/* ===================================
   OTC TESTOSTERONE - STYLES.CSS
   Mobile-First Responsive Design
   Modern Gradient Theme
   =================================== */

/* ===================================
   1. CSS 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', system-ui, -apple-system, BlinkMacSystemFont, 'Roboto', 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #1f2937;
    background: #ffffff;
    overflow-x: hidden;
}

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

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

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

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

/* ===================================
   2. UTILITY CLASSES
   =================================== */

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

@media (min-width: 768px) {
    .container {
        padding: 0 40px;
    }
}

@media (min-width: 1024px) {
    .container {
        padding: 0 60px;
    }
}

.section-title {
    font-size: 28px;
    font-weight: 700;
    color: #111827;
    text-align: center;
    margin-bottom: 16px;
    line-height: 1.2;
}

@media (min-width: 576px) {
    .section-title {
        font-size: 32px;
        margin-bottom: 20px;
    }
}

@media (min-width: 768px) {
    .section-title {
        font-size: 36px;
        margin-bottom: 24px;
    }
}

@media (min-width: 1024px) {
    .section-title {
        font-size: 42px;
        margin-bottom: 32px;
    }
}

/* ===================================
   3. NAVIGATION MENU
   =================================== */

#mainHeader {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

#mainHeader.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.navbar {
    padding: 16px 0;
}

@media (min-width: 768px) {
    .navbar {
        padding: 20px 0;
    }
}

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

.nav-logo a {
    font-size: 20px;
    font-weight: 700;
    background: linear-gradient(135deg, #4F46E5, #06B6D4);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

@media (min-width: 768px) {
    .nav-logo a {
        font-size: 24px;
    }
}

/* Hamburger Menu */
.hamburger {
    display: flex;
    flex-direction: column;
    gap: 5px;
    width: 30px;
    height: 24px;
    z-index: 1001;
}

.hamburger span {
    display: block;
    width: 100%;
    height: 3px;
    background: linear-gradient(135deg, #4F46E5, #06B6D4);
    border-radius: 3px;
    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(7px, -7px);
}

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

/* Navigation Menu */
.nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: linear-gradient(135deg, #4F46E5, #06B6D4);
    padding: 80px 30px 30px;
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 20px;
    transition: right 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    box-shadow: -5px 0 25px rgba(0, 0, 0, 0.2);
    z-index: 999;
}

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

.nav-menu li {
    opacity: 0;
    transform: translateX(50px);
    transition: all 0.3s ease;
}

.nav-menu.active li {
    opacity: 1;
    transform: translateX(0);
}

.nav-menu.active li:nth-child(1) { transition-delay: 0.1s; }
.nav-menu.active li:nth-child(2) { transition-delay: 0.2s; }
.nav-menu.active li:nth-child(3) { transition-delay: 0.3s; }
.nav-menu.active li:nth-child(4) { transition-delay: 0.4s; }

.nav-link {
    color: #ffffff;
    font-size: 18px;
    font-weight: 500;
    padding: 12px 0;
    display: block;
    transition: all 0.3s ease;
}

.nav-link:hover {
    padding-left: 10px;
    opacity: 0.8;
}

.nav-cta {
    display: inline-block;
    background: #ffffff;
    color: #4F46E5;
    padding: 12px 24px;
    border-radius: 50px;
    font-weight: 600;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(255, 255, 255, 0.3);
}

.nav-cta:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 20px rgba(255, 255, 255, 0.4);
}

@media (min-width: 768px) {
    .nav-menu {
        position: static;
        width: auto;
        height: auto;
        background: none;
        padding: 0;
        flex-direction: row;
        align-items: center;
        gap: 32px;
        box-shadow: none;
    }
    
    .nav-menu li {
        opacity: 1;
        transform: translateX(0);
    }
    
    .nav-link {
        color: #374151;
        font-size: 16px;
        padding: 0;
    }
    
    .nav-link:hover {
        padding-left: 0;
        color: #4F46E5;
    }
    
    .nav-cta {
        background: linear-gradient(135deg, #4F46E5, #06B6D4);
        color: #ffffff;
        padding: 10px 24px;
    }
}

/* ===================================
   4. HERO SECTION
   =================================== */

.hero-section {
    padding: 120px 0 60px;
    background: linear-gradient(135deg, #EFF6FF 0%, #DBEAFE 100%);
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(79, 70, 229, 0.1), transparent);
    border-radius: 50%;
    animation: float 20s infinite ease-in-out;
}

.hero-section::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(6, 182, 212, 0.1), transparent);
    border-radius: 50%;
    animation: float 15s infinite ease-in-out reverse;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(30px, -30px) scale(1.1); }
    66% { transform: translate(-20px, 20px) scale(0.9); }
}

.hero-container {
    display: flex;
    flex-direction: column;
    gap: 40px;
    position: relative;
    z-index: 1;
}

@media (min-width: 768px) {
    .hero-section {
        padding: 140px 0 80px;
    }
    
    .hero-container {
        flex-direction: row;
        align-items: center;
        gap: 60px;
    }
}

@media (min-width: 1024px) {
    .hero-section {
        padding: 160px 0 100px;
    }
}

/* Hero Image */
.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.product-showcase {
    position: relative;
    width: 100%;
    max-width: 400px;
    animation: productFloat 6s infinite ease-in-out;
}

@keyframes productFloat {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(5deg); }
}

.product-bottle {
    width: 100%;
    filter: drop-shadow(0 20px 40px rgba(79, 70, 229, 0.3));
    position: relative;
    z-index: 2;
}

.glow-effect {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 120%;
    height: 120%;
    background: radial-gradient(circle, rgba(79, 70, 229, 0.3), rgba(6, 182, 212, 0.2), transparent);
    border-radius: 50%;
    animation: pulse 3s infinite;
    z-index: 1;
}

@keyframes pulse {
    0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.5; }
    50% { transform: translate(-50%, -50%) scale(1.2); opacity: 0.8; }
}

/* Hero Content */
.hero-content {
    flex: 1;
}

.hero-title {
    font-size: 32px;
    font-weight: 800;
    line-height: 1.2;
    color: #111827;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #4F46E5, #06B6D4);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

@media (min-width: 576px) {
    .hero-title {
        font-size: 36px;
    }
}

@media (min-width: 768px) {
    .hero-title {
        font-size: 40px;
    }
}

@media (min-width: 1024px) {
    .hero-title {
        font-size: 48px;
    }
}

.hero-description {
    font-size: 16px;
    line-height: 1.7;
    color: #4B5563;
    margin-bottom: 16px;
}

@media (min-width: 768px) {
    .hero-description {
        font-size: 17px;
    }
}

@media (min-width: 1024px) {
    .hero-description {
        font-size: 18px;
    }
}

.hero-cta {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: linear-gradient(135deg, #4F46E5, #06B6D4);
    color: #ffffff;
    padding: 16px 32px;
    border-radius: 50px;
    font-size: 18px;
    font-weight: 600;
    margin-top: 24px;
    box-shadow: 0 10px 30px rgba(79, 70, 229, 0.4);
    transition: all 0.3s ease;
    min-height: 56px;
    justify-content: center;
}

.hero-cta:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(79, 70, 229, 0.5);
}

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

@media (min-width: 768px) {
    .hero-cta {
        padding: 18px 40px;
        font-size: 19px;
    }
}

.hero-trust-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-top: 32px;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: #6B7280;
    font-weight: 500;
}

@media (min-width: 576px) {
    .trust-item {
        font-size: 15px;
    }
}

/* ===================================
   5. WHY CHOOSE US SECTION
   =================================== */

.why-choose-section {
    padding: 60px 0;
    background: #ffffff;
}

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

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

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

@media (min-width: 576px) {
    .badges-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 28px;
    }
}

@media (min-width: 992px) {
    .badges-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 30px;
    }
}

.badge-card {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.9), rgba(239, 246, 255, 0.8));
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 30px 24px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    border: 1px solid rgba(79, 70, 229, 0.1);
    opacity: 0;
    transform: translateY(50px);
}

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

.badge-card:hover {
    transform: translateY(-10px) rotate(2deg) scale(1.05);
    box-shadow: 0 15px 40px rgba(79, 70, 229, 0.2);
    border-color: rgba(79, 70, 229, 0.3);
}

.badge-icon {
    margin-bottom: 20px;
}

.badge-icon img {
    width: 80px;
    height: 80px;
    margin: 0 auto;
    filter: drop-shadow(0 4px 10px rgba(79, 70, 229, 0.3));
}

.badge-title {
    font-size: 20px;
    font-weight: 700;
    color: #111827;
    margin-bottom: 12px;
}

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

.badge-description {
    font-size: 15px;
    line-height: 1.6;
    color: #6B7280;
}

/* ===================================
   6. WHAT IS SECTION
   =================================== */

.what-is-section {
    padding: 60px 0;
    background: linear-gradient(135deg, #F9FAFB 0%, #EFF6FF 100%);
}

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

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

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

@media (min-width: 768px) {
    .what-is-content {
        flex-direction: row;
        gap: 60px;
    }
}

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

.what-is-text .section-title {
    text-align: left;
}

.what-is-text p {
    font-size: 16px;
    line-height: 1.7;
    color: #4B5563;
    margin-bottom: 20px;
}

@media (min-width: 768px) {
    .what-is-text p {
        font-size: 17px;
    }
}

.what-is-image {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.product-showcase-img {
    width: 100%;
    max-width: 500px;
    border-radius: 20px;
    box-shadow: 0 20px 50px rgba(79, 70, 229, 0.2);
}

/* ===================================
   7. HOW IT WORKS SECTION
   =================================== */

.how-it-works-section {
    padding: 60px 0;
    background: #ffffff;
}

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

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

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

.accordion-item {
    background: #ffffff;
    border-radius: 16px;
    margin-bottom: 16px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.06);
    border: 1px solid #E5E7EB;
    transition: all 0.3s ease;
}

.accordion-item:hover {
    box-shadow: 0 8px 25px rgba(79, 70, 229, 0.15);
    border-color: #4F46E5;
}

.accordion-header {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px;
    cursor: pointer;
    background: linear-gradient(135deg, #F9FAFB, #EFF6FF);
    transition: all 0.3s ease;
    min-height: 48px;
}

@media (min-width: 768px) {
    .accordion-header {
        padding: 24px;
    }
}

.accordion-header:hover {
    background: linear-gradient(135deg, #EFF6FF, #DBEAFE);
}

.accordion-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 12px;
    background: linear-gradient(135deg, #4F46E5, #06B6D4);
    color: #ffffff;
    flex-shrink: 0;
}

.accordion-title {
    flex: 1;
    font-size: 17px;
    font-weight: 600;
    color: #111827;
    text-align: left;
}

@media (min-width: 768px) {
    .accordion-title {
        font-size: 19px;
    }
}

.accordion-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    color: #4F46E5;
    transition: transform 0.3s ease;
}

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

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
    padding: 0 20px;
}

@media (min-width: 768px) {
    .accordion-content {
        padding: 0 24px;
    }
}

.accordion-item.active .accordion-content {
    max-height: 1000px;
    padding: 0 20px 24px;
}

@media (min-width: 768px) {
    .accordion-item.active .accordion-content {
        padding: 0 24px 28px;
    }
}

.accordion-content p {
    font-size: 16px;
    line-height: 1.7;
    color: #6B7280;
}

/* ===================================
   8. REVIEWS SECTION
   =================================== */

.reviews-section {
    padding: 60px 0;
    background: linear-gradient(135deg, #DBEAFE 0%, #BFDBFE 100%);
}

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

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

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

@media (min-width: 768px) {
    .reviews-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 28px;
    }
}

@media (min-width: 992px) {
    .reviews-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 30px;
    }
}

.review-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 28px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.4s ease;
    opacity: 0;
    transform: scale(0.9);
}

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

.review-card:hover {
    transform: translateY(-10px) scale(1.03);
    box-shadow: 0 20px 50px rgba(79, 70, 229, 0.25);
}

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

.review-photo {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid #4F46E5;
    box-shadow: 0 4px 15px rgba(79, 70, 229, 0.3);
}

.review-name {
    font-size: 18px;
    font-weight: 700;
    color: #111827;
    margin-bottom: 4px;
}

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

.review-rating {
    display: flex;
    gap: 4px;
    margin-bottom: 16px;
}

.review-text {
    font-size: 15px;
    line-height: 1.6;
    color: #4B5563;
    font-style: italic;
}

@media (min-width: 768px) {
    .review-text {
        font-size: 16px;
    }
}

/* ===================================
   9. PRICING SECTION
   =================================== */

.pricing-section {
    padding: 60px 0;
    background: linear-gradient(135deg, #F9FAFB 0%, #DBEAFE 100%);
    position: relative;
}

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

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

.pricing-subtitle {
    text-align: center;
    font-size: 18px;
    color: #6B7280;
    margin-bottom: 32px;
}

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

/* Countdown Timer */
.countdown-timer {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    margin-bottom: 48px;
    background: linear-gradient(135deg, #EF4444, #DC2626);
    padding: 20px;
    border-radius: 16px;
    max-width: 300px;
    margin-left: auto;
    margin-right: auto;
    box-shadow: 0 10px 30px rgba(239, 68, 68, 0.4);
}

@media (min-width: 576px) {
    .countdown-timer {
        max-width: 350px;
        padding: 24px;
    }
}

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

.timer-value {
    font-size: 36px;
    font-weight: 800;
    color: #ffffff;
    line-height: 1;
}

@media (min-width: 576px) {
    .timer-value {
        font-size: 42px;
    }
}

@media (min-width: 768px) {
    .timer-value {
        font-size: 48px;
    }
}

.timer-label {
    font-size: 12px;
    color: #FEE2E2;
    text-transform: uppercase;
    font-weight: 600;
    margin-top: 4px;
}

@media (min-width: 576px) {
    .timer-label {
        font-size: 13px;
    }
}

.timer-separator {
    font-size: 36px;
    font-weight: 800;
    color: #ffffff;
    line-height: 1;
    margin-bottom: 16px;
}

@media (min-width: 576px) {
    .timer-separator {
        font-size: 42px;
    }
}

@media (min-width: 768px) {
    .timer-separator {
        font-size: 48px;
    }
}

/* Pricing Grid */
.pricing-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
    margin-bottom: 40px;
}

@media (min-width: 576px) {
    .pricing-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
}

@media (min-width: 992px) {
    .pricing-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 24px;
    }
}

.pricing-card {
    background: #ffffff;
    border-radius: 20px;
    padding: 30px 24px;
    text-align: center;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 2px solid transparent;
    position: relative;
}

.pricing-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 45px rgba(79, 70, 229, 0.2);
    border-color: #4F46E5;
}

.pricing-card.popular {
    border: 3px solid #4F46E5;
    background: linear-gradient(135deg, #EFF6FF, #DBEAFE);
    transform: scale(1.05);
}

@media (min-width: 992px) {
    .pricing-card.popular {
        transform: scale(1.08);
    }
}

.pricing-card.popular:hover {
    transform: scale(1.08) translateY(-5px);
}

@media (min-width: 992px) {
    .pricing-card.popular:hover {
        transform: scale(1.11) translateY(-5px);
    }
}

.popular-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, #4F46E5, #06B6D4);
    color: #ffffff;
    padding: 6px 20px;
    border-radius: 50px;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    box-shadow: 0 4px 15px rgba(79, 70, 229, 0.4);
}

.pricing-label {
    font-size: 14px;
    font-weight: 700;
    color: #6B7280;
    text-transform: uppercase;
    margin-bottom: 8px;
}

.pricing-bottles {
    font-size: 24px;
    font-weight: 800;
    color: #111827;
    margin-bottom: 4px;
}

@media (min-width: 768px) {
    .pricing-bottles {
        font-size: 26px;
    }
}

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

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

.pricing-image img {
    width: 100%;
    max-width: 180px;
    margin: 0 auto;
}

.pricing-price-per {
    font-size: 32px;
    font-weight: 800;
    color: #4F46E5;
    margin-bottom: 12px;
}

@media (min-width: 768px) {
    .pricing-price-per {
        font-size: 36px;
    }
}

.pricing-price-per span {
    font-size: 18px;
    color: #6B7280;
    font-weight: 600;
}

.pricing-total {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

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

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

@media (min-width: 768px) {
    .new-price {
        font-size: 32px;
    }
}

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

.bonus-badge {
    background: linear-gradient(135deg, #10B981, #059669);
    color: #ffffff;
    padding: 8px 12px;
    border-radius: 50px;
    font-size: 13px;
    font-weight: 600;
}

.pricing-cta {
    display: block;
    width: 100%;
    background: linear-gradient(135deg, #4F46E5, #06B6D4);
    color: #ffffff;
    padding: 16px 24px;
    border-radius: 50px;
    font-size: 17px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 20px;
    box-shadow: 0 8px 25px rgba(79, 70, 229, 0.4);
    transition: all 0.3s ease;
    min-height: 54px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.pricing-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 35px rgba(79, 70, 229, 0.5);
}

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

@media (min-width: 768px) {
    .pricing-cta {
        font-size: 18px;
        padding: 18px 28px;
        min-height: 58px;
    }
}

.payment-logos img {
    width: 100%;
    max-width: 200px;
    margin: 0 auto;
    opacity: 0.7;
}

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

.star-rating-img {
    max-width: 250px;
    margin: 0 auto;
}

/* ===================================
   10. INGREDIENTS SECTION
   =================================== */

.ingredients-section {
    padding: 60px 0;
    background: #ffffff;
}

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

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

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

@media (min-width: 768px) {
    .ingredients-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 28px;
    }
}

.ingredient-card {
    background: linear-gradient(135deg, #F9FAFB, #EFF6FF);
    border-radius: 16px;
    padding: 24px;
    border-left: 4px solid #4F46E5;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease;
}

.ingredient-card:hover {
    transform: translateX(5px);
    box-shadow: 0 8px 25px rgba(79, 70, 229, 0.15);
    border-left-color: #06B6D4;
}

.ingredient-name {
    font-size: 19px;
    font-weight: 700;
    color: #111827;
    margin-bottom: 12px;
}

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

.ingredient-description {
    font-size: 15px;
    line-height: 1.6;
    color: #4B5563;
    margin-bottom: 12px;
}

.ingredient-benefits {
    font-size: 15px;
    line-height: 1.6;
    color: #6B7280;
}

.ingredient-benefits strong {
    color: #4F46E5;
}

/* ===================================
   11. SCIENTIFIC EVIDENCE SECTION
   =================================== */

.scientific-section {
    padding: 60px 0;
    background: linear-gradient(135deg, #DBEAFE 0%, #BFDBFE 100%);
}

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

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

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

.scientific-intro p {
    font-size: 16px;
    line-height: 1.7;
    color: #4B5563;
}

@media (min-width: 768px) {
    .scientific-intro p {
        font-size: 17px;
    }
}

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

.evidence-item {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 16px;
    margin-bottom: 16px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(79, 70, 229, 0.2);
}

.evidence-header {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    cursor: pointer;
    background: linear-gradient(135deg, rgba(239, 246, 255, 0.8), rgba(219, 234, 254, 0.8));
    transition: all 0.3s ease;
    min-height: 48px;
}

@media (min-width: 768px) {
    .evidence-header {
        padding: 24px;
    }
}

.evidence-header:hover {
    background: linear-gradient(135deg, rgba(219, 234, 254, 1), rgba(191, 219, 254, 1));
}

.evidence-title {
    font-size: 17px;
    font-weight: 600;
    color: #111827;
    flex: 1;
    text-align: left;
}

@media (min-width: 768px) {
    .evidence-title {
        font-size: 19px;
    }
}

.evidence-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    color: #4F46E5;
    transition: transform 0.3s ease;
}

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

.evidence-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
    padding: 0 20px;
}

@media (min-width: 768px) {
    .evidence-content {
        padding: 0 24px;
    }
}

.evidence-item.active .evidence-content {
    max-height: 2000px;
    padding: 0 20px 24px;
}

@media (min-width: 768px) {
    .evidence-item.active .evidence-content {
        padding: 0 24px 28px;
    }
}

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

@media (min-width: 768px) {
    .evidence-content p {
        font-size: 16px;
    }
}

.evidence-content em {
    color: #6366F1;
    font-style: italic;
}

/* ===================================
   12. GUARANTEE SECTION
   =================================== */

.guarantee-section {
    padding: 60px 0;
    background: linear-gradient(135deg, #F0FDF4 0%, #DCFCE7 100%);
}

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

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

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

@media (min-width: 768px) {
    .guarantee-content {
        flex-direction: row;
        gap: 60px;
    }
}

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

.guarantee-image img {
    width: 100%;
    max-width: 300px;
    margin: 0 auto;
    filter: drop-shadow(0 10px 30px rgba(16, 185, 129, 0.3));
}

@media (min-width: 768px) {
    .guarantee-image img {
        max-width: 350px;
    }
}

.guarantee-text {
    flex: 1;
}

.guarantee-text .section-title {
    text-align: left;
    color: #047857;
}

@media (max-width: 767px) {
    .guarantee-text .section-title {
        text-align: center;
    }
}

.guarantee-points {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

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

@media (max-width: 575px) {
    .guarantee-point {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
}

.point-icon {
    flex-shrink: 0;
}

.point-content h3 {
    font-size: 20px;
    font-weight: 700;
    color: #111827;
    margin-bottom: 12px;
}

@media (min-width: 768px) {
    .point-content h3 {
        font-size: 22px;
    }
}

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

@media (min-width: 768px) {
    .point-content p {
        font-size: 16px;
    }
}

/* ===================================
   13. BENEFITS SECTION
   =================================== */

.benefits-section {
    padding: 60px 0;
    background: #ffffff;
}

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

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

.benefits-list {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.benefit-item {
    display: flex;
    gap: 20px;
    background: linear-gradient(135deg, #F9FAFB, #EFF6FF);
    padding: 24px;
    border-radius: 16px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease;
}

.benefit-item:hover {
    transform: translateX(10px);
    box-shadow: 0 8px 25px rgba(79, 70, 229, 0.15);
}

.benefit-icon {
    flex-shrink: 0;
    display: flex;
    align-items: flex-start;
}

.benefit-text h3 {
    font-size: 19px;
    font-weight: 700;
    color: #111827;
    margin-bottom: 8px;
}

@media (min-width: 768px) {
    .benefit-text h3 {
        font-size: 20px;
    }
}

.benefit-text p {
    font-size: 15px;
    line-height: 1.6;
    color: #6B7280;
}

@media (min-width: 768px) {
    .benefit-text p {
        font-size: 16px;
    }
}

/* ===================================
   14. FAQ SECTION
   =================================== */

.faq-section {
    padding: 60px 0;
    background: linear-gradient(135deg, #F9FAFB 0%, #DBEAFE 100%);
}

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

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

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

.faq-item {
    background: #ffffff;
    border-radius: 16px;
    margin-bottom: 16px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.06);
    border: 1px solid #E5E7EB;
}

.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    cursor: pointer;
    background: #ffffff;
    font-size: 17px;
    font-weight: 600;
    color: #111827;
    text-align: left;
    transition: all 0.3s ease;
    min-height: 48px;
}

@media (min-width: 768px) {
    .faq-question {
        padding: 24px;
        font-size: 18px;
    }
}

.faq-question:hover {
    background: #F9FAFB;
    color: #4F46E5;
}

.faq-icon {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #4F46E5;
    transition: transform 0.3s ease;
}

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

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
    padding: 0 20px;
}

@media (min-width: 768px) {
    .faq-answer {
        padding: 0 24px;
    }
}

.faq-item.active .faq-answer {
    max-height: 1000px;
    padding: 0 20px 24px;
}

@media (min-width: 768px) {
    .faq-item.active .faq-answer {
        padding: 0 24px 28px;
    }
}

.faq-answer p {
    font-size: 15px;
    line-height: 1.7;
    color: #6B7280;
}

@media (min-width: 768px) {
    .faq-answer p {
        font-size: 16px;
    }
}

/* ===================================
   15. FINAL CTA SECTION
   =================================== */

.final-cta-section {
    padding: 60px 0;
    background: linear-gradient(135deg, #4F46E5 0%, #06B6D4 100%);
    color: #ffffff;
}

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

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

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

@media (min-width: 768px) {
    .final-cta-content {
        flex-direction: row;
        gap: 60px;
    }
}

.final-cta-image {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.final-product-image {
    width: 100%;
    max-width: 400px;
    filter: drop-shadow(0 20px 50px rgba(0, 0, 0, 0.3));
    animation: finalFloat 4s infinite ease-in-out;
}

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

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

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

.final-cta-text h2 {
    font-size: 28px;
    font-weight: 800;
    margin-bottom: 32px;
    line-height: 1.2;
}

@media (min-width: 576px) {
    .final-cta-text h2 {
        font-size: 32px;
    }
}

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

@media (min-width: 1024px) {
    .final-cta-text h2 {
        font-size: 42px;
    }
}

.final-pricing {
    margin-bottom: 32px;
}

.final-regular-price {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-bottom: 12px;
    font-size: 18px;
}

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

.strikethrough {
    text-decoration: line-through;
    opacity: 0.7;
}

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

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

.final-special-price .price-value {
    font-size: 36px;
    font-weight: 800;
    color: #FDE047;
}

@media (min-width: 768px) {
    .final-special-price .price-value {
        font-size: 42px;
    }
}

.final-cta-button {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: #ffffff;
    color: #4F46E5;
    padding: 18px 40px;
    border-radius: 50px;
    font-size: 19px;
    font-weight: 700;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
    min-height: 60px;
    justify-content: center;
}

.final-cta-button:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.4);
}

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

@media (min-width: 768px) {
    .final-cta-button {
        font-size: 20px;
        padding: 20px 48px;
    }
}

.final-trust-indicators {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
    margin-top: 32px;
}

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

.trust-indicator {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 15px;
    color: #ffffff;
    font-weight: 500;
}

/* ===================================
   16. FOOTER
   =================================== */

.footer {
    background: #1F2937;
    color: #D1D5DB;
    padding: 60px 0 30px;
}

.footer-content {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
}

.footer-links a {
    color: #D1D5DB;
    font-size: 15px;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #06B6D4;
}

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

.footer-disclaimer p {
    font-size: 14px;
    line-height: 1.6;
    color: #9CA3AF;
    margin-bottom: 12px;
}

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

.social-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    color: #D1D5DB;
    transition: all 0.3s ease;
}

.social-icon:hover {
    background: linear-gradient(135deg, #4F46E5, #06B6D4);
    color: #ffffff;
    transform: translateY(-3px);
}

.footer-copyright {
    text-align: center;
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-copyright p {
    font-size: 14px;
    color: #9CA3AF;
}

/* ===================================
   17. SCROLL TO TOP BUTTON
   =================================== */

.scroll-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, #4F46E5, #06B6D4);
    color: #ffffff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 25px rgba(79, 70, 229, 0.4);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 999;
}

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

.scroll-to-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 35px rgba(79, 70, 229, 0.5);
}

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

/* ===================================
   18. PURCHASE NOTIFICATION POPUP
   =================================== */

.purchase-notification {
    position: fixed;
    bottom: -100px;
    left: 20px;
    right: 20px;
    max-width: 400px;
    background: #ffffff;
    border-radius: 12px;
    padding: 16px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    z-index: 998;
    transition: bottom 0.4s ease;
}

@media (min-width: 576px) {
    .purchase-notification {
        left: 30px;
        right: auto;
    }
}

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

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

.notification-icon {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #D1FAE5;
    border-radius: 50%;
}

.notification-text {
    flex: 1;
    font-size: 14px;
    color: #1F2937;
}

.notification-text strong {
    display: block;
    color: #111827;
    font-weight: 600;
    margin-bottom: 2px;
}

.notification-close {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #9CA3AF;
    font-size: 24px;
    cursor: pointer;
    transition: color 0.3s ease;
}

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

/* ===================================
   19. CTA POPUP
   =================================== */

.cta-popup {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 9999;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

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

.popup-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(5px);
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.popup-content {
    position: relative;
    background: #ffffff;
    border-radius: 24px;
    max-width: 500px;
    width: 100%;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: slideUp 0.4s ease;
    z-index: 1;
}

@keyframes slideUp {
    from { 
        opacity: 0;
        transform: translateY(50px) scale(0.9);
    }
    to { 
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.popup-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.05);
    border-radius: 50%;
    color: #6B7280;
    transition: all 0.3s ease;
    z-index: 2;
}

.popup-close:hover {
    background: #EF4444;
    color: #ffffff;
    transform: rotate(90deg);
}

.popup-body {
    padding: 48px 32px 32px;
    text-align: center;
}

.popup-icon {
    margin-bottom: 24px;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.popup-title {
    font-size: 26px;
    font-weight: 800;
    color: #111827;
    margin-bottom: 16px;
    line-height: 1.2;
}

@media (min-width: 576px) {
    .popup-title {
        font-size: 28px;
    }
}

.popup-description {
    font-size: 16px;
    line-height: 1.6;
    color: #6B7280;
    margin-bottom: 24px;
}

.popup-description strong {
    color: #EF4444;
    font-size: 20px;
}

.popup-timer {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    margin-bottom: 28px;
    background: linear-gradient(135deg, #EF4444, #DC2626);
    padding: 16px 24px;
    border-radius: 12px;
    max-width: 180px;
    margin-left: auto;
    margin-right: auto;
}

.popup-timer-value {
    font-size: 36px;
    font-weight: 800;
    color: #ffffff;
}

.popup-timer-separator {
    font-size: 36px;
    font-weight: 800;
    color: #ffffff;
}

.popup-cta {
    display: block;
    width: 100%;
    background: linear-gradient(135deg, #4F46E5, #06B6D4);
    color: #ffffff;
    padding: 18px 32px;
    border-radius: 50px;
    font-size: 18px;
    font-weight: 700;
    text-align: center;
    box-shadow: 0 10px 30px rgba(79, 70, 229, 0.4);
    transition: all 0.3s ease;
    margin-bottom: 20px;
    min-height: 58px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.popup-cta:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(79, 70, 229, 0.5);
}

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

.popup-guarantee {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 14px;
    color: #10B981;
    font-weight: 600;
}

/* ===================================
   20. ACCESSIBILITY & ANIMATIONS
   =================================== */

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

/* Focus styles for accessibility */
a:focus,
button:focus,
input:focus,
select:focus,
textarea:focus {
    outline: 2px solid #4F46E5;
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .hero-section,
    .why-choose-section,
    .pricing-section,
    .benefits-section {
        border: 1px solid currentColor;
    }
}

/* ===================================
   21. PRINT STYLES
   =================================== */

@media print {
    .navbar,
    .scroll-to-top,
    .purchase-notification,
    .cta-popup {
        display: none !important;
    }
    
    body {
        background: #ffffff;
        color: #000000;
    }
    
    .hero-section,
    .pricing-section {
        page-break-inside: avoid;
    }
}