/* --- Tactical Monochrome Terminal Palette Configuration --- */
:root {
	--bg-main: #030708; /* Deep militaristic void black */
	--bg-panel: #060d11; /* Hard outline panel dark slate */
	--bg-panel-light: #0d1a22; /* Interactive focus element tint */
	--neon-green: #00ff66; /* Critical active tactical green glow */
	--neon-green-dim: #003315; /* Background text metrics shadow tint */
	--text-primary: #e2e8f0; /* Standard white reading console font */
	--text-dim: #64748b; /* Monospace debug info gray tag text */
	--border-glow: rgba(0, 255, 102, 0.15);
	--font-mono: "Courier New", Courier, monospace;
}

/* --- Global Diagnostic Utilities --- */
* {
	margin: 0;
	padding: 0;
	box-sizing: border-box;
}

html {
	scroll-behavior: smooth;
	background-color: var(--bg-main);
	color: var(--text-primary);
	font-family: var(--font-mono);
}

body {
	overflow-x: hidden;
}

.container {
	width: 90%;
	max-width: 1200px;
	margin: 0 auto;
}

.section {
	padding: 100px 0;
	position: relative;
}

/* --- Arcsoft Diagnostic Overlays --- */
.grid-overlay {
	position: fixed;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	background-image:
		linear-gradient(rgba(0, 255, 102, 0.015) 1px, transparent 1px),
		linear-gradient(90deg, rgba(0, 255, 102, 0.015) 1px, transparent 1px);
	background-size: 30px 30px;
	pointer-events: none;
	z-index: 999;
}

.scanline {
	position: fixed;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	background:
		linear-gradient(rgba(18, 16, 16, 0) 50%, rgba(0, 0, 0, 0.25) 50%),
		linear-gradient(
			90deg,
			rgba(255, 0, 0, 0.03),
			rgba(0, 255, 0, 0.01),
			rgba(0, 0, 255, 0.03)
		);
	background-size:
		100% 4px,
		6px 100%;
	pointer-events: none;
	z-index: 1000;
}

/* --- Tactical Framed Content Container Box --- */
.frame-box {
	background-color: var(--bg-panel);
	border: 1px solid #142c33;
	position: relative;
	border-radius: 2px;
}

.frame-box::before {
	content: "";
	position: absolute;
	top: -1px;
	left: -1px;
	width: 10px;
	height: 10px;
	border-top: 2px solid var(--neon-green);
	border-left: 2px solid var(--neon-green);
}

.frame-box::after {
	content: "";
	position: absolute;
	bottom: -1px;
	right: -1px;
	width: 10px;
	height: 10px;
	border-bottom: 2px solid var(--neon-green);
	border-right: 2px solid var(--neon-green);
}

/* --- Section Title Formatting Blocks --- */
.frame-header {
	margin-bottom: 50px;
	border-left: 3px solid var(--neon-green);
	padding-left: 15px;
}

.frame-tag {
	font-size: 0.8rem;
	color: var(--neon-green);
	letter-spacing: 2px;
	display: block;
	margin-bottom: 5px;
}

.section-title {
	font-size: 2rem;
	font-weight: 800;
	letter-spacing: -1px;
}

.highlight {
	color: var(--neon-green);
	text-shadow: 0 0 10px var(--border-glow);
}

/* --- Command Terminal Control Buttons --- */
.btn-primary,
.btn-secondary,
.btn-tactical {
	font-family: var(--font-mono);
	text-decoration: none;
	font-weight: bold;
	font-size: 0.95rem;
	transition: all 0.2s ease;
	display: inline-block;
}

.btn-primary {
	color: var(--neon-green);
	background-color: var(--neon-green-dim);
	border: 1px solid var(--neon-green);
	padding: 12px 25px;
}

.btn-primary:hover {
	background-color: var(--neon-green);
	color: var(--bg-main);
	box-shadow: 0 0 15px var(--neon-green);
}

.btn-secondary {
	color: var(--text-dim);
	border: 1px solid var(--bg-panel-light);
	padding: 12px 25px;
}

.btn-secondary:hover {
	color: var(--text-primary);
	border-color: var(--text-dim);
	background-color: rgba(255, 255, 255, 0.02);
}

.btn-tactical {
	color: var(--neon-green);
	border: 1px solid var(--neon-green);
	padding: 6px 15px;
	font-size: 0.8rem;
}

.btn-tactical:hover {
	background-color: rgba(0, 255, 102, 0.1);
}

/* --- Nav Menu Layout --- */
.navbar {
	position: fixed;
	top: 0;
	width: 100%;
	background-color: rgba(3, 7, 8, 0.9);
	border-bottom: 1px solid #142c33;
	z-index: 1001;
}

.nav-container {
	display: flex;
	justify-content: space-between;
	align-items: center;
	height: 65px;
	width: 95%;
	max-width: 1400px;
	margin: 0 auto;
}

.logo {
	color: var(--text-primary);
	text-decoration: none;
	font-weight: bold;
	font-size: 1.1rem;
	letter-spacing: 1px;
}

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

.system-status {
	display: flex;
	align-items: center;
	gap: 8px;
	font-size: 0.75rem;
	color: var(--text-dim);
}

.status-dot {
	width: 6px;
	height: 6px;
	background-color: var(--neon-green);
	border-radius: 50%;
	box-shadow: 0 0 8px var(--neon-green);
}

.animate-pulse {
	animation: pulse 1.5s infinite alternate;
}

@keyframes pulse {
	0% {
		opacity: 0.3;
	}
	100% {
		opacity: 1;
	}
}

.nav-links {
	display: flex;
	align-items: center;
	list-style: none;
	gap: 25px;
}

.nav-links a {
	color: var(--text-dim);
	text-decoration: none;
	font-size: 0.85rem;
	font-weight: 600;
}

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

/* --- Main Terminal Window UI --- */
.hero {
	height: 100vh;
	display: flex;
	align-items: center;
	justify-content: center;
	padding: 0 20px;
}

.hero-content {
	width: 100%;
	max-width: 800px;
	background-color: var(--bg-panel);
	border: 1px solid #142c33;
	box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
}

.terminal-header {
	background-color: #081218;
	padding: 10px 15px;
	border-bottom: 1px solid #142c33;
	display: flex;
	align-items: center;
	gap: 8px;
}

.terminal-dot {
	width: 8px;
	height: 8px;
	border-radius: 50%;
}

.terminal-dot.red {
	background-color: #ef4444;
}
.terminal-dot.yellow {
	background-color: #eab308;
}
.terminal-dot.green {
	background-color: #22c55e;
}

.terminal-title {
	font-size: 0.75rem;
	color: var(--text-dim);
	margin-left: 10px;
}

.terminal-body {
	padding: 35px;
	text-align: left;
}

.terminal-line {
	font-size: 0.85rem;
	color: var(--text-dim);
	margin-bottom: 8px;
}

.prompt {
	color: var(--neon-green);
}

.hero-content h1 {
	font-size: 2.8rem;
	margin: 20px 0;
	font-weight: 800;
}

.hero-desc {
	color: var(--text-primary);
	font-size: 1rem;
	line-height: 1.6;
	margin-bottom: 35px;
	border-left: 2px solid #142c33;
	padding-left: 15px;
}

.hero-buttons {
	display: flex;
	gap: 15px;
}

/* --- Metrics Grid Layout --- */
.about-grid {
	display: grid;
	grid-template-columns: 1.2fr 0.8fr;
	gap: 30px;
}

.about-text {
	padding: 30px;
	font-size: 1rem;
	color: var(--text-primary);
	line-height: 1.7;
}

.about-text p {
	margin-bottom: 20px;
}

.stats-grid {
	display: flex;
	flex-direction: column;
	gap: 20px;
}

.stat-card {
	padding: 25px;
	background-color: var(--bg-panel);
}

.stat-title {
	font-size: 0.75rem;
	color: var(--text-dim);
	letter-spacing: 1px;
}

.stat-value {
	font-size: 2.5rem;
	font-weight: 800;
	color: var(--neon-green);
	margin: 5px 0;
}

.stat-desc {
	font-size: 0.7rem;
	color: var(--text-dim);
}

/* --- System Modules Component List --- */
.skills-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
	gap: 25px;
}

.skill-category {
	padding: 30px;
}

.skill-category h3 {
	font-size: 1.1rem;
	color: var(--text-primary);
	margin-bottom: 20px;
	display: flex;
	align-items: center;
	gap: 10px;
	border-bottom: 1px solid #142c33;
	padding-bottom: 10px;
}

.skill-category h3 i {
	color: var(--neon-green);
}

.skill-category ul {
	list-style: none;
}

.skill-category li {
	margin-bottom: 12px;
	font-size: 0.9rem;
	color: var(--text-dim);
	display: flex;
	align-items: center;
	gap: 8px;
}

.skill-category li::before {
	content: ">>";
	color: var(--neon-green);
	font-size: 0.8rem;
}

/* --- Secure Archive Project Cards --- */
.filter-buttons {
	display: flex;
	gap: 15px;
	margin-bottom: 40px;
}

.filter-btn {
	background-color: transparent;
	color: var(--text-dim);
	border: 1px solid #142c33;
	padding: 8px 18px;
	font-family: var(--font-mono);
	cursor: pointer;
	font-size: 0.85rem;
}

.filter-btn.active,
.filter-btn:hover {
	color: var(--neon-green);
	border-color: var(--neon-green);
	background-color: var(--neon-green-dim);
}

.project-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
	gap: 30px;
}

.project-card {
	transition: all 0.3s ease;
}

.project-card:hover {
	border-color: var(--neon-green);
	box-shadow: 0 5px 20px rgba(0, 255, 102, 0.05);
}

.project-media {
	position: relative;
	border-bottom: 1px solid #142c33;
	overflow: hidden;
}

.project-media img {
	width: 100%;
	height: 200px;
	object-fit: cover;
	display: block;
	opacity: 0.7;
	filter: grayscale(30%) contrast(110%);
	transition: all 0.3s ease;
}

.project-card:hover .project-media img {
	opacity: 1;
	filter: grayscale(0%);
}

.media-overlay-text {
	position: absolute;
	bottom: 10px;
	left: 10px;
	font-size: 0.65rem;
	background-color: rgba(3, 7, 8, 0.85);
	padding: 3px 8px;
	border: 1px solid #142c33;
	color: var(--neon-green);
}

.project-info {
	padding: 25px;
}

.project-tag {
	font-size: 0.75rem;
	color: var(--neon-green);
	border: 1px solid var(--neon-green);
	padding: 2px 8px;
	display: inline-block;
	margin-bottom: 15px;
	background-color: var(--neon-green-dim);
}

.project-info h3 {
	font-size: 1.25rem;
	margin-bottom: 10px;
}

.project-info p {
	color: var(--text-dim);
	font-size: 0.85rem;
	line-height: 1.6;
	margin-bottom: 20px;
}
.project-links a {
	color: var(--neon-green);
	text-decoration: none;
	font-size: 0.85rem;
	font-weight: bold;
	display: inline-flex;
	align-items: center;
	gap: 8px;
} /* --- Contact & Terminal Scanline Animation --- */
.contact-container {
	padding: 60px 40px;
	text-align: center;
	overflow: hidden;
}
.scanner-line {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 2px;
	background: linear-gradient(
		90deg,
		transparent,
		var(--neon-green),
		transparent
	);
	animation: scanVertical 6s linear infinite;
}
@keyframes scanVertical {
	0% {
		top: 0%;
	}
	50% {
		top: 100%;
	}
	100% {
		top: 0%;
	}
}
.contact-subtext {
	color: var(--text-dim);
	font-size: 0.95rem;
	margin-bottom: 40px;
}
.contact-methods {
	display: flex;
	justify-content: center;
	gap: 30px;
	margin-bottom: 40px;
	flex-wrap: wrap;
}
.contact-item {
	font-size: 0.9rem;
	border: 1px solid #142c33;
	background-color: #04090c;
	padding: 15px 25px;
	display: flex;
	align-items: center;
	gap: 12px;
}
.contact-item i {
	color: var(--neon-green);
}
.social-links {
	display: flex;
	justify-content: center;
	gap: 15px;
}
.social-links a {
	width: 45px;
	height: 45px;
	border: 1px solid #142c33;
	background-color: #04090c;
	color: var(--text-primary);
	display: flex;
	align-items: center;
	justify-content: center;
	text-decoration: none;
	font-size: 1.2rem;
	transition: all 0.2s ease;
}
.social-links a:hover {
	color: var(--neon-green);
	border-color: var(--neon-green);
	box-shadow: 0 0 10px var(--border-glow);
	transform: translateY(-3px);
} /* --- Footer --- */
.footer {
	text-align: center;
	padding: 40px;
	font-size: 0.75rem;
	color: var(--text-dim);
	border-top: 1px solid #142c33;
} /* --- Mobile Adaptive Core Constraints --- */
@media (max-width: 900px) {
	.about-grid {
		grid-template-columns: 1fr;
	}
	.nav-links {
		display: none;
	}
}