/* Main Styles */

/* Variables */
:root {
    --color-primary: #1E2A38;
    --color-secondary: #D4D6F4;
    --color-accent: #6b4fbb;
    --color-light: #f8f9fa;
    --color-text: #333;
    --color-white: #FFFFFF;
    --color-success: #4CAF50;
    --color-warning: #FF9800;
    --color-error: #F44336;
    --color-gray: #757575;
    --color-lightgray: #e9ecef;
    --color-amazon: #FF9900;

    --font-primary: 'Open Sans', sans-serif;
    
    --border-radius: 50px;
    --box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;

    --container-width: 1200px;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 8rem;
}

/* Base Styles */
body {
    font-family: var(--font-primary);
    color: var(--color-text);
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

h1 {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
}

h2 {
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
}

h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

p {
    margin-bottom: var(--spacing-md);
}

.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

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

section {
    padding: var(--spacing-lg) 0;
}

/* Header */
#header {
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: var(--spacing-sm) 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--box-shadow);
}

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

.logo h2 {
    margin-bottom: 0.2rem;
    font-weight: 700;
    color: var(--color-secondary);
}

.logo p {
    font-size: 0.9rem;
    margin-bottom: 0;
    color: var(--color-white);
    opacity: 0.9;
}

nav {
    display: flex;
    gap: var(--spacing-md);
}

nav a {
    color: var(--color-white);
    font-weight: 500;
    position: relative;
    transition: var(--transition);
}

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

nav a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background-color: var(--color-secondary);
    transition: var(--transition);
}

nav a:hover::after {
    width: 100%;
}

/* Hero Section */
#hero {
    background-color: var(--color-primary);
    color: var(--color-white);
    position: relative;
    padding: var(--spacing-xl) 0;
}

#hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: linear-gradient(135deg, rgba(30, 42, 56, 0.95), rgba(30, 42, 56, 0.85));
    z-index: 1;
}

#hero .container {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-lg);
}

.hero-content {
    flex: 1;
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
    animation: float 4s ease-in-out infinite;
}

@keyframes float {
    0% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-10px);
    }
    100% {
        transform: translateY(0px);
    }
}

.product-main-image {
    max-height: 400px;
    object-fit: contain;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

/* Introduction SEO */
.seo-intro {
    font-size: 1.1rem;
    line-height: 1.7;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.seo-intro strong {
    color: var(--color-primary);
}

/* Product Section */
.product-content {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-md);
}

.product-image, .product-details {
    flex: 1;
}

.product-benefits {
    margin-bottom: var(--spacing-md);
}

.product-benefits li {
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: flex-start;
}

.product-benefits .icon {
    color: var(--color-success);
    font-weight: 700;
    margin-right: var(--spacing-sm);
    flex-shrink: 0;
}

.product-price {
    display: flex;
    align-items: center;
    margin-bottom: var(--spacing-md);
    gap: var(--spacing-sm);
}

.old-price {
    color: var(--color-gray);
    text-decoration: line-through;
    font-size: 1.1rem;
}

.current-price {
    color: var(--color-primary);
    font-size: 2rem;
    font-weight: 700;
}

.save-price {
    background-color: var(--color-secondary);
    color: var(--color-primary);
    padding: 0.2rem 0.5rem;
    border-radius: var(--border-radius);
    font-size: 0.8rem;
    font-weight: 600;
}

.expedition {
    font-size: 0.9rem;
    color: var(--color-gray);
    margin-top: var(--spacing-sm);
}

.product-bottle-image {
    border-radius: 10px;
    transition: transform 0.3s ease;
}

.product-bottle-image:hover {
    transform: scale(1.05);
}

/* CTA Buttons */
.cta-button {
    display: inline-block;
    background-color: var(--color-accent);
    color: var(--color-white);
    padding: 0.8rem 1.8rem;
    border-radius: var(--border-radius);
    font-weight: 600;
    transition: var(--transition);
    box-shadow: 0 4px 10px rgba(107, 79, 187, 0.3);
    text-align: center;
}

.cta-button:hover {
    background-color: #5b3dab;
    transform: translateY(-3px);
    box-shadow: 0 7px 15px rgba(107, 79, 187, 0.4);
}

.cta-large {
    padding: 1rem 2rem;
    font-size: 1.2rem;
}

/* Expert Review Section */
.expert-content {
    display: flex;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-md);
}

.expert-image {
    flex: 0 0 150px;
    display: flex;
    justify-content: center;
    align-items: flex-start;
}

.avatar-circle {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background-color: var(--color-primary);
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--color-white);
    font-size: 2rem;
    font-weight: 700;
    box-shadow: var(--box-shadow);
}

.expert-text {
    flex: 1;
}

.expert-text h3 {
    color: var(--color-primary);
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-xs);
}

.expert-text h3:first-child {
    margin-top: 0;
}

/* Comparison Section */
.comparison-table {
    margin-top: var(--spacing-md);
    overflow-x: auto;
}

table {
    width: 100%;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--box-shadow);
}

th, td {
    padding: var(--spacing-sm);
    text-align: left;
    border-bottom: 1px solid var(--color-lightgray);
}

th {
    background-color: var(--color-primary);
    color: var(--color-white);
}

tr:nth-child(even) {
    background-color: var(--color-light);
}

tr:last-child td {
    border-bottom: none;
}

/* Gallery Section */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.gallery-item {
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.gallery-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
}

.gallery-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: var(--transition);
}

.gallery-item:hover .gallery-image {
    transform: scale(1.05);
}

/* Testimonials Section */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.testimonial-card {
    background-color: var(--color-white);
    border-radius: 10px;
    padding: var(--spacing-md);
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.testimonial-rating {
    color: var(--color-amazon);
    font-size: 1.2rem;
    margin-bottom: var(--spacing-sm);
}

.star-empty {
    opacity: 0.5;
}

.testimonial-text {
    font-style: italic;
    margin-bottom: var(--spacing-sm);
}

.testimonial-author {
    font-weight: 600;
    text-align: right;
    color: var(--color-primary);
    margin-bottom: 0;
}

/* FAQ Section */
.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-md);
}

.faq-item h3 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
    position: relative;
    display: inline-block;
}

.faq-item h3::after {
    content: '';
    position: absolute;
    width: 50%;
    height: 2px;
    bottom: -5px;
    left: 0;
    background-color: var(--color-secondary);
}

.faq-item p {
    margin-bottom: 0;
}

/* CTA Final Section */
#cta-final {
    background-color: var(--color-primary);
    color: var(--color-white);
    text-align: center;
    padding: var(--spacing-xl) 0;
}

.cta-content {
    max-width: 700px;
    margin: 0 auto;
}

.cta-content p {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-md);
}

.cta-price {
    margin-top: var(--spacing-md);
    font-weight: 600;
    font-size: 1rem !important;
    color: var(--color-secondary);
}

/* Footer */
#footer {
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: var(--spacing-md) 0;
    text-align: center;
}

#footer .container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
}

.footer-links {
    display: flex;
    gap: var(--spacing-md);
}

.footer-links a {
    color: var(--color-secondary);
    font-size: 0.9rem;
    transition: var(--transition);
}

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

/* Responsive Styles */
@media (max-width: 768px) {
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.5rem;
    }
    
    #header .container {
        flex-direction: column;
        gap: var(--spacing-sm);
        text-align: center;
    }
    
    nav {
        justify-content: center;
    }
    
    #hero .container {
        flex-direction: column;
    }
    
    .hero-content {
        text-align: center;
    }
    
    .product-content {
        flex-direction: column;
    }
    
    .expert-content {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    
    .expert-text h3 {
        text-align: center;
    }
    
    .faq-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 576px) {
    section {
        padding: var(--spacing-md) 0;
    }
    
    .product-main-image {
        max-height: 300px;
    }
    
    .gallery-grid {
        grid-template-columns: 1fr;
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
    }

    .cta-button {
        width: 100%;
    }
}