/* Tufan Yılmaz — portfolio. One stylesheet, no external requests. */
:root{
  --bg:#07080c; --bg2:#0b0d14; --card:#0f121c; --line:#1d2231;
  --txt:#eef1f8; --dim:#98a1b8; --dim2:#6c7690;
  --gold:#f0c063; --red:#ff5d73; --blue:#4fc3f7; --green:#34d399;
  --max:1120px; --r:16px;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--txt);
  font:400 17px/1.65 Inter,system-ui,-apple-system,sans-serif;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background:
    radial-gradient(900px 520px at 78% -8%, rgba(240,192,99,.10), transparent 70%),
    radial-gradient(760px 480px at 8% 6%, rgba(255,93,115,.07), transparent 70%),
    linear-gradient(180deg,#07080c 0%,#080a11 40%,#07080c 100%);
}
.wrap{position:relative;z-index:1;max-width:var(--max);margin:0 auto;padding:0 24px}
a{color:inherit;text-decoration:none}
code,.mono{font-family:var(--mono)}

/* ---------- header */
header{position:sticky;top:0;z-index:20;backdrop-filter:blur(14px);
  background:#07080ccc;border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;gap:28px;height:64px}
.brand{font-weight:800;letter-spacing:-.02em;font-size:16px}
.brand span{color:var(--gold)}
.nav a.lnk{color:var(--dim);font-size:14.5px;font-weight:500}
.nav a.lnk:hover{color:var(--txt)}
.nav .sp{flex:1}
.btn{display:inline-flex;align-items:center;gap:8px;border-radius:10px;
  padding:9px 16px;font-weight:650;font-size:14.5px;border:1px solid var(--line);
  background:#12151f;color:var(--txt);transition:.15s;white-space:nowrap}
.btn:hover{border-color:#2c3448;background:#171b28;transform:translateY(-1px)}
.btn.gold{background:var(--gold);color:#1a1206;border-color:var(--gold)}
.btn.gold:hover{background:#f7cd7d}
.btn.red{background:linear-gradient(180deg,#ff6a7e,#e0445a);border-color:#ff8496;color:#1a0409}

/* ---------- hero */
.hero{padding:76px 0 44px}
.eyebrow{font:600 12px/1 var(--mono);letter-spacing:.16em;text-transform:uppercase;
  color:var(--gold);display:flex;align-items:center;gap:10px;margin-bottom:22px}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--gold);opacity:.6}
h1{font-size:clamp(38px,5.4vw,64px);line-height:1.04;letter-spacing:-.035em;margin:0 0 20px;font-weight:800}
h1 em{font-style:normal;color:var(--gold)}
.lede{font-size:clamp(17px,1.6vw,20px);color:var(--dim);max-width:44em;margin:0 0 30px}
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:34px}
.chip{font:600 13px/1 Inter,sans-serif;color:var(--dim);border:1px solid var(--line);
  background:#0d1018;border-radius:999px;padding:8px 14px}
.chip b{color:var(--txt);font-weight:700}
.cta{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- sections */
.chip.loc{color:var(--dim2);border-style:dashed}
.chip.loc b{color:var(--dim)}
section{padding:56px 0;border-top:1px solid var(--line)}
.sec-head{display:flex;align-items:baseline;justify-content:space-between;gap:20px;margin-bottom:34px;flex-wrap:wrap}
h2{font-size:clamp(24px,2.6vw,34px);letter-spacing:-.03em;margin:0;font-weight:750}
.sec-head p{color:var(--dim2);font-size:14.5px;margin:0;max-width:34em}

/* ---------- work grid */
.grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.card{background:linear-gradient(180deg,#0f121c,#0c0f17);border:1px solid var(--line);
  border-radius:var(--r);padding:24px;transition:.18s;position:relative;overflow:hidden}
.card:hover{border-color:#2b3245;transform:translateY(-2px)}
.card .tag{font:600 11px/1 var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--dim2)}
.card h3{margin:12px 0 8px;font-size:19px;letter-spacing:-.02em;font-weight:700}
.card p{margin:0;color:var(--dim);font-size:15px}
.card .meta{display:flex;gap:14px;margin-top:16px;font:600 12.5px var(--mono);color:var(--dim2)}
.card .meta i{color:var(--green);font-style:normal}
.card.wide{grid-column:1/-1}
.card.feature{border-color:#3a2f16;background:linear-gradient(160deg,#171207,#0c0f17 60%)}
.card.feature::after{content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;
  background:radial-gradient(circle,rgba(240,192,99,.18),transparent 70%)}

/* ---------- halay feature */
.split{display:grid;grid-template-columns:1fr .78fr;gap:36px;align-items:center}
.shot{border-radius:14px;border:1px solid var(--line);overflow:hidden;
  box-shadow:0 30px 70px -30px rgba(255,93,115,.35);background:#0a0c14}
.shot img{display:block;width:100%;height:auto}
.kv{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin:26px 0 30px}
.kv div{border-left:2px solid var(--line);padding-left:14px}
.kv b{display:block;font-size:22px;letter-spacing:-.02em}
.kv span{color:var(--dim2);font-size:13px}

/* ---------- services */
.cols{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.cols .card{background:#0c0f17}
.cols h3{font-size:16.5px}
.cols ul{margin:12px 0 0;padding-left:18px;color:var(--dim);font-size:14.5px}
.cols li{margin:4px 0}

/* ---------- table */
.tbl{width:100%;border-collapse:collapse;font-size:14.5px;margin-top:8px}
.tbl th{text-align:left;font:600 11.5px var(--mono);letter-spacing:.1em;text-transform:uppercase;
  color:var(--dim2);padding:0 14px 10px 0;border-bottom:1px solid var(--line)}
.tbl td{padding:12px 14px 12px 0;border-bottom:1px solid #141824;color:var(--dim);vertical-align:top}
.tbl td b{color:var(--txt);font-weight:650}

/* ---------- faq */
details{border-bottom:1px solid var(--line);padding:16px 0}
summary{cursor:pointer;font-weight:650;font-size:16.5px;list-style:none;display:flex;justify-content:space-between;gap:20px}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";color:var(--gold);font-weight:400}
details[open] summary::after{content:"–"}
details p{color:var(--dim);margin:12px 0 0;max-width:52em}

/* ---------- contact */
.contact{display:grid;grid-template-columns:1.1fr .9fr;gap:32px;align-items:center}
.contact .box{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:28px}
.contact a.mail{font:600 15px var(--mono);color:var(--gold);word-break:break-all}

footer{border-top:1px solid var(--line);padding:28px 0 46px;color:var(--dim2);font-size:13.5px}
footer .row{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}

/* ---------- numbers band */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);
  border:1px solid var(--line);border-radius:var(--r);overflow:hidden;margin-top:8px}
.stats div{background:#0b0e16;padding:22px 20px}
.stats b{display:block;font-size:clamp(24px,3vw,34px);letter-spacing:-.03em;font-weight:800;color:var(--gold)}
.stats span{display:block;color:var(--dim2);font-size:13px;margin-top:6px;line-height:1.4}
@media (max-width:760px){.stats{grid-template-columns:repeat(2,1fr)}}

/* ---------- link chip inside cards */
.card .link{display:inline-flex;align-items:center;gap:6px;font:700 12.5px Inter,sans-serif;
  color:var(--gold);background:#191307;border:1px solid #3a2f16;border-radius:8px;padding:6px 11px}
.card .link:hover{background:#221a08;border-color:#5a4620}

/* ---------- responsive */
@media (max-width:900px){
  .grid,.cols{grid-template-columns:1fr}
  .split,.contact{grid-template-columns:1fr}
  .hero{padding:56px 0 40px}
  .nav{gap:16px}
  .nav a.lnk{display:none}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto}}