/* ═══════════════════════════════════════════════════════════════════════════
   Bio-Babel — site styles
   Dark, architectural, monospace-labelled. Violet is the tower (the ports);
   gold is the spire (the contract layer that reaches the agent).
   ═══════════════════════════════════════════════════════════════════════════ */

:root{
  /* surfaces */
  --ink-900:#08090D;
  --ink-850:#0B0E14;
  --ink-800:#0D1117;
  --ink-750:#11151E;
  --ink-700:#161B25;
  --ink-600:#1C222E;

  /* strokes */
  --line:rgba(255,255,255,.075);
  --line-2:rgba(255,255,255,.14);

  /* type */
  --text:#E8EDF6;
  --text-2:#96A0B4;
  --text-3:#68748A;

  /* accents */
  --violet:#8B5CF6;
  --violet-2:#A78BFA;
  --violet-3:#6D4BF2;
  --violet-soft:rgba(139,92,246,.14);
  --gold:#F2C879;
  --gold-2:#E0A85F;
  --gold-soft:rgba(242,200,121,.13);
  --cyan:#22D3EE;

  --sans:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI Variable Text","Segoe UI",
         Roboto,"Helvetica Neue",Arial,"Noto Sans",sans-serif;
  --mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,"Liberation Mono",
         "Roboto Mono",monospace;

  --wrap:1240px;
  --r:14px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:88px;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--ink-900);color:var(--text);
  font-family:var(--sans);font-size:16px;line-height:1.7;font-weight:400;
  letter-spacing:-.011em;-webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;overflow-x:hidden;
}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
code{font-family:var(--mono);font-size:.885em;letter-spacing:-.01em}
p code,li code,td code{
  background:rgba(139,92,246,.11);color:#C9B6FF;
  padding:.12em .42em;border-radius:5px;border:1px solid rgba(139,92,246,.16);
}
strong,b{font-weight:650;color:#F3F6FC}
em{font-style:italic}
::selection{background:rgba(139,92,246,.34);color:#fff}

.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 28px}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--violet);color:#fff;
  padding:10px 16px;border-radius:0 0 8px 0;z-index:100}
.skip-link:focus{left:0}
:focus-visible{outline:2px solid var(--violet-2);outline-offset:3px;border-radius:6px}

/* ─────────────────────────────────────────────────────────────── buttons ─ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.55rem;
  padding:.62rem 1.25rem;border-radius:999px;border:1px solid transparent;
  font-family:var(--mono);font-size:.775rem;font-weight:500;
  text-transform:uppercase;letter-spacing:.11em;white-space:nowrap;
  transition:all .22s var(--ease);cursor:pointer;
}
.btn--solid{background:#FFFCF2;color:#14161C;border-color:#FFFCF2}
.btn--solid:hover{transform:translateY(-2px);box-shadow:0 10px 30px rgba(255,255,255,.14)}
.btn--outline{border-color:rgba(255,255,255,.24);color:var(--text)}
.btn--outline:hover{background:rgba(255,255,255,.07);border-color:rgba(255,255,255,.45)}
.btn--ghost{border-color:var(--line-2);color:var(--text-2);padding:.5rem 1rem;font-size:.72rem}
.btn--ghost:hover{color:var(--text);background:rgba(255,255,255,.05);border-color:rgba(255,255,255,.28)}

/* ─────────────────────────────────────────────────────────────────── nav ─ */
.nav{
  position:fixed;inset:0 0 auto 0;z-index:60;
  border-bottom:1px solid transparent;transition:all .3s var(--ease);
}
.nav.is-stuck{
  background:rgba(8,9,13,.78);backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);border-bottom-color:var(--line);
}
.nav__inner{
  max-width:var(--wrap);margin:0 auto;padding:16px 28px;
  display:flex;align-items:center;gap:2rem;transition:padding .3s var(--ease);
}
.nav.is-stuck .nav__inner{padding:11px 28px}

.brand{display:inline-flex;align-items:center;gap:.62rem;flex-shrink:0}
.brand__mark{width:34px;height:34px;transition:transform .4s var(--ease)}
.brand:hover .brand__mark{transform:translateY(-2px) scale(1.05)}
.brand__word{font-size:1.03rem;font-weight:680;letter-spacing:-.028em;color:#FFFCF2}
.brand__word i{color:var(--violet-2);font-style:normal}

.nav__links{display:flex;gap:.35rem;margin-left:auto}
.nav__links a{
  position:relative;padding:.45rem .78rem;border-radius:8px;
  font-size:.855rem;color:var(--text-2);font-weight:450;transition:color .2s,background .2s;
}
.nav__links a:hover{color:var(--text);background:rgba(255,255,255,.05)}
.nav__links a.is-active{color:#fff}
.nav__links a.is-active::after{
  content:"";position:absolute;left:.78rem;right:.78rem;bottom:.16rem;height:1.5px;
  background:linear-gradient(90deg,var(--violet),var(--gold));border-radius:2px;
}
.nav__actions{display:flex;align-items:center;gap:.6rem}
.nav__burger{display:none;flex-direction:column;gap:4px;width:36px;height:32px;
  align-items:center;justify-content:center;background:none;border:1px solid var(--line-2);
  border-radius:9px;cursor:pointer}
.nav__burger span{display:block;width:15px;height:1.5px;background:var(--text-2);
  border-radius:2px;transition:transform .25s var(--ease),opacity .2s}
.nav__burger[aria-expanded="true"] span:nth-child(1){transform:translateY(5.5px) rotate(45deg)}
.nav__burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav__burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-5.5px) rotate(-45deg)}

/* ────────────────────────────────────────────────────────────────── hero ─ */
.hero{
  position:relative;min-height:100svh;display:flex;align-items:center;
  padding:150px 0 96px;overflow:hidden;border-bottom:1px solid var(--line);
}
.hero__bg{position:absolute;inset:0;pointer-events:none}
.hero__grid{
  position:absolute;inset:-1px;
  background-image:linear-gradient(to right,rgba(255,255,255,.032) 1px,transparent 1px),
                   linear-gradient(to bottom,rgba(255,255,255,.032) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(ellipse 90% 70% at 50% 40%,#000 25%,transparent 100%);
  -webkit-mask-image:radial-gradient(ellipse 90% 70% at 50% 40%,#000 25%,transparent 100%);
}
.hero__glow{position:absolute;border-radius:50%;filter:blur(90px)}
.hero__glow--a{width:min(760px,90vw);height:520px;left:-14%;top:-8%;
  background:radial-gradient(circle,rgba(109,75,242,.30),transparent 68%)}
.hero__glow--b{width:min(620px,80vw);height:460px;right:-8%;bottom:-14%;
  background:radial-gradient(circle,rgba(242,200,121,.10),transparent 68%)}
.hero__ghost{
  position:absolute;right:-3%;bottom:-9%;width:min(540px,50vw);height:auto;
  opacity:.045;filter:drop-shadow(0 0 80px rgba(139,92,246,.5));
  animation:floaty 16s ease-in-out infinite;
}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-16px)}}
.hero__vignette{position:absolute;inset:0;
  background:radial-gradient(ellipse 120% 80% at 50% 30%,transparent 40%,var(--ink-900) 100%)}
.hero__inner{position:relative;z-index:1;max-width:1000px}

.pill{
  display:inline-flex;align-items:center;gap:.6rem;padding:.42rem .95rem .42rem .72rem;
  border:1px solid rgba(255,255,255,.13);border-radius:999px;
  background:rgba(255,255,255,.035);backdrop-filter:blur(8px);
  font-size:.79rem;color:var(--text-2);transition:all .22s var(--ease);
  animation:rise .8s var(--ease) both;
}
.pill:hover{border-color:rgba(139,92,246,.5);background:rgba(139,92,246,.09);color:var(--text)}
.pill__dot{width:6px;height:6px;border-radius:50%;background:#3FD98B;
  box-shadow:0 0 0 3px rgba(63,217,139,.16);animation:pulse 2.4s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.42}}
.pill__sep{width:1px;height:12px;background:var(--line-2)}
.pill__mono{font-family:var(--mono);font-size:.73rem;color:var(--gold);letter-spacing:.02em}
.pill__arrow{color:var(--text-3);transition:transform .22s var(--ease)}
.pill:hover .pill__arrow{transform:translateX(3px);color:var(--violet-2)}

.hero__title{
  margin:1.6rem 0 0;font-size:clamp(2.4rem,5.9vw,4.15rem);line-height:1.08;
  font-weight:700;letter-spacing:-.038em;
  background:linear-gradient(180deg,#FFFFFF 8%,rgba(255,255,255,.62) 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  animation:rise .9s .06s var(--ease) both;
}
.hero__title em{
  font-style:normal;
  background:linear-gradient(96deg,var(--violet-2) 6%,var(--gold) 92%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero__sub+.hero__sub{margin-top:.95rem;animation-delay:.2s}
.hero__sub{
  margin:1.5rem 0 0;max-width:64ch;font-size:1.09rem;line-height:1.72;color:var(--text-2);
  animation:rise .9s .14s var(--ease) both;
}
.hero__cta{display:flex;flex-wrap:wrap;gap:.75rem;margin-top:2.1rem;
  animation:rise .9s .22s var(--ease) both}
@keyframes rise{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}

.copychip{
  display:inline-flex;align-items:center;gap:.6rem;margin-top:1.6rem;
  padding:.6rem .9rem;border:1px solid var(--line);border-radius:11px;
  background:rgba(255,255,255,.028);color:var(--text-2);cursor:pointer;
  font-family:var(--mono);font-size:.8rem;position:relative;
  transition:all .22s var(--ease);animation:rise .9s .3s var(--ease) both;
}
.copychip:hover{border-color:rgba(139,92,246,.4);background:rgba(139,92,246,.07);color:var(--text)}
.copychip__prompt{color:var(--violet-2)}
.copychip code{background:none;border:none;padding:0;color:inherit}
.copychip__icon{color:var(--text-3);display:flex}
.copychip__ok{
  position:absolute;right:.9rem;font-size:.7rem;color:#3FD98B;letter-spacing:.06em;
  opacity:0;transform:translateY(3px);transition:all .2s;text-transform:uppercase;
  background:var(--ink-800);padding-left:.5rem;
}
.copychip.is-copied .copychip__ok{opacity:1;transform:none}
.copychip--sm{margin-top:0;font-size:.735rem;padding:.5rem .8rem;animation:none}  /* a mid-page utility button must never depend on an entrance animation */

.hero__verse{
  margin:2.6rem 0 0;padding-left:1rem;border-left:2px solid rgba(242,200,121,.32);
  font-size:.9rem;color:var(--text-3);font-style:italic;max-width:52ch;
  animation:rise .9s .38s var(--ease) both;
}
.hero__verse span{display:block;font-style:normal;font-family:var(--mono);
  font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;color:var(--gold-2);
  margin-top:.35rem;opacity:.7}

/* ───────────────────────────────────────────────────────────────── stats ─ */
.stats{border-bottom:1px solid var(--line);background:var(--ink-850)}
.stats__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.stat{padding:2.1rem 1.2rem;text-align:center;border-right:1px solid var(--line)}
.stat:last-child{border-right:none}
.stat b{display:block;font-size:clamp(1.6rem,3vw,2.3rem);font-weight:700;
  letter-spacing:-.035em;line-height:1.1;
  background:linear-gradient(180deg,#FFFCF2,rgba(255,252,242,.55));
  -webkit-background-clip:text;background-clip:text;color:transparent}
.stat span{display:block;margin-top:.3rem;font-family:var(--mono);font-size:.7rem;
  letter-spacing:.1em;text-transform:uppercase;color:var(--text-3)}

/* ────────────────────────────────────────────────────────────── sections ─ */
.section{padding:112px 0;position:relative}
.section--alt{background:var(--ink-850);border-block:1px solid var(--line)}
.eyebrow{
  margin:0 0 1rem;font-family:var(--mono);font-size:.71rem;letter-spacing:.19em;
  text-transform:uppercase;color:var(--violet-2);display:flex;align-items:center;gap:.7rem;
}
.eyebrow::before{content:"";width:22px;height:1px;background:linear-gradient(90deg,var(--violet),transparent)}
.h2{margin:0;font-size:clamp(1.85rem,3.7vw,2.85rem);line-height:1.17;font-weight:680;
  letter-spacing:-.032em;color:#FFFCF2;max-width:22ch}
.h3{margin:0 0 .6rem;font-size:1.16rem;font-weight:640;letter-spacing:-.022em;color:#F3F6FC}
.lede{margin:1.2rem 0 0;max-width:70ch;font-size:1.03rem;line-height:1.76;color:var(--text-2)}
.muted{color:var(--text-2)}

/* reveal-on-scroll */
.reveal{opacity:0;transform:translateY(22px)}
.reveal.is-in{opacity:1;transform:none;transition:opacity .7s var(--ease),transform .7s var(--ease)}

/* ───────────────────────────────────────────────────────────────── cards ─ */
.cards{display:grid;gap:20px;margin-top:3rem}
.cards--3{grid-template-columns:repeat(3,1fr)}
.cards--4{grid-template-columns:repeat(4,1fr)}
.card{
  padding:1.9rem;border:1px solid var(--line);border-radius:var(--r);
  background:linear-gradient(160deg,rgba(255,255,255,.032),rgba(255,255,255,.008));
  transition:transform .3s var(--ease),border-color .3s,box-shadow .3s;position:relative;
}
.card:hover{transform:translateY(-4px);border-color:rgba(139,92,246,.32);
  box-shadow:0 18px 44px rgba(109,75,242,.14)}
.card h3{margin:0 0 .6rem;font-size:1.08rem;font-weight:640;letter-spacing:-.022em;color:#F3F6FC}
.card p{margin:0;font-size:.94rem;line-height:1.72;color:var(--text-2)}
.card__ico{width:42px;height:42px;border-radius:11px;display:grid;place-items:center;
  margin-bottom:1.15rem;border:1px solid var(--line-2)}
.card__ico svg{width:21px;height:21px}
.card__ico--violet{background:var(--violet-soft);color:var(--violet-2);border-color:rgba(139,92,246,.28)}
.card__ico--gold{background:var(--gold-soft);color:var(--gold);border-color:rgba(242,200,121,.26)}
.card__ico--cyan{background:rgba(34,211,238,.11);color:var(--cyan);border-color:rgba(34,211,238,.24)}
.card--num{padding-top:2.3rem}
.card__num{position:absolute;top:1.25rem;right:1.5rem;font-family:var(--mono);
  font-size:1.6rem;font-weight:600;color:rgba(255,255,255,.07);letter-spacing:-.03em}

/* ─────────────────────────────────────────────────────── the ziggurat ── */
.zig{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);gap:56px;
  align-items:center;margin-top:3.4rem}
.zig__tower{display:flex;flex-direction:column;align-items:center;gap:9px;
  padding:2rem 0 2.6rem;position:relative}
.zig__tower::after{
  content:"";position:absolute;left:12%;right:12%;bottom:.7rem;height:26px;border-radius:50%;
  background:radial-gradient(ellipse,rgba(139,92,246,.22),transparent 70%);filter:blur(8px);
}
.zig__tier{
  width:var(--w,100%);height:62px;display:flex;align-items:center;justify-content:space-between;
  padding:0 1.25rem;border-radius:11px;cursor:pointer;font:inherit;text-align:left;
  border:1px solid rgba(139,92,246,.24);
  background:linear-gradient(150deg,rgba(139,92,246,.16),rgba(109,75,242,.07));
  color:var(--text-2);transition:all .38s var(--ease);
}
.zig__tier:hover{transform:translateY(-2px)}
.zig__tier.is-on{
  border-color:rgba(167,139,250,.7);color:#fff;
  background:linear-gradient(150deg,rgba(139,92,246,.42),rgba(109,75,242,.22));
  box-shadow:0 12px 34px rgba(109,75,242,.28);transform:translateY(-2px) scale(1.015);
}
.zig__tier--spire{
  width:46%;height:54px;justify-content:center;
  border-color:rgba(242,200,121,.32);
  background:linear-gradient(150deg,rgba(242,200,121,.17),rgba(224,168,95,.06));
  color:var(--gold);
}
.zig__tier--spire.is-on{
  border-color:rgba(242,200,121,.75);
  background:linear-gradient(150deg,rgba(242,200,121,.34),rgba(224,168,95,.14));
  box-shadow:0 12px 34px rgba(224,168,95,.24);color:#FFE9C0;
}
.zig__label{font-family:var(--mono);font-size:.775rem;letter-spacing:.09em;text-transform:uppercase}
.zig__n{font-family:var(--mono);font-size:.74rem;opacity:.55}

.zig__panel{position:relative;min-height:330px}
.zig__detail{display:none}
.zig__detail.is-on{display:block;animation:rise .45s var(--ease) both}
.zig__kicker{margin:0 0 .5rem;font-family:var(--mono);font-size:.7rem;letter-spacing:.15em;
  text-transform:uppercase;color:var(--gold-2)}
.zig__detail h3{margin:0 0 .7rem;font-size:1.42rem;font-weight:660;letter-spacing:-.028em;color:#FFFCF2}
.zig__detail>p{margin:0;color:var(--text-2);font-size:.98rem;line-height:1.74}
.zig__pkgs{list-style:none;margin:1.4rem 0 0;padding:0;display:grid;gap:1px;
  border:1px solid var(--line);border-radius:11px;overflow:hidden;background:var(--line)}
.zig__pkgs li{display:flex;justify-content:space-between;align-items:center;gap:1rem;
  padding:.72rem 1rem;background:var(--ink-800);font-size:.86rem}
.zig__pkgs li code{background:none;border:none;padding:0;color:var(--violet-2);font-size:.86rem}
.zig__pkgs li span{color:var(--text-3);font-size:.8rem;text-align:right}
.zig__pkgs li span code{color:var(--text-3)}

/* ────────────────────────────────────────────────────────────────── flow ─ */
.flow{margin-top:5.5rem;padding-top:3.4rem;border-top:1px solid var(--line)}
.flow__title{margin:0 0 2rem;font-size:1.2rem;font-weight:620;letter-spacing:-.022em;color:#F3F6FC}
.flow__steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:0}
.flow__step{position:relative;padding:0 1.6rem;border-left:1px solid var(--line)}
.flow__step:last-child{border-right:1px solid var(--line)}
.flow__step::before{
  content:"";position:absolute;left:-4px;top:0;width:7px;height:7px;border-radius:50%;
  background:var(--violet);box-shadow:0 0 0 4px rgba(139,92,246,.13);
}
.flow__step:nth-child(3)::before{
  background:var(--gold);box-shadow:0 0 0 4px rgba(242,200,121,.13)}
.flow__n{font-family:var(--mono);font-size:.72rem;letter-spacing:.16em;color:var(--text-3)}
.flow__step h4{margin:.5rem 0 .55rem;font-size:1.02rem;font-weight:640;letter-spacing:-.02em;color:#F3F6FC}
.flow__step p{margin:0;font-size:.885rem;line-height:1.68;color:var(--text-2)}

/* ───────────────────────────────────────────────────────────── libraries ─ */
.filters{display:flex;flex-wrap:wrap;gap:.5rem;margin:2.4rem 0 2rem}
.filters__btn{
  padding:.46rem .95rem;border-radius:999px;border:1px solid var(--line-2);
  background:transparent;color:var(--text-2);cursor:pointer;
  font-family:var(--mono);font-size:.735rem;letter-spacing:.07em;text-transform:uppercase;
  transition:all .22s var(--ease);display:inline-flex;align-items:center;gap:.45rem;
}
.filters__btn span{opacity:.5;font-size:.68rem}
.filters__btn:hover{color:var(--text);border-color:rgba(255,255,255,.3)}
.filters__btn.is-active{background:#FFFCF2;border-color:#FFFCF2;color:#14161C}
.filters__btn.is-active span{opacity:.6}

.libs{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.lib{
  position:relative;display:flex;flex-direction:column;padding:1.5rem 1.5rem 1.25rem;
  border:1px solid var(--line);border-radius:var(--r);overflow:hidden;
  background:linear-gradient(160deg,rgba(255,255,255,.03),rgba(255,255,255,.006));
  transition:transform .3s var(--ease),border-color .3s,box-shadow .3s,opacity .3s;
}
.lib::before{
  content:"";position:absolute;inset:0 0 auto 0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(139,92,246,.55),transparent);
  opacity:0;transition:opacity .3s;
}
.lib:hover{transform:translateY(-4px);border-color:rgba(139,92,246,.3);
  box-shadow:0 18px 40px rgba(0,0,0,.4)}
.lib:hover::before{opacity:1}
.lib.is-hidden{display:none}
.lib__top{display:flex;align-items:center;justify-content:space-between;margin-bottom:.9rem}
.lib__badge{font-family:var(--mono);font-size:.63rem;letter-spacing:.13em;text-transform:uppercase;
  padding:.22rem .55rem;border-radius:5px;border:1px solid transparent}
.lib__badge--foundation{background:rgba(34,211,238,.11);color:var(--cyan);border-color:rgba(34,211,238,.24)}
.lib__badge--grammar{background:var(--gold-soft);color:var(--gold);border-color:rgba(242,200,121,.28)}
.lib__badge--ext{background:var(--violet-soft);color:var(--violet-2);border-color:rgba(139,92,246,.28)}
.lib__badge--analysis{background:rgba(63,217,139,.1);color:#4FDE97;border-color:rgba(63,217,139,.22)}
.lib__tier{font-family:var(--mono);font-size:.66rem;letter-spacing:.1em;color:var(--text-3);text-transform:uppercase}
.lib__name{margin:0;font-size:1.07rem;font-weight:660;letter-spacing:-.024em;color:#FFFCF2;
  font-family:var(--mono)}
.lib__from{margin:.35rem 0 .85rem;font-size:.775rem;color:var(--text-3)}
.lib__from code{background:none;border:none;padding:0;color:var(--text-2)}
.lib__blurb{margin:0;font-size:.885rem;line-height:1.68;color:var(--text-2);flex:1}
.lib__bot{display:flex;align-items:center;gap:.85rem;margin-top:1.15rem;padding-top:.95rem;
  border-top:1px solid var(--line)}
.lib__meta{font-family:var(--mono);font-size:.7rem;color:var(--text-3);letter-spacing:.02em}
.lib__meta b{color:var(--text);font-weight:600}
.lib__meta--v{white-space:nowrap}
.lib__links{margin-left:auto;display:flex;gap:.55rem}
.lib__links a{color:var(--text-3);transition:color .2s,transform .2s}
.lib__links a:hover{color:var(--violet-2);transform:translateY(-1px)}
.lib__copy{
  display:flex;align-items:center;justify-content:space-between;gap:.6rem;width:100%;
  margin-top:.85rem;padding:.5rem .7rem;border-radius:9px;cursor:pointer;
  border:1px solid var(--line);background:rgba(0,0,0,.25);color:var(--text-3);
  font-family:var(--mono);font-size:.71rem;transition:all .22s var(--ease);
}
.lib__copy span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.lib__copy:hover{color:var(--text);border-color:rgba(139,92,246,.35);background:rgba(139,92,246,.08)}
.lib__copy.is-copied{color:#3FD98B;border-color:rgba(63,217,139,.35)}
.libs__note{margin:2.4rem 0 0;padding:1rem 1.2rem;border-radius:11px;font-size:.9rem;
  color:var(--text-2);border:1px solid rgba(242,200,121,.2);background:rgba(242,200,121,.05)}

/* ──────────────────────────────────────────────── the three systems ────── */
.sys{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:3rem}
.sys__card{
  display:flex;flex-direction:column;padding:1.6rem;border:1px solid var(--line);
  border-radius:var(--r);position:relative;overflow:hidden;
  background:linear-gradient(160deg,rgba(255,255,255,.032),rgba(255,255,255,.006));
  transition:transform .3s var(--ease),border-color .3s,box-shadow .3s;
}
.sys__card:hover{transform:translateY(-4px);border-color:rgba(139,92,246,.3);
  box-shadow:0 18px 40px rgba(0,0,0,.4)}
.sys__top{display:flex;align-items:center;justify-content:space-between;margin-bottom:1rem}
.sys__role{font-family:var(--mono);font-size:.63rem;letter-spacing:.13em;text-transform:uppercase;
  padding:.22rem .55rem;border-radius:5px;border:1px solid transparent}
.sys__role--build{background:var(--violet-soft);color:var(--violet-2);border-color:rgba(139,92,246,.28)}
.sys__role--read{background:var(--gold-soft);color:var(--gold);border-color:rgba(242,200,121,.28)}
.sys__n{font-family:var(--mono);font-size:.7rem;letter-spacing:.12em;color:var(--text-3)}
.sys__name{margin:0 0 .7rem;font-family:var(--mono);font-size:1.02rem;font-weight:660;
  letter-spacing:-.02em;color:#FFFCF2}
.sys__card p{margin:0;font-size:.885rem;line-height:1.68;color:var(--text-2);flex:1}
.sys__cta{display:inline-flex;align-items:center;align-self:flex-start;margin-top:1.4rem;
  padding:.42rem .9rem;border-radius:999px;font-family:var(--mono);font-size:.68rem;
  letter-spacing:.1em;text-transform:uppercase;transition:all .22s var(--ease)}
a.sys__cta{border:1px solid rgba(242,200,121,.32);color:var(--gold)}
a.sys__cta:hover{background:var(--gold-soft);border-color:rgba(242,200,121,.62)}
.sys__cta--soon{border:1px dashed var(--line-2);color:var(--text-3);cursor:default}

/* ───────────────────────────────────────────────────────────── contracts ─ */
.split{display:grid;grid-template-columns:minmax(0,1.02fr) minmax(0,1fr);gap:48px;margin-top:3.4rem;
  align-items:start}
.split__code{display:grid;gap:18px;position:sticky;top:96px}
.code{border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:var(--ink-800)}
.code__bar{display:flex;align-items:center;gap:.8rem;padding:.6rem .95rem;
  border-bottom:1px solid var(--line);background:rgba(255,255,255,.022)}
.code__dots{display:flex;gap:.35rem}
.code__dots i{width:8px;height:8px;border-radius:50%;background:rgba(255,255,255,.13)}
.code__name{font-family:var(--mono);font-size:.72rem;color:var(--text-3);letter-spacing:.03em}
.code__body{margin:0;padding:1.1rem 1.2rem;overflow-x:auto;font-family:var(--mono);
  font-size:.775rem;line-height:1.85;color:var(--text-2)}
.code__body code{background:none;border:none;padding:0;font-size:inherit;color:inherit;white-space:pre}
.t-d{color:#3E4757}.t-f{color:#C9B6FF}.t-c{color:#5D6A80}.t-k{color:#7DD3FC}
.t-fn{color:var(--gold)}.t-s{color:#8ADFA8}.t-n{color:#F0A868}
.t-bad{color:#FF7B72}.t-ok{color:#3FD98B}
.code--term .code__body{font-size:.755rem}

.split__text>.h3{margin-top:0}
.split__text>.h3:not(:first-child){margin-top:2.6rem}
.tools{display:grid;gap:14px;margin:1.4rem 0 0}
.tools__group{border:1px solid var(--line);border-radius:11px;padding:1rem 1.15rem;
  background:rgba(255,255,255,.018)}
.tools__head{margin:0 0 .6rem;display:flex;align-items:center;gap:.5rem;
  font-family:var(--mono);font-size:.71rem;letter-spacing:.13em;text-transform:uppercase;
  color:var(--text-2)}
.tools__head b{margin-left:auto;color:var(--text-3);font-weight:500}
.dot{width:6px;height:6px;border-radius:50%}
.dot--violet{background:var(--violet)}.dot--gold{background:var(--gold)}.dot--cyan{background:var(--cyan)}
.tools__group ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:.4rem}
.tools__group li{font-family:var(--mono);font-size:.735rem;color:var(--text-2)}
.tools__group li code{background:rgba(255,255,255,.045);border:1px solid var(--line);
  color:var(--text-2);padding:.16em .45em;border-radius:5px;font-size:.735rem}
.tools__group li .muted{font-family:var(--sans);font-size:.75rem}

.checks{list-style:none;margin:1.3rem 0 0;padding:0;display:grid;gap:.8rem}
.checks li{position:relative;padding-left:1.65rem;font-size:.9rem;line-height:1.66;color:var(--text-2)}
.checks li::before{
  content:"";position:absolute;left:0;top:.55rem;width:8px;height:8px;border-radius:2px;
  background:linear-gradient(135deg,var(--violet),var(--violet-3));
  box-shadow:0 0 0 3px rgba(139,92,246,.12);
}
.split__cta{display:flex;flex-wrap:wrap;align-items:center;gap:.7rem;margin-top:2.2rem}

/* ─────────────────────────────────────────── subsection inside a section ─ */
.subsection{margin-top:5rem;padding-top:3.2rem;border-top:1px solid var(--line)}
.subsection__title{margin:0 0 .75rem;font-size:clamp(1.35rem,2.4vw,1.72rem);font-weight:660;
  letter-spacing:-.028em;color:#FFFCF2}
.lede--tight{margin-top:0;font-size:.97rem}

/* ───────────────────────────────────────────────────────────── benchmark ─ */
.bench{margin-top:3.2rem;border:1px solid var(--line);border-radius:18px;overflow:hidden;
  background:var(--ink-850)}
.bench__switch{display:flex;border-bottom:1px solid var(--line)}
.bench__tab{
  flex:1;padding:1.05rem 1.4rem;background:transparent;border:none;cursor:pointer;
  text-align:left;color:var(--text-3);font-family:var(--mono);font-size:.8rem;
  letter-spacing:.1em;text-transform:uppercase;position:relative;transition:all .25s var(--ease);
}
.bench__tab+.bench__tab{border-left:1px solid var(--line)}
.bench__tab span{display:block;margin-top:.2rem;font-size:.68rem;letter-spacing:.05em;
  text-transform:none;opacity:.62;font-family:var(--sans)}
.bench__tab:hover{color:var(--text-2);background:rgba(255,255,255,.02)}
.bench__tab.is-active{color:#FFFCF2;background:rgba(139,92,246,.07)}
.bench__tab.is-active::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;
  background:linear-gradient(90deg,var(--violet),var(--gold))}
.bench__note{margin:0;padding:1.05rem 1.6rem;font-size:.9rem;color:var(--text-2);
  border-bottom:1px solid var(--line);background:rgba(0,0,0,.16)}
.bench__note.is-hidden{display:none}
.bench__body{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);gap:0}
.bench__bars{padding:2rem 1.9rem;border-right:1px solid var(--line);display:grid;gap:1.5rem;align-content:start}
.bar__head{display:flex;justify-content:space-between;align-items:baseline;gap:1rem;margin-bottom:.4rem}
.bar__val{font-family:var(--mono);font-size:.95rem;font-weight:600;color:#FFFCF2;line-height:1}
.bar__track{height:9px;border-radius:6px;background:rgba(255,255,255,.055);overflow:hidden}
.bar__fill{height:100%;border-radius:6px;width:0;transition:width 1.1s var(--ease)}
.bar--base .bar__fill{background:linear-gradient(90deg,#41495B,#5C6880)}
.bar--bb .bar__fill{background:linear-gradient(90deg,var(--violet-3),var(--violet-2) 60%,var(--gold))}
.bar__arm{font-family:var(--mono);font-size:.68rem;letter-spacing:.11em;text-transform:uppercase;
  color:var(--text-3)}
.bar__group{padding-bottom:.2rem}
.bar__group+.bar__group{border-top:1px solid var(--line);padding-top:1.4rem}

.bench__table-wrap{padding:2rem 1.9rem}
.bench__table{width:100%;border-collapse:collapse;font-size:.875rem}
.bench__table th{text-align:right;padding:.55rem .5rem;font-family:var(--mono);font-size:.68rem;
  letter-spacing:.12em;text-transform:uppercase;color:var(--text-3);
  border-bottom:1px solid var(--line-2);font-weight:500}
.bench__table th:first-child{text-align:left}
.bench__table td{text-align:right;padding:.62rem .5rem;border-bottom:1px solid var(--line);
  color:var(--text-2);font-family:var(--mono);font-size:.83rem}
.bench__table td:first-child{text-align:left;font-family:var(--sans);color:var(--text-2)}
.bench__table tr:last-child td{border-bottom:none}
.bench__table .win{color:#FFFCF2;font-weight:650}
.bench__table .delta{color:#4FDE97}
.bench__table .delta--cost{color:var(--gold-2)}
.bench__foot{margin:1.2rem 0 0;font-size:.78rem;line-height:1.7;color:var(--text-3)}
.bench__honest{margin:1.8rem 0 0;padding:1.1rem 1.3rem;border-radius:12px;font-size:.92rem;
  line-height:1.72;color:var(--text-2);border:1px solid var(--line);background:rgba(255,255,255,.02)}
.bench__honest b{color:var(--gold);font-family:var(--mono);font-size:.9em}

/* ────────────────────────────────────────────────────────────────── loop ─ */
.loop{margin-top:4.4rem;padding-top:3rem;border-top:1px solid var(--line)}
.loop__row{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:1.6rem}
.loop__item{padding:1.15rem 1.2rem;border:1px solid var(--line);border-radius:12px;
  font-size:.885rem;line-height:1.66;color:var(--text-2);background:rgba(255,255,255,.018)}
.loop__item b{display:block;margin-bottom:.25rem;color:#F3F6FC}
.loop__note{margin:1.6rem 0 0;padding:1rem 1.2rem;border-radius:12px;font-size:.9rem;
  color:var(--text-2);border:1px solid rgba(242,200,121,.2);background:rgba(242,200,121,.05)}
.lock{margin-right:.35rem}

/* ────────────────────────────────────────────────────────────────── join ─ */
.join{list-style:none;margin:3rem 0 0;padding:0;border:1px solid var(--line);
  border-radius:16px;overflow:hidden}
.join__row{display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:1.6rem;
  align-items:center;padding:1.5rem 1.8rem;border-bottom:1px solid var(--line);
  transition:background .25s var(--ease)}
.join__row:last-child{border-bottom:none}
.join__row:hover{background:rgba(139,92,246,.055)}
.join__row--hi{background:linear-gradient(90deg,rgba(242,200,121,.07),transparent 60%)}
.join__row--hi:hover{background:linear-gradient(90deg,rgba(242,200,121,.11),transparent 60%)}
.join__k{font-family:var(--mono);font-size:.8rem;color:var(--text-3);letter-spacing:.1em}
.join__row h3{margin:0 0 .25rem;font-size:1.02rem;font-weight:640;letter-spacing:-.02em;color:#F3F6FC}
.join__row p{margin:0;font-size:.895rem;line-height:1.66;color:var(--text-2)}
.join__go{font-family:var(--mono);font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;
  color:var(--violet-2);white-space:nowrap;padding:.45rem .9rem;border-radius:999px;
  border:1px solid rgba(139,92,246,.3);transition:all .22s var(--ease)}
.join__go:hover{background:rgba(139,92,246,.13);border-color:rgba(139,92,246,.6);color:#fff}

/* ──────────────────────────────────────────────────────────────── closer ─ */
.closer{position:relative;padding:120px 0;text-align:center;overflow:hidden;
  border-top:1px solid var(--line);
  background:radial-gradient(ellipse 70% 100% at 50% 100%,rgba(109,75,242,.2),transparent 62%),var(--ink-900)}
.closer__bg{position:absolute;inset:0;pointer-events:none;opacity:.7}
.closer__inner{position:relative;z-index:1}
.closer__mark{margin:0 auto 1.8rem;width:78px;height:78px;
  filter:drop-shadow(0 10px 34px rgba(139,92,246,.4));animation:floaty 12s ease-in-out infinite}
.closer h2{margin:0 0 2rem;font-size:clamp(1.8rem,4.2vw,3rem);line-height:1.16;font-weight:680;
  letter-spacing:-.034em;
  background:linear-gradient(180deg,#FFFCF2,rgba(255,252,242,.6));
  -webkit-background-clip:text;background-clip:text;color:transparent}
.closer .hero__cta{justify-content:center;animation:none}

/* ──────────────────────────────────────────────────────────────── footer ─ */
.foot{border-top:1px solid var(--line);background:var(--ink-850);padding:64px 0 0}
.foot__inner{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1.85fr);gap:56px}
.foot__brand p{margin:1rem 0 0;font-size:.88rem;line-height:1.7;color:var(--text-2);max-width:38ch}
.foot__status{display:flex;align-items:center;gap:.5rem;font-family:var(--mono);font-size:.7rem;
  letter-spacing:.07em;text-transform:uppercase;white-space:nowrap;color:var(--text-3)!important}
.foot__cols{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}
.foot__cols h4{margin:0 0 1rem;font-family:var(--mono);font-size:.69rem;letter-spacing:.15em;
  text-transform:uppercase;color:var(--text-3);font-weight:500}
.foot__cols a{display:block;padding:.28rem 0;font-size:.885rem;color:var(--text-2);transition:color .2s}
.foot__cols a:hover{color:var(--violet-2)}
.foot__legal{display:flex;flex-wrap:wrap;justify-content:space-between;gap:1rem;
  margin-top:56px;padding-top:1.4rem;padding-bottom:2.4rem;border-top:1px solid var(--line)}
.foot__legal p{margin:0;font-size:.78rem;color:var(--text-3)}
.foot__legal em{color:var(--text-3)}

/* ─────────────────────────────────────────────────────────── responsive ─ */
@media (max-width:1080px){
  .zig{grid-template-columns:1fr;gap:34px}
  .zig__panel{min-height:0}
  .split{grid-template-columns:1fr;gap:34px}
  .split__code{position:static}
  .cards--4{grid-template-columns:repeat(2,1fr)}
  .sys{grid-template-columns:1fr}
  .libs{grid-template-columns:repeat(2,1fr)}
  .bench__body{grid-template-columns:1fr}
  .bench__bars{border-right:none;border-bottom:1px solid var(--line)}
  .loop__row{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:900px){
  .nav__links{
    position:fixed;inset:64px 0 auto 0;flex-direction:column;gap:0;padding:.6rem 20px 1.2rem;
    background:rgba(8,9,13,.96);backdrop-filter:blur(18px);border-bottom:1px solid var(--line);
    transform:translateY(-115%);transition:transform .32s var(--ease);
  }
  .nav__links.is-open{transform:none}
  .nav__links a{padding:.75rem .4rem;font-size:.95rem;border-radius:0}
  .nav__burger{display:flex}
  .nav__gh{display:none}
  .stats__grid{grid-template-columns:repeat(2,1fr)}
  .stat{border-bottom:1px solid var(--line)}
  .stat:nth-child(2n){border-right:none}
  .stat:nth-last-child(-n+2){border-bottom:none}
  .cards--3{grid-template-columns:1fr}
  .foot__inner{grid-template-columns:1fr;gap:36px}
}
@media (max-width:680px){
  .wrap{padding:0 20px}
  .section{padding:80px 0}
  .hero{padding:130px 0 72px}
  .h2{max-width:none}
  .cards--4,.libs,.loop__row{grid-template-columns:1fr}
  .flow__steps{grid-template-columns:1fr}
  .flow__step{border-right:none!important;padding-left:1.3rem}
  .join__row{grid-template-columns:auto minmax(0,1fr);gap:.5rem 1.1rem;padding:1.3rem}
  .join__go{grid-column:2;justify-self:start;margin-top:.7rem}
  .copychip{font-size:.7rem;max-width:100%;overflow:hidden}
  .copychip code{overflow:hidden;text-overflow:ellipsis}
  .zig__tier{height:54px;padding:0 .9rem}
  .bench__tab{padding:.85rem 1rem;font-size:.72rem}
  .bench__bars,.bench__table-wrap{padding:1.4rem 1.2rem}
  .foot__cols{grid-template-columns:1fr;gap:24px}
}

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