/* ==========================================================================
   Alex British Management — v1.1 additions
   Hero slider, dropdown navigation, gallery grid + lightbox.
   Loaded after main.css so it can extend the existing tokens.
   ========================================================================== */

/* ---------------------------------------------------------------- slider */
.hero-slider {
	position: relative;
	height: clamp(520px, 72vh, 720px);
	overflow: hidden;
	background: var(--ab-dark-2);
	isolation: isolate;
}

.slider-track { position: absolute; inset: 0; }

.slide {
	position: absolute;
	inset: 0;
	opacity: 0;
	visibility: hidden;
	transition: opacity 0.9s var(--ab-ease), visibility 0.9s;
	z-index: 1;
}

.slide.is-active { opacity: 1; visibility: visible; z-index: 2; }

.slide-bg {
	position: absolute;
	inset: 0;
	background-size: cover;
	background-repeat: no-repeat;
	transform: scale(1.06);
	transition: transform 7s linear;
}

.slide.is-active .slide-bg { transform: scale(1); }

.slide-scrim {
	position: absolute;
	inset: 0;
	background:
		linear-gradient(90deg, rgba(20, 24, 31, 0.92) 0%, rgba(20, 24, 31, 0.78) 42%, rgba(20, 24, 31, 0.34) 72%, rgba(20, 24, 31, 0.18) 100%),
		linear-gradient(180deg, rgba(20, 24, 31, 0.35) 0%, transparent 40%, rgba(20, 24, 31, 0.45) 100%);
}

.slide-inner {
	position: relative;
	z-index: 3;
	height: 100%;
	display: flex;
	align-items: center;
}

.slide-content { max-width: 660px; }

.slide-eyebrow {
	margin: 0 0 16px;
	font-size: 12.5px;
	font-weight: 700;
	letter-spacing: 0.2em;
	text-transform: uppercase;
	color: #e8b4ae;
}

.slide-title {
	margin: 0 0 20px;
	font-size: clamp(30px, 4.4vw, 54px);
	line-height: 1.1;
	letter-spacing: -0.02em;
	color: #fff;
}

.slide-sub {
	margin: 0 0 30px;
	max-width: 560px;
	font-size: 17px;
	line-height: 1.65;
	color: rgba(255, 255, 255, 0.82);
}

.slide-actions { display: flex; gap: 14px; flex-wrap: wrap; }

.btn-outline-light {
	background: transparent;
	color: #fff;
	border-color: rgba(255, 255, 255, 0.45);
}
.btn-outline-light:hover {
	background: #fff;
	color: var(--ab-dark);
	border-color: #fff;
}

/* slide content entrance */
.slide.is-active .slide-eyebrow,
.slide.is-active .slide-title,
.slide.is-active .slide-sub,
.slide.is-active .slide-actions {
	animation: abm-rise 0.75s var(--ab-ease) both;
}
.slide.is-active .slide-title   { animation-delay: 0.08s; }
.slide.is-active .slide-sub     { animation-delay: 0.16s; }
.slide.is-active .slide-actions { animation-delay: 0.24s; }

@keyframes abm-rise {
	from { opacity: 0; transform: translateY(22px); }
	to   { opacity: 1; transform: translateY(0); }
}

/* arrows */
.slider-arrow {
	position: absolute;
	top: 50%;
	transform: translateY(-50%);
	z-index: 5;
	width: 52px;
	height: 52px;
	display: flex;
	align-items: center;
	justify-content: center;
	padding: 0;
	font-size: 30px;
	line-height: 1;
	color: #fff;
	background: rgba(255, 255, 255, 0.1);
	border: 1px solid rgba(255, 255, 255, 0.28);
	border-radius: 50%;
	cursor: pointer;
	backdrop-filter: blur(6px);
	transition: background 0.25s, border-color 0.25s, transform 0.25s;
}

.slider-arrow:hover {
	background: var(--ab-accent);
	border-color: var(--ab-accent);
}
.slider-arrow:focus-visible {
	outline: 2px solid #fff;
	outline-offset: 3px;
}

.slider-prev { left: 24px; }
.slider-next { right: 24px; }

/* dots */
.slider-dots {
	position: absolute;
	bottom: 30px;
	left: 50%;
	transform: translateX(-50%);
	z-index: 5;
	display: flex;
	gap: 10px;
}

.slider-dot {
	width: 11px;
	height: 11px;
	padding: 0;
	background: rgba(255, 255, 255, 0.4);
	border: 0;
	border-radius: 50%;
	cursor: pointer;
	transition: background 0.25s, width 0.3s var(--ab-ease);
}

.slider-dot.is-active { background: #fff; width: 30px; border-radius: 6px; }
.slider-dot:focus-visible { outline: 2px solid #fff; outline-offset: 3px; }

/* progress bar */
.slider-progress {
	position: absolute;
	left: 0;
	right: 0;
	bottom: 0;
	height: 3px;
	background: rgba(255, 255, 255, 0.14);
	z-index: 5;
}

.slider-progress span {
	display: block;
	height: 100%;
	width: 0;
	background: var(--ab-accent);
}

.slider-progress span.is-running {
	animation: abm-progress var(--abm-slide-duration, 6000ms) linear forwards;
}

@keyframes abm-progress {
	from { width: 0; }
	to   { width: 100%; }
}

/* ---------------------------------------------------------------- hero intro */
.hero-intro { padding: 70px 0 0; background: linear-gradient(180deg, #fff 0%, var(--ab-light-2) 100%); }

.hero-intro-inner {
	display: grid;
	grid-template-columns: auto 1fr;
	grid-template-areas:
		"badge text"
		"stats stats";
	gap: 34px 44px;
	align-items: start;
}

.hero-intro-badge {
	grid-area: badge;
	display: flex;
	align-items: center;
	gap: 12px;
	padding: 20px 26px;
	background: var(--ab-accent);
	color: #fff;
	border-radius: 6px;
	box-shadow: 0 16px 40px rgba(170, 32, 17, 0.26);
	align-self: start;
}

.hero-intro-text { grid-area: text; }
.hero-intro-text .hero-lead { margin-bottom: 14px; }

.hero-intro .hero-stats {
	grid-area: stats;
	margin: 0;
	padding: 26px 0 0;
	border-top: 1px solid var(--ab-border);
}

/* ---------------------------------------------------------------- dropdown nav */
.primary-menu > li.menu-item-has-children > a { padding-right: 30px; }

.submenu-toggle {
	display: none; /* desktop: hover handles it */
}

/* desktop hover dropdown */
@media (min-width: 992px) {
	.primary-menu .sub-menu {
		position: absolute;
		top: calc(100% + 10px);
		left: 0;
		min-width: 220px;
		margin: 0;
		padding: 8px 0;
		list-style: none;
		background: #fff;
		border-radius: var(--ab-radius);
		box-shadow: var(--ab-shadow);
		opacity: 0;
		visibility: hidden;
		transform: translateY(8px);
		transition: opacity 0.25s var(--ab-ease), transform 0.25s var(--ab-ease), visibility 0.25s;
		z-index: 60;
	}

	.primary-menu > li:hover > .sub-menu,
	.primary-menu > li:focus-within > .sub-menu {
		opacity: 1;
		visibility: visible;
		transform: translateY(0);
	}

	/* caret indicator */
	.primary-menu > li.menu-item-has-children > a::after {
		content: "";
		position: absolute;
		right: 14px;
		top: 50%;
		width: 6px;
		height: 6px;
		margin-top: -5px;
		border-right: 2px solid currentColor;
		border-bottom: 2px solid currentColor;
		transform: rotate(45deg);
		opacity: 0.55;
		transition: transform 0.25s var(--ab-ease);
	}

	.primary-menu > li.menu-item-has-children:hover > a::after {
		transform: rotate(225deg);
		margin-top: -1px;
	}
}

/* ---------------------------------------------------------------- mobile accordion */
@media (max-width: 991px) {
	.primary-menu > li { position: relative; }

	.primary-menu > li > a {
		padding-right: 56px;
	}

	.submenu-toggle {
		display: flex;
		align-items: center;
		justify-content: center;
		position: absolute;
		top: 4px;
		right: 0;
		width: 44px;
		height: 44px;
		padding: 0;
		font-size: 13px;
		color: var(--ab-dark);
		background: transparent;
		border: 0;
		border-radius: 4px;
		cursor: pointer;
		transition: transform 0.3s var(--ab-ease), background 0.2s;
	}

	.submenu-toggle:hover { background: var(--ab-accent-soft); }
	.submenu-toggle[aria-expanded="true"] { transform: rotate(180deg); color: var(--ab-accent); }

	/* collapsed by default on mobile */
	.primary-menu .sub-menu {
		position: static;
		display: none;
		opacity: 1;
		visibility: visible;
		transform: none;
		box-shadow: none;
		padding: 0 0 6px 16px;
		margin: 0;
		border-left: 2px solid var(--ab-border);
	}

	.primary-menu .sub-menu.is-open { display: block; }

	.primary-menu .sub-menu a {
		padding: 11px 12px;
		font-size: 14px;
		border-bottom: 1px solid var(--ab-light);
	}

	.primary-menu .sub-menu li:last-child a { border-bottom: 0; }
}

/* ---------------------------------------------------------------- gallery */
.gallery-filters {
	display: flex;
	flex-wrap: wrap;
	gap: 10px;
	margin-bottom: 40px;
	padding-bottom: 26px;
	border-bottom: 1px solid var(--ab-border);
}

.gallery-filter {
	padding: 11px 24px;
	font-family: var(--ab-font);
	font-size: 13.5px;
	font-weight: 700;
	letter-spacing: 0.04em;
	color: var(--ab-dark);
	background: #fff;
	border: 1px solid var(--ab-border);
	border-radius: 30px;
	cursor: pointer;
	transition: all 0.25s var(--ab-ease);
}

.gallery-filter:hover { border-color: var(--ab-accent); color: var(--ab-accent); }

.gallery-filter.is-active {
	background: var(--ab-accent);
	border-color: var(--ab-accent);
	color: #fff;
}

.gallery-filter:focus-visible { outline: 2px solid var(--ab-accent); outline-offset: 2px; }

.gallery-grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 22px;
}

.gallery-grid-inline { margin: 30px 0 0; grid-template-columns: repeat(2, 1fr); }

.gallery-item {
	margin: 0;
	background: #fff;
	border: 1px solid var(--ab-border);
	border-radius: var(--ab-radius);
	overflow: hidden;
	transition: transform 0.3s var(--ab-ease), box-shadow 0.3s var(--ab-ease);
}

.gallery-item:hover { transform: translateY(-4px); box-shadow: var(--ab-shadow); }

/* hidden by the filter */
.gallery-item.is-hidden { display: none; }

.gallery-thumb {
	position: relative;
	display: block;
	width: 100%;
	padding: 0;
	background: var(--ab-light);
	border: 0;
	cursor: zoom-in;
	overflow: hidden;
	aspect-ratio: 4 / 3;
}

.gallery-thumb img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	transition: transform 0.55s var(--ab-ease);
}

.gallery-item:hover .gallery-thumb img { transform: scale(1.06); }

.gallery-zoom {
	position: absolute;
	right: 12px;
	bottom: 12px;
	width: 36px;
	height: 36px;
	display: flex;
	align-items: center;
	justify-content: center;
	font-size: 20px;
	line-height: 1;
	color: #fff;
	background: rgba(170, 32, 17, 0.9);
	border-radius: 50%;
	opacity: 0;
	transform: scale(0.8);
	transition: opacity 0.25s, transform 0.25s var(--ab-ease);
}

.gallery-item:hover .gallery-zoom { opacity: 1; transform: scale(1); }

.gallery-caption { padding: 16px 18px; }
.gallery-caption strong { display: block; font-size: 15px; color: var(--ab-dark); margin-bottom: 3px; }
.gallery-caption span { font-size: 13px; color: var(--ab-muted); }

.gallery-empty { text-align: center; color: var(--ab-muted); padding: 40px 0; }

/* ---------------------------------------------------------------- lightbox */
.lightbox {
	position: fixed;
	inset: 0;
	z-index: 9999;
	display: flex;
	align-items: center;
	justify-content: center;
	padding: 40px;
	background: rgba(14, 17, 22, 0.94);
	backdrop-filter: blur(4px);
}

.lightbox[hidden] { display: none; }

.lightbox-figure {
	margin: 0;
	max-width: min(1100px, 92vw);
	max-height: 88vh;
	display: flex;
	flex-direction: column;
	align-items: center;
}

.lightbox-figure img {
	max-width: 100%;
	max-height: 74vh;
	width: auto;
	height: auto;
	object-fit: contain;
	border-radius: 4px;
	box-shadow: 0 30px 80px rgba(0, 0, 0, 0.6);
}

.lightbox-caption {
	margin-top: 18px;
	text-align: center;
	color: rgba(255, 255, 255, 0.9);
}

.lightbox-caption strong { display: block; font-size: 17px; margin-bottom: 4px; }
.lightbox-caption span { display: block; font-size: 14px; color: rgba(255, 255, 255, 0.62); }
.lightbox-count { display: block; margin-top: 8px; font-size: 12px; letter-spacing: 0.1em; color: rgba(255, 255, 255, 0.4); font-style: normal; }

.lightbox-close {
	position: absolute;
	top: 20px;
	right: 24px;
	width: 46px;
	height: 46px;
	font-size: 30px;
	line-height: 1;
	color: #fff;
	background: rgba(255, 255, 255, 0.1);
	border: 1px solid rgba(255, 255, 255, 0.2);
	border-radius: 50%;
	cursor: pointer;
	transition: background 0.2s;
}
.lightbox-close:hover { background: var(--ab-accent); border-color: var(--ab-accent); }

.lightbox-nav {
	position: absolute;
	top: 50%;
	transform: translateY(-50%);
	width: 54px;
	height: 54px;
	font-size: 32px;
	line-height: 1;
	color: #fff;
	background: rgba(255, 255, 255, 0.08);
	border: 1px solid rgba(255, 255, 255, 0.2);
	border-radius: 50%;
	cursor: pointer;
	transition: background 0.2s;
}
.lightbox-nav:hover { background: var(--ab-accent); border-color: var(--ab-accent); }

.lightbox-prev { left: 24px; }
.lightbox-next { right: 24px; }

.lightbox-close:focus-visible,
.lightbox-nav:focus-visible { outline: 2px solid #fff; outline-offset: 3px; }

body.lightbox-open { overflow: hidden; }

/* ---------------------------------------------------------------- subpage */
.subpage-prose { max-width: 900px; }
.subpage-prose .book-grid { margin-top: 30px; }

/* ---------------------------------------------------------------- responsive */
@media (max-width: 1100px) {
	.gallery-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 991px) {
	.hero-slider { height: clamp(460px, 66vh, 600px); }
	.slider-arrow { width: 44px; height: 44px; font-size: 24px; }
	.slider-prev { left: 12px; }
	.slider-next { right: 12px; }
	.slide-scrim {
		background:
			linear-gradient(180deg, rgba(20, 24, 31, 0.55) 0%, rgba(20, 24, 31, 0.82) 55%, rgba(20, 24, 31, 0.92) 100%);
	}
	.slide-inner { align-items: flex-end; padding-bottom: 90px; }
	.hero-intro-inner { grid-template-columns: 1fr; grid-template-areas: "badge" "text" "stats"; gap: 26px; }
	.hero-intro-badge { justify-self: start; }
}

@media (max-width: 767px) {
	.hero-slider { height: clamp(430px, 62vh, 540px); }
	.slide-sub { font-size: 15.5px; }
	.slide-actions .btn { padding: 13px 24px; font-size: 14px; }
	.slider-dots { bottom: 20px; }
	.gallery-grid, .gallery-grid-inline { grid-template-columns: 1fr; }
	.gallery-filters { gap: 8px; }
	.gallery-filter { padding: 9px 18px; font-size: 12.5px; }
	.lightbox { padding: 16px; }
	.lightbox-nav { width: 44px; height: 44px; font-size: 26px; }
	.lightbox-prev { left: 8px; }
	.lightbox-next { right: 8px; }
	.lightbox-close { top: 10px; right: 10px; width: 40px; height: 40px; font-size: 26px; }
}

@media (max-width: 480px) {
	.slide-actions { flex-direction: column; }
	.slide-actions .btn { width: 100%; }
	.slider-arrow { display: none; } /* swipe + dots on small screens */
}

/* ---------------------------------------------------------------- reduced motion */
@media (prefers-reduced-motion: reduce) {
	.hero-slider .slide,
	.hero-slider .slide-bg,
	.hero-slider .slide-eyebrow,
	.hero-slider .slide-title,
	.hero-slider .slide-sub,
	.hero-slider .slide-actions,
	.slider-progress span {
		animation: none !important;
		transition: none !important;
	}

	.slide-bg { transform: none !important; }
	.slider-progress { display: none; }
	html { scroll-behavior: auto; }
}