/* =====================================================
   Kuira Slider — Frontend Styles
   Swiper v11 + responsive adaptive images
   ===================================================== */

/* ── Wrapper ─────────────────────────────────────── */

.krs-slider-wrap {
	position: relative;
	width: 100%;
	overflow: hidden;
}

/* ── Swiper overrides ────────────────────────────── */

.krs-swiper {
	width: 100%;
	height: 100vh; /* default; overridden per-slide via CSS custom props */
}

.krs-swiper .swiper-wrapper {
	align-items: stretch;
}

/* ── Slide ───────────────────────────────────────── */

.krs-slide {
	position: relative;
	width: 100%;
	overflow: hidden;
}

/* Height from inline CSS custom properties */
@media (min-width: 1024px) {
	.krs-slide { height: var(--krs-h-desktop, 100vh); }
}
@media (min-width: 768px) and (max-width: 1023px) {
	.krs-slide { height: var(--krs-h-tablet, 100vh); }
}
@media (max-width: 767px) {
	.krs-slide { height: var(--krs-h-mobile, 100vh); }
}

/* ── Responsive images ───────────────────────────── */

.krs-slide-img {
	position: absolute;
	inset: 0;
	width: 100%;
	height: 100%!important;
	object-fit: cover;
	object-position: center;
	display: none; /* hidden by default; shown by breakpoint */
}

@media (min-width: 1024px) {
	.krs-img-desktop { display: block; }
}
@media (min-width: 768px) and (max-width: 1023px) {
	.krs-img-tablet  { display: block; }
}
@media (max-width: 767px) {
	.krs-img-mobile  { display: block; }
}

/* Fallback: if specific size image is missing, show desktop */
@media (min-width: 768px) and (max-width: 1023px) {
	.krs-img-tablet:not([src=""]) { display: block; }
	.krs-img-tablet[src=""] ~ .krs-img-desktop { display: block; }
}
@media (max-width: 767px) {
	.krs-img-mobile:not([src=""]) { display: block; }
	.krs-img-mobile[src=""] ~ .krs-img-desktop { display: block; }
}

/* ── Overlay ─────────────────────────────────────── */

.krs-overlay {
	position: absolute;
	inset: 0;
	background: rgba(0, 0, 0, var(--krs-overlay, 0.3));
	z-index: 1;
	transition: opacity .4s;
}

/* ── Content ─────────────────────────────────────── */

.krs-content {
	position: absolute;
	inset: 0;
	z-index: 2;
	display: flex;
	flex-direction: column;
	justify-content: center;
	align-items: flex-start;
	padding: 0 8% 0 8%;
	max-width: 900px;
}

.krs-title {
	font-size: clamp(1.8rem, 5vw, 4rem);
	font-weight: 800;
	color: #ffffff;
	line-height: 1.1;
	margin: 0 0 .6em;
	text-shadow: 0 2px 12px rgba(0,0,0,.35);
	animation: krsSlideUp .7s ease both;
}

.krs-description {
	font-size: clamp(.9rem, 2vw, 1.2rem);
	color: rgba(255,255,255,.9);
	margin: 0 0 1.6em;
	max-width: 560px;
	line-height: 1.6;
	text-shadow: 0 1px 6px rgba(0,0,0,.3);
	animation: krsSlideUp .7s ease .15s both;
}

/* ── Buttons ─────────────────────────────────────── */

.krs-buttons {
	display: flex;
	flex-wrap: wrap;
	gap: 12px;
	animation: krsSlideUp .7s ease .3s both;
}

.krs-btn {
	display: inline-block;
	padding: 13px 32px;
	border-radius: 6px;
	font-size: 15px;
	font-weight: 700;
	text-decoration: none;
	letter-spacing: .02em;
	transition: transform .2s, box-shadow .2s, opacity .2s;
	cursor: pointer;
	white-space: nowrap;
}

.krs-btn:hover {
	transform: translateY(-2px);
	box-shadow: 0 6px 20px rgba(0,0,0,.25);
	opacity: .92;
}

.krs-btn-primary {
	background: #ffffff;
	color: #1a1a2e;
}

.krs-btn-secondary {
	background: transparent;
	color: #ffffff;
	border: 2px solid rgba(255,255,255,.75);
}

.krs-btn-secondary:hover {
	background: rgba(255,255,255,.12);
	border-color: #ffffff;
}

/* ── Clickable slide ─────────────────────────────── */

.krs-slide-clickable {
	cursor: pointer;
}

.krs-slide-clickable .krs-overlay {
	transition: background .3s;
}

.krs-slide-clickable:hover .krs-overlay {
	background: rgba(0,0,0,calc(var(--krs-overlay, 0.3) + 0.08));
}

/* ── Navigation ──────────────────────────────────── */

.krs-slider-wrap .swiper-button-prev,
.krs-slider-wrap .swiper-button-next {
	width: 48px;
	height: 48px;
	background: rgba(255,255,255,.15);
	backdrop-filter: blur(6px);
	border-radius: 50%;
	border: 1px solid rgba(255,255,255,.3);
	transition: background .2s, transform .2s;
}

.krs-slider-wrap .swiper-button-prev:hover,
.krs-slider-wrap .swiper-button-next:hover {
	background: rgba(255,255,255,.28);
	transform: scale(1.08);
}

.krs-slider-wrap .swiper-button-prev::after,
.krs-slider-wrap .swiper-button-next::after {
	font-size: 16px;
	font-weight: 700;
	color: #ffffff;
}

/* ── Pagination ──────────────────────────────────── */

.krs-slider-wrap .swiper-pagination-bullet {
	width: 10px;
	height: 10px;
	background: rgba(255,255,255,.5);
	opacity: 1;
	transition: width .25s, background .25s;
	border-radius: 5px;
}

.krs-slider-wrap .swiper-pagination-bullet-active {
	width: 28px;
	background: #ffffff;
}

/* ── Animations ──────────────────────────────────── */

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

/* ── Single-slide: hide nav ──────────────────────── */

.krs-slider-wrap.krs-single .swiper-button-prev,
.krs-slider-wrap.krs-single .swiper-button-next,
.krs-slider-wrap.krs-single .swiper-pagination {
	display: none;
}

/* ── Responsive ──────────────────────────────────── */

@media (max-width: 767px) {
	.krs-content {
		padding: 0 6% 0 6%;
		align-items: center;
		text-align: center;
	}

	.krs-description { max-width: 100%; }

	.krs-buttons { justify-content: center; }

	.krs-btn { padding: 11px 24px; font-size: 14px; }

	.krs-slider-wrap .swiper-button-prev,
	.krs-slider-wrap .swiper-button-next { display: none; }
}

@media (min-width: 768px) and (max-width: 1023px) {
	.krs-content { padding: 0 7% 0 7%; }
}