/* ==========================================================================
   ORV / ORION — orvtokens.site
   An AI-native editorial identity: near-black, aurora gradients, mono indices.
   Layout: sticky progress rail, numbered scenario cards, marquee band.
   ========================================================================== */

/* ---------- Tokens ---------- */
:root {
  --night: #07070c;
  --night-2: #0b0b14;
  --panel: rgba(255, 255, 255, 0.045);
  --panel-strong: rgba(255, 255, 255, 0.07);
  --ink: #f3f4ff;
  --muted: rgba(243, 244, 255, 0.66);
  --faint: rgba(243, 244, 255, 0.58);
  --line: rgba(243, 244, 255, 0.13);
  --line-soft: rgba(243, 244, 255, 0.07);
  --pink: #ff5ea8;
  --blue: #5b8cff;
  --teal: #35e0c8;

  --font-display: "Outfit", "Segoe UI", Arial, sans-serif;
  --font-body: "Inter", -apple-system, "Segoe UI", Arial, sans-serif;
  --font-mono: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;

  --wrap: 1200px;
  --radius: 3px;
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--night);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

a {
  color: var(--ink);
  text-decoration-color: rgba(53, 224, 200, 0.55);
  text-underline-offset: 3px;
}
a:hover { color: var(--teal); }

:focus-visible {
  outline: 2px solid var(--pink);
  outline-offset: 4px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--teal);
  color: var(--night);
  padding: 12px 20px;
  font-family: var(--font-mono);
  font-size: 13px;
  z-index: 100;
}
.skip-link:focus { left: 12px; top: 12px; }

/* ---------- Layout ---------- */
.wrap {
  width: min(100% - 48px, var(--wrap));
  margin-inline: auto;
}

.shell {
  display: grid;
  grid-template-columns: 210px minmax(0, 1fr);
  gap: 0;
  width: min(100% - 48px, var(--wrap));
  margin-inline: auto;
}
.shell__main { min-width: 0; padding-left: 46px; border-left: 1px solid var(--line-soft); }
.shell--full { display: block; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(7, 7, 12, 0.86);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line-soft);
}
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  min-height: 72px;
  flex-wrap: wrap;
  padding-block: 10px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 600;
  letter-spacing: -0.01em;
}
.brand:hover { color: var(--ink); }
.brand__orb {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: conic-gradient(from 210deg, var(--pink), var(--blue), var(--teal), var(--pink));
  box-shadow: 0 0 18px rgba(91, 140, 255, 0.55);
  flex: none;
}
.brand__slash {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--faint);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 400;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 3px 22px;
  font-size: 13px;
  color: var(--muted);
}
.nav a {
  color: var(--muted);
  text-decoration: none;
  padding: 6px 0;
  border-bottom: 1px solid transparent;
}
.nav a:hover { color: var(--ink); border-bottom-color: var(--teal); }
.nav a[aria-current="page"] { color: var(--ink); border-bottom-color: var(--pink); }

/* ---------- Aurora hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line-soft);
  isolation: isolate;
}
.hero__mesh {
  position: absolute;
  inset: -25%;
  z-index: -2;
  background:
    radial-gradient(42% 44% at 22% 30%, rgba(255, 94, 168, 0.42), transparent 62%),
    radial-gradient(40% 52% at 78% 18%, rgba(91, 140, 255, 0.40), transparent 66%),
    radial-gradient(48% 48% at 64% 82%, rgba(53, 224, 200, 0.26), transparent 62%),
    radial-gradient(30% 30% at 40% 70%, rgba(255, 94, 168, 0.16), transparent 70%);
  filter: blur(46px) saturate(1.05);
  animation: aurora-drift 26s ease-in-out infinite alternate;
  pointer-events: none;
}
.hero__grid {
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(243, 244, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(243, 244, 255, 0.035) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.8), transparent 88%);
  -webkit-mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.8), transparent 88%);
  pointer-events: none;
}
@keyframes aurora-drift {
  0% { transform: translate3d(-3%, -2%, 0) scale(1) rotate(0deg); }
  100% { transform: translate3d(4%, 3%, 0) scale(1.14) rotate(3deg); }
}

.hero__inner {
  padding: clamp(72px, 11vw, 128px) 0 clamp(56px, 8vw, 92px);
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--teal);
  margin: 0 0 26px;
}
.eyebrow::before {
  content: "";
  width: 26px;
  height: 1px;
  background: var(--pink);
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 7vw, 5.15rem);
  font-weight: 600;
  line-height: 1.02;
  letter-spacing: -0.035em;
  margin: 0 0 26px;
  max-width: 17ch;
  text-wrap: balance;
}
.hero h1 .grad {
  background: linear-gradient(100deg, var(--pink) 5%, var(--blue) 52%, var(--teal) 96%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero__lede {
  max-width: 61ch;
  font-size: clamp(1.05rem, 1.55vw, 1.22rem);
  color: var(--muted);
  margin: 0 0 34px;
}
.hero__lede strong { color: var(--ink); font-weight: 500; }

.hero__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 28px;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  padding: 12px 22px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--panel-strong);
}
.btn:hover { color: var(--night); background: var(--teal); border-color: var(--teal); }
.btn--primary {
  background: linear-gradient(100deg, var(--pink), var(--blue));
  border-color: transparent;
  color: #07070c;
  font-weight: 600;
}
.btn--primary:hover { color: #07070c; filter: brightness(1.12); background: linear-gradient(100deg, var(--pink), var(--blue)); }
.hero__note {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--faint);
}

/* ---------- Marquee ---------- */
.marquee {
  overflow: hidden;
  border-block: 1px solid var(--line-soft);
  background: rgba(255, 255, 255, 0.02);
  padding: 13px 0;
}
.marquee__track {
  display: flex;
  width: max-content;
  animation: marquee 34s linear infinite;
}
.marquee__group {
  display: flex;
  align-items: center;
  gap: 34px;
  padding-right: 34px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--faint);
  white-space: nowrap;
}
.marquee__group span::after {
  content: "◆";
  margin-left: 34px;
  font-size: 7px;
  color: var(--teal);
  vertical-align: 2px;
}
@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ---------- Rail ---------- */
.rail {
  padding: 64px 24px 64px 0;
  align-self: stretch;
}
.rail__inner {
  position: sticky;
  top: 104px;
}
.rail__label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--faint);
  margin: 0 0 18px;
}
.rail ol {
  list-style: none;
  margin: 0 0 34px;
  padding: 0;
  counter-reset: rail;
}
.rail li { border-top: 1px solid var(--line-soft); }
.rail li:last-child { border-bottom: 1px solid var(--line-soft); }
.rail a {
  counter-increment: rail;
  display: flex;
  gap: 12px;
  padding: 11px 0;
  text-decoration: none;
  font-size: 13.5px;
  line-height: 1.45;
  color: var(--muted);
}
.rail a::before {
  content: "0" counter(rail);
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--faint);
  padding-top: 3px;
}
.rail a:hover { color: var(--ink); }
.rail a:hover::before { color: var(--teal); }
.rail__meta {
  border-top: 1px solid var(--line-soft);
  padding-top: 18px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  line-height: 1.8;
  color: var(--faint);
  letter-spacing: 0.04em;
}
.rail__meta strong { color: var(--teal); font-weight: 500; }

/* ---------- Section shell ---------- */
.page-section {
  padding: 68px 0;
  border-top: 1px solid var(--line-soft);
}
.page-section:first-of-type { border-top: 0; padding-top: 56px; }

.section-kicker {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--pink);
  margin: 0 0 16px;
}
.page-section h2 {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3.4vw, 2.7rem);
  line-height: 1.12;
  letter-spacing: -0.025em;
  font-weight: 600;
  margin: 0 0 22px;
  max-width: 24ch;
}
.page-section h3 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 34px 0 10px;
}
.prose { max-width: 70ch; }
.prose p { margin: 0 0 18px; color: var(--muted); }
.prose p strong { color: var(--ink); font-weight: 500; }
.prose p:last-child { margin-bottom: 0; }
.prose a { color: var(--ink); }

.lead {
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 2vw, 1.5rem);
  line-height: 1.5;
  color: var(--ink);
  font-weight: 400;
  margin: 0 0 26px;
  max-width: 46ch;
}

/* Editorial two-column text */
.columns {
  column-count: 2;
  column-gap: 54px;
  max-width: 900px;
}
.columns p { margin: 0 0 18px; color: var(--muted); break-inside: avoid; }
.columns p strong { color: var(--ink); font-weight: 500; }
.columns a { color: var(--ink); }

/* ---------- Figures ---------- */
.figure {
  margin: 34px 0 0;
  border: 1px solid var(--line);
  background: var(--panel);
  padding: 8px;
  border-radius: var(--radius);
}
.figure img {
  width: 100%;
  height: auto;
  border-radius: 2px;
  filter: saturate(0.92) contrast(1.03);
}
.figure figcaption {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--faint);
  padding: 10px 4px 3px;
}
.split {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: 48px;
  align-items: start;
}
.split .figure { margin-top: 0; }
.split .prose { max-width: none; }

/* ---------- Scenario cards ---------- */
.cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
  margin-top: 34px;
}
.card {
  background: var(--night-2);
  padding: 34px 32px 30px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-height: 240px;
}
.card--wide { grid-column: 1 / -1; flex-direction: row; align-items: flex-start; gap: 34px; min-height: 0; }
.card__index {
  font-family: var(--font-mono);
  font-size: clamp(2.1rem, 3.4vw, 3rem);
  line-height: 1;
  letter-spacing: -0.06em;
  background: linear-gradient(120deg, var(--pink), var(--blue) 60%, var(--teal));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  flex: none;
}
.card h3 {
  font-family: var(--font-display);
  font-size: 1.28rem;
  margin: 0;
  font-weight: 500;
  letter-spacing: -0.01em;
}
.card p { margin: 0; font-size: 14.5px; line-height: 1.65; color: var(--muted); }
.card__link {
  margin-top: auto;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--teal);
  text-decoration: none;
}
.card__link:hover { color: var(--pink); }
.card--wide .card__body { display: flex; flex-direction: column; gap: 12px; }

/* ---------- Stat / signal strip ---------- */
.signals {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line-soft);
  border-block: 1px solid var(--line-soft);
  margin-top: 38px;
}
.signal {
  background: var(--night);
  padding: 24px 26px;
}
.signal__label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--faint);
  margin: 0 0 8px;
}
.signal__value {
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 2.2vw, 1.7rem);
  margin: 0;
  letter-spacing: -0.02em;
  line-height: 1.25;
}
.signal__value .mono { font-family: var(--font-mono); font-size: 0.82em; color: var(--teal); }

/* ---------- Timeline ---------- */
.timeline {
  margin: 36px 0 0;
  padding: 0 0 0 34px;
  list-style: none;
  border-left: 1px solid var(--line);
}
.timeline__item {
  position: relative;
  padding: 0 0 34px 0;
}
.timeline__item:last-child { padding-bottom: 0; }
.timeline__item::before {
  content: "";
  position: absolute;
  left: -39px;
  top: 7px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: linear-gradient(120deg, var(--pink), var(--teal));
  box-shadow: 0 0 0 4px var(--night), 0 0 14px rgba(53, 224, 200, 0.6);
}
.timeline__step {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--teal);
  display: block;
  margin-bottom: 4px;
}
.timeline h3 {
  font-family: var(--font-display);
  font-size: 1.17rem;
  margin: 0 0 6px;
  font-weight: 500;
}
.timeline p { margin: 0; color: var(--muted); font-size: 15px; max-width: 62ch; }

/* ---------- Numbered workflow ---------- */
.steps {
  list-style: none;
  counter-reset: step;
  margin: 34px 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}
.steps li {
  counter-increment: step;
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr);
  gap: 20px;
  padding: 24px 0;
  border-bottom: 1px solid var(--line-soft);
}
.steps li::before {
  content: "0" counter(step);
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--pink);
  padding-top: 4px;
}
.steps h3 { margin: 0 0 5px; font-size: 1.12rem; font-family: var(--font-display); font-weight: 500; }
.steps p { margin: 0; color: var(--muted); font-size: 15px; max-width: 64ch; }

/* ---------- Pull quote ---------- */
.pullquote {
  border-left: 2px solid;
  border-image: linear-gradient(var(--pink), var(--teal)) 1;
  padding: 4px 0 4px 26px;
  margin: 36px 0;
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 2.3vw, 1.8rem);
  line-height: 1.35;
  letter-spacing: -0.02em;
  color: var(--ink);
  max-width: 32ch;
}
.pullquote cite {
  display: block;
  font-family: var(--font-mono);
  font-style: normal;
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--faint);
  margin-top: 14px;
}

/* ---------- Callout ---------- */
.callout {
  border: 1px solid var(--line);
  background: var(--panel);
  padding: 21px 24px;
  margin: 30px 0 0;
  border-radius: var(--radius);
  font-size: 14.5px;
  color: var(--muted);
}
.callout strong {
  display: block;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--pink);
  margin-bottom: 8px;
}
.callout p { margin: 0; }

/* ---------- Links next ---------- */
.next {
  list-style: none;
  margin: 36px 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}
.next li { border-bottom: 1px solid var(--line-soft); }
.next a {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 22px;
  padding: 17px 0;
  text-decoration: none;
  font-size: 15px;
  color: var(--ink);
}
.next a:hover { color: var(--teal); }
.next .arrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--faint);
  white-space: nowrap;
}
.next a:hover .arrow { color: var(--pink); }

/* ---------- Ecosystem / footer ---------- */
.ecosystem {
  border-top: 1px solid var(--line);
  padding: 58px 0 52px;
  background:
    radial-gradient(60% 90% at 12% 10%, rgba(255, 94, 168, 0.08), transparent 60%),
    radial-gradient(50% 90% at 88% 30%, rgba(53, 224, 200, 0.07), transparent 60%),
    var(--night-2);
}
.ecosystem__head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: baseline;
  gap: 10px 30px;
  margin-bottom: 26px;
}
.ecosystem h2 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  margin: 0;
  letter-spacing: -0.02em;
}
.ecosystem__label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--teal);
}
.ecosystem__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.ecosystem__grid a {
  display: flex;
  flex-direction: column;
  gap: 8px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  padding: 20px 20px 22px;
  text-decoration: none;
  background: rgba(255, 255, 255, 0.02);
}
.ecosystem__grid a:hover { border-color: rgba(53, 224, 200, 0.5); }
.eco-domain {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--teal);
}
.eco-desc { font-size: 13px; line-height: 1.55; color: var(--muted); }

.footer {
  padding: 34px 0 46px;
  font-size: 12.5px;
  color: var(--faint);
}
.footer__grid {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.6fr);
  gap: 42px;
  border-top: 1px solid var(--line-soft);
  padding-top: 30px;
}
.footer p { margin: 0 0 10px; line-height: 1.65; }
.footer__brand {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink);
}
.footer__legal { font-size: 11.5px; }
.footer a { color: var(--muted); }
.footer a:hover { color: var(--teal); }

/* ---------- Utility ---------- */
.mono { font-family: var(--font-mono); }
.hr { border: 0; border-top: 1px solid var(--line-soft); margin: 40px 0; }

/* ---------- Responsive ---------- */
@media (max-width: 1020px) {
  .shell { display: block; width: min(100% - 48px, var(--wrap)); }
  .shell__main { padding-left: 0; border-left: 0; }
  .rail { display: none; }
  .split { grid-template-columns: 1fr; gap: 30px; }
  .split .figure { margin-top: 6px; }
  .ecosystem__grid { grid-template-columns: repeat(2, 1fr); }
  .columns { column-count: 1; max-width: 70ch; }
}

@media (max-width: 760px) {
  body { font-size: 16px; }
  .wrap,
  .shell { width: min(100% - 34px, var(--wrap)); }
  .site-header__inner { min-height: 0; padding-block: 14px; }
  .nav {
    width: 100%;
    gap: 2px 16px;
    font-size: 12px;
    border-top: 1px solid var(--line-soft);
    padding-top: 10px;
  }
  .nav a { padding: 5px 0; }
  .hero__inner { padding: 58px 0 54px; }
  .hero h1 { font-size: clamp(2.3rem, 10.5vw, 3.3rem); }
  .page-section { padding: 46px 0; }
  .cards { grid-template-columns: 1fr; }
  .card--wide { flex-direction: column; gap: 12px; }
  .signals { grid-template-columns: 1fr; }
  .signal { padding: 18px 20px; }
  .ecosystem__grid { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr; gap: 20px; }
  .steps li { grid-template-columns: 42px minmax(0, 1fr); gap: 12px; }
  .pullquote { max-width: none; }
  .next a { flex-direction: column; gap: 4px; }
}

@media (max-width: 400px) {
  .hero__foot .btn { width: 100%; justify-content: center; }
  .hero__note { font-size: 10px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .hero__mesh,
  .marquee__track { animation: none; }
  .marquee__track { transform: none; flex-wrap: wrap; width: auto; }
  .marquee__group[aria-hidden="true"] { display: none; }
}