:root {
    color-scheme: dark;
    --landing-bg: #0b0d11;
    --landing-overlay: rgba(8, 12, 21, 0.62);
    --landing-overlay-strong: rgba(8, 12, 21, 0.78);
    --landing-accent: #6c8bff;
    --landing-accent-strong: #4f6cff;
    --landing-text: #f4f7ff;
    --landing-muted: #b5bedc;
    --landing-highlight: rgba(111, 140, 255, 0.14);
    --landing-border: rgba(255, 255, 255, 0.08);
    --landing-shadow: 0 24px 60px rgba(7, 12, 28, 0.45);
    --landing-transition: 1.4s ease;
    --landing-tile-size: 180px;
}

* {
    box-sizing: border-box;
}

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

body.landing {
    margin: 0;
    min-height: 100vh;
    font-family: 'Manrope', 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
    background: var(--landing-bg);
    color: var(--landing-text);
    overflow-x: hidden;
}

.landing__mosaic {
    position: fixed;
    inset: 0;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: flex-start;
    min-height: 100vh;
    gap: 0;
    filter: saturate(115%);
    pointer-events: none;
    overflow: hidden;
    background: radial-gradient(circle at top left, rgba(108, 139, 255, 0.25), transparent 42%),
                radial-gradient(circle at bottom right, rgba(255, 255, 255, 0.12), transparent 48%),
                var(--landing-bg);
}

.landing__mosaic::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(8, 14, 26, 0.55) 0%, rgba(8, 14, 26, 0.28) 55%, rgba(8, 14, 26, 0.58) 100%);
    mix-blend-mode: multiply;
    z-index: 1;
}

.landing__lane {
    display: flex;
    flex-wrap: nowrap;
    gap: 0;
    will-change: transform;
    transform: translate3d(0, 0, 0);
    min-width: 100%;
    z-index: 0;
}

.landing__lane:nth-child(even) .landing__tile::after {
    background: linear-gradient(200deg, rgba(16, 22, 36, 0.48), rgba(16, 22, 36, 0.08));
}

.landing__tile {
    position: relative;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.04);
    flex: 0 0 var(--landing-tile-size);
    width: var(--landing-tile-size);
    height: var(--landing-tile-size);
}

.landing__tile::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(160deg, rgba(16, 22, 36, 0.55), rgba(16, 22, 36, 0.1));
    transition: opacity 0.8s ease;
    opacity: 0;
    z-index: 1;
}

.landing__tile[data-empty="1"]::after {
    opacity: 1;
}

.landing__image {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: scale(1.03);
    opacity: 0;
    transition: opacity var(--landing-transition), transform 18s linear;
    z-index: 2;
    will-change: opacity;
    filter: contrast(1.08) saturate(1.15);
}

.landing__image.is-visible {
    opacity: 1;
}

.landing__image.is-visible:not(.is-static) {
    transform: scale(1.12);
}

.landing__overlay {
    position: relative;
    z-index: 2;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    padding: clamp(1.8rem, 3.6vw, 3.5rem) clamp(1.4rem, 4vw, 4.5rem);
    background: linear-gradient(135deg, rgba(8, 12, 21, 0.6), rgba(8, 12, 21, 0.3));
    backdrop-filter: blur(8px);
}

.landing__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1.5rem;
    margin-bottom: clamp(3rem, 8vw, 6rem);
}

.landing__brand {
    font-family: 'Playfair Display', 'Georgia', serif;
    font-size: clamp(1.4rem, 2.4vw, 2.2rem);
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.landing__nav {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.landing__nav-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.65rem 1.4rem;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: var(--landing-text);
    text-decoration: none;
    font-weight: 500;
    letter-spacing: 0.02em;
    transition: background 0.3s ease, transform 0.3s ease, border-color 0.3s ease;
}

.landing__nav-link:hover,
.landing__nav-link:focus-visible {
    border-color: rgba(255, 255, 255, 0.4);
    transform: translateY(-1px);
}

.landing__nav-link--accent {
    background: linear-gradient(135deg, var(--landing-accent), var(--landing-accent-strong));
    border: none;
    box-shadow: 0 12px 32px rgba(108, 139, 255, 0.35);
}

.language-switcher {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.45rem 0.9rem;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.08);
    color: var(--landing-text);
    font-weight: 500;
}

.language-switcher::after {
    content: '▾';
    position: absolute;
    right: 0.75rem;
    font-size: 0.7rem;
    opacity: 0.8;
    pointer-events: none;
}

.language-switcher select {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background: transparent;
    border: none;
    color: inherit;
    font: inherit;
    cursor: pointer;
    padding-right: 1.8rem;
    min-width: 6.5rem;
}

.language-switcher select:focus {
    outline: none;
}

.language-switcher option {
    color: #0b0d11;
}

.language-switcher:focus-within {
    box-shadow: 0 0 0 2px rgba(108, 139, 255, 0.45);
}

.language-switcher__submit {
    margin-left: 0.5rem;
    padding: 0.4rem 0.9rem;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.35);
    background: transparent;
    color: inherit;
    font: inherit;
    cursor: pointer;
}

.landing__eyebrow {
    font-weight: 600;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--landing-muted);
    margin: 0 0 1.2rem 0;
}

.landing__title {
    font-family: 'Playfair Display', 'Georgia', serif;
    font-size: clamp(2.4rem, 5vw, 3.9rem);
    line-height: 1.1;
    margin: 0 0 1.6rem 0;
    text-shadow: 0 18px 48px rgba(0, 0, 0, 0.45);
}

.landing__lead {
    max-width: 720px;
    margin: 0 0 2.8rem 0;
    font-size: clamp(1.05rem, 2.2vw, 1.25rem);
    line-height: 1.7;
    color: rgba(240, 244, 255, 0.85);
}

.landing__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: clamp(2.4rem, 6vw, 4.5rem);
}

.landing__action {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.95rem 2.4rem;
    border-radius: 999px;
    font-weight: 600;
    font-size: 1rem;
    letter-spacing: 0.01em;
    text-decoration: none;
    transition: transform 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
}

.landing__action--primary {
    background: linear-gradient(135deg, var(--landing-accent), var(--landing-accent-strong));
    color: #fff;
    box-shadow: 0 18px 38px rgba(80, 112, 255, 0.35);
}

.landing__action--primary:hover,
.landing__action--primary:focus-visible {
    transform: translateY(-2px);
    box-shadow: 0 24px 44px rgba(80, 112, 255, 0.45);
}

.landing__action--ghost {
    border: 1px solid rgba(255, 255, 255, 0.24);
    color: var(--landing-text);
    background: rgba(255, 255, 255, 0.04);
}

.landing__action--ghost:hover,
.landing__action--ghost:focus-visible {
    background: rgba(255, 255, 255, 0.12);
    transform: translateY(-2px);
}

.landing__highlights {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: clamp(1.5rem, 3vw, 2.5rem);
}

.landing__highlight {
    background: rgba(10, 14, 28, 0.55);
    border-radius: 20px;
    padding: 1.8rem;
    border: 1px solid var(--landing-border);
    box-shadow: var(--landing-shadow);
    backdrop-filter: blur(18px);
    transition: transform 0.35s ease, border-color 0.35s ease;
}

.landing__highlight:hover,
.landing__highlight:focus-within {
    transform: translateY(-4px);
    border-color: rgba(255, 255, 255, 0.25);
}

.landing__highlight h2 {
    margin: 0 0 0.75rem 0;
    font-size: 1.3rem;
    font-weight: 600;
}

.landing__highlight p {
    margin: 0;
    color: rgba(228, 232, 248, 0.85);
    line-height: 1.6;
}

.landing__footer {
    margin-top: auto;
    padding-top: clamp(3rem, 7vw, 5rem);
    font-size: 0.95rem;
    color: var(--landing-muted);
    max-width: 640px;
}

.landing__copyright {
    margin-top: 1.5rem;
    font-size: 0.85rem;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    color: rgba(226, 230, 247, 0.7);
}

.landing__copyright a {
    color: inherit;
    text-decoration: none;
    border-bottom: 1px solid rgba(226, 230, 247, 0.35);
    padding-bottom: 0.1rem;
    transition: color 0.3s ease, border-color 0.3s ease;
}

.landing__copyright a:hover,
.landing__copyright a:focus-visible {
    color: var(--landing-text);
    border-color: rgba(226, 230, 247, 0.75);
}

@media (max-width: 960px) {
    .landing__header {
        flex-direction: column;
        align-items: flex-start;
    }

    .landing__nav {
        width: 100%;
        justify-content: flex-start;
    }

    .landing__nav-link {
        padding: 0.6rem 1.2rem;
    }

    :root {
        --landing-tile-size: 150px;
    }
}

@media (max-width: 640px) {
    .landing__overlay {
        padding: 1.8rem;
    }

    .landing__header {
        margin-bottom: 2.5rem;
    }

    .landing__title {
        font-size: clamp(2rem, 8vw, 2.6rem);
    }

    .landing__actions {
        flex-direction: column;
        align-items: stretch;
    }

    .landing__action {
        width: 100%;
    }

    :root {
        --landing-tile-size: 120px;
    }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        transition-duration: 0.001ms !important;
        animation-duration: 0.001ms !important;
    }

    .landing__image {
        transform: none;
    }
}