/* Single Track Racing — booking form (Pine & Acid) */
.stb-wrap {
	--stb-cream: #e9e4d2;
	--stb-pine: #13241a;
	--stb-moss: #3e6b46;
	--stb-acid: #9dff21;
	max-width: 640px;
	margin: 0 auto;
	font-family: Barlow, system-ui, -apple-system, "Segoe UI", sans-serif;
	color: var(--stb-pine);
}

.stb-card {
	background: #fff;
	border: 2px solid var(--stb-pine);
	box-shadow: 8px 8px 0 0 var(--stb-pine);
	padding: 24px;
}

.stb-alert {
	border: 2px solid var(--stb-pine);
	background: var(--stb-acid);
	color: var(--stb-pine);
	padding: 12px 16px;
	margin-bottom: 16px;
	font-weight: 600;
}

.stb-fieldset {
	border: 0;
	border-top: 1px solid rgba(19, 36, 26, 0.15);
	margin: 0 0 20px;
	padding: 20px 0 0;
}
.stb-fieldset:first-of-type {
	border-top: 0;
	padding-top: 0;
}

.stb-h2,
.stb-h3 {
	font-family: "Bebas Neue", Barlow, sans-serif;
	letter-spacing: 0.06em;
	text-transform: uppercase;
	margin: 0 0 12px;
}
.stb-h2 { font-size: 2rem; }
.stb-h3 { font-size: 1.4rem; padding: 0; }

.stb-grid {
	display: grid;
	gap: 16px;
	grid-template-columns: 1fr;
}
@media (min-width: 640px) {
	.stb-grid { grid-template-columns: 1fr 1fr; }
}

.stb-field { margin: 0 0 16px; }
.stb-field label {
	display: block;
	font-size: 0.85rem;
	font-weight: 600;
	letter-spacing: 0.04em;
	margin-bottom: 6px;
}
.stb-field input[type="text"],
.stb-field input[type="tel"],
.stb-field input[type="email"],
.stb-field input[type="date"],
.stb-field textarea {
	width: 100%;
	padding: 10px 12px;
	border: 1px solid rgba(19, 36, 26, 0.35);
	border-radius: 4px;
	background: #fff;
	font: inherit;
	color: inherit;
}
.stb-field input:focus,
.stb-field textarea:focus {
	outline: 2px solid var(--stb-acid);
	outline-offset: 1px;
	border-color: var(--stb-pine);
}

.stb-hint {
	display: block;
	margin-top: 6px;
	font-size: 0.75rem;
	color: var(--stb-moss);
}

.stb-previews {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 8px;
}
@media (min-width: 640px) {
	.stb-previews { grid-template-columns: repeat(6, 1fr); }
}
.stb-previews img {
	width: 100%;
	aspect-ratio: 1 / 1;
	object-fit: cover;
	border: 1px solid rgba(19, 36, 26, 0.3);
	border-radius: 4px;
	display: block;
}

.stb-btn {
	display: inline-block;
	background: var(--stb-acid);
	color: var(--stb-pine);
	border: 2px solid var(--stb-pine);
	box-shadow: 4px 4px 0 0 var(--stb-pine);
	padding: 12px 22px;
	font-family: "Bebas Neue", Barlow, sans-serif;
	font-size: 1.05rem;
	letter-spacing: 0.2em;
	text-transform: uppercase;
	text-decoration: none;
	cursor: pointer;
	transition: transform 0.12s ease, box-shadow 0.12s ease;
}
.stb-btn:hover {
	transform: translate(2px, 2px);
	box-shadow: none;
	color: var(--stb-pine);
}
.stb-btn-lg { width: 100%; }

.stb-success { text-align: center; }

.stb-hp {
	position: absolute !important;
	left: -9999px !important;
	height: 1px;
	overflow: hidden;
}