/* ============================================
   NEUROXEN LANDING PAGE - STYLES.CSS
   Design: Modern Gradient (Option 1)
   Mobile-First Responsive Design
   ============================================ */

/* ============================================
   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: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.7;
    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;
    border: none;
    cursor: pointer;
    background: none;
}

ul {
    list-style: none;
}

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

section {
    padding: 60px 0;
}

.section-heading {
    font-size: 28px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #4F46E5 0%, #06B6D4 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ============================================
   SECTION 1: NAVIGATION MENU
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    padding: 10px 0;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.nav-logo a {
    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;
}

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

.nav-link {
    font-size: 15px;
    font-weight: 500;
    color: #374151;
    transition: all 0.3s ease;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(135deg, #4F46E5 0%, #06B6D4 100%);
    transition: width 0.3s ease;
}

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

.nav-cta {
    padding: 12px 28px;
    background: linear-gradient(135deg, #4F46E5 0%, #06B6D4 100%);
    color: #ffffff;
    border-radius: 50px;
    font-weight: 600;
    font-size: 15px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(79, 70, 229, 0.3);
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(79, 70, 229, 0.4);
}

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

/* Hamburger Menu */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    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);
}

/* Mobile Navigation */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 30px;
        box-shadow: -5px 0 30px rgba(0, 0, 0, 0.1);
        transition: right 0.4s cubic-bezier(0.68, -0.55, 0.27, 1.55);
        padding: 20px;
    }

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

    .nav-link {
        font-size: 18px;
    }

    .nav-cta {
        width: 100%;
        text-align: center;
        min-height: 48px;
        display: flex;
        align-items: center;
        justify-content: center;
    }
}

/* ============================================
   SECTION 2: HERO SECTION
   ============================================ */
.hero-section {
    margin-top: 80px;
    padding: 80px 0;
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.05) 0%, rgba(6, 182, 212, 0.05) 100%);
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(79, 70, 229, 0.1) 0%, transparent 70%);
    top: -200px;
    right: -200px;
    border-radius: 50%;
    animation: float 8s ease-in-out infinite;
}

.hero-container {
    display: flex;
    align-items: center;
    gap: 60px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.hero-image {
    flex: 1;
    animation: heroImageFloat 3s ease-in-out infinite;
}

.hero-product-img {
    width: 100%;
    max-width: 500px;
    filter: drop-shadow(0 20px 40px rgba(79, 70, 229, 0.2));
    animation: productPulse 2s ease-in-out infinite;
}

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

@keyframes productPulse {
    0%, 100% {
        filter: drop-shadow(0 20px 40px rgba(79, 70, 229, 0.2));
    }
    50% {
        filter: drop-shadow(0 25px 50px rgba(79, 70, 229, 0.3));
    }
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    50% {
        transform: translate(-30px, -30px) scale(1.1);
    }
}

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

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

.hero-title {
    font-size: 40px;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #4F46E5 0%, #06B6D4 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 16px;
    line-height: 1.8;
    color: #4b5563;
    margin-bottom: 15px;
}

.hero-cta {
    display: inline-block;
    padding: 18px 45px;
    background: linear-gradient(135deg, #4F46E5 0%, #06B6D4 100%);
    color: #ffffff;
    font-weight: 700;
    font-size: 18px;
    border-radius: 50px;
    margin-top: 20px;
    box-shadow: 0 10px 30px rgba(79, 70, 229, 0.3);
    transition: all 0.3s ease;
    min-height: 48px;
    text-align: center;
}

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

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

/* Mobile Hero */
@media (max-width: 768px) {
    .hero-section {
        margin-top: 70px;
        padding: 40px 0;
    }

    .hero-container {
        flex-direction: column;
        gap: 30px;
    }

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

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

    .hero-cta {
        width: 100%;
        font-size: 16px;
        padding: 16px 30px;
    }

    .hero-product-img {
        max-width: 300px;
        margin: 0 auto;
    }
}

/* ============================================
   SECTION 3: WHY CHOOSE US
   ============================================ */
.why-choose-section {
    padding: 80px 0;
    background: #ffffff;
}

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

.why-card {
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.03) 0%, rgba(6, 182, 212, 0.03) 100%);
    border-radius: 20px;
    padding: 35px;
    text-align: center;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 2px solid transparent;
    opacity: 0;
    transform: translateY(30px);
}

.why-card.aos-animate {
    opacity: 1;
    transform: translateY(0);
}

.why-card:hover {
    transform: translateY(-10px) rotate(1deg) scale(1.05);
    box-shadow: 0 20px 60px rgba(79, 70, 229, 0.15);
    border-color: rgba(79, 70, 229, 0.2);
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.05) 0%, rgba(6, 182, 212, 0.05) 100%);
}

.why-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.why-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.why-title {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 15px;
    color: #1f2937;
}

.why-description {
    font-size: 15px;
    line-height: 1.7;
    color: #6b7280;
}

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

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

/* ============================================
   SECTION 4: WHAT IS NEUROXEN
   ============================================ */
.what-is-section {
    padding: 80px 0;
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.02) 0%, rgba(6, 182, 212, 0.02) 100%);
}

.what-is-content {
    display: flex;
    align-items: center;
    gap: 50px;
    margin-top: 40px;
}

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

.what-is-text p {
    font-size: 16px;
    line-height: 1.8;
    color: #4b5563;
    margin-bottom: 20px;
}

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

.what-is-image img {
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
}

@media (max-width: 768px) {
    .what-is-content {
        flex-direction: column;
    }

    .what-is-image {
        width: 100%;
    }
}

/* ============================================
   SECTION 5: HOW IT WORKS
   ============================================ */
.how-works-section {
    padding: 80px 0;
    background: #ffffff;
}

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

.accordion-item {
    background: #ffffff;
    border-radius: 15px;
    margin-bottom: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    overflow: hidden;
    transition: all 0.3s ease;
}

.accordion-item:hover {
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.accordion-header {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    font-size: 18px;
    font-weight: 600;
    color: #1f2937;
    cursor: pointer;
    transition: all 0.3s ease;
    min-height: 48px;
    text-align: left;
}

.accordion-header:hover {
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.03) 0%, rgba(6, 182, 212, 0.03) 100%);
}

.accordion-icon {
    font-size: 24px;
    font-weight: 300;
    color: #4F46E5;
    transition: transform 0.3s ease;
    min-width: 24px;
}

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

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.accordion-content p {
    padding: 0 25px 25px;
    font-size: 15px;
    line-height: 1.8;
    color: #6b7280;
}

/* ============================================
   SECTION 6: CUSTOMER REVIEWS
   ============================================ */
.reviews-section {
    padding: 80px 0;
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.02) 0%, rgba(6, 182, 212, 0.02) 100%);
}

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

.review-card {
    background: #ffffff;
    border-radius: 20px;
    padding: 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    transition: all 0.4s ease;
    opacity: 0;
    transform: translateY(30px);
}

.review-card.aos-animate {
    opacity: 1;
    transform: translateY(0);
    animation: reviewBounce 0.6s ease-out;
}

@keyframes reviewBounce {
    0% {
        opacity: 0;
        transform: translateY(30px) scale(0.9);
    }
    60% {
        transform: translateY(-5px) scale(1.02);
    }
    100% {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.review-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(79, 70, 229, 0.15);
}

.review-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 15px;
}

.review-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid #4F46E5;
    box-shadow: 0 5px 15px rgba(79, 70, 229, 0.2);
}

.review-info {
    flex: 1;
}

.review-name {
    font-size: 18px;
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 3px;
}

.review-location {
    font-size: 14px;
    color: #9ca3af;
}

.review-rating {
    font-size: 20px;
    color: #FCD34D;
    margin-bottom: 15px;
    letter-spacing: 2px;
}

.review-text {
    font-size: 15px;
    line-height: 1.7;
    color: #4b5563;
    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);
    }
}

/* ============================================
   SECTION 7: PRICING WITH COUNTDOWN
   ============================================ */
.pricing-section {
    padding: 80px 0;
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.05) 0%, rgba(6, 182, 212, 0.05) 100%);
}

.pricing-subheading {
    text-align: center;
    font-size: 18px;
    color: #6b7280;
    margin-top: 10px;
    margin-bottom: 30px;
}

.countdown-timer {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    margin: 40px 0;
}

.timer-box {
    background: linear-gradient(135deg, #4F46E5 0%, #06B6D4 100%);
    border-radius: 15px;
    padding: 20px 30px;
    box-shadow: 0 10px 30px rgba(79, 70, 229, 0.3);
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 100px;
}

.timer-number {
    font-size: 42px;
    font-weight: 800;
    color: #ffffff;
    line-height: 1;
}

.timer-label {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.9);
    margin-top: 5px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.timer-separator {
    font-size: 42px;
    font-weight: 800;
    color: #4F46E5;
}

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

.pricing-card {
    background: #ffffff;
    border-radius: 25px;
    padding: 40px 30px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    text-align: center;
    transition: all 0.4s ease;
    position: relative;
    border: 3px solid transparent;
}

.pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 60px rgba(79, 70, 229, 0.15);
}

.pricing-card.popular {
    border-color: #4F46E5;
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.03) 0%, rgba(6, 182, 212, 0.03) 100%);
    transform: scale(1.05);
}

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

.popular-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, #4F46E5 0%, #06B6D4 100%);
    color: #ffffff;
    padding: 8px 25px;
    border-radius: 50px;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: 0 5px 15px rgba(79, 70, 229, 0.3);
}

.pricing-label {
    font-size: 14px;
    font-weight: 700;
    color: #4F46E5;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 10px;
}

.pricing-bottles {
    font-size: 24px;
    font-weight: 800;
    color: #1f2937;
    margin-bottom: 5px;
}

.pricing-supply {
    font-size: 14px;
    color: #6b7280;
    margin-bottom: 20px;
}

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

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

.pricing-price {
    font-size: 48px;
    font-weight: 800;
    color: #4F46E5;
    margin: 15px 0;
}

.pricing-price span {
    font-size: 20px;
    color: #6b7280;
}

.pricing-total {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 15px;
    margin: 15px 0;
}

.old-price {
    font-size: 24px;
    color: #9ca3af;
    text-decoration: line-through;
}

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

.bonus-badges {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin: 15px 0;
}

.bonus-badge {
    background: linear-gradient(135deg, #10B981 0%, #059669 100%);
    color: #ffffff;
    padding: 8px 15px;
    border-radius: 50px;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
}

.pricing-btn {
    display: block;
    width: 100%;
    padding: 18px 30px;
    background: linear-gradient(135deg, #4F46E5 0%, #06B6D4 100%);
    color: #ffffff;
    font-weight: 700;
    font-size: 16px;
    border-radius: 50px;
    margin: 20px 0;
    transition: all 0.3s ease;
    box-shadow: 0 8px 20px rgba(79, 70, 229, 0.3);
    min-height: 50px;
}

.pricing-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 30px rgba(79, 70, 229, 0.4);
}

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

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

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

.rating-image {
    text-align: center;
    margin-top: 50px;
}

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

@media (min-width: 576px) and (max-width: 991px) {
    .pricing-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .pricing-card.popular {
        grid-column: span 2;
        max-width: 400px;
        margin: 0 auto;
    }
}

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

@media (max-width: 480px) {
    .timer-box {
        padding: 15px 20px;
        min-width: 80px;
    }
    
    .timer-number {
        font-size: 32px;
    }
    
    .timer-separator {
        font-size: 32px;
    }
}

/* ============================================
   SECTION 8: INGREDIENTS
   ============================================ */
.ingredients-section {
    padding: 80px 0;
    background: #ffffff;
}

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

.ingredient-card {
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.02) 0%, rgba(6, 182, 212, 0.02) 100%);
    border-radius: 15px;
    padding: 25px;
    border-left: 4px solid #4F46E5;
    transition: all 0.3s ease;
}

.ingredient-card:hover {
    transform: translateX(5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.04) 0%, rgba(6, 182, 212, 0.04) 100%);
}

.ingredient-name {
    font-size: 20px;
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 12px;
}

.ingredient-description {
    font-size: 15px;
    line-height: 1.7;
    color: #6b7280;
}

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

/* ============================================
   SECTION 9: SCIENTIFIC EVIDENCE
   ============================================ */
.science-section {
    padding: 80px 0;
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.02) 0%, rgba(6, 182, 212, 0.02) 100%);
}

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

.science-intro {
    text-align: center;
    margin: 30px 0 40px;
}

.science-intro p {
    font-size: 17px;
    line-height: 1.8;
    color: #4b5563;
}

.science-accordion {
    margin-top: 30px;
}

/* ============================================
   SECTION 10: MONEY BACK GUARANTEE
   ============================================ */
.guarantee-section {
    padding: 80px 0;
    background: #ffffff;
}

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

.guarantee-image {
    flex: 1;
}

.guarantee-image img {
    max-width: 400px;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
}

.guarantee-text {
    flex: 1;
}

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

.guarantee-point h3 {
    font-size: 22px;
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 12px;
}

.guarantee-point p {
    font-size: 15px;
    line-height: 1.8;
    color: #6b7280;
}

@media (max-width: 768px) {
    .guarantee-content {
        flex-direction: column;
    }
    
    .guarantee-image img {
        margin: 0 auto;
    }
}

/* ============================================
   SECTION 11: BENEFITS
   ============================================ */
.benefits-section {
    padding: 80px 0;
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.05) 0%, rgba(6, 182, 212, 0.05) 100%);
}

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

.benefit-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    background: #ffffff;
    padding: 25px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.benefit-item:hover {
    transform: translateX(10px);
    box-shadow: 0 10px 30px rgba(79, 70, 229, 0.1);
}

.benefit-icon {
    width: 40px;
    height: 40px;
    min-width: 40px;
    background: linear-gradient(135deg, #4F46E5 0%, #06B6D4 100%);
    color: #ffffff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 700;
}

.benefit-content h3 {
    font-size: 18px;
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 8px;
}

.benefit-content p {
    font-size: 15px;
    line-height: 1.7;
    color: #6b7280;
}

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

/* ============================================
   SECTION 13: FAQ SECTION
   ============================================ */
.faq-section {
    padding: 80px 0;
    background: #ffffff;
}

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

/* ============================================
   SECTION 16: FINAL CTA
   ============================================ */
.final-cta-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #4F46E5 0%, #06B6D4 100%);
    position: relative;
    overflow: hidden;
}

.final-cta-section::before {
    content: '';
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    top: -300px;
    right: -300px;
    border-radius: 50%;
    animation: float 10s ease-in-out infinite;
}

.final-cta-content {
    display: flex;
    align-items: center;
    gap: 50px;
    position: relative;
    z-index: 1;
}

.final-cta-image {
    flex: 1;
    animation: finalCtaFloat 3s ease-in-out infinite;
}

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

.final-cta-image img {
    max-width: 400px;
    filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.2));
}

.final-cta-text {
    flex: 1;
    color: #ffffff;
}

.final-cta-heading {
    font-size: 36px;
    font-weight: 800;
    margin-bottom: 30px;
    line-height: 1.3;
}

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

.final-regular-price {
    font-size: 20px;
    text-decoration: line-through;
    opacity: 0.8;
}

.final-special-price {
    font-size: 42px;
    font-weight: 800;
}

.final-cta-btn {
    display: inline-block;
    padding: 20px 50px;
    background: #ffffff;
    color: #4F46E5;
    font-weight: 800;
    font-size: 18px;
    border-radius: 50px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
    min-height: 48px;
    animation: ctaPulse 2s ease-in-out infinite;
}

@keyframes ctaPulse {
    0%, 100% {
        transform: scale(1);
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    }
    50% {
        transform: scale(1.05);
        box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
    }
}

.final-cta-btn:hover {
    transform: scale(1.08);
    box-shadow: 0 15px 45px rgba(0, 0, 0, 0.3);
}

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

@media (max-width: 768px) {
    .final-cta-content {
        flex-direction: column;
        text-align: center;
    }
    
    .final-cta-heading {
        font-size: 26px;
    }
    
    .final-special-price {
        font-size: 32px;
    }
    
    .final-cta-btn {
        width: 100%;
    }
    
    .final-cta-image img {
        max-width: 300px;
        margin: 0 auto;
    }
}

/* ============================================
   SECTION 17: FOOTER
   ============================================ */
.footer {
    background: #1f2937;
    color: #ffffff;
    padding: 60px 0 30px;
}

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

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

.footer-links a {
    color: #d1d5db;
    font-size: 15px;
    transition: all 0.3s ease;
}

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

.footer-disclaimer {
    max-width: 900px;
    margin: 0 auto 30px;
    padding: 20px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
}

.footer-disclaimer p {
    font-size: 13px;
    line-height: 1.7;
    color: #d1d5db;
}

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

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

.footer-social a:hover {
    background: linear-gradient(135deg, #4F46E5 0%, #06B6D4 100%);
    transform: translateY(-3px);
}

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

.footer-copyright p {
    font-size: 14px;
    color: #9ca3af;
}

@media (max-width: 576px) {
    .footer-links {
        flex-direction: column;
        gap: 15px;
    }
}

/* ============================================
   SCROLL TO TOP BUTTON
   ============================================ */
.scroll-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 8px 20px rgba(79, 70, 229, 0.3);
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 999;
}

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

.scroll-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 30px rgba(79, 70, 229, 0.4);
}

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

/* ============================================
   PURCHASE NOTIFICATION POPUP
   ============================================ */
.purchase-popup {
    position: fixed;
    bottom: 30px;
    left: 30px;
    background: #ffffff;
    border-radius: 15px;
    padding: 15px 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
    display: flex;
    align-items: center;
    gap: 15px;
    z-index: 998;
    opacity: 0;
    transform: translateX(-100%);
    transition: all 0.5s cubic-bezier(0.68, -0.55, 0.27, 1.55);
}

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

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

.popup-text {
    font-size: 14px;
    line-height: 1.5;
}

.popup-text strong {
    color: #1f2937;
    display: block;
    margin-bottom: 2px;
}

.popup-text p {
    color: #6b7280;
    margin: 0;
}

@media (max-width: 576px) {
    .purchase-popup {
        left: 10px;
        right: 10px;
        bottom: 10px;
        max-width: calc(100% - 20px);
    }
}

/* ============================================
   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;
}

.cta-popup-content {
    background: #ffffff;
    border-radius: 25px;
    padding: 40px 30px;
    max-width: 500px;
    width: 100%;
    text-align: center;
    position: relative;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: popupSlideIn 0.5s cubic-bezier(0.68, -0.55, 0.27, 1.55);
}

@keyframes popupSlideIn {
    from {
        transform: scale(0.7) translateY(-50px);
        opacity: 0;
    }
    to {
        transform: scale(1) translateY(0);
        opacity: 1;
    }
}

.cta-popup-close {
    position: absolute;
    top: 15px;
    right: 15px;
    width: 36px;
    height: 36px;
    background: #f3f4f6;
    border-radius: 50%;
    font-size: 24px;
    color: #6b7280;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.cta-popup-close:hover {
    background: #ef4444;
    color: #ffffff;
    transform: rotate(90deg);
}

.cta-popup-content h3 {
    font-size: 28px;
    font-weight: 800;
    margin-bottom: 15px;
    background: linear-gradient(135deg, #4F46E5 0%, #06B6D4 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.cta-popup-content p {
    font-size: 18px;
    color: #4b5563;
    margin-bottom: 10px;
}

.popup-timer {
    font-size: 16px;
    color: #ef4444;
    font-weight: 700;
    margin-bottom: 25px;
}

.popup-cta-btn {
    display: block;
    width: 100%;
    padding: 18px 30px;
    background: linear-gradient(135deg, #4F46E5 0%, #06B6D4 100%);
    color: #ffffff;
    font-weight: 700;
    font-size: 16px;
    border-radius: 50px;
    box-shadow: 0 8px 20px rgba(79, 70, 229, 0.3);
    transition: all 0.3s ease;
    min-height: 48px;
}

.popup-cta-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 30px rgba(79, 70, 229, 0.4);
}

@media (max-width: 576px) {
    .cta-popup-content {
        padding: 30px 20px;
    }
    
    .cta-popup-content h3 {
        font-size: 22px;
    }
}

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

.mt-20 {
    margin-top: 20px;
}

.mb-20 {
    margin-bottom: 20px;
}

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

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

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

/* ============================================
   PRINT STYLES
   ============================================ */
@media print {
    .navbar,
    .scroll-top,
    .purchase-popup,
    .cta-popup {
        display: none !important;
    }
}