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

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

:root {
    /* Primary Colors - Medical Professional Blue Theme */
    --primary-blue: #1E40AF;
    --primary-light: #3B82F6;
    --primary-lighter: #60A5FA;
    --primary-dark: #1E3A8A;
    
    /* Accent Colors */
    --accent-cyan: #06B6D4;
    --accent-teal: #14B8A6;
    --accent-green: #10B981;
    
    /* Neutral Colors */
    --white: #FFFFFF;
    --gray-50: #F9FAFB;
    --gray-100: #F3F4F6;
    --gray-200: #E5E7EB;
    --gray-300: #D1D5DB;
    --gray-600: #4B5563;
    --gray-700: #374151;
    --gray-900: #111827;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #1E40AF 0%, #3B82F6 50%, #06B6D4 100%);
    --gradient-light: linear-gradient(135deg, #EFF6FF 0%, #DBEAFE 100%);
    --gradient-overlay: linear-gradient(135deg, rgba(30, 64, 175, 0.9), rgba(6, 182, 212, 0.9));
    
    /* 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);
    
    /* Typography */
    --font-primary: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-secondary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 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-2xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 250ms ease-in-out;
    --transition-slow: 400ms ease-in-out;
}

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

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

body {
    font-family: var(--font-secondary);
    color: var(--gray-900);
    background-color: var(--white);
    line-height: 1.6;
    overflow-x: hidden;
}

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

/* Container */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding-left: 20px;
    padding-right: 20px;
}

@media (min-width: 576px) {
    .container {
        padding-left: 24px;
        padding-right: 24px;
    }
}

@media (min-width: 1024px) {
    .container {
        padding-left: 32px;
        padding-right: 32px;
    }
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-primary);
    font-weight: 700;
    line-height: 1.2;
    color: var(--gray-900);
}

h1 {
    font-size: 28px;
}

h2 {
    font-size: 24px;
}

h3 {
    font-size: 20px;
}

@media (min-width: 768px) {
    h1 {
        font-size: 36px;
    }
    
    h2 {
        font-size: 30px;
    }
    
    h3 {
        font-size: 24px;
    }
}

@media (min-width: 1024px) {
    h1 {
        font-size: 48px;
    }
    
    h2 {
        font-size: 36px;
    }
    
    h3 {
        font-size: 28px;
    }
}

p {
    font-size: 16px;
    line-height: 1.8;
    color: var(--gray-700);
}

/* Section Titles */
.section-title {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ===================================
   NAVIGATION
   =================================== */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: var(--white);
    box-shadow: var(--shadow-md);
    z-index: 1000;
    transition: all var(--transition-base);
}

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

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
    max-width: 1280px;
    margin: 0 auto;
}

.nav-logo {
    font-size: 24px;
    font-weight: 800;
    font-family: var(--font-primary);
}

.logo-text {
    color: var(--primary-blue);
}

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

.nav-links {
    display: none;
    list-style: none;
    gap: var(--spacing-lg);
}

.nav-link {
    color: var(--gray-700);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition-fast);
    position: relative;
}

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

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

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

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

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

@media (min-width: 768px) {
    .nav-links {
        display: flex;
    }
    
    .nav-cta-btn {
        display: block;
    }
}

/* Hamburger Menu */
.hamburger {
    display: flex;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.hamburger span {
    display: block;
    width: 25px;
    height: 3px;
    background: var(--primary-blue);
    transition: all var(--transition-base);
    border-radius: var(--radius-sm);
}

.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);
}

@media (min-width: 768px) {
    .hamburger {
        display: none;
    }
}

/* Mobile Menu */
.nav-links.mobile-active {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 70px;
    left: 0;
    width: 100%;
    background: var(--white);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-xl);
    animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

.hero-section {
    padding: 100px 0 60px;
    background: var(--gradient-light);
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background: linear-gradient(135deg, transparent 0%, rgba(59, 130, 246, 0.1) 100%);
    z-index: 0;
}

.hero-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xl);
    position: relative;
    z-index: 1;
}

.hero-image {
    width: 100%;
    max-width: 400px;
    order: 1;
}

.hero-image-wrapper {
    position: relative;
    animation: floatAnimation 3s ease-in-out infinite;
}

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

.hero-image img {
    width: 100%;
    height: auto;
    filter: drop-shadow(0 20px 40px rgba(30, 64, 175, 0.3));
}

.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%);
    z-index: -1;
    animation: pulseGlow 2s ease-in-out infinite;
}

@keyframes pulseGlow {
    0%, 100% {
        opacity: 0.5;
        transform: translate(-50%, -50%) scale(1);
    }
    50% {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1.1);
    }
}

.hero-content {
    width: 100%;
    order: 2;
    text-align: center;
}

.hero-title {
    margin-bottom: var(--spacing-md);
    animation: fadeInUp 0.8s ease-out;
}

.hero-description {
    margin-bottom: var(--spacing-md);
    animation: fadeInUp 1s ease-out;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

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

.hero-cta-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 1rem 2rem;
    background: var(--gradient-primary);
    color: var(--white);
    text-decoration: none;
    border-radius: var(--radius-full);
    font-size: 18px;
    font-weight: 700;
    box-shadow: var(--shadow-xl);
    transition: all var(--transition-base);
    margin-bottom: var(--spacing-lg);
    animation: fadeInUp 1.2s ease-out;
    width: 100%;
    justify-content: center;
}

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

.hero-cta-btn:active {
    transform: translateY(-1px);
}

.btn-icon {
    font-size: 24px;
    transition: transform var(--transition-fast);
}

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

.hero-features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    animation: fadeInUp 1.4s ease-out;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 14px;
    color: var(--gray-700);
    font-weight: 500;
}

.feature-icon {
    width: 20px;
    height: 20px;
    color: var(--accent-green);
}

@media (min-width: 768px) {
    .hero-container {
        flex-direction: row;
        text-align: left;
    }
    
    .hero-image {
        order: 1;
    }
    
    .hero-content {
        order: 2;
        text-align: left;
    }
    
    .hero-cta-btn {
        width: auto;
    }
    
    .hero-features {
        flex-direction: row;
        gap: var(--spacing-lg);
    }
}

/* ===================================
   WHY CHOOSE US SECTION
   =================================== */

.why-choose-section {
    padding: 60px 0;
    background: var(--white);
}

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

.feature-card {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: all var(--transition-base);
    border: 2px solid var(--gray-100);
}

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

.feature-card-icon {
    margin-bottom: var(--spacing-md);
}

.feature-card-icon img {
    width: 80px;
    height: 80px;
    object-fit: contain;
}

.feature-card-title {
    margin-bottom: var(--spacing-sm);
    color: var(--primary-blue);
}

.feature-card-description {
    font-size: 14px;
    line-height: 1.6;
}

@media (min-width: 576px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 992px) {
    .features-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: var(--spacing-xl);
    }
}

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

.what-is-section {
    padding: 60px 0;
    background: var(--gradient-light);
}

.what-is-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
    align-items: center;
}

.what-is-content {
    width: 100%;
}

.what-is-text {
    margin-bottom: var(--spacing-md);
}

.what-is-image {
    width: 100%;
    max-width: 500px;
}

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

@media (min-width: 768px) {
    .what-is-container {
        flex-direction: row;
    }
    
    .what-is-content,
    .what-is-image {
        flex: 1;
    }
}

/* ===================================
   HOW IT WORKS - ACCORDION
   =================================== */

.how-it-works-section {
    padding: 60px 0;
    background: var(--white);
}

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

.accordion-item {
    margin-bottom: var(--spacing-md);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-base);
}

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

.accordion-header {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    background: var(--gray-50);
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    min-height: 48px;
}

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

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

.accordion-icon {
    font-size: 28px;
    color: var(--primary-blue);
    font-weight: 300;
    transition: transform var(--transition-base);
}

.accordion-item.active .accordion-icon {
    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: var(--spacing-md);
    line-height: 1.8;
}

/* ===================================
   CUSTOMER REVIEWS
   =================================== */

.reviews-section {
    padding: 60px 0;
    background: var(--gradient-light);
}

.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-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    animation: fadeIn 0.6s ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

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

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

.review-avatar {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-full);
    object-fit: cover;
    border: 3px solid var(--primary-light);
}

.review-name {
    font-size: 18px;
    margin-bottom: 0.25rem;
}

.review-location {
    font-size: 14px;
    color: var(--gray-600);
    margin-bottom: 0.25rem;
}

.review-stars {
    color: #F59E0B;
    font-size: 18px;
}

.review-text {
    font-style: italic;
    line-height: 1.7;
}

@media (min-width: 768px) {
    .reviews-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

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

.pricing-section {
    padding: 60px 0;
    background: var(--white);
}

.pricing-subtitle {
    text-align: center;
    font-size: 18px;
    color: var(--gray-700);
    margin-bottom: var(--spacing-xl);
}

.countdown-timer {
    max-width: 400px;
    margin: 0 auto var(--spacing-xl);
    text-align: center;
    background: var(--gradient-primary);
    padding: var(--spacing-lg);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
}

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

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

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

.timer-number {
    font-size: 36px;
    font-weight: 800;
    color: var(--white);
    font-family: var(--font-primary);
    background: rgba(255, 255, 255, 0.2);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md);
    min-width: 70px;
}

.timer-separator {
    font-size: 36px;
    font-weight: 700;
    color: var(--white);
}

.timer-text {
    font-size: 12px;
    color: var(--white);
    margin-top: 0.25rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

@media (min-width: 768px) {
    .timer-number {
        font-size: 48px;
        min-width: 90px;
    }
}

.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(--gray-200);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    text-align: center;
    transition: all var(--transition-base);
    position: relative;
}

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

.pricing-card-popular {
    border: 3px solid var(--primary-blue);
    background: var(--gradient-light);
    transform: scale(1.02);
}

.popular-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-primary);
    color: var(--white);
    padding: 0.5rem 1.5rem;
    border-radius: var(--radius-full);
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: var(--shadow-lg);
}

.pricing-label {
    font-size: 14px;
    font-weight: 700;
    color: var(--primary-blue);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--spacing-xs);
}

.pricing-bottles {
    font-size: 20px;
    font-weight: 800;
    color: var(--gray-900);
    margin-bottom: 0.25rem;
}

.pricing-supply {
    font-size: 14px;
    color: var(--gray-600);
    margin-bottom: var(--spacing-md);
}

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

.pricing-image img {
    width: 100%;
    max-width: 200px;
    height: auto;
}

.pricing-price {
    margin-bottom: var(--spacing-sm);
}

.price-amount {
    font-size: 40px;
    font-weight: 800;
    color: var(--primary-blue);
    font-family: var(--font-primary);
}

.price-unit {
    font-size: 16px;
    color: var(--gray-600);
}

.pricing-total {
    margin-bottom: var(--spacing-md);
}

.total-old {
    font-size: 20px;
    color: var(--gray-600);
    text-decoration: line-through;
    margin-right: var(--spacing-xs);
}

.total-new {
    font-size: 28px;
    font-weight: 800;
    color: var(--accent-green);
}

.pricing-bonuses {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
}

.bonus-badge {
    display: inline-block;
    background: var(--accent-green);
    color: var(--white);
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: 12px;
    font-weight: 600;
}

.pricing-btn {
    display: block;
    margin-bottom: var(--spacing-md);
    transition: transform var(--transition-base);
}

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

.btn-image {
    width: 100%;
    max-width: 250px;
    height: auto;
}

.payment-logos img {
    width: 100%;
    max-width: 300px;
    height: auto;
    opacity: 0.8;
}

.rating-display {
    text-align: center;
}

.rating-display img {
    width: 100%;
    max-width: 400px;
    height: auto;
}

@media (min-width: 576px) {
    .pricing-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 992px) {
    .pricing-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

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

.ingredients-section {
    padding: 60px 0;
    background: var(--gradient-light);
}

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

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

.ingredient-name {
    color: var(--primary-blue);
    margin-bottom: var(--spacing-sm);
}

.ingredient-description {
    margin-bottom: var(--spacing-sm);
    font-size: 15px;
}

.ingredient-benefits {
    font-size: 14px;
    color: var(--gray-600);
}

@media (min-width: 768px) {
    .ingredients-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

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

.scientific-section {
    padding: 60px 0;
    background: var(--white);
}

.scientific-intro {
    max-width: 900px;
    margin: 0 auto var(--spacing-xl);
    text-align: center;
}

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

.evidence-item {
    margin-bottom: var(--spacing-md);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.evidence-header {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    background: var(--gray-50);
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    min-height: 48px;
}

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

.evidence-icon {
    font-size: 28px;
    color: var(--primary-blue);
    transition: transform var(--transition-base);
}

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

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

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

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

.evidence-content p:not(:last-child) {
    margin-bottom: var(--spacing-sm);
}

/* ===================================
   MONEY BACK GUARANTEE
   =================================== */

.guarantee-section {
    padding: 60px 0;
    background: var(--gradient-light);
}

.guarantee-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
    align-items: center;
}

.guarantee-image {
    width: 100%;
    max-width: 300px;
}

.guarantee-image img {
    width: 100%;
    height: auto;
}

.guarantee-content {
    width: 100%;
}

.guarantee-item {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

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

.guarantee-icon svg {
    width: 40px;
    height: 40px;
    color: var(--accent-green);
}

.guarantee-text h3 {
    color: var(--primary-blue);
    margin-bottom: var(--spacing-xs);
}

@media (min-width: 768px) {
    .guarantee-container {
        flex-direction: row;
    }
}

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

.benefits-section {
    padding: 60px 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-md);
    padding: var(--spacing-md);
    background: var(--gradient-light);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.benefit-item:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-md);
}

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

.benefit-icon svg {
    width: 32px;
    height: 32px;
    color: var(--accent-green);
}

.benefit-text h3 {
    color: var(--primary-blue);
    font-size: 18px;
    margin-bottom: 0.25rem;
}

.benefit-text p {
    font-size: 14px;
}

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

.faq-section {
    padding: 60px 0;
    background: var(--gradient-light);
}

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

.faq-item {
    margin-bottom: var(--spacing-md);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--white);
}

.faq-header {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    background: var(--white);
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    min-height: 48px;
}

.faq-header:hover {
    background: var(--gray-50);
}

.faq-question {
    font-size: 18px;
    font-weight: 600;
    color: var(--gray-900);
    text-align: left;
}

.faq-icon {
    font-size: 28px;
    color: var(--primary-blue);
    transition: transform var(--transition-base);
}

.faq-item.active .faq-icon {
    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 var(--spacing-md) var(--spacing-md);
    line-height: 1.8;
}

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

.final-cta-section {
    padding: 60px 0;
    background: var(--gradient-primary);
    color: var(--white);
}

.final-cta-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xl);
    text-align: center;
}

.final-cta-image {
    width: 100%;
    max-width: 400px;
}

.final-cta-image img {
    width: 100%;
    height: auto;
    filter: drop-shadow(0 10px 30px rgba(0, 0, 0, 0.3));
}

.animate-pulse {
    animation: pulse 2s ease-in-out infinite;
}

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

.final-cta-content {
    width: 100%;
}

.final-cta-title {
    color: var(--white);
    margin-bottom: var(--spacing-lg);
}

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

.final-price-old {
    font-size: 18px;
    margin-bottom: 0.5rem;
}

.final-price-old span {
    text-decoration: line-through;
    font-weight: 600;
}

.final-price-new {
    font-size: 32px;
    font-weight: 800;
    font-family: var(--font-primary);
}

.final-cta-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 1.25rem 3rem;
    background: var(--white);
    color: var(--primary-blue);
    text-decoration: none;
    border-radius: var(--radius-full);
    font-size: 20px;
    font-weight: 700;
    box-shadow: var(--shadow-2xl);
    transition: all var(--transition-base);
    margin-bottom: var(--spacing-lg);
}

.final-cta-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.3);
}

.final-cta-features {
    text-align: left;
    max-width: 400px;
    margin: 0 auto;
}

.final-cta-features p {
    color: var(--white);
    margin-bottom: 0.5rem;
    font-size: 15px;
}

@media (min-width: 768px) {
    .final-cta-container {
        flex-direction: row;
        text-align: left;
    }
}

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

.footer {
    background: var(--gray-900);
    color: var(--white);
    padding: 40px 0 20px;
}

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

.footer-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.footer-links a {
    color: var(--white);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

.footer-separator {
    color: var(--gray-600);
}

.footer-disclaimer {
    max-width: 900px;
    margin: 0 auto var(--spacing-lg);
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
}

.footer-disclaimer p {
    font-size: 12px;
    line-height: 1.6;
    color: var(--gray-300);
}

.footer-social {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.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);
    color: var(--white);
    transition: all var(--transition-base);
}

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

.social-icon svg {
    width: 20px;
    height: 20px;
}

.footer-copyright {
    color: var(--gray-400);
    font-size: 14px;
}

/* ===================================
   SCROLL TO TOP BUTTON
   =================================== */

.scroll-top-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 56px;
    height: 56px;
    background: var(--gradient-primary);
    color: var(--white);
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    box-shadow: var(--shadow-xl);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    z-index: 999;
}

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

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

.scroll-top-btn svg {
    width: 24px;
    height: 24px;
}

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

.purchase-notification {
    position: fixed;
    bottom: 20px;
    left: 20px;
    background: var(--white);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-2xl);
    z-index: 998;
    transform: translateX(-400px);
    transition: transform var(--transition-slow);
    max-width: 300px;
    border-left: 4px solid var(--accent-green);
}

.purchase-notification.show {
    transform: translateX(0);
}

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

.notification-icon {
    font-size: 24px;
}

.notification-text {
    font-size: 14px;
    line-height: 1.4;
}

.notification-text strong {
    color: var(--primary-blue);
}

@media (min-width: 768px) {
    .purchase-notification {
        bottom: 30px;
        left: 30px;
    }
}

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

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

.hidden {
    display: none;
}

/* ===================================
   LOADING OPTIMIZATION
   =================================== */

img[loading="lazy"] {
    opacity: 0;
    transition: opacity 0.3s;
}

img[loading="lazy"].loaded {
    opacity: 1;
}