:root{--petrol:#0f4c5c;--petrol-d:#0a3540;--kum:#f4efe6;--kum-d:#e9e0d0;--terra:#c1553b;--ink:#1f2933;--mut:#52606d;--ok:#2f6f4f;--warn:#8a1f11}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;color:var(--ink);background:var(--kum);line-height:1.65}
h1,h2,h3,h4{font-family:Georgia,"Times New Roman",serif;color:var(--petrol-d);line-height:1.25}
a{color:var(--petrol);text-decoration:underline;text-underline-offset:2px}
a:hover{color:var(--terra)}
a:focus-visible,summary:focus-visible,button:focus-visible{outline:3px solid var(--terra);outline-offset:2px}
.skip{position:absolute;left:-999px;top:0;background:var(--petrol);color:#fff;padding:.6rem 1rem;z-index:99}
.skip:focus{left:0}
.wrap{max-width:72rem;margin:0 auto;padding:0 1rem}
.notice{background:var(--petrol-d);color:#fff;text-align:center;font-size:.83rem;padding:.5rem 1rem}
header.top{background:#fff;border-bottom:1px solid var(--kum-d);position:sticky;top:0;z-index:20}
.topin{display:flex;align-items:center;justify-content:space-between;height:4rem}
.logo{font-family:Georgia,serif;font-weight:700;font-size:1.15rem;color:var(--petrol-d);text-decoration:none}
.logo em{color:var(--terra);font-style:normal}
nav.main ul{display:flex;gap:1.4rem;list-style:none}
nav.main a{color:var(--ink);text-decoration:none;font-size:.93rem;font-weight:600}
nav.main a:hover{color:var(--terra)}
nav.mob{display:none}
.crumbs{background:var(--kum-d);font-size:.85rem;padding:.55rem 0;color:var(--mut)}
.crumbs ol{display:flex;gap:.5rem;list-style:none;flex-wrap:wrap}
.crumbs li::after{content:"›";margin-left:.5rem;color:#a9a29a}
.crumbs li:last-child::after{content:""}
.crumbs a{color:var(--mut);text-decoration:none}
.layout{display:grid;grid-template-columns:minmax(0,1fr);gap:2rem;padding:2.5rem 0}
@media(min-width:1024px){.layout{grid-template-columns:minmax(0,1fr) 17rem}.toc{position:sticky;top:5.5rem;align-self:start;max-height:calc(100vh - 7rem);overflow:auto}}
.toc{background:#fff;border:1px solid var(--kum-d);border-radius:.75rem;padding:1rem 1.1rem;font-size:.85rem}
.toc strong{display:block;font-size:.8rem;text-transform:uppercase;letter-spacing:.05em;color:var(--mut);margin-bottom:.5rem}
.toc ul{list-style:none}
.toc li{margin:.3rem 0}
.toc a{color:var(--ink);text-decoration:none}
.toc a:hover{color:var(--terra)}
.tocm{display:none}
@media(max-width:1023px){
nav.main{display:none}
nav.mob{display:block}
nav.mob summary{list-style:none;cursor:pointer;padding:.5rem .8rem;border:1px solid var(--kum-d);border-radius:.5rem;font-weight:600}
nav.mob ul{list-style:none;position:absolute;right:1rem;top:3.5rem;background:#fff;border:1px solid var(--kum-d);border-radius:.5rem;padding:.6rem 0;min-width:14rem;box-shadow:0 8px 24px rgba(0,0,0,.12);z-index:30}
nav.mob li a{display:block;padding:.55rem 1rem;color:var(--ink);text-decoration:none}
.layout{padding-top:1.5rem}
.tocm{display:block;margin-bottom:1.5rem}
.tocm details{background:#fff;border:1px solid var(--kum-d);border-radius:.75rem;padding:.8rem 1.1rem}
.tocm summary{cursor:pointer;font-weight:600;font-size:.85rem;color:var(--petrol-d)}
.toc{display:none}
}
article.page h1{font-size:1.9rem;margin-bottom:1.1rem}
article.page h2{font-size:1.35rem;margin:2.2rem 0 .8rem}
article.page h3{font-size:1.1rem;margin:1.5rem 0 .5rem}
article.page p{margin-bottom:1rem}
article.page ul,article.page ol{margin:0 0 1rem 1.4rem}
article.page li{margin:.35rem 0}
.kisa{background:#fff;border-left:4px solid var(--petrol);border-radius:0 .6rem .6rem 0;padding:1rem 1.2rem;margin-bottom:1.2rem}
.kisa strong{color:var(--petrol-d)}
.editline{font-size:.8rem;color:var(--mut);border-bottom:1px solid var(--kum-d);padding-bottom:.8rem;margin-bottom:1.4rem}
.acil{background:#fdf1ef;border:1.5px solid var(--warn);border-radius:.75rem;padding:1rem 1.2rem;margin:1.6rem 0}
.acil h2{color:var(--warn);margin-top:0;font-size:1.15rem}
.gain{background:#eef4f3;border:1px solid #c9dbd8;border-radius:.75rem;padding:1.1rem 1.2rem;margin:1.6rem 0}
.gain h2{margin-top:0;font-size:1.15rem}
.uyari{background:var(--kum-d);border-radius:.75rem;padding:1rem 1.2rem;margin:1.8rem 0;font-size:.9rem}
table{width:100%;border-collapse:collapse;margin:1rem 0;font-size:.92rem;background:#fff}
th,td{border:1px solid var(--kum-d);padding:.6rem .7rem;text-align:left;vertical-align:top}
th{background:var(--petrol);color:#fff;font-weight:600}
tr:nth-child(even) td{background:#faf7f0}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(15rem,1fr));gap:1rem;margin:1.4rem 0}
.card{background:#fff;border:1px solid var(--kum-d);border-radius:.75rem;padding:1.2rem;text-decoration:none;color:var(--ink);display:block}
.card:hover{border-color:var(--terra);text-decoration:none}
.card h3{color:var(--petrol-d);margin:0 0 .4rem;font-size:1.05rem}
.card p{font-size:.88rem;color:var(--mut);margin:0}
details.faq{border:1px solid var(--kum-d);border-radius:.6rem;background:#fff;margin:.5rem 0}
details.faq summary{cursor:pointer;padding:.85rem 1rem;font-weight:600;list-style:none}
details.faq summary::before{content:"+ ";color:var(--terra);font-weight:700}
details.faq[open] summary::before{content:"– "}
details.faq div{padding:0 1rem .9rem;font-size:.93rem}
.srcs{font-size:.85rem;color:var(--mut)}
.srcs li{margin:.4rem 0}
.hero{background:linear-gradient(135deg,var(--petrol) 0%,var(--petrol-d) 100%);color:#fff;padding:3rem 0}
.hero h1{color:#fff;max-width:44rem;font-size:2.1rem}
.hero p{color:#d8e3e6;max-width:44rem;margin-top:.8rem;font-size:1.05rem}
.badge{display:inline-block;background:var(--terra);color:#fff;font-size:.75rem;font-weight:600;padding:.25rem .7rem;border-radius:99px;margin-bottom:.9rem;letter-spacing:.04em}
.homegrid{padding:2.5rem 0}
footer{background:var(--petrol-d);color:#c8d6da;margin-top:3rem;padding:2.2rem 0;font-size:.85rem}
footer a{color:#e8efef;text-decoration:none}
footer a:hover{color:var(--terra)}
.footg{display:grid;grid-template-columns:repeat(auto-fit,minmax(12rem,1fr));gap:1.5rem;margin-bottom:1.4rem}
.footg h4{color:#fff;margin-bottom:.5rem;font-family:inherit;font-size:.85rem}
.footg ul{list-style:none}
.footg li{margin:.3rem 0}
.emerg{background:var(--terra);color:#fff;text-align:center;padding:.7rem;font-weight:600;font-size:.9rem}
.copy{border-top:1px solid rgba(255,255,255,.15);padding-top:1rem;color:#9fb6ba}
form.calc{background:#fff;border:1px solid var(--kum-d);border-radius:.75rem;padding:1.2rem;margin:1.2rem 0}
form.calc label{display:block;font-weight:600;font-size:.88rem;margin:.7rem 0 .25rem}
form.calc input,form.calc select{font:inherit;padding:.5rem .6rem;border:1px solid #b9b2a6;border-radius:.45rem;width:100%;max-width:22rem}
form.calc button{margin-top:1rem;background:var(--petrol);color:#fff;border:0;border-radius:.5rem;padding:.65rem 1.4rem;font-weight:600;cursor:pointer;font-size:.95rem}
form.calc button:hover{background:var(--terra)}
.res{background:#eef4f3;border:1px solid #c9dbd8;border-radius:.6rem;padding:1rem;margin-top:1rem;display:none}
.err{color:var(--warn);font-size:.88rem;margin-top:.6rem}
@media(max-width:640px){.hero h1{font-size:1.6rem}article.page h1{font-size:1.5rem}th,td{font-size:.84rem;padding:.45rem}}