/* ===========================================
   CSS Variables - Premium Wellness Aesthetic
   =========================================== */
:root {
    /* Sophisticated Green Palette */
    --color-primary: #3a5f4a;
    --color-primary-light: #5a8c6b;
    --color-primary-dark: #2a4435;
    --color-accent: #88b899;
    --color-accent-soft: #b4d4c1;
    --color-sage: #9cae95;
    --color-cream: #f8f6f3;
    
    /* Neutral Palette */
    --color-background: #fdfcfa;
    --color-surface: #ffffff;
    --color-surface-soft: #f9f8f6;
    --color-surface-accent: #f4f7f5;
    --color-border: #e8e6e3;
    --color-border-light: #f0eeeb;
    
    /* Text Colors */
    --color-text-primary: #2a332e;
    --color-text-secondary: #5a6862;
    --color-text-muted: #8a9590;
    --color-text-inverse: #ffffff;
    
    /* Accent Colors */
    --color-gold: #d4af37;
    --color-warm: #c9a98f;
    
    /* Typography */
    --font-display: 'Playfair Display', serif;
    --font-body: 'Raleway', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2.5rem;
    --spacing-xl: 3.5rem;
    --spacing-2xl: 5rem;
    
    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-soft: 0 2px 8px rgba(58, 95, 74, 0.06);
    --shadow-medium: 0 4px 16px rgba(58, 95, 74, 0.08);
    --shadow-strong: 0 8px 32px rgba(58, 95, 74, 0.12);
    --shadow-premium: 0 12px 48px rgba(58, 95, 74, 0.15);
    
    /* Transitions */
    --transition-quick: 200ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-smooth: 350ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-elegant: 600ms cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: var(--font-body);
    font-size: 17px;
    line-height: 1.7;
    color: var(--color-text-primary);
    background-color: var(--color-background);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

::selection {
    background: var(--color-accent-soft);
    color: var(--color-text-primary);
}

/* ===========================================
   Background Decorations
   =========================================== */
.bg-decoration {
    position: fixed;
    top: -10%;
    right: -10%;
    width: 40%;
    height: 40%;
    background: radial-gradient(circle, rgba(136, 184, 153, 0.08) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
    z-index: 0;
    animation: float 20s ease-in-out infinite;
}

.bg-decoration-2 {
    position: fixed;
    bottom: -15%;
    left: -15%;
    width: 50%;
    height: 50%;
    background: radial-gradient(circle, rgba(90, 140, 107, 0.06) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
    z-index: 0;
    animation: float 25s ease-in-out infinite reverse;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(-20px, -20px) scale(1.05); }
}

/* ===========================================
   Header
   =========================================== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid var(--color-border-light);
    padding: var(--spacing-lg) 0;
    box-shadow: var(--shadow-soft);
    animation: slideDown 0.6s ease-out;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
}

.header-ornament {
    width: 40px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
}

.header-title {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 600;
    color: var(--color-primary);
    text-align: center;
    letter-spacing: -0.02em;
    position: relative;
}

/* ===========================================
   Hero Section
   =========================================== */
.hero-section {
    padding: var(--spacing-2xl) 0 var(--spacing-xl);
    text-align: center;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

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

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

.hero-subtitle {
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: var(--spacing-sm);
}

.hero-title {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 600;
    line-height: 1.2;
    color: var(--color-primary-dark);
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.03em;
}

.hero-description {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
    font-weight: 300;
}

/* ===========================================
   Main Content
   =========================================== */
.main-content {
    position: relative;
    z-index: 1;
}

/* ===========================================
   Product Section
   =========================================== */
.product-section {
    padding: var(--spacing-xl) 0;
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

.product-container {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: var(--spacing-2xl);
    max-width: 1280px;
    margin: 0 auto;
    background: var(--color-surface);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-strong);
    border: 1px solid var(--color-border-light);
}

/* ===========================================
   Image Gallery
   =========================================== */
.product-gallery {
    position: relative;
}

.gallery-wrapper {
    position: relative;
}

.gallery-wrapper input[type="radio"] {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.gallery-images {
    position: relative;
    width: 100%;
    padding-bottom: 100%;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--color-surface-soft);
    box-shadow: var(--shadow-medium);
}

.gallery-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transform: scale(0.96);
    transition: opacity var(--transition-smooth), transform var(--transition-smooth);
    pointer-events: none;
}

.gallery-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--radius-lg);
}

#img1:checked ~ .gallery-images #image1,
#img2:checked ~ .gallery-images #image2,
#img3:checked ~ .gallery-images #image3,
#img4:checked ~ .gallery-images #image4 {
    opacity: 1;
    transform: scale(1);
    pointer-events: auto;
}

.gallery-controls {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-lg);
}

.gallery-control {
    position: relative;
    width: 56px;
    height: 56px;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-surface);
    cursor: pointer;
    transition: all var(--transition-quick);
    display: flex;
    align-items: center;
    justify-content: center;
}

.control-number {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-text-muted);
    transition: color var(--transition-quick);
}

.gallery-control:hover {
    border-color: var(--color-accent);
    transform: translateY(-3px);
    box-shadow: var(--shadow-soft);
}

.gallery-control:hover .control-number {
    color: var(--color-primary);
}

#img1:checked ~ .gallery-controls label:nth-child(1),
#img2:checked ~ .gallery-controls label:nth-child(2),
#img3:checked ~ .gallery-controls label:nth-child(3),
#img4:checked ~ .gallery-controls label:nth-child(4) {
    border-color: var(--color-primary);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    box-shadow: 0 4px 12px rgba(58, 95, 74, 0.2);
}

#img1:checked ~ .gallery-controls label:nth-child(1) .control-number,
#img2:checked ~ .gallery-controls label:nth-child(2) .control-number,
#img3:checked ~ .gallery-controls label:nth-child(3) .control-number,
#img4:checked ~ .gallery-controls label:nth-child(4) .control-number {
    color: var(--color-text-inverse);
}

/* ===========================================
   Product Info
   =========================================== */
.product-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.product-badge {
    display: inline-block;
    align-self: flex-start;
    padding: 0.5rem 1.25rem;
    background: linear-gradient(135deg, var(--color-surface-accent) 0%, var(--color-cream) 100%);
    border: 1px solid var(--color-accent-soft);
    border-radius: var(--radius-full);
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-primary);
}

.product-title {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 600;
    line-height: 1.2;
    color: var(--color-primary-dark);
    letter-spacing: -0.02em;
    margin-bottom: var(--spacing-sm);
}

.product-intro {
    font-size: 1.0625rem;
    line-height: 1.7;
    color: var(--color-text-secondary);
    padding: var(--spacing-md);
    background: var(--color-cream);
    border-left: 3px solid var(--color-accent);
    border-radius: var(--radius-sm);
    font-weight: 300;
}

.product-features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-md);
}

.feature-item {
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-start;
}

.feature-icon {
    font-size: 2rem;
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-surface-soft);
    border-radius: var(--radius-md);
}

.feature-content h3 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 0.5rem;
    letter-spacing: -0.01em;
}

.feature-content p {
    color: var(--color-text-secondary);
    line-height: 1.7;
    font-size: 0.9375rem;
}

.wellness-note {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: linear-gradient(135deg, rgba(136, 184, 153, 0.08) 0%, rgba(180, 212, 193, 0.08) 100%);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-accent-soft);
    margin-top: var(--spacing-md);
}

.note-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.wellness-note p {
    color: var(--color-text-secondary);
    line-height: 1.7;
    font-size: 0.9375rem;
    font-style: italic;
}

.health-context {
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--color-surface-soft);
    border-radius: var(--radius-sm);
    border-left: 3px solid var(--color-sage);
}

.health-context p {
    color: var(--color-text-secondary);
    line-height: 1.7;
    font-size: 0.9375rem;
}

.disclaimer-text {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    font-style: italic;
    line-height: 1.5;
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-border-light);
}

/* ===========================================
   Lifestyle Section
   =========================================== */
.lifestyle-section {
    padding: var(--spacing-2xl) 0;
    animation: fadeInUp 0.8s ease-out 0.6s both;
}

.lifestyle-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    padding: var(--spacing-xl);
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-medium);
    border: 1px solid var(--color-border-light);
}

.lifestyle-title {
    font-family: var(--font-display);
    font-size: 2.25rem;
    font-weight: 600;
    color: var(--color-primary-dark);
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.02em;
}

.lifestyle-text {
    font-size: 1.0625rem;
    line-height: 1.8;
    color: var(--color-text-secondary);
    font-weight: 300;
}

/* ===========================================
   CTA Section
   =========================================== */
.cta-section {
    padding: var(--spacing-2xl) 0;
    animation: fadeInUp 0.8s ease-out 0.8s both;
}

.cta-wrapper {
    text-align: center;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 1.5rem 3.5rem;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: var(--color-text-inverse);
    font-family: var(--font-body);
    font-size: 1.125rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-strong), 0 8px 28px rgba(58, 95, 74, 0.25);
    transition: all var(--transition-smooth);
    position: relative;
    overflow: hidden;
    letter-spacing: 0.02em;
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.25), transparent);
    transition: left var(--transition-elegant);
}

.cta-button:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-premium), 0 12px 40px rgba(58, 95, 74, 0.35);
}

.cta-button:hover::before {
    left: 100%;
}

.cta-arrow {
    font-size: 1.5rem;
    transition: transform var(--transition-smooth);
}

.cta-button:hover .cta-arrow {
    transform: translateX(5px);
}

.cta-note {
    margin-top: var(--spacing-md);
    font-size: 0.875rem;
    color: var(--color-text-muted);
    font-style: italic;
}

/* ===========================================
   Reviews Section
   =========================================== */
.reviews-section {
    padding: var(--spacing-2xl) 0;
    max-width: 1100px;
    margin: 0 auto;
    animation: fadeInUp 0.8s ease-out 1s both;
}

.reviews-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.reviews-title {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 600;
    color: var(--color-primary-dark);
    margin-bottom: var(--spacing-sm);
    letter-spacing: -0.02em;
}

.reviews-subtitle {
    font-size: 1.0625rem;
    color: var(--color-text-muted);
    font-weight: 300;
}

.reviews-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.review-card {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-soft);
    border: 1px solid var(--color-border-light);
    transition: all var(--transition-smooth);
}

.review-card:hover {
    box-shadow: var(--shadow-medium);
    transform: translateY(-2px);
}

.review-top {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.review-avatar-wrapper {
    flex-shrink: 0;
}

.review-avatar {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-full);
    object-fit: cover;
    border: 3px solid var(--color-border-light);
    box-shadow: var(--shadow-soft);
}

.review-header-info {
    flex: 1;
}

.review-author-name {
    font-weight: 600;
    font-size: 1rem;
    color: var(--color-primary);
    margin-bottom: 0.25rem;
}

.review-rating {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.25rem;
}

.stars-display {
    color: var(--color-gold);
    font-size: 1rem;
    letter-spacing: 3px;
}

.rating-text {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-text-secondary);
}

.review-headline {
    font-family: var(--font-display);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-sm);
    letter-spacing: -0.01em;
}

.review-metadata {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-md);
}

.review-separator {
    color: var(--color-border);
}

.review-verified {
    color: var(--color-accent);
    font-weight: 500;
}

.review-body {
    line-height: 1.7;
    color: var(--color-text-secondary);
}

/* ===========================================
   Trust Section
   =========================================== */
.trust-section {
    padding: var(--spacing-xl) 0 var(--spacing-2xl);
    animation: fadeInUp 0.8s ease-out 1.2s both;
}

.trust-content {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-xl);
    flex-wrap: wrap;
    max-width: 900px;
    margin: 0 auto;
    padding: var(--spacing-lg);
    background: var(--color-surface-soft);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border-light);
}

.trust-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.trust-icon {
    width: 28px;
    height: 28px;
    background: var(--color-primary);
    color: var(--color-text-inverse);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.875rem;
    font-weight: 700;
    flex-shrink: 0;
}

.trust-text {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-text-secondary);
}

/* ===========================================
   Footer
   =========================================== */
.site-footer {
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
    color: var(--color-text-inverse);
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
    margin-top: var(--spacing-2xl);
    position: relative;
    overflow: hidden;
}

.site-footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
}

.footer-main {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-brand-section {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-logo {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    letter-spacing: -0.01em;
}

.footer-tagline {
    font-size: 0.9375rem;
    opacity: 0.8;
    font-weight: 300;
}

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

.footer-links-title {
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    opacity: 0.9;
    margin-bottom: 0.5rem;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    font-size: 0.9375rem;
    transition: all var(--transition-quick);
    display: inline-block;
    position: relative;
}

.footer-links a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--color-accent-soft);
    transition: width var(--transition-smooth);
}

.footer-links a:hover {
    color: var(--color-text-inverse);
    transform: translateX(4px);
}

.footer-links a:hover::after {
    width: 100%;
}

.footer-bottom {
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.footer-disclaimer {
    font-size: 0.8125rem;
    line-height: 1.6;
    opacity: 0.7;
    font-weight: 300;
    text-align: center;
}

/* ===========================================
   Responsive Design - Mobile First
   =========================================== */

@media (max-width: 1024px) {
    .product-container {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
        padding: var(--spacing-xl);
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .product-title {
        font-size: 2rem;
    }
    
    .footer-main {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
}

@media (max-width: 768px) {
    :root {
        --spacing-2xl: 3.5rem;
        --spacing-xl: 2.5rem;
    }
    
    .hero-section {
        padding: var(--spacing-xl) 0 var(--spacing-lg);
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .product-container {
        padding: var(--spacing-lg);
        border-radius: var(--radius-lg);
    }
    
    .product-title {
        font-size: 1.75rem;
    }
    
    .feature-item {
        gap: var(--spacing-sm);
    }
    
    .feature-icon {
        width: 40px;
        height: 40px;
        font-size: 1.5rem;
    }
    
    .feature-content h3 {
        font-size: 1.125rem;
    }
    
    .lifestyle-title {
        font-size: 1.875rem;
    }
    
    .cta-button {
        width: 100%;
        max-width: 400px;
        padding: 1.25rem 2.5rem;
        font-size: 1rem;
    }
    
    .reviews-title {
        font-size: 2rem;
    }
    
    .review-card {
        padding: var(--spacing-md);
    }
    
    .review-avatar {
        width: 48px;
        height: 48px;
    }
    
    .trust-content {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .gallery-controls {
        gap: var(--spacing-xs);
    }
    
    .gallery-control {
        width: 48px;
        height: 48px;
    }
}

@media (max-width: 480px) {
    .header-title {
        font-size: 1.5rem;
    }
    
    .header-ornament {
        width: 24px;
    }
    
    .hero-title {
        font-size: 1.75rem;
    }
    
    .product-title {
        font-size: 1.5rem;
    }
    
    .product-badge {
        font-size: 0.75rem;
        padding: 0.4rem 1rem;
    }
    
    .feature-content h3 {
        font-size: 1rem;
    }
    
    .feature-content p {
        font-size: 0.875rem;
    }
    
    .lifestyle-content {
        padding: var(--spacing-lg);
    }
    
    .lifestyle-title {
        font-size: 1.5rem;
    }
    
    .lifestyle-text {
        font-size: 0.9375rem;
    }
    
    .cta-button {
        padding: 1.125rem 2rem;
        font-size: 0.9375rem;
    }
    
    .reviews-title {
        font-size: 1.75rem;
    }
    
    .review-headline {
        font-size: 1rem;
    }
    
    .footer-main {
        text-align: center;
    }
    
    .footer-links {
        align-items: center;
    }
}

/* ===========================================
   Print Styles
   =========================================== */
@media print {
    .bg-decoration,
    .bg-decoration-2,
    .gallery-controls,
    .cta-section,
    .site-footer {
        display: none;
    }
    
    .product-container {
        box-shadow: none;
        border: 1px solid var(--color-border);
    }
}