:root{
  --bg:#07111d;
  --surface:#0b1725;
  --surface-2:#0e1c2d;
  --text:#e9f2fb;
  --muted:#9eb0c3;
  --line:#20364d;
  --blue:#2f8cff;
  --blue-2:#70b6ff;
  --amber:#f2b84b;
  --max:1180px;
  --radius:18px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  color:var(--text);
  background:
    radial-gradient(circle at 12% -10%,rgba(47,140,255,.14),transparent 34rem),
    linear-gradient(180deg,#07111d 0%,#08131f 100%);
  line-height:1.6;
}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
.wrap{width:min(calc(100% - 36px),var(--max));margin:0 auto}
.eyebrow{
  font-size:.78rem;
  letter-spacing:.14em;
  text-transform:uppercase;
  font-weight:800;
  color:var(--blue-2);
}
.muted{color:var(--muted)}
h1,h2,h3{line-height:1.08;margin:0 0 18px;letter-spacing:-.025em}
h1{font-size:clamp(2.7rem,6vw,5.5rem);max-width:800px}
h2{font-size:clamp(2rem,4vw,3.25rem)}
h3{font-size:1.25rem}
p{margin:0 0 18px}
section{padding:84px 0}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:48px;padding:0 18px;border-radius:10px;
  font-weight:800;border:1px solid var(--blue);transition:.18s ease;
}
.btn.primary{background:var(--blue);color:white}
.btn.primary:hover{background:#4a9bff}
.btn.secondary{background:transparent;color:#dceafb;border-color:#4f6881}
.btn.secondary:hover{border-color:#7fa6cc;background:rgba(255,255,255,.03)}
.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}
header{
  position:sticky;top:0;z-index:20;
  background:rgba(7,17,29,.9);backdrop-filter:blur(12px);
  border-bottom:1px solid rgba(32,54,77,.8);
}
nav{
  min-height:72px;display:flex;align-items:center;
  justify-content:space-between;gap:22px;
}
.brand{display:flex;align-items:center}
.brand img{width:264px;height:auto}
.navlinks{display:flex;gap:24px;color:#b8c8d8;font-size:.92rem}
.navlinks a:hover{color:white}
.nav-right{display:flex;align-items:center;gap:24px}
.btn.login{
  min-height:36px;padding:0 14px;border-radius:8px;
  font-size:.86rem;font-weight:700;white-space:nowrap;
  background:transparent;color:#b8c8d8;border-color:#2f4a66;
}
.btn.login:hover{color:white;border-color:#4f6881;background:rgba(255,255,255,.03)}

.hero{
  --overlap:min(12vh,8vw);
  position:relative;overflow:hidden;
  padding:0 0 76px;border-bottom:1px solid var(--line);
}

/* Edge-to-edge video, faded into the page top and bottom */
.hero-media{position:relative}
.hero-media video{
  display:block;width:100%;height:min(78vh,56.25vw);object-fit:cover;
  -webkit-mask-image:linear-gradient(to bottom,transparent 0,#000 12%,#000 75%,transparent 100%);
  mask-image:linear-gradient(to bottom,transparent 0,#000 12%,#000 75%,transparent 100%);
  animation:fade-in 1.4s ease both;
}
/* Soft vignette so the sides sink into the background */
.hero-media::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(ellipse 75% 90% at 50% 40%,transparent 55%,rgba(7,17,29,.85) 100%);
}
.hero-content .caption{
  grid-column:2;grid-row:1 / span 5;align-self:end;
  padding:12px 14px;border-radius:12px;
  background:rgba(7,17,29,.55);border:1px solid rgba(112,182,255,.18);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  color:#b4c6d8;font-size:.78rem;line-height:1.45;
}
.caption-tag{
  display:block;margin-bottom:4px;color:var(--blue-2);
  font-size:.68rem;font-weight:800;letter-spacing:.14em;text-transform:uppercase;
}

/* Headline rises up over the faded lower edge of the video */
.hero-content{
  position:relative;z-index:2;margin-top:calc(-1 * var(--overlap));
  display:grid;grid-template-columns:minmax(0,1fr) 300px;column-gap:56px;
}
.hero-content > *{grid-column:1}
.hero-content .status{justify-self:start}
.hero-content::before{
  content:"";position:absolute;z-index:-1;left:-12%;top:-20%;width:70%;height:120%;
  background:radial-gradient(closest-side,rgba(47,140,255,.16),transparent);
  pointer-events:none;
}
.hero-content > *{animation:rise .9s cubic-bezier(.2,.7,.2,1) both}
.hero-content > :nth-child(1){animation-delay:.25s}
.hero-content > :nth-child(2){animation-delay:.38s}
.hero-content > :nth-child(3){animation-delay:.51s}
.hero-content > :nth-child(4){animation-delay:.64s}
.hero-content > :nth-child(5){animation-delay:.77s}
.hero-content > :nth-child(6){animation-delay:.95s}
.hero h1{
  background:linear-gradient(180deg,#fff 35%,var(--blue-2) 140%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  padding-bottom:.1em; /* keep descenders inside the clipped gradient */
}

.status{
  display:inline-flex;align-items:center;gap:9px;padding:8px 13px;
  border:1px solid rgba(242,184,75,.35);background:rgba(30,26,18,.6);color:#ead6a8;
  backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
  border-radius:999px;font-size:.78rem;font-weight:800;
  letter-spacing:.08em;text-transform:uppercase;margin-bottom:24px;
}
.dot{
  width:8px;height:8px;border-radius:50%;background:var(--amber);
  animation:pulse 2.4s ease-out infinite;
}
.hero-sub{font-size:1.18rem;color:#bad0e4;max-width:720px}
.hero-line{
  margin-top:22px;padding-left:16px;border-left:3px solid var(--blue);
  color:#d7e7f6;font-weight:800;font-size:1.04rem;
}

@keyframes rise{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}
@keyframes fade-in{from{opacity:0}to{opacity:1}}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(242,184,75,.55)}
  70%,100%{box-shadow:0 0 0 9px rgba(242,184,75,0)}
}
@media(prefers-reduced-motion:reduce){
  .hero-media video,.caption,.hero-content > *,.dot{animation:none}
}

.questions{
  display:grid;grid-template-columns:.78fr 1.22fr;gap:52px;align-items:start;
}
.question-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.question{
  border:1px solid var(--line);background:linear-gradient(180deg,#0d1a2a,#0a1623);
  border-radius:14px;padding:22px;
}
.question .tag{color:var(--blue-2);font-size:.75rem;font-weight:800;text-transform:uppercase;letter-spacing:.08em}
.question strong{display:block;margin-top:8px;font-size:1.07rem}

.network{
  background:
    radial-gradient(circle at 85% 20%,rgba(47,140,255,.16),transparent 28rem),
    #081522;
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.benefit{
  border:1px solid #274763;background:rgba(12,33,53,.78);
  border-radius:14px;padding:26px;
}
.benefit strong{display:block;margin-bottom:8px;font-size:1.08rem}

.flow{
  display:grid;grid-template-columns:repeat(5,1fr);gap:12px;margin-top:34px;
}
.flow-item{
  padding:22px 16px;border:1px solid #274763;
  background:rgba(12,33,53,.78);border-radius:12px;min-height:120px;
}
.flow-item b{display:block;margin-bottom:6px;color:white}
.flow-item span{color:#9fbad2;font-size:.9rem}

.hierarchy{
  display:grid;grid-template-columns:repeat(5,1fr);gap:10px;margin-top:28px;
}
.level{
  padding:18px 12px;text-align:center;border:1px solid #295174;
  background:#0d2033;border-radius:12px;font-weight:800;position:relative;
}
.level:not(:last-child)::after{
  content:"›";position:absolute;right:-10px;top:50%;
  transform:translateY(-52%);color:#5fa9f5;font-size:1.5rem;z-index:2;
}

.discovery{display:grid;grid-template-columns:.88fr 1.12fr;gap:46px;align-items:start}
.source-list{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.source{
  border:1px solid var(--line);background:#0b1826;
  border-radius:12px;padding:18px;color:#c5d5e5;
}

.engineering{
  border:1px solid #274663;background:linear-gradient(180deg,#0b1c2d,#091725);
  border-radius:var(--radius);padding:32px;
  display:grid;grid-template-columns:1fr auto;gap:32px;align-items:center;
}
.engineering .techbadge{display:inline-block}
.engineering-photo{margin:0;width:300px;max-width:100%;justify-self:center}
.engineering-photo img{
  display:block;width:100%;height:auto;border-radius:12px;
  border:1px solid #315c83;box-shadow:0 18px 50px rgba(0,0,0,.3);
}
.engineering-photo figcaption{color:#8197ad;font-size:.78rem;margin-top:10px;text-align:center}
.techline{color:#b8c9da;font-weight:700;line-height:1.9}
.techbadge{
  border:1px solid #315c83;background:#0c2136;
  border-radius:14px;padding:20px 24px;white-space:nowrap;
  color:#cfe6fb;font-weight:800;
}

.about{
  display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;align-items:start;
}
.about-card{
  border:1px solid var(--line);background:#0b1826;
  border-radius:14px;padding:28px;
}

.status-panel{
  border:1px solid #345d83;background:linear-gradient(180deg,#0b1c2d,#091725);
  border-radius:var(--radius);padding:34px;text-align:center;
}
.test-facts{
  display:grid;grid-template-columns:repeat(3,1fr);gap:18px;
  max-width:860px;margin:30px auto 0;text-align:left;
}
.test-fact{
  border:1px solid var(--line);background:#0b1826;
  border-radius:12px;padding:18px 20px;
}
.test-fact strong{display:block;color:var(--blue-2);font-size:.82rem;
  letter-spacing:.08em;text-transform:uppercase;margin-bottom:6px}
.test-fact span{color:#c5d5e5;font-size:.95rem;line-height:1.5}
.ask{
  border:1px solid #315c83;background:#0c2136;border-radius:14px;
  padding:24px 26px;max-width:760px;margin:28px auto 0;text-align:left;
}
.ask h3{margin:0 0 12px;font-size:1.15rem}
.ask p{margin:0 0 14px;color:#c4d7e9}
.ask p:last-child{margin-bottom:0}
.ask ul{margin:0 0 14px;padding-left:20px;color:#c4d7e9}
.ask li{margin-bottom:7px}

.contact{
  text-align:center;background:linear-gradient(135deg,#07182a,#0a3764);
  border-top:1px solid #1a4e80;
}
.contact p{max-width:720px;margin:0 auto 24px;color:#c4d7e9}
footer{
  padding:26px 0;background:#040b13;color:#7f93a8;
  border-top:1px solid #122234;font-size:.88rem;
}
.footer-row{display:flex;gap:6px 10px;flex-wrap:wrap}
footer a{text-decoration:underline;text-decoration-color:#3a5470;text-underline-offset:3px}
footer a:hover{color:white;text-decoration-color:currentColor}

.prose{max-width:720px;margin:0 auto}
.prose h1{font-size:clamp(2.2rem,5vw,3.4rem)}
.prose h2{font-size:1.45rem;margin:42px 0 12px}
.prose p,.prose li{color:#c4d7e9}
.prose ul{margin:0 0 18px;padding-left:22px}
.prose li{margin-bottom:7px}
.prose a{color:var(--blue-2);text-decoration:underline;text-underline-offset:3px}
.prose a:hover{color:white}
.prose .updated{margin-top:42px;color:var(--muted);font-size:.9rem}

@media(max-width:900px){
  .brand img{width:220px}
  .navlinks{display:none}
  .questions,.two-col,.discovery,.about,.engineering{grid-template-columns:1fr}
  .question-grid,.source-list{grid-template-columns:1fr}
  .flow{grid-template-columns:1fr}
  .hierarchy{grid-template-columns:1fr}
  .test-facts{grid-template-columns:1fr}
  .level:not(:last-child)::after{
    content:"↓";right:auto;left:50%;top:auto;bottom:-24px;transform:translateX(-50%)
  }
  .techbadge{white-space:normal}
  section{padding:66px 0}
  .hero{--overlap:6vw}
  .hero-content{grid-template-columns:1fr}
  .hero-content .caption{grid-column:1;grid-row:auto;margin-top:32px}
}
@media(max-width:420px){
  .brand img{width:170px}
  nav{gap:12px}
}