/*!
 * Software Engineering Enhanced CSS - Professional Developer Portfolio
 * Advanced animations, code aesthetics, and engineering-focused design
 */

/* Matrix Rain Animation for Software Engineering Feel */
@keyframes matrixRain {
    0% {
        transform: translateY(-100vh);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateY(100vh);
        opacity: 0;
    }
}

/* Binary Code Background Animation */
@keyframes binaryFlow {
    0% {
        transform: translateX(-100vw) rotate(0deg);
        opacity: 0.1;
    }
    50% {
        opacity: 0.3;
    }
    100% {
        transform: translateX(100vw) rotate(360deg);
        opacity: 0.1;
    }
}

/* Code Typing Animation */
@keyframes typewriter {
    from { width: 0; }
    to { width: 100%; }
}

@keyframes blinkCursor {
    0%, 50% { border-color: transparent; }
    51%, 100% { border-color: var(--code-color); }
}

/* Terminal Glow Effect */
@keyframes terminalGlow {
    0%, 100% {
        box-shadow: 0 0 10px rgba(0, 255, 0, 0.2),
                    0 0 20px rgba(0, 255, 0, 0.1),
                    inset 0 0 20px rgba(0, 255, 0, 0.1);
    }
    50% {
        box-shadow: 0 0 20px rgba(0, 255, 0, 0.4),
                    0 0 40px rgba(0, 255, 0, 0.2),
                    inset 0 0 30px rgba(0, 255, 0, 0.2);
    }
}

/* Circuit Board Pattern */
.circuit-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -2;
    background-image:
        linear-gradient(90deg, rgba(0, 102, 204, 0.05) 1px, transparent 1px),
        linear-gradient(rgba(0, 102, 204, 0.05) 1px, transparent 1px),
        radial-gradient(circle at 20% 50%, rgba(0, 102, 204, 0.1) 2px, transparent 2px),
        radial-gradient(circle at 80% 50%, rgba(255, 107, 53, 0.1) 2px, transparent 2px),
        radial-gradient(circle at 40% 20%, rgba(0, 200, 81, 0.1) 1px, transparent 1px);
    background-size: 50px 50px, 50px 50px, 100px 100px, 100px 100px, 75px 75px;
    animation: circuitFlow 20s linear infinite;
}

@keyframes circuitFlow {
    0% { background-position: 0 0, 0 0, 0 0, 0 0, 0 0; }
    100% { background-position: 50px 50px, 50px 50px, 100px 100px, -100px -100px, 75px 75px; }
}

/* Software Engineering Typography */
.code-title {
    font-family: 'JetBrains Mono', monospace;
    font-weight: 700;
    background: linear-gradient(45deg, #0066cc, #ff6b35, #00c851);
    background-size: 200% 200%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientShift 3s ease infinite;
    position: relative;
}

@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.code-title::after {
    content: '|';
    color: var(--code-color);
    animation: blinkCursor 1s infinite;
    margin-left: 2px;
}

/* Terminal-style Code Blocks */
.terminal-window {
    background: #1e293b;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
    position: relative;
    animation: terminalGlow 3s ease-in-out infinite;
}

.terminal-header {
    background: #334155;
    padding: 12px 20px;
    display: flex;
    align-items: center;
    border-bottom: 1px solid #475569;
}

.terminal-dots {
    display: flex;
    gap: 8px;
    margin-right: 15px;
}

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

.terminal-dot.red { background: #ef4444; }
.terminal-dot.yellow { background: #f59e0b; }
.terminal-dot.green { background: #10b981; }

.terminal-title {
    color: #e2e8f0;
    font-size: 14px;
    font-family: 'JetBrains Mono', monospace;
}

.terminal-body {
    padding: 20px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 14px;
    line-height: 1.6;
    color: #e2e8f0;
    background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
    min-height: 120px;
}

.terminal-line {
    display: flex;
    align-items: center;
    margin-bottom: 8px;
}

.terminal-prompt {
    color: #10b981;
    margin-right: 8px;
}

.terminal-command {
    color: #60a5fa;
}

.terminal-output {
    color: #f97316;
    margin-left: 20px;
}

.terminal-comment {
    color: #94a3b8;
    font-style: italic;
}

/* Floating Code Elements */
.floating-code {
    position: fixed;
    font-family: 'JetBrains Mono', monospace;
    font-size: 16px;
    color: rgba(0, 102, 204, 0.3);
    pointer-events: none;
    z-index: -1;
    animation: codeFloat 15s linear infinite;
}

.floating-code.java { color: rgba(248, 152, 32, 0.3); }
.floating-code.spring { color: rgba(109, 179, 63, 0.3); }
.floating-code.aws { color: rgba(255, 153, 0, 0.3); }
.floating-code.docker { color: rgba(36, 150, 237, 0.3); }

@keyframes codeFloat {
    0% {
        transform: translateY(100vh) translateX(-50px) rotate(0deg);
        opacity: 0;
    }
    10% {
        opacity: 0.3;
    }
    90% {
        opacity: 0.3;
    }
    100% {
        transform: translateY(-100px) translateX(50px) rotate(360deg);
        opacity: 0;
    }
}

/* Matrix Rain Effect */
.matrix-rain {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
    overflow: hidden;
}

.matrix-column {
    position: absolute;
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    color: rgba(0, 255, 0, 0.8);
    white-space: nowrap;
    animation: matrixRain 5s linear infinite;
}

/* Binary Background */
.binary-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
    overflow: hidden;
}

.binary-string {
    position: absolute;
    font-family: 'JetBrains Mono', monospace;
    font-size: 14px;
    color: rgba(0, 102, 204, 0.1);
    white-space: nowrap;
    animation: binaryFlow 20s linear infinite;
}

/* Glowing Tech Badges */
.tech-badge-glow {
    background: var(--gradient-primary);
    color: var(--white);
    padding: 8px 16px;
    border-radius: 20px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    font-weight: 600;
    display: inline-block;
    margin: 4px;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 102, 204, 0.3);
}

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

.tech-badge-glow:hover {
    transform: translateY(-2px) scale(1.05);
    box-shadow: 0 8px 25px rgba(0, 102, 204, 0.4);
}

.tech-badge-glow:hover::before {
    left: 100%;
}

/* Software Architecture Diagram */
.architecture-diagram {
    position: relative;
    padding: 40px;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    border-radius: 16px;
    margin: 20px 0;
    overflow: hidden;
}

.architecture-layer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    margin: 10px 0;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 8px;
    border-left: 4px solid var(--primary-color);
    position: relative;
}

.architecture-layer::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 15px;
    background: var(--primary-color);
}

.architecture-layer:last-child::after {
    display: none;
}

.layer-title {
    font-family: 'JetBrains Mono', monospace;
    font-weight: 600;
    color: var(--primary-color);
}

.layer-tech {
    display: flex;
    gap: 10px;
}

/* Coding Statistics Display */
.coding-stats {
    background: var(--dark-bg);
    color: var(--white);
    padding: 30px;
    border-radius: 12px;
    font-family: 'JetBrains Mono', monospace;
    position: relative;
    overflow: hidden;
}

.coding-stats::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #0066cc, #ff6b35, #00c851);
    animation: progressBar 3s ease-in-out infinite;
}

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

.stat-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 15px 0;
    padding: 10px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.stat-label {
    color: #94a3b8;
}

.stat-value {
    color: #10b981;
    font-weight: 600;
}

.stat-bar {
    flex: 1;
    height: 4px;
    background: rgba(255, 255, 255, 0.1);
    margin: 0 20px;
    border-radius: 2px;
    overflow: hidden;
}

.stat-progress {
    height: 100%;
    background: linear-gradient(90deg, #0066cc, #10b981);
    border-radius: 2px;
    animation: fillBar 2s ease-out;
}

@keyframes fillBar {
    from { width: 0; }
    to { width: var(--progress, 0%); }
}

/* Interactive Code Editor Mockup */
.code-editor {
    background: #1e293b;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    font-family: 'JetBrains Mono', monospace;
    font-size: 14px;
    margin: 20px 0;
}

.editor-header {
    background: #334155;
    padding: 10px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid #475569;
}

.editor-tabs {
    display: flex;
    gap: 10px;
}

.editor-tab {
    background: #475569;
    color: #e2e8f0;
    padding: 5px 15px;
    border-radius: 4px;
    font-size: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.editor-tab.active {
    background: var(--primary-color);
    color: white;
}

.editor-actions {
    display: flex;
    gap: 5px;
}

.editor-action {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    cursor: pointer;
}

.editor-action.close { background: #ef4444; }
.editor-action.minimize { background: #f59e0b; }
.editor-action.maximize { background: #10b981; }

.editor-body {
    padding: 20px;
    background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
    color: #e2e8f0;
    min-height: 200px;
    line-height: 1.6;
}

.code-line {
    display: flex;
    align-items: center;
    margin-bottom: 4px;
}

.line-number {
    color: #64748b;
    margin-right: 20px;
    width: 30px;
    text-align: right;
}

.code-keyword { color: #f472b6; }
.code-string { color: #34d399; }
.code-comment { color: #94a3b8; }
.code-function { color: #60a5fa; }
.code-variable { color: #fbbf24; }

/* Animated Network Connections */
.network-visualization {
    position: relative;
    height: 300px;
    background: radial-gradient(circle at center, rgba(0, 102, 204, 0.1) 0%, transparent 70%);
    border-radius: 12px;
    overflow: hidden;
}

.network-node {
    position: absolute;
    width: 12px;
    height: 12px;
    background: var(--primary-color);
    border-radius: 50%;
    box-shadow: 0 0 10px rgba(0, 102, 204, 0.5);
    animation: nodePulse 2s ease-in-out infinite;
}

@keyframes nodePulse {
    0%, 100% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.5);
        opacity: 0.7;
    }
}

.network-connection {
    position: absolute;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
    animation: dataFlow 3s ease-in-out infinite;
}

@keyframes dataFlow {
    0% {
        opacity: 0;
        transform: scaleX(0);
    }
    50% {
        opacity: 1;
        transform: scaleX(1);
    }
    100% {
        opacity: 0;
        transform: scaleX(0);
    }
}

/* Professional Hover Effects */
.professional-card-enhanced {
    position: relative;
    background: white;
    border-radius: 16px;
    padding: 30px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
}

.professional-card-enhanced::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #0066cc, #ff6b35, #00c851);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.professional-card-enhanced:hover {
    transform: translateY(-10px);
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.2);
}

.professional-card-enhanced:hover::before {
    opacity: 1;
}

/* Responsive Design for Software Engineering Elements */
@media (max-width: 768px) {
    .terminal-window,
    .code-editor {
        margin: 10px 0;
        border-radius: 8px;
    }

    .terminal-body,
    .editor-body {
        padding: 15px;
        font-size: 12px;
    }

    .floating-code {
        font-size: 12px;
    }

    .architecture-diagram {
        padding: 20px;
        margin: 10px 0;
    }

    .architecture-layer {
        padding: 15px;
        margin: 8px 0;
    }

    .layer-tech {
        flex-direction: column;
        gap: 5px;
    }

    .coding-stats {
        padding: 20px;
    }

    .stat-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }

    .stat-bar {
        width: 100%;
        margin: 0;
    }
}

/* ============================================
   MOBILE RESPONSIVENESS - SOFTWARE ENGINEERING THEME
   ============================================ */

/* Mobile-First Responsive Particle System */
.tech-particle {
    transition: var(--transition-base);
}

/* Terminal and Code Elements Mobile Optimization */
.terminal-window {
    margin: 1rem 0;
    border-radius: 8px;
    overflow: hidden;
}

.terminal-header {
    padding: 0.5rem 1rem;
    font-size: 0.8rem;
}

.terminal-body {
    padding: 1rem;
    font-size: 0.9rem;
    line-height: 1.4;
}

/* Code Typography Mobile Scaling */
.code-font {
    font-size: clamp(0.8rem, 2.5vw, 1rem);
}

.typing-animation {
    font-size: clamp(0.9rem, 3vw, 1.2rem);
}

/* Matrix Rain Mobile Optimization */
.matrix-rain {
    opacity: 0.3;
    font-size: 0.8rem;
}

/* Software Engineering Hero Mobile */
.hero-code-block {
    padding: 1rem;
    font-size: 0.8rem;
    margin: 1rem 0;
}

/* ============================================
   EXTRA SMALL MOBILE (320px - 575px)
   ============================================ */
@media (max-width: 575.98px) {
    /* Disable heavy animations on small screens */
    .matrix-rain,
    .binary-flow,
    .code-particles {
        display: none !important;
    }

    /* Simplify terminal windows */
    .terminal-window {
        margin: 0.5rem 0;
    }

    .terminal-body {
        padding: 0.75rem;
        font-size: 0.8rem;
    }

    /* Code blocks mobile optimization */
    .code-font {
        font-size: 0.75rem;
        line-height: 1.3;
    }

    .typing-animation {
        font-size: 0.85rem;
    }

    /* Hide cursor animation on very small screens */
    .code-cursor,
    .blinking-cursor {
        display: none;
    }

    /* Optimize tech stack display */
    .tech-stack-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.5rem;
    }

    .tech-item {
        padding: 0.5rem;
        font-size: 0.75rem;
    }
}

/* ============================================
   SMALL MOBILE (576px - 767px)
   ============================================ */
@media (min-width: 576px) and (max-width: 767.98px) {
    /* Limited particles for performance */
    .tech-particle {
        display: block;
        opacity: 0.2;
    }

    .matrix-rain {
        opacity: 0.1;
        animation-duration: 8s;
    }

    /* Terminal improvements */
    .terminal-body {
        padding: 1rem;
        font-size: 0.85rem;
    }

    .code-font {
        font-size: 0.8rem;
    }

    .typing-animation {
        font-size: 0.9rem;
    }

    /* Tech stack grid */
    .tech-stack-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 0.75rem;
    }
}

/* ============================================
   TABLET (768px - 991px)
   ============================================ */
@media (min-width: 768px) and (max-width: 991.98px) {
    /* More particles on tablets */
    .tech-particle {
        display: block;
        opacity: 0.4;
    }

    .matrix-rain {
        opacity: 0.2;
        font-size: 0.9rem;
    }

    /* Enhanced terminal display */
    .terminal-body {
        padding: 1.25rem;
        font-size: 0.9rem;
    }

    .code-font {
        font-size: 0.9rem;
    }

    .typing-animation {
        font-size: 1rem;
    }

    /* Re-enable cursor animation */
    .code-cursor,
    .blinking-cursor {
        display: inline;
    }

    /* Tech stack improvements */
    .tech-stack-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 1rem;
    }

    .tech-item {
        padding: 1rem;
    }
}

/* ============================================
   DESKTOP (992px - 1199px)
   ============================================ */
@media (min-width: 992px) and (max-width: 1199.98px) {
    /* Full particle system */
    .tech-particle {
        display: block;
        opacity: 0.6;
    }

    .matrix-rain {
        opacity: 0.3;
        font-size: 1rem;
    }

    /* Full terminal experience */
    .terminal-body {
        padding: 1.5rem;
        font-size: 1rem;
    }

    .code-font {
        font-size: 1rem;
    }

    .typing-animation {
        font-size: 1.1rem;
    }

    /* Full tech stack display */
    .tech-stack-grid {
        grid-template-columns: repeat(5, 1fr);
        gap: 1.25rem;
    }
}

/* ============================================
   LARGE DESKTOP (1200px+)
   ============================================ */
@media (min-width: 1200px) {
    /* Full effects and animations */
    .tech-particle {
        display: block;
        opacity: 0.8;
    }

    .matrix-rain {
        opacity: 0.4;
        font-size: 1.1rem;
    }

    /* Premium terminal experience */
    .terminal-body {
        padding: 2rem;
        font-size: 1.1rem;
    }

    .code-font {
        font-size: 1.1rem;
    }

    .typing-animation {
        font-size: 1.25rem;
    }

    /* Maximum tech stack display */
    .tech-stack-grid {
        grid-template-columns: repeat(6, 1fr);
        gap: 1.5rem;
    }
}

/* ============================================
   TOUCH OPTIMIZATIONS FOR SOFTWARE ENGINEERING
   ============================================ */
@media (hover: none) and (pointer: coarse) {
    /* Touch-friendly code interactions */
    .code-block {
        padding: 1rem;
        font-size: 1rem;
        line-height: 1.6;
    }

    /* Remove hover effects on touch */
    .tech-item:hover,
    .terminal-window:hover {
        transform: none;
    }

    /* Larger touch targets for interactive elements */
    .copy-button,
    .expand-button {
        min-width: 44px;
        min-height: 44px;
    }
}

/* ============================================
   LANDSCAPE MOBILE OPTIMIZATIONS
   ============================================ */
@media screen and (max-height: 500px) and (orientation: landscape) {
    /* Compact layout for landscape mobile */
    .hero-code-section {
        padding: 1rem 0;
    }

    .terminal-window {
        margin: 0.5rem 0;
        max-height: 200px;
        overflow-y: auto;
    }

    .tech-stack-grid {
        grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
        gap: 0.5rem;
    }

    .tech-item {
        padding: 0.5rem;
        font-size: 0.8rem;
    }

    /* Hide decorative elements */
    .matrix-rain,
    .code-particles {
        display: none;
    }
}

/* ============================================
   PERFORMANCE OPTIMIZATIONS FOR MOBILE
   ============================================ */
@media (max-width: 768px) {
    /* Reduce animation complexity */
    .tech-particle {
        animation-duration: 6s;
        animation-timing-function: linear;
    }

    /* Optimize shadows for mobile */
    .terminal-window,
    .code-block {
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    }

    /* Reduce backdrop blur for performance */
    .navbar {
        backdrop-filter: blur(5px);
        -webkit-backdrop-filter: blur(5px);
    }
}

/* ============================================
   DARK MODE MOBILE OPTIMIZATIONS
   ============================================ */
@media (prefers-color-scheme: dark) and (max-width: 768px) {
    .terminal-window {
        background: #1a1a1a;
        border: 1px solid #333;
    }

    .code-block {
        background: #0f0f0f;
    }

    .tech-particle {
        opacity: 0.5;
    }
}

/* ============================================
   HIGH CONTRAST MODE
   ============================================ */
@media (prefers-contrast: high) {
    .tech-particle,
    .matrix-rain {
        display: none;
    }

    .terminal-window,
    .code-block {
        border: 2px solid currentColor;
    }

    .tech-badge {
        border: 1px solid currentColor;
    }
}