/* ==========================================================================
   SercemeluFuk Portfolio — Design System
   Brand: warm charcoal + violet accent | Syne + IBM Plex Sans | 8px grid
   ========================================================================== */

:root {
	--font-display: 'Syne', system-ui, sans-serif;
	--font-body: 'IBM Plex Sans', system-ui, sans-serif;

	--space-1: 8px;
	--space-2: 16px;
	--space-3: 24px;
	--space-4: 32px;
	--space-5: 48px;
	--space-6: 64px;
	--space-7: 96px;

	--container: 1360px;
	--header-h: 72px;
	--radius-sm: 8px;
	--radius-md: 12px;
	--radius-lg: 20px;

	--ease-out: cubic-bezier(0.16, 1, 0.3, 1);
	--transition: 0.35s var(--ease-out);
}

/* --- Dark theme (default) --- */
body.theme-dark {
	--bg: #0E1117;
	--bg-elevated: #161B24;
	--bg-muted: #1C222D;
	--text: #E8E4DE;
	--text-muted: #9A9488;
	--text-faint: #5C574F;
	--accent: #8B7CF6;
	--accent-rgb: 139, 124, 246;
	--accent-hover: #7C6AE8;
	--accent-soft: rgba(139, 124, 246, 0.14);
	--sage: #6B8F71;
	--border: #252B36;
	--shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.24);
	--shadow-md: 0 12px 32px rgba(0, 0, 0, 0.32);
	--shadow-accent: 0 8px 28px rgba(139, 124, 246, 0.22);
	--input-bg: #161B24;
	--hero-glow: radial-gradient(circle at 50% 50%, rgba(139, 124, 246, 0.22) 0%, transparent 68%);
}

/* --- Light theme --- */
body.theme-light {
	--bg: #F5F3EF;
	--bg-elevated: #FFFFFF;
	--bg-muted: #EBE7E0;
	--text: #1A1814;
	--text-muted: #5C574F;
	--text-faint: #9A9488;
	--accent: #6D5CE8;
	--accent-rgb: 109, 92, 232;
	--accent-hover: #5B4AD4;
	--accent-soft: rgba(109, 92, 232, 0.12);
	--sage: #4A7350;
	--border: #D8D2C8;
	--shadow-sm: 0 2px 8px rgba(26, 24, 20, 0.06);
	--shadow-md: 0 12px 32px rgba(26, 24, 20, 0.08);
	--shadow-accent: 0 8px 24px rgba(109, 92, 232, 0.16);
	--input-bg: #FFFFFF;
	--hero-glow: radial-gradient(circle at 50% 50%, rgba(109, 92, 232, 0.14) 0%, transparent 68%);
}

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

html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }

body {
	font-family: var(--font-body);
	font-size: 1rem;
	line-height: 1.65;
	color: var(--text);
	background: var(--bg);
	transition: background var(--transition), color var(--transition);
	overflow-x: hidden;
	position: relative;
}

/* --- Ambient background --- */
.ambient-bg {
	position: fixed;
	inset: 0;
	pointer-events: none;
	z-index: 0;
	overflow: hidden;
}

.ambient-orb {
	position: absolute;
	border-radius: 50%;
	filter: blur(80px);
	opacity: 0.45;
	animation: floatOrb 18s ease-in-out infinite;
}

.ambient-orb.orb-1 {
	width: 420px;
	height: 420px;
	top: -8%;
	right: 10%;
	background: rgba(var(--accent-rgb), 0.35);
}

.ambient-orb.orb-2 {
	width: 320px;
	height: 320px;
	bottom: 15%;
	left: -5%;
	background: rgba(99, 102, 241, 0.2);
	animation-delay: -6s;
	animation-duration: 22s;
}

.ambient-orb.orb-3 {
	width: 260px;
	height: 260px;
	top: 45%;
	left: 40%;
	background: rgba(var(--accent-rgb), 0.15);
	animation-delay: -12s;
	animation-duration: 26s;
}

.ambient-grid {
	position: absolute;
	inset: 0;
	background-image:
		linear-gradient(rgba(var(--accent-rgb), 0.04) 1px, transparent 1px),
		linear-gradient(90deg, rgba(var(--accent-rgb), 0.04) 1px, transparent 1px);
	background-size: 48px 48px;
	mask-image: radial-gradient(ellipse 80% 70% at 50% 30%, black 20%, transparent 75%);
	opacity: 0.6;
}

@keyframes floatOrb {
	0%, 100% { transform: translate(0, 0) scale(1); }
	33% { transform: translate(24px, -32px) scale(1.06); }
	66% { transform: translate(-20px, 20px) scale(0.94); }
}

.site-header,
.site-main,
.site-footer {
	position: relative;
	z-index: 1;
}

/* --- Scroll reveal --- */
.reveal {
	opacity: 0;
	transform: translateY(28px);
	transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

.reveal.is-visible {
	opacity: 1;
	transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.08s; }
.reveal-delay-2 { transition-delay: 0.16s; }
.reveal-delay-3 { transition-delay: 0.24s; }

@media (prefers-reduced-motion: reduce) {
	.ambient-orb { animation: none; }
	.reveal { opacity: 1; transform: none; transition: none; }
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: color 0.2s ease; }
ul { list-style: none; }
button, input, textarea, select {
	font: inherit; color: inherit; background: none; border: none; outline: none;
}
button { cursor: pointer; }

.container {
	max-width: var(--container);
	margin: 0 auto;
	padding: 0 clamp(var(--space-3), 3vw, var(--space-5));
	width: 100%;
}

/* --- Typography hierarchy --- */
h1, h2, h3, h4, .font-display {
	font-family: var(--font-display);
	font-weight: 700;
	letter-spacing: -0.03em;
	line-height: 1.15;
}

.section-index {
	font-family: var(--font-body);
	font-size: 0.75rem;
	font-weight: 600;
	letter-spacing: 0.12em;
	text-transform: uppercase;
	color: var(--accent);
	margin-bottom: var(--space-1);
}

.section-eyebrow {
	font-size: 0.8125rem;
	font-weight: 500;
	color: var(--text-muted);
	margin-bottom: var(--space-1);
}

.section-title {
	font-size: clamp(1.75rem, 4vw, 2.5rem);
	margin-bottom: var(--space-2);
}

.section-header {
	margin-bottom: var(--space-6);
}

.section-rule {
	width: 48px;
	height: 3px;
	background: var(--accent);
	border-radius: 2px;
	margin-top: var(--space-2);
}

/* --- Header --- */
.site-header {
	position: fixed;
	top: 0; left: 0; right: 0;
	height: var(--header-h);
	z-index: 1000;
	border-bottom: 1px solid var(--border);
	background: color-mix(in srgb, var(--bg) 82%, transparent);
	backdrop-filter: blur(16px);
	-webkit-backdrop-filter: blur(16px);
}

.header-inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	height: 100%;
	gap: var(--space-3);
}

.site-logo {
	display: flex;
	align-items: center;
	gap: var(--space-2);
	font-family: var(--font-display);
	font-weight: 800;
	font-size: 1.125rem;
	letter-spacing: -0.02em;
}

.site-logo .logo-icon,
.site-logo .logo-mark {
	color: var(--accent);
	transition: transform var(--transition), color var(--transition);
	flex-shrink: 0;
}

.site-logo:hover .logo-icon,
.site-logo:hover .logo-mark {
	transform: rotate(-6deg) scale(1.06);
}

.logo-name-light { font-weight: 500; opacity: 0.75; }

.site-nav .nav-list {
	display: flex;
	align-items: center;
	gap: var(--space-4);
}

.nav-link {
	font-size: 0.875rem;
	font-weight: 500;
	color: var(--text-muted);
	padding: var(--space-1) 0;
	position: relative;
}

.nav-link:hover, .nav-link.is-active { color: var(--text); }

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

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

.header-actions {
	display: flex;
	align-items: center;
	gap: var(--space-2);
}

.theme-toggle {
	width: 40px; height: 40px;
	border: 1px solid var(--border);
	border-radius: var(--radius-sm);
	display: flex;
	align-items: center;
	justify-content: center;
	color: var(--text);
	background: var(--bg-elevated);
	transition: border-color var(--transition), transform 0.2s ease;
}

.theme-toggle:hover {
	border-color: var(--accent);
	transform: scale(1.04);
}

.theme-toggle .icon-sun { display: none; }
body.theme-light .theme-toggle .icon-sun { display: block; }
body.theme-light .theme-toggle .icon-moon { display: none; }

.menu-toggle {
	display: none;
	flex-direction: column;
	gap: 5px;
	width: 24px;
	padding: 4px 0;
}

.menu-toggle span {
	display: block;
	height: 2px;
	background: var(--text);
	border-radius: 1px;
	transition: var(--transition);
}

.menu-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle.is-open span:nth-child(2) { opacity: 0; }
.menu-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.nav-overlay {
	display: none;
	position: fixed;
	inset: 0;
	background: rgba(0, 0, 0, 0.5);
	z-index: 999;
	opacity: 0;
	transition: opacity var(--transition);
}

.nav-overlay.is-visible { display: block; opacity: 1; }

/* --- Main layout --- */
.site-main {
	margin-top: var(--header-h);
}

.section {
	display: none;
	padding: var(--space-6) 0;
	opacity: 0;
}

#home.section {
	padding-top: var(--space-2);
	padding-bottom: var(--space-5);
}

.section.is-active {
	display: block;
	animation: sectionIn 0.55s var(--ease-out) forwards;
}

@keyframes sectionIn {
	from { opacity: 0; transform: translateY(16px); }
	to { opacity: 1; transform: translateY(0); }
}

/* --- Buttons --- */
.btn {
	display: inline-flex;
	align-items: center;
	gap: var(--space-1);
	padding: 12px var(--space-3);
	border-radius: var(--radius-sm);
	font-size: 0.9375rem;
	font-weight: 600;
	transition: transform 0.2s ease, box-shadow var(--transition), background var(--transition), border-color var(--transition);
}

.btn-primary {
	background: var(--accent);
	color: #fff !important;
	box-shadow: var(--shadow-accent);
}

.btn-primary:hover {
	background: var(--accent-hover);
	transform: translateY(-2px);
	box-shadow: 0 12px 28px rgba(var(--accent-rgb), 0.28);
}

.btn-primary svg { transition: transform 0.25s ease; }
.btn-primary:hover svg { transform: translateX(3px); }

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

.btn-secondary:hover {
	border-color: var(--accent);
	transform: translateY(-2px);
}

.btn-block { width: 100%; justify-content: center; }

.btn-text {
	display: inline-flex;
	align-items: center;
	gap: 6px;
	font-size: 0.875rem;
	font-weight: 600;
	color: var(--accent);
	padding: 0;
}

.btn-text:hover { color: var(--accent-hover); }
.btn-text svg { transition: transform 0.2s ease; }
.btn-text:hover svg { transform: translateX(4px); }

/* --- Hero --- */
.hero {
	display: grid;
	grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
	gap: clamp(var(--space-4), 4vw, var(--space-6));
	align-items: center;
	padding: 0;
}

.hero-content {
	min-width: 0;
}

.hero-title {
	font-size: clamp(2.5rem, 4.5vw, 3.75rem);
	margin-bottom: var(--space-3);
	max-width: none;
	line-height: 1.12;
}

.hero-title .highlight { color: var(--accent); }

.hero-subtitle {
	display: inline-block;
	margin-top: 0.15em;
	font-size: 0.72em;
	font-weight: 600;
	opacity: 0.9;
}

.hero-lead {
	font-size: 1.125rem;
	color: var(--text-muted);
	max-width: 58ch;
	margin-bottom: var(--space-5);
}

.status-badge {
	display: inline-flex;
	align-items: center;
	gap: var(--space-1);
	padding: 6px 14px;
	border-radius: 100px;
	background: color-mix(in srgb, var(--sage) 14%, transparent);
	color: var(--sage);
	font-size: 0.8125rem;
	font-weight: 600;
	margin-bottom: var(--space-3);
}

.status-dot {
	width: 7px; height: 7px;
	border-radius: 50%;
	background: var(--sage);
	position: relative;
}

.status-dot::after {
	content: '';
	position: absolute;
	inset: 0;
	border-radius: 50%;
	background: inherit;
	animation: pulse 2s ease infinite;
}

@keyframes pulse {
	0%, 100% { transform: scale(1); opacity: 1; }
	50% { transform: scale(2.2); opacity: 0; }
}

.hero-actions {
	display: flex;
	flex-wrap: wrap;
	gap: var(--space-2);
	margin-bottom: var(--space-5);
}

.social-row {
	display: flex;
	gap: var(--space-2);
}

.social-link {
	width: 44px; height: 44px;
	border: 1px solid var(--border);
	border-radius: var(--radius-sm);
	display: flex;
	align-items: center;
	justify-content: center;
	color: var(--text-muted);
	background: var(--bg-elevated);
	transition: border-color var(--transition), color var(--transition), transform 0.2s ease, box-shadow var(--transition);
}

.social-link:hover {
	border-color: var(--accent);
	color: var(--accent);
	transform: translateY(-3px);
	box-shadow: var(--shadow-sm);
}

.hero-visual {
	display: flex;
	justify-content: center;
	align-items: center;
	align-self: center;
	width: 100%;
}

.hero-circle-wrap {
	position: relative;
	width: min(100%, clamp(280px, 38vw, 520px));
	aspect-ratio: 1;
	padding: 12px;
	border-radius: 50%;
	transition: transform 0.35s var(--ease-out);
}

.hero-circle-wrap:hover {
	transform: scale(1.02);
}

.hero-circle-container {
	position: relative;
	width: 100%;
	height: 100%;
	margin-inline: auto;
	border-radius: 50%;
	overflow: hidden;
	border: 3px solid color-mix(in srgb, var(--accent) 25%, var(--border));
	background: var(--bg-muted);
	box-shadow: var(--shadow-md);
	transition:
		border-color 0.35s var(--ease-out),
		box-shadow 0.35s var(--ease-out);
}

.hero-circle-glow {
	position: absolute;
	inset: -10px;
	border-radius: 50%;
	border: 2px solid transparent;
	pointer-events: none;
	z-index: 3;
	transition:
		border-color 0.35s var(--ease-out),
		box-shadow 0.35s var(--ease-out);
}

.hero-circle-wrap:hover .hero-circle-container {
	border-color: var(--accent);
	box-shadow:
		0 0 0 4px rgba(var(--accent-rgb), 0.15),
		0 0 28px rgba(var(--accent-rgb), 0.45);
}

.hero-circle-wrap:hover .hero-circle-glow {
	border-color: var(--accent);
	box-shadow:
		0 0 0 8px rgba(var(--accent-rgb), 0.12),
		0 0 36px rgba(var(--accent-rgb), 0.55);
}

.hero-img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	object-position: center top;
	display: block;
	border-radius: 50%;
	transition: transform 0.45s var(--ease-out);
}

.hero-circle-wrap:hover .hero-img {
	transform: scale(1.04);
}

.hero-placeholder {
	width: 100%;
	height: 100%;
	display: flex;
	align-items: center;
	justify-content: center;
	padding: var(--space-3);
	text-align: center;
	color: var(--text-faint);
	font-size: 0.8125rem;
	line-height: 1.5;
	border-radius: 50%;
}

/* --- CV --- */
.cv-layout {
	display: grid;
	grid-template-columns: 1.25fr 0.75fr;
	gap: var(--space-6);
	align-items: start;
}

.cv-block { margin-bottom: var(--space-5); }

.cv-block-title {
	display: flex;
	align-items: center;
	gap: var(--space-2);
	font-size: 1.25rem;
	margin-bottom: var(--space-4);
}

.cv-block-title svg { color: var(--accent); flex-shrink: 0; }

.timeline {
	border-left: 2px solid var(--border);
	padding-left: var(--space-4);
	margin-left: 6px;
}

.timeline-item {
	position: relative;
	padding-bottom: var(--space-4);
}

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

.timeline-dot {
	position: absolute;
	left: calc(-1 * var(--space-4) - 7px);
	top: 6px;
	width: 12px; height: 12px;
	border-radius: 50%;
	background: var(--bg);
	border: 2px solid var(--accent);
}

.timeline-date {
	font-size: 0.8125rem;
	font-weight: 600;
	color: var(--accent);
	margin-bottom: 4px;
}

.timeline-role {
	font-family: var(--font-display);
	font-size: 1.0625rem;
	font-weight: 700;
	margin-bottom: 2px;
}

.timeline-org {
	font-size: 0.9375rem;
	color: var(--text-muted);
	margin-bottom: var(--space-1);
}

.timeline-desc {
	font-size: 0.9375rem;
	color: var(--text-muted);
}

.sidebar-card {
	background: var(--bg-elevated);
	border: 1px solid var(--border);
	border-radius: var(--radius-md);
	padding: var(--space-4);
	margin-bottom: var(--space-3);
	box-shadow: var(--shadow-sm);
}

.sidebar-card-title {
	font-size: 1rem;
	font-weight: 700;
	margin-bottom: var(--space-3);
	padding-bottom: var(--space-2);
	border-bottom: 1px solid var(--border);
}

.skill-group { margin-bottom: var(--space-3); }
.skill-group:last-child { margin-bottom: 0; }

.skill-group-label {
	font-size: 0.75rem;
	font-weight: 600;
	text-transform: uppercase;
	letter-spacing: 0.08em;
	color: var(--text-faint);
	margin-bottom: var(--space-1);
}

.skill-tags {
	display: flex;
	flex-wrap: wrap;
	gap: var(--space-1);
}

.skill-tag {
	font-size: 0.8125rem;
	padding: 4px 10px;
	border-radius: 100px;
	background: var(--accent-soft);
	color: var(--accent);
	border: 1px solid color-mix(in srgb, var(--accent) 25%, transparent);
	transition:
		transform 0.28s var(--ease-out),
		background var(--transition),
		color var(--transition),
		border-color var(--transition),
		box-shadow var(--transition);
}

.skill-tag:hover {
	transform: translateY(-3px) scale(1.05);
	background: color-mix(in srgb, var(--accent) 24%, var(--bg-elevated));
	border-color: color-mix(in srgb, var(--accent) 55%, transparent);
	box-shadow: var(--shadow-accent);
	color: var(--text);
}

.cert-item, .lang-item {
	padding: var(--space-2) 0;
	border-bottom: 1px solid var(--border);
}

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

.cert-name, .lang-name { font-weight: 600; font-size: 0.9375rem; }
.cert-meta, .lang-level { font-size: 0.8125rem; color: var(--text-muted); }

.lang-item {
	display: flex;
	justify-content: space-between;
	align-items: baseline;
	gap: var(--space-2);
}

.empty-state {
	color: var(--text-muted);
	font-size: 0.9375rem;
}

/* --- Projects (asymmetric grid) --- */
.filter-bar {
	display: flex;
	flex-wrap: wrap;
	gap: var(--space-1);
	margin-bottom: var(--space-5);
}

.filter-btn {
	padding: 8px var(--space-2);
	border-radius: 100px;
	font-size: 0.8125rem;
	font-weight: 600;
	color: var(--text-muted);
	border: 1px solid transparent;
	transition: var(--transition);
}

.filter-btn:hover { color: var(--text); border-color: var(--border); }

.filter-btn.is-active {
	background: var(--accent-soft);
	color: var(--accent);
	border-color: color-mix(in srgb, var(--accent) 30%, transparent);
}

.projects-grid {
	display: grid;
	grid-template-columns: repeat(12, 1fr);
	gap: var(--space-3);
}

.project-card {
	grid-column: span 6;
	background: var(--bg-elevated);
	border: 1px solid var(--border);
	border-radius: var(--radius-md);
	overflow: hidden;
	transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.project-card:nth-child(3n+1) { grid-column: span 7; }
.project-card:nth-child(3n+2) { grid-column: span 5; }
.project-card:nth-child(3n)   { grid-column: span 6; margin-top: var(--space-2); }

.project-card:hover {
	transform: translateY(-4px);
	box-shadow: var(--shadow-md);
	border-color: color-mix(in srgb, var(--accent) 35%, var(--border));
}

.project-thumb {
	position: relative;
	aspect-ratio: 16/10;
	overflow: hidden;
	background: var(--bg-muted);
}

.project-thumb img {
	width: 100%; height: 100%;
	object-fit: cover;
	transition: transform 0.6s var(--ease-out);
}

.project-card:hover .project-thumb img { transform: scale(1.04); }

.project-overlay {
	position: absolute;
	inset: 0;
	background: rgba(14, 17, 23, 0.55);
	display: flex;
	align-items: center;
	justify-content: center;
	gap: var(--space-2);
	opacity: 0;
	transition: opacity var(--transition);
}

.project-card:hover .project-overlay { opacity: 1; }

.project-link {
	width: 44px; height: 44px;
	border-radius: 50%;
	background: var(--bg-elevated);
	color: var(--text);
	display: flex;
	align-items: center;
	justify-content: center;
	transition: transform 0.2s ease, background var(--transition);
}

.project-link:hover {
	background: var(--accent);
	color: #fff;
	transform: scale(1.08);
}

.project-body { padding: var(--space-3); }

.project-cat {
	font-size: 0.6875rem;
	font-weight: 700;
	text-transform: uppercase;
	letter-spacing: 0.1em;
	color: var(--accent);
	margin-bottom: var(--space-1);
}

.project-name {
	font-family: var(--font-display);
	font-size: 1.25rem;
	margin-bottom: var(--space-1);
}

.project-desc {
	font-size: 0.9375rem;
	color: var(--text-muted);
	margin-bottom: var(--space-2);
	display: -webkit-box;
	-webkit-line-clamp: 2;
	-webkit-box-orient: vertical;
	overflow: hidden;
}

.project-tech {
	display: flex;
	flex-wrap: wrap;
	gap: 6px;
}

.project-tech span {
	font-size: 0.75rem;
	padding: 2px 8px;
	border-radius: 4px;
	background: var(--bg-muted);
	color: var(--text-muted);
}

/* --- Blog --- */
.blog-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(280px, 360px));
	gap: var(--space-4);
	align-items: start;
	justify-content: start;
}

.blog-card {
	display: flex;
	flex-direction: column;
	width: 100%;
	max-width: 360px;
	background: var(--bg-elevated);
	border: 1px solid var(--border);
	border-radius: var(--radius-md);
	overflow: hidden;
	box-shadow: var(--shadow-sm);
	transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.blog-card:hover {
	transform: translateY(-6px);
	box-shadow: var(--shadow-md);
	border-color: color-mix(in srgb, var(--accent) 30%, var(--border));
}

.blog-thumb {
	display: block;
	width: 100%;
	height: auto;
	aspect-ratio: 16 / 9;
	overflow: hidden;
	background: var(--bg-muted);
	flex-shrink: 0;
	line-height: 0;
}

.blog-thumb img {
	width: 100% !important;
	height: 100% !important;
	max-width: 100%;
	object-fit: cover;
	display: block;
	transition: transform 0.55s var(--ease-out);
}

.blog-thumb-placeholder {
	width: 100%;
	height: 100%;
	min-height: 0;
	display: flex;
	align-items: center;
	justify-content: center;
	background: linear-gradient(
		145deg,
		var(--bg-muted) 0%,
		color-mix(in srgb, var(--accent) 10%, var(--bg-muted)) 100%
	);
	color: var(--text-faint);
}

.blog-card:hover .blog-thumb img { transform: scale(1.04); }

.blog-body {
	padding: var(--space-3);
	display: flex;
	flex-direction: column;
	flex: 1;
	gap: 0;
}

.blog-meta {
	display: flex;
	align-items: center;
	gap: var(--space-1);
	font-size: 0.8125rem;
	color: var(--text-faint);
	margin-bottom: var(--space-2);
}

.meta-sep {
	width: 4px;
	height: 4px;
	border-radius: 50%;
	background: var(--text-faint);
	flex-shrink: 0;
}

.blog-name {
	font-family: var(--font-display);
	font-size: 1.2rem;
	font-weight: 700;
	line-height: 1.35;
	margin-bottom: var(--space-2);
	letter-spacing: -0.02em;
}

.blog-name a {
	color: inherit;
	transition: color var(--transition);
}

.blog-card:hover .blog-name a { color: var(--accent); }

.blog-excerpt {
	font-size: 0.9375rem;
	color: var(--text-muted);
	line-height: 1.6;
	margin-bottom: var(--space-3);
	flex: 1;
	display: -webkit-box;
	-webkit-line-clamp: 3;
	-webkit-box-orient: vertical;
	overflow: hidden;
}

.blog-read-more {
	margin-top: auto;
	align-self: flex-start;
}

/* --- Contact --- */
.contact-layout {
	display: grid;
	grid-template-columns: 0.9fr 1.1fr;
	gap: var(--space-6);
	align-items: start;
}

.contact-heading {
	font-family: var(--font-display);
	font-size: 1.75rem;
	margin-bottom: var(--space-2);
	max-width: 20ch;
}

.contact-text {
	color: var(--text-muted);
	margin-bottom: var(--space-4);
	max-width: 42ch;
}

.contact-detail {
	display: flex;
	gap: var(--space-2);
	margin-bottom: var(--space-3);
}

.contact-icon {
	width: 44px; height: 44px;
	flex-shrink: 0;
	border: 1px solid var(--border);
	border-radius: var(--radius-sm);
	display: flex;
	align-items: center;
	justify-content: center;
	color: var(--accent);
}

.detail-label {
	font-size: 0.75rem;
	font-weight: 600;
	text-transform: uppercase;
	letter-spacing: 0.06em;
	color: var(--text-faint);
}

.detail-value {
	font-weight: 500;
}

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

.contact-form-card {
	background: var(--bg-elevated);
	border: 1px solid var(--border);
	border-radius: var(--radius-md);
	padding: var(--space-4);
	box-shadow: var(--shadow-sm);
}

.form-row {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: var(--space-2);
}

.form-field { margin-bottom: var(--space-2); }

.form-field label {
	display: block;
	font-size: 0.8125rem;
	font-weight: 600;
	margin-bottom: 6px;
	color: var(--text-muted);
}

.form-field input,
.form-field textarea {
	width: 100%;
	padding: 12px var(--space-2);
	border: 1px solid var(--border);
	border-radius: var(--radius-sm);
	background: var(--input-bg);
	color: var(--text);
	transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

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

.form-field textarea { resize: vertical; min-height: 120px; }

.form-feedback {
	margin-top: var(--space-2);
	padding: var(--space-2);
	border-radius: var(--radius-sm);
	font-size: 0.875rem;
}

.form-feedback.is-success {
	background: color-mix(in srgb, var(--sage) 12%, transparent);
	color: var(--sage);
	border: 1px solid color-mix(in srgb, var(--sage) 30%, transparent);
}

.form-feedback.is-error {
	background: color-mix(in srgb, #c44 12%, transparent);
	color: #c44;
	border: 1px solid color-mix(in srgb, #c44 30%, transparent);
}

.form-feedback[hidden] { display: none; }

/* --- Single post --- */
.single-post-wrap {
	max-width: 720px;
	margin: 0 auto;
	padding: var(--space-6) var(--space-3) var(--space-7);
}

.single-post-back {
	display: inline-flex;
	align-items: center;
	gap: var(--space-1);
	font-size: 0.875rem;
	font-weight: 600;
	color: var(--text-muted);
	margin-bottom: var(--space-4);
}

.single-post-back:hover { color: var(--accent); }

.single-post-title {
	font-size: clamp(2rem, 5vw, 2.75rem);
	margin-bottom: var(--space-2);
}

.single-post-meta {
	font-size: 0.875rem;
	color: var(--text-muted);
	margin-bottom: var(--space-4);
}

.single-post-cover {
	border-radius: var(--radius-md);
	overflow: hidden;
	margin-bottom: var(--space-4);
	border: 1px solid var(--border);
}

.single-post-content {
	font-size: 1.0625rem;
	color: var(--text-muted);
}

.single-post-content h2,
.single-post-content h3 {
	font-family: var(--font-display);
	color: var(--text);
	margin: var(--space-4) 0 var(--space-2);
}

.single-post-content p { margin-bottom: var(--space-2); }
.single-post-content a { color: var(--accent); text-decoration: underline; }
.single-post-content pre {
	background: var(--bg-muted);
	padding: var(--space-2);
	border-radius: var(--radius-sm);
	overflow-x: auto;
	margin: var(--space-2) 0;
}

/* --- Footer --- */
.site-footer {
	border-top: 1px solid var(--border);
	padding: var(--space-4) 0;
}

.footer-inner {
	display: flex;
	flex-wrap: wrap;
	justify-content: space-between;
	align-items: center;
	gap: var(--space-2);
	font-size: 0.8125rem;
	color: var(--text-muted);
}

.footer-credit { opacity: 0.8; }

/* --- Utilities --- */
[hidden] { display: none !important; }

.sr-only {
	position: absolute;
	width: 1px; height: 1px;
	padding: 0; margin: -1px;
	overflow: hidden;
	clip: rect(0,0,0,0);
	border: 0;
}

/* --- Responsive --- */
@media (max-width: 1024px) {
	.hero { grid-template-columns: 1fr; gap: var(--space-4); text-align: center; }
	.hero-content { display: flex; flex-direction: column; align-items: center; }
	.hero-title { max-width: none; }
	.hero-lead { max-width: 48ch; margin-left: auto; margin-right: auto; }
	.hero-circle-wrap { width: min(100%, 300px); }
	.cv-layout { grid-template-columns: 1fr; }
	.contact-layout { grid-template-columns: 1fr; }
	.project-card, .project-card:nth-child(n) { grid-column: span 12; margin-top: 0; }

	.blog-grid {
		grid-template-columns: 1fr;
		justify-content: center;
	}

	.blog-card { max-width: 100%; margin: 0 auto; }
}

@media (max-width: 768px) {
	.menu-toggle { display: flex; }

	.site-nav {
		position: fixed;
		top: var(--header-h);
		right: 0;
		width: min(300px, 85vw);
		height: calc(100vh - var(--header-h));
		background: var(--bg-elevated);
		border-left: 1px solid var(--border);
		padding: var(--space-4);
		transform: translateX(100%);
		transition: transform var(--transition);
		z-index: 1001;
	}

	.site-nav.is-open { transform: translateX(0); }

	.site-nav .nav-list {
		flex-direction: column;
		align-items: flex-start;
		gap: var(--space-3);
	}

	.form-row { grid-template-columns: 1fr; }
	.section { padding: var(--space-6) 0; }
}

@media (prefers-reduced-motion: reduce) {
	*, *::before, *::after {
		animation-duration: 0.01ms !important;
		transition-duration: 0.01ms !important;
	}
}