:root {
    --bg: #f3f7f9;
    --surface: #ffffff;
    --text: #1a2d38;
    --muted: #5d7482;
    --border: #d8e3e8;
    --brand: #0f7d96;
    --brand-strong: #0a5a6d;
    --accent: #ffb347;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    background: radial-gradient(circle at top right, #d8ecf2 0%, var(--bg) 55%);
    color: var(--text);
    font-family: "Space Grotesk", "Segoe UI", sans-serif;
    line-height: 1.5;
}

a {
    color: var(--brand-strong);
}

.site-shell {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.topbar {
    background: linear-gradient(90deg, #0f3e4f, #0d6a80);
    color: #fff;
    border-bottom: 2px solid rgba(255, 255, 255, 0.15);
}

.topbar-inner {
    max-width: 1120px;
    margin: 0 auto;
    padding: 0.9rem 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.brand {
    color: #fff;
    text-decoration: none;
    font-weight: 700;
    letter-spacing: 0.02em;
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
}

.brand:hover {
    color: #fff;
}

.brand-mark {
    width: 1.9rem;
    height: 1.9rem;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--accent);
    color: #1c2e39;
    font-size: 0.72rem;
    font-weight: 700;
}

.topnav {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: flex-end;
    gap: 0.25rem;
}

.topnav a {
    color: rgba(255, 255, 255, 0.92);
    text-decoration: none;
    padding: 0.45rem 0.7rem;
    border-radius: 999px;
    font-size: 0.92rem;
}

.topnav a:hover,
.topnav a.active {
    background: rgba(255, 255, 255, 0.2);
}

.page {
    width: min(1120px, 100% - 2rem);
    margin: 1.1rem auto 1.7rem;
    flex: 1;
}

.hero {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 1rem;
    margin-bottom: 1rem;
}

.hero-main,
.hero-side {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 1rem 1.05rem;
}

.hero-main h1 {
    margin: 0.2rem 0 0.55rem;
    font-size: 1.9rem;
    line-height: 1.22;
}

.hero-main p,
.hero-side p {
    margin: 0;
    color: var(--muted);
}

.hero-side h2 {
    margin: 0 0 0.5rem;
    font-size: 1.05rem;
}

.eyebrow {
    display: inline-block;
    color: var(--brand-strong);
    background: #dff1f7;
    padding: 0.24rem 0.58rem;
    border-radius: 999px;
    letter-spacing: 0.08em;
    font-size: 0.74rem;
    font-weight: 700;
}

.grid {
    display: grid;
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 1rem;
}

.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 0.9rem 1rem;
}

.span-12 {
    grid-column: span 12;
}

.span-8 {
    grid-column: span 8;
}

.span-6 {
    grid-column: span 6;
}

.span-4 {
    grid-column: span 4;
}

.card h3 {
    margin: 0 0 0.55rem;
    font-size: 1.08rem;
}

.card-link {
    color: inherit;
    text-decoration: none;
    display: block;
    height: 100%;
}

.card-link:hover .api-card {
    border-color: #8cb8ca;
    box-shadow: 0 8px 18px rgba(16, 65, 88, 0.08);
    transform: translateY(-1px);
}

.api-card {
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.api-card .badge-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
    margin: 0.35rem 0 0.55rem;
}

.list {
    margin: 0;
    padding-left: 1.12rem;
}

.list li {
    margin-bottom: 0.36rem;
}

.small {
    margin-top: 0.55rem;
    font-size: 0.92rem;
    color: var(--muted);
}

.chip-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.42rem;
}

.chip {
    padding: 0.2rem 0.46rem;
    border-radius: 999px;
    font-size: 0.78rem;
    background: #edf4f6;
    border: 1px solid #d5e2e8;
}

.chip.ok {
    background: #e6f4f7;
}

.chip.warn {
    background: #fff1db;
}

.chip.info {
    background: #e9f2fb;
    color: #184b74;
}

.code {
    background: #122734;
    color: #dcf5ff;
    border-radius: 9px;
    padding: 0.62rem 0.72rem;
    overflow-x: auto;
    font-size: 0.91rem;
}

.method {
    font-size: 0.76rem;
    padding: 0.15rem 0.35rem;
    border-radius: 4px;
    margin-right: 0.35rem;
    color: #fff;
    display: inline-block;
}

.method.get {
    background: #2b8f76;
}

.notice {
    margin-top: 0.62rem;
    background: #ecf5f8;
    border-left: 3px solid var(--brand);
    padding: 0.62rem;
    border-radius: 7px;
}

.btn-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.55rem;
}

.btn {
    display: inline-block;
    text-decoration: none;
    border-radius: 8px;
    padding: 0.48rem 0.78rem;
    font-size: 0.91rem;
    border: 1px solid transparent;
}

.btn-primary {
    background: var(--brand);
    color: #fff;
}

.btn-primary:hover {
    background: #0c6b80;
    color: #fff;
}

.btn-secondary {
    background: #fff;
    color: var(--brand-strong);
    border-color: #bcd2db;
}

.btn-secondary:hover {
    background: #f0f6f9;
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.92rem;
}

th,
td {
    border-bottom: 1px solid #e2ecf0;
    text-align: left;
    vertical-align: top;
    padding: 0.42rem 0.3rem;
}

th {
    color: #243f4d;
}

.footer {
    border-top: 1px solid #cadce3;
    text-align: center;
    padding: 1rem;
    color: #4f6675;
    font-size: 0.9rem;
}

@media (max-width: 900px) {
    .hero {
        grid-template-columns: 1fr;
    }

    .span-8,
    .span-6,
    .span-4 {
        grid-column: span 12;
    }
}

@media (max-width: 720px) {
    .topbar-inner {
        align-items: flex-start;
        flex-direction: column;
    }

    .topnav {
        justify-content: flex-start;
    }
}