/* ==========================================================================
   DESIGN SYSTEM & VARIABLES
   ========================================================================== */
:root {
    /* Colors */
    --bg-dark: #0a0b10;
    --bg-panel: rgba(18, 22, 32, 0.45);
    --bg-panel-light: rgba(26, 31, 44, 0.55);
    
    --text-primary: #f0f2f5;
    --text-secondary: #8f9aa8;
    --text-muted: #5b6573;
    
    --accent-cyan: #00e5ff;
    --accent-cyan-rgb: 0, 229, 255;
    --accent-blue: #3b82f6;
    --accent-blue-rgb: 59, 130, 246;
    --accent-green: #10b981;
    --accent-green-rgb: 16, 185, 129;
    --accent-orange: #f59e0b;
    --accent-orange-rgb: 245, 158, 11;
    
    --border-color: rgba(255, 255, 255, 0.05);
    --border-color-active: rgba(0, 229, 255, 0.25);
    
    /* Typography */
    --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', Monaco, Consolas, monospace;
    
    /* Shadows & Glows */
    --glow-cyan: 0 0 15px rgba(0, 229, 255, 0.2);
    --glow-cyan-strong: 0 0 25px rgba(0, 229, 255, 0.35);
    --glow-green: 0 0 15px rgba(16, 185, 129, 0.2);
    --glow-blue: 0 0 15px rgba(59, 130, 246, 0.2);
    
    /* Transitions */
    --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-normal: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ==========================================================================
   RESET & GLOBAL BASE STYLES
   ========================================================================== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    background-color: var(--bg-dark);
}

body {
    font-family: var(--font-sans);
    color: var(--text-primary);
    background-color: var(--bg-dark);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

/* Grid Overlay & Scanlines (Technical Aesthetic) */
.grid-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 999;
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.005) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.005) 1px, transparent 1px);
    background-size: 60px 60px;
}

/* Typography elements */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    letter-spacing: -0.01em;
    color: var(--text-primary);
}

a {
    color: var(--accent-cyan);
    text-decoration: none;
    transition: var(--transition-fast);
}

a:hover {
    color: var(--text-primary);
}

button {
    font-family: var(--font-sans);
    cursor: pointer;
    border: none;
    outline: none;
    background: none;
}

.mono {
    font-family: var(--font-mono);
}

/* Scrollbar Customization */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-dark);
}
::-webkit-scrollbar-thumb {
    background: var(--bg-panel-light);
    border: 1px solid var(--border-color);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--accent-cyan);
}

/* Containers */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

@media (max-width: 768px) {
    .container {
        padding: 0 1.25rem;
    }
}

/* ==========================================================================
   UTILITY CLASSES & BUTTONS
   ========================================================================== */
.text-glow-cyan { text-shadow: var(--glow-cyan); color: var(--accent-cyan); }
.text-glow-blue { text-shadow: var(--glow-blue); color: var(--accent-blue); }
.text-glow-green { text-shadow: var(--glow-green); color: var(--accent-green); }
.text-cyan { color: var(--accent-cyan); }
.text-orange { color: var(--accent-orange); }
.text-green { color: var(--accent-green); }

.pulse-indicator {
    display: inline-block;
    width: 8px;
    height: 8px;
    background-color: var(--accent-green);
    border-radius: 50%;
    margin-right: 6px;
    box-shadow: var(--glow-green);
    animation: pulse 1.8s infinite ease-in-out;
}

@keyframes pulse {
    0% { transform: scale(0.9); opacity: 0.6; box-shadow: 0 0 0 0 rgba(0, 229, 163, 0.7); }
    50% { transform: scale(1.1); opacity: 1; box-shadow: 0 0 0 8px rgba(0, 229, 163, 0); }
    100% { transform: scale(0.9); opacity: 0.6; box-shadow: 0 0 0 0 rgba(0, 229, 163, 0); }
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-size: 0.9rem;
    font-weight: 600;
    border-radius: 4px;
    transition: var(--transition-normal);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-family: var(--font-mono);
}

.btn-primary {
    background-color: var(--accent-cyan);
    color: var(--bg-dark);
    box-shadow: var(--glow-cyan);
    border: 1px solid var(--accent-cyan);
}

.btn-primary:hover {
    background-color: transparent;
    color: var(--accent-cyan);
    box-shadow: 0 0 20px rgba(0, 240, 255, 0.4);
}

.btn-secondary {
    background-color: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    border-color: var(--accent-cyan);
    color: var(--accent-cyan);
    box-shadow: var(--glow-cyan);
}

.btn-full {
    width: 100%;
}

.badge {
    display: inline-block;
    padding: 0.25rem 0.6rem;
    font-size: 0.7rem;
    font-weight: 700;
    font-family: var(--font-mono);
    border-radius: 2px;
    letter-spacing: 0.05em;
}

.badge-success {
    background-color: rgba(0, 229, 163, 0.15);
    color: var(--accent-green);
    border: 1px solid rgba(0, 229, 163, 0.3);
}

/* ==========================================================================
   HEADER & NAVIGATION
   ========================================================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 70px;
    background-color: rgba(10, 11, 16, 0.7);
    border-bottom: 1px solid var(--border-color);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 3rem;
}

@media (max-width: 992px) {
    .header {
        padding: 0 1.5rem;
    }
}

.logo {
    flex: 0 0 auto;
}

.logo-link {
    display: inline-flex;
    align-items: center;
    gap: 0.7rem;
    color: var(--text-primary);
}

.logo-link:hover {
    color: var(--text-primary);
}

.logo-mark {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border: 1px solid var(--accent-cyan);
    color: var(--accent-cyan);
    font-family: var(--font-mono);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: -0.1em;
    box-shadow: var(--glow-cyan);
}

.logo-mark::before,
.logo-mark::after {
    content: '';
    position: absolute;
    width: 6px;
    height: 6px;
    background-color: var(--bg-dark);
    border: 1px solid var(--accent-cyan);
}

.logo-mark::before {
    top: -4px;
    left: -4px;
}

.logo-mark::after {
    right: -4px;
    bottom: -4px;
}

.logo-mark span + span {
    margin-left: -0.08em;
}

.logo-name {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    line-height: 1.2;
    white-space: nowrap;
}

.logo-name b {
    color: var(--accent-cyan);
    font-weight: 700;
}

.nav-menu {
    display: flex;
    gap: 2.5rem;
}

.nav-link {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-secondary);
    letter-spacing: 0.05em;
    position: relative;
    padding: 0.5rem 0;
}

.nav-num {
    color: var(--accent-cyan);
    font-size: 0.75rem;
    margin-right: 4px;
}

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

.nav-link:hover, .nav-link.active {
    color: var(--text-primary);
    text-shadow: var(--glow-cyan);
}

.nav-link:hover::after, .nav-link.active::after {
    width: 100%;
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 24px;
    height: 18px;
    z-index: 101;
}

.menu-toggle .bar {
    width: 100%;
    height: 2px;
    background-color: var(--text-primary);
    transition: var(--transition-fast);
}

@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 320px;
        height: 100vh;
        background-color: var(--bg-panel);
        border-left: 1px solid var(--border-color);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 2.5rem;
        transition: var(--transition-normal);
        z-index: 99;
    }
    
    .nav-menu.open {
        right: 0;
    }
    
    .menu-toggle.open .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    
    .menu-toggle.open .bar:nth-child(2) {
        opacity: 0;
    }
    
    .menu-toggle.open .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }
}

@media (max-width: 480px) {
    .logo-name {
        display: none;
    }
}

/* ==========================================================================
   SECTIONS GENERAL
   ========================================================================== */
.section {
    padding: 5.5rem 0;
    border-bottom: 1px solid var(--border-color);
    position: relative;
}

.section-tag {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--accent-cyan);
    letter-spacing: 0.1em;
    margin-bottom: 0.75rem;
    text-transform: uppercase;
}

.section-title {
    font-size: 2.2rem;
    font-weight: 800;
    margin-bottom: 3rem;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 40px;
    height: 3px;
    background-color: var(--accent-cyan);
    box-shadow: var(--glow-cyan);
}

/* ==========================================================================
   HERO & SYSTEM STATUS SECTION
   ========================================================================== */
.hero-section {
    padding-top: 10rem;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: radial-gradient(circle at 80% 20%, rgba(0, 240, 255, 0.03) 0%, transparent 50%),
                radial-gradient(circle at 20% 80%, rgba(0, 122, 255, 0.02) 0%, transparent 50%);
}

.hero-container {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 3rem;
    align-items: center;
}

.hero-content {
    max-width: 780px;
}

.hero-photo-frame {
    position: relative;
    width: 100%;
    aspect-ratio: 4 / 3;
    overflow: hidden;
    margin: 0;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background-color: var(--bg-panel);
    box-shadow: 0 20px 45px rgba(0, 0, 0, 0.35);
}

.hero-photo {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-photo-frame figcaption {
    position: absolute;
    right: 0.75rem;
    bottom: 0.65rem;
    padding: 0.3rem 0.5rem;
    background-color: rgba(10, 11, 16, 0.78);
    color: var(--text-secondary);
    font-family: var(--font-mono);
    font-size: 0.6rem;
    letter-spacing: 0.06em;
}

.photo-gallery {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.85rem;
}

.photo-slot {
    position: relative;
    aspect-ratio: 4 / 3;
    overflow: hidden;
    margin: 0;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background-color: var(--bg-panel);
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.22);
}

.photo-slot::before {
    content: '+';
    position: absolute;
    top: 50%;
    left: 50%;
    z-index: 0;
    transform: translate(-50%, -50%);
    color: var(--text-muted);
    font-family: var(--font-mono);
    font-size: 1.5rem;
}

.featured-photo {
    position: relative;
    z-index: 1;
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.photo-slot figcaption {
    position: absolute;
    right: 0.6rem;
    bottom: 0.5rem;
    z-index: 2;
    padding: 0.25rem 0.45rem;
    background-color: rgba(10, 11, 16, 0.78);
    color: var(--text-secondary);
    font-family: var(--font-mono);
    font-size: 0.58rem;
    letter-spacing: 0.06em;
}

@media (max-width: 576px) {
    .photo-gallery {
        gap: 0.65rem;
    }
}

@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: 3.5rem;
    }

    .hero-content {
        max-width: 780px;
    }
}

.telemetry-strip {
    grid-column: 1 / -1;
    display: flex;
    justify-content: space-between;
    gap: 2rem;
    border: 1px solid var(--border-color);
    background-color: rgba(17, 19, 25, 0.6);
    backdrop-filter: blur(6px);
    padding: 0.75rem 1.5rem;
    border-radius: 4px;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    margin-bottom: 2.5rem;
    width: 100%;
}

.telemetry-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.telemetry-label {
    color: var(--text-muted);
}

.telemetry-value {
    color: var(--text-primary);
}

.hero-content .meta-tag {
    font-family: var(--font-mono);
    color: var(--accent-cyan);
    font-size: 0.8rem;
    letter-spacing: 0.15em;
    margin-bottom: 1rem;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    letter-spacing: -0.03em;
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    .telemetry-strip {
        gap: 1rem;
        flex-wrap: wrap;
        justify-content: flex-start;
    }
}

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    max-width: 580px;
}

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

@media (max-width: 480px) {
    .hero-actions {
        flex-direction: column;
    }
}

/* ==========================================================================
   SCADA PID WIDGET SIMULATION
   ========================================================================== */
.dashboard-widget {
    background-color: var(--bg-panel);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 20px 45px rgba(0, 0, 0, 0.35);
}

.widget-header {
    background-color: var(--bg-panel-light);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.widget-title {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--text-primary);
}

.widget-body {
    padding: 1.5rem;
}

.widget-visualizer {
    display: grid;
    grid-template-rows: 140px 60px;
    gap: 0.75rem;
    margin-bottom: 1.25rem;
}

.canvas-container {
    background-color: #0b0c10;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    position: relative;
    overflow: hidden;
}

.conveyor-container {
    background-color: #0b0c10;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    overflow: hidden;
}

#pidCanvas, #conveyorCanvas {
    display: block;
    width: 100%;
    height: 100%;
}

.telemetry-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

@media (max-width: 576px) {
    .telemetry-stats {
        grid-template-columns: repeat(2, 1fr);
    }
}

.stat-card {
    background-color: rgba(24, 28, 37, 0.4);
    border: 1px solid var(--border-color);
    padding: 0.75rem;
    border-radius: 4px;
    text-align: center;
}

.stat-label {
    font-size: 0.6rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
    margin-bottom: 0.25rem;
    text-transform: uppercase;
}

.stat-value {
    font-family: var(--font-mono);
    font-size: 1.05rem;
    font-weight: 700;
}

.widget-controls {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem 1.5rem;
    margin-bottom: 1.5rem;
    border-top: 1px solid var(--border-color);
    padding-top: 1.25rem;
}

@media (max-width: 576px) {
    .widget-controls {
        grid-template-columns: 1fr;
    }
}

.control-group label {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.slider-val {
    font-family: var(--font-mono);
    color: var(--accent-cyan);
}

.control-group input[type="range"] {
    width: 100%;
    height: 4px;
    background-color: var(--bg-panel-light);
    border-radius: 2px;
    outline: none;
    -webkit-appearance: none;
    appearance: none;
}

.control-group input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 14px;
    height: 14px;
    background-color: var(--accent-cyan);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: var(--glow-cyan);
    transition: var(--transition-fast);
}

.control-group input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

.slider-desc {
    font-size: 0.65rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
}

.sim-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    align-items: center;
    border-top: 1px solid var(--border-color);
    padding-top: 1.25rem;
}

.btn-control {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 600;
    padding: 0.5rem 1rem;
    background-color: var(--bg-panel-light);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    border-radius: 4px;
    transition: var(--transition-fast);
}

.btn-control:hover {
    border-color: var(--accent-cyan);
    color: var(--accent-cyan);
}

.sim-help-text {
    font-size: 0.65rem;
    color: var(--text-muted);
    flex: 1 1 200px;
    line-height: 1.4;
}

/* ==========================================================================
   ENGINEERING SPECS SECTION (ABOUT & SKILLS)
   ========================================================================== */
.specs-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 2.5rem;
}

@media (max-width: 992px) {
    .specs-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
}

.specs-bio-card, .skills-matrix-card {
    background-color: var(--bg-panel);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2.5rem;
    position: relative;
    overflow: hidden;
}

.card-accent-border {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-cyan), var(--accent-blue));
}

.bio-title {
    font-size: 1.8rem;
    margin-bottom: 0.25rem;
}

.bio-subtitle {
    font-family: var(--font-mono);
    color: var(--accent-cyan);
    font-size: 0.8rem;
    letter-spacing: 0.05em;
    margin-bottom: 2rem;
}

.bio-text {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
}

.bio-details {
    border-top: 1px solid var(--border-color);
    margin-top: 2rem;
    padding-top: 1.5rem;
}

.detail-row {
    display: flex;
    justify-content: space-between;
    padding: 0.6rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}

.detail-row:last-child {
    border-bottom: none;
}

.detail-label {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--text-muted);
    font-weight: 700;
}

.detail-value {
    font-size: 0.85rem;
    font-weight: 600;
}

/* Skills Matrix Styling */
.matrix-header {
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1rem;
    margin-bottom: 1.5rem;
}

.matrix-header h4 {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-secondary);
    letter-spacing: 0.05em;
}

.skill-category {
    margin-bottom: 1.75rem;
}

.skill-category:last-child {
    margin-bottom: 0;
}

.skill-cat-title {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--accent-cyan);
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
}

.skill-tag {
    background-color: var(--bg-panel-light);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 0.75rem;
    padding: 0.4rem 0.8rem;
    border-radius: 4px;
    font-family: var(--font-mono);
    transition: var(--transition-fast);
}

.skill-tag:hover {
    border-color: var(--accent-cyan);
    color: var(--text-primary);
    box-shadow: 0 0 10px rgba(0, 240, 255, 0.1);
}

/* ==========================================================================
   EXPERIENCE TIMELINE
   ========================================================================== */
.timeline {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
    padding: 2rem 0;
}

.timeline-line {
    position: absolute;
    top: 0;
    left: 20px;
    width: 2px;
    height: 100%;
    background-color: var(--border-color);
}

.timeline-item {
    position: relative;
    padding-left: 60px;
    margin-bottom: 3.5rem;
}

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

.timeline-dot {
    position: absolute;
    left: 12px;
    top: 6px;
    width: 18px;
    height: 18px;
    background-color: var(--bg-dark);
    border: 3px solid var(--accent-cyan);
    border-radius: 50%;
    box-shadow: var(--glow-cyan);
    z-index: 10;
}

.timeline-item:hover .timeline-dot {
    background-color: var(--accent-cyan);
}

.timeline-date {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--accent-cyan);
    margin-bottom: 0.5rem;
}

.timeline-content {
    background-color: var(--bg-panel);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
    transition: var(--transition-normal);
}

.timeline-content:hover {
    border-color: var(--border-color-active);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.timeline-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 1rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1rem;
    margin-bottom: 1.25rem;
}

.role-title {
    font-size: 1.35rem;
    margin-bottom: 0.25rem;
}

.company-name {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.location-badge {
    font-size: 0.75rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.timeline-project-meta {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--accent-orange);
    margin-bottom: 1rem;
    letter-spacing: 0.02em;
}

.timeline-bullets {
    padding-left: 1.25rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.timeline-bullets li {
    margin-bottom: 0.75rem;
}

.timeline-bullets li:last-child {
    margin-bottom: 0;
}

/* ==========================================================================
   PROJECTS COMMISSIONING GRID
   ========================================================================== */
.projects-filters {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3.5rem;
    flex-wrap: wrap;
}

.filter-btn {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--text-secondary);
    background-color: var(--bg-panel);
    border: 1px solid var(--border-color);
    padding: 0.6rem 1.2rem;
    border-radius: 4px;
    transition: var(--transition-fast);
    letter-spacing: 0.05em;
}

.filter-btn:hover, .filter-btn.active {
    color: var(--accent-cyan);
    border-color: var(--accent-cyan);
    box-shadow: var(--glow-cyan);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

@media (max-width: 1200px) {
    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

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

.project-card {
    background-color: var(--bg-panel);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: var(--transition-normal);
}

.project-card:hover {
    transform: translateY(-5px);
    border-color: var(--border-color-active);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4);
}

.project-img-placeholder {
    height: 180px;
    background-color: #0b0c10;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.project-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    opacity: 0.82;
    transition: var(--transition-normal);
}

.project-img-placeholder::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(10, 11, 16, 0.05) 35%, rgba(10, 11, 16, 0.78) 100%);
    pointer-events: none;
}

.project-card:hover .project-image {
    opacity: 1;
    transform: scale(1.04);
}

.project-icon {
    font-size: 3.5rem;
    color: rgba(255, 255, 255, 0.03);
    transition: var(--transition-normal);
}

.project-card:hover .project-icon {
    color: rgba(0, 240, 255, 0.08);
    transform: scale(1.1);
}

.tech-overlay {
    position: absolute;
    bottom: 12px;
    left: 12px;
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: var(--text-muted);
    letter-spacing: 0.05em;
}

.project-body {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.project-meta-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
}

.project-year {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--text-muted);
}

.project-tag-pill {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    font-weight: 700;
    background-color: rgba(0, 240, 255, 0.08);
    color: var(--accent-cyan);
    padding: 0.2rem 0.5rem;
    border-radius: 2px;
    border: 1px solid rgba(0, 240, 255, 0.2);
}

.project-title {
    font-size: 1.15rem;
    margin-bottom: 0.75rem;
    line-height: 1.4;
}

.project-desc {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 1.25rem;
}

.project-specs-table {
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    padding: 0.75rem 0;
    margin-bottom: 1.25rem;
}

.p-spec-row {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    margin-bottom: 0.4rem;
}

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

.p-spec-lbl {
    color: var(--text-muted);
    font-family: var(--font-mono);
}

.p-spec-val {
    color: var(--text-primary);
    font-weight: 600;
}

.project-bullets {
    padding-left: 1rem;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.project-bullets li {
    margin-bottom: 0.5rem;
}

.project-bullets li:last-child {
    margin-bottom: 0;
}

/* =text animation for hide project filter */
.project-card.hide {
    display: none;
}

/* ==========================================================================
   AWARDS, EDUCATION & CREDENTIALS SECTION
   ========================================================================== */
.meta-info-section {
    background-color: #0b0c10;
}

.meta-section-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
}

@media (max-width: 992px) {
    .meta-section-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
}

.meta-info-card {
    background-color: var(--bg-panel);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2.5rem;
}

.meta-card-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1.25rem;
    margin-bottom: 1.75rem;
}

.meta-card-header h3 {
    font-family: var(--font-mono);
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: 0.05em;
}

.meta-card-header i {
    font-size: 1.25rem;
}

.award-item {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

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

.award-badge {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.4rem 0.8rem;
    background-color: rgba(255, 159, 28, 0.08);
    border: 1px solid rgba(255, 159, 28, 0.2);
    color: var(--accent-orange);
    border-radius: 4px;
    height: fit-content;
    white-space: nowrap;
}

.award-name {
    font-size: 1rem;
    margin-bottom: 0.35rem;
}

.award-desc {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.edu-item, .cert-item {
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1.25rem;
    margin-bottom: 1.25rem;
}

.edu-item:last-child, .cert-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
    margin-bottom: 0;
}

.edu-title, .cert-title {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.edu-subtitle, .cert-subtitle {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--accent-cyan);
    margin-bottom: 0.25rem;
}

.edu-meta {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.cert-desc {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* ==========================================================================
   CONTACT SECTION (CONTROL ROOM)
   ========================================================================== */
.contact-links-card {
    width: 100%;
    max-width: 960px;
    margin: 0 auto;
    padding: 2rem;
    background-color: var(--bg-panel);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    position: relative;
}

.contact-links-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background-color: var(--accent-cyan);
    box-shadow: var(--glow-cyan);
}

.contact-intro {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

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

.contact-link {
    flex: 1 1 210px;
    display: flex;
    align-items: center;
    gap: 0.85rem;
    padding: 1rem;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
}

.contact-link i {
    width: 1.25rem;
    color: var(--accent-cyan);
    text-align: center;
}

.contact-link span {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    overflow-wrap: anywhere;
}

.contact-link strong {
    color: var(--text-primary);
    font-size: 0.8rem;
}

.contact-link:hover {
    color: var(--accent-cyan);
    border-color: var(--border-color-active);
    box-shadow: var(--glow-cyan);
}

.contact-grid {
    display: grid;
    grid-template-columns: 0.95fr 1.05fr;
    gap: 3.5rem;
    align-items: stretch;
}

@media (max-width: 992px) {
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
}

.terminal-card {
    background-color: rgba(11, 12, 16, 0.6);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.terminal-header {
    background-color: var(--bg-panel-light);
    border-bottom: 1px solid var(--border-color);
    padding: 0.75rem 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.terminal-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.terminal-dot.red { background-color: #ff5f56; }
.terminal-dot.yellow { background-color: #ffbd2e; }
.terminal-dot.green { background-color: #27c93f; }

.terminal-title {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--text-muted);
    margin-left: 0.5rem;
}

.terminal-body {
    padding: 1.5rem;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-secondary);
    line-height: 1.7;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.term-line {
    margin-bottom: 0.75rem;
}

.term-prompt {
    color: var(--accent-cyan);
}

.term-output {
    background-color: rgba(255, 255, 255, 0.01);
    border: 1px dashed var(--border-color);
    padding: 1rem;
    border-radius: 4px;
    margin-bottom: 1.25rem;
    white-space: pre-wrap;
}

.term-key {
    color: var(--accent-cyan);
}

.term-val {
    color: var(--text-primary);
}

.term-link {
    color: var(--accent-orange);
    border-bottom: 1px dashed var(--accent-orange);
}

.term-link:hover {
    color: var(--text-primary);
    border-color: var(--text-primary);
}

.term-socials {
    display: flex;
    flex-wrap: wrap;
    gap: 1.25rem;
    margin-top: auto;
    border-top: 1px solid var(--border-color);
    padding-top: 1.25rem;
}

.term-social-link {
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.75rem;
    transition: var(--transition-fast);
}

.term-social-link:hover {
    color: var(--accent-cyan);
    text-shadow: var(--glow-cyan);
}

/* Contact Form Card */
.contact-form-card {
    background-color: var(--bg-panel);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2.5rem;
    position: relative;
    display: flex;
    flex-direction: column;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.form-title {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--accent-cyan);
    margin-bottom: 0.5rem;
    letter-spacing: 0.05em;
}

.form-row-two {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
}

@media (max-width: 576px) {
    .form-row-two {
        grid-template-columns: 1fr;
    }
}

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

.form-group label {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    font-weight: 700;
    color: var(--text-muted);
}

.form-group input, .form-group textarea {
    background-color: var(--bg-panel-light);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.75rem 1rem;
    border-radius: 4px;
    font-family: var(--font-sans);
    font-size: 0.9rem;
    transition: var(--transition-fast);
}

.form-group textarea {
    resize: vertical;
}

.form-group input:focus, .form-group textarea:focus {
    border-color: var(--accent-cyan);
    box-shadow: 0 0 10px rgba(0, 240, 255, 0.15);
    outline: none;
}

/* Form Feedback Panel */
.form-feedback-panel {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(17, 19, 25, 0.95);
    border-radius: 4px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2.5rem;
    text-align: center;
    z-index: 10;
    transition: var(--transition-normal);
}

.form-feedback-panel.hidden {
    opacity: 0;
    pointer-events: none;
}

.feedback-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(0, 240, 255, 0.1);
    border-top: 3px solid var(--accent-cyan);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 1.5rem;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.feedback-title {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: var(--accent-cyan);
    margin-bottom: 0.5rem;
}

.feedback-body {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.footer {
    border-top: 1px solid var(--border-color);
    background-color: var(--bg-dark);
    padding: 2.5rem 0;
}

.footer-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-copy {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.footer-badge {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--text-muted);
    border: 1px solid var(--border-color);
    padding: 0.25rem 0.5rem;
    border-radius: 2px;
}