/* ==========================================================================
   BauConcept GmbH — Component Styles
   components.css — Isolated, reusable UI components
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Cookie Banner
   -------------------------------------------------------------------------- */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: var(--color-white);
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.15);
    z-index: 9999;
    padding: var(--spacing-md) 0;
    transform: translateY(100%);
    transition: transform var(--transition-base);
}

.cookie-banner--visible {
    transform: translateY(0);
}

.cookie-banner__content {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.cookie-banner__text {
    flex: 1;
    font-size: var(--font-size-sm);
    color: var(--color-text);
    line-height: var(--line-height-base);
}

.cookie-banner__text a {
    color: var(--color-accent);
    text-decoration: underline;
}

.cookie-banner__actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.cookie-banner__btn {
    padding: 0.5rem 1.25rem;
    border-radius: var(--radius-sm);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: var(--font-size-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    border: 2px solid transparent;
    text-align: center;
    white-space: nowrap;
}

.cookie-banner__btn--accept {
    background-color: var(--color-accent);
    border-color: var(--color-accent);
    color: var(--color-white);
}

.cookie-banner__btn--accept:hover {
    background-color: var(--color-accent-dark);
    border-color: var(--color-accent-dark);
}

.cookie-banner__btn--decline {
    background-color: transparent;
    border-color: var(--color-gray-300);
    color: var(--color-text);
}

.cookie-banner__btn--decline:hover {
    border-color: var(--color-gray-500);
    background-color: var(--color-gray-100);
}

.cookie-banner__btn--settings {
    background-color: transparent;
    border-color: transparent;
    color: var(--color-text-light);
    text-decoration: underline;
    padding-left: 0;
    padding-right: 0;
}

.cookie-banner__btn--settings:hover {
    color: var(--color-accent);
}

/* Cookie banner responsive: horizontal on larger screens */
@media (min-width: 768px) {
    .cookie-banner__content {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
    }

    .cookie-banner__actions {
        flex-shrink: 0;
    }
}

/* --------------------------------------------------------------------------
   2. Lightbox
   -------------------------------------------------------------------------- */
.lightbox {
    position: fixed;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.92);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-base);
}

.lightbox--active {
    opacity: 1;
    pointer-events: all;
}

.lightbox__image {
    max-width: 90vw;
    max-height: 85vh;
    object-fit: contain;
    border-radius: var(--radius-sm);
    box-shadow: 0 0 40px rgba(0, 0, 0, 0.5);
}

.lightbox__close {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    color: var(--color-white);
    font-size: var(--font-size-2xl);
    cursor: pointer;
    z-index: 10001;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.1);
    border: none;
    transition: background-color var(--transition-fast);
    line-height: 1;
}

.lightbox__close:hover {
    background-color: rgba(255, 255, 255, 0.25);
}

.lightbox__nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background-color: rgba(255, 255, 255, 0.15);
    border: none;
    border-radius: 50%;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    font-size: var(--font-size-xl);
    cursor: pointer;
    transition: background-color var(--transition-fast);
    z-index: 10001;
}

.lightbox__nav:hover {
    background-color: rgba(255, 255, 255, 0.3);
}

.lightbox__prev {
    left: var(--spacing-sm);
}

.lightbox__next {
    right: var(--spacing-sm);
}

.lightbox__counter {
    position: absolute;
    bottom: var(--spacing-md);
    left: 0;
    right: 0;
    text-align: center;
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--font-size-sm);
    font-family: var(--font-heading);
}

/* --------------------------------------------------------------------------
   3. Gallery
   -------------------------------------------------------------------------- */
.gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-sm);
}

.gallery__item {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-md);
    cursor: pointer;
    aspect-ratio: 4 / 3;
}

.gallery__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-base);
    display: block;
}

.gallery__item:hover .gallery__image {
    transform: scale(1.05);
}

.gallery__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to top,
        rgba(15, 36, 64, 0.7) 0%,
        rgba(15, 36, 64, 0) 60%
    );
    opacity: 0;
    transition: opacity var(--transition-base);
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding: var(--spacing-md);
}

.gallery__item:hover .gallery__overlay {
    opacity: 1;
}

.gallery__caption {
    color: var(--color-white);
    font-family: var(--font-heading);
    font-size: var(--font-size-sm);
    font-weight: 600;
    text-align: center;
}

.gallery__icon {
    color: var(--color-white);
    font-size: var(--font-size-xl);
}

/* Gallery filter */
.gallery-filter {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-lg);
}

.gallery-filter__btn {
    padding: 0.5rem 1.25rem;
    border: 1px solid var(--color-gray-300);
    border-radius: 30px;
    background-color: transparent;
    color: var(--color-text);
    font-family: var(--font-heading);
    font-size: var(--font-size-sm);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.gallery-filter__btn:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.gallery-filter__btn--active {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-white);
}

/* --------------------------------------------------------------------------
   4. Scroll-to-Top Button
   -------------------------------------------------------------------------- */
.scroll-top {
    position: fixed;
    bottom: var(--spacing-lg);
    right: var(--spacing-lg);
    background-color: var(--color-accent);
    color: var(--color-white);
    border: none;
    border-radius: 50%;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-lg);
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-base),
                visibility var(--transition-base),
                background-color var(--transition-fast);
    z-index: 999;
    box-shadow: var(--shadow-md);
}

.scroll-top--visible {
    opacity: 1;
    visibility: visible;
}

.scroll-top:hover {
    background-color: var(--color-accent-dark);
}

/* --------------------------------------------------------------------------
   5. Testimonials
   -------------------------------------------------------------------------- */
.testimonials {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
}

.testimonial {
    background-color: var(--color-white);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    position: relative;
}

.testimonial::before {
    content: '\201E';
    font-size: 4rem;
    color: var(--color-accent);
    opacity: 0.2;
    font-family: Georgia, serif;
    line-height: 1;
    position: absolute;
    top: var(--spacing-sm);
    left: var(--spacing-md);
}

.testimonial__text {
    font-style: italic;
    line-height: 1.8;
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
    position: relative;
    z-index: 1;
}

.testimonial__author {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: var(--font-size-sm);
    color: var(--color-gray-900);
}

.testimonial__role {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
}

.testimonial__stars {
    color: #F1C40F;
    margin-bottom: var(--spacing-xs);
    font-size: var(--font-size-lg);
}

@media (min-width: 768px) {
    .testimonials {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .testimonials {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* --------------------------------------------------------------------------
   6. Reference / Project Cards
   -------------------------------------------------------------------------- */
.project-card {
    background-color: var(--color-white);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

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

.project-card__image-wrapper {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16 / 10;
}

.project-card__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-base);
}

.project-card:hover .project-card__image {
    transform: scale(1.05);
}

.project-card__category {
    position: absolute;
    top: var(--spacing-sm);
    left: var(--spacing-sm);
    background-color: var(--color-accent);
    color: var(--color-white);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    font-family: var(--font-heading);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.project-card__body {
    padding: var(--spacing-md);
}

.project-card__title {
    font-family: var(--font-heading);
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--color-gray-900);
}

.project-card__meta {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    margin-bottom: var(--spacing-xs);
}

.project-card__text {
    font-size: var(--font-size-sm);
    color: var(--color-text);
    line-height: var(--line-height-base);
}

/* --------------------------------------------------------------------------
   7. Loading Spinner
   -------------------------------------------------------------------------- */
.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--color-gray-200);
    border-top-color: var(--color-accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: var(--spacing-lg) auto;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* --------------------------------------------------------------------------
   8. Alert / Notification Messages
   -------------------------------------------------------------------------- */
.alert {
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-md);
    border-left: 4px solid;
}

.alert--success {
    background-color: #d4edda;
    border-color: #27ae60;
    color: #155724;
}

.alert--error {
    background-color: #f8d7da;
    border-color: #c0392b;
    color: #721c24;
}

.alert--info {
    background-color: #d1ecf1;
    border-color: #2A5A8C;
    color: #0c5460;
}

/* --------------------------------------------------------------------------
   9. Breadcrumbs
   -------------------------------------------------------------------------- */
.breadcrumb {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) 0;
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
}

.breadcrumb__item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.breadcrumb__item::before {
    content: '/';
    color: var(--color-gray-300);
}

.breadcrumb__item:first-child::before {
    display: none;
}

.breadcrumb__link {
    color: var(--color-text-light);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.breadcrumb__link:hover {
    color: var(--color-accent);
}

.breadcrumb__current {
    color: var(--color-text);
    font-weight: 600;
}

/* --------------------------------------------------------------------------
   10. Page Header (for inner pages)
   -------------------------------------------------------------------------- */
.page-header {
    position: relative;
    background-color: var(--color-primary);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    color: var(--color-white);
    padding: calc(70px + var(--spacing-2xl)) 0 var(--spacing-xl);
    text-align: center;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: linear-gradient(
        to bottom,
        rgba(27, 58, 92, 0.82) 0%,
        rgba(27, 58, 92, 0.70) 100%
    );
    z-index: 1;
}

.page-header .container {
    position: relative;
    z-index: 2;
}

.page-header__title {
    font-size: var(--font-size-2xl);
    color: var(--color-white);
    margin-bottom: var(--spacing-xs);
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.page-header__subtitle {
    font-size: var(--font-size-lg);
    color: rgba(255, 255, 255, 0.85);
    font-weight: 300;
    text-shadow: 0 1px 5px rgba(0, 0, 0, 0.2);
}

@media (min-width: 768px) {
    .page-header {
        padding: calc(70px + var(--spacing-3xl)) 0 var(--spacing-2xl);
    }

    .page-header__title {
        font-size: var(--font-size-3xl);
    }
}

/* --------------------------------------------------------------------------
   11. Gallery Carousel
   -------------------------------------------------------------------------- */
.gallery-carousel {
    position: relative;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.gallery-carousel__track {
    overflow: hidden;
    flex: 1;
}

.gallery-carousel .gallery {
    display: flex;
    gap: 1rem;
    transition: transform 0.4s ease;
    /* Override the grid display when in carousel mode */
}

.gallery-carousel .gallery__item {
    min-width: calc(33.333% - 0.67rem);
    max-width: calc(33.333% - 0.67rem);
    flex-shrink: 0;
}

.gallery-carousel__btn {
    background: var(--color-primary, #1B3A5C);
    color: white;
    border: none;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    flex-shrink: 0;
    transition: background-color 0.3s, transform 0.2s;
    z-index: 2;
}

.gallery-carousel__btn:hover {
    background: var(--color-accent, #D46A1A);
    transform: scale(1.1);
}

.gallery-carousel__btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
    transform: none;
}

.gallery-carousel__show-all {
    display: block;
    margin: 1.5rem auto 0;
    padding: 0.6rem 1.5rem;
    cursor: pointer;
    font-size: 0.95rem;
}

/* Expanded state — show all images in grid */
.gallery-carousel.gallery-carousel--expanded .gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    transform: none !important;
}

.gallery-carousel.gallery-carousel--expanded .gallery__item {
    min-width: unset;
    max-width: unset;
}

/* Hide arrows when expanded */
.gallery-carousel--expanded .gallery-carousel__btn {
    display: none;
}

/* Mobile: 1 image at a time */
@media (max-width: 768px) {
    .gallery-carousel .gallery__item {
        min-width: 100%;
        max-width: 100%;
    }
}

/* Tablet: 2 images */
@media (min-width: 769px) and (max-width: 1024px) {
    .gallery-carousel .gallery__item {
        min-width: calc(50% - 0.5rem);
        max-width: calc(50% - 0.5rem);
    }
}