/* ============================================================
   KALT & DUNKEL — Layout
   Header, Navigation, Content-Container, Grid-System, Footer
   ============================================================ */

/* === Header === */
.site-header {
    background: rgba(10, 10, 17, 0.92);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(16px) saturate(1.4);
    -webkit-backdrop-filter: blur(16px) saturate(1.4);
}

.header-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.site-logo { display: flex; align-items: center; }
.logo-img { height: 40px; width: auto; }

/* === Navigation === */
.main-nav ul { list-style: none; }
.main-nav > ul { display: flex; gap: 0; }

.main-nav a {
    display: block;
    padding: 0.5rem 0.9rem;
    color: var(--color-text-muted);
    font-family: var(--font-body);
    font-size: 0.82rem;
    font-weight: 500;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    transition: color var(--transition);
    position: relative;
}

.main-nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0.9rem;
    right: 0.9rem;
    height: 2px;
    background: var(--color-accent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition);
}

.main-nav li.active > a,
.main-nav a:hover {
    color: var(--color-text);
}

.main-nav li.active > a::after,
.main-nav a:hover::after {
    transform: scaleX(1);
}

.nav-toggle {
    display: none;
    background: none;
    border: 1px solid var(--color-border);
    color: var(--color-text);
    font-size: 1.2rem;
    cursor: pointer;
    padding: 0.4rem 0.6rem;
    min-height: 44px;
    min-width: 44px;
    border-radius: var(--radius);
    transition: border-color var(--transition);
}
.nav-toggle:hover { border-color: var(--color-accent); }

/* === Main Content === */
.main-content {
    width: 100%;
    flex: 1;
}

/* Startseite: kein Padding */
.page-home .main-content {
    padding: 0;
}

/* === Page Content Wrapper === */
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(16px); }
    to   { opacity: 1; transform: translateY(0); }
}

.page-content {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 2.5rem 1.5rem;
    animation: fadeUp 0.5s cubic-bezier(0.4, 0, 0.2, 1) both;
}

.page-content h1 {
    margin-bottom: 0.25rem;
    line-height: 1; /* base: 1.1 */
}

/* Gelbe Akzentlinie unter Seitentiteln */
.page-content h1::after {
    content: '';
    display: block;
    width: 3rem;
    height: 3px;
    background: var(--color-accent);
    margin: 0.75rem 0 1.75rem;
}

.page-content h2 {
    font-size: 1.6rem; /* base: 1.8rem */
    margin: 2.5rem 0 1rem;
}
/* p, ul, ol: Basis aus base.css */
.page-content p a, .page-content li a { border-bottom: 1px solid var(--color-accent-dim); }
.page-content p a:hover, .page-content li a:hover { border-bottom-color: var(--color-accent); color: var(--color-accent); }

/* Generische Tabellen im page-content (z.B. Mitgliederbereich) */
.page-content table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
    margin: 1rem 0 1.5rem;
}

.page-content th {
    padding: 0.6rem 0.85rem;
    background: var(--color-surface);
    border-bottom: 2px solid var(--color-border);
    color: var(--color-text-muted); /* base: accent */
    font-size: 0.8rem;              /* base: 0.72rem — generische Tabellen etwas grösser */
}

.page-content td {
    padding: 0.6rem 0.85rem;
    border-bottom: 1px solid var(--color-border);
    /* color + vertical-align: aus base */
}

.page-content tr:last-child td { border-bottom: none; }

.page-content td[align="right"],
.page-content th[align="right"] {
    text-align: right;
}

/* ============================================================
   Content Grid System
   4-Spalten-Raster für konsistente Seitenlayouts

   Verwendung:
     <div class="content-grid">
       <div class="col-1">...</div>  ← 25%
       <div class="col-3">...</div>  ← 75%
     </div>

   Varianten:
     content-grid--tight  → engerer Gap (--grid-gap-sm)
   ============================================================ */

.content-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--grid-gap);
    align-items: start;
}

.col-1 { grid-column: span 1; }
.col-2 { grid-column: span 2; }
.col-3 { grid-column: span 3; }
.col-4 { grid-column: span 4; }

/* Gap-Variante: enger */
.content-grid--tight { gap: var(--grid-gap-sm); }

/* Tablet: 2 Spalten */
@media (max-width: 900px) {
    .content-grid { grid-template-columns: repeat(2, 1fr); }
    .col-3, .col-4 { grid-column: span 2; }
}

/* Mobile: 1 Spalte */
@media (max-width: 600px) {
    .content-grid { grid-template-columns: 1fr; }
    .col-1, .col-2, .col-3, .col-4 { grid-column: span 1; }
}

/* === Footer === */
.site-footer {
    border-top: 1px solid var(--color-border);
    padding: 2.5rem 1.5rem;
    text-align: center;
    color: var(--color-text-muted);
    font-size: 0.82rem;
    background: var(--color-deep);
}

.footer-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    align-items: center;
}

.footer-copy { letter-spacing: 0.04em; }

.footer-nav {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
}

.footer-nav a {
    color: var(--color-text-muted);
    font-size: 0.8rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.footer-nav a:hover { color: var(--color-accent); }

/* === Responsive: Navigation === */
@media (max-width: 900px) {
    .main-nav ul { gap: 0; }
    .main-nav a { padding: 0.5rem 0.65rem; font-size: 0.78rem; }
}

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

    .main-nav {
        display: none;
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background: rgba(10, 10, 17, 0.98);
        border-bottom: 1px solid var(--color-border);
        padding: 1rem 1.5rem 1.5rem;
        backdrop-filter: blur(16px);
    }

    .main-nav.open { display: block; }
    .main-nav > ul { flex-direction: column; gap: 0; }
    .main-nav a { padding: 0.65rem 0; font-size: 0.85rem; }
    .main-nav a::after { display: none; }

    .page-content h1 { font-size: 2.5rem; }
    .home-intro { padding: 2rem 1.5rem; }
}