/* ===================================
   TRIMOLOGY - PREMIUM LANDING PAGE CSS
   =================================== */

/* CSS Variables */
:root {
    /* Colors - Medical Professional Theme */
    --primary: #10B981;
    --primary-dark: #059669;
    --primary-light: #34D399;
    --secondary: #3B82F6;
    --secondary-dark: #2563EB;
    --accent: #F59E0B;
    --accent-dark: #D97706;
    
    /* Neutrals */
    --white: #FFFFFF;
    --gray-50: #F9FAFB;
    --gray-100: #F3F4F6;
    --gray-200: #E5E7EB;
    --gray-300: #D1D5DB;
    --gray-400: #9CA3AF;
    --gray-500: #6B7280;
    --gray-600: #4B5563;
    --gray-700: #374151;
    --gray-800: #1F2937;
    --gray-900: #111827;
    
    /* Typography */
    --font-display: 'Playfair Display', serif;
    --font-body: 'Poppins', sans-serif;
    
    /* Spacing */
    --container-max: 1280px;
    --section-padding: 80px 20px;
    --section-padding-mobile: 50px 20px;
    
    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 20px 25px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 25px 50px rgba(0, 0, 0, 0.25);
}

/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    font-weight: 400;
    line-height: 1.7;
    color: var(--gray-700);
    background: var(--white);
    overflow-x: hidden;
}

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

/* Container */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 20px;
    width: 100%;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.2;
    color: var(--gray-900);
    margin-bottom: 1rem;
}

h1 {
    font-size: clamp(32px, 5vw, 48px);
}

h2 {
    font-size: clamp(28px, 4vw, 40px);
}

h3 {
    font-size: clamp(22px, 3vw, 28px);
}

p {
    margin-bottom: 1rem;
    color: var(--gray-600);
}

/* Links */
a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

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

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

/* Lists */
ul {
    list-style: none;
}

/* Section Title */
.section-title {
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
    padding-bottom: 1rem;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    border-radius: 2px;
}

/* CTA Buttons */
.cta-button, .hero-cta, .pricing-button, .final-cta-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 16px 32px;
    font-size: 18px;
    font-weight: 600;
    color: var(--white);
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-radius: 50px;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border: none;
    cursor: pointer;
    text-align: center;
    min-height: 56px;
}

.cta-button:hover, .hero-cta:hover, .pricing-button:hover, .final-cta-button:hover {
    transform: translateY(-2px) scale(1.02);
    box-shadow: var(--shadow-lg);
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
}

.cta-button:active, .hero-cta:active, .pricing-button:active, .final-cta-button:active {
    transform: translateY(0) scale(0.98);
}

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

.main-nav.scrolled {
    box-shadow: var(--shadow-md);
}

.nav-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 0;
}

.logo-text {
    font-family: var(--font-display);
    font-size: 28px;
    font-weight: 800;
    color: var(--primary);
    letter-spacing: -0.5px;
}

.logo-text sup {
    font-size: 14px;
    top: -0.5em;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-link {
    font-weight: 500;
    color: var(--gray-700);
    transition: var(--transition);
    position: relative;
}

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

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

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

.nav-cta {
    padding: 10px 24px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--white);
    border-radius: 50px;
    font-weight: 600;
    transition: var(--transition);
}

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

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    z-index: 1001;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--gray-700);
    border-radius: 2px;
    transition: var(--transition);
}

/* Mobile Navigation */
@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: var(--white);
        flex-direction: column;
        align-items: flex-start;
        padding: 80px 30px 30px;
        box-shadow: var(--shadow-xl);
        transition: var(--transition);
        gap: 20px;
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .nav-link {
        font-size: 18px;
        width: 100%;
        padding: 10px 0;
    }
    
    .nav-cta {
        width: 100%;
        text-align: center;
        padding: 14px 24px;
    }
    
    .mobile-menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(8px, 8px);
    }
    
    .mobile-menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }
}

/* ===================================
   HERO SECTION
   =================================== */
.hero {
    padding: var(--section-padding);
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--white) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -30%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(16, 185, 129, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-image {
    position: relative;
    text-align: center;
}

.hero-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--accent);
    color: var(--white);
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 6px;
    box-shadow: var(--shadow-md);
    z-index: 10;
}

.hero-product {
    max-width: 500px;
    margin: 0 auto;
    filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.15));
}

.floating-animation {
    animation: floating 3s ease-in-out infinite;
}

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

.hero-title {
    color: var(--gray-900);
    margin-bottom: 1.5rem;
    line-height: 1.1;
}

.hero-description {
    margin-bottom: 2rem;
}

.hero-description p {
    font-size: 16px;
    line-height: 1.7;
    margin-bottom: 1rem;
}

.hero-benefits {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 2rem;
}

.benefit-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    background: var(--white);
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.benefit-item:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.benefit-icon {
    font-size: 28px;
    flex-shrink: 0;
}

.benefit-item span {
    font-size: 14px;
    font-weight: 500;
    color: var(--gray-700);
}

.trust-badges {
    display: flex;
    align-items: center;
    gap: 24px;
    margin-top: 2rem;
    flex-wrap: wrap;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--gray-600);
}

.trust-item svg {
    color: var(--primary);
    flex-shrink: 0;
}

/* Mobile Hero */
@media (max-width: 768px) {
    .hero {
        padding: var(--section-padding-mobile);
    }
    
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .hero-image {
        order: -1;
    }
    
    .hero-badge {
        font-size: 12px;
        padding: 6px 12px;
    }
    
    .hero-benefits {
        grid-template-columns: 1fr;
    }
    
    .trust-badges {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }
}

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

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.feature-card {
    text-align: center;
    padding: 40px 24px;
    background: var(--gray-50);
    border-radius: 16px;
    transition: var(--transition);
    border: 2px solid transparent;
}

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

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
}

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

.feature-card h3 {
    font-size: 20px;
    margin-bottom: 12px;
    color: var(--gray-900);
}

.feature-card p {
    font-size: 14px;
    color: var(--gray-600);
}

@media (max-width: 768px) {
    .why-choose {
        padding: var(--section-padding-mobile);
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
}

@media (max-width: 576px) {
    .features-grid {
        grid-template-columns: 1fr;
    }
}

/* ===================================
   DISCOVER WHY
   =================================== */
.discover-why {
    padding: var(--section-padding);
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--white) 50%, var(--gray-50) 100%);
}

.discover-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.discover-card {
    padding: 32px;
    background: var(--white);
    border-radius: 16px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.discover-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg, var(--primary), var(--secondary));
    transform: scaleY(0);
    transition: var(--transition);
}

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

.discover-card:hover::before {
    transform: scaleY(1);
}

.discover-number {
    font-family: var(--font-display);
    font-size: 48px;
    font-weight: 800;
    color: var(--primary-light);
    opacity: 0.3;
    margin-bottom: 16px;
}

.discover-card h3 {
    font-size: 22px;
    margin-bottom: 16px;
    color: var(--gray-900);
}

.discover-card p {
    font-size: 15px;
    line-height: 1.7;
    color: var(--gray-600);
}

@media (max-width: 768px) {
    .discover-why {
        padding: var(--section-padding-mobile);
    }
    
    .discover-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
}

/* ===================================
   WHAT IS TRIMOLOGY
   =================================== */
.what-is {
    padding: var(--section-padding);
    background: var(--white);
}

.what-is-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.what-is-text p {
    margin-bottom: 1.5rem;
    font-size: 16px;
    line-height: 1.8;
}

.what-is-image {
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

@media (max-width: 768px) {
    .what-is {
        padding: var(--section-padding-mobile);
    }
    
    .what-is-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .what-is-image {
        order: -1;
    }
}

/* ===================================
   HOW IT WORKS
   =================================== */
.how-it-works {
    padding: var(--section-padding);
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: var(--white);
}

.how-it-works .section-title {
    color: var(--white);
}

.how-it-works .section-title::after {
    background: var(--white);
}

.how-it-works-intro {
    text-align: center;
    max-width: 900px;
    margin: 0 auto 3rem;
    color: rgba(255, 255, 255, 0.95);
    font-size: 16px;
    line-height: 1.7;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.step-card {
    padding: 32px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: var(--transition);
}

.step-card:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-5px);
}

.step-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
}

.step-icon svg {
    color: var(--white);
}

.step-card h3 {
    color: var(--white);
    font-size: 20px;
    margin-bottom: 12px;
    text-align: center;
}

.step-card p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 14px;
    text-align: center;
}

@media (max-width: 768px) {
    .how-it-works {
        padding: var(--section-padding-mobile);
    }
    
    .steps-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
}

/* ===================================
   REVIEWS
   =================================== */
.reviews {
    padding: var(--section-padding);
    background: var(--gray-50);
}

.reviews-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
    margin-bottom: 3rem;
}

.review-card {
    padding: 32px;
    background: var(--white);
    border-radius: 16px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    opacity: 0;
    transform: translateY(20px);
}

.review-card.fade-in-visible {
    opacity: 1;
    transform: translateY(0);
}

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

.review-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 16px;
}

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

.review-info h3 {
    font-size: 18px;
    margin-bottom: 4px;
}

.review-location {
    font-size: 13px;
    color: var(--gray-500);
    margin-bottom: 8px;
}

.review-stars {
    color: var(--accent);
    font-size: 18px;
    letter-spacing: 2px;
}

.review-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background: var(--primary-light);
    color: var(--white);
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 16px;
}

.review-text {
    font-size: 15px;
    line-height: 1.7;
    color: var(--gray-600);
    font-style: italic;
}

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

.reviews-summary img {
    max-width: 200px;
    margin: 0 auto 12px;
}

.reviews-summary p {
    font-size: 16px;
    font-weight: 600;
    color: var(--gray-700);
}

@media (max-width: 768px) {
    .reviews {
        padding: var(--section-padding-mobile);
    }
    
    .reviews-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
}

/* ===================================
   RESEARCH BACKED
   =================================== */
.research-backed {
    padding: var(--section-padding);
    background: var(--white);
}

.research-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.research-content p {
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 2rem;
}

.research-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin: 3rem 0;
}

.research-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px;
    background: var(--gray-50);
    border-radius: 12px;
    transition: var(--transition);
}

.research-item:hover {
    background: var(--primary-light);
    color: var(--white);
}

.research-item svg {
    color: var(--primary);
    flex-shrink: 0;
}

.research-item:hover svg {
    color: var(--white);
}

.research-item span {
    font-size: 15px;
    font-weight: 500;
    text-align: left;
}

@media (max-width: 768px) {
    .research-backed {
        padding: var(--section-padding-mobile);
    }
    
    .research-features {
        grid-template-columns: 1fr;
    }
}

/* ===================================
   PRICING
   =================================== */
.pricing {
    padding: var(--section-padding);
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--white) 100%);
}

.pricing-subtitle {
    text-align: center;
    font-size: 18px;
    color: var(--gray-600);
    margin-bottom: 2rem;
}

.countdown-timer {
    max-width: 500px;
    margin: 0 auto 3rem;
    padding: 24px;
    background: var(--accent);
    border-radius: 16px;
    text-align: center;
    box-shadow: var(--shadow-lg);
}

.timer-text {
    color: var(--white);
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 12px;
}

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

.timer-unit {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 16px 24px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    backdrop-filter: blur(10px);
}

.timer-unit span:first-child {
    font-family: var(--font-display);
    font-size: 48px;
    font-weight: 800;
    color: var(--white);
    line-height: 1;
}

.timer-label {
    font-size: 12px;
    color: var(--white);
    margin-top: 4px;
    font-weight: 600;
}

.timer-separator {
    font-size: 48px;
    font-weight: 800;
    color: var(--white);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 3rem;
}

.pricing-card {
    padding: 32px 24px;
    background: var(--white);
    border-radius: 20px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    text-align: center;
    position: relative;
    border: 3px solid transparent;
}

.pricing-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-light);
}

.pricing-card-featured {
    border-color: var(--primary);
    box-shadow: var(--shadow-lg);
    transform: scale(1.05);
}

.pricing-card-featured:hover {
    transform: scale(1.08) translateY(-8px);
}

.pricing-popular {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent);
    color: var(--white);
    padding: 6px 20px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 700;
    box-shadow: var(--shadow-md);
}

.pricing-label {
    font-size: 16px;
    font-weight: 700;
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 8px;
}

.pricing-bottles {
    font-family: var(--font-display);
    font-size: 28px;
    font-weight: 800;
    color: var(--gray-900);
    margin-bottom: 4px;
}

.pricing-supply {
    font-size: 14px;
    color: var(--gray-500);
    margin-bottom: 20px;
}

.pricing-image {
    max-width: 200px;
    margin: 0 auto 20px;
}

.pricing-per-bottle {
    font-family: var(--font-display);
    font-size: 42px;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 8px;
}

.pricing-per-bottle span {
    font-size: 18px;
    color: var(--gray-500);
}

.pricing-total {
    margin-bottom: 16px;
}

.pricing-old {
    font-size: 18px;
    color: var(--gray-400);
    text-decoration: line-through;
    margin-right: 8px;
}

.pricing-new {
    font-family: var(--font-display);
    font-size: 32px;
    font-weight: 800;
    color: var(--gray-900);
}

.pricing-badges {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 20px;
}

.badge {
    padding: 6px 16px;
    background: var(--primary-light);
    color: var(--white);
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.pricing-button-featured {
    background: linear-gradient(135deg, var(--accent), var(--accent-dark));
}

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

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

@media (max-width: 768px) {
    .pricing {
        padding: var(--section-padding-mobile);
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-card-featured {
        transform: scale(1);
    }
    
    .pricing-card-featured:hover {
        transform: translateY(-8px);
    }
    
    .timer-unit span:first-child {
        font-size: 36px;
    }
}

/* ===================================
   INGREDIENTS
   =================================== */
.ingredients {
    padding: var(--section-padding);
    background: var(--white);
}

.ingredients-intro {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 3rem;
    font-size: 16px;
    line-height: 1.7;
}

.ingredients-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.ingredient-card {
    padding: 32px;
    background: var(--gray-50);
    border-radius: 16px;
    transition: var(--transition);
    border: 2px solid transparent;
}

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

.ingredient-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.ingredient-card h3 {
    font-size: 22px;
    margin-bottom: 12px;
    color: var(--gray-900);
}

.ingredient-card p {
    font-size: 15px;
    line-height: 1.7;
    color: var(--gray-600);
}

@media (max-width: 768px) {
    .ingredients {
        padding: var(--section-padding-mobile);
    }
    
    .ingredients-grid {
        grid-template-columns: 1fr;
    }
}

/* ===================================
   SCIENTIFIC EVIDENCE
   =================================== */
.scientific-evidence {
    padding: var(--section-padding);
    background: var(--gray-50);
}

.evidence-intro {
    text-align: center;
    max-width: 900px;
    margin: 0 auto 3rem;
    font-size: 16px;
    line-height: 1.8;
}

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

.accordion-item {
    margin-bottom: 16px;
    background: var(--white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.accordion-header {
    width: 100%;
    padding: 20px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--white);
    border: none;
    cursor: pointer;
    font-size: 18px;
    font-weight: 600;
    color: var(--gray-900);
    transition: var(--transition);
    min-height: 60px;
}

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

.accordion-header svg {
    transition: var(--transition);
    flex-shrink: 0;
}

.accordion-item.active .accordion-header svg {
    transform: rotate(180deg);
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.accordion-content p {
    padding: 0 24px 24px;
    font-size: 15px;
    line-height: 1.8;
    color: var(--gray-600);
}

@media (max-width: 768px) {
    .scientific-evidence {
        padding: var(--section-padding-mobile);
    }
    
    .accordion-header {
        font-size: 16px;
        padding: 16px 20px;
    }
}

/* ===================================
   GUARANTEE
   =================================== */
.guarantee {
    padding: var(--section-padding);
    background: var(--white);
}

.guarantee-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

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

.guarantee-image img {
    max-width: 400px;
    margin: 0 auto;
    filter: drop-shadow(0 10px 30px rgba(0, 0, 0, 0.1));
}

.guarantee-card {
    padding: 24px;
    background: var(--gray-50);
    border-radius: 16px;
    margin-bottom: 24px;
    transition: var(--transition);
}

.guarantee-card:hover {
    background: var(--white);
    box-shadow: var(--shadow-md);
    transform: translateX(5px);
}

.guarantee-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary);
    border-radius: 50%;
    margin-bottom: 16px;
}

.guarantee-icon svg {
    color: var(--white);
}

.guarantee-card h3 {
    font-size: 20px;
    margin-bottom: 12px;
    color: var(--gray-900);
}

.guarantee-card p {
    font-size: 15px;
    line-height: 1.7;
    color: var(--gray-600);
}

@media (max-width: 768px) {
    .guarantee {
        padding: var(--section-padding-mobile);
    }
    
    .guarantee-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .guarantee-image {
        order: -1;
    }
}

/* ===================================
   BENEFITS
   =================================== */
.benefits {
    padding: var(--section-padding);
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--white) 100%);
}

.benefits-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.benefits-text {
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.benefits-image {
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

@media (max-width: 768px) {
    .benefits {
        padding: var(--section-padding-mobile);
    }
    
    .benefits-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

/* ===================================
   PROS & CONS
   =================================== */
.pros-cons {
    padding: var(--section-padding);
    background: var(--white);
}

.pros-cons-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    max-width: 1000px;
    margin: 0 auto;
}

.pros-title, .cons-title {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 26px;
    margin-bottom: 24px;
}

.pros-title svg {
    color: var(--primary);
}

.cons-title svg {
    color: #EF4444;
}

.pros-list li, .cons-list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 16px;
    padding: 12px;
    background: var(--gray-50);
    border-radius: 8px;
    transition: var(--transition);
}

.pros-list li:hover, .cons-list li:hover {
    background: var(--white);
    box-shadow: var(--shadow);
}

.pros-list li svg {
    color: var(--primary);
    flex-shrink: 0;
    margin-top: 2px;
}

.cons-list li svg {
    color: #EF4444;
    flex-shrink: 0;
    margin-top: 2px;
}

.pros-list li span, .cons-list li span {
    font-size: 15px;
    line-height: 1.6;
    color: var(--gray-700);
}

@media (max-width: 768px) {
    .pros-cons {
        padding: var(--section-padding-mobile);
    }
    
    .pros-cons-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}

/* ===================================
   WHERE TO BUY
   =================================== */
.where-to-buy {
    padding: var(--section-padding);
    background: var(--gray-50);
}

.where-to-buy-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.where-to-buy-content p {
    font-size: 16px;
    line-height: 1.8;
}

@media (max-width: 768px) {
    .where-to-buy {
        padding: var(--section-padding-mobile);
    }
}

/* ===================================
   BUY PROCESS
   =================================== */
.buy-process {
    padding: var(--section-padding);
    background: var(--white);
}

.buy-process-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: flex-start;
}

.buy-process-text p {
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.buy-steps {
    margin: 3rem 0;
}

.buy-step {
    display: flex;
    gap: 20px;
    margin-bottom: 32px;
}

.step-number {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: var(--white);
    border-radius: 50%;
    font-family: var(--font-display);
    font-size: 22px;
    font-weight: 800;
    flex-shrink: 0;
}

.step-content h3 {
    font-size: 20px;
    margin-bottom: 12px;
}

.step-content ul {
    list-style: disc;
    padding-left: 20px;
}

.step-content li {
    font-size: 15px;
    color: var(--gray-600);
    margin-bottom: 8px;
}

.security-badges {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-top: 2rem;
}

.security-badge {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    background: var(--gray-50);
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
}

.security-badge svg {
    color: var(--primary);
    flex-shrink: 0;
}

.buy-process-image {
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    position: sticky;
    top: 100px;
}

@media (max-width: 768px) {
    .buy-process {
        padding: var(--section-padding-mobile);
    }
    
    .buy-process-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .security-badges {
        grid-template-columns: 1fr;
    }
    
    .buy-process-image {
        position: static;
    }
}

/* ===================================
   FAQ
   =================================== */
.faq {
    padding: var(--section-padding);
    background: var(--gray-50);
}

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

.faq-item {
    margin-bottom: 16px;
    background: var(--white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.faq-question {
    width: 100%;
    padding: 20px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--white);
    border: none;
    cursor: pointer;
    font-size: 18px;
    font-weight: 600;
    color: var(--gray-900);
    transition: var(--transition);
    text-align: left;
    min-height: 60px;
}

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

.faq-question svg {
    transition: var(--transition);
    flex-shrink: 0;
}

.faq-item.active .faq-question svg {
    transform: rotate(180deg);
    color: var(--primary);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.faq-answer p {
    padding: 0 24px 24px;
    font-size: 15px;
    line-height: 1.8;
    color: var(--gray-600);
}

@media (max-width: 768px) {
    .faq {
        padding: var(--section-padding-mobile);
    }
    
    .faq-question {
        font-size: 16px;
        padding: 16px 20px;
    }
}

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

.final-cta-content {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
}

.final-cta-image {
    max-width: 300px;
    margin: 0 auto 32px;
    filter: drop-shadow(0 10px 30px rgba(0, 0, 0, 0.3));
}

.final-cta h2 {
    color: var(--white);
    margin-bottom: 24px;
}

.final-cta-pricing {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 32px;
}

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

.final-cta-new-price {
    font-family: var(--font-display);
    font-size: 48px;
    font-weight: 800;
    color: var(--white);
}

.final-cta-button {
    background: var(--accent);
    font-size: 20px;
    padding: 18px 40px;
    margin-bottom: 32px;
}

.final-cta-button:hover {
    background: var(--accent-dark);
}

.final-cta-trust {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.trust-point {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border-radius: 8px;
    font-size: 14px;
    text-align: left;
}

.trust-point svg {
    flex-shrink: 0;
}

@media (max-width: 768px) {
    .final-cta {
        padding: var(--section-padding-mobile);
    }
    
    .final-cta-trust {
        grid-template-columns: 1fr;
    }
}

/* ===================================
   FOOTER
   =================================== */
.footer {
    padding: 60px 20px 30px;
    background: var(--gray-900);
    color: var(--gray-300);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-bottom: 40px;
}

.footer-column h3 {
    color: var(--white);
    font-size: 18px;
    margin-bottom: 16px;
}

.footer-column ul li {
    margin-bottom: 12px;
}

.footer-column ul li a {
    color: var(--gray-400);
    transition: var(--transition);
}

.footer-column ul li a:hover {
    color: var(--primary);
}

.footer-column p {
    font-size: 13px;
    line-height: 1.6;
    color: var(--gray-400);
}

.social-links {
    display: flex;
    gap: 12px;
}

.social-links a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gray-800);
    border-radius: 50%;
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--primary);
    transform: translateY(-2px);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid var(--gray-800);
}

.footer-bottom p {
    font-size: 14px;
    color: var(--gray-500);
}

@media (max-width: 768px) {
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}

/* ===================================
   PURCHASE NOTIFICATION POPUP
   =================================== */
.purchase-popup {
    position: fixed;
    bottom: -200px;
    left: 20px;
    max-width: 350px;
    background: var(--white);
    border-radius: 12px;
    box-shadow: var(--shadow-xl);
    z-index: 9999;
    transition: var(--transition-slow);
}

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

.popup-content {
    padding: 20px;
    position: relative;
}

.popup-close {
    position: absolute;
    top: 10px;
    right: 10px;
    font-size: 24px;
    color: var(--gray-400);
    cursor: pointer;
    transition: var(--transition);
}

.popup-close:hover {
    color: var(--gray-700);
}

.popup-icon {
    font-size: 36px;
    margin-bottom: 12px;
}

.popup-text {
    font-size: 14px;
    color: var(--gray-700);
    margin-bottom: 8px;
}

.popup-time {
    font-size: 12px;
    color: var(--gray-500);
}

@media (max-width: 576px) {
    .purchase-popup {
        left: 10px;
        right: 10px;
        max-width: calc(100% - 20px);
    }
}

/* ===================================
   SCROLL TO TOP BUTTON
   =================================== */
.scroll-top-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: var(--white);
    border-radius: 50%;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
}

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

.scroll-top-btn:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
}

@media (max-width: 576px) {
    .scroll-top-btn {
        bottom: 20px;
        right: 20px;
        width: 45px;
        height: 45px;
    }
}

/* ===================================
   FADE-IN ANIMATIONS
   =================================== */
.fade-in-element {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in-visible {
    opacity: 1;
    transform: translateY(0);
}

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

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

/* ===================================
   RESPONSIVE HELPERS
   =================================== */
@media (max-width: 480px) {
    html {
        font-size: 14px;
    }
    
    h1 {
        font-size: 28px;
    }
    
    h2 {
        font-size: 24px;
    }
    
    h3 {
        font-size: 20px;
    }
}

/* ===================================
   PRINT STYLES
   =================================== */
@media print {
    .main-nav,
    .purchase-popup,
    .scroll-top-btn,
    .pricing,
    .final-cta {
        display: none;
    }
}