/* Landing — directory era, visual rebuild 2026-08-09.
   Brand tokens only: cream #f5efe6 · warm scale (#f7f3ed→#665c53) · gold (#f5e6be→#ddb862)
   Figtree body · DM Serif Display display · system mono for the machine's voice. */

:root {
  --cream: #f5efe6;
  --warm-100: #f7f3ed;
  --warm-200: #ede6db;
  --warm-300: #ddd2c3;
  --warm-400: #c5b7a5;
  --warm-500: #ad9d89;
  --warm-700: #857766;
  --warm-800: #7b6f60;
  --warm-950: #665c53;
  --gold-300: #f5e6be;
  --gold-500: #ebd298;
  --gold-600: #e5c680;
  --gold-700: #ddb862;
  --mono: ui-monospace, "SF Mono", "Cascadia Code", Consolas, "Liberation Mono", monospace;
}

.ld { color: var(--warm-950); background: var(--cream); }
.ld section { border-bottom: 1px solid var(--warm-200); }
.ld-wrap { max-width: 76rem; margin: 0 auto; padding: 0 1.5rem; }

.ld-eyebrow {
  font-family: var(--mono); font-size: .72rem; letter-spacing: .18em;
  text-transform: uppercase; color: var(--warm-700);
}

/* ── HERO: human asks / machine answers ── */
.ld-hero { background: var(--cream); }
.ld-hero-grid {
  display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: 3.5rem; align-items: center; padding: 5.5rem 0 4.5rem;
}
.ld-hero h1 {
  font-size: clamp(2.4rem, 5.2vw, 4.2rem); line-height: 1.04; margin: 1.2rem 0 1.6rem;
}
.ld-hero h1 em { font-style: italic; color: var(--warm-700); }
.ld-hero-lede { font-size: 1.16rem; line-height: 1.65; color: var(--warm-800); max-width: 34rem; }
.ld-hero-lede strong { color: var(--warm-950); }
.ld-hero-lede + .ld-hero-lede { margin-top: .9rem; }
.ld-ctas { display: flex; flex-wrap: wrap; gap: .9rem; margin-top: 2rem; }
.ld-ctas-center { justify-content: center; }
.ld-btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: .95rem 1.9rem; border-radius: .55rem; font-weight: 600;
  transition: background .15s, color .15s;
}
.ld-btn-solid { background: var(--warm-950); color: var(--cream); }
.ld-btn-solid:hover { background: var(--warm-800); }
.ld-btn-line { border: 2px solid var(--warm-950); color: var(--warm-950); }
.ld-btn-line:hover { background: var(--warm-950); color: var(--cream); }
.ld-hero-links { margin-top: 1.4rem; font-size: .9rem; color: var(--warm-700); }
.ld-hero-links a { text-decoration: underline; text-underline-offset: 3px; }
.ld-hero-links a:hover { color: var(--warm-950); }

/* The signature: a real fetch, in the machine's voice. */
.ld-terminal {
  background: var(--warm-950); color: var(--warm-200);
  border-radius: .8rem; overflow: hidden;
  box-shadow: 0 24px 48px -20px rgba(102, 92, 83, .55);
  font-family: var(--mono); font-size: .82rem; line-height: 1.75;
}
.ld-terminal-bar {
  display: flex; justify-content: space-between; align-items: center;
  padding: .6rem 1.1rem; background: rgba(247, 243, 237, .08);
  font-size: .7rem; letter-spacing: .08em; color: var(--warm-400);
}
.ld-terminal-bar .who { color: var(--gold-500); }
.ld-terminal-body { padding: 1.1rem 1.3rem 1.3rem; white-space: pre; overflow-x: auto; }
.ld-terminal-body .k { color: var(--gold-500); }
.ld-terminal-body .v { color: var(--cream); }
.ld-terminal-body .c { color: var(--warm-500); }
.ld-terminal-body .ln { display: block; }
.ld-terminal-foot {
  padding: .55rem 1.3rem .9rem; font-size: .72rem; color: var(--warm-400);
}
.ld-terminal-foot a { color: var(--gold-500); text-decoration: underline; text-underline-offset: 3px; }
.ld-cursor {
  display: inline-block; width: .55em; height: 1.05em; vertical-align: text-bottom;
  background: var(--gold-500); animation: ld-blink 1.1s steps(1) infinite;
}
@keyframes ld-blink { 50% { opacity: 0; } }
.ldjs .ld-typing .ln { opacity: 0; }
.ldjs .ld-typing .ln.on { opacity: 1; }

/* ── SPECTRUM: archetypes laid out by measured energy ── */
.ld-spectrum { background: var(--warm-100); }
.ld-spectrum-inner { padding: 3.5rem 0 3.8rem; }
.ld-spectrum h2 { font-size: clamp(1.5rem, 2.6vw, 2.1rem); margin-top: .9rem; }
.ld-spectrum-note { color: var(--warm-700); font-size: .95rem; margin-top: .5rem; max-width: 44rem; }
.ld-band {
  display: flex; gap: .45rem; align-items: flex-end; margin-top: 2.4rem;
  overflow-x: auto; padding-bottom: 1rem;
}
.ld-arch { flex: 1 1 0; min-width: 5.4rem; text-align: center; }
.ld-arch-bar {
  margin: 0 auto; width: 100%; max-width: 4.6rem; border-radius: .35rem .35rem 0 0;
  background: linear-gradient(180deg, var(--gold-600), var(--gold-700));
  border: 1px solid var(--warm-400); border-bottom: 2px solid var(--warm-950);
}
.ld-arch-energy { font-family: var(--mono); font-size: .72rem; color: var(--warm-700); margin-bottom: .35rem; }
.ld-arch-name { font-size: .78rem; font-weight: 600; margin-top: .55rem; line-height: 1.25; }
.ld-arch-count { font-family: var(--mono); font-size: .72rem; color: var(--warm-700); margin-top: .15rem; }
.ld-band-scale {
  display: flex; justify-content: space-between; margin-top: .4rem;
  font-family: var(--mono); font-size: .72rem; letter-spacing: .12em;
  text-transform: uppercase; color: var(--warm-500);
}

/* ── LEDGER: found ‖ registered ── */
.ld-ledger { background: var(--cream); }
.ld-ledger-inner { padding: 4.5rem 0; }
.ld-ledger h2 { font-size: clamp(1.7rem, 3vw, 2.5rem); margin-top: .9rem; max-width: 40rem; }
.ld-ledger-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 0; margin-top: 2.6rem;
  border: 1px solid var(--warm-300); border-radius: .8rem; overflow: hidden;
  background: var(--warm-100);
}
.ld-tier { padding: 2.2rem 2.4rem 2.5rem; }
.ld-tier + .ld-tier { border-left: 1px solid var(--warm-300); background: #fff; }
.ld-tier-tag {
  display: inline-block; font-family: var(--mono); font-size: .72rem;
  letter-spacing: .16em; text-transform: uppercase; padding: .3rem .7rem;
  border-radius: 999px; border: 1px solid var(--warm-400); color: var(--warm-700);
}
.ld-tier + .ld-tier .ld-tier-tag { background: var(--gold-300); border-color: var(--gold-700); color: var(--warm-950); }
.ld-tier h3 { font-size: 1.45rem; margin: 1rem 0 .8rem; }
.ld-tier p { color: var(--warm-800); line-height: 1.65; }
.ld-tier ul { margin-top: 1.1rem; display: grid; gap: .45rem; }
.ld-tier li { padding-left: 1.2rem; position: relative; color: var(--warm-800); font-size: .95rem; }
.ld-tier li::before { content: "→"; position: absolute; left: 0; color: var(--gold-700); }
.ld-tier-cta { margin-top: 1.4rem; display: inline-block; font-weight: 600; text-decoration: underline; text-underline-offset: 3px; }

/* ── SEQUENCE ── */
.ld-seq { background: var(--warm-100); }
.ld-seq-inner { padding: 4.2rem 0; }
.ld-seq h2 { font-size: clamp(1.7rem, 3vw, 2.4rem); margin-top: .9rem; }
.ld-steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.4rem; margin-top: 2.4rem; }
.ld-step { border-top: 2px solid var(--warm-950); padding-top: 1.1rem; }
.ld-step-num { font-family: var(--mono); font-size: .78rem; color: var(--warm-700); }
.ld-step h3 { font-size: 1.2rem; margin: .5rem 0 .5rem; }
.ld-step p { color: var(--warm-800); font-size: .95rem; line-height: 1.6; }

/* ── VIDEO (kept, quiet) ── */
.ld-video { background: var(--cream); }
.ld-video-inner { padding: 4.2rem 0; }
.ld-video h2 { font-size: clamp(1.6rem, 2.8vw, 2.2rem); margin-top: .9rem; }
.ld-video-frame {
  position: relative; margin-top: 2rem; aspect-ratio: 16 / 9;
  border-radius: .8rem; overflow: hidden; background: var(--warm-950);
  box-shadow: 0 24px 48px -24px rgba(102, 92, 83, .5);
}
.ld-video-ph { position: absolute; inset: 0; display: grid; place-items: center; gap: 1rem; transition: opacity .3s; }
.ld-video-ph .logo { font-family: "DM Serif Display", Georgia, serif; color: var(--cream); font-size: 1.6rem; }
.ld-play {
  width: 4.4rem; height: 4.4rem; border-radius: 999px; background: var(--gold-600);
  display: grid; place-items: center; cursor: pointer; border: 0;
  transition: transform .15s, background .15s;
}
.ld-play:hover { transform: scale(1.06); background: var(--gold-500); }
.ld-play svg { width: 1.6rem; height: 1.6rem; fill: var(--warm-950); margin-left: .2rem; }

/* ── MACHINES STRIP ── */
.ld-machines { background: var(--warm-950); color: var(--warm-200); border-bottom: 0; }
.ld-machines-inner { padding: 4rem 0 4.4rem; }
.ld-machines .ld-eyebrow { color: var(--gold-500); }
.ld-machines h2 { color: var(--cream); font-size: clamp(1.6rem, 2.8vw, 2.2rem); margin-top: .9rem; }
.ld-machines-note { color: var(--warm-300); max-width: 46rem; margin-top: .6rem; line-height: 1.6; }
.ld-endpoints { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; margin-top: 2.2rem; }
.ld-endpoint {
  border: 1px solid rgba(247, 243, 237, .18); border-radius: .7rem; padding: 1.3rem 1.4rem;
  background: rgba(247, 243, 237, .05);
}
.ld-endpoint code { font-family: var(--mono); font-size: .86rem; color: var(--gold-500); }
.ld-endpoint p { margin-top: .6rem; font-size: .88rem; line-height: 1.6; color: var(--warm-300); }
.ld-machines-foot { margin-top: 1.8rem; font-family: var(--mono); font-size: .76rem; color: var(--warm-400); }

/* ── PROOF ── */
.ld-proof { background: var(--cream); }
.ld-proof-inner {
  display: grid; grid-template-columns: minmax(0, 3fr) minmax(0, 1fr);
  gap: 2.5rem; align-items: center; padding: 4rem 0;
}
.ld-proof h3 { font-size: 1.6rem; }
.ld-proof p { color: var(--warm-800); margin-top: .8rem; line-height: 1.65; max-width: 38rem; }
.ld-proof a { font-weight: 600; text-decoration: underline; text-underline-offset: 3px; }
.ld-proof-score {
  text-align: center; background: var(--warm-100); border: 1px solid var(--warm-300);
  border-radius: .8rem; padding: 1.8rem 1.4rem;
}
.ld-proof-score .n { font-family: "DM Serif Display", Georgia, serif; font-size: 3.4rem; line-height: 1; }
.ld-proof-score .l { font-size: .82rem; color: var(--warm-700); margin-top: .4rem; }
.ld-proof-score .t {
  display: inline-block; margin-top: .8rem; font-family: var(--mono); font-size: .7rem;
  letter-spacing: .12em; text-transform: uppercase; background: var(--gold-300);
  border: 1px solid var(--gold-700); border-radius: 999px; padding: .3rem .8rem;
}

/* ── CTA ── */
.ld-cta { background: var(--warm-100); text-align: center; }
.ld-cta-inner { padding: 4.5rem 0 5rem; max-width: 44rem; margin: 0 auto; }
.ld-cta h2 { font-size: clamp(1.8rem, 3.4vw, 2.7rem); margin-top: .9rem; }
.ld-cta h2 em { color: var(--warm-700); }
.ld-cta-lead { color: var(--warm-800); margin-top: 1rem; line-height: 1.65; }
.ld-form { display: flex; gap: .7rem; justify-content: center; margin-top: 1.8rem; flex-wrap: wrap; }
.ld-input {
  padding: .95rem 1.2rem; border-radius: .55rem; border: 1px solid var(--warm-400);
  background: #fff; min-width: 17rem; font-family: inherit;
}
.ld-input:focus { outline: 2px solid var(--gold-700); outline-offset: 1px; }
.ld-note { font-size: .82rem; color: var(--warm-700); margin-top: .8rem; }
.ld-pill {
  display: inline-flex; gap: .6rem; align-items: center; margin-top: 1.6rem;
  font-size: .92rem; color: var(--warm-800); border: 1px solid var(--warm-300);
  background: #fff; border-radius: 999px; padding: .6rem 1.3rem;
}
.ld-pill a { text-decoration: underline; text-underline-offset: 3px; }
.ld-trial { display: inline-block; margin-top: 1.3rem; font-weight: 600; text-decoration: underline; text-underline-offset: 3px; }

/* ── Reveal on scroll (quiet) — only ever hidden when JS is present ── */
.ldjs .ld-reveal { opacity: 0; transform: translateY(14px); transition: opacity .5s ease, transform .5s ease; }
.ldjs .ld-reveal.visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .ldjs .ld-reveal { opacity: 1; transform: none; transition: none; }
  .ld-cursor { animation: none; }
  .ldjs .ld-typing .ln { opacity: 1; }
}

/* ── Responsive ── */
@media (max-width: 900px) {
  .ld-hero-grid { grid-template-columns: 1fr; gap: 2.4rem; padding: 3.5rem 0 3rem; }
  .ld-steps, .ld-endpoints { grid-template-columns: 1fr; }
  .ld-ledger-grid { grid-template-columns: 1fr; }
  .ld-tier + .ld-tier { border-left: 0; border-top: 1px solid var(--warm-300); }
  .ld-proof-inner { grid-template-columns: 1fr; }
}

/* ── READER REGISTRY (2026-08-14 audit) ── */
.ld-registry { background: var(--warm-100); }
.ld-registry-inner { padding: 4rem 0 4.2rem; }
.ld-registry h2 { font-size: clamp(1.6rem, 2.8vw, 2.3rem); margin-top: .9rem; max-width: 42rem; }
.ld-registry-note { color: var(--warm-700); font-size: .98rem; line-height: 1.65; margin-top: 1.1rem; max-width: 46rem; }

/* ── KNOWLEDGE HORIZON ── */
.ld-horizon { background: var(--cream); }
.ld-horizon-inner { padding: 4rem 0 4.2rem; }
.ld-horizon h2 { font-size: clamp(1.6rem, 2.8vw, 2.3rem); margin-top: .9rem; max-width: 42rem; }
.ld-horizon-note { color: var(--warm-700); font-size: .98rem; line-height: 1.65; margin-top: 1.1rem; max-width: 46rem; }
.ld-horizon-line { margin: 2.6rem 0 2.2rem; padding: 2.6rem 0 3rem; }
.ld-horizon-track { position: relative; height: 3px; background: var(--warm-300); border-radius: 2px; max-width: 46rem; }
.ld-horizon-mark { position: absolute; top: 50%; transform: translate(-50%, -50%); text-align: center; }
.ld-horizon-mark i { display: block; width: 11px; height: 11px; margin: 0 auto; border-radius: 50%; background: var(--warm-500); border: 2px solid var(--cream); }
.ld-horizon-mark b { display: block; font-size: .68rem; font-weight: 600; color: var(--warm-800); margin-top: .5rem; white-space: nowrap; }
.ld-horizon-mark small { display: block; font-family: var(--mono); font-size: .62rem; color: var(--warm-500); }
.ld-horizon-today i { background: var(--gold-500, #c9a13b); width: 13px; height: 13px; }
.ld-horizon-today b { color: var(--warm-950); }
@media (max-width: 640px) { .ld-horizon-mark b { transform: rotate(-38deg); transform-origin: top center; } }

/* ── AGENT READINESS + PROVENANCE CARD ── */
.ld-agents { background: var(--warm-100); }
.ld-agents-inner { padding: 4rem 0 4.2rem; }
.ld-agents h2 { font-size: clamp(1.6rem, 2.8vw, 2.3rem); margin-top: .9rem; max-width: 42rem; }
.ld-agents-note { color: var(--warm-700); font-size: .98rem; line-height: 1.65; margin-top: 1.1rem; max-width: 46rem; }
.ld-provenance-card { margin-top: 2.4rem; padding: 1.9rem 2.1rem; background: var(--cream); border: 1px solid var(--warm-300); border-radius: 10px; max-width: 46rem; }
.ld-provenance-card h3 { font-size: 1.12rem; margin-bottom: .6rem; }
.ld-provenance-card p { color: var(--warm-700); font-size: .93rem; line-height: 1.6; margin-top: .7rem; }

/* ── TERMINAL: why this hit matters ── */
.ld-terminal-why { display: block; margin-top: .55rem; font-size: .72rem; color: var(--warm-400); line-height: 1.5; }

/* Registry stat row (condensed 2026-08-14) */
.ld-registry-stats { display: flex; flex-wrap: wrap; gap: 2.2rem; margin: 1.8rem 0 .4rem; }
.ld-registry-stats b { display: block; font-family: "DM Serif Display", serif; font-size: 1.9rem; color: var(--warm-950); }
.ld-registry-stats span { font-size: .8rem; color: var(--warm-700); max-width: 11rem; display: block; }

/* Collapsible detail prose (condensed 2026-08-14) */
.ld-more { margin-top: 1rem; max-width: 46rem; }
.ld-more summary { cursor: pointer; font-size: .85rem; font-weight: 600; color: var(--warm-700); }
.ld-more summary:hover { color: var(--warm-950); }
.ld-more p { color: var(--warm-700); font-size: .9rem; line-height: 1.6; margin-top: .6rem; }

/* Cutoff chips (replaced positioned timeline, 2026-08-14) */
.ld-cutoffs { display: flex; flex-wrap: wrap; align-items: center; gap: .6rem; margin: 1.6rem 0 1.4rem; }
.ld-cutoff { display: inline-flex; align-items: baseline; gap: .45rem; padding: .45rem .8rem;
  border: 1px solid var(--warm-300); border-radius: 999px; background: var(--warm-100); }
.ld-cutoff b { font-size: .8rem; color: var(--warm-800); font-weight: 600; }
.ld-cutoff small { font-family: var(--mono); font-size: .68rem; color: var(--warm-500); }
.ld-cutoff-arrow { color: var(--warm-500); font-size: .95rem; }
.ld-cutoff-today { background: var(--gold-300); border-color: var(--gold-600); }
.ld-cutoff-today b { color: var(--warm-950); }