/* ==========================================================================
   Ortak tasarım sistemi. Tüm sayfalar bu dosyayı kullanır.
   Renk paleti data-viz erişilebilirlik doğrulamasından geçmiştir
   (CVD ayrımı, kontrast, açık/koyu tema). Hex değerlerini değiştirirken
   BRIEF.md > "Tasarım kuralları" bölümüne bakın.
   ========================================================================== */

:root{
  color-scheme: light;
  --plane:#f9f9f7; --surface:#fcfcfb;
  --ink:#0b0b0b; --ink-2:#52514e; --muted:#898781;
  --grid:#e1e0d9; --line:#c3c2b7; --ring:rgba(11,11,11,.10);
  --s1:#2a78d6; --s2:#eb6834; --s3:#1baf7a; --s4:#eda100;
  --good:#006300; --crit:#d03b3b;
  --accent:#2a78d6; --accent-ink:#fff;
  --navy:#1F3864;
  --field:#ffffff;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    color-scheme: dark;
    --plane:#0d0d0d; --surface:#1a1a19;
    --ink:#ffffff; --ink-2:#c3c2b7; --muted:#898781;
    --grid:#2c2c2a; --line:#383835; --ring:rgba(255,255,255,.10);
    --s1:#3987e5; --s2:#d95926; --s3:#199e70; --s4:#c98500;
    --good:#0ca30c; --crit:#e06767;
    --accent:#3987e5;
    --navy:#12213A;
    --field:#232322;
  }
}
:root[data-theme="dark"]{
  color-scheme: dark;
  --plane:#0d0d0d; --surface:#1a1a19;
  --ink:#ffffff; --ink-2:#c3c2b7; --muted:#898781;
  --grid:#2c2c2a; --line:#383835; --ring:rgba(255,255,255,.10);
  --s1:#3987e5; --s2:#d95926; --s3:#199e70; --s4:#c98500;
  --good:#0ca30c; --crit:#e06767;
  --accent:#3987e5;
  --navy:#12213A;
  --field:#232322;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0; background:var(--plane); color:var(--ink);
  font-family:system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:15px; line-height:1.5;
}
a{color:var(--accent)}

.wrap{max-width:940px;margin:0 auto;padding:20px 16px 56px}

/* --- üst bar ---------------------------------------------------------- */
.nav{display:flex;align-items:center;justify-content:space-between;gap:16px;
     padding:14px 0 26px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);
       font-weight:650;font-size:15px}
.brand .mark{width:22px;height:22px;border-radius:6px;flex:none;
  background:linear-gradient(135deg,var(--s1) 0 50%,var(--s3) 50% 100%)}
.nav-links{display:flex;align-items:center;gap:18px;font-size:14px}
.nav-links a{color:var(--ink-2);text-decoration:none}
.nav-links a:hover{color:var(--ink)}
.theme-btn{
  background:var(--surface);color:var(--ink-2);border:1px solid var(--ring);
  border-radius:8px;padding:7px 11px;font:inherit;font-size:13px;cursor:pointer;
}
.theme-btn:hover{color:var(--ink)}

/* --- tipografi -------------------------------------------------------- */
h1{font-size:24px;line-height:1.25;margin:0 0 6px;letter-spacing:-.01em}
h2.section{font-size:19px;margin:36px 0 14px;letter-spacing:-.01em}
.sub{color:var(--ink-2);margin:0 0 22px;font-size:14px;max-width:62ch}
.lede{font-size:17px;line-height:1.55;color:var(--ink-2);max-width:60ch;margin:0 0 26px}

/* --- kart ------------------------------------------------------------- */
.card{background:var(--surface);border:1px solid var(--ring);border-radius:14px;
      padding:20px;margin-bottom:16px}
.card h2{font-size:13px;text-transform:uppercase;letter-spacing:.06em;
         color:var(--muted);margin:0 0 16px;font-weight:600}

/* --- form ------------------------------------------------------------- */
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:14px}
label{display:block;font-size:13px;color:var(--ink-2);margin-bottom:5px}
input,select{
  width:100%;padding:9px 11px;border:1px solid var(--line);border-radius:9px;
  background:var(--field);color:var(--ink);font:inherit;font-size:15px;
  font-variant-numeric:tabular-nums;
}
input:focus,select:focus{outline:2px solid var(--accent);outline-offset:1px;border-color:var(--accent)}
.suffix{position:relative}
.suffix input{padding-right:34px}
.suffix span{position:absolute;right:11px;top:50%;transform:translateY(-50%);
             color:var(--muted);font-size:14px;pointer-events:none}

/* --- sonuç blokları --------------------------------------------------- */
.hero{display:flex;flex-wrap:wrap;gap:26px;align-items:baseline;margin-bottom:20px}
.hero .val{font-size:42px;font-weight:650;letter-spacing:-.02em;line-height:1}
.hero .lbl{font-size:13px;color:var(--muted);display:block;margin-bottom:6px}
.hero .side{font-size:24px;font-weight:600;line-height:1}
.pos{color:var(--good)} .neg{color:var(--crit)}

.bar{display:flex;width:100%;height:34px;border-radius:6px;overflow:hidden;gap:2px;margin:6px 0 14px}
.seg{height:100%;min-width:0;transition:flex-basis .18s ease}
.seg:first-child{border-radius:6px 0 0 6px}
.seg:last-child{border-radius:0 6px 6px 0}
.legend{display:grid;grid-template-columns:repeat(auto-fit,minmax(215px,1fr));gap:9px 26px;margin:0}
.lg{display:flex;align-items:center;gap:9px;font-size:14px}
.dot{width:11px;height:11px;border-radius:3px;flex:none}
.lg .nm{color:var(--ink-2)}
.lg .amt{margin-left:auto;font-variant-numeric:tabular-nums;color:var(--ink);font-weight:550}

.rows{width:100%;border-collapse:collapse;font-size:14px;margin-top:4px}
.rows td{padding:9px 0;border-bottom:1px solid var(--grid);color:var(--ink-2)}
.rows td:last-child{text-align:right;font-variant-numeric:tabular-nums;
                    color:var(--ink);font-weight:550}
.rows tr:last-child td{border-bottom:none}
.rows tr.strong td{font-weight:650;color:var(--ink);font-size:15px}

.note{font-size:13px;color:var(--muted);margin-top:12px}
.verdict{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;
         padding:7px 12px;border-radius:8px;border:1px solid var(--ring);margin-bottom:16px}

/* --- ürün çağrısı ----------------------------------------------------- */
.cta{background:var(--surface);border:1px solid var(--ring);
     border-left:3px solid var(--accent);border-radius:12px;padding:18px 20px}
.cta h3{margin:0 0 6px;font-size:16px}
.cta p{margin:0 0 12px;color:var(--ink-2);font-size:14px}
.btn{display:inline-block;background:var(--accent);color:var(--accent-ink);
     text-decoration:none;padding:10px 18px;border-radius:9px;font-weight:600;font-size:14px}
.btn:hover{filter:brightness(1.08)}
.btn.ghost{background:transparent;color:var(--accent);border:1px solid var(--accent)}

/* --- araç listesi (ana sayfa) ----------------------------------------- */
.tools{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:14px}
.tool{display:block;text-decoration:none;color:inherit;background:var(--surface);
      border:1px solid var(--ring);border-radius:14px;padding:20px;
      border-top:3px solid var(--tc,var(--s1));transition:transform .12s ease}
.tool:hover{transform:translateY(-2px)}
.tool h3{margin:0 0 6px;font-size:16px}
.tool p{margin:0;font-size:14px;color:var(--ink-2);line-height:1.45}
.tool .soon{display:inline-block;margin-top:10px;font-size:12px;color:var(--muted);
            border:1px solid var(--ring);border-radius:999px;padding:3px 9px}
.tool[aria-disabled="true"]{opacity:.62;pointer-events:none}

/* --- ürün vitrini ----------------------------------------------------- */
.product{display:flex;gap:26px;align-items:flex-start;background:var(--surface);
         border:1px solid var(--ring);border-radius:14px;padding:22px;flex-wrap:wrap}
.product img{width:270px;flex:none;border-radius:10px;border:1px solid var(--ring)}
.product .body{flex:1;min-width:250px}
.product h3{margin:0 0 8px;font-size:19px}
.product ul{margin:0 0 16px;padding-left:18px;color:var(--ink-2);font-size:14px;line-height:1.7}
.price{font-size:26px;font-weight:650;margin-bottom:14px}
.price .unit{color:var(--muted);font-size:15px;font-weight:400;margin-left:8px}

footer{color:var(--muted);font-size:12.5px;margin-top:34px;line-height:1.6;
       border-top:1px solid var(--grid);padding-top:18px}
footer a{color:var(--muted)}

@media (max-width:520px){
  h1{font-size:20px}
  .hero .val{font-size:34px}
  .product img{width:100%}
}