:root {
  --zemin: #f7f7fb; --kart: #ffffff; --yazi: #161625; --soluk: #5d5d72; --cizgi: #e4e4ee;
  --vurgu: #5b4bdb; --vurgu-acik: #ecebfd; --yesil: #1f9d6b;
}
@media (prefers-color-scheme: dark) {
  :root { --zemin: #0f0f17; --kart: #181824; --yazi: #ececf4; --soluk: #a3a3b8; --cizgi: #2a2a3a;
    --vurgu: #8b7dff; --vurgu-acik: #24213a; --yesil: #4cc795; }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--zemin); color: var(--yazi); line-height: 1.6;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
a { color: var(--vurgu); }
.kap { max-width: 1040px; margin: 0 auto; padding: 0 20px; }
header { padding: 22px 0; }
.ust { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 22px; letter-spacing: -0.02em;
  color: var(--yazi); text-decoration: none; }
.logo svg { width: 34px; height: 34px; }
nav a { color: var(--soluk); text-decoration: none; margin-left: 18px; font-size: 15px; }
nav a:hover { color: var(--yazi); }
.giris { padding: 56px 0 40px; }
.giris h1 { font-size: clamp(32px, 6vw, 52px); line-height: 1.12; letter-spacing: -0.03em; margin: 0 0 16px; }
.giris p { font-size: 19px; color: var(--soluk); max-width: 640px; margin: 0 0 28px; }
.dugme { display: inline-block; background: var(--vurgu); color: #fff; text-decoration: none; font-weight: 600;
  padding: 12px 20px; border-radius: 10px; }
.dugme.ikincil { background: var(--vurgu-acik); color: var(--vurgu); margin-left: 8px; }
h2 { font-size: 28px; letter-spacing: -0.02em; margin: 48px 0 18px; }
.urunler { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 16px; }
.kart { background: var(--kart); border: 1px solid var(--cizgi); border-radius: 16px; padding: 22px; }
.kart h3 { margin: 10px 0 6px; font-size: 20px; }
.kart p { margin: 0 0 14px; color: var(--soluk); }
.rozet { display: inline-block; font-size: 12px; font-weight: 700; padding: 3px 9px; border-radius: 999px;
  background: var(--vurgu-acik); color: var(--vurgu); }
.rozet.canli { background: color-mix(in srgb, var(--yesil) 15%, transparent); color: var(--yesil); }
.simge { font-size: 30px; }
.kart .baglantilar a { display: inline-block; margin: 0 14px 6px 0; font-weight: 600; text-decoration: none; }
.ozellikler { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px; }
.ozellikler div { background: var(--kart); border: 1px solid var(--cizgi); border-radius: 12px; padding: 16px; }
.ozellikler b { display: block; margin-bottom: 4px; }
.ozellikler span { color: var(--soluk); font-size: 15px; }
footer { margin-top: 64px; padding: 28px 0 40px; border-top: 1px solid var(--cizgi); color: var(--soluk); font-size: 14px; }
footer .alt { display: flex; flex-wrap: wrap; gap: 8px 20px; justify-content: space-between; }
footer a { color: var(--soluk); }
.metin { max-width: 760px; padding-bottom: 20px; }
.metin h1 { font-size: 32px; letter-spacing: -0.02em; margin: 24px 0 4px; }
.metin h2 { font-size: 20px; margin: 30px 0 8px; }
.metin .tarih { color: var(--soluk); margin-top: 0; }
.metin li { margin-bottom: 6px; }
.adimlar { background: var(--kart); border: 1px solid var(--cizgi); border-radius: 12px; padding: 18px 22px; }
@media (max-width: 560px) { nav a { margin-left: 12px; font-size: 14px; } .dugme.ikincil { margin: 10px 0 0; } }