/* ============================================================
   layout.css — Header, Navigation, Footer, Grid
   TG Physio
   ============================================================ */

/* ---- Site Header ---- */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background-color: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    box-shadow: 0 2px 12px rgba(44,66,81,.10);
}

/* Topbar */
.site-header__topbar {
    background-color: var(--color-primary);
    color: rgba(255,255,255,0.80);
    font-size: 0.75rem;
    line-height: 1;
    padding-block: 0.5rem;
}

.site-header__topbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
}

.site-header__topbar-contact,
.site-header__topbar-locations {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.site-header__topbar-item {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    color: rgba(255,255,255,0.80);
    text-decoration: none;
    transition: color 0.15s;
    white-space: nowrap;
}

a.site-header__topbar-item:hover {
    color: #fff;
    text-decoration: none;
}

.site-header__topbar-item--location {
    color: rgba(255,255,255,0.65);
    font-size: 0.72rem;
}

.site-header__topbar-divider {
    color: rgba(255,255,255,0.25);
    font-size: 0.75rem;
}

/* Main header row */
.site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 90px;
}

/* Logo */
.site-header__logo {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.site-header__logo-img {
    height: 58px;
    width: auto;
    display: block;
}

.site-header__logo:hover {
    opacity: 0.85;
}

/* ---- Navigation ---- */
.site-nav {
    display: flex;
    align-items: center;
    gap: 0.125rem;
    list-style: none;
    padding: 0;
    margin: 0;
}

.site-nav a {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text-muted);
    text-decoration: none;
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius-sm);
    transition: color 0.15s, background-color 0.15s;
}

.site-nav a:hover {
    color: var(--color-primary);
    background-color: var(--color-primary-lt);
    text-decoration: none;
}

.site-nav a.active {
    color: var(--color-primary);
    background-color: var(--color-primary-lt);
    font-weight: 600;
}

/* ---- Dropdown ---- */
.menu-item-has-children {
    position: relative;
}

/* Pfeil-Button neben dem Link */
.submenu-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: none;
    padding: 0.25rem;
    cursor: pointer;
    color: var(--color-text-muted);
    border-radius: var(--radius-sm);
    transition: color 0.15s, background-color 0.15s, transform 0.2s;
    vertical-align: middle;
    margin-left: -0.25rem;
}

.submenu-toggle:hover {
    color: var(--color-primary);
    background-color: var(--color-primary-lt);
}

.menu-item-has-children.is-open > .submenu-toggle,
.menu-item-has-children:hover > .submenu-toggle {
    color: var(--color-primary);
    transform: rotate(180deg);
}

/* Dropdown-Menü */
.sub-menu {
    display: block;
    visibility: hidden;
    opacity: 0;
    pointer-events: none;
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 200px;
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: 0 8px 24px rgba(44,66,81,.12);
    padding: 0.375rem;
    list-style: none;
    margin: 0;
    z-index: 200;
    transform: translateY(-6px);
    transition: opacity 0.15s, transform 0.15s, visibility 0.15s;
}

/* Desktop: Hover öffnet */
@media (min-width: 901px) {
    /* Invisible bridge prevents gap from closing dropdown on mouse-over */
    .menu-item-has-children::after {
        content: '';
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        height: 8px;
        display: block;
        z-index: 199;
    }

    .menu-item-has-children:hover > .sub-menu,
    .menu-item-has-children.is-open > .sub-menu {
        visibility: visible;
        opacity: 1;
        pointer-events: auto;
        transform: translateY(0);
    }

    .submenu-toggle {
        display: inline-flex;
    }
}

/* Mobile: nur via .is-open */
@media (max-width: 900px) {
    .sub-menu {
        display: none;
        visibility: visible;
        opacity: 1;
        pointer-events: auto;
        position: static;
        box-shadow: none;
        border: none;
        border-radius: 0;
        background-color: var(--color-primary-lt);
        transform: none;
        padding: 0.25rem 0 0.25rem var(--space-md);
        margin-bottom: 0.25rem;
    }

    .menu-item-has-children.is-open > .sub-menu {
        display: block;
    }
}

.sub-menu a {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-muted);
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius-sm);
    text-decoration: none;
    transition: color 0.15s, background-color 0.15s;
    white-space: nowrap;
}

.sub-menu a:hover {
    color: var(--color-primary);
    background-color: var(--color-primary-lt);
    text-decoration: none;
}

/* ---- Mobile nav toggle */
.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-sm);
    flex-direction: column;
    gap: 5px;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--color-text);
    border-radius: 2px;
    transition: transform 0.2s;
}

/* ---- Main Content ---- */
.site-main {
    min-height: calc(100vh - 128px - 240px);
}

/* ---- Site Footer ---- */
.site-footer {
    background-color: var(--color-primary);
    color: rgba(255,255,255,0.6);
    padding-block: var(--space-2xl);
    margin-top: 0;
}

.site-footer__inner {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2xl);
    justify-content: space-between;
    align-items: flex-start;
}

.site-footer__brand-col {
    max-width: 280px;
}

.site-footer__logo {
    display: block;
    width: 44px;
    height: auto;
    margin-bottom: var(--space-sm);
}

.site-footer__brand {
    font-size: 1.25rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: var(--space-xs);
}

.site-footer__brand-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    background-color: var(--color-accent);
    color: var(--color-text);
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: 4px;
    vertical-align: middle;
    margin-right: 0.2em;
}

.site-footer__tagline {
    font-size: 0.875rem;
    color: rgba(255,255,255,0.6);
    margin-bottom: var(--space-md);
    line-height: 1.4;
}

.site-footer__bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    margin-top: var(--space-2xl);
}

.site-footer__bottom-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-md);
    padding-top: var(--space-md);
    padding-bottom: var(--space-md);
    flex-wrap: wrap;
}

.site-footer__copy {
    font-size: 0.8125rem;
    color: rgba(255,255,255,0.4);
    margin: 0;
}

.site-footer__legal {
    display: flex;
    gap: var(--space-lg);
}

.site-footer__legal a {
    font-size: 0.8125rem;
    color: rgba(255,255,255,0.4);
    text-decoration: none;
    transition: color 0.15s;
}

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

.site-footer__locations {
    display: flex;
    gap: var(--space-2xl);
    flex-wrap: wrap;
}

.site-footer__contact-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.site-footer__contact-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: rgba(255,255,255,0.6);
    line-height: 1.4;
}

.site-footer__contact-list svg {
    flex-shrink: 0;
    margin-top: 0.15em;
    opacity: 0.6;
}

.site-footer__contact-list a {
    color: rgba(255,255,255,0.6);
    text-decoration: none;
    transition: color 0.15s;
}

.site-footer__contact-list a:hover {
    color: #fff;
    text-decoration: none;
}

.site-footer__contact-list--brand {
    margin-top: var(--space-sm);
    margin-bottom: var(--space-md);
}
.site-footer__contact-list--brand li:first-child {
    color: rgba(255,255,255,0.9);
    font-weight: 600;
}

/* ---- Section Spacing ---- */
.section {
    padding-block: var(--space-3xl);
}

.section--alt {
    background: linear-gradient(135deg, var(--color-primary-lt) 0%, #ffffff 100%);
}

.section--teal {
    background-color: var(--color-primary);
    color: #fff;
    border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}

.section__heading {
    text-align: center;
    margin-bottom: var(--space-2xl);
}

.section__heading h2 {
    margin-bottom: var(--space-sm);
    color: var(--color-text);
}

.section__heading p {
    color: var(--color-text-muted);
    font-size: 1.0625rem;
    max-width: 560px;
    margin-inline: auto;
    margin-bottom: 0;
}

.section-title-left {
    margin-bottom: var(--space-xl);
}

/* ---- Grid ---- */
.grid {
    display: grid;
    gap: var(--space-xl);
}

.grid--2 { grid-template-columns: repeat(auto-fill, minmax(min(100%, 480px), 1fr)); }
.grid--3 { grid-template-columns: repeat(auto-fill, minmax(min(100%, 300px), 1fr)); }
.grid--4 { grid-template-columns: repeat(auto-fill, minmax(min(100%, 220px), 1fr)); }

/* ---- Responsive ---- */
@media (max-width: 900px) {
    .nav-toggle {
        display: flex;
    }

    .site-nav {
        display: none;
        position: absolute;
        top: 90px;
        left: 0;
        right: 0;
        background-color: var(--color-bg);
        border-bottom: 1px solid var(--color-border);
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding: var(--space-sm) var(--space-md);
        box-shadow: 0 8px 24px rgba(0,0,0,.1);
    }

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

    .site-nav a {
        padding: var(--space-md) var(--space-md);
        border-radius: var(--radius-sm);
    }

    .site-footer__inner {
        flex-direction: column;
    }

    .site-footer__brand-col {
        max-width: 100%;
    }

    .site-header__topbar-locations {
        display: none;
    }

    .site-header__topbar-contact {
        gap: 0.75rem;
    }

    .site-footer__locations {
        gap: var(--space-xl);
    }
}