:root {
    --primary-color: #2D5A3D; /* Dark Green */
    --secondary-color: #C9A84C; /* Gold */
    --text-color: #333333; /* Graphite */
    --light-bg: #f9f9f9;
    --white: #ffffff;
    --border-color: #eaeaea;
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Lato', sans-serif;
    --transition: all 0.3s ease;
}

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

body {
    font-family: var(--font-body);
    color: var(--text-color);
    line-height: 1.6;
    background-color: var(--white);
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--primary-color);
    line-height: 1.3;
    margin-bottom: 1rem;
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--secondary-color);
}

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

.container {
    width: 90%;
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 15px;
}

.section {
    padding: 4rem 0;
}

.bg-light {
    background-color: var(--light-bg);
}

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

/* ADVERTORIAL BANNER */
.advertorial-banner {
    background-color: #f1f1f1;
    color: #666;
    text-align: center;
    padding: 5px 0;
    font-size: 0.75rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    font-weight: 700;
}

/* BUTTONS */
.cta-button {
    display: inline-block;
    padding: 15px 30px;
    font-size: 1.1rem;
    font-weight: 700;
    text-transform: uppercase;
    border-radius: 50px;
    text-align: center;
    cursor: pointer;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

.primary-cta {
    background-color: var(--secondary-color);
    color: var(--white);
    border: 2px solid var(--secondary-color);
}

.primary-cta:hover {
    background-color: #b59540;
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
}

/* HERO SECTION */
.hero-section {
    padding: 3rem 0;
    background-color: var(--white);
}

.hero-container {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 2rem;
}

.hero-content {
    flex: 1;
    min-width: 300px;
}

.hero-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.hero-subtitle {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: #555;
}

.hero-image-wrapper {
    flex: 1;
    min-width: 300px;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

.hero-image {
    width: 100%;
    object-fit: cover;
}

/* PROBLEM SECTION */
.problem-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 3rem;
    align-items: center;
}

.problem-text {
    flex: 1;
    min-width: 300px;
}

.problem-text p {
    margin-bottom: 1.2rem;
    font-size: 1.05rem;
}

.study-reference {
    background-color: var(--light-bg);
    padding: 15px;
    border-left: 4px solid var(--secondary-color);
    margin: 1.5rem 0;
    font-size: 0.9rem;
}

.study-reference a {
    color: #555;
}

.problem-image {
    flex: 1;
    min-width: 300px;
    border-radius: 10px;
    overflow: hidden;
}

/* SOLUTION SECTION */
.solution-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 3rem;
    margin-top: 3rem;
}

.solution-image-container {
    flex: 1;
    min-width: 300px;
    text-align: center;
}

.product-image {
    max-width: 80%;
    margin: 0 auto 2rem;
    filter: drop-shadow(0 15px 25px rgba(0,0,0,0.1));
}

.trust-badges {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
}

.badge {
    background: var(--white);
    padding: 8px 15px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--primary-color);
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
    display: flex;
    align-items: center;
    gap: 5px;
}

.badge i {
    color: var(--secondary-color);
}

.solution-content {
    flex: 1;
    min-width: 300px;
}

.lead-text {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 2rem;
}

.mechanism-item {
    display: flex;
    margin-bottom: 2rem;
    gap: 1rem;
}

.mech-icon {
    width: 50px;
    height: 50px;
    background-color: var(--primary-color);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.mech-text h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
}

/* SCIENCE SECTION */
.ingredients-header-img {
    width: 100%;
    max-height: 400px;
    object-fit: cover;
    border-radius: 10px;
    margin-bottom: 3rem;
}

.ingredients-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.ingredient-card {
    background: var(--white);
    border: 1px solid var(--border-color);
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    transition: var(--transition);
}

.ingredient-card:hover {
    box-shadow: 0 10px 20px rgba(0,0,0,0.05);
    transform: translateY(-5px);
}

.ingredient-icon {
    font-size: 2.5rem;
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.study-link {
    display: block;
    margin-top: 1rem;
    font-size: 0.85rem;
    color: #888;
}

/* USAGE SECTION */
.usage-steps {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    margin-top: 3rem;
    margin-bottom: 2rem;
}

.step {
    text-align: center;
    width: 150px;
}

.step-icon {
    width: 80px;
    height: 80px;
    background-color: var(--white);
    border: 2px solid var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--primary-color);
    margin: 0 auto 1rem;
}

.step-arrow {
    font-size: 2rem;
    color: var(--secondary-color);
}

.usage-disclaimer {
    font-size: 0.9rem;
    color: #777;
}

/* TESTIMONIALS SECTION */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.testimonial-card {
    background: var(--light-bg);
    padding: 2rem;
    border-radius: 10px;
    position: relative;
}

.testimonial-card::before {
    content: '"';
    font-family: var(--font-heading);
    font-size: 6rem;
    color: rgba(201, 168, 76, 0.2);
    position: absolute;
    top: -10px;
    left: 20px;
}

.stars {
    color: var(--secondary-color);
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.quote {
    font-style: italic;
    margin-bottom: 1.5rem;
    position: relative;
    z-index: 1;
}

.author {
    font-size: 0.95rem;
}

.testimonial-disclaimer {
    background-color: #f5f5f5;
    padding: 15px;
    border: 1px solid #ddd;
    font-size: 0.8rem;
    color: #666;
    text-align: center;
}

/* PRICING SECTION */
.pricing-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
    margin-top: 3rem;
}

.pricing-card {
    background: var(--white);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 2rem;
    text-align: center;
    width: 300px;
    position: relative;
    transition: var(--transition);
}

.pricing-card.best-value {
    border: 2px solid var(--secondary-color);
    transform: scale(1.05);
    box-shadow: 0 15px 30px rgba(0,0,0,0.1);
}

.pricing-card.most-popular {
    border: 2px solid var(--primary-color);
}

.badge-ribbon {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--secondary-color);
    color: var(--white);
    padding: 5px 15px;
    border-radius: 20px;
    font-weight: 700;
    font-size: 0.85rem;
    text-transform: uppercase;
}

.pricing-header h3 {
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
}

.pricing-price {
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin: 1rem 0;
    display: flex;
    align-items: flex-start;
    justify-content: center;
}

.currency {
    font-size: 1.5rem;
    margin-top: 10px;
}

.period {
    font-size: 1rem;
    color: #777;
    margin-top: auto;
    margin-bottom: 15px;
}

.pricing-shipping {
    margin-bottom: 2rem;
    font-weight: 700;
}

.free-shipping {
    color: var(--primary-color);
}

.pricing-cta {
    width: 100%;
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.pricing-cta:hover {
    background: var(--primary-color);
    color: var(--white);
}

.trust-icons-container {
    margin-top: 3rem;
}

.money-back-badge {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.security-icons {
    display: flex;
    justify-content: center;
    gap: 20px;
    font-size: 1.5rem;
    color: #777;
}

/* FAQ SECTION */
.faq-accordion {
    max-width: 800px;
    margin: 3rem auto 0;
}

.faq-item {
    border-bottom: 1px solid var(--border-color);
    padding: 1.5rem 0;
}

.faq-question {
    font-weight: 700;
    font-size: 1.1rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--primary-color);
}

.faq-question i {
    transition: var(--transition);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    margin-top: 0;
    color: #555;
}

.faq-item.active .faq-answer {
    margin-top: 1rem;
    max-height: 200px; /* Adjust as needed */
}

.faq-item.active .faq-question i {
    transform: rotate(45deg);
}

/* FOOTER */
.footer {
    background-color: var(--text-color);
    color: #bbb;
    padding: 4rem 0 2rem;
    font-size: 0.85rem;
}

.disclaimers p {
    margin-bottom: 1rem;
    line-height: 1.5;
}

.footer-links {
    margin: 2rem 0;
    text-align: center;
}

.footer-links a {
    color: #bbb;
    margin: 0 10px;
}

.footer-links a:hover {
    color: var(--white);
}

.copyright {
    text-align: center;
    border-top: 1px solid #555;
    padding-top: 2rem;
}

/* STICKY MOBILE CTA */
.mobile-sticky-cta {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background: var(--white);
    padding: 15px;
    box-shadow: 0 -2px 10px rgba(0,0,0,0.1);
    z-index: 100;
    display: none;
    text-align: center;
}

.mobile-sticky-cta .cta-button {
    width: 100%;
    margin: 0;
}

/* RESPONSIVE */
@media (max-width: 992px) {
    .pricing-card.best-value {
        transform: scale(1);
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .section {
        padding: 3rem 0;
    }

    .step-arrow {
        display: none; /* Hide arrows on mobile and let them stack */
    }
    
    .usage-steps {
        flex-direction: column;
        gap: 1.5rem;
    }
    
    .mobile-sticky-cta {
        display: block;
    }
    
    body {
        padding-bottom: 80px; /* Space for sticky cta */
    }
}