.section-heading {
	display: flex;
	align-items: end;
	justify-content: space-between;
	gap: var(--space-xl);
	margin-bottom: var(--space-2xl);
}

.section-heading__content { max-width: 48rem; }
.section-heading__title { margin-bottom: var(--space-md); }
.section-heading__description { max-width: 42rem; margin-bottom: 0; font-size: var(--font-body-lg); }
.section-heading--center { display: block; text-align: center; }
.section-heading--center .section-heading__content,
.section-heading--center .section-heading__description { margin-inline: auto; }
.section-heading--center .eyebrow { justify-content: center; }
.section-heading__action { flex: 0 0 auto; margin-bottom: var(--space-sm); }

.card {
	--card-background: var(--color-white);
	--card-foreground: var(--color-text-dark);
	--card-muted: var(--color-text-muted);
	--card-border: var(--color-border-light);
	position: relative;
	overflow: hidden;
	border: var(--border-width) solid var(--card-border);
	border-radius: var(--border-radius-sm);
	background: var(--card-background);
	color: var(--card-foreground);
}

.section--dark .card,
.section--surface .card,
.card--dark {
	--card-background: var(--color-surface);
	--card-foreground: var(--color-white);
	--card-muted: var(--color-text-secondary);
	--card-border: var(--color-border-dark);
}

.card__body { position: relative; padding: var(--space-xl); }
.card__body::before { position: absolute; top: 0; left: var(--space-xl); width: 2.5rem; height: 2px; background: var(--color-orange); content: ""; }
.card__title { margin-bottom: var(--space-md); color: var(--card-foreground); font-size: var(--font-h4); }
.card__title a { color: inherit; text-decoration: none; }
.card__title a:hover { color: var(--color-orange); }
.card__description { margin-bottom: var(--space-lg); color: var(--card-muted); }
.card__link { margin-top: auto; }
.card__media { overflow: hidden; background: var(--color-surface); }
.card__image { width: 100%; height: 100%; object-fit: cover; transition: transform var(--transition-slow); }
.card:hover .card__image,
.card:focus-within .card__image { transform: scale(1.035); }

.media-frame { position: relative; overflow: hidden; background: var(--color-surface); }
.media-frame--landscape { aspect-ratio: 16 / 10; }
.media-frame--portrait { aspect-ratio: 4 / 5; }
.media-frame--square { aspect-ratio: 1; }
.media-frame__overlay { position: absolute; inset: 0; background: rgb(0 0 0 / 35%); pointer-events: none; }

.elevator-card,
.article-card { display: flex; flex-direction: column; height: 100%; }
.elevator-card .card__body,
.article-card .card__body { display: flex; flex: 1; flex-direction: column; }

.project-card { border-color: var(--color-border-dark); background: var(--color-black); }
.project-card__overlay { position: absolute; inset: 20% 0 0; background: linear-gradient(to bottom, transparent, rgb(9 9 9 / 92%)); pointer-events: none; }
.project-card__content { position: absolute; right: 0; bottom: 0; left: 0; z-index: 1; padding: var(--space-xl); color: var(--color-white); }
.project-card .card__title { margin-bottom: var(--space-xs); color: var(--color-white); }
.project-card__location,
.project-card__metadata { margin-bottom: var(--space-xs); color: var(--color-text-secondary); font-size: var(--font-body-sm); }

.service-card { display: grid; grid-template-columns: auto minmax(0, 1fr); min-height: 18rem; border-top: 2px solid var(--color-orange); }
.service-card__number { padding: var(--space-xl) 0 0 var(--space-xl); color: var(--color-orange); font-family: var(--font-heading); font-size: var(--font-body-sm); font-weight: 700; letter-spacing: 0.1em; }

.article-card__meta { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-sm); margin-bottom: var(--space-md); }
.article-card__date { color: var(--card-muted); font-size: var(--font-caption); letter-spacing: 0.06em; text-transform: uppercase; }

.breadcrumb { padding-block: var(--space-md); font-size: var(--font-body-sm); }
.breadcrumb__list { display: flex; flex-wrap: wrap; gap: var(--space-xs); padding: 0; margin: 0; list-style: none; }
.breadcrumb__item { display: inline-flex; align-items: center; color: var(--section-muted, var(--color-text-muted)); }
.breadcrumb__item:not(:last-child)::after { margin-left: var(--space-xs); color: var(--color-orange); content: "/"; }
.breadcrumb a { color: inherit; text-decoration: none; }
.breadcrumb a:hover { color: var(--color-orange); }

.cta {
	--cta-background: var(--color-black-secondary);
	--cta-foreground: var(--color-white);
	--cta-muted: var(--color-text-secondary);
	position: relative;
	isolation: isolate;
	overflow: hidden;
	padding: var(--space-2xl);
	border: var(--border-width) solid var(--color-border-dark);
	border-radius: var(--border-radius-sm);
	background: var(--cta-background);
	color: var(--cta-foreground);
}

.cta::before { position: absolute; top: 0; left: 0; width: 5rem; height: 3px; background: var(--color-orange); content: ""; }
.cta--light { --cta-background: var(--color-white); --cta-foreground: var(--color-text-dark); --cta-muted: var(--color-text-muted); border-color: var(--color-border-light); }
.cta--image { display: flex; align-items: end; min-height: 28rem; }
.cta__media,
.cta__media::after { position: absolute; inset: 0; z-index: -2; }
.cta__media::after { z-index: 1; background: linear-gradient(90deg, rgb(9 9 9 / 94%), rgb(9 9 9 / 42%)); content: ""; }
.cta__image { width: 100%; height: 100%; object-fit: cover; }
.cta__content { max-width: 48rem; }
.cta__title { margin-bottom: var(--space-md); color: var(--cta-foreground); }
.cta__description { max-width: 40rem; color: var(--cta-muted); font-size: var(--font-body-lg); }
.cta__actions { display: flex; flex-wrap: wrap; gap: var(--space-md); margin-top: var(--space-xl); }

.metric { padding-block: var(--space-xl); border-top: var(--border-width) solid var(--section-border, var(--color-border-light)); }
.metric__number { margin-bottom: var(--space-sm); color: var(--section-foreground, var(--color-text-dark)); font-family: var(--font-heading); font-size: clamp(2.5rem, 5vw, 4.5rem); font-weight: 600; line-height: 1; letter-spacing: -0.04em; }
.metric__suffix { color: var(--color-orange); }
.metric__label { margin-bottom: var(--space-xs); color: var(--section-foreground, var(--color-text-dark)); font-family: var(--font-heading); font-weight: 600; }
.metric__description { margin-bottom: 0; color: var(--section-muted, var(--color-text-muted)); font-size: var(--font-body-sm); }

.engineering-timeline { display: grid; padding: 0; margin: 0; list-style: none; }
.engineering-timeline__item { position: relative; display: grid; grid-template-columns: 3rem minmax(0, 1fr); gap: var(--space-lg); padding-bottom: var(--space-2xl); }
.engineering-timeline__item:not(:last-child)::before { position: absolute; top: 2.5rem; bottom: 0; left: 1.45rem; width: 1px; background: var(--section-border, var(--color-border-light)); content: ""; }
.engineering-timeline__number { position: relative; z-index: 1; display: grid; width: 3rem; height: 3rem; place-items: center; border: var(--border-width) solid var(--color-orange); background: var(--section-background, var(--color-off-white)); color: var(--color-orange); font-family: var(--font-heading); font-size: var(--font-caption); font-weight: 700; }
.engineering-timeline__content { padding-top: var(--space-xs); }
.engineering-timeline__title { margin-bottom: var(--space-xs); font-size: var(--font-h5); }
.engineering-timeline__description { margin-bottom: 0; color: var(--section-muted, var(--color-text-muted)); }

@media (min-width: 48rem) {
	.engineering-timeline { grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: var(--space-xl); }
}

@media (max-width: 64rem) {
	.section-heading { display: block; }
	.section-heading__action { margin-top: var(--space-lg); }
}

@media (max-width: 48rem) {
	.cta { padding: var(--space-xl); }
	.cta--image { min-height: 24rem; }
	.cta__actions { align-items: stretch; flex-direction: column; }
	.cta__actions .button { width: 100%; }
	.service-card { grid-template-columns: 1fr; }
	.service-card__number { padding: var(--space-xl) var(--space-xl) 0; }
}

@media (max-width: 37.5rem) {
	.section-heading--center { text-align: left; }
	.section-heading--center .eyebrow { justify-content: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
	.card:hover .card__image,
	.card:focus-within .card__image { transform: none; }
}