:root {
    --bx-page: #ffffff;
    --bx-tile: #f4f5f7;
    --bx-tile-2: #eceef1;
    --bx-ink: #16181d;
    --bx-ink-2: #565c68;
    --bx-line: #dcdfe4;
    --bx-acc: #0f766e;
    --bx-acc-deep: #0b5b55;
    --bx-r: 20px;
    --bx-r-sm: 14px;
    --bx-max: 1200px;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    background: var(--bx-page);
    color: var(--bx-ink);
    font: 400 17px/1.65 "Inter", -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    -webkit-text-size-adjust: 100%;
}

h1, h2, h3 {
    margin: 0 0 16px;
    font-weight: 600;
    line-height: 1.18;
    letter-spacing: -0.02em;
}

h1 { font-size: clamp(2rem, 4.8vw, 3.1rem); }

h2 { font-size: clamp(1.6rem, 3.2vw, 2.15rem); }

h3 { font-size: 1.15rem; line-height: 1.3; margin-bottom: 10px; }

p { margin: 0 0 16px; }

a { color: var(--bx-acc-deep); text-decoration: underline; text-underline-offset: 3px; }

a:hover { color: var(--bx-ink); }

a:focus-visible,
button:focus-visible,
summary:focus-visible {
    outline: 2px solid var(--bx-acc);
    outline-offset: 2px;
    border-radius: 8px;
}

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

table { border-collapse: collapse; }

b { font-weight: 600; }

.bx-bar { border-bottom: 1px solid var(--bx-line); }

.bx-bar__row {
    max-width: var(--bx-max);
    margin: 0 auto;
    padding: 14px 24px;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px 24px;
}

.bx-name {
    margin-right: auto;
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: var(--bx-acc-deep);
    text-decoration: none;
}

.bx-name span {
    display: block;
    font-size: 0.72rem;
    font-weight: 400;
    letter-spacing: 0.14em;
    color: var(--bx-ink-2);
}

.bx-menu {
    display: flex;
    flex-wrap: wrap;
    gap: 2px 20px;
    font-size: 0.93rem;
}

.bx-menu a {
    display: inline-block;
    padding: 12px 0;
    min-height: 44px;
    color: var(--bx-ink-2);
    text-decoration: none;
}

.bx-menu a:hover { color: var(--bx-acc-deep); }

.bx-pill {
    display: inline-block;
    padding: 14px 28px;
    min-height: 44px;
    border: 0;
    border-radius: 999px;
    background: var(--bx-acc);
    color: #ffffff;
    font: inherit;
    font-size: 0.96rem;
    text-align: center;
    text-decoration: none;
    cursor: pointer;
    transition: transform 150ms ease, background 150ms ease;
}

.bx-pill:hover {
    background: var(--bx-acc-deep);
    color: #ffffff;
    transform: translateY(-1px);
}

.bx-pill--sm { padding: 11px 20px; font-size: 0.9rem; }

.bx-pill--lg { padding: 17px 34px; font-size: 1.04rem; }

.bx-pill--line {
    background: var(--bx-tile);
    color: var(--bx-acc-deep);
}

.bx-pill--line:hover { background: var(--bx-tile-2); color: var(--bx-ink); }

.bx-open {
    max-width: var(--bx-max);
    margin: 0 auto;
    padding: 34px 24px 20px;
}

.bx-open__grid { display: grid; gap: 16px; }

.bx-open__main {
    background: var(--bx-tile);
    border-radius: var(--bx-r);
    padding: 34px 30px;
}

.bx-open__lead {
    font-size: 1.05rem;
    color: var(--bx-ink-2);
    max-width: 54ch;
    margin-bottom: 24px;
}

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

.bx-open__who {
    margin-top: 24px;
    margin-bottom: 0;
    font-size: 0.84rem;
    color: var(--bx-ink-2);
}

.bx-open__side {
    background: var(--bx-acc);
    color: #ffffff;
    border-radius: var(--bx-r);
    padding: 30px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.bx-open__num {
    margin-bottom: 8px;
    font-size: 3rem;
    font-weight: 700;
    line-height: 1;
    letter-spacing: -0.03em;
}

.bx-open__cap { margin-bottom: 0; font-size: 0.94rem; color: #e8f4f2; }

.bx-sec {
    max-width: var(--bx-max);
    margin: 0 auto;
    padding: 44px 24px;
}

.bx-sec p { max-width: 68ch; }

.bx-sec--tint {
    max-width: calc(var(--bx-max) - 0px);
    background: var(--bx-tile);
    border-radius: var(--bx-r);
    padding: 40px 30px;
    margin-top: 12px;
    margin-bottom: 12px;
}

.bx-lede { color: var(--bx-ink-2); }

.bx-scroll {
    overflow-x: auto;
    margin-top: 22px;
    border-radius: var(--bx-r-sm);
    background: var(--bx-tile);
}

.bx-table {
    width: 100%;
    min-width: 700px;
    text-align: left;
    font-size: 0.93rem;
    line-height: 1.45;
}

.bx-table caption {
    text-align: left;
    padding: 18px 20px 6px;
    font-size: 0.78rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--bx-ink-2);
}

.bx-table th,
.bx-table td {
    padding: 13px 20px;
    vertical-align: top;
    border-bottom: 1px solid var(--bx-line);
}

.bx-table thead th {
    font-size: 0.76rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--bx-acc-deep);
}

.bx-table tbody th { font-weight: 600; }

.bx-table tbody tr:last-child th,
.bx-table tbody tr:last-child td { border-bottom: 0; }

.bx-src {
    margin-top: 12px;
    font-size: 0.85rem;
    font-style: italic;
    color: var(--bx-ink-2);
}

.bx-split { display: grid; gap: 24px; margin-top: 24px; }

.bx-split h3 {
    padding-top: 14px;
    border-top: 3px solid var(--bx-acc);
}

.bx-split p { margin-bottom: 0; color: var(--bx-ink-2); font-size: 0.97rem; }

.bx-bento { display: grid; gap: 16px; margin-top: 26px; }

.bx-tile {
    background: var(--bx-tile);
    border-radius: var(--bx-r);
    padding: 26px 24px;
}

.bx-tile p:last-child { margin-bottom: 0; color: var(--bx-ink-2); font-size: 0.95rem; }

.bx-tile__tag {
    margin-bottom: 10px;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--bx-acc-deep);
}

.bx-tile--big { padding: 34px 30px; }

.bx-tile--big h3 { font-size: 1.5rem; }

.bx-tile--big p { color: var(--bx-ink); font-size: 1rem; }

.bx-tile--big p:last-child { color: var(--bx-ink); font-size: 1rem; }

.bx-tile--acc { background: var(--bx-acc); color: #ffffff; }

.bx-tile--acc .bx-tile__tag { color: #ffffff; }

.bx-tile--acc p:last-child { color: #e8f4f2; }

.bx-flag {
    margin-top: 20px;
    padding: 20px 22px;
    background: var(--bx-page);
    border-radius: var(--bx-r-sm);
    border-left: 5px solid var(--bx-acc);
    font-size: 0.96rem;
}

.bx-calc {
    margin: 0 0 18px;
    padding: 22px 20px;
    background: var(--bx-tile);
    border-radius: var(--bx-r-sm);
    overflow-x: auto;
    font: 400 0.84rem/1.75 Menlo, Consolas, "SF Mono", monospace;
}

.bx-nope { margin: 22px 0 0; padding-left: 0; list-style: none; }

.bx-nope li {
    position: relative;
    padding: 0 0 16px 30px;
    margin-bottom: 16px;
    border-bottom: 1px solid var(--bx-line);
    color: var(--bx-ink-2);
    max-width: 68ch;
}

.bx-nope li::before {
    content: "×";
    position: absolute;
    left: 0;
    top: 0;
    color: var(--bx-acc);
    font-size: 1.1rem;
}

.bx-nope li:last-child { border-bottom: 0; margin-bottom: 0; }

.bx-nope b { color: var(--bx-ink); }

.bx-basis { margin: 22px 0 0; padding-left: 20px; color: var(--bx-ink-2); }

.bx-basis li { margin-bottom: 12px; max-width: 68ch; }

.bx-faq { display: grid; gap: 10px; margin-top: 24px; }

.bx-faq__item {
    background: var(--bx-page);
    border-radius: var(--bx-r-sm);
    padding: 2px 22px;
}

.bx-faq__item summary {
    padding: 17px 0;
    min-height: 44px;
    cursor: pointer;
    font-weight: 600;
    list-style: none;
}

.bx-faq__item summary::-webkit-details-marker { display: none; }

.bx-faq__item summary::after {
    content: "+";
    float: right;
    margin-left: 12px;
    color: var(--bx-acc);
    font-weight: 400;
}

.bx-faq__item[open] summary::after { content: "–"; }

.bx-faq__item p {
    margin: 0;
    padding-bottom: 18px;
    font-size: 0.96rem;
    color: var(--bx-ink-2);
}

.bx-end {
    max-width: var(--bx-max);
    margin: 0 auto;
    padding: 20px 24px 56px;
}

.bx-end__box {
    background: var(--bx-acc-deep);
    color: #ffffff;
    border-radius: var(--bx-r);
    padding: 56px 34px;
    text-align: center;
}

.bx-end__box p {
    color: #cfe6e3;
    max-width: 48ch;
    margin-left: auto;
    margin-right: auto;
}

.bx-end__box .bx-pill { background: #ffffff; color: var(--bx-acc-deep); }

.bx-end__box .bx-pill:hover { background: var(--bx-tile); color: var(--bx-acc-deep); }

.bx-foot {
    border-top: 1px solid var(--bx-line);
    padding-top: 44px;
    padding-bottom: 28px;
    font-size: 0.92rem;
    color: var(--bx-ink-2);
}

.bx-foot__grid {
    max-width: var(--bx-max);
    margin: 0 auto;
    padding-left: 24px;
    padding-right: 24px;
    display: grid;
    gap: 28px;
}

.bx-foot__h {
    margin-bottom: 10px;
    font-size: 0.74rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--bx-ink);
}

.bx-foot__note { font-size: 0.86rem; }

.bx-foot__ul { margin: 0; padding: 0; list-style: none; }

.bx-foot__ul a { display: inline-block; padding: 12px 0; min-height: 44px; }

.bx-foot__end {
    max-width: var(--bx-max);
    margin: 26px auto 0;
    padding: 20px 24px 0;
    border-top: 1px solid var(--bx-line);
    font-size: 0.82rem;
}

.bx-cookie {
    position: fixed;
    left: 14px;
    right: 14px;
    bottom: 14px;
    z-index: 40;
    background: var(--bx-page);
    border-radius: var(--bx-r);
    padding: 22px;
    box-shadow: 0 0 0 1px var(--bx-line), 0 18px 40px #16181d29;
}

.bx-cookie__p { margin-bottom: 14px; font-size: 0.9rem; line-height: 1.55; }

.bx-cookie__row { display: flex; flex-wrap: wrap; gap: 10px; }

.bx-cookie__row .bx-pill { flex: 1 1 auto; }

.bx-doc {
    max-width: 780px;
    margin: 0 auto;
    padding: 40px 24px 70px;
}

.bx-doc h2 { margin-top: 36px; font-size: 1.35rem; }

.bx-doc ul { padding-left: 20px; }

.bx-doc li { margin-bottom: 10px; }

.bx-doc__meta {
    padding: 16px 20px;
    border-radius: var(--bx-r-sm);
    background: var(--bx-tile);
    font-size: 0.87rem;
    color: var(--bx-ink-2);
}

.bx-up {
    opacity: 0;
    transform: translateY(14px);
    transition: opacity 450ms ease, transform 450ms ease;
}

.bx-up.is-shown { opacity: 1; transform: none; }

@media (min-width: 640px) {
    .bx-open__grid { grid-template-columns: 1.6fr 1fr; }

    .bx-split { grid-template-columns: 1fr 1fr; gap: 26px 34px; }

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

    .bx-tile--big { grid-column: span 2; }

    .bx-cookie {
        left: auto;
        right: 22px;
        bottom: 22px;
        max-width: 450px;
    }

    .bx-cookie__row .bx-pill { flex: 0 0 auto; }
}

@media (min-width: 1000px) {
    .bx-open { padding-top: 44px; }

    .bx-sec { padding-top: 60px; padding-bottom: 60px; }

    .bx-sec--tint { padding: 52px 44px; }

    .bx-bento { grid-template-columns: repeat(3, 1fr); grid-auto-rows: minmax(0, auto); }

    .bx-tile--big { grid-column: span 2; grid-row: span 2; }

    .bx-tile--wide { grid-row: span 2; }

    .bx-foot__grid { grid-template-columns: 1.2fr 1fr 1fr; }
}

@media (prefers-reduced-motion: reduce) {
    * { transition: none !important; animation: none !important; }

    .bx-up { opacity: 1; transform: none; }
}