/* JW – Objectif Permis Bateau : pages
   Direction : la nuit en mer. Fond d'abysse, texte de brume, magenta des
   cartes marines et ambre des feux. Le bloc pose son propre fond : le rendu
   ne dépend plus du thème actif, clair ou sombre.
   Signature : le liseré rouge-blanc-vert des feux de navigation. */

.opbp {
	--c-abysse: #061520;
	--c-fond: #0a2130;
	--c-relief: #0f2c3e;
	--c-brume: #e9f0f4;
	--c-brume-2: #93aab9;
	--c-magenta: #ff2d78;
	--c-ambre: #f0b429;
	--c-babord: #ff5c5c;
	--c-tribord: #35d18a;
	--c-trait: rgba(255, 255, 255, .11);
	--c-trait-fort: rgba(255, 255, 255, .22);
	--mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;

	background: var(--c-fond);
	color: var(--c-brume);
	border-radius: 16px;
	padding: 0 0 clamp(28px, 4vw, 44px);
	overflow: hidden;
	line-height: 1.65;
	-webkit-font-smoothing: antialiased;
}

.opbp *, .opbp *::before, .opbp *::after { box-sizing: border-box; }

.opbp > * { padding-left: clamp(20px, 5vw, 56px); padding-right: clamp(20px, 5vw, 56px); }

.opbp p { color: var(--c-brume-2); margin: 0 0 1.1em; max-width: 66ch; }
.opbp h2, .opbp h3 { color: var(--c-brume); letter-spacing: -.02em; }
.opbp h2 { font-size: clamp(1.35rem, 3vw, 1.75rem); margin: 52px 0 16px; line-height: 1.25; }
.opbp h3 { font-size: 1.1rem; margin: 36px 0 14px; }
.opbp a { color: var(--c-magenta); }

/* ---------- Étiquettes ---------- */

.opbp-eyebrow {
	display: inline-block;
	font: 600 10px/1 var(--mono);
	letter-spacing: .2em;
	text-transform: uppercase;
	color: var(--c-magenta);
	margin-bottom: 18px;
	padding-bottom: 7px;
	border-bottom: 1px solid rgba(255, 45, 120, .35);
}

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

.opbp-btn {
	display: inline-block;
	font: 600 .95rem/1 inherit;
	padding: 16px 30px;
	border-radius: 8px;
	border: 1px solid var(--c-magenta);
	background: var(--c-magenta);
	color: #fff !important;
	text-decoration: none !important;
	transition: box-shadow .2s ease, transform .2s ease, background .2s ease;
}
.opbp-btn:hover {
	background: #ff4a8b;
	box-shadow: 0 8px 26px rgba(255, 45, 120, .3);
	transform: translateY(-1px);
}
.opbp-btn-fant {
	background: transparent;
	color: var(--c-brume) !important;
	border-color: var(--c-trait-fort);
}
.opbp-btn-fant:hover {
	background: rgba(255, 255, 255, .05);
	border-color: var(--c-brume-2);
	box-shadow: none;
}
.opbp a:focus-visible, .opbp button:focus-visible {
	outline: 2px solid var(--c-ambre);
	outline-offset: 3px;
}

/* ---------- Hero ---------- */

.opbp-hero {
	position: relative;
	padding-top: clamp(56px, 9vw, 96px);
	padding-bottom: clamp(44px, 6vw, 64px);
	background:
		radial-gradient(120% 100% at 50% -20%, rgba(255, 45, 120, .16), transparent 60%),
		linear-gradient(180deg, var(--c-abysse), var(--c-fond));
	text-align: center;
	overflow: hidden;
}

/* Quadrillage de carte marine, très en retrait */
.opbp-hero::before {
	content: "";
	position: absolute;
	inset: 0;
	background-image:
		repeating-linear-gradient(0deg, rgba(255,255,255,.035) 0 1px, transparent 1px 68px),
		repeating-linear-gradient(90deg, rgba(255,255,255,.035) 0 1px, transparent 1px 68px);
	pointer-events: none;
}

/* Signature : le liseré des feux de navigation */
.opbp-hero::after {
	content: "";
	position: absolute;
	top: 0; left: 0; right: 0;
	height: 3px;
	background: linear-gradient(90deg,
		var(--c-babord) 0%, var(--c-babord) 30%,
		#ffffff 45%, #ffffff 55%,
		var(--c-tribord) 70%, var(--c-tribord) 100%);
	opacity: .9;
}

.opbp-hero > * { position: relative; }

.opbp-hero-titre {
	font-size: clamp(2.1rem, 6.5vw, 3.6rem);
	font-weight: 700;
	letter-spacing: -.035em;
	line-height: 1.05;
	margin: 0 0 20px;
	color: var(--c-brume);
}
.opbp-hero-texte {
	color: var(--c-brume-2);
	max-width: 52ch;
	margin: 0 auto 34px;
	font-size: clamp(1rem, 2vw, 1.12rem);
	line-height: 1.7;
}
.opbp-hero-actions {
	margin: 0 0 44px;
	display: flex;
	gap: 14px;
	justify-content: center;
	flex-wrap: wrap;
}

/* ---------- Instruments de bord ---------- */

.opbp-chiffres {
	display: flex;
	justify-content: center;
	margin: 0 auto;
	max-width: 520px;
	border: 1px solid var(--c-trait);
	border-radius: 12px;
	background: rgba(255, 255, 255, .03);
	overflow: hidden;
}
.opbp-chiffres div { flex: 1; padding: 20px 10px; }
.opbp-chiffres div + div { border-left: 1px solid var(--c-trait); }
.opbp-chiffres b {
	display: block;
	font: 700 clamp(1.5rem, 4vw, 2rem)/1.1 var(--mono);
	letter-spacing: -.03em;
	color: var(--c-ambre);
	margin-bottom: 6px;
}
.opbp-chiffres span {
	font: 500 10px/1.3 var(--mono);
	color: var(--c-brume-2);
	text-transform: uppercase;
	letter-spacing: .12em;
}

/* ---------- En-tête de page intérieure ---------- */

.opbp-intro {
	position: relative;
	padding-top: clamp(40px, 6vw, 64px);
	padding-bottom: clamp(28px, 4vw, 40px);
	background:
		radial-gradient(90% 140% at 0% 0%, rgba(255, 45, 120, .10), transparent 62%),
		linear-gradient(180deg, var(--c-abysse), var(--c-fond));
	border-bottom: 1px solid var(--c-trait);
}
.opbp-intro::after {
	content: "";
	position: absolute;
	top: 0; left: 0; right: 0;
	height: 3px;
	background: linear-gradient(90deg, var(--c-babord), #ffffff 50%, var(--c-tribord));
	opacity: .75;
}
.opbp-titre-page {
	font-size: clamp(1.7rem, 4.5vw, 2.5rem);
	font-weight: 700;
	letter-spacing: -.03em;
	line-height: 1.15;
	margin: 0 0 16px;
	color: var(--c-brume);
	max-width: 22ch;
}
.opbp-intro p { font-size: 1.05rem; line-height: 1.7; }
.opbp-intro p:last-child { margin-bottom: 0; }

/* ---------- Grille des thèmes ---------- */

.opbp-grille {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
	gap: 16px;
}
.opbp-carte {
	position: relative;
	display: flex;
	flex-direction: column;
	gap: 10px;
	padding: 26px 24px 22px;
	background: var(--c-relief);
	border: 1px solid var(--c-trait);
	border-radius: 12px;
	text-decoration: none !important;
	color: var(--c-brume) !important;
	overflow: hidden;
	transition: border-color .2s ease, transform .2s ease, background .2s ease;
}
.opbp-carte::before {
	content: "";
	position: absolute;
	top: 0; left: 0;
	width: 100%;
	height: 2px;
	background: var(--c-magenta);
	transform: scaleX(0);
	transform-origin: left;
	transition: transform .3s ease;
}
.opbp-carte:hover {
	border-color: var(--c-trait-fort);
	background: #12384c;
	transform: translateY(-3px);
}
.opbp-carte:hover::before { transform: scaleX(1); }

.opbp-carte-titre {
	font-weight: 700;
	font-size: 1.1rem;
	letter-spacing: -.015em;
	line-height: 1.25;
}
.opbp-carte-texte {
	color: var(--c-brume-2);
	font-size: .9rem;
	line-height: 1.55;
	flex: 1;
}
.opbp-carte-pied {
	display: flex;
	justify-content: space-between;
	align-items: center;
	gap: 12px;
	margin-top: 6px;
	padding-top: 14px;
	border-top: 1px solid var(--c-trait);
}
.opbp-carte-n {
	font: 600 11px/1 var(--mono);
	letter-spacing: .06em;
	color: var(--c-ambre);
}
.opbp-carte-lien {
	font: 600 10px/1 var(--mono);
	letter-spacing: .16em;
	text-transform: uppercase;
	color: var(--c-magenta);
}

/* ---------- Bandeau révision ---------- */

.opbp-bandeau {
	position: relative;
	margin-top: 52px;
	padding: 36px clamp(24px, 4vw, 40px);
	border: 1px solid var(--c-trait);
	border-radius: 14px;
	background:
		radial-gradient(100% 160% at 100% 0%, rgba(240, 180, 41, .10), transparent 60%),
		var(--c-relief);
}
.opbp-bandeau-titre {
	font-size: clamp(1.25rem, 3vw, 1.5rem);
	font-weight: 700;
	letter-spacing: -.02em;
	margin: 0 0 14px;
	color: var(--c-brume);
}
.opbp-bandeau p { max-width: 62ch; }
.opbp-bandeau p:last-child { margin-bottom: 0; }

/* ---------- Liste du programme ---------- */

.opbp-liste { margin: 0 0 8px; padding-left: 0; list-style: none; }
.opbp-liste li {
	position: relative;
	padding: 13px 0 13px 30px;
	border-bottom: 1px solid var(--c-trait);
	line-height: 1.55;
	color: var(--c-brume);
}
.opbp-liste li:first-child { border-top: 1px solid var(--c-trait); }
.opbp-liste li::before {
	content: "";
	position: absolute;
	left: 6px;
	top: 21px;
	width: 8px;
	height: 8px;
	border-radius: 50%;
	background: var(--c-magenta);
	box-shadow: 0 0 0 4px rgba(255, 45, 120, .16);
}

/* ---------- Note ---------- */

.opbp-note {
	border: 1px solid var(--c-trait);
	border-left: 3px solid var(--c-ambre);
	border-radius: 0 12px 12px 0;
	padding: 26px 28px;
	margin-top: 40px;
	background: rgba(255, 255, 255, .025);
}
.opbp-note h3 { margin-top: 0; font-size: 1.05rem; }
.opbp-note p:last-child { margin-bottom: 0; }
.opbp-note strong { color: var(--c-brume); }

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

.opbp-retour {
	font-size: .9rem;
	padding-top: 26px;
	margin-top: 44px;
	border-top: 1px solid var(--c-trait);
}
.opbp-retour a { text-decoration: none; }
.opbp-retour a:hover { text-decoration: underline; }

/* ---------- Pages légales ---------- */

.opbp-legal h3 { margin-top: 34px; }
.opbp-legal p { max-width: 74ch; }

@media (max-width: 640px) {
	.opbp { border-radius: 12px; }
	.opbp-hero-actions .opbp-btn { width: 100%; text-align: center; }
	.opbp-chiffres div { padding: 16px 6px; }
	.opbp-chiffres span { font-size: 9px; letter-spacing: .08em; }
	.opbp-titre-page { max-width: none; }
}

@media (prefers-reduced-motion: reduce) {
	.opbp-carte, .opbp-btn, .opbp-carte::before { transition-duration: .01ms !important; }
}