/* Ascendral v9 — cinematic: 3D mark, pinned scroll sequences, hardware device
   frames, big tight type on black. Gold is the mark and accents only. */
:root {
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --mono: "JetBrains Mono", "SF Mono", ui-monospace, Menlo, monospace;
  --bg: #000; --txt: #f5f5f7; --mut: #a1a1a6; --dim: #6e6e73;
  --gold: #f4a93d; --gold-2: #ffd05d; --cream: #ffe38a;
  --blue: #2997ff;
  --ease: cubic-bezier(0.2, 0.8, 0.2, 1);
  --p: 0;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: auto; }
html, body { overflow-x: clip; }
body { margin: 0; background: var(--bg); color: var(--txt); font-family: var(--font); font-size: 17px; line-height: 1.5; letter-spacing: -0.01em; -webkit-font-smoothing: antialiased; }
img, svg, canvas { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4, p, ul, figure { margin: 0; padding: 0; }
ul { list-style: none; }
button { font: inherit; }

h1 { font-size: clamp(44px, 7.2vw, 104px); font-weight: 700; line-height: 0.98; letter-spacing: -0.035em; }
h2 { font-size: clamp(36px, 5vw, 72px); font-weight: 700; line-height: 1.02; letter-spacing: -0.03em; }
h3 { font-size: 24px; font-weight: 700; letter-spacing: -0.02em; }
.over { font-size: 15px; font-weight: 600; color: var(--gold); letter-spacing: 0.01em; margin-bottom: 14px; }
.sub { margin-top: 20px; font-size: clamp(17px, 1.5vw, 21px); line-height: 1.45; color: var(--mut); max-width: 44ch; }
.more { font-size: 19px; color: var(--blue); }
.more:hover { text-decoration: underline; }
.pill { display: inline-flex; align-items: center; padding: 13px 26px; border-radius: 980px; background: #fff; color: #000; font-weight: 600; font-size: 16px; transition: transform 200ms var(--ease), box-shadow 200ms; }
.pill:hover { transform: translateY(-1px); box-shadow: 0 0 40px rgba(244,169,61,0.35); }
.row { display: flex; gap: 28px; align-items: center; margin-top: 34px; flex-wrap: wrap; }

/* nav */
.nav { position: fixed; top: 0; left: 0; right: 0; z-index: 60; height: 56px; display: flex; align-items: center; justify-content: space-between; padding: 0 28px; background: rgba(0,0,0,0.55); backdrop-filter: saturate(180%) blur(20px); -webkit-backdrop-filter: saturate(180%) blur(20px); border-bottom: 1px solid rgba(255,255,255,0.06); }
.brand svg { width: 28px; height: 26px; overflow: visible; }
.links { display: flex; gap: 34px; }
.links a { font-size: 13px; color: var(--mut); transition: color 200ms; }
.links a:hover { color: #fff; }
.burger { display: none; background: none; border: 0; width: 36px; height: 36px; padding: 0; cursor: pointer; flex-direction: column; gap: 6px; align-items: center; justify-content: center; }
.burger span { width: 18px; height: 1.5px; background: #fff; display: block; transition: transform 200ms; }
.burger[aria-expanded="true"] span:first-child { transform: translateY(3.75px) rotate(45deg); }
.burger[aria-expanded="true"] span:last-child { transform: translateY(-3.75px) rotate(-45deg); }

/* pinned sections */
.pin { position: relative; height: calc(var(--len, 2) * 100vh); }
.pin .stage { position: sticky; top: 0; height: 100vh; overflow: hidden; }
html.flat .pin { height: auto; }
html.flat .pin .stage { position: relative; height: auto; min-height: 100vh; }

/* hero */
.hero .stage { display: grid; place-items: center; }
#gl { position: absolute; inset: 0; width: 100%; height: 100%; }
.mark-fallback { display: none; position: absolute; left: 50%; top: 50%; width: min(60vw, 420px); transform: translate(-50%, -60%); overflow: visible; }
html.no-gl .mark-fallback { display: block; }
.hero-word { position: absolute; left: 50%; top: 50%; width: min(52vw, 360px); transform: translate(-50%, calc(-50% + 34vh)); opacity: calc(1 - var(--p) * 2.2); pointer-events: none; }
.hero-word .lockup text { font-family: "Montserrat", "Avenir Next", Arial, sans-serif; }
.hero-word .lockup g[filter] path { opacity: 0; }  /* mark is rendered in 3D; keep only the wordmark */
.hero-copy { position: relative; text-align: center; max-width: 980px; padding: 0 24px; margin-top: 22vh; opacity: clamp(0, calc((var(--p) - 0.42) * 2.8), 1); transform: translateY(calc((1 - clamp(0, calc((var(--p) - 0.42) * 2.8), 1)) * 40px)); pointer-events: none; }
.hero-copy .row a { pointer-events: auto; }
.hero-copy h1 { text-shadow: 0 0 40px rgba(0,0,0,0.9); }
.hero-copy p { margin-top: 22px; font-size: clamp(18px, 1.8vw, 24px); line-height: 1.4; color: var(--mut); }
.hero-copy .row { justify-content: center; }
.scroll-cue { position: absolute; left: 50%; bottom: 26px; width: 22px; height: 36px; margin-left: -11px; border: 1.5px solid rgba(255,255,255,0.35); border-radius: 12px; opacity: calc(1 - var(--p) * 4); }
.scroll-cue span { position: absolute; left: 50%; top: 7px; width: 3px; height: 7px; margin-left: -1.5px; border-radius: 2px; background: var(--gold); animation: cue 1.8s ease-in-out infinite; }
@keyframes cue { 0% { transform: translateY(0); opacity: 1 } 100% { transform: translateY(14px); opacity: 0 } }

/* device frames — hardware, not outlines */
.iphone { position: relative; width: 100%; aspect-ratio: 440 / 900; border-radius: 13% / 6.4%; padding: 2.6%;
  background: linear-gradient(150deg, #5a5a5e 0%, #1c1c1e 22%, #0a0a0a 50%, #2b2b2e 78%, #6a6a6e 100%);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.18), inset 0 0 0 3px #000, 0 30px 60px rgba(0,0,0,0.65), 0 2px 0 rgba(255,255,255,0.08); }
.iphone .screen { position: relative; width: 100%; height: 100%; border-radius: 11% / 5.4%; overflow: hidden; background: #000; }
.iphone .screen img { width: 100%; height: 100%; object-fit: cover; object-position: top; }
.iphone .island { position: absolute; left: 50%; top: 2.6%; width: 26%; height: 3.2%; transform: translateX(-50%); border-radius: 999px; background: #000; }
.iphone .glass { position: absolute; inset: 0; pointer-events: none; background: linear-gradient(115deg, rgba(255,255,255,0.14) 0%, rgba(255,255,255,0.03) 28%, rgba(255,255,255,0) 45%); }
.ipad { border-radius: 26px; padding: 12px; background: linear-gradient(150deg, #4a4a4e, #141416 30%, #0a0a0a 55%, #3a3a3e); box-shadow: inset 0 0 0 1px rgba(255,255,255,0.16), inset 0 0 0 3px #000, 0 40px 80px rgba(0,0,0,0.65); }
.ipad img { border-radius: 16px; }
.mac { border-radius: 14px; padding: 10px 10px 0; background: linear-gradient(180deg, #3a3a3e, #141416); box-shadow: inset 0 0 0 1px rgba(255,255,255,0.14), 0 40px 80px rgba(0,0,0,0.6); }
.mac img { border-radius: 8px 8px 0 0; }

/* services band */
.svc { padding: 120px 24px; border-top: 1px solid rgba(255,255,255,0.06); background: #000; }
.svc-in { max-width: 1280px; margin: 0 auto; }
.svc-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 48px; }
.svc-grid li { padding: 28px 26px; border-radius: 22px; background: #0b0b0d; border: 1px solid rgba(255,255,255,0.06); transition: transform 300ms var(--ease), border-color 300ms; }
.svc-grid li:hover { transform: translateY(-4px); border-color: rgba(244,169,61,0.45); }
.svc-grid h3 { font-size: 22px; }
.svc-grid p { margin-top: 10px; color: var(--mut); font-size: 15px; line-height: 1.55; }
.svc .row { margin-top: 40px; }

/* coming-soon screen + billboard logo */
.screen.soon { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 10px; background: radial-gradient(60% 45% at 50% 40%, #1a0c0c, #000 75%); text-align: center; }
.screen.soon .soon-icon { width: 46%; height: auto; border-radius: 22%; box-shadow: 0 16px 40px rgba(0,0,0,0.7); margin-top: 6%; }
.screen.soon b { font-size: clamp(11px, 1.1vw, 15px); color: #fff; }
.screen.soon > span:not(.island):not(.glass) { font-size: clamp(9px, 0.85vw, 12px); color: var(--gold-2); letter-spacing: 0.08em; text-transform: uppercase; }
.app-id { display: inline-flex; align-items: center; gap: 14px; margin-bottom: 22px; }
.app-id img { width: 64px; height: 64px; border-radius: 15px; box-shadow: 0 8px 24px rgba(0,0,0,0.6), inset 0 0 0 1px rgba(255,255,255,0.08); }
.app-id span { font-size: 17px; font-weight: 600; color: #fff; }
.bill-in.center .app-id { justify-content: center; }
.duo-card .app-id { justify-content: center; }

/* fly-in */
.fly .stage { display: grid; grid-template-rows: auto 1fr auto; padding: 96px 24px 40px; }
.fly-copy { text-align: center; max-width: 860px; margin: 0 auto; opacity: clamp(0, calc(var(--p) * 6), 1); }
.fly-copy p { margin-top: 16px; color: var(--mut); font-size: clamp(17px, 1.5vw, 21px); }
.fly-field { position: relative; }
.fly-slot { position: absolute; left: 50%; bottom: 0; width: clamp(120px, 16vw, 230px); transform-origin: bottom center; }
.fly-slot .iphone { opacity: var(--o, 0); transform: translate3d(var(--tx, 0), calc((1 - var(--o, 0)) * 70vh), 0) rotate(calc(var(--r, 0) * var(--o, 0))) scale(calc(0.85 + var(--o, 0) * 0.15)); transition: none; }
.fly-slot.s0 { --tx: -215%; --r: -8deg; z-index: 1; --o: var(--p0); }
.fly-slot.s1 { --tx: -130%; --r: -4deg; z-index: 2; --o: var(--p1); }
.fly-slot.s2 { --tx: -50%;  --r: 0deg;  z-index: 3; --o: var(--p2); }
.fly-slot.s3 { --tx: 30%;   --r: 4deg;  z-index: 2; --o: var(--p3); }
.fly-slot.s4 { --tx: 115%;  --r: 8deg;  z-index: 1; --o: var(--p4); }
.fly-slot.s0 .iphone, .fly-slot.s4 .iphone { margin-bottom: -6%; }
.fly-slot.s1 .iphone, .fly-slot.s3 .iphone { margin-bottom: -2%; }
.fly-cap { position: relative; height: 30px; text-align: center; color: var(--mut); font-size: 15px; }
.fly-cap li { position: absolute; left: 0; right: 0; opacity: 0; transition: opacity 300ms; }
.fly-cap li.on { opacity: 1; }

/* billboards */
.bill { position: relative; padding: 140px 24px; overflow: hidden; border-top: 1px solid rgba(255,255,255,0.06); }
.bill-in { max-width: 1280px; margin: 0 auto; display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); gap: 56px; align-items: center; }
.bill-in.flip { grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); }
.bill-in.center { grid-template-columns: 1fr; text-align: center; }
.bill-in.center .bill-copy { margin: 0 auto; } .bill-in.center .sub { margin-left: auto; margin-right: auto; }
.bill-vis { position: relative; }
.bill-vis.tilt { display: flex; gap: 6%; align-items: flex-end; justify-content: center; perspective: 1400px; }
.bill-vis.tilt .p-a { width: 40%; transform: rotateY(18deg) rotateX(4deg) translateY(calc(var(--py, 0) * -30px)); }
.bill-vis.tilt .p-b { width: 40%; transform: rotateY(-14deg) rotateX(4deg) translateY(calc(var(--py, 0) * 30px)); }
.bill .ipad { transform: perspective(1400px) rotateY(-10deg) rotateX(3deg) translateY(calc(var(--py, 0) * -24px)); }
.bible { padding: 0; min-height: 92vh; display: grid; align-items: center; }
.bible .strip { position: absolute; inset: 0; display: grid; grid-template-columns: repeat(8, 1fr); gap: 6px; transform: translateY(calc(var(--py, 0) * -60px)) scale(1.08); }
.bible .strip img { width: 100%; height: 100%; object-fit: cover; }
.bible .strip::after { content: ''; position: absolute; inset: 0; background: radial-gradient(60% 50% at 50% 50%, rgba(0,0,0,0.78), rgba(0,0,0,0.35) 70%), linear-gradient(180deg, rgba(0,0,0,0.5), rgba(0,0,0,0.2) 40%, rgba(0,0,0,0.85)); }
.bible .bill-in { position: relative; padding: 140px 24px; }
.bible h2 { text-shadow: 0 4px 40px rgba(0,0,0,0.8); }
.duo .bill-in { grid-template-columns: 1fr 1fr; gap: 16px; }
.duo-card { display: block; border-radius: 28px; padding: 56px 40px 0; background: #0b0b0d; overflow: hidden; text-align: center; min-height: 700px; transition: transform 300ms var(--ease); }
.duo-card:hover { transform: translateY(-4px); }
.duo-card .sub { margin-left: auto; margin-right: auto; }
.duo-card .iphone { width: min(62%, 300px); margin: 44px auto -30%; }

/* agents */
.agents .stage { display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 7fr); gap: 56px; align-items: center; max-width: 1280px; margin: 0 auto; padding: 80px 24px 24px; }
.ag-h { position: relative; height: 3.1em; }
.ag-h span { position: absolute; left: 0; top: 0; opacity: 0; transform: translateY(14px); transition: opacity 350ms var(--ease), transform 350ms var(--ease); }
.ag-h span.on { opacity: 1; transform: none; }
.ag-vis { position: relative; }
.ag-svg { width: 100%; height: auto; overflow: visible; }
.ag-svg .node, .ag-svg .edge { opacity: 0.18; transition: opacity 350ms; }
.ag-svg .lab { opacity: 0.35; transition: opacity 350ms; }
.ag-svg .node.on, .ag-svg .edge.on, .ag-svg .lab.on { opacity: 1; }
.ag-svg .edge { transition: stroke-dashoffset 700ms var(--ease), opacity 350ms; }
.agents .editor { margin-top: 28px; opacity: var(--pe, 0); transform: translateY(calc((1 - var(--pe, 0)) * 30px)); }
.agents .editor pre { max-height: 320px; }

/* editors */
.editor { border-radius: 14px; background: #0b0b0d; border: 1px solid rgba(255,255,255,0.08); box-shadow: 0 30px 60px rgba(0,0,0,0.6); overflow: hidden; }
.editor figcaption { display: flex; justify-content: space-between; padding: 10px 14px; font-family: var(--mono); font-size: 11px; color: var(--dim); border-bottom: 1px solid rgba(255,255,255,0.06); }
.editor pre { margin: 0; padding: 14px 16px; font-family: var(--mono); font-size: 11.5px; line-height: 1.6; color: #d8d8dc; overflow: hidden; white-space: pre; max-height: 300px; counter-reset: ln; }
.editor pre .l { display: block; }
.editor pre .l::before { counter-increment: ln; content: counter(ln); display: inline-block; width: 2em; margin-right: 1em; text-align: right; color: #3a3a3e; }
.editor pre .l.hide { opacity: 0.12; }
.editor.sm pre { max-height: 230px; font-size: 11px; }
.tk-k { color: var(--gold-2); } .tk-s { color: var(--cream); } .tk-c { color: #6e6e73; font-style: italic; } .tk-f { color: #fff; } .tk-t { color: #ffd9a0; } .tk-p { color: #8e8e93; } .tk-n { color: #fff; }

/* numbers */
.nums { padding: 120px 24px; border-top: 1px solid rgba(255,255,255,0.06); }
.nums ul { max-width: 1280px; margin: 0 auto; display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; }
.nums b { display: block; font-size: clamp(56px, 7vw, 112px); font-weight: 700; letter-spacing: -0.045em; line-height: 1; color: #fff; }
.nums li:first-child b { background: linear-gradient(100deg, #fff2a8, #ffd05d 40%, #f4a93d 80%); -webkit-background-clip: text; background-clip: text; color: transparent; }
.nums span { display: block; margin-top: 12px; color: var(--mut); font-size: 15px; max-width: 26ch; }

/* capabilities */
.caps { padding: 140px 24px; border-top: 1px solid rgba(255,255,255,0.06); }
.caps-in { max-width: 1280px; margin: 0 auto; display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 64px; }
.caps-head { position: sticky; top: 100px; align-self: start; }
.caps-list li { display: grid; grid-template-columns: 56px 1fr; gap: 0 20px; padding: 30px 0; border-top: 1px solid rgba(255,255,255,0.08); transition: padding-left 300ms var(--ease); }
.caps-list li:hover { padding-left: 8px; }
.caps-list li:last-child { border-bottom: 1px solid rgba(255,255,255,0.08); }
.caps-list .ci { font-family: var(--mono); font-size: 13px; color: var(--gold); padding-top: 6px; }
.caps-list h3 { font-size: clamp(24px, 2.4vw, 34px); }
.caps-list p { grid-column: 2; margin-top: 6px; color: var(--mut); font-size: 17px; }

/* open source */
.oss { padding: 140px 24px; border-top: 1px solid rgba(255,255,255,0.06); }
.oss-in { max-width: 1280px; margin: 0 auto; }
.oss-grid { display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: 16px; margin-top: 48px; }
.oss-card { display: flex; flex-direction: column; gap: 12px; border-radius: 24px; padding: 32px; background: #0b0b0d; transition: transform 300ms var(--ease), background 300ms; }
.oss-card:hover { transform: translateY(-4px); background: #101013; }
.oss-card p { color: var(--mut); font-size: 16px; flex: 1; }
.oss-card .editor { margin-top: 12px; }
.oss-card .more { font-size: 16px; }

/* web */
.web { padding: 140px 24px; border-top: 1px solid rgba(255,255,255,0.06); }
.web-in { max-width: 1280px; margin: 0 auto; }
.web-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 24px; margin-top: 48px; }
.site .mac { transform: perspective(1400px) rotateX(calc(4deg - var(--py, 0) * 6deg)); transition: transform 200ms; }
.site h3 { margin-top: 22px; font-family: var(--mono); font-size: 16px; font-weight: 500; color: var(--gold-2); }
.site p { margin-top: 8px; color: var(--mut); font-size: 15px; }

/* client quotes */
.quotes { display: grid; grid-template-columns: 1.6fr 1fr; gap: 16px; margin-top: 56px; }
.quotes li { padding: 32px 34px; border-radius: 22px; background: #0b0b0d; border: 1px solid rgba(255,255,255,0.06); }
.quotes blockquote { margin: 0; font-size: clamp(20px, 2vw, 28px); font-weight: 600; letter-spacing: -0.02em; line-height: 1.25; color: #fff; }
.quotes cite { display: block; margin-top: 16px; font-style: normal; font-size: 14px; color: var(--gold-2); }

/* contact + footer */
.contact { padding: 160px 24px; text-align: center; border-top: 1px solid rgba(255,255,255,0.06); }
.contact .lockup { width: min(300px, 70vw); margin: 0 auto 24px; overflow: visible; }
.contact .lockup text { font-family: "Montserrat", "Avenir Next", Arial, sans-serif; }
.contact .sub { margin-left: auto; margin-right: auto; }
.contact .row { justify-content: center; }
.foot { padding: 40px 24px 28px; border-top: 1px solid rgba(255,255,255,0.06); font-size: 12px; color: var(--dim); }
.foot-in { max-width: 1280px; margin: 0 auto; }
.cols { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.foot h4 { font-size: 12px; color: var(--txt); margin-bottom: 10px; }
.foot .cols a { display: block; margin-bottom: 8px; }
.foot .cols a:hover { color: #fff; }
.legal { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; margin-top: 32px; padding-top: 16px; border-top: 1px solid rgba(255,255,255,0.08); }

/* mobile */
@media (max-width: 900px) {
  .links { position: fixed; top: 56px; left: 0; right: 0; flex-direction: column; gap: 0; background: rgba(0,0,0,0.96); padding: 8px 24px 20px; opacity: 0; pointer-events: none; transform: translateY(-8px); transition: all 200ms var(--ease); }
  .links.open { opacity: 1; pointer-events: auto; transform: none; }
  .links a { padding: 14px 0; font-size: 17px; border-bottom: 1px solid rgba(255,255,255,0.08); }
  .burger { display: flex; }
  .hero-word { width: 60vw; transform: translate(-50%, calc(-50% + 30vh)); }
  .fly .stage { padding-top: 80px; }
  .fly-slot { width: 34vw; }
  .fly-slot.s0, .fly-slot.s4 { display: none; }
  .fly-slot.s1 { --tx: -140%; } .fly-slot.s3 { --tx: 40%; }
  .bill { padding: 88px 20px; }
  .bill-in, .bill-in.flip, .duo .bill-in { grid-template-columns: 1fr; gap: 40px; }
  .bill-vis.tilt .p-a, .bill-vis.tilt .p-b { width: 44%; }
  .duo-card { min-height: 0; padding: 44px 24px 0; }
  .agents .stage { grid-template-columns: 1fr; padding: 72px 20px 24px; gap: 24px; align-content: start; }
  .agents .editor { margin-top: 16px; }
  .nums ul { grid-template-columns: 1fr 1fr; }
  .caps-in { grid-template-columns: 1fr; gap: 32px; }
  .caps-head { position: static; }
  .oss-grid, .web-grid, .cols { grid-template-columns: 1fr; }
  .svc { padding: 80px 20px; }
  .quotes { grid-template-columns: 1fr; }
  .svc-grid { grid-template-columns: 1fr; }
  .cols { grid-template-columns: 1fr 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  .scroll-cue span { animation: none; }
}

/* ---------- governed chat ---------- */
.chat { position: fixed; left: 22px; bottom: 22px; z-index: 70; font-family: var(--font); }
.chat-fab { display: flex; align-items: center; gap: 10px; padding: 10px 18px 10px 12px; border: 1px solid rgba(244,169,61,0.55); border-radius: 999px; background: rgba(0,0,0,0.85); color: var(--txt); font-size: 14px; font-weight: 600; cursor: pointer; backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); box-shadow: 0 0 0 1px rgba(255,255,255,0.05), 0 10px 40px rgba(0,0,0,0.6), 0 0 28px rgba(244,169,61,0.25); transition: transform 200ms var(--ease), box-shadow 200ms; }
.chat-fab:hover { transform: translateY(-2px); box-shadow: 0 0 0 1px rgba(255,255,255,0.08), 0 14px 44px rgba(0,0,0,0.6), 0 0 40px rgba(244,169,61,0.45); }
.chat-fab svg { width: 26px; height: 24px; overflow: visible; }
.chat.open .chat-fab { display: none; }
.chat-panel { position: fixed; left: 22px; bottom: 22px; width: min(420px, calc(100vw - 32px)); height: min(640px, calc(100vh - 44px)); display: flex; flex-direction: column; background: rgba(10,10,12,0.92); border: 1px solid rgba(255,255,255,0.1); border-radius: 22px; box-shadow: 0 40px 100px rgba(0,0,0,0.7), 0 0 60px rgba(244,169,61,0.12); backdrop-filter: blur(24px); -webkit-backdrop-filter: blur(24px); overflow: hidden; }
.chat-panel[hidden] { display: none; }
.chat-panel header { display: flex; align-items: flex-start; justify-content: space-between; padding: 16px 18px 14px; border-bottom: 1px solid rgba(255,255,255,0.08); }
.chat-title b { display: block; font-size: 16px; }
.chat-title span { display: block; margin-top: 2px; font-size: 12px; color: var(--mut); }
.chat-x { background: none; border: 0; color: var(--mut); font-size: 26px; line-height: 1; cursor: pointer; padding: 0 2px; }
.chat-x:hover { color: #fff; }
.chat-log { flex: 1; overflow-y: auto; padding: 16px 16px 8px; display: flex; flex-direction: column; gap: 12px; }
.msg { display: flex; flex-direction: column; gap: 6px; max-width: 92%; }
.msg.user { align-self: flex-end; align-items: flex-end; }
.msg.assistant { align-self: flex-start; }
.bubble { padding: 10px 14px; border-radius: 16px; font-size: 14.5px; line-height: 1.5; white-space: pre-wrap; word-break: break-word; }
.msg.user .bubble { background: #f5f5f7; color: #000; border-bottom-right-radius: 6px; }
.msg.assistant .bubble { background: rgba(255,255,255,0.07); color: var(--txt); border-bottom-left-radius: 6px; }
.bubble b { font-weight: 600; color: #fff; }
.bubble code { font-family: var(--mono); font-size: 12.5px; background: rgba(255,255,255,0.08); padding: 1px 5px; border-radius: 5px; }
.bubble.typing { min-width: 52px; color: transparent; background-image: radial-gradient(circle, #9a9a9e 2px, transparent 2.5px); background-size: 12px 12px; background-repeat: repeat-x; background-position: 12px center; height: 38px; animation: typing 1s steps(3) infinite; }
@keyframes typing { to { background-position: 24px center } }
.gate { display: flex; align-items: center; gap: 8px; font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.02em; color: var(--mut); padding: 4px 8px; border-radius: 999px; border: 1px solid rgba(255,255,255,0.1); }
.gate i { width: 7px; height: 7px; border-radius: 50%; background: #30d158; box-shadow: 0 0 8px #30d158; }
.gate b { color: #fff; font-weight: 600; }
.gate.contain i { background: var(--gold-2); box-shadow: 0 0 8px var(--gold-2); }
.gate.challenge i { background: #ff9f0a; box-shadow: 0 0 8px #ff9f0a; }
.gate.block i { background: #ff453a; box-shadow: 0 0 8px #ff453a; }
.gate.block { border-color: rgba(255,69,58,0.5); }
.chat-chips { display: flex; flex-wrap: wrap; gap: 6px; padding: 6px 16px 10px; }
.chat-chips[hidden] { display: none; }
.chat-chips button { background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.1); color: var(--txt); border-radius: 999px; padding: 6px 11px; font-size: 12px; cursor: pointer; text-align: left; }
.chat-chips button:hover { border-color: rgba(244,169,61,0.6); }
.chat-form { display: flex; gap: 8px; padding: 10px 12px 12px; border-top: 1px solid rgba(255,255,255,0.08); }
.chat-form input { flex: 1; background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.1); border-radius: 999px; padding: 11px 16px; color: #fff; font-size: 14px; outline: none; }
.chat-form input:focus { border-color: rgba(244,169,61,0.6); }
.chat-form button { width: 42px; height: 42px; border-radius: 50%; border: 0; background: #fff; color: #000; font-size: 18px; cursor: pointer; }
@media (max-width: 900px) { .chat { left: 14px; bottom: 14px; } .chat-panel { left: 12px; bottom: 12px; width: calc(100vw - 24px); height: min(70vh, 620px); } .chat-fab span { display: none; } .chat-fab { padding: 10px 12px; } }