/* ===================================
   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: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

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

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

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

.section-title {
    font-size: 28px;
    font-weight: 700;
    color: #1E40AF;
    text-align: center;
    margin-bottom: 20px;
}

.section-subtitle {
    font-size: 18px;
    color: #64748b;
    text-align: center;
    margin-bottom: 30px;
}

.btn {
    display: inline-block;
    padding: 14px 32px;
    font-size: 16px;
    font-weight: 600;
    text-align: center;
    border-radius: 50px;
    transition: all 0.3s ease;
    cursor: pointer;
    min-height: 48px;
    line-height: 1.4;
}

.btn-primary {
    background: linear-gradient(135deg, #1E40AF 0%, #3B82F6 100%);
    color: #fff;
    box-shadow: 0 4px 15px rgba(30, 64, 175, 0.3);
}

.btn-primary:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 20px rgba(30, 64, 175, 0.4);
}

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

.btn-large {
    padding: 18px 48px;
    font-size: 18px;
    min-height: 56px;
}

.btn-xlarge {
    padding: 20px 60px;
    font-size: 20px;
    min-height: 60px;
}

.btn-full {
    width: 100%;
}

/* ===================================
   ANIMATIONS
   =================================== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

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

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

@keyframes fadeSlide {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.fade-in {
    animation: fadeIn 1s ease-out forwards;
}

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

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

.animate-scale {
    animation: scaleIn 0.8s ease-out forwards;
}

/* Scroll animations */
.slide-up-on-scroll {
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.6s ease-out;
}

.slide-up-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===================================
   HEADER & NAVIGATION
   =================================== */
.header {
    background: #fff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

.header.scrolled {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.navbar {
    padding: 15px 0;
}

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

.logo h2 {
    font-size: 28px;
    color: #1E40AF;
    font-weight: 700;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 30px;
}

.nav-link {
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
    font-size: 16px;
}

.nav-link:hover {
    color: #3B82F6;
}

.btn-nav {
    padding: 10px 24px;
    min-height: 44px;
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 10px;
    min-width: 44px;
    min-height: 44px;
    justify-content: center;
    align-items: center;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: #1E40AF;
    transition: all 0.3s ease;
    border-radius: 2px;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(7px, 7px);
}

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

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

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

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

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

.product-bottle {
    max-width: 400px;
    margin: 0 auto;
    filter: drop-shadow(0 10px 30px rgba(30, 64, 175, 0.2));
}

.hero-title {
    font-size: 42px;
    font-weight: 800;
    color: #1E40AF;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-description {
    font-size: 18px;
    color: #475569;
    margin-bottom: 20px;
    line-height: 1.8;
}

/* ===================================
   WHY CHOOSE US SECTION
   =================================== */
.why-choose-section {
    padding: 80px 0;
    background: #fff;
}

.badges-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.badge-card {
    background: #fff;
    border: 2px solid #E0E7FF;
    border-radius: 15px;
    padding: 30px 20px;
    text-align: center;
    transition: all 0.4s ease;
    opacity: 0;
    transform: translateY(50px);
}

.badge-card.visible {
    animation: slideUp 0.6s ease-out forwards;
}

.badge-card:hover {
    transform: translateY(-10px) scale(1.05) rotate(2deg);
    box-shadow: 0 15px 40px rgba(30, 64, 175, 0.2);
    border-color: #3B82F6;
}

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

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

.badge-title {
    font-size: 18px;
    font-weight: 700;
    color: #1E40AF;
    margin-bottom: 15px;
}

.badge-description {
    font-size: 14px;
    color: #64748b;
    line-height: 1.6;
}

/* ===================================
   WHAT IS SECTION
   =================================== */
.what-is-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #F0F9FF 0%, #E0F2FE 100%);
}

.content-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.content-text p {
    font-size: 16px;
    color: #475569;
    margin-bottom: 20px;
    line-height: 1.8;
}

.responsive-image {
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(30, 64, 175, 0.15);
}

/* ===================================
   HOW IT WORKS SECTION
   =================================== */
.how-it-works-section {
    padding: 80px 0;
    background: #fff;
}

.accordion-container {
    max-width: 800px;
    margin: 40px auto 0;
}

.accordion-item {
    background: #fff;
    border: 2px solid #E0E7FF;
    border-radius: 10px;
    margin-bottom: 15px;
    overflow: hidden;
}

.accordion-header {
    width: 100%;
    padding: 20px 25px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: #F8FAFC;
    cursor: pointer;
    font-size: 18px;
    font-weight: 600;
    color: #1E40AF;
    transition: all 0.3s ease;
    min-height: 44px;
}

.accordion-header:hover {
    background: #EFF6FF;
}

.accordion-icon {
    font-size: 28px;
    font-weight: 300;
    transition: transform 0.3s ease;
}

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

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
    padding: 0 25px;
}

.accordion-item.active .accordion-content {
    max-height: 500px;
    padding: 20px 25px;
}

.accordion-content p {
    color: #475569;
    line-height: 1.8;
    font-size: 16px;
}

/* ===================================
   REVIEWS SECTION
   =================================== */
.reviews-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #EFF6FF 0%, #DBEAFE 100%);
}

.reviews-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.review-card {
    background: #fff;
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 5px 20px rgba(30, 64, 175, 0.1);
    transition: all 0.4s ease;
    opacity: 0;
    transform: translateX(-30px);
}

.review-card.visible {
    animation: fadeSlide 0.8s ease-out forwards;
}

.review-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(30, 64, 175, 0.2);
}

.review-image {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    border-radius: 50%;
    overflow: hidden;
    border: 3px solid #3B82F6;
}

.review-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.stars {
    color: #F59E0B;
    font-size: 20px;
    text-align: center;
    margin-bottom: 15px;
}

.review-name {
    font-size: 18px;
    font-weight: 700;
    color: #1E40AF;
    text-align: center;
    margin-bottom: 5px;
}

.review-location {
    font-size: 14px;
    color: #64748b;
    text-align: center;
    margin-bottom: 15px;
}

.review-text {
    font-size: 15px;
    color: #475569;
    line-height: 1.7;
    text-align: center;
    font-style: italic;
}

/* ===================================
   PRICING SECTION
   =================================== */
.pricing-section {
    padding: 80px 0;
    background: #fff;
}

.pricing-section-alt {
    background: linear-gradient(135deg, #F8FAFC 0%, #F1F5F9 100%);
}

.countdown-timer {
    text-align: center;
    margin: 30px 0;
}

.timer-text {
    font-size: 18px;
    color: #EF4444;
    font-weight: 600;
    margin-bottom: 10px;
}

.timer-display {
    font-size: 48px;
    font-weight: 800;
    color: #1E40AF;
    font-family: 'Courier New', monospace;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin: 40px 0;
}

.pricing-card {
    background: #fff;
    border: 2px solid #E0E7FF;
    border-radius: 20px;
    padding: 30px 20px;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
}

.pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(30, 64, 175, 0.2);
}

.pricing-featured {
    border: 3px solid #3B82F6;
    box-shadow: 0 10px 30px rgba(59, 130, 246, 0.3);
    transform: scale(1.05);
}

.popular-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: #EF4444;
    color: #fff;
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 700;
}

.pricing-label {
    font-size: 16px;
    font-weight: 700;
    color: #3B82F6;
    margin-bottom: 10px;
}

.pricing-package {
    font-size: 24px;
    font-weight: 800;
    color: #1E40AF;
    margin-bottom: 5px;
}

.pricing-supply {
    font-size: 14px;
    color: #64748b;
    margin-bottom: 20px;
}

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

.pricing-image img {
    max-width: 180px;
    margin: 0 auto;
}

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

.price-old {
    font-size: 20px;
    color: #94A3B8;
    text-decoration: line-through;
    display: block;
    margin-bottom: 5px;
}

.price-new {
    font-size: 36px;
    font-weight: 800;
    color: #EF4444;
    display: block;
}

.pricing-per {
    font-size: 16px;
    color: #64748b;
    margin-bottom: 15px;
}

.bonus-badges {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin: 15px 0;
}

.bonus-badge {
    background: #10B981;
    color: #fff;
    padding: 8px 15px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
}

.payment-logos {
    margin-top: 20px;
    opacity: 0.7;
}

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

.rating-image {
    text-align: center;
    margin-top: 40px;
}

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

/* ===================================
   INGREDIENTS SECTION
   =================================== */
.ingredients-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #F0F9FF 0%, #E0F2FE 100%);
}

.ingredients-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
    margin-top: 40px;
}

.ingredient-card {
    background: #fff;
    border-radius: 12px;
    padding: 25px;
    box-shadow: 0 3px 15px rgba(30, 64, 175, 0.1);
    transition: all 0.3s ease;
}

.ingredient-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(30, 64, 175, 0.2);
}

.ingredient-card h3 {
    font-size: 18px;
    font-weight: 700;
    color: #1E40AF;
    margin-bottom: 12px;
}

.ingredient-card p {
    font-size: 14px;
    color: #475569;
    line-height: 1.7;
}

/* ===================================
   SCIENTIFIC EVIDENCE SECTION
   =================================== */
.scientific-section {
    padding: 80px 0;
    background: #fff;
}

.scientific-content {
    max-width: 900px;
    margin: 40px auto 0;
}

.evidence-item {
    background: #F8FAFC;
    border-left: 4px solid #3B82F6;
    border-radius: 8px;
    padding: 25px;
    margin-bottom: 25px;
}

.evidence-item h3 {
    font-size: 20px;
    font-weight: 700;
    color: #1E40AF;
    margin-bottom: 15px;
}

.evidence-item p {
    font-size: 16px;
    color: #475569;
    line-height: 1.8;
}

/* ===================================
   GUARANTEE SECTION
   =================================== */
.guarantee-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #EFF6FF 0%, #DBEAFE 100%);
}

.guarantee-grid {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 50px;
    align-items: center;
    margin-top: 40px;
}

.guarantee-image img {
    border-radius: 15px;
}

.guarantee-item {
    margin-bottom: 30px;
}

.guarantee-item h3 {
    font-size: 20px;
    font-weight: 700;
    color: #1E40AF;
    margin-bottom: 12px;
}

.guarantee-item p {
    font-size: 16px;
    color: #475569;
    line-height: 1.8;
}

/* ===================================
   BENEFITS SECTION
   =================================== */
.benefits-section {
    padding: 80px 0;
    background: #fff;
}

.benefits-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
    max-width: 800px;
    margin: 40px auto 0;
}

.benefit-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    padding: 20px;
    background: #F8FAFC;
    border-radius: 10px;
    transition: all 0.3s ease;
}

.benefit-item:hover {
    background: #EFF6FF;
    transform: translateX(10px);
}

.benefit-icon {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    background: #10B981;
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 700;
}

.benefit-text h3 {
    font-size: 18px;
    font-weight: 700;
    color: #1E40AF;
    margin-bottom: 8px;
}

.benefit-text p {
    font-size: 15px;
    color: #64748b;
    line-height: 1.6;
}

/* ===================================
   FAQ SECTION
   =================================== */
.faq-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #F0F9FF 0%, #E0F2FE 100%);
}

.faq-container {
    max-width: 900px;
    margin: 40px auto 0;
}

.faq-item {
    background: #fff;
    border: 2px solid #E0E7FF;
    border-radius: 12px;
    margin-bottom: 15px;
    overflow: hidden;
}

.faq-question {
    width: 100%;
    padding: 20px 25px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: #fff;
    cursor: pointer;
    font-size: 18px;
    font-weight: 600;
    color: #1E40AF;
    transition: all 0.3s ease;
    text-align: left;
    min-height: 44px;
}

.faq-question:hover {
    background: #F8FAFC;
}

.faq-icon {
    font-size: 28px;
    font-weight: 300;
    transition: transform 0.3s ease;
    flex-shrink: 0;
}

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

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
    padding: 0 25px;
}

.faq-item.active .faq-answer {
    max-height: 500px;
    padding: 20px 25px;
}

.faq-answer p {
    color: #475569;
    line-height: 1.8;
    font-size: 16px;
}

/* ===================================
   FINAL CTA SECTION
   =================================== */
.final-cta-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #1E40AF 0%, #3B82F6 100%);
    color: #fff;
}

.final-cta-content {
    display: flex;
    align-items: center;
    gap: 50px;
}

.final-cta-image {
    flex: 1;
}

.final-cta-image img {
    max-width: 400px;
    margin: 0 auto;
    filter: drop-shadow(0 15px 40px rgba(0, 0, 0, 0.3));
}

.final-cta-text {
    flex: 1;
    text-align: center;
}

.final-cta-title {
    font-size: 36px;
    font-weight: 800;
    color: #fff;
    margin-bottom: 30px;
    line-height: 1.2;
}

.final-cta-pricing {
    margin: 30px 0;
}

.final-price-old {
    font-size: 22px;
    color: rgba(255, 255, 255, 0.7);
    text-decoration: line-through;
    display: block;
    margin-bottom: 10px;
}

.final-price-new {
    font-size: 48px;
    font-weight: 800;
    color: #FCD34D;
    display: block;
}

.final-cta-note {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.9);
    margin-top: 20px;
}

/* ===================================
   FOOTER
   =================================== */
.footer {
    background: #0F172A;
    color: #fff;
    padding: 60px 0 20px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    margin-bottom: 40px;
}

.footer-column h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 20px;
    color: #93C5FD;
}

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

.footer-column ul li a {
    color: rgba(255, 255, 255, 0.8);
    transition: color 0.3s ease;
}

.footer-column ul li a:hover {
    color: #3B82F6;
}

.social-icons {
    display: flex;
    gap: 15px;
}

.social-icons a {
    width: 44px;
    height: 44px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.social-icons a:hover {
    background: #3B82F6;
    transform: translateY(-3px);
}

.footer-disclaimer {
    background: rgba(255, 255, 255, 0.05);
    padding: 20px;
    border-radius: 10px;
    margin-bottom: 20px;
}

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

.footer-copyright {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

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

/* ===================================
   SCROLL TO TOP BUTTON
   =================================== */
.scroll-top-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 56px;
    height: 56px;
    background: #3B82F6;
    color: #fff;
    border-radius: 50%;
    font-size: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.4);
    z-index: 999;
}

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

.scroll-top-btn:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.5);
}

/* ===================================
   CTA POPUP
   =================================== */
.cta-popup {
    position: fixed;
    bottom: -200px;
    left: 50%;
    transform: translateX(-50%);
    background: #fff;
    border-radius: 15px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    padding: 30px;
    z-index: 1001;
    transition: bottom 0.5s ease;
    max-width: 400px;
    width: 90%;
}

.cta-popup.show {
    bottom: 30px;
}

.popup-close {
    position: absolute;
    top: 10px;
    right: 15px;
    font-size: 28px;
    color: #64748b;
    cursor: pointer;
    min-width: 30px;
    min-height: 30px;
    line-height: 1;
}

.popup-close:hover {
    color: #EF4444;
}

.popup-content h3 {
    font-size: 24px;
    font-weight: 700;
    color: #1E40AF;
    margin-bottom: 15px;
}

.popup-content p {
    font-size: 16px;
    color: #475569;
    margin-bottom: 20px;
}

/* ===================================
   PURCHASE NOTIFICATION
   =================================== */
.purchase-notification {
    position: fixed;
    bottom: 30px;
    left: 30px;
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    padding: 15px 20px;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.5s ease;
    max-width: 300px;
}

.purchase-notification.show {
    opacity: 1;
    visibility: visible;
}

.notification-content {
    display: flex;
    align-items: center;
    gap: 15px;
}

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

.notification-text {
    font-size: 14px;
    color: #333;
}

.notification-text strong {
    color: #1E40AF;
    display: block;
    margin-bottom: 3px;
}

/* ===================================
   MOBILE RESPONSIVE STYLES
   =================================== */

/* Tablets (768px and below) */
@media (max-width: 768px) {
    .section-title {
        font-size: 24px;
    }

    .section-subtitle {
        font-size: 16px;
    }

    /* Navigation */
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: #fff;
        flex-direction: column;
        padding: 30px;
        gap: 20px;
        transition: left 0.3s ease;
        box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    }

    .nav-menu.active {
        left: 0;
    }

    .btn-nav {
        width: 100%;
    }

    /* Hero Section */
    .hero-section {
        padding: 40px 0;
    }

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

    .hero-title {
        font-size: 28px;
    }

    .hero-description {
        font-size: 16px;
    }

    /* Why Choose */
    .badges-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    /* What Is */
    .content-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    /* Reviews */
    .reviews-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    /* Pricing */
    .timer-display {
        font-size: 36px;
    }

    .pricing-grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }

    .pricing-featured {
        transform: scale(1);
    }

    /* Ingredients */
    .ingredients-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    /* Guarantee */
    .guarantee-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    /* Final CTA */
    .final-cta-content {
        flex-direction: column;
        gap: 30px;
    }

    .final-cta-title {
        font-size: 26px;
    }

    .final-price-new {
        font-size: 36px;
    }

    /* Footer */
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    /* Popup */
    .cta-popup {
        max-width: 90%;
        padding: 20px;
    }

    /* Purchase Notification */
    .purchase-notification {
        left: 20px;
        right: 20px;
        bottom: 20px;
        max-width: calc(100% - 40px);
    }
}

/* Small phones (576px and below) */
@media (max-width: 576px) {
    .container {
        padding: 0 15px;
    }

    .section-title {
        font-size: 22px;
    }

    .hero-title {
        font-size: 24px;
    }

    .badges-grid {
        grid-template-columns: 1fr;
    }

    .timer-display {
        font-size: 32px;
    }

    .pricing-card {
        padding: 25px 15px;
    }

    .final-cta-title {
        font-size: 22px;
    }

    .btn-large {
        padding: 16px 32px;
        font-size: 16px;
    }

    .btn-xlarge {
        padding: 18px 40px;
        font-size: 18px;
    }

    .scroll-top-btn {
        width: 50px;
        height: 50px;
        bottom: 20px;
        right: 20px;
    }
}

/* Large screens */
@media (min-width: 1440px) {
    .container {
        max-width: 1400px;
    }

    .section-title {
        font-size: 42px;
    }

    .hero-title {
        font-size: 52px;
    }
}

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