/* agents.london — shared identity for the vision pages.
   Palette is the product's own: the void the worlds render on, and the
   semantic hues the app already speaks (emerald asks, violet answers,
   amber calls for a human). */
:root {
  --void: #0a0e14;
  --deep: #10161f;
  --bone: #e8e3d5;
  --dim: #9aa3ad;
  --emerald: #34d399;
  --violet: #a78bfa;
  --amber: #fbbf24;
  --sky: #7dd3fc;
  --hairline: rgba(232, 227, 213, 0.14);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: var(--void);
  color: var(--bone);
  font-family: "IBM Plex Sans", system-ui, sans-serif;
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--sky); text-decoration: none; }
a:hover { text-decoration: underline; }
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--emerald); outline-offset: 3px;
}
.display {
  font-family: "Fraunces", Georgia, serif;
  font-weight: 500;
  letter-spacing: -0.015em;
  line-height: 1.08;
}
.mono { font-family: "IBM Plex Mono", ui-monospace, monospace; }

/* ---- hero ---- */
.hero { position: relative; min-height: 92vh; display: flex;
        align-items: flex-end; overflow: hidden; }
.hero canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero-inner { position: relative; z-index: 2; max-width: 60rem;
              padding: 4rem clamp(1.25rem, 6vw, 5rem) 5rem; }
.hero::after { content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 30%,
              rgba(10, 14, 20, 0.88) 78%, var(--void) 100%); }
.hero-inner { z-index: 2; }
.eyebrow { font-family: "IBM Plex Mono", monospace; font-size: 0.8rem;
           letter-spacing: 0.22em; text-transform: uppercase;
           color: var(--emerald); margin-bottom: 1.1rem; }
h1 { font-size: clamp(2.4rem, 6.5vw, 4.6rem); }
.hero p.lede { margin-top: 1.4rem; max-width: 42rem; font-size: 1.15rem;
               color: var(--dim); }
.census { margin-top: 2rem; display: flex; gap: 2.5rem; flex-wrap: wrap; }
.census div { border-left: 1px solid var(--hairline); padding-left: 1rem; }
.census .n { font-family: "IBM Plex Mono", monospace; font-size: 1.5rem;
             color: var(--bone); display: block; }
.census .l { font-size: 0.8rem; color: var(--dim);
             letter-spacing: 0.08em; text-transform: uppercase; }

/* ---- body sections ---- */
main { max-width: 60rem; margin: 0 auto;
       padding: 0 clamp(1.25rem, 6vw, 5rem); }
section { padding: 4.5rem 0 1rem; border-top: 1px solid var(--hairline); }
section:first-of-type { border-top: 0; }
h2 { font-size: clamp(1.7rem, 3.4vw, 2.4rem); margin-bottom: 1.2rem; }
section p { max-width: 44rem; color: var(--dim); margin-bottom: 1.1rem; }
section p strong { color: var(--bone); font-weight: 600; }
.tint-emerald h2 { color: var(--emerald); }
.tint-violet h2 { color: var(--violet); }
.tint-amber h2 { color: var(--amber); }
.tint-sky h2 { color: var(--sky); }

/* ---- rule cards (genome/civ pages) ---- */
.rules { display: grid; gap: 1px; background: var(--hairline);
         border: 1px solid var(--hairline); margin: 2rem 0;
         grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr)); }
.rules article { background: var(--deep); padding: 1.5rem; }
.rules h3 { font-family: "Fraunces", Georgia, serif; font-weight: 500;
            font-size: 1.15rem; margin-bottom: 0.6rem; }
.rules p { font-size: 0.95rem; margin: 0; }

/* ---- doors ---- */
.doors { display: grid; gap: 1.5rem; margin: 2.5rem 0 0;
         grid-template-columns: repeat(auto-fit, minmax(17rem, 1fr)); }
.door { display: block; border: 1px solid var(--hairline);
        background: var(--deep); padding: 2rem; color: var(--bone);
        transition: border-color 0.25s, transform 0.25s; }
.door:hover { border-color: var(--emerald); transform: translateY(-2px);
              text-decoration: none; }
.door .k { font-family: "IBM Plex Mono", monospace; font-size: 0.75rem;
           letter-spacing: 0.2em; text-transform: uppercase;
           color: var(--dim); }
.door h3 { font-family: "Fraunces", Georgia, serif; font-size: 1.6rem;
           font-weight: 500; margin: 0.5rem 0 0.6rem; }
.door p { color: var(--dim); font-size: 0.95rem; margin: 0; }

/* ---- ledger strip ---- */
.ledger { font-family: "IBM Plex Mono", monospace; font-size: 0.85rem;
          color: var(--dim); border: 1px solid var(--hairline);
          background: var(--deep); padding: 1.1rem 1.4rem;
          overflow-x: auto; white-space: pre; margin: 1.8rem 0; }
.ledger em { color: var(--emerald); font-style: normal; }

footer { max-width: 60rem; margin: 0 auto;
         padding: 4rem clamp(1.25rem, 6vw, 5rem) 3rem;
         color: var(--dim); font-size: 0.85rem;
         border-top: 1px solid var(--hairline); margin-top: 4rem;
         display: flex; gap: 2rem; flex-wrap: wrap; }
footer a { color: var(--dim); }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .door { transition: none; }
}

/* ---- hero call-to-action ---- */
.cta-row { display: flex; gap: 0.9rem; flex-wrap: wrap; margin: 2rem 0 0; }
.cta { display: inline-flex; align-items: center; gap: 0.5rem;
       font-family: "IBM Plex Sans", system-ui, sans-serif; font-weight: 600;
       font-size: 0.98rem; padding: 0.7rem 1.3rem; border-radius: 999px;
       text-decoration: none; transition: transform 0.2s, background 0.2s; }
.cta:hover { text-decoration: none; transform: translateY(-1px); }
.cta-primary { background: var(--emerald); color: #06231a; }
.cta-primary:hover { background: #4ade9f; }
.cta-ghost { border: 1px solid var(--hairline); color: var(--bone); }
.cta-ghost:hover { border-color: var(--violet); }
@media (prefers-reduced-motion: reduce) { .cta:hover { transform: none; } }