/* ATHENA — product site. A dark "intelligence console for company memory".
   Serious, operational, evidence-first. One accent (antique gold) on near-black,
   functional status colors for the trust mechanics. Inter + JetBrains Mono.
   Rebuilt 2026-06-14 from David's product critique (retired the Alexandria 3D site). */

:root {
  --bg:        #0a0b0e;
  --bg-2:      #0e1014;
  --surface:   #14161c;
  --surface-2: #181b22;
  --surface-3: #1f232b;
  --border:    #262b34;
  --border-2:  #313742;
  --line-soft: #1c2028;

  --text:   #ECEEF1;
  --dim:    #A6ADB8;
  --faint:  #6E757F;

  --gold:      #C9A24A;
  --gold-2:    #E0BE64;
  --gold-dim:  #8f7233;
  --gold-bg:   rgba(201,162,74,.12);

  --ok:     #5FBF8E;   --ok-bg:  rgba(95,191,142,.12);  --ok-bd: rgba(95,191,142,.3);
  --warn:   #D9A441;   --warn-bg:rgba(217,164,65,.12);  --warn-bd:rgba(217,164,65,.32);
  --refuse: #DC6A4A;   --refuse-bg:rgba(220,106,74,.12);--refuse-bd:rgba(220,106,74,.34);

  --sans: 'Inter', system-ui, -apple-system, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace;

  --maxw: 1140px;
  --radius: 12px;
  --radius-sm: 8px;
  --ease: cubic-bezier(.22,.61,.36,1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0; color: var(--text); font-family: var(--sans);
  font-size: 16px; line-height: 1.6; letter-spacing: -0.011em;
  background: var(--bg);
  background-image:
    radial-gradient(1100px 620px at 78% -8%, rgba(201,162,74,.08), transparent 60%),
    radial-gradient(900px 600px at 10% 4%, rgba(70,90,120,.06), transparent 55%);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
}
::selection { background: rgba(201,162,74,.26); color: #fff; }
a { color: inherit; text-decoration: none; }
h1, h2, h3 { letter-spacing: -0.025em; line-height: 1.1; margin: 0; font-weight: 600; }
p { margin: 0; }
img, svg { display: block; }

/* subtle grid texture overlay */
body::before {
  content: ""; position: fixed; inset: 0; z-index: 0; pointer-events: none; opacity: .5;
  background-image: linear-gradient(rgba(255,255,255,.014) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.014) 1px, transparent 1px);
  background-size: 46px 46px;
  -webkit-mask-image: radial-gradient(120% 90% at 50% 0%, #000 35%, transparent 80%);
  mask-image: radial-gradient(120% 90% at 50% 0%, #000 35%, transparent 80%);
}
main, .nav, .foot { position: relative; z-index: 1; }

/* ---------------- shared ---------------- */
.eyebrow { font-family: var(--mono); font-size: .72rem; letter-spacing: .16em; text-transform: uppercase; color: var(--gold); display: inline-block; margin-bottom: 1rem; }
.ok { color: var(--ok); } .mono { font-family: var(--mono); }

.btn {
  display: inline-flex; align-items: center; gap: .5em; cursor: pointer;
  font-family: var(--sans); font-size: .94rem; font-weight: 500; letter-spacing: -.01em;
  padding: .72em 1.25em; border-radius: var(--radius-sm); border: 1px solid transparent;
  transition: background .18s var(--ease), border-color .18s var(--ease), transform .18s var(--ease), color .18s var(--ease);
}
.btn--primary { background: var(--gold); color: #1a1407; border-color: var(--gold); font-weight: 600; }
.btn--primary:hover { background: var(--gold-2); transform: translateY(-1px); }
.btn--ghost { background: transparent; color: var(--text); border-color: var(--border-2); }
.btn--ghost:hover { background: var(--surface-2); border-color: var(--gold-dim); }
.btn--sm { padding: .5em .9em; font-size: .86rem; }
.btn--lg { padding: .85em 1.5em; font-size: 1rem; }

.badge {
  display: inline-flex; align-items: center; gap: .4em;
  font-family: var(--mono); font-size: .68rem; letter-spacing: .02em;
  padding: .32em .6em; border-radius: 5px; border: 1px solid var(--border-2); color: var(--dim);
}
.badge--ok { background: var(--ok-bg); border-color: var(--ok-bd); color: var(--ok); }
.badge--warn { background: var(--warn-bg); border-color: var(--warn-bd); color: var(--warn); }
.badge--refuse { background: var(--refuse-bg); border-color: var(--refuse-bd); color: var(--refuse); }

/* ---------------- nav ---------------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  padding: .85rem clamp(1rem, 4vw, 2.4rem);
  background: rgba(10,11,14,.7); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent; transition: border-color .3s, background .3s;
}
.nav.is-stuck { border-bottom-color: var(--border); background: rgba(10,11,14,.86); }
.brand { display: inline-flex; align-items: center; gap: .55rem; color: var(--text); }
.brand__mark { width: 26px; height: 22px; color: var(--gold); }
.brand__mark svg { width: 100%; height: 100%; }
.brand__word { font-size: 1.06rem; font-weight: 600; letter-spacing: -.02em; }
.nav__links { display: flex; align-items: center; gap: clamp(1rem, 2.4vw, 2rem); }
.nav__links a:not(.btn) { color: var(--dim); font-size: .9rem; font-weight: 450; transition: color .18s; }
.nav__links a:not(.btn):hover { color: var(--text); }
@media (max-width: 720px) { .nav__links a:not(.btn) { display: none; } }

/* ---------------- layout ---------------- */
.section { max-width: var(--maxw); margin: 0 auto; padding: clamp(4rem, 9vw, 7rem) clamp(1.2rem, 4vw, 2rem); }
.section--alt { max-width: none; background: var(--bg-2); border-top: 1px solid var(--line-soft); border-bottom: 1px solid var(--line-soft); }
.section--alt > * { max-width: var(--maxw); margin-left: auto; margin-right: auto; }
.section__head { max-width: 720px; margin-bottom: 2.6rem; }
.section__head h2 { font-size: clamp(1.7rem, 3.4vw, 2.5rem); }
.section__sub { color: var(--dim); font-size: 1.06rem; margin-top: 1rem; max-width: 60ch; }

/* ---------------- hero ---------------- */
.hero {
  max-width: var(--maxw); margin: 0 auto;
  padding: clamp(3rem, 7vw, 5.5rem) clamp(1.2rem, 4vw, 2rem) clamp(3rem, 6vw, 5rem);
  display: grid; grid-template-columns: 1.02fr 1.1fr; gap: clamp(2rem, 5vw, 4.5rem); align-items: center;
}
.hero__title { font-size: clamp(2.3rem, 4.6vw, 3.6rem); font-weight: 600; letter-spacing: -.035em; }
.hero__title em { font-style: normal; color: var(--gold); }
.hero__lead { color: var(--dim); font-size: 1.12rem; margin-top: 1.4rem; max-width: 48ch; }
.hero__cta { display: flex; gap: .75rem; flex-wrap: wrap; margin-top: 2rem; }
.trustline { list-style: none; margin: 2rem 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: 1.1rem 1.5rem; }
.trustline li { font-family: var(--mono); font-size: .76rem; color: var(--faint); position: relative; padding-left: 1.1rem; }
.trustline li::before { content: ""; position: absolute; left: 0; top: 50%; width: 5px; height: 5px; border-radius: 50%; background: var(--gold); transform: translateY(-50%); }
@media (max-width: 880px) { .hero { grid-template-columns: 1fr; gap: 2.4rem; } .hero__panel { order: 2; } }

/* ---------------- the console (product UI) ---------------- */
.console {
  background: linear-gradient(180deg, var(--surface), var(--bg-2));
  border: 1px solid var(--border); border-radius: var(--radius);
  box-shadow: 0 40px 80px -40px rgba(0,0,0,.8), 0 1px 0 rgba(255,255,255,.04) inset;
  overflow: hidden;
}
.console--live { max-width: 760px; }
.console__bar {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding: .7rem 1rem; border-bottom: 1px solid var(--line-soft); background: rgba(255,255,255,.015);
}
.console__live { display: inline-flex; align-items: center; gap: .55rem; font-family: var(--mono); font-size: .74rem; color: var(--dim); }
.console__dot { width: 7px; height: 7px; border-radius: 50%; background: var(--ok); box-shadow: 0 0 0 3px var(--ok-bg); }
.console__key, .console__meta { font-family: var(--mono); font-size: .68rem; color: var(--faint); }
.console__ask { display: flex; align-items: center; gap: .75rem; padding: 1rem 1.1rem; }
.console__ask--static { border-bottom: 1px solid var(--line-soft); }
.console__prompt { flex: 1; font-size: 1rem; color: var(--text); }
.console__send { font-family: var(--mono); font-size: .76rem; color: #1a1407; background: var(--gold); padding: .38em .8em; border-radius: 6px; }

.answer { padding: 1.2rem 1.3rem 1.4rem; }
.answer__k { font-family: var(--mono); font-size: .66rem; letter-spacing: .14em; text-transform: uppercase; color: var(--faint); }
.answer__k--sources { display: block; margin: 1.2rem 0 .6rem; }
.answer__text { font-size: 1.04rem; line-height: 1.55; margin-top: .5rem; color: var(--text); }
.srclist { list-style: none; margin: 0; padding: 0; display: grid; gap: .5rem; }
.srclist li { display: flex; align-items: center; gap: .6rem; font-family: var(--mono); font-size: .8rem; color: var(--dim); }
.src__ic { width: 18px; height: 18px; display: inline-grid; place-items: center; border: 1px solid var(--border-2); border-radius: 5px; color: var(--gold); font-size: .72rem; flex: none; }
.badges { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: 1.2rem; }

/* the live demo answer (rendered by oracle.js) */
.oracle__chips { display: flex; flex-wrap: wrap; gap: .5rem; padding: 1.1rem 1.1rem .4rem; }
.oracle__chip {
  font-family: var(--mono); font-size: .76rem; cursor: pointer; color: var(--dim);
  background: var(--surface-2); border: 1px solid var(--border); border-radius: 7px; padding: .5em .8em;
  transition: border-color .18s, color .18s, background .18s;
}
.oracle__chip:hover { color: var(--text); border-color: var(--gold-dim); background: var(--surface-3); }
.oracle__ask { display: flex; gap: .6rem; padding: .6rem 1.1rem 1.1rem; }
.oracle__input { flex: 1; font-family: var(--sans); font-size: 1rem; color: var(--text); background: var(--bg); border: 1px solid var(--border-2); border-radius: var(--radius-sm); padding: .75em .9em; }
.oracle__input::placeholder { color: var(--faint); }
.oracle__input:focus { outline: none; border-color: var(--gold-dim); box-shadow: 0 0 0 3px var(--gold-bg); }
.oracle__answer { margin: 0 1.1rem 1.1rem; padding: 1.1rem; min-height: 4rem; background: var(--bg); border: 1px solid var(--line-soft); border-radius: var(--radius-sm); }
.oracle__hint { font-family: var(--mono); font-size: .8rem; color: var(--faint); margin: 0; line-height: 1.5; }
.oracle__q { font-size: .95rem; color: var(--dim); margin: 0 0 .7rem; }
.oracle__q::before { content: "› "; color: var(--gold); }
.oracle__divider { display: none; }
.oracle__a { font-size: 1.04rem; line-height: 1.55; color: var(--text); margin: 0 0 .9rem; }
.caret { display: inline-block; width: .5ch; color: var(--gold); animation: caret 1s steps(2) infinite; }
@keyframes caret { 50% { opacity: 0; } }
.oracle__meta { list-style: none; margin: .6rem 0 0; padding: 0; display: grid; gap: .45rem; }
.oracle__meta li { display: flex; align-items: center; gap: .55rem; font-family: var(--mono); font-size: .78rem; color: var(--dim); opacity: 0; transform: translateX(-5px); transition: opacity .4s, transform .4s; }
.oracle__meta li::before { content: "◆"; color: var(--gold); font-size: .7rem; }
.oracle__meta li.is-in { opacity: 1; transform: none; }
.oracle__seal { display: inline-flex; align-items: center; gap: .4em; margin: 0 1.1rem 1.2rem; font-family: var(--mono); font-size: .68rem; letter-spacing: .04em; padding: .4em .75em; border-radius: 5px; opacity: 0; transform: translateY(4px); transition: opacity .4s, transform .4s; }
.oracle__seal.is-in { opacity: 1; transform: none; }
.oracle__seal--cited { background: var(--ok-bg); color: var(--ok); border: 1px solid var(--ok-bd); }
.oracle__seal--declined { background: var(--refuse-bg); color: var(--refuse); border: 1px solid var(--refuse-bd); }
.oracle__statusline { display: none; }
@media (max-width: 540px) { .oracle__ask { flex-direction: column; } }

/* ---------------- problem / mini cards ---------------- */
.cols-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; }
@media (max-width: 800px) { .cols-3 { grid-template-columns: 1fr; } }
.mini { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.5rem; }
.mini h3 { font-size: 1.08rem; margin-bottom: .55rem; }
.mini p { color: var(--dim); font-size: .96rem; }

/* ---------------- steps ---------------- */
.steps { list-style: none; margin: 0; padding: 0; display: grid; gap: 1px; background: var(--border); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.steps li { display: flex; gap: 1.2rem; padding: 1.4rem 1.6rem; background: var(--surface); align-items: flex-start; }
.steps__n { font-family: var(--mono); font-size: .9rem; color: var(--gold); padding-top: .15rem; min-width: 2ch; }
.steps li h3 { font-size: 1.1rem; margin-bottom: .3rem; }
.steps li p { color: var(--dim); font-size: .96rem; }
@media (min-width: 880px) { .steps { grid-template-columns: 1fr 1fr; } .steps li:last-child { grid-column: 1 / -1; } }

/* ---------------- memory object ---------------- */
.memory-wrap { display: grid; grid-template-columns: 1.5fr 1fr; gap: 2rem; align-items: start; }
@media (max-width: 800px) { .memory-wrap { grid-template-columns: 1fr; } }
.memory-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.4rem 1.5rem; }
.memory-card__top { display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin-bottom: 1rem; }
.memory-card__id { font-family: var(--mono); font-size: .72rem; color: var(--faint); }
.memory-card__tabs { display: flex; gap: .4rem; margin-bottom: 1.1rem; }
.memory-card__tabs button { font-family: var(--mono); font-size: .72rem; cursor: pointer; color: var(--dim); background: transparent; border: 1px solid var(--border-2); border-radius: 6px; padding: .35em .8em; }
.memory-card__tabs button[aria-selected="true"] { background: var(--surface-3); color: var(--text); border-color: var(--border-2); }
.memory-card__claim { font-size: 1.16rem; line-height: 1.5; color: var(--text); margin: 0 0 1.3rem; }
.meta-grid { margin: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 1rem 1.4rem; }
.meta-grid dt { font-family: var(--mono); font-size: .66rem; letter-spacing: .1em; text-transform: uppercase; color: var(--faint); margin-bottom: .25rem; }
.meta-grid dd { margin: 0; font-size: .94rem; color: var(--text); }
.memory-card pre { margin: 0; background: var(--bg); border: 1px solid var(--line-soft); border-radius: var(--radius-sm); padding: 1rem; overflow: auto; }
.memory-card code { font-family: var(--mono); font-size: .78rem; line-height: 1.5; color: var(--gold-2); white-space: pre; }
.memory-aside p { color: var(--dim); font-size: 1rem; margin-bottom: 1rem; }

/* ---------------- use cases ---------------- */
.usecase { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.5rem; display: flex; flex-direction: column; gap: .8rem; }
.usecase__tag { font-family: var(--mono); font-size: .66rem; letter-spacing: .1em; text-transform: uppercase; color: var(--gold); }
.usecase__q { font-size: 1.06rem; font-weight: 500; color: var(--text); line-height: 1.4; }
.usecase__a { color: var(--dim); font-size: .94rem; margin-top: auto; }

/* ---------------- trust states ---------------- */
.states { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; }
@media (max-width: 880px) { .states { grid-template-columns: 1fr; } }
.state { background: var(--surface); border: 1px solid var(--border); border-left-width: 3px; border-radius: var(--radius); padding: 1.4rem 1.5rem; }
.state--ok { border-left-color: var(--ok); }
.state--warn { border-left-color: var(--warn); }
.state--refuse { border-left-color: var(--refuse); }
.state__head { display: flex; align-items: center; gap: .55rem; font-family: var(--mono); font-size: .78rem; letter-spacing: .04em; margin-bottom: 1rem; }
.state--ok .state__head { color: var(--ok); } .state--warn .state__head { color: var(--warn); } .state--refuse .state__head { color: var(--refuse); }
.state__ic { width: 22px; height: 22px; display: inline-grid; place-items: center; border-radius: 6px; font-size: .8rem; }
.state--ok .state__ic { background: var(--ok-bg); } .state--warn .state__ic { background: var(--warn-bg); } .state--refuse .state__ic { background: var(--refuse-bg); }
.state__q { font-size: .98rem; font-weight: 500; margin-bottom: .5rem; }
.state__a { color: var(--dim); font-size: .92rem; margin-bottom: 1rem; }
.state__route { font-family: var(--mono); font-size: .76rem; color: var(--dim); display: flex; flex-direction: column; gap: .7rem; align-items: flex-start; }
.state__route strong { color: var(--text); font-weight: 600; }

/* ---------------- cta ---------------- */
.cta { max-width: var(--maxw); margin: 0 auto; padding: clamp(2rem,5vw,4rem) clamp(1.2rem,4vw,2rem) clamp(5rem,9vw,7rem); }
.cta__inner {
  background: linear-gradient(160deg, var(--surface-2), var(--bg-2));
  border: 1px solid var(--border); border-radius: 16px; padding: clamp(2.2rem, 5vw, 4rem); text-align: center;
  background-image: radial-gradient(700px 300px at 50% -20%, rgba(201,162,74,.12), transparent 60%);
}
.cta__inner h2 { font-size: clamp(1.8rem, 3.6vw, 2.6rem); max-width: 18ch; margin: 0 auto; }
.cta__sub { color: var(--dim); font-size: 1.06rem; margin: 1.2rem auto 0; max-width: 56ch; }
.cta__actions { display: flex; gap: .8rem; justify-content: center; flex-wrap: wrap; margin-top: 2rem; }
.cta__run { margin-top: 1.8rem; display: flex; flex-wrap: wrap; gap: .7rem; align-items: center; justify-content: center; font-family: var(--mono); font-size: .76rem; color: var(--faint); }
.run { font-family: var(--mono); font-size: .82rem; cursor: pointer; color: var(--gold-2); background: var(--bg); border: 1px solid var(--border-2); border-radius: 7px; padding: .55em .85em; }
.run__p { color: var(--gold); } .run__c { color: var(--faint); margin-left: .5em; text-transform: uppercase; font-size: .62rem; letter-spacing: .1em; }
.run.copied .run__c::after { content: " ✓"; color: var(--ok); }

/* ---------------- footer ---------------- */
.foot { border-top: 1px solid var(--border); background: var(--bg-2); }
.foot__inner { max-width: var(--maxw); margin: 0 auto; padding: 3rem clamp(1.2rem,4vw,2rem); display: grid; gap: 1.6rem; }
.foot__brand { display: flex; align-items: center; gap: .55rem; flex-wrap: wrap; }
.foot__brand .brand__mark { width: 24px; height: 20px; color: var(--gold); }
.foot__brand .brand__word { font-weight: 600; }
.foot__brand p { color: var(--faint); font-size: .9rem; margin-left: .4rem; }
.foot__nav { display: flex; flex-wrap: wrap; gap: 1.4rem; }
.foot__nav a { color: var(--dim); font-size: .88rem; }
.foot__nav a:hover { color: var(--gold-2); }
.foot__meta { color: var(--faint); font-size: .82rem; font-family: var(--mono); }

/* ---------------- reveal on scroll ---------------- */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } }

/* ===================== FORM (design-partners) ===================== */
.dpform { margin-top: 1.6rem; max-width: 620px; }
.dpform__progress { font-family: var(--mono); font-size: .68rem; letter-spacing: .06em; text-transform: uppercase; color: var(--faint); display: flex; align-items: center; gap: .9rem; margin: 0 0 1.4rem; }
.dpform__progressbar { flex: 1; height: 2px; background: var(--border); position: relative; overflow: hidden; border-radius: 2px; }
.dpform__progressbar > span { position: absolute; inset: 0; background: var(--gold); transform-origin: left; transform: scaleX(.5); transition: transform .4s var(--ease); }
.dpform__row { display: grid; gap: .45rem; margin-bottom: 1.1rem; }
.dpform__row > label { font-family: var(--mono); font-size: .68rem; letter-spacing: .04em; text-transform: uppercase; color: var(--dim); }
.dpform input, .dpform textarea, .dpform select { font-family: var(--sans); font-size: 1rem; padding: .72em .85em; border: 1px solid var(--border-2); border-radius: var(--radius-sm); background: var(--bg); color: var(--text); width: 100%; }
.dpform textarea { resize: vertical; }
.dpform input:focus, .dpform textarea:focus, .dpform select:focus { outline: none; border-color: var(--gold-dim); box-shadow: 0 0 0 3px var(--gold-bg); }
.dpform__row--radio .dpform__legend { font-family: var(--mono); font-size: .68rem; letter-spacing: .04em; text-transform: uppercase; color: var(--dim); display: block; margin-bottom: .6rem; }
.dpform__radios { display: flex; gap: 1.4rem; }
.dpform__radios label { display: inline-flex; gap: .45rem; align-items: center; font-size: 1rem; color: var(--text); }
.dpform__radios input { width: auto; }
.optional { color: var(--faint); text-transform: none; }
.dpform__hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.dpform__nav { display: flex; justify-content: space-between; gap: .8rem; margin-top: 1.2rem; }
.dpform__note { font-family: var(--mono); font-size: .68rem; color: var(--faint); margin-top: 1.2rem; }
.dpform__status { font-family: var(--mono); font-size: .82rem; margin-top: .9rem; }
.dpform__status.is-error { color: var(--refuse); }
.dpform__status.is-ok { color: var(--ok); }

/* ===================== PROSE (method) ===================== */
.prose { max-width: 720px; margin: 0 auto; }
.prose p { color: var(--dim); font-size: 1.08rem; line-height: 1.7; margin: 0 0 1.3rem; }
.prose p strong, .prose strong { color: var(--text); font-weight: 600; }
.prose h2 { font-size: 1.5rem; margin: 2.6rem 0 1rem; }
.prose .lead { font-size: 1.2rem; color: var(--text); }
.prose .doctrine { counter-reset: d; list-style: none; margin: 1.4rem 0; padding: 0; display: grid; gap: 1.1rem; }
.prose .doctrine li { position: relative; padding-left: 2.6rem; color: var(--dim); font-size: 1.04rem; line-height: 1.6; }
.prose .doctrine li::before { counter-increment: d; content: "0" counter(d); position: absolute; left: 0; top: .1rem; font-family: var(--mono); font-size: .85rem; color: var(--gold); }
.prose .signature { margin-top: 2.6rem; font-family: var(--mono); font-size: .82rem; color: var(--faint); }
.prose .signature strong { color: var(--text); display: block; font-family: var(--sans); font-size: 1.05rem; margin-bottom: .2rem; }
.pagehead { max-width: 720px; margin: 0 auto clamp(2rem,5vw,3.5rem); }
.pagehead h1 { font-size: clamp(2.1rem, 4.4vw, 3.2rem); letter-spacing: -.035em; }
.pagehead h1 em { font-style: normal; color: var(--gold); }
.pagehead .epigraph { color: var(--faint); font-size: 1rem; border-left: 2px solid var(--gold-dim); padding-left: 1rem; margin-top: 1.6rem; font-style: italic; }
.pagehead .epigraph cite { display: block; font-style: normal; font-family: var(--mono); font-size: .68rem; text-transform: uppercase; letter-spacing: .08em; margin-top: .5rem; }

/* charter give/ask + fit on design-partners */
.duo { display: grid; grid-template-columns: 1fr 1fr; gap: 1.6rem; margin: 1.6rem 0; }
@media (max-width: 640px) { .duo { grid-template-columns: 1fr; } }
.duo__col { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.5rem; }
.duo__col h3 { font-family: var(--mono); font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; margin-bottom: 1rem; color: var(--gold); }
.duo__col.is-yes h3 { color: var(--ok); } .duo__col.is-no h3 { color: var(--refuse); }
.duo__col ul { list-style: none; margin: 0; padding: 0; display: grid; gap: .8rem; }
.duo__col li { color: var(--dim); font-size: .96rem; line-height: 1.5; padding-left: 1.4rem; position: relative; }
.duo__col li::before { content: "—"; position: absolute; left: 0; color: var(--gold-dim); }
.duo__col.is-yes li::before { content: "✓"; color: var(--ok); }
.duo__col.is-no li::before { content: "✕"; color: var(--refuse); }