/* ==========================================================================
   RS Sinkin About – Carousel
   ========================================================================== */

.rssinkin-about-wrap {
	max-width: 1280px;
	margin: 0 auto;
	padding: 0 20px;
	box-sizing: border-box;
}

/* --- Two-column layout --- */
.rssinkin-about-layout {
	display: inline-flex;
	justify-content: flex-start;
	align-items: flex-start; /* top-aligned; right column uses margin-top for image-bottom alignment */
	gap: 44px;
	width: 100%;
}

/* ==========================================================================
   LEFT column
   ========================================================================== */
.rssinkin-about-left {
	flex: 1;
	min-width: 0;
}

.rssinkin-about-swiper {
	overflow: hidden;
}

.rssinkin-about-swiper .swiper-slide {
	height: auto;
}

/* Card: image + text side by side */
.rssinkin-about-card {
	display: inline-flex;
	justify-content: flex-start;
	align-items: center;
	gap: 44px;
	padding-left: 20px;
	padding-right: 20px;
}

/* --- Main capsule image --- */
.rssinkin-about-main-img {
	width: 310px;
	height: 453px;
	border-radius: 310px;
	background-size: cover;
	background-position: center;
	background-color: #f0f0f0;
	flex-shrink: 0;
}

/* --- Text content --- */
.rssinkin-about-content {
	position: relative;
	display: inline-flex;
	flex-direction: column;
	justify-content: flex-start;
	align-items: flex-start;
	gap: 20px; /* 20px between each child, including nav below desc */
}

.rssinkin-about-index {
	position: absolute;
	right: 0;
	top: -53px;
	opacity: 0.5;
	color: #98A68C;
	font-size: 72px;
	font-family: 'Poppins', sans-serif;
	font-weight: 400;
	text-transform: capitalize;
	line-height: 115.2px;
	pointer-events: none;
	user-select: none;
}

.rssinkin-about-title {
	color: #5F5E5B;
	font-size: 23px;
	font-family: 'Noto Sans CJK TC', 'Noto Sans TC', sans-serif;
	font-weight: 500;
	line-height: 29.9px;
	margin: 0;
}

.rssinkin-about-desc {
	color: #5F5E5B;
	font-size: 16px;
	font-family: 'Noto Sans TC', sans-serif;
	font-weight: 400;
	line-height: 32px;
}

/* --- Nav arrows (inside content, 20px below desc via gap) --- */
.rssinkin-about-nav {
	display: inline-flex;
	justify-content: flex-start;
	align-items: center;
	gap: 20px;
}

.rssinkin-about-nav button {
	background: none;
	border: none;
	padding: 0;
	margin: 0;
	cursor: pointer;
	line-height: 0;
	transition: opacity 0.3s ease;
	-webkit-tap-highlight-color: transparent;
}

.rssinkin-about-nav button:hover {
	opacity: 0.75;
}

.rssinkin-about-prev svg {
	transform: scaleX(-1);
}

/* ==========================================================================
   Staggered entrance – content elements only (nav excluded)
   ========================================================================== */
.rssinkin-about-main-img,
.rssinkin-about-index,
.rssinkin-about-title,
.rssinkin-about-desc {
	transition: opacity 0.45s ease, transform 0.45s ease;
}

/* Non-active slide: offset right + invisible */
.swiper-slide:not(.swiper-slide-active) .rssinkin-about-main-img,
.swiper-slide:not(.swiper-slide-active) .rssinkin-about-index,
.swiper-slide:not(.swiper-slide-active) .rssinkin-about-title,
.swiper-slide:not(.swiper-slide-active) .rssinkin-about-desc {
	opacity: 0;
	transform: translateX(40px);
}

/* Active slide: staggered delays */
.swiper-slide-active .rssinkin-about-main-img { transition-delay: 0.05s; }
.swiper-slide-active .rssinkin-about-index    { transition-delay: 0.10s; }
.swiper-slide-active .rssinkin-about-title    { transition-delay: 0.15s; }
.swiper-slide-active .rssinkin-about-desc     { transition-delay: 0.20s; }

/* ==========================================================================
   RIGHT column – capsule thumbnails
   ========================================================================== */
.rssinkin-about-right {
	display: flex;
	gap: 20px;
	flex-shrink: 0;
	margin-top: 94px; /* 453px image − 359px capsule = bottoms align */
}

.rssinkin-about-thumb {
	width: 246px;
	height: 359px;
	border-radius: 123px;
	background-size: cover;
	background-position: center;
	background-color: #fff;
	flex-shrink: 0;
	opacity: 0.7;
	transition: transform 0.35s ease, opacity 0.35s ease;
}

/* ==========================================================================
   Tablet  –  768 – 1299 px
   ========================================================================== */
@media (max-width: 1299px) {

	.rssinkin-about-layout {
		gap: 30px;
	}

	.rssinkin-about-card {
		gap: 30px;
		padding-left: 10px;
		padding-right: 10px;
	}

	.rssinkin-about-main-img {
		width: 240px;
		height: 350px;
		border-radius: 240px;
	}

	.rssinkin-about-index {
		font-size: 52px;
		top: -40px;
		line-height: 1.6;
	}

	.rssinkin-about-title {
		font-size: 20px;
		line-height: 1.3;
	}

	.rssinkin-about-desc {
		font-size: 14px;
		line-height: 28px;
	}

	.rssinkin-about-right {
		margin-top: 60px; /* 350px image − 290px capsule */
	}

	.rssinkin-about-thumb--second {
		display: none;
	}

	.rssinkin-about-thumb {
		width: 200px;
		height: 290px;
		border-radius: 100px;
	}
}

/* ==========================================================================
   Mobile  –  < 768 px
   ========================================================================== */
@media (max-width: 767px) {

	.rssinkin-about-wrap {
		padding: 0 16px;
	}

	.rssinkin-about-layout {
		gap: 0;
	}

	.rssinkin-about-card {
		flex-direction: column;
		gap: 20px;
		padding: 0;
	}

	.rssinkin-about-main-img {
		width: 100%;
		max-width: 260px;
		height: 300px;
		border-radius: 200px;
		margin: 0 auto;
	}

	.rssinkin-about-content {
		align-items: center;
		text-align: center;
	}

	.rssinkin-about-index {
		position: static;
		font-size: 40px;
		line-height: 1.2;
	}

	.rssinkin-about-title {
		font-size: 18px;
		line-height: 1.3;
	}

	.rssinkin-about-desc {
		font-size: 14px;
		line-height: 1.8;
	}

	.rssinkin-about-right {
		display: none;
	}

	.rssinkin-about-nav {
		justify-content: center;
	}

	.rssinkin-about-nav svg {
		width: 48px;
		height: 48px;
	}
}

/* ==========================================================================
   Small mobile  –  < 480 px  (12 px minimum)
   ========================================================================== */
@media (max-width: 479px) {

	.rssinkin-about-title {
		font-size: 16px;
	}

	.rssinkin-about-desc {
		font-size: 12px;
		line-height: 24px;
	}

	.rssinkin-about-index {
		font-size: 32px;
	}
}