/* ==========================================
   ALPHACUR LANDING PAGE - STYLES
   Mobile-First Responsive Design
   Medical Professional Theme
   ========================================== */

/* ==========================================
   CSS VARIABLES
   ========================================== */
:root {
    /* Colors - Medical Professional Theme */
    --primary-color: #1E40AF;
    --primary-light: #3B82F6;
    --primary-dark: #1E3A8A;
    --secondary-color: #10B981;
    --secondary-light: #34D399;
    --accent-color: #F59E0B;
    --text-dark: #1F2937;
    --text-medium: #4B5563;
    --text-light: #6B7280;
    --bg-light: #F9FAFB;
    --bg-white: #FFFFFF;
    --border-color: #E5E7EB;
    --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);
    
    /* Typography */
    --font-heading: 'Poppins', sans-serif;
    --font-body: 'Open Sans', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* ==========================================
   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);
    color: var(--text-dark);
    background-color: var(--bg-white);
    line-height: 1.7;
    overflow-x: hidden;
}

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

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

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

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

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

@media (min-width: 768px) {
    .container {
        padding-left: 30px;
        padding-right: 30px;
    }
}

@media (min-width: 1024px) {
    .container {
        padding-left: 40px;
        padding-right: 40px;
    }
}

/* ==========================================
   BUTTONS
   ========================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 14px 28px;
    min-height: 48px;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1rem;
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    cursor: pointer;
    text-align: center;
    border: none;
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: var(--bg-white);
    box-shadow: var(--shadow-md);
}

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

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

.btn-hero {
    background: linear-gradient(135deg, var(--secondary-color), var(--secondary-light));
    color: var(--bg-white);
    padding: 16px 32px;
    font-size: 1.125rem;
    box-shadow: var(--shadow-lg);
    width: 100%;
}

@media (min-width: 576px) {
    .btn-hero {
        width: auto;
    }
}

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

.btn-pricing {
    background: linear-gradient(135deg, var(--accent-color), #F97316);
    color: var(--bg-white);
    width: 100%;
    font-size: 1.125rem;
    padding: 16px 24px;
}

.btn-pricing:hover {
    transform: scale(1.02);
    box-shadow: var(--shadow-lg);
}

.btn-final-cta {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: var(--bg-white);
    padding: 18px 36px;
    font-size: 1.25rem;
    box-shadow: var(--shadow-xl);
    width: 100%;
}

@media (min-width: 576px) {
    .btn-final-cta {
        width: auto;
    }
}

.btn-popup {
    background: var(--secondary-color);
    color: var(--bg-white);
    width: 100%;
    padding: 14px 28px;
}

.btn-popup:hover {
    background: var(--secondary-light);
}

/* ==========================================
   NAVIGATION
   ========================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--bg-white);
    box-shadow: var(--shadow-md);
    z-index: 1000;
    transition: all var(--transition-base);
}

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

.nav-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--primary-color);
}

.logo-icon {
    font-size: 1.75rem;
}

.nav-menu {
    display: none;
    align-items: center;
    gap: 2rem;
}

@media (min-width: 768px) {
    .nav-menu {
        display: flex;
    }
}

.nav-link {
    font-family: var(--font-heading);
    font-weight: 500;
    color: var(--text-medium);
    transition: color var(--transition-base);
}

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

.nav-cta {
    padding: 10px 20px;
    min-height: 44px;
}

/* Hamburger Menu */
.hamburger {
    display: flex;
    flex-direction: column;
    gap: 5px;
    width: 30px;
    height: 30px;
    justify-content: center;
    z-index: 1001;
}

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

.hamburger span {
    display: block;
    width: 100%;
    height: 3px;
    background: var(--primary-color);
    border-radius: 2px;
    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);
}

/* Mobile Menu */
.nav-menu.mobile-active {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 70px;
    right: 0;
    background: var(--bg-white);
    width: 80%;
    max-width: 300px;
    height: calc(100vh - 70px);
    padding: 2rem;
    box-shadow: var(--shadow-xl);
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* ==========================================
   HERO SECTION
   ========================================== */
.hero {
    position: relative;
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #EFF6FF 0%, #DBEAFE 100%);
    overflow: hidden;
}

@media (min-width: 768px) {
    .hero {
        padding: 140px 0 100px;
    }
}

.hero-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    pointer-events: none;
}

.hero-particles::before,
.hero-particles::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    background: rgba(59, 130, 246, 0.1);
    animation: float 15s infinite ease-in-out;
}

.hero-particles::before {
    width: 300px;
    height: 300px;
    top: -100px;
    right: -100px;
    animation-delay: 0s;
}

.hero-particles::after {
    width: 400px;
    height: 400px;
    bottom: -150px;
    left: -150px;
    animation-delay: 2s;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    50% {
        transform: translate(30px, -30px) scale(1.1);
    }
}

.hero-grid {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    align-items: center;
}

@media (min-width: 768px) {
    .hero-grid {
        flex-direction: row;
        gap: 3rem;
    }
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
    order: 1;
}

@media (min-width: 768px) {
    .hero-image {
        order: 1;
    }
}

.product-showcase {
    position: relative;
    animation: heroImageFloat 3s ease-in-out infinite;
}

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

.glow-effect {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 120%;
    height: 120%;
    background: radial-gradient(circle, rgba(16, 185, 129, 0.3) 0%, transparent 70%);
    animation: pulse 2s ease-in-out infinite;
    border-radius: 50%;
}

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

.product-bottle {
    position: relative;
    z-index: 1;
    max-width: 300px;
    filter: drop-shadow(0 10px 30px rgba(0, 0, 0, 0.2));
}

@media (min-width: 768px) {
    .product-bottle {
        max-width: 400px;
    }
}

.hero-content {
    flex: 1;
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards;
    animation-delay: 0.3s;
    order: 2;
}

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

.hero-title {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 800;
    line-height: 1.2;
    color: var(--text-dark);
    margin-bottom: 1.5rem;
}

@media (min-width: 576px) {
    .hero-title {
        font-size: 2.5rem;
    }
}

@media (min-width: 768px) {
    .hero-title {
        font-size: 3rem;
    }
}

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

.hero-description {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--text-medium);
    margin-bottom: 1rem;
}

@media (min-width: 768px) {
    .hero-description {
        font-size: 1.125rem;
    }
}

/* ==========================================
   SECTION TITLES
   ========================================== */
.section-title {
    font-family: var(--font-heading);
    font-size: 1.875rem;
    font-weight: 700;
    text-align: center;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

@media (min-width: 768px) {
    .section-title {
        font-size: 2.5rem;
        margin-bottom: 1.5rem;
    }
}

.section-subtitle {
    text-align: center;
    font-size: 1.125rem;
    color: var(--text-medium);
    margin-bottom: 2rem;
}

/* ==========================================
   WHY CHOOSE US SECTION
   ========================================== */
.why-choose {
    padding: 60px 0;
    background: var(--bg-white);
}

@media (min-width: 768px) {
    .why-choose {
        padding: 80px 0;
    }
}

.badges-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin-top: 3rem;
}

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

@media (min-width: 992px) {
    .badges-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 2rem;
    }
}

.badge-card {
    background: var(--bg-white);
    padding: 2rem 1.5rem;
    border-radius: var(--radius-xl);
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    opacity: 0;
    transform: translateY(30px);
}

.badge-card[data-animate].animate {
    opacity: 1;
    transform: translateY(0);
    animation: slideUp 0.6s ease forwards;
}

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

.badge-card:nth-child(1) { animation-delay: 0.1s; }
.badge-card:nth-child(2) { animation-delay: 0.2s; }
.badge-card:nth-child(3) { animation-delay: 0.3s; }
.badge-card:nth-child(4) { animation-delay: 0.4s; }

.badge-card:hover {
    transform: translateY(-5px) rotate(2deg) scale(1.05);
    box-shadow: var(--shadow-xl);
}

.badge-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1rem;
    object-fit: contain;
}

.badge-title {
    font-family: var(--font-heading);
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 0.75rem;
}

.badge-description {
    font-size: 0.875rem;
    line-height: 1.6;
    color: var(--text-medium);
}

/* ==========================================
   WHAT IS ALPHACUR SECTION
   ========================================== */
.what-is {
    padding: 60px 0;
    background: var(--bg-light);
}

@media (min-width: 768px) {
    .what-is {
        padding: 80px 0;
    }
}

.content-grid {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    align-items: center;
}

@media (min-width: 768px) {
    .content-grid {
        flex-direction: row;
        gap: 3rem;
    }
}

.content-text {
    flex: 1;
}

.content-paragraph {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--text-medium);
    margin-bottom: 1rem;
}

.content-image {
    flex: 1;
    display: flex;
    justify-content: center;
}

.feature-img {
    max-width: 100%;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

/* ==========================================
   HOW IT WORKS SECTION
   ========================================== */
.how-it-works {
    padding: 60px 0;
    background: var(--bg-white);
}

@media (min-width: 768px) {
    .how-it-works {
        padding: 80px 0;
    }
}

.accordion {
    max-width: 900px;
    margin: 3rem auto 0;
}

.accordion-item {
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    margin-bottom: 1rem;
    overflow: hidden;
    transition: all var(--transition-base);
}

.accordion-item:hover {
    box-shadow: var(--shadow-md);
}

.accordion-header {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 1.5rem;
    background: var(--bg-light);
    cursor: pointer;
    transition: all var(--transition-base);
    min-height: 44px;
}

.accordion-header:hover {
    background: #E0F2FE;
}

.accordion-header h3 {
    font-family: var(--font-heading);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-dark);
    text-align: left;
}

.accordion-icon {
    flex-shrink: 0;
    transition: transform var(--transition-base);
    color: var(--primary-color);
}

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

.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: 1.5rem;
    font-size: 1rem;
    line-height: 1.7;
    color: var(--text-medium);
}

/* ==========================================
   REVIEWS SECTION
   ========================================== */
.reviews {
    padding: 60px 0;
    background: linear-gradient(135deg, #F0FDF4 0%, #DCFCE7 100%);
}

@media (min-width: 768px) {
    .reviews {
        padding: 80px 0;
    }
}

.reviews-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    margin-top: 3rem;
}

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

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

.review-card {
    background: var(--bg-white);
    padding: 2rem;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    opacity: 0;
    transform: translateY(30px);
}

.review-card[data-review-animate].animate {
    opacity: 1;
    transform: translateY(0);
}

.review-card:nth-child(1) {
    animation: slideInLeft 0.8s ease forwards;
}

.review-card:nth-child(2) {
    animation: slideInUp 0.8s ease forwards 0.2s;
}

.review-card:nth-child(3) {
    animation: slideInRight 0.8s ease forwards 0.4s;
}

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

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

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

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

.review-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

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

.reviewer-name {
    font-family: var(--font-heading);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.25rem;
}

.reviewer-location {
    font-size: 0.875rem;
    color: var(--text-light);
}

.rating {
    margin-bottom: 1rem;
    font-size: 1.25rem;
}

.review-text {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--text-medium);
}

/* ==========================================
   PRICING SECTION
   ========================================== */
.pricing {
    padding: 60px 0;
    background: var(--bg-white);
}

@media (min-width: 768px) {
    .pricing {
        padding: 80px 0;
    }
}

.pricing-second {
    background: var(--bg-light);
}

.countdown-timer {
    max-width: 500px;
    margin: 2rem auto 3rem;
    text-align: center;
    background: linear-gradient(135deg, #FEE2E2 0%, #FEF3C7 100%);
    padding: 1.5rem;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
}

.timer-label {
    font-family: var(--font-heading);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.timer-display {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
}

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

.timer-value {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

@media (min-width: 576px) {
    .timer-value {
        font-size: 3rem;
    }
}

.timer-label-small {
    font-size: 0.875rem;
    color: var(--text-medium);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.timer-separator {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.pricing-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    margin-top: 3rem;
}

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

@media (min-width: 992px) {
    .pricing-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 2rem;
    }
}

.pricing-card {
    background: var(--bg-white);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 2rem 1.5rem;
    text-align: center;
    transition: all var(--transition-base);
    position: relative;
}

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

.pricing-card.featured {
    border-color: var(--secondary-color);
    background: linear-gradient(135deg, #F0FDF4 0%, #ECFDF5 100%);
    transform: scale(1);
}

@media (min-width: 992px) {
    .pricing-card.featured {
        transform: scale(1.05);
    }
}

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

.popular-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--secondary-color);
    color: var(--bg-white);
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    font-family: var(--font-heading);
    font-size: 0.875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    box-shadow: var(--shadow-md);
}

.pricing-label {
    display: inline-block;
    background: var(--primary-light);
    color: var(--bg-white);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md);
    font-family: var(--font-heading);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.pricing-package {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.pricing-supply {
    font-size: 1rem;
    color: var(--text-medium);
    margin-bottom: 1.5rem;
}

.pricing-image {
    max-width: 200px;
    margin: 0 auto 1.5rem;
}

.pricing-price {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.pricing-price span {
    font-size: 1.25rem;
    color: var(--text-medium);
}

.pricing-total {
    margin-bottom: 1rem;
}

.old-price {
    font-size: 1.25rem;
    color: var(--text-light);
    text-decoration: line-through;
    margin-right: 0.5rem;
}

.new-price {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--secondary-color);
}

.bonus-badges {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin: 1rem 0;
}

.bonus-badge {
    background: linear-gradient(135deg, var(--accent-color), #F97316);
    color: var(--bg-white);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.payment-logos {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

.payment-logos img {
    max-width: 200px;
    margin: 0 auto;
}

.rating-section {
    text-align: center;
    margin-top: 3rem;
}

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

/* ==========================================
   BONUS SECTION
   ========================================== */
.bonuses {
    padding: 60px 0;
    background: linear-gradient(135deg, #FEF3C7 0%, #FDE68A 100%);
}

@media (min-width: 768px) {
    .bonuses {
        padding: 80px 0;
    }
}

.bonuses-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    margin-top: 3rem;
}

@media (min-width: 768px) {
    .bonuses-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 3rem;
    }
}

.bonus-card {
    background: var(--bg-white);
    padding: 2rem;
    border-radius: var(--radius-xl);
    text-align: center;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-base);
}

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

.bonus-image {
    max-width: 200px;
    margin: 0 auto 1.5rem;
    border-radius: var(--radius-lg);
}

.bonus-title {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.bonus-description {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--text-medium);
}

/* ==========================================
   INGREDIENTS SECTION
   ========================================== */
.ingredients {
    padding: 60px 0;
    background: var(--bg-light);
}

@media (min-width: 768px) {
    .ingredients {
        padding: 80px 0;
    }
}

.ingredients-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin-top: 3rem;
}

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

.ingredient-card {
    background: var(--bg-white);
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--primary-color);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

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

.ingredient-name {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.75rem;
}

.ingredient-description {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--text-medium);
    margin-bottom: 0.75rem;
}

.ingredient-benefits {
    font-size: 0.9375rem;
    line-height: 1.6;
    color: var(--text-dark);
}

/* ==========================================
   SCIENTIFIC EVIDENCE SECTION
   ========================================== */
.scientific-evidence {
    padding: 60px 0;
    background: var(--bg-white);
}

@media (min-width: 768px) {
    .scientific-evidence {
        padding: 80px 0;
    }
}

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

.evidence-intro {
    text-align: center;
    margin-bottom: 3rem;
}

.evidence-intro p {
    font-size: 1.125rem;
    line-height: 1.7;
    color: var(--text-medium);
}

.evidence-accordion {
    margin-top: 2rem;
}

.evidence-item {
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    margin-bottom: 1rem;
    overflow: hidden;
}

.evidence-header {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 1.5rem;
    background: var(--bg-light);
    cursor: pointer;
    transition: all var(--transition-base);
    min-height: 44px;
}

.evidence-header:hover {
    background: #E0F2FE;
}

.evidence-header h3 {
    font-family: var(--font-heading);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-dark);
    text-align: left;
}

.evidence-item.active .accordion-icon {
    transform: rotate(180deg);
}

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

.evidence-item.active .evidence-body {
    max-height: 500px;
}

.evidence-body p {
    padding: 1.5rem;
    font-size: 1rem;
    line-height: 1.8;
    color: var(--text-medium);
}

/* ==========================================
   GUARANTEE SECTION
   ========================================== */
.guarantee {
    padding: 60px 0;
    background: linear-gradient(135deg, #EFF6FF 0%, #DBEAFE 100%);
}

@media (min-width: 768px) {
    .guarantee {
        padding: 80px 0;
    }
}

.guarantee-grid {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    align-items: center;
    margin-top: 3rem;
}

@media (min-width: 768px) {
    .guarantee-grid {
        flex-direction: row;
        gap: 3rem;
    }
}

.guarantee-image {
    flex: 0 0 auto;
}

.guarantee-badge {
    max-width: 250px;
}

@media (min-width: 768px) {
    .guarantee-badge {
        max-width: 300px;
    }
}

.guarantee-content {
    flex: 1;
}

.guarantee-point {
    margin-bottom: 2rem;
}

.guarantee-point:last-child {
    margin-bottom: 0;
}

.guarantee-point h3 {
    font-family: var(--font-heading);
    font-size: 1.375rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.75rem;
}

.guarantee-point p {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--text-medium);
}

/* ==========================================
   BENEFITS SECTION
   ========================================== */
.benefits {
    padding: 60px 0;
    background: var(--bg-light);
}

@media (min-width: 768px) {
    .benefits {
        padding: 80px 0;
    }
}

.benefits-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin-top: 3rem;
}

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

@media (min-width: 992px) {
    .benefits-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 2rem;
    }
}

.benefit-item {
    background: var(--bg-white);
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    display: flex;
    gap: 1rem;
    align-items: flex-start;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

.benefit-item:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
}

.benefit-icon {
    flex-shrink: 0;
    color: var(--secondary-color);
}

.benefit-title {
    font-family: var(--font-heading);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.benefit-description {
    font-size: 0.9375rem;
    line-height: 1.6;
    color: var(--text-medium);
}

/* ==========================================
   FAQ SECTION
   ========================================== */
.faq {
    padding: 60px 0;
    background: var(--bg-white);
}

@media (min-width: 768px) {
    .faq {
        padding: 80px 0;
    }
}

.faq-accordion {
    max-width: 900px;
    margin: 3rem auto 0;
}

.faq-item {
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    margin-bottom: 1rem;
    overflow: hidden;
}

.faq-header {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 1.5rem;
    background: var(--bg-light);
    cursor: pointer;
    transition: all var(--transition-base);
    min-height: 44px;
}

.faq-header:hover {
    background: #E0F2FE;
}

.faq-header h3 {
    font-family: var(--font-heading);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-dark);
    text-align: left;
}

.faq-item.active .accordion-icon {
    transform: rotate(180deg);
}

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

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

.faq-content p {
    padding: 1.5rem;
    font-size: 1rem;
    line-height: 1.7;
    color: var(--text-medium);
}

/* ==========================================
   FINAL CTA SECTION
   ========================================== */
.final-cta {
    padding: 60px 0;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: var(--bg-white);
}

@media (min-width: 768px) {
    .final-cta {
        padding: 80px 0;
    }
}

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

.final-cta-image {
    max-width: 300px;
    margin: 0 auto 2rem;
    animation: float 3s ease-in-out infinite;
}

.final-cta-title {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 2rem;
    color: var(--bg-white);
}

@media (min-width: 768px) {
    .final-cta-title {
        font-size: 2.5rem;
    }
}

.final-cta-pricing {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.final-cta-regular {
    font-size: 1.25rem;
    opacity: 0.9;
}

.final-cta-regular del {
    color: var(--bg-white);
}

.final-cta-special {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 800;
    color: var(--accent-color);
}

@media (min-width: 576px) {
    .final-cta-special {
        font-size: 2.5rem;
    }
}

/* ==========================================
   FOOTER
   ========================================== */
.footer {
    background: var(--text-dark);
    color: var(--bg-white);
    padding: 3rem 0 1rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
}

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

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

@media (min-width: 576px) {
    .footer-column {
        text-align: left;
    }
}

.footer-title {
    font-family: var(--font-heading);
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

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

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    transition: color var(--transition-base);
}

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

.social-icons {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

@media (min-width: 576px) {
    .social-icons {
        justify-content: flex-start;
    }
}

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

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

.footer-disclaimer {
    text-align: center;
    padding: 2rem 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: 2rem;
}

.footer-disclaimer h4 {
    font-family: var(--font-heading);
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.footer-disclaimer p {
    font-size: 0.875rem;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.8);
}

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

.footer-copyright p {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.7);
}

/* ==========================================
   SCROLL TO TOP BUTTON
   ========================================== */
.scroll-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 56px;
    height: 56px;
    background: var(--primary-color);
    color: var(--bg-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-to-top.visible {
    opacity: 1;
    visibility: visible;
}

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

/* ==========================================
   POPUP MODAL
   ========================================== */
.popup {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    padding: 20px;
}

.popup.active {
    opacity: 1;
    visibility: visible;
}

.popup-content {
    background: var(--bg-white);
    padding: 2rem;
    border-radius: var(--radius-xl);
    max-width: 500px;
    width: 100%;
    position: relative;
    box-shadow: var(--shadow-xl);
    animation: popupSlideIn 0.3s ease;
}

@keyframes popupSlideIn {
    from {
        transform: scale(0.8);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

.popup-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--text-medium);
    background: var(--bg-light);
    border-radius: 50%;
    transition: all var(--transition-base);
}

.popup-close:hover {
    background: var(--primary-light);
    color: var(--bg-white);
}

.popup-title {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 1rem;
    text-align: center;
}

.popup-text {
    font-size: 1.125rem;
    line-height: 1.6;
    color: var(--text-medium);
    margin-bottom: 1.5rem;
    text-align: center;
}

/* ==========================================
   PURCHASE NOTIFICATION
   ========================================== */
.purchase-notification {
    position: fixed;
    bottom: 20px;
    left: 20px;
    background: var(--bg-white);
    padding: 1rem 1.5rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    max-width: 350px;
    transform: translateX(-400px);
    transition: transform var(--transition-base);
    z-index: 998;
}

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

@media (max-width: 576px) {
    .purchase-notification {
        left: 10px;
        right: 10px;
        max-width: none;
    }
}

.notification-content {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.notification-icon {
    width: 40px;
    height: 40px;
    background: var(--secondary-color);
    color: var(--bg-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.notification-text {
    font-size: 0.9375rem;
    line-height: 1.5;
    color: var(--text-dark);
}

.notification-name {
    font-weight: 600;
    color: var(--primary-color);
}

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

.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }

.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }

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