:root {
    --color-primary: #001219;
    --color-secondary: #E9ECEF;
    --color-accent: #00B4D8;
    --color-bg: #FFFFFF;
    --color-text: #001219;
    --font-main: 'IBM Plex Sans', -apple-system, sans-serif;
    --font-mono: 'IBM Plex Mono', monospace;
    --radius: 1px;
    --shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
    --spacing: 1.5rem;
    --spacing-lg: 3rem;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
    margin: 0;
    font-family: var(--font-main);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-text);
    background: var(--color-bg);
    min-height: 100vh;
    display: flex;
    overflow-x: hidden;
    flex-direction: column;
}

main {
    flex: 1;
}

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

a {
    color: var(--color-accent);
    text-decoration: none;
    transition: color var(--transition), opacity var(--transition);
}

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

a:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing);
}

.header {
    position: sticky;
    top: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing) var(--spacing-lg);
    background: var(--color-bg);
    border-bottom: 0.5px solid var(--color-secondary);
}

.header__brand {
    font-weight: 600;
    font-size: 1.125rem;
    letter-spacing: 0.02em;
    color: var(--color-primary);
}

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

.header__nav-list {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.header__nav a {
    color: var(--color-primary);
    font-weight: 500;
    letter-spacing: 0.02em;
}

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

.burger {
    display: none;
    flex-direction: column;
    gap: 6px;
    padding: 8px;
    background: none;
    border: none;
    cursor: pointer;
}

.burger__line {
    width: 24px;
    height: 2px;
    background: var(--color-primary);
    transition: transform var(--transition), opacity var(--transition);
}

.burger[aria-expanded="true"] .burger__line:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

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

.burger[aria-expanded="true"] .burger__line:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

.burger-menu {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 99;
    background: rgba(0, 18, 25, 0.95);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition), visibility var(--transition);
}

.burger-menu.is-open {
    opacity: 1;
    visibility: visible;
}

.burger-menu__nav {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
}

.burger-menu__list {
    list-style: none;
    margin: 0;
    padding: 0;
    text-align: center;
}

.burger-menu__list a {
    display: block;
    padding: 0.5rem;
    color: var(--color-bg);
    font-size: 1.25rem;
    letter-spacing: 0.05em;
}

.burger-menu__list a:hover,
.burger-menu__list a:focus {
    color: var(--color-accent);
}

@media (max-width: 1023px) {
    .header__nav {
        display: none;
    }

    .burger {
        display: flex;
    }

    .burger-menu {
        display: block;
    }
}

.section {
    padding: var(--spacing-lg) 0;
}

.section__title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 600;
    letter-spacing: 0.04em;
    text-align: center;
    margin: 0 0 0.5rem;
    color: var(--color-primary);
}

.section__lead {
    text-align: center;
    margin: 0 0 var(--spacing-lg);
    color: var(--color-primary);
    opacity: 0.8;
}

.grid {
    display: grid;
    gap: var(--spacing);
}

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

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

@media (max-width: 768px) {
    .grid--2,
    .grid--3 {
        grid-template-columns: 1fr;
    }
}

.card {
    padding: var(--spacing);
    border: 0.5px solid var(--color-secondary);
    border-radius: var(--radius);
    transition: box-shadow var(--transition), border-color var(--transition);
}

.card--vapor {
    position: relative;
    overflow: hidden;
}

.card--vapor::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--radius);
    padding: 0.5px;
    background: linear-gradient(135deg, transparent, var(--color-accent), transparent);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity var(--transition);
}

.card--vapor:hover,
.card--vapor:focus-within {
    box-shadow: 0 0 20px rgba(0, 180, 216, 0.15);
}

.card--vapor:hover::before {
    opacity: 1;
}

.card h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin: 0 0 0.5rem;
    letter-spacing: 0.03em;
}

.card p {
    margin: 0;
    font-size: 0.95rem;
}

.card--testimonial cite {
    display: block;
    margin-top: 1rem;
    font-size: 0.875rem;
    font-style: normal;
    color: var(--color-accent);
    font-family: var(--font-mono);
}

.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    font-family: var(--font-main);
    font-size: 1rem;
    font-weight: 500;
    border: 1px solid var(--color-accent);
    border-radius: var(--radius);
    cursor: pointer;
    transition: all var(--transition);
    text-align: center;
}

.btn--primary {
    background: var(--color-accent);
    color: var(--color-bg);
}

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

.btn--hollow {
    background: transparent;
    color: var(--color-accent);
    position: relative;
    overflow: hidden;
}

.btn--hollow::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: var(--color-accent);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.5s ease, height 0.5s ease;
    z-index: 0;
}

.btn--hollow:hover {
    color: var(--color-bg);
}

.btn--hollow:hover::before {
    width: 300%;
    height: 300%;
}

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

.btn:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

.burger:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

.section--hero {
    position: relative;
    padding: var(--spacing-lg) 0;
    min-height: 80vh;
    display: flex;
    align-items: center;
}

.hero__bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, var(--color-bg) 0%, var(--color-secondary) 30%, var(--color-bg) 100%);
    opacity: 0.5;
    z-index: -1;
}

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

.hero__content {
    max-width: 640px;
    margin: 0 auto;
}

.hero__badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--color-accent);
    border: 0.5px solid var(--color-accent);
    border-radius: var(--radius);
    margin-bottom: var(--spacing);
    letter-spacing: 0.1em;
}

.hero__title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    letter-spacing: 0.06em;
    margin: 0 0 0.5rem;
}

.hero__subtitle {
    font-size: 1.25rem;
    margin: 0 0 var(--spacing);
    opacity: 0.9;
}

.hero__rating {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: var(--spacing);
}

.hero__stars {
    color: var(--color-accent);
}

.hero__desc {
    margin: 0 0 var(--spacing);
}

.hero__price {
    display: flex;
    align-items: baseline;
    gap: 1rem;
    margin-bottom: var(--spacing-lg);
}

.hero__price-old {
    font-size: 1.25rem;
    text-decoration: line-through;
    opacity: 0.6;
}

.hero__price-current {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-accent);
}

.hero__order {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: start;
    padding: var(--spacing);
    border: 0.5px solid var(--color-secondary);
    border-radius: var(--radius);
}

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

.hero__product-figure {
    margin: 0;
}

.hero__product-figure img {
    width: 200px;
    height: 200px;
    object-fit: contain;
    margin: 0 auto;
}

.order-form label {
    display: block;
    margin-top: 0.75rem;
    font-size: 0.875rem;
}

.order-form input,
.order-form textarea {
    width: 100%;
    padding: 0.5rem;
    margin-top: 0.25rem;
    border: 0.5px solid var(--color-secondary);
    border-radius: var(--radius);
    font-family: var(--font-main);
}

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

.order-form__gdpr {
    font-size: 0.8rem;
}

.order-form__gdpr a {
    text-decoration: underline;
}

.order-form button {
    width: 100%;
    margin-top: 1rem;
}

.legal-disclaimer {
    padding: var(--spacing-lg) 0;
    background: var(--color-secondary);
}

.legal-disclaimer .container {
    max-width: 800px;
    margin: 0 auto;
}

.legal-disclaimer p {
    margin: 0;
    font-size: 0.8rem;
    text-align: center;
    color: var(--color-primary);
    opacity: 0.85;
}

.section--contact .contact__content {
    text-align: center;
}

.section--contact .contact__content p,
.section--contact .contact__content address {
    margin-bottom: var(--spacing);
}

.contact__map {
    margin-top: var(--spacing);
    border-radius: var(--radius);
    overflow: hidden;
    border: 0.5px solid var(--color-secondary);
}

.contact__map iframe {
    display: block;
}

.faq__item {
    border: 0.5px solid var(--color-secondary);
    border-radius: var(--radius);
    margin-bottom: 0.5rem;
    overflow: hidden;
}

.faq__question {
    width: 100%;
    padding: 1rem var(--spacing);
    margin: 0;
    font-family: var(--font-main);
    font-size: 1rem;
    font-weight: 500;
    text-align: left;
    background: var(--color-bg);
    border: none;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background var(--transition);
}

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

.faq__question::after {
    content: '+';
    font-size: 1.25rem;
    color: var(--color-accent);
}

.faq__item.is-open .faq__question::after {
    content: '−';
}

.faq__answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease;
}

.faq__item.is-open .faq__answer {
    max-height: 200px;
}

.faq__answer p {
    padding: 0 var(--spacing) 1rem;
    margin: 0;
}

.footer {
    margin-top: auto;
    padding: var(--spacing-lg);
    background: var(--color-primary);
    color: var(--color-bg);
}

.footer__container {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing);
}

.footer__copyright {
    margin: 0;
    font-size: 0.9rem;
}

.footer__nav {
    display: flex;
    gap: 1.5rem;
}

.footer__nav a {
    color: var(--color-bg);
}

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

.cookie-consent {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--spacing);
    background: var(--color-primary);
    color: var(--color-bg);
    z-index: 1000;
    transform: translateY(100%);
    transition: transform var(--transition);
}

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

.cookie-consent__content p {
    margin: 0 0 var(--spacing);
}

.cookie-consent__buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.cookie-consent__buttons .btn--primary {
    background: var(--color-accent);
}

.cookie-consent__buttons .btn--hollow {
    color: var(--color-bg);
    border-color: var(--color-bg);
}

.cookie-consent__buttons .btn--hollow:hover {
    background: var(--color-bg);
    color: var(--color-primary);
}

.cookie-settings {
    margin-top: var(--spacing);
    padding-top: var(--spacing);
    border-top: 0.5px solid rgba(255,255,255,0.3);
}

.cookie-settings[aria-hidden="true"] {
    display: none;
}

.cookie-settings h3 {
    margin: 0 0 0.75rem;
}

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

.cookie-settings__save {
    margin-top: 0.75rem;
}

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

.section--thank-you h1 {
    margin: 0 0 var(--spacing);
}

.section--thank-you p {
    margin: 0 0 var(--spacing);
}

.legal-page {
    padding: var(--spacing-lg) 0;
}

.legal-page h1 {
    margin: 0 0 0.5rem;
}

.legal-page .date {
    margin: 0 0 var(--spacing-lg);
    font-size: 0.9rem;
    opacity: 0.8;
}

.legal-page section {
    margin-bottom: var(--spacing-lg);
}

.legal-page h2 {
    font-size: 1.25rem;
    margin: 0 0 0.5rem;
}

.legal-page p {
    margin: 0 0 0.5rem;
}

.animate-on-scroll {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.is-visible {
    opacity: 1;
    transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        transition-duration: 0.01ms !important;
    }

    .animate-on-scroll {
        opacity: 1;
        transform: none;
    }
}