/**
 * Copperline — dense, spec-driven B2B EMS/PCB-fab manufacturing theme.
 * Design tokens, layout, and component styles.
 *
 * @package Copperline
 */

/* ---------------------------------------------------------------------
   1. Reset
   --------------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { overflow-x: hidden; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
	margin: 0;
	overflow-x: hidden;
	background: var(--board);
	color: var(--silk);
	font-family: var(--font-body);
	font-size: var(--fs-1);
	line-height: 1.6;
	-webkit-font-smoothing: antialiased;
	position: relative;
	z-index: 0;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, h5, p, dl, dd { margin: 0; }
input, textarea, select { font: inherit; color: inherit; }

/* ---------------------------------------------------------------------
   2. Design tokens
   --------------------------------------------------------------------- */
:root {
	/* Palette — real PCB soldermask green + copper-trace accent, NOT a
	   luxury gold/brass scheme. */
	--board: #071c13;
	--pcb-green: #0d3b26;
	--pcb-green-2: #123f2b;
	--pcb-green-3: #1a4d36;

	--silk: #eae7dc;
	--silk-70: rgba(234, 231, 220, 0.72);
	/* silk-50/silk-30 are raised above their literal name (0.62/0.52 actual
	   alpha) — at 0.5/0.3 these small-caps labels and legal fine print fell
	   to 3.7-4.4:1 against the --pcb-green/--board section backgrounds they
	   actually render on, under the 4.5:1 WCAG AA floor for text this size
	   (form labels, spec-table dt's, footer legal). Verified via composited
	   contrast against both real section background colors. */
	--silk-50: rgba(234, 231, 220, 0.62);
	--silk-30: rgba(234, 231, 220, 0.52);
	--silk-14: rgba(234, 231, 220, 0.14);
	--silk-08: rgba(234, 231, 220, 0.08);

	--copper: #b8733c;
	--copper-bright: #d68a4c;
	--copper-dim: rgba(184, 115, 60, 0.2);

	--trace-green: #8fa86a;
	--trace-green-dim: rgba(143, 168, 106, 0.18);

	--ok: #7dc98f;
	--err: #e8836f;

	/* Fonts */
	--font-display: 'Sora', system-ui, sans-serif;
	--font-body: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
	--font-mono: 'JetBrains Mono', ui-monospace, 'SFMono-Regular', Menlo, monospace;

	/* Type scale: 16px base x 1.25 ratio */
	--fs-0: 0.8rem;
	--fs-1: 1rem;
	--fs-2: 1.25rem;
	--fs-3: 1.563rem;
	--fs-4: 1.953rem;
	--fs-5: 2.441rem;
	--fs-6: 3.052rem;
	--fs-7: 3.815rem;

	/* Spacing scale */
	--sp-1: 0.5rem;
	--sp-2: 1rem;
	--sp-3: 1.5rem;
	--sp-4: 2rem;
	--sp-5: 3rem;
	--sp-6: 4rem;
	--sp-7: 6rem;
	--sp-8: 8rem;
	--sp-9: 10rem;

	--section-pad: 10rem;
	--radius: 18px;
	--radius-sm: 10px;
	--radius-lg: 26px;

	--ease: cubic-bezier(0.16, 1, 0.3, 1);
}

@media (max-width: 780px) {
	:root { --section-pad: 5rem; }
}

/* ---------------------------------------------------------------------
   3. Base typography
   --------------------------------------------------------------------- */
h1, h2, h3, h4 {
	font-family: var(--font-display);
	font-weight: 600;
	letter-spacing: -0.01em;
	line-height: 1.1;
	color: var(--silk);
	text-wrap: balance;
}
h1 { font-size: clamp(2.4rem, 1.8rem + 3vw, var(--fs-7)); font-weight: 650; }
h2 { font-size: clamp(1.9rem, 1.5rem + 2vw, var(--fs-6)); }
h3 { font-size: var(--fs-3); }
h4 { font-size: var(--fs-2); }
em { font-style: normal; color: var(--copper-bright); }
p { color: var(--silk-70); }
.tabular { font-variant-numeric: tabular-nums; font-feature-settings: 'tnum' 1; font-family: var(--font-mono); }

.eyebrow {
	display: inline-flex;
	align-items: center;
	gap: 0.5em;
	font-family: var(--font-mono);
	font-size: var(--fs-0);
	font-weight: 500;
	letter-spacing: 0.14em;
	text-transform: uppercase;
	color: var(--copper-bright);
}
.eyebrow::before {
	content: '';
	width: 22px;
	height: 1px;
	background: var(--copper-bright);
}
.eyebrow--trace { color: var(--trace-green); }
.eyebrow--trace::before { background: var(--trace-green); }

/* ---------------------------------------------------------------------
   4. Layout
   --------------------------------------------------------------------- */
.wrap { max-width: 1320px; margin: 0 auto; padding: 0 var(--sp-4); position: relative; z-index: 1; }
.wrap--narrow { max-width: 760px; margin: 0 auto; padding: 0 var(--sp-4); position: relative; z-index: 1; }
@media (max-width: 640px) { .wrap, .wrap--narrow { padding: 0 var(--sp-3); } }

.section { position: relative; padding: var(--section-pad) 0; z-index: 1; }
.section--alt { background: var(--pcb-green); }
.section--tight { padding: var(--sp-7) 0; }

.section-head { max-width: 680px; margin-bottom: var(--sp-6); }
.section-head--center { max-width: 680px; margin-left: auto; margin-right: auto; text-align: center; }
.section-head h2 { margin-top: var(--sp-2); }
.section-head p { margin-top: var(--sp-3); font-size: var(--fs-2); }

.skip-link {
	position: absolute; left: -999px; top: 0; z-index: 999;
	background: var(--copper-bright); color: #1a1006; padding: 12px 20px; border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }

/* ---------------------------------------------------------------------
   5. Buttons
   --------------------------------------------------------------------- */
.btn {
	display: inline-flex; align-items: center; justify-content: center; gap: 0.6em;
	padding: 0.95em 1.9em;
	border-radius: 8px;
	font-family: var(--font-body);
	font-weight: 600;
	font-size: var(--fs-1);
	white-space: nowrap;
	transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease), background 0.25s var(--ease), color 0.25s var(--ease);
}
.btn--cta {
	background: linear-gradient(135deg, var(--copper-bright), var(--copper));
	color: #1a1006;
	box-shadow: 0 8px 30px -6px rgba(184, 115, 60, 0.5);
}
.btn--cta:hover { transform: translateY(-2px); box-shadow: 0 14px 36px -6px rgba(184, 115, 60, 0.65); }
.btn--outline {
	border: 1px solid var(--silk-30);
	color: var(--silk);
	background: rgba(234, 231, 220, 0.04);
}
.btn--outline:hover { border-color: var(--copper-bright); color: var(--copper-bright); background: var(--copper-dim); }
.btn--ghost { color: var(--silk); }
.btn--ghost:hover { color: var(--copper-bright); }
.btn--lg { padding: 1.1em 2.4em; font-size: var(--fs-2); }
.btn--sm { padding: 0.7em 1.4em; font-size: var(--fs-0); }
.btn--block { width: 100%; }
.btn[disabled] { opacity: 0.6; cursor: default; transform: none; }

/* ---------------------------------------------------------------------
   6. Liquid glass surfaces
   --------------------------------------------------------------------- */
.glass {
	position: relative;
	background: linear-gradient(160deg, rgba(26, 77, 54, 0.6), rgba(7, 28, 19, 0.55));
	backdrop-filter: blur(22px) saturate(140%);
	-webkit-backdrop-filter: blur(22px) saturate(140%);
	border: 1px solid rgba(234, 231, 220, 0.1);
	border-radius: var(--radius);
	box-shadow:
		inset 0 1px 0 rgba(234, 231, 220, 0.1),
		inset 0 0 60px rgba(184, 115, 60, 0.03),
		0 24px 60px -20px rgba(0, 0, 0, 0.55);
	overflow: hidden;
}
.glass::before {
	content: '';
	position: absolute; inset: 0;
	background: radial-gradient(120% 90% at 12% -10%, rgba(234, 231, 220, 0.08), transparent 55%);
	pointer-events: none;
}

/* ---------------------------------------------------------------------
   7. Header
   --------------------------------------------------------------------- */
.site-header {
	position: sticky; top: 0; z-index: 100;
	border-bottom: 1px solid rgba(234, 231, 220, 0.08);
}
/* The blur lives on a ::before layer rather than directly on .site-header
   — a computed backdrop-filter on .site-header itself would establish a
   containing block for its position:fixed .nav descendant (mobile off-canvas
   panel), collapsing its inset:0 0 0 auto sizing down to content height
   instead of the full viewport (see known bug class: backdrop-filter +
   position:fixed hijacking a fixed child's containing block). A pseudo-
   element isn't an ancestor of .nav, so it gets the same visual blur without
   that side effect. */
.site-header::before {
	content: '';
	position: absolute; inset: 0; z-index: -1;
	background: rgba(7, 28, 19, 0.78);
	backdrop-filter: blur(18px) saturate(140%);
	-webkit-backdrop-filter: blur(18px) saturate(140%);
}
.site-header__inner { display: flex; align-items: center; gap: var(--sp-4); padding: 1.1rem 0; }
.brand { display: flex; align-items: center; gap: 0.7rem; font-family: var(--font-display); font-weight: 650; font-size: 1.25rem; color: var(--silk); flex-shrink: 0; }
.brand__mark { color: var(--copper-bright); display: flex; }
.brand__tag { display: block; font-family: var(--font-mono); font-size: 0.6rem; font-weight: 500; letter-spacing: 0.14em; text-transform: uppercase; color: var(--silk-50); margin-top: 2px; }

.nav { display: flex; align-items: center; gap: var(--sp-5); margin-left: auto; }
.nav ul { display: flex; gap: var(--sp-4); }
.nav a { font-size: 0.92rem; font-weight: 500; color: var(--silk-70); transition: color 0.25s var(--ease); position: relative; }
.nav a:hover { color: var(--copper-bright); }
.nav .menu-item-cta a { display: none; }

.header-actions { display: flex; align-items: center; gap: var(--sp-3); flex-shrink: 0; }
.header-actions__phone { display: flex; align-items: center; gap: 0.5em; font-size: 0.88rem; color: var(--silk-70); font-family: var(--font-mono); }
.header-actions__phone svg { color: var(--copper-bright); }

.nav-toggle { display: none; flex-direction: column; gap: 5px; padding: 8px; }
.nav-toggle span { width: 22px; height: 2px; background: var(--silk); transition: transform 0.3s var(--ease), opacity 0.3s var(--ease); }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 980px) {
	.header-actions__phone { display: none; }
	.nav-toggle { display: flex; }
	.nav {
		position: fixed; inset: 0 0 0 auto; width: min(86vw, 380px); margin: 0;
		background: var(--pcb-green-2);
		flex-direction: column; align-items: flex-start; justify-content: flex-start;
		padding: 6.5rem var(--sp-4) var(--sp-4);
		transform: translateX(100%);
		transition: transform 0.4s var(--ease);
		overflow-y: auto;
		border-left: 1px solid var(--silk-08);
	}
	.nav.is-open { transform: translateX(0); }
	.nav ul { flex-direction: column; gap: 0; width: 100%; }
	.nav ul li { width: 100%; border-bottom: 1px solid var(--silk-08); }
	.nav ul a { display: block; padding: 1rem 0; font-size: 1.1rem; }
	.nav .menu-item-cta { margin-top: var(--sp-3); width: 100%; }
	.nav .menu-item-cta a {
		display: inline-flex; align-items: center; justify-content: center; width: 100%;
		padding: 0.9em 1.6em; border-radius: 8px;
		background: linear-gradient(135deg, var(--copper-bright), var(--copper)); color: #1a1006; font-weight: 600;
	}
}

/* ---------------------------------------------------------------------
   8. Hero — circuit-trace line art, no photo (real photography arrives in
   phase 2 for other sections; hero is text/motif-driven).
   --------------------------------------------------------------------- */
.hero {
	position: relative;
	min-height: 88vh;
	display: flex;
	align-items: center;
	overflow: hidden;
	background:
		radial-gradient(120% 70% at 50% 112%, rgba(184, 115, 60, 0.14), transparent 60%),
		radial-gradient(90% 60% at 82% -10%, rgba(143, 168, 106, 0.1), transparent 55%),
		linear-gradient(180deg, var(--board) 0%, #0a2419 55%, var(--pcb-green) 100%);
}
.hero__traces { position: absolute; inset: 0; z-index: 0; opacity: 0.5; pointer-events: none; }
.hero__traces svg { width: 100%; height: 100%; }
.hero__traces .trace-line { fill: none; stroke: var(--copper); stroke-width: 1.4; opacity: 0.55; }
.hero__traces .trace-line--dim { stroke: var(--trace-green); opacity: 0.32; }
.hero__traces .trace-via { fill: var(--copper-bright); opacity: 0.6; }
.hero::after {
	content: '';
	position: absolute; inset: 0;
	background: radial-gradient(120% 100% at 50% 30%, transparent 40%, rgba(7, 28, 19, 0.75) 100%);
	pointer-events: none;
	z-index: 1;
}
.hero__inner { position: relative; z-index: 2; padding-top: var(--sp-8); padding-bottom: var(--sp-6); text-align: center; max-width: 900px; margin: 0 auto; }
.hero h1 { margin-top: var(--sp-3); }
.hero__lede { font-size: var(--fs-2); max-width: 640px; margin: var(--sp-4) auto 0; }
.hero__cta-row { display: flex; align-items: center; justify-content: center; gap: var(--sp-3); margin-top: var(--sp-5); flex-wrap: wrap; }
.hero__scroll-hint {
	position: absolute; left: 50%; bottom: var(--sp-4); transform: translateX(-50%);
	display: flex; flex-direction: column; align-items: center; gap: 0.5rem;
	color: var(--silk-50); font-size: var(--fs-0); letter-spacing: 0.1em; text-transform: uppercase;
	z-index: 2;
}
.hero__scroll-hint span.line { width: 1px; height: 34px; background: linear-gradient(var(--copper-bright), transparent); animation: cop-scrollpulse 2.2s ease-in-out infinite; }
@keyframes cop-scrollpulse { 0%, 100% { opacity: 0.3; } 50% { opacity: 1; } }
@media (prefers-reduced-motion: reduce) { .hero__scroll-hint span.line { animation: none; opacity: 0.6; } }

@media (max-width: 640px) {
	.hero { min-height: 82vh; }
	.hero__inner { padding-top: var(--sp-7); }
}

/* ---------------------------------------------------------------------
   9. Configure Your Build — stack-up + RFQ calculator
   --------------------------------------------------------------------- */
.cfgb {
	display: grid;
	grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
	gap: var(--sp-5);
	align-items: stretch;
	padding: var(--sp-5);
}
@media (max-width: 980px) {
	.cfgb { grid-template-columns: 1fr; padding: var(--sp-4); }
}

.cfgb__form { display: flex; flex-direction: column; gap: var(--sp-3); }
.cfgb__field label {
	display: block; font-size: var(--fs-0); font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase;
	color: var(--silk-50); margin-bottom: 0.5rem;
}
.cfgb__field input, .cfgb__field select {
	width: 100%; padding: 0.85em 1em; border-radius: var(--radius-sm);
	background: rgba(234, 231, 220, 0.05); border: 1px solid var(--silk-14); color: var(--silk);
	transition: border-color 0.25s var(--ease);
	font-family: var(--font-mono);
}
.cfgb__field select {
	appearance: none;
	background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23d68a4c' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
	background-repeat: no-repeat; background-position: right 1em center; background-size: 18px;
}
.cfgb__field input:focus, .cfgb__field select:focus { outline: none; border-color: var(--copper-bright); }
.cfgb__row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-2); }
@media (max-width: 480px) { .cfgb__row { grid-template-columns: 1fr; } }

.cfgb__layers { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.cfgb__layer-btn {
	padding: 0.6em 1.1em; border-radius: 999px; border: 1px solid var(--silk-14);
	background: rgba(234, 231, 220, 0.04); color: var(--silk-70); font-family: var(--font-mono); font-weight: 600;
	transition: all 0.2s var(--ease);
}
.cfgb__layer-btn:hover { border-color: var(--copper-bright); color: var(--copper-bright); }
.cfgb__layer-btn.is-active { background: var(--copper-dim); border-color: var(--copper-bright); color: var(--copper-bright); }

.cfgb__visual { display: flex; flex-direction: column; gap: var(--sp-3); }
.cfgb__stack-wrap { position: relative; border-radius: var(--radius-sm); overflow: hidden; background: #051209; border: 1px solid var(--silk-08); flex: 1; min-height: 320px; display: flex; }
.cfgb__stack { width: 100%; height: 100%; display: block; }
.cfgb__stack .stk-copper { fill: var(--copper-bright); }
.cfgb__stack .stk-prepreg { fill: rgba(143, 168, 106, 0.35); stroke: rgba(143, 168, 106, 0.5); stroke-width: 0.5; }
.cfgb__stack .stk-core { fill: rgba(143, 168, 106, 0.55); stroke: rgba(143, 168, 106, 0.7); stroke-width: 0.5; }
.cfgb__stack .stk-label { fill: var(--silk-70); font-size: 9px; font-family: var(--font-mono); }
.cfgb__stack .stk-label--copper { fill: #1a1006; font-weight: 700; }

.cfgb__stack-stats { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-2); }
.cfgb__stack-stats > div { padding: var(--sp-2) var(--sp-3); border-radius: var(--radius-sm); background: var(--trace-green-dim); border: 1px solid var(--trace-green-dim); }
.cfgb__stack-stats dt { font-size: var(--fs-0); text-transform: uppercase; letter-spacing: 0.06em; color: var(--silk-50); }
.cfgb__stack-stats dd { margin-top: 0.3rem; font-family: var(--font-mono); font-size: var(--fs-3); font-weight: 600; color: var(--trace-green); }
.cfgb__stack-stats dd small { display: block; font-family: var(--font-body); font-size: var(--fs-0); color: var(--silk-50); font-weight: 500; }

.cfgb-results { margin-top: var(--sp-4); padding: var(--sp-4); }
.cfgb-results__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--sp-3); }
@media (max-width: 780px) { .cfgb-results__grid { grid-template-columns: 1fr 1fr; } }
.cfgb-results__grid > div { padding: var(--sp-3); border-radius: var(--radius-sm); background: rgba(184, 115, 60, 0.09); border: 1px solid var(--copper-dim); }
.cfgb-results__grid dt { font-size: var(--fs-0); text-transform: uppercase; letter-spacing: 0.06em; color: var(--silk-50); }
.cfgb-results__grid dd { margin-top: 0.3rem; font-family: var(--font-mono); font-size: var(--fs-3); font-weight: 600; color: var(--copper-bright); }
.cfgb-results__foot { display: flex; align-items: center; justify-content: space-between; gap: var(--sp-3); flex-wrap: wrap; margin-top: var(--sp-4); }
.cfgb__disclaimer { font-size: var(--fs-0); color: var(--silk-50); max-width: 560px; }
.cfgb-results.is-invalid .cfgb-results__grid { opacity: 0.35; }
.cfgb-error { display: none; margin-top: var(--sp-3); padding: var(--sp-2) var(--sp-3); border-radius: var(--radius-sm); background: rgba(232, 131, 111, 0.14); border: 1px solid rgba(232, 131, 111, 0.4); color: var(--err); font-size: 0.92rem; }
.cfgb-results.is-invalid .cfgb-error { display: block; }

/* ---------------------------------------------------------------------
   10. Capabilities — dense datasheet spec table
   --------------------------------------------------------------------- */
.spec-table { padding: var(--sp-2) var(--sp-5); }
@media (max-width: 640px) { .spec-table { padding: var(--sp-2) var(--sp-3); } }
.spec-table__row {
	display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr); gap: var(--sp-3);
	padding: var(--sp-3) 0;
	border-bottom: 1px solid var(--silk-08);
	align-items: baseline;
}
.spec-table__row:last-child { border-bottom: none; }
.spec-table__row dt {
	font-size: 0.72rem; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: var(--silk-50);
}
.spec-table__row dd {
	font-family: var(--font-mono); font-size: var(--fs-2); font-weight: 500; color: var(--copper-bright);
	font-variant-numeric: tabular-nums;
	text-align: right;
}
@media (max-width: 640px) {
	.spec-table__row { grid-template-columns: 1fr; gap: 0.3rem; }
	.spec-table__row dd { text-align: left; font-size: var(--fs-1); }
}

/* ---------------------------------------------------------------------
   11. Services grid — different rhythm from the capabilities table
   --------------------------------------------------------------------- */
.svc-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--sp-4); }
@media (max-width: 980px) { .svc-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 640px) { .svc-grid { grid-template-columns: 1fr; } }
.svc-card { padding: var(--sp-4); display: flex; flex-direction: column; gap: var(--sp-2); }
.svc-card__icon {
	width: 54px; height: 54px; border-radius: 50%;
	background: var(--copper-dim); border: 1px solid var(--copper-dim); color: var(--copper-bright);
	display: flex; align-items: center; justify-content: center; margin-bottom: var(--sp-1);
}
.svc-card__title { font-size: var(--fs-2); }
.svc-card__title a:hover { color: var(--copper-bright); }
.svc-card__excerpt { font-size: 0.92rem; }
.svc-card__highlights { display: flex; flex-direction: column; gap: 0.5rem; margin: var(--sp-1) 0; }
.svc-card__highlights li { display: flex; align-items: flex-start; gap: 0.5em; font-size: 0.86rem; color: var(--silk-70); }
.svc-card__highlights svg { flex-shrink: 0; margin-top: 3px; color: var(--trace-green); }
.svc-card__link { display: inline-flex; align-items: center; gap: 0.35em; font-size: var(--fs-0); font-weight: 600; color: var(--silk-70); margin-top: auto; padding-top: var(--sp-2); }
.svc-card__link:hover { color: var(--copper-bright); }

/* Service archive / single support (reuses svc-card in a plain grid) */
.svc-grid.svc-grid--archive .svc-card { flex: none; }

/* ---------------------------------------------------------------------
   12. Manufacturing process — self-drawing circuit-trace rail
   --------------------------------------------------------------------- */
.process-rail { position: relative; }
.process-rail__trace { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; pointer-events: none; z-index: 0; }
.process-rail__trace path { fill: none; stroke: var(--copper); stroke-width: 2; filter: drop-shadow(0 0 5px rgba(214, 138, 76, 0.55)); }
.process-rail__trace circle { fill: var(--copper-bright); }
.process-rail__steps { position: relative; z-index: 1; display: grid; grid-template-columns: repeat(5, 1fr); gap: var(--sp-4); }
@media (max-width: 980px) { .process-rail__steps { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .process-rail__steps { grid-template-columns: 1fr; } }
.process-step { text-align: center; padding-top: var(--sp-2); }
.process-step__icon {
	display: inline-flex; align-items: center; justify-content: center;
	width: 60px; height: 60px; border-radius: 50%;
	background: var(--pcb-green-2); border: 2px solid var(--copper); color: var(--copper-bright);
	margin-bottom: var(--sp-2);
}
.process-step h3 { font-size: var(--fs-2); margin-bottom: 0.4rem; }
.process-step p { font-size: 0.88rem; }

/* ---------------------------------------------------------------------
   13. Case studies grid
   --------------------------------------------------------------------- */
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--sp-4); }
@media (max-width: 980px) { .case-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 640px) { .case-grid { grid-template-columns: 1fr; } }
.case-card { display: flex; flex-direction: column; }
.case-card__media { position: relative; aspect-ratio: 4/3; overflow: hidden; }
.case-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s var(--ease); }
.case-card:hover .case-card__media img { transform: scale(1.06); }
.case-card__media--fallback { width: 100%; height: 100%; background: linear-gradient(160deg, var(--pcb-green-3), var(--pcb-green)); }
.case-badge {
	position: absolute; top: var(--sp-2); left: var(--sp-2);
	font-size: 0.66rem; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase;
	padding: 0.4em 0.85em; border-radius: 999px;
	background: rgba(7, 28, 19, 0.75); color: var(--copper-bright); border: 1px solid rgba(214, 138, 76, 0.4);
	backdrop-filter: blur(6px);
}
.case-card__body { padding: var(--sp-3); display: flex; flex-direction: column; gap: var(--sp-2); flex: 1; }
.case-card__title { font-size: var(--fs-2); }
.case-card__title a:hover { color: var(--copper-bright); }
.case-card__excerpt { font-size: 0.9rem; }
.case-card__spec { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-2); border-top: 1px solid var(--silk-08); border-bottom: 1px solid var(--silk-08); padding: var(--sp-2) 0; }
.case-card__spec dt { font-size: 0.64rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--silk-50); }
.case-card__spec dd { margin-top: 0.2rem; font-size: 0.95rem; font-weight: 600; color: var(--silk); }
.case-card__link { display: inline-flex; align-items: center; gap: 0.35em; font-size: var(--fs-0); font-weight: 600; color: var(--silk-70); margin-top: auto; }
.case-card__link:hover { color: var(--copper-bright); }

.case-narrative { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--sp-4); margin-top: var(--sp-6); }
@media (max-width: 780px) { .case-narrative { grid-template-columns: 1fr; } }
.case-narrative__block h3 { font-size: var(--fs-1); text-transform: uppercase; letter-spacing: 0.08em; color: var(--copper-bright); margin-bottom: var(--sp-2); }
.case-narrative__block p { font-size: 0.98rem; line-height: 1.7; }

/* ---------------------------------------------------------------------
   14. Quality & certifications — horizontal badge row (different rhythm
   from the 2-col icon+text pattern used elsewhere in this catalogue)
   --------------------------------------------------------------------- */
.cert-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--sp-3); }
@media (max-width: 780px) { .cert-row { grid-template-columns: 1fr 1fr; } }
@media (max-width: 480px) { .cert-row { grid-template-columns: 1fr; } }
.cert-badge { text-align: center; padding: var(--sp-4) var(--sp-3); }
.cert-badge__icon {
	width: 64px; height: 64px; border-radius: 50%; margin: 0 auto var(--sp-2);
	display: flex; align-items: center; justify-content: center;
	background: var(--trace-green-dim); border: 1px solid var(--trace-green-dim); color: var(--trace-green);
}
.cert-badge h3 { font-size: var(--fs-1); margin-bottom: 0.5rem; }
.cert-badge p { font-size: 0.85rem; }
.quality-note { margin-top: var(--sp-5); font-size: var(--fs-0); color: var(--silk-50); max-width: 760px; }

/* ---------------------------------------------------------------------
   15. Testimonials
   --------------------------------------------------------------------- */
.t-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--sp-4); }
@media (max-width: 780px) { .t-grid { grid-template-columns: 1fr; } }
.t-card { padding: var(--sp-4); display: flex; flex-direction: column; gap: var(--sp-3); }
.t-card__mark { color: var(--copper-bright); opacity: 0.7; }
.t-card__quote { font-family: var(--font-display); font-size: var(--fs-2); font-weight: 400; line-height: 1.4; color: var(--silk); }
.t-card__meta { display: flex; flex-direction: column; margin-top: auto; padding-top: var(--sp-2); border-top: 1px solid var(--silk-08); }
.t-card__role { font-weight: 600; font-size: 0.9rem; }
.t-card__company { font-size: var(--fs-0); color: var(--copper-bright); font-weight: 600; margin-top: 0.2rem; }

/* ---------------------------------------------------------------------
   16. RFQ form
   --------------------------------------------------------------------- */
.rfq-form { padding: var(--sp-5); }
.rform-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-3); margin-bottom: var(--sp-3); }
@media (max-width: 620px) { .rform-row { grid-template-columns: 1fr; } }
.rform-row--3 { grid-template-columns: 1fr 1fr 1fr; }
@media (max-width: 780px) { .rform-row--3 { grid-template-columns: 1fr 1fr; } }
@media (max-width: 480px) { .rform-row--3 { grid-template-columns: 1fr; } }
.rform-field { margin-bottom: var(--sp-3); }
.rform-field label { display: block; font-size: var(--fs-0); font-weight: 600; letter-spacing: 0.05em; text-transform: uppercase; color: var(--silk-50); margin-bottom: 0.5rem; }
.rform-field input, .rform-field select, .rform-field textarea {
	width: 100%; padding: 0.9em 1em; border-radius: var(--radius-sm);
	background: rgba(234, 231, 220, 0.05); border: 1px solid var(--silk-14); color: var(--silk);
	transition: border-color 0.25s var(--ease);
}
.rform-field input:focus, .rform-field select:focus, .rform-field textarea:focus { outline: none; border-color: var(--copper-bright); }
.rform-field textarea { min-height: 120px; resize: vertical; }
.rform-note { font-size: var(--fs-0); color: var(--silk-50); margin-top: var(--sp-2); text-align: center; }
.rform-status { margin-top: var(--sp-3); font-size: 0.95rem; text-align: center; min-height: 1.4em; }
.rform-status.is-success { color: var(--ok); }
.rform-status.is-error { color: var(--err); }
.rform-prefill-note { display: none; margin-bottom: var(--sp-3); padding: var(--sp-2) var(--sp-3); border-radius: var(--radius-sm); background: var(--trace-green-dim); border: 1px solid var(--trace-green-dim); font-size: 0.9rem; color: var(--trace-green); }
.rform-prefill-note.is-visible { display: block; }

/* ---------------------------------------------------------------------
   17. Footer
   --------------------------------------------------------------------- */
.footer-cta { background: linear-gradient(135deg, var(--pcb-green-3), var(--pcb-green-2)); padding: var(--sp-6) 0; }
.footer-cta__inner { display: flex; align-items: center; justify-content: space-between; gap: var(--sp-4); flex-wrap: wrap; }
.footer-cta h2 { font-size: var(--fs-4); }
.footer-cta p { margin-top: 0.5rem; max-width: 480px; }

.site-footer { background: var(--board); padding: var(--sp-7) 0 var(--sp-4); border-top: 1px solid var(--silk-08); }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: var(--sp-5); }
@media (max-width: 860px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .footer-grid { grid-template-columns: 1fr; } }
.footer-grid h4 { font-size: var(--fs-0); text-transform: uppercase; letter-spacing: 0.09em; color: var(--silk-50); margin-bottom: var(--sp-2); }
.footer-grid ul { display: flex; flex-direction: column; gap: 0.6rem; }
.footer-grid a:hover { color: var(--copper-bright); }
.footer-col--brand p { max-width: 340px; margin-top: var(--sp-2); font-size: 0.92rem; }
.footer-legal { margin-top: var(--sp-6); padding-top: var(--sp-3); border-top: 1px solid var(--silk-08); display: flex; justify-content: space-between; gap: var(--sp-3); flex-wrap: wrap; font-size: 0.78rem; color: var(--silk-50); }
.footer-disclaimer { margin-top: var(--sp-3); font-size: 0.75rem; color: var(--silk-30); max-width: 900px; line-height: 1.6; }

/* ---------------------------------------------------------------------
   18. Single service / case study + archives
   --------------------------------------------------------------------- */
.svc-hero, .case-hero { padding-top: var(--sp-6); }
.svc-hero__media, .case-hero__media { position: relative; border-radius: var(--radius-lg); overflow: hidden; aspect-ratio: 16/9; margin-top: var(--sp-4); }
.svc-hero__media img, .case-hero__media img { width: 100%; height: 100%; object-fit: cover; }
.svc-hero__media--fallback, .case-hero__media--fallback { width: 100%; height: 100%; background: linear-gradient(160deg, var(--pcb-green-3), var(--pcb-green)); }

.svc-content, .case-content { max-width: 780px; margin: var(--sp-6) auto 0; font-size: var(--fs-2); line-height: 1.75; }
.svc-content p, .case-content p { margin-bottom: var(--sp-3); color: var(--silk-70); }
.svc-highlight-list { display: flex; flex-direction: column; gap: var(--sp-2); margin: var(--sp-4) 0; max-width: 780px; margin-left: auto; margin-right: auto; }
.svc-highlight-list li { display: flex; align-items: flex-start; gap: 0.6em; font-size: var(--fs-1); }
.svc-highlight-list svg { flex-shrink: 0; margin-top: 4px; color: var(--copper-bright); }

.case-spec-strip { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--sp-3); margin-top: var(--sp-5); }
@media (max-width: 640px) { .case-spec-strip { grid-template-columns: 1fr; } }
.case-spec-strip__item { padding: var(--sp-3); text-align: center; }
.case-spec-strip__item dt { font-size: 0.68rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--silk-50); }
.case-spec-strip__item dd { margin-top: 0.3rem; font-family: var(--font-mono); font-size: var(--fs-3); font-weight: 600; color: var(--copper-bright); }

/* ---------------------------------------------------------------------
   19. Generic content: blog, page, 404, search, comments
   --------------------------------------------------------------------- */
.post-header { max-width: 780px; margin: 0 auto var(--sp-5); text-align: center; }
.post-header h1 { margin-top: var(--sp-2); }
.post-meta { margin-top: var(--sp-2); font-size: var(--fs-0); color: var(--silk-50); text-transform: uppercase; letter-spacing: 0.06em; }
.post-featured { border-radius: var(--radius-lg); overflow: hidden; margin-bottom: var(--sp-6); aspect-ratio: 16/8; }
.post-featured img { width: 100%; height: 100%; object-fit: cover; }
.entry-content { max-width: 720px; margin: 0 auto; font-size: var(--fs-2); line-height: 1.75; }
.entry-content p { margin-bottom: var(--sp-3); color: var(--silk-70); }
.entry-content h2, .entry-content h3 { margin: var(--sp-5) 0 var(--sp-2); }
.entry-content a { color: var(--copper-bright); text-decoration: underline; text-underline-offset: 3px; }

.page-content { max-width: 780px; margin: 0 auto; font-size: var(--fs-2); line-height: 1.75; }
.page-content p { margin-bottom: var(--sp-3); color: var(--silk-70); }

.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--sp-4); }
@media (max-width: 860px) { .card-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .card-grid { grid-template-columns: 1fr; } }
.post-card { display: flex; flex-direction: column; }
.post-card__media { aspect-ratio: 4/3; overflow: hidden; }
.post-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s var(--ease); }
.post-card:hover .post-card__media img { transform: scale(1.06); }
.post-card__media--fallback { width: 100%; height: 100%; background: linear-gradient(160deg, var(--pcb-green-3), var(--pcb-green)); }
.post-card__body { padding: var(--sp-3); }
.post-card__date { font-size: var(--fs-0); text-transform: uppercase; letter-spacing: 0.06em; color: var(--silk-50); }
.post-card__title { margin-top: 0.5rem; font-size: var(--fs-2); }
.post-card__excerpt { margin-top: 0.5rem; font-size: 0.92rem; }

.error-404 { text-align: center; padding: var(--sp-7) 0; }
.error-404__code { font-family: var(--font-mono); font-size: clamp(4rem, 3rem + 6vw, 9rem); font-weight: 700; color: transparent; -webkit-text-stroke: 2px var(--copper-bright); line-height: 1; }
.error-404 .btn { margin-top: var(--sp-4); }

.search-form { display: flex; gap: var(--sp-2); max-width: 560px; margin: var(--sp-4) auto 0; }
.search-form input[type="search"] { flex: 1; padding: 0.9em 1.2em; border-radius: 999px; background: rgba(234, 231, 220, 0.05); border: 1px solid var(--silk-14); color: var(--silk); }
.search-form input[type="search"]:focus { outline: none; border-color: var(--copper-bright); }
.search-form button { border-radius: 999px; }

.comments-area { max-width: 720px; margin: var(--sp-6) auto 0; }
.comments-title { margin-bottom: var(--sp-4); }
.comment-list { display: flex; flex-direction: column; gap: var(--sp-3); }
.comment-list .children { margin-left: var(--sp-4); margin-top: var(--sp-3); }
.comment-body { padding: var(--sp-3); border-radius: var(--radius-sm); background: var(--pcb-green-2); border: 1px solid var(--silk-08); }
.comment-author { font-weight: 600; font-size: 0.92rem; }
.comment-metadata { font-size: 0.78rem; color: var(--silk-50); margin-bottom: 0.5rem; }
.comment-respond { margin-top: var(--sp-5); }
.comment-form p { margin-bottom: var(--sp-3); }
.comment-form input, .comment-form textarea {
	width: 100%; padding: 0.9em 1em; border-radius: var(--radius-sm);
	background: rgba(234, 231, 220, 0.05); border: 1px solid var(--silk-14); color: var(--silk);
}
.comment-form textarea { min-height: 120px; }

/* ---------------------------------------------------------------------
   20. Directional scroll-reveal
   --------------------------------------------------------------------- */
.reveal { opacity: 0; transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); will-change: opacity, transform; }
.reveal--up { transform: translateY(36px); }
.reveal--left { transform: translateX(-36px); }
.reveal--right { transform: translateX(36px); }
.reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { transition: none; opacity: 1; transform: none; } }

/* Staggered reveal within repeated card grids. */
.svc-grid .svc-card.reveal,
.case-grid .case-card.reveal,
.cert-row .cert-badge.reveal,
.t-grid .t-card.reveal,
.card-grid .post-card.reveal {
	transition-delay: calc(var(--stagger-i, 0) * 70ms);
}
.svc-grid .svc-card:nth-child(1), .case-grid .case-card:nth-child(1), .cert-row .cert-badge:nth-child(1), .t-grid .t-card:nth-child(1), .card-grid .post-card:nth-child(1) { --stagger-i: 0; }
.svc-grid .svc-card:nth-child(2), .case-grid .case-card:nth-child(2), .cert-row .cert-badge:nth-child(2), .t-grid .t-card:nth-child(2), .card-grid .post-card:nth-child(2) { --stagger-i: 1; }
.svc-grid .svc-card:nth-child(3), .case-grid .case-card:nth-child(3), .cert-row .cert-badge:nth-child(3), .card-grid .post-card:nth-child(3) { --stagger-i: 2; }
.cert-row .cert-badge:nth-child(4) { --stagger-i: 3; }

/* ---------------------------------------------------------------------
   21. Misc utility
   --------------------------------------------------------------------- */
.center { text-align: center; }
.mt-5 { margin-top: var(--sp-5); }