/* ==========================================================================
   Trend Radar — Premium acik tema. Tum sayfalarda tutarli, tam responsive.
   ========================================================================== */
:root{
  --bg:#FBFBFD; --surface:#FFFFFF; --surface-2:#F6F6FA;
  --ink:#14151A; --ink-2:#3F4250; --muted:#6E7280;
  --line:#E7E7EE; --line-2:#F0F0F5;
  --brand:#4F46E5; --brand-2:#7C3AED; --brand-soft:#EEF0FF;
  --ok:#0E9F6E; --warn:#B45309;
  --radius:16px; --radius-sm:10px;
  --shadow:0 1px 2px rgba(20,21,26,.04),0 8px 24px -12px rgba(20,21,26,.12);
  --shadow-lg:0 2px 4px rgba(20,21,26,.04),0 24px 48px -20px rgba(20,21,26,.18);
  --wrap:1120px; --prose:720px;
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);
  font-size:17px;line-height:1.7;-webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;overflow-x:hidden;
}
img,svg,iframe{max-width:100%}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;background:rgba(255,255,255,.82);
  backdrop-filter:saturate(180%) blur(14px);-webkit-backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid var(--line);
}
.hdr{max-width:var(--wrap);margin:0 auto;padding:12px 20px;display:flex;align-items:center;gap:16px}
.brand{display:flex;align-items:center;gap:9px;font-weight:750;letter-spacing:-.02em;
  color:var(--ink);font-size:1.02rem;text-decoration:none;flex:0 0 auto}
.brand:hover{text-decoration:none}
.brand-dot{width:22px;height:22px;border-radius:7px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  box-shadow:0 2px 8px rgba(79,70,229,.35)}
.hdr-spacer{flex:1}
.lang-select{
  appearance:none;-webkit-appearance:none;font:inherit;font-size:.85rem;font-weight:600;
  color:var(--ink-2);background:var(--surface-2);border:1px solid var(--line);
  border-radius:999px;padding:7px 32px 7px 14px;cursor:pointer;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%236E7280' stroke-width='3' stroke-linecap='round'><path d='M6 9l6 6 6-6'/></svg>");
  background-repeat:no-repeat;background-position:right 12px center;
}
.lang-select:hover{border-color:#D7D7E2;background-color:#EFEFF6}
.lang-select:focus-visible{outline:2px solid var(--brand);outline-offset:2px}

/* ---------- Layout ---------- */
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 20px}
.prose-wrap{max-width:var(--prose);margin:0 auto;padding:0 20px}

/* ---------- Hero (anasayfa) ---------- */
.hero{padding:64px 0 36px;text-align:center;position:relative}
.hero::before{
  content:"";position:absolute;inset:-10% -20% auto;height:340px;z-index:-1;
  background:radial-gradient(60% 100% at 50% 0%,rgba(124,58,237,.13),transparent 70%);
}
.eyebrow{
  display:inline-flex;align-items:center;gap:7px;font-size:.76rem;font-weight:700;
  letter-spacing:.09em;text-transform:uppercase;color:var(--brand);
  background:var(--brand-soft);border:1px solid #E0E2FB;
  padding:6px 14px;border-radius:999px;margin-bottom:18px;
}
.pulse{width:7px;height:7px;border-radius:50%;background:var(--ok);
  box-shadow:0 0 0 0 rgba(14,159,110,.5);animation:pulse 2.2s infinite}
@keyframes pulse{70%{box-shadow:0 0 0 8px rgba(14,159,110,0)}100%{box-shadow:0 0 0 0 rgba(14,159,110,0)}}
.hero h1{
  font-size:clamp(2rem,5.2vw,3.15rem);line-height:1.1;letter-spacing:-.035em;
  font-weight:800;margin:0 0 14px;
  background:linear-gradient(135deg,var(--ink) 30%,var(--brand) 130%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero p{font-size:1.08rem;color:var(--muted);max-width:560px;margin:0 auto}

/* ---------- Kart izgarasi ---------- */
.grid{display:grid;gap:18px;padding:26px 0 10px;
  grid-template-columns:repeat(auto-fill,minmax(300px,1fr))}
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:10px;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:#DCDCEA}
.card-tag{display:inline-flex;align-items:center;gap:6px;align-self:flex-start;
  font-size:.7rem;font-weight:700;letter-spacing:.07em;text-transform:uppercase;
  color:var(--brand);background:var(--brand-soft);padding:4px 10px;border-radius:999px}
.card h2{font-size:1.12rem;line-height:1.35;letter-spacing:-.015em;margin:0;font-weight:700}
.card h2 a{color:var(--ink)}
.card h2 a:hover{color:var(--brand);text-decoration:none}
.card p{margin:0;color:var(--muted);font-size:.93rem;line-height:1.6}
.card-foot{margin-top:auto;padding-top:12px;border-top:1px solid var(--line-2);
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:.78rem;color:var(--muted)}
.chip{background:var(--surface-2);border:1px solid var(--line);border-radius:7px;
  padding:3px 9px;font-weight:600;color:var(--ink-2);font-size:.74rem;text-transform:uppercase;
  letter-spacing:.04em}
.chip:hover{border-color:var(--brand);color:var(--brand);text-decoration:none}

/* ---------- Makale ---------- */
.article{padding:40px 0 20px}
.crumb{font-size:.8rem;color:var(--muted);margin-bottom:14px}
.crumb a{color:var(--muted)}
.article h1{font-size:clamp(1.75rem,4.2vw,2.5rem);line-height:1.18;letter-spacing:-.03em;
  font-weight:800;margin:0 0 14px}
.meta-row{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-bottom:22px;
  padding-bottom:20px;border-bottom:1px solid var(--line)}
.lead{font-size:1.14rem;line-height:1.65;color:var(--ink-2);margin:0 0 8px}
.article h2{font-size:1.35rem;line-height:1.3;letter-spacing:-.02em;font-weight:750;
  margin:2.2em 0 .55em;position:relative;padding-left:14px}
.article h2::before{content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;
  border-radius:3px;background:linear-gradient(180deg,var(--brand),var(--brand-2))}
.article p{margin:0 0 1.15em;color:var(--ink-2)}
.article strong{color:var(--ink);font-weight:650}
.article section{scroll-margin-top:80px}

/* ---------- SSS ---------- */
.faq{margin-top:2.4em}
.faq h2{margin-bottom:.9em}
details{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:0;margin:0 0 10px;overflow:hidden;transition:border-color .16s ease,box-shadow .16s ease}
details[open]{border-color:#DCDCEA;box-shadow:var(--shadow)}
summary{cursor:pointer;font-weight:650;color:var(--ink);padding:15px 44px 15px 17px;
  position:relative;list-style:none;font-size:.98rem;line-height:1.5}
summary::-webkit-details-marker{display:none}
summary::after{content:"";position:absolute;right:18px;top:50%;width:8px;height:8px;
  border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);
  transform:translateY(-70%) rotate(45deg);transition:transform .2s ease}
details[open] summary::after{transform:translateY(-30%) rotate(225deg)}
summary:hover{background:var(--surface-2)}
details p{margin:0;padding:0 17px 16px;color:var(--ink-2);font-size:.96rem}

/* ---------- Reklam slotlari ---------- */
.ad{margin:26px auto;text-align:center;min-height:1px;display:flex;justify-content:center;
  align-items:center;flex-direction:column}
.ad::before{content:"reklam";display:block;font-size:.62rem;letter-spacing:.14em;
  text-transform:uppercase;color:#B9BAC6;margin-bottom:7px}
.ad:empty{display:none}
.ad[data-ad="top"]{margin-top:8px}

/* ---------- Footer ---------- */
.site-footer{margin-top:56px;border-top:1px solid var(--line);background:var(--surface)}
.ftr{max-width:var(--wrap);margin:0 auto;padding:26px 20px;display:flex;
  align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:.85rem;color:var(--muted)}
.ftr a{color:var(--muted)}
.ftr a:hover{color:var(--brand)}

/* ---------- Responsive ---------- */
@media (max-width:640px){
  body{font-size:16px}
  .hero{padding:44px 0 26px}
  .article{padding:28px 0 14px}
  .grid{grid-template-columns:1fr;gap:14px;padding:20px 0 6px}
  .card{padding:18px}
  .hdr{padding:10px 16px;gap:10px}
  .wrap,.prose-wrap{padding:0 16px}
  .article h2{font-size:1.22rem}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}