/* ===========================
   PROJECTS PAGE STYLES
   =========================== */

/* ===========================
   PAGE HEADER
   =========================== */

.page-header {
    padding: var(--spacing-2xl) 0;
    background: var(--color-off-white);
    border-bottom: var(--border-extra-thick) solid var(--color-pure-black);
    position: relative;
    overflow: hidden;
}

.header-container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    text-align: center;
}

.page-title {
    font-size: clamp(4rem, 15vw, 12rem);
    margin-bottom: var(--spacing-xl);
    position: relative;
    display: inline-block;
}

.title-outline {
    color: transparent;
    -webkit-text-stroke: 4px var(--color-pure-black);
    position: relative;
    display: inline-block;
    animation: colorShift 5s ease-in-out infinite;
}

@keyframes colorShift {
    0%, 100% {
        -webkit-text-stroke: 4px var(--color-pure-black);
    }
    25% {
        -webkit-text-stroke: 4px var(--color-electric-blue);
    }
    50% {
        -webkit-text-stroke: 4px var(--color-hot-pink);
    }
    75% {
        -webkit-text-stroke: 4px var(--color-cyber-lime);
    }
}

/* Tech Ticker */
.tech-ticker {
    height: 50px;
    overflow: hidden;
    position: relative;
    border-top: var(--border-medium) solid var(--color-pure-black);
    border-bottom: var(--border-medium) solid var(--color-pure-black);
    background: var(--color-pure-black);
}

.ticker-track {
    display: flex;
    align-items: center;
    height: 100%;
}

.tech-ticker .ticker-content {
    color: var(--color-cyber-lime);
    font-family: var(--font-body);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    white-space: nowrap;
    padding: 0 var(--spacing-md);
    animation: scroll 30s linear infinite;
}

@keyframes scroll {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

/* ===========================
   PROJECT FILTERS
   =========================== */

.project-filters {
    padding: var(--spacing-xl) 0;
    background: var(--color-concrete-gray);
    border-bottom: var(--border-thick) solid var(--color-pure-black);
}

.filter-container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    justify-content: center;
}

.filter-btn {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1rem;
    text-transform: uppercase;
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--color-off-white);
    color: var(--color-pure-black);
    border: var(--border-thick) solid var(--color-pure-black);
    cursor: pointer;
    transition: all 0.2s ease;
    position: relative;
}

.filter-btn::after {
    content: '';
    position: absolute;
    top: var(--border-medium);
    left: var(--border-medium);
    right: calc(var(--border-medium) * -1);
    bottom: calc(var(--border-medium) * -1);
    background: var(--color-pure-black);
    z-index: -1;
    opacity: 0;
    transition: all 0.2s ease;
}

.filter-btn:hover,
.filter-btn.active {
    transform: translate(-4px, -4px);
}

.filter-btn:hover::after,
.filter-btn.active::after {
    opacity: 1;
    top: calc(var(--border-medium) + 4px);
    left: calc(var(--border-medium) + 4px);
}

.filter-btn.active {
    background: var(--color-cyber-lime);
}

/* ===========================
   BENTO GRID LAYOUT
   =========================== */

.projects-section {
    padding: var(--spacing-3xl) 0;
    background: var(--color-off-white);
    position: relative;
}

.projects-container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.bento-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-xl);
    grid-auto-flow: dense;
}

/* ===========================
   PROJECT CARDS
   =========================== */

.project-card {
    background: var(--color-off-white);
    border: var(--border-thick) solid var(--color-pure-black);
    padding: var(--spacing-xl);
    position: relative;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    min-height: 300px;
}

.project-card.featured {
    grid-column: span 2;
    grid-row: span 2;
    background: linear-gradient(135deg, 
        var(--color-off-white) 0%, 
        var(--color-off-white) 50%, 
        var(--color-concrete-gray) 50%);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    padding: var(--spacing-2xl);
}

/* Project card shadows by category */
.project-card[data-category="web3"] {
    box-shadow: var(--shadow-offset-lg) var(--shadow-offset-lg) 0 var(--color-electric-blue);
}

.project-card[data-category="ai"] {
    box-shadow: var(--shadow-offset-lg) var(--shadow-offset-lg) 0 var(--color-cyber-lime);
    transform: rotate(-1deg);
}

.project-card[data-category="defi"] {
    box-shadow: var(--shadow-offset-lg) var(--shadow-offset-lg) 0 var(--color-hot-pink);
    transform: rotate(1deg);
}

.project-card[data-category="infrastructure"] {
    box-shadow: var(--shadow-offset-lg) var(--shadow-offset-lg) 0 var(--color-tangerine);
}

.project-card:hover {
    transform: translateY(-10px) rotate(0deg);
}

.project-card.featured:hover {
    transform: translateY(-10px);
}

/* Project Badge */
.project-badge {
    position: absolute;
    top: 0;
    right: var(--spacing-lg);
    background: var(--color-hot-pink);
    color: white;
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    border: var(--border-thin) solid var(--color-pure-black);
    border-top: none;
    transform: rotate(2deg);
}

/* Project Content */
.project-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    z-index: 1;
}

.project-title {
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 900;
    text-transform: uppercase;
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}

.featured .project-title {
    font-size: clamp(2rem, 4vw, 3rem);
}

.project-description {
    font-size: 1rem;
    line-height: 1.6;
    margin-bottom: var(--spacing-lg);
    flex: 1;
}

/* Project Metrics */
.project-metrics {
    display: flex;
    gap: var(--spacing-lg);
    margin: var(--spacing-lg) 0;
    padding: var(--spacing-md);
    background: var(--color-pure-black);
    border: var(--border-medium) solid var(--color-pure-black);
}

.metric {
    text-align: center;
}

.metric-value {
    display: block;
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 900;
    color: var(--color-cyber-lime);
}

.metric-label {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-off-white);
}

/* Tech Stack */
.tech-stack {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin-top: auto;
}

.tech-tag {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--color-butter-yellow);
    border: var(--border-thin) solid var(--color-pure-black);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    transition: all 0.2s ease;
}

.tech-tag:hover {
    background: var(--color-electric-blue);
    color: white;
    transform: rotate(-3deg) scale(1.05);
}

/* Project Visual (Featured) */
.project-visual {
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.geometric-pattern {
    position: relative;
    width: 300px;
    height: 300px;
}

.pattern-block {
    position: absolute;
    border: var(--border-thick) solid var(--color-pure-black);
}

.pattern-block.block-1 {
    width: 150px;
    height: 150px;
    background: var(--color-electric-blue);
    top: 0;
    left: 0;
    transform: rotate(15deg);
    animation: float1 4s ease-in-out infinite;
}

.pattern-block.block-2 {
    width: 120px;
    height: 120px;
    background: var(--color-cyber-lime);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) rotate(-20deg);
    animation: float2 5s ease-in-out infinite;
}

.pattern-block.block-3 {
    width: 100px;
    height: 100px;
    background: var(--color-hot-pink);
    bottom: 0;
    right: 0;
    transform: rotate(45deg);
    animation: float3 3.5s ease-in-out infinite;
}

@keyframes float1 {
    0%, 100% { transform: rotate(15deg) translateY(0); }
    50% { transform: rotate(15deg) translateY(-20px); }
}

@keyframes float2 {
    0%, 100% { transform: translate(-50%, -50%) rotate(-20deg); }
    50% { transform: translate(-50%, -50%) rotate(-25deg) scale(1.1); }
}

@keyframes float3 {
    0%, 100% { transform: rotate(45deg); }
    50% { transform: rotate(50deg) translateX(-10px); }
}

/* ===========================
   OPEN SOURCE SECTION
   =========================== */

.open-source {
    padding: var(--spacing-3xl) 0;
    background: var(--color-pure-black);
    position: relative;
}

.opensource-container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.open-source .section-title {
    color: var(--color-off-white);
    text-align: center;
}

.open-source .section-title::after {
    background: var(--color-cyber-lime);
}

.contributions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-2xl);
}

.contribution-card {
    background: var(--color-off-white);
    border: var(--border-thick) solid var(--color-cyber-lime);
    padding: var(--spacing-xl);
    text-align: center;
    position: relative;
    transition: all 0.3s ease;
}

.contribution-card:nth-child(1) {
    transform: rotate(-2deg);
    box-shadow: var(--shadow-offset) var(--shadow-offset) 0 var(--color-cyber-lime);
}

.contribution-card:nth-child(2) {
    transform: rotate(1deg);
    box-shadow: var(--shadow-offset) var(--shadow-offset) 0 var(--color-hot-pink);
}

.contribution-card:nth-child(3) {
    transform: rotate(-1deg);
    box-shadow: var(--shadow-offset) var(--shadow-offset) 0 var(--color-electric-blue);
}

.contribution-card:hover {
    transform: rotate(0deg) translateY(-8px);
}

.contrib-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.contrib-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 900;
    text-transform: uppercase;
    margin-bottom: var(--spacing-sm);
}

.contrib-description {
    font-size: 0.875rem;
    line-height: 1.6;
}

/* ===========================
   RESPONSIVE DESIGN
   =========================== */

@media (max-width: 1024px) {
    .project-card.featured {
        grid-column: span 1;
        grid-template-columns: 1fr;
    }
    
    .project-visual {
        display: none;
    }
}

@media (max-width: 768px) {
    .bento-grid {
        grid-template-columns: 1fr;
    }
    
    .project-card.featured {
        grid-row: span 1;
    }
    
    .page-title {
        font-size: clamp(3rem, 12vw, 6rem);
    }
    
    .filter-container {
        padding: 0 var(--spacing-md);
    }
    
    .filter-btn {
        font-size: 0.875rem;
        padding: var(--spacing-xs) var(--spacing-md);
    }
    
    .contributions-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .project-card {
        padding: var(--spacing-md);
    }
    
    .project-card.featured {
        padding: var(--spacing-md);
    }
    
    .project-metrics {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .metric-value {
        font-size: 1.5rem;
    }
    
    .tech-ticker {
        height: 40px;
    }
    
    .tech-ticker .ticker-content {
        font-size: 0.875rem;
    }

    .filter-btn {
        font-size: 0.875rem;
        padding: var(--spacing-sm) var(--spacing-md);
        min-height: 44px;
    }
}

/* ===========================
   ANIMATIONS & INTERACTIONS
   =========================== */

.project-card {
    opacity: 0;
    animation: fadeInUp 0.6s ease 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; }
.project-card:nth-child(9) { animation-delay: 0.9s; }

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

/* Hide projects initially for filtering */
.project-card[style*="display: none"] {
    animation: none;
    opacity: 1;
}

.project-card.fade-in {
    animation: fadeIn 0.5s ease;
}

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