/* GPT-6 SOL — pre-launch single page */

:root {
  --void: #07060b;
  --space: #100d18;
  --ink: #161222;
  --cream: #fff4e4;
  --cream-dim: #e4d3c0;
  --muted: #cbbba8;
  --solar: #ff7a1a;
  --solar-hot: #ff3d14;
  --gold: #ffc14a;
  --amber: #ffb020;
  --sol-purple: #9945ff;
  --sol-green: #14f195;
  --line: rgba(255, 168, 74, 0.28);
  --font: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --display: Bahnschrift, "Segoe UI Variable Display", "Trebuchet MS", "Segoe UI", sans-serif;
  --mono: "Cascadia Mono", "Cascadia Code", Consolas, ui-monospace, monospace;
  --header: 5.25rem;
  --wrap: 1120px;
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header);
  color-scheme: dark;
}

body {
  margin: 0;
  min-height: 100%;
  font-family: var(--font);
  font-size: 1.05rem;
  line-height: 1.6;
  color: var(--cream);
  background:
    radial-gradient(1200px 700px at 80% -10%, rgba(255, 90, 20, 0.16), transparent 55%),
    radial-gradient(900px 600px at -10% 20%, rgba(153, 69, 255, 0.12), transparent 50%),
    var(--void);
}

img,
iframe {
  max-width: 100%;
}

img {
  height: auto;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

::selection {
  background: #ffb03a;
  color: #1a0903;
}

:focus {
  outline: none;
}

:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}

.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 {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 80;
  background: var(--gold);
  color: #1a0903;
  font-weight: 700;
  text-decoration: none;
  padding: 0.65rem 1rem;
  border-radius: 8px;
}

.skip:focus {
  top: 0.75rem;
}

.wrap {
  width: min(var(--wrap), calc(100% - 2rem));
  margin-inline: auto;
}

.cursor-glow,
.stars,
.space-grid {
  position: fixed;
  inset: 0;
  pointer-events: none;
}

.cursor-glow {
  display: none;
  z-index: 1;
  background: radial-gradient(
    340px circle at var(--gx, 72%) var(--gy, 18%),
    rgba(255, 150, 40, 0.16),
    rgba(255, 60, 16, 0.05) 42%,
    transparent 70%
  );
}

.allow-glow .cursor-glow {
  display: block;
}

.stars {
  z-index: 0;
  background-image:
    radial-gradient(1.4px 1.4px at 8% 18%, rgba(255, 244, 228, 0.85) 50%, transparent 52%),
    radial-gradient(1px 1px at 18% 72%, rgba(255, 196, 120, 0.7) 50%, transparent 52%),
    radial-gradient(1.2px 1.2px at 28% 34%, rgba(255, 255, 255, 0.75) 50%, transparent 52%),
    radial-gradient(1px 1px at 42% 12%, rgba(255, 220, 170, 0.65) 50%, transparent 52%),
    radial-gradient(1.5px 1.5px at 56% 64%, rgba(255, 244, 228, 0.8) 50%, transparent 52%),
    radial-gradient(1px 1px at 67% 22%, rgba(20, 241, 149, 0.45) 50%, transparent 52%),
    radial-gradient(1.2px 1.2px at 78% 48%, rgba(255, 244, 228, 0.7) 50%, transparent 52%),
    radial-gradient(1px 1px at 88% 16%, rgba(153, 69, 255, 0.55) 50%, transparent 52%),
    radial-gradient(1.3px 1.3px at 92% 78%, rgba(255, 196, 90, 0.75) 50%, transparent 52%),
    radial-gradient(1px 1px at 14% 90%, rgba(255, 255, 255, 0.55) 50%, transparent 52%),
    radial-gradient(1px 1px at 48% 88%, rgba(255, 180, 90, 0.5) 50%, transparent 52%),
    radial-gradient(1.2px 1.2px at 73% 90%, rgba(255, 244, 228, 0.6) 50%, transparent 52%);
  animation: twinkle 7s ease-in-out infinite;
}

.space-grid {
  z-index: 0;
  background-image:
    linear-gradient(rgba(255, 160, 70, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 160, 70, 0.045) 1px, transparent 1px);
  background-size: 84px 84px;
  mask-image: radial-gradient(ellipse at 50% 30%, #000 15%, transparent 72%);
}

.site-header,
main,
.site-footer {
  position: relative;
  z-index: 2;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(7, 6, 11, 0.78);
  border-bottom: 1px solid transparent;
  backdrop-filter: blur(16px);
}

.site-header.is-scrolled {
  border-bottom-color: var(--line);
  background: rgba(7, 6, 11, 0.92);
}

.header-inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  grid-template-areas: "brand nav actions";
  align-items: center;
  gap: 1rem;
  min-height: var(--header);
}

.brand {
  grid-area: brand;
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--cream);
  text-decoration: none;
  min-width: 0;
}

.brand img {
  width: 48px;
  height: 48px;
  object-fit: contain;
  mix-blend-mode: screen;
  flex: none;
}

.brand-name {
  font-family: var(--display);
  font-weight: 700;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.site-nav {
  grid-area: nav;
  display: flex;
  justify-content: center;
  gap: 1.4rem;
}

.site-nav a {
  color: var(--cream-dim);
  text-decoration: none;
  font-size: 0.98rem;
  font-weight: 650;
  letter-spacing: 0.03em;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--gold);
}

.nav-x {
  display: none;
}

.header-actions {
  grid-area: actions;
  display: flex;
  align-items: center;
  gap: 0.55rem;
}

.nav-toggle {
  display: none;
  grid-area: toggle;
  width: 44px;
  height: 44px;
  padding: 0;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(255, 140, 40, 0.06);
  color: var(--cream);
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--cream);
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.site-header.is-open .nav-toggle span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.site-header.is-open .nav-toggle span:nth-child(2) {
  opacity: 0;
}

.site-header.is-open .nav-toggle span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.status {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  margin: 0;
  padding: 0.35rem 0.7rem;
  border: 1px solid rgba(255, 176, 32, 0.55);
  border-radius: 999px;
  background: rgba(255, 140, 20, 0.1);
  color: var(--gold);
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  line-height: 1;
  white-space: nowrap;
}

.status-lg {
  padding: 0.5rem 0.85rem;
  font-size: 0.78rem;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--amber);
  box-shadow: 0 0 0 0 rgba(255, 176, 32, 0.65);
  animation: pulse 2.2s ease-out infinite;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0.7rem 1.05rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-family: var(--display);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-decoration: none;
  line-height: 1;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.btn-lg {
  min-height: 52px;
  padding: 0.9rem 1.35rem;
  font-size: 1rem;
}

.btn-solar {
  color: #2a0d04;
  background: linear-gradient(180deg, #ffe08a 0%, #ff9a2e 42%, #ff5414 100%);
  box-shadow: 0 0 0 1px rgba(255, 210, 120, 0.35), 0 10px 28px rgba(255, 80, 20, 0.28);
}

.btn-solar:hover,
.btn-solar:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 0 0 1px rgba(255, 230, 170, 0.7), 0 14px 34px rgba(255, 100, 20, 0.42);
}

.btn-solar:active,
.btn-line:active {
  transform: translateY(0);
}

.btn-line {
  color: var(--cream);
  background: rgba(8, 6, 14, 0.35);
  border-color: rgba(255, 186, 110, 0.45);
}

.btn-line:hover,
.btn-line:focus-visible {
  transform: translateY(-2px);
  border-color: var(--gold);
  background:
    linear-gradient(var(--void), var(--void)) padding-box,
    linear-gradient(120deg, var(--solar), var(--sol-purple), var(--sol-green)) border-box;
  border-color: transparent;
  box-shadow: 0 10px 28px rgba(153, 69, 255, 0.16);
}

.hero {
  padding: 1.5rem 0 3.5rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(280px, 0.95fr);
  gap: 2rem 2.5rem;
  align-items: center;
}

.hero-grid > *,
.model-grid > *,
.chart-shell,
.ca-inner {
  min-width: 0;
}

.hero-copy h1 {
  margin: 0.8rem 0 0.9rem;
  font-family: var(--display);
  font-weight: 700;
  letter-spacing: -0.045em;
  line-height: 0.86;
}

.h1-line,
.h1-sol {
  display: block;
}

.h1-line {
  font-size: clamp(3rem, 7vw, 5.6rem);
  color: var(--cream);
}

.h1-sol {
  font-size: clamp(4.6rem, 13vw, 9rem);
  color: #ff9a2e;
  background: linear-gradient(185deg, #fff8e4 8%, #ffd15a 32%, #ff7a18 70%, #ff3418 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hook {
  margin: 0 0 1rem;
  font-family: var(--mono);
  font-size: clamp(0.78rem, 1.5vw, 0.95rem);
  letter-spacing: 0.08em;
  line-height: 1.55;
  color: var(--gold);
}

.hook span {
  display: block;
  overflow-wrap: anywhere;
}

.hook span:last-child::after {
  content: "";
  display: inline-block;
  width: 0.55em;
  height: 0.95em;
  margin-left: 0.35em;
  background: var(--solar);
  vertical-align: text-bottom;
  animation: blink 1.15s steps(1) infinite;
}

.lede,
.fine,
.prose p,
.lane-note,
.unofficial p,
.chart-intro p,
.disclaimer {
  color: var(--cream-dim);
  overflow-wrap: break-word;
}

.lede {
  margin: 0 0 0.75rem;
  max-width: 38rem;
  font-size: 1.12rem;
}

.fine {
  margin: 0 0 1.4rem;
  max-width: 38rem;
  font-size: 0.98rem;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin: 1.15rem 0 0;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
}

.hero-stage {
  position: relative;
  min-height: 560px;
  display: grid;
  place-items: center;
}

.sun,
.finale-sun {
  position: absolute;
  border-radius: 50%;
  background:
    radial-gradient(circle at 50% 45%, rgba(255, 236, 180, 0.95), rgba(255, 160, 40, 0.55) 28%, rgba(255, 60, 16, 0.18) 52%, transparent 70%);
  filter: blur(2px);
  animation: sun-pulse 6.5s ease-in-out infinite;
}

.sun {
  width: min(78%, 420px);
  aspect-ratio: 1;
  left: 50%;
  top: 52%;
  translate: -50% -50%;
  background: radial-gradient(circle, rgba(255, 170, 50, 0.55), rgba(255, 70, 16, 0.22) 42%, transparent 70%);
}

.orbit,
.finale-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px dashed rgba(153, 69, 255, 0.45);
  box-shadow: inset 0 0 0 1px rgba(20, 241, 149, 0.08), 0 0 40px rgba(153, 69, 255, 0.08);
  animation: spin 46s linear infinite;
}

.orbit {
  width: min(92%, 520px);
  aspect-ratio: 1;
  left: 50%;
  top: 50%;
  translate: -50% -50%;
}

.hero-float {
  position: relative;
  z-index: 1;
  width: min(100%, 440px);
}

.hero-float img {
  display: block;
  width: 100%;
  height: auto;
  mix-blend-mode: screen;
  animation: float 5.6s ease-in-out infinite;
  user-select: none;
}

.sparks {
  position: absolute;
  inset: 8% 6%;
  z-index: 2;
  pointer-events: none;
}

.sparks span {
  position: absolute;
  width: 10px;
  height: 10px;
  background:
    linear-gradient(var(--gold), var(--gold)) center / 10px 2px no-repeat,
    linear-gradient(var(--gold), var(--gold)) center / 2px 10px no-repeat;
  filter: drop-shadow(0 0 6px rgba(255, 120, 30, 0.9));
  animation: spark 3.6s ease-in-out infinite;
}

.sparks span:nth-child(1) { top: 8%; left: 12%; }
.sparks span:nth-child(2) { top: 18%; right: 10%; animation-delay: 0.4s; }
.sparks span:nth-child(3) { top: 46%; left: 4%; animation-delay: 0.8s; }
.sparks span:nth-child(4) { bottom: 18%; right: 8%; animation-delay: 1.1s; }
.sparks span:nth-child(5) { bottom: 8%; left: 22%; animation-delay: 1.5s; }
.sparks span:nth-child(6) { top: 62%; right: 18%; animation-delay: 1.9s; width: 7px; height: 7px; }

.ca-bar {
  padding: 0 0 1rem;
}

.ca-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.15rem;
  background:
    linear-gradient(90deg, rgba(255, 122, 26, 0.16), transparent 18%),
    rgba(12, 10, 18, 0.88);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  position: relative;
}

.ca-inner::before,
.ca-inner::after,
.spec-panel::before,
.lane-panel::before,
.boot::before,
.chart-window::before {
  content: "";
  position: absolute;
  width: 12px;
  height: 12px;
  border: 2px solid var(--solar);
  pointer-events: none;
}

.ca-inner::before,
.spec-panel::before,
.lane-panel::before,
.boot::before,
.chart-window::before {
  top: -1px;
  left: -1px;
  border-right: 0;
  border-bottom: 0;
}

.ca-inner::after {
  right: -1px;
  bottom: -1px;
  border-left: 0;
  border-top: 0;
  border-color: var(--sol-green);
}

.ca-copy h2,
.kicker,
.spec-kicker {
  margin: 0;
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  color: var(--amber);
}

.spec-kicker,
.ca-copy h2 {
  text-transform: uppercase;
}

.ca-value {
  margin: 0.25rem 0 0;
}

.ca-value code {
  font-family: var(--mono);
  font-size: clamp(1.35rem, 3vw, 1.8rem);
  color: var(--cream);
  letter-spacing: 0.08em;
  user-select: all;
}

.ca-action {
  display: flex;
  align-items: center;
}

#copy-ca {
  min-width: 8.5rem;
}

.narrative,
.model,
.chart {
  padding: clamp(3.5rem, 8vw, 6.5rem) 0;
}

.kicker {
  margin-bottom: 0.8rem;
}

.story {
  margin: 0;
  max-width: 18em;
  font-family: var(--display);
  font-size: clamp(2rem, 4.6vw, 3.35rem);
  font-weight: 650;
  letter-spacing: -0.04em;
  line-height: 1.12;
}

.story span {
  display: block;
}

.story span:last-child {
  color: var(--gold);
}

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin: 2rem 0 1.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid transparent;
  border-image: linear-gradient(90deg, var(--solar), var(--sol-purple), var(--sol-green)) 1;
}

.split p {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(1.5rem, 3vw, 2.3rem);
  letter-spacing: -0.03em;
  line-height: 1.15;
}

.split p:first-child {
  color: #ffb15a;
}

.split p:last-child {
  color: #7dffa9;
  text-align: right;
}

@supports ((-webkit-background-clip: text) or (background-clip: text)) {
  .split p:last-child {
    background: linear-gradient(90deg, #d2a6ff, #14f195);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
  }
}

.pull {
  margin: 0 0 1.5rem;
  padding: 0.2rem 0 0.2rem 1rem;
  border-left: 3px solid var(--solar);
}

.pull p {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(1.25rem, 2.4vw, 1.7rem);
  line-height: 1.35;
  color: var(--cream);
}

.prose {
  max-width: 40rem;
}

.prose p {
  margin: 0 0 0.8rem;
}

.banner-frame {
  margin: 2.2rem 0 0;
}

.banner-frame img {
  display: block;
  width: 100%;
  height: auto;
  box-shadow: 0 30px 80px rgba(255, 80, 20, 0.14);
}

.model {
  position: relative;
}

.model-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.85fr);
  gap: 1.25rem;
  align-items: stretch;
}

.spec-panel,
.lane-panel,
.boot,
.unofficial,
.chart-window {
  position: relative;
  background:
    linear-gradient(180deg, rgba(255, 120, 30, 0.05), transparent 28%),
    rgba(10, 8, 16, 0.82);
  border: 1px solid var(--line);
}

.spec-panel,
.lane-panel,
.boot {
  padding: 1.25rem;
}

.spec-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1rem;
  margin-bottom: 1.1rem;
}

.spec-head h2,
.lane-panel h3,
.chart-intro h2,
.finale h2 {
  font-family: var(--display);
  letter-spacing: -0.04em;
  line-height: 0.95;
}

.spec-head h2 {
  margin: 0;
  flex: 1 1 auto;
  font-size: clamp(2rem, 4vw, 3rem);
}

.spec-list {
  margin: 0 0 1.2rem;
}

.spec-list div {
  display: grid;
  grid-template-columns: 7.5rem 1fr;
  gap: 0.75rem;
  padding: 0.7rem 0;
  border-top: 1px solid rgba(255, 180, 100, 0.14);
}

.spec-list dt {
  margin: 0;
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.spec-list dd {
  margin: 0;
  font-size: 1.05rem;
}

.spec-label {
  margin: 0 0 0.55rem;
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--amber);
}

.tags {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 0;
  padding: 0;
  list-style: none;
  border: 1px solid rgba(255, 150, 60, 0.35);
}

.tags li {
  padding: 0.95rem 0.35rem;
  text-align: center;
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  border-right: 1px solid rgba(255, 150, 60, 0.25);
}

.tags li:last-child {
  border-right: 0;
}

.tags li:nth-child(2) {
  color: var(--gold);
}

.tags li:nth-child(3) {
  color: #b388ff;
}

.tags li:nth-child(4) {
  color: #ff8a3d;
}

.model-side {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.lane-panel h3 {
  margin: 0.35rem 0 1rem;
  font-size: clamp(1.6rem, 3vw, 2.1rem);
}

.lanes {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.55rem;
}

.lanes li {
  display: grid;
  grid-template-columns: 5.5rem auto 1fr;
  gap: 0.75rem;
  align-items: center;
  padding: 0.75rem 0.8rem;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 180, 100, 0.12);
  font-family: var(--mono);
}

.lane-arrow {
  color: var(--muted);
}

.lane-hot {
  border-color: rgba(255, 122, 26, 0.7);
  background: linear-gradient(90deg, rgba(255, 90, 20, 0.18), rgba(153, 69, 255, 0.08));
  color: var(--gold);
}

.lane-note {
  margin: 0.9rem 0 0;
  font-size: 0.95rem;
}

.boot-screen {
  margin-top: 0.8rem;
  padding: 0.9rem 0.85rem;
  background: #09070f;
  border: 1px solid rgba(255, 150, 60, 0.16);
  font-family: var(--mono);
  font-size: 0.92rem;
  line-height: 1.7;
  min-height: 11.5rem;
}

.boot-line {
  margin: 0;
}

.boot-line::before {
  content: "> ";
  color: var(--solar);
}

.js .reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.js .reveal.is-in,
.js .reveal:focus-within {
  opacity: 1;
  transform: none;
}

.js .boot-line {
  opacity: 0;
}

.js .boot.is-booting .boot-line {
  animation: boot-in 0.45s ease forwards;
}

.js .boot.is-booting .boot-line:nth-child(1) { animation-delay: 0.1s; }
.js .boot.is-booting .boot-line:nth-child(2) { animation-delay: 0.55s; }
.js .boot.is-booting .boot-line:nth-child(3) { animation-delay: 1s; }
.js .boot.is-booting .boot-line:nth-child(4) { animation-delay: 1.45s; }
.js .boot.is-booting .boot-line:nth-child(5) { animation-delay: 1.9s; }

.caret {
  display: inline-block;
  width: 0.5em;
  height: 0.95em;
  margin-left: 0.3em;
  background: var(--solar);
  vertical-align: text-bottom;
  animation: blink 1.1s steps(1) infinite;
}

.unofficial {
  margin-top: 1.25rem;
  padding: 1rem 1.15rem;
  border-left: 3px solid;
  border-image: linear-gradient(180deg, var(--solar), var(--sol-purple)) 1;
}

.unofficial p {
  margin: 0;
}

.sparks-model {
  inset: auto 4% 8% auto;
  width: 140px;
  height: 120px;
}

.chart-intro {
  display: flex;
  justify-content: space-between;
  gap: 1.5rem;
  align-items: end;
  margin-bottom: 1.25rem;
}

.chart-intro h2 {
  margin: 0;
  font-size: clamp(2.2rem, 5vw, 3.8rem);
}

.chart-intro p {
  margin: 0;
  max-width: 26rem;
}

.chart-shell {
  padding: 1px;
  background: linear-gradient(120deg, #ff8a1a, #9945ff, #14f195, #ffb020);
  background-size: 220% 220%;
  animation: gradient-shift 10s linear infinite;
}

.chart-chrome,
.chart-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.8rem 0.9rem;
}

.chart-chrome {
  border-bottom: 1px solid rgba(255, 170, 80, 0.16);
}

.window-dots {
  display: inline-flex;
  gap: 0.35rem;
  flex: none;
}

.window-dots i {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #ff5a2a;
  display: block;
}

.window-dots i:nth-child(2) { background: var(--gold); }
.window-dots i:nth-child(3) { background: var(--sol-green); }

.chart-url {
  min-width: 0;
  overflow-wrap: anywhere;
  color: var(--cream-dim);
  font-family: var(--mono);
  font-size: 0.82rem;
  text-decoration: none;
}

.chart-url:hover,
.chart-url:focus-visible {
  color: var(--gold);
}

.chart-frame {
  background:
    linear-gradient(rgba(255, 140, 40, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 140, 40, 0.05) 1px, transparent 1px),
    #0b0912;
  background-size: 28px 28px, 28px 28px, auto;
}

.chart-frame iframe {
  display: block;
  width: 100%;
  height: clamp(420px, 62vw, 640px);
  border: 0;
  background: #0b0912;
}

.chart-foot {
  border-top: 1px solid rgba(255, 170, 80, 0.16);
}

.chart-foot p {
  margin: 0;
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--muted);
  letter-spacing: 0.04em;
}

.finale {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(4.5rem, 10vw, 8rem) 0;
  text-align: center;
}

.finale-sun {
  width: min(720px, 92vw);
  aspect-ratio: 1;
  left: 50%;
  top: 42%;
  translate: -50% -50%;
  animation: sun-pulse 7s ease-in-out infinite;
}

.finale-ring {
  width: min(560px, 86vw);
  aspect-ratio: 1;
  left: 50%;
  top: 46%;
  translate: -50% -50%;
}

.finale-inner {
  position: relative;
  z-index: 1;
}

.finale .kicker {
  justify-content: center;
}

.finale h2 {
  margin: 0 0 1.5rem;
  font-size: clamp(2.6rem, 8vw, 6.2rem);
}

.finale h2 span {
  display: block;
}

.finale h2 span:last-child {
  background: linear-gradient(90deg, #fff1c9, #ffb03a 40%, #ff4d1a);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.finale .cta-row {
  justify-content: center;
}

.sparks-finale {
  inset: 18% 12%;
}

.site-footer {
  padding: 2rem 0 2.6rem;
  border-top: 1px solid rgba(255, 160, 70, 0.16);
  background: rgba(5, 4, 10, 0.72);
}

.footer-brand {
  margin: 0 0 0.8rem;
  font-family: var(--display);
  letter-spacing: 0.04em;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem 1.2rem;
  margin: 0 0 1rem;
  padding: 0;
  list-style: none;
}

.footer-links a {
  color: var(--gold);
  text-decoration: none;
  font-weight: 700;
}

.footer-links a:hover,
.footer-links a:focus-visible {
  color: var(--cream);
}

.disclaimer {
  margin: 0;
  max-width: 46rem;
  font-size: 0.95rem;
}

.js .reveal:nth-child(2) { transition-delay: 0.05s; }

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-14px); }
}

@keyframes spark {
  0%, 100% { opacity: 0.25; transform: translateY(0); }
  50% { opacity: 1; transform: translateY(-8px); }
}

@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(255, 176, 32, 0.55); }
  100% { box-shadow: 0 0 0 10px rgba(255, 176, 32, 0); }
}

@keyframes blink {
  0%, 45% { opacity: 1; }
  50%, 100% { opacity: 0; }
}

@keyframes sun-pulse {
  0%, 100% { opacity: 0.88; }
  50% { opacity: 1; }
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

@keyframes gradient-shift {
  0% { background-position: 0% 50%; }
  100% { background-position: 200% 50%; }
}

@keyframes boot-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: none; }
}

@keyframes twinkle {
  0%, 100% { opacity: 0.72; }
  50% { opacity: 1; }
}

@media (max-width: 1080px) {
  .header-inner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.7rem;
    padding: 0.75rem 0;
  }

  .brand {
    flex: 1 1 auto;
    min-width: 0;
  }

  .nav-toggle {
    display: inline-flex;
    flex: 0 0 44px;
    margin-left: auto;
    border-color: rgba(255, 196, 120, 0.75);
    background: rgba(255, 122, 26, 0.16);
  }

  .btn-chart,
  .btn-x {
    display: none;
  }

  .site-nav {
    display: none;
    flex: 1 0 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 0.25rem;
    padding: 0.35rem 0 0.6rem;
  }

  .site-header.is-open .site-nav {
    display: flex;
  }

  .site-nav a {
    padding: 0.85rem 0.2rem;
    font-size: 1.05rem;
    border-top: 1px solid rgba(255, 170, 80, 0.14);
  }

  .nav-x {
    display: block;
  }

  .header-actions {
    flex: 1 0 100%;
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    gap: 0.6rem;
  }

  .btn-buy {
    width: 100%;
  }

  .hero-grid,
  .model-grid,
  .chart-intro,
  .split {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 1.25rem;
  }

  .hero-stage {
    min-height: 0;
    margin-top: 0.5rem;
  }

  .hero-float {
    width: min(100%, 380px);
  }

  .split p:last-child {
    text-align: left;
  }

  .chart-intro {
    align-items: start;
  }
}

@media (max-width: 640px) {
  body {
    font-size: 1rem;
  }

  .wrap {
    width: min(var(--wrap), calc(100% - 1.5rem));
  }

  .brand img {
    width: 40px;
    height: 40px;
  }

  .brand-name {
    font-size: 0.95rem;
  }

  .h1-line {
    font-size: clamp(2.7rem, 16vw, 3.4rem);
  }

  .h1-sol {
    font-size: clamp(4.1rem, 24vw, 5.4rem);
  }

  .story {
    max-width: none;
  }

  .ca-inner,
  .chart-chrome,
  .chart-foot {
    flex-direction: column;
    align-items: stretch;
  }

  .chart-chrome .status,
  .ca-action .btn,
  .chart-foot .btn,
  .cta-row .btn {
    width: 100%;
  }

  .tags {
    grid-template-columns: 1fr 1fr;
  }

  .tags li:nth-child(1),
  .tags li:nth-child(2) {
    border-bottom: 1px solid rgba(255, 150, 60, 0.25);
  }

  .tags li:nth-child(odd) {
    border-right: 1px solid rgba(255, 150, 60, 0.25);
  }

  .tags li:nth-child(2),
  .tags li:nth-child(4) {
    border-right: 0;
  }

  .spec-list div {
    grid-template-columns: 1fr;
    gap: 0.15rem;
  }

  .chart-frame iframe {
    height: 480px;
  }

  .boot-screen {
    min-height: 0;
    font-size: 0.84rem;
  }
}

@media (hover: none), (pointer: coarse) {
  .cursor-glow {
    display: none !important;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .stars,
  .status-dot,
  .hero-float img,
  .sun,
  .finale-sun,
  .orbit,
  .finale-ring,
  .sparks span,
  .hook span:last-child::after,
  .caret,
  .chart-shell,
  .nav-toggle span {
    animation: none !important;
  }

  .btn,
  .js .reveal,
  .nav-toggle span {
    transition: none !important;
  }

  .js .reveal,
  .js .boot-line {
    opacity: 1 !important;
    transform: none !important;
    animation: none !important;
  }

}