/* =========================================================================
   Farbstoffe Milestones — Cinematic view (Montfort-style)
   Full-bleed, full-screen pinned chapters · oversized year watermark
   · parallax imagery · fixed chapter index · smooth (Lenis) scrolling.
   Scoped under .fb-cin.
   ========================================================================= */

@import url('https://fonts.googleapis.com/css2?family=Archivo:wght@500;600;700;800;900&family=Inter:wght@400;500;600&display=swap');

.fb-cin {
	--fb-bg:        #08090C;
	--fb-text:      #F3F4F2;
	--fb-text-soft: rgba(243, 244, 242, 0.62);
	--fb-text-mute: rgba(243, 244, 242, 0.40);
	--fb-line:      rgba(243, 244, 242, 0.18);
	--fb-accent:    #6C5CE7; /* per-chapter, set inline */

	--fb-display: "Archivo", ui-sans-serif, "Segoe UI", system-ui, sans-serif;
	--fb-body:    "Inter", ui-sans-serif, -apple-system, "Segoe UI", Roboto, system-ui, sans-serif;

	/* Break out of a constrained theme container → true full-bleed */
	position: relative;
	left: 50%;
	right: 50%;
	width: 100vw;
	margin-left: -50vw;
	margin-right: -50vw;

	box-sizing: border-box;
	overflow-x: clip;
	background: var(--fb-bg);
	color: var(--fb-text);
	font-family: var(--fb-body);
	-webkit-font-smoothing: antialiased;
}
.fb-cin *,
.fb-cin *::before,
.fb-cin *::after { box-sizing: border-box; }

/* ----------------------------------------------------------------------
   Hero
   ---------------------------------------------------------------------- */
.fb-cin__hero {
	position: relative;
	height: 100vh;
	height: 100svh;
	display: grid;
	place-items: center;
	text-align: center;
	overflow: hidden;
	padding: 24px;
}
.fb-cin__hero-bg {
	position: absolute;
	inset: 0;
	background: var(--fb-cin-hero, none) center / cover no-repeat,
		radial-gradient(120% 90% at 50% 0%, #15171F 0%, #08090C 70%);
	transform: scale(1.08);
}
.fb-cin__hero::after { /* legibility scrim */
	content: "";
	position: absolute;
	inset: 0;
	background: linear-gradient(180deg, rgba(8,9,12,0.55), rgba(8,9,12,0.78));
}
.fb-cin__hero-inner { position: relative; z-index: 2; max-width: 18ch; }
.fb-cin__hero-title {
	font-family: var(--fb-display);
	font-weight: 800;
	font-size: clamp(2.6rem, 9vw, 8rem);
	line-height: 0.94;
	letter-spacing: -0.03em;
	margin: 0;
	text-transform: uppercase;
}
.fb-cin__hero-intro {
	margin: 22px auto 0;
	max-width: 52ch;
	font-size: clamp(1rem, 1.6vw, 1.25rem);
	color: var(--fb-text-soft);
	text-transform: none;
}
.fb-cin__cue {
	position: absolute;
	left: 50%;
	bottom: 34px;
	transform: translateX(-50%);
	z-index: 2;
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: 10px;
}
.fb-cin__cue-word {
	font-family: var(--fb-display);
	font-size: 0.72rem;
	font-weight: 600;
	letter-spacing: 0.32em;
	text-transform: uppercase;
	color: var(--fb-text-mute);
}
.fb-cin__cue-line {
	width: 1px;
	height: 46px;
	background: linear-gradient(180deg, var(--fb-text-mute), transparent);
	position: relative;
	overflow: hidden;
}
.fb-cin__cue-line::after {
	content: "";
	position: absolute;
	top: -50%;
	left: 0;
	width: 100%;
	height: 50%;
	background: var(--fb-text);
	animation: fb-cue 1.8s ease-in-out infinite;
}
@keyframes fb-cue { 0% { transform: translateY(-100%); } 60%,100% { transform: translateY(300%); } }

/* ----------------------------------------------------------------------
   Fixed chapter index (right) + progress rail (left)
   ---------------------------------------------------------------------- */
.fb-cin__index {
	position: fixed;
	top: 50%;
	right: clamp(18px, 3vw, 44px);
	transform: translateY(-50%);
	z-index: 30;
	display: flex;
	flex-direction: column;
	gap: 14px;
	pointer-events: auto;
	mix-blend-mode: difference; /* stays legible over any image */
}
.fb-cin__index-item {
	display: flex;
	align-items: baseline;
	gap: 10px;
	background: none;
	border: 0;
	padding: 0;
	cursor: pointer;
	color: #fff;
	opacity: 0.4;
	transition: opacity .3s ease;
	font-family: var(--fb-display);
}
.fb-cin__index-item:hover { opacity: 0.8; }
.fb-cin__index-item.is-active { opacity: 1; }
.fb-cin__index-num {
	font-size: 0.7rem;
	font-weight: 700;
	letter-spacing: 0.06em;
	width: 1.6em;
	text-align: right;
}
.fb-cin__index-year {
	font-size: 0.78rem;
	font-weight: 600;
	max-width: 0;
	overflow: hidden;
	white-space: nowrap;
	opacity: 0;
	transition: max-width .35s ease, opacity .35s ease;
}
.fb-cin__index-item.is-active .fb-cin__index-year,
.fb-cin__index-item:hover   .fb-cin__index-year { max-width: 7ch; opacity: 1; }

.fb-cin__progress {
	position: fixed;
	top: 0;
	left: 0;
	width: 3px;
	height: 100vh;
	height: 100svh;
	z-index: 30;
	background: rgba(255,255,255,0.08);
}
.fb-cin__progress-bar {
	display: block;
	width: 100%;
	height: 100%;
	background: var(--fb-accent);
	transform: scaleY(0);
	transform-origin: top;
}

/* ----------------------------------------------------------------------
   Chapters — each pins via sticky for a dwell, then releases
   ---------------------------------------------------------------------- */
.fb-cin__chapter {
	position: relative;
	min-height: 165vh; /* room for the sticky stage to dwell */
}
.fb-cin__stage {
	position: sticky;
	top: 0;
	height: 100vh;
	height: 100svh;
	overflow: hidden;
	display: flex;
	align-items: flex-end;
}
.fb-cin__bg {
	position: absolute;
	inset: 0;
	background: #111 center / cover no-repeat;
	transform: scale(1.16);
	will-change: transform;
}
.fb-cin__scrim {
	position: absolute;
	inset: 0;
	background:
		linear-gradient(180deg, rgba(8,9,12,0.30) 0%, rgba(8,9,12,0.05) 32%, rgba(8,9,12,0.85) 100%),
		linear-gradient(90deg, rgba(8,9,12,0.55) 0%, transparent 55%);
}

.fb-cin__year {
	position: absolute;
	top: clamp(40px, 8vh, 96px);
	right: clamp(-10px, 2vw, 40px);
	font-family: var(--fb-display);
	font-weight: 900;
	font-size: clamp(5rem, 24vw, 22rem);
	line-height: 0.8;
	letter-spacing: -0.04em;
	color: transparent;
	-webkit-text-stroke: 1.5px rgba(243,244,242,0.22);
	text-stroke: 1.5px rgba(243,244,242,0.22);
	pointer-events: none;
	user-select: none;
	white-space: nowrap;
}

.fb-cin__content {
	position: relative;
	z-index: 3;
	width: min(640px, 90vw);
	padding: clamp(28px, 5vw, 84px);
	padding-bottom: clamp(64px, 12vh, 140px);
}
.fb-cin__chapter-num {
	display: inline-block;
	font-family: var(--fb-display);
	font-size: 0.74rem;
	font-weight: 600;
	letter-spacing: 0.18em;
	color: var(--fb-text-mute);
	margin-bottom: 18px;
}
.fb-cin__eyebrow {
	display: block;
	font-family: var(--fb-display);
	font-size: 0.76rem;
	font-weight: 700;
	letter-spacing: 0.22em;
	text-transform: uppercase;
	color: var(--fb-accent);
	margin-bottom: 14px;
}
.fb-cin__title {
	font-family: var(--fb-display);
	font-weight: 700;
	font-size: clamp(1.9rem, 4.4vw, 3.6rem);
	line-height: 1.04;
	letter-spacing: -0.02em;
	margin: 0 0 18px;
}
.fb-cin__text {
	font-size: clamp(1rem, 1.4vw, 1.18rem);
	line-height: 1.7;
	color: var(--fb-text-soft);
	max-width: 52ch;
}
.fb-cin__text > :first-child { margin-top: 0; }
.fb-cin__text > :last-child  { margin-bottom: 0; }
.fb-cin__text a { color: var(--fb-text); text-decoration: underline; text-underline-offset: 3px; }

/* ----------------------------------------------------------------------
   Mobile
   ---------------------------------------------------------------------- */
@media (max-width: 768px) {
	.fb-cin__index { display: none; }
	.fb-cin__chapter { min-height: 130vh; min-height: 130svh; }
	.fb-cin__year { font-size: clamp(4rem, 34vw, 9rem); right: -4px; }
	.fb-cin__content { width: 100%; }
}

/* ----------------------------------------------------------------------
   Animation gating — fully visible without JS; hidden only once the
   engine confirms it can animate (.is-enhanced).
   ---------------------------------------------------------------------- */
.fb-cin.is-enhanced .fb-cin__content > * { opacity: 0; }
.fb-cin.is-enhanced .fb-cin__year { opacity: 0; }

/* ----------------------------------------------------------------------
   Reduced motion — show everything, drop the drift and looping cue
   ---------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
	.fb-cin.is-enhanced .fb-cin__content > *,
	.fb-cin.is-enhanced .fb-cin__year { opacity: 1; }
	.fb-cin__bg { transform: scale(1.04); }
	.fb-cin__cue-line::after { animation: none; }
}

.fb-cin__index-item:focus-visible {
	outline: 2px solid #fff;
	outline-offset: 4px;
}

/* =========================================================================
   Background scenes — original, license-free industry motifs.
   Accent comes from --fb-accent (gradient wash); the motif is a white overlay.
   Used by the cinematic .fb-cin__bg when a milestone has no featured image.
   ========================================================================= */
.fb-scene { background:#0a0c12; }
.fb-scene::before {
	content:""; position:absolute; inset:0;
	background:
		radial-gradient(120% 120% at 20% 10%, color-mix(in srgb, var(--fb-accent) 58%, transparent), transparent 60%),
		radial-gradient(120% 120% at 86% 92%, color-mix(in srgb, var(--fb-accent) 30%, transparent), transparent 55%),
		linear-gradient(155deg, #141823 0%, #07080c 72%);
}
.fb-scene::after {
	content:""; position:absolute; inset:0;
	opacity:.16; background-repeat:repeat;
}
.fb-scene--molecule::after { background-image:url("data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSI1NiIgaGVpZ2h0PSI1NiI+PGcgZmlsbD0ibm9uZSIgc3Ryb2tlPSIjZmZmZmZmIiBzdHJva2Utd2lkdGg9IjEiPjxwYXRoIGQ9Ik0yOCA2IEw1MCAxOSBMMjggMzEgTDYgMTkgWiBNMjggMzEgTDI4IDU2IE01MCAxOSBMNTYgMTYgTTYgMTkgTDAgMTYgTTI4IDYgTDI4IDAiLz48L2c+PGcgZmlsbD0iI2ZmZmZmZiI+PGNpcmNsZSBjeD0iMjgiIGN5PSI2IiByPSIyLjMiLz48Y2lyY2xlIGN4PSI1MCIgY3k9IjE5IiByPSIyLjMiLz48Y2lyY2xlIGN4PSI2IiBjeT0iMTkiIHI9IjIuMyIvPjxjaXJjbGUgY3g9IjI4IiBjeT0iMzEiIHI9IjIuMyIvPjwvZz48L3N2Zz4="); background-size:56px 56px; }
.fb-scene--weave::after { background-image:url("data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIyMiIgaGVpZ2h0PSIyMiI+PGcgc3Ryb2tlPSIjZmZmZmZmIiBzdHJva2Utd2lkdGg9IjEiIGZpbGw9Im5vbmUiPjxwYXRoIGQ9Ik0wIDUgSDIyIE0wIDE2IEgyMiBNNSAwIFYyMiBNMTYgMCBWMjIiLz48L2c+PC9zdmc+"); background-size:22px 22px; }
.fb-scene--droplet::after { background-image:url("data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSI5MiIgaGVpZ2h0PSI5MiI+PGcgZmlsbD0ibm9uZSIgc3Ryb2tlPSIjZmZmZmZmIiBzdHJva2Utd2lkdGg9IjEiPjxjaXJjbGUgY3g9IjIwIiBjeT0iMjQiIHI9IjEwIi8+PGNpcmNsZSBjeD0iNjYiIGN5PSI2MCIgcj0iMTUiLz48Y2lyY2xlIGN4PSI3NCIgY3k9IjE4IiByPSI1Ii8+PGNpcmNsZSBjeD0iMzAiIGN5PSI3MiIgcj0iNyIvPjwvZz48ZyBmaWxsPSIjZmZmZmZmIj48Y2lyY2xlIGN4PSIyMCIgY3k9IjI0IiByPSIyIi8+PGNpcmNsZSBjeD0iNjYiIGN5PSI2MCIgcj0iMi40Ii8+PGNpcmNsZSBjeD0iNDgiIGN5PSI0NCIgcj0iMS41Ii8+PC9nPjwvc3ZnPg=="); background-size:92px 92px; }
.fb-scene--ink::after { background-image:url("data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIxOCIgaGVpZ2h0PSIxOCI+PGNpcmNsZSBjeD0iOSIgY3k9IjkiIHI9IjIuMSIgZmlsbD0iI2ZmZmZmZiIvPjwvc3ZnPg=="); background-size:18px 18px; }
.fb-scene--wave::after { background-image:url("data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSI4MCIgaGVpZ2h0PSIyOCI+PHBhdGggZD0iTTAgMTQgUTIwIDIgNDAgMTQgVDgwIDE0IiBmaWxsPSJub25lIiBzdHJva2U9IiNmZmZmZmYiIHN0cm9rZS13aWR0aD0iMS4zIi8+PC9zdmc+"); background-size:80px 28px; }
.fb-scene--factory::after { background-image:url("data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSI2MCIgaGVpZ2h0PSI0MCI+PGcgZmlsbD0ibm9uZSIgc3Ryb2tlPSIjZmZmZmZmIiBzdHJva2Utd2lkdGg9IjEuMiI+PHBhdGggZD0iTTAgMjYgTDEyIDE0IEwxMiAyNiBMMjQgMTQgTDI0IDI2IEwzNiAxNCBMMzYgMjYgTDQ4IDE0IEw0OCAyNiBMNjAgMTQiLz48cGF0aCBkPSJNMCAyNiBINjAgTTAgNDAgSDYwIi8+PHBhdGggZD0iTTEwIDQwIFYzMiBNMjIgNDAgVjMyIE0zNCA0MCBWMzIgTTQ2IDQwIFYzMiIvPjwvZz48L3N2Zz4="); background-size:60px 40px; }
.fb-scene--enzyme::after { background-image:url("data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSI3MiIgaGVpZ2h0PSI3MiI+PGcgZmlsbD0ibm9uZSIgc3Ryb2tlPSIjZmZmZmZmIiBzdHJva2Utd2lkdGg9IjEuMiI+PHBhdGggZD0iTTE4IDE0IEMzMCA0IDQ0IDEyIDQwIDI2IEMzNiA0MCAxMiAzNiAxNCAyMiBDMTUgMTYgMTggMTQgMTggMTQgWiIvPjxlbGxpcHNlIGN4PSI1MiIgY3k9IjUyIiByeD0iMTMiIHJ5PSI4IiB0cmFuc2Zvcm09InJvdGF0ZSgtMjUgNTIgNTIpIi8+PHBhdGggZD0iTTggNTQgcTEwIC04IDIwIDAiLz48L2c+PC9zdmc+"); background-size:72px 72px; }
.fb-scene--seal::after { background-image:url("data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIxMDAiIGhlaWdodD0iMTAwIj48ZyBmaWxsPSJub25lIiBzdHJva2U9IiNmZmZmZmYiIHN0cm9rZS13aWR0aD0iMSI+PGNpcmNsZSBjeD0iNTAiIGN5PSI1MCIgcj0iMzAiLz48Y2lyY2xlIGN4PSI1MCIgY3k9IjUwIiByPSIyMiIvPjxwYXRoIGQ9Ik00MCA1MCBsNyA4IGwxNCAtMTYiLz48L2c+PC9zdmc+"); background-size:100px 100px; }
.fb-scene--trade::after { background-image:url("data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSI0MCIgaGVpZ2h0PSI0MCI+PGcgZmlsbD0ibm9uZSIgc3Ryb2tlPSIjZmZmZmZmIiBzdHJva2Utd2lkdGg9IjEuNCI+PHBhdGggZD0iTTYgMjYgTDIwIDEyIEwzNCAyNiIvPjxwYXRoIGQ9Ik02IDM2IEwyMCAyMiBMMzQgMzYiLz48L2c+PC9zdmc+"); background-size:40px 40px; }