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

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8fafc;
}

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

/* Header */
.header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 1rem 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo h1 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.logo .location {
    font-size: 0.9rem;
    opacity: 0.9;
    font-weight: 300;
}

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

.nav a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: opacity 0.3s ease;
}

.nav a:hover {
    opacity: 0.8;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 4rem 0;
    text-align: center;
}

.hero-content h2 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero-content p {
    font-size: 1.25rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
}

/* Booking Section */
.booking-section {
    padding: 4rem 0;
    background: white;
}

.booking-section h2 {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: #1a202c;
}

.section-subtitle {
    text-align: center;
    font-size: 1.1rem;
    color: #718096;
    margin-bottom: 3rem;
}

/* Progress Indicator */
.progress-indicator {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 3rem;
    gap: 1rem;
}

.progress-step {
    padding: 0.5rem 1rem;
    background: #e2e8f0;
    color: #718096;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

.progress-step.active {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    transform: scale(1.05);
}

.progress-step.completed {
    background: #48bb78;
    color: white;
}

.progress-step:not(:last-child)::after {
    content: '→';
    position: absolute;
    right: -0.75rem;
    top: 50%;
    transform: translateY(-50%);
    color: #cbd5e0;
    font-weight: bold;
}

/* Form Styles */
.repair-form {
    max-width: 800px;
    margin: 0 auto;
    background: white;
    border-radius: 16px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.1);
    overflow: hidden;
}

.form-step {
    display: none;
    padding: 3rem;
}

.form-step.active {
    display: block;
}

.form-step h3 {
    font-size: 1.75rem;
    font-weight: 600;
    margin-bottom: 2rem;
    text-align: center;
    color: #1a202c;
}

/* Device Grid */
.device-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.device-card {
    background: #f7fafc;
    border: 2px solid #e2e8f0;
    border-radius: 12px;
    padding: 2rem 1.5rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

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

.device-card.selected {
    border-color: #667eea;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
}

.device-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.device-card h4 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.device-card p {
    font-size: 0.9rem;
    opacity: 0.8;
}

/* Brand Selection */
.brand-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.brand-option {
    display: block;
    background: #f7fafc;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    padding: 1rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
}

.brand-option:hover {
    border-color: #667eea;
    background: #edf2f7;
}

.brand-option input[type="radio"] {
    display: none;
}

.brand-option input[type="radio"]:checked + span {
    color: white;
}

.brand-option:has(input[type="radio"]:checked) {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-color: #667eea;
    color: white;
    transform: translateY(-1px);
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.2);
}

/* Form Grid */
.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group.full-width {
    grid-column: 1 / -1;
}

/* Checkbox Grid */
.checkbox-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.checkbox-option {
    display: flex;
    align-items: center;
    cursor: pointer;
    padding: 0.75rem;
    background: #f7fafc;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    transition: all 0.3s ease;
    font-weight: 500;
}

.checkbox-option:hover {
    border-color: #667eea;
    background: #edf2f7;
}

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

.checkmark {
    width: 20px;
    height: 20px;
    border: 2px solid #cbd5e0;
    border-radius: 4px;
    margin-right: 0.75rem;
    position: relative;
    transition: all 0.3s ease;
}

.checkbox-option input[type="checkbox"]:checked + .checkmark {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-color: #667eea;
}

.checkbox-option input[type="checkbox"]:checked + .checkmark::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-weight: bold;
    font-size: 12px;
}

.checkbox-option:has(input[type="checkbox"]:checked) {
    border-color: #667eea;
    background: #edf2f7;
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(102, 126, 234, 0.1);
}

.form-group label {
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #2d3748;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 0.75rem;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
    background: white;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

/* Form Navigation */
.form-navigation {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 2rem 3rem;
    background: #f7fafc;
    border-top: 1px solid #e2e8f0;
    position: relative;
}

.form-navigation::before {
    content: '';
    position: absolute;
    top: -2px;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, #667eea 0%, #764ba2 100%);
    opacity: 0.3;
}

.btn {
    padding: 0.75rem 2rem;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.btn-secondary {
    background: #e2e8f0;
    color: #4a5568;
}

.btn-secondary:hover {
    background: #cbd5e0;
}

/* Progress indicator */
.form-step {
    position: relative;
}

.form-step::before {
    content: '';
    position: absolute;
    top: -20px;
    left: 0;
    right: 0;
    height: 4px;
    background: #e2e8f0;
    border-radius: 2px;
}

.form-step.active::before {
    background: linear-gradient(90deg, #667eea 0%, #764ba2 100%);
    animation: progressFill 0.5s ease-out;
}

@keyframes progressFill {
    from {
        transform: scaleX(0);
        transform-origin: left;
    }
    to {
        transform: scaleX(1);
        transform-origin: left;
    }
}

/* Step transition animations */
.form-step {
    opacity: 0;
    transform: translateX(20px);
    transition: all 0.3s ease-out;
}

.form-step.active {
    opacity: 1;
    transform: translateX(0);
}

/* Hours Section */
.hours-section {
    padding: 4rem 0;
    background: #f7fafc;
}

.hours-section h2 {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 3rem;
    color: #1a202c;
}

.hours-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
    max-width: 800px;
    margin: 0 auto;
}

.hours-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: white;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

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

.hours-item .time {
    color: #667eea;
    font-weight: 500;
}

/* Contact Section */
.contact-section {
    padding: 4rem 0;
    background: white;
}

.contact-section h2 {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 3rem;
    color: #1a202c;
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    max-width: 800px;
    margin: 0 auto;
}

.contact-item {
    text-align: center;
    background: #f7fafc;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.contact-item h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: #2d3748;
}

.contact-item p {
    color: #4a5568;
    line-height: 1.6;
}

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

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

/* Footer */
.footer {
    background: #2d3748;
    color: white;
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-info h3 {
    margin-bottom: 1rem;
    color: #667eea;
}

.footer-info p {
    margin-bottom: 0.5rem;
    opacity: 0.9;
}

.footer-info a {
    color: #667eea;
    text-decoration: none;
}

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

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

.footer-links a {
    color: white;
    text-decoration: none;
    opacity: 0.9;
    transition: opacity 0.3s ease;
}

.footer-links a:hover {
    opacity: 1;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #4a5568;
    opacity: 0.8;
}

/* WhatsApp Chat Widget */
.whatsapp-chat {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 1000;
}

.whatsapp-button {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: #25d366;
    color: white;
    padding: 0.75rem 1rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 500;
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4);
    transition: all 0.3s ease;
    animation: pulse 2s infinite;
}

.whatsapp-button:hover {
    background: #128c7e;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.6);
}

.whatsapp-button svg {
    width: 24px;
    height: 24px;
}

@keyframes pulse {
    0% {
        box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4);
    }
    50% {
        box-shadow: 0 4px 15px rgba(37, 211, 102, 0.6), 0 0 0 10px rgba(37, 211, 102, 0.1);
    }
    100% {
        box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4);
    }
}

/* Success Message */
.success-message {
    background: #f0fff4;
    border: 2px solid #68d391;
    border-radius: 8px;
    padding: 2rem;
    text-align: center;
    color: #22543d;
    margin: 2rem 0;
}

.success-message h3 {
    color: #22543d;
    margin-bottom: 1rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .whatsapp-button span {
        display: none;
    }
    
    .whatsapp-button {
        width: 60px;
        height: 60px;
        border-radius: 50%;
        justify-content: center;
        padding: 0;
    }
    
    .checkbox-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-content h2 {
        font-size: 2rem;
    }
    
    .hero-content p {
        font-size: 1rem;
    }
    
    .device-grid {
        grid-template-columns: 1fr;
    }
    
    .brand-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .form-grid {
        grid-template-columns: 1fr;
    }
    
    .form-step {
        padding: 2rem 1.5rem;
    }
    
    .form-navigation {
        padding: 1.5rem;
        flex-direction: column;
        gap: 1rem;
    }
    
    .nav {
        flex-direction: column;
        gap: 1rem;
    }
    
    .header .container {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-links {
        flex-direction: row;
        justify-content: center;
        flex-wrap: wrap;
    }
}