:root {
    --ink: #1d2b3a;
    --muted: #596675;
    --accent: #245d91;
    --line: #dde3e8;
    --surface: #f5f7f9;
    --code: #152638;
    --container: 1100px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-padding-top: 24px;
}

body {
    margin: 0;
    color: var(--ink);
    background: #ffffff;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    font-size: 16px;
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
}

button,
input,
select,
textarea {
    font: inherit;
}

a {
    color: var(--accent);
    text-underline-offset: 3px;
}

a:hover {
    text-decoration-thickness: 2px;
}

:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 4px;
}

img,
svg {
    display: block;
}

h1,
h2,
h3,
p,
dl {
    margin: 0;
}

h1,
h2,
h3 {
    font-weight: 600;
    line-height: 1.25;
}

h1 {
    margin-top: 12px;
    font-size: clamp(2.15rem, 4.5vw, 3rem);
    letter-spacing: -0.035em;
}

h2 {
    font-size: 1.6rem;
    letter-spacing: -0.025em;
}

h3 {
    font-size: 1rem;
}

p {
    color: var(--muted);
}

code,
pre {
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: 0.82rem;
}

.container {
    width: min(calc(100% - 64px), var(--container));
    margin: 0 auto;
}

.skip-link {
    position: fixed;
    z-index: 100;
    top: 10px;
    left: 10px;
    padding: 10px 16px;
    color: var(--ink);
    background: #ffffff;
    transform: translateY(-160%);
}

.skip-link:focus {
    transform: translateY(0);
}

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

.header-inner {
    min-height: 80px;
    display: flex;
    align-items: center;
    gap: 24px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--ink);
    font-size: 1.08rem;
    font-weight: 600;
    text-decoration: none;
    white-space: nowrap;
}

.brand-icon {
    width: 36px;
    height: 36px;
    flex: 0 0 auto;
    filter: brightness(0);
}

.main-nav {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 24px;
    margin-left: auto;
}

.main-nav a {
    padding: 8px 0;
    color: var(--muted);
    font-size: 0.85rem;
    text-decoration: none;
}

.main-nav a:hover {
    color: var(--accent);
    text-decoration: underline;
}

.intro {
    padding: 60px 0 0;
}

.eyebrow {
    color: var(--accent);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.09em;
    text-transform: uppercase;
}

.intro-lead {
    margin-top: 18px;
    color: var(--ink);
    font-size: 1.25rem;
}

.intro-description {
    margin-top: 12px;
}

.interface-summary {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 24px;
    margin-top: 36px;
    padding: 22px 24px;
    border: 1px solid var(--line);
    border-radius: 6px;
    background: var(--surface);
}

.interface-summary dt {
    color: var(--muted);
    font-size: 0.75rem;
}

.interface-summary dd {
    margin: 4px 0 0;
    font-size: 0.9rem;
    font-weight: 500;
}

.section {
    padding: 48px 0;
    border-bottom: 1px solid var(--line);
}

.section-heading {
    margin-bottom: 28px;
}

.section-heading p {
    margin-top: 16px;
    font-size: 0.94rem;
}

.section-grid {
    display: grid;
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    align-items: start;
    gap: 56px;
}

.section-grid > .section-heading {
    margin: 0;
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip-path: inset(50%);
    white-space: nowrap;
}

.endpoint-bar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px 18px;
    padding: 18px 20px;
    border: 1px solid var(--line);
    border-radius: 6px;
    background: var(--surface);
}

.method-label {
    flex-shrink: 0;
    color: var(--accent);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.03em;
}

.endpoint-bar > code {
    min-width: 0;
    overflow-wrap: anywhere;
}

.endpoint-format {
    margin-left: auto;
    color: var(--muted);
    font-size: 0.75rem;
}

.reference-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 28px;
    padding: 20px 0 24px;
    border-bottom: 1px solid var(--line);
    font-size: 0.81rem;
}

.reference-section {
    padding: 36px 0;
    border-bottom: 1px solid var(--line);
}

.reference-heading {
    margin-bottom: 24px;
}

.reference-heading h3 {
    font-size: 1.2rem;
    letter-spacing: -0.015em;
}

.reference-heading > p {
    margin-top: 10px;
    font-size: 0.88rem;
}

.reference-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
    align-items: start;
    gap: 40px;
}

.reference-grid > * {
    min-width: 0;
}

.reference-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.87rem;
    text-align: left;
}

.reference-table th,
.reference-table td {
    padding: 18px 0;
    border-bottom: 1px solid var(--line);
    vertical-align: top;
}

.reference-table th {
    padding-right: 20px;
    font-weight: 500;
}

.reference-table th:first-child {
    width: 28%;
}

.reference-table thead th {
    padding-top: 0;
    padding-bottom: 12px;
    color: var(--muted);
    font-size: 0.75rem;
    font-weight: 400;
}

.reference-table th > code {
    font-weight: 600;
}

.reference-table td {
    color: var(--ink);
}

.field-type,
.field-detail {
    display: block;
    margin-top: 5px;
    color: var(--muted);
    font-weight: 400;
}

.field-type {
    font-size: 0.72rem;
}

.field-detail {
    font-size: 0.8rem;
}

.field-values {
    display: grid;
    gap: 5px;
    margin-top: 10px;
    color: var(--muted);
    font-size: 0.8rem;
}

.field-values > div {
    display: grid;
    grid-template-columns: 28px minmax(0, 1fr);
    gap: 8px;
}

.field-values dt {
    color: var(--ink);
}

.field-values dd {
    margin: 0;
}

.note {
    margin-top: 18px;
    font-size: 0.81rem;
    line-height: 1.7;
}

.reference-note {
    margin-top: 20px;
    padding: 14px 18px;
    border-left: 2px solid var(--accent);
    color: var(--ink);
    background: var(--surface);
    font-size: 0.81rem;
}

.code-window {
    min-width: 0;
    overflow: hidden;
    border: 1px solid var(--code);
    border-radius: 6px;
    color: #e4eaf0;
    background: var(--code);
}

.code-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 4px 16px;
    padding: 12px 20px;
    border-bottom: 1px solid #344353;
    color: #bac7d4;
    font-size: 0.75rem;
}

.code-window pre {
    overflow-wrap: anywhere;
    white-space: pre-wrap;
    margin: 0;
    padding: 22px 20px;
    line-height: 1.9;
}

.code-key {
    color: #a8d4ef;
}

.code-number {
    color: #e7c992;
}

.response-variant {
    border-top: 1px solid #344353;
}

.response-variant summary {
    padding: 14px 20px;
    color: #d3e6f6;
    font-size: 0.8rem;
    cursor: pointer;
}

.response-variant summary:hover {
    background: #203447;
}

.response-variant summary:focus-visible {
    outline-color: #a8d4ef;
    outline-offset: -4px;
}

.response-variant[open] summary {
    border-bottom: 1px solid #344353;
}

.http-statuses {
    display: grid;
    gap: 12px;
    margin-top: 20px;
    padding-top: 18px;
    border-top: 1px solid var(--line);
    font-size: 0.79rem;
}

.http-statuses > div {
    display: grid;
    grid-template-columns: 36px minmax(0, 1fr);
    gap: 10px;
}

.http-statuses dd {
    margin: 0;
    color: var(--muted);
}

.optional-table th:first-child {
    width: 31%;
}

.intensity-reference {
    margin-top: 34px;
}

.intensity-reference > p {
    margin-top: 8px;
    font-size: 0.84rem;
}

.intensity-levels {
    display: grid;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 1px;
    overflow: hidden;
    margin: 16px 0 0;
    padding: 1px;
    border-radius: 5px;
    list-style: none;
    background: var(--line);
}

.intensity-levels li {
    display: flex;
    align-items: baseline;
    gap: 14px;
    padding: 12px 16px;
    background: var(--surface);
    font-size: 0.8rem;
    font-variant-numeric: tabular-nums;
    white-space: nowrap;
}

.intensity-levels li > span {
    min-width: 16px;
    color: var(--muted);
    font-size: 0.73rem;
}

.intensity-levels strong {
    font-weight: 500;
}

.intensity-levels small {
    color: var(--muted);
    font-size: 0.7rem;
    font-weight: 400;
}

.integration-options p {
    margin-top: 10px;
    font-size: 0.9rem;
}

.mcp-option {
    margin-top: 26px;
    padding: 22px;
    border-left: 3px solid var(--accent);
    background: var(--surface);
}

.option-heading {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px;
}

.label {
    padding: 1px 7px;
    border: 1px solid #c8d3de;
    border-radius: 4px;
    color: var(--muted);
    font-size: 0.71rem;
}

.access-section {
    padding-bottom: 64px;
    border: 0;
}

.contact-email {
    display: inline-block;
    margin-top: 22px;
    font-size: 0.95rem;
}

.access-copy .note {
    font-size: 0.81rem;
}

.access-form {
    display: grid;
    gap: 18px;
    padding: 26px;
    border: 1px solid var(--line);
    border-radius: 6px;
    background: var(--surface);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
}

.access-form label {
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 6px;
    font-size: 0.8rem;
    font-weight: 500;
}

.access-form label > span {
    color: var(--muted);
    font-size: 0.75rem;
    font-weight: 400;
}

.access-form input,
.access-form select,
.access-form textarea {
    width: 100%;
    min-width: 0;
    min-height: 44px;
    padding: 9px 11px;
    border: 1px solid #bac5cf;
    border-radius: 4px;
    color: var(--ink);
    background: #ffffff;
    font-size: 0.88rem;
    font-weight: 400;
}

.access-form textarea {
    resize: vertical;
}

.access-form input::placeholder,
.access-form textarea::placeholder {
    color: #6a7682;
    opacity: 1;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    min-height: 44px;
    padding: 10px 16px;
    border: 1px solid var(--accent);
    border-radius: 4px;
    color: #ffffff;
    background: var(--accent);
    font-size: 0.88rem;
    font-weight: 500;
    cursor: pointer;
}

.button:hover {
    background: #1b4c79;
}

.button svg {
    width: 18px;
    height: 18px;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.6;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.form-submit {
    justify-self: start;
}

.form-note {
    font-size: 0.75rem;
}

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

.footer-inner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 16px 24px;
    padding-top: 24px;
    padding-bottom: 24px;
    font-size: 0.77rem;
}

.footer-links {
    display: flex;
    gap: 24px;
}

.footer-links a {
    color: var(--muted);
}

@media (max-width: 960px) {
    .reference-grid {
        grid-template-columns: minmax(0, 1fr);
        gap: 24px;
    }

    .section-grid {
        gap: 32px;
    }

    .intensity-levels {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }

    .form-row {
        grid-template-columns: minmax(0, 1fr);
    }
}

@media (max-width: 720px) {
    .container {
        width: calc(100% - 40px);
    }

    .header-inner {
        flex-wrap: wrap;
        gap: 8px 20px;
        padding-top: 16px;
        padding-bottom: 12px;
    }

    .main-nav {
        width: 100%;
        gap: 6px 22px;
        margin: 0;
    }

    .main-nav a {
        font-size: 0.8rem;
    }

    .intro {
        padding-top: 36px;
    }

    .endpoint-format {
        display: none;
    }

    .reference-section {
        padding: 28px 0;
    }

    .reference-table th {
        padding-right: 14px;
    }

    .reference-table th:first-child {
        width: 35%;
    }

    .optional-table th {
        overflow-wrap: anywhere;
    }

    .reference-table th,
    .reference-table td {
        font-size: 0.82rem;
    }

    .reference-nav {
        gap: 10px 20px;
    }

    .intro-lead {
        font-size: 1.1rem;
    }

    .interface-summary {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 20px;
        padding: 18px;
    }

    .section {
        padding: 36px 0;
    }

    .section-grid {
        grid-template-columns: minmax(0, 1fr);
        gap: 28px;
    }

    .intensity-levels {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .intensity-levels li {
        gap: 8px;
        padding: 10px;
    }

    .form-row {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .access-form {
        padding: 20px;
    }

    .access-form input,
    .access-form select,
    .access-form textarea {
        font-size: 1rem;
    }
}

@media (max-width: 440px) {
    .main-nav {
        gap: 4px 16px;
    }

    .intensity-levels {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .form-row {
        grid-template-columns: minmax(0, 1fr);
    }
}