/* batuhanfirat.com — tek stil dosyası; sistem fontu, açık/koyu tema (sistem tercihi) */
:root{--bg:#fbfaf7;--yuzey:#ffffff;--ink:#16181d;--ikinci:#4b515c;--cizgi:#e4e2dc;--vurgu:#1f5fbf;--vurgu-ink:#ffffff;--yumusak:#f1efe9;color-scheme:light dark}
@media (prefers-color-scheme:dark){:root{--bg:#121316;--yuzey:#1a1c20;--ink:#ecebe7;--ikinci:#a8adb6;--cizgi:#2c2f35;--vurgu:#8ab4ff;--vurgu-ink:#0b1020;--yumusak:#1f2227}}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.65 system-ui,-apple-system,"Segoe UI",Roboto,"Noto Sans",sans-serif;overflow-wrap:break-word}
a{color:var(--vurgu);text-underline-offset:.18em}
a:hover{text-decoration-thickness:2px}
.atla{position:absolute;left:-999px;top:0}
.atla:focus{left:16px;top:8px;background:var(--yuzey);padding:.4rem .7rem;z-index:2}
.ust,main,.alt{max-width:46rem;margin:0 auto;padding-left:16px;padding-right:16px}
.ust{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:.5rem 1.5rem;padding-top:1.4rem;padding-bottom:1.4rem;border-bottom:1px solid var(--cizgi)}
.marka{font-weight:700;font-size:1.05rem;color:var(--ink);text-decoration:none;letter-spacing:-.01em}
.menu{display:flex;flex-wrap:wrap;gap:.25rem 1.1rem}
.menu a{color:var(--ikinci);text-decoration:none}
.menu a:hover,.menu a[aria-current=page]{color:var(--ink);text-decoration:underline}
main{padding-top:2.2rem;padding-bottom:3rem}
h1{font-size:clamp(1.9rem,5vw,2.5rem);line-height:1.15;letter-spacing:-.02em;margin:0 0 1rem}
h2{font-size:1.3rem;line-height:1.3;margin:2.4rem 0 .8rem}
h3{font-size:1.1rem;margin:0 0 .4rem}
p{margin:0 0 1rem}
.on{font-size:1.15rem;color:var(--ink)}
.giris p:not(.on){color:var(--ikinci)}
.proje-listesi{list-style:none;padding:0;margin:0 0 1.2rem;display:grid;grid-template-columns:repeat(auto-fill,minmax(14rem,1fr));gap:.1rem 1.2rem}
.proje-listesi li{padding:.45rem 0;border-bottom:1px solid var(--cizgi)}
.proje-listesi a{font-weight:600;text-decoration:none}
.alan{display:block;font-size:.85rem;color:var(--ikinci)}
.proje{background:var(--yuzey);border:1px solid var(--cizgi);border-radius:10px;padding:1.1rem 1.2rem;margin:0 0 .9rem;scroll-margin-top:1rem}
.proje p{margin:0 0 .6rem}
.proje p:last-child{margin:0}
.proje:target{outline:2px solid var(--vurgu);outline-offset:2px}
.kart{background:var(--yuzey);border:1px solid var(--cizgi);border-radius:10px;padding:1.1rem 1.2rem;margin:0 0 .9rem}
.kart h2{margin:0 0 .3rem;font-size:1.2rem}
.kart p:last-child{margin:0}
.yazilar{list-style:none;padding:0;margin:1.5rem 0 0}
.tarih{font-size:.9rem;color:var(--ikinci);margin-bottom:.6rem}
.kirinti{font-size:.9rem;color:var(--ikinci)}
.yazi ul{padding-left:1.2rem}
.yazi li{margin:0 0 .6rem}
.son{margin-top:2.2rem;padding-top:1rem;border-top:1px solid var(--cizgi);font-size:.95rem}
.eposta{font-size:1.25rem;font-weight:600}
.dugme{display:inline-block;background:var(--vurgu);color:var(--vurgu-ink);padding:.55rem 1rem;border-radius:8px;text-decoration:none;font-weight:600;margin-right:.8rem}
.dugme:hover{filter:brightness(1.08)}
.alt{border-top:1px solid var(--cizgi);padding-top:1.2rem;padding-bottom:2rem;font-size:.9rem;color:var(--ikinci)}
.alt p{margin:0}
:focus-visible{outline:2px solid var(--vurgu);outline-offset:2px}