:root {
    --si-ink: #14231e;
    --si-brand: #14805c;
    --si-brand-dark: #08724e;
    --si-accent: #e65345;
    --si-bg: #f6f8f7;
    --si-surface: #fff;
    --si-muted: #61706a;
    --si-border: #dce6e0;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    min-width: 320px;
    margin: 0;
    color: var(--si-ink);
    background: var(--si-bg);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    line-height: 1.5;
}

img {
    max-width: 100%;
}

button,
input,
select,
textarea {
    font: inherit;
}

.container {
    width: min(1180px, calc(100% - 40px));
    margin: 0 auto;
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
    border: 0;
}

.site-header {
    position: relative;
    z-index: 20;
    background: #102820;
    box-shadow: 0 1px 0 rgb(255 255 255 / 8%);
}

.site-header__inner {
    display: flex;
    gap: 28px;
    align-items: center;
    justify-content: space-between;
    min-height: 76px;
}

.site-logo {
    display: inline-flex;
    gap: 13px;
    align-items: center;
    color: #fff;
    font-size: 1.52rem;
    font-weight: 850;
    letter-spacing: -.04em;
    text-decoration: none;
}

.site-logo__wordmark {
    white-space: nowrap;
}

.site-logo__five {
    color: var(--si-accent);
}

.site-logo__tagline {
    max-width: 172px;
    padding-left: 13px;
    color: #c4dcd1;
    font-size: .66rem;
    font-weight: 750;
    letter-spacing: .035em;
    line-height: 1.25;
    border-left: 1px solid rgb(255 255 255 / 22%);
    text-transform: uppercase;
}

.site-menu {
    display: flex;
    gap: 8px;
    align-items: center;
}

.site-menu > a,
.site-menu__catalog-toggle {
    display: inline-flex;
    gap: 7px;
    align-items: center;
    min-height: 42px;
    padding: 10px 12px;
    color: #dceee6;
    font-size: .94rem;
    font-weight: 700;
    text-decoration: none;
    background: transparent;
    border: 0;
    border-radius: 9px;
    cursor: pointer;
    transition: color .15s ease, background-color .15s ease;
}

.site-menu > a:hover,
.site-menu > a:focus-visible,
.site-menu__catalog-toggle:hover,
.site-menu__catalog-toggle:focus-visible,
.site-menu__catalog.is-open .site-menu__catalog-toggle {
    color: #fff;
    background: rgb(255 255 255 / 10%);
    outline: 0;
}

.site-menu__catalog {
    position: relative;
}

/* Невидимый мостик сохраняет hover при переходе к выпадающему меню. */
.site-menu__catalog::after {
    position: absolute;
    top: 100%;
    right: 0;
    left: 0;
    height: 10px;
    content: "";
}

.site-menu__catalog-chevron {
    font-size: 1.2rem;
    line-height: .8;
    transition: transform .15s ease;
}

.site-menu__catalog:hover .site-menu__catalog-chevron,
.site-menu__catalog:focus-within .site-menu__catalog-chevron,
.site-menu__catalog.is-open .site-menu__catalog-chevron {
    transform: rotate(180deg);
}

.site-menu__dropdown {
    position: absolute;
    top: calc(100% + 10px);
    right: -72px;
    display: none;
    width: min(840px, calc(100vw - 32px));
    padding: 22px;
    background: #fff;
    border: 1px solid var(--si-border);
    border-radius: 16px;
    box-shadow: 0 20px 50px rgb(6 39 28 / 24%);
}

.site-menu__catalog:hover .site-menu__dropdown,
.site-menu__catalog:focus-within .site-menu__dropdown,
.site-menu__catalog.is-open .site-menu__dropdown {
    display: block;
}

.site-menu__dropdown-head {
    display: flex;
    gap: 16px;
    align-items: end;
    justify-content: space-between;
    padding: 0 0 18px;
    border-bottom: 1px solid var(--si-border);
}

.site-menu__dropdown-head strong,
.site-menu__dropdown-kicker {
    display: block;
}

.site-menu__dropdown-kicker {
    margin-bottom: 3px;
    color: var(--si-brand-dark);
    font-size: .72rem;
    font-weight: 800;
    letter-spacing: .08em;
    text-transform: uppercase;
}

.site-menu__dropdown-head strong {
    color: var(--si-ink);
    font-size: 1rem;
}

.site-menu__dropdown-head > a {
    color: var(--si-brand-dark);
    font-size: .86rem;
    font-weight: 800;
    text-decoration: none;
    white-space: nowrap;
}

.site-menu__groups {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
    padding-top: 20px;
}

.site-menu__group {
    min-width: 0;
}

.site-menu__group-title {
    display: block;
    margin-bottom: 8px;
    color: var(--si-ink);
    font-size: .88rem;
    font-weight: 800;
    text-decoration: none;
}

.site-menu__group-title:hover,
.site-menu__group-title:focus-visible,
.site-menu__group li a:hover,
.site-menu__group li a:focus-visible {
    color: var(--si-brand-dark);
    text-decoration: underline;
}

.site-menu__group ul {
    padding: 0;
    margin: 0;
    list-style: none;
}

.site-menu__group li + li {
    margin-top: 6px;
}

.site-menu__group li a {
    color: var(--si-muted);
    font-size: .78rem;
    line-height: 1.35;
    text-decoration: none;
}

.site-menu__mobile-toggle,
.site-mobile-menu {
    display: none;
}

.site-footer {
    padding: 44px 0;
    color: #c4d6ce;
    background: #102820;
}

.site-footer__inner {
    display: grid;
    grid-template-columns: minmax(0, 1.6fr) auto auto;
    gap: 32px;
    align-items: end;
}

.site-footer__logo {
    color: #fff;
    font-size: 1.1rem;
    font-weight: 800;
    text-decoration: none;
}

.site-footer__logo span {
    color: var(--si-accent);
}

.site-footer p {
    max-width: 430px;
    margin: 8px 0 0;
    font-size: .86rem;
    line-height: 1.5;
}

.site-footer__links {
    display: grid;
    gap: 6px;
}

.site-footer__links a {
    color: #dceee6;
    font-size: .86rem;
    text-decoration: none;
}

.site-footer__links a:hover,
.site-footer__links a:focus-visible {
    color: #fff;
    text-decoration: underline;
}

.site-footer__copyright {
    white-space: nowrap;
}

@media (max-width: 900px) {
    .site-header__inner {
        min-height: 66px;
    }

    .site-menu {
        display: none;
    }

    .site-menu__mobile-toggle {
        display: grid;
        gap: 4px;
        width: 42px;
        height: 42px;
        padding: 10px;
        place-content: center;
        background: transparent;
        border: 1px solid rgb(255 255 255 / 22%);
        border-radius: 9px;
        cursor: pointer;
    }

    .site-menu__mobile-toggle span:not(.visually-hidden) {
        display: block;
        width: 20px;
        height: 2px;
        background: #dceee6;
        border-radius: 2px;
        transition: transform .15s ease, opacity .15s ease;
    }

    .site-menu__mobile-toggle.is-open span:nth-of-type(2) {
        opacity: 0;
    }

    .site-menu__mobile-toggle.is-open span:nth-of-type(1) {
        transform: translateY(6px) rotate(45deg);
    }

    .site-menu__mobile-toggle.is-open span:nth-of-type(3) {
        transform: translateY(-6px) rotate(-45deg);
    }

    .site-mobile-menu {
        display: block;
        background: #102820;
        border-top: 1px solid rgb(255 255 255 / 12%);
    }

    .site-mobile-menu .container {
        display: none;
        padding-top: 10px;
        padding-bottom: 16px;
    }

    .site-mobile-menu.is-open .container {
        display: grid;
        gap: 4px;
    }

    .site-mobile-menu a {
        padding: 11px 0;
        color: #dceee6;
        font-weight: 700;
        text-decoration: none;
    }

    .site-mobile-menu__catalog {
        display: grid;
        gap: 10px;
        padding: 8px 0 10px;
        border-top: 1px solid rgb(255 255 255 / 12%);
        border-bottom: 1px solid rgb(255 255 255 / 12%);
    }

    .site-mobile-menu__group {
        display: grid;
        gap: 2px;
    }

    .site-mobile-menu__group-title {
        color: #fff !important;
        font-size: .9rem;
    }

    .site-mobile-menu__group ul {
        display: grid;
        gap: 2px;
        padding: 0 0 4px 12px;
        margin: 0;
        list-style: none;
    }

    .site-mobile-menu__group li a {
        padding: 6px 0;
        color: #c4d6ce;
        font-size: .82rem;
        font-weight: 500;
    }

    .site-footer__inner {
        grid-template-columns: 1fr;
        gap: 22px;
        align-items: start;
    }
}

@media (max-width: 560px) {
    .container {
        width: min(100% - 28px, 1180px);
    }

    .site-logo {
        gap: 0;
        font-size: 1.32rem;
    }

    .site-logo__tagline {
        display: none;
    }
}