/* ==========================================================================
   Blue Tech — дизайн система
   Палитра от логото: тъмно синьо → стоманено → небесно.
   Акцентът кехлибар е взет от индикаторите на мрежовото оборудване.
   ========================================================================== */

:root {
    --ink:      #0B1B2B;
    --ink-2:    #12293F;
    --ink-3:    #1B3A56;
    --deep:     #14406F;
    --steel:    #4A8FC4;
    --sky:      #8FC7E8;
    --signal:   #F0A93B;
    --ok:       #45C08A;

    --paper:    #F4F7FA;
    --white:    #FFFFFF;
    --line:     #DCE5EC;
    --line-dk:  rgba(143, 199, 232, .18);
    --muted:    #5A6C7C;
    --muted-dk: #9DB4C7;

    --font-display: 'Oswald', 'Arial Narrow', system-ui, sans-serif;
    --font-body:    'IBM Plex Sans', system-ui, -apple-system, 'Segoe UI', sans-serif;
    --font-mono:    'IBM Plex Mono', ui-monospace, 'Cascadia Mono', Consolas, monospace;

    --wrap:     1180px;
    --gutter:   clamp(1.25rem, 4vw, 3rem);
    --band-pad: clamp(4rem, 8vw, 7rem);
    --radius:   4px;

    --shadow:   0 1px 2px rgba(11, 27, 43, .06), 0 8px 24px rgba(11, 27, 43, .05);
    --shadow-lg:0 2px 4px rgba(11, 27, 43, .08), 0 18px 48px rgba(11, 27, 43, .12);
}

/* --- Основи --------------------------------------------------------------- */

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

html {
    -webkit-text-size-adjust: 100%;
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background: var(--white);
    color: var(--ink);
    font-family: var(--font-body);
    font-size: 1.0625rem;
    line-height: 1.68;
    -webkit-font-smoothing: antialiased;
}

img, svg { max-width: 100%; height: auto; display: block; }

a { color: var(--deep); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--steel); }

:focus-visible {
    outline: 2px solid var(--signal);
    outline-offset: 3px;
    border-radius: 2px;
}

.wrap {
    width: 100%;
    max-width: var(--wrap);
    margin-inline: auto;
    padding-inline: var(--gutter);
}

.skip {
    position: absolute;
    left: -9999px;
    top: 0;
    background: var(--ink);
    color: #fff;
    padding: .75rem 1.25rem;
    z-index: 100;
}
.skip:focus { left: 0; }

/* --- Типография ----------------------------------------------------------- */

h1, h2, h3, h4 {
    font-family: var(--font-display);
    font-weight: 600;
    line-height: 1.06;
    letter-spacing: .002em;
    margin: 0 0 .6em;
    text-wrap: balance;
}

h1 { font-size: clamp(2.3rem, 5.4vw, 4.1rem); text-transform: uppercase; line-height: .98; }
h2 { font-size: clamp(1.75rem, 3.5vw, 2.7rem); text-transform: uppercase; }
h3 { font-size: clamp(1.15rem, 1.8vw, 1.4rem); font-weight: 500; text-transform: none; letter-spacing: .01em; }
h4 { font-size: 1.05rem; font-weight: 500; text-transform: none; }

p { margin: 0 0 1.1em; }
p:last-child { margin-bottom: 0; }

.eyebrow {
    font-family: var(--font-mono);
    font-size: .72rem;
    font-weight: 500;
    letter-spacing: .18em;
    text-transform: uppercase;
    color: var(--steel);
    margin: 0 0 1.1rem;
    display: flex;
    align-items: center;
    gap: .7rem;
}
.eyebrow::before {
    content: '';
    width: 1.6rem;
    height: 2px;
    background: var(--signal);
    flex: none;
}

.lead {
    font-size: clamp(1.08rem, 1.6vw, 1.25rem);
    line-height: 1.6;
    color: var(--muted);
    max-width: 58ch;
}

.mono { font-family: var(--font-mono); }

/* --- Ленти ---------------------------------------------------------------- */

.band { padding-block: var(--band-pad); }
.band--tight { padding-block: clamp(2.75rem, 5vw, 4.25rem); }
.band--paper { background: var(--paper); }
.band--dark  { background: var(--ink); color: #fff; }

.band--dark h1, .band--dark h2, .band--dark h3 { color: #fff; }
.band--dark .lead { color: var(--muted-dk); }
.band--dark a { color: var(--sky); }

.band-head { max-width: 62ch; margin-bottom: clamp(2.25rem, 4vw, 3.5rem); }
.band-head h2 { margin-bottom: .5em; }
.band-head .lead { font-size: 1.05rem; }

/* --- Бутони --------------------------------------------------------------- */

.btn {
    display: inline-flex;
    align-items: center;
    gap: .6rem;
    font-family: var(--font-display);
    font-size: .95rem;
    font-weight: 500;
    letter-spacing: .06em;
    text-transform: uppercase;
    padding: .85rem 1.6rem;
    border: 1px solid transparent;
    border-radius: var(--radius);
    background: var(--deep);
    color: #fff;
    text-decoration: none;
    cursor: pointer;
    transition: background .18s ease, border-color .18s ease, color .18s ease, transform .18s ease;
}
.btn:hover { background: var(--ink-3); color: #fff; transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn--ghost {
    background: transparent;
    border-color: var(--line);
    color: var(--ink);
}
.btn--ghost:hover { background: transparent; border-color: var(--steel); color: var(--deep); }

.band--dark .btn--ghost,
.hero .btn--ghost { border-color: var(--muted-dk); color: #fff; }
.band--dark .btn--ghost:hover,
.hero .btn--ghost:hover { border-color: var(--sky); color: var(--sky); }

.btn--signal { background: var(--signal); color: var(--ink); }
.btn--signal:hover { background: #ffbc55; color: var(--ink); }

.btn-row { display: flex; flex-wrap: wrap; gap: .75rem; }

/* --- Горна лента ---------------------------------------------------------- */

.site-head {
    position: sticky;
    top: 0;
    z-index: 40;
    background: rgba(255, 255, 255, .92);
    backdrop-filter: saturate(150%) blur(10px);
    border-bottom: 1px solid var(--line);
}

.head-inner {
    display: flex;
    align-items: center;
    gap: clamp(1rem, 3vw, 2.5rem);
    min-height: 68px;
}

.brand { display: flex; align-items: center; flex: none; }
.brand img { width: auto; height: 40px; }

.nav {
    display: flex;
    align-items: center;
    gap: clamp(.75rem, 2vw, 1.75rem);
    margin-inline-start: auto;
}

.nav a:not(.btn) {
    font-family: var(--font-display);
    font-size: .93rem;
    font-weight: 400;
    letter-spacing: .05em;
    text-transform: uppercase;
    color: var(--ink);
    text-decoration: none;
    padding: .35rem 0;
    border-bottom: 2px solid transparent;
    white-space: nowrap;
}
.nav a:not(.btn):hover { color: var(--deep); border-bottom-color: var(--line); }
.nav a:not(.btn)[aria-current="page"] { color: var(--deep); border-bottom-color: var(--signal); }

/* --- Превключвател на езика (падащо меню, без JavaScript) ------------------ */

.lang { position: relative; }
.lang > summary {
    display: flex;
    align-items: center;
    gap: .4rem;
    list-style: none;
    cursor: pointer;
    font-family: var(--font-mono);
    font-size: .74rem;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: var(--muted);
    padding: .4rem .6rem;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    white-space: nowrap;
}
.lang > summary::-webkit-details-marker { display: none; }
.lang > summary:hover { color: var(--deep); border-color: var(--steel); }
.lang[open] > summary { color: var(--deep); border-color: var(--steel); }
.lang[open] > summary svg { transform: rotate(180deg); }
.lang > summary svg { transition: transform .16s ease; }

.lang-menu {
    position: absolute;
    inset-inline-end: 0;
    top: calc(100% + .4rem);
    z-index: 50;
    list-style: none;
    margin: 0;
    padding: .3rem;
    min-width: 11rem;
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}
.lang-menu a {
    display: flex;
    align-items: center;
    gap: .6rem;
    padding: .5rem .6rem;
    border-radius: 3px;
    color: var(--ink);
    text-decoration: none;
    font-size: .92rem;
    white-space: nowrap;
}
.lang-menu a:hover { background: var(--paper); color: var(--deep); }
.lang-menu a[aria-current] { color: var(--deep); font-weight: 600; }
.lang-menu a[aria-current]::after { content: '✓'; margin-inline-start: auto; color: var(--signal); }
.lang-code {
    font-family: var(--font-mono);
    font-size: .7rem;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: var(--muted);
    min-width: 1.6rem;
}
.lang-menu a[aria-current] .lang-code { color: var(--steel); }

.nav-toggle {
    display: none;
    margin-inline-start: auto;
    background: none;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: .55rem .7rem;
    cursor: pointer;
    color: var(--ink);
}

/* --- Герой ---------------------------------------------------------------- */

.hero {
    background:
        radial-gradient(1100px 520px at 78% 12%, rgba(74, 143, 196, .22), transparent 62%),
        radial-gradient(700px 420px at 8% 92%, rgba(20, 64, 111, .38), transparent 60%),
        var(--ink);
    color: #fff;
    overflow: hidden;
    padding-block: clamp(3.25rem, 7vw, 5.5rem) clamp(0rem, 2vw, 1rem);
}

.hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: clamp(2.5rem, 5vw, 3.5rem);
    align-items: center;
}

.hero h1 { margin-bottom: 1rem; }
.hero h1 em {
    font-style: normal;
    color: var(--sky);
}
.hero .lead { color: #C4D6E4; max-width: 52ch; }
.hero .btn-row { margin-top: 2rem; }

.hero-stats {
    display: flex;
    flex-wrap: wrap;
    gap: clamp(1.5rem, 4vw, 3rem);
    margin-top: clamp(2.5rem, 5vw, 3.5rem);
    padding-top: 1.75rem;
    border-top: 1px solid var(--line-dk);
}
.hero-stat b {
    display: block;
    font-family: var(--font-display);
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    font-weight: 600;
    color: var(--sky);
    line-height: 1;
}
.hero-stat span {
    display: block;
    font-family: var(--font-mono);
    font-size: .72rem;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: var(--muted-dk);
    margin-top: .55rem;
}

/* --- Схема на мрежата (подписът на сайта) --------------------------------- */

.topo { width: 100%; }
.topo-label {
    font-family: var(--font-mono);
    font-size: 9.5px;
    letter-spacing: .11em;
    text-transform: uppercase;
    fill: #9DB4C7;
}
.topo-code {
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 500;
    letter-spacing: .06em;
    fill: #DDEAF4;
}
.topo-box { fill: rgba(143, 199, 232, .06); stroke: rgba(143, 199, 232, .30); }
.topo-core { fill: rgba(74, 143, 196, .16); stroke: rgba(143, 199, 232, .55); }
.topo-link { fill: none; stroke: rgba(143, 199, 232, .28); stroke-width: 1.2; }

.topo-packet {
    fill: none;
    stroke: var(--sky);
    stroke-width: 1.6;
    stroke-linecap: round;
    stroke-dasharray: 3 118;
    animation: flow 3.4s linear infinite;
}
@keyframes flow { to { stroke-dashoffset: -121; } }

.topo-led { fill: var(--ok); animation: blink 2.6s ease-in-out infinite; }
@keyframes blink { 0%, 100% { opacity: .35; } 50% { opacity: 1; } }
.topo-led--warn { fill: var(--signal); }
.topo-note { fill: var(--signal) !important; letter-spacing: .14em; }

/* Двата варианта на схемата: широк за монитор, компактен за телефон */
.topo--narrow { display: none; }
.topo--narrow .topo-label { font-size: 11px; }
.topo--narrow .topo-code  { font-size: 12.5px; }

@media (max-width: 640px) {
    .topo--wide   { display: none; }
    .topo--narrow { display: block; margin-inline: auto; max-width: 340px; }
}

/* --- Мрежа от карти ------------------------------------------------------- */

.grid {
    display: grid;
    gap: clamp(1rem, 2vw, 1.5rem);
    grid-template-columns: repeat(auto-fill, minmax(min(100%, 290px), 1fr));
}
.grid--2 { grid-template-columns: repeat(auto-fill, minmax(min(100%, 420px), 1fr)); }

.card {
    position: relative;
    display: flex;
    flex-direction: column;
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: clamp(1.5rem, 2.5vw, 2rem);
    text-decoration: none;
    color: inherit;
    overflow: hidden;
    transition: border-color .2s ease, transform .2s ease, box-shadow .2s ease;
}
.card::before {
    content: '';
    position: absolute;
    inset: 0 auto auto 0;
    width: 100%;
    height: 2px;
    background: var(--signal);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform .3s cubic-bezier(.2, .7, .3, 1);
}
.card:hover { border-color: var(--steel); transform: translateY(-3px); box-shadow: var(--shadow); }
.card:hover::before { transform: scaleX(1); }

.card h3 { color: var(--ink); margin-bottom: .5rem; }
.card p { color: var(--muted); font-size: .97rem; margin-bottom: 0; }
.card .more {
    margin-top: auto;
    padding-top: 1.25rem;
    font-family: var(--font-mono);
    font-size: .74rem;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: var(--steel);
}
.card .more::after { content: ' →'; }

/* --- Референции ----------------------------------------------------------- */

.proj-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 1.25rem;
    font-family: var(--font-mono);
    font-size: .74rem;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 1rem;
}
.proj-meta b { color: var(--deep); font-weight: 600; }

.proj-sites {
    font-family: var(--font-display);
    font-size: 2.6rem;
    font-weight: 600;
    line-height: 1;
    color: var(--deep);
}
.proj-sites small {
    display: block;
    font-family: var(--font-mono);
    font-size: .7rem;
    font-weight: 400;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: var(--muted);
    margin-top: .4rem;
}

/* --- Сертификати ---------------------------------------------------------- */

.cert-grid {
    display: grid;
    gap: 1px;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 200px), 1fr));
    background: var(--line-dk);
    border: 1px solid var(--line-dk);
}
.band--paper .cert-grid { background: var(--line); border-color: var(--line); }

.cert {
    background: var(--ink);
    padding: clamp(1.35rem, 2.4vw, 1.9rem);
}
.band--paper .cert { background: var(--paper); }

.cert-code {
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 2.6vw, 1.95rem);
    font-weight: 600;
    letter-spacing: .02em;
    color: var(--sky);
    line-height: 1;
    margin-bottom: .6rem;
}
.band--paper .cert-code { color: var(--deep); }

.cert-title {
    font-size: .9rem;
    line-height: 1.45;
    color: var(--muted-dk);
    margin-bottom: 1rem;
}
.band--paper .cert-title { color: var(--muted); }

.cert-meta {
    font-family: var(--font-mono);
    font-size: .7rem;
    letter-spacing: .06em;
    color: #7791A8;
    display: grid;
    gap: .2rem;
}
.band--paper .cert-meta { color: var(--muted); }

/* --- Съдържание (Markdown изход) ------------------------------------------ */

.prose { max-width: 68ch; }
.prose h2 { font-size: clamp(1.35rem, 2.2vw, 1.75rem); margin-top: 2.4em; }
.prose h3 { margin-top: 2em; }
.prose h2:first-child, .prose h3:first-child { margin-top: 0; }
.prose ul, .prose ol { padding-inline-start: 1.35em; margin: 0 0 1.2em; }
.prose li { margin-bottom: .45em; }
.prose li::marker { color: var(--steel); }
.prose hr { border: 0; border-top: 1px solid var(--line); margin: 2.5em 0; }
.prose code {
    font-family: var(--font-mono);
    font-size: .88em;
    background: var(--paper);
    padding: .1em .35em;
    border-radius: 3px;
}
.prose strong { font-weight: 600; }

/* --- За нас --------------------------------------------------------------- */

.about-hero {
    background:
        radial-gradient(820px 420px at 78% 8%, rgba(74, 143, 196, .2), transparent 64%),
        var(--ink);
    color: #fff;
    padding-block: clamp(3.5rem, 7vw, 6rem);
}
.about-hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: clamp(2.5rem, 6vw, 5rem);
    align-items: center;
}
.about-hero h1 { max-width: 13ch; }
.about-hero .lead { color: #C4D6E4; max-width: 58ch; }
.about-profile {
    border-top: 1px solid var(--line-dk);
    padding-top: 1.5rem;
    display: grid;
}
.about-monogram {
    font-family: var(--font-display);
    font-size: clamp(3.5rem, 8vw, 5.5rem);
    line-height: 1;
    color: var(--signal);
    margin-bottom: 1.25rem;
}
.about-profile > strong {
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-weight: 500;
}
.about-profile > span:not(.about-monogram) { color: var(--muted-dk); }
.about-facts {
    margin: 2rem 0 0;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
}
.about-facts div { border-top: 1px solid var(--line-dk); padding-top: .85rem; }
.about-facts dt {
    font-family: var(--font-display);
    font-size: clamp(1.35rem, 3vw, 2rem);
    color: var(--sky);
    line-height: 1;
}
.about-facts dd {
    margin: .55rem 0 0;
    color: var(--muted-dk);
    font-size: .78rem;
    line-height: 1.45;
}
.about-prose { max-width: none; }
.about-prose > p:first-child { max-width: 72ch; font-size: 1.15rem; color: var(--muted); }
.about-prose ol {
    list-style: none;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: clamp(1.25rem, 3vw, 2.5rem);
    counter-reset: about-step;
}
.about-prose ol li {
    counter-increment: about-step;
    border-top: 1px solid var(--line);
    padding-top: 1rem;
    color: var(--muted);
}
.about-prose ol li::before {
    content: '0' counter(about-step) ' /';
    display: block;
    font-family: var(--font-mono);
    font-size: .7rem;
    letter-spacing: .1em;
    color: var(--steel);
    margin-bottom: .8rem;
}
.about-prose ol strong {
    display: block;
    font-family: var(--font-display);
    font-size: 1.15rem;
    line-height: 1.25;
    color: var(--ink);
    margin-bottom: .5rem;
}
.about-certs {
    margin-top: clamp(3.5rem, 7vw, 6rem);
    padding-top: clamp(2.5rem, 5vw, 4rem);
    border-top: 1px solid var(--line);
    display: grid;
    gap: 1.5rem;
    align-items: end;
}
.about-certs h2 { margin-bottom: 0; }
.about-cert-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-wrap: wrap;
    gap: .75rem;
}
.about-cert-list li {
    min-width: 8rem;
    border-left: 2px solid var(--signal);
    padding: .25rem 1rem;
    display: grid;
}
.about-cert-list strong { font-family: var(--font-display); font-size: 1.1rem; }
.about-cert-list span { font-family: var(--font-mono); font-size: .68rem; color: var(--muted); }

/* --- Разположение с странична колона -------------------------------------- */

.split {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: clamp(2rem, 5vw, 4rem);
}

/* --- Формуляр ------------------------------------------------------------- */

.form { display: grid; gap: 1.1rem; }
.form-row { display: grid; gap: 1.1rem; grid-template-columns: minmax(0, 1fr); }

.field { display: grid; gap: .4rem; }
.field label {
    font-family: var(--font-mono);
    font-size: .72rem;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: var(--muted);
}
.field input, .field textarea {
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--ink);
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: .8rem .9rem;
    width: 100%;
    transition: border-color .16s ease, box-shadow .16s ease;
}
.field textarea { resize: vertical; min-height: 9rem; line-height: 1.6; }
.field input:focus, .field textarea:focus {
    outline: none;
    border-color: var(--steel);
    box-shadow: 0 0 0 3px rgba(74, 143, 196, .16);
}
.field .req { color: var(--signal); }

.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.note {
    border-inline-start: 3px solid var(--steel);
    background: var(--paper);
    padding: 1rem 1.15rem;
    border-radius: 0 var(--radius) var(--radius) 0;
    font-size: .95rem;
}
.note--ok    { border-color: var(--ok); }
.note--error { border-color: #D9534F; }
.note ul { margin: .4rem 0 0; padding-inline-start: 1.2em; }

.info-list {
    display: grid;
    gap: 1.1rem;
    margin: 0;
    font-size: .97rem;
}
.info-list dt {
    font-family: var(--font-mono);
    font-size: .7rem;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: .2rem;
}
.info-list dd { margin: 0; }

/* --- Долна лента ---------------------------------------------------------- */

.site-foot {
    background: var(--ink);
    color: var(--muted-dk);
    padding-block: clamp(3rem, 6vw, 4.5rem) 0;
    font-size: .95rem;
}
.foot-grid {
    display: grid;
    gap: clamp(2rem, 4vw, 3rem);
    grid-template-columns: minmax(0, 1fr);
    padding-bottom: 2.75rem;
}
.site-foot img { height: 46px; width: auto; margin-bottom: 1.1rem; }
.site-foot h4 {
    font-family: var(--font-mono);
    font-size: .72rem;
    font-weight: 500;
    letter-spacing: .14em;
    text-transform: uppercase;
    color: var(--steel);
    margin-bottom: 1rem;
}
.site-foot a { color: #C4D6E4; text-decoration: none; }
.site-foot a:hover { color: var(--sky); text-decoration: underline; }
.foot-links { list-style: none; margin: 0; padding: 0; display: grid; gap: .55rem; }

.foot-bar {
    border-top: 1px solid var(--line-dk);
    padding-block: 1.5rem;
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: space-between;
    font-family: var(--font-mono);
    font-size: .72rem;
    letter-spacing: .06em;
    color: #6B8298;
}

/* --- Празни състояния ----------------------------------------------------- */

.empty {
    border: 1px dashed var(--line);
    border-radius: var(--radius);
    padding: clamp(2rem, 5vw, 3rem);
    text-align: center;
    color: var(--muted);
}

/* --- Адаптивност ---------------------------------------------------------- */

@media (min-width: 720px) {
    .form-row { grid-template-columns: 1fr 1fr; }
}

@media (min-width: 900px) {
    .hero-grid { grid-template-columns: minmax(0, 1.02fr) minmax(0, 1fr); }
    .about-hero-grid { grid-template-columns: minmax(0, 1.25fr) minmax(22rem, .75fr); }
    .about-profile { border-top: 0; border-left: 1px solid var(--line-dk); padding: .25rem 0 .25rem 2rem; }
    .about-certs { grid-template-columns: minmax(15rem, .8fr) minmax(0, 1.4fr) auto; }
    .split { grid-template-columns: minmax(0, 1.7fr) minmax(0, 1fr); }
    .split--even { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
    .foot-grid { grid-template-columns: 1.5fr 1fr 1fr 1.2fr; }
}

@media (max-width: 899px) {
    .nav-toggle { display: inline-flex; }
    .nav {
        display: none;
        position: absolute;
        inset: 68px 0 auto;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        background: var(--white);
        border-bottom: 1px solid var(--line);
        padding: .5rem var(--gutter) 1.25rem;
        box-shadow: var(--shadow);
    }
    .nav.is-open { display: flex; }
    .nav a:not(.btn) { padding: .8rem 0; border-bottom: 1px solid var(--line); }
    .nav a:not(.btn)[aria-current="page"] { border-bottom-color: var(--signal); }
    .nav .lang { padding-top: 1rem; }
    .nav .lang > summary { justify-content: space-between; }
    .nav .lang-menu { position: static; box-shadow: none; margin-top: .4rem; width: 100%; }
    .nav .btn { margin-top: 1rem; justify-content: center; }
}

@media (max-width: 719px) {
    .about-facts, .about-prose ol { grid-template-columns: 1fr; }
    .about-facts { gap: .75rem; }
    .about-facts div { display: grid; grid-template-columns: 6rem 1fr; align-items: baseline; gap: .75rem; }
    .about-facts dd { margin-top: 0; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after {
        animation-duration: .01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: .01ms !important;
    }
}

@media print {
    .site-head, .site-foot, .btn, .nav-toggle { display: none !important; }
    body { color: #000; }
    .band { padding-block: 1rem; }
}