/* ============================================================
   ZUO — Premium Acoustic Pod Site
   Apple / SpaceX inspired. Vanilla CSS. Zero frameworks.
   ============================================================ */

/* ---------- RESET & TOKENS ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: 'Inter Tight', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  font-weight: 400;
  background: #0A0A0A;
  color: #F4F1EC;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.5;
  overflow-x: hidden;
  cursor: none;
}
img { max-width: 100%; display: block; height: auto; }
a { color: inherit; text-decoration: none; cursor: none; }
button, input, select, textarea {
  font: inherit; color: inherit; background: none; border: none;
  cursor: none;
}
button { cursor: none; }

:root {
  --ink: #0A0A0A;
  --ink-2: #141414;
  --ink-3: #1C1C1C;
  --paper: #F4F1EC;
  --paper-2: #E9E4DA;
  --bone: #D6D0C2;
  --olive: #6B7553;
  --olive-deep: #4F5840;
  --accent: #FF5B2E;     /* warm orange — wow accent, not common cyan */
  --accent-2: #FFD8C9;
  --line: rgba(244, 241, 236, 0.12);
  --line-dark: rgba(10, 10, 10, 0.12);

  --maxw: 1280px;
  --pad: clamp(20px, 4vw, 64px);

  --t-fast: 200ms cubic-bezier(0.2, 0.8, 0.2, 1);
  --t-med:  450ms cubic-bezier(0.2, 0.8, 0.2, 1);
  --t-slow: 900ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

.italic { font-family: 'Instrument Serif', Georgia, serif; font-style: italic; font-weight: 400; letter-spacing: -0.01em; }
.accent { color: var(--accent); }

/* ---------- GRAIN OVERLAY ---------- */
.grain {
  position: fixed; inset: 0;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.06;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.9'/%3E%3C/svg%3E");
}

/* ---------- CUSTOM CURSOR ---------- */
.cursor {
  position: fixed; top: 0; left: 0;
  width: 28px; height: 28px;
  border: 1px solid var(--paper);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9998;
  transform: translate(-50%, -50%);
  transition: width 200ms ease, height 200ms ease, background 200ms ease, border-color 200ms ease, opacity 200ms ease;
  mix-blend-mode: difference;
}
.cursor-dot {
  position: fixed; top: 0; left: 0;
  width: 4px; height: 4px;
  background: var(--paper);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  mix-blend-mode: difference;
}
.cursor.is-hover { width: 56px; height: 56px; background: rgba(255, 91, 46, 0.15); border-color: var(--accent); }
@media (max-width: 900px), (pointer: coarse) {
  .cursor, .cursor-dot { display: none; }
  body, a, button, input, select, textarea { cursor: auto; }
}

/* ---------- PROGRESS BAR ---------- */
.progress-bar {
  position: fixed; top: 0; left: 0;
  height: 2px;
  width: 0%;
  background: var(--accent);
  z-index: 9997;
  transition: width 80ms linear;
}

/* ---------- NAV ---------- */
#main-nav {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 18px var(--pad);
  transition: background var(--t-med), backdrop-filter var(--t-med), border-color var(--t-med);
  border-bottom: 1px solid transparent;
}
#main-nav.scrolled {
  background: rgba(10, 10, 10, 0.7);
  backdrop-filter: saturate(180%) blur(18px);
  -webkit-backdrop-filter: saturate(180%) blur(18px);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.nav-logo {
  font-weight: 800;
  font-size: 22px;
  letter-spacing: -0.04em;
  color: var(--paper);
  display: inline-flex;
  align-items: baseline;
}
.logo-mark { color: var(--accent); }
.logo-dot  { color: var(--accent); margin-left: 1px; }

.nav-links {
  display: flex;
  gap: 32px;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: -0.01em;
}
.nav-links a {
  color: rgba(244, 241, 236, 0.65);
  transition: color var(--t-fast);
  position: relative;
}
.nav-links a:hover { color: var(--paper); }
.nav-links a::after {
  content: ''; position: absolute; bottom: -4px; left: 0; right: 0;
  height: 1px; background: var(--accent);
  transform: scaleX(0); transform-origin: left;
  transition: transform var(--t-med);
}
.nav-links a:hover::after { transform: scaleX(1); }

.nav-cta {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 20px;
  border: 1px solid var(--paper);
  border-radius: 999px;
  font-size: 14px; font-weight: 500;
  background: var(--paper);
  color: var(--ink);
  transition: background var(--t-fast), color var(--t-fast), transform var(--t-fast);
}
.nav-cta:hover { background: var(--accent); color: var(--paper); border-color: var(--accent); }

.nav-mobile-toggle {
  display: none;
  width: 40px; height: 40px;
  flex-direction: column; gap: 5px; justify-content: center; align-items: center;
}
.nav-mobile-toggle span {
  display: block; width: 22px; height: 1.5px; background: var(--paper);
}

/* ---------- HERO ---------- */
#hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: flex-end;
  padding: 0 var(--pad) clamp(80px, 10vh, 120px);
  overflow: hidden;
  isolation: isolate;
}
.hero-bg {
  position: absolute; inset: 0; z-index: -2;
}
.hero-slide {
  position: absolute; inset: 0;
  opacity: 0;
  transform: scale(1.06);
  transition: opacity 1800ms ease-in-out, transform 12s ease-out;
}
.hero-slide img {
  width: 100%; height: 100%;
  object-fit: cover; object-position: center 58%;
}
.hero-slide--active { opacity: 1; transform: scale(1.0); }
.hero-veil {
  position: absolute; inset: 0; z-index: -1;
  background:
    linear-gradient(to bottom, rgba(10,10,10,0.55) 0%, rgba(10,10,10,0.30) 30%, rgba(10,10,10,0.85) 100%),
    linear-gradient(to right, rgba(10,10,10,0.6) 0%, rgba(10,10,10,0) 60%);
}

.hero-meta {
  position: absolute; top: 100px; left: var(--pad);
  font-size: 12px; letter-spacing: 0.18em; text-transform: uppercase;
  font-family: 'JetBrains Mono', monospace;
  color: rgba(244, 241, 236, 0.7);
  z-index: 2;
}
.hero-tag { display: inline-flex; align-items: center; gap: 8px; }
.hero-tag .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 10px var(--accent);
  animation: pulse 2.4s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.85); }
}

.hero-content {
  position: relative; z-index: 2;
  max-width: 980px;
}
.hero-title {
  font-family: 'Inter Tight', sans-serif;
  font-weight: 700;
  font-size: clamp(48px, 9vw, 144px);
  line-height: 0.92;
  letter-spacing: -0.045em;
  color: var(--paper);
  margin-bottom: 32px;
}
.hero-title .line {
  display: block;
  /* overflow:hidden masks the word rise-in, but a tight line-height means it
     also clips descenders (q, g, p, y). Pad the box and cancel it with an
     equal negative margin, so the tails clear without changing line spacing. */
  overflow: hidden;
  padding-bottom: 0.18em;
  margin-bottom: -0.18em;
}
.hero-title .word {
  display: inline-block;
  transform: translateY(110%);
  animation: rise 1100ms cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
}
.hero-title .line:nth-child(1) .word { animation-delay: 100ms; }
.hero-title .line:nth-child(2) .word { animation-delay: 250ms; }
.hero-title .line:nth-child(3) .word { animation-delay: 400ms; }
@keyframes rise {
  to { transform: translateY(0); }
}

.hero-sub {
  max-width: 540px;
  font-size: clamp(16px, 1.6vw, 19px);
  line-height: 1.55;
  color: rgba(244, 241, 236, 0.85);
  margin-bottom: 40px;
  opacity: 0;
  animation: fadeUp 900ms 700ms cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
}
.hero-sub strong { color: var(--paper); font-weight: 600; }
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.hero-actions {
  display: flex; gap: 14px; flex-wrap: wrap;
  opacity: 0;
  animation: fadeUp 900ms 900ms cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
}

/* ---------- BUTTONS ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 16px 28px;
  border-radius: 999px;
  font-size: 15px; font-weight: 500; letter-spacing: -0.01em;
  border: 1px solid transparent;
  transition: all var(--t-fast);
  white-space: nowrap;
}
.btn-primary {
  background: var(--paper);
  color: var(--ink);
  border-color: var(--paper);
}
.btn-primary:hover {
  background: var(--accent);
  color: var(--paper);
  border-color: var(--accent);
}
.btn-ghost {
  background: transparent;
  color: var(--paper);
  border-color: rgba(244, 241, 236, 0.35);
}
.btn-ghost:hover {
  background: rgba(244, 241, 236, 0.08);
  border-color: var(--paper);
}
.btn-block { display: flex; justify-content: center; width: 100%; }

/* ---------- HERO RAIL ---------- */
.hero-rail {
  position: absolute;
  right: var(--pad);
  bottom: clamp(80px, 10vh, 120px);
  display: flex;
  flex-direction: column;
  gap: 14px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  z-index: 2;
  border-left: 1px solid rgba(244, 241, 236, 0.2);
  padding-left: 18px;
  opacity: 0;
  animation: fadeUp 900ms 1100ms cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
}
.rail-row { display: flex; gap: 18px; align-items: baseline; }
.rail-k { color: rgba(244, 241, 236, 0.55); text-transform: uppercase; letter-spacing: 0.12em; min-width: 84px; }
.rail-v { color: var(--paper); font-weight: 500; }

/* ---------- SCROLL INDICATOR ---------- */
.scroll-indicator {
  position: absolute; bottom: 30px; left: 50%;
  transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px; letter-spacing: 0.2em; text-transform: uppercase;
  color: rgba(244, 241, 236, 0.55);
  z-index: 2;
  opacity: 0;
  animation: fadeUp 900ms 1400ms forwards;
}
.scroll-line {
  width: 1px; height: 36px; background: rgba(244, 241, 236, 0.4);
  position: relative; overflow: hidden;
}
.scroll-line::after {
  content: ''; position: absolute; inset: 0;
  background: var(--paper);
  animation: scroll-pulse 2.2s ease-in-out infinite;
}
@keyframes scroll-pulse {
  0% { transform: translateY(-100%); }
  100% { transform: translateY(100%); }
}

/* ---------- MARQUEE (KINETIC TYPE) ---------- */
.marquee {
  overflow: hidden;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--ink);
  padding: 22px 0;
  white-space: nowrap;
}
.marquee--light {
  background: var(--paper);
  color: var(--ink);
  border-color: var(--line-dark);
}
.marquee--accent {
  background: var(--accent);
  color: var(--paper);
  border-color: transparent;
}
.marquee-track {
  display: inline-flex;
  gap: 36px;
  animation: marquee 38s linear infinite;
  font-size: clamp(28px, 5vw, 64px);
  font-weight: 600;
  letter-spacing: -0.03em;
  align-items: center;
}
.marquee-track--reverse { animation-direction: reverse; animation-duration: 44s; }
.marquee-track .italic { font-weight: 400; }
.marquee-track span { display: inline-block; }
.dot-sep { color: var(--accent); font-size: 0.6em; transform: translateY(-0.1em); }
.marquee--light .dot-sep { color: var(--accent); }
.marquee--accent .dot-sep { color: var(--paper); opacity: 0.5; }
@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ---------- SECTION FOUNDATIONS ---------- */
.section {
  padding: clamp(80px, 12vh, 160px) var(--pad);
  position: relative;
}
.section--dark { background: var(--ink); color: var(--paper); }
.section--accent { background: var(--paper); color: var(--ink); }
.section--olive { background: var(--olive-deep); color: var(--paper); }

.container { max-width: var(--maxw); margin: 0 auto; }
.container--tight { max-width: 920px; margin: 0 auto; text-align: center; }
.container--narrow { max-width: 720px; margin: 0 auto; }

.section-header {
  margin-bottom: clamp(48px, 7vh, 96px);
  max-width: 900px;
}
.section-header--center { text-align: center; margin-left: auto; margin-right: auto; }

.section-label {
  display: inline-block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 18px;
  padding: 4px 0;
  border-top: 1px solid currentColor;
  padding-top: 10px;
}
.section-label--dark { color: var(--paper); opacity: 0.85; }

.section-title {
  font-family: 'Inter Tight', sans-serif;
  font-weight: 700;
  font-size: clamp(36px, 5.5vw, 80px);
  line-height: 0.98;
  letter-spacing: -0.04em;
  margin-bottom: 24px;
}
.section--accent .section-title { color: var(--ink); }

.section-lede {
  font-size: clamp(16px, 1.4vw, 19px);
  line-height: 1.55;
  max-width: 640px;
  color: rgba(244, 241, 236, 0.7);
}
.section--accent .section-lede { color: rgba(10, 10, 10, 0.65); }
.section-header--center .section-lede { margin: 0 auto; }

/* ---------- BIG STATS ---------- */
.big-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1px;
  background: var(--line);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  margin-top: 60px;
}
.big-stat {
  background: var(--ink);
  padding: 48px 32px;
  display: flex; flex-direction: column; gap: 14px;
}
.big-num {
  font-family: 'Inter Tight', sans-serif;
  font-weight: 800;
  font-size: clamp(56px, 9vw, 128px);
  line-height: 0.9;
  letter-spacing: -0.05em;
  color: var(--paper);
  display: inline-flex; align-items: baseline;
}
.big-num .suffix, .big-num .prefix {
  font-size: 0.45em;
  font-weight: 500;
  color: var(--accent);
  margin-left: 4px;
}
.big-num .prefix { margin-left: 0; margin-right: 2px; }
.big-desc {
  font-size: 15px;
  color: rgba(244, 241, 236, 0.75);
  line-height: 1.45;
  max-width: 280px;
}
.big-desc strong { color: var(--accent); font-weight: 600; }
.big-stat cite {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: rgba(244, 241, 236, 0.4);
  font-style: normal;
}

.cost-line {
  margin-top: 40px;
  padding: 20px 0;
  display: flex; gap: 24px; flex-wrap: wrap;
  justify-content: center; align-items: center;
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  color: rgba(244, 241, 236, 0.6);
  text-align: center;
}
.cost-line strong { color: var(--paper); font-weight: 500; }
.cost-line .sep { color: var(--accent); opacity: 0.6; }

/* ---------- PINNED STORY ---------- */
.pinned {
  background: var(--paper);
  color: var(--ink);
  padding: 0;
}
.pinned-stage {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: stretch;
  min-height: 400vh;
  position: relative;
}
.pinned-art {
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--paper) 0%, var(--paper-2) 100%);
  overflow: hidden;
}
.pinned-art img {
  max-height: 70%;
  max-width: 80%;
  object-fit: contain;
  position: relative; z-index: 2;
  transition: transform var(--t-slow), filter var(--t-slow);
  filter: drop-shadow(0 30px 60px rgba(0, 0, 0, 0.18));
}
.pinned-rings { position: absolute; inset: 0; z-index: 1; display: flex; align-items: center; justify-content: center; }
.pinned-rings span {
  position: absolute;
  border: 1px solid var(--bone);
  border-radius: 50%;
  opacity: 0.6;
}
.pinned-rings span:nth-child(1) { width: 30vmin; height: 30vmin; }
.pinned-rings span:nth-child(2) { width: 50vmin; height: 50vmin; opacity: 0.4; }
.pinned-rings span:nth-child(3) { width: 70vmin; height: 70vmin; opacity: 0.25; }
.pinned-rings span:nth-child(4) { width: 90vmin; height: 90vmin; opacity: 0.12; }

.pinned-text {
  display: flex; flex-direction: column;
  padding: var(--pad);
  gap: 0;
}
.pin-step {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 40px 0;
  opacity: 0.25;
  transition: opacity var(--t-med);
}
.pin-step--active { opacity: 1; }
.pin-eyebrow {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 18px;
  padding-top: 10px;
  border-top: 1px solid currentColor;
  align-self: flex-start;
}
.pin-title {
  font-family: 'Inter Tight', sans-serif;
  font-weight: 700;
  font-size: clamp(32px, 4.8vw, 64px);
  line-height: 1.0;
  letter-spacing: -0.035em;
  color: var(--ink);
  margin-bottom: 20px;
}
.pin-step p {
  font-size: clamp(15px, 1.3vw, 18px);
  line-height: 1.55;
  color: rgba(10, 10, 10, 0.7);
  max-width: 460px;
}

/* ---------- ROI CALC ---------- */
.calc-shell {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  background: var(--ink);
  color: var(--paper);
  border-radius: 24px;
  overflow: hidden;
  margin-top: 40px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.18);
}
.calc-inputs, .calc-output { padding: clamp(28px, 4vw, 56px); }
.calc-inputs {
  background: var(--ink-2);
  display: flex; flex-direction: column; gap: 28px;
}
.calc-field { display: flex; flex-direction: column; gap: 10px; }
.calc-field > span:first-child {
  font-size: 13px;
  color: rgba(244, 241, 236, 0.65);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-family: 'JetBrains Mono', monospace;
}
.calc-field input[type="number"] {
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--line);
  padding: 8px 0;
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--paper);
  font-family: 'Inter Tight', sans-serif;
  width: 100%;
}
.calc-field input[type="number"]:focus { outline: none; border-bottom-color: var(--accent); }
.calc-field input[type="range"] {
  width: 100%;
  -webkit-appearance: none;
  background: transparent;
  height: 22px;
}
.calc-field input[type="range"]::-webkit-slider-runnable-track {
  height: 2px;
  background: var(--line);
}
.calc-field input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 22px; height: 22px;
  background: var(--accent);
  border-radius: 50%;
  margin-top: -10px;
  cursor: none;
}
.calc-field input[type="range"]::-moz-range-track {
  height: 2px; background: var(--line);
}
.calc-field input[type="range"]::-moz-range-thumb {
  width: 22px; height: 22px; background: var(--accent); border: none; border-radius: 50%;
}
.field-hint {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: rgba(244, 241, 236, 0.5);
}
.field-hint strong { color: var(--accent); font-weight: 500; }

.calc-output { display: flex; flex-direction: column; gap: 16px; }
.calc-line {
  display: flex; justify-content: space-between; align-items: baseline;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}
.calc-line:last-of-type { border-bottom: none; }
.calc-k {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: rgba(244, 241, 236, 0.6);
  text-transform: uppercase; letter-spacing: 0.1em;
}
.calc-v {
  font-family: 'Inter Tight', sans-serif;
  font-size: clamp(20px, 2.4vw, 28px);
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--paper);
}
.calc-line--big .calc-v { font-size: clamp(32px, 5vw, 56px); font-weight: 800; letter-spacing: -0.04em; }
.calc-v--accent { color: var(--accent); }
.calc-line--small .calc-v { font-size: clamp(16px, 1.6vw, 20px); }
.calc-output .btn { margin-top: 12px; }

.calc-disclaimer {
  margin-top: 24px;
  font-size: 12px;
  color: rgba(10, 10, 10, 0.5);
  text-align: center;
  max-width: 720px;
  margin-left: auto; margin-right: auto;
  line-height: 1.5;
}

/* ---------- FEATURE GRID ---------- */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.feature-card {
  background: var(--ink-2);
  border-radius: 20px;
  overflow: hidden;
  display: flex; flex-direction: column;
  border: 1px solid var(--line);
  transition: transform var(--t-med), border-color var(--t-med);
}
.feature-card:hover { transform: translateY(-4px); border-color: rgba(255, 91, 46, 0.3); }
.feature-card--wide { grid-column: span 2; }
.feature-art {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--ink-3);
}
.feature-card--wide .feature-art { aspect-ratio: 16 / 8; }
.feature-image {
  position: absolute; inset: 0;
  background-size: cover;
  background-position: center;
  transform: scale(1.05);
  transition: transform 1.2s ease;
  filter: brightness(0.92) contrast(1.05);
}
.feature-card:hover .feature-image { transform: scale(1.0); }
.feature-tag {
  position: absolute;
  top: 16px; left: 16px;
  padding: 6px 12px;
  background: rgba(10, 10, 10, 0.7);
  backdrop-filter: blur(8px);
  border-radius: 999px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--paper);
  z-index: 2;
  border: 1px solid rgba(255, 255, 255, 0.1);
}
.feature-body {
  padding: 28px 28px 32px;
}
.feature-body h3 {
  font-family: 'Inter Tight', sans-serif;
  font-weight: 600;
  font-size: clamp(20px, 2vw, 26px);
  letter-spacing: -0.025em;
  line-height: 1.15;
  margin-bottom: 12px;
  color: var(--paper);
}
.feature-body p {
  font-size: 15px; line-height: 1.55;
  color: rgba(244, 241, 236, 0.65);
}
.feature-meta {
  display: flex; flex-wrap: wrap; gap: 8px;
  margin-top: 18px;
  list-style: none;
}
.feature-meta li {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  padding: 4px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: rgba(244, 241, 236, 0.7);
  letter-spacing: 0.05em;
}

/* ---------- MODELS ---------- */
.model-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 28px;
}
.model-card {
  background: var(--paper);
  color: var(--ink);
  border-radius: 20px;
  overflow: hidden;
  display: flex; flex-direction: column;
  border: 1px solid var(--line-dark);
  transition: transform var(--t-med), box-shadow var(--t-med);
}
.model-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.10);
}
.model-art {
  aspect-ratio: 4 / 3;
  background-size: contain;
  background-position: center;
  background-repeat: no-repeat;
  background-color: var(--paper-2);
  transition: background-color var(--t-med);
}
.model-card:hover .model-art { background-color: var(--bone); }
.model-info {
  padding: 24px 24px 28px;
  display: flex; flex-direction: column; gap: 10px;
}
.model-tag {
  align-self: flex-start;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  padding: 3px 10px;
  border: 1px solid currentColor;
  border-radius: 999px;
  margin-bottom: 4px;
}
.model-info h3 {
  font-family: 'Inter Tight', sans-serif;
  font-weight: 700;
  font-size: 32px;
  letter-spacing: -0.03em;
  color: var(--ink);
}
.model-spec {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: rgba(10, 10, 10, 0.55);
  letter-spacing: 0.02em;
}
.model-desc {
  font-size: 14px;
  color: rgba(10, 10, 10, 0.7);
  line-height: 1.5;
  flex: 1;
}
.model-price {
  font-size: 14px;
  color: rgba(10, 10, 10, 0.65);
  border-top: 1px solid var(--line-dark);
  padding-top: 14px;
  margin-top: 6px;
}
.model-price strong {
  font-family: 'Inter Tight', sans-serif;
  font-weight: 700;
  font-size: 22px;
  color: var(--ink);
  letter-spacing: -0.02em;
}

/* ---------- USE CASES ---------- */
.usecase-track {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1px;
  background: var(--line);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  margin-top: 50px;
}
.usecase {
  background: var(--ink);
  padding: 36px 28px 40px;
  display: flex; flex-direction: column; gap: 12px;
  transition: background var(--t-med);
}
.usecase:hover { background: var(--ink-2); }
.uc-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  color: var(--accent);
  letter-spacing: 0.05em;
}
.usecase h4 {
  font-family: 'Inter Tight', sans-serif;
  font-weight: 600;
  font-size: 22px;
  letter-spacing: -0.02em;
}
.usecase p {
  font-size: 14px; line-height: 1.55;
  color: rgba(244, 241, 236, 0.65);
}

/* ---------- DB BLOCK ---------- */
.db-block {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  margin: 40px auto;
}
.db-pre, .db-post {
  font-family: 'JetBrains Mono', monospace;
  font-size: clamp(13px, 1.3vw, 16px);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(244, 241, 236, 0.7);
}
.db-num {
  font-family: 'Inter Tight', sans-serif;
  font-weight: 800;
  font-size: clamp(56px, 13vw, 210px);
  line-height: 0.9;
  letter-spacing: -0.06em;
  color: var(--paper);
  display: inline-flex; align-items: baseline;
  gap: 8px;
  white-space: nowrap;
}
.db-num .counter { display: inline-block; }
.db-explainer {
  margin-top: 32px;
  font-size: clamp(15px, 1.4vw, 18px);
  line-height: 1.55;
  color: rgba(244, 241, 236, 0.78);
  max-width: 640px;
  margin-left: auto; margin-right: auto;
}
.db-explainer strong { color: var(--paper); font-weight: 600; }

.db-scale { margin-top: 60px; }
.db-scale-bar {
  height: 8px;
  background: rgba(244, 241, 236, 0.15);
  border-radius: 999px;
  overflow: hidden;
  position: relative;
}
.db-scale-fill {
  display: block; height: 100%;
  width: 50%;
  background: linear-gradient(to right, var(--accent), var(--accent-2));
  border-radius: 999px;
  animation: db-pulse 3s ease-in-out infinite;
}
@keyframes db-pulse {
  0%, 100% { width: 50%; }
  50% { width: 56%; }
}
.db-scale-labels {
  display: flex; justify-content: space-between;
  margin-top: 14px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: rgba(244, 241, 236, 0.55);
  letter-spacing: 0.05em;
}

/* ---------- SWATCH GRID ---------- */
.swatch-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(72px, 1fr));
  gap: 14px;
  margin-top: 40px;
}
.swatch {
  aspect-ratio: 1 / 1;
  border-radius: 14px;
  border: 1px solid var(--line-dark);
  transition: transform var(--t-fast), box-shadow var(--t-fast);
  position: relative;
}
.swatch:hover { transform: scale(1.04); }
.swatch.active {
  box-shadow: 0 0 0 2px var(--accent), 0 6px 18px rgba(0, 0, 0, 0.15);
}
.swatch.active::after {
  content: ''; position: absolute; inset: 0;
  border: 2px solid var(--paper); border-radius: 12px;
  margin: 4px;
}
.swatch-out {
  margin-top: 28px;
  text-align: center;
  font-size: 14px;
  color: rgba(10, 10, 10, 0.65);
  font-family: 'JetBrains Mono', monospace;
  letter-spacing: 0.05em;
}
.swatch-out strong { color: var(--ink); font-weight: 600; }
.swatch-out a { color: var(--accent); text-decoration: underline; text-underline-offset: 4px; }

/* ---------- CERT GRID ---------- */
.cert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
  margin-top: 40px;
}
.cert {
  padding: 28px 24px;
  background: var(--ink-2);
  border: 1px solid var(--line);
  border-radius: 18px;
  display: flex; flex-direction: column; gap: 10px;
  transition: border-color var(--t-fast);
}
.cert:hover { border-color: rgba(255, 91, 46, 0.4); }
.cert-mark {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  padding: 6px 0;
  border-bottom: 1px solid var(--line);
  margin-bottom: 6px;
  align-self: flex-start;
}
.cert h4 {
  font-family: 'Inter Tight', sans-serif;
  font-weight: 600;
  font-size: 17px;
  letter-spacing: -0.02em;
  color: var(--paper);
}
.cert p {
  font-size: 13px; line-height: 1.5;
  color: rgba(244, 241, 236, 0.6);
}

/* ---------- CONTACT FORM ---------- */
.contact-head { text-align: center; margin-bottom: 50px; }
.contact-head .section-label { color: var(--ink); }
.contact-head .section-title { color: var(--ink); }
.contact-head .section-lede { color: rgba(10, 10, 10, 0.65); margin: 0 auto; }

.contact-form {
  display: flex; flex-direction: column;
  gap: 18px;
}
.form-row {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.contact-form label { display: flex; flex-direction: column; gap: 6px; }
.contact-form label > span {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(10, 10, 10, 0.55);
}
.contact-form input, .contact-form select, .contact-form textarea {
  padding: 14px 0;
  border: none;
  border-bottom: 1px solid rgba(10, 10, 10, 0.18);
  background: transparent;
  font-size: 17px;
  color: var(--ink);
  transition: border-color var(--t-fast);
}
.contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus {
  outline: none; border-bottom-color: var(--accent);
}
.contact-form textarea { resize: vertical; min-height: 80px; }
.contact-form .btn-primary {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
  margin-top: 18px;
}
.contact-form .btn-primary:hover {
  background: var(--accent);
  color: var(--paper);
  border-color: var(--accent);
}
.form-foot {
  text-align: center;
  font-size: 12px;
  color: rgba(10, 10, 10, 0.5);
  font-family: 'JetBrains Mono', monospace;
  letter-spacing: 0.05em;
}

/* ---------- FOOTER ---------- */
#footer {
  background: var(--ink);
  color: rgba(244, 241, 236, 0.7);
  padding: 80px var(--pad) 32px;
  border-top: 1px solid var(--line);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 60px;
  padding-bottom: 60px;
  border-bottom: 1px solid var(--line);
}
.footer-brand .logo-mark, .footer-brand .logo-rest, .footer-brand .logo-dot {
  font-weight: 800;
  font-size: 28px;
  letter-spacing: -0.04em;
  color: var(--paper);
}
.footer-brand p {
  margin-top: 14px;
  font-size: 14px;
  color: rgba(244, 241, 236, 0.6);
  max-width: 320px;
}
.footer-col {
  display: flex; flex-direction: column; gap: 12px;
}
.footer-h {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 8px;
}
.footer-col a, .footer-col span {
  font-size: 14px;
  color: rgba(244, 241, 236, 0.7);
  transition: color var(--t-fast);
}
.footer-col a:hover { color: var(--paper); }
.footer-base {
  padding-top: 28px;
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: rgba(244, 241, 236, 0.45);
  letter-spacing: 0.05em;
}

/* ---------- REVEAL ANIMS ---------- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 800ms cubic-bezier(0.2, 0.8, 0.2, 1), transform 800ms cubic-bezier(0.2, 0.8, 0.2, 1);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- RESPONSIVE ---------- */
@media (max-width: 960px) {
  .nav-links { display: none; }
  .nav-mobile-toggle { display: flex; }
  .nav-cta { display: none; }
  .hero-rail { display: none; }
  .feature-grid { grid-template-columns: 1fr; }
  .feature-card--wide { grid-column: span 1; }
  .calc-shell { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
  .pinned-stage { grid-template-columns: 1fr; min-height: 0; }
  .pinned-art { position: relative; height: 60vh; }
  .pinned-text { padding: 60px var(--pad); }
  .pin-step { min-height: auto; opacity: 1; padding: 32px 0; border-top: 1px solid var(--line-dark); }
  .pin-step:first-child { border-top: none; }
  .form-row { grid-template-columns: 1fr; }
  .marquee-track { font-size: clamp(28px, 8vw, 48px); }
}

@media (max-width: 600px) {
  .footer-grid { grid-template-columns: 1fr; }
  .hero-meta { top: 80px; }
  .scroll-indicator { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .marquee-track { animation: none; }
  .hero-title .word { transform: translateY(0); }
}

/* ============================================================
   v2 — RANGE, BUILD, COMPARISON, FINISHES
   ============================================================ */

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

/* ---------- MODEL CARDS ---------- */
.model-grid { align-items: start; }
.model-card { position: relative; }
.model-card--feature {
  border: 2px solid var(--accent);
  box-shadow: 0 20px 50px rgba(255, 91, 46, 0.10);
}
.model-badge {
  position: absolute; top: 16px; right: 16px; z-index: 3;
  background: var(--accent); color: #fff;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px; letter-spacing: 0.12em; text-transform: uppercase;
  padding: 6px 12px; border-radius: 999px;
}
.model-media {
  position: relative;
  aspect-ratio: 16 / 10;
  background: var(--paper-2);
  overflow: hidden;
}
.model-img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  opacity: 0;
  transform: scale(1.02);
  transition: opacity var(--t-med), transform var(--t-slow);
}
.model-img.is-active { opacity: 1; transform: scale(1); }
.model-card:hover .model-img.is-active { transform: scale(1.04); }
.model-views {
  position: absolute; bottom: 12px; left: 50%;
  transform: translateX(-50%);
  display: flex; gap: 8px; z-index: 2;
}
.view-dot {
  width: 30px; height: 4px; border-radius: 99px;
  background: rgba(10,10,10,0.22);
  transition: background var(--t-fast), width var(--t-fast);
  padding: 0;
}
.view-dot.is-on { background: var(--accent); width: 44px; }
.view-dot:hover { background: rgba(10,10,10,0.45); }
.model-inc {
  list-style: none;
  display: flex; flex-direction: column; gap: 7px;
  margin: 6px 0 4px;
}
.model-inc li {
  font-size: 13.5px; line-height: 1.45;
  color: rgba(10,10,10,0.66);
  padding-left: 20px; position: relative;
}
.model-inc li::before {
  content: ''; position: absolute; left: 2px; top: 7px;
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--accent); opacity: 0.75;
}
.model-price em {
  font-style: normal;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px; letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(10,10,10,0.45);
  margin-left: 6px;
}
.model-foot {
  margin-top: 32px; text-align: center;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px; letter-spacing: 0.04em;
  color: rgba(244,241,236,0.5);
}

/* ---------- BUILD / CROSS-SECTION ---------- */
.build-specs {
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 8px 22px;
  background: rgba(244,241,236,0.02);
  position: sticky; top: 96px;
}
.bs-row {
  display: flex; justify-content: space-between; gap: 20px;
  padding: 15px 0;
  border-bottom: 1px solid var(--line);
  font-size: 13.5px;
}
.bs-row:last-child { border-bottom: none; }
.bs-k {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase;
  color: rgba(244,241,236,0.45);
  white-space: nowrap; padding-top: 2px;
}
.bs-v { text-align: right; color: var(--paper); font-weight: 500; }

/* ---------- CONFIGURATOR (section 06) ---------- */
.cfg {
  display: grid;
  grid-template-columns: 1.35fr 0.85fr;
  gap: clamp(24px, 3.5vw, 56px);
  align-items: stretch;
  margin-top: 52px;
}
.cfg-stage {
  position: relative;
  border-radius: 20px;
  background: linear-gradient(180deg, var(--ink-3) 0%, var(--ink-2) 100%);
  border: 1px solid var(--line);
  overflow: hidden;
  display: flex; align-items: center; justify-content: center;
  min-height: 380px;
  padding: 28px 28px 76px;
}
.cfg-stage img {
  width: 100%; height: auto;
  max-height: 460px;
  object-fit: contain;
  transition: opacity 260ms ease, transform var(--t-slow);
}
.cfg-stage img.is-swapping { opacity: 0; }
.cfg-models {
  position: absolute; bottom: 20px; left: 50%;
  transform: translateX(-50%);
  display: flex; gap: 6px;
  background: rgba(10,10,10,0.55);
  backdrop-filter: blur(14px);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 5px;
}
.cfg-m {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase;
  color: rgba(244,241,236,0.55);
  padding: 9px 18px; border-radius: 999px;
  transition: background var(--t-fast), color var(--t-fast);
  white-space: nowrap;
}
.cfg-m:hover { color: var(--paper); }
.cfg-m.is-on { background: var(--accent); color: #fff; }

.cfg-panel {
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 30px 28px;
  background: rgba(244,241,236,0.02);
  display: flex; flex-direction: column;
}
.cfg-tag {
  align-self: flex-start;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px; letter-spacing: 0.15em; text-transform: uppercase;
  color: var(--accent);
  padding: 4px 11px;
  border: 1px solid currentColor; border-radius: 999px;
}
.cfg-head h3 {
  font-size: clamp(30px, 3.4vw, 40px);
  font-weight: 700; letter-spacing: -0.03em;
  margin: 14px 0 6px;
}
.cfg-cap { font-size: 14px; color: rgba(244,241,236,0.6); line-height: 1.5; }

.cfg-dims {
  margin: 26px 0 6px;
  border-top: 1px solid var(--line);
}
.cfg-dims > div {
  display: flex; justify-content: space-between; gap: 16px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}
.cfg-dims dt {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10.5px; letter-spacing: 0.11em; text-transform: uppercase;
  color: rgba(244,241,236,0.42);
  padding-top: 2px; white-space: nowrap;
}
.cfg-dims dd {
  font-size: 14px; font-weight: 500;
  text-align: right; color: var(--paper);
  font-variant-numeric: tabular-nums;
}

.cfg-colours { margin-top: 26px; }
.cfg-lbl {
  display: block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10.5px; letter-spacing: 0.11em; text-transform: uppercase;
  color: rgba(244,241,236,0.42);
  margin-bottom: 14px;
}
.cfg-lbl strong { color: var(--paper); font-weight: 500; }
.finish-row { display: flex; flex-wrap: wrap; gap: 10px; }
.fin {
  width: 38px; height: 38px;
  border-radius: 50%;
  border: 1px solid var(--line);
  display: flex; align-items: center; justify-content: center;
  padding: 0;
  transition: transform var(--t-fast), border-color var(--t-fast);
}
.fin span {
  width: 26px; height: 26px; border-radius: 50%;
  background: var(--sw);
  border: 1px solid rgba(244,241,236,0.16);
  transition: width var(--t-fast), height var(--t-fast);
}
.fin:hover { transform: translateY(-2px); border-color: rgba(244,241,236,0.4); }
.fin.is-on { border-color: var(--accent); }
.fin.is-on span { width: 30px; height: 30px; }

.cfg-foot { margin-top: auto; padding-top: 28px; }
.cfg-price { display: block; margin-bottom: 16px; }
.cfg-price strong {
  font-size: 30px; font-weight: 700;
  letter-spacing: -0.03em; color: var(--paper);
  font-variant-numeric: tabular-nums;
}
.cfg-price em {
  display: block; font-style: normal;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10.5px; letter-spacing: 0.09em; text-transform: uppercase;
  color: rgba(244,241,236,0.42);
  margin-top: 5px;
}
@media (max-width: 900px) {
  .cfg { grid-template-columns: 1fr; }
  .cfg-stage { min-height: 300px; padding: 20px 20px 72px; }
  .cfg-stage img { max-height: 320px; }
}
@media (max-width: 420px) {
  .cfg-m { padding: 9px 12px; font-size: 10px; }
}

/* ---------- HERO TYPEWRITER ---------- */
.hero-title .typer {
  white-space: nowrap;
  /* visible so the caret can sit just outside the fitted box without clipping */
  overflow: visible;
  vertical-align: bottom;
  text-align: center;
  /* width is set in JS to the word currently showing, so a short word never
     sits inside a box sized for a long one. 220ms so the resize finishes
     during the gap, before the next word starts typing. */
  transition: width 220ms cubic-bezier(0.2, 0.8, 0.2, 1);
}
.hero-title .typer-out { display: inline; }
@media (prefers-reduced-motion: reduce) {
  .hero-title .typer { transition: none; }
}
.hero-title .caret {
  display: inline-block;
  width: 0.055em;
  height: 0.74em;
  background: var(--accent);
  margin-left: 0.05em;
  vertical-align: -0.04em;
  animation: caretBlink 1s step-end infinite;
}
.hero-title .typer.is-holding .caret { animation: caretBlink 1s step-end infinite; }
.hero-title .typer.is-typing .caret { animation: none; opacity: 1; }
@keyframes caretBlink { 0%, 100% { opacity: 1; } 50% { opacity: 0; } }
@media (prefers-reduced-motion: reduce) {
  .hero-title .caret { animation: none; opacity: 0.9; }
}

/* ---------- PROOF STRIP (section 09) ---------- */
.proof-lede { margin: 0 auto; }
.proof-lede strong { color: var(--paper); font-weight: 600; }
.proof-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1px;
  margin: 52px auto 0;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
}
.pf {
  background: var(--ink);
  padding: 26px 22px;
  display: flex; flex-direction: column; gap: 9px;
  text-align: center;
  transition: background var(--t-fast);
}
.pf:hover { background: var(--ink-3); }
.pf-k {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase;
  color: rgba(244,241,236,0.42);
}
.pf-v {
  font-size: clamp(16px, 1.7vw, 20px);
  font-weight: 600; letter-spacing: -0.02em;
  color: var(--paper);
}
.proof-foot {
  margin: 32px auto 0;
  max-width: 620px;
  font-size: 13.5px; line-height: 1.65;
  color: rgba(244,241,236,0.55);
}
/* optional-field hint on the form */
.contact-form .opt {
  font-style: normal;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase;
  color: rgba(10,10,10,0.38);
  margin-left: 6px;
}

/* ---------- ENVIRONMENT TABS (section 08) ---------- */
.env-tabs {
  display: flex; flex-wrap: wrap; gap: 6px;
  margin-top: 40px;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 5px;
  width: fit-content;
}
.env {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px; letter-spacing: 0.11em; text-transform: uppercase;
  color: rgba(244,241,236,0.55);
  padding: 10px 22px; border-radius: 999px;
  transition: background var(--t-fast), color var(--t-fast);
  white-space: nowrap;
}
.env:hover { color: var(--paper); }
.env.is-on { background: var(--accent); color: #fff; }
.usecase-track[hidden] { display: none; }
.usecase-track { margin-top: 28px; }
.usecase-track .usecase { animation: ucIn 480ms cubic-bezier(0.2, 0.8, 0.2, 1) both; }
.usecase-track .usecase:nth-child(1) { animation-delay: 0ms; }
.usecase-track .usecase:nth-child(2) { animation-delay: 45ms; }
.usecase-track .usecase:nth-child(3) { animation-delay: 90ms; }
.usecase-track .usecase:nth-child(4) { animation-delay: 135ms; }
.usecase-track .usecase:nth-child(5) { animation-delay: 180ms; }
@keyframes ucIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) {
  .usecase-track .usecase { animation: none; }
}
.uc-num { text-transform: uppercase; font-size: 11px; letter-spacing: 0.12em; }
.env-foot {
  margin-top: 26px;
  font-size: 13px; line-height: 1.6;
  color: rgba(244,241,236,0.5);
  max-width: 640px;
}

/* static stat (no count-up) */
.big-stat--static .big-num { display: block; }

/* ---------- WALL CROSS-SECTION ---------- */
.build-wrap {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: clamp(32px, 5vw, 72px);
  align-items: start;
  margin-top: 56px;
}
.xsec { display: flex; flex-direction: column; }
.xsec-stack {
  display: flex; flex-direction: column;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid var(--line);
  min-height: 430px;
}
.xl {
  flex: var(--t) 1 0;
  position: relative;
  display: flex; align-items: center;
  padding: 0 20px;
  min-height: 26px;
  border-bottom: 1px solid rgba(10,10,10,0.35);
}
.xl:last-child { border-bottom: none; }
.xl-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px; letter-spacing: 0.07em;
  color: rgba(244,241,236,0.92);
  text-shadow: 0 1px 3px rgba(0,0,0,0.55);
  white-space: nowrap;
}
.xl-tag--hero {
  font-family: 'Inter Tight', sans-serif;
  font-size: clamp(17px, 2.1vw, 24px);
  font-weight: 600; letter-spacing: -0.02em;
  color: #fff; text-shadow: 0 2px 10px rgba(0,0,0,0.5);
}
.xl--film   { background: #6E6A62; }
.xl--steel  { background: #9BA0A6; }
.xl--steel .xl-tag { color: #14171A; text-shadow: none; }
.xl--core   {
  background:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='34' height='30' viewBox='0 0 34 30'%3E%3Cg fill='none' stroke='%23FF5B2E' stroke-opacity='0.30' stroke-width='1'%3E%3Cpath d='M8.5 0.5 L0.5 5 L0.5 14 L8.5 18.5 L16.5 14 L16.5 5 Z'/%3E%3Cpath d='M25.5 0.5 L17.5 5 L17.5 14 L25.5 18.5 L33.5 14 L33.5 5 Z'/%3E%3Cpath d='M8.5 19.5 L0.5 24 L0.5 33 L8.5 37.5 L16.5 33 L16.5 24 Z'/%3E%3Cpath d='M25.5 19.5 L17.5 24 L17.5 33 L25.5 37.5 L33.5 33 L33.5 24 Z'/%3E%3C/g%3E%3C/svg%3E"),
    linear-gradient(180deg, #2E2A26 0%, #1E1B18 100%);
  border-top: 1px solid rgba(255,91,46,0.45);
  border-bottom: 1px solid rgba(255,91,46,0.45);
}
.xl--fabric { background: #4A4741; }
.xl--perf   {
  background:
    radial-gradient(circle at 4px 4px, rgba(10,10,10,0.55) 1.4px, transparent 1.6px) 0 0 / 9px 9px,
    #9BA0A6;
}
.xl--perf .xl-tag { color: #14171A; text-shadow: none; }
.xl--pet    { background: #C8C2B4; }
.xl--pet .xl-tag { color: #1C1A17; text-shadow: none; }

.xsec-rule {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px;
  margin-top: 14px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10.5px; letter-spacing: 0.13em; text-transform: uppercase;
  color: rgba(244,241,236,0.40);
}
.xsec-mm { color: var(--accent); }
.xsec-cap {
  margin-top: 12px;
  font-size: 13px; line-height: 1.6;
  color: rgba(244,241,236,0.52);
}

/* ---------- WHAT'S INCLUDED (section 04) ---------- */
.inc-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1px;
  background: rgba(10,10,10,0.12);
  border: 1px solid rgba(10,10,10,0.12);
  border-radius: 16px;
  overflow: hidden;
  margin-top: 52px;
}
.inc {
  background: var(--paper);
  padding: 30px 28px 34px;
  display: flex; flex-direction: column; gap: 10px;
  transition: background var(--t-med);
}
.inc:hover { background: var(--paper-2); }
.inc-n {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px; letter-spacing: 0.14em;
  color: var(--accent);
}
.inc h3 {
  font-family: 'Inter Tight', sans-serif;
  font-weight: 600; font-size: 20px;
  letter-spacing: -0.02em; color: var(--ink);
}
.inc p { font-size: 14px; line-height: 1.6; color: rgba(10,10,10,0.66); }
.inc-foot {
  margin-top: 28px;
  padding: 20px 24px;
  border: 1px dashed rgba(10,10,10,0.25);
  border-radius: 12px;
  max-width: 760px;
}
.inc-foot p { font-size: 13.5px; line-height: 1.6; color: rgba(10,10,10,0.62); }
.inc-foot strong { color: var(--ink); font-weight: 600; }

@media (max-width: 980px) {
  .build-wrap { grid-template-columns: 1fr; }
  .build-specs { position: static; }
  .xsec-stack { min-height: 360px; }
}
@media (max-width: 520px) {
  .xl { padding: 0 12px; }
  .xl-tag { font-size: 10px; }
}

/* ---------- ACOUSTIC SOURCE NOTE ---------- */
.db-source {
  margin-top: 34px;
  font-size: 13px; line-height: 1.65;
  color: rgba(244,241,236,0.62);
  max-width: 640px; margin-left: auto; margin-right: auto;
}

/* ---------- FORM STATUS ---------- */
.form-status {
  margin-top: 14px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12.5px; letter-spacing: 0.02em;
  min-height: 18px;
}
.form-status.is-ok { color: var(--olive); }
.form-status.is-err { color: #B3402A; }

/* cross-section end labels */
.xsec-out, .xsec-in { flex: none; }
.xsec-in { text-align: right; }

/* ---------- FAQ ---------- */
.faq-list {
  margin-top: 48px;
  border-top: 1px solid rgba(10,10,10,0.15);
  max-width: 880px;
}
.faq {
  border-bottom: 1px solid rgba(10,10,10,0.15);
}
.faq summary {
  list-style: none;
  cursor: pointer;
  padding: 22px 44px 22px 0;
  position: relative;
  transition: color var(--t-fast);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary h3 {
  display: inline;
  font-family: 'Inter Tight', sans-serif;
  font-weight: 500;
  font-size: clamp(17px, 1.9vw, 21px);
  letter-spacing: -0.02em;
  color: var(--ink);
}
.faq summary::after {
  content: '';
  position: absolute; right: 6px; top: 50%;
  width: 13px; height: 13px;
  margin-top: -7px;
  border-right: 2px solid var(--accent);
  border-bottom: 2px solid var(--accent);
  transform: rotate(45deg);
  transition: transform var(--t-fast);
}
.faq[open] summary::after { transform: rotate(-135deg); }
.faq summary:hover h3 { color: var(--accent); }
.faq p {
  padding: 0 40px 26px 0;
  font-size: 15px; line-height: 1.65;
  color: rgba(10,10,10,0.7);
  max-width: 720px;
}
@media (prefers-reduced-motion: reduce) {
  .faq summary::after { transition: none; }
}

/* ---------- "YOU PROBABLY NEED ONE IF" ---------- */
.triggers { margin-top: 56px; }
.trig-lead {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 18px;
}
.trig-list {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 12px 36px;
  max-width: 980px;
}
.trig-list li {
  position: relative;
  padding-left: 30px;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.5;
  color: rgba(244,241,236,0.88);
}
.trig-list li::before {
  content: '';
  position: absolute; left: 2px; top: 0.55em;
  width: 13px; height: 2px;
  background: var(--accent);
}

/* ---------- CTA: one goal, repeated at depth ---------- */
.cta-micro {
  display: block;
  margin-top: 14px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px; letter-spacing: 0.06em;
  color: rgba(244,241,236,0.5);
}
.hero-actions { flex-wrap: wrap; }
.hero-actions .cta-micro { flex-basis: 100%; margin-top: 18px; }

.cta-band {
  background: var(--accent);
  color: #fff;
  padding: clamp(30px, 4vw, 46px) 0;
}
.cta-band-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: clamp(20px, 4vw, 56px);
  flex-wrap: wrap;
  padding: 0 var(--pad);
}
.cta-kicker {
  display: block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase;
  color: rgba(255,255,255,0.72);
  margin-bottom: 10px;
}
.cta-line {
  font-size: clamp(19px, 2.3vw, 27px);
  font-weight: 500; letter-spacing: -0.02em;
  line-height: 1.3; max-width: 640px;
}
.cta-band-act { display: flex; flex-direction: column; align-items: flex-start; flex: none; }
.cta-band .btn-primary {
  background: var(--ink); color: var(--paper);
  border-color: var(--ink);
}
.cta-band .btn-primary:hover { background: #000; color: #fff; }
.cta-band .cta-micro { color: rgba(255,255,255,0.72); margin-top: 12px; }

/* model card CTA replaces the price line */
.model-cta {
  align-self: flex-start;
  margin-top: 6px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px; letter-spacing: 0.06em;
  color: var(--accent);
  border-bottom: 1px solid currentColor;
  padding-bottom: 3px;
  transition: color var(--t-fast), border-color var(--t-fast);
}
.model-cta:hover { color: var(--ink); border-color: var(--ink); }
.cfg-price strong { font-size: 20px; }

/* sticky bar: +11-14% on scrolling pages */
.sticky-cta {
  position: fixed; left: 0; right: 0; bottom: 0;
  z-index: 200;
  background: rgba(10,10,10,0.94);
  backdrop-filter: blur(18px);
  border-top: 1px solid var(--line);
  transform: translateY(110%);
  transition: transform 360ms cubic-bezier(0.2, 0.8, 0.2, 1);
  padding: 12px var(--pad);
}
.sticky-cta.is-on { transform: translateY(0); }
.sticky-cta-inner {
  max-width: var(--maxw); margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
}
.sticky-cta-text {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px; letter-spacing: 0.05em;
  color: rgba(244,241,236,0.72);
}
.sticky-cta .btn { padding: 12px 22px; font-size: 13px; flex: none; }
@media (max-width: 600px) {
  .sticky-cta-text { display: none; }
  .sticky-cta-inner { justify-content: stretch; }
  .sticky-cta .btn { width: 100%; justify-content: center; }
}
@media (prefers-reduced-motion: reduce) {
  .sticky-cta { transition: none; }
}
@media (max-width: 760px) {
  .cta-band-inner { flex-direction: column; align-items: flex-start; }
  .cta-band-act { width: 100%; }
}
.cta-band-copy { flex: 1 1 340px; min-width: 0; }