/* Design Embraced - CSS Styles */

:root {
    --bg-color: #0d0d0d;
    --text-color: #ffffff;
    --text-muted: #888888;
    --accent-color: #ffffff;
    --transition-duration: 1.2s;
    --ease-cinematic: cubic-bezier(0.19, 1, 0.22, 1);
    --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-in-out-quart: cubic-bezier(0.76, 0, 0.24, 1);
}

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

html, body {
    width: 100%;
    height: 100%;
    overflow: hidden;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
}

/* WebGL Canvas for Background */
#webgl-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
    opacity: 0.7;
}

/* Background Image Layer */
.background-image {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('../images/background.jpg');
    background-size: cover;
    background-position: center;
    z-index: 0;
}

/* Transition Canvas */
#transition-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1000;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.3s ease;
}

#transition-canvas.active {
    opacity: 1;
}

/* Main Wrapper */
.main-wrapper {
    position: relative;
    width: 100%;
    height: 100vh;
    overflow: hidden;
    z-index: 1;
}

/* Navigation */
.main-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    padding: 2rem 3rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 100;
    mix-blend-mode: difference;
}

.nav-logo {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-link {
    color: var(--text-color);
    text-decoration: none;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    opacity: 0.6;
    transition: opacity 0.3s ease;
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    opacity: 1;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--text-color);
    transition: width 0.3s ease;
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

/* Page Container */
.page-container {
    width: 100%;
    height: 100%;
    position: relative;
}

/* Page Content */
.page-content {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Pages */
.page {
    position: absolute;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transform: scale(0.95);
    transition: opacity var(--transition-duration) var(--ease-out-expo),
                transform var(--transition-duration) var(--ease-out-expo),
                visibility var(--transition-duration) linear;
}

.page.active {
    opacity: 1;
    visibility: visible;
    transform: scale(1);
}

.page.exit {
    opacity: 0;
    visibility: hidden;
    transform: scale(1.05);
}

/* Home Page */
.home-content {
    text-align: center;
    z-index: 10;
}

.home-title {
    font-size: clamp(3rem, 10vw, 8rem);
    font-weight: 700;
    line-height: 0.9;
    letter-spacing: -0.03em;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #fff 0%, #888 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.home-subtitle {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-bottom: 4rem;
    font-weight: 300;
}

/* Element Selector */
.element-selector {
    margin-top: 2rem;
}

.selector-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

.selector-grid {
    display: flex;
    gap: 0.5rem;
    justify-content: center;
    flex-wrap: wrap;
    max-width: 800px;
    margin: 0 auto;
}

.selector-item {
    width: 60px;
    height: 60px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.05);
}

.selector-item:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.4);
    transform: translateY(-4px);
}

.selector-item.active {
    background: var(--text-color);
    color: var(--bg-color);
    border-color: var(--text-color);
}

/* Element Display */
.element-display {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    max-width: 1400px;
    padding: 2rem;
    align-items: center;
    z-index: 10;
}

.element-image {
    aspect-ratio: 4/3;
    background-size: cover;
    background-position: center;
    border-radius: 4px;
    transform: translateY(30px);
    opacity: 0;
    transition: all 0.8s var(--ease-out-expo) 0.2s;
}

.page.active .element-image {
    transform: translateY(0);
    opacity: 1;
}

.element-info {
    transform: translateY(30px);
    opacity: 0;
    transition: all 0.8s var(--ease-out-expo) 0.4s;
}

.page.active .element-info {
    transform: translateY(0);
    opacity: 1;
}

.element-number {
    font-size: 0.8rem;
    color: var(--text-muted);
    letter-spacing: 0.2em;
    margin-bottom: 1rem;
    text-transform: uppercase;
}

.element-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 600;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
}

.element-description {
    font-size: 1.1rem;
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: 2rem;
    max-width: 500px;
}

.element-meta {
    display: flex;
    gap: 2rem;
    margin-bottom: 2rem;
}

.meta-item {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.meta-item strong {
    display: block;
    color: var(--text-color);
    margin-bottom: 0.25rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-size: 0.75rem;
}

.element-cta {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    background: var(--text-color);
    color: var(--bg-color);
    text-decoration: none;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 600;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.element-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 40px rgba(255, 255, 255, 0.2);
}

/* Static Content Pages */
.static-content {
    text-align: center;
    max-width: 600px;
    padding: 2rem;
    z-index: 10;
}

.static-content h1 {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.static-content p {
    font-size: 1.1rem;
    color: var(--text-muted);
    line-height: 1.7;
}

.contact-email {
    display: inline-block;
    margin-top: 2rem;
    padding: 1rem 2rem;
    background: var(--text-color);
    color: var(--bg-color);
    text-decoration: none;
    font-weight: 600;
    transition: transform 0.3s ease;
}

.contact-email:hover {
    transform: translateY(-2px);
}

/* Navigation Arrows */
.nav-arrows {
    position: fixed;
    top: 50%;
    transform: translateY(-50%);
    width: 100%;
    display: flex;
    justify-content: space-between;
    padding: 0 1rem;
    z-index: 100;
    pointer-events: none;
}

.nav-arrows.hidden {
    display: none;
}

.nav-arrow {
    width: 60px;
    height: 60px;
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    color: var(--text-color);
    cursor: pointer;
    pointer-events: auto;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    opacity: 0.6;
}

.nav-arrow:hover {
    opacity: 1;
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.4);
}

.nav-arrow svg {
    transition: transform 0.3s ease;
}

.nav-arrow:hover svg {
    transform: scale(1.1);
}

.nav-arrow.prev:hover svg {
    transform: translateX(-2px) scale(1.1);
}

.nav-arrow.next:hover svg {
    transform: translateX(2px) scale(1.1);
}

/* Back Button */
.back-btn {
    position: fixed;
    top: 2rem;
    left: 3rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 30px;
    color: var(--text-color);
    font-size: 0.85rem;
    cursor: pointer;
    z-index: 100;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    mix-blend-mode: difference;
}

.back-btn.visible {
    opacity: 1;
    visibility: visible;
}

.back-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.4);
}

/* Page Indicator */
.page-indicator {
    position: fixed;
    bottom: 2rem;
    left: 3rem;
    font-size: 0.9rem;
    color: var(--text-muted);
    z-index: 100;
    mix-blend-mode: difference;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.page-indicator.visible {
    opacity: 1;
    visibility: visible;
}

/* Progress Bar */
.progress-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: rgba(255, 255, 255, 0.1);
    z-index: 100;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.progress-bar.visible {
    opacity: 1;
    visibility: visible;
}

.progress-fill {
    height: 100%;
    background: var(--text-color);
    width: 16.66%;
    transition: width 0.5s var(--ease-out-expo);
}

/* Thumbnail Navigation */
.thumb-nav {
    position: fixed;
    right: 2rem;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    z-index: 100;
    mix-blend-mode: difference;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.thumb-nav.visible {
    opacity: 1;
    visibility: visible;
}

.thumb-dot {
    width: 8px;
    height: 8px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
}

.thumb-dot:hover,
.thumb-dot.active {
    background: var(--text-color);
    transform: scale(1.3);
}

/* Loading State */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-color);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.loading-overlay.hidden {
    opacity: 0;
    visibility: hidden;
}

.loading-text {
    font-size: 1.5rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
}

/* Responsive */
@media (max-width: 1024px) {
    .element-display {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }

    .element-description {
        margin-left: auto;
        margin-right: auto;
    }

    .element-meta {
        justify-content: center;
    }

    .main-nav {
        padding: 1.5rem;
    }

    .nav-links {
        gap: 1rem;
    }

    .thumb-nav {
        display: none;
    }

    .selector-item {
        width: 50px;
        height: 50px;
        font-size: 0.9rem;
    }
}

@media (max-width: 768px) {
    .nav-arrows {
        padding: 0 0.5rem;
    }

    .nav-arrow {
        width: 44px;
        height: 44px;
    }

    .page-indicator {
        left: 1.5rem;
        bottom: 1rem;
    }

    .element-title {
        font-size: 2rem;
    }

    .back-btn {
        left: 1rem;
        top: 5rem;
    }

    .home-title {
        font-size: 3rem;
    }

    .selector-grid {
        gap: 0.4rem;
    }

    .selector-item {
        width: 44px;
        height: 44px;
        font-size: 0.85rem;
    }
}

/* Fullscreen Project Overlay */
.project-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 1.2s var(--ease-cinematic), visibility 1.2s ease;
}

.project-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* Cinematic Curtain */
.curtain {
    position: fixed;
    top: 0;
    width: 50%;
    height: 100%;
    background: var(--bg-color);
    z-index: 1001;
    transition: transform 1.2s var(--ease-cinematic);
    pointer-events: none;
}

.curtain-left {
    left: 0;
    transform: translateX(-100%);
}

.curtain-right {
    right: 0;
    transform: translateX(100%);
}

.project-overlay.active .curtain-left {
    transform: translateX(-100%);
    transition-delay: 0.3s;
}

.project-overlay.active .curtain-right {
    transform: translateX(100%);
    transition-delay: 0.3s;
}

.curtain-left.open {
    transform: translateX(0);
}

.curtain-right.open {
    transform: translateX(0);
}

.project-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    pointer-events: none;
}

.project-background img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.fake3d-layer {
    position: absolute !important;
    top: 0 !important;
    left: 0 !important;
    width: 100% !important;
    height: 100% !important;
}

.project-overlay::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    z-index: 1;
}

.project-content {
    position: relative;
    z-index: 2;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 4rem;
    overflow-y: auto;
}

.project-content-inner {
    max-width: 800px;
    color: #fff;
    text-align: center;
    transform: translateY(30px);
    opacity: 0;
    transition: all 0.6s ease 0.3s;
}

.project-overlay.active .project-content-inner {
    transform: translateY(0);
    opacity: 1;
}

.project-content h1 {
    font-size: clamp(2rem, 5vw, 4rem);
    font-weight: 600;
    margin-bottom: 1.5rem;
    line-height: 1.1;
}

.project-content h2 {
    font-size: 1.5rem;
    margin-top: 2rem;
    margin-bottom: 1rem;
    font-weight: 500;
}

.project-content p {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
    color: rgba(255, 255, 255, 0.9);
}

.project-content ul {
    list-style: none;
    margin: 1.5rem 0;
}

.project-content li {
    display: inline-block;
    margin: 0.5rem 1rem;
    padding: 0.5rem 1rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    font-size: 0.9rem;
}

.project-close {
    position: fixed;
    top: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    color: #fff;
    cursor: pointer;
    z-index: 1001;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    opacity: 0;
    transform: scale(0.8);
}

.project-overlay.active .project-close {
    opacity: 1;
    transform: scale(1);
    transition-delay: 0.4s;
}

.project-close:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.4);
}

/* Project Navigation Arrows */
.project-nav-arrows {
    position: fixed;
    top: 50%;
    transform: translateY(-50%);
    width: 100%;
    display: flex;
    justify-content: space-between;
    padding: 0 1rem;
    z-index: 1001;
    pointer-events: none;
}

.project-nav-arrow {
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    color: #fff;
    cursor: pointer;
    pointer-events: auto;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    opacity: 0;
    transform: scale(0.8);
}

.project-overlay.active .project-nav-arrow {
    opacity: 1;
    transform: scale(1);
    transition-delay: 0.4s;
}

.project-nav-arrow:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.4);
}

.project-nav-arrow svg {
    transition: transform 0.3s ease;
}

.project-nav-arrow.prev:hover svg {
    transform: translateX(-2px) scale(1.1);
}

.project-nav-arrow.next:hover svg {
    transform: translateX(2px) scale(1.1);
}

/* Responsive */
@media (max-width: 768px) {
    .project-content {
        padding: 2rem;
    }
    
    .project-close {
        top: 1rem;
        right: 1rem;
        width: 44px;
        height: 44px;
    }
}