/* Generyczny header + footer (.zk-*). Wczytywany na KAŻDEJ stronie, także legacy,
   dlatego wszystkie reguły są scope'owane klasami i same resetują listy. */

.zk-rule {
    height: 8px;
    background-repeat: no-repeat;
    background-image: repeating-linear-gradient(90deg, var(--zk-tick) 0 1px, transparent 1px 11px),
    repeating-linear-gradient(90deg, var(--zk-tick-2) 0 1px, transparent 1px 55px);
    background-size: 100% 4px, 100% 8px;
}

/* ---------- HEADER ---------- */
.zk-nav {
    position: sticky;
    top: 0;
    z-index: 500;
    background: var(--zk-navbg);
    backdrop-filter: saturate(150%) blur(10px);
    font-family: var(--sans);
    line-height: 1.5;
}

.zk-nav .zk-rule {
    border-bottom: 1px solid var(--line);
}

.zk-top {
    max-width: 1180px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    gap: 22px;
    height: 62px;
}

.zk-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    flex: none;
}

.zk-brand img {
    width: 30px;
    height: 30px;
    object-fit: contain;
    background: #fff;
    border-radius: 4px;
    padding: 2px;
}

.zk-brand .wm {
    display: flex;
    flex-direction: column;
    line-height: 1.15;
}

.zk-brand .wm b {
    font-size: 14.5px;
    font-weight: 650;
    letter-spacing: -0.01em;
    color: var(--text);
}

.zk-brand .wm em {
    font-family: var(--mono);
    font-style: normal;
    font-size: 9px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--text-3);
}

.zk-menu {
    display: flex;
    align-items: center;
    gap: 2px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.zk-menu > li {
    position: relative;
    list-style: none;
}

.zk-menu > li > a,
.zk-menu > li > button {
    font-family: var(--mono);
    font-size: 11px;
    letter-spacing: 0.11em;
    text-transform: uppercase;
    color: var(--text-2);
    text-decoration: none;
    background: none;
    border: 0;
    cursor: pointer;
    padding: 21px 11px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.zk-menu > li > a:hover,
.zk-menu > li > button:hover {
    color: var(--text);
}

.zk-menu > li.current > a,
.zk-menu > li.current > button {
    color: var(--text);
}

.zk-menu > li.current::after {
    content: "";
    position: absolute;
    left: 11px;
    right: 11px;
    bottom: 0;
    height: 2px;
    background: var(--accent-bright);
}

.zk-menu a:focus-visible,
.zk-menu button:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: -4px;
    border-radius: 4px;
}

.zk-caret {
    width: 7px;
    height: 7px;
    border-right: 1.5px solid currentColor;
    border-bottom: 1.5px solid currentColor;
    transform: rotate(45deg) translate(-2px, -2px);
    opacity: .55;
}

.zk-drop {
    position: absolute;
    top: 100%;
    left: 4px;
    min-width: 200px;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 8px;
    box-shadow: 0 14px 32px rgba(0, 0, 0, .16);
    padding: 6px;
    margin: 0;
    list-style: none;
    display: none;
}

.zk-drop.open {
    display: block;
}

.zk-drop li {
    list-style: none;
}

.zk-drop a {
    display: flex;
    align-items: center;
    gap: 9px;
    padding: 7px 9px;
    border-radius: 5px;
    font-size: 13px;
    color: var(--text-2);
    text-decoration: none;
}

.zk-drop a:hover {
    background: var(--surface-2);
    color: var(--text);
}

.zk-drop i.sw {
    width: 3px;
    height: 15px;
    border-radius: 2px;
    background: var(--dot, var(--line-strong));
    flex: none;
}

.zk-search {
    margin-left: auto;
    display: flex;
    align-items: stretch;
    flex: 1;
    max-width: 380px;
    border: 1px solid var(--line-strong);
    border-radius: 7px;
    background: var(--surface);
    overflow: hidden;
}

.zk-search:focus-within {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-soft);
}

.zk-search svg {
    width: 15px;
    height: 15px;
    margin: 0 -2px 0 10px;
    align-self: center;
    color: var(--text-3);
    flex: none;
}

.zk-search input {
    font: inherit;
    font-size: 13px;
    padding: 8px 10px;
    flex: 1;
    min-width: 0;
    color: var(--text);
    background: transparent;
    border: 0;
}

.zk-search input:focus {
    outline: none;
}

.zk-search input::placeholder {
    color: var(--text-3);
}

.zk-search button {
    font-family: var(--mono);
    font-size: 10.5px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-2);
    background: var(--surface-2);
    border: 0;
    border-left: 1px solid var(--line);
    padding: 0 13px;
    cursor: pointer;
}

.zk-search button:hover {
    color: var(--text);
    background: var(--line);
}

.zk-search button:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: -2px;
}

.zk-burger {
    display: none;
    width: 38px;
    height: 34px;
    flex: none;
    border-radius: 7px;
    cursor: pointer;
    background: var(--surface-2);
    border: 1px solid var(--line);
    padding: 0;
    place-items: center;
}

.zk-burger i,
.zk-burger i::before,
.zk-burger i::after {
    display: block;
    width: 15px;
    height: 1.5px;
    background: var(--text-2);
}

.zk-burger i {
    position: relative;
}

.zk-burger i::before {
    content: "";
    position: absolute;
    top: -5px;
}

.zk-burger i::after {
    content: "";
    position: absolute;
    top: 5px;
}

@media (max-width: 900px) {
    .zk-top {
        height: auto;
        padding: 11px 20px;
        flex-wrap: wrap;
        gap: 12px;
    }

    .zk-burger {
        display: grid;
        order: 2;
        margin-left: auto;
    }

    .zk-search {
        order: 3;
        flex-basis: 100%;
        max-width: none;
        margin-left: 0;
    }

    .zk-bar {
        display: none;
        order: 4;
        flex-basis: 100%;
    }

    .zk-bar.open {
        display: block;
    }

    .zk-menu {
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding-bottom: 6px;
    }

    .zk-menu > li > a,
    .zk-menu > li > button {
        padding: 10px 0;
        width: 100%;
        justify-content: space-between;
    }

    .zk-menu > li.current::after {
        left: 0;
        right: auto;
        width: 18px;
    }

    .zk-drop {
        position: static;
        box-shadow: none;
        border: 0;
        padding: 0 0 6px 12px;
    }
}

/* ---------- FOOTER ---------- */
.zk-footer {
    margin-top: 60px;
    background: var(--zk-ground);
    border-top: 1px solid var(--line);
    font-family: var(--sans);
    line-height: 1.5;
}

.zk-footer .zk-rule {
    transform: scaleY(-1);
    opacity: .85;
}

.zk-footer-in {
    max-width: 1180px;
    margin: 0 auto;
    padding: 34px 20px 30px;
    display: grid;
    grid-template-columns: 1.35fr 1fr 1fr .85fr;
    gap: 30px;
}

@media (max-width: 900px) {
    .zk-footer-in {
        grid-template-columns: 1fr 1fr;
        gap: 28px;
    }
}

@media (max-width: 560px) {
    .zk-footer-in {
        grid-template-columns: 1fr;
    }
}

.zk-w h3 {
    font-family: var(--mono);
    font-size: 10px;
    font-weight: 400;
    letter-spacing: 0.13em;
    text-transform: uppercase;
    color: var(--text-3);
    padding-bottom: 9px;
    margin-bottom: 11px;
    border-bottom: 1px solid var(--line);
}

.zk-w p {
    font-size: 13px;
    color: var(--text-2);
    line-height: 1.6;
    margin: 0;
}

.zk-w ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.zk-w li {
    list-style: none;
}

.zk-w a {
    color: var(--text-2);
    text-decoration: none;
    font-size: 13px;
}

.zk-w a:hover {
    color: var(--text);
}

.zk-w a:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
    border-radius: 3px;
}

.zk-facts {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-top: 14px;
}

.zk-facts div {
    display: flex;
    flex-direction: column;
    gap: 1px;
}

.zk-facts b {
    font-family: var(--mono);
    font-size: 16px;
    font-variant-numeric: tabular-nums;
    letter-spacing: -0.02em;
    color: var(--text);
}

.zk-facts span {
    font-family: var(--mono);
    font-size: 9.5px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-3);
}

.zk-preset {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 10px;
    width: 100%;
    font: inherit;
    font-size: 13px;
    color: var(--text-2);
    text-decoration: none;
    background: none;
    border: 0;
    border-bottom: 1px dotted var(--line);
    padding: 6px 0;
    cursor: pointer;
    text-align: left;
}

.zk-preset:hover {
    color: var(--text);
}

.zk-preset:hover b {
    color: var(--accent);
}

.zk-preset b {
    font-family: var(--mono);
    font-size: 12px;
    font-variant-numeric: tabular-nums;
    font-weight: 500;
    color: var(--text-3);
    white-space: nowrap;
}

.zk-preset:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
    border-radius: 3px;
}

.zk-cats a {
    display: flex;
    align-items: center;
    gap: 9px;
    padding: 4px 0;
}

.zk-cats i {
    width: 3px;
    height: 14px;
    border-radius: 2px;
    background: var(--dot);
    flex: none;
}

.zk-links {
    gap: 6px !important;
}

.zk-links a {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.zk-links svg {
    width: 14px;
    height: 14px;
    fill: currentColor;
    color: var(--text-3);
    flex: none;
}

.zk-mail {
    font-family: var(--mono);
    font-size: 11.5px;
    margin-top: 10px;
    color: var(--text-3);
}

.zk-sub {
    border-top: 1px solid var(--line);
}

.zk-sub-in {
    max-width: 1180px;
    margin: 0 auto;
    padding: 14px 20px;
    display: flex;
    flex-wrap: wrap;
    gap: 6px 20px;
    font-family: var(--mono);
    font-size: 10.5px;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--text-3);
}

.zk-sub-in .right {
    margin-left: auto;
}

@media (prefers-reduced-motion: reduce) {
    .zk-nav *, .zk-footer * {
        transition: none !important;
    }
}