/* ============================================
   INSULEVEL LANDING PAGE - CSS STYLES
   Color scheme: Yellow, Green, Blue (packaging)
   ============================================ */

/* CSS Variables */
:root {
    /* Primary Colors */
    --color-primary: #2E7D32;        /* Green - main CTA, accents */
    --color-primary-dark: #1B5E20;
    --color-primary-light: #4CAF50;
    
    --color-secondary: #1565C0;       /* Blue - links, secondary elements */
    --color-secondary-dark: #0D47A1;
    --color-secondary-light: #42A5F5;
    
    --color-accent: #FDD835;          /* Yellow - highlights, badges */
    --color-accent-dark: #F9A825;
    --color-accent-light: #FFEE58;
    
    /* Neutral Colors */
    --color-white: #FFFFFF;
    --color-gray-100: #F8F9FA;
    --color-gray-200: #E9ECEF;
    --color-gray-300: #DEE2E6;
    --color-gray-400: #CED4DA;
    --color-gray-500: #ADB5BD;
    --color-gray-600: #6C757D;
    --color-gray-700: #495057;
    --color-gray-800: #343A40;
    --color-gray-900: #212529;
    
    /* Semantic Colors */
    --color-success: #28A745;
    --color-warning: #FFC107;
    --color-danger: #DC3545;
    --color-info: #17A2B8;
    
    /* Typography */
    --font-primary: 'Montserrat', sans-serif;
    --font-secondary: 'Open Sans', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 20px;
    --radius-full: 50%;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 25px rgba(0,0,0,0.15);
    --shadow-xl: 0 20px 40px rgba(0,0,0,0.2);
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Container */
    --container-max: 1200px;
    --container-padding: 1rem;
}

/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-secondary);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-gray-800);
    background-color: var(--color-white);
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-primary);
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-gray-900);
}

a {
    color: var(--color-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-secondary-dark);
}

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

ul, ol {
    list-style-position: inside;
}

/* Container */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 1.75rem;
    font-family: var(--font-primary);
    font-size: 1rem;
    font-weight: 600;
    text-align: center;
    text-decoration: none;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-normal);
}

.btn--primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
    box-shadow: 0 4px 15px rgba(46, 125, 50, 0.3);
}

.btn--primary:hover {
    background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-primary) 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(46, 125, 50, 0.4);
    color: var(--color-white);
}

.btn--secondary {
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
    color: var(--color-gray-900);
    box-shadow: 0 4px 15px rgba(253, 216, 53, 0.3);
}

.btn--secondary:hover {
    background: linear-gradient(135deg, var(--color-accent-light) 0%, var(--color-accent) 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(253, 216, 53, 0.4);
    color: var(--color-gray-900);
}

.btn--large {
    padding: 1.125rem 2.5rem;
    font-size: 1.125rem;
}

/* ============================================
   HEADER
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--color-white);
    box-shadow: var(--shadow-sm);
    transition: box-shadow var(--transition-normal);
}

.header.scrolled {
    box-shadow: var(--shadow-md);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-family: var(--font-primary);
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--color-primary);
}

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

.logo__icon {
    font-size: 1.75rem;
}

.nav__list {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    list-style: none;
}

.nav__link {
    font-family: var(--font-primary);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-gray-700);
    padding: var(--spacing-sm) 0;
    position: relative;
}

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

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

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

.nav__link--cta {
    background: var(--color-primary);
    color: var(--color-white) !important;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-md);
}

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

.nav__link--cta::after {
    display: none;
}

/* Burger Menu */
.burger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-sm);
}

.burger span {
    display: block;
    width: 25px;
    height: 3px;
    background: var(--color-gray-800);
    border-radius: 2px;
    transition: all var(--transition-normal);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    padding: 120px 0 60px;
    background: linear-gradient(135deg, var(--color-gray-100) 0%, var(--color-white) 100%);
}

.hero__inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.hero__title {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-lg);
    color: var(--color-gray-900);
}

.hero__title span {
    color: var(--color-primary);
}

.hero__subtitle {
    font-size: 1.125rem;
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-xl);
}

.hero__rating {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.stars {
    color: var(--color-accent);
    font-size: 1.25rem;
    letter-spacing: 2px;
}

.rating-text {
    font-size: 0.9rem;
    color: var(--color-gray-600);
}

.hero__price {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.price-old {
    font-size: 1.25rem;
    color: var(--color-gray-500);
    text-decoration: line-through;
}

.price-new {
    font-size: 2.5rem;
    font-family: var(--font-primary);
    font-weight: 800;
    color: var(--color-primary);
}

.price-discount {
    background: var(--color-danger);
    color: var(--color-white);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 600;
}

.hero__benefits {
    display: flex;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.benefit-item {
    font-size: 0.9rem;
    color: var(--color-gray-700);
}

/* Placeholder Images */
.placeholder-image {
    background: linear-gradient(135deg, var(--color-gray-200) 0%, var(--color-gray-300) 100%);
    border: 2px dashed var(--color-gray-400);
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--color-gray-600);
    padding: var(--spacing-xl);
}

.placeholder-image span {
    font-family: var(--font-primary);
    font-weight: 700;
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
}

.placeholder-image small {
    font-size: 0.8rem;
    color: var(--color-gray-500);
}

.placeholder-image--hero {
    width: 100%;
    height: 400px;
}

.placeholder-image--wide {
    width: 100%;
    height: 300px;
    margin-top: var(--spacing-2xl);
}

/* Real Images */
.hero__img {
    width: 100%;
    max-width: 450px;
    height: auto;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.section-image {
    text-align: center;
    margin: var(--spacing-2xl) 0;
}

.section-img {
    max-width: 100%;
    width: 600px;
    height: auto;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    margin: 0 auto;
}

.infographic-wrapper {
    margin-top: var(--spacing-2xl);
    text-align: center;
}

.infographic-img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

/* ============================================
   PRODUCT INFO TABLE
   ============================================ */
.product-info {
    padding: var(--spacing-xl) 0;
    background: var(--color-white);
    border-bottom: 1px solid var(--color-gray-200);
}

.info-table {
    background: var(--color-gray-100);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
}

.info-table__row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
}

.info-table__cell {
    text-align: center;
}

.info-label {
    display: block;
    font-size: 0.8rem;
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-xs);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.info-value {
    font-family: var(--font-primary);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-gray-800);
}

.info-value--price {
    color: var(--color-primary);
}

/* ============================================
   TABLE OF CONTENTS
   ============================================ */
.toc {
    padding: var(--spacing-2xl) 0;
}

.toc__box {
    background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-secondary-dark) 100%);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    color: var(--color-white);
}

.toc__title {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-lg);
    color: var(--color-white);
}

.toc__list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-sm) var(--spacing-xl);
    list-style: none;
    counter-reset: toc;
}

.toc__list li {
    counter-increment: toc;
}

.toc__list li::before {
    content: counter(toc) ". ";
    font-weight: 600;
}

.toc__list a {
    color: var(--color-white);
    opacity: 0.9;
}

.toc__list a:hover {
    opacity: 1;
    text-decoration: underline;
}

/* ============================================
   SECTIONS
   ============================================ */
.section {
    padding: var(--spacing-3xl) 0;
}

.section--light {
    background: var(--color-gray-100);
}

.section--dark {
    background: linear-gradient(135deg, var(--color-gray-800) 0%, var(--color-gray-900) 100%);
    color: var(--color-white);
}

.section__title {
    font-size: 2rem;
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    position: relative;
}

.section__title::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: var(--color-primary);
    margin: var(--spacing-md) auto 0;
    border-radius: 2px;
}

.section__title--light {
    color: var(--color-white);
}

.section__intro {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--spacing-2xl);
    font-size: 1.125rem;
    color: var(--color-gray-600);
}

.subsection__title {
    font-size: 1.5rem;
    margin: var(--spacing-2xl) 0 var(--spacing-lg);
}

/* Content Block */
.content-block {
    max-width: 800px;
    margin: 0 auto;
}

.content-block__text p {
    margin-bottom: var(--spacing-md);
}

/* CTA Box */
.cta-box {
    text-align: center;
    margin-top: var(--spacing-2xl);
}

/* ============================================
   BENEFITS GRID
   ============================================ */
.benefits-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.benefit-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.benefit-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.benefit-card__icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
}

.benefit-card h4 {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-gray-800);
}

.benefit-card p {
    font-size: 0.9rem;
    color: var(--color-gray-600);
}

/* ============================================
   MECHANISM GRID
   ============================================ */
.mechanism-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
}

.mechanism-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-sm);
    border-left: 4px solid var(--color-primary);
}

.mechanism-card__number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--color-primary);
    color: var(--color-white);
    font-family: var(--font-primary);
    font-weight: 700;
    border-radius: var(--radius-full);
    margin-bottom: var(--spacing-md);
}

.mechanism-card h4 {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-sm);
}

.mechanism-card p {
    font-size: 0.95rem;
    color: var(--color-gray-600);
}

/* ============================================
   INGREDIENTS
   ============================================ */
.ingredients-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.ingredient-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.ingredient-card__header {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
    padding: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.ingredient-card__icon {
    font-size: 2rem;
}

.ingredient-card__header h3 {
    color: var(--color-white);
    font-size: 1.25rem;
    margin: 0;
}

.ingredient-card__latin {
    font-size: 0.9rem;
    opacity: 0.8;
    font-style: italic;
}

.ingredient-card__body {
    padding: var(--spacing-xl);
}

.ingredient-card__body p {
    margin-bottom: var(--spacing-md);
}

.ingredient-card__body p:last-child {
    margin-bottom: 0;
}

/* ============================================
   USAGE SECTION
   ============================================ */
.usage-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
}

.usage-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-sm);
}

.usage-card h3 {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-md);
}

.usage-card--highlight {
    background: linear-gradient(135deg, var(--color-accent-light) 0%, var(--color-accent) 100%);
    grid-column: span 2;
}

.usage-steps {
    list-style: none;
    counter-reset: steps;
}

.usage-steps li {
    counter-increment: steps;
    padding: var(--spacing-sm) 0;
    padding-left: var(--spacing-xl);
    position: relative;
}

.usage-steps li::before {
    content: counter(steps);
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 24px;
    height: 24px;
    background: var(--color-gray-800);
    color: var(--color-white);
    font-size: 0.8rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
}

.warning-box {
    background: #FFF3CD;
    border: 1px solid #FFECB5;
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.warning-box h4 {
    color: #856404;
    margin-bottom: var(--spacing-md);
}

.warning-box ul {
    color: #856404;
}

.warning-box li {
    padding: var(--spacing-xs) 0;
}

/* ============================================
   SAFETY GRID
   ============================================ */
.safety-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
}

.safety-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-sm);
}

.safety-card h3 {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-md);
}

.safety-card ul {
    list-style: none;
}

.safety-card li {
    padding: var(--spacing-sm) 0;
    padding-left: var(--spacing-lg);
    position: relative;
}

.safety-card li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--color-primary);
    font-weight: bold;
}

.safety-card--green {
    background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-primary) 100%);
    color: var(--color-white);
    grid-column: span 2;
}

.safety-card--green h3 {
    color: var(--color-white);
}

/* ============================================
   PURCHASE SECTION
   ============================================ */
.purchase-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.purchase-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    box-shadow: var(--shadow-md);
}

.purchase-card__icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
}

.purchase-card h3 {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-md);
}

.purchase-card p {
    font-size: 0.95rem;
    color: var(--color-gray-600);
}

.purchase-card--no {
    border-top: 4px solid var(--color-gray-400);
}

.purchase-card--warning {
    border-top: 4px solid var(--color-warning);
}

.purchase-card--yes {
    border-top: 4px solid var(--color-success);
    background: linear-gradient(135deg, #E8F5E9 0%, #C8E6C9 100%);
}

.official-benefits {
    background: var(--color-gray-100);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
}

.official-benefits h3 {
    margin-bottom: var(--spacing-lg);
}

.official-benefits__grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-md);
}

.official-benefit {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: var(--color-white);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-md);
}

.official-benefit__icon {
    color: var(--color-success);
    font-weight: bold;
}

/* ============================================
   PRICE SECTION
   ============================================ */
.price-section-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
    max-width: 900px;
    margin: 0 auto;
}

.price-section-image {
    text-align: center;
}

.price-product-img {
    max-width: 100%;
    width: 350px;
    height: auto;
    border-radius: var(--radius-lg);
    filter: drop-shadow(0 20px 40px rgba(0,0,0,0.3));
}

.price-box {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    max-width: 500px;
    margin: 0 auto;
    text-align: center;
    position: relative;
}

.price-box__badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-danger);
    color: var(--color-white);
    padding: var(--spacing-sm) var(--spacing-xl);
    border-radius: var(--radius-md);
    font-family: var(--font-primary);
    font-weight: 700;
    font-size: 0.9rem;
}

.price-box__old {
    color: var(--color-gray-600);
    font-size: 1.125rem;
    margin-bottom: var(--spacing-sm);
}

.price-box__new {
    font-family: var(--font-primary);
    font-size: 4rem;
    font-weight: 800;
    color: var(--color-primary);
    line-height: 1;
    margin-bottom: var(--spacing-sm);
}

.price-box__save {
    color: var(--color-success);
    font-weight: 600;
    margin-bottom: var(--spacing-xl);
}

.price-box__features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
}

.price-feature {
    color: var(--color-gray-700);
}

.payment-methods {
    margin-top: var(--spacing-2xl);
    text-align: center;
}

.payment-methods h4 {
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
}

.payment-methods__list {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xl);
    flex-wrap: wrap;
}

.payment-methods__list span {
    color: var(--color-gray-300);
}

/* ============================================
   REVIEWS SECTION
   ============================================ */
.reviews-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
}

.review-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-sm);
}

.review-card__header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.review-card__avatar {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: var(--color-white);
    font-family: var(--font-primary);
    font-weight: 700;
    font-size: 1.25rem;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
}

.review-card__info {
    flex: 1;
}

.review-card__name {
    display: block;
    font-family: var(--font-primary);
    font-weight: 600;
}

.review-card__location {
    font-size: 0.85rem;
    color: var(--color-gray-500);
}

.review-card__rating {
    color: var(--color-accent);
    font-size: 1.125rem;
}

.review-card__text {
    font-style: italic;
    color: var(--color-gray-700);
    line-height: 1.7;
}

.reviews-note {
    background: var(--color-gray-100);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    margin-top: var(--spacing-2xl);
}

.reviews-note h4 {
    margin-bottom: var(--spacing-md);
}

.reviews-note p {
    color: var(--color-gray-600);
}

/* ============================================
   FAQ SECTION
   ============================================ */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--color-white);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.faq-item__question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-lg);
    background: none;
    border: none;
    font-family: var(--font-primary);
    font-size: 1rem;
    font-weight: 600;
    text-align: left;
    cursor: pointer;
    transition: background var(--transition-fast);
}

.faq-item__question:hover {
    background: var(--color-gray-100);
}

.faq-item__icon {
    font-size: 1.5rem;
    color: var(--color-primary);
    transition: transform var(--transition-normal);
}

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

.faq-item__answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-normal);
}

.faq-item.active .faq-item__answer {
    max-height: 500px;
}

.faq-item__answer p {
    padding: 0 var(--spacing-lg) var(--spacing-lg);
    color: var(--color-gray-600);
}

/* ============================================
   ORDER SECTION
   ============================================ */
.section--order {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    padding: var(--spacing-3xl) 0;
}

.order-box {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

.order-box__content {
    color: var(--color-white);
}

.order-box__content h2 {
    font-size: 2rem;
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
}

.order-box__content p {
    font-size: 1.125rem;
    opacity: 0.9;
    margin-bottom: var(--spacing-xl);
}

.order-box__benefits {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
}

.order-benefit {
    font-size: 0.95rem;
}

.order-box__price {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.order-price-old {
    font-size: 1.25rem;
    text-decoration: line-through;
    opacity: 0.7;
}

.order-price-new {
    font-size: 3rem;
    font-family: var(--font-primary);
    font-weight: 800;
}

.order-price-discount {
    background: var(--color-accent);
    color: var(--color-gray-900);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-weight: 600;
}

.order-box__form {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.order-form-header {
    background: var(--color-accent);
    padding: var(--spacing-lg);
    text-align: center;
}

.order-form-header h3 {
    margin-bottom: var(--spacing-xs);
}

.order-form-header p {
    font-size: 0.9rem;
    color: var(--color-gray-700);
}

.order-iframe-container {
    padding: var(--spacing-md);
}

.order-iframe {
    width: 100%;
    min-height: 500px;
    border: none;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--color-gray-900);
    color: var(--color-gray-400);
    padding: var(--spacing-2xl) 0;
}

.footer__inner {
    text-align: center;
}

.footer__disclaimer {
    max-width: 800px;
    margin: 0 auto var(--spacing-xl);
    font-size: 0.85rem;
    line-height: 1.7;
}

.footer__company {
    margin-bottom: var(--spacing-xl);
    font-size: 0.9rem;
    line-height: 1.8;
}

.footer__company p {
    margin: 0;
}

.footer__company a {
    color: var(--color-accent);
}

.footer__company a:hover {
    color: var(--color-accent-light);
}

.footer__links {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xl);
    flex-wrap: wrap;
    margin-bottom: var(--spacing-lg);
}

.footer__links a {
    color: var(--color-gray-400);
    font-size: 0.9rem;
}

.footer__links a:hover {
    color: var(--color-white);
}

.footer__copy {
    font-size: 0.85rem;
}

/* ============================================
   BACK TO TOP
   ============================================ */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--color-primary);
    color: var(--color-white);
    border: none;
    border-radius: var(--radius-full);
    font-size: 1.5rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-lg);
    z-index: 999;
}

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

.back-to-top:hover {
    background: var(--color-primary-dark);
    transform: translateY(-3px);
}

/* ============================================
   LEGAL PAGES (Privacy, Cookie Policy)
   ============================================ */
.legal-page {
    padding-top: 120px;
}

.legal-content {
    max-width: 800px;
    margin: 0 auto;
    background: var(--color-white);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.legal-content h1 {
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
    color: var(--color-primary);
}

.legal-update {
    color: var(--color-gray-500);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-2xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--color-gray-200);
}

.legal-content h2 {
    font-size: 1.25rem;
    margin-top: var(--spacing-2xl);
    margin-bottom: var(--spacing-md);
    color: var(--color-gray-800);
}

.legal-content h3 {
    font-size: 1.1rem;
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-sm);
    color: var(--color-gray-700);
}

.legal-content p {
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.legal-content ul {
    margin-bottom: var(--spacing-md);
    padding-left: var(--spacing-lg);
}

.legal-content li {
    margin-bottom: var(--spacing-sm);
    line-height: 1.6;
}

.legal-content a {
    color: var(--color-primary);
}

.legal-content a:hover {
    text-decoration: underline;
}

.cookie-table {
    width: 100%;
    border-collapse: collapse;
    margin: var(--spacing-lg) 0;
    font-size: 0.9rem;
}

.cookie-table th,
.cookie-table td {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--color-gray-300);
    text-align: left;
}

.cookie-table th {
    background: var(--color-gray-100);
    font-weight: 600;
}

.cookie-table tr:hover {
    background: var(--color-gray-50);
}

.legal-back {
    margin-top: var(--spacing-2xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--color-gray-200);
    text-align: center;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 1024px) {
    .hero__inner {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero__image {
        order: -1;
        max-width: 400px;
        margin: 0 auto;
    }
    
    .hero__benefits {
        justify-content: center;
    }
    
    .benefits-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .mechanism-grid {
        grid-template-columns: 1fr;
    }
    
    .purchase-grid {
        grid-template-columns: 1fr;
    }
    
    .order-box {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    html {
        font-size: 15px;
    }
    
    .nav {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--color-white);
        padding: var(--spacing-lg);
        box-shadow: var(--shadow-lg);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-normal);
    }
    
    .nav.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav__list {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .burger {
        display: flex;
    }
    
    .burger.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .burger.active span:nth-child(2) {
        opacity: 0;
    }
    
    .burger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
    
    .hero__title {
        font-size: 2rem;
    }
    
    .hero__price {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .info-table__row {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .toc__list {
        grid-template-columns: 1fr;
    }
    
    .benefits-grid {
        grid-template-columns: 1fr;
    }
    
    .usage-grid {
        grid-template-columns: 1fr;
    }
    
    .usage-card--highlight {
        grid-column: span 1;
    }
    
    .safety-grid {
        grid-template-columns: 1fr;
    }
    
    .safety-card--green {
        grid-column: span 1;
    }
    
    .reviews-grid {
        grid-template-columns: 1fr;
    }
    
    .order-box__benefits {
        grid-template-columns: 1fr;
    }
    
    .order-box__price {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .price-box__new {
        font-size: 3rem;
    }
    
    .price-section-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .price-section-image {
        order: -1;
    }
    
    .price-product-img {
        width: 250px;
    }
    
    .payment-methods__list {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .footer__links {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
}

@media (max-width: 480px) {
    .hero__title {
        font-size: 1.75rem;
    }
    
    .section__title {
        font-size: 1.5rem;
    }
    
    .hero__benefits {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .price-new {
        font-size: 2rem;
    }
    
    .order-price-new {
        font-size: 2.5rem;
    }
    
    .btn--large {
        padding: 1rem 1.5rem;
        font-size: 1rem;
    }
}