/* ===================================
   HEPATOBURN - MODERN MEDICAL PROFESSIONAL DESIGN
   Mobile-First Responsive CSS
   =================================== */

/* CSS VARIABLES */
:root {
    /* Primary Colors - Medical Blue Theme */
    --color-primary: #0A2540;
    --color-primary-light: #1E40AF;
    --color-primary-lighter: #3B82F6;
    --color-secondary: #F59E0B;
    --color-accent: #10B981;
    
    /* Neutral Colors */
    --color-white: #FFFFFF;
    --color-light-gray: #F8FAFC;
    --color-medium-gray: #E2E8F0;
    --color-dark-gray: #64748B;
    --color-text: #1E293B;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #0A2540 0%, #1E40AF 100%);
    --gradient-secondary: linear-gradient(135deg, #F59E0B 0%, #EF4444 100%);
    --gradient-accent: linear-gradient(135deg, #10B981 0%, #06B6D4 100%);
    
    /* 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);
    
    /* Typography */
    --font-display: 'Playfair Display', serif;
    --font-body: 'Source Sans 3', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;
}

/* 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: var(--font-body);
    font-size: 16px;
    line-height: 1.7;
    color: var(--color-text);
    background-color: var(--color-white);
    overflow-x: hidden;
}

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

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

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

ul {
    list-style: none;
}

input, select, textarea {
    font-size: 16px; /* Prevent zoom on iOS */
}

/* UTILITY CLASSES */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding-left: 20px;
    padding-right: 20px;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(28px, 5vw, 42px);
    font-weight: 700;
    color: var(--color-primary);
    text-align: center;
    margin-bottom: var(--spacing-xl);
    line-height: 1.2;
}

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

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

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

@keyframes slideLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

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

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

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

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

/* Animation trigger classes */
[data-animate] {
    opacity: 0;
}

[data-animate].animated {
    animation-duration: 0.8s;
    animation-fill-mode: both;
}

[data-animate="fade-up"].animated {
    animation-name: slideUp;
}

[data-animate="slide-left"].animated {
    animation-name: slideLeft;
}

[data-animate="slide-right"].animated {
    animation-name: slideRight;
}

[data-animate="zoom-in"].animated {
    animation-name: zoomIn;
}

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

/* ===================================
   SECTION 1: NAVIGATION
   =================================== */
.main-nav {
    background-color: var(--color-white);
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: all var(--transition-base);
}

.main-nav.scrolled {
    padding: 0.5rem 0;
    box-shadow: var(--shadow-lg);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
}

.logo-icon {
    font-size: 1.75rem;
}

.nav-links {
    display: none;
    gap: 2rem;
}

.nav-link {
    font-weight: 600;
    color: var(--color-text);
    position: relative;
    padding: 0.5rem 0;
}

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

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

.nav-cta {
    display: none;
    padding: 0.75rem 1.5rem;
    background: var(--gradient-primary);
    color: var(--color-white);
    border-radius: var(--radius-full);
    font-weight: 600;
    transition: all var(--transition-base);
}

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

.hamburger {
    display: flex;
    flex-direction: column;
    gap: 5px;
    width: 28px;
    height: 28px;
    cursor: pointer;
    z-index: 1001;
}

.hamburger span {
    width: 100%;
    height: 3px;
    background-color: var(--color-primary);
    border-radius: var(--radius-sm);
    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(8px, -8px);
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 300px;
    height: 100vh;
    background-color: var(--color-white);
    box-shadow: var(--shadow-xl);
    z-index: 999;
    transition: right var(--transition-slow);
    padding: 5rem 2rem 2rem;
}

.mobile-menu.active {
    right: 0;
}

.mobile-nav-links {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.mobile-nav-link {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-text);
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--color-medium-gray);
}

.mobile-nav-cta {
    display: inline-block;
    margin-top: 1rem;
    padding: 1rem 2rem;
    background: var(--gradient-primary);
    color: var(--color-white);
    border-radius: var(--radius-full);
    font-weight: 600;
    text-align: center;
}

/* ===================================
   SECTION 2: HERO SECTION
   =================================== */
.hero-section {
    position: relative;
    padding: 3rem 0;
    background: linear-gradient(135deg, #F8FAFC 0%, #E0F2FE 100%);
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.1) 0%, transparent 70%);
    animation: float 20s infinite ease-in-out;
}

.hero-container {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

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

.hero-image-wrapper {
    position: relative;
    max-width: 400px;
    width: 100%;
}

.product-bottle {
    width: 100%;
    height: auto;
    animation: float 6s infinite ease-in-out;
    filter: drop-shadow(0 20px 40px rgba(10, 37, 64, 0.2));
}

.hero-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 120%;
    height: 120%;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.3) 0%, transparent 70%);
    animation: pulse 3s infinite ease-in-out;
    z-index: -1;
}

.floating-badge {
    position: absolute;
    top: 10%;
    right: -5%;
    background: var(--color-white);
    padding: 0.75rem 1.25rem;
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-xl);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    color: var(--color-primary);
    animation: float 4s infinite ease-in-out;
}

.badge-icon {
    font-size: 1.25rem;
    color: var(--color-accent);
}

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

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(32px, 6vw, 52px);
    font-weight: 900;
    line-height: 1.2;
    color: var(--color-primary);
    margin-bottom: 1.5rem;
}

.hero-description {
    font-size: 1.0625rem;
    line-height: 1.8;
    color: var(--color-dark-gray);
    margin-bottom: 1rem;
}

.hero-cta {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1.25rem 2.5rem;
    background: var(--gradient-secondary);
    color: var(--color-white);
    font-size: 1.125rem;
    font-weight: 700;
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-lg);
    margin: 1.5rem 0;
    width: 100%;
    max-width: 400px;
    justify-content: center;
    transition: all var(--transition-base);
}

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

.cta-arrow {
    font-size: 1.5rem;
    transition: transform var(--transition-base);
}

.hero-cta:hover .cta-arrow {
    transform: translateX(5px);
}

.hero-trust-badges {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1.5rem;
    margin-top: 2rem;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--color-dark-gray);
}

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

/* ===================================
   SECTION 3: WHY CHOOSE US
   =================================== */
.why-choose-us {
    padding: 4rem 0;
    background-color: var(--color-white);
}

.badges-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

.badge-card {
    background: var(--color-light-gray);
    padding: 2rem 1.5rem;
    border-radius: var(--radius-lg);
    text-align: center;
    transition: all var(--transition-slow);
    border: 2px solid transparent;
}

.badge-card:hover {
    transform: translateY(-5px) scale(1.02) rotate(1deg);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-primary-lighter);
}

.badge-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
}

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

.badge-title {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 1rem;
}

.badge-description {
    font-size: 0.9375rem;
    line-height: 1.7;
    color: var(--color-dark-gray);
}

/* ===================================
   SECTION 4: WHAT IS PRODUCT
   =================================== */
.what-is-product {
    padding: 4rem 0;
    background: linear-gradient(135deg, #E0F2FE 0%, #F8FAFC 100%);
}

.what-is-grid {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.what-is-content {
    order: 2;
}

.what-is-text {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--color-dark-gray);
    margin-bottom: 1.25rem;
}

.what-is-image {
    order: 1;
}

.what-is-image img {
    width: 100%;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
}

/* ===================================
   SECTION 5: HOW IT WORKS
   =================================== */
.how-it-works {
    padding: 4rem 0;
    background-color: var(--color-white);
}

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

.accordion-item {
    margin-bottom: 1rem;
    border: 2px solid var(--color-medium-gray);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-base);
}

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

.accordion-header {
    width: 100%;
    padding: 1.25rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    background-color: var(--color-light-gray);
    cursor: pointer;
    transition: all var(--transition-base);
    min-height: 48px;
}

.accordion-header:hover {
    background-color: var(--color-medium-gray);
}

.accordion-icon {
    font-size: 1.75rem;
    flex-shrink: 0;
}

.accordion-title {
    flex-grow: 1;
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-primary);
    text-align: left;
}

.accordion-toggle {
    font-size: 1.75rem;
    font-weight: 300;
    color: var(--color-primary);
    transition: transform var(--transition-base);
    flex-shrink: 0;
}

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

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

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

.accordion-content p {
    padding: 1.5rem;
    font-size: 1rem;
    line-height: 1.8;
    color: var(--color-dark-gray);
}

/* ===================================
   SECTION 6: CUSTOMER REVIEWS
   =================================== */
.customer-reviews {
    padding: 4rem 0;
    background: linear-gradient(135deg, #F8FAFC 0%, #E0F2FE 100%);
}

.reviews-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

.review-card {
    background: var(--color-white);
    padding: 2rem 1.5rem;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    text-align: center;
    transition: all var(--transition-slow);
}

.review-card:hover {
    transform: translateY(-10px) scale(1.03);
    box-shadow: var(--shadow-xl);
}

.review-image {
    width: 100px;
    height: 100px;
    margin: 0 auto 1rem;
    border-radius: var(--radius-full);
    overflow: hidden;
    border: 4px solid var(--color-primary-lighter);
}

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

.review-rating {
    display: flex;
    justify-content: center;
    gap: 0.25rem;
    margin-bottom: 1rem;
}

.star {
    font-size: 1.25rem;
    color: #F59E0B;
}

.review-name {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 0.25rem;
}

.review-location {
    font-size: 0.875rem;
    color: var(--color-dark-gray);
    margin-bottom: 1rem;
}

.review-text {
    font-size: 0.9375rem;
    line-height: 1.7;
    color: var(--color-text);
    font-style: italic;
}

/* ===================================
   SECTION 7: PRICING
   =================================== */
.pricing-section {
    padding: 4rem 0;
    background-color: var(--color-white);
}

.pricing-subtitle {
    text-align: center;
    font-size: 1.125rem;
    color: var(--color-dark-gray);
    margin-bottom: 2rem;
}

.countdown-timer {
    max-width: 500px;
    margin: 0 auto 3rem;
    padding: 1.5rem;
    background: var(--gradient-secondary);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    text-align: center;
}

.timer-label {
    color: var(--color-white);
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.timer-display {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
}

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

.timer-number {
    font-size: clamp(36px, 8vw, 48px);
    font-weight: 900;
    color: var(--color-white);
    font-family: var(--font-display);
    line-height: 1;
}

.timer-text {
    font-size: 0.875rem;
    color: var(--color-white);
    margin-top: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.timer-separator {
    font-size: 2.5rem;
    color: var(--color-white);
    font-weight: 700;
}

.pricing-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
}

.pricing-card {
    position: relative;
    background: var(--color-light-gray);
    padding: 2rem 1.5rem;
    border-radius: var(--radius-xl);
    border: 3px solid var(--color-medium-gray);
    text-align: center;
    transition: all var(--transition-slow);
}

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

.pricing-card.popular {
    background: linear-gradient(135deg, #FEF3C7 0%, #FDE68A 100%);
    border-color: var(--color-secondary);
    transform: scale(1.02);
}

.popular-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-secondary);
    color: var(--color-white);
    padding: 0.5rem 1.5rem;
    border-radius: var(--radius-full);
    font-weight: 700;
    font-size: 0.875rem;
    box-shadow: var(--shadow-lg);
    white-space: nowrap;
}

.pricing-label {
    font-family: var(--font-display);
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 0.5rem;
}

.pricing-bottles {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 0.5rem;
}

.pricing-supply {
    font-size: 0.9375rem;
    color: var(--color-dark-gray);
    margin-bottom: 1.5rem;
}

.pricing-image {
    max-width: 200px;
    margin: 0 auto 1.5rem;
}

.pricing-price {
    margin-bottom: 1rem;
}

.price-per {
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--color-primary);
    font-family: var(--font-display);
}

.price-bottle {
    font-size: 1rem;
    color: var(--color-dark-gray);
}

.pricing-total {
    margin-bottom: 1.5rem;
}

.price-old {
    font-size: 1.25rem;
    color: var(--color-dark-gray);
    text-decoration: line-through;
    margin-right: 0.5rem;
}

.price-new {
    font-size: 2rem;
    font-weight: 900;
    color: var(--color-accent);
    font-family: var(--font-display);
}

.pricing-badges {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.badge-bonus,
.badge-shipping {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: var(--color-white);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-primary);
    box-shadow: var(--shadow-sm);
}

.pricing-cta {
    display: block;
    margin-bottom: 1rem;
    transition: all var(--transition-base);
}

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

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

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

.rating-image {
    text-align: center;
    margin-top: 2rem;
}

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

/* ===================================
   SECTION 9: INGREDIENTS
   =================================== */
.ingredients-section {
    padding: 4rem 0;
    background: linear-gradient(135deg, #E0F2FE 0%, #F8FAFC 100%);
}

.ingredients-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

.ingredient-card {
    background: var(--color-white);
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--color-primary-lighter);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

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

.ingredient-name {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 0.75rem;
}

.ingredient-description {
    font-size: 0.9375rem;
    line-height: 1.7;
    color: var(--color-dark-gray);
}

/* ===================================
   SECTION 10: SCIENTIFIC EVIDENCE
   =================================== */
.scientific-evidence {
    padding: 4rem 0;
    background-color: var(--color-white);
}

.evidence-intro {
    text-align: center;
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--color-dark-gray);
    max-width: 800px;
    margin: 0 auto 3rem;
}

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

.evidence-item {
    margin-bottom: 1rem;
    border: 2px solid var(--color-medium-gray);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.evidence-header {
    width: 100%;
    padding: 1.25rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background-color: var(--color-light-gray);
    cursor: pointer;
    transition: all var(--transition-base);
    min-height: 48px;
}

.evidence-header:hover {
    background-color: var(--color-medium-gray);
}

.evidence-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-primary);
    text-align: left;
}

.evidence-toggle {
    font-size: 1.75rem;
    font-weight: 300;
    color: var(--color-primary);
    transition: transform var(--transition-base);
}

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

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

.evidence-item.active .evidence-body {
    max-height: 500px;
}

.evidence-body p {
    padding: 1.5rem;
    font-size: 1rem;
    line-height: 1.8;
    color: var(--color-dark-gray);
}

/* ===================================
   SECTION 11: GUARANTEE
   =================================== */
.guarantee-section {
    padding: 4rem 0;
    background: linear-gradient(135deg, #F8FAFC 0%, #E0F2FE 100%);
}

.guarantee-grid {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.guarantee-image {
    order: 1;
    text-align: center;
}

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

.guarantee-content {
    order: 2;
}

.guarantee-item {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.guarantee-icon {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    background: var(--gradient-accent);
    color: var(--color-white);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
}

.guarantee-text h3 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 0.75rem;
}

.guarantee-text p {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--color-dark-gray);
}

/* ===================================
   SECTION 12: BENEFITS
   =================================== */
.benefits-section {
    padding: 4rem 0;
    background-color: var(--color-white);
}

.benefits-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

.benefit-item {
    display: flex;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--color-light-gray);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.benefit-item:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow-lg);
    background: var(--color-white);
}

.benefit-icon {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    background: var(--gradient-accent);
    color: var(--color-white);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    font-weight: 700;
}

.benefit-content h3 {
    font-family: var(--font-display);
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 0.5rem;
}

.benefit-content p {
    font-size: 0.9375rem;
    line-height: 1.7;
    color: var(--color-dark-gray);
}

/* ===================================
   SECTION 14: FAQ
   =================================== */
.faq-section {
    padding: 4rem 0;
    background: linear-gradient(135deg, #E0F2FE 0%, #F8FAFC 100%);
}

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

.faq-item {
    margin-bottom: 1rem;
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
}

.faq-header {
    width: 100%;
    padding: 1.25rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    transition: all var(--transition-base);
    min-height: 48px;
}

.faq-header:hover {
    background-color: var(--color-light-gray);
}

.faq-question {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-primary);
    text-align: left;
    flex-grow: 1;
}

.faq-toggle {
    font-size: 1.75rem;
    font-weight: 300;
    color: var(--color-primary);
    transition: transform var(--transition-base);
    flex-shrink: 0;
    margin-left: 1rem;
}

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

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

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

.faq-content p {
    padding: 0 1.5rem 1.5rem;
    font-size: 1rem;
    line-height: 1.8;
    color: var(--color-dark-gray);
}

/* ===================================
   SECTION 15: FINAL CTA
   =================================== */
.final-cta {
    padding: 4rem 0;
    background: var(--gradient-primary);
    position: relative;
    overflow: hidden;
}

.final-cta::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;
}

.final-cta-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.final-cta-image {
    max-width: 300px;
    margin: 0 auto 2rem;
    animation: float 6s infinite ease-in-out;
}

.final-cta-title {
    font-family: var(--font-display);
    font-size: clamp(28px, 5vw, 40px);
    font-weight: 900;
    color: var(--color-white);
    margin-bottom: 2rem;
    line-height: 1.2;
}

.final-cta-pricing {
    margin-bottom: 2rem;
}

.final-cta-regular {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 0.5rem;
}

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

.final-cta-special {
    font-size: 1.5rem;
    color: var(--color-white);
    font-weight: 600;
}

.price-highlight {
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--color-secondary);
    font-family: var(--font-display);
}

.final-cta-button {
    display: inline-flex;
    align-items: center;
    gap: 1rem;
    padding: 1.25rem 3rem;
    background: var(--color-white);
    color: var(--color-primary);
    font-size: 1.25rem;
    font-weight: 700;
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-xl);
    transition: all var(--transition-base);
    margin-bottom: 1.5rem;
}

.final-cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

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

.button-arrow {
    font-size: 1.5rem;
    transition: transform var(--transition-base);
}

.final-cta-button:hover .button-arrow {
    transform: translateX(5px);
}

.final-cta-disclaimer {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.8);
    font-style: italic;
}

/* ===================================
   SECTION 16: FOOTER
   =================================== */
.footer {
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: 3rem 0 1.5rem;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.footer-link {
    color: var(--color-white);
    font-size: 0.9375rem;
    transition: color var(--transition-base);
}

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

.footer-separator {
    color: rgba(255, 255, 255, 0.5);
}

.footer-disclaimer {
    max-width: 900px;
    margin: 0 auto 2rem;
    padding: 0 20px;
}

.footer-disclaimer p {
    font-size: 0.875rem;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.8);
    text-align: center;
}

.footer-social {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

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

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

.footer-copyright {
    text-align: center;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-copyright p {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.7);
}

/* ===================================
   SCROLL TO TOP BUTTON
   =================================== */
.scroll-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 56px;
    height: 56px;
    background: var(--gradient-primary);
    color: var(--color-white);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-xl);
    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);
}

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

/* ===================================
   PURCHASE POPUP
   =================================== */
.purchase-popup {
    position: fixed;
    bottom: -100px;
    left: 20px;
    background: var(--color-white);
    padding: 1rem 1.5rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    display: flex;
    align-items: center;
    gap: 1rem;
    z-index: 1000;
    max-width: calc(100% - 40px);
    transition: bottom var(--transition-slow);
}

.purchase-popup.show {
    bottom: 20px;
}

.popup-icon {
    font-size: 2rem;
}

.popup-text {
    font-size: 0.875rem;
    line-height: 1.5;
}

.popup-name {
    color: var(--color-primary);
    font-weight: 600;
}

/* ===================================
   CTA POPUP
   =================================== */
.cta-popup {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.9);
    background: var(--color-white);
    padding: 2rem;
    border-radius: var(--radius-xl);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    max-width: 500px;
    width: calc(100% - 40px);
    z-index: 10000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-slow);
}

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

.cta-popup::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    z-index: -1;
}

.popup-close {
    position: absolute;
    top: 15px;
    right: 15px;
    width: 32px;
    height: 32px;
    background: var(--color-medium-gray);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--color-text);
    cursor: pointer;
    transition: all var(--transition-base);
}

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

.popup-title {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 1rem;
    text-align: center;
}

.popup-description {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--color-dark-gray);
    margin-bottom: 1.5rem;
    text-align: center;
}

.popup-cta {
    display: block;
    width: 100%;
    padding: 1rem 2rem;
    background: var(--gradient-secondary);
    color: var(--color-white);
    font-size: 1.125rem;
    font-weight: 700;
    border-radius: var(--radius-full);
    text-align: center;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-base);
}

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

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

.popup-timer {
    text-align: center;
    font-size: 0.875rem;
    color: var(--color-dark-gray);
    margin-top: 1rem;
}

#popupTimer {
    font-weight: 700;
    color: var(--color-secondary);
}

/* ===================================
   RESPONSIVE DESIGN
   =================================== */

/* Small Phones (480px) */
@media (min-width: 480px) {
    .hero-trust-badges {
        flex-wrap: nowrap;
    }
    
    .reviews-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .badges-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Tablets (768px) */
@media (min-width: 768px) {
    .container {
        padding-left: 30px;
        padding-right: 30px;
    }
    
    .nav-links {
        display: flex;
    }
    
    .nav-cta {
        display: block;
    }
    
    .hamburger {
        display: none;
    }
    
    .hero-container {
        flex-direction: row;
        align-items: center;
        gap: 3rem;
    }
    
    .hero-image,
    .hero-content {
        flex: 1;
    }
    
    .hero-content {
        text-align: left;
    }
    
    .hero-cta {
        margin-left: 0;
    }
    
    .hero-trust-badges {
        justify-content: flex-start;
    }
    
    .what-is-grid {
        flex-direction: row;
        align-items: center;
        gap: 3rem;
    }
    
    .what-is-content,
    .what-is-image {
        flex: 1;
    }
    
    .what-is-content {
        order: 1;
    }
    
    .what-is-image {
        order: 2;
    }
    
    .reviews-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .pricing-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .ingredients-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .guarantee-grid {
        flex-direction: row;
        align-items: center;
        gap: 3rem;
    }
    
    .guarantee-image,
    .guarantee-content {
        flex: 1;
    }
    
    .guarantee-image {
        order: 1;
    }
    
    .guarantee-content {
        order: 2;
    }
}

/* Small Laptops (1024px) */
@media (min-width: 1024px) {
    .section-title {
        font-size: 48px;
    }
    
    .hero-section {
        padding: 5rem 0;
    }
    
    .hero-title {
        font-size: 56px;
    }
    
    .badges-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 2rem;
    }
    
    .why-choose-us,
    .what-is-product,
    .how-it-works,
    .customer-reviews,
    .pricing-section,
    .ingredients-section,
    .scientific-evidence,
    .guarantee-section,
    .benefits-section,
    .faq-section {
        padding: 6rem 0;
    }
    
    .benefits-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .purchase-popup {
        left: 30px;
    }
    
    .purchase-popup.show {
        bottom: 30px;
    }
}

/* Desktop (1440px) */
@media (min-width: 1440px) {
    .container {
        padding-left: 40px;
        padding-right: 40px;
    }
}

/* Print Styles */
@media print {
    .main-nav,
    .scroll-to-top,
    .purchase-popup,
    .cta-popup {
        display: none;
    }
}