.rai-brand-mark{
  width:50px;
  height:50px;
  display:flex;
  align-items:flex-end;
  justify-content:center;
  gap:4px;
  padding:11px;
  border:1px solid var(--line);
  border-radius:16px;
  background:linear-gradient(145deg,#0d233d,#050b13);
  box-shadow:0 8px 24px rgba(0,0,0,.24);
}
.rai-brand-mark i{
  width:6px;
  display:block;
  border-radius:6px;
  background:linear-gradient(180deg,var(--accent),var(--accent2));
}
.rai-brand-mark i:nth-child(1){height:13px}
.rai-brand-mark i:nth-child(2){height:26px}
.rai-brand-mark i:nth-child(3){height:19px}
.rai-page{overflow:hidden}
.rai-page h1,.rai-page h2,.rai-page h3{color:var(--text)}
.rai-page p{color:var(--muted)}
.rai-hero{
  position:relative;
  overflow:hidden;
  padding:88px 0 76px;
  border-bottom:1px solid var(--line);
  background:
    radial-gradient(circle at 82% 18%,rgba(102,217,194,.13),transparent 27%),
    radial-gradient(circle at 8% 10%,rgba(91,143,255,.2),transparent 28%),
    linear-gradient(150deg,#07111f 0%,#0b1b30 58%,#071725 100%);
}
.rai-grid-pattern{
  position:absolute;
  inset:0;
  opacity:.24;
  pointer-events:none;
  background-image:
    linear-gradient(rgba(139,184,255,.11) 1px,transparent 1px),
    linear-gradient(90deg,rgba(139,184,255,.11) 1px,transparent 1px);
  background-size:58px 58px;
  mask-image:linear-gradient(90deg,#000,transparent 82%);
}
.rai-hero-grid{
  position:relative;
  display:grid;
  grid-template-columns:minmax(0,1.35fr) minmax(330px,.65fr);
  align-items:center;
  gap:clamp(34px,7vw,92px);
}
.rai-hero-copy{max-width:760px}
.rai-hero h1{
  margin:0 0 24px;
  max-width:840px;
  font-size:clamp(2.8rem,5.4vw,5.8rem);
  line-height:1;
  letter-spacing:-.055em;
}
.rai-hero p{
  margin:0 0 8px;
  max-width:720px;
  font-size:1.08rem;
  line-height:1.75;
}
.rai-assurance-card{
  padding:25px;
  border:1px solid rgba(139,184,255,.2);
  border-radius:28px;
  background:rgba(3,10,19,.58);
  box-shadow:0 30px 70px rgba(0,0,0,.28);
  backdrop-filter:blur(14px);
}
.rai-card-label{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding-bottom:16px;
  border-bottom:1px solid var(--line);
  color:#b9d5ff;
  font-size:.75rem;
  font-weight:800;
  letter-spacing:.14em;
  text-transform:uppercase;
}
.rai-status{
  padding:5px 9px;
  border:1px solid rgba(102,217,194,.3);
  border-radius:999px;
  color:#a7f1df;
  background:rgba(102,217,194,.08);
  font-size:.65rem;
  letter-spacing:.08em;
}
.rai-assurance-list{
  display:grid;
  gap:9px;
  padding:18px 0;
}
.rai-assurance-list div{
  display:grid;
  gap:2px;
  padding:12px 14px;
  border:1px solid rgba(255,255,255,.08);
  border-radius:15px;
  background:rgba(255,255,255,.035);
}
.rai-assurance-list strong{font-size:.98rem}
.rai-assurance-list span{color:var(--muted);font-size:.85rem}
.rai-assurance-path{
  display:flex;
  align-items:center;
  color:#9cb0cd;
  font-size:.62rem;
  font-weight:800;
  letter-spacing:.08em;
  text-transform:uppercase;
}
.rai-assurance-path i{
  flex:1;
  height:1px;
  margin:0 6px;
  background:rgba(102,217,194,.46);
}
.rai-foundations{
  padding:17px 0;
  border-bottom:1px solid var(--line);
  background:rgba(255,255,255,.025);
}
.rai-foundations .container{
  display:grid;
  grid-template-columns:auto 1fr;
  align-items:center;
  gap:34px;
}
.rai-foundations p{
  margin:0;
  color:#8194b0;
  font-size:.76rem;
  font-weight:700;
  letter-spacing:.08em;
  text-transform:uppercase;
}
.rai-foundations .container div{
  display:flex;
  justify-content:flex-end;
  gap:30px;
  color:#d8e5ff;
  font-size:.82rem;
  font-weight:700;
}
.rai-section{padding:94px 0}
.rai-section-heading{max-width:790px}
.rai-section-heading.rai-heading-wide{max-width:900px}
.rai-section-heading h2,.rai-unixai-intro h2,.rai-decision-band h2,.rai-contact-section h2{
  margin:0;
  font-size:clamp(2.2rem,4.3vw,4.2rem);
  line-height:1.06;
  letter-spacing:-.045em;
}
.rai-section-heading>p,.rai-unixai-intro p{
  margin:16px 0 0;
  font-size:1.04rem;
  line-height:1.75;
}
.rai-section-heading>p+p,.rai-unixai-intro p+p{margin-top:4px}
.rai-risk-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:16px;
  margin-top:42px;
}
.rai-risk-card{
  --level:#66d9c2;
  min-height:310px;
  display:flex;
  flex-direction:column;
  padding:24px;
  border:1px solid var(--line);
  border-top:4px solid var(--level);
  border-radius:24px;
  background:rgba(255,255,255,.045);
  box-shadow:0 18px 38px rgba(0,0,0,.12);
}
.rai-level-one{--level:#66d9c2}
.rai-level-two{--level:#6ca9ff}
.rai-level-three{--level:#a68bff}
.rai-level-four{--level:#ffad68}
.rai-risk-id{
  color:var(--level);
  font-size:.75rem;
  font-weight:850;
  letter-spacing:.14em;
}
.rai-risk-card h3{margin:16px 0 9px;font-size:1.22rem}
.rai-risk-card p{margin:0;font-size:.94rem;line-height:1.68}
.rai-approval{
  display:grid;
  gap:3px;
  margin-top:auto;
  padding-top:18px;
  border-top:1px solid rgba(255,255,255,.09);
}
.rai-approval span{
  color:#7990ad;
  font-size:.65rem;
  font-weight:800;
  letter-spacing:.1em;
  text-transform:uppercase;
}
.rai-approval strong{color:#dfeaff;font-size:.82rem;line-height:1.45}
.rai-principle-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  margin-top:48px;
  border-top:1px solid var(--line);
}
.rai-principle-grid article{padding:26px 22px 0 0}
.rai-principle-grid article+article{padding-left:22px;border-left:1px solid var(--line)}
.rai-principle-number{color:var(--accent);font-size:.72rem;font-weight:850;letter-spacing:.12em}
.rai-principle-grid h3{margin:13px 0 8px;font-size:1.02rem}
.rai-principle-grid p{margin:0;font-size:.9rem;line-height:1.65}
.rai-lifecycle-section{
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  background:rgba(255,255,255,.025);
}
.rai-lifecycle-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  column-gap:58px;
  margin-top:38px;
}
.rai-lifecycle-grid article{
  display:grid;
  grid-template-columns:52px 1fr;
  gap:12px;
  padding:22px 0;
  border-top:1px solid var(--line);
}
.rai-lifecycle-grid article:nth-last-child(-n+2){border-bottom:1px solid var(--line)}
.rai-lifecycle-grid article>span{color:var(--accent2);font-size:.75rem;font-weight:850;letter-spacing:.12em}
.rai-lifecycle-grid h3{margin:-3px 0 6px;font-size:1.05rem}
.rai-lifecycle-grid p{margin:0;font-size:.92rem;line-height:1.65}
.rai-unixai-section{
  position:relative;
  background:
    radial-gradient(circle at 90% 0,rgba(102,217,194,.12),transparent 25%),
    linear-gradient(145deg,#081525,#0b1e34 55%,#071522);
}
.rai-unixai-intro{
  display:grid;
  grid-template-columns:1fr auto;
  align-items:end;
  gap:70px;
}
.rai-unixai-intro>div:first-child{max-width:800px}
.rai-unixai-badge{
  min-width:210px;
  display:grid;
  gap:3px;
  padding:18px 20px;
  border:1px solid rgba(102,217,194,.3);
  border-radius:18px;
  background:rgba(102,217,194,.075);
}
.rai-unixai-badge strong{font-size:1.45rem}
.rai-unixai-badge span{color:#9fdccc;font-size:.67rem;font-weight:800;letter-spacing:.13em;text-transform:uppercase}
.rai-unixai-flow{
  display:grid;
  grid-template-columns:repeat(5,minmax(0,1fr));
  gap:13px;
  margin-top:48px;
}
.rai-unixai-flow article{
  min-height:330px;
  display:flex;
  flex-direction:column;
  padding:22px;
  border:1px solid var(--line);
  border-radius:24px;
  background:rgba(255,255,255,.04);
}
.rai-unixai-flow article>span{color:var(--accent);font-size:.7rem;font-weight:850;letter-spacing:.12em}
.rai-unixai-flow h3{margin:auto 0 10px;font-size:1.03rem;line-height:1.35}
.rai-unixai-flow p{margin:0;font-size:.87rem;line-height:1.62}
.rai-unixai-flow p+p{margin-top:7px}
.rai-boundary-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:16px}
.rai-boundary-card{padding:25px;border-radius:24px}
.rai-supports{border:1px solid rgba(102,217,194,.25);background:rgba(102,217,194,.07)}
.rai-boundaries{border:1px solid rgba(255,173,104,.24);background:rgba(255,173,104,.06)}
.rai-boundary-card h3{margin:0 0 15px;font-size:1.05rem}
.rai-supports h3{color:#9fe8d6}
.rai-boundaries h3{color:#ffd0a9}
.rai-boundary-card ul{display:grid;gap:8px;margin:0;padding:0;list-style:none;color:var(--muted);font-size:.9rem}
.rai-boundary-card li{position:relative;padding-left:17px}
.rai-boundary-card li:before{content:"";position:absolute;left:0;top:.65em;width:5px;height:5px;border-radius:50%;background:currentColor}
.rai-evidence-section{border-top:1px solid var(--line)}
.rai-evidence-layout{display:grid;grid-template-columns:minmax(0,.9fr) minmax(420px,1.1fr);gap:clamp(48px,8vw,110px);align-items:start}
.rai-review-path{display:flex;align-items:center;gap:9px;margin-top:28px;color:#a4cdfc;font-size:.75rem;font-weight:800}
.rai-review-path i{width:24px;height:1px;background:var(--accent)}
.rai-evidence-list{border-top:1px solid var(--line)}
.rai-evidence-list div{display:grid;grid-template-columns:48px 1fr;align-items:center;min-height:59px;border-bottom:1px solid var(--line)}
.rai-evidence-list span{color:#7f94af;font-size:.7rem;font-weight:800;letter-spacing:.08em}
.rai-evidence-list strong{font-size:.93rem}
.rai-evidence-list strong:after{content:"✓";float:right;color:var(--accent);font-weight:800}
.rai-decision-band{
  padding:68px 0;
  background:linear-gradient(120deg,#164983,#355fba 58%,#178b94);
}
.rai-decision-band .container{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:70px}
.rai-decision-band .kicker{color:#c3f6eb}
.rai-decision-band h2{font-size:clamp(2rem,3.6vw,3.7rem)}
.rai-decision-band h2+h2{margin-top:5px}
.rai-decisions{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.rai-decisions span{padding:16px;border:1px solid rgba(255,255,255,.24);border-radius:15px;background:rgba(255,255,255,.08);font-size:.9rem;font-weight:700}
.rai-contact-section{padding:78px 0;background:rgba(139,184,255,.07);border-bottom:1px solid var(--line)}
.rai-contact-section .container{display:grid;grid-template-columns:1fr auto;align-items:center;gap:42px}
.rai-contact-section h2{max-width:850px;font-size:clamp(2rem,3.7vw,3.8rem)}
.rai-contact-section .btn{min-width:185px}
.rai-page section[id]{scroll-margin-top:94px}

@media (max-width:1080px){
  .rai-hero-grid{grid-template-columns:1fr}
  .rai-assurance-card{max-width:660px}
  .rai-risk-grid{grid-template-columns:1fr 1fr}
  .rai-principle-grid{grid-template-columns:1fr 1fr}
  .rai-principle-grid article:nth-child(3){padding-left:0;border-left:0}
  .rai-principle-grid article:nth-child(n+3){margin-top:22px;padding-top:22px;border-top:1px solid var(--line)}
  .rai-unixai-flow{grid-template-columns:repeat(2,1fr)}
  .rai-unixai-flow article{min-height:260px}
  .rai-unixai-flow article:last-child{grid-column:1/-1;min-height:210px}
  .rai-unixai-intro{grid-template-columns:1fr;align-items:start;gap:26px}
  .rai-unixai-badge{width:100%}
}

@media (max-width:760px){
  .rai-hero{padding:58px 0 52px}
  .rai-hero h1{font-size:clamp(2.55rem,12vw,4rem)}
  .rai-hero p{font-size:1rem}
  .rai-foundations .container{grid-template-columns:1fr;gap:10px}
  .rai-foundations .container div{justify-content:flex-start;flex-wrap:wrap;gap:8px 18px}
  .rai-section{padding:68px 0}
  .rai-section-heading h2,.rai-unixai-intro h2,.rai-decision-band h2,.rai-contact-section h2{font-size:2.35rem}
  .rai-risk-grid,.rai-principle-grid,.rai-lifecycle-grid,.rai-unixai-flow,.rai-boundary-grid,.rai-evidence-layout,.rai-decision-band .container,.rai-decisions,.rai-contact-section .container{grid-template-columns:1fr}
  .rai-risk-card{min-height:260px}
  .rai-principle-grid article,.rai-principle-grid article+article,.rai-principle-grid article:nth-child(3){margin:0;padding:22px 0;border-left:0;border-top:1px solid var(--line)}
  .rai-lifecycle-grid{margin-top:30px}
  .rai-lifecycle-grid article:nth-last-child(2){border-bottom:0}
  .rai-unixai-flow article,.rai-unixai-flow article:last-child{grid-column:auto;min-height:240px}
  .rai-evidence-layout{gap:46px}
  .rai-review-path{flex-wrap:wrap}
  .rai-decision-band .container{gap:30px}
  .rai-contact-section .container{align-items:stretch}
  .rai-contact-section .btn{width:100%}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
}