.dah {
	--dah-accent: #1d8548;
	--dah-ink: #0b1220;
	--dah-muted: #5d6a72;
	--dah-line: #dfe5e2;
	--dah-soft: #eef6f1;
	color: var(--dah-ink);
	line-height: 1.6;
	max-width: 1100px;
	margin: 0 auto;
	padding: 0 16px;
	box-sizing: border-box;
}
.dah *, .dah *::before, .dah *::after { box-sizing: border-box; }
.dah img { max-width: 100%; height: auto; display: block; }
.dah [hidden] { display: none !important; }

/* Optional page header */
.dah-hero { padding: 24px 0 8px; }
.dah-eyebrow { margin: 0 0 6px; color: var(--dah-accent); font-size: .8rem; letter-spacing: .04em; text-transform: uppercase; }
.dah-hero h2 { margin: 0 0 10px; font-size: clamp(1.8rem, 5vw, 2.6rem); line-height: 1.15; }
.dah-hero h2 span { color: var(--dah-accent); }
.dah-hero p { margin: 0; color: var(--dah-muted); max-width: 60ch; }

/* Tier 1: association pills */
.dah-pills { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin: 26px 0 18px; }
.dah-pill {
	appearance: none; cursor: pointer; font: inherit; font-weight: 700; font-size: .92rem;
	padding: 9px 18px; border: 0; border-radius: 8px; background: transparent; color: var(--dah-ink);
}
.dah-pill:hover { background: var(--dah-soft); }
.dah-pill.is-active { background: var(--dah-accent); color: #fff; }

/* Tier 2: section tabs */
.dah-tabs { display: flex; flex-wrap: wrap; justify-content: center; gap: 4px 6px; margin: 0 0 30px; }
.dah-tab {
	appearance: none; cursor: pointer; font: inherit; font-size: .85rem;
	padding: 8px 14px; border: 0; border-radius: 8px; background: transparent; color: var(--dah-muted);
}
.dah-tab:hover { color: var(--dah-ink); background: var(--dah-soft); }
.dah-tab.is-active { background: var(--dah-accent); color: #fff; }
.dah-pill:focus-visible, .dah-tab:focus-visible, .dah-session-select:focus-visible, .dah-lb:focus-visible, .dah-contact a:focus-visible {
	outline: 3px solid var(--dah-accent); outline-offset: 2px;
}

/* Session dropdown */
.dah-session-bar { display: flex; justify-content: center; align-items: center; gap: 12px; margin-bottom: 26px; flex-wrap: wrap; }
.dah-session-bar label { font-weight: 600; font-size: .9rem; }
.dah-session-select {
	font: inherit; font-size: .9rem; padding: 8px 14px; min-width: 210px;
	border: 1.5px solid var(--dah-accent); border-radius: 8px; background-color: #fff; color: var(--dah-ink); cursor: pointer;
}

/* Member cards */
.dah-cards {
	list-style: none; margin: 0 0 22px; padding: 0;
	display: grid; grid-template-columns: minmax(0, 1fr); gap: 22px;
}
.dah-lead { justify-content: center; }
.dah-card {
	display: flex; flex-direction: column; align-items: center; text-align: center;
	margin: 0; padding: 40px 24px 38px; background: #fff;
	border: 1.5px solid var(--dah-accent); border-radius: 28px;
	box-shadow: 0 6px 22px rgba(29, 133, 72, .08);
}
.dah-photo {
	width: 100%; max-width: 210px; aspect-ratio: 1; border-radius: 50%; overflow: hidden;
	border: 3px solid var(--dah-accent); padding: 3px; margin-bottom: 30px; background: #fff;
}
.dah-photo img, .dah-photo svg { width: 100%; height: 100%; object-fit: cover; border-radius: 50%; display: block; }
.dah-name { font-size: 1.15rem; line-height: 1.5; font-weight: 600; }
.dah-role { margin-top: 12px; color: var(--dah-accent); font-weight: 600; font-size: 1.08rem; }
.dah-tag { margin-top: 22px; color: var(--dah-muted); font-size: 1.02rem; line-height: 1.8; }
.dah-contact { display: flex; justify-content: center; gap: 18px; margin-top: 14px; }
.dah-contact a { color: var(--dah-ink); display: inline-flex; }
.dah-contact a:hover { color: var(--dah-accent); }
.dah-sub { margin: 30px 0 14px; text-align: center; font-size: 1.1rem; }
.dah-sub:first-child { margin-top: 0; }
.dah-card.is-past { border-color: var(--dah-line); }
.dah-card.is-past .dah-photo { border-color: var(--dah-line); max-width: 140px; }

/* About */
.dah-about { display: flex; gap: 22px; align-items: flex-start; max-width: 780px; margin: 0 auto; }
.dah-about .dah-logo { width: 110px; height: 110px; border-radius: 50%; object-fit: cover; flex: none; border: 2px solid var(--dah-accent); padding: 3px; }
.dah-about h3 { margin: 0 0 8px; }

/* Activities and achievements */
.dah-posts { display: grid; grid-template-columns: repeat(auto-fill, minmax(290px, 1fr)); gap: 18px; }
.dah-post { display: flex; flex-direction: column; border: 1.5px solid var(--dah-line); border-radius: 16px; overflow: hidden; background: #fff; }
.dah-post-img img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; }
.dah-post-body { padding: 18px 20px 22px; }
.dah-post-body time { color: var(--dah-accent); font-weight: 600; font-size: .82rem; }
.dah-post-body h3 { margin: 4px 0 8px; font-size: 1.1rem; line-height: 1.35; }
.dah-post-body p { margin: 0 0 12px; color: var(--dah-muted); font-size: .92rem; }

/* Gallery and graphics */
.dah-gallery { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 10px; }
.dah-gallery .dah-lb { aspect-ratio: 4 / 3; overflow: hidden; border-radius: 12px; background: var(--dah-soft); }
.dah-gallery .dah-lb img { width: 100%; height: 100%; object-fit: cover; transition: transform .25s ease; }
.dah-gallery .dah-lb:hover img { transform: scale(1.04); }
.dah-graphics { column-width: 250px; column-gap: 14px; }
.dah-graphics .dah-lb { display: block; margin-bottom: 14px; break-inside: avoid; border-radius: 12px; overflow: hidden; border: 1.5px solid var(--dah-line); }

/* Videos */
.dah-videos { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 20px; }
.dah-video iframe, .dah-video video { width: 100%; aspect-ratio: 16 / 9; height: auto; border: 0; border-radius: 12px; background: #000; }

/* Lightbox */
.dah-box {
	position: fixed; inset: 0; z-index: 99999; background: rgba(0, 4, 13, .93);
	display: flex; align-items: center; justify-content: center; padding: 24px;
}
.dah-box[hidden] { display: none; }
.dah-box img { max-width: 100%; max-height: 100%; object-fit: contain; border-radius: 4px; }
.dah-box button {
	position: absolute; background: rgba(255, 255, 255, .14); color: #fff; border: 0; cursor: pointer;
	width: 46px; height: 46px; border-radius: 50%; font-size: 28px; line-height: 1;
}
.dah-box button:hover { background: rgba(255, 255, 255, .3); }
.dah-box-close { top: 16px; right: 16px; }
.dah-box-prev { left: 14px; top: 50%; transform: translateY(-50%); }
.dah-box-next { right: 14px; top: 50%; transform: translateY(-50%); }

@media (min-width: 600px) {
	.dah-cards:not(.dah-lead) { grid-template-columns: repeat(2, minmax(0, 1fr)); }
	.dah-lead { grid-template-columns: minmax(0, 400px); }
}
@media (min-width: 920px) {
	.dah-cards:not(.dah-lead) { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 26px; }
}
@media (max-width: 560px) {
	/* Keep both tab rows horizontal and left-aligned on phones.
	   Users can swipe sideways to reach tabs that do not fit. */
	.dah-pills,
	.dah-tabs {
		justify-content: flex-start;
		flex-wrap: nowrap;
		overflow-x: auto;
		overflow-y: hidden;
		-webkit-overflow-scrolling: touch;
		scrollbar-width: none;
		white-space: nowrap;
		max-width: 100%;
	}
	.dah-pills::-webkit-scrollbar,
	.dah-tabs::-webkit-scrollbar { display: none; }
	.dah-pill,
	.dah-tab {
		flex: 0 0 auto;
		white-space: nowrap;
	}
	.dah-pills { margin: 22px 0 18px; padding: 0 0 4px; }
	.dah-tabs { margin: 0 0 24px; padding: 0 0 4px; }

	/* Executive/staff cards follow the supplied mobile reference. */
	.dah-cards { grid-template-columns: minmax(0, 1fr); gap: 18px; }
	.dah-lead { grid-template-columns: minmax(0, 1fr); }
	.dah-card {
		width: 100%;
		padding: 34px 20px 32px;
		border-radius: 26px;
		align-items: center;
		text-align: center;
	}
	.dah-photo {
		width: min(70vw, 210px);
		max-width: 210px;
		margin-bottom: 28px;
	}
	.dah-name { font-size: 1.12rem; line-height: 1.5; }
	.dah-role { margin-top: 10px; }
	.dah-tag { margin-top: 20px; }
	.dah-about { flex-direction: column; align-items: center; text-align: center; }
	.dah-videos { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
	.dah-gallery .dah-lb img { transition: none; }
}