/* Charleston AI — ai-chs.com
   Hand-written CSS. No framework, no build step, no dependencies. */

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --dark:#431E10; --graphite:#5C2B17; --charcoal:#904632;
  --platinum:#F7FBFE; --dust:#DCDBD9; --silver:#CCCAC6;
  --brand:#68B1F4; --brand-soft:rgba(104,177,244,.12); --gold:#EEC015;
  --radius:12px;
  color-scheme:dark;
}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  background:var(--dark); color:var(--platinum); line-height:1.65;
  -webkit-font-smoothing:antialiased; overflow-x:hidden;
}
img{display:block;max-width:100%;height:auto}
a{color:var(--brand);text-decoration:none;transition:color .2s}
a:hover{color:#9dcbf7}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{
  outline:2px solid var(--brand);outline-offset:3px;border-radius:4px}
::selection{background:rgba(104,177,244,.3)}

.wrap{max-width:960px;margin:0 auto;padding:0 20px}
.wrap-narrow{max-width:720px;margin:0 auto;padding:0 20px}
.eyebrow{text-transform:uppercase;letter-spacing:.12em;font-size:12px;
  color:var(--brand);font-weight:700;margin-bottom:12px}
h1{font-size:clamp(30px,5vw,52px);line-height:1.1;letter-spacing:-.02em;font-weight:800}
h2{font-size:clamp(22px,3vw,32px);line-height:1.2;letter-spacing:-.01em;font-weight:800}
h3{font-size:18px;line-height:1.35;font-weight:700}
.lede{color:var(--dust);font-size:clamp(17px,2vw,21px);line-height:1.6}
.muted{color:var(--dust)}
.small{font-size:14px}
hr{border:0;border-top:1px solid var(--charcoal);margin:48px 0}

/* header / footer */
.site-header{position:sticky;top:0;z-index:50;background:rgba(67,30,16,.92);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--charcoal)}
.site-header .bar{display:flex;align-items:center;justify-content:space-between;
  gap:16px;padding:12px 20px;max-width:960px;margin:0 auto}
.brand{font-weight:800;color:var(--platinum);font-size:17px;letter-spacing:-.01em;white-space:nowrap}
.brand:hover{color:var(--platinum)}
.site-header nav{display:flex;align-items:center;gap:18px;font-size:14px;font-weight:600}
.site-header nav a{color:var(--dust)}
.site-header nav a:hover{color:var(--brand)}
.site-footer{border-top:1px solid var(--charcoal);margin-top:72px;padding:36px 0 56px;
  color:var(--dust);font-size:14px}
.site-footer nav{display:flex;flex-wrap:wrap;gap:8px 20px;margin-bottom:16px;font-weight:600}

/* buttons */
.btn{display:inline-block;padding:15px 26px;border-radius:10px;font-weight:800;
  font-size:16px;border:1px solid transparent;cursor:pointer;transition:opacity .2s,background .2s}
.btn-primary{background:var(--brand);color:var(--dark)}
.btn-primary:hover{opacity:.9;color:var(--dark)}
.btn-ghost{border-color:var(--charcoal);color:var(--platinum)}
.btn-ghost:hover{border-color:var(--brand);color:var(--platinum)}
.btn-lg{padding:18px 34px;font-size:18px}
.btn-row{display:flex;flex-wrap:wrap;gap:12px;align-items:center}

/* hero */
.hero{position:relative;padding:64px 0 48px;text-align:center;overflow:hidden}
.hero::before{content:"";position:absolute;top:-180px;right:-180px;width:460px;height:460px;
  border-radius:50%;background:rgba(104,177,244,.07);filter:blur(80px);pointer-events:none}
.hero .btn-row{justify-content:center}
.hero .lede{margin:22px auto 0;max-width:620px}
.pill-row{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-bottom:20px}
.pill{font-size:12px;font-weight:700;padding:5px 12px;border-radius:999px;
  background:var(--brand-soft);color:var(--brand);border:1px solid rgba(104,177,244,.25)}

/* sections + cards */
section{padding:12px 0}
.section-pad{padding:44px 0}
.grid{display:grid;gap:16px}
@media(min-width:700px){.grid-2{grid-template-columns:1fr 1fr}.grid-3{grid-template-columns:repeat(3,1fr)}}
.card{border:1px solid var(--charcoal);border-radius:var(--radius);padding:22px;
  background:rgba(92,43,23,.25);transition:border-color .2s,background .2s}
a.card:hover{border-color:var(--brand);background:rgba(104,177,244,.06)}
.card h3{margin-bottom:8px}
.card p{color:var(--dust);font-size:15px}
.steps{counter-reset:s;display:grid;gap:14px}
.step{position:relative;padding-left:52px}
.step::before{counter-increment:s;content:counter(s);position:absolute;left:0;top:0;
  width:34px;height:34px;border-radius:50%;background:var(--brand-soft);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px}
.note{background:var(--brand-soft);border:1px solid rgba(104,177,244,.25);
  border-radius:var(--radius);padding:16px 18px;color:var(--dust);font-size:15px}

/* badges */
.badge{display:inline-block;font-size:11px;font-weight:800;letter-spacing:.06em;
  text-transform:uppercase;padding:3px 10px;border-radius:4px;white-space:nowrap}
.tier{background:var(--brand);color:var(--dark)}
.cat{background:rgba(144,70,50,.35);color:var(--dust);border:1px solid var(--charcoal)}
.meta-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center;font-size:13px;color:var(--dust)}

/* delivery article */
.breadcrumb{font-size:13px;color:var(--dust);padding:20px 0 0}
.breadcrumb a{color:var(--dust)}
.breadcrumb a:hover{color:var(--brand)}
.article-head{padding:16px 0 28px}
.article-head h1{font-size:clamp(24px,3.4vw,38px);line-height:1.22;margin:14px 0 0}
.article-body{font-size:17px;line-height:1.8;color:var(--platinum)}
.article-body p{margin-bottom:22px}
.article-hero{margin:22px 0 8px;border-radius:var(--radius);overflow:hidden;
  border:1px solid var(--charcoal)}
.video-hero{display:block;position:relative}
.video-hero .play-pill{position:absolute;right:14px;top:14px;display:flex;align-items:center;gap:10px;
  padding:9px 16px 9px 12px;border-radius:999px;background:rgba(35,14,6,.82);color:var(--platinum);
  font-size:14px;font-weight:700;border:1px solid rgba(247,251,254,.35);transition:background .2s}
.video-hero .play-pill::before{content:"";width:0;height:0;border-style:solid;
  border-width:7px 0 7px 12px;border-color:transparent transparent transparent var(--gold)}
.video-hero:hover .play-pill,.video-hero:focus-visible .play-pill{background:var(--brand);color:var(--dark)}
.video-hero:hover .play-pill::before{border-left-color:var(--dark)}
.cta-block{margin:44px 0;padding:28px;border:1px solid var(--charcoal);
  border-radius:var(--radius);background:rgba(104,177,244,.06);text-align:center}
.cta-block h2{margin-bottom:8px}
.cta-block p{color:var(--dust);margin-bottom:18px}
.prevnext{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  border-top:1px solid var(--charcoal);padding-top:22px;margin-top:12px;font-size:14px}

/* index list */
.month-head{font-size:13px;text-transform:uppercase;letter-spacing:.1em;
  color:var(--brand);font-weight:800;margin:32px 0 12px}
.list-item{display:block;padding:16px 0;border-bottom:1px solid rgba(144,70,50,.5)}
.list-item:hover{background:rgba(104,177,244,.04)}
.list-item .t{color:var(--platinum);font-weight:600;font-size:16px;line-height:1.45}
.list-item:hover .t{color:var(--brand)}

/* booking */
.slot{border:1px solid var(--brand);border-radius:var(--radius);
  background:var(--brand-soft);padding:26px;text-align:center;margin-bottom:22px}
.slot .when-day{font-size:clamp(22px,3.5vw,30px);font-weight:800;color:var(--platinum);line-height:1.2}
.slot .when-time{font-size:clamp(28px,4.5vw,40px);font-weight:800;color:var(--brand);margin-top:4px}
.slot .when-sub{font-size:14px;color:var(--dust);margin-top:10px}
form label{display:block;font-size:14px;font-weight:700;margin-bottom:6px;color:var(--platinum)}
form .field{margin-bottom:16px}
input,textarea{width:100%;padding:13px 14px;font:inherit;font-size:16px;
  background:rgba(0,0,0,.22);border:1px solid var(--charcoal);border-radius:9px;
  color:var(--platinum)}
input:focus,textarea:focus{border-color:var(--brand);outline:none}
textarea{min-height:88px;resize:vertical}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.err{color:#ffb4a2;font-size:14px;margin-top:10px}
.ok-box{border:1px solid var(--brand);background:var(--brand-soft);
  border-radius:var(--radius);padding:30px;text-align:center}
.ok-box h2{color:var(--brand);margin-bottom:10px}
[hidden]{display:none!important}

/* ── proof band (homepage teaser) ───────────────────────────────
   Compact by design: headline + stats + one scrolling row of who
   we build for + the single newest delivery. */
.proof{padding:44px 0 40px;border-top:1px solid var(--charcoal);
  border-bottom:1px solid var(--charcoal);
  background:linear-gradient(180deg,rgba(92,43,23,.32),transparent 65%)}
.proof-top{text-align:center}
.proof-top .pill{display:inline-block;margin-bottom:14px}
.proof h2{font-size:clamp(22px,3.6vw,34px)}
.accent{color:var(--brand)}

.stats{display:flex;justify-content:center;align-items:stretch;
  margin:22px auto 0;max-width:460px}
.stat{flex:1 1 0;display:flex;flex-direction:column;align-items:center;
  justify-content:center;padding:0 6px;position:relative;min-width:0}
.stat+.stat::before{content:"";position:absolute;left:0;top:14%;
  height:60%;width:1px;background:var(--charcoal)}
.stat strong{display:block;font-size:clamp(32px,7.5vw,46px);font-weight:800;
  line-height:1;color:var(--platinum);letter-spacing:-.03em;
  font-variant-numeric:tabular-nums}
.stat span{display:block;font-size:11px;font-weight:700;letter-spacing:.12em;
  text-transform:uppercase;color:var(--dust);margin-top:8px;white-space:nowrap}

/* one-line marquee, full bleed, fades at both edges */
.marquee{margin:30px 0 28px;overflow:hidden;position:relative;
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent);
  mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent)}
.marquee-track{display:flex;width:max-content;animation:slide 52s linear infinite}
.marquee:hover .marquee-track{animation-play-state:paused}
.marquee-list{display:flex;list-style:none;margin:0;padding:0;align-items:center}
.marquee-list li{white-space:nowrap;font-size:15px;font-weight:600;
  color:var(--platinum);padding:8px 0;margin:0 18px;position:relative}
.marquee-list li::after{content:"";position:absolute;right:-20px;top:50%;
  width:4px;height:4px;border-radius:50%;background:var(--brand);opacity:.55}
@keyframes slide{from{transform:translateX(0)}to{transform:translateX(-50%)}}

.proof-bottom{display:flex;flex-direction:column;align-items:center;gap:16px}
.latest-line{display:inline-flex;align-items:center;gap:10px;max-width:100%;
  padding:10px 16px;border:1px solid var(--charcoal);border-radius:999px;
  background:rgba(0,0,0,.18);transition:border-color .2s}
.latest-line:hover{border-color:var(--brand)}
.latest-line .lt{color:var(--platinum);font-weight:600;font-size:15px;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.latest-line:hover .lt{color:var(--brand)}
.latest-line time{color:var(--dust);font-size:13px;white-space:nowrap}

@media(max-width:560px){
  .proof{padding:36px 0 32px}
  .latest-line time{display:none}
  .latest-line{padding:9px 14px;gap:8px}
  .latest-line .lt{font-size:14px}
  .marquee-list li{font-size:14px;margin:0 14px}
  .marquee{margin:24px 0 22px}
}
@media(prefers-reduced-motion:reduce){
  .marquee-track{animation:none;width:auto;flex-wrap:wrap;justify-content:center}
  .marquee-list:nth-child(2){display:none}
  .marquee-list{flex-wrap:wrap;justify-content:center}
  .marquee{-webkit-mask-image:none;mask-image:none}
}

/* header nav must survive a phone. It held 5 links when this was written and holds 7
   now (24 Oct 2026), which pushed Book 43px off a 390px screen and let every page scroll
   sideways. On phones the links wrap to a second line instead, so any future link fits. */
/* 29 Oct 2026: phones now get a menu button instead of the wrapped second line,
   which read as a browser toolbar rather than a site header. Book stays visible
   beside the button. Without JS (no .has-js) the links simply show, stacked. */
.nav-book{padding:9px 16px;font-size:14px}
.site-header .nav-links{margin-left:auto}
.nav-actions{display:flex;align-items:center;gap:10px}
.nav-burger{display:none;align-items:center;justify-content:center;width:42px;height:42px;
  border-radius:10px;border:1px solid var(--charcoal);background:transparent;color:var(--platinum);cursor:pointer}
.nav-burger:hover{border-color:var(--brand)}
.nav-burger .i-close{display:none}
.site-header.open .nav-burger .i-menu{display:none}
.site-header.open .nav-burger .i-close{display:block}
@media(max-width:700px){
  .site-header .bar{flex-wrap:wrap;gap:0 10px;padding:10px 16px}
  .brand{font-size:17px}
  .nav-burger{display:inline-flex}
  .nav-book{padding:9px 16px;font-size:14px}
  .site-header .nav-links{order:3;width:100%;margin:0;flex-direction:column;align-items:stretch;
    gap:0;padding:6px 0 8px;font-size:17px}
  .site-header .nav-links a{padding:13px 2px;border-top:1px solid rgba(144,70,50,.55);color:var(--platinum)}
  .site-header.has-js:not(.open) .nav-links{display:none}
}


.pill-link{text-decoration:none;transition:background .2s,border-color .2s}
.pill-link:hover{background:rgba(104,177,244,.24);border-color:var(--brand);color:var(--brand)}

/* ── team ──────────────────────────────────────────────── */
.team{display:grid;gap:16px;margin-top:28px;text-align:left}
@media(min-width:760px){.team{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1040px){.team{grid-template-columns:repeat(4,1fr)}}
.person{border:1px solid var(--charcoal);border-radius:14px;padding:20px;
  background:rgba(92,43,23,.25)}
.person h3{font-size:17px;color:var(--platinum);line-height:1.3}
.person-role{color:var(--brand);font-weight:700;font-size:13px;
  letter-spacing:.02em;margin-top:4px}
.person h3 a.person-link{color:inherit;text-decoration:none;border-bottom:1px solid var(--brand);padding-bottom:1px}
.person h3 a.person-link:hover{color:var(--brand)}
.person-site{margin-top:10px;font-size:12px;font-weight:700;letter-spacing:.04em}
.person-site a{color:var(--brand);text-decoration:none}
.person-site a:hover{text-decoration:underline}
.person-does{color:var(--dust);font-size:14px;line-height:1.6;margin-top:10px}

/* ── reviews ───────────────────────────────────────────── */
.reviews{display:grid;gap:16px;margin-top:28px;text-align:left}
@media(min-width:840px){.reviews{grid-template-columns:repeat(3,1fr)}}
.reviews-all{margin-top:8px}
@media(min-width:840px){.reviews-all{grid-template-columns:repeat(2,1fr)}}
.review{margin:0;border:1px solid var(--charcoal);border-radius:14px;padding:22px;
  background:rgba(92,43,23,.25);display:flex;flex-direction:column}
.stars{color:var(--gold);font-size:15px;letter-spacing:2px;line-height:1}
.review blockquote{margin:12px 0 0;color:var(--platinum);font-size:15px;line-height:1.65}
.review blockquote::before{content:"\201C"}
.review blockquote::after{content:"\201D"}
.review figcaption{margin-top:14px;padding-top:12px;border-top:1px solid rgba(144,70,50,.55);
  font-weight:700;font-size:14px;color:var(--platinum)}
.review figcaption span{display:block;font-weight:400;font-size:13px;color:var(--dust);margin-top:2px}

/* ── address / map links ───────────────────────────────── */
.map-link{color:inherit;text-decoration:underline;text-decoration-color:var(--charcoal);
  text-underline-offset:3px;transition:color .2s,text-decoration-color .2s}
.map-link:hover{color:var(--brand);text-decoration-color:var(--brand)}
.site-footer .map-link{color:var(--dust)}
.site-footer .map-link:hover{color:var(--brand)}
.step .map-link{color:var(--brand);text-decoration-color:rgba(104,177,244,.45)}
.map-cta{margin-top:12px;color:var(--brand);font-weight:700;font-size:14px}
a.card:hover .map-cta{text-decoration:underline}

/* ── pricing ───────────────────────────────────────────── */
.prices{display:grid;gap:16px;margin-top:28px}
@media(min-width:820px){.prices{grid-template-columns:repeat(3,1fr);align-items:start}}
.price-card{border:1px solid var(--charcoal);border-radius:14px;padding:26px 22px;
  background:rgba(92,43,23,.25);text-align:center}
.price-card.featured{border-color:var(--brand);background:rgba(104,177,244,.07)}
.price-card h3{font-size:12px;font-weight:800;letter-spacing:.11em;
  text-transform:uppercase;color:var(--dust)}
.price-tag{display:flex;align-items:baseline;justify-content:center;gap:7px;margin:12px 0 8px}
.price-tag strong{font-size:clamp(38px,6.5vw,50px);font-weight:800;line-height:1;
  color:var(--platinum);letter-spacing:-.03em;font-variant-numeric:tabular-nums}
.price-tag span{font-size:15px;color:var(--dust);font-weight:600}
.price-lede{color:var(--brand);font-weight:700;font-size:15px;line-height:1.5;margin:0}

/* ── live chat ─────────────────────────────────────────── */
.chat-fab{position:fixed;right:16px;bottom:16px;z-index:80;display:inline-flex;
  align-items:center;gap:9px;padding:13px 18px;border-radius:999px;border:none;
  background:var(--brand);color:var(--dark);font:inherit;font-weight:800;font-size:15px;
  cursor:pointer;box-shadow:0 8px 26px rgba(0,0,0,.45)}
.chat-fab:hover{opacity:.92}
.chat-panel{position:fixed;right:16px;bottom:16px;z-index:81;width:min(390px,calc(100vw - 32px));
  height:min(560px,calc(100vh - 32px));display:flex;flex-direction:column;overflow:hidden;
  background:#3a1a0e;border:1px solid var(--charcoal);border-radius:16px;
  box-shadow:0 22px 60px rgba(0,0,0,.6)}
.chat-head{display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:14px 16px;border-bottom:1px solid var(--charcoal);background:rgba(92,43,23,.5)}
.chat-head strong{display:block;font-size:15px;color:var(--platinum)}
.chat-head span{display:block;font-size:12px;color:var(--dust);margin-top:2px}
.chat-head button{background:none;border:none;color:var(--dust);font-size:26px;
  line-height:1;cursor:pointer;padding:0 4px}
.chat-head button:hover{color:var(--platinum)}
.chat-log{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:10px}
.msg{max-width:88%;padding:11px 14px;border-radius:14px;font-size:15px;line-height:1.55;
  white-space:pre-wrap;word-wrap:break-word}
.msg.bot{align-self:flex-start;background:rgba(92,43,23,.62);
  border:1px solid var(--charcoal);color:var(--platinum);border-bottom-left-radius:5px}
.msg.me{align-self:flex-end;background:var(--brand);color:var(--dark);
  font-weight:600;border-bottom-right-radius:5px}
.msg.me a,.msg.bot a{text-decoration:underline}
.msg.me a{color:var(--dark)}
.msg.typing{display:flex;gap:5px;align-items:center;padding:15px 16px}
.msg.typing .dot{width:6px;height:6px;border-radius:50%;background:var(--brand);
  animation:blink 1.3s infinite both}
.msg.typing .dot:nth-child(2){animation-delay:.18s}
.msg.typing .dot:nth-child(3){animation-delay:.36s}
@keyframes blink{0%,80%,100%{opacity:.25}40%{opacity:1}}
.chips{display:flex;flex-wrap:wrap;gap:7px;margin-top:2px}
.chips button{background:rgba(104,177,244,.1);border:1px solid rgba(104,177,244,.32);
  color:var(--brand);font:inherit;font-size:13px;font-weight:600;padding:7px 12px;
  border-radius:999px;cursor:pointer;text-align:left}
.chips button:hover{background:rgba(104,177,244,.2)}
.chat-input{display:flex;gap:8px;padding:12px;border-top:1px solid var(--charcoal)}
.chat-input input{flex:1;padding:11px 13px;font-size:16px;border-radius:10px;
  border:1px solid var(--charcoal);background:rgba(0,0,0,.28);color:var(--platinum)}
.chat-input button{background:var(--brand);color:var(--dark);border:none;font:inherit;
  font-weight:800;font-size:14px;padding:0 18px;border-radius:10px;cursor:pointer}
.chat-foot{padding:0 14px 12px;margin:0;font-size:12px;color:var(--dust)}
@media(max-width:560px){
  .chat-fab{right:12px;bottom:12px;padding:12px 16px;font-size:14px}
  .chat-panel{right:8px;left:8px;bottom:8px;width:auto;height:min(78vh,560px)}
  .msg{max-width:92%}
}
@media(prefers-reduced-motion:reduce){.msg.typing .dot{animation:none;opacity:.6}}
@media print{.chat-fab,.chat-panel{display:none!important}}

@media(min-width:640px){
  .hero{padding:88px 0 60px}
  .section-pad{padding:56px 0}
  .wrap,.wrap-narrow{padding:0 32px}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}

/* Live 3D Personal AI mascot on the home page (29 Oct 2026). The static diagram is the
   fallback: it shows until the script adds .live (no WebGL, reduced motion, or no JS). */
.ai3d{max-width:960px;margin:28px auto 0}
.ai3d-stage,.ai3d-hint{display:none}
.ai3d.live .ai3d-stage{display:block}
.ai3d.live .ai3d-hint{display:block}
.ai3d.live .ai3d-static{display:none}
.ai3d-stage{position:relative;border:1px solid var(--charcoal);border-radius:var(--radius);overflow:hidden;background:#2A0F06;
  -webkit-user-select:none;user-select:none;touch-action:pan-y}
.ai3d canvas{display:block;width:100%}
.ai3d-tags,.ai3d-inside,.ai3d-cards{position:absolute;inset:0;pointer-events:none}
.ai3d-tag{position:absolute;left:0;top:0;pointer-events:auto;display:flex;align-items:center;gap:8px;padding:9px 16px 9px 12px;
  border-radius:999px;border:1.5px solid var(--c);background:rgba(22,10,5,.72);color:#fff;font:700 15px/1 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  letter-spacing:.01em;cursor:pointer;box-shadow:0 0 18px color-mix(in srgb,var(--c) 45%,transparent),inset 0 0 12px color-mix(in srgb,var(--c) 25%,transparent);
  -webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);transition:opacity .35s,box-shadow .2s;will-change:transform}
.ai3d-tag::before{content:"";width:9px;height:9px;border-radius:50%;background:var(--c);box-shadow:0 0 10px var(--c);animation:ai3dPulse 2.4s ease-in-out infinite}
.ai3d-tag:hover,.ai3d-tag:focus-visible{box-shadow:0 0 28px color-mix(in srgb,var(--c) 75%,transparent),inset 0 0 14px color-mix(in srgb,var(--c) 35%,transparent);outline:none}
@keyframes ai3dPulse{50%{transform:scale(1.5);opacity:.6}}
.ai3d:not(.ready) .ai3d-tag,.ai3d.diving .ai3d-tag{opacity:0;pointer-events:none}
.ai3d-inside.on{pointer-events:auto}
.ai3d-card{position:absolute;left:0;top:0;display:flex;flex-direction:column;align-items:center;gap:5px;width:156px;padding:14px 12px 13px;
  border-radius:16px;background:rgba(8,14,34,.58);border:1.5px solid var(--c);color:#fff;text-align:center;opacity:0;
  box-shadow:0 0 24px color-mix(in srgb,var(--c) 40%,transparent);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);will-change:transform,opacity}
.ai3d-card svg{width:30px;height:30px;fill:none;stroke:var(--c);stroke-width:2;stroke-linecap:round;stroke-linejoin:round;filter:drop-shadow(0 0 6px var(--c))}
.ai3d-card b{font-size:16px;line-height:1.2}
.ai3d-card span{font-size:12.5px;line-height:1.35;color:#D6E2F5}
.ai3d-hud{position:absolute;left:0;right:0;top:18px;text-align:center;opacity:0;transition:opacity .5s;padding:0 16px}
.ai3d-inside.on .ai3d-hud{opacity:1}
.ai3d-title{margin:0;font-size:30px;font-weight:800;letter-spacing:-.01em;color:#fff;text-shadow:0 0 22px var(--c)}
.ai3d-line{margin:6px auto 0;max-width:420px;font-size:15px;color:#E3ECF8}
.ai3d-back{position:absolute;left:50%;bottom:18px;transform:translateX(-50%);opacity:0;transition:opacity .5s;cursor:pointer;
  padding:11px 20px;border-radius:999px;border:1.5px solid rgba(255,255,255,.55);background:rgba(10,12,24,.6);color:#fff;font:700 15px/1 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif}
.ai3d-inside.on .ai3d-back{opacity:1}
.ai3d-hint{margin-top:10px;text-align:center}
@media(max-width:600px){
  .ai3d-tag{font-size:13px;padding:7px 12px 7px 9px;gap:6px}
  .ai3d-card{width:122px;padding:11px 9px 10px;border-radius:14px}
  .ai3d-card svg{width:24px;height:24px}.ai3d-card b{font-size:14px}.ai3d-card span{font-size:11px}
  .ai3d-title{font-size:24px}.ai3d-line{font-size:13px}
}

/* Hero chips (29 Oct 2026): the three words in the hero wear the mascot's module colours and,
   when the live 3D is running, scroll to it and open that module. Otherwise plain links. */
.ai3d-chip{display:inline-flex;align-items:center;gap:6px;padding:0 10px 1px 8px;border-radius:999px;border:1.5px solid var(--c);
  background:rgba(22,10,5,.55);color:var(--platinum);font-weight:700;text-decoration:none;white-space:nowrap;line-height:1.5;
  box-shadow:0 0 14px color-mix(in srgb,var(--c) 40%,transparent);transition:box-shadow .2s}
.ai3d-chip::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--c);box-shadow:0 0 8px var(--c)}
.ai3d-chip:hover,.ai3d-chip:focus-visible{color:var(--platinum);box-shadow:0 0 24px color-mix(in srgb,var(--c) 70%,transparent)}

/* Module cards under the mascot (29 Oct 2026): same glass, colour and glow as the 3D labels. */
.mod-card{display:block;text-decoration:none;color:inherit;background:linear-gradient(180deg,rgba(8,14,34,.62),rgba(26,11,5,.78));
  border:1.5px solid var(--c);box-shadow:0 0 22px color-mix(in srgb,var(--c) 32%,transparent),inset 0 0 18px color-mix(in srgb,var(--c) 12%,transparent);
  transition:box-shadow .2s,transform .2s}
.mod-card:hover,.mod-card:focus-visible{outline:none;transform:translateY(-2px);
  box-shadow:0 0 34px color-mix(in srgb,var(--c) 60%,transparent),inset 0 0 20px color-mix(in srgb,var(--c) 18%,transparent)}
.mod-card h3{display:flex;align-items:center;gap:12px;color:#fff;text-shadow:0 0 18px color-mix(in srgb,var(--c) 55%,transparent)}
.mod-card h3::before{content:"";flex:0 0 12px;height:12px;border-radius:50%;background:var(--c);box-shadow:0 0 12px var(--c);animation:ai3dPulse 2.4s ease-in-out infinite}
.mod-card p{color:#D6E2F5}
.mod-go{display:inline-block;margin-top:12px;font-size:14px;font-weight:700;letter-spacing:.02em;color:var(--c)}
@media (prefers-reduced-motion: reduce){.mod-card h3::before{animation:none}.mod-card{transition:none}}