:root{
  --bg:#0A0F1F;
  --primary:#00C8FF;
  --accent:#FF6B00;
  --muted:#8892A0;
  --card:rgba(255,255,255,.05);
  --border:rgba(255,255,255,.10);
  --text:#E6F1FF;
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:system-ui,-apple-system,Segoe UI,Roboto,Inter,Ubuntu,"Helvetica Neue",Arial;
  color:var(--text); line-height:1.5;
  background:var(--bg);
  overflow-x:hidden;
}

/* animated background */
.bg-grid{
  position:fixed; inset:0; pointer-events:none; z-index:-1;
  background:
    radial-gradient(1200px 800px at 80% -10%, rgba(0,200,255,.18), transparent 60%),
    radial-gradient(1000px 700px at -10% 110%, rgba(255,107,0,.12), transparent 50%);
}
.bg-lines{
  position:fixed; inset:-2px; z-index:-1; pointer-events:none;
  background-image: linear-gradient(to right, rgba(255,255,255,.05) 1px, transparent 1px),
                    linear-gradient(to bottom, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size: 40px 40px, 40px 40px;
  mask-image: radial-gradient(circle at 50% 20%, rgba(0,0,0,.65), rgba(0,0,0,0) 60%);
  animation: drift 40s linear infinite;
  opacity:.35;
}
@keyframes drift { from{transform:translateY(0)} to{transform:translateY(-80px)} }

.container{max-width:1100px;margin:0 auto;padding:24px}

/* header */
header{display:flex;align-items:center;justify-content:space-between;gap:16px}
.brand{display:flex;align-items:center;gap:12px;font-weight:800;letter-spacing:.2px}
.brand small{color:var(--muted);font-weight:700}
.logo{width:44px;height:44px;display:grid;place-items:center;border-radius:12px;
  background:linear-gradient(180deg, rgba(0,200,255,.18), rgba(0,200,255,.04));
  border:1px solid var(--border); box-shadow:0 10px 30px rgba(0,200,255,.08) inset;
  transition:transform .25s ease}
.logo:hover{transform:translateY(-1px) scale(1.02)}
.logo img{width:28px;height:28px;display:block}
nav{display:flex;flex-wrap:wrap;gap:6px 14px}
nav a{
  color:#cfe8ff; opacity:.9; padding:10px 12px; border-radius:10px; position:relative;
}
nav a::after{
  content:""; position:absolute; left:12px; right:12px; bottom:6px; height:2px;
  background:linear-gradient(90deg, transparent, var(--primary), transparent);
  transform:scaleX(0); transform-origin:center; transition:.25s ease;
}
nav a:hover::after{transform:scaleX(1)}
nav a.active{opacity:1; background:rgba(0,200,255,.08); border:1px solid rgba(0,200,255,.35)}

/* buttons */
.cta{display:flex;gap:12px}
.btn{
  padding:11px 16px; border-radius:12px; border:1px solid var(--border);
  background:var(--card); color:var(--text); font-weight:700;
  box-shadow:0 6px 18px rgba(0,0,0,.25), 0 0 0 0 rgba(0,200,255,.0);
  transition:.22s ease;
}
.btn.primary{background:linear-gradient(180deg, rgba(0,200,255,.18), rgba(0,200,255,.07)); border-color:rgba(0,200,255,.35)}
.btn.accent{background:linear-gradient(180deg, rgba(255,107,0,.18), rgba(255,107,0,.07)); border-color:rgba(255,107,0,.35)}
.btn:hover{transform:translateY(-1px); box-shadow:0 10px 22px rgba(0,0,0,.35), 0 0 0 6px rgba(0,200,255,.08)}

a{color:var(--primary); text-decoration:none}

/* hero */
.hero{padding:70px 0 34px}
.hero h1{font-size:clamp(28px,4.6vw,52px); margin:14px 0 8px}
.hero p{color:#d6e6ff;max-width:760px;margin:10px 0 26px}
.badge{display:inline-flex;gap:8px;align-items:center;color:#b8dfff;border:1px solid rgba(0,200,255,.35);
  background:rgba(0,200,255,.10);border-radius:999px;padding:6px 12px;font-weight:700;backdrop-filter:blur(6px)}

/* grid / cards */
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:36px 0 12px}
@media (max-width:980px){.grid{grid-template-columns:1fr 1fr}}
@media (max-width:640px){header{flex-wrap:wrap}.cta{width:100%}.grid{grid-template-columns:1fr}}

.card{
  border:1px solid var(--border); background:var(--card); border-radius:16px; padding:18px; height:100%;
  transition:transform .18s ease,border-color .18s ease, box-shadow .18s ease;
  position:relative; overflow:hidden;
}
.card::before{
  content:""; position:absolute; inset:-2px; background:radial-gradient(600px 200px at var(--mx,50%) -20%, rgba(0,200,255,.25), transparent 60%);
  opacity:0; transition:.25s ease;
}
.card:hover{transform:translateY(-3px); border-color:rgba(0,200,255,.35); box-shadow:0 10px 30px rgba(0,0,0,.35)}
.card:hover::before{opacity:1}
.card h3{margin:8px 0 6px;font-size:18px}
.card p{color:#cfe0ff}

.table{width:100%;border-collapse:collapse}
.table th,.table td{padding:10px;border-bottom:1px solid var(--border);text-align:left}
.notice{padding:12px 14px;border:1px solid rgba(255,107,0,.35);background:rgba(255,107,0,.08);border-radius:12px}

.section{padding:28px 0}

/* back button */
.backbar{display:flex; gap:10px; align-items:center; margin:6px 0 16px;}
.backbtn{
  display:inline-flex; align-items:center; gap:8px;
  padding:8px 12px; border-radius:10px;
  border:1px solid var(--border); background:var(--card);
  color:var(--text); font-weight:700; text-decoration:none;
  transition:.18s ease transform, border-color .18s ease;
}
.backbtn:hover{ transform:translateX(-2px); border-color:rgba(0,200,255,.35)}
.backicon{ width:16px; height:16px; display:inline-block }

/* reveal animation */
.reveal{opacity:0; transform:translateY(10px); transition:opacity .5s ease, transform .5s ease}
.reveal.show{opacity:1; transform:none}

/* footer */
footer{border-top:1px solid var(--border);margin-top:40px;padding:18px 0;color:#a6b4c6;font-size:14px}
.links{display:flex;flex-wrap:wrap;gap:12px}
/* link-card: tüm kartı tıklanabilir yap */
.link-card { padding:0; }
.link-card .card-link{
  display:block; padding:18px; height:100%; position:relative; color:inherit;
}
.link-card .card-link .arrow{
  position:absolute; right:14px; bottom:14px; font-weight:800; opacity:.7;
  transition:transform .18s ease, opacity .18s ease;
}
.link-card:hover .arrow{ transform:translateX(4px); opacity:1; }
/* LOGO daha büyük */
.logo{
  width:64px; height:64px;        /* eskisi 44px idi */
  border-radius:14px;
}
.logo img{width:40px; height:40px}

/* Marka metni: TechOps önde */
.brand strong{font-weight:900; letter-spacing:.2px; font-size:clamp(18px,2.4vw,22px)}
.brand small{color:var(--muted); font-weight:700; font-size:14px}
.card::before{ pointer-events: none; }