/* ============================================================
   top-presence — "SIGNAL" compiled stylesheet
   Self-hosted, dependency-free. Replaces the Tailwind CDN to
   eliminate FOUC and improve LCP/Core Web Vitals.
   Hand-authored utility + component layer (purged to what the
   marketing pages actually use).
   ============================================================ */

/* ---------- tokens ---------- */
:root{
  --base:#070B14;
  --surface:#0E1626;
  --surface2:#131E33;
  --line:#1E293B;
  --line-soft:rgba(148,163,184,.12);
  --cyan:#22D3EE;
  --cyan2:#67E8F9;
  --blue:#2563EB;
  --ink:#F1F5F9;
  --body:#A4B2C6;        /* bumped from slate-400 for AA on dark surfaces */
  --muted:#8A99AE;       /* bumped from slate-500 so small text clears AA */
  --maxw:1216px;
  --r-sm:.5rem; --r:.75rem; --r-lg:1rem; --r-xl:1.25rem; --r-2xl:1.5rem;
  --ff-sans:'Inter',ui-sans-serif,system-ui,-apple-system,sans-serif;
  --ff-mono:'JetBrains Mono',ui-monospace,'SFMono-Regular',monospace;
}

/* ---------- reset / base ---------- */
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;background:var(--base);color:var(--body);
  font-family:var(--ff-sans);font-size:16px;line-height:1.5;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img,svg{display:block;max-width:100%;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
h1,h2,h3,p,figure,blockquote,ul,ol{margin:0;}
ul{list-style:none;padding:0;}
::selection{background:rgba(34,211,238,.25);color:#E0FBFF;}

/* visible keyboard focus everywhere */
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px;}
.btn-cyan:focus-visible{outline-offset:4px;}

/* ---------- layout helpers ---------- */
.container{width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:20px;}
@media(min-width:1024px){.container{padding-inline:32px;}}
.section{position:relative;padding-block:80px;}
@media(min-width:1024px){.section{padding-block:112px;}}
.border-y{border-top:1px solid rgba(30,41,59,.4);border-bottom:1px solid rgba(30,41,59,.4);}
.relative{position:relative;}
.center{text-align:center;}
.balance{text-wrap:balance;}
.maxw-2xl{max-width:42rem;}
.maxw-xl{max-width:36rem;}
.maxw-md{max-width:28rem;}
.maxw-xs{max-width:20rem;}
.mx-auto{margin-inline:auto;}
.hide-mobile{display:none;}
@media(min-width:1024px){.hide-mobile{display:flex;}}

/* ---------- textures & glows ---------- */
.grid-tex{
  background-image:
    linear-gradient(to right, rgba(148,163,184,.05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(148,163,184,.05) 1px, transparent 1px);
  background-size:48px 48px;
}
.dot-tex{
  background-image:radial-gradient(rgba(148,163,184,.10) 1px, transparent 1px);
  background-size:22px 22px;
}
.glow-cyan{background:radial-gradient(closest-side,rgba(34,211,238,.18),transparent 70%);}
.glow-blue{background:radial-gradient(closest-side,rgba(37,99,235,.20),transparent 70%);}
.abs-fill{position:absolute;inset:0;}
.deco{pointer-events:none;}

/* ---------- type ---------- */
.eyebrow{font-family:var(--ff-mono);letter-spacing:.18em;text-transform:uppercase;font-size:11px;line-height:1.4;}
.mono{font-family:var(--ff-mono);}
.ink{color:var(--ink);}
.cyan{color:var(--cyan);}
.cyan2{color:var(--cyan2);}
.muted{color:var(--muted);}
.body{color:var(--body);}
.h1{color:var(--ink);font-weight:700;letter-spacing:-.02em;font-size:2.6rem;line-height:1.05;}
.h2{color:var(--ink);font-weight:700;letter-spacing:-.02em;font-size:1.875rem;line-height:1.15;}
.h3{color:var(--ink);font-weight:600;font-size:1.25rem;line-height:1.3;}
.lead{font-size:1.125rem;line-height:1.65;}
.small{font-size:.875rem;}
.xs{font-size:.8125rem;}
@media(min-width:640px){
  .h1{font-size:3.75rem;line-height:1.02;}
  .h2{font-size:2.25rem;}
  .cta-h2{font-size:3rem;}
}

/* ---------- badges / eyebrow pills ---------- */
.pill{display:inline-flex;align-items:center;gap:8px;border-radius:999px;background:var(--surface);border:1px solid var(--line-soft);padding:6px 12px;}
.pill-cyan{background:rgba(34,211,238,.10);border:1px solid rgba(34,211,238,.20);color:var(--cyan2);border-radius:999px;padding:4px 10px;}
.dot-live{height:6px;width:6px;border-radius:999px;background:var(--cyan);box-shadow:0 0 8px 2px rgba(34,211,238,.7);}
@keyframes pulse{50%{opacity:.4;}}
.pulse{animation:pulse 2s ease-in-out infinite;}
.soon{display:inline-flex;align-items:center;gap:6px;border-radius:999px;background:rgba(234,179,8,.10);border:1px solid rgba(234,179,8,.30);color:#FCD34D;padding:3px 9px;font-family:var(--ff-mono);font-size:10px;letter-spacing:.12em;text-transform:uppercase;}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:8px;border-radius:var(--r);font-weight:600;font-size:15px;padding:12px 20px;transition:transform .18s ease,box-shadow .18s ease,filter .18s,border-color .18s,background .18s,color .18s;}
.btn svg{height:16px;width:16px;}
.btn-sm{padding:8px 14px;font-size:14px;}
.btn-lg{padding:14px 24px;}
.btn-cyan{
  background:linear-gradient(180deg,#2EE6FF,#22D3EE);color:#04141A;
  box-shadow:0 0 0 1px rgba(34,211,238,.6),0 8px 30px -8px rgba(34,211,238,.55),inset 0 1px 0 rgba(255,255,255,.35);
}
.btn-cyan:hover{transform:translateY(-1px);box-shadow:0 0 0 1px rgba(34,211,238,.9),0 14px 40px -8px rgba(34,211,238,.75),inset 0 1px 0 rgba(255,255,255,.4);filter:saturate(1.1);}
.btn-ghost{color:var(--ink);border:1px solid var(--line-soft);font-weight:500;}
.btn-ghost:hover{border-color:rgba(34,211,238,.5);color:#E0FBFF;background:rgba(34,211,238,.05);}
.link-cyan{display:inline-flex;align-items:center;gap:8px;font-family:var(--ff-mono);font-size:14px;color:var(--cyan2);transition:color .18s;}
.link-cyan:hover{color:var(--cyan);}
.link-cyan svg{height:16px;width:16px;}

/* ---------- surfaces / cards ---------- */
.surface{background:var(--surface);}
.surface2{background:rgba(19,30,51,.4);}
.base-bg{background:var(--base);}
.hairline{border:1px solid var(--line-soft);}
.hairline-t{border-top:1px solid var(--line-soft);}
.card{background:var(--surface);border:1px solid var(--line-soft);border-radius:var(--r-2xl);padding:24px;}
.card-cyan{border-color:rgba(34,211,238,.30);}
.overflow-hidden{overflow:hidden;}
.card-hover{transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease,background .25s ease;}
.card-hover:hover{transform:translateY(-3px);border-color:rgba(34,211,238,.35);box-shadow:0 20px 50px -24px rgba(34,211,238,.45);}
.icon-tile{display:grid;place-items:center;height:44px;width:44px;border-radius:12px;background:var(--base);border:1px solid var(--line-soft);color:var(--cyan);}
.icon-tile svg{height:20px;width:20px;}
.num-tile{display:grid;place-items:center;height:40px;width:40px;border-radius:10px;background:var(--base);border:1px solid var(--line-soft);font-family:var(--ff-mono);color:var(--cyan2);}

/* ---------- grids ---------- */
.grid{display:grid;gap:20px;}
.gap-sm{gap:14px;}
.grid-2{grid-template-columns:1fr;}
.grid-3{grid-template-columns:1fr;}
.grid-4{grid-template-columns:repeat(2,1fr);}
.grid-5{grid-template-columns:1fr;}
@media(min-width:768px){
  .grid-2{grid-template-columns:repeat(2,1fr);}
  .grid-3{grid-template-columns:repeat(3,1fr);}
}
@media(min-width:1024px){
  .grid-4{grid-template-columns:repeat(4,1fr);}
  .grid-5{grid-template-columns:repeat(5,1fr);}
  .grid-2{grid-template-columns:repeat(2,1fr);}
}
.flex{display:flex;}
.items-center{align-items:center;}
.items-end{align-items:flex-end;}
.justify-between{justify-content:space-between;}
.gap-2{gap:8px;}
.gap-3{gap:12px;}
.gap-4{gap:16px;}
.wrap{flex-wrap:wrap;}
.col{flex-direction:column;}
.mt-2{margin-top:8px;}.mt-3{margin-top:12px;}.mt-4{margin-top:16px;}.mt-5{margin-top:20px;}
.mt-6{margin-top:24px;}.mt-7{margin-top:28px;}.mt-8{margin-top:32px;}.mt-12{margin-top:48px;}
.mb-4{margin-bottom:16px;}.mb-5{margin-bottom:20px;}.mb-12{margin-bottom:48px;}
.shrink0{flex-shrink:0;}
.flex-1{flex:1;}

/* ---------- nav ---------- */
.header{position:fixed;top:0;left:0;right:0;z-index:50;}
.nav{margin-top:12px;display:flex;align-items:center;justify-content:space-between;gap:12px;border-radius:var(--r-xl);background:rgba(14,22,38,.7);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid var(--line-soft);padding:10px 16px;transition:box-shadow .3s;}
.nav.scrolled{box-shadow:0 8px 40px -12px rgba(0,0,0,.7);}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{position:relative;display:grid;place-items:center;height:32px;width:32px;border-radius:10px;background:var(--base);border:1px solid var(--line-soft);}
.brand-mark svg{height:16px;width:16px;}
.brand-name{color:var(--ink);font-weight:600;letter-spacing:-.01em;font-size:15px;}
.nav-links{display:none;align-items:center;gap:2px;font-size:14px;}
@media(min-width:1024px){.nav-links{display:flex;}}
.nav-links a{padding:8px 12px;border-radius:var(--r-sm);color:var(--body);transition:color .18s;}
.nav-links a:hover{color:var(--ink);}
.nav-right{display:flex;align-items:center;gap:8px;}
.toggle{display:none;align-items:center;gap:2px;border-radius:var(--r-sm);background:var(--base);border:1px solid var(--line-soft);padding:2px;font-family:var(--ff-mono);font-size:11px;}
@media(min-width:640px){.toggle{display:flex;}}
.toggle button{padding:4px 8px;border-radius:6px;color:var(--muted);transition:color .18s,background .18s;}
.toggle button.on{color:var(--ink);background:var(--surface2);}
.menu-btn{display:grid;place-items:center;height:36px;width:36px;border-radius:var(--r-sm);border:1px solid var(--line-soft);color:var(--ink);}
@media(min-width:1024px){.menu-btn{display:none;}}
.mobile-menu{display:none;margin-top:8px;border-radius:var(--r-xl);background:var(--surface);border:1px solid var(--line-soft);padding:8px;font-size:14px;}
.mobile-menu.open{display:block;}
.mobile-menu a{display:block;padding:10px 12px;border-radius:var(--r-sm);color:var(--body);transition:color .18s,background .18s;}
.mobile-menu a:hover{color:var(--ink);background:var(--base);}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;padding-top:128px;padding-bottom:80px;}
@media(min-width:1024px){.hero{padding-top:160px;padding-bottom:112px;}}
.hero-grid{display:grid;gap:48px;align-items:center;}
@media(min-width:1024px){.hero-grid{grid-template-columns:1.05fr 1fr;gap:40px;}}
.headline-underline{position:relative;}
.headline-underline::after{content:"";position:absolute;left:0;bottom:-4px;height:3px;width:100%;background:linear-gradient(to right,var(--cyan),transparent);}
.top-rule{position:absolute;left:0;right:0;top:0;height:1px;background:linear-gradient(to right,transparent,rgba(34,211,238,.4),transparent);}

/* ---------- product mockup frame (holds a real screenshot or a labeled slot) ---------- */
.mock{position:relative;border-radius:var(--r-2xl);background:var(--surface);border:1px solid var(--line-soft);overflow:hidden;box-shadow:0 40px 120px -40px rgba(0,0,0,.9);}
.mock-bar{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;border-bottom:1px solid rgba(30,41,59,.6);background:rgba(19,30,51,.4);}
.dots{display:flex;gap:6px;}
.dots span{height:10px;width:10px;border-radius:999px;background:var(--line);}
.mock-body{padding:20px;}
.metric{border-radius:var(--r-sm);background:var(--base);border:1px solid var(--line-soft);padding:12px;}
.demo-tag{position:absolute;top:12px;left:50%;transform:translateX(-50%);z-index:5;}

/* progress meters (AEO section) */
.meter{height:8px;border-radius:999px;background:var(--base);overflow:hidden;}
.meter > span{display:block;height:100%;border-radius:999px;background:linear-gradient(to right,var(--cyan),var(--blue));}

/* ---------- lists ---------- */
.check{display:flex;gap:12px;font-size:14px;}
.check .mk{color:var(--cyan);margin-top:2px;flex-shrink:0;}

/* ---------- pull quote ---------- */
.quote{position:relative;border-radius:var(--r-2xl);background:rgba(19,30,51,.4);border:1px solid var(--line-soft);padding:48px;text-align:center;overflow:hidden;}
@media(max-width:640px){.quote{padding:32px;}}
.quote blockquote{position:relative;font-size:1.5rem;font-weight:600;letter-spacing:-.01em;color:var(--ink);line-height:1.35;max-width:48rem;margin-inline:auto;}
@media(min-width:640px){.quote blockquote{font-size:1.875rem;}}
.strike{text-decoration:line-through;text-decoration-color:rgba(30,41,59,.9);color:var(--muted);}

/* ---------- pricing ---------- */
.price-num{font-family:var(--ff-mono);font-size:1.875rem;font-weight:700;color:var(--ink);}
.tier{display:flex;flex-direction:column;}
.tier .desc{flex:1;}
.popular{border-color:rgba(34,211,238,.40);box-shadow:0 24px 60px -30px rgba(34,211,238,.6);}

/* ---------- faq accordion ---------- */
details.faq{border-radius:var(--r);background:var(--surface);border:1px solid var(--line-soft);padding:0 20px;transition:border-color .2s;}
details.faq[open]{border-color:rgba(34,211,238,.30);}
details.faq summary{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px 0;color:var(--ink);font-weight:500;list-style:none;cursor:pointer;}
details.faq summary::-webkit-details-marker{display:none;}
details.faq .faq-plus{color:var(--cyan);font-size:20px;flex-shrink:0;transition:transform .2s;}
details.faq[open] .faq-plus{transform:rotate(45deg);}
details.faq p{padding-bottom:20px;font-size:14px;line-height:1.6;color:var(--body);}

/* ---------- footer ---------- */
.footer{position:relative;border-top:1px solid rgba(30,41,59,.4);background:rgba(14,22,38,.4);}
.footer-grid{display:grid;gap:40px;}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;}}
.social{display:grid;place-items:center;height:36px;width:36px;border-radius:var(--r-sm);background:var(--base);border:1px solid var(--line-soft);color:var(--muted);transition:color .18s,border-color .18s;}
.social:hover{color:var(--cyan2);border-color:rgba(34,211,238,.3);}
.social svg{height:16px;width:16px;}
.footer-info{font-family:var(--ff-mono);font-size:11px;line-height:1.7;color:var(--muted);}
.slot-warn{border:1px dashed rgba(234,179,8,.4);border-radius:var(--r-sm);background:rgba(234,179,8,.05);padding:10px;}

/* ---------- screenshot slot ---------- */
.shot-slot{position:relative;border-radius:var(--r);border:1px dashed rgba(34,211,238,.35);background:
   repeating-linear-gradient(45deg,rgba(34,211,238,.04) 0 10px,transparent 10px 20px),var(--base);
   display:grid;place-items:center;text-align:center;padding:20px;min-height:120px;}
.shot-label{font-family:var(--ff-mono);font-size:11px;color:var(--cyan2);letter-spacing:.08em;}

/* ---------- early-access band ---------- */
.early{border-radius:var(--r-2xl);background:rgba(19,30,51,.4);border:1px solid var(--line-soft);padding:32px;}

/* ---------- cookie consent ---------- */
.cookie{position:fixed;left:16px;right:16px;bottom:16px;z-index:60;max-width:640px;margin-inline:auto;border-radius:var(--r-xl);background:rgba(14,22,38,.95);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid var(--line-soft);box-shadow:0 30px 80px -30px rgba(0,0,0,.9);padding:20px;transform:translateY(140%);transition:transform .4s cubic-bezier(.2,.7,.2,1);}
.cookie.show{transform:none;}
@media(min-width:640px){.cookie{padding:20px 24px;}}

/* ---------- reveal animation ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s cubic-bezier(.2,.7,.2,1),transform .6s cubic-bezier(.2,.7,.2,1);}
.reveal.in{opacity:1;transform:none;}

/* ---------- misc text utils ---------- */
.strike-line{text-decoration:line-through;text-decoration-color:var(--line);}
.space-y-2 > * + *{margin-top:8px;}
.space-y-3 > * + *{margin-top:12px;}
.lh-relaxed{line-height:1.65;}
.fw-600{font-weight:600;}
.fw-500{font-weight:500;}

/* ---------- billing/segment toggle (larger, in-page) ---------- */
.seg{display:inline-flex;align-items:center;gap:2px;border-radius:999px;background:var(--base);border:1px solid var(--line-soft);padding:4px;font-family:var(--ff-mono);font-size:13px;}
.seg button{padding:7px 16px;border-radius:999px;color:var(--muted);transition:color .18s,background .18s;}
.seg button.on{color:#04141A;background:var(--cyan);font-weight:600;}
.seg .save{color:var(--cyan2);font-size:11px;}

/* ---------- comparison table ---------- */
.cmp-wrap{overflow-x:auto;border-radius:var(--r-lg);border:1px solid var(--line-soft);-webkit-overflow-scrolling:touch;}
table.cmp{width:100%;border-collapse:collapse;min-width:760px;font-size:14px;}
table.cmp th,table.cmp td{padding:14px 16px;text-align:center;border-bottom:1px solid var(--line-soft);}
table.cmp thead th{position:sticky;top:0;background:var(--surface2);z-index:2;}
table.cmp tbody tr:hover{background:rgba(34,211,238,.03);}
table.cmp th.row-h,table.cmp td.row-h{text-align:left;position:sticky;left:0;background:var(--surface);z-index:1;color:var(--ink);font-weight:500;min-width:200px;}
table.cmp thead th.row-h{background:var(--surface2);z-index:3;}
table.cmp .tier-name{font-family:var(--ff-mono);text-transform:uppercase;letter-spacing:.1em;font-size:11px;color:var(--muted);}
table.cmp .tier-price{font-family:var(--ff-mono);font-size:1.1rem;color:var(--ink);font-weight:700;margin-top:4px;}
table.cmp col.col-pro,table.cmp td.col-pro,table.cmp th.col-pro{background:rgba(34,211,238,.06);}
table.cmp th.col-pro .tier-name{color:var(--cyan2);}
.yes{color:var(--cyan);font-weight:700;}
.no{color:var(--muted);opacity:.5;}
.cellnum{font-family:var(--ff-mono);color:var(--ink);}

/* ---------- chips ---------- */
.chip{display:inline-flex;align-items:center;gap:6px;border-radius:999px;border:1px solid var(--line-soft);background:var(--surface);padding:6px 14px;font-size:13px;color:var(--body);transition:color .18s,border-color .18s,background .18s;cursor:pointer;}
.chip:hover{color:var(--ink);border-color:rgba(34,211,238,.4);}
.chip.on{color:#04141A;background:var(--cyan);border-color:var(--cyan);font-weight:600;}

/* ---------- blog cards ---------- */
.post-card{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line-soft);border-radius:var(--r-lg);overflow:hidden;}
.post-thumb{aspect-ratio:16/9;background:repeating-linear-gradient(45deg,rgba(34,211,238,.05) 0 12px,transparent 12px 24px),var(--base);border-bottom:1px solid var(--line-soft);display:grid;place-items:center;}
.post-thumb .shot-label{padding:8px;}
.post-body{padding:20px;display:flex;flex-direction:column;flex:1;}
.post-meta{font-family:var(--ff-mono);font-size:11px;color:var(--muted);letter-spacing:.04em;}
.post-card h3{color:var(--ink);font-weight:600;font-size:1.0625rem;line-height:1.3;margin-top:8px;}
.post-card:hover h3{color:var(--cyan2);}
.cat{font-family:var(--ff-mono);font-size:10px;text-transform:uppercase;letter-spacing:.12em;color:var(--cyan2);border:1px solid rgba(34,211,238,.25);background:rgba(34,211,238,.08);border-radius:999px;padding:2px 8px;}

/* ---------- step loop (autopilot) ---------- */
.loop{display:grid;gap:14px;}
@media(min-width:768px){.loop{grid-template-columns:repeat(4,1fr);}}
.loop .step{position:relative;}
.loop .step .arrow{display:none;}
@media(min-width:768px){.loop .step .arrow{display:block;position:absolute;top:28px;right:-11px;color:var(--line);z-index:2;}}

/* ---------- prose (article) ---------- */
.prose{max-width:42rem;margin-inline:auto;color:var(--body);font-size:1.0625rem;line-height:1.75;}
.prose > * + *{margin-top:1.25rem;}
.prose h2{color:var(--ink);font-size:1.6rem;font-weight:700;letter-spacing:-.01em;margin-top:2.5rem;line-height:1.2;scroll-margin-top:100px;}
.prose h3{color:var(--ink);font-size:1.2rem;font-weight:600;margin-top:1.75rem;}
.prose a{color:var(--cyan2);text-decoration:underline;text-underline-offset:3px;text-decoration-color:rgba(34,211,238,.4);}
.prose a:hover{text-decoration-color:var(--cyan2);}
.prose ul{margin-left:1.1rem;list-style:disc;}
.prose ul li{margin-top:.5rem;}
.prose strong{color:var(--ink);}
.prose code{font-family:var(--ff-mono);font-size:.9em;background:var(--base);border:1px solid var(--line-soft);border-radius:6px;padding:1px 6px;color:var(--cyan2);}
.callout{border:1px solid rgba(34,211,238,.3);background:rgba(34,211,238,.05);border-radius:var(--r);padding:18px 20px;}
.callout .eyebrow{color:var(--cyan2);}
.pquote{border-left:3px solid var(--cyan);padding-left:20px;font-size:1.25rem;color:var(--ink);font-weight:500;line-height:1.45;}
.toc{position:sticky;top:96px;}
.toc a{display:block;padding:6px 0 6px 14px;border-left:1px solid var(--line-soft);color:var(--muted);font-size:13px;transition:color .18s,border-color .18s;}
.toc a:hover{color:var(--cyan2);border-color:var(--cyan);}

@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  .reveal{opacity:1;transform:none;transition:none;}
  .pulse{animation:none;}
}