/* ==================================
   PRIMO BOOST XL - PREMIUM STYLESHEET
   Mobile-First Responsive Design
   ================================== */

/* ==================================
   CSS VARIABLES & RESET
   ================================== */
:root {
    /* Primary Colors - Premium Medical Professional */
    --primary-blue: #1E40AF;
    --primary-blue-light: #3B82F6;
    --primary-blue-lighter: #93C5FD;
    --accent-gold: #D4AF37;
    --accent-gold-light: #F4D03F;
    
    /* Neutral Colors */
    --white: #FFFFFF;
    --off-white: #F9FAFB;
    --light-gray: #F3F4F6;
    --gray: #6B7280;
    --dark-gray: #374151;
    --black: #111827;
    
    /* Functional Colors */
    --success: #10B981;
    --error: #EF4444;
    --warning: #F59E0B;
    
    /* Typography */
    --font-display: 'Playfair Display', Georgia, serif;
    --font-body: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
    
    /* Spacing */
    --space-xs: 8px;
    --space-sm: 16px;
    --space-md: 24px;
    --space-lg: 32px;
    --space-xl: 48px;
    --space-2xl: 64px;
    --space-3xl: 96px;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;
    
    /* Container */
    --container-max: 1280px;
    --container-padding: 20px;
}

/* 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: 1.6;
    color: var(--dark-gray);
    background-color: var(--white);
    overflow-x: hidden;
}

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

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

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

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

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

/* ==================================
   SECTION 1: NAVIGATION
   ================================== */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-md);
    z-index: 1000;
    transition: var(--transition-base);
}

.main-header.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-lg);
}

.navbar {
    padding: var(--space-sm) 0;
}

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

.logo a {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-display);
    font-size: 20px;
    font-weight: 800;
    color: var(--primary-blue);
}

.logo-icon {
    font-size: 28px;
    animation: pulse 2s infinite;
}

.logo-text {
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-blue-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Hamburger Menu */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    width: 28px;
    height: 24px;
    cursor: pointer;
    z-index: 1001;
}

.hamburger span {
    display: block;
    width: 100%;
    height: 3px;
    background: var(--primary-blue);
    border-radius: 3px;
    transition: var(--transition-base);
}

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

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

.hamburger.active span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

/* Navigation Links */
.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    list-style: none;
}

.nav-links a {
    font-weight: 500;
    color: var(--dark-gray);
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    transition: var(--transition-base);
}

.nav-links a:hover {
    color: var(--primary-blue);
    background: var(--light-gray);
}

.nav-cta {
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-blue-light)) !important;
    color: var(--white) !important;
    padding: 10px 24px !important;
    border-radius: var(--radius-full) !important;
    font-weight: 600;
}

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

/* Mobile Navigation */
@media (max-width: 767px) {
    .hamburger {
        display: flex;
    }
    
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: var(--white);
        flex-direction: column;
        align-items: flex-start;
        padding: 80px 30px 30px;
        gap: var(--space-sm);
        box-shadow: var(--shadow-2xl);
        transition: right 0.3s ease;
    }
    
    .nav-links.active {
        right: 0;
    }
    
    .nav-links a {
        width: 100%;
        padding: 12px 16px;
    }
}

/* ==================================
   SECTION 2: HERO SECTION
   ================================== */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 0 60px;
    overflow: hidden;
    background: linear-gradient(135deg, #F0F9FF 0%, #E0F2FE 100%);
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(59, 130, 246, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(147, 197, 253, 0.1) 0%, transparent 50%);
    z-index: 0;
}

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

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

.hero-image-animation {
    position: relative;
    animation: floatAnimation 6s ease-in-out infinite;
}

.hero-product-image {
    width: 100%;
    max-width: 400px;
    height: auto;
    filter: drop-shadow(0 20px 40px rgba(30, 64, 175, 0.3));
    animation: productPulse 3s ease-in-out infinite;
}

.glow-effect {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 120%;
    height: 120%;
    background: radial-gradient(circle, rgba(212, 175, 55, 0.3) 0%, transparent 70%);
    border-radius: 50%;
    animation: glowPulse 4s ease-in-out infinite;
    z-index: -1;
}

.floating-particles {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
}

.floating-particles::before,
.floating-particles::after {
    content: '';
    position: absolute;
    width: 8px;
    height: 8px;
    background: var(--accent-gold);
    border-radius: 50%;
    opacity: 0.6;
    animation: particleFloat 8s ease-in-out infinite;
}

.floating-particles::before {
    top: 20%;
    left: 10%;
    animation-delay: -2s;
}

.floating-particles::after {
    bottom: 20%;
    right: 10%;
    animation-delay: -4s;
}

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

.hero-headline {
    font-family: var(--font-display);
    font-size: 28px;
    font-weight: 900;
    line-height: 1.2;
    color: var(--black);
    margin-bottom: var(--space-md);
}

.hero-headline .highlight {
    background: linear-gradient(135deg, var(--primary-blue), var(--accent-gold));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

/* CTA Button */
.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-blue-light));
    color: var(--white);
    padding: 16px 32px;
    border-radius: var(--radius-full);
    font-size: 18px;
    font-weight: 700;
    box-shadow: var(--shadow-xl);
    transition: var(--transition-base);
    margin: var(--space-md) 0;
    min-height: 56px;
    justify-content: center;
}

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

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

.cta-arrow {
    font-size: 24px;
    transition: transform var(--transition-base);
}

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

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

.badge {
    background: rgba(30, 64, 175, 0.1);
    color: var(--primary-blue);
    padding: 8px 16px;
    border-radius: var(--radius-full);
    font-size: 14px;
    font-weight: 600;
}

/* Tablet */
@media (min-width: 768px) {
    .hero-content {
        grid-template-columns: 1fr 1fr;
    }
    
    .hero-text {
        text-align: left;
    }
    
    .hero-headline {
        font-size: 36px;
    }
    
    .trust-badges {
        justify-content: flex-start;
    }
}

/* Desktop */
@media (min-width: 1024px) {
    .hero-headline {
        font-size: 48px;
    }
    
    .hero-product-image {
        max-width: 500px;
    }
}

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

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

@keyframes glowPulse {
    0%, 100% {
        opacity: 0.3;
        transform: translate(-50%, -50%) scale(1);
    }
    50% {
        opacity: 0.6;
        transform: translate(-50%, -50%) scale(1.1);
    }
}

@keyframes particleFloat {
    0%, 100% {
        transform: translateY(0) translateX(0);
        opacity: 0.6;
    }
    25% {
        transform: translateY(-30px) translateX(20px);
        opacity: 0.8;
    }
    50% {
        transform: translateY(-60px) translateX(-10px);
        opacity: 0.4;
    }
    75% {
        transform: translateY(-30px) translateX(-20px);
        opacity: 0.8;
    }
}

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

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

@keyframes buttonPulse {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(30, 64, 175, 0.7);
    }
    50% {
        box-shadow: 0 0 0 15px rgba(30, 64, 175, 0);
    }
}

/* ==================================
   SECTION 3: WHY CHOOSE US
   ================================== */
.why-choose-section {
    padding: var(--space-3xl) 0;
    background: var(--white);
}

.section-heading {
    font-family: var(--font-display);
    font-size: 32px;
    font-weight: 800;
    text-align: center;
    color: var(--black);
    margin-bottom: var(--space-xl);
}

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

.feature-card {
    background: var(--white);
    border: 2px solid var(--light-gray);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    text-align: center;
    transition: var(--transition-base);
    opacity: 0;
    transform: translateY(30px);
}

.feature-card.fade-in {
    animation: fadeInUp 0.6s ease forwards;
}

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

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

.feature-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: var(--space-sm);
}

.feature-description {
    font-size: 15px;
    line-height: 1.6;
    color: var(--gray);
}

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

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

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

/* Desktop */
@media (min-width: 992px) {
    .features-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .section-heading {
        font-size: 40px;
    }
}

/* ==================================
   SECTION 4: WHAT IS PRIMO BOOST XL
   ================================== */
.what-is-section {
    padding: var(--space-3xl) 0;
    background: linear-gradient(135deg, #F0F9FF 0%, var(--white) 100%);
}

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

.what-is-text .section-heading {
    text-align: left;
}

.content-paragraph {
    font-size: 16px;
    line-height: 1.8;
    color: var(--gray);
    margin-bottom: var(--space-md);
}

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

.responsive-image {
    width: 100%;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
}

/* Tablet and Up */
@media (min-width: 768px) {
    .what-is-content {
        grid-template-columns: 1fr 1fr;
    }
    
    .what-is-image {
        order: 1;
    }
}

/* ==================================
   SECTION 5: HOW IT WORKS
   ================================== */
.how-it-works-section {
    padding: var(--space-3xl) 0;
    background: var(--white);
}

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

.accordion-item {
    background: var(--white);
    border: 2px solid var(--light-gray);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-md);
    overflow: hidden;
    transition: var(--transition-base);
}

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

.accordion-header {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md);
    background: var(--off-white);
    cursor: pointer;
    transition: var(--transition-base);
    min-height: 56px;
}

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

.accordion-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--black);
    text-align: left;
}

.accordion-icon {
    font-size: 24px;
    font-weight: 300;
    color: var(--primary-blue);
    transition: transform var(--transition-base);
}

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

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

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

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

/* Desktop */
@media (min-width: 768px) {
    .accordion-title {
        font-size: 20px;
    }
}

/* ==================================
   SECTION 6: CUSTOMER REVIEWS
   ================================== */
.reviews-section {
    padding: var(--space-3xl) 0;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-blue-light) 100%);
    color: var(--white);
}

.reviews-section .section-heading {
    color: var(--white);
}

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

.review-card {
    background: rgba(255, 255, 255, 0.95);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    box-shadow: var(--shadow-xl);
    opacity: 0;
    transform: translateX(-50px);
    transition: var(--transition-slow);
}

.review-card.slide-in {
    animation: slideInFromLeft 0.6s ease forwards;
}

.review-card:nth-child(2) {
    animation-delay: 0.2s;
}

.review-card:nth-child(3) {
    animation-delay: 0.4s;
}

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

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

.reviewer-info {
    flex: 1;
}

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

.reviewer-location {
    font-size: 14px;
    color: var(--gray);
    margin-bottom: 8px;
}

.star-rating {
    color: var(--accent-gold);
    font-size: 16px;
    letter-spacing: 2px;
}

.review-text {
    font-size: 15px;
    line-height: 1.8;
    color: var(--dark-gray);
    font-style: italic;
}

@keyframes slideInFromLeft {
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

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

/* ==================================
   SECTION 7: PRICING
   ================================== */
.pricing-section {
    padding: var(--space-3xl) 0;
    background: var(--off-white);
}

.section-subheading {
    text-align: center;
    font-size: 18px;
    color: var(--gray);
    margin-bottom: var(--space-xl);
}

.countdown-timer {
    max-width: 400px;
    margin: 0 auto var(--space-xl);
    background: linear-gradient(135deg, var(--error), #DC2626);
    color: var(--white);
    padding: var(--space-md);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-xl);
}

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

.timer-display {
    font-size: 48px;
    font-weight: 900;
    font-family: var(--font-display);
    letter-spacing: 4px;
}

.pricing-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-lg);
    max-width: 1200px;
    margin: 0 auto;
}

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

.pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-2xl);
    border-color: var(--primary-blue);
}

.most-popular {
    border: 3px solid var(--accent-gold);
    background: linear-gradient(135deg, #FFF9E6 0%, var(--white) 100%);
    transform: scale(1.05);
}

.popular-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--accent-gold), var(--accent-gold-light));
    color: var(--black);
    padding: 8px 24px;
    border-radius: var(--radius-full);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 1px;
    box-shadow: var(--shadow-lg);
}

.package-label {
    font-size: 14px;
    font-weight: 700;
    color: var(--primary-blue);
    letter-spacing: 2px;
    margin-bottom: var(--space-sm);
}

.package-title {
    font-size: 24px;
    font-weight: 900;
    color: var(--black);
    margin-bottom: 4px;
}

.package-subtitle {
    font-size: 14px;
    color: var(--gray);
    margin-bottom: var(--space-md);
}

.package-image {
    margin: var(--space-md) 0;
}

.package-image img {
    width: 100%;
    max-width: 200px;
    margin: 0 auto;
}

.package-price {
    margin: var(--space-md) 0;
}

.price-value {
    font-size: 48px;
    font-weight: 900;
    color: var(--primary-blue);
    font-family: var(--font-display);
}

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

.package-total {
    margin: var(--space-md) 0;
}

.old-price {
    font-size: 20px;
    color: var(--gray);
    text-decoration: line-through;
    margin-right: var(--space-sm);
}

.new-price {
    font-size: 32px;
    font-weight: 900;
    color: var(--success);
}

.bonus-badges {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    margin: var(--space-md) 0;
}

.bonus-badge {
    background: linear-gradient(135deg, var(--success), #059669);
    color: var(--white);
    padding: 8px 16px;
    border-radius: var(--radius-full);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 1px;
}

.add-to-cart-btn {
    display: block;
    margin: var(--space-md) auto;
    transition: var(--transition-base);
}

.add-to-cart-btn img {
    max-width: 200px;
    margin: 0 auto;
}

.add-to-cart-btn:hover {
    transform: scale(1.05);
}

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

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

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

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

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

/* Desktop */
@media (min-width: 992px) {
    .pricing-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .timer-display {
        font-size: 64px;
    }
}

/* ==================================
   SECTION 8: BONUS SECTION
   ================================== */
.bonus-section {
    padding: var(--space-3xl) 0;
    background: var(--white);
}

.bonus-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-xl);
    max-width: 1000px;
    margin: 0 auto;
}

.bonus-card {
    background: linear-gradient(135deg, #F0F9FF 0%, var(--white) 100%);
    border: 2px solid var(--primary-blue-lighter);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    text-align: center;
}

.bonus-image {
    margin-bottom: var(--space-md);
}

.bonus-image img {
    width: 100%;
    max-width: 300px;
    margin: 0 auto;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
}

.bonus-title {
    font-size: 22px;
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: var(--space-md);
}

.bonus-description {
    font-size: 15px;
    line-height: 1.8;
    color: var(--gray);
}

/* Tablet and Up */
@media (min-width: 768px) {
    .bonus-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ==================================
   SECTION 9: INGREDIENTS
   ================================== */
.ingredients-section {
    padding: var(--space-3xl) 0;
    background: var(--off-white);
}

.ingredients-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-md);
    max-width: 1100px;
    margin: 0 auto;
}

.ingredient-card {
    background: var(--white);
    border-left: 4px solid var(--primary-blue);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    transition: var(--transition-base);
}

.ingredient-card:hover {
    border-left-color: var(--accent-gold);
    box-shadow: var(--shadow-lg);
    transform: translateX(5px);
}

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

.ingredient-description {
    font-size: 15px;
    line-height: 1.8;
    color: var(--gray);
}

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

/* ==================================
   SECTION 10: SCIENTIFIC EVIDENCE
   ================================== */
.science-section {
    padding: var(--space-3xl) 0;
    background: var(--white);
}

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

.science-item {
    background: var(--white);
    border: 2px solid var(--light-gray);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-md);
    overflow: hidden;
}

.science-header {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md);
    background: var(--off-white);
    cursor: pointer;
    transition: var(--transition-base);
    min-height: 56px;
}

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

.science-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--black);
    text-align: left;
}

.science-icon {
    font-size: 24px;
    font-weight: 300;
    color: var(--primary-blue);
    transition: transform var(--transition-base);
}

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

.science-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

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

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

/* ==================================
   SECTION 11: SCIENTIFICALLY FORMULATED
   ================================== */
.formulation-section {
    padding: var(--space-3xl) 0;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-blue-light) 100%);
    color: var(--white);
}

.formulation-section .section-heading {
    color: var(--white);
}

.formulation-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-xl);
    max-width: 1000px;
    margin: 0 auto;
}

.formulation-step {
    background: rgba(255, 255, 255, 0.95);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    text-align: center;
    position: relative;
}

.step-number {
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--accent-gold), var(--accent-gold-light));
    color: var(--black);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 900;
    box-shadow: var(--shadow-lg);
}

.step-icon {
    font-size: 48px;
    margin-bottom: var(--space-md);
}

.step-title {
    font-size: 22px;
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: var(--space-md);
}

.step-description {
    font-size: 15px;
    line-height: 1.8;
    color: var(--gray);
}

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

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

/* ==================================
   SECTION 12: MONEY BACK GUARANTEE
   ================================== */
.guarantee-section {
    padding: var(--space-3xl) 0;
    background: var(--off-white);
}

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

.guarantee-image img {
    width: 100%;
    max-width: 400px;
    margin: 0 auto;
}

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

.point-icon {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--success), #059669);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 700;
}

.point-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: var(--space-sm);
}

.point-description {
    font-size: 15px;
    line-height: 1.8;
    color: var(--gray);
}

/* Tablet and Up */
@media (min-width: 768px) {
    .guarantee-content {
        grid-template-columns: 1fr 1.5fr;
    }
}

/* ==================================
   SECTION 13: BENEFITS
   ================================== */
.benefits-section {
    padding: var(--space-3xl) 0;
    background: var(--white);
}

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

.benefit-item {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
    padding: var(--space-md);
    background: var(--off-white);
    border-radius: var(--radius-md);
    transition: var(--transition-base);
}

.benefit-item:hover {
    background: linear-gradient(135deg, #F0F9FF 0%, var(--white) 100%);
    transform: translateX(10px);
    box-shadow: var(--shadow-md);
}

.benefit-icon {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, var(--success), #059669);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 700;
}

.benefit-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: 4px;
}

.benefit-description {
    font-size: 15px;
    line-height: 1.6;
    color: var(--gray);
}

/* ==================================
   SECTION 15: FAQ
   ================================== */
.faq-section {
    padding: var(--space-3xl) 0;
    background: var(--off-white);
}

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

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

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md);
    cursor: pointer;
    transition: var(--transition-base);
    min-height: 56px;
}

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

.faq-title {
    font-size: 17px;
    font-weight: 700;
    color: var(--black);
    text-align: left;
}

.faq-icon {
    font-size: 24px;
    font-weight: 300;
    color: var(--primary-blue);
    transition: transform var(--transition-base);
}

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

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 400px;
}

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

/* ==================================
   SECTION 16: FINAL CTA
   ================================== */
.final-cta-section {
    padding: var(--space-3xl) 0;
    background: linear-gradient(135deg, #F0F9FF 0%, #E0F2FE 100%);
    position: relative;
    overflow: hidden;
}

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

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

.final-product-image {
    width: 100%;
    max-width: 350px;
    animation: floatAnimation 6s ease-in-out infinite;
}

.cta-glow-effect {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 120%;
    height: 120%;
    background: radial-gradient(circle, rgba(212, 175, 55, 0.3) 0%, transparent 70%);
    border-radius: 50%;
    animation: glowPulse 4s ease-in-out infinite;
    z-index: -1;
}

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

.final-cta-headline {
    font-family: var(--font-display);
    font-size: 28px;
    font-weight: 900;
    color: var(--black);
    margin-bottom: var(--space-lg);
}

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

.regular-price {
    font-size: 18px;
    color: var(--gray);
    margin-bottom: var(--space-sm);
}

.strike {
    text-decoration: line-through;
    color: var(--error);
}

.special-price {
    font-size: 24px;
    font-weight: 700;
    color: var(--dark-gray);
}

.price-highlight {
    font-size: 42px;
    font-weight: 900;
    color: var(--primary-blue);
    font-family: var(--font-display);
}

.final-cta-btn {
    margin: var(--space-xl) auto;
}

.final-trust-elements {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    margin-top: var(--space-lg);
}

.trust-item {
    font-size: 15px;
    color: var(--success);
    font-weight: 600;
}

/* Tablet and Up */
@media (min-width: 768px) {
    .final-cta-content {
        grid-template-columns: 1fr 1fr;
    }
    
    .final-cta-text {
        text-align: left;
    }
    
    .final-cta-headline {
        font-size: 36px;
    }
    
    .final-trust-elements {
        align-items: flex-start;
    }
}

/* Desktop */
@media (min-width: 1024px) {
    .final-cta-headline {
        font-size: 44px;
    }
}

/* ==================================
   SECTION 17: FOOTER
   ================================== */
.main-footer {
    background: var(--black);
    color: var(--light-gray);
    padding: var(--space-3xl) 0 var(--space-md);
}

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

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

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: var(--space-sm);
}

.footer-links a {
    color: var(--light-gray);
    font-size: 15px;
    transition: var(--transition-base);
}

.footer-links a:hover {
    color: var(--accent-gold);
    padding-left: 5px;
}

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

.social-icons {
    display: flex;
    gap: var(--space-md);
}

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

.social-icons a:hover {
    background: var(--accent-gold);
    transform: translateY(-3px);
}

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

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

/* Tablet */
@media (min-width: 768px) {
    .footer-content {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .footer-bottom {
        text-align: left;
    }
}

/* ==================================
   SCROLL TO TOP BUTTON
   ================================== */
.scroll-top-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-blue-light));
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    box-shadow: var(--shadow-xl);
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: 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);
}

/* ==================================
   PURCHASE NOTIFICATION
   ================================== */
.purchase-notification {
    position: fixed;
    bottom: 30px;
    left: 30px;
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--space-md);
    box-shadow: var(--shadow-2xl);
    max-width: 300px;
    opacity: 0;
    transform: translateX(-100%);
    transition: all 0.5s ease;
    z-index: 998;
}

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

.notification-content {
    display: flex;
    gap: var(--space-md);
    align-items: flex-start;
}

.notification-icon {
    font-size: 28px;
}

.notification-text {
    flex: 1;
}

.customer-name {
    font-weight: 700;
    color: var(--primary-blue);
}

.customer-location {
    color: var(--gray);
}

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

/* Mobile Adjustments */
@media (max-width: 575px) {
    .purchase-notification {
        left: 15px;
        right: 15px;
        max-width: none;
    }
}

/* ==================================
   UTILITY CLASSES
   ================================== */
.text-center {
    text-align: center;
}

.mt-lg {
    margin-top: var(--space-lg);
}

.mb-lg {
    margin-bottom: var(--space-lg);
}

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

/* ==================================
   PRINT STYLES
   ================================== */
@media print {
    .main-header,
    .scroll-top-btn,
    .purchase-notification,
    .cta-button {
        display: none;
    }
}