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

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
}

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

/* Header */
.header {
    background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
    padding: 15px 0;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(0,0,0,0.3);
}

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

.logo h1 {
    color: #ff6b35;
    font-size: 28px;
    font-weight: 900;
    letter-spacing: 2px;
}

.logo span {
    color: #4CAF50;
    font-size: 12px;
    font-weight: 600;
    display: block;
    margin-top: -5px;
}

.btn-primary {
    background: linear-gradient(135deg, #ff6b35 0%, #f7931e 100%);
    color: white;
    border: none;
    padding: 12px 25px;
    border-radius: 30px;
    font-weight: 700;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255, 107, 53, 0.4);
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 50%, #1a1a1a 100%);
    padding-top: 80px;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('../images/137ec494bb3937be9496b1bb58bc345f.jpg') center/cover;
    opacity: 0.1;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(26,26,26,0.9) 0%, rgba(45,45,45,0.8) 100%);
}

.hero-content {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-title {
    font-size: 48px;
    font-weight: 900;
    color: white;
    line-height: 1.2;
    margin-bottom: 20px;
}

.highlight {
    color: #ff6b35;
    background: linear-gradient(135deg, #ff6b35, #f7931e);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 20px;
    color: #ccc;
    margin-bottom: 30px;
    font-weight: 500;
}

.hero-benefits {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin-bottom: 40px;
}

.benefit-item {
    display: flex;
    align-items: center;
    gap: 10px;
    color: white;
    font-weight: 600;
}

.benefit-item i {
    color: #4CAF50;
    font-size: 18px;
}

.btn-hero {
    background: linear-gradient(135deg, #ff6b35 0%, #f7931e 100%);
    color: white;
    border: none;
    padding: 20px 40px;
    border-radius: 50px;
    font-weight: 800;
    font-size: 18px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: 0 10px 30px rgba(255, 107, 53, 0.3);
}

.btn-hero:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(255, 107, 53, 0.5);
}

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

.hero-image img {
    max-width: 100%;
    height: auto;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}

/* Pain Section */
.pain-section {
    padding: 100px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.section-title {
    font-size: 42px;
    font-weight: 800;
    text-align: center;
    margin-bottom: 60px;
    color: #1a1a1a;
}

.pain-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

.pain-item {
    background: white;
    padding: 40px 30px;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.pain-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(0,0,0,0.15);
}

.pain-item i {
    font-size: 48px;
    color: #dc3545;
    margin-bottom: 20px;
}

.pain-item h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 15px;
    color: #1a1a1a;
}

.pain-item p {
    font-size: 16px;
    color: #666;
    line-height: 1.6;
}

.pain-text {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.pain-text p {
    font-size: 18px;
    color: #555;
    margin-bottom: 20px;
    line-height: 1.8;
}

.pain-highlight {
    font-size: 22px !important;
    font-weight: 700 !important;
    color: #ff6b35 !important;
}

/* Science Section */
.science-section {
    padding: 100px 0;
    background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
    color: white;
}

.science-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.science-section .section-title {
    color: white;
    text-align: left;
    margin-bottom: 30px;
}

.science-text p {
    font-size: 18px;
    line-height: 1.8;
    margin-bottom: 40px;
    color: #ccc;
}

.science-features {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.feature {
    display: flex;
    align-items: flex-start;
    gap: 20px;
}

.feature i {
    font-size: 32px;
    color: #4CAF50;
    margin-top: 5px;
}

.feature h4 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 10px;
    color: #ff6b35;
}

.feature p {
    font-size: 16px;
    color: #ccc;
    line-height: 1.6;
}

.science-image img {
    max-width: 100%;
    height: auto;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}

/* Benefits Section */
.benefits-section {
    padding: 100px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
}

.benefit-card {
    background: white;
    padding: 40px 30px;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 15px 40px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.benefit-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(135deg, #ff6b35, #f7931e);
}

.benefit-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 25px 60px rgba(0,0,0,0.15);
}

.benefit-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #ff6b35, #f7931e);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
}

.benefit-icon i {
    font-size: 32px;
    color: white;
}

.benefit-card h3 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 20px;
    color: #1a1a1a;
}

.benefit-card p {
    font-size: 16px;
    color: #666;
    line-height: 1.7;
}

/* Testimonials Section */
.testimonials-section {
    padding: 100px 0;
    background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
    color: white;
}

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

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
}

.testimonial-card {
    background: rgba(255,255,255,0.1);
    padding: 40px 30px;
    border-radius: 20px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.1);
    transition: all 0.3s ease;
}

.testimonial-card:hover {
    transform: translateY(-10px);
    background: rgba(255,255,255,0.15);
}

.testimonial-header {
    margin-bottom: 20px;
}

.stars {
    display: flex;
    gap: 5px;
    margin-bottom: 15px;
}

.stars i {
    color: #ffd700;
    font-size: 18px;
}

.testimonial-header h4 {
    font-size: 20px;
    font-weight: 700;
    color: #ff6b35;
}

.testimonial-card p {
    font-size: 16px;
    line-height: 1.7;
    margin-bottom: 20px;
    color: #ccc;
    font-style: italic;
}

.testimonial-author {
    font-weight: 600;
    color: #4CAF50;
}

/* CTA Section */
.cta-section {
    padding: 100px 0;
    background: linear-gradient(135deg, #ff6b35 0%, #f7931e 100%);
    color: white;
    text-align: center;
}

.cta-title {
    font-size: 42px;
    font-weight: 800;
    margin-bottom: 30px;
}

.cta-text {
    font-size: 20px;
    max-width: 800px;
    margin: 0 auto 40px;
    line-height: 1.7;
}

.cta-urgency {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-bottom: 40px;
    font-size: 18px;
    font-weight: 700;
    background: rgba(255,255,255,0.2);
    padding: 15px 30px;
    border-radius: 50px;
    display: inline-flex;
}

.cta-urgency i {
    font-size: 20px;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); }
}

.btn-cta {
    background: white;
    color: #ff6b35;
    border: none;
    padding: 25px 50px;
    border-radius: 50px;
    font-weight: 800;
    font-size: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: 0 15px 40px rgba(0,0,0,0.2);
    margin-bottom: 30px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
    margin: 0 auto 30px;
}

.btn-cta:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 50px rgba(0,0,0,0.3);
}

.btn-subtext {
    font-size: 14px;
    font-weight: 500;
    text-transform: none;
    letter-spacing: 0;
}

.guarantee {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-size: 16px;
    font-weight: 600;
}

.guarantee i {
    font-size: 20px;
    color: #4CAF50;
}

/* FAQ Section */
.faq-section {
    padding: 100px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.faq-grid {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: white;
    margin-bottom: 20px;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.faq-question {
    padding: 25px 30px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: white;
    transition: all 0.3s ease;
}

.faq-question:hover {
    background: #f8f9fa;
}

.faq-question h4 {
    font-size: 18px;
    font-weight: 600;
    color: #1a1a1a;
}

.faq-question i {
    color: #ff6b35;
    transition: transform 0.3s ease;
}

.faq-answer {
    padding: 0 30px;
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-answer.active {
    padding: 20px 30px;
    max-height: 200px;
}

.faq-answer p {
    font-size: 16px;
    color: #666;
    line-height: 1.7;
}

/* Footer */
.footer {
    background: #1a1a1a;
    color: white;
    padding: 60px 0 30px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
}

.footer-logo h3 {
    color: #ff6b35;
    font-size: 24px;
    font-weight: 800;
    margin-bottom: 10px;
}

.footer-logo p {
    color: #ccc;
    font-size: 14px;
}

.footer-links {
    display: flex;
    gap: 30px;
}

.footer-links a {
    color: #ccc;
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #ff6b35;
}

.footer-bottom {
    border-top: 1px solid #333;
    padding-top: 30px;
    text-align: center;
}

.footer-bottom p {
    color: #999;
    font-size: 14px;
    margin-bottom: 10px;
}

.disclaimer {
    font-size: 12px !important;
    color: #666 !important;
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.5;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .hero-title {
        font-size: 36px;
    }
    
    .hero-benefits {
        grid-template-columns: 1fr;
    }
    
    .science-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .science-section .section-title {
        text-align: center;
    }
    
    .benefits-grid {
        grid-template-columns: 1fr;
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .pain-grid {
        grid-template-columns: 1fr;
    }
    
    .section-title {
        font-size: 32px;
    }
    
    .cta-title {
        font-size: 32px;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 30px;
        text-align: center;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 15px;
    }
    
    .header-content {
        flex-direction: column;
        gap: 15px;
    }
    
    .btn-cta {
        padding: 20px 30px;
        font-size: 16px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero-title {
        font-size: 28px;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .cta-title {
        font-size: 28px;
    }
    
    .benefit-card,
    .testimonial-card,
    .pain-item {
        padding: 30px 20px;
    }
}


/* Melhorias adicionais de responsividade e animações */

/* Loading animation */
.loaded {
    animation: fadeIn 0.5s ease-in;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* Hover effects melhorados */
.benefit-card:hover .benefit-icon {
    transform: scale(1.1) rotate(5deg);
}

.testimonial-card:hover {
    border-color: rgba(255, 107, 53, 0.3);
}

/* Scroll indicator */
.scroll-indicator {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 4px;
    background: linear-gradient(135deg, #ff6b35, #f7931e);
    z-index: 9999;
    transition: width 0.3s ease;
}

/* Melhorias para telas muito pequenas */
@media (max-width: 360px) {
    .hero-title {
        font-size: 24px;
    }
    
    .section-title {
        font-size: 24px;
    }
    
    .btn-hero {
        padding: 15px 25px;
        font-size: 14px;
    }
    
    .btn-cta {
        padding: 15px 25px;
        font-size: 14px;
    }
}

/* Melhorias para tablets */
@media (min-width: 769px) and (max-width: 1024px) {
    .hero-content {
        gap: 40px;
    }
    
    .science-content {
        gap: 40px;
    }
    
    .benefits-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Otimizações para performance */
.hero-background,
.science-image img,
.hero-image img {
    will-change: transform;
}

/* Acessibilidade */
.btn-primary:focus,
.btn-hero:focus,
.btn-cta:focus {
    outline: 3px solid #4CAF50;
    outline-offset: 2px;
}

.faq-question:focus {
    outline: 2px solid #ff6b35;
    outline-offset: 2px;
}

/* Preloader opcional */
.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #1a1a1a;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    opacity: 1;
    transition: opacity 0.5s ease;
}

.preloader.hidden {
    opacity: 0;
    pointer-events: none;
}

.preloader-spinner {
    width: 50px;
    height: 50px;
    border: 3px solid rgba(255, 107, 53, 0.3);
    border-top: 3px solid #ff6b35;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}