/* Layout: siyah-beyaz-kırmızı; siyah üst bant, beyaz zemin, tek sütunlu editoryal düzen, risk matrisi vurgusu */
:root{
  --bg:#FFFFFF;
  --surface:#F4F4F4;
  --ink:#000000;
  --muted:#555555;
  --line:#E2E2E2;
  --red:#D3101A;
  --red-ink:#FFFFFF;
  --band:#000000;
  --band-ink:#FFFFFF;
  --band-muted:#A8A8A8;
  --band-line:#2A2A2A;
  --r1:#EFEFEF; --r2:#CFCFCF; --r3:#8C8C8C; --r4:#000000; --r5:#D3101A;
  --display:"Archivo",system-ui,-apple-system,"Segoe UI",sans-serif;
  --serif:"Source Serif 4",Georgia,"Times New Roman",serif;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg:#000000; --surface:#111111; --ink:#FFFFFF; --muted:#A8A8A8; --line:#262626;
    --red:#EE2B33; --band:#000000; --band-ink:#FFFFFF; --band-muted:#A8A8A8; --band-line:#262626;
    --r1:#1A1A1A; --r2:#333333; --r3:#6B6B6B; --r4:#FFFFFF; --r5:#EE2B33;
    color-scheme:dark;
  }
}
:root[data-theme="dark"]{
  --bg:#000000; --surface:#111111; --ink:#FFFFFF; --muted:#A8A8A8; --line:#262626;
  --red:#EE2B33; --band:#000000; --band-ink:#FFFFFF; --band-muted:#A8A8A8; --band-line:#262626;
  --r1:#1A1A1A; --r2:#333333; --r3:#6B6B6B; --r4:#FFFFFF; --r5:#EE2B33;
  color-scheme:dark;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--display);font-size:17px;line-height:1.55;-webkit-font-smoothing:antialiased}
a{color:inherit}
img{max-width:100%;height:auto}
:focus-visible{outline:2px solid var(--red);outline-offset:3px;border-radius:2px}
.wrap{max-width:1080px;margin:0 auto;padding-left:max(24px, env(safe-area-inset-left, 0px));padding-right:max(24px, env(safe-area-inset-right, 0px))}
.narrow{max-width:760px}
h1,h2,h3{text-wrap:balance}

/* header */
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:11;background:var(--band)}
.site-header{position:sticky;top:env(safe-area-inset-top,0px);z-index:10;background:var(--band);color:var(--band-ink);border-bottom:4px solid var(--red)}
.bar{display:flex;align-items:center;justify-content:space-between;height:64px;gap:16px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--band-ink)}
.brand .mark{width:26px;height:26px;flex:none;transition:transform .25s ease}
.brand .word{font-weight:800;font-stretch:118%;letter-spacing:-.02em;font-size:20px;line-height:1}
.brand .word b{font-weight:500;font-stretch:100%;color:var(--red);letter-spacing:0;margin-left:1px}
@media (prefers-reduced-motion:no-preference){.brand:hover .mark{transform:rotate(-90deg)}}
nav{display:flex;align-items:center;gap:22px}
nav a{text-decoration:none;color:var(--muted);font-size:15px}
nav a:hover,nav a[aria-current="page"]{color:var(--ink)}
.site-header nav a{color:var(--band-muted)}
.site-header nav a:hover,.site-header nav a[aria-current="page"]{color:var(--band-ink)}
.lang{display:flex;border:1px solid var(--band-line);border-radius:4px;overflow:hidden}
.lang button{all:unset;cursor:pointer;padding:5px 10px;font-size:13px;font-weight:600;color:var(--band-muted)}
.lang button[aria-pressed="true"]{background:var(--band-ink);color:var(--band)}
@media (max-width:640px){nav .opt{display:none}}
@media (max-width:480px){nav{gap:16px}.brand .word{display:none}.brand .mark{width:30px;height:30px}}

.btn{display:inline-block;text-decoration:none;font:inherit;font-weight:600;padding:12px 20px;border-radius:6px;border:1px solid var(--ink);background:transparent;color:var(--ink);font-size:16px;cursor:pointer}
.btn.primary{background:var(--red);border-color:var(--red);color:var(--red-ink)}
.btn.small{padding:7px 12px;font-size:14px}
.btn:hover{filter:brightness(1.08)}

/* hero */
.hero{display:grid;grid-template-columns:1.25fr 1fr;gap:56px;align-items:center;padding:88px 0 96px}
.hero > *{min-width:0}
.hero h1{font-size:clamp(44px,7vw,84px);line-height:.98;font-weight:800;font-stretch:118%;letter-spacing:-.03em;margin:0 0 22px}
.hero h1 .last{display:block;letter-spacing:-.01em}
.hero .role{font-size:clamp(19px,2.2vw,23px);color:var(--muted);max-width:30ch;margin:0 0 32px;line-height:1.4}
.cta{display:flex;gap:12px;flex-wrap:wrap}
.matrix-fig{margin:0}
.matrix{display:grid;grid-template-columns:repeat(5,1fr);gap:6px;aspect-ratio:1;max-width:min(400px,100%);margin-left:auto}
.cell{border-radius:4px;background:var(--r1);position:relative}
.cell[data-l="2"]{background:var(--r2)}
.cell[data-l="3"]{background:var(--r3)}
.cell[data-l="4"]{background:var(--r4)}
.cell[data-l="5"]{background:var(--r5)}
.axes{display:flex;justify-content:space-between;max-width:min(400px,100%);margin:10px 0 0 auto;font-size:13px;color:var(--muted)}
@media (prefers-reduced-motion:no-preference){
  .cell{animation:pop .45s cubic-bezier(.2,.8,.2,1) both;animation-delay:calc(var(--d) * 45ms + 150ms)}
  @keyframes pop{from{opacity:.15;transform:scale(.6)}to{opacity:1;transform:none}}
}
@media (max-width:820px){
  .hero{grid-template-columns:1fr;gap:40px;padding:56px 0 64px}
  .matrix,.axes{margin-left:0;max-width:300px}
}

/* sections */
.section{padding-block:72px;border-top:1px solid var(--line)}
.section h2{font-size:clamp(28px,3.4vw,38px);font-weight:700;font-stretch:112%;letter-spacing:-.02em;margin:0 0 28px}
.section-head{display:flex;justify-content:space-between;align-items:baseline;gap:16px;flex-wrap:wrap;margin-bottom:8px}
.section-head h2{margin:0}
.section-head a{color:var(--muted);font-size:15px}
.split{display:grid;grid-template-columns:1fr 1.6fr;gap:56px}
.split > *{min-width:0}
.lede p{font-family:var(--serif);font-size:19px;line-height:1.7;margin:0 0 18px;max-width:62ch}
@media (max-width:820px){.split{grid-template-columns:1fr;gap:0}}

.areas{display:grid;grid-template-columns:repeat(2,1fr);border-top:1px solid var(--line)}
.area{padding:28px 28px 28px 0;border-bottom:1px solid var(--line);min-width:0}
.area:nth-child(odd){border-right:1px solid var(--line)}
.area:nth-child(even){padding-left:28px}
.area h3{margin:0 0 8px;font-size:20px;font-weight:700;display:flex;align-items:center;gap:10px}
.area h3 span{width:10px;height:10px;border-radius:2px;background:var(--red);flex:none}
.area p{margin:0;color:var(--muted);max-width:48ch}
@media (max-width:700px){
  .areas{grid-template-columns:1fr}
  .area,.area:nth-child(even){padding:24px 0;border-right:none}
}

/* post list */
.posts{list-style:none;margin:0;padding:0}
.posts li{border-bottom:1px solid var(--line)}
.posts a{display:grid;grid-template-columns:9.5rem 1fr;gap:24px;padding:24px 0;text-decoration:none}
.posts a > *{min-width:0}
.posts time{color:var(--muted);font-size:14px;padding-top:4px;font-variant-numeric:tabular-nums}
.posts h3{margin:0 0 6px;font-size:22px;line-height:1.25;font-weight:700}
.posts a:hover h3{color:var(--red)}
.posts p{margin:0;color:var(--muted);max-width:62ch}
@media (max-width:600px){.posts a{grid-template-columns:1fr;gap:6px}}
.empty{color:var(--muted);padding:24px 0}

/* page head */
.page-head{padding-block:64px 32px}
.page-head h1{font-size:clamp(36px,5vw,56px);font-weight:800;font-stretch:115%;letter-spacing:-.025em;margin:0 0 12px;line-height:1.05}
.page-head p{color:var(--muted);margin:0;max-width:56ch;font-size:19px}

/* article */
.article-head{padding-block:56px 28px;border-bottom:1px solid var(--line);margin-bottom:36px}
.back{color:var(--muted);font-size:15px;text-decoration:none}
.back:hover{color:var(--ink)}
.article-head h1{font-size:clamp(34px,5vw,54px);font-weight:800;font-stretch:112%;letter-spacing:-.025em;line-height:1.06;margin:20px 0 14px}
.article-head .desc{font-size:21px;color:var(--muted);margin:0 0 18px;line-height:1.45;max-width:46ch}
.meta{color:var(--muted);font-size:14px;display:flex;gap:16px;flex-wrap:wrap}
.cover{margin:0 0 36px;border-radius:8px;overflow:hidden}
.prose{max-width:68ch;font-family:var(--serif);font-size:19px;line-height:1.75}
.prose > *{margin:0 0 1.1em}
.prose h2,.prose h3{font-family:var(--display);line-height:1.25;margin:1.8em 0 .5em}
.prose h2{font-size:27px;letter-spacing:-.01em}
.prose h3{font-size:21px}
.prose a{color:var(--red)}
.prose blockquote{margin-left:0;padding-left:20px;border-left:3px solid var(--red);color:var(--muted)}
.prose code{font-size:.85em;background:var(--surface);border:1px solid var(--line);border-radius:4px;padding:1px 5px}
.prose pre{overflow-x:auto;background:var(--surface);border:1px solid var(--line);border-radius:6px;padding:16px;font-size:15px}
.prose table{border-collapse:collapse;font-family:var(--display);font-size:15px}
.prose th,.prose td{border:1px solid var(--line);padding:8px 10px;text-align:left}
.prose img{border-radius:6px}
.share{display:flex;gap:10px;flex-wrap:wrap;align-items:center;padding-block:28px;margin-top:40px;border-top:1px solid var(--line)}
.share span{color:var(--muted);font-size:15px;margin-right:4px}

.contact{display:flex;justify-content:space-between;align-items:flex-end;gap:32px;flex-wrap:wrap}
.contact p{color:var(--muted);max-width:44ch;margin:0}
.links{display:flex;flex-direction:column;gap:10px;font-size:20px;font-weight:600}
.links a{text-decoration:none;border-bottom:2px solid var(--red);padding-bottom:2px;width:fit-content}

.site-footer{background:var(--band);color:var(--band-muted);padding-block:28px;font-size:14px;margin-top:56px;border-top:4px solid var(--red)}
.site-footer .wrap{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
.site-footer nav{gap:16px}
.site-footer a{color:var(--band-muted);font-size:14px}
.site-footer a:hover{color:var(--band-ink)}

/* topics */
.topics{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);border-top:2px solid var(--ink)}
.topics li{border-bottom:1px solid var(--line);min-width:0}
.topics li:not(:nth-child(3n)){border-right:1px solid var(--line)}
.topics a{display:flex;flex-direction:column;gap:8px;height:100%;padding:24px 22px 22px;text-decoration:none}
.topics h3{margin:0;font-size:21px;font-weight:800;font-stretch:110%}
.topics p{margin:0;color:var(--muted);font-size:15px;flex:1}
.topics .count{font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums}
.topics a:hover{background:var(--ink);color:var(--bg)}
.topics a:hover p,.topics a:hover .count{color:var(--bg)}
.topics a:hover h3{color:var(--red)}
@media (max-width:820px){.topics{grid-template-columns:repeat(2,1fr)}.topics li:not(:nth-child(3n)){border-right:none}.topics li:nth-child(odd){border-right:1px solid var(--line)}}
@media (max-width:520px){.topics{grid-template-columns:1fr}.topics li:nth-child(odd){border-right:none}}
.tag{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;color:var(--red);text-decoration:none;margin-bottom:6px}
a.tag:hover{text-decoration:underline}

/* featured */
.featured{display:block;text-decoration:none;background:var(--band);color:var(--band-ink);padding:32px;margin:20px 0 8px;border-left:6px solid var(--red)}
.featured .flag{display:inline-block;background:var(--red);color:var(--red-ink);font-size:12px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;padding:3px 8px;margin-right:10px}
.featured .tag{color:var(--band-muted)}
.featured h3{font-size:clamp(24px,3vw,32px);line-height:1.15;margin:14px 0 10px;font-weight:800;font-stretch:110%}
.featured p{color:var(--band-muted);margin:0 0 18px;max-width:60ch}
.featured .more{font-weight:600;border-bottom:2px solid var(--red);padding-bottom:2px}
.featured:hover h3{color:var(--red)}

/* about page */
.about-head{display:grid;grid-template-columns:220px 1fr;gap:40px;align-items:center;padding-block:64px 48px;border-bottom:2px solid var(--ink)}
.about-head > *{min-width:0}
.about-head h1{font-size:clamp(38px,5.5vw,64px);font-weight:800;font-stretch:118%;letter-spacing:-.03em;line-height:1;margin:0 0 16px}
.one-liner{font-size:21px;color:var(--muted);margin:0 0 24px;max-width:46ch;line-height:1.45}
.portrait img{display:block;width:220px;max-width:100%;aspect-ratio:1;object-fit:cover;filter:grayscale(1) contrast(1.05)}
.monogram{display:grid;grid-template-columns:1fr 1fr;gap:6px;width:220px;max-width:100%;aspect-ratio:2/1}
.monogram span{display:grid;place-items:center;font-size:56px;font-weight:800;font-stretch:120%;background:var(--ink);color:var(--bg)}
.monogram span:last-child{background:var(--red);color:var(--red-ink)}
@media (max-width:700px){.about-head{grid-template-columns:1fr;gap:24px;padding-top:40px}.monogram{width:160px}.monogram span{font-size:40px}.portrait img{width:160px}}
.about-body{max-width:760px}
.about-block{padding-block:40px;border-bottom:1px solid var(--line)}
.about-block:last-child{border-bottom:none}
.about-block h2{font-size:26px;font-weight:800;font-stretch:110%;margin:0 0 18px}
.timeline{list-style:none;margin:0;padding:0}
.timeline li{display:grid;grid-template-columns:10rem 1fr;gap:20px;padding:16px 0;border-top:1px solid var(--line)}
.timeline li:first-child{border-top:none;padding-top:0}
.timeline li > *{min-width:0}
.timeline .when{font-size:14px;color:var(--muted);padding-top:3px;font-variant-numeric:tabular-nums}
.timeline h3{margin:0 0 2px;font-size:19px}
.timeline p{margin:0;color:var(--muted)}
.timeline .area-line{color:var(--red);font-size:14px;font-weight:600;margin-bottom:6px}
@media (max-width:560px){.timeline li{grid-template-columns:1fr;gap:4px}}
.plain-list{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 32px}
.plain-list li{padding:10px 0 10px 18px;border-bottom:1px solid var(--line);position:relative}
.plain-list li::before{content:"";position:absolute;left:0;top:19px;width:8px;height:8px;background:var(--red)}
@media (max-width:560px){.plain-list{grid-template-columns:1fr}}
.cert-line{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:4px 0;color:var(--muted);font-size:16px}
.li-note{margin:20px 0 0;color:var(--muted)}
.li-note a{color:var(--ink);font-weight:600;text-decoration:none;border-bottom:2px solid var(--red)}
.cert-line li:not(:last-child)::after{content:"/";margin:0 10px;color:var(--line)}

/* resources */
.res-group{padding-block:8px 32px}
.res-group h2{font-size:24px;font-weight:800;font-stretch:110%;margin:0 0 4px;padding-bottom:10px;border-bottom:2px solid var(--ink)}
.resources{list-style:none;margin:0;padding:0}
.resources li{padding:20px 0;border-bottom:1px solid var(--line)}
.resources h3{margin:0 0 2px;font-size:20px}
.resources h3 a{text-decoration:none;border-bottom:2px solid var(--red)}
.resources .by{color:var(--ink);font-size:15px;margin:0 0 6px}
.resources p{margin:0;color:var(--muted);max-width:62ch}

.lang-note{font-family:var(--display);font-size:15px;color:var(--muted);border-left:3px solid var(--red);padding-left:12px}

[hidden]{display:none !important}
[data-en]{display:none}
html[lang="en"] [data-tr]{display:none}
html[lang="en"] [data-en]{display:revert}