/* twin primes — minimal, print‑like stylesheet. ~3kb */
:root {
  --bg: #fff;
  --text: #000;
  --ink: #111;
  --muted: #555;
  --rule: #e5e5e5;
  --maxw: 600px;
  --base: 16px;
  --lh: 1.65;
  --pad: 20px;
}

* { box-sizing: border-box; }
html { font-size: var(--base); background: var(--bg); color: var(--text); -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation: none !important; transition: none !important; }
}
@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}

body {
  margin: 2rem;
  margin-top: 4rem;
  font-family: "Open Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: var(--lh);
  text-rendering: optimizeLegibility;
}

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 2rem; display: block; }

/* skip link */
.skip-link {
  position: absolute; left: -9999px; top: auto; width: 1px; height: 1px; overflow: hidden;
}
.skip-link:focus {
  position: fixed; left: var(--pad); top: var(--pad); width: auto; height: auto; padding: 6px 10px;
  background: #fffa; color: #000; border: 1px solid var(--rule); outline: none; z-index: 1000;
}

/* typography */
h1, h2, h3 { font-weight: 400; color: var(--ink); margin: 2rem 0 1rem; line-height: 1.25; font-size: 1rem; }
h1 { margin-top: 2rem; }
h2 { letter-spacing: 0.1px; }
p, li { color: var(--text); font-size: 1rem; }
.muted { color: var(--muted); font-size: 1rem; }

/* links */
a { color: inherit; text-decoration: underline; }
a:hover { text-decoration: underline; }

/* sections */
.hero .subhead { font-size: 1rem; margin-top: 0.75rem; margin-bottom: 0; max-width: 60ch; }
.hero p:not(.subhead) { max-width: 60ch; }
.rule { border: 0; border-top: 1px solid var(--rule); margin: 2rem 0; }

.investment-list { list-style: disc; padding-left: 1.5rem; margin: 0; }
.investment-list li { margin: 0.05rem 0; }
.investment-list li:first-child { margin-top: 0; }

#investments p { margin-bottom: 0; max-width: 60ch; }

#team p:first-child { margin-top: 0; }
#team p:not(:first-child) { margin-top: 0; }
#team p { max-width: 60ch; }

#team { margin-top: 1rem; }

/* special styling for based16z link */
#team a { text-decoration: none; }
#team a:hover { text-decoration: underline; }

/* special styling for investment links */
.investment-list a { text-decoration: none; }
.investment-list a:hover { text-decoration: underline; }
.link-list { columns: 1; column-gap: 2rem; list-style: none; padding: 0; margin: 1rem 0; }
.link-list li { break-inside: avoid; padding: 0.15rem 0; }

/* anchors and scrolling */
section { scroll-margin-top: 2rem; }

/* footer */
.site-footer { border-top: 1px solid var(--rule); margin-top: 3rem; padding: 1.25rem 0 3rem; }
.site-footer .small { font-size: 1rem; color: var(--muted); }
.disclaimer { font-size: 1rem; color: var(--muted); max-width: 70ch; }

/* responsive */
@media (max-width: 420px) {
  .hero .subhead { max-width: 100%; }
}

/* 3D geometric shape animation */
.geometric-shape {
  position: fixed;
  bottom: 100px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 30px;
  background: transparent;
  border: 3px solid var(--muted);
  border-radius: 50px;
  animation: mobius-move 8s linear infinite;
  z-index: 1;
}

.geometric-shape::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 40px;
  height: 20px;
  background: transparent;
  border: 2px solid var(--rule);
  border-radius: 50px;
  transform: translate(-50%, -50%);
  animation: mobius-twist 6s linear infinite;
}

@keyframes mobius-move {
  0% { transform: translateX(-50%) rotate(0deg) scale(1); }
  25% { transform: translateX(-50%) rotate(90deg) scale(1.1); }
  50% { transform: translateX(-50%) rotate(180deg) scale(0.9); }
  75% { transform: translateX(-50%) rotate(270deg) scale(1.1); }
  100% { transform: translateX(-50%) rotate(360deg) scale(1); }
}

@keyframes mobius-twist {
  0% { transform: translate(-50%, -50%) rotate(0deg) skew(0deg); }
  25% { transform: translate(-50%, -50%) rotate(90deg) skew(10deg); }
  50% { transform: translate(-50%, -50%) rotate(180deg) skew(0deg); }
  75% { transform: translate(-50%, -50%) rotate(270deg) skew(-10deg); }
  100% { transform: translate(-50%, -50%) rotate(360deg) skew(0deg); }
}
