:root {
    /* белый/чёрный + красный акцент, только для интерактива (кнопки, чекбоксы, активные состояния) */
    --color-bg: #F7F6F4;
    --color-surface: #FFFFFF;
    --color-ink: #141518;
    --color-ink-muted: #6B6E76;
    --color-accent: #D3202F;
    --color-accent-hover: #AC1826;
    --color-accent-soft: #FBEAEA;
    --color-signal: #141518;
    --color-success: #2F855A;
    --color-border: #E5E3DE;

    --font-display: "Space Grotesk", sans-serif;
    --font-body: "Inter", sans-serif;
    --font-mono: "IBM Plex Mono", monospace;

    --radius-sm: 6px;
    --radius-md: 10px;
    --header-height: 80px;
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    background: var(--color-bg);
    color: var(--color-ink);
    font-family: var(--font-body);
    font-size: 15px;
    line-height: 1.5;
}

a { color: inherit; text-decoration: none; }

button, input, select {
    font-family: inherit;
    font-size: inherit;
    color: inherit;
}

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

/* --- Header --- */

.site-header {
    height: var(--header-height);
    border-bottom: 1px solid var(--color-border);
    background: var(--color-surface);
    position: sticky;
    top: 0;
    z-index: 20;
}

.site-header__inner {
    max-width: 1360px;
    margin: 0 auto;
    height: 100%;
    padding: 0 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.site-logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

/* PNG с прозрачным фоном - ограничиваем только высоту, ширина по пропорциям картинки сама */
.site-logo__image {
    display: block;
    height: 52px;
    width: auto;
}

/* --- Nav --- активная ссылка помечается акцентной чертой снизу (.is-active, из base.html через
   request.resolver_match.url_name). Ниже брейкпоинта - выпадающая панель по кнопке-гамбургеру (static/js/site-nav.js). */

.site-nav {
    display: flex;
    align-items: center;
    gap: 24px;
}

.site-nav__link,
.site-nav__dropdown-trigger {
    position: relative;
    padding: 6px 0;
    font-size: 13.5px;
    font-weight: 500;
    white-space: nowrap;
    color: var(--color-ink-muted);
    background: none;
    border: none;
    font-family: inherit;
    cursor: pointer;
    transition: color 0.15s ease;
}

.site-nav__link::after,
.site-nav__dropdown-trigger::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 2px;
    border-radius: 2px;
    background: var(--color-accent);
    transform: scaleX(0);
    transition: transform 0.2s ease;
}

.site-nav__link:hover,
.site-nav__dropdown-trigger:hover { color: var(--color-ink); }
.site-nav__link:hover::after,
.site-nav__dropdown-trigger:hover::after { transform: scaleX(1); }

.site-nav__link.is-active,
.site-nav__dropdown-trigger.is-active {
    color: var(--color-ink);
    font-weight: 600;
}

.site-nav__link.is-active::after,
.site-nav__dropdown-trigger.is-active::after { transform: scaleX(1); }

.site-nav__dropdown {
    position: relative;
}

.site-nav__dropdown-trigger {
    display: flex;
    align-items: center;
    gap: 5px;
}

.site-nav__dropdown-chevron {
    width: 10px;
    height: 7px;
    transition: transform 0.2s ease;
}

.site-nav__dropdown.is-open .site-nav__dropdown-chevron { transform: rotate(180deg); }

/* плавающая карточка под триггером - только для широких экранов, мобильная версия ниже без transform/absolute */
@media (min-width: 1081px) {
    .site-nav__dropdown-panel {
        position: absolute;
        top: calc(100% + 12px);
        left: 50%;
        min-width: 200px;
        padding: 8px;
        display: flex;
        flex-direction: column;
        gap: 2px;
        background: var(--color-surface);
        border: 1px solid var(--color-border);
        border-radius: var(--radius-md);
        box-shadow: 0 16px 32px rgba(20, 21, 24, 0.12);
        opacity: 0;
        visibility: hidden;
        transform: translate(-50%, -6px);
        transition: opacity 0.15s ease, transform 0.15s ease, visibility 0.15s ease;
    }

    .site-nav__dropdown.is-open .site-nav__dropdown-panel {
        opacity: 1;
        visibility: visible;
        transform: translate(-50%, 0);
    }
}

.site-nav__dropdown-link {
    padding: 9px 12px;
    border-radius: 6px;
    font-size: 13.5px;
    font-weight: 500;
    white-space: nowrap;
    color: var(--color-ink-muted);
    transition: background 0.15s ease, color 0.15s ease;
}

.site-nav__dropdown-link:hover { background: var(--color-bg); color: var(--color-ink); }

.site-nav__dropdown-link.is-active {
    background: var(--color-accent-soft);
    color: var(--color-accent);
    font-weight: 600;
}

.site-nav__cta {
    padding: 10px 20px;
    border-radius: 999px;
    background: var(--color-accent);
    color: #fff;
    font-size: 13px;
    font-weight: 600;
    white-space: nowrap;
    transition: background 0.15s ease, transform 0.15s ease;
}

.site-nav__cta:hover { background: var(--color-accent-hover); transform: translateY(-1px); }
.site-nav__cta.is-active { background: var(--color-accent-hover); }

/* скрыта по умолчанию, показывается только ниже брейкпоинта */
.site-nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: stretch;
    gap: 5px;
    width: 36px;
    height: 36px;
    padding: 0;
    background: none;
    border: none;
    cursor: pointer;
    flex-shrink: 0;
}

.site-nav-toggle__bar {
    display: block;
    height: 2px;
    width: 100%;
    background: var(--color-ink);
    border-radius: 2px;
    transition: transform 0.25s ease, opacity 0.2s ease;
}

.site-nav-toggle.is-open .site-nav-toggle__bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.site-nav-toggle.is-open .site-nav-toggle__bar:nth-child(2) { opacity: 0; }
.site-nav-toggle.is-open .site-nav-toggle__bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* --- Main / Footer --- */

.site-main {
    max-width: 1360px;
    margin: 0 auto;
    padding: 32px;
    min-height: calc(100vh - var(--header-height) - 120px);
}

.site-footer {
    margin-top: 64px;
    background: var(--color-ink);
    color: #B7B8BE;
}

.site-footer__inner {
    max-width: 1360px;
    margin: 0 auto;
    padding: 56px 32px 40px;
    display: grid;
    grid-template-columns: 1.6fr 1fr 1fr 1fr;
    gap: 40px;
}

.site-footer__brand {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.site-footer__logo {
    display: block;
    height: 64px;
    width: auto;
    /* без align-self картинка растягивалась на всю ширину колонки (column-flex default align-items: stretch) */
    align-self: flex-start;
}

.site-footer__tagline {
    max-width: 280px;
    margin: 0;
    font-size: 13.5px;
    line-height: 1.6;
    color: #8C8E96;
}

.site-footer__col {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.site-footer__heading {
    margin: 0 0 4px;
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 13px;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    color: #fff;
}

.site-footer__link {
    font-size: 13.5px;
    color: #B7B8BE;
    transition: color 0.15s ease;
}

.site-footer__link:hover { color: #fff; }

.site-footer__bottom { border-top: 1px solid rgba(255, 255, 255, 0.08); }

.site-footer__bottom p {
    max-width: 1360px;
    margin: 0 auto;
    padding: 18px 32px;
    font-size: 12px;
    color: #6C6E76;
}

/* пункты навбара не помещаются в одну строку на средних/узких экранах - ниже 1080px выпадающая панель */
@media (max-width: 1080px) {
    .site-nav-toggle { display: flex; }

    .site-nav {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        margin: 0;
        background: var(--color-surface);
        border-bottom: 1px solid var(--color-border);
        box-shadow: 0 16px 28px rgba(20, 21, 24, 0.1);
        max-height: 0;
        overflow: hidden;
        opacity: 0;
        visibility: hidden;
        transition: max-height 0.25s ease, opacity 0.2s ease;
    }

    .site-nav.is-open {
        max-height: 560px;
        opacity: 1;
        visibility: visible;
    }

    .site-nav__link,
    .site-nav__dropdown-trigger {
        width: 100%;
        padding: 14px 24px;
        border-bottom: 1px solid var(--color-border);
        font-size: 15px;
    }

    .site-nav__link:last-child { border-bottom: none; }

    .site-nav__link::after,
    .site-nav__dropdown-trigger::after { display: none; }
    .site-nav__link:hover,
    .site-nav__dropdown-trigger:hover { background: var(--color-bg); }
    .site-nav__link.is-active,
    .site-nav__dropdown-trigger.is-active { background: var(--color-accent-soft); color: var(--color-accent); }

    .site-nav__dropdown { width: 100%; border-bottom: 1px solid var(--color-border); }
    .site-nav__dropdown-trigger { justify-content: space-between; border-bottom: none; }

    .site-nav__dropdown-panel {
        display: none;
        position: static;
        width: 100%;
        min-width: 0;
        padding: 4px 0;
        gap: 0;
        background: var(--color-bg);
        border: none;
        border-radius: 0;
        box-shadow: none;
        opacity: 1;
        visibility: visible;
        transform: none;
    }

    .site-nav__dropdown.is-open .site-nav__dropdown-panel {
        display: flex;
        flex-direction: column;
    }

    .site-nav__dropdown-link {
        padding: 12px 40px;
        border-radius: 0;
    }

    .site-nav__dropdown-link.is-active { background: transparent; }

    .site-nav__cta {
        display: block;
        margin: 14px 24px;
        text-align: center;
        border-radius: var(--radius-sm);
    }
}

@media (max-width: 860px) {
    .site-footer__inner { grid-template-columns: 1fr 1fr; }
    .site-footer__brand { grid-column: 1 / -1; }
}

@media (max-width: 720px) {
    .site-header__inner { padding: 0 16px; }
    .site-main { padding: 16px; }
}

@media (max-width: 520px) {
    .site-footer__inner { grid-template-columns: 1fr; padding: 40px 20px 32px; }
    .site-footer__tagline { max-width: none; }
    .site-footer__bottom p { padding: 18px 20px; }
}