/* ===================================
   APPANAIL LANDING PAGE - STYLES
   Mobile-First Responsive Design
   Modern Gradient Theme
   =================================== */

/* === RESET & BASE === */
* {
    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 {
    border: none;
    background: none;
    cursor: pointer;
    font-family: inherit;
}

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

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

/* === TYPOGRAPHY === */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 {
    font-size: 28px;
}

h2 {
    font-size: 24px;
}

h3 {
    font-size: 20px;
}

p {
    margin-bottom: 1rem;
    line-height: 1.7;
}

/* === BUTTONS === */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 16px 32px;
    min-height: 48px;
    font-size: 16px;
    font-weight: 600;
    border-radius: 50px;
    transition: all 0.3s ease;
    text-align: center;
    cursor: pointer;
    border: none;
    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);
    box-shadow: 0 6px 20px rgba(79, 70, 229, 0.4);
}

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

.btn-hero {
    background: linear-gradient(135deg, #4F46E5 0%, #06B6D4 100%);
    color: #ffffff;
    font-size: 18px;
    padding: 18px 40px;
    box-shadow: 0 8px 25px rgba(79, 70, 229, 0.4);
    width: 100%;
    margin-top: 1rem;
}

.btn-hero:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(79, 70, 229, 0.5);
}

.btn-pricing {
    background: linear-gradient(135deg, #10B981 0%, #059669 100%);
    color: #ffffff;
    width: 100%;
    font-size: 17px;
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
}

.btn-pricing:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.4);
}

.btn-final-cta {
    background: linear-gradient(135deg, #EF4444 0%, #DC2626 100%);
    color: #ffffff;
    font-size: 18px;
    padding: 20px 45px;
    box-shadow: 0 8px 25px rgba(239, 68, 68, 0.4);
}

.btn-final-cta:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(239, 68, 68, 0.5);
}

.btn-popup {
    background: linear-gradient(135deg, #F59E0B 0%, #D97706 100%);
    color: #ffffff;
    width: 100%;
    margin-top: 15px;
}

/* === SECTION STYLING === */
section {
    padding: 60px 0;
}

.section-title {
    text-align: center;
    font-size: 32px;
    margin-bottom: 1.5rem;
    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: #666;
    margin-bottom: 2rem;
}

/* ===================================
   NAVIGATION
   =================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transition: all 0.3s ease;
}

.header.scrolled {
    padding: 5px 0;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.navbar {
    padding: 15px 0;
}

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

.logo a {
    font-size: 26px;
    font-weight: 700;
    background: linear-gradient(135deg, #4F46E5 0%, #06B6D4 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 20px;
}

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

.nav-link {
    font-weight: 500;
    color: #333;
    transition: color 0.3s ease;
    font-size: 15px;
}

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

.nav-cta {
    padding: 12px 24px;
    min-height: 44px;
}

/* Hamburger Menu */
.hamburger {
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    width: 30px;
    height: 25px;
    background: transparent;
    cursor: pointer;
    z-index: 1001;
}

.hamburger span {
    width: 100%;
    height: 3px;
    background: linear-gradient(135deg, #4F46E5 0%, #06B6D4 100%);
    border-radius: 10px;
    transition: all 0.3s ease;
}

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

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

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

/* Mobile Menu */
.nav-menu.mobile-active {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: #ffffff;
    flex-direction: column;
    padding: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    animation: slideDown 0.3s ease;
}

.nav-menu.mobile-active .nav-links {
    display: flex;
    flex-direction: column;
    width: 100%;
    text-align: center;
}

.nav-menu.mobile-active .nav-link {
    padding: 15px;
    display: block;
    border-bottom: 1px solid #eee;
}

.nav-menu.mobile-active .nav-cta {
    width: 100%;
    margin-top: 15px;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===================================
   HERO SECTION
   =================================== */
.hero-section {
    margin-top: 80px;
    padding: 40px 0;
    background: linear-gradient(135deg, #EEF2FF 0%, #DBEAFE 100%);
    overflow: hidden;
}

.hero-container {
    display: flex;
    flex-direction: column-reverse;
    align-items: center;
    gap: 30px;
}

.hero-image {
    width: 100%;
    display: flex;
    justify-content: center;
}

.product-showcase {
    position: relative;
    max-width: 350px;
    margin: 0 auto;
}

.product-img {
    position: relative;
    z-index: 2;
    filter: drop-shadow(0 20px 40px rgba(79, 70, 229, 0.3));
}

.product-img.floating {
    animation: floating 3s ease-in-out infinite;
}

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

.glow-effect {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(79, 70, 229, 0.3) 0%, transparent 70%);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
    z-index: 1;
}

@keyframes pulse {
    0%, 100% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 0.5;
    }
    50% {
        transform: translate(-50%, -50%) scale(1.1);
        opacity: 0.8;
    }
}

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

.hero-title {
    font-size: 32px;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    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;
    color: #555;
    margin-bottom: 1rem;
    line-height: 1.7;
}

/* ===================================
   WHY CHOOSE US
   =================================== */
.why-choose-section {
    background: #ffffff;
}

.badges-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 25px;
    margin-top: 40px;
}

.badge-card {
    background: #ffffff;
    border-radius: 20px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.4s ease;
    opacity: 0;
    transform: translateY(30px);
}

.badge-card.animated {
    opacity: 1;
    transform: translateY(0);
}

.badge-card:hover {
    transform: translateY(-5px) rotate(2deg) scale(1.02);
    box-shadow: 0 15px 40px rgba(79, 70, 229, 0.2);
}

.badge-icon {
    width: 100px;
    height: 100px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.badge-title {
    font-size: 20px;
    margin-bottom: 15px;
    color: #4F46E5;
}

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

/* ===================================
   WHAT IS SECTION
   =================================== */
.what-is-section {
    background: linear-gradient(135deg, #F9FAFB 0%, #F3F4F6 100%);
}

.what-is-grid {
    display: flex;
    flex-direction: column;
    gap: 30px;
    align-items: center;
}

.what-is-content {
    text-align: left;
}

.what-is-text {
    font-size: 16px;
    color: #555;
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.what-is-image {
    width: 100%;
    max-width: 500px;
}

.responsive-img {
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

/* ===================================
   HOW IT WORKS
   =================================== */
.how-it-works-section {
    background: #ffffff;
}

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

.accordion-item {
    background: #ffffff;
    border-radius: 15px;
    margin-bottom: 15px;
    box-shadow: 0 3px 15px rgba(0, 0, 0, 0.08);
    overflow: hidden;
    transition: all 0.3s ease;
}

.accordion-header {
    width: 100%;
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 17px;
    font-weight: 600;
    color: #333;
    cursor: pointer;
    transition: all 0.3s ease;
    min-height: 48px;
    text-align: left;
}

.accordion-header:hover {
    background: #F9FAFB;
}

.accordion-icon {
    flex-shrink: 0;
    transition: transform 0.3s ease;
    color: #4F46E5;
}

.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 20px;
}

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

.accordion-content p {
    color: #666;
    line-height: 1.7;
    font-size: 15px;
}

/* ===================================
   CUSTOMER REVIEWS
   =================================== */
.reviews-section {
    background: linear-gradient(135deg, #EEF2FF 0%, #DBEAFE 100%);
}

.reviews-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 25px;
    margin-top: 40px;
}

.review-card {
    background: #ffffff;
    border-radius: 20px;
    padding: 30px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.4s ease;
    opacity: 0;
    transform: scale(0.9);
}

.review-card.animated {
    opacity: 1;
    transform: scale(1);
    animation: fadeInScale 0.6s ease forwards;
}

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

.review-card:hover {
    transform: translateY(-5px) scale(1.02);
    box-shadow: 0 15px 40px rgba(79, 70, 229, 0.2);
}

.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: 18px;
    font-weight: 600;
    color: #333;
    margin-bottom: 5px;
}

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

.rating {
    margin-bottom: 15px;
}

.star {
    color: #F59E0B;
    font-size: 20px;
    margin-right: 3px;
}

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

/* ===================================
   PRICING SECTION
   =================================== */
.pricing-section {
    background: #ffffff;
}

.countdown-timer {
    max-width: 600px;
    margin: 30px auto;
    background: linear-gradient(135deg, #4F46E5 0%, #06B6D4 100%);
    padding: 25px;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(79, 70, 229, 0.3);
}

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

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

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

.timer-number {
    font-size: 42px;
    font-weight: 700;
    color: #ffffff;
    line-height: 1;
    min-width: 70px;
    background: rgba(255, 255, 255, 0.2);
    padding: 15px;
    border-radius: 12px;
    backdrop-filter: blur(10px);
}

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

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

.pricing-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 25px;
    margin: 40px 0;
}

.pricing-card {
    background: #ffffff;
    border-radius: 25px;
    padding: 35px 25px;
    text-align: center;
    box-shadow: 0 5px 25px rgba(0, 0, 0, 0.1);
    transition: all 0.4s ease;
    position: relative;
}

.pricing-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 45px rgba(79, 70, 229, 0.25);
}

.pricing-card.popular {
    background: linear-gradient(135deg, #EEF2FF 0%, #DBEAFE 100%);
    border: 3px solid #4F46E5;
    transform: scale(1.02);
}

.pricing-card.popular:hover {
    transform: translateY(-10px) scale(1.02);
}

.popular-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, #EF4444 0%, #DC2626 100%);
    color: #ffffff;
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 1px;
    box-shadow: 0 4px 15px rgba(239, 68, 68, 0.3);
}

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

.pricing-bottles {
    font-size: 22px;
    font-weight: 700;
    color: #333;
    margin-bottom: 5px;
}

.pricing-supply {
    font-size: 14px;
    color: #888;
    margin-bottom: 20px;
}

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

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

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

.price-per {
    font-size: 42px;
    font-weight: 700;
    color: #4F46E5;
}

.price-unit {
    font-size: 16px;
    color: #666;
}

.pricing-total {
    margin: 15px 0;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 15px;
}

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

.discounted-price {
    font-size: 32px;
    font-weight: 700;
    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: #ffffff;
    padding: 8px 15px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.5px;
}

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

.payment-logos img {
    max-width: 250px;
    margin: 0 auto;
    opacity: 0.8;
}

.rating-image {
    text-align: center;
    margin-top: 30px;
}

.rating-image img {
    max-width: 300px;
    margin: 0 auto;
}

/* ===================================
   BONUS SECTION
   =================================== */
.bonus-section {
    background: linear-gradient(135deg, #F9FAFB 0%, #F3F4F6 100%);
}

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

.bonus-card {
    background: #ffffff;
    border-radius: 20px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.4s ease;
}

.bonus-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(79, 70, 229, 0.2);
}

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

.bonus-image img {
    max-width: 250px;
    margin: 0 auto;
    border-radius: 15px;
}

.bonus-title {
    font-size: 20px;
    color: #4F46E5;
    margin-bottom: 15px;
}

.bonus-description {
    font-size: 15px;
    color: #666;
    line-height: 1.7;
}

/* ===================================
   INGREDIENTS
   =================================== */
.ingredients-section {
    background: #ffffff;
}

.ingredients-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
    margin-top: 40px;
}

.ingredient-card {
    background: linear-gradient(135deg, #FFFFFF 0%, #F9FAFB 100%);
    border-radius: 15px;
    padding: 25px;
    border-left: 4px solid #4F46E5;
    box-shadow: 0 3px 15px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.ingredient-card:hover {
    transform: translateX(5px);
    box-shadow: 0 5px 20px rgba(79, 70, 229, 0.15);
}

.ingredient-name {
    font-size: 18px;
    color: #4F46E5;
    margin-bottom: 10px;
}

.ingredient-desc {
    font-size: 14px;
    color: #666;
    line-height: 1.7;
}

/* ===================================
   SCIENTIFIC EVIDENCE
   =================================== */
.science-section {
    background: linear-gradient(135deg, #EEF2FF 0%, #DBEAFE 100%);
}

.science-intro {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 40px;
}

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

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

.science-card {
    background: #ffffff;
    border-radius: 20px;
    padding: 30px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.science-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(79, 70, 229, 0.15);
}

.science-card h3 {
    font-size: 20px;
    color: #4F46E5;
    margin-bottom: 15px;
}

.science-card p {
    font-size: 15px;
    color: #666;
    line-height: 1.7;
}

/* ===================================
   GUARANTEE SECTION
   =================================== */
.guarantee-section {
    background: #ffffff;
}

.guarantee-grid {
    display: flex;
    flex-direction: column;
    gap: 30px;
    align-items: center;
}

.guarantee-image {
    width: 100%;
    max-width: 400px;
}

.guarantee-image img {
    border-radius: 20px;
}

.guarantee-content {
    text-align: left;
}

.guarantee-point {
    margin-bottom: 25px;
}

.guarantee-point h3 {
    font-size: 20px;
    color: #4F46E5;
    margin-bottom: 10px;
}

.guarantee-point p {
    font-size: 15px;
    color: #666;
    line-height: 1.7;
}

/* ===================================
   BENEFITS
   =================================== */
.benefits-section {
    background: linear-gradient(135deg, #F9FAFB 0%, #F3F4F6 100%);
}

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

.benefit-item {
    display: flex;
    gap: 20px;
    align-items: flex-start;
    background: #ffffff;
    padding: 25px;
    border-radius: 15px;
    margin-bottom: 20px;
    box-shadow: 0 3px 15px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.benefit-item:hover {
    transform: translateX(5px);
    box-shadow: 0 5px 20px rgba(79, 70, 229, 0.15);
}

.benefit-icon {
    flex-shrink: 0;
    color: #10B981;
}

.benefit-content h3 {
    font-size: 18px;
    color: #333;
    margin-bottom: 8px;
}

.benefit-content p {
    font-size: 14px;
    color: #666;
    line-height: 1.6;
}

/* ===================================
   FAQ SECTION
   =================================== */
.faq-section {
    background: #ffffff;
}

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

.faq-item {
    background: #ffffff;
    border-radius: 15px;
    margin-bottom: 15px;
    box-shadow: 0 3px 15px rgba(0, 0, 0, 0.08);
    overflow: hidden;
}

.faq-question {
    width: 100%;
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 17px;
    font-weight: 600;
    color: #333;
    cursor: pointer;
    transition: all 0.3s ease;
    min-height: 48px;
    text-align: left;
}

.faq-question:hover {
    background: #F9FAFB;
}

.faq-icon {
    flex-shrink: 0;
    transition: transform 0.3s ease;
    color: #4F46E5;
}

.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 20px;
}

.faq-item.active .faq-answer {
    max-height: 600px;
    padding: 0 20px 20px;
}

.faq-answer p {
    color: #666;
    line-height: 1.7;
    font-size: 15px;
}

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

.final-cta-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 30px;
    text-align: center;
}

.final-cta-image {
    width: 100%;
    max-width: 400px;
}

.final-product-img.pulse {
    animation: pulse-scale 2s ease-in-out infinite;
}

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

.final-cta-title {
    font-size: 28px;
    color: #ffffff;
    margin-bottom: 20px;
}

.final-pricing {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 25px;
}

.final-regular-price {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.8);
    text-decoration: line-through;
}

.final-special-price {
    font-size: 36px;
    font-weight: 700;
    color: #ffffff;
}

/* ===================================
   FOOTER
   =================================== */
.footer {
    background: #1F2937;
    color: #ffffff;
    padding: 50px 0 30px;
}

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

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

.footer-links a {
    color: #ffffff;
    font-size: 14px;
    transition: color 0.3s ease;
    padding: 8px;
}

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

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

.footer-disclaimer {
    max-width: 900px;
    margin: 0 auto 30px;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
}

.footer-disclaimer p {
    margin-bottom: 15px;
}

.footer-social {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 25px;
}

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

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

.footer-copyright {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
}

/* ===================================
   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 15px 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 6px 20px rgba(79, 70, 229, 0.5);
}

.scroll-to-top:active {
    transform: translateY(-3px) scale(0.95);
}

/* ===================================
   PURCHASE POPUP
   =================================== */
.purchase-popup {
    position: fixed;
    bottom: 20px;
    left: 20px;
    background: #ffffff;
    border-radius: 15px;
    padding: 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    z-index: 998;
    max-width: 320px;
    transform: translateX(-400px);
    transition: transform 0.5s ease;
}

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

.popup-content {
    display: flex;
    gap: 15px;
    align-items: center;
    position: relative;
}

.popup-close {
    position: absolute;
    top: -10px;
    right: -10px;
    width: 24px;
    height: 24px;
    background: #EF4444;
    color: #ffffff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 16px;
    line-height: 1;
}

.popup-icon {
    font-size: 32px;
}

.popup-text {
    font-size: 14px;
}

.popup-text strong {
    color: #4F46E5;
    display: block;
    margin-bottom: 3px;
}

.popup-text p {
    margin: 0;
    color: #666;
}

/* ===================================
   CTA POPUP
   =================================== */
.cta-popup {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    padding: 20px;
}

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

.cta-popup-content {
    background: #ffffff;
    border-radius: 25px;
    padding: 40px 30px;
    max-width: 500px;
    width: 100%;
    text-align: center;
    position: relative;
    animation: popupSlideIn 0.4s ease;
}

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

.cta-popup-close {
    position: absolute;
    top: 15px;
    right: 15px;
    width: 36px;
    height: 36px;
    background: #f3f4f6;
    color: #333;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 24px;
    line-height: 1;
    transition: all 0.3s ease;
}

.cta-popup-close:hover {
    background: #EF4444;
    color: #ffffff;
}

.cta-popup-content h3 {
    font-size: 28px;
    margin-bottom: 15px;
    background: linear-gradient(135deg, #4F46E5 0%, #06B6D4 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.cta-popup-content p {
    font-size: 18px;
    color: #666;
    margin-bottom: 10px;
}

/* ===================================
   TABLET BREAKPOINT (576px+)
   =================================== */
@media (min-width: 576px) {
    .badges-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }
    
    .reviews-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .pricing-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .bonus-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .science-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .ingredients-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .hero-title {
        font-size: 36px;
    }
    
    h2 {
        font-size: 28px;
    }
}

/* ===================================
   TABLET BREAKPOINT (768px+)
   =================================== */
@media (min-width: 768px) {
    .hamburger {
        display: none;
    }
    
    .nav-links {
        display: flex;
    }
    
    .hero-container {
        flex-direction: row;
        gap: 50px;
    }
    
    .hero-image,
    .hero-content {
        width: 50%;
    }
    
    .hero-content {
        text-align: left;
    }
    
    .btn-hero {
        width: auto;
    }
    
    .what-is-grid {
        flex-direction: row;
        gap: 50px;
    }
    
    .what-is-content,
    .what-is-image {
        width: 50%;
    }
    
    .guarantee-grid {
        flex-direction: row;
    }
    
    .guarantee-image,
    .guarantee-content {
        width: 50%;
    }
    
    .final-cta-content {
        flex-direction: row;
        text-align: left;
    }
    
    .final-cta-image {
        width: 40%;
    }
    
    .final-cta-text {
        width: 60%;
    }
    
    .section-title {
        font-size: 36px;
    }
    
    .purchase-popup {
        bottom: 30px;
        left: 30px;
        max-width: 350px;
    }
}

/* ===================================
   DESKTOP BREAKPOINT (992px+)
   =================================== */
@media (min-width: 992px) {
    section {
        padding: 80px 0;
    }
    
    .badges-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .reviews-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .pricing-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .hero-title {
        font-size: 42px;
    }
    
    .section-title {
        font-size: 40px;
    }
    
    h2 {
        font-size: 32px;
    }
}

/* ===================================
   LARGE DESKTOP (1200px+)
   =================================== */
@media (min-width: 1200px) {
    .hero-title {
        font-size: 48px;
    }
    
    .section-title {
        font-size: 44px;
    }
}

/* ===================================
   ACCESSIBILITY & REDUCED MOTION
   =================================== */
@media (prefers-reduced-motion: reduce) {
    * {
        animation: none !important;
        transition: none !important;
    }
}

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