/* ================================
   MODERN GRADIENT DESIGN SYSTEM
   Mobile-First Responsive CSS
   ================================ */

/* ================================
   CSS RESET & BASE STYLES
   ================================ */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

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

body {
    font-family: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #1F2937;
    background: #F9FAFB;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

ul {
    list-style: none;
}

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

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

/* ================================
   CSS VARIABLES
   ================================ */

:root {
    /* Modern Gradient Colors */
    --primary-gradient: linear-gradient(135deg, #4F46E5 0%, #06B6D4 100%);
    --primary-color: #4F46E5;
    --secondary-color: #06B6D4;
    --accent-color: #10B981;
    
    /* Neutral Colors */
    --dark: #1F2937;
    --gray-dark: #374151;
    --gray: #6B7280;
    --gray-light: #D1D5DB;
    --gray-lighter: #F3F4F6;
    --white: #FFFFFF;
    
    /* Functional Colors */
    --success: #10B981;
    --warning: #F59E0B;
    --error: #EF4444;
    --info: #3B82F6;
    
    /* Spacing */
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 32px;
    --spacing-xl: 48px;
    --spacing-2xl: 64px;
    --spacing-3xl: 96px;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    
    /* Container Widths */
    --container-sm: 640px;
    --container-md: 768px;
    --container-lg: 1024px;
    --container-xl: 1280px;
    --container-2xl: 1536px;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* ================================
   UTILITY CLASSES
   ================================ */

.container {
    width: 100%;
    max-width: var(--container-xl);
    margin: 0 auto;
    padding-left: 20px;
    padding-right: 20px;
}

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

.section-subtitle {
    font-size: 16px;
    color: var(--gray);
    text-align: center;
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

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

/* ================================
   HEADER & NAVIGATION
   ================================ */

.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: all var(--transition-base);
}

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

.navbar {
    padding: 16px 0;
}

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

.logo a {
    font-size: 24px;
    font-weight: 700;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-symbol {
    font-size: 16px;
    vertical-align: super;
}

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

.nav-link {
    font-size: 15px;
    font-weight: 500;
    color: var(--gray-dark);
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    transition: all var(--transition-base);
}

.nav-link:hover {
    color: var(--primary-color);
    background: rgba(79, 70, 229, 0.05);
}

.nav-cta-btn {
    background: var(--primary-gradient);
    color: var(--white);
    padding: 10px 24px;
    border-radius: var(--radius-full);
    font-size: 15px;
    font-weight: 600;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.nav-cta-btn:active {
    transform: translateY(0);
}

/* Hamburger Menu */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--dark);
    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);
}

/* Mobile Navigation */
@media (max-width: 767px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: var(--white);
        flex-direction: column;
        align-items: stretch;
        padding: 80px 24px 24px;
        box-shadow: var(--shadow-2xl);
        transition: right 0.4s ease;
        gap: 8px;
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .nav-link,
    .nav-cta-btn {
        width: 100%;
        text-align: center;
        padding: 14px 20px;
    }
}

/* ================================
   HERO SECTION
   ================================ */

.hero-section {
    padding: 120px 0 var(--spacing-2xl);
    background: linear-gradient(135deg, #F0F9FF 0%, #E0E7FF 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 ease-in-out infinite;
}

.hero-section::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(6, 182, 212, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 15s ease-in-out infinite reverse;
}

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

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

.product-showcase {
    position: relative;
    max-width: 400px;
    animation: fadeInUp 1s ease-out;
}

.hero-product-img {
    width: 100%;
    filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.15));
    animation: productFloat 3s ease-in-out infinite;
}

.floating-badge {
    position: absolute;
    top: 20px;
    right: -10px;
    background: var(--success);
    color: var(--white);
    padding: 8px 16px;
    border-radius: var(--radius-full);
    font-size: 13px;
    font-weight: 600;
    box-shadow: var(--shadow-lg);
    animation: pulse 2s ease-in-out infinite;
}

.pulse-ring {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    height: 100%;
    border: 3px solid var(--primary-color);
    border-radius: 50%;
    opacity: 0;
    animation: pulseRing 2s ease-out infinite;
}

.hero-content {
    animation: fadeInUp 1s ease-out 0.3s both;
}

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

.hero-description {
    font-size: 16px;
    color: var(--gray-dark);
    line-height: 1.8;
    margin-bottom: var(--spacing-sm);
}

.hero-cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--primary-gradient);
    color: var(--white);
    padding: 16px 32px;
    border-radius: var(--radius-full);
    font-size: 17px;
    font-weight: 700;
    box-shadow: var(--shadow-xl);
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    transition: all var(--transition-base);
    min-height: 56px;
    width: 100%;
    justify-content: center;
}

.hero-cta-btn:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-2xl);
}

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

.btn-arrow {
    transition: transform var(--transition-base);
}

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

.trust-indicators {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--gray-dark);
}

.check-icon {
    flex-shrink: 0;
}

/* ================================
   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-lg);
}

.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);
    border: 2px solid transparent;
    opacity: 0;
    transform: translateY(30px);
}

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

.badge-card:hover {
    transform: translateY(-8px) rotate(1deg);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.badge-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-md);
}

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

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

.badge-description {
    font-size: 14px;
    color: var(--gray);
    line-height: 1.7;
}

/* ================================
   WHAT IS SECTION
   ================================ */

.what-is-section {
    padding: var(--spacing-2xl) 0;
    background: linear-gradient(135deg, #F0F9FF 0%, #E0E7FF 100%);
}

.what-is-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    align-items: center;
    margin-top: var(--spacing-lg);
}

.what-is-text p {
    font-size: 16px;
    color: var(--gray-dark);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

.what-is-image {
    display: flex;
    justify-content: center;
}

.product-support-img {
    max-width: 100%;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
}

/* ================================
   HOW IT WORKS SECTION
   ================================ */

.how-it-works-section {
    padding: var(--spacing-2xl) 0;
    background: var(--white);
}

.accordion-container {
    max-width: 900px;
    margin: var(--spacing-lg) auto 0;
}

.accordion-item {
    background: var(--white);
    border: 2px solid var(--gray-lighter);
    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;
    justify-content: space-between;
    padding: var(--spacing-md);
    background: var(--gray-lighter);
    cursor: pointer;
    transition: all var(--transition-base);
    min-height: 60px;
}

.accordion-header:hover {
    background: rgba(79, 70, 229, 0.05);
}

.accordion-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--dark);
    text-align: left;
}

.accordion-icon {
    flex-shrink: 0;
    transition: transform var(--transition-base);
}

.accordion-item.active .accordion-icon {
    transform: rotate(180deg);
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
}

.accordion-item.active .accordion-content {
    max-height: 500px;
}

.accordion-content p {
    padding: var(--spacing-md);
    font-size: 15px;
    color: var(--gray-dark);
    line-height: 1.8;
}

/* ================================
   REVIEWS SECTION
   ================================ */

.reviews-section {
    padding: var(--spacing-2xl) 0;
    background: linear-gradient(135deg, #F0F9FF 0%, #E0E7FF 100%);
}

.reviews-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
    margin-top: 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(0.95);
}

.review-card.aos-animate {
    opacity: 1;
    transform: scale(1);
}

.review-card:hover {
    transform: translateY(-5px) scale(1.02);
    box-shadow: var(--shadow-xl);
}

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

.reviewer-image {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    overflow: hidden;
    border: 3px solid var(--primary-color);
    flex-shrink: 0;
}

.reviewer-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.reviewer-info {
    flex: 1;
}

.reviewer-name {
    font-size: 17px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 2px;
}

.reviewer-location {
    font-size: 13px;
    color: var(--gray);
    margin-bottom: 4px;
}

.star-rating {
    display: flex;
    gap: 2px;
}

.star {
    color: #F59E0B;
    font-size: 16px;
}

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

/* ================================
   PRICING SECTION
   ================================ */

.pricing-section {
    padding: var(--spacing-2xl) 0;
    background: var(--white);
    position: relative;
    overflow: hidden;
}

.pricing-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 300px;
    background: linear-gradient(180deg, rgba(79, 70, 229, 0.03) 0%, transparent 100%);
    pointer-events: none;
}

.countdown-timer {
    max-width: 400px;
    margin: var(--spacing-lg) auto;
    text-align: center;
}

.timer-label {
    font-size: 16px;
    font-weight: 600;
    color: var(--gray-dark);
    margin-bottom: var(--spacing-sm);
}

.timer-display {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    background: var(--primary-gradient);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
}

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

.timer-value {
    font-size: 36px;
    font-weight: 800;
    color: var(--white);
    line-height: 1;
    min-width: 60px;
}

.timer-text {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.9);
    margin-top: 4px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.timer-colon {
    font-size: 36px;
    font-weight: 800;
    color: var(--white);
    line-height: 1;
    animation: blink 1s ease-in-out infinite;
}

.pricing-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
    position: relative;
    z-index: 1;
}

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

.pricing-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-2xl);
    border-color: var(--primary-color);
}

.pricing-card.popular {
    border-color: var(--primary-color);
    border-width: 3px;
    transform: scale(1);
}

.pricing-card.popular:hover {
    transform: translateY(-5px) scale(1.02);
}

.popular-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary-gradient);
    color: var(--white);
    padding: 6px 20px;
    border-radius: var(--radius-full);
    font-size: 12px;
    font-weight: 700;
    box-shadow: var(--shadow-md);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.pricing-label {
    font-size: 14px;
    font-weight: 700;
    color: var(--primary-color);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: var(--spacing-xs);
}

.pricing-bottles {
    font-size: 24px;
    font-weight: 800;
    color: var(--dark);
    margin-bottom: var(--spacing-xs);
}

.pricing-supply {
    font-size: 14px;
    color: var(--gray);
    margin-bottom: var(--spacing-md);
}

.pricing-image {
    margin: var(--spacing-md) 0;
}

.pricing-image img {
    max-width: 200px;
    margin: 0 auto;
}

.pricing-price {
    margin: var(--spacing-md) 0;
}

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

.price-text {
    font-size: 14px;
    color: var(--gray);
    margin-top: 4px;
}

.pricing-total {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin: var(--spacing-md) 0;
}

.old-price {
    font-size: 24px;
    color: var(--gray);
    text-decoration: line-through;
}

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

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

.bonus-badge {
    background: linear-gradient(135deg, #10B981 0%, #059669 100%);
    color: var(--white);
    padding: 6px 16px;
    border-radius: var(--radius-full);
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.pricing-btn {
    display: block;
    width: 100%;
    background: var(--primary-gradient);
    color: var(--white);
    padding: 16px 32px;
    border-radius: var(--radius-full);
    font-size: 17px;
    font-weight: 700;
    box-shadow: var(--shadow-lg);
    margin: var(--spacing-md) 0;
    transition: all var(--transition-base);
    min-height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

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

.payment-logos {
    margin-top: var(--spacing-md);
}

.payment-logos img {
    max-width: 250px;
    margin: 0 auto;
    opacity: 0.8;
}

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

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

/* ================================
   INGREDIENTS SECTION
   ================================ */

.ingredients-section {
    padding: var(--spacing-2xl) 0;
    background: linear-gradient(135deg, #F0F9FF 0%, #E0E7FF 100%);
}

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

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

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

.ingredient-name {
    font-size: 20px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: var(--spacing-sm);
}

.ingredient-description {
    font-size: 15px;
    color: var(--gray-dark);
    line-height: 1.7;
    margin-bottom: var(--spacing-sm);
}

.ingredient-benefits {
    font-size: 14px;
    color: var(--gray);
    line-height: 1.6;
}

.ingredient-benefits strong {
    color: var(--primary-color);
}

/* ================================
   SCIENTIFIC EVIDENCE SECTION
   ================================ */

.scientific-section {
    padding: var(--spacing-2xl) 0;
    background: var(--white);
}

.science-content {
    max-width: 900px;
    margin: var(--spacing-lg) auto 0;
}

.science-intro p {
    font-size: 16px;
    color: var(--gray-dark);
    line-height: 1.8;
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.evidence-accordion {
    margin-top: var(--spacing-lg);
}

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

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

.evidence-header {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md);
    background: var(--gray-lighter);
    cursor: pointer;
    transition: all var(--transition-base);
    min-height: 60px;
}

.evidence-header:hover {
    background: rgba(79, 70, 229, 0.05);
}

.evidence-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--dark);
    text-align: left;
}

.evidence-item.active .accordion-icon {
    transform: rotate(180deg);
}

.evidence-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
}

.evidence-item.active .evidence-content {
    max-height: 600px;
}

.evidence-content p {
    padding: var(--spacing-md);
    font-size: 15px;
    color: var(--gray-dark);
    line-height: 1.8;
}

/* ================================
   GUARANTEE SECTION
   ================================ */

.guarantee-section {
    padding: var(--spacing-2xl) 0;
    background: linear-gradient(135deg, #F0F9FF 0%, #E0E7FF 100%);
}

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

.guarantee-image {
    display: flex;
    justify-content: center;
}

.guarantee-image img {
    max-width: 300px;
    animation: pulse 2s ease-in-out infinite;
}

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

.guarantee-item h3 {
    font-size: 22px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: var(--spacing-sm);
}

.guarantee-item p {
    font-size: 15px;
    color: var(--gray-dark);
    line-height: 1.8;
}

/* ================================
   BENEFITS SECTION
   ================================ */

.benefits-section {
    padding: var(--spacing-2xl) 0;
    background: var(--white);
}

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

.benefit-item {
    display: flex;
    gap: var(--spacing-md);
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    border: 2px solid transparent;
}

.benefit-item:hover {
    transform: translateX(8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.benefit-icon {
    flex-shrink: 0;
}

.benefit-content h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: var(--spacing-xs);
}

.benefit-content p {
    font-size: 15px;
    color: var(--gray-dark);
    line-height: 1.7;
}

/* ================================
   FAQ SECTION
   ================================ */

.faq-section {
    padding: var(--spacing-2xl) 0;
    background: linear-gradient(135deg, #F0F9FF 0%, #E0E7FF 100%);
}

.faq-container {
    max-width: 900px;
    margin: var(--spacing-lg) auto 0;
}

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

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

.faq-header {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md);
    background: var(--white);
    cursor: pointer;
    transition: all var(--transition-base);
    min-height: 60px;
}

.faq-header:hover {
    background: rgba(79, 70, 229, 0.05);
}

.faq-question {
    font-size: 17px;
    font-weight: 600;
    color: var(--dark);
    text-align: left;
}

.faq-item.active .accordion-icon {
    transform: rotate(180deg);
}

.faq-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
}

.faq-item.active .faq-content {
    max-height: 600px;
}

.faq-content p {
    padding: 0 var(--spacing-md) var(--spacing-md);
    font-size: 15px;
    color: var(--gray-dark);
    line-height: 1.8;
}

/* ================================
   FINAL CTA SECTION
   ================================ */

.final-cta-section {
    padding: var(--spacing-2xl) 0;
    background: var(--white);
    position: relative;
    overflow: hidden;
}

.final-cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(79, 70, 229, 0.05) 0%, transparent 70%);
    border-radius: 50%;
}

.final-cta-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    align-items: center;
    position: relative;
    z-index: 1;
}

.final-cta-image {
    display: flex;
    justify-content: center;
}

.final-product-img {
    max-width: 350px;
    animation: productFloat 3s ease-in-out infinite;
    filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.15));
}

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

.final-cta-title {
    font-size: 28px;
    font-weight: 800;
    color: var(--dark);
    line-height: 1.3;
    margin-bottom: var(--spacing-lg);
}

.final-pricing {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.final-regular-price,
.final-special-price {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.price-label {
    font-size: 14px;
    color: var(--gray);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.final-regular-price .price-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--gray);
}

.final-special-price .price-value {
    font-size: 42px;
    font-weight: 800;
}

.strikethrough {
    text-decoration: line-through;
}

.final-special-price .highlight {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.final-cta-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-gradient);
    color: var(--white);
    padding: 18px 48px;
    border-radius: var(--radius-full);
    font-size: 18px;
    font-weight: 700;
    box-shadow: var(--shadow-xl);
    margin-bottom: var(--spacing-md);
    transition: all var(--transition-base);
    min-height: 60px;
    width: 100%;
    max-width: 400px;
}

.final-cta-btn:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-2xl);
}

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

.final-guarantee {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 14px;
    color: var(--success);
    font-weight: 600;
}

/* ================================
   FOOTER
   ================================ */

.footer {
    background: linear-gradient(135deg, #1F2937 0%, #111827 100%);
    color: rgba(255, 255, 255, 0.8);
    padding: var(--spacing-2xl) 0 var(--spacing-md);
}

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

.footer-column {
    text-align: center;
}

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

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

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
    transition: color var(--transition-base);
}

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

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

.social-icon {
    width: 44px;
    height: 44px;
    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(255, 255, 255, 0.05);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.footer-disclaimer h4 {
    font-size: 16px;
    color: var(--white);
    margin-bottom: var(--spacing-sm);
}

.footer-disclaimer p {
    font-size: 13px;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.6);
}

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

.copyright {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
}

/* ================================
   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-xl);
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    z-index: 999;
}

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

.scroll-to-top:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-2xl);
}

.scroll-to-top:active {
    transform: translateY(-2px) scale(0.95);
}

/* ================================
   PURCHASE POPUP NOTIFICATION
   ================================ */

.purchase-popup {
    position: fixed;
    bottom: 30px;
    left: 30px;
    background: var(--white);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-2xl);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    max-width: 350px;
    z-index: 998;
    opacity: 0;
    visibility: hidden;
    transform: translateX(-100%);
    transition: all 0.5s ease;
}

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

.popup-content {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    flex: 1;
}

.popup-icon {
    width: 40px;
    height: 40px;
    background: rgba(16, 185, 129, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.popup-text {
    flex: 1;
}

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

.popup-action {
    font-size: 13px;
    color: var(--gray-dark);
    margin-bottom: 2px;
}

.popup-time {
    font-size: 12px;
    color: var(--gray);
}

.popup-close {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--gray-lighter);
    color: var(--gray-dark);
    font-size: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-base);
    flex-shrink: 0;
}

.popup-close:hover {
    background: var(--gray-light);
    color: var(--dark);
}

/* ================================
   CTA POPUP
   ================================ */

.cta-popup {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s ease;
    padding: 20px;
}

.cta-popup.show {
    opacity: 1;
    visibility: visible;
}

.cta-popup-content {
    background: var(--white);
    border-radius: var(--radius-xl);
    max-width: 500px;
    width: 100%;
    position: relative;
    transform: scale(0.9);
    transition: transform 0.4s ease;
    box-shadow: var(--shadow-2xl);
}

.cta-popup.show .cta-popup-content {
    transform: scale(1);
}

.cta-popup-close {
    position: absolute;
    top: 15px;
    right: 15px;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--gray-lighter);
    color: var(--gray-dark);
    font-size: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-base);
    z-index: 1;
}

.cta-popup-close:hover {
    background: var(--gray-light);
    color: var(--dark);
    transform: rotate(90deg);
}

.cta-popup-inner {
    padding: var(--spacing-xl);
    text-align: center;
}

.cta-popup-title {
    font-size: 26px;
    font-weight: 800;
    color: var(--dark);
    margin-bottom: var(--spacing-md);
    line-height: 1.3;
}

.cta-popup-text {
    font-size: 16px;
    color: var(--gray-dark);
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
}

.cta-popup-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-gradient);
    color: var(--white);
    padding: 16px 40px;
    border-radius: var(--radius-full);
    font-size: 17px;
    font-weight: 700;
    box-shadow: var(--shadow-xl);
    transition: all var(--transition-base);
    min-height: 56px;
}

.cta-popup-btn:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-2xl);
}

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

/* ================================
   ANIMATIONS
   ================================ */

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

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

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

@keyframes pulseRing {
    0% {
        transform: translate(-50%, -50%) scale(0.8);
        opacity: 1;
    }
    100% {
        transform: translate(-50%, -50%) scale(1.5);
        opacity: 0;
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
    }
    50% {
        transform: translateY(-30px) rotate(5deg);
    }
}

@keyframes blink {
    0%, 49%, 100% {
        opacity: 1;
    }
    50%, 99% {
        opacity: 0.3;
    }
}

/* ================================
   MOBILE RESPONSIVE
   ================================ */

/* Small Phones (320px) */
@media (min-width: 320px) {
    .section-title {
        font-size: 24px;
    }
    
    .hero-title {
        font-size: 28px;
    }
    
    .timer-value {
        font-size: 32px;
        min-width: 50px;
    }
}

/* Phones (480px) */
@media (min-width: 480px) {
    .section-title {
        font-size: 28px;
    }
    
    .hero-title {
        font-size: 32px;
    }
    
    .badges-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .reviews-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Large Phones (576px) */
@media (min-width: 576px) {
    .container {
        padding-left: 24px;
        padding-right: 24px;
    }
    
    .hero-cta-btn,
    .pricing-btn,
    .final-cta-btn {
        width: auto;
    }
    
    .trust-indicators {
        flex-direction: row;
        flex-wrap: wrap;
    }
    
    .pricing-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .ingredients-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Tablets (768px) */
@media (min-width: 768px) {
    html {
        font-size: 16px;
    }
    
    .section-title {
        font-size: 36px;
    }
    
    .section-subtitle {
        font-size: 18px;
    }
    
    .hero-section {
        padding: 140px 0 var(--spacing-3xl);
    }
    
    .hero-container {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-xl);
    }
    
    .hero-title {
        font-size: 42px;
    }
    
    .hero-description {
        font-size: 17px;
    }
    
    .badges-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-lg);
    }
    
    .what-is-content {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-xl);
    }
    
    .reviews-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .pricing-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .guarantee-content {
        grid-template-columns: 1fr 1.5fr;
        gap: var(--spacing-xl);
    }
    
    .final-cta-content {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-xl);
    }
    
    .final-cta-text {
        text-align: left;
    }
    
    .final-pricing {
        align-items: flex-start;
    }
    
    .final-regular-price,
    .final-special-price {
        align-items: flex-start;
    }
    
    .final-guarantee {
        justify-content: flex-start;
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-column {
        text-align: left;
    }
    
    .social-icons {
        justify-content: flex-start;
    }
    
    .purchase-popup {
        max-width: 400px;
    }
}

/* Small Laptops (1024px) */
@media (min-width: 1024px) {
    .section-title {
        font-size: 40px;
    }
    
    .hero-title {
        font-size: 48px;
    }
    
    .badges-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .final-cta-title {
        font-size: 36px;
    }
}

/* Desktop (1440px) */
@media (min-width: 1440px) {
    .container {
        max-width: var(--container-2xl);
    }
    
    .section-title {
        font-size: 44px;
    }
    
    .hero-title {
        font-size: 52px;
    }
}

/* ================================
   REDUCED MOTION
   ================================ */

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ================================
   PRINT STYLES
   ================================ */

@media print {
    .header,
    .scroll-to-top,
    .purchase-popup,
    .cta-popup,
    .countdown-timer {
        display: none !important;
    }
    
    body {
        background: white;
    }
}