/* ===================================
   NEUROCEPT - MODERN GRADIENT DESIGN
   Mobile-First Responsive CSS
   =================================== */

/* === ROOT VARIABLES === */
:root {
    /* Colors - Modern Gradient Theme */
    --primary-gradient: linear-gradient(135deg, #4F46E5 0%, #06B6D4 100%);
    --primary-color: #4F46E5;
    --secondary-color: #06B6D4;
    --accent-color: #10B981;
    --dark-color: #1F2937;
    --light-color: #F9FAFB;
    --white: #FFFFFF;
    --gray-100: #F3F4F6;
    --gray-200: #E5E7EB;
    --gray-300: #D1D5DB;
    --gray-400: #9CA3AF;
    --gray-600: #4B5563;
    --gray-800: #1F2937;
    --danger-color: #EF4444;
    --warning-color: #F59E0B;
    --success-color: #10B981;
    
    /* Typography */
    --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-heading: 'Georgia', serif;
    
    /* Spacing */
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 32px;
    --spacing-xl: 48px;
    --spacing-xxl: 64px;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 50px;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);
    --shadow-glow: 0 0 30px rgba(79, 70, 229, 0.3);
    
    /* Transitions */
    --transition-base: all 0.3s ease;
    --transition-fast: all 0.15s ease;
    --transition-slow: all 0.5s ease;
}

/* === 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: var(--font-primary);
    font-size: 16px;
    line-height: 1.7;
    color: var(--gray-800);
    background-color: var(--white);
    overflow-x: hidden;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-base);
}

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

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

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

@media (min-width: 768px) {
    .container {
        padding-left: 30px;
        padding-right: 30px;
    }
}

@media (min-width: 1024px) {
    .container {
        padding-left: 40px;
        padding-right: 40px;
    }
}

/* === SECTION SPACING === */
section {
    padding: 40px 0;
}

@media (min-width: 768px) {
    section {
        padding: 60px 0;
    }
}

@media (min-width: 1024px) {
    section {
        padding: 80px 0;
    }
}

/* === TYPOGRAPHY === */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--dark-color);
    margin-bottom: var(--spacing-sm);
}

h1 {
    font-size: 28px;
}

h2 {
    font-size: 24px;
}

h3 {
    font-size: 20px;
}

p {
    margin-bottom: var(--spacing-sm);
}

@media (min-width: 768px) {
    h1 {
        font-size: 36px;
    }
    
    h2 {
        font-size: 30px;
    }
    
    h3 {
        font-size: 24px;
    }
}

@media (min-width: 1024px) {
    h1 {
        font-size: 48px;
    }
    
    h2 {
        font-size: 36px;
    }
    
    h3 {
        font-size: 28px;
    }
}

.section-title {
    text-align: center;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-lg);
}

.section-subtitle {
    text-align: center;
    font-size: 18px;
    color: var(--gray-600);
    margin-bottom: var(--spacing-md);
}

/* === CTA BUTTONS === */
.cta-btn {
    display: inline-block;
    padding: 16px 32px;
    min-height: 48px;
    background: var(--primary-gradient);
    color: var(--white);
    font-size: 16px;
    font-weight: 700;
    text-align: center;
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
    cursor: pointer;
    border: none;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.cta-btn:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-xl), var(--shadow-glow);
}

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

.cta-large {
    padding: 20px 48px;
    font-size: 18px;
    min-height: 56px;
}

@media (max-width: 767px) {
    .cta-btn {
        width: 100%;
        padding: 18px 24px;
    }
    
    .cta-large {
        padding: 20px 24px;
    }
}

/* ====================================
   SECTION 1: NAVIGATION MENU
   ==================================== */
.sticky-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-base);
}

.sticky-header.scrolled {
    box-shadow: var(--shadow-md);
    background: rgba(255, 255, 255, 0.98);
}

.navbar {
    padding: 16px 0;
}

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

.logo-text {
    font-size: 24px;
    font-weight: 800;
    background: var(--primary-gradient);
    -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;
    width: 30px;
    height: 24px;
    cursor: pointer;
    z-index: 1001;
}

.hamburger span {
    display: block;
    width: 100%;
    height: 3px;
    background: var(--primary-color);
    border-radius: 2px;
    transition: var(--transition-base);
}

.hamburger.active span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

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

.hamburger.active span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

/* Mobile Navigation */
.nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--white);
    box-shadow: var(--shadow-xl);
    padding: 80px 30px 30px;
    transition: var(--transition-base);
    overflow-y: auto;
}

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

.nav-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 30px;
}

.nav-link {
    font-size: 18px;
    font-weight: 600;
    color: var(--gray-800);
    padding: 12px 0;
    border-bottom: 2px solid transparent;
    transition: var(--transition-base);
}

.nav-link:hover {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.nav-cta {
    width: 100%;
}

/* Desktop Navigation */
@media (min-width: 768px) {
    .hamburger {
        display: none;
    }
    
    .nav-menu {
        position: static;
        width: auto;
        height: auto;
        background: transparent;
        box-shadow: none;
        padding: 0;
        display: flex;
        align-items: center;
        gap: 40px;
    }
    
    .nav-links {
        flex-direction: row;
        margin-bottom: 0;
        gap: 30px;
    }
    
    .nav-link {
        font-size: 16px;
        padding: 8px 0;
    }
    
    .nav-cta {
        width: auto;
        padding: 12px 28px;
        min-height: 44px;
    }
}

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

.hero-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    align-items: center;
}

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

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

.hero-image img {
    width: 100%;
    filter: drop-shadow(0 20px 40px rgba(79, 70, 229, 0.3));
}

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

.hero-title {
    margin-bottom: var(--spacing-md);
    animation: slideInLeft 0.8s ease-out;
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.hero-description {
    font-size: 16px;
    line-height: 1.8;
    color: var(--gray-600);
    margin-bottom: var(--spacing-md);
    animation: fadeInUp 1s ease-out;
}

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

.animate-hero-content {
    animation: fadeInRight 1s ease-out;
}

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

@media (min-width: 768px) {
    .hero-container {
        flex-direction: row;
        gap: var(--spacing-xl);
    }
    
    .hero-image {
        flex: 1;
        max-width: 500px;
    }
    
    .hero-content {
        flex: 1;
        text-align: left;
    }
    
    .hero-description {
        font-size: 18px;
    }
}

/* ====================================
   SECTION 3: WHY CHOOSE US
   ==================================== */
.why-choose-section {
    background: var(--light-color);
}

.badge-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
}

.badge-card {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
    opacity: 0;
    transform: translateY(30px);
}

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

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

.badge-card[data-delay="0"].visible {
    animation-delay: 0s;
}

.badge-card[data-delay="100"].visible {
    animation-delay: 0.1s;
}

.badge-card[data-delay="200"].visible {
    animation-delay: 0.2s;
}

.badge-card[data-delay="300"].visible {
    animation-delay: 0.3s;
}

.badge-card:hover {
    transform: scale(1.05) rotate(2deg);
    box-shadow: var(--shadow-xl), var(--shadow-glow);
}

.badge-icon {
    width: 100px;
    height: 100px;
    margin: 0 auto var(--spacing-md);
}

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

.badge-title {
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.badge-description {
    color: var(--gray-600);
    line-height: 1.7;
}

@media (min-width: 576px) {
    .badge-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-lg);
    }
}

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

/* ====================================
   SECTION 4: WHAT IS NEUROCEPT
   ==================================== */
.what-is-section {
    background: var(--white);
}

.what-is-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    align-items: center;
}

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

.what-is-text {
    font-size: 16px;
    line-height: 1.8;
    color: var(--gray-600);
    margin-bottom: var(--spacing-md);
}

.what-is-image {
    flex: 1;
    max-width: 600px;
}

.what-is-image img {
    width: 100%;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

@media (min-width: 768px) {
    .what-is-container {
        flex-direction: row;
        gap: var(--spacing-xl);
    }
    
    .what-is-text {
        font-size: 17px;
    }
}

/* ====================================
   SECTION 5: HOW IT WORKS
   ==================================== */
.how-works-section {
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.05) 0%, rgba(6, 182, 212, 0.05) 100%);
}

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

.accordion-item {
    background: var(--white);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-sm);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-base);
}

.accordion-item:hover {
    box-shadow: var(--shadow-md);
}

.accordion-header {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    background: var(--white);
    cursor: pointer;
    min-height: 48px;
    transition: var(--transition-base);
}

.accordion-header:hover {
    background: var(--gray-100);
}

.accordion-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--dark-color);
    text-align: left;
}

.accordion-icon {
    font-size: 28px;
    font-weight: 300;
    color: var(--primary-color);
    transition: var(--transition-base);
    flex-shrink: 0;
    margin-left: 16px;
}

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

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.accordion-content p {
    padding: 0 20px 20px;
    color: var(--gray-600);
    line-height: 1.8;
}

@media (min-width: 768px) {
    .accordion-header {
        padding: 24px;
    }
    
    .accordion-title {
        font-size: 20px;
    }
    
    .accordion-content p {
        padding: 0 24px 24px;
        font-size: 17px;
    }
}

/* ====================================
   SECTION 6: CUSTOMER REVIEWS
   ==================================== */
.reviews-section {
    background: var(--light-color);
}

.reviews-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
}

.review-card {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
    opacity: 0;
    transform: scale(0.9);
}

.review-card.visible {
    animation: scaleIn 0.5s ease-out forwards;
}

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

.review-card[data-delay="0"].visible {
    animation-delay: 0s;
}

.review-card[data-delay="100"].visible {
    animation-delay: 0.1s;
}

.review-card[data-delay="200"].visible {
    animation-delay: 0.2s;
}

.review-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.review-header {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    align-items: center;
}

.reviewer-photo {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid var(--primary-color);
    flex-shrink: 0;
}

.reviewer-info {
    flex: 1;
}

.reviewer-name {
    font-size: 18px;
    font-weight: 700;
    color: var(--dark-color);
    margin-bottom: 4px;
}

.reviewer-location {
    font-size: 14px;
    color: var(--gray-500);
    margin-bottom: 8px;
}

.star-rating {
    color: #F59E0B;
    font-size: 20px;
    letter-spacing: 2px;
}

.review-text {
    color: var(--gray-600);
    line-height: 1.8;
    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 & 12: PRICING SECTION
   ==================================== */
.pricing-section {
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.1) 0%, rgba(6, 182, 212, 0.1) 100%);
}

/* Countdown Timer */
.countdown-timer {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 16px;
    margin-bottom: var(--spacing-xl);
}

.timer-box {
    background: var(--white);
    padding: 20px 28px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    text-align: center;
    min-width: 100px;
}

.timer-value {
    display: block;
    font-size: 36px;
    font-weight: 800;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 8px;
}

.timer-label {
    display: block;
    font-size: 14px;
    color: var(--gray-600);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.timer-separator {
    font-size: 36px;
    font-weight: 800;
    color: var(--primary-color);
}

@media (min-width: 768px) {
    .timer-box {
        padding: 28px 40px;
        min-width: 140px;
    }
    
    .timer-value {
        font-size: 48px;
    }
    
    .timer-separator {
        font-size: 48px;
    }
}

/* Pricing Grid */
.pricing-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.pricing-card {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    text-align: center;
    transition: var(--transition-base);
    position: relative;
    border: 3px solid transparent;
}

.pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.pricing-card.popular {
    border-color: var(--primary-color);
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.05) 0%, rgba(6, 182, 212, 0.05) 100%);
}

.popular-badge {
    position: absolute;
    top: -16px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary-gradient);
    color: var(--white);
    padding: 8px 24px;
    border-radius: var(--radius-full);
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: var(--shadow-md);
}

.pricing-label {
    font-size: 16px;
    font-weight: 700;
    color: var(--gray-600);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--spacing-sm);
}

.pricing-bottles {
    font-size: 20px;
    font-weight: 800;
    color: var(--dark-color);
    margin-bottom: 8px;
}

.pricing-supply {
    font-size: 14px;
    color: var(--gray-500);
    margin-bottom: var(--spacing-md);
}

.pricing-image {
    margin: var(--spacing-md) auto;
    max-width: 200px;
}

.pricing-price {
    margin-bottom: var(--spacing-sm);
}

.price-per {
    font-size: 48px;
    font-weight: 800;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

.price-label {
    display: block;
    font-size: 14px;
    color: var(--gray-500);
    margin-top: 8px;
}

.pricing-total {
    margin-bottom: var(--spacing-md);
}

.price-old {
    font-size: 20px;
    color: var(--gray-400);
    text-decoration: line-through;
    margin-right: 12px;
}

.price-new {
    font-size: 28px;
    font-weight: 800;
    color: var(--success-color);
}

.pricing-badges {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: var(--spacing-md);
}

.badge-bonus,
.badge-shipping {
    background: var(--success-color);
    color: var(--white);
    padding: 8px 16px;
    border-radius: var(--radius-full);
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
}

.badge-shipping {
    background: var(--warning-color);
}

.pricing-cta {
    width: 100%;
    margin-bottom: var(--spacing-md);
}

.payment-logos {
    margin-top: var(--spacing-md);
}

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

.rating-section {
    text-align: center;
}

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

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

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

/* ====================================
   SECTION 8: INGREDIENTS
   ==================================== */
.ingredients-section {
    background: var(--white);
}

.ingredients-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
}

.ingredient-card {
    background: var(--light-color);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--primary-color);
    transition: var(--transition-base);
}

.ingredient-card:hover {
    background: var(--white);
    box-shadow: var(--shadow-md);
    transform: translateX(8px);
}

.ingredient-name {
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.ingredient-description {
    color: var(--gray-600);
    line-height: 1.8;
}

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

/* ====================================
   SECTION 9: SCIENTIFIC EVIDENCE
   ==================================== */
.scientific-section {
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.05) 0%, rgba(6, 182, 212, 0.05) 100%);
}

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

.evidence-block {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-md);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-base);
}

.evidence-block:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-5px);
}

.evidence-title {
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.evidence-text {
    color: var(--gray-600);
    line-height: 1.8;
}

/* ====================================
   SECTION 10: MONEY BACK GUARANTEE
   ==================================== */
.guarantee-section {
    background: var(--light-color);
}

.guarantee-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    align-items: center;
}

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

.guarantee-image img {
    width: 100%;
    animation: pulse 2s ease-in-out infinite;
}

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

.guarantee-content {
    flex: 1;
}

.guarantee-points {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.guarantee-point {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.guarantee-point-title {
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.guarantee-point-text {
    color: var(--gray-600);
    line-height: 1.8;
}

@media (min-width: 768px) {
    .guarantee-container {
        flex-direction: row;
        gap: var(--spacing-xl);
    }
}

/* ====================================
   SECTION 11: BENEFITS
   ==================================== */
.benefits-section {
    background: var(--white);
}

.benefits-list {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.benefit-item {
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-start;
    background: var(--light-color);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    transition: var(--transition-base);
}

.benefit-item:hover {
    background: var(--white);
    box-shadow: var(--shadow-md);
    transform: translateX(10px);
}

.benefit-icon {
    width: 48px;
    height: 48px;
    min-width: 48px;
    background: var(--primary-gradient);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 700;
}

.benefit-content {
    flex: 1;
}

.benefit-title {
    color: var(--dark-color);
    margin-bottom: 8px;
}

.benefit-description {
    color: var(--gray-600);
    line-height: 1.7;
}

/* ====================================
   SECTION 13: FAQ SECTION
   ==================================== */
.faq-section {
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.05) 0%, rgba(6, 182, 212, 0.05) 100%);
}

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

.faq-item {
    background: var(--white);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-sm);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-base);
}

.faq-item:hover {
    box-shadow: var(--shadow-md);
}

.faq-header {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    background: var(--white);
    cursor: pointer;
    min-height: 48px;
    transition: var(--transition-base);
}

.faq-header:hover {
    background: var(--gray-100);
}

.faq-question {
    font-size: 17px;
    font-weight: 700;
    color: var(--dark-color);
    text-align: left;
}

.faq-icon {
    font-size: 28px;
    font-weight: 300;
    color: var(--primary-color);
    transition: var(--transition-base);
    flex-shrink: 0;
    margin-left: 16px;
}

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

.faq-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-content p {
    padding: 0 20px 20px;
    color: var(--gray-600);
    line-height: 1.8;
}

@media (min-width: 768px) {
    .faq-header {
        padding: 24px;
    }
    
    .faq-question {
        font-size: 19px;
    }
    
    .faq-content p {
        padding: 0 24px 24px;
        font-size: 17px;
    }
}

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

.final-cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    animation: rotate 20s linear infinite;
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

.final-cta-container {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    align-items: center;
    text-align: center;
}

.final-cta-image {
    max-width: 400px;
    animation: bounceIn 1s ease-out;
}

@keyframes bounceIn {
    0% {
        opacity: 0;
        transform: scale(0.3);
    }
    50% {
        transform: scale(1.05);
    }
    70% {
        transform: scale(0.9);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}

.final-cta-image img {
    filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.3));
}

.final-cta-content {
    animation: fadeInUp 1.2s ease-out;
}

.final-cta-title {
    color: var(--white);
    margin-bottom: var(--spacing-md);
}

.final-cta-pricing {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

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

.final-price-new {
    font-size: 36px;
    font-weight: 800;
    color: var(--warning-color);
}

.final-cta-btn {
    background: var(--white);
    color: var(--primary-color);
}

.final-cta-btn:hover {
    background: var(--warning-color);
    color: var(--white);
}

.final-cta-note {
    margin-top: var(--spacing-md);
    font-size: 14px;
    opacity: 0.9;
}

@media (min-width: 768px) {
    .final-cta-container {
        flex-direction: row;
        text-align: left;
    }
    
    .final-price-new {
        font-size: 48px;
    }
}

/* ====================================
   SECTION 17: FOOTER
   ==================================== */
.footer {
    background: var(--dark-color);
    color: var(--white);
    padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    text-align: center;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-sm);
    align-items: center;
}

.footer-link {
    color: var(--white);
    font-size: 14px;
    transition: var(--transition-base);
}

.footer-link:hover {
    color: var(--secondary-color);
}

.footer-separator {
    color: var(--gray-400);
}

.footer-disclaimer {
    font-size: 13px;
    line-height: 1.7;
    color: var(--gray-300);
    max-width: 900px;
    margin: 0 auto;
}

.footer-social {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
}

.social-icon {
    width: 44px;
    height: 44px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-base);
}

.social-icon:hover {
    background: var(--primary-color);
    transform: translateY(-5px);
}

.footer-copyright {
    font-size: 14px;
    color: var(--gray-400);
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* ====================================
   SCROLL TO TOP BUTTON
   ==================================== */
.scroll-top-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 56px;
    height: 56px;
    background: var(--primary-gradient);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-base);
    z-index: 999;
    cursor: pointer;
}

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

.scroll-top-btn:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

@media (max-width: 767px) {
    .scroll-top-btn {
        bottom: 20px;
        right: 20px;
    }
}

/* ====================================
   CTA POPUP
   ==================================== */
.cta-popup {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%) translateY(200px);
    max-width: 400px;
    width: calc(100% - 40px);
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    padding: var(--spacing-lg);
    z-index: 1001;
    opacity: 0;
    transition: var(--transition-base);
}

.cta-popup.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

.popup-close {
    position: absolute;
    top: 12px;
    right: 12px;
    width: 32px;
    height: 32px;
    background: var(--gray-200);
    color: var(--dark-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    line-height: 1;
    cursor: pointer;
    transition: var(--transition-base);
}

.popup-close:hover {
    background: var(--danger-color);
    color: var(--white);
}

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

.popup-title {
    font-size: 22px;
    color: var(--dark-color);
    margin-bottom: var(--spacing-sm);
}

.popup-text {
    font-size: 16px;
    color: var(--gray-600);
    margin-bottom: var(--spacing-md);
}

.popup-cta {
    width: 100%;
}

@media (min-width: 768px) {
    .cta-popup {
        max-width: 450px;
    }
}

/* ====================================
   PURCHASE NOTIFICATION
   ==================================== */
.purchase-notification {
    position: fixed;
    bottom: 20px;
    left: 20px;
    max-width: 320px;
    background: var(--white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-xl);
    padding: 16px;
    z-index: 1000;
    transform: translateX(-400px);
    opacity: 0;
    transition: var(--transition-base);
}

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

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

.notification-icon {
    font-size: 32px;
    flex-shrink: 0;
}

.notification-text {
    flex: 1;
}

.notification-name {
    font-size: 15px;
    font-weight: 700;
    color: var(--dark-color);
}

.notification-location {
    color: var(--gray-600);
}

.notification-text p {
    font-size: 13px;
    color: var(--gray-600);
    margin: 4px 0 0;
}

@media (max-width: 767px) {
    .purchase-notification {
        left: 50%;
        transform: translateX(-50%) translateY(100px);
        max-width: calc(100% - 40px);
    }
    
    .purchase-notification.show {
        transform: translateX(-50%) translateY(0);
    }
}

/* ====================================
   UTILITY CLASSES
   ==================================== */
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
}

.fade-in-up.visible {
    animation: fadeInUp 0.6s ease-out forwards;
}

/* 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 OPTIMIZATION
   ==================================== */
img[loading="lazy"] {
    opacity: 0;
    transition: opacity 0.3s;
}

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