:root {
    --font-base: 'Manrope', sans-serif;
    --color-dark: #050505;
    --color-light: #ffffff;
    --color-muted: #141414;
    --color-accent: #ffffff;
    --color-accent-dark: #cccccc;
    --color-text: #b0b0b0;
    --color-border: #333333;
    --transition: 300ms ease;
    --shadow-card: 0 20px 40px rgba(0, 0, 0, 0.5);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: var(--font-base);
    color: var(--color-text);
    background: var(--color-dark);
    line-height: 1.6;
}

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

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

img {
    max-width: 100%;
    display: block;
    border-radius: 4px;
}

.container {
    width: min(1280px, 92vw);
    margin: 0 auto;
}

.site-header {
    background: rgba(5, 5, 5, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.site-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
}

.brand {
    display: flex;
    align-items: center;
    gap: 1rem;
    color: var(--color-light);
}

.brand__logo {
    width: 48px;
    height: 48px;
    border-radius: 0;
    background: white;
}

.brand__name {
    font-weight: 600;
    font-size: 1.25rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
}

.brand__tagline {
    display: block;
    font-size: 0.75rem;
    color: var(--color-text);
    letter-spacing: 0.05em;
}

.site-nav ul {
    display: flex;
    gap: 2rem;
    list-style: none;
    padding: 0;
    margin: 0;
}

.site-nav a {
    font-weight: 500;
    padding: 0.35rem 0;
    position: relative;
    color: var(--color-text);
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 0.1em;
}

.site-nav a::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -0.4rem;
    width: 100%;
    height: 1px;
    background: var(--color-light);
    opacity: 0;
    transform: scaleX(0.4);
    transition: transform var(--transition), opacity var(--transition);
}

.site-nav a.is-active,
.site-nav a:hover,
.site-nav a:focus {
    color: var(--color-light);
}

.site-nav a.is-active::after,
.site-nav a:hover::after,
.site-nav a:focus::after {
    opacity: 1;
    transform: scaleX(1);
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
}

.nav-toggle__bar {
    display: block;
    width: 24px;
    height: 1px;
    background: var(--color-light);
    margin: 6px 0;
    transition: var(--transition);
}

.section {
    padding: clamp(5rem, 10vw, 8rem) 0;
}

.section--muted {
    background: var(--color-muted);
}

.section--accent {
    background: var(--color-muted);
    color: var(--color-light);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.section__header {
    text-align: center;
    max-width: 720px;
    margin: 0 auto 4rem;
}

.section__header h1,
.section__header h2 {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    margin-bottom: 1.5rem;
    color: var(--color-light);
    font-weight: 300;
    letter-spacing: -0.02em;
}

.section--accent .section__header h2,
.section--accent .section__header p {
    color: var(--color-light);
}

.hero {
    padding: clamp(6rem, 10vw, 9rem) 0 6rem;
    background: var(--color-dark);
}

.hero__content {
    display: grid;
    gap: 5rem;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    align-items: center;
}

.hero h1 {
    font-size: clamp(3.5rem, 7vw, 5rem);
    color: var(--color-light);
    letter-spacing: -0.03em;
    margin-bottom: 1.5rem;
    line-height: 1.1;
}

.hero__actions {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
    margin-top: 3rem;
}

.hero__gallery {
    display: grid;
    gap: 1.5rem;
}

.hero__card {
    background: var(--color-muted);
    padding: 3rem 2rem;
    border-radius: 4px;
    font-weight: 400;
    font-size: 1rem;
    box-shadow: none;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-text);
    border: 1px solid var(--color-border);
}

.hero__card--accent {
    background: var(--color-light);
    color: var(--color-dark);
    border-color: var(--color-light);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2rem;
    border-radius: 0;
    font-weight: 500;
    transition: var(--transition);
    border: 1px solid transparent;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    font-size: 0.85rem;
}

.btn--primary {
    background: var(--color-light);
    color: var(--color-dark);
}

.btn--primary:hover,
.btn--primary:focus {
    background: transparent;
    border-color: var(--color-light);
    color: var(--color-light);
}

.btn--ghost {
    border-color: var(--color-border);
    color: var(--color-light);
}

.btn--ghost:hover,
.btn--ghost:focus {
    border-color: var(--color-light);
    color: var(--color-light);
}

.btn--light {
    background: transparent;
    border-color: var(--color-light);
    color: var(--color-light);
}

.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.cards-grid--three {
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.card {
    background: var(--color-muted);
    padding: 2.5rem;
    border-radius: 4px;
    box-shadow: none;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    border: 1px solid var(--color-border);
    transition: border-color var(--transition);
}

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

.card__body h3,
.card h3 {
    margin: 0;
    font-size: 1.5rem;
    color: var(--color-light);
    font-weight: 400;
}

.card__media {
    height: 220px;
    border-radius: 2px;
    background: #222;
    filter: grayscale(100%);
    transition: filter var(--transition);
}

.card:hover .card__media {
    filter: grayscale(0%);
}

.card__link {
    font-weight: 500;
    color: var(--color-light);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-size: 0.8rem;
    margin-top: auto;
}


.product-grid {
    display: grid;
    gap: 2.5rem;
    grid-template-columns: repeat(auto-fit, minmax(300px, 360px));
    justify-content: center;
    justify-items: center;
}

.product-card {
    background: var(--color-muted);
    border-radius: 4px;
    box-shadow: none;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    padding: 0;
    max-width: 360px;
    width: 100%;
    border: 1px solid transparent;
    transition: border-color var(--transition);
}

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

.product-card__media {
    margin: 0;
    position: relative;
    overflow: hidden;
    border-radius: 4px 4px 0 0;
    aspect-ratio: 4/5;
}

.product-card__media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 500ms ease;
}

.product-card:hover .product-card__media img {
    transform: scale(1.05);
}

.product-card__name {
    margin: 0 1.5rem;
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--color-light);
    letter-spacing: 0.02em;
}

.product-card__category {
    font-weight: 500;
    color: var(--color-text);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    font-size: 0.7rem;
    margin: 1.5rem 1.5rem 0;
}

.product-card__description {
    flex: 1;
    color: var(--color-text);
    margin: 0 1.5rem;
    font-size: 0.9rem;
    line-height: 1.7;
}

.product-card__price {
    font-weight: 500;
    font-size: 1.1rem;
    margin: 0 1.5rem 1.5rem;
    color: var(--color-light);
}

.highlight {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 3rem;
    flex-wrap: wrap;
    border-top: 1px solid var(--color-border);
    padding-top: 3rem;
}

.highlight h2 {
    margin: 0 0 1rem;
    color: var(--color-light);
    font-weight: 300;
}

.highlight p {
    max-width: 460px;
    color: var(--color-text);
}

.filters {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 3rem;
    justify-content: center;
}

.filter-chip {
    padding: 0.6rem 1.5rem;
    border-radius: 0;
    border: 1px solid var(--color-border);
    background: transparent;
    font-weight: 500;
    transition: var(--transition);
    color: var(--color-text);
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 0.1em;
}

.filter-chip--active,
.filter-chip:hover,
.filter-chip:focus {
    background: var(--color-light);
    border-color: var(--color-light);
    color: var(--color-dark);
}

.empty-state {
    background: var(--color-muted);
    padding: 3rem;
    border-radius: 4px;
    text-align: center;
    color: var(--color-text);
    border: 1px solid var(--color-border);
}

.two-column {
    display: grid;
    gap: 4rem;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    align-items: start;
}

.about-card {
    background: var(--color-muted);
    padding: 3rem;
    border-radius: 4px;
    box-shadow: none;
    border: 1px solid var(--color-border);
}

.about-card ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 1.25rem;
}

.about-card li::before {
    content: '—';
    color: var(--color-light);
    font-size: 1rem;
    margin-right: 1rem;
}

.timeline {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 2rem;
}

.timeline article {
    background: var(--color-muted);
    padding: 2.5rem;
    border-radius: 4px;
    box-shadow: none;
    border: 1px solid var(--color-border);
}

.timeline__year {
    font-weight: 600;
    color: var(--color-light);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    font-size: 0.9rem;
    margin-bottom: 1rem;
    display: block;
}

.contact-layout {
    display: grid;
    gap: 4rem;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    align-items: start;
}

.contact-details ul {
    list-style: none;
    padding: 0;
    margin: 2rem 0;
    display: grid;
    gap: 1rem;
}

.contact-form {
    background: var(--color-muted);
    padding: 3rem;
    border-radius: 4px;
    box-shadow: none;
    border: 1px solid var(--color-border);
}

.form-group {
    display: grid;
    gap: 0.75rem;
    margin-bottom: 2rem;
}

input,
textarea,
select {
    padding: 1rem 1.25rem;
    border-radius: 0;
    border: 1px solid var(--color-border);
    font: inherit;
    background: var(--color-dark);
    color: var(--color-light);
    transition: border-color var(--transition);
}

input:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: var(--color-light);
}

textarea {
    resize: vertical;
}

.form-error {
    color: #ff6b6b;
    font-size: 0.85rem;
    margin-top: 0.5rem;
}

.form-alert {
    padding: 1rem 1.5rem;
    border-radius: 0;
    margin-bottom: 2rem;
    font-weight: 500;
    border: 1px solid currentColor;
}

.form-alert--success {
    background: rgba(255, 255, 255, 0.05);
    color: var(--color-light);
    border-color: var(--color-light);
}

.site-footer {
    background: #000000;
    color: var(--color-text);
    padding: 6rem 0 3rem;
    border-top: 1px solid var(--color-border);
}

.site-footer__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 3rem;
    margin-bottom: 4rem;
}

.site-footer h3 {
    color: var(--color-light);
    margin-bottom: 1.5rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    font-size: 0.9rem;
}

.site-footer ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 0.75rem;
}

.newsletter-form {
    display: flex;
    gap: 0;
    flex-wrap: wrap;
}

.newsletter-form input {
    flex: 1 1 200px;
    border-right: none;
}

.newsletter-form button {
    padding: 0.8rem 1.5rem;
    border-radius: 0;
    border: 1px solid var(--color-light);
    background: var(--color-light);
    color: var(--color-dark);
    font-weight: 600;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-size: 0.8rem;
    transition: var(--transition);
}

.newsletter-form button:hover {
    background: transparent;
    color: var(--color-light);
}

.site-footer__bottom {
    border-top: 1px solid var(--color-border);
    padding-top: 2rem;
    text-align: center;
    font-size: 0.8rem;
    color: #666;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

.image-lightbox {
    position: fixed;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    z-index: 2000;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition);
}

.image-lightbox.is-visible {
    opacity: 1;
    pointer-events: auto;
}

.image-lightbox__backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.85);
}

.image-lightbox__content {
    position: relative;
    z-index: 1;
    max-width: min(90vw, 960px);
}

.image-lightbox__content img {
    width: 100%;
    height: auto;
    display: block;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.image-lightbox__caption {
    margin-top: 1rem;
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.85rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

@media (max-width: 768px) {
    .site-nav {
        position: absolute;
        inset: 64px 0 auto;
        background: var(--color-dark);
        border-radius: 0;
        padding: 2rem;
        box-shadow: none;
        border-bottom: 1px solid var(--color-border);
        transform: translateY(-10px);
        opacity: 0;
        pointer-events: none;
        transition: var(--transition);
    }

    .site-nav ul {
        flex-direction: column;
        gap: 1.5rem;
        align-items: center;
    }

    .site-nav--open {
        opacity: 1;
        pointer-events: all;
        transform: translateY(0);
    }

    .nav-toggle {
        display: block;
    }

    .site-header .container {
        position: relative;
    }
}