/* ERC Soft — Foriba/Sovos Uzman Destek | YetkinWeb QA/SEO/Perf standartlarına uyumlu */
/* Sistem font zinciri: harici font isteği yok -> render-blocking yok, FOIT yok, latin-ext hazır */
:root{
  --blue:#1877c9; --blue-d:#12324f; --green:#2c9c42; --wa:#25d366;
  --bg:#ffffff; --bg-soft:#f4f8fc; --card:#ffffff; --border:#e2e9f0;
  --text:#1f2a37; --muted:#5b6b7a; --head:#12324f;
  --ring:rgba(24,120,201,.35);
  --shadow:0 10px 30px rgba(18,50,79,.08);
  --radius:14px; --maxw:1140px;
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans",sans-serif;
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --bg:#0f1720; --bg-soft:#131e29; --card:#16222f; --border:#26333f;
    --text:#e4ebf2; --muted:#9fb0be; --head:#eaf1f8;
    --shadow:0 12px 34px rgba(0,0,0,.35);
  }
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--font);font-size:17px;line-height:1.65;color:var(--text);background:var(--bg);overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:var(--blue);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{color:var(--head);line-height:1.25;margin:0 0 .5em;font-weight:800}
h1{font-size:clamp(28px,5vw,44px)}
h2{font-size:clamp(23px,3.5vw,32px)}
h3{font-size:clamp(18px,2.5vw,21px)}
p{margin:0 0 1em}
.container{max-width:var(--maxw);margin:0 auto;padding:0 20px}
section{padding:64px 0}
:focus-visible{outline:3px solid var(--ring);outline-offset:2px;border-radius:6px}
.skip{position:absolute;left:-9999px;top:0;background:var(--blue);color:#fff;padding:10px 16px;z-index:1000}
.skip:focus{left:8px;top:8px}
/* ---- Buttons ---- */
.btn{display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:16px;padding:14px 26px;border-radius:10px;border:2px solid transparent;cursor:pointer;transition:.18s;min-height:48px}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn-primary{background:var(--blue);color:#fff!important;box-shadow:0 8px 20px var(--ring)}
.btn-primary:hover{background:#1367ad}
.btn-wa{background:var(--wa);color:#fff!important}
.btn-ghost{background:transparent;color:var(--blue)!important;border-color:var(--border)}
/* ---- Header ---- */
.site-header{position:sticky;top:0;z-index:100;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(8px);border-bottom:1px solid var(--border)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:68px;padding-top:env(safe-area-inset-top)}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--head);font-size:18px}
.brand .logo{width:34px;height:34px;flex:0 0 34px}
.brand small{display:block;font-size:11px;font-weight:600;color:var(--muted);letter-spacing:.3px}
.menu{display:flex;align-items:center;gap:6px;list-style:none;margin:0;padding:0}
.menu a{color:var(--text);font-weight:600;font-size:15px;padding:9px 12px;border-radius:8px}
.menu a:hover,.menu a[aria-current="page"]{background:var(--bg-soft);text-decoration:none;color:var(--blue)}
.nav-cta{display:flex;gap:10px;align-items:center}
.hamburger{display:none;background:none;border:1px solid var(--border);border-radius:8px;width:46px;height:46px;cursor:pointer;color:var(--head)}
@media(max-width:900px){
  .menu,.nav-cta .btn-ghost{display:none}
  .hamburger{display:inline-flex;align-items:center;justify-content:center}
  .menu.open{display:flex;position:fixed;inset:68px 0 0 0;flex-direction:column;align-items:stretch;gap:0;background:var(--bg);padding:12px 20px;overflow:auto}
  .menu.open a{padding:16px 8px;border-bottom:1px solid var(--border);font-size:17px}
  body.nav-lock{overflow:hidden}
}
/* ---- Hero ---- */
.hero{background:linear-gradient(135deg,#0e2a45,#164b78 60%,#1877c9);color:#fff;padding:76px 0}
.hero h1{color:#fff}
.hero .lead{font-size:clamp(17px,2.4vw,20px);color:#d7e6f5;max-width:640px;margin-bottom:26px}
.hero .sub{display:inline-block;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.25);color:#eaf3fb;font-weight:700;font-size:13px;padding:6px 14px;border-radius:20px;margin-bottom:18px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.hero .btn-ghost{color:#fff!important;border-color:rgba(255,255,255,.5)}
.hero-note{margin-top:16px;font-size:13px;color:#bcd3e8}
/* ---- Trust strip ---- */
.trust{background:var(--bg-soft);border-bottom:1px solid var(--border)}
.trust .grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center}
.trust .n{font-size:clamp(24px,4vw,34px);font-weight:800;color:var(--blue)}
.trust .l{font-size:14px;color:var(--muted)}
/* ---- Cards ---- */
.sec-head{text-align:center;max-width:720px;margin:0 auto 42px}
.sec-head .kicker{color:var(--blue);font-weight:800;letter-spacing:1px;text-transform:uppercase;font-size:13px}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:28px 24px;box-shadow:var(--shadow);transition:.18s}
.card:hover{transform:translateY(-3px)}
.card .ic{width:52px;height:52px;border-radius:12px;background:color-mix(in srgb,var(--blue) 12%,transparent);display:flex;align-items:center;justify-content:center;color:var(--blue);margin-bottom:14px}
.card h3{margin-bottom:8px}
.card p{color:var(--muted);font-size:15.5px;margin:0}
/* ---- Split / why ---- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
.checklist{list-style:none;margin:14px 0 0;padding:0}
.checklist li{position:relative;padding:10px 0 10px 34px;border-bottom:1px dashed var(--border);color:var(--text)}
.checklist li::before{content:"";position:absolute;left:0;top:12px;width:20px;height:20px;background:var(--green);border-radius:50%;mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='white' d='M9 16.2 4.8 12l-1.4 1.4L9 19 21 7l-1.4-1.4z'/%3E%3C/svg%3E") center/16px no-repeat}
/* ---- FAQ ---- */
.faq{max-width:820px;margin:0 auto}
.faq details{background:var(--card);border:1px solid var(--border);border-radius:12px;margin-bottom:12px;overflow:hidden}
.faq summary{cursor:pointer;padding:18px 22px;font-weight:700;color:var(--head);list-style:none;display:flex;justify-content:space-between;gap:12px;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:22px;color:var(--blue);flex:0 0 auto}
.faq details[open] summary::after{content:"−"}
.faq .a{padding:0 22px 20px;color:var(--muted)}
/* ---- CTA band ---- */
.cta-band{background:linear-gradient(120deg,#12324f,#1877c9);color:#fff;border-radius:18px;padding:44px;text-align:center;margin:0 20px}
.cta-band h2{color:#fff}
.cta-band p{color:#d7e6f5;max-width:560px;margin:0 auto 22px}
.cta-band .btn-ghost{color:#fff!important;border-color:rgba(255,255,255,.55)}
/* ---- Forms ---- */
.form-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{margin-bottom:16px}
.field label{display:block;font-weight:600;font-size:14px;margin-bottom:6px;color:var(--head)}
.field input,.field textarea{width:100%;padding:13px 14px;border:1px solid var(--border);border-radius:10px;background:var(--bg);color:var(--text);font:inherit;font-size:16px}
.field textarea{min-height:130px;resize:vertical}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.kvkk-row{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--muted)}
.kvkk-row input{margin-top:4px;flex:0 0 auto}
/* ---- Footer ---- */
.site-footer{background:var(--blue-d);color:#c7d6e4;padding:52px 0 24px;padding-bottom:calc(24px + env(safe-area-inset-bottom))}
.site-footer h4{color:#fff;font-size:16px;margin-bottom:14px}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1.4fr;gap:34px}
.site-footer a{color:#c7d6e4}
.site-footer a:hover{color:#fff}
.foot-links{list-style:none;padding:0;margin:0}
.foot-links li{margin-bottom:9px}
.foot-contact li{margin-bottom:10px;list-style:none}
.foot-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:34px;padding-top:18px;font-size:13px;color:#93a7b8;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}
.disclaimer{font-size:12.5px;color:#8598a8;margin-top:10px;max-width:760px}
/* ---- Responsive ---- */
@media(max-width:900px){
  .cards{grid-template-columns:1fr 1fr}
  .split{grid-template-columns:1fr;gap:26px}
  .foot-grid{grid-template-columns:1fr 1fr}
  .trust .grid{grid-template-columns:1fr 1fr;gap:26px}
}
@media(max-width:560px){
  section{padding:48px 0}
  .cards{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .cta-band{padding:32px 22px}
}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}