/* ============================================
   CSS RESET & BASE STYLES
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

*::before,
*::after {
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background: #ffffff;
    overflow-x: hidden;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

button {
    border: none;
    background: none;
    cursor: pointer;
    font-family: inherit;
}

input,
select,
textarea {
    font-size: 16px;
    font-family: inherit;
}


/* ============================================
   CSS CUSTOM PROPERTIES (VARIABLES)
   ============================================ */
:root {
    /* Colors - Modern Gradient Theme */
    --primary-gradient: linear-gradient(135deg, #4F46E5 0%, #06B6D4 100%);
    --primary-color: #4F46E5;
    --secondary-color: #06B6D4;
    --accent-color: #10B981;
    --dark-color: #1F2937;
    --light-color: #F9FAFB;
    --white: #FFFFFF;
    --text-primary: #1F2937;
    --text-secondary: #6B7280;
    --border-color: #E5E7EB;
    
    /* Gradient Overlays */
    --gradient-soft: linear-gradient(135deg, rgba(79, 70, 229, 0.1) 0%, rgba(6, 182, 212, 0.1) 100%);
    --gradient-overlay: linear-gradient(135deg, rgba(79, 70, 229, 0.95) 0%, rgba(6, 182, 212, 0.95) 100%);
    
    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.2);
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
    
    /* Spacing */
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 32px;
    --spacing-xl: 48px;
    --spacing-2xl: 64px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Container Max Width */
    --container-max: 1280px;
    --container-padding: 20px;
}


/* ============================================
   UTILITY CLASSES
   ============================================ */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding-left: var(--container-padding);
    padding-right: var(--container-padding);
}

.section-title {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-primary);
    text-align: center;
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}

.section-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-intro {
    font-size: 16px;
    color: var(--text-secondary);
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--spacing-lg);
    line-height: 1.7;
}


/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-block;
    padding: 14px 32px;
    font-size: 16px;
    font-weight: 600;
    text-align: center;
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
    cursor: pointer;
    min-height: 48px;
    line-height: 1.5;
}

.btn-primary {
    background: var(--primary-gradient);
    color: var(--white);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-primary:active {
    transform: scale(0.98);
}

.btn-hero {
    background: var(--primary-gradient);
    color: var(--white);
    font-size: 18px;
    padding: 16px 40px;
    box-shadow: var(--shadow-lg);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    width: 100%;
    justify-content: center;
    margin-top: var(--spacing-md);
}

.btn-hero:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
}

.btn-icon {
    font-size: 20px;
    transition: transform var(--transition-base);
}

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

.btn-cart {
    background: var(--primary-gradient);
    color: var(--white);
    width: 100%;
    padding: 14px 24px;
    font-size: 16px;
    margin-top: var(--spacing-sm);
}

.btn-cart:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-cart.featured {
    background: linear-gradient(135deg, #10B981 0%, #059669 100%);
}

.btn-final-cta {
    background: var(--primary-gradient);
    color: var(--white);
    font-size: 20px;
    padding: 18px 48px;
    box-shadow: var(--shadow-xl);
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-top: var(--spacing-md);
}

.btn-popup-cta {
    background: var(--primary-gradient);
    color: var(--white);
    width: 100%;
    padding: 14px 32px;
    font-size: 16px;
    margin-top: var(--spacing-sm);
}


/* ============================================
   HEADER & NAVIGATION
   ============================================ */
#main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: all var(--transition-base);
}

#main-header.scrolled {
    padding: 8px 0;
    box-shadow: var(--shadow-md);
}

.navbar {
    padding: 16px 0;
}

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

.nav-brand a {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 24px;
    font-weight: 700;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.brand-icon {
    font-size: 28px;
    filter: drop-shadow(0 2px 4px rgba(79, 70, 229, 0.3));
}

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

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

.nav-link {
    font-size: 16px;
    font-weight: 500;
    color: var(--text-primary);
    transition: color var(--transition-fast);
    position: relative;
}

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

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

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

.nav-cta {
    padding: 10px 24px;
    min-height: 44px;
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
    min-width: 44px;
    min-height: 44px;
    align-items: center;
    justify-content: center;
}

.hamburger span {
    display: block;
    width: 26px;
    height: 3px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all var(--transition-base);
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}


/* ============================================
   HERO SECTION
   ============================================ */
.hero-section {
    padding: 140px 0 80px;
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.05) 0%, rgba(6, 182, 212, 0.05) 100%);
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(79, 70, 229, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 20s infinite ease-in-out;
}

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

.hero-image {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.product-showcase {
    position: relative;
    width: 100%;
    max-width: 400px;
    margin: 0 auto;
}

.product-img {
    width: 100%;
    height: auto;
    filter: drop-shadow(0 20px 40px rgba(79, 70, 229, 0.3));
    position: relative;
    z-index: 2;
}

.animate-float {
    animation: float 6s infinite ease-in-out;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
}

.glow-effect {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80%;
    height: 80%;
    background: var(--primary-gradient);
    border-radius: 50%;
    filter: blur(60px);
    opacity: 0.3;
    animation: pulse 4s infinite ease-in-out;
    z-index: 1;
}

@keyframes pulse {
    0%, 100% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 0.3;
    }
    50% {
        transform: translate(-50%, -50%) scale(1.2);
        opacity: 0.5;
    }
}

.hero-content {
    text-align: center;
}

.hero-title {
    font-size: 32px;
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

.hero-title .highlight {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-sm);
}

.trust-badges {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.badge-item {
    font-size: 14px;
    color: var(--accent-color);
    font-weight: 600;
    padding: 6px 12px;
    background: rgba(16, 185, 129, 0.1);
    border-radius: var(--radius-full);
}


/* ============================================
   WHY CHOOSE US SECTION
   ============================================ */
.why-choose-section {
    padding: var(--spacing-2xl) 0;
    background: var(--white);
}

.badges-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
}

.badge-card {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: all var(--transition-base);
    opacity: 0;
    transform: translateY(30px);
}

.badge-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.badge-card:hover {
    transform: translateY(-8px) rotate(2deg);
    box-shadow: var(--shadow-xl);
}

.badge-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-sm);
    border-radius: var(--radius-md);
    padding: 10px;
    background: var(--gradient-soft);
}

.badge-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.badge-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.badge-description {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.6;
}


/* ============================================
   WHAT IS OPTIVELL SECTION
   ============================================ */
.what-is-section {
    padding: var(--spacing-2xl) 0;
    background: var(--gradient-soft);
}

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

.content-text {
    order: 2;
}

.content-image {
    order: 1;
}

.content-paragraph {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-sm);
}

.support-img {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 500px;
    margin: 0 auto;
}


/* ============================================
   HOW IT WORKS SECTION
   ============================================ */
.how-it-works-section {
    padding: var(--spacing-2xl) 0;
    background: var(--white);
}

.accordion-container {
    max-width: 900px;
    margin: 0 auto;
}

.accordion-item {
    background: var(--white);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-sm);
    overflow: hidden;
    transition: all var(--transition-base);
}

.accordion-item:hover {
    border-color: var(--primary-color);
}

.accordion-header {
    width: 100%;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    text-align: left;
    cursor: pointer;
    transition: all var(--transition-base);
    min-height: 44px;
}

.accordion-header:hover {
    background: var(--gradient-soft);
}

.accordion-icon {
    font-size: 24px;
    flex-shrink: 0;
}

.accordion-title {
    flex: 1;
    font-size: 17px;
    font-weight: 600;
    color: var(--text-primary);
}

.accordion-arrow {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
    transition: transform var(--transition-base);
    flex-shrink: 0;
}

.accordion-item.active .accordion-arrow {
    transform: rotate(45deg);
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow);
}

.accordion-item.active .accordion-content {
    max-height: 1000px;
}

.accordion-content p {
    padding: 0 var(--spacing-md) var(--spacing-md);
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
}


/* ============================================
   CUSTOMER REVIEWS SECTION
   ============================================ */
.reviews-section {
    padding: var(--spacing-2xl) 0;
    background: var(--gradient-soft);
}

.reviews-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
}

.review-card {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    opacity: 0;
    transform: scale(0.9);
}

.review-card.visible {
    opacity: 1;
    transform: scale(1);
    animation: fadeInScale 0.6s ease forwards;
}

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

.review-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.review-header {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    align-items: center;
}

.reviewer-photo {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--primary-color);
    flex-shrink: 0;
}

.reviewer-info {
    flex: 1;
}

.reviewer-name {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.reviewer-location {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.star-rating {
    color: #FFC107;
    font-size: 16px;
    letter-spacing: 2px;
}

.review-text {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
    font-style: italic;
}


/* ============================================
   PRICING SECTION
   ============================================ */
.pricing-section {
    padding: var(--spacing-2xl) 0;
    background: var(--white);
    position: relative;
}

.countdown-timer {
    background: linear-gradient(135deg, #EF4444 0%, #DC2626 100%);
    color: var(--white);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    text-align: center;
    max-width: 500px;
    margin: var(--spacing-lg) auto var(--spacing-xl);
    box-shadow: var(--shadow-lg);
}

.timer-label {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.timer-display {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 12px;
}

.timer-unit {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.timer-value {
    font-size: 48px;
    font-weight: 800;
    line-height: 1;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.timer-separator {
    font-size: 48px;
    font-weight: 800;
    line-height: 1;
    animation: blink 1s infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

.timer-label-small {
    font-size: 12px;
    text-transform: uppercase;
    margin-top: 4px;
    opacity: 0.9;
}

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

.pricing-card {
    background: var(--white);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    text-align: center;
    transition: all var(--transition-base);
    position: relative;
}

.pricing-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.pricing-card.featured {
    border-color: var(--accent-color);
    border-width: 3px;
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.05) 0%, rgba(5, 150, 105, 0.05) 100%);
    transform: scale(1);
}

.pricing-card.featured:hover {
    transform: scale(1.05);
}

.popular-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, #FCD34D 0%, #F59E0B 100%);
    color: var(--dark-color);
    font-size: 12px;
    font-weight: 700;
    padding: 6px 16px;
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-md);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.pricing-label {
    font-size: 12px;
    font-weight: 700;
    color: var(--primary-color);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 8px;
}

.pricing-title {
    font-size: 24px;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.pricing-subtitle {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.pricing-image {
    width: 100%;
    max-width: 200px;
    margin: var(--spacing-md) auto;
}

.pricing-price {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin: var(--spacing-md) 0;
}

.price-label {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.price-value {
    font-size: 42px;
    font-weight: 800;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

.pricing-total {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-bottom: var(--spacing-sm);
}

.price-old {
    font-size: 20px;
    color: var(--text-secondary);
    text-decoration: line-through;
}

.price-new {
    font-size: 32px;
    font-weight: 800;
    color: var(--accent-color);
}

.bonus-badges {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin: var(--spacing-sm) 0;
}

.bonus-badge {
    font-size: 13px;
    font-weight: 600;
    color: var(--accent-color);
    background: rgba(16, 185, 129, 0.1);
    padding: 6px 12px;
    border-radius: var(--radius-full);
}

.payment-logos {
    margin-top: var(--spacing-sm);
    opacity: 0.7;
}

.payment-logos img {
    max-width: 200px;
    margin: 0 auto;
}

.rating-section {
    text-align: center;
    margin-top: var(--spacing-xl);
}

.rating-image {
    max-width: 300px;
    margin: 0 auto;
}


/* ============================================
   INGREDIENTS SECTION
   ============================================ */
.ingredients-section {
    padding: var(--spacing-2xl) 0;
    background: var(--gradient-soft);
}

.ingredients-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
}

.ingredient-card {
    background: var(--white);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
    border-left: 4px solid var(--primary-color);
}

.ingredient-card:hover {
    transform: translateX(8px);
    box-shadow: var(--shadow-md);
}

.ingredient-icon {
    font-size: 32px;
    margin-bottom: var(--spacing-sm);
}

.ingredient-name {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.ingredient-description {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-sm);
}

.ingredient-benefits {
    font-size: 14px;
    color: var(--accent-color);
    background: rgba(16, 185, 129, 0.1);
    padding: 8px 12px;
    border-radius: var(--radius-sm);
}

.ingredient-benefits strong {
    font-weight: 700;
}


/* ============================================
   SCIENTIFIC EVIDENCE SECTION
   ============================================ */
.scientific-section {
    padding: var(--spacing-2xl) 0;
    background: var(--white);
}

.evidence-accordion {
    max-width: 900px;
    margin: 0 auto;
}

.evidence-item {
    background: var(--white);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-sm);
    overflow: hidden;
}

.evidence-header {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    cursor: pointer;
    transition: all var(--transition-base);
    min-height: 44px;
}

.evidence-header:hover {
    background: var(--gradient-soft);
}

.evidence-title {
    font-size: 17px;
    font-weight: 600;
    color: var(--text-primary);
    text-align: left;
}

.evidence-arrow {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
    transition: transform var(--transition-base);
}

.evidence-item.active .evidence-arrow {
    transform: rotate(45deg);
}

.evidence-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow);
}

.evidence-item.active .evidence-content {
    max-height: 1500px;
}

.evidence-content p {
    padding: 0 var(--spacing-md) var(--spacing-md);
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.8;
}


/* ============================================
   MONEY BACK GUARANTEE SECTION
   ============================================ */
.guarantee-section {
    padding: var(--spacing-2xl) 0;
    background: var(--gradient-soft);
}

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

.guarantee-image {
    text-align: center;
}

.guarantee-badge {
    max-width: 250px;
    margin: 0 auto;
    animation: float 5s infinite ease-in-out;
}

.guarantee-content {
    text-align: left;
}

.guarantee-point {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    align-items: flex-start;
}

.guarantee-icon {
    font-size: 32px;
    flex-shrink: 0;
}

.guarantee-text h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.guarantee-text p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
}


/* ============================================
   BENEFITS SECTION
   ============================================ */
.benefits-section {
    padding: var(--spacing-2xl) 0;
    background: var(--white);
}

.benefits-list {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.benefit-item {
    display: flex;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
    align-items: flex-start;
}

.benefit-item:hover {
    transform: translateX(8px);
    box-shadow: var(--shadow-md);
    background: var(--gradient-soft);
}

.benefit-icon {
    width: 32px;
    height: 32px;
    background: var(--primary-gradient);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: 700;
    flex-shrink: 0;
}

.benefit-text h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.benefit-text p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.6;
}


/* ============================================
   FAQ SECTION
   ============================================ */
.faq-section {
    padding: var(--spacing-2xl) 0;
    background: var(--gradient-soft);
}

.faq-container {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background: var(--white);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-md);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    cursor: pointer;
    transition: all var(--transition-base);
    text-align: left;
    min-height: 44px;
}

.faq-question:hover {
    background: var(--gradient-soft);
}

.faq-q-icon {
    width: 32px;
    height: 32px;
    background: var(--primary-gradient);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: 700;
    flex-shrink: 0;
}

.faq-q-text {
    flex: 1;
    font-size: 17px;
    font-weight: 600;
    color: var(--text-primary);
}

.faq-arrow {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
    transition: transform var(--transition-base);
    flex-shrink: 0;
}

.faq-item.active .faq-arrow {
    transform: rotate(45deg);
}

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

.faq-item.active .faq-answer {
    max-height: 1000px;
}

.faq-answer p {
    padding: 0 var(--spacing-md) var(--spacing-md);
    padding-left: 64px;
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
}


/* ============================================
   FINAL CTA SECTION
   ============================================ */
.final-cta-section {
    padding: var(--spacing-2xl) 0;
    background: var(--primary-gradient);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.final-cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    animation: rotate 30s linear infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.final-cta-content {
    position: relative;
    z-index: 1;
}

.final-cta-image {
    margin-bottom: var(--spacing-lg);
}

.cta-product-image {
    max-width: 300px;
    margin: 0 auto;
    filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.3));
}

.animate-pulse {
    animation: pulse 3s infinite ease-in-out;
}

.final-cta-title {
    font-size: 28px;
    font-weight: 800;
    color: var(--white);
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}

.final-cta-pricing {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    margin-bottom: var(--spacing-md);
}

.final-price-old {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.7);
    text-decoration: line-through;
}

.final-price-new {
    font-size: 36px;
    font-weight: 800;
    color: var(--white);
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

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

.btn-final-cta:hover {
    transform: translateY(-3px) scale(1.05);
}

.final-cta-guarantee {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-top: var(--spacing-md);
}

.guarantee-text {
    font-size: 14px;
    color: var(--white);
    font-weight: 500;
}


/* ============================================
   FOOTER SECTION
   ============================================ */
.footer-section {
    padding: var(--spacing-2xl) 0 var(--spacing-md);
    background: var(--dark-color);
    color: rgba(255, 255, 255, 0.8);
}

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

.footer-heading {
    font-size: 18px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: var(--spacing-sm);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    font-size: 14px;
    transition: color var(--transition-fast);
}

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

.footer-text {
    font-size: 14px;
    margin-bottom: 8px;
}

.social-icons {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    margin-top: var(--spacing-sm);
}

.social-icon {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    transition: all var(--transition-base);
}

.social-icon:hover {
    background: var(--primary-gradient);
    transform: translateY(-3px);
}

.footer-disclaimer {
    background: rgba(0, 0, 0, 0.2);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.footer-disclaimer p {
    font-size: 13px;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.7);
}

.footer-copyright {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 14px;
}

.footer-copyright a {
    color: var(--secondary-color);
    text-decoration: underline;
}


/* ============================================
   SCROLL TO TOP BUTTON
   ============================================ */
.scroll-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 56px;
    height: 56px;
    background: var(--primary-gradient);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    z-index: 999;
    cursor: pointer;
}

.scroll-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-to-top:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.scroll-to-top:active {
    transform: scale(0.95);
}


/* ============================================
   PURCHASE POPUP NOTIFICATION
   ============================================ */
.purchase-popup {
    position: fixed;
    bottom: 20px;
    left: 20px;
    background: var(--white);
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-xl);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    opacity: 0;
    transform: translateX(-100%);
    transition: all var(--transition-base);
    z-index: 1001;
    max-width: 300px;
}

.purchase-popup.show {
    opacity: 1;
    transform: translateX(0);
}

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

.popup-icon {
    font-size: 24px;
    flex-shrink: 0;
}

.popup-text {
    flex: 1;
}

.popup-name {
    font-size: 14px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 2px;
}

.popup-message {
    font-size: 13px;
    color: var(--text-secondary);
}

.popup-close {
    font-size: 20px;
    color: var(--text-secondary);
    cursor: pointer;
    background: none;
    border: none;
    padding: 4px;
    line-height: 1;
    flex-shrink: 0;
    min-width: 24px;
    min-height: 24px;
}

.popup-close:hover {
    color: var(--text-primary);
}


/* ============================================
   CTA POPUP
   ============================================ */
.cta-popup {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.8);
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    padding: var(--spacing-xl);
    max-width: 500px;
    width: 90%;
    z-index: 1002;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    text-align: center;
}

.cta-popup.show {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, -50%) scale(1);
}

.cta-popup::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    z-index: -1;
    opacity: 0;
    transition: opacity var(--transition-base);
}

.cta-popup.show::before {
    opacity: 1;
}

.cta-popup-close {
    position: absolute;
    top: 15px;
    right: 15px;
    width: 32px;
    height: 32px;
    font-size: 24px;
    color: var(--text-secondary);
    background: var(--light-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.cta-popup-close:hover {
    background: var(--border-color);
    color: var(--text-primary);
    transform: rotate(90deg);
}

.cta-popup-icon {
    font-size: 48px;
    margin-bottom: var(--spacing-sm);
}

.cta-popup-title {
    font-size: 24px;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.cta-popup-text {
    font-size: 16px;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.cta-popup-guarantee {
    font-size: 14px;
    color: var(--accent-color);
    margin-top: var(--spacing-sm);
    font-weight: 600;
}


/* ============================================
   MEDIA QUERIES - TABLET (576px+)
   ============================================ */
@media (min-width: 576px) {
    .section-title {
        font-size: 32px;
    }
    
    .badges-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .reviews-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .pricing-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .ingredients-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
        text-align: left;
    }
    
    .social-icons {
        justify-content: flex-start;
    }
    
    .timer-value {
        font-size: 56px;
    }
}


/* ============================================
   MEDIA QUERIES - TABLET LANDSCAPE (768px+)
   ============================================ */
@media (min-width: 768px) {
    :root {
        --container-padding: 30px;
    }
    
    .section-title {
        font-size: 36px;
    }
    
    .hero-section {
        padding: 160px 0 100px;
    }
    
    .hero-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .hero-title {
        font-size: 42px;
    }
    
    .hero-content {
        text-align: left;
    }
    
    .hero-description {
        font-size: 17px;
    }
    
    .trust-badges {
        justify-content: flex-start;
    }
    
    .btn-hero {
        width: auto;
        display: inline-flex;
    }
    
    .badges-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .content-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .content-text {
        order: 1;
    }
    
    .content-image {
        order: 2;
    }
    
    .guarantee-grid {
        grid-template-columns: 1fr 1.5fr;
    }
    
    .footer-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}


/* ============================================
   MEDIA QUERIES - DESKTOP (992px+)
   ============================================ */
@media (min-width: 992px) {
    :root {
        --container-padding: 40px;
    }
    
    .section-title {
        font-size: 40px;
    }
    
    .hero-title {
        font-size: 48px;
    }
    
    .pricing-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .pricing-card.featured {
        transform: scale(1.05);
    }
    
    .reviews-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}


/* ============================================
   MEDIA QUERIES - LARGE DESKTOP (1200px+)
   ============================================ */
@media (min-width: 1200px) {
    .section-title {
        font-size: 44px;
    }
    
    .hero-title {
        font-size: 52px;
    }
}


/* ============================================
   MEDIA QUERIES - MOBILE ONLY (MAX 767px)
   ============================================ */
@media (max-width: 767px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        height: calc(100vh - 70px);
        background: var(--white);
        flex-direction: column;
        justify-content: flex-start;
        padding: var(--spacing-lg);
        gap: var(--spacing-md);
        transform: translateX(-100%);
        transition: transform var(--transition-base);
        box-shadow: var(--shadow-lg);
        overflow-y: auto;
    }
    
    .nav-menu.active {
        transform: translateX(0);
    }
    
    .nav-links {
        flex-direction: column;
        width: 100%;
        gap: 0;
    }
    
    .nav-link {
        display: block;
        padding: var(--spacing-sm);
        border-bottom: 1px solid var(--border-color);
        width: 100%;
    }
    
    .nav-cta {
        width: 100%;
    }
    
    .faq-answer p {
        padding-left: var(--spacing-md);
    }
    
    .purchase-popup {
        left: 10px;
        bottom: 10px;
        max-width: calc(100% - 20px);
    }
    
    .scroll-to-top {
        bottom: 20px;
        right: 20px;
    }
}


/* ============================================
   ACCESSIBILITY & REDUCED MOTION
   ============================================ */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* Focus Styles for Accessibility */
button:focus-visible,
a:focus-visible,
input:focus-visible {
    outline: 3px solid var(--primary-color);
    outline-offset: 2px;
}


/* ============================================
   PRINT STYLES
   ============================================ */
@media print {
    .navbar,
    .scroll-to-top,
    .purchase-popup,
    .cta-popup,
    .countdown-timer {
        display: none !important;
    }
    
    body {
        background: white;
        color: black;
    }
}