/* Agentic Tax Advisors — private concept (offline). System fonts only. */
:root{
  --navy:#041d37; --navy-2:#0a2c4f; --cobalt:#2273cb; --cobalt-bright:#2273cb; --sky:#9cc3ee; --mist:#e8eff8;
  --bg:#f5f7fb; --bg-alt:#e8eff8; --surface:#fff; --ink:#041d37; --muted:#44546e; --line:#cfd9ea;
  --link:#1a62b0; --contour:rgba(34,115,203,.16); --focus:#1a62b0;
  --serif:Georgia,"Iowan Old Style","Palatino Linotype",Palatino,"Times New Roman",serif;
  --sans:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --radius:14px; --shadow:0 1px 2px rgba(11,31,58,.06),0 8px 24px rgba(11,31,58,.07);
}
:root[data-theme="dark"]{
  --bg:#031527; --bg-alt:#07213c; --surface:#0b2a4a; --ink:#eef3fb; --muted:#b4c3dc; --line:#1f4a75;
  --link:#86b8ee; --contour:rgba(134,184,238,.14); --focus:#9cc3ee; --shadow:0 1px 2px rgba(0,0,0,.3),0 8px 24px rgba(0,0,0,.25);
}
@media (prefers-color-scheme:dark){
  :root[data-theme="auto"]{
    --bg:#031527; --bg-alt:#07213c; --surface:#0b2a4a; --ink:#eef3fb; --muted:#b4c3dc; --line:#1f4a75;
    --link:#86b8ee; --contour:rgba(134,184,238,.14); --focus:#9cc3ee; --shadow:0 1px 2px rgba(0,0,0,.3),0 8px 24px rgba(0,0,0,.25);
  }
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:5rem;-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--sans);font-size:1.0625rem;line-height:1.65;color:var(--ink);background:var(--bg)}
img,svg{max-width:100%}
a{color:var(--link)}
h1,h2,h3,h4{font-family:var(--serif);font-weight:600;line-height:1.15;margin:0 0 .5em;letter-spacing:-.01em}
h2{font-size:clamp(1.8rem,3.6vw,2.6rem)}
h3{font-size:1.25rem}
h4{font-size:1.05rem}
p{margin:0 0 1em}
ul,ol{margin:0;padding:0}
.wrap{width:min(1120px,100% - 2.5rem);margin-inline:auto}
.narrow{width:min(780px,100% - 2.5rem)}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.svg-defs{position:absolute;width:0;height:0;overflow:hidden}
:focus-visible{outline:3px solid var(--focus);outline-offset:3px;border-radius:4px}
.hero :focus-visible,.cta :focus-visible,.topbar :focus-visible,.site-footer :focus-visible{outline-color:#d3e5f8}

.topbar{background:#021426;color:#d3e5f8;text-align:center;font-size:.78rem;letter-spacing:.2em;font-weight:600}
.topbar p{margin:0;padding:.5rem 1rem}
.skip-link{position:absolute;left:.75rem;top:-4rem;background:#fff;color:var(--navy);padding:.6rem 1rem;border-radius:8px;z-index:100;font-weight:600}
.skip-link:focus{top:.75rem}

.site-header{position:sticky;top:0;z-index:50;background:var(--navy);color:#fff;border-bottom:1px solid rgba(156,195,238,.2)}
.header-inner{display:flex;align-items:center;gap:1rem;min-height:4rem;flex-wrap:wrap;padding-block:.35rem}
.wordmark{display:inline-flex;align-items:center;color:#fff;text-decoration:none;margin-right:auto;border-radius:6px}
.brand-lockup{display:block;height:3rem;width:auto;max-width:100%}
.site-nav ul{list-style:none;display:flex;gap:.25rem}
.site-nav a{display:block;padding:.5rem .8rem;color:#e8efff;text-decoration:none;border-radius:8px;font-size:.95rem}
.site-nav a:hover{background:rgba(156,195,238,.16);color:#fff}
.nav-toggle,.theme-toggle{font:inherit;font-size:.9rem;color:#fff;background:transparent;border:1px solid rgba(156,195,238,.5);border-radius:999px;padding:.4rem .9rem;cursor:pointer}
.nav-toggle{display:none}
.nav-toggle:hover,.theme-toggle:hover{background:rgba(156,195,238,.16)}
.theme-toggle{display:inline-flex;align-items:center;gap:.45rem}
.tt-icon{width:.9rem;height:.9rem;border-radius:50%;border:2px solid currentColor;background:linear-gradient(90deg,currentColor 50%,transparent 50%)}

.btn{display:inline-block;font:inherit;font-weight:600;font-size:1rem;text-decoration:none;cursor:pointer;border-radius:999px;padding:.8rem 1.6rem;border:2px solid transparent;transition:background .15s,transform .15s}
.btn-primary{background:var(--cobalt-bright);color:#fff}
.btn-primary:hover{background:#1b62b2}
.btn-outline{border-color:#d3e5f8;color:#fff;background:transparent}
.btn-outline:hover{background:rgba(255,255,255,.12)}
.btn-ghost{background:transparent;border-color:var(--link);color:var(--link)}
.btn-ghost:hover{background:var(--bg-alt)}
.btn-sm{padding:.4rem 1rem;font-size:.9rem}
.cta-row{display:flex;flex-wrap:wrap;gap:.9rem;margin:2rem 0 1.8rem}

/* art */
.art{position:absolute;inset:0;overflow:hidden;pointer-events:none}
.art svg{position:absolute;inset:0;width:100%;height:100%}
.art-contours{color:rgba(156,195,238,.28)}
.art .art-ridges{color:#8db6e3;top:auto;bottom:0;height:42%;opacity:.8}
.art-cta .art-ridges{height:30%;opacity:.55}
.art-cta .art-contours{color:rgba(156,195,238,.16)}
.hero{position:relative;background:linear-gradient(160deg,var(--navy) 0%,#0a2f55 70%,#0f4170 100%);color:#fff;overflow:hidden;isolation:isolate}
.hero .art{z-index:-1}
.hero-inner{padding:clamp(3.5rem,9vw,7rem) 0 clamp(7rem,16vw,12rem);max-width:56rem;margin-left:max(1.25rem,calc((100% - 1120px)/2))}
.eyebrow{font-size:.85rem;letter-spacing:.22em;text-transform:uppercase;color:var(--sky);font-weight:700;margin-bottom:1.2rem}
h1{font-size:clamp(2.4rem,6.5vw,4.6rem);line-height:1.04;margin-bottom:.5em;max-width:14em}
.lead{font-size:clamp(1.1rem,2vw,1.35rem);max-width:38em;color:#e6eefa;line-height:1.55}
.tagline{font-family:var(--serif);font-style:italic;color:var(--sky);font-size:1.15rem;margin:0}

.section{padding:clamp(3.5rem,8vw,6rem) 0;position:relative}
.section-alt{background:var(--bg-alt)}
.kicker{font-size:.8rem;letter-spacing:.2em;text-transform:uppercase;font-weight:700;color:var(--link);margin-bottom:.8rem}
.section-lead{font-family:var(--serif);font-size:1.35rem;color:var(--muted);max-width:36em}
.pill{display:inline-block;margin-left:.4rem;padding:.1rem .6rem;border:1px solid currentColor;border-radius:999px;font-size:.7rem;letter-spacing:.08em;text-transform:uppercase;vertical-align:middle}
.tag-note,.muted{color:var(--muted);font-size:.9rem}
.tag-note{margin-top:1rem}
.disclaimer{margin-top:2rem;padding:1rem 1.2rem;border-left:4px solid var(--cobalt);background:var(--surface);color:var(--muted);font-size:.95rem;border-radius:0 8px 8px 0}

.triple{list-style:none;display:grid;grid-template-columns:repeat(auto-fit,minmax(15rem,1fr));gap:1.25rem;margin-top:2.5rem}
.triple li,.integ li,.persp,.person{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:1.6rem;box-shadow:var(--shadow)}
.triple p{margin:0;color:var(--muted)}
.ico,.step-num{display:inline-grid;place-items:center;width:2.4rem;height:2.4rem;border-radius:50%;background:var(--navy);color:var(--sky);font-weight:700;margin-bottom:1rem;font-family:var(--serif)}
:root[data-theme="dark"] .ico,:root[data-theme="dark"] .step-num{background:#12406f;color:#fff}

.svc-layout{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(0,1fr);gap:2.5rem;margin-top:2rem;align-items:start}
.svc-list{display:grid;gap:.9rem}
.svc-aside{position:relative;overflow:hidden;isolation:isolate;background:var(--navy);color:#e6eefa;border-radius:var(--radius);padding:2rem;position:sticky;top:6rem}
.svc-aside p:last-child{margin:0}
.aside-art{position:absolute;inset:0;width:100%;height:100%;z-index:-1;color:rgba(156,195,238,.22)}
.aside-q{font-family:var(--serif);font-size:1.5rem;line-height:1.25;color:#fff}
details.svc{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
details.svc summary,.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:1rem;padding:1.1rem 1.4rem}
summary::-webkit-details-marker{display:none}
.svc-num{display:grid;place-items:center;flex:none;width:2.2rem;height:2.2rem;border-radius:50%;background:var(--cobalt);color:#fff;font-weight:700}
.svc-title{font-family:var(--serif);font-size:1.3rem;font-weight:600;flex:1}
.svc-icon,.faq-item summary::after{width:.7rem;height:.7rem;border-right:2px solid var(--link);border-bottom:2px solid var(--link);transform:rotate(45deg);transition:transform .2s;flex:none;margin-right:.3rem}
details[open]>summary .svc-icon{transform:rotate(-135deg)}
.svc-body{padding:0 1.4rem 1.3rem 4.6rem}
.svc-body ul{list-style:none}
.svc-body li{position:relative;padding:.25rem 0 .25rem 1.3rem}
.svc-body li::before{content:"";position:absolute;left:0;top:.95em;width:.5rem;height:.5rem;border-radius:50%;background:var(--cobalt)}

.steps,.rhythm{list-style:none;display:grid;grid-template-columns:repeat(auto-fit,minmax(15rem,1fr));gap:1.5rem;margin-top:2.5rem}
.steps li{border-top:3px solid var(--cobalt);padding-top:1.4rem}
.steps p{color:var(--muted)}

.two-col{display:grid;grid-template-columns:1.1fr 1fr;gap:3rem}
.path-picker{display:grid;grid-template-columns:1fr 1fr;gap:.7rem;margin:1.5rem 0}
.path-btn{font:inherit;text-align:left;padding:1rem 1.1rem;background:var(--surface);color:var(--ink);border:2px solid var(--line);border-radius:var(--radius);cursor:pointer;font-weight:600}
.path-btn:hover{border-color:var(--cobalt)}
.path-btn[aria-pressed="true"]{background:var(--navy);color:#fff;border-color:var(--navy)}
:root[data-theme="dark"] .path-btn[aria-pressed="true"]{background:var(--cobalt-bright);border-color:var(--cobalt-bright)}
.path-out{min-height:7.5rem;padding:1.1rem 1.3rem;background:var(--surface);border:1px dashed var(--line);border-radius:var(--radius)}
.path-out p{margin:0}
.path-default{color:var(--muted)}
.chips{list-style:none;display:flex;flex-wrap:wrap;gap:.6rem;margin-top:1.4rem}
.chip{background:var(--surface);border:1px solid var(--line);border-radius:999px;padding:.5rem 1rem;font-weight:600}
.chip-tag{margin-left:.3rem;font-size:.68rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);font-weight:600}

.rhythm{counter-reset:q;position:relative}
.rhythm li{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:1.5rem}
.q-dot{position:absolute;top:-.45rem;left:1.5rem;width:.9rem;height:.9rem;border-radius:50%;background:var(--cobalt);box-shadow:0 0 0 4px var(--bg)}
.q-label{display:block;font-size:.75rem;letter-spacing:.16em;text-transform:uppercase;color:var(--link);font-weight:700;margin-bottom:.3rem}
.rhythm p{color:var(--muted);margin:0}

.team{list-style:none;display:flex;flex-wrap:wrap;justify-content:center;gap:1.25rem;margin-top:2.5rem}
.team .person{flex:0 1 16.5rem}
.person{text-align:center;display:flex;flex-direction:column;align-items:center}
.avatar{display:grid;place-items:center;width:6.5rem;height:6.5rem;border-radius:50%;background:radial-gradient(circle at 30% 25%,#2273cb,#041d37);color:#fff;font-family:var(--serif);font-size:2rem;letter-spacing:.04em;border:3px solid var(--bg-alt);box-shadow:0 0 0 2px var(--line)}
.avatar-sm{width:4.5rem;height:4.5rem;font-size:1.4rem;margin:0 auto 1rem}
.headshot{display:block;width:9.5rem;height:auto;aspect-ratio:4/5;object-fit:cover;object-position:50% 20%;border-radius:calc(var(--radius) + 2px);background:var(--bg-alt);border:3px solid var(--bg-alt);box-shadow:0 0 0 2px var(--line);margin:0 auto 1rem}
.headshot-sm{width:6.5rem;margin-bottom:1.1rem}
.photo-pending{font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin:.5rem 0 .8rem}
.person h3{margin-bottom:.2rem}
.cred{display:inline-block;margin-left:.2rem;font-family:var(--sans);font-size:.7rem;font-weight:700;letter-spacing:.1em;padding:.1rem .45rem;border-radius:4px;background:var(--bg-alt);border:1px solid var(--line);vertical-align:middle}
.role{color:var(--muted);margin-bottom:.6rem}
.draft-flag{font-size:.78rem;color:var(--muted);font-style:italic}
.person .btn{margin-top:auto}

.statement{background:var(--navy);color:#fff;overflow:hidden;isolation:isolate}
.statement .art{z-index:-1}
.statement .kicker{color:var(--sky)}
.statement h2{font-size:clamp(1.8rem,4vw,3rem)}
.big{font-family:var(--serif);font-size:clamp(1.15rem,2vw,1.45rem);line-height:1.6;color:#e6eefa}

.demo{margin-top:2rem;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}
.demo-head{display:flex;flex-wrap:wrap;align-items:center;gap:.8rem 1rem;padding:1rem 1.4rem;background:var(--bg-alt);border-bottom:1px solid var(--line)}
.demo-head p{margin:0;flex:1;color:var(--muted);font-size:.92rem}
.demo-badge{background:#b3261e;color:#fff;font-weight:700;font-size:.72rem;letter-spacing:.14em;padding:.25rem .65rem;border-radius:4px}
.tabs{display:flex;gap:.25rem;padding:.6rem 1rem 0;border-bottom:1px solid var(--line);overflow-x:auto}
.tabs [role=tab]{font:inherit;font-weight:600;background:none;color:var(--muted);border:0;border-bottom:3px solid transparent;padding:.7rem 1rem;cursor:pointer;white-space:nowrap}
.tabs [role=tab][aria-selected=true]{color:var(--ink);border-bottom-color:var(--cobalt)}
.panel{padding:1.5rem 1.4rem 1.8rem}
.fic{font-family:var(--sans);font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;border:1px solid var(--line);border-radius:999px;padding:.1rem .55rem;color:var(--muted);vertical-align:middle;margin-left:.4rem}
.glance{list-style:none;display:grid;grid-template-columns:repeat(auto-fit,minmax(14rem,1fr));gap:1rem}
.glance li{padding:1rem;border:1px solid var(--line);border-radius:10px}
.g-label{display:block;font-size:.75rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.g-val{font-weight:600}
.g-val em{font-weight:400;color:var(--muted)}
.docs{list-style:none;display:grid;gap:.6rem}
.docs li{display:flex;justify-content:space-between;align-items:center;gap:1rem;padding:.8rem 1rem;border:1px solid var(--line);border-radius:10px}
.status{font:inherit;font-size:.85rem;font-weight:600;padding:.3rem .9rem;border-radius:999px;border:2px solid var(--line);background:var(--bg-alt);color:var(--ink);cursor:pointer}
.status[aria-pressed=true]{background:#1c6b45;border-color:#1c6b45;color:#fff}
.thread{list-style:none;display:grid;gap:.8rem;max-width:36rem}
.msg{padding:.8rem 1rem;border-radius:12px;max-width:85%}
.msg p{margin:0}
.who{display:block;font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;font-weight:700;margin-bottom:.2rem}
.msg-team{background:var(--bg-alt);border:1px solid var(--line)}
.msg-you{background:var(--navy);color:#fff;margin-left:auto}
:root[data-theme="dark"] .msg-you{background:var(--cobalt-bright)}
.sub-h{margin-top:2.5rem}
.integ{list-style:none;display:grid;grid-template-columns:repeat(auto-fit,minmax(15rem,1fr));gap:1.25rem}
.integ p{color:var(--muted);margin:0}

.persp-grid{list-style:none;display:grid;grid-template-columns:repeat(auto-fit,minmax(16rem,1fr));gap:1.25rem;margin-top:2rem}
.persp{padding:0;overflow:hidden;display:flex;flex-direction:column}
.persp>*:not(.persp-art){margin-inline:1.5rem}
.persp-art{position:relative;height:7.5rem;background:linear-gradient(160deg,var(--navy),#0f3b69);color:rgba(156,195,238,.4);margin-bottom:1.2rem}
.persp-art svg{position:absolute;inset:0;width:100%;height:100%}
.eyebrow-sm{font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);font-weight:700;margin-bottom:.4rem}
.persp p{color:var(--muted)}
.persp-soon{font-size:.85rem;color:var(--muted);font-style:italic;margin-bottom:1.4rem}

.faq{display:grid;gap:.7rem;margin-top:1.5rem}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:12px}
.faq-item summary{justify-content:space-between;font-weight:600}
.faq-item[open] summary::after{transform:rotate(-135deg)}
.faq-item p{padding:0 1.4rem;margin:0 0 1.2rem;color:var(--muted)}

.cta{position:relative;background:linear-gradient(160deg,var(--navy),#0b3059);color:#fff;overflow:hidden;isolation:isolate;padding:clamp(4rem,9vw,7rem) 0}
.cta .art{z-index:-1}
.cta-inner{text-align:center}
.cta h2{font-size:clamp(2rem,5vw,3.4rem)}
.first-steps{list-style:none;display:grid;gap:.8rem;max-width:30rem;margin:2rem auto;text-align:left}
.first-steps li{display:flex;gap:1rem;align-items:center;font-size:1.1rem}
.first-steps span{flex:none;display:grid;place-items:center;width:2.2rem;height:2.2rem;border-radius:50%;background:rgba(156,195,238,.2);border:1px solid var(--sky);font-family:var(--serif)}

.site-footer{background:#021426;color:#cdd9ee;padding:3rem 0 2.5rem}
.wordmark-foot{display:block;margin:0}
.wordmark-foot .brand-lockup{height:auto;width:min(21rem,82vw)}
.foot-tagline{margin:1.1rem 0 0;font-family:var(--serif);font-style:italic;font-size:1.1rem;color:#e6eefa}
.foot-domain{margin-top:1rem;max-width:44rem}
.foot-legal{font-size:.9rem;color:#a9b8d2}
.notes{margin-top:2rem;border:1px solid rgba(156,195,238,.3);border-radius:12px;background:rgba(255,255,255,.04)}
.notes summary{cursor:pointer;padding:1rem 1.3rem;font-weight:700;color:#fff}
.notes-body{padding:0 1.3rem 1.3rem}
.notes-body h3{font-size:1.05rem;color:var(--sky);margin-top:1rem}
.notes-body ul{padding-left:1.2rem}
.notes-body li{margin:.3rem 0}
.checklist{list-style:none;padding-left:0!important}
.checklist li{padding-left:1.9rem;position:relative}
.checklist li::before{content:"";position:absolute;left:0;top:.35em;width:1rem;height:1rem;border:2px solid var(--sky);border-radius:3px}

.dlg{border:0;border-radius:var(--radius);padding:0;max-width:min(30rem,calc(100% - 2rem));width:100%;background:var(--surface);color:var(--ink);box-shadow:0 20px 60px rgba(0,0,0,.4)}
.dlg::backdrop{background:rgba(5,15,32,.7)}
.dlg-inner{padding:2rem;text-align:center}
.dlg-inner .btn{margin-top:.5rem}

@media (max-width:820px){
  .two-col,.svc-layout{grid-template-columns:1fr;gap:2.5rem}
  .svc-aside{position:relative;top:0}
  .nav-toggle{display:inline-block}
  .site-nav{display:none;order:5;width:100%}
  .site-nav.open{display:block}
  .site-nav ul{flex-direction:column;padding-bottom:.6rem}
  .svc-body{padding-left:1.4rem}
}
@media (max-width:480px){
  .path-picker{grid-template-columns:1fr}
  .brand-lockup{height:2.4rem}
  .tt-text{display:none}
  .msg{max-width:100%}
  .tabs [role=tab]{padding:.7rem .6rem;font-size:.95rem}
  .tabs{padding-inline:.5rem}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none!important;animation:none!important;scroll-behavior:auto!important}
}
@media (forced-colors:active){.btn,.path-btn,.status{border:2px solid ButtonText}}