/* ─────────────────────────────────────────────
   Global styles (PicoCSS v2 override)
   ───────────────────────────────────────────── */

/* Fonts */
:root {
	--font-display: 'Instrument Serif', Georgia, serif;
	--font-body: 'DM Sans', system-ui, sans-serif;

	/* Brand colours — ink on paper */
	--ink: #1a1a1a;
	--paper: #f5f0eb;
	--accent: var(--pico-primary);
	--accent-hover: var(--pico-primary-hover);
	--muted: #6b7280;
	--border: rgba(0, 0, 0, 0.08);

	/* Spacing helpers */
	--section-gap: 5rem;
	--card-radius: 0.75rem;
}

[data-theme='dark'] {
	--ink: #e8e3dc;
	--paper: #131211;
	--border: rgba(255, 255, 255, 0.07);
	--muted: #9ca3af;
}

/* System preference fallback (when no data-theme attribute set) */
@media (prefers-color-scheme: dark) {
	:root:not([data-theme]) {
		--ink: #e8e3dc;
		--paper: #131211;
		--border: rgba(255, 255, 255, 0.07);
		--muted: #9ca3af;
	}
}

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

html {
	scroll-behavior: smooth;
}

body {
	font-family: var(--font-body);
	font-size: 1rem;
	line-height: 1.65;
	color: var(--ink);
	background: var(--paper);
	-webkit-font-smoothing: antialiased;
}

/* ── Pico overrides ────────────────────────── */
:root {
	--pico-font-family: var(--font-body);
	--pico-border-radius: var(--card-radius);
}

/* ── Shared utilities ─────────────────────── */
.container {
	max-width: 72rem;
	margin: 0 auto;
	padding: 0 1.5rem;
}

.section {
	padding: var(--section-gap) 0;
}

.section-label {
	font-size: 0.78rem;
	font-weight: 700;
	letter-spacing: 0.08em;
	text-transform: uppercase;
	color: var(--accent);
	margin-bottom: 0.5rem;
}

.section-heading {
	font-family: var(--font-display);
	font-size: clamp(1.7rem, 4vw, 2.4rem);
	font-weight: 400;
	letter-spacing: -0.02em;
	color: var(--ink);
	margin-bottom: 0.75rem;
	line-height: 1.2;
}

.section-sub {
	font-size: 1rem;
	color: var(--muted);
	max-width: 52ch;
	line-height: 1.6;
}

.hero-actions {
	display: flex;
	gap: 0.75rem;
	justify-content: center;
	flex-wrap: wrap;
}

.btn-primary {
	display: inline-flex;
	align-items: center;
	gap: 0.45rem;
	background: var(--accent);
	color: #fff !important;
	font-weight: 600;
	font-size: 0.95rem;
	padding: 0.7rem 1.4rem;
	border-radius: 0.5rem;
	text-decoration: none;
	border: none;
	transition:
		background 0.15s,
		transform 0.1s;
}

.btn-primary:hover {
	background: var(--accent-hover);
	transform: translateY(-1px);
}

.btn-secondary {
	display: inline-flex;
	align-items: center;
	gap: 0.45rem;
	background: transparent;
	color: var(--ink) !important;
	font-weight: 500;
	font-size: 0.95rem;
	padding: 0.7rem 1.4rem;
	border-radius: 0.5rem;
	text-decoration: none;
	border: 1px solid var(--border);
	transition:
		background 0.15s,
		border-color 0.15s;
}

.btn-secondary:hover {
	background: var(--border);
	border-color: var(--muted);
}

/* ── Dividers ──────────────────────────────── */
hr.section-divider {
	border: none;
	border-top: 1px solid var(--border);
	margin: 0;
}

/* ── Responsive ────────────────────────────── */
@media (max-width: 640px) {
	.btn-primary,
	.btn-secondary {
		justify-content: center;
	}
}