@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,600;9..144,700&family=Space+Grotesk:wght@400;500;600;700&display=swap');

:root {
	--bg: #f6f0e6;
	--bg-deep: #efe2cf;
	--ink: #1a2a3a;
	--ink-soft: #3b4f60;
	--accent: #d85a2a;
	--accent-soft: #f2b763;
	--card: #fffaf2;
	--shadow: 0 18px 40px rgba(26, 42, 58, 0.12);
	--radius: 18px;
	--radius-sm: 12px;
}

* {
	box-sizing: border-box;
}

body {
	font-family: "Space Grotesk", "Trebuchet MS", sans-serif;
	margin: 0;
	color: var(--ink);
	background:
		radial-gradient(1200px 600px at 20% -10%, rgba(216, 90, 42, 0.14), transparent 60%),
		radial-gradient(900px 500px at 90% 10%, rgba(242, 183, 99, 0.2), transparent 65%),
		linear-gradient(180deg, var(--bg) 0%, #f9f5ee 45%, var(--bg-deep) 100%);
	min-height: 100vh;
}

body::before {
	content: "";
	position: fixed;
	inset: 0;
	pointer-events: none;
	background-image:
		linear-gradient(120deg, rgba(26, 42, 58, 0.05) 0%, transparent 50%),
		linear-gradient(0deg, rgba(255, 255, 255, 0.6), rgba(255, 255, 255, 0));
	opacity: 0.4;
	z-index: 0;
}

body > * {
	position: relative;
	z-index: 1;
}

img {
	max-width: 100%;
	display: block;
}

nav {
	position: sticky;
	top: 0;
	z-index: 10;
	background: rgba(255, 250, 242, 0.88);
	border-bottom: 1px solid rgba(26, 42, 58, 0.08);
	backdrop-filter: blur(10px);
}

nav ul {
	list-style: none;
	display: flex;
	flex-wrap: wrap;
	gap: 10px;
	justify-content: center;
	padding: 14px 20px;
	margin: 0;
}

nav li {
	margin: 0;
}

nav a {
	color: var(--ink);
	text-decoration: none;
	font-weight: 600;
	letter-spacing: 0.2px;
	padding: 8px 16px;
	border-radius: 999px;
	transition: all 0.2s ease;
	display: inline-flex;
	align-items: center;
	gap: 6px;
}

nav a:hover {
	background: rgba(216, 90, 42, 0.12);
	color: var(--accent);
}

.page-home nav a[href="/"],
.page-about nav a[href="about.html"],
.page-past nav a[href="past-contests.html"],
.page-sponsors nav a[href="sponsors.html"],
.page-signup nav a[href="signup.html"] {
	background: var(--accent);
	color: #fffaf2;
}

section {
	padding: 52px 20px 70px;
	max-width: 1100px;
	margin: 0 auto;
}

h1, h2, h3 {
	font-family: "Fraunces", "Georgia", serif;
	color: var(--ink);
	margin-top: 0;
}

h2 {
	font-size: clamp(1.6rem, 2.6vw, 2.2rem);
}

p {
	color: var(--ink-soft);
	line-height: 1.6;
}

a {
	color: var(--accent);
	text-decoration: none;
}

a:hover {
	color: #b44720;
}

#landing {
	padding-top: 80px;
}

.hero {
	min-height: 55vh;
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	text-align: center;
	gap: 8px;
	padding: 18px 12px 6px;
}

.hero-media {
	margin: 24px auto 10px;
	max-width: 1000px;
	border-radius: 26px;
	overflow: hidden;
	box-shadow: var(--shadow);
	border: 1px solid rgba(26, 42, 58, 0.1);
}

.hero-media img {
	width: 100%;
	height: clamp(240px, 42vw, 420px);
	object-fit: cover;
	display: block;
}

.gallery-strip {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
	gap: 16px;
	margin: 26px auto 0;
	max-width: 1000px;
}

.gallery-strip img {
	width: 100%;
	height: 190px;
	object-fit: cover;
	border-radius: var(--radius-sm);
	box-shadow: 0 14px 26px rgba(26, 42, 58, 0.12);
	border: 1px solid rgba(26, 42, 58, 0.1);
	display: block;
}

.hero-kicker {
	text-transform: uppercase;
	letter-spacing: 0.2em;
	font-weight: 700;
	font-size: 0.85rem;
	color: var(--ink-soft);
}

.hero-date {
	font-family: "Fraunces", "Georgia", serif;
	font-size: 1.4rem;
	color: var(--ink);
	margin-top: 4px;
}

.hero-cta {
	margin-top: 12px;
	font-size: 1.05rem;
	padding: 12px 26px;
}

.scroll-hint {
	margin-top: 12px;
	font-size: 0.95rem;
	color: rgba(26, 42, 58, 0.7);
}

.welcome-text {
	text-align: center;
	margin-bottom: 20px;
}

.welcome-text h1 {
	font-size: clamp(2.4rem, 5vw, 4rem);
	margin-bottom: 12px;
	letter-spacing: -0.5px;
}


.welcome-text p:not(.hero-subtitle) {
	font-size: clamp(0.98rem, 1.6vw, 1.25rem);
	margin: 16px auto 0;
	max-width: 52ch;
}

.welcome-text .hero-subtitle {
	font-size: clamp(2.2rem, 4vw, 3.2rem);
	font-weight: 700;
	letter-spacing: 0.04em;
	margin: 0;
}

.event-details {
	display: grid;
	gap: 24px;
	margin: 32px auto 0;
}

.location,
.schedule,
.info-block,
.author-card,
.updates-notice {
	background-color: var(--card);
	border-radius: var(--radius);
	box-shadow: var(--shadow);
	border: 1px solid rgba(26, 42, 58, 0.08);
}

.location {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
	align-items: center;
	gap: 20px;
	padding: 26px;
}

.location img {
	width: 100%;
	height: 220px;
	object-fit: cover;
	border-radius: var(--radius-sm);
}

.schedule {
	padding: 26px;
}

.schedule table {
	width: 100%;
	border-collapse: separate;
	border-spacing: 0 12px;
	margin-top: 12px;
}

.schedule td {
	padding: 12px 14px;
	background: #fffdf8;
	border-top: 1px solid rgba(26, 42, 58, 0.08);
	border-bottom: 1px solid rgba(26, 42, 58, 0.08);
}

.schedule td:first-child {
	font-weight: 600;
	width: 55%;
	border-left: 1px solid rgba(26, 42, 58, 0.08);
	border-radius: 10px 0 0 10px;
}

.schedule td:last-child {
	border-right: 1px solid rgba(26, 42, 58, 0.08);
	border-radius: 0 10px 10px 0;
}

.info-block {
	margin: 22px 0;
	padding: 26px;
}

.info-block ul {
	margin: 12px 0 0;
	padding-left: 22px;
}

.info-block li {
	color: var(--ink-soft);
	line-height: 1.6;
	margin: 6px 0;
}

.contest-list {
	list-style: none;
	margin: 0;
	padding: 0;
	display: grid;
	gap: 12px;
}

.contest-list li {
	padding: 14px 16px;
	border-radius: var(--radius-sm);
	background: #fffdf8;
	border: 1px solid rgba(26, 42, 58, 0.08);
}

.contest-list a {
	font-weight: 600;
}

.updates-notice {
	text-align: center;
	margin: 40px auto;
	padding: 18px 24px;
	max-width: 560px;
	background: linear-gradient(135deg, rgba(242, 183, 99, 0.35), rgba(255, 250, 242, 0.9));
}

.updates-notice p {
	margin: 0;
	font-size: 1.1em;
}

.faq-section {
	margin: 30px auto 0;
	padding: 28px 28px 24px;
	background: var(--card);
	border-radius: calc(var(--radius) + 2px);
	box-shadow: 0 20px 42px rgba(26, 42, 58, 0.14);
	border: 1px solid rgba(26, 42, 58, 0.1);
}

.faq-header {
	display: flex;
	justify-content: space-between;
	gap: 16px;
	align-items: baseline;
	flex-wrap: wrap;
	margin-bottom: 16px;
}

.faq-header p {
	margin: 0;
	max-width: 48ch;
}

.faq-grid {
	display: grid;
	grid-template-columns: 1fr;
	gap: 16px;
}

.faq-grid details {
	background: #fffdf8;
	border-radius: var(--radius-sm);
	padding: 16px 16px 14px;
	border: 1px solid rgba(26, 42, 58, 0.09);
	transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.faq-grid details[open] {
	box-shadow: 0 14px 28px rgba(26, 42, 58, 0.14);
	transform: translateY(-2px);
	border-color: rgba(216, 90, 42, 0.22);
}

.faq-grid summary {
	cursor: pointer;
	font-weight: 600;
	color: var(--ink);
	list-style: none;
	position: relative;
	padding-right: 24px;
}

.faq-grid summary::-webkit-details-marker {
	display: none;
}

.faq-grid summary::after {
	content: "+";
	position: absolute;
	right: 0;
	top: 0;
	font-weight: 700;
	color: var(--accent);
}

.faq-grid details[open] summary::after {
	content: "–";
}

.faq-grid details p {
	margin: 10px 0 0;
}

.cta-link {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	padding: 10px 18px;
	border-radius: 999px;
	background: var(--accent);
	color: #fffaf2;
	font-weight: 600;
	box-shadow: 0 12px 24px rgba(216, 90, 42, 0.2);
	transition: transform 0.2s ease, box-shadow 0.2s ease;
	border: none;
	cursor: pointer;
}

.cta-link:hover {
	color: #fffaf2;
	transform: translateY(-1px);
	box-shadow: 0 16px 26px rgba(216, 90, 42, 0.25);
}

.cta-disabled {
	background: rgba(59, 79, 96, 0.35);
	color: rgba(26, 42, 58, 0.7);
	box-shadow: none;
	cursor: not-allowed;
	transform: none;
}

.cta-disabled:hover {
	color: rgba(26, 42, 58, 0.7);
	box-shadow: none;
	transform: none;
}

.signup-note {
	margin-bottom: 12px;
	font-weight: 600;
}

.organizers-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
	gap: 16px;
	margin-top: 18px;
}

.organizers-grid .author-card {
	margin-top: 0;
	display: block;
	padding: 14px 16px;
}

.author-card {
	display: grid;
	grid-template-columns: auto 1fr;
	gap: 18px;
	align-items: center;
	padding: 18px 22px;
	margin-top: 18px;
}

.page-home .welcome-text {
	animation: heroFade 0.9s ease both;
}

.author-card img {
	width: 130px;
	height: 130px;
	object-fit: cover;
	border-radius: 14px;
	border: 1px solid rgba(26, 42, 58, 0.12);
}

.organizers-grid .author-card img {
	width: 120px;
	height: 120px;
	border-radius: 14px;
	float: left;
	margin: 2px 14px 8px 0;
}

.author-info h3 {
	margin-bottom: 2px;
}

.role-badge {
	display: inline-flex;
	align-items: center;
	padding: 2px 10px;
	margin: 4px 0 6px 0;
	border-radius: 999px;
	background: rgba(216, 90, 42, 0.12);
	color: #b24a1f;
	font-size: 0.75rem;
	font-weight: 700;
	letter-spacing: 0.06em;
	text-transform: uppercase;
}

.role-badge.role-problemsetter {
	background: rgba(216, 90, 42, 0.12);
	color: #b24a1f;
}

.role-badge.role-organizer {
	background: rgba(49, 140, 107, 0.16);
	color: #1c6b50;
}

.author-info p {
	margin-top: 4px;
}

.club-row {
	display: flex;
	align-items: center;
	gap: 20px;
	flex-wrap: wrap;
}

.sponsor-table {
	width: 100%;
	border-collapse: separate;
	border-spacing: 20px;
}

.sponsor-table td {
	padding: 16px;
	text-align: center;
	background: #fffdf8;
	border-radius: var(--radius-sm);
	border: 1px solid rgba(26, 42, 58, 0.08);
}

.sponsor-table img {
	max-width: 180px;
	margin: 0 auto;
	filter: saturate(1.05);
}

.floating-contact {
	position: fixed;
	bottom: 20px;
	right: 20px;
	background-color: rgba(255, 255, 255, 0.9);
	padding: 10px 20px;
	border-radius: 999px;
	box-shadow: 0 12px 30px rgba(26, 42, 58, 0.2);
	font-size: 0.9em;
}

.floating-contact p {
	margin: 0;
}

.center-content {
	display: flex;
	flex-direction: column;
	align-items: center;
	text-align: center;
}

@media screen and (max-width: 768px) {
	nav ul {
		justify-content: center;
		padding: 10px 16px;
	}

	.welcome-text h1 {
		font-size: 2.2rem;
	}

	.location {
		padding: 20px;
	}

	.location img {
		height: 200px;
	}

	.hero-media {
		margin-top: 18px;
	}

	.gallery-strip img {
		height: 170px;
	}

	.schedule td {
		padding: 10px;
	}

	.author-card {
		grid-template-columns: 1fr;
		text-align: center;
	}

	.author-card img {
		margin: 0 auto;
	}

	.organizers-grid .author-card {
		text-align: left;
	}

	.organizers-grid .author-card img {
		margin: 2px 14px 8px 0;
	}

	.organizers-grid .author-card::after {
		content: "";
		display: block;
		clear: both;
	}

	.sponsor-table {
		border-spacing: 10px;
		width: 100%;
	}

	.sponsor-table,
	.sponsor-table tbody,
	.sponsor-table tr,
	.sponsor-table td {
		display: block;
	}

	.sponsor-table tr {
		margin-bottom: 12px;
	}

	.sponsor-table td {
		width: 100%;
		margin-bottom: 12px;
	}
}

@media screen and (max-width: 480px) {
	nav a {
		padding: 6px 12px;
		font-size: 0.9rem;
	}

	section {
		padding: 42px 16px 56px;
	}

	.schedule td {
		font-size: 0.9rem;
	}

	h2 {
		font-size: 1.4rem;
	}

	.hero {
		min-height: 60vh;
	}

	.hero-media img {
		height: 220px;
	}

	.gallery-strip {
		grid-template-columns: 1fr;
	}

	.gallery-strip img {
		height: 210px;
	}

}

@keyframes heroFade {
	from {
		opacity: 0;
		transform: translateY(18px);
	}
	to {
		opacity: 1;
		transform: translateY(0);
	}
}

@keyframes cardRise {
	from {
		opacity: 0;
		transform: translateY(16px) scale(0.98);
	}
	to {
		opacity: 1;
		transform: translateY(0) scale(1);
	}
}

@keyframes navDrop {
	from {
		opacity: 0;
		transform: translateY(-12px);
	}
	to {
		opacity: 1;
		transform: translateY(0);
	}
}

@keyframes glowFloat {
	0% {
		opacity: 0;
		transform: translateY(14px);
		box-shadow: 0 0 0 rgba(216, 90, 42, 0.2);
	}
	60% {
		opacity: 1;
		transform: translateY(0);
		box-shadow: 0 18px 36px rgba(216, 90, 42, 0.18);
	}
	100% {
		opacity: 1;
		transform: translateY(0);
		box-shadow: 0 14px 30px rgba(216, 90, 42, 0.12);
	}
}

@media (prefers-reduced-motion: reduce) {
	* {
		animation-duration: 0.01ms !important;
		animation-iteration-count: 1 !important;
		transition-duration: 0.01ms !important;
	}
}