:root {
	--ground: #0b0817;
	--ink: #d6e0f2;
	--dim: #7d91b8;
	--green: #7cf0a0;
	--teal: #7fe6d6;
	--violet: #c48ae4;
	--gold: #ffd27c;
	--mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
}

* { box-sizing: border-box; }

html, body {
	margin: 0;
	min-height: 100%;
	background: var(--ground);
	color: var(--ink);
	font-family: var(--mono);
	font-size: 16px;
	line-height: 1.5;
	-webkit-font-smoothing: antialiased;
}

/* Hero: "dissolve" is a text piece, 64 columns by 13 rows drawn in a <pre>,
   so its size follows the font size here. Scale it with the viewport and cap
   it so it stays a modest banner on a laptop screen. */
.hero {
	width: 100%;
	display: flex;
	justify-content: center;
	padding-top: 2.5rem;
	color: var(--teal);
	font-size: clamp(6px, 1.3vw, 13px);
	text-shadow: 0 0 18px rgba(127, 230, 214, 0.35);
}

#main {
	position: relative;
	z-index: 1;
	min-height: 100vh;
	min-height: 100dvh;
	display: flex;
	flex-direction: column;
	align-items: center;
	padding: 0 1rem 1.5rem;
	gap: 1rem;
}

/* Everything between the hero and the footer: the card sits in its middle. */
.content {
	flex: 1;
	width: 100%;
	display: flex;
	align-items: flex-start;
	justify-content: center;
}

.card {
	width: min(100%, 44rem);
	border: 1px solid rgba(214, 224, 242, 0.18);
	background: rgba(5, 8, 15, 0.62);
	box-shadow: 0 0 0 1px rgba(5, 8, 15, 0.6), 0 20px 60px rgba(0, 0, 0, 0.5);
}

.card .bar {
	display: flex;
	align-items: center;
	gap: 0.5rem;
	padding: 0.5rem 0.9rem;
	border-bottom: 1px solid rgba(214, 224, 242, 0.12);
	color: var(--dim);
	font-size: 0.8rem;
	letter-spacing: 0.02em;
}
.card .bar .dot { color: var(--violet); }
.card .bar .dot + .dot { color: var(--gold); }
.card .bar .dot + .dot + .dot { color: var(--green); }

.card .body { padding: 1.5rem 1.5rem 1.25rem; }

.line { margin: 0 0 0.35rem; color: var(--dim); }
.line .prompt { color: var(--green); }
.line .cmd { color: var(--ink); }

h1 {
	margin: 0.25rem 0 0.5rem;
	font-size: clamp(1.75rem, 5vw, 2.6rem);
	font-weight: 700;
	letter-spacing: -0.01em;
	color: var(--ink);
	text-shadow: 0 0 24px rgba(124, 240, 160, 0.25);
}

.tagline {
	color: var(--teal);
	font-size: 1rem;
	min-height: 3.6em; /* typewriter renders 3 rows at line-height 1.2 */
	margin: 0 0 1.25rem;
}
.tagline ascii-art pre {
	line-height: 1.2;
	/* The typewriter piece centres its text in a 44-column line; with the
	   phrases in index.html that is 12 leading spaces. Pull them back so the
	   text lines up with the heading. Adjust if the longest phrase changes. */
	margin-left: -12ch;
}
.tagline noscript { color: var(--teal); }

nav ul {
	list-style: none;
	margin: 0;
	padding: 0;
	display: grid;
	grid-template-columns: max-content 1fr;
	column-gap: 1.25rem;
	row-gap: 0.4rem;
	align-items: baseline;
}
nav .k { color: var(--dim); }
nav .k::before { content: "$ "; color: var(--green); }
nav a {
	color: var(--ink);
	text-decoration: none;
	border-bottom: 1px dotted rgba(214, 224, 242, 0.35);
	transition: color 0.15s, border-color 0.15s;
}
nav a:hover, nav a:focus-visible {
	color: var(--gold);
	border-bottom-color: var(--gold);
	outline: none;
}

footer {
	margin-top: auto;
	text-align: center;
	color: var(--dim);
	font-size: 0.8rem;
}
footer a { color: inherit; }

@media (max-width: 480px) {
	.card .body { padding: 1.2rem 1rem 1rem; }
	nav ul { grid-template-columns: 1fr; row-gap: 0.2rem; }
	nav .k { margin-top: 0.4rem; }
	.tagline { font-size: 0.85rem; }
}

@media (prefers-reduced-motion: reduce) {
	nav a { transition: none; }
}