/* ===== CSS Custom Properties (Theme Tokens) ===== */
:root,
[data-theme="dark"] {
	--bg-primary: #0b1121;
	--bg-secondary: #111827;
	--bg-card: #1e293b;
	--bg-card-hover: #283548;
	--text-primary: #f1f5f9;
	--text-secondary: #94a3b8;
	--text-muted: #64748b;
	--accent: #14b8a6;
	--accent-hover: #0d9488;
	--accent-glow: rgba(20, 184, 166, 0.15);
	--border: #1e293b;
	--border-light: #334155;
	--success: #22c55e;
	--error: #ef4444;
	--shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
	--radius: 12px;
	--radius-sm: 8px;
	--transition: 200ms ease;
}

[data-theme="light"] {
	--bg-primary: #f8fafc;
	--bg-secondary: #ffffff;
	--bg-card: #ffffff;
	--bg-card-hover: #f1f5f9;
	--text-primary: #0f172a;
	--text-secondary: #475569;
	--text-muted: #94a3b8;
	--border: #e2e8f0;
	--border-light: #cbd5e1;
	--accent-hover: #0f766e;
	--accent-glow: rgba(20, 184, 166, 0.08);
	--shadow: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
}

/* ===== Reset & Base ===== */
*,
*::before,
*::after {
	box-sizing: border-box;
	margin: 0;
	padding: 0;
}

html {
	scroll-behavior: smooth;
	font-size: 16px;
}

body {
	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
		"Helvetica Neue", Arial, sans-serif;
	background: var(--bg-primary);
	color: var(--text-primary);
	line-height: 1.7;
	transition: background var(--transition), color var(--transition);
	min-height: 100vh;
	display: flex;
	flex-direction: column;
}

/* ===== Typography ===== */
h1,
h2,
h3,
h4 {
	line-height: 1.3;
	font-weight: 700;
	letter-spacing: -0.02em;
}

h1 {
	font-size: clamp(2.5rem, 5vw, 4rem);
}

h2 {
	font-size: clamp(2rem, 4vw, 2.75rem);
}

h3 {
	font-size: 1.35rem;
}

p {
	color: var(--text-secondary);
}

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

a:hover {
	color: var(--accent-hover);
}

/* ===== Utility ===== */
.container {
	width: 100%;
	max-width: 1100px;
	margin: 0 auto;
	padding: 0 1.5rem;
}

.section {
	padding: 6rem 0;
}

.section-label {
	display: inline-block;
	font-size: 0.8rem;
	font-weight: 600;
	letter-spacing: 0.12em;
	text-transform: uppercase;
	color: var(--accent);
	margin-bottom: 0.75rem;
}

.section-title {
	margin-bottom: 1.5rem;
}

.section-subtitle {
	max-width: 600px;
	font-size: 1.1rem;
	margin-bottom: 3rem;
}

/* ===== Navigation ===== */
.nav {
	position: sticky;
	top: 0;
	z-index: 100;
	background: rgba(11, 17, 33, 0.85);
	backdrop-filter: blur(16px);
	-webkit-backdrop-filter: blur(16px);
	border-bottom: 1px solid var(--border);
	transition: background var(--transition), border-color var(--transition);
}

[data-theme="light"] .nav {
	background: rgba(248, 250, 252, 0.85);
}

.nav .container {
	display: flex;
	align-items: center;
	justify-content: space-between;
	height: 64px;
}

.nav-brand {
	font-weight: 700;
	font-size: 1.15rem;
	color: var(--text-primary);
}

.nav-brand span {
	color: var(--accent);
}

.nav-links {
	display: flex;
	align-items: center;
	gap: 0.25rem;
	list-style: none;
}

.nav-links a {
	display: block;
	padding: 0.5rem 1rem;
	border-radius: var(--radius-sm);
	font-size: 0.9rem;
	font-weight: 500;
	color: var(--text-secondary);
	transition: background var(--transition), color var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
	color: var(--text-primary);
	background: var(--bg-card);
}

.nav-links a.active {
	color: var(--accent);
}

.nav-right {
	display: flex;
	align-items: center;
	gap: 0.75rem;
}

.theme-toggle {
	display: flex;
	align-items: center;
	justify-content: center;
	width: 38px;
	height: 38px;
	border: 1px solid var(--border-light);
	border-radius: var(--radius-sm);
	background: var(--bg-card);
	color: var(--text-primary);
	cursor: pointer;
	font-size: 1.1rem;
	transition: background var(--transition), border-color var(--transition);
}

.theme-toggle:hover {
	background: var(--bg-card-hover);
}

/* Mobile nav button */
.nav-toggle {
	display: none;
	background: none;
	border: none;
	color: var(--text-primary);
	font-size: 1.5rem;
	cursor: pointer;
}

/* ===== Hero Section ===== */
.hero {
	padding: 8rem 0 5rem;
	text-align: center;
}

.hero-badge {
	display: inline-block;
	padding: 0.35rem 1rem;
	border: 1px solid var(--border-light);
	border-radius: 100px;
	font-size: 0.85rem;
	font-weight: 500;
	color: var(--text-secondary);
	margin-bottom: 2rem;
	background: var(--bg-card);
}

.hero-badge .dot {
	display: inline-block;
	width: 8px;
	height: 8px;
	border-radius: 50%;
	background: var(--success);
	margin-right: 0.5rem;
}

.hero h1 {
	margin-bottom: 1rem;
}

.hero h1 .highlight {
	background: linear-gradient(135deg, var(--accent), #06b6d4);
	-webkit-background-clip: text;
	background-clip: text;
	-webkit-text-fill-color: transparent;
}

.hero p {
	font-size: 1.2rem;
	max-width: 600px;
	margin: 0 auto 2.5rem;
}

.hero-actions {
	display: flex;
	gap: 1rem;
	justify-content: center;
	flex-wrap: wrap;
}

.btn {
	display: inline-flex;
	align-items: center;
	gap: 0.5rem;
	padding: 0.75rem 1.75rem;
	border-radius: var(--radius-sm);
	font-size: 0.95rem;
	font-weight: 600;
	cursor: pointer;
	border: none;
	transition: all var(--transition);
	text-decoration: none;
	line-height: 1;
}

.btn-primary {
	background: var(--accent);
	color: #0b1121;
}

.btn-primary:hover {
	background: var(--accent-hover);
	transform: translateY(-1px);
	box-shadow: 0 4px 20px var(--accent-glow);
	color: #0b1121;
}

.btn-outline {
	background: transparent;
	color: var(--text-primary);
	border: 1.5px solid var(--border-light);
}

.btn-outline:hover {
	border-color: var(--accent);
	color: var(--accent);
	transform: translateY(-1px);
}

/* ===== Cards (Services, Portfolio, Testimonials) ===== */
.cards {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
	gap: 1.5rem;
}

.card {
	background: var(--bg-card);
	border: 1px solid var(--border);
	border-radius: var(--radius);
	padding: 2rem;
	transition: background var(--transition), border-color var(--transition),
		transform var(--transition), box-shadow var(--transition);
}

.card:hover {
	background: var(--bg-card-hover);
	border-color: var(--border-light);
	transform: translateY(-2px);
	box-shadow: var(--shadow);
}

.card-icon {
	display: flex;
	align-items: center;
	justify-content: center;
	width: 48px;
	height: 48px;
	border-radius: var(--radius-sm);
	background: var(--accent-glow);
	font-size: 1.4rem;
	margin-bottom: 1.25rem;
}

.card h3 {
	margin-bottom: 0.5rem;
}

.card p {
	font-size: 0.95rem;
}

.card-tags {
	display: flex;
	flex-wrap: wrap;
	gap: 0.5rem;
	margin-top: 1.25rem;
}

.tag {
	display: inline-block;
	padding: 0.2rem 0.65rem;
	border-radius: 100px;
	font-size: 0.75rem;
	font-weight: 500;
	background: var(--accent-glow);
	color: var(--accent);
}

/* Portfolio card specifics */
.portfolio-card .card-company {
	font-size: 0.8rem;
	font-weight: 600;
	color: var(--accent);
	text-transform: uppercase;
	letter-spacing: 0.04em;
	margin-bottom: 0.5rem;
}

.portfolio-card .card-image {
	height: 180px;
	border-radius: var(--radius-sm);
	background: var(--bg-secondary);
	margin: -0.5rem -0.5rem 1.25rem;
	display: flex;
	align-items: center;
	justify-content: center;
	font-size: 3.25rem;
	color: var(--text-muted);
	border: 1px solid var(--border);
}

/* Testimonial card specifics */
.testimonial-card {
	background: var(--bg-card);
	border: 1px solid var(--border);
	border-radius: var(--radius);
	padding: 1.75rem;
}

.testimonial-card blockquote {
	font-size: 1rem;
	line-height: 1.7;
	color: var(--text-primary);
	margin-bottom: 1.25rem;
	font-style: italic;
}

.testimonial-card blockquote::before {
	content: "\201C";
	font-size: 2.5rem;
	color: var(--accent);
	line-height: 0;
	vertical-align: -0.4em;
	margin-right: 0.1em;
}

.testimonial-author {
	display: flex;
	align-items: center;
	gap: 0.75rem;
}

.testimonial-author .avatar {
	width: 42px;
	height: 42px;
	border-radius: 50%;
	background: var(--accent-glow);
	display: flex;
	align-items: center;
	justify-content: center;
	font-weight: 700;
	font-size: 0.9rem;
	color: var(--accent);
}

.testimonial-author .name {
	font-weight: 600;
	font-size: 0.9rem;
	color: var(--text-primary);
}

.testimonial-author .role {
	font-size: 0.8rem;
	color: var(--text-muted);
}

/* ===== About Page ===== */
.about-grid {
	display: grid;
	grid-template-columns: 1fr 2fr;
	gap: 4rem;
	align-items: start;
}

.about-image {
	width: 100%;
	aspect-ratio: 1;
	border-radius: var(--radius);
	background: var(--bg-card);
	border: 1px solid var(--border);
	overflow: hidden;
	display: flex;
	align-items: center;
	justify-content: center;
	font-size: 3rem;
	color: var(--text-muted);
}

.about-image img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	border-radius: inherit;
}

.about-text p {
	margin-bottom: 1.25rem;
	font-size: 1.05rem;
}

.skills {
	display: flex;
	flex-wrap: wrap;
	gap: 0.6rem;
	margin-top: 2rem;
}

.skill {
	padding: 0.4rem 1rem;
	border: 1px solid var(--border-light);
	border-radius: 100px;
	font-size: 0.85rem;
	font-weight: 500;
	color: var(--text-secondary);
	background: var(--bg-card);
}

.skill-highlight {
	border-color: var(--accent);
	color: var(--accent);
	background: var(--accent-glow);
}

/* Timeline */
.timeline {
	position: relative;
	padding-left: 2rem;
	margin-top: 3rem;
}

.timeline::before {
	content: "";
	position: absolute;
	left: 0;
	top: 0.5rem;
	bottom: 0;
	width: 2px;
	background: var(--border-light);
}

.timeline-item {
	position: relative;
	padding-bottom: 2.5rem;
}

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

.timeline-item::before {
	content: "";
	position: absolute;
	left: -2.35rem;
	top: 0.35rem;
	width: 12px;
	height: 12px;
	border-radius: 50%;
	background: var(--accent);
	border: 2px solid var(--bg-primary);
}

.timeline-item .period {
	font-size: 0.8rem;
	color: var(--accent);
	font-weight: 600;
	letter-spacing: 0.05em;
	margin-bottom: 0.25rem;
}

.timeline-item .title {
	font-weight: 600;
	font-size: 1.05rem;
	color: var(--text-primary);
}

.timeline-item .company {
	font-size: 0.9rem;
	color: var(--text-secondary);
}

.timeline-item .description {
	font-size: 0.9rem;
	color: var(--text-muted);
	margin-top: 0.5rem;
}

/* ===== Contact Form ===== */
.contact-grid {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 4rem;
}

.contact-info h2 {
	margin-bottom: 1rem;
}

.contact-info p {
	font-size: 1.05rem;
	margin-bottom: 2rem;
}

.contact-methods {
	display: flex;
	flex-direction: column;
	gap: 1rem;
}

.contact-method {
	display: flex;
	align-items: center;
	gap: 0.75rem;
	color: var(--text-secondary);
	font-size: 0.95rem;
}

.contact-method span.icon {
	font-size: 1.2rem;
}

.form-group {
	margin-bottom: 1.25rem;
}

.form-group label {
	display: block;
	font-size: 0.85rem;
	font-weight: 500;
	color: var(--text-secondary);
	margin-bottom: 0.4rem;
}

.form-group input,
.form-group textarea {
	width: 100%;
	padding: 0.75rem 1rem;
	border: 1px solid var(--border-light);
	border-radius: var(--radius-sm);
	background: var(--bg-card);
	color: var(--text-primary);
	font-size: 0.95rem;
	font-family: inherit;
	transition: border-color var(--transition), box-shadow var(--transition);
	outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
	border-color: var(--accent);
	box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-group textarea {
	min-height: 140px;
	resize: vertical;
}

.form-group .error-msg {
	font-size: 0.8rem;
	color: var(--error);
	margin-top: 0.3rem;
	display: none;
}

.form-group input[aria-invalid="true"],
.form-group textarea[aria-invalid="true"] {
	border-color: var(--error);
	box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.15);
}

.form-success {
	text-align: center;
	padding: 3rem 2rem;
	background: var(--bg-card);
	border: 1px solid var(--border);
	border-radius: var(--radius);
}

.form-success .check {
	font-size: 3rem;
	margin-bottom: 1rem;
}

.form-success h3 {
	margin-bottom: 0.5rem;
}

/* ===== Footer ===== */
.footer {
	border-top: 1px solid var(--border);
	padding: 2.5rem 0;
	margin-top: auto;
}

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

.footer p {
	font-size: 0.85rem;
	color: var(--text-muted);
}

.footer-links {
	display: flex;
	gap: 1.5rem;
	list-style: none;
}

.footer-links a {
	font-size: 0.85rem;
	color: var(--text-secondary);
}

.footer-links a:hover {
	color: var(--accent);
}

/* ===== Page Transitions (HTMX) ===== */
main {
	flex: 1;
}

.htmx-swapping main {
	opacity: 0;
	transition: opacity 150ms ease;
}

.htmx-settling main {
	transition: none;
}

[data-loading] {
	cursor: wait;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
	.about-grid,
	.contact-grid {
		grid-template-columns: 1fr;
		gap: 2.5rem;
	}

	.cards {
		grid-template-columns: 1fr;
	}

	.nav-links {
		display: none;
		position: absolute;
		top: 64px;
		left: 0;
		right: 0;
		flex-direction: column;
		background: var(--bg-primary);
		border-bottom: 1px solid var(--border);
		padding: 1rem;
		gap: 0;
	}

	.nav-links.open {
		display: flex;
	}

	.nav-links a {
		padding: 0.75rem 1rem;
		border-radius: var(--radius-sm);
	}

	.nav-toggle {
		display: block;
	}

	.hero {
		padding: 5rem 0 3rem;
	}

	.section {
		padding: 4rem 0;
	}

	.footer .container {
		flex-direction: column;
		text-align: center;
	}
}