/* ============================================================
   08-pillars.css — Three Pillars Section (XANH / SẠCH / KHỎE)
   Used on front-page only.
   ============================================================ */

.y-pillars {
	background-color: var(--y-cream);
	padding: var(--y-space-lg) 0;
}

.y-pillars__inner {
	max-width: var(--y-container);
	margin: 0 auto;
	padding: 0 var(--y-gutter);
}

.y-pillars__header {
	text-align: center;
	max-width: 640px;
	margin: 0 auto var(--y-space-lg);
}

.y-pillars__eyebrow {
	display: inline-block;
	font-family: var(--y-font-sans);
	font-size: 0.8rem;
	font-weight: 500;
	letter-spacing: 0.2em;
	text-transform: uppercase;
	color: var(--y-cedar);
	margin-bottom: var(--y-space-sm);
}

.y-pillars__title {
	font-family: var(--y-font-serif);
	font-size: clamp(2rem, 4vw, 3rem);
	font-weight: 500;
	line-height: 1.15;
	color: var(--y-ink);
	margin: 0 0 var(--y-space-sm);
}

.y-pillars__subtitle {
	font-family: var(--y-font-sans);
	font-size: 1.05rem;
	color: var(--y-ink-soft);
	margin: 0;
	max-width: 480px;
	margin-left: auto;
	margin-right: auto;
}

/* --- Grid --- */
.y-pillars__grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: var(--y-space-md);
}

@media (max-width: 900px) {
	.y-pillars__grid {
		grid-template-columns: 1fr;
		gap: var(--y-space-md);
		max-width: 480px;
		margin: 0 auto;
	}
}

/* --- Single pillar card --- */
.y-pillar {
	background-color: var(--y-cream-warm);
	border: 1px solid var(--y-line);
	border-radius: var(--y-radius-md);
	padding: var(--y-space-md);
	display: flex;
	flex-direction: column;
	align-items: flex-start;
	transition: transform var(--y-duration) var(--y-ease),
				box-shadow var(--y-duration) var(--y-ease),
				border-color var(--y-duration) var(--y-ease);
}

.y-pillar:hover {
	transform: translateY(-4px);
	box-shadow: var(--y-shadow-md);
	border-color: var(--y-sage);
}

.y-pillar__number {
	font-family: var(--y-font-sans);
	font-size: 0.8rem;
	font-weight: 500;
	letter-spacing: 0.2em;
	color: var(--y-ink-soft);
	margin-bottom: var(--y-space-sm);
}

.y-pillar__name {
	font-family: var(--y-font-serif);
	font-size: clamp(1.75rem, 2.5vw, 2.25rem);
	font-weight: 500;
	letter-spacing: 0.04em;
	text-transform: uppercase;
	color: var(--y-sage-deep);
	margin: 0 0 var(--y-space-sm);
	line-height: 1;
}

.y-pillar__divider {
	width: 40px;
	height: 1px;
	background-color: var(--y-sage);
	margin: 0 0 var(--y-space-sm);
	border: none;
}

.y-pillar__desc {
	font-family: var(--y-font-sans);
	font-size: 1rem;
	line-height: 1.7;
	color: var(--y-ink-soft);
	margin: 0;
	max-width: none;
}