/* Ground, lettering and controls. Section boxes live in sections.css.
   Tokens follow the system Prime Intellect actually ships: a near-black
   ground rather than pure black, text and rules as white at an opacity
   rather than separate greys, and no corner radius anywhere. */

@import url("https://fonts.googleapis.com/css2?family=Geist:wght@300..700&family=Geist+Mono:wght@400..600&display=swap");

:root {
  --bg: #0e0e0e;
  --card: #151515;
  --card-2: #101010;
  --line: #2a2a2a;
  --line-soft: #202020;

  --ink: rgba(255, 255, 255, 0.92);
  --ink-2: rgba(255, 255, 255, 0.5);
  --ink-3: rgba(255, 255, 255, 0.25);
  --rule: rgba(255, 255, 255, 0.16);
  --rule-2: rgba(255, 255, 255, 0.12);

  --mint: #85ed75;
  --blue: #38bdf8;
  --violet: #845eee;
  --amber: #f3bc56;
  --rose: #fb7185;

  --sans: "Geist", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, sans-serif;
  --mono: "Geist Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  --max: 80rem;
  --gut: 1.25rem;
  --gap: 1.25rem;
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
}

@media (min-width: 768px) { :root { --gap: 2rem; } }
@media (min-width: 1024px) { :root { --gap: 4.375rem; } }

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

html { font-size: 16px; scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1rem;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

html.lenis, html.lenis body { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto !important; }

h1, h2, h3 { margin: 0; font-weight: 400; letter-spacing: -0.025em; text-wrap: balance; }
h1 { font-size: clamp(1.9rem, 3.2vw, 2.75rem); line-height: 1.05; }
h2 { font-size: clamp(1.5rem, 2.4vw, 2.25rem); line-height: 1.12; }
h3 { font-size: 1.125rem; line-height: 1.2; }

p { margin: 0 0 0.9em; }
p:last-child { margin-bottom: 0; }
a { color: inherit; }

/* Micro-lettering: uppercase mono at a quarter opacity. */
.m {
  font-family: var(--mono);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--ink-3);
}

.dim { color: var(--ink-2); }
.num { font-variant-numeric: tabular-nums; }
code { font-family: var(--mono); font-size: 0.875em; }

.wrap { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 var(--gut); }

/* Controls: square, bordered, no radius. */

.btn {
  appearance: none;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  height: 2.25rem;
  padding: 0 0.9rem;
  border: 1px solid var(--rule);
  border-radius: 0;
  background: transparent;
  color: var(--ink);
  font-family: var(--mono);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 150ms var(--ease), border-color 150ms var(--ease), color 150ms var(--ease);
}

.btn::after { content: "\203A"; font-size: 1.1em; line-height: 1; opacity: 0.6; }
.btn:hover { background: #fff; border-color: #fff; color: #0e0e0e; }
.btn-solid { background: #fff; border-color: #fff; color: #0e0e0e; }
.btn-solid:hover { background: var(--mint); border-color: var(--mint); color: #08210a; }
.btn-plain::after { content: none; }
.btn[data-copied="true"] { background: var(--mint); border-color: var(--mint); color: #08210a; }

.row { display: flex; flex-wrap: wrap; gap: 0.5rem; }

:focus-visible { outline: 1px solid var(--mint); outline-offset: 2px; }

.up { opacity: 0; transform: translateY(8px); transition: opacity 500ms var(--ease), transform 500ms var(--ease); }
.up.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .up { opacity: 1; transform: none; transition: none; }
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}