/* ===================================================================
   Engram — website styles
   Palette ties to the brand assets: ink (#14171a), paper white,
   blue (#3b6ea5, sections/concepts), orange (#e07a3a, cross-links).
   =================================================================== */

:root {
  --ink:      #14171a;
  --ink-soft: #2b3036;
  --paper:    #ffffff;
  --paper-2:  #faf9f6;   /* warm paper */
  --paper-3:  #f1efe9;
  --line:     #e4e1d8;
  --muted:    #6b7280;
  --muted-2:  #9aa3ad;
  --blue:     #3b6ea5;
  --blue-ink: #2c5681;
  --orange:   #e07a3a;
  --orange-ink:#c2632a;
  --slate:    #e8edf3;

  --maxw: 1080px;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(20,23,26,.05), 0 10px 30px rgba(20,23,26,.06);
  --shadow-lg: 0 8px 40px rgba(20,23,26,.12);

  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 72px; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--paper-2);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: var(--blue-ink); text-decoration: none; }
a:hover { text-decoration: underline; }

code, pre { font-family: var(--mono); }
code {
  font-size: .9em;
  background: var(--paper-3);
  padding: .1em .4em;
  border-radius: 5px;
  border: 1px solid var(--line);
}

/* ============================ NAV ============================ */
.nav {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; gap: 1.2rem;
  padding: .7rem clamp(1rem, 4vw, 2.4rem);
  background: rgba(250,249,246,.82);
  backdrop-filter: saturate(160%) blur(12px);
  border-bottom: 1px solid var(--line);
}
.nav__brand {
  display: flex; align-items: center; gap: .55rem;
  font-weight: 800; font-size: 1.1rem; color: var(--ink);
  letter-spacing: -.01em;
}
.nav__brand img { border-radius: 7px; }
.nav__brand:hover { text-decoration: none; }
.nav__links {
  display: flex; gap: 1.1rem; margin-left: auto;
  font-size: .92rem; flex-wrap: wrap;
}
.nav__links a { color: var(--muted); font-weight: 500; }
.nav__links a:hover { color: var(--ink); text-decoration: none; }
.nav__links a.active { color: var(--blue-ink); }
.nav__cta {
  font-weight: 600; font-size: .9rem; color: var(--ink);
  border: 1px solid var(--ink); border-radius: 999px;
  padding: .35rem .9rem; transition: .15s;
}
.nav__cta:hover { background: var(--ink); color: #fff; text-decoration: none; }

@media (max-width: 760px) {
  .nav__links { display: none; }
  .nav__cta { margin-left: auto; }
}

/* ============================ HERO ============================ */
.hero {
  position: relative;
  padding: clamp(3rem, 8vw, 6rem) clamp(1rem, 5vw, 2rem) 0;
  text-align: center;
  background:
    radial-gradient(60% 70% at 50% -10%, rgba(59,110,165,.10), transparent 70%),
    radial-gradient(40% 50% at 85% 0%, rgba(224,122,58,.08), transparent 70%);
}
.hero__inner { max-width: 820px; margin: 0 auto; }
.hero__eyebrow {
  text-transform: uppercase; letter-spacing: .16em;
  font-size: .72rem; font-weight: 700; color: var(--muted-2);
  margin: 0 0 1rem;
}
.hero__title {
  font-size: clamp(2.3rem, 6.2vw, 4rem);
  line-height: 1.05; letter-spacing: -.03em; font-weight: 820;
  margin: 0 0 1.2rem;
}
.grad {
  background: linear-gradient(95deg, var(--blue) 10%, var(--orange) 90%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero__lede {
  font-size: clamp(1.02rem, 2.2vw, 1.22rem);
  color: var(--ink-soft); max-width: 680px; margin: 0 auto 1.6rem;
}
.hero__badges {
  display: flex; gap: .6rem; justify-content: center; flex-wrap: wrap;
  margin-bottom: 1.8rem;
}
.badge {
  font-size: .82rem; font-weight: 600; color: var(--ink-soft);
  background: var(--paper); border: 1px solid var(--line);
  border-radius: 999px; padding: .4rem .85rem; box-shadow: var(--shadow);
}
.hero__cta { display: flex; gap: .7rem; justify-content: center; flex-wrap: wrap; }
.hero__by { margin-top: 1.4rem; font-size: .88rem; color: var(--muted); }

.btn {
  display: inline-block; font-weight: 600; font-size: .95rem;
  padding: .7rem 1.3rem; border-radius: 999px;
  border: 1px solid var(--line); background: var(--paper); color: var(--ink);
  box-shadow: var(--shadow); transition: transform .12s, box-shadow .15s;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); box-shadow: var(--shadow-lg); }
.btn--primary { background: var(--ink); color: #fff; border-color: var(--ink); }
.btn--wide { display: block; text-align: center; margin-top: 1rem; }

/* prototype banner */
.protobar {
  max-width: var(--maxw); margin: clamp(2.5rem, 6vw, 4rem) auto 0;
  display: flex; align-items: center; gap: .9rem;
  background: #fff7ef; border: 1px solid #f3d9c0;
  border-radius: var(--radius); padding: .85rem 1.1rem;
  font-size: .92rem; color: #6b4527;
}
.protobar__tag {
  flex: none; font-size: .68rem; font-weight: 800; letter-spacing: .1em;
  color: #fff; background: var(--orange);
  padding: .25rem .55rem; border-radius: 6px;
}
.protobar a { color: var(--orange-ink); font-weight: 700; }

/* ============================ SECTIONS ============================ */
.section {
  max-width: var(--maxw); margin: 0 auto;
  padding: clamp(3.5rem, 8vw, 6rem) clamp(1rem, 5vw, 2rem);
}
.section__head { max-width: 720px; margin: 0 auto clamp(2rem, 5vw, 3rem); text-align: center; }
.section__head h2 {
  font-size: clamp(1.7rem, 4vw, 2.5rem); letter-spacing: -.02em;
  line-height: 1.1; margin: 0 0 .7rem; font-weight: 800;
}
.section__sub { font-size: 1.05rem; color: var(--muted); margin: 0; }
.section__sub code { font-size: .85em; }

/* reveal-on-scroll */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ============================ WHAT IT IS ============================ */
.whatgrid {
  display: grid; grid-template-columns: 1fr auto 1fr; gap: 1rem; align-items: center;
}
.whatcard {
  background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.4rem; box-shadow: var(--shadow); min-height: 230px;
}
.whatcard__label {
  text-transform: uppercase; letter-spacing: .14em; font-size: .68rem;
  font-weight: 800; color: var(--muted-2); margin-bottom: 1rem;
}
.pdfblob { text-align: center; }
.pdfblob__pages {
  position: relative; width: 92px; height: 116px; margin: .4rem auto 1rem;
  background: #fff; border: 1px solid var(--line); border-radius: 6px;
  box-shadow: 6px 6px 0 #efece4, 12px 12px 0 #f5f3ec;
}
.pdfblob__pages::before {
  content: "PDF"; position: absolute; inset: auto 0 8px; text-align: center;
  font: 800 .7rem/1 var(--mono); color: var(--orange);
}
.pdfblob__name { font-weight: 700; }
.pdfblob__meta { color: var(--muted); font-size: .85rem; margin-top: .3rem; }

.whatarrow {
  display: flex; flex-direction: column; align-items: center; gap: .4rem;
  color: var(--blue-ink); font: 600 .8rem var(--mono);
}
.vaulttree { font-size: .92rem; }
.tline { padding: .12rem 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.tind1 { padding-left: 1.1rem; }
.tind2 { padding-left: 2.2rem; }
.tind3 { padding-left: 3.3rem; }
.tnode { font-weight: 600; }
.tnode em { font-style: normal; font-weight: 400; opacity: .55; font-size: .85em; }
.tnode--dom { color: var(--ink); }
.tnode--sec { color: var(--blue-ink); }
.tnode--md  { color: var(--ink-soft); font-weight: 500; }
.tpdf { color: var(--muted-2); font-size: .78rem; margin-left: .4rem; }
.trel { }
.treltxt { color: var(--orange-ink); font: 600 .82rem var(--mono); }

@media (max-width: 760px) {
  .whatgrid { grid-template-columns: 1fr; }
  .whatarrow { transform: rotate(90deg); margin: .3rem 0; }
}

/* ============================ GRAPH ============================ */
.section--graph { }
.graphstage {
  position: relative; margin: 0;
  background:
    radial-gradient(80% 90% at 50% 30%, #fff, var(--paper-2));
  border: 1px solid var(--line); border-radius: 20px;
  box-shadow: var(--shadow-lg); overflow: hidden;
}
#graph-canvas { display: block; width: 100%; height: 540px; touch-action: none; cursor: grab; }
#graph-canvas:active { cursor: grabbing; }
.graphstage__legend {
  position: absolute; left: 14px; bottom: 12px;
  display: flex; gap: .9rem; flex-wrap: wrap;
  background: rgba(255,255,255,.85); backdrop-filter: blur(6px);
  border: 1px solid var(--line); border-radius: 10px; padding: .5rem .7rem;
  font-size: .78rem; color: var(--ink-soft);
}
.lg { display: inline-flex; align-items: center; gap: .35rem; }
.lg em { color: var(--muted-2); font-style: italic; }
.dot { width: 11px; height: 11px; border-radius: 50%; display: inline-block; }
.dot--dom { background: var(--ink); }
.dot--con { background: var(--blue); }
.dot--md  { background: #c9d4e0; border: 1px solid #aebccd; }
.line { width: 18px; height: 0; display: inline-block; }
.line--hier { border-top: 2px solid var(--muted-2); }
.line--cross { border-top: 2px dashed var(--orange); }
.graphstage__reset {
  position: absolute; right: 14px; top: 14px;
  font: 600 .8rem var(--font); color: var(--ink);
  background: rgba(255,255,255,.9); border: 1px solid var(--line);
  border-radius: 999px; padding: .35rem .8rem; cursor: pointer;
}
.graphstage__reset:hover { background: #fff; box-shadow: var(--shadow); }
.graphstage__cap {
  position: absolute; right: 14px; bottom: 12px; max-width: 46%;
  text-align: right; font-size: .74rem; color: var(--muted);
}
.graphstage__cap code { font-size: .85em; }
@media (max-width: 760px) {
  #graph-canvas { height: 440px; }
  .graphstage__cap { display: none; }
}

/* ============================ PIPELINE / TRANSFORM ============================ */
.transform {
  display: grid; grid-template-columns: 1fr auto 1.2fr; gap: 1.2rem; align-items: center;
  margin-bottom: clamp(2.5rem, 6vw, 4rem);
}
/* raw page */
.paper {
  position: relative; overflow: hidden;
  background:
    repeating-linear-gradient(transparent, transparent 19px, #dfe7f0 19px, #dfe7f0 20px),
    #fffdf8;
  border: 1px solid var(--line); border-radius: 10px;
  box-shadow: var(--shadow); padding: 1.1rem 1.1rem 1.6rem; min-height: 220px;
}
.paper__title {
  font: 700 1.15rem var(--font); color: var(--ink);
  transform: rotate(-1.5deg); margin-bottom: .4rem;
}
.ink { width: 100%; height: auto; }
.ink path, .ink circle { fill: none; stroke: #2d3a8c; stroke-width: 2.4; stroke-linecap: round; stroke-linejoin: round; }
.ink--diagram { stroke: #8a4b1f !important; }
/* draw-on animation */
.ink path, .ink circle {
  stroke-dasharray: 600; stroke-dashoffset: 600;
}
.transform.in .ink path, .transform.in .ink circle {
  animation: draw 2.2s ease forwards;
}
.transform.in .ink path:nth-child(2){ animation-delay:.3s }
.transform.in .ink path:nth-child(3){ animation-delay:.6s }
.transform.in .ink path:nth-child(4){ animation-delay:.9s }
.transform.in .ink .ink--diagram { animation-delay:1.2s }
@keyframes draw { to { stroke-dashoffset: 0; } }
.paper__scan {
  position: absolute; left: 0; right: 0; top: 0; height: 46px;
  background: linear-gradient(180deg, rgba(59,110,165,.28), rgba(59,110,165,0));
  border-bottom: 2px solid rgba(59,110,165,.7);
  opacity: 0;
}
.transform.in .paper__scan { animation: scan 2.6s ease-in-out .2s 1 forwards; }
@keyframes scan {
  0% { opacity: 1; transform: translateY(-46px); }
  85% { opacity: 1; }
  100% { opacity: 0; transform: translateY(220px); }
}
.paper__tag {
  position: absolute; left: 1.1rem; bottom: .55rem;
  font: 600 .72rem var(--mono); color: var(--muted-2);
}
.transform__arrow {
  display: flex; flex-direction: column; align-items: center; gap: .5rem;
  color: var(--blue-ink);
}
.transform__chip {
  font: 600 .74rem var(--font); color: var(--blue-ink);
  background: #eaf1f8; border: 1px solid #cfe0f0; border-radius: 999px;
  padding: .3rem .7rem; text-align: center;
}
/* markdown card */
.mdcard {
  background: var(--paper); border: 1px solid var(--line); border-radius: 10px;
  box-shadow: var(--shadow); padding: 1.1rem 1.3rem 1.3rem;
  opacity: 0; transform: translateY(10px);
}
.transform.in .mdcard { animation: rise .7s ease 1.4s forwards; }
@keyframes rise { to { opacity: 1; transform: none; } }
.mdcard__fm {
  display: flex; flex-direction: column; gap: 2px;
  font: 500 .76rem var(--mono); color: var(--muted);
  background: var(--paper-3); border-left: 3px solid var(--blue);
  border-radius: 0 6px 6px 0; padding: .5rem .7rem; margin-bottom: .9rem;
}
.md-h1 { font-size: 1.3rem; margin: 0 0 .5rem; letter-spacing: -.01em; }
.md-h2 { font: 700 .82rem var(--mono); color: var(--blue-ink); margin: .8rem 0 .3rem; }
.md-p { margin: .3rem 0; color: var(--ink-soft); font-size: .95rem; }
.md-ul { margin: .3rem 0; padding-left: 1.2rem; color: var(--ink-soft); font-size: .95rem; }
.md-ul li { margin: .15rem 0; }
.md-math {
  background: #f7faff; border: 1px dashed #cfe0f0; border-radius: 8px;
  text-align: center; padding: .5rem; margin: .7rem 0;
  font: 500 .95rem var(--mono); color: var(--blue-ink);
}
.md-code {
  background: var(--ink); color: #e8edf3; border-radius: 8px;
  padding: .6rem .8rem; font-size: .82rem; overflow-x: auto; margin: .6rem 0 .4rem;
}
.md-code .cmt { color: #8aa0b8; }
.mdcard__rel { font: 600 .82rem var(--mono); color: var(--orange-ink); margin-top: .5rem; }
.mdcard__rel a { color: var(--orange-ink); }

@media (max-width: 820px) {
  .transform { grid-template-columns: 1fr; }
  .transform__arrow { transform: rotate(90deg); margin: .4rem 0; }
}

/* stages */
.stages {
  list-style: none; margin: 0; padding: 0;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: .9rem;
  counter-reset: s;
}
.stages li {
  position: relative; background: var(--paper); border: 1px solid var(--line);
  border-radius: 12px; padding: 1rem 1rem 1rem 3rem; box-shadow: var(--shadow);
  font-size: .9rem; color: var(--muted);
}
.stages li b { display: block; color: var(--ink); font-size: 1rem; margin-bottom: .15rem; }
.stages__n {
  position: absolute; left: .8rem; top: .9rem;
  width: 1.6rem; height: 1.6rem; border-radius: 50%;
  display: grid; place-items: center; font: 800 .9rem var(--font);
  color: #fff; background: var(--blue);
}
.stages li:nth-child(6) .stages__n { background: var(--orange); }
@media (max-width: 820px) { .stages { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .stages { grid-template-columns: 1fr; } }

/* ============================ FEATURES ============================ */
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.1rem; }
.feat {
  background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.4rem; box-shadow: var(--shadow); transition: transform .15s, box-shadow .2s;
}
.feat:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.feat__ic { font-size: 1.6rem; margin-bottom: .6rem; }
.feat h3 { margin: 0 0 .4rem; font-size: 1.12rem; letter-spacing: -.01em; }
.feat h3 em { color: var(--orange-ink); font-style: italic; }
.feat p { margin: 0; color: var(--muted); font-size: .93rem; }
@media (max-width: 820px) { .features { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .features { grid-template-columns: 1fr; } }

/* ============================ GET STARTED ============================ */
.section--start { }
.codecol { display: grid; grid-template-columns: 1.3fr 1fr; gap: 1.2rem; align-items: start; }
.codeblock {
  background: #0f1419; border: 1px solid #232a31; border-radius: 12px;
  overflow: hidden; box-shadow: var(--shadow-lg);
}
.codeblock__bar {
  display: flex; align-items: center; justify-content: space-between;
  padding: .5rem .8rem; background: #0b0f13; border-bottom: 1px solid #232a31;
  font: 600 .78rem var(--mono); color: #6f8295;
}
.copy {
  font: 600 .74rem var(--font); color: #aebccd; background: transparent;
  border: 1px solid #2c3640; border-radius: 6px; padding: .2rem .55rem; cursor: pointer;
}
.copy:hover { color: #fff; border-color: #46535f; }
.copy.copied { color: #7ee0a0; border-color: #2f6b48; }
.codeblock pre { margin: 0; padding: 1rem 1.1rem; overflow-x: auto; }
.codeblock code { background: none; border: none; padding: 0; color: #dbe4ec; font-size: .86rem; line-height: 1.7; }
.codeblock .cmt { color: #6f8295; }
.codeblock--mini { margin: .6rem 0 0; }
.codeblock--mini pre { padding: .7rem .9rem; }
.codenote { color: var(--muted); font-size: .92rem; }
.codenote code { font-size: .82em; }
@media (max-width: 820px) { .codecol { grid-template-columns: 1fr; } }

/* ============================ STATUS ============================ */
.section--status { }
.statusgrid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.1rem; }
.statuscol {
  background: var(--paper); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 1.4rem; box-shadow: var(--shadow);
}
.statuscol h3 { margin: 0 0 .7rem; font-size: 1.1rem; }
.statuscol ul { margin: 0; padding-left: 1.1rem; color: var(--ink-soft); font-size: .93rem; }
.statuscol li { margin: .35rem 0; }
.statuscol--yes { border-top: 3px solid #3fae6e; }
.statuscol--yes h3 { color: #2f8a55; }
.statuscol--soon { border-top: 3px solid var(--orange); }
.statuscol--soon h3 { color: var(--orange-ink); }
@media (max-width: 720px) { .statusgrid { grid-template-columns: 1fr; } }

/* ============================ FOOTER ============================ */
.footer { background: var(--ink); color: #c7ced6; margin-top: 2rem; }
.footer__inner {
  max-width: var(--maxw); margin: 0 auto;
  display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 2rem;
  padding: clamp(2.5rem, 6vw, 4rem) clamp(1rem, 5vw, 2rem) 1.5rem;
}
.footer h3 { color: #fff; font-size: 1rem; margin: 0 0 .8rem; }
.footer__tag { font-style: italic; color: #98a2ad; font-size: .9rem; }
.footer a { color: #cfe0f0; }
.footer a:hover { color: #fff; }
.reflist { list-style: none; margin: 0; padding: 0; font-size: .9rem; }
.reflist li { margin: .4rem 0; color: #98a2ad; }
.footer__fine {
  max-width: var(--maxw); margin: 0 auto; padding: 0 clamp(1rem,5vw,2rem) 2.5rem;
  font-size: .8rem; color: #6f7984; border-top: 1px solid #262c33; padding-top: 1.2rem;
}
@media (max-width: 720px) { .footer__inner { grid-template-columns: 1fr; gap: 1.5rem; } }

/* ===================== CHAT (v0.2) ===================== */
.section--chat { background: linear-gradient(180deg, var(--paper-2), var(--paper)); }
.tagpill {
  display: inline-block; font-size: .72rem; font-weight: 700; letter-spacing: .04em;
  color: #fff; background: var(--blue); padding: .2em .7em; border-radius: 999px; margin-bottom: .6rem;
}
.chatwrap {
  display: grid; grid-template-columns: 1.15fr .85fr; gap: 28px; align-items: start;
  max-width: 1040px; margin: 0 auto;
}
@media (max-width: 820px) { .chatwrap { grid-template-columns: 1fr; } }

/* the mock chat window */
.chatdemo {
  margin: 0; border: 1px solid var(--line); border-radius: 16px; overflow: hidden;
  background: #fff; box-shadow: 0 12px 34px rgba(20,23,26,.10);
}
.chatdemo__bar {
  display: flex; align-items: center; gap: 8px; padding: 10px 12px;
  background: var(--blue); color: #fff;
}
.chatdemo__mode {
  font-size: .76rem; font-weight: 600; padding: .18em .6em; border-radius: 999px;
  background: rgba(255,255,255,.16);
}
.chatdemo__mode--on { background: #fff; color: var(--blue-ink); }
.chatdemo__scope { margin-left: auto; font-size: .72rem; opacity: .9; }
.chatdemo__body { padding: 16px; display: flex; flex-direction: column; gap: 12px; min-height: 300px; }

.cmsg { font-size: .9rem; line-height: 1.5; }
.cmsg p { margin: 0 0 .5em; }
.cmsg--user {
  align-self: flex-end; max-width: 80%; background: var(--slate); color: var(--ink);
  padding: 9px 13px; border-radius: 13px 13px 3px 13px;
  opacity: 0; transform: translateY(10px);
}
.chatwrap.in .cmsg--user { animation: crise .5s ease .2s forwards; }
.cmsg--ai { align-self: flex-start; max-width: 92%; }
.cmsg__think { color: var(--muted); font-style: italic; opacity: 0; }
.chatwrap.in .cmsg__think { animation: thinkcycle 1.5s ease .7s forwards; }
.cmsg__ans {
  background: var(--paper-2); border: 1px solid var(--line); border-radius: 3px 13px 13px 13px;
  padding: 11px 14px; opacity: 0; transform: translateY(10px);
}
.chatwrap.in .cmsg__ans { animation: crise .6s ease 1.9s forwards; }
.cmath {
  font-family: var(--mono); font-size: .86rem; background: #fff; border: 1px solid var(--line);
  border-radius: 6px; padding: 7px 10px; color: var(--blue-ink);
}
.cmsg__cites { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; margin-top: .4em; }
.cmsg__cl { font-size: .7rem; font-weight: 700; color: var(--muted); text-transform: uppercase; }
.cchip {
  font-size: .74rem; padding: .2em .6em; border-radius: 999px;
  background: rgba(59,110,165,.12); color: var(--blue-ink); border: 1px solid rgba(59,110,165,.25);
  opacity: 0; transform: scale(.9);
}
.chatwrap.in .cchip { animation: pop .4s ease forwards; }
.chatwrap.in .cchip:nth-of-type(1) { animation-delay: 2.5s; }
.chatwrap.in .cchip:nth-of-type(2) { animation-delay: 2.7s; }
.cmsg__beyond {
  margin-top: .6em; font-size: .8rem; color: var(--orange-ink); font-style: italic;
  border-top: 1px dashed var(--line); padding-top: .5em; opacity: 0;
}
.chatwrap.in .cmsg__beyond { animation: cfade .6s ease 3s forwards; }

/* feature list beside the demo */
.chatfeat { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 14px; }
.chatfeat li { display: flex; flex-direction: column; gap: 2px; padding-left: 16px; position: relative; }
.chatfeat li::before {
  content: ""; position: absolute; left: 0; top: 7px; width: 7px; height: 7px;
  border-radius: 50%; background: var(--blue);
}
.chatfeat b { font-size: .98rem; color: var(--ink); }
.chatfeat span { font-size: .9rem; color: var(--ink-soft); line-height: 1.5; }

@keyframes crise { to { opacity: 1; transform: none; } }
@keyframes pop { to { opacity: 1; transform: none; } }
@keyframes cfade { to { opacity: 1; } }
@keyframes thinkcycle { 0% { opacity: 0; } 25% { opacity: 1; } 80% { opacity: 1; } 100% { opacity: 0; } }
@media (prefers-reduced-motion: reduce) {
  .cmsg--user, .cmsg__ans, .cchip, .cmsg__beyond { opacity: 1 !important; transform: none !important; }
  .cmsg__think { display: none; }
}