/* ===== Tokens ===== */
:root{
  --indigo:#546EE9;
  --indigo-2:#4258C9;
  --violet:#7C5CFC;
  --cyan:#2DD4BF;
  --ink:#111114;
  --ink-soft:#3A3A42;
  --slate:#6B7280;
  --bg-light:#F7F7FB;
  --bg-white:#FFFFFF;
  --line:#E7E7F0;
  --hero-1:#0A0A16;
  --hero-2:#171233;
  --hero-3:#241a4d;
  --radius-lg:28px;
  --radius-md:18px;
  --radius-sm:12px;
  --maxw:1180px;
  --gradient-signal: linear-gradient(90deg, var(--indigo) 0%, var(--violet) 55%, var(--cyan) 100%);
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:'Inter',system-ui,sans-serif;
  color:var(--ink);
  background:var(--bg-white);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4{
  font-family:'Space Grotesk',sans-serif;
  margin:0;
  letter-spacing:-0.01em;
}
p{margin:0;}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
button{font-family:inherit;}

.container{
  max-width:var(--maxw);
  margin:0 auto;
  padding:0 32px;
}

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-family:'Space Grotesk',sans-serif;
  font-size:12.5px;
  font-weight:600;
  letter-spacing:0.14em;
  text-transform:uppercase;
  color:var(--indigo);
}
.eyebrow::before{
  content:"";
  width:7px;height:7px;
  border-radius:50%;
  background:var(--gradient-signal);
  box-shadow:0 0 0 3px rgba(84,110,233,0.15);
}
.on-dark .eyebrow{ color:#9CB0FF; }
.on-dark .eyebrow::before{ box-shadow:0 0 0 3px rgba(156,176,255,0.18); }

/* ===== Buttons ===== */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:14px 26px;
  border-radius:999px;
  font-weight:600;
  font-size:15px;
  font-family:'Space Grotesk',sans-serif;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .18s ease, box-shadow .18s ease, background .18s ease, opacity .18s ease;
  white-space:nowrap;
}
.btn:active{transform:translateY(1px) scale(0.99);}
.btn-primary{
  background:var(--gradient-signal);
  color:#fff;
  box-shadow:0 8px 24px -8px rgba(84,110,233,0.65);
}
.btn-primary:hover{ box-shadow:0 10px 30px -6px rgba(124,92,252,0.6); transform:translateY(-1px); }
.btn-ghost{
  background:transparent;
  color:var(--ink);
  border-color:var(--line);
}
.btn-ghost:hover{ border-color:var(--indigo); color:var(--indigo); }
.on-dark .btn-ghost{ color:#EDEDF7; border-color:rgba(255,255,255,0.18); }
.on-dark .btn-ghost:hover{ border-color:#9CB0FF; color:#9CB0FF; }

/* ===== Nav ===== */
.nav{
  position:sticky; top:0; z-index:100;
  backdrop-filter:blur(14px) saturate(140%);
  background:rgba(8,7,16,0.88);
  border-bottom:1px solid rgba(255,255,255,0.08);
}
.nav .container{
  display:flex; align-items:center; justify-content:space-between;
  height:74px;
}
.brand{ display:flex; align-items:center; gap:10px; }
.brand img{ width:32px; height:32px; }
.brand-word{ font-family:'Space Grotesk',sans-serif; font-size:19px; color:#fff; }
.brand-word b{ font-weight:700; }
.brand-word span{ font-weight:300; letter-spacing:0.01em; }

.nav-links{ display:flex; align-items:center; gap:34px; }
.nav-links a{
  font-size:14.5px; font-weight:500; color:rgba(255,255,255,0.72);
  transition:color .15s ease;
}
.nav-links a:hover{ color:#fff; }
.nav-actions{ display:flex; align-items:center; gap:14px; }
.nav-toggle{ display:none; }

/* ===== Hero ===== */
.hero{
  position:relative;
  background:
    radial-gradient(ellipse 900px 500px at 82% -10%, rgba(124,92,252,0.35), transparent 60%),
    radial-gradient(ellipse 700px 500px at 8% 10%, rgba(45,212,191,0.16), transparent 55%),
    linear-gradient(180deg, var(--hero-1) 0%, var(--hero-2) 55%, var(--hero-3) 100%);
  color:#fff;
  padding:96px 0 60px;
  overflow:hidden;
}
.hero::before{
  content:"";
  position:absolute; inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(ellipse 80% 60% at 50% 20%, black, transparent 75%);
  pointer-events:none;
}
.hero-inner{
  position:relative; z-index:2;
  display:grid;
  grid-template-columns:1fr;
  gap:56px;
  padding-top:12px;
}
.hero-copy{ max-width:760px; }
.hero-copy .eyebrow{ margin-bottom:20px; }
.hero h1{
  font-size:clamp(36px,5.4vw,64px);
  line-height:1.06;
  color:#fff;
  font-weight:700;
}
.hero h1 .thin{
  display:block;
  font-weight:300;
  color:#C9CEEF;
  font-size:0.86em;
  margin-top:4px;
}
.hero p.lead{
  margin-top:26px;
  font-size:17.5px;
  line-height:1.65;
  color:#B9BEDD;
  max-width:600px;
}
.hero-ctas{
  margin-top:38px;
  display:flex;
  gap:16px;
  flex-wrap:wrap;
}
.hero-meta{
  margin-top:34px;
  display:flex;
  gap:26px;
  flex-wrap:wrap;
  font-size:13px;
  color:#8489B0;
}
.hero-meta span{ display:flex; align-items:center; gap:8px; }
.hero-meta i{ width:6px;height:6px;border-radius:50%;background:var(--cyan); display:inline-block; }

/* ---- signal visual ---- */
.signal-wrap{
  position:relative;
  width:100%;
  border-radius:var(--radius-lg);
  padding:34px 12px 0;
  background:linear-gradient(180deg, rgba(255,255,255,0.05), rgba(255,255,255,0.02));
  border:1px solid rgba(255,255,255,0.08);
  overflow:visible;
}
.signal-wrap svg{ width:100%; height:auto; display:block; }
.alert-card{
  position:absolute;
  top:-18px; right:6%;
  width:280px;
  background:rgba(16,14,34,0.92);
  border:1px solid rgba(255,255,255,0.12);
  border-radius:var(--radius-md);
  padding:16px 18px;
  box-shadow:0 24px 60px -18px rgba(0,0,0,0.7);
  backdrop-filter:blur(10px);
  animation:floatIn 900ms cubic-bezier(.2,.8,.2,1) both, floaty 5.5s ease-in-out 900ms infinite;
}
.alert-card .tag{
  display:flex; align-items:center; gap:6px;
  font-size:11px; font-weight:600; letter-spacing:.08em; text-transform:uppercase;
  color:var(--cyan); margin-bottom:8px;
}
.alert-card .tag .dot{ width:6px;height:6px;border-radius:50%; background:var(--cyan); box-shadow:0 0 0 4px rgba(45,212,191,0.18); }
.alert-card p{ font-size:13.5px; line-height:1.5; color:#DEE0F5; }
.alert-card p b{ color:#fff; }
.alert-card .cta-row{ display:flex; gap:8px; margin-top:12px; }
.mini-btn{
  font-size:12px; font-weight:600; padding:7px 13px; border-radius:999px;
}
.mini-btn.yes{ background:var(--gradient-signal); color:#fff; }
.mini-btn.no{ background:rgba(255,255,255,0.08); color:#C9CEEF; }

@keyframes floatIn{ from{ opacity:0; transform:translateY(14px) scale(.97);} to{ opacity:1; transform:translateY(0) scale(1);} }
@keyframes floaty{ 0%,100%{ transform:translateY(0);} 50%{ transform:translateY(-8px);} }

/* ===== Sections generic ===== */
.section{ padding:120px 0; }
.section.tight{ padding:96px 0; }
.section-head{ max-width:640px; margin-bottom:64px; }
.section-head h2{
  font-size:clamp(28px,3.4vw,42px);
  line-height:1.14;
  margin-top:16px;
  font-weight:600;
  color:var(--ink);
}
.section-head p{
  margin-top:18px;
  font-size:16.5px;
  line-height:1.6;
  color:var(--slate);
}
.on-dark .section-head h2{ color:#fff; }
.on-dark .section-head p{ color:#AEB2D6; }

.bg-light{ background:var(--bg-light); }
.bg-white{ background:var(--bg-white); }
.bg-dark{
  background:linear-gradient(180deg,#0C0B18,#171233);
  color:#fff;
}

/* divider signal line between sections */
.divider{
  height:2px;
  background:var(--gradient-signal);
  opacity:0.5;
  border:none;
  margin:0;
}

/* ===== Problem grid ===== */
.grid-2{ display:grid; grid-template-columns:1fr 1fr; gap:26px; }
.grid-3{ display:grid; grid-template-columns:repeat(3,1fr); gap:26px; }
.grid-4{ display:grid; grid-template-columns:repeat(4,1fr); gap:20px; }

.card{
  background:var(--bg-white);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  padding:32px;
}
.card .icon{
  width:44px;height:44px;
  border-radius:12px;
  display:flex; align-items:center; justify-content:center;
  background:linear-gradient(135deg, rgba(84,110,233,0.12), rgba(124,92,252,0.12));
  color:var(--indigo);
  margin-bottom:20px;
}
.card h3{ font-size:19px; font-weight:600; margin-bottom:10px; }
.card p{ font-size:14.8px; line-height:1.6; color:var(--slate); }

/* ===== How it works ===== */
.steps{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:0;
  position:relative;
  counter-reset:step;
}
.step{
  padding:0 28px;
  position:relative;
}
.step:not(:first-child){ border-left:1px solid rgba(255,255,255,0.1); }
.step .num{
  font-family:'Space Grotesk',sans-serif;
  font-size:14px;
  font-weight:600;
  color:var(--cyan);
  letter-spacing:0.06em;
  margin-bottom:18px;
  display:block;
}
.step h3{ font-size:20px; font-weight:600; color:#fff; margin-bottom:12px; }
.step p{ font-size:14.8px; line-height:1.65; color:#AEB2D6; }

/* ===== Example / chat mockup ===== */
.example-wrap{
  display:grid;
  grid-template-columns:0.9fr 1.1fr;
  gap:56px;
  align-items:center;
}
.chat-mock{
  background:linear-gradient(180deg,#0C0B18,#1a1638);
  border-radius:var(--radius-lg);
  border:1px solid var(--line);
  padding:26px;
  box-shadow:0 30px 70px -30px rgba(20,15,50,0.35);
}
.chat-mock .chat-head{
  display:flex; align-items:center; gap:10px;
  padding-bottom:16px; margin-bottom:20px;
  border-bottom:1px solid rgba(255,255,255,0.08);
}
.chat-mock .chat-head img{ width:22px;height:22px; }
.chat-mock .chat-head span{ font-size:13.5px; font-weight:600; color:#fff; font-family:'Space Grotesk',sans-serif; }
.chat-mock .chat-head small{ margin-left:auto; font-size:11.5px; color:#7d81a3; }
.bubble{
  max-width:88%;
  padding:13px 16px;
  border-radius:16px;
  font-size:14px;
  line-height:1.55;
  margin-bottom:12px;
}
.bubble.agent{
  background:rgba(255,255,255,0.06);
  color:#E4E5F5;
  border:1px solid rgba(255,255,255,0.08);
  border-top-left-radius:4px;
}
.bubble.user{
  background:var(--gradient-signal);
  color:#fff;
  margin-left:auto;
  border-top-right-radius:4px;
  font-weight:600;
  width:fit-content;
}
.bubble b{ color:#fff; }

/* ===== Data sources ===== */
.sources-flow{
  display:flex;
  align-items:center;
  gap:14px;
  flex-wrap:wrap;
  justify-content:center;
}
.source-chip{
  flex:1 1 220px;
  background:var(--bg-white);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  padding:24px 22px;
  text-align:left;
}
.source-chip .tag{
  font-family:'Space Grotesk',sans-serif;
  font-weight:600; font-size:13.5px;
  color:var(--indigo); margin-bottom:8px;
}
.source-chip p{ font-size:13.5px; color:var(--slate); line-height:1.55; }
.flow-arrow{
  flex:0 0 auto;
  width:34px; height:2px;
  background:var(--gradient-signal);
  position:relative;
  opacity:0.65;
}
.flow-arrow::after{
  content:"";
  position:absolute; right:-4px; top:-3px;
  width:8px;height:8px;
  border-right:2px solid var(--violet);
  border-top:2px solid var(--violet);
  transform:rotate(45deg);
}
.decision-node{
  flex:0 0 auto;
  width:150px; height:150px;
  border-radius:50%;
  background:var(--gradient-signal);
  color:#fff;
  display:flex; align-items:center; justify-content:center; text-align:center;
  font-family:'Space Grotesk',sans-serif; font-weight:600; font-size:14.5px;
  line-height:1.3; padding:10px;
  box-shadow:0 20px 50px -16px rgba(84,110,233,0.55);
}

/* ===== Trust tiers ===== */
.tiers{ display:grid; grid-template-columns:repeat(4,1fr); gap:20px; }
.tier{
  border-radius:var(--radius-md);
  padding:26px 22px;
  border:1px solid var(--line);
  background:var(--bg-white);
  position:relative;
}
.tier .level{
  font-family:'Space Grotesk',sans-serif;
  font-size:12px; font-weight:700; letter-spacing:.08em; text-transform:uppercase;
  color:var(--violet); margin-bottom:14px;
}
.tier h3{ font-size:17px; font-weight:600; margin-bottom:10px; }
.tier p{ font-size:13.8px; line-height:1.55; color:var(--slate); }
.tier.active{
  border-color:transparent;
  background:linear-gradient(180deg,#fff,#fff) padding-box, var(--gradient-signal) border-box;
  border:2px solid transparent;
}
.trust-note{
  margin-top:34px;
  display:flex; gap:12px; align-items:flex-start;
  padding:20px 22px;
  background:var(--bg-light);
  border-radius:var(--radius-md);
  border:1px solid var(--line);
}
.trust-note p{ font-size:14px; color:var(--ink-soft); line-height:1.6; }
.trust-note b{ color:var(--ink); }

/* ===== FAQ ===== */
.faq-item{
  border-bottom:1px solid var(--line);
}
.faq-item summary{
  cursor:pointer;
  list-style:none;
  padding:24px 4px;
  display:flex; align-items:center; justify-content:space-between;
  font-family:'Space Grotesk',sans-serif;
  font-weight:600; font-size:16.5px;
  color:var(--ink);
}
.faq-item summary::-webkit-details-marker{ display:none; }
.faq-item summary .plus{
  width:22px;height:22px; flex:0 0 auto;
  border-radius:50%;
  border:1px solid var(--line);
  display:flex; align-items:center; justify-content:center;
  font-size:15px; color:var(--indigo);
  transition:transform .2s ease;
}
.faq-item[open] summary .plus{ transform:rotate(45deg); }
.faq-item .faq-body{ padding:0 4px 24px; font-size:14.8px; line-height:1.65; color:var(--slate); max-width:720px; }

/* ===== Audience ===== */
.audience-card{
  border-radius:var(--radius-md);
  padding:30px;
  background:var(--bg-white);
  border:1px solid var(--line);
}
.audience-card .kicker{
  font-family:'Space Grotesk',sans-serif;
  font-size:13px; font-weight:600; color:var(--slate); margin-bottom:6px;
}
.audience-card h3{ font-size:20px; font-weight:600; margin-bottom:12px; }
.audience-card p{ font-size:14.5px; color:var(--slate); line-height:1.6; }

/* ===== Final CTA ===== */
.final-cta{
  position:relative;
  background:
    radial-gradient(ellipse 700px 400px at 20% 0%, rgba(45,212,191,0.18), transparent 60%),
    radial-gradient(ellipse 800px 500px at 85% 100%, rgba(124,92,252,0.3), transparent 60%),
    linear-gradient(180deg,#0C0B18,#1B1640);
  color:#fff;
  padding:110px 0;
  text-align:center;
  overflow:hidden;
}
.final-cta h2{
  font-size:clamp(30px,4.2vw,48px);
  font-weight:600;
  max-width:720px;
  margin:0 auto;
  line-height:1.15;
}
.final-cta p{
  margin:20px auto 0;
  max-width:520px;
  color:#AEB2D6;
  font-size:16px;
  line-height:1.6;
}
.waitlist-form{
  margin:38px auto 0;
  display:flex;
  gap:10px;
  max-width:440px;
  flex-wrap:wrap;
  justify-content:center;
}
.waitlist-form input{
  flex:1 1 240px;
  padding:14px 18px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,0.18);
  background:rgba(255,255,255,0.06);
  color:#fff;
  font-size:14.5px;
  outline:none;
  transition:border-color .15s ease;
}
.waitlist-form input::placeholder{ color:#8489B0; }
.waitlist-form input:focus{ border-color:var(--cyan); }
.waitlist-form .btn{ flex:0 0 auto; }
.form-note{ margin-top:14px; font-size:12.5px; color:#7d81a3; }

/* ===== Footer ===== */
.footer{
  background:#08070F;
  color:#8489B0;
  padding:56px 0 32px;
}
.footer-top{
  display:flex; justify-content:space-between; align-items:flex-start;
  flex-wrap:wrap; gap:40px;
  padding-bottom:40px; margin-bottom:28px;
  border-bottom:1px solid rgba(255,255,255,0.08);
}
.footer-brand{ display:flex; align-items:center; gap:10px; }
.footer-brand img{ width:26px;height:26px; }
.footer-brand span{ font-family:'Space Grotesk',sans-serif; color:#fff; font-size:16px; }
.footer-brand span b{ font-weight:700; }
.footer-tagline{ margin-top:12px; font-size:13.5px; max-width:260px; line-height:1.6; }
.footer-links{ display:flex; gap:56px; flex-wrap:wrap; }
.footer-col h4{ font-size:12.5px; letter-spacing:.06em; text-transform:uppercase; color:#5C6089; margin-bottom:14px; font-family:'Space Grotesk',sans-serif; }
.footer-col a{ display:block; font-size:13.8px; margin-bottom:10px; color:#AEB2D6; transition:color .15s ease; }
.footer-col a:hover{ color:#fff; }
.footer-bottom{ display:flex; justify-content:space-between; font-size:12.5px; flex-wrap:wrap; gap:12px; }

/* ===== Reveal animation ===== */
.reveal{ opacity:0; transform:translateY(22px); transition:opacity .7s ease, transform .7s ease; }
.reveal.in{ opacity:1; transform:translateY(0); }

/* ===== Mobile ===== */
@media (max-width:960px){
  .grid-3, .grid-4, .tiers, .steps{ grid-template-columns:1fr; }
  .step:not(:first-child){ border-left:none; border-top:1px solid rgba(255,255,255,0.1); padding-top:32px; margin-top:32px; }
  .example-wrap{ grid-template-columns:1fr; }
  .grid-2{ grid-template-columns:1fr; }
  .footer-top{ flex-direction:column; }
}
@media (max-width:1000px){
  .nav-links{ display:none; }
}
@media (max-width:720px){
  .container{ padding:0 20px; }
  .section{ padding:80px 0; }
  .hero{ padding:64px 0 40px; }
  .alert-card{ position:static; width:100%; margin-top:22px; }
  .sources-flow{ flex-direction:column; }
  .flow-arrow{ width:2px; height:24px; }
  .flow-arrow::after{ right:-3px; top:auto; bottom:-2px; transform:rotate(135deg); }
}

@media (prefers-reduced-motion: reduce){
  *{ animation-duration:0.001ms !important; animation-iteration-count:1 !important; transition-duration:0.001ms !important; scroll-behavior:auto !important; }
}


/* ===== Legal / document pages ===== */
.doc-hero{
  background:linear-gradient(160deg, var(--hero-1) 0%, var(--hero-2) 60%, var(--hero-3) 100%);
  padding:120px 0 72px;
}
.doc-hero h1{ color:#fff; font-size:clamp(32px,5vw,50px); line-height:1.1; margin-top:16px; }
.doc-hero .lead{ color:#B9BEE4; margin-top:18px; max-width:640px; font-size:17px; line-height:1.65; }
.doc-hero .updated{ margin-top:22px; font-size:13px; color:#7C82AE; letter-spacing:.04em; }

.doc-body{ padding:72px 0 96px; background:var(--bg-white); }
.doc-layout{ display:grid; grid-template-columns:240px 1fr; gap:64px; align-items:start; }
.doc-toc{ position:sticky; top:96px; }
.doc-toc h4{
  font-family:'Space Grotesk',sans-serif; font-size:12px; letter-spacing:.1em;
  text-transform:uppercase; color:var(--slate); margin-bottom:14px;
}
.doc-toc a{
  display:block; font-size:14px; color:var(--ink-soft); padding:7px 0;
  border-left:2px solid var(--line); padding-left:14px; margin-left:-2px;
  transition:color .15s ease, border-color .15s ease;
}
.doc-toc a:hover{ color:var(--indigo); border-color:var(--indigo); }

.doc-content{ max-width:760px; }
.doc-content h2{
  font-size:26px; margin-top:56px; margin-bottom:16px;
  padding-top:8px; scroll-margin-top:96px;
}
.doc-content h2:first-child{ margin-top:0; }
.doc-content h3{ font-size:18px; margin-top:32px; margin-bottom:10px; color:var(--ink); }
.doc-content p{ margin-bottom:16px; line-height:1.75; color:var(--ink-soft); font-size:16px; }
.doc-content ul, .doc-content ol{ margin:0 0 20px; padding-left:22px; color:var(--ink-soft); }
.doc-content li{ margin-bottom:10px; line-height:1.7; font-size:16px; }
.doc-content a{ color:var(--indigo); text-decoration:underline; text-underline-offset:2px; }
.doc-content strong{ color:var(--ink); font-weight:600; }
.doc-content table{
  width:100%; border-collapse:collapse; margin:8px 0 24px; font-size:14.5px;
}
.doc-content th, .doc-content td{
  text-align:left; padding:12px 14px; border:1px solid var(--line); vertical-align:top;
  color:var(--ink-soft); line-height:1.6;
}
.doc-content th{ background:var(--bg-light); color:var(--ink); font-weight:600; font-size:13.5px; }
.callout{
  border:1px solid var(--line); border-left:3px solid var(--indigo);
  background:var(--bg-light); border-radius:0 var(--radius-sm) var(--radius-sm) 0;
  padding:20px 24px; margin:24px 0;
}
.callout p:last-child{ margin-bottom:0; }
.callout p{ font-size:15px; }

.addr{ font-style:normal; line-height:1.8; color:var(--ink-soft); font-size:16px; }

@media (max-width:900px){
  .doc-layout{ grid-template-columns:1fr; gap:36px; }
  .doc-toc{ position:static; }
  .doc-toc a{ display:inline-block; margin-right:8px; border-left:none; padding-left:0; }
  .doc-hero{ padding:100px 0 56px; }
}