/* ================================================
   MAROBRAIN - MEDICAL PROFESSIONAL DESIGN
   Mobile-First Responsive CSS
   ================================================ */

/* ===== ROOT VARIABLES ===== */
:root {
    /* Medical Professional Color Palette */
    --primary-color: #1E40AF;
    --primary-light: #3B82F6;
    --primary-lighter: #93C5FD;
    --secondary-color: #0EA5E9;
    --accent-color: #10B981;
    --dark: #1F2937;
    --darker: #111827;
    --white: #FFFFFF;
    --light-bg: #F9FAFB;
    --border-color: #E5E7EB;
    --text-dark: #1F2937;
    --text-light: #6B7280;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    
    /* Typography */
    --font-primary: 'Inter', sans-serif;
    --font-display: 'Playfair Display', serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    
    /* Transitions */
    --transition: all 0.3s 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-primary);
    color: var(--text-dark);
    background-color: var(--white);
    line-height: 1.7;
    overflow-x: hidden;
}

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

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

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

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

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

@media (min-width: 768px) {
    .container {
        padding: 0 30px;
    }
}

@media (min-width: 1024px) {
    .container {
        padding: 0 40px;
    }
}

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

h1 {
    font-size: 28px;
}

h2 {
    font-size: 24px;
}

h3 {
    font-size: 20px;
}

p {
    line-height: 1.7;
    margin-bottom: 1rem;
}

@media (min-width: 768px) {
    h1 {
        font-size: 36px;
    }
    
    h2 {
        font-size: 30px;
    }
    
    h3 {
        font-size: 24px;
    }
}

@media (min-width: 1024px) {
    h1 {
        font-size: 44px;
    }
    
    h2 {
        font-size: 36px;
    }
    
    h3 {
        font-size: 28px;
    }
}

/* ===== SECTION STYLES ===== */
section {
    padding: 60px 0;
}

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

@media (min-width: 1024px) {
    section {
        padding: 100px 0;
    }
}

.section-title {
    text-align: center;
    font-size: 28px;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.section-subtitle {
    text-align: center;
    font-size: 16px;
    color: var(--text-light);
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

@media (min-width: 768px) {
    .section-title {
        font-size: 36px;
    }
    
    .section-subtitle {
        font-size: 18px;
    }
}

/* ===== NAVIGATION ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: var(--white);
    box-shadow: var(--shadow);
    z-index: 1000;
    transition: var(--transition);
}

.navbar.scrolled {
    box-shadow: var(--shadow-lg);
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 24px;
    font-weight: 800;
    color: var(--primary-color);
}

.logo i {
    font-size: 28px;
}

.nav-links {
    display: none;
    list-style: none;
    gap: 30px;
    align-items: center;
}

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

.nav-link {
    font-weight: 500;
    color: var(--text-dark);
    position: relative;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width 0.3s ease;
}

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

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

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

/* Hamburger Menu */
.hamburger {
    display: flex;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

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

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

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

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

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

/* Mobile Menu */
@media (max-width: 767px) {
    .nav-links {
        display: flex;
        flex-direction: column;
        position: fixed;
        top: 65px;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: calc(100vh - 65px);
        background: var(--white);
        box-shadow: var(--shadow-lg);
        padding: 30px;
        transition: right 0.3s ease;
        align-items: flex-start;
    }
    
    .nav-links.active {
        right: 0;
    }
}

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

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 6s ease-in-out infinite;
}

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

.hero-wrapper {
    display: flex;
    flex-direction: column;
    gap: 40px;
    align-items: center;
}

@media (min-width: 1024px) {
    .hero-wrapper {
        flex-direction: row;
        gap: 60px;
    }
}

.hero-image {
    flex: 1;
    position: relative;
    max-width: 500px;
}

.product-bottle {
    width: 100%;
    height: auto;
    animation: bottleFloat 3s ease-in-out infinite;
    filter: drop-shadow(0 20px 40px rgba(30, 64, 175, 0.2));
}

@keyframes bottleFloat {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
    }
    50% {
        transform: translateY(-15px) rotate(2deg);
    }
}

.floating-badge {
    position: absolute;
    background: var(--white);
    padding: 10px 16px;
    border-radius: 50px;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 600;
    animation: badgePulse 2s ease-in-out infinite;
}

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

.floating-badge i {
    color: var(--accent-color);
    font-size: 18px;
}

.badge-1 {
    top: 10%;
    left: -5%;
    animation-delay: 0s;
}

.badge-2 {
    top: 50%;
    right: -5%;
    animation-delay: 0.5s;
}

.badge-3 {
    bottom: 10%;
    left: 5%;
    animation-delay: 1s;
}

@media (max-width: 767px) {
    .floating-badge {
        font-size: 12px;
        padding: 8px 12px;
    }
}

.hero-content {
    flex: 1;
    animation: fadeInUp 1s ease;
}

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

.hero-title {
    font-size: 32px;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    color: var(--darker);
}

@media (min-width: 768px) {
    .hero-title {
        font-size: 42px;
    }
}

@media (min-width: 1024px) {
    .hero-title {
        font-size: 50px;
    }
}

.hero-title .highlight {
    color: var(--primary-color);
    position: relative;
}

.hero-title .highlight::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 8px;
    background: linear-gradient(90deg, var(--primary-lighter), transparent);
    z-index: -1;
}

.hero-description {
    font-size: 16px;
    color: var(--text-light);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

@media (min-width: 768px) {
    .hero-description {
        font-size: 18px;
    }
}

.hero-features {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 2rem;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
    color: var(--primary-color);
}

.feature-item i {
    font-size: 20px;
    color: var(--accent-color);
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: var(--white);
    padding: 16px 40px;
    border-radius: 50px;
    font-size: 18px;
    font-weight: 700;
    box-shadow: 0 10px 30px rgba(30, 64, 175, 0.3);
    transition: var(--transition);
    width: 100%;
    justify-content: center;
    min-height: 56px;
}

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

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(30, 64, 175, 0.4);
}

.cta-button.pulse {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 10px 30px rgba(30, 64, 175, 0.3);
    }
    50% {
        box-shadow: 0 10px 40px rgba(30, 64, 175, 0.5);
    }
}

.hero-guarantee {
    margin-top: 1.5rem;
    font-size: 14px;
    color: var(--text-light);
    display: flex;
    align-items: center;
    gap: 8px;
}

.hero-guarantee i {
    color: var(--accent-color);
    font-size: 18px;
}

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

.cards-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
}

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

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

.feature-card {
    background: var(--white);
    border: 2px solid var(--border-color);
    border-radius: 16px;
    padding: 30px;
    text-align: center;
    transition: var(--transition);
    height: 100%;
}

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

.card-icon {
    width: 100px;
    height: 100px;
    margin: 0 auto 20px;
}

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

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

.feature-card p {
    color: var(--text-light);
    font-size: 15px;
    line-height: 1.6;
}

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

.what-is-wrapper {
    display: flex;
    flex-direction: column;
    gap: 40px;
    align-items: center;
}

@media (min-width: 1024px) {
    .what-is-wrapper {
        flex-direction: row;
        gap: 60px;
    }
}

.what-is-content {
    flex: 1;
}

.what-is-content h2 {
    text-align: left;
    margin-bottom: 1.5rem;
}

.what-is-content p {
    font-size: 16px;
    color: var(--text-light);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.what-is-image {
    flex: 1;
    max-width: 500px;
}

.what-is-image img {
    width: 100%;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
}

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

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

.accordion-item {
    background: var(--white);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    margin-bottom: 16px;
    overflow: hidden;
    transition: var(--transition);
}

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

.accordion-header {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px;
    background: var(--white);
    cursor: pointer;
    transition: var(--transition);
    text-align: left;
    min-height: 60px;
}

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

.accordion-icon {
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 22px;
}

.accordion-title {
    flex: 1;
    font-size: 18px;
    font-weight: 600;
    color: var(--dark);
}

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

.accordion-arrow {
    flex-shrink: 0;
    color: var(--primary-color);
    font-size: 18px;
    transition: transform 0.3s ease;
}

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

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
}

.accordion-item.active .accordion-content {
    max-height: 800px;
}

.accordion-content p {
    padding: 0 20px 20px 86px;
    color: var(--text-light);
    line-height: 1.8;
    font-size: 15px;
}

@media (max-width: 767px) {
    .accordion-content p {
        padding: 0 20px 20px 20px;
    }
}

/* ===== REVIEWS SECTION ===== */
.reviews {
    background: linear-gradient(135deg, #EFF6FF 0%, #DBEAFE 100%);
}

.reviews-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
}

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

@media (min-width: 1024px) {
    .reviews-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.review-card {
    background: var(--white);
    border-radius: 16px;
    padding: 30px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    animation: fadeInScale 0.6s ease;
}

@keyframes fadeInScale {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

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

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

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

.reviewer-info {
    flex: 1;
}

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

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

.review-rating {
    margin-bottom: 16px;
}

.review-rating i {
    color: #F59E0B;
    font-size: 18px;
    margin-right: 4px;
}

.review-text {
    font-size: 15px;
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: 16px;
}

.review-verified {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--accent-color);
    font-weight: 600;
}

.review-verified i {
    font-size: 16px;
}

/* ===== PRICING SECTION ===== */
.pricing {
    background: var(--white);
}

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

.countdown-timer {
    text-align: center;
    margin-bottom: 40px;
    padding: 30px;
    background: linear-gradient(135deg, #FEF2F2, #FEE2E2);
    border-radius: 16px;
    box-shadow: var(--shadow);
}

.timer-text {
    font-size: 18px;
    font-weight: 600;
    color: #DC2626;
    margin-bottom: 20px;
}

@media (min-width: 768px) {
    .timer-text {
        font-size: 22px;
    }
}

.timer-display {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
}

.timer-box {
    background: var(--white);
    border-radius: 12px;
    padding: 20px;
    min-width: 100px;
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
    align-items: center;
}

@media (min-width: 768px) {
    .timer-box {
        min-width: 130px;
        padding: 30px;
    }
}

.timer-box span:first-child {
    font-size: 40px;
    font-weight: 800;
    color: #DC2626;
    font-family: var(--font-display);
}

@media (min-width: 768px) {
    .timer-box span:first-child {
        font-size: 56px;
    }
}

.timer-label {
    font-size: 14px;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 8px;
}

.timer-separator {
    font-size: 40px;
    font-weight: 800;
    color: #DC2626;
}

@media (min-width: 768px) {
    .timer-separator {
        font-size: 56px;
    }
}

.pricing-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
    margin-bottom: 40px;
}

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

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

.pricing-card {
    background: var(--white);
    border: 3px solid var(--border-color);
    border-radius: 20px;
    padding: 30px;
    text-align: center;
    transition: var(--transition);
    position: relative;
    display: flex;
    flex-direction: column;
}

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

.pricing-card.popular {
    border-color: var(--primary-color);
    background: linear-gradient(135deg, #EFF6FF 0%, #DBEAFE 50%, #FFFFFF 100%);
    box-shadow: 0 15px 40px rgba(30, 64, 175, 0.2);
    transform: scale(1.05);
}

@media (max-width: 991px) {
    .pricing-card.popular {
        transform: scale(1);
    }
}

.popular-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, #DC2626, #EF4444);
    color: var(--white);
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 1px;
    box-shadow: var(--shadow);
}

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

.package-label {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: var(--white);
    padding: 6px 20px;
    border-radius: 50px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.package-info h3 {
    font-size: 24px;
    color: var(--dark);
    margin-bottom: 8px;
    margin-top: 12px;
}

.package-info p {
    font-size: 14px;
    color: var(--text-light);
    margin-bottom: 20px;
}

.product-image-wrapper {
    margin: 20px 0;
    min-height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.pricing-product-image {
    max-width: 100%;
    height: auto;
    max-height: 200px;
    object-fit: contain;
}

.pricing-details {
    margin: 20px 0;
}

.price-per-bottle {
    font-size: 36px;
    font-weight: 800;
    color: var(--primary-color);
    font-family: var(--font-display);
    line-height: 1;
}

.price-per-bottle span {
    font-size: 18px;
    color: var(--text-light);
}

.total-price {
    margin: 16px 0;
}

.old-price {
    font-size: 20px;
    color: var(--text-light);
    text-decoration: line-through;
    margin-right: 10px;
}

.new-price {
    font-size: 28px;
    font-weight: 800;
    color: #DC2626;
}

.bonus-badges {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-top: 16px;
}

.bonus-badge {
    display: inline-block;
    background: linear-gradient(135deg, #10B981, #059669);
    color: var(--white);
    padding: 6px 16px;
    border-radius: 50px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.bonus-badge.shipping {
    background: linear-gradient(135deg, #F59E0B, #D97706);
}

.pricing-cta {
    display: block;
    margin: 20px 0;
    transition: var(--transition);
}

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

.atc-image {
    width: 100%;
    max-width: 250px;
    margin: 0 auto;
}

.payment-logos {
    margin-top: 20px;
}

.payment-logos img {
    max-width: 200px;
    margin: 0 auto;
    opacity: 0.8;
}

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

.rating-footer img {
    max-width: 200px;
    margin: 0 auto 12px;
}

.rating-footer p {
    font-size: 14px;
    color: var(--text-light);
}

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

.ingredients-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
}

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

@media (min-width: 1024px) {
    .ingredients-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.ingredient-card {
    background: var(--white);
    border-radius: 16px;
    padding: 30px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.ingredient-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
}

.ingredient-icon i {
    font-size: 28px;
    color: var(--white);
}

.ingredient-card h3 {
    color: var(--primary-color);
    margin-bottom: 12px;
    font-size: 20px;
}

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

/* ===== SCIENTIFIC EVIDENCE ===== */
.scientific-evidence {
    background: var(--white);
}

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

.evidence-section {
    background: var(--light-bg);
    border-left: 4px solid var(--primary-color);
    padding: 30px;
    margin-bottom: 30px;
    border-radius: 8px;
}

.evidence-section h3 {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--primary-color);
    margin-bottom: 16px;
    font-size: 22px;
}

.evidence-section h3 i {
    font-size: 24px;
}

.evidence-section p {
    font-size: 15px;
    color: var(--text-light);
    line-height: 1.8;
}

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

.guarantee-wrapper {
    display: flex;
    flex-direction: column;
    gap: 40px;
    align-items: center;
}

@media (min-width: 1024px) {
    .guarantee-wrapper {
        flex-direction: row;
        gap: 60px;
    }
}

.guarantee-image {
    flex: 1;
    max-width: 400px;
}

.guarantee-image img {
    width: 100%;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
}

.guarantee-content {
    flex: 1;
}

.guarantee-content h2 {
    text-align: left;
    margin-bottom: 1.5rem;
}

.guarantee-intro {
    font-size: 16px;
    color: var(--text-light);
    margin-bottom: 2rem;
    line-height: 1.8;
}

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

.guarantee-point {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
}

.point-icon {
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.point-icon i {
    font-size: 24px;
    color: var(--white);
}

.point-content h3 {
    color: var(--primary-color);
    margin-bottom: 8px;
    font-size: 20px;
}

.point-content p {
    font-size: 15px;
    color: var(--text-light);
    line-height: 1.7;
}

/* ===== BENEFITS SECTION ===== */
.benefits {
    background: var(--white);
}

.benefits-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
}

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

@media (min-width: 1024px) {
    .benefits-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.benefit-item {
    display: flex;
    gap: 20px;
    padding: 30px;
    background: var(--light-bg);
    border-radius: 16px;
    transition: var(--transition);
    border: 2px solid transparent;
}

.benefit-item:hover {
    border-color: var(--primary-light);
    background: var(--white);
    box-shadow: var(--shadow-lg);
    transform: translateY(-3px);
}

.benefit-icon {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.benefit-icon i {
    font-size: 28px;
    color: var(--white);
}

.benefit-item h3 {
    color: var(--dark);
    margin-bottom: 8px;
    font-size: 18px;
}

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

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

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

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

.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px;
    background: var(--white);
    cursor: pointer;
    transition: var(--transition);
    text-align: left;
    font-size: 18px;
    font-weight: 600;
    color: var(--dark);
    min-height: 60px;
}

@media (max-width: 767px) {
    .faq-question {
        font-size: 16px;
        padding: 20px;
    }
}

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

.faq-question i {
    flex-shrink: 0;
    color: var(--primary-color);
    font-size: 20px;
    transition: transform 0.3s ease;
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
}

.faq-item.active .faq-answer {
    max-height: 600px;
}

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

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

.final-cta-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 40px;
    text-align: center;
}

@media (min-width: 768px) {
    .final-cta-wrapper {
        flex-direction: row;
        text-align: left;
    }
}

.final-cta-image {
    max-width: 300px;
    animation: finalCtaFloat 3s ease-in-out infinite;
}

@keyframes finalCtaFloat {
    0%, 100% {
        transform: translateY(0) scale(1);
    }
    50% {
        transform: translateY(-15px) scale(1.05);
    }
}

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

.final-cta-content h2 {
    color: var(--white);
    font-size: 28px;
    margin-bottom: 1.5rem;
}

@media (min-width: 768px) {
    .final-cta-content h2 {
        font-size: 36px;
    }
}

.final-price {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 2rem;
}

.final-old-price {
    font-size: 18px;
    text-decoration: line-through;
    opacity: 0.8;
}

.final-new-price {
    font-size: 40px;
    font-weight: 800;
    font-family: var(--font-display);
}

@media (min-width: 768px) {
    .final-new-price {
        font-size: 52px;
    }
}

.final-cta-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    background: var(--white);
    color: var(--primary-color);
    padding: 18px 50px;
    border-radius: 50px;
    font-size: 20px;
    font-weight: 700;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    transition: var(--transition);
    min-height: 60px;
    width: 100%;
}

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

.final-cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4);
}

.final-note {
    margin-top: 1.5rem;
    font-size: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

@media (min-width: 768px) {
    .final-note {
        justify-content: flex-start;
    }
}

.final-note i {
    font-size: 16px;
}

/* ===== FOOTER ===== */
.footer {
    background: var(--darker);
    color: var(--white);
    padding: 60px 0 30px;
}

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

.footer-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 10px 20px;
    margin-bottom: 30px;
    font-size: 14px;
}

.footer-links a {
    color: var(--primary-lighter);
    transition: var(--transition);
}

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

.footer-disclaimer {
    max-width: 900px;
    margin: 0 auto 30px;
    padding: 20px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
}

.footer-disclaimer p {
    font-size: 13px;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.7);
}

.footer-social {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 30px;
}

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

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

.footer-social i {
    font-size: 18px;
}

.footer-copyright {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
}

/* ===== SCROLL TO TOP BUTTON ===== */
.scroll-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    box-shadow: var(--shadow-lg);
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
}

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

.scroll-top:hover {
    transform: translateY(-5px);
}

/* ===== PURCHASE POPUP ===== */
.purchase-popup {
    position: fixed;
    bottom: -100px;
    left: 20px;
    max-width: 350px;
    width: calc(100% - 40px);
    background: var(--white);
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    z-index: 998;
    transition: bottom 0.5s ease;
}

@media (min-width: 576px) {
    .purchase-popup {
        width: 350px;
    }
}

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

.popup-content {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px;
}

.popup-image {
    width: 60px;
    height: 60px;
    object-fit: contain;
    flex-shrink: 0;
}

.popup-text {
    flex: 1;
}

.popup-name {
    font-weight: 700;
    font-size: 14px;
    color: var(--dark);
    margin-bottom: 4px;
}

.popup-location {
    font-size: 12px;
    color: var(--text-light);
    margin-bottom: 4px;
}

.popup-action {
    font-size: 12px;
    color: var(--accent-color);
    font-weight: 600;
}

.popup-close {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
    cursor: pointer;
    transition: var(--transition);
}

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

/* ===== AOS ANIMATIONS ===== */
[data-aos] {
    opacity: 0;
    transition-property: opacity, transform;
    transition-duration: 0.6s;
    transition-timing-function: ease-out;
}

[data-aos].aos-animate {
    opacity: 1;
}

[data-aos="fade-up"] {
    transform: translateY(50px);
}

[data-aos="fade-up"].aos-animate {
    transform: translateY(0);
}

[data-aos="fade-down"] {
    transform: translateY(-50px);
}

[data-aos="fade-down"].aos-animate {
    transform: translateY(0);
}

[data-aos="fade-left"] {
    transform: translateX(-50px);
}

[data-aos="fade-left"].aos-animate {
    transform: translateX(0);
}

[data-aos="fade-right"] {
    transform: translateX(50px);
}

[data-aos="fade-right"].aos-animate {
    transform: translateX(0);
}

[data-aos="zoom-in"] {
    transform: scale(0.9);
}

[data-aos="zoom-in"].aos-animate {
    transform: scale(1);
}

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

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

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

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

/* ===== LOADING OPTIMIZATION ===== */
img[loading="lazy"] {
    opacity: 0;
    transition: opacity 0.3s;
}

img[loading="lazy"].loaded {
    opacity: 1;
}