/* ===================================================================
   Destek Bilgisayar — ortak site stili (çözüm sayfaları + genişletilebilir)
   Ana sayfa (index.html) ile birebir tasarım sistemi.
   =================================================================== */
:root{
  --ink:#07142B; --ink-2:#0A1D39; --surface:#102A49; --surface-2:#173A5C;
  --line:rgba(255,255,255,.09); --line-2:rgba(255,255,255,.16);
  --blue:#1BA3DE; --blue-hi:#45BAEC; --blue-glow:rgba(27,163,222,.38);
  --live:#8CC63F; --live-glow:rgba(140,198,63,.5);
  --hi:#EAF1F8; --lo:#93A6C0; --lo-2:#7186A4;
  --maxw:1180px; --ease:cubic-bezier(.22,.61,.36,1);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--ink);color:var(--hi);font-family:"IBM Plex Sans",system-ui,sans-serif;
  font-size:17px;line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:hidden}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px}
.mono{font-family:"IBM Plex Mono",monospace;font-feature-settings:"tnum" 1}
h1,h2,h3{font-family:"Archivo",sans-serif;font-weight:800;line-height:1.06;letter-spacing:-.02em}
a{color:inherit;text-decoration:none}
section{position:relative}
img{max-width:100%;display:block}

/* ambient background */
.field{position:fixed;inset:0;z-index:-2;pointer-events:none;
  background:
    radial-gradient(900px 600px at 78% -8%, rgba(27,163,222,.14), transparent 60%),
    radial-gradient(700px 700px at 8% 10%, rgba(140,198,63,.07), transparent 55%),
    radial-gradient(1000px 800px at 50% 120%, rgba(20,70,140,.26), transparent 60%),
    var(--ink);
}
.grain{position:fixed;inset:0;z-index:-1;pointer-events:none;opacity:.045;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");}

.dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--live);
  box-shadow:0 0 0 0 var(--live-glow);animation:pulse 2.4s infinite var(--ease)}
@keyframes pulse{0%{box-shadow:0 0 0 0 var(--live-glow)}70%{box-shadow:0 0 0 7px transparent}100%{box-shadow:0 0 0 0 transparent}}

/* ---------- topbar ---------- */
.topbar{background:var(--ink);border-bottom:1px solid var(--line)}
.topbar-in{display:flex;align-items:center;justify-content:space-between;gap:14px 22px;min-height:40px;flex-wrap:wrap;font-size:12.5px}
.tb-left,.tb-right{display:flex;align-items:center;gap:14px 22px;flex-wrap:wrap}
.tb-item{display:inline-flex;align-items:center;gap:7px;color:var(--lo);font-family:"IBM Plex Sans";line-height:1.4;transition:color .18s}
.tb-item svg{width:14px;height:14px;color:var(--blue);flex:0 0 14px}
a.tb-item:hover{color:var(--hi)}
.tb-hours svg{color:var(--live)}

/* ---------- nav ---------- */
header{position:sticky;top:0;z-index:50;backdrop-filter:blur(14px);
  background:linear-gradient(180deg, rgba(8,13,23,.86), rgba(8,13,23,.55));border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;gap:22px;height:72px}
.brand{display:flex;align-items:center;gap:11px;font-family:"Archivo";font-weight:900;letter-spacing:-.02em;font-size:20px}
.brand .mark{width:30px;height:30px;flex:0 0 30px;display:grid;place-items:center;
  border:1px solid var(--line-2);border-radius:9px;background:var(--surface)}
.brand .mark svg{width:20px;height:20px}
.brand .wm{font-family:"Archivo";font-weight:900;font-size:19px;letter-spacing:-.02em;color:var(--hi);white-space:nowrap}
.brand .wm .wm-2{color:var(--lo);font-weight:700}
.nav .links{display:flex;gap:20px;margin-left:8px}
.nav .links a{font-size:14.5px;color:var(--lo);transition:color .2s;white-space:nowrap}
.nav .links a:hover{color:var(--hi)}
.nav .right{margin-left:auto;display:flex;align-items:center;gap:18px}
.btn{display:inline-flex;align-items:center;gap:9px;font-family:"IBM Plex Sans";font-weight:600;
  font-size:14.5px;padding:11px 18px;border-radius:11px;cursor:pointer;border:1px solid transparent;
  transition:transform .18s var(--ease), box-shadow .25s, background .2s, border-color .2s;white-space:nowrap}
.btn-primary{background:var(--blue);color:#04202F;box-shadow:0 8px 24px -8px var(--blue-glow)}
.btn-primary:hover{background:var(--blue-hi);transform:translateY(-2px);box-shadow:0 14px 34px -8px var(--blue-glow)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--hi);border-color:var(--line-2)}
.btn-ghost:hover{border-color:var(--blue);color:var(--blue-hi);transform:translateY(-2px)}
.btn-call{padding:11px 15px}
.btn-call svg{width:16px;height:16px}
.btn:focus-visible{outline:2px solid var(--blue-hi);outline-offset:2px}

/* ---------- breadcrumb ---------- */
.crumb{font-family:"IBM Plex Mono";font-size:12.5px;color:var(--lo-2);padding:22px 0 0;display:flex;gap:9px;flex-wrap:wrap;align-items:center}
.crumb a{color:var(--lo);transition:color .18s}
.crumb a:hover{color:var(--blue-hi)}
.crumb .sep{color:var(--lo-2);opacity:.6}
.crumb .cur{color:var(--hi)}

/* ---------- page hero ---------- */
.phero{display:grid;grid-template-columns:1.02fr .98fr;gap:52px;align-items:center;padding:40px 0 20px}
.eyebrow{display:inline-flex;align-items:center;gap:9px;font-family:"IBM Plex Mono";font-size:12.5px;
  letter-spacing:.14em;text-transform:uppercase;color:var(--blue);border:1px solid var(--line);
  border-radius:999px;padding:7px 13px;background:rgba(255,255,255,.02)}
.phero h1{font-size:clamp(32px,5vw,52px);margin-top:20px}
.phero .lead{color:var(--lo);font-size:clamp(16px,1.4vw,18.5px);margin-top:20px;max-width:46ch;line-height:1.7}
.phero .cta{display:flex;gap:13px;margin-top:30px;flex-wrap:wrap}
.phero-media{position:relative;border-radius:20px;overflow:hidden;border:1px solid var(--line-2);
  box-shadow:0 50px 90px -50px rgba(0,0,0,.95);aspect-ratio:16/10;background:var(--surface)}
.phero-media img{width:100%;height:100%;object-fit:cover}
.phero-media::after{content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,20,43,.10),rgba(7,20,43,.42));pointer-events:none}
.phero-media .tag{position:absolute;left:16px;bottom:14px;z-index:2;display:inline-flex;align-items:center;gap:8px;
  font-family:"IBM Plex Mono";font-size:12px;color:var(--hi);background:rgba(7,20,43,.55);
  border:1px solid var(--line-2);border-radius:999px;padding:7px 13px;backdrop-filter:blur(4px)}

/* ---------- content sections ---------- */
.sec{padding:46px 0}
.sec-head{max-width:60ch}
.kicker{font-family:"IBM Plex Mono";font-size:12.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--blue)}
.sec h2{font-size:clamp(24px,3vw,36px);margin-top:14px}
.prose{max-width:66ch}
.prose p{color:var(--lo);margin-top:18px;font-size:16.5px;line-height:1.75}
.prose p:first-child{margin-top:22px}

/* feature grid */
.feat{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:36px}
.feat .card{background:linear-gradient(180deg,var(--surface),var(--ink-2));border:1px solid var(--line);
  border-radius:15px;padding:22px 20px;transition:transform .28s var(--ease),border-color .28s,box-shadow .28s}
.feat .card:hover{transform:translateY(-4px);border-color:var(--line-2);box-shadow:0 30px 60px -40px rgba(0,0,0,.8)}
.feat .ic{width:40px;height:40px;border-radius:11px;display:grid;place-items:center;margin-bottom:14px;
  background:var(--surface-2);border:1px solid var(--line-2);color:var(--blue)}
.feat .ic svg{width:20px;height:20px}
.feat h3{font-size:17.5px;font-weight:700;font-family:"IBM Plex Sans";letter-spacing:-.01em}
.feat p{color:var(--lo);font-size:14.5px;margin-top:8px}
/* index hub: tıklanabilir kartlar */
.feat a.card{display:block;position:relative;text-decoration:none}
.feat a.card:hover{border-color:var(--blue)}
.feat .go{display:inline-block;margin-top:16px;font-family:"IBM Plex Mono";font-size:12.5px;color:var(--blue);letter-spacing:.03em;transition:transform .2s var(--ease),color .2s}
.feat a.card:hover .go{transform:translateX(3px);color:var(--blue-hi)}

/* checklist */
.checks{list-style:none;margin-top:26px;display:grid;grid-template-columns:1fr 1fr;gap:14px 28px}
.checks li{display:flex;gap:12px;align-items:flex-start;font-size:15.5px;color:var(--hi)}
.checks svg{flex:0 0 20px;width:20px;height:20px;color:var(--live);margin-top:2px}

/* vendor chips */
.vendors{margin-top:34px;padding:24px;border:1px solid var(--line);border-radius:16px;background:rgba(255,255,255,.02)}
.vendors .lbl{font-family:"IBM Plex Mono";font-size:11.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--lo-2)}
.vendors .row{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}
.vendors .chip{font-family:"IBM Plex Sans";font-weight:600;font-size:14px;color:#C4D2E6;background:var(--ink-2);
  border:1px solid var(--line-2);border-radius:999px;padding:9px 16px}

/* CTA band */
.cta-band{margin:20px 0 8px;background:linear-gradient(180deg,var(--surface),var(--ink-2));
  border:1px solid var(--line-2);border-radius:20px;padding:38px clamp(24px,4vw,48px);
  display:flex;align-items:center;justify-content:space-between;gap:26px;flex-wrap:wrap;
  box-shadow:0 40px 80px -50px rgba(0,0,0,.9);position:relative;overflow:hidden}
.cta-band::before{content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(500px 160px at 85% 0%,var(--blue-glow),transparent 70%);opacity:.22}
.cta-band .t h2{font-size:clamp(22px,2.6vw,30px)}
.cta-band .t p{color:var(--lo);margin-top:10px;max-width:48ch}
.cta-band .a{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- footer ---------- */
footer{border-top:1px solid var(--line);padding:48px 0 40px;margin-top:52px}
.foot{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap;align-items:center}
.foot .brand{font-size:18px}
.foot .meta{font-family:"IBM Plex Mono";font-size:12.5px;color:var(--lo-2);display:flex;gap:20px;flex-wrap:wrap;align-items:center}
.foot .meta .dot{margin-right:6px}

/* reveal */
html.js .reveal{opacity:0;transform:translateY(22px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
html.js .reveal.in{opacity:1;transform:none}
.reveal.d1{transition-delay:.08s}.reveal.d2{transition-delay:.16s}.reveal.d3{transition-delay:.24s}
@media (prefers-reduced-motion:reduce){html.js .reveal{opacity:1;transform:none;transition:none}
  .dot{animation:none} *{scroll-behavior:auto}}

/* ---------- responsive ---------- */
@media (max-width:900px){
  .phero{grid-template-columns:1fr;gap:30px}
  .phero-media{order:-1;aspect-ratio:16/9}
  .feat{grid-template-columns:1fr 1fr}
}
@media (max-width:600px){
  .wrap{padding:0 20px}
  .feat,.checks{grid-template-columns:1fr}
  .nav .links{display:none}
  .nav .right .btn-call{display:none}
  .cta-band{flex-direction:column;align-items:flex-start}
}


/* ---------- footer sosyal ikonlar ---------- */
.foot .social{display:flex;gap:10px;margin-top:16px}
.foot .social a{width:38px;height:38px;border-radius:10px;display:grid;place-items:center;background:var(--ink-2);border:1px solid var(--line);color:var(--lo-2);transition:color .18s ease,border-color .18s ease,background .18s ease,transform .18s ease}
.foot .social a:hover{color:#fff;border-color:#1BA3DE;background:#0e2a44;transform:translateY(-2px)}
.foot .social a:focus-visible{outline:2px solid #1BA3DE;outline-offset:2px}
.foot .social svg{width:19px;height:19px;display:block}