*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{--navy:#0b1220;--ink:#0f172a;--indigo:#4f46e5;--indigo-hover:#4338ca;--indigo-light:#eef2ff;--indigo-mid:#e0e7ff;--text:#1e293b;--muted:#5b6b85;--border:#e2e8f5;--surface:#f6f8fc;--green:#10b981;--radius:14px;--font:'Plus Jakarta Sans',system-ui,sans-serif}
html{scroll-behavior:smooth}
body{font-family:var(--font);background:var(--surface);color:var(--text);line-height:1.7;font-size:16px;-webkit-font-smoothing:antialiased}
a{color:var(--indigo);text-decoration:none}
.wrap{max-width:820px;margin:0 auto;padding:0 22px}
.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.9);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--border)}
.nav-inner{max-width:1080px;margin:0 auto;height:60px;display:flex;align-items:center;justify-content:space-between;padding:0 22px}
.nav-logo{display:flex;align-items:center;gap:9px;font-weight:800;color:var(--navy);font-size:16px}
.nav-logo-mark{width:32px;height:32px;background:var(--indigo);border-radius:9px;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:900;font-size:13px}
.nav-back{font-size:14px;font-weight:700;color:var(--muted)}
.nav-back:hover{color:var(--indigo)}
.lhero{background:linear-gradient(135deg,#0a0f1e 0%,#1a2348 55%,#33399b 100%);color:#fff;padding:54px 22px 46px}
.lhero .wrap{padding:0 22px}
.crumb{font-size:13px;color:#a5b4fc;margin-bottom:16px}
.crumb a{color:#c7d2fe}
.badge{display:inline-block;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);color:#c7d2fe;font-size:12px;font-weight:700;padding:5px 12px;border-radius:999px;margin-bottom:14px}
.lhero h1{font-size:clamp(26px,4vw,40px);font-weight:800;letter-spacing:-1px;line-height:1.12;margin-bottom:14px}
.lhero .lead{font-size:17px;color:#dbe2ff;line-height:1.6;max-width:680px}
.focus{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.chip{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);color:#e0e7ff;border-radius:999px;padding:5px 12px;font-size:12.5px;font-weight:700}
.article{padding:48px 22px 16px}
.article h2{font-size:22px;font-weight:800;color:var(--navy);letter-spacing:-.4px;margin:34px 0 12px}
.article h2:first-child{margin-top:0}
.article p{font-size:16px;color:var(--text);margin-bottom:8px}
.steps,.quiz{padding-left:22px;margin:6px 0}
.steps li,.quiz li{margin:8px 0;padding-left:4px}
.steps li::marker,.quiz li::marker{color:var(--indigo);font-weight:800}
.prompts{display:grid;gap:14px;margin-top:6px}
.prompt{background:#0b1220;border:1px solid #283455;border-radius:16px;padding:20px;position:relative}
.prompt h3{color:#e7ecff;font-size:14.5px;font-weight:700;margin-bottom:9px}
.prompt pre{font-family:'Courier New',monospace;font-size:13px;color:#a5b4fc;line-height:1.6;white-space:pre-wrap;word-break:break-word}
.prompt .copy{position:absolute;top:14px;right:14px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);color:#c7d2fe;border-radius:8px;padding:5px 10px;font-size:12px;font-weight:700;cursor:pointer;font-family:var(--font)}
.prompt .copy.ok{color:#34d399;border-color:#34d399}
.ba{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:6px}
.ba .col{border-radius:12px;padding:14px 16px;font-size:14px;line-height:1.6}
.ba .before{background:#fef2f2;color:#7f1d1d;border:1px solid #fecaca}
.ba .after{background:#ecfdf5;color:#065f46;border:1px solid #a7f3d0}
.ba .col strong{display:block;font-size:11px;text-transform:uppercase;letter-spacing:.6px;margin-bottom:6px;opacity:.8}
.check{list-style:none;display:grid;gap:9px;margin-top:6px}
.check li{display:flex;gap:10px;align-items:flex-start;background:#fff;border:1px solid var(--border);border-radius:10px;padding:12px 14px;font-size:14.5px}
.check li::before{content:'✓';color:var(--green);font-weight:800;flex-shrink:0}
.note{background:#fff;border-left:3px solid var(--indigo);border:1px solid var(--border);border-left-width:3px;border-radius:12px;padding:16px 18px;margin:28px 0;font-size:14px;color:var(--muted);line-height:1.65}
.vt{display:inline-block;vertical-align:middle;font-size:11px;font-weight:800;letter-spacing:.5px;text-transform:uppercase;color:#92400e;background:#fffbeb;border:1px solid #fde68a;border-radius:999px;padding:3px 9px;margin-left:8px}
.ornek{background:#fffdf5;border:1px solid #fde68a;border-radius:12px;padding:14px 16px;font-size:15px;color:#5b4a1f;margin-bottom:6px}
.ornek-note{font-size:12.5px;color:var(--muted);margin-bottom:8px}
.ytbtn{display:inline-flex;align-items:center;gap:8px;background:#fff;border:1.5px solid var(--border);color:var(--navy);border-radius:12px;padding:12px 18px;font-size:14.5px;font-weight:700;transition:.15s;margin-top:4px}
.ytbtn:hover{border-color:#e11d48;color:#e11d48}
.pn{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:8px 0 56px;border-top:1px solid var(--border);padding-top:28px}
.pn a{background:#fff;border:1px solid var(--border);border-radius:14px;padding:16px 18px;transition:.2s}
.pn a:hover{border-color:var(--indigo);transform:translateY(-2px)}
.pn span{display:block;font-size:12px;color:var(--muted);margin-bottom:4px}
.pn strong{font-size:14.5px;color:var(--navy);line-height:1.3}
.pn-next{text-align:right}
.footer{background:var(--navy);color:#64748b;text-align:center;padding:34px 22px;font-size:14px}
.footer a{color:#818cf8}
.footer-logo{font-size:18px;font-weight:800;color:#fff;margin-bottom:8px}
@media(max-width:640px){.ba,.pn{grid-template-columns:1fr}.pn-next{text-align:left}}