/* RBA Systems — dual-shore (Texas + India) software company. Deep navy ground, single blue brand
   accent (two shades: primary + secondary) shared across RBA and Veil. Fraunces display + Manrope body. */
:root{
  --bg:#060C22; --bg2:#0A1330; --surface:#101A3D; --surface2:#172352; --line:#22305C; --line2:#2E3D74;
  --ink:#F3F5FC; --ink2:#B7C2E8; --ink3:#7784B0;
  --copper:#2D5BFF; --copper-ink:#6690FF; --copper-soft:rgba(45,91,255,.14);
  --teal:#4F8DFF; --teal-ink:#8FB3FF; --teal-soft:rgba(79,141,255,.14);
  --good:#4ADE80; --warn:#FBBF24;
  --display:"Fraunces","Iowan Old Style",Georgia,serif; --body:"Manrope",system-ui,-apple-system,sans-serif; --mono:"IBM Plex Mono",ui-monospace,Menlo,monospace;
  --max:1160px;
}
*{box-sizing:border-box} html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto} .reveal{opacity:1!important;transform:none!important;transition:none!important} .arc-path{animation:none!important}}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--body);font-size:17px;line-height:1.62;-webkit-font-smoothing:antialiased}
a{color:var(--teal-ink);text-decoration:none} a:hover{text-decoration:underline}
h1,h2,h3,h4{font-family:var(--display);margin:0;text-wrap:balance;letter-spacing:-.01em;font-weight:600}
h1{font-size:clamp(38px,5vw,60px);line-height:1.04;font-weight:600}
h2{font-size:clamp(28px,3.2vw,38px);line-height:1.12;font-weight:600}
h3{font-size:21px;font-weight:600;line-height:1.3}
p{margin:0} .muted{color:var(--ink2)} .dim{color:var(--ink3)} .small{font-size:14px}
code,pre{font-family:var(--mono);font-size:.85em}
code{background:var(--surface2);border:1px solid var(--line);padding:1px 6px;border-radius:6px;color:var(--teal-ink)}
.wrap{max-width:var(--max);margin:0 auto;padding:0 28px}
.eyebrow{font-family:var(--mono);font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--copper-ink);font-weight:500}
.eyebrow.t{color:var(--teal-ink)}
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 22px;border-radius:9px;font-weight:600;font-size:15px;border:1px solid var(--line2);background:var(--surface);color:var(--ink);cursor:pointer;transition:transform .12s,background .12s,border-color .12s;font-family:var(--body)}
.btn:hover{text-decoration:none;background:var(--surface2);border-color:var(--copper);transform:translateY(-1px)}
.btn.primary{background:linear-gradient(135deg,var(--copper),#1740C4);border-color:transparent;color:#F3F5FC;box-shadow:0 10px 30px -12px rgba(45,91,255,.55)}
.btn.primary:hover{filter:brightness(1.06)}
.btn.teal{background:linear-gradient(135deg,var(--teal),#17398F);border-color:transparent;color:#F3F5FC}
.btn.ghost{background:transparent;border-color:transparent;color:var(--teal-ink)} .btn.sm{padding:8px 15px;font-size:14px}
.btn:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:2px solid var(--teal);outline-offset:2px}
.nav{position:sticky;top:0;z-index:40;backdrop-filter:blur(14px);background:rgba(6,12,34,.78);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;gap:26px;height:68px}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--display);font-weight:600;font-size:21px;color:var(--ink)} .brand img{width:34px;height:34px}
.brand:hover{text-decoration:none} .brand small{display:block;font-family:var(--mono);font-size:9px;letter-spacing:.1em;color:var(--ink3);font-weight:500;text-transform:uppercase;margin-top:1px}
.nav nav{display:flex;gap:22px;margin-left:8px;position:relative} .nav nav>a{color:var(--ink2);font-weight:500;font-size:15px;padding:6px 0} .nav nav>a:hover,.nav nav>a.active{color:var(--ink);text-decoration:none}
.nav .cta{margin-left:auto;display:flex;gap:10px;align-items:center}
.nav .burger{display:none;margin-left:auto;background:none;border:1px solid var(--line);color:var(--ink);border-radius:8px;padding:6px 10px}
.dropdown{position:relative}
.dropdown .menu{display:none;position:absolute;top:38px;left:-16px;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:8px;min-width:230px;box-shadow:0 20px 50px -20px rgba(0,0,0,.6)}
.dropdown:hover .menu,.dropdown:focus-within .menu{display:block}
.dropdown .menu a{display:flex;flex-direction:column;gap:1px;padding:9px 12px;border-radius:8px;color:var(--ink)} .dropdown .menu a:hover{background:var(--surface2);text-decoration:none}
.dropdown .menu a span{font-size:12px;color:var(--ink3);font-weight:400}
@media (max-width:960px){.nav nav{display:none;position:absolute;top:68px;left:0;right:0;flex-direction:column;background:var(--bg2);border-bottom:1px solid var(--line);padding:16px 24px;gap:4px}.nav nav.open{display:flex}.nav nav .dropdown .menu{position:static;border:0;padding:4px 0 4px 12px;display:block;background:none}.nav .cta{display:none}.nav .burger{display:block}}
.hero{position:relative;overflow:hidden;padding:88px 0 64px}
.hero .grid{display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center;position:relative;z-index:1}
@media (max-width:980px){.hero .grid{grid-template-columns:1fr}}
.hero .lede{font-size:20px;color:var(--ink2);max-width:58ch;margin-top:20px}
.hero .ctas{display:flex;gap:12px;margin-top:30px;flex-wrap:wrap}
.hero .proof{display:flex;gap:26px;flex-wrap:wrap;margin-top:38px;font-size:13.5px;color:var(--ink3)} .hero .proof b{color:var(--ink);font-family:var(--display);font-size:19px;display:block;font-weight:600}
.card{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:24px}
.card h3{margin-bottom:8px} .card p{color:var(--ink2);font-size:15.5px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:18px} .grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px} .grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
@media (max-width:960px){.grid3,.grid4{grid-template-columns:repeat(2,1fr)}} @media (max-width:640px){.grid2,.grid3,.grid4{grid-template-columns:1fr}}
section{padding:76px 0} section.tight{padding:46px 0} .sec-head{max-width:66ch;margin-bottom:36px} .sec-head h2{margin:10px 0 12px} .sec-head p{color:var(--ink2);font-size:18px}
.tag{display:inline-block;padding:2px 10px;border-radius:999px;font-family:var(--mono);font-size:11px;font-weight:500;letter-spacing:.02em;white-space:nowrap;border:1px solid transparent}
.tag.c{background:var(--copper-soft);color:var(--copper-ink);border-color:rgba(45,91,255,.3)} .tag.t{background:var(--teal-soft);color:var(--teal-ink);border-color:rgba(79,141,255,.3)} .tag.dim{background:var(--surface2);color:var(--ink3)}
.icon{width:42px;height:42px;border-radius:11px;display:grid;place-items:center;background:var(--copper-soft);color:var(--copper-ink);margin-bottom:14px;font-size:19px}
.icon.t{background:var(--teal-soft);color:var(--teal-ink)}
/* bridge motif — Texas <-> India arc */
.bridge{position:absolute;top:0;left:0;right:0;height:600px;pointer-events:none;opacity:.9}
.bridge .dot{filter:drop-shadow(0 0 6px currentColor)}
.arc-path{stroke-dasharray:6 8;animation:dash 26s linear infinite}
@keyframes dash{to{stroke-dashoffset:-280}}
.pillar{position:relative;padding:28px;border-radius:14px;background:var(--surface);border:1px solid var(--line);overflow:hidden}
.pillar h3{font-size:23px;margin:10px 0 10px} .pillar p{color:var(--ink2)} .pillar .num{font-family:var(--mono);color:var(--copper-ink);font-size:12px}
.stat{padding:20px 22px;border-radius:12px;background:var(--surface);border:1px solid var(--line)} .stat b{font-family:var(--display);font-size:32px;display:block;color:var(--ink);font-weight:600} .stat span{font-size:13px;color:var(--ink3)}
.tablewrap{overflow-x:auto;border:1px solid var(--line);border-radius:14px;background:var(--surface)}
table{border-collapse:collapse;width:100%;font-size:14.5px} th,td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top} th{background:var(--surface2);font-weight:600;color:var(--ink2);font-size:13px;white-space:nowrap} tr:last-child td{border-bottom:0}
.steps{counter-reset:s;display:grid;gap:16px} .step{display:grid;grid-template-columns:46px 1fr;gap:16px;align-items:start} .step::before{counter-increment:s;content:counter(s);width:36px;height:36px;border-radius:50%;display:grid;place-items:center;background:var(--copper-soft);color:var(--copper-ink);font-family:var(--display);font-weight:600}
.step h3{font-size:18px;margin-bottom:6px} .step p{color:var(--ink2);font-size:15px}
.step>h3,.step>p{grid-column:2}   /* the ::before counter is itself a grid item and would otherwise steal column 1 from the paragraph */
.timeline{display:grid;gap:0;border-left:2px solid var(--line);margin-left:8px}
.timeline .item{position:relative;padding:0 0 32px 28px}
.timeline .item::before{content:"";position:absolute;left:-7px;top:2px;width:12px;height:12px;border-radius:50%;background:var(--copper);box-shadow:0 0 0 4px var(--bg)}
.timeline .item:nth-child(even)::before{background:var(--teal)}
.timeline .item h4{font-family:var(--display);font-size:17px;margin-bottom:4px} .timeline .item p{color:var(--ink2);font-size:14.5px}
.banner{border-radius:22px;padding:42px;background:linear-gradient(135deg,rgba(45,91,255,.22),rgba(79,141,255,.14));border:1px solid var(--line2);display:flex;justify-content:space-between;align-items:center;gap:26px;flex-wrap:wrap}
.banner h2{font-size:30px}
footer{border-top:1px solid var(--line);padding:44px 0 34px;color:var(--ink3);font-size:14px}
footer .wrap{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:30px} @media (max-width:760px){footer .wrap{grid-template-columns:1fr 1fr}}
footer h5{font-family:var(--display);color:var(--ink2);font-size:13px;text-transform:uppercase;letter-spacing:.08em;margin-bottom:10px;font-weight:600}
footer nav{display:flex;flex-direction:column;gap:8px} footer a{color:var(--ink2)}
footer .bottom{max-width:var(--max);margin:34px auto 0;padding:20px 28px 0;border-top:1px solid var(--line);display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}
.reveal{opacity:0;transform:translateY(10px);transition:opacity .5s ease,transform .5s ease} .reveal.in{opacity:1;transform:none}
.form{display:grid;gap:12px} .form label{display:grid;gap:6px;font-size:14px;color:var(--ink2)}
.form input,.form textarea,.form select{background:var(--bg);border:1px solid var(--line);border-radius:10px;color:var(--ink);padding:11px 12px;font-family:var(--body);font-size:15px;width:100%}
.form input:focus,.form textarea:focus,.form select:focus{border-color:var(--copper);outline:none}
.form input:-webkit-autofill,.form input:-webkit-autofill:hover,.form input:-webkit-autofill:focus,.form textarea:-webkit-autofill{-webkit-text-fill-color:var(--ink);-webkit-box-shadow:0 0 0 1000px var(--bg) inset;transition:background-color 9999s ease-in-out 0s;caret-color:var(--ink)}
.form .two{display:grid;grid-template-columns:1fr 1fr;gap:12px} @media (max-width:620px){.form .two{grid-template-columns:1fr}}
.notice{border-radius:12px;padding:14px 16px;border:1px solid var(--line);background:var(--surface2);font-size:15px} .notice.ok{border-color:rgba(79,141,255,.4);background:var(--teal-soft)} .notice.bad{border-color:rgba(251,113,133,.4);background:rgba(251,113,133,.12)}
.people{display:flex;gap:-8px} .avatar{width:34px;height:34px;border-radius:50%;border:2px solid var(--bg);margin-left:-10px;display:inline-flex;align-items:center;justify-content:center;font-family:var(--display);font-size:12px;font-weight:600;color:#0B0F17}
.map-flag{font-size:22px}
.toc{display:flex;gap:10px;flex-wrap:wrap;margin:20px 0 8px} .toc a{font-size:13px;padding:6px 12px;border:1px solid var(--line);border-radius:999px;color:var(--ink2)} .toc a:hover{border-color:var(--copper);text-decoration:none;color:var(--ink)}
.split-img{border-radius:16px;overflow:hidden;border:1px solid var(--line)}
.quote{font-family:var(--display);font-size:22px;line-height:1.4;font-weight:500} .quote cite{display:block;margin-top:14px;font-family:var(--body);font-style:normal;color:var(--ink3);font-size:14px}
.logos{display:flex;gap:28px;align-items:center;flex-wrap:wrap;opacity:.8}
.badge-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}

/* The bridge arc is a background flourish behind a two-column hero; on narrow single-column layouts
   it has no side column to sit behind and crosses the headline text instead — hide it there. */
@media (max-width:820px){ .bridge{display:none} }

/* Home page additions: pillar strip, alternating product rows, AI capability list, delivery clock */
.pillar-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:14px;overflow:hidden;margin-top:44px}
.pillar-strip a{background:var(--surface);padding:20px 22px;display:flex;gap:14px;align-items:flex-start;color:var(--ink)}
.pillar-strip a:hover{background:var(--surface2);text-decoration:none}
.pillar-strip .n{font-family:var(--mono);font-size:20px;color:var(--copper-ink);line-height:1}
.pillar-strip b{display:block;font-family:var(--display);font-size:16px;font-weight:600;margin-bottom:3px}
.pillar-strip span{font-size:13px;color:var(--ink2);display:block}
@media (max-width:820px){.pillar-strip{grid-template-columns:1fr}}

.prow{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;padding:40px 0;border-bottom:1px solid var(--line)}
.prow:last-child{border-bottom:0}
.prow.rev .prow-copy{order:2}
.prow-visual{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:26px;min-height:220px;display:flex;flex-direction:column;justify-content:center;gap:10px}
.prow-visual .kpi{display:flex;justify-content:space-between;align-items:baseline;font-size:13px;color:var(--ink3);padding:9px 0;border-bottom:1px dashed var(--line)}
.prow-visual .kpi:last-child{border-bottom:0}
.prow-visual .kpi b{font-family:var(--mono);font-size:14px;color:var(--ink)}
.prow-copy .feat{display:flex;gap:10px;align-items:flex-start;margin-top:10px;font-size:14.5px;color:var(--ink2)}
.prow-copy .feat b{color:var(--teal-ink);font-family:var(--mono);flex-shrink:0}
@media (max-width:860px){.prow,.prow.rev .prow-copy{grid-template-columns:1fr;order:0}}

.ai-cap{display:flex;gap:12px;align-items:flex-start;padding:14px 0;border-bottom:1px solid var(--line)}
.ai-cap:last-child{border-bottom:0}
.ai-cap .chk{font-family:var(--mono);color:var(--teal-ink);font-size:13px;margin-top:2px}
.ai-cap b{font-family:var(--display);font-size:15.5px;font-weight:600;display:block;margin-bottom:2px}
.ai-cap p{font-size:14px;color:var(--ink2)}

.clock{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:22px 24px}
.clock-row{display:grid;grid-template-columns:86px 1fr;gap:14px;align-items:center;margin-top:14px}
.clock-row:first-of-type{margin-top:0}
.clock-label{font-family:var(--mono);font-size:12px;color:var(--ink2)}
.clock-bar{position:relative;height:22px;border-radius:6px;background:var(--surface2);overflow:hidden}
.clock-bar i{position:absolute;top:0;bottom:0;border-radius:6px}
.clock-bar .tx{background:linear-gradient(90deg,var(--copper),#1740C4)}
.clock-bar .in{background:linear-gradient(90deg,var(--teal),#17398F)}
.clock-legend{display:flex;gap:18px;margin-top:16px;font-size:12.5px;color:var(--ink3)}
.clock-legend span{display:inline-flex;align-items:center;gap:6px}
.clock-legend i{width:10px;height:10px;border-radius:3px;display:inline-block}

/* Per-product "what it can do" capability tiles — scannable at a glance, replaces prose bullets */
.cap-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:16px}
.cap-tile{background:var(--surface2);border:1px solid var(--line);border-radius:10px;padding:12px 12px 11px;display:flex;flex-direction:column;gap:6px;transition:border-color .15s,transform .15s}
.cap-tile:hover{border-color:var(--copper);transform:translateY(-1px)}
.cap-tile.t:hover{border-color:var(--teal)}
.cap-tile .g{font-size:16px;line-height:1}
.cap-tile span{font-size:12.5px;color:var(--ink2);line-height:1.35}
@media (max-width:640px){.cap-grid{grid-template-columns:repeat(2,1fr)}}

.hero .authority{margin-top:16px;font-size:14px;color:var(--ink3);font-family:var(--mono)}
.hero .authority b{color:var(--ink2);font-weight:500;font-family:var(--body)}

.badge-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:24px}
.badge{display:inline-flex;align-items:center;gap:8px;padding:7px 13px;border-radius:999px;background:var(--surface);border:1px solid var(--line);font-family:var(--mono);font-size:12px;color:var(--ink2)}
.badge i{width:6px;height:6px;border-radius:50%;background:var(--teal);flex:none;display:inline-block}

.compare{border:1px solid var(--line);border-radius:16px;overflow:hidden;background:var(--surface)}
.compare .chead,.compare .crow{display:grid;grid-template-columns:1fr 1fr}
.compare .chead{background:var(--surface2)}
.compare .chead div{padding:14px 22px;font-family:var(--mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase}
.compare .chead div:first-child{color:var(--ink3)}
.compare .chead div:last-child{color:var(--teal-ink)}
.compare .crow{border-top:1px solid var(--line)}
.compare .crow div{padding:18px 22px;font-size:15px;line-height:1.5}
.compare .crow div:first-child{color:var(--ink3);border-right:1px solid var(--line)}
.compare .crow div:last-child{color:var(--ink);position:relative;padding-left:40px}
.compare .crow div:last-child::before{content:"✓";color:var(--teal-ink);position:absolute;left:22px;font-family:var(--mono)}
@media (max-width:700px){.compare .chead{display:none}.compare .crow{grid-template-columns:1fr}.compare .crow div:first-child{border-right:0;border-bottom:1px dashed var(--line);color:var(--ink3)}.compare .crow div:first-child::before{content:"typical: ";font-family:var(--mono);font-size:11px;color:var(--ink3);display:block;margin-bottom:4px}.compare .crow div:last-child{padding-left:40px}}

.faq{border-radius:14px;border:1px solid var(--line);background:var(--surface);overflow:hidden}
.faq details{border-bottom:1px solid var(--line)}
.faq details:last-child{border-bottom:0}
.faq summary{padding:19px 22px;cursor:pointer;font-family:var(--display);font-size:17px;font-weight:600;color:var(--ink);list-style:none;display:flex;justify-content:space-between;align-items:center;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--mono);font-size:20px;color:var(--ink3);flex:none}
.faq details[open] summary::after{content:"–"}
.faq details[open] summary{border-bottom:1px solid var(--line)}
.faq .a{padding:2px 22px 20px;color:var(--ink2);font-size:15px;max-width:70ch}