/* ==========================================================================
   Make-along: one piece goes from sketch to delivery on a cutting mat.
   ========================================================================== */

.qc-process {
	padding: var(--top, var(--section)) var(--gutter) var(--section);
	background-color: var(--sand);
	/* A cutting mat grid. */
	background-image:
		linear-gradient(rgba(51, 32, 27, 0.05) 1px, transparent 1px),
		linear-gradient(90deg, rgba(51, 32, 27, 0.05) 1px, transparent 1px);
	background-size: 24px 24px;
	background-position: -1px -1px;
}

.qc-process__grid {
	display: grid;
	grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
	gap: clamp(2rem, 6vw, 6rem);
	max-width: var(--max);
	margin-inline: auto;
}

.qc-process__stage-wrap { position: relative; }
.qc-process__stage {
	position: sticky;
	top: calc(var(--hd) + 4svh);
	display: grid;
	place-items: center;
	height: calc(92svh - var(--hd));
}

.qc-proc { position: relative; width: min(100%, 560px); }
.qc-proc__piece { position: relative; }

.qc-proc__sheet {
	position: relative;
	display: grid;
	place-items: center;
	aspect-ratio: 100 / 44;
	container-type: inline-size;
	border-radius: 4px;
	transition: background-color 700ms var(--ease-out), box-shadow 700ms var(--ease-out), transform 800ms var(--ease-mount);
}
.qc-proc__words {
	position: relative;
	z-index: 2;
	max-width: 86%;
	font: 400 clamp(1.6rem, 7cqi, 3.2rem)/1.05 var(--f-display);
	text-align: center;
	overflow-wrap: anywhere;
	transition: color 700ms, text-shadow 700ms, opacity 700ms;
}
.qc-proc__cut { position: absolute; inset: -1px; width: calc(100% + 2px); height: calc(100% + 2px); overflow: visible; pointer-events: none; }
.qc-proc__cut rect { fill: none; stroke: none; stroke-width: 2; vector-effect: non-scaling-stroke; stroke-dasharray: 1; stroke-dashoffset: 1; }
.qc-proc__sheet .qc-bolts { --b: 13px; --o: 14px; }
.qc-proc__sheet .qc-bolts i { opacity: 0; transform: rotate(-150deg) scale(1.6); transition: opacity 300ms, transform 520ms var(--ease-out); }
.qc-proc__wrap {
	position: absolute;
	inset: -6px;
	z-index: 4;
	border-radius: 5px;
	background-color: var(--kraft);
	background-image: url("../img/kraft-print.png"), repeating-linear-gradient(97deg, rgba(255, 255, 255, 0.04) 0 2px, transparent 2px 7px);
	background-size: 176px, auto;
	box-shadow: 6px 10px 20px -8px rgba(51, 32, 27, 0.4);
	clip-path: inset(0 0 0 100%);
	transition: clip-path 900ms var(--ease-cut);
}

.qc-proc__dim {
	position: absolute;
	display: flex;
	align-items: center;
	justify-content: center;
	color: var(--graphite);
	font: 600 0.75rem/1 var(--f-text);
	opacity: 0;
	transition: opacity 500ms var(--ease-out);
}
.qc-proc__dim::before { content: ""; position: absolute; background: currentColor; opacity: 0.6; }
.qc-proc__dim span { position: relative; padding: 0.2rem 0.5rem; background: var(--sand); }
.qc-proc__dim--w { left: 0; right: 0; top: -2.2rem; height: 1rem; }
.qc-proc__dim--w::before { left: 0; right: 0; height: 1px; top: 50%; }
.qc-proc__dim--h { top: 0; bottom: 0; right: -2.6rem; width: 1rem; }
.qc-proc__dim--h::before { top: 0; bottom: 0; width: 1px; left: 50%; }
.qc-proc__dim--h span { writing-mode: vertical-rl; }

.qc-proc__stamp {
	position: absolute;
	right: -0.5rem;
	bottom: -3rem;
	padding: 0.4rem 0.75rem;
	border: 1.5px solid var(--kraft);
	border-radius: 3px;
	color: var(--kraft);
	font: 600 0.8rem/1 var(--f-text);
	transform: rotate(-5deg) scale(1.4);
	opacity: 0;
	transition: opacity 300ms, transform 500ms var(--ease-mount);
}
.qc-proc__label {
	position: absolute;
	left: 50%;
	bottom: -3.4rem;
	z-index: 5;
	padding: 0.45rem 0.9rem;
	border-radius: 999px;
	background: var(--ink);
	color: var(--white);
	font: 600 0.8rem/1 var(--f-text);
	white-space: nowrap;
	transform: translate(-50%, 10px);
	opacity: 0;
	transition: opacity 400ms, transform 600ms var(--ease-mount);
}

.qc-proc__ticket {
	position: absolute;
	left: 8%;
	right: 22%;
	top: calc(100% + 1rem);
	display: grid;
	gap: 0.35rem;
	padding: 1rem 1.2rem 1rem 2.4rem;
	border-radius: 3px;
	background-color: var(--kraft);
	background-image: url("../img/kraft-print.png");
	background-size: 176px;
	color: var(--white);
	font-size: 0.85rem;
	box-shadow: 6px 10px 20px -10px rgba(51, 32, 27, 0.45);
	transform: translateY(24px) rotate(-3deg);
	opacity: 0;
	transition: opacity 500ms var(--ease-out), transform 700ms var(--ease-mount);
}
.qc-proc__ticket-hole { position: absolute; left: 0.9rem; top: 1.1rem; width: 9px; height: 9px; border-radius: 50%; background: var(--sand); }
.qc-proc__ticket-row b { display: inline-block; min-width: 4.2rem; font-weight: 600; opacity: 0.75; }

/* States. Each is a real step of the ordering process. */

/* 1. Choose: a pencil sketch. */
.qc-process__stage[data-state="sketch"] .qc-proc__sheet { box-shadow: inset 0 0 0 1.5px transparent; background-image: none; outline: 1.5px dashed rgba(110, 80, 72, 0.6); outline-offset: -1px; }
.qc-process__stage[data-state="sketch"] .qc-proc__words { color: rgba(110, 80, 72, 0.7); }

/* 2. Request a quote: the job ticket arrives. */
.qc-process__stage[data-state="ticket"] .qc-proc__sheet { outline: 1.5px dashed rgba(110, 80, 72, 0.6); outline-offset: -1px; }
.qc-process__stage[data-state="ticket"] .qc-proc__words { color: rgba(110, 80, 72, 0.7); }
.qc-process__stage[data-state="ticket"] .qc-proc__ticket { opacity: 1; transform: rotate(-2deg); }

/* 3. Design: a mockup for approval. */
.qc-process__stage[data-state="mockup"] .qc-proc__sheet { background: var(--white); box-shadow: inset 0 0 0 1px var(--ink); }
.qc-process__stage[data-state="mockup"] .qc-proc__words { color: var(--ink); }
.qc-process__stage[data-state="mockup"] .qc-proc__dim { opacity: 1; }
.qc-process__stage[data-state="mockup"] .qc-proc__stamp { opacity: 1; transform: rotate(-5deg); }
.qc-process__stage[data-state="mockup"] .qc-proc__ticket { opacity: 0.4; transform: translate(-8%, 18px) rotate(-5deg) scale(0.9); }

/* 4. Production: cut, etched, mounted. */
.qc-process__stage[data-state="made"] .qc-proc__sheet,
.qc-process__stage[data-state="packed"] .qc-proc__sheet {
	background: linear-gradient(118deg, rgba(255, 255, 255, 0.85), rgba(255, 255, 255, 0.35) 40%, rgba(255, 255, 255, 0.55));
	box-shadow:
		inset 0 0 0 1px rgba(255, 255, 255, 0.9),
		inset -3px -4px 0 rgba(235, 202, 180, 0.7),
		16px 26px 40px -20px rgba(51, 32, 27, 0.45);
	transform: translate(-4px, -8px);
}
.qc-process__stage[data-state="made"] .qc-proc__words,
.qc-process__stage[data-state="packed"] .qc-proc__words {
	color: rgba(255, 255, 255, 0.95);
	text-shadow: 0 1px 1px rgba(51, 32, 27, 0.55), 0 0 1px rgba(51, 32, 27, 0.7);
}
.qc-process__stage[data-state="made"] .qc-proc__cut rect { stroke: var(--edge); animation: qc-trace 1000ms var(--ease-cut) forwards; filter: drop-shadow(0 0 5px var(--edge)); }
.qc-process__stage[data-state="made"] .qc-bolts i,
.qc-process__stage[data-state="packed"] .qc-bolts i { opacity: 1; transform: none; transition-delay: calc(500ms + var(--bi, 0) * 80ms); }
.qc-proc__sheet .qc-bolts i:nth-child(2) { --bi: 1; }
.qc-proc__sheet .qc-bolts i:nth-child(3) { --bi: 2; }
.qc-proc__sheet .qc-bolts i:nth-child(4) { --bi: 3; }
.qc-process__stage[data-state="made"] .qc-proc__ticket,
.qc-process__stage[data-state="packed"] .qc-proc__ticket { opacity: 0; }

/* 5. Delivery: wrapped in kraft and labelled. */
.qc-process__stage[data-state="packed"] .qc-proc__wrap { clip-path: inset(0 0 0 0); }
.qc-process__stage[data-state="packed"] .qc-proc__label { opacity: 1; transform: translate(-50%, 0); }
.qc-process__stage[data-state="packed"] .qc-proc__piece { transform: scale(0.94) rotate(-1.5deg); transition: transform 900ms var(--ease-mount); }
.qc-proc__piece { transition: transform 700ms var(--ease-out); }

/* ---------- The steps ---------- */

.qc-process__head { padding-top: 2rem; }
.qc-process__head h2 { margin: 0.6rem 0 1rem; max-width: 12ch; }
.qc-process__head p { color: var(--graphite); max-width: 44ch; }
.qc-process__steps { margin-top: 4rem; }
.qc-process__step {
	display: grid;
	grid-template-columns: 4.5rem minmax(0, 1fr);
	column-gap: 1rem;
	padding: 2rem 0 16svh;
	border-top: 1px solid var(--paper-line);
	transition: opacity 500ms var(--ease-out);
}
.qc-motion .qc-process__step { opacity: 0.35; }
.qc-motion .qc-process__step.is-current { opacity: 1; }
.qc-process__step:last-child { padding-bottom: 8svh; }
.qc-process__num {
	grid-row: span 2;
	color: transparent;
	-webkit-text-stroke: 1px var(--ink);
	font-family: var(--f-text);
	font-stretch: 75%;
	font-weight: 640;
	font-size: 3.4rem;
	line-height: 0.85;
	letter-spacing: -0.03em;
	transition: color 500ms;
}
.qc-process__step.is-current .qc-process__num { color: var(--ink); }
.qc-process__step h3 { font-size: 1.6rem; }
.qc-process__step p { margin-top: 0.6rem; color: var(--graphite); max-width: 46ch; }

.qc-process__notes { display: grid; gap: 0; margin: 0; border-top: 2px solid var(--ink); }
.qc-process__notes > div { padding: 1.25rem 0; border-bottom: 1px solid var(--paper-line); }
.qc-process__notes dt { font: 400 1.3rem/1.2 var(--f-display); }
.qc-process__notes dd { margin: 0.45rem 0 0; color: var(--graphite); max-width: 50ch; }

/* ---------- Compact (product pages): steps only, in a row ---------- */

.qc-process--compact { padding-block: clamp(3.5rem, 7vw, 6rem); }
.qc-process--compact .qc-process__grid { grid-template-columns: 1fr; }
.qc-process--compact .qc-process__stage-wrap { display: none; }
.qc-process--compact .qc-process__steps { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 1.5rem; margin-top: 2.5rem; }
.qc-process--compact .qc-process__step { display: block; padding: 1.25rem 0 0; opacity: 1; }
.qc-process--compact .qc-process__num { font-size: 2.4rem; color: var(--ink); display: block; margin-bottom: 0.75rem; }
.qc-process--compact .qc-process__step h3 { font-size: 1.25rem; }
.qc-process--compact .qc-process__step p { font-size: 0.95rem; }
.qc-process--compact .qc-process__head { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 1rem 4rem; align-items: end; padding-top: 0; }
.qc-process--compact .qc-process__head .qc-micro { grid-column: 1 / -1; }
@media (max-width: 1000px) {
	.qc-process--compact .qc-process__steps { grid-template-columns: 1fr 1fr; }
	.qc-process--compact .qc-process__head { grid-template-columns: 1fr; }
}
@media (max-width: 560px) { .qc-process--compact .qc-process__steps { grid-template-columns: 1fr; } }

/* ---------- Mobile: the stage stays pinned above the steps ---------- */

@media (max-width: 900px) {
	.qc-process:not(.qc-process--compact) .qc-process__grid { grid-template-columns: 1fr; gap: 0; }
	.qc-process:not(.qc-process--compact) .qc-process__stage-wrap { order: 2; position: sticky; top: var(--hd); z-index: 3; margin-inline: calc(var(--gutter) * -1); background: inherit; }
	.qc-process:not(.qc-process--compact) .qc-process__stage {
		position: relative;
		top: 0;
		height: 40svh;
		padding: 2.5rem calc(var(--gutter) + 2rem) 3.5rem;
		background-color: rgba(232, 214, 203, 0.94);
		-webkit-backdrop-filter: blur(6px);
		backdrop-filter: blur(6px);
		box-shadow: inset 0 -1px 0 var(--paper-line);
	}
	.qc-process:not(.qc-process--compact) .qc-process__copy { display: contents; }
	.qc-process__head { order: 1; padding: 0 0 2rem; }
	.qc-process__steps { order: 3; margin-top: 0; }
	.qc-process__notes { order: 4; margin-top: 2rem; }
	.qc-process__step { padding-bottom: 22svh; grid-template-columns: 3.2rem minmax(0, 1fr); }
	.qc-process__num { font-size: 2.6rem; }
	.qc-proc { width: min(100%, 360px); }
	.qc-proc__ticket { display: none; }
	.qc-proc__stamp { bottom: -2.2rem; }
	.qc-proc__dim--h { display: none; }
}