/* ==================================================================
   appr.su — стили
   Тёмная тема, glassmorphism, плавающий фон, glow на акцентах.
   ================================================================== */

:root {
    /* Палитра */
    --bg-base:        #0a0612;
    --bg-deep:        #050309;
    --surface:        rgba(255, 255, 255, 0.04);
    --surface-hover:  rgba(255, 255, 255, 0.07);
    --border:         rgba(255, 255, 255, 0.08);
    --border-strong:  rgba(255, 255, 255, 0.14);

    --text:           #f4eef9;
    --text-dim:       #a89dba;
    --text-mute:      #6e6480;

    --accent:         #d946ef;   /* яркая фуксия */
    --accent-soft:    #b66ef5;
    --accent-cool:    #6d9eff;
    --accent-warm:    #ff6ea0;

    --glow-1: rgba(217, 70, 239, 0.35);
    --glow-2: rgba(109, 158, 255, 0.3);
    --glow-3: rgba(255, 110, 160, 0.25);

    /* Шрифты */
    --font-display: 'Fraunces', 'Times New Roman', serif;
    --font-body:    'Manrope', system-ui, sans-serif;
    --font-mono:    'JetBrains Mono', ui-monospace, monospace;

    /* Радиусы и тени */
    --radius-sm: 10px;
    --radius:    18px;
    --radius-lg: 28px;

    --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.3);
    --shadow-glow: 0 0 40px var(--glow-1);
}

/* ------------------------------------------------------------------
   Сброс и база
   ------------------------------------------------------------------ */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }

html { scroll-behavior: smooth; }
body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text);
    background: var(--bg-base);
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; background: none; border: none; color: inherit; }
img { display: block; max-width: 100%; }
ul, ol { list-style: none; }

::selection { background: var(--accent); color: var(--bg-deep); }

/* ------------------------------------------------------------------
   Плавающий фон — без filter:blur, без backdrop-filter на орбах.
   Всё делается через многослойный radial-gradient на псевдоэлементах,
   GPU рисует их один раз и не перерисовывает при скролле.
   ------------------------------------------------------------------ */
.bg-layer {
    position: fixed;
    inset: 0;
    z-index: -1;
    overflow: hidden;
    /* Базовый градиент фона */
    background: radial-gradient(ellipse at top, #1a0a26 0%, var(--bg-base) 45%, var(--bg-deep) 100%);
}

/* Цветовые пятна — через псевдоэлементы, opacity transition вместо blur */
.bg-layer::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 55% 45% at 0% 0%,   rgba(217, 70, 239, 0.22) 0%, transparent 65%),
        radial-gradient(ellipse 50% 55% at 100% 40%, rgba(109, 158, 255, 0.18) 0%, transparent 60%),
        radial-gradient(ellipse 60% 40% at 45% 100%, rgba(255, 110, 160, 0.14) 0%, transparent 60%);
    /* Медленная анимация только opacity — дёшево */
    animation: bg-breathe 18s ease-in-out infinite alternate;
}
.bg-layer::after {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 40% 35% at 20% 60%,  rgba(109, 158, 255, 0.1) 0%, transparent 60%),
        radial-gradient(ellipse 35% 40% at 85% 15%,  rgba(217, 70, 239, 0.12) 0%, transparent 60%);
    animation: bg-breathe 24s ease-in-out infinite alternate-reverse;
}

@keyframes bg-breathe {
    from { opacity: 0.7; }
    to   { opacity: 1; }
}

/* Орбы-DOM-узлы больше не нужны, прячем если вдруг есть в HTML */
.bg-orb { display: none; }

.bg-grid {
    position: absolute; inset: 0;
    background-image:
        linear-gradient(to right, rgba(255,255,255,0.022) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(255,255,255,0.022) 1px, transparent 1px);
    background-size: 64px 64px;
    /* mask-image без radial-gradient — он тоже дорог; заменяем на opacity */
    opacity: 0.6;
}

/* Шум убираем совсем — mix-blend-mode: overlay дорог */
.bg-noise { display: none; }

/* ------------------------------------------------------------------
   Анонс-баннер
   ------------------------------------------------------------------ */
#announcement-wrap {
    position: relative;
    z-index: 10;
    width: 100%;
}
#announcement {
    display: block;
    width: 100%;
    height: 0;           /* выставляется JS из iframe через postMessage */
    border: none;
    overflow: hidden;
    transition: height 0.3s cubic-bezier(0.2, 0.7, 0.2, 1);
}


.layout {
    max-width: 1280px;
    margin: 0 auto;
    padding: 64px 48px 80px;
}
.layout--service { max-width: 880px; }
.layout--404 { display: flex; align-items: center; justify-content: center; min-height: 100vh; }

/* ------------------------------------------------------------------
   Hero (главная)
   ------------------------------------------------------------------ */
.hero { margin-bottom: 56px; }

.hero__brand {
    display: inline-flex; align-items: center; gap: 10px;
    margin-bottom: 24px;
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--text-dim);
    letter-spacing: 0.05em;
    padding: 6px 12px;
    border: 1px solid var(--border);
    border-radius: 100px;
    background: rgba(20, 12, 32, 0.9);
    animation: fade-up 0.8s cubic-bezier(0.2, 0.7, 0.2, 1) both;
}
.hero__dot {
    width: 7px; height: 7px;
    background: #4ade80;
    border-radius: 50%;
    box-shadow: 0 0 10px #4ade80;
    animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.6; transform: scale(0.85); }
}

.hero__title {
    font-family: var(--font-display);
    font-weight: 400;
    font-size: clamp(36px, 5vw, 60px);
    line-height: 1.05;
    letter-spacing: -0.025em;
    margin-bottom: 16px;
    font-variation-settings: "opsz" 144;
}
.hero__title-line { display: block; animation: fade-up 0.9s cubic-bezier(0.2, 0.7, 0.2, 1) both; }
.hero__title-line:nth-child(1) { animation-delay: 0.1s; }
.hero__title-line:nth-child(2) { animation-delay: 0.25s; }
.hero__title-line--accent {
    font-style: italic;
    background: linear-gradient(110deg, var(--accent-warm) 0%, var(--accent) 35%, var(--accent-cool) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.hero__subtitle {
    font-size: 15px;
    color: var(--text-dim);
    max-width: 480px;
    margin-bottom: 28px;
    animation: fade-up 1s cubic-bezier(0.2, 0.7, 0.2, 1) 0.4s both;
}

@keyframes fade-up {
    from { opacity: 0; transform: translateY(16px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ------------------------------------------------------------------
   Поиск (компактный)
   ------------------------------------------------------------------ */
.search {
    position: relative;
    max-width: 360px;
    animation: fade-up 1.1s cubic-bezier(0.2, 0.7, 0.2, 1) 0.55s both;
}
.search__icon {
    position: absolute;
    left: 14px; top: 50%;
    transform: translateY(-50%);
    width: 15px; height: 15px;
    color: var(--text-mute);
    pointer-events: none;
    transition: color 0.2s;
}
.search__input {
    width: 100%;
    padding: 11px 44px 11px 38px;
    font-family: var(--font-body);
    font-size: 14px;
    color: var(--text);
    background: rgba(20, 12, 32, 0.85);
    border: 1px solid var(--border);
    border-radius: 100px;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
}
.search__input::placeholder { color: var(--text-mute); }
.search__input:focus {
    border-color: var(--border-strong);
    background: var(--surface-hover);
    box-shadow: 0 0 0 4px rgba(217, 70, 239, 0.1), 0 0 24px var(--glow-1);
}
.search__input:focus ~ .search__icon { color: var(--accent); }
.search__hint {
    position: absolute;
    right: 12px; top: 50%;
    transform: translateY(-50%);
    font-family: var(--font-mono);
    font-size: 10px;
    color: var(--text-mute);
    padding: 3px 7px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 5px;
}

/* ------------------------------------------------------------------
   Основная сетка: контент + сайдбар
   ------------------------------------------------------------------ */
.main {
    display: grid;
    grid-template-columns: 1fr 220px;
    gap: 48px;
    align-items: start;
}

/* ------------------------------------------------------------------
   Категории и карточки
   ------------------------------------------------------------------ */
.category {
    margin-bottom: 72px;
    scroll-margin-top: 32px;
}
.category:last-child { margin-bottom: 32px; }

.category__header {
    display: flex; align-items: center; gap: 14px;
    margin-bottom: 28px;
}
.category__icon {
    font-size: 22px;
    filter: drop-shadow(0 0 8px var(--glow-1));
}
.category__title {
    font-family: var(--font-display);
    font-weight: 400;
    font-size: 32px;
    letter-spacing: -0.015em;
    font-variation-settings: "opsz" 60;
}
.category__count {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--text-mute);
    padding: 3px 9px;
    border: 1px solid var(--border);
    border-radius: 100px;
    background: var(--surface);
}
.category__line {
    flex: 1; height: 1px;
    background: linear-gradient(to right, var(--border-strong), transparent);
    margin-left: 8px;
}

.service-list {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 6px;
    background: rgba(18, 10, 28, 0.75);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    position: relative;
}

.service-row {
    display: grid;
    grid-template-columns: 44px minmax(180px, 1fr) minmax(0, 2fr) 16px;
    align-items: center;
    gap: 18px;
    padding: 12px 16px;
    border-radius: 12px;
    cursor: pointer;
    position: relative;
    transition: background 0.25s, transform 0.25s cubic-bezier(0.2, 0.7, 0.2, 1);
}
.service-row::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 12px;
    background: radial-gradient(400px circle at var(--mx, 50%) var(--my, 50%), rgba(217, 70, 239, 0.12), transparent 40%);
    opacity: 0;
    transition: opacity 0.25s;
    pointer-events: none;
}
.service-row:hover {
    background: var(--surface-hover);
}
.service-row:hover::after { opacity: 1; }
.service-row:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: -2px;
}

.service-row__logo {
    width: 40px; height: 40px;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.06);
    display: flex; align-items: center; justify-content: center;
    overflow: hidden;
    border: 1px solid var(--border);
    font-family: var(--font-display);
    font-size: 18px;
    color: var(--accent);
    position: relative;
    z-index: 1;
}
.service-row__logo img { width: 100%; height: 100%; object-fit: cover; }
.service-row__logo--fallback {
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-cool) 100%);
    color: white;
    text-transform: uppercase;
}

.service-row__name {
    min-width: 0;
    position: relative;
    z-index: 1;
}
.service-row__title {
    font-family: var(--font-display);
    font-weight: 500;
    font-size: 18px;
    letter-spacing: -0.01em;
    line-height: 1.2;
    margin-bottom: 3px;
    font-variation-settings: "opsz" 24;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.service-row__subdomain {
    display: inline-flex; align-items: center; gap: 4px;
    font-family: var(--font-mono);
    font-size: 11.5px;
    color: var(--text-mute);
    transition: color 0.2s;
    position: relative;
    z-index: 2;
    max-width: 100%;
}
.service-row__subdomain svg { width: 10px; height: 10px; opacity: 0; transition: opacity 0.2s; flex-shrink: 0; }
.service-row__subdomain:hover { color: var(--accent); }
.service-row__subdomain:hover svg { opacity: 1; }

.service-row__desc {
    font-size: 13.5px;
    color: var(--text-dim);
    line-height: 1.5;
    position: relative;
    z-index: 1;
    /* Обрезаем до 2 строк */
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.service-row__arrow {
    width: 16px; height: 16px;
    color: var(--text-mute);
    opacity: 0;
    transition: opacity 0.25s, transform 0.3s cubic-bezier(0.2, 0.7, 0.2, 1);
    position: relative;
    z-index: 1;
}
.service-row:hover .service-row__arrow {
    color: var(--accent);
    opacity: 1;
    transform: translateX(2px);
}

/* ------------------------------------------------------------------
   Сайдбар (оглавление)
   ------------------------------------------------------------------ */
.toc {
    position: sticky;
    top: 32px;
}
.toc__inner {
    padding: 20px;
    background: rgba(18, 10, 28, 0.9);
    border: 1px solid var(--border);
    border-radius: var(--radius);
}
.toc__label {
    display: block;
    font-family: var(--font-mono);
    font-size: 10px;
    color: var(--text-mute);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    margin-bottom: 14px;
    padding-left: 16px;
}
.toc__list { display: flex; flex-direction: column; gap: 2px; }
.toc__link {
    display: flex; align-items: center; gap: 10px;
    padding: 9px 16px;
    border-radius: 10px;
    font-size: 14px;
    color: var(--text-dim);
    transition: all 0.2s;
    position: relative;
}
.toc__bullet {
    width: 5px; height: 5px;
    border-radius: 50%;
    background: var(--text-mute);
    transition: all 0.3s;
    flex-shrink: 0;
}
.toc__name { flex: 1; }
.toc__count {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--text-mute);
}
.toc__link:hover {
    color: var(--text);
    background: var(--surface-hover);
}
.toc__link:hover .toc__bullet { background: var(--accent); box-shadow: 0 0 8px var(--accent); }
.toc__link.is-active {
    color: var(--text);
    background: var(--surface-hover);
}
.toc__link.is-active .toc__bullet {
    background: var(--accent);
    box-shadow: 0 0 12px var(--accent);
    transform: scale(1.4);
}

/* ------------------------------------------------------------------
   Empty state
   ------------------------------------------------------------------ */
.empty-state {
    text-align: center;
    padding: 80px 20px;
    color: var(--text-mute);
}
.empty-state__icon {
    display: block;
    font-family: var(--font-mono);
    font-size: 24px;
    margin-bottom: 12px;
    color: var(--accent);
}

/* ------------------------------------------------------------------
   Footer
   ------------------------------------------------------------------ */
.footer {
    margin-top: 80px;
    padding-top: 32px;
    border-top: 1px solid var(--border);
    display: flex; align-items: center; gap: 12px;
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--text-mute);
}
.footer__sep { opacity: 0.5; }
.footer__back {
    color: var(--text-dim);
    transition: color 0.2s;
}
.footer__back:hover { color: var(--accent); }

/* ==================================================================
   Страница сервиса
   ================================================================== */
.crumbs { margin-bottom: 32px; animation: fade-up 0.6s ease-out both; }
.crumbs__link {
    display: inline-flex; align-items: center; gap: 8px;
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--text-mute);
    transition: color 0.2s, gap 0.3s;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}
.crumbs__link svg { width: 14px; height: 14px; }
.crumbs__link:hover { color: var(--accent); gap: 12px; }

.service-hero {
    display: flex; gap: 28px;
    padding: 36px;
    margin-bottom: 56px;
    background: rgba(18, 10, 28, 0.8);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    position: relative;
    overflow: hidden;
    animation: fade-up 0.7s cubic-bezier(0.2, 0.7, 0.2, 1) 0.1s both;
}
/* Декоративный угол — без blur, просто градиент */
.service-hero::before {
    content: '';
    position: absolute;
    top: 0; right: 0;
    width: 280px; height: 280px;
    background: radial-gradient(ellipse at 100% 0%, rgba(217, 70, 239, 0.18) 0%, transparent 65%);
    pointer-events: none;
}

.service-hero__logo {
    width: 92px; height: 92px;
    border-radius: 22px;
    background: rgba(255, 255, 255, 0.06);
    display: flex; align-items: center; justify-content: center;
    overflow: hidden;
    flex-shrink: 0;
    border: 1px solid var(--border);
    font-family: var(--font-display);
    font-size: 44px;
    color: var(--accent);
    box-shadow: 0 0 40px var(--glow-1);
    z-index: 1;
}
.service-hero__logo img { width: 100%; height: 100%; object-fit: cover; }
.service-hero__logo--fallback {
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-cool) 100%);
    color: white;
    text-transform: uppercase;
}

.service-hero__info { flex: 1; min-width: 0; z-index: 1; }
.service-hero__category {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    margin-bottom: 8px;
}
.service-hero__title {
    font-family: var(--font-display);
    font-weight: 500;
    font-size: clamp(32px, 5vw, 48px);
    line-height: 1.05;
    letter-spacing: -0.02em;
    margin-bottom: 12px;
    font-variation-settings: "opsz" 144;
}
.service-hero__desc {
    font-size: 16px;
    color: var(--text-dim);
    margin-bottom: 24px;
    line-height: 1.55;
}
.service-hero__cta {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 12px 20px;
    font-family: var(--font-mono);
    font-size: 13px;
    color: var(--text);
    background: linear-gradient(135deg, rgba(217, 70, 239, 0.2), rgba(109, 158, 255, 0.15));
    border: 1px solid rgba(217, 70, 239, 0.4);
    border-radius: 100px;
    transition: all 0.3s;
}
.service-hero__cta:hover {
    transform: translateY(-1px);
    box-shadow: 0 8px 24px var(--glow-1);
    background: linear-gradient(135deg, rgba(217, 70, 239, 0.3), rgba(109, 158, 255, 0.2));
}
.service-hero__cta svg { width: 14px; height: 14px; transition: transform 0.3s; }
.service-hero__cta:hover svg { transform: translate(2px, -2px); }

/* ==================================================================
   Markdown (страница сервиса)
   ================================================================== */
.markdown {
    animation: fade-up 0.8s cubic-bezier(0.2, 0.7, 0.2, 1) 0.2s both;
    color: var(--text);
    font-size: 16px;
    line-height: 1.7;
}
.markdown > * + * { margin-top: 1em; }
.markdown h1, .markdown h2, .markdown h3, .markdown h4 {
    font-family: var(--font-display);
    font-weight: 500;
    letter-spacing: -0.015em;
    margin-top: 1.6em;
    margin-bottom: 0.5em;
    line-height: 1.25;
}
.markdown h1 { font-size: 32px; font-variation-settings: "opsz" 144; }
.markdown h2 {
    font-size: 26px;
    font-variation-settings: "opsz" 80;
    padding-bottom: 0.4em;
    border-bottom: 1px solid var(--border);
}
.markdown h3 { font-size: 21px; font-variation-settings: "opsz" 36; color: var(--text); }
.markdown h4 { font-size: 17px; color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.05em; }

.markdown p { color: var(--text); }
.markdown a {
    color: var(--accent);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: border-color 0.2s, color 0.2s;
}
.markdown a:hover { border-bottom-color: var(--accent); color: var(--accent-soft); }

.markdown strong { color: var(--text); font-weight: 600; }
.markdown em { color: var(--text); }

.markdown ul, .markdown ol { padding-left: 1.5em; }
.markdown ul li { list-style: disc; }
.markdown ol li { list-style: decimal; }
.markdown li { margin: 0.3em 0; color: var(--text-dim); }
.markdown li::marker { color: var(--accent); }
.markdown li > p { color: var(--text-dim); }

.markdown blockquote {
    border-left: 3px solid var(--accent);
    padding: 0.8em 1.2em;
    margin: 1.5em 0;
    background: var(--surface);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    color: var(--text-dim);
    font-style: italic;
}
.markdown blockquote p { color: var(--text-dim); }

.markdown code {
    font-family: var(--font-mono);
    font-size: 0.88em;
    background: rgba(217, 70, 239, 0.1);
    color: var(--accent-soft);
    padding: 2px 7px;
    border-radius: 5px;
    border: 1px solid rgba(217, 70, 239, 0.15);
}
.markdown pre {
    margin: 1.5em 0;
    padding: 20px 22px;
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow-x: auto;
    font-size: 13.5px;
    line-height: 1.55;
}
.markdown pre code {
    background: none;
    border: none;
    padding: 0;
    color: var(--text);
    font-size: inherit;
}

/* Подсветка синтаксиса (Pygments) — тёмная тема */
.markdown .highlight {
    margin: 1.5em 0;
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}
.markdown .highlight pre { margin: 0; border: none; background: none; }
.markdown .highlight .c, .markdown .highlight .c1, .markdown .highlight .cm { color: #6e6480; font-style: italic; }
.markdown .highlight .k, .markdown .highlight .kd, .markdown .highlight .kn { color: #d946ef; }
.markdown .highlight .s, .markdown .highlight .s1, .markdown .highlight .s2 { color: #ff9c6e; }
.markdown .highlight .nf, .markdown .highlight .nb { color: #6d9eff; }
.markdown .highlight .mi, .markdown .highlight .mf { color: #ffe066; }
.markdown .highlight .nc { color: #4ade80; }
.markdown .highlight .o { color: var(--text-dim); }

.markdown table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5em 0;
    background: var(--surface);
    border-radius: var(--radius-sm);
    overflow: hidden;
    border: 1px solid var(--border);
}
.markdown thead { background: rgba(217, 70, 239, 0.06); }
.markdown th, .markdown td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid var(--border);
}
.markdown th {
    font-family: var(--font-mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--accent);
    font-weight: 500;
}
.markdown tr:last-child td { border-bottom: none; }
.markdown tbody tr:hover { background: var(--surface-hover); }

.markdown hr {
    border: none;
    height: 1px;
    background: linear-gradient(to right, transparent, var(--border-strong), transparent);
    margin: 2.5em 0;
}

.markdown img {
    border-radius: var(--radius-sm);
    margin: 1.5em 0;
    border: 1px solid var(--border);
}

/* ==================================================================
   404
   ================================================================== */
.error { text-align: center; padding: 40px 20px; }
.error__code {
    font-family: var(--font-display);
    font-style: italic;
    font-size: clamp(120px, 20vw, 220px);
    line-height: 1;
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-cool) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    margin-bottom: 16px;
    font-variation-settings: "opsz" 144;
}
.error__title {
    font-family: var(--font-display);
    font-size: 32px;
    font-weight: 400;
    margin-bottom: 12px;
    text-transform: lowercase;
}
.error__desc { color: var(--text-dim); margin-bottom: 32px; }
.error__back {
    font-family: var(--font-mono);
    font-size: 13px;
    color: var(--accent);
    border-bottom: 1px dashed var(--accent);
    padding-bottom: 2px;
}

/* ==================================================================
   Адаптив
   ================================================================== */
@media (max-width: 960px) {
    .layout { padding: 40px 28px 60px; }
    .main { grid-template-columns: 1fr; gap: 0; }
    .toc { display: none; }
    .hero { margin-bottom: 56px; }
}
@media (max-width: 600px) {
    .layout { padding: 28px 18px 48px; }
    .service-row {
        grid-template-columns: 40px 1fr 16px;
        grid-template-rows: auto auto;
        gap: 10px 14px;
    }
    .service-row__logo { grid-row: 1 / 3; }
    .service-row__name { grid-column: 2; grid-row: 1; }
    .service-row__desc { grid-column: 2; grid-row: 2; }
    .service-row__arrow { grid-column: 3; grid-row: 1 / 3; align-self: center; }
    .service-hero { flex-direction: column; padding: 24px; }
    .service-hero__logo { width: 72px; height: 72px; }
    .hero__title { font-size: clamp(32px, 9vw, 44px); }
    .markdown pre { padding: 16px; font-size: 12.5px; }
}

/* Уважение к пользовательским настройкам */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
    .bg-orb { animation: none !important; }
}