/* Modern Cybersecurity-Focused Theme
   Professional, sophisticated, secure aesthetic for British/European audience */

:root {
	--bg-primary: #0f1419;
	--bg-secondary: #1a202c;
	--bg-tertiary: #2d3748;
	--text-primary: #e8eef7;
	--text-secondary: #a0aec0;
	--accent-primary: #06b6d4;
	--accent-hover: #0891b2;
	--accent-secondary: #3b82f6;
	--border-color: #2d3748;
}

* {
	box-sizing: border-box;
}

html {
	scroll-behavior: smooth;
}

body {
	max-width: 65rem;
	margin: 0 auto;
	padding: 1rem;
	background-color: var(--bg-primary);
	color: var(--text-primary);
	font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
	line-height: 1.6;
	font-size: 16px;
	letter-spacing: 0.3px;
}

/* Header and Navigation */
header {
	margin-bottom: 2rem;
	border-bottom: 1px solid var(--border-color);
	padding-bottom: 1.5rem;
	display: flex;
	align-items: center;
	gap: 1.5rem;
	flex-wrap: wrap;
}

#favicon {
	flex-shrink: 0;
	width: 3rem;
	height: 3rem;
	display: flex;
	align-items: center;
	justify-content: center;
	transition: all 0.2s ease;
}

.logo-link {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	transition: all 0.2s ease;
	text-decoration: none;
}

.logo-link:hover {
	transform: scale(1.05);
}

nav {
	display: flex;
	gap: 0.5rem;
	flex-wrap: wrap;
	flex-grow: 1;
}

.nav-link {
	padding: 0.6rem 1.2rem;
	background-color: var(--bg-secondary);
	color: var(--text-primary);
	text-decoration: none;
	border-radius: 0.5rem;
	border: 1px solid var(--border-color);
	transition: all 0.2s ease;
	font-size: 0.95rem;
	font-weight: 500;
}

.nav-link:hover,
.nav-link:focus {
	background-color: var(--accent-primary);
	color: var(--bg-primary);
	border-color: var(--accent-primary);
	outline: none;
}

/* Main Content */
main {
	font-family: inherit;
	line-height: 1.8;
	margin-bottom: 3rem;
}

main h1,
main h2,
main h3 {
	color: var(--text-primary);
	margin-top: 1.5rem;
	margin-bottom: 0.8rem;
	font-weight: 600;
}

main h1 {
	font-size: 2rem;
	border-bottom: 2px solid var(--accent-primary);
	padding-bottom: 0.5rem;
}

main h2 {
	font-size: 1.5rem;
	color: var(--accent-secondary);
}

main h3 {
	font-size: 1.2rem;
}

hr {
	border: none;
	border-top: 1px solid var(--border-color);
	margin: 1.5rem 0;
}

/* Links */
a {
	color: var(--accent-primary);
	text-decoration: none;
	transition: all 0.2s ease;
	border-radius: 2px;
}

main a {
	border-bottom: 1px solid var(--accent-primary);
	padding-bottom: 2px;
}

a:hover,
a:focus {
	color: var(--accent-hover);
	border-bottom-color: var(--accent-hover);
	outline: none;
}

a:visited {
	color: var(--accent-secondary);
}

a[href^="mailto:"] {
	color: var(--accent-secondary);
}

/* Images */
img {
	max-width: 100%;
	height: auto;
	border-radius: 0.5rem;
	display: block;
	margin: 1rem 0;
}

/* Code and Pre */
code {
	background-color: var(--bg-secondary);
	color: var(--accent-primary);
	padding: 0.2rem 0.5rem;
	border-radius: 0.3rem;
	font-family: 'Courier New', monospace;
	font-size: 0.9em;
}

pre {
	background-color: var(--bg-secondary);
	border-left: 3px solid var(--accent-primary);
	padding: 1rem;
	border-radius: 0.5rem;
	overflow-x: auto;
	margin: 1rem 0;
}

pre code {
	background: none;
	padding: 0;
	color: var(--text-primary);
}

/* Projects Grid Layout */
#projects-grid {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
	gap: 1.5rem;
	margin-top: 2rem;
}

.project-card {
	background-color: var(--bg-secondary);
	border: 1px solid var(--border-color);
	border-radius: 0.5rem;
	padding: 1.5rem;
	transition: all 0.2s ease;
}

.project-card:hover {
	border-color: var(--accent-primary);
	transform: translateY(-2px);
}

.project-card h2 {
	margin-top: 0;
	font-size: 1.2rem;
	color: var(--text-primary);
}

.project-card a {
	color: var(--accent-primary);
	border-bottom: 1px solid var(--accent-primary);
}

.project-card a:hover {
	color: var(--accent-hover);
	border-color: var(--accent-hover);
}

.project-date {
	display: block;
	color: var(--text-secondary);
	font-size: 0.85rem;
	margin-top: 0.8rem;
	font-weight: 500;
}
#tags {
	margin: 2rem 0;
	padding-top: 1.5rem;
	border-top: 1px solid var(--border-color);
}

#tags a {
	display: inline-block;
	margin: 0.3rem 0.5rem 0.3rem 0;
	padding: 0.4rem 0.8rem;
	background-color: var(--bg-secondary);
	color: var(--accent-primary);
	border: 1px solid var(--accent-primary);
	border-radius: 0.4rem;
	font-size: 0.9rem;
	transition: all 0.2s ease;
}

#tags a:hover {
	background-color: var(--accent-primary);
	color: var(--bg-primary);
	border-color: var(--accent-primary);
}

/* Footer Section */
#footer-section {
	margin-top: 3rem;
	padding-top: 2rem;
	border-top: 1px solid var(--border-color);
}

#socials {
	display: flex;
	gap: 1.2rem;
	justify-content: center;
	flex-wrap: wrap;
	margin-bottom: 2rem;
	padding: 1.5rem 0;
}

#socials a {
	display: inline-flex;
	align-items: center;
	gap: 0.4rem;
	padding: 0.6rem 1rem;
	background-color: var(--bg-secondary);
	color: var(--text-primary);
	border: 1px solid var(--accent-primary);
	border-radius: 0.5rem;
	font-size: 0.95rem;
	transition: all 0.2s ease;
	white-space: nowrap;
}

#socials a:hover {
	background-color: var(--accent-primary);
	color: var(--bg-primary);
	border-color: var(--accent-primary);
	transform: translateY(-2px);
}

#socials a:not(:last-child)::after {
	content: "";
}

#foot {
	text-align: center;
	color: var(--text-secondary);
	font-size: 0.9rem;
	padding-bottom: 2rem;
}

#foot a {
	color: var(--accent-primary);
	border-bottom: 1px solid var(--accent-primary);
}

/* Responsive Design */
@media (max-width: 768px) {
	body {
		padding: 0.75rem;
		font-size: 15px;
	}

	header {
		flex-direction: column;
		align-items: flex-start;
		gap: 1rem;
	}

	#favicon {
		font-size: 2rem;
		width: 2.5rem;
		height: 2.5rem;
	}

	nav {
		width: 100%;
	}

	.nav-link {
		flex-grow: 1;
		text-align: center;
		font-size: 0.9rem;
		padding: 0.5rem 0.8rem;
	}

	main h1 {
		font-size: 1.6rem;
	}

	main h2 {
		font-size: 1.3rem;
	}

	#projects-grid {
		grid-template-columns: 1fr;
	}

	#socials a {
		flex-grow: 1;
		justify-content: center;
		font-size: 0.85rem;
	}
}

@media (max-width: 480px) {
	body {
		padding: 0.5rem;
		font-size: 14px;
	}

	main h1 {
		font-size: 1.4rem;
	}

	.nav-link {
		padding: 0.5rem 0.6rem;
		font-size: 0.85rem;
	}

	#socials a {
		padding: 0.5rem 0.6rem;
		font-size: 0.8rem;
	}
}

/* Print Styles */
@media print {
	body {
		background: white;
		color: black;
	}

	a {
		color: #0066cc;
	}

	nav,
	#footer-section {
		display: none;
	}
}