:root {
    --primary-color: #00d4ff;
    /* Cyan / Electric Blue */
    --accent-color: #fdd835;
    /* Yellow/Gold for buttons */
    --bg-dark: #0a0a0a;
    --bg-card: #151515;
    --text-light: #ffffff;
    --text-dim: #b0b0b0;
    --font-main: 'Inter', sans-serif;
}

html {
    scroll-behavior: smooth;
}

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

body {
    font-family: var(--font-main);
    background-color: var(--bg-dark);
    color: var(--text-light);
    line-height: 1.6;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Hero Section */
.hero {
    text-align: center;
    padding: 60px 0 40px;
    background: radial-gradient(circle at center, #1a1a1a 0%, #000 100%);
}

.headline {
    font-size: 2.5rem;
    font-weight: 900;
    margin-bottom: 20px;
    line-height: 1.2;
}

.headline .highlight {
    color: var(--primary-color);
    /* Greenish Cyan */
}

.subheadline {
    font-size: 1.2rem;
    color: #ff4d4d;
    /* Reddish for urgency/pain point as in ref */
    font-weight: 700;
    margin-bottom: 30px;
}

.video-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-top: 20px;
}

.video-placeholder {
    width: 100%;
    max-width: 800px;
    aspect-ratio: 16/9;
    background-color: #000;
    border: 2px solid #333;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    border-radius: 10px;
    overflow: hidden;
    cursor: pointer;
}

.video-thumb {
    height: 100%;
    object-fit: contain;
    opacity: 0.6;
}

.play-button {
    position: absolute;
    font-size: 4rem;
    color: rgba(255, 255, 255, 0.8);
    background: rgba(0, 0, 0, 0.5);
    border-radius: 50%;
    width: 100px;
    height: 100px;
    display: flex;
    justify-content: center;
    align-items: center;
    border: 3px solid #fff;
    transition: transform 0.2s;
}

.video-placeholder:hover .play-button {
    transform: scale(1.1);
    color: #fff;
}

.video-caption {
    margin-top: 10px;
    font-size: 0.9rem;
    color: var(--text-dim);
}

/* References */
.references {
    background-color: #fff;
    padding: 30px 0;
    text-align: center;
}

.section-title-sm {
    color: #333;
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 15px;
}

.logos {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
    color: #555;
    font-weight: 700;
    font-size: 1.2rem;
}

.logos-img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Offers */
.offers {
    padding: 60px 0;
    background-color: #f4f4f4;
    /* Light bg for pricing to pop or match ref */
}

/* Override for dark mode premium feel requested?
   User said "igual a essa" (referring to image). 
   Image has white cards on white/light grey bg. 
   But Megavanse is premium dark.
   I will mix: Dark Hero, Light Pricing (for contrast), Blue guarantee.
*/

.offer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    justify-content: center;
    margin-top: 20px;
}

.offer-card {
    background: #fff;
    border-radius: 10px;
    padding: 20px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    position: relative;
    color: #333;
    border: 1px solid #ddd;
}

.offer-card.best-seller {
    transform: scale(1.05);
    border: 2px solid var(--accent-color);
    z-index: 2;
}

.best-seller-badge-img {
    position: absolute;
    top: -30px;
    left: -20px;
    width: 100px;
    height: auto;
    z-index: 10;
    filter: drop-shadow(0 4px 6px rgba(0, 0, 0, 0.3));
}

.offer-card h3 {
    font-size: 1.8rem;
    color: #0056b3;
    margin-bottom: 5px;
}

.treatment-time {
    font-size: 0.9rem;
    color: #666;
    margin-bottom: 15px;
    font-weight: 600;
}

.product-img {
    height: 180px;
    object-fit: contain;
    margin-bottom: 15px;
}

.pricing {
    margin-bottom: 20px;
}

.old-price {
    text-decoration: line-through;
    text-decoration-color: #ff0000;
    /* Red strikethrough */
    text-decoration-thickness: 2px;
    color: #999;
    font-size: 1rem;
}

.new-price {
    font-size: 1.8rem;
    font-weight: 900;
    color: #333;
}

.unit-price {
    font-size: 0.9rem;
    color: #555;
    margin-top: 5px;
}

.btn-buy {
    background-color: var(--accent-color);
    color: #000;
    border: none;
    padding: 15px 30px;
    font-size: 1.1rem;
    font-weight: 900;
    border-radius: 5px;
    cursor: pointer;
    width: 100%;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: background 0.2s;
    text-decoration: none;
    text-align: center;
    display: block;
}

.btn-buy:hover {
    background-color: #fbc02d;
}


.shipping-info {
    margin-top: 10px;
    font-weight: 800;
    color: #2fb635;
    /* Green for positive/free */
    font-size: 1rem;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.shipping-info i {
    font-size: 1.2rem;
}

.payment-methods {
    margin-top: 10px;
    font-size: 1.5rem;
    color: #555;
    opacity: 0.7;
}

/* Guarantee */
.guarantee {
    background-color: #0044cc;
    /* Deep Blue from ref */
    color: #fff;
    padding: 40px 0;
}

.guarantee-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
}

.guarantee-text h2 {
    font-size: 1.5rem;
    font-weight: 900;
    margin-bottom: 15px;
    text-transform: uppercase;
}

.guarantee-badge {
    position: relative;
    flex-shrink: 0;
    width: 220px;
    height: 150px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.guarantee-img-small {
    display: none;
}

.guarantee-badge-img {
    width: 220px;
    height: auto;
    filter: drop-shadow(0 4px 6px rgba(0, 0, 0, 0.3));
}

/* FAQ */
.faq {
    padding: 60px 0;
    background-color: #fff;
    color: #333;
}

.faq h2 {
    text-align: center;
    font-size: 1.5rem;
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.accordion {
    max-width: 800px;
    margin: 0 auto;
    border-top: 1px solid #eee;
}

.accordion-item {
    border-bottom: 1px solid #eee;
}

.accordion-header {
    width: 100%;
    background: none;
    border: none;
    text-align: left;
    padding: 20px;
    font-size: 1.1rem;
    font-weight: 600;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    color: #333;
}

.accordion-content {
    display: none;
    padding: 0 20px 20px;
    color: #555;
}

/* Footer */
footer {
    background-color: #003399;
    /* Darker Blue */
    color: #fff;
    padding: 30px 0;
    text-align: center;
    font-size: 0.9rem;
    position: relative;
}

.footer-links a {
    color: #fff;
    text-decoration: none;
    margin: 0 10px;
}

.whatsapp-float {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background-color: #25d366;
    color: #fff;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 2rem;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
    cursor: pointer;
    z-index: 100;
    text-decoration: none;
}

/* Responsive */
@media (max-width: 768px) {
    .headline {
        font-size: 1.8rem;
    }

    .guarantee-content {
        flex-direction: column;
        text-align: center;
    }

    .references .logos {
        font-size: 0.9rem;
        gap: 15px;
    }
}

/* Composition Table */
.composition-table-wrapper {
    margin-top: 15px;
    overflow-x: auto;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.composition-table {
    width: 100%;
    border-collapse: collapse;
    background-color: #fff;
    font-size: 0.95rem;
}

.composition-table th {
    background-color: var(--primary-color);
    color: #000;
    padding: 12px;
    text-align: left;
    font-weight: 800;
    text-transform: uppercase;
}

.composition-table td {
    padding: 10px 12px;
    border-bottom: 1px solid #eee;
    color: #444;
}

.composition-table tr:last-child td {
    border-bottom: none;
}

.composition-table tr:nth-child(even) {
    background-color: #f9f9f9;
}

.composition-table td:last-child {
    font-weight: 700;
    color: #000;
    text-align: right;
}

/* Live Banner */
.live-banner {
    position: relative;
    top: 0;
    left: 0;
    width: 100%;
    background-color: #ff0000;
    color: #fff;
    text-align: center;
    padding: 10px;
    font-size: 0.9rem;
    font-weight: 700;
    z-index: 1000;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
    display: flex;
    justify-content: center;
    align-items: center;
}

.live-banner i {
    margin-right: 8px;
    font-size: 1rem;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        transform: scale(1);
        opacity: 1;
    }

    50% {
        transform: scale(1.1);
        opacity: 0.8;
    }

    100% {
        transform: scale(1);
        opacity: 1;
    }
}

#viewer-count {
    font-weight: 900;
    color: #ffd700;
    /* Gold/Yellow for high contrast */
    font-size: 1.1rem;
    background-color: rgba(0, 0, 0, 0.2);
    padding: 2px 6px;
    border-radius: 4px;
    border: 1px solid rgba(255, 255, 255, 0.3);
}