/* omegaG — formerly DS4CC. Dark product page; grotesque display + mono technical labels. */

:root {
  --bg: #0a0a0b;
  --text: #f4f4f2;
  --muted: #9a9a93;
  --faint: #85857f;
  --line: rgba(255, 255, 255, 0.09);
  --accent: #4d7cff;
  --vibe-ring: rgba(255, 92, 186, 0.28);
  --vibe-edge: rgba(255, 92, 186, 0.18);
  --vibe-glow: rgba(255, 70, 180, 0.22);
  --vibe-soft: rgba(255, 70, 180, 0.1);
  --vibe-halo: rgba(255, 46, 160, 0.12);
  --lb: #3b82f6;               /* live lightbar color, driven by JS */
  --sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SFMono-Regular", "Cascadia Code", Consolas, "Liberation Mono", Menlo, monospace;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

::selection { background: var(--accent); color: #fff; }

a { color: inherit; }

.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;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 0.75rem;
  left: 0.75rem;
  padding: 0.65rem 0.9rem;
  color: #0b0b0d;
  background: var(--text);
  border-radius: 6px;
  transform: translateY(-160%);
}
.skip-link:focus { transform: none; }
:focus-visible { outline: 3px solid #8aabff; outline-offset: 3px; }

/* ---------- entrance: staggered reveal ---------- */
[data-animate] {
  opacity: 0;
  transform: translateY(14px);
  animation: rise 0.72s cubic-bezier(0.25, 0.1, 0.25, 1) forwards;
  animation-delay: calc(var(--stagger, 1) * 95ms);
}
@keyframes rise { to { opacity: 1; transform: none; } }
.hero > :nth-child(1) { --stagger: 1; }
.hero > :nth-child(2) { --stagger: 2; }
.hero > :nth-child(3) { --stagger: 3; }
.hero > :nth-child(4) { --stagger: 4; }
.hero > :nth-child(5) { --stagger: 5; }
.hero > :nth-child(6) { --stagger: 6; }
.hero > :nth-child(n+7) { --stagger: 7; }
@media (prefers-reduced-motion: reduce) {
  [data-animate] { animation: none; opacity: 1; transform: none; }
  html { scroll-behavior: auto; }
}

/* ---------- nav ---------- */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  display: flex;
  align-items: center;
  gap: 2rem;
  padding: 0.55rem 1.6rem;
  background: rgba(10, 10, 11, 0.72);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.nav-brand { display: flex; align-items: center; gap: 0.6rem; min-height: 44px; text-decoration: none; }
.nav-mark { width: 26px; height: 26px; object-fit: contain; }
.nav-word { font-family: var(--mono); font-weight: 700; font-size: 1rem; letter-spacing: 0.02em; }
.nav-links { display: flex; gap: 1.5rem; margin-left: auto; }
.nav-links a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 0.15rem;
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  text-decoration: none;
  transition: color 200ms ease;
}
.nav-links a:hover { color: var(--text); }
.nav-tag {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--faint);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.28rem 0.7rem;
  white-space: nowrap;
}

/* ---------- hero ---------- */
.hero {
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 5rem 1.5rem 2.25rem;
}
.vibe-card {
  position: relative;
  width: min(820px, 88vw);
  margin: 0 auto;
  border-radius: 16px;
  overflow: hidden;
  isolation: isolate;
  background: #000;
  box-shadow:
    0 0 0 1px var(--vibe-ring),
    0 0 28px var(--vibe-glow),
    0 0 90px var(--vibe-halo),
    0 28px 70px rgba(0, 0, 0, 0.7);
}
.vibe-card::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  box-shadow: inset 0 0 90px rgba(0, 0, 0, 0.28);
}
.vibe-card img {
  display: block;
  width: 100%;
  height: auto;
}
.hero-art-wrap { display: contents; }
.hero-art {
  width: min(240px, 46vw);
  max-width: 100%;
  height: auto;
  border-radius: 10px;
  display: block;
  margin-top: 1.8rem;
}
.hero-art-wrap + .hero-eyebrow { margin-top: 1.4rem; }
.hero-eyebrow {
  margin-top: 1.1rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
}
.hero-title {
  margin-top: 0.3rem;
  font-size: clamp(2.5rem, 7vw, 4.6rem);
  font-weight: 600;
  letter-spacing: -0.045em;
  line-height: 1.02;
}
.hero-tagline {
  margin-top: 0.7rem;
  max-width: 580px;
  font-size: clamp(0.98rem, 1.8vw, 1.12rem);
  color: var(--muted);
  text-wrap: balance;
}
.hero-attribution {
  margin-top: 0.7rem;
  font-size: 0.92rem;
  color: var(--faint);
}
.hero-actions {
  margin-top: 1.15rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  justify-content: center;
  align-items: center;
}
.btn-primary, .btn-secondary {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  border-radius: 8px;
  padding: 0.72rem 1.35rem;
  transition: background 200ms ease, transform 200ms ease, border-color 200ms ease, color 200ms ease;
}
.btn-primary {
  color: #0b0b0d;
  background: var(--text);
  border: 1px solid transparent;
}
.btn-primary:hover { background: #fff; transform: translateY(-1px); }
.btn-secondary {
  color: var(--text);
  background: transparent;
  border: 1px solid var(--line);
}
.btn-secondary:hover {
  border-color: rgba(255, 255, 255, 0.28);
  color: #fff;
  transform: translateY(-1px);
}
.btn-tertiary {
  opacity: 0.92;
}
.hero-sub {
  margin-top: 1.15rem;
  max-width: 720px;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  color: var(--faint);
  line-height: 1.75;
}

/* ---------- sections ---------- */
.section {
  max-width: 1120px;
  margin: 0 auto;
  padding: 9rem 1.5rem;
  border-top: 1px solid var(--line);
}
.eyebrow {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
}
.section-title {
  margin-top: 0.9rem;
  font-size: clamp(2rem, 4.6vw, 3.4rem);
  font-weight: 600;
  letter-spacing: -0.035em;
  line-height: 1.06;
}
.section-lede {
  margin-top: 1.4rem;
  max-width: 700px;
  color: var(--muted);
  font-size: 1.02rem;
}
.section-lede em { color: var(--text); font-style: normal; }

/* ---------- lightbar stage ---------- */
.lb-stage {
  margin-top: 4rem;
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
  gap: 3.5rem;
  align-items: center;
}
.ds-svg { width: 100%; height: auto; display: block; }

.lb-strip {
  stroke: var(--lb);
  transition: stroke 300ms ease-in-out;
}
.lightbar { transition: opacity 300ms ease-in-out; }
.lightbar.pulsing { animation: lb-pulse 500ms ease-in-out infinite; }
@keyframes lb-pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.45; } }
.lightbar.off { opacity: 0.06; }
@media (prefers-reduced-motion: reduce) {
  .lightbar.pulsing { animation: none; }
}

.mute-led { fill: #f5a623; opacity: 0.9; }

.shell-etch {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  fill: var(--muted);
}
.etch-state { fill: var(--text); }

.lb-chips { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.demo-label {
  margin-bottom: 0.8rem;
  color: var(--text);
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  min-height: 44px;
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--muted);
  background: none;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.5rem 1rem;
  cursor: pointer;
  transition: color 200ms ease, border-color 200ms ease, background 200ms ease;
}
.chip i {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--c, #3a3a3f);
  box-shadow: 0 0 8px var(--c, transparent);
  transition: background 300ms ease-in-out, box-shadow 300ms ease-in-out;
}
.chip:hover { color: var(--text); border-color: rgba(255,255,255,0.22); }
.chip.is-on { color: var(--text); border-color: var(--c, var(--line)); background: rgba(255,255,255,0.03); }

.lb-slots { display: flex; gap: 0.5rem; margin-top: 1.8rem; }
.slot {
  width: 44px; height: 44px;
  display: grid; place-items: center;
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--faint);
  border: 1px solid var(--line);
  border-radius: 7px;
  transition: border-color 300ms ease-in-out, color 300ms ease-in-out, box-shadow 300ms ease-in-out;
}
.slot.is-sel {
  color: var(--text);
  border-color: var(--lb);
  box-shadow: 0 0 0 1px var(--lb), 0 0 14px var(--lb-glow, transparent);
  transition: border-color 300ms ease-in-out, color 300ms ease-in-out, box-shadow 300ms ease-in-out;
}
.lb-policy {
  margin-top: 0.7rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--faint);
}
.lb-policy b { color: var(--muted); font-weight: 500; }
.lb-note {
  margin-top: 1.8rem;
  max-width: 380px;
  font-size: 0.85rem;
  color: var(--faint);
  line-height: 1.7;
}
.lb-note em { color: var(--muted); font-style: normal; }

/* ---------- numbered features ---------- */
.feats { margin-top: 4.5rem; }
.feat {
  display: grid;
  grid-template-columns: 110px minmax(0, 1fr) 96px;
  gap: 2rem;
  align-items: start;
  padding: 2.6rem 0;
  border-top: 1px solid var(--line);
}
.feat:last-child { border-bottom: 1px solid var(--line); }
.feat-num {
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--accent);
  letter-spacing: 0.08em;
  padding-top: 0.3rem;
}
.feat-body h3 {
  font-size: 1.3rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}
.feat-body p { margin-top: 0.7rem; color: var(--muted); max-width: 640px; }
.feat-glyph { width: 72px; height: 72px; color: #3a3b44; justify-self: end; }

/* ---------- device shot + engravings ---------- */
.device { padding: 0 1.5rem 9rem; }
.device-frame {
  position: relative;
  max-width: 1360px;
  margin: 0 auto;
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid var(--vibe-edge);
  box-shadow:
    0 0 40px var(--vibe-soft),
    0 28px 70px rgba(0, 0, 0, 0.55);
}
.device-art {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 5 / 2;
  object-fit: cover;
  object-position: center 38%;
}
.device-frame--badge {
  max-width: 720px;
  border-color: var(--line);
  box-shadow: 0 28px 70px rgba(0, 0, 0, 0.55);
}
.device-art--badge {
  aspect-ratio: 16 / 9;
  object-fit: contain;
  object-position: center;
  background: #050506;
  padding: 1.5rem;
}
.etch {
  position: absolute;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgba(244, 244, 242, 0.92);
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.9);
  white-space: nowrap;
}
.etch-left  { left: 1.1rem; top: 50%; transform: translateY(-50%) rotate(180deg); writing-mode: vertical-rl; }
.etch-right { right: 1.1rem; top: 50%; transform: translateY(-50%); writing-mode: vertical-rl; }
.etch-bottom { left: 50%; bottom: 0.9rem; transform: translateX(-50%); }

/* ---------- specs ---------- */
.spec-rows { margin-top: 3.5rem; }
.spec-row {
  display: grid;
  grid-template-columns: minmax(8.5rem, 12.5rem) minmax(0, 1fr);
  gap: 2rem;
  padding: 1.35rem 0;
  border-top: 1px solid var(--line);
}
.spec-row:last-child { border-bottom: 1px solid var(--line); }
.spec-row dt {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--faint);
  padding-top: 0.25rem;
}
.spec-row dd { color: var(--muted); font-size: 0.97rem; }
.spec-row dd code {
  font-family: var(--mono);
  font-size: 0.82em;
  color: var(--text);
  background: rgba(255,255,255,0.05);
  border-radius: 5px;
  padding: 0.1em 0.4em;
}

.map { margin-top: 4rem; }
.map-title {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--faint);
  margin: 2.2rem 0 1rem;
}
.map-title:first-child { margin-top: 0; }
.map-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0; 
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}
.map-grid span {
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 0.9rem 1.1rem;
  font-size: 0.85rem;
  color: var(--muted);
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}
.map-grid b {
  font-family: var(--mono);
  font-weight: 500;
  font-size: 0.78rem;
  color: var(--text);
  letter-spacing: 0.04em;
}

/* ---------- footer ---------- */
.footer {
  border-top: 1px solid var(--line);
  padding: 5rem 1.5rem 3rem;
  text-align: center;
  overflow: hidden;
}
.footer-mark {
  font-family: var(--mono);
  font-weight: 700;
  font-size: clamp(3rem, 9vw, 8rem);
  line-height: 0.95;
  letter-spacing: -0.04em;
  color: transparent;
  -webkit-text-stroke: 1px rgba(255, 255, 255, 0.14);
  user-select: none;
  margin-bottom: 2.25rem;
}
.footer-line { color: var(--muted); font-size: 0.9rem; max-width: 560px; margin: 0 auto; }
.footer-line a { color: var(--text); text-decoration: none; border-bottom: 1px solid var(--line); }
.footer-links {
  margin-top: 1.4rem;
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--faint);
}
.footer-links a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 0.2rem;
  color: var(--muted);
  text-decoration: none;
}
.footer-links a:hover { color: var(--text); }

/* ---------- responsive ---------- */
@media (max-width: 900px) {
  .lb-stage { grid-template-columns: 1fr; gap: 2.2rem; }
  .lb-note { max-width: none; }
  .feat { grid-template-columns: 64px minmax(0, 1fr); }
  .feat-glyph { display: none; }
  .map-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .nav-tag { display: none; }
}
@media (max-width: 620px) {
  .section { padding: 5.5rem 1.25rem; }
  .spec-row { grid-template-columns: 1fr; gap: 0.4rem; }
  .map-grid { grid-template-columns: 1fr; }
  .nav { padding-inline: 1rem; gap: 0.55rem 1rem; flex-wrap: wrap; }
  .nav-links { order: 2; width: 100%; gap: 0.5rem; margin-left: 0; justify-content: space-between; flex-wrap: wrap; }
  .nav-links a { font-size: 0.7rem; }
  .nav-links a.nav-ext { display: none; }
  .etch-left, .etch-right { display: none; }
  .hero-sub { font-size: 0.68rem; }
  .hero-art { width: min(200px, 56vw); }
  .vibe-card { width: 100%; border-radius: 14px; }
  .btn-tertiary { width: 100%; }
}

@media (max-width: 390px) {
  .nav-links a { font-size: 0.68rem; letter-spacing: 0.07em; }
  .hero { padding: 8.5rem 1rem 4rem; }
  .feat { grid-template-columns: 1fr; gap: 0.5rem; }
  .feat-num { padding-top: 0; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}