/* ========================================
   BDNHOST · AE Scripts Lab · Shared Stylesheet
   For all guides in the series
   ======================================== */

:root{
  --bg:#0d0e10;
  --bg-elev:#15171b;
  --bg-card:#1a1d22;
  --border:#2a2e36;
  --border-strong:#3a3f49;
  --text:#e8e6e3;
  --text-dim:#9aa0a6;
  --text-faint:#6b7280;
  --accent:#f5b841;
  --accent-hot:#ff7a45;
  --accent-cool:#4db8ff;
  --accent-ok:#7ed957;
  --accent-red:#e53e3e;
  --serif:"Frank Ruhl Libre","Times New Roman",serif;
  --sans:"Heebo","Arial Hebrew",sans-serif;
  --mono:"JetBrains Mono","Consolas",monospace;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--bg);
  color:var(--text);
  font-family:var(--sans);
  font-weight:400;
  line-height:1.7;
  font-size:16px;
  overflow-x:hidden;
  background-image:
    radial-gradient(ellipse 80% 50% at 50% 0%,rgba(245,184,65,.05) 0%,transparent 60%),
    radial-gradient(ellipse 60% 40% at 0% 60%,rgba(77,184,255,.03) 0%,transparent 60%);
  background-attachment:fixed;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.5'/%3E%3C/svg%3E");
  opacity:.04;
  pointer-events:none;
  z-index:1000;
  mix-blend-mode:overlay;
}

.wrap{max-width:1100px;margin:0 auto;padding:0 32px}

/* ===== Masthead ===== */
.masthead{
  border-bottom:1px solid var(--border);
  padding:18px 0;
  background:rgba(13,14,16,.85);
  backdrop-filter:blur(12px);
  position:sticky;
  top:0;
  z-index:100;
}
.masthead-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  font-family:var(--mono);
  font-size:12px;
  color:var(--text-dim);
  letter-spacing:.05em;
}
.masthead-brand{color:var(--accent);font-weight:600;text-decoration:none}
.masthead-brand::before{content:"◆ "}
.masthead-nav{display:flex;gap:24px;font-size:11px}
.masthead-nav a{color:var(--text-dim);text-decoration:none;transition:color .2s}
.masthead-nav a:hover{color:var(--accent)}
@media(max-width:640px){.masthead-nav{display:none}}

/* ===== Hero ===== */
.hero{
  padding:80px 0 60px;
  border-bottom:1px solid var(--border);
  position:relative;
}
.hero-kicker{
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:.25em;
  color:var(--accent);
  text-transform:uppercase;
  margin-bottom:28px;
  display:flex;
  align-items:center;
  gap:14px;
}
.hero-kicker::before{
  content:"";
  width:36px;
  height:1px;
  background:var(--accent);
}
.hero h1{
  font-family:var(--serif);
  font-weight:900;
  font-size:clamp(40px,6vw,76px);
  line-height:.98;
  letter-spacing:-.02em;
  margin-bottom:24px;
}
.hero h1 em{
  font-style:italic;
  color:var(--accent);
  font-weight:500;
}
.hero-lede{
  font-family:var(--serif);
  font-size:21px;
  line-height:1.6;
  color:var(--text-dim);
  max-width:720px;
  font-weight:400;
}
.hero-meta{
  display:flex;
  flex-wrap:wrap;
  gap:40px;
  margin-top:48px;
  padding-top:28px;
  border-top:1px solid var(--border);
  font-family:var(--mono);
  font-size:11px;
  color:var(--text-faint);
  letter-spacing:.1em;
  text-transform:uppercase;
}
.hero-meta span strong{
  display:block;
  color:var(--text);
  font-size:13px;
  margin-top:4px;
}

/* ===== Chapters ===== */
section.chapter{
  padding:80px 0;
  border-bottom:1px solid var(--border);
}
.chapter-head{margin-bottom:50px;max-width:820px}
.chapter-num{
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:.25em;
  color:var(--accent);
  margin-bottom:18px;
  display:flex;
  align-items:center;
  gap:12px;
}
.chapter-num::after{
  content:"";
  flex:1;
  height:1px;
  background:linear-gradient(to left,var(--accent),transparent);
  max-width:200px;
}
.chapter h2{
  font-family:var(--serif);
  font-weight:700;
  font-size:clamp(32px,4.5vw,50px);
  line-height:1.08;
  letter-spacing:-.01em;
  margin-bottom:22px;
}
.chapter-sub{
  font-family:var(--serif);
  font-size:20px;
  color:var(--text-dim);
  line-height:1.6;
  font-weight:400;
}
.chapter h3{
  font-family:var(--sans);
  font-weight:700;
  font-size:24px;
  margin:44px 0 18px;
  color:var(--text);
  display:flex;
  align-items:center;
  gap:14px;
}
.chapter h3::before{
  content:"";
  width:6px;
  height:24px;
  background:var(--accent);
}
.chapter h4{
  font-family:var(--sans);
  font-weight:700;
  font-size:17px;
  margin:26px 0 12px;
  color:var(--accent);
  text-transform:uppercase;
  letter-spacing:.05em;
}
.chapter p{
  margin-bottom:16px;
  font-size:17px;
  line-height:1.8;
  max-width:780px;
}
.chapter p.lead{
  font-family:var(--serif);
  font-size:21px;
  color:var(--text);
  line-height:1.6;
}
.chapter ul,.chapter ol{
  margin:14px 0 22px;
  padding-right:24px;
  max-width:780px;
}
.chapter li{
  margin-bottom:10px;
  font-size:17px;
  line-height:1.75;
}
.chapter li strong{color:var(--accent)}
.chapter a{color:var(--accent-cool);text-decoration:underline;text-underline-offset:3px}

/* ===== Code ===== */
code.inline{
  font-family:var(--mono);
  font-size:.88em;
  background:var(--bg-elev);
  padding:3px 8px;
  border-radius:3px;
  color:var(--accent);
  border:1px solid var(--border);
}
pre{
  background:var(--bg-elev);
  border:1px solid var(--border);
  border-right:3px solid var(--accent);
  padding:24px 28px;
  margin:22px 0;
  overflow-x:auto;
  direction:ltr;
  text-align:left;
  font-family:var(--mono);
  font-size:13.5px;
  line-height:1.7;
  max-width:820px;
  position:relative;
}
pre::before{
  content:attr(data-lang);
  position:absolute;
  top:0;
  left:0;
  background:var(--accent);
  color:var(--bg);
  padding:3px 10px;
  font-size:10px;
  font-weight:600;
  letter-spacing:.1em;
}
pre .tok-kw{color:#ff7a45}
pre .tok-str{color:#7ed957}
pre .tok-num{color:#4db8ff}
pre .tok-com{color:var(--text-faint);font-style:italic}
pre .tok-fn{color:#f5b841}

/* ===== Callouts ===== */
.callout{
  border:1px solid var(--border);
  border-right:3px solid var(--accent);
  padding:22px 26px;
  margin:26px 0;
  background:var(--bg-elev);
  max-width:820px;
}
.callout-label{
  font-family:var(--mono);
  font-size:11px;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:var(--accent);
  margin-bottom:10px;
  display:flex;
  align-items:center;
  gap:10px;
}
.callout-label::before{content:"●";color:var(--accent)}
.callout.warn{border-right-color:var(--accent-hot)}
.callout.warn .callout-label{color:var(--accent-hot)}
.callout.warn .callout-label::before{color:var(--accent-hot)}
.callout.info{border-right-color:var(--accent-cool)}
.callout.info .callout-label{color:var(--accent-cool)}
.callout.info .callout-label::before{color:var(--accent-cool)}
.callout.pro{border-right-color:var(--accent-ok)}
.callout.pro .callout-label{color:var(--accent-ok)}
.callout.pro .callout-label::before{color:var(--accent-ok)}
.callout p{margin-bottom:8px;font-size:16px}
.callout p:last-child{margin-bottom:0}

/* ===== Stage Card ===== */
.stage-card{
  border:1px solid var(--border);
  background:var(--bg-elev);
  padding:30px 34px;
  margin:22px 0;
  max-width:820px;
  position:relative;
}
.stage-card::before{
  content:attr(data-step);
  position:absolute;
  top:-14px;
  right:30px;
  background:var(--accent);
  color:var(--bg);
  padding:4px 16px;
  font-family:var(--mono);
  font-size:11px;
  font-weight:700;
  letter-spacing:.2em;
}
.stage-card h4{margin-top:0}

/* ===== Compare Table ===== */
.compare{
  width:100%;
  max-width:900px;
  border-collapse:collapse;
  margin:28px 0;
  font-size:15px;
}
.compare th,.compare td{
  padding:14px 18px;
  text-align:right;
  border:1px solid var(--border);
}
.compare thead{background:var(--bg-elev)}
.compare th{
  font-family:var(--mono);
  font-size:11px;
  letter-spacing:.15em;
  color:var(--accent);
  text-transform:uppercase;
  font-weight:600;
}
.compare td strong{color:var(--text)}
.compare .bad{color:var(--accent-hot)}
.compare .good{color:var(--accent-ok)}

/* ===== Workflow ===== */
.workflow{
  background:var(--bg-elev);
  border:1px solid var(--border);
  padding:36px;
  margin:34px 0;
  max-width:900px;
}
.workflow-title{
  font-family:var(--mono);
  font-size:11px;
  letter-spacing:.25em;
  color:var(--text-faint);
  margin-bottom:28px;
  text-transform:uppercase;
}
.workflow-steps{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(160px,1fr));
  gap:0;
  position:relative;
}
.wf-step{
  padding:18px 14px;
  border:1px solid var(--border);
  background:var(--bg);
  position:relative;
  margin-right:-1px;
}
.wf-step-num{
  font-family:var(--mono);
  font-size:11px;
  color:var(--accent);
  margin-bottom:8px;
  letter-spacing:.1em;
}
.wf-step-title{
  font-family:var(--serif);
  font-size:17px;
  font-weight:500;
  margin-bottom:6px;
}
.wf-step-desc{
  font-size:13px;
  color:var(--text-dim);
  line-height:1.5;
}

/* ===== Interface Mockups ===== */
.ui-mockup{
  background:#2b2b2b;
  border:1px solid #444;
  border-radius:4px;
  font-family:"Segoe UI","Arial Hebrew",sans-serif;
  color:#d1d1d1;
  font-size:12px;
  direction:ltr;
  text-align:left;
  box-shadow:0 20px 60px rgba(0,0,0,.5),0 0 0 1px rgba(245,184,65,.1);
  overflow:hidden;
  margin:28px 0;
  max-width:900px;
}
.ui-mockup-title{
  background:linear-gradient(to bottom,#3a3a3a,#2e2e2e);
  padding:8px 12px;
  font-size:11px;
  color:#d1d1d1;
  border-bottom:1px solid #1a1a1a;
  display:flex;
  justify-content:space-between;
  align-items:center;
}
.ui-mockup-body{padding:20px}

/* ===== Prev/Next nav ===== */
.pager{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:24px;
  padding:60px 0;
  border-bottom:1px solid var(--border);
}
.pager-item{
  display:block;
  padding:26px 28px;
  border:1px solid var(--border);
  background:var(--bg-elev);
  text-decoration:none;
  transition:all .2s ease;
}
.pager-item:hover{
  border-color:var(--accent);
  background:var(--bg-card);
}
.pager-label{
  font-family:var(--mono);
  font-size:11px;
  letter-spacing:.2em;
  color:var(--accent);
  text-transform:uppercase;
  margin-bottom:8px;
}
.pager-title{
  font-family:var(--serif);
  font-size:20px;
  color:var(--text);
  line-height:1.3;
}
.pager-item.next{text-align:left}
.pager-item.prev{text-align:right}
.pager-item.disabled{opacity:.4;pointer-events:none}
@media(max-width:640px){
  .pager{grid-template-columns:1fr}
}

/* ===== Progress bar ===== */
.progress-bar{
  position:fixed;
  top:0;
  right:0;
  height:2px;
  background:var(--accent);
  z-index:200;
  width:0%;
  transition:width .1s ease;
}

/* ===== Footer ===== */
footer{
  padding:60px 0 40px;
  border-top:2px solid var(--accent);
  margin-top:20px;
}
.footer-row{
  display:flex;
  justify-content:space-between;
  align-items:baseline;
  flex-wrap:wrap;
  gap:24px;
}
.footer-brand{
  font-family:var(--serif);
  font-size:22px;
  font-weight:700;
}
.footer-brand em{color:var(--accent);font-style:italic}
.footer-meta{
  font-family:var(--mono);
  font-size:11px;
  color:var(--text-faint);
  letter-spacing:.1em;
}
.footer-links{
  margin-top:20px;
  padding-top:20px;
  border-top:1px solid var(--border);
  display:flex;
  gap:24px;
  font-family:var(--mono);
  font-size:11px;
  letter-spacing:.1em;
  flex-wrap:wrap;
}
.footer-links a{color:var(--text-dim);text-decoration:none;transition:color .2s}
.footer-links a:hover{color:var(--accent)}

/* ===== Reveal on scroll ===== */
.reveal{
  opacity:0;
  transform:translateY(20px);
  transition:opacity .8s ease,transform .8s ease;
}
.reveal.in{opacity:1;transform:translateY(0)}

/* ===== Index page specific ===== */
.index-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(320px,1fr));
  gap:24px;
  margin:40px 0;
}
.index-card{
  background:var(--bg-elev);
  border:1px solid var(--border);
  padding:32px;
  text-decoration:none;
  color:var(--text);
  transition:all .25s ease;
  display:flex;
  flex-direction:column;
  position:relative;
  overflow:hidden;
}
.index-card::before{
  content:"";
  position:absolute;
  top:0;
  right:0;
  width:0;
  height:3px;
  background:var(--accent);
  transition:width .3s ease;
}
.index-card:hover{
  border-color:var(--accent);
  transform:translateY(-4px);
}
.index-card:hover::before{width:100%}
.index-card-num{
  font-family:var(--mono);
  font-size:48px;
  font-weight:700;
  color:var(--accent);
  line-height:1;
  margin-bottom:16px;
  letter-spacing:-.02em;
}
.index-card-kicker{
  font-family:var(--mono);
  font-size:11px;
  color:var(--text-faint);
  letter-spacing:.2em;
  text-transform:uppercase;
  margin-bottom:10px;
}
.index-card-title{
  font-family:var(--serif);
  font-size:26px;
  font-weight:700;
  line-height:1.2;
  margin-bottom:14px;
}
.index-card-desc{
  color:var(--text-dim);
  font-size:15px;
  line-height:1.6;
  flex:1;
}
.index-card-meta{
  margin-top:20px;
  padding-top:16px;
  border-top:1px solid var(--border);
  font-family:var(--mono);
  font-size:11px;
  color:var(--text-faint);
  letter-spacing:.1em;
  display:flex;
  justify-content:space-between;
}
.index-card-meta .status-done{color:var(--accent-ok)}
.index-card-meta .status-new{color:var(--accent)}

@media print{
  body{background:#fff;color:#000}
  .masthead,footer,.pager,.progress-bar{display:none}
  section.chapter{page-break-before:always;padding:40px 0}
}