/*
 * Tools4Win front-end theme "Open Desk".
 *
 * A theme layer on top of the precompiled Bootstrap 5 stylesheet - no Sass build
 * needed. Load order: bootstrap.min.css -> front-fonts.css -> front.css.
 * The admin module keeps its own Bootstrap 4 / INSPINIA stylesheets untouched.
 */

/* ==========================================================================
   1. Tokens
   ========================================================================== */

:root,
[data-bs-theme="light"] {
	--t4w-surface: #ffffff;
	--t4w-surface-2: #f7faf9;
	--t4w-mist: #e9f1ee;
	--t4w-ink: #12291f;
	--t4w-ink-2: #4a5f57;
	--t4w-ink-3: #7c8f87;
	--t4w-rule: #d8e4df;
	--t4w-teal: #0e7c66;
	--t4w-teal-hover: #0b6353;
	--t4w-teal-soft: #e4f1ec;
	--t4w-coral: #d9542b;
	--t4w-coral-text: #b8431f;
	--t4w-shadow: 0 14px 30px -22px rgba(18, 41, 31, .6);

	--t4w-sans: "Source Sans 3", system-ui, -apple-system, "Segoe UI", sans-serif;
	--t4w-display: "Bricolage Grotesque", var(--t4w-sans);
	--t4w-mono: "Roboto Mono", ui-monospace, Consolas, monospace;
}

[data-bs-theme="dark"] {
	--t4w-surface: #142720;
	--t4w-surface-2: #173027;
	--t4w-mist: #17332b;
	--t4w-ink: #e6f0eb;
	--t4w-ink-2: #a9c2b8;
	--t4w-ink-3: #7e9a8f;
	--t4w-rule: #254038;
	--t4w-teal: #2fb392;
	--t4w-teal-hover: #46c9a7;
	--t4w-teal-soft: #10281f;
	--t4w-coral: #f0754c;
	--t4w-coral-text: #f0754c;
	--t4w-shadow: 0 14px 30px -22px rgba(0, 0, 0, .8);
}

/* Bootstrap variables driven by the tokens above. */
:root,
[data-bs-theme="light"],
[data-bs-theme="dark"] {
	--bs-body-bg: var(--t4w-surface);
	--bs-body-color: var(--t4w-ink);
	--bs-secondary-color: var(--t4w-ink-2);
	--bs-tertiary-color: var(--t4w-ink-3);
	--bs-border-color: var(--t4w-rule);
	--bs-border-color-translucent: var(--t4w-rule);
	--bs-emphasis-color: var(--t4w-ink);
	--bs-heading-color: var(--t4w-ink);
	--bs-link-color: var(--t4w-teal);
	--bs-link-hover-color: var(--t4w-teal-hover);
	/* Bootstrap paints links from the -rgb variables, so these have to match. */
	--bs-link-color-rgb: 14, 124, 102;
	--bs-link-hover-color-rgb: 11, 99, 83;
	--bs-primary: var(--t4w-teal);
	--bs-primary-rgb: 14, 124, 102;
	--bs-focus-ring-color: rgba(14, 124, 102, .3);
	--bs-focus-ring-width: 3px;
	--bs-font-sans-serif: var(--t4w-sans);
	--bs-font-monospace: var(--t4w-mono);
	--bs-body-font-size: 1.0625rem;
	--bs-body-line-height: 1.6;
}

[data-bs-theme="dark"] {
	--bs-focus-ring-color: rgba(47, 179, 146, .35);
	--bs-link-color-rgb: 47, 179, 146;
	--bs-link-hover-color-rgb: 70, 201, 167;
}

/* ==========================================================================
   2. Base typography
   ========================================================================== */

body {
	-webkit-font-smoothing: antialiased;
	text-rendering: optimizeLegibility;
	/* Keep the footer at the bottom on short pages. */
	min-height: 100vh;
	display: flex;
	flex-direction: column;
}

body > main {
	flex: 1 0 auto;
}

h1, h2, h3, h4, h5, h6, .t4w-display {
	font-family: var(--t4w-display);
	font-weight: 700;
	letter-spacing: -.02em;
	text-wrap: balance;
}

h1, .h1 {
	font-size: clamp(2.1rem, 1.35rem + 2.6vw, 3.1rem);
	line-height: 1.08;
	letter-spacing: -.03em;
}

h2, .h2 {
	font-size: clamp(1.5rem, 1.2rem + 1.1vw, 2rem);
	line-height: 1.15;
}

h3, .h3 { font-size: 1.3rem; }
h4, .h4 { font-size: 1.1rem; }

p { max-width: 68ch; }

hr {
	border-color: var(--t4w-rule);
	opacity: 1;
}

.t4w-lede {
	font-size: 1.15rem;
	line-height: 1.55;
	color: var(--t4w-ink-2);
	max-width: 46ch;
}

.t4w-eyebrow {
	font-family: var(--t4w-mono);
	font-size: .7rem;
	letter-spacing: .14em;
	text-transform: uppercase;
	color: var(--t4w-ink-3);
	margin-bottom: .35rem;
}

.t4w-mono {
	font-family: var(--t4w-mono);
	font-variant-numeric: tabular-nums;
}

/* ==========================================================================
   3. Bootstrap components re-skinned
   ========================================================================== */

.btn {
	--bs-btn-border-radius: 50rem;
	--bs-btn-font-weight: 600;
	--bs-btn-padding-x: 1.3rem;
	--bs-btn-padding-y: .55rem;
}

.btn-primary {
	--bs-btn-color: #fff;
	--bs-btn-bg: var(--t4w-teal);
	--bs-btn-border-color: var(--t4w-teal);
	--bs-btn-hover-color: #fff;
	--bs-btn-hover-bg: var(--t4w-teal-hover);
	--bs-btn-hover-border-color: var(--t4w-teal-hover);
	--bs-btn-active-color: #fff;
	--bs-btn-active-bg: var(--t4w-teal-hover);
	--bs-btn-active-border-color: var(--t4w-teal-hover);
	--bs-btn-disabled-bg: var(--t4w-ink-3);
	--bs-btn-disabled-border-color: var(--t4w-ink-3);
}

[data-bs-theme="dark"] .btn-primary {
	--bs-btn-color: #06211a;
	--bs-btn-hover-color: #06211a;
	--bs-btn-active-color: #06211a;
}

.btn-outline-primary {
	--bs-btn-color: var(--t4w-teal);
	--bs-btn-border-color: var(--t4w-teal);
	--bs-btn-hover-color: #fff;
	--bs-btn-hover-bg: var(--t4w-teal);
	--bs-btn-hover-border-color: var(--t4w-teal);
	--bs-btn-active-color: #fff;
	--bs-btn-active-bg: var(--t4w-teal);
	--bs-btn-active-border-color: var(--t4w-teal);
}

[data-bs-theme="dark"] .btn-outline-primary {
	--bs-btn-hover-color: #06211a;
	--bs-btn-active-color: #06211a;
}

/* Quiet secondary action: text with a coral rule underneath. */
.btn-underline {
	--bs-btn-border-radius: 0;
	--bs-btn-padding-x: 0;
	--bs-btn-padding-y: .2rem;
	--bs-btn-color: var(--t4w-ink);
	--bs-btn-hover-color: var(--t4w-coral-text);
	border: 0;
	border-bottom: 2px solid var(--t4w-coral);
	margin-inline: .6rem;
}

.badge {
	font-family: var(--t4w-mono);
	font-weight: 500;
	letter-spacing: .04em;
}

.text-bg-soft {
	background: var(--t4w-teal-soft);
	color: var(--t4w-teal);
}

.breadcrumb {
	--bs-breadcrumb-font-size: .8rem;
	--bs-breadcrumb-divider-color: var(--t4w-ink-3);
	--bs-breadcrumb-item-active-color: var(--t4w-ink-3);
	--bs-breadcrumb-margin-bottom: 0;
	font-family: var(--t4w-mono);
}

.card {
	--bs-card-bg: var(--t4w-surface);
	--bs-card-border-color: var(--t4w-rule);
	--bs-card-border-radius: .5rem;
	--bs-card-spacer-x: 1.25rem;
	--bs-card-spacer-y: 1.25rem;
}

.alert {
	--bs-alert-border-radius: .5rem;
	border-left-width: 3px;
}

.form-control, .form-select {
	--bs-border-color: var(--t4w-rule);
	background-color: var(--t4w-surface-2);
	padding: .6rem .85rem;
	border-radius: .4rem;
}

.form-control:focus, .form-select:focus {
	border-color: var(--t4w-teal);
	box-shadow: 0 0 0 var(--bs-focus-ring-width) var(--bs-focus-ring-color);
}

.form-label {
	font-weight: 600;
	font-size: .9rem;
	color: var(--t4w-ink-2);
}

.form-check-input:checked {
	background-color: var(--t4w-teal);
	border-color: var(--t4w-teal);
}

.table {
	--bs-table-color: var(--t4w-ink);
	--bs-table-bg: transparent;
	--bs-table-border-color: var(--t4w-rule);
}

/* ==========================================================================
   4. Layout: navigation
   ========================================================================== */

.t4w-nav {
	background: var(--t4w-surface);
	border-bottom: 1px solid var(--t4w-rule);
	padding-block: .55rem;
}

.t4w-nav .navbar-brand {
	font-family: var(--t4w-display);
	font-weight: 700;
	font-size: 1.2rem;
	letter-spacing: -.025em;
	color: var(--t4w-ink);
	display: flex;
	align-items: center;
	gap: .5rem;
}

.t4w-nav .navbar-brand em {
	font-style: normal;
	color: var(--t4w-teal);
}

.t4w-nav .nav-link {
	--bs-nav-link-color: var(--t4w-ink-2);
	--bs-nav-link-hover-color: var(--t4w-ink);
	font-size: .95rem;
	padding-inline: .85rem;
}

.t4w-nav .nav-link.active {
	color: var(--t4w-ink);
	font-weight: 600;
}

/* The underline only reads as a marker once the menu is a horizontal bar. */
@media (min-width: 992px) {
	.t4w-nav .nav-link.active {
		box-shadow: inset 0 -2px 0 var(--t4w-teal);
	}
}

.t4w-nav .dropdown-menu {
	--bs-dropdown-border-color: var(--t4w-rule);
	--bs-dropdown-link-active-bg: var(--t4w-teal-soft);
	--bs-dropdown-link-active-color: var(--t4w-teal);
	--bs-dropdown-border-radius: .5rem;
	box-shadow: var(--t4w-shadow);
}

.t4w-nav .navbar-toggler {
	border-color: var(--t4w-rule);
	padding: .35rem .6rem;
}

.t4w-themetoggle {
	border: 1px solid var(--t4w-rule);
	background: transparent;
	color: var(--t4w-ink-2);
	border-radius: 50rem;
	width: 2.25rem;
	height: 2.25rem;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	line-height: 1;
}

.t4w-themetoggle:hover {
	color: var(--t4w-teal);
	border-color: var(--t4w-teal);
}

/* ==========================================================================
   5. Layout: hero
   ========================================================================== */

.t4w-hero {
	background: var(--t4w-mist);
	border-bottom: 1px solid var(--t4w-rule);
	padding-block: clamp(2.25rem, 6vw, 4rem);
}

.t4w-hero h1 em {
	font-style: normal;
	color: var(--t4w-teal);
}

.t4w-promises {
	display: flex;
	flex-wrap: wrap;
	gap: .35rem 1.5rem;
	margin: 1.2rem 0 0;
	padding: 0;
	list-style: none;
	font-family: var(--t4w-mono);
	font-size: .78rem;
	letter-spacing: .03em;
	color: var(--t4w-ink-2);
}

.t4w-promises li::before {
	content: "·";
	color: var(--t4w-teal);
	font-weight: 700;
	margin-right: .4rem;
}

.t4w-hero__shot {
	background: var(--t4w-surface);
	border: 1px solid var(--t4w-rule);
	border-radius: .5rem;
	padding: .5rem;
	box-shadow: var(--t4w-shadow);
}

.t4w-hero__shot img {
	width: 100%;
	height: auto;
	display: block;
	border-radius: .25rem;
}

.t4w-hero__cap {
	font-family: var(--t4w-mono);
	font-size: .68rem;
	color: var(--t4w-ink-3);
	margin: .45rem .15rem 0;
}

/* ==========================================================================
   6. Layout: sections, page header
   ========================================================================== */

.t4w-pagehead {
	background: var(--t4w-mist);
	border-bottom: 1px solid var(--t4w-rule);
	padding-block: 1.6rem;
}

.t4w-pagehead h1 {
	margin: .35rem 0 0;
	font-size: clamp(1.75rem, 1.3rem + 1.8vw, 2.5rem);
}

.t4w-sec {
	padding-block: clamp(2rem, 5vw, 3.25rem);
}

.t4w-sechd {
	display: flex;
	flex-wrap: wrap;
	gap: .5rem 1.5rem;
	align-items: baseline;
	justify-content: space-between;
	margin-bottom: 1.25rem;
}

.t4w-sechd h2 { margin: 0; }

.t4w-sechd a {
	font-weight: 600;
	font-size: .9rem;
	text-decoration: none;
}

/* ==========================================================================
   7. Tool cards
   ========================================================================== */

.t4w-tool {
	height: 100%;
	display: flex;
	flex-direction: column;
	background: var(--t4w-surface);
	border: 1px solid var(--t4w-rule);
	border-radius: .5rem;
	overflow: hidden;
	transition: transform .16s ease, box-shadow .16s ease;
}

.t4w-tool:hover,
.t4w-tool:focus-within {
	transform: translateY(-2px);
	box-shadow: var(--t4w-shadow);
}

.t4w-tool__pic {
	display: block;
	background: var(--t4w-mist);
	border-bottom: 1px solid var(--t4w-rule);
	aspect-ratio: 600 / 379;
	overflow: hidden;
}

.t4w-tool__pic img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	display: block;
}

.t4w-tool__body {
	padding: .9rem 1rem 1rem;
	display: flex;
	flex-direction: column;
	flex: 1 1 auto;
}

.t4w-tool__body h3 {
	font-size: 1.02rem;
	margin: 0;
}

.t4w-tool__body h3 a {
	color: var(--t4w-ink);
	text-decoration: none;
}

.t4w-tool__body h3 a:hover { color: var(--t4w-teal); }

.t4w-tool__body p {
	font-size: .88rem;
	color: var(--t4w-ink-2);
	margin: .4rem 0 .8rem;
	line-height: 1.5;
}

.t4w-tool__meta {
	margin-top: auto;
	padding-top: .6rem;
	border-top: 1px solid var(--t4w-rule);
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: .75rem;
	font-family: var(--t4w-mono);
	font-size: .7rem;
	color: var(--t4w-ink-3);
}

.t4w-tool__cta {
	color: var(--t4w-teal);
	font-weight: 600;
	white-space: nowrap;
	text-decoration: none;
}

.t4w-tool__cta:hover,
.t4w-tool__cta:focus-visible {
	color: var(--t4w-teal-hover);
	text-decoration: underline;
}

/* ==========================================================================
   8. Tool detail: specs, download, gallery
   ========================================================================== */

.t4w-spec {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(6rem, 1fr));
	gap: .9rem 1.25rem;
	margin: 0;
	padding: .9rem 0;
	border-block: 1px solid var(--t4w-rule);
}

.t4w-spec dt {
	font-family: var(--t4w-mono);
	font-size: .62rem;
	letter-spacing: .12em;
	text-transform: uppercase;
	color: var(--t4w-ink-3);
	font-weight: 500;
}

.t4w-spec dd {
	font-family: var(--t4w-mono);
	font-variant-numeric: tabular-nums;
	font-size: .95rem;
	color: var(--t4w-ink);
	margin: .1rem 0 0;
}

.t4w-download {
	background: var(--t4w-teal-soft);
	border: 1px solid var(--t4w-rule);
	border-radius: .5rem;
	padding: 1.25rem;
	margin-top: 1.25rem;
}

@media (min-width: 992px) {
	.t4w-sticky {
		position: sticky;
		top: 1.5rem;
	}
}

.t4w-download__note {
	font-size: .8rem;
	color: var(--t4w-ink-2);
	margin: .75rem 0 0;
}

.t4w-gallery {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(11rem, 1fr));
	gap: .75rem;
	margin: 0;
	padding: 0;
	list-style: none;
}

.t4w-gallery a {
	display: block;
	border: 1px solid var(--t4w-rule);
	border-radius: .4rem;
	overflow: hidden;
	background: var(--t4w-mist);
	transition: border-color .16s ease;
}

.t4w-gallery a:hover { border-color: var(--t4w-teal); }

.t4w-gallery img {
	width: 100%;
	aspect-ratio: 16 / 10;
	object-fit: cover;
	object-position: top left;
	display: block;
}

.t4w-lightbox .modal-content {
	background: var(--t4w-surface);
	border: 1px solid var(--t4w-rule);
	border-radius: .5rem;
}

.t4w-lightbox img {
	width: 100%;
	height: auto;
	display: block;
	border-radius: .35rem;
}

/* ==========================================================================
   9. Support note, news, table of contents
   ========================================================================== */

.t4w-note {
	background: #12291f;
	color: #e6f0eb;
	border-radius: .5rem;
	padding: 1.5rem;
	display: flex;
	flex-wrap: wrap;
	gap: 1.25rem;
	align-items: center;
	justify-content: space-between;
}

.t4w-note p {
	margin: 0;
	max-width: 58ch;
	line-height: 1.5;
}

.t4w-note .t4w-note__who {
	font-family: var(--t4w-mono);
	font-size: .68rem;
	color: #8fb0a5;
	margin-top: .5rem;
	letter-spacing: .08em;
	text-transform: uppercase;
}

.t4w-note .btn {
	--bs-btn-color: #a8d4c6;
	--bs-btn-border-color: #2f5348;
	--bs-btn-hover-color: #06211a;
	--bs-btn-hover-bg: #a8d4c6;
	--bs-btn-hover-border-color: #a8d4c6;
	white-space: nowrap;
}

.t4w-news {
	list-style: none;
	margin: 0;
	padding: 0;
}

.t4w-news li {
	padding: .85rem 0;
	border-bottom: 1px solid var(--t4w-rule);
	display: grid;
	grid-template-columns: 7rem 1fr;
	gap: .25rem 1.25rem;
}

.t4w-news li:last-child { border-bottom: 0; }

.t4w-news time {
	font-family: var(--t4w-mono);
	font-size: .75rem;
	color: var(--t4w-ink-3);
	padding-top: .2rem;
}

.t4w-news strong { display: block; }

.t4w-news p {
	margin: .2rem 0 0;
	font-size: .9rem;
	color: var(--t4w-ink-2);
}

.t4w-toc {
	background: var(--t4w-surface-2);
	border: 1px solid var(--t4w-rule);
	border-radius: .5rem;
	padding: 1rem 1.25rem;
}

.t4w-toc ul {
	margin: 0;
	padding: 0;
	list-style: none;
	display: flex;
	flex-wrap: wrap;
	gap: .5rem 1.5rem;
	font-size: .9rem;
}

/* ==========================================================================
   10. Prose (HTML coming from the database)
   ========================================================================== */

.t4w-prose {
	max-width: 72ch;
}

.t4w-prose > :first-child { margin-top: 0; }

.t4w-prose h2 { margin: 2rem 0 .75rem; }
.t4w-prose h3 { margin: 1.6rem 0 .6rem; }

.t4w-prose p,
.t4w-prose li {
	color: var(--t4w-ink-2);
	line-height: 1.65;
}

.t4w-prose ul,
.t4w-prose ol { padding-left: 1.2rem; }

.t4w-prose li { margin-bottom: .35rem; }

.t4w-prose img {
	max-width: 100%;
	height: auto;
	border-radius: .4rem;
}

.t4w-prose table {
	width: 100%;
	border-collapse: collapse;
	margin: 1rem 0;
	font-size: .92rem;
}

.t4w-prose th,
.t4w-prose td {
	border: 1px solid var(--t4w-rule);
	padding: .5rem .7rem;
	text-align: left;
	vertical-align: top;
}

.t4w-prose th {
	background: var(--t4w-surface-2);
	font-family: var(--t4w-mono);
	font-size: .78rem;
	letter-spacing: .04em;
}

.t4w-prose--wide {
	max-width: 60rem;
}

.t4w-tablewrap {
	overflow-x: auto;
}

/* --------------------------------------------------------------------------
   10b. Legacy content stored in the database still carries INSPINIA markup
   (.ibox, .vertical-timeline, colour helpers). Map it onto the new look
   instead of rewriting the stored HTML.
   -------------------------------------------------------------------------- */

.t4w-prose .ibox,
.t4w-prose .ibox-content,
.t4w-prose #ibox-content {
	background: transparent;
	border: 0;
	padding: 0;
}

.t4w-prose .row {
	margin-inline: 0;
}

.t4w-prose [class*="col-"] {
	padding-inline: 0;
}

.t4w-prose .vertical-container {
	margin-top: 1.25rem;
	padding-left: 1.5rem;
	border-left: 2px solid var(--t4w-rule);
}

.t4w-prose .vertical-timeline-block {
	position: relative;
	padding-bottom: 1.5rem;
}

.t4w-prose .vertical-timeline-block:last-child {
	padding-bottom: 0;
}

.t4w-prose .vertical-timeline-icon {
	position: absolute;
	left: -2.05rem;
	top: .45rem;
	width: .85rem;
	height: .85rem;
	border-radius: 50%;
	background: var(--t4w-teal);
	border: 2px solid var(--t4w-surface);
}

.t4w-prose .vertical-timeline-icon.gray-bg { background: var(--t4w-ink-3); }
.t4w-prose .vertical-timeline-icon.yellow-bg { background: var(--t4w-coral); }

.t4w-prose .vertical-timeline-content h3 {
	margin: 0 0 .35rem;
	font-size: 1.1rem;
}

.t4w-prose .vertical-date {
	display: inline-block;
	margin-top: .4rem;
	font-family: var(--t4w-mono);
	font-size: .7rem;
	letter-spacing: .06em;
	text-transform: uppercase;
	color: var(--t4w-ink-3);
	border: 1px solid var(--t4w-rule);
	border-radius: 50rem;
	padding: .15rem .6rem;
}

.t4w-prose .vertical-date small {
	font-size: inherit;
}

/* ==========================================================================
   11. Footer
   ========================================================================== */

.t4w-foot {
	background: var(--t4w-surface-2);
	border-top: 1px solid var(--t4w-rule);
	padding-block: 2rem;
	margin-top: 3rem;
	font-size: .88rem;
	color: var(--t4w-ink-2);
}

.t4w-foot h2 {
	font-size: .72rem;
	font-family: var(--t4w-mono);
	font-weight: 500;
	letter-spacing: .14em;
	text-transform: uppercase;
	color: var(--t4w-ink-3);
	margin-bottom: .6rem;
}

.t4w-foot ul {
	list-style: none;
	margin: 0;
	padding: 0;
}

.t4w-foot li { margin-bottom: .3rem; }

.t4w-foot a {
	color: var(--t4w-ink-2);
	text-decoration: none;
}

.t4w-foot a:hover {
	color: var(--t4w-teal);
	text-decoration: underline;
}

.t4w-foot__risk {
	border-top: 1px solid var(--t4w-rule);
	margin-top: 1.5rem;
	padding-top: 1.25rem;
	font-size: .8rem;
	color: var(--t4w-ink-3);
}

.t4w-foot__risk strong { color: var(--t4w-coral-text); }

/* ==========================================================================
   12. Motion
   ========================================================================== */

@media (prefers-reduced-motion: reduce) {
	.t4w-tool,
	.t4w-tool:hover,
	.t4w-tool:focus-within {
		transition: none;
		transform: none;
	}
}