/* ===================================
   CSS RESET & BASE STYLES
   =================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

:root {
    /* Modern Gradient Color Palette */
    --primary-gradient: linear-gradient(135deg, #4F46E5 0%, #06B6D4 100%);
    --primary-dark: #4F46E5;
    --primary-light: #06B6D4;
    --secondary: #10B981;
    --accent: #F59E0B;
    --danger: #EF4444;
    
    /* Neutral Colors */
    --white: #FFFFFF;
    --black: #000000;
    --gray-50: #F9FAFB;
    --gray-100: #F3F4F6;
    --gray-200: #E5E7EB;
    --gray-300: #D1D5DB;
    --gray-400: #9CA3AF;
    --gray-500: #6B7280;
    --gray-600: #4B5563;
    --gray-700: #374151;
    --gray-800: #1F2937;
    --gray-900: #111827;
    
    /* Typography */
    --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    --font-size-base: 16px;
    --line-height-base: 1.6;
    
    /* Spacing */
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 32px;
    --spacing-xl: 48px;
    --spacing-2xl: 64px;
    --spacing-3xl: 96px;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    
    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 300ms ease-in-out;
    --transition-slow: 500ms ease-in-out;
    
    /* Z-index */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
}

html {
    font-size: var(--font-size-base);
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%;
}

body {
    font-family: var(--font-primary);
    font-size: 1rem;
    line-height: var(--line-height-base);
    color: var(--gray-800);
    background-color: var(--white);
    overflow-x: hidden;
}

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

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

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition-base);
}

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

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

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

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

.section {
    padding: 48px 0;
}

@media (min-width: 768px) {
    .section {
        padding: 80px 0;
    }
}

@media (min-width: 1024px) {
    .section {
        padding: 100px 0;
    }
}

.section__title {
    font-size: 28px;
    font-weight: 800;
    color: var(--gray-900);
    text-align: center;
    margin-bottom: 40px;
    line-height: 1.2;
}

@media (min-width: 768px) {
    .section__title {
        font-size: 36px;
        margin-bottom: 60px;
    }
}

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

/* ===================================
   HEADER & NAVIGATION
   =================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-md);
    z-index: var(--z-sticky);
    transition: var(--transition-base);
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-lg);
}

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

@media (min-width: 768px) {
    .nav {
        height: 80px;
    }
}

.nav__logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 20px;
    font-weight: 700;
    color: var(--primary-dark);
}

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

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

.nav__menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--white);
    box-shadow: var(--shadow-2xl);
    padding: 80px 30px 30px;
    transition: right 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    z-index: var(--z-fixed);
}

.nav__menu.show {
    right: 0;
}

@media (min-width: 768px) {
    .nav__menu {
        position: static;
        width: auto;
        height: auto;
        background: transparent;
        box-shadow: none;
        padding: 0;
        display: flex;
        align-items: center;
        gap: 32px;
    }
}

.nav__list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin-bottom: 32px;
}

@media (min-width: 768px) {
    .nav__list {
        flex-direction: row;
        gap: 32px;
        margin-bottom: 0;
    }
}

.nav__link {
    font-size: 16px;
    font-weight: 500;
    color: var(--gray-700);
    transition: var(--transition-base);
}

.nav__link:hover {
    color: var(--primary-dark);
}

.nav__cta {
    width: 100%;
}

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

.nav__toggle {
    display: flex;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    z-index: var(--z-tooltip);
}

.nav__toggle span {
    width: 28px;
    height: 3px;
    background: var(--primary-dark);
    border-radius: 2px;
    transition: var(--transition-base);
}

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

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

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

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

.nav__close {
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 32px;
    color: var(--gray-600);
    cursor: pointer;
    transition: var(--transition-base);
}

.nav__close:hover {
    color: var(--danger);
    transform: rotate(90deg);
}

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

/* ===================================
   BUTTONS
   =================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    font-size: 16px;
    font-weight: 600;
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
    cursor: pointer;
    min-height: 48px;
    text-align: center;
}

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

.btn-primary {
    background: var(--primary-gradient);
    color: var(--white);
    box-shadow: var(--shadow-lg);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

.btn-gradient {
    background: var(--primary-gradient);
    color: var(--white);
    box-shadow: var(--shadow-xl);
    position: relative;
    overflow: hidden;
}

.btn-gradient::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s;
}

.btn-gradient:hover::before {
    left: 100%;
}

.btn-large {
    padding: 18px 40px;
    font-size: 18px;
}

@media (min-width: 768px) {
    .btn-large {
        padding: 20px 50px;
        font-size: 20px;
    }
}

.btn-block {
    width: 100%;
}

.btn-icon {
    font-size: 20px;
    transition: transform var(--transition-base);
}

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

.btn-cart-icon {
    max-width: 120px;
    height: auto;
}

/* ===================================
   HERO SECTION
   =================================== */
.hero {
    padding-top: 120px;
    background: linear-gradient(135deg, #F0F9FF 0%, #E0F2FE 100%);
    overflow: hidden;
}

@media (min-width: 768px) {
    .hero {
        padding-top: 140px;
    }
}

.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 {
    order: -1;
}

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

.hero__image-wrapper {
    position: relative;
    max-width: 400px;
    margin: 0 auto;
}

@media (min-width: 768px) {
    .hero__image-wrapper {
        max-width: 500px;
    }
}

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

.hero__glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 120%;
    height: 120%;
    background: radial-gradient(circle, rgba(79, 70, 229, 0.2) 0%, transparent 70%);
    animation: pulse-glow 3s ease-in-out infinite;
    z-index: 1;
}

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

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

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

.hero__title {
    font-size: 32px;
    font-weight: 900;
    line-height: 1.2;
    color: var(--gray-900);
    margin-bottom: 24px;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

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

.hero__description {
    font-size: 16px;
    line-height: 1.8;
    color: var(--gray-600);
    margin-bottom: 20px;
}

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

/* Animation Classes */
.slide-in-right {
    animation: slideInRight 0.8s ease-out;
}

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

.fade-in {
    animation: fadeIn 0.8s ease-out;
}

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

.pulse {
    animation: pulse 2s infinite;
}

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

/* ===================================
   WHY CHOOSE US SECTION
   =================================== */
.why-choose {
    background: var(--white);
}

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

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

@media (min-width: 1024px) {
    .badges__grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 30px;
    }
}

.badge__card {
    background: var(--white);
    padding: 32px 24px;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: all var(--transition-base);
    opacity: 0;
    transform: translateY(30px);
}

.badge__card.aos-animate {
    opacity: 1;
    transform: translateY(0);
}

.badge__card:hover {
    transform: translateY(-8px) rotate(2deg);
    box-shadow: var(--shadow-2xl);
}

.badge__icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
}

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

.badge__title {
    font-size: 18px;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 12px;
}

.badge__description {
    font-size: 14px;
    line-height: 1.6;
    color: var(--gray-600);
}

/* ===================================
   WHAT IS PRODUCT SECTION
   =================================== */
.what-is {
    background: var(--gray-50);
}

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

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

.what-is__text p {
    font-size: 16px;
    line-height: 1.8;
    color: var(--gray-600);
    margin-bottom: 20px;
}

@media (min-width: 768px) {
    .what-is__text p {
        font-size: 17px;
    }
}

.what-is__image {
    order: -1;
}

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

.what-is__image img {
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
}

/* ===================================
   HOW IT WORKS SECTION
   =================================== */
.how-it-works {
    background: var(--white);
}

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

.accordion__item {
    background: var(--white);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-lg);
    margin-bottom: 16px;
    overflow: hidden;
    transition: all var(--transition-base);
}

.accordion__item:hover {
    border-color: var(--primary-light);
    box-shadow: var(--shadow-md);
}

.accordion__header {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    background: var(--white);
    cursor: pointer;
    transition: var(--transition-base);
    min-height: 48px;
}

@media (min-width: 768px) {
    .accordion__header {
        padding: 24px 28px;
    }
}

.accordion__header:hover {
    background: var(--gray-50);
}

.accordion__title {
    font-size: 16px;
    font-weight: 600;
    color: var(--gray-900);
    text-align: left;
}

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

.accordion__icon {
    font-size: 28px;
    font-weight: 300;
    color: var(--primary-dark);
    transition: transform var(--transition-base);
    flex-shrink: 0;
    margin-left: 16px;
}

.accordion__item.active .accordion__icon {
    transform: rotate(45deg);
}

.accordion__content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease-in-out;
}

.accordion__item.active .accordion__content {
    max-height: 500px;
}

.accordion__content p {
    padding: 0 20px 24px;
    font-size: 15px;
    line-height: 1.8;
    color: var(--gray-600);
}

@media (min-width: 768px) {
    .accordion__content p {
        padding: 0 28px 28px;
        font-size: 16px;
    }
}

/* ===================================
   CUSTOMER REVIEWS SECTION
   =================================== */
.reviews {
    background: linear-gradient(135deg, #EFF6FF 0%, #DBEAFE 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: 1024px) {
    .reviews__grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.review__card {
    background: var(--white);
    padding: 28px;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-base);
    opacity: 0;
    transform: translateY(30px);
}

.review__card.aos-animate {
    opacity: 1;
    transform: translateY(0);
    animation: fadeInUp 0.6s ease-out forwards;
}

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

.review__card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-2xl);
}

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

.review__photo {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--primary-light);
}

@media (min-width: 768px) {
    .review__photo {
        width: 70px;
        height: 70px;
    }
}

.review__name {
    font-size: 18px;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 4px;
}

.review__location {
    font-size: 14px;
    color: var(--gray-500);
    margin-bottom: 8px;
}

.review__rating {
    color: #F59E0B;
    font-size: 16px;
    letter-spacing: 2px;
}

.review__text {
    font-size: 15px;
    line-height: 1.7;
    color: var(--gray-600);
}

/* ===================================
   PRICING SECTION
   =================================== */
.pricing {
    background: var(--white);
}

.pricing__subtitle {
    text-align: center;
    font-size: 18px;
    color: var(--gray-600);
    margin-bottom: 32px;
}

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

/* Countdown Timer */
.countdown {
    max-width: 500px;
    margin: 0 auto 50px;
    text-align: center;
}

.countdown__label {
    font-size: 14px;
    font-weight: 600;
    color: var(--danger);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 16px;
}

.countdown__timer {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: var(--danger);
    padding: 20px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
}

@media (min-width: 768px) {
    .countdown__timer {
        padding: 24px;
    }
}

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

.countdown__value {
    font-size: 40px;
    font-weight: 900;
    color: var(--white);
    line-height: 1;
    min-width: 70px;
}

@media (min-width: 768px) {
    .countdown__value {
        font-size: 52px;
        min-width: 90px;
    }
}

.countdown__item .countdown__label {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.9);
    margin-top: 8px;
    margin-bottom: 0;
}

.countdown__separator {
    font-size: 36px;
    font-weight: 700;
    color: var(--white);
}

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

/* Pricing Cards */
.pricing__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
    margin-bottom: 40px;
}

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

@media (min-width: 1024px) {
    .pricing__grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 30px;
    }
}

.pricing__card {
    position: relative;
    background: var(--white);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-xl);
    padding: 32px 24px;
    text-align: center;
    transition: all var(--transition-base);
}

@media (min-width: 1024px) {
    .pricing__card {
        padding: 40px 28px;
    }
}

.pricing__card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-2xl);
    border-color: var(--primary-light);
}

.pricing__card--popular {
    background: linear-gradient(135deg, #EFF6FF 0%, #DBEAFE 100%);
    border: 3px solid var(--primary-dark);
    transform: scale(1.05);
}

@media (min-width: 576px) {
    .pricing__card--popular {
        grid-column: span 2;
    }
}

@media (min-width: 1024px) {
    .pricing__card--popular {
        grid-column: auto;
        transform: scale(1.08);
    }
}

.pricing__badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--danger);
    color: var(--white);
    padding: 6px 20px;
    border-radius: var(--radius-full);
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: var(--shadow-lg);
}

.pricing__label {
    display: inline-block;
    background: var(--primary-gradient);
    color: var(--white);
    padding: 8px 24px;
    border-radius: var(--radius-full);
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    margin-bottom: 20px;
}

.pricing__bottles {
    font-size: 24px;
    font-weight: 800;
    color: var(--gray-900);
    margin-bottom: 4px;
}

.pricing__supply {
    font-size: 14px;
    color: var(--gray-500);
    margin-bottom: 24px;
}

.pricing__image {
    margin: 0 auto 24px;
    max-width: 200px;
}

@media (min-width: 768px) {
    .pricing__image {
        max-width: 220px;
    }
}

.pricing__price {
    margin-bottom: 12px;
}

.pricing__per-bottle {
    font-size: 40px;
    font-weight: 900;
    color: var(--primary-dark);
}

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

.pricing__label-small {
    display: block;
    font-size: 14px;
    color: var(--gray-500);
    margin-top: 4px;
}

.pricing__total {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-bottom: 20px;
}

.pricing__old-price {
    font-size: 24px;
    color: var(--gray-400);
    text-decoration: line-through;
}

.pricing__new-price {
    font-size: 32px;
    font-weight: 800;
    color: var(--secondary);
}

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

.bonus-badge {
    font-size: 13px;
    font-weight: 600;
    color: var(--secondary);
    background: rgba(16, 185, 129, 0.1);
    padding: 8px 12px;
    border-radius: var(--radius-md);
}

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

.pricing__payment img {
    margin: 0 auto;
}

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

.pricing__rating img {
    margin: 0 auto;
}

/* ===================================
   INGREDIENTS SECTION
   =================================== */
.ingredients {
    background: var(--gray-50);
}

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

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

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

.ingredient__card {
    background: var(--white);
    padding: 28px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.ingredient__card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.ingredient__name {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 12px;
}

.ingredient__description {
    font-size: 15px;
    line-height: 1.7;
    color: var(--gray-600);
    margin-bottom: 16px;
}

.ingredient__benefits {
    font-size: 14px;
    line-height: 1.7;
    color: var(--gray-700);
    padding: 16px;
    background: var(--gray-50);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--primary-light);
}

.ingredient__benefits strong {
    color: var(--primary-dark);
}

/* ===================================
   SCIENTIFIC EVIDENCE SECTION
   =================================== */
.scientific {
    background: var(--white);
}

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

.evidence__section {
    margin-bottom: 40px;
    padding: 28px;
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--primary-dark);
}

.evidence__title {
    font-size: 20px;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 16px;
}

@media (min-width: 768px) {
    .evidence__title {
        font-size: 22px;
    }
}

.evidence__text {
    font-size: 15px;
    line-height: 1.8;
    color: var(--gray-600);
}

@media (min-width: 768px) {
    .evidence__text {
        font-size: 16px;
    }
}

/* ===================================
   MONEY BACK GUARANTEE SECTION
   =================================== */
.guarantee {
    background: linear-gradient(135deg, #ECFDF5 0%, #D1FAE5 100%);
}

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

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

.guarantee__image {
    text-align: center;
}

.guarantee__image img {
    max-width: 280px;
    margin: 0 auto;
    filter: drop-shadow(0 10px 30px rgba(16, 185, 129, 0.3));
}

@media (min-width: 768px) {
    .guarantee__image img {
        max-width: 320px;
    }
}

.guarantee__point {
    margin-bottom: 28px;
}

.guarantee__subtitle {
    font-size: 20px;
    font-weight: 700;
    color: var(--secondary);
    margin-bottom: 12px;
}

@media (min-width: 768px) {
    .guarantee__subtitle {
        font-size: 22px;
    }
}

.guarantee__point p {
    font-size: 15px;
    line-height: 1.8;
    color: var(--gray-600);
}

@media (min-width: 768px) {
    .guarantee__point p {
        font-size: 16px;
    }
}

/* ===================================
   BENEFITS SECTION
   =================================== */
.benefits {
    background: var(--white);
}

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

@media (min-width: 768px) {
    .benefits__list {
        gap: 24px;
    }
}

.benefit__item {
    display: flex;
    gap: 20px;
    padding: 24px;
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--secondary);
    transition: all var(--transition-base);
}

@media (min-width: 768px) {
    .benefit__item {
        padding: 28px;
    }
}

.benefit__item:hover {
    transform: translateX(8px);
    box-shadow: var(--shadow-lg);
    background: var(--white);
}

.benefit__icon {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--secondary);
    color: var(--white);
    border-radius: 50%;
    font-size: 18px;
    font-weight: 700;
}

.benefit__title {
    font-size: 18px;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 8px;
}

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

.benefit__description {
    font-size: 15px;
    line-height: 1.7;
    color: var(--gray-600);
}

/* ===================================
   FAQ SECTION
   =================================== */
.faq {
    background: var(--gray-50);
}

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

.faq__item {
    background: var(--white);
    border-radius: var(--radius-lg);
    margin-bottom: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.faq__item:hover {
    box-shadow: var(--shadow-lg);
}

.faq__question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    background: var(--white);
    text-align: left;
    cursor: pointer;
    transition: var(--transition-base);
    font-size: 16px;
    font-weight: 600;
    color: var(--gray-900);
    min-height: 48px;
}

@media (min-width: 768px) {
    .faq__question {
        padding: 24px 28px;
        font-size: 18px;
    }
}

.faq__question:hover {
    background: var(--gray-50);
}

.faq__icon {
    font-size: 28px;
    font-weight: 300;
    color: var(--primary-dark);
    transition: transform var(--transition-base);
    flex-shrink: 0;
    margin-left: 16px;
}

.faq__item.active .faq__icon {
    transform: rotate(45deg);
}

.faq__answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease-in-out;
}

.faq__item.active .faq__answer {
    max-height: 600px;
}

.faq__answer p {
    padding: 0 20px 24px;
    font-size: 15px;
    line-height: 1.8;
    color: var(--gray-600);
}

@media (min-width: 768px) {
    .faq__answer p {
        padding: 0 28px 28px;
        font-size: 16px;
    }
}

/* ===================================
   FINAL CTA SECTION
   =================================== */
.final-cta {
    background: linear-gradient(135deg, #312E81 0%, #1E40AF 100%);
    color: var(--white);
    overflow: hidden;
}

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

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

.final-cta__image {
    position: relative;
    max-width: 350px;
    margin: 0 auto;
}

@media (min-width: 768px) {
    .final-cta__image {
        max-width: 400px;
    }
}

.final-cta__image img {
    position: relative;
    z-index: 2;
    filter: drop-shadow(0 20px 40px rgba(255, 255, 255, 0.2));
}

.final-cta__glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 120%;
    height: 120%;
    background: radial-gradient(circle, rgba(6, 182, 212, 0.3) 0%, transparent 70%);
    animation: pulse-glow 3s ease-in-out infinite;
    z-index: 1;
}

.zoom-in {
    animation: zoomIn 0.8s ease-out;
}

@keyframes zoomIn {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.final-cta__title {
    font-size: 28px;
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 28px;
}

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

.final-cta__pricing {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 28px;
}

.final-cta__regular-price {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.7);
}

.final-cta__regular-price del {
    color: var(--danger);
}

.final-cta__special-price {
    font-size: 40px;
    font-weight: 900;
    color: var(--accent);
}

@media (min-width: 768px) {
    .final-cta__special-price {
        font-size: 48px;
    }
}

.final-cta__guarantee {
    font-size: 15px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.9);
    margin-top: 24px;
}

/* ===================================
   FOOTER
   =================================== */
.footer {
    background: var(--gray-900);
    color: var(--white);
    padding: 48px 0 24px;
}

.footer__content {
    text-align: center;
}

.footer__links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 12px;
    margin-bottom: 32px;
}

.footer__link {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.8);
    transition: var(--transition-base);
}

.footer__link:hover {
    color: var(--primary-light);
}

.footer__separator {
    color: rgba(255, 255, 255, 0.4);
}

.footer__disclaimer {
    max-width: 900px;
    margin: 0 auto 32px;
    padding: 24px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
}

.footer__disclaimer p {
    font-size: 13px;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.7);
}

@media (min-width: 768px) {
    .footer__disclaimer p {
        font-size: 14px;
    }
}

.footer__social {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 24px;
}

.social__link {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: var(--white);
    transition: all var(--transition-base);
}

.social__link:hover {
    background: var(--primary-light);
    transform: translateY(-3px);
}

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

/* ===================================
   SCROLL TO TOP BUTTON
   =================================== */
.scroll-top {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 56px;
    height: 56px;
    background: var(--primary-gradient);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-xl);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    z-index: var(--z-fixed);
    cursor: pointer;
}

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

.scroll-top:hover {
    transform: translateY(-5px);
}

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

/* ===================================
   PURCHASE NOTIFICATION POPUP
   =================================== */
.purchase-popup {
    position: fixed;
    bottom: -100px;
    left: 20px;
    background: var(--white);
    padding: 16px 20px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-2xl);
    border-left: 4px solid var(--secondary);
    max-width: 320px;
    z-index: var(--z-popover);
    transition: bottom 0.5s ease-in-out;
}

@media (min-width: 768px) {
    .purchase-popup {
        left: 24px;
    }
}

.purchase-popup.show {
    bottom: 24px;
}

.purchase-popup__content {
    display: flex;
    align-items: center;
    gap: 12px;
}

.purchase-popup__icon {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--secondary);
    color: var(--white);
    border-radius: 50%;
    font-size: 18px;
    font-weight: 700;
}

.purchase-popup__text {
    font-size: 13px;
    line-height: 1.5;
    color: var(--gray-700);
}

.purchase-popup__name,
.purchase-popup__location {
    font-weight: 600;
    color: var(--gray-900);
}

/* ===================================
   EXIT INTENT POPUP
   =================================== */
.exit-popup {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: var(--z-modal);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

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

.exit-popup__overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
}

.exit-popup__content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: 32px;
    max-width: 500px;
    width: 90%;
    box-shadow: var(--shadow-2xl);
    animation: popupSlideIn 0.4s ease-out;
}

@media (min-width: 768px) {
    .exit-popup__content {
        padding: 48px;
        width: 95%;
    }
}

@keyframes popupSlideIn {
    from {
        opacity: 0;
        transform: translate(-50%, -60%);
    }
    to {
        opacity: 1;
        transform: translate(-50%, -50%);
    }
}

.exit-popup__close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: var(--gray-400);
    cursor: pointer;
    transition: var(--transition-base);
    border-radius: 50%;
}

.exit-popup__close:hover {
    background: var(--gray-100);
    color: var(--danger);
}

.exit-popup__title {
    font-size: 26px;
    font-weight: 900;
    color: var(--gray-900);
    text-align: center;
    margin-bottom: 16px;
}

@media (min-width: 768px) {
    .exit-popup__title {
        font-size: 32px;
    }
}

.exit-popup__text {
    font-size: 16px;
    line-height: 1.7;
    color: var(--gray-600);
    text-align: center;
    margin-bottom: 24px;
}

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

.exit-popup__price {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-bottom: 24px;
}

.exit-popup__old-price {
    font-size: 28px;
    color: var(--gray-400);
    text-decoration: line-through;
}

.exit-popup__new-price {
    font-size: 40px;
    font-weight: 900;
    color: var(--secondary);
}

@media (min-width: 768px) {
    .exit-popup__new-price {
        font-size: 48px;
    }
}

.exit-popup__guarantee {
    font-size: 14px;
    line-height: 1.8;
    color: var(--gray-600);
    text-align: center;
    margin-top: 20px;
}

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

/* Loading State */
.loading {
    opacity: 0.5;
    pointer-events: none;
}

/* No Scroll */
body.no-scroll {
    overflow: hidden;
}

/* Text Selection */
::selection {
    background: var(--primary-light);
    color: var(--white);
}

/* Focus Styles */
:focus-visible {
    outline: 2px solid var(--primary-dark);
    outline-offset: 2px;
}

/* Hide Scrollbar (Webkit) */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--gray-100);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-light);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark);
}