:root {
    --color-primary: #2c5282;
    --color-primary-light: #4299e1;
    --color-primary-dark: #1a365d;
    --color-accent: #dd6b20;
    --color-accent-hover: #ed8936;
    --color-accent-text: #1a1a1a;
    --color-bg: #f7fafc;
    --color-bg-alt: #edf2f7;
    --color-bg-card: #ffffff;
    --color-text: #2d3748;
    --color-text-muted: #4a5568;
    --color-border: #e2e8f0;
    --color-error: #c0392b;
    --font-heading: 'Georgia', 'Times New Roman', serif;
    --font-body: 'Segoe UI', system-ui, sans-serif;
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.1);
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-full: 9999px;
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 40px;
    --spacing-2xl: 64px;
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
}

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

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

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

.header {
    position: sticky;
    top: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--color-bg-card);
    box-shadow: var(--shadow-sm);
}

.logo {
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-primary);
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-sm);
}

.menu-bar {
    width: 22px;
    height: 2px;
    background: var(--color-primary);
    transition: var(--transition-fast);
}

.nav {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.nav a {
    font-size: 0.9rem;
    padding: var(--spacing-xs) var(--spacing-sm);
}

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

main {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-lg);
}

.hero {
    display: grid;
    grid-template-columns: minmax(min(260px, 100%), 1fr) minmax(min(260px, 100%), 1fr);
    gap: var(--spacing-xl);
    align-items: center;
    padding: var(--spacing-xl) 0;
}

.hero-visual {
    position: relative;
}

.hero-visual img {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.hero-badges {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.rating {
    color: var(--color-accent);
    font-weight: 600;
}

.trust-badge {
    font-size: 0.8rem;
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--color-primary);
    color: var(--color-bg-card);
    border-radius: var(--radius-full);
}

.hero-content h1 {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    color: var(--color-primary-dark);
    margin-bottom: var(--spacing-md);
}

.hero-desc {
    margin-bottom: var(--spacing-lg);
    color: var(--color-text-muted);
}

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

.price-current {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-primary);
}

.price-old {
    font-size: 1rem;
    color: var(--color-text-muted);
    text-decoration: line-through;
}

.order-form,
.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    max-width: 400px;
}

.order-form input,
.order-form textarea,
.contact-form input,
.contact-form textarea {
    padding: var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 1rem;
    transition: border-color var(--transition-fast);
}

.order-form input:focus,
.order-form textarea:focus,
.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--color-primary);
}

.order-form input.error,
.order-form textarea.error,
.contact-form input.error,
.contact-form textarea.error {
    border-color: var(--color-error);
}

.error-msg {
    font-size: 0.85rem;
    color: var(--color-error);
    margin-top: calc(-1 * var(--spacing-sm));
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    cursor: pointer;
    font-size: 0.9rem;
}

.checkbox-label input {
    margin-top: 4px;
}

.cta-btn {
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--color-primary);
    color: var(--color-bg-card);
    border: none;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background var(--transition-normal), color var(--transition-normal);
}

.cta-btn:hover {
    background: var(--color-accent);
    color: var(--color-accent-text);
}

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

.cta-secondary {
    background: var(--color-bg-alt);
    color: var(--color-text);
}

.cta-secondary:hover {
    background: var(--color-primary);
    color: var(--color-bg-card);
}

.mailto-btn {
    display: inline-block;
    text-align: center;
    margin-top: var(--spacing-md);
}

.features,
.benefits,
.description,
.how-to-use,
.composition,
.reviews,
.faq,
.cta-section {
    padding: var(--spacing-2xl) 0;
}

.features h2,
.benefits h2,
.description h2,
.how-to-use h2,
.composition h2,
.reviews h2,
.faq h2,
.cta-section h2 {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    color: var(--color-primary-dark);
    margin-bottom: var(--spacing-xl);
    text-align: center;
}

.features-grid,
.benefits-grid,
.reviews-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(200px, 100%), 260px));
    gap: var(--spacing-lg);
}

.feature-card,
.benefit-card,
.review-card {
    padding: var(--spacing-lg);
    background: var(--color-bg-card);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.feature-card:hover,
.benefit-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.feature-card:nth-child(1),
.benefit-card:nth-child(1) {
    border-left: 4px solid var(--color-primary);
}

.feature-card:nth-child(2),
.benefit-card:nth-child(2) {
    border-left: 4px solid var(--color-accent);
}

.feature-card:nth-child(3),
.benefit-card:nth-child(3) {
    border-left: 4px solid var(--color-primary-light);
}

.benefit-card {
    background: linear-gradient(135deg, var(--color-bg-card) 0%, var(--color-bg-alt) 100%);
}

.review-card {
    border-top: 3px solid var(--color-accent);
}

.review-text {
    font-style: italic;
    margin-bottom: var(--spacing-md);
}

.review-card cite {
    font-style: normal;
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

.description article p,
.composition p {
    margin-bottom: var(--spacing-md);
    max-width: 720px;
    margin-left: auto;
    margin-right: auto;
}

.usage-steps {
    max-width: 600px;
    margin: 0 auto;
    padding-left: var(--spacing-lg);
}

.usage-steps li {
    margin-bottom: var(--spacing-md);
}

.faq-list {
    max-width: 700px;
    margin: 0 auto;
}

.faq-item {
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    background: var(--color-bg-card);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.faq-item h3 {
    font-size: 1.1rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.cta-section .contact-form {
    max-width: 500px;
    margin: 0 auto;
}

.disclaimer {
    padding: var(--spacing-lg);
    background: var(--color-bg-alt);
    border-radius: var(--radius-md);
    margin-top: var(--spacing-xl);
}

.disclaimer p {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-sm);
}

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

.footer {
    padding: var(--spacing-xl);
    background: var(--color-primary-dark);
    color: var(--color-bg-card);
    text-align: center;
}

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

.footer-nav a {
    color: var(--color-bg-card);
    font-size: 0.9rem;
}

.footer-nav a:hover {
    color: var(--color-accent);
}

.footer-address {
    font-style: normal;
    font-size: 0.9rem;
    margin-bottom: var(--spacing-md);
    opacity: 0.9;
}

.copyright {
    font-size: 0.85rem;
    opacity: 0.8;
}

.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--color-bg-card);
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.1);
    padding: var(--spacing-lg);
    z-index: 200;
    transform: translateY(100%);
    transition: transform var(--transition-normal);
}

.cookie-banner.visible {
    transform: translateY(0);
}

.cookie-content p {
    margin-bottom: var(--spacing-md);
    font-size: 0.95rem;
}

.cookie-actions {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.cookie-btn {
    padding: var(--spacing-sm) var(--spacing-md);
    border: none;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    cursor: pointer;
    transition: background var(--transition-fast), color var(--transition-fast);
}

.cookie-accept {
    background: var(--color-primary);
    color: var(--color-bg-card);
}

.cookie-accept:hover {
    background: var(--color-accent);
    color: var(--color-accent-text);
}

.cookie-reject {
    background: var(--color-bg-alt);
    color: var(--color-text);
}

.cookie-reject:hover {
    background: var(--color-text-muted);
    color: var(--color-bg-card);
}

.cookie-settings {
    background: transparent;
    color: var(--color-primary);
    border: 1px solid var(--color-primary);
}

.cookie-settings:hover {
    background: var(--color-primary);
    color: var(--color-bg-card);
}

.cookie-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 10000;
}

.cookie-modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--color-bg-card);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    z-index: 10001;
    max-width: 400px;
    width: 90%;
}

.cookie-modal h3 {
    margin-bottom: var(--spacing-md);
    font-family: var(--font-heading);
}

.cookie-toggle {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    cursor: pointer;
}

.cookie-modal-actions {
    margin-top: var(--spacing-lg);
}

.cookie-save {
    background: var(--color-primary);
    color: var(--color-bg-card);
}

.cookie-save:hover {
    background: var(--color-accent);
    color: var(--color-accent-text);
}

.thank-you-main {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: calc(100vh - 200px);
    padding: var(--spacing-2xl) var(--spacing-lg);
}

.thank-you-section,
.thank-you-info {
    text-align: center;
    max-width: 560px;
    width: 100%;
}

.thank-you-section {
    margin-bottom: var(--spacing-xl);
}

.thank-you-info {
    padding: var(--spacing-xl);
    background: var(--color-bg-alt);
    border-radius: var(--radius-md);
}

.thank-you-section h1,
.thank-you-info h2 {
    font-family: var(--font-heading);
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.thank-you-section p,
.thank-you-info p {
    margin-bottom: var(--spacing-md);
}

.legal-main {
    max-width: 720px;
    margin: 0 auto;
    padding: var(--spacing-xl) var(--spacing-lg);
}

.home-btn {
    display: inline-block;
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--color-bg-alt);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
}

.home-btn:hover {
    background: var(--color-primary);
    color: var(--color-bg-card);
}

.legal-content {
    width: 100%;
}

.legal-content h1 {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    color: var(--color-primary-dark);
    margin-bottom: var(--spacing-sm);
}

.legal-updated {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-xl);
}

.legal-content section {
    margin-bottom: var(--spacing-xl);
}

.legal-content section:last-child {
    margin-bottom: 0;
}

.legal-content h2 {
    font-size: 1.15rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

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

.legal-content p:last-child {
    margin-bottom: 0;
}

@media (max-width: 1000px) {
    .menu-toggle {
        display: flex;
    }

    .header {
        flex-wrap: wrap;
        margin-bottom: 0;
        padding-bottom: 0;
    }

    .nav {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        background: var(--color-bg-card);
        padding: 0;
        box-shadow: none;
        gap: 0;
        max-height: 0;
        overflow: hidden;
        transition: max-height var(--transition-normal), box-shadow var(--transition-normal);
        margin-top: 0;
    }

    .nav.open {
        max-height: 400px;
        padding: var(--spacing-md);
        box-shadow: var(--shadow-md);
    }

    .nav a {
        display: inline-block;
        width: fit-content;
        padding: var(--spacing-sm) var(--spacing-md);
        border-bottom: 1px solid var(--color-border);
    }

    .nav a:last-child {
        border-bottom: none;
    }
}

@media (max-width: 600px) {
    .hero {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {

    .cookie-actions,
    .cookie-modal-actions {
        flex-direction: column;
    }

    .cookie-btn {
        width: 100%;
    }

    main {
        padding: var(--spacing-md);
    }

    .hero-content h1 {
        font-size: 2rem;
    }

    .features-grid,
    .benefits-grid,
    .reviews-grid {
        grid-template-columns: 1fr;
    }
}