/**
 * Impressum Page Styles
 *
 * Optimierte Styles fuer die Impressum-Seite
 * Mobile-first, WCAG 2.1 konform
 *
 * @package SLV_Transporte
 * @since 1.3.0
 */

/* ===========================================
   IMPRESSUM PAGE CONTAINER
   =========================================== */

.impressum-page {
    background-color: var(--slv-bg-white);
}

/* ===========================================
   HERO SECTION
   =========================================== */

.impressum-hero {
    background: linear-gradient(135deg, var(--slv-primary-blue) 0%, var(--slv-blue-dark) 100%);
    padding: var(--slv-space-xl) 0 var(--slv-space-l);
    text-align: center;
    color: var(--slv-bg-white);
}

.impressum-hero .container {
    max-width: 800px;
}

.impressum-hero__icon {
    font-size: 3.5rem;
    margin-bottom: var(--slv-space-s);
    opacity: 0.9;
    display: inline-block;
}

.impressum-hero__icon i {
    display: block;
}

.impressum-hero__title {
    font-size: var(--slv-font-hero);
    font-weight: 700;
    margin-bottom: var(--slv-space-xs);
    color: var(--slv-bg-white);
}

.impressum-hero__subtitle {
    font-size: var(--slv-font-l);
    opacity: 0.85;
    margin-bottom: 0;
    color: var(--slv-bg-white);
}

/* ===========================================
   COMPANY CARD SECTION
   =========================================== */

.impressum-company {
    padding: var(--slv-space-l) 0;
}

.impressum-company .container {
    max-width: 600px;
}

.impressum-company-card {
    background: var(--slv-bg-white);
    border: 2px solid var(--slv-border-light);
    border-radius: var(--slv-radius-l);
    padding: var(--slv-space-l);
    text-align: center;
    box-shadow: var(--slv-shadow-md);
    transition: transform var(--slv-transition-base), box-shadow var(--slv-transition-base);
}

.impressum-company-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--slv-shadow-lg);
}

.impressum-company-card__icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--slv-primary-blue) 0%, var(--slv-blue-dark) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--slv-space-m);
    font-size: 1.75rem;
    color: var(--slv-bg-white);
}

.impressum-company-card__content {
    font-style: normal;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.impressum-company-card__name {
    font-size: var(--slv-font-xl);
    font-weight: 700;
    color: var(--slv-text-dark);
    margin-bottom: var(--slv-space-xs);
    display: block;
}

.impressum-company-card__content span {
    font-size: var(--slv-font-m);
    color: var(--slv-text-muted);
    line-height: 1.5;
}

/* ===========================================
   BUSINESS INFO SECTION (Pflichtangaben § 5 DDG)
   =========================================== */

.impressum-business {
    padding: var(--slv-space-l) 0;
    background: var(--slv-bg-light);
}

.impressum-business .container {
    max-width: 900px;
}

.impressum-business-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--slv-space-m);
}

.impressum-business-item {
    background: var(--slv-bg-white);
    border: 1px solid var(--slv-border-light);
    border-radius: var(--slv-radius-l);
    padding: var(--slv-space-m);
    display: flex;
    align-items: center;
    gap: var(--slv-space-m);
    box-shadow: var(--slv-shadow-sm);
    transition: all var(--slv-transition-base);
}

.impressum-business-item:hover {
    box-shadow: var(--slv-shadow-md);
    transform: translateY(-2px);
    border-color: var(--slv-primary-blue);
}

.impressum-business-item__icon {
    width: 48px;
    height: 48px;
    min-width: 48px;
    background: linear-gradient(135deg, var(--slv-primary-blue) 0%, var(--slv-blue-dark) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: var(--slv-bg-white);
}

.impressum-business-item__content {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    min-width: 0;
}

.impressum-business-item__label {
    font-size: var(--slv-font-s);
    color: var(--slv-text-muted);
    font-weight: 500;
}

.impressum-business-item__value {
    font-size: var(--slv-font-m);
    font-weight: 600;
    color: var(--slv-text-dark);
    word-break: break-word;
}

/* Animation for business items */
.impressum-business-item {
    animation: impressumFadeInUp 0.5s ease-out both;
}

/* ===========================================
   CONTACT GRID SECTION
   =========================================== */

.impressum-contact {
    padding: var(--slv-space-l) 0;
}

.impressum-contact .container {
    max-width: 900px;
}

.impressum-section-title {
    text-align: center;
    font-size: var(--slv-font-xxl);
    margin-bottom: var(--slv-space-m);
    color: var(--slv-text-dark);
}

.impressum-contact-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--slv-space-m);
}

.impressum-contact-card {
    background: var(--slv-bg-white);
    border: 1px solid var(--slv-border-light);
    border-radius: var(--slv-radius-l);
    padding: var(--slv-space-m);
    text-align: center;
    text-decoration: none;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--slv-space-xs);
    transition: all var(--slv-transition-base);
    cursor: pointer;
}

a.impressum-contact-card:hover,
a.impressum-contact-card:focus {
    border-color: var(--slv-primary-blue);
    box-shadow: var(--slv-shadow-md);
    transform: translateY(-2px);
    text-decoration: none;
}

a.impressum-contact-card:focus {
    outline: 3px solid var(--slv-primary-yellow);
    outline-offset: 2px;
}

.impressum-contact-card__icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--slv-primary-blue) 0%, var(--slv-blue-dark) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--slv-bg-white);
    transition: transform var(--slv-transition-base);
}

a.impressum-contact-card:hover .impressum-contact-card__icon {
    transform: scale(1.1);
}

.impressum-contact-card__icon--secondary {
    background: linear-gradient(135deg, var(--slv-text-muted) 0%, #4a4a4a 100%);
}

.impressum-contact-card__value {
    font-size: var(--slv-font-l);
    font-weight: 600;
    color: var(--slv-text-dark);
    word-break: break-all;
}

.impressum-contact-card__label {
    font-size: var(--slv-font-s);
    color: var(--slv-text-muted);
}

/* ===========================================
   GRADIENT DIVIDER
   =========================================== */

.gradient-divider--impressum {
    height: 6px;
    background: linear-gradient(90deg,
        var(--slv-primary-blue) 0%,
        var(--slv-primary-yellow) 50%,
        var(--slv-primary-blue) 100%
    );
    margin: 0;
}

/* ===========================================
   LEGAL SECTION (AKKORDEON)
   =========================================== */

.impressum-legal {
    padding: var(--slv-space-xl) 0;
}

.impressum-legal .container {
    max-width: 900px;
}

.impressum-accordion {
    display: flex;
    flex-direction: column;
    gap: var(--slv-space-s);
}

.impressum-accordion-item {
    background: var(--slv-bg-white);
    border: 1px solid var(--slv-border-light);
    border-radius: var(--slv-radius-m);
    overflow: hidden;
    box-shadow: var(--slv-shadow-sm);
    transition: box-shadow var(--slv-transition-base);
}

.impressum-accordion-item:hover {
    box-shadow: var(--slv-shadow-md);
}

.impressum-accordion-item.is-open {
    border-color: var(--slv-primary-blue);
}

.impressum-accordion-header {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--slv-space-m);
    background: transparent;
    border: none;
    cursor: pointer;
    text-align: left;
    font-family: var(--slv-font-heading);
    font-size: var(--slv-font-l);
    font-weight: 600;
    color: var(--slv-text-dark);
    transition: background var(--slv-transition-fast), color var(--slv-transition-fast);
    min-height: 56px;
}

.impressum-accordion-header:hover {
    background: var(--slv-bg-light);
    color: var(--slv-primary-blue);
}

.impressum-accordion-header:focus {
    outline: none;
}

.impressum-accordion-header:focus-visible {
    outline: 3px solid var(--slv-primary-yellow);
    outline-offset: -3px;
}

.impressum-accordion-header__title {
    flex: 1;
    padding-right: var(--slv-space-s);
}

.impressum-accordion-header__icon {
    width: 32px;
    height: 32px;
    background: var(--slv-bg-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: var(--slv-primary-blue);
    transition: transform var(--slv-transition-base), background var(--slv-transition-base);
    flex-shrink: 0;
}

.impressum-accordion-item.is-open .impressum-accordion-header__icon {
    transform: rotate(180deg);
    background: var(--slv-primary-yellow);
    color: var(--slv-text-dark);
}

.impressum-accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease-out, padding 0.3s ease-out;
}

.impressum-accordion-item.is-open .impressum-accordion-content {
    max-height: 800px;
}

.impressum-accordion-content__inner {
    padding: 0 var(--slv-space-m) var(--slv-space-m);
    border-top: 1px solid var(--slv-border-light);
    padding-top: var(--slv-space-m);
}

.impressum-accordion-content p {
    font-size: var(--slv-font-m);
    line-height: var(--slv-line-height);
    color: var(--slv-text-muted);
    margin-bottom: var(--slv-space-s);
}

.impressum-accordion-content p:last-child {
    margin-bottom: 0;
}

/* Image Credits List */
.impressum-image-credits {
    list-style: none;
    padding: 0;
    margin: var(--slv-space-s) 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--slv-space-xs);
}

.impressum-image-credits li {
    font-size: var(--slv-font-s);
    color: var(--slv-text-muted);
    padding: var(--slv-space-xs);
    background: var(--slv-bg-light);
    border-radius: var(--slv-radius-s);
    margin-bottom: 0;
}

/* ===========================================
   PRIVACY CTA SECTION
   =========================================== */

.impressum-privacy-cta {
    padding: var(--slv-space-xl) 0;
    background: var(--slv-bg-white);
}

.impressum-privacy-cta .container {
    max-width: 700px;
}

.impressum-privacy-cta__content {
    text-align: center;
    background: linear-gradient(135deg, var(--slv-primary-blue) 0%, var(--slv-blue-dark) 100%);
    border-radius: var(--slv-radius-l);
    padding: var(--slv-space-xl) var(--slv-space-l);
    color: var(--slv-bg-white);
}

.impressum-privacy-cta__icon {
    font-size: 3rem;
    margin-bottom: var(--slv-space-s);
    opacity: 0.9;
}

.impressum-privacy-cta__title {
    font-size: var(--slv-font-xxl);
    font-weight: 700;
    margin-bottom: var(--slv-space-xs);
    color: var(--slv-bg-white);
}

.impressum-privacy-cta__text {
    font-size: var(--slv-font-m);
    margin-bottom: var(--slv-space-m);
    opacity: 0.9;
    color: var(--slv-bg-white);
}

.impressum-privacy-cta .btn {
    background: var(--slv-primary-yellow);
    color: var(--slv-text-dark);
    display: inline-flex;
    align-items: center;
    gap: var(--slv-space-xs);
}

.impressum-privacy-cta .btn:hover {
    background: var(--slv-yellow-dark);
    transform: translateY(-2px);
}

/* ===========================================
   ANIMATIONS - CSS-only Load Animations
   =========================================== */

/* Keyframes fuer Fade-In-Up Animation */
@keyframes impressumFadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Keyframes fuer Scale-In Animation */
@keyframes impressumScaleIn {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Hero Icon Animation */
.impressum-hero__icon {
    animation: impressumScaleIn 0.6s ease-out 0.2s both;
}

/* Company Card Animation */
.impressum-company-card {
    animation: impressumFadeInUp 0.6s ease-out 0.3s both;
}

/* Section Titles Animation */
.impressum-section-title {
    animation: impressumFadeInUp 0.6s ease-out 0.2s both;
}

/* Contact Cards Stagger Animation */
.impressum-contact-card {
    animation: impressumFadeInUp 0.5s ease-out both;
}

.impressum-stagger-1 { animation-delay: 0.4s; }
.impressum-stagger-2 { animation-delay: 0.5s; }
.impressum-stagger-3 { animation-delay: 0.6s; }
.impressum-stagger-4 { animation-delay: 0.7s; }

/* Accordion Items Stagger Animation */
.impressum-accordion-item {
    animation: impressumFadeInUp 0.5s ease-out both;
}

.impressum-accordion-item:nth-child(1) { animation-delay: 0.5s; }
.impressum-accordion-item:nth-child(2) { animation-delay: 0.6s; }
.impressum-accordion-item:nth-child(3) { animation-delay: 0.7s; }
.impressum-accordion-item:nth-child(4) { animation-delay: 0.8s; }

/* Privacy CTA Animation */
.impressum-privacy-cta__content {
    animation: impressumFadeInUp 0.6s ease-out 0.6s both;
}

/* ===========================================
   RESPONSIVE: TABLET (768px+)
   =========================================== */

@media (min-width: 768px) {
    .impressum-hero {
        padding: var(--slv-space-xl) 0;
    }

    .impressum-hero__icon {
        font-size: 4rem;
    }

    /* Business Grid - 2 Spalten auf Tablet */
    .impressum-business-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .impressum-contact-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .impressum-accordion-header {
        font-size: var(--slv-font-xl);
        padding: var(--slv-space-m) var(--slv-space-l);
    }

    .impressum-accordion-content__inner {
        padding: 0 var(--slv-space-l) var(--slv-space-l);
        padding-top: var(--slv-space-m);
    }
}

/* ===========================================
   RESPONSIVE: DESKTOP (1024px+)
   =========================================== */

@media (min-width: 1024px) {
    .impressum-hero__icon {
        font-size: 4.5rem;
    }

    .impressum-company-card {
        padding: var(--slv-space-xl);
    }

    .impressum-privacy-cta__content {
        padding: var(--slv-space-xl);
    }
}

/* ===========================================
   RESPONSIVE: MOBILE SMALL (360px-)
   =========================================== */

@media (max-width: 360px) {
    .impressum-hero {
        padding: var(--slv-space-l) 0 var(--slv-space-m);
    }

    .impressum-hero__icon {
        font-size: 2.5rem;
    }

    .impressum-hero__title {
        font-size: 1.75rem;
    }

    .impressum-hero__subtitle {
        font-size: 1rem;
    }

    .impressum-company-card {
        padding: var(--slv-space-m);
    }

    .impressum-company-card__icon {
        width: 48px;
        height: 48px;
        font-size: 1.25rem;
    }

    /* Business Items - Mobile Small */
    .impressum-business-item {
        padding: var(--slv-space-s);
        gap: var(--slv-space-s);
    }

    .impressum-business-item__icon {
        width: 40px;
        height: 40px;
        min-width: 40px;
        font-size: 1rem;
    }

    .impressum-business-item__label {
        font-size: 0.8125rem;
    }

    .impressum-business-item__value {
        font-size: var(--slv-font-s);
    }

    .impressum-contact-card {
        padding: var(--slv-space-s);
    }

    .impressum-contact-card__icon {
        width: 44px;
        height: 44px;
        font-size: 1.25rem;
    }

    .impressum-contact-card__value {
        font-size: var(--slv-font-m);
    }

    .impressum-accordion-header {
        padding: var(--slv-space-s);
        font-size: var(--slv-font-m);
        min-height: 52px;
    }

    .impressum-accordion-header__icon {
        width: 28px;
        height: 28px;
        font-size: 1rem;
    }

    .impressum-accordion-content__inner {
        padding: var(--slv-space-s);
        padding-top: var(--slv-space-s);
    }

    .impressum-privacy-cta__content {
        padding: var(--slv-space-l) var(--slv-space-m);
    }

    .impressum-privacy-cta__icon {
        font-size: 2rem;
    }

    .impressum-privacy-cta__title {
        font-size: 1.5rem;
    }

    .impressum-section-title {
        font-size: 1.25rem;
        word-break: break-word;
        hyphens: auto;
    }
}

/* ===========================================
   ACCESSIBILITY
   =========================================== */

/* Focus States */
.impressum-accordion-header:focus-visible,
.impressum-contact-card:focus-visible {
    outline: 3px solid var(--slv-primary-yellow);
    outline-offset: 2px;
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    .impressum-hero__icon,
    .impressum-company-card,
    .impressum-section-title,
    .impressum-contact-card,
    .impressum-business-item,
    .impressum-accordion-item,
    .impressum-privacy-cta__content {
        animation: none !important;
        opacity: 1 !important;
        transform: none !important;
    }

    .impressum-accordion-content,
    .impressum-accordion-header__icon {
        transition: none !important;
    }

    .impressum-accordion-item.is-open .impressum-accordion-header__icon {
        transform: rotate(180deg) !important;
    }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
    .impressum-company-card,
    .impressum-contact-card,
    .impressum-accordion-item {
        border-width: 2px;
        border-color: var(--slv-text-dark);
    }

    .impressum-hero,
    .impressum-privacy-cta__content {
        background: var(--slv-text-dark);
    }
}

/* ===========================================
   PRINT STYLES
   =========================================== */

@media print {
    .impressum-hero {
        background: none;
        color: var(--slv-text-dark);
        padding: 1rem 0;
    }

    .impressum-hero__title,
    .impressum-hero__subtitle {
        color: var(--slv-text-dark);
    }

    /* Business Grid Print */
    .impressum-business {
        background: none;
    }

    .impressum-business-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .impressum-business-item {
        box-shadow: none;
        border: 1px solid var(--slv-border-light);
    }

    .impressum-business-item__icon {
        background: var(--slv-text-dark);
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }

    .impressum-contact-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .impressum-accordion-content {
        max-height: none !important;
        overflow: visible;
    }

    .impressum-accordion-header__icon {
        display: none;
    }

    .impressum-privacy-cta__content {
        background: none;
        color: var(--slv-text-dark);
        border: 1px solid var(--slv-border-light);
    }

    .impressum-privacy-cta__title,
    .impressum-privacy-cta__text {
        color: var(--slv-text-dark);
    }
}