:root{
  --bg:#07101d;
  --bg2:#0b1728;
  --panel:#0e1d31;
  --panel2:#11243c;
  --line:#1c3554;
  --blue:#2f9cff;
  --cyan:#69c7ff;
  --text:#f4f8ff;
  --muted:#a9b8cc;
  --max:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Inter,Arial,Helvetica,sans-serif;
  background:linear-gradient(180deg,#050c16 0%,#081321 50%,#060d18 100%);
  color:var(--text);
  line-height:1.6;
}
a{color:inherit;text-decoration:none}
img,video{max-width:100%;display:block}
.container{width:min(var(--max),calc(100% - 36px));margin:auto}
header{
  position:sticky;top:0;z-index:30;
  background:rgba(5,12,22,.93);
  backdrop-filter:blur(12px);
  border-bottom:1px solid rgba(105,199,255,.14);
}
.nav{height:78px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:900;letter-spacing:.12em;font-size:1.12rem}
.brand img{width:42px;height:42px;object-fit:contain}
.brand span{color:#eaf5ff}
nav{display:flex;gap:26px;align-items:center}
nav a{color:#dce8f7;font-size:.95rem}
nav a:hover,nav a.active{color:var(--cyan)}
.nav-cta,.btn{
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:10px;padding:13px 18px;font-weight:700;
  background:linear-gradient(135deg,var(--blue),#1769d3);
  box-shadow:0 8px 30px rgba(47,156,255,.22);
}
.btn.secondary{background:transparent;border:1px solid var(--line);box-shadow:none}
.menu{display:none;border:0;background:none;color:#fff;font-size:1.6rem}
.hero{
  padding:96px 0 72px;
  position:relative;overflow:hidden;
}
.hero:before{
  content:"";position:absolute;inset:-20% -20% auto auto;width:620px;height:620px;
  background:radial-gradient(circle,rgba(47,156,255,.18),transparent 65%);
  pointer-events:none;
}
.home-hero{
  min-height:650px;display:flex;align-items:center;
  background:
    linear-gradient(90deg,rgba(4,10,18,.98) 0%,rgba(4,10,18,.9) 47%,rgba(4,10,18,.35) 78%,rgba(4,10,18,.62) 100%),
    url("assets/aibcs-hero-logo.png") center/cover no-repeat
}
.hero-content{position:relative;z-index:1}
.eyebrow{color:var(--cyan);text-transform:uppercase;letter-spacing:.18em;font-size:.8rem;font-weight:800}
h1{font-size:clamp(2.55rem,6vw,5rem);line-height:1.02;margin:.2em 0 .3em;max-width:900px}
h2{font-size:clamp(2rem,4vw,3.25rem);line-height:1.1;margin:0 0 18px}
h3{margin:.2em 0 .45em;font-size:1.2rem}
.lead{font-size:1.15rem;color:var(--muted);max-width:760px}
.actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px}
.section{padding:76px 0}
.section.alt{background:rgba(14,29,49,.35);border-block:1px solid rgba(105,199,255,.08)}
.section-head{max-width:780px;margin-bottom:32px}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{
  border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(17,36,60,.94),rgba(9,22,38,.92));
  border-radius:16px;padding:26px;
  min-height:100%;
}
.card p{color:var(--muted);margin-bottom:0}
.num{font-size:.82rem;color:var(--cyan);font-weight:800;letter-spacing:.14em}
.icon{
  width:44px;height:44px;border-radius:12px;margin-bottom:18px;
  display:grid;place-items:center;
  background:rgba(47,156,255,.12);border:1px solid rgba(105,199,255,.2);
  color:var(--cyan);font-weight:900;
}
.feature{
  display:grid;grid-template-columns:1.15fr .85fr;gap:34px;align-items:center
}
.intro-section{padding-top:64px;padding-bottom:64px}
.intro-feature{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(280px,390px);gap:54px;align-items:center
}
.intro-video-shell{
  width:100%;max-width:390px;justify-self:end;padding:10px;
  border:1px solid var(--line);border-radius:24px;background:#040a12;
  box-shadow:0 24px 70px rgba(0,0,0,.45)
}
.intro-video-shell video{width:100%;aspect-ratio:9/16;object-fit:cover;border-radius:16px;background:#000}
.founder-message{
  max-width:940px;margin:auto;padding:clamp(30px,5vw,58px);
  border:1px solid var(--line);border-radius:22px;
  background:linear-gradient(145deg,rgba(17,36,60,.96),rgba(8,20,35,.96));
  box-shadow:0 24px 70px rgba(0,0,0,.28)
}
.founder-message h2{max-width:760px;margin-top:10px}
.founder-copy{color:#dce7f5;font-size:1.05rem}
.founder-copy p{margin:0 0 18px}
.founder-signoff{display:flex;flex-direction:column;align-items:flex-start;margin-top:30px}
.founder-signature{
  width:min(360px,75vw);height:auto;margin:0 0 8px;
  filter:invert(1) brightness(1.9);opacity:.9
}
.founder-signoff strong{font-size:1.08rem}
.founder-signoff span{color:var(--muted)}
.visual{
  min-height:340px;border-radius:20px;border:1px solid var(--line);
  background:
    radial-gradient(circle at 70% 30%,rgba(47,156,255,.25),transparent 30%),
    linear-gradient(135deg,#0a1626,#0f2540);
  position:relative;overflow:hidden;padding:34px;
}
.visual:before,.visual:after{
  content:"";position:absolute;border:1px solid rgba(105,199,255,.22);border-radius:50%
}
.visual:before{width:260px;height:260px;right:-60px;top:-55px}
.visual:after{width:420px;height:420px;right:-170px;top:-130px}
.visual .big{font-size:3rem;font-weight:900;line-height:1;max-width:420px;position:relative;z-index:1}
.visual .small{color:var(--cyan);font-weight:800;position:relative;z-index:1;margin-top:14px}
.brand-image-frame{
  padding:8px;border:1px solid var(--line);border-radius:22px;background:#050b13;
  box-shadow:0 22px 60px rgba(0,0,0,.38);overflow:hidden
}
.brand-image-frame img{width:100%;border-radius:15px}
.video-shell{
  border:1px solid var(--line);border-radius:18px;padding:16px;background:#040a12;
  box-shadow:0 20px 60px rgba(0,0,0,.35)
}
.video-placeholder{
  aspect-ratio:16/9;border-radius:12px;
  display:grid;place-items:center;text-align:center;padding:30px;
  background:
    radial-gradient(circle at center,rgba(47,156,255,.15),transparent 45%),
    linear-gradient(135deg,#08111e,#101f34);
  border:1px dashed rgba(105,199,255,.28);color:var(--muted)
}
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}
.step{padding:20px;border-top:2px solid var(--blue);background:rgba(15,32,53,.7);border-radius:0 0 12px 12px}
.step b{display:block;margin-bottom:6px}.step span{color:var(--muted);font-size:.93rem}
.article-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:18px}
.article{
  min-height:230px;padding:28px;border:1px solid var(--line);border-radius:16px;
  background:linear-gradient(145deg,#0d1d31,#091522)
}
.article p{color:var(--muted)}
.tag{display:inline-block;font-size:.72rem;font-weight:800;color:var(--cyan);letter-spacing:.12em;text-transform:uppercase}
.list{display:grid;gap:12px;margin-top:24px}
.list div{padding:14px 16px;border-left:2px solid var(--blue);background:rgba(14,29,49,.6)}
.cta{
  padding:54px;border:1px solid rgba(105,199,255,.22);border-radius:22px;
  background:linear-gradient(135deg,rgba(47,156,255,.14),rgba(17,36,60,.88))
}
.contact-grid{display:grid;grid-template-columns:minmax(0,.9fr) minmax(340px,1.1fr);gap:42px;align-items:center}
.contact-art-link{display:block;border-radius:18px;overflow:hidden;box-shadow:0 18px 50px rgba(0,0,0,.38)}
.contact-art-link img{width:100%;height:auto}
footer{padding:36px 0 52px;color:#8ea1b8;border-top:1px solid rgba(105,199,255,.1)}
.footer-row{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
.footer-brand{display:flex;align-items:center;gap:12px}
.footer-brand img{width:64px;height:64px;object-fit:contain}
@media(max-width:900px){
  nav{display:none;position:absolute;top:78px;left:0;right:0;padding:18px;background:#07101d;flex-direction:column;align-items:flex-start}
  nav.open{display:flex}.menu{display:block}.nav-cta{display:none}
  .grid,.article-grid{grid-template-columns:1fr 1fr}
  .feature,.intro-feature,.contact-grid{grid-template-columns:1fr}.steps{grid-template-columns:1fr 1fr}
  .intro-video-shell{justify-self:center}
}
@media(max-width:620px){
  .hero{padding-top:72px}.grid,.article-grid,.steps{grid-template-columns:1fr}
  .home-hero{min-height:590px;background-position:62% center}
  .section{padding:58px 0}.cta{padding:30px}.founder-message{padding:28px 22px}
  .contact-grid{gap:26px}.brand span{display:none}
}

/* AIBCS brand restructure — preserve the existing visual assets. */
:root{--muted:#bac7d9;--max:1280px}
nav{gap:18px}nav a{font-size:.875rem;white-space:nowrap}nav a[aria-current="page"]{color:var(--cyan)}
.nav{gap:20px;height:86px}.nav-cta{padding:11px 14px;color:white;background:linear-gradient(135deg,#166ecb,#155ab0)}
.btn{background:linear-gradient(135deg,#166ecb,#155ab0)}.btn.secondary{background:transparent}.accent{color:var(--cyan)}
.promise{font-size:clamp(1.2rem,2.1vw,1.6rem);line-height:1.5;color:#e2ecfa;font-weight:600}.micro{color:var(--muted);font-size:.9rem}
.home-hero{min-height:690px}.home-hero .lead{max-width:700px}.eyebrow{font-size:.875rem}.tag{font-size:.875rem}.story-grid .grid{grid-template-columns:repeat(4,1fr)}
.text-link{color:var(--cyan);text-decoration:underline;text-underline-offset:4px;font-weight:600}.release-note{margin-top:28px;padding:28px;border:1px solid #48617d;background:linear-gradient(130deg,#18283b,#0b1728);border-radius:14px}.release-note p{color:var(--muted)}
.breadcrumb{padding-top:24px;color:var(--muted)}.breadcrumb a{text-decoration:underline}.skip-link{position:fixed;top:-80px;left:20px;padding:12px;background:white;color:#07101d;z-index:100}.skip-link:focus{top:12px}
:focus-visible{outline:3px solid #8cd5ff;outline-offset:5px}section[id]{scroll-margin-top:110px}.menu{font-size:1rem;padding:12px;border:1px solid var(--line);border-radius:8px}
@media(min-width:901px) and (max-width:1160px){nav{display:none;position:absolute;top:86px;left:0;right:0;padding:24px;background:#07101d;flex-direction:column;align-items:stretch}nav.open{display:flex}.menu{display:block}.nav-cta{display:inline-flex}}
@media(max-width:1160px){nav{top:86px}nav a{font-size:1rem;padding:9px}.story-grid .grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:900px){nav{max-height:calc(100dvh - 86px);overflow:auto;align-items:stretch}.nav-cta{display:inline-flex}.brand span{display:inline}.contact-grid{min-width:0}}
@media(max-width:620px){.story-grid .grid{grid-template-columns:1fr}.home-hero{min-height:670px}.promise{font-size:1.25rem}.hero h1{overflow-wrap:break-word}.feature,.intro-feature{gap:24px}.intro-feature{grid-template-columns:minmax(0,1fr)}.contact-grid{grid-template-columns:minmax(0,1fr)}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
/* Navigation accommodates the Automation Catalog without changing page content. */
@media(min-width:1161px){nav{gap:13px}.nav{gap:16px}}
@media(min-width:1161px) and (max-width:1260px){nav{display:none;position:absolute;top:86px;left:0;right:0;padding:24px;background:#07101d;flex-direction:column;align-items:stretch;max-height:calc(100dvh - 86px);overflow:auto}nav.open{display:flex}.menu{display:block}.nav-cta{display:inline-flex}}