/*
 * Khối Giới thiệu – letter: thư chào có chữ ký. Chân dung minh họa trong khung vòm | chữ nhật 3:4 | polaroid,
 * luôn có nhãn "Ảnh minh họa". Không có chân dung: một cột căn giữa với hoa văn kẻ đôi ◆.
 * Mobile trước, mốc 1024px.
 */

.vh-intro-lt {
	display: grid;
	grid-template-columns: minmax(0, 1fr);
	gap: clamp(24px, 5vw, 56px);
	align-items: center;
}

/* ---- Chân dung ---- */
.vh-intro-lt__fig {
	position: relative;
	justify-self: center;
	width: min(100%, 320px);
	margin: 0;
}

.vh-intro-lt__frame {
	position: relative;
	overflow: hidden;
	background: var(--vh-color-surface);
}

.vh-intro-lt__fig--arch .vh-intro-lt__frame {
	border-radius: 50% 50% 0 0 / 30% 30% 0 0;
}

.vh-intro-lt__fig--rect .vh-intro-lt__frame {
	border-radius: var(--vh-radius-media);
}

.vh-intro-lt__fig .vh-img,
.vh-intro-lt__silhouette {
	display: block;
	width: 100%;
	height: auto;
	aspect-ratio: 3 / 4;
	object-fit: cover;
	border-radius: 0;
}

.vh-intro-lt__silhouette {
	padding-top: 12%;
	fill: var(--vh-color-muted);
}

/* Polaroid: khung trắng, đáy rộng có chú thích viết tay, nghiêng nhẹ trên máy tính. */
.vh-intro-lt__fig--polaroid {
	padding: 10px 10px 4px;
	border-radius: 2px;
	background: var(--vh-color-card);
	box-shadow: var(--vh-shadow-card);
}

.vh-intro-lt__fig--polaroid .vh-img,
.vh-intro-lt__fig--polaroid .vh-intro-lt__silhouette {
	aspect-ratio: 1;
}

.vh-intro-lt__pcap {
	padding: 8px 4px 10px;
	color: var(--vh-color-text);
	font-family: var(--vh-font-accent, var(--vh-font-body));
	font-size: 1.25rem;
	line-height: 1.25;
	text-align: center;
}

.vh-intro-lt__tag {
	position: absolute;
	bottom: 8px;
	left: 8px;
	padding: 1px 8px;
	border-radius: var(--vh-radius-chip);
	background: var(--vh-color-bg);
	color: var(--vh-color-muted);
	font-size: 0.75rem;
	font-weight: var(--vh-fw-medium);
	line-height: 1.5;
}

.vh-intro-lt__fig--arch .vh-intro-lt__tag {
	left: 50%;
	transform: translateX(-50%);
	white-space: nowrap;
}

/* ---- Hoa văn khi không có chân dung: kẻ ngang + ◆ ---- */
.vh-intro-lt__ornament {
	position: relative;
	justify-self: center;
	width: 120px;
	height: 12px;
	background: linear-gradient(var(--vh-color-ornament, var(--vh-color-border-strong)), var(--vh-color-ornament, var(--vh-color-border-strong))) center / 100% 1px no-repeat;
}

.vh-intro-lt__ornament::after {
	content: "";
	position: absolute;
	top: 50%;
	left: 50%;
	width: 8px;
	height: 8px;
	background: var(--vh-color-ornament, var(--vh-color-border-strong));
	/* Viền màu nền khối để ◆ cắt ngang đường kẻ. */
	box-shadow: 0 0 0 4px var(--vh-color-bg);
	transform: translate(-50%, -50%) rotate(45deg);
}

.vh-alt .vh-intro-lt__ornament::after {
	box-shadow: 0 0 0 4px var(--vh-color-surface);
}

.vh-deep .vh-intro-lt__ornament::after {
	box-shadow: 0 0 0 4px var(--vh-color-deep);
}

/* ---- Thư ---- */
.vh-intro-lt__body {
	display: grid;
	justify-items: start;
	gap: 12px;
	min-width: 0;
	max-width: 40rem;
}

.vh-intro-lt--solo {
	max-width: calc(720px + 2 * var(--vh-page-pad));
	justify-items: center;
}

.vh-intro-lt--solo .vh-intro-lt__body {
	justify-items: center;
	text-align: center;
}

.vh-intro-lt--solo .vh-hero-btns {
	justify-content: center;
}

.vh-intro-lt__eyebrow {
	margin: 0;
	text-transform: var(--vh-label-transform, none);
	letter-spacing: var(--vh-ls-label, 0.04em);
}

.vh-intro-lt__title {
	margin: 0;
}

.vh-intro-lt__letter {
	display: grid;
	gap: 12px;
	font-size: var(--vh-fs-lead);
	line-height: 1.7;
}

.vh-intro-lt__letter--italic {
	font-family: var(--vh-font-heading);
	font-style: italic;
}

.vh-intro-lt__signoff {
	display: grid;
	justify-items: inherit;
	gap: 2px;
	margin-top: 4px;
}

.vh-intro-lt__script {
	color: var(--vh-color-text);
	font-family: var(--vh-font-accent, var(--vh-font-heading));
	font-size: 2rem;
	line-height: 1.25;
}

.vh-intro-lt__signoff .vh-img {
	width: 200px;
	height: auto;
	aspect-ratio: 3 / 1;
	object-fit: contain;
	background: transparent;
}

.vh-intro-lt__who {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 4px 8px;
	font-size: var(--vh-fs-small);
}

.vh-intro-lt__name {
	font-weight: var(--vh-fw-bold);
}

.vh-intro-lt__role {
	color: var(--vh-color-muted);
}

.vh-intro-lt__role::before {
	content: "· ";
}

.vh-intro-lt__meta {
	color: var(--vh-color-muted);
	font-size: var(--vh-fs-small);
}

/* Panel pastel sau thư (homestay). */
.vh-intro-lt--panel .vh-intro-lt__body {
	padding: clamp(20px, 4vw, 40px);
	border-radius: var(--vh-radius-card);
	background: var(--vh-color-fun-1, var(--vh-color-card));
	color: var(--vh-color-text);
}

@media (min-width: 1024px) {
	.vh-intro-lt--fig {
		grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
	}

	.vh-intro-lt__fig {
		width: min(100%, 360px);
	}

	.vh-intro-lt__fig--polaroid {
		transform: rotate(-2deg);
	}
}