:root{
  --paper:#E7E8E4; --card:#F3F3F0; --sunk:#DDDFD9;
  --ink:#14171A; --ink2:#565D5A; --rule:#C9CCC5; --rule2:#DCDED8;
  --accent:#1B4D7E;
  --warn:#9C3D0B; --warn-soft:#EFE2D8;
  --disp:"Barlow Condensed",'Arial Narrow',sans-serif;
  --serif:"Source Serif 4",Georgia,'Times New Roman',serif;
  --mono:"IBM Plex Mono",ui-monospace,Consolas,monospace;
  --measure:40rem;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --paper:#101214; --card:#181B1E; --sunk:#0B0D0F;
  --ink:#E3E6E2; --ink2:#8C938E; --rule:#282C2F; --rule2:#212528;
  --accent:#7FB2E5;
  --warn:#DE8A56; --warn-soft:#271810;
}}
:root[data-theme="dark"]{
  --paper:#101214; --card:#181B1E; --sunk:#0B0D0F;
  --ink:#E3E6E2; --ink2:#8C938E; --rule:#282C2F; --rule2:#212528;
  --accent:#7FB2E5;
  --warn:#DE8A56; --warn-soft:#271810;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--serif);
  font-size:17.5px;line-height:1.62;-webkit-font-smoothing:antialiased;padding-bottom:4rem}
img{max-width:100%}
.wrap{max-width:var(--measure);margin:0 auto;padding:0 1.25rem}
p{margin:0}
.code,.pg,figcaption,.meta dt,.meta dd,.tag{font-family:var(--mono);font-size:.68rem;
  letter-spacing:.1em;text-transform:uppercase;color:var(--ink2)}
.code span,figcaption span{opacity:.45}
/* Alan adı büyük harfe çevrilmemeli: Türkçe kuralıyla i -> İ olur ve
   adres yanlış görünür (TEMELSİLAHEGİTİMİ.COM diye bir yer yok). */
.code.url{text-transform:none;letter-spacing:.04em}

/* ---- topbar ---- */
.bar{position:sticky;top:0;z-index:40;background:var(--paper);border-bottom:1px solid var(--rule)}
.bar .in{max-width:var(--measure);margin:0 auto;padding:.55rem 1.25rem;
  display:flex;align-items:center;gap:.75rem}
.bar .mark{font-family:var(--disp);font-weight:700;text-transform:uppercase;
  letter-spacing:.06em;font-size:.95rem;line-height:1;flex:1;min-width:0;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.bar .mark b{color:var(--accent);font-weight:700}
.btn{font-family:var(--mono);font-size:.66rem;letter-spacing:.12em;text-transform:uppercase;
  background:none;border:1px solid var(--rule);color:var(--ink);padding:.4rem .6rem;
  cursor:pointer;border-radius:2px}
.btn:hover{border-color:var(--accent);color:var(--accent)}
.btn:focus-visible,a:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
#prog{height:2px;background:var(--accent);width:0}

/* ---- cover ---- */
.cover{padding:3.5rem 0 2.25rem}
.eyebrow{font-family:var(--mono);font-size:.66rem;letter-spacing:.22em;text-transform:uppercase;
  color:var(--accent);margin-bottom:1.5rem}
.cover h1{font-family:var(--disp);font-weight:700;text-transform:uppercase;
  font-size:clamp(2.9rem,13vw,4.4rem);line-height:.88;letter-spacing:-.005em;
  margin:0;text-wrap:balance}
.vol{display:flex;align-items:center;gap:.85rem;margin:.9rem 0 0}
.vol::after{content:"";flex:1;height:1px;background:var(--rule)}
.vol span{font-family:var(--disp);font-weight:600;text-transform:uppercase;
  letter-spacing:.3em;font-size:1.15rem;color:var(--accent);flex:none}
.cover .by{font-family:var(--disp);font-weight:500;text-transform:uppercase;letter-spacing:.16em;
  font-size:1rem;margin:1.25rem 0 0;color:var(--ink2)}
.meta{display:grid;grid-template-columns:repeat(3,1fr);margin:2rem 0 0;
  border:1px solid var(--rule);border-radius:2px}
.meta div{padding:.7rem .8rem;border-right:1px solid var(--rule)}
.meta div:last-child{border-right:0}
.meta dt{display:block;margin-bottom:.2rem}
.meta dd{margin:0;font-family:var(--disp);font-size:1.5rem;font-weight:600;
  color:var(--ink);letter-spacing:0;text-transform:none}

/* ---- notice ---- */
.notice{margin:2rem 0 0;padding:.9rem 1rem;background:var(--warn-soft);
  border-left:3px solid var(--warn);border-radius:0 2px 2px 0}
.notice .tag{color:var(--warn);display:block;margin-bottom:.35rem}
.notice .tag.second{margin-top:.85rem}
.notice p{font-size:.9rem;line-height:1.5;color:var(--ink2)}

/* ---- yazarın notu ---- */
.preface{margin:3.25rem 0 0;padding-top:1.1rem;border-top:1px solid var(--ink);
  display:flex;flex-direction:column;gap:.85rem}
.preface .tag{color:var(--accent)}
.preface p{font-size:1.05rem;line-height:1.6}
.preface .line{font-family:var(--disp);font-weight:600;font-size:clamp(1.35rem,5.2vw,1.7rem);
  line-height:1.2;letter-spacing:.005em;text-wrap:balance;
  padding-left:1rem;border-left:3px solid var(--accent)}

/* ---- contents ---- */
.toc{margin:3.5rem 0 1rem}
.toc h2{font-family:var(--disp);text-transform:uppercase;letter-spacing:.1em;
  font-size:1.05rem;font-weight:600;margin:0 0 .9rem;padding-bottom:.5rem;
  border-bottom:1px solid var(--ink)}
.toc ol{list-style:none;margin:0;padding:0}
.toc li a{display:flex;align-items:baseline;gap:.85rem;padding:.62rem 0;
  border-bottom:1px solid var(--rule2);color:inherit;text-decoration:none}
.toc li a:hover .tt strong{color:var(--accent)}
.toc .n{font-family:var(--mono);font-size:.7rem;color:var(--accent);flex:none;width:1.6rem}
.toc .tt{flex:1;min-width:0}
.toc .tt strong{display:block;font-family:var(--disp);font-weight:600;font-size:1.08rem;
  line-height:1.2;text-transform:uppercase;letter-spacing:.01em}
.toc .tt em{display:block;font-family:var(--mono);font-style:normal;font-size:.63rem;
  letter-spacing:.12em;text-transform:uppercase;color:var(--ink2);margin-top:.15rem}
.toc .pg{flex:none}

/* ---- chapters ---- */
/* scroll-margin: içindekilerden atlayınca başlık yapışkan şeridin altında kalmasın */
.ch{padding:3.25rem 0 .5rem;scroll-margin-top:3.4rem;
  display:flex;flex-direction:column;gap:1.05rem}
.ch-head{display:flex;flex-direction:column;gap:.5rem;padding-bottom:1rem;
  border-bottom:2px solid var(--ink);margin-bottom:.5rem}
.ch-head h2{font-family:var(--disp);font-weight:700;text-transform:uppercase;
  font-size:clamp(1.7rem,6.5vw,2.3rem);line-height:1.02;margin:0;text-wrap:balance}
.ch-kicker{font-family:var(--mono);font-size:.63rem;letter-spacing:.18em;
  text-transform:uppercase;color:var(--accent)}
.ch h3{font-family:var(--disp);font-weight:600;text-transform:uppercase;letter-spacing:.05em;
  font-size:1.32rem;margin:1.4rem 0 -.2rem;line-height:1.15}
.ch h4{font-family:var(--disp);font-weight:600;font-size:1.18rem;letter-spacing:.02em;
  margin:1.1rem 0 -.35rem;color:var(--accent)}
.subtitle{font-family:var(--mono);font-size:.68rem;letter-spacing:.12em;
  text-transform:uppercase;color:var(--ink2);margin-top:-.6rem}
.ch blockquote{margin:.9rem 0;padding:1rem 1.15rem;background:var(--card);
  border:1px solid var(--rule);border-left:3px solid var(--accent);border-radius:0 2px 2px 0;
  font-size:1.12rem;line-height:1.45;font-style:italic}
ul.rules{margin:.2rem 0;padding:0;list-style:none;display:flex;flex-direction:column;gap:.6rem}
ul.rules li{position:relative;padding-left:1.5rem;font-size:1rem;line-height:1.55}
ul.rules li::before{content:"";position:absolute;left:.25rem;top:.62em;
  width:.42rem;height:.42rem;background:var(--accent)}

/* ---- kopya imzası ----
   Metnin içine serpiştirilen telif satırları. Gözle görünmez ve ekran
   okuyucular atlar (aria-hidden), ama metin kopyalandığında panoya gelir. */
.wm{position:absolute;width:1px;height:1px;margin:-1px;padding:0;border:0;
  overflow:hidden;clip-path:inset(50%);white-space:nowrap}

/* ---- figures ---- */
.fig{margin:.85rem 0;background:var(--sunk);border:1px solid var(--rule);
  border-radius:2px;padding:.55rem;display:flex;flex-direction:column;gap:.5rem}
.fig img{display:block;width:100%;height:auto;border-radius:1px}
.fig figcaption{padding:0 .15rem .1rem}

/* ---- PDF / yazdır butonu ---- */
.pdf-btn{font-family:var(--mono);font-size:.68rem;letter-spacing:.11em;
  text-transform:uppercase;background:none;color:var(--ink);
  border:1px solid var(--rule);border-radius:2px;padding:.7rem .9rem;
  cursor:pointer;display:inline-flex;align-items:center;gap:.5rem;align-self:flex-start}
.pdf-btn:hover{border-color:var(--accent);color:var(--accent)}
.pdf-btn svg{width:.95em;height:.95em;flex:none}
.cover .pdf-btn{margin-top:1.5rem}
.print-only{display:none}

/* ---- cta ---- */
.cta{margin:3rem 0 0;padding:1.7rem 1.35rem;border:1px solid var(--ink);border-radius:2px;
  display:flex;flex-direction:column;gap:.9rem}
.cta h2{font-family:var(--disp);font-weight:700;text-transform:uppercase;font-size:1.5rem;
  line-height:1.05;margin:0}
.cta p{font-size:.98rem;color:var(--ink2)}
.links{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:.2rem}
.links a{font-family:var(--mono);font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;
  padding:.7rem .95rem;border:1px solid var(--rule);border-radius:2px;
  text-decoration:none;color:var(--ink)}
.links a.pri{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.links a:hover{border-color:var(--accent);color:var(--accent)}
.links a.pri:hover{background:var(--accent);border-color:var(--accent);color:var(--paper)}
footer{margin:2.5rem 0 0;padding-top:1.1rem;border-top:1px solid var(--rule);
  display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap}

/* ---- drawer ---- */
.drawer{position:fixed;inset:0;z-index:60;display:none}
.drawer[data-open="1"]{display:block}
.drawer .scrim{position:absolute;inset:0;background:rgba(0,0,0,.45)}
.drawer .panel{position:absolute;top:0;right:0;bottom:0;width:min(22rem,88vw);
  background:var(--paper);border-left:1px solid var(--rule);overflow-y:auto;
  padding:1.1rem 1.25rem 2rem}
.drawer .panel .toc{margin:0}
.drawer .close{margin-left:auto;display:block;margin-bottom:1rem}
@media (prefers-reduced-motion:no-preference){
  .drawer .panel{animation:slide .22s ease-out}
  @keyframes slide{from{transform:translateX(12px);opacity:.4}to{transform:none;opacity:1}}
}

/* ---- baskı / PDF ----
   Dosyanın en sonunda duruyor: renk değişkenlerini karanlık mod bloklarından
   sonra ve en az onlar kadar özgül (:root:root) bir seçiciyle ezmesi gerekiyor,
   yoksa cihaz karanlık moddayken siyah zeminli PDF çıkıyor. */
@media print{
  :root:root{
    --paper:#fff; --card:#fff; --sunk:#fff;
    --ink:#000; --ink2:#333; --rule:#9a9a9a; --rule2:#cfcfcf;
    --accent:#1B4D7E; --warn:#8A3608; --warn-soft:#fff;
  }
  @page{margin:18mm 15mm}
  .bar,.drawer,.links,.pdf-btn,#prog{display:none!important}
  .print-only{display:block}

  body{background:#fff;color:#000;font-size:10.5pt;line-height:1.5;padding:0}
  .wrap{max-width:none;padding:0}
  a{color:inherit;text-decoration:none}

  .cover{padding:0}
  .cover h1{font-size:32pt}
  .vol span{font-size:13pt}
  .notice{background:#fff;border:1px solid var(--warn);padding:.6rem .7rem}
  .preface{margin-top:1.5rem}
  .preface .line{font-size:14pt}
  .toc{margin-top:1.5rem;break-after:page}

  /* her bölüm yeni sayfadan başlasın, başlıklar sayfa sonunda yalnız kalmasın */
  .ch{break-before:page;padding:0;gap:.75rem}
  .ch-head,.ch h3,.ch h4,.ch-kicker,.subtitle{break-after:avoid}
  p,li{orphans:3;widows:3}
  blockquote,.fig,ul.rules{break-inside:avoid}

  .fig{border:1px solid #bbb;background:#fff;padding:.3rem}
  /* height:auto şart: yazılmazsa img'nin height özniteliği (piksel) devreye
     girip en-boy oranını bozuyor. print-color-adjust ise tarayıcının
     "arka plan grafiklerini yazdırma" ayarına takılmamak için. */
  .fig img{max-height:105mm;max-width:100%;width:auto;height:auto;margin:0 auto;
    print-color-adjust:exact;-webkit-print-color-adjust:exact}

  .cta{border:1px solid #000;break-inside:avoid}
  footer{border-top:1px solid #999}
}