/* ==========================================================================
   Lines Dev Ltd — site styles
   One stylesheet, organised as: tokens, base, layout, components, sections,
   product mock-ups, responsive, motion.
   ========================================================================== */

/* ---------- Fonts (self-hosted, Latin subset) ---------- */
@font-face {
  font-family: "Geist";
  src: url("../fonts/geist-latin-wght-normal.woff2") format("woff2-variations"), url("../fonts/geist-latin-wght-normal.woff2") format("woff2");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Geist Mono";
  src: url("../fonts/geist-mono-latin-wght-normal.woff2") format("woff2-variations"), url("../fonts/geist-mono-latin-wght-normal.woff2") format("woff2");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

/* ---------- Design tokens ---------- */
:root {
  /* Colour */
  --ink: #0e1424;
  --ink-2: #1e2740;
  --muted: #4f5b6e;
  --line: #dde4ea;
  --line-strong: #c4cfd9;
  --bg: #ffffff;
  --surface: #f5f8fa;
  --surface-2: #ecf1f5;
  --cyan: #19d3f5;
  --blue: #0a7bff;
  --blue-strong: #0b5fd1;
  --violet: #9b4dfa;
  --violet-strong: #7a2fd6;
  --magenta: #d94cfe;
  --accent-soft: #e8f1ff;
  --dark: #0f131c;
  --grad: linear-gradient(90deg, #19d3f5 0%, #2a8cff 34%, #8f52f7 68%, #d44bfe 100%);
  --green: #16794a;
  --green-soft: #e4f4ec;
  --amber: #7a5200;
  --amber-soft: #fff1cc;
  --on-ink: #ffffff;
  --on-ink-muted: #c3cfda;

  /* Type */
  --font-sans: "Geist", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: "Geist Mono", ui-monospace, "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --fs-xs: 0.75rem;
  --fs-sm: 0.875rem;
  --fs-md: 1rem;
  --fs-lg: 1.125rem;
  --fs-xl: clamp(1.25rem, 1.1rem + 0.5vw, 1.5rem);
  --fs-h2: clamp(1.9rem, 1.35rem + 1.9vw, 2.75rem);
  --fs-h1: clamp(2.5rem, 1.5rem + 4.2vw, 4.5rem);

  /* Spacing (4px base) */
  --s-1: 0.25rem;
  --s-2: 0.5rem;
  --s-3: 0.75rem;
  --s-4: 1rem;
  --s-5: 1.5rem;
  --s-6: 2rem;
  --s-7: 3rem;
  --s-8: 4.5rem;
  --s-9: 7rem;

  /* Shape and depth */
  --r-1: 4px;
  --r-2: 8px;
  --r-3: 12px;
  --r-4: 16px;
  --sh-1: 0 1px 2px rgba(11, 27, 43, 0.06), 0 1px 1px rgba(11, 27, 43, 0.04);
  --sh-2: 0 1px 2px rgba(11, 27, 43, 0.05), 0 10px 28px -8px rgba(11, 27, 43, 0.16);
  --sh-win: 0 0 0 1px rgba(11, 27, 43, 0.07), 0 2px 4px rgba(11, 27, 43, 0.05), 0 22px 44px -14px rgba(11, 27, 43, 0.28);

  /* Layout */
  --w-page: 75rem;
  --w-prose: 38rem;
  --gutter: clamp(1.25rem, 4vw, 2.5rem);
  --header-h: 4.25rem;

  color-scheme: light;
}

/* ---------- Base ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + var(--s-4));
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: var(--fs-md);
  line-height: 1.6;
  font-feature-settings: "ss01", "cv11";
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, p, ul, ol, dl, dd, figure { margin: 0; }
ul, ol { padding: 0; list-style: none; }
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-underline-offset: 0.18em; text-decoration-thickness: 1px; }
button { font: inherit; color: inherit; }
[hidden] { display: none !important; }

h1, h2, h3 {
  font-weight: 620;
  line-height: 1.12;
  letter-spacing: -0.025em;
  text-wrap: balance;
}
p { text-wrap: pretty; }

:focus-visible {
  outline: 2px solid var(--blue-strong);
  outline-offset: 3px;
  border-radius: var(--r-1);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}
.sprite { position: absolute; width: 0; height: 0; overflow: hidden; }

.skip-link {
  position: absolute;
  left: var(--s-4);
  top: -4rem;
  z-index: 100;
  padding: var(--s-3) var(--s-4);
  background: var(--ink);
  color: var(--on-ink);
  border-radius: var(--r-2);
  font-weight: 560;
  text-decoration: none;
}
.skip-link:focus { top: var(--s-3); }

/* ---------- Layout ---------- */
.container {
  width: 100%;
  max-width: calc(var(--w-page) + var(--gutter) * 2);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.section { padding-block: var(--s-9); }
.section--tint { background: var(--surface); border-block: 1px solid var(--line); }
.section__head { max-width: 44rem; display: grid; gap: var(--s-4); margin-bottom: var(--s-7); }
.section__head p { color: var(--muted); font-size: var(--fs-lg); max-width: var(--w-prose); }
.section h2 { font-size: var(--fs-h2); }

.eyebrow {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--s-2);
  min-height: 2.75rem;
  padding: 0.55rem 1.2rem;
  border: 1px solid transparent;
  border-radius: var(--r-2);
  font-size: 0.9375rem;
  font-weight: 560;
  line-height: 1.2;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease, box-shadow 0.15s ease;
}
.btn--primary { background: var(--ink); color: var(--on-ink); box-shadow: var(--sh-1); }
.btn--primary:hover { background: var(--ink-2); }
.btn--secondary { background: var(--bg); color: var(--ink); border-color: var(--line-strong); box-shadow: var(--sh-1); }
.btn--secondary:hover { border-color: var(--ink); }
.btn--light { background: var(--bg); color: var(--ink); }
.btn--light:hover { background: var(--surface-2); }
.btn--sm { min-height: 2.5rem; padding: 0.4rem 1rem; font-size: var(--fs-sm); }
.btn:active { transform: translateY(1px); }

.text-link {
  font-weight: 560;
  color: var(--ink);
  text-decoration-color: var(--blue);
  text-decoration-thickness: 2px;
  text-underline-offset: 0.25em;
}
.text-link:hover { text-decoration-color: var(--ink); }

/* ---------- Header and navigation ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.92);
  -webkit-backdrop-filter: saturate(1.4) blur(12px);
  backdrop-filter: saturate(1.4) blur(12px);
  border-bottom: 1px solid var(--line);
}
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-5);
  min-height: var(--header-h);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  font-size: 1.1875rem;
  font-weight: 650;
  letter-spacing: -0.02em;
}
.brand__mark { width: 2.5rem; height: 1.52rem; flex: none; }
.brand__ltd { font-weight: 600; color: var(--blue-strong); }

.nav__panel { display: flex; align-items: center; gap: var(--s-6); }
.nav__list { display: flex; align-items: center; gap: var(--s-5); }
.nav__link {
  display: inline-block;
  padding-block: 0.4rem;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--muted);
  text-decoration: none;
}
.nav__link:hover { color: var(--ink); }
.nav__toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  margin-right: -0.5rem;
  background: transparent;
  border: 0;
  border-radius: var(--r-2);
  cursor: pointer;
}
.nav__toggle svg { width: 1.5rem; height: 1.5rem; stroke: var(--ink); fill: none; stroke-width: 1.75; stroke-linecap: round; }
.nav__toggle .i-close { display: none; }
.nav__toggle[aria-expanded="true"] .i-open { display: none; }
.nav__toggle[aria-expanded="true"] .i-close { display: block; }

/* ---------- Status chips ---------- */
.status {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.28rem 0.7rem 0.28rem 0.6rem;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: var(--bg);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ink);
  white-space: nowrap;
}
.status::before {
  content: "";
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  border: 2px solid var(--blue);
  background: transparent;
}
.status--testing::before { background: var(--blue); }

/* ---------- Hero ---------- */
.hero { padding-block: var(--s-8) var(--s-9); }
.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.08fr);
  gap: var(--s-8);
  align-items: center;
}
.hero h1 { font-size: var(--fs-h1); font-weight: 650; letter-spacing: -0.04em; line-height: 1.02; margin-top: var(--s-4); }
.hero__lede { margin-top: var(--s-5); max-width: 33rem; font-size: var(--fs-xl); line-height: 1.5; color: var(--muted); }
.hero__actions { display: flex; flex-wrap: wrap; gap: var(--s-3); margin-top: var(--s-6); }
.hero__facts {
  display: grid;
  gap: var(--s-2);
  margin-top: var(--s-7);
  padding-top: var(--s-5);
  border-top: 1px solid var(--line);
  max-width: 33rem;
  font-size: var(--fs-sm);
  color: var(--muted);
}
.hero__facts li { display: flex; gap: var(--s-3); align-items: baseline; }
.hero__facts li::before { content: ""; flex: none; width: 0.4rem; height: 0.4rem; border-radius: 1px; background: linear-gradient(135deg, var(--cyan), var(--violet)); transform: translateY(-0.12em); }

.hero__visual {
  background:
    radial-gradient(90% 70% at 0% 0%, rgba(25, 211, 245, 0.22), transparent 60%),
    radial-gradient(90% 75% at 100% 100%, rgba(155, 77, 250, 0.3), transparent 60%),
    var(--dark);
  border: 1px solid #232a3a;
  border-radius: var(--r-4);
  overflow: hidden;
}
.mock-note { margin-top: var(--s-3); font-size: var(--fs-xs); color: var(--muted); }

/* ---------- Products ---------- */
.legend-note {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-2) var(--s-5);
  padding: var(--s-4) var(--s-5);
  margin-bottom: var(--s-8);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-3);
  font-size: var(--fs-sm);
  color: var(--muted);
}
.legend-note strong { color: var(--ink); font-weight: 560; }

.product {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
  gap: var(--s-8);
  align-items: center;
  padding-block: var(--s-8);
  border-top: 1px solid var(--line);
}
.product:first-of-type { border-top: 0; padding-top: 0; }
.product--flip .product__left { order: 2; }
.product__top { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: var(--s-3); margin-bottom: var(--s-4); }
.product h3 { font-size: clamp(1.75rem, 1.3rem + 1.4vw, 2.375rem); letter-spacing: -0.03em; }
.product__lead { margin-top: var(--s-4); color: var(--muted); font-size: var(--fs-lg); }

.benefits { display: grid; gap: var(--s-4); margin-top: var(--s-6); }
.benefits li { display: grid; grid-template-columns: 1.25rem minmax(0, 1fr); gap: var(--s-3); }
.benefits svg { width: 1.25rem; height: 1.25rem; margin-top: 0.2rem; stroke: var(--blue-strong); fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.benefits strong { display: block; font-weight: 600; letter-spacing: -0.01em; }
.benefits span { color: var(--muted); font-size: 0.9375rem; }

.product__actions { display: flex; flex-wrap: wrap; align-items: center; gap: var(--s-3) var(--s-5); margin-top: var(--s-6); }

.spec {
  display: grid;
  gap: 0;
  margin-top: var(--s-6);
  border-top: 1px solid var(--line);
  font-size: var(--fs-sm);
}
.spec div { display: grid; grid-template-columns: 7rem minmax(0, 1fr); gap: var(--s-4); padding-block: 0.6rem; border-bottom: 1px solid var(--line); }
.spec dt { font-family: var(--font-mono); font-size: var(--fs-xs); letter-spacing: 0.06em; text-transform: uppercase; color: var(--muted); padding-top: 0.15rem; }

.product__visual { min-width: 0; }
@media (min-width: 64rem) {
  .product { align-items: start; }
}
.product__visual .panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-4);
  padding: clamp(0.75rem, 3vw, 2rem);
}

/* Flow diagrams (pipeline and quote steps) */
.flow {
  margin-top: var(--s-4);
  padding: var(--s-5);
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--r-3);
}
.flow__title { font-size: var(--fs-sm); font-weight: 560; }
.flow__caption { margin-top: var(--s-3); font-size: var(--fs-sm); color: var(--muted); }
.flow__row { display: grid; justify-items: start; gap: var(--s-3); margin-top: var(--s-4); }
.flow__group { display: flex; flex-wrap: wrap; align-items: center; gap: var(--s-2); }
.flow__group--existing { padding: var(--s-2); border: 1px dashed var(--line-strong); border-radius: var(--r-2); background: var(--surface); }
.flow__node {
  padding: 0.45rem 0.8rem;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-2);
  background: var(--bg);
  font-size: var(--fs-sm);
  font-weight: 500;
  white-space: nowrap;
}
.flow__node--ours { background: var(--ink); border-color: var(--ink); color: var(--on-ink); font-weight: 560; }
.flow__arrow {
  width: 1rem;
  align-self: center;
  flex: none;
  height: 0.75rem;
  background: no-repeat center / contain url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 12' fill='none' stroke='%234d5c6b' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M1 6h13M9 1.5 14 6l-5 4.5'/%3E%3C/svg%3E");
}
.flow__group-label { flex-basis: 100%; font-family: var(--font-mono); font-size: var(--fs-xs); letter-spacing: 0.06em; text-transform: uppercase; color: var(--muted); }

.quote-steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--s-3); margin-top: var(--s-4); }
.quote-steps li { padding: var(--s-3); border: 1px solid var(--line); border-radius: var(--r-2); background: var(--surface); font-size: var(--fs-sm); }
.quote-steps b { display: block; margin-bottom: 0.15rem; font-weight: 600; }
.quote-steps span { color: var(--muted); }

/* Working today vs still in progress */
.progress-split { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--s-3); margin-top: var(--s-6); }
.progress-split > div { padding: var(--s-4); border: 1px solid var(--line); border-radius: var(--r-3); background: var(--surface); }
.progress-split h4 { margin: 0 0 var(--s-3); font-family: var(--font-mono); font-size: var(--fs-xs); font-weight: 500; letter-spacing: 0.06em; text-transform: uppercase; }
.progress-split ul { display: grid; gap: var(--s-2); font-size: var(--fs-sm); color: var(--muted); }
.progress-split li { display: grid; grid-template-columns: 0.5rem minmax(0, 1fr); gap: var(--s-2); }
.progress-split li::before { content: ""; width: 0.4rem; height: 0.4rem; margin-top: 0.5em; border-radius: 1px; background: var(--green); }
.progress-split .is-pending li::before { background: transparent; border: 1.5px solid var(--violet-strong); border-radius: 50%; }

/* ---------- Principles ---------- */
.principles { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--s-6); }
.principle { display: grid; gap: var(--s-3); align-content: start; padding-top: var(--s-5); border-top: 2px solid transparent; border-image: var(--grad) 1; }
.principle svg { width: 1.75rem; height: 1.75rem; stroke: var(--ink); fill: none; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
.principle h3 { font-size: var(--fs-xl); letter-spacing: -0.02em; }
.principle p { color: var(--muted); font-size: 0.9375rem; }

/* ---------- Process ---------- */
.steps { counter-reset: step; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: var(--s-5); position: relative; }
.step { position: relative; display: grid; gap: var(--s-2); align-content: start; padding-top: var(--s-6); }
.step::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  position: absolute;
  top: 0;
  left: 0;
  z-index: 1;
  padding-right: var(--s-3);
  background: var(--surface);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  font-weight: 500;
  color: var(--blue-strong);
}
.step::after { content: ""; position: absolute; top: 0.55rem; left: 0; right: calc(var(--s-5) * -1); height: 1px; background: var(--line-strong); }
.step:last-child::after { right: 0; background: linear-gradient(90deg, var(--line-strong), transparent); }
.step h3 { font-size: var(--fs-lg); letter-spacing: -0.015em; }
.step p { color: var(--muted); font-size: 0.9375rem; }

/* ---------- Custom software panel ---------- */
.cta-panel {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  grid-template-areas: "copy art" "list list";
  gap: var(--s-7) var(--s-7);
  align-items: center;
  padding: clamp(1.75rem, 5vw, 4rem);
  background:
    radial-gradient(70% 80% at 100% 0%, rgba(155, 77, 250, 0.28), transparent 62%),
    radial-gradient(70% 90% at 0% 100%, rgba(25, 211, 245, 0.16), transparent 60%),
    var(--dark);
  color: var(--on-ink);
  border-radius: var(--r-4);
}
.cta-panel__copy { grid-area: copy; }
.cta-panel .eyebrow { color: var(--on-ink-muted); }
.cta-panel h2 { margin-top: var(--s-3); font-size: var(--fs-h2); }
.cta-panel p { margin-top: var(--s-4); max-width: 34rem; color: var(--on-ink-muted); font-size: var(--fs-lg); }
.cta-panel .btn { margin-top: var(--s-6); }
.cta-panel__art { grid-area: art; justify-self: center; width: min(100%, 26rem); height: auto; filter: drop-shadow(0 0 14px rgba(25, 211, 245, 0.35)) drop-shadow(0 0 36px rgba(155, 77, 250, 0.4)); }
.fit-list { grid-area: list; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0 var(--s-5); }
.fit-list li { display: flex; align-items: flex-start; gap: var(--s-3); padding-block: var(--s-4); border-top: 1px solid rgba(255, 255, 255, 0.16); font-weight: 500; line-height: 1.4; }
.fit-list li::before { content: ""; width: 0.45rem; height: 0.45rem; margin-top: 0.4em; border-radius: 1px; background: linear-gradient(135deg, var(--cyan), var(--magenta)); flex: none; }

/* ---------- Contact ---------- */
.contact { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: var(--s-8); align-items: start; }
.contact__card { padding: var(--s-6); background: var(--bg); border: 1px solid var(--line); border-radius: var(--r-3); box-shadow: var(--sh-2); display: grid; gap: var(--s-4); }
.contact__card h3 { font-size: var(--fs-xl); }
.contact__email { display: flex; flex-wrap: wrap; align-items: center; gap: var(--s-3); }
.contact__email a { font-size: var(--fs-xl); font-weight: 560; overflow-wrap: anywhere; }
.contact__pending { padding: var(--s-4); border: 1px dashed var(--line-strong); border-radius: var(--r-2); background: var(--surface); color: var(--muted); font-size: var(--fs-sm); }
.checklist { display: grid; gap: var(--s-3); font-size: 0.9375rem; color: var(--muted); }
.checklist li { display: grid; grid-template-columns: 1.1rem minmax(0, 1fr); gap: var(--s-3); }
.checklist svg { width: 1.1rem; height: 1.1rem; margin-top: 0.25rem; stroke: var(--blue-strong); fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }

/* ---------- Footer ---------- */
.site-footer { padding-block: var(--s-8) var(--s-6); background: var(--surface); border-top: 1px solid var(--line); font-size: var(--fs-sm); }
.footer__grid { display: grid; grid-template-columns: minmax(0, 1.6fr) repeat(2, minmax(0, 1fr)); gap: var(--s-7); }
.footer__about p { margin-top: var(--s-4); max-width: 22rem; color: var(--muted); }
.footer__col h2 { margin-bottom: var(--s-3); font-family: var(--font-mono); font-size: var(--fs-xs); font-weight: 500; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }
.footer__col ul { display: grid; gap: var(--s-2); }
.footer__col a { text-decoration: none; color: var(--ink); }
.footer__col a:hover { text-decoration: underline; }
.footer__legal { display: flex; flex-wrap: wrap; justify-content: space-between; gap: var(--s-2) var(--s-6); margin-top: var(--s-7); padding-top: var(--s-5); border-top: 1px solid var(--line); color: var(--muted); font-size: var(--fs-xs); }

/* ==========================================================================
   Product mock-ups (illustrative interfaces, built in HTML and CSS)
   Everything inside a .stage scales from one unit, --u, so a mock-up keeps
   its proportions at any width. Design width is 600 units.
   ========================================================================== */
.stage { container-type: inline-size; }
.stage__inner { --u: calc(100cqw / 600); position: relative; width: 100%; }
.stage--hero .stage__inner { aspect-ratio: 600 / 585; }
.stage--solo .stage__inner { --u: calc(100cqw / 520); }

.win {
  background: var(--bg);
  border-radius: calc(var(--u) * 8);
  box-shadow: var(--sh-win);
  overflow: hidden;
  font-size: calc(var(--u) * 10.5);
  line-height: 1.35;
  color: var(--ink);
  font-family: var(--font-sans);
}
.stage--hero .win { position: absolute; }
.win--sync { left: 3%; top: 3.5%; width: 74%; z-index: 1; }
.win--wall { left: 3%; top: 59%; width: 44%; z-index: 2; }
.win--ledger { right: 3%; top: 59%; width: 50%; z-index: 3; }

.win__bar {
  display: flex;
  align-items: center;
  gap: calc(var(--u) * 7);
  padding: calc(var(--u) * 8) calc(var(--u) * 10);
  background: #fbfcfd;
  border-bottom: 1px solid var(--line);
  font-weight: 600;
}
.win__bar svg { width: calc(var(--u) * 22); height: calc(var(--u) * 13.4); flex: none; }
.win__bar .push { margin-left: auto; }
.win__body { padding: calc(var(--u) * 10); display: grid; gap: calc(var(--u) * 8); }

.m-seg { display: inline-flex; border: 1px solid var(--line-strong); border-radius: calc(var(--u) * 5); overflow: hidden; font-weight: 500; font-size: calc(var(--u) * 9); }
.m-seg span { padding: calc(var(--u) * 3) calc(var(--u) * 7); }
.m-seg .on { background: var(--ink); color: var(--on-ink); }

.m-fields { display: grid; gap: calc(var(--u) * 4); }
.m-field { display: grid; grid-template-columns: calc(var(--u) * 62) minmax(0, 1fr); align-items: center; gap: calc(var(--u) * 6); }
.m-field b { font-family: var(--font-mono); font-size: calc(var(--u) * 8); font-weight: 500; letter-spacing: 0.05em; text-transform: uppercase; color: var(--muted); }
.m-field span { padding: calc(var(--u) * 3.5) calc(var(--u) * 6); border: 1px solid var(--line); border-radius: calc(var(--u) * 4); background: var(--surface); font-family: var(--font-mono); font-size: calc(var(--u) * 9); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.m-meter { display: flex; gap: calc(var(--u) * 2); height: calc(var(--u) * 7); border-radius: 999px; overflow: hidden; }
.m-meter i { display: block; }
.m-meter .missing { flex: 38; background: linear-gradient(90deg, var(--cyan), var(--blue)); }
.m-meter .present { flex: 96; background: var(--line-strong); }
.m-meter .review { flex: 6; background: #d9a400; }
.m-legend { display: flex; flex-wrap: wrap; gap: calc(var(--u) * 3) calc(var(--u) * 10); font-size: calc(var(--u) * 9); color: var(--muted); }
.m-legend b { color: var(--ink); font-weight: 600; font-variant-numeric: tabular-nums; }

.m-table { display: grid; border: 1px solid var(--line); border-radius: calc(var(--u) * 5); overflow: hidden; }
.m-row { display: grid; grid-template-columns: calc(var(--u) * 14) minmax(0, 1fr) auto calc(var(--u) * 44); align-items: center; gap: calc(var(--u) * 7); padding: calc(var(--u) * 5.5) calc(var(--u) * 8); border-bottom: 1px solid var(--line); }
.m-row:last-child { border-bottom: 0; }
.m-row--head { background: var(--surface); font-family: var(--font-mono); font-size: calc(var(--u) * 7.5); letter-spacing: 0.06em; text-transform: uppercase; color: var(--muted); }
.m-row .title { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; font-weight: 500; }
.m-row .size { text-align: right; color: var(--muted); font-variant-numeric: tabular-nums; }
.m-check { width: calc(var(--u) * 10); height: calc(var(--u) * 10); border: 1.5px solid var(--line-strong); border-radius: calc(var(--u) * 2.5); background: var(--bg); }
.m-check.on { background: var(--ink); border-color: var(--ink); position: relative; }
.m-check.on::after { content: ""; position: absolute; left: 28%; top: 10%; width: 28%; height: 54%; border: solid var(--on-ink); border-width: 0 calc(var(--u) * 1.6) calc(var(--u) * 1.6) 0; transform: rotate(45deg); }

.m-chip { display: inline-block; padding: calc(var(--u) * 1.5) calc(var(--u) * 6); border-radius: 999px; font-size: calc(var(--u) * 8.5); font-weight: 560; white-space: nowrap; }
.m-chip--missing { background: var(--accent-soft); color: var(--blue-strong); }
.m-chip--present { background: var(--surface-2); color: var(--muted); }
.m-chip--review { background: var(--amber-soft); color: var(--amber); }
.m-chip--recv { background: var(--green-soft); color: var(--green); }
.m-chip--sel { background: var(--ink); color: var(--on-ink); }
.m-chip--req { background: var(--bg); color: var(--muted); border: 1px solid var(--line-strong); }

.m-dock { display: flex; align-items: center; justify-content: space-between; gap: calc(var(--u) * 8); padding: calc(var(--u) * 8) calc(var(--u) * 10); border-top: 1px solid var(--line); background: #fbfcfd; color: var(--muted); font-size: calc(var(--u) * 9); }
.m-btn { padding: calc(var(--u) * 5) calc(var(--u) * 10); border-radius: calc(var(--u) * 5); background: var(--ink); color: var(--on-ink); font-weight: 560; white-space: nowrap; }

/* Ledger */
.m-order { display: flex; align-items: flex-start; justify-content: space-between; gap: calc(var(--u) * 8); }
.m-order b { display: block; font-size: calc(var(--u) * 12); letter-spacing: -0.01em; }
.m-order small { font-size: calc(var(--u) * 9); color: var(--muted); }
.m-quorum { display: grid; gap: calc(var(--u) * 4); padding: calc(var(--u) * 8); border: 1px solid var(--line); border-radius: calc(var(--u) * 6); background: var(--surface); }
.m-quorum .bars { display: grid; grid-template-columns: repeat(3, 1fr); gap: calc(var(--u) * 3); }
.m-quorum .bars i { height: calc(var(--u) * 5); border-radius: 999px; background: var(--line-strong); }
.m-quorum .bars i.on { background: var(--green); }
.m-quorum span { color: var(--muted); font-size: calc(var(--u) * 9); }
.m-quorum strong { font-size: calc(var(--u) * 10.5); }
.m-quote { display: grid; grid-template-columns: minmax(0, 1fr) auto auto; align-items: center; gap: calc(var(--u) * 8); padding: calc(var(--u) * 6) calc(var(--u) * 8); border: 1px solid var(--line); border-radius: calc(var(--u) * 5); }
.m-quote.sel { border-color: var(--ink); box-shadow: 0 0 0 1px var(--ink); }
.m-quote .name { font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.m-quote .amt { font-variant-numeric: tabular-nums; font-weight: 600; min-width: calc(var(--u) * 40); text-align: right; }
.m-quote .amt.none { color: var(--muted); font-weight: 400; }
.m-note { font-size: calc(var(--u) * 9); color: var(--muted); }

/* Screen wall */
.m-wall { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: calc(var(--u) * 3.5); }
.m-tile { aspect-ratio: 16 / 9; display: flex; flex-direction: column; justify-content: space-between; padding: calc(var(--u) * 4) calc(var(--u) * 5); border-radius: calc(var(--u) * 3.5); background: #14273a; color: #dbe5ee; font-size: calc(var(--u) * 7.5); line-height: 1.2; overflow: hidden; }
.m-tile b { font-weight: 560; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.m-tile small { display: flex; align-items: center; gap: calc(var(--u) * 3); font-size: calc(var(--u) * 6.5); color: #9fb2c4; white-space: nowrap; }
.m-tile small::before { content: ""; width: calc(var(--u) * 4.5); height: calc(var(--u) * 4.5); border-radius: 50%; background: var(--dot, #3ecf8e); flex: none; }
.m-tile--warn { --dot: #f0b429; }
.m-tile--off { background: #1d2f42; color: #8ea1b4; }
.m-tile--off { --dot: #7f8f9f; }
.m-tile--empty { background: transparent; border: calc(var(--u) * 1) dashed var(--line-strong); color: var(--muted); align-items: center; justify-content: center; }
.m-tile--empty small::before { content: none; }
.stage--hero .m-wall { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.stage--hero .m-wall .extra { display: none; }

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 71.99rem) {
  .principles { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--s-7) var(--s-6); }
  .steps { grid-template-columns: repeat(3, minmax(0, 1fr)); row-gap: var(--s-7); }
  .step:nth-child(3)::after { right: 0; background: linear-gradient(90deg, var(--line-strong), transparent); }
}

@media (max-width: 63.99rem) {
  .section { padding-block: var(--s-8); }
  .hero { padding-block: var(--s-7) var(--s-8); }
  .hero__grid, .product, .contact { grid-template-columns: minmax(0, 1fr); gap: var(--s-7); }
  .cta-panel { grid-template-columns: minmax(0, 1fr); grid-template-areas: "copy" "art" "list"; gap: var(--s-6); }
  .cta-panel__art { width: min(100%, 20rem); }
  .fit-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .product--flip .product__left { order: 0; }
  .product { padding-block: var(--s-7); }
  .footer__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer__about { grid-column: 1 / -1; }
}

@media (max-width: 47.99rem) {
  :root { --header-h: 3.75rem; }
  .nav__toggle { display: inline-flex; }
  .js .nav__panel {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: var(--s-4);
    padding: var(--s-3) var(--gutter) var(--s-5);
    background: var(--bg);
    border-bottom: 1px solid var(--line);
    box-shadow: var(--sh-2);
  }
  .js .nav__panel.is-open { display: flex; }
  .nav__panel { flex-wrap: wrap; justify-content: flex-end; gap: var(--s-2) var(--s-5); }
  .nav__list { flex-direction: column; align-items: stretch; gap: 0; }
  .js .nav__link { display: block; padding-block: 0.85rem; font-size: var(--fs-lg); border-bottom: 1px solid var(--line); }
  .nav__panel .btn { width: 100%; }

  .hero__actions .btn { flex: 1 1 11rem; }
  .stage--hero .stage__inner { --u: calc(100cqw / 380); aspect-ratio: auto; padding: 4%; }
  .stage--hero .win { position: relative; inset: auto; width: 100%; }
  .stage--hero .win--wall, .stage--hero .win--ledger { display: none; }
  .stage--solo .stage__inner { --u: calc(100cqw / 380); }
  .quote-steps { grid-template-columns: minmax(0, 1fr); }
  .progress-split { grid-template-columns: minmax(0, 1fr); }
  .principles { grid-template-columns: minmax(0, 1fr); gap: var(--s-6); }
  .steps { grid-template-columns: minmax(0, 1fr); gap: var(--s-5); }
  .step { padding: 0 0 0 var(--s-7); }
  .step::before { top: 0.1rem; background: transparent; }
  .step::after, .step:last-child::after { top: 0.2rem; bottom: calc(var(--s-5) * -1); left: 0.55rem; right: auto; width: 1px; height: auto; background: var(--line-strong); }
  .step:last-child::after { display: none; }
  .spec div { grid-template-columns: minmax(0, 1fr); gap: 0.1rem; }
  .flow__node { white-space: normal; }
}

@media (max-width: 29.99rem) {
  .footer__grid { grid-template-columns: minmax(0, 1fr); gap: var(--s-6); }
  .cta-panel { padding: var(--s-6) var(--s-5); }
  .fit-list { grid-template-columns: minmax(0, 1fr); }
  .contact__card { padding: var(--s-5); }
}


/* ---------- 404 page ---------- */
.not-found-title { font-size: var(--fs-h2); }

/* ==========================================================================
   Scroll storytelling
   Everything below is progressive enhancement. With no JavaScript, with
   reduced motion, or on a small screen, each product shows its finished
   interface and a stepper, with no pinning and no scroll-linked movement.
   ========================================================================== */
:root { --ease: cubic-bezier(0.22, 0.61, 0.36, 1); --ease-out: cubic-bezier(0.16, 1, 0.3, 1); }

/* Overlay swapping: every [data-show] pane shares one grid cell and cross-fades */
.m-swap, .m-status, .m-dock--swap { display: grid; grid-template-columns: minmax(0, 1fr); }
.m-swap > [data-show], .m-status > [data-show], .m-dock--swap > [data-show] { grid-area: 1 / 1; min-width: 0; }
[data-show] { transition: opacity 0.5s var(--ease), transform 0.6s var(--ease-out), visibility 0s; }
.scene:not([data-step]):not([data-rest]) [data-show]:not([data-show~="3"]),
.scene[data-rest="1"]:not([data-step]) [data-show]:not([data-show~="1"]),
.scene[data-step="1"] [data-show]:not([data-show~="1"]),
.scene[data-step="2"] [data-show]:not([data-show~="2"]),
.scene[data-step="3"] [data-show]:not([data-show~="3"]) {
  opacity: 0;
  visibility: hidden;
  transform: translateY(calc(var(--u) * 5));
  transition: opacity 0.35s var(--ease), transform 0.35s var(--ease), visibility 0s 0.35s;
}
.m-status { justify-items: start; }
.m-crumb { justify-items: end; }
.m-dock--swap { padding: 0; }
.m-dock__row { display: flex; align-items: center; justify-content: space-between; gap: calc(var(--u) * 8); padding: calc(var(--u) * 8) calc(var(--u) * 10); }

/* Panes */
.m-pane { display: grid; gap: calc(var(--u) * 8); align-content: start; }
.m-search { padding: calc(var(--u) * 4.5) calc(var(--u) * 8); border: 1px solid var(--line); border-radius: calc(var(--u) * 4.5); background: var(--surface); color: var(--muted); font-size: calc(var(--u) * 9); }
.m-row--ord { grid-template-columns: minmax(0, 1fr) calc(var(--u) * 72) calc(var(--u) * 92); }
.m-row--q { grid-template-columns: minmax(0, 1fr) calc(var(--u) * 46) calc(var(--u) * 46) calc(var(--u) * 50); }
.m-row--ord .title, .m-row--q .title { display: grid; line-height: 1.25; }
.m-row .sub { font-family: var(--font-mono); font-size: calc(var(--u) * 7.5); color: var(--muted); font-weight: 400; }
.m-row--head.m-row--ord .size, .m-row--ord .size { text-align: left; }
.m-row.hl { background: var(--accent-soft); }
.m-row.sel { background: var(--accent-soft); box-shadow: inset calc(var(--u) * 2) 0 0 var(--blue); }
.m-row.sel .title, .m-row.sel .size { color: var(--ink); font-weight: 600; }
.m-chip--scan { background: var(--surface-2); color: var(--muted); }
.m-btn--off { background: var(--surface-2); color: var(--muted); }
.m-prog { width: calc(var(--u) * 70); height: calc(var(--u) * 5); border-radius: 999px; background: var(--line); overflow: hidden; }
.m-prog i { display: block; height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--cyan), var(--blue)); transform-origin: left; }
.scene[data-step="1"] .m-prog i { animation: prog 2.4s var(--ease) both; }
.scene:not([data-step="1"]) .m-prog i { transform: scaleX(1); }
@keyframes prog { from { transform: scaleX(0.04); } to { transform: scaleX(0.96); } }

/* Media Sync: the meter fills as the comparison completes, and the pick ticks appear last */
.m-meter { background: var(--surface-2); }
.m-meter i { transform-origin: left; transition: transform 0.9s var(--ease-out); }
.m-meter .present { transition-delay: 0.1s; }
.m-meter .review { transition-delay: 0.2s; }
.scene[data-step="1"] .m-meter i { transform: scaleX(0); transition-duration: 0.3s; transition-delay: 0s; }
.m-check { transition: background-color 0.3s var(--ease), border-color 0.3s var(--ease); }
.m-check::after { transition: opacity 0.3s var(--ease); }
.scene[data-step="1"] .m-check.pick, .scene[data-step="2"] .m-check.pick { background: var(--bg); border-color: var(--line-strong); }
.scene[data-step="1"] .m-check.pick::after, .scene[data-step="2"] .m-check.pick::after { opacity: 0; }
.m-row .title { transition: color 0.3s; }
.scene[data-step="1"] .m-row:not(.m-row--head) .title { color: var(--muted); }

/* Flow diagrams light up as the story reaches them */
.flow__node, .flow__group, .quote-steps li { transition: opacity 0.5s var(--ease); }
.scene-track:has(.scene[data-step="1"]) ~ .flow [data-n="3"], .scene-track:has(.scene[data-step="2"]) ~ .flow [data-n="3"] { opacity: 0.4; }
.scene-track:has(.scene[data-step="1"]) ~ .flow .quote-steps li:nth-child(n + 2), .scene-track:has(.scene[data-step="2"]) ~ .flow .quote-steps li:nth-child(n + 3) { opacity: 0.45; }

/* Fleet controller */
.m-split { display: grid; grid-template-columns: minmax(0, 1fr) calc(var(--u) * 122); gap: calc(var(--u) * 10); align-items: start; }
.m-wall--compact { gap: calc(var(--u) * 3); }
.m-wall--compact .m-tile { position: relative; aspect-ratio: 16 / 10; padding: calc(var(--u) * 3.5) calc(var(--u) * 4); font-size: calc(var(--u) * 7); transition: opacity 0.45s var(--ease), box-shadow 0.45s var(--ease), border-color 0.45s var(--ease); }
.m-wall--compact .m-tile small { font-size: 0; gap: 0; }
.m-tile .slot { position: absolute; top: calc(var(--u) * 3); right: calc(var(--u) * 4); font-family: var(--font-mono); font-size: calc(var(--u) * 6.5); color: #9fb2c4; opacity: 0; transition: opacity 0.4s var(--ease); }
.m-tile--empty .slot { color: var(--muted); }
.scene[data-step="3"] .m-tile .slot, .scene:not([data-step]):not([data-rest]) .m-tile .slot { opacity: 1; }
.scene[data-step="2"] .m-tile:not(.pick) { opacity: 0.5; }
.scene[data-step="2"] .m-tile.pick, .scene:not([data-step]):not([data-rest]) .m-tile.pick { box-shadow: 0 0 0 calc(var(--u) * 1.6) var(--bg), 0 0 0 calc(var(--u) * 3.2) var(--blue); }
.scene[data-step="3"] .m-tile--empty, .scene:not([data-step]):not([data-rest]) .m-tile--empty { border-color: var(--blue); color: var(--blue-strong); }
.m-side { border: 1px solid var(--line); border-radius: calc(var(--u) * 6); background: var(--surface); padding: calc(var(--u) * 8); font-size: calc(var(--u) * 8.5); min-height: calc(var(--u) * 150); align-content: start; }
.m-side-pane { display: grid; gap: calc(var(--u) * 6); align-content: start; }
.m-side-pane > b { font-size: calc(var(--u) * 11); letter-spacing: -0.01em; }
.m-side-pane small { color: var(--muted); font-size: calc(var(--u) * 8); }
.m-stats { display: grid; gap: calc(var(--u) * 3); }
.m-stats li { color: var(--muted); }
.m-stats b { color: var(--ink); font-size: calc(var(--u) * 14); font-variant-numeric: tabular-nums; margin-right: calc(var(--u) * 3); }
.m-stats .warn b { color: var(--amber); }
.m-pills, .m-btns { display: flex; flex-wrap: wrap; gap: calc(var(--u) * 4); }
.m-pills span, .m-btns span { padding: calc(var(--u) * 2.5) calc(var(--u) * 6); border: 1px solid var(--line-strong); border-radius: 999px; background: var(--bg); font-size: calc(var(--u) * 8); }
.m-screen { display: grid; place-items: center; aspect-ratio: 16 / 9; padding: calc(var(--u) * 6); border-radius: calc(var(--u) * 4); background: #14273a; color: #9fb2c4; text-align: center; font-size: calc(var(--u) * 8); }
.m-list { display: grid; gap: calc(var(--u) * 3); }
.m-list li { padding: calc(var(--u) * 4) calc(var(--u) * 6); border: 1px solid var(--line); border-radius: calc(var(--u) * 4); background: var(--bg); }

/* Step selector under each scene (built by JS) */
.stepper { display: flex; justify-content: center; flex-wrap: wrap; gap: var(--s-2); margin-top: var(--s-4); }
.stepper__btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  min-height: 2.5rem; padding: 0.35rem 0.9rem;
  border: 1px solid var(--line-strong); border-radius: 999px; background: var(--bg);
  color: var(--muted); font: inherit; font-size: var(--fs-sm); font-weight: 560; cursor: pointer;
  transition: background-color 0.25s var(--ease), color 0.25s var(--ease), border-color 0.25s var(--ease), box-shadow 0.25s var(--ease);
}
.stepper__btn span { font-family: var(--font-mono); font-size: var(--fs-xs); opacity: 0.7; }
.stepper__btn:hover { border-color: var(--ink); color: var(--ink); }
.stepper__btn[aria-pressed="true"] { background: var(--ink); border-color: var(--ink); color: var(--on-ink); box-shadow: var(--sh-1); }
.stepper__btn:focus-visible { outline: 3px solid var(--blue); outline-offset: 2px; }

/* Header: clean at the top, firmer once the page moves, with a thin progress line */
.site-header { transition: background-color 0.3s var(--ease), box-shadow 0.3s var(--ease), border-color 0.3s var(--ease); border-bottom-color: transparent; }
.site-header.is-scrolled { background: rgba(255, 255, 255, 0.86); border-bottom-color: var(--line); box-shadow: 0 8px 24px -16px rgba(11, 27, 43, 0.25); }
.site-header::after { content: ""; position: absolute; left: 0; right: 0; bottom: -1px; height: 2px; background: var(--grad); transform-origin: left; transform: scaleX(var(--pp, 0)); opacity: 0; transition: opacity 0.3s; pointer-events: none; }
.site-header.is-scrolled::after { opacity: 1; }
.nav__link { position: relative; }
.nav__link::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0.15rem; height: 2px; border-radius: 2px; background: var(--grad); transform: scaleX(0); transform-origin: left; transition: transform 0.35s var(--ease); }
.nav__link:hover::after, .nav__link:focus-visible::after { transform: scaleX(1); }
.btn { transition: background-color 0.25s var(--ease), border-color 0.25s var(--ease), box-shadow 0.25s var(--ease), transform 0.25s var(--ease); }
.btn:hover { transform: translateY(-1px); }
.btn--primary:hover { box-shadow: 0 10px 24px -10px rgba(11, 95, 209, 0.55); }
.btn:active { transform: translateY(0); }
.btn:focus-visible, .nav__link:focus-visible, .brand:focus-visible { outline: 3px solid var(--blue); outline-offset: 3px; }
.nav__link[aria-current="true"] { color: var(--ink); }
.nav__link[aria-current="true"]::after { transform: scaleX(1); }

/* Hero blends into the tinted products section */
.hero { background: linear-gradient(180deg, var(--bg) 0%, var(--bg) 78%, var(--surface) 100%); }
#products { border-top: 0; }
.hero h1 .line { display: block; }

/* ---------- Motion (opt-in: users who have not asked for reduced motion) ---------- */
@media (prefers-reduced-motion: no-preference) {
  @keyframes rise { from { opacity: 0; transform: translateY(1.25rem); } to { opacity: 1; transform: none; } }
  @keyframes rise-win { from { opacity: 0; transform: translateY(2rem) scale(0.97); } to { opacity: 1; transform: none; } }
  @keyframes fade { from { opacity: 0; } to { opacity: 1; } }

  .hero .eyebrow { animation: rise 0.7s var(--ease-out) 0.05s both; }
  .hero h1 .line { animation: rise 0.85s var(--ease-out) both; }
  .hero h1 .line:nth-child(1) { animation-delay: 0.1s; }
  .hero h1 .line:nth-child(2) { animation-delay: 0.2s; }
  .hero h1 .line:nth-child(3) { animation-delay: 0.3s; }
  .hero__lede { animation: rise 0.8s var(--ease-out) 0.42s both; }
  .hero__actions { animation: rise 0.8s var(--ease-out) 0.52s both; }
  .hero__facts { animation: fade 0.9s var(--ease) 0.75s both; }
  .hero__visual { animation: fade 0.8s var(--ease) 0.15s both; }
  .win--sync { animation: rise-win 1s var(--ease-out) 0.3s both; }
  .win--wall { animation: rise-win 1s var(--ease-out) 0.5s both; }
  .win--ledger { animation: rise-win 1s var(--ease-out) 0.65s both; }
  .hero .mock-note { animation: fade 0.8s var(--ease) 1s both; }

  /* Scroll reveals: only armed while JS is running and has confirmed it is ready (see js-flag.js) */
  .motion [data-reveal] { opacity: 0; transform: translateY(1.5rem); transition: opacity 0.8s var(--ease), transform 0.9s var(--ease-out); }
  .motion [data-reveal].is-in { opacity: 1; transform: none; }
  .motion .principles > [data-reveal]:nth-child(2), .motion .steps > [data-reveal]:nth-child(2) { transition-delay: 0.08s; }
  .motion .principles > [data-reveal]:nth-child(3), .motion .steps > [data-reveal]:nth-child(3) { transition-delay: 0.16s; }
  .motion .principles > [data-reveal]:nth-child(4), .motion .steps > [data-reveal]:nth-child(4) { transition-delay: 0.24s; }
  .motion .steps > [data-reveal]:nth-child(5) { transition-delay: 0.32s; }
}

/* ==========================================================================
   Art direction pass: ink and the logo's neon gradient, dark and light bands, cinematic opening
   The logo gradient (cyan, blue, violet, magenta) is the signature.
   ========================================================================== */
:root {
  --night: #070b18;
  --night-2: #0d1426;
  --on-night: #f2f5fa;
  --on-night-muted: #a9b6c8;
  --accent-text: #0b5fd1;
  --accent-soft2: rgba(42, 140, 255, 0.14);
  --fs-hero: clamp(2.75rem, 1.4rem + 4.4vw, 4.6rem);
  --fs-h2: clamp(2.25rem, 1.4rem + 3vw, 3.9rem);
}

/* Headline scale */
h1, h2, h3 { text-wrap: balance; }
.section h2, .band h2 { font-size: var(--fs-h2); letter-spacing: -0.04em; line-height: 1.03; font-weight: 650; }
.product h3 { font-size: clamp(2.1rem, 1.3rem + 2.4vw, 3.5rem); letter-spacing: -0.045em; line-height: 1.02; font-weight: 650; }
.product__lead { font-size: clamp(1.125rem, 1.05rem + 0.35vw, 1.3rem); line-height: 1.55; }

/* Section labels: a gradient tick that draws in, and product numbers */
.eyebrow { display: inline-flex; align-items: center; gap: 0.75rem; }
.eyebrow::before { content: ""; width: 1.75rem; height: 2px; background: var(--grad); transform-origin: left; flex: none; }
main { counter-reset: prod; }
.product { counter-increment: prod; }
.product__top .eyebrow::before { content: counter(prod, decimal-leading-zero); width: auto; height: auto; background: none; color: var(--accent-text); font-weight: 600; }
.product__top .eyebrow::after { content: ""; order: -1; }
.band--dark .product__top .eyebrow::before { color: var(--cyan); }

/* Bands */
.band { position: relative; padding-block: var(--s-9); }
.band--dark { background: var(--night); color: var(--on-night); }
.band--light { background: var(--bg); }
#products { padding-top: var(--s-8); }
.band--dark .section__head,
.band--dark .legend-note,
.band--dark .product__copy,
.band--dark .scene-title,
.band--dark .product__visual .scene > :not(.panel),
.band--dark .product__visual > .flow {
  --ink: #f2f5fa; --ink-2: #ffffff; --muted: #a9b6c8;
  --line: rgba(255, 255, 255, 0.14); --line-strong: rgba(255, 255, 255, 0.3);
  --bg: rgba(255, 255, 255, 0.04); --surface: rgba(255, 255, 255, 0.05); --surface-2: rgba(255, 255, 255, 0.08);
  --on-ink: #0a0e16; --blue-strong: #6fd3ff; --violet-strong: #c59bff; --green: #4fd194; --accent-text: #6fd3ff;
  --blue: #6fd3ff;
  color: var(--on-night);
}
.band--dark .legend-note { border-color: rgba(255, 255, 255, 0.12); }
.band--dark .mock-note { color: var(--on-night-muted); }
.band--dark .product { border-top-color: rgba(255, 255, 255, 0.1); }
.band--dark .product__visual .panel {
  position: relative; isolation: isolate;
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.075), rgba(255, 255, 255, 0.02));
  border-color: rgba(255, 255, 255, 0.12);
  box-shadow: 0 50px 90px -50px rgba(0, 0, 0, 0.9);
}
.band--dark .win { box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.1), 0 30px 70px -20px rgba(0, 0, 0, 0.75), 0 0 90px -30px rgba(25, 211, 245, 0.35); }
.band--light .product__visual .panel { position: relative; isolation: isolate; background: linear-gradient(160deg, #f7f9fb, #eef2f6); }
.panel::before { content: ""; position: absolute; z-index: -1; width: 70%; aspect-ratio: 1; left: -10%; top: -20%; border-radius: 50%; background: radial-gradient(circle, rgba(25, 211, 245, 0.2), transparent 65%); translate: calc(var(--sp, 0) * 70%) calc(var(--sp, 0) * 30%); pointer-events: none; }
.band--light .panel::before { background: radial-gradient(circle, rgba(10, 123, 255, 0.1), transparent 65%); }
.panel::after { content: ""; position: absolute; left: 1.25rem; right: 1.25rem; bottom: -1px; height: 2px; border-radius: 2px; background: var(--grad); transform-origin: left; transform: scaleX(var(--sp, 0)); opacity: 0; transition: opacity 0.4s; }
.scene[data-step] .panel::after { opacity: 1; }
.product__visual .panel { overflow: clip; }

/* Header joins the opening and becomes an ink glass bar */
.site-header { background: transparent; color: #fff; -webkit-backdrop-filter: none; backdrop-filter: none; border-bottom-color: transparent; }
.site-header .brand { color: #fff; }
.site-header .brand__ltd { color: var(--cyan); }
.site-header .nav__link { color: #c3cfda; }
.site-header .nav__link:hover, .site-header .nav__link[aria-current="true"] { color: #fff; }
.site-header .nav__toggle svg { stroke: #fff; }
.site-header .btn--primary { background: #fff; color: var(--ink); }
.site-header .btn--primary:hover { background: #e6ecf4; }
.site-header.is-scrolled { background: rgba(10, 14, 22, 0.8); -webkit-backdrop-filter: saturate(1.4) blur(14px); backdrop-filter: saturate(1.4) blur(14px); border-bottom-color: rgba(255, 255, 255, 0.1); box-shadow: 0 14px 34px -20px rgba(0, 0, 0, 0.7); }
.site-header:has(.nav__panel.is-open) { background: var(--night); }
.site-header .nav__link:focus-visible, .site-header .brand:focus-visible, .site-header .btn:focus-visible, .site-header .nav__toggle:focus-visible { outline-color: var(--cyan); }
.site-header::after { background: var(--grad); }
.nav__link::after { background: var(--grad); }

/* Cinematic hero */
.hero--dark { position: relative; margin-top: calc(var(--header-h) * -1); padding: 0; background: var(--night); color: var(--on-night); overflow: clip; }
.hero__sticky { position: relative; isolation: isolate; display: flex; flex-direction: column; min-height: 100svh; padding-top: calc(var(--header-h) + var(--s-5)); }
.hero__sticky::before {
  content: ""; position: absolute; inset: 0; z-index: -2;
  background:
    radial-gradient(55% 55% at 76% 32%, rgba(25, 211, 245, 0.17), transparent 70%),
    radial-gradient(45% 50% at 96% 72%, rgba(155, 77, 250, 0.24), transparent 70%),
    radial-gradient(40% 28% at 18% 108%, rgba(212, 75, 254, 0.16), transparent 70%);
  -webkit-mask-image: linear-gradient(180deg, #000 0%, #000 55%, transparent 100%); mask-image: linear-gradient(180deg, #000 0%, #000 55%, transparent 100%);
}
.section__head .eyebrow { font-size: var(--fs-xs); }
.hero__sticky::after {
  content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background-image: linear-gradient(90deg, rgba(255, 255, 255, 0.055) 1px, transparent 1px);
  background-size: 8.3333% 100%;
  -webkit-mask-image: linear-gradient(180deg, #000 0%, transparent 82%); mask-image: linear-gradient(180deg, #000 0%, transparent 82%);
}
.hero--dark .hero__grid { flex: 1; grid-template-columns: minmax(0, 1.02fr) minmax(0, 1.08fr); gap: var(--s-7); align-items: center; padding-block: var(--s-6); }
.hero--dark h1 { font-size: var(--fs-hero); color: #fff; letter-spacing: -0.05em; line-height: 0.98; font-weight: 660; margin-top: var(--s-5); }
.hero--dark .eyebrow { color: var(--on-night-muted); }
.hero--dark .hero__lede { color: var(--on-night-muted); font-size: clamp(1.1rem, 1rem + 0.45vw, 1.35rem); max-width: 31rem; }
.hero--dark .btn--primary { background: linear-gradient(90deg, #19d3f5, #2a8cff); color: #03101f; box-shadow: 0 14px 34px -14px rgba(42, 140, 255, 0.75); }
.hero--dark .btn--primary:hover { background: linear-gradient(90deg, #5ae4ff, #5aa5ff); box-shadow: 0 18px 44px -14px rgba(42, 140, 255, 0.95); }
.hero--dark .btn--secondary { background: rgba(255, 255, 255, 0.04); color: #fff; border-color: rgba(255, 255, 255, 0.28); box-shadow: none; }
.hero--dark .btn--secondary:hover { border-color: #fff; background: rgba(255, 255, 255, 0.1); }
.hero--dark .btn:focus-visible, .hero--dark a:focus-visible { outline-color: var(--cyan); }
.hero--dark .hero__visual { background: none; border: 0; border-radius: 0; overflow: visible; }
.hero--dark .stage--hero { -webkit-mask-image: linear-gradient(180deg, #000 68%, transparent 100%); mask-image: linear-gradient(180deg, #000 68%, transparent 100%); }
.hero--dark .win { box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.1), 0 40px 80px -24px rgba(0, 0, 0, 0.8), 0 0 110px -30px rgba(25, 211, 245, 0.3); }
.hero--dark .win--ledger { box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.1), 0 40px 80px -24px rgba(0, 0, 0, 0.8), 0 0 90px -28px rgba(212, 75, 254, 0.4); }
.hero--dark .mock-note { color: var(--on-night-muted); }
.hero__foot { display: flex; align-items: flex-end; justify-content: space-between; gap: var(--s-5); padding-block: var(--s-5) var(--s-6); border-top: 1px solid rgba(255, 255, 255, 0.12); }
.hero--dark .hero__facts { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--s-2) var(--s-6); font-size: var(--fs-sm); flex: 1; margin: 0; padding: 0; border: 0; max-width: none; color: var(--on-night-muted); }
.hero--dark .hero__facts li::before { background: var(--grad); }
.scroll-cue { display: inline-flex; align-items: center; gap: 0.8rem; flex: none; color: var(--on-night-muted); font-family: var(--font-mono); font-size: var(--fs-xs); letter-spacing: 0.14em; text-transform: uppercase; text-decoration: none; transition: color 0.25s, opacity 0.3s; }
.scroll-cue:hover { color: #fff; }
.scroll-cue i { position: relative; width: 1px; height: 2.75rem; background: rgba(255, 255, 255, 0.25); overflow: hidden; }
.scroll-cue i::after { content: ""; position: absolute; left: -1px; top: 0; width: 3px; height: 40%; background: linear-gradient(180deg, #19d3f5, #d44bfe); animation: cue 2.4s var(--ease) infinite; }
.hero.is-away .scroll-cue i::after { animation-play-state: paused; }
@keyframes cue { from { transform: translateY(-100%); } to { transform: translateY(260%); } }

/* Product detail on dark: panels read as hardware, the stepper as a control strip */
.stepper__btn[aria-pressed="true"] { background: var(--accent-soft2); border-color: var(--blue); color: var(--ink); box-shadow: none; }
.stepper__btn[aria-pressed="true"] span { color: var(--accent-text); opacity: 1; }
.stepper__btn:focus-visible { outline-color: var(--cyan); }
.band--dark .stepper__btn { background: transparent; }
.band--dark .stepper__btn:hover { border-color: #fff; color: #fff; }

/* Media Sync: selected files move to staging */
.m-moved { display: inline-flex; align-items: center; gap: calc(var(--u) * 5); min-width: 0; }
.m-moved i { font-style: normal; font-family: var(--font-mono); font-size: calc(var(--u) * 8); padding: calc(var(--u) * 2.5) calc(var(--u) * 6); border-radius: calc(var(--u) * 3); background: var(--accent-soft); color: var(--blue-strong); white-space: nowrap; transition: transform 0.7s var(--ease-out), opacity 0.5s var(--ease); }
.m-moved i:nth-child(2) { transition-delay: 0.1s; }
.m-moved em { font-style: normal; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.scene[data-step="3"] .m-moved i { transform: none; }
.m-dock__row[data-show~="3"] .m-moved i { transform: translateY(calc(var(--u) * -34)); opacity: 0; }
.scene[data-step="3"] .m-dock__row[data-show~="3"] .m-moved i, .scene:not([data-step]):not([data-rest]) .m-dock__row[data-show~="3"] .m-moved i { transform: none; opacity: 1; }
.m-field span { transition: border-color 0.4s var(--ease), background-color 0.4s var(--ease); }
.scene[data-step="3"] .m-fields .m-field:nth-child(3) span, .scene[data-scene="sync"]:not([data-step]) .m-fields .m-field:nth-child(3) span { border-color: var(--blue); background: var(--accent-soft2); }

/* Rows rise into place when their pane appears */
.m-pane .m-row, .m-swap .m-table .m-row { transition: transform 0.7s var(--ease-out); }
.scene[data-step="1"] [data-show]:not([data-show~="1"]) .m-row,
.scene[data-step="2"] [data-show]:not([data-show~="2"]) .m-row,
.scene[data-step="3"] [data-show]:not([data-show~="3"]) .m-row,
.scene:not([data-step]):not([data-rest]) [data-show]:not([data-show~="3"]) .m-row { transform: translateY(calc(var(--u) * 9)); }
.m-pane .m-table .m-row:nth-child(2) { transition-delay: 0.05s; }
.m-pane .m-table .m-row:nth-child(3) { transition-delay: 0.12s; }
.m-pane .m-table .m-row:nth-child(4) { transition-delay: 0.19s; }
.m-pane .m-table .m-row:nth-child(5) { transition-delay: 0.26s; }
.m-row.sel { box-shadow: inset calc(var(--u) * 2.5) 0 0 var(--blue); }
.m-row.hl { box-shadow: inset calc(var(--u) * 2.5) 0 0 var(--blue); }

/* Fleet: the wall assembles on a diagonal, a cyan scan line selects, glowing rings mark the selection */
.m-wall--compact { position: relative; overflow: clip; overflow-clip-margin: 6px; }
.m-wall--compact::after { content: ""; position: absolute; inset: 0; pointer-events: none; opacity: 0; background: linear-gradient(90deg, transparent 0%, rgba(25, 211, 245, 0) 55%, rgba(25, 211, 245, 0.16) 96%, rgba(120, 190, 255, 0.95) 100%); }
.scene[data-step="2"] .m-wall--compact::after { animation: scan 1.3s var(--ease) both; }
@keyframes scan { 0% { opacity: 1; transform: translateX(-100%); } 85% { opacity: 1; } 100% { opacity: 0; transform: translateX(8%); } }
.scene[data-step="2"] .m-tile.pick, .scene:not([data-step]):not([data-rest]) .m-tile.pick { box-shadow: 0 0 0 calc(var(--u) * 1.6) var(--night), 0 0 0 calc(var(--u) * 3.2) var(--cyan), 0 0 calc(var(--u) * 18) rgba(25, 211, 245, 0.5); }
.scene[data-step="3"] .m-tile--empty, .scene:not([data-step]):not([data-rest]) .m-tile--empty { border-color: var(--blue); color: var(--accent-text); }
@keyframes tile-in { from { opacity: 0; transform: scale(0.82); } to { opacity: 1; transform: none; } }
@keyframes panel-in { from { opacity: 0; transform: translateY(2.5rem) scale(0.985); } to { opacity: 1; transform: none; } }

/* ---------- Motion ---------- */
@media (prefers-reduced-motion: no-preference) {
  .hero--dark h1 .line { animation: line-in 1s var(--ease-out) both; }
  .hero--dark h1 .line:nth-child(1) { animation-delay: 0.1s; }
  .hero--dark h1 .line:nth-child(2) { animation-delay: 0.22s; }
  .hero--dark h1 .line:nth-child(3) { animation-delay: 0.34s; }
  @keyframes line-in { from { opacity: 0; transform: translateY(0.5em); clip-path: inset(0 0 100% 0); } to { opacity: 1; transform: none; clip-path: inset(-12% -6% -12% -6%); } }
  .hero .eyebrow::before { animation: draw 0.9s var(--ease-out) 0.15s both; }
  @keyframes draw { from { transform: scaleX(0); } to { transform: scaleX(1); } }
  .hero__foot { animation: fade 1s var(--ease) 1.1s backwards; }
  .win--sync { animation: rise-win 1.2s var(--ease-out) 0.35s backwards; }
  .win--wall { animation: rise-win 1.2s var(--ease-out) 0.6s backwards; }
  .win--ledger { animation: rise-win 1.2s var(--ease-out) 0.8s backwards; }
  .motion [data-reveal] .eyebrow::before, .motion .eyebrow[data-reveal]::before { transform: scaleX(0); transition: transform 0.9s var(--ease-out) 0.3s; }
  .motion [data-reveal].is-in .eyebrow::before, .motion .eyebrow[data-reveal].is-in::before { transform: scaleX(1); }
  .motion .product__top .eyebrow::before { transform: none; }

  /* Each scene rises into view once, then the fleet wall assembles */
  .motion .scene:not(.is-live) .panel { opacity: 0; }
  .motion .scene.is-live .panel { animation: panel-in 1s var(--ease-out) both; }
  .motion .scene:not(.is-live) .m-tile { opacity: 0; }
  .motion .scene.is-live .m-wall--compact .m-tile { animation: tile-in 0.7s var(--ease-out) both; }
.scene .m-wall--compact .m-tile:nth-child(1) { animation-delay: 120ms; --d: 0.00; }
.scene .m-wall--compact .m-tile:nth-child(2) { animation-delay: 175ms; --d: 0.20; }
.scene .m-wall--compact .m-tile:nth-child(3) { animation-delay: 230ms; --d: 0.40; }
.scene .m-wall--compact .m-tile:nth-child(4) { animation-delay: 285ms; --d: 0.60; }
.scene .m-wall--compact .m-tile:nth-child(5) { animation-delay: 340ms; --d: 0.80; }
.scene .m-wall--compact .m-tile:nth-child(6) { animation-delay: 175ms; --d: 0.20; }
.scene .m-wall--compact .m-tile:nth-child(7) { animation-delay: 230ms; --d: 0.40; }
.scene .m-wall--compact .m-tile:nth-child(8) { animation-delay: 285ms; --d: 0.60; }
.scene .m-wall--compact .m-tile:nth-child(9) { animation-delay: 340ms; --d: 0.80; }
.scene .m-wall--compact .m-tile:nth-child(10) { animation-delay: 395ms; --d: 1.00; }
.scene .m-wall--compact .m-tile:nth-child(11) { animation-delay: 230ms; --d: 0.40; }
.scene .m-wall--compact .m-tile:nth-child(12) { animation-delay: 285ms; --d: 0.60; }
.scene .m-wall--compact .m-tile:nth-child(13) { animation-delay: 340ms; --d: 0.80; }
.scene .m-wall--compact .m-tile:nth-child(14) { animation-delay: 395ms; --d: 1.00; }
.scene .m-wall--compact .m-tile:nth-child(15) { animation-delay: 450ms; --d: 1.20; }
.scene .m-wall--compact .m-tile:nth-child(16) { animation-delay: 285ms; --d: 0.60; }
.scene .m-wall--compact .m-tile:nth-child(17) { animation-delay: 340ms; --d: 0.80; }
.scene .m-wall--compact .m-tile:nth-child(18) { animation-delay: 395ms; --d: 1.00; }
.scene .m-wall--compact .m-tile:nth-child(19) { animation-delay: 450ms; --d: 1.20; }
.scene .m-wall--compact .m-tile:nth-child(20) { animation-delay: 505ms; --d: 1.40; }
.scene .m-wall--compact .m-tile:nth-child(21) { animation-delay: 340ms; --d: 0.80; }
.scene .m-wall--compact .m-tile:nth-child(22) { animation-delay: 395ms; --d: 1.00; }
.scene .m-wall--compact .m-tile:nth-child(23) { animation-delay: 450ms; --d: 1.20; }
.scene .m-wall--compact .m-tile:nth-child(24) { animation-delay: 505ms; --d: 1.40; }
.scene .m-wall--compact .m-tile:nth-child(25) { animation-delay: 560ms; --d: 1.60; }
}

/* Small screens: stacked hero, deliberate rather than shrunk */
@media (max-width: 63.99rem) {
  .hero--dark { min-height: 0; }
  .hero--dark .hero__grid { grid-template-columns: minmax(0, 1fr); gap: var(--s-6); padding-block: var(--s-5) var(--s-6); }
  .band { padding-block: var(--s-8); }
}
@media (max-width: 63.99rem) {
  .hero--dark .hero__facts { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 47.99rem) {
  .js .nav__panel { background: var(--night-2); border-bottom-color: rgba(255, 255, 255, 0.1); box-shadow: 0 24px 40px -20px rgba(0, 0, 0, 0.7); }
  .js .nav__link { border-bottom-color: rgba(255, 255, 255, 0.1); color: #e6ecf4; }
  .hero__foot { flex-direction: column; align-items: flex-start; }
  .scroll-cue { display: none; }
  .hero--dark .stage--hero { -webkit-mask-image: none; mask-image: none; }
  .band { padding-block: var(--s-7); }
}


/* ==========================================================================
   Scroll-scrubbed experience
   When pinning is on, JavaScript writes plain numbers (progress and per-step
   weights) and CSS turns them into movement, so every effect is tied directly
   to scroll position and plays in reverse when you scroll back.
   ========================================================================== */
.scene__caption { display: grid; grid-template-columns: minmax(0, 1fr); margin-top: var(--s-3); min-height: 3.2em; text-align: center; font-size: var(--fs-md); line-height: 1.5; color: var(--muted); }
.scene__caption > [data-show] { grid-area: 1 / 1; align-self: start; }
.scene-track { min-width: 0; }

.scene-title { display: none; }

/* Curtains between bands */
.band > .container { position: relative; z-index: 1; }
.band--light::before, .band--fleet::before { content: ""; position: absolute; inset: 0 0 auto 0; height: 11rem; pointer-events: none; z-index: 0; }
.band--light::before { background: linear-gradient(180deg, var(--night), rgba(7, 11, 24, 0)); }
.band--fleet::before { background: linear-gradient(180deg, #ffffff, rgba(255, 255, 255, 0)); }

/* Word-by-word lighting of the opening statement */
.motion [data-words] .w { opacity: 0.22; transition: opacity 0.35s var(--ease); }
.motion [data-words] .w.on { opacity: 1; }

/* ---- Pinned hero (wide, tall screens, motion allowed) ---- */
@media (min-width: 64rem) and (min-height: 40rem) and (prefers-reduced-motion: no-preference) {
  .hero--dark { height: 210svh; }
  .hero__sticky { padding-top: calc(var(--header-h) + 1svh); }
  .hero--dark .hero__grid { padding-block: 1svh; }
  .hero--dark h1 { font-size: min(var(--fs-hero), 8.6svh); margin-top: min(var(--s-5), 2.5svh); }
  .hero--dark .hero__lede { font-size: min(1.35rem, 2.6svh); margin-top: min(var(--s-5), 3svh); max-width: 34rem; }
  .hero--dark .hero__actions { margin-top: min(var(--s-6), 3.5svh); }
  .hero__foot { padding-block: 2svh 2.5svh; }
  .hero--dark .hero__grid > figure { min-width: 0; }
  .hero--dark .stage--hero { max-width: min(100%, calc((100svh - 18.5rem) * 1.02)); margin-left: auto; }
  .hero__sticky { position: sticky; top: 0; height: 100svh; min-height: 0; overflow: clip; }
  .hero--dark .hero__grid > div:first-child { translate: 0 calc(var(--hp, 0) * -80px); scale: calc(1 - var(--hp, 0) * 0.08); opacity: calc(1 - var(--hp, 0) * 2); transform-origin: left center; }
  .hero--dark .stage--hero { transform: translateY(calc(var(--hp, 0) * -3%)) scale(calc(1 + var(--hp, 0) * 0.22)); transform-origin: 50% 40%; }
  .win--sync { translate: calc(var(--hp, 0) * 9%) calc(var(--hp, 0) * -4%); scale: calc(1 + var(--hp, 0) * 0.1); }
  .win--wall { translate: calc(var(--hp, 0) * -45%) calc(var(--hp, 0) * 55%); opacity: calc(1 - var(--hp, 0) * 1.4); }
  .win--ledger { translate: calc(var(--hp, 0) * 40%) calc(var(--hp, 0) * 55%); opacity: calc(1 - var(--hp, 0) * 1.4); }
  .hero__foot { opacity: calc(1 - var(--hp, 0) * 3); }
  .hero__sticky::before { translate: calc(var(--hp, 0) * -6%) calc(var(--hp, 0) * 8%); scale: calc(1 + var(--hp, 0) * 0.25); }
}

/* ---- Pinned product scenes (wide, tall screens, motion allowed) ---- */
@media (min-width: 64rem) and (min-height: 40rem) and (prefers-reduced-motion: no-preference) {
  .product { min-height: 200vh; }
  .product__left { display: flex; flex-direction: column; align-self: stretch; min-width: 0; }
  .scene-title { display: block; position: sticky; top: max(calc(var(--header-h) + var(--s-5)), 17svh); margin-top: var(--s-7); padding-bottom: var(--s-7); }
  .scene-title__label { font-family: var(--font-mono); font-size: var(--fs-xs); letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); margin-bottom: var(--s-3); }
  .scene-title__big { display: grid; font-size: clamp(3.25rem, 1.5rem + 5.2vw, 6.25rem); font-weight: 680; letter-spacing: -0.055em; line-height: 0.95; }
  .scene-title__big > span { grid-area: 1 / 1; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; -webkit-text-fill-color: transparent; padding-bottom: 0.08em; will-change: opacity, translate; }
  .product__left:has(+ .product__visual) { }
  .scene-title [data-show="1"] { opacity: var(--w1, 1); translate: 0 calc((1 - var(--w1, 1)) * 40px); }
  .scene-title [data-show="2"] { opacity: var(--w2, 0); translate: 0 calc((1 - var(--w2, 0)) * 40px); }
  .scene-title [data-show="3"] { opacity: var(--w3, 0); translate: 0 calc((1 - var(--w3, 0)) * 40px); }
  .hero--dark .mock-note { opacity: calc(1 - var(--hp, 0) * 3); }
  .product__visual { display: flex; flex-direction: column; align-self: stretch; }
  .scene-track { flex: 1 1 auto; }
  .scene { position: sticky; top: max(calc(var(--header-h) + var(--s-4)), 15svh); }
  .product__visual > .flow { margin-top: var(--s-5); }

  .scene.scrub [data-show] { transition: none !important; visibility: visible !important; transform: none !important; }
  .scene.scrub [data-show="1"] { opacity: var(--w1, 1) !important; translate: 0 calc((1 - var(--w1, 1)) * 16px); }
  .scene.scrub [data-show="2"] { opacity: var(--w2, 0) !important; translate: 0 calc((1 - var(--w2, 0)) * 16px); }
  .scene.scrub [data-show="3"] { opacity: var(--w3, 0) !important; translate: 0 calc((1 - var(--w3, 0)) * 16px); }
  .scene.scrub [data-show="2 3"] { opacity: max(var(--w2, 0), var(--w3, 0)) !important; translate: 0 calc((1 - max(var(--w2, 0), var(--w3, 0))) * 16px); }
  .scene.scrub .m-meter i { transition: none !important; transform: scaleX(max(var(--w2, 0), var(--w3, 0))) !important; }
  .scene.scrub .panel { opacity: calc(0.08 + 0.92 * var(--en, 1)) !important; transform: translateY(calc((1 - var(--en, 1)) * 90px)) scale(calc(0.88 + 0.12 * var(--en, 1))); animation: none !important; transform-origin: 50% 100%; }
  .scene.scrub .stage { perspective: 1500px; }
  .scene.scrub .win { transform: rotateX(calc((1 - var(--en, 1)) * 14deg + (var(--sp, 0) - 0.5) * -5deg)) rotateY(calc((var(--sp, 0) - 0.5) * 5deg)); transform-origin: 50% 60%; }
  .scene.scrub .m-wall--compact .m-tile { --k: clamp(0, calc(var(--en, 1) * 2.8 - var(--d, 0)), 1); opacity: calc(var(--k) * (1 - var(--w2, 0) * 0.55)) !important; scale: calc(0.8 + 0.2 * var(--k)); animation: none !important; transition: none !important; }
  .scene.scrub .m-wall--compact .m-tile.pick { opacity: var(--k) !important; }
  .scene.scrub .m-tile .slot { opacity: var(--w3, 0) !important; transition: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; transition-delay: 0s !important; animation-delay: 0s !important; }
  .scroll-cue i::after { animation: none; height: 100%; opacity: 0.5; }
}

.hero--dark h1 .line:nth-child(3) { width: fit-content; background: linear-gradient(90deg, #19d3f5 0%, #2a8cff 38%, #9b4dfa 72%, #d94cfe 100%); -webkit-background-clip: text; background-clip: text; color: transparent; -webkit-text-fill-color: transparent; padding-right: 0.08em; }

/* Real application screenshots (replace the earlier drawn mock-ups) */
.win { display: grid; grid-template-columns: minmax(0, 1fr); background: #0b1220; }
.win > img { grid-area: 1 / 1; display: block; width: 100%; height: auto; max-width: none; aspect-ratio: 8 / 5; object-fit: cover; }
.band--light .win { background: #f4f7fb; }
.stage--real .stage__inner { --u: 1px; }
.product__visual .panel:has(.stage--real) { padding: clamp(0.4rem, 1.2vw, 0.75rem); }
.stage--real .win { border-radius: 10px; }