/*
 * V0.08 Industries and Contractor Partnerships pages.
 *
 * Uses the locked Terra Tech palette, adapted triadic hierarchy, typography,
 * conversion rules, and reusable inner-page system.
 */

.business-intro__layout,
.project-brief-section__layout {
	display: grid;
	grid-template-columns: minmax(0, 0.84fr) minmax(0, 1.16fr);
	gap: clamp(2rem, 6vw, 6rem);
	align-items: start;
}

.business-intro__copy {
	display: grid;
	gap: 1rem;
	padding-left: clamp(1.25rem, 4vw, 3rem);
	border-left: 1px solid var(--tt-border);
}

.business-intro__copy p {
	margin: 0;
	color: var(--tt-ink-600);
	font-size: 1.03rem;
	line-height: 1.78;
}

/* Interactive industries / stages tabs */
.business-tabs {
	display: grid;
	grid-template-columns: minmax(14rem, 0.38fr) minmax(0, 1fr);
	gap: clamp(1.25rem, 4vw, 3rem);
	margin-top: clamp(2rem, 5vw, 3.5rem);
}

.business-tabs__list {
	display: grid;
	align-content: start;
	gap: 0.55rem;
}

.business-tabs__button {
	display: grid;
	grid-template-columns: 2rem minmax(0, 1fr);
	gap: 0.75rem;
	align-items: center;
	min-height: 3.75rem;
	padding: 0.85rem 1rem;
	border: 1px solid var(--tt-border);
	border-radius: 0.75rem;
	background: var(--tt-white);
	color: var(--tt-navy-950);
	font-weight: 700;
	text-align: left;
	transition:
		transform var(--tt-fast) var(--tt-ease),
		border-color var(--tt-fast) ease,
		background var(--tt-fast) ease,
		box-shadow var(--tt-fast) ease;
}

.business-tabs__button span {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 2rem;
	height: 2rem;
	border-radius: 999px;
	background: var(--tt-surface-100);
	color: var(--tt-blue-600);
	font-family: var(--tt-font-heading);
	font-size: 1rem;
	line-height: 1;
}

.business-tabs__button:hover,
.business-tabs__button:focus-visible {
	border-color: rgba(11, 99, 182, 0.42);
	transform: translateX(3px);
}

.business-tabs__button.is-active {
	border-color: rgba(211, 154, 53, 0.55);
	background: var(--tt-navy-950);
	box-shadow: var(--tt-shadow-sm);
	color: var(--tt-white);
}

.business-tabs__button.is-active span {
	background: var(--tt-gold-500);
	color: var(--tt-navy-950);
}

.business-tabs__panels {
	min-width: 0;
}

.business-tabs__panel {
	position: relative;
	padding: clamp(1.5rem, 4vw, 2.5rem);
	border: 1px solid var(--tt-border);
	border-radius: 1.15rem;
	background:
		radial-gradient(circle at top right, rgba(11, 99, 182, 0.08), transparent 30%),
		var(--tt-white);
	box-shadow: var(--tt-shadow-sm);
	overflow: hidden;
}

.business-tabs__panel::before {
	position: absolute;
	top: 0;
	right: 0;
	left: 0;
	height: 4px;
	background: var(--tt-gradient-gold);
	content: "";
}

.business-tabs__panel[hidden] {
	display: none;
}

.business-tabs__panel.is-entering {
	animation: tt-business-panel-in 420ms var(--tt-ease) both;
}

.business-tabs__panel-heading {
	display: flex;
	gap: 1rem;
	align-items: center;
}

.business-tabs__icon,
.partnership-stage-panel__icon {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 4.25rem;
	height: 4.25rem;
	flex: 0 0 4.25rem;
	border-radius: 1rem;
	background: var(--tt-gradient-navy);
	box-shadow: 0 14px 34px rgba(6, 20, 47, 0.2);
}

.business-tabs__icon svg,
.partnership-stage-panel__icon svg {
	width: 2rem;
	height: 2rem;
	stroke: var(--tt-gold-200);
	stroke-width: 1.55;
	fill: none;
}

.business-tabs__panel-heading .eyebrow {
	margin: 0 0 0.35rem;
	font-size: 0.77rem;
}

.business-tabs__panel-heading h3 {
	margin: 0;
	font-size: clamp(1.82rem, 3.64vw, 2.73rem);
	line-height: 0.96;
}

.business-tabs__panel-grid {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: 1rem;
	margin-top: 1.5rem;
}

.business-tabs__challenge,
.business-tabs__solutions {
	padding: 1.25rem;
	border-radius: 0.9rem;
	background: var(--tt-surface-100);
}

.business-tabs__challenge > span,
.business-tabs__solutions > span {
	display: block;
	margin-bottom: 0.65rem;
	color: var(--tt-gold-700);
	font-size: 0.75rem;
	font-weight: 700;
	letter-spacing: 0.09em;
	text-transform: uppercase;
}

.business-tabs__challenge p,
.business-tabs__outcome p,
.business-tabs__solutions li {
	color: var(--tt-ink-600);
	line-height: 1.68;
}

.business-tabs__challenge p,
.business-tabs__outcome p {
	margin: 0;
}

.business-tabs__solutions ul,
.partnership-stage-panel__points,
.partnership-fit__columns ul {
	display: grid;
	gap: 0.65rem;
	padding: 0;
	margin: 0;
	list-style: none;
}

.business-tabs__solutions li,
.partnership-stage-panel__points li,
.partnership-fit__columns li {
	display: flex;
	gap: 0.65rem;
	align-items: flex-start;
}

.business-tabs__solutions li svg,
.partnership-stage-panel__points li svg,
.partnership-fit__columns li svg {
	width: 1rem;
	height: 1rem;
	flex: 0 0 1rem;
	margin-top: 0.28rem;
	stroke: var(--tt-blue-600);
	stroke-width: 2;
	fill: none;
}

.business-tabs__outcome {
	display: grid;
	grid-template-columns: auto minmax(0, 1fr) auto;
	gap: 0.75rem 1rem;
	align-items: center;
	margin-top: 1rem;
	padding: 1rem 1.1rem;
	border: 1px solid rgba(11, 99, 182, 0.16);
	border-radius: 0.9rem;
	background: rgba(11, 99, 182, 0.045);
}

.business-tabs__outcome strong {
	color: var(--tt-navy-950);
	font-family: var(--tt-font-heading);
	font-size: 1.1rem;
}

/* Industry overview cards */
.industry-grid-section .section-heading {
	margin-bottom: 2rem;
}

.industry-summary-grid,
.partner-type-grid {
	display: grid;
	grid-template-columns: repeat(3, minmax(0, 1fr));
	gap: 1rem;
}

.industry-summary-card,
.partner-type-card {
	position: relative;
	min-height: 17rem;
	padding: 1.35rem;
	border: 1px solid var(--tt-border);
	border-radius: 1rem;
	background: var(--tt-white);
	box-shadow: 0 10px 30px rgba(6, 20, 47, 0.055);
	overflow: hidden;
	transition:
		transform var(--tt-medium) var(--tt-ease),
		box-shadow var(--tt-medium) var(--tt-ease),
		border-color var(--tt-medium) ease;
}

.industry-summary-card::before,
.partner-type-card::before {
	position: absolute;
	top: 0;
	right: 0;
	left: 0;
	height: 3px;
	background: linear-gradient(90deg, var(--tt-blue-600), var(--tt-gold-500));
	content: "";
	transform: scaleX(0.2);
	transform-origin: left;
	transition: transform var(--tt-medium) var(--tt-ease);
}

.industry-summary-card:hover,
.industry-summary-card:focus-within,
.partner-type-card:hover,
.partner-type-card:focus-within {
	border-color: rgba(11, 99, 182, 0.25);
	box-shadow: var(--tt-shadow-md);
	transform: translateY(-6px);
}

.industry-summary-card:hover::before,
.industry-summary-card:focus-within::before,
.partner-type-card:hover::before,
.partner-type-card:focus-within::before {
	transform: scaleX(1);
}

.industry-summary-card__icon,
.partner-type-card > span {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 3.2rem;
	height: 3.2rem;
	border-radius: 0.8rem;
	background: var(--tt-navy-950);
}

.industry-summary-card__icon svg,
.partner-type-card > span svg {
	width: 1.55rem;
	height: 1.55rem;
	stroke: var(--tt-gold-200);
	stroke-width: 1.6;
	fill: none;
}

.industry-summary-card__number {
	position: absolute;
	top: 1.2rem;
	right: 1.25rem;
	color: rgba(11, 44, 96, 0.18);
	font-family: var(--tt-font-heading);
	font-size: 2.2rem;
	font-weight: 700;
}

.industry-summary-card h3,
.partner-type-card h3 {
	margin: 1.25rem 0 0.55rem;
	font-size: 1.617rem;
	line-height: 1.02;
}

.industry-summary-card p,
.partner-type-card p {
	margin: 0;
	color: var(--tt-ink-600);
	line-height: 1.68;
}

/* Dark coordination section */
.industry-coordination,
.partnership-fit {
	position: relative;
	padding-block: var(--tt-section-space);
	background:
		radial-gradient(circle at 82% 18%, rgba(11, 99, 182, 0.22), transparent 28%),
		radial-gradient(circle at 12% 78%, rgba(211, 154, 53, 0.13), transparent 24%),
		var(--tt-gradient-navy);
	color: var(--tt-white);
	overflow: hidden;
}

.industry-coordination::before,
.partnership-fit::before {
	position: absolute;
	inset: 0;
	opacity: 0.08;
	background-image:
		linear-gradient(rgba(255, 255, 255, 0.22) 1px, transparent 1px),
		linear-gradient(90deg, rgba(255, 255, 255, 0.22) 1px, transparent 1px);
	background-size: 80px 80px;
	content: "";
}

.industry-coordination__layout,
.partnership-fit__layout {
	position: relative;
	display: grid;
	grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
	gap: clamp(2rem, 6vw, 6rem);
	align-items: start;
}

.industry-coordination__content h2,
.partnership-fit__content h2 {
	margin-top: 0.55rem;
	color: var(--tt-white);
	font-size: clamp(2.314rem, 4.45vw, 3.738rem);
	line-height: 0.98;
}

.industry-coordination__content > p:not(.eyebrow),
.partnership-fit__content > p:not(.eyebrow) {
	max-width: 60ch;
	color: rgba(255, 255, 255, 0.76);
	line-height: 1.72;
}

.coordination-steps {
	display: grid;
	gap: 0;
	padding: 0;
	margin: 0;
	list-style: none;
	border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.coordination-steps li {
	display: grid;
	grid-template-columns: 3rem minmax(0, 1fr);
	gap: 1rem;
	padding: 1.25rem 0;
	border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}

.coordination-steps > li > span {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 2.4rem;
	height: 2.4rem;
	border-radius: 999px;
	background: var(--tt-gold-500);
	color: var(--tt-navy-950);
	font-family: var(--tt-font-heading);
	font-weight: 700;
}

.coordination-steps h3 {
	margin: 0;
	color: var(--tt-white);
	font-size: 1.421rem;
}

.coordination-steps p {
	margin: 0.35rem 0 0;
	color: rgba(255, 255, 255, 0.7);
	line-height: 1.6;
}

/* Partner type and stage layouts */
.partner-types-section .section-heading {
	margin-bottom: 2rem;
}

.business-tabs--stages {
	margin-top: 2rem;
}

.partnership-stage-panel {
	display: grid;
	grid-template-columns: auto minmax(0, 1fr) minmax(13rem, 0.55fr);
	gap: 1.5rem;
	align-items: center;
}

.partnership-stage-panel__content .eyebrow {
	margin-bottom: 0.45rem;
}

.partnership-stage-panel__content h3 {
	margin: 0;
	font-size: clamp(1.82rem, 3.64vw, 2.912rem);
	line-height: 0.98;
}

.partnership-stage-panel__content > p:not(.eyebrow) {
	margin: 0.85rem 0 0;
	color: var(--tt-ink-600);
	line-height: 1.72;
}

.partnership-stage-panel__points {
	padding: 1.1rem;
	border-radius: 0.9rem;
	background: var(--tt-surface-100);
}

.partnership-stage-panel__points li {
	color: var(--tt-ink-600);
	line-height: 1.5;
}

.partnership-fit__columns {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: 1rem;
}

.partnership-fit__columns > div {
	padding: 1.35rem;
	border: 1px solid rgba(255, 255, 255, 0.15);
	border-radius: 1rem;
	background: rgba(255, 255, 255, 0.07);
	backdrop-filter: blur(12px);
}

.partnership-fit__columns h3 {
	margin: 0 0 1rem;
	color: var(--tt-white);
	font-size: 1.666rem;
}

.partnership-fit__columns li {
	color: rgba(255, 255, 255, 0.78);
	line-height: 1.5;
}

.partnership-fit__columns li svg {
	stroke: var(--tt-gold-200);
}

/* Project brief */
.project-brief-section__layout {
	align-items: center;
}

.project-brief-card {
	padding: clamp(1.35rem, 3vw, 2rem);
	border: 1px solid var(--tt-border);
	border-radius: 1.1rem;
	background: var(--tt-surface-100);
	box-shadow: var(--tt-shadow-sm);
}

.project-brief-card ul {
	display: grid;
	gap: 0;
	padding: 0;
	margin: 0 0 1.25rem;
	list-style: none;
}

.project-brief-card li {
	display: grid;
	grid-template-columns: 2.5rem minmax(0, 1fr);
	gap: 0.8rem;
	align-items: center;
	padding: 0.95rem 0;
	border-bottom: 1px solid var(--tt-border);
}

.project-brief-card li > span {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 2.25rem;
	height: 2.25rem;
	border-radius: 999px;
	background: var(--tt-navy-950);
	color: var(--tt-gold-200);
	font-family: var(--tt-font-heading);
	font-weight: 700;
}

.project-brief-card li div {
	display: grid;
	gap: 0.12rem;
}

.project-brief-card strong {
	color: var(--tt-navy-950);
}

.project-brief-card small {
	color: var(--tt-ink-600);
	line-height: 1.4;
}

/* Scoped business FAQ, deliberately isolated from homepage FAQ. */
.business-faq__layout {
	display: grid;
	grid-template-columns: minmax(0, 0.75fr) minmax(0, 1.25fr);
	gap: clamp(2rem, 6vw, 5rem);
	align-items: start;
}

.business-faq__list {
	display: grid;
	gap: 0.75rem;
}

.business-faq__item {
	border: 1px solid var(--tt-border);
	border-radius: 0.9rem;
	background: var(--tt-white);
	overflow: hidden;
}

.business-faq__item summary {
	display: flex;
	gap: 1rem;
	align-items: center;
	justify-content: space-between;
	min-height: 4.5rem;
	padding: 1rem 1.2rem;
	color: var(--tt-navy-950);
	font-family: var(--tt-font-heading);
	font-size: 1.25rem;
	font-weight: 600;
	line-height: 1.2;
	cursor: pointer;
	list-style: none;
}

.business-faq__item summary::-webkit-details-marker {
	display: none;
}

.business-faq__item summary i {
	position: relative;
	width: 2.1rem;
	height: 2.1rem;
	flex: 0 0 2.1rem;
	border: 1px solid var(--tt-border);
	border-radius: 999px;
	background: var(--tt-surface-100);
}

.business-faq__item summary i::before,
.business-faq__item summary i::after {
	position: absolute;
	top: 50%;
	left: 50%;
	width: 0.75rem;
	height: 2px;
	background: var(--tt-navy-950);
	content: "";
	transform: translate(-50%, -50%);
	transition: transform var(--tt-fast) var(--tt-ease);
}

.business-faq__item summary i::after {
	transform: translate(-50%, -50%) rotate(90deg);
}

.business-faq__item[open] summary i {
	border-color: var(--tt-gold-500);
	background: var(--tt-gold-500);
}

.business-faq__item[open] summary i::after {
	transform: translate(-50%, -50%);
}

.business-faq__answer {
	padding: 0 1.2rem 1.2rem;
}

.business-faq__answer p {
	margin: 0;
	color: var(--tt-ink-600);
	line-height: 1.68;
}

@keyframes tt-business-panel-in {
	from {
		opacity: 0;
		transform: translateY(12px);
	}
	to {
		opacity: 1;
		transform: translateY(0);
	}
}

@media (max-width: 1080px) {
	.business-tabs,
	.industry-coordination__layout,
	.partnership-fit__layout,
	.business-faq__layout {
		grid-template-columns: 1fr;
	}

	.business-tabs__list {
		grid-template-columns: repeat(3, minmax(0, 1fr));
	}

	.industry-summary-grid,
	.partner-type-grid {
		grid-template-columns: repeat(2, minmax(0, 1fr));
	}

	.partnership-stage-panel {
		grid-template-columns: auto minmax(0, 1fr);
	}

	.partnership-stage-panel__points {
		grid-column: 1 / -1;
	}
}

@media (max-width: 782px) {
	.business-intro__layout,
	.project-brief-section__layout,
	.business-tabs__panel-grid,
	.partnership-fit__columns {
		grid-template-columns: 1fr;
	}

	.business-intro__copy {
		padding-left: 0;
		border-left: 0;
	}

	.business-tabs__list {
		display: flex;
		gap: 0.6rem;
		overflow-x: auto;
		padding-bottom: 0.5rem;
		scrollbar-width: thin;
		scroll-snap-type: x proximity;
	}

	.business-tabs__button {
		min-width: 12.5rem;
		scroll-snap-align: start;
	}

	.business-tabs__outcome {
		grid-template-columns: 1fr;
	}

	.industry-summary-grid,
	.partner-type-grid {
		grid-template-columns: 1fr;
	}

	.industry-summary-card,
	.partner-type-card {
		min-height: 0;
	}
}

@media (max-width: 640px) {
	.business-tabs__panel-heading,
	.partnership-stage-panel {
		grid-template-columns: 1fr;
		align-items: start;
	}

	.business-tabs__panel-heading {
		flex-direction: column;
		align-items: flex-start;
	}

	.business-tabs__icon,
	.partnership-stage-panel__icon {
		width: 3.7rem;
		height: 3.7rem;
		flex-basis: 3.7rem;
	}

	.business-tabs__button {
		min-height: 3.4rem;
	}
}

@media (prefers-reduced-motion: reduce) {
	.business-tabs__button,
	.business-tabs__panel,
	.industry-summary-card,
	.partner-type-card,
	.industry-summary-card::before,
	.partner-type-card::before,
	.business-faq__item summary i::after {
		animation: none !important;
		transition: none !important;
	}
}