/* ===========================================
   REVITAL - MODERN GRADIENT DESIGN SYSTEM
   Mobile-First Responsive CSS
   =========================================== */

/* 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: #ffffff;
    overflow-x: hidden;
}

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

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

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

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

/* Container */
.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;
    }
}

/* ===========================================
   SECTION 1: NAVIGATION
   =========================================== */

.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transition: all 0.3s ease;
}

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

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    z-index: 1001;
}

.logo-img {
    width: 45px;
    height: 45px;
    object-fit: contain;
}

.brand-name {
    font-size: 24px;
    font-weight: 700;
    background: linear-gradient(135deg, #4F46E5 0%, #06B6D4 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: none;
    list-style: none;
    gap: 30px;
    align-items: center;
}

@media (min-width: 768px) {
    .nav-links {
        display: flex;
    }
}

.nav-link {
    font-size: 16px;
    font-weight: 500;
    color: #333;
    transition: color 0.3s ease;
    position: relative;
}

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

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

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

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

.nav-cta-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(79, 70, 229, 0.4);
}

/* Hamburger Menu */
.hamburger {
    display: flex;
    flex-direction: column;
    gap: 5px;
    z-index: 1001;
    padding: 8px;
}

@media (min-width: 768px) {
    .hamburger {
        display: none;
    }
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: linear-gradient(135deg, #4F46E5, #06B6D4);
    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(8px, -8px);
}

/* Mobile Menu */
@media (max-width: 767px) {
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background: white;
        flex-direction: column;
        padding: 80px 30px 30px;
        box-shadow: -5px 0 20px rgba(0, 0, 0, 0.1);
        transition: right 0.3s ease;
        align-items: flex-start;
        gap: 20px;
    }
    
    .nav-links.active {
        right: 0;
    }
    
    .nav-link {
        width: 100%;
        padding: 12px 0;
        font-size: 18px;
    }
    
    .nav-cta-btn {
        width: 100%;
        text-align: center;
        margin-top: 10px;
    }
}

/* ===========================================
   SECTION 2: HERO SECTION
   =========================================== */

.hero-section {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.05) 0%, rgba(6, 182, 212, 0.05) 100%);
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    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 infinite ease-in-out;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) translateX(0px); }
    50% { transform: translateY(-50px) translateX(30px); }
}

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

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

.hero-image {
    position: relative;
    text-align: center;
    order: 1;
}

@media (min-width: 768px) {
    .hero-image {
        order: 0;
    }
}

.product-hero-img {
    max-width: 400px;
    margin: 0 auto;
    animation: productFloat 3s infinite ease-in-out;
    position: relative;
    z-index: 2;
}

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

.floating-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: linear-gradient(135deg, #10B981 0%, #059669 100%);
    color: white;
    padding: 10px 20px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 14px;
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
    animation: pulse 2s infinite;
    z-index: 3;
}

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

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

@keyframes pulseCircle {
    0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.5; }
    50% { transform: translate(-50%, -50%) scale(1.2); opacity: 0.8; }
}

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

@media (min-width: 768px) {
    .hero-content {
        text-align: left;
    }
}

.hero-title {
    font-size: 28px;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 20px;
    color: #1a1a1a;
}

@media (min-width: 480px) {
    .hero-title {
        font-size: 32px;
    }
}

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

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

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

.hero-description {
    font-size: 16px;
    line-height: 1.8;
    color: #555;
    margin-bottom: 15px;
}

@media (min-width: 768px) {
    .hero-description {
        font-size: 17px;
    }
}

.hero-benefits {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin: 25px 0;
}

@media (min-width: 768px) {
    .hero-benefits {
        align-items: flex-start;
    }
}

.benefit-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 15px;
    color: #333;
}

.check-icon {
    width: 24px;
    height: 24px;
    stroke-width: 3;
    color: #10B981;
    flex-shrink: 0;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 16px 36px;
    background: linear-gradient(135deg, #4F46E5 0%, #06B6D4 100%);
    color: white;
    border-radius: 50px;
    font-size: 18px;
    font-weight: 700;
    box-shadow: 0 6px 25px rgba(79, 70, 229, 0.4);
    transition: all 0.3s ease;
    margin-top: 20px;
    width: 100%;
    max-width: 400px;
    min-height: 56px;
}

@media (min-width: 768px) {
    .cta-button {
        width: auto;
    }
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(79, 70, 229, 0.5);
}

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

.arrow-icon {
    width: 20px;
    height: 20px;
    stroke-width: 3;
}

.trust-badges {
    margin-top: 25px;
}

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

@media (min-width: 768px) {
    .payment-icons {
        margin: 0;
    }
}

/* ===========================================
   SECTION 3: WHY CHOOSE US
   =========================================== */

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

.section-title {
    font-size: 32px;
    font-weight: 800;
    text-align: center;
    margin-bottom: 15px;
    color: #1a1a1a;
}

@media (min-width: 768px) {
    .section-title {
        font-size: 38px;
    }
}

@media (min-width: 1024px) {
    .section-title {
        font-size: 42px;
    }
}

.section-subtitle {
    text-align: center;
    font-size: 17px;
    color: #666;
    margin-bottom: 50px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

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

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

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

.badge-card {
    background: white;
    padding: 30px 20px;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    transition: all 0.4s ease;
    border: 2px solid transparent;
}

.badge-card:hover {
    transform: translateY(-10px) rotate(2deg);
    box-shadow: 0 15px 40px rgba(79, 70, 229, 0.2);
    border-color: rgba(79, 70, 229, 0.3);
}

.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;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 12px;
}

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

/* Animation on scroll */
[data-aos] {
    opacity: 0;
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

[data-aos="fade-up"] {
    transform: translateY(30px);
}

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

[data-aos="fade-right"] {
    transform: translateX(-30px);
}

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

[data-aos="zoom-in"] {
    transform: scale(0.9);
}

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

/* ===========================================
   SECTION 4: WHAT IS REVITAL
   =========================================== */

.what-is-section {
    padding: 80px 0;
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.03) 0%, rgba(6, 182, 212, 0.03) 100%);
}

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

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

.what-is-content {
    order: 2;
}

@media (min-width: 768px) {
    .what-is-content {
        order: 0;
    }
}

.what-is-text {
    font-size: 16px;
    line-height: 1.8;
    color: #555;
    margin-bottom: 20px;
}

.what-is-image {
    text-align: center;
    order: 1;
}

.product-showcase {
    max-width: 100%;
    border-radius: 20px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.1);
}

/* ===========================================
   SECTION 5: HOW IT WORKS
   =========================================== */

.how-it-works-section {
    padding: 80px 0;
    background: #fff;
}

.accordion-container {
    max-width: 900px;
    margin: 50px auto 0;
}

.accordion-item {
    background: white;
    border-radius: 15px;
    margin-bottom: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    overflow: hidden;
    border: 2px solid #f0f0f0;
    transition: all 0.3s ease;
}

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

.accordion-header {
    width: 100%;
    padding: 20px 25px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    background: white;
    transition: all 0.3s ease;
    min-height: 70px;
}

.accordion-header:hover {
    background: rgba(79, 70, 229, 0.05);
}

.accordion-title {
    display: flex;
    align-items: center;
    gap: 15px;
    font-size: 18px;
    font-weight: 600;
    color: #1a1a1a;
    text-align: left;
}

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

.accordion-title .icon {
    width: 24px;
    height: 24px;
    stroke-width: 2;
    color: #4F46E5;
    flex-shrink: 0;
}

.chevron {
    width: 24px;
    height: 24px;
    stroke-width: 2;
    color: #4F46E5;
    transition: transform 0.3s ease;
    flex-shrink: 0;
}

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

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

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

.accordion-content p {
    padding: 0 25px 25px;
    font-size: 16px;
    line-height: 1.8;
    color: #555;
}

/* ===========================================
   SECTION 6: CUSTOMER REVIEWS
   =========================================== */

.reviews-section {
    padding: 80px 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: 30px;
    margin-top: 50px;
}

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

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

.review-card {
    background: white;
    padding: 30px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.review-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.12);
}

.review-header {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
}

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

.reviewer-info {
    flex: 1;
}

.reviewer-name {
    font-size: 18px;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 3px;
}

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

.rating {
    display: flex;
    align-items: center;
}

.stars-img {
    width: 100px;
}

.review-text {
    font-size: 15px;
    line-height: 1.7;
    color: #555;
    font-style: italic;
}

/* ===========================================
   SECTION 7 & 13: PRICING SECTIONS
   =========================================== */

.pricing-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #4F46E5 0%, #06B6D4 100%);
    position: relative;
    overflow: hidden;
}

.pricing-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><circle cx="50" cy="50" r="2" fill="white" opacity="0.1"/></svg>');
    opacity: 0.3;
}

.pricing-section .section-title,
.pricing-section .section-subtitle {
    color: white;
}

.countdown-timer {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 25px;
    margin: 30px auto 40px;
    max-width: 500px;
    text-align: center;
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.countdown-timer .timer-label {
    color: white;
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 15px;
}

@media (min-width: 768px) {
    .countdown-timer .timer-label {
        font-size: 20px;
    }
}

.timer-display {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 15px;
}

.timer-unit {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.timer-value {
    font-size: 48px;
    font-weight: 800;
    color: white;
    line-height: 1;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

@media (min-width: 768px) {
    .timer-value {
        font-size: 56px;
    }
}

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

.timer-separator {
    font-size: 48px;
    font-weight: 800;
    color: white;
}

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

@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-card {
    background: white;
    border-radius: 25px;
    padding: 30px 25px;
    text-align: center;
    position: relative;
    transition: all 0.4s ease;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

.pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.2);
}

.pricing-card.popular {
    border: 3px solid #FFD700;
    transform: scale(1.05);
}

@media (max-width: 991px) {
    .pricing-card.popular {
        transform: scale(1);
    }
}

.pricing-card.popular:hover {
    transform: translateY(-10px) scale(1.05);
}

.popular-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, #FFD700 0%, #FFA500 100%);
    color: #1a1a1a;
    padding: 8px 25px;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 700;
    box-shadow: 0 4px 15px rgba(255, 215, 0, 0.4);
}

.pricing-label {
    display: inline-block;
    background: linear-gradient(135deg, #4F46E5 0%, #06B6D4 100%);
    color: white;
    padding: 6px 20px;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 15px;
}

.package-title {
    font-size: 24px;
    font-weight: 800;
    color: #1a1a1a;
    margin-bottom: 5px;
}

.package-supply {
    font-size: 15px;
    color: #666;
    margin-bottom: 20px;
}

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

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

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

.price-per-bottle {
    font-size: 36px;
    font-weight: 800;
    color: #4F46E5;
    margin-bottom: 10px;
}

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

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

.old-price {
    font-size: 20px;
    color: #999;
    text-decoration: line-through;
}

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

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

.bonus-badge {
    background: linear-gradient(135deg, #10B981 0%, #059669 100%);
    color: white;
    padding: 8px 15px;
    border-radius: 50px;
    font-size: 13px;
    font-weight: 600;
}

.pricing-cta {
    display: block;
    margin: 20px 0;
    transition: all 0.3s ease;
}

.pricing-cta:hover {
    transform: scale(1.05);
}

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

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

.payment-methods {
    margin-top: 20px;
}

.payment-methods img {
    max-width: 200px;
    margin: 0 auto;
    opacity: 0.7;
}

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

.rating-stars {
    max-width: 150px;
    margin: 0 auto 10px;
}

.rating-text {
    color: white;
    font-size: 16px;
}

/* ===========================================
   SECTION 8: BONUS SECTION
   =========================================== */

.bonus-section {
    padding: 80px 0;
    background: #fff;
}

.bonus-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    margin-top: 50px;
}

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

.bonus-card {
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.05) 0%, rgba(6, 182, 212, 0.05) 100%);
    border-radius: 25px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.bonus-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.12);
}

.bonus-image {
    width: 100%;
    height: 250px;
    overflow: hidden;
}

.bonus-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.bonus-content {
    padding: 30px;
}

.bonus-badge {
    display: inline-block;
    background: linear-gradient(135deg, #EF4444 0%, #DC2626 100%);
    color: white;
    padding: 6px 18px;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 15px;
}

.bonus-title {
    font-size: 22px;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 15px;
}

.bonus-description {
    font-size: 16px;
    line-height: 1.7;
    color: #555;
    margin-bottom: 20px;
}

.bonus-value {
    font-size: 18px;
    font-weight: 700;
    color: #10B981;
}

/* ===========================================
   SECTION 9: INGREDIENTS
   =========================================== */

.ingredients-section {
    padding: 80px 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: 25px;
    margin-top: 50px;
}

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

.ingredient-card {
    background: white;
    padding: 25px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    border-left: 4px solid transparent;
    transition: all 0.3s ease;
}

.ingredient-card:hover {
    border-left-color: #4F46E5;
    transform: translateX(5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.ingredient-name {
    font-size: 20px;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 12px;
    background: linear-gradient(135deg, #4F46E5 0%, #06B6D4 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.ingredient-description {
    font-size: 15px;
    line-height: 1.7;
    color: #555;
    margin-bottom: 12px;
}

.ingredient-benefits {
    font-size: 14px;
    line-height: 1.6;
    color: #666;
    padding: 12px;
    background: rgba(79, 70, 229, 0.05);
    border-radius: 8px;
}

.ingredient-benefits strong {
    color: #4F46E5;
}

/* ===========================================
   SECTION 10: SCIENTIFIC EVIDENCE
   =========================================== */

.scientific-section {
    padding: 80px 0;
    background: #fff;
}

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

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

.evidence-card {
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.05) 0%, rgba(6, 182, 212, 0.05) 100%);
    padding: 30px;
    border-radius: 15px;
    border-top: 3px solid #4F46E5;
    transition: all 0.3s ease;
}

.evidence-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.evidence-title {
    font-size: 20px;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 15px;
}

.evidence-text {
    font-size: 15px;
    line-height: 1.8;
    color: #555;
}

/* ===========================================
   SECTION 11: MONEY BACK GUARANTEE
   =========================================== */

.guarantee-section {
    padding: 80px 0;
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.05) 0%, rgba(5, 150, 105, 0.05) 100%);
}

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

@media (min-width: 768px) {
    .guarantee-container {
        grid-template-columns: 1fr 1.5fr;
        gap: 60px;
    }
}

.guarantee-image img {
    max-width: 100%;
    border-radius: 20px;
}

.guarantee-points {
    display: flex;
    flex-direction: column;
    gap: 30px;
    margin-top: 30px;
}

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

.point-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #10B981 0%, #059669 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 700;
    flex-shrink: 0;
}

.point-content {
    flex: 1;
}

.point-title {
    font-size: 20px;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 10px;
}

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

/* ===========================================
   SECTION 12: BENEFITS
   =========================================== */

.benefits-section {
    padding: 80px 0;
    background: #fff;
}

.benefits-list {
    max-width: 900px;
    margin: 50px auto 0;
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.benefit-item-large {
    display: flex;
    gap: 20px;
    align-items: flex-start;
    padding: 25px;
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.03) 0%, rgba(6, 182, 212, 0.03) 100%);
    border-radius: 15px;
    transition: all 0.3s ease;
    border-left: 4px solid transparent;
}

.benefit-item-large:hover {
    border-left-color: #4F46E5;
    transform: translateX(10px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
}

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

.benefit-icon-large svg {
    width: 28px;
    height: 28px;
    stroke-width: 3;
    color: white;
}

.benefit-text-large h3 {
    font-size: 20px;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 8px;
}

.benefit-text-large p {
    font-size: 15px;
    line-height: 1.7;
    color: #555;
}

/* ===========================================
   SECTION 14: FAQ
   =========================================== */

.faq-section {
    padding: 80px 0;
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.03) 0%, rgba(6, 182, 212, 0.03) 100%);
}

.faq-container {
    max-width: 900px;
    margin: 50px auto 0;
}

.faq-item {
    background: white;
    border-radius: 15px;
    margin-bottom: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    overflow: hidden;
}

.faq-question {
    width: 100%;
    padding: 22px 25px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    background: white;
    transition: all 0.3s ease;
    text-align: left;
    font-size: 17px;
    font-weight: 600;
    color: #1a1a1a;
    min-height: 70px;
}

@media (min-width: 768px) {
    .faq-question {
        font-size: 18px;
    }
}

.faq-question:hover {
    background: rgba(79, 70, 229, 0.05);
}

.faq-icon {
    width: 24px;
    height: 24px;
    stroke-width: 2;
    color: #4F46E5;
    transition: transform 0.3s ease;
    flex-shrink: 0;
    margin-left: 10px;
}

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

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

.faq-item.active .faq-answer {
    max-height: 600px;
}

.faq-answer p {
    padding: 0 25px 25px;
    font-size: 15px;
    line-height: 1.8;
    color: #555;
}

/* ===========================================
   SECTION 15: FINAL CTA
   =========================================== */

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

.final-cta-section::before {
    content: '';
    position: absolute;
    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 infinite ease-in-out;
}

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

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

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

@media (min-width: 768px) {
    .final-cta-image {
        order: 0;
    }
}

.floating-product {
    max-width: 350px;
    margin: 0 auto;
    animation: productFloat 3s infinite ease-in-out;
}

.final-cta-text {
    text-align: center;
    order: 2;
}

@media (min-width: 768px) {
    .final-cta-text {
        text-align: left;
        order: 0;
    }
}

.final-cta-title {
    font-size: 28px;
    font-weight: 800;
    color: white;
    margin-bottom: 30px;
}

@media (min-width: 768px) {
    .final-cta-title {
        font-size: 36px;
    }
}

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

.regular-price {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 10px;
}

.regular-price span {
    text-decoration: line-through;
    font-size: 24px;
}

.special-price {
    font-size: 22px;
    color: white;
    font-weight: 700;
}

.special-price span {
    font-size: 42px;
    font-weight: 800;
    color: #FFD700;
}

.final-cta-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 18px 40px;
    background: white;
    color: #4F46E5;
    border-radius: 50px;
    font-size: 20px;
    font-weight: 700;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
    width: 100%;
    max-width: 400px;
    min-height: 60px;
}

@media (min-width: 768px) {
    .final-cta-button {
        width: auto;
    }
}

.final-cta-button:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
}

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

.final-cta-benefits {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 30px;
}

@media (min-width: 768px) {
    .final-cta-benefits {
        align-items: flex-start;
    }
}

.final-benefit {
    display: flex;
    align-items: center;
    gap: 10px;
    color: white;
    font-size: 16px;
}

.final-benefit svg {
    width: 24px;
    height: 24px;
    stroke-width: 3;
    color: #FFD700;
    flex-shrink: 0;
}

/* ===========================================
   SECTION 16: FOOTER
   =========================================== */

.footer {
    background: #1a1a1a;
    color: white;
    padding: 60px 0 20px;
}

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

@media (min-width: 768px) {
    .footer-content {
        grid-template-columns: repeat(3, 1fr);
    }
}

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

@media (min-width: 768px) {
    .footer-column {
        text-align: left;
    }
}

.footer-title {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 15px;
    color: white;
}

.footer-text {
    font-size: 15px;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.7);
}

.footer-legal-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 10px;
}

@media (min-width: 768px) {
    .footer-legal-links {
        justify-content: flex-start;
    }
}

.legal-link {
    color: rgba(255, 255, 255, 0.7);
    font-size: 15px;
    transition: color 0.3s ease;
}

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

.link-separator {
    color: rgba(255, 255, 255, 0.3);
}

.social-icons {
    display: flex;
    justify-content: center;
    gap: 15px;
}

@media (min-width: 768px) {
    .social-icons {
        justify-content: flex-start;
    }
}

.social-icon {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.social-icon:hover {
    background: #4F46E5;
    transform: translateY(-3px);
}

.social-icon svg {
    width: 20px;
    height: 20px;
}

.footer-disclaimer {
    background: rgba(255, 255, 255, 0.05);
    padding: 25px;
    border-radius: 10px;
    margin-bottom: 30px;
}

.footer-disclaimer p {
    font-size: 13px;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.6);
    text-align: center;
}

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

.footer-bottom p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
}

/* ===========================================
   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: white;
    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;
}

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

.scroll-to-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 25px rgba(79, 70, 229, 0.5);
}

.scroll-to-top svg {
    width: 24px;
    height: 24px;
    stroke-width: 3;
}

/* ===========================================
   PURCHASE NOTIFICATION POPUP
   =========================================== */

.purchase-notification {
    position: fixed;
    bottom: 30px;
    left: 30px;
    background: white;
    padding: 15px 20px;
    border-radius: 15px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
    z-index: 998;
    opacity: 0;
    transform: translateX(-100%);
    transition: all 0.4s ease;
    max-width: 320px;
}

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

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

.notification-content {
    display: flex;
    align-items: center;
    gap: 15px;
}

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

.notification-text {
    font-size: 14px;
    line-height: 1.5;
    color: #333;
}

.notification-text strong {
    font-weight: 700;
    color: #1a1a1a;
}

/* ===========================================
   EXIT INTENT POPUP
   =========================================== */

.exit-popup {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 9999;
    display: none;
    align-items: center;
    justify-content: center;
}

.exit-popup.show {
    display: flex;
}

.exit-popup-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
}

.exit-popup-content {
    position: relative;
    background: white;
    border-radius: 25px;
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    z-index: 1;
    animation: popupSlideIn 0.4s ease;
}

@keyframes popupSlideIn {
    from {
        opacity: 0;
        transform: scale(0.9) translateY(20px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.exit-popup-close {
    position: absolute;
    top: 15px;
    right: 15px;
    width: 40px;
    height: 40px;
    background: rgba(0, 0, 0, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: #333;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 2;
}

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

.exit-popup-body {
    padding: 50px 30px 40px;
    text-align: center;
}

.exit-popup-title {
    font-size: 26px;
    font-weight: 800;
    color: #1a1a1a;
    margin-bottom: 15px;
}

@media (min-width: 480px) {
    .exit-popup-title {
        font-size: 30px;
    }
}

.exit-popup-text {
    font-size: 17px;
    color: #555;
    margin-bottom: 30px;
}

.exit-popup-offer {
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.1) 0%, rgba(6, 182, 212, 0.1) 100%);
    padding: 25px;
    border-radius: 15px;
    margin-bottom: 30px;
}

.exit-offer-price {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    margin-bottom: 10px;
}

.exit-old-price {
    font-size: 28px;
    color: #999;
    text-decoration: line-through;
}

.exit-new-price {
    font-size: 42px;
    font-weight: 800;
    color: #10B981;
}

.exit-offer-text {
    font-size: 15px;
    color: #666;
}

.exit-popup-cta {
    display: inline-block;
    padding: 18px 40px;
    background: linear-gradient(135deg, #4F46E5 0%, #06B6D4 100%);
    color: white;
    border-radius: 50px;
    font-size: 18px;
    font-weight: 700;
    box-shadow: 0 6px 25px rgba(79, 70, 229, 0.4);
    transition: all 0.3s ease;
    width: 100%;
    max-width: 350px;
    min-height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.exit-popup-cta:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(79, 70, 229, 0.5);
}

.exit-popup-guarantee {
    font-size: 14px;
    color: #10B981;
    margin-top: 20px;
    font-weight: 600;
}

/* ===========================================
   RESPONSIVE UTILITIES
   =========================================== */

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

/* Prevent horizontal scroll */
body {
    overflow-x: hidden;
}

/* Ensure all sections are responsive */
section {
    width: 100%;
    overflow-x: hidden;
}

/* Touch-friendly spacing */
@media (max-width: 767px) {
    section {
        padding-left: 0;
        padding-right: 0;
    }
}