:root{
  --paper:#f6f7fa; --card:#ffffff; --ink:#1b2436; --ink2:#3a4356; --mute:#727b90; --line:#e9ecf1;
  --accent:#16a34a; --accentd:#0f7c39; --accentlt:#e7f7ec; --navy:#1b2436;
  --shadow:0 1px 2px rgba(16,24,40,.04), 0 8px 24px -12px rgba(16,24,40,.10);
}
@media (prefers-color-scheme:dark){
  :root{ --paper:#12151a; --card:#191d24; --ink:#eceef2; --ink2:#c7cbd6; --mute:#8890a0; --line:#262b34; --accentlt:#122a1c; --shadow:0 1px 2px rgba(0,0,0,.3), 0 8px 24px -12px rgba(0,0,0,.5); }
}
:root[data-theme="dark"]{ --paper:#12151a; --card:#191d24; --ink:#eceef2; --ink2:#c7cbd6; --mute:#8890a0; --line:#262b34; --accentlt:#122a1c; --shadow:0 1px 2px rgba(0,0,0,.3), 0 8px 24px -12px rgba(0,0,0,.5); }
:root[data-theme="light"]{ --paper:#f6f7fa; --card:#ffffff; --ink:#1b2436; --ink2:#3a4356; --mute:#727b90; --line:#e9ecf1; --accentlt:#e7f7ec; --shadow:0 1px 2px rgba(16,24,40,.04), 0 8px 24px -12px rgba(16,24,40,.10); }

*{box-sizing:border-box}
body{margin:0;background:var(--paper);color:var(--ink2);font-family:'Inter',-apple-system,'Segoe UI',sans-serif;font-size:15.5px;line-height:1.65}
h1,h2,h3,h4{font-family:'Nunito',sans-serif;font-weight:800;color:var(--ink);text-wrap:balance;letter-spacing:-.01em}
a{color:var(--accentd);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:1160px;margin:0 auto;padding:0 28px}
.narrow{max-width:680px;margin:0 auto;padding:0 28px}

header.nav{position:sticky;top:0;z-index:40;background:color-mix(in srgb, var(--paper) 88%, transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.navrow{display:flex;align-items:center;gap:28px;height:64px}
.brand{display:flex;align-items:center;gap:9px;font-family:'Nunito';font-weight:900;font-size:18px;color:var(--ink);margin-right:auto;text-decoration:none}
.brand .mark{width:28px;height:28px;border-radius:8px;background:var(--accent);display:grid;place-items:center;color:#fff;font-weight:900;font-size:14px}
.backlink{font-size:13.5px;font-weight:700;color:var(--ink2);text-decoration:none}
.btn{display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:13.5px;padding:11px 20px;border-radius:9px;border:0;cursor:pointer;text-decoration:none}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accentd);text-decoration:none}

/* ---- blog listing ---- */
.pagehead{padding:56px 0 36px;text-align:center}
.eyebrow{font-size:11.5px;font-weight:700;letter-spacing:.09em;text-transform:uppercase;color:var(--accentd)}
.pagehead h1{font-size:33px;margin:12px 0 10px}
.pagehead p{color:var(--mute);font-size:14.5px;margin:0}
.pagehead-cta{margin-top:14px !important;font-weight:600}
.pagehead-cta a{color:var(--accentd);text-decoration:none;border-bottom:1.5px solid var(--accentd)}
.bloggrid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;padding-bottom:70px}
.blogcard{display:block;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:22px;box-shadow:var(--shadow)}
.blogcard .cat{font-size:10.5px;font-weight:700;letter-spacing:.05em;text-transform:uppercase;color:var(--accentd);margin-bottom:10px}
.blogcard h2,.blogcard h3{font-size:16px;line-height:1.35;margin-bottom:8px}
.blogcard p{font-size:12.5px;color:var(--mute);margin:0 0 14px;line-height:1.55}
.blogcard .meta{font-size:11px;color:var(--mute);display:flex;justify-content:space-between}
@media (max-width:900px){ .bloggrid{grid-template-columns:1fr} }

/* ---- article ---- */
article{padding:50px 0 60px}
.artmeta{display:flex;gap:14px;align-items:center;font-size:12px;color:var(--mute);margin-bottom:16px}
.artmeta .cat{color:var(--accentd);font-weight:700;text-transform:uppercase;letter-spacing:.05em;font-size:10.5px}
article h1{font-size:30px;line-height:1.2;margin:0 0 20px}
article h2{font-size:20px;margin:36px 0 12px}
article p{margin:0 0 18px;color:var(--ink2)}
article .lede{font-size:17px;color:var(--ink);font-weight:500;margin-bottom:26px}
article blockquote{margin:26px 0;padding:4px 0 4px 20px;border-left:3px solid var(--accent);font-size:16px;color:var(--ink);font-style:normal}
article ul{margin:0 0 18px;padding-left:20px}
article li{margin-bottom:8px;color:var(--ink2)}
.artcta{margin-top:44px;padding:28px;border-radius:14px;background:var(--accentlt);text-align:center}
.artcta p{color:var(--ink);font-weight:600;margin:0 0 14px}

footer{border-top:1px solid var(--line);padding:36px 0;font-size:12.5px;color:var(--mute);text-align:center}

/* Üreteç eklentileri: kategori başlığı (index) ve ilgili yazılar (makale sonu). */
.cathead{max-width:1160px;margin:36px auto 4px;padding:0 28px;font-family:'Nunito',sans-serif;font-weight:800;font-size:18px;color:var(--ink);letter-spacing:-.01em}
.related{max-width:680px;margin:8px auto 0;padding:20px 28px 0;border-top:1px solid var(--line)}
.related h3{font-family:'Nunito',sans-serif;font-weight:800;font-size:14px;color:var(--ink);margin:0 0 10px}
.related a{display:block;color:var(--accentd);text-decoration:none;font-weight:600;font-size:14px;padding:11px 0}
.related a:hover{text-decoration:underline}

/* ---- gezinme aksiyonları (üreteç: makale + index üst menü) ---- */
.navcta{display:flex;align-items:center;gap:20px}
.navcta a{font-size:13.5px;font-weight:700;color:var(--ink2);text-decoration:none;min-height:44px;display:inline-flex;align-items:center}
.navcta a:hover{color:var(--ink);text-decoration:none}
.navcta .navbtn{background:var(--accent);color:#fff;padding:0 16px;border-radius:9px}
.navcta .navbtn:hover{background:var(--accentd)}
/* Dar telefonlarda ikincil linkleri gizle; marka + "Başla" görünür kalsın (yatay taşmayı önler). */
@media (max-width:640px){ .navcta a:not(.navbtn):not(.backlink){display:none} .navrow{gap:14px} }
@media (max-width:420px){ .navcta .backlink{display:none} }

/* Dokunma hedefi ≥44px (WCAG 2.5.5) — blog üst/alt bağlantıları. */
.backlink{min-height:44px;display:inline-flex;align-items:center}

/* Mobilde gövde okunabilirliği (16px hedefi). */
@media (max-width:560px){ body{font-size:16px} article .lede{font-size:16px} }

/* --- Konu kümesi (pillar) hub sayfaları + makale pillar-ref --- */
.pillar-ref{margin:22px 0 2px;padding:12px 16px;border-left:3px solid var(--accent,#16a34a);background:color-mix(in srgb,var(--accent,#16a34a) 7%,transparent);border-radius:0 10px 10px 0;font-size:14px}
.pillar-ref a{font-weight:700}
.pillar-hero{max-width:800px;margin:0 auto 10px;text-align:center}
.pillar-hero h1{text-wrap:balance}
.pillar-intro{max-width:760px;margin:0 auto}
.pillar-intro h2{font-size:22px;margin:28px 0 10px}
.pillar-intro p{font-size:16px;line-height:1.7;margin:0 0 14px;color:var(--ink2,#3a4356)}
.pillar-links{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;max-width:760px;margin:22px auto 6px}
.pillar-link{display:inline-flex;align-items:center;font-weight:700;font-size:13.5px;padding:10px 16px;border-radius:99px;background:var(--accent,#16a34a);color:#fff;text-decoration:none}
.pillar-link:hover{filter:brightness(1.07)}
.pillar-count{font-size:13px;color:var(--mute,#727b90);text-align:center;margin:6px 0 0}