/* ============================================
   PINEAL XT - MODERN GRADIENT DESIGN
   Mobile-First Responsive Stylesheet
   ============================================ */

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

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

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: #fff;
    overflow-x: hidden;
}

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

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

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

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

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

ul {
    list-style: none;
}

/* ============================================
   CSS VARIABLES
   ============================================ */
:root {
    /* Colors - Modern Gradient */
    --primary-color: #4F46E5;
    --secondary-color: #06B6D4;
    --gradient-primary: linear-gradient(135deg, #4F46E5 0%, #06B6D4 100%);
    --gradient-secondary: linear-gradient(135deg, #7C3AED 0%, #EC4899 100%);
    --text-dark: #1F2937;
    --text-light: #6B7280;
    --white: #FFFFFF;
    --black: #000000;
    --success: #10B981;
    --warning: #F59E0B;
    --danger: #EF4444;
    --light-bg: #F9FAFB;
    --border-color: #E5E7EB;
    
    /* Spacing */
    --container-width: 1200px;
    --section-padding: 80px 20px;
    --section-padding-mobile: 60px 20px;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 30px;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.16);
    --shadow-xl: 0 12px 48px rgba(0, 0, 0, 0.2);
    
    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s ease;
    --transition-slow: all 0.5s ease;
    
    /* Z-index */
    --z-header: 1000;
    --z-popup: 2000;
    --z-notification: 3000;
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.container {
    max-width: var(--container-width);
    width: 100%;
    margin: 0 auto;
    padding: 0 20px;
}

.section {
    padding: var(--section-padding-mobile);
}

.section__title {
    font-size: 32px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 16px;
    color: var(--text-dark);
    line-height: 1.2;
}

.section__subtitle {
    font-size: 18px;
    text-align: center;
    color: var(--text-light);
    margin-bottom: 40px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ============================================
   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-lg);
    transition: var(--transition);
    cursor: pointer;
    text-align: center;
    min-height: 48px;
    white-space: nowrap;
}

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

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

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

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

.btn-gradient:hover {
    transform: translateY(-2px) scale(1.02);
    box-shadow: var(--shadow-xl);
}

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

.btn-large {
    padding: 18px 40px;
    font-size: 18px;
    min-height: 56px;
}

.btn-block {
    width: 100%;
    display: flex;
}

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

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

.btn-atc-img {
    max-width: 180px;
    height: auto;
}

/* Touch feedback for mobile */
@media (hover: none) {
    .btn:active {
        transform: scale(0.98);
    }
}

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

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

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

@keyframes bounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

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

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

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

.animate-bounce-slow {
    animation: bounce 2s ease-in-out infinite;
}

.pulse-animation {
    animation: pulse 2s ease-in-out infinite;
}

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

/* ============================================
   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-sm);
    z-index: var(--z-header);
    transition: var(--transition);
}

.header.scroll-header {
    box-shadow: var(--shadow-md);
    padding: 8px 0;
}

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

.nav__logo a {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-dark);
}

.nav__logo span {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.nav__list {
    display: flex;
    gap: 32px;
}

.nav__link {
    font-size: 16px;
    font-weight: 500;
    color: var(--text-dark);
    transition: var(--transition);
    position: relative;
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition);
}

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

.nav__link:hover::after {
    width: 100%;
}

.nav__buttons {
    display: flex;
    align-items: center;
    gap: 16px;
}

.nav__cta {
    padding: 12px 24px;
}

.nav__toggle,
.nav__close {
    display: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--text-dark);
}

/* Mobile Navigation */
@media screen and (max-width: 767px) {
    .nav__menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: var(--white);
        box-shadow: var(--shadow-xl);
        padding: 80px 32px 32px;
        transition: var(--transition);
        overflow-y: auto;
    }

    .nav__menu.show-menu {
        right: 0;
    }

    .nav__list {
        flex-direction: column;
        gap: 24px;
    }

    .nav__link {
        font-size: 18px;
    }

    .nav__close {
        display: block;
        position: absolute;
        top: 24px;
        right: 24px;
        font-size: 28px;
    }

    .nav__toggle {
        display: flex;
        flex-direction: column;
        gap: 5px;
        width: 28px;
        height: 24px;
    }

    .nav__toggle span {
        display: block;
        width: 100%;
        height: 3px;
        background: var(--text-dark);
        border-radius: 2px;
        transition: var(--transition);
    }

    .nav__cta {
        display: none;
    }
}

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

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(79, 70, 229, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 6s ease-in-out infinite;
}

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

.hero__image {
    order: 1;
}

.hero__image-wrapper {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero__img {
    max-width: 400px;
    width: 100%;
    position: relative;
    z-index: 2;
    filter: drop-shadow(0 20px 40px rgba(79, 70, 229, 0.3));
}

.hero__image-bg {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 120%;
    height: 120%;
    background: radial-gradient(circle, rgba(6, 182, 212, 0.2) 0%, transparent 70%);
    border-radius: 50%;
    animation: pulse 3s ease-in-out infinite;
}

.hero__content {
    order: 2;
    animation: fadeInUp 1s ease;
}

.hero__title {
    font-size: 36px;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 24px;
    color: var(--text-dark);
}

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

.hero__cta {
    margin-top: 32px;
    margin-bottom: 32px;
}

.hero__trust {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}

.trust-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--text-dark);
}

.trust-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    background: var(--gradient-primary);
    color: var(--white);
    border-radius: 50%;
    font-size: 12px;
    font-weight: 700;
}

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

.badges__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
    margin-top: 48px;
}

.badge-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 32px 24px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    text-align: center;
    border: 2px solid transparent;
}

.badge-card:hover {
    transform: translateY(-8px) rotate(2deg) scale(1.05);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.badge-card__image {
    width: 100px;
    height: 100px;
    margin: 0 auto 20px;
}

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

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

.badge-card__text {
    font-size: 15px;
    line-height: 1.7;
    color: var(--text-light);
}

/* Fade-up animation with Intersection Observer */
.badge-card[data-aos="fade-up"] {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.badge-card[data-aos="fade-up"].aos-animate {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================
   ABOUT SECTION
   ============================================ */
.about {
    background: var(--light-bg);
}

.about__container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    align-items: center;
    margin-top: 48px;
}

.about__content {
    order: 2;
}

.about__text {
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-light);
    margin-bottom: 20px;
}

.about__image {
    order: 1;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.about__image img {
    width: 100%;
    height: auto;
    transition: var(--transition);
}

.about__image:hover img {
    transform: scale(1.05);
}

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

.accordion {
    max-width: 900px;
    margin: 48px auto 0;
}

.accordion__item {
    background: var(--white);
    border-radius: var(--radius-md);
    margin-bottom: 16px;
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: var(--transition);
}

.accordion__item:hover {
    box-shadow: var(--shadow-md);
}

.accordion__header {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    background: var(--white);
    cursor: pointer;
    transition: var(--transition);
    min-height: 44px;
}

.accordion__header:hover {
    background: var(--light-bg);
}

.accordion__title {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 18px;
    font-weight: 600;
    color: var(--text-dark);
    text-align: left;
}

.accordion__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: var(--gradient-primary);
    color: var(--white);
    border-radius: 50%;
    font-size: 16px;
    font-weight: 700;
    flex-shrink: 0;
}

.accordion__arrow {
    font-size: 16px;
    color: var(--primary-color);
    transition: var(--transition);
    flex-shrink: 0;
}

.accordion__item.active .accordion__arrow {
    transform: rotate(180deg);
}

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

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

.accordion__item.active .accordion__content {
    max-height: 1000px;
}

/* ============================================
   REVIEWS SECTION
   ============================================ */
.reviews {
    background: linear-gradient(135deg, #EFF6FF 0%, #DBEAFE 100%);
}

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

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

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

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

.review-card__image {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
    border: 3px solid var(--primary-color);
}

.review-card__info {
    flex: 1;
}

.review-card__name {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 4px;
}

.review-card__location {
    font-size: 14px;
    color: var(--text-light);
    margin-bottom: 8px;
}

.review-card__rating {
    display: flex;
    gap: 4px;
}

.review-card__rating .star {
    color: #F59E0B;
    font-size: 16px;
}

.review-card__text {
    font-size: 15px;
    line-height: 1.8;
    color: var(--text-light);
}

/* Zoom-in animation */
.review-card[data-aos="zoom-in"] {
    opacity: 0;
    transform: scale(0.9);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

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

.countdown {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin: 32px auto 48px;
    padding: 20px;
    background: linear-gradient(135deg, #FEE2E2 0%, #FECACA 100%);
    border-radius: var(--radius-lg);
    max-width: 300px;
    box-shadow: var(--shadow-md);
}

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

.countdown__value {
    font-size: 40px;
    font-weight: 800;
    color: var(--danger);
    line-height: 1;
}

.countdown__label {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-dark);
    margin-top: 4px;
    text-transform: uppercase;
}

.countdown__separator {
    font-size: 32px;
    font-weight: 700;
    color: var(--danger);
}

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

.pricing-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 32px 24px;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    text-align: center;
    border: 3px solid transparent;
    position: relative;
}

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

.pricing-card--popular {
    border-color: var(--primary-color);
    background: linear-gradient(135deg, #F0F9FF 0%, #E0F2FE 100%);
    transform: scale(1);
}

.pricing-card--popular:hover {
    transform: translateY(-8px) scale(1.02);
}

.pricing-card__badge {
    position: absolute;
    top: -16px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-primary);
    color: var(--white);
    padding: 8px 24px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 700;
    box-shadow: var(--shadow-md);
    text-transform: uppercase;
}

.pricing-card__label {
    font-size: 16px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 12px;
    text-transform: uppercase;
}

.pricing-card__bottles {
    font-size: 24px;
    font-weight: 800;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.pricing-card__supply {
    font-size: 14px;
    color: var(--text-light);
    margin-bottom: 24px;
}

.pricing-card__image {
    margin: 24px auto;
    max-width: 200px;
}

.pricing-card__image img {
    width: 100%;
    height: auto;
}

.pricing-card__price {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-bottom: 8px;
}

.pricing-card__old-price {
    font-size: 24px;
    color: var(--text-light);
    text-decoration: line-through;
}

.pricing-card__new-price {
    font-size: 48px;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.pricing-card__per-bottle {
    font-size: 14px;
    color: var(--text-light);
    margin-bottom: 20px;
}

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

.bonus-badge,
.shipping-badge {
    display: inline-block;
    padding: 8px 16px;
    background: var(--gradient-secondary);
    color: var(--white);
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
}

.shipping-badge {
    background: var(--success);
}

.pricing-card__total {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-bottom: 24px;
    padding: 16px;
    background: var(--light-bg);
    border-radius: var(--radius-md);
}

.total-label {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-dark);
}

.total-old {
    font-size: 18px;
    color: var(--text-light);
    text-decoration: line-through;
}

.total-new {
    font-size: 28px;
    font-weight: 800;
    color: var(--danger);
}

.pricing-card__payment {
    margin-top: 20px;
}

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

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

.rating-banner img {
    max-width: 400px;
    margin: 0 auto;
}

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

.ingredients__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
    margin-top: 48px;
}

.ingredient-card {
    background: var(--white);
    border-radius: var(--radius-md);
    padding: 28px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border-left: 4px solid var(--primary-color);
}

.ingredient-card:hover {
    transform: translateX(8px);
    box-shadow: var(--shadow-md);
}

.ingredient-card__name {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 12px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.ingredient-card__description {
    font-size: 15px;
    line-height: 1.7;
    color: var(--text-light);
    margin-bottom: 12px;
}

.ingredient-card__benefits {
    font-size: 14px;
    line-height: 1.7;
    color: var(--text-light);
}

.ingredient-card__benefits strong {
    color: var(--text-dark);
}

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

.scientific__content {
    max-width: 900px;
    margin: 48px auto 0;
}

.scientific__intro {
    margin-bottom: 40px;
}

.scientific__intro p {
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-light);
    text-align: center;
}

.scientific__section {
    margin-bottom: 32px;
}

.scientific__heading {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 12px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.scientific__text {
    font-size: 15px;
    line-height: 1.8;
    color: var(--text-light);
}

/* ============================================
   GUARANTEE SECTION
   ============================================ */
.guarantee {
    background: linear-gradient(135deg, #FEF3C7 0%, #FDE68A 100%);
}

.guarantee__container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    align-items: center;
    margin-top: 48px;
}

.guarantee__image {
    order: 1;
    text-align: center;
}

.guarantee__image img {
    max-width: 300px;
    margin: 0 auto;
    animation: pulse 2s ease-in-out infinite;
}

.guarantee__content {
    order: 2;
}

.guarantee__item {
    margin-bottom: 28px;
}

.guarantee__title {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 20px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 12px;
}

.guarantee__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: var(--success);
    color: var(--white);
    border-radius: 50%;
    font-size: 16px;
    flex-shrink: 0;
}

.guarantee__text {
    font-size: 15px;
    line-height: 1.8;
    color: var(--text-light);
}

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

.benefits__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
    margin-top: 48px;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.benefit-item {
    display: flex;
    gap: 16px;
    padding: 20px;
    background: var(--light-bg);
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.benefit-item:hover {
    background: var(--white);
    box-shadow: var(--shadow-md);
    transform: translateX(8px);
}

.benefit-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: var(--gradient-primary);
    color: var(--white);
    border-radius: 50%;
    font-size: 16px;
    font-weight: 700;
    flex-shrink: 0;
}

.benefit-content {
    flex: 1;
}

.benefit-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 4px;
}

.benefit-text {
    font-size: 14px;
    line-height: 1.6;
    color: var(--text-light);
}

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

/* Reuse accordion styles from How It Works section */

/* ============================================
   FINAL CTA SECTION
   ============================================ */
.final-cta {
    background: linear-gradient(135deg, #4F46E5 0%, #06B6D4 100%);
    color: var(--white);
}

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

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

.final-cta__image img {
    max-width: 400px;
    margin: 0 auto;
}

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

.final-cta__title {
    font-size: 32px;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 24px;
    color: var(--white);
}

.final-cta__pricing {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    margin-bottom: 32px;
}

.final-cta__old-price {
    font-size: 18px;
    text-decoration: line-through;
    opacity: 0.8;
}

.final-cta__new-price {
    font-size: 48px;
    font-weight: 800;
    color: #FDE68A;
}

.final-cta__guarantee {
    font-size: 14px;
    line-height: 1.8;
    margin-top: 24px;
    opacity: 0.9;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--text-dark);
    color: var(--white);
    padding: 48px 20px 24px;
}

.footer__content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.footer__links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 8px 16px;
    margin-bottom: 24px;
}

.footer__link {
    font-size: 14px;
    color: var(--white);
    transition: var(--transition);
}

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

.footer__separator {
    color: rgba(255, 255, 255, 0.5);
}

.footer__disclaimer {
    margin-bottom: 32px;
    padding: 24px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-md);
}

.footer__disclaimer p {
    font-size: 13px;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.8);
}

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

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

.footer__social-link:hover {
    background: var(--gradient-primary);
    transform: translateY(-4px);
}

.footer__copyright {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
}

/* ============================================
   SCROLL TO TOP BUTTON
   ============================================ */
.scroll-top {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 56px;
    height: 56px;
    background: var(--gradient-primary);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
}

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

.scroll-top:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

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

/* ============================================
   NOTIFICATION POPUP
   ============================================ */
.notification-popup {
    position: fixed;
    bottom: 24px;
    left: 24px;
    background: var(--white);
    border-radius: var(--radius-md);
    padding: 16px 20px;
    box-shadow: var(--shadow-xl);
    display: flex;
    align-items: center;
    gap: 16px;
    max-width: 350px;
    z-index: var(--z-notification);
    opacity: 0;
    visibility: hidden;
    transform: translateX(-100%);
    transition: var(--transition);
}

.notification-popup.show {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
}

.notification-popup__icon {
    font-size: 32px;
    flex-shrink: 0;
}

.notification-popup__text {
    flex: 1;
    font-size: 14px;
    line-height: 1.5;
}

.notification-popup__name {
    display: block;
    font-weight: 700;
    color: var(--text-dark);
}

.notification-popup__message {
    color: var(--text-light);
}

.notification-popup__time {
    display: block;
    font-size: 12px;
    color: var(--text-light);
    margin-top: 4px;
}

.notification-popup__close {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
    font-size: 18px;
    cursor: pointer;
    transition: var(--transition);
}

.notification-popup__close:hover {
    color: var(--text-dark);
}

/* ============================================
   CTA POPUP
   ============================================ */
.cta-popup {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: var(--z-popup);
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

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

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

.cta-popup__content {
    position: relative;
    background: var(--white);
    border-radius: var(--radius-lg);
    max-width: 500px;
    width: 100%;
    box-shadow: var(--shadow-xl);
    animation: zoomIn 0.4s ease;
}

.cta-popup__close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.1);
    border-radius: 50%;
    font-size: 20px;
    color: var(--text-dark);
    cursor: pointer;
    transition: var(--transition);
    z-index: 1;
}

.cta-popup__close:hover {
    background: rgba(0, 0, 0, 0.2);
    transform: rotate(90deg);
}

.cta-popup__body {
    padding: 40px 32px;
    text-align: center;
}

.cta-popup__title {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 16px;
}

.cta-popup__text {
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-light);
    margin-bottom: 24px;
}

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

.cta-popup__old-price {
    font-size: 24px;
    color: var(--text-light);
    text-decoration: line-through;
}

.cta-popup__new-price {
    font-size: 40px;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.cta-popup__guarantee {
    font-size: 13px;
    line-height: 1.6;
    color: var(--text-light);
    margin-top: 16px;
}

/* ============================================
   RESPONSIVE DESIGN - TABLET
   ============================================ */
@media screen and (min-width: 576px) {
    .badges__grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .reviews__grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .pricing__grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .benefits__grid {
        grid-template-columns: 1fr;
    }
}

@media screen and (min-width: 768px) {
    .section {
        padding: var(--section-padding);
    }

    .section__title {
        font-size: 40px;
    }

    .hero {
        padding-top: 140px;
    }

    .hero__container {
        grid-template-columns: 1fr 1fr;
        gap: 60px;
    }

    .hero__image {
        order: 1;
    }

    .hero__content {
        order: 2;
    }

    .hero__title {
        font-size: 48px;
    }

    .about__container {
        grid-template-columns: 1fr 1fr;
        gap: 60px;
    }

    .about__content {
        order: 1;
    }

    .about__image {
        order: 2;
    }

    .guarantee__container {
        grid-template-columns: 1fr 1fr;
        gap: 60px;
    }

    .guarantee__image {
        order: 1;
    }

    .guarantee__content {
        order: 2;
    }

    .final-cta__container {
        grid-template-columns: 1fr 1fr;
        gap: 60px;
    }

    .final-cta__image {
        order: 1;
    }

    .final-cta__content {
        order: 2;
        text-align: left;
    }

    .final-cta__pricing {
        align-items: flex-start;
    }

    .notification-popup {
        max-width: 400px;
    }
}

/* ============================================
   RESPONSIVE DESIGN - DESKTOP
   ============================================ */
@media screen and (min-width: 992px) {
    .badges__grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 32px;
    }

    .reviews__grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .pricing__grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .ingredients__grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 32px;
    }
}

@media screen and (min-width: 1024px) {
    .container {
        padding: 0 40px;
    }

    .hero__title {
        font-size: 56px;
    }

    .hero__description {
        font-size: 18px;
    }
}

@media screen and (min-width: 1200px) {
    .nav__list {
        gap: 40px;
    }
}

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