/* ===========================
   RESET E VARIÁVEIS GLOBAIS
   =========================== */

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

:root {
    --primary-color: #d32f2f;
    --primary-dark: #b71c1c;
    --secondary-color: #1a1a1a;
    --accent-color: #00d4ff;
    --text-dark: #1a1a1a;
    --text-light: #666666;
    --text-white: #ffffff;
    --bg-light: #f5f5f5;
    --bg-white: #ffffff;
    --border-color: #e0e0e0;
    --success-color: #4caf50;
    --warning-color: #ff9800;
    
    --font-primary: 'Poppins', sans-serif;
    
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    --transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    color: var(--text-dark);
    background-color: var(--bg-white);
    line-height: 1.6;
    overflow-x: hidden;
}

/* ===========================
   CONTAINER
   =========================== */

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ===========================
   HEADER
   =========================== */

.header {
    background: linear-gradient(135deg, var(--secondary-color) 0%, #2a2a2a 100%);
    color: var(--text-white);
    padding: var(--spacing-md) 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

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

.logo img {
    height: 50px;
    width: auto;
    object-fit: contain;
}

.promo-badge {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.8;
    }
}

/* ===========================
   HERO SECTION
   =========================== */

.hero {
    background: linear-gradient(135deg, #f5f5f5 0%, #ffffff 100%);
    padding: var(--spacing-2xl) 0;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    right: -100px;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(211, 47, 47, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.hero-text {
    z-index: 2;
}

.hero-title {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    color: var(--text-dark);
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--primary-color);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: var(--spacing-lg);
}

.countdown-timer {
    background: var(--primary-color);
    color: var(--text-white);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: 10px;
    margin-bottom: var(--spacing-lg);
    display: inline-block;
}

.timer-label {
    display: block;
    font-size: 0.9rem;
    margin-bottom: var(--spacing-xs);
    opacity: 0.9;
}

.countdown-display {
    font-size: 2rem;
    font-weight: 800;
    font-family: 'Courier New', monospace;
    letter-spacing: 2px;
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.product-hero {
    max-width: 100%;
    height: auto;
    filter: drop-shadow(0 10px 30px rgba(0, 0, 0, 0.2));
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
}

/* ===========================
   BUTTONS
   =========================== */

.cta-button {
    display: inline-block;
    padding: var(--spacing-md) var(--spacing-lg);
    border: none;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    text-decoration: none;
    text-align: center;
    transition: var(--transition);
    font-family: var(--font-primary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.primary-button {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: var(--text-white);
    box-shadow: 0 4px 15px rgba(211, 47, 47, 0.3);
}

.primary-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 25px rgba(211, 47, 47, 0.4);
}

.primary-button:active {
    transform: translateY(-1px);
}

.secondary-button {
    background: var(--bg-light);
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.secondary-button:hover {
    background: var(--primary-color);
    color: var(--text-white);
    transform: translateY(-3px);
}

.large-button {
    padding: var(--spacing-lg) var(--spacing-2xl);
    font-size: 1.1rem;
}

/* ===========================
   BENEFITS SECTION
   =========================== */

.benefits {
    background: linear-gradient(135deg, var(--secondary-color) 0%, #2a2a2a 100%);
    color: var(--text-white);
    padding: var(--spacing-2xl) 0;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.benefit-card {
    background: rgba(255, 255, 255, 0.05);
    padding: var(--spacing-lg);
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    transition: var(--transition);
}

.benefit-card:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-5px);
}

.benefit-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
    color: var(--primary-color);
}

.benefit-card h3 {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-sm);
}

.benefit-card p {
    opacity: 0.9;
    font-size: 0.95rem;
}

/* ===========================
   CAROUSEL SECTION
   =========================== */

.carousel-section {
    padding: var(--spacing-2xl) 0;
    background: var(--bg-light);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    text-align: center;
    margin-bottom: var(--spacing-xl);
    color: #fff;
}

.carousel-container {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    position: relative;
}

.carousel-wrapper {
    flex: 1;
    overflow: hidden;
    border-radius: 15px;
}

.carousel-track {
    display: flex;
    transition: transform 0.5s ease;
}

.carousel-slide {
    min-width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    background: var(--text-white);
    padding: var(--spacing-lg);
}

.carousel-slide img {
    max-width: 100%;
    height: auto;
    max-height: 500px;
    object-fit: contain;
}

.carousel-btn {
    background: var(--primary-color);
    color: var(--text-white);
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    flex-shrink: 0;
}

.carousel-btn:hover {
    background: var(--primary-dark);
    transform: scale(1.1);
}

.carousel-dots {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-lg);
}

.carousel-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--border-color);
    cursor: pointer;
    transition: var(--transition);
}

.carousel-dot.active {
    background: var(--primary-color);
    width: 30px;
    border-radius: 6px;
}

/* ===========================
   PRICING SECTION
   =========================== */

.pricing {
    padding: var(--spacing-2xl) 0;
    background: var(--text-white);
}

.pricing-subtitle {
    text-align: center;
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: var(--spacing-xl);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.pricing-card {
    background: var(--bg-light);
    border: 2px solid var(--border-color);
    border-radius: 15px;
    padding: var(--spacing-lg);
    text-align: center;
    transition: var(--transition);
    position: relative;
}

.pricing-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(211, 47, 47, 0.2);
}

.pricing-card.featured {
    border-color: var(--primary-color);
    background: linear-gradient(135deg, rgba(211, 47, 47, 0.05) 0%, rgba(211, 47, 47, 0.02) 100%);
    transform: scale(1.05);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary-color);
    color: var(--text-white);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 700;
    white-space: nowrap;
}

.pricing-header h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--text-dark);
}

.pricing-duration {
    color: var(--text-light);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-md);
}

.pricing-body {
    margin-bottom: var(--spacing-lg);
}

.pricing-installment {
    font-size: 1.2rem;
    color: var(--text-dark);
    margin-bottom: var(--spacing-xs);
}

.price {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--primary-color);
}

.pricing-total {
    font-size: 0.9rem;
    color: var(--text-light);
}

/* ===========================
   HOW TO USE SECTION
   =========================== */

.how-to-use {
    padding: var(--spacing-2xl) 0;
    background: linear-gradient(135deg, #f5f5f5 0%, #ffffff 100%);
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.step-card {
    background: var(--text-white);
    padding: var(--spacing-lg);
    border-radius: 15px;
    border-left: 4px solid var(--primary-color);
    transition: var(--transition);
}

.step-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: var(--text-white);
    border-radius: 50%;
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: var(--spacing-md);
}

.step-card h3 {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-sm);
    color: var(--text-dark);
}

.step-card p {
    color: var(--text-light);
    line-height: 1.8;
}

/* ===========================
   CLINICAL RESULTS SECTION
   =========================== */

.clinical-results {
    padding: var(--spacing-2xl) 0;
    background: linear-gradient(135deg, var(--secondary-color) 0%, #2a2a2a 100%);
    color: var(--text-white);
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.result-item {
    background: rgba(255, 255, 255, 0.05);
    padding: var(--spacing-lg);
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    transition: var(--transition);
}

.result-item:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-5px);
}

.result-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
}

.result-item h3 {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-sm);
}

.result-item p {
    opacity: 0.9;
    font-size: 0.95rem;
}

/* ===========================
   TESTIMONIALS SECTION
   =========================== */

.testimonials {
    padding: var(--spacing-2xl) 0;
    background: var(--bg-light);
}

.rating-summary {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.rating-score {
    display: inline-block;
    background: var(--text-white);
    padding: var(--spacing-lg) var(--spacing-2xl);
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.big-rating {
    font-size: 3rem;
    font-weight: 800;
    color: var(--primary-color);
    display: block;
}

.stars {
    font-size: 1.5rem;
    color: var(--warning-color);
    margin: var(--spacing-sm) 0;
}

.review-count {
    color: var(--text-light);
    font-size: 0.95rem;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.testimonial-card {
    background: var(--text-white);
    padding: var(--spacing-lg);
    border-radius: 15px;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.testimonial-stars {
    color: var(--warning-color);
    font-size: 1.2rem;
    margin-bottom: var(--spacing-md);
}

.testimonial-text {
    color: var(--text-dark);
    margin-bottom: var(--spacing-md);
    font-style: italic;
    line-height: 1.8;
}

.testimonial-author {
    color: var(--text-light);
    font-size: 0.9rem;
    font-weight: 600;
}

/* ===========================
   DELIVERY SECTION
   =========================== */

.delivery {
    padding: var(--spacing-2xl) 0;
    background: var(--text-white);
}

.delivery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.delivery-item {
    background: linear-gradient(135deg, rgba(211, 47, 47, 0.05) 0%, rgba(211, 47, 47, 0.02) 100%);
    padding: var(--spacing-lg);
    border-radius: 15px;
    border: 2px solid var(--border-color);
    text-align: center;
    transition: var(--transition);
}

.delivery-item:hover {
    border-color: var(--primary-color);
    transform: translateY(-5px);
}

.delivery-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
}

.delivery-item h3 {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-sm);
    color: var(--text-dark);
}

.delivery-item p {
    color: var(--text-light);
    font-size: 0.95rem;
}

/* ===========================
   GUARANTEE SECTION
   =========================== */

.guarantee {
    padding: var(--spacing-2xl) 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: var(--text-white);
}

.guarantee-content {
    text-align: center;
}

.guarantee-box {
    background: rgba(255, 255, 255, 0.1);
    padding: var(--spacing-xl) var(--spacing-lg);
    border-radius: 15px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    margin-bottom: var(--spacing-xl);
    backdrop-filter: blur(10px);
}

.guarantee-text {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.guarantee-highlight {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 0;
}

/* ===========================
   VIRAL SECTION
   =========================== */

.viral {
    padding: var(--spacing-2xl) 0;
    background: linear-gradient(135deg, #f5f5f5 0%, #ffffff 100%);
    text-align: center;
}

.viral-content {
    max-width: 600px;
    margin: 0 auto;
}

.viral-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: var(--spacing-md);
    color: var(--text-dark);
}

.viral-subtitle {
    font-size: 1.8rem;
    color: var(--primary-color);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.viral-description {
    font-size: 1.1rem;
    color: var(--text-light);
}

/* ===========================
   FOOTER
   =========================== */

.footer {
    background: linear-gradient(135deg, var(--secondary-color) 0%, #1a1a1a 100%);
    color: var(--text-white);
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

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

.footer-section h4 {
    margin-bottom: var(--spacing-md);
    color: var(--primary-color);
}

.footer-section p {
    opacity: 0.9;
    line-height: 1.8;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    opacity: 0.9;
    margin-bottom: var(--spacing-sm);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-lg);
    text-align: center;
    opacity: 0.8;
    font-size: 0.9rem;
}

.facebook-disclaimer {
    margin-top: var(--spacing-sm);
    font-size: 0.85rem;
}

/* ===========================
   RESPONSIVE DESIGN
   =========================== */

@media (max-width: 768px) {
    :root {
        --spacing-xl: 2rem;
        --spacing-2xl: 2.5rem;
    }

    .hero-content {
        grid-template-columns: 1fr;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .pricing-card.featured {
        transform: scale(1);
    }

    .carousel-container {
        gap: var(--spacing-sm);
    }

    .carousel-btn {
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
    }

    .countdown-display {
        font-size: 1.5rem;
    }

    .header-content {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .logo img {
        height: 40px;
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-lg: 1.5rem;
        --spacing-xl: 1.5rem;
        --spacing-2xl: 1.5rem;
    }

    .hero-title {
        font-size: 1.5rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .cta-button {
        padding: var(--spacing-md) var(--spacing-lg);
        font-size: 0.9rem;
    }

    .large-button {
        padding: var(--spacing-md) var(--spacing-lg);
        font-size: 1rem;
    }

    .pricing-grid {
        grid-template-columns: 1fr;
    }

    .countdown-display {
        font-size: 1.2rem;
    }

    .big-rating {
        font-size: 2rem;
    }
}

/* ===========================
   SCROLL ANIMATIONS
   =========================== */

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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