/* ─── EFUTURES DATA ENGINEERING PAGE ─── */

.de-page {
	--de-bg: #0b0b0b;
	--de-bg-2: #111111;
	--de-card: rgba(255, 255, 255, 0.03);
	--de-text: #f5f0ea;
	--de-muted: #9a9a9a;
	--de-gold: #b8943f;
	--de-gold-light: #dfbf78;
	--de-gold-dim: rgba(184, 148, 63, 0.14);
	--de-border: rgba(184, 148, 63, 0.18);
	--de-border-soft: rgba(255, 255, 255, 0.08);
	--de-shadow: 0 24px 80px rgba(0, 0, 0, 0.45);
	--de-radius: 20px;

	background:
		radial-gradient(circle at top left, rgba(184, 148, 63, 0.12), transparent 34%),
		radial-gradient(circle at top right, rgba(184, 148, 63, 0.06), transparent 36%),
		linear-gradient(180deg, var(--de-bg), #050505 72%);
	color: var(--de-text);
	line-height: 1.55;
}

.de-page a {
	color: inherit;
	text-decoration: none;
}

.de-container {
	max-width: 1180px;
	margin: 0 auto;
	padding: 0 2rem;
}

/* ─── SUB-NAV ─── */
.de-subnav {
	position: sticky;
	top: 0;
	z-index: 40;
	backdrop-filter: blur(18px);
	-webkit-backdrop-filter: blur(18px);
	background: rgba(11, 11, 11, 0.9);
	border-bottom: 1px solid var(--de-border-soft);
}

.de-subnav-inner {
	max-width: 1180px;
	margin: 0 auto;
	padding: 0.85rem 2rem;
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 1.25rem;
}

.de-subnav-brand {
	display: flex;
	align-items: center;
	gap: 0.65rem;
	font-family: 'IBM Plex Mono', monospace;
	font-size: 0.68rem;
	font-weight: 600;
	letter-spacing: 0.08em;
	text-transform: uppercase;
	color: var(--de-gold);
}

.de-subnav-mark {
	width: 32px;
	height: 32px;
	border-radius: 10px;
	background: linear-gradient(135deg, var(--de-gold-light), var(--de-gold));
	color: #0b0b0b;
	display: grid;
	place-items: center;
	font-weight: 800;
	font-size: 0.85rem;
	box-shadow: 0 0 24px rgba(184, 148, 63, 0.25);
}

.de-subnav-links {
	display: flex;
	flex-wrap: wrap;
	gap: 1rem;
	justify-content: flex-end;
	font-family: 'IBM Plex Mono', monospace;
	font-size: 0.62rem;
	letter-spacing: 0.06em;
	text-transform: uppercase;
	color: var(--de-muted);
}

.de-subnav-links a:hover,
.de-subnav-links a:focus-visible {
	color: var(--de-gold-light);
	outline: none;
}

/* ─── HERO ─── */
.de-hero {
	padding: 4.5rem 0 3.25rem;
	position: relative;
	overflow: hidden;
}

.de-hero-grid {
	display: grid;
	grid-template-columns: 1.05fr 0.95fr;
	gap: 2.25rem;
	align-items: center;
}

.de-eyebrow {
	display: inline-flex;
	gap: 0.5rem;
	align-items: center;
	padding: 0.45rem 0.85rem;
	border: 1px solid var(--de-border);
	border-radius: 999px;
	color: var(--de-gold-light);
	background: var(--de-gold-dim);
	font-family: 'IBM Plex Mono', monospace;
	font-size: 0.62rem;
	font-weight: 600;
	letter-spacing: 0.08em;
	text-transform: uppercase;
}

.de-hero h1 {
	font-family: 'Playfair Display', serif;
	font-size: clamp(2.4rem, 5vw, 4.4rem);
	line-height: 1.02;
	margin: 1.1rem 0 1rem;
	letter-spacing: -0.03em;
	font-weight: 700;
}

.de-gradient-text {
	background: linear-gradient(90deg, #fff 0%, var(--de-gold-light) 55%, var(--de-gold) 100%);
	-webkit-background-clip: text;
	background-clip: text;
	color: transparent;
}

.de-hero p {
	color: var(--de-muted);
	font-size: 1.05rem;
	max-width: 42rem;
	line-height: 1.7;
}

.de-hero-actions {
	display: flex;
	gap: 0.75rem;
	margin-top: 1.75rem;
	flex-wrap: wrap;
}

.de-btn {
	border: 1px solid var(--de-border-soft);
	border-radius: 999px;
	padding: 0.8rem 1.25rem;
	font-family: 'IBM Plex Mono', monospace;
	font-size: 0.68rem;
	font-weight: 600;
	letter-spacing: 0.06em;
	text-transform: uppercase;
	display: inline-flex;
	align-items: center;
	gap: 0.45rem;
	background: rgba(255, 255, 255, 0.04);
	cursor: pointer;
	transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}

.de-btn:hover,
.de-btn:focus-visible {
	transform: translateY(-2px);
	border-color: var(--de-border);
	outline: none;
}

.de-btn--primary {
	color: #0b0b0b;
	background: linear-gradient(135deg, var(--de-gold-light) 0%, var(--de-gold) 60%, #9a7a32 100%);
	border: none;
	box-shadow: 0 10px 32px rgba(184, 148, 63, 0.28);
}

.de-btn--primary:hover,
.de-btn--primary:focus-visible {
	box-shadow: 0 14px 36px rgba(184, 148, 63, 0.36);
}

.de-hero-card {
	border: 1px solid var(--de-border);
	background: linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.02));
	border-radius: var(--de-radius);
	padding: 1.35rem;
	box-shadow: var(--de-shadow);
}

.de-mini-architecture {
	display: grid;
	gap: 0.75rem;
}

.de-mini-row {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 0.75rem;
}

.de-mini-node {
	border: 1px solid var(--de-border-soft);
	background: rgba(255, 255, 255, 0.03);
	padding: 0.9rem;
	border-radius: 14px;
	min-height: 78px;
	display: flex;
	flex-direction: column;
	justify-content: space-between;
	transition: border-color 0.2s ease, background 0.2s ease;
}

.de-mini-node:hover {
	border-color: var(--de-border);
	background: rgba(184, 148, 63, 0.06);
}

.de-mini-node strong {
	font-size: 0.82rem;
	color: #fff;
}

.de-mini-node span {
	color: var(--de-muted);
	font-size: 0.72rem;
	line-height: 1.45;
}

/* ─── SECTIONS ─── */
.de-section {
	padding: 3.5rem 0;
}

.de-section-head {
	display: flex;
	justify-content: space-between;
	gap: 1.5rem;
	align-items: flex-end;
	margin-bottom: 1.5rem;
}

.de-section-head h2 {
	margin: 0;
	font-family: 'Playfair Display', serif;
	font-size: clamp(1.8rem, 3.5vw, 2.8rem);
	letter-spacing: -0.03em;
	font-weight: 700;
}

.de-section-head p {
	color: var(--de-muted);
	max-width: 32rem;
	margin: 0;
	line-height: 1.65;
}

.de-grid-3 {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 1rem;
}

.de-grid-4 {
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	gap: 1rem;
}

.de-card {
	border: 1px solid var(--de-border-soft);
	background: var(--de-card);
	border-radius: var(--de-radius);
	padding: 1.35rem;
	box-shadow: 0 16px 48px rgba(0, 0, 0, 0.22);
}

.de-card h3 {
	margin: 0 0 0.65rem;
	font-family: 'Playfair Display', serif;
	font-size: 1.15rem;
	font-weight: 700;
	color: #fff;
}

.de-card p,
.de-card li {
	color: var(--de-muted);
	line-height: 1.65;
}

.de-icon {
	font-size: 1.35rem;
	margin-bottom: 0.65rem;
}

.de-metric {
	font-family: 'Playfair Display', serif;
	font-size: 2.2rem;
	font-weight: 700;
	letter-spacing: -0.04em;
	color: var(--de-gold-light);
	margin-bottom: 0.35rem;
}

.de-pill-list {
	display: flex;
	flex-wrap: wrap;
	gap: 0.5rem;
	margin-top: 0.85rem;
}

.de-pill {
	border: 1px solid var(--de-border-soft);
	background: rgba(255, 255, 255, 0.04);
	color: #ddd;
	padding: 0.45rem 0.65rem;
	border-radius: 999px;
	font-family: 'IBM Plex Mono', monospace;
	font-size: 0.62rem;
	font-weight: 600;
	letter-spacing: 0.04em;
	text-transform: uppercase;
}

/* ─── TABS ─── */
.de-tabs {
	display: flex;
	gap: 0.65rem;
	flex-wrap: wrap;
	margin-bottom: 1.1rem;
}

.de-tab {
	padding: 0.7rem 1rem;
	border: 1px solid var(--de-border-soft);
	border-radius: 999px;
	background: rgba(255, 255, 255, 0.03);
	color: var(--de-muted);
	font-family: 'IBM Plex Mono', monospace;
	font-size: 0.62rem;
	font-weight: 600;
	letter-spacing: 0.05em;
	text-transform: uppercase;
	cursor: pointer;
	transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.de-tab.active,
.de-tab:hover,
.de-tab:focus-visible {
	outline: none;
}

.de-tab.active {
	color: #0b0b0b;
	background: linear-gradient(135deg, var(--de-gold-light), var(--de-gold));
	border-color: transparent;
}

.de-tab-panel {
	display: none;
}

.de-tab-panel.active {
	display: block;
	animation: deFadeIn 0.35s ease;
}

@keyframes deFadeIn {
	from {
		opacity: 0;
		transform: translateY(8px);
	}
	to {
		opacity: 1;
		transform: translateY(0);
	}
}

/* ─── ARCHITECTURE ─── */
.de-architecture {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 1.1rem;
	align-items: stretch;
}

.de-flow {
	display: grid;
	gap: 0.75rem;
}

.de-flow-node {
	border: 1px solid var(--de-border-soft);
	background: rgba(255, 255, 255, 0.03);
	border-radius: 14px;
	padding: 0.9rem 1rem;
	position: relative;
}

.de-flow-node:not(:last-child)::after {
	content: "↓";
	position: absolute;
	bottom: -16px;
	left: 50%;
	transform: translateX(-50%);
	color: var(--de-gold);
	font-weight: 700;
}

.de-flow-node strong {
	display: block;
	margin-bottom: 0.25rem;
	color: #fff;
	font-size: 0.92rem;
}

.de-flow-node span {
	color: var(--de-muted);
	font-size: 0.8rem;
	line-height: 1.5;
}

.de-medallion {
	display: grid;
	gap: 0.85rem;
}

.de-layer {
	padding: 1.1rem 1.15rem;
	border-radius: 16px;
	border: 1px solid var(--de-border-soft);
	position: relative;
	overflow: hidden;
}

.de-layer::before {
	content: "";
	position: absolute;
	inset: 0;
	opacity: 0.16;
	pointer-events: none;
}

.de-layer--bronze::before {
	background: linear-gradient(90deg, #8b5a2b, transparent);
}

.de-layer--silver::before {
	background: linear-gradient(90deg, #8a8f98, transparent);
}

.de-layer--gold::before {
	background: linear-gradient(90deg, var(--de-gold), transparent);
}

.de-layer h4 {
	margin: 0 0 0.35rem;
	font-size: 1rem;
	position: relative;
	color: #fff;
}

.de-layer p {
	margin: 0;
	color: var(--de-muted);
	font-size: 0.88rem;
	position: relative;
	line-height: 1.55;
}

.de-compact-list {
	margin: 0;
	padding-left: 1.1rem;
}

.de-compact-list li {
	margin: 0.45rem 0;
}

/* ─── USE CASES ─── */
.de-usecase-card {
	border: 1px solid var(--de-border);
	border-radius: 22px;
	background: linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.02));
	overflow: hidden;
	box-shadow: var(--de-shadow);
	margin-bottom: 1.35rem;
}

.de-usecase-header {
	padding: 1.5rem;
	display: grid;
	grid-template-columns: 1fr auto;
	gap: 1rem;
	border-bottom: 1px solid var(--de-border-soft);
	align-items: start;
}

.de-tag {
	display: inline-flex;
	padding: 0.35rem 0.65rem;
	border-radius: 999px;
	background: var(--de-gold-dim);
	color: var(--de-gold-light);
	font-family: 'IBM Plex Mono', monospace;
	font-size: 0.58rem;
	font-weight: 700;
	text-transform: uppercase;
	letter-spacing: 0.08em;
	margin-bottom: 0.65rem;
}

.de-usecase-header h3 {
	margin: 0 0 0.45rem;
	font-family: 'Playfair Display', serif;
	font-size: 1.65rem;
	letter-spacing: -0.02em;
}

.de-usecase-header p {
	color: var(--de-muted);
	margin: 0;
	max-width: 44rem;
	line-height: 1.6;
}

.de-usecase-body {
	padding: 1.25rem;
	display: grid;
	grid-template-columns: 0.9fr 1.1fr;
	gap: 1rem;
}

.de-tech-stack {
	display: flex;
	flex-wrap: wrap;
	gap: 0.5rem;
	margin-top: 0.85rem;
}

.de-tech {
	background: rgba(255, 255, 255, 0.04);
	border: 1px solid var(--de-border-soft);
	border-radius: 10px;
	padding: 0.45rem 0.65rem;
	color: #ddd;
	font-family: 'IBM Plex Mono', monospace;
	font-size: 0.58rem;
	font-weight: 600;
	letter-spacing: 0.04em;
	text-transform: uppercase;
}

/* ─── TIMELINE ─── */
.de-timeline {
	display: grid;
	grid-template-columns: repeat(5, 1fr);
	gap: 0.65rem;
	margin-top: 0.85rem;
}

.de-timeline-step {
	min-height: 120px;
	background: rgba(255, 255, 255, 0.03);
	border: 1px solid var(--de-border-soft);
	border-radius: 14px;
	padding: 0.85rem;
}

.de-timeline-step .de-num {
	width: 28px;
	height: 28px;
	border-radius: 50%;
	display: grid;
	place-items: center;
	background: linear-gradient(135deg, var(--de-gold-light), var(--de-gold));
	color: #0b0b0b;
	font-family: 'IBM Plex Mono', monospace;
	font-size: 0.72rem;
	font-weight: 700;
	margin-bottom: 0.65rem;
}

.de-timeline-step strong {
	display: block;
	font-size: 0.78rem;
	color: #fff;
}

.de-timeline-step span {
	display: block;
	color: var(--de-muted);
	font-size: 0.72rem;
	margin-top: 0.35rem;
	line-height: 1.45;
}

/* ─── COMPARISON TABLE ─── */
.de-comparison {
	width: 100%;
	border-collapse: collapse;
	overflow: hidden;
	border-radius: 14px;
}

.de-comparison th,
.de-comparison td {
	border: 1px solid var(--de-border-soft);
	padding: 0.85rem;
	text-align: left;
	color: var(--de-muted);
	font-size: 0.88rem;
	line-height: 1.5;
}

.de-comparison th {
	color: var(--de-text);
	background: rgba(184, 148, 63, 0.1);
	font-family: 'IBM Plex Mono', monospace;
	font-size: 0.68rem;
	letter-spacing: 0.05em;
	text-transform: uppercase;
}

/* ─── FOOTER CTA ─── */
.de-footer-cta {
	padding: 3rem 0 4rem;
	border-top: 1px solid var(--de-border-soft);
}

.de-footer-cta .de-section-head {
	align-items: center;
}

.de-footer-cta strong {
	color: var(--de-gold-light);
}

/* ─── CS-HERO LAYOUT (shared with master class banner) ─── */
.de-page.cs-page .cs-hero {
	margin-top: 0;
}

.de-page.cs-page .de-subnav {
	top: 0;
}

/* ─── INTRO STRIP (below cs-hero on data engineering) ─── */
.de-intro-strip {
	padding: 2.5rem 0 3rem;
	border-bottom: 1px solid var(--de-border-soft);
}

.de-intro-title {
	font-family: 'Playfair Display', serif;
	font-size: clamp(1.75rem, 3.5vw, 2.6rem);
	line-height: 1.08;
	margin: 1rem 0 0.85rem;
	letter-spacing: -0.02em;
	font-weight: 700;
}

.de-section--alt {
	background: rgba(255, 255, 255, 0.015);
	border-top: 1px solid var(--de-border-soft);
	border-bottom: 1px solid var(--de-border-soft);
}

/* ─── CASE STUDY META BAR ─── */
.de-meta-bar {
	border-bottom: 1px solid var(--de-border-soft);
	background: rgba(0, 0, 0, 0.35);
}

.de-meta-bar-inner {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 1.25rem 2rem;
	padding-top: 1.25rem;
	padding-bottom: 1.25rem;
}

.de-meta-item {
	display: flex;
	flex-direction: column;
	gap: 0.2rem;
	min-width: 140px;
	flex: 1 1 180px;
}

.de-meta-label {
	font-family: 'IBM Plex Mono', monospace;
	font-size: 0.58rem;
	letter-spacing: 0.08em;
	text-transform: uppercase;
	color: var(--de-gold);
}

.de-meta-value {
	font-size: 0.82rem;
	color: var(--de-text);
	line-height: 1.45;
}

.de-confidential {
	margin-left: auto;
	padding: 0.35rem 0.75rem;
	border: 1px solid rgba(184, 148, 63, 0.35);
	border-radius: 999px;
	font-family: 'IBM Plex Mono', monospace;
	font-size: 0.58rem;
	font-weight: 600;
	letter-spacing: 0.1em;
	text-transform: uppercase;
	color: var(--de-gold-light);
	background: var(--de-gold-dim);
}

/* ─── PROSE ─── */
.de-prose-block h3 {
	font-family: 'Playfair Display', serif;
	font-size: 1.35rem;
	margin: 0 0 0.75rem;
	color: #fff;
}

.de-prose-block p {
	color: var(--de-muted);
	line-height: 1.7;
	margin: 0 0 1rem;
}

.de-prose-block p:last-child {
	margin-bottom: 0;
}

/* ─── METRIC CARDS ─── */
.de-card--metric {
	text-align: center;
}

.de-grid-4--metrics .de-metric,
.de-grid-3--metrics .de-metric {
	font-size: clamp(1.6rem, 3vw, 2.2rem);
}

.de-card--compact {
	padding: 1rem 1.1rem;
	text-align: center;
}

.de-card--compact h3 {
	font-size: 0.9rem;
	margin: 0;
}

.de-grid-2 {
	display: grid;
	grid-template-columns: repeat(2, 1fr);
	gap: 1rem;
}

/* ─── BEFORE / AFTER COMPARE ─── */
.de-compare-grid {
	display: grid;
	gap: 1.25rem;
	margin-top: 2rem;
}

.de-compare-item {
	display: grid;
	gap: 0.65rem;
}

.de-compare-label {
	font-family: 'IBM Plex Mono', monospace;
	font-size: 0.62rem;
	letter-spacing: 0.06em;
	text-transform: uppercase;
	color: var(--de-gold-light);
}

.de-compare-bars {
	display: grid;
	gap: 0.45rem;
}

.de-compare-bar {
	display: flex;
	align-items: center;
	min-height: 36px;
	padding: 0 0.85rem;
	border-radius: 10px;
	font-family: 'IBM Plex Mono', monospace;
	font-size: 0.72rem;
	font-weight: 600;
	min-width: 4rem;
}

.de-compare-bar--before {
	background: rgba(80, 120, 180, 0.22);
	border: 1px solid rgba(80, 120, 180, 0.35);
	color: #a8c4e8;
}

.de-compare-bar--after {
	background: rgba(64, 180, 160, 0.18);
	border: 1px solid rgba(64, 180, 160, 0.35);
	color: #8ee4d4;
}

/* ─── DELIVERY STEPS ─── */
.de-delivery-grid {
	display: grid;
	grid-template-columns: repeat(5, 1fr);
	gap: 1rem;
}

.de-delivery-step {
	border: 1px solid var(--de-border-soft);
	background: var(--de-card);
	border-radius: 16px;
	padding: 1.15rem;
}

.de-delivery-num {
	display: inline-block;
	font-family: 'IBM Plex Mono', monospace;
	font-size: 0.62rem;
	font-weight: 700;
	letter-spacing: 0.08em;
	color: var(--de-gold);
	margin-bottom: 0.65rem;
}

.de-delivery-step h3 {
	font-size: 0.95rem;
	margin: 0 0 0.55rem;
	color: #fff;
}

.de-delivery-step p {
	font-size: 0.82rem;
	color: var(--de-muted);
	margin: 0;
	line-height: 1.55;
}

/* ─── PIPELINE & TIMELINE TABLES ─── */
.de-pipeline-wrap,
.de-timeline-wrap {
	overflow-x: auto;
	border: 1px solid var(--de-border-soft);
	border-radius: var(--de-radius);
	background: rgba(0, 0, 0, 0.25);
}

.de-pipeline-table,
.de-timeline-table {
	width: 100%;
	border-collapse: collapse;
	font-size: 0.82rem;
}

.de-pipeline-table th,
.de-timeline-table th {
	text-align: left;
	padding: 0.85rem 1rem;
	font-family: 'IBM Plex Mono', monospace;
	font-size: 0.58rem;
	letter-spacing: 0.08em;
	text-transform: uppercase;
	color: var(--de-gold);
	border-bottom: 1px solid var(--de-border-soft);
	background: rgba(184, 148, 63, 0.06);
}

.de-pipeline-table td,
.de-timeline-table td {
	padding: 0.9rem 1rem;
	color: var(--de-muted);
	border-bottom: 1px solid rgba(255, 255, 255, 0.04);
	vertical-align: top;
	line-height: 1.55;
}

.de-pipeline-table tr:last-child td,
.de-timeline-table tr:last-child td {
	border-bottom: none;
}

.de-pipeline-stage {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 28px;
	height: 28px;
	border-radius: 8px;
	background: var(--de-gold-dim);
	border: 1px solid var(--de-border);
	color: var(--de-gold-light);
	font-family: 'IBM Plex Mono', monospace;
	font-size: 0.68rem;
	font-weight: 700;
}

.de-phase-badge {
	display: inline-block;
	padding: 0.25rem 0.55rem;
	border-radius: 999px;
	font-family: 'IBM Plex Mono', monospace;
	font-size: 0.58rem;
	font-weight: 600;
	letter-spacing: 0.06em;
	text-transform: uppercase;
}

.de-phase-badge--completed {
	background: rgba(64, 180, 160, 0.15);
	color: #8ee4d4;
	border: 1px solid rgba(64, 180, 160, 0.3);
}

.de-phase-badge--active {
	background: var(--de-gold-dim);
	color: var(--de-gold-light);
	border: 1px solid var(--de-border);
}

/* ─── REGION GRID ─── */
.de-region-grid {
	display: grid;
	grid-template-columns: repeat(2, 1fr);
	gap: 1rem;
}

/* ─── AI MODULE ACCORDION ─── */
.de-module-list {
	display: grid;
	gap: 0.75rem;
}

.de-module-card {
	border: 1px solid var(--de-border-soft);
	border-radius: 16px;
	background: var(--de-card);
	overflow: hidden;
}

.de-module-card.is-open {
	border-color: var(--de-border);
}

.de-module-toggle {
	width: 100%;
	display: flex;
	align-items: center;
	gap: 1rem;
	padding: 1.1rem 1.25rem;
	background: transparent;
	border: none;
	color: inherit;
	cursor: pointer;
	text-align: left;
	font: inherit;
}

.de-module-toggle:hover,
.de-module-toggle:focus-visible {
	background: rgba(184, 148, 63, 0.05);
	outline: none;
}

.de-module-num {
	flex-shrink: 0;
	font-family: 'IBM Plex Mono', monospace;
	font-size: 0.68rem;
	font-weight: 700;
	color: var(--de-gold);
}

.de-module-title {
	flex: 1;
	font-family: 'Playfair Display', serif;
	font-size: 1.05rem;
	font-weight: 600;
	color: #fff;
}

.de-module-chevron {
	flex-shrink: 0;
	width: 10px;
	height: 10px;
	border-right: 2px solid var(--de-gold);
	border-bottom: 2px solid var(--de-gold);
	transform: rotate(45deg);
	transition: transform 0.2s ease;
	margin-right: 4px;
}

.de-module-card.is-open .de-module-chevron {
	transform: rotate(-135deg);
	margin-top: 6px;
}

.de-module-body {
	padding: 0 1.25rem 1.25rem;
	border-top: 1px solid var(--de-border-soft);
}

.de-module-summary {
	color: var(--de-muted);
	margin: 1rem 0 1.25rem;
	line-height: 1.65;
}

.de-module-columns {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 1.5rem;
}

.de-module-columns h4 {
	font-family: 'IBM Plex Mono', monospace;
	font-size: 0.62rem;
	letter-spacing: 0.08em;
	text-transform: uppercase;
	color: var(--de-gold);
	margin: 0 0 0.65rem;
}

.de-module-columns p {
	color: var(--de-muted);
	font-size: 0.85rem;
	line-height: 1.6;
	margin: 0 0 1rem;
}

/* ─── CONTACT ─── */
.de-contact-card {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	justify-content: space-between;
	gap: 1.5rem;
	border: 1px solid var(--de-border);
	border-radius: var(--de-radius);
	padding: 2rem;
	background: linear-gradient(135deg, rgba(184, 148, 63, 0.08), rgba(255, 255, 255, 0.02));
}

.de-contact-card h2 {
	font-family: 'Playfair Display', serif;
	font-size: clamp(1.5rem, 3vw, 2rem);
	margin: 0 0 0.65rem;
}

.de-contact-card p {
	color: var(--de-muted);
	margin: 0;
	max-width: 36rem;
	line-height: 1.65;
}

.de-contact-actions {
	display: flex;
	flex-wrap: wrap;
	gap: 0.65rem;
}

.de-footer-note {
	margin-top: 1.25rem;
	text-align: center;
	font-family: 'IBM Plex Mono', monospace;
	font-size: 0.62rem;
	letter-spacing: 0.06em;
	text-transform: uppercase;
	color: var(--de-muted);
}

/* ─── PRINT BAR ─── */
.de-print-bar {
	position: fixed;
	right: 1.1rem;
	bottom: 1.1rem;
	z-index: 50;
}

/* ─── RESPONSIVE ─── */
@media (max-width: 920px) {
	.de-hero-grid,
	.de-architecture,
	.de-usecase-body,
	.de-grid-2,
	.de-module-columns,
	.de-region-grid {
		grid-template-columns: 1fr;
	}

	.de-grid-3,
	.de-grid-4 {
		grid-template-columns: 1fr;
	}

	.de-delivery-grid {
		grid-template-columns: 1fr;
	}

	.de-timeline {
		grid-template-columns: 1fr;
	}

	.de-mini-row {
		grid-template-columns: 1fr;
	}

	.de-section-head {
		display: block;
	}

	.de-subnav-links {
		display: none;
	}

	.de-confidential {
		margin-left: 0;
		width: 100%;
		text-align: center;
	}

	.de-pipeline-table thead,
	.de-timeline-table thead {
		display: none;
	}

	.de-pipeline-table tr,
	.de-timeline-table tr {
		display: block;
		padding: 0.85rem 0;
		border-bottom: 1px solid var(--de-border-soft);
	}

	.de-pipeline-table td,
	.de-timeline-table td {
		display: block;
		padding: 0.35rem 1rem;
		border: none;
	}

	.de-pipeline-table td::before,
	.de-timeline-table td::before {
		content: attr(data-label) ': ';
		font-family: 'IBM Plex Mono', monospace;
		font-size: 0.58rem;
		text-transform: uppercase;
		color: var(--de-gold);
	}

	.de-container,
	.de-subnav-inner {
		padding-left: 1.25rem;
		padding-right: 1.25rem;
	}
}

@media print {
	.de-subnav,
	.de-print-bar {
		display: none !important;
	}

	.de-page {
		background: #0b0b0b;
	}

	.de-section,
	.de-hero,
	.de-intro-strip {
		break-inside: avoid;
		padding: 1.75rem 0;
	}

	.de-usecase-card,
	.de-card,
	.de-hero-card {
		break-inside: avoid;
	}
}