/* ============================================================
   VizionIQ — design tokens
   ============================================================ */
:root{
  --navy:#071426;
  --navy-deep:#0B1F3A;
  --navy-ink:#050F1D;
  --blue:#1976FF;
  --blue-el:#3B91FF;
  --cyan:#4DD8FF;
  --light:#F5F8FC;
  --ink:#10233F;
  --muted:#62738D;
  --white:#FFFFFF;

  --font:"Helvetica Neue",Helvetica,"Inter","Segoe UI",system-ui,-apple-system,Arial,sans-serif;
  --mono:ui-monospace,"SF Mono",SFMono-Regular,"Cascadia Mono","Roboto Mono",Menlo,Consolas,"Liberation Mono",monospace;

  --maxw:1220px;
  --gutter:clamp(1.15rem,4vw,2.5rem);
  --sec-y:clamp(4.25rem,7.5vw,7.5rem);
  --nav-h:66px;
  --r:12px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

/* Band palettes — components read these, so every component works on any band */
.band--dark{
  --bg:var(--navy); --fg:#DCE7F7; --fg-strong:#FFFFFF; --fg-mute:#8FA5C4;
  --rule:rgba(255,255,255,.11); --rule-soft:rgba(255,255,255,.06);
  --surf:rgba(255,255,255,.035); --surf-2:rgba(255,255,255,.07); --accent:var(--cyan);
}
.band--deep{
  --bg:var(--navy-deep); --fg:#DCE7F7; --fg-strong:#FFFFFF; --fg-mute:#93A9C8;
  --rule:rgba(255,255,255,.12); --rule-soft:rgba(255,255,255,.07);
  --surf:rgba(255,255,255,.04); --surf-2:rgba(255,255,255,.08); --accent:var(--cyan);
}
.band--light{
  --bg:var(--light); --fg:#2A3D5C; --fg-strong:var(--ink); --fg-mute:var(--muted);
  --rule:rgba(16,35,63,.13); --rule-soft:rgba(16,35,63,.07);
  --surf:#FFFFFF; --surf-2:#E9F0FA; --accent:var(--blue);
}
.band--white{
  --bg:#FFFFFF; --fg:#2A3D5C; --fg-strong:var(--ink); --fg-mute:var(--muted);
  --rule:rgba(16,35,63,.13); --rule-soft:rgba(16,35,63,.07);
  --surf:var(--light); --surf-2:#E9F0FA; --accent:var(--blue);
}

/* ============================================================
   Base
   ============================================================ */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--nav-h) + 18px);-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--navy);color:#DCE7F7;
  font-family:var(--font);font-size:16px;line-height:1.6;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img,svg{max-width:100%}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul{list-style:none;padding:0}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:4px}
.skip{position:absolute;left:-9999px;top:0;z-index:200;background:var(--blue);color:#fff;padding:.7rem 1.1rem;border-radius:0 0 8px 0}
.skip:focus{left:0}
.sr{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

/* ============================================================
   Layout primitives
   ============================================================ */
.band{position:relative;background:var(--bg);color:var(--fg);padding:var(--sec-y) 0;scroll-margin-top:var(--nav-h)}
.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 var(--gutter)}
.wrap--narrow{max-width:960px}

.eyebrow{
  font-family:var(--mono);font-size:.68rem;letter-spacing:.2em;text-transform:uppercase;
  color:var(--accent);display:flex;align-items:center;gap:.7rem;font-weight:500;
}
.eyebrow::after{content:"";flex:0 0 46px;height:1px;background:currentColor;opacity:.5}
.eyebrow--center{justify-content:center}
.eyebrow--center::before{content:"";flex:0 0 46px;height:1px;background:currentColor;opacity:.5}

.h2{
  font-size:clamp(1.75rem,3.3vw,2.85rem);line-height:1.08;letter-spacing:-.028em;
  font-weight:600;color:var(--fg-strong);margin-top:1.1rem;max-width:20ch;
}
.h2--wide{max-width:26ch}
.lead{margin-top:1.15rem;font-size:clamp(1rem,1.2vw,1.12rem);line-height:1.62;color:var(--fg-mute);max-width:62ch}
.head{margin-bottom:clamp(2.4rem,4.5vw,4rem)}
.head--center{text-align:center}
.head--center .h2,.head--center .lead{margin-left:auto;margin-right:auto}
.head--center .lead{text-align:center}

/* Closing statement — recurring typographic device */
.statement{
  margin-top:clamp(2.6rem,5vw,4rem);padding:clamp(1.6rem,3vw,2.4rem) 0;
  border-top:1px solid var(--rule);border-bottom:1px solid var(--rule);
  text-align:center;font-size:clamp(1.15rem,2.1vw,1.7rem);line-height:1.35;
  letter-spacing:-.02em;color:var(--fg-strong);font-weight:500;
}
.statement em{font-style:normal;color:var(--accent)}
.statement small{display:block;margin-top:.7rem;font-size:.9rem;font-weight:400;color:var(--fg-mute);letter-spacing:0}

.tag{
  display:inline-flex;align-items:center;gap:.5rem;font-family:var(--mono);
  font-size:.66rem;letter-spacing:.16em;text-transform:uppercase;color:var(--fg-mute);
}
.tag b{color:var(--accent);font-weight:500}

/* Buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.6rem;
  padding:.88rem 1.5rem;border-radius:999px;font-size:.92rem;font-weight:500;
  letter-spacing:.005em;transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .25s,border-color .25s,color .25s;
  border:1px solid transparent;white-space:nowrap;
}
.btn svg{flex:0 0 auto}
.btn--primary{background:linear-gradient(135deg,var(--blue),var(--blue-el));color:#fff;box-shadow:0 10px 30px -12px rgba(25,118,255,.85)}
.btn--primary:hover{transform:translateY(-2px);box-shadow:0 18px 38px -14px rgba(25,118,255,.95)}
.btn--ghost{border-color:var(--rule);color:var(--fg-strong);background:var(--surf)}
.btn--ghost:hover{border-color:var(--accent);color:var(--fg-strong);transform:translateY(-2px)}
.btn-row{display:flex;flex-wrap:wrap;gap:.85rem;margin-top:2.1rem}

/* Reveal on scroll */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .75s var(--ease),transform .75s var(--ease)}
.reveal.in{opacity:1;transform:none}
.reveal.d1{transition-delay:.08s}.reveal.d2{transition-delay:.16s}.reveal.d3{transition-delay:.24s}.reveal.d4{transition-delay:.32s}

/* ============================================================
   Navigation
   ============================================================ */
.nav{
  position:sticky;top:0;z-index:90;height:var(--nav-h);
  background:rgba(7,20,38,.72);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(255,255,255,.07);transition:background .3s,border-color .3s;
}
.nav.is-scrolled{background:rgba(5,15,29,.93);border-bottom-color:rgba(255,255,255,.11)}
.nav__inner{height:var(--nav-h);display:flex;align-items:center;gap:1.5rem;max-width:var(--maxw);margin:0 auto;padding:0 var(--gutter)}
.brand{display:flex;align-items:center;gap:.6rem;flex:0 0 auto;color:#fff}
.brand__mark{width:26px;height:26px;flex:0 0 26px}
.brand__name{font-size:1.06rem;font-weight:600;letter-spacing:-.02em}
.brand__name span{color:var(--cyan)}
.nav__links{display:flex;align-items:center;gap:.25rem;margin-left:auto}
.nav__link{
  position:relative;padding:.55rem .78rem;border-radius:8px;font-size:.86rem;color:#B8CBE6;
  transition:color .2s,background .2s;white-space:nowrap;
}
.nav__link:hover{color:#fff;background:rgba(255,255,255,.06)}
.nav__link.is-active{color:#fff}
.nav__link.is-active::after{
  content:"";position:absolute;left:.78rem;right:.78rem;bottom:.18rem;height:1.5px;
  background:linear-gradient(90deg,var(--blue),var(--cyan));border-radius:2px;
}
.nav__cta{margin-left:.65rem;padding:.62rem 1.15rem;font-size:.85rem}
.nav__toggle{display:none;margin-left:auto;width:42px;height:42px;border-radius:10px;border:1px solid rgba(255,255,255,.14);align-items:center;justify-content:center}
.nav__toggle span{display:block;width:17px;height:1.5px;background:#fff;position:relative;transition:transform .3s var(--ease),background .2s}
.nav__toggle span::before,.nav__toggle span::after{content:"";position:absolute;left:0;width:17px;height:1.5px;background:#fff;transition:transform .3s var(--ease),top .3s}
.nav__toggle span::before{top:-5.5px}.nav__toggle span::after{top:5.5px}
.nav__toggle[aria-expanded="true"] span{background:transparent}
.nav__toggle[aria-expanded="true"] span::before{top:0;transform:rotate(45deg)}
.nav__toggle[aria-expanded="true"] span::after{top:0;transform:rotate(-45deg)}
.nav__panel{
  position:fixed;top:var(--nav-h);left:0;right:0;z-index:89;background:rgba(5,15,29,.985);
  border-bottom:1px solid rgba(255,255,255,.1);padding:.7rem var(--gutter) 1.4rem;
  display:none;max-height:calc(100vh - var(--nav-h));overflow-y:auto;
}
.nav__panel.is-open{display:block}
.nav__panel a{display:block;padding:.85rem .2rem;font-size:1rem;color:#CFDDF0;border-bottom:1px solid rgba(255,255,255,.07)}
.nav__panel .btn{width:100%;margin-top:1.1rem}

/* ============================================================
   Hero
   ============================================================ */
.hero{
  position:relative;overflow:hidden;padding:clamp(3rem,6vw,5.5rem) 0 clamp(3rem,5vw,4.5rem);
  background:
    radial-gradient(900px 620px at 78% 34%,rgba(25,118,255,.20),transparent 62%),
    radial-gradient(620px 480px at 12% 8%,rgba(77,216,255,.11),transparent 60%),
    linear-gradient(180deg,#071426 0%,#08182D 58%,#0B1F3A 100%);
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.42;
  background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:74px 74px;
  -webkit-mask-image:radial-gradient(70% 60% at 50% 40%,#000,transparent 78%);
  mask-image:radial-gradient(70% 60% at 50% 40%,#000,transparent 78%);
}
.hero__grid{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1.02fr) minmax(0,.98fr);gap:clamp(2rem,4vw,3.4rem);align-items:center}
.hero h1{
  font-size:clamp(2.3rem,5.4vw,4.15rem);line-height:1.03;letter-spacing:-.038em;font-weight:600;
  color:#fff;margin-top:1.3rem;
}
.hero h1 .grad{
  background:linear-gradient(100deg,#8CC4FF 0%,var(--cyan) 55%,#B7ECFF 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero__copy p.lead{color:#B4C8E4;max-width:46ch}
.hero__pos{
  margin-top:1.5rem;padding-top:1.1rem;border-top:1px solid rgba(255,255,255,.12);
  font-family:var(--mono);font-size:.74rem;letter-spacing:.13em;text-transform:uppercase;color:#7FE3FF;
}
.hero__visual{position:relative;display:flex;flex-direction:column;align-items:center}
.hero__legend{display:flex;gap:1.6rem;flex-wrap:wrap;justify-content:center;margin-top:.4rem}
.hero__legend li{display:flex;align-items:center;gap:.5rem;font-family:var(--mono);font-size:.66rem;letter-spacing:.1em;text-transform:uppercase;color:#8FA5C4}
.hero__legend i{display:block;width:22px;height:0;border-top:1.5px dashed var(--cyan)}
.hero__legend i.out{border-top:1.5px solid var(--blue-el)}

/* progression strip: See -> Connect -> ... */
.progress{
  position:relative;z-index:1;margin-top:clamp(2.4rem,4.5vw,3.6rem);padding-top:1.5rem;
  border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;align-items:center;gap:.55rem .95rem;
}
.progress li{display:flex;align-items:center;gap:.95rem;font-family:var(--mono);font-size:.72rem;letter-spacing:.15em;text-transform:uppercase;color:#93A9C8}
.progress li::after{content:"";width:16px;height:1px;background:linear-gradient(90deg,var(--blue),transparent)}
.progress li:last-child::after{display:none}
.progress li:last-child{color:var(--cyan)}
.progress li b{font-weight:500}

/* ============================================================
   Section 2 — the gap
   ============================================================ */
.gap-grid{display:grid;grid-template-columns:minmax(0,.92fr) minmax(0,1.08fr);gap:clamp(2rem,4.5vw,4rem)}
.panel-label{
  font-family:var(--mono);font-size:.68rem;letter-spacing:.18em;text-transform:uppercase;
  color:var(--fg-mute);padding-bottom:.85rem;border-bottom:1px solid var(--rule);margin-bottom:.3rem;
}
.reality li{
  display:grid;grid-template-columns:auto 1fr;gap:.9rem;align-items:baseline;
  padding:1rem 0;border-bottom:1px solid var(--rule-soft);
}
.reality li>div{min-width:0}
.reality b{font-family:var(--mono);font-size:.7rem;color:var(--accent);opacity:.65;font-weight:500;letter-spacing:.08em}
.reality strong{display:block;font-weight:600;color:var(--fg-strong);font-size:.97rem}
.reality span{display:block;font-size:.88rem;color:var(--fg-mute);margin-top:.15rem}
.q-list{display:grid;gap:.9rem}
.qcard{
  position:relative;padding:1.35rem 1.5rem;border-radius:var(--r);background:var(--surf);
  border:1px solid var(--rule);transition:transform .3s var(--ease),border-color .3s,box-shadow .3s;
}
.qcard:hover{transform:translateX(4px);border-color:rgba(25,118,255,.5);box-shadow:0 14px 34px -22px rgba(16,35,63,.5)}
.qcard h3{font-size:1.12rem;font-weight:600;color:var(--fg-strong);letter-spacing:-.015em;display:flex;align-items:center;gap:.7rem}
.qcard h3 i{
  flex:0 0 26px;height:26px;border-radius:50%;display:grid;place-items:center;font-style:normal;
  font-family:var(--mono);font-size:.68rem;color:#fff;background:linear-gradient(135deg,var(--blue),var(--blue-el));
}
.qcard p{margin-top:.5rem;font-size:.93rem;color:var(--fg-mute);padding-left:2.3rem}

/* ============================================================
   Section 3 — evolution timeline
   ============================================================ */
.tl__rail{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:.5rem;margin-bottom:2.2rem}
.tl__rail::before{content:"";position:absolute;left:0;right:0;top:29px;height:1px;background:var(--rule)}
.tl__tab{
  position:relative;text-align:left;padding:0 .2rem;display:flex;flex-direction:column;gap:.9rem;align-items:flex-start;
}
.tl__dot{
  position:relative;z-index:1;width:58px;height:58px;border-radius:50%;display:grid;place-items:center;
  background:var(--bg);border:1px solid var(--rule);font-family:var(--mono);font-size:.92rem;letter-spacing:.04em;
  color:var(--fg-mute);transition:all .35s var(--ease);
}
.tl__tab:hover .tl__dot{border-color:var(--accent);color:var(--fg-strong)}
.tl__tab[aria-selected="true"] .tl__dot{
  background:linear-gradient(135deg,var(--blue),var(--blue-el));border-color:transparent;color:#fff;
  box-shadow:0 0 0 5px rgba(25,118,255,.16),0 12px 30px -14px rgba(25,118,255,.9);
}
.tl__meta{display:block;font-family:var(--mono);font-size:.64rem;letter-spacing:.15em;text-transform:uppercase;color:var(--fg-mute)}
.tl__name{display:block;margin-top:.35rem;font-size:1.02rem;font-weight:600;color:var(--fg-strong);letter-spacing:-.015em}
.tl__tab[aria-selected="true"] .tl__name{color:var(--accent)}
.tl__panel{
  display:none;border:1px solid var(--rule);border-radius:var(--r);background:var(--surf);
  padding:clamp(1.5rem,3vw,2.4rem);
}
.tl__panel.is-active{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.35fr);gap:clamp(1.4rem,3vw,2.8rem);animation:fade .5s var(--ease)}
@keyframes fade{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.tl__idea{font-size:clamp(1.35rem,2.6vw,2rem);line-height:1.15;letter-spacing:-.025em;color:var(--fg-strong);font-weight:600}
.tl__idea small{display:block;font-family:var(--mono);font-size:.66rem;letter-spacing:.16em;text-transform:uppercase;color:var(--accent);margin-bottom:.8rem;font-weight:500}
.tl__facts{display:grid;gap:1.15rem;align-content:start}
.tl__facts div{display:grid;grid-template-columns:auto 1fr;gap:1rem}
.tl__facts dt{font-family:var(--mono);font-size:.64rem;letter-spacing:.14em;text-transform:uppercase;color:var(--fg-mute);padding-top:.22rem;min-width:118px}
.tl__facts dd{margin:0;font-size:.96rem;color:var(--fg)}
.tl__facts .is-good dd{color:var(--fg-strong)}

/* ============================================================
   Section 4 — the fabric (narrow waist)
   ============================================================ */
.waist{display:grid;gap:0}
.waist__label{
  display:flex;align-items:center;gap:1rem;font-family:var(--mono);font-size:.66rem;
  letter-spacing:.18em;text-transform:uppercase;color:var(--fg-mute);margin-bottom:1.3rem;
}
.waist__label::after{content:"";flex:1;height:1px;background:var(--rule)}
.waist__row{display:grid;gap:1.2rem}
.waist__row--3{grid-template-columns:repeat(3,1fr)}
.waist__row--2{grid-template-columns:repeat(2,1fr);max-width:76%;margin:0 auto}
.waist__item{
  position:relative;padding:1.6rem 1.5rem 1.7rem;border-radius:var(--r);background:var(--surf);
  border:1px solid var(--rule);transition:transform .3s var(--ease),border-color .3s,box-shadow .3s;
}
.waist__item:hover{transform:translateY(-4px);border-color:rgba(25,118,255,.45);box-shadow:0 22px 46px -30px rgba(16,35,63,.6)}
.waist__item b{
  font-family:var(--mono);font-size:.72rem;color:var(--accent);letter-spacing:.1em;font-weight:500;
  display:block;margin-bottom:.9rem;
}
.waist__item h3{font-size:1.14rem;font-weight:600;color:var(--fg-strong);letter-spacing:-.018em}
.waist__item p{margin-top:.55rem;font-size:.93rem;color:var(--fg-mute)}
.waist__link{height:clamp(38px,5vw,58px);display:grid;place-items:center;position:relative}
.waist__link svg{overflow:visible}
.waist__note{
  margin-top:clamp(2.2rem,4vw,3.2rem);padding:clamp(1.5rem,3vw,2.2rem);border-radius:var(--r);
  background:linear-gradient(120deg,rgba(25,118,255,.09),rgba(77,216,255,.05));
  border:1px solid var(--rule);font-size:clamp(1rem,1.5vw,1.16rem);line-height:1.5;color:var(--fg-strong);
}

/* ============================================================
   Section 5 — connected operational model
   ============================================================ */
.cmodel{display:grid;grid-template-columns:repeat(2,1fr);gap:1.15rem;position:relative}
.cmodel__group{
  padding:1.5rem 1.5rem 1.6rem;border-radius:var(--r);border:1px solid var(--rule);background:var(--surf);
  transition:border-color .3s,background .3s;
}
.cmodel__group:hover{border-color:rgba(77,216,255,.4)}
.cmodel__group h3{
  font-family:var(--mono);font-size:.72rem;letter-spacing:.18em;text-transform:uppercase;color:var(--accent);
  display:flex;align-items:baseline;gap:.7rem;font-weight:500;
}
.cmodel__group h3 em{font-style:normal;font-size:.66rem;letter-spacing:.1em;color:var(--fg-mute);text-transform:none}
.cmodel__chips{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:1.15rem}
.cmodel__chip{
  font-family:var(--mono);font-size:.75rem;letter-spacing:.02em;padding:.5rem .8rem;border-radius:7px;
  background:var(--surf-2);border:1px solid var(--rule-soft);color:var(--fg-strong);
  transition:transform .25s var(--ease),border-color .25s,color .25s;
}
.cmodel__group:hover .cmodel__chip{border-color:var(--rule)}
.cmodel__chip:hover{transform:translateY(-2px);border-color:var(--accent);color:var(--accent)}
.cmodel__core{
  grid-column:1/-1;display:flex;align-items:center;justify-content:center;gap:1rem;
  font-family:var(--mono);font-size:.68rem;letter-spacing:.2em;text-transform:uppercase;color:var(--fg-mute);
  padding:.2rem 0;
}
.cmodel__core::before,.cmodel__core::after{content:"";flex:1;height:1px;background:linear-gradient(90deg,transparent,var(--rule),transparent)}
.cmodel__count{color:var(--accent)}

.pack{margin-top:1.15rem;border:1px solid var(--rule);border-radius:var(--r);background:var(--surf);overflow:hidden}
.pack__btn{
  width:100%;display:flex;align-items:center;gap:1rem;padding:1.25rem 1.5rem;text-align:left;
  transition:background .25s;
}
.pack__btn:hover{background:var(--surf-2)}
.pack__btn .tag{color:var(--accent)}
.pack__btn h3{font-size:1.05rem;font-weight:600;color:var(--fg-strong);letter-spacing:-.015em;margin-right:auto}
.pack__btn i{
  flex:0 0 26px;height:26px;border-radius:50%;border:1px solid var(--rule);display:grid;place-items:center;
  font-style:normal;color:var(--accent);transition:transform .3s var(--ease),background .3s;
}
.pack__btn[aria-expanded="true"] i{transform:rotate(45deg);background:var(--surf-2)}
.pack__body{display:none;padding:0 1.5rem 1.6rem;border-top:1px solid var(--rule-soft)}
.pack__body.is-open{display:block;animation:fade .45s var(--ease)}
.pack__row{display:grid;grid-template-columns:150px 1fr;gap:1rem;padding:.85rem 0;border-bottom:1px solid var(--rule-soft);align-items:baseline}
.pack__row:last-of-type{border-bottom:0}
.pack__row dt{font-family:var(--mono);font-size:.72rem;letter-spacing:.06em;color:var(--accent)}
.pack__row dd{margin:0;font-size:.94rem;color:var(--fg)}
.pack__body>p{margin-top:1.1rem;font-size:.9rem;color:var(--fg-mute)}

/* ============================================================
   Section 6 — evidence to decision chain
   ============================================================ */
.chain{display:grid;grid-template-columns:repeat(4,1fr);gap:1.15rem}
.chain__stage{
  position:relative;display:flex;flex-direction:column;padding:1.5rem 1.35rem 1.6rem;
  border-radius:var(--r);border:1px solid var(--rule);background:var(--surf);
  transition:transform .3s var(--ease),box-shadow .3s,border-color .3s;
}
.chain__stage:hover{transform:translateY(-4px);border-color:rgba(25,118,255,.42);box-shadow:0 22px 44px -30px rgba(16,35,63,.55)}
.chain__stage>b{font-family:var(--mono);font-size:.66rem;letter-spacing:.18em;text-transform:uppercase;color:var(--accent);font-weight:500}
.chain__stage h3{margin-top:.5rem;font-size:1.2rem;font-weight:600;color:var(--fg-strong);letter-spacing:-.02em}
.chain__steps{margin:1.2rem 0 1.2rem;display:grid;gap:.05rem}
.chain__steps li{position:relative;display:flex;align-items:center;gap:.75rem;padding:.42rem 0;font-family:var(--mono);font-size:.76rem;color:var(--fg-strong);letter-spacing:.01em}
.chain__steps li::before{
  content:"";flex:0 0 7px;height:7px;border-radius:50%;background:var(--accent);opacity:.85;
  box-shadow:0 0 0 3px rgba(59,145,255,.18);
}
.chain__stage p{font-size:.92rem;color:var(--fg-mute);padding-top:1rem;margin-top:auto;border-top:1px solid var(--rule-soft)}
.chain__arrow{position:absolute;right:-1.05rem;top:2.55rem;width:.85rem;height:1px;background:var(--rule);z-index:2}
.chain__arrow::after{content:"";position:absolute;right:0;top:-2.5px;width:6px;height:6px;border-top:1px solid var(--rule);border-right:1px solid var(--rule);transform:rotate(45deg)}

.explain{
  margin-top:clamp(2.2rem,4vw,3.2rem);display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);
  gap:clamp(1.6rem,3.5vw,3rem);align-items:center;padding:clamp(1.6rem,3.2vw,2.6rem);
  border-radius:var(--r);border:1px solid var(--rule);
  background:linear-gradient(120deg,rgba(25,118,255,.08),rgba(77,216,255,.04));
}
.explain h3{font-size:clamp(1.25rem,2.3vw,1.75rem);line-height:1.2;letter-spacing:-.024em;color:var(--fg-strong);font-weight:600;margin-top:.9rem}
.explain p{margin-top:.85rem;font-size:.95rem;color:var(--fg-mute)}
.trace{display:grid;gap:0;background:var(--surf);border:1px solid var(--rule);border-radius:var(--r);padding:1.25rem 1.35rem}
.trace__head{display:flex;align-items:center;gap:.6rem;font-family:var(--mono);font-size:.66rem;letter-spacing:.15em;text-transform:uppercase;color:var(--fg-mute);padding-bottom:.9rem;border-bottom:1px solid var(--rule-soft)}
.trace__head b{color:var(--accent);font-weight:500}
.trace__row{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:.9rem;padding:.72rem 0;position:relative}
.trace__row+.trace__row::before{content:"";position:absolute;left:5.5px;top:-6px;width:1px;height:14px;background:var(--rule)}
.trace__row i{width:12px;height:12px;border-radius:50%;border:1.5px solid var(--accent);position:relative}
.trace__row i::after{content:"";position:absolute;inset:2.5px;border-radius:50%;background:var(--accent)}
.trace__row span{font-family:var(--mono);font-size:.79rem;color:var(--fg-strong)}
.trace__row em{font-style:normal;font-family:var(--mono);font-size:.63rem;letter-spacing:.12em;text-transform:uppercase;color:var(--fg-mute)}
.trace__foot{margin-top:.4rem;padding-top:.9rem;border-top:1px solid var(--rule-soft);font-size:.82rem;color:var(--fg-mute)}

/* ============================================================
   Section 7 — vision sources
   ============================================================ */
.src{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:clamp(2rem,4vw,3.6rem);align-items:start}
.src__chips{display:flex;flex-wrap:wrap;gap:.55rem}
.src__chips li{
  font-family:var(--mono);font-size:.76rem;padding:.55rem .9rem;border-radius:8px;
  border:1px solid var(--rule);background:var(--surf);color:var(--fg-strong);
  transition:transform .25s var(--ease),border-color .25s,color .25s,background .25s;
}
.src__chips li:hover{transform:translateY(-2px);border-color:var(--accent);color:var(--accent);background:var(--surf-2)}
.src__brain{display:flex;flex-direction:column;align-items:center;gap:1.2rem}
.src__principles{margin-top:2.2rem;display:grid;gap:0}
.src__principles div{padding:1.05rem 0;border-top:1px solid var(--rule);display:grid;grid-template-columns:130px 1fr;gap:1rem;align-items:baseline}
.src__principles div:last-child{border-bottom:1px solid var(--rule)}
.src__principles dt{font-family:var(--mono);font-size:.74rem;letter-spacing:.1em;text-transform:uppercase;color:var(--accent)}
.src__principles dd{margin:0;font-size:.93rem;color:var(--fg-mute)}
.src__quote{
  margin-top:clamp(2rem,4vw,3rem);padding-top:clamp(1.6rem,3vw,2.2rem);border-top:1px solid var(--rule);
  display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,.75fr);gap:clamp(1.5rem,3vw,3rem);align-items:start;
}
.src__quote p{font-size:clamp(1.05rem,1.8vw,1.32rem);line-height:1.45;letter-spacing:-.015em;color:var(--fg-strong)}
.src__quote small{font-size:.88rem;color:var(--fg-mute);line-height:1.6;display:block}

/* ============================================================
   Section 8 — architecture
   ============================================================ */
.arch{display:grid;gap:.85rem}
.arch__band{
  display:grid;grid-template-columns:74px minmax(0,1.05fr) minmax(0,1.25fr);gap:clamp(1rem,2.5vw,2rem);
  align-items:center;padding:1.5rem;border-radius:var(--r);border:1px solid var(--rule);background:var(--surf);
  transition:transform .3s var(--ease),border-color .3s,box-shadow .3s,background .3s;
}
.arch__band:hover,.arch__band:focus-within{
  transform:translateX(5px);border-color:rgba(25,118,255,.5);
  box-shadow:-3px 0 0 0 var(--accent),0 22px 44px -32px rgba(16,35,63,.5);
}
.arch__letter{
  width:52px;height:52px;border-radius:12px;display:grid;place-items:center;font-family:var(--mono);
  font-size:1.15rem;color:var(--accent);border:1px solid var(--rule);background:var(--surf-2);
}
.arch__band h3{font-family:var(--mono);font-size:.74rem;letter-spacing:.2em;text-transform:uppercase;color:var(--fg-strong);font-weight:500}
.arch__layers{display:flex;flex-wrap:wrap;gap:.45rem;margin-top:.85rem}
.arch__layers li{
  font-size:.82rem;padding:.42rem .8rem;border-radius:7px;background:var(--surf-2);
  border:1px solid var(--rule-soft);color:var(--fg-strong);transition:border-color .25s,color .25s;
}
.arch__band:hover .arch__layers li{border-color:var(--rule)}
.arch__band p{font-size:.93rem;color:var(--fg-mute)}
.arch__contract{
  margin-top:1.4rem;display:flex;align-items:center;justify-content:center;gap:1rem;
  font-family:var(--mono);font-size:.68rem;letter-spacing:.18em;text-transform:uppercase;color:var(--fg-mute);
}
.arch__contract::before,.arch__contract::after{content:"";flex:1;height:1px;background:linear-gradient(90deg,transparent,var(--rule),transparent)}

/* ============================================================
   Section 9 — agents
   ============================================================ */
.agents{display:grid;grid-template-columns:repeat(5,1fr);gap:.85rem;align-items:start}
.agent{border:1px solid var(--rule);border-radius:var(--r);background:var(--surf);overflow:hidden;transition:border-color .3s,background .3s}
.agent:hover{border-color:rgba(77,216,255,.45)}
.agent__btn{width:100%;text-align:left;padding:1.25rem 1.2rem;display:grid;gap:.85rem}
.agent__num{font-family:var(--mono);font-size:.66rem;letter-spacing:.12em;color:var(--accent);display:flex;align-items:center;justify-content:space-between}
.agent__num i{font-style:normal;width:16px;height:16px;position:relative;opacity:.75}
.agent__num i::before,.agent__num i::after{content:"";position:absolute;background:currentColor;transition:transform .3s var(--ease),opacity .3s}
.agent__num i::before{left:0;top:7.5px;width:16px;height:1.5px}
.agent__num i::after{left:7.5px;top:0;width:1.5px;height:16px}
.agent__btn[aria-expanded="true"] .agent__num i::after{transform:scaleY(0);opacity:0}
.agent__name{font-size:1rem;font-weight:600;color:var(--fg-strong);letter-spacing:-.015em;line-height:1.25}
.agent__body{display:none;padding:0 1.2rem 1.3rem;font-size:.89rem;color:var(--fg-mute);line-height:1.55}
.agent__body.is-open{display:block;animation:fade .4s var(--ease)}
.agent--on{background:var(--surf-2)}
.agent-note{
  margin-top:clamp(2rem,3.5vw,2.8rem);padding-top:1.8rem;border-top:1px solid var(--rule);
  display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:clamp(1.4rem,3vw,2.6rem);align-items:start;
}
.agent-note h3{font-size:1.12rem;font-weight:600;color:var(--fg-strong);letter-spacing:-.018em}
.agent-note p{margin-top:.6rem;font-size:.92rem;color:var(--fg-mute)}
.agent-note ul{display:grid;grid-template-columns:repeat(2,1fr);gap:.7rem}
.agent-note li{
  display:flex;gap:.7rem;align-items:baseline;font-size:.9rem;color:var(--fg);
  padding:.75rem .95rem;border-radius:9px;background:var(--surf);border:1px solid var(--rule-soft);
}
.agent-note li::before{content:"";flex:0 0 5px;height:5px;border-radius:50%;background:var(--accent);transform:translateY(-2px)}

/* ============================================================
   Section 10 — domains + explorer
   ============================================================ */
.families{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem}
.family{padding:1.4rem 1.35rem 1.5rem;border-radius:var(--r);border:1px solid var(--rule);background:var(--surf);transition:transform .3s var(--ease),border-color .3s}
.family:hover{transform:translateY(-4px);border-color:rgba(25,118,255,.45)}
.family h3{font-family:var(--mono);font-size:.68rem;letter-spacing:.16em;text-transform:uppercase;color:var(--accent);font-weight:500}
.family ul{margin-top:1.05rem;display:grid;gap:.55rem}
.family li{font-size:.93rem;color:var(--fg-strong);display:flex;align-items:baseline;gap:.6rem}
.family li::before{content:"";flex:0 0 4px;height:4px;border-radius:50%;background:var(--accent);opacity:.6}
.core-bar{
  margin-top:1rem;padding:1.1rem 1.4rem;border-radius:var(--r);border:1px dashed var(--rule);
  display:flex;align-items:center;justify-content:center;gap:.9rem;text-align:center;
  font-family:var(--mono);font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;color:var(--fg-mute);
  background:linear-gradient(120deg,rgba(25,118,255,.06),rgba(77,216,255,.03));
}
.core-bar b{color:var(--accent);font-weight:500}

.explorer{margin-top:clamp(3rem,5.5vw,4.5rem)}
.filters{display:flex;flex-wrap:wrap;gap:.5rem;margin:1.6rem 0 1.6rem}
.filter{
  font-family:var(--mono);font-size:.72rem;letter-spacing:.08em;padding:.6rem 1rem;border-radius:999px;
  border:1px solid var(--rule);color:var(--fg-mute);background:var(--surf);transition:all .25s var(--ease);
}
.filter:hover{color:var(--fg-strong);border-color:var(--accent)}
.filter[aria-pressed="true"]{background:linear-gradient(135deg,var(--blue),var(--blue-el));border-color:transparent;color:#fff}
.explorer__grid{display:grid;grid-template-columns:minmax(0,.82fr) minmax(0,1.18fr);gap:1.15rem;align-items:start}
.ind-list{
  display:grid;gap:.3rem;max-height:520px;overflow-y:auto;padding-right:.4rem;
  scrollbar-width:thin;scrollbar-color:var(--rule) transparent;
}
.ind-list::-webkit-scrollbar{width:5px}
.ind-list::-webkit-scrollbar-thumb{background:var(--rule);border-radius:3px}
.ind-item{
  width:100%;text-align:left;display:flex;align-items:center;gap:.85rem;padding:.82rem .95rem;
  border-radius:9px;border:1px solid transparent;color:var(--fg);font-size:.94rem;transition:all .22s var(--ease);
}
.ind-item b{font-family:var(--mono);font-size:.66rem;color:var(--fg-mute);letter-spacing:.06em;font-weight:500;min-width:20px}
.ind-item:hover{background:var(--surf);border-color:var(--rule)}
.ind-item[aria-current="true"]{background:var(--surf);border-color:rgba(25,118,255,.5);color:var(--fg-strong);font-weight:600}
.ind-item[aria-current="true"] b{color:var(--accent)}
.ind-item.is-hidden{display:none}
.ind-detail{
  padding:clamp(1.5rem,3vw,2.3rem);border-radius:var(--r);border:1px solid var(--rule);background:var(--surf);
  position:sticky;top:calc(var(--nav-h) + 20px);
}
.ind-detail h3{font-size:clamp(1.3rem,2.4vw,1.85rem);line-height:1.15;letter-spacing:-.025em;color:var(--fg-strong);font-weight:600;margin-top:.75rem}
.ind-detail dl{margin:1.6rem 0 0;display:grid;gap:0}
.ind-detail dl div{padding:1.05rem 0;border-top:1px solid var(--rule-soft);display:grid;grid-template-columns:150px 1fr;gap:1rem;align-items:baseline}
.ind-detail dt{font-family:var(--mono);font-size:.66rem;letter-spacing:.14em;text-transform:uppercase;color:var(--fg-mute)}
.ind-detail dd{margin:0;font-size:.98rem;color:var(--fg-strong)}
.ind-detail .outcome dd{color:var(--accent);font-weight:500}
.ind-detail.is-updating{animation:pop .5s var(--ease)}
@keyframes pop{from{opacity:.35;transform:translateY(6px)}to{opacity:1;transform:none}}
.explorer__note{margin-top:1.4rem;font-size:.87rem;color:var(--fg-mute);max-width:80ch}
.explorer__count{font-family:var(--mono);font-size:.68rem;letter-spacing:.12em;text-transform:uppercase;color:var(--fg-mute)}

/* ============================================================
   Section 11 — capability matrix
   ============================================================ */
.matrix-wrap{border:1px solid var(--rule);border-radius:var(--r);background:var(--surf);overflow:hidden}
table.matrix{width:100%;border-collapse:collapse;font-size:.88rem}
.matrix th,.matrix td{padding:.95rem .7rem;text-align:center;border-bottom:1px solid var(--rule-soft)}
.matrix thead th{
  font-family:var(--mono);font-size:.6rem;letter-spacing:.1em;text-transform:uppercase;color:var(--fg-mute);
  font-weight:500;vertical-align:bottom;line-height:1.35;padding-top:1.2rem;
}
.matrix thead th.grp{color:var(--accent);letter-spacing:.16em;padding-bottom:.4rem;border-bottom:0}
.matrix th[scope="row"]{text-align:left;padding-left:1.3rem;width:27%}
.matrix th[scope="row"] strong{display:block;font-size:.98rem;font-weight:600;color:var(--fg-strong);letter-spacing:-.012em}
.matrix th[scope="row"] span{display:block;margin-top:.25rem;font-size:.82rem;color:var(--fg-mute);font-weight:400;line-height:1.45}
.matrix tbody tr{transition:background .25s}
.matrix tbody tr:hover{background:var(--surf-2)}
.matrix tr.is-us{background:linear-gradient(90deg,rgba(25,118,255,.11),rgba(77,216,255,.05))}
.matrix tr.is-us:hover{background:linear-gradient(90deg,rgba(25,118,255,.15),rgba(77,216,255,.07))}
.matrix tr.is-us th[scope="row"] strong{color:var(--accent)}
.dot{display:inline-block;width:13px;height:13px;border-radius:50%;vertical-align:middle}
.dot--native{background:var(--blue-el);box-shadow:0 0 0 4px rgba(59,145,255,.20)}
.is-us .dot--native{background:var(--cyan);box-shadow:0 0 0 4px rgba(77,216,255,.24)}
.dot--partial{background:transparent;border:1.5px solid var(--fg-mute);position:relative;overflow:hidden}
.dot--partial::after{content:"";position:absolute;left:0;top:0;bottom:0;width:50%;background:var(--fg-mute)}
.dot--absent{background:transparent;border:1.5px dotted var(--fg-mute);opacity:.5}
.legend{display:flex;flex-wrap:wrap;gap:1.5rem;margin-top:1.3rem;justify-content:flex-end}
.legend li{display:flex;align-items:center;gap:.55rem;font-family:var(--mono);font-size:.66rem;letter-spacing:.12em;text-transform:uppercase;color:var(--fg-mute)}

/* ============================================================
   Section 12 — compounding
   ============================================================ */
.loop{display:grid;grid-template-columns:repeat(7,1fr);gap:.55rem;position:relative}
.loop__step{
  padding:1.15rem .9rem 1.2rem;border-radius:10px;border:1px solid var(--rule);background:var(--surf);
  display:grid;gap:.7rem;align-content:start;transition:transform .3s var(--ease),border-color .3s;
}
.loop__step:hover{transform:translateY(-4px);border-color:rgba(25,118,255,.5)}
.loop__step b{font-family:var(--mono);font-size:.66rem;color:var(--accent);letter-spacing:.1em;font-weight:500}
.loop__step span{font-size:.9rem;font-weight:600;color:var(--fg-strong);line-height:1.3;letter-spacing:-.012em}
.loop__return{
  margin-top:.55rem;padding:.85rem 1.2rem;border-radius:10px;border:1px dashed var(--rule);
  display:flex;align-items:center;justify-content:center;gap:.8rem;
  font-family:var(--mono);font-size:.67rem;letter-spacing:.14em;text-transform:uppercase;color:var(--fg-mute);
}
.loop__return b{color:var(--accent);font-weight:500}
.effects{display:grid;grid-template-columns:repeat(2,1fr);gap:1.1rem;margin-top:clamp(2.2rem,4vw,3.2rem)}
.effect{padding:1.5rem;border-radius:var(--r);border:1px solid var(--rule);background:var(--surf);transition:transform .3s var(--ease),border-color .3s}
.effect:hover{transform:translateY(-4px);border-color:rgba(77,216,255,.45)}
.effect h3{font-size:1.1rem;font-weight:600;color:var(--fg-strong);letter-spacing:-.018em;display:flex;align-items:center;gap:.7rem}
.effect h3 svg{flex:0 0 auto}
.effect p{margin-top:.6rem;font-size:.93rem;color:var(--fg-mute)}
.advantages{margin-top:clamp(2.2rem,4vw,3.2rem)}
.advantages__grid{display:grid;grid-template-columns:repeat(2,1fr);gap:0 clamp(1.5rem,4vw,3.5rem)}
.advantages__grid div{display:grid;grid-template-columns:190px 1fr;gap:1rem;padding:1rem 0;border-top:1px solid var(--rule-soft);align-items:baseline}
.advantages__grid dt{font-family:var(--mono);font-size:.74rem;letter-spacing:.06em;color:var(--fg-strong)}
.advantages__grid dd{margin:0;font-size:.9rem;color:var(--fg-mute)}

/* ============================================================
   Section 13 — final vision
   ============================================================ */
.final{
  position:relative;overflow:hidden;text-align:center;
  background:
    radial-gradient(760px 520px at 50% 8%,rgba(25,118,255,.22),transparent 62%),
    radial-gradient(900px 600px at 50% 108%,rgba(77,216,255,.14),transparent 60%),
    linear-gradient(180deg,#0B1F3A,#071426 62%);
}
.final::before{
  content:"";position:absolute;inset:0;opacity:.4;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);
  background-size:74px 74px;
  -webkit-mask-image:radial-gradient(60% 55% at 50% 50%,#000,transparent 80%);
  mask-image:radial-gradient(60% 55% at 50% 50%,#000,transparent 80%);
}
.final__inner{position:relative;z-index:1}
.final h2{
  font-size:clamp(1.9rem,4.6vw,3.6rem);line-height:1.08;letter-spacing:-.035em;font-weight:600;color:#fff;
  max-width:22ch;margin:1.3rem auto 0;
}
.final h2 .grad{background:linear-gradient(100deg,#8CC4FF,var(--cyan) 60%,#C4F0FF);-webkit-background-clip:text;background-clip:text;color:transparent}
.final__closing{
  margin:clamp(2.6rem,5vw,3.8rem) auto 0;max-width:62ch;font-size:clamp(1rem,1.5vw,1.18rem);line-height:1.55;color:#B4C8E4;
}
.final__cta{margin-top:clamp(2.4rem,4.5vw,3.4rem);padding-top:clamp(2.2rem,4vw,3rem);border-top:1px solid rgba(255,255,255,.12)}
.final__cta h3{font-size:clamp(1.35rem,2.6vw,2.05rem);letter-spacing:-.028em;font-weight:600;color:#fff;line-height:1.15}
.final .btn-row{justify-content:center}

/* ============================================================
   Footer
   ============================================================ */
.footer{background:var(--navy-ink);color:#8FA5C4;padding:clamp(3rem,5vw,4.2rem) 0 2rem;border-top:1px solid rgba(255,255,255,.08)}
.footer__grid{display:grid;grid-template-columns:minmax(0,1.4fr) repeat(3,minmax(0,1fr));gap:2rem}
.footer__brand p{margin-top:1rem;font-size:.9rem;max-width:34ch;line-height:1.6}
.footer h4{font-family:var(--mono);font-size:.66rem;letter-spacing:.18em;text-transform:uppercase;color:#fff;font-weight:500;margin-bottom:1.1rem}
.footer nav a,.footer button.linky{display:block;padding:.4rem 0;font-size:.9rem;color:#8FA5C4;transition:color .2s;text-align:left}
.footer nav a:hover,.footer button.linky:hover{color:var(--cyan)}
.footer__base{
  margin-top:clamp(2.4rem,4vw,3.2rem);padding-top:1.5rem;border-top:1px solid rgba(255,255,255,.08);
  display:flex;flex-wrap:wrap;gap:1rem;justify-content:space-between;align-items:center;
  font-size:.82rem;color:#62738D;
}
.footer__base .tag{color:#62738D}

/* ============================================================
   Modal
   ============================================================ */
.modal{position:fixed;inset:0;z-index:120;display:none;align-items:center;justify-content:center;padding:1.2rem}
.modal.is-open{display:flex}
.modal__backdrop{position:absolute;inset:0;background:rgba(4,11,22,.78);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px)}
.modal__card{
  position:relative;width:100%;max-width:560px;max-height:90vh;overflow-y:auto;
  background:linear-gradient(160deg,#0D2444,#081A31);border:1px solid rgba(255,255,255,.13);
  border-radius:16px;padding:clamp(1.6rem,3.5vw,2.4rem);box-shadow:0 40px 90px -40px rgba(0,0,0,.9);
  animation:rise .4s var(--ease);
}
@keyframes rise{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}
.modal__close{
  position:absolute;top:1rem;right:1rem;width:36px;height:36px;border-radius:50%;
  border:1px solid rgba(255,255,255,.15);display:grid;place-items:center;color:#B4C8E4;transition:all .25s;
}
.modal__close:hover{background:rgba(255,255,255,.09);color:#fff}
.modal h2{font-size:1.5rem;font-weight:600;color:#fff;letter-spacing:-.025em;margin-top:.85rem}
.modal p.sub{margin-top:.7rem;font-size:.93rem;color:#93A9C8}
.field{margin-top:1.05rem}
.field label{display:block;font-family:var(--mono);font-size:.65rem;letter-spacing:.14em;text-transform:uppercase;color:#8FA5C4;margin-bottom:.45rem}
.field input,.field select,.field textarea{
  width:100%;padding:.8rem .95rem;border-radius:9px;background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.14);color:#fff;font-family:var(--font);font-size:.94rem;transition:border-color .25s,background .25s;
}
.field textarea{resize:vertical;min-height:84px}
.field select option{background:#0B1F3A;color:#fff}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--cyan);background:rgba(255,255,255,.08)}
.field input:focus-visible,.field select:focus-visible,.field textarea:focus-visible{outline:2px solid var(--cyan);outline-offset:1px}
.modal .btn{width:100%;margin-top:1.5rem}
.modal__note{margin-top:1rem;font-size:.78rem;color:#62738D;text-align:center}
.modal__done{display:none;text-align:center;padding:1rem 0}
.modal__done.is-on{display:block;animation:fade .45s var(--ease)}
.modal__done svg{margin:0 auto 1.2rem}
.modal__done h3{font-size:1.35rem;color:#fff;font-weight:600;letter-spacing:-.02em}
.modal__done p{margin-top:.8rem;font-size:.94rem;color:#93A9C8}
body.is-locked{overflow:hidden}

/* ============================================================
   Shared SVG animation
   ============================================================ */
.flow-in{stroke-dasharray:5 9;animation:flowIn 2.6s linear infinite}
@keyframes flowIn{to{stroke-dashoffset:-56}}
.flow-out{stroke-dasharray:2 12;animation:flowOut 4.4s linear infinite}
@keyframes flowOut{to{stroke-dashoffset:56}}
.orbit{transform-origin:310px 300px;animation:spin 68s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.pulse{animation:pulse 4.4s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:.28}50%{opacity:.62}}
.node-svg{transition:transform .35s var(--ease)}
.env-node:hover .node-svg{transform:translateY(-3px)}
.env-node:hover .node-ring{stroke:var(--cyan);stroke-opacity:.9}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width:1080px){
  .nav__link{padding:.5rem .58rem;font-size:.81rem}
  .nav__link.is-active::after{left:.58rem;right:.58rem}
  .nav__cta{margin-left:.4rem;padding:.58rem 1rem;font-size:.81rem}
  .brand__name{font-size:1rem}
  .agents{grid-template-columns:repeat(3,1fr)}
  .loop{grid-template-columns:repeat(4,1fr)}
  .families{grid-template-columns:repeat(2,1fr)}
  .chain{grid-template-columns:repeat(2,1fr)}
  .chain__arrow{display:none}
}
@media (max-width:960px){
  .nav__links{display:none}
  .nav__toggle{display:flex}
  .hero__grid{grid-template-columns:1fr;gap:2.6rem}
  .hero__visual{max-width:520px;margin:0 auto;width:100%}
  .gap-grid{grid-template-columns:1fr;gap:2.6rem}
  .tl__panel.is-active{grid-template-columns:1fr;gap:1.6rem}
  .waist__row--3{grid-template-columns:1fr}
  .waist__row--2{grid-template-columns:1fr;max-width:100%}
  .cmodel{grid-template-columns:1fr}
  .explain{grid-template-columns:1fr}
  .src{grid-template-columns:1fr;gap:2.4rem}
  .src__quote{grid-template-columns:1fr;gap:1.2rem}
  .arch__band{grid-template-columns:52px 1fr;gap:1.1rem;row-gap:1.2rem}
  .arch__band p{grid-column:1/-1;padding-top:1rem;border-top:1px solid var(--rule-soft)}
  .arch__letter{width:44px;height:44px;font-size:1rem}
  .agent-note{grid-template-columns:1fr;gap:1.4rem}
  .explorer__grid{grid-template-columns:1fr}
  .ind-detail{position:static;order:-1}
  .ind-list{max-height:none;overflow:visible;grid-template-columns:repeat(2,1fr);display:grid}
  .effects{grid-template-columns:1fr}
  .advantages__grid{grid-template-columns:1fr}
  .footer__grid{grid-template-columns:repeat(2,1fr);gap:2.4rem}
}
@media (max-width:880px){
  /* capability matrix -> stacked cards */
  .matrix-wrap{border:0;background:none}
  .matrix thead{display:none}
  .matrix,.matrix tbody,.matrix tr,.matrix th,.matrix td{display:block;width:auto}
  .matrix tr{border:1px solid var(--rule);border-radius:var(--r);background:var(--surf);margin-bottom:.85rem;padding:1.2rem 1.3rem}
  .matrix tr.is-us{border-color:rgba(77,216,255,.45)}
  .matrix th[scope="row"]{width:auto;padding:0 0 1rem;border-bottom:1px solid var(--rule-soft)}
  .matrix td{
    display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.62rem 0;
    border-bottom:1px solid var(--rule-soft);text-align:right;
  }
  .matrix td:last-child{border-bottom:0}
  .matrix td::before{
    content:attr(data-label);font-family:var(--mono);font-size:.66rem;letter-spacing:.12em;
    text-transform:uppercase;color:var(--fg-mute);text-align:left;
  }
  .legend{justify-content:flex-start}
}
@media (max-width:760px){
  :root{--nav-h:60px}
  .tl__rail{grid-template-columns:repeat(2,1fr);gap:1.2rem .5rem}
  .tl__rail::before{display:none}
  .agents{grid-template-columns:repeat(2,1fr)}
  .loop{grid-template-columns:repeat(2,1fr)}
  .agent-note ul{grid-template-columns:1fr}
  .tl__facts div{grid-template-columns:1fr;gap:.25rem}
  .pack__row{grid-template-columns:1fr;gap:.2rem}
  .src__principles div{grid-template-columns:1fr;gap:.25rem}
  .ind-detail dl div{grid-template-columns:1fr;gap:.3rem}
  .advantages__grid div{grid-template-columns:1fr;gap:.25rem}
  .hero__pos{font-size:.68rem}
}
@media (max-width:560px){
  .chain{grid-template-columns:1fr}
  .families{grid-template-columns:1fr}
  .ind-list{grid-template-columns:1fr}
  .footer__grid{grid-template-columns:1fr;gap:2rem}
  .agents{grid-template-columns:1fr}
  .btn{width:100%}
  .btn-row{gap:.7rem}
  .nav__cta{width:auto}
  .statement{font-size:1.1rem}
  .legend{gap:.9rem}
}

/* Reduced motion */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}
  .reveal{opacity:1!important;transform:none!important}
  .flow-in,.flow-out,.orbit,.pulse{animation:none!important}
}