/* ================================================
   VIGOR BOOST - MODERN GRADIENT DESIGN
   Mobile-First Responsive Stylesheet
   ================================================ */

/* ===== 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: 1.6;
    color: #1a202c;
    background: #ffffff;
    overflow-x: hidden;
}

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

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

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

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

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

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

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

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

/* ===== SECTION TITLES ===== */
.section-title {
    font-size: 28px;
    font-weight: 800;
    text-align: center;
    margin-bottom: 16px;
    line-height: 1.2;
}

.section-subtitle {
    font-size: 16px;
    text-align: center;
    color: #64748b;
    margin-bottom: 40px;
}

@media (min-width: 768px) {
    .section-title {
        font-size: 36px;
        margin-bottom: 20px;
    }
    
    .section-subtitle {
        font-size: 18px;
        margin-bottom: 60px;
    }
}

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

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 28px;
    font-size: 16px;
    font-weight: 600;
    border-radius: 50px;
    transition: all 0.3s ease;
    text-align: center;
    min-height: 48px;
    cursor: pointer;
}

.btn-primary {
    background: linear-gradient(135deg, #4F46E5 0%, #06B6D4 100%);
    color: #ffffff;
    box-shadow: 0 10px 30px rgba(79, 70, 229, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 40px rgba(79, 70, 229, 0.4);
}

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

.btn-large {
    padding: 16px 36px;
    font-size: 18px;
    min-height: 56px;
}

.btn-block {
    width: 100%;
}

@media (min-width: 768px) {
    .btn {
        padding: 16px 32px;
    }
    
    .btn-large {
        padding: 18px 40px;
        font-size: 20px;
    }
}

/* Pulse Animation */
@keyframes pulse {
    0%, 100% {
        box-shadow: 0 10px 30px rgba(79, 70, 229, 0.3);
    }
    50% {
        box-shadow: 0 15px 50px rgba(79, 70, 229, 0.6);
    }
}

.pulse-animation {
    animation: pulse 2s infinite;
}

/* ===== NAVIGATION ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-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 {
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 22px;
    font-weight: 800;
    background: linear-gradient(135deg, #4F46E5 0%, #06B6D4 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

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

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

.hamburger span {
    display: block;
    width: 100%;
    height: 3px;
    background: linear-gradient(135deg, #4F46E5 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 Menu */
.nav-menu {
    position: fixed;
    top: 70px;
    right: -100%;
    width: 100%;
    max-width: 300px;
    height: calc(100vh - 70px);
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    list-style: none;
    padding: 30px 20px;
    display: flex;
    flex-direction: column;
    gap: 20px;
    box-shadow: -5px 0 30px rgba(0, 0, 0, 0.1);
    transition: right 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

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

.nav-link {
    font-size: 16px;
    font-weight: 500;
    color: #334155;
    padding: 12px 16px;
    border-radius: 12px;
    transition: all 0.3s ease;
    display: block;
    min-height: 44px;
    display: flex;
    align-items: center;
}

.nav-link:hover {
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.1) 0%, rgba(6, 182, 212, 0.1) 100%);
    color: #4F46E5;
}

.nav-cta {
    background: linear-gradient(135deg, #4F46E5 0%, #06B6D4 100%);
    color: #ffffff;
    padding: 12px 24px;
    border-radius: 50px;
    font-weight: 600;
    text-align: center;
    min-height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(79, 70, 229, 0.3);
}

@media (min-width: 768px) {
    .hamburger {
        display: none;
    }
    
    .nav-menu {
        position: static;
        flex-direction: row;
        align-items: center;
        height: auto;
        max-width: none;
        background: transparent;
        padding: 0;
        box-shadow: none;
        gap: 30px;
    }
    
    .nav-link {
        padding: 8px 16px;
        min-height: auto;
    }
    
    .nav-cta {
        min-height: 44px;
    }
}

/* ===== HERO SECTION ===== */
.hero {
    padding: 120px 0 60px;
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.03) 0%, rgba(6, 182, 212, 0.03) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(79, 70, 229, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 20s ease-in-out infinite;
}

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

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

.hero-image {
    position: relative;
    display: flex;
    justify-content: center;
}

.product-showcase {
    position: relative;
    animation: productFloat 4s ease-in-out infinite;
}

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

.product-showcase img {
    max-width: 280px;
    filter: drop-shadow(0 20px 40px rgba(79, 70, 229, 0.2));
}

.glow-effect {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(79, 70, 229, 0.2) 0%, transparent 70%);
    border-radius: 50%;
    animation: glow 3s ease-in-out infinite;
    z-index: -1;
}

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

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

.hero-title {
    font-size: 32px;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 20px;
}

.hero-description {
    font-size: 16px;
    line-height: 1.8;
    color: #475569;
    margin-bottom: 16px;
}

.hero-features {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
    margin-top: 30px;
}

.feature-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    background: rgba(79, 70, 229, 0.08);
    border-radius: 50px;
    font-size: 14px;
    font-weight: 500;
    color: #4F46E5;
}

.feature-badge i {
    font-size: 16px;
}

@media (min-width: 768px) {
    .hero {
        padding: 140px 0 80px;
    }
    
    .hero-grid {
        grid-template-columns: 1fr 1fr;
        gap: 60px;
    }
    
    .hero-content {
        text-align: left;
    }
    
    .hero-title {
        font-size: 42px;
    }
    
    .hero-description {
        font-size: 18px;
    }
    
    .product-showcase img {
        max-width: 350px;
    }
    
    .hero-features {
        justify-content: flex-start;
    }
}

@media (min-width: 1024px) {
    .hero-title {
        font-size: 52px;
    }
    
    .product-showcase img {
        max-width: 400px;
    }
}

/* ===== WHY CHOOSE US ===== */
.why-choose {
    padding: 60px 0;
}

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

.feature-card {
    background: #ffffff;
    border-radius: 24px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 60px rgba(79, 70, 229, 0.15);
    border-color: rgba(79, 70, 229, 0.2);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.1) 0%, rgba(6, 182, 212, 0.1) 100%);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 12px;
}

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

.feature-card h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
    color: #1e293b;
}

.feature-card p {
    font-size: 15px;
    line-height: 1.7;
    color: #64748b;
}

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

@media (min-width: 992px) {
    .features-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .why-choose {
        padding: 80px 0;
    }
}

/* ===== WHAT IS SECTION ===== */
.what-is {
    padding: 60px 0;
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.02) 0%, rgba(6, 182, 212, 0.02) 100%);
}

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

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

.what-is-content p {
    font-size: 16px;
    line-height: 1.8;
    color: #475569;
    margin-bottom: 16px;
}

.what-is-image img {
    border-radius: 24px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
}

@media (min-width: 768px) {
    .what-is {
        padding: 80px 0;
    }
    
    .what-is-grid {
        grid-template-columns: 1fr 1fr;
        gap: 60px;
    }
    
    .what-is-content p {
        font-size: 17px;
    }
}

/* ===== HOW IT WORKS ===== */
.how-it-works {
    padding: 60px 0;
}

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

.accordion-item {
    background: #ffffff;
    border-radius: 16px;
    margin-bottom: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
    overflow: hidden;
    border: 2px solid transparent;
    transition: all 0.3s ease;
}

.accordion-item:hover {
    border-color: rgba(79, 70, 229, 0.2);
}

.accordion-header {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    font-size: 16px;
    font-weight: 600;
    text-align: left;
    cursor: pointer;
    transition: all 0.3s ease;
    min-height: 48px;
    color: #1e293b;
}

.accordion-header span {
    display: flex;
    align-items: center;
    gap: 12px;
}

.accordion-header i.fa-chevron-down {
    transition: transform 0.3s ease;
    color: #4F46E5;
    font-size: 14px;
}

.accordion-item.active .accordion-header i.fa-chevron-down {
    transform: rotate(180deg);
}

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

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

.accordion-content p {
    padding: 0 24px 24px;
    font-size: 15px;
    line-height: 1.8;
    color: #64748b;
}

@media (min-width: 768px) {
    .how-it-works {
        padding: 80px 0;
    }
    
    .accordion-header {
        padding: 24px 28px;
        font-size: 18px;
    }
    
    .accordion-content p {
        padding: 0 28px 28px;
        font-size: 16px;
    }
}

/* ===== REVIEWS SECTION ===== */
.reviews {
    padding: 60px 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: 24px;
    margin-bottom: 40px;
}

.review-card {
    background: #ffffff;
    border-radius: 24px;
    padding: 28px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.review-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 60px rgba(79, 70, 229, 0.15);
    border-color: rgba(79, 70, 229, 0.2);
}

.review-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 20px;
}

.review-header img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid rgba(79, 70, 229, 0.2);
}

.review-header h4 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 4px;
    color: #1e293b;
}

.location {
    font-size: 14px;
    color: #64748b;
    margin-bottom: 8px;
}

.rating {
    display: flex;
    gap: 4px;
}

.rating i {
    color: #F59E0B;
    font-size: 14px;
}

.review-content p {
    font-size: 15px;
    line-height: 1.7;
    color: #475569;
    font-style: italic;
}

.verified-badge {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid rgba(0, 0, 0, 0.06);
    font-size: 13px;
    color: #10B981;
    font-weight: 500;
}

.verified-badge i {
    font-size: 16px;
}

.review-stats {
    text-align: center;
    padding-top: 20px;
}

.review-stats img {
    max-width: 200px;
    margin: 0 auto 12px;
}

.review-stats p {
    font-size: 16px;
    color: #64748b;
}

@media (min-width: 768px) {
    .reviews {
        padding: 80px 0;
    }
    
    .reviews-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }
}

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

/* ===== PRICING SECTION ===== */
.pricing {
    padding: 60px 0;
}

.pricing-second {
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.02) 0%, rgba(6, 182, 212, 0.02) 100%);
}

.countdown-timer {
    max-width: 600px;
    margin: 0 auto 40px;
    text-align: center;
    background: linear-gradient(135deg, #4F46E5 0%, #06B6D4 100%);
    padding: 20px;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(79, 70, 229, 0.3);
}

.timer-label {
    color: #ffffff;
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 12px;
}

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

.time-unit {
    display: flex;
    flex-direction: column;
    align-items: center;
    background: rgba(255, 255, 255, 0.2);
    padding: 16px 24px;
    border-radius: 12px;
    min-width: 90px;
}

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

.time-label {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.9);
    margin-top: 4px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.time-separator {
    font-size: 32px;
    font-weight: 800;
    color: #ffffff;
}

@media (min-width: 768px) {
    .timer-label {
        font-size: 18px;
    }
    
    .time-unit {
        min-width: 110px;
        padding: 20px 28px;
    }
    
    .time-value {
        font-size: 48px;
    }
}

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

.pricing-card {
    background: #ffffff;
    border-radius: 24px;
    padding: 28px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.pricing-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 60px rgba(79, 70, 229, 0.15);
}

.pricing-card.popular {
    border-color: #4F46E5;
    box-shadow: 0 15px 50px rgba(79, 70, 229, 0.2);
}

.popular-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: linear-gradient(135deg, #F59E0B 0%, #EF4444 100%);
    color: #ffffff;
    padding: 6px 16px;
    border-radius: 50px;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.pricing-label {
    text-align: center;
    font-size: 14px;
    font-weight: 700;
    color: #4F46E5;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 16px;
}

.pricing-header {
    text-align: center;
    margin-bottom: 20px;
}

.pricing-header h3 {
    font-size: 24px;
    font-weight: 800;
    color: #1e293b;
    margin-bottom: 6px;
}

.supply {
    font-size: 14px;
    color: #64748b;
}

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

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

.pricing-price {
    text-align: center;
    margin-bottom: 16px;
}

.price-per {
    font-size: 48px;
    font-weight: 800;
    background: linear-gradient(135deg, #4F46E5 0%, #06B6D4 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.price-label {
    display: block;
    font-size: 14px;
    color: #64748b;
    margin-top: 4px;
}

.pricing-total {
    text-align: center;
    margin-bottom: 16px;
    font-size: 20px;
}

.old-price {
    text-decoration: line-through;
    color: #94a3b8;
    margin-right: 12px;
}

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

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

.badge {
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.1) 0%, rgba(6, 182, 212, 0.1) 100%);
    color: #4F46E5;
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 13px;
    font-weight: 600;
    text-align: center;
}

.payment-logos {
    text-align: center;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid rgba(0, 0, 0, 0.06);
}

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

.savings-badge {
    position: absolute;
    top: -10px;
    left: -10px;
    background: linear-gradient(135deg, #EF4444 0%, #DC2626 100%);
    color: #ffffff;
    padding: 24px 16px;
    border-radius: 50%;
    font-size: 14px;
    font-weight: 800;
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 24px rgba(239, 68, 68, 0.4);
    transform: rotate(-15deg);
}

.rating-below-pricing {
    text-align: center;
}

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

@media (min-width: 576px) {
    .pricing-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .pricing-card:nth-child(2) {
        grid-column: 1 / -1;
        max-width: 400px;
        margin: 0 auto;
        width: 100%;
    }
}

@media (min-width: 768px) {
    .pricing {
        padding: 80px 0;
    }
    
    .pricing-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 24px;
    }
    
    .pricing-card:nth-child(2) {
        grid-column: auto;
        max-width: none;
    }
}

/* ===== INGREDIENTS SECTION ===== */
.ingredients {
    padding: 60px 0;
}

.ingredients-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

.ingredient-card {
    background: #ffffff;
    border-radius: 20px;
    padding: 24px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.ingredient-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 45px rgba(79, 70, 229, 0.12);
    border-color: rgba(79, 70, 229, 0.2);
}

.ingredient-icon {
    font-size: 40px;
    margin-bottom: 12px;
}

.ingredient-card h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
    color: #1e293b;
}

.ingredient-card p {
    font-size: 15px;
    line-height: 1.7;
    color: #64748b;
}

@media (min-width: 576px) {
    .ingredients-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }
}

@media (min-width: 992px) {
    .ingredients {
        padding: 80px 0;
    }
    
    .ingredients-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 28px;
    }
}

/* ===== SCIENTIFIC EVIDENCE ===== */
.scientific-evidence {
    padding: 60px 0;
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.02) 0%, rgba(6, 182, 212, 0.02) 100%);
}

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

.evidence-item {
    background: #ffffff;
    border-radius: 16px;
    margin-bottom: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
    overflow: hidden;
    transition: all 0.3s ease;
}

.evidence-header {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    font-size: 16px;
    font-weight: 600;
    text-align: left;
    cursor: pointer;
    transition: all 0.3s ease;
    min-height: 48px;
    color: #1e293b;
}

.evidence-header:hover {
    background: rgba(79, 70, 229, 0.03);
}

.evidence-header i {
    transition: transform 0.3s ease;
    color: #4F46E5;
}

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

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

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

.evidence-content p {
    padding: 0 24px 24px;
    font-size: 15px;
    line-height: 1.8;
    color: #64748b;
}

@media (min-width: 768px) {
    .scientific-evidence {
        padding: 80px 0;
    }
    
    .evidence-header {
        padding: 24px 28px;
        font-size: 18px;
    }
    
    .evidence-content p {
        padding: 0 28px 28px;
        font-size: 16px;
    }
}

/* ===== GUARANTEE SECTION ===== */
.guarantee {
    padding: 60px 0;
}

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

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

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

.guarantee-points {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

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

.point-icon {
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #4F46E5 0%, #06B6D4 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    font-size: 20px;
}

.point-content h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 8px;
    color: #1e293b;
}

.point-content p {
    font-size: 15px;
    line-height: 1.7;
    color: #64748b;
}

@media (min-width: 768px) {
    .guarantee {
        padding: 80px 0;
    }
    
    .guarantee-grid {
        grid-template-columns: 1fr 1fr;
        gap: 60px;
    }
    
    .point-content h3 {
        font-size: 22px;
    }
    
    .point-content p {
        font-size: 16px;
    }
}

/* ===== BENEFITS SECTION ===== */
.benefits {
    padding: 60px 0;
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.02) 0%, rgba(6, 182, 212, 0.02) 100%);
}

.benefits-grid {
    max-width: 900px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

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

.benefit-item:hover {
    transform: translateX(10px);
    box-shadow: 0 8px 30px rgba(79, 70, 229, 0.12);
}

.benefit-icon {
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.1) 0%, rgba(6, 182, 212, 0.1) 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #4F46E5;
    font-size: 22px;
}

.benefit-content h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 6px;
    color: #1e293b;
}

.benefit-content p {
    font-size: 15px;
    line-height: 1.6;
    color: #64748b;
}

@media (min-width: 768px) {
    .benefits {
        padding: 80px 0;
    }
    
    .benefits-grid {
        gap: 24px;
    }
}

/* ===== FAQ SECTION ===== */
.faq {
    padding: 60px 0;
}

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

.faq-item {
    background: #ffffff;
    border-radius: 16px;
    margin-bottom: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
    overflow: hidden;
    border: 2px solid transparent;
    transition: all 0.3s ease;
}

.faq-item:hover {
    border-color: rgba(79, 70, 229, 0.2);
}

.faq-header {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    font-size: 16px;
    font-weight: 600;
    text-align: left;
    cursor: pointer;
    transition: all 0.3s ease;
    min-height: 48px;
    color: #1e293b;
}

.faq-header:hover {
    background: rgba(79, 70, 229, 0.03);
}

.faq-header i {
    transition: transform 0.3s ease;
    color: #4F46E5;
    font-size: 14px;
    flex-shrink: 0;
}

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

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

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

.faq-content p {
    padding: 0 24px 24px;
    font-size: 15px;
    line-height: 1.8;
    color: #64748b;
}

@media (min-width: 768px) {
    .faq {
        padding: 80px 0;
    }
    
    .faq-header {
        padding: 24px 28px;
        font-size: 18px;
    }
    
    .faq-content p {
        padding: 0 28px 28px;
        font-size: 16px;
    }
}

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

.final-cta::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 15s ease-in-out infinite;
}

.final-cta-content {
    text-align: center;
    position: relative;
    z-index: 1;
}

.final-cta-image {
    position: relative;
    margin-bottom: 30px;
    animation: finalFloat 5s ease-in-out infinite;
}

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

.final-cta-image img {
    max-width: 280px;
    margin: 0 auto;
    filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.3));
}

.glow-effect-final {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 350px;
    height: 350px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.2) 0%, transparent 70%);
    border-radius: 50%;
    animation: glowFinal 4s ease-in-out infinite;
    z-index: -1;
}

@keyframes glowFinal {
    0%, 100% {
        opacity: 0.4;
        transform: translate(-50%, -50%) scale(1);
    }
    50% {
        opacity: 0.8;
        transform: translate(-50%, -50%) scale(1.3);
    }
}

.final-cta h2 {
    font-size: 28px;
    font-weight: 800;
    color: #ffffff;
    margin-bottom: 24px;
    line-height: 1.3;
}

.final-pricing {
    margin-bottom: 30px;
}

.regular-price {
    display: block;
    font-size: 16px;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 8px;
}

.regular-price del {
    font-size: 20px;
}

.special-price {
    display: block;
    font-size: 24px;
    color: #ffffff;
    font-weight: 600;
}

.special-price strong {
    font-size: 36px;
    font-weight: 800;
}

.btn-final {
    background: #ffffff;
    color: #4F46E5;
    margin-bottom: 30px;
}

.btn-final:hover {
    background: #f8fafc;
    transform: translateY(-3px) scale(1.05);
}

.trust-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    justify-content: center;
}

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

.trust-item i {
    font-size: 18px;
}

@media (min-width: 768px) {
    .final-cta h2 {
        font-size: 40px;
    }
    
    .final-cta-image img {
        max-width: 350px;
    }
    
    .special-price strong {
        font-size: 48px;
    }
}

/* ===== FOOTER ===== */
.footer {
    background: #0f172a;
    color: #94a3b8;
    padding: 50px 0 30px;
}

.footer-content {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
    font-size: 14px;
}

.footer-links a {
    color: #cbd5e1;
    transition: color 0.3s ease;
    padding: 8px;
}

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

.separator {
    color: #475569;
}

.footer-disclaimer {
    font-size: 13px;
    line-height: 1.7;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
    padding: 20px 0;
    border-top: 1px solid rgba(148, 163, 184, 0.1);
    border-bottom: 1px solid rgba(148, 163, 184, 0.1);
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 16px;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: rgba(148, 163, 184, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #94a3b8;
    transition: all 0.3s ease;
}

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

.copyright {
    text-align: center;
    font-size: 14px;
    color: #64748b;
}

@media (min-width: 768px) {
    .footer {
        padding: 60px 0 40px;
    }
}

/* ===== SCROLL TO TOP BUTTON ===== */
.scroll-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, #4F46E5 0%, #06B6D4 100%);
    color: #ffffff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    box-shadow: 0 8px 24px rgba(79, 70, 229, 0.4);
    transition: all 0.3s ease;
    opacity: 0;
    visibility: hidden;
    z-index: 999;
}

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

.scroll-to-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 32px rgba(79, 70, 229, 0.5);
}

/* ===== PURCHASE NOTIFICATION ===== */
.purchase-notification {
    position: fixed;
    bottom: 30px;
    left: 20px;
    background: #ffffff;
    border-radius: 16px;
    padding: 16px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
    z-index: 998;
    transform: translateX(-150%);
    transition: transform 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    max-width: 320px;
}

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

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

.notification-icon {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #10B981 0%, #059669 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    font-size: 18px;
}

.notification-text strong {
    display: block;
    font-size: 14px;
    font-weight: 700;
    color: #1e293b;
    margin-bottom: 2px;
}

.notification-text p {
    font-size: 13px;
    color: #64748b;
    margin-bottom: 4px;
}

.time-ago {
    font-size: 11px;
    color: #94a3b8;
}

@media (max-width: 480px) {
    .purchase-notification {
        left: 20px;
        right: 20px;
        max-width: none;
    }
}

/* ===== AOS ANIMATIONS ===== */
[data-aos] {
    opacity: 0;
    transition-property: opacity, transform;
}

[data-aos].aos-animate {
    opacity: 1;
}

[data-aos="fade-up"] {
    transform: translateY(50px);
}

[data-aos="fade-up"].aos-animate {
    transform: translateY(0);
}

[data-aos="fade-down"] {
    transform: translateY(-50px);
}

[data-aos="fade-down"].aos-animate {
    transform: translateY(0);
}

[data-aos="fade-left"] {
    transform: translateX(-50px);
}

[data-aos="fade-left"].aos-animate {
    transform: translateX(0);
}

[data-aos="fade-right"] {
    transform: translateX(50px);
}

[data-aos="fade-right"].aos-animate {
    transform: translateX(0);
}

[data-aos="zoom-in"] {
    transform: scale(0.8);
}

[data-aos="zoom-in"].aos-animate {
    transform: scale(1);
}

[data-aos="flip-left"] {
    transform: perspective(1000px) rotateY(-20deg);
}

[data-aos="flip-left"].aos-animate {
    transform: perspective(1000px) rotateY(0);
}

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

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