:root {
    --color-primary: #007BFF;
    --color-secondary: #6C757D;
    --color-accent: #FF003C;
    --color-bg: #050505;
    --color-text: #E9ECEF;
    --font-heading: 'Chakra Petch', sans-serif;
    --font-body: 'IBM Plex Mono', monospace;
    --font-btn: 'JetBrains Mono', monospace;
    --radius: 4px;
    --shadow: 0 4px 20px rgba(0, 123, 255, 0.15);
    --spacing: 1.5rem;
    --transition: 0.3s ease;
}

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

html {
    overflow-x: hidden;
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: var(--font-body);
    font-size: 0.9375rem;
    line-height: 1.6;
    color: var(--color-text);
    background: var(--color-bg);
    min-height: 100vh;
    overflow-x: hidden;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

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

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

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

h1, h2, h3 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
}

.container {
    width: 100%;
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 var(--spacing);
}

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(5, 5, 5, 0.95);
    border-bottom: 1px solid rgba(108, 117, 125, 0.3);
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1140px;
    margin: 0 auto;
    padding: 1rem var(--spacing);
}

.logo-link {
    color: var(--color-text);
}

.brand-name {
    font-family: var(--font-heading);
    font-size: clamp(0.875rem, 2.5vw, 1rem);
    white-space: nowrap;
    overflow: hidden;
}

.header-nav {
    display: none;
}

.header-nav a {
    color: var(--color-text);
    font-size: 0.875rem;
    padding: 0.5rem 0.75rem;
}

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

.burger {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 36px;
    height: 36px;
    padding: 0;
    background: transparent;
    border: 2px solid var(--color-secondary);
    border-radius: var(--radius);
    cursor: pointer;
    transition: border-color var(--transition), background var(--transition);
}

.burger span {
    display: block;
    width: 18px;
    height: 2px;
    margin: 0 auto;
    background: var(--color-text);
}

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

.burger[aria-expanded="true"] span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.burger[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
}

.burger[aria-expanded="true"] span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

.nav-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 999;
    background: rgba(5, 5, 5, 0.9);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
}

.nav-overlay.is-open {
    opacity: 1;
    visibility: visible;
}

.nav-panel {
    position: absolute;
    top: 0;
    right: 0;
    width: min(1023px, 90vw);
    height: 100vh;
    background: var(--color-bg);
    border-left: 2px solid var(--color-secondary);
    padding: 5rem var(--spacing) var(--spacing);
    transform: translateX(100%);
    transition: transform 0.3s ease;
}

.nav-overlay.is-open .nav-panel {
    transform: translateX(0);
}

.nav-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 36px;
    height: 36px;
    padding: 0;
    background: transparent;
    border: 2px solid var(--color-secondary);
    border-radius: var(--radius);
    cursor: pointer;
}

.nav-close::before,
.nav-close::after {
    content: '';
    position: absolute;
    left: 50%;
    top: 50%;
    width: 16px;
    height: 2px;
    background: var(--color-text);
}

.nav-close::before { transform: translate(-50%, -50%) rotate(45deg); }
.nav-close::after { transform: translate(-50%, -50%) rotate(-45deg); }

.nav-links {
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-links a {
    display: block;
    padding: 0.75rem 0;
    color: var(--color-text);
    font-size: 1rem;
    border-bottom: 1px solid rgba(108, 117, 125, 0.2);
}

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

main {
    padding-top: 70px;
}

.hero {
    position: relative;
    min-height: 90vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 3rem var(--spacing);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--color-bg) 0%, rgba(0, 123, 255, 0.08) 50%, var(--color-bg) 100%);
    z-index: 0;
}

.hero-bg::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: url('../images/product.webp');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0.12;
    z-index: -1;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
}

.hero-title {
    font-size: clamp(2rem, 6vw, 3.5rem);
    font-style: italic;
    margin: 0 0 1rem;
    color: var(--color-text);
}

.hero-desc {
    max-width: 520px;
    margin: 0 auto 1.5rem;
    font-size: clamp(0.875rem, 2vw, 1rem);
}

.hero-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    font-family: var(--font-btn);
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    border: 2px solid var(--color-primary);
    border-radius: var(--radius);
    margin-bottom: 1.5rem;
}

.hero-product {
    margin: 2rem 0;
}

.hero-product img {
    margin: 0 auto;
}

.hero-rating {
    color: var(--color-accent);
    font-size: 1rem;
    margin-bottom: 1.5rem;
}

.btn-cta {
    display: inline-block;
    padding: 1rem 2rem;
    font-family: var(--font-btn);
    font-size: 0.875rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: var(--color-text);
    background: var(--color-accent);
    border: 2px solid var(--color-accent);
    border-radius: var(--radius);
    cursor: pointer;
    transition: background var(--transition), box-shadow var(--transition);
}

.btn-cta:hover {
    background: transparent;
    box-shadow: 0 0 20px rgba(255, 0, 60, 0.4);
}

.section {
    padding: 4rem 0;
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.section.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.section-title {
    font-size: clamp(1.5rem, 4vw, 2.25rem);
    text-align: center;
    margin: 0 0 0.5rem;
}

.section-sub {
    text-align: center;
    color: var(--color-secondary);
    margin: 0 0 2rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: var(--spacing);
    max-width: 900px;
    margin: 0 auto;
}

.feature-card,
.benefit-card,
.usage-step,
.ingredient-card,
.review-card {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.feature-card.is-visible,
.benefit-card.is-visible,
.usage-step.is-visible,
.ingredient-card.is-visible,
.review-card.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.feature-card {
    padding: 1.5rem;
    background: rgba(108, 117, 125, 0.1);
    border: 1px solid rgba(108, 117, 125, 0.3);
    border-radius: var(--radius);
    text-align: center;
    transition: border-color var(--transition), box-shadow var(--transition);
}

.feature-card:hover {
    border-color: var(--color-primary);
    box-shadow: 0 0 15px rgba(0, 123, 255, 0.2);
}

.feature-icon {
    color: var(--color-accent);
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
}

.feature-card h3 {
    font-size: 1rem;
    margin: 0 0 0.5rem;
}

.feature-card p {
    margin: 0;
    font-size: 0.8125rem;
    overflow-wrap: break-word;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--spacing);
}

.benefit-card {
    padding: 2rem;
    background: rgba(108, 117, 125, 0.08);
    border: 1px solid rgba(108, 117, 125, 0.25);
    border-radius: var(--radius);
    transition: border-color var(--transition);
}

.benefit-card:hover {
    border-color: var(--color-secondary);
}

.benefit-card h3 {
    font-size: 1.125rem;
    margin: 0 0 0.75rem;
}

.benefit-card p {
    margin: 0;
    font-size: 0.875rem;
    overflow-wrap: break-word;
}

.description {
    background: rgba(0, 123, 255, 0.05);
}

.desc-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 2rem;
    align-items: center;
    max-width: 800px;
    margin: 0 auto;
}

.desc-image {
    text-align: center;
}

.desc-text p {
    margin: 0;
    overflow-wrap: break-word;
}

.usage-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--spacing);
}

.usage-step {
    padding: 1.5rem;
    border-left: 4px solid var(--color-primary);
    background: rgba(108, 117, 125, 0.08);
    border-radius: 0 var(--radius) var(--radius) 0;
}

.step-num {
    display: block;
    font-family: var(--font-btn);
    font-size: 0.75rem;
    color: var(--color-primary);
    margin-bottom: 0.5rem;
}

.usage-step h3 {
    font-size: 1rem;
    margin: 0 0 0.5rem;
}

.usage-step p {
    margin: 0;
    font-size: 0.875rem;
    overflow-wrap: break-word;
}

.ingredients {
    background: rgba(255, 0, 60, 0.04);
}

.ingredients-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing);
}

.ingredient-card {
    padding: 1.5rem;
    text-align: center;
    border: 1px solid rgba(108, 117, 125, 0.3);
    border-radius: var(--radius);
}

.ingredient-card h3 {
    font-size: 1rem;
    margin: 0 0 0.5rem;
}

.ingredient-card p {
    margin: 0;
    font-size: 0.8125rem;
    overflow-wrap: break-word;
}

.reviews-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--spacing);
}

.review-card {
    padding: 1.5rem;
    background: rgba(108, 117, 125, 0.08);
    border: 1px solid rgba(108, 117, 125, 0.25);
    border-radius: var(--radius);
}

.review-stars {
    color: var(--color-accent);
    margin-bottom: 0.75rem;
}

.review-card p {
    margin: 0 0 1rem;
    font-size: 0.875rem;
    overflow-wrap: break-word;
}

.review-author {
    font-size: 0.75rem;
    color: var(--color-secondary);
}

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

.faq-item {
    border-bottom: 1px solid rgba(108, 117, 125, 0.3);
}

.faq-toggle {
    width: 100%;
    padding: 1.25rem 0;
    background: none;
    border: none;
    color: var(--color-text);
    font-family: var(--font-body);
    font-size: 0.9375rem;
    text-align: left;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.faq-toggle::after {
    content: '+';
    font-size: 1.25rem;
    color: var(--color-secondary);
}

.faq-item.is-open .faq-toggle::after {
    content: '−';
}

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

.faq-content p {
    margin: 0 0 1.25rem;
    padding-right: 2rem;
    font-size: 0.875rem;
    overflow-wrap: break-word;
}

.order {
    background: rgba(0, 123, 255, 0.06);
}

.order-block {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 2rem;
    align-items: start;
    max-width: 750px;
    margin: 0 auto;
}

.order-product {
    text-align: center;
}

.order-product img {
    margin: 0 auto 1rem;
}

.order-price {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

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

.price-new {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    color: var(--color-accent);
}

.order-form label {
    display: block;
    margin-bottom: 1rem;
}

.order-form label span {
    display: block;
    margin-bottom: 0.35rem;
    font-size: 0.8125rem;
}

.order-form input,
.order-form textarea {
    width: 100%;
    padding: 0.75rem;
    font-family: var(--font-body);
    font-size: 0.875rem;
    color: var(--color-text);
    background: rgba(108, 117, 125, 0.15);
    border: 1px solid rgba(108, 117, 125, 0.4);
    border-radius: var(--radius);
}

.order-form input::placeholder,
.order-form textarea::placeholder {
    color: var(--color-secondary);
}

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

.order-form input.is-error {
    border-color: var(--color-accent);
}

.field-error {
    color: var(--color-accent);
    font-size: 0.75rem;
    margin-top: 0.25rem;
}

.gdpr-label {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
}

.gdpr-label input {
    width: auto;
    margin-top: 0.3rem;
}

.btn-submit {
    width: 100%;
    padding: 1rem;
    font-family: var(--font-btn);
    font-size: 0.875rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: var(--color-text);
    background: var(--color-accent);
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    margin-top: 0.5rem;
    transition: background var(--transition), opacity var(--transition);
}

.btn-submit:hover {
    opacity: 0.9;
}

.disclaimer {
    background: rgba(108, 117, 125, 0.1);
}

.disclaimer-text {
    max-width: 700px;
    margin: 0 auto;
    font-size: 0.8125rem;
    color: var(--color-secondary);
    text-align: center;
    overflow-wrap: break-word;
}

.footer {
    padding: 2rem var(--spacing);
    border-top: 1px solid rgba(108, 117, 125, 0.3);
    text-align: center;
}

.footer-inner {
    max-width: 600px;
    margin: 0 auto;
}

.footer-inner address,
.footer-email {
    font-style: normal;
    font-size: 0.8125rem;
    color: var(--color-secondary);
    margin: 0.5rem 0;
}

.footer-nav {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
    margin-top: 1rem;
}

.footer-nav a {
    font-size: 0.8125rem;
}

.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 9999;
    background: rgba(5, 5, 5, 0.98);
    border-top: 2px solid var(--color-secondary);
    padding: var(--spacing);
}

.cookie-inner p {
    margin: 0 0 1rem;
    font-size: 0.875rem;
    overflow-wrap: break-word;
}

.cookie-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.cookie-btn {
    padding: 0.5rem 1rem;
    font-family: var(--font-btn);
    font-size: 0.75rem;
    background: transparent;
    border: 2px solid var(--color-secondary);
    color: var(--color-text);
    border-radius: var(--radius);
    cursor: pointer;
    transition: border-color var(--transition), background var(--transition);
}

.cookie-btn:hover {
    border-color: var(--color-primary);
}

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

.cookie-settings-panel {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(108, 117, 125, 0.3);
}

.cookie-settings-panel h3 {
    font-size: 1rem;
    margin: 0 0 0.75rem;
}

.cookie-settings-panel label {
    display: block;
    margin-bottom: 0.5rem;
}

@media (min-width: 1024px) {
    .header-nav {
        display: flex;
        flex-wrap: wrap;
        gap: 0.25rem;
        align-items: center;
    }

    .burger {
        display: none;
    }

    .nav-overlay {
        display: none;
    }
}


.policy-section {
    padding: 6rem 0 4rem;
}

.policy-container h1 {
    font-size: clamp(1.75rem, 4vw, 2.25rem);
    margin: 0 0 0.5rem;
}

.policy-container .date {
    color: var(--color-secondary);
    font-size: 0.875rem;
    margin-bottom: 2rem;
}

.policy-container h2 {
    font-size: 1.125rem;
    margin: 2rem 0 0.75rem;
}

.policy-container p {
    margin: 0 0 1rem;
    overflow-wrap: break-word;
}

.thank-you-section {
    min-height: 60vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.thank-you-section h1 {
    font-size: 2rem;
    margin: 0 0 1rem;
}

.thank-you-section p {
    margin: 0 0 1.5rem;
    max-width: 500px;
}

.thank-you-section .btn-cta {
    display: inline-block;
}

@media (max-width: 768px) {
    .desc-content {
        grid-template-columns: 1fr;
    }

    .order-block {
        grid-template-columns: 1fr;
    }

    .hero-bg::before {
        opacity: 0.08;
    }

    .hero {
        min-height: auto;
        padding: 2rem var(--spacing);
    }
}

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