/* OMI v2 — Cinematic product page. Dark + amber. Display sans. Engineer tone. */
@import url('https://fonts.googleapis.com/css2?family=Inter+Tight:wght@400;500;600;700;800;900&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
  /* surfaces */
  --bg: #0a0a0a;
  --bg-1: #0f0f0f;
  --bg-2: #141414;
  --bg-3: #1a1a1a;
  --paper: #f7f5f0;

  /* ink */
  --ink: #f5f3ee;
  --ink-2: #b5b3ad;
  --ink-3: #6e6c66;
  --ink-4: #3d3b36;

  /* lines */
  --line: rgba(245,243,238,0.08);
  --line-2: rgba(245,243,238,0.04);

  /* accent — amber/copper */
  --amber: #ff8a3d;
  --amber-2: #ffb070;
  --amber-3: #c95d10;
  --warm: #f7d8a8;

  /* type — Inter Tight is the closest free analog to Neue Haas Grotesk Display */
  --display: 'Inter Tight', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}
/* Anchored sections clear the fixed nav */
section[id], div[id] { scroll-margin-top: 96px; }
body {
  font-family: var(--display);
  background: var(--bg);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  /* removed font-feature-settings ss01/cv11 — they were causing odd glyph swaps in numerals */
}
img, svg, video { display: block; max-width: 100%; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
a { color: inherit; text-decoration: none; }
::selection { background: var(--amber); color: #000; }

/* ------- TYPE SCALE (display-heavy, Helvetica-style) ------- */
.t-mega {
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(72px, 14vw, 240px);
  letter-spacing: -0.05em;
  line-height: 0.86;
  text-transform: none;
}
.t-display {
  font-weight: 700;
  font-size: clamp(56px, 9vw, 144px);
  letter-spacing: -0.045em;
  line-height: 0.9;
}
.t-h1 {
  font-weight: 700;
  font-size: clamp(36px, 5.2vw, 76px);
  letter-spacing: -0.04em;
  line-height: 0.98;
  text-wrap: balance;
}
.t-h2 {
  font-weight: 600;
  font-size: clamp(28px, 3.5vw, 48px);
  letter-spacing: -0.03em;
  line-height: 1;
}
.t-h3 {
  font-weight: 600;
  font-size: clamp(20px, 2vw, 28px);
  letter-spacing: -0.02em;
  line-height: 1.1;
}
.t-body {
  font-size: clamp(15px, 1.1vw, 18px);
  line-height: 1.5;
  color: var(--ink-2);
  font-weight: 400;
}
.t-body-lg {
  font-size: clamp(18px, 1.4vw, 22px);
  line-height: 1.5;
  color: var(--ink-2);
  font-weight: 400;
}
.t-mono {
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--ink-3);
}
.t-mono-amber {
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--amber);
}
.amber { color: var(--amber); }
.warm { color: var(--warm); }
.ink { color: var(--ink); }
.dim { color: var(--ink-3); }

/* ------- LAYOUT ------- */
.wrap { max-width: 1440px; margin: 0 auto; padding: 0 40px; }
@media (max-width: 720px) { .wrap { padding: 0 20px; } }

.section { padding: 120px 0; position: relative; }
@media (max-width: 720px) { .section { padding: 80px 0; } .manifesto { padding: 100px 0 !important; } }
.section--tight { padding: 80px 0; }
.section--alt { background: var(--bg-1); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }

/* Section index labels (left rail) */
.rail-label {
  position: relative;
  display: flex;
  margin-bottom: 48px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-3);
  gap: 16px;
  align-items: center;
  z-index: 2;
}
.rail-label::before {
  content: ""; width: 32px; height: 1px; background: var(--amber); opacity: 0.7;
}
@media (max-width: 900px) { .rail-label { margin-bottom: 32px; } .rail-label::before { width: 24px; } }

/* ------- NAV ------- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 16px 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(10,10,10,0.6);
  -webkit-backdrop-filter: blur(20px) saturate(140%);
  backdrop-filter: blur(20px) saturate(140%);
  border-bottom: 1px solid var(--line);
  transition: padding 200ms;
}
.nav__logo {
  font-family: var(--display);
  font-weight: 800;
  font-size: 20px;
  letter-spacing: -0.03em;
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav__logo i {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--amber);
  box-shadow: 0 0 8px var(--amber);
}
.nav__links {
  display: flex;
  gap: 28px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-2);
}
.nav__links a:hover { color: var(--amber); }
.nav__cta {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  padding: 10px 18px;
  background: var(--ink);
  color: #000;
  border-radius: 999px;
  font-weight: 500;
  transition: all 150ms;
}
.nav__cta:hover { background: var(--amber); }
.nav__progress {
  position: absolute;
  bottom: 0; left: 0;
  height: 1px;
  background: var(--amber);
  width: 0;
  transition: width 80ms linear;
}
@media (max-width: 760px) { .nav__links { display: none; } }

/* ------- HERO ------- */
.hero {
  min-height: 100vh;
  padding: 120px 0 80px;
  position: relative;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero__grid {
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  gap: 80px;
  align-items: center;
  width: 100%;
  position: relative;
  z-index: 2;
}
@media (max-width: 960px) { .hero__grid { grid-template-columns: 1fr; } }

.hero__copy { display: flex; flex-direction: column; gap: 32px; }
.hero__chip {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 12px;
  border: 1px solid var(--line);
  border-radius: 4px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-2);
  width: fit-content;
  background: rgba(255,138,61,0.04);
}
.hero__chip i {
  width: 6px; height: 6px;
  background: var(--amber);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--amber);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse { 0%,100% { opacity: 0.4; } 50% { opacity: 1; } }
/* LED pulse — CSS animation so prefers-reduced-motion can suppress it (SMIL <animate> cannot be suppressed by CSS) */
.led-pulse { animation: pulse 2.4s ease-in-out infinite; }

.hero__title {
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(56px, 7.6vw, 124px);
  letter-spacing: -0.055em;
  line-height: 0.88;
  text-transform: uppercase;
  word-break: break-word;
}
.hero__title .strike {
  position: relative;
  display: inline-block;
  color: var(--ink-3);
  font-weight: 600;
}
.hero__title .strike::before {
  content: ""; position: absolute;
  top: 50%; left: -4%; right: -4%;
  height: 0.06em;
  background: var(--amber);
  transform: translateY(-50%) rotate(-3deg);
}
.hero__title em {
  font-style: normal;
  color: var(--amber);
  font-weight: 800;
}

.hero__sub {
  max-width: 480px;
  font-size: 17px;
  line-height: 1.5;
  color: var(--ink-2);
  font-weight: 400;
}

.hero__metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  max-width: 540px;
}
.hero__metric {
  padding: 16px 16px 16px 0;
  border-right: 1px solid var(--line);
}
.hero__metric:last-child { border-right: none; padding-right: 0; }
.hero__metric:nth-child(n+2) { padding-left: 16px; }
.hero__metric-num {
  font-family: var(--display);
  font-size: 26px;
  font-weight: 700;
  letter-spacing: -0.025em;
  color: var(--ink);
  line-height: 1;
  margin-bottom: 8px;
  font-variant-numeric: tabular-nums;
}
.hero__metric-num small { font-size: 12px; font-weight: 500; color: var(--ink-3); margin-left: 3px; letter-spacing: 0.04em; }
.hero__metric-label {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-3);
}

.hero__ctas { display: flex; gap: 8px; flex-wrap: wrap; }
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 24px;
  border-radius: 999px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-weight: 500;
  transition: all 200ms;
  white-space: nowrap;
}
.btn--solid { background: var(--ink); color: #000; }
.btn--solid:hover { background: var(--amber); transform: translateY(-1px); }
.btn--ghost {
  border: 1px solid var(--line);
  color: var(--ink);
  background: rgba(245,243,238,0.02);
}
.btn--ghost:hover { border-color: var(--amber); color: var(--amber); }
.btn--amber { background: var(--amber); color: #000; }
.btn--amber:hover { background: var(--amber-2); }

/* Hero photo composition */
.hero__photo-stack {
  position: relative;
  aspect-ratio: 0.94;
  width: 100%;
  /* Inner gutter so absolutely positioned offsets don't clip the parent */
  padding: 24px 32px;
}
.hero__photo {
  position: absolute;
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 60px 120px rgba(0,0,0,0.6), 0 0 0 1px var(--line);
}
.hero__photo img { width: 100%; height: 100%; object-fit: cover; }
.hero__photo--main {
  inset: 24px 32px;
  z-index: 2;
  border-radius: 18px;
}
.hero__photo--detail {
  width: 36%;
  aspect-ratio: 1;
  bottom: 0;
  right: 0;
  z-index: 3;
  border: 1px solid rgba(255,138,61,0.25);
  box-shadow: 0 30px 80px rgba(0,0,0,0.7), 0 0 60px rgba(255,138,61,0.12);
}
.hero__photo--angle {
  width: 30%;
  aspect-ratio: 0.85;
  top: 0;
  left: 0;
  z-index: 1;
  opacity: 0.85;
  transform: rotate(-5deg);
}
.hero__photo-ann {
  position: absolute;
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--amber);
  z-index: 4;
  display: flex;
  gap: 8px;
  align-items: center;
}
.hero__photo-ann::before {
  content: "";
  width: 24px; height: 1px;
  background: var(--amber);
}
.hero__photo-ann--lens { top: 22%; right: 6%; }
.hero__photo-ann--mics { bottom: 38%; left: 6%; }
.hero__photo-ann--mics::before { display: none; }
.hero__photo-ann--mics::after {
  content: "";
  width: 24px; height: 1px;
  background: var(--amber);
}

@media (max-width: 720px) {
  .hero__photo--detail, .hero__photo--angle { display: none; }
  .hero__photo-ann { display: none; }
}

/* Ambient glow */
.glow {
  position: absolute;
  pointer-events: none;
  border-radius: 50%;
  filter: blur(120px);
}
.glow--amber {
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(255,138,61,0.18), transparent 70%);
}
.glow--top-right { top: -10%; right: -10%; }
.glow--bottom-left { bottom: -10%; left: -10%; }

/* Subtle grid overlay */
.grid-bg {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(245,243,238,0.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(245,243,238,0.018) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
  pointer-events: none;
}

/* ------- MARQUEE ------- */
.marquee {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 28px 0;
  overflow: hidden;
  background: var(--bg);
  position: relative;
}
.marquee__track {
  display: flex;
  gap: 60px;
  animation: marquee 80s linear infinite; /* JS overrides duration at runtime via scrollWidth measurement */
  white-space: nowrap;
  font-family: var(--display);
  font-size: 36px;
  font-weight: 700;
  letter-spacing: -0.02em;
  text-transform: uppercase;
}
.marquee__track span { color: var(--ink-3); }
.marquee__track span.amber { color: var(--amber); }
.marquee__track i { font-style: normal; color: var(--ink); }
.marquee__track .dot { color: var(--amber); margin: 0 4px; }
@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(var(--marquee-end, -2148px)); }
}

/* ------- MANIFESTO ------- */
.manifesto { padding: 180px 0; position: relative; }
.manifesto__lede {
  font-family: var(--display);
  font-weight: 500;
  font-size: clamp(26px, 3.4vw, 48px);
  letter-spacing: -0.025em;
  line-height: 1.15;
  max-width: 1100px;
  text-wrap: balance;
}
.manifesto__lede em {
  font-style: normal;
  color: var(--amber);
  font-weight: 700;
}
.manifesto__lede .strike {
  text-decoration: line-through;
  text-decoration-color: var(--ink-3);
  text-decoration-thickness: 2px;
  color: var(--ink-3);
}
.manifesto__cols {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 64px;
  margin-top: 96px;
  border-top: 1px solid var(--line);
  padding-top: 48px;
}
@media (max-width: 900px) { .manifesto__cols { grid-template-columns: 1fr; gap: 32px; } }
.manifesto__col h4 {
  font-family: var(--display);
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin: 16px 0 12px;
}
.manifesto__col-num {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--amber);
}

/* ------- ARCHITECTURE / SOC ------- */
.soc-stage {
  background: var(--bg-1);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 48px;
  position: relative;
  overflow: hidden;
}
.soc-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 64px;
  align-items: center;
}
@media (max-width: 900px) { .soc-grid { grid-template-columns: 1fr; gap: 32px; } }

.soc-die {
  aspect-ratio: 1;
  background: radial-gradient(ellipse at 30% 20%, #1c1815, #0d0c0a);
  border-radius: 12px;
  border: 1px solid var(--line);
  position: relative;
  overflow: hidden;
}
.soc-die::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    repeating-linear-gradient(0deg, rgba(255,138,61,0.04) 0px, rgba(255,138,61,0.04) 1px, transparent 1px, transparent 12px),
    repeating-linear-gradient(90deg, rgba(255,138,61,0.04) 0px, rgba(255,138,61,0.04) 1px, transparent 1px, transparent 12px);
}
.soc-block {
  position: absolute;
  border: 1px solid rgba(255,138,61,0.4);
  background: rgba(255,138,61,0.06);
  border-radius: 4px;
  padding: 6px 10px;
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--amber);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}
.soc-block.dim {
  border-color: var(--line);
  background: rgba(245,243,238,0.02);
  color: var(--ink-3);
}
.soc-trace {
  position: absolute;
  background: var(--amber);
  opacity: 0.4;
}
.soc-pin {
  position: absolute;
  width: 4px; height: 4px;
  background: var(--amber);
  border-radius: 50%;
  box-shadow: 0 0 6px var(--amber);
}

/* ISA / instruction list */
.isa-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.isa-row {
  display: grid;
  grid-template-columns: 80px 1fr auto;
  gap: 24px;
  padding: 14px 0;
  border-top: 1px solid var(--line);
  align-items: baseline;
  font-family: var(--mono);
  font-size: 13px;
}
.isa-row:last-child { border-bottom: 1px solid var(--line); }
.isa-row .op { color: var(--amber); font-weight: 600; letter-spacing: 0.04em; }
.isa-row .desc { color: var(--ink-2); font-family: var(--display); font-size: 14px; letter-spacing: 0; }
.isa-row .clk { color: var(--ink-3); font-size: 11px; }

/* ------- TRIT STREAM (live) ------- */
.trit-board {
  background: var(--bg-1);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 32px;
  position: relative;
  overflow: hidden;
}
.trit-grid {
  display: grid;
  grid-template-columns: repeat(16, 1fr);
  gap: 4px;
  margin: 24px 0;
}
.trit {
  aspect-ratio: 1;
  border-radius: 3px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 600;
  transition: all 250ms cubic-bezier(0.34, 1.56, 0.64, 1);
}
.trit--neg { background: #1f1410; color: var(--amber-3); border: 1px solid #3a221b; }
.trit--zero { background: #161616; color: var(--ink-3); border: 1px solid #232323; }
.trit--pos { background: var(--amber); color: #1a0d05; border: 1px solid var(--amber-2); box-shadow: 0 0 12px rgba(255,138,61,0.5); }

.trit-board__head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-3);
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.trit-board__head .live {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--amber);
}
.trit-board__head .live i { width: 6px; height: 6px; background: var(--amber); border-radius: 50%; box-shadow: 0 0 8px var(--amber); animation: pulse 1s ease-in-out infinite; }

.trit-board__legend {
  display: flex;
  gap: 24px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-2);
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}
.trit-board__legend span { display: flex; gap: 8px; align-items: center; }
.trit-board__legend i { width: 10px; height: 10px; border-radius: 2px; }

/* ------- COMPARISON TABLE ------- */
.compare {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  margin-top: 48px;
}
.compare th, .compare td {
  text-align: left;
  padding: 18px 24px;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
}
.compare thead th {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-3);
  font-weight: 500;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}
.compare thead th.us {
  color: var(--amber);
  background: rgba(255,138,61,0.04);
}
.compare tbody td {
  color: var(--ink-2);
  font-family: var(--display);
  font-weight: 400;
}
.compare tbody td.us {
  color: var(--ink);
  font-weight: 600;
  background: rgba(255,138,61,0.04);
}
.compare tbody tr:hover td:not(.us) { color: var(--ink-2); }
.compare .feat {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-3);
  font-weight: 500;
}
.check { color: var(--amber); font-weight: 600; }
.x { color: var(--ink-3); } /* ink-3 (#6e6c66) has ~4.6:1 contrast on dark bg; ink-4 (#3d3b36) failed at ~2:1 */

/* ------- EXPLODED VIEW ------- */
.exploded-section { padding: 0; height: 500vh; position: relative; }
.exploded-sticky {
  position: sticky; top: 0;
  height: 100vh;
  background: var(--bg);
  overflow: hidden;
  /*
    Stage is 60vh tall. Center it vertically accounting for the 64px fixed nav:
    padding-top = 64px + (available_height - stage_height) / 2
                = 64px + (100vh - 64px - 60vh) / 2
                = 32px + 20vh
  */
  padding-top: calc(32px + 20vh);
  box-sizing: border-box;
}
.exploded-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  /* Force all tracks to the same height as the stage so flex centering lands at ~50% */
  grid-template-rows: 60vh;
  gap: 40px;
  width: 100%;
  align-items: center;
  position: relative;
  z-index: 2;
}
@media (max-width: 1100px) { .exploded-grid { grid-template-columns: 1fr 1fr; } .exploded-grid .right { display: none; } }
@media (max-width: 720px)  { .exploded-grid { grid-template-columns: 1fr; grid-template-rows: 55vh; } .exploded-grid .left { display: none; } }

.exploded-stage {
  height: 60vh;
  min-height: 360px;
  position: relative;
  perspective: 1400px;
  perspective-origin: 50% 48%;
}
.exploded-scene {
  position: absolute;
  inset: 0;
  transform-style: preserve-3d;
}
.exp-slice {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 200px;
  height: 370px;
  transform-style: preserve-3d;
  /* direct-follow for scroll, slow-fade for opacity reveal */
  transition: transform 80ms linear, opacity 600ms ease, filter 400ms;
  filter: drop-shadow(0 18px 28px rgba(0,0,0,0.62));
}
.exp-slice .layer-svg {
  width: 100%;
  height: 100%;
  display: block;
}
.exp-slice.is-accent { filter: drop-shadow(0 18px 28px rgba(0,0,0,0.62)) drop-shadow(0 0 16px rgba(255,138,61,0.20)); }

@media (max-width: 720px) {
  .exp-slice { width: 160px; height: 296px; }
}

/* Left column heading — smaller to keep the column ≤ stage height */
.exploded-h2 {
  font-family: var(--display);
  font-size: clamp(24px, 3.2vw, 46px);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.05;
  margin: 0 0 20px;
}
/* Columns explicitly fill the grid row height so all items center at 50% */
.exploded-grid .left {
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0;
}
.exp-stats {
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 16px;
}

.exp-step {
  padding: 16px 0;
  border-top: 1px solid var(--line);
  opacity: 0.22;
  transition: opacity 300ms;
}
.exp-step.active { opacity: 1; }
.exp-step .num {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--amber);
}
.exp-step h4 {
  font-family: var(--display);
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin: 6px 0 8px;
}
.exp-step p {
  color: var(--ink-2);
  font-size: 13px;
  line-height: 1.5;
}

.exp-stat {
  padding: 20px;
  background: var(--bg-1);
  border: 1px solid var(--line);
  border-radius: 8px;
}
.exp-stat__num {
  font-family: var(--display);
  font-size: 36px;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1;
  color: var(--amber);
}
.exp-stat__label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-top: 12px;
}

/* ------- BATTERY ------- */
.battery-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
@media (max-width: 900px) { .battery-grid { grid-template-columns: 1fr; gap: 40px; } }

.battery-vis {
  aspect-ratio: 1;
  background: var(--bg-1);
  border: 1px solid var(--line);
  border-radius: 16px;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.battery-vis::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,138,61,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,138,61,0.03) 1px, transparent 1px);
  background-size: 20px 20px;
  pointer-events: none;
}
.cell {
  width: 76%;
  height: 26%;
  border-radius: 14px;
  background: linear-gradient(180deg, #1a1a1a, #0d0d0d);
  border: 1px solid #2a2a2a;
  position: relative;
  box-shadow: 0 30px 80px rgba(0,0,0,0.5);
  overflow: hidden;
}
.cell__fill {
  position: absolute;
  inset: 0;
  width: 0%;
  background: linear-gradient(90deg, var(--amber-3), var(--amber));
  transition: width 2.8s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 0 40px rgba(255,138,61,0.4);
}
.cell__pct {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--display);
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
  z-index: 2;
  text-shadow: 0 0 12px rgba(0,0,0,0.6);
}
.battery-vis__cap {
  position: absolute;
  bottom: 24px;
  left: 24px;
  right: 24px;
  display: flex;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.battery-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  margin-top: 32px;
  border-top: 1px solid var(--line);
}
.battery-stat {
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
}
.battery-stat:nth-child(odd) { padding-right: 24px; border-right: 1px solid var(--line); }
.battery-stat:nth-child(even) { padding-left: 24px; }
.battery-stat__num {
  font-family: var(--display);
  font-size: 56px;
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1;
  color: var(--ink);
}
.battery-stat__num small { color: var(--ink-3); font-size: 18px; font-weight: 500; margin-left: 4px; }
.battery-stat__label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-top: 12px;
}

/* ------- SPECS ------- */
.specs-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 80px;
  margin-top: 48px;
}
@media (max-width: 760px) { .specs-grid { grid-template-columns: 1fr; gap: 0; } }
.spec-row {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 24px;
  padding: 20px 0;
  border-top: 1px solid var(--line);
  align-items: baseline;
}
.spec-row:last-child { border-bottom: 1px solid var(--line); }
.spec-row .label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.spec-row .val { font-size: 14px; color: var(--ink); font-variant-numeric: tabular-nums; }
.spec-row .val small {
  display: block;
  color: var(--ink-3);
  font-size: 12px;
  margin-top: 4px;
}

/* ------- CTA ------- */
.cta {
  padding: 200px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta__title {
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(48px, 7.6vw, 120px);
  letter-spacing: -0.05em;
  line-height: 0.92;
  text-transform: uppercase;
  text-wrap: balance;
  padding: 0 4%;
}
.cta__title em { color: var(--amber); font-style: normal; }
.cta__sub {
  margin-top: 24px;
  max-width: 520px;
  margin-left: auto; margin-right: auto;
  color: var(--ink-2);
  font-size: 18px;
}
.cta__form {
  display: flex;
  gap: 4px;
  max-width: 520px;
  margin: 40px auto 0;
  background: rgba(245,243,238,0.06);
  border-radius: 999px;
  padding: 6px;
  border: 1px solid var(--line);
  position: relative;
  z-index: 2;
  transition: border-color 200ms;
}
.cta__form:focus-within { border-color: rgba(255,138,61,0.5); }
.cta__form.error { border-color: rgba(201,93,16,0.6); }
.cta__form input {
  flex: 1;
  min-width: 0;
  background: transparent;
  border: none;
  outline: none;
  padding: 14px 20px;
  color: var(--ink);
  font-family: var(--display);
  font-size: 15px;
  font-weight: 500;
}
.cta__form input::placeholder { color: var(--ink-2); opacity: 0.6; }
.cta__success {
  margin-top: 16px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--amber);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  opacity: 0;
  transition: opacity 300ms;
}
.cta__success.show { opacity: 1; }
.cta__price {
  margin-top: 32px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.cta__price strong { color: var(--amber); font-weight: 600; }

/* ------- FAQ ------- */
.faq { max-width: 880px; margin: 64px auto 0; }
.faq__item {
  border-top: 1px solid var(--line);
}
.faq__item:last-child { border-bottom: 1px solid var(--line); }
.faq__q {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--display);
  font-size: 20px;
  font-weight: 500;
  letter-spacing: -0.02em;
  width: 100%;
  padding: 24px 0;
  background: transparent;
  border: 0;
  color: inherit;
  cursor: pointer;
  text-align: left;
}
.faq__q:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 4px;
}
.faq__plus {
  font-family: var(--mono);
  font-size: 16px;
  color: var(--ink-3);
  transition: transform 200ms;
}
.faq__item.open .faq__plus { transform: rotate(45deg); color: var(--amber); }
.faq__a {
  display: grid;
  grid-template-rows: 0fr;
  overflow: hidden;
  transition: grid-template-rows 300ms ease, padding 300ms ease;
  color: var(--ink-2);
  font-size: 15px;
  line-height: 1.6;
}
.faq__a > * { min-height: 0; }
.faq__item.open .faq__a {
  grid-template-rows: 1fr;
  padding-bottom: 24px;
}

/* ------- FOOTER ------- */
.footer {
  border-top: 1px solid var(--line);
  padding: 80px 0 32px;
  background: var(--bg);
}
.footer__big {
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(96px, 22vw, 360px);
  letter-spacing: -0.07em;
  line-height: 0.82;
  text-transform: uppercase;
  margin-bottom: 48px;
  text-align: center;
  position: relative;
  background: linear-gradient(180deg, var(--ink) 0%, rgba(245,243,238,0.18) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.footer__big i {
  font-style: normal;
  -webkit-text-fill-color: var(--amber);
  color: var(--amber);
}
.footer__cols {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  padding-top: 48px;
  border-top: 1px solid var(--line);
}
@media (max-width: 760px) { .footer__cols { grid-template-columns: 1fr 1fr; } }
.footer__col h5 {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 20px;
  font-weight: 500;
}
.footer__col a {
  display: block;
  font-size: 14px;
  color: var(--ink-2);
  margin-bottom: 12px;
  transition: color 150ms;
}
.footer__col a:hover { color: var(--amber); }
.footer__brand p {
  font-size: 13px;
  color: var(--ink-3);
  max-width: 320px;
  margin-top: 16px;
  line-height: 1.5;
}
.footer__bottom {
  margin-top: 64px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-3);
}

/* Section heading utility */
.section-head {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 64px;
  align-items: end;
  margin-bottom: 64px;
}
@media (max-width: 900px) { .section-head { grid-template-columns: 1fr; gap: 24px; } }
.section-head__sub { color: var(--ink-2); font-size: 18px; line-height: 1.5; max-width: 520px; }

/* spec rows full width grid */
.colspan-2 { grid-column: span 2; }
@media (max-width: 760px) { .colspan-2 { grid-column: auto; } }

/* ------- TRUST / PRESS BAR ------- */
.trust {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--bg-1);
  padding: 36px 0;
}
.trust__head {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-3);
  text-align: center;
  margin-bottom: 24px;
}
.trust__row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 32px 48px;
}
.trust__logo {
  font-family: var(--display);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--ink-3);
  opacity: 0.7;
  transition: opacity 200ms, color 200ms;
  flex: 1 1 auto;
  text-align: center;
  white-space: nowrap;
}
.trust__logo:hover { opacity: 1; color: var(--ink); }

/* ------- CTA GUARANTEES ------- */
.cta__msg { min-height: 24px; margin-top: 18px; }
.cta__error {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--amber-3);
}
.cta__guarantees {
  margin-top: 56px;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 14px 36px;
  padding-top: 32px;
  border-top: 1px solid var(--line);
  max-width: 720px;
  margin-left: auto; margin-right: auto;
}
.cta__guar {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-2);
}
.cta__guar-icon {
  display: inline-flex;
  align-items: center; justify-content: center;
  width: 24px; height: 24px;
  border-radius: 50%;
  background: rgba(255,138,61,0.12);
  border: 1px solid rgba(255,138,61,0.35);
  color: var(--amber);
  font-size: 12px;
}
.cta__form.error input { color: var(--amber-3); }

/* ------- STICKY MOBILE CTA ------- */
.mobile-cta {
  position: fixed;
  left: 12px; right: 12px; bottom: 12px;
  z-index: 90;
  display: none;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 16px 12px 20px;
  background: rgba(15,15,15,0.92);
  -webkit-backdrop-filter: blur(20px) saturate(160%);
  backdrop-filter: blur(20px) saturate(160%);
  border: 1px solid var(--line);
  border-radius: 999px;
  box-shadow: 0 12px 30px rgba(0,0,0,0.5);
  text-decoration: none;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 250ms, transform 250ms;
  pointer-events: none;
}
.mobile-cta.show { opacity: 1; transform: translateY(0); pointer-events: auto; }
.mobile-cta__price {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-2);
}
.mobile-cta__btn {
  background: var(--amber);
  color: #000;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 600;
  padding: 8px 16px;
  border-radius: 999px;
}
@media (max-width: 720px) {
  .mobile-cta { display: flex; }
  /* extra space at bottom so sticky CTA never overlaps content */
  body { padding-bottom: 72px; }
}

/* ------- MOBILE POLISH ------- */
@media (max-width: 720px) {
  .nav { padding: 12px 16px; }
  .nav__logo { font-size: 17px; }
  .nav__cta { padding: 8px 14px; font-size: 10px; }
  .wrap { padding: 0 18px; }
  .hero { padding: 100px 0 48px; min-height: auto; }
  .hero__photo-stack { padding: 18px 24px; aspect-ratio: 0.95; max-width: 420px; margin: 0 auto; }
  .hero__photo--main { inset: 18px 24px; }
  .hero__metrics { grid-template-columns: repeat(2, 1fr); }
  .hero__metric:nth-child(2) { border-right: none; }
  .hero__metric:nth-child(3), .hero__metric:nth-child(4) { border-top: 1px solid var(--line); }
  .hero__metric:nth-child(3) { padding-left: 0; }
  .marquee__track { font-size: 26px; gap: 36px; }
  .compare th, .compare td { padding: 12px 14px; font-size: 12px; }
  .compare thead th { font-size: 9px; }
  .footer__big { font-size: clamp(72px, 26vw, 200px); }
  .trust__row { gap: 18px 24px; }
  .trust__logo { font-size: 14px; flex: 0 1 auto; }
  .cta__guarantees { gap: 14px 20px; }
  .cta__guar { font-size: 10px; }
}

/* ------- COMPARE TABLE OVERFLOW ON SMALL SCREENS ------- */
@media (max-width: 520px) {
  .compare { display: block; overflow-x: auto; white-space: nowrap; }
}

/* ------- BUTTON FOCUS ACCESSIBILITY ------- */
.btn:focus-visible, .nav__cta:focus-visible, .cta__form input:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 3px;
}

/* ------- REDUCED MOTION ------- */
@media (prefers-reduced-motion: reduce) {
  /* Stop decorative looping animations entirely rather than racing through them */
  .marquee__track,
  .led-pulse,
  .trit-board__head .live i,
  .hero__chip i,
  .nav__logo i { animation: none !important; }
  /* Collapse non-looping transitions so UI still feels responsive */
  *, *::before, *::after { transition-duration: 0.01s !important; }
}