/* Tīrtha — warm "NeuroSync" design system (shared across all pages) */
:root{
  --bg:#FFFFFF; --text:#111827; --text-2:#4B5563; --text-3:#6B727E; --border:#E5E7EB;
  --primary:#CC8066; --primary-d:#B96B50; --primary-l:#E0A88E; --accent:#334155;
  --surface:#191C21; --surface-2:#22262E; --surface-line:rgba(255,255,255,.08);
  --warm-wash:rgba(204,128,102,.08);
  --r-card:8px; --r-pill:9999px;
  --ease:cubic-bezier(.22,.7,.18,1);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font-family:Inter,-apple-system,system-ui,sans-serif;-webkit-font-smoothing:antialiased;line-height:1.6}
body::after{content:"";position:fixed;inset:0;z-index:9999;pointer-events:none;opacity:.04;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}
a{color:inherit;text-decoration:none}
h1,h2,h3{font-weight:500;letter-spacing:-.02em;line-height:1.06}
em{font-style:normal;color:var(--primary)}
.mono{font-family:"JetBrains Mono",monospace;font-weight:600;letter-spacing:.12em;text-transform:uppercase;font-size:12px}
.wrap{width:min(1140px,calc(100% - 48px));margin:0 auto}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}

/* reveal */
.rv,.rise{opacity:0;transform:translateY(16px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.rv.in,.rise.in{opacity:1;transform:none}

/* buttons */
.btn{position:relative;display:inline-flex;align-items:center;gap:8px;height:46px;padding:0 22px;border-radius:var(--r-pill);font-weight:600;font-size:14.5px;font-family:inherit;cursor:pointer;border:0;transition:transform .15s var(--ease),background .15s,box-shadow .2s;overflow:hidden}
.btn,.btn.p{background:var(--primary);color:#fff;box-shadow:0 6px 18px rgba(204,128,102,.3)}
.btn:hover,.btn.p:hover{background:var(--primary-d);transform:translateY(-2px);box-shadow:0 10px 26px rgba(204,128,102,.42)}
.btn::after{content:"";position:absolute;top:0;left:-130%;width:60%;height:100%;background:linear-gradient(100deg,transparent,rgba(255,255,255,.35),transparent);transform:skewX(-18deg);animation:sweep 4.5s ease-in-out infinite}
.btn.ghost{background:#fff;color:var(--text);border:1px solid var(--border);box-shadow:none}
.btn.ghost::after{display:none}
.btn.ghost:hover{border-color:var(--text);background:#fff}
.btn.accent{background:var(--accent);box-shadow:0 6px 18px rgba(51,65,85,.25)}
.btn.accent:hover{background:#26303d}
.btn.dark{background:#fff;color:#111}.btn.dark::after{display:none}
@keyframes sweep{0%,60%{left:-130%}80%,100%{left:130%}}

/* nav */
nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.82);backdrop-filter:blur(12px);border-bottom:1px solid var(--border)}
nav{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;letter-spacing:-.01em;font-size:18px}
.brand .dot{width:22px;height:22px;border-radius:6px;background:linear-gradient(145deg,var(--primary),var(--primary-l));box-shadow:0 2px 10px rgba(204,128,102,.45)}
.brand .pre{font-family:"JetBrains Mono",monospace;font-size:9.5px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--primary);border:1px solid var(--border);border-radius:var(--r-pill);padding:2px 8px;margin-left:4px}
nav .links{display:flex;gap:26px}
nav .links a{color:var(--text-2);font-size:14px;font-weight:500}nav .links a:hover,nav .links a.on{color:var(--text)}
@media(max-width:820px){nav .links{display:none}}

/* hero (home) + subhero (inner) */
.hero,.subhero{position:relative;overflow:hidden}
.hero{padding:88px 0 72px}
.subhero{padding:64px 0 56px}
.fx{position:absolute;inset:0;z-index:0;pointer-events:none;overflow:hidden}
.neural{position:absolute;inset:0;width:100%;height:100%;opacity:.72;
  -webkit-mask:radial-gradient(120% 90% at 70% 30%,#000 35%,transparent 80%);mask:radial-gradient(120% 90% at 70% 30%,#000 35%,transparent 80%)}
.orb{position:absolute;border-radius:50%;filter:blur(64px);will-change:transform}
.orb.o1{width:420px;height:420px;background:radial-gradient(circle,rgba(204,128,102,.5),transparent 70%);top:-120px;right:4%;animation:d1 19s var(--ease) infinite alternate}
@keyframes d1{to{transform:translate(-46px,54px) scale(1.12)}}
.hero .inner,.subhero .inner{position:relative;z-index:2}
.hero .grid{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:54px;align-items:center}
@media(max-width:920px){.hero .grid{grid-template-columns:1fr;gap:40px}}
.eyebrow,.ey{display:inline-flex;align-items:center;gap:9px;color:var(--primary);margin-bottom:20px;flex-wrap:wrap}
.eyebrow .tag,.ey .tag{background:var(--warm-wash);border-radius:var(--r-pill);padding:3px 10px}
.ey .dot{width:7px;height:7px;border-radius:50%;background:var(--primary);box-shadow:0 0 0 0 rgba(204,128,102,.5);animation:pulse 2.4s ease-out infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(204,128,102,.5)}70%{box-shadow:0 0 0 9px rgba(204,128,102,0)}100%{box-shadow:0 0 0 0 rgba(204,128,102,0)}}
.back{display:inline-block;color:var(--text-3);font-size:13.5px;margin-bottom:18px}
.back:hover{color:var(--primary)}
h1{font-size:clamp(2.5rem,5.2vw,56px)}
.subhero h1{max-width:780px}
h1 .a,h1 .c{color:var(--primary)}
.lede,.hero p.sub{font-size:19px;color:var(--text-2);max-width:560px;margin-top:22px}
.cta-row,.hero .cta{display:flex;gap:12px;margin-top:32px;flex-wrap:wrap}
.tiny{margin-top:18px;color:var(--text-2);font-size:13px;font-family:"JetBrains Mono",monospace}

/* floating code panel */
.floatwrap{animation:float 7s ease-in-out infinite}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-9px)}}
.panel{background:var(--surface);border:1px solid var(--surface-line);border-radius:14px;color:#fff;box-shadow:0 30px 60px rgba(17,24,39,.18),0 8px 20px rgba(17,24,39,.1);overflow:hidden}
.panel .bar{display:flex;align-items:center;gap:7px;padding:13px 16px;border-bottom:1px solid var(--surface-line)}
.panel .bar i{width:10px;height:10px;border-radius:50%;background:#33373f;display:block}
.panel .bar .t{margin-left:8px;color:#8a909b;font-family:"JetBrains Mono",monospace;font-size:11px;letter-spacing:.06em}
.panel .stat{display:flex;justify-content:space-between;align-items:flex-end;padding:16px 18px;border-top:1px solid var(--surface-line);background:linear-gradient(180deg,transparent,rgba(204,128,102,.06))}
.panel .stat .big{font-size:30px;font-weight:600;letter-spacing:-.02em}
.panel .stat .big .c{color:var(--primary)}
.panel .stat .lbl{color:#8a909b;font-family:"JetBrains Mono",monospace;font-size:10px;letter-spacing:.07em;text-transform:uppercase;margin-top:3px}

/* code block */
.code{background:var(--surface);border:1px solid var(--surface-line);border-radius:12px;color:#cfd3da;padding:22px;font-family:"JetBrains Mono",monospace;font-size:13px;line-height:1.9;white-space:pre-wrap;overflow-x:auto}
.code .c,.code .cm{color:#6b727e}.code .k{color:var(--primary-l)}.code .s{color:#A8C7A0}

/* sections */
section.sec,.feat,.dev,.ent{padding:80px 0}
.feat-head,.lead{max-width:640px;margin-bottom:42px}
.feat-head h2,.lead h2{font-size:clamp(1.9rem,3.6vw,40px);margin-top:14px}
.feat-head p,.lead p{color:var(--text-2);margin-top:14px;font-size:1.05rem}
.feat-head .mono,.lead .mono{color:var(--primary)}

/* metric strip */
.strip{border-block:1px solid var(--border);background:#FCFBFA}
.strip .in{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--border)}
@media(max-width:760px){.strip .in{grid-template-columns:1fr 1fr}}
.metric{background:#FCFBFA;padding:32px 18px;text-align:center;display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:128px}
.metric .n{font-size:34px;font-weight:600;letter-spacing:-.02em;color:var(--text);line-height:1;white-space:nowrap}
.metric .n .c{color:var(--primary)}.metric .n .mut{color:var(--text-2)}
.metric .l{margin-top:10px;color:var(--text-2);font-size:13px;line-height:1.35;max-width:16ch;text-wrap:balance}

/* cards / bento */
.cards,.bento{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.bento{grid-template-columns:repeat(6,1fr)}
.card{grid-column:span 2;background:#fff;border:1px solid var(--border);border-radius:var(--r-card);padding:24px;transition:transform .2s var(--ease),box-shadow .2s}
.cards .card{grid-column:auto}
.card:hover{transform:translateY(-3px);box-shadow:0 18px 40px rgba(17,24,39,.08)}
.card .ic{width:38px;height:38px;border-radius:9px;background:var(--warm-wash);display:flex;align-items:center;justify-content:center;color:var(--primary);font-size:18px;margin-bottom:16px}
.card .k{color:var(--primary);display:block;margin-bottom:10px}
.card h3{font-size:1.18rem;margin-bottom:7px}
.card p{color:var(--text-2);font-size:.95rem}
.card .big{display:block;font-size:38px;font-weight:600;letter-spacing:-.02em;color:var(--primary);margin:2px 0 8px}
.card.wide{grid-column:span 3}
.card.dark{background:var(--surface);border-color:var(--surface-line);color:#fff;position:relative;overflow:hidden}
.card.dark p{color:#9aa0ac}.card.dark .ic{background:rgba(204,128,102,.16)}
.card.dark::before{content:"";position:absolute;width:200px;height:200px;border-radius:50%;top:-60px;right:-40px;background:radial-gradient(circle,rgba(204,128,102,.2),transparent 70%)}
@media(max-width:920px){.cards,.bento{grid-template-columns:1fr 1fr}.card,.card.wide{grid-column:span 1}}
@media(max-width:560px){.cards,.bento{grid-template-columns:1fr}}
.note{margin-top:22px;color:var(--text-3);font-size:.92rem;max-width:760px}

/* economics table */
.econ{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:start}
@media(max-width:920px){.econ{grid-template-columns:1fr;gap:28px}}
table.bill,table.res{width:100%;border-collapse:collapse;font-size:14.5px}
table.bill th,table.bill td{padding:13px 12px;text-align:right;border-bottom:1px solid var(--border)}
table.bill th:first-child,table.bill td:first-child{text-align:left;color:var(--text-2)}
table.bill th{font-family:"JetBrains Mono",monospace;font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--text-3);font-weight:600}
table.bill .us{color:var(--primary);font-weight:700}
.econ-points{display:flex;flex-direction:column;gap:18px}
.econ-points .pt{border-left:2px solid var(--primary);padding:2px 0 2px 18px}
.econ-points .pt b{display:block;font-weight:600;margin-bottom:4px}
.econ-points .pt span{color:var(--text-2);font-size:.95rem}

/* dark panel (results chart/table) */
.dpanel{background:var(--surface);color:#fff;border:1px solid var(--surface-line);border-radius:14px;padding:30px;box-shadow:0 24px 50px rgba(17,24,39,.16);position:relative;overflow:hidden}
.dpanel .k{color:var(--primary);display:block;margin-bottom:18px}
table.res th,table.res td{padding:12px 10px;text-align:right;border-bottom:1px solid var(--surface-line);color:#cfd3da}
table.res th{color:#8a909b;font-weight:600;font-size:11px;letter-spacing:.08em;text-transform:uppercase}
table.res td:first-child,table.res th:first-child{text-align:left}
table.res tr:last-child td{border-bottom:0}
table.res tr.hot td{color:var(--primary);font-weight:700}
table.res .free{color:#8a909b;font-size:13px}
svg.chart{width:100%;height:auto;display:block}
.lg{display:flex;gap:22px;margin-top:16px;font-size:13px;color:#8a909b;flex-wrap:wrap}
.lg span{display:inline-flex;align-items:center;gap:8px}.sw{width:22px;height:3px;border-radius:2px;display:inline-block}
.draftpill{display:inline-flex;align-items:center;gap:8px;margin-top:20px;border:1px solid var(--primary);border-radius:var(--r-pill);padding:5px 14px;color:var(--primary);font-size:12px}
.livedot{width:7px;height:7px;border-radius:50%;background:var(--primary);animation:pulse 2.4s ease-out infinite}

/* moat chart */
.moat{display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;align-items:center}
@media(max-width:920px){.moat{grid-template-columns:1fr;gap:32px}}
.curve{stroke-dasharray:640;stroke-dashoffset:640;transition:stroke-dashoffset 1.7s var(--ease) .25s}
.in .curve{stroke-dashoffset:0}

/* drop-in band */
.dropin{background:var(--surface);border-radius:18px;padding:46px;display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;color:#fff;position:relative;overflow:hidden}
@media(max-width:820px){.dropin{grid-template-columns:1fr;padding:32px}}
.dropin h2{color:#fff}.dropin p{color:#9aa0ac;margin-top:14px}.dropin .mono{color:var(--primary)}

/* enterprise cta + forms */
.enterprise-cta{display:flex;justify-content:space-between;align-items:center;gap:30px;background:#FCFBFA;border:1px solid var(--border);border-radius:16px;padding:36px}
@media(max-width:720px){.enterprise-cta{flex-direction:column;align-items:flex-start}}
.enterprise-cta h3{font-size:1.4rem;margin-bottom:8px}.enterprise-cta p{color:var(--text-2)}
form.req{display:flex;gap:10px;flex-wrap:wrap;justify-content:center}
form.req input{height:46px;padding:0 16px;width:280px;border-radius:var(--r-pill);border:1px solid var(--border);font-size:14px;font-family:inherit}
.center{text-align:center;max-width:600px;margin:0 auto 28px}

/* cta band */
.ctaband{position:relative;text-align:center;padding:90px 0;overflow:hidden}
.ctaband h2{font-size:clamp(2rem,4vw,42px)}
.ctaband p{color:var(--text-2);margin-top:14px}
.ctaband .cta{display:flex;gap:12px;justify-content:center;margin-top:28px;flex-wrap:wrap}

footer{border-top:1px solid var(--border);padding:36px 0;color:var(--text-3);font-size:.88rem;display:flex;justify-content:space-between;flex-wrap:wrap;gap:14px}