/* Professional profile. All component rules are isolated from other templates. */
.ba-about {
	color: var(--ba-text-secondary);
	font-size: 1rem;
	line-height: 1.7;
}

.ba-about__container {
	width: min(1160px, calc(100% - var(--ba-container-gutter)));
	margin-inline: auto;
}

.ba-about h1,
.ba-about h2,
.ba-about h3 {
	text-wrap: pretty;
	line-height: 1.2;
}

.ba-about h1 {
	margin-bottom: var(--ba-space-lg);
	font-size: clamp(2.25rem, 1.5rem + 3.5vw, 4.25rem);
	letter-spacing: -0.035em;
}

.ba-about h2 {
	font-size: clamp(1.9rem, 3.2vw, 2.75rem);
	letter-spacing: -0.025em;
}

.ba-about h3 {
	margin-bottom: var(--ba-space-sm);
	font-size: clamp(1.2rem, 1.7vw, 1.5rem);
	letter-spacing: -0.015em;
}

.ba-about .ba-kicker {
	margin-bottom: var(--ba-space-md);
	color: var(--ba-accent);
	font-size: 0.75rem;
}

.ba-about__hero {
	display: grid;
	grid-template-columns: minmax(0, 1fr);
	align-items: center;
	gap: clamp(2rem, 4vw, 4rem);
	padding-block: clamp(3rem, 7vw, 6rem) clamp(3rem, 5vw, 4.5rem);
}

.ba-about__headline {
	max-width: 40ch;
	color: var(--ba-accent);
	font-size: clamp(1.05rem, 1.5vw, 1.2rem);
	font-weight: 500;
	line-height: 1.6;
}

.ba-about__lede {
	color: var(--ba-text-primary);
	font-size: 1.125rem;
}

.ba-about__headline span { display: inline; }

.ba-about__intro > p { max-width: 70ch; }
.ba-about .ba-button-row { margin-top: var(--ba-space-xl); }
.ba-about .ba-button { gap: var(--ba-space-xs); letter-spacing: 0.035em; }
.ba-about .ba-button:hover { transform: none; }

.ba-about__portrait {
	width: min(100%, 440px);
	margin: 0;
	overflow: hidden;
	border: 1px solid var(--ba-border-hover);
	border-radius: var(--ba-radius-card);
	background: var(--ba-bg-card);
	box-shadow: var(--ba-shadow-card);
}

.ba-about__portrait img {
	width: 100%;
	height: auto;
	aspect-ratio: 4 / 5;
	object-fit: cover;
	object-position: 52% 45%;
}

.ba-about__nav {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: var(--ba-space-xs) var(--ba-space-xl);
	padding-block: var(--ba-space-md);
	border-block: 1px solid var(--ba-border);
}

.ba-about__nav a {
	display: inline-flex;
	align-items: center;
	min-height: 44px;
	color: var(--ba-text-secondary);
	font-size: 0.9rem;
	text-decoration: none;
}

.ba-about__nav a:hover { color: var(--ba-accent); }
.ba-about__section { padding-top: clamp(3.5rem, 7vw, 6rem); scroll-margin-top: calc(var(--ba-header-height) + var(--ba-admin-offset) + 2rem); }
.ba-about .ba-section-heading { margin-bottom: var(--ba-space-2xl); }
.ba-about .ba-section-heading h2 { margin-bottom: 0; }
.ba-about__entry { padding-block: clamp(2rem, 4vw, 3rem); border-top: 1px solid var(--ba-border); }
.ba-about__entry:last-child { padding-bottom: 0; }

.ba-about__entry-heading {
	display: grid;
	grid-template-columns: minmax(0, 1fr);
	align-items: baseline;
	gap: 0 var(--ba-space-xl);
}

.ba-about__entry-heading h3 { margin-bottom: var(--ba-space-xs); }
.ba-about__location { margin-bottom: var(--ba-space-md); font-size: 0.95rem; }
.ba-about__dates { margin-bottom: var(--ba-space-md); font-family: var(--ba-font-mono); font-size: 0.85rem; }
.ba-about__role { color: var(--ba-text-primary); font-weight: 500; }
.ba-about__measure { max-width: 72ch; }
.ba-about strong { color: var(--ba-text-primary); font-weight: 500; }
.ba-about__subheading { margin-bottom: var(--ba-space-sm); color: var(--ba-text-primary); font-size: 0.9rem; font-weight: 600; }
.ba-about__coursework { display: grid; grid-template-columns: minmax(0, 1fr); gap: 0.375rem var(--ba-space-xl); max-width: 900px; margin: 0; }
.ba-about__coursework li { margin: 0; font-size: 0.95rem; }
.ba-about__coursework li::marker,
.ba-about__bullets li::marker { color: var(--ba-border-hover); }
.ba-about__experience { --ba-timeline-indent: clamp(1rem, 3vw, 2rem); border-left: 1px solid var(--ba-border); padding-left: var(--ba-timeline-indent); }
.ba-about__experience .ba-about__entry { position: relative; }
.ba-about__experience .ba-about__entry::before { content: ""; position: absolute; top: calc(clamp(2rem, 4vw, 3rem) + 0.5rem); left: calc(-1 * var(--ba-timeline-indent) - 5px); width: 9px; height: 9px; background: var(--ba-accent); border-radius: 50%; }
.ba-about__bullets { max-width: 78ch; margin-bottom: 0; }
.ba-about__bullets li + li { margin-top: var(--ba-space-sm); }

.ba-about__edge-grid { display: grid; grid-template-columns: minmax(0, 1fr); gap: var(--ba-space-md); }
.ba-about__capability { padding: var(--ba-space-lg); border: 1px solid var(--ba-border); border-radius: var(--ba-radius-card); background: var(--ba-bg-card); }
.ba-about__capability h3 { font-size: 1.15rem; line-height: 1.35; }
.ba-about__capability > p:last-child { margin-bottom: 0; font-size: 0.95rem; }
.ba-about__skills-grid,
.ba-about__projects-grid,
.ba-about__certifications-grid { display: grid; grid-template-columns: minmax(0, 1fr); gap: var(--ba-space-xl); }
.ba-about__skills-grid { gap: var(--ba-space-2xl) var(--ba-space-3xl); }
.ba-about__skill-group { padding-top: var(--ba-space-lg); border-top: 1px solid var(--ba-border); }
.ba-about__skill-group h3 { font-size: 1.1rem; margin-bottom: var(--ba-space-lg); }
.ba-about__tags { display: flex; flex-wrap: wrap; gap: var(--ba-space-xs); padding: 0; margin: 0; list-style: none; }
.ba-about__tags li { max-width: 100%; margin: 0; padding: 0.2rem 0.55rem; border: 1px solid var(--ba-border); border-radius: var(--ba-radius-control); font-size: 0.8125rem; line-height: 1.6; }

.ba-about__research-list { display: grid; gap: var(--ba-space-lg); }
.ba-about__research { display: grid; grid-template-columns: minmax(0, 1fr); gap: var(--ba-space-xl); padding: clamp(1.125rem, 3vw, 2.5rem); border: 1px solid var(--ba-border); border-radius: var(--ba-radius-card); background: var(--ba-bg-secondary); }
.ba-about__research:first-child { border-top: 2px solid var(--ba-accent); }
.ba-about__research h3 { max-width: 38ch; font-size: clamp(1.4rem, 2.3vw, 1.9rem); line-height: 1.3; }
.ba-about__research-index { display: flex; flex-wrap: wrap; gap: var(--ba-space-xs) var(--ba-space-xl); font-size: 0.85rem; }
.ba-about__research-index p { margin: 0; }
.ba-about__research-subtitle { color: var(--ba-text-primary); max-width: 65ch; }
.ba-about__metrics { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--ba-space-lg); padding-block: var(--ba-space-lg); margin: 0 0 var(--ba-space-lg); border-top: 1px solid var(--ba-border); }
.ba-about__metrics > div { display: flex; flex-direction: column; gap: var(--ba-space-xs); }
.ba-about__metrics dt { font-size: 0.8rem; line-height: 1.5; }
.ba-about__metrics dd { order: -1; margin: 0; color: var(--ba-text-primary); font-family: var(--ba-font-heading); font-size: 1.4rem; font-weight: 600; line-height: 1.3; }
.ba-about__project { display: flex; flex-direction: column; min-width: 0; padding: clamp(1.125rem, 3vw, 2rem); border: 1px solid var(--ba-border); border-radius: var(--ba-radius-card); background: var(--ba-bg-card); }
.ba-about__project h3 { font-size: 1.35rem; line-height: 1.35; }
.ba-about__project .ba-about__tags { margin-top: auto; }
.ba-about__project .ba-about__metrics { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.ba-about__project .ba-text-link,
.ba-about__research .ba-text-link { margin-top: var(--ba-space-lg); }
.ba-about__awards-grid { display: grid; grid-template-columns: minmax(0, 1fr); gap: var(--ba-space-xl); }
.ba-about__awards-grid article { border-top: 1px solid var(--ba-border); padding-top: var(--ba-space-lg); }
.ba-about__awards-grid h3,
.ba-about__certifications-grid h3 { font-size: 1.1rem; }
.ba-about__awards-grid p:last-child { margin-bottom: 0; }
.ba-about__certifications-grid { padding-top: var(--ba-space-lg); border-top: 1px solid var(--ba-border); }
.ba-about__certifications-grid ul { margin-bottom: 0; }
.ba-about__interests { display: grid; grid-template-columns: minmax(0, 1fr); gap: var(--ba-space-md); padding-block: clamp(3rem, 5vw, 4.5rem); margin-top: var(--ba-space-2xl); border-top: 1px solid var(--ba-border); }
.ba-about__interests h2 { font-size: 1.2rem; margin: 0; }
.ba-about__interests p { margin: 0; }
.ba-about__closing { padding: clamp(1.25rem, 5vw, 4.5rem); margin-bottom: clamp(3.5rem, 7vw, 6rem); border: 1px solid var(--ba-border); border-top: 2px solid var(--ba-accent); border-radius: var(--ba-radius-card); background: var(--ba-bg-card); }
.ba-about__closing h2 { max-width: 26ch; }
.ba-about__closing > p { max-width: 65ch; }

.about-resume-download {
	padding-block: var(--ba-space-3xl) var(--ba-space-4xl);
	border-top: 1px solid var(--ba-border);
	scroll-margin-top: calc(var(--ba-header-height) + 2rem);
}
.about-resume-download > p:not(.ba-kicker) { max-width: 65ch; margin-bottom: var(--ba-space-xl); }
.about-resume-download .resume-download-button { min-height: 3.25rem; padding: 0.875rem 1.5rem; cursor: pointer; }
.about-resume-download .resume-download-button:hover { background: var(--ba-accent-hover); }
.about-resume-download .resume-download-button:focus-visible { outline: 2px solid var(--ba-accent); outline-offset: 5px; }

@media (min-width: 40rem) {
	.ba-about__edge-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
	.ba-about__coursework,
	.ba-about__skills-grid,
	.ba-about__projects-grid,
	.ba-about__certifications-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
	.ba-about__metrics { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (min-width: 64rem) {
	.ba-about__hero { grid-template-columns: minmax(0, 1.38fr) minmax(0, 1fr); }
	.ba-about__portrait { width: 100%; }
	.ba-about__entry-heading { grid-template-columns: minmax(0, 1fr) auto; }
	.ba-about__research { grid-template-columns: minmax(0, 1fr) minmax(0, 3.3fr); }
	.ba-about__research-index { display: block; }
	.ba-about__research-index p + p { margin-top: var(--ba-space-md); }
	.ba-about__awards-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
	.ba-about__interests { grid-template-columns: minmax(0, 1fr) minmax(0, 3fr); }
}

@media (min-width: 80rem) {
	.ba-about__edge-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

@media (max-width: 29.99rem) {
	.about-resume-download .resume-download-button { width: 100%; padding-inline: 1rem; }
}

/* Global main.css already provides smooth scrolling and reduced-motion overrides. */