/* ========================================
   NordSAR – Header CSS
======================================== */

.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255,255,255,0.97);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-light);
    box-shadow: 0 2px 20px rgba(10,61,107,0.08);
    transition: all var(--transition);
}
.site-header.scrolled {
    box-shadow: 0 4px 30px rgba(10,61,107,0.14);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    height: 70px;
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    flex-shrink: 0;
}
.logo-icon {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.3rem;
    flex-shrink: 0;
    box-shadow: 0 4px 12px rgba(10,61,107,0.25);
}
.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}
.logo-main {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--primary);
    letter-spacing: 0.04em;
}
.logo-sub {
    font-size: 0.7rem;
    color: var(--text-muted);
    font-weight: 500;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

/* Navigation */
.main-nav ul {
    display: flex;
    gap: 0.25rem;
    align-items: center;
}
.main-nav a {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.5rem 0.9rem;
    border-radius: var(--radius-sm);
    color: var(--text);
    font-weight: 600;
    font-size: 0.88rem;
    transition: all var(--transition);
    white-space: nowrap;
}
.main-nav a i { font-size: 0.82rem; color: var(--text-muted); }
.main-nav a:hover,
.main-nav a.active {
    color: var(--primary-light);
    background: rgba(26,95,168,0.08);
}
.main-nav a.active i { color: var(--primary-light); }
.main-nav a:hover i { color: var(--primary-light); }

/* Hamburger */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
    border-radius: var(--radius-sm);
    transition: background var(--transition);
    z-index: 1100;
}
.hamburger:hover { background: var(--bg-section); }
.hamburger span {
    display: block;
    width: 24px;
    height: 2.5px;
    background: var(--text);
    border-radius: 2px;
    transition: all var(--transition);
    transform-origin: center;
}
.hamburger.active span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.active span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

/* Header spacer */
.header-spacer { height: 70px; }

/* Mobile Nav */
@media (max-width: 960px) {
    .hamburger { display: flex; }
    .main-nav {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: rgba(255,255,255,0.98);
        backdrop-filter: blur(16px);
        border-top: 1px solid var(--border-light);
        padding: 1rem 0 1.5rem;
        transform: translateY(-100%);
        opacity: 0;
        pointer-events: none;
        transition: all var(--transition);
        box-shadow: 0 8px 32px rgba(10,61,107,0.12);
        z-index: 999;
        /* Scrollbar falls viele Links */
        max-height: calc(100vh - 70px);
        overflow-y: auto;
    }
    .main-nav.open {
        transform: translateY(0);
        opacity: 1;
        pointer-events: auto;
    }
    .main-nav ul {
        flex-direction: column;
        align-items: stretch;
        padding: 0 1rem;
        gap: 0.25rem;
    }
    /* Touch-freundliche Link-Höhe (min 48px) */
    .main-nav a {
        padding: 0.9rem 1rem;
        font-size: 1rem;
        min-height: 48px;
        border-radius: var(--radius-md);
    }
    .btn-notfall-header { gap: 0.3rem; }
    .btn-notfall-header span { display: none; }
}

@media (max-width: 480px) {
    .logo-sub { display: none; }
    .logo-main { font-size: 1.1rem; }
    .header-inner { height: 60px; gap: 0.75rem; }
    .header-spacer { height: 60px; }
    .main-nav { top: 60px; max-height: calc(100vh - 60px); }
    .logo-icon { width: 38px; height: 38px; font-size: 1.1rem; }
    /* Hamburger größer für Touch */
    .hamburger { padding: 10px; }
    .hamburger span { width: 22px; }
}