:root{--bg:#090d16;--surface:#131b2e;--ink:#E8EEFB;--muted:#94A3C0;--blue:#06b6d4;--blue-d:#22d3ee;--soft:rgba(6,182,212,.13);--line:#1e293b;--lime:#6366f1;--lime-ink:#fff;--shadow:0 30px 70px -30px rgba(0,0,0,.85);--d:'Bricolage Grotesque','Segoe UI',system-ui,sans-serif;--b:'IBM Plex Sans','Segoe UI',system-ui,sans-serif;color-scheme:dark}
:root[data-theme=light]{--bg:#F3F6FC;--surface:#fff;--ink:#0A1B35;--muted:#52627B;--blue:#0E7490;--blue-d:#155E75;--soft:#E0F2FE;--line:#DCE3EE;--lime:#4f46e5;--shadow:0 28px 60px -30px rgba(10,27,53,.4);color-scheme:light}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:80px}
body{margin:0;background:var(--bg);color:var(--ink);font:400 1.05rem/1.7 var(--b);-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}a{color:inherit}
:focus-visible{outline:3px solid var(--blue);outline-offset:3px;border-radius:6px}
.skip{position:absolute;left:-999px;top:8px;background:var(--ink);color:var(--bg);padding:10px 16px;border-radius:8px;z-index:99}.skip:focus{left:12px}
.wrap{width:min(1140px,100% - 40px);margin-inline:auto}
h1,h2,h3{font-family:var(--d);letter-spacing:-.025em;margin:0}
h1{font-weight:800;font-size:clamp(2.3rem,5.4vw,4.1rem);line-height:1.04}
h2{font-weight:800;font-size:clamp(1.8rem,3.6vw,2.7rem);line-height:1.1}
h3{font-weight:700;font-size:1.3rem;line-height:1.2}
p{margin:0 0 1em}.muted{color:var(--muted)}
/* header */
.site{position:sticky;top:0;z-index:30;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.bar{display:flex;align-items:center;gap:18px;min-height:68px}
.brand{display:flex;align-items:center;gap:10px;font:800 1.15rem var(--d);text-decoration:none}
.brand b{display:grid;place-items:center;width:34px;height:34px;border-radius:10px;background:var(--lime);color:var(--lime-ink);font-size:.95rem}
.nav{margin-left:auto;display:flex;align-items:center;gap:4px}
.nav a{padding:8px 13px;border-radius:999px;text-decoration:none;font-weight:500;font-size:.95rem;color:var(--muted)}
.nav a:hover,.nav a[aria-current=page]{color:var(--ink);background:var(--soft)}
.nav a.btn{color:#031a22;margin-left:6px}
.tt,.menu{border:1px solid var(--line);background:var(--surface);color:var(--ink);width:40px;height:40px;border-radius:50%;cursor:pointer;font-size:1.05rem}
.menu{display:none}
@media(max-width:900px){.menu{display:block;margin-left:auto}.nav{position:absolute;top:68px;left:0;right:0;background:var(--bg);border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;padding:12px 20px 20px;display:none;margin:0}.nav.open{display:flex}.nav a{padding:12px 14px}.nav a.btn{margin:6px 0 0;text-align:center;justify-content:center}.tt{order:3}}
.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 24px;border-radius:999px;font:600 1rem var(--b);text-decoration:none;border:1.5px solid transparent;cursor:pointer;transition:transform .15s,background .15s}
.btn:active{transform:scale(.98)}.btn.p{background:var(--blue);color:#031a22}:root[data-theme=light] .btn.p,:root[data-theme=light] .nav a.btn{color:#fff}.btn.p:hover{background:var(--blue-d)}
.btn.g{background:var(--surface);border-color:var(--line)}.btn.g:hover{border-color:var(--blue)}
.btn.l{background:var(--lime);color:var(--lime-ink)}.btn.l:hover{filter:brightness(.94)}
.row{display:flex;flex-wrap:wrap;gap:12px}
/* hero */
.hero{padding:clamp(36px,6vw,84px) 0 clamp(40px,6vw,80px)}
.hg{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(30px,5vw,70px);align-items:center}
.pill{display:inline-flex;align-items:center;gap:10px;padding:7px 14px;border-radius:999px;background:var(--surface);border:1px solid var(--line);font-size:.92rem;font-weight:500}
.pill i{width:9px;height:9px;border-radius:50%;background:#2DBE4E;box-shadow:0 0 0 4px rgba(45,190,78,.22)}
.hero h1{margin:22px 0 20px;max-width:16ch}.lede{font-size:1.2rem;color:var(--muted);max-width:48ch;margin-bottom:28px}
.facts{display:flex;flex-wrap:wrap;gap:8px 22px;margin:30px 0 0;padding:0;list-style:none;color:var(--muted);font-size:.95rem}
.facts li::before{content:"";display:inline-block;width:8px;height:8px;border-radius:2px;background:var(--lime);margin-right:8px}
.por{position:relative;max-width:460px;margin-inline:auto;padding:0 0 26px 26px}
.por::before{content:"";position:absolute;inset:26px 26px 0 0;border-radius:200px 200px 32px 32px;background:var(--blue)}
.por img{position:relative;width:100%;aspect-ratio:4/5;object-fit:cover;border-radius:200px 200px 32px 32px;margin:0 0 0 26px;animation:up .9s cubic-bezier(.2,.8,.2,1) both}
.chip{position:absolute;background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:14px;padding:9px 14px;font:600 .9rem var(--b);animation:pop .6s cubic-bezier(.2,.9,.3,1.3) both}
.chip.a{top:18%;left:0;animation-delay:.5s}.chip.b{bottom:22%;left:-4px;animation-delay:.65s}.chip.c{bottom:2%;right:-8px;animation-delay:.8s;background:var(--lime);color:var(--lime-ink);border-color:transparent}
@keyframes up{from{opacity:0;transform:translateY(28px)}}@keyframes pop{from{opacity:0;transform:scale(.7)}}
@media(max-width:900px){.hg{grid-template-columns:1fr}.por{max-width:380px}.hero h1{max-width:none}}
/* marquee */
.mq{overflow:hidden;border-block:1px solid var(--line);background:var(--surface);padding:16px 0}
.mq div{display:flex;gap:44px;width:max-content;animation:mq 30s linear infinite;font:700 1.25rem var(--d);color:var(--muted)}
.mq span{white-space:nowrap}@keyframes mq{to{transform:translateX(-50%)}}
/* sections */
section{padding:clamp(56px,8vw,104px) 0}.alt{background:var(--surface);border-block:1px solid var(--line)}
.head{max-width:680px;margin-bottom:clamp(28px,4vw,50px)}.head p{color:var(--muted);font-size:1.12rem;margin:14px 0 0}
.page-h{padding:clamp(44px,7vw,92px) 0 clamp(20px,3vw,40px)}.page-h h1{max-width:20ch}.page-h .lede{margin:18px 0 0}
.crumbs{font-size:.9rem;color:var(--muted);margin-bottom:18px}.crumbs a{text-decoration:none}.crumbs a:hover{text-decoration:underline}
/* bento */
.bento{display:grid;grid-template-columns:repeat(6,1fr);gap:16px}
.bx{border:1px solid var(--line);background:var(--surface);border-radius:22px;padding:26px;grid-column:span 2;display:flex;flex-direction:column;gap:10px;text-decoration:none}
.bx.w{grid-column:span 4}.bx.d{background:linear-gradient(135deg,#4f46e5,#0e7490);color:#fff;border-color:transparent}.bx.d p{color:#DCE6FF}.bx.t{background:var(--lime);color:var(--lime-ink);border-color:transparent}.bx.t p{color:#E0E7FF}
.bx p{margin:0;color:var(--muted)}.bx .ic{width:42px;height:42px;border-radius:12px;background:var(--soft);color:var(--blue);display:grid;place-items:center;font:800 1.1rem var(--d)}
.bx.d .ic{background:rgba(255,255,255,.18);color:#fff}.bx.t .ic{background:rgba(0,0,0,.08);color:var(--lime-ink)}
@media(max-width:900px){.bx,.bx.w{grid-column:span 6}}
.chips{display:flex;flex-wrap:wrap;gap:8px;list-style:none;margin:0;padding:0}.chips li{font-size:.82rem;font-weight:600;padding:4px 11px;border-radius:8px;background:var(--soft);color:var(--blue)}
.bx.d .chips li{background:rgba(255,255,255,.18);color:#fff}
/* work */
.case{display:grid;grid-template-columns:1.2fr 1fr;gap:clamp(26px,5vw,64px);align-items:center;padding:clamp(22px,4vw,44px) 0}.case+.case{border-top:1px solid var(--line)}
.case.f .shot{order:2}.shot{border-radius:20px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);background:var(--soft)}
.shot img{width:100%;aspect-ratio:16/10;object-fit:cover}
.tag{display:inline-block;font-weight:600;font-size:.9rem;color:var(--blue);margin-bottom:8px}
.case h3{font-size:clamp(1.5rem,2.6vw,2rem);margin-bottom:12px}.case p{color:var(--muted)}
.ticks{list-style:none;margin:0 0 18px;padding:0}.ticks li{padding-left:26px;position:relative;margin:6px 0}.ticks li::before{content:"";position:absolute;left:0;top:.6em;width:12px;height:7px;border-left:2.5px solid var(--blue);border-bottom:2.5px solid var(--blue);transform:rotate(-45deg) translateY(-50%)}
@media(max-width:860px){.case{grid-template-columns:1fr}.case.f .shot{order:0}}
/* service rows */
.svc{border-top:1px solid var(--line)}.sr{display:grid;grid-template-columns:.8fr 1.4fr;gap:18px 40px;padding:30px 0;border-bottom:1px solid var(--line)}
.sr p{color:var(--muted);max-width:62ch;margin-bottom:12px}@media(max-width:720px){.sr{grid-template-columns:1fr}}
/* steps */
.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);counter-reset:s}
.steps li{padding-right:22px;position:relative;counter-increment:s}
.steps li::before{content:counter(s);display:grid;place-items:center;width:40px;height:40px;border-radius:50%;background:var(--blue);color:#031a22;font:700 1rem var(--d);margin-bottom:16px;position:relative;z-index:1}
.steps li::after{content:"";position:absolute;top:19px;left:40px;right:0;height:2px;background:var(--line)}.steps li:last-child::after{display:none}
.steps h3{margin-bottom:6px}.steps p{color:var(--muted);margin:0}
@media(max-width:860px){.steps{grid-template-columns:1fr;gap:24px}.steps li{padding:0 0 0 56px}.steps li::before{position:absolute;left:0;top:0;margin:0}.steps li::after{top:40px;bottom:-24px;left:19px;width:2px;height:auto;right:auto}}
/* trio */
.trio{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(20px,3vw,44px)}.trio>div{padding-top:18px;border-top:3px solid var(--blue)}.trio>div:nth-child(2){border-color:var(--lime)}.trio p{color:var(--muted);margin:8px 0 0}
@media(max-width:760px){.trio{grid-template-columns:1fr}}
/* faq */
.faq{max-width:820px}.faq details{border-bottom:1px solid var(--line);padding:4px 0}.faq summary{cursor:pointer;list-style:none;padding:18px 36px 18px 0;font:700 1.15rem var(--d);position:relative}
.faq summary::-webkit-details-marker{display:none}.faq summary::after{content:"+";position:absolute;right:4px;top:14px;font-size:1.6rem;font-weight:500;color:var(--blue);transition:transform .2s}
.faq details[open] summary::after{transform:rotate(45deg)}.faq details p{color:var(--muted);padding-bottom:16px;margin:0}
/* about */
.ab{display:grid;grid-template-columns:.8fr 1.2fr;gap:clamp(28px,5vw,70px);align-items:start}.ab img{border-radius:28px;aspect-ratio:4/5;object-fit:cover;width:100%;box-shadow:var(--shadow)}
.ans{border-left:4px solid var(--lime);background:var(--surface);padding:18px 22px;border-radius:0 16px 16px 0;margin:0 0 24px;font-size:1.12rem}
.stk{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px;list-style:none;margin:0;padding:0}.stk li{border:1px solid var(--line);background:var(--surface);border-radius:14px;padding:14px 16px;font-weight:600}
@media(max-width:800px){.ab{grid-template-columns:1fr}.ab img{max-width:360px}}
/* blog */
.posts{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}.post{border:1px solid var(--line);background:var(--surface);border-radius:22px;padding:28px;text-decoration:none;display:flex;flex-direction:column;gap:10px}.post:hover{border-color:var(--blue)}.post small{color:var(--muted)}.post p{color:var(--muted);margin:0}
@media(max-width:760px){.posts{grid-template-columns:1fr}}
.art{max-width:740px}.art h2{font-size:1.7rem;margin:38px 0 12px}.art p,.art li{font-size:1.1rem}.art ul{padding-left:1.2em}.meta{color:var(--muted);font-size:.95rem;margin-top:14px}
/* cta + forms */
.cta{background:linear-gradient(135deg,#131b2e,#1d2660);border:1px solid var(--line);color:#EAF0FA;border-radius:28px;padding:clamp(30px,5vw,64px);display:grid;grid-template-columns:1.1fr 1fr;gap:clamp(24px,5vw,60px);align-items:center}

.cta h2{color:#fff}.cta p{color:#A9BAD4}.cta .row{margin-top:8px}@media(max-width:820px){.cta{grid-template-columns:1fr}}
.fld{display:grid;gap:6px;margin-bottom:14px}.fld label{font-weight:600;font-size:.92rem}
.fld input,.fld select,.fld textarea{width:100%;font:inherit;color:inherit;background:var(--bg);border:1.5px solid var(--line);border-radius:12px;padding:12px 14px}
.fld textarea{min-height:112px;resize:vertical}.formbox{background:var(--surface);border:1px solid var(--line);border-radius:24px;padding:clamp(22px,3vw,34px)}
.hint{font-size:.88rem;color:var(--muted);margin:12px 0 0}
.two{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,5vw,60px);align-items:start}@media(max-width:820px){.two{grid-template-columns:1fr}}
.opt{border-top:1px solid var(--line);padding:20px 0}.opt:last-child{border-bottom:1px solid var(--line)}.opt p{color:var(--muted);margin:6px 0 0}
/* footer */
footer{border-top:1px solid var(--line);margin-top:clamp(40px,6vw,80px);padding:48px 0 34px;background:var(--surface)}
.fg{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:32px}.fg h3{font-size:1rem;margin-bottom:12px}.fg ul{list-style:none;margin:0;padding:0;display:grid;gap:8px}.fg a{text-decoration:none;color:var(--muted)}.fg a:hover{color:var(--blue);text-decoration:underline}
.copy{margin-top:34px;padding-top:20px;border-top:1px solid var(--line);color:var(--muted);font-size:.9rem;display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px}
@media(max-width:760px){.fg{grid-template-columns:1fr}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}}
/* ---- immersive layer ---- */
picture{display:block}
.shot img{aspect-ratio:16/9}
html.js .rv{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s cubic-bezier(.2,.8,.2,1)}
html.js .rv.in{opacity:1;transform:none}
.aura{position:fixed;inset:0;z-index:-2;overflow:hidden;pointer-events:none}
.aura i{position:absolute;width:44vmax;height:44vmax;border-radius:50%;filter:blur(90px);opacity:.34;animation:drift 22s ease-in-out infinite alternate}
.aura i:nth-child(1){background:var(--blue);top:-14vmax;left:-10vmax}
.aura i:nth-child(2){background:#18C7A3;right:-14vmax;top:22vh;animation-delay:-8s;opacity:.2}
.aura i:nth-child(3){background:var(--lime);bottom:-20vmax;left:30vw;animation-delay:-14s;opacity:.14}
:root:not([data-theme=dark]) .aura i{opacity:.16}
@keyframes drift{to{transform:translate(8vmax,6vmax) scale(1.15)}}
#fx{position:fixed;inset:0;width:100%;height:100%;z-index:-1;pointer-events:none}
.alt,.mq{background:color-mix(in srgb,var(--surface) 50%,transparent)}
.bx,.post,.formbox,.stk li,.chip{background:color-mix(in srgb,var(--surface) 62%,transparent);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px)}
.bx,.post{position:relative;overflow:hidden;transition:transform .25s,border-color .25s}
.bx::after,.post::after{content:"";position:absolute;inset:0;background:radial-gradient(260px circle at var(--mx,50%) var(--my,50%),rgba(127,160,255,.18),transparent 60%);opacity:0;transition:opacity .25s;pointer-events:none}
.bx:hover,.post:hover{transform:translateY(-4px);border-color:var(--blue)}.bx:hover::after,.post:hover::after{opacity:1}
.shot{transition:transform .3s,box-shadow .3s}.shot:hover{transform:translateY(-4px)}
.hero h1{max-width:19ch}
.tw{color:var(--blue)}.tw::after{content:"";display:inline-block;width:3px;height:.85em;background:var(--lime);margin-left:4px;vertical-align:-.08em;animation:blink 1s steps(1) infinite}
@keyframes blink{50%{opacity:0}}
.mkts{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.mkts .bx{grid-column:auto}
@media(max-width:900px){.mkts{grid-template-columns:1fr 1fr}}@media(max-width:520px){.mkts{grid-template-columns:1fr}}
.two .shot img{aspect-ratio:auto}
.por picture,.ab picture{display:block}.por img{margin-left:26px}
.por{padding:0 0 26px}.por img{width:calc(100% - 26px);margin:0 0 0 26px}
.hero h1{font-size:clamp(2.1rem,4.4vw,3.4rem);max-width:21ch}

/* ===== v2: obsidian glass theme ===== */
#bg{position:fixed;inset:0;width:100%;height:100%;z-index:0;pointer-events:none}
.aurora{position:fixed;inset:0;z-index:0;pointer-events:none;overflow:hidden}
.aurora i{position:absolute;width:55vmax;height:55vmax;border-radius:50%;filter:blur(90px);opacity:.27;will-change:transform;animation:drift 26s ease-in-out infinite alternate}
.aurora i:nth-child(1){background:#6366f1;top:-22vmax;left:-14vmax}.aurora i:nth-child(2){background:#06b6d4;bottom:-26vmax;right:-14vmax;animation-duration:32s;animation-delay:-9s}.aurora i:nth-child(3){background:#4f46e5;top:35%;left:42%;width:30vmax;height:30vmax;opacity:.15;animation-delay:-15s}
:root[data-theme=light] .aurora i{opacity:.13}@keyframes drift{to{transform:translate3d(8vmax,6vmax,0) scale(1.15)}}
main,footer{position:relative;z-index:1}
.glass,.bx,.post,.formbox,.stk li,.pc{background:color-mix(in srgb,var(--surface) 70%,transparent);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border:1px solid var(--line);transition:border-color .25s,box-shadow .25s,transform .25s}
.glass:hover,.bx:hover,.post:hover,.pc:hover{border-color:color-mix(in srgb,var(--blue) 60%,transparent);box-shadow:0 18px 50px -26px var(--blue)}
.bx.d,.bx.t{border-color:transparent}.bx.d{background:linear-gradient(135deg,#4f46e5,#0e7490)}.bx.t{background:#6366f1}
.alt{background:color-mix(in srgb,var(--surface) 42%,transparent)}.mq{background:color-mix(in srgb,var(--surface) 50%,transparent)}
.btn.p{box-shadow:0 12px 32px -14px var(--blue)}.fld select option{background:var(--surface);color:var(--ink)}
.gt{background:linear-gradient(90deg,#22d3ee,#818cf8);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero h1{max-width:none}.role{display:block;font-size:.5em;line-height:1.2;margin-top:14px;min-height:2.5em;letter-spacing:-.015em}
.caret{display:inline-block;width:3px;height:.85em;margin-left:4px;background:var(--blue);vertical-align:-.08em;animation:blink 1s steps(1) infinite}@keyframes blink{50%{opacity:0}}
.por{max-width:440px;padding:0}.por::before{inset:-3px;border-radius:34px;background:conic-gradient(from 140deg,#06b6d4,#6366f1,#06b6d4);filter:blur(20px);opacity:.5}
.por img{margin:0;border-radius:30px;border:1px solid var(--line)}
.chip{background:color-mix(in srgb,var(--surface) 78%,transparent);backdrop-filter:blur(12px);animation:pop .6s cubic-bezier(.2,.9,.3,1.3) both,fl 6s ease-in-out .9s infinite}
.chip.a{top:8%;left:-14px}.chip.b{top:38%;right:-14px;left:auto;bottom:auto;animation-delay:.65s,1.2s}.chip.c{bottom:16%;left:-16px;right:auto;background:#6366f1;color:#fff;animation-delay:.8s,1.5s}.chip.d{bottom:-6px;right:10%;animation-delay:.95s,1.8s}
@keyframes fl{50%{transform:translateY(-9px)}}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.st{padding:24px;border-radius:20px}
.st b{display:block;font:800 clamp(2rem,4vw,3rem)/1 var(--d);background:linear-gradient(90deg,#22d3ee,#818cf8);-webkit-background-clip:text;background-clip:text;color:transparent;margin-bottom:6px}.st span{color:var(--muted)}
.skills{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.skills>div{padding:26px;border-radius:22px}.skills h3{margin-bottom:14px}
.pgrid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}.pc{border-radius:22px;overflow:hidden;display:flex;flex-direction:column}
.pimg{overflow:hidden}.pimg img{width:100%;aspect-ratio:16/10;object-fit:cover;border-bottom:1px solid var(--line);transition:transform .5s}.pc:hover .pimg img{transform:scale(1.04)}
.pbody{padding:24px;display:flex;flex-direction:column;gap:10px;flex:1}.pbody p{color:var(--muted);margin:0}.pbody .btn{align-self:flex-start;margin-top:6px}
.cert{margin:0;border-radius:22px;overflow:hidden;max-width:560px}.cert figcaption{padding:16px 20px;color:var(--muted);font-size:.95rem}
.geo{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}.geo span{padding:8px 18px;border-radius:999px;border:1px solid var(--line);font-weight:600;background:color-mix(in srgb,var(--surface) 70%,transparent)}
@media(max-width:900px){.skills{grid-template-columns:1fr}}@media(max-width:760px){.stats{grid-template-columns:1fr 1fr}.pgrid{grid-template-columns:1fr}}
.role{min-height:1.4em}@media(max-width:560px){.role{min-height:2.6em}}
/* ===== v3: market cards, map, form, chatbot ===== */
.mk{padding:26px;border-radius:22px;text-decoration:none;display:block}.mk h3{margin-bottom:8px}.mk p{color:var(--muted);margin:0}
.map iframe{width:100%;height:380px;border:0;border-radius:22px;display:block;background:var(--surface)}
.sent{background:rgba(45,190,78,.14);border:1px solid rgba(45,190,78,.5);padding:12px 16px;border-radius:12px;margin-bottom:16px}.sent[hidden]{display:none}
.cb-fab{position:fixed;right:max(18px,env(safe-area-inset-right));bottom:max(18px,env(safe-area-inset-bottom));z-index:60;width:62px;height:62px;border-radius:50%;border:1px solid rgba(255,255,255,.2);background:linear-gradient(135deg,rgba(6,182,212,.9),rgba(99,102,241,.9));backdrop-filter:blur(10px);box-shadow:0 14px 40px -10px rgba(6,182,212,.65);cursor:pointer;display:grid;place-items:center;color:#fff;transition:transform .2s}
.cb-fab:hover{transform:scale(1.07)}.cb-fab svg{width:30px;height:30px}
.cb-fab::after{content:"";position:absolute;inset:-6px;border-radius:50%;border:2px solid var(--blue);opacity:0;animation:ping 2.8s ease-out infinite}@keyframes ping{0%{transform:scale(.85);opacity:.7}100%{transform:scale(1.3);opacity:0}}
.cb{position:fixed;right:max(18px,env(safe-area-inset-right));bottom:calc(max(18px,env(safe-area-inset-bottom)) + 76px);z-index:61;width:min(390px,calc(100vw - 24px));height:min(580px,calc(100vh - 130px));display:none;flex-direction:column;border-radius:24px;overflow:hidden;background:color-mix(in srgb,var(--surface) 84%,transparent);backdrop-filter:blur(22px);-webkit-backdrop-filter:blur(22px);border:1px solid var(--line);box-shadow:var(--shadow)}
.cb.open{display:flex;animation:up .35s cubic-bezier(.2,.8,.2,1) both}
.cb-h{display:flex;align-items:center;gap:12px;padding:14px 16px;border-bottom:1px solid var(--line);background:linear-gradient(135deg,rgba(6,182,212,.18),rgba(99,102,241,.18))}
.cb-av{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;background:#6366f1;color:#fff;font:800 .9rem var(--d)}
.cb-h b{display:block;font:700 1rem var(--d);line-height:1.2}.cb-h small{color:var(--muted);display:flex;align-items:center;gap:6px}.cb-h small::before{content:"";width:7px;height:7px;border-radius:50%;background:#2DBE4E}
.cb-x{margin-left:auto;width:34px;height:34px;border-radius:50%;border:1px solid var(--line);background:transparent;color:var(--ink);cursor:pointer;font-size:1.1rem}
.cb-log{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:10px}
.cb-m{max-width:88%;padding:10px 14px;border-radius:16px;font-size:.95rem;line-height:1.5;overflow-wrap:anywhere}
.cb-m.b{background:var(--soft);border-bottom-left-radius:4px;align-self:flex-start}.cb-m.u{background:var(--blue);color:#031a22;border-bottom-right-radius:4px;align-self:flex-end}
:root[data-theme=light] .cb-m.u{color:#fff}.cb-m a:not(.btn){color:inherit;text-decoration:underline}.cb-m .btn{margin-top:10px;padding:10px 18px;font-size:.92rem}
.cb-dots{display:inline-flex;gap:4px}.cb-dots i{width:6px;height:6px;border-radius:50%;background:var(--muted);animation:blink 1s infinite}.cb-dots i:nth-child(2){animation-delay:.15s}.cb-dots i:nth-child(3){animation-delay:.3s}
.cb-q{display:flex;flex-wrap:wrap;gap:6px;padding:0 16px 10px}.cb-q button{border:1px solid var(--line);background:transparent;color:var(--ink);border-radius:999px;padding:5px 12px;font:500 .85rem var(--b);cursor:pointer}.cb-q button:hover{border-color:var(--blue);color:var(--blue)}
.cb-f{display:flex;gap:8px;padding:12px;border-top:1px solid var(--line)}.cb-f input{flex:1;min-width:0;font:inherit;color:inherit;background:var(--bg);border:1.5px solid var(--line);border-radius:999px;padding:10px 16px}
.cb-f button{border:0;border-radius:999px;background:var(--blue);color:#031a22;font:600 .95rem var(--b);padding:0 18px;cursor:pointer}:root[data-theme=light] .cb-f button{color:#fff}
@media(max-width:520px){.cb{right:8px;left:8px;width:auto;bottom:calc(max(18px,env(safe-area-inset-bottom)) + 76px)}}