/**
 * leerraeume - Layout Styles
 * ============================
 * CSS für Header, Navigation (Bootstrap Navbar) und Footer
 */

/* ========================================
   HEADER & BOOTSTRAP NAVBAR
   ======================================== */
/*
.site-header {
    background-color: var(--color-bg);
    position: sticky;
    top: 0;
    z-index: 100;
}
*/
.site-header {
    background-color: var(--color-bg);
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 1.5rem 0;
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.site-header.scrolled {
    padding: 0.5rem 0;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.2);
}

.navbar-brand {
    transition: font-size 0.3s ease;
}

.site-header.scrolled .navbar-brand {
    font-size: 1.2rem;
}

/* Navbar allgemein */
.navbar {
    padding: var(--space-2) 0;
}

/* === BRAND/LOGO === */
/*
.navbar-brand {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    text-decoration: none;
    color: var(--color-text);
    padding: 0;
}
*/
.navbar-brand:hover,
.navbar-brand:focus {
    color: var(--color-text);
}

.brand-name {
    font-family: var(--font-heading);
    font-size: var(--font-size-xl);
    font-weight: 700;
    letter-spacing: var(--letter-spacing-wide);
    padding-left: 0.5rem;

}

.brand-accent {
    color: var(--color-secondary);
}
/*
.brand-tagline {
    font-size: var(--font-size-xs);
    color: var(--color-secondary);
    letter-spacing: var(--letter-spacing-wide);
    text-transform: uppercase;
    padding-left: 0rem;
    margin-top: 0cm;
}
*/
/* ========================================
   BRAND - Shrinking Animation
   ======================================== */

.brand {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
    text-decoration: none;
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.brand-name {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--color-text);
    line-height: 1;
    transition: font-size 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.brand-tagline {
    font-family: var(--font-body);
    font-size: 1.2rem;
    font-weight: 400;
    color: var(--color-secondary);
    padding-left: 3.0rem;
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.brand-accent {
    color: var(--color-secondary);
}

/* Scrolled State */
.site-header.scrolled .brand-name {
    font-size: 1.5rem;
}

.site-header.scrolled .brand-tagline {
    font-size: 0.8rem;
    padding-left: 2.0rem;
}

/* Mobile */
@media (max-width: 768px) {
    .brand-name {
        font-size: 1.6rem;
    }
    
    .brand-tagline {
        font-size: 0.8rem;
    }
    
    .site-header.scrolled .brand-name {
        font-size: 1.3rem;
    }
    
    .site-header.scrolled .brand-tagline {
        font-size: 0.7rem;
    }
}

/* === NAVIGATION LINKS === */

.navbar-nav {
    gap: var(--space-2);
}

.nav-link {
    color: var(--color-text) !important;
    font-weight: 500;
    font-size: var(--font-size-base);
    padding: var(--space-1) var(--space-2) !important;
    border-radius: var(--border-radius-sm);
    transition: all var(--transition-fast);
    position: relative;
}

.nav-link:hover {
    color: var(--color-secondary) !important;
    background-color: var(--color-bg-secondary);
}

/* Aktiver Link */
.nav-link.active {
    color: var(--color-secondary) !important;
}

/* Unterstreichen bei Hover */
.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background-color: var(--color-secondary);
    transition: all var(--transition-base);
    transform: translateX(-50%);
}

.nav-link:hover::after {
    width: 80%;
}

/* === MOBILE HAMBURGER BUTTON === */

.navbar-toggler {
    border: 2px solid var(--color-accent);
    padding: var(--space-1) var(--space-2);
    border-radius: var(--border-radius-sm);
}

.navbar-toggler:focus {
    box-shadow: 0 0 0 0.15rem rgba(230, 126, 34, 0.25);
}

/* Hamburger Icon Farbe anpassen */
.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(44, 62, 80, 1)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* Dark Mode: Hamburger Icon heller */
@media (prefers-color-scheme: dark) {
    .navbar-toggler-icon {
        background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(236, 240, 241, 1)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
    }
}

/* ========================================
   FOOTER
   ======================================== */

.site-footer {
    background-color: var(--color-bg-secondary);
    border-top: 1px solid var(--color-accent);
    padding: var(--space-6) 0 var(--space-4);
    margin-top: var(--space-8);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-5);
    margin-bottom: var(--space-5);
}

.footer-brand {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    font-weight: 700;
    letter-spacing: var(--letter-spacing-wide);
    color: var(--color-text);
    line-height: 1;
    margin-bottom: 0;
}

.footer-tagline {
    font-family: var(--font-body);
    font-size: 1.2rem;
    font-weight: 400;
    color: var(--color-secondary);
    padding-left: 2.0rem;
    margin-bottom: var(--space-2);
}

.footer-tagline-2 {
    color: var(--color-text);
    font-size: var(--font-size-sm);
    margin-bottom: 0;
}

.footer-nav h4,
.footer-legal h4,
.footer-contact h4 {
    font-size: var(--font-size-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-wide);
    color: var(--color-text);
    margin-bottom: var(--space-2);
}

.footer-nav ul,
.footer-legal ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-nav li,
.footer-legal li {
    margin-bottom: var(--space-1);
}

.footer-nav a,
.footer-legal a {
    color: var(--color-text);
    font-size: var(--font-size-sm);
}

.footer-contact p {
    font-size: var(--font-size-sm);
    margin-bottom: var(--space-2);
    color: var(--color-text);
}

.footer-contact a {
    color: var(--color-secondary);
    font-weight: 500;
}

/* Footer Bottom */
.footer-bottom {
    border-top: 1px solid var(--color-accent);
    padding-top: var(--space-4);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-2);
}

.footer-bottom p {
    font-size: var(--font-size-xs);
    color: var(--color-text);
    margin: 0;
}

.footer-credit {
    font-style: italic;
}

/* ========================================
   RESPONSIVE
   ======================================== */

/* Tablet & Mobile - Bootstrap übernimmt bereits viel! */
@media (max-width: 991px) {
    /* Navbar wird zusammengeklappt */
    .navbar-collapse {
        margin-top: var(--space-3);
    }
    
    .navbar-nav {
        gap: 0;
    }
    
    .nav-link {
        padding: var(--space-2) 0 !important;
        border-bottom: 1px solid var(--color-accent);
    }
    
    .nav-link:last-child {
        border-bottom: none;
    }
    
    .nav-link::after {
        display: none; /* Kein Unterstrich auf Mobile */
    }
}

@media (max-width: 768px) {
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .site-header {
        padding: 0;
    }
    
    .navbar {
        padding: var(--space-2) 0;
    }
    
    .brand-name {
        font-size: var(--font-size-lg);
    }
}

/* ========================================
   SCROLL PROGRESS BAR
   ======================================== */

.scroll-progress {
    position: absolute;
    bottom: 0;
    left: 0;
    height: 3px;
    background: linear-gradient(
        90deg,
        var(--color-secondary) 0%,
        var(--color-primary) 100%
    );
    width: 0%;
    z-index: 9999;
    transition: width 0.1s ease-out;
}