/* Alessandro Padella — custom site skin */
@import url('https://fonts.googleapis.com/css2?family=Instrument+Serif:ital@0;1&family=Outfit:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
	--bg0: #060708;
	--bg1: #0e1014;
	--bg-card: rgba(18, 20, 28, 0.72);
	--stroke: rgba(255, 245, 230, 0.09);
	--text: #f2efe8;
	--muted: #9b958c;
	--dim: #5c574f;
	--accent: #e8a54b;
	--accent-soft: rgba(232, 165, 75, 0.14);
	--mint: #5eead4;
	--mint-soft: rgba(94, 234, 212, 0.12);
	--radius: 18px;
	--radius-sm: 10px;
	--shadow: 0 24px 80px rgba(0, 0, 0, 0.55);
	--font-sans: 'Outfit', system-ui, sans-serif;
	--font-serif: 'Instrument Serif', Georgia, serif;
	--font-mono: 'JetBrains Mono', ui-monospace, monospace;
	--nav-w: 220px;
}

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

html {
	scroll-behavior: smooth;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
	outline: 2px solid var(--mint);
	outline-offset: 3px;
}
#nav a:focus-visible {
	outline-offset: 4px;
}

@media (prefers-reduced-motion: reduce) {
	html {
		scroll-behavior: auto;
	}
	*, *::before, *::after {
		animation-duration: 0.01ms !important;
		animation-iteration-count: 1 !important;
		transition-duration: 0.01ms !important;
	}
}

body {
	margin: 0;
	min-height: 100vh;
	font-family: var(--font-sans);
	font-weight: 400;
	font-size: 1.05rem;
	line-height: 1.65;
	color: var(--text);
	background: var(--bg0);
	overflow-x: hidden;
}

body.is-preload .reveal {
	opacity: 0;
	transform: translateY(16px);
}

.skip-link {
	position: absolute;
	left: -9999px;
	z-index: 999;
	padding: 0.75rem 1rem;
	background: var(--accent);
	color: #111;
	font-weight: 600;
	border-radius: var(--radius-sm);
}
.skip-link:focus {
	left: 1rem;
	top: 1rem;
}

.visually-hidden {
	position: absolute;
	width: 1px;
	height: 1px;
	padding: 0;
	margin: -1px;
	overflow: hidden;
	clip: rect(0, 0, 0, 0);
	white-space: nowrap;
	border: 0;
}

section[id] {
	scroll-margin-top: 5.5rem;
}

/* Ambient background */
.site-bg {
	pointer-events: none;
	position: fixed;
	inset: 0;
	z-index: 0;
	background:
		radial-gradient(ellipse 90% 60% at 10% -10%, rgba(232, 165, 75, 0.16), transparent 55%),
		radial-gradient(ellipse 70% 50% at 100% 0%, rgba(94, 234, 212, 0.1), transparent 50%),
		radial-gradient(ellipse 60% 40% at 50% 110%, rgba(120, 90, 200, 0.08), transparent 45%),
		var(--bg0);
}
.site-bg::after {
	content: '';
	position: absolute;
	inset: 0;
	opacity: 0.35;
	background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
	mix-blend-mode: overlay;
}

.grid-overlay {
	pointer-events: none;
	position: fixed;
	inset: 0;
	z-index: 0;
	background-image:
		linear-gradient(rgba(255, 255, 255, 0.028) 1px, transparent 1px),
		linear-gradient(90deg, rgba(255, 255, 255, 0.028) 1px, transparent 1px);
	background-size: 56px 56px;
	mask-image: radial-gradient(ellipse 80% 70% at 50% 40%, black, transparent);
	-webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 40%, black, transparent);
}

#wrapper {
	position: relative;
	z-index: 1;
	min-height: 100vh;
}

/* Hero */
.hero {
	position: relative;
	padding: clamp(2rem, 6vw, 5rem) clamp(1.25rem, 4vw, 3rem) clamp(3rem, 8vw, 6rem);
	max-width: 1200px;
	margin: 0 auto;
	display: grid;
	grid-template-columns: 1fr;
	gap: clamp(1.5rem, 4vw, 2.5rem);
	align-items: start;
}

.hero-copy {
	position: relative;
}

.hero-eyebrow {
	font-family: var(--font-mono);
	font-size: 0.72rem;
	font-weight: 500;
	letter-spacing: 0.22em;
	text-transform: uppercase;
	color: var(--mint);
	margin: 0 0 1rem;
}

.hero h1 {
	font-family: var(--font-serif);
	font-size: clamp(2.6rem, 6vw, 4.25rem);
	font-weight: 400;
	line-height: 1.05;
	margin: 0 0 0.75rem;
	letter-spacing: -0.02em;
}

.hero h1 em {
	font-style: italic;
	color: var(--accent);
}

.hero-lead {
	font-size: clamp(1.15rem, 2.2vw, 1.35rem);
	font-weight: 300;
	color: var(--muted);
	max-width: 36ch;
	margin: 0 0 1.5rem;
}

.hero-meta {
	display: flex;
	flex-wrap: wrap;
	gap: 0.5rem 1rem;
	font-family: var(--font-mono);
	font-size: 0.75rem;
	color: var(--dim);
}
.hero-meta span {
	display: inline-flex;
	align-items: center;
	gap: 0.4rem;
}
.hero-meta span::before {
	content: '';
	width: 6px;
	height: 6px;
	border-radius: 50%;
	background: var(--accent);
	box-shadow: 0 0 12px var(--accent);
}

/* Nav */
#nav {
	position: sticky;
	top: 0;
	z-index: 50;
	margin: 0 auto;
	max-width: 1200px;
	padding: 0.5rem clamp(1rem, 3vw, 1.5rem);
}
#nav ul {
	list-style: none;
	margin: 0;
	padding: 0.35rem;
	display: flex;
	flex-wrap: wrap;
	gap: 0.25rem;
	justify-content: center;
	background: rgba(8, 9, 12, 0.65);
	backdrop-filter: blur(16px);
	-webkit-backdrop-filter: blur(16px);
	border: 1px solid var(--stroke);
	border-radius: 999px;
	box-shadow: 0 8px 40px rgba(0, 0, 0, 0.35);
}
#nav a {
	display: block;
	padding: 0.55rem 1rem;
	font-size: 0.82rem;
	font-weight: 500;
	color: var(--muted);
	text-decoration: none;
	border-radius: 999px;
	transition: color 0.2s, background 0.2s;
}
#nav a:hover {
	color: var(--text);
	background: rgba(255, 255, 255, 0.05);
}
#nav a.active {
	color: var(--bg0);
	background: linear-gradient(135deg, var(--accent), #f0c47a);
	box-shadow: 0 0 24px rgba(232, 165, 75, 0.35);
}

/* Main sections */
#main {
	max-width: 1200px;
	margin: 0 auto;
	padding: 0 clamp(1.25rem, 4vw, 3rem) 4rem;
}

section.main {
	margin-bottom: clamp(3rem, 8vw, 5rem);
}

.section-head {
	margin-bottom: 1.75rem;
}
.section-head h2 {
	font-family: var(--font-serif);
	font-size: clamp(1.85rem, 3.5vw, 2.5rem);
	font-weight: 400;
	margin: 0;
	letter-spacing: -0.02em;
}
.section-head p {
	margin: 0.5rem 0 0;
	color: var(--muted);
	font-size: 0.95rem;
	max-width: 52ch;
}

.card {
	background: var(--bg-card);
	backdrop-filter: blur(10px);
	-webkit-backdrop-filter: blur(10px);
	border: 1px solid var(--stroke);
	border-radius: var(--radius);
	padding: clamp(1.25rem, 3vw, 2rem);
	box-shadow: 0 4px 0 rgba(0, 0, 0, 0.2);
}

/* Bio + tags */
.tag-cloud {
	display: flex;
	flex-wrap: wrap;
	gap: 0.5rem;
	margin-top: 1.25rem;
	list-style: none;
	padding: 0;
}
.tag-cloud li {
	font-family: var(--font-mono);
	font-size: 0.72rem;
	padding: 0.4rem 0.75rem;
	border-radius: 999px;
	border: 1px solid var(--stroke);
	background: rgba(255, 255, 255, 0.03);
	color: var(--text);
	transition: border-color 0.2s, transform 0.2s;
}
.tag-cloud li:hover {
	border-color: rgba(232, 165, 75, 0.45);
	transform: translateY(-2px);
}

/* Timeline */
.timeline {
	position: relative;
	padding-left: 0;
	list-style: none;
	margin: 0;
}
.timeline li {
	position: relative;
	padding: 1rem 0 1rem 1.75rem;
	border-left: 1px solid var(--stroke);
}
.timeline li:last-child {
	padding-bottom: 0;
}
.timeline li::before {
	content: '';
	position: absolute;
	left: -5px;
	top: 1.35rem;
	width: 9px;
	height: 9px;
	border-radius: 50%;
	background: var(--bg0);
	border: 2px solid var(--accent);
	box-shadow: 0 0 0 4px var(--accent-soft);
}
.timeline time {
	font-family: var(--font-mono);
	font-size: 0.7rem;
	font-weight: 500;
	color: var(--mint);
	letter-spacing: 0.06em;
	display: block;
	margin-bottom: 0.35rem;
}
.timeline p {
	margin: 0;
	color: var(--text);
	font-size: 0.98rem;
}

/* Parse timeline text — we'll use structured HTML in index */

/* Award */
.award-block {
	display: flex;
	gap: 1.25rem;
	align-items: flex-start;
	padding: 1.5rem;
	border-radius: var(--radius);
	border: 1px solid var(--stroke);
	background: linear-gradient(135deg, var(--accent-soft), var(--mint-soft));
}
.award-icon {
	flex-shrink: 0;
	width: 48px;
	height: 48px;
	border-radius: 12px;
	background: rgba(0, 0, 0, 0.35);
	display: grid;
	place-items: center;
	font-size: 1.35rem;
}
.award-block h3 {
	font-family: var(--font-sans);
	font-size: 1.1rem;
	font-weight: 600;
	margin: 0 0 0.35rem;
}
.award-block p {
	margin: 0;
	color: var(--muted);
	font-size: 0.92rem;
}

/* Publications */
.pub-year {
	font-family: var(--font-mono);
	font-size: 0.75rem;
	font-weight: 500;
	letter-spacing: 0.12em;
	text-transform: uppercase;
	color: var(--accent);
	margin: 2rem 0 0.75rem;
}
.pub-year:first-child {
	margin-top: 0;
}
.pub-list {
	list-style: none;
	padding: 0;
	margin: 0;
	display: flex;
	flex-direction: column;
	gap: 0.85rem;
}
.pub-list li {
	position: relative;
	padding-left: 1rem;
	border-left: 2px solid transparent;
	transition: border-color 0.2s;
}
.pub-list li:hover {
	border-left-color: var(--mint);
}
.pub-list a {
	color: var(--text);
	text-decoration: none;
	border-bottom: 1px solid rgba(255, 255, 255, 0.12);
	transition: color 0.2s, border-color 0.2s;
	word-break: break-word;
}
.pub-list a:hover {
	color: var(--mint);
	border-bottom-color: var(--mint);
}

.intro-note {
	color: var(--muted);
	font-size: 0.95rem;
	margin-bottom: 1.5rem;
}
.intro-note a {
	color: var(--accent);
	text-decoration: none;
	border-bottom: 1px solid rgba(232, 165, 75, 0.4);
}
.intro-note a:hover {
	color: var(--mint);
	border-bottom-color: var(--mint);
}

/* Teaching */
.teach-grid {
	display: grid;
	gap: 1.5rem;
}
@media (min-width: 700px) {
	.teach-grid {
		grid-template-columns: 1fr 1fr;
	}
}
.teach-grid h3 {
	font-family: var(--font-serif);
	font-size: 1.35rem;
	font-weight: 400;
	margin: 0 0 1rem;
	color: var(--text);
}
.teach-grid ul {
	margin: 0;
	padding: 0;
	list-style: none;
	display: flex;
	flex-direction: column;
	gap: 0.85rem;
}
.teach-grid li {
	padding: 0.85rem 1rem;
	border-radius: var(--radius-sm);
	background: rgba(255, 255, 255, 0.03);
	border: 1px solid var(--stroke);
	font-size: 0.92rem;
	line-height: 1.55;
}
.teach-grid li b {
	color: var(--accent);
	font-weight: 600;
}
.teach-cta {
	margin-top: 1.5rem;
	font-family: var(--font-serif);
	font-size: 1.15rem;
	font-style: italic;
}
.teach-cta a {
	color: var(--mint);
	text-decoration: none;
	border-bottom: 1px solid rgba(94, 234, 212, 0.4);
}
.teach-cta a:hover {
	color: var(--accent);
	border-bottom-color: var(--accent);
}

/* Footer */
#footer {
	max-width: 1200px;
	margin: 0 auto;
	padding: 3rem clamp(1.25rem, 4vw, 3rem) 2rem;
	border-top: 1px solid var(--stroke);
	display: grid;
	gap: 2.5rem;
	scroll-margin-top: 2rem;
}
@media (min-width: 800px) {
	#footer {
		grid-template-columns: 1fr 1fr;
		align-items: start;
	}
}
#footer h3 {
	font-family: var(--font-serif);
	font-size: 1.35rem;
	margin: 0 0 1rem;
	font-weight: 400;
}
#footer ul {
	list-style: none;
	padding: 0;
	margin: 0;
}
#footer li {
	margin-bottom: 0.5rem;
	color: var(--muted);
	font-size: 0.92rem;
}
#footer a {
	color: var(--text);
	text-decoration: none;
	border-bottom: 1px solid rgba(255, 255, 255, 0.15);
	transition: color 0.2s, border-color 0.2s;
}
#footer a:hover {
	color: var(--mint);
	border-bottom-color: var(--mint);
}

#footer form div {
	margin-bottom: 0.75rem;
}
#footer input,
#footer textarea {
	width: 100%;
	padding: 0.75rem 1rem;
	font-family: var(--font-sans);
	font-size: 0.9rem;
	color: var(--text);
	background: rgba(0, 0, 0, 0.35);
	border: 1px solid var(--stroke);
	border-radius: var(--radius-sm);
	transition: border-color 0.2s, box-shadow 0.2s;
}
#footer input:focus,
#footer textarea:focus {
	outline: none;
	border-color: rgba(232, 165, 75, 0.55);
	box-shadow: 0 0 0 3px var(--accent-soft);
}
#footer textarea {
	resize: vertical;
	min-height: 100px;
}
#footer button {
	font-family: var(--font-sans);
	font-weight: 600;
	font-size: 0.9rem;
	padding: 0.75rem 1.5rem;
	border: none;
	border-radius: 999px;
	cursor: pointer;
	color: #111;
	background: linear-gradient(135deg, var(--accent), #f0c47a);
	box-shadow: 0 8px 24px rgba(232, 165, 75, 0.3);
	transition: transform 0.15s, box-shadow 0.15s;
}
#footer button:hover {
	transform: translateY(-2px);
	box-shadow: 0 12px 32px rgba(232, 165, 75, 0.4);
}

.copyright {
	grid-column: 1 / -1;
	text-align: center;
	font-size: 0.8rem;
	color: var(--dim);
	margin: 0;
	padding-top: 1rem;
}
.copyright a {
	color: var(--muted);
	border: none;
}

/* Reveal */
.reveal {
	opacity: 0;
	transform: translateY(20px);
	transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}
.reveal.is-visible {
	opacity: 1;
	transform: none;
}

/* Pokémon sprite — hero accent */
.hero-logo {
	width: clamp(140px, 32vw, 220px);
	height: auto;
	margin-bottom: 1.25rem;
	opacity: 0.95;
	filter: drop-shadow(0 12px 32px rgba(0, 0, 0, 0.45));
}