/**
 * Layout: Container, Header, Footer, Raster
 */

/* ─── Container ──────────────────────────────────── */

.container {
    width: 100%;
    max-width: var(--max-width);
    margin-left: auto;
    margin-right: auto;
    padding-left: 1.5rem;
    padding-right: 1.5rem;
}

.container--narrow {
    max-width: 660px;
}

.main {
    min-height: 60vh;
}

/* ─── Header ─────────────────────────────────────── */

.site-header {
    background: rgba(254, 252, 248, 0.92);
    backdrop-filter: blur(16px) saturate(1.4);
    -webkit-backdrop-filter: blur(16px) saturate(1.4);
    border-bottom: 1px solid var(--color-border-subtle);
    position: sticky;
    top: 0;
    z-index: 50;
    overflow: visible;
    animation: fadeIn 0.3s var(--ease-out) both;
}

.site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    min-height: 4.25rem;
}

/* ─── Logo ───────────────────────────────────────── */

.site-logo {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    text-decoration: none;
    transition: opacity var(--duration-sm) var(--ease);
}

.site-logo:hover {
    opacity: 0.82;
}

.site-logo__mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: transform var(--duration-md) var(--ease-spring);
    animation: logoPulseHeader 5s ease-in-out infinite;
}

@keyframes logoPulseHeader {
    0%, 100% { filter: drop-shadow(0 2px 6px rgba(15, 82, 186, 0.2)); }
    50%       { filter: drop-shadow(0 4px 12px rgba(15, 82, 186, 0.42)); }
}

.site-logo:hover .site-logo__mark {
    transform: scale(1.06);
}

.site-logo__text {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 800;
    letter-spacing: -0.04em;
    line-height: 1;
}

.logo-lehrer {
    color: #0C0C0C;
}

.logo-land {
    color: var(--color-primary);
}

/* ─── Mobile Hamburger ───────────────────────────── */

.nav-toggle {
    display: none;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 5px;
    width: 2.75rem;
    height: 2.75rem;
    padding: 0;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-surface);
    cursor: pointer;
    transition: border-color var(--duration-sm) var(--ease),
                background  var(--duration-sm) var(--ease);
}

.nav-toggle:hover {
    border-color: var(--color-primary);
    background: var(--color-primary-light);
}

.nav-toggle__bar {
    display: block;
    width: 1.15rem;
    height: 1.5px;
    background: var(--color-text);
    border-radius: 2px;
    transition: background var(--duration-sm) var(--ease);
}

.nav-toggle:hover .nav-toggle__bar {
    background: var(--color-primary);
}

/* ─── Navigation ─────────────────────────────────── */

.site-nav__list {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.15rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.admin-gear-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.25rem;
    height: 2.25rem;
    border-radius: 999px;
    border: 1px solid var(--color-border);
    color: var(--color-muted);
    background: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: 1.05rem;
    transition: color var(--duration-sm) var(--ease),
                background var(--duration-sm) var(--ease),
                border-color var(--duration-sm) var(--ease),
                transform var(--duration-sm) var(--ease-spring);
}

.admin-gear-link:hover {
    color: var(--color-primary);
    border-color: var(--color-primary-mid);
    background: var(--color-primary-light);
    transform: rotate(20deg);
}

.site-nav__item {
    position: relative;
    list-style: none;
}

.site-nav__link {
    display: inline-block;
    padding: 0.4rem 0.7rem;
    color: var(--color-text);
    font-weight: 500;
    font-size: 0.95rem;
    text-decoration: none;
    border-radius: var(--radius-xs);
    letter-spacing: -0.01em;
    transition: color var(--duration-sm) var(--ease),
                background var(--duration-sm) var(--ease);
    position: relative;
}

.site-nav__link::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 0.7rem;
    right: 0.7rem;
    height: 1.5px;
    background: var(--color-primary);
    border-radius: 2px;
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--duration-md) var(--ease-out);
}

.site-nav__link:hover {
    color: var(--color-primary);
    background: var(--color-primary-light);
}

.site-nav__link:hover::after,
.site-nav__link[aria-current="page"]::after {
    transform: scaleX(1);
}

.site-nav__link[aria-current="page"] {
    color: var(--color-primary);
    font-weight: 600;
}

/* ─── Chevron im Nav-Link ────────────────────────── */

.site-nav__chevron {
    display: inline-block;
    vertical-align: middle;
    margin-left: 0.2rem;
    transition: transform var(--duration-md) var(--ease);
    opacity: 0.6;
}

.site-nav__item--has-sub:hover .site-nav__chevron,
.site-nav__item--has-sub:focus-within .site-nav__chevron {
    transform: rotate(180deg);
    opacity: 1;
}

/* ─── Dropdown Produkte ──────────────────────────── */

.site-nav__sub {
    list-style: none;
    margin: 0;
    padding: 0.5rem;
    position: absolute;
    left: 0;
    top: calc(100% + 6px);
    min-width: 17rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    z-index: 200;
}

.site-nav__sub-link {
    display: flex;
    align-items: center;
    padding: 0.55rem 0.85rem;
    color: var(--color-text);
    font-weight: 500;
    font-size: 0.92rem;
    text-decoration: none;
    border-radius: var(--radius-xs);
    letter-spacing: -0.01em;
    transition: background var(--duration-sm) var(--ease),
                color     var(--duration-sm) var(--ease);
}

.site-nav__sub-link::before {
    content: '';
    display: inline-block;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--color-border);
    margin-right: 0.65rem;
    flex-shrink: 0;
    transition: background var(--duration-sm) var(--ease);
}

.site-nav__sub-link:hover,
.site-nav__sub-link:focus,
.site-nav__sub-link[aria-current="page"] {
    background: var(--color-primary-light);
    color: var(--color-primary);
}

.site-nav__sub-link:hover::before,
.site-nav__sub-link[aria-current="page"]::before {
    background: var(--color-primary);
}

@media (min-width: 769px) {
    .site-nav__item--has-sub .site-nav__sub {
        opacity: 0;
        visibility: hidden;
        pointer-events: none;
        transform: translateY(-8px) scale(0.97);
        transform-origin: top left;
        transition: opacity  var(--duration-md) var(--ease),
                    visibility var(--duration-md) var(--ease),
                    transform  var(--duration-md) var(--ease-out);
    }

    .site-nav__item--has-sub:hover .site-nav__sub,
    .site-nav__item--has-sub:focus-within .site-nav__sub {
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
        transform: translateY(0) scale(1);
    }

    /* Aktiven Zweig nur farblich markieren, kein erzwungenes Dropdown */
    .site-nav__item--active-branch > .site-nav__link--parent {
        color: var(--color-primary);
        font-weight: 600;
    }
}

/* ─── Mobile Nav ─────────────────────────────────── */

@media (max-width: 768px) {
    .nav-toggle {
        display: inline-flex;
    }

    .site-nav {
        display: none;
        width: 100%;
        padding: 0.5rem 0 0.75rem;
    }

    .site-nav.is-open {
        display: block;
    }

    .site-header__inner {
        flex-wrap: wrap;
    }

    .admin-gear-link {
        margin-left: auto;
    }

    .site-nav__list {
        flex-direction: column;
        gap: 0;
        width: 100%;
    }

    .site-nav__item {
        width: 100%;
    }

    .site-nav__link {
        display: block;
        padding: 0.7rem 0.5rem;
        border-radius: 0;
        border-bottom: 1px solid var(--color-border-subtle);
    }

    .site-nav__link::after {
        display: none;
    }

    .site-nav__sub {
        position: static;
        display: block;
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
        transform: none;
        box-shadow: none;
        border: none;
        border-radius: 0;
        padding: 0 0 0.5rem 0.85rem;
        margin: 0;
        min-width: 0;
        border-left: 2px solid var(--color-primary-mid);
    }

    .site-nav__sub-link {
        padding: 0.45rem 0.5rem;
    }
}

/* ─── Footer ─────────────────────────────────────── */

.site-footer {
    margin-top: 4rem;
    padding: 3rem 0 1.75rem;
    background: var(--color-night);
    color: rgba(247, 244, 238, 0.85);
    font-size: 0.93rem;
}

.site-footer a {
    color: rgba(247, 244, 238, 0.75);
    text-decoration: none;
    transition: color var(--duration-sm) var(--ease);
}

.site-footer a:hover {
    color: #fff;
}

.site-footer__grid {
    display: grid;
    gap: 2.5rem;
    grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
}

.site-footer__brand {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 1.15rem;
    letter-spacing: -0.04em;
    margin: 0 0 0.6rem;
    color: #fff;
}

.site-footer__brand .logo-lehrer {
    color: #fff;
}

.site-footer__brand .logo-land {
    color: rgba(147, 196, 255, 0.95);
}

.site-footer__tagline {
    margin: 0;
    font-size: 0.88rem;
    line-height: 1.55;
    opacity: 0.75;
}

.site-footer__heading {
    font-weight: 600;
    font-size: 0.78rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: rgba(247, 244, 238, 0.5);
    margin: 0 0 1rem;
}

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

.site-footer__links li {
    margin-bottom: 0.55rem;
}

.site-footer__bottom {
    margin-top: 2.5rem;
    padding-top: 1.25rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.83rem;
    opacity: 0.55;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.5rem;
}

/* ─── Grids ──────────────────────────────────────── */

.grid {
    display: grid;
    gap: 1.5rem;
}

.grid--cards {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.grid--wide {
    grid-template-columns: 1fr;
}

@media (min-width: 900px) {
    .grid--wide {
        grid-template-columns: repeat(2, 1fr);
    }
}