/* === CSS CUSTOM PROPERTIES & RESET === */
:root {
    /* Color System */
    --primary: #00ff88;
    --primary-dim: rgba(0, 255, 136, 0.6);
    --primary-ultra-dim: rgba(0, 255, 136, 0.1);
    --secondary: #0099ff;
    --secondary-dim: rgba(0, 153, 255, 0.6);
    --accent: #ff6b6b;
    --warning: #ffd93d;
    --error: #ff4757;
    --success: #2ed573;
    
    /* Dark Theme (default) */
    --bg-primary: #0a0a0a;
    --bg-secondary: #111111;
    --bg-tertiary: #1a1a1a;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --text-tertiary: #666666;
    
    /* Typography */
    --font-system: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, 'Courier New', monospace;
    
    /* Spacing (8px system) */
    --space-1: 0.5rem;
    --space-2: 1rem;
    --space-3: 1.5rem;
    --space-4: 2rem;
    --space-6: 3rem;
    --space-8: 4rem;
    --space-12: 6rem;
    --space-16: 8rem;
    
    /* Animations */
    --ease-out-cubic: cubic-bezier(0.33, 1, 0.68, 1);
    --ease-in-out-cubic: cubic-bezier(0.65, 0, 0.35, 1);
    --transition-fast: 0.15s var(--ease-out-cubic);
    --transition-medium: 0.3s var(--ease-out-cubic);
    --transition-slow: 0.6s var(--ease-in-out-cubic);
    
    /* Layout */
    --container-max: 1200px;
    --border-radius: 16px;
    --border-radius-sm: 8px;
    --border-radius-lg: 24px;
    
    /* Glass morphism */
    --glass-blur: blur(20px);
    --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

/* Light theme */
@media (prefers-color-scheme: light) {
    :root:not([data-theme="dark"]) {
        --bg-primary: #ffffff;
        --bg-secondary: #f8f9fa;
        --bg-tertiary: #e9ecef;
        --glass-bg: rgba(0, 0, 0, 0.05);
        --glass-border: rgba(0, 0, 0, 0.1);
        --text-primary: #212529;
        --text-secondary: #495057;
        --text-tertiary: #868e96;
    }
}

[data-theme="light"] {
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-tertiary: #e9ecef;
    --glass-bg: rgba(0, 0, 0, 0.05);
    --glass-border: rgba(0, 0, 0, 0.1);
    --text-primary: #212529;
    --text-secondary: #495057;
    --text-tertiary: #868e96;
}

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

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

@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
}

body {
    font-family: var(--font-system);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    cursor: none;
}
h2 {
    text-align: center;
}
/* Custom cursor */
.cursor {
    position: fixed;
    top: 0;
    left: 0;
    width: 20px;
    height: 20px;
    background: var(--primary);
    border-radius: 50%;
    pointer-events: none;
    z-index: 10000;
    transition: transform var(--transition-fast);
    will-change: transform;
}

.cursor-follower {
    position: fixed;
    top: 0;
    left: 0;
    width: 40px;
    height: 40px;
    border: 1px solid var(--primary-dim);
    border-radius: 50%;
    pointer-events: none;
    z-index: 9999;
    transition: transform 0.2s var(--ease-out-cubic);
    will-change: transform;
}

/* Typography Scale */
.text-xs { font-size: clamp(0.75rem, 0.7rem + 0.2vw, 0.8rem); }
.text-sm { font-size: clamp(0.875rem, 0.8rem + 0.3vw, 0.95rem); }
.text-base { font-size: clamp(1rem, 0.9rem + 0.4vw, 1.1rem); }
.text-lg { font-size: clamp(1.125rem, 1rem + 0.5vw, 1.3rem); }
.text-xl { font-size: clamp(1.25rem, 1.1rem + 0.6vw, 1.5rem); }
.text-2xl { font-size: clamp(1.5rem, 1.3rem + 0.8vw, 2rem); }
.text-3xl { font-size: clamp(1.875rem, 1.6rem + 1vw, 2.5rem); }
.text-4xl { font-size: clamp(2.25rem, 2rem + 1.2vw, 3rem); }
.text-5xl { font-size: clamp(3rem, 2.5rem + 2vw, 4rem); }
.text-6xl { font-size: clamp(3.75rem, 3rem + 3vw, 5rem); }

h1, h2, h3, h4, h5, h6 {
    line-height: 1.2;
    font-weight: 600;
}

/* Enhanced Section Headers */
.section-header {
    position: relative;
    display: inline-block;
    margin-bottom: clamp(3rem, 6vw, 5rem);
}

.section-header::before {
    content: '';
    position: absolute;
    top: 50%;
    left: -50px;
    width: 40px;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), transparent);
    transform: translateY(-50%);
}

.section-header::after {
    content: '';
    position: absolute;
    top: 50%;
    right: -50px;
    width: 40px;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--primary));
    transform: translateY(-50%);
}

.section-header h2 {
    position: relative;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    padding: 0 1rem;
    font-weight: 700;
    letter-spacing: -0.025em;
}

/* Floating particles for section headers */
.section-header .particles {
    position: absolute;
    width: 100%;
    height: 100%;
    pointer-events: none;
    overflow: hidden;
}

.section-header .particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--primary);
    border-radius: 50%;
    opacity: 0.6;
    animation: floatParticle 8s infinite ease-in-out;
}

@keyframes floatParticle {
    0%, 100% { transform: translateY(0px) translateX(0px) rotate(0deg); opacity: 0.6; }
    25% { transform: translateY(-20px) translateX(10px) rotate(90deg); opacity: 1; }
    50% { transform: translateY(-40px) translateX(-10px) rotate(180deg); opacity: 0.8; }
    75% { transform: translateY(-20px) translateX(-15px) rotate(270deg); opacity: 0.4; }
}

.section-header .particle:nth-child(2) { animation-delay: -2s; left: 20%; }
.section-header .particle:nth-child(3) { animation-delay: -4s; left: 40%; }
.section-header .particle:nth-child(4) { animation-delay: -6s; left: 60%; }
.section-header .particle:nth-child(5) { animation-delay: -8s; left: 80%; }

/* Canvas Background */
#shader-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    opacity: 0.7;
}

.shader-fallback {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: 
        radial-gradient(ellipse at 25% 25%, rgba(0, 255, 136, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 75% 75%, rgba(0, 153, 255, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 50%, rgba(255, 107, 107, 0.08) 0%, transparent 50%),
        linear-gradient(135deg, var(--bg-primary) 0%, rgba(0, 0, 0, 0.9) 100%);
    animation: gradientShift 15s ease-in-out infinite alternate;
}

@keyframes gradientShift {
    0% { transform: scale(1) rotate(0deg); filter: hue-rotate(0deg); }
    100% { transform: scale(1.1) rotate(2deg); filter: hue-rotate(10deg); }
}

/* Layout Components */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 clamp(1rem, 4vw, 2rem);
}

.section {
    min-height: 100vh;
    padding: clamp(4rem, 10vw, 8rem) 0;
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

/* Section dividers */
.section::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 60px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--primary), transparent);
    transform: translateX(-50%);
}

/* About Section Styles */
.section-header {
    width: 100%;
    text-align: center;
}

.about-content {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: clamp(2rem, 6vw, 4rem);
    align-items: start;
    margin-top: var(--space-8);
}

.profile-container {
    position: relative;
    width: 300px;
    height: 300px;
    margin: var(--space-8) 0 auto;
    justify-self: center;
}

.profile-about-photo {
    position: relative;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    overflow: hidden;
    animation: pulseGlow 4s ease-in-out infinite;
    background: conic-gradient(from 0deg, var(--primary), var(--secondary), var(--accent), var(--primary));
    padding: 4px;
}

.profile-about-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
    transition: transform 0.5s var(--ease-out-cubic);
    background: var(--bg-primary);
}

/* Orbital rings around the photo */
.profile-container::before,
.profile-container::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    border: 2px solid transparent;
    border-left-color: var(--primary);
    border-top-color: var(--secondary);
    animation: orbitSpin 8s linear infinite;
}

.profile-container::before {
    top: -20px;
    left: -20px;
    right: -20px;
    bottom: -20px;
    animation-direction: reverse;
}

.profile-container::after {
    top: -40px;
    left: -40px;
    right: -40px;
    bottom: -40px;
}

/* Keyframe animations */
@keyframes pulseGlow {
    0%, 100% { 
        box-shadow: 0 0 30px var(--primary-ultra-dim), 0 0 60px rgba(0, 153, 255, 0.2); 
        filter: brightness(1);
    }
    50% { 
        box-shadow: 0 0 40px rgba(0, 255, 136, 0.4), 0 0 80px rgba(0, 153, 255, 0.3); 
        filter: brightness(1.1);
    }
}

@keyframes orbitSpin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.glass {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
}

.glass-card {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    padding: var(--space-6);
    box-shadow: var(--glass-shadow);
    transition: transform var(--transition-medium), box-shadow var(--transition-medium);
    position: relative;
    overflow: hidden;
}

.glass-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left var(--transition-slow);
}

.glass-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.4);
}

.glass-card:hover::before {
    left: 100%;
}

/* Navigation */
.nav-constellation {
    position: fixed;
    right: var(--space-4);
    top: 50%;
    transform: translateY(-50%);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.nav-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    border: 2px solid transparent;
    cursor: pointer;
    position: relative;
    transition: all var(--transition-medium);
}

.nav-dot:hover,
.nav-dot.active {
    background: var(--primary);
    border-color: var(--primary);
    transform: scale(1.5);
    box-shadow: 0 0 15px var(--primary-dim);
}

.nav-dot::before {
    content: attr(data-label);
    position: absolute;
    right: 100%;
    top: 50%;
    transform: translateY(-50%);
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    padding: var(--space-1) var(--space-2);
    border-radius: var(--border-radius-sm);
    font-size: var(--text-sm);
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-fast);
    margin-right: var(--space-2);
    border: 1px solid var(--glass-border);
}

.nav-dot:hover::before {
    opacity: 1;
}

/* Hero Section */
.hero {
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    min-height: 100vh;
}

.hero-name {
    font-size: clamp(3.5rem, 7vw, 5rem);
    margin-bottom: var(--space-2);
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: textReveal 1.5s var(--ease-out-cubic) forwards;
    letter-spacing: -0.02em;
}

.hero-title {
    font-size: clamp(1.5rem, 4vw, 2.5rem);
    margin-bottom: var(--space-4);
    color: var(--text-secondary);
    animation: textReveal 1.5s var(--ease-out-cubic) 0.2s forwards;
    opacity: 0;
    font-weight: 400;
}

.hero-content .subhead {
    font-size: clamp(1.2rem, 2.5vw, 1.8rem);
    color: var(--text-secondary);
    margin-bottom: var(--space-6);
    animation: slideUp 1s var(--ease-out-cubic) 0.3s both;
    font-weight: 300;
}

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

@keyframes slideUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.cta-buttons {
    display: flex;
    gap: var(--space-3);
    justify-content: center;
    flex-wrap: wrap;
    animation: slideUp 1s var(--ease-out-cubic) 0.6s both;
}

/* Enhanced Buttons */
.btn {
    padding: clamp(0.75rem, 2vw, 1rem) clamp(1.5rem, 4vw, 2rem);
    border: none;
    border-radius: var(--border-radius);
    font-family: inherit;
    font-size: clamp(0.9rem, 2vw, 1rem);
    font-weight: 600;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: all var(--transition-medium);
    text-decoration: none;
    display: inline-block;
    will-change: transform;
    letter-spacing: 0.025em;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: var(--bg-primary);
    box-shadow: 0 4px 15px rgba(0, 255, 136, 0.3);
}

.btn-secondary {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    color: var(--text-primary);
    border: 1px solid var(--glass-border);
}

.btn:hover {
    transform: translateY(-3px);
}

.btn-primary:hover {
    box-shadow: 0 6px 25px rgba(0, 255, 136, 0.5);
}

.btn::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 var(--transition-slow);
}

.btn:hover::before {
    left: 100%;
}

/* Enhanced Stats */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: var(--space-4);
    margin: var(--space-6) 0;
}

.stat-item {
    text-align: center;
    padding: var(--space-4);
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    border-radius: var(--border-radius);
    border: 1px solid var(--glass-border);
    position: relative;
    overflow: hidden;
    transition: transform var(--transition-medium);
}

.stat-item:hover {
    transform: translateY(-5px);
}

.stat-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    transform: scaleX(0);
    transition: transform var(--transition-medium);
}

.stat-item:hover::before {
    transform: scaleX(1);
}

.stat-number {
    font-size: var(--text-3xl);
    font-weight: 800;
    color: var(--primary);
    display: block;
    text-shadow: 0 0 20px var(--primary-ultra-dim);
}

.stat-label {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    margin-top: var(--space-1);
    font-weight: 500;
}

/* Skills Section Improvements */
.skills-container {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-4);
    margin-top: var(--space-8);
}

.skill-category {
    padding: var(--space-4);
    border-radius: var(--border-radius);
    transition: transform var(--transition-medium), box-shadow var(--transition-medium);
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
}

.skill-category:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
}

.skill-category h3 {
    color: var(--primary);
    font-size: var(--text-lg);
    margin-bottom: var(--space-4);
    display: flex;
    align-items: center;
    gap: var(--space-2);
    
}

.skill-category h3 i {
    font-size: 1.2em;
    opacity: 0.8;
    text-align: center;
}

.skill-items {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); 
    gap: var(--space-2);
    margin-top: var(--space-3);
}

.skill-items .skill-item {
    background: var(--glass-bg);
    padding: var(--space-2);
    border-radius: var(--border-radius-sm);
    font-size: var(--text-sm);
    text-align: center;
    border: 1px solid var(--glass-border);
    transition: all var(--transition-fast);
}

.skill-items .skill-item:hover {
    background: var(--primary);
    color: var(--bg-primary);
    border-color: var(--primary);
    transform: translateY(-2px);
}


/* Enhanced Timeline */
.timeline {
    position: relative;
    padding: var(--space-8) 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    width: 3px;
    height: 100%;
    background: linear-gradient(to bottom, var(--primary), var(--secondary));
    transform: translateX(-50%);
    box-shadow: 0 0 10px var(--primary-ultra-dim);
}

.timeline-item {
    margin: var(--space-8) 0;
    position: relative;
}

.timeline-content {
    width: calc(50% - var(--space-4));
    padding: var(--space-6);
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    box-shadow: var(--glass-shadow);
    cursor: pointer;
    transition: all var(--transition-medium);
    position: relative;
    transform-style: preserve-3d;
    will-change: transform;
}

.timeline-item:nth-child(odd) .timeline-content {
    margin-left: auto;
}

.timeline-item:nth-child(even) .timeline-content {
    margin-right: auto;
}

.timeline-content:hover {
    transform: rotateY(5deg) translateZ(20px) translateY(-5px);
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.5);
    border-color: var(--primary-dim);
}

.timeline-dot {
    position: absolute;
    left: 50%;
    top: var(--space-4);
    width: 20px;
    height: 20px;
    background: var(--primary);
    border-radius: 50%;
    transform: translateX(-50%);
    z-index: 1;
    box-shadow: 0 0 0 4px var(--bg-primary), 0 0 0 8px var(--glass-border), 0 0 20px var(--primary-ultra-dim);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { transform: translateX(-50%) scale(1); }
    50% { transform: translateX(-50%) scale(1.1); }
}

.timeline-date {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    margin-bottom: var(--space-2);
    font-weight: 500;
}

.timeline-title {
    font-size: var(--text-lg);
    color: var(--primary);
    margin-bottom: var(--space-2);
    font-weight: 700;
}

.timeline-company {
    font-size: var(--text-base);
    font-weight: 600;
    margin-bottom: var(--space-3);
}

.timeline-description {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Enhanced Projects Grid */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: clamp(1.5rem, 4vw, 2rem);
    margin: var(--space-8) 0;
}

.project-card {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    overflow: hidden;
    cursor: pointer;
    transition: all var(--transition-medium);
    transform-style: preserve-3d;
    will-change: transform;
    position: relative;
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    transform: scaleX(0);
    transition: transform var(--transition-medium);
}

.project-card:hover {
    transform: rotateX(5deg) rotateY(10deg) translateZ(20px) translateY(-10px);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.4);
    border-color: var(--primary-dim);
}

.project-card:hover::before {
    transform: scaleX(1);
}

.project-header {
    padding: var(--space-4);
    background: linear-gradient(135deg, var(--glass-bg), transparent);
}

.project-title {
    font-size: var(--text-lg);
    color: var(--primary);
    margin-bottom: var(--space-2);
    font-weight: 700;
}

.project-description {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--space-3);
}

.tech-stack {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-1);
}

.tech-tag {
    font-size: var(--text-xs);
    padding: var(--space-1) var(--space-2);
    background: rgba(0, 255, 136, 0.15);
    color: var(--primary);
    border-radius: var(--border-radius-sm);
    border: 1px solid rgba(0, 255, 136, 0.3);
    font-weight: 500;
    transition: all var(--transition-fast);
}

.tech-tag:hover {
    background: var(--primary);
    color: var(--bg-primary);
    transform: translateY(-1px);
}

/* Filter Buttons */
.filter-buttons {
    display: flex;
    gap: var(--space-2);
    margin-bottom: var(--space-6);
    justify-content: center;
    flex-wrap: wrap;
}

.filter-btn {
    padding: var(--space-2) var(--space-4);
    border: 1px solid var(--glass-border);
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    color: var(--text-secondary);
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: all var(--transition-medium);
    font-size: var(--text-sm);
    font-weight: 500;
}

.filter-btn.active,
.filter-btn:hover {
    background: var(--primary);
    color: var(--bg-primary);
    border-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px var(--primary-ultra-dim);
}

/* Enhanced Tools Section */
.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-4);
    margin: var(--space-8) 0;
}

.tool-panel {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    padding: var(--space-4);
    min-height: 300px;
}

.tool-header {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-bottom: var(--space-4);
    padding-bottom: var(--space-2);
    border-bottom: 1px solid var(--glass-border);
}

.tool-icon {
    width: 24px;
    height: 24px;
    fill: var(--primary);
}

.tool-title {
    font-size: var(--text-lg);
    color: var(--primary);
}

.tool-input,
.tool-textarea {
    width: 100%;
    padding: var(--space-2);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-sm);
    color: var(--text-primary);
    font-family: inherit;
    margin-bottom: var(--space-2);
}

.tool-input:focus,
.tool-textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(0, 255, 136, 0.2);
}

.tool-textarea {
    min-height: 100px;
    resize: vertical;
    font-family: var(--font-mono);
}

/* Terminal */
.terminal {
    background: #000;
    border-radius: var(--border-radius-sm);
    padding: var(--space-3);
    font-family: var(--font-mono);
    color: #0f0;
    margin: var(--space-4) 0;
    border: 1px solid var(--glass-border);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.5);
}

.terminal-header {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    margin-bottom: var(--space-2);
    padding-bottom: var(--space-2);
    border-bottom: 1px solid #333;
}

.terminal-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.terminal-dot.red { background: #ff5f56; }
.terminal-dot.yellow { background: #ffbd2e; }
.terminal-dot.green { background: #27ca3f; }

.terminal-content {
    font-size: var(--text-sm);
    line-height: 1.4;
}

.terminal-prompt::before {
    content: '$ ';
    color: var(--primary);
}

.typewriter {
    overflow: hidden;
    border-right: 2px solid var(--primary);
    animation: typing 2s steps(40) forwards, blink 1s infinite;
}

@keyframes typing {
    from { width: 0; }
    to { width: 100%; }
}

@keyframes blink {
    50% { border-color: transparent; }
}

/* Enhanced Certifications */
.text-4xl animate-in{
    
}

.certs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: clamp(1rem, 3vw, 1.5rem);
    margin: var(--space-6) 0;
    max-width: 100%;
}

/* For larger screens, ensure better side-by-side layout */
@media (min-width: 768px) {
    .certs-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
    }
}

@media (min-width: 1024px) {
    .certs-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 2rem;
    }
}

@media (min-width: 1400px) {
    .certs-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 2.5rem;
    }
}

.cert-card {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    padding: var(--space-4);
    text-align: center;
    position: relative;
    overflow: hidden;
    cursor: pointer;
    transition: all var(--transition-medium);
    min-height: 180px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.cert-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.cert-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
}

.cert-title {
    font-size: var(--text-base);
    font-weight: 600;
    margin-bottom: var(--space-2);
    color: var(--text-primary);
    line-height: 1.4;
}

.cert-issuer {
    font-size: var(--text-sm);
    color: var(--primary);
    margin-bottom: var(--space-2);
    font-weight: 600;
}

.cert-status {
    font-size: var(--text-xs);
    padding: var(--space-1) var(--space-2);
    border-radius: var(--border-radius-sm);
    display: inline-block;
    font-weight: 600;
    margin-top: auto;
}

.cert-status.ongoing {
    background: rgba(255, 217, 61, 0.2);
    color: var(--warning);
    border: 1px solid rgba(255, 217, 61, 0.3);
}

.cert-status.completed {
    background: rgba(46, 213, 115, 0.2);
    color: var(--success);
    border: 1px solid rgba(46, 213, 115, 0.3);
}
/* Enhanced Contact Form */
.contact-form {
    max-width: 600px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: var(--space-4);
}

.form-label {
    display: block;
    margin-bottom: var(--space-1);
    font-size: var(--text-sm);
    color: var(--text-secondary);
    font-weight: 500;
}

.form-input {
    width: 100%;
    padding: var(--space-3);
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-sm);
    color: var(--text-primary);
    font-family: inherit;
    transition: border-color var(--transition-fast);
}

.form-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(0, 255, 136, 0.2);
}

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

.honeypot {
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

/* Email Decoder */
.email-decoder {
    text-align: center;
    margin: var(--space-6) 0;
}

.email-reveal {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: var(--bg-primary);
    border: none;
    padding: var(--space-3) var(--space-6);
    border-radius: var(--border-radius);
    cursor: pointer;
    font-size: var(--text-base);
    font-weight: 600;
    position: relative;
    overflow: hidden;
    transition: transform var(--transition-medium);
    box-shadow: 0 4px 15px rgba(0, 255, 136, 0.3);
}

.email-reveal:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(0, 255, 136, 0.5);
}

.email-display {
    margin-top: var(--space-4);
    padding: var(--space-3);
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-sm);
    display: none;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-2);
}

.email-text {
    font-family: var(--font-mono);
    color: var(--primary);
    flex: 1;
    text-align: left;
}

.copy-btn {
    background: transparent;
    border: 1px solid var(--glass-border);
    color: var(--text-secondary);
    padding: var(--space-1) var(--space-2);
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.copy-btn:hover {
    background: var(--primary);
    color: var(--bg-primary);
    border-color: var(--primary);
}

/* Footer */
.footer {
    padding: var(--space-8) 0 var(--space-4);
    text-align: center;
    border-top: 1px solid var(--glass-border);
    margin-top: var(--space-12);
}

.footer-actions {
    display: flex;
    justify-content: center;
    gap: var(--space-4);
    margin-bottom: var(--space-4);
    flex-wrap: wrap;
}

.footer-btn {
    background: transparent;
    border: 1px solid var(--glass-border);
    color: var(--text-secondary);
    padding: var(--space-2) var(--space-4);
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    font-size: var(--text-sm);
    transition: all var(--transition-fast);
}

.footer-btn:hover {
    background: var(--glass-bg);
    color: var(--text-primary);
    transform: translateY(-2px);
}

.footer-text {
    font-size: var(--text-sm);
    color: var(--text-secondary);
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    z-index: 10000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: var(--space-4);
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--bg-secondary);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-lg);
    max-width: 90vw;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    animation: modalSlideIn 0.3s var(--ease-out-cubic);
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: scale(0.9) translateY(20px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.modal-header {
    padding: var(--space-4);
    border-bottom: 1px solid var(--glass-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-title {
    font-size: var(--text-xl);
    color: var(--primary);
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: var(--space-1);
    margin-left: auto;
    font-size: var(--text-lg);
    transition: color var(--transition-fast);
}

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

.modal-body {
    padding: var(--space-4);
}

/* Source code overlay */
.source-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    z-index: 10001;
    display: none;
    overflow: auto;
}

.source-overlay.active {
    display: block;
}

.source-content {
    padding: var(--space-4);
    color: #f8f8f2;
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    line-height: 1.4;
    white-space: pre-wrap;
    background: #282a36;
    margin: var(--space-4);
    border-radius: var(--border-radius);
}

/* Print Styles */
@media print {
    .no-print {
        display: none !important;
    }
    
    body {
        background: white !important;
        color: black !important;
        font-size: 12pt;
        line-height: 1.4;
    }
    
    .container {
        max-width: none;
        padding: 0;
    }
    
    .section {
        min-height: auto;
        padding: 20pt 0;
        break-inside: avoid;
    }
    
    .glass,
    .glass-card {
        background: white !important;
        border: 1pt solid #ccc !important;
        box-shadow: none !important;
        backdrop-filter: none !important;
    }
    
    .hero {
        min-height: auto;
        page-break-after: always;
    }
    
    .timeline::before {
        display: none;
    }
    
    .timeline-content {
        width: 100% !important;
        margin: 0 0 20pt 0 !important;
        transform: none !important;
    }
    
    .timeline-dot {
        display: none;
    }
    
    h1, h2, h3 {
        page-break-after: avoid;
    }
    
    .projects-grid,
    .certs-grid {
        grid-template-columns: 1fr 1fr;
    }
}

/* Enhanced Responsive Design */
@media (max-width: 1200px) {
    .container {
        padding: 0 clamp(1rem, 3vw, 2rem);
    }
}

@media (max-width: 768px) {
    .hero-content h1 {
        font-size: clamp(2.5rem, 8vw, 4rem);
    }
    
    .section-header::before,
    .section-header::after {
        width: 20px;
        left: -25px;
        right: -25px;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: var(--space-6);
        text-align: center;
    }
    
    .profile-container {
        width: 250px;
        height: 250px;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
        max-width: 300px;
        margin: 0 auto;
    }
    
    .timeline::before {
        left: var(--space-4);
    }
    
    .timeline-content {
        width: calc(100% - var(--space-8));
        margin-left: var(--space-8) !important;
    }
    
    .timeline-dot {
        left: var(--space-4);
    }
    
    .projects-grid,
    .tools-grid,
    .certs-grid {
        grid-template-columns: 1fr;
    }
    
    .skills-grid {
        grid-template-columns: 1fr;
        gap: var(--space-3);
    }
    
    .skill-items {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .nav-constellation {
        display: none;
    }
    
    body {
        cursor: auto;
    }
    
    .cursor,
    .cursor-follower {
        display: none;
    }
    
    .section {
        padding: clamp(3rem, 8vw, 6rem) 0;
    }
    
    .filter-buttons {
        gap: var(--space-1);
    }
    
    .filter-btn {
        padding: var(--space-1) var(--space-2);
        font-size: var(--text-xs);
    }
}

@media (max-width: 480px) {
    .section-header h2 {
        font-size: clamp(1.8rem, 6vw, 2.5rem);
    }
    
    .profile-container {
        width: 200px;
        height: 200px;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .skill-items {
        grid-template-columns: 1fr;
    }
    
    .tech-stack {
        justify-content: center;
    }
    
    .btn {
        width: 100%;
        max-width: 250px;
    }
}

/* Animations for scroll-triggered elements */
.animate-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s var(--ease-out-cubic);
}

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

.stagger-1 { transition-delay: 0.1s; }
.stagger-2 { transition-delay: 0.2s; }
.stagger-3 { transition-delay: 0.3s; }
.stagger-4 { transition-delay: 0.4s; }
.stagger-5 { transition-delay: 0.5s; }

/* Accessibility improvements */
@media (prefers-reduced-motion: reduce) {
    .animate-in,
    .timeline-dot,
    .profile-about-photo,
    .section-header .particle {
        animation: none !important;
    }
    
    .glass-card:hover,
    .project-card:hover,
    .timeline-content:hover {
        transform: none !important;
    }
}

/* Focus styles for keyboard navigation */
.nav-dot:focus,
.btn:focus,
.filter-btn:focus,
.form-input:focus,
.tool-input:focus,
.tool-textarea:focus {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --primary: #00ff00;
        --secondary: #0066ff;
        --glass-border: rgba(255, 255, 255, 0.3);
    }
}
/* === MOBILE RESPONSIVENESS ENHANCEMENTS === */

@media (max-width: 992px) {
    /* Stack the Writing and Contact sections earlier to avoid them getting squished */
    #writing .glass-card,
    #contact .glass-card {
        grid-column: 1 / -1; /* Make each card span the full width of the grid */
    }

    #writing > .container > div,
    #contact > .container > div {
        display: grid;
        grid-template-columns: 1fr; /* Switch to a single column layout */
        gap: var(--space-4); /* Reduce the gap for vertical stacking */
    }
}


@media (max-width: 768px) {
    /* --- General Spacing --- */
    .section {
        /* Reduce vertical padding slightly for a tighter feel on tablets/phones */
        padding: clamp(3rem, 8vw, 5rem) 0;
    }

    /* --- Timeline Adjustments --- */
    .timeline::before {
        /* Move the timeline bar closer to the edge to give content more space */
        left: 20px; 
    }
    
    .timeline-content {
        /* Reduce the left margin to give the card more width */
        width: calc(100% - 40px);
        margin-left: 40px !important;
    }
    
    .timeline-dot {
        /* Align the dot with the new position of the timeline bar */
        left: 20px;
    }

    /* --- Skills Grid --- */
    .skill-items {
        /* Ensure skill items don't get too cramped */
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    }
}

@media (max-width: 480px) {
    /* --- Hero Section --- */
    .hero-name {
        /* Further control the hero name font size on the smallest screens */
        font-size: clamp(2.5rem, 12vw, 3.5rem);
    }

    .hero-title {
        font-size: clamp(1.2rem, 5vw, 1.5rem);
    }
    
    /* --- Section Headers --- */
    .section-header h2 {
        font-size: clamp(1.8rem, 8vw, 2.2rem);
        padding: 0 0.5rem; /* Reduce padding to save space */
    }

    .section-header::before,
    .section-header::after {
        display: none; /* Hide decorative lines that can cause overflow */
    }
    
    /* --- Profile Image --- */
    .profile-container {
        /* Use a fluid width to adapt better to all small screen sizes */
        width: clamp(180px, 60vw, 220px);
        height: clamp(180px, 60vw, 220px);
    }
    
    /* --- Projects & Certs Grid --- */
    .projects-grid,
    .certs-grid {
        /* Make the single column layout on mobile have less aggressive min-width */
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }
}