:root {
    --primary: #1A2744;
    --primary-light: #2A3D66;
    --primary-dark: #0F1A2E;
    --accent: #B87333;
    --accent-light: #D4915A;
    --accent-dark: #8B5A2B;
    --text: #2D3748;
    --text-light: #718096;
    --bg: #FFFFFF;
    --bg-alt: #F7F8FC;
    --bg-dark: #0F1A2E;
    --border: #E2E8F0;
    --success: #38A169;
    --white: #FFFFFF;
    --shadow: 0 4px 20px rgba(26,39,68,0.12);
    --shadow-lg: 0 12px 40px rgba(26,39,68,0.18);
    --radius: 12px;
    --transition: all 0.3s ease;
}

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

html { scroll-behavior: smooth; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--text);
    background: var(--bg);
    line-height: 1.7;
    font-size: 16px;
    overflow-x: hidden;
}

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

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

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

/* Header */
.header {
    background: var(--white);
    padding: 16px 0;
    border-bottom: 2px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.06);
}

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

.logo {
    font-size: 26px;
    font-weight: 800;
    color: var(--primary);
    letter-spacing: -0.5px;
}

.logo span { color: var(--accent); }

.header-cta {
    background: var(--accent);
    color: var(--white);
    padding: 10px 28px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 15px;
    transition: var(--transition);
    display: inline-block;
}

.header-cta:hover {
    background: var(--accent-dark);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(184,115,51,0.35);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
    padding: 80px 0 70px;
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 30% 50%, rgba(184,115,51,0.15) 0%, transparent 60%);
    animation: heroGlow 8s ease-in-out infinite alternate;
}

@keyframes heroGlow {
    0% { transform: translate(0,0); }
    100% { transform: translate(5%,3%); }
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content h1 {
    font-size: 44px;
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 18px;
    letter-spacing: -1px;
}

.hero-content h1 span { color: var(--accent-light); }

.hero-subtitle {
    font-size: 19px;
    opacity: 0.92;
    margin-bottom: 28px;
    line-height: 1.7;
}

.hero-checks {
    list-style: none;
    margin-bottom: 32px;
}

.hero-checks li {
    padding: 6px 0;
    font-size: 16px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.hero-checks li::before {
    content: '\2713';
    background: var(--accent);
    color: var(--white);
    width: 22px;
    height: 22px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    flex-shrink: 0;
}

.hero-image { text-align: center; }
.hero-image img { max-height: 440px; margin: 0 auto; filter: drop-shadow(0 20px 40px rgba(0,0,0,0.3)); }

.btn-primary {
    background: var(--accent);
    color: var(--white);
    padding: 16px 42px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 17px;
    display: inline-block;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-primary:hover {
    background: var(--accent-dark);
    color: var(--white);
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(184,115,51,0.4);
}

@keyframes pulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(184,115,51,0.5); }
    50% { box-shadow: 0 0 0 15px rgba(184,115,51,0); }
}

.btn-pulse { animation: pulse 2s infinite; }

/* Trust Badges */
.trust-bar {
    background: var(--bg-alt);
    padding: 35px 0;
    border-bottom: 1px solid var(--border);
}

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

.trust-badges img { height: 65px; width: auto; opacity: 0.92; transition: var(--transition); }
.trust-badges img:hover { opacity: 1; transform: scale(1.05); }

/* Section Styles */
.section { padding: 80px 0; }
.section-alt { background: var(--bg-alt); }

.section-header {
    text-align: center;
    margin-bottom: 55px;
}

.section-header h2 {
    font-size: 36px;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 14px;
    letter-spacing: -0.5px;
}

.section-header p {
    font-size: 18px;
    color: var(--text-light);
    max-width: 650px;
    margin: 0 auto;
}

.section-label {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: var(--white);
    padding: 5px 18px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    margin-bottom: 14px;
}

/* What Is Section */
.what-is-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.what-is-grid img {
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
}

.what-is-content h3 {
    font-size: 24px;
    color: var(--primary);
    margin-bottom: 16px;
}

.what-is-content p { margin-bottom: 16px; font-size: 16px; }

/* How It Works */
.how-it-works-img {
    max-width: 850px;
    margin: 0 auto;
    text-align: center;
}

.how-it-works-img img {
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
}

/* Benefits Grid */
.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 28px;
}

.benefit-card {
    background: var(--white);
    padding: 35px 28px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    transition: var(--transition);
    text-align: center;
}

.benefit-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent);
}

.benefit-icon {
    width: 65px;
    height: 65px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 18px;
    font-size: 28px;
    color: var(--white);
}

.benefit-card h3 {
    font-size: 19px;
    color: var(--primary);
    margin-bottom: 10px;
}

.benefit-card p { font-size: 15px; color: var(--text-light); }

/* Ingredients */
.ingredients-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.ingredient-item {
    background: var(--white);
    padding: 28px;
    border-radius: var(--radius);
    border-left: 4px solid var(--accent);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.ingredient-item:hover { transform: translateX(5px); }

.ingredient-item h3 {
    font-size: 18px;
    color: var(--primary);
    margin-bottom: 6px;
}

.ingredient-item .dose {
    font-size: 13px;
    font-weight: 700;
    color: var(--accent);
    margin-bottom: 8px;
    display: block;
}

.ingredient-item p { font-size: 14px; color: var(--text-light); }

/* Pricing */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    max-width: 1000px;
    margin: 0 auto;
}

.price-card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 40px 28px;
    text-align: center;
    box-shadow: var(--shadow);
    border: 2px solid var(--border);
    position: relative;
    transition: var(--transition);
}

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

.price-card.featured {
    border-color: var(--accent);
    transform: scale(1.05);
}

.price-card.featured:hover { transform: scale(1.05) translateY(-5px); }

.price-badge {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent);
    color: var(--white);
    padding: 5px 22px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    white-space: nowrap;
}

.price-card h3 { font-size: 20px; color: var(--primary); margin-bottom: 8px; }

.price-amount {
    font-size: 48px;
    font-weight: 800;
    color: var(--primary);
    margin: 14px 0;
}

.price-amount span { font-size: 18px; font-weight: 400; color: var(--text-light); }

.price-card .price-per { font-size: 14px; color: var(--text-light); margin-bottom: 20px; }

.price-card ul {
    list-style: none;
    margin-bottom: 28px;
    text-align: left;
}

.price-card ul li {
    padding: 8px 0;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.price-card ul li::before {
    content: '\2713';
    color: var(--success);
    font-weight: 700;
}

/* Reviews */
.reviews-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 28px;
}

.review-card {
    background: var(--white);
    padding: 32px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
}

.review-header {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 14px;
}

.review-header img {
    width: 55px;
    height: 55px;
    border-radius: 50%;
    object-fit: cover;
}

.review-name { font-weight: 700; color: var(--primary); }
.review-verified { font-size: 12px; color: var(--success); font-weight: 600; }

.review-stars { color: #F6AD55; font-size: 18px; margin-bottom: 10px; }

.review-card p { font-size: 15px; color: var(--text-light); line-height: 1.7; }

/* FAQ */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    margin-bottom: 12px;
    overflow: hidden;
}

.faq-question {
    width: 100%;
    background: var(--white);
    border: none;
    padding: 20px 24px;
    text-align: left;
    font-size: 16px;
    font-weight: 600;
    color: var(--primary);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
    font-family: inherit;
}

.faq-question:hover { background: var(--bg-alt); }

.faq-question::after {
    content: '+';
    font-size: 22px;
    font-weight: 300;
    color: var(--accent);
    transition: var(--transition);
}

.faq-item.active .faq-question::after { content: '\2212'; }

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease;
}

.faq-answer-inner {
    padding: 0 24px 20px;
    font-size: 15px;
    color: var(--text-light);
    line-height: 1.7;
}

/* CTA Banner */
.cta-banner {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary), var(--primary-light));
    padding: 70px 0;
    text-align: center;
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.cta-banner::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: radial-gradient(circle at 50% 50%, rgba(184,115,51,0.2), transparent 70%);
}

.cta-banner .container { position: relative; z-index: 1; }

.cta-banner h2 { font-size: 36px; margin-bottom: 14px; font-weight: 800; }

.cta-banner p { font-size: 18px; opacity: 0.9; margin-bottom: 30px; max-width: 600px; margin-left: auto; margin-right: auto; }

/* Footer */
.footer {
    background: var(--bg-dark);
    color: rgba(255,255,255,0.7);
    padding: 60px 0 20px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer h4 {
    color: var(--white);
    font-size: 16px;
    margin-bottom: 18px;
    font-weight: 700;
}

.footer p { font-size: 14px; line-height: 1.8; }

.footer-links { list-style: none; }

.footer-links li { margin-bottom: 10px; }

.footer-links a {
    color: rgba(255,255,255,0.6);
    font-size: 14px;
    transition: var(--transition);
}

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

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 20px;
    text-align: center;
    font-size: 13px;
}

.footer-bottom img { height: 30px; margin: 12px auto 0; }

/* Sticky Bottom Bar */
.sticky-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--primary);
    padding: 14px 0;
    z-index: 999;
    box-shadow: 0 -4px 20px rgba(0,0,0,0.15);
    transform: translateY(100%);
    transition: transform 0.4s ease;
}

.sticky-bar.visible { transform: translateY(0); }

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

.sticky-bar p { color: var(--white); font-weight: 600; font-size: 15px; }

.sticky-bar .btn-primary { padding: 10px 30px; font-size: 14px; }

/* Guarantee Section */
.guarantee-box {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
    padding: 45px;
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border: 2px solid var(--accent);
}

.guarantee-box img { height: 90px; margin: 0 auto 20px; }

.guarantee-box h3 { font-size: 24px; color: var(--primary); margin-bottom: 12px; }

.guarantee-box p { font-size: 16px; color: var(--text-light); }

/* Supply Section */
.supply-info {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
}

.supply-info h3 { font-size: 24px; color: var(--primary); margin-bottom: 16px; }

.supply-info p { font-size: 16px; color: var(--text-light); margin-bottom: 16px; }

/* Science Section */
.science-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 24px;
}

.science-card {
    text-align: center;
    padding: 30px 20px;
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.science-number {
    font-size: 42px;
    font-weight: 800;
    color: var(--accent);
    margin-bottom: 6px;
}

.science-card h3 { font-size: 16px; color: var(--primary); margin-bottom: 6px; }

.science-card p { font-size: 14px; color: var(--text-light); }

/* Blog Styles */
.blog-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 40px 20px;
}

.blog-content h1 {
    font-size: 34px;
    color: var(--primary);
    margin-bottom: 20px;
    line-height: 1.3;
}

.blog-meta {
    font-size: 14px;
    color: var(--text-light);
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border);
}

.blog-content h2 {
    font-size: 24px;
    color: var(--primary);
    margin: 35px 0 15px;
}

.blog-content h3 {
    font-size: 20px;
    color: var(--primary-light);
    margin: 25px 0 12px;
}

.blog-content p {
    margin-bottom: 16px;
    font-size: 16px;
    line-height: 1.8;
}

.blog-content ul, .blog-content ol {
    margin: 16px 0;
    padding-left: 28px;
}

.blog-content li { margin-bottom: 8px; line-height: 1.7; }

.blog-cta-box {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: var(--white);
    padding: 35px;
    border-radius: var(--radius);
    text-align: center;
    margin: 35px 0;
}

.blog-cta-box h3 { color: var(--white); margin-bottom: 12px; font-size: 22px; }

.blog-cta-box p { opacity: 0.9; margin-bottom: 18px; }

.blog-nav {
    display: flex;
    justify-content: space-between;
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
}

.blog-nav a { font-size: 14px; color: var(--accent); font-weight: 600; }

/* Blog Index */
.blog-index-list { list-style: none; }

.blog-index-list li {
    border-bottom: 1px solid var(--border);
    padding: 14px 0;
}

.blog-index-list a {
    font-size: 16px;
    color: var(--primary);
    font-weight: 500;
}

.blog-index-list a:hover { color: var(--accent); }

/* Sub-page */
.page-hero {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
    padding: 60px 0;
    text-align: center;
    color: var(--white);
}

.page-hero h1 { font-size: 38px; font-weight: 800; margin-bottom: 14px; }

.page-hero p { font-size: 18px; opacity: 0.9; max-width: 600px; margin: 0 auto; }

.page-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 60px 20px;
}

.page-content h2 {
    font-size: 26px;
    color: var(--primary);
    margin: 35px 0 14px;
}

.page-content p {
    margin-bottom: 16px;
    font-size: 16px;
    line-height: 1.8;
}

.page-content ul { margin: 16px 0; padding-left: 28px; }

.page-content li { margin-bottom: 10px; line-height: 1.7; }

/* Responsive */
@media (max-width: 768px) {
    .hero .container { grid-template-columns: 1fr; text-align: center; }
    .hero-content h1 { font-size: 32px; }
    .hero-image img { max-height: 300px; }
    .hero-checks { display: inline-block; text-align: left; }
    .what-is-grid { grid-template-columns: 1fr; }
    .pricing-grid { grid-template-columns: 1fr; max-width: 400px; }
    .price-card.featured { transform: none; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .section-header h2 { font-size: 28px; }
    .trust-badges { gap: 20px; }
    .trust-badges img { height: 50px; }
    .sticky-bar p { display: none; }
    .sticky-bar .container { justify-content: center; }
    .blog-content h1 { font-size: 26px; }
    .reviews-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
    .hero { padding: 50px 0 40px; }
    .hero-content h1 { font-size: 28px; }
    .section { padding: 50px 0; }
    .benefits-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
}