@font-face {
    font-family: "Inter";
    font-style: normal;
    font-weight: 100 900;
    font-display: swap;
    src: url("Inter-roman.var.woff2?v=3.19") format("woff2");
}

@font-face {
    font-family: "Inter";
    font-style: italic;
    font-weight: 100 900;
    font-display: swap;
    src: url("Inter-italic.var.woff2?v=3.19") format("woff2");
}

:root {
    --cessda-blue: #1083d1;
    --cessda-blue-bright: #1b9aee;
    --cessda-blue-dark: #0b6099;
    --cessda-blue-deep: #052438;
    --cessda-blue-pale: #ecf7fe;

    --cessda-magenta: #aa2268;
    --cessda-magenta-bright: #d73387;
    --cessda-magenta-dark: #881b53;
    --cessda-magenta-pale: #fceef5;

    --cessda-green: #176361;
    --cessda-green-bright: #1f8481;
    --cessda-green-dark: #135351;
    --cessda-green-pale: #eefbfb;

    --cessda-sky: #61d0f7;
    --cessda-orange: #f96b06;
    --cessda-slate: #6b8c9e;
    --cessda-slate-dark: #49626f;
    --cessda-slate-pale: #e0e7eb;
    --cessda-raisin: #605562;
    --cessda-grey: #6c757d;
    --cessda-grey-dark: #2f3337;
    --cessda-grey-pale: #e4e6e7;

    --page-width: 1180px;
    --text-width: 900px;
    --focus-ring: #f96b06;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background: #ffffff;
    color: var(--cessda-grey-dark);
    font-family: "Inter", Tahoma, Arial, sans-serif;
    font-size: 16px;
    font-weight: 400;
    line-height: 1.4;
    text-align: left;
}

a {
    color: var(--cessda-blue-dark);
    text-decoration-thickness: 1px;
    text-underline-offset: 0.16em;
}

a:hover {
    color: var(--cessda-magenta-dark);
}

a:focus-visible,
button:focus-visible,
[tabindex]:focus-visible {
    outline: 3px solid var(--focus-ring);
    outline-offset: 3px;
}

.skip-link {
    position: fixed;
    top: 12px;
    left: 12px;
    z-index: 1000;
    padding: 10px 14px;
    border-radius: 3px;
    background: #ffffff;
    color: var(--cessda-blue-deep);
    font-weight: 600;
    transform: translateY(-180%);
    transition: transform 0.15s ease;
}

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

#site-header {
    position: relative;
    overflow: hidden;
    min-height: 190px;
    background: linear-gradient(118deg, var(--cessda-blue-deep) 0%, var(--cessda-blue-dark) 58%, var(--cessda-blue) 100%);
    color: #ffffff;
}

#site-header::after {
    content: "";
    position: absolute;
    right: -95px;
    bottom: -150px;
    width: 410px;
    height: 410px;
    border: 62px solid rgba(255, 255, 255, 0.08);
    border-radius: 28%;
    transform: rotate(45deg);
    pointer-events: none;
}

.header-inner {
    position: relative;
    z-index: 1;
    width: min(calc(100% - 48px), var(--page-width));
    margin: 0 auto;
    padding: 32px 0 28px;
}

#logo {
    display: block;
    width: 210px;
    height: 68px;
    margin-bottom: 28px;
    background: url("cessda-logo-white.png") no-repeat left center;
    background-size: contain;
}

#menu {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 38px;
    margin: 0;
    padding: 18px 0 0;
    border-top: 1px solid rgba(255, 255, 255, 0.28);
}

#menu a {
    color: #ffffff;
    font-weight: 600;
    font-size: 1.05rem;
    letter-spacing: 0.01em;
}

#menu a:hover,
#menu a:focus-visible {
    text-decoration: underline;
    text-decoration-thickness: 2px;
}

#wrapper {
    width: min(calc(100% - 48px), var(--page-width));
    margin: 0 auto;
}

#content {
    padding: 56px 0 72px;
}

.lead,
.long-text,
.info-box,
.example,
pre,
.response-example,
.resource-list,
.documentation-card,
.entity-list,
h1,
h2,
h3 {
    max-width: var(--text-width);
    margin-left: auto;
    margin-right: auto;
}

h1,
h2,
h3 {
    color: var(--cessda-blue-deep);
    font-weight: 600;
    line-height: 1.2;
}

h1 {
    margin-bottom: 20px;
    font-size: clamp(2rem, 4vw, 3rem);
    letter-spacing: -0.025em;
}

h2 {
    margin: 64px auto 22px;
    padding-bottom: 10px;
    border-bottom: none;
    font-size: clamp(1.5rem, 2.5vw, 2rem);
    scroll-margin-top: 24px;
}

h3 {
    margin: 38px auto 14px;
    font-size: 1.25rem;
}

.back-nav {
    max-width: var(--text-width);
    margin: 0 auto 24px;
}

.back-link {
    font-weight: 600;
}

.lead {
    margin: 0 auto 28px;
    color: var(--cessda-slate-dark);
    font-size: 1.25rem;
    font-weight: 500;
    line-height: 1.45;
}

.long-text {
    margin: 0 auto 18px;
    text-align: left;
}

ul,
ol {
    padding-left: 1.5rem;
}

li + li {
    margin-top: 0.55rem;
}

.entity-list {
    margin: 24px auto 30px;
    padding: 0;
    list-style: none;
}

.entity-list li {
    margin: 0;
    padding: 14px 0 14px 18px;
    border-left: 5px solid var(--cessda-green);
}

.entity-list li + li {
    margin-top: 8px;
}

.entity-list strong,
.entity-list span {
    display: block;
}

.entity-list strong {
    margin-bottom: 4px;
    color: var(--cessda-green-dark);
    font-weight: 600;
}

.info-box {
    margin: 30px auto;
    padding: 20px 24px;
    border-left: 6px solid var(--cessda-green);
    background: var(--cessda-green-pale);
}

.info-box p:first-child {
    margin-top: 0;
}

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

.documentation-card {
    margin: 28px auto 42px;
    background: var(--cessda-magenta-pale);
    border-left: 6px solid var(--cessda-magenta);
    border-radius: 4px;
    padding: 24px;
}

.documentation-card h3 {
    margin-top: 0;
    color: var(--cessda-magenta-dark);
}

.documentation-card p {
    margin-bottom: 18px;
}

.example {
    margin: 18px auto;
    padding: 16px 20px;
    border-left: 5px solid var(--cessda-blue);
    background: var(--cessda-blue-pale);
}

.example a {
    display: inline-block;
    color: var(--cessda-blue-dark);
    font-family: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", Menlo, monospace;
    font-size: 0.93rem;
    font-weight: 600;
    overflow-wrap: anywhere;
}

.example p {
    margin: 10px 0 0;
}

pre,
code {
    font-family: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", Menlo, monospace;
    font-size: 0.9rem;
}

code {
    overflow-wrap: anywhere;
}

pre {
    margin: 18px 0;
    padding: 18px 20px;
    overflow-x: auto;
    border-left: 5px solid var(--cessda-slate);
    background: #f6f8f9;
    line-height: 1.45;
    white-space: pre;
}

.info-box pre {
    margin-bottom: 0;
    background: #ffffff;
}

.response-example {
    border-left-color: var(--cessda-magenta);
}

#footer {
    padding: 38px max(24px, calc((100% - var(--page-width)) / 2));
    background: var(--cessda-blue-deep);
    color: #ffffff;
}

#footer p {
    margin: 0 0 14px;
    line-height: 1.5;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 28px;
}

.footer-links a {
    color: #ffffff;
    font-weight: 500;
}

.footer-links a:hover,
.footer-links a:focus-visible {
    color: #ffffff;
    text-decoration-thickness: 2px;
}

@media (max-width: 800px) {
    .header-inner,
    #wrapper {
        width: min(calc(100% - 32px), var(--page-width));
    }

    #menu {
        gap: 9px 20px;
    }

    #content {
        padding: 42px 0 58px;
    }

    h2 {
        margin-top: 52px;
    }

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

@media (max-width: 520px) {
    .header-inner,
    #wrapper {
        width: min(calc(100% - 24px), var(--page-width));
    }

    #site-header {
        min-height: 0;
    }

    .header-inner {
        padding: 24px 0;
    }

    #menu {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 10px 16px;
        font-size: 0.95rem;
    }

    #content {
        padding: 34px 0 48px;
    }

    h1 {
        font-size: 2rem;
    }

    h2 {
        margin-top: 44px;
        font-size: 1.5rem;
    }

    .lead {
        font-size: 1.1rem;
    }

    .info-box,
    .documentation-card,
    .example {
        padding: 16px;
    }

    pre {
        padding: 14px;
        font-size: 0.82rem;
    }
}

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

    .skip-link {
        transition: none;
    }
}