:root {
    /* NASA / Aerospace Palette */
    --bg-main: #020203; /* Deep space black */
    --bg-alt: #0a0a0c;
    --bg-panel: rgba(15, 15, 20, 0.8);
    --border-color: rgba(255, 255, 255, 0.15);
    
    --primary: #0B3D91; /* NASA Blue */
    --primary-light: #4A90E2; 
    
    --accent: #FC3D21; /* NASA Red */
    
    --success: #00FF66; /* Telemetry Green */
    --warning: #FFB300; /* Warning Yellow */
    --danger: #FF0033;  /* Critical Red */
    
    --text-main: #FFFFFF;
    --text-muted: #8892B0;
    
    /* Typography */
    --font-sans: 'Inter', 'Helvetica Neue', Helvetica, Arial, sans-serif;
    --font-mono: 'JetBrains Mono', 'Courier New', monospace;
}

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

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-main);
    color: var(--text-main);
    font-family: var(--font-sans);
    line-height: 1.6;
    /* Subtle telemetry grid background */
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
}

body.locked {
    overflow: hidden;
}

/* --- Typography Utilities --- */
h1, h2, h3, h4 { 
    font-weight: 600; 
    line-height: 1.2; 
    text-transform: uppercase;
    letter-spacing: 2px;
}
.text-cyan { color: var(--primary-light); }
.text-green { color: var(--success); }
.text-red { color: var(--danger); }
.text-muted { color: var(--text-muted); }
.text-center { text-align: center; }
.text-left { text-align: left; }

.mt-2 { margin-top: 0.5rem; }
.mt-4 { margin-top: 1.5rem; }
.mb-4 { margin-bottom: 1.5rem; }
.mx-auto { margin-left: auto; margin-right: auto; }

/* --- Sharp Technical Panels (Replacing Glassmorphism) --- */
.glass {
    background: var(--bg-panel);
    border: 1px solid var(--border-color);
    /* Removing heavy blur, replacing with sharp technical borders */
    border-radius: 0; 
    position: relative;
}
/* Corner accents for that high-tech HUD look */
.glass::before, .glass::after {
    content: '';
    position: absolute;
    width: 10px; height: 10px;
    border-color: var(--accent);
    border-style: solid;
    pointer-events: none;
}
.glass::before { top: -1px; left: -1px; border-width: 2px 0 0 2px; }
.glass::after { bottom: -1px; right: -1px; border-width: 0 2px 2px 0; }

/* --- Buttons --- */
.btn {
    padding: 0.75rem 2rem;
    border-radius: 0;
    font-family: var(--font-mono);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.2s ease;
    border: 1px solid transparent;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    text-decoration: none;
}

.primary-btn {
    background: transparent;
    color: var(--accent);
    border: 1px solid var(--accent);
}
.primary-btn:hover {
    background: rgba(252, 61, 33, 0.1);
    box-shadow: 0 0 10px rgba(252, 61, 33, 0.3);
}

.outline-btn {
    background: transparent;
    color: var(--text-main);
    border: 1px solid var(--border-color);
}
.outline-btn:hover {
    background: rgba(255, 255, 255, 0.05);
}

.warning-btn {
    background: transparent;
    color: var(--warning);
    border: 1px solid var(--warning);
}
.warning-btn:hover {
    background: rgba(255, 179, 0, 0.1);
}

.btn-sm {
    padding: 0.4rem 1rem;
    font-size: 0.8rem;
}

/* --- Terminal Landing (Lock) --- */
.full-screen-section {
    position: fixed;
    top: 0; left: 0;
    width: 100vw;
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    background: #000;
    transition: transform 0.8s cubic-bezier(0.85, 0, 0.15, 1); /* Sharp mechanical slide */
}

.full-screen-section.unlocked {
    transform: translateY(-100%);
    pointer-events: none;
}

/* --- Portfolio Content --- */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.content-section {
    padding: 8rem 0;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.alternate-bg {
    background-color: var(--bg-alt);
}

/* Navigation */
.glass-nav {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: var(--bg-main);
    border-bottom: 1px solid var(--border-color);
    padding: 1.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand {
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: 3px;
    text-transform: uppercase;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}
.nav-brand .logo-accent { color: var(--accent); }

.nav-links a {
    color: var(--text-muted);
    text-decoration: none;
    margin-left: 2.5rem;
    font-size: 0.85rem;
    font-family: var(--font-mono);
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: color 0.2s;
}
.nav-links a:hover {
    color: var(--text-main);
}

/* Intro Section */
.resume-name {
    font-size: 5rem;
    letter-spacing: 10px;
    margin-bottom: 1rem;
    background: linear-gradient(to right, #fff, #8892B0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.landing-stats {
    display: flex;
    gap: 4rem;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}
.landing-stats .stat {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-muted);
}
.landing-stats .stat i { color: var(--accent); font-size: 1.2rem; }

/* Company Badges */
.company-badge {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 1.25rem 1rem;
    background: rgba(11, 61, 145, 0.05);
    border: 1px solid rgba(74, 144, 226, 0.2);
    color: var(--text-muted);
    font-family: var(--font-mono);
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.company-badge::before {
    content: '';
    position: absolute;
    top: 0; left: -100%;
    width: 50%; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(74,144,226,0.1), transparent);
    transition: left 0.5s ease;
}

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

.company-badge:hover {
    background: rgba(11, 61, 145, 0.2);
    border-color: var(--primary-light);
    color: var(--text-main);
    box-shadow: 0 0 20px rgba(74, 144, 226, 0.2);
    transform: translateY(-3px);
}

.company-badge i {
    color: var(--accent);
    font-size: 1.1rem;
    opacity: 0.8;
    transition: all 0.3s ease;
}

.company-badge:hover i {
    opacity: 1;
    text-shadow: 0 0 10px var(--accent);
}

/* Showcase Grid */
.showcase-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}
.showcase-grid.reverse {
    direction: rtl;
}
.showcase-grid.reverse > * {
    direction: ltr;
}

.section-badge {
    color: var(--primary-light);
    font-family: var(--font-mono);
    font-size: 0.85rem;
    margin-bottom: 1rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    display: inline-block;
    border-bottom: 1px solid var(--primary-light);
    padding-bottom: 5px;
}
.showcase-text h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    letter-spacing: 3px;
}
.feature-list {
    list-style: none;
    font-family: var(--font-mono);
    font-size: 0.9rem;
}
.feature-list li {
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    color: var(--text-muted);
}
.feature-list li i { color: var(--success); }

/* --- Terminal Elements --- */
.terminal {
    background: #000;
    border: 1px solid var(--border-color);
    overflow: hidden;
    font-family: var(--font-mono);
    position: relative;
}
.terminal-header {
    background: rgba(255,255,255,0.05);
    padding: 0.75rem 1rem;
    display: flex; justify-content: space-between; align-items: center;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}
.terminal-header .title {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
}
.terminal-header .status-dots {
    display: flex; gap: 5px;
}
.terminal-header .dot { width: 8px; height: 8px; background: var(--text-muted); }

.terminal-body {
    padding: 1.5rem;
    color: var(--success); /* Classic green terminal text */
}

/* --- CI/CD Pipeline --- */
.pipeline-stages {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 2rem;
    border: 1px solid var(--border-color);
}
.stage {
    display: flex; flex-direction: column; align-items: center;
    color: var(--text-muted);
}
.stage-icon {
    width: 60px; height: 60px;
    background: var(--bg-alt);
    border: 1px solid var(--border-color);
    display: flex; justify-content: center; align-items: center;
    font-size: 1.5rem;
    transition: all 0.3s ease;
}
.stage-line {
    flex: 1; height: 1px; background: var(--border-color); margin: 0 15px;
    position: relative;
}
/* The dot moving along the line */
.stage-line::after {
    content: ''; position: absolute; top: -3px; left: 0; width: 7px; height: 7px;
    background: var(--primary-light); opacity: 0;
}
.stage.running + .stage-line::after {
    opacity: 1;
    animation: moveDot 1.5s linear infinite;
}
@keyframes moveDot { 100% { left: 100%; } }

.stage.running .stage-icon { border-color: var(--primary-light); color: var(--primary-light); }
.stage.success .stage-icon { border-color: var(--success); color: var(--success); }

/* --- Monitoring Charts --- */
.badge {
    padding: 0.25rem 0.75rem;
    font-size: 0.7rem;
    font-weight: 600;
    font-family: var(--font-mono);
    text-transform: uppercase;
    letter-spacing: 1px;
    border: 1px solid;
}
.badge.healthy { background: rgba(0, 255, 102, 0.1); color: var(--success); border-color: var(--success); }
.badge.warning { background: rgba(255, 179, 0, 0.1); color: var(--warning); border-color: var(--warning); }
.badge.critical { background: rgba(255, 0, 51, 0.1); color: var(--danger); border-color: var(--danger); }

.chart-mockup {
    background-size: cover;
    background-position: center;
    opacity: 0.8;
    margin-top: 1rem;
    position: relative;
}
/* Technical grid on charts */
.chart-mockup::before {
    content: ''; position: absolute; top:0; left:0; right:0; bottom:0;
    background-image: linear-gradient(rgba(255,255,255,0.05) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.05) 1px, transparent 1px);
    background-size: 10px 10px;
    pointer-events: none;
}
.lat-chart { background: linear-gradient(0deg, rgba(255,179,0,0) 0%, rgba(255,179,0,0.2) 100%); border-bottom: 2px solid var(--warning); transition: all 0.5s;}
.cpu-chart { background: linear-gradient(0deg, rgba(74,144,226,0) 0%, rgba(74,144,226,0.2) 100%); border-bottom: 2px solid var(--primary-light); transition: all 0.5s;}

.lat-chart.incident { background: linear-gradient(0deg, rgba(255,0,51,0) 0%, rgba(255,0,51,0.3) 100%); border-bottom: 2px solid var(--danger); height: 80px !important;}

/* --- Architecture Diagram --- */
.arch-node {
    padding: 1rem 2rem;
    background: var(--bg-alt);
    border: 1px solid var(--primary-light);
    min-width: 300px;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    font-size: 0.85rem;
}
.arch-line.vertical { width: 1px; height: 40px; background: var(--primary-light); margin: 0 auto;}
.arch-cluster {
    border: 1px solid rgba(74, 144, 226, 0.3);
    padding: 2rem;
    background: rgba(74, 144, 226, 0.02);
}
.cluster-title { margin-bottom: 1.5rem; font-weight: 600; color: var(--primary-light); letter-spacing: 2px; font-size: 0.9rem;}
.pod-row { display: flex; gap: 1.5rem; justify-content: center; }
.arch-pod { padding: 0.75rem 1.5rem; background: rgba(0, 255, 102, 0.05); border: 1px solid var(--success); font-size: 0.8rem; letter-spacing: 1px; font-family: var(--font-mono);}

/* --- Resume Timeline --- */
.interactive-timeline { margin-top: 2rem; }
.timeline-item {
    display: flex; align-items: center; gap: 1.5rem;
    cursor: pointer; padding: 1rem;
    border: 1px solid transparent;
    transition: all 0.2s;
}
.timeline-item:hover { background: rgba(255,255,255,0.02); border-color: rgba(255,255,255,0.05); }
.timeline-dot { width: 8px; height: 8px; background: var(--border-color); position: relative; }
.timeline-dot::after {
    content: ''; position: absolute; top: -10px; bottom: -30px; left: 3px; width: 1px; background: var(--border-color); z-index: -1;
}
.timeline-item:last-child .timeline-dot::after { display: none; }
.timeline-item:hover .timeline-dot, .timeline-item.active .timeline-dot { background: var(--accent); box-shadow: 0 0 10px var(--accent); }
.timeline-item.active { border-color: rgba(252, 61, 33, 0.2); background: rgba(252, 61, 33, 0.02); }
.timeline-content { font-weight: 500; font-family: var(--font-mono); font-size: 0.9rem; text-transform: uppercase; letter-spacing: 1px; }

.skill-category .tag {
    background: transparent;
    border: 1px solid var(--text-muted);
    padding: 0.4rem 1rem;
    font-size: 0.75rem;
    font-family: var(--font-mono);
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
}
.skill-category .tag:hover {
    border-color: var(--text-main);
    color: var(--text-main);
}

@media (max-width: 768px) {
    /* Layout & Spacing */
    .container { padding: 0 1rem; }
    .content-section { padding: 4rem 0; }
    
    /* Navigation */
    .glass-nav { flex-direction: column; padding: 1rem; }
    .nav-brand { margin-bottom: 1rem; font-size: 1.1rem; }
    .nav-links { display: flex; flex-wrap: wrap; justify-content: center; gap: 0.8rem; width: 100%; }
    .nav-links a { margin-left: 0; font-size: 0.75rem; text-align: center; }
    .nav-links .btn { margin-left: 0 !important; width: 100%; margin-top: 0.5rem; }

    /* Intro */
    .resume-name { font-size: 2.5rem; letter-spacing: 3px; }
    .landing-stats { flex-direction: column; gap: 1rem; align-items: flex-start; }
    h2 { font-size: 1.8rem !important; margin-bottom: 1rem !important; }

    /* Showcase Grids */
    .showcase-grid { grid-template-columns: 1fr; gap: 2.5rem; }
    .showcase-grid.reverse { direction: ltr; }

    /* Telemetry / Dashboard */
    .monitoring-dashboard > div:nth-child(2) { grid-template-columns: 1fr !important; }
    
    /* Architecture Diagram */
    .architecture-diagram { 
        padding: 1.5rem !important; 
        width: 100%; 
        overflow-x: auto; /* allows scrolling if still too wide */
    }
    .arch-node { min-width: 100%; padding: 0.75rem 1rem; font-size: 0.75rem; }
    .architecture-diagram > div[style*="display: flex"] { flex-direction: column; gap: 1rem !important; }
    .pod-row { flex-direction: column; gap: 0.5rem; }

    /* Resume Section */
    .resume-body { grid-template-columns: 1fr !important; gap: 3rem !important; }
    .resume-container { padding: 1.5rem !important; }
    
    /* Pipeline */
    .pipeline-stages { padding: 1rem; overflow-x: auto; justify-content: flex-start; }
    .stage-icon { width: 40px; height: 40px; font-size: 1rem; }
    
    /* Terminal Landing */
    .terminal-header .title { font-size: 0.65rem; }
    .terminal-input-line { flex-wrap: wrap; }
    .terminal-input-line span { margin-bottom: 0.5rem; width: 100%; white-space: normal; }
    
    /* Footer */
    .contact-buttons { flex-direction: column; width: 100%; }
    .contact-buttons .btn { width: 100%; }
}