/* ==========================================================================
   De Fontaine-l'Évêque à Marseille en vélo — feuille de style
   ========================================================================== */

:root {
	--color-navy: #0b2545;
	--color-navy-dark: #071a33;
	--color-orange: #ff6b35;
	--color-offwhite: #f7f5f0;
	--color-text: #1c1c1c;
	--color-text-muted: #5a5f66;
	--color-card-bg: #ffffff;
	--color-border: #e2e0d8;
	--radius: 10px;
	--max-width: 1100px;
}

@media (prefers-color-scheme: dark) {
	:root {
		--color-offwhite: #10182a;
		--color-text: #f2f0ea;
		--color-text-muted: #b7bcc7;
		--color-card-bg: #16223b;
		--color-border: #24304a;
	}
}

* {
	box-sizing: border-box;
}

html {
	scroll-behavior: smooth;
}

body {
	margin: 0;
	font-family: "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
	background: var(--color-offwhite);
	color: var(--color-text);
	line-height: 1.5;
}

h1, h2, h3 {
	font-weight: 700;
	line-height: 1.2;
}

a {
	color: var(--color-orange);
}

/* ---------- Hero / en-tête ---------- */

.hero {
	background: linear-gradient(160deg, var(--color-navy), var(--color-navy-dark));
	color: #ffffff;
}

.topnav {
	max-width: var(--max-width);
	margin: 0 auto;
	display: flex;
	align-items: center;
	justify-content: space-between;
	padding: 1rem 1.5rem;
}

.brand {
	font-weight: 700;
	letter-spacing: 0.05em;
	color: #ffffff;
}

.nav-links {
	display: flex;
	gap: 1.25rem;
}

.nav-links a {
	color: #f0ede4;
	text-decoration: none;
	font-size: 0.95rem;
}

.nav-links a:hover {
	color: var(--color-orange);
}

.hero-content {
	max-width: var(--max-width);
	margin: 0 auto;
	padding: 2.5rem 1.5rem 3rem;
	text-align: center;
}

.eyebrow {
	text-transform: uppercase;
	letter-spacing: 0.15em;
	font-size: 0.85rem;
	color: var(--color-orange);
	margin: 0 0 0.5rem;
}

.hero h1 {
	font-size: clamp(1.8rem, 4vw, 2.8rem);
	margin: 0 0 0.5rem;
}

.subtitle {
	font-size: 1.1rem;
	color: #e4e1d8;
	margin: 0 0 2rem;
}

.summary-stats {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
	gap: 1rem;
	max-width: 700px;
	margin: 0 auto;
}

.summary-stats .stat {
	background: rgba(255, 255, 255, 0.08);
	border: 1px solid rgba(255, 255, 255, 0.15);
	border-radius: var(--radius);
	padding: 0.9rem 0.5rem;
}

.summary-stats dt {
	font-size: 0.8rem;
	color: #cfd3dc;
	margin: 0 0 0.35rem;
}

.summary-stats dd {
	margin: 0;
	font-size: 1.15rem;
	font-weight: 700;
	color: var(--color-orange);
}

/* ---------- Sections générales ---------- */

.section {
	max-width: var(--max-width);
	margin: 0 auto;
	padding: 3rem 1.5rem;
}

.section h2 {
	font-size: 1.6rem;
	margin: 0 0 1.25rem;
	color: var(--color-navy);
}

@media (prefers-color-scheme: dark) {
	.section h2 {
		color: #ffffff;
	}
}

.section p {
	max-width: 70ch;
	color: var(--color-text-muted);
}

/* ---------- Carte ---------- */

.map-wrapper {
	position: relative;
}

#map {
	width: 100%;
	height: 60vh;
	min-height: 320px;
	border-radius: var(--radius);
	border: 1px solid var(--color-border);
}

#center-map-btn {
	position: absolute;
	top: 0.75rem;
	right: 0.75rem;
	z-index: 500;
}

.error-message {
	margin-top: 1rem;
	padding: 0.75rem 1rem;
	border-radius: var(--radius);
	background: #fdecea;
	color: #8a2018;
	border: 1px solid #f3b8b0;
}

@media (prefers-color-scheme: dark) {
	.error-message {
		background: #3a1a17;
		color: #ff9f95;
		border-color: #6b2c25;
	}
}

.map-legend {
	list-style: none;
	display: flex;
	flex-wrap: wrap;
	gap: 0.6rem 1.25rem;
	margin: 1.25rem 0 0;
	padding: 0;
}

.map-legend li {
	display: flex;
	align-items: center;
	gap: 0.4rem;
	font-size: 0.85rem;
	color: var(--color-text-muted);
}

.legend-swatch {
	display: inline-block;
	width: 12px;
	height: 12px;
	border-radius: 50%;
	flex-shrink: 0;
}

/* ---------- Boutons ---------- */

.button {
	display: inline-block;
	background: var(--color-orange);
	color: #ffffff;
	border: none;
	border-radius: var(--radius);
	padding: 0.6rem 1.1rem;
	font-size: 0.9rem;
	font-weight: 600;
	text-decoration: none;
	cursor: pointer;
}

.button:hover {
	background: #e2571f;
}

.button-secondary {
	background: transparent;
	color: var(--color-navy);
	border: 1px solid var(--color-navy);
}

@media (prefers-color-scheme: dark) {
	.button-secondary {
		color: #ffffff;
		border-color: #ffffff;
	}
}

/* ---------- Étapes ---------- */

.stages-grid {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
	gap: 1.25rem;
}

.stage-card {
	background: var(--color-card-bg);
	border: 1px solid var(--color-border);
	border-left: 6px solid var(--stage-color, var(--color-orange));
	border-radius: var(--radius);
	padding: 1.25rem;
	box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
}

.stage-card h3 {
	margin: 0 0 0.35rem;
	font-size: 1.1rem;
	color: var(--color-navy);
}

@media (prefers-color-scheme: dark) {
	.stage-card h3 {
		color: #ffffff;
	}
}

.stage-date {
	margin: 0 0 0.9rem;
	font-size: 0.85rem;
	color: var(--color-text-muted);
}

.stage-details {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 0.5rem 1rem;
	margin: 0 0 1rem;
	padding: 0;
}

.stage-details div {
	font-size: 0.85rem;
}

.stage-details dt {
	color: var(--color-text-muted);
	margin: 0;
}

.stage-details dd {
	margin: 0;
	font-weight: 700;
}

.stage-actions {
	display: flex;
	flex-wrap: wrap;
	gap: 0.6rem;
	align-items: center;
}

.stage-actions .button {
	padding: 0.45rem 0.85rem;
	font-size: 0.85rem;
}

.gpx-link {
	font-size: 0.85rem;
}

.stage-error {
	font-size: 0.85rem;
	color: #b03a2e;
}

@media (prefers-color-scheme: dark) {
	.stage-error {
		color: #ff9f95;
	}
}

/* ---------- Pied de page ---------- */

.site-footer {
	max-width: var(--max-width);
	margin: 0 auto;
	padding: 2rem 1.5rem 3rem;
	text-align: center;
	font-size: 0.85rem;
	color: var(--color-text-muted);
}

.site-footer a {
	color: var(--color-text-muted);
}

/* ---------- Responsive ---------- */

@media (max-width: 640px) {
	.topnav {
		flex-direction: column;
		gap: 0.5rem;
	}

	.nav-links {
		gap: 0.9rem;
		flex-wrap: wrap;
		justify-content: center;
	}

	#center-map-btn {
		position: static;
		display: block;
		width: 100%;
		margin-top: 0.75rem;
	}
}