/**
 * Book Talks — front-end styles
 * High-contrast black text for readability.
 */

.book-talks {
	--bt-black: #111111;
	--bt-muted: #333333;
	--bt-border: #d8d8d8;
	--bt-bg: #f6f6f4;
	--bt-white: #ffffff;
	--bt-accent: #111111;

	color: var(--bt-black);
	font-size: 1.125rem;
	line-height: 1.7;
	margin: 0 auto 4.5rem;
	max-width: 1320px;
	padding: 0 1.5rem;
	box-sizing: border-box;
}

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

.book-talks a {
	color: var(--bt-black);
	text-decoration: underline;
	text-underline-offset: 2px;
}

.book-talks a:hover,
.book-talks a:focus {
	color: #000;
}

/* ---------- Hero (2 columns) ---------- */
.book-talks__hero {
	margin: 2.5rem 0 4rem;
}

.book-talks__hero-grid {
	display: grid;
	grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
	gap: 3rem;
	align-items: center;
}

.book-talks__hero-heading {
	margin: 0 0 1.15rem;
	color: var(--bt-black);
	font-size: clamp(2.5rem, 5vw, 3.75rem);
	font-weight: 700;
	line-height: 1.12;
	letter-spacing: -0.02em;
}

.book-talks__hero-text {
	margin: 0 0 2rem;
	color: var(--bt-muted);
	font-size: clamp(1.15rem, 1.6vw, 1.35rem);
	line-height: 1.7;
	max-width: 38rem;
}

.book-talks__hero-media {
	min-width: 0;
}

.book-talks__hero-img {
	display: block;
	width: 100%;
	height: auto;
	aspect-ratio: 4 / 3;
	object-fit: cover;
	border-radius: 2px;
}

.book-talks__hero-placeholder {
	width: 100%;
	aspect-ratio: 4 / 3;
	background: linear-gradient(135deg, #e8e8e4 0%, #d0d0cc 100%);
	border-radius: 2px;
}

/* ---------- Buttons ---------- */
.book-talks__request-btn,
.book-talks-form__submit {
	display: inline-block;
	padding: 1.05rem 2.15rem;
	border: 2px solid var(--bt-black);
	border-radius: 2px;
	background: var(--bt-black);
	color: var(--bt-white) !important;
	font-size: 1.125rem;
	font-weight: 600;
	letter-spacing: 0.02em;
	line-height: 1.2;
	text-decoration: none !important;
	cursor: pointer;
	transition: background 0.2s ease, color 0.2s ease;
}

.book-talks__request-btn:hover,
.book-talks__request-btn:focus,
.book-talks-form__submit:hover,
.book-talks-form__submit:focus {
	background: var(--bt-white);
	color: var(--bt-black) !important;
	outline: none;
}

.book-talks-form__submit:disabled {
	opacity: 0.65;
	cursor: not-allowed;
}

.book-talks__cta {
	margin: 2.5rem 0 0;
	text-align: center;
}

.book-talks__cta--bottom {
	margin-top: 2.75rem;
	padding-top: 0.5rem;
}

/* ---------- Upcoming events ---------- */
.book-talks__events {
	margin: 0 0 4rem;
	padding: 2.75rem 0 0;
	border-top: 1px solid var(--bt-border);
}

.book-talks__section-head {
	margin-bottom: 2rem;
}

.book-talks__section-title {
	margin: 0 0 0.5rem;
	color: var(--bt-black);
	font-size: clamp(1.85rem, 3vw, 2.35rem);
	font-weight: 700;
	line-height: 1.25;
}

.book-talks__section-sub {
	margin: 0;
	color: var(--bt-muted);
	font-size: 1.15rem;
	line-height: 1.55;
}

.book-talks__list {
	display: flex;
	flex-direction: column;
	gap: 1.5rem;
}

.book-talks__item {
	display: grid;
	grid-template-columns: 7.5rem minmax(0, 1fr);
	gap: 1.75rem;
	padding: 1.6rem 1.6rem;
	background: var(--bt-bg);
	border: 1px solid var(--bt-border);
	border-left: 4px solid var(--bt-black);
}

.book-talks__date-badge {
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	padding: 0.9rem 0.55rem;
	background: var(--bt-white);
	border: 1px solid var(--bt-border);
	text-align: center;
	color: var(--bt-black);
}

.book-talks__date-month {
	display: block;
	font-size: 0.85rem;
	font-weight: 700;
	letter-spacing: 0.08em;
	text-transform: uppercase;
	color: var(--bt-black);
}

.book-talks__date-day {
	display: block;
	margin: 0.2rem 0;
	font-size: 2.35rem;
	font-weight: 700;
	line-height: 1;
	color: var(--bt-black);
}

.book-talks__date-year {
	display: block;
	font-size: 0.95rem;
	color: var(--bt-muted);
}

.book-talks__body {
	min-width: 0;
}

.book-talks__title {
	margin: 0 0 0.9rem;
	color: var(--bt-black);
	font-size: clamp(1.35rem, 2vw, 1.6rem);
	font-weight: 700;
	line-height: 1.3;
}

.book-talks__meta-list {
	display: flex;
	flex-wrap: wrap;
	gap: 0.85rem 1.75rem;
	margin: 0 0 1rem;
	padding: 0;
	list-style: none;
}

.book-talks__meta-item {
	display: flex;
	flex-direction: column;
	gap: 0.2rem;
	min-width: 8rem;
}

.book-talks__meta-label {
	font-size: 0.8rem;
	font-weight: 700;
	letter-spacing: 0.06em;
	text-transform: uppercase;
	color: var(--bt-muted);
}

.book-talks__meta-value {
	color: var(--bt-black);
	font-size: 1.1rem;
	font-weight: 600;
	line-height: 1.35;
}

.book-talks__meta-value a {
	font-weight: 600;
}

.book-talks__description {
	margin: 0 0 0.85rem;
	color: var(--bt-muted);
	font-size: 1.1rem;
	line-height: 1.7;
}

.book-talks__description p {
	margin: 0 0 0.5rem;
	color: var(--bt-muted);
}

.book-talks__description p:last-child {
	margin-bottom: 0;
}

.book-talks__actions {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 0.75rem 1rem;
	margin-top: 0.25rem;
}

.book-talks__maps-btn {
	display: inline-flex;
	align-items: center;
	gap: 0.4rem;
	padding: 0.45rem 0.9rem;
	border: 1.5px solid var(--bt-black);
	border-radius: 2px;
	background: var(--bt-white);
	color: var(--bt-black) !important;
	font-size: 0.95rem;
	font-weight: 600;
	line-height: 1.2;
	text-decoration: none !important;
	transition: background 0.2s ease, color 0.2s ease;
}

.book-talks__maps-btn::before {
	content: "";
	display: inline-block;
	width: 0.85rem;
	height: 0.85rem;
	flex-shrink: 0;
	background: currentColor;
	mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='%23000' d='M12 2C8.13 2 5 5.13 5 9c0 5.25 7 13 7 13s7-7.75 7-13c0-3.87-3.13-7-7-7zm0 9.5A2.5 2.5 0 1 1 12 6a2.5 2.5 0 0 1 0 5.5z'/%3E%3C/svg%3E") center / contain no-repeat;
	-webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='%23000' d='M12 2C8.13 2 5 5.13 5 9c0 5.25 7 13 7 13s7-7.75 7-13c0-3.87-3.13-7-7-7zm0 9.5A2.5 2.5 0 1 1 12 6a2.5 2.5 0 0 1 0 5.5z'/%3E%3C/svg%3E") center / contain no-repeat;
}

.book-talks__maps-btn:hover,
.book-talks__maps-btn:focus {
	background: var(--bt-black);
	color: var(--bt-white) !important;
	outline: none;
}

.book-talks__ticket-link {
	display: inline-block;
	font-size: 1.05rem;
	font-weight: 600;
	color: var(--bt-black);
}

.book-talks__empty {
	margin: 0;
	padding: 1.75rem;
	color: var(--bt-muted);
	font-size: 1.1rem;
	background: var(--bt-bg);
	border: 1px dashed var(--bt-border);
}

/* ---------- About / content ---------- */
.book-talks__about {
	margin: 0 0 1.25rem;
	padding: 2.75rem 0 0;
	border-top: 1px solid var(--bt-border);
}

.book-talks__about-inner {
	
	color: var(--bt-black);
	font-size: 1.2rem;
	line-height: 1.8;
}

.book-talks__about-inner p {
	margin: 0 0 1rem;
	color: var(--bt-muted);
}

.book-talks__about-inner p:last-child {
	margin-bottom: 0;
}

.book-talks__about-inner h2,
.book-talks__about-inner h3 {
	color: var(--bt-black);
	margin: 0 0 0.75rem;
}

/* ---------- Modal ---------- */
.book-talks-modal {
	position: fixed;
	inset: 0;
	z-index: 100000;
	display: flex;
	align-items: center;
	justify-content: center;
	padding: 1rem;
}

.book-talks-modal[hidden] {
	display: none !important;
}

.book-talks-modal__overlay {
	position: absolute;
	inset: 0;
	background: rgba(0, 0, 0, 0.6);
}

.book-talks-modal__dialog {
	position: relative;
	z-index: 1;
	width: 100%;
	max-width: 520px;
	max-height: 90vh;
	overflow-y: auto;
	padding: 1.75rem 1.5rem 1.5rem;
	background: var(--bt-white);
	border-radius: 4px;
	box-shadow: 0 12px 40px rgba(0, 0, 0, 0.28);
	color: var(--bt-black);
}

.book-talks-modal__close {
	position: absolute;
	top: 0.5rem;
	right: 0.65rem;
	border: none;
	background: transparent;
	font-size: 1.75rem;
	line-height: 1;
	cursor: pointer;
	color: var(--bt-black);
}

.book-talks-modal__title {
	margin: 0 1.5rem 0.5rem 0;
	color: var(--bt-black);
	font-size: 1.55rem;
}

.book-talks-modal__intro {
	margin: 0 0 1.25rem;
	color: var(--bt-muted);
	font-size: 1.05rem;
}

.book-talks-form__row {
	margin-bottom: 1rem;
}

.book-talks-form__row label {
	display: block;
	margin-bottom: 0.35rem;
	font-size: 1rem;
	font-weight: 600;
	color: var(--bt-black);
}

.book-talks-form__row .required {
	color: #b32d2e;
}

.book-talks-form__row input,
.book-talks-form__row textarea {
	width: 100%;
	max-width: 100%;
	padding: 0.7rem 0.8rem;
	border: 1px solid #bbb;
	border-radius: 2px;
	font: inherit;
	font-size: 1.05rem;
	color: var(--bt-black);
	background: var(--bt-white);
	box-sizing: border-box;
}

.book-talks-form__row input:focus,
.book-talks-form__row textarea:focus {
	border-color: var(--bt-black);
	outline: none;
	box-shadow: 0 0 0 1px var(--bt-black);
}

.book-talks-form__row--split {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 0.75rem;
}

.book-talks-form__hp {
	position: absolute !important;
	left: -9999px !important;
	height: 0 !important;
	overflow: hidden !important;
}

.book-talks-form__message {
	margin: 0 0 1rem;
	padding: 0.75rem 0.9rem;
	border-radius: 2px;
	font-size: 0.95rem;
}

.book-talks-form__message--success {
	background: #edfaef;
	color: #1e4620;
	border: 1px solid #c3e6cb;
}

.book-talks-form__message--error {
	background: #fbeaea;
	color: #5c1a1a;
	border: 1px solid #f1c0c0;
}

.book-talks-form__actions {
	margin-top: 0.5rem;
}

body.book-talks-modal-open {
	overflow: hidden;
}

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
	.book-talks__hero-grid {
		grid-template-columns: 1fr;
		gap: 1.75rem;
	}

	.book-talks__hero-media {
		order: -1;
	}
}

@media (max-width: 640px) {
	.book-talks {
		padding: 0 1.1rem;
		margin-bottom: 3rem;
		font-size: 1.05rem;
	}

	.book-talks__item {
		grid-template-columns: 1fr;
		gap: 1rem;
	}

	.book-talks__date-badge {
		flex-direction: row;
		justify-content: flex-start;
		gap: 0.65rem;
		padding: 0.7rem 0.95rem;
		width: fit-content;
	}

	.book-talks__date-day {
		font-size: 1.75rem;
		margin: 0;
	}

	.book-talks__about-inner {
		font-size: 1.1rem;
	}

	.book-talks-form__row--split {
		grid-template-columns: 1fr;
	}
}