/* ===== CSS RESET & BASE ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Color Palette - ZBiotics-inspired dark theme */
    --color-background: #0D1B2A;
    --color-background-alt: #1B263B;
    --color-background-light: #F8F9FA;
    --color-white: #FFFFFF;
    --color-primary: #74a92f;
    --color-primary-dark: #34710e;
    --color-primary-light: #547923;
    --color-secondary: #6C5CE7;
    --color-accent: #FF6B6B;
    --color-text: #FFFFFF;
    --color-text-dark: #1B263B;
    --color-text-light: #A8B2C1;
    --color-text-muted: #6B7B8E;
    --color-border: rgba(255, 255, 255, 0.1);
    
    /* Typography */
    --font-heading: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    --spacing-2xl: 6rem;
    --spacing-3xl: 8rem;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
}

/* Google Fonts Import */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.7;
    color: var(--color-text);
    background-color: var(--color-background);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    line-height: 1.15;
    font-weight: 700;
    letter-spacing: -0.02em;
}

h1 {
    font-size: clamp(2.75rem, 7vw, 5rem);
    margin-bottom: var(--spacing-md);
    font-weight: 800;
}

h2 {
    font-size: clamp(2.25rem, 5vw, 3.5rem);
    margin-bottom: var(--spacing-md);
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
    margin-bottom: var(--spacing-sm);
}

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

/* ===== NAVIGATION ===== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--spacing-sm) 0;
    background: transparent;
    backdrop-filter: none;
    border-bottom: 1px solid transparent;
    transition: all var(--transition-normal);
}

.nav.scrolled {
    padding: 0.75rem 0;
    background: rgba(13, 27, 42, 0.98);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

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

.nav-logo img {
    height: 70px;
    width: auto;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.nav-link {
    color: var(--color-text-light);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: color var(--transition-fast);
    position: relative;
}

.nav-link:hover {
    color: var(--color-white);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-primary);
    transition: width var(--transition-normal);
}

.nav-link:hover::after {
    width: 100%;
}

.nav-cta {
    margin-left: var(--spacing-md);
}

/* Language Switcher */
.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.language-switcher {
    display: flex;
    align-items: center;
    gap: 4px;
    background: rgba(255, 255, 255, 0.1);
    padding: 4px;
    border-radius: 50px;
}

.lang-btn {
    background: transparent;
    border: none;
    color: var(--color-text-light);
    font-size: 0.8rem;
    font-weight: 600;
    padding: 6px 12px;
    border-radius: 50px;
    cursor: pointer;
    transition: all var(--transition-fast);
    font-family: var(--font-sans);
}

.lang-btn:hover {
    color: var(--color-white);
}

.lang-btn.active {
    background: var(--color-primary);
    color: var(--color-background);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--color-white);
    font-size: 1.5rem;
    cursor: pointer;
}

/* ===== BUTTONS ===== */
.cta-button {
    font-family: var(--font-sans);
    font-size: 1rem;
    font-weight: 600;
    padding: 1rem 1.5rem;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: all var(--transition-normal);
    text-transform: none;
    letter-spacing: 0;
    position: relative;
    overflow: hidden;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    gap: var(--spacing-xs);
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, transparent 100%);
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.cta-button:hover::before {
    opacity: 1;
}

.cta-button.primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-background);
    box-shadow: 0 4px 20px rgba(0, 212, 170, 0.3);
}

.cta-button.primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(0, 212, 170, 0.4);
}

.cta-button.secondary {
    background: transparent;
    color: var(--color-white);
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.cta-button.secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--color-white);
    transform: translateY(-3px);
}

.cta-button.secondary-dark {
    background: transparent;
    color: var(--color-text-dark);
    border: 2px solid var(--color-text-dark);
}

.cta-button.secondary-dark:hover {
    background: var(--color-text-dark);
    color: var(--color-white);
}

.cta-button.large {
    font-size: 1.125rem;
    padding: 0.5rem 1.5rem;
}

.cta-button.small {
    font-size: 0.875rem;
    padding: 0.75rem 1.25rem;
}

/* ===== HERO SECTION ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: calc(80px + var(--spacing-xl)) var(--spacing-md) var(--spacing-xl);
    overflow: hidden;
    background: linear-gradient(135deg, var(--color-background) 0%, var(--color-background-alt) 100%);
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(ellipse at 20% 50%, rgba(0, 212, 170, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 80%, rgba(108, 92, 231, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-visual-bg {
    position: relative;
    width: 100%;
    height: 500px;
    background-image: url('images/hero.webp');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: 0 40px 80px rgba(0, 0, 0, 0.4);
}

.hero-content {
    max-width: 600px;
    text-align: left;
    position: relative;
    z-index: 3;
}

.logo-container {
    display: none;
}

.logo {
    width: 140px;
    height: auto;
    object-fit: contain;
    filter: brightness(1.1);
}

.brand-name {
    font-family: var(--font-sans);
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 3px;
    color: var(--color-primary);
}

.hero-title {
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
    line-height: 1.1;
    font-weight: 800;
    letter-spacing: -0.03em;
    display: flex;
    flex-direction: column;
    gap: 0;
}

.title-line {
    display: block;
}

.title-line .highlight {
    color: var(--color-primary);
}

.hero-description {
    font-size: 1.25rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-lg);
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.trust-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-lg);
    padding: var(--spacing-sm) var(--spacing-md);
    background: rgba(0, 212, 170, 0.1);
    border: 1px solid rgba(0, 212, 170, 0.2);
    border-radius: 50px;
    font-size: 0.9rem;
    color: var(--color-text-light);
}

.badge-icon {
    color: var(--color-primary);
    font-weight: 600;
}

/* ===== BENEFITS SECTION ===== */
.benefits {
    padding: var(--spacing-3xl) var(--spacing-md);
    background-color: var(--color-background-alt);
    position: relative;
}

.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--spacing-2xl);
}

.section-title {
    color: var(--color-white);
}

.section-title-light {
    color: var(--color-white);
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--color-text-muted);
    margin-top: var(--spacing-sm);
}

.section-subtitle-light {
    color: var(--color-text-light);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.benefit-card {
    padding: var(--spacing-xl);     background: rgba(255, 255, 255, 0.03);
    border-radius: var(--radius-lg);
    transition: all var(--transition-normal);
    border: 1px solid var(--color-border);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.2);
    position: relative;
    overflow: hidden;
}

.benefit-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    transform: scaleX(0);
    transition: transform var(--transition-normal);
    transform-origin: left;
}

.benefit-icon {
    width: 72px;
    height: 72px;
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm);
}

.benefit-icon-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    filter: brightness(0) invert(1);
}

.benefit-icon svg,
.benefit-icon img {
    width: 100%;
    height: 100%;
}

.benefit-title {
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
    font-size: 1.35rem;
    font-weight: 700;
}

.benefit-description {
    color: var(--color-text-light);
    line-height: 1.7;
    font-size: 1rem;
}

/* ===== CLINICAL EVIDENCE SECTION ===== */
.clinical-evidence {
    padding: var(--spacing-3xl) var(--spacing-md);
    background: var(--color-background);
    position: relative;
}

.clinical-evidence::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 100%;
    background: 
        radial-gradient(ellipse at 10% 20%, rgba(0, 212, 170, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 90% 80%, rgba(108, 92, 231, 0.08) 0%, transparent 50%);
    pointer-events: none;
}

.evidence-intro-section {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 900px;
    margin: 0 auto var(--spacing-2xl);
}

.evidence-trusted-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
    position: relative;
    z-index: 1;
}

.evidence-intro {
    font-size: 1.2rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
}

.evidence-stats {
    display: flex;
    justify-content: center;
    gap: var(--spacing-2xl);
    margin: var(--spacing-xl) 0;
    padding: var(--spacing-xl) 0;
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.stat-item {
    flex: 1;
    text-align: center;
}

.stat-number {
    font-family: var(--font-heading);
    font-size: 2rem;
    color: var(--color-primary);
    font-weight: 800;
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--color-text-light);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    font-weight: 500;
}

.subsection-title {
    color: var(--color-white);
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
}

.evidence-description {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-sm);
}

.evidence-list {
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    margin-left: 2rem;
}

.evidence-list li {
    color: var(--color-text-light);
    font-size: 1.05rem;
}

.evidence-quote {
    margin-top: var(--spacing-xl);
    padding: var(--spacing-xl);
    background: rgba(0, 212, 170, 0.08);
    border-left: 4px solid var(--color-primary);
    border-radius: var(--radius-md);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.quote-text {
    font-style: italic;
    color: var(--color-text-light);
    line-height: 1.8;
    font-size: 1.1rem;
}

.trusted-content {
    position: relative;
}

.trusted-visual {
    position: relative;
}

.evidence-image {
    width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    object-fit: cover;
    border: 1px solid var(--color-border);
}

/* ===== PATHWAY SECTION ===== */
.pathway-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: start;
    margin-bottom: var(--spacing-3xl);
    position: relative;
    z-index: 1;
}

.pathway-visual {
    position: sticky;
    top: 120px;
}

.pathway-image {
    width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    border: 1px solid var(--color-border);
}

.pathway-content {
    padding-top: var(--spacing-md);
}

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

.pathway-step {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
}

.step-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    min-width: 48px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-background);
    border-radius: 50%;
    font-weight: 800;
    font-size: 1.25rem;
}

.step-content strong {
    display: block;
    color: var(--color-white);
    font-size: 1.1rem;
    margin-bottom: var(--spacing-xs);
}

.step-content p {
    color: var(--color-text-light);
    font-size: 0.95rem;
    margin: 0;
    line-height: 1.6;
}

/* ===== NAD+ IMPORTANCE SECTION ===== */
.nad-importance {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
    position: relative;
    z-index: 1;
}

.centered {
    text-align: center;
}

.nad-importance .evidence-description {
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.nad-benefits-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
}

.nad-benefit {
    padding: var(--spacing-lg);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    text-align: center;
}

.nad-benefit-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto var(--spacing-md);
    color: var(--color-primary);
}

.nad-benefit-icon svg {
    width: 100%;
    height: 100%;
}

.nad-benefit h4 {
    color: var(--color-white);
    font-size: 1.1rem;
    margin-bottom: var(--spacing-sm);
}

.nad-benefit p {
    color: var(--color-text-light);
    font-size: 0.9rem;
    line-height: 1.6;
    margin: 0;
}

/* ===== DECLINE SECTION ===== */
.decline-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
    margin-bottom: var(--spacing-3xl);
    position: relative;
    z-index: 1;
}

.decline-visual {
    order: 2;
}

/* ===== EVIDENCE STATS SECTION ===== */
.evidence-stats-section {
    position: relative;
    z-index: 1;
    padding: var(--spacing-xl) 0;
}

.evidence-stats-section .subsection-title {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.quote-source {
    color: var(--color-primary);
    font-weight: 500;
    margin-top: var(--spacing-sm);
    font-size: 0.95rem;
}

/* ===== LIFESTYLE SECTION ===== */
.lifestyle-section {
    padding: var(--spacing-3xl) var(--spacing-md);
    background: var(--color-background-alt);
    position: relative;
    overflow: hidden;
}

.lifestyle-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 100%;
    background: 
        radial-gradient(ellipse at 70% 30%, rgba(108, 92, 231, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.lifestyle-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
    position: relative;
    z-index: 1;
}

.lifestyle-image img {
    width: 100%;
    height: 500px;
    object-fit: cover;
    border-radius: var(--radius-xl);
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.3);
}

.lifestyle-content {
    padding: var(--spacing-lg);
}

.lifestyle-content .section-title {
    color: var(--color-white);
}

.lifestyle-description {
    color: var(--color-text-light);
    font-size: 1.15rem;
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

/* ===== PRODUCT SECTION ===== */
.product {
    padding: var(--spacing-3xl) var(--spacing-md);
    background-color: var(--color-background);
}

.product-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

.product-mockup {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: var(--spacing-xl);
}

.product-image {
    width: 100%;
    max-width: 450px;
    height: auto;
    object-fit: contain;
    filter: drop-shadow(0 20px 60px rgba(0, 0, 0, 0.2));
    border-radius: var(--radius-lg);
}

.product-intro {
    font-size: 1.2rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-lg);
    line-height: 1.7;
}

.product-details {
    margin-top: var(--spacing-lg);
}

.product-details .subsection-title {
    color: var(--color-white);
    font-size: 1.25rem;
}

.product-list {
    list-style: none;
    margin: var(--spacing-md) 0;
}

.product-list li {
    padding: var(--spacing-xs) 0;
    color: var(--color-text-light);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.05rem;
}

.check-icon {
    color: var(--color-primary);
    font-weight: 700;
    font-size: 1.1rem;
}

.product-description {
    color: var(--color-text-light);
    line-height: 1.7;
}

/* ===== PRICING SECTION ===== */
.pricing {
    padding: var(--spacing-3xl) var(--spacing-md);
    background: var(--color-background-alt);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.pricing-card {
    background: var(--color-background);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    border: 1px solid var(--color-border);
    transition: all var(--transition-normal);
    position: relative;
    overflow: visible;
    display: flex;
    flex-direction: column;
}

.pricing-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 60px rgba(0, 212, 170, 0.15);
    border-color: var(--color-primary);
}

.pricing-card.featured {
    border-color: var(--color-primary);
    box-shadow: 0 8px 40px rgba(0, 212, 170, 0.2);
}

.pricing-card.featured::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-secondary) 100%);
}

.badge {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-background);
    padding: 0.5rem 1.25rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 1px;
    white-space: nowrap;
    box-shadow: 0 4px 20px rgba(0, 212, 170, 0.4);
}

.card-header {
    text-align: center;
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
    min-height: 180px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.card-title {
    font-size: 1.5rem;
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
    font-weight: 700;
}

.price {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    margin: var(--spacing-md) 0;
}

.currency {
    font-size: 1.5rem;
    color: var(--color-text-light);
    margin-top: 0.5rem;
    font-weight: 500;
}

.amount {
    font-family: var(--font-heading);
    font-size: 4rem;
    color: var(--color-primary);
    font-weight: 800;
    line-height: 1;
}

.price-description {
    color: var(--color-text-light);
    font-size: 0.95rem;
}

.card-body {
    padding-top: var(--spacing-md);
    display: flex;
    flex-direction: column;
    flex: 1;
}

.card-body .cta-button {
    width: 100%;
    margin-bottom: var(--spacing-md);
    margin-top: auto;
}

.card-footer {
    text-align: center;
    font-size: 0.875rem;
    color: var(--color-text-light);
    font-style: italic;
}

.guarantee {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-2xl);
    padding: var(--spacing-lg);
    background: rgba(0, 212, 170, 0.08);
    border: 1px solid rgba(0, 212, 170, 0.2);
    border-radius: var(--radius-lg);
}

.guarantee-icon {
    width: 60px;
    height: 60px;
}

.guarantee-icon path {
    fill: var(--color-primary);
    stroke: var(--color-primary);
}

.guarantee-icon circle {
    stroke: var(--color-secondary);
}

.guarantee-icon text {
    fill: var(--color-white);
}

.guarantee-text h4 {
    font-family: var(--font-sans);
    font-size: 1.125rem;
    color: var(--color-white);
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
}

.guarantee-text p {
    color: var(--color-text-light);
    margin: 0;
}

/* ===== FINAL CTA SECTION ===== */
.final-cta {
    padding: var(--spacing-3xl) var(--spacing-md);
    background: linear-gradient(135deg, var(--color-background) 0%, #162D50 100%);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    color: var(--color-white);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.final-cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(ellipse at 30% 20%, rgba(0, 212, 170, 0.2) 0%, transparent 50%),
        radial-gradient(ellipse at 70% 80%, rgba(108, 92, 231, 0.15) 0%, transparent 50%);
    z-index: 1;
}

.cta-content {
    position: relative;
    z-index: 2;
    max-width: 900px;
    margin: 0 auto;
}

.cta-title {
    color: var(--color-white);
    font-size: clamp(2.5rem, 5vw, 4rem);
    margin-bottom: var(--spacing-md);
    font-weight: 800;
}

.cta-subtitle {
    font-size: 1.35rem;
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
    color: var(--color-text-light);
}

.cta-description {
    font-size: 1.125rem;
    line-height: 1.8;
    margin-bottom: var(--spacing-xl);
    color: var(--color-text-light);
}

.final-cta .cta-button.primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-background);
    box-shadow: 0 8px 30px rgba(0, 212, 170, 0.4);
}

.final-cta .cta-button.primary:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 12px 40px rgba(0, 212, 170, 0.5);
}

.trust-elements {
    display: flex;
    justify-content: center;
    gap: var(--spacing-2xl);
    margin-top: var(--spacing-2xl);
    flex-wrap: wrap;
}

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

.trust-icon {
    font-size: 1.25rem;
}

.trust-icon svg {
    width: 32px;
    height: 32px;
}

.trust-icon svg path {
    fill: var(--color-primary);
}

.trust-icon svg circle {
    stroke: var(--color-primary);
}

.trust-icon svg path[stroke] {
    stroke: var(--color-primary);
}

.trust-text {
    text-align: left;
    font-size: 0.95rem;
    color: var(--color-text-light);
}

.trust-text strong {
    display: block;
    font-size: 1.125rem;
    margin-bottom: 0.125rem;
    color: var(--color-white);
}

.testimonials {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    margin-top: var(--spacing-2xl);
}

.testimonial-card {
    background: rgba(255, 255, 255, 0.05);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
}

.testimonial-text {
    font-size: 1rem;
    line-height: 1.7;
    margin-bottom: var(--spacing-sm);
    font-style: italic;
    color: var(--color-text-light);
}

.testimonial-author {
    font-size: 0.9rem;
    color: var(--color-primary);
    margin: 0;
    font-weight: 600;
}

/* ===== FOOTER ===== */
.footer {
    padding: var(--spacing-2xl) var(--spacing-md) var(--spacing-lg);
    background-color: var(--color-background);
    background-image: url('images/footer.webp');
    background-size: cover;
    background-position: center;
    background-blend-mode: overlay;
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(13, 27, 42, 0.92);
    pointer-events: none;
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 2fr;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-xl);
    position: relative;
    z-index: 1;
}

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

.footer-logo {
    width: 100px;
    height: auto;
    object-fit: contain;
    filter: brightness(1.1);
}

.footer-tagline {
    color: var(--color-text-light);
    font-size: 0.95rem;
    line-height: 1.6;
    max-width: 280px;
}

.footer-links-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.footer-column h4 {
    color: var(--color-white);
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--spacing-sm);
}

.footer-column a {
    display: block;
    color: var(--color-text-light);
    text-decoration: none;
    font-size: 0.9rem;
    padding: 0.35rem 0;
    transition: color var(--transition-fast);
}

.footer-column a:hover {
    color: var(--color-primary);
}

.footer-nav {
    display: none;
}

.footer-bottom {
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    position: relative;
    z-index: 1;
}

.footer-disclaimer {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    max-width: 600px;
    line-height: 1.6;
    margin: 0;
}

.footer-copyright {
    font-size: 0.875rem;
    color: var(--color-white);
    margin: 0;
}

.footer-social {
    display: flex;
    gap: var(--spacing-sm);
}

.footer-social a {
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    text-decoration: none;
    transition: all var(--transition-fast);
}

.footer-social a:hover {
    background: var(--color-primary);
    color: var(--color-background);
}

.footer-social a img {
    width: 30px;
    height: 30px;
}

/* Featured In Section */
.featured-in {
    padding: var(--spacing-xl) var(--spacing-md);
    background: var(--color-background-light);
}

.featured-in h3 {
    text-align: center;
    color: var(--color-text-muted);
    font-size: 0.9rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: var(--spacing-lg);
}

.featured-logos {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-2xl);
    flex-wrap: wrap;
    opacity: 0.6;
}

.featured-logos img {
    height: 28px;
    width: auto;
    filter: grayscale(100%);
    transition: all var(--transition-fast);
}

.featured-logos img:hover {
    filter: grayscale(0%);
    opacity: 1;
}

/* ===== WELLNESS GALLERY ===== */
.wellness-gallery {
    padding: var(--spacing-3xl) var(--spacing-md);
    background: var(--color-background-alt);
    position: relative;
    overflow: hidden;
}

.wellness-gallery::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(ellipse at 20% 80%, rgba(0, 212, 170, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(108, 92, 231, 0.08) 0%, transparent 50%);
    pointer-events: none;
}

.gallery-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--spacing-2xl);
    position: relative;
    z-index: 1;
}

.gallery-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto auto;
    gap: var(--spacing-md);
    position: relative;
    z-index: 1;
}

.gallery-item {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    aspect-ratio: 4/3;
}

.gallery-item.large {
    grid-row: span 2;
    aspect-ratio: auto;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.gallery-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--spacing-lg);
    background: linear-gradient(to top, rgba(13, 27, 42, 0.9) 0%, transparent 100%);
    display: flex;
    align-items: flex-end;
}

.gallery-tag {
    background: var(--color-primary);
    color: var(--color-background);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.5px;
}

/* FAQ Section */
.faq {
    padding: var(--spacing-3xl) var(--spacing-md);
    background: var(--color-background);
}

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

.faq-item {
    border-bottom: 1px solid var(--color-border);
}

.faq-question {
    width: 100%;
    padding: var(--spacing-md) 0;
    background: none;
    border: none;
    color: var(--color-white);
    font-size: 1.1rem;
    font-weight: 600;
    text-align: left;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: color var(--transition-fast);
}

.faq-question:hover {
    color: var(--color-primary);
}

.faq-question::after {
    content: '+';
    font-size: 1.5rem;
    font-weight: 400;
    color: var(--color-primary);
    transition: transform var(--transition-fast);
}

.faq-item.active .faq-question::after {
    content: '−';
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-normal), padding var(--transition-normal);
}

.faq-item.active .faq-answer {
    max-height: 300px;
    padding-bottom: var(--spacing-md);
}

.faq-answer p {
    color: var(--color-text-light);
    line-height: 1.7;
}

/* ===== ANIMATIONS ===== */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

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

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.fade-in {
    animation: fadeIn 0.8s ease forwards;
}

.slide-up {
    animation: slideUp 0.8s ease forwards;
}

.slide-up-delay {
    animation: slideUp 0.8s ease 0.2s forwards;
    opacity: 0;
}

.slide-up-delay-2 {
    animation: slideUp 0.8s ease 0.4s forwards;
    opacity: 0;
}

.slide-up-delay-3 {
    animation: slideUp 0.8s ease 0.6s forwards;
    opacity: 0;
}

.slide-up-delay-4 {
    animation: slideUp 0.8s ease 0.8s forwards;
    opacity: 0;
}

/* Scroll reveal animations */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s ease;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

.reveal-delay {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s ease 0.2s;
}

.reveal-delay.active {
    opacity: 1;
    transform: translateY(0);
}

.reveal-scale {
    opacity: 0;
    transform: scale(0.95);
    transition: all 0.6s ease;
}

.reveal-scale.active {
    opacity: 1;
    transform: scale(1);
}

.reveal-scale-delay {
    opacity: 0;
    transform: scale(0.95);
    transition: all 0.6s ease 0.15s;
}

.reveal-scale-delay.active {
    opacity: 1;
    transform: scale(1);
}

.reveal-scale-delay-2 {
    opacity: 0;
    transform: scale(0.95);
    transition: all 0.6s ease 0.3s;
}

.reveal-scale-delay-2.active {
    opacity: 1;
    transform: scale(1);
}

.reveal-scale-delay-3 {
    opacity: 0;
    transform: scale(0.95);
    transition: all 0.6s ease 0.45s;
}

.reveal-scale-delay-3.active {
    opacity: 1;
    transform: scale(1);
}

.reveal-scale-delay-4 {
    opacity: 0;
    transform: scale(0.95);
    transition: all 0.6s ease 0.6s;
}

.reveal-scale-delay-4.active {
    opacity: 1;
    transform: scale(1);
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 1024px) {
    .nav-actions {
        gap: var(--spacing-sm);
        margin-left: auto;
    }
    
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--color-background-alt);
        flex-direction: column;
        padding: var(--spacing-md);
        gap: var(--spacing-sm);
        border-top: 1px solid var(--color-border);
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .nav-links.active ~ .nav-actions {
        display: none !important;
    }
    
    .nav-cta {
        display: none;
    }

    .language-switcher {
    margin-right: var(--spacing-md);
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .hero-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .hero-visual-bg {
        height: 350px;
        order: -1;
    }
    
    .hero-content {
        text-align: center;
        max-width: 100%;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .trust-badge {
        margin-left: auto;
        margin-right: auto;
    }
    
    .benefits-grid {
        grid-template-columns: 1fr;
    }
    
    .evidence-trusted-section {
        grid-template-columns: 1fr;
    }
    
    .pathway-section {
        grid-template-columns: 1fr;
    }
    
    .pathway-visual {
        position: relative;
        top: 0;
    }
    
    .nad-benefits-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .decline-section {
        grid-template-columns: 1fr;
    }
    
    .decline-visual {
        order: -1;
    }
    
    .lifestyle-grid {
        grid-template-columns: 1fr;
    }
    
    .lifestyle-image img {
        height: 350px;
    }
    
    .gallery-grid {
        grid-template-columns: 1fr;
    }
    
    .gallery-item.large {
        grid-row: span 1;
        aspect-ratio: 16/9;
    }
    
    .product-content {
        grid-template-columns: 1fr;
    }
    
    .product-visual {
        order: -1;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-brand {
        align-items: center;
    }
    
    .footer-tagline {
        max-width: 100%;
    }
    
    .footer-links-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    :root {
        --spacing-xl: 3rem;
        --spacing-2xl: 4rem;
        --spacing-3xl: 5rem;
    }
    
    .nav-actions {
        gap: 0.75rem;
        margin-left: auto;
    }
    
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--color-background-alt);
        flex-direction: column;
        padding: var(--spacing-md);
        gap: var(--spacing-sm);
        border-top: 1px solid var(--color-border);
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .nav-links.active ~ .nav-actions {
        display: none !important;
    }
    
    .nav-cta {
        display: none;
    }
    
    .lang-btn {
        padding: 5px 10px;
        font-size: 0.75rem;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .hero {
        min-height: auto;
        padding: calc(70px + var(--spacing-lg)) var(--spacing-md) var(--spacing-xl);
    }
    
    .hero-visual-bg {
        height: 280px;
    }
    
    .logo-container {
        top: var(--spacing-sm);
        left: var(--spacing-sm);
    }
    
    .logo {
        width: 100px;
    }
    
    .benefits-grid {
        gap: var(--spacing-md);
    }
    
    .benefit-card {
        padding: var(--spacing-lg);
    }
    
    .benefit-icon {
        width: 56px;
        height: 56px;
    }
    
    .evidence-stats {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .trust-elements {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .trust-item {
        justify-content: center;
    }
    
    .testimonials {
        grid-template-columns: 1fr;
    }
    
    .nad-benefits-grid {
        grid-template-columns: 1fr;
    }
    
    .pathway-step {
        flex-direction: column;
        text-align: center;
    }
    
    .step-number {
        margin: 0 auto var(--spacing-sm);
    }
    
    .footer-links-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
        text-align: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    
    .guarantee {
        flex-direction: column;
        text-align: center;
    }
    
    .faq-question {
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .container {
    padding: 0;
}
    .cta-button,
    .cta-button.large {
        width: auto;
        padding: 0.5rem 1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .nav-logo img {
        height: 38px;
    }

    .language-switcher {
    margin-right: var(--spacing-sm);
    }
    
    .card-body .cta-button {
        font-size: 0.95rem;
        padding: 0.875rem 1.5rem;
    }
    
    .stat-number {
        font-size: 1.5rem;
    }
    
    .amount {
        font-size: 3rem;
    }

    .lifestyle-content {
       padding: 0;
    }

    .benefit-card,
    .nad-benefit,
    .testimonial-card {
       padding: var(--spacing-md);
    }
}