:root {
    --bg: #f4f5f7;
    --bg-elev: #ffffff;
    --ink: #1f2328;
    --muted: #5c6570;
    --line: #dfe3e8;
    --accent: #c45c26;
    --btn: #1f2328;
    --btn-text: #ffffff;
    --radius: 16px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background: var(--bg);
    color: var(--ink);
    font-family: Arial, Helvetica, sans-serif;
    font-size: 16px;
    line-height: 1.5;
}

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

a {
    color: inherit;
}

.skip-link {
    position: absolute;
    left: 1rem;
    top: -3rem;
    padding: 0.5rem 0.75rem;
    background: var(--ink);
    color: #fff;
    z-index: 10;
}

.skip-link:focus {
    top: 1rem;
}

.wrap {
    width: min(1080px, calc(100% - 2rem));
    margin-inline: auto;
}

.site-header {
    background: #fff;
    border-bottom: 1px solid var(--line);
}

.header-inner,
.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    min-height: 64px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    text-decoration: none;
    font-size: 1.05rem;
    font-weight: 700;
}

.brand img {
    width: 32px;
    height: 32px;
    border-radius: 8px;
}

.site-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.site-nav a {
    text-decoration: none;
    color: var(--muted);
    padding: 0.4rem 0.75rem;
    border-radius: 8px;
    font-size: 0.95rem;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
    color: var(--ink);
    background: var(--bg);
}

main {
    flex: 1;
}

.hero {
    padding: 2.2rem 0 1.4rem;
}

.hero h1 {
    margin: 0 0 0.5rem;
    font-size: 1.75rem;
    font-weight: 700;
    line-height: 1.25;
}

.hero p {
    margin: 0;
    max-width: 40rem;
    color: var(--muted);
}

.grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
    padding-bottom: 2.5rem;
}

.card {
    display: flex;
    flex-direction: column;
    background: var(--bg-elev);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    overflow: hidden;
}

.card-body {
    display: flex;
    flex-direction: column;
    flex: 1;
    padding: 1.15rem 1.15rem 0.85rem;
}

.card-top {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 0.85rem;
}

.card-icon {
    width: 56px;
    height: 56px;
    border-radius: 14px;
}

.card-kind {
    font-size: 0.75rem;
    color: var(--muted);
    background: var(--bg);
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: 0.15rem 0.55rem;
}

.card-meta {
    margin: 0 0 0.2rem;
    color: var(--muted);
    font-size: 0.85rem;
}

.card h2 {
    margin: 0 0 0.4rem;
    font-size: 1.2rem;
    font-weight: 700;
}

.card-body > p:last-of-type {
    margin: 0;
    color: var(--muted);
    font-size: 0.95rem;
    flex: 1;
}

.card-bar {
    display: flex;
    padding: 0.75rem 1.15rem 1.05rem;
    border-top: 1px solid var(--line);
    background: #fafbfc;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 40px;
    padding: 0.45rem 1rem;
    border-radius: 8px;
    background: var(--btn);
    color: var(--btn-text);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 700;
    border: 0;
}

.btn:hover {
    background: #333a42;
}

.btn-disabled {
    background: #c5cad1;
    color: #fff;
    cursor: default;
}

.card-soon {
    opacity: 0.85;
}

.page-hero {
    padding: 1.8rem 0 1.2rem;
}

.page-hero .panel-head {
    margin-bottom: 0.45rem;
}

.page-hero h1 {
    margin: 0 0 0.45rem;
    font-size: 1.6rem;
    font-weight: 700;
}

.page-hero .panel-head h1 {
    margin: 0;
}

.page-hero p {
    margin: 0;
    max-width: 40rem;
    color: var(--muted);
}

.stack {
    display: grid;
    gap: 1rem;
    padding-bottom: 2.5rem;
}

.panel {
    padding: 1.2rem;
    background: var(--bg-elev);
    border: 1px solid var(--line);
    border-radius: var(--radius);
}

.panel-head {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.55rem;
}

.panel-head img {
    width: 44px;
    height: 44px;
    border-radius: 10px;
}

.panel h2 {
    margin: 0;
    font-size: 1.15rem;
    font-weight: 700;
}

.panel p {
    margin: 0 0 0.75rem;
    color: var(--muted);
}

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

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

.list li + li {
    margin-top: 0.7rem;
}

.back {
    display: inline-block;
    margin: 0 0 0.85rem;
    color: var(--muted);
    text-decoration: none;
    font-size: 0.95rem;
}

.back:hover {
    color: var(--ink);
}

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

.footer-brand {
    margin: 0;
    font-size: 0.95rem;
    font-weight: 700;
}

.footer-note {
    margin: 0;
    color: var(--muted);
    font-size: 0.9rem;
}

@media (max-width: 720px) {
    .header-inner,
    .footer-inner {
        flex-direction: column;
        align-items: flex-start;
        padding-block: 0.85rem;
    }

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

    .btn {
        width: 100%;
    }
}