/* ========================================
   VAPOFIL - MODERN GRADIENT DESIGN
   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: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    line-height: 1.7;
    color: #1f2937;
    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; /* Prevent zoom on iOS */
}

/* ========================================
   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;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

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

.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
    z-index: 1000;
    transition: all 0.3s ease;
}

.header.scrolled {
    padding: 8px 0;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
}

.navbar {
    padding: 15px 0;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 24px;
    font-weight: 800;
    color: #4F46E5;
    transition: transform 0.3s ease;
}

.logo:hover {
    transform: scale(1.05);
}

.logo-icon {
    font-size: 28px;
}

.hamburger {
    display: flex;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
    cursor: pointer;
    z-index: 1001;
}

.hamburger span {
    width: 28px;
    height: 3px;
    background: #4F46E5;
    border-radius: 3px;
    transition: all 0.3s ease;
}

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

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

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

.nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: linear-gradient(135deg, #4F46E5 0%, #06B6D4 100%);
    display: flex;
    flex-direction: column;
    padding: 80px 30px 30px;
    gap: 20px;
    transition: right 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    box-shadow: -5px 0 30px rgba(0, 0, 0, 0.2);
}

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

.nav-link {
    color: #ffffff;
    font-size: 18px;
    font-weight: 500;
    padding: 12px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.nav-link:hover {
    padding-left: 10px;
    color: #FDE047;
}

.nav-cta {
    background: #ffffff;
    color: #4F46E5;
    padding: 14px 28px;
    border-radius: 50px;
    font-weight: 700;
    text-align: center;
    margin-top: 10px;
    transition: all 0.3s ease;
}

.nav-cta:hover {
    background: #FDE047;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

@media (min-width: 768px) {
    .hamburger {
        display: none;
    }
    
    .nav-menu {
        position: static;
        width: auto;
        height: auto;
        background: transparent;
        flex-direction: row;
        padding: 0;
        align-items: center;
        box-shadow: none;
    }
    
    .nav-link {
        color: #1f2937;
        font-size: 16px;
        padding: 8px 16px;
        border: none;
    }
    
    .nav-link:hover {
        padding-left: 16px;
        color: #4F46E5;
    }
    
    .nav-cta {
        margin-top: 0;
        margin-left: 10px;
    }
}

/* ========================================
   BUTTONS & CTA
   ======================================== */

.btn-primary {
    display: inline-block;
    background: linear-gradient(135deg, #4F46E5 0%, #06B6D4 100%);
    color: #ffffff;
    padding: 16px 32px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 16px;
    min-height: 48px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(79, 70, 229, 0.3);
}

.btn-primary:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 30px rgba(79, 70, 229, 0.4);
}

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

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

.hero-section {
    padding: 120px 0 80px;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
}

.hero-shape {
    position: absolute;
    top: -50%;
    right: -20%;
    width: 800px;
    height: 800px;
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.1) 0%, rgba(6, 182, 212, 0.1) 100%);
    border-radius: 50%;
    filter: blur(80px);
    animation: float 20s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    50% { transform: translate(-50px, -50px) rotate(180deg); }
}

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

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

.hero-image {
    position: relative;
    text-align: center;
    animation: fadeInUp 1s ease-out;
}

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

.product-image {
    max-width: 400px;
    margin: 0 auto;
    filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.1));
    animation: productFloat 3s ease-in-out infinite;
}

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

.floating-badge {
    position: absolute;
    top: 20px;
    left: 20px;
    background: linear-gradient(135deg, #10B981 0%, #059669 100%);
    color: #ffffff;
    padding: 10px 20px;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 6px;
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
    animation: pulse 2s ease-in-out infinite;
}

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

.badge-icon {
    font-size: 16px;
}

.floating-stats {
    position: absolute;
    bottom: 20px;
    right: 20px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 15px 20px;
    border-radius: 15px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
    animation: slideInRight 1s ease-out 0.5s both;
}

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

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.stat-item strong {
    font-size: 20px;
    color: #4F46E5;
    font-weight: 800;
}

.stat-item span {
    font-size: 12px;
    color: #6b7280;
}

.hero-content {
    animation: fadeInUp 1s ease-out 0.3s both;
}

.hero-title {
    font-size: 32px;
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 20px;
    color: #1f2937;
}

@media (min-width: 768px) {
    .hero-title {
        font-size: 48px;
    }
}

.hero-description {
    font-size: 16px;
    line-height: 1.8;
    color: #4b5563;
    margin-bottom: 15px;
}

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

.hero-features {
    display: grid;
    grid-template-columns: 1fr;
    gap: 15px;
    margin: 30px 0;
}

@media (min-width: 576px) {
    .hero-features {
        grid-template-columns: repeat(3, 1fr);
    }
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 10px;
    background: rgba(255, 255, 255, 0.8);
    padding: 12px 16px;
    border-radius: 12px;
    font-weight: 600;
    font-size: 14px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

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

.btn-hero {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: linear-gradient(135deg, #4F46E5 0%, #06B6D4 100%);
    color: #ffffff;
    padding: 18px 36px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 18px;
    margin-top: 20px;
    min-height: 56px;
    transition: all 0.3s ease;
    box-shadow: 0 8px 30px rgba(79, 70, 229, 0.3);
    width: 100%;
    justify-content: center;
}

@media (min-width: 576px) {
    .btn-hero {
        width: auto;
    }
}

.btn-hero:hover {
    transform: scale(1.05) translateY(-2px);
    box-shadow: 0 12px 40px rgba(79, 70, 229, 0.4);
}

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

.btn-arrow {
    font-size: 24px;
    transition: transform 0.3s ease;
}

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

.hero-trust {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 20px;
    font-size: 14px;
    color: #6b7280;
}

.trust-icon {
    font-size: 18px;
    color: #10B981;
}

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

.section-title {
    font-size: 28px;
    font-weight: 800;
    text-align: center;
    margin-bottom: 15px;
    color: #1f2937;
}

@media (min-width: 768px) {
    .section-title {
        font-size: 40px;
        margin-bottom: 20px;
    }
}

.section-subtitle {
    text-align: center;
    font-size: 16px;
    color: #6b7280;
    margin-bottom: 40px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

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

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

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

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

@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: #ffffff;
    padding: 30px 20px;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 2px solid transparent;
}

.badge-card:hover {
    transform: scale(1.05) rotate(2deg);
    box-shadow: 0 12px 40px rgba(79, 70, 229, 0.2);
    border-color: #4F46E5;
}

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

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

.badge-title {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 12px;
    color: #1f2937;
}

.badge-description {
    font-size: 14px;
    line-height: 1.6;
    color: #6b7280;
}

/* Scroll Animation */
[data-animate] {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease-out;
}

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

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

.what-is-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #f9fafb 0%, #f3f4f6 100%);
}

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

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

.what-is-content .section-title {
    text-align: left;
    margin-bottom: 25px;
}

.what-is-text {
    font-size: 16px;
    line-height: 1.8;
    color: #4b5563;
    margin-bottom: 20px;
}

.what-is-image img {
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

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

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

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

.accordion-item {
    background: #ffffff;
    border: 2px solid #e5e7eb;
    border-radius: 15px;
    margin-bottom: 15px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.accordion-item:hover {
    border-color: #4F46E5;
    box-shadow: 0 4px 20px rgba(79, 70, 229, 0.1);
}

.accordion-header {
    display: flex;
    align-items: center;
    gap: 15px;
    width: 100%;
    padding: 20px;
    text-align: left;
    cursor: pointer;
    background: #ffffff;
    transition: all 0.3s ease;
    min-height: 44px;
}

.accordion-header:hover {
    background: #f9fafb;
}

.accordion-icon {
    font-size: 28px;
    flex-shrink: 0;
}

.accordion-title {
    flex: 1;
    font-size: 16px;
    font-weight: 700;
    color: #1f2937;
}

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

.accordion-arrow {
    font-size: 28px;
    font-weight: 300;
    color: #4F46E5;
    transition: transform 0.3s ease;
    flex-shrink: 0;
}

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

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

.accordion-item.active .accordion-content {
    max-height: 500px;
    padding: 0 20px 20px;
}

.accordion-content p {
    font-size: 15px;
    line-height: 1.7;
    color: #4b5563;
}

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

.reviews-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
}

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

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

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

.review-card {
    background: #ffffff;
    padding: 30px;
    border-radius: 20px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.review-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 12px 40px rgba(79, 70, 229, 0.15);
}

.review-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 15px;
}

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

.reviewer-name {
    font-size: 16px;
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 2px;
}

.reviewer-location {
    font-size: 13px;
    color: #6b7280;
}

.review-rating {
    margin-bottom: 15px;
}

.review-rating img {
    max-width: 120px;
}

.review-text {
    font-size: 14px;
    line-height: 1.7;
    color: #4b5563;
    font-style: italic;
}

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

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

.countdown-timer {
    max-width: 500px;
    margin: 0 auto 50px;
    text-align: center;
    background: linear-gradient(135deg, #EF4444 0%, #DC2626 100%);
    padding: 25px;
    border-radius: 20px;
    box-shadow: 0 8px 30px rgba(239, 68, 68, 0.3);
}

.timer-label {
    color: #ffffff;
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 15px;
}

.timer-display {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
}

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

.timer-value {
    font-size: 48px;
    font-weight: 900;
    color: #ffffff;
    line-height: 1;
    min-width: 80px;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 10px;
    padding: 15px;
}

@media (min-width: 576px) {
    .timer-value {
        font-size: 64px;
    }
}

.timer-label-small {
    font-size: 12px;
    color: #fecaca;
    margin-top: 8px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.timer-separator {
    font-size: 48px;
    font-weight: 700;
    color: #ffffff;
}

@media (min-width: 576px) {
    .timer-separator {
        font-size: 64px;
    }
}

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

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

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

.pricing-card {
    background: #ffffff;
    border: 3px solid #e5e7eb;
    border-radius: 25px;
    padding: 30px 20px;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
}

.pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.1);
    border-color: #4F46E5;
}

.pricing-card-popular {
    border-color: #4F46E5;
    border-width: 4px;
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    transform: scale(1.05);
}

.pricing-card-popular:hover {
    transform: scale(1.08) translateY(-10px);
}

.popular-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, #EF4444 0%, #DC2626 100%);
    color: #ffffff;
    padding: 8px 25px;
    border-radius: 50px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 1px;
    box-shadow: 0 4px 15px rgba(239, 68, 68, 0.4);
}

.pricing-label {
    font-size: 14px;
    font-weight: 700;
    color: #4F46E5;
    margin-bottom: 10px;
    letter-spacing: 1px;
}

.pricing-title {
    font-size: 24px;
    font-weight: 800;
    color: #1f2937;
    margin-bottom: 8px;
}

.pricing-supply {
    font-size: 14px;
    color: #6b7280;
    margin-bottom: 20px;
}

.pricing-image {
    margin: 25px 0;
}

.pricing-image img {
    max-width: 200px;
    margin: 0 auto;
    filter: drop-shadow(0 10px 30px rgba(0, 0, 0, 0.1));
}

.pricing-price {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 15px;
}

.price-per-bottle {
    font-size: 48px;
    font-weight: 900;
    color: #4F46E5;
    line-height: 1;
}

.price-label {
    font-size: 14px;
    color: #6b7280;
    margin-top: 5px;
}

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

.price-original {
    font-size: 20px;
    color: #9ca3af;
    text-decoration: line-through;
    margin-right: 10px;
}

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

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

.bonus-badge,
.shipping-badge {
    display: inline-block;
    background: linear-gradient(135deg, #10B981 0%, #059669 100%);
    color: #ffffff;
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 12px;
    font-weight: 600;
}

.shipping-badge {
    background: linear-gradient(135deg, #F59E0B 0%, #D97706 100%);
}

.btn-pricing {
    display: block;
    width: 100%;
    margin-bottom: 15px;
    transition: all 0.3s ease;
    min-height: 50px;
}

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

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

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

.btn-pricing-popular {
    filter: drop-shadow(0 8px 20px rgba(79, 70, 229, 0.3));
}

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

.pricing-guarantee {
    text-align: center;
    margin-top: 40px;
}

.guarantee-stars {
    max-width: 150px;
    margin: 0 auto 15px;
}

.pricing-guarantee p {
    font-size: 16px;
    color: #6b7280;
    font-weight: 600;
}

/* ========================================
   BONUS SECTION
   ======================================== */

.bonus-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
}

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

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

.bonus-card {
    background: #ffffff;
    padding: 30px;
    border-radius: 20px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.bonus-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 50px rgba(245, 158, 11, 0.3);
}

.bonus-image {
    margin-bottom: 20px;
}

.bonus-image img {
    border-radius: 15px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.bonus-title {
    font-size: 20px;
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 10px;
}

.bonus-value {
    font-size: 16px;
    font-weight: 700;
    color: #10B981;
    margin-bottom: 15px;
}

.bonus-description {
    font-size: 15px;
    line-height: 1.7;
    color: #4b5563;
}

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

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

.ingredients-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 25px;
}

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

.ingredient-card {
    background: #f9fafb;
    padding: 25px;
    border-radius: 15px;
    border-left: 4px solid #4F46E5;
    transition: all 0.3s ease;
}

.ingredient-card:hover {
    background: #ffffff;
    box-shadow: 0 8px 30px rgba(79, 70, 229, 0.1);
    transform: translateX(5px);
}

.ingredient-name {
    font-size: 18px;
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 12px;
}

.ingredient-description {
    font-size: 14px;
    line-height: 1.7;
    color: #4b5563;
    margin-bottom: 12px;
}

.ingredient-benefits {
    font-size: 13px;
    color: #6b7280;
    background: #ffffff;
    padding: 10px;
    border-radius: 8px;
}

.ingredient-benefits strong {
    color: #10B981;
}

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

.scientific-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #f3f4f6 0%, #e5e7eb 100%);
}

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

.scientific-item {
    background: #ffffff;
    padding: 30px;
    border-radius: 15px;
    margin-bottom: 20px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.scientific-title {
    font-size: 20px;
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 15px;
}

.scientific-text {
    font-size: 15px;
    line-height: 1.8;
    color: #4b5563;
}

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

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

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

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

.guarantee-image img {
    max-width: 400px;
    margin: 0 auto;
}

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

@media (max-width: 767px) {
    .guarantee-content .section-title {
        text-align: center;
    }
}

.guarantee-point {
    display: flex;
    gap: 20px;
    margin-bottom: 25px;
}

.guarantee-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #10B981 0%, #059669 100%);
    color: #ffffff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 700;
    flex-shrink: 0;
}

.guarantee-text h3 {
    font-size: 18px;
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 8px;
}

.guarantee-text p {
    font-size: 15px;
    line-height: 1.7;
    color: #4b5563;
}

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

.benefits-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
}

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

.benefit-item {
    display: flex;
    gap: 20px;
    background: #ffffff;
    padding: 25px;
    border-radius: 15px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.benefit-item:hover {
    transform: translateX(10px);
    box-shadow: 0 8px 30px rgba(79, 70, 229, 0.15);
}

.benefit-icon {
    width: 35px;
    height: 35px;
    background: linear-gradient(135deg, #10B981 0%, #059669 100%);
    color: #ffffff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 700;
    flex-shrink: 0;
}

.benefit-text h3 {
    font-size: 17px;
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 6px;
}

.benefit-text p {
    font-size: 14px;
    line-height: 1.6;
    color: #6b7280;
}

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

.faq-section {
    padding: 80px 0;
    background: #ffffff;
}

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

.faq-item {
    background: #ffffff;
    border: 2px solid #e5e7eb;
    border-radius: 15px;
    margin-bottom: 15px;
    overflow: hidden;
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    padding: 20px;
    text-align: left;
    cursor: pointer;
    background: #ffffff;
    font-size: 16px;
    font-weight: 700;
    color: #1f2937;
    transition: all 0.3s ease;
    min-height: 44px;
}

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

.faq-question:hover {
    background: #f9fafb;
}

.faq-arrow {
    font-size: 28px;
    font-weight: 300;
    color: #4F46E5;
    transition: transform 0.3s ease;
}

.faq-item.active .faq-arrow {
    transform: rotate(45deg);
}

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

.faq-item.active .faq-answer {
    max-height: 500px;
    padding: 0 20px 20px;
}

.faq-answer p {
    font-size: 15px;
    line-height: 1.7;
    color: #4b5563;
}

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

.final-cta-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #1f2937 0%, #111827 100%);
    position: relative;
    overflow: hidden;
}

.final-cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    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="rgba(255,255,255,0.1)"/></svg>');
    opacity: 0.3;
}

.final-cta-content {
    position: relative;
    text-align: center;
    animation: fadeInScale 1s ease-out;
}

@keyframes fadeInScale {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.final-cta-image {
    margin-bottom: 30px;
}

.cta-product-img {
    max-width: 350px;
    margin: 0 auto;
    filter: drop-shadow(0 20px 60px rgba(6, 182, 212, 0.4));
    animation: productFloat 3s ease-in-out infinite;
}

.final-cta-title {
    font-size: 28px;
    font-weight: 900;
    color: #ffffff;
    margin-bottom: 30px;
    line-height: 1.3;
}

@media (min-width: 768px) {
    .final-cta-title {
        font-size: 42px;
    }
}

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

.final-price-original {
    display: block;
    font-size: 18px;
    color: #9ca3af;
    text-decoration: line-through;
    margin-bottom: 8px;
}

.final-price-special {
    display: block;
    font-size: 48px;
    font-weight: 900;
    background: linear-gradient(135deg, #10B981 0%, #06B6D4 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 8px;
}

@media (min-width: 768px) {
    .final-price-special {
        font-size: 64px;
    }
}

.final-price-save {
    display: block;
    font-size: 16px;
    color: #FDE047;
    font-weight: 600;
}

.btn-final-cta {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: linear-gradient(135deg, #10B981 0%, #06B6D4 100%);
    color: #ffffff;
    padding: 20px 50px;
    border-radius: 50px;
    font-weight: 800;
    font-size: 20px;
    margin-bottom: 30px;
    min-height: 60px;
    transition: all 0.3s ease;
    box-shadow: 0 10px 40px rgba(16, 185, 129, 0.4);
}

@media (max-width: 575px) {
    .btn-final-cta {
        width: 100%;
        justify-content: center;
    }
}

.btn-final-cta:hover {
    transform: scale(1.08) translateY(-3px);
    box-shadow: 0 15px 50px rgba(16, 185, 129, 0.5);
}

.btn-final-cta:active {
    transform: scale(1.02);
}

.final-cta-features {
    display: flex;
    flex-direction: column;
    gap: 12px;
    align-items: center;
}

@media (min-width: 768px) {
    .final-cta-features {
        flex-direction: row;
        justify-content: center;
    }
}

.cta-feature {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #ffffff;
    font-size: 14px;
}

.feature-check {
    font-size: 20px;
    color: #10B981;
}

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

.footer {
    background: #1f2937;
    color: #9ca3af;
    padding: 60px 0 30px;
}

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

.footer-legal-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 10px;
    margin-bottom: 30px;
}

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

.legal-link:hover {
    color: #ffffff;
}

.link-separator {
    color: #6b7280;
}

.footer-disclaimer {
    max-width: 900px;
    margin: 0 auto 30px;
}

.footer-disclaimer p {
    font-size: 13px;
    line-height: 1.7;
    color: #9ca3af;
    margin-bottom: 15px;
}

.footer-social {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 30px;
}

.social-link {
    width: 44px;
    height: 44px;
    background: #374151;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #d1d5db;
    transition: all 0.3s ease;
}

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

.footer-copyright p {
    font-size: 14px;
    color: #6b7280;
}

/* ========================================
   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: none;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(79, 70, 229, 0.4);
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 999;
}

.scroll-to-top.visible {
    display: flex;
}

.scroll-to-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(79, 70, 229, 0.5);
}

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

.purchase-notification {
    position: fixed;
    bottom: 30px;
    left: 30px;
    background: #ffffff;
    padding: 15px 20px;
    border-radius: 15px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
    z-index: 998;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.4s ease;
    max-width: 300px;
}

@media (max-width: 575px) {
    .purchase-notification {
        left: 50%;
        transform: translateX(-50%) translateY(20px);
        bottom: 20px;
        max-width: calc(100% - 40px);
    }
}

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

@media (max-width: 575px) {
    .purchase-notification.show {
        transform: translateX(-50%) translateY(0);
    }
}

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

.notification-icon {
    font-size: 28px;
}

.notification-text {
    display: flex;
    flex-direction: column;
    font-size: 13px;
    color: #4b5563;
}

.notification-text strong {
    color: #1f2937;
    font-weight: 700;
    margin-bottom: 2px;
}

/* ========================================
   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.active {
    display: flex;
}

.exit-popup-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.exit-popup-content {
    position: relative;
    background: #ffffff;
    border-radius: 25px;
    padding: 40px;
    max-width: 500px;
    width: 90%;
    animation: slideUp 0.4s ease;
    z-index: 10000;
}

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

.exit-close {
    position: absolute;
    top: 15px;
    right: 15px;
    width: 40px;
    height: 40px;
    background: #f3f4f6;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    color: #6b7280;
    cursor: pointer;
    transition: all 0.3s ease;
    line-height: 1;
}

.exit-close:hover {
    background: #e5e7eb;
    color: #1f2937;
}

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

.exit-popup-body h3 {
    font-size: 28px;
    font-weight: 800;
    color: #1f2937;
    margin-bottom: 15px;
}

.exit-popup-body p {
    font-size: 18px;
    color: #4b5563;
    margin-bottom: 10px;
}

.exit-subtitle {
    font-size: 14px !important;
    color: #6b7280 !important;
    margin-bottom: 25px !important;
}

.btn-exit-cta {
    display: inline-block;
    background: linear-gradient(135deg, #EF4444 0%, #DC2626 100%);
    color: #ffffff;
    padding: 18px 40px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 18px;
    margin-bottom: 15px;
    min-height: 56px;
    transition: all 0.3s ease;
    box-shadow: 0 8px 30px rgba(239, 68, 68, 0.4);
}

.btn-exit-cta:hover {
    transform: scale(1.05);
    box-shadow: 0 12px 40px rgba(239, 68, 68, 0.5);
}

.exit-guarantee {
    font-size: 13px;
    color: #10B981;
    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;
    }
}

/* Touch feedback */
@media (hover: none) and (pointer: coarse) {
    button:active,
    a:active {
        transform: scale(0.98);
    }
}

/* Print styles */
@media print {
    .header,
    .scroll-to-top,
    .purchase-notification,
    .exit-popup {
        display: none !important;
    }
}