/* Component Styles */

/* ============================================
   HEADER & NAVIGATION
   ============================================ */

.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    width: 100%;
    background: #ffffff;
    border-bottom: 1px solid #f5f5f5;
    z-index: 100;
    transition: box-shadow var(--transition-base);
}

.site-header .nav-left a,
.site-header .nav-icon {
    color: #1a1a1a;
}


.main-nav {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    max-width: var(--max-width-content);
    margin: 0 auto;
}

.nav-left {
    display: flex;
    gap: var(--spacing-md);
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-left a {
    padding: var(--spacing-xs) 0;
    position: relative;
    display: inline-block;
}

.nav-left a.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--color-primary);
}

.nav-logo {
    display: flex;
    justify-content: center;
    align-items: center;
    transition: opacity var(--transition-fast);
}

.nav-logo:hover {
    opacity: 0.6;
}

.nav-logo img {
    height: 36px;
    width: auto;
}

.nav-right {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
    justify-content: flex-end;
}

.nav-icon {
    display: flex;
    align-items: center;
    color: var(--color-primary);
    transition: opacity var(--transition-fast);
}

.nav-icon:hover {
    opacity: 0.6;
}

.nav-mobile-icons {
    display: none;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    padding: var(--spacing-xs);
    line-height: 1;
}

/* ============================================
   BUTTONS
   ============================================ */

.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 2px solid var(--color-primary);
    font-family: var(--font-body);
    font-size: var(--font-size-body);
    font-weight: var(--font-weight-medium);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-base);
    background: transparent;
}

.btn:hover {
    background: var(--color-primary);
    color: var(--color-background);
    opacity: 1;
}

.btn-primary {
    background: var(--color-primary);
    color: var(--color-background);
}

.btn-primary:hover {
    background: var(--color-accent);
    border-color: var(--color-accent);
}

/* ============================================
   GALLERY FILTER DROPDOWN
   ============================================ */

.gallery-filter {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    justify-content: center;
}

.gallery-filter label {
    font-size: var(--font-size-body);
    color: var(--color-secondary);
    font-weight: var(--font-weight-medium);
}

.dropdown-filter {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-family: var(--font-body);
    font-size: var(--font-size-body);
    color: var(--color-primary);
    background: var(--color-background);
    border: none;
    border-radius: 0;
    cursor: pointer;
    min-width: 200px;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1L6 6L11 1' stroke='%231a1a1a' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 40px;
    transition: all var(--transition-base);
}

.dropdown-filter:hover {
    background-color: var(--color-light-gray);
}

.dropdown-filter:focus {
    outline: none;
}

/* ============================================
   GALLERY GRID
   ============================================ */

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.project-card {
    cursor: pointer;
    opacity: 0;
    animation: fadeIn 0.5s forwards;
    transition: transform var(--transition-base);
}

.project-card.hidden {
    display: none;
}

.project-card:hover {
    transform: none;
}

.project-image {
    aspect-ratio: 4 / 3;
    overflow: hidden;
    background: var(--color-light-gray);
    position: relative;
}

.project-image::after {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--color-light-gray);
    opacity: 0;
    transition: opacity var(--transition-base);
    pointer-events: none;
}

.project-card:hover .project-image::after {
    opacity: 0.35;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: none;
}

.project-card:hover .project-image img {
    transform: none;
}

.project-info {
    padding: var(--spacing-sm) 0;
}

.project-title {
    font-size: var(--font-size-h4);
    margin-bottom: var(--spacing-xs);
    font-weight: var(--font-weight-medium);
}

.project-description {
    color: var(--color-secondary);
    font-size: var(--font-size-body);
    margin-bottom: var(--spacing-xs);
}

.project-category {
    display: inline-block;
    font-size: var(--font-size-small);
    color: var(--color-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-top: var(--spacing-xs);
}

.project-year {
    font-size: var(--font-size-small);
    color: var(--color-secondary);
}

/* ============================================
   LIGHTBOX MODAL
   ============================================ */

.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    z-index: 1000;
    padding: var(--spacing-md);
}

.lightbox.active {
    opacity: 1;
    visibility: visible;
}

.lightbox-content {
    max-width: 90%;
    max-height: 90%;
    position: relative;
    animation: lightboxSlideIn 0.3s ease;
}

.lightbox-close {
    position: absolute;
    top: -50px;
    right: 0;
    background: none;
    border: none;
    color: white;
    font-size: 2.5rem;
    cursor: pointer;
    padding: 0;
    width: 44px;
    height: 44px;
    line-height: 1;
    transition: opacity var(--transition-fast);
}

.lightbox-close:hover {
    opacity: 0.6;
}

.lightbox-image {
    max-width: 100%;
    max-height: 70vh;
    object-fit: contain;
    display: block;
}

.lightbox-info {
    color: white;
    margin-top: var(--spacing-sm);
    text-align: center;
}

.lightbox-info h2 {
    margin-bottom: var(--spacing-xs);
    color: white;
}

.lightbox-info p {
    color: rgba(255, 255, 255, 0.8);
}

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

.site-footer {
    border-top: 1px solid var(--color-light-gray);
    padding: var(--spacing-lg) 0;
    text-align: center;
    color: var(--color-secondary);
    margin-top: var(--spacing-xxl);
}

.site-footer p {
    font-size: var(--font-size-small);
    margin-bottom: var(--spacing-xs);
}

.social-links {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    margin-top: var(--spacing-sm);
}

.social-links a {
    padding: var(--spacing-xs);
    transition: opacity var(--transition-fast);
}

.social-links a:hover {
    opacity: 0.6;
}

/* ============================================
   ANIMATIONS
   ============================================ */

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes lightboxSlideIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes slideUpFromBottom {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============================================
   HERO ANIMATION
   ============================================ */

.hero-animate {
    opacity: 0;
    animation: slideUpFromBottom 0.8s ease forwards;
}

.hero-title.hero-animate {
    animation-delay: 0.2s;
}

.subtitle.hero-animate {
    animation-delay: 0.4s;
}

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

.section-hero {
    position: relative;
    background: var(--color-background);
    overflow: hidden;
}

/* Cursor tracker canvas */
#ripple-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 9999;
}

/* ============================================
   FEATURED PROJECTS
   ============================================ */

.featured-projects {
    padding: 0 var(--spacing-md);
    margin-top: var(--spacing-xxl);
    max-width: 60vw;
    margin-left: auto;
    margin-right: auto;
}

.featured-projects h2 {
    margin-bottom: var(--spacing-xl);
}

.featured-project {
    width: 100%;
    margin-bottom: var(--spacing-lg);
    position: relative;
    overflow: hidden;
}

.featured-project a {
    display: block;
    position: relative;
}

.featured-project img {
    width: 100%;
    height: 70vh;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.featured-project:hover img {
    transform: scale(1.02);
}

.featured-project-info {
    position: absolute;
    bottom: var(--spacing-lg);
    left: var(--spacing-lg);
    color: white;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    z-index: 10;
}

.featured-project-info h3 {
    font-size: var(--font-size-h2);
    margin-bottom: var(--spacing-xs);
    color: white;
}

.featured-project-info p {
    font-family: var(--font-body);
    font-size: var(--font-size-body);
    color: rgba(255, 255, 255, 0.9);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* ============================================
   PROJECT PAGE STYLES
   ============================================ */

/* Back Button */
.back-button {
    background: none;
    border: none;
    font-family: var(--font-body);
    font-size: var(--font-size-body);
    color: var(--color-primary);
    cursor: pointer;
    padding: var(--spacing-xs) 0;
    transition: opacity var(--transition-fast);
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.back-button:hover {
    opacity: 0.6;
}

/* Project Header */
.project-header {
    padding: var(--spacing-lg) 0 var(--spacing-xs) 0;
    text-align: center;
}

.project-tag {
    font-size: var(--font-size-small);
    color: var(--color-secondary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-top: var(--spacing-xs);
    margin-bottom: var(--spacing-sm);
}

.project-description-full {
    font-size: var(--font-size-body);
    color: var(--color-secondary);
    line-height: 1.6;
    margin-top: var(--spacing-md);
}

/* Project Cover Image */
.project-cover {
    width: 100%;
    padding: 0;
    margin: 0 0 var(--spacing-sm) 0;
    display: flex;
    justify-content: center;
}

.project-gallery,
.project-video {
    padding-top: 0;
    padding-bottom: var(--spacing-sm);
}

.project-cover img {
    width: 80%;
    height: auto;
    display: block;
    margin: 0 auto;
}

/* Project Details */
.project-details {
    border-top: 1px solid var(--color-light-gray);
    border-bottom: 1px solid var(--color-light-gray);
}

.project-text {
    font-size: var(--font-size-h4);
    line-height: 1.8;
    color: var(--color-secondary);
    margin-top: var(--spacing-md);
}

.project-links {
    margin-top: var(--spacing-lg);
}

.case-study-link {
    display: inline-block;
    font-size: var(--font-size-body);
    color: var(--color-primary);
    border-bottom: 1px solid var(--color-primary);
    padding-bottom: 2px;
    transition: opacity var(--transition-fast);
}

.case-study-link:hover {
    opacity: 0.6;
}

/* Project Image Grid */
.project-image-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
    max-width: 80%;
    margin-left: auto;
    margin-right: auto;
}

.project-image-item {
    width: 100%;
}

.project-image-item img {
    width: 100%;
    height: auto;
    display: block;
}

/* Other Projects Carousel */
.project-carousel-wrapper {
    position: relative;
}

.project-carousel {
    display: flex;
    gap: 1.5rem;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 0.5rem;
    scrollbar-width: none;
}

.project-carousel::-webkit-scrollbar {
    display: none;
}

.project-carousel .project-card-link {
    flex: 0 0 calc(33.33% - 1rem);
    min-width: 260px;
    scroll-snap-align: start;
}

.carousel-nav {
    height: 0;
}

.carousel-btn {
    position: absolute;
    top: 35%;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
    font-size: 0;
    padding: 6px;
    opacity: 0.5;
    transition: opacity var(--transition-fast);
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
}

.carousel-btn::before {
    content: '';
    display: block;
    width: 10px;
    height: 10px;
    border-top: 2px solid var(--color-primary);
    border-right: 2px solid var(--color-primary);
}

.carousel-btn-prev {
    left: 0;
}

.carousel-btn-prev::before {
    transform: rotate(-135deg) translateY(-2px);
}

.carousel-btn-next {
    right: 0;
}

.carousel-btn-next::before {
    transform: rotate(45deg) translateY(-2px);
}

.carousel-btn:hover {
    opacity: 1;
}

/* Image Lightbox */
.img-lightbox {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.92);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    cursor: zoom-out;
}

.img-lightbox.active {
    display: flex;
}

.img-lightbox-img {
    max-width: 85vw;
    max-height: 85vh;
    object-fit: contain;
    cursor: default;
    user-select: none;
}

.img-lightbox-close {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    background: none;
    border: none;
    color: #fff;
    font-size: 2rem;
    cursor: pointer;
    line-height: 1;
    padding: 0;
    opacity: 0.7;
}

.img-lightbox-close:hover {
    opacity: 1;
}

.img-lightbox-prev,
.img-lightbox-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
    padding: 1rem;
    font-size: 0;
    opacity: 0.6;
    display: flex;
    align-items: center;
    justify-content: center;
}

.img-lightbox-prev::before,
.img-lightbox-next::before {
    content: '';
    display: block;
    width: 14px;
    height: 14px;
    border-top: 2px solid #fff;
    border-right: 2px solid #fff;
}

.img-lightbox-prev::before {
    transform: rotate(-135deg) translateY(-2px);
}

.img-lightbox-next::before {
    transform: rotate(45deg) translateY(-2px);
}

.img-lightbox-prev:hover,
.img-lightbox-next:hover {
    opacity: 1;
}

.img-lightbox-prev { left: 1rem; }
.img-lightbox-next { right: 1rem; }

/* Project Navigation */
.project-navigation {
    text-align: center;
    border-top: 1px solid var(--color-light-gray);
}

/* Other Projects link wrapper */
.project-card-link {
    display: block;
    color: inherit;
}

.project-card-link:hover {
    opacity: 1;
}

/* PDF Popup */
.pdf-popup {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    z-index: 2000;
}

.pdf-popup.active {
    opacity: 1;
    visibility: visible;
}

.pdf-popup-content {
    width: 90%;
    height: 90%;
    position: relative;
    background: white;
}

.pdf-popup-close {
    position: absolute;
    top: -50px;
    right: 0;
    background: none;
    border: none;
    color: white;
    font-size: 2.5rem;
    cursor: pointer;
    padding: 0;
    width: 44px;
    height: 44px;
    line-height: 1;
    transition: opacity var(--transition-fast);
}

.pdf-popup-close:hover {
    opacity: 0.6;
}

#pdf-iframe {
    width: 100%;
    height: 100%;
    border: none;
}

/* ============================================
   BACK TO TOP BUTTON
   ============================================ */

.back-to-top {
    position: fixed;
    bottom: var(--spacing-lg);
    right: var(--spacing-lg);
    width: 48px;
    height: 48px;
    background: transparent;
    border: none;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top::before {
    content: '';
    display: block;
    width: 10px;
    height: 10px;
    border-top: 2px solid var(--color-primary);
    border-right: 2px solid var(--color-primary);
    transform: rotate(-45deg) translateY(2px);
    transition: all var(--transition-base);
}

.back-to-top:hover::after {
    content: '';
    position: absolute;
    width: 48px;
    height: 48px;
    background: var(--color-light-gray);
    border-radius: 50%;
    z-index: -1;
}

/* ============================================
   THEME TOGGLE (LIGHT SWITCH)
   ============================================ */

.theme-toggle {
    position: fixed;
    top: 80px;
    right: 32px;
    width: 50px;
    height: 100px;
    background: transparent;
    border: none;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    gap: 5px;
    font-size: 10px;
    font-weight: var(--font-weight-medium);
    color: var(--color-primary);
    user-select: none;
    -webkit-user-select: none;
    padding: 6px;
    border-radius: 4px;
    transition: background var(--transition-base);
}

.theme-toggle:hover {
    background: var(--color-light-gray);
}

/* ON / OFF labels */
.theme-toggle-on,
.theme-toggle-off {
    font-size: 10px;
    letter-spacing: 0.5px;
    line-height: 1;
}

/* Outer faceplate */
.toggle-plate {
    width: 28px;
    height: 46px;
    border: 2px solid var(--color-primary);
    border-radius: 3px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Rocker as thin side-view lever — pivots like a seesaw */
.toggle-rocker {
    width: 20px;
    height: 3px;
    background: var(--color-primary);
    border-radius: 1px;
    transform: rotate(-35deg);
    transform-origin: center center;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"] .toggle-rocker {
    transform: rotate(35deg);
}

/* Keep switch outline using primary color */
[data-theme="dark"] .theme-toggle::before,
[data-theme="dark"] .theme-toggle::after {
    border-color: var(--color-primary);
}