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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
}

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

/* WhatsApp Floating Button */
.whatsapp-float {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 1000;
    animation: pulse 2s infinite;
}

.whatsapp-float a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #25D366, #128C7E);
    border-radius: 50%;
    color: white;
    text-decoration: none;
    font-size: 28px;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    transition: all 0.3s ease;
}

.whatsapp-float a:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 25px rgba(37, 211, 102, 0.6);
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(37, 211, 102, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
    }
}

/* Header */
.header {
    background: linear-gradient(135deg, #1e3c72, #2a5298);
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.logo {
    height: 50px;
    width: auto;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 60px 0;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    align-items: center;
}

.hero-title {
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
    text-align: center;
}

.highlight {
    color: #FFD700;
    font-weight: 300;
}

.hero-subtitle {
    font-size: 1.2rem;
    margin-bottom: 30px;
    opacity: 0.9;
    text-align: center;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-cta {
    text-align: center;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: linear-gradient(135deg, #25D366, #128C7E);
    color: white;
    padding: 18px 32px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.3);
    border: none;
    cursor: pointer;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(37, 211, 102, 0.4);
}

.btn-primary.large {
    padding: 22px 40px;
    font-size: 1.2rem;
}

.hero-image {
    text-align: center;
}

/* Client Slider */
.client-carousel {
    position: relative;
    max-width: 400px;
    margin: 0 auto;
}

.carousel-container {
    position: relative;
    overflow: hidden;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    height: 300px;
}

.carousel-track {
    display: flex;
    transition: transform 0.5s ease-in-out;
    height: 100%;
}

.client-photo {
    width: 100%;
    height: 300px;
    object-fit: cover;
    flex-shrink: 0;
    border-radius: 0;
}

/* Carousel Dots */
.carousel-dots {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 20px;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.4);
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid rgba(255, 255, 255, 0.6);
}

.dot.active {
    background: #FFD700;
    border-color: #FFD700;
    transform: scale(1.2);
}

.dot:hover {
    background: rgba(255, 255, 255, 0.7);
}

/* Benefits Section */
.benefits {
    padding: 80px 0;
    background: #f8f9fa;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 50px;
    color: #2c3e50;
}

.section-title.white {
    color: white;
}

.benefits-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
}

.benefit-card {
    background: white;
    padding: 40px 30px;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 5px 25px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.benefit-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.benefit-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: white;
    font-size: 2rem;
}

.benefit-card h3 {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: #2c3e50;
}

.benefit-card p {
    color: #666;
    line-height: 1.6;
}

/* Testimonials Section */
.testimonials {
    padding: 80px 0;
    background: linear-gradient(135deg, #2c3e50, #3498db);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
}

.testimonial-card {
    background: white;
    padding: 30px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.testimonial-photo {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
    margin: 0 auto 20px;
    border: 4px solid #667eea;
}

.testimonial-content p {
    font-style: italic;
    margin-bottom: 20px;
    color: #555;
    font-size: 1.1rem;
    line-height: 1.6;
}

.testimonial-content h4 {
    font-weight: 600;
    margin-bottom: 10px;
    color: #2c3e50;
}

.stars {
    color: #FFD700;
    font-size: 1.2rem;
}

/* Process Section */
.process {
    padding: 80px 0;
    background: white;
}

.process-steps {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
}

.step {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    padding: 30px;
    background: #f8f9fa;
    border-radius: 15px;
    transition: all 0.3s ease;
}

.step:hover {
    background: #e9ecef;
    transform: translateX(10px);
}

.step-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    flex-shrink: 0;
}

.step-content h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: #2c3e50;
}

.step-content p {
    color: #666;
    line-height: 1.6;
}

/* CTA Section */
.cta-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #e74c3c, #c0392b);
    color: white;
    text-align: center;
}

.cta-content h2 {
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.cta-content p {
    font-size: 1.2rem;
    margin-bottom: 40px;
    opacity: 0.9;
}

.urgency {
    margin-top: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    background: rgba(255, 255, 255, 0.1);
    padding: 15px 25px;
    border-radius: 25px;
    backdrop-filter: blur(10px);
    font-weight: 600;
}

.urgency i {
    color: #FFD700;
    animation: blink 1s infinite;
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0.3; }
}

/* Footer */
.footer {
    background: #2c3e50;
    color: white;
    padding: 40px 0;
    text-align: center;
}

.footer-logo {
    height: 60px;
    margin-bottom: 20px;
}

.footer p {
    margin-bottom: 20px;
    opacity: 0.8;
}

.footer-contact a {
    color: #25D366;
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
}

.footer-contact a:hover {
    color: #1ea052;
}

/* Responsive Design - Mobile First */
@media (min-width: 768px) {
    .hero .container {
        grid-template-columns: 1fr 1fr;
        gap: 60px;
    }
    
    .hero-title {
        font-size: 3rem;
        text-align: left;
    }
    
    .hero-subtitle {
        text-align: left;
        margin-left: 0;
        margin-right: 0;
    }
    
    .hero-cta {
        text-align: left;
    }
    
    .benefits-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 40px;
    }
    
    .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 40px;
    }
    
    .process-steps {
        grid-template-columns: repeat(2, 1fr);
        gap: 40px;
    }
    
    .whatsapp-float {
        bottom: 30px;
        right: 30px;
    }
    
    .whatsapp-float a {
        width: 70px;
        height: 70px;
        font-size: 32px;
    }
}

@media (min-width: 1024px) {
    .hero-title {
        font-size: 3.5rem;
    }
    
    .benefits-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .testimonials-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .process-steps {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .step {
        flex-direction: column;
        text-align: center;
    }
    
    .step:hover {
        transform: translateY(-10px);
    }
}

/* Accessibility and Performance */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Loading optimization */
img {
    max-width: 100%;
    height: auto;
    loading: lazy;
}

/* Focus states for accessibility */
.btn-primary:focus,
.whatsapp-float a:focus {
    outline: 2px solid #FFD700;
    outline-offset: 2px;
}

/* Print styles */
@media print {
    .whatsapp-float,
    .header {
        display: none;
    }
}