/* Base Styles */
:root {
    --bg-color: #fafafa;
    --text-color: #1a1a1a;
    --text-secondary: #4a4a4a;
    --accent-color: #FF6B6B;
    --secondary-color: #4ECDC4;
    --border-color: #e5e5e5;
    --card-bg: #ffffff;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Dark mode variables for project pages */
    --dark-bg-color: #1a1a1a;
    --dark-bg-secondary: #2d2d2d;
    --dark-text-color: #f5f5f5;
    --dark-text-secondary: #b8b8b8;
    --dark-accent-color: #FF7B7B;
    --dark-border-color: #404040;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Pretendard', 'Noto Sans KR', 'Albert Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.7;
    font-feature-settings: 'kern' 1;
    text-rendering: optimizeLegibility;
}


/* Typography */
h1 {
    font-size: clamp(3rem, 5vw, 4rem);
    font-weight: 700;
    line-height: 1.2;
    margin: 1rem 0;
    letter-spacing: -0.02em;
}

h2 {
    font-size: clamp(2rem, 4vw, 2.5rem);
    font-weight: 600;
    margin-bottom: 2rem;
    letter-spacing: -0.01em;
}

h3 {
    font-size: clamp(1.5rem, 3vw, 1.75rem);
    font-weight: 500;
    margin: 2rem 0 1rem;
    letter-spacing: -0.01em;
}

p {
    font-size: clamp(1rem, 2vw, 1.125rem);
    line-height: 1.8;
    margin-bottom: 1.5rem;
    word-break: keep-all;
    word-wrap: break-word;
}


/* Navigatilute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.2;
    z-index: -1;
}

.background-shape {
    position: absolute;
    border-radius: 50%;
    background: rgba(255,255,255,0.05);
    filter: blur(50px);
}on */
.nav-container {
    padding: 1.5rem 5%;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 800;
    /* background: rgba(239, 239, 239, 0.95);
    backdrop-filter: blur(10px); */
    /* background: #FF6B6B;
    backdrop-filter: blur( 3px );
    -webkit-backdrop-filter: blur( 50px ); */
    background: #efefef;
    backdrop-filter: blur(2.5px);
    -webkit-backdrop-filter: blur(2.5px);
}

.nav-content {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 600;
    text-decoration: none;
    color: var(--text-color);
    letter-spacing: -0.5px;
}

.nav-links {
    display: flex;
    gap: 2.5rem;
    list-style: none;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    position: relative;
    padding-bottom: 4px;
}

.nav-links a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 0;
    background-color: var(--accent-color);
    transition: var(--transition);
}

.nav-links a:hover::after {
    width: 100%;
}



/* Hero Section */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 8rem 5% 4rem;
}

.hero-content {
    max-width: 2000px;
    margin: 0 auto;
}

.greeting {
    font-size: 1.4rem;
    color: var(--accent-color);
    display: block;
    margin-bottom: 1rem;
}

.subtitle {
    font-size: clamp(1.25rem, 1.5vw, 1.5rem);
    opacity: 0.8;
    max-width: 700px;
    margin-top: 1rem;
}

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


/* Project Cards */
.work-section {
    padding: 8rem 5%;
    max-width: 1400px;
    margin: 0 auto;
}

.project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 3rem;
    margin-top: 3rem;
}

.project-card-link {
    text-decoration: none;
    color: inherit;
    display: block;
}

.project-card {
    background: var(--card-bg);
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    height: 100%;
    min-height: 480px;
}

.project-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 32px rgba(0, 0, 0, 0.12);
    border-color: var(--accent-color);
}

.project-image img {
    width: 100%;
    height: 240px;
    object-fit: cover;
}

.project-info {
    padding: 2rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.project-category {
    font-size: 0.9rem;
    color: var(--accent-color);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 500;
    margin-right: 10px;
    margin-bottom: 8px;
    display: inline-block;
}

.project-info h3 {
    margin: 0.5rem 0;
}

.view-project {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: auto;
    padding-top: 1.5rem;
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

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

.arrow {
    transition: var(--transition);
}

.view-project:hover .arrow {
    transform: translateX(4px);
}


/* About Section */
.about-section {
    padding: 12rem 5% 8rem;
    max-width: 1000px;
    margin: 0 auto;
}

.bio {
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

.background {
    padding-bottom: 1rem;
}



/* Time line */
.timeline {
    list-style: none;
    margin-top: 2rem;
}

.timeline li {
    margin-bottom: 2rem;
    position: relative;
    padding-left: 2rem;
}

.timeline li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.5rem;
    width: 8px;
    height: 8px;
    background: var(--accent-color);
    border-radius: 50%;
}


/* tool */
.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.tool-item {
    background: white;
    padding: 1rem;
    border-radius: 12px;
    transition: var(--transition);
}

.tool-name {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.tool-bar {
    height: 4px;
    background: var(--accent-color);
    border-radius: 2px;
    opacity: 0.2;
    transition: var(--transition);
}

.tool-item:hover .tool-bar {
    opacity: 1;
    transform: scaleX(1.05);
}


/* Contact Section */
.contact-section {
    padding: 8rem 5%;
    text-align: center;
    background: white;
}

.contact-buttons {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
    margin-top: 3rem;
}

.primary-button {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: var(--text-color);
    color: var(--bg-color);
    text-decoration: none;
    border-radius: 100px;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.primary-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.primary-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.primary-button:hover::before {
    left: 100%;
}

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

.social-link {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.social-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -4px;
    left: 0;
    background-color: var(--accent-color);
    transition: width 0.3s ease;
}

.social-link:hover::after {
    width: 100%;
}

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

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

/* Footer styles moved to layout.css for better organization */

/* Project Detail Pages */
.project-hero {
    padding: 8rem 5% 0.1rem;
    max-width: 1400px;
    margin: 0 auto;
}

.project-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 0.5rem;
}

.project-role, .project-duration {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--accent-color);
    background: rgba(255, 107, 107, 0.1);
    padding: 0.25rem 0.5rem;
    border-radius: 0.25rem;
}

.project-impact {
    display: flex;
    gap: 0.5rem;
    margin-top: 1rem;
    flex-wrap: wrap;
}

.impact-metric {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-secondary);
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    padding: 0.25rem 0.5rem;
    border-radius: 1rem;
}

.back-link {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

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

.project-subtitle {
    font-size: 1.2rem;
    opacity: 0.8;
    max-width: 800px;
    margin: 1.5rem 0 2rem;
}

.project-image-hero {
    width: 100%;
    max-width: 800px;
    margin: 3rem 0;
}

.project-image-hero img {
    width: 100%;
    height: auto;
    border-radius: 16px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.project-details {
    padding: 0.1rem 5%;
    max-width: 1000px;
    margin: 0 auto;
}

.project-overview {
    margin-top: 8rem;
    margin-bottom: 4rem;
}

.project-specs {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
    padding: 2rem 0;
    border-top: 1px solid rgba(0, 0, 0, 0.1);
}

.spec-item h3 {
    margin: 0 0 0.5rem;
    font-size: 1rem;
    color: var(--accent-color);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.spec-item p {
    font-size: 1.1rem;
    font-weight: 500;
    margin-bottom: 0.1rem;
}

.spec-item p:last-child {
    margin-bottom: 0;
}

.project-section {
    margin: 3rem 0;
}

.feature-list {
    list-style: none;
    margin-top: 1rem;
}

.feature-list li {
    padding: 0.5rem 0;
    position: relative;
    padding-left: 1.5rem;
}

.feature-list li::before {
    content: '•';
    color: var(--accent-color);
    position: absolute;
    left: 0;
    font-size: 1.2rem;
}

/* Sub Projects Grid */
.sub-projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.sub-project-card {
    background: var(--card-bg);
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.sub-project-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
    border-color: var(--accent-color);
}

.sub-project-image {
    height: 180px;
    overflow: hidden;
}

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

.sub-project-info {
    padding: 1.5rem;
}

.sub-project-info h3 {
    margin: 0 0 0.5rem 0;
    font-size: 1.2rem;
    font-weight: 600;
}

.sub-project-info p {
    margin: 0 0 1rem 0;
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.project-status {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 500;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    background: rgba(255, 107, 107, 0.1);
    color: var(--accent-color);
}

.project-navigation {
    display: flex;
    justify-content: space-between;
    margin-top: 6rem;
    padding-top: 3rem;
    border-top: 1px solid rgba(0, 0, 0, 0.1);
    gap: 2rem;
    margin-bottom: 4rem;
}

.nav-project {
    text-decoration: none;
    color: var(--text-color);
    padding: 1.5rem;
    background: white;
    border-radius: 12px;
    transition: var(--transition);
    flex: 1;
}

.nav-project:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.1);
}

.nav-project span {
    font-size: 0.9rem;
    color: var(--accent-color);
    text-transform: uppercase;
    letter-spacing: 1px;
    display: block;
    margin-bottom: 0.5rem;
}

.nav-project h3 {
    margin: 0;
    font-size: 1.2rem;
}

.nav-project.prev {
    text-align: left;
}

.nav-project:not(.prev) {
    text-align: right;
}

/* Page Transition Animation */
body {
    transition: background-color 0.6s ease, color 0.6s ease;
}

.nav-container {
    transition: background 0.6s ease, border-bottom 0.6s ease;
}

.logo {
    transition: color 0.6s ease;
}

.nav-links a {
    transition: color 0.6s ease;
}

.back-link {
    transition: color 0.6s ease;
}

.project-category {
    transition: color 0.6s ease;
}

.project-subtitle {
    transition: color 0.6s ease;
    margin-bottom: 15px;
}



/* Dark Mode for Project Detail Pages */
.dark-mode {
    background-color: var(--dark-bg-color);
    color: var(--dark-text-color);
}

.dark-mode .nav-container {
    background: rgba(26, 26, 26, 0.85);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border-bottom: 1px solid rgba(64, 64, 64, 0.3);
}

.dark-mode .logo {
    color: var(--dark-text-color);
}

.dark-mode .nav-links a {
    color: var(--dark-text-color);
}

.dark-mode .nav-links a::after {
    background-color: var(--dark-accent-color);
}

.dark-mode .back-link {
    color: var(--dark-text-secondary);
}

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

.dark-mode .project-category {
    color: var(--dark-accent-color);
}

.dark-mode .project-subtitle {
    color: var(--dark-text-secondary);
}

.dark-mode .project-specs {
    border: none;
}

.dark-mode .spec-item h3 {
    color: var(--dark-accent-color);
}

.dark-mode .spec-item p {
    color: var(--dark-text-color);
}

.dark-mode .feature-list li::before {
    color: var(--dark-accent-color);
}

.dark-mode .project-navigation {
    border-top: none;
}

.dark-mode .nav-project {
    background: var(--dark-bg-secondary);
    color: var(--dark-text-color);
    border: none;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.dark-mode .nav-project:hover {
    background: #404040;
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.4);
    transform: translateY(-4px);
}

.dark-mode .nav-project span {
    color: var(--dark-accent-color);
}

.dark-mode .nav-project h3 {
    color: var(--dark-text-color);
}

/* Footer */
footer {
    padding: var(--space-12) var(--space-20);
    text-align: center;
    background: var(--neutral-800) !important;
    color: var(--neutral-100) !important;
    border-top: 2px solid var(--neutral-200);
    margin-top: 0;
    min-height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 10;
}

footer p {
    margin: 0;
    font-size: var(--text-sm);
    opacity: 0.9 !important;
    line-height: 1.6;
    color: var(--neutral-100) !important;
}

/* Dark mode footer styles moved to dark-mode.css */

.dark-mode .project-image-hero img {
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
    border: none;
}

/* === Project Image Styles === */
/* Main presentation images ('장표') */
.img-main {
    display: block;
    width: 100%;
    max-width: 864px; /* A generous width for key visuals */
    height: auto;
    margin: 3rem auto; /* Ample spacing */
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border: 1px solid var(--border-color);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.img-main:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

/* Process artifacts ('진행과정') */
.img-process {
    display: block;
    width: 100%;
    max-width: 640px; /* Slightly smaller to create visual hierarchy */
    height: auto;
    margin: 2rem auto; /* Less vertical space to group them */
    border-radius: 8px;
    border: 1px solid #e0e0e0; /* A simple border instead of a shadow */
    opacity: 0.9;
    transition: opacity 0.3s ease, border-color 0.3s ease;
}
.img-process:hover {
    opacity: 1;
    border-color: var(--accent-color);
}

@media (max-width: 768px) {
    .img-main {
        max-width: 90vw;
        margin: 2rem auto;
    }
    
    .img-process {
        max-width: 85vw;
        margin: 1.5rem auto;
    }
}




/* Animations */
@keyframes revealText {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.reveal-text {
    animation: revealText 1s ease forwards;
}

.reveal-text-delay {
    animation: revealText 1s ease 0.3s forwards;
    opacity: 0;
}















/* Animated Background
.animated-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: -1; Behind navigation 
}

Layers
.layer {
    position: absolute;
    width: 150%;
    height: 150%;
    top: -25%;
    left: -25%;
    background: radial-gradient(circle, var(--accent-color) 0%, transparent 80%);
    border-radius: 50%;
    animation: moveLayer 20s linear infinite;
    filter: blur(80px);
    opacity: 0.5;
}

.layer1 {
    background: radial-gradient(circle, var(--accent-color) 0%, transparent 80%);
    animation-duration: 25s;
}

.layer2 {
    background: radial-gradient(circle, var(--secondary-color) 0%, transparent 80%);
    animation-duration: 30s;
    animation-direction: reverse;
}

.layer3 {
    background: radial-gradient(circle, var(--text-color) 0%, transparent 80%);
    animation-duration: 40s;
}

Layer Animation
@keyframes moveLayer {
    0% {
        transform: translate(0, 0) scale(1);
    }
    50% {
        transform: translate(50%, -50%) scale(1.5);
    }
    100% {
        transform: translate(-50%, 50%) scale(1);
    }
} */









/* === In-Page Navigation === */
.project-container {
    display: grid;
    grid-template-columns: 220px 1fr; /* Navigation and main content */
    align-items: start;
    gap: 3rem;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 5%;
}

.in-page-nav {
    position: sticky;
    top: 10rem; /* Stick below the main nav */
    align-self: start;
}

.in-page-nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.in-page-nav li {
    margin: 0;
}

.in-page-nav a {
    display: block;
    padding: 0.6rem 1.5rem;
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.9rem;
    border-left: 3px solid transparent;
    margin-left: -2px; /* Align with border */
    transition: all 0.2s ease;
}

.in-page-nav a:hover {
    color: var(--text-color);
    background-color: rgba(0,0,0,0.03);
}

.in-page-nav a.active {
    color: var(--accent-color);
    font-weight: 600;
    border-left-color: var(--accent-color);
}

/* Nested list for h3 */
.in-page-nav ul ul {
    padding-left: 1rem;
    margin: 0;
    border-left: none;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease-in-out, margin 0.4s ease-in-out;
}

/* When parent link is active, expand the sub-menu */
.in-page-nav > ul > li:has(> a.active) ul {
    margin: 0.5rem 0;
    max-height: 500px; /* Large enough to fit all items */
}

.in-page-nav ul ul a {
    font-size: 0.85em;
    padding-top: 0.3rem;
    padding-bottom: 0.3rem;
    color: #6c757d; /* Muted color for sub-items */
    opacity: 0.7;
}

.in-page-nav ul ul a.active {
    color: var(--accent-color);
    font-weight: 500;
    opacity: 1;
}

/* Responsive adjustments */
@media (max-width: 1200px) {
    .project-container {
        grid-template-columns: 1fr; /* Stack on smaller screens */
    }
    .in-page-nav {
        display: none; /* Hide nav on smaller screens */
    }
}

/* Adjustments for the main content area */
.project-main-content .project-hero {
    max-width: none; /* Override max-width for hero */
}

.project-main-content .project-details {
    padding: 0.1rem 0; /* Remove horizontal padding */
    max-width: none;
}

/* === Figure and Figcaption Styles === */
figure {
    margin: 0; /* Reset browser default margin */
}

/* Adjust margin for images inside a figure to make room for the caption */
figure .img-main,
figure .img-process {
    margin-bottom: 1rem;
}

figcaption {
    max-width: 640px; /* Align with the general content width */
    margin: 0 auto 3rem; /* Center the caption and add space below */
    padding: 0 1rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
    text-align: center;
    line-height: 1.6;
}

/* === Image Grid Layout === */
.image-grid-2col {
    display: grid;
    grid-template-columns: 1fr 1fr; /* Two equal columns */
    gap: 2rem; /* Space between the images */
    align-items: start; /* Align items to the top */
    margin: 3rem 0;
}

/* The images/figures inside the grid should not have their own auto margins */
.image-grid-2col > figure,
.image-grid-2col > img {
    margin: 0;
}

.image-grid-2col .img-process {
    margin: 0 auto 1rem; /* Center image within its column, add margin for caption */
}

.image-grid-2col figcaption {
    margin-bottom: 0; /* Remove the large bottom margin for gridded items */
}

/* Responsive behavior */
@media (max-width: 768px) {
    .image-grid-2col {
        grid-template-columns: 1fr; /* Stack them on smaller screens */
    }
}

/* === Polished Typography & Spacing (Expert Review) === */

/* Add character-based max-width for better readability */
.project-section p {
    max-width: 75ch;
}

/* Adjust heading margins for better rhythm */
.project-section h2 {
    margin-bottom: 2.5rem;
}

.project-section h3 {
    margin-top: 3rem;
}

/* Increase spacing and add a separator for major sections */
.project-section {
    padding-top: 4rem;
    margin-top: 4rem;
    border-top: 1px solid var(--border-color);
}

/* Remove top separator for the very first section */
.project-content > .project-section:first-of-type {
    padding-top: 0;
    margin-top: 3rem;
    border-top: none;
}

/* Decorative separator for h3 sections */
.h3-separator {
    text-align: center;
    margin: 4rem auto;
    width: 100px;
    height: 2px;
    background: linear-gradient(to right, transparent, var(--accent-color), transparent);
    opacity: 0.3;
}

/* Tweak for spec items */
.spec-item-multi-line p {
    margin-bottom: 0.25rem;
    line-height: 1.5;
}

/* === Prototype List Styles === */
.prototype-list {
    margin: 4rem 0;
}

.prototype-row {
    display: flex;
    align-items: center;
    gap: 4rem;
    margin-bottom: 5rem;
    max-width: 1200px;
}

.prototype-row:last-child {
    margin-bottom: 0;
}

.prototype-gif {
    flex: 0 0 auto;
}

.prototype-gif img {
    width: auto;
    height: auto;
    max-width: 320px;
    max-height: 600px;
    border-radius: 45px;
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.15);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.prototype-gif img:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 48px rgba(0, 0, 0, 0.2);
}

.prototype-description {
    flex: 1;
    padding-left: 1rem;
    opacity: 0;
    transform: translateX(30px);
    animation: fadeInSlide 0.8s ease forwards;
}

.prototype-row:nth-child(1) .prototype-description {
    animation-delay: 0.2s;
}

.prototype-row:nth-child(2) .prototype-description {
    animation-delay: 0.4s;
}

.prototype-row:nth-child(3) .prototype-description {
    animation-delay: 0.6s;
}

.prototype-row:nth-child(4) .prototype-description {
    animation-delay: 0.8s;
}

.prototype-row:nth-child(5) .prototype-description {
    animation-delay: 1.0s;
}

.prototype-row:nth-child(6) .prototype-description {
    animation-delay: 1.2s;
}

.prototype-description h4 {
    margin: 0 0 1rem 0;
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--accent-color);
    line-height: 1.3;
    transition: color 0.3s ease;
}

.prototype-description:hover h4 {
    color: var(--accent-color);
}

.prototype-description p {
    margin: 0;
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.6;
    transition: color 0.3s ease, transform 0.3s ease;
}

.prototype-description:hover p {
    color: var(--text-color);
    transform: translateX(5px);
}

@keyframes fadeInSlide {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Dark mode support */
.dark-mode .prototype-gif img {
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.3);
}

.dark-mode .prototype-gif img:hover {
    box-shadow: 0 20px 48px rgba(0, 0, 0, 0.4);
}

.dark-mode .prototype-description h4 {
    color: var(--dark-text-color);
}

.dark-mode .prototype-description p {
    color: var(--dark-text-secondary);
}

/* Responsive adjustments */
@media (max-width: 1024px) {
    .prototype-row {
        flex-direction: column;
        align-items: center;
        text-align: center;
        gap: 2rem;
        margin-bottom: 4rem;
    }
    
    .prototype-gif img {
        max-width: 280px;
        max-height: 520px;
    }
    
    .prototype-description {
        padding-left: 0;
    }
    
    .prototype-description h4 {
        font-size: 1.3rem;
    }
    
    .prototype-description p {
        font-size: 1rem;
    }
}

@media (max-width: 768px) {
    .prototype-row {
        gap: 1.5rem;
        margin-bottom: 3rem;
    }
    
    .prototype-gif img {
        max-width: 240px;
        max-height: 450px;
    }
    
    .prototype-description h4 {
        font-size: 1.2rem;
    }
    
    .prototype-description p {
        font-size: 0.95rem;
    }
}

/* Theme Toggle Button - Essential styles only */
.theme-toggle {
    position: relative;
    width: 50px;
    height: 26px;
    background: #f5f5f5;
    border: 2px solid #efefef;
    border-radius: 13px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.theme-toggle::before {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    width: 18px;
    height: 18px;
    background: white;
    border-radius: 50%;
    transition: transform 0.3s ease;
}

.theme-toggle:hover {
    border-color: #FF6B6B;
    box-shadow: 0 0 0 2px rgba(255, 107, 107, 0.1);
}

.sun-icon, .moon-icon {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    font-size: 12px;
    transition: opacity 0.3s ease;
}

.sun-icon {
    left: 4px;
    opacity: 1;
}

.moon-icon {
    right: 4px;
    opacity: 0;
}

/* Dark mode toggle states */
body.dark-mode .theme-toggle {
    background: #2a2a2a;
    border: 2px solid #555;
}

body.dark-mode .theme-toggle::before {
    transform: translateX(24px);
    background: #f0f0f0;
}

body.dark-mode .sun-icon {
    opacity: 0;
}

body.dark-mode .moon-icon {
    opacity: 1;
}

/* Override for project pages to maintain original content colors */
.project-container,
.project-main-content,
.project-hero,
.project-details,
.project-content,
.project-section,
.in-page-nav {
    /* Ensure project content maintains original styling */
    background-color: inherit;
    color: inherit;
}

/* Project specific overrides to prevent layout CSS interference */
.project-container {
    background: inherit !important;
}

.project-hero {
    background: var(--project-hero-bg, inherit) !important;
}

.project-details {
    background: var(--project-details-bg, inherit) !important;
}

/* Project item spacing and divider styles */
.project-item {
    margin: 2rem 0;
}

.project-divider {
    height: 2px;
    background: linear-gradient(to right, transparent, var(--border-color), transparent);
    margin: 3rem auto;
    width: 80%;
    opacity: 0.5;
}