:root {
  --bg: #111111;
  --bg-elev: #161616;
  --fg: #f2f2f2;
  --fg-muted: #8a8a8a;
  --fg-dim: #4a4a4a;
  --line: #222222;
  --line-strong: #333333;
  --accent: #f2f2f2;

  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Helvetica Neue", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;

  --pad: clamp(1.25rem, 4vw, 3rem);
  --max: 1400px;
  --tracking-wide: 0.22em;
  --tracking-mid: 0.12em;
}

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

html { background: var(--bg); }
body {
  background: transparent;
  color: var(--fg);
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body { min-height: 100vh; overflow-x: hidden; }
a { color: inherit; text-decoration: none; }
button { background: none; border: none; color: inherit; font: inherit; cursor: pointer; }

/* ───────── 3D scene canvas ───────── */
.scene-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
  display: block;
}
.site { position: relative; z-index: 1; }

/* Slight backdrop scrim behind hero text so it stays legible over scenes */
.hero, .ventures, .foot {
  position: relative;
}

/* ───────── Intro / loader ───────── */
.intro {
  position: fixed; inset: 0;
  background: rgba(7, 9, 18, 0.55);
  backdrop-filter: blur(28px) saturate(120%);
  -webkit-backdrop-filter: blur(28px) saturate(120%);
  z-index: 100;
  display: grid;
  place-items: center;
  transition: opacity 900ms ease, visibility 0s linear 900ms, backdrop-filter 900ms ease;
}
.intro.is-hidden { opacity: 0; visibility: hidden; pointer-events: none; }

.intro__line {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  width: min(640px, 80vw);
}

.intro__dash {
  flex: 1;
  height: 1px;
  background: var(--line-strong);
  transform-origin: left;
  animation: dashGrow 1.4s ease forwards;
}
.intro__dash:last-child { transform-origin: right; }

.intro__cta {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 300;
  letter-spacing: var(--tracking-wide);
  color: var(--fg-muted);
  font-style: italic;
  padding: 0;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 999px;
  cursor: default;
  white-space: nowrap;
  transition:
    padding 700ms cubic-bezier(0.4, 0, 0.2, 1),
    border-color 600ms ease,
    color 500ms ease,
    background 220ms ease,
    font-style 600ms ease;
}
.intro__cta.is-ready {
  font-style: normal;
  color: var(--fg);
  padding: 0.85rem 1.75rem;
  border-color: var(--line-strong);
  cursor: pointer;
}
.intro__cta.is-ready:hover {
  background: var(--fg);
  color: var(--bg);
  border-color: var(--fg);
}
.intro__cta.is-ready:focus-visible {
  outline: none;
  border-color: var(--fg);
}

@keyframes dashGrow {
  from { transform: scaleX(0); opacity: 0.4; }
  to   { transform: scaleX(1); opacity: 1; }
}

/* ───────── Site shell ───────── */
.site {
  opacity: 0;
  transition: opacity 800ms ease 100ms;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--pad);
}
.site.is-visible { opacity: 1; }

/* ───────── Nav ───────── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 15;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.75rem clamp(1.25rem, 4vw, 3rem);
  pointer-events: none;
}
.nav > * { pointer-events: auto; }

.nav__brand {
  display: inline-flex;
  align-items: baseline;
  gap: 0.55rem;
}
.nav__mark {
  font-weight: 500;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
}
.nav__sub {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: var(--tracking-wide);
  color: var(--fg-muted);
  text-transform: uppercase;
}

.nav__cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  color: var(--fg);
  padding: 0.65rem 1.1rem;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  transition: background 220ms ease, color 220ms ease, border-color 220ms ease;
}
.nav__cta:hover { background: var(--fg); color: var(--bg); border-color: var(--fg); }
.nav__arrow { transition: transform 220ms ease; }
.nav__cta:hover .nav__arrow { transform: translateX(3px); }

/* ───────── Hero ───────── */
.hero {
  display: flex;
  flex-direction: column;
  justify-content: center;
  max-width: 540px;
  padding: 0;
}

.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  color: var(--fg-muted);
  margin-bottom: 2.25rem;
}
.dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: #6ce28d;
  box-shadow: 0 0 12px rgba(108, 226, 141, 0.45);
}

.hero__title {
  font-size: clamp(5rem, 18vw, 13rem);
  font-weight: 500;
  letter-spacing: -0.045em;
  line-height: 0.9;
  margin-bottom: 2rem;
}

.hero__desc {
  font-size: clamp(1rem, 1.6vw, 1.3rem);
  font-weight: 300;
  color: var(--fg-muted);
  max-width: 36ch;
  line-height: 1.5;
}

/* ───────── Ventures section ───────── */
/* Stage: hero pinned on the left, ventures animating on the right.
   The stage section is tall (scroll room); the inner .stage__pin sticks
   to the viewport during that scroll and the cards animate over scroll progress. */
.stage {
  position: relative;
  min-height: 300vh;       /* (N + 1) × 100vh — bump for each new venture */
}

.stage__pin {
  position: sticky;
  top: 0;
  height: 100vh;
  height: 100svh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 2rem;
  padding-top: 5rem;        /* clear the fixed nav */
  padding-bottom: 5rem;     /* clear the fixed footer */
}

.stage__deck {
  position: relative;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  /* No overflow clip — exit motion drifts into the hero column while fading,
     and the fade brings opacity to zero before the card visually interferes. */
}

.venture-list {
  list-style: none;
  position: relative;
  width: 100%;
  max-width: 480px;
  min-height: 360px;
}

.venture {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  opacity: 0;
  will-change: transform, opacity;
}

.venture__card {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  padding: 2rem 2rem 1.75rem;
  background: rgba(14, 14, 18, 0.55);
  backdrop-filter: blur(18px) saturate(130%);
  -webkit-backdrop-filter: blur(18px) saturate(130%);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 14px;
  transition: border-color 280ms ease, background 280ms ease, transform 280ms ease;
}
.venture__card:hover {
  background: rgba(22, 22, 28, 0.65);
  border-color: rgba(255, 255, 255, 0.16);
  transform: translateY(-2px);
}

.venture__head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
}
.venture__num { color: var(--fg-dim); font-feature-settings: "tnum"; }
.venture__label { color: var(--fg-muted); }

.venture__name {
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  font-weight: 500;
  letter-spacing: -0.025em;
  line-height: 1;
}

.venture__desc {
  color: var(--fg-muted);
  font-weight: 300;
  font-size: 0.95rem;
  line-height: 1.55;
  max-width: 32ch;
}

.venture__meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 1.25rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
}
.venture__tag { color: var(--fg-muted); }
.venture__cta {
  color: var(--fg);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}
.venture__arrow { display: inline-block; transition: transform 220ms ease; }
.venture__card:hover .venture__arrow { transform: translate(3px, -3px); }

@media (max-width: 720px) {
  .ventures {
    justify-content: center;
    padding: clamp(3rem, 8vh, 5rem) 0;
  }
  .venture-list {
    width: 100%;
  }
  .venture__card { padding: 1.5rem; }
}

/* ───────── Footer ───────── */
.foot {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 15;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem clamp(1.25rem, 4vw, 3rem);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: var(--tracking-mid);
  color: var(--fg-muted);
  background: linear-gradient(180deg, transparent, rgba(7, 9, 18, 0.85) 70%);
  pointer-events: none;
}
.foot > * { pointer-events: auto; }
.foot__col { display: flex; gap: 1rem; align-items: center; }
.foot__col--right { gap: 1.5rem; }
.foot__sub { color: var(--fg-dim); }
.foot__link { transition: color 220ms ease; }
.foot__link:hover { color: var(--fg); }

/* ───────── Mobile ───────── */
@media (max-width: 720px) {
  .nav__sub { display: none; }
  .stage__pin {
    grid-template-columns: 1fr;
    grid-template-rows: auto 1fr;
    gap: 1.5rem;
    padding-top: 4rem;
    padding-bottom: 6rem;
  }
  .venture-list { width: 100%; max-width: none; }
  .venture__card { padding: 1.5rem; }
  .foot {
    padding: 1rem clamp(1.25rem, 4vw, 3rem);
    font-size: 0.6rem;
  }
}

/* ───────── Reduced motion ───────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}