/* Shared style of the Simons Semester pages and the final-conference page.
   The two differ only in the colour variables below and the header picture. */

body.semester {
	--dark: #123a5e;
	--accent: #0e7c86;
	--light: #9ff0e1;
	--band: #e9f3f6;
}
body.conference {
	--dark: #3b1f5c;
	--accent: #7a2f6b;
	--light: #ffd27a;
	--band: #f4eef8;
}

* { box-sizing: border-box; }
body {
	margin: 0;
	background: #fff;
	color: #1a1a1a;
	font-family: -apple-system, "Helvetica Neue", Arial, sans-serif;
	line-height: 1.6;
}

/* Header band */
.hero { background: linear-gradient(120deg, var(--dark), var(--accent)); color: #fff; }
.hero-in {
	max-width: 60rem; margin: 0 auto; padding: 2rem 1.25rem;
	display: flex; align-items: center; gap: 2rem;
}
.hero-img {
	width: 220px; max-width: 40%; flex-shrink: 0;
	background: #fff; border-radius: 12px; padding: .5rem;
}
.hero-img img { display: block; width: 100%; height: auto; }
.kicker { font-size: .9rem; opacity: .9; }
.kicker a, .hero h1 a { color: inherit; }
.kicker a { color: var(--light); }
.hero h1 { font-size: clamp(1.5rem, 3.6vw, 2.4rem); line-height: 1.2; margin: .5rem 0; }
.hero h1 a { text-decoration: none; }
.when { font-size: 1.1rem; color: var(--light); font-weight: 600; }

/* Menu bar */
.menu {
	background: var(--band); position: sticky; top: 0; z-index: 10;
	display: flex; flex-wrap: wrap; justify-content: center;
	gap: .25rem 1.25rem; padding: .6rem 1rem; margin: 0; list-style: none;
}
.menu li { margin: 0; }
.menu a { color: var(--dark); text-decoration: none; font-weight: 600; font-size: .95rem; padding-bottom: 2px; }
.menu a:hover, .menu .current a { border-bottom: 3px solid var(--accent); }

/* Funders' logo bar: same markup as before (logos.inc.php); only shrink on phones */
@media (max-width: 600px) {
	.sponsor-logos { gap: 1.25em !important; }
	.sponsor-logos img:nth-child(1), .sponsor-logos img:nth-child(2) { height: 52px !important; }
	.sponsor-logos img:nth-child(3) { height: 24px !important; }
	.sponsor-logos img:nth-child(4) { height: 38px !important; }
}

/* Page content */
main { max-width: 46rem; margin: 0 auto; padding: 1rem 1.25rem 3rem; }
main h1.page-title { color: var(--dark); font-size: 1.9rem; margin: 1.2rem 0 .5rem; }
main h2 { color: var(--dark); margin-top: 2.2rem; scroll-margin-top: 4rem; }
main h3 { color: var(--dark); }
main a { color: var(--accent); }
main ul { padding-left: 1.2rem; }
main li { margin: .25rem 0; }
main img { max-width: 100%; height: auto; }

footer.site-footer {
	max-width: 46rem; margin: 0 auto; padding: 1.5rem 1.25rem 3rem;
	border-top: 1px solid #ddd; font-size: .9rem; color: #444;
}
footer.site-footer a { color: var(--accent); }

@media (max-width: 600px) {
	.hero-in { flex-direction: column; text-align: center; }
	.hero-img { max-width: 60%; }
}