/* field.html — "The walk". Page-only components, loaded after site.css + broker.css.
   Every class here is prefixed fl-. "Before" states apply only while broker.js has
   armed the nearest .reveal (.arm, just before it scrolls in) and play out when it
   adds .in; otherwise — no JS, reduced motion, print, a full-page capture —
   everything shows in its final state. Optional script: /assets/field/field.js (x-ray slider). */

:root {
  --fl-orange: #ff8a3d;
  --fl-render: #f4f5f9;     /* the white-studio render background */
  --fl-cell: #0d2a6e;
}

/* ------------------------------------------------------------------ hero */
.hero.fl-hero { display: block; padding: 92px 0 0; }
.fl-hero .bg { background-position: center 30%; opacity: .38; }
.fl-hero-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 52px; align-items: center; }
.fl-hero h1.display { font-size: clamp(2.9rem, 5.7vw, 5.1rem); }
.fl-hero h1 > span { display: block; }
.fl-hero h1 .c { text-shadow: 0 0 40px #29c7ff55; }
.fl-hero .tag { margin-top: 16px; }
.fl-hero .lede { margin-top: 14px; }

.fl-scan { margin: 0; }
.fl-scan-stage { --s: 1.3; position: relative; aspect-ratio: 1290 / 921; border-radius: 18px; overflow: hidden; background: var(--fl-render); box-shadow: 0 40px 90px #000b, 0 0 0 1px #ffffff26; }
.fl-scan-stage > a { display: block; height: 100%; }
.fl-scan-stage img { width: 100%; height: 100%; object-fit: cover; transform: scale(var(--s)); }
.fl-scan figcaption { margin-top: 14px; max-width: 560px; }
/* LiDAR sweep: a band of "points" that passes over the model */
.fl-sweep { position: absolute; inset: 0; overflow: hidden; pointer-events: none; }
.fl-sweep::before { content: ""; position: absolute; top: 0; bottom: 0; left: -34%; width: 34%;
  background: radial-gradient(circle, #1f6bff80 1.1px, transparent 1.7px) 0 0 / 9px 9px, linear-gradient(90deg, transparent, #29c7ff1f 70%, #29c7ff66 98%, #ffffff 100%);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 85%); mask-image: linear-gradient(90deg, transparent, #000 85%);
  animation: fl-sweep 6.5s cubic-bezier(.45, 0, .55, 1) infinite; }
.fl-sweep::after { content: ""; position: absolute; top: 0; bottom: 0; left: 0; width: 2px; background: #29c7ff; box-shadow: 0 0 16px #29c7ff; animation: fl-sweep-line 6.5s cubic-bezier(.45, 0, .55, 1) infinite; }
@keyframes fl-sweep { 0% { transform: translateX(0); } 55%, 100% { transform: translateX(294%); } }
@keyframes fl-sweep-line { 0% { left: 0; opacity: 0; } 4% { opacity: 1; } 52% { opacity: 1; } 55%, 100% { left: 100%; opacity: 0; } }
.fl-corners { position: absolute; inset: 14px; pointer-events: none;
  background:
    linear-gradient(#1f6bff, #1f6bff) top left / 24px 2px no-repeat, linear-gradient(#1f6bff, #1f6bff) top left / 2px 24px no-repeat,
    linear-gradient(#1f6bff, #1f6bff) top right / 24px 2px no-repeat, linear-gradient(#1f6bff, #1f6bff) top right / 2px 24px no-repeat,
    linear-gradient(#1f6bff, #1f6bff) bottom left / 24px 2px no-repeat, linear-gradient(#1f6bff, #1f6bff) bottom left / 2px 24px no-repeat,
    linear-gradient(#1f6bff, #1f6bff) bottom right / 24px 2px no-repeat, linear-gradient(#1f6bff, #1f6bff) bottom right / 2px 24px no-repeat; }
/* The pulse sits on the render's real orange marker (44.81 %, 49.19 % of the image), scaled with it. */
.fl-ping, .fl-pin-tag { position: absolute; left: calc(50% + (var(--x) - 50%) * var(--s)); top: calc(50% + (var(--y) - 50%) * var(--s)); pointer-events: none; }
.fl-ping { width: 26px; height: 26px; margin: -13px 0 0 -13px; border-radius: 50%; border: 2.5px solid var(--fl-orange); box-shadow: 0 0 0 5px #ff8a3d2b; }
.fl-ping::before, .fl-ping::after { content: ""; position: absolute; inset: -3px; border-radius: 50%; border: 2px solid var(--fl-orange); animation: fl-ping 2.6s ease-out infinite; }
.fl-ping::after { animation-delay: 1.3s; }
@keyframes fl-ping { from { transform: scale(1); opacity: .85; } to { transform: scale(3.1); opacity: 0; } }
.fl-pin-tag { margin: -66px 0 0 26px; padding: 6px 10px; border-radius: 6px; background: var(--ink); color: #fff; font: 700 11px/1 Inter, sans-serif; letter-spacing: .12em; text-transform: uppercase; white-space: nowrap; box-shadow: 0 10px 24px #0004; }
.fl-pin-tag::after { content: ""; position: absolute; left: -18px; top: 100%; width: 26px; height: 2px; background: var(--ink); transform-origin: 100% 0; transform: rotate(-58deg); }
.fl-chip { position: absolute; display: inline-flex; align-items: center; gap: 8px; padding: 7px 11px; border-radius: 999px; background: #050f2be0; color: #fff; font: 600 12px/1 Inter, sans-serif; -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px); }
.fl-chip.tl { left: 26px; top: 26px; }
.fl-chip.br { right: 26px; bottom: 26px; }
.fl-chip .rec { width: 8px; height: 8px; border-radius: 50%; background: #ff4d4d; box-shadow: 0 0 0 3px #ff4d4d33; animation: fl-blink 1.6s steps(1) infinite; }
.fl-chip .ring { width: 12px; height: 12px; border-radius: 50%; border: 2.5px solid var(--fl-orange); }
@keyframes fl-blink { 50% { opacity: .25; } }

.fl-chapters { position: relative; z-index: 2; display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 8px; margin-top: 56px; padding-bottom: 30px; }
.fl-chapters a { display: flex; flex-direction: column; gap: 6px; padding: 12px 14px 13px; border-radius: 12px; border: 1px solid #ffffff1f; background: #050f2bb3; -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px); color: #fff; text-decoration: none; font-weight: 600; font-size: 14px; line-height: 1.25; transition: border-color .2s, background .2s, transform .2s; }
.fl-chapters b { font-family: var(--display); font-weight: 400; font-size: 1.4rem; color: var(--cyan); line-height: 1; }
.fl-chapters a:hover { border-color: var(--cyan); background: #0a2160e6; transform: translateY(-2px); }

/* --------------------------------------------------------- status band */

/* ------------------------------------------------------- section heads */
.fl-head { position: relative; }
.fl-head > :not(.fl-num) { position: relative; max-width: 880px; }
.fl-num { position: absolute; right: -6px; top: -34px; font-family: var(--display); font-size: clamp(7rem, 15vw, 14rem); line-height: .8; color: transparent; -webkit-text-stroke: 1.5px #29c7ff3d; pointer-events: none; user-select: none; }
.paper .fl-num { -webkit-text-stroke-color: #1f6bff30; }
.fl-h3 { font-size: clamp(1.9rem, 3.4vw, 2.8rem); }
.fl-anat > .dg-k, .fl-feed > .dg-k, .fl-heat > .dg-k { padding-right: 112px; }
.fl-mini-k { font: 700 10.5px/1.3 Inter, sans-serif; letter-spacing: .16em; text-transform: uppercase; color: var(--cyan); margin: 0 0 12px; display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.paper .fl-mini-k { color: var(--blue); }
.fl-body { color: var(--ice); margin: 16px 0 0; max-width: 620px; }
.fl-note { margin: 22px 0 0; font-size: 14px; color: var(--muted); max-width: 760px; }

/* "Moves CARS" pill */
.fl-moves { display: inline-flex; flex-wrap: wrap; align-items: center; gap: 6px 12px; margin: 24px 0 0; padding: 7px 16px 7px 7px; border-radius: 999px; border: 1px solid #29c7ff55; background: #29c7ff12; font-size: 13.5px; color: #fff; }
.fl-moves b { font: 800 10px/1 Inter, sans-serif; letter-spacing: .14em; text-transform: uppercase; color: var(--ink); background: var(--cyan); padding: 6px 10px; border-radius: 999px; }
.fl-moves a { color: var(--cyan); font-weight: 700; text-decoration: none; white-space: nowrap; }
.fl-moves a:hover { text-decoration: underline; text-underline-offset: 3px; }
.paper .fl-moves { border-color: #1f6bff44; background: #1f6bff0d; color: var(--paper-ink); }
.paper .fl-moves b { background: var(--electric); color: #fff; }
.paper .fl-moves a { color: var(--electric); }

/* Pull quotes */
.fl-q { margin: 22px 0 0; padding: 4px 0 4px 20px; border-left: 3px solid var(--cyan); }
.fl-q p { margin: 0; font-size: 1.12rem; line-height: 1.5; color: #fff; font-weight: 500; }
.fl-q footer { margin-top: 10px; font-size: 12.5px; color: var(--muted); }
.fl-q footer a { color: var(--muted); text-decoration: underline; text-decoration-color: #9db4dd66; text-underline-offset: 3px; }
.fl-q footer a:hover { color: var(--cyan); }

/* ------------------------------------------------------- 01 replica */
.fl-replica { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, .6fr); gap: 44px; margin-top: 46px; align-items: start; }
.fl-xray { margin: 0; --x: 50%; }
.fl-xray-stage { position: relative; aspect-ratio: 1290 / 921; border-radius: 18px; overflow: hidden; background: var(--fl-render); box-shadow: 0 40px 90px #0009, 0 0 0 1px #ffffff1a; }
.fl-xray-stage img { position: absolute; inset: 0; width: 100%; height: 100%; }
.fl-xray-b { position: absolute; inset: 0; background: #121212; clip-path: inset(0 0 0 var(--x)); }
/* The x-ray render is framed differently; this lines it up with the white one (measured). */
.fl-xray-b img { transform-origin: 0 0; transform: translate(-22.44%, -22.17%) scale(1.449); }
.fl-xray-line { position: absolute; top: 0; bottom: 0; left: var(--x); width: 2px; margin-left: -1px; background: #fff; box-shadow: 0 0 0 1px #29c7ff99, 0 0 22px #29c7ff; pointer-events: none; }
.fl-xray-line i { position: absolute; top: 50%; left: 50%; width: 44px; height: 44px; margin: -22px 0 0 -22px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 0 6px #29c7ff33, 0 10px 24px #0007; }
.fl-xray-line i::before, .fl-xray-line i::after { content: ""; position: absolute; top: 50%; margin-top: -6px; border-top: 6px solid transparent; border-bottom: 6px solid transparent; }
.fl-xray-line i::before { left: 9px; border-right: 8px solid var(--ink); }
.fl-xray-line i::after { right: 9px; border-left: 8px solid var(--ink); }
.fl-xray-lab { position: absolute; top: 16px; padding: 6px 11px; border-radius: 999px; font: 700 11px/1 Inter, sans-serif; letter-spacing: .14em; text-transform: uppercase; pointer-events: none; }
.fl-xray-lab.l { left: 16px; background: #fff; color: var(--paper-ink); box-shadow: 0 4px 14px #0002; }
.fl-xray-lab.r { right: 16px; background: #050f2bd9; color: var(--cyan); border: 1px solid #29c7ff55; }
.fl-xray-range { position: absolute; inset: 0; width: 100%; height: 100%; margin: 0; opacity: 0; cursor: ew-resize; touch-action: pan-y; -webkit-appearance: none; appearance: none; }
.fl-xray-stage:has(.fl-xray-range:focus-visible) { outline: 3px solid var(--cyan); outline-offset: 4px; }
.fl-xray figcaption { margin-top: 14px; max-width: 640px; }

.fl-steps4 { list-style: none; margin: 0; padding: 0; counter-reset: s; }
.fl-steps4 li { counter-increment: s; position: relative; padding: 0 0 18px 46px; }
.fl-steps4 li::before { content: counter(s, decimal-leading-zero); position: absolute; left: 0; top: -2px; width: 30px; height: 30px; border-radius: 50%; display: grid; place-items: center; font: 800 11px/1 Inter, sans-serif; color: var(--ink); background: var(--cyan); }
.fl-steps4 li::after { content: ""; position: absolute; left: 14px; top: 32px; bottom: 2px; width: 2px; background: linear-gradient(var(--cyan), #29c7ff22); }
.fl-steps4 li:last-child { padding-bottom: 0; }
.fl-steps4 li:last-child::after { display: none; }
.fl-steps4 li.rv::before { background: var(--ink); color: var(--amber); border: 2px dashed var(--amber); }
.fl-steps4 b { display: block; font-size: 1.02rem; line-height: 1.3; }
.fl-steps4 span { display: block; color: var(--muted); font-size: 14px; line-height: 1.5; }
.fl-stat { margin-top: 28px; padding-top: 24px; border-top: 1px solid var(--line); }
.fl-stat .stat { display: block; font-size: clamp(3rem, 4.6vw, 4.2rem); text-shadow: 0 0 40px #29c7ff40; }
.fl-stat p { margin: 10px 0 0; color: var(--ice); font-size: 14.5px; line-height: 1.5; }
.fl-stat .src a { color: var(--muted); text-decoration: underline; text-decoration-color: #9db4dd66; text-underline-offset: 3px; }

.fl-pair { display: grid; grid-template-columns: 300px minmax(0, 1fr); gap: 56px; align-items: center; margin-top: 72px; }
.fl-pair .shot .phone { width: 250px; }
.fl-web { margin: 0; }
.fl-browser { position: relative; border-radius: 14px; overflow: hidden; background: #fff; box-shadow: 0 40px 90px #0009, 0 0 0 1px #ffffff1a; }
.fl-browser > a { display: block; }
.fl-browser img { width: 100%; height: auto; }
.fl-dots { display: flex; align-items: center; gap: 6px; height: 32px; padding: 0 14px; background: #e8edf6; border-bottom: 1px solid #d8e3f7; }
.fl-dots i { width: 10px; height: 10px; border-radius: 50%; background: #c3cee3; }
.fl-dots i:first-child { background: #ff8a7a; } .fl-dots i:nth-child(2) { background: #ffd27a; } .fl-dots i:nth-child(3) { background: #7fd9a8; }
.fl-dots em { margin-left: 10px; font: 600 11.5px/1 Inter, sans-serif; font-style: normal; color: #52607a; }
.fl-web figcaption { margin-top: 14px; }
.fl-web.light figcaption { color: var(--ice); }

/* ---------------------------------------------- phone sequences (.fl-seq) */
/* <ol class="fl-seq [nonum] [c3]"><li><p class="fl-seq-h">Title</p>{{phone:…}}</li>…</ol> */
.fl-seq { list-style: none; margin: 44px 0 0; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 28px; counter-reset: q; }
.fl-seq.c3 { grid-template-columns: repeat(3, minmax(0, 1fr)); max-width: 980px; }
.fl-seq > li { counter-increment: q; position: relative; display: flex; flex-direction: column; gap: 14px; min-width: 0; }
.fl-seq-h { display: flex; gap: 10px; align-items: baseline; margin: 0; font-weight: 700; font-size: 15px; line-height: 1.3; min-height: 2.7em; }
.fl-seq-h::before { content: counter(q, decimal-leading-zero); font-family: var(--display); font-weight: 400; font-size: 1.9rem; color: var(--cyan); line-height: 1; flex: none; }
.fl-seq.nonum .fl-seq-h::before { content: ""; width: 10px; height: 10px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 0 4px #29c7ff2a; align-self: center; }
.fl-seq .shot { justify-items: start; }
.fl-seq .shot .phone { width: 100%; max-width: 236px; }
.fl-seq .shot figcaption { max-width: 260px; font-size: 12.5px; }
.fl-seq-photo .photo img { aspect-ratio: 4 / 6.2; }
.fl-seq > li:not(:last-child)::after { content: ""; position: absolute; top: 44%; right: -24px; width: 20px; height: 2px; background: linear-gradient(90deg, #29c7ff33, var(--cyan)); }

/* ----------------------------------------- 02 anatomy of a recorded control */
.fl-anat { padding: 30px 30px 26px; }
.fl-anat-grid { display: grid; grid-template-columns: minmax(0, 1fr) 260px minmax(0, 1fr); gap: 44px; align-items: center; margin-top: 8px; }
.fl-anat-col { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.fl-anat-col li { position: relative; display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 2px 10px; align-items: start; padding: 12px 14px 12px 44px; border-radius: 12px; background: #050f2bcc; border: 1px solid var(--line); }
.fl-anat-col li::before { content: ""; position: absolute; left: 13px; top: 13px; width: 20px; height: 20px; border-radius: 50%; box-sizing: border-box; }
.fl-anat-col li.ok::before { background: var(--cyan) var(--check) center / 13px no-repeat; }
.fl-anat-col li.warn::before { content: "!"; display: grid; place-items: center; font: 800 12px/1 Inter, sans-serif; color: var(--ink); background: var(--amber); }
.fl-anat-col li.unk::before { border: 2px dashed var(--muted); }
.fl-anat-col li.warn { border-color: #ffc24b66; }
.fl-anat-col li.unk { border-style: dashed; }
.fl-anat-col b { font-size: 14.5px; }
.fl-anat-col span { grid-column: 1; font-size: 13px; line-height: 1.45; color: var(--muted); }
.fl-anat-col em { grid-column: 2; grid-row: 1; font: 700 9.5px/1 Inter, sans-serif; font-style: normal; letter-spacing: .1em; text-transform: uppercase; padding: 4px 6px; border-radius: 4px; white-space: nowrap; color: var(--ink); background: var(--cyan); }
.fl-anat-col .warn em { background: transparent; color: var(--amber); border: 1px solid #ffc24b88; }
.fl-anat-col .unk em { background: transparent; color: var(--muted); border: 1px dashed #9db4dd88; }
/* connectors toward the core (they draw in) */
.fl-anat-col li::after { content: ""; position: absolute; top: 50%; right: -45px; width: 44px; height: 2px; background: repeating-linear-gradient(90deg, #29c7ff 0 5px, transparent 5px 9px); transform-origin: 0 50%; transition: transform .6s ease .5s; }
.fl-anat-col.r li::after { right: auto; left: -45px; transform-origin: 100% 50%; }
.js .reveal.arm:not(.in) .fl-anat-col li::after { transform: scaleX(0); }
.fl-anat-core { position: relative; display: grid; justify-items: center; text-align: center; gap: 4px; padding: 30px 18px 22px; border-radius: 50%; aspect-ratio: 1; align-content: center; background: radial-gradient(circle at 50% 42%, #ffffff, #dfe9fb 62%, #b9cdf0); box-shadow: 0 0 0 10px #29c7ff1a, 0 0 0 22px #29c7ff0d, 0 30px 60px #0008; color: var(--paper-ink); }
.fl-anat-core .art { width: 150px; height: auto; }
.fl-anat-core strong { font-size: 1.05rem; line-height: 1.2; }
.fl-anat-core small { font-size: 11.5px; color: var(--paper-muted); }
.fl-anat-art { position: relative; display: grid; place-items: center; margin-bottom: 6px; }
.fl-anat-ring { position: absolute; left: 50%; top: 50%; width: 84px; height: 84px; margin: -42px 0 0 -42px; border-radius: 50%; border: 3px solid var(--fl-orange); }
.fl-anat-ring::after { content: ""; position: absolute; inset: -3px; border-radius: 50%; border: 2px solid var(--fl-orange); animation: fl-ping 2.8s ease-out infinite; }
.fl-kit { margin-top: 28px; padding-top: 20px; border-top: 1px solid var(--line); }
.fl-kit ul { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 10px; }
.fl-kit li { display: flex; align-items: center; gap: 12px; padding: 8px 12px 8px 8px; border-radius: 12px; background: #050f2b99; border: 1px solid var(--line); font-size: 13px; font-weight: 600; line-height: 1.3; }
.fl-kit .art { width: 52px; height: 52px; object-fit: contain; flex: none; padding: 6px; border-radius: 9px; background: radial-gradient(circle at 50% 55%, #fff, #dfe9fb 85%); }

.fl-safe { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: 56px; align-items: center; }
.fl-safe .photo img { aspect-ratio: 4 / 4.4; }

/* ------------------------------------------------------------ 03 plans */
.fl-plans { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); gap: 48px; margin-top: 44px; align-items: start; }
.fl-bp { margin: 0; background: #fff; border-radius: 16px; border-top: 5px solid var(--electric); box-shadow: 0 40px 90px #0b3bb82e, 0 2px 0 #d8e3f7; padding: 18px 22px 22px; }
.fl-bp-top { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; padding-bottom: 12px; border-bottom: 1px solid var(--hairline); font-size: 12.5px; color: var(--paper-muted); }
.fl-bp-top b { display: block; font-size: 1.05rem; color: var(--blue); letter-spacing: -.01em; }
.fl-bp-chips { display: flex; gap: 6px; flex-wrap: wrap; justify-content: flex-end; }
.fl-cal { font: 700 10.5px/1 Inter, sans-serif; color: #047857; background: #e7f8ef; border-radius: 999px; padding: 5px 9px; white-space: nowrap; }
.fl-bp-svg { display: block; width: 100%; max-width: 460px; height: auto; margin: 16px auto 4px; background-image: linear-gradient(#0b3bb80c 1px, transparent 1px), linear-gradient(90deg, #0b3bb80c 1px, transparent 1px); background-size: 20px 20px; }
.fl-bp-walls path { fill: none; stroke: var(--paper-ink); stroke-width: 4; stroke-linecap: square; stroke-dasharray: 1; stroke-dashoffset: 0; transition: stroke-dashoffset 1.6s cubic-bezier(.3, .1, .2, 1); }
.fl-bp-walls path:first-child { stroke-width: 6; }
.js .reveal.arm:not(.in) .fl-bp-walls path { stroke-dashoffset: 1; }
.fl-bp-gapline { fill: none; stroke: #b45309; stroke-width: 1.5; stroke-dasharray: 5 5; }
.fl-bp-stair path { stroke: #4a5b8266; stroke-width: 1.5; }
.fl-bp-labels text { font: 700 11.5px Inter, sans-serif; letter-spacing: .08em; text-transform: uppercase; fill: #4a5b82; text-anchor: middle; }
.fl-bp-labels .sm { font-size: 10.5px; }
.fl-bp-labels .gp { fill: #92400e; }
.fl-bp-eq rect { fill: #e8f0ff; stroke: var(--blue); stroke-width: 1.5; }
.fl-bp-eq circle { fill: #e8f0ff; stroke: var(--blue); stroke-width: 1.5; }
.fl-bp-eq text { font: 800 10.5px Inter, sans-serif; fill: var(--blue); text-anchor: middle; }
.fl-bp-route path { fill: none; stroke: #1f6bff; stroke-width: 3.5; stroke-linecap: round; stroke-linejoin: round; }
.fl-bp-route .t { stroke-dasharray: 1; stroke-dashoffset: 0; transition: stroke-dashoffset 1.2s ease 1.2s; }
.js .reveal.arm:not(.in) .fl-bp-route .t { stroke-dashoffset: 1; }
.fl-bp-route .u { stroke: #8a98b8; stroke-dasharray: 6 6; transition: opacity .4s ease 2.2s; }
.js .reveal.arm:not(.in) .fl-bp-route .u { opacity: 0; }
.fl-bp-pins g { transform-box: fill-box; transform-origin: center; transition: transform .5s cubic-bezier(.3, 1.6, .5, 1), opacity .3s ease; transition-delay: calc(1.6s + var(--i) * .18s); }
.js .reveal.arm:not(.in) .fl-bp-pins g { transform: scale(0); opacity: 0; }
.fl-bp-pins circle { fill: #fff; stroke: var(--fl-orange); stroke-width: 3.5; }
.fl-bp-pins text { font: 800 12.5px Inter, sans-serif; fill: #c2410c; text-anchor: middle; }
.fl-bp-legend { list-style: none; margin: 14px 0 0; padding: 14px 0 0; border-top: 1px solid var(--hairline); display: grid; grid-template-columns: 1fr 1fr; gap: 8px 18px; counter-reset: pin; }
.fl-bp-legend li { counter-increment: pin; position: relative; padding-left: 32px; font-size: 13px; line-height: 1.35; color: var(--paper-muted); }
.fl-bp-legend li::before { content: counter(pin); position: absolute; left: 0; top: 0; width: 22px; height: 22px; border-radius: 50%; border: 2.5px solid var(--fl-orange); display: grid; place-items: center; font: 800 11px/1 Inter, sans-serif; color: #c2410c; box-sizing: border-box; }
.fl-bp-legend b { display: block; color: var(--paper-ink); font-size: 13.5px; }
.fl-bp-key { display: flex; flex-wrap: wrap; gap: 8px 18px; margin: 14px 0 0; font-size: 12px; color: var(--paper-muted); }
.fl-bp-key span { display: inline-flex; align-items: center; gap: 8px; }
.fl-bp-key span::before { content: ""; width: 24px; height: 0; border-top: 3.5px solid #1f6bff; }
.fl-bp-key .k-u::before { border-top: 3px dashed #8a98b8; }
.fl-bp-key .k-g::before { height: 12px; border: 1.5px dashed #b45309; background: repeating-linear-gradient(45deg, #f0b54a66 0 2px, transparent 2px 6px); width: 18px; }
.fl-plans-side { display: grid; gap: 30px; }
.fl-plans-side .fl-moves { justify-self: start; margin-top: 0; }
.fl-from { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.fl-from li { display: grid; grid-template-columns: 40px minmax(0, 1fr); column-gap: 14px; align-items: center; padding: 12px 16px 12px 12px; border-radius: 12px; background: #fff; border: 1px solid #d8e3f7; box-shadow: 0 10px 30px #0b3bb810; }
.fl-from .fl-fi { grid-row: span 2; width: 40px; height: 40px; padding: 8px; border-radius: 10px; background: #e8f0ff; color: var(--blue); }
.fl-from b { color: var(--paper-ink); font-size: 14.5px; line-height: 1.3; }
.fl-from span { color: var(--paper-muted); font-size: 13px; line-height: 1.4; }
.fl-calib { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 6px; counter-reset: c; }
.fl-calib li { counter-increment: c; display: inline-flex; align-items: center; gap: 8px; padding: 8px 12px 8px 8px; border-radius: 999px; background: #fff; border: 1.5px solid #c7d6f3; font: 600 13px/1 Inter, sans-serif; color: var(--paper-ink); }
.fl-calib li::before { content: counter(c); width: 20px; height: 20px; border-radius: 50%; display: grid; place-items: center; background: var(--electric); color: #fff; font: 800 10.5px/1 Inter, sans-serif; }
.fl-calib li:last-child { border-color: var(--electric); background: #e8f0ff; }

/* ------------------------------------------------------- 04 wire it up */
.fl-routes { display: grid; grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr); gap: 44px; margin-top: 46px; align-items: start; }
.fl-feed { margin: 0; padding: 26px 22px 18px; }
.fl-feed svg { display: block; width: 100%; max-width: 420px; height: auto; margin: 6px auto 0; overflow: visible; }
.fl-fm-edges path { fill: none; stroke-width: 4; stroke-linecap: round; stroke-linejoin: round; }
.fl-fm-edges .t { stroke: var(--cyan); stroke-dasharray: 1; stroke-dashoffset: 0; transition: stroke-dashoffset 1s ease .3s; }
.js .reveal.arm:not(.in) .fl-fm-edges .t { stroke-dashoffset: 1; }
.fl-fm-edges .u { stroke: #9db4dd; stroke-dasharray: 8 7; stroke-linecap: butt; transition: opacity .5s ease 1.1s; }
.fl-fm-edges .e { stroke: #9db4dd; stroke-dasharray: 0.1 9; stroke-width: 5; transition: opacity .5s ease 1.3s; }
.js .reveal.arm:not(.in) .fl-fm-edges .u, .js .reveal.arm:not(.in) .fl-fm-edges .e { opacity: 0; }
.fl-fm-flow path { fill: none; stroke: #ffffff; stroke-width: 2; stroke-linecap: round; stroke-dasharray: 2 16; opacity: .8; animation: fl-flow 1.4s linear infinite; }
@keyframes fl-flow { to { stroke-dashoffset: -18; } }
.js .reveal.arm:not(.in) .fl-fm-flow { opacity: 0; }
.fl-fm-flow { transition: opacity .6s ease 1.4s; }
.fl-fm-nodes rect { fill: #050f2b; stroke: #29c7ff66; stroke-width: 1.5; }
.fl-fm-nodes rect.fl { fill: #0b3bb8; stroke: #29c7ff; }
.fl-fm-nodes text { font: 600 13px Inter, sans-serif; fill: #fff; text-anchor: middle; }
.fl-fm-nodes text.b { font-weight: 800; font-size: 14px; }
.fl-fm-nodes text.s { font-size: 11px; fill: #cfe6ff; font-weight: 500; }
.fl-fm-ctl circle { fill: #050f2b; stroke: var(--fl-orange); stroke-width: 3; }
.fl-fm-ctl path { fill: var(--cyan); }
.fl-fm-lab text { font: 600 12px Inter, sans-serif; fill: #cfe6ff; }
.fl-fm-lab .o { font-weight: 800; font-size: 12.5px; fill: var(--fl-orange); }
.fl-fm-lab .m { font-weight: 800; fill: #fff; }
.fl-fm-lab .s { font-weight: 500; font-size: 11px; fill: var(--muted); }
.fl-routes-side { display: grid; gap: 26px; }
.fl-legend ul { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
.fl-legend li { padding: 12px 12px 12px; border-radius: 12px; background: var(--card); border: 1px solid var(--line); font-size: 12.5px; line-height: 1.4; color: var(--muted); }
.fl-legend svg { display: block; width: 100%; height: 10px; margin-bottom: 10px; overflow: visible; }
.fl-legend path { fill: none; stroke-width: 4; stroke-linecap: round; }
.fl-legend .t { stroke: var(--cyan); }
.fl-legend .u { stroke: #9db4dd; stroke-dasharray: 8 7; stroke-linecap: butt; }
.fl-legend .e { stroke: #9db4dd; stroke-dasharray: 0.1 9; stroke-width: 5; }
.fl-legend b { display: block; color: #fff; font-size: 14px; }
.fl-table-wrap { overflow-x: auto; }
.fl-table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.fl-table th, .fl-table td { text-align: left; padding: 11px 10px 11px 0; border-bottom: 1px solid var(--line); vertical-align: top; }
.fl-table thead th { font: 700 10px/1.3 Inter, sans-serif; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); padding-top: 0; }
.fl-table tbody th { color: #fff; font-weight: 700; }
.fl-table td { color: var(--ice); }
.fl-table small { display: block; margin-top: 5px; font-size: 11.5px; color: var(--muted); }
.fl-table .ev { font-size: 9.5px; }
.fl-routes-side .fl-q { margin-top: 0; }
.fl-routes-side .fl-moves { margin-top: 0; justify-self: start; }

/* --------------------------------------------------------- 05 the right room */
.fl-ar-row { display: grid; grid-template-columns: 330px minmax(0, 1fr); gap: 64px; align-items: center; margin-top: 46px; }
.fl-ar { margin: 0; display: grid; justify-items: center; gap: 16px; }
.fl-arphone { width: 290px; border-radius: 42px; padding: 10px; background: linear-gradient(145deg, #1f2937, #0b1220); box-shadow: 0 40px 80px #000b, inset 0 0 0 2px #ffffff22; transform: rotate(-3deg); }
.fl-arphone svg { display: block; width: 100%; height: auto; border-radius: 32px; }
.fl-ar figcaption { max-width: 320px; }
.fl-ar-room path { fill: none; stroke: #ffffff2e; stroke-width: 1.5; }
.fl-ar-pts circle { fill: #29c7ff; opacity: .55; }
.fl-ar-pipe rect { fill: #7d8fb3; opacity: .55; }
.fl-ar-pipe rect.h { fill: #1f6bff; opacity: 1; }
.fl-ar-pipe rect:nth-child(3) { fill: #ffffff10; stroke: #ffffff55; stroke-width: 1.5; opacity: 1; }
.fl-ar-pipe .v { fill: #c9a24a; }
.fl-ar-ring circle { fill: none; stroke: var(--fl-orange); stroke-width: 3.5; }
.fl-ar-ring .p { transform-box: fill-box; transform-origin: center; animation: fl-ping 2.4s ease-out infinite; stroke-width: 2.5; }
.fl-ar-lead { stroke: #fff; stroke-width: 1.5; fill: none; }
.fl-ar-tag rect { fill: #ffffffef; }
.fl-ar-tag text { font: 500 10.5px Inter, sans-serif; fill: #4a5b82; }
.fl-ar-tag text.t { font: 800 12.5px Inter, sans-serif; fill: var(--paper-ink); }
.fl-ar-tag .n { fill: #b45309; font-weight: 700; }
.fl-ar-tag { transition: transform .6s cubic-bezier(.2, .8, .2, 1) .5s, opacity .6s ease .5s; transform-box: fill-box; transform-origin: 0 100%; }
.js .reveal.arm:not(.in) .fl-ar-tag { transform: scale(.85) translateY(10px); opacity: 0; }
.fl-ar-top rect { fill: #050f2bd9; stroke: #ffffff26; }
.fl-ar-top circle { fill: #34d399; }
.fl-ar-top text { font: 600 11px Inter, sans-serif; fill: #fff; text-anchor: middle; }
.fl-ar-copy .ticks { max-width: 600px; }
.fl-chain { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 0; margin-top: 28px; }
.fl-chain span { display: inline-flex; align-items: center; padding: 8px 14px; border-radius: 999px; background: var(--card); border: 1px solid var(--line); font: 600 13px/1 Inter, sans-serif; color: #fff; white-space: nowrap; }
.fl-chain { gap: 8px 6px; }
.fl-chain i { width: 16px; height: 2px; background: var(--cyan); position: relative; flex: none; }
.fl-chain i::after { content: ""; position: absolute; right: -1px; top: -4px; border-left: 6px solid var(--cyan); border-top: 5px solid transparent; border-bottom: 5px solid transparent; }
.fl-chain span.rv { border-color: var(--amber); color: var(--amber); border-style: dashed; }
#right-room > .wrap > .fl-moves { margin-top: 34px; }

/* ------------------------------------------------------- 06 pattern of life */
.fl-pol { background: radial-gradient(900px 500px at 85% 10%, #0b3bb866, transparent 70%), var(--ink); }
.fl-part { margin: 0 0 30px; display: flex; align-items: center; gap: 18px; font-family: var(--display); font-size: 1.15rem; letter-spacing: .14em; text-transform: uppercase; color: var(--cyan); }
.fl-part::after { content: ""; flex: 1; height: 1px; background: linear-gradient(90deg, #29c7ff88, transparent); }
.fl-pol-grid { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, .75fr); gap: 32px; margin-top: 46px; align-items: start; }
.fl-heat { margin: 0; padding: 26px 26px 20px; }
.fl-hm { position: relative; margin-top: 30px; }
.fl-hm-grid, .fl-hm-over { display: grid; grid-template-columns: 34px repeat(8, minmax(0, 1fr)); grid-template-rows: repeat(19, 1fr) 22px; gap: 3px; }
.fl-hm-over { position: absolute; inset: 0; pointer-events: none; }
.fl-hm-grid i { display: block; aspect-ratio: 3.2 / 1; border-radius: 3px; background: #ffffff0a; transition: opacity .45s ease, transform .45s ease; transition-delay: var(--d, 0ms); }
.js .reveal.arm:not(.in) .fl-hm-grid i { opacity: 0; transform: scale(.6); }
.fl-hm-grid i.v1 { background: #1f6bff99; }
.fl-hm-grid i.v2 { background: #29c7ffcc; }
.fl-hm-grid i.v3 { background: #bff0ff; }
.fl-hm-grid i.k.v1 { background: #29c7ffcc; box-shadow: 0 0 10px #29c7ff88; }
.fl-hm-grid i.k.v2 { background: #bff0ff; box-shadow: 0 0 12px #29c7ffaa; }
.fl-hm-y { font: 600 10px/1 ui-monospace, SFMono-Regular, Menlo, monospace; color: var(--muted); align-self: center; }
.fl-hm-x { font: 700 10px/1 ui-monospace, SFMono-Regular, Menlo, monospace; color: var(--muted); text-align: center; align-self: end; }
.fl-hm-box { grid-column: 5; grid-row: 4 / 10; margin: -5px; border: 2px solid var(--cyan); border-radius: 7px; box-shadow: 0 0 0 4px #29c7ff1f, 0 0 26px #29c7ff66; position: relative; transition: opacity .5s ease 1.3s, transform .5s ease 1.3s; }
.fl-hm-box b { position: absolute; left: 50%; bottom: calc(100% + 8px); transform: translateX(-50%); white-space: nowrap; font: 800 11px/1 Inter, sans-serif; letter-spacing: .06em; text-transform: uppercase; color: var(--ink); background: var(--cyan); padding: 6px 8px; border-radius: 5px; }
.fl-hm-box b::after { content: ""; position: absolute; left: 50%; top: 100%; margin-left: -5px; border: 5px solid transparent; border-top-color: var(--cyan); }
.js .reveal.arm:not(.in) .fl-hm-box { opacity: 0; transform: scale(1.15); }
.fl-hm-foot { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; margin-top: 12px; padding-left: 37px; font-size: 12px; color: var(--muted); }
.fl-hm-axis { font: 700 10px/1 Inter, sans-serif; letter-spacing: .14em; text-transform: uppercase; }
.fl-hm-key { display: inline-flex; align-items: center; gap: 6px; }
.fl-hm-key i { width: 18px; height: 8px; border-radius: 2px; background: #ffffff14; margin-left: 6px; }
.fl-hm-key i.v1 { background: #1f6bff99; } .fl-hm-key i.v2 { background: #29c7ffcc; } .fl-hm-key i.v3 { background: #bff0ff; }
.fl-heat .chart-note { padding-top: 10px; }

.fl-pol-side { display: grid; gap: 16px; }
.fl-read { border: 1px solid var(--line); border-radius: 14px; padding: 18px 20px; background: #0a216099; }
.fl-read ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.fl-read li { font-size: 13.5px; line-height: 1.45; color: var(--muted); }
.fl-read b { display: block; color: #fff; font-size: 14px; }
.fl-signal { background: #fff; color: var(--paper-ink); border-radius: 16px; border-top: 5px solid var(--electric); box-shadow: 0 40px 90px #0009; padding: 20px 22px 22px; }
.fl-signal-top { display: flex; justify-content: space-between; align-items: center; gap: 10px; flex-wrap: wrap; }
.fl-signal-top small { font: 700 10.5px Inter, sans-serif; letter-spacing: .16em; text-transform: uppercase; color: #0891b2; }
.fl-signal-big { display: block; margin-top: 14px; font-family: var(--display); font-weight: 400; text-transform: uppercase; font-size: 2.1rem; line-height: .95; color: var(--blue); letter-spacing: .005em; }
.fl-signal p { margin: 10px 0 0; font-size: 14px; line-height: 1.5; color: var(--paper-muted); }
.fl-signal-k { font: 700 10px/1 Inter, sans-serif !important; letter-spacing: .16em; text-transform: uppercase; color: var(--blue) !important; margin-top: 18px !important; }
.fl-tix { list-style: none; margin: 10px 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: 6px; }
.fl-tix li.cite { font-size: 10px; color: var(--blue); background: #0b3bb810; border-color: #0b3bb840; }
.fl-signal-dl { margin: 18px 0 0; display: grid; gap: 0; border-top: 1px solid var(--hairline); }
.fl-signal-dl div { display: grid; grid-template-columns: 96px minmax(0, 1fr); gap: 10px; padding: 9px 0; border-bottom: 1px solid #eef2f8; font-size: 13px; }
.fl-signal-dl dt { color: var(--paper-muted); }
.fl-signal-dl dd { margin: 0; font-weight: 600; }

.fl-tl { margin: 34px 0 0; background: var(--card); border: 1px solid var(--line); border-radius: 18px; padding: 22px 24px 18px; }
.fl-tl figcaption { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 14px; font-size: 13px; color: var(--muted); }
.fl-tl figcaption b { color: #fff; font-size: 1.05rem; }
.fl-tl-wrap { position: relative; margin-top: 52px; }
.fl-tl-grid { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 4px; }
.fl-tl-m { display: flex; flex-direction: column; align-items: center; gap: 8px; padding: 8px 0 6px; border-radius: 8px; }
.fl-tl-m.s { background: #29c7ff0f; box-shadow: inset 0 0 0 1px #29c7ff22; }
.fl-tl-d { display: flex; flex-direction: column-reverse; align-items: center; gap: 3px; height: 118px; }
.fl-tl-d i { width: 10px; height: 10px; border-radius: 50%; background: #2f57b8; transition: opacity .35s ease, transform .35s ease; transition-delay: calc(var(--i) * 22ms); }
.fl-tl-d i.b { background: var(--cyan); box-shadow: 0 0 0 3px #29c7ff40, 0 0 12px #29c7ff; }
.js .reveal.arm:not(.in) .fl-tl-d i { opacity: 0; transform: translateY(-14px); }
.fl-tl-m b { font: 700 11px/1 Inter, sans-serif; color: var(--muted); }
.fl-tl-m.s b { color: var(--cyan); }
.fl-tl-br { position: absolute; left: 75%; width: 25%; top: -14px; height: 10px; border: 2px solid var(--cyan); border-bottom: 0; border-radius: 4px 4px 0 0; }
.fl-tl-flag { position: absolute; right: 0; top: -44px; font: 800 11.5px/1 Inter, sans-serif; letter-spacing: .04em; color: var(--ink); background: var(--cyan); padding: 7px 10px; border-radius: 6px; white-space: nowrap; }

/* ---------------------------------------------------------- the signals */
.fl-sigs { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; margin-top: 40px; }
.fl-sig { position: relative; display: flex; flex-direction: column; background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 20px 20px 18px; transition: border-color .25s, transform .25s; }
.fl-sig:hover { border-color: #29c7ff88; transform: translateY(-3px); }
.fl-sig h3 { margin: 16px 0 4px; font-size: 1.08rem; }
.fl-sig p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.5; flex: 1; }
.fl-sig strong { display: block; margin-top: 16px; font-family: var(--display); font-weight: 400; text-transform: uppercase; font-size: 1.9rem; line-height: 1; letter-spacing: .01em; color: #fff; }
.fl-sig strong small { display: block; margin-top: 6px; font: 600 12.5px/1.3 Inter, sans-serif; text-transform: none; letter-spacing: 0; color: var(--ice); }
.fl-sig .cite { align-self: flex-start; margin-top: 14px; }
.fl-mini { display: block; width: 120px; height: 44px; overflow: visible; }
.fl-mini .bars rect { fill: #2f57b8; transform-box: fill-box; transform-origin: 50% 100%; transition: transform .6s cubic-bezier(.2, .8, .2, 1) .2s; }
.fl-mini .bars rect.hl { fill: var(--cyan); }
.js .reveal.arm:not(.in) .fl-mini .bars rect { transform: scaleY(0); }
.fl-mini .mark { stroke: var(--cyan); stroke-width: 2; stroke-dasharray: 3 3; }
.fl-mini .ring-bg { fill: none; stroke: #ffffff1f; stroke-width: 6; }
.fl-mini .ring-fg { fill: none; stroke: var(--cyan); stroke-width: 6; stroke-linecap: round; stroke-dasharray: var(--v) 100; transform: rotate(-90deg); transform-origin: 22px 22px; transition: stroke-dashoffset 1.2s ease .2s; }
.js .reveal.arm:not(.in) .fl-mini .ring-fg { stroke-dashoffset: var(--v); }
.fl-mini .ln path { stroke: #ffffff26; stroke-width: 4; stroke-linecap: round; }
.fl-mini .axis { stroke: #ffffff26; stroke-width: 2; }
.fl-mini .thr { stroke: var(--amber); stroke-width: 1.5; stroke-dasharray: 3 3; }
.fl-mini .dots circle { fill: #2f57b8; }
.fl-mini .dots:not(.hl) circle { fill: var(--amber); }
.fl-mini .dots.hl circle { fill: var(--cyan); }
.fl-mini .br { fill: none; stroke: var(--cyan); stroke-width: 2; }
.fl-nc { margin: 16px 0 0; padding: 14px 18px; border-radius: 12px; border: 1.5px dashed #9db4dd66; color: var(--ice); font-size: 14.5px; line-height: 1.5; }
.fl-nc b { color: #fff; }

.fl-in-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 18px; flex-wrap: wrap; }
.fl-ask { margin: 0; display: inline-flex; align-items: center; gap: 10px; font-size: 14px; color: var(--ice); }
.fl-ask b { font: 800 10px/1 Inter, sans-serif; letter-spacing: .14em; text-transform: uppercase; color: var(--ink); background: var(--cyan); padding: 6px 10px; border-radius: 999px; }
.fl-ask a { font-weight: 700; text-decoration: none; }
.fl-inputs { display: grid; grid-template-columns: minmax(0, 1.25fr) 34px minmax(0, .7fr) 34px minmax(0, .8fr) 34px minmax(0, 1.05fr); align-items: center; margin-top: 26px; }
.fl-in { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.fl-in li { padding: 11px 14px; border-radius: 12px; background: var(--card); border: 1px solid var(--line); font-size: 13px; line-height: 1.4; color: var(--muted); }
.fl-in b { display: block; color: #fff; font-size: 14px; }
.fl-pipe { position: relative; height: 2px; background: repeating-linear-gradient(90deg, var(--cyan) 0 6px, transparent 6px 11px); background-size: 22px 2px; animation: fl-pipe 1s linear infinite; }
.fl-pipe::after { content: ""; position: absolute; right: -2px; top: -5px; border-left: 8px solid var(--cyan); border-top: 6px solid transparent; border-bottom: 6px solid transparent; }
@keyframes fl-pipe { to { background-position: 22px 0; } }
.fl-node { display: grid; gap: 6px; padding: 16px; border-radius: 14px; text-align: center; }
.fl-node small { font: 700 10px/1 Inter, sans-serif; letter-spacing: .16em; text-transform: uppercase; }
.fl-node b { font-size: 14px; line-height: 1.3; }
.fl-node.rules { background: radial-gradient(circle at 35% 30%, #6fe0ff, var(--cyan) 50%, #1590c9); color: var(--ink); box-shadow: 0 0 0 8px #29c7ff1c, 0 20px 40px #0007; }
.fl-node.rules b { font-family: var(--display); font-weight: 400; text-transform: uppercase; font-size: 1.5rem; line-height: 1; }
.fl-node.sig { background: var(--card); border: 1px solid var(--cyan); color: #fff; }
.fl-node.sig small { color: var(--cyan); }
.fl-node.cars { background: linear-gradient(125deg, var(--blue), var(--electric)); color: #fff; text-align: left; box-shadow: 0 20px 40px #0007; }
.fl-node.cars small { color: #bff0ff; }
.fl-node.cars b { padding-top: 6px; border-top: 1px solid #ffffff33; }
.fl-in-notes { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, .8fr); gap: 14px; margin-top: 22px; }
.fl-sensor, .fl-zero { margin: 0; display: flex; align-items: center; gap: 14px; padding: 14px 18px; border-radius: 12px; font-size: 14px; line-height: 1.5; color: var(--ice); }
.fl-sensor { border: 1.5px dashed #9db4dd66; }
.fl-sensor .fl-fi { width: 34px; height: 34px; flex: none; color: var(--cyan); }
.fl-sensor b, .fl-zero span b { color: #fff; }
.fl-zero { background: #ffc24b12; border: 1px solid #ffc24b55; }
.fl-zero > b { font-family: var(--display); font-weight: 400; font-size: 2.6rem; line-height: 1; color: var(--amber); flex: none; }

/* --------------------------------------------------------- sources on page */
.fl-src { margin-top: 56px; padding-top: 26px; border-top: 1px solid var(--line); font-size: 13px; color: var(--muted); max-width: 980px; }
.fl-src .kicker { margin-bottom: 10px; }
.fl-src ol { margin: 0; padding-left: 18px; display: grid; gap: 6px; }
.fl-src a { color: var(--ice); text-decoration: underline; text-decoration-color: #9db4dd66; text-underline-offset: 3px; }
.fl-src p { margin: 12px 0 0; }

/* ------------------------------------------------------------- responsive */
@media (max-width: 1180px) {
  .fl-anat-grid { grid-template-columns: minmax(0, 1fr) 220px minmax(0, 1fr); gap: 36px; }
  .fl-anat-col li::after { right: -37px; width: 36px; } .fl-anat-col.r li::after { left: -37px; }
  .fl-anat-core .art { width: 124px; }
  .fl-kit ul { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 1000px) {
  .fl-hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .fl-scan { max-width: 680px; }
  .fl-chapters { grid-template-columns: repeat(3, minmax(0, 1fr)); margin-top: 44px; }
  .fl-replica, .fl-plans, .fl-routes, .fl-pol-grid { grid-template-columns: 1fr; }
  .fl-replica-side { display: grid; grid-template-columns: 1fr 1fr; gap: 0 40px; }
  .fl-replica-side .fl-stat { margin-top: 0; padding-top: 0; border-top: 0; }
  .fl-replica-side .fl-moves { grid-column: 1 / -1; justify-self: start; }
  .fl-pair { grid-template-columns: 240px minmax(0, 1fr); gap: 36px; }
  .fl-pair .shot .phone { width: 220px; }
  .fl-seq, .fl-seq.c3 { grid-template-columns: repeat(2, minmax(0, 1fr)); max-width: 640px; }
  .fl-seq > li::after { display: none; }
  .fl-anat-grid { grid-template-columns: 1fr; gap: 18px; }
  .fl-anat-core { width: 230px; justify-self: center; order: -1; }
  .fl-anat-col li::after { display: none; }
  .fl-safe { grid-template-columns: 1fr; gap: 34px; }
  .fl-safe > div:first-child { max-width: 460px; }
  .fl-ar-row { grid-template-columns: 1fr; gap: 40px; }
  .fl-ar { justify-self: start; }
  .fl-signal { max-width: 560px; }
  .fl-sigs { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .fl-inputs { grid-template-columns: 1fr; gap: 0; justify-items: stretch; max-width: 520px; }
  .fl-pipe { width: 2px; height: 30px; justify-self: center; background: repeating-linear-gradient(180deg, var(--cyan) 0 6px, transparent 6px 11px); background-size: 2px 22px; animation-name: fl-pipe-v; }
  .fl-pipe::after { right: auto; left: -5px; top: auto; bottom: -3px; border-left: 6px solid transparent; border-right: 6px solid transparent; border-top: 8px solid var(--cyan); border-bottom: 0; }
  .fl-in-notes { grid-template-columns: 1fr; }
}
@keyframes fl-pipe-v { to { background-position: 0 22px; } }
@media (max-width: 760px) {
  .fl-num { font-size: 5.5rem; top: -16px; }
  .fl-replica-side { grid-template-columns: 1fr; }
  .fl-replica-side .fl-stat { margin-top: 26px; padding-top: 22px; border-top: 1px solid var(--line); }
  .fl-pair { grid-template-columns: 1fr; gap: 30px; }
  .fl-pair .shot { justify-items: center; }
  .fl-legend ul { grid-template-columns: 1fr; }
  .fl-legend li { display: grid; grid-template-columns: 64px minmax(0, 1fr); column-gap: 14px; align-items: center; }
  .fl-legend svg { grid-row: span 2; margin: 0; }
  .fl-kit ul { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .hero.fl-hero { padding-top: 56px; }
  .fl-num { display: none; }
  .fl-hero h1.display { font-size: clamp(2.7rem, 13vw, 3.6rem); }
  .fl-pin-tag { display: none; }
  .fl-chip { font-size: 10.5px; padding: 5px 9px; }
  .fl-chip.tl { left: 14px; top: 14px; } .fl-chip.br { right: 14px; bottom: 14px; }
  .fl-corners { inset: 8px; }
  .fl-ping { width: 20px; height: 20px; margin: -10px 0 0 -10px; }
  .fl-chapters { grid-template-columns: 1fr 1fr; gap: 6px; margin-top: 36px; }
  .fl-chapters a { padding: 10px 12px; font-size: 13px; flex-direction: row; align-items: center; gap: 10px; }
  .fl-chapters b { font-size: 1.15rem; }
  .fl-xray-lab { top: 10px; font-size: 10px; padding: 5px 8px; }
  .fl-xray-lab.l { left: 10px; } .fl-xray-lab.r { right: 10px; }
  .fl-xray-line i { width: 36px; height: 36px; margin: -18px 0 0 -18px; }
  .fl-xray-line i::before { left: 6px; } .fl-xray-line i::after { right: 6px; }
  /* phone sequences become a swipeable row inside the page gutter */
  .fl-seq, .fl-seq.c3 { display: grid; grid-template-columns: none; grid-auto-flow: column; grid-auto-columns: 72%; gap: 18px; overflow-x: auto; scroll-snap-type: x mandatory; overscroll-behavior-x: contain; padding-bottom: 12px; max-width: none; scrollbar-width: thin; scrollbar-color: var(--line) transparent; }
  .fl-seq > li { scroll-snap-align: start; }
  .fl-seq-h { min-height: 0; }
  .fl-anat { padding: 22px 14px 18px; }
  .fl-anat-core { width: 200px; padding: 20px 14px 16px; }
  .fl-anat-core .art { width: 104px; }
  .fl-anat-ring { width: 64px; height: 64px; margin: -32px 0 0 -32px; }
  .fl-kit ul { grid-template-columns: 1fr; }
  .fl-bp { padding: 14px 12px 16px; }
  .fl-bp-top { flex-direction: column; }
  .fl-bp-chips { justify-content: flex-start; }
  .fl-bp-legend { grid-template-columns: 1fr; }
  .fl-bp-labels text { font-size: 13px; } .fl-bp-labels .sm { font-size: 12px; }
  .fl-feed { padding: 22px 8px 12px; }
  .fl-table thead { display: none; }
  .fl-table tr { display: grid; grid-template-columns: 1fr auto; gap: 2px 10px; padding: 10px 0; border-bottom: 1px solid var(--line); }
  .fl-table th, .fl-table td { border: 0; padding: 0; }
  .fl-table td:nth-child(2) { grid-column: 1; grid-row: 2; }
  .fl-table td:nth-child(3) { grid-column: 2; grid-row: 1 / span 2; text-align: right; }
  .fl-arphone { width: 260px; }
  .fl-ar { justify-self: center; }
  .fl-chain span { font-size: 12px; padding: 7px 11px; }
  .fl-heat { padding: 22px 12px 16px; }
  .fl-hm-grid, .fl-hm-over { grid-template-columns: 28px repeat(8, minmax(0, 1fr)); gap: 2px; }
  .fl-hm-grid i { aspect-ratio: 2.2 / 1; }
  .fl-hm-foot { padding-left: 0; }
  .fl-signal-big { font-size: 1.8rem; }
  .fl-tl { padding: 18px 12px 14px; }
  .fl-tl-grid { gap: 2px; }
  .fl-tl-d i { width: 8px; height: 8px; }
  .fl-tl-d { height: 100px; gap: 2px; }
  .fl-tl-flag { font-size: 10px; padding: 6px 8px; }
  .fl-sigs { grid-template-columns: 1fr 1fr; gap: 10px; }
  .fl-sig { padding: 14px 14px 14px; }
  .fl-mini { width: 100%; max-width: 120px; height: auto; }
  .fl-sig h3 { margin-top: 12px; font-size: 1rem; }
  .fl-sig p { font-size: 13px; }
  .fl-sig strong { font-size: 1.45rem; margin-top: 12px; }
  .fl-sig strong small { font-size: 11.5px; }
  .fl-sig .cite { font-size: 8.5px; }
  .fl-anat > .dg-k, .fl-feed > .dg-k, .fl-heat > .dg-k { padding-right: 112px; }
  .fl-in-head { align-items: flex-start; }
  .fl-zero > b { font-size: 2.1rem; }
  .fl-moves { border-radius: 14px; }
}

/* ------------------------------------------------------------ reduced motion */
@media (prefers-reduced-motion: reduce) {
  .fl-sweep, .fl-chip .rec { animation: none; }
  .fl-sweep::before, .fl-sweep::after, .fl-ping::before, .fl-ping::after, .fl-anat-ring::after, .fl-ar-ring .p, .fl-fm-flow path, .fl-pipe { animation: none; }
  .fl-sweep { display: none; }
  .fl-ping::before, .fl-ping::after, .fl-anat-ring::after, .fl-ar-ring .p { display: none; }
  .fl-anat-col li::after, .fl-bp-walls path, .fl-bp-route .t, .fl-bp-route .u, .fl-bp-pins g, .fl-fm-edges path, .fl-fm-flow, .fl-ar-tag,
  .fl-hm-grid i, .fl-hm-box, .fl-tl-d i, .fl-mini .bars rect, .fl-mini .ring-fg, .fl-chapters a, .fl-sig { transition: none; }
  .js .reveal.arm:not(.in) .fl-anat-col li::after, .js .reveal.arm:not(.in) .fl-mini .bars rect, .js .reveal.arm:not(.in) .fl-hm-grid i,
  .js .reveal.arm:not(.in) .fl-tl-d i, .js .reveal.arm:not(.in) .fl-hm-box, .js .reveal.arm:not(.in) .fl-ar-tag, .js .reveal.arm:not(.in) .fl-bp-pins g { opacity: 1; transform: none; }
  .js .reveal.arm:not(.in) .fl-bp-walls path, .js .reveal.arm:not(.in) .fl-bp-route .t, .js .reveal.arm:not(.in) .fl-fm-edges .t { stroke-dashoffset: 0; }
  .js .reveal.arm:not(.in) .fl-mini .ring-fg { stroke-dashoffset: 0; }
  .js .reveal.arm:not(.in) .fl-bp-route .u, .js .reveal.arm:not(.in) .fl-fm-edges .u, .js .reveal.arm:not(.in) .fl-fm-edges .e, .js .reveal.arm:not(.in) .fl-fm-flow { opacity: 1; }
}
@media print { .fl-sweep, .fl-xray-range { display: none !important; } }