:root {
    --primary-color: #1a365d;
    --secondary-color: #2b6cb0;
    --accent-color: #e53e3e;
    --text-main: #2d3748;
    --text-muted: #4a5568;
    --bg-light: #f7fafc;
    --bg-white: #ffffff;
    --border-color: #e2e8f0;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.24);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1);
}

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

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

h1, h2, h3, h4, h5, h6 {
    color: var(--primary-color);
    line-height: 1.2;
    margin-bottom: 1rem;
}

a {
    color: var(--secondary-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

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

/* Announcement Bar */
.announcement-bar {
    background-color: var(--primary-color);
    color: var(--bg-white);
    text-align: center;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    font-weight: 500;
}

/* Navigation */
.navbar {
    background-color: var(--bg-white);
    padding: 1rem 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 100;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    letter-spacing: -0.5px;
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-links a {
    color: var(--text-muted);
    font-weight: 500;
}

.nav-links a:hover {
    color: var(--primary-color);
}

.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 4px;
    font-weight: 600;
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
}

.btn-primary {
    background-color: var(--accent-color);
    color: white !important;
    border: none;
}

.btn-primary:hover {
    background-color: #c53030;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Sections General */
section {
    padding: 5rem 5%;
}

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

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
}

/* Hero Section */
.hero {
    background-color: var(--bg-white);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    padding-top: 6rem;
    padding-bottom: 6rem;
}

.hero-content h1 {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.hero-content p {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
}

.hero-trust {
    margin-top: 1.5rem;
    font-size: 0.875rem;
    color: var(--text-muted);
}

.hero-image img {
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
}

/* Split Sections (Image + Text) */
.split-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.split-section.reverse {
    direction: rtl;
}

.split-section.reverse > * {
    direction: ltr;
}

.content-box {
    background: var(--bg-white);
    padding: 2.5rem;
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
    margin-bottom: 2rem;
}

/* Cards Grid */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.card {
    background: var(--bg-white);
    padding: 2rem;
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
    transition: transform 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Offer Section */
.offer-section {
    background-color: var(--primary-color);
    color: var(--bg-white);
    text-align: center;
}

.offer-section h2 {
    color: var(--bg-white);
}

.pricing-table {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    flex-wrap: wrap;
    margin-top: 3rem;
    align-items: stretch;
}

.pricing-card {
    background: var(--bg-white);
    color: var(--text-main);
    padding: 2rem 1.5rem;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    flex: 1;
    min-width: 320px;
    max-width: 350px;
    text-align: center;
    border: 1px solid #e2e8f0;
}

.pricing-card.highlight {
    border: 2px solid #e53e3e;
    transform: scale(1.02);
    box-shadow: 0 10px 25px rgba(229, 62, 62, 0.2);
    z-index: 2;
    position: relative;
}

.pricing-card h3 {
    font-size: 2.2rem;
    color: #1a202c;
    margin-bottom: 0.2rem;
    font-weight: 800;
}

.supply-text {
    color: #4a5568;
    font-weight: 600;
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
}

.img-container {
    position: relative;
    margin-bottom: 1.5rem;
}

.pricing-img {
    margin: 0 auto;
    max-height: 180px;
    object-fit: contain;
}

.bonus-badge {
    position: absolute;
    bottom: -10px;
    right: 10px;
    background: #ff6b6b;
    color: white;
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 800;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.price-container {
    color: #c53030;
    margin-bottom: 1.5rem;
}

.currency {
    font-size: 2.5rem;
    font-weight: 800;
    vertical-align: top;
    margin-right: -4px;
}

.price-amount {
    font-size: 4.5rem;
    font-weight: 900;
    line-height: 1;
    letter-spacing: -2px;
}

.per-bottle {
    color: #4a5568;
    font-size: 0.95rem;
    margin-top: 0.5rem;
    font-weight: 500;
}

.features-list {
    list-style: none;
    text-align: left;
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
}

.features-list li {
    margin-bottom: 0.6rem;
    color: #2d3748;
    font-weight: 500;
    display: flex;
    align-items: center;
}

.features-list li.disabled {
    color: #a0aec0;
}

.features-list span {
    display: inline-block;
    width: 20px;
    margin-right: 5px;
    font-weight: bold;
}

.features-list .check {
    color: #c53030;
}

.save-badge {
    color: #c53030;
    font-weight: 700;
    border: 1px solid #fed7d7;
    background: #fff5f5;
    padding: 0.5rem;
    border-radius: 4px;
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

.total-price {
    margin-bottom: 1.5rem;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.old-price {
    text-decoration: line-through;
    color: #a0aec0;
    font-size: 1.2rem;
}

.new-price {
    font-size: 1.8rem;
    font-weight: 900;
    color: #1a202c;
}

.plus-shipping {
    width: 100%;
    color: #4a5568;
    font-size: 0.85rem;
    margin-top: 0.2rem;
}

.btn-buy {
    display: block;
    width: 100%;
    background: linear-gradient(to bottom, #f6e05e, #d69e2e);
    color: #1a202c !important;
    font-weight: 800;
    font-size: 1.25rem;
    padding: 1rem;
    border-radius: 4px;
    border: 1px solid #b7791f;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    margin-bottom: 1rem;
    text-shadow: 0 1px 1px rgba(255,255,255,0.4);
    transition: all 0.2s ease;
}

.btn-buy:hover {
    background: linear-gradient(to bottom, #faf089, #ecc94b);
    transform: translateY(-2px);
    box-shadow: 0 6px 8px rgba(0,0,0,0.15);
}

.payments-placeholder {
    display: flex;
    justify-content: center;
    gap: 0.25rem;
    font-size: 0.6rem;
    color: #1a202c;
    font-weight: bold;
}

.payments-placeholder span {
    border: 1px solid #e2e8f0;
    padding: 2px 4px;
    border-radius: 2px;
    background: #edf2f7;
}

/* FAQ Section */
.faq-item {
    background: var(--bg-white);
    margin-bottom: 1rem;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
}

.faq-question {
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

/* Footer */
footer {
    background-color: #1a202c;
    color: #e2e8f0;
    padding: 4rem 5% 2rem;
    text-align: center;
    font-size: 0.875rem;
}

.footer-disclaimer {
    max-width: 800px;
    margin: 0 auto 2rem;
    line-height: 1.5;
    color: #a0aec0;
}

.footer-links {
    margin-bottom: 2rem;
}

.footer-links a {
    color: #e2e8f0;
    margin: 0 1rem;
}

/* Authority & Ingredient Badges */
.gov-badge {
    display: inline-block;
    background-color: #ebf8ff;
    color: #2b6cb0;
    font-size: 0.72rem;
    font-weight: 700;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    border: 1px solid #bee3f8;
    margin-bottom: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.gov-link {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    margin-top: 0.75rem;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--secondary-color);
    text-decoration: underline;
    transition: color 0.2s ease;
}

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

.references-box {
    margin-top: 3rem;
    background: var(--bg-white);
    padding: 2rem;
    border-radius: 8px;
    border-left: 4px solid var(--secondary-color);
    box-shadow: var(--shadow-sm);
}

/* Responsive Design */
@media (max-width: 768px) {
    .navbar {
        flex-direction: column;
        gap: 1rem;
    }
    
    .nav-links {
        display: none; /* simple mobile menu hiding for now */
    }
    
    .hero, .split-section {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .split-section.reverse {
        direction: ltr;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .pricing-card.highlight {
        transform: none;
    }
}