/* ================================
   PINK GELATIN WEIGHT LOSS - STYLES.CSS
   Modern Gradient Design
   Mobile-First Responsive
   ================================ */

/* ================================
   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: 1.6;
    color: #333;
    background: #fff;
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

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

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

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

@media (min-width: 768px) {
    .container {
        padding: 0 30px;
    }
}

@media (min-width: 1024px) {
    .container {
        padding: 0 40px;
    }
}

/* ================================
   TYPOGRAPHY
   ================================ */
h1 {
    font-size: 28px;
    line-height: 1.2;
    font-weight: 700;
    margin-bottom: 20px;
    color: #1a1a1a;
}

h2 {
    font-size: 24px;
    line-height: 1.3;
    font-weight: 700;
    margin-bottom: 16px;
    color: #1a1a1a;
}

h3 {
    font-size: 20px;
    line-height: 1.4;
    font-weight: 600;
    margin-bottom: 12px;
    color: #1a1a1a;
}

p {
    font-size: 16px;
    line-height: 1.7;
    margin-bottom: 16px;
    color: #555;
}

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

    h2 {
        font-size: 30px;
    }

    h3 {
        font-size: 22px;
    }
}

@media (min-width: 1024px) {
    h1 {
        font-size: 44px;
    }

    h2 {
        font-size: 34px;
    }

    h3 {
        font-size: 24px;
    }
}

.section-title {
    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: 30px;
}

.section-subtitle {
    text-align: center;
    font-size: 18px;
    color: #666;
    margin-bottom: 30px;
}

/* ================================
   BUTTONS
   ================================ */
.btn {
    display: inline-block;
    padding: 14px 32px;
    font-size: 16px;
    font-weight: 600;
    text-align: center;
    border-radius: 50px;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    min-height: 48px;
    line-height: 1.5;
}

.btn-primary {
    background: linear-gradient(135deg, #4F46E5 0%, #06B6D4 100%);
    color: #fff;
    box-shadow: 0 4px 15px rgba(79, 70, 229, 0.3);
}

.btn-primary:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 25px rgba(79, 70, 229, 0.4);
}

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

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

.btn-arrow {
    margin-left: 8px;
    display: inline-block;
    transition: transform 0.3s ease;
}

.btn:hover .btn-arrow {
    transform: translateX(5px);
}

@media (max-width: 576px) {
    .btn {
        width: 100%;
        padding: 16px 24px;
    }

    .btn-large {
        padding: 20px 32px;
    }
}

/* ================================
   SECTION 1: NAVIGATION MENU
   ================================ */
#main-header {
    position: sticky;
    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, 0.1);
    z-index: 1000;
    transition: all 0.3s ease;
}

#main-header.scrolled {
    padding: 8px 0;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.15);
}

.navbar {
    padding: 16px 0;
}

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

.logo a {
    font-size: 20px;
    font-weight: 700;
    background: linear-gradient(135deg, #4F46E5 0%, #06B6D4 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hamburger {
    display: none;
    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);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 40px;
}

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

.nav-link {
    font-size: 16px;
    font-weight: 500;
    color: #333;
    transition: color 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: 10px 24px;
    min-height: 44px;
}

@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(10px);
        flex-direction: column;
        justify-content: flex-start;
        padding: 80px 30px 30px;
        gap: 30px;
        box-shadow: -5px 0 30px rgba(0, 0, 0, 0.1);
        transition: right 0.4s ease;
        z-index: 999;
    }

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

    .nav-links {
        flex-direction: column;
        width: 100%;
        gap: 20px;
    }

    .nav-link {
        font-size: 18px;
        width: 100%;
        padding: 10px 0;
    }

    .nav-cta {
        width: 100%;
    }
}

/* ================================
   SECTION 2: HERO SECTION
   ================================ */
.hero-section {
    position: relative;
    padding: 60px 0;
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 20% 50%, rgba(79, 70, 229, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 80%, rgba(6, 182, 212, 0.1) 0%, transparent 50%);
    z-index: 0;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-image {
    order: 1;
}

.hero-text {
    order: 2;
}

.image-wrapper {
    position: relative;
    max-width: 400px;
    margin: 0 auto;
}

.image-wrapper img {
    position: relative;
    z-index: 2;
    filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.15));
}

.glow-effect {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80%;
    height: 80%;
    background: radial-gradient(circle, rgba(79, 70, 229, 0.3) 0%, transparent 70%);
    border-radius: 50%;
    filter: blur(40px);
    z-index: 1;
    animation: pulse 3s ease-in-out infinite;
}

/* Hero Animations */
@keyframes pulse {
    0%, 100% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 0.6;
    }
    50% {
        transform: translate(-50%, -50%) scale(1.1);
        opacity: 0.8;
    }
}

.animate-float {
    animation: float 6s ease-in-out infinite;
}

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

.fade-in-up {
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards;
}

.delay-1 {
    animation-delay: 0.2s;
}

.delay-2 {
    animation-delay: 0.4s;
}

.delay-3 {
    animation-delay: 0.6s;
}

.delay-4 {
    animation-delay: 0.8s;
}

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

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

    .hero-content {
        grid-template-columns: 1fr 1fr;
        gap: 60px;
    }

    .hero-image {
        order: 1;
    }

    .hero-text {
        order: 2;
    }
}

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

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

/* ================================
   SECTION 3: WHY CHOOSE US
   ================================ */
.why-choose-section {
    padding: 60px 0;
    background: #fff;
}

.badges-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
    margin-top: 40px;
}

.badge-card {
    background: #fff;
    border-radius: 20px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.4s ease;
    border: 2px solid transparent;
}

.badge-card:hover {
    transform: scale(1.05) rotate(2deg);
    box-shadow: 0 8px 40px rgba(79, 70, 229, 0.2);
    border-color: #4F46E5;
}

.badge-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
}

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

.badge-card h3 {
    color: #1a1a1a;
    margin-bottom: 12px;
}

.badge-card p {
    font-size: 15px;
    color: #666;
    line-height: 1.6;
}

/* Scroll Reveal Animation */
.scroll-reveal {
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.6s ease;
}

.scroll-reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

@media (min-width: 576px) {
    .badges-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }
}

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

    .why-choose-section {
        padding: 80px 0;
    }
}

/* ================================
   SECTION 4: WHAT IS PRODUCT
   ================================ */
.what-is-section {
    padding: 60px 0;
    background: linear-gradient(135deg, #f9fafb 0%, #f3f4f6 100%);
}

.content-split {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    align-items: center;
}

.content-text h2 {
    text-align: left;
    margin-bottom: 24px;
}

.content-image {
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

@media (min-width: 768px) {
    .content-split {
        grid-template-columns: 1fr 1fr;
        gap: 60px;
    }

    .what-is-section {
        padding: 80px 0;
    }
}

/* ================================
   SECTION 5: HOW IT WORKS
   ================================ */
.how-it-works-section {
    padding: 60px 0;
    background: #fff;
}

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

.accordion-item {
    background: #fff;
    border-radius: 12px;
    margin-bottom: 16px;
    overflow: hidden;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

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

.accordion-header {
    width: 100%;
    padding: 20px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 18px;
    font-weight: 600;
    color: #1a1a1a;
    text-align: left;
    min-height: 60px;
}

.accordion-header:hover {
    background: linear-gradient(135deg, #4F46E5 0%, #06B6D4 100%);
    color: #fff;
}

.accordion-icon {
    font-size: 28px;
    font-weight: 300;
    transition: transform 0.3s ease;
    flex-shrink: 0;
    margin-left: 16px;
}

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

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
    padding: 0 24px;
}

.accordion-item.active .accordion-content {
    max-height: 500px;
    padding: 20px 24px;
}

.accordion-content p {
    font-size: 16px;
    line-height: 1.7;
    color: #555;
}

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

    .accordion-header {
        padding: 24px 32px;
        font-size: 20px;
    }
}

/* ================================
   SECTION 6: CUSTOMER REVIEWS
   ================================ */
.reviews-section {
    padding: 60px 0;
    background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
}

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

.review-card {
    background: #fff;
    border-radius: 20px;
    padding: 30px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.4s ease;
}

.review-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 12px 40px rgba(79, 70, 229, 0.2);
}

.review-header {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
    align-items: flex-start;
}

.customer-photo {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid #4F46E5;
    flex-shrink: 0;
}

.customer-info h4 {
    font-size: 18px;
    color: #1a1a1a;
    margin-bottom: 4px;
}

.location {
    font-size: 14px;
    color: #888;
    margin-bottom: 8px;
}

.star-rating {
    color: #fbbf24;
    font-size: 18px;
    letter-spacing: 2px;
}

.review-text p {
    font-size: 16px;
    line-height: 1.7;
    color: #555;
    font-style: italic;
}

/* Review Animation */
.review-animate {
    opacity: 0;
    transform: scale(0.9);
    transition: all 0.6s ease;
}

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

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

    .reviews-section {
        padding: 80px 0;
    }
}

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

/* ================================
   SECTION 7 & 12: PRICING
   ================================ */
.pricing-section {
    padding: 60px 0;
    background: #fff;
}

.pricing-section-second {
    background: linear-gradient(135deg, #f9fafb 0%, #f3f4f6 100%);
}

.countdown-timer {
    text-align: center;
    margin: 30px 0 50px;
    padding: 24px;
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(251, 191, 36, 0.3);
}

.timer-label {
    font-size: 18px;
    font-weight: 600;
    color: #92400e;
    margin-bottom: 12px;
}

.timer-display {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 12px;
    font-size: 42px;
    font-weight: 700;
    color: #dc2626;
}

.timer-segment {
    display: flex;
    flex-direction: column;
    align-items: center;
    background: #fff;
    padding: 16px 24px;
    border-radius: 12px;
    min-width: 100px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.timer-label-small {
    font-size: 12px;
    color: #666;
    font-weight: 500;
    margin-top: 4px;
}

.timer-separator {
    color: #dc2626;
    font-size: 36px;
}

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

.pricing-card {
    background: #fff;
    border-radius: 20px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 3px solid transparent;
    position: relative;
}

.pricing-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(79, 70, 229, 0.2);
}

.pricing-card-popular {
    border-color: #4F46E5;
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    transform: scale(1.05);
}

.popular-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, #dc2626 0%, #ef4444 100%);
    color: #fff;
    padding: 6px 24px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 1px;
}

.pricing-label {
    display: inline-block;
    background: linear-gradient(135deg, #4F46E5 0%, #06B6D4 100%);
    color: #fff;
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 16px;
}

.pricing-card h3 {
    font-size: 24px;
    color: #1a1a1a;
    margin-bottom: 8px;
}

.supply-text {
    font-size: 14px;
    color: #666;
    margin-bottom: 24px;
}

.product-image-pricing {
    margin: 24px 0;
}

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

.price-per-bottle {
    font-size: 36px;
    font-weight: 700;
    color: #4F46E5;
    margin-bottom: 12px;
}

.price-per-bottle span {
    font-size: 18px;
    color: #666;
}

.total-price {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 16px;
    margin-bottom: 20px;
}

.old-price {
    font-size: 24px;
    color: #999;
    text-decoration: line-through;
}

.new-price {
    font-size: 32px;
    font-weight: 700;
    color: #dc2626;
}

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

.bonus-badge {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: #fff;
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 600;
}

.btn-pricing {
    width: 100%;
    margin-bottom: 20px;
    min-height: 50px;
}

.payment-logos {
    margin-top: 16px;
    opacity: 0.7;
}

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

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

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

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

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

    .pricing-section {
        padding: 80px 0;
    }

    .timer-display {
        font-size: 52px;
    }

    .timer-segment {
        min-width: 120px;
        padding: 20px 30px;
    }
}

/* ================================
   SECTION 8: INGREDIENTS
   ================================ */
.ingredients-section {
    padding: 60px 0;
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
}

.ingredients-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
    margin-top: 40px;
}

.ingredient-card {
    background: #fff;
    border-radius: 16px;
    padding: 24px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border-left: 4px solid #4F46E5;
}

.ingredient-card:hover {
    transform: translateX(8px);
    box-shadow: 0 6px 30px rgba(79, 70, 229, 0.2);
}

.ingredient-card h3 {
    color: #4F46E5;
    margin-bottom: 12px;
}

.ingredient-card p {
    font-size: 15px;
    line-height: 1.7;
    color: #555;
}

@media (min-width: 768px) {
    .ingredients-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }

    .ingredients-section {
        padding: 80px 0;
    }
}

@media (min-width: 1024px) {
    .ingredients-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* ================================
   SECTION 9: SCIENTIFIC EVIDENCE
   ================================ */
.scientific-section {
    padding: 60px 0;
    background: #fff;
}

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

.evidence-item {
    background: #fff;
    border-radius: 12px;
    margin-bottom: 16px;
    overflow: hidden;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.08);
}

.evidence-header {
    width: 100%;
    padding: 20px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 16px;
    font-weight: 600;
    color: #1a1a1a;
    text-align: left;
    min-height: 60px;
}

.evidence-header:hover {
    background: linear-gradient(135deg, #4F46E5 0%, #06B6D4 100%);
    color: #fff;
}

.evidence-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
    padding: 0 24px;
}

.evidence-item.active .evidence-content {
    max-height: 800px;
    padding: 20px 24px;
}

.evidence-content p {
    font-size: 16px;
    line-height: 1.8;
    color: #555;
}

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

    .evidence-header {
        padding: 24px 32px;
        font-size: 18px;
    }
}

/* ================================
   SECTION 10: GUARANTEE
   ================================ */
.guarantee-section {
    padding: 60px 0;
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
}

.guarantee-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    align-items: center;
}

.guarantee-image {
    text-align: center;
}

.guarantee-image img {
    max-width: 350px;
    margin: 0 auto;
    filter: drop-shadow(0 10px 30px rgba(0, 0, 0, 0.2));
}

.guarantee-text h2 {
    text-align: left;
    margin-bottom: 30px;
}

.guarantee-point {
    background: #fff;
    border-radius: 16px;
    padding: 24px;
    margin-bottom: 20px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    border-left: 5px solid #10b981;
}

.guarantee-point h3 {
    color: #10b981;
    margin-bottom: 12px;
}

.guarantee-point p {
    font-size: 15px;
    line-height: 1.7;
    color: #555;
}

@media (min-width: 768px) {
    .guarantee-content {
        grid-template-columns: 1fr 1fr;
        gap: 60px;
    }

    .guarantee-section {
        padding: 80px 0;
    }
}

/* ================================
   SECTION 11: BENEFITS
   ================================ */
.benefits-section {
    padding: 60px 0;
    background: #fff;
}

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

.benefit-item {
    display: flex;
    gap: 20px;
    align-items: flex-start;
    background: #fff;
    border-radius: 16px;
    padding: 24px;
    margin-bottom: 20px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.benefit-item:hover {
    transform: translateX(10px);
    box-shadow: 0 6px 30px rgba(79, 70, 229, 0.2);
}

.benefit-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 700;
    flex-shrink: 0;
}

.benefit-text h3 {
    color: #1a1a1a;
    margin-bottom: 8px;
}

.benefit-text p {
    font-size: 15px;
    line-height: 1.6;
    color: #666;
    margin-bottom: 0;
}

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

/* ================================
   SECTION 13: FAQ
   ================================ */
.faq-section {
    padding: 60px 0;
    background: linear-gradient(135deg, #f9fafb 0%, #f3f4f6 100%);
}

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

.faq-item {
    background: #fff;
    border-radius: 12px;
    margin-bottom: 16px;
    overflow: hidden;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.08);
}

.faq-header {
    width: 100%;
    padding: 20px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: #fff;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 17px;
    font-weight: 600;
    color: #1a1a1a;
    text-align: left;
    min-height: 60px;
    border-left: 4px solid transparent;
}

.faq-header:hover {
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    border-left-color: #4F46E5;
}

.faq-item.active .faq-header {
    background: linear-gradient(135deg, #4F46E5 0%, #06B6D4 100%);
    color: #fff;
    border-left-color: #06B6D4;
}

.faq-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
    padding: 0 24px;
    background: #f9fafb;
}

.faq-item.active .faq-content {
    max-height: 800px;
    padding: 20px 24px;
}

.faq-content p {
    font-size: 15px;
    line-height: 1.8;
    color: #555;
}

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

    .faq-header {
        padding: 24px 32px;
        font-size: 18px;
    }
}

/* ================================
   SECTION 16: FINAL CTA
   ================================ */
.final-cta-section {
    padding: 60px 0;
    background: linear-gradient(135deg, #4F46E5 0%, #06B6D4 100%);
    color: #fff;
}

.final-cta-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    align-items: center;
}

.final-cta-image img {
    max-width: 350px;
    margin: 0 auto;
    filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.3));
    animation: float 6s ease-in-out infinite;
}

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

.final-cta-text h2 {
    color: #fff;
    margin-bottom: 30px;
    font-size: 28px;
}

.final-pricing {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 30px;
}

.final-regular-price {
    font-size: 20px;
    opacity: 0.9;
}

.final-regular-price del {
    color: #fca5a5;
}

.final-special-price {
    font-size: 42px;
    font-weight: 700;
    color: #fef3c7;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
}

.btn-final {
    background: #fff;
    color: #4F46E5;
    margin-bottom: 24px;
}

.btn-final:hover {
    background: #fef3c7;
    color: #1a1a1a;
}

.final-guarantee {
    font-size: 16px;
    line-height: 1.8;
    opacity: 0.95;
}

@media (min-width: 768px) {
    .final-cta-content {
        grid-template-columns: 1fr 1fr;
        gap: 60px;
    }

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

    .final-cta-text h2 {
        font-size: 36px;
    }

    .final-special-price {
        font-size: 52px;
    }

    .final-cta-section {
        padding: 80px 0;
    }
}

/* ================================
   SECTION 17: FOOTER
   ================================ */
.footer-section {
    background: #1a1a1a;
    color: #fff;
    padding: 50px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-column h3 {
    color: #fff;
    margin-bottom: 20px;
    font-size: 18px;
}

.footer-links li {
    margin-bottom: 12px;
}

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

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

.social-icons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.social-icons a {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, #4F46E5 0%, #06B6D4 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.social-icons a:hover {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 4px 20px rgba(79, 70, 229, 0.4);
}

.footer-disclaimer {
    background: rgba(255, 255, 255, 0.05);
    padding: 24px;
    border-radius: 12px;
    margin-bottom: 24px;
}

.footer-disclaimer p {
    font-size: 13px;
    line-height: 1.7;
    color: #ccc;
    margin-bottom: 0;
}

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

.footer-copyright p {
    font-size: 14px;
    color: #999;
    margin-bottom: 0;
}

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

/* ================================
   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: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px 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: scale(1.1) translateY(-3px);
    box-shadow: 0 6px 30px rgba(79, 70, 229, 0.5);
}

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

/* ================================
   EXIT INTENT POPUP
   ================================ */
.popup-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.75);
    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;
}

.popup-overlay.active {
    opacity: 1;
    visibility: visible;
}

.popup-content {
    background: #fff;
    border-radius: 24px;
    max-width: 500px;
    width: 100%;
    position: relative;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    transform: scale(0.8);
    transition: transform 0.3s ease;
}

.popup-overlay.active .popup-content {
    transform: scale(1);
}

.popup-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 36px;
    height: 36px;
    background: #f3f4f6;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: #666;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 1;
}

.popup-close:hover {
    background: #dc2626;
    color: #fff;
    transform: rotate(90deg);
}

.popup-inner {
    padding: 50px 40px;
    text-align: center;
}

.popup-inner h3 {
    font-size: 28px;
    color: #1a1a1a;
    margin-bottom: 16px;
}

.popup-inner p {
    font-size: 18px;
    color: #555;
    margin-bottom: 12px;
}

.popup-subtext {
    font-size: 16px;
    color: #888;
    margin-bottom: 30px;
}

.btn-popup {
    width: 100%;
    max-width: 350px;
    margin: 0 auto;
}

@media (max-width: 576px) {
    .popup-inner {
        padding: 40px 30px;
    }

    .popup-inner h3 {
        font-size: 24px;
    }

    .popup-inner p {
        font-size: 16px;
    }
}

/* ================================
   PURCHASE NOTIFICATION
   ================================ */
.purchase-notification {
    position: fixed;
    bottom: 30px;
    left: 30px;
    background: #fff;
    border-radius: 12px;
    padding: 16px 20px;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.2);
    display: flex;
    align-items: center;
    gap: 12px;
    z-index: 9998;
    transform: translateX(-400px);
    transition: transform 0.4s ease;
    max-width: 350px;
}

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

.notification-icon {
    font-size: 24px;
    flex-shrink: 0;
}

.notification-text {
    display: flex;
    flex-direction: column;
    font-size: 14px;
    line-height: 1.4;
}

.notification-text strong {
    color: #4F46E5;
    font-weight: 600;
    margin-bottom: 2px;
}

.notification-text span {
    color: #666;
}

@media (max-width: 576px) {
    .purchase-notification {
        bottom: 20px;
        left: 20px;
        right: 20px;
        max-width: calc(100% - 40px);
        padding: 14px 16px;
    }

    .notification-text {
        font-size: 13px;
    }
}

/* ================================
   PREFERS 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 ease;
}

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

/* ================================
   ACCESSIBILITY
   ================================ */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

*:focus-visible {
    outline: 3px solid #4F46E5;
    outline-offset: 2px;
}

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

    body {
        background: #fff;
        color: #000;
    }
}