/* ===== CSS Variables ===== */
:root {
    --color-bg: #ffffff;
    --color-bg-light: #f5f5f5;
    --color-text: #1a1a1a;
    --color-text-muted: #666666;
    --color-accent: #a89f91;
    --color-border: rgba(0, 0, 0, 0.1);
    --font-primary: 'Raleway', sans-serif;
    --transition-fast: 0.2s ease;
    --transition-medium: 0.4s ease;
    --transition-slow: 0.6s ease;
    --header-height: 80px;
    /* Header colors (over hero - white text) */
    --header-text: #ffffff;
    --header-text-muted: rgba(255, 255, 255, 0.7);
    --header-border: rgba(255, 255, 255, 0.2);
}

/* ===== Reset & Base ===== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    overflow-x: hidden;
}

body {
    font-family: var(--font-primary);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    overflow-x: hidden;
    max-width: 100vw;
}

/* Prevent scrolling when mobile menu or lightbox is open */
body.no-scroll {
    overflow: hidden !important;
    position: fixed;
    width: 100%;
    height: 100vh;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color var(--transition-fast);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

ul {
    list-style: none;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* ===== Header ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: var(--header-height);
    background: transparent;
    transition: background var(--transition-medium), backdrop-filter var(--transition-medium);
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
}

/* Header text colors change when scrolled */
.header.scrolled .logo-main {
    color: var(--color-text);
}

.header.scrolled .logo-subtitle {
    color: var(--color-text-muted);
}

.header.scrolled .logo-separator {
    background: var(--color-border);
}

.header.scrolled .nav-link {
    color: var(--color-text-muted);
    font-weight: 400;
}

.header.scrolled .nav-link:hover,
.header.scrolled .nav-link.active {
    color: var(--color-text);
    font-weight: 600;
}

.header.scrolled .nav-toggle span {
    background: var(--color-text);
}

.header.scrolled .lang-toggle {
    color: var(--color-text-muted);
    border-color: var(--color-border);
}

.header.scrolled .lang-toggle:hover {
    color: var(--color-text);
    border-color: var(--color-accent);
}

.header-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}

.nav {
    margin-left: auto;
}

/* ===== Logo - Horizontal Design ===== */
.logo {
    display: flex;
    align-items: center;
    gap: 0.875rem;
    transition: opacity var(--transition-medium);
}

.logo:hover {
    opacity: 0.85;
}

.logo-main {
    font-size: 2.5rem;
    font-weight: 500;
    letter-spacing: 0.35em;
    text-transform: uppercase;
    color: var(--header-text);
    line-height: 1;
    transition: color var(--transition-medium);
    flex-shrink: 0;
}

/* Subtle vertical separator */
.logo-separator {
    width: 1px;
    height: 1.5rem;
    background: var(--header-border);
    opacity: 0.4;
    transition: background var(--transition-medium), opacity var(--transition-medium);
    flex-shrink: 0;
}

.logo:hover .logo-separator {
    opacity: 0.7;
}

.logo-subtitle {
    font-size: 0.6875rem;
    font-weight: 400;
    letter-spacing: 0.15em;
    color: var(--header-text-muted);
    line-height: 1.2;
    transition: color var(--transition-medium);
    white-space: nowrap;
}

/* Desktop navigation menu (inside header) */
.nav-menu-desktop {
    display: flex;
    gap: 3rem;
    margin-right: 2rem;
    list-style: none;
}

/* Mobile popup menu (outside header) - hidden by default */
.nav-menu {
    display: none;
}

/* Mobile backdrop - hidden by default */
.nav-menu-backdrop {
    display: none;
}

.nav-link {
    font-size: 0.875rem;
    font-weight: 400;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--header-text-muted);
    position: relative;
    padding: 0.5rem 0;
    transition: color var(--transition-medium), font-weight var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
    color: var(--header-text);
    font-weight: 600;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--header-text);
    transition: background var(--transition-medium), transform var(--transition-fast), opacity var(--transition-fast);
}

/* Language Toggle */
.lang-toggle {
    background: transparent;
    border: 1px solid var(--header-border);
    color: var(--header-text-muted);
    font-family: inherit;
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    padding: 0.4rem 0.75rem;
    cursor: pointer;
    transition: color var(--transition-medium), border-color var(--transition-medium);
}

.lang-toggle:hover {
    border-color: var(--color-accent);
    color: var(--header-text);
}

/* ===== Hero Section ===== */
.hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg);
    overflow: hidden;
}

/* Slideshow Container */
.slideshow {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 0;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.slide img {
    position: absolute;
    top: 50%;
    left: 50%;
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    object-fit: cover;
    filter: grayscale(20%) brightness(0.7);
    /* Start zoomed in */
    transform: translate(-50%, -50%) scale(1.25);
    /* Fade handled here too */
    opacity: 0;
    transition: opacity var(--slide-transition, 2s) ease-in-out;
}

.slide.active img {
    opacity: 1;
}

/* Ken Burns Effect - runs independently, continues even during fade out */
.slide.animating img {
    animation: kenBurns var(--slide-total-duration, 6s) linear forwards;
}

/* Different pan/zoom directions for variety */
.slide:nth-child(4n+1).animating img {
    animation-name: kenBurns1;
}

.slide:nth-child(4n+2).animating img {
    animation-name: kenBurns2;
}

.slide:nth-child(4n+3).animating img {
    animation-name: kenBurns3;
}

.slide:nth-child(4n+4).animating img {
    animation-name: kenBurns4;
}

@keyframes kenBurns1 {
    0% {
        transform: translate(-50%, -50%) scale(1.25) translate(-1%, -0.5%);
    }
    100% {
        transform: translate(-50%, -50%) scale(1.05) translate(1%, 0.5%);
    }
}

@keyframes kenBurns2 {
    0% {
        transform: translate(-50%, -50%) scale(1.25) translate(1%, 0);
    }
    100% {
        transform: translate(-50%, -50%) scale(1.05) translate(-1%, 0.5%);
    }
}

@keyframes kenBurns3 {
    0% {
        transform: translate(-50%, -50%) scale(1.25) translate(0, 1%);
    }
    100% {
        transform: translate(-50%, -50%) scale(1.05) translate(0, -0.5%);
    }
}

@keyframes kenBurns4 {
    0% {
        transform: translate(-50%, -50%) scale(1.25) translate(-0.5%, -1%);
    }
    100% {
        transform: translate(-50%, -50%) scale(1.05) translate(0.5%, 0.5%);
    }
}

/* Grid Overlay */
.grid-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
    background-size: 20px 20px;
    pointer-events: none;
    z-index: 1;
}

/* Scroll Indicator - Minimalist Chevron */
.scroll-indicator-chevron {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    cursor: pointer;
    z-index: 10;
    opacity: 0;
    animation: fadeInUp 1s ease-out 1.5s forwards;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateX(-50%) translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
}

.chevron-icon {
    color: rgba(255, 255, 255, 0.8);
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.3));
    animation: chevronBounce 2s ease-in-out infinite;
    transition: all 0.3s ease;
}

@keyframes chevronBounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(8px);
    }
}

.scroll-indicator-chevron:hover .chevron-icon {
    color: rgba(255, 255, 255, 1);
    transform: translateY(4px) scale(1.1);
}

/* Mobile responsiveness */
@media (max-width: 768px) {
    .scroll-indicator-chevron {
        bottom: 30px;
    }
    
    .chevron-icon {
        width: 20px;
        height: 12px;
    }
}

/* ===== Projects Section ===== */
.projects {
    padding: 8rem 0;
    background: var(--color-bg);
}

.section-title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 300;
    letter-spacing: 0.1em;
    margin-bottom: 4rem;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -1rem;
    left: 0;
    width: 60px;
    height: 2px;
    background: var(--color-accent);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.5rem;
}

.project-card {
    position: relative;
    overflow: hidden;
    cursor: pointer;
    display: block;
}

.project-image {
    position: relative;
    width: 100%;
    aspect-ratio: 4 / 3;
    overflow: hidden;
    background: #f0f0f0;
}

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

.project-card:hover .project-image img {
    transform: scale(1.1);
}

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.95) 0%, rgba(0, 0, 0, 0.6) 40%, transparent 100%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 1.5rem;
    opacity: 0;
    transition: opacity var(--transition-medium);
}

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

.project-category {
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: 0.5rem;
}

.project-title {
    font-size: 1.5rem;
    font-weight: 500;
    margin-bottom: 0.25rem;
    color: #f5f5f5;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.project-location {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.7);
}

/* ===== Contact Section ===== */
.contact {
    padding: 8rem 0;
    background: var(--color-bg-light);
    min-height: calc(100vh - var(--header-height));
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-description {
    font-size: 1rem;
    color: var(--color-text-muted);
    line-height: 1.8;
    margin-bottom: 3rem;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.contact-item {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.contact-label {
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-accent);
}

.contact-item a,
.contact-item address {
    font-style: normal;
    font-size: 1rem;
    color: var(--color-text);
    transition: color var(--transition-fast);
}

.contact-item a:hover {
    color: var(--color-accent);
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border: 1px solid var(--color-border);
    transition: var(--transition-fast);
}

.social-link:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

/* Contact Form */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    position: relative;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem 0;
    background: transparent;
    border: none;
    border-bottom: 1px solid var(--color-border);
    color: var(--color-text);
    font-family: inherit;
    font-size: 1rem;
    transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent);
}

.form-group label {
    position: absolute;
    left: 0;
    top: 1rem;
    font-size: 0.875rem;
    color: var(--color-text-muted);
    pointer-events: none;
    transition: var(--transition-fast);
}

.form-group input:focus + label,
.form-group input:not(:placeholder-shown) + label,
.form-group textarea:focus + label,
.form-group textarea:not(:placeholder-shown) + label {
    top: -0.75rem;
    font-size: 0.75rem;
    color: var(--color-accent);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.submit-btn {
    align-self: flex-start;
    padding: 1rem 3rem;
    background: transparent;
    border: 1px solid var(--color-accent);
    color: var(--color-accent);
    font-family: inherit;
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    cursor: pointer;
    transition: var(--transition-fast);
}

.submit-btn:hover {
    background: var(--color-accent);
    color: var(--color-bg);
}

/* ===== Footer ===== */
.footer {
    padding: 2rem 0;
    background: var(--color-bg);
    border-top: 1px solid var(--color-border);
}

.footer-content {
    display: flex;
    justify-content: center;
    align-items: center;
}

.copyright {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

/* ===== Responsive Design ===== */
@media (max-width: 1024px) {
    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .contact-wrapper {
        gap: 3rem;
    }
}

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

@media (max-width: 600px) {
    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .projects-grid {
        grid-template-columns: 1fr;
    }
}

/* ===== Tablet/Mobile Logo Adjustments ===== */
@media (max-width: 768px) {
    :root {
        --header-height: 70px;
    }

    /* Logo: smaller spacing, adjust subtitle size */
    .logo {
        gap: 0.75rem;
    }

    .logo-main {
        font-size: 2rem;
        letter-spacing: 0.3em;
    }

    .logo-separator {
        height: 1.25rem;
    }

    .logo-subtitle {
        font-size: 0.625rem;
        letter-spacing: 0.12em;
    }

    /* Hide desktop nav, show mobile hamburger */
    .nav-menu-desktop {
        display: none;
    }

    .nav-toggle {
        display: flex;
        z-index: 1001;
    }

    /* Close button (X) inherits color from header state */
    .nav-toggle.active span {
        background: var(--header-text);
    }

    /* When header is scrolled (white bg), use dark X */
    .header.scrolled .nav-toggle.active span {
        background: var(--color-text);
    }

    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(6px, 6px);
    }

    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(6px, -6px);
    }

    /* Mobile menu backdrop - dimming overlay */
    .nav-menu-backdrop {
        display: block;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.6);
        opacity: 0;
        visibility: hidden;
        transition: opacity var(--transition-medium), visibility var(--transition-medium);
        z-index: 999;
    }

    .nav-menu-backdrop.active {
        opacity: 1;
        visibility: visible;
    }

    /* Mobile menu as popup - hidden by default */
    .nav-menu {
        display: none;
        position: fixed;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        width: auto;
        min-width: 200px;
        height: auto;
        background: var(--color-bg);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 1.5rem;
        padding: 2.5rem 3rem;
        border-radius: 8px;
        box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
        z-index: 1000;
        margin: 0;
    }

    .nav-menu.active {
        display: flex;
    }

    /* Mobile menu uses dark text on white background */
    .nav-menu .nav-link {
        font-size: 1rem;
        color: var(--color-text-muted);
        font-weight: 400;
    }

    .nav-menu .nav-link:hover,
    .nav-menu .nav-link.active {
        color: var(--color-text);
        font-weight: 600;
    }

    .hero-title {
        font-size: clamp(2.5rem, 8vw, 5rem);
    }

    .hero-subtitle {
        font-size: 1rem;
        letter-spacing: 0.2em;
    }

    .projects {
        padding: 5rem 0;
    }

    .contact {
        padding: 5rem 0;
    }

    .contact-wrapper {
        grid-template-columns: 1fr;
    }

    .section-title {
        margin-bottom: 3rem;
    }
}

/* ===== Mobile Phone Logo (< 480px) ===== */
@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }

    .header-container {
        padding: 0 1rem;
    }

    /* Ultra-compact logo for mobile */
    .logo {
        gap: 0.625rem;
    }

    .logo-main {
        font-size: 1.75rem;
        letter-spacing: 0.25em;
    }

    .logo-separator {
        height: 1rem;
    }

    /* Hide subtitle text on very small screens, show abbreviated version */
    .logo-subtitle {
        font-size: 0.5625rem;
        letter-spacing: 0.1em;
    }

    .hero-cta {
        padding: 0.875rem 2rem;
    }

    .project-overlay {
        opacity: 1;
        background: linear-gradient(to top, rgba(0, 0, 0, 0.8) 0%, transparent 100%);
    }

    .submit-btn {
        width: 100%;
        text-align: center;
    }
}

/* ===== Alternative: Hide subtitle on very narrow screens (< 380px) ===== */
@media (max-width: 380px) {
    .logo-subtitle,
    .logo-separator {
        display: none;
    }

    /* Logo is now just "BEA" - centered and bold */
    .logo {
        gap: 0;
    }
}

/* ===== Animations ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-content {
    animation: fadeInUp 1s ease-out 0.3s both;
}

.project-card {
    opacity: 0;
    animation: fadeInUp 0.6s ease-out forwards;
}

.project-card:nth-child(1) { animation-delay: 0.1s; }
.project-card:nth-child(2) { animation-delay: 0.2s; }
.project-card:nth-child(3) { animation-delay: 0.3s; }
.project-card:nth-child(4) { animation-delay: 0.4s; }
.project-card:nth-child(5) { animation-delay: 0.5s; }
.project-card:nth-child(6) { animation-delay: 0.6s; }
.project-card:nth-child(7) { animation-delay: 0.7s; }
.project-card:nth-child(8) { animation-delay: 0.8s; }

/* ===== Loading State ===== */
.loading-projects {
    grid-column: 1 / -1;
    text-align: center;
    padding: 4rem 2rem;
    color: var(--color-text-muted);
    font-size: 1rem;
    letter-spacing: 0.1em;
}

.error {
    grid-column: 1 / -1;
    text-align: center;
    padding: 2rem;
    color: #e74c3c;
}

/* ===== Skeleton Loading Screens ===== */
.skeleton-loading {
    position: fixed;
    top: var(--header-height);
    left: 0;
    width: 100%;
    height: calc(100vh - var(--header-height));
    overflow-y: auto;
    background: var(--color-bg);
    z-index: 100;
    opacity: 1;
    transition: opacity 0.4s ease-out;
}

.skeleton-loading.loaded {
    opacity: 0;
    pointer-events: none;
    /* Hide completely after transition */
    transition: opacity 0.4s ease-out, visibility 0s 0.4s;
    visibility: hidden;
}

.skeleton {
    background: #e8e8e8;
    border-radius: 4px;
    position: relative;
    overflow: hidden;
}

/* Shimmer animation */
.skeleton::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent 0%,
        rgba(255, 255, 255, 0.5) 50%,
        transparent 100%
    );
    animation: skeleton-shimmer 2s ease-in-out infinite;
}

@keyframes skeleton-shimmer {
    0% {
        left: -100%;
    }
    100% {
        left: 100%;
    }
}

/* Skeleton variants for different content types */
.skeleton-text {
    height: 1.2em;
    margin-bottom: 0.75rem;
    border-radius: 4px;
}

.skeleton-title {
    height: 2.5rem;
    width: 60%;
    margin-bottom: 1rem;
}

.skeleton-subtitle {
    height: 1.5rem;
    width: 40%;
    margin-bottom: 2rem;
}

.skeleton-image {
    width: 100%;
    aspect-ratio: 16 / 9;
    border-radius: 0;
}

.skeleton-meta {
    height: 1rem;
    width: 80%;
    margin-bottom: 0.5rem;
}

.skeleton-description-line {
    height: 1rem;
    margin-bottom: 0.5rem;
}

.skeleton-description-line:nth-child(1) { width: 95%; }
.skeleton-description-line:nth-child(2) { width: 100%; }
.skeleton-description-line:nth-child(3) { width: 88%; }
.skeleton-description-line:nth-child(4) { width: 60%; }

/* Skeleton hero split-screen layout */
.skeleton-hero-split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    min-height: 90vh;
}

.skeleton-hero-left {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 5rem 4rem;
    background: var(--color-bg-light);
}

.skeleton-hero-right {
    position: relative;
    overflow: hidden;
    background: var(--color-bg-light);
}

.skeleton-hero-right .skeleton-image {
    width: 100%;
    height: 100%;
    border-radius: 0;
}

.skeleton-hero-title {
    height: 4.5rem;
    width: 80%;
    margin-bottom: 3rem;
}

.skeleton-meta-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: 3rem;
    padding-bottom: 3rem;
}

.skeleton-meta-item {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.skeleton-meta-label {
    height: 0.7rem;
    width: 60%;
}

.skeleton-meta-value {
    height: 1.125rem;
    width: 80%;
}

.skeleton-intro {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.skeleton-intro-line {
    height: 1rem;
}

.skeleton-intro-line:nth-child(1) { width: 100%; }
.skeleton-intro-line:nth-child(2) { width: 95%; }
.skeleton-intro-line:nth-child(3) { width: 70%; }

/* Skeleton gallery */
.skeleton-gallery {
    padding: 4rem 0;
    max-width: 1200px;
    margin: 0 auto;
}

.skeleton-gallery-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.5rem;
    padding: 0 3rem;
}

.skeleton-gallery-item {
    aspect-ratio: 4 / 3;
}

/* Skeleton description */
.skeleton-description {
    max-width: 1200px;
    margin: 5rem auto;
    padding: 0 3rem;
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    .skeleton::after {
        animation: none;
    }
    
    .skeleton {
        background: linear-gradient(
            90deg,
            var(--color-bg-light) 0%,
            #fafafa 50%,
            var(--color-bg-light) 100%
        );
    }
}

/* Mobile responsive */
@media (max-width: 1024px) {
    .skeleton-hero-split {
        grid-template-columns: 1fr;
        min-height: auto;
    }
    
    .skeleton-hero-left {
        order: 1;
        padding: 2rem 1.5rem;
    }
    
    .skeleton-hero-right {
        order: 2;
        min-height: 50vh;
    }
    
    .skeleton-hero-title {
        height: 3rem;
        margin-bottom: 2rem;
    }
    
    .skeleton-meta-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        margin-bottom: 1.5rem;
        padding-bottom: 0;
    }
    
    .skeleton-gallery {
        padding: 3rem 0;
    }
    
    .skeleton-gallery-grid {
        padding: 0 1rem;
    }
    
    .skeleton-description {
        margin: 3rem auto;
        padding: 0 1.5rem;
    }
}

@media (max-width: 768px) {
    .skeleton-hero-left {
        padding: 1.5rem 1.5rem;
    }
    
    .skeleton-hero-title {
        height: 2.5rem;
        margin-bottom: 1.5rem;
    }
    
    .skeleton-meta-grid {
        margin-bottom: 1.5rem;
        padding-bottom: 1.5rem;
    }
    
    .skeleton-gallery-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .skeleton-hero-title {
        height: 2.25rem;
        width: 90%;
    }
}

/* ===== Project Detail Page ===== */
.header-solid {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
}

/* Header solid uses dark text (not over hero) */
.header-solid .logo-main {
    color: var(--color-text);
}

.header-solid .logo-subtitle {
    color: var(--color-text-muted);
}

.header-solid .logo-separator {
    background: var(--color-border);
}

.header-solid .nav-link {
    color: var(--color-text-muted);
    font-weight: 400;
}

.header-solid .nav-link:hover,
.header-solid .nav-link.active {
    color: var(--color-text);
    font-weight: 600;
}

.header-solid .nav-toggle span {
    background: var(--color-text);
}

.header-solid .lang-toggle {
    color: var(--color-text-muted);
    border-color: var(--color-border);
}

.header-solid .lang-toggle:hover {
    color: var(--color-text);
    border-color: var(--color-accent);
}

.project-detail {
    padding-top: var(--header-height);
    min-height: 100vh;
    background: var(--color-bg);
}

/* Split Screen Hero Layout */
.project-hero-split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    min-height: 90vh;
}

/* Image Side */
.project-hero-image {
    position: relative;
    overflow: hidden;
}

.project-hero-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Content Side */
.project-hero-content {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 5rem 4rem;
    background: var(--color-bg-light);
}

/* Title - Hero Element */
.project-title-split {
    font-size: 4.5rem;
    font-weight: 200;
    line-height: 1.05;
    letter-spacing: -0.03em;
    margin: 0 0 3rem 0;
    color: var(--color-text);
}

/* Meta Grid */
.project-meta-split {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: 3rem;
    padding-bottom: 3rem;
    border-bottom: 1px solid var(--color-border);
}

.project-meta-split-item {
    display: flex;
    flex-direction: column;
}

.project-meta-split-item dt {
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: 0.5rem;
}

.project-meta-split-item dd {
    font-size: 1.125rem;
    font-weight: 400;
    color: var(--color-text);
    margin: 0;
}

/* Intro Paragraph */
.project-intro {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--color-text-muted);
    max-width: 500px;
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    margin-bottom: 2rem;
    transition: color var(--transition-fast);
}

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

.back-link svg {
    transition: transform var(--transition-fast);
}

.back-link:hover svg {
    transform: translateX(-4px);
}

.project-header {
    margin-bottom: 3rem;
}

.project-detail-category {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: 1rem;
}

.project-detail-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 300;
    letter-spacing: 0.05em;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.project-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
}

.project-meta-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

.project-meta-item svg {
    color: var(--color-accent);
}

/* Project Gallery */
.project-gallery {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
    margin-bottom: 3rem;
}

.gallery-image {
    width: 100%;
    overflow: hidden;
}

.gallery-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform var(--transition-slow);
}

.gallery-image:hover img {
    transform: scale(1.02);
}

/* First image larger */
.gallery-image:first-child {
    grid-column: 1 / -1;
}

.gallery-image:first-child img {
    max-height: 70vh;
    object-fit: cover;
}

/* Project Description */
.project-description {
    max-width: 800px;
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--color-text-muted);
}

.project-description p {
    margin-bottom: 1.5rem;
}

.project-description h2,
.project-description h3 {
    color: var(--color-text);
    margin-top: 2rem;
    margin-bottom: 1rem;
}

/* Responsive */
@media (min-width: 768px) {
    .project-gallery {
        grid-template-columns: repeat(2, 1fr);
    }

    .gallery-image:first-child {
        grid-column: 1 / -1;
    }
}

@media (max-width: 768px) {
    .project-detail {
        padding-top: calc(var(--header-height) + 1rem);
    }

    .project-meta {
        gap: 1rem;
    }
}

/* ===== NEW PROJECT DETAIL ENHANCEMENTS ===== */

/* Scroll Progress Indicator */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 3px;
    background: var(--color-accent);
    z-index: 10001;
    transition: width 0.1s ease-out;
}

/* Skip to Content Link (Accessibility) */
.skip-to-content {
    position: absolute;
    top: -100px;
    left: 0;
    background: var(--color-text);
    color: white;
    padding: 0.75rem 1.5rem;
    text-decoration: none;
    z-index: 10002;
    transition: top 0.2s;
    font-weight: 500;
}

.skip-to-content:focus {
    top: 0;
}

/* Screen Reader Only */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* Sticky Back Navigation - Hidden */
.project-nav-sticky {
    display: none;
}

/* Project Gallery - Match width with description text */
.project-gallery {
    padding: 4rem 0 6rem;
    display: flex;
    justify-content: center;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.5rem;
    max-width: 1200px;
    width: 100%;
    padding: 0 3rem;
}

.gallery-item {
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.gallery-item img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.3s ease;
}

.gallery-item:hover img {
    transform: scale(1.05);
}

/* Wide images span 2 columns for panoramic shots */
.gallery-item.wide {
    grid-column: span 2;
}

/* Skeleton loading state */
.gallery-item.skeleton {
    min-height: 300px;
    background: linear-gradient(
        90deg,
        var(--color-bg-light) 0%,
        #e0e0e0 50%,
        var(--color-bg-light) 100%
    );
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

.gallery-item.loaded {
    animation: none;
}

/* Project Description - Aligned with Page Content */
.project-description {
    max-width: 1200px;
    margin: 5rem auto;
    padding: 0 3rem;
}

.project-description h2 {
    font-size: 1.75rem;
    font-weight: 300;
    margin: 3rem 0 1.5rem;
    color: var(--color-text);
    line-height: 1.3;
}

.project-description h3 {
    font-size: 1.25rem;
    font-weight: 500;
    margin: 2rem 0 1rem;
    color: var(--color-text);
}

.project-description p {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--color-text);
    margin-bottom: 1.5rem;
    font-weight: 400;
}

.project-description ul,
.project-description ol {
    margin: 1.5rem 0;
    padding-left: 2rem;
}

.project-description li {
    font-size: 1.125rem;
    line-height: 1.8;
    margin-bottom: 0.75rem;
}

.project-description a {
    color: var(--color-accent);
    text-decoration: none;
    border-bottom: 1px solid var(--color-accent);
    transition: border-color 0.2s;
}

.project-description a:hover {
    border-bottom-color: var(--color-text);
}

.project-description blockquote {
    border-left: 3px solid var(--color-accent);
    padding-left: 1.5rem;
    margin: 2rem 0;
    font-style: italic;
    color: var(--color-text-muted);
}

/* Next Project Navigation - Centered */
.project-adjacent-nav {
    border-top: 1px solid var(--color-border);
    padding: 4rem 0;
    margin-top: 4rem;
}

.project-adjacent-nav .container {
    display: flex;
    justify-content: center;
    align-items: center;
}

.adj-nav-link {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    text-decoration: none;
    transition: opacity 0.2s;
}

.adj-nav-link:hover {
    opacity: 0.7;
}

.adj-nav-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-muted);
    margin-bottom: 0.5rem;
}

.adj-nav-title {
    font-size: 1.125rem;
    font-weight: 500;
    color: var(--color-text);
}

/* Lightbox Modal */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 9999;
    display: none;
    align-items: center;
    justify-content: center;
}

.lightbox.active {
    display: flex;
}

.lightbox-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    cursor: pointer;
}

.lightbox-content {
    position: relative;
    max-width: 90vw;
    max-height: 90vh;
    z-index: 1;
    -webkit-user-select: none;
    user-select: none;
}

.lightbox-image {
    max-width: 100%;
    max-height: 85vh;
    display: block;
    margin: 0 auto;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
}

.lightbox-close,
.lightbox-nav {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
    width: 48px;
    height: 48px;
    min-width: 44px;
    min-height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    backdrop-filter: blur(10px);
    -webkit-tap-highlight-color: rgba(255, 255, 255, 0.2);
}

.lightbox-nav:hover,
.lightbox-nav:focus-visible {
    background: rgba(255, 255, 255, 0.2);
}

.lightbox-close {
    position: fixed;
    top: 2rem;
    right: 2rem;
    transition: filter 0.3s ease;
}

.lightbox-close:hover,
.lightbox-close:focus-visible {
    background: rgba(255, 255, 255, 0.2);
    filter: brightness(1.5);
}

.lightbox-nav {
    position: fixed;
}

.lightbox-prev {
    left: 2rem;
    top: 50%;
    transform: translateY(-50%);
}

.lightbox-next {
    right: 2rem;
    top: 50%;
    transform: translateY(-50%);
}

.lightbox-caption {
    position: absolute;
    bottom: -40px;
    left: 0;
    right: 0;
    text-align: center;
    color: white;
    font-size: 0.875rem;
}

.lightbox-counter {
    position: absolute;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    color: white;
    font-size: 0.875rem;
    background: rgba(0, 0, 0, 0.5);
    padding: 0.5rem 1rem;
    border-radius: 20px;
}

/* Focus States for Accessibility */
*:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

a:focus-visible,
button:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 4px;
}

/* Touch-friendly tap highlights */
.gallery-item,
.back-link,
.adj-nav-link {
    -webkit-tap-highlight-color: rgba(168, 159, 145, 0.2);
}

/* Responsive Adjustments - Split Screen Layout */
@media (max-width: 1024px) {
    .project-hero-split {
        grid-template-columns: 1fr;
        grid-template-rows: auto auto;
        min-height: auto;
    }
    
    /* Content appears BEFORE image on mobile */
    .project-hero-content {
        order: 1;
        padding: 2rem 1.5rem;
    }
    
    .project-hero-image {
        order: 2;
        min-height: 50vh;
    }
    
    .project-title-split {
        font-size: 3rem;
        margin-bottom: 2rem;
    }
    
    .project-meta-split {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        margin-bottom: 2rem;
        padding-bottom: 2rem;
    }
    
    .project-intro {
        font-size: 1.125rem;
    }
    
    .gallery-grid {
        gap: 0.5rem;
        padding: 0 1rem;
    }
}

@media (max-width: 768px) {
    .project-hero-content {
        padding: 1.5rem 1.5rem;
    }
    
    .project-title-split {
        font-size: 2.5rem;
        margin-bottom: 1.5rem;
    }
    
    .project-meta-split {
        margin-bottom: 1.5rem;
        padding-bottom: 1.5rem;
    }
    
    .project-intro {
        font-size: 1rem;
    }
    
    /* Gallery */
    .gallery-grid {
        grid-template-columns: 1fr;
        gap: 0.5rem;
        padding: 0 1rem;
    }
    
    .project-gallery {
        padding: 3rem 0;
    }
    
    /* Description */
    .project-description {
        margin: 3rem auto;
        padding: 0 1.5rem;
    }
    
    .project-description p {
        font-size: 1rem;
        line-height: 1.7;
    }
    
    /* Lightbox adjustments */
    .lightbox-prev,
    .lightbox-next {
        width: 40px;
        height: 40px;
    }
    
    .lightbox-prev { left: 1rem; }
    .lightbox-next { right: 1rem; }
    .lightbox-close { top: 1rem; right: 1rem; }
}

@media (max-width: 480px) {
    .project-title-split {
        font-size: 2.25rem;
    }
    
    .project-intro {
        font-size: 1rem;
    }
}