:root {
    --primary-color: #006A5C;

    /* Updated: Teal/Green from label */
    --secondary-color: #C8E6C9;

    /* Updated: Soft light green */
    --text-color: #333;
    --light-bg: #F0F7F7;

    /* Updated: Very light cyan-grey */
    --dark-bg: #2b2b2f;
    --border-radius: 8px;
    --success-color: #388E3C;

    /* Updated: Richer green */
    --font-heading: 'Open Sans', sans-serif;
    --font-body: 'Lato', sans-serif;
}

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

body {
    font-family: var(--font-body);
    color: var(--text-color);
    line-height: 1.6;
    font-size: 20px;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    font-weight: 700;
}

h1 {
    font-size: 40px;
    color: var(--primary-color);

    /* Updated: Use variable */
    font-weight: 900;
    line-height: 53px;
}

h2 {
    font-size: 32px;
    color: var(--primary-color);
}

h3 {
    font-size: 28px;
}

h4 {
    font-size: 24px;
}

p {
    margin-bottom: 1em;
    font-size: 22px;
}

a {
    color: var(--primary-color);
}

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

/* Header & Navigation */
header {
    background-color: var(--primary-color);

    /* Updated: Use variable */
    color: white;
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

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

.logo {
    font-size: 24px;
    font-weight: 700;
    text-decoration: none;
    color: white;
}

.main-nav {
    display: flex;
    gap: 30px;
}

.nav-item {
    text-decoration: none;
    color: white;
    font-weight: 500;
    transition: color 0.3s;
    display: flex;
    align-items: center;
    gap: 5px;
}

.nav-item:hover {
    color: #fff;
    opacity: 0.8;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: white;
    font-size: 24px;
    cursor: pointer;
}

.order-button {
    display: inline-block;
    background-color: white;
    color: var(--primary-color);
    padding: 10px 25px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 700;
    font-size: 20px;
    transition: transform 0.3s, box-shadow 0.3s;
}

.order-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.support-bar {
    background-color: var(--dark-bg);
    color: white;
    padding: 5px 0;
    font-size: 14px;
    text-align: center;
}

.support-bar a {
    color: white;
    text-decoration: none;
}

/* Hero Section */
.hero {
    padding: 50px 0 80px;
    background-color: var(--secondary-color);

    /* Updated: Use variable */
}

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

.hero-content h1 {
    font-size: 48px;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-content p {
    margin-bottom: 30px;
    font-size: 18px;
    color: #666;
}

/* Adjusted default paragraph style */
/* Hero Benefits adjustments */
.hero-benefits {
    margin: 20px 0;
    background-color: #ffffffcc;

    /* Semi-transparent white for overlay effect */
    padding: 15px;
    border-radius: 8px;
}

.hero-benefits ul {
    list-style-type: none;
    padding-left: 5px;
}

.hero-benefits ul li {
    margin-bottom: 8px;
    display: flex;
    align-items: flex-start;
    font-size: 18px;

    /* Match p font size */
}

.hero-benefits ul li span:first-child {
    color: var(--primary-color);
    font-weight: bold;
    margin-right: 10px;
    flex-shrink: 0;
}

.hero-benefits p {
    font-style: italic;
    color: var(--text-color);
    font-size: 18px;
    margin-top: 15px;
}

/* Match list font size */
.rating-box {
    display: flex;
    align-items: center;
    margin-bottom: 30px;
    gap: 10px;
}

.stars {
    color: #ffc107;
    font-size: 24px;
}

.rating-text {
    font-weight: 600;
    color: #4a90e2;
}

.cta-button {
    display: inline-block;
    background-color: #ff3c3c;

    /* สีแดงสด */
    color: white;
    padding: 15px 30px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 700;
    font-size: 24px;
    transition: transform 0.3s, box-shadow 0.3s;
    margin-top: 20px;

    /* เพิ่มเงาอ่อนๆ */
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.hero-image img {
    width: 100%;
    border-radius: var(--border-radius);
}

.img {
    justify-content: center;
    display: flex;
}

/* Featured Section */
.featured-section {
    padding: 30px 0;
    text-align: center;
    position: relative;
    background-color: white;

    /* Ensure contrast */
}

.featured-title {
    color: var(--primary-color);
    font-size: 32px;
    margin-bottom: 30px;
    font-weight: 900;
}

.featured-logos {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 40px;
    flex-wrap: wrap;
}

.featured-logo {
    height: 30px;
    opacity: 0.8;
    filter: grayscale(50%);

    /* Mute logos slightly */
}

.featured-disclaimer {
    font-size: 12px;
    color: #777;
    margin-top: 20px;
}

/* Main Headline */
.main-headline {
    padding: 60px 0;
    text-align: center;
    background-color: white;
}

.main-headline h2 {
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.3;
    color: var(--primary-color);
}

/* Section Headers */
.section-header {
    background-color: var(--primary-color);
    color: white;
    padding: 28px 0;
    text-align: center;
    margin-bottom: 30px;
}

.section-header h2 {
    font-size: 32px;
    margin: 0;
    color: white;
}

/* Information Section */
.info-section {
    padding: 60px 0;
    background-color: white;
}

.info-content {
    max-width: 900px;
    margin: 0 auto;
}

.info-content p {
    margin-bottom: 20px;
    font-size: 22px;
}

.info-content strong {
    color: var(--primary-color);
}

/* How It Works Section */
.how-it-works {
    padding: 60px 0;
    background-color: white;
}

.formula-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 40px;
}

.formula-icon {
    font-size: 40px;
    margin-right: 20px;
    color: var(--primary-color);
    flex-shrink: 0;
    width: 50px;
    text-align: center;
}

/* Adjusted width and alignment */
.formula-content h3 {
    color: var(--primary-color);
    margin-bottom: 10px;
    font-size: 24px;
}

/* Adjusted font size */
.formula-content p {
    font-size: 20px;
}

/* Adjusted font size */
/* Benefits Section */
.benefits {
    padding: 60px 0;
    background-color: white;
}

.benefits-list {
    max-width: 800px;
    margin: 0 auto;
}

.benefit-item {
    display: flex;
    margin-bottom: 15px;
    align-items: flex-start;
}

.benefit-icon {
    color: white;
    font-size: 18px;
    margin-right: 15px;
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background-color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
}

.benefit-item p {
    font-size: 20px;
    margin-bottom: 0;
}

/* Adjusted font size */
.text-center {
    text-align: center;
    margin-bottom: 30px;
}

/* Package Section */
.packages {
    padding: 60px 0;
    background-color: white;
}

.packages-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.package-card {
    border: 0px solid #ddd;
    border-radius: var(--border-radius);
    padding: 0;
    text-align: center;
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

/* Added flex for equal height potential */
.package-card.popular {
    background-color: var(--light-bg);
    border: 0px solid var(--primary-color);
}

.package-title {
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--primary-color);
}

.package-subtitle {
    font-size: 14px;
    margin-bottom: 10px;
}

.discount-tag {
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.package-image {
    max-width: 100%;
    height: auto;
    margin-bottom: 20px;
}

.package-pricing {
    margin-bottom: 20px;
}

.original-price {
    text-decoration: line-through;
    color: #4d4d4d;
    font-weight: bold;
}

.current-price {
    font-size: 28px;
    font-weight: 700;
    color: var(--primary-color);
}

.per-unit {
    font-size: 14px;
    color: #000000;
}

.package-features {
    margin-bottom: 20px;
    flex-grow: 1;
}

/* Allow features to take space */
.package-feature {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 10px;
    color: #333;
}

.feature-check {
    color: white;
    margin-right: 5px;
    background-color: var(--success-color);
    width: 20px;
    height: 20px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    flex-shrink: 0;
}

/* Added flex-shrink */
.package-feature p {
    font-size: 18px;
    margin-top: 0px;
    margin-bottom: 0px;
    text-align: left;
}

/* Align text left */
.package-total {
    margin-bottom: 5px;
    font-size: 14px;
}

.shipping-info,
.guarantee {
    font-size: 14px;
    color: #666;
    margin-bottom: 5px;
}

.popular-badge {
    position: absolute;
    top: -15px;
    right: -15px;
    background-color: var(--success-color);

    /* Updated: Use variable */
    color: white;
    padding: 5px 10px;
    border-radius: 15px;
    font-size: 12px;
    font-weight: 700;
}

.payment-icons img {
    margin-top: 10px;
    margin-bottom: 10px;
}

/* Added margin */
/* Reviews Section */
.reviews {
    padding: 60px 0;
    background-color: white;
}

.reviews-container {
    margin-top: 40px;
}

.review-card {
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    padding: 30px;
    margin-bottom: 30px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.review-header {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
}

.reviewer-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background-color: var(--primary-color);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 700;
    margin-right: 15px;
    flex-shrink: 0;
}

/* Added flex-shrink */
.reviewer-name {
    font-weight: 700;
    font-size: 20px;
    margin-bottom: 5px;
}

.review-location {
    color: #555;
    font-size: 14px;
}

/* Adjusted color */
.review-stars {
    color: #ffc107;
    font-size: 18px;
    margin-bottom: 10px;
}

.review-text p {
    margin-bottom: 10px;
    font-size: 18px;
}

/* Adjusted font size */
.review-text p:last-child {
    margin-bottom: 0;
}

.review-verified {
    display: inline-block;
    background-color: #e8f5e9;
    color: #2e7d32;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 600;
    margin-top: 10px;
}

/* Certifications Section */
.certifications {
    background-color: var(--light-bg);
    padding: 30px 0;
    text-align: center;
}

.certifications-container {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 30px;
    flex-wrap: wrap;
}

.certification-logo {
    height: 80px;
    width: auto;
}

/* FAQ Section */
.faq-section {
    padding: 60px 0;
    background-color: white;
}

.faq-container {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    margin-bottom: 20px;
    overflow: hidden;
}

.faq-question {
    background-color: #f5f5f5;
    padding: 15px 20px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* Use space-between */
.faq-question-content {
    display: flex;
    align-items: center;
}

/* Group icon and text */
.faq-icon {
    margin-right: 15px;
    font-size: 20px;
    color: var(--primary-color);
    flex-shrink: 0;
}

/* Added flex-shrink */
.faq-question h3 {
    margin: 0;
    font-size: 18px;
    color: var(--primary-color);
}

/* Removed position/padding */
.faq-toggle {
    font-size: 24px;
    font-weight: bold;
    color: var(--primary-color);
    transition: transform 0.3s;
}

/* Separate toggle */
.faq-question.active .faq-toggle {
    transform: rotate(45deg);
}

/* Rotate + to x */
.faq-answer {
    padding: 20px;
    border-top: 1px solid #ddd;
    display: none;
}

.faq-answer p {
    margin-bottom: 10px;
    font-size: 18px;
}

/* Adjusted font size */
.faq-answer p:last-child {
    margin-bottom: 0;
}

/* CTA Section */
.cta-section {
    padding: 80px 0;
    color: #161616;
    text-align: center;
    background-color: var(--secondary-color);

    /* Updated: Use variable */
}

.cta-title {
    font-size: 36px;
    margin-bottom: 20px;
    color: #000000;
    font-weight: 900;
}

.cta-text {
    font-size: 24px;
    margin-bottom: 30px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.cta-button-white {
    display: inline-block;
    background-color: #d11010;

    /* Updated: Use variable */
    color: #f7f7f7;
    padding: 15px 30px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 700;
    font-size: 18px;
    transition: transform 0.3s, box-shadow 0.3s;
}

.cta-button-white:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

/* Guarantee Section */
.guarantee-section {
    padding: 60px 0;
    background-color: white;
}

.shipping-banner {
    background-color: var(--light-bg);
    padding: 20px;
    border-radius: var(--border-radius);
    text-align: center;
    margin-bottom: 40px;
}

.shipping-banner h3 {
    margin: 0;
    font-size: 20px;
    color: var(--text-color);
}

.highlight {
    color: var(--primary-color);
    font-weight: bold;
}

.guarantee-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 30px;
    max-width: 800px;
    margin: 0 auto;
}

.guarantee-badge {
    max-width: 200px;
    flex-shrink: 0;
}

/* Added flex-shrink */
.guarantee-text {
    font-size: 18px;
    line-height: 1.6;
}

/* Interlinks Section */
.interlinks-section {
    padding: 60px 0;
    background-color: var(--light-bg);
}

.interlinks-container {
    display: flex;
    justify-content: space-between;
    gap: 30px;
}

.interlinks-column {
    flex: 1;
}

.interlink-item {
    display: flex;
    align-items: center;
    padding: 15px;
    margin-bottom: 10px;
    background-color: white;
    border-radius: var(--border-radius);
    text-decoration: none;
    color: var(--primary-color);
    transition: transform 0.3s, box-shadow 0.3s;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.interlink-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.interlink-icon {
    margin-right: 10px;
    font-size: 20px;
}

.interlink-text {
    font-weight: 500;
}

/* Quick Links */
.quick-links {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 100;
}

.quick-link-button {
    display: block;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--primary-color);
    color: white;
    text-align: center;
    line-height: 50px;
    font-size: 24px;
    margin-bottom: 10px;
    text-decoration: none;
    box-shadow: 0 2px 10px rgba(0,0,0,0.2);
    transition: transform 0.3s;
}

.quick-link-button:hover {
    transform: scale(1.1);
}

/* FDA Compliance */
.fda-compliance {
    padding: 40px 0;
    background-color: var(--dark-bg);
    color: white;
}

.fda-title {
    color: #f3f3f3;

    /* Updated: Use primary for contrast */
    text-align: center;
    margin-bottom: 20px;
}

.fda-text {
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
    font-size: 14px;
    line-height: 1.6;
}

.fda-highlight {
    color: var(--primary-color);

    /* Updated: Use primary for contrast */
    font-weight: bold;
}

.fda-text a {
    color: var(--primary-color);

    /* Updated: Use primary for contrast */
}

/* Footer */
footer {
    background-color: var(--dark-bg);
    color: white;
    padding: 40px 0;
    text-align: center;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

/* Added flex-wrap */
.footer-link {
    color: white;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-link:hover {
    color: var(--primary-color);

    /* Updated: Hover uses primary */
}

.contact-info {
    margin-bottom: 20px;
}

.copyright {
    color: #aaa;

    /* Lightened for dark bg */
}

.disclaimer {
    color: #aaa;

    /* Lightened for dark bg */
}

/* Responsive Design */
@media (max-width: 768px) {
    body {
        font-size: 16px;
    }

    h1 {
        font-size: 30px;
        line-height: 39px;
    }

    h2 {
        font-size: 24px;
    }

    h3 {
        font-size: 22px;
    }

    h4 {
        font-size: 20px;
    }

    p {
        font-size: 18px;
    }

    /* Adjusted base p size for mobile */
    .hero-content h1 {
        font-size: 36px;
    }

    /* Adjusted hero h1 */
    .hero-content p,
    .hero-benefits ul li,
    .hero-benefits p {
        font-size: 16px;
    }

    /* Adjusted hero text */
    .hero-container {
        grid-template-columns: 1fr;
    }

    .hero-image {
        order: -1;
    }

    .section-header h2 {
        font-size: 26px;
        margin: 0;
        color: white;
    }

    .main-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--primary-color);
        padding: 20px;
        flex-direction: column;
        gap: 15px;
    }

    .main-nav.active {
        display: flex;
    }

    .mobile-menu-btn {
        display: block;
    }

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

    .interlinks-container {
        flex-direction: column;
    }

    .product-images {
        flex-direction: column;
    }

    .bonuses-container {
        grid-template-columns: 1fr;
    }

    /* If bonuses section uses grid */
    .cta-title {
        font-size: 29px;
        margin-bottom: 20px;
        color: #000000;
        font-weight: 900;
    }

    .formula-content p,
    .benefit-item p,
    .review-text p,
    .faq-answer p {
        font-size: 16px;
    }

    /* Adjusted paragraph sizes */
    .formula-content h3 {
        font-size: 20px;
    }

    /* Adjusted formula heading */
    .faq-question h3 {
        font-size: 16px;
    }

    /* Adjusted faq question heading */
    .guarantee-text {
        font-size: 16px;
    }

    /* Adjusted guarantee text */
    .package-feature p {
        font-size: 16px;
    }

    /* Adjusted package feature text */
}

.package-feature p {
    font-size: 18px;
    margin-top: 0px;
    margin-bottom: 0px;
}

.logo h4 {
    font-size: 25px;
    margin: 0;
    text-transform: uppercase;
}

/* Ensure no extra margin */
/* Bonus Section Style */
.bonus-section {
    padding: 40px 0;
    background-color: var(--light-bg);
}

.bonus-section h2 {
    text-align: center;
    margin-bottom: 30px;
    color: var(--primary-color);
}

.bonus-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    max-width: 900px;
    margin: 0 auto;
}

.bonus-card {
    background-color: white;
    padding: 20px;
    border-radius: var(--border-radius);
    text-align: center;
    box-shadow: 0 3px 10px rgba(0,0,0,0.08);
}

.bonus-card img {
    max-width: 150px;
    height: auto;
    margin-bottom: 15px;
    border-radius: 6px;
}

.bonus-card h3 {
    font-size: 20px;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.bonus-card p {
    font-size: 16px;
}

.price p {
    font-size: 39px !important;
}

p .price {
    font-size: 32px;
}