/* Obsidian Core™ Future Versions — independent of V1 aurora system */

:root {
  --ocv-black: #000000;
  --ocv-carbon: #0a0a0c;
  --ocv-steel: #8a939e;
  --ocv-white: #f5f5f5;
  --ocv-ivory: #f4f0e6;
  --ocv-red: #8b1218;
  --ocv-crimson: #b71c24;
  --ocv-blood: #6e0d12;
  --ocv-gold: #c9a227;
  --ocv-gold-soft: #e6c96a;
  --ocv-gold-deep: #8a6f1a;
}

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

html,
body {
  margin: 0;
  min-height: 100%;
}

body.ocv {
  font-family: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, serif;
  background: var(--ocv-black);
  color: var(--ocv-white);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a {
  color: inherit;
}

.ocv-skip {
  position: absolute;
  left: -9999px;
}

.ocv-skip:focus,
.ocv-skip:focus-visible {
  left: 12px;
  top: 12px;
  z-index: 100;
  padding: 8px 12px;
  background: #111;
  color: #fff;
}

/* ── Gateway ── */
.ocv-gate {
  min-height: 100vh;
  display: grid;
  grid-template-rows: 1fr auto;
  background: var(--ocv-black);
}

.ocv-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 0;
}

.ocv-half {
  position: relative;
  display: grid;
  align-content: center;
  justify-items: start;
  gap: 14px;
  min-height: 72vh;
  padding: clamp(28px, 6vw, 72px);
  text-decoration: none;
  overflow: hidden;
  isolation: isolate;
  transition:
    flex 480ms cubic-bezier(0.22, 1, 0.36, 1),
    filter 480ms ease,
    transform 480ms cubic-bezier(0.22, 1, 0.36, 1);
}

.ocv-split:has(.ocv-half:hover),
.ocv-split:has(.ocv-half:focus-visible) {
  grid-template-columns: 1.18fr 0.82fr;
}

.ocv-split:has(.ocv-half--v3:hover),
.ocv-split:has(.ocv-half--v3:focus-visible) {
  grid-template-columns: 0.82fr 1.18fr;
}

.ocv-half--v2 {
  background:
    radial-gradient(120% 80% at 18% 20%, rgba(183, 28, 36, 0.22), transparent 55%),
    linear-gradient(160deg, #050506 0%, #000 55%, #120608 100%);
  box-shadow: inset -1px 0 0 rgba(183, 28, 36, 0.35);
}

.ocv-half--v3 {
  background:
    radial-gradient(110% 70% at 78% 18%, rgba(201, 162, 39, 0.16), transparent 50%),
    linear-gradient(200deg, #050505 0%, #000 60%, #100e08 100%);
  box-shadow: inset 1px 0 0 rgba(201, 162, 39, 0.28);
}

.ocv-half::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.45;
  z-index: 0;
}

.ocv-half--v2::before {
  background:
    linear-gradient(90deg, transparent, rgba(183, 28, 36, 0.08) 48%, transparent),
    repeating-linear-gradient(
      0deg,
      transparent 0 28px,
      rgba(255, 255, 255, 0.015) 28px 29px
    );
}

.ocv-half--v3::before {
  background:
    linear-gradient(180deg, transparent, rgba(201, 162, 39, 0.05) 55%, transparent),
    repeating-linear-gradient(
      90deg,
      transparent 0 42px,
      rgba(255, 255, 255, 0.02) 42px 43px
    );
}

.ocv-half > * {
  position: relative;
  z-index: 1;
}

.ocv-half:hover,
.ocv-half:focus-visible {
  filter: brightness(1.08);
}

.ocv-half:focus-visible {
  outline: 2px solid rgba(245, 245, 245, 0.7);
  outline-offset: -6px;
}

.ocv-kicker {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 11px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  font-weight: 650;
}

.ocv-half--v2 .ocv-kicker { color: rgba(245, 245, 245, 0.72); }
.ocv-half--v3 .ocv-kicker { color: rgba(230, 201, 106, 0.78); }

.ocv-version {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: clamp(4.5rem, 14vw, 8.5rem);
  line-height: 0.85;
  letter-spacing: -0.04em;
  font-weight: 800;
}

.ocv-half--v2 .ocv-version {
  color: #fff;
  text-shadow: 0 0 40px rgba(183, 28, 36, 0.35);
}

.ocv-half--v3 .ocv-version {
  color: var(--ocv-ivory);
  text-shadow: 0 0 36px rgba(201, 162, 39, 0.28);
}

.ocv-label {
  margin: 8px 0 0;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: clamp(0.95rem, 2vw, 1.15rem);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-weight: 700;
}

.ocv-half--v2 .ocv-label { color: var(--ocv-crimson); }
.ocv-half--v3 .ocv-label { color: var(--ocv-gold-soft); }

.ocv-line {
  margin: 0;
  max-width: 28ch;
  font-size: clamp(1rem, 1.8vw, 1.2rem);
  line-height: 1.45;
  color: rgba(245, 245, 245, 0.78);
}

.ocv-half--v2 .ocv-edge {
  position: absolute;
  left: 0;
  top: 18%;
  bottom: 18%;
  width: 2px;
  background: linear-gradient(180deg, transparent, var(--ocv-crimson), transparent);
  opacity: 0.55;
  transition: opacity 420ms ease, box-shadow 420ms ease;
}

.ocv-half--v2:hover .ocv-edge,
.ocv-half--v2:focus-visible .ocv-edge {
  opacity: 1;
  box-shadow: 0 0 18px rgba(183, 28, 36, 0.55);
}

.ocv-half--v3 .ocv-edge {
  position: absolute;
  right: 10%;
  top: 22%;
  width: 1px;
  height: 42%;
  background: linear-gradient(180deg, transparent, var(--ocv-gold), transparent);
  opacity: 0.5;
  transition: opacity 520ms ease, transform 520ms ease;
}

.ocv-half--v3:hover .ocv-edge,
.ocv-half--v3:focus-visible .ocv-edge {
  opacity: 1;
  transform: scaleY(1.08);
}

.ocv-return {
  display: inline-block;
  justify-self: center;
  margin: 18px auto 28px;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(245, 245, 245, 0.45);
  text-decoration: none;
}

.ocv-return:hover,
.ocv-return:focus-visible {
  color: rgba(245, 245, 245, 0.85);
}

.ocv-gate .ocv-return {
  text-align: center;
  width: 100%;
}

@media (max-width: 820px) {
  .ocv-split,
  .ocv-split:has(.ocv-half:hover),
  .ocv-split:has(.ocv-half:focus-visible),
  .ocv-split:has(.ocv-half--v3:hover),
  .ocv-split:has(.ocv-half--v3:focus-visible) {
    grid-template-columns: 1fr;
  }

  .ocv-half {
    min-height: 48vh;
  }

  .ocv-half--v2 {
    box-shadow: inset 0 -1px 0 rgba(183, 28, 36, 0.35);
  }

  .ocv-half--v3 {
    box-shadow: none;
  }
}

/* ── Version pages ── */
.ocv-page {
  min-height: 100vh;
  background: var(--ocv-black);
  position: relative;
  overflow-x: hidden;
}

.ocv-page--v2 {
  --ocv-accent: var(--ocv-crimson);
  --ocv-accent-soft: #d84a52;
  --ocv-muted: rgba(245, 245, 245, 0.62);
  background: #000;
}

.ocv-page--v3 {
  --ocv-accent: var(--ocv-gold);
  --ocv-accent-soft: var(--ocv-gold-soft);
  --ocv-muted: rgba(244, 240, 230, 0.62);
  background: #000;
}

/* Atmosphere — V2 / V3 pages only (not gateway) */
.ocv-atmosphere {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
  color: var(--ocv-accent);
}

.ocv-page > .ocv-utility,
.ocv-page > .ocv-hero,
.ocv-page > .ocv-banner,
.ocv-page > .ocv-wrap,
.ocv-page > .ocv-foot,
.ocv-page > .ocv-intro {
  position: relative;
  z-index: 1;
}

.ocv-atmosphere__bloom {
  position: absolute;
  border-radius: 50%;
  filter: blur(2px);
  will-change: opacity;
}

.ocv-page--v2 .ocv-atmosphere__bloom--a {
  width: min(90vw, 820px);
  height: min(70vh, 640px);
  top: -12%;
  left: -18%;
  background: radial-gradient(circle, rgba(139, 18, 24, 0.34), transparent 68%);
}

.ocv-page--v2 .ocv-atmosphere__bloom--b {
  width: min(70vw, 560px);
  height: min(55vh, 480px);
  right: -12%;
  top: 28%;
  background: radial-gradient(circle, rgba(183, 28, 36, 0.16), transparent 70%);
}

.ocv-page--v2 .ocv-atmosphere__bloom--c {
  width: min(80vw, 700px);
  height: min(50vh, 420px);
  left: 10%;
  bottom: -8%;
  background: radial-gradient(circle, rgba(110, 13, 18, 0.28), transparent 72%);
}

.ocv-page--v3 .ocv-atmosphere__bloom--a {
  width: min(75vw, 680px);
  height: min(60vh, 560px);
  top: -18%;
  right: -10%;
  background: radial-gradient(circle, rgba(201, 162, 39, 0.14), transparent 70%);
}

.ocv-page--v3 .ocv-atmosphere__bloom--b {
  width: min(55vw, 460px);
  height: min(45vh, 400px);
  left: -8%;
  top: 36%;
  background: radial-gradient(circle, rgba(244, 240, 230, 0.05), transparent 72%);
}

.ocv-page--v3 .ocv-atmosphere__bloom--c {
  width: min(70vw, 620px);
  height: min(48vh, 420px);
  right: 8%;
  bottom: -12%;
  background: radial-gradient(circle, rgba(138, 111, 26, 0.12), transparent 70%);
}

.ocv-atmosphere__noise {
  position: absolute;
  inset: 0;
  opacity: 0.035;
  background-image:
    repeating-linear-gradient(
      0deg,
      transparent 0 2px,
      rgba(255, 255, 255, 0.04) 2px 3px
    ),
    repeating-linear-gradient(
      90deg,
      transparent 0 3px,
      rgba(255, 255, 255, 0.025) 3px 4px
    );
  mix-blend-mode: soft-light;
}

.ocv-page--v3 .ocv-atmosphere__noise {
  display: none;
}

.ocv-atmosphere__scan {
  display: none;
}

.ocv-page--v2 .ocv-atmosphere__scan {
  display: block;
  position: absolute;
  left: 0;
  right: 0;
  height: 18%;
  top: -20%;
  background: linear-gradient(
    180deg,
    transparent,
    rgba(183, 28, 36, 0.045),
    transparent
  );
  opacity: 0.7;
}

.ocv-atmosphere__geo {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 140%;
  opacity: 0.22;
  color: inherit;
}

.ocv-page--v2 .ocv-atmosphere__geo {
  color: rgba(183, 28, 36, 0.9);
  opacity: 0.2;
}

.ocv-page--v3 .ocv-atmosphere__geo {
  color: rgba(201, 162, 39, 0.85);
  opacity: 0.16;
}

.ocv-atmosphere__grid,
.ocv-atmosphere__routes,
.ocv-atmosphere__arcs,
.ocv-atmosphere__datums {
  transition: opacity 900ms ease;
}

.ocv-page.is-ready .ocv-atmosphere__geo {
  opacity: 0.28;
}

.ocv-page--v3.is-ready .ocv-atmosphere__geo {
  opacity: 0.22;
}

@media (prefers-reduced-motion: no-preference) {
  .ocv-page--v2 .ocv-atmosphere__scan {
    animation: ocv-scan 16s linear infinite;
  }

  .ocv-page--v2 .ocv-atmosphere__travel {
    stroke-dasharray: 12 180;
    animation: ocv-route-travel 14s linear infinite;
  }

  .ocv-page--v2 .ocv-atmosphere__travel--late {
    animation-delay: -7s;
    animation-duration: 18s;
  }

  .ocv-page--v2 .ocv-atmosphere__bloom--a {
    animation: ocv-bloom-pulse 11s ease-in-out infinite alternate;
  }

  .ocv-page--v3 .ocv-atmosphere__draw {
    stroke-dasharray: 1600;
    stroke-dashoffset: 1600;
  }

  .ocv-page--v3.is-ready .ocv-atmosphere__draw {
    animation: ocv-gold-draw 2.8s cubic-bezier(0.22, 1, 0.36, 1) 0.4s forwards;
  }

  .ocv-page--v3.is-ready .ocv-atmosphere__draw--late {
    animation-delay: 1.1s;
    animation-duration: 3.4s;
  }

  .ocv-page--v3 .ocv-atmosphere__bloom--a {
    animation: ocv-bloom-drift 22s ease-in-out infinite alternate;
  }
}

@keyframes ocv-scan {
  from { transform: translateY(0); }
  to { transform: translateY(620%); }
}

@keyframes ocv-route-travel {
  from { stroke-dashoffset: 0; }
  to { stroke-dashoffset: -380; }
}

@keyframes ocv-bloom-pulse {
  from { opacity: 0.75; transform: scale(1); }
  to { opacity: 1; transform: scale(1.04); }
}

@keyframes ocv-bloom-drift {
  from { opacity: 0.85; transform: translate3d(0, 0, 0); }
  to { opacity: 1; transform: translate3d(-2%, 1.5%, 0); }
}

@keyframes ocv-gold-draw {
  to { stroke-dashoffset: 0; }
}

/* Hero environment */
.ocv-page--v2 .ocv-hero {
  position: relative;
  background:
    radial-gradient(90% 80% at 8% 12%, rgba(139, 18, 24, 0.28), transparent 58%),
    linear-gradient(180deg, rgba(8, 0, 0, 0.2), transparent 70%);
}

.ocv-page--v2 .ocv-hero::before {
  content: "";
  position: absolute;
  left: 0;
  top: 18%;
  bottom: 22%;
  width: 2px;
  background: linear-gradient(180deg, transparent, rgba(183, 28, 36, 0.55), transparent);
  opacity: 0.55;
  box-shadow: 0 0 18px rgba(183, 28, 36, 0.25);
}

.ocv-page--v2 .ocv-hero::after {
  content: "";
  position: absolute;
  right: clamp(16px, 6vw, 64px);
  top: 14%;
  width: min(28vw, 220px);
  height: min(28vw, 220px);
  border: 1px solid rgba(183, 28, 36, 0.18);
  border-left: none;
  border-bottom: none;
  opacity: 0.55;
  pointer-events: none;
}

.ocv-page--v3 .ocv-hero {
  position: relative;
  background:
    radial-gradient(70% 60% at 92% 8%, rgba(201, 162, 39, 0.12), transparent 55%),
    linear-gradient(180deg, rgba(12, 10, 6, 0.35), transparent 72%);
}

.ocv-page--v3 .ocv-hero::before {
  content: "";
  position: absolute;
  left: clamp(16px, 4vw, 40px);
  top: 12%;
  bottom: 18%;
  width: 1px;
  background: linear-gradient(180deg, transparent, rgba(201, 162, 39, 0.45), transparent);
  opacity: 0.5;
}

.ocv-page--v3 .ocv-hero::after {
  content: "";
  position: absolute;
  right: clamp(20px, 7vw, 80px);
  top: 10%;
  width: min(34vw, 280px);
  height: min(34vw, 280px);
  border: 1px solid rgba(201, 162, 39, 0.2);
  border-radius: 50%;
  clip-path: inset(0 0 42% 38%);
  opacity: 0.7;
  pointer-events: none;
}

/* Section depth variation */
.ocv-page--v2 .ocv-section,
.ocv-page--v3 .ocv-section {
  position: relative;
  isolation: isolate;
  padding: 28px 18px;
  margin-inline: -18px;
  border-radius: 0;
  transition: background 700ms ease, box-shadow 700ms ease;
}

.ocv-page--v2 .ocv-section::before,
.ocv-page--v3 .ocv-section::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.55;
  transition: opacity 850ms ease;
}

.ocv-page--v2 .ocv-section.is-inview::before,
.ocv-page--v3 .ocv-section.is-inview::before {
  opacity: 1;
}

.ocv-page--v2 .ocv-wrap > .ocv-section:nth-of-type(4n + 1)::before {
  background:
    radial-gradient(80% 70% at 0% 0%, rgba(183, 28, 36, 0.14), transparent 60%),
    linear-gradient(180deg, rgba(8, 2, 2, 0.55), transparent);
}

.ocv-page--v2 .ocv-wrap > .ocv-section:nth-of-type(4n + 2)::before {
  background:
    repeating-linear-gradient(
      90deg,
      transparent 0 46px,
      rgba(183, 28, 36, 0.045) 46px 47px
    ),
    linear-gradient(160deg, rgba(12, 12, 14, 0.7), rgba(0, 0, 0, 0.1));
}

.ocv-page--v2 .ocv-wrap > .ocv-section:nth-of-type(4n + 3)::before {
  background:
    radial-gradient(70% 80% at 100% 50%, rgba(110, 13, 18, 0.22), transparent 55%),
    linear-gradient(180deg, rgba(6, 0, 0, 0.45), transparent);
}

.ocv-page--v2 .ocv-wrap > .ocv-section:nth-of-type(4n + 4)::before {
  background:
    repeating-linear-gradient(
      0deg,
      transparent 0 34px,
      rgba(183, 28, 36, 0.04) 34px 35px
    ),
    linear-gradient(180deg, rgba(0, 0, 0, 0.2), rgba(10, 4, 4, 0.45));
}

.ocv-page--v2 .ocv-section::after {
  content: "";
  position: absolute;
  left: 0;
  top: 18px;
  bottom: 18px;
  width: 1px;
  background: linear-gradient(180deg, transparent, rgba(183, 28, 36, 0.35), transparent);
  opacity: 0;
  transition: opacity 700ms ease;
}

.ocv-page--v2 .ocv-section.is-inview::after {
  opacity: 0.7;
}

.ocv-page--v3 .ocv-wrap > .ocv-section:nth-of-type(4n + 1)::before {
  background:
    radial-gradient(60% 50% at 100% 0%, rgba(201, 162, 39, 0.08), transparent 55%),
    linear-gradient(180deg, rgba(8, 8, 8, 0.5), transparent);
}

.ocv-page--v3 .ocv-wrap > .ocv-section:nth-of-type(4n + 2)::before {
  background:
    repeating-linear-gradient(
      90deg,
      transparent 0 72px,
      rgba(201, 162, 39, 0.035) 72px 73px
    ),
    linear-gradient(180deg, rgba(10, 10, 12, 0.55), transparent);
}

.ocv-page--v3 .ocv-wrap > .ocv-section:nth-of-type(4n + 3)::before {
  background:
    linear-gradient(135deg, transparent 62%, rgba(201, 162, 39, 0.05) 62% 62.4%, transparent 62.4%),
    linear-gradient(180deg, rgba(6, 6, 6, 0.4), rgba(12, 10, 6, 0.25));
}

.ocv-page--v3 .ocv-wrap > .ocv-section:nth-of-type(4n + 4)::before {
  background:
    radial-gradient(50% 60% at 0% 100%, rgba(244, 240, 230, 0.04), transparent 55%),
    linear-gradient(180deg, rgba(8, 7, 5, 0.45), transparent);
}

.ocv-page--v3 .ocv-section::after {
  content: "";
  position: absolute;
  right: 10px;
  top: 14px;
  width: 42px;
  height: 42px;
  border-top: 1px solid rgba(201, 162, 39, 0.28);
  border-right: 1px solid rgba(201, 162, 39, 0.28);
  opacity: 0;
  transition: opacity 800ms ease;
}

.ocv-page--v3 .ocv-section.is-inview::after {
  opacity: 0.85;
}

/* Banners as environmental bands */
.ocv-page--v2 .ocv-banner {
  position: relative;
  z-index: 1;
  border-color: rgba(183, 28, 36, 0.4);
  background:
    linear-gradient(90deg, rgba(110, 13, 18, 0.35), rgba(20, 2, 4, 0.55) 40%, rgba(110, 13, 18, 0.28)),
    rgba(110, 13, 18, 0.18);
  box-shadow:
    inset 0 1px 0 rgba(255, 180, 180, 0.08),
    0 0 30px rgba(183, 28, 36, 0.08);
}

.ocv-page--v2 .ocv-banner::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, transparent, rgba(216, 74, 82, 0.7), transparent);
}

.ocv-page--v3 .ocv-banner {
  position: relative;
  z-index: 1;
  border-color: rgba(201, 162, 39, 0.32);
  background:
    linear-gradient(90deg, rgba(20, 16, 8, 0.7), rgba(12, 10, 6, 0.85) 50%, rgba(20, 16, 8, 0.7));
  box-shadow: inset 0 1px 0 rgba(230, 201, 106, 0.08);
}

.ocv-page--v3 .ocv-banner::before,
.ocv-page--v3 .ocv-banner::after {
  content: "";
  position: absolute;
  top: 50%;
  width: 28px;
  height: 1px;
  background: rgba(201, 162, 39, 0.45);
}

.ocv-page--v3 .ocv-banner::before { left: 10px; }
.ocv-page--v3 .ocv-banner::after { right: 10px; }

/* Price identity framing */
.ocv-page--v2 .ocv-price {
  position: relative;
  border-color: rgba(183, 28, 36, 0.55);
  background:
    radial-gradient(120% 100% at 0% 0%, rgba(183, 28, 36, 0.16), transparent 55%),
    rgba(0, 0, 0, 0.45);
  box-shadow:
    0 0 48px rgba(183, 28, 36, 0.16),
    inset 3px 0 0 rgba(183, 28, 36, 0.7);
}

.ocv-page--v3 .ocv-price {
  position: relative;
  border-color: rgba(201, 162, 39, 0.45);
  background:
    linear-gradient(180deg, rgba(201, 162, 39, 0.06), transparent 40%),
    rgba(0, 0, 0, 0.4);
  box-shadow: 0 0 40px rgba(201, 162, 39, 0.1);
}

.ocv-page--v3 .ocv-price::before {
  content: "";
  position: absolute;
  inset: 8px;
  border: 1px solid rgba(201, 162, 39, 0.18);
  pointer-events: none;
}

@media (max-width: 820px) {
  .ocv-atmosphere__geo {
    height: 120%;
    opacity: 0.14;
  }

  .ocv-page--v2 .ocv-atmosphere__geo,
  .ocv-page--v3 .ocv-atmosphere__geo {
    opacity: 0.12;
  }

  .ocv-page--v2 .ocv-atmosphere__scan {
    opacity: 0.4;
  }

  .ocv-page--v2 .ocv-hero::after,
  .ocv-page--v3 .ocv-hero::after {
    width: 120px;
    height: 120px;
    opacity: 0.4;
  }

  .ocv-page--v2 .ocv-section,
  .ocv-page--v3 .ocv-section {
    margin-inline: 0;
    padding-inline: 0;
  }

  .ocv-page--v2 .ocv-section::after,
  .ocv-page--v3 .ocv-section::after {
    display: none;
  }

  .ocv-page--v3 .ocv-banner::before,
  .ocv-page--v3 .ocv-banner::after {
    width: 14px;
  }

  .ocv-atmosphere__bloom {
    filter: none;
  }
}

.ocv-utility {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 18px;
  background: rgba(0, 0, 0, 0.72);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(10px);
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.ocv-utility a {
  text-decoration: none;
  color: rgba(245, 245, 245, 0.55);
}

.ocv-utility a:hover,
.ocv-utility a:focus-visible {
  color: #fff;
}

.ocv-hero {
  padding: clamp(48px, 10vw, 120px) clamp(20px, 5vw, 72px) 40px;
  max-width: 1100px;
}

.ocv-hero__mark {
  margin: 0 0 18px;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 12px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--ocv-muted);
}

.ocv-hero__version {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: clamp(3.8rem, 12vw, 7rem);
  line-height: 0.88;
  letter-spacing: -0.04em;
  font-weight: 800;
}

.ocv-page--v2 .ocv-hero__version {
  color: #fff;
  text-shadow: 0 0 48px rgba(183, 28, 36, 0.35);
}

.ocv-page--v3 .ocv-hero__version {
  color: var(--ocv-ivory);
  text-shadow: 0 0 40px rgba(201, 162, 39, 0.25);
}

.ocv-hero__title {
  margin: 18px 0 0;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: clamp(1.1rem, 2.4vw, 1.45rem);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--ocv-accent-soft);
}

.ocv-hero__lead {
  margin: 18px 0 0;
  max-width: 42ch;
  font-size: clamp(1.15rem, 2.2vw, 1.45rem);
  line-height: 1.45;
  color: rgba(245, 245, 245, 0.86);
}

.ocv-status {
  margin: 22px 0 0;
  display: inline-block;
  padding: 8px 12px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ocv-muted);
}

.ocv-page--v2 .ocv-status {
  border-color: rgba(183, 28, 36, 0.45);
}

.ocv-page--v3 .ocv-status {
  border-color: rgba(201, 162, 39, 0.4);
}

/* banners */
.ocv-banner {
  overflow: hidden;
  border-block: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.02);
  margin: 28px 0;
}

.ocv-page--v2 .ocv-banner {
  border-color: rgba(183, 28, 36, 0.4);
}

.ocv-page--v3 .ocv-banner {
  border-color: rgba(201, 162, 39, 0.32);
}

.ocv-banner__track {
  display: flex;
  width: max-content;
  gap: 0;
  white-space: nowrap;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding: 10px 0;
  color: rgba(245, 245, 245, 0.78);
}

.ocv-page--v2 .ocv-banner__track { color: rgba(255, 210, 214, 0.82); }
.ocv-page--v3 .ocv-banner__track { color: rgba(230, 201, 106, 0.88); }

.ocv-banner__track span {
  padding: 0 28px;
}

@media (prefers-reduced-motion: no-preference) {
  .ocv-banner__track {
    animation: ocv-marquee 38s linear infinite;
  }
}

@keyframes ocv-marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

.ocv-wrap {
  width: min(1100px, calc(100% - 40px));
  margin: 0 auto;
  padding: 20px 0 80px;
}

.ocv-section {
  margin: 48px 0;
}

.ocv-section__kicker {
  margin: 0 0 10px;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ocv-accent-soft);
}

.ocv-section__title {
  margin: 0 0 12px;
  font-size: clamp(1.6rem, 3.5vw, 2.2rem);
  letter-spacing: -0.02em;
}

.ocv-section__note {
  margin: 0 0 28px;
  max-width: 62ch;
  color: var(--ocv-muted);
  line-height: 1.55;
  font-size: 1.02rem;
}

.ocv-grid {
  display: grid;
  gap: 14px;
}

@media (min-width: 780px) {
  .ocv-grid--2 { grid-template-columns: 1fr 1fr; }
  .ocv-grid--3 { grid-template-columns: repeat(3, 1fr); }
}

.ocv-item {
  padding: 20px 18px 22px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.02);
}

.ocv-page--v2 .ocv-item {
  border-color: rgba(183, 28, 36, 0.28);
  background: linear-gradient(160deg, rgba(183, 28, 36, 0.08), rgba(0, 0, 0, 0.2));
  box-shadow: inset 2px 0 0 rgba(183, 28, 36, 0.55);
}

.ocv-page--v3 .ocv-item {
  border-color: rgba(201, 162, 39, 0.22);
  background: linear-gradient(180deg, rgba(201, 162, 39, 0.06), rgba(0, 0, 0, 0.25));
}

.ocv-item h3 {
  margin: 0 0 8px;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 1rem;
  letter-spacing: 0.02em;
}

.ocv-item p {
  margin: 0;
  color: var(--ocv-muted);
  font-size: 0.95rem;
  line-height: 1.5;
}

.ocv-list {
  margin: 0;
  padding-left: 1.15rem;
  color: var(--ocv-muted);
  line-height: 1.55;
}

.ocv-list li + li { margin-top: 8px; }

.ocv-price {
  margin: 56px 0 24px;
  padding: 28px 24px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  max-width: 28rem;
}

.ocv-page--v2 .ocv-price {
  border-color: rgba(183, 28, 36, 0.55);
}

.ocv-page--v3 .ocv-price {
  border-color: rgba(201, 162, 39, 0.45);
}

.ocv-price__label {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ocv-muted);
}

.ocv-price__amount {
  margin: 10px 0 0;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: clamp(2.6rem, 7vw, 3.6rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1;
}

.ocv-price__note {
  margin: 12px 0 0;
  color: var(--ocv-muted);
  font-size: 0.95rem;
  line-height: 1.5;
}

.ocv-foot {
  padding: 28px 20px 48px;
  text-align: center;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.ocv-foot a {
  color: rgba(245, 245, 245, 0.5);
  text-decoration: none;
  margin: 0 10px;
}

.ocv-foot a:hover,
.ocv-foot a:focus-visible {
  color: #fff;
}

/* intro overlay */
.ocv-intro {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: grid;
  place-items: center;
  background: #000;
  pointer-events: none;
}

.ocv-intro__line {
  width: 0;
  height: 2px;
  background: var(--ocv-accent);
  box-shadow: 0 0 20px var(--ocv-accent);
}

.ocv-intro__mark {
  position: absolute;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: clamp(3rem, 10vw, 5.5rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  opacity: 0;
}

.ocv-page.is-ready .ocv-intro {
  animation: ocv-intro-out 420ms ease forwards;
  animation-delay: 980ms;
}

.ocv-page.is-ready .ocv-intro__line {
  animation: ocv-line-expand 720ms cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

.ocv-page.is-ready .ocv-intro__mark {
  animation: ocv-mark-in 560ms cubic-bezier(0.22, 1, 0.36, 1) 420ms forwards;
}

@keyframes ocv-line-expand {
  from { width: 0; opacity: 0.2; }
  to { width: min(72vw, 520px); opacity: 1; }
}

@keyframes ocv-mark-in {
  from { opacity: 0; transform: translateY(12px); filter: blur(4px); }
  to { opacity: 1; transform: none; filter: none; }
}

@keyframes ocv-intro-out {
  to { opacity: 0; visibility: hidden; }
}

.ocv-reveal {
  opacity: 0;
  transform: translateY(16px);
}

.ocv-page.is-ready .ocv-reveal {
  animation: ocv-reveal 700ms cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

.ocv-page.is-ready .ocv-reveal:nth-child(1) { animation-delay: 900ms; }
.ocv-page.is-ready .ocv-reveal:nth-child(2) { animation-delay: 1000ms; }
.ocv-page.is-ready .ocv-reveal:nth-child(3) { animation-delay: 1100ms; }
.ocv-page.is-ready .ocv-reveal:nth-child(4) { animation-delay: 1200ms; }

@keyframes ocv-reveal {
  to { opacity: 1; transform: none; }
}

@media (prefers-reduced-motion: reduce) {
  .ocv-atmosphere__scan,
  .ocv-atmosphere__travel,
  .ocv-atmosphere__draw,
  .ocv-page--v2 .ocv-atmosphere__bloom--a,
  .ocv-page--v3 .ocv-atmosphere__bloom--a,
  .ocv-page--v3.is-ready .ocv-atmosphere__draw,
  .ocv-page--v3.is-ready .ocv-atmosphere__draw--late {
    animation: none !important;
    transition: none !important;
    transform: none !important;
    filter: none !important;
    visibility: visible !important;
  }

  .ocv-half,
  .ocv-banner__track,
  .ocv-intro,
  .ocv-intro__line,
  .ocv-intro__mark,
  .ocv-reveal,
  .ocv-page.is-ready .ocv-intro,
  .ocv-page.is-ready .ocv-intro__line,
  .ocv-page.is-ready .ocv-intro__mark,
  .ocv-page.is-ready .ocv-reveal {
    animation: none !important;
    transition: none !important;
    opacity: 1 !important;
    transform: none !important;
    filter: none !important;
    visibility: visible !important;
  }

  .ocv-atmosphere__scan {
    display: none !important;
  }

  .ocv-atmosphere__travel,
  .ocv-atmosphere__draw {
    stroke-dasharray: none !important;
    stroke-dashoffset: 0 !important;
  }

  .ocv-page--v2 .ocv-atmosphere__geo,
  .ocv-page--v3 .ocv-atmosphere__geo,
  .ocv-page.is-ready .ocv-atmosphere__geo,
  .ocv-page--v3.is-ready .ocv-atmosphere__geo {
    opacity: 0.24;
  }

  .ocv-page--v2 .ocv-section::before,
  .ocv-page--v3 .ocv-section::before,
  .ocv-page--v2 .ocv-section::after,
  .ocv-page--v3 .ocv-section::after {
    opacity: 1 !important;
  }

  .ocv-intro {
    display: none !important;
  }

  .ocv-split,
  .ocv-split:has(.ocv-half:hover),
  .ocv-split:has(.ocv-half:focus-visible),
  .ocv-split:has(.ocv-half--v3:hover),
  .ocv-split:has(.ocv-half--v3:focus-visible) {
    grid-template-columns: 1fr 1fr;
  }

  @media (max-width: 820px) {
    .ocv-split,
    .ocv-split:has(.ocv-half:hover),
    .ocv-split:has(.ocv-half:focus-visible) {
      grid-template-columns: 1fr;
    }
  }
}

@supports (view-transition-name: none) {
  .ocv-half--v2 { view-transition-name: ocv-v2; }
  .ocv-half--v3 { view-transition-name: ocv-v3; }
}