:root {
    color-scheme: light dark;
    --background: #f5f8fb;
    --surface: rgba(255, 255, 255, 0.84);
    --surface-solid: #ffffff;
    --text: #17202a;
    --muted: #5f6b76;
    --line: rgba(23, 32, 42, 0.12);
    --brand: #129f91;
    --brand-dark: #08776e;
    --brand-soft: #dff6f2;
    --shadow: 0 24px 70px rgba(27, 57, 75, 0.12);
    --radius: 24px;
    --content: 1120px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    min-height: 100vh;
    margin: 0;
    background:
        radial-gradient(circle at 8% 0%, rgba(18, 159, 145, 0.16), transparent 30rem),
        radial-gradient(circle at 100% 20%, rgba(65, 105, 225, 0.1), transparent 28rem),
        var(--background);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    font-size: 17px;
    line-height: 1.65;
}

a {
    color: var(--brand-dark);
    text-underline-offset: 0.18em;
}

img {
    max-width: 100%;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 10;
    border-bottom: 1px solid var(--line);
    background: rgba(245, 248, 251, 0.82);
    backdrop-filter: blur(18px);
}

.nav {
    display: flex;
    width: min(calc(100% - 40px), var(--content));
    min-height: 72px;
    margin: 0 auto;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.brand {
    color: var(--text);
    font-size: 1.15rem;
    font-weight: 800;
    letter-spacing: 0.04em;
    text-decoration: none;
}

.brand span {
    color: var(--brand);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 20px;
    font-size: 0.94rem;
}

.nav-links a {
    color: var(--muted);
    font-weight: 650;
    text-decoration: none;
}

.nav-links a:hover,
.nav-links a:focus-visible {
    color: var(--brand-dark);
}

main {
    width: min(calc(100% - 40px), var(--content));
    margin: 0 auto;
}

.hero {
    display: grid;
    min-height: 650px;
    padding: 84px 0 64px;
    align-items: center;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 64px;
}

.eyebrow {
    margin: 0 0 12px;
    color: var(--brand-dark);
    font-size: 0.83rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

h1,
h2,
h3 {
    margin-top: 0;
    line-height: 1.13;
}

h1 {
    max-width: 820px;
    margin-bottom: 24px;
    font-size: clamp(3rem, 7vw, 5.8rem);
    letter-spacing: -0.055em;
}

h2 {
    margin-bottom: 18px;
    font-size: clamp(2rem, 4vw, 3.2rem);
    letter-spacing: -0.035em;
}

h3 {
    margin-bottom: 10px;
    font-size: 1.25rem;
}

.lead {
    max-width: 700px;
    margin: 0 0 30px;
    color: var(--muted);
    font-size: clamp(1.12rem, 2vw, 1.35rem);
}

.actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.button {
    display: inline-flex;
    min-height: 48px;
    padding: 11px 20px;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: var(--surface-solid);
    color: var(--text);
    font-weight: 750;
    text-decoration: none;
    transition: transform 160ms ease, box-shadow 160ms ease;
}

.button.primary {
    border-color: var(--brand);
    background: var(--brand);
    color: #ffffff;
}

.button:hover,
.button:focus-visible {
    box-shadow: 0 10px 28px rgba(18, 159, 145, 0.18);
    transform: translateY(-2px);
}

.hero-art {
    position: relative;
    display: grid;
    min-height: 420px;
    place-items: center;
}

.hero-art::before {
    position: absolute;
    width: 360px;
    height: 360px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(18, 159, 145, 0.3), rgba(65, 105, 225, 0.13));
    content: "";
    filter: blur(1px);
}

.app-icon {
    position: relative;
    width: min(300px, 72vw);
    border-radius: 25%;
    box-shadow: var(--shadow);
}

.section {
    padding: 80px 0;
}

.section-heading {
    max-width: 720px;
    margin-bottom: 34px;
}

.grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}

.card {
    padding: 28px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface);
    box-shadow: 0 12px 45px rgba(27, 57, 75, 0.06);
}

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

.app-card {
    display: grid;
    padding: 34px;
    align-items: center;
    grid-template-columns: 120px 1fr;
    gap: 28px;
}

.app-card img {
    border-radius: 25%;
    box-shadow: 0 14px 36px rgba(27, 57, 75, 0.16);
}

.screenshot-gallery {
    display: grid;
    padding: 8px 2px 28px;
    grid-auto-columns: minmax(220px, 25%);
    grid-auto-flow: column;
    gap: 22px;
    overflow-x: auto;
    overscroll-behavior-inline: contain;
    scroll-snap-type: inline mandatory;
    scrollbar-color: var(--brand) transparent;
}

.screenshot-gallery figure {
    margin: 0;
    scroll-snap-align: start;
}

.screenshot-gallery img {
    display: block;
    width: 100%;
    height: auto;
    border: 1px solid var(--line);
    border-radius: 26px;
    background: var(--surface-solid);
    box-shadow: 0 18px 45px rgba(27, 57, 75, 0.14);
}

.gallery-hint {
    color: var(--muted);
    font-size: 0.92rem;
}

.language-block {
    scroll-margin-top: 100px;
}

.language-block + .language-block {
    margin-top: 72px;
    padding-top: 72px;
    border-top: 1px solid var(--line);
}

.legal {
    max-width: 840px;
    padding: 64px 0 96px;
}

.legal h1 {
    font-size: clamp(2.5rem, 6vw, 4.3rem);
}

.legal h2 {
    margin-top: 46px;
    font-size: 1.65rem;
}

.legal h3 {
    margin-top: 32px;
}

.legal-note {
    padding: 18px 22px;
    border: 1px solid #e6a23c;
    border-radius: 16px;
    background: rgba(230, 162, 60, 0.12);
}

.placeholder {
    padding: 0.1em 0.3em;
    border-radius: 4px;
    background: rgba(230, 162, 60, 0.2);
    color: #8a5000;
    font-weight: 750;
}

.facts {
    display: flex;
    flex-wrap: wrap;
    margin: 26px 0 0;
    padding: 0;
    gap: 10px;
    list-style: none;
}

.facts li {
    padding: 7px 12px;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: var(--surface);
    color: var(--muted);
    font-size: 0.9rem;
    font-weight: 700;
}

.site-footer {
    border-top: 1px solid var(--line);
}

.footer-inner {
    display: flex;
    width: min(calc(100% - 40px), var(--content));
    min-height: 120px;
    margin: 0 auto;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
    color: var(--muted);
    font-size: 0.9rem;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}

.footer-links a {
    color: inherit;
}

@media (max-width: 820px) {
    .nav-links a:not(.language-link) {
        display: none;
    }

    .hero {
        min-height: auto;
        padding-top: 56px;
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .hero-art {
        min-height: 330px;
    }

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

    .app-card {
        grid-template-columns: 84px 1fr;
    }

    .screenshot-gallery {
        grid-auto-columns: minmax(210px, 74%);
    }

    .footer-inner {
        padding: 28px 0;
        align-items: flex-start;
        flex-direction: column;
    }
}

@media (prefers-color-scheme: dark) {
    :root {
        --background: #0d1518;
        --surface: rgba(22, 34, 39, 0.86);
        --surface-solid: #162227;
        --text: #edf6f5;
        --muted: #a9b8ba;
        --line: rgba(237, 246, 245, 0.13);
        --brand: #24b8aa;
        --brand-dark: #6bd7cd;
        --brand-soft: #143b38;
        --shadow: 0 24px 70px rgba(0, 0, 0, 0.36);
    }

    .site-header {
        background: rgba(13, 21, 24, 0.82);
    }

    .placeholder {
        color: #ffd58d;
    }
}

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

    .button {
        transition: none;
    }
}