:root{--green:#22C55E;--green-dark:#16A34A;--soft:#DCFCE7;--text:#111827;--muted:#6B7280;--bg:#F3F4F6;--card:#fff;--border:#E5E7EB}
*{box-sizing:border-box}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans SC",sans-serif;background:var(--bg);color:var(--text);line-height:1.6}
header{background:var(--card);border-bottom:1px solid var(--border)}
.bar{max-width:760px;margin:0 auto;padding:14px 20px;display:flex;align-items:center;justify-content:space-between;gap:12px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px;color:var(--text);text-decoration:none}
.logo{width:36px;height:36px;border-radius:50%;background:var(--green);display:grid;place-items:center;color:#fff;font-size:18px;box-shadow:0 4px 12px rgba(34,197,94,.35)}
.langs button{border:1px solid var(--border);background:var(--card);border-radius:20px;padding:6px 12px;font-weight:700;cursor:pointer;color:var(--muted);margin-left:4px}
.langs button.on{background:var(--green);border-color:var(--green);color:#fff}
main{max-width:760px;margin:0 auto;padding:28px 20px 60px}
.card{background:var(--card);border-radius:20px;padding:28px;box-shadow:0 6px 24px rgba(17,24,39,.06)}
h1{font-size:28px;line-height:1.25;margin:0 0 6px}
h2{font-size:18px;margin:28px 0 8px}
.meta{color:var(--muted);font-size:14px;margin-bottom:18px}
ul{padding-left:20px}
li{margin:4px 0}
a{color:var(--green-dark);font-weight:600}
.note{background:var(--soft);border-radius:14px;padding:14px 16px;color:#14532D;margin:16px 0}
.steps{counter-reset:s;list-style:none;padding:0}
.steps li{counter-increment:s;position:relative;padding-left:40px;margin:12px 0}
.steps li::before{content:counter(s);position:absolute;left:0;top:0;width:28px;height:28px;border-radius:50%;background:var(--text);color:#fff;display:grid;place-items:center;font-weight:800;font-size:14px}
.btn{display:inline-block;background:var(--green);color:#fff;text-decoration:none;border-radius:14px;padding:12px 20px;font-weight:800;margin-top:8px}
.links{display:grid;gap:12px;margin-top:20px}
.links a{display:block;background:var(--card);border:1px solid var(--border);border-radius:16px;padding:16px 18px;text-decoration:none;color:var(--text)}
.links a span{display:block;color:var(--muted);font-weight:400;font-size:14px}
footer{text-align:center;color:var(--muted);font-size:13px;padding:0 20px 40px}
[data-lang]{display:none}
html[lang=en] [data-lang=en],html[lang=tr] [data-lang=tr]{display:block}

/* MKB Software */
.brand img{width:36px;height:36px;border-radius:10px}
.mkb{width:36px;height:36px;border-radius:10px;background:#0F172A;color:#fff;display:grid;place-items:center;font-weight:900;font-size:13px;letter-spacing:.5px}
.hero{background:linear-gradient(135deg,#0F172A,#1E293B 60%,#14532D);color:#fff}
.hero .in{max-width:760px;margin:0 auto;padding:56px 20px 64px}
.hero h1{font-size:36px;margin:0 0 10px}
.hero p{color:#CBD5E1;font-size:17px;margin:0;max-width:560px}
.section-title{font-size:13px;font-weight:800;letter-spacing:1.5px;text-transform:uppercase;color:var(--muted);margin:0 0 12px}
.app{display:flex;gap:18px;align-items:center;background:var(--card);border-radius:20px;padding:20px;box-shadow:0 6px 24px rgba(17,24,39,.06);text-decoration:none;color:var(--text)}
.app img{width:72px;height:72px;border-radius:18px;flex:none}
.app h3{margin:0 0 4px;font-size:20px}
.app p{margin:0;color:var(--muted);font-size:15px}
.app .go{margin-left:auto;font-size:22px;color:var(--muted)}
.contact{margin-top:28px}
.app-head{display:flex;gap:16px;align-items:center;margin-bottom:8px}
.app-head img{width:64px;height:64px;border-radius:16px}
.app-head h1{margin:0}
.by{color:var(--muted);font-size:14px}
footer a{color:var(--muted)}