[data-site-page] main h1,
[data-site-page] main h2,
[data-site-page] main h3 {
    font-family: "Chakra Petch", sans-serif;
}

[data-site-page] main h1 { font-size: clamp(2.75rem, 7vw, 4.5rem); line-height: 1.05; }
[data-site-page] main h2 { font-size: clamp(2rem, 5vw, 3rem); line-height: 1.12; }
[data-site-page] main h3 { font-size: clamp(1.15rem, 2.5vw, 1.4rem); line-height: 1.3; }
[data-site-page] main p,
[data-site-page] main li { line-height: 1.75; }

.site-header {
    position: fixed;
    inset: 0 0 auto;
    z-index: 80;
    border-bottom: 1px solid var(--site-border);
    background: var(--site-surface);
    color: var(--site-text);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
}

.site-header button {
    appearance: none;
    border: 0;
    background: transparent;
    color: inherit;
    font: inherit;
    cursor: pointer;
}

.site-header__nav {
    width: min(100% - 3rem, 1280px);
    min-height: 4.5rem;
    margin-inline: auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}

.site-header__brand,
.site-footer__brand {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    border-radius: 0.125rem;
    color: var(--site-heading);
    font-family: "Chakra Petch", sans-serif;
    font-weight: 700;
    letter-spacing: 0.1em;
}

.site-header__logo,
.site-footer__brand img {
    width: 2.5rem;
    height: 2.5rem;
    border: 1px solid var(--site-border);
    border-radius: 0.5rem;
    object-fit: cover;
    box-shadow: 0 0 15px rgba(59, 130, 246, 0.2);
}

.site-header__wordmark { font-size: 1.25rem; }
.site-header__wordmark span { color: var(--site-primary-light); }
.site-header__links { display: flex; align-items: center; gap: clamp(1rem, 2vw, 2rem); }
.site-header__link,
.site-header__dropdown-toggle,
.site-header__mobile-link,
.site-header__mobile-dropdown-toggle {
    border-radius: 0.125rem;
    color: var(--site-text);
    font-family: "Chakra Petch", sans-serif;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    transition: color 160ms ease, background-color 160ms ease;
}

.site-header__link:hover,
.site-header__link.is-active,
.site-header__dropdown-toggle:hover,
.site-header__dropdown.is-active > .site-header__dropdown-toggle,
.site-header__mobile-link:hover,
.site-header__mobile-link.is-active,
.site-header__mobile-dropdown-toggle:hover,
.site-header__mobile-dropdown.is-active > .site-header__mobile-dropdown-toggle { color: var(--site-primary-light); }

.site-header__dropdown { position: relative; }
.site-header__dropdown-toggle,
.site-header__mobile-dropdown-toggle { display: flex; align-items: center; gap: 0.4rem; }
.site-header__dropdown-toggle svg,
.site-header__mobile-dropdown-toggle svg { width: 1rem; height: 1rem; transition: transform 160ms ease; }
.site-header__dropdown.is-open .site-header__dropdown-toggle svg,
.site-header__mobile-dropdown.is-open .site-header__mobile-dropdown-toggle svg { transform: rotate(180deg); }
.site-header__dropdown-menu {
    position: absolute;
    top: calc(100% + 1rem);
    right: 0;
    width: 13rem;
    padding: 0.5rem;
    border: 1px solid var(--site-border);
    background: rgba(15, 23, 42, 0.96);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-0.4rem);
    transition: opacity 160ms ease, transform 160ms ease, visibility 160ms ease;
    box-shadow: 0 1.25rem 3rem rgba(3, 7, 18, 0.45), 0 0 2rem rgba(37, 99, 235, 0.1);
}
.site-header__dropdown.is-open .site-header__dropdown-menu { opacity: 1; visibility: visible; transform: translateY(0); }
.site-header__dropdown-link,
.site-header__mobile-sublink { display: block; padding: 0.65rem 0.75rem; color: var(--site-muted); font-size: 0.875rem; }
.site-header__dropdown-link:hover,
.site-header__mobile-sublink:hover { background: rgba(59, 130, 246, 0.1); color: var(--site-heading); }
.site-header__menu-button { display: none; width: 2.75rem; height: 2.75rem; padding: 0.5rem; color: var(--site-primary-light); border-radius: 0.125rem; }
.site-header__menu-button svg { width: 100%; height: 100%; }
.site-header__mobile-menu { max-height: 0; overflow: hidden; border-top: 1px solid transparent; transition: max-height 220ms ease, border-color 220ms ease; }
.site-header__mobile-menu.is-open { max-height: 48rem; border-color: var(--site-border); }
.site-header__mobile-links { width: min(100% - 2rem, 1280px); margin-inline: auto; padding-block: 1rem; display: flex; flex-direction: column; gap: 0.25rem; }
.site-header__mobile-link,
.site-header__mobile-dropdown-toggle { width: 100%; padding: 0.75rem; text-align: left; }
.site-header__mobile-dropdown-menu { display: none; margin-left: 0.75rem; padding-left: 0.75rem; border-left: 1px solid rgba(59, 130, 246, 0.25); }
.site-header__mobile-dropdown.is-open .site-header__mobile-dropdown-menu { display: block; }

.site-header a:focus-visible,
.site-header button:focus-visible,
.site-footer a:focus-visible { outline: 2px solid var(--site-primary-light); outline-offset: 3px; }

.site-footer {
    margin: 0;
    padding: 0;
    border-top: 1px solid var(--site-border);
    background: var(--site-void);
    color: var(--site-muted);
}
.site-footer__inner { width: min(100% - 3rem, 1280px); margin-inline: auto; padding-block: 3.5rem 2rem; }
.site-footer__grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 3rem; }
.site-footer__brand { font-size: 1.125rem; }
.site-footer__description { max-width: 26rem; margin-top: 1.25rem; font-size: 0.9375rem; line-height: 1.75; }
.site-footer__socials { display: flex; gap: 0.75rem; margin-top: 1.5rem; }
.site-footer__socials a { width: 2.75rem; height: 2.75rem; display: grid; place-items: center; border: 1px solid var(--site-border); background: var(--site-surface-strong); color: var(--site-muted); font-family: "Chakra Petch", sans-serif; font-size: 0.75rem; font-weight: 700; transition: border-color 160ms ease, color 160ms ease, background-color 160ms ease; }
.site-footer__socials a:hover { border-color: var(--site-primary-light); background: rgba(59, 130, 246, 0.12); color: var(--site-heading); }
.site-footer h2 { margin: 0 0 1.25rem; color: var(--site-heading); font-family: "Chakra Petch", sans-serif; font-size: 0.75rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; }
.site-footer__navigation { display: flex; flex-direction: column; align-items: flex-start; gap: 0.75rem; }
.site-footer__navigation h2 { margin-bottom: 0.5rem; }
.site-footer__navigation a,
.site-footer__bottom a { color: var(--site-muted); font-size: 0.8125rem; transition: color 160ms ease; }
.site-footer__navigation a:hover,
.site-footer__bottom a:hover { color: var(--site-primary-light); }
.site-footer__server dl { display: grid; gap: 1rem; }
.site-footer__server dt { margin-bottom: 0.2rem; color: #64748b; font-family: "Chakra Petch", sans-serif; font-size: 0.7rem; letter-spacing: 0.1em; text-transform: uppercase; }
.site-footer__server dd { color: var(--site-text); font-size: 0.875rem; }
.site-footer__server .site-footer__address { color: var(--site-primary-light); font-family: "Chakra Petch", sans-serif; font-weight: 700; }
.site-footer__bottom { margin-top: 2.5rem; padding-top: 2rem; display: flex; justify-content: space-between; gap: 1.5rem; border-top: 1px solid var(--site-border); font-family: "Chakra Petch", sans-serif; font-size: 0.7rem; letter-spacing: 0.08em; text-transform: uppercase; }
.site-footer__bottom > div { display: flex; gap: 1.5rem; }

.floating-toc { position: fixed; right: 0; top: 50%; z-index: 40; color: var(--site-text); opacity: 0; visibility: hidden; pointer-events: none; transform: translate(100%, -50%); transition: opacity 180ms ease, transform 180ms ease, visibility 180ms ease; }
.floating-toc.is-visible { opacity: 1; visibility: visible; pointer-events: auto; transform: translate(0, -50%); }
.floating-toc__toggle { margin-left: auto; padding: 0.75rem 1rem; display: flex; align-items: center; gap: 0.5rem; border: 1px solid rgba(96, 165, 250, 0.35); border-right: 0; background: rgba(15, 23, 42, 0.92); color: var(--site-primary-light); font-family: "Chakra Petch", sans-serif; font-size: 0.75rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; }
.floating-toc__toggle svg { width: 1.1rem; height: 1.1rem; }
.floating-toc__toggle:focus-visible,
.floating-toc__panel a:focus-visible { outline: 2px solid var(--site-primary-light); outline-offset: 3px; }
.floating-toc__panel { width: min(17rem, calc(100vw - 2rem)); max-height: min(70vh, 32rem); padding: 1rem; display: none; overflow-y: auto; border: 1px solid var(--site-border); border-right: 0; background: rgba(15, 23, 42, 0.96); }
.floating-toc.is-open .floating-toc__panel { display: block; }
.floating-toc__title { margin-bottom: 0.75rem; color: var(--site-heading); font-family: "Chakra Petch", sans-serif; font-size: 0.75rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; }
.floating-toc__panel ol { display: grid; gap: 0.25rem; }
.floating-toc__panel a { display: block; padding: 0.55rem 0.65rem; border-left: 2px solid transparent; color: var(--site-muted); font-size: 0.875rem; line-height: 1.35; transition: border-color 160ms ease, color 160ms ease, background-color 160ms ease; }
.floating-toc__panel a:hover,
.floating-toc__panel a.is-active { border-left-color: var(--site-primary); background: rgba(59, 130, 246, 0.1); color: var(--site-heading); }

@media (max-width: 1100px) {
    .site-header__links { gap: 1rem; }
    .site-header__link,
    .site-header__dropdown-toggle { font-size: 0.72rem; }
}

@media (max-width: 920px) {
    .site-header__nav { width: min(100% - 2rem, 1280px); }
    .site-header__links { display: none; }
    .site-header__menu-button { display: block; }
    .site-footer__grid { grid-template-columns: 1fr 1fr; }
    .site-footer__brand-column { grid-column: 1 / -1; }
    .floating-toc { top: auto; right: 0; bottom: 0; transform: translateX(100%); }
    .floating-toc.is-visible { transform: translateX(0); }
}

@media (max-width: 620px) {
    .site-header__wordmark { display: none; }
    .site-footer__inner { width: min(100% - 2rem, 1280px); }
    .site-footer__grid { grid-template-columns: 1fr; gap: 2.5rem; }
    .site-footer__brand-column { grid-column: auto; }
    .site-footer__bottom,
    .site-footer__bottom > div { flex-direction: column; }
}

@media (min-width: 1600px) {
    .floating-toc__toggle { display: none; }
    .floating-toc__panel { display: block; }
}