/**
 * ============================================================================
 * PREMIUM STYLESHEET FOR PRODUCT LANDING PAGE
 * Theme: Deep Blue Wellness
 * Architecture: Pure CSS, Mobile-First, No JS Required
 * ============================================================================
 */

/* ==========================================================================
   CSS VARIABLES MATRIX
   Strict adherence to the blue color palette (from light ice to deep slate blue).
   ========================================================================== */
:root {
    /* Base Palette: Blues */
    --color-blue-50: #eff6ff;
    --color-blue-100: #dbeafe;
    --color-blue-200: #bfdbfe;
    --color-blue-300: #93c5fd;
    --color-blue-400: #60a5fa;
    --color-blue-500: #3b82f6; /* Primary Accent */
    --color-blue-600: #2563eb;
    --color-blue-700: #1d4ed8;
    --color-blue-800: #1e40af;
    --color-blue-900: #1e3a8a; /* Primary Dark */
    --color-blue-950: #172554;

    /* Neutrals tuned to blue context */
    --color-bg-main: #f8fafc;
    --color-surface: #ffffff;
    --color-text-main: #0f172a;
    --color-text-muted: #475569;
    --color-text-light: #94a3b8;
    --color-border: #e2e8f0;
    --color-border-subtle: #f1f5f9;

    /* Specific functional colors mapped to blue palette */
    --color-stars: #3b82f6; /* Bright blue for stars as requested to stay in palette */
    --color-verified: #0284c7; /* Distinct blue for verified */
    --color-check-bg: #eff6ff;
    --color-check-icon: #2563eb;
    
    /* Layout Variables */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 32px;
    --radius-pill: 9999px;
    
    /* Shadows - Layered & Deep */
    --shadow-soft-1: 0 4px 6px -1px rgba(30, 58, 138, 0.05), 0 2px 4px -2px rgba(30, 58, 138, 0.05);
    --shadow-soft-2: 0 10px 15px -3px rgba(30, 58, 138, 0.08), 0 4px 6px -4px rgba(30, 58, 138, 0.04);
    --shadow-soft-3: 0 20px 25px -5px rgba(30, 58, 138, 0.1), 0 8px 10px -6px rgba(30, 58, 138, 0.05);
    --shadow-glow: 0 0 30px rgba(59, 130, 246, 0.15);
    --shadow-inner-glow: inset 0 2px 4px 0 rgba(255, 255, 255, 0.5);
    --shadow-card: 0 24px 48px -12px rgba(23, 37, 84, 0.15);

    /* Transitions & Animations */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.22, 1, 0.36, 1);
    
    /* Typography */
    --font-primary: 'Inter', system-ui, -apple-system, sans-serif;
}

/* ==========================================================================
   GLOBAL RESET & BASE STYLES
   ========================================================================== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-family: var(--font-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.page-body {
    background-color: var(--color-bg-main);
    color: var(--color-text-main);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
    min-height: 100vh;
}

/* ==========================================================================
   DECORATIVE BACKGROUND ELEMENTS (CSS Shapes & Blobs)
   ========================================================================== */
.bg-shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    z-index: 0;
    pointer-events: none;
    opacity: 0.4;
}

.bg-shape-1 {
    top: -10%;
    left: -10%;
    width: 60vw;
    height: 60vw;
    background: radial-gradient(circle, var(--color-blue-100) 0%, transparent 70%);
    animation: float 20s ease-in-out infinite alternate;
}

.bg-shape-2 {
    top: 20%;
    right: -20%;
    width: 70vw;
    height: 70vw;
    background: radial-gradient(circle, var(--color-blue-50) 0%, transparent 70%);
    animation: floatReverse 25s ease-in-out infinite alternate;
}

.bg-shape-3 {
    bottom: 10%;
    left: 20%;
    width: 50vw;
    height: 50vw;
    background: radial-gradient(circle, var(--color-blue-100) 0%, transparent 60%);
    opacity: 0.3;
}

.bg-pattern-overlay {
    position: absolute;
    inset: 0;
    z-index: 0;
    opacity: 0.03;
    pointer-events: none;
    background-image: radial-gradient(var(--color-blue-900) 1px, transparent 1px);
    background-size: 32px 32px;
}

/* Animations for backgrounds */
@keyframes float {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(5%, 5%) scale(1.1); }
}

@keyframes floatReverse {
    0% { transform: translate(0, 0) scale(1.1); }
    100% { transform: translate(-5%, -5%) scale(1); }
}

/* ==========================================================================
   HEADER SECTION
   ========================================================================== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background-color: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-soft-1);
    transition: var(--transition-base);
}

.header-inner {
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.header-content-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    position: relative;
}

.header-brand-center {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.header-badge {
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 700;
    color: var(--color-blue-600);
    background-color: var(--color-blue-50);
    padding: 2px 8px;
    border-radius: var(--radius-pill);
    margin-bottom: 4px;
    border: 1px solid var(--color-blue-100);
}

.header-brand-title {
    font-size: 1rem;
    font-weight: 800;
    color: var(--color-blue-950);
    letter-spacing: -0.02em;
    text-align: center;
}

/* Header Decorative Lines */
.header-dec-line {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    align-items: center;
    gap: 8px;
}

.header-dec-left { left: 0; }
.header-dec-right { right: 0; flex-direction: row-reverse; }

.dec-dot {
    width: 6px;
    height: 6px;
    background-color: var(--color-blue-400);
    border-radius: 50%;
    box-shadow: 0 0 8px var(--color-blue-300);
}

.dec-line-gradient-left {
    width: 60px;
    height: 2px;
    background: linear-gradient(to left, var(--color-blue-200), transparent);
}

.dec-line-gradient-right {
    width: 60px;
    height: 2px;
    background: linear-gradient(to right, var(--color-blue-200), transparent);
}

.header-progress-bar {
    height: 2px;
    background: linear-gradient(to right, var(--color-blue-400), var(--color-blue-600));
    width: 100%;
    opacity: 0.8;
}

/* ==========================================================================
   MAIN LAYOUT & HERO SECTION
   ========================================================================== */
.site-main {
    padding-top: 40px;
    padding-bottom: 80px;
}

/* Product Card - The visual centerpiece */
.product-card-premium {
    background-color: var(--color-surface);
    border-radius: var(--radius-xl);
    padding: 24px;
    box-shadow: var(--shadow-card);
    position: relative;
    border: 1px solid var(--color-surface);
    background-clip: padding-box;
}

/* Gradient border trick using pseudo-element */
.product-card-premium::before {
    content: "";
    position: absolute;
    inset: -2px;
    border-radius: calc(var(--radius-xl) + 2px);
    background: linear-gradient(135deg, var(--color-blue-200), var(--color-blue-50), var(--color-blue-300));
    z-index: -1;
    opacity: 0.5;
}

/* Decorative Card Glows */
.card-glow-corner {
    position: absolute;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, var(--color-blue-50) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
    z-index: 1;
}

.corner-tl { top: -50px; left: -50px; }
.corner-br { bottom: -50px; right: -50px; }


/* ==========================================================================
   PURE CSS GALLERY SYSTEM
   ========================================================================== */
.gallery-container {
    display: flex;
    flex-direction: column;
    gap: 16px;
    position: relative;
    z-index: 10;
}

/* Hide Radio Buttons */
.gallery-controller {
    display: none;
}

/* Main Display Box */
.gallery-main-display {
    aspect-ratio: 4/4;
    background-color: var(--color-bg-main);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border-subtle);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-inner-glow), var(--shadow-soft-1);
    display: flex;
    align-items: center;
    justify-content: center;
}

.gallery-overlay-badge {
    position: absolute;
    top: 16px;
    left: 16px;
    z-index: 20;
    background-color: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(4px);
    color: var(--color-blue-800);
    font-size: 0.75rem;
    font-weight: 700;
    padding: 6px 12px;
    border-radius: var(--radius-pill);
    box-shadow: var(--shadow-soft-1);
    display: flex;
    align-items: center;
    gap: 6px;
    border: 1px solid var(--color-blue-100);
}

.badge-icon {
    width: 14px;
    height: 14px;
    color: var(--color-blue-500);
}

/* Individual Slides */
.gallery-slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    visibility: hidden;
    transform: scale(0.95);
    transition: all 0.5s cubic-bezier(0.22, 1, 0.36, 1);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    background-color: var(--color-surface);
}

.slide-inner-frame {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.slide-image {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    filter: drop-shadow(0 10px 15px rgba(0,0,0,0.05));
    transition: transform 0.8s ease-out;
}

/* Main Image Hover Effect */
.gallery-slide:hover .slide-image {
    transform: scale(1.05);
}

/* CSS Logic: Link Radios to Slides */
#gal-img-1:checked ~ .gallery-main-display .slide-1,
#gal-img-2:checked ~ .gallery-main-display .slide-2,
#gal-img-3:checked ~ .gallery-main-display .slide-3,
#gal-img-4:checked ~ .gallery-main-display .slide-4 {
    opacity: 1;
    visibility: visible;
    transform: scale(1);
    z-index: 10;
}

/* Thumbnails Grid */
.gallery-thumbnails {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
}

.thumb-label {
    cursor: pointer;
    display: block;
    position: relative;
}

.thumb-inner {
    display: flex;
    align-items: center;
    justify-content: center;
    aspect-ratio: 1/1;
    background-color: var(--color-surface);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 8px;
    position: relative;
    overflow: hidden;
    transition: var(--transition-base);
}

.thumb-image {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    transition: var(--transition-base);
    position: relative;
    z-index: 2;
}

.thumb-overlay {
    position: absolute;
    inset: 0;
    background-color: var(--color-blue-500);
    opacity: 0;
    transition: var(--transition-base);
    z-index: 1;
    mix-blend-mode: overlay;
}

/* Thumbnail Hover States */
.thumb-label:hover .thumb-inner {
    border-color: var(--color-blue-300);
    transform: translateY(-2px);
    box-shadow: var(--shadow-soft-1);
}

.thumb-label:hover .thumb-image {
    transform: scale(1.1);
}

/* CSS Logic: Active Thumbnail Styling */
#gal-img-1:checked ~ .gallery-thumbnails .thumb-1 .thumb-inner,
#gal-img-2:checked ~ .gallery-thumbnails .thumb-2 .thumb-inner,
#gal-img-3:checked ~ .gallery-thumbnails .thumb-3 .thumb-inner,
#gal-img-4:checked ~ .gallery-thumbnails .thumb-4 .thumb-inner {
    border-color: var(--color-blue-600);
    box-shadow: 0 0 0 4px var(--color-blue-100);
}

#gal-img-1:checked ~ .gallery-thumbnails .thumb-1 .thumb-overlay,
#gal-img-2:checked ~ .gallery-thumbnails .thumb-2 .thumb-overlay,
#gal-img-3:checked ~ .gallery-thumbnails .thumb-3 .thumb-overlay,
#gal-img-4:checked ~ .gallery-thumbnails .thumb-4 .thumb-overlay {
    opacity: 0.1;
}

/* ==========================================================================
   PRODUCT DETAILS & TYPOGRAPHY
   ========================================================================== */
.product-info-container {
    display: flex;
    flex-direction: column;
    gap: 24px;
    position: relative;
    z-index: 10;
}

.info-header-block {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.category-tags {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
}

.tag-item {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-blue-700);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.tag-dot {
    width: 4px;
    height: 4px;
    background-color: var(--color-blue-300);
    border-radius: 50%;
}

.main-product-title {
    font-size: 1.75rem;
    font-weight: 900;
    color: var(--color-blue-950);
    line-height: 1.2;
    letter-spacing: -0.03em;
}

.title-underline-decoration {
    display: flex;
    flex-direction: column;
    gap: 4px;
    margin-top: 8px;
    width: 80px;
}

.underline-core {
    height: 4px;
    background: linear-gradient(90deg, var(--color-blue-600), var(--color-blue-300));
    border-radius: var(--radius-pill);
}

.underline-glow {
    height: 2px;
    background: var(--color-blue-200);
    border-radius: var(--radius-pill);
    width: 60%;
    margin-left: 10%;
}

/* Features List Styling */
.features-list-wrapper {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.features-section-title {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--color-blue-900);
    display: flex;
    align-items: center;
    gap: 8px;
    border-bottom: 2px solid var(--color-blue-50);
    padding-bottom: 8px;
}

.section-icon {
    width: 24px;
    height: 24px;
    color: var(--color-blue-500);
}

.premium-features-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.feature-item {
    display: flex;
    gap: 16px;
    background-color: var(--color-surface);
    padding: 16px;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border-subtle);
    box-shadow: var(--shadow-soft-1);
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.feature-item::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background-color: var(--color-blue-400);
    transform: scaleY(0);
    transform-origin: center;
    transition: var(--transition-base);
}

.feature-item:hover {
    box-shadow: var(--shadow-soft-2);
    border-color: var(--color-blue-200);
    transform: translateX(4px);
}

.feature-item:hover::before {
    transform: scaleY(1);
}

.feature-icon-wrapper {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    background-color: var(--color-check-bg);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.check-icon {
    width: 18px;
    height: 18px;
    color: var(--color-check-icon);
}

.feature-content {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.feature-highlight {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--color-blue-900);
    display: block;
}

.feature-text {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    line-height: 1.6;
}

/* Wellness Information Block */
.wellness-info-block {
    background: linear-gradient(145deg, var(--color-blue-50), var(--color-surface));
    border: 1px solid var(--color-blue-200);
    border-radius: var(--radius-lg);
    padding: 24px;
    position: relative;
    overflow: hidden;
    margin-top: 16px;
}

.wellness-bg-icon {
    position: absolute;
    right: -20px;
    bottom: -20px;
    width: 120px;
    height: 120px;
    color: var(--color-blue-100);
    opacity: 0.5;
    z-index: 0;
    transform: rotate(-15deg);
}

.wellness-title {
    font-size: 1rem;
    font-weight: 800;
    color: var(--color-blue-800);
    margin-bottom: 8px;
    position: relative;
    z-index: 1;
}

.wellness-text {
    font-size: 0.85rem;
    color: var(--color-blue-900);
    line-height: 1.6;
    position: relative;
    z-index: 1;
}

.wellness-text strong {
    color: var(--color-blue-700);
}

/* ==========================================================================
   CTA MASTER SECTION (The prominent action area)
   ========================================================================== */
.cta-master-section {
    padding: 40px 0;
    position: relative;
    z-index: 20;
}

.cta-inner-container {
    background: linear-gradient(135deg, var(--color-blue-800), var(--color-blue-950));
    border-radius: var(--radius-xl);
    padding: 48px 24px;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-card), 0 20px 40px rgba(30, 58, 138, 0.4);
    display: flex;
    justify-content: center;
}

/* Decorative background blobs for CTA */
.cta-blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    opacity: 0.5;
}

.cta-blob-1 {
    width: 300px;
    height: 300px;
    background-color: var(--color-blue-500);
    top: -100px;
    left: -100px;
}

.cta-blob-2 {
    width: 250px;
    height: 250px;
    background-color: var(--color-blue-400);
    bottom: -80px;
    right: -80px;
}

.cta-content-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    max-width: 600px;
}

.cta-subtitle {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--color-blue-200);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.cta-title {
    font-size: 2rem;
    font-weight: 900;
    color: var(--color-surface);
    line-height: 1.1;
    letter-spacing: -0.02em;
    margin-bottom: 16px;
}

.cta-button-wrapper {
    width: 100%;
    display: flex;
    justify-content: center;
}

/* The Button itself */
.btn-premium-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    width: 100%;
    max-width: 400px;
    padding: 20px 32px;
    background: linear-gradient(to bottom, var(--color-blue-400), var(--color-blue-600));
    color: var(--color-surface);
    text-decoration: none;
    font-size: 1.25rem;
    font-weight: 800;
    border-radius: var(--radius-pill);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2), inset 0 2px 0 rgba(255, 255, 255, 0.3);
    border: 1px solid var(--color-blue-500);
    position: relative;
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    transform-origin: center;
}

/* Button Hover State */
.btn-premium-cta:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3), inset 0 2px 0 rgba(255, 255, 255, 0.4);
    background: linear-gradient(to bottom, var(--color-blue-300), var(--color-blue-500));
    color: var(--color-surface);
}

/* Button Focus/Active */
.btn-premium-cta:active {
    transform: translateY(1px) scale(0.98);
    box-shadow: 0 5px 10px rgba(0, 0, 0, 0.2);
}

.btn-premium-cta:focus-visible {
    outline: none;
    box-shadow: 0 0 0 4px var(--color-surface), 0 0 0 8px var(--color-blue-400);
}

/* Button Text and Icon */
.btn-text {
    position: relative;
    z-index: 2;
    text-shadow: 0 1px 2px rgba(0,0,0,0.2);
}

.btn-icon {
    width: 24px;
    height: 24px;
    position: relative;
    z-index: 2;
    transition: transform 0.3s ease;
}

.btn-premium-cta:hover .btn-icon {
    transform: translateX(4px);
}

/* Continuous CSS Shine Animation on Button */
.btn-shine {
    position: absolute;
    top: 0;
    left: -100%;
    width: 50%;
    height: 100%;
    background: linear-gradient(to right, rgba(255,255,255,0) 0%, rgba(255,255,255,0.4) 50%, rgba(255,255,255,0) 100%);
    transform: skewX(-25deg);
    animation: shineEffect 5s infinite;
    z-index: 1;
}

@keyframes shineEffect {
    0% { left: -100%; }
    20% { left: 200%; }
    100% { left: 200%; }
}

.cta-trust-badges {
    display: flex;
    gap: 24px;
    margin-top: 16px;
}

.trust-badge {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-blue-100);
}

.trust-badge svg {
    width: 18px;
    height: 18px;
    color: var(--color-blue-300);
}

/* ==========================================================================
   REVIEWS SECTION (Amazon style optimized)
   ========================================================================== */
.reviews-section {
    padding: 40px 0;
}

.reviews-container {
    background-color: var(--color-surface);
    border-radius: var(--radius-xl);
    padding: 32px;
    box-shadow: var(--shadow-soft-2);
    border: 1px solid var(--color-border);
}

.reviews-header {
    display: flex;
    flex-direction: column;
    gap: 8px;
    border-bottom: 2px solid var(--color-border-subtle);
    padding-bottom: 24px;
    margin-bottom: 32px;
}

.reviews-main-title {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--color-blue-950);
}

.reviews-summary {
    display: flex;
    align-items: center;
    gap: 12px;
}

.stars-aggregate {
    font-size: 1.25rem;
    color: var(--color-stars);
    letter-spacing: -2px;
}

.summary-text {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text-muted);
}

/* Vertical Feed strictly */
.reviews-vertical-feed {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

/* Individual Review Block */
.review-block {
    border-bottom: 1px solid var(--color-border-subtle);
    padding-bottom: 32px;
    transition: var(--transition-base);
}

.review-block:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.review-inner {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 16px;
    border-radius: var(--radius-lg);
    transition: var(--transition-base);
}

/* Hover effect for reviews without strict borders */
.review-block:hover .review-inner {
    background-color: var(--color-blue-50);
    transform: translateX(8px);
}

.review-user-info {
    display: flex;
    align-items: center;
    gap: 16px;
}

.review-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    overflow: hidden;
    background-color: var(--color-blue-100);
    flex-shrink: 0;
    box-shadow: var(--shadow-soft-1);
    border: 2px solid var(--color-surface);
}

.review-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.review-meta-top {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.review-author {
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-blue-900);
}

.review-rating-title {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.review-stars {
    font-size: 1rem;
    color: var(--color-stars);
    letter-spacing: -1px;
    line-height: 1;
}

.review-title-text {
    font-size: 1rem;
    font-weight: 800;
    color: var(--color-blue-950);
    line-height: 1.3;
}

.review-meta-sub {
    font-size: 0.85rem;
    color: var(--color-text-light);
}

.review-purchase-badge {
    font-size: 0.85rem;
    font-weight: 600;
}

.review-specs {
    color: var(--color-text-muted);
}

.verified-text {
    color: var(--color-verified);
}

.review-body {
    font-size: 0.95rem;
    color: var(--color-text-main);
    line-height: 1.6;
    margin-top: 8px;
}

/* Attached Photo */
.review-attached-photo {
    margin-top: 12px;
    width: 100px;
    height: 100px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    border: 1px solid var(--color-border);
    cursor: pointer;
    transition: var(--transition-base);
}

.review-attached-photo:hover {
    transform: scale(1.05);
    border-color: var(--color-blue-400);
    box-shadow: var(--shadow-soft-1);
}

.review-attached-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Utility for spacing inside reviews */
.mt-3 {
    margin-top: 12px;
}
.font-semibold {
    font-weight: 600;
}

/* ==========================================================================
   FOOTER SECTION
   ========================================================================== */
.site-footer {
    background-color: var(--color-blue-950);
    position: relative;
    margin-top: 60px;
}

.footer-top-border {
    height: 4px;
    background: linear-gradient(90deg, var(--color-blue-700), var(--color-blue-400), var(--color-blue-700));
}

.footer-inner {
    padding-top: 48px;
    padding-bottom: 48px;
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.footer-brand-col {
    display: flex;
    flex-direction: column;
    gap: 8px;
    align-items: center;
    text-align: center;
}

.footer-logo-text {
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--color-surface);
    letter-spacing: -0.02em;
}

.footer-desc {
    color: var(--color-blue-300);
    font-size: 0.9rem;
}

.footer-links-col {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 16px;
}

.footer-links-title {
    color: var(--color-blue-100);
    font-size: 1rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.footer-links-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-link {
    color: var(--color-blue-300);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: var(--transition-fast);
    padding: 4px 8px;
    border-radius: var(--radius-sm);
}

.footer-link:hover {
    color: var(--color-surface);
    background-color: rgba(255, 255, 255, 0.05);
}

.footer-copyright {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 24px;
    text-align: center;
    color: var(--color-blue-400);
    font-size: 0.85rem;
}

/* ==========================================================================
   MEDIA QUERIES (Mobile-First approach overrides)
   ========================================================================== */

/* Very small devices (320px +) */
@media screen and (min-width: 320px) {
    .main-product-title { font-size: 1.5rem; }
    .cta-title { font-size: 1.6rem; }
    .product-card-premium { padding: 16px; }
}

/* Standard Mobile (375px +) */
@media screen and (min-width: 375px) {
    .main-product-title { font-size: 1.65rem; }
    .cta-title { font-size: 1.8rem; }
    .gallery-main-display { padding: 16px; }
    .review-user-info { flex-direction: row; align-items: center; }
}

/* Wide Mobile (480px +) */
@media screen and (min-width: 480px) {
    .btn-premium-cta { padding: 22px 36px; font-size: 1.35rem; }
    .product-card-premium { padding: 24px; }
    .footer-links-list { flex-direction: row; gap: 24px; flex-wrap: wrap; justify-content: center; }
}

/* Tablets (768px +) */
@media screen and (min-width: 768px) {
    .site-main { padding-top: 60px; padding-bottom: 100px; }
    
    .product-card-premium { padding: 32px; border-radius: 40px; }
    .product-card-premium::before { border-radius: 42px; }
    
    .main-product-title { font-size: 2rem; }
    
    .gallery-main-display { aspect-ratio: 16/11; }
    
    .cta-inner-container { padding: 64px 32px; }
    .cta-title { font-size: 2.25rem; }
    
    .reviews-container { padding: 48px; }
    .review-rating-title { flex-direction: row; align-items: baseline; gap: 12px; }
    .review-title-text { font-size: 1.1rem; }
    
    .footer-inner { flex-direction: row; justify-content: space-between; align-items: flex-start; text-align: left; }
    .footer-brand-col { align-items: flex-start; text-align: left; }
    .footer-links-col { align-items: flex-end; text-align: right; }
    .footer-links-list { justify-content: flex-end; }
}

/* Laptops / Desktops (1024px +) */
@media screen and (min-width: 1024px) {
    .product-card-premium { padding: 40px; }
    
    .main-product-title { font-size: 2.25rem; }
    
    .gallery-main-display { aspect-ratio: 1/1; }
    
    .cta-inner-container { padding: 80px 48px; }
    .cta-title { font-size: 2.5rem; }
    
    .review-inner { padding: 24px; }
    .review-body { padding-left: 64px; } /* Indent text to align with avatar */
    .review-meta-sub { padding-left: 64px; }
    .review-purchase-badge { padding-left: 64px; }
    .review-attached-photo { margin-left: 64px; }
}

/* Large Screens (1280px +) */
@media screen and (min-width: 1280px) {
    .product-card-premium { padding: 48px; }
    .main-product-title { font-size: 2.4rem; }
}

/* Extra Large Screens (1440px +) */
@media screen and (min-width: 1440px) {
    .site-main { padding-top: 80px; }
    .cta-title { font-size: 2.75rem; }
}