:root {
    /* Brand Colors - Medical/Scientific Theme */
    --color-primary: #003366;
    /* Deep Navy Blue (Brand Core) */
    --color-primary-light: #004c99;
    --color-secondary: #0077b6;
    /* Scientific/Medical Blue (Replaces Teal) */
    --color-accent: #e67e22;
    /* Energetic Orange for CTAs */
    --color-text-main: #2c3e50;
    --color-text-light: #7f8c8d;
    --color-bg-light: #f5f6fa;
    --color-white: #ffffff;

    /* Typography */
    --font-main: 'Inter', system-ui, -apple-system, sans-serif;
    --font-heading: 'Outfit', sans-serif;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --container-width: 1200px;

    /* Effects */
    --shadow-sm: 0 4px 6px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 10px 15px rgba(0, 0, 0, 0.1);
    --radius-md: 8px;
    --radius-lg: 16px;
    --transition: all 0.3s ease;
}

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

body {
    font-family: var(--font-main);
    background-color: var(--color-bg-light);
    color: var(--color-text-main);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

/* Typography */
h1,
h2,
h3,
h4 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-primary);
    margin-bottom: 0.5rem;
    /* Reduced from default or inherited */
}

h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
}

h2 {
    font-size: 2.2rem;
    margin-top: 2rem;
}

h3 {
    font-size: 1.5rem;
    margin-top: 1.5rem;
}

p {
    margin-bottom: 1.25rem;
}

/* Images & Graphics */
img {
    max-width: 100%;
    height: auto;
    display: block;
}

.product-hero-img {
    width: 100%;
    max-width: 400px;
    margin: 0 auto 2rem;
    filter: drop-shadow(0 10px 20px rgba(0, 0, 0, 0.15));
    /* nicer shadow */
    border-radius: var(--radius-md);
}

.content-image-right {
    float: right;
    margin: 0 0 1rem 2rem;
    max-width: 300px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.content-image-left {
    float: left;
    margin: 0 2rem 1rem 0;
    max-width: 300px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

/* Feature Grid */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.feature-card {
    background: var(--color-bg-light);
    padding: 1.5rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    text-align: center;
}

.feature-card h3 {
    font-size: 1.25rem;
    margin-top: 1rem;
    color: var(--color-secondary);
}

/* Quote/Testimonial Style */
.quote-box {
    font-style: italic;
    font-size: 1.1rem;
    border-left: 4px solid var(--color-secondary);
    padding: 1rem 1.5rem;
    margin: 2rem 0;
    background: #f0faff;
    color: var(--color-primary);
}

/* Video Wrapper */
.video-wrapper {
    position: relative;
    padding-bottom: 56.25%;
    /* 16:9 aspect ratio */
    height: 0;
    overflow: hidden;
    border-radius: var(--radius-md);
    margin: 2rem 0;
    background: #000;
}

.video-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

/* FAQ Section */
.faq-item {
    border-bottom: 1px solid #eee;
    padding: 1rem 0;
}

.faq-item h4 {
    cursor: pointer;
    color: var(--color-primary);
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.faq-item p {
    color: var(--color-text-light);
    font-size: 0.95rem;
    margin-bottom: 0.5rem;
}

/* Horizontal Scroll Row */
.image-scroll-row {
    display: flex;
    overflow-x: auto;
    gap: 1.5rem;
    padding: 1.5rem 0.5rem;
    margin: 2rem 0;
    scrollbar-width: thin;
    -webkit-overflow-scrolling: touch;
}

.image-scroll-row::-webkit-scrollbar {
    height: 6px;
}

.image-scroll-row::-webkit-scrollbar-track {
    background: var(--color-bg-light);
    border-radius: 4px;
}

.image-scroll-row::-webkit-scrollbar-thumb {
    background: var(--color-secondary);
    border-radius: 4px;
}

.image-scroll-row img {
    height: 210px;
    width: auto;
    flex-shrink: 0;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    object-fit: cover;
    transition: transform 0.2s;
}

.image-scroll-row img:hover {
    transform: scale(1.02);
}

/* Layout Utilities */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

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

/* Components */
.btn {
    display: inline-block;
    padding: 1rem 2rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background-color: var(--color-secondary);
    color: var(--color-white);
}

.btn-primary:hover {
    background-color: #00a383;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Navbar */
.navbar {
    background: var(--color-white);
    box-shadow: var(--shadow-sm);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

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

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--color-primary);
    letter-spacing: -0.5px;
}

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

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--color-primary) 0%, #001f3f 100%);
    color: var(--color-white);
    padding: 6rem 0;
    text-align: center;
}

.hero h1 {
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
}


/* Review Page Specifics */
.content-wrapper {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    padding: var(--spacing-md);
    margin-top: -4rem;
    /* Overlap hero */
    position: relative;
    z-index: 10;
}

.benefit-list {
    margin: var(--spacing-sm) 0;
}

.benefit-list li {
    position: relative;
    padding-left: 2rem;
    margin-bottom: 0.75rem;
    color: var(--color-text-main);
}

.benefit-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--color-secondary);
    font-weight: bold;
}

.highlight-box {
    background: rgba(0, 184, 148, 0.1);
    border-left: 4px solid var(--color-secondary);
    padding: 1.5rem;
    margin: 2rem 0;
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.cta-section {
    text-align: center;
    padding: 3rem 0;
    background: var(--color-bg-light);
    margin-top: 3rem;
    border-radius: var(--radius-md);
}

.price-tag {
    font-size: 2rem;
    font-weight: 800;
    color: var(--color-primary);
    display: block;
    margin-bottom: 1rem;
}

.legal-text {
    font-size: 0.75rem;
    color: var(--color-text-light);
    margin-top: 2rem;
    text-align: center;
    line-height: 1.4;
    border-top: 1px solid #ddd;
    padding-top: 1rem;
}