/* ===========================
   BOOST GHEE - PREMIUM LUXURY DESIGN
   Mobile-First Responsive Styles
   =========================== */

/* === BASE RESET === */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

/* === ROOT VARIABLES === */
:root {
    /* Colors - Premium Luxury Palette */
    --color-primary: #000000;
    --color-secondary: #D4AF37;
    --color-accent: #FFFFFF;
    --color-text: #1a1a1a;
    --color-text-light: #666666;
    --color-bg: #FFFFFF;
    --color-bg-light: #F8F8F8;
    --color-border: #E5E5E5;
    
    /* Typography */
    --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    --font-heading: 'Georgia', 'Times New Roman', serif;
    
    /* Spacing */
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 32px;
    --spacing-xl: 48px;
    --spacing-xxl: 64px;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.15);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.2);
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Z-index */
    --z-header: 1000;
    --z-modal: 2000;
    --z-notification: 3000;
}

/* === BASE STYLES === */
html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%;
}

body {
    font-family: var(--font-primary);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background: var(--color-bg);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

/* === TYPOGRAPHY === */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

/* Mobile Typography */
h1 {
    font-size: 28px;
}

h2 {
    font-size: 24px;
}

h3 {
    font-size: 20px;
}

h4 {
    font-size: 18px;
}

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

a {
    color: var(--color-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

/* === CONTAINER === */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* === BUTTONS === */
.cta-btn-large,
.cta-btn-nav,
.cta-btn-final,
.add-to-cart-btn {
    display: inline-block;
    padding: 16px 32px;
    min-height: 48px;
    font-size: 16px;
    font-weight: 600;
    text-align: center;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-normal);
    text-decoration: none;
    line-height: 1.2;
}

.cta-btn-large,
.cta-btn-final {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: var(--color-accent);
    box-shadow: var(--shadow-md);
}

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

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

.btn-arrow {
    margin-left: 8px;
    display: inline-block;
    transition: transform var(--transition-fast);
}

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

/* === SECTIONS === */
section {
    padding: var(--spacing-xl) 0;
}

.section-title {
    text-align: center;
    font-size: 32px;
    margin-bottom: var(--spacing-lg);
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--color-secondary);
    margin: var(--spacing-sm) auto 0;
}

/* === HEADER/NAVIGATION === */
#header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: var(--color-accent);
    box-shadow: var(--shadow-sm);
    z-index: var(--z-header);
    transition: all var(--transition-normal);
}

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

.navbar {
    padding: 16px 0;
}

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

.logo h2 {
    font-size: 24px;
    color: var(--color-primary);
    margin: 0;
}

.nav-menu {
    display: none;
    list-style: none;
}

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

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

.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 Menu */
@media (max-width: 767px) {
    .nav-menu {
        position: fixed;
        top: 64px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 64px);
        background: var(--color-accent);
        flex-direction: column;
        padding: var(--spacing-lg);
        box-shadow: var(--shadow-lg);
        transition: left var(--transition-normal);
        overflow-y: auto;
    }
    
    .nav-menu.active {
        left: 0;
        display: flex;
    }
    
    .nav-menu li {
        width: 100%;
        margin-bottom: var(--spacing-sm);
    }
    
    .nav-link,
    .cta-btn-nav {
        display: block;
        width: 100%;
        padding: 16px;
        min-height: 48px;
        text-align: center;
        border-radius: var(--radius-sm);
    }
    
    .nav-link {
        color: var(--color-text);
        background: var(--color-bg-light);
    }
    
    .cta-btn-nav {
        background: var(--color-secondary);
        color: var(--color-accent);
        font-weight: 600;
    }
}

/* === HERO SECTION === */
.hero {
    padding: 120px 0 var(--spacing-xxl);
    background: linear-gradient(135deg, #F8F8F8 0%, #FFFFFF 100%);
    position: relative;
    overflow: hidden;
}

.hero-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    align-items: center;
}

.hero-image {
    position: relative;
    width: 100%;
    max-width: 400px;
    animation: floatAnimation 3s ease-in-out infinite;
}

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

.product-bottle {
    width: 100%;
    height: auto;
    position: relative;
    z-index: 2;
    filter: drop-shadow(0 10px 30px rgba(0,0,0,0.2));
}

.floating-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--color-secondary);
    color: var(--color-primary);
    padding: 8px 16px;
    border-radius: 20px;
    font-weight: 600;
    font-size: 14px;
    z-index: 3;
    animation: pulse 2s ease-in-out infinite;
}

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

.glow-effect {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(212,175,55,0.3) 0%, transparent 70%);
    z-index: 1;
    animation: glowPulse 3s ease-in-out infinite;
}

@keyframes glowPulse {
    0%, 100% {
        opacity: 0.5;
        transform: translate(-50%, -50%) scale(1);
    }
    50% {
        opacity: 0.8;
        transform: translate(-50%, -50%) scale(1.1);
    }
}

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

.hero-text h1 {
    font-size: 32px;
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}

.hero-text p {
    font-size: 16px;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-sm);
}

.cta-btn-large {
    width: 100%;
    max-width: 400px;
    margin: var(--spacing-md) auto;
    display: flex;
    justify-content: center;
    align-items: center;
}

.trust-indicators {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-md);
    font-size: 14px;
    color: var(--color-text-light);
}

.trust-indicators span {
    display: flex;
    align-items: center;
    justify-content: center;
}

/* === IMPROVED WHY CHOOSE SECTION === */
.why-choose {
    background: linear-gradient(to bottom, #f8f9fa, #ffffff);
    padding: 80px 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(1, 1fr); /* Mobile Default */
    gap: 30px;
    margin-top: 40px;
}

.feature-card {
    background: #ffffff;
    padding: 40px 30px;
    border-radius: 16px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05); /* Softer, premium shadow */
    border: 1px solid rgba(0, 0, 0, 0.03);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275); /* Bouncy premium feel */
    display: flex;
    flex-direction: column;
    align-items: center;
    height: 100%; /* Ensures equal height */
}

/* Hover Effect: Lifts up and glows gold */
.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(212, 175, 55, 0.15); /* Gold glow */
    border-color: rgba(212, 175, 55, 0.3);
}

/* Icon Styling */
.icon-wrapper {
    width: 90px;
    height: 90px;
    margin-bottom: 25px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: #fdfbf7; /* Very light gold tint */
    border: 1px solid rgba(212, 175, 55, 0.1);
    transition: transform 0.3s ease;
}

.feature-card:hover .icon-wrapper {
    transform: scale(1.1) rotate(5deg);
    background: #fff9e6;
}

.feature-card img {
    width: 55px;
    height: auto;
    object-fit: contain;
}

/* Typography Improvements */
.card-content h3 {
    font-size: 22px;
    color: #1a1a1a;
    margin-bottom: 15px;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.card-content p {
    font-size: 15px;
    line-height: 1.7;
    color: #555;
    margin: 0;
    max-width: 300px; /* Prevents text from looking too squished */
}

/* Responsive Grid Adjustments */
@media (min-width: 768px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr); /* Tablet: 2 columns */
    }
}

@media (min-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(4, 1fr); /* Desktop: 4 columns */
    }
    
    .feature-card {
        padding: 50px 25px; /* More vertical padding on desktop */
    }
}


/* === WHAT IS SECTION === */
.content-row {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.content-text h2 {
    font-size: 28px;
    margin-bottom: var(--spacing-md);
}

.content-text p {
    font-size: 16px;
    line-height: 1.8;
    color: var(--color-text-light);
}

.content-image img {
    width: 80%;
    height: auto;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

/* === HOW IT WORKS === */
.how-it-works {
    background: var(--color-bg-light);
}

.accordion-container {
    max-width: 800px;
    margin: 0 auto;
}

.accordion-item {
    background: var(--color-accent);
    margin-bottom: var(--spacing-sm);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.accordion-header {
    width: 100%;
    padding: 20px;
    min-height: 48px;
    background: none;
    border: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-size: 18px;
    font-weight: 600;
    text-align: left;
    color: var(--color-primary);
    transition: background var(--transition-fast);
}

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

.accordion-icon {
    font-size: 24px;
    font-weight: 300;
    transition: transform var(--transition-fast);
}

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

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

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

.accordion-content p {
    padding: 0 20px 20px;
    color: var(--color-text-light);
    line-height: 1.8;
}

/* === CUSTOMER REVIEWS === */
.reviews-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
}

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

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

.review-image {
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.review-image img {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--color-secondary);
}

.stars {
    color: var(--color-secondary);
    font-size: 20px;
    margin-bottom: var(--spacing-sm);
    text-align: center;
}

.review-content p {
    font-size: 16px;
    line-height: 1.8;
    color: var(--color-text-light);
    font-style: italic;
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.reviewer {
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.reviewer strong {
    color: var(--color-primary);
    font-size: 16px;
}

.reviewer span {
    color: var(--color-text-light);
    font-size: 14px;
}

/* === PRICING SECTION === */
.pricing {
    background: linear-gradient(135deg, #F8F8F8 0%, #FFFFFF 100%);
    padding: var(--spacing-xxl) 0;
}

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

.countdown-timer {
    max-width: 400px;
    margin: 0 auto var(--spacing-xl);
    padding: var(--spacing-md);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-lg);
}

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

.timer-display {
    font-size: 48px;
    font-weight: 700;
    color: var(--color-accent);
    font-family: 'Courier New', monospace;
}

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

.pricing-card {
    background: var(--color-accent);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    text-align: center;
    position: relative;
    border: 2px solid transparent;
    transition: all var(--transition-normal);
}

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

.pricing-card.popular {
    border-color: var(--color-secondary);
    box-shadow: 0 0 30px rgba(212,175,55,0.3);
}

.popular-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-secondary);
    color: var(--color-primary);
    padding: 6px 20px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 1px;
}

.pricing-label {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-xs);
}

.pricing-card h3 {
    font-size: 24px;
    margin-bottom: var(--spacing-xs);
}

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

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

.price-per {
    font-size: 36px;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.price-per span {
    font-size: 18px;
    font-weight: 400;
}

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

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

.new-price {
    font-size: 32px;
    font-weight: 700;
    color: var(--color-secondary);
}

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

.bonus-badge {
    display: inline-block;
    background: #10B981;
    color: white;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.bonus-badge.shipping {
    background: #EF4444;
}

.add-to-cart-btn {
    width: 100%;
    background: var(--color-primary);
    color: var(--color-accent);
    margin-bottom: var(--spacing-md);
}

.add-to-cart-btn:hover {
    background: var(--color-secondary);
    color: var(--color-primary);
}

.payment-badge,
.cards-img {
    width: 100%;
    max-width: 150px;
    height: auto;
    margin: var(--spacing-xs) auto;
}

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

.rating-image {
    width: 100%;
    max-width: 300px;
    height: auto;
}

/* === BONUS SECTION === */
.bonus {
    background: var(--color-bg-light);
}

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

.bonus-card {
    background: var(--color-accent);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    text-align: center;
}

.bonus-card img {
    width: 100%;
    max-width: 250px;
    height: auto;
    margin-bottom: var(--spacing-md);
    border-radius: var(--radius-md);
}

.bonus-card h3 {
    font-size: 20px;
    margin-bottom: var(--spacing-sm);
}

.bonus-card p {
    font-size: 14px;
    color: var(--color-text-light);
    margin: 0;
}

/* === INGREDIENTS SECTION === */
.ingredients-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
}

.ingredient-card {
    background: var(--color-accent);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--color-secondary);
    box-shadow: var(--shadow-sm);
}

.ingredient-card h3 {
    font-size: 18px;
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
}

.ingredient-card p {
    font-size: 14px;
    color: var(--color-text-light);
    line-height: 1.8;
    margin: 0;
}

/* === SCIENTIFIC EVIDENCE === */
.scientific {
    background: var(--color-bg-light);
}

.scientific-content {
    max-width: 800px;
    margin: 0 auto;
}

.scientific-content > p {
    font-size: 16px;
    line-height: 1.8;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-lg);
}

.evidence-section {
    background: var(--color-accent);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    box-shadow: var(--shadow-sm);
}

.evidence-section h3 {
    font-size: 20px;
    margin-bottom: var(--spacing-sm);
}

.evidence-section p {
    font-size: 14px;
    color: var(--color-text-light);
    line-height: 1.8;
    margin: 0;
}

/* === SCIENTIFICALLY FORMULATED === */
.formulated-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
}

.formulated-card {
    background: var(--color-accent);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    text-align: center;
    position: relative;
}

.formulated-number {
    width: 60px;
    height: 60px;
    background: var(--color-secondary);
    color: var(--color-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    font-weight: 700;
    margin: 0 auto var(--spacing-md);
}

.formulated-card h3 {
    font-size: 20px;
    margin-bottom: var(--spacing-sm);
}

.formulated-card p {
    font-size: 14px;
    color: var(--color-text-light);
    line-height: 1.8;
    margin: 0;
}

/* === MONEY BACK GUARANTEE === */
.guarantee {
    background: var(--color-bg-light);
}

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

.guarantee-image img {
    width: 100%;
    max-width: 300px;
    height: auto;
    margin: 0 auto;
    display: block;
}

.guarantee-point {
    background: var(--color-accent);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--spacing-md);
}

.guarantee-point h3 {
    font-size: 20px;
    margin-bottom: var(--spacing-sm);
}

.guarantee-point p {
    font-size: 14px;
    color: var(--color-text-light);
    line-height: 1.8;
    margin: 0;
}

/* === BENEFITS SECTION === */
.benefits-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
    max-width: 800px;
    margin: 0 auto;
}

.benefit-item {
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-start;
    background: var(--color-accent);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.benefit-icon {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    background: var(--color-secondary);
    color: var(--color-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 700;
}

.benefit-text h3 {
    font-size: 18px;
    margin-bottom: var(--spacing-xs);
}

.benefit-text p {
    font-size: 14px;
    color: var(--color-text-light);
    line-height: 1.6;
    margin: 0;
}

/* === FAQ SECTION === */
.faq {
    background: var(--color-bg-light);
}

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

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

.faq-question {
    width: 100%;
    padding: 20px;
    min-height: 48px;
    background: none;
    border: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-size: 16px;
    font-weight: 600;
    text-align: left;
    color: var(--color-primary);
    transition: background var(--transition-fast);
}

.faq-question:hover {
    background: var(--color-bg-light);
}

.faq-icon {
    font-size: 24px;
    font-weight: 300;
    transition: transform var(--transition-fast);
}

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

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

.faq-item.active .faq-answer {
    max-height: 300px;
}

.faq-answer p {
    padding: 0 20px 20px;
    color: var(--color-text-light);
    line-height: 1.8;
    font-size: 14px;
}

/* === FINAL CTA === */
.final-cta {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    padding: var(--spacing-xxl) 0;
}

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

.final-cta-image {
    position: relative;
    animation: finalPulse 2s ease-in-out infinite;
}

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

.final-cta-image img {
    width: 100%;
    max-width: 300px;
    height: auto;
    filter: drop-shadow(0 10px 30px rgba(255,255,255,0.3));
}

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

.final-cta-text h2 {
    font-size: 28px;
    color: var(--color-accent);
    margin-bottom: var(--spacing-lg);
}

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

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

.final-new-price {
    font-size: 40px;
    font-weight: 700;
    color: var(--color-accent);
}

.cta-btn-final {
    background: var(--color-accent);
    color: var(--color-primary);
    width: 100%;
    max-width: 400px;
    margin: 0 auto;
}

.urgency-text {
    margin-top: var(--spacing-md);
    color: var(--color-accent);
    font-size: 14px;
    font-weight: 600;
}

/* === FOOTER === */
#footer {
    background: var(--color-primary);
    color: var(--color-accent);
    padding: var(--spacing-xl) 0 var(--spacing-md);
}

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

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

.footer-links a {
    color: var(--color-accent);
    font-size: 14px;
    transition: color var(--transition-fast);
}

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

.footer-disclaimer {
    font-size: 12px;
    line-height: 1.6;
    color: rgba(255,255,255,0.7);
    text-align: center;
    padding: var(--spacing-md);
    background: rgba(255,255,255,0.05);
    border-radius: var(--radius-md);
}

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

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

.footer-social a:hover {
    background: var(--color-secondary);
    color: var(--color-primary);
    transform: translateY(-3px);
}

.footer-copyright {
    text-align: center;
    font-size: 14px;
    color: rgba(255,255,255,0.7);
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255,255,255,0.1);
}

/* === SCROLL TO TOP BUTTON === */
.scroll-top-btn {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 56px;
    height: 56px;
    background: var(--color-secondary);
    color: var(--color-primary);
    border: none;
    border-radius: 50%;
    font-size: 24px;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-lg);
    z-index: 999;
}

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

.scroll-top-btn:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(212,175,55,0.4);
}

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

/* === PURCHASE NOTIFICATION === */
.purchase-notification {
    position: fixed;
    bottom: -100px;
    left: 20px;
    right: 20px;
    max-width: 350px;
    background: var(--color-accent);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    z-index: var(--z-notification);
    transition: bottom var(--transition-normal);
}

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

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

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

.notification-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.notification-text strong {
    color: var(--color-primary);
    font-size: 14px;
}

.notification-text span {
    color: var(--color-text-light);
    font-size: 12px;
}

/* ===========================
   TABLET RESPONSIVE (576px+)
   =========================== */
@media (min-width: 576px) {
    /* Typography */
    h1 {
        font-size: 36px;
    }
    
    h2 {
        font-size: 28px;
    }
    
    h3 {
        font-size: 22px;
    }
    
    .section-title {
        font-size: 36px;
    }
    
    /* Hero */
    .hero-text h1 {
        font-size: 40px;
    }
    
    .trust-indicators {
        flex-direction: row;
        justify-content: center;
    }
    
    /* Features Grid */
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    /* Reviews Grid */
    .reviews-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    /* Pricing Grid */
    .pricing-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    /* Bonus Grid */
    .bonus-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    /* Ingredients Grid */
    .ingredients-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    /* Benefits Grid */
    .benefits-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ===========================
   TABLET/DESKTOP (768px+)
   =========================== */
@media (min-width: 768px) {
    /* Container */
    .container {
        padding: 0 40px;
    }
    
    /* Navigation */
    .hamburger {
        display: none;
    }
    
    .nav-menu {
        display: flex !important;
        position: static;
        flex-direction: row;
        height: auto;
        padding: 0;
        box-shadow: none;
        gap: var(--spacing-md);
        align-items: center;
    }
    
    .nav-menu li {
        margin: 0;
    }
    
    .nav-link {
        padding: 8px 16px;
        background: none;
        color: var(--color-text);
    }
    
    .nav-link:hover {
        color: var(--color-secondary);
    }
    
    .cta-btn-nav {
        padding: 10px 24px;
        min-height: auto;
        background: var(--color-secondary);
        color: var(--color-primary);
        border-radius: var(--radius-sm);
    }
    
    /* Hero */
    .hero-content {
        flex-direction: row;
        align-items: center;
    }
    
    .hero-image {
        max-width: 50%;
    }
    
    .hero-text {
        max-width: 50%;
        text-align: left;
    }
    
    .hero-text h1 {
        font-size: 48px;
    }
    
    .trust-indicators span {
        justify-content: flex-start;
    }
    
    /* Content Row */
    .content-row {
        flex-direction: row;
        align-items: center;
    }
    
    .content-text,
    .content-image {
        flex: 1;
    }
    
    /* Guarantee Content */
    .guarantee-content {
        flex-direction: row;
        align-items: center;
    }
    
    .guarantee-image,
    .guarantee-text {
        flex: 1;
    }
    
    /* Final CTA */
    .final-cta-content {
        flex-direction: row;
        align-items: center;
    }
    
    .final-cta-text {
        text-align: left;
    }
    
    .final-pricing {
        align-items: flex-start;
    }
    
    /* Purchase Notification */
    .purchase-notification {
        left: auto;
        right: 20px;
    }
}

/* ===========================
   DESKTOP (992px+)
   =========================== */
@media (min-width: 992px) {
    /* Typography */
    h1 {
        font-size: 48px;
    }
    
    h2 {
        font-size: 36px;
    }
    
    h3 {
        font-size: 24px;
    }
    
    .section-title {
        font-size: 40px;
    }
    
    /* Sections */
    section {
        padding: var(--spacing-xxl) 0;
    }
    
    /* Features Grid */
    .features-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    /* Reviews Grid */
    .reviews-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    /* Pricing Grid */
    .pricing-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    /* Formulated Grid */
    .formulated-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* ===========================
   LARGE DESKTOP (1440px+)
   =========================== */
@media (min-width: 1440px) {
    .hero-text h1 {
        font-size: 56px;
    }
    
    .section-title {
        font-size: 48px;
    }
}

/* ===========================
   ANIMATIONS & INTERACTIONS
   =========================== */

/* 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;
        scroll-behavior: auto !important;
    }
}

/* Print Styles */
@media print {
    .navbar,
    .scroll-top-btn,
    .purchase-notification {
        display: none !important;
    }
}