/* ==========================================================================
   Layout Styles - Header, Navigation, Hero, Sections, Footer
   ========================================================================== */

/* Header */
.header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--c-white);
    border-bottom: 1px solid var(--c-border);
    box-shadow: 0 2px 4px rgba(26, 26, 26, 0.1);
}

.header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md) 0;
}

.header__logo {
    flex-shrink: 0;
}

.header__logo img {
    width: 60px;
    height: 60px;
}

/* Navigation */
.nav {
    margin-left: auto;
}

.nav__list {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    list-style: none;
}

.nav__link {
    display: flex;
    align-items: center;
    padding: var(--space-sm) var(--space-md);
    font-weight: 500;
    color: var(--c-text);
    transition: all var(--transition-fast);
    border-radius: 4px;
    min-height: 44px; /* Accessibility: minimum touch target */
}

.nav__link:hover,
.nav__link:focus {
    background: rgba(0, 85, 164, 0.1);
    color: var(--c-primary);
    text-decoration: none;
}

.nav__link--active {
    background: var(--c-primary);
    color: var(--c-white);
}

.nav__link--active:hover,
.nav__link--active:focus {
    background: var(--c-accent);
    color: var(--c-white);
}

/* Mobile Navigation */
@media (max-width: 768px) {
    .header__inner {
        flex-direction: column;
        gap: var(--space-md);
    }
    
    .nav__list {
        flex-wrap: wrap;
        justify-content: center;
        gap: var(--space-sm);
    }
    
    .nav__link {
        padding: var(--space-xs) var(--space-sm);
        font-size: var(--fs-sm);
    }
}

@media (max-width: 480px) {
    .nav__list {
        grid-template-columns: repeat(2, 1fr);
        display: grid;
        gap: var(--space-xs);
        width: 100%;
    }
    
    .nav__link {
        justify-content: center;
        text-align: center;
    }
}

/* Hero Section */
.hero {
    background: var(--c-white);
    padding: var(--space-4xl) 0;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
}

.hero__title {
    font-size: var(--fs-h1);
    font-weight: 700;
    color: var(--c-text);
    margin-bottom: var(--space-lg);
}

.hero__subtitle {
    font-size: var(--fs-xl);
    color: var(--c-muted);
    margin-bottom: var(--space-2xl);
    line-height: 1.4;
}

.hero__cta {
    font-size: var(--fs-lg);
    padding: var(--space-md) var(--space-2xl);
}

.hero__image {
    display: flex;
    justify-content: center;
}

.hero__image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: 8px;
    border: 1px solid var(--c-border);
}

@media (max-width: 968px) {
    .hero .container {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
        text-align: center;
    }
    
    .hero__image {
        order: -1;
    }
}

@media (max-width: 768px) {
    .hero {
        padding: var(--space-3xl) 0;
    }
    
    .hero__title {
        font-size: var(--fs-3xl);
    }
    
    .hero__subtitle {
        font-size: var(--fs-lg);
    }
    
    .hero__image img {
        height: 250px;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: var(--space-2xl) 0;
    }
    
    .hero__cta {
        font-size: var(--fs-base);
        padding: var(--space-sm) var(--space-xl);
    }
}

/* Sections */
.section {
    padding: var(--space-4xl) 0;
}

.section--bg {
    background: var(--c-white);
}

.section__title {
    text-align: center;
    margin-bottom: var(--space-3xl);
    position: relative;
}

.section__title::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--c-primary);
    margin: var(--space-md) auto 0;
    border-radius: 2px;
}

@media (max-width: 768px) {
    .section {
        padding: var(--space-3xl) 0;
    }
    
    .section__title {
        margin-bottom: var(--space-2xl);
    }
}

/* Footer */
.footer {
    background: var(--c-text);
    color: var(--c-white);
    padding: var(--space-4xl) 0 var(--space-lg);
    margin-top: var(--space-4xl);
}

.footer__content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-2xl);
    margin-bottom: var(--space-2xl);
}

.footer__title {
    color: var(--c-white);
    font-size: var(--fs-xl);
    margin-bottom: var(--space-md);
}

.footer__address {
    font-style: normal;
    line-height: 1.8;
}

.footer__address a {
    color: var(--c-white);
}

.footer__address a:hover,
.footer__address a:focus {
    color: var(--c-accent);
}

.footer__links {
    list-style: none;
}

.footer__links li {
    margin-bottom: var(--space-sm);
}

.footer__links a {
    color: var(--c-white);
    transition: color var(--transition-fast);
}

.footer__links a:hover,
.footer__links a:focus {
    color: var(--c-accent);
}

.footer__bottom {
    padding-top: var(--space-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    text-align: center;
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--fs-sm);
}

@media (max-width: 768px) {
    .footer {
        padding: var(--space-3xl) 0 var(--space-lg);
    }
    
    .footer__content {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
        text-align: center;
    }
}

/* Responsive Layout Helpers */
@media (max-width: 1200px) {
    .container {
        max-width: 100%;
    }
}

@media (max-width: 768px) {
    :root {
        --container-padding: var(--space-lg);
    }
}

@media (max-width: 480px) {
    :root {
        --container-padding: var(--space-md);
        --space-4xl: 3rem; /* Reduce large spacing on mobile */
        --space-3xl: 2.5rem;
    }
}

@media (max-width: 320px) {
    :root {
        --container-padding: var(--space-sm);
        --space-4xl: 2rem;
        --space-3xl: 1.5rem;
    }
    
    .container {
        padding: 0 var(--space-sm);
    }
}

/* Animation für reduced motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .header {
        border-bottom-width: 2px;
    }
    
    .nav__link:focus,
    .btn:focus {
        outline: 3px solid;
        outline-offset: 2px;
    }
    
    .card {
        border-width: 2px;
    }
}

/* Mobile Navigation Toggle */
.nav__toggle {
    display: none;
    background: transparent;
    border: 1px solid var(--c-border);
    border-radius: 6px;
    padding: var(--space-xs) var(--space-sm);
    cursor: pointer;
    width: 44px;
    height: 44px;
    align-items: center;
    justify-content: center;
}

.nav__toggle-bar {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--c-text);
    margin: 3px 0;
    border-radius: 2px;
}

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

    /* Override earlier mobile stacking to keep header compact */
    .header__inner {
        flex-direction: row;
        gap: var(--space-md);
    }

    .nav {
        display: none;
        width: 100%;
        padding-top: var(--space-sm);
    }

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

    .nav__list {
        flex-direction: column;
        align-items: stretch;
        gap: var(--space-xs);
    }

    .nav__link {
        justify-content: flex-start;
        width: 100%;
    }
}

/* Cookie Banner */
.cookie-banner {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--c-text);
    color: var(--c-white);
    padding: var(--space-md) 0;
    z-index: 1000;
    box-shadow: 0 -2px 8px rgba(0,0,0,0.2);
}

.cookie-banner[hidden] {
    display: none !important;
}

.cookie-banner a {
    color: var(--c-white);
    text-decoration: underline;
}

.cookie-banner__content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-md);
}

@media (max-width: 768px) {
    .cookie-banner__content {
        flex-direction: column;
        align-items: stretch;
        text-align: center;
    }

    .cookie-banner__button {
        width: 100%;
    }
}