/* ========================================
   REVISIL - MODERN GRADIENT DESIGN
   Mobile-First Responsive Stylesheet
   ======================================== */

/* ========================================
   CSS RESET & BASE STYLES
   ======================================== */
   
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

*,
*::before,
*::after {
    box-sizing: inherit;
}

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: #1f2937;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Remove tap highlight */
* {
    -webkit-tap-highlight-color: transparent;
}

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

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

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

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

ul {
    list-style: none;
}

/* ========================================
   CONTAINER & LAYOUT
   ======================================== */

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

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

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

/* ========================================
   TYPOGRAPHY
   ======================================== */

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: #1f2937;
}

/* H1 - Mobile First */
h1 {
    font-size: 28px;
}

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

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

/* H2 - Mobile First */
h2 {
    font-size: 24px;
}

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

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

/* H3 - Mobile First */
h3 {
    font-size: 20px;
}

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

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

p {
    font-size: 16px;
    line-height: 1.7;
    margin-bottom: 1rem;
}

/* ========================================
   BUTTONS
   ======================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 16px 32px;
    min-height: 50px;
    font-size: 16px;
    font-weight: 600;
    border-radius: 50px;
    transition: all 0.3s ease;
    cursor: pointer;
    text-align: center;
    white-space: nowrap;
}

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

.btn-primary:hover {
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 6px 25px rgba(79, 70, 229, 0.4);
}

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

.btn-hero {
    background: linear-gradient(135deg, #06B6D4 0%, #4F46E5 100%);
    color: #ffffff;
    font-size: 18px;
    padding: 18px 40px;
    box-shadow: 0 8px 30px rgba(6, 182, 212, 0.4);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 8px 30px rgba(6, 182, 212, 0.4);
    }
    50% {
        box-shadow: 0 8px 40px rgba(6, 182, 212, 0.6);
    }
}

.btn-hero:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 10px 40px rgba(6, 182, 212, 0.5);
}

.btn-pricing {
    background: linear-gradient(135deg, #10B981 0%, #059669 100%);
    color: #ffffff;
    width: 100%;
    padding: 16px 24px;
    font-size: 17px;
    box-shadow: 0 4px 20px rgba(16, 185, 129, 0.3);
}

.btn-pricing:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 30px rgba(16, 185, 129, 0.5);
}

.btn-pricing-popular {
    background: linear-gradient(135deg, #F59E0B 0%, #D97706 100%);
    box-shadow: 0 4px 20px rgba(245, 158, 11, 0.4);
}

.btn-pricing-popular:hover {
    box-shadow: 0 6px 30px rgba(245, 158, 11, 0.6);
}

.btn-final-cta {
    background: linear-gradient(135deg, #EF4444 0%, #DC2626 100%);
    color: #ffffff;
    font-size: 20px;
    padding: 20px 48px;
    box-shadow: 0 8px 30px rgba(239, 68, 68, 0.4);
}

@media (max-width: 768px) {
    .btn {
        width: 100%;
        padding: 16px 24px;
    }
    
    .btn-hero {
        font-size: 16px;
        padding: 16px 32px;
    }
    
    .btn-final-cta {
        font-size: 18px;
        padding: 18px 32px;
    }
}

.btn-icon {
    transition: transform 0.3s ease;
}

.btn:hover .btn-icon {
    transform: translateX(4px);
}

/* ========================================
   HEADER & NAVIGATION
   ======================================== */

.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    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, 0.1);
    z-index: 1000;
    transition: all 0.3s ease;
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.15);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
}

.nav-logo {
    font-size: 28px;
    font-weight: 800;
    background: linear-gradient(135deg, #4F46E5 0%, #06B6D4 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: none;
    align-items: center;
    gap: 32px;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-link {
    font-size: 16px;
    font-weight: 500;
    color: #374151;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: #4F46E5;
}

.nav-cta {
    padding: 12px 28px;
    min-height: 44px;
}

/* Hamburger Menu */
.nav-toggle {
    display: flex;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    z-index: 1001;
}

.toggle-bar {
    width: 28px;
    height: 3px;
    background: linear-gradient(135deg, #4F46E5 0%, #06B6D4 100%);
    border-radius: 2px;
    transition: all 0.3s ease;
}

.nav-toggle.active .toggle-bar:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.nav-toggle.active .toggle-bar:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active .toggle-bar:nth-child(3) {
    transform: rotate(-45deg) translate(8px, -8px);
}

/* Mobile Menu */
@media (max-width: 767px) {
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background: linear-gradient(180deg, rgba(255, 255, 255, 0.98) 0%, rgba(255, 255, 255, 0.95) 100%);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: flex-start;
        padding: 100px 30px 40px;
        box-shadow: -5px 0 30px rgba(0, 0, 0, 0.1);
        transition: right 0.3s ease-in-out;
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .nav-list {
        flex-direction: column;
        align-items: flex-start;
        gap: 24px;
        width: 100%;
    }
    
    .nav-link {
        font-size: 18px;
        padding: 8px 0;
        width: 100%;
        border-bottom: 1px solid rgba(79, 70, 229, 0.1);
    }
    
    .nav-cta {
        width: 100%;
        margin-top: 20px;
    }
}

@media (min-width: 768px) {
    .nav-menu {
        display: flex;
    }
    
    .nav-toggle {
        display: none;
    }
}

/* ========================================
   HERO SECTION
   ======================================== */

.hero {
    padding: 120px 0 60px;
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.05) 0%, rgba(6, 182, 212, 0.05) 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-container {
    display: flex;
    flex-direction: column;
    gap: 40px;
    align-items: center;
}

.hero-image {
    width: 100%;
    flex: 1;
}

.hero-image-wrapper {
    position: relative;
    animation: float 6s ease-in-out infinite;
}

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

.hero-product-img {
    width: 100%;
    max-width: 400px;
    margin: 0 auto;
    filter: drop-shadow(0 20px 40px rgba(79, 70, 229, 0.3));
    animation: glow 3s ease-in-out infinite;
}

@keyframes glow {
    0%, 100% {
        filter: drop-shadow(0 20px 40px rgba(79, 70, 229, 0.3));
    }
    50% {
        filter: drop-shadow(0 25px 50px rgba(6, 182, 212, 0.5));
    }
}

.floating-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: linear-gradient(135deg, #10B981 0%, #059669 100%);
    color: #ffffff;
    padding: 10px 20px;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 700;
    box-shadow: 0 4px 20px rgba(16, 185, 129, 0.4);
    animation: badge-pulse 2s ease-in-out infinite;
}

@keyframes badge-pulse {
    0%, 100% {
        transform: scale(1);
        box-shadow: 0 4px 20px rgba(16, 185, 129, 0.4);
    }
    50% {
        transform: scale(1.05);
        box-shadow: 0 6px 30px rgba(16, 185, 129, 0.6);
    }
}

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

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

.hero-title {
    margin-bottom: 24px;
    background: linear-gradient(135deg, #4F46E5 0%, #06B6D4 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    color: #4b5563;
    margin-bottom: 16px;
    font-size: 17px;
}

@media (min-width: 768px) {
    .hero-container {
        flex-direction: row;
        gap: 60px;
    }
    
    .hero-image,
    .hero-content {
        flex: 1;
    }
}

@media (min-width: 1024px) {
    .hero {
        padding: 140px 0 80px;
    }
    
    .hero-description {
        font-size: 18px;
    }
}

/* ========================================
   SECTION TITLES
   ======================================== */

.section-title {
    text-align: center;
    margin-bottom: 16px;
    background: linear-gradient(135deg, #4F46E5 0%, #06B6D4 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    text-align: center;
    font-size: 18px;
    color: #6b7280;
    margin-bottom: 32px;
}

/* ========================================
   WHY CHOOSE US SECTION
   ======================================== */

.why-choose {
    padding: 60px 0;
    background: #ffffff;
}

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

.badge-card {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 32px 24px;
    text-align: center;
    box-shadow: 0 8px 30px rgba(79, 70, 229, 0.1);
    transition: all 0.4s ease;
    border: 2px solid transparent;
}

.badge-card:hover {
    transform: translateY(-8px) scale(1.02) rotate(1deg);
    box-shadow: 0 15px 50px rgba(6, 182, 212, 0.3);
    border-color: rgba(79, 70, 229, 0.2);
}

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

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

.badge-title {
    font-size: 20px;
    margin-bottom: 12px;
    color: #4F46E5;
}

.badge-description {
    color: #6b7280;
    font-size: 15px;
    line-height: 1.6;
}

/* Scroll Animation */
.badge-card[data-animate] {
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.6s ease;
}

.badge-card[data-animate].animate-in {
    opacity: 1;
    transform: translateY(0);
}

@media (min-width: 576px) {
    .badges-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 28px;
    }
}

@media (min-width: 992px) {
    .badges-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 32px;
    }
    
    .why-choose {
        padding: 80px 0;
    }
}

/* ========================================
   WHAT IS SECTION
   ======================================== */

.what-is {
    padding: 60px 0;
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.03) 0%, rgba(6, 182, 212, 0.03) 100%);
}

.what-is-content {
    display: flex;
    flex-direction: column;
    gap: 32px;
    margin-top: 40px;
}

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

.what-is-text p {
    color: #4b5563;
    margin-bottom: 20px;
    font-size: 17px;
}

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

.what-is-image img {
    width: 100%;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(79, 70, 229, 0.2);
}

@media (min-width: 768px) {
    .what-is-content {
        flex-direction: row;
        gap: 50px;
        align-items: center;
    }
}

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

/* ========================================
   HOW IT WORKS SECTION
   ======================================== */

.how-it-works {
    padding: 60px 0;
    background: #ffffff;
}

.accordion {
    margin-top: 40px;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.accordion-item {
    margin-bottom: 16px;
    border-radius: 15px;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.9);
    border: 2px solid rgba(79, 70, 229, 0.1);
    transition: all 0.3s ease;
}

.accordion-item:hover {
    border-color: rgba(79, 70, 229, 0.3);
}

.accordion-header {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    min-height: 60px;
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.05) 0%, rgba(6, 182, 212, 0.05) 100%);
    cursor: pointer;
    transition: all 0.3s ease;
}

.accordion-header:hover {
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.08) 0%, rgba(6, 182, 212, 0.08) 100%);
}

.accordion-header span {
    font-size: 18px;
    font-weight: 600;
    color: #1f2937;
    text-align: left;
}

.accordion-icon {
    flex-shrink: 0;
    transition: transform 0.3s ease;
}

.accordion-item.active .accordion-icon {
    transform: rotate(180deg);
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
    padding: 0 24px;
}

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

.accordion-content p {
    color: #4b5563;
    line-height: 1.7;
}

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

@media (min-width: 1024px) {
    .how-it-works {
        padding: 80px 0;
    }
}

/* ========================================
   REVIEWS SECTION
   ======================================== */

.reviews {
    padding: 60px 0;
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.03) 0%, rgba(6, 182, 212, 0.03) 100%);
}

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

.review-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 32px 24px;
    box-shadow: 0 8px 30px rgba(79, 70, 229, 0.1);
    transition: all 0.4s ease;
    border: 2px solid transparent;
}

.review-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 15px 50px rgba(6, 182, 212, 0.3);
    border-color: rgba(79, 70, 229, 0.2);
}

/* Review Animation */
.review-card[data-review-animate] {
    opacity: 0;
    transform: translateY(50px) scale(0.9);
    transition: all 0.6s ease;
}

.review-card[data-review-animate].review-animate-in {
    opacity: 1;
    transform: translateY(0) scale(1);
}

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

.review-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid #4F46E5;
}

.review-name {
    font-size: 18px;
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 4px;
}

.review-location {
    font-size: 14px;
    color: #6b7280;
}

.review-stars {
    margin-bottom: 16px;
}

.star {
    color: #F59E0B;
    font-size: 20px;
    margin-right: 4px;
}

.review-text {
    color: #4b5563;
    font-size: 16px;
    line-height: 1.7;
    font-style: italic;
}

@media (min-width: 768px) {
    .reviews-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 28px;
    }
}

@media (min-width: 992px) {
    .reviews-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 32px;
    }
    
    .reviews {
        padding: 80px 0;
    }
}

/* ========================================
   PRICING SECTION
   ======================================== */

.pricing {
    padding: 60px 0;
    background: #ffffff;
}

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

.countdown-timer {
    max-width: 600px;
    margin: 32px auto;
    text-align: center;
}

.timer-label {
    font-size: 18px;
    font-weight: 600;
    color: #EF4444;
    margin-bottom: 16px;
}

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

.timer-box {
    background: linear-gradient(135deg, #EF4444 0%, #DC2626 100%);
    color: #ffffff;
    border-radius: 15px;
    padding: 20px 24px;
    min-width: 100px;
    box-shadow: 0 8px 30px rgba(239, 68, 68, 0.3);
}

.timer-value {
    display: block;
    font-size: 42px;
    font-weight: 800;
    line-height: 1;
}

.timer-label-small {
    display: block;
    font-size: 14px;
    margin-top: 8px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.timer-separator {
    font-size: 36px;
    font-weight: 700;
    color: #EF4444;
}

.pricing-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 32px;
    margin-top: 48px;
}

.pricing-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 25px;
    padding: 32px 24px;
    text-align: center;
    box-shadow: 0 8px 30px rgba(79, 70, 229, 0.1);
    transition: all 0.4s ease;
    border: 3px solid transparent;
    position: relative;
}

.pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 50px rgba(6, 182, 212, 0.3);
}

.pricing-card-popular {
    border-color: #F59E0B;
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.1) 0%, rgba(245, 158, 11, 0.05) 100%);
}

.popular-ribbon {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, #F59E0B 0%, #D97706 100%);
    color: #ffffff;
    padding: 8px 32px;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 700;
    box-shadow: 0 4px 20px rgba(245, 158, 11, 0.4);
}

.pricing-label {
    font-size: 16px;
    font-weight: 700;
    color: #4F46E5;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 12px;
}

.pricing-bottle-info {
    margin-bottom: 20px;
}

.bottle-count {
    font-size: 22px;
    font-weight: 800;
    color: #1f2937;
    margin-bottom: 4px;
}

.supply-days {
    font-size: 14px;
    color: #6b7280;
}

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

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

.pricing-price {
    margin: 24px 0;
}

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

.price-label {
    font-size: 14px;
    color: #6b7280;
}

.pricing-total {
    margin-bottom: 20px;
}

.total-original {
    font-size: 20px;
    color: #9ca3af;
    text-decoration: line-through;
    margin-right: 12px;
}

.total-discounted {
    font-size: 28px;
    font-weight: 800;
    color: #10B981;
}

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

.badge-bonus,
.badge-shipping {
    background: linear-gradient(135deg, #10B981 0%, #059669 100%);
    color: #ffffff;
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 13px;
    font-weight: 700;
    display: inline-block;
}

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

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

.rating-section {
    text-align: center;
    margin-top: 48px;
}

.rating-image {
    max-width: 250px;
    margin: 0 auto;
}

@media (min-width: 576px) {
    .pricing-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }
    
    .pricing-grid .pricing-card:last-child {
        grid-column: 1 / -1;
        max-width: 400px;
        margin: 0 auto;
        width: 100%;
    }
}

@media (min-width: 992px) {
    .pricing-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 32px;
    }
    
    .pricing-grid .pricing-card:last-child {
        grid-column: auto;
        max-width: none;
    }
    
    .pricing {
        padding: 80px 0;
    }
}

@media (max-width: 480px) {
    .timer-box {
        padding: 16px 20px;
        min-width: 80px;
    }
    
    .timer-value {
        font-size: 36px;
    }
    
    .timer-separator {
        font-size: 28px;
    }
}

/* ========================================
   INGREDIENTS SECTION
   ======================================== */

.ingredients {
    padding: 60px 0;
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.03) 0%, rgba(6, 182, 212, 0.03) 100%);
}

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

.ingredient-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 28px 24px;
    box-shadow: 0 6px 25px rgba(79, 70, 229, 0.1);
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.ingredient-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 40px rgba(6, 182, 212, 0.2);
    border-color: rgba(79, 70, 229, 0.2);
}

.ingredient-name {
    font-size: 20px;
    color: #4F46E5;
    margin-bottom: 12px;
}

.ingredient-description {
    color: #4b5563;
    font-size: 15px;
    margin-bottom: 12px;
    line-height: 1.6;
}

.ingredient-benefits {
    color: #059669;
    font-size: 15px;
    line-height: 1.6;
}

@media (min-width: 768px) {
    .ingredients-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 28px;
    }
}

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

/* ========================================
   SCIENTIFIC EVIDENCE SECTION
   ======================================== */

.scientific-evidence {
    padding: 60px 0;
    background: #ffffff;
}

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

.evidence-intro {
    text-align: center;
    margin-bottom: 32px;
}

.evidence-intro p {
    font-size: 17px;
    color: #4b5563;
}

.evidence-accordion .evidence-item {
    margin-bottom: 16px;
    border-radius: 15px;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.9);
    border: 2px solid rgba(79, 70, 229, 0.1);
}

.evidence-header {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    min-height: 60px;
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.05) 0%, rgba(6, 182, 212, 0.05) 100%);
    cursor: pointer;
    transition: all 0.3s ease;
}

.evidence-header span {
    font-size: 18px;
    font-weight: 600;
    color: #1f2937;
    text-align: left;
}

.evidence-content-text {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
    padding: 0 24px;
}

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

.evidence-content-text p {
    color: #4b5563;
    line-height: 1.7;
}

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

/* ========================================
   GUARANTEE SECTION
   ======================================== */

.guarantee {
    padding: 60px 0;
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.03) 0%, rgba(6, 182, 212, 0.03) 100%);
}

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

.guarantee-image {
    flex: 1;
    text-align: center;
}

.guarantee-image img {
    max-width: 300px;
    margin: 0 auto;
    filter: drop-shadow(0 10px 30px rgba(79, 70, 229, 0.2));
}

.guarantee-text {
    flex: 1;
}

.guarantee-point {
    margin-bottom: 28px;
}

.guarantee-point h3 {
    font-size: 22px;
    color: #4F46E5;
    margin-bottom: 12px;
}

.guarantee-point p {
    color: #4b5563;
    line-height: 1.7;
}

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

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

/* ========================================
   BENEFITS SECTION
   ======================================== */

.benefits {
    padding: 60px 0;
    background: #ffffff;
}

.benefits-list {
    max-width: 900px;
    margin: 40px auto 0;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.benefit-item {
    display: flex;
    gap: 20px;
    align-items: flex-start;
    padding: 24px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 15px;
    box-shadow: 0 6px 25px rgba(79, 70, 229, 0.08);
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.benefit-item:hover {
    transform: translateX(10px);
    box-shadow: 0 10px 40px rgba(6, 182, 212, 0.15);
    border-color: rgba(79, 70, 229, 0.2);
}

.benefit-icon {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #10B981 0%, #059669 100%);
    border-radius: 50%;
    color: #ffffff;
}

.benefit-text h3 {
    font-size: 19px;
    color: #1f2937;
    margin-bottom: 8px;
}

.benefit-text p {
    color: #6b7280;
    font-size: 15px;
    line-height: 1.6;
}

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

/* ========================================
   FAQ SECTION
   ======================================== */

.faq {
    padding: 60px 0;
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.03) 0%, rgba(6, 182, 212, 0.03) 100%);
}

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

.faq-item {
    margin-bottom: 16px;
    border-radius: 15px;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 2px solid rgba(79, 70, 229, 0.1);
    transition: all 0.3s ease;
}

.faq-item:hover {
    border-color: rgba(79, 70, 229, 0.3);
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    min-height: 60px;
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.05) 0%, rgba(6, 182, 212, 0.05) 100%);
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: left;
}

.faq-question:hover {
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.08) 0%, rgba(6, 182, 212, 0.08) 100%);
}

.faq-question span {
    font-size: 18px;
    font-weight: 600;
    color: #1f2937;
}

.faq-icon {
    flex-shrink: 0;
    transition: transform 0.3s ease;
}

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

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
    padding: 0 24px;
}

.faq-item.active .faq-answer {
    max-height: 500px;
    padding: 20px 24px 24px;
}

.faq-answer p {
    color: #4b5563;
    line-height: 1.7;
}

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

/* ========================================
   FINAL CTA SECTION
   ======================================== */

.final-cta {
    padding: 60px 0;
    background: #ffffff;
}

.final-cta-content {
    display: flex;
    flex-direction: column;
    gap: 40px;
    align-items: center;
    max-width: 1000px;
    margin: 0 auto;
}

.final-cta-image {
    flex: 1;
    animation: finalFloat 4s ease-in-out infinite;
}

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

.final-cta-image img {
    max-width: 350px;
    margin: 0 auto;
    filter: drop-shadow(0 20px 50px rgba(79, 70, 229, 0.3));
}

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

.final-cta-title {
    margin-bottom: 24px;
    background: linear-gradient(135deg, #EF4444 0%, #DC2626 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.final-cta-pricing {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 24px;
}

.final-price-original {
    font-size: 22px;
    color: #9ca3af;
    text-decoration: line-through;
}

.final-price-special {
    font-size: 42px;
    font-weight: 900;
    background: linear-gradient(135deg, #10B981 0%, #059669 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.final-cta-description {
    color: #4b5563;
    font-size: 17px;
    margin-bottom: 32px;
    line-height: 1.7;
}

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

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

/* ========================================
   FOOTER
   ======================================== */

.footer {
    background: linear-gradient(135deg, #1f2937 0%, #111827 100%);
    color: #d1d5db;
    padding: 40px 0 24px;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 16px;
    margin-bottom: 24px;
}

.footer-link {
    color: #d1d5db;
    font-size: 14px;
    transition: color 0.3s ease;
}

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

.footer-separator {
    color: #4b5563;
}

.footer-disclaimer {
    max-width: 800px;
    margin: 0 auto 32px;
    text-align: center;
    padding: 0 20px;
}

.footer-disclaimer p {
    font-size: 13px;
    color: #9ca3af;
    line-height: 1.6;
}

.footer-social {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 24px;
}

.social-link {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: #d1d5db;
    transition: all 0.3s ease;
}

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

.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: #9ca3af;
}

/* ========================================
   SCROLL TO TOP BUTTON
   ======================================== */

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

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

.scroll-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 30px rgba(79, 70, 229, 0.6);
}

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

/* ========================================
   POPUP
   ======================================== */

.popup-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    padding: 20px;
}

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

.popup-content {
    background: #ffffff;
    border-radius: 25px;
    padding: 40px 32px;
    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.show .popup-content {
    transform: scale(1);
}

.popup-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.1);
    border-radius: 50%;
    color: #6b7280;
    transition: all 0.3s ease;
    cursor: pointer;
}

.popup-close:hover {
    background: rgba(0, 0, 0, 0.2);
    color: #1f2937;
    transform: rotate(90deg);
}

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

.popup-title {
    font-size: 28px;
    margin-bottom: 16px;
    background: linear-gradient(135deg, #EF4444 0%, #DC2626 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.popup-text {
    font-size: 17px;
    color: #4b5563;
    margin-bottom: 28px;
    line-height: 1.6;
}

.btn-popup {
    background: linear-gradient(135deg, #EF4444 0%, #DC2626 100%);
    color: #ffffff;
    padding: 16px 40px;
    min-height: 54px;
    font-size: 18px;
    box-shadow: 0 6px 25px rgba(239, 68, 68, 0.4);
}

@media (max-width: 576px) {
    .popup-content {
        padding: 32px 24px;
    }
    
    .popup-title {
        font-size: 24px;
    }
    
    .popup-text {
        font-size: 16px;
    }
    
    .btn-popup {
        width: 100%;
    }
}

/* Mobile optimization for popup */
@media (max-width: 768px) {
    .popup-overlay {
        align-items: flex-end;
    }
    
    .popup-content {
        border-radius: 25px 25px 0 0;
        max-width: 100%;
        margin-bottom: 0;
    }
}

/* ========================================
   UTILITY CLASSES
   ======================================== */

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

.mb-1 {
    margin-bottom: 0.5rem;
}

.mb-2 {
    margin-bottom: 1rem;
}

.mb-3 {
    margin-bottom: 1.5rem;
}

.mt-1 {
    margin-top: 0.5rem;
}

.mt-2 {
    margin-top: 1rem;
}

.mt-3 {
    margin-top: 1.5rem;
}

/* ========================================
   MEDIA QUERY: Reduced Motion
   ======================================== */

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* ========================================
   LOADING OPTIMIZATION
   ======================================== */

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

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