/* ---------------------------------------------------------
   acss — governed runtime for small software
--------------------------------------------------------- */

:root{
  --ink:#0b0d10;
  --ink-2:#111419;
  --ink-3:#171b21;
  --paper:#f1ede5;
  --paper-dim:#aaa49a;
  --paper-faint:#716d66;
  --brass:#c89243;
  --brass-bright:#e5b365;
  --brass-wash:rgba(200,146,67,.10);
  --line:rgba(241,237,229,.10);
  --line-strong:rgba(241,237,229,.20);
  --sage:#91b28b;

  --f-display:'Instrument Serif',ui-serif,Georgia,serif;
  --f-body:'Instrument Sans',ui-sans-serif,system-ui,-apple-system,sans-serif;
  --f-mono:'IBM Plex Mono',ui-monospace,'SF Mono',monospace;

  --container:1180px;
  --radius:4px;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important}
}

body{
  margin:0;
  background:
    radial-gradient(circle at 75% 8%,rgba(200,146,67,.055),transparent 28rem),
    var(--ink);
  color:var(--paper);
  font-family:var(--f-body);
  font-size:17px;
  line-height:1.62;
  -webkit-font-smoothing:antialiased;
}

img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
::selection{background:var(--brass);color:var(--ink)}

.skip-link{
  position:absolute;left:-999px;top:0;z-index:200;
  background:var(--brass);color:var(--ink);padding:.6em 1em;font-family:var(--f-mono)
}
.skip-link:focus{left:1rem;top:1rem}
:focus-visible{outline:2px solid var(--brass-bright);outline-offset:3px}

.hero-inner,.trust-inner,.problem-inner,.how-inner,.compare-inner,.features-inner,
.cta-inner,.nav-inner,.footer-inner{
  max-width:var(--container);
  margin:0 auto;
  padding-left:1.75rem;
  padding-right:1.75rem;
}

.eyebrow{
  font-family:var(--f-mono);
  text-transform:uppercase;
  letter-spacing:.13em;
  font-size:.75rem;
  font-weight:500;
  color:var(--brass-bright);
  margin:0 0 1.1rem;
}

h1,h2,h3{font-family:var(--f-display);font-weight:450;color:var(--paper);margin:0}
h2{font-size:clamp(2rem,3.4vw,3rem);line-height:1.08;letter-spacing:-.018em}
h3{line-height:1.2}

.reveal{transition:opacity .7s ease,transform .7s ease}
.js .reveal{opacity:0;transform:translateY(14px)}
.js .reveal.is-visible{opacity:1;transform:none}

/* Header */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(11,13,16,.82);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line)
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:70px}
.brand{display:flex;align-items:center;gap:.58rem;color:var(--brass-bright)}
.brand .seal{width:26px;height:26px;color:var(--brass-bright)}
.brand .wordmark{font-family:var(--f-mono);font-size:1.04rem;letter-spacing:.035em;color:var(--paper)}
.nav-links{display:flex;align-items:center;gap:1.7rem;font-family:var(--f-mono);font-size:.84rem}
.nav-links a:not(.btn){color:var(--paper-dim);transition:color .2s ease}
.nav-links a:not(.btn):hover{color:var(--paper)}

/* Buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.55rem;
  font-family:var(--f-mono);font-size:.86rem;letter-spacing:.01em;
  padding:.78em 1.35em;border-radius:var(--radius);
  border:1px solid transparent;cursor:pointer;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .15s ease;
  white-space:nowrap
}
.btn-primary{background:var(--brass);color:var(--ink);font-weight:600;box-shadow:0 10px 30px rgba(200,146,67,.12)}
.btn-primary:hover{background:var(--brass-bright);transform:translateY(-1px)}
.btn-ghost{background:transparent;color:var(--paper);border-color:var(--line-strong)}
.btn-ghost:hover{border-color:var(--brass);color:var(--brass-bright)}
.btn-sm{padding:.52em 1em;font-size:.79rem}

/* Hero */
.hero{
  position:relative;
  overflow:hidden;
  padding:7.7rem 0 5.8rem;
  border-bottom:1px solid var(--line)
}
.hero::before{
  content:"";
  position:absolute;inset:0;
  pointer-events:none;
  opacity:.24;
  background-image:
    linear-gradient(var(--line) 1px,transparent 1px),
    linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:72px 72px;
  mask-image:linear-gradient(to bottom,black,transparent 78%)
}
.hero-inner{
  position:relative;
  display:grid;
  grid-template-columns:minmax(0,1.08fr) minmax(430px,.92fr);
  gap:5rem;
  align-items:center
}
.hero-copy h1{
  max-width:12ch;
  font-size:clamp(3.25rem,6vw,5.6rem);
  line-height:.96;
  letter-spacing:-.035em
}
.hero-copy h1 em{font-weight:300;color:var(--paper-dim)}
.hero-sub{
  font-size:1.13rem;
  line-height:1.62;
  color:var(--paper-dim);
  max-width:50ch;
  margin:1.8rem 0 0
}
.hero-sub strong{color:var(--paper);font-weight:600}
.hero-ctas{display:flex;gap:1rem;margin-top:2.3rem;flex-wrap:wrap}
.hero-proof{
  list-style:none;
  display:flex;
  flex-wrap:wrap;
  gap:.7rem 1.25rem;
  margin:2rem 0 0;
  padding:0;
  font-family:var(--f-mono);
  font-size:.76rem;
  color:var(--paper-faint)
}
.hero-proof li{display:flex;align-items:center;gap:.55rem}
.hero-proof li::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--sage);box-shadow:0 0 0 4px rgba(145,178,139,.08)}

/* Manifest */
.manifest{
  background:linear-gradient(180deg,rgba(255,255,255,.018),transparent 40%),var(--ink-2);
  border:1px solid var(--line-strong);
  border-radius:8px;
  padding:1.55rem 1.65rem 1.7rem;
  font-family:var(--f-mono);
  font-size:.84rem;
  box-shadow:0 38px 80px -30px rgba(0,0,0,.82);
  position:relative
}
.manifest::before{
  content:"";
  position:absolute;inset:7px;
  border:1px solid rgba(200,146,67,.27);
  border-radius:4px;
  pointer-events:none
}
.manifest::after{
  content:"governed deploy";
  position:absolute;
  right:-1px;bottom:-30px;
  font-family:var(--f-mono);
  font-size:.65rem;
  letter-spacing:.13em;
  text-transform:uppercase;
  color:var(--paper-faint)
}
.manifest-head{
  display:flex;justify-content:space-between;align-items:center;
  color:var(--brass-bright);letter-spacing:.11em;font-size:.68rem;
  padding-bottom:1rem;border-bottom:1px solid var(--line)
}
.manifest-status{display:flex;align-items:center;gap:.5rem;color:var(--sage);letter-spacing:.04em;text-transform:lowercase}
.manifest-status i{display:block;width:6px;height:6px;border-radius:50%;background:var(--sage);box-shadow:0 0 0 4px rgba(145,178,139,.09)}
.manifest-title-row{display:flex;justify-content:space-between;align-items:flex-start;padding:1.15rem 0 .95rem}
.manifest-title-row>div{display:grid;gap:.15rem}
.manifest-kicker{font-size:.64rem;letter-spacing:.08em;text-transform:uppercase;color:var(--paper-faint)}
.manifest-title-row strong{font-size:1.05rem;font-weight:500;color:var(--paper)}
.manifest-id{color:var(--paper-faint);font-size:.72rem}
.manifest-fields{margin:0;display:grid;gap:.52rem}
.manifest-fields>div{display:grid;grid-template-columns:5.3em 1fr;gap:.75rem}
.manifest-fields dt{color:var(--paper-faint)}
.manifest-fields dd{margin:0;color:var(--paper)}
.manifest-rule{height:1px;background:var(--line);margin:1.25rem 0}
.manifest-term{background:#090b0e;border:1px solid rgba(255,255,255,.035);border-radius:5px;padding:1rem 1.05rem}
.term-label{margin:0 0 .8rem;font-size:.63rem;letter-spacing:.08em;text-transform:uppercase;color:var(--paper-faint)}
.term-line{margin:0 0 .65rem;color:var(--paper);white-space:nowrap}
.prompt{color:var(--brass-bright)}
.cursor{display:inline-block;width:.48em;height:1em;background:var(--brass-bright);vertical-align:-2px;margin-left:2px;animation:blink 1s step-end infinite}
@keyframes blink{50%{opacity:0}}
.term-out{list-style:none;margin:0;padding:0;display:grid;gap:.36rem;color:var(--sage);font-size:.8rem}
.term-out li{opacity:0;transform:translateY(4px);transition:opacity .4s ease,transform .4s ease}
.term-out li.is-visible{opacity:1;transform:none}

/* Integration strip */
.trust-bar{padding:1.8rem 0;background:rgba(255,255,255,.012);border-bottom:1px solid var(--line)}
.trust-inner{display:flex;align-items:center;gap:2.2rem;flex-wrap:wrap}
.trust-label{font-family:var(--f-mono);font-size:.75rem;color:var(--paper-faint);margin:0;white-space:nowrap}
.chip-row{list-style:none;display:flex;flex-wrap:wrap;gap:.65rem;margin:0;padding:0}
.chip-row li{font-family:var(--f-mono);font-size:.76rem;color:var(--paper-dim);border:1px solid var(--line);border-radius:100px;padding:.36em .9em;background:rgba(255,255,255,.01)}

/* Problem */
.problem{padding:7rem 0}
.problem-inner{display:grid;grid-template-columns:minmax(0,.95fr) minmax(0,1.05fr);gap:6rem;align-items:start}
.problem-heading h2{max-width:14ch}
.problem-copy{padding-top:2rem}
.problem-copy p{font-size:1.08rem;color:var(--paper-dim);margin:0 0 1.4rem;max-width:55ch}
.problem-copy .solution{
  color:var(--paper);
  border-left:2px solid var(--brass);
  background:linear-gradient(90deg,var(--brass-wash),transparent 70%);
  padding:1.2rem 1.4rem;
  margin-top:2rem
}
.problem-copy .solution strong{font-weight:600;color:var(--paper)}

/* Generic section heading */
.section-heading{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr);column-gap:4rem;align-items:end;margin-bottom:3.2rem}
.section-heading .eyebrow{grid-column:1/-1}
.section-heading h2{max-width:16ch}
.section-heading>p:last-child{color:var(--paper-dim);margin:0;max-width:48ch}

/* How */
.how{padding:7rem 0;background:var(--ink-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.step{position:relative;background:var(--ink-2);padding:2.2rem 2rem 2.35rem;overflow:hidden}
.step::after{content:"";position:absolute;inset:auto -15% -55% 25%;height:180px;background:radial-gradient(circle,var(--brass-wash),transparent 68%);pointer-events:none}
.step-index{font-family:var(--f-display);font-style:italic;font-size:2.5rem;line-height:1;color:rgba(241,237,229,.08);margin:0 0 1.7rem}
.step-tag,.feature-tag{font-family:var(--f-mono);font-size:.69rem;letter-spacing:.1em;text-transform:uppercase;color:var(--brass-bright);margin:0 0 .8rem}
.step h3{font-size:1.35rem;max-width:17ch;margin-bottom:.75rem}
.step p:last-child{color:var(--paper-dim);font-size:.95rem;margin:0;position:relative;z-index:1}
.step code{font-family:var(--f-mono);background:var(--ink);color:var(--paper);padding:.12em .35em;border-radius:3px;font-size:.9em}

/* Quote */
.quote-strip{padding:5.8rem 1.75rem;text-align:center;border-bottom:1px solid var(--line);background:linear-gradient(180deg,rgba(200,146,67,.025),transparent)}
.quote-strip blockquote{font-family:var(--f-display);font-style:italic;font-weight:300;font-size:clamp(1.65rem,3.4vw,2.45rem);line-height:1.32;color:var(--paper);max-width:38ch;margin:0 auto 1.25rem}
.quote-strip cite{font-family:var(--f-mono);font-style:normal;font-size:.76rem;color:var(--paper-faint)}

/* Comparison */
.compare{padding:7rem 0;border-bottom:1px solid var(--line)}
.compare-table{display:grid;border:1px solid var(--line);background:var(--ink-2)}
.compare-row{display:grid;grid-template-columns:.8fr 1.25fr 1.25fr;gap:0;border-bottom:1px solid var(--line)}
.compare-row:last-child{border-bottom:0}
.compare-row>div{padding:1.08rem 1.15rem;font-size:.94rem;border-right:1px solid var(--line)}
.compare-row>div:last-child{border-right:0}
.compare-row [role="rowheader"]{font-family:var(--f-mono);color:var(--paper-faint);font-size:.76rem}
.compare-head{font-family:var(--f-mono);font-size:.72rem;text-transform:uppercase;letter-spacing:.09em;color:var(--paper-faint);background:rgba(255,255,255,.015)}
.compare-row>.is-us{color:var(--paper);background:rgba(200,146,67,.045)}
.compare-head .is-us{color:var(--brass-bright)}
.compare-row div:not([role]){color:var(--paper-dim)}

/* Features */
.features{padding:7rem 0}
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.feature-card{background:var(--ink);padding:2.25rem 2rem;min-height:250px}
.feature-card h3{font-size:1.35rem;margin:0 0 .72rem;max-width:17ch}
.feature-card p:not(.feature-tag){color:var(--paper-dim);font-size:.95rem;margin:0}

/* CTA */
.cta-final{position:relative;overflow:hidden;padding:8rem 0;text-align:center;background:var(--ink-2);border-top:1px solid var(--line)}
.cta-final::before{content:"";position:absolute;width:720px;height:720px;border:1px solid rgba(200,146,67,.09);border-radius:50%;left:50%;top:50%;transform:translate(-50%,-45%);box-shadow:0 0 0 100px rgba(200,146,67,.025),0 0 0 220px rgba(200,146,67,.015);pointer-events:none}
.cta-inner{position:relative;max-width:720px}
.cta-final h2{font-size:clamp(2.35rem,5vw,4rem);line-height:1.03;margin:0 0 1.35rem}
.cta-sub{color:var(--paper-dim);font-size:1.04rem;max-width:58ch;margin:0 auto 2.5rem}
.cta-form{text-align:left;background:rgba(11,13,16,.94);border:1px solid var(--line-strong);border-radius:8px;padding:1.55rem;box-shadow:0 30px 70px -35px rgba(0,0,0,.8)}
.cta-prompt{display:block;font-family:var(--f-mono);font-size:.82rem;color:var(--paper-dim);margin-bottom:.9rem}
.cta-input-row{display:flex;gap:.75rem;flex-wrap:wrap}
.cta-input-row input{flex:1 1 250px;background:var(--ink-2);border:1px solid var(--line-strong);border-radius:var(--radius);color:var(--paper);font-family:var(--f-mono);font-size:.88rem;padding:.78em 1em}
.cta-input-row input::placeholder{color:var(--paper-faint)}
.cta-input-row input:focus{border-color:var(--brass);outline:none}
.cta-note{font-family:var(--f-mono);font-size:.69rem;color:var(--paper-faint);margin:.85rem 0 0}
.cta-status{font-family:var(--f-mono);font-size:.8rem;color:var(--sage);margin:.65rem 0 0;min-height:1.2em}

/* Footer */
.site-footer{padding:2.7rem 0 3rem;border-top:1px solid var(--line)}
.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:1.5rem;flex-wrap:wrap}
.brand-sm .seal{width:20px;height:20px}
.footer-tag{font-family:var(--f-mono);font-size:.79rem;color:var(--paper-faint);margin:0}
.footer-links{display:flex;gap:1.6rem;font-family:var(--f-mono);font-size:.77rem;color:var(--paper-faint);flex-wrap:wrap}
.footer-links a:hover{color:var(--brass-bright)}

/* Responsive */
@media (max-width:1060px){
  .hero-inner{grid-template-columns:1fr;gap:4.2rem}
  .hero-copy h1{max-width:10ch}
  .hero-sub{max-width:60ch}
  .manifest{max-width:650px}
  .problem-inner{gap:3.5rem}
  .feature-grid{grid-template-columns:repeat(2,1fr)}
}

@media (max-width:820px){
  .nav-links{gap:1rem}
  .nav-links a:not(.btn){display:none}
  .hero{padding:5.5rem 0 4.5rem}
  .hero-inner{grid-template-columns:minmax(0,1fr)}
  .hero-copy h1{font-size:clamp(3rem,11vw,4.5rem)}
  .manifest{max-width:100%;overflow:hidden}
  .problem-inner,.section-heading{grid-template-columns:1fr;gap:2rem}
  .problem-copy{padding-top:0}
  .section-heading h2{max-width:18ch}
  .steps{grid-template-columns:1fr}
  .step{min-height:0}
  .compare-row{grid-template-columns:.72fr 1fr 1fr}
  .compare-row>div{padding:.95rem .8rem}
}

@media (max-width:640px){
  body{font-size:16px}
  .hero-inner,.trust-inner,.problem-inner,.how-inner,.compare-inner,.features-inner,.cta-inner,.nav-inner,.footer-inner{padding-left:1.15rem;padding-right:1.15rem}
  .hero{padding:4.4rem 0 3.8rem}
  .hero-copy h1{font-size:clamp(2.75rem,14vw,3.8rem)}
  .hero-sub{font-size:1.02rem}
  .hero-ctas{flex-direction:column;align-items:stretch}
  .hero-proof{display:grid;gap:.65rem}
  .manifest{padding:1.3rem 1.15rem 1.35rem;font-size:.74rem}
  .manifest::before{inset:5px}
  .manifest-status{font-size:.6rem}
  .manifest-fields>div{grid-template-columns:4.8em minmax(0,1fr)}
  .manifest-fields dd{overflow-wrap:anywhere}
  .term-line{white-space:normal;min-height:1.5em}
  .term-out{font-size:.7rem}
  .trust-inner{gap:1rem}
  .problem,.how,.compare,.features{padding:5rem 0}
  .quote-strip{padding:4.5rem 1.15rem}
  .feature-grid{grid-template-columns:1fr}
  .feature-card{min-height:0}
  .compare-table{border:0;background:transparent;gap:1rem}
  .compare-head{display:none}
  .compare-row{grid-template-columns:1fr;border:1px solid var(--line);background:var(--ink-2)}
  .compare-row>div{border-right:0;border-bottom:1px solid var(--line);padding:.9rem 1rem}
  .compare-row>div:last-child{border-bottom:0}
  .compare-row [role="rowheader"]{background:rgba(255,255,255,.015)}
  .compare-row>.is-us::before{content:"acss · ";font-family:var(--f-mono);font-size:.68rem;color:var(--brass-bright);text-transform:uppercase;letter-spacing:.08em}
  .cta-final{padding:6rem 0}
  .cta-input-row{flex-direction:column}
  .footer-inner{flex-direction:column;align-items:flex-start}
}