/* ============================================================
   Matrix Inno — matrixinno.com
   Design language: Apple product page × hard-tech HUD
   v2 — unified chapter system + scroll-scrub animation engine
   ============================================================ */

:root {
  --bg: #030304;
  --bg-elev: #0a0a0d;
  --surface: rgba(255, 255, 255, 0.035);
  --border: rgba(255, 255, 255, 0.09);
  --border-strong: rgba(255, 255, 255, 0.18);
  --text: #f5f5f7;
  --text-dim: #a1a6b0;
  --text-faint: #6b6e77;
  --accent: #4f8dff;
  --accent-2: #35e0c8;
  --gradient: linear-gradient(95deg, #6ea8ff 0%, #4f8dff 55%, #35e0c8 100%);
  --radius: 22px;
  --radius-lg: 28px;
  --nav-h: 60px;
  --pad: 140px;
  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "SF Mono", SFMono-Regular, Menlo,
    monospace;
  --ease: cubic-bezier(0.22, 0.61, 0.21, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html {
  scroll-padding-top: calc(var(--nav-h) + 24px);
  overflow-x: hidden;
  overflow-x: clip;
}

@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  overflow-x: clip;
}

::selection { background: rgba(79, 141, 255, 0.35); }

img, svg { display: block; max-width: 100%; }

a { color: inherit; text-decoration: none; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

.container { width: min(1160px, calc(100% - 48px)); margin: 0 auto; }

/* ============================================================
   Typography
   ============================================================ */

h1, h2, h3, h4 { font-weight: 600; letter-spacing: -0.02em; line-height: 1.1; }

.display {
  font-size: clamp(2.9rem, 8vw, 6.4rem);
  font-weight: 700;
  letter-spacing: -0.045em;
  line-height: 1.02;
}

.headline { font-size: clamp(2.1rem, 4.8vw, 3.7rem); letter-spacing: -0.035em; }

.subhead {
  font-size: clamp(1.05rem, 1.6vw, 1.28rem);
  color: var(--text-dim);
  font-weight: 400;
  max-width: 44em;
}

.lead { margin-top: 20px; }

.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 0.76rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 22px;
}

.eyebrow::before {
  content: "";
  width: 26px;
  height: 1px;
  background: var(--accent);
  opacity: 0.7;
}

.gradient-text {
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* Word-scrub spans (.w) get their own opacity layer, which breaks the
   parent's background-clip: text — re-apply the gradient clip per word. */
.gradient-text .w {
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
}

.mono { font-family: var(--mono); }

.note {
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-faint);
  line-height: 1.8;
}

/* ============================================================
   Nav
   ============================================================ */

.nav {
  position: fixed;
  inset: 0 0 auto 0;
  height: var(--nav-h);
  z-index: 100;
  display: flex;
  align-items: center;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background 0.4s, border-color 0.4s;
}

.nav.scrolled {
  background: rgba(3, 3, 4, 0.72);
  -webkit-backdrop-filter: saturate(180%) blur(22px);
  backdrop-filter: saturate(180%) blur(22px);
  border-bottom-color: rgba(255, 255, 255, 0.07);
}

.nav-inner {
  width: min(1160px, calc(100% - 48px));
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.logo { display: flex; align-items: center; gap: 9px; flex-shrink: 0; }

.logo img { height: 14px; width: auto; filter: invert(1) brightness(1.8); }

.logo-inno {
  font-family: "Michroma", var(--font);
  font-size: 13.5px;
  letter-spacing: 0.3em;
  font-weight: 400;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  transform: translateY(0.5px);
}

.nav-links { display: flex; align-items: center; gap: 26px; }

.nav-links a {
  font-size: 0.9rem;
  color: var(--text-dim);
  transition: color 0.2s;
  position: relative;
}

.nav-links a:hover { color: var(--text); }

.nav-links a.active { color: var(--text); }

.nav-links a.active:not(.btn)::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -6px;
  height: 2px;
  border-radius: 2px;
  background: var(--gradient);
}

.nav-toggle { display: none; }

/* ============================================================
   Buttons
   ============================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 26px;
  border-radius: 999px;
  font-size: 0.95rem;
  font-weight: 600;
  transition: transform 0.25s var(--ease), box-shadow 0.25s, border-color 0.25s, background 0.25s;
  cursor: pointer;
  border: 1px solid transparent;
  white-space: nowrap;
}

.btn .arr { transition: transform 0.25s var(--ease); }

.btn:hover .arr { transform: translateX(3px); }

.btn-primary { background: var(--text); color: #0a0a0d; }

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 40px rgba(255, 255, 255, 0.18);
}

.btn-ghost { border-color: var(--border-strong); color: var(--text); }

.btn-ghost:hover { border-color: rgba(255, 255, 255, 0.45); transform: translateY(-2px); }

.btn-sm { padding: 8px 18px; font-size: 0.86rem; }

/* ============================================================
   Hero
   ============================================================ */

.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: calc(var(--nav-h) + 56px);
  text-align: center;
  overflow: clip;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(ellipse 55% 40% at 50% -4%, rgba(79, 141, 255, 0.17), transparent 65%),
    radial-gradient(ellipse 40% 32% at 82% 40%, rgba(53, 224, 200, 0.05), transparent 70%),
    var(--bg);
}

.hero-grid {
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: radial-gradient(ellipse 75% 60% at 50% 30%, #000 15%, transparent 75%);
  mask-image: radial-gradient(ellipse 75% 60% at 50% 30%, #000 15%, transparent 75%);
}

.hero-copy {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 26px;
  will-change: transform, opacity;
}

.hero-copy .subhead { margin: 0 auto; max-width: 38em; }

.hero-ctas {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 8px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 7px 16px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.badge .dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent);
  animation: blink 2.4s ease-in-out infinite;
}

@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0.35; } }

/* Apple-style zoom-out reveal panel */

.zoom-stage { width: 100%; margin-top: 70px; padding-bottom: 96px; }

.zoom-frame {
  width: min(1160px, calc(100% - 40px));
  margin: 0 auto;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  background: #0c0d12;
  box-shadow: 0 30px 90px rgba(0, 0, 0, 0.55);
  transform-origin: center top;
  will-change: transform, opacity;
  position: relative;
}

.zoom-frame > img {
  width: 100%;
  max-height: 580px;
  object-fit: cover;
  will-change: transform;
}

.zoom-frame--light { background: #fff; padding: 30px; }

.zoom-frame--light > img { object-fit: contain; max-height: 470px; margin: 0 auto; }

.hud {
  position: absolute;
  left: 22px;
  bottom: 18px;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.78);
  background: rgba(3, 3, 4, 0.55);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
  padding: 8px 14px;
}

.scroll-cue {
  position: absolute;
  top: calc(100svh - 78px);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--text-faint);
  pointer-events: none;
}

.scroll-cue::after {
  content: "";
  width: 1px;
  height: 34px;
  background: linear-gradient(var(--accent), transparent);
  animation: cue 2.2s var(--ease) infinite;
}

@keyframes cue {
  0% { transform: scaleY(0); transform-origin: top; }
  45% { transform: scaleY(1); transform-origin: top; }
  55% { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ============================================================
   Chapters (sections)
   ============================================================ */

.chapter { padding: var(--pad) 0; position: relative; }

.chapter--band { background: var(--bg-elev); border-block: 1px solid var(--border); }

.chapter--flush-top { padding-top: 90px; }

.chapter--pin { padding: 0; }

.section-head { max-width: 800px; margin-bottom: 64px; }

.section-head.center { margin-inline: auto; text-align: center; }

.section-head.center .eyebrow { justify-content: center; }

.section-head.center .subhead { margin-inline: auto; }

/* ============================================================
   Pinned scrub story
   ============================================================ */

.pin-wrap { height: 360vh; position: relative; }

.pin {
  position: sticky;
  top: 0;
  height: 100svh;
  overflow: clip;
  display: flex;
  align-items: center;
  justify-content: center;
}

.pin-bg { position: absolute; inset: -5%; will-change: transform; }

.pin-bg-img {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  filter: brightness(0.5) saturate(1.05);
  opacity: 0;
  transition: opacity 0.7s var(--ease);
}

.pin-bg-img.active { opacity: 1; }

.pin-veil {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 90% 70% at 50% 50%, transparent 25%, rgba(3, 3, 4, 0.88) 100%),
    linear-gradient(rgba(3, 3, 4, 0.5), transparent 30%, transparent 70%, rgba(3, 3, 4, 0.6));
}

.pin-copy {
  position: relative;
  text-align: center;
  padding: 0 24px;
  max-width: 940px;
  width: 100%;
  height: 280px;
}

.pin-phase {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 18px;
  opacity: 0;
  transform: translateY(44px) scale(0.97);
  transition: opacity 0.55s var(--ease), transform 0.55s var(--ease);
  pointer-events: none;
}

.pin-phase.active { opacity: 1; transform: none; }

.pin-phase .k {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.34em;
  text-transform: uppercase;
  color: var(--accent-2);
}

.pin-phase h3 {
  font-size: clamp(2rem, 5.4vw, 4rem);
  font-weight: 700;
  letter-spacing: -0.035em;
}

.pin-phase p {
  color: var(--text-dim);
  font-size: clamp(1rem, 1.5vw, 1.2rem);
  max-width: 34em;
}

.pin-progress {
  position: absolute;
  bottom: 34px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
}

.pin-progress i {
  width: 34px; height: 3px;
  border-radius: 2px;
  background: rgba(255, 255, 255, 0.16);
  overflow: hidden;
  position: relative;
}

.pin-progress i::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--gradient);
  transform: scaleX(var(--fill, 0));
  transform-origin: left;
}

/* ============================================================
   Word-scrub statement (Apple text fill)
   ============================================================ */

.scrub-wrap { height: 220vh; position: relative; }

.scrub-sticky {
  position: sticky;
  top: 0;
  height: 100svh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.scrub-text {
  font-size: clamp(1.7rem, 3.8vw, 3.1rem);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 1.28;
  max-width: 17em;
  text-align: center;
  text-wrap: balance;
  padding: 0 24px;
}

.scrub-text em {
  font-style: normal;
  display: block;
  margin-top: 0.6em;
  padding-inline: 0.15em;
}

.scrub-text .w { opacity: 0.14; will-change: opacity; }

/* ============================================================
   About / stats
   ============================================================ */

.split { display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: center; }

.split .subhead { margin-top: 18px; }

.photo-panel {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  background: #0c0d12;
  position: relative;
}

.photo-panel img { width: 100%; height: 100%; min-height: 340px; object-fit: cover; }

.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  margin-top: 72px;
}

.stat { background: var(--bg-elev); padding: 42px 28px; text-align: center; }

.stat-value {
  font-size: clamp(2rem, 3.6vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.stat-label {
  color: var(--text-faint);
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-top: 10px;
}

/* ============================================================
   Cards
   ============================================================ */

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }

.card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 32px;
  transition: transform 0.35s var(--ease), border-color 0.35s, background 0.35s;
  overflow: hidden;
}

.card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(420px 220px at var(--mx, 50%) var(--my, 0%), rgba(79, 141, 255, 0.1), transparent 65%);
  opacity: 0;
  transition: opacity 0.35s;
  pointer-events: none;
}

.card:hover { transform: translateY(-5px); border-color: var(--border-strong); }

.card:hover::before { opacity: 1; }

.card h3 { font-size: 1.22rem; margin-bottom: 10px; }

.card p { color: var(--text-dim); font-size: 0.96rem; }

.card-icon {
  width: 44px; height: 44px;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(79, 141, 255, 0.1);
  border: 1px solid rgba(79, 141, 255, 0.3);
  margin-bottom: 20px;
  color: var(--accent);
}

.card-icon svg { width: 22px; height: 22px; }

.card ul { list-style: none; margin-top: 14px; }

.card ul li {
  color: var(--text-dim);
  font-size: 0.93rem;
  padding: 5px 0 5px 22px;
  position: relative;
}

.card ul li::before {
  content: "";
  position: absolute;
  left: 0; top: 13px;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
}

.card-photo { padding: 0; display: flex; flex-direction: column; }

.card-photo > img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  border-bottom: 1px solid var(--border);
  background: #101218;
  transition: transform 0.6s var(--ease);
}

.card-photo:hover > img { transform: scale(1.05); }

.card-photo .card-body { padding: 26px 28px 30px; position: relative; }

.card-photo .img-contain { object-fit: contain; background: #fff; }

.card-link { color: var(--accent); font-weight: 600; display: inline-flex; align-items: center; gap: 6px; margin-top: 14px; }

.card-link .arr { transition: transform 0.25s var(--ease); }

.card-link:hover .arr { transform: translateX(3px); }

.tech-note {
  margin-top: 34px;
  text-align: center;
}

/* ============================================================
   Figure cards (white diagrams)
   ============================================================ */

.fig-card {
  background: #fbfbfd;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  padding: 22px;
  overflow: hidden;
}

.fig-card img { width: 100%; border-radius: 8px; }

.fig-caption {
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  color: var(--text-faint);
  text-align: center;
  margin-top: 12px;
  text-transform: uppercase;
}

.fig-card .fig-caption { color: #7a7d86; }

/* ============================================================
   Numbered steps
   ============================================================ */

.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; counter-reset: step; }

.step {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px 26px 32px;
}

.step-num {
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.2em;
  color: var(--accent);
  display: block;
  margin-bottom: 16px;
}

.step h4 { font-size: 1.04rem; margin-bottom: 8px; }

.step p { color: var(--text-dim); font-size: 0.9rem; }

.step::after {
  content: "";
  position: absolute;
  top: 42px;
  right: -14px;
  width: 8px; height: 8px;
  border-top: 1.5px solid var(--text-faint);
  border-right: 1.5px solid var(--text-faint);
  transform: rotate(45deg);
}

.step:last-child::after { display: none; }

/* ============================================================
   Metric callouts
   ============================================================ */

.metric-band { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

.metric {
  text-align: center;
  padding: 46px 24px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  position: relative;
  overflow: hidden;
}

.metric::after {
  content: "";
  position: absolute;
  top: 0; left: 20%; right: 20%;
  height: 1px;
  background: var(--gradient);
  opacity: 0.6;
}

.metric .m-value {
  font-size: clamp(2.3rem, 5vw, 3.8rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  font-variant-numeric: tabular-nums;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.metric .m-label {
  color: var(--text-faint);
  margin-top: 10px;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

/* ============================================================
   Score matrix
   ============================================================ */

.score-matrix {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow-x: auto;
  background: var(--bg-elev);
}

.score-grid { display: grid; grid-template-columns: 185px repeat(5, 1fr); min-width: 700px; }

.score-grid > div {
  padding: 16px 14px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
}

.score-grid > div:nth-last-child(-n + 6) { border-bottom: none; }

.score-grid .sm-head {
  font-family: var(--mono);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-faint);
  font-weight: 500;
}

.score-grid .sm-name { font-size: 0.9rem; color: var(--text-dim); }

.score-grid .sm-row-win { background: rgba(79, 141, 255, 0.07); }

.score-grid .sm-name.sm-row-win { color: var(--accent); font-weight: 700; }

.dots { display: flex; gap: 5px; }

.dots i { width: 9px; height: 9px; border-radius: 50%; background: rgba(255, 255, 255, 0.1); }

.dots i.on { background: var(--text-dim); }

.sm-row-win .dots i.on { background: var(--accent); box-shadow: 0 0 9px rgba(79, 141, 255, 0.6); }

.matrix-legend {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
  margin-top: 16px;
}

/* ============================================================
   Bar chart
   ============================================================ */

.chart-card { padding: 46px 42px; }

.hbar { display: grid; gap: 18px; }

.hbar-row { display: grid; grid-template-columns: 220px 1fr 76px; align-items: center; gap: 16px; }

.hbar-label { font-size: 0.9rem; color: var(--text-dim); text-align: right; }

.hbar-track {
  display: block;
  height: 13px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  overflow: hidden;
}

.hbar-fill {
  display: block;
  height: 100%;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.26);
  width: 0;
  transition: width 1.3s var(--ease) 0.15s;
}

.hbar-row.win .hbar-fill { background: var(--gradient); box-shadow: 0 0 18px rgba(79, 141, 255, 0.45); }

.hbar-value {
  font-family: var(--mono);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text);
  font-variant-numeric: tabular-nums;
}

.hbar-row.win .hbar-value { color: var(--accent); }

/* ============================================================
   Spec table
   ============================================================ */

.spec-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}

.spec-table th, .spec-table td {
  text-align: left;
  padding: 13px 16px;
  border-bottom: 1px solid var(--border);
}

.spec-table tr:last-child th, .spec-table tr:last-child td { border-bottom: none; }

.spec-table th { color: var(--text-dim); font-weight: 400; }

.spec-table td {
  font-family: var(--mono);
  color: var(--text);
  text-align: right;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.compare-pair { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }

.compare-pair figure {
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid var(--border);
  background: #0c0d12;
  position: relative;
}

.compare-pair img { width: 100%; height: 200px; object-fit: cover; }

.compare-pair figcaption {
  position: absolute;
  left: 10px;
  bottom: 10px;
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.8);
  background: rgba(3, 3, 4, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 6px;
  padding: 5px 10px;
}

/* ============================================================
   CTA band / footer
   ============================================================ */

.cta-band {
  border-radius: 30px;
  border: 1px solid var(--border);
  background:
    radial-gradient(ellipse 70% 100% at 50% 130%, rgba(79, 141, 255, 0.28), transparent 70%),
    var(--bg-elev);
  padding: 100px 40px;
  text-align: center;
  overflow: hidden;
  position: relative;
}

.cta-band .subhead { margin: 18px auto 36px; }

.cta-meta { margin-top: 28px; }

footer {
  border-top: 1px solid var(--border);
  padding: 64px 0 44px;
  font-size: 0.88rem;
  color: var(--text-faint);
}

.footer-grid {
  display: flex;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
  margin-bottom: 44px;
}

.footer-col h5 {
  font-family: var(--mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--text-dim);
  margin-bottom: 14px;
  font-weight: 500;
}

.footer-col a { display: block; padding: 4px 0; color: var(--text-faint); transition: color 0.2s; }

.footer-col a:hover { color: var(--text); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  border-top: 1px solid var(--border);
  padding-top: 28px;
  font-family: var(--mono);
  font-size: 0.76rem;
  letter-spacing: 0.06em;
}

/* ============================================================
   Scroll FX base states
   ============================================================ */

.reveal {
  opacity: 0;
  transform: translateY(36px);
  transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
}

.reveal.visible { opacity: 1; transform: none; }

.reveal-blur {
  opacity: 0;
  transform: translateY(30px);
  filter: blur(10px);
  transition: opacity 1s var(--ease), transform 1s var(--ease), filter 1s var(--ease);
}

.reveal-blur.visible { opacity: 1; transform: none; filter: blur(0); }

[data-stagger] > * {
  opacity: 0;
  transform: translateY(34px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

[data-stagger].visible > * { opacity: 1; transform: none; }

[data-stagger].visible > *:nth-child(2) { transition-delay: 0.08s; }
[data-stagger].visible > *:nth-child(3) { transition-delay: 0.16s; }
[data-stagger].visible > *:nth-child(4) { transition-delay: 0.24s; }
[data-stagger].visible > *:nth-child(5) { transition-delay: 0.32s; }

[data-fx="zoom"] { will-change: transform; }

[data-fx="parallax"] { will-change: transform; }

/* ============================================================
   Reduced motion
   ============================================================ */

@media (prefers-reduced-motion: reduce) {
  .reveal, .reveal-blur, [data-stagger] > * {
    opacity: 1; transform: none; filter: none; transition: none;
  }
  .badge .dot { animation: none; }
  .scroll-cue::after { animation: none; }
  .scrub-text .w { opacity: 1 !important; }
  .scrub-wrap { height: auto; padding: 120px 0; }
  .scrub-sticky { position: static; height: auto; }
  .pin-wrap { height: auto; }
  .pin { position: static; height: auto; padding: 90px 0; }
  .pin-copy { height: auto; display: grid; gap: 56px; }
  .pin-phase { position: static; opacity: 1; transform: none; }
  .pin-progress { display: none; }
  .hbar-fill { transition: none; }
}

/* ============================================================
   Responsive
   ============================================================ */

@media (max-width: 980px) {
  .steps { grid-template-columns: 1fr 1fr; }
  .step::after { display: none; }
}

@media (max-width: 900px) {
  :root { --pad: 96px; }
  .grid-3 { grid-template-columns: 1fr 1fr; }
  .split { grid-template-columns: 1fr; gap: 44px; }
  .stats { grid-template-columns: 1fr 1fr; }
  .metric-band { grid-template-columns: 1fr 1fr; }
  .hbar-row { grid-template-columns: 130px 1fr 60px; }
  .pin-wrap { height: 320vh; }
}

@media (max-width: 640px) {
  .nav { background: rgba(3, 3, 4, 0.8); -webkit-backdrop-filter: blur(20px); backdrop-filter: blur(20px); }
  .badge { white-space: normal; text-align: center; line-height: 1.6; border-radius: 16px; }
  .nav-links {
    position: fixed;
    top: var(--nav-h);
    left: 0; right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    background: rgba(3, 3, 4, 0.97);
    border-bottom: 1px solid var(--border);
    padding: 12px 24px 20px;
    display: none;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px 0; font-size: 1.05rem; width: 100%; }
  .nav-links a.active:not(.btn)::after { display: none; }
  .nav-toggle {
    display: flex;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
  }
  .nav-toggle span { width: 22px; height: 2px; background: var(--text); border-radius: 2px; transition: transform 0.3s var(--ease), opacity 0.2s; }
  .nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .grid-2, .grid-3, .steps { grid-template-columns: 1fr; }
  .stats, .metric-band { grid-template-columns: 1fr 1fr; }
  .hero { padding-top: calc(var(--nav-h) + 40px); }
  .zoom-frame--light { padding: 18px; }
  .chart-card { padding: 32px 22px; }
  .compare-pair { grid-template-columns: 1fr; }
  .compare-pair img { height: 170px; }
}