styles.css

:root{
  --bg:#08090c;
  --bg-2:#0b0d13;
  --ink:#eef1f8;
  --ink-dim:#a7aec1;
  --ink-faint:#8892a8;
  --violet:#7c5cff;
  --cyan:#35e0e6;
  --glass:rgba(255,255,255,.035);
  --glass-2:rgba(255,255,255,.055);
  --line:rgba(255,255,255,.09);
  --line-2:rgba(255,255,255,.14);
  --max:1240px;
  --ease:cubic-bezier(.22,1,.36,1);
  --grad:linear-gradient(120deg,var(--violet),var(--cyan));
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{
  background:var(--bg);
  color:var(--ink);
  font-family:"Inter",system-ui,-apple-system,sans-serif;
  font-weight:400;
  line-height:1.55;
  letter-spacing:-.005em;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
a{color:inherit;text-decoration:none}
em{font-style:normal;color:transparent;background:var(--grad);-webkit-background-clip:text;background-clip:text}
::selection{background:rgba(124,92,255,.35);color:#fff}
.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);border:0}

/* ---------- signature aurora background ---------- */
.aurora{position:fixed;inset:0;width:100%;height:100%;z-index:0;display:block;
  background:radial-gradient(80% 60% at 25% 20%,rgba(124,92,255,.22),transparent 60%),
             radial-gradient(70% 60% at 80% 30%,rgba(53,224,230,.16),transparent 60%),var(--bg)}
.veil{position:fixed;inset:0;z-index:1;pointer-events:none;
  background:radial-gradient(130% 100% at 50% 0%,transparent 42%,rgba(8,9,12,.6) 100%),
             linear-gradient(180deg,rgba(8,9,12,.55),transparent 22%,transparent 78%,rgba(8,9,12,.7)),
             linear-gradient(rgba(8,9,12,.34),rgba(8,9,12,.34))} /* flat scrim keeps body copy legible over the glow */
.grain{position:fixed;inset:-50%;z-index:2;pointer-events:none;opacity:.035;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  animation:grain 8s steps(6) infinite}
@keyframes grain{0%,100%{transform:translate(0,0)}20%{transform:translate(-3%,2%)}
  40%{transform:translate(2%,-2%)}60%{transform:translate(-2%,3%)}80%{transform:translate(3%,1%)}}

main,.nav,.footer{position:relative;z-index:3}

/* ---------- nav ---------- */
.nav{position:fixed;top:0;left:0;right:0;z-index:60;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:20px clamp(18px,5vw,56px);
  transition:padding .5s var(--ease),background .5s var(--ease),border-color .5s var(--ease);
  border-bottom:1px solid transparent}
.nav.scrolled{padding-top:13px;padding-bottom:13px;background:rgba(8,9,12,.62);
  backdrop-filter:blur(16px) saturate(140%);-webkit-backdrop-filter:blur(16px) saturate(140%);
  border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:10px;font-weight:600;font-size:1.06rem;letter-spacing:.14em}
.brand-mark{width:16px;height:16px;border-radius:5px;background:var(--grad);
  box-shadow:0 0 18px rgba(124,92,255,.6);position:relative;flex:none}
.brand-mark::after{content:"";position:absolute;inset:4px;border-radius:2px;background:var(--bg)}
.nav-links{display:flex;gap:clamp(18px,2.4vw,34px);font-size:.9rem;color:var(--ink-dim)}
.nav-links a{position:relative;transition:color .3s}
.nav-links a:hover{color:var(--ink)}
.nav-links a::after{content:"";position:absolute;left:0;bottom:-4px;height:1px;width:100%;
  background:var(--grad);transform:scaleX(0);transform-origin:right;transition:transform .4s var(--ease)}
.nav-links a:hover::after{transform:scaleX(1);transform-origin:left}
.nav-cta{position:relative;font-size:.9rem;font-weight:500;padding:9px 18px;border-radius:40px;
  border:1px solid var(--line-2);background:var(--glass-2);color:var(--ink);
  backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
  transition:border-color .3s,background .3s,box-shadow .3s,transform .2s var(--ease);will-change:transform}
.nav-cta:hover{border-color:transparent;box-shadow:0 0 0 1px rgba(124,92,255,.5),0 8px 30px rgba(124,92,255,.28);
  background:linear-gradient(120deg,rgba(124,92,255,.22),rgba(53,224,230,.16))}
@media(max-width:760px){
  /* keep brand + Guide + CTA at minimum; drop the section anchors */
  .nav-links{gap:16px}
  .nav-links a:nth-child(1),.nav-links a:nth-child(2),.nav-links a:nth-child(3){display:none}
  .nav{padding:16px 18px;gap:12px}
}
@media(max-width:400px){
  .nav-cta{padding:8px 14px;font-size:.84rem}
}

/* ---------- hero ---------- */
.hero{min-height:100svh;display:flex;align-items:center;position:relative;z-index:1;
  padding:clamp(120px,16vh,180px) clamp(18px,5vw,56px) clamp(60px,9vh,110px)}
.hero::before{content:"";position:absolute;inset:0;z-index:-1;pointer-events:none; /* legibility over the aurora */
  background:linear-gradient(102deg,rgba(8,9,12,.8) 0%,rgba(8,9,12,.46) 38%,rgba(8,9,12,.06) 62%,transparent 74%)}
.hero-inner{max-width:var(--max);margin:0 auto;width:100%;
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.02fr);gap:clamp(32px,5vw,72px);align-items:center}
@media(max-width:960px){.hero-inner{grid-template-columns:1fr;gap:44px}}
.eyebrow{display:inline-flex;align-items:center;gap:9px;font-family:"JetBrains Mono",monospace;
  font-size:.76rem;letter-spacing:.02em;color:var(--ink-dim);padding:6px 13px;border-radius:40px;
  border:1px solid var(--line);background:var(--glass);margin-bottom:1.7rem}
.eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--cyan);
  box-shadow:0 0 10px var(--cyan);animation:blink 2.4s ease-in-out infinite}
@keyframes blink{50%{opacity:.35}}
.hero-title{font-size:clamp(2.7rem,6.4vw,5.1rem);line-height:1.02;letter-spacing:-.03em;font-weight:600}
.hero-title .line{display:block;overflow:hidden;padding-bottom:.06em}
.hero-title .line>span{display:inline-block}
.hero-sub{max-width:44ch;margin:1.7rem 0 2.2rem;color:var(--ink-dim);font-size:clamp(1.02rem,1.5vw,1.2rem);line-height:1.6}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.btn{position:relative;display:inline-flex;align-items:center;gap:9px;font-size:.95rem;font-weight:500;
  padding:13px 22px;border-radius:12px;transition:transform .2s var(--ease),box-shadow .35s,border-color .3s,background .3s;
  will-change:transform}
.btn-primary{color:#0a0b10;background:var(--grad);font-weight:600;
  box-shadow:0 8px 30px rgba(124,92,255,.32),inset 0 1px 0 rgba(255,255,255,.35)}
.btn-primary:hover{box-shadow:0 12px 44px rgba(124,92,255,.46),inset 0 1px 0 rgba(255,255,255,.45)}
.btn-ghost{color:var(--ink);border:1px solid var(--line-2);background:var(--glass)}
.btn-ghost i{transition:transform .3s var(--ease)}
.btn-ghost:hover{border-color:var(--line-2);background:var(--glass-2)}
.btn-ghost:hover i{transform:translateX(4px)}
.hero-note{margin-top:1.5rem;font-family:"JetBrains Mono",monospace;font-size:.76rem;color:var(--ink-faint);letter-spacing:.01em}

/* hero mockup */
.mockup{position:relative}
.mockup-glow{position:absolute;inset:-14% -8% -20%;z-index:-1;
  background:radial-gradient(60% 60% at 40% 30%,rgba(124,92,255,.42),transparent 62%),
             radial-gradient(55% 55% at 78% 70%,rgba(53,224,230,.32),transparent 64%);
  filter:blur(34px);opacity:.9}
.panel{border-radius:18px;border:1px solid var(--line-2);overflow:hidden;
  background:linear-gradient(180deg,rgba(20,22,30,.72),rgba(11,13,19,.66));
  backdrop-filter:blur(20px) saturate(150%);-webkit-backdrop-filter:blur(20px) saturate(150%);
  box-shadow:0 40px 90px -30px rgba(0,0,0,.8),inset 0 1px 0 rgba(255,255,255,.08)}
.float{animation:float 7s ease-in-out infinite}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}
.panel-bar{display:flex;align-items:center;gap:12px;padding:12px 14px;border-bottom:1px solid var(--line)}
.dots{display:flex;gap:6px;flex:none}
.dots i{width:9px;height:9px;border-radius:50%;background:rgba(255,255,255,.14)}
.cmd{flex:1;display:flex;align-items:center;gap:9px;padding:8px 12px;border-radius:9px;
  background:rgba(255,255,255,.05);border:1px solid var(--line);font-size:.82rem;color:var(--ink-dim);min-width:0}
.cmd-icon{width:15px;height:15px;color:var(--ink-faint);flex:none}
.typed{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:var(--ink)}
.caret{width:2px;height:15px;background:var(--cyan);flex:none;box-shadow:0 0 8px var(--cyan);animation:caret 1.1s steps(1) infinite}
@keyframes caret{50%{opacity:0}}
.kbd{font-family:"JetBrains Mono",monospace;font-size:.72rem;color:var(--ink-faint);
  padding:3px 7px;border-radius:6px;border:1px solid var(--line);flex:none}
.panel-body{display:grid;grid-template-columns:132px 1fr;gap:0}
@media(max-width:420px){.panel-body{grid-template-columns:104px 1fr}}
.side{padding:16px 14px;border-right:1px solid var(--line);display:flex;flex-direction:column;gap:12px}
.side-h{font-family:"JetBrains Mono",monospace;font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-faint)}
.sources{list-style:none;display:flex;flex-direction:column;gap:9px}
.sources li{display:flex;align-items:center;gap:8px;font-size:.8rem;color:var(--ink-dim)}
.src-dot{width:7px;height:7px;border-radius:2px;flex:none}
.src-dot.v{background:var(--violet);box-shadow:0 0 8px rgba(124,92,255,.7)}
.src-dot.c{background:var(--cyan);box-shadow:0 0 8px rgba(53,224,230,.7)}
.src-n{margin-left:auto;font-family:"JetBrains Mono",monospace;font-size:.68rem;color:var(--ink-faint)}
.graph-badge{margin-top:auto;padding-top:10px;border-top:1px solid var(--line)}
.nodes-svg{width:100%;height:auto;display:block}
.nodes-svg line{stroke:rgba(255,255,255,.16);stroke-width:1}
.nodes-svg circle{fill:var(--cyan)}
.nodes-svg .n1{fill:var(--violet)}
.nodes-svg circle{animation:nodepulse 3.4s ease-in-out infinite}
.nodes-svg .n2{animation-delay:.4s}.nodes-svg .n3{animation-delay:.8s}
.nodes-svg .n4{animation-delay:1.2s}.nodes-svg .n5{animation-delay:1.6s}
@keyframes nodepulse{0%,100%{opacity:.55}50%{opacity:1}}
.graph-cap{display:block;margin-top:6px;font-family:"JetBrains Mono",monospace;font-size:.66rem;color:var(--ink-faint)}
.main-col{padding:16px;display:flex;flex-direction:column;gap:14px}
.answer{border-radius:12px;border:1px solid var(--line);background:rgba(255,255,255,.03);padding:14px}
.answer-h{display:flex;align-items:center;gap:8px;font-size:.74rem;color:var(--ink-faint);margin-bottom:12px}
.pulse{width:7px;height:7px;border-radius:50%;background:var(--violet);box-shadow:0 0 10px var(--violet);animation:blink 1.8s ease-in-out infinite}
.ln{display:block;height:9px;border-radius:5px;margin-bottom:9px;
  background:linear-gradient(90deg,rgba(255,255,255,.14),rgba(255,255,255,.05) 40%,rgba(255,255,255,.14));
  background-size:220% 100%;animation:shimmer 2.6s linear infinite}
.ln.w1{width:92%}.ln.w2{width:99%}.ln.w3{width:74%;margin-bottom:0}
@keyframes shimmer{to{background-position:-220% 0}}
.cites{display:flex;flex-wrap:wrap;gap:7px;margin-top:13px}
.cite{font-family:"JetBrains Mono",monospace;font-size:.66rem;color:var(--cyan);
  padding:3px 8px;border-radius:20px;border:1px solid rgba(53,224,230,.28);background:rgba(53,224,230,.06)}
.spark{border-radius:12px;border:1px solid var(--line);background:rgba(255,255,255,.03);padding:12px 14px}
.spark-h{display:flex;justify-content:space-between;font-size:.74rem;color:var(--ink-dim);margin-bottom:8px}
.spark-val{font-family:"JetBrains Mono",monospace;color:var(--cyan)}
.spark-svg{width:100%;height:52px;display:block}
.spark-line{stroke:url(#sg);stroke:var(--violet);stroke-width:2;
  stroke-dasharray:600;stroke-dashoffset:600;animation:draw 2.6s var(--ease) .3s forwards}
@keyframes draw{to{stroke-dashoffset:0}}

/* ---------- trusted ---------- */
.trusted{max-width:var(--max);margin:0 auto;padding:clamp(30px,6vh,70px) clamp(18px,5vw,56px);text-align:center}
.trusted-h{font-family:"JetBrains Mono",monospace;font-size:.76rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--ink-faint);margin-bottom:1.8rem}
.wordmarks{display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:clamp(22px,4vw,54px)}
.wm{font-weight:600;font-size:clamp(1rem,2vw,1.35rem);letter-spacing:-.01em;color:var(--ink-faint);
  opacity:.7;transition:opacity .4s,color .4s}
.wm:hover{opacity:1;color:var(--ink-dim)}

/* ---------- sections ---------- */
section{padding:clamp(80px,12vh,150px) clamp(18px,5vw,56px)}
.section-head{max-width:var(--max);margin:0 auto 3.4rem}
.kicker{font-family:"JetBrains Mono",monospace;font-size:.78rem;letter-spacing:.06em;
  color:var(--cyan);margin-bottom:1.1rem}
h2{font-size:clamp(2rem,4.6vw,3.5rem);line-height:1.05;letter-spacing:-.03em;font-weight:600}
.section-sub{max-width:52ch;margin-top:1.3rem;color:var(--ink-dim);font-size:clamp(1rem,1.4vw,1.12rem)}

/* ---------- bento ---------- */
.bento{max-width:var(--max);margin:0 auto;display:grid;grid-template-columns:repeat(3,1fr);
  grid-auto-rows:1fr;gap:16px}
@media(max-width:860px){.bento{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.bento{grid-template-columns:1fr}}
.cell{position:relative;display:flex;flex-direction:column;gap:16px;min-height:230px;
  padding:22px;border-radius:16px;border:1px solid var(--line);overflow:hidden;isolation:isolate;
  background:linear-gradient(180deg,var(--glass-2),var(--glass));
  backdrop-filter:blur(14px) saturate(130%);-webkit-backdrop-filter:blur(14px) saturate(130%);
  transition:transform .5s var(--ease),border-color .5s var(--ease),box-shadow .5s var(--ease)}
.cell::before{content:"";position:absolute;inset:0;z-index:-1;opacity:0;transition:opacity .5s var(--ease);
  background:radial-gradient(90% 80% at 20% 0%,rgba(124,92,255,.16),transparent 60%),
             radial-gradient(80% 80% at 100% 100%,rgba(53,224,230,.12),transparent 60%)}
.cell:hover,.cell:focus-visible{transform:translateY(-5px);border-color:var(--line-2);outline:none;
  box-shadow:0 24px 60px -30px rgba(0,0,0,.8)}
.cell:hover::before,.cell:focus-visible::before{opacity:1}
.cell-lg{grid-column:span 2;grid-row:span 2}
@media(max-width:560px){.cell-lg{grid-column:span 1;grid-row:span 1}}
.cell-copy h3{font-size:1.22rem;font-weight:600;letter-spacing:-.02em;margin-bottom:.5rem}
.cell-lg .cell-copy h3{font-size:1.5rem}
.cell-copy p{color:var(--ink-dim);font-size:.92rem;line-height:1.55;max-width:42ch}
.cell-viz{flex:1;min-height:96px;display:flex;align-items:center;justify-content:center;position:relative;
  border-radius:12px;border:1px solid var(--line);background:rgba(6,7,10,.35);overflow:hidden}
.cell-copy{flex:none}

/* viz: recall (big) */
.viz-recall{flex-direction:column;align-items:stretch;justify-content:center;gap:12px;padding:20px}
.q-bar{display:flex;align-items:center;gap:9px;font-family:"JetBrains Mono",monospace;font-size:.74rem;
  color:var(--ink-dim);padding:9px 12px;border-radius:9px;background:rgba(255,255,255,.05);border:1px solid var(--line)}
.q-i{width:9px;height:9px;border-radius:50%;background:var(--grad);flex:none;box-shadow:0 0 10px rgba(124,92,255,.6)}
.results{display:flex;flex-direction:column;gap:9px}
.res{display:flex;align-items:center;gap:12px}
.res-t{flex:1;font-size:.84rem;color:var(--ink);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.rel{width:34%;max-width:120px;height:6px;border-radius:6px;background:rgba(255,255,255,.08);overflow:hidden;flex:none}
.rel i{display:block;height:100%;width:0;border-radius:6px;background:var(--grad);
  animation:relfill 1.6s var(--ease) forwards}
@keyframes relfill{to{width:var(--w)}}

/* viz: graph */
.viz-graph svg{width:70%;height:auto}
.viz-graph .edges line{stroke:rgba(255,255,255,.16);stroke-width:1.2}
.viz-graph .g-core{fill:var(--violet);filter:drop-shadow(0 0 8px rgba(124,92,255,.8));
  transform-box:fill-box;transform-origin:center;animation:corepulse 3s ease-in-out infinite}
.viz-graph .g-n{fill:var(--cyan);animation:nodepulse 3s ease-in-out infinite}
.viz-graph .g-n:nth-of-type(2){animation-delay:.4s}
.viz-graph .g-n:nth-of-type(3){animation-delay:.8s}
.viz-graph .g-n:nth-of-type(4){animation-delay:1.2s}
@keyframes corepulse{0%,100%{transform:scale(1)}50%{transform:scale(1.14)}}

/* viz: latency */
.viz-latency{flex-direction:column;gap:10px}
.lat-num{display:flex;align-items:flex-end;gap:2px;font-weight:600;letter-spacing:-.02em}
.lat-lt{font-size:1.4rem;color:var(--ink-dim)}
.lat-v{font-size:2.4rem;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.lat-u{font-size:1rem;color:var(--ink-dim);margin-bottom:.3rem}
.lat-bars{display:flex;gap:4px;align-items:flex-end;height:26px}
.lat-bars i{width:5px;border-radius:3px;background:var(--grad);opacity:.85;
  animation:latbar 1.4s ease-in-out infinite}
.lat-bars i:nth-child(1){height:40%;animation-delay:0s}.lat-bars i:nth-child(2){height:70%;animation-delay:.1s}
.lat-bars i:nth-child(3){height:50%;animation-delay:.2s}.lat-bars i:nth-child(4){height:90%;animation-delay:.3s}
.lat-bars i:nth-child(5){height:60%;animation-delay:.4s}.lat-bars i:nth-child(6){height:100%;animation-delay:.5s}
.lat-bars i:nth-child(7){height:45%;animation-delay:.6s}.lat-bars i:nth-child(8){height:80%;animation-delay:.7s}
.lat-bars i:nth-child(9){height:55%;animation-delay:.8s}.lat-bars i:nth-child(10){height:72%;animation-delay:.9s}
@keyframes latbar{0%,100%{transform:scaleY(.7);opacity:.55}50%{transform:scaleY(1);opacity:1}}
.lat-bars i{transform-origin:bottom}
.lat-cap{font-family:"JetBrains Mono",monospace;font-size:.7rem;color:var(--ink-faint)}

/* viz: models */
.viz-models{position:relative}
.hub{width:58px;height:58px;border-radius:14px;background:var(--grad);display:flex;align-items:center;justify-content:center;
  font-size:.6rem;font-weight:700;letter-spacing:.06em;color:#0a0b10;
  box-shadow:0 0 26px rgba(124,92,255,.6);position:relative;z-index:2}
.chip{position:absolute;font-family:"JetBrains Mono",monospace;font-size:.68rem;color:var(--ink-dim);
  padding:4px 9px;border-radius:20px;border:1px solid var(--line);background:rgba(6,7,10,.7);
  animation:chipfloat 5s ease-in-out infinite}
.chip.c1{top:14%;left:12%}.chip.c2{top:16%;right:12%;animation-delay:.6s}
.chip.c3{bottom:16%;left:14%;animation-delay:1.2s}.chip.c4{bottom:14%;right:14%;animation-delay:1.8s}
@keyframes chipfloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-5px)}}

/* viz: lock */
.viz-lock{position:relative}
.lock{width:64px;height:64px;stroke:var(--cyan);fill:none;stroke-width:2.4;stroke-linecap:round;stroke-linejoin:round;
  filter:drop-shadow(0 0 10px rgba(53,224,230,.5))}
.lock circle{fill:var(--cyan);stroke:none}
.viz-lock .shimmer{position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(115deg,transparent 40%,rgba(255,255,255,.14) 50%,transparent 60%);
  transform:translateX(-100%);animation:sweep 3.4s ease-in-out infinite}
@keyframes sweep{0%{transform:translateX(-100%)}55%,100%{transform:translateX(100%)}}

/* viz: sync */
.viz-sync{gap:14px}
.sync-ring{width:64px;height:64px;flex:none}
.sync-ring circle{fill:none;stroke:rgba(255,255,255,.12);stroke-width:3}
.sync-arc{stroke:var(--cyan);stroke-width:3;stroke-linecap:round;filter:drop-shadow(0 0 6px rgba(53,224,230,.6))}
.sync-ring{animation:spin 3.6s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.sync-src{display:flex;flex-direction:column;gap:5px;font-family:"JetBrains Mono",monospace;font-size:.72rem;color:var(--ink-dim)}

/* ---------- how it works ---------- */
.how-grid{max-width:var(--max);margin:0 auto;display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,5vw,72px);
  align-items:start}
@media(max-width:860px){.how-grid{grid-template-columns:1fr;gap:36px}}
.how-visual{position:sticky;top:16vh}
@media(max-width:860px){.how-visual{position:relative;top:0}}
.hv-inner{position:relative;border-radius:18px;border:1px solid var(--line-2);min-height:340px;padding:26px;
  background:linear-gradient(180deg,rgba(20,22,30,.7),rgba(11,13,19,.62));
  backdrop-filter:blur(20px) saturate(150%);-webkit-backdrop-filter:blur(20px) saturate(150%);
  box-shadow:0 40px 90px -34px rgba(0,0,0,.8),inset 0 1px 0 rgba(255,255,255,.07);overflow:hidden}
.hv-glow{position:absolute;inset:0;z-index:0;opacity:.6;
  background:radial-gradient(60% 60% at 30% 20%,rgba(124,92,255,.28),transparent 60%),
             radial-gradient(55% 55% at 80% 90%,rgba(53,224,230,.22),transparent 62%)}
.hv-stage{position:absolute;inset:26px;z-index:1;pointer-events:none;
  display:flex;flex-direction:column;gap:14px}
/* no-JS fallback: show only the first stage, drop the stacked others */
html:not(.js) .hv-stage:not([data-stage="1"]){display:none}
/* JS mode: stages cross-fade as steps activate */
.js .hv-stage{opacity:0;transform:translateY(14px) scale(.99);
  transition:opacity .55s var(--ease),transform .55s var(--ease)}
.js .hv-stage.active{opacity:1;transform:none}
.hv-tag{font-family:"JetBrains Mono",monospace;font-size:.76rem;letter-spacing:.06em;color:var(--cyan)}
.hv-rows{display:flex;flex-direction:column;gap:10px;margin-top:6px}
.hv-row{display:flex;align-items:center;gap:10px;font-size:.92rem;color:var(--ink);
  padding:11px 14px;border-radius:10px;border:1px solid var(--line);background:rgba(255,255,255,.04)}
.hv-row b{font-weight:500}
.hv-ok,.hv-sync{width:9px;height:9px;border-radius:50%;margin-left:auto;flex:none}
.hv-ok{background:var(--cyan);box-shadow:0 0 9px var(--cyan)}
.hv-sync{background:var(--violet);box-shadow:0 0 9px var(--violet);animation:blink 1.4s ease-in-out infinite}
.hv-query{padding:12px 14px;border-radius:10px;border:1px solid var(--line);background:rgba(255,255,255,.05);
  font-size:1rem;color:var(--ink)}
.hv-q{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;font-weight:500}
.hv-hits{display:flex;flex-direction:column;gap:10px;margin-top:4px}
.hv-hit{height:12px;border-radius:7px;background:rgba(255,255,255,.07);overflow:hidden}
.hv-hit i{display:block;height:100%;width:var(--w);border-radius:7px;background:var(--grad)}
.hv-answer{padding:16px;border-radius:12px;border:1px solid var(--line);background:rgba(255,255,255,.03)}
.how .cites{margin-top:14px}
.steps{list-style:none;display:flex;flex-direction:column;gap:14px}
.step{position:relative;padding:26px 26px 26px 30px;border-radius:16px;border:1px solid var(--line);
  background:linear-gradient(180deg,var(--glass),transparent);
  transition:border-color .5s var(--ease),background .5s var(--ease),opacity .5s var(--ease)}
.step::before{content:"";position:absolute;left:0;top:22px;bottom:22px;width:2px;border-radius:2px;
  background:var(--grad);transform:scaleY(0);transform-origin:top;transition:transform .5s var(--ease)}
.js .steps .step{opacity:.5}
.js .steps .step.active{opacity:1}
.step.active{border-color:var(--line-2);background:linear-gradient(180deg,var(--glass-2),transparent)}
.step.active::before{transform:scaleY(1)}
.step-no{font-family:"JetBrains Mono",monospace;font-size:.8rem;color:var(--cyan)}
.step h3{font-size:1.35rem;font-weight:600;letter-spacing:-.02em;margin:.5rem 0 .6rem}
.step p{color:var(--ink-dim);font-size:.98rem;max-width:46ch}

/* ---------- stats ---------- */
.stats{padding-top:clamp(50px,8vh,90px);padding-bottom:clamp(50px,8vh,90px)}
.stats-inner{max-width:var(--max);margin:0 auto;display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  padding:clamp(30px,5vw,48px);border-radius:20px;border:1px solid var(--line);
  background:linear-gradient(180deg,var(--glass-2),var(--glass));
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px)}
@media(max-width:760px){.stats-inner{grid-template-columns:repeat(2,1fr);gap:28px}}
.stat{display:flex;flex-direction:column;gap:8px}
.stat-num{font-size:clamp(2.2rem,4.6vw,3.4rem);font-weight:700;letter-spacing:-.03em;line-height:1;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat-label{font-size:.9rem;color:var(--ink-dim)}

/* ---------- cta ---------- */
.cta{padding-bottom:clamp(90px,13vh,160px)}
.cta-panel{position:relative;max-width:900px;margin:0 auto;text-align:center;overflow:hidden;
  padding:clamp(48px,7vw,84px) clamp(24px,5vw,64px);border-radius:24px;border:1px solid var(--line-2);
  background:linear-gradient(180deg,rgba(20,22,30,.6),rgba(11,13,19,.5));
  backdrop-filter:blur(20px) saturate(150%);-webkit-backdrop-filter:blur(20px) saturate(150%);
  box-shadow:0 50px 120px -40px rgba(0,0,0,.85),inset 0 1px 0 rgba(255,255,255,.08)}
.cta-glow{position:absolute;inset:-30% -10%;z-index:-1;pointer-events:none;
  background:radial-gradient(50% 55% at 30% 10%,rgba(124,92,255,.4),transparent 60%),
             radial-gradient(50% 55% at 78% 100%,rgba(53,224,230,.32),transparent 62%);filter:blur(30px)}
.cta-panel .kicker{color:var(--cyan)}
.cta-panel h2{margin:0 auto .3rem}
.cta-sub{max-width:44ch;margin:1.3rem auto 2rem;color:var(--ink-dim);font-size:clamp(1rem,1.4vw,1.14rem)}
.cta-form{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;max-width:480px;margin:0 auto}
.cta-form input{flex:1;min-width:220px;font-family:inherit;font-size:.98rem;color:var(--ink);
  padding:13px 16px;border-radius:12px;border:1px solid var(--line-2);background:rgba(6,7,10,.5);outline:none;
  transition:border-color .3s,box-shadow .3s}
.cta-form input::placeholder{color:var(--ink-faint)}
.cta-form input:focus{border-color:transparent;box-shadow:0 0 0 1px rgba(124,92,255,.55),0 0 24px rgba(124,92,255,.2)}
.cta-note{margin-top:1.4rem;font-size:.86rem;color:var(--ink-faint)}
.cta-note a{color:var(--ink-dim);border-bottom:1px solid var(--line-2)}
.cta-note a:hover{color:var(--ink)}

/* ---------- footer ---------- */
.footer{border-top:1px solid var(--line);padding:clamp(50px,8vh,84px) clamp(18px,5vw,56px) 40px;
  background:rgba(8,9,12,.5);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}
.footer-top{max-width:var(--max);margin:0 auto;display:grid;grid-template-columns:1.4fr 2fr;gap:44px;
  padding-bottom:44px;border-bottom:1px solid var(--line)}
@media(max-width:760px){.footer-top{grid-template-columns:1fr;gap:36px}}
.foot-brand p{margin-top:1rem;color:var(--ink-faint);font-size:.92rem;max-width:32ch}
.foot-cols{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
@media(max-width:480px){.foot-cols{grid-template-columns:repeat(2,1fr);gap:28px}}
.foot-h{font-family:"JetBrains Mono",monospace;font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;
  color:var(--ink-faint);margin-bottom:1rem}
.foot-col a{display:block;font-size:.92rem;color:var(--ink-dim);padding:5px 0;transition:color .3s}
.foot-col a:hover{color:var(--ink)}
.footer-bottom{max-width:var(--max);margin:28px auto 0;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;
  font-family:"JetBrains Mono",monospace;font-size:.74rem;color:var(--ink-faint)}
.footer-bottom a{color:var(--ink-dim);border-bottom:1px solid var(--line)}
.footer-bottom a:hover{color:var(--ink)}

/* ---------- reveals (JS-gated) ---------- */
.js .reveal{opacity:0;transform:translateY(28px)}
.js .reveal.is-in{opacity:1;transform:none;transition:opacity .9s var(--ease),transform .9s var(--ease)}

/* hero intro — CSS/compositor driven */
.js .hero-title .line>span{transform:translateY(112%);transition:transform 1.1s var(--ease)}
.js .hero .reveal{transform:translateY(20px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.hero.loaded .hero-title .line>span{transform:translateY(0)}
.hero.loaded .reveal{opacity:1;transform:none}
.hero .eyebrow{transition-delay:.05s}
.hero .line:nth-of-type(1)>span{transition-delay:.16s}
.hero .line:nth-of-type(2)>span{transition-delay:.27s}
.hero .hero-sub{transition-delay:.42s}
.hero .hero-cta{transition-delay:.54s}
.hero .hero-note{transition-delay:.64s}
.hero .mockup{transition-delay:.34s}
.js .hero .mockup{transform:translateY(24px) scale(.98)}
.hero.loaded .mockup{transform:none;transition:opacity 1.1s var(--ease),transform 1.1s var(--ease)}

/* focus */
a:focus-visible,button:focus-visible,input:focus-visible,.cell:focus-visible{
  outline:2px solid var(--cyan);outline-offset:3px;border-radius:8px}

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion:reduce){
  .reveal,.js .reveal,.js .hero-title .line>span,.js .hero .mockup,
  .js .steps .step{opacity:1!important;transform:none!important}
  .js .hv-stage[data-stage="1"]{opacity:1!important;transform:none!important} /* show only first stage */
  .js .hv-stage:not([data-stage="1"]){opacity:0!important}
  .grain,.float,.caret,.dot,.eyebrow .dot,.pulse,.spark-line,.rel i,.lat-bars i,
  .sync-ring,.viz-graph .g-core,.viz-graph .g-n,.nodes-svg circle,.chip,.hv-sync,
  .ln,.viz-lock .shimmer{animation:none!important}
  .spark-line{stroke-dashoffset:0!important}
  .rel i{width:var(--w)!important}
}