/* ===================================
   SLIM BOOST TEA - MODERN GRADIENT DESIGN
   Mobile-First Responsive CSS
   =================================== */

/* ===================================
   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', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.7;
    color: #2d3748;
    background: #ffffff;
    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;
}

ul {
    list-style: none;
}

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

/* ===================================
   2. CONTAINER & LAYOUT
   =================================== */

.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;
    }
}

/* ===================================
   3. TYPOGRAPHY
   =================================== */

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.3;
    color: #1a202c;
    margin-bottom: 1rem;
}

h1 {
    font-size: 28px;
}

h2 {
    font-size: 24px;
}

h3 {
    font-size: 20px;
}

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

@media (min-width: 768px) {
    h1 { font-size: 40px; }
    h2 { font-size: 32px; }
    h3 { font-size: 24px; }
}

@media (min-width: 1024px) {
    h1 { font-size: 48px; }
    h2 { font-size: 36px; }
    h3 { font-size: 26px; }
}

/* ===================================
   4. SECTION STYLES
   =================================== */

section {
    padding: 60px 0;
    position: relative;
}

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

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

.section-heading {
    text-align: center;
    background: linear-gradient(135deg, #4F46E5 0%, #06B6D4 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
}

.section-subheading {
    text-align: center;
    font-size: 18px;
    color: #4a5568;
    margin-bottom: 2rem;
}

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

/* ===================================
   5. NAVIGATION MENU
   =================================== */

.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transition: all 0.3s ease;
}

.header.scrolled {
    padding: 10px 0;
    box-shadow: 0 2px 30px rgba(0, 0, 0, 0.15);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    max-width: 1400px;
    margin: 0 auto;
}

.logo-text {
    font-size: 24px;
    font-weight: 800;
    background: linear-gradient(135deg, #4F46E5 0%, #06B6D4 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

@media (min-width: 768px) {
    .logo-text {
        font-size: 28px;
    }
}

/* Hamburger Menu */
.hamburger {
    display: flex;
    flex-direction: column;
    gap: 5px;
    padding: 10px;
    z-index: 1001;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: linear-gradient(135deg, #4F46E5 0%, #06B6D4 100%);
    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 0%, #06B6D4 100%);
    display: flex;
    flex-direction: column;
    padding: 80px 30px 30px;
    gap: 20px;
    transition: right 0.4s ease;
    box-shadow: -5px 0 20px rgba(0, 0, 0, 0.2);
}

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

.nav-menu li {
    opacity: 0;
    transform: translateX(20px);
    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: 600;
    padding: 12px 0;
    display: block;
    transition: all 0.3s ease;
}

.nav-link:hover {
    transform: translateX(5px);
    opacity: 0.8;
}

.nav-btn-wrapper {
    margin-top: 20px;
}

.nav-cta-btn {
    background: #ffffff;
    color: #4F46E5;
    padding: 14px 30px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 16px;
    transition: all 0.3s ease;
    display: block;
    text-align: center;
    width: 100%;
}

.nav-cta-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

@media (min-width: 768px) {
    .nav-menu {
        position: static;
        width: auto;
        height: auto;
        background: transparent;
        flex-direction: row;
        padding: 0;
        gap: 30px;
        box-shadow: none;
        align-items: center;
    }

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

    .nav-link {
        color: #2d3748;
        font-size: 16px;
        padding: 0;
    }

    .nav-link:hover {
        color: #4F46E5;
        transform: translateX(0);
    }

    .nav-btn-wrapper {
        margin-top: 0;
    }

    .nav-cta-btn {
        background: linear-gradient(135deg, #4F46E5 0%, #06B6D4 100%);
        color: #ffffff;
        padding: 12px 28px;
        width: auto;
    }
}

/* ===================================
   6. HERO SECTION
   =================================== */

.hero-section {
    margin-top: 70px;
    background: linear-gradient(135deg, #f7fafc 0%, #e6f7ff 100%);
    padding: 60px 0;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(79, 70, 229, 0.1) 0%, transparent 70%);
    animation: float 8s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    33% { transform: translate(30px, -30px) rotate(5deg); }
    66% { transform: translate(-20px, 20px) rotate(-5deg); }
}

.hero-container {
    display: flex;
    flex-direction: column;
    gap: 40px;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
    z-index: 1;
}

.hero-image {
    width: 100%;
    max-width: 400px;
    animation: productFloat 6s ease-in-out infinite;
}

@keyframes productFloat {
    0%, 100% { 
        transform: translateY(0) rotate(0deg); 
    }
    50% { 
        transform: translateY(-20px) rotate(2deg); 
    }
}

.product-image-hero {
    filter: drop-shadow(0 20px 40px rgba(79, 70, 229, 0.3));
    transition: all 0.3s ease;
}

.product-image-hero:hover {
    transform: scale(1.05);
}

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

.hero-title {
    font-size: 32px;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    animation: fadeInUp 0.8s ease;
}

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

.hero-description {
    font-size: 16px;
    line-height: 1.8;
    color: #4a5568;
    margin-bottom: 1.5rem;
    animation: fadeInUp 1s ease;
}

.hero-cta-btn {
    background: linear-gradient(135deg, #4F46E5 0%, #06B6D4 100%);
    color: #ffffff;
    padding: 18px 40px;
    border-radius: 50px;
    font-size: 18px;
    font-weight: 700;
    display: inline-block;
    transition: all 0.3s ease;
    box-shadow: 0 10px 30px rgba(79, 70, 229, 0.3);
    min-height: 56px;
    animation: fadeInUp 1.2s ease;
}

.hero-cta-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(79, 70, 229, 0.4);
}

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

@media (min-width: 768px) {
    .hero-container {
        flex-direction: row;
        gap: 60px;
        text-align: left;
    }

    .hero-image {
        max-width: 500px;
    }

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

    .hero-title {
        font-size: 48px;
    }

    .hero-description {
        font-size: 18px;
    }
}

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

    .hero-title {
        font-size: 56px;
    }
}

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

.why-choose-section {
    background: #ffffff;
}

.badges-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
    margin-top: 50px;
}

.badge-card {
    background: linear-gradient(135deg, #ffffff 0%, #f7fafc 100%);
    border-radius: 20px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.4s ease;
    opacity: 0;
    transform: translateY(30px);
}

.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);
}

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

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

.badge-title {
    font-size: 20px;
    font-weight: 800;
    background: linear-gradient(135deg, #4F46E5 0%, #06B6D4 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 15px;
}

.badge-description {
    font-size: 15px;
    line-height: 1.7;
    color: #4a5568;
}

@media (min-width: 576px) {
    .badges-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 25px;
    }
}

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

/* ===================================
   8. WHAT IS SECTION
   =================================== */

.what-is-section {
    background: linear-gradient(135deg, #f7fafc 0%, #e6f7ff 100%);
}

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

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

.what-is-text p {
    font-size: 16px;
    line-height: 1.8;
    color: #4a5568;
    margin-bottom: 1.5rem;
}

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

.what-is-image img {
    border-radius: 20px;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
}

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

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

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

    .what-is-text p {
        font-size: 17px;
    }
}

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

.how-it-works-section {
    background: #ffffff;
}

.accordion-container {
    max-width: 900px;
    margin: 50px auto 0;
}

.accordion-item {
    background: #ffffff;
    border: 2px solid #e2e8f0;
    border-radius: 15px;
    margin-bottom: 20px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.accordion-item:hover {
    border-color: #4F46E5;
    box-shadow: 0 5px 20px rgba(79, 70, 229, 0.1);
}

.accordion-header {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    background: linear-gradient(135deg, #f7fafc 0%, #ffffff 100%);
    cursor: pointer;
    transition: all 0.3s ease;
    min-height: 60px;
}

.accordion-header:hover {
    background: linear-gradient(135deg, #e6f7ff 0%, #f7fafc 100%);
}

.accordion-header h3 {
    font-size: 18px;
    color: #2d3748;
    margin: 0;
    flex: 1;
    text-align: left;
}

.accordion-icon {
    font-size: 28px;
    font-weight: 300;
    color: #4F46E5;
    transition: transform 0.3s ease;
    min-width: 30px;
    text-align: center;
}

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

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

.accordion-item.active .accordion-content {
    max-height: 1000px;
}

.accordion-content p {
    padding: 25px;
    font-size: 16px;
    line-height: 1.8;
    color: #4a5568;
    margin: 0;
}

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

    .accordion-content p {
        font-size: 17px;
    }
}

/* ===================================
   10. CUSTOMER REVIEWS SECTION
   =================================== */

.reviews-section {
    background: linear-gradient(135deg, #f7fafc 0%, #e6f7ff 100%);
}

.reviews-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
    margin-top: 50px;
}

.review-card {
    background: #ffffff;
    border-radius: 20px;
    padding: 35px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    text-align: center;
    transition: all 0.4s ease;
    opacity: 0;
    transform: scale(0.9);
}

.review-card.visible {
    opacity: 1;
    transform: scale(1);
    animation: reviewPop 0.6s ease;
}

@keyframes reviewPop {
    0% {
        opacity: 0;
        transform: scale(0.8) rotate(-5deg);
    }
    50% {
        transform: scale(1.05) rotate(2deg);
    }
    100% {
        opacity: 1;
        transform: scale(1) rotate(0deg);
    }
}

.review-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(79, 70, 229, 0.2);
}

.reviewer-image {
    width: 100px;
    height: 100px;
    margin: 0 auto 20px;
    border-radius: 50%;
    overflow: hidden;
    border: 4px solid #4F46E5;
    box-shadow: 0 5px 20px rgba(79, 70, 229, 0.3);
}

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

.reviewer-name {
    font-size: 20px;
    font-weight: 700;
    color: #2d3748;
    margin-bottom: 5px;
}

.reviewer-location {
    font-size: 14px;
    color: #718096;
    margin-bottom: 15px;
}

.rating {
    margin-bottom: 20px;
}

.rating span {
    color: #F59E0B;
    font-size: 24px;
    letter-spacing: 3px;
}

.review-text {
    font-size: 15px;
    line-height: 1.8;
    color: #4a5568;
    font-style: italic;
}

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

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

/* ===================================
   11. PRICING SECTION
   =================================== */

.pricing-section {
    background: linear-gradient(135deg, #1a202c 0%, #2d3748 100%);
    color: #ffffff;
}

.pricing-section .section-heading {
    color: #ffffff;
    -webkit-text-fill-color: #ffffff;
}

.pricing-section .section-subheading {
    color: #cbd5e0;
}

/* Countdown Timer */
.countdown-timer {
    max-width: 500px;
    margin: 40px auto;
    text-align: center;
}

.timer-label {
    font-size: 18px;
    font-weight: 600;
    color: #F59E0B;
    margin-bottom: 15px;
}

.timer-display {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 15px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 25px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

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

.timer-value {
    font-size: 48px;
    font-weight: 800;
    color: #F59E0B;
    line-height: 1;
    min-width: 80px;
}

.timer-text {
    font-size: 14px;
    color: #cbd5e0;
    margin-top: 5px;
}

.timer-separator {
    font-size: 48px;
    font-weight: 700;
    color: #F59E0B;
}

@media (min-width: 768px) {
    .timer-value {
        font-size: 60px;
    }

    .timer-separator {
        font-size: 60px;
    }
}

/* Pricing Grid */
.pricing-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
    margin-top: 50px;
}

.pricing-card {
    background: #ffffff;
    border-radius: 25px;
    padding: 40px 30px;
    text-align: center;
    position: relative;
    transition: all 0.4s ease;
    color: #2d3748;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(79, 70, 229, 0.3);
}

.pricing-card.popular {
    background: linear-gradient(135deg, #4F46E5 0%, #06B6D4 100%);
    color: #ffffff;
    transform: scale(1.05);
    border: 3px solid #F59E0B;
}

.pricing-card.popular:hover {
    transform: scale(1.08) translateY(-10px);
}

.popular-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: #F59E0B;
    color: #ffffff;
    padding: 8px 25px;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 800;
    letter-spacing: 1px;
    box-shadow: 0 5px 20px rgba(245, 158, 11, 0.5);
}

.pricing-label {
    font-size: 16px;
    font-weight: 700;
    color: #4F46E5;
    margin-bottom: 10px;
    letter-spacing: 2px;
}

.pricing-card.popular .pricing-label {
    color: #ffffff;
}

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

.pricing-supply {
    font-size: 15px;
    color: #718096;
    margin-bottom: 25px;
}

.pricing-card.popular .pricing-supply {
    color: rgba(255, 255, 255, 0.9);
}

.pricing-image {
    margin: 25px 0;
}

.pricing-image img {
    max-width: 200px;
    margin: 0 auto;
    filter: drop-shadow(0 10px 20px rgba(0, 0, 0, 0.2));
}

.pricing-amount {
    margin: 25px 0;
}

.price-per-bottle {
    font-size: 48px;
    font-weight: 900;
    color: #4F46E5;
    display: block;
}

.pricing-card.popular .price-per-bottle {
    color: #ffffff;
}

.price-label {
    font-size: 14px;
    color: #718096;
}

.pricing-card.popular .price-label {
    color: rgba(255, 255, 255, 0.8);
}

.pricing-total {
    margin: 20px 0;
    font-size: 20px;
}

.original-price {
    text-decoration: line-through;
    color: #a0aec0;
    margin-right: 10px;
}

.discounted-price {
    font-size: 32px;
    font-weight: 800;
    color: #10B981;
}

.pricing-card.popular .discounted-price {
    color: #F59E0B;
}

.bonus-badges {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin: 20px 0;
}

.bonus-badge {
    background: #10B981;
    color: #ffffff;
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.5px;
}

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

.pricing-btn {
    background: linear-gradient(135deg, #4F46E5 0%, #06B6D4 100%);
    color: #ffffff;
    padding: 18px 40px;
    border-radius: 50px;
    font-size: 18px;
    font-weight: 700;
    display: block;
    transition: all 0.3s ease;
    min-height: 56px;
    line-height: 20px;
    margin: 25px 0;
}

.pricing-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 10px 30px rgba(79, 70, 229, 0.4);
}

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

.pricing-card.popular .pricing-btn {
    background: #ffffff;
    color: #4F46E5;
}

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

.payment-logos img {
    max-width: 250px;
    margin: 0 auto;
    opacity: 0.8;
}

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

.rating-image {
    max-width: 200px;
    margin: 0 auto;
}

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

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

/* ===================================
   12. INGREDIENTS SECTION
   =================================== */

.ingredients-section {
    background: #ffffff;
}

.ingredients-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 25px;
    margin-top: 50px;
}

.ingredient-card {
    background: linear-gradient(135deg, #f7fafc 0%, #ffffff 100%);
    border-radius: 20px;
    padding: 30px;
    border: 2px solid #e2e8f0;
    transition: all 0.3s ease;
}

.ingredient-card:hover {
    border-color: #4F46E5;
    box-shadow: 0 10px 30px rgba(79, 70, 229, 0.15);
    transform: translateY(-5px);
}

.ingredient-name {
    font-size: 22px;
    font-weight: 800;
    background: linear-gradient(135deg, #4F46E5 0%, #06B6D4 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 15px;
}

.ingredient-description {
    font-size: 15px;
    line-height: 1.7;
    color: #4a5568;
    margin-bottom: 15px;
}

.ingredient-benefits {
    font-size: 15px;
    line-height: 1.7;
    color: #2d3748;
    background: #e6f7ff;
    padding: 15px;
    border-radius: 10px;
    border-left: 4px solid #4F46E5;
}

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

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

/* ===================================
   13. SCIENTIFIC EVIDENCE SECTION
   =================================== */

.scientific-section {
    background: linear-gradient(135deg, #f7fafc 0%, #e6f7ff 100%);
}

.scientific-content {
    max-width: 1000px;
    margin: 50px auto 0;
}

.scientific-item {
    background: #ffffff;
    border-radius: 20px;
    padding: 35px;
    margin-bottom: 30px;
    border-left: 5px solid #4F46E5;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.scientific-item:hover {
    transform: translateX(10px);
    box-shadow: 0 10px 30px rgba(79, 70, 229, 0.2);
}

.scientific-title {
    font-size: 22px;
    font-weight: 800;
    color: #4F46E5;
    margin-bottom: 15px;
}

.scientific-text {
    font-size: 16px;
    line-height: 1.8;
    color: #4a5568;
}

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

/* ===================================
   14. MONEY BACK GUARANTEE SECTION
   =================================== */

.guarantee-section {
    background: linear-gradient(135deg, #10B981 0%, #059669 100%);
    color: #ffffff;
}

.guarantee-section .section-heading {
    color: #ffffff;
    -webkit-text-fill-color: #ffffff;
}

.guarantee-content {
    display: flex;
    flex-direction: column;
    gap: 40px;
    align-items: center;
    margin-top: 50px;
}

.guarantee-image {
    width: 100%;
    max-width: 400px;
}

.guarantee-image img {
    filter: drop-shadow(0 15px 40px rgba(0, 0, 0, 0.3));
}

.guarantee-text {
    flex: 1;
}

.guarantee-point {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 30px;
    margin-bottom: 25px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.guarantee-point:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateX(10px);
}

.guarantee-point h3 {
    font-size: 22px;
    color: #ffffff;
    margin-bottom: 15px;
}

.guarantee-point p {
    font-size: 16px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.9);
}

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

    .guarantee-image {
        max-width: 450px;
    }
}

/* ===================================
   15. BENEFITS SECTION
   =================================== */

.benefits-section {
    background: #ffffff;
}

.benefits-list {
    max-width: 900px;
    margin: 50px auto 0;
}

.benefit-item {
    display: flex;
    gap: 20px;
    align-items: flex-start;
    background: linear-gradient(135deg, #f7fafc 0%, #ffffff 100%);
    border-radius: 15px;
    padding: 25px;
    margin-bottom: 20px;
    border: 2px solid #e2e8f0;
    transition: all 0.3s ease;
}

.benefit-item:hover {
    border-color: #10B981;
    box-shadow: 0 10px 30px rgba(16, 185, 129, 0.15);
    transform: translateX(10px);
}

.benefit-icon {
    width: 40px;
    height: 40px;
    min-width: 40px;
    background: linear-gradient(135deg, #10B981 0%, #059669 100%);
    color: #ffffff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 700;
}

.benefit-text h3 {
    font-size: 20px;
    color: #2d3748;
    margin-bottom: 8px;
}

.benefit-text p {
    font-size: 15px;
    line-height: 1.7;
    color: #4a5568;
    margin: 0;
}

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

    .benefit-text p {
        font-size: 16px;
    }
}

/* ===================================
   16. FAQ SECTION
   =================================== */

.faq-section {
    background: linear-gradient(135deg, #f7fafc 0%, #e6f7ff 100%);
}

.faq-container {
    max-width: 900px;
    margin: 50px auto 0;
}

.faq-item {
    background: #ffffff;
    border-radius: 15px;
    margin-bottom: 20px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.faq-item:hover {
    box-shadow: 0 10px 30px rgba(79, 70, 229, 0.15);
}

.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 25px;
    background: #ffffff;
    cursor: pointer;
    transition: all 0.3s ease;
    min-height: 60px;
}

.faq-question:hover {
    background: #f7fafc;
}

.faq-question h3 {
    font-size: 18px;
    color: #2d3748;
    margin: 0;
    flex: 1;
    text-align: left;
}

.faq-icon {
    font-size: 28px;
    font-weight: 300;
    color: #4F46E5;
    transition: transform 0.3s ease;
    min-width: 30px;
    text-align: center;
}

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

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

.faq-item.active .faq-answer {
    max-height: 1000px;
}

.faq-answer p {
    padding: 0 25px 25px;
    font-size: 16px;
    line-height: 1.8;
    color: #4a5568;
    margin: 0;
}

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

    .faq-answer p {
        font-size: 17px;
    }
}

/* ===================================
   17. FINAL CTA SECTION
   =================================== */

.final-cta-section {
    background: linear-gradient(135deg, #1a202c 0%, #2d3748 100%);
    color: #ffffff;
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.final-cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(79, 70, 229, 0.2) 0%, transparent 70%);
    animation: rotate 20s linear infinite;
}

@keyframes rotate {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.final-cta-content {
    display: flex;
    flex-direction: column;
    gap: 40px;
    align-items: center;
    position: relative;
    z-index: 1;
}

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

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

.final-cta-image img {
    filter: drop-shadow(0 20px 50px rgba(79, 70, 229, 0.5));
}

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

.final-cta-heading {
    font-size: 32px;
    color: #ffffff;
    margin-bottom: 30px;
}

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

.final-regular-price {
    font-size: 18px;
    color: #a0aec0;
    margin-bottom: 10px;
}

.final-regular-price span {
    text-decoration: line-through;
}

.final-special-price {
    font-size: 42px;
    font-weight: 900;
    color: #F59E0B;
}

.final-special-price strong {
    color: #10B981;
}

.final-cta-btn {
    background: linear-gradient(135deg, #10B981 0%, #059669 100%);
    color: #ffffff;
    padding: 20px 50px;
    border-radius: 50px;
    font-size: 20px;
    font-weight: 800;
    display: inline-block;
    transition: all 0.3s ease;
    box-shadow: 0 15px 40px rgba(16, 185, 129, 0.4);
    min-height: 60px;
    animation: buttonPulse 2s ease-in-out infinite;
}

@keyframes buttonPulse {
    0%, 100% {
        box-shadow: 0 15px 40px rgba(16, 185, 129, 0.4);
    }
    50% {
        box-shadow: 0 20px 60px rgba(16, 185, 129, 0.6);
    }
}

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

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

.final-cta-note {
    font-size: 16px;
    color: #cbd5e0;
    margin-top: 30px;
    line-height: 2;
}

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

    .final-cta-text {
        text-align: left;
    }

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

/* ===================================
   18. FOOTER
   =================================== */

.footer {
    background: #1a202c;
    color: #cbd5e0;
    padding: 60px 0 30px;
}

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

.footer-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
    margin-bottom: 30px;
}

.footer-links a {
    color: #cbd5e0;
    font-size: 15px;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #4F46E5;
}

.separator {
    color: #4a5568;
}

.footer-disclaimer {
    max-width: 900px;
    margin: 0 auto 40px;
    padding: 25px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-disclaimer p {
    font-size: 14px;
    line-height: 1.8;
    color: #a0aec0;
    margin: 0;
}

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

.footer-social a {
    width: 45px;
    height: 45px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #cbd5e0;
    transition: all 0.3s ease;
}

.footer-social a:hover {
    background: linear-gradient(135deg, #4F46E5 0%, #06B6D4 100%);
    color: #ffffff;
    transform: translateY(-5px);
}

.footer-copyright {
    font-size: 14px;
    color: #718096;
}

@media (min-width: 768px) {
    .footer-disclaimer p {
        font-size: 15px;
    }
}

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

.scroll-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, #4F46E5 0%, #06B6D4 100%);
    color: #ffffff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 10px 30px rgba(79, 70, 229, 0.4);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 999;
    cursor: pointer;
}

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

.scroll-to-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(79, 70, 229, 0.5);
}

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

/* ===================================
   20. PURCHASE NOTIFICATION POPUP
   =================================== */

.purchase-notification {
    position: fixed;
    bottom: 30px;
    left: 30px;
    background: #ffffff;
    border-radius: 15px;
    padding: 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    display: flex;
    align-items: center;
    gap: 15px;
    z-index: 998;
    transform: translateX(-400px);
    opacity: 0;
    transition: all 0.5s ease;
    max-width: 90%;
}

@media (min-width: 768px) {
    .purchase-notification {
        max-width: 350px;
    }
}

.purchase-notification.show {
    transform: translateX(0);
    opacity: 1;
}

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

.notification-icon {
    font-size: 30px;
}

.notification-text {
    flex: 1;
}

.notification-name {
    display: block;
    font-weight: 700;
    color: #2d3748;
    margin-bottom: 3px;
}

.notification-message {
    display: block;
    font-size: 14px;
    color: #4a5568;
}

.notification-time {
    display: block;
    font-size: 12px;
    color: #a0aec0;
    margin-top: 3px;
}

/* ===================================
   21. CTA POPUP
   =================================== */

.cta-popup {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(5px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    padding: 20px;
}

.cta-popup.show {
    opacity: 1;
    visibility: visible;
}

.popup-content {
    background: #ffffff;
    border-radius: 25px;
    padding: 40px 30px;
    max-width: 500px;
    width: 100%;
    position: relative;
    transform: scale(0.8);
    transition: transform 0.3s ease;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.cta-popup.show .popup-content {
    transform: scale(1);
    animation: popupBounce 0.5s ease;
}

@keyframes popupBounce {
    0% {
        transform: scale(0.5);
    }
    50% {
        transform: scale(1.05);
    }
    100% {
        transform: scale(1);
    }
}

.popup-close {
    position: absolute;
    top: 15px;
    right: 15px;
    width: 40px;
    height: 40px;
    background: #f7fafc;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: #4a5568;
    cursor: pointer;
    transition: all 0.3s ease;
}

.popup-close:hover {
    background: #e2e8f0;
    transform: rotate(90deg);
}

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

.popup-heading {
    font-size: 28px;
    background: linear-gradient(135deg, #4F46E5 0%, #06B6D4 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 15px;
}

.popup-text {
    font-size: 18px;
    color: #4a5568;
    margin-bottom: 25px;
}

.popup-price {
    margin: 25px 0;
}

.popup-old-price {
    font-size: 24px;
    color: #a0aec0;
    text-decoration: line-through;
    margin-right: 15px;
}

.popup-new-price {
    font-size: 48px;
    font-weight: 900;
    background: linear-gradient(135deg, #10B981 0%, #059669 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.popup-cta-btn {
    background: linear-gradient(135deg, #4F46E5 0%, #06B6D4 100%);
    color: #ffffff;
    padding: 18px 40px;
    border-radius: 50px;
    font-size: 18px;
    font-weight: 700;
    display: inline-block;
    transition: all 0.3s ease;
    box-shadow: 0 10px 30px rgba(79, 70, 229, 0.3);
    min-height: 56px;
}

.popup-cta-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 15px 40px rgba(79, 70, 229, 0.4);
}

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

.popup-guarantee {
    font-size: 14px;
    color: #10B981;
    margin-top: 20px;
    font-weight: 600;
}

/* Mobile Optimization for Popup */
@media (max-width: 767px) {
    .cta-popup {
        align-items: flex-end;
        padding: 0;
    }

    .popup-content {
        border-radius: 25px 25px 0 0;
        padding: 30px 25px;
        max-width: 100%;
    }

    .popup-heading {
        font-size: 22px;
    }

    .popup-text {
        font-size: 16px;
    }

    .popup-new-price {
        font-size: 38px;
    }
}

/* ===================================
   22. ANIMATIONS & UTILITIES
   =================================== */

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

/* Fade in on scroll */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Loading animation */
@keyframes shimmer {
    0% {
        background-position: -1000px 0;
    }
    100% {
        background-position: 1000px 0;
    }
}

/* ===================================
   END OF STYLESHEET
   =================================== */