/* ===================================
   ZYREXIN LANDING PAGE - STYLES.CSS
   Design Style: Medical Professional
   Mobile-First Responsive Design
   =================================== */

/* === CSS RESET & BASE === */
* {
    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: #f8f9fa;
    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;
}

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

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

/* === SECTION HEADING === */
.section-heading {
    font-size: 28px;
    font-weight: 700;
    color: #1E40AF;
    text-align: center;
    margin-bottom: 20px;
    line-height: 1.3;
}

/* === NAVIGATION === */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: #ffffff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    z-index: 1000;
    transition: all 0.3s ease;
}

.header.scrolled {
    padding: 8px 0;
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
}

.navbar {
    padding: 15px 0;
}

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

.logo h2 {
    font-size: 24px;
    color: #1E40AF;
    font-weight: 800;
    letter-spacing: 1px;
}

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

.hamburger span {
    width: 100%;
    height: 3px;
    background: #1E40AF;
    border-radius: 2px;
    transition: all 0.3s ease;
}

.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(8px, -8px);
}

.nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 300px;
    height: 100vh;
    background: #ffffff;
    list-style: none;
    padding: 80px 30px 30px;
    box-shadow: -5px 0 15px rgba(0,0,0,0.1);
    transition: right 0.4s ease;
    z-index: 999;
}

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

.nav-menu li {
    margin-bottom: 25px;
}

.nav-link {
    font-size: 18px;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
    display: block;
}

.nav-link:hover {
    color: #1E40AF;
}

.nav-cta-btn {
    display: block;
}

.cta-btn {
    background: linear-gradient(135deg, #1E40AF, #3B82F6);
    color: #ffffff;
    padding: 12px 24px;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    transition: all 0.3s ease;
    width: 100%;
    min-height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.cta-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 5px 15px rgba(30, 64, 175, 0.3);
}

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

/* === HERO SECTION === */
.hero {
    padding: 100px 20px 60px;
    background: linear-gradient(135deg, #EFF6FF 0%, #DBEAFE 100%);
    margin-top: 60px;
}

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

.hero-image {
    width: 100%;
    max-width: 400px;
    animation: floatAnimation 3s ease-in-out infinite;
}

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

.product-bottle {
    width: 100%;
    filter: drop-shadow(0 10px 30px rgba(0,0,0,0.2));
}

.hero-content {
    width: 100%;
    text-align: center;
}

.hero-headline {
    font-size: 32px;
    font-weight: 800;
    color: #1E40AF;
    margin-bottom: 20px;
    line-height: 1.2;
    animation: fadeInUp 0.8s ease;
}

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

.hero-description {
    font-size: 16px;
    color: #4B5563;
    margin-bottom: 20px;
    line-height: 1.8;
    animation: fadeInUp 1s ease;
}

.hero-cta {
    display: inline-block;
    animation: fadeInUp 1.2s ease;
}

.cta-btn-large {
    background: linear-gradient(135deg, #1E40AF, #3B82F6);
    color: #ffffff;
    padding: 18px 40px;
    border-radius: 50px;
    font-size: 18px;
    font-weight: 700;
    transition: all 0.3s ease;
    min-height: 56px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 20px rgba(30, 64, 175, 0.3);
}

.cta-btn-large:hover {
    transform: scale(1.05);
    box-shadow: 0 12px 30px rgba(30, 64, 175, 0.4);
}

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

/* === WHY CHOOSE US === */
.why-choose {
    padding: 60px 20px;
    background: #ffffff;
}

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

.badge-card {
    background: #F8FAFC;
    border: 2px solid #E2E8F0;
    border-radius: 16px;
    padding: 30px 20px;
    text-align: center;
    transition: all 0.4s ease;
    opacity: 0;
    transform: translateY(30px);
}

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

.badge-card:hover {
    transform: translateY(-8px) scale(1.03) rotate(2deg);
    box-shadow: 0 15px 40px rgba(30, 64, 175, 0.15);
    border-color: #3B82F6;
}

.badge-icon {
    width: 80px;
    height: 80px;
    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: #6B7280;
    line-height: 1.7;
}

/* === WHAT IS SECTION === */
.what-is {
    padding: 60px 20px;
    background: linear-gradient(135deg, #EFF6FF 0%, #DBEAFE 100%);
}

.what-is-container {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.what-is-content {
    order: 2;
}

.what-is-image {
    order: 1;
    width: 100%;
    max-width: 500px;
    margin: 0 auto;
}

.what-is-text {
    font-size: 16px;
    color: #4B5563;
    margin-bottom: 20px;
    line-height: 1.8;
}

/* === HOW IT WORKS === */
.how-it-works {
    padding: 60px 20px;
    background: #ffffff;
}

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

.accordion-item {
    background: #F8FAFC;
    border: 2px solid #E2E8F0;
    border-radius: 12px;
    margin-bottom: 15px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.accordion-item:hover {
    border-color: #3B82F6;
}

.accordion-header {
    width: 100%;
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 16px;
    font-weight: 600;
    color: #1E40AF;
    text-align: left;
    cursor: pointer;
    transition: all 0.3s ease;
    min-height: 48px;
}

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

.accordion-icon {
    font-size: 24px;
    font-weight: 700;
    color: #3B82F6;
    transition: transform 0.3s ease;
    flex-shrink: 0;
    margin-left: 15px;
}

.accordion-header[aria-expanded="true"] .accordion-icon {
    transform: rotate(45deg);
}

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

.accordion-header[aria-expanded="true"] + .accordion-content {
    max-height: 500px;
    padding: 0 20px 20px;
}

.accordion-content p {
    font-size: 15px;
    color: #4B5563;
    line-height: 1.8;
}

/* === REVIEWS === */
.reviews {
    padding: 60px 20px;
    background: linear-gradient(135deg, #EFF6FF 0%, #DBEAFE 100%);
}

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

.review-card {
    background: #ffffff;
    border-radius: 16px;
    padding: 30px 20px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    opacity: 0;
    transform: scale(0.9);
    transition: all 0.4s ease;
}

.review-card.animate-in {
    opacity: 1;
    transform: scale(1);
}

.review-card:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 25px rgba(0,0,0,0.12);
}

.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;
}

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

.review-stars {
    color: #F59E0B;
    font-size: 20px;
    margin-bottom: 10px;
}

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

.review-location {
    font-size: 14px;
    color: #6B7280;
    margin-bottom: 15px;
}

.review-text {
    font-size: 15px;
    color: #4B5563;
    line-height: 1.7;
    font-style: italic;
}

/* === PRICING === */
.pricing {
    padding: 60px 20px;
    background: #ffffff;
}

.pricing-subheading {
    text-align: center;
    font-size: 18px;
    color: #6B7280;
    margin-bottom: 30px;
}

.countdown-timer {
    background: linear-gradient(135deg, #DC2626, #EF4444);
    color: #ffffff;
    padding: 20px;
    border-radius: 12px;
    text-align: center;
    max-width: 400px;
    margin: 0 auto 40px;
    box-shadow: 0 8px 25px rgba(220, 38, 38, 0.3);
}

.timer-text {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 10px;
}

.timer-display {
    font-size: 42px;
    font-weight: 800;
    letter-spacing: 3px;
}

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

.pricing-card {
    background: #F8FAFC;
    border: 3px solid #E2E8F0;
    border-radius: 20px;
    padding: 30px 20px;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
}

.pricing-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.1);
}

.pricing-card.featured {
    background: linear-gradient(135deg, #1E40AF 0%, #3B82F6 100%);
    border-color: #1E40AF;
    transform: scale(1);
}

.pricing-card.featured * {
    color: #ffffff !important;
}

.popular-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: #F59E0B;
    color: #ffffff;
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 1px;
}

.pricing-label {
    font-size: 14px;
    font-weight: 700;
    color: #6B7280;
    margin-bottom: 10px;
    letter-spacing: 1px;
}

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

.pricing-supply {
    font-size: 14px;
    color: #6B7280;
    margin-bottom: 20px;
}

.pricing-image {
    width: 100%;
    max-width: 200px;
    margin: 0 auto 20px;
}

.pricing-per-bottle {
    font-size: 36px;
    font-weight: 800;
    color: #1E40AF;
    margin-bottom: 10px;
}

.pricing-per-bottle span {
    font-size: 16px;
    font-weight: 500;
}

.pricing-total {
    margin-bottom: 20px;
}

.old-price {
    font-size: 20px;
    color: #9CA3AF;
    text-decoration: line-through;
    margin-right: 10px;
}

.new-price {
    font-size: 28px;
    font-weight: 800;
    color: #10B981;
}

.bonus-badges {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 20px;
}

.bonus-badge {
    background: #10B981;
    color: #ffffff;
    padding: 8px 15px;
    border-radius: 8px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.pricing-card.featured .bonus-badge {
    background: #F59E0B;
}

.pricing-btn-link {
    display: block;
    margin-bottom: 20px;
}

.pricing-btn {
    background: linear-gradient(135deg, #1E40AF, #3B82F6);
    color: #ffffff;
    padding: 16px 30px;
    border-radius: 50px;
    font-size: 16px;
    font-weight: 700;
    width: 100%;
    min-height: 50px;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(30, 64, 175, 0.3);
}

.pricing-card.featured .pricing-btn {
    background: #ffffff;
    color: #1E40AF;
}

.pricing-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 25px rgba(30, 64, 175, 0.4);
}

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

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

.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 === */
.ingredients {
    padding: 60px 20px;
    background: linear-gradient(135deg, #EFF6FF 0%, #DBEAFE 100%);
}

.ingredients-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
    margin-top: 40px;
}

.ingredient-card {
    background: #ffffff;
    border-left: 4px solid #3B82F6;
    border-radius: 12px;
    padding: 20px;
    transition: all 0.3s ease;
}

.ingredient-card:hover {
    transform: translateX(8px);
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    border-left-width: 6px;
}

.ingredient-name {
    font-size: 18px;
    font-weight: 700;
    color: #1E40AF;
    margin-bottom: 10px;
}

.ingredient-description {
    font-size: 15px;
    color: #4B5563;
    line-height: 1.7;
}

/* === SCIENTIFIC EVIDENCE === */
.scientific-evidence {
    padding: 60px 20px;
    background: #ffffff;
}

.evidence-intro {
    max-width: 800px;
    margin: 0 auto 40px;
    text-align: center;
}

.evidence-intro p {
    font-size: 16px;
    color: #4B5563;
    line-height: 1.8;
}

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

.evidence-item {
    background: #F8FAFC;
    border: 2px solid #E2E8F0;
    border-radius: 12px;
    margin-bottom: 15px;
    overflow: hidden;
}

.evidence-header {
    width: 100%;
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 16px;
    font-weight: 600;
    color: #1E40AF;
    text-align: left;
    cursor: pointer;
    transition: all 0.3s ease;
    min-height: 48px;
}

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

.evidence-icon {
    font-size: 24px;
    font-weight: 700;
    color: #3B82F6;
    transition: transform 0.3s ease;
    flex-shrink: 0;
    margin-left: 15px;
}

.evidence-header[aria-expanded="true"] .evidence-icon {
    transform: rotate(45deg);
}

.evidence-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
}

.evidence-header[aria-expanded="true"] + .evidence-body {
    max-height: 500px;
    padding: 0 20px 20px;
}

.evidence-body p {
    font-size: 15px;
    color: #4B5563;
    line-height: 1.8;
}

/* === GUARANTEE === */
.guarantee {
    padding: 60px 20px;
    background: linear-gradient(135deg, #EFF6FF 0%, #DBEAFE 100%);
}

.guarantee-container {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.guarantee-image {
    order: 1;
    width: 100%;
    max-width: 400px;
    margin: 0 auto;
}

.guarantee-content {
    order: 2;
}

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

.guarantee-title {
    font-size: 20px;
    font-weight: 700;
    color: #1E40AF;
    margin-bottom: 10px;
}

.guarantee-text {
    font-size: 15px;
    color: #4B5563;
    line-height: 1.8;
}

/* === BENEFITS === */
.benefits {
    padding: 60px 20px;
    background: #ffffff;
}

.benefits-list {
    max-width: 900px;
    margin: 40px auto 0;
}

.benefit-item {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
    padding: 20px;
    background: #F8FAFC;
    border-radius: 12px;
    border-left: 4px solid #10B981;
    transition: all 0.3s ease;
}

.benefit-item:hover {
    transform: translateX(8px);
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
}

.benefit-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #10B981, #34D399);
    color: #ffffff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 700;
    flex-shrink: 0;
}

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

.benefit-text p {
    font-size: 15px;
    color: #4B5563;
    line-height: 1.7;
}

/* === FAQ === */
.faq {
    padding: 60px 20px;
    background: linear-gradient(135deg, #EFF6FF 0%, #DBEAFE 100%);
}

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

.faq-item {
    background: #ffffff;
    border: 2px solid #E2E8F0;
    border-radius: 12px;
    margin-bottom: 15px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.faq-header {
    width: 100%;
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 16px;
    font-weight: 600;
    color: #1E40AF;
    text-align: left;
    cursor: pointer;
    transition: all 0.3s ease;
    min-height: 48px;
}

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

.faq-icon {
    font-size: 24px;
    font-weight: 700;
    color: #3B82F6;
    transition: transform 0.3s ease;
    flex-shrink: 0;
    margin-left: 15px;
}

.faq-header[aria-expanded="true"] .faq-icon {
    transform: rotate(45deg);
}

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

.faq-header[aria-expanded="true"] + .faq-content {
    max-height: 600px;
    padding: 0 20px 20px;
}

.faq-content p {
    font-size: 15px;
    color: #4B5563;
    line-height: 1.8;
}

/* === FINAL CTA === */
.final-cta {
    padding: 60px 20px;
    background: linear-gradient(135deg, #1E40AF 0%, #3B82F6 100%);
}

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

.final-cta-image {
    width: 100%;
    max-width: 400px;
    animation: pulse 2s ease-in-out infinite;
}

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

.final-cta-heading {
    font-size: 28px;
    font-weight: 800;
    color: #ffffff;
    margin-bottom: 20px;
    line-height: 1.3;
}

.final-cta-price {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 30px;
}

.final-regular-price {
    font-size: 18px;
    color: #E2E8F0;
}

.final-regular-price del {
    color: #9CA3AF;
}

.final-special-price {
    font-size: 36px;
    font-weight: 800;
    color: #F59E0B;
}

.final-cta-btn {
    background: #ffffff;
    color: #1E40AF;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

.final-cta-disclaimer {
    font-size: 14px;
    color: #E2E8F0;
    margin-top: 20px;
}

/* === FOOTER === */
.footer {
    background: #1F2937;
    color: #E5E7EB;
    padding: 40px 20px 20px;
}

.footer-links {
    text-align: center;
    margin-bottom: 30px;
}

.footer-links a {
    color: #93C5FD;
    font-size: 14px;
    margin: 0 10px;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #ffffff;
}

.footer-links span {
    color: #6B7280;
}

.footer-disclaimer {
    max-width: 900px;
    margin: 0 auto 30px;
    font-size: 13px;
    line-height: 1.7;
    color: #9CA3AF;
}

.footer-disclaimer p {
    margin-bottom: 15px;
}

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

.footer-social a {
    width: 44px;
    height: 44px;
    background: #374151;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

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

.social-icon {
    color: #E5E7EB;
    font-size: 18px;
    font-weight: 700;
}

.footer-copyright {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #374151;
    font-size: 14px;
    color: #9CA3AF;
}

/* === SCROLL TO TOP === */
.scroll-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, #1E40AF, #3B82F6);
    color: #ffffff;
    border-radius: 50%;
    font-size: 24px;
    display: none;
    align-items: center;
    justify-content: center;
    box-shadow: 0 5px 20px rgba(30, 64, 175, 0.4);
    transition: all 0.3s ease;
    z-index: 998;
}

.scroll-top.visible {
    display: flex;
}

.scroll-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(30, 64, 175, 0.5);
}

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

/* === POPUP OVERLAY === */
.popup-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    padding: 20px;
}

.popup-overlay.active {
    display: flex;
}

.popup-content {
    background: #ffffff;
    border-radius: 20px;
    padding: 40px 30px;
    max-width: 500px;
    width: 100%;
    position: relative;
    animation: popupSlideIn 0.4s ease;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}

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

.popup-close {
    position: absolute;
    top: 15px;
    right: 15px;
    width: 40px;
    height: 40px;
    background: #EF4444;
    color: #ffffff;
    border-radius: 50%;
    font-size: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.popup-close:hover {
    background: #DC2626;
    transform: rotate(90deg);
}

.popup-body {
    text-align: center;
}

.popup-heading {
    font-size: 28px;
    font-weight: 800;
    color: #1E40AF;
    margin-bottom: 15px;
}

.popup-text {
    font-size: 16px;
    color: #4B5563;
    margin-bottom: 20px;
}

.popup-offer {
    background: linear-gradient(135deg, #EF4444, #F59E0B);
    color: #ffffff;
    padding: 15px 25px;
    border-radius: 12px;
    font-size: 24px;
    font-weight: 800;
    margin-bottom: 25px;
    letter-spacing: 1px;
}

.popup-cta {
    display: inline-block;
}

/* === NOTIFICATION POPUP === */
.notification-popup {
    position: fixed;
    bottom: -100px;
    left: 20px;
    background: #ffffff;
    border-radius: 12px;
    padding: 15px 20px;
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
    display: flex;
    align-items: center;
    gap: 15px;
    max-width: 350px;
    transition: bottom 0.4s ease;
    z-index: 997;
}

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

.notification-icon {
    font-size: 32px;
}

.notification-text {
    display: flex;
    flex-direction: column;
    font-size: 14px;
    color: #4B5563;
}

.notification-text strong {
    color: #1E40AF;
    font-weight: 700;
    margin-bottom: 3px;
}

/* === TABLET STYLES (576px) === */
@media (min-width: 576px) {
    .section-heading {
        font-size: 32px;
    }

    .badges-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .reviews-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .ingredients-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* === TABLET LANDSCAPE (768px) === */
@media (min-width: 768px) {
    .hamburger {
        display: none;
    }

    .nav-menu {
        position: static;
        width: auto;
        height: auto;
        flex-direction: row;
        display: flex;
        align-items: center;
        padding: 0;
        box-shadow: none;
        background: transparent;
    }

    .nav-menu li {
        margin-bottom: 0;
        margin-left: 30px;
    }

    .nav-link {
        font-size: 16px;
    }

    .nav-cta-btn {
        display: inline-block;
    }

    .cta-btn {
        width: auto;
    }

    .hero {
        padding: 120px 20px 80px;
    }

    .hero-container {
        flex-direction: row;
    }

    .hero-image {
        flex: 1;
    }

    .hero-content {
        flex: 1;
        text-align: left;
    }

    .hero-headline {
        font-size: 40px;
    }

    .hero-description {
        font-size: 17px;
    }

    .what-is-container {
        flex-direction: row;
        align-items: center;
    }

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

    .what-is-image {
        flex: 1;
        order: 2;
    }

    .guarantee-container {
        flex-direction: row;
        align-items: center;
    }

    .guarantee-image {
        flex: 1;
        order: 1;
    }

    .guarantee-content {
        flex: 1;
        order: 2;
    }

    .final-cta-container {
        flex-direction: row;
        text-align: left;
    }

    .final-cta-heading {
        font-size: 36px;
    }

    .reviews-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* === SMALL DESKTOP (992px) === */
@media (min-width: 992px) {
    .section-heading {
        font-size: 36px;
    }

    .badges-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    .pricing-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* === LARGE DESKTOP (1200px+) === */
@media (min-width: 1200px) {
    .hero-headline {
        font-size: 48px;
    }

    .section-heading {
        font-size: 40px;
    }

    .final-cta-heading {
        font-size: 42px;
    }
}

/* === REDUCED MOTION === */
@media (prefers-reduced-motion: reduce) {
    * {
        animation: none !important;
        transition: none !important;
    }
}

/* === PRINT STYLES === */
@media print {
    .header,
    .scroll-top,
    .popup-overlay,
    .notification-popup {
        display: none !important;
    }
}