/**
 * Блок: слайдер с образцами стекла (вертикальные рендеры).
 */

.glass-samples {
	padding: clamp(3rem, 8vw, 6rem) 0;
	background: #0f0f10;
	color: rgb(var(--color-primary));
	overflow: hidden;
}

.glass-samples__head {
	text-align: center;
	margin-bottom: clamp(1.75rem, 4vw, 2.75rem);
}

.glass-samples__title {
	font-family: var(--font-serif);
	font-weight: 300;
	font-size: clamp(1.75rem, 4vw, 2.75rem);
	line-height: 1.15;
	letter-spacing: -0.01em;
	margin: 0 0 0.75rem;
}

.glass-samples__subtitle {
	font-size: 0.9375rem;
	color: rgb(var(--color-primary) / 0.7);
	margin: 0 auto;
	max-width: 58ch;
}

/* ---- СЛАЙДЕР ---- */
.glass-samples__slider {
	position: relative;
	display: flex;
	align-items: center;
	gap: 0.5rem;
	padding: 0 clamp(0.5rem, 2vw, 2rem);
}

.glass-samples__viewport {
	flex: 1;
	overflow: hidden;
	scroll-snap-type: x mandatory;
	scroll-behavior: smooth;
	-webkit-overflow-scrolling: touch;
	overscroll-behavior-x: contain;
	overflow-x: auto;
	scrollbar-width: none;
}
.glass-samples__viewport::-webkit-scrollbar { display: none; }

.glass-samples__track {
	list-style: none;
	margin: 0;
	padding: 0.5rem 0 1.25rem;
	display: flex;
	gap: clamp(0.75rem, 1.5vw, 1.25rem);
}

.glass-samples__slide {
	flex: 0 0 auto;
	scroll-snap-align: start;
	width: clamp(220px, 26vw, 300px);
}

/* ---- КАРТОЧКА ---- */
.glass-samples__card {
	margin: 0;
	display: flex;
	flex-direction: column;
	gap: 0.875rem;
	transition: transform 400ms cubic-bezier(.2,.6,.2,1);
}

.glass-samples__media {
	position: relative;
	aspect-ratio: 9 / 16;
	overflow: hidden;
	border-radius: 14px;
	background: #1a1a1c;
	box-shadow: 0 18px 40px rgb(0 0 0 / 0.4);
	isolation: isolate;
	/* Фон «под» кольцом edge-glow — чтобы центр-заглушка совпадал с фоном медиа */
	--edge-fill: #1a1a1c;
}

/* Картинка образца — выше заглушки edge-glow (::after z:1),
   но с отступом внутрь на толщину кольца, чтобы рамка была видна. */
.glass-samples__media > img {
	position: absolute;
	inset: 3px; /* = --edge-thickness у surface--edge-glow--gold */
	z-index: 2;
	width: calc(100% - 6px);
	height: calc(100% - 6px);
	object-fit: cover;
	border-radius: 11px; /* 14 - 3 */
}

.glass-samples__media::after {
	content: '';
	position: absolute;
	inset: 0;
	background: linear-gradient(180deg, rgba(0,0,0,0) 55%, rgba(0,0,0,0.35) 100%);
	pointer-events: none;
	z-index: 1;
}

.glass-samples__media img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	object-position: center;
	transition: transform 700ms cubic-bezier(.2,.6,.2,1);
	user-select: none;
	-webkit-user-drag: none;
}

.glass-samples__card:hover img {
	transform: scale(1.04);
}

.glass-samples__num {
	position: absolute;
	top: 0.875rem;
	left: 0.875rem;
	z-index: 2;
	font-family: var(--font-serif);
	font-weight: 300;
	font-size: 1.125rem;
	letter-spacing: 0.1em;
	color: rgb(255 255 255 / 0.85);
	padding: 0.2em 0.55em;
	border: 1px solid rgb(255 255 255 / 0.35);
	border-radius: 999px;
	backdrop-filter: blur(6px);
	-webkit-backdrop-filter: blur(6px);
	background: rgb(0 0 0 / 0.25);
}

.glass-samples__caption {
	display: flex;
	flex-direction: column;
	gap: 0.2rem;
	padding: 0 0.25rem;
}

.glass-samples__name {
	font-family: var(--font-serif);
	font-weight: 400;
	font-size: 1.1rem;
	letter-spacing: 0.005em;
	color: rgb(var(--color-primary));
}

.glass-samples__sub {
	font-size: 0.8125rem;
	color: rgb(var(--color-primary) / 0.62);
	letter-spacing: 0.02em;
}

/* ---- СТРЕЛКИ ---- */
.glass-samples__nav {
	flex: 0 0 auto;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 48px;
	height: 48px;
	border-radius: 50%;
	background: rgb(255 255 255 / 0.05);
	border: 1px solid rgb(255 255 255 / 0.14);
	color: rgb(var(--color-primary));
	cursor: pointer;
	transition: background 240ms ease, border-color 240ms ease, transform 240ms ease, opacity 240ms ease;
	padding: 0;
}
.glass-samples__nav:hover {
	background: rgb(var(--color-accent) / 0.22);
	border-color: rgb(var(--color-accent) / 0.55);
	transform: scale(1.05);
}
.glass-samples__nav:focus-visible {
	outline: 2px solid rgb(var(--color-accent));
	outline-offset: 3px;
}
.glass-samples__nav:disabled,
.glass-samples__nav[aria-disabled="true"] {
	opacity: 0.35;
	cursor: default;
	transform: none;
}

/* ---- ПАГИНАЦИЯ ---- */
.glass-samples__footer {
	margin-top: 1rem;
	display: flex;
	justify-content: center;
}

.glass-samples__dots {
	display: flex;
	gap: 0.5rem;
}

.glass-samples__dot {
	width: 24px;
	height: 4px;
	padding: 0;
	border: 0;
	border-radius: 2px;
	background: rgb(255 255 255 / 0.18);
	cursor: pointer;
	transition: background 240ms ease, width 240ms ease;
}
.glass-samples__dot:hover { background: rgb(255 255 255 / 0.35); }
.glass-samples__dot.is-active {
	background: rgb(var(--color-accent));
	width: 36px;
}
.glass-samples__dot:focus-visible {
	outline: 2px solid rgb(var(--color-accent));
	outline-offset: 2px;
}

/* Мобильная адаптация: скрываем стрелки (есть нативный свайп) */
@media (max-width: 767px) {
	.glass-samples__nav { display: none; }

	.glass-samples__slider {
		padding: 0;
	}
	.glass-samples__track {
		padding-left: 1rem;
		padding-right: 1rem;
	}
	.glass-samples__slide {
		width: 72vw;
		max-width: 280px;
	}
	.glass-samples__name { font-size: 1rem; }
	.glass-samples__sub  { font-size: 0.75rem; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
	.glass-samples__viewport { scroll-behavior: auto; }
	.glass-samples__media img,
	.glass-samples__card,
	.glass-samples__nav,
	.glass-samples__dot { transition: none; }
}