/* ============================================================
   ScanTailor (fan archive) — open-source documentation aesthetic
   ============================================================ */
@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Serif:ital,wght@0,400;0,500;0,600;0,700;1,400&family=IBM+Plex+Sans:ital,wght@0,400;0,500;0,600;0,700;1,400&family=IBM+Plex+Mono:wght@400;500;600&display=swap');

:root{
  --paper:#f6f4ef;
  --paper-2:#ece8dd;
  --surface:#ffffff;
  --ink:#1c2025;
  --ink-2:#33383f;
  --muted:#5a6271;
  --rule:#dcd6c4;
  --rule-deep:#bbb39d;
  --blue:#1e5f8c;
  --blue-deep:#0d3d62;
  --amber:#cc8825;
  --amber-deep:#a06414;
  --moss:#5d6d3e;

  --display:'IBM Plex Serif',Georgia,serif;
  --ui:'IBM Plex Sans','Helvetica Neue',sans-serif;
  --mono:'IBM Plex Mono',ui-monospace,Menlo,monospace;
  --measure:36rem;
  --maxw:70rem;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--ui);font-size:1.02rem;line-height:1.7;
  color:var(--ink);background:var(--paper);
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--blue);text-underline-offset:3px;
  text-decoration:underline;text-decoration-thickness:1px;
  text-decoration-color:rgba(30,95,140,.35)}
a:hover{color:var(--amber-deep);text-decoration-color:var(--amber-deep)}
::selection{background:var(--blue);color:#fff}
code{font-family:var(--mono);font-size:.9em;background:var(--paper-2);
  border:1px solid var(--rule);border-radius:3px;padding:.1em .42em}

.wrap{max-width:var(--maxw);margin-inline:auto;
  padding-inline:clamp(1.2rem,4vw,2.6rem)}

.label{font-family:var(--mono);font-weight:500;font-size:.72rem;
  letter-spacing:.04em;color:var(--amber-deep);text-transform:lowercase}
.label::before{content:"// "}
.label--blue{color:var(--blue-deep)}
.label--muted{color:var(--muted)}

.tag{font-family:var(--mono);font-size:.72rem;letter-spacing:.05em;
  padding:.18rem .5rem;border:1px solid var(--rule);border-radius:3px;
  background:var(--surface);color:var(--muted)}

/* ============================================================
   HEADER
   ============================================================ */
.site-head{background:var(--paper);border-bottom:1px solid var(--rule);
  position:sticky;top:0;z-index:30;backdrop-filter:blur(8px)}
.site-head .wrap{display:flex;align-items:center;gap:2rem;min-height:70px}
.brand{display:flex;align-items:baseline;gap:.7rem;text-decoration:none;color:var(--ink)}
.brand-name{font-family:var(--mono);font-weight:600;font-size:1.18rem;
  letter-spacing:-.01em;line-height:1}
.brand-sub{font-family:var(--mono);font-size:.68rem;color:var(--muted);
  letter-spacing:.02em}
.archive-pill{display:inline-flex;align-items:center;gap:.35rem;
  font-family:var(--mono);font-size:.7rem;background:var(--paper-2);
  border:1px solid var(--rule);padding:.22rem .55rem;border-radius:3px;
  color:var(--muted);text-transform:lowercase}
.archive-pill::before{content:"●";color:var(--amber);font-size:.6rem}
.nav{margin-left:auto;display:flex;gap:1.5rem}
.nav a{font-family:var(--mono);font-weight:500;font-size:.84rem;
  color:var(--ink-2);text-decoration:none;position:relative;padding-block:.4rem}
.nav a::after{content:"";position:absolute;left:0;right:100%;bottom:-1px;
  height:2px;background:var(--blue);transition:right .25s ease}
.nav a:hover::after,.nav a[aria-current]::after{right:0}
.nav a:hover,.nav a[aria-current]{color:var(--blue-deep)}

/* ============================================================
   HERO
   ============================================================ */
.hero{padding-block:clamp(3.4rem,8vw,5.5rem);position:relative;
  overflow:hidden;border-bottom:1px solid var(--rule)}
.hero::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:repeating-linear-gradient(90deg,var(--blue) 0 18px,
    transparent 18px 36px);opacity:.35}
.hero .wrap{position:relative;display:grid;
  grid-template-columns:1.45fr 1fr;gap:clamp(2rem,5vw,4rem);align-items:center}
.hero h1{font-family:var(--display);font-weight:600;
  font-size:clamp(2.6rem,6.2vw,4.4rem);line-height:1;letter-spacing:-.018em;
  margin:1.2rem 0 1.2rem}
.hero h1 em{color:var(--amber);font-style:italic;font-weight:500}
.hero-lead{font-size:1.16rem;color:var(--ink-2);max-width:34rem;line-height:1.55}
.hero-meta{display:flex;gap:.5rem;flex-wrap:wrap;margin-top:1.6rem}
.hero-cta{display:flex;gap:.8rem;margin-top:2rem;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:.55rem;font-family:var(--mono);
  font-weight:500;font-size:.85rem;padding:.85rem 1.4rem;border-radius:4px;
  text-decoration:none;border:1px solid var(--rule-deep);color:var(--ink-2);
  background:var(--surface);transition:.2s ease}
.btn:hover{border-color:var(--blue);color:var(--blue-deep);text-decoration:none}
.btn--solid{background:var(--blue);color:#fff;border-color:var(--blue)}
.btn--solid:hover{background:var(--blue-deep);color:#fff}

/* spec-table-style info card */
.spec{background:var(--surface);border:1px solid var(--rule);border-radius:6px;
  padding:1.4rem 1.6rem;font-family:var(--mono);font-size:.86rem}
.spec h3{font-family:var(--ui);font-weight:600;font-size:.74rem;
  letter-spacing:.16em;text-transform:uppercase;color:var(--blue-deep);
  margin-bottom:1rem}
.spec dl{display:grid;grid-template-columns:7.5rem 1fr;gap:.45rem .9rem}
.spec dt{color:var(--muted)}
.spec dd{color:var(--ink)}
.spec dd a{color:var(--blue-deep)}

/* ============================================================
   SECTIONS
   ============================================================ */
.section{padding-block:clamp(2.6rem,6vw,4.5rem)}
.section-head{margin-bottom:2.2rem;max-width:54rem}
.section-head h2{font-family:var(--display);font-weight:600;
  font-size:clamp(1.7rem,3.4vw,2.3rem);line-height:1.1;letter-spacing:-.015em}
.section-head p{color:var(--muted);margin-top:.5rem;max-width:36rem}

/* file-card grid (entry points) */
.files{display:grid;grid-template-columns:repeat(3,1fr);gap:1.1rem}
.file-card{background:var(--surface);border:1px solid var(--rule);
  border-radius:6px;padding:1.35rem 1.4rem 1.5rem;text-decoration:none;
  color:var(--ink);display:flex;flex-direction:column;gap:.6rem;
  transition:.2s ease;position:relative;overflow:hidden}
.file-card:hover{border-color:var(--blue);transform:translateY(-2px);
  text-decoration:none;box-shadow:0 18px 36px -22px rgba(28,32,37,.2)}
.file-card::before{content:attr(data-tag);position:absolute;top:1rem;right:1.1rem;
  font-family:var(--mono);font-size:.65rem;letter-spacing:.06em;color:var(--rule-deep);
  text-transform:uppercase}
.file-card h3{font-family:var(--display);font-weight:600;font-size:1.32rem;
  line-height:1.18;letter-spacing:-.005em}
.file-card p{color:var(--muted);font-size:.94rem;flex:1}
.file-card .arrow{font-family:var(--mono);font-weight:500;font-size:.76rem;
  color:var(--blue);margin-top:.4rem}

/* ============================================================
   ARTICLE
   ============================================================ */
.page-head{padding-block:clamp(2.8rem,6vw,4.4rem);position:relative;overflow:hidden;
  border-bottom:1px solid var(--rule)}
.page-head::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:repeating-linear-gradient(90deg,var(--blue) 0 18px,
    transparent 18px 36px);opacity:.35}
.page-head .wrap{position:relative}
.page-head .label{display:block;margin-bottom:.7rem}
.page-head h1{font-family:var(--display);font-weight:600;
  font-size:clamp(2.1rem,4.6vw,3.5rem);line-height:1.06;letter-spacing:-.015em;
  max-width:24ch;margin-bottom:.7rem}
.page-head .deck{font-size:1.12rem;color:var(--ink-2);max-width:42rem;line-height:1.5}

.article{max-width:var(--measure);margin:0 auto;
  padding-block:clamp(2rem,4vw,3rem)}
.article p{margin-bottom:1.2rem}
.article h2{font-family:var(--display);font-weight:600;font-size:1.65rem;
  line-height:1.16;margin:2.4rem 0 .9rem;letter-spacing:-.01em;
  padding-top:1.4rem;border-top:1px solid var(--rule)}
.article h3{font-family:var(--display);font-weight:600;font-size:1.22rem;
  margin:1.8rem 0 .6rem;color:var(--blue-deep)}
.article h4{font-family:var(--ui);font-weight:700;font-size:.92rem;
  letter-spacing:.05em;margin:1.6rem 0 .5rem;text-transform:uppercase;
  color:var(--amber-deep)}
.article ul,.article ol{margin:0 0 1.4rem 1.4rem}
.article li{margin-bottom:.5rem}
.article img{border-radius:6px;margin:1.6rem 0;
  box-shadow:0 12px 28px -18px rgba(28,32,37,.3)}
.article blockquote{margin:1.7rem 0;padding:1.2rem 1.4rem;
  background:var(--paper-2);border-left:3px solid var(--amber);
  border-radius:0 4px 4px 0;font-style:italic;color:var(--ink-2)}

.article-foot{max-width:var(--measure);margin:2rem auto 0;
  border-top:1px solid var(--rule);padding-top:1.6rem;
  display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;
  font-family:var(--mono);font-size:.82rem}
.back-link{text-decoration:none;font-weight:500;color:var(--blue);
  letter-spacing:.02em}
.back-link:hover{color:var(--amber-deep);text-decoration:none}

/* archive banner — used across pages */
.archive-banner{background:var(--paper-2);border:1px dashed var(--rule-deep);
  border-radius:4px;padding:1rem 1.2rem;font-family:var(--ui);font-size:.92rem;
  color:var(--ink-2);max-width:48rem;margin:1rem auto 0}
.archive-banner strong{color:var(--ink)}

/* ============================================================
   FOOTER
   ============================================================ */
.site-foot{border-top:1px solid var(--rule);padding-block:2.8rem 1.6rem;
  background:var(--paper-2);color:var(--ink-2);margin-top:2rem}
.foot-top{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:2.4rem;
  padding-bottom:1.8rem;border-bottom:1px solid var(--rule)}
.foot-brand{font-family:var(--mono);font-weight:600;font-size:1.15rem;color:var(--ink)}
.foot-top p{color:var(--muted);font-size:.93rem;max-width:24rem;margin-top:.6rem}
.foot-top h4{font-family:var(--ui);font-weight:700;font-size:.72rem;
  letter-spacing:.18em;text-transform:uppercase;color:var(--ink);
  margin-bottom:.8rem}
.foot-links{display:flex;flex-direction:column;gap:.5rem}
.foot-links a{color:var(--ink-2);text-decoration:none;font-size:.92rem;
  font-family:var(--mono)}
.foot-links a:hover{color:var(--amber-deep)}
.foot-disclaimer{margin-top:1.4rem;font-size:.82rem;color:var(--muted);
  background:var(--surface);border:1px solid var(--rule);border-radius:4px;
  padding:.9rem 1.1rem;line-height:1.55}
.foot-disclaimer strong{color:var(--ink)}
.foot-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:1rem;
  padding-top:1.3rem;font-family:var(--mono);font-size:.76rem;color:var(--muted)}

@media (max-width:860px){
  .hero .wrap{grid-template-columns:1fr}
  .files{grid-template-columns:1fr}
  .foot-top{grid-template-columns:1fr;gap:1.7rem}
}