/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: #333;
    background: #ffffff;
}

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

/* Header and Navigation */
.header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(102, 126, 234, 0.15);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    font-family: 'Poppins', sans-serif;
    font-size: 28px;
    font-weight: 700;
}

.logo-icon {
    display: inline-block;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    margin-right: 15px;
    text-align: center;
    line-height: 40px;
    font-size: 20px;
    backdrop-filter: blur(10px);
}

.logo-text {
    background: linear-gradient(45deg, #ffffff, #f0f4ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.nav-links a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    padding: 0.5rem 1rem;
    border-radius: 8px;
}

.nav-links a:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

/* Typography System - Font Combination 2 */
h1, .hero-title {
    font-family: 'Montserrat', sans-serif;
    font-size: 48px;
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 1rem;
    line-height: 1.2;
}

h2, .section-title, .hero-slogan {
    font-family: 'Montserrat', sans-serif;
    font-size: 32px;
    font-weight: 500;
    color: #334155;
    margin-bottom: 1rem;
    line-height: 1.3;
}

h3 {
    font-family: 'Montserrat', sans-serif;
    font-size: 24px;
    font-weight: 500;
    color: #475569;
    margin-bottom: 0.75rem;
}

p, .hero-description, .hero-sub-description {
    font-family: 'Inter', sans-serif;
    font-size: 16px;
    color: #64748b;
    line-height: 1.7;
    margin-bottom: 1rem;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    padding: 4rem 0;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="1" fill="%23ffffff" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content {
    max-width: 600px;
}

.hero-slogans {
    margin-bottom: 1.5rem;
}

.hero-slogan {
    font-size: 24px;
    color: #667eea;
    margin-bottom: 0.5rem;
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards;
}

.hero-slogan:nth-child(2) {
    animation-delay: 0.2s;
}

.hero-slogan:nth-child(3) {
    animation-delay: 0.4s;
}

.hero-title {
    font-size: 42px;
    margin-bottom: 1.5rem;
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards 0.6s;
}

.hero-description {
    font-size: 18px;
    margin-bottom: 1rem;
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards 0.8s;
}

.hero-sub-description {
    font-size: 16px;
    margin-bottom: 2rem;
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards 1s;
}

.hero-cta {
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards 1.2s;
}

.cta-button {
    display: inline-block;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 1rem 2rem;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 18px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.4);
}

.hero-image {
    text-align: center;
    opacity: 0;
    animation: fadeInRight 1s ease forwards 1.4s;
}

.hero-product-image {
    max-width: 100%;
    height: auto;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

/* Product Section */
.product-section {
    padding: 4rem 0;
    background: white;
}

.product-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
}

.product-images {
    position: sticky;
    top: 120px;
}

.main-image {
    margin-bottom: 1rem;
}

.main-product-image {
    width: 100%;
    height: auto;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.image-gallery {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.gallery-image {
    width: 100%;
    height: auto;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.gallery-image:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.product-details {
    padding: 2rem;
    background: #f8fafc;
    border-radius: 20px;
    border: 1px solid #e2e8f0;
}

.product-title {
    font-size: 36px;
    margin-bottom: 1rem;
    color: #1e293b;
}

.product-subtitle {
    font-size: 18px;
    color: #64748b;
    margin-bottom: 2rem;
}

.product-description p {
    margin-bottom: 1.5rem;
    font-size: 16px;
    line-height: 1.7;
}

.benefits-list {
    list-style: none;
    margin: 2rem 0;
}

.benefits-list li {
    padding: 0.75rem 0;
    border-bottom: 1px solid #e2e8f0;
    font-size: 16px;
    line-height: 1.6;
}

.benefits-list li:last-child {
    border-bottom: none;
}

/* Pricing Section */
.pricing-section {
    margin: 2rem 0;
}

.pricing-section h3 {
    margin-bottom: 1.5rem;
    color: #1e293b;
}

.pricing-options {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.pricing-option {
    display: flex;
    align-items: center;
    padding: 1rem;
    border: 2px solid #e2e8f0;
    border-radius: 12px;
    transition: all 0.3s ease;
    cursor: pointer;
}

.pricing-option:hover {
    border-color: #667eea;
    background: #f8fafc;
}

.pricing-option input[type="radio"] {
    margin-right: 1rem;
    transform: scale(1.2);
}

.pricing-option label {
    flex: 1;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.pack-info {
    display: flex;
    flex-direction: column;
}

.pack-size {
    font-weight: 600;
    color: #1e293b;
    font-size: 16px;
}

.pack-count {
    color: #64748b;
    font-size: 14px;
}

.pack-price {
    font-size: 24px;
    font-weight: 700;
    color: #667eea;
}

.pack-price-section {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

.pack-savings {
    font-size: 14px;
    color: #10b981;
    font-weight: 600;
}

.buy-now-btn {
    width: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    padding: 1.25rem;
    border-radius: 12px;
    font-size: 18px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    margin: 2rem 0 1rem 0;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.buy-now-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.4);
}

.secure-checkout-note {
    text-align: center;
    color: #64748b;
    font-size: 14px;
    margin-bottom: 1rem;
}

.product-note {
    font-size: 12px;
    color: #94a3b8;
    text-align: center;
    font-style: italic;
}

/* Ingredients Section */
.ingredients-section {
    padding: 4rem 0;
    background: #f8fafc;
}

.ingredients-section .section-title {
    text-align: center;
    margin-bottom: 3rem;
}

.ingredients-section .section-subtitle {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 3rem auto;
    font-size: 18px;
}

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

.ingredient-card {
    background: white;
    padding: 2rem;
    border-radius: 16px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.ingredient-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
}

.ingredient-icon {
    font-size: 48px;
    margin-bottom: 1rem;
}

.ingredient-card h3 {
    margin-bottom: 1rem;
    color: #1e293b;
}

.ingredient-card p {
    margin-bottom: 1.5rem;
    color: #64748b;
}

.ingredient-image {
    width: 100%;
    height: auto;
    border-radius: 12px;
    margin-top: 1rem;
}

.ingredients-note {
    text-align: center;
    margin-top: 3rem;
    padding: 2rem;
    background: white;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

/* Usage Section */
.usage-section {
    padding: 4rem 0;
    background: white;
}

.usage-section .section-title {
    text-align: center;
    margin-bottom: 3rem;
}

.usage-section .section-subtitle {
    text-align: center;
    margin-bottom: 3rem;
    color: #64748b;
    font-size: 18px;
}

.usage-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.step {
    text-align: center;
    padding: 2rem;
    background: #f8fafc;
    border-radius: 16px;
    border: 1px solid #e2e8f0;
    transition: all 0.3s ease;
}

.step:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.step-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 700;
    margin: 0 auto 1.5rem auto;
}

.step h3 {
    margin-bottom: 1rem;
    color: #1e293b;
}

.step p {
    color: #64748b;
    line-height: 1.6;
}

.usage-conclusion {
    text-align: center;
    margin-top: 3rem;
    padding: 2rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 16px;
}

.usage-conclusion p {
    color: white;
    font-size: 18px;
    font-weight: 500;
}

/* Reviews Section */
.reviews-section {
    padding: 4rem 0;
    background: #f8fafc;
}

.reviews-section .section-title {
    text-align: center;
    margin-bottom: 3rem;
}

.reviews-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.review-card {
    background: white;
    padding: 2rem;
    border-radius: 16px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.review-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
}

.stars {
    font-size: 24px;
    margin-bottom: 1rem;
}

.review-card p {
    margin-bottom: 1.5rem;
    color: #64748b;
    font-style: italic;
    line-height: 1.6;
}

.reviewer {
    color: #667eea;
    font-weight: 600;
}

/* FAQ Section */
.faq-section {
    padding: 4rem 0;
    background: white;
}

.faq-section .section-title {
    text-align: center;
    margin-bottom: 3rem;
}

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

.faq-item {
    margin-bottom: 2rem;
    padding: 2rem;
    background: #f8fafc;
    border-radius: 16px;
    border: 1px solid #e2e8f0;
    transition: all 0.3s ease;
}

.faq-item:hover {
    border-color: #667eea;
    box-shadow: 0 4px 20px rgba(102, 126, 234, 0.1);
}

.faq-item h3 {
    margin-bottom: 1rem;
    color: #1e293b;
    cursor: pointer;
}

.faq-item p {
    color: #64748b;
    line-height: 1.6;
}

/* Footer */
.footer {
    background: #1e293b;
    color: white;
    padding: 3rem 0 1rem 0;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3 {
    color: white;
    margin-bottom: 1rem;
    font-size: 20px;
}

.footer-section p {
    color: #cbd5e1;
    margin-bottom: 0.5rem;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #334155;
    max-width: 1200px;
    margin: 0 auto;
    padding-left: 20px;
    padding-right: 20px;
}

.footer-bottom p {
    color: #94a3b8;
    font-size: 14px;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-title {
        font-size: 32px;
    }
    
    .hero-slogan {
        font-size: 20px;
    }
    
    .product-grid {
        grid-template-columns: 1fr;
    }
    
    .product-images {
        position: static;
    }
    
    .nav-links {
        display: none;
    }
    
    .logo {
        font-size: 24px;
    }
    
    .logo-icon {
        width: 32px;
        height: 32px;
        font-size: 16px;
        line-height: 32px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero {
        padding: 2rem 0;
    }
    
    .hero-title {
        font-size: 28px;
    }
    
    .product-details {
        padding: 1.5rem;
    }
    
    .step {
        padding: 1.5rem;
    }
    
    .ingredient-card {
        padding: 1.5rem;
    }
}

/* Payment Result Styles */
.payment-result {
    text-align: center;
    padding: 60px 20px;
    margin: 20px auto;
    max-width: 600px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.payment-result .success-icon,
.payment-result .error-icon {
    font-size: 4rem;
    margin-bottom: 20px;
}

.payment-result h2 {
    margin-bottom: 15px;
    font-size: 2rem;
}

.payment-result p {
    color: #64748b;
    font-size: 1.1rem;
    margin-bottom: 25px;
}

.order-details {
    background: #f8f9fa;
    padding: 25px;
    border-radius: 10px;
    margin-top: 20px;
    text-align: left;
}

.order-details h3 {
    color: #333;
    margin-bottom: 15px;
    font-size: 1.3rem;
}

.order-details p {
    margin-bottom: 10px;
    color: #333;
}

.check-status-btn {
    display: inline-block;
    background: #007bff;
    color: white;
    padding: 12px 25px;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    margin-top: 15px;
    transition: background 0.3s;
}

.check-status-btn:hover {
    background: #0056b3;
    color: white;
}

.retry-btn {
    background: #dc3545;
    color: white;
    border: none;
    padding: 12px 25px;
    border-radius: 8px;
    font-size: 1rem;
    cursor: pointer;
    transition: background 0.3s;
}

.retry-btn:hover {
    background: #c82333;
}