/* =========================================================
   TrentNetworks — shared stylesheet
   Tokens: paper/ink/mist/line neutrals + navy/signal blues
   ========================================================= */

:root{
  --paper:#FFFFFF;
  --ink:#0B0F14;
  --ink-soft:#3C4350;
  --mist:#F3F5F8;
  --line:#E2E6EE;
  --navy:#15294D;
  --black:#000000;
  --on-black:#FFFFFF;
  --on-black-soft:rgba(255,255,255,0.72);
  --on-black-line:rgba(255,255,255,0.18);
  --signal:#0060FF;
  --signal-dim: rgba(0,96,255,0.10);
  --radius: 10px;
  --radius-sm: 6px;
  --max-w: 1140px;
  --font-display: 'Courier New', Courier, monospace;
  --font-body: 'Inter', system-ui, sans-serif;
  --font-mono: 'Courier New', Courier, monospace;
  --shadow-card: 0 1px 2px rgba(11,15,20,0.04), 0 8px 24px rgba(11,15,20,0.06);
}

*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-body);
  color:var(--ink);
  background:var(--paper);
  line-height:1.6;
  font-size:16px;
}
img{max-width:100%;display:block;}
a{color:var(--signal);text-decoration:none;}
a:hover{text-decoration:underline;}
h1,h2,h3,h4{
  font-family:var(--font-display);
  color:var(--navy);
  line-height:1.15;
  margin:0 0 .5em;
  font-weight:600;
}
h1{font-size:clamp(2rem,4vw,3rem);}
h2{font-size:clamp(1.5rem,2.6vw,2.1rem);}
h3{font-size:1.25rem;}
p{margin:0 0 1em;}
ul{margin:0 0 1em;padding-left:1.2em;}

:focus-visible{
  outline:3px solid var(--signal);
  outline-offset:2px;
}

.container{
  max-width:var(--max-w);
  margin:0 auto;
  padding:0 24px;
}

.skip-link{
  position:absolute;
  left:-9999px;
  top:0;
  background:var(--navy);
  color:#fff;
  padding:10px 16px;
  z-index:1000;
  border-radius:0 0 var(--radius-sm) 0;
}
.skip-link:focus{left:0;}

.eyebrow{
  font-family:var(--font-mono);
  font-size:.78rem;
  letter-spacing:.08em;
  text-transform:uppercase;
  color:var(--signal);
  display:inline-block;
  margin-bottom:.6em;
}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  gap:.5em;
  font-family:var(--font-mono);
  font-weight:600;
  font-size:.95rem;
  padding:.75em 1.4em;
  border-radius:var(--radius-sm);
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .15s ease, background .15s ease, color .15s ease;
  text-decoration:none;
}
.btn:hover{text-decoration:none;transform:translateY(-1px);}
.btn-primary{background:var(--signal);color:#fff;}
.btn-primary:hover{background:var(--navy);}
.btn-outline{background:transparent;border-color:var(--navy);color:var(--navy);}
.btn-outline:hover{background:var(--navy);color:#fff;}

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky;
  top:0;
  background:var(--black);
  border-bottom:1px solid var(--on-black-line);
  z-index:100;
}
.nav-bar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:14px 24px;
  max-width:var(--max-w);
  margin:0 auto;
}
.logo-link{display:inline-flex;align-items:center;}
.logo-link img{height:34px;width:auto;}

.nav-toggle{
  display:none;
  background:none;
  border:1px solid var(--on-black-line);
  border-radius:var(--radius-sm);
  width:42px;height:38px;
  cursor:pointer;
  position:relative;
}
.nav-toggle span,.nav-toggle::before,.nav-toggle::after{
  content:'';
  position:absolute;left:10px;right:10px;height:2px;background:var(--on-black);
  transition:transform .2s ease, opacity .2s ease;
}
.nav-toggle::before{top:13px;}
.nav-toggle span{top:18px;}
.nav-toggle::after{top:23px;}
.nav-toggle[aria-expanded="true"]::before{transform:translateY(5px) rotate(45deg);}
.nav-toggle[aria-expanded="true"]::after{transform:translateY(-5px) rotate(-45deg);}
.nav-toggle[aria-expanded="true"] span{opacity:0;}

.nav-links{
  display:flex;
  gap:22px;
  list-style:none;
  margin:0;padding:0;
  font-family:var(--font-mono);
  font-size:.9rem;
  font-weight:500;
}
.nav-links a{color:var(--on-black);}
.nav-links a[aria-current="page"]{color:var(--signal);}
.nav-links a:hover{color:var(--signal);text-decoration:none;}

@media (max-width:760px){
  .nav-toggle{display:block;}
  .nav-links{
    position:absolute;
    top:100%;left:0;right:0;
    background:var(--black);
    border-bottom:1px solid var(--on-black-line);
    flex-direction:column;
    gap:0;
    padding:8px 24px 16px;
    display:none;
  }
  .nav-links.is-open{display:flex;}
  .nav-links li{border-top:1px solid var(--on-black-line);}
  .nav-links li:first-child{border-top:none;}
  .nav-links a{display:block;padding:12px 0;}
}

/* ---------- Hero / signature trace motif ---------- */
.hero{padding:64px 0 48px;}
.hero-lede{font-size:1.15rem;color:var(--ink-soft);max-width:640px;}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:1.6em;}

.trace{
  display:flex;
  align-items:center;
  gap:0;
  margin:40px 0;
  user-select:none;
}
.trace-node{
  width:10px;height:10px;border-radius:50%;
  background:var(--signal);
  flex:0 0 auto;
}
.trace-line{
  flex:1 1 auto;
  height:2px;
  background:repeating-linear-gradient(90deg, var(--line) 0 6px, transparent 6px 12px);
}
.trace-label{
  font-family:var(--font-mono);
  font-size:.72rem;
  letter-spacing:.04em;
  color:var(--ink-soft);
  white-space:nowrap;
  padding:0 14px;
}

/* ---------- Sections / cards ---------- */
.section{padding:56px 0;}
.section-alt{background:var(--mist);}
.section-head{max-width:640px;margin-bottom:2em;}

.grid{
  display:grid;
  gap:24px;
  grid-template-columns:repeat(3,1fr);
}
@media (max-width:900px){.grid{grid-template-columns:repeat(2,1fr);}}
@media (max-width:600px){.grid{grid-template-columns:1fr;}}

.card{
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:28px;
  box-shadow:var(--shadow-card);
}
.card h3{margin-bottom:.4em;}
.card p:last-child{margin-bottom:0;}

/* ---------- Status pills (no extra hues — fill vs outline only) ---------- */
.pill{
  display:inline-flex;
  align-items:center;
  gap:.4em;
  font-family:var(--font-mono);
  font-size:.72rem;
  letter-spacing:.04em;
  text-transform:uppercase;
  padding:.3em .7em;
  border-radius:999px;
  border:1px solid var(--navy);
}
.pill-live{background:var(--navy);color:#fff;border-color:var(--navy);}
.pill-dev{background:transparent;color:var(--navy);}
.pill-concept{background:transparent;color:var(--ink-soft);border:1px dashed var(--ink-soft);}

/* ---------- Portfolio ---------- */
.portfolio-card{overflow:hidden;padding:0;}
.portfolio-thumb{
  aspect-ratio:16/10;
  background:var(--mist);
  overflow:hidden;
}
.portfolio-thumb img{width:100%;height:100%;object-fit:cover;}
.portfolio-body{padding:20px 24px 24px;}
.portfolio-body .pill{margin-bottom:.8em;}

/* ---------- Process steps ---------- */
.steps{list-style:none;margin:0;padding:0;counter-reset:step;}
.step{
  counter-increment:step;
  display:grid;
  grid-template-columns:56px 1fr;
  gap:18px;
  padding:22px 0;
  border-top:1px solid var(--line);
}
.step:first-child{border-top:none;}
.step::before{
  content:counter(step,decimal-leading-zero);
  font-family:var(--font-mono);
  color:var(--signal);
  font-size:1.1rem;
  font-weight:600;
}

/* ---------- FAQ ---------- */
.faq-item{
  border-bottom:1px solid var(--line);
  padding:18px 0;
}
.faq-item summary{
  cursor:pointer;
  font-family:var(--font-display);
  font-weight:600;
  color:var(--navy);
  font-size:1.05rem;
  list-style:none;
  display:flex;
  justify-content:space-between;
  align-items:center;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:'+';
  font-family:var(--font-body);
  font-size:1.4rem;
  color:var(--signal);
  margin-left:1em;
  transition:transform .15s ease;
}
.faq-item[open] summary::after{transform:rotate(45deg);}
.faq-item p{margin-top:.8em;color:var(--ink-soft);}

/* ---------- Forms ---------- */
.form-grid{display:grid;gap:16px;}
.form-row{display:flex;flex-direction:column;gap:6px;}
label{font-weight:600;font-size:.9rem;}
input,textarea,select{
  font:inherit;
  padding:.7em .8em;
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  background:var(--paper);
  color:var(--ink);
}
input:focus,textarea:focus,select:focus{
  outline:3px solid var(--signal-dim);
  border-color:var(--signal);
}
.contact-options{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:24px;
}
@media (max-width:760px){.contact-options{grid-template-columns:1fr;}}
.contact-panel{
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:28px;
  background:var(--paper);
}

/* ---------- Footer ---------- */
.site-footer{
  border-top:1px solid var(--on-black-line);
  background:var(--black);
  padding:32px 0;
}
.footer-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  flex-wrap:wrap;
}
.footer-left{
  flex:1 1 280px;
  min-width:0;
  font-size:.9rem;
  color:var(--on-black-soft);
}
.footer-left strong{color:var(--on-black);}
.brand-mark{
  font-family:var(--font-mono);
  font-weight:700;
  letter-spacing:.02em;
}
.brand-mark .accent{color:var(--signal);}
.footer-left p{margin:0 0 .4em;overflow-wrap:break-word;}
.footer-left nav{margin-top:.6em;font-family:var(--font-mono);}
.footer-left nav a{margin-right:16px;color:var(--on-black-soft);}
.footer-left nav a:hover{color:var(--signal);}

.footer-right{
  flex:0 0 auto;
  display:flex;
  justify-content:flex-end;
}

/* Cloudflare badge — opacity + scale ONLY, per spec.
   No filter, no background-color, no box-shadow/glow. */
.cf-badge-link{display:inline-block;line-height:0;}
.cf-badge-link img{
  width:140px;
  height:auto;
  opacity:0.65;
  transform:scale(1);
  transition:opacity .15s ease, transform .15s ease;
}
.cf-badge-link:hover img,
.cf-badge-link:focus-visible img{
  opacity:1;
  transform:scale(1.05);
}

@media (prefers-reduced-motion:reduce){
  .cf-badge-link img,.btn,.faq-item summary::after{transition:none;}
}

/* ---------- 404 ---------- */
.error-hero{padding:96px 0;text-align:center;}
.error-code{
  font-family:var(--font-mono);
  font-size:clamp(3rem,10vw,5rem);
  color:var(--signal);
  margin:0;
}