:root {
    /* Dark Mode SaaS Design System (Stripe/Linear/Palantir vibe) */
    --bg-color: #0B0F19; /* Deep Midnight Blue */
    --card-bg: #111827; /* Dark Slate */
    
    --primary: #3B82F6; /* Electric Blue */
    --primary-rgb: 59, 130, 246;
    --secondary: #06B6D4; /* Neon Cyan */
    --accent-purple: #8B5CF6; /* Soft Purple Gradient Component */
    
    --text-primary: #F8FAFC; /* White / Off-white */
    --text-secondary: #94A3B8; /* Soft Grey */
    --text-light: #64748B; /* Muted Slate Grey */
    
    /* Typography */
    --font-heading: 'Space Grotesk', sans-serif;
    --font-body: 'Inter', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    
    /* Glowing Neon Shadows & Glassmorphism */
    --glass-border: rgba(255, 255, 255, 0.05);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.4);
    --hover-shadow: 0 0 20px rgba(59, 130, 246, 0.3); /* Neon glow hover */
    
    --border-radius: 12px;
    --border-radius-lg: 20px;
    --transition: all 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
}

/* Light Theme Variables */
[data-theme="light"] {
    --bg-color: #F8FAFC; /* Off-white Slate */
    --card-bg: #FFFFFF; /* Pure White */
    
    --primary: #2563EB; /* Vibrant Blue */
    --primary-rgb: 37, 99, 235;
    --secondary: #0891B2; /* Deep Cyan */
    --accent-purple: #7C3AED; /* Deep Purple */
    
    --text-primary: #0F172A; /* Deep Slate */
    --text-secondary: #475569; /* Slate Gray */
    --text-light: #94A3B8; /* Light Slate */
    
    --glass-border: rgba(15, 23, 42, 0.08); /* Darker subtle border */
    --glass-shadow: 0 4px 20px 0 rgba(15, 23, 42, 0.05); /* Softer drop shadow */
    --hover-shadow: 0 8px 30px rgba(37, 99, 235, 0.15); /* Blue subtle glow */
}

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

body {
    font-family: var(--font-body);
    background: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
    transition: background-color 0.5s ease, color 0.5s ease; /* Catchy Theme Toggle Transition */
}

/* Animations */
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-in-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Base structural classes */
.section-padding {
    padding: 6rem 2rem;
    max-width: 1280px;
    margin: 0 auto;
}

.bg-alt {
    background: var(--card-bg); /* Dark Slate alternate band */
    padding-left: 5%;
    padding-right: 5%;
}

.section-title {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 3rem;
    text-align: center;
    color: var(--text-primary);
    transition: color 0.5s ease;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    margin: 1rem auto 0;
    border-radius: 4px;
}

/* Redefining Particle Canvas to match Neon Dark Theme */
#particle-canvas-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
    opacity: 0.6;
}

.text-gradient {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 1.25rem 0;
    background: rgba(11, 15, 25, 0.7); /* Deep Midnight Blue glass */
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--glass-border);
    z-index: 1000;
    transition: background-color 0.5s ease, border-color 0.5s ease;
}

.nav-content {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    color: var(--text-primary);
}

.logo span {
    color: var(--primary);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 1.5rem;
    align-items: center;
    position: relative;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-secondary);
    font-family: var(--font-heading);
    font-weight: 500;
    font-size: 0.9rem;
    transition: color 0.3s ease;
    position: relative;
    padding-bottom: 4px;
}

/* Hover underline: expands from center */
.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--primary);
    border-radius: 2px;
    transition: width 0.3s ease;
}

.nav-links a:hover {
    color: var(--primary);
}

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

.btn-primary, .btn-primary-outline, .btn-secondary, .btn-primary-small {
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    font-family: var(--font-heading);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.btn-primary-small {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

.btn-primary, .btn-primary-small {
    background: var(--primary);
    color: white !important;
    box-shadow: 0 4px 14px rgba(59, 130, 246, 0.4); /* Electric Blue Glow */
    border: none;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.btn-primary:hover, .btn-primary-small:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.6), 0 0 15px rgba(6, 182, 212, 0.4); /* Add cyan neon glow */
}

.btn-primary-outline {
    background: transparent;
    color: var(--primary) !important;
    border: 2px solid var(--primary);
    padding: 0.6rem 1.25rem;
}

.btn-primary-outline:hover {
    background: var(--primary);
    color: white !important;
    transform: translateY(-2px);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05); /* Ghost/Glass button */
    color: var(--text-primary) !important;
    box-shadow: var(--glass-shadow);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(4px);
    transition: var(--transition), background-color 0.5s ease, color 0.5s ease, border-color 0.5s ease;
}

.btn-secondary:hover {
    transform: translateY(-2px);
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.15);
}

/* --- Theme Toggle Button --- */
.theme-btn {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--glass-border);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 1.2rem;
    transition: var(--transition), color 0.5s ease, border-color 0.5s ease;
    backdrop-filter: blur(4px);
    margin-left: 10px;
}

.theme-btn:hover {
    color: var(--primary);
    border-color: var(--primary);
    box-shadow: 0 0 15px rgba(59, 130, 246, 0.3);
    transform: scale(1.1) rotate(15deg);
}

.theme-btn i {
    pointer-events: none; /* Crucial: prevent icon from stealing clicks */
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.hero {
    min-height: 100vh;
    max-width: 1280px;
    margin: 0 auto;
    padding: 8rem 2rem 4rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.badge {
    background: rgba(16, 185, 129, 0.1); /* Emerald tint */
    color: var(--secondary);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
    font-family: var(--font-heading);
    display: inline-block;
    margin-bottom: 1.5rem;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: 4.5rem; /* Increased size to match oversized request */
    line-height: 1.05;
    font-weight: 800;
    margin-bottom: 1.5rem;
    letter-spacing: -2px;
    color: var(--text-primary);
    text-transform: uppercase; /* Force oversized bold tech look */
    text-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    max-width: 90%;
}

.hero-cta {
    display: flex;
    gap: 1rem;
}

/* --- Phase 2: Isometric 3D Hero Visual --- */
.hero-visual {
    position: relative;
    height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.isometric-container {
    perspective: 1200px;
    transform-style: preserve-3d;
}

.isometric-grid {
    position: relative;
    width: 400px;
    height: 400px;
    transform: rotateX(60deg) rotateZ(-45deg);
    transform-style: preserve-3d;
    transition: transform 0.8s ease;
}

.iso-card {
    position: absolute;
    background: var(--card-bg);
    border-radius: var(--border-radius);
    box-shadow: var(--glass-shadow);
    padding: 1.5rem;
    transition: var(--transition);
    transform-style: preserve-3d;
}

/* The primary centered card */
.card-main {
    width: 300px;
    height: 240px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) translateZ(40px);
    box-shadow: var(--hover-shadow);
    display: flex;
    flex-direction: column;
}

/* Floating miniature stat cards */
.card-float-1 {
    width: max-content;
    min-width: 180px;
    top: 10%;
    right: -10%;
    transform: translateZ(80px);
    animation: isoFloat 6s ease-in-out infinite;
    padding: 1rem 1.5rem;
}

.card-float-2 {
    width: max-content;
    min-width: 180px;
    bottom: 5%;
    left: -15%;
    transform: translateZ(100px);
    animation: isoFloat 5s ease-in-out infinite alternate;
    padding: 1rem 1.5rem;
}

@keyframes isoFloat {
    0% { transform: translateZ(80px); }
    50% { transform: translateZ(100px); box-shadow: 0 30px 60px -15px rgba(15, 23, 42, 0.1); }
    100% { transform: translateZ(80px); }
}

/* Inner Isometric Card Details */
.iso-header {
    display: flex;
    gap: 6px;
    margin-bottom: 1.5rem;
}

.iso-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}
.iso-dot.red { background: #F87171; }
.iso-dot.yellow { background: #FBBF24; }
.iso-dot.green { background: #34D399; }

.iso-title {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
}

.iso-keywords {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.iso-tag {
    background: rgba(37, 99, 235, 0.08); /* Light primary */
    color: var(--primary);
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.3rem 0.6rem;
    border-radius: 4px;
    letter-spacing: 0.02em;
    font-family: var(--font-mono);
}

.iso-chart {
    display: flex;
    align-items: flex-end;
    gap: 12px;
    height: 80px;
    margin-top: auto;
}

.iso-chart .bar {
    flex: 1;
    background: #E2E8F0;
    border-radius: 4px 4px 0 0;
    transition: background 0.3s ease;
}

.iso-chart .bar.active {
    background: linear-gradient(180deg, var(--primary), var(--secondary));
}

.iso-stat {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 1rem;
}

.iso-number {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
}

.iso-label {
    font-size: 0.9rem;
    font-weight: 600;
    line-height: 1.3;
    color: var(--text-secondary);
    text-align: left;
}

/* Ensure no leftover stat classes break layout */

@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-15px); }
    100% { transform: translateY(0px); }
}

@media (max-width: 1024px) {
    .nav-links {
        display: none; /* In a real build, we'd add a hamburger menu here */
    }
}

@media (max-width: 968px) {
    .hero {
        grid-template-columns: 1fr;
        text-align: center;
        padding-top: 8rem;
    }
    .hero-subtitle {
        margin: 0 auto 2.5rem;
    }
    .hero-cta {
        justify-content: center;
    }
    .hero-title {
        font-size: 3rem;
    }
    .hero-visual {
        height: 400px;
    }
    .stat-card {
        animation: none;
    }
}

/* About Section (Command Center Profile) */
.about-dashboard-grid {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
    align-items: stretch;
}

/* Left: Biometric Identity Card */
.about-biometric-card {
    background: rgba(17, 24, 39, 0.6); /* Dark Slate Glass */
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: var(--border-radius);
    padding: 3rem 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    box-shadow: var(--glass-shadow);
    position: relative;
    overflow: hidden;
}

/* Mock subtle scanner line animation across the biometric card */
.biometric-scanner {
    position: absolute;
    top: -100%;
    left: 0;
    width: 100%;
    height: 10px;
    background: linear-gradient(to bottom, transparent, rgba(6, 182, 212, 0.4), transparent);
    animation: scanSweep 6s linear infinite;
    pointer-events: none;
}

@keyframes scanSweep {
    0% { top: -100%; }
    50% { top: 200%; }
    100% { top: -100%; }
}

.biometric-image {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: rgba(11, 15, 25, 0.8);
    border: 2px solid rgba(6, 182, 212, 0.5); /* Neon Cyan border */
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 2rem;
    box-shadow: 0 0 20px rgba(6, 182, 212, 0.2);
}

.glow-icon {
    font-size: 3rem;
    color: var(--secondary);
    filter: drop-shadow(0 0 8px rgba(6, 182, 212, 0.8));
}

.biometric-data h4 {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    letter-spacing: 0.5px;
}

.crypto-text {
    font-family: var(--font-mono);
    color: var(--text-secondary);
    font-size: 0.85rem;
    letter-spacing: 1px;
    margin-bottom: 1.5rem;
}

.status-indicator {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: #34D399; /* Emerald Online Green */
    background: rgba(52, 211, 153, 0.1);
    padding: 6px 12px;
    border-radius: 20px;
    border: 1px solid rgba(52, 211, 153, 0.2);
}

.pulse-dot {
    width: 8px;
    height: 8px;
    background: #34D399;
    border-radius: 50%;
    box-shadow: 0 0 8px #34D399;
    animation: pulseGlow 2s infinite;
}

@keyframes pulseGlow {
    0% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.2); }
    100% { opacity: 1; transform: scale(1); }
}

/* Right: Stats Panel */
.about-stats-panel {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.about-intro-text p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.neon-stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-top: 2rem;
}

.neon-stat-card {
    background: rgba(17, 24, 39, 0.4);
    border: 1px solid var(--glass-border);
    padding: 2rem;
    border-radius: var(--border-radius);
    text-align: left;
    position: relative;
    overflow: hidden;
    transition: var(--transition);
}

.neon-stat-card:hover {
    background: rgba(17, 24, 39, 0.8);
    border-color: rgba(6, 182, 212, 0.3);
    box-shadow: 0 0 20px rgba(6, 182, 212, 0.1);
}

.branch-icon {
    font-size: 1.5rem;
    color: var(--primary);
    margin-bottom: 1rem;
    opacity: 0.8;
}

.neon-number {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
    text-shadow: 0 2px 10px rgba(255, 255, 255, 0.2);
}

.neon-label {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-light);
    letter-spacing: 1px;
}


.about-highlights {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    background: #FFFFFF;
    padding: 2.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--glass-shadow);
    border: 1px solid rgba(15, 23, 42, 0.04);
}

.highlight-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-family: var(--font-heading);
    font-weight: 500;
    color: var(--text-primary);
}

.highlight-item i {
    color: var(--primary);
    font-size: 1.5rem;
    width: 30px;
    text-align: center;
}

/* --- 6. GitHub Integration (Mock Heatmap) --- */
.github-container {
    background: rgba(11, 15, 25, 0.6);
    padding: 3rem;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--glass-shadow);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    display: flex;
    flex-direction: column;
    align-items: center;
    max-width: 900px;
    margin: 0 auto;
}

.github-header {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.github-stats {
    display: flex;
    gap: 2rem;
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-value {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    text-shadow: 0 0 10px rgba(59, 130, 246, 0.3);
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.heatmap-wrapper {
    width: 100%;
    overflow-x: auto; /* Allow scrolling on small screens */
    padding-bottom: 1rem;
}

.heatmap-grid {
    display: grid;
    grid-template-rows: repeat(7, 1fr);
    grid-auto-flow: column;
    gap: 4px;
    width: max-content;
    margin: 0 auto;
}

.contribution-sq {
    width: 12px;
    height: 12px;
    border-radius: 2px;
    background-color: rgba(255, 255, 255, 0.03); /* Empty state */
    transition: all 0.2s ease;
}

.contribution-sq:hover {
    transform: scale(1.2);
    z-index: 10;
    box-shadow: 0 0 5px rgba(255, 255, 255, 0.5);
}

/* Heatmap Levels (Dark to Neon) */
.contribution-sq.level-0 { background-color: rgba(255, 255, 255, 0.03); }
.contribution-sq.level-1 { background-color: rgba(6, 182, 212, 0.2); }
.contribution-sq.level-2 { background-color: rgba(6, 182, 212, 0.5); }
.contribution-sq.level-3 { background-color: rgba(6, 182, 212, 0.8); }
.contribution-sq.level-4 { 
    background-color: var(--secondary); 
    box-shadow: 0 0 8px var(--secondary-glow);
}

.heatmap-legend {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 0.5rem;
    margin-top: 1rem;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.legend-squares {
    display: flex;
    gap: 4px;
}

/* Timeline Experience */
.timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    width: 2px;
    background: rgba(6, 182, 212, 0.2); /* Neon Cyan subtle line */
    top: 0;
    bottom: 0;
    left: 20px;
}

.timeline-item {
    position: relative;
    margin-bottom: 3rem;
    padding-left: 60px;
}

.timeline-dot {
    position: absolute;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--secondary); /* Neon Cyan */
    left: 13px;
    top: 24px;
    border: 4px solid var(--bg-color);
    box-shadow: 0 0 10px rgba(6, 182, 212, 0.6); /* Glowing dot */
}

.timeline-content {
    background: rgba(17, 24, 39, 0.6); /* Dark Slate Glass */
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: var(--border-radius);
    padding: 2.5rem;
    box-shadow: var(--glass-shadow);
    transition: var(--transition);
}

.timeline-content:hover {
    box-shadow: 0 0 20px rgba(59, 130, 246, 0.15);
    border-color: rgba(59, 130, 246, 0.3);
    transform: translateY(-4px);
}

.timeline-content h3 {
    font-family: var(--font-heading);
    color: var(--text-primary);
    margin-bottom: 0.25rem;
    font-size: 1.3rem;
}

.timeline-content h4 {
    font-weight: 500;
    color: var(--primary); /* Electric Blue company names */
    margin-bottom: 0.5rem;
}

.exp-meta {
    font-size: 0.875rem;
    color: var(--text-light);
    margin-bottom: 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.exp-duties {
    list-style-position: inside;
    color: var(--text-secondary);
}

.exp-duties li {
    margin-bottom: 0.5rem;
}

.exp-duties li strong {
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: 0.85rem;
    background: rgba(255, 255, 255, 0.05);
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    display: inline-block;
    margin-top: 0.5rem;
}

/* --- Intelligence Dashboard Layout (Dark Mode SaaS) --- */
.skills-header-new {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 3rem;
    margin-top: 1rem;
}

.skills-header-line {
    height: 1px;
    background: rgba(255, 255, 255, 0.1);
    flex-grow: 1;
    max-width: 100px;
}

.skills-subtitle {
    text-align: center;
    color: var(--text-secondary);
    font-size: 1.1rem;
    font-weight: 500;
    letter-spacing: 2px;
}

.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    position: relative;
    z-index: 2;
}

.dashboard-category {
    background: rgba(11, 15, 25, 0.6);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-lg);
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    box-shadow: var(--glass-shadow);
}

.category-title {
    font-family: var(--font-heading);
    color: var(--text-primary);
    font-size: 1.1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    padding-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    letter-spacing: 1px;
}

.category-title i {
    color: var(--secondary);
}

.dashboard-card {
    background: rgba(17, 24, 39, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.03);
    border-radius: 8px;
    padding: 1.25rem;
    transition: var(--transition);
    cursor: default;
}

.dashboard-card:hover {
    border-color: rgba(59, 130, 246, 0.3);
    box-shadow: 0 0 15px rgba(59, 130, 246, 0.1);
    transform: translateX(4px);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
}

.card-header .dev-icon {
    font-size: 1.5rem;
    color: var(--primary);
    background: rgba(59, 130, 246, 0.1);
    padding: 0.5rem;
    border-radius: 6px;
}

.skill-name {
    font-family: var(--font-heading);
    font-weight: 600;
    color: var(--text-primary);
    flex-grow: 1;
    margin-left: 1rem;
}

.skill-percent {
    font-family: var(--font-mono);
    color: var(--secondary);
    font-size: 0.85rem;
    font-weight: 700;
}

.neon-progress-bar {
    width: 100%;
    height: 6px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 4px;
    overflow: hidden;
}

.neon-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    border-radius: 4px;
    box-shadow: 0 0 10px var(--primary);
    position: relative;
    /* Animate on load */
    animation: fillBar 1.5s ease-out forwards;
    transform-origin: left;
}

@keyframes fillBar {
    from { transform: scaleX(0); }
    to { transform: scaleX(1); }
}

@media (max-width: 1024px) {
    .dashboard-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

/* --- Projects Section & Filters --- */
.project-filter-container {
    display: flex;
    justify-content: center;
    margin-bottom: 3rem;
}

.filter-group {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    padding: 0.5rem;
    background: rgba(11, 15, 25, 0.4);
    border: 1px solid var(--glass-border);
    border-radius: 50px;
    backdrop-filter: blur(10px);
}

.filter-btn {
    padding: 0.6rem 1.5rem;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    font-family: var(--font-mono);
    font-size: 0.85rem;
    cursor: pointer;
    border-radius: 50px;
    transition: var(--transition);
}

.filter-btn:hover {
    color: var(--text-light);
}

.filter-btn.active {
    background: var(--primary);
    color: var(--text-light);
    box-shadow: 0 0 15px rgba(6, 182, 212, 0.4);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2.5rem;
    transition: all 0.5s ease;
}

.project-card {
    background: rgba(11, 15, 25, 0.4);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--glass-shadow);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

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

.project-card:hover {
    transform: translateY(-8px);
    border-color: rgba(6, 182, 212, 0.4);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6), 0 0 20px rgba(6, 182, 212, 0.2);
}

.project-card-image {
    height: 200px;
    background: var(--glass-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.project-overlay {
    position: absolute;
    top: 1rem;
    left: 1rem;
}

.category-tag {
    background: rgba(6, 182, 212, 0.15);
    color: var(--primary);
    padding: 0.3rem 0.8rem;
    border-radius: 4px;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    border: 1px solid rgba(6, 182, 212, 0.3);
}

.project-card-content {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.project-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
    color: var(--text-light);
}

.project-card p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1.5rem;
    flex: 1;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

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

.btn-primary-small {
    padding: 0.5rem 1rem;
    background: rgba(6, 182, 212, 0.1);
    border: 1px solid var(--primary);
    color: var(--primary);
    border-radius: 4px;
    font-size: 0.85rem;
    text-decoration: none;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-primary-small:hover {
    background: var(--primary);
    color: var(--text-light);
}

.lab-card-content h3 {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
}

.lab-card-content p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.lab-tags {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    margin-top: auto;
    padding-top: 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.lab-tag {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-light);
    background: rgba(255, 255, 255, 0.03);
    padding: 0.3rem 0.6rem;
    border-radius: 4px;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    border: 1px solid transparent;
    transition: var(--transition);
}

.lab-card:hover .lab-tag {
    border-color: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
}




/* Resume Section */
.resume-container {
    max-width: 800px;
    margin: 0 auto;
}

.resume-preview {
    padding: 3rem;
    position: relative;
    overflow: hidden;
    background: #FFFFFF;
    border-radius: var(--border-radius);
    box-shadow: var(--glass-shadow);
    border: 1px solid rgba(15, 23, 42, 0.04);
}

.resume-preview::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 6px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
}

.resume-header {
    border-bottom: 2px solid var(--glass-border);
    padding-bottom: 1.5rem;
    margin-bottom: 1.5rem;
    text-align: center;
}

.resume-header h3 {
    font-family: var(--font-heading);
    font-size: 2rem;
    color: var(--text-primary);
}

.resume-header p {
    color: var(--primary);
    font-weight: 600;
    font-size: 1.1rem;
}

.resume-section {
    margin-bottom: 1.5rem;
}

.resume-section h4 {
    font-family: var(--font-mono);
    color: var(--text-secondary);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0.5rem;
}

.resume-section p {
    color: var(--text-primary);
    font-weight: 500;
}

.resume-footer {
    margin-top: 3rem;
    text-align: center;
}

/* Contact Section */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    max-width: 1000px;
    margin: 0 auto;
}

.contact-info h3 {
    font-family: var(--font-heading);
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.contact-info p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 2rem;
}

.social-links {
    display: flex;
    gap: 1.5rem;
}

.social-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: white;
    box-shadow: var(--glass-shadow);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    font-size: 1.5rem;
    transition: var(--transition);
    text-decoration: none;
}

.social-icon:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-5px);
}

.contact-form-container {
    background: rgba(11, 15, 25, 0.6);
    padding: 3rem;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--glass-shadow);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    letter-spacing: 0.5px;
}

.form-group input, .form-group textarea {
    padding: 1rem 1.25rem;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(17, 24, 39, 0.8);
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--text-primary);
    transition: var(--transition);
}

.form-group input::placeholder, .form-group textarea::placeholder {
    color: rgba(255, 255, 255, 0.3);
}

.form-group input:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 15px rgba(59, 130, 246, 0.2);
    background: rgba(17, 24, 39, 0.95);
}

@media (max-width: 768px) {
    .contact-grid {
        grid-template-columns: 1fr;
    }
}

/* ============================================================
   INTERACTION UPGRADES — Scroll Progress, Hamburger, Stagger,
   Expandable Cards, Lightbox, Featured Insight, Micro-Interactions
   ============================================================ */

/* --- Scroll Progress Bar --- */
.scroll-progress-bar {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    width: 0%;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    z-index: 9999;
    transition: width 0.1s linear;
    box-shadow: 0 0 8px rgba(37, 99, 235, 0.5);
}

/* --- Active Nav Link & Sliding Ink Bar --- */

/* The active link itself: just change colour, ink bar handles the underline */
.nav-links a.active-link {
    color: var(--primary);
    font-weight: 600;
}

/* Suppress the hover ::after on the active item (ink bar covers it) */
.nav-links a.active-link::after {
    width: 0;
}

/* The sliding ink bar — a single <span> injected once by JS */
#nav-ink {
    position: absolute;
    bottom: -2px;
    left: 0;
    height: 3px;
    width: 0;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    border-radius: 3px;
    box-shadow: 0 0 8px rgba(37, 99, 235, 0.35);
    transition: left 0.4s cubic-bezier(0.4, 0, 0.2, 1),
                width 0.4s cubic-bezier(0.4, 0, 0.2, 1),
                opacity 0.3s ease;
    pointer-events: none;
    opacity: 0;
}

#nav-ink.visible {
    opacity: 1;
}

/* --- Hamburger Menu --- */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 1100;
}

.hamburger-line {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition);
    transform-origin: center;
}

.hamburger.active .hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active .hamburger-line:nth-child(2) {
    opacity: 0;
}

.hamburger.active .hamburger-line:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

.mobile-nav-overlay {
    display: none;
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(15, 23, 42, 0.5);
    backdrop-filter: blur(4px);
    z-index: 999;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.mobile-nav-overlay.active {
    display: block;
    opacity: 1;
}

@media (max-width: 1024px) {
    .hamburger {
        display: flex;
    }

    .nav-links {
        display: none;
        position: fixed;
        top: 0;
        right: 0;
        width: 280px;
        height: 100vh;
        background: rgba(248, 250, 252, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 6rem 2rem 2rem;
        gap: 0.5rem;
        z-index: 1050;
        box-shadow: -10px 0 40px rgba(0,0,0,0.1);
        border-left: 1px solid var(--glass-border);
    }

    .nav-links.mobile-open {
        display: flex;
        animation: slideInRight 0.3s ease-out;
    }

    .nav-links li {
        width: 100%;
    }

    .nav-links a {
        display: block;
        padding: 1rem;
        border-radius: 8px;
        font-size: 1rem;
    }

    .nav-links a:hover, .nav-links a.active-link {
        background: rgba(37, 99, 235, 0.08);
    }
}

@keyframes slideInRight {
    from { transform: translateX(100%); }
    to { transform: translateX(0); }
}

/* --- Stagger Reveal Animations (Hero) --- */
.stagger {
    opacity: 0;
    transform: translateY(25px);
    transition: opacity 0.7s ease-out, transform 0.7s ease-out;
}

.stagger.visible {
    opacity: 1;
    transform: translateY(0);
}

.stagger-1 { transition-delay: 0.1s; }
.stagger-2 { transition-delay: 0.25s; }
.stagger-3 { transition-delay: 0.4s; }
.stagger-4 { transition-delay: 0.55s; }
.stagger-5 { transition-delay: 0.7s; }
.stagger-6 { transition-delay: 0.85s; }
.stagger-7 { transition-delay: 1.0s; }

/* --- Animated Skill Bars (scroll-triggered) --- */
.skill-fill {
    width: 0 !important;
    transition: width 1.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- Expandable Project Cards --- */
.project-card {
    position: relative;
}

.project-detail {
    display: none;
    position: fixed;
    top: 0; left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(15, 23, 42, 0.85);
    backdrop-filter: blur(12px);
    z-index: 2000;
    padding: 2rem;
    overflow-y: auto;
    animation: fadeInScale 0.35s ease-out;
}

.project-detail.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.project-detail > .detail-header,
.project-detail > .detail-tabs,
.project-detail > .detail-content {
    /* These children need a wrapper — handled via JS creating an inner panel */
}

/* Expandable inner panel */
.detail-panel {
    background: white;
    border-radius: var(--border-radius-lg);
    max-width: 720px;
    width: 100%;
    padding: 2.5rem;
    box-shadow: 0 25px 50px rgba(0,0,0,0.25);
    animation: fadeInScale 0.35s ease-out;
    max-height: 85vh;
    overflow-y: auto;
}

.detail-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid rgba(37, 99, 235, 0.1);
}

.detail-header h3 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    color: var(--text-primary);
}

.detail-close-btn {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-light);
    cursor: pointer;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.detail-close-btn:hover {
    background: rgba(0,0,0,0.05);
    color: var(--text-primary);
}

.detail-tabs {
    display: flex;
    gap: 0;
    margin-bottom: 1.5rem;
    border-bottom: 2px solid rgba(0,0,0,0.05);
}

.detail-tab {
    background: none;
    border: none;
    padding: 0.75rem 1.25rem;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-light);
    cursor: pointer;
    position: relative;
    transition: var(--transition);
}

.detail-tab.active {
    color: var(--primary);
}

.detail-tab.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--primary);
    border-radius: 2px;
}

.detail-tab:hover {
    color: var(--text-primary);
}

.tab-panel {
    display: none;
}

.tab-panel.active {
    display: block;
    animation: fadeIn 0.3s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.tab-panel p {
    color: var(--text-secondary);
    line-height: 1.8;
    font-size: 1rem;
}

.detail-meta {
    display: flex;
    gap: 1.5rem;
    margin-top: 1.5rem;
    flex-wrap: wrap;
}

.detail-meta span {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--text-secondary);
    background: rgba(37, 99, 235, 0.06);
    padding: 0.4rem 0.8rem;
    border-radius: 6px;
}

.detail-meta span i {
    color: var(--primary);
}

/* --- Dashboard Lightbox --- */
.lightbox-overlay {
    display: none;
    position: fixed;
    top: 0; left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(8px);
    z-index: 3000;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.lightbox-overlay.active {
    display: flex;
    animation: fadeIn 0.3s ease-out;
}

.lightbox-content {
    max-width: 900px;
    width: 100%;
    padding: 0;
    position: relative;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    background: #FFFFFF;
    box-shadow: var(--hover-shadow);
    border: 1px solid rgba(15, 23, 42, 0.04);
}

.lightbox-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: rgba(255,255,255,0.9);
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    cursor: pointer;
    z-index: 10;
    transition: var(--transition);
    color: var(--text-primary);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.lightbox-close:hover {
    background: white;
    transform: scale(1.1);
}

.lightbox-body {
    min-height: 400px;
}

.lightbox-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 400px;
    background: linear-gradient(135deg, #1E293B, #0F172A);
    color: white;
    text-align: center;
    padding: 3rem;
    gap: 1rem;
}

.lightbox-placeholder i {
    font-size: 4rem;
    color: var(--accent);
    opacity: 0.5;
}

.lightbox-placeholder h3 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
}

.lightbox-placeholder p {
    color: var(--text-light);
    max-width: 400px;
}

/* --- Featured Insight Section --- */
.insight-showcase {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 4rem;
    align-items: center;
    max-width: 1100px;
    margin: 0 auto;
}

.insight-visual {
    position: relative;
    background: #FFFFFF;
    border-radius: var(--border-radius-lg);
    padding: 2rem;
    box-shadow: var(--glass-shadow);
    border: 1px solid rgba(15, 23, 42, 0.04);
}

.insight-chart {
    width: 100%;
    height: auto;
}

/* Animated chart line drawing */
.chart-line {
    stroke-dasharray: 800;
    stroke-dashoffset: 800;
    transition: stroke-dashoffset 2s ease-out;
}

.chart-area {
    opacity: 0;
    transition: opacity 1.5s ease-out 0.5s;
}

.chart-dot {
    opacity: 0;
    transform-origin: center;
    transition: opacity 0.4s ease-out;
}

/* When visible, animate the chart */
.insight-visual.chart-animated .chart-line {
    stroke-dashoffset: 0;
}

.insight-visual.chart-animated .chart-area {
    opacity: 1;
}

.insight-visual.chart-animated .chart-dot {
    opacity: 1;
    animation: dotPop 0.5s ease-out forwards;
}

.insight-visual.chart-animated .chart-dot:nth-child(4) { animation-delay: 0.8s; }
.insight-visual.chart-animated .chart-dot:nth-child(5) { animation-delay: 1.2s; }
.insight-visual.chart-animated .chart-dot:nth-child(6) { animation-delay: 1.5s; }
.insight-visual.chart-animated .chart-dot:nth-child(7) { animation-delay: 1.8s; }

@keyframes dotPop {
    0% { opacity: 0; r: 0; }
    50% { r: 6; }
    100% { opacity: 1; r: 4; }
}

.insight-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(37, 99, 235, 0.08);
    color: var(--primary);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.85rem;
    margin-bottom: 1.25rem;
}

.insight-content h3 {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    color: var(--text-primary);
    margin-bottom: 1rem;
    line-height: 1.3;
}

.insight-content p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 2rem;
}

.insight-stats {
    display: flex;
    gap: 2rem;
}

.insight-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.insight-stat-value {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary);
}

.insight-stat-label {
    font-size: 0.8rem;
    color: var(--text-light);
    font-weight: 600;
    font-family: var(--font-heading);
    text-align: center;
}

/* --- Timeline Dot Pulse Animation --- */
.timeline-item.visible .timeline-dot {
    animation: timelinePulse 1.5s ease-out;
}

@keyframes timelinePulse {
    0% {
        box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.2);
    }
    50% {
        box-shadow: 0 0 0 12px rgba(16, 185, 129, 0);
    }
    100% {
        box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.2);
    }
}

/* --- Button Ripple Effect --- */
.btn-ripple {
    position: relative;
    overflow: hidden;
}

.btn-ripple::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    background: radial-gradient(circle, rgba(255,255,255,0.3) 0%, transparent 60%);
    transform: scale(0);
    opacity: 0;
    transition: transform 0.5s ease, opacity 0.3s ease;
}

.btn-ripple:active::after {
    transform: scale(2.5);
    opacity: 1;
    transition: transform 0s, opacity 0s;
}

/* --- Enhanced Form Focus --- */
.form-group input, .form-group textarea {
    transition: var(--transition), box-shadow 0.3s ease;
}

.form-group input:focus, .form-group textarea:focus {
    transform: translateY(-1px);
}

/* --- Mobile Responsive Upgrades --- */
@media (max-width: 768px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .insight-showcase {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .insight-stats {
        justify-content: center;
    }

    .dashboards-grid {
        grid-template-columns: 1fr;
    }

    .projects-grid {
        grid-template-columns: 1fr;
    }

    .skills-grid {
        grid-template-columns: 1fr;
    }

    .detail-panel {
        padding: 1.5rem;
        max-height: 90vh;
    }

    .detail-meta {
        flex-direction: column;
        gap: 0.75rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2.25rem;
    }

    .section-title {
        font-size: 1.75rem;
    }

    .insight-content h3 {
        font-size: 1.35rem;
    }

    .insight-stats {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }
}

/* --- Contact Form Status Messages --- */
.form-status {
    text-align: center;
    padding: 0;
    margin-top: 0;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.9rem;
    border-radius: 8px;
    transition: all 0.3s ease;
    overflow: hidden;
    max-height: 0;
}

.form-status.visible {
    padding: 0.75rem 1rem;
    margin-top: 1rem;
    max-height: 80px;
}

.form-status.success {
    background: rgba(16, 185, 129, 0.1);
    color: #059669;
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.form-status.error {
    background: rgba(239, 68, 68, 0.1);
    color: #DC2626;
    border: 1px solid rgba(239, 68, 68, 0.2);
}

#contact-submit-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* ==========================================================================
   NEXT-GEN INTERACTIVITY (CUSTOM CURSOR & GLOW)
   ========================================================================== */

/* Only apply custom cursor on fine-pointer devices (like desktops) */
@media (hover: hover) and (pointer: fine) {
    body {
        cursor: none; /* Hide default cursor */
    }

    a, button, input, textarea, .project-card, .dashboard-tile, .filter-btn {
        cursor: none;
    }

    .cursor-dot,
    .cursor-outline {
        position: fixed;
        top: 0;
        left: 0;
        transform: translate(-50%, -50%);
        border-radius: 50%;
        z-index: 9999;
        pointer-events: none;
    }

    .cursor-dot {
        width: 8px;
        height: 8px;
        background-color: var(--primary);
        box-shadow: 0 0 10px var(--primary);
    }

    .cursor-outline {
        width: 40px;
        height: 40px;
        border: 2px solid rgba(37, 99, 235, 0.4);
        transition: width 0.2s ease-out, height 0.2s ease-out, background-color 0.2s ease-out, border 0.2s ease-out;
    }

    /* Hover states mapped via JS 'hover-active' class on outline */
    .cursor-outline.hover-active {
        width: 60px;
        height: 60px;
        background-color: rgba(37, 99, 235, 0.1);
        border-color: rgba(37, 99, 235, 0);
    }
}

/* Dynamic Background Glow Orb */
.bg-glow-orb {
    position: fixed;
    top: 0;
    left: 0;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.08) 0%, rgba(37, 99, 235, 0) 70%);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    pointer-events: none;
    z-index: -2; /* Ensure it stays behind textual content */
    filter: blur(40px);
    transition: opacity 0.5s;
}

@media (max-width: 1024px) {
    .bg-glow-orb, .cursor-dot, .cursor-outline {
        display: none; /* Disable cursor FX on tablets and mobile */
    }
    body, a, button, input, textarea {
        cursor: auto;
    }
}

/* ==========================================================================
   PROJECT MODAL (LIGHTBOX) STYLES
   ========================================================================== */
.project-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(11, 15, 25, 0.85);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    display: none; /* Hidden by default */
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    transition: opacity 0.4s ease;
    padding: 2rem;
}

.project-modal-overlay.active {
    display: flex;
    opacity: 1;
}

.project-modal-content {
    background: var(--card-bg);
    max-width: 800px;
    width: 100%;
    max-height: 90vh;
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--glass-border);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    position: relative;
    overflow-y: auto;
    transform: translateY(20px) scale(0.95);
    transition: transform 0.4s cubic-bezier(0.18, 0.89, 0.32, 1.28);
    display: flex;
    flex-direction: column;
}

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

.close-modal {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    color: var(--text-secondary);
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    z-index: 10;
}

.close-modal:hover {
    background: rgba(239, 68, 68, 0.1);
    color: #EF4444;
    border-color: rgba(239, 68, 68, 0.2);
    transform: rotate(90deg);
}

.project-modal-header {
    padding: 3rem 3rem 1.5rem;
}

.project-modal-header h2 {
    font-family: var(--font-heading);
    font-size: 2.25rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 1rem;
    letter-spacing: -1px;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.project-modal-tabs {
    display: flex;
    gap: 2rem;
    padding: 0 3rem;
    border-bottom: 1px solid var(--glass-border);
}

.modal-tab {
    background: none;
    border: none;
    color: var(--text-secondary);
    padding: 1rem 0;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    position: relative;
    transition: var(--transition);
}

.modal-tab:hover {
    color: var(--text-primary);
}

.modal-tab.active {
    color: var(--primary);
}

.modal-tab.active::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--primary);
    box-shadow: 0 0 10px var(--primary);
}

.project-modal-body {
    padding: 2.5rem 3rem;
    flex-grow: 1;
}

.modal-pane {
    display: none;
    animation: fadeIn 0.4s ease forwards;
}

.modal-pane.active {
    display: block;
}

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

.modal-pane p {
    color: var(--text-secondary);
    line-height: 1.8;
    font-size: 1.05rem;
    margin-bottom: 1.5rem;
}

.bullet-list {
    list-style: none;
    padding: 0;
}

.bullet-list li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.bullet-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: bold;
}

.insight-highlight-box {
    background: rgba(59, 130, 246, 0.05);
    border-left: 4px solid var(--primary);
    padding: 1.5rem;
    border-radius: 4px 8px 8px 4px;
    margin-top: 1.5rem;
}

.insight-highlight-box strong {
    color: var(--primary);
    display: block;
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 1px;
}

.project-modal-footer {
    padding: 2rem 3rem 3rem;
    display: flex;
    justify-content: flex-end;
}

@media (max-width: 640px) {
    .project-modal-header h2 { font-size: 1.75rem; }
    .project-modal-tabs { gap: 1rem; padding: 0 1.5rem; }
    .project-modal-body, .project-modal-header, .project-modal-footer { padding: 1.5rem; }
    .project-modal-content { max-height: 95vh; }
}