid #e2e8f0;
    border-radius: 12px;
    padding: 24px;
    text-align: center;
    transition: all 0.3s ease;
}

.download-card:hover {
    border-color: #667eea;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.15);
}

.download-card i {
    font-size: 2.5rem;
    color: #667eea;
    margin-bottom: 12px;
    display: block;
}

.download-card span {
    display: block;
    font-weight: 600;
    color: #2d3748;
    margin-bottom: 16px;
}

.download-btn {
    background: #d3d3d3;
    color: #333;
    border: none;
    padding: 12px 24px;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 0 auto;
    transition: all 0.3s ease;
    text-decoration: none;
    font-family: inherit;
    font-size: inherit;
}

.download-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 15px rgba(211, 211, 211, 0.4);
    background: #c0c0c0;
    text-decoration: none;
    color: #333;
}

.download-btn:visited {
    color: #333;
    text-decoration: none;
}

.download-btn:active {
    animation: pulse 0.3s ease;
}

/* Instructions list */
.instructions-list {
    margin-top: 20px;
}

.instruction-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 12px;
    padding: 12px;
    background: #f7fafc;
    border-radius: 8px;
}

.instruction-letter {
    background: #667eea;
    color: white;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.9rem;
    flex-shrink: 0;
}

/* Security section */
.security-section {
    background: linear-gradient(135deg, #ffebee 0%, #ffcdd2 100%);
    color: #d32f2f;
    padding: 30px;
    border-radius: 16px;
    margin: 40px 0;
    border: 2px solid #ef9a9a;
}

.security-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 24px;
    text-align: center;
}

.security-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.security-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px;
    background: rgba(255, 255, 255, 0.7);
    border-radius: 8px;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(239, 154, 154, 0.3);
}

.security-item i {
    font-size: 1.2rem;
    color: #d32f2f;
    flex-shrink: 0;
}

/* Help section */
.help-section {
    background: #f7fafc;
    padding: 30px;
    border-radius: 16px;
    margin: 40px 0;
}

.help-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: #2d3748;
    margin-bottom: 24px;
    text-align: center;
}

.contact-info {
    display: grid;
    gap: 16px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px;
    background: white;
    border-radius: 8px;
    border-left: 4px solid #667eea;
}

.contact-item i {
    color: #667eea;
    font-size: 1.1rem;
    flex-shrink: 0;
}

.contact-item a {
    color: #667eea;
    text-decoration: none;
    font-weight: 500;
}

.contact-item a:hover {
    text-decoration: underline;
}

/* Legal section */
.legal-section {
    text-align: center;
    margin-top: 40px;
    padding-top: 30px;
    border-top: 2px solid #e2e8f0;
}

.legal-text {
    color: #718096;
    margin-bottom: 20px;
}

.legal-links {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.legal-link {
    color: #667eea;
    text-decoration: none;
    font-weight: 500;
    padding: 8px 16px;
    border: 2px solid #667eea;
    border-radius: 20px;
    transition: all 0.3s ease;
}

.legal-link:hover {
    background: #667eea;
    color: white;
}

/* Footer */
.footer {
    text-align: center;
    color: white;
    padding: 20px 0;
    opacity: 0.8;
}

/* Responsive design */
@media (max-width: 768px) {
    .header {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
    
    .main-content {
        padding: 20px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .step-section {
        flex-direction: column;
        text-align: center;
    }
    
    .download-grid {
        grid-template-columns: 1fr;
    }
    
    .security-grid {
        grid-template-columns: 1fr;
    }
    
    .legal-links {
        flex-direction: column;
        align-items: center;
    }
    
    .contact-item {
        flex-direction: column;
        text-align: center;
        gap: 8px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .main-content {
        padding: 15px;
    }
    
    .hero-title {
        font-size: 1.8rem;
    }
    
    .step-title {
        font-size: 1.3rem;
    }
}

/* Animation for download buttons */
@keyframes pulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
    100% {
        transform: scale(1);
    }
}

/* Smooth transitions for language switching */
[data-en], [data-fr] {
    transition: opacity 0.3s ease;
}

/* Loading state for downloads */
.download-btn.loading {
    opacity: 0.7;
    cursor: not-allowed;
}

.download-btn.loading i {
    animation: spin 1s linear infinite;
}

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