:root {
	--sdl-blue: #183a59;
	--sdl-blue-deep: #10283f;
	--sdl-teal: #2b7a78;
	--sdl-gold: #d2a13a;
	--sdl-ink: #1d252d;
	--sdl-soft: #f3f6f8;
	--sdl-font-sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
	--sdl-font-display: "Playfair Display", Georgia, "Times New Roman", serif;
	--sdl-radius-sm: 6px;
	--sdl-radius-md: 12px;
	--sdl-radius-lg: 16px;
}

html {
	scroll-behavior: smooth;
}

::selection {
	background: rgba(43, 122, 120, .28);
	color: var(--sdl-ink);
}

body,
button,
input,
select,
textarea {
	font-family: var(--sdl-font-sans);
}

body {
	background: #f8fafb;
	color: var(--sdl-ink);
	-webkit-font-smoothing: antialiased;
}

#wrapper {
	background: #fff;
}

.content-wrap {
	padding-top: 0;
}

#header.full-header {
	border-bottom-color: rgba(24, 58, 89, .18);
}

#header-wrap {
	position: relative;
}

.header-wrap-clone {
	display: none;
}

.header-row {
	justify-content: flex-end;
}

.is-expanded-menu .full-header .primary-menu .menu-container {
	border-right: 0;
	margin-right: 0;
	padding-right: 0;
}

.primary-menu .menu-link {
	font-family: var(--sdl-font-sans);
	font-size: 16px;
	font-weight: 600;
	letter-spacing: .01em;
	text-transform: none;
}

.primary-menu .menu-link div {
	align-items: center;
	display: flex;
}

.primary-menu .menu-link i {
	color: var(--sdl-teal);
	font-size: 18px;
}

.primary-menu .menu-link:hover,
.primary-menu .menu-link:hover i {
	color: var(--sdl-gold);
}

.primary-menu .menu-item.current > .menu-link {
	color: var(--sdl-blue);
	font-weight: 800;
}

.primary-menu .menu-item.current > .menu-link > div {
	border-bottom: 3px solid var(--sdl-gold);
	padding-bottom: 4px;
}

.sdl-menu-button {
	background: var(--sdl-blue);
	border: 0;
	border-radius: 6px;
	color: #fff;
	font-family: var(--sdl-font-sans);
	font-size: 16px;
	font-weight: 700;
	letter-spacing: 0;
	line-height: 1;
	padding: 12px 18px;
}

.primary-menu-trigger-active .sdl-menu-button,
.sdl-menu-button:hover {
	background: var(--sdl-gold);
	color: var(--sdl-blue-deep);
}

.sdl-hero {
	align-items: stretch;
	background: #fff;
	color: #fff;
	display: flex;
	margin: 24px auto 0;
	max-width: 1320px;
	min-height: clamp(330px, 48vh, 430px);
	overflow: hidden;
	padding: 0;
	position: relative;
	width: calc(100% - 48px);
}

.sdl-hero-image {
	background: var(--sdl-hero-image) center center / contain no-repeat;
	flex: 0 0 42%;
	min-height: 330px;
	order: 2;
}

.sdl-hero::after {
	content: none;
}

.sdl-hero-content {
	align-items: flex-start;
	background: rgba(16, 40, 63, .9);
	border-right: 4px solid var(--sdl-gold);
	border-radius: var(--sdl-radius-lg);
	display: flex;
	flex: 0 0 58%;
	flex-direction: column;
	justify-content: center;
	order: 1;
	padding: 42px 48px;
}

.sdl-kicker {
	color: var(--sdl-gold);
	font-size: 18px;
	font-weight: 700;
	letter-spacing: 2px;
	margin-bottom: 18px;
	text-transform: uppercase;
}

.sdl-hero h1 {
	color: #fff;
	font-family: var(--sdl-font-display);
	font-size: clamp(40px, 4.6vw, 68px);
	font-weight: 600;
	line-height: 1.05;
	margin-bottom: 16px;
	max-width: 780px;
	text-shadow: 0 2px 18px rgba(0, 0, 0, .45);
}

.sdl-hero p {
	color: rgba(255, 255, 255, .92);
	font-size: clamp(20px, 2.2vw, 28px);
	font-weight: 400;
	line-height: 1.45;
	max-width: 720px;
	text-shadow: 0 2px 12px rgba(0, 0, 0, .34);
}

.sdl-page-title {
	background:
		linear-gradient(90deg, rgba(24, 58, 89, .08), rgba(43, 122, 120, .05) 46%, rgba(210, 161, 58, .08)),
		#fff;
	border-bottom: 1px solid rgba(24, 58, 89, .12);
	color: var(--sdl-blue);
	min-height: 0;
	overflow: hidden;
	padding: 44px 0;
	position: relative;
}

.sdl-page-title::before {
	background: linear-gradient(90deg, var(--sdl-teal), var(--sdl-gold));
	bottom: 0;
	content: "";
	height: 4px;
	left: 0;
	position: absolute;
	width: 42%;
	z-index: 1;
}

.sdl-page-title .container {
	position: relative;
	z-index: 1;
}

.sdl-page-title h1 {
	font-family: var(--sdl-font-display);
	font-size: clamp(32px, 4vw, 52px);
	font-weight: 600;
	line-height: 1.08;
	margin: 0;
	max-width: 840px;
	text-shadow: none;
}

.sdl-section {
	background:
		linear-gradient(180deg, rgba(255, 255, 255, .97), rgba(248, 250, 252, .98)),
		radial-gradient(circle at 1px 1px, rgba(24, 58, 89, .06) 1px, transparent 0);
	background-size: auto, 24px 24px;
	padding: 56px 0;
}

.sdl-home-intro {
	padding: 16px 0 18px;
}

.sdl-feature-band {
	background:
		linear-gradient(120deg, rgba(238, 247, 251, .98), rgba(255, 255, 255, .92)),
		url("../sld_docs/previews/local-power-analysis.png") right center / 540px auto no-repeat;
}

.sdl-section p,
.sdl-section li {
	font-size: 19px;
	line-height: 1.65;
}

.sdl-section h2 {
	font-family: var(--sdl-font-display);
	font-size: 34px;
	font-weight: 600;
	margin-bottom: 22px;
}

.sdl-media-card {
	background: transparent;
	border: 0;
	border-radius: 8px;
	box-shadow: none;
	overflow: hidden;
	padding: 0;
}

.sdl-media-card img {
	border-radius: 8px;
	display: block;
	height: auto;
	width: 100%;
}

.sdl-image-hint {
	color: #666;
	font-size: 15px;
	line-height: 1.4;
}

.sdl-media-title {
	color: var(--sdl-blue);
	font-family: var(--sdl-font-display);
	font-size: 26px;
	font-weight: 600;
	line-height: 1.2;
	margin: 0 0 18px;
}

.sdl-image-caption {
	color: #4b5965;
	font-size: 15px !important;
	font-weight: 600;
	line-height: 1.35 !important;
	margin: 10px 0 24px;
	text-align: center;
}

.sdl-business-highlights {
	margin-bottom: 36px;
}

.sdl-business-highlights .feature-box {
	background: #fff;
	border-color: rgba(24, 58, 89, .16);
	box-shadow: 0 14px 34px rgba(16, 40, 63, .08);
	height: 100%;
	padding: 26px 18px;
}

.sdl-business-highlights .fbox-icon i {
	background-color: #eaf4fb;
	border-color: var(--sdl-blue);
	color: var(--sdl-blue);
}

.sdl-business-highlights .feature-box:hover .fbox-icon i {
	background-color: var(--sdl-blue);
	color: #fff;
}

.sdl-business-highlights .fbox-content h3 {
	color: var(--sdl-blue);
	font-size: 22px;
	margin-bottom: 10px;
}

.sdl-business-highlights .fbox-content p {
	font-size: 16px;
	line-height: 1.45;
	margin-bottom: 0;
}

.sdl-highlight-list {
	display: grid;
	gap: 12px;
	list-style: none;
	margin: 0 0 30px;
	padding: 0;
}

.sdl-side-list {
	background: #fff;
	border: 1px solid rgba(24, 58, 89, .14);
	border-radius: var(--sdl-radius-md);
	box-shadow: 0 18px 40px rgba(16, 40, 63, .08);
	margin-top: 34px;
	padding: 24px;
}

.sdl-side-list-top {
	margin-top: 0;
}

.sdl-side-list h3 {
	color: var(--sdl-blue);
	font-family: Inter, Arial, sans-serif;
	font-size: 22px;
	font-weight: 700;
	line-height: 1.2;
	margin: 0 0 18px;
}

.sdl-highlight-list li {
	align-items: center;
	background: #eaf4fb;
	border-radius: 6px;
	border: 0;
	color: #252b31;
	display: flex;
	font-family: Inter, Arial, sans-serif;
	font-size: 15px !important;
	line-height: 1.45 !important;
	list-style: none !important;
	margin: 0;
	min-height: 0;
	padding: 13px 14px;
}

.sdl-highlight-list li::marker {
	content: "";
}

.sdl-highlight-list li::before {
	content: none !important;
}

.sdl-highlight-list li:nth-child(even) {
	background: #eaf4fb;
	border: 0;
}

.sdl-highlight-list li:last-child {
	margin-bottom: 0;
}

.sdl-highlight-list i {
	align-items: center;
	background: #1777bb;
	border-radius: 50%;
	color: #fff;
	display: inline-flex;
	flex: 0 0 auto;
	font-size: 15px;
	height: 24px;
	justify-content: center;
	margin-right: 12px;
	width: 24px;
}

.sdl-highlight-list span {
	display: block;
	font-weight: 600;
}

.sdl-doc-list {
	display: grid;
	gap: 14px;
	list-style: none;
	margin: 0;
	padding: 0;
}

.sdl-doc-list a {
	border: 1px solid #d9dee3;
	color: #1d3557;
	display: block;
	font-size: 18px;
	padding: 14px 16px;
	text-decoration: none;
}

.sdl-doc-list a:hover {
	background: #f7f9fb;
}

.sdl-team-section {
	background: #fff;
}

.sdl-team-intro {
	color: var(--sdl-blue);
	font-size: clamp(20px, 2.1vw, 28px);
	font-weight: 600;
	line-height: 1.35;
	margin: 0 0 34px;
	max-width: 900px;
}

.sdl-team-grid {
	align-items: stretch;
}

.sdl-team-member {
	background: #f8fafb;
	border: 1px solid rgba(24, 58, 89, .12);
	border-radius: var(--sdl-radius-md);
	height: 100%;
	margin: 0;
	padding: 16px;
}

.sdl-team-member .team-image img,
.sdl-team-placeholder {
	aspect-ratio: 1 / 1;
	object-fit: cover;
	width: 100%;
}

.sdl-team-member .team-image img {
	display: block;
}

.sdl-team-placeholder {
	align-items: center;
	background: linear-gradient(135deg, var(--sdl-blue), var(--sdl-teal));
	color: #fff;
	display: flex;
	font-size: 42px;
	font-weight: 700;
	justify-content: center;
	min-height: 180px;
}

.sdl-team-member .team-title h4 {
	color: var(--sdl-blue);
	font-family: var(--sdl-font-display);
	font-size: 25px;
	font-weight: 600;
	margin-bottom: 6px;
}

.sdl-team-member .team-title span {
	color: var(--sdl-teal);
	font-size: 14px;
	font-weight: 700;
	line-height: 1.35;
	text-transform: none;
}

.sdl-team-member .team-content p {
	font-size: 16px;
	line-height: 1.55;
	margin: 14px 0 0;
}

.sdl-research-accordion .accordion-item {
	border: 1px solid rgba(24, 58, 89, .18);
	box-shadow: 0 12px 30px rgba(16, 40, 63, .06);
	margin-bottom: 14px;
}

.sdl-research-accordion .accordion-button {
	background: #fff;
	color: var(--sdl-blue);
	font-family: var(--sdl-font-sans);
	font-size: 19px;
	font-weight: 600;
	line-height: 1.35;
	scroll-margin-top: 110px;
}

.sdl-research-accordion .accordion-button:not(.collapsed) {
	background: linear-gradient(90deg, rgba(43, 122, 120, .12), rgba(210, 161, 58, .12));
	box-shadow: none;
	color: var(--sdl-blue-deep);
}

.sdl-research-accordion .accordion-body {
	padding: 24px;
}

.sdl-research-preview {
	background: linear-gradient(135deg, #fff, #f4f7f9);
	border: 1px solid rgba(24, 58, 89, .16);
	padding: 10px;
}

.sdl-research-preview img {
	display: block;
	height: auto;
	width: 100%;
}

.sdl-card-grid {
	display: grid;
	gap: 24px;
	grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.sdl-card {
	background:
		linear-gradient(180deg, rgba(255, 255, 255, .96), rgba(255, 255, 255, .9)),
		url("../sdl-media/refit-diagram-1.png") center center / cover no-repeat;
	border: 1px solid rgba(24, 58, 89, .14);
	border-radius: var(--sdl-radius-lg);
	box-shadow: 0 16px 36px rgba(16, 40, 63, .08);
	padding: 28px 24px;
	transition: transform .22s ease, box-shadow .22s ease;
}

.sdl-card:hover {
	box-shadow: 0 22px 46px rgba(16, 40, 63, .13);
	transform: translateY(-3px);
}

.sdl-card-icon {
	align-items: center;
	background: linear-gradient(135deg, var(--sdl-teal), var(--sdl-blue));
	border-radius: var(--sdl-radius-sm);
	color: #fff;
	display: inline-flex;
	font-size: 28px;
	height: 52px;
	justify-content: center;
	margin-bottom: 18px;
	width: 52px;
}

.sdl-card h3 {
	color: var(--sdl-blue);
	font-family: var(--sdl-font-display);
	font-size: 22px;
	font-weight: 600;
	margin-bottom: 12px;
}

.sdl-stat-strip {
	background:
		linear-gradient(135deg, rgba(16, 40, 63, .97), rgba(24, 58, 89, .92)),
		url("../sdl-media/refit-diagram-1.png") center center / cover no-repeat;
	border-radius: var(--sdl-radius-md);
	box-shadow: 0 12px 26px rgba(16, 40, 63, .12);
	color: #fff;
	display: grid;
	gap: 1px;
	grid-template-columns: repeat(4, minmax(0, 1fr));
	margin-bottom: 0;
	overflow: hidden;
}

.sdl-stat-strip div {
	background: rgba(255, 255, 255, .08);
	padding: 16px 18px;
}

.sdl-stat-strip strong {
	color: var(--sdl-gold);
	display: block;
	font-size: clamp(24px, 3vw, 36px);
	line-height: 1;
	margin-bottom: 7px;
}

.sdl-stat-strip span {
	display: block;
	font-size: 15px;
	font-weight: 600;
	line-height: 1.28;
	opacity: .92;
}

.sdl-card a,
.sdl-section a:not(.button) {
	color: var(--sdl-teal);
	font-weight: 700;
}

.button.button-dark {
	background-color: var(--sdl-blue);
}

.sdl-enquiry-panel {
	background: #fff;
	border: 1px solid rgba(24, 58, 89, .14);
	border-radius: var(--sdl-radius-md);
	box-shadow: 0 18px 42px rgba(16, 40, 63, .08);
	margin-top: 28px;
	padding: 32px;
	scroll-margin-top: 24px;
}

.sdl-enquiry-panel h2 {
	color: var(--sdl-blue);
	margin-bottom: 14px;
}

.sdl-form-note {
	color: #5f6b76;
	font-size: 16px !important;
	line-height: 1.5 !important;
}

.sdl-enquiry-form label {
	color: var(--sdl-blue);
	display: block;
	font-size: 15px;
	font-weight: 700;
	margin-bottom: 7px;
}

.sdl-enquiry-form input:not([type="checkbox"]),
.sdl-enquiry-form select,
.sdl-enquiry-form textarea {
	background: #f8fafb;
	border: 1px solid rgba(24, 58, 89, .18);
	border-radius: 6px;
	color: var(--sdl-ink);
	font-family: var(--sdl-font-sans);
	font-size: 16px;
	margin-bottom: 16px;
	padding: 12px 13px;
	width: 100%;
}

.sdl-enquiry-form input:focus,
.sdl-enquiry-form select:focus,
.sdl-enquiry-form textarea:focus {
	background: #fff;
	border-color: var(--sdl-teal);
	box-shadow: 0 0 0 3px rgba(43, 122, 120, .14);
	outline: 0;
}

.sdl-checkbox-label {
	align-items: flex-start;
	display: flex !important;
	gap: 10px;
	margin-top: 4px;
}

.sdl-checkbox-label input {
	margin-top: 5px;
}

.sdl-enquiry-form .errorlist {
	color: #9f2525;
	font-size: 14px;
	list-style: none;
	margin: -10px 0 14px;
	padding: 0;
}

.sdl-contact-band {
	background:
		radial-gradient(circle at 10% 20%, rgba(210, 161, 58, .20), transparent 24%),
		linear-gradient(135deg, var(--sdl-blue-deep), var(--sdl-blue) 60%, var(--sdl-teal));
	color: #fff;
	padding: 46px 0;
}

.sdl-contact-band .sdl-kicker {
	margin-bottom: 10px;
}

.sdl-contact-band h2 {
	color: #fff;
	font-family: var(--sdl-font-display);
	font-size: 34px;
	font-weight: 600;
	margin-bottom: 10px;
}

.sdl-contact-band p {
	font-size: 19px;
	line-height: 1.5;
	margin: 0;
	max-width: 780px;
}

#footer.dark,
#copyrights {
	background: var(--sdl-blue-deep);
}

#copyrights a {
	color: var(--sdl-gold);
	font-weight: 600;
	text-decoration: none;
	transition: color .15s ease, opacity .15s ease;
}

#copyrights a:hover {
	color: #e4b84d;
	text-decoration: underline;
}

.primary-menu .menu-link:focus-visible {
	border-radius: 4px;
	outline: 2px solid var(--sdl-gold);
	outline-offset: 3px;
}

#gotoTop {
	background: var(--sdl-teal);
	color: #fff;
	transition: background .2s ease, transform .2s ease;
}

#gotoTop:hover {
	background: var(--sdl-gold);
	color: var(--sdl-blue-deep);
}

@media (max-width: 991.98px) {
	.primary-menu .menu-link {
		font-size: 16px;
	}

		.sdl-hero {
			background: #fff;
			display: flex;
			flex-direction: column;
			margin-top: 18px;
			width: 100%;
			min-height: 0;
		}

	.sdl-hero-image {
		background-position: center center;
		background-size: contain;
		flex: none;
		height: auto;
		min-height: 280px;
		order: 1;
	}

	.sdl-hero::after {
		content: none;
	}

	.sdl-hero-content {
		background: rgba(16, 40, 63, .94);
		border-right: 0;
		border-left: 0;
		flex: none;
		order: 1;
		padding: 24px;
	}

	.sdl-kicker {
		color: var(--sdl-gold);
		font-size: 15px;
		margin-bottom: 10px;
	}

	.sdl-hero h1 {
		color: #fff;
		font-size: clamp(30px, 9vw, 42px);
		margin-bottom: 14px;
	}

	.sdl-hero p {
		color: #fff;
		font-size: 18px;
		margin: 0;
		max-width: none;
	}

	.sdl-stat-strip {
		grid-template-columns: repeat(2, minmax(0, 1fr));
	}
}

@media (max-width: 575.98px) {
	.primary-menu .menu-link i {
		font-size: 18px;
	}

	.sdl-hero-image {
		background-position: center center;
		background-size: contain;
		min-height: 230px;
	}

	.sdl-hero-content {
		padding: 24px 18px 20px;
	}

	.sdl-stat-strip {
		grid-template-columns: 1fr;
	}
}
