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

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

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

body {
    font-family: 'Manrope', -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.6;
    color: #1a1a2e;
    background: #ffffff;
    overflow-x: hidden;
}

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

a {
    text-decoration: none;
    color: inherit;
}

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

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

/* ===================================
   CSS VARIABLES - MODERN GRADIENT THEME
   =================================== */

:root {
    /* Primary Colors - Gradient Blues */
    --primary-start: #4F46E5;
    --primary-end: #06B6D4;
    --primary-gradient: linear-gradient(135deg, var(--primary-start) 0%, var(--primary-end) 100%);
    
    /* Secondary Colors */
    --secondary: #10B981;
    --accent: #F59E0B;
    --danger: #EF4444;
    
    /* Neutrals */
    --dark: #1a1a2e;
    --gray-900: #111827;
    --gray-700: #374151;
    --gray-500: #6B7280;
    --gray-300: #D1D5DB;
    --gray-100: #F3F4F6;
    --white: #FFFFFF;
    
    /* Spacing */
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 32px;
    --spacing-xl: 48px;
    --spacing-2xl: 64px;
    --spacing-3xl: 96px;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 20px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.2);
    --shadow-glow: 0 0 30px rgba(79, 70, 229, 0.3);
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Container */
    --container-max: 1200px;
    --container-padding: 20px;
}

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

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    width: 100%;
}

.section-title {
    font-family: 'Sora', sans-serif;
    font-size: 28px;
    font-weight: 800;
    color: var(--dark);
    text-align: center;
    margin-bottom: var(--spacing-sm);
    line-height: 1.2;
}

.section-subtitle {
    font-size: 16px;
    color: var(--gray-700);
    text-align: center;
    margin-bottom: var(--spacing-xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

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

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

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

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

.nav-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: var(--spacing-sm) var(--container-padding);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: 'Sora', sans-serif;
    font-weight: 800;
    font-size: 20px;
    color: var(--dark);
}

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

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

.nav-link {
    font-weight: 600;
    color: var(--gray-700);
    transition: color var(--transition-fast);
    font-size: 15px;
}

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

.nav-cta {
    padding: 12px 24px !important;
    font-size: 15px !important;
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
    z-index: 1001;
}

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

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

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

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* ===================================
   BUTTONS
   =================================== */

.btn-primary {
    background: var(--primary-gradient);
    color: var(--white);
    padding: 14px 32px;
    border-radius: var(--radius-full);
    font-weight: 700;
    font-size: 16px;
    display: inline-block;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-md);
    min-height: 48px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-primary:hover {
    transform: translateY(-2px) scale(1.02);
    box-shadow: var(--shadow-lg);
}

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

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

.hero {
    position: relative;
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(79, 70, 229, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    animation: pulse 8s ease-in-out infinite;
}

.hero-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

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

.product-showcase {
    position: relative;
    width: 100%;
    max-width: 450px;
    animation: fadeInLeft 1s ease-out;
}

.product-bottle {
    position: relative;
    z-index: 2;
    filter: drop-shadow(0 20px 40px rgba(79, 70, 229, 0.3));
    animation: floatBottle 6s 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(6, 182, 212, 0.2) 0%, transparent 70%);
    border-radius: 50%;
    animation: glowPulse 3s ease-in-out infinite;
    z-index: 1;
}

.float-particle {
    position: absolute;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    opacity: 0.6;
}

.particle-1 {
    top: 10%;
    left: 10%;
    background: linear-gradient(135deg, #4F46E5 0%, #06B6D4 100%);
    animation: floatParticle1 8s ease-in-out infinite;
}

.particle-2 {
    bottom: 15%;
    right: 15%;
    background: linear-gradient(135deg, #06B6D4 0%, #10B981 100%);
    animation: floatParticle2 10s ease-in-out infinite;
}

.particle-3 {
    top: 50%;
    right: 5%;
    background: linear-gradient(135deg, #10B981 0%, #F59E0B 100%);
    animation: floatParticle3 7s ease-in-out infinite;
}

.hero-content {
    animation: fadeInRight 1s ease-out;
}

.hero-badge {
    display: inline-block;
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.1) 0%, rgba(6, 182, 212, 0.1) 100%);
    color: var(--primary-start);
    padding: 8px 20px;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 14px;
    margin-bottom: var(--spacing-md);
    border: 2px solid rgba(79, 70, 229, 0.2);
}

.hero-title {
    font-family: 'Sora', sans-serif;
    font-size: 42px;
    font-weight: 800;
    line-height: 1.2;
    color: var(--dark);
    margin-bottom: var(--spacing-md);
}

.hero-description {
    font-size: 16px;
    color: var(--gray-700);
    margin-bottom: var(--spacing-lg);
    line-height: 1.7;
}

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

.hero-cta-wrapper {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.btn-hero {
    background: var(--primary-gradient);
    color: var(--white);
    padding: 18px 40px;
    border-radius: var(--radius-full);
    font-weight: 700;
    font-size: 18px;
    display: inline-flex;
    align-items: center;
    gap: 12px;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-lg);
    min-height: 56px;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.btn-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s ease;
}

.btn-hero:hover::before {
    left: 100%;
}

.btn-hero:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: var(--shadow-xl);
}

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

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

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

.trust-badges-mini {
    display: flex;
    gap: var(--spacing-md);
    font-size: 14px;
    color: var(--gray-700);
    font-weight: 600;
}

.trust-badges-mini span {
    display: flex;
    align-items: center;
    gap: 6px;
}

.hero-wave {
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
    height: 80px;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1200 120'%3E%3Cpath d='M321.39,56.44c58-10.79,114.16-30.13,172-41.86,82.39-16.72,168.19-17.73,250.45-.39C823.78,31,906.67,72,985.66,92.83c70.05,18.48,146.53,26.09,214.34,3V0H0V27.35A600.21,600.21,0,0,0,321.39,56.44Z' fill='%23ffffff'%3E%3C/path%3E%3C/svg%3E") no-repeat center bottom;
    background-size: cover;
}

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

.why-choose {
    padding: var(--spacing-3xl) 0;
    background: var(--white);
}

.badges-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
}

.badge-card {
    background: var(--white);
    border: 2px solid var(--gray-100);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    text-align: center;
    transition: all var(--transition-base);
    opacity: 0;
    transform: translateY(30px);
}

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

.badge-card:hover {
    transform: translateY(-8px) scale(1.05) rotate(2deg);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-start);
}

.badge-icon {
    width: 100px;
    height: 100px;
    margin: 0 auto var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.badge-title {
    font-family: 'Sora', sans-serif;
    font-size: 18px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: var(--spacing-sm);
}

.badge-desc {
    font-size: 14px;
    color: var(--gray-700);
    line-height: 1.6;
}

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

.what-is {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg, #f9fafb 0%, #f3f4f6 100%);
}

.what-is-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

.what-is-content {
    padding-right: var(--spacing-md);
}

.what-is-content .section-title {
    text-align: left;
    margin-bottom: var(--spacing-md);
}

.what-is-content p {
    font-size: 16px;
    color: var(--gray-700);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.what-is-image {
    position: relative;
}

.showcase-img {
    width: 100%;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    position: relative;
    z-index: 2;
}

.image-decoration {
    position: absolute;
    top: -20px;
    right: -20px;
    width: 200px;
    height: 200px;
    background: var(--primary-gradient);
    border-radius: 50%;
    opacity: 0.2;
    z-index: 1;
    animation: rotate 20s linear infinite;
}

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

.how-it-works {
    padding: var(--spacing-3xl) 0;
    background: var(--white);
}

.accordion {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.accordion-item {
    background: var(--white);
    border: 2px solid var(--gray-100);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: all var(--transition-base);
}

.accordion-item:hover {
    border-color: var(--primary-start);
    box-shadow: var(--shadow-md);
}

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

.accordion-header:hover {
    background: var(--gray-100);
}

.accordion-number {
    font-family: 'Sora', sans-serif;
    font-size: 24px;
    font-weight: 800;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    min-width: 40px;
}

.accordion-title {
    flex: 1;
    font-family: 'Sora', sans-serif;
    font-size: 18px;
    font-weight: 700;
    color: var(--dark);
    text-align: left;
}

.accordion-icon {
    font-size: 28px;
    color: var(--primary-start);
    transition: transform var(--transition-base);
    min-width: 32px;
    text-align: center;
}

.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: 0 var(--spacing-md) var(--spacing-md);
    color: var(--gray-700);
    line-height: 1.8;
    font-size: 15px;
}

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

.reviews {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    position: relative;
    overflow: hidden;
}

.reviews::before {
    content: '';
    position: absolute;
    top: 0;
    left: -50%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(245, 158, 11, 0.15) 0%, transparent 70%);
    border-radius: 50%;
}

.reviews-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.review-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    opacity: 0;
    transform: scale(0.9) translateY(20px);
}

.review-card.aos-animate {
    opacity: 1;
    transform: scale(1) translateY(0);
    animation: reviewPop 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.review-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: var(--shadow-xl);
}

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

.review-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    border: 3px solid var(--primary-start);
    object-fit: cover;
}

.review-info {
    flex: 1;
}

.review-name {
    font-family: 'Sora', sans-serif;
    font-size: 16px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 4px;
}

.review-location {
    font-size: 13px;
    color: var(--gray-500);
}

.review-stars {
    color: #F59E0B;
    font-size: 18px;
    margin-bottom: var(--spacing-sm);
    letter-spacing: 2px;
}

.review-text {
    font-size: 14px;
    color: var(--gray-700);
    line-height: 1.7;
    margin-bottom: var(--spacing-sm);
}

.review-verified {
    font-size: 13px;
    color: var(--secondary);
    font-weight: 600;
}

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

.pricing {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
}

.pricing-2 {
    background: linear-gradient(135deg, #f0fdf4 0%, #dcfce7 100%);
}

.pricing-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.countdown-timer {
    display: inline-block;
    background: var(--white);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    margin-top: var(--spacing-md);
}

.timer-label {
    font-weight: 700;
    color: var(--danger);
    margin-bottom: var(--spacing-sm);
    font-size: 16px;
}

.timer-display {
    display: flex;
    align-items: center;
    gap: 12px;
}

.timer-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    background: var(--primary-gradient);
    color: var(--white);
    padding: 16px 24px;
    border-radius: var(--radius-md);
    min-width: 100px;
}

.timer-value {
    font-family: 'Sora', sans-serif;
    font-size: 36px;
    font-weight: 800;
    line-height: 1;
}

.timer-label-small {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 4px;
}

.timer-separator {
    font-size: 36px;
    font-weight: 800;
    color: var(--primary-start);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.pricing-card {
    background: var(--white);
    border: 3px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    text-align: center;
    transition: all var(--transition-base);
    position: relative;
}

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

.pricing-card.featured {
    border-color: var(--primary-start);
    border-width: 4px;
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.05) 0%, rgba(6, 182, 212, 0.05) 100%);
    transform: scale(1.05);
}

.pricing-card.featured:hover {
    transform: translateY(-10px) scale(1.08);
}

.popular-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--danger);
    color: var(--white);
    padding: 8px 24px;
    border-radius: var(--radius-full);
    font-weight: 700;
    font-size: 13px;
    box-shadow: var(--shadow-md);
    animation: pulse 2s ease-in-out infinite;
}

.pricing-label {
    font-family: 'Sora', sans-serif;
    font-size: 14px;
    font-weight: 800;
    color: var(--primary-start);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--spacing-xs);
}

.pricing-supply {
    font-family: 'Sora', sans-serif;
    font-size: 22px;
    font-weight: 800;
    color: var(--dark);
    margin-bottom: 4px;
}

.pricing-duration {
    font-size: 14px;
    color: var(--gray-500);
    margin-bottom: var(--spacing-md);
}

.pricing-image {
    margin: var(--spacing-md) 0;
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.pricing-image img {
    max-height: 200px;
    width: auto;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.1));
}

.pricing-amount {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: var(--spacing-sm);
}

.price-per {
    font-family: 'Sora', sans-serif;
    font-size: 48px;
    font-weight: 800;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

.price-label {
    font-size: 14px;
    color: var(--gray-500);
}

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

.price-old {
    font-size: 20px;
    color: var(--gray-500);
    text-decoration: line-through;
}

.price-new {
    font-family: 'Sora', sans-serif;
    font-size: 28px;
    font-weight: 800;
    color: var(--secondary);
}

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

.bonus-badge, .shipping-badge {
    font-size: 13px;
    font-weight: 700;
    padding: 6px 12px;
    border-radius: var(--radius-sm);
}

.bonus-badge {
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    color: #92400e;
}

.shipping-badge {
    background: linear-gradient(135deg, #dcfce7 0%, #bbf7d0 100%);
    color: #14532d;
}

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

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

.btn-cart-icon {
    width: 100%;
    max-width: 250px;
    margin: 0 auto;
}

.payment-logos {
    display: flex;
    justify-content: center;
}

.payment-logos img {
    max-width: 200px;
}

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

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

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

.ingredients {
    padding: var(--spacing-3xl) 0;
    background: var(--white);
}

.ingredients-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.ingredient-card {
    background: linear-gradient(135deg, var(--gray-100) 0%, var(--white) 100%);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    transition: all var(--transition-base);
}

.ingredient-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-start);
}

.ingredient-card h3 {
    font-family: 'Sora', sans-serif;
    font-size: 18px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: var(--spacing-sm);
}

.ingredient-card p {
    font-size: 14px;
    color: var(--gray-700);
    line-height: 1.7;
}

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

.science {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg, #f9fafb 0%, #f3f4f6 100%);
}

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

.science-section {
    background: var(--white);
    border-left: 4px solid var(--primary-start);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

.science-section:hover {
    box-shadow: var(--shadow-md);
    transform: translateX(8px);
}

.science-section h3 {
    font-family: 'Sora', sans-serif;
    font-size: 20px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: var(--spacing-sm);
}

.science-section p {
    font-size: 15px;
    color: var(--gray-700);
    line-height: 1.8;
}

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

.guarantee {
    padding: var(--spacing-3xl) 0;
    background: var(--white);
}

.guarantee-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

.guarantee-image img {
    width: 100%;
    max-width: 400px;
    margin: 0 auto;
    filter: drop-shadow(0 10px 30px rgba(79, 70, 229, 0.2));
}

.guarantee-content .section-title {
    text-align: left;
    margin-bottom: var(--spacing-xl);
}

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

.guarantee-icon {
    width: 40px;
    height: 40px;
    background: var(--primary-gradient);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 800;
    flex-shrink: 0;
}

.guarantee-text h3 {
    font-family: 'Sora', sans-serif;
    font-size: 18px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: var(--spacing-xs);
}

.guarantee-text p {
    font-size: 15px;
    color: var(--gray-700);
    line-height: 1.7;
}

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

.benefits {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
    max-width: 900px;
    margin: 0 auto;
}

.benefit-item {
    display: flex;
    gap: var(--spacing-md);
    background: var(--white);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    border: 2px solid var(--gray-100);
    transition: all var(--transition-base);
}

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

.benefit-icon {
    width: 32px;
    height: 32px;
    background: var(--primary-gradient);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: 800;
    flex-shrink: 0;
}

.benefit-text h3 {
    font-family: 'Sora', sans-serif;
    font-size: 16px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 4px;
}

.benefit-text p {
    font-size: 14px;
    color: var(--gray-700);
    line-height: 1.6;
}

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

.faq {
    padding: var(--spacing-3xl) 0;
    background: var(--white);
}

.faq-accordion {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.faq-item {
    background: var(--white);
    border: 2px solid var(--gray-100);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: all var(--transition-base);
}

.faq-item:hover {
    border-color: var(--primary-start);
    box-shadow: var(--shadow-md);
}

.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--white);
    font-family: 'Sora', sans-serif;
    font-size: 17px;
    font-weight: 700;
    color: var(--dark);
    text-align: left;
    cursor: pointer;
    transition: all var(--transition-base);
    min-height: 60px;
}

.faq-question:hover {
    background: var(--gray-100);
}

.faq-icon {
    font-size: 28px;
    color: var(--primary-start);
    transition: transform var(--transition-base);
    min-width: 32px;
    text-align: center;
}

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

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

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer p {
    padding: 0 var(--spacing-lg) var(--spacing-lg);
    color: var(--gray-700);
    line-height: 1.8;
    font-size: 15px;
}

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

.final-cta {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg, #1e1b4b 0%, #312e81 100%);
    position: relative;
    overflow: hidden;
}

.final-cta::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(79, 70, 229, 0.3) 0%, transparent 70%);
    border-radius: 50%;
    animation: pulse 8s ease-in-out infinite;
}

.final-cta-content {
    display: flex;
    align-items: center;
    gap: var(--spacing-2xl);
    position: relative;
    z-index: 2;
}

.final-cta-image {
    flex: 1;
    position: relative;
    display: flex;
    justify-content: center;
}

.final-product-image {
    max-width: 400px;
    filter: drop-shadow(0 20px 40px rgba(255, 255, 255, 0.2));
    animation: floatBottle 6s ease-in-out infinite;
}

.cta-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 120%;
    height: 120%;
    background: radial-gradient(circle, rgba(6, 182, 212, 0.3) 0%, transparent 70%);
    border-radius: 50%;
    animation: glowPulse 3s ease-in-out infinite;
}

.final-cta-text {
    flex: 1;
    color: var(--white);
}

.final-cta-title {
    font-family: 'Sora', sans-serif;
    font-size: 36px;
    font-weight: 800;
    color: var(--white);
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

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

.final-price-old {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.6);
    text-decoration: line-through;
}

.final-price-new {
    font-family: 'Sora', sans-serif;
    font-size: 42px;
    font-weight: 800;
    color: var(--white);
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.btn-final-cta {
    background: linear-gradient(135deg, #10B981 0%, #059669 100%);
    color: var(--white);
    padding: 20px 48px;
    border-radius: var(--radius-full);
    font-weight: 800;
    font-size: 20px;
    display: inline-flex;
    align-items: center;
    gap: 12px;
    transition: all var(--transition-base);
    box-shadow: 0 10px 30px rgba(16, 185, 129, 0.4);
    min-height: 60px;
    margin-bottom: var(--spacing-md);
}

.btn-final-cta:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 15px 40px rgba(16, 185, 129, 0.6);
}

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

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

.btn-final-cta:hover .btn-arrow {
    transform: translateX(8px);
}

.final-trust-items {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    font-size: 14px;
    color: rgba(255, 255, 255, 0.9);
}

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

.footer {
    padding: var(--spacing-2xl) 0 var(--spacing-md);
    background: var(--gray-900);
    color: var(--white);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: 'Sora', sans-serif;
    font-weight: 800;
    font-size: 22px;
    margin-bottom: var(--spacing-sm);
}

.footer-tagline {
    color: var(--gray-300);
    font-size: 14px;
}

.footer-col h4 {
    font-family: 'Sora', sans-serif;
    font-size: 16px;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.footer-links a {
    color: var(--gray-300);
    font-size: 14px;
    transition: color var(--transition-fast);
}

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

.social-links {
    display: flex;
    gap: var(--spacing-sm);
}

.social-link {
    width: 44px;
    height: 44px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
}

.social-link:hover {
    background: var(--primary-gradient);
    transform: translateY(-4px) scale(1.1);
}

.footer-disclaimer {
    background: rgba(255, 255, 255, 0.05);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
}

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

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

.footer-copyright p {
    font-size: 14px;
    color: var(--gray-300);
}

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

.scroll-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 56px;
    height: 56px;
    background: var(--primary-gradient);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    z-index: 999;
}

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

.scroll-top:hover {
    transform: translateY(-5px) scale(1.1);
    box-shadow: var(--shadow-xl);
}

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

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

.popup {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transform: translateY(100px) scale(0.8);
    transition: all 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.popup.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

.popup-content {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    max-width: 400px;
    position: relative;
    overflow: hidden;
}

.popup-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--primary-gradient);
}

.popup-close {
    position: absolute;
    top: 12px;
    right: 12px;
    width: 32px;
    height: 32px;
    background: var(--gray-100);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: var(--gray-700);
    transition: all var(--transition-fast);
    z-index: 2;
}

.popup-close:hover {
    background: var(--danger);
    color: var(--white);
    transform: rotate(90deg);
}

.popup-body {
    padding: var(--spacing-lg);
}

.popup-icon {
    font-size: 48px;
    text-align: center;
    margin-bottom: var(--spacing-sm);
}

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

.popup-text h4 {
    font-family: 'Sora', sans-serif;
    font-size: 20px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: var(--spacing-xs);
}

.popup-text p {
    font-size: 15px;
    color: var(--gray-700);
}

.popup-btn {
    display: block;
    width: 100%;
    background: var(--primary-gradient);
    color: var(--white);
    padding: 14px 24px;
    border-radius: var(--radius-full);
    font-weight: 700;
    font-size: 16px;
    text-align: center;
    transition: all var(--transition-base);
    min-height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.popup-btn:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-lg);
}

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

.purchase-notif {
    position: fixed;
    bottom: 80px;
    left: 20px;
    background: var(--white);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-xl);
    z-index: 9998;
    opacity: 0;
    visibility: hidden;
    transform: translateX(-100%);
    transition: all 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    max-width: 320px;
}

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

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

.purchase-avatar {
    width: 50px;
    height: 50px;
    background: var(--primary-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    flex-shrink: 0;
}

.purchase-text {
    flex: 1;
}

.purchase-text strong {
    display: block;
    font-family: 'Sora', sans-serif;
    font-weight: 700;
    color: var(--dark);
    font-size: 14px;
}

.purchase-text span {
    font-size: 13px;
    color: var(--gray-500);
}

.purchase-text p {
    font-size: 13px;
    color: var(--gray-700);
    margin-top: 2px;
}

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

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes floatBottle {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
    }
    50% {
        transform: translateY(-20px) rotate(2deg);
    }
}

@keyframes glowPulse {
    0%, 100% {
        opacity: 0.6;
        transform: translate(-50%, -50%) scale(1);
    }
    50% {
        opacity: 0.8;
        transform: translate(-50%, -50%) scale(1.1);
    }
}

@keyframes floatParticle1 {
    0%, 100% {
        transform: translate(0, 0);
    }
    33% {
        transform: translate(20px, -20px);
    }
    66% {
        transform: translate(-10px, 15px);
    }
}

@keyframes floatParticle2 {
    0%, 100% {
        transform: translate(0, 0);
    }
    33% {
        transform: translate(-15px, 25px);
    }
    66% {
        transform: translate(20px, -15px);
    }
}

@keyframes floatParticle3 {
    0%, 100% {
        transform: translate(0, 0);
    }
    33% {
        transform: translate(15px, 20px);
    }
    66% {
        transform: translate(-20px, -10px);
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.8;
        transform: scale(1.05);
    }
}

@keyframes reviewPop {
    0% {
        opacity: 0;
        transform: scale(0.5) translateY(50px);
    }
    60% {
        opacity: 1;
        transform: scale(1.1) translateY(-10px);
    }
    100% {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

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

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

/* ===================================
   TABLET RESPONSIVE (768px - 1023px)
   =================================== */

@media (max-width: 1023px) {
    :root {
        --spacing-xl: 40px;
        --spacing-2xl: 56px;
        --spacing-3xl: 80px;
    }
    
    .section-title {
        font-size: 32px;
    }
    
    .hero-title {
        font-size: 36px;
    }
    
    .badges-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .ingredients-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ===================================
   MOBILE RESPONSIVE (< 768px)
   =================================== */

@media (max-width: 767px) {
    :root {
        --container-padding: 16px;
        --spacing-xl: 32px;
        --spacing-2xl: 48px;
        --spacing-3xl: 64px;
    }
    
    /* Navigation */
    .hamburger {
        display: flex;
    }
    
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: var(--white);
        flex-direction: column;
        padding: 80px 30px 30px;
        box-shadow: -5px 0 20px rgba(0, 0, 0, 0.1);
        transition: right 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
        align-items: flex-start;
        gap: var(--spacing-md);
    }
    
    .nav-links.active {
        right: 0;
    }
    
    .nav-link {
        font-size: 18px;
        width: 100%;
        padding: 12px 0;
        border-bottom: 1px solid var(--gray-100);
    }
    
    .nav-cta {
        width: 100%;
        text-align: center;
        margin-top: var(--spacing-sm);
    }
    
    /* Hero Section */
    .hero {
        padding: 100px 0 60px;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .hero-image {
        order: -1;
    }
    
    .product-showcase {
        max-width: 300px;
    }
    
    .hero-title {
        font-size: 28px;
    }
    
    .hero-description {
        font-size: 15px;
    }
    
    .btn-hero {
        width: 100%;
        font-size: 16px;
        padding: 16px 32px;
    }
    
    .trust-badges-mini {
        flex-direction: column;
        gap: var(--spacing-xs);
        font-size: 13px;
    }
    
    /* Section Titles */
    .section-title {
        font-size: 24px;
    }
    
    .section-subtitle {
        font-size: 14px;
    }
    
    /* Why Choose Us */
    .badges-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .badge-card {
        padding: var(--spacing-md);
    }
    
    /* What Is Section */
    .what-is-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .what-is-content {
        padding-right: 0;
        order: 2;
    }
    
    .what-is-content .section-title {
        text-align: center;
    }
    
    .what-is-image {
        order: 1;
    }
    
    .image-decoration {
        display: none;
    }
    
    /* Reviews */
    .reviews-grid {
        grid-template-columns: 1fr;
    }
    
    /* Pricing */
    .timer-box {
        min-width: 80px;
        padding: 12px 16px;
    }
    
    .timer-value {
        font-size: 28px;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .pricing-card.featured {
        transform: scale(1);
    }
    
    .pricing-card.featured:hover {
        transform: translateY(-10px) scale(1.02);
    }
    
    /* Ingredients */
    .ingredients-grid {
        grid-template-columns: 1fr;
    }
    
    /* Guarantee */
    .guarantee-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .guarantee-image {
        order: 1;
    }
    
    .guarantee-content {
        order: 2;
    }
    
    .guarantee-content .section-title {
        text-align: center;
    }
    
    /* Benefits */
    .benefits-grid {
        grid-template-columns: 1fr;
    }
    
    /* Final CTA */
    .final-cta-content {
        flex-direction: column;
        text-align: center;
    }
    
    .final-cta-title {
        font-size: 26px;
    }
    
    .final-price-new {
        font-size: 32px;
    }
    
    .btn-final-cta {
        width: 100%;
        font-size: 18px;
        padding: 18px 36px;
    }
    
    .final-trust-items {
        align-items: center;
    }
    
    /* Footer */
    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
        text-align: center;
    }
    
    .footer-logo {
        justify-content: center;
    }
    
    .footer-links {
        align-items: center;
    }
    
    .social-links {
        justify-content: center;
    }
    
    /* Popup Mobile */
    .popup {
        left: 10px;
        right: 10px;
        bottom: 10px;
    }
    
    .popup-content {
        max-width: 100%;
    }
    
    /* Purchase Notification Mobile */
    .purchase-notif {
        left: 10px;
        right: 10px;
        max-width: 100%;
        bottom: 20px;
    }
    
    /* Scroll to Top Mobile */
    .scroll-top {
        bottom: 20px;
        right: 20px;
        width: 50px;
        height: 50px;
    }
}

/* ===================================
   SMALL MOBILE (< 480px)
   =================================== */

@media (max-width: 479px) {
    .hero-title {
        font-size: 24px;
    }
    
    .section-title {
        font-size: 22px;
    }
    
    .timer-box {
        min-width: 70px;
        padding: 10px 12px;
    }
    
    .timer-value {
        font-size: 24px;
    }
    
    .timer-label-small {
        font-size: 10px;
    }
    
    .final-cta-title {
        font-size: 22px;
    }
    
    .btn-final-cta {
        font-size: 16px;
        padding: 16px 28px;
    }
}

/* ===================================
   LARGE DESKTOP (> 1440px)
   =================================== */

@media (min-width: 1440px) {
    :root {
        --container-max: 1400px;
    }
    
    .section-title {
        font-size: 48px;
    }
    
    .hero-title {
        font-size: 52px;
    }
}

/* ===================================
   ACCESSIBILITY
   =================================== */

:focus-visible {
    outline: 3px solid var(--primary-start);
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .btn-primary,
    .btn-hero,
    .btn-final-cta {
        border: 2px solid currentColor;
    }
}

/* Dark mode support (optional) */
@media (prefers-color-scheme: dark) {
    /* Can add dark mode styles if needed */
}