:root {
  --mor: #5a12d6;
  --mor-koyu: #3f0aa3;
  --mavi: #4a7fe5;
  --murekkep: #1b1830;
  --soluk: #625d7a;
  --zemin: #f6f3ff;
  --yuzey: #ffffff;
  --cizgi: #e2d9f8;
  --hata: #b3261e;
  --gecis: linear-gradient(135deg, var(--mor) 0%, #5340de 55%, var(--mavi) 100%);
  --baslik: "Fraunces", Georgia, serif;
  --govde: "Instrument Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--govde);
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--murekkep);
  background: var(--zemin);
}
a { color: var(--mor); }
:focus-visible { outline: 3px solid var(--mavi); outline-offset: 2px; }

.kap { width: min(100% - 2rem, 68rem); margin-inline: auto; }
.dar { max-width: 44rem; }
.bolum { padding-block: 4rem; }
.soluk { color: var(--soluk); font-weight: 400; }

h1, h2, h3, .marka, .fiyat { font-family: var(--baslik); font-weight: 600; line-height: 1.15; }
h2 { font-size: clamp(1.75rem, 4vw, 2.4rem); margin: 0 0 1.5rem; }
h3 { font-size: 1.4rem; margin: 0; }
.kucuk-baslik { font-size: 1.6rem; margin: 0 0 .75rem; }

/* Üst bölüm */
.ust { background: var(--yuzey); border-bottom: 1px solid var(--cizgi); }
.ust-ic { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding-block: .9rem; flex-wrap: wrap; }
.marka { font-size: 1.35rem; color: var(--murekkep); text-decoration: none; }
.menu { display: flex; gap: 1.25rem; flex-wrap: wrap; }
.menu a, .geri { color: var(--murekkep); text-decoration: none; font-weight: 500; font-size: .95rem; }
.menu a:hover, .geri:hover { color: var(--mor); }

/* Giriş */
.giris { background: var(--gecis); color: #fff; }
.giris-ic { display: grid; grid-template-columns: 1.25fr 1fr; gap: 3rem; align-items: center; padding-block: 4.5rem; }
.kim { margin: 0 0 1rem; font-weight: 600; opacity: .9; }
.giris h1 { font-size: clamp(1.9rem, 4.6vw, 3.1rem); font-weight: 500; margin: 0 0 1.5rem; }
.giris-metin { max-width: 36rem; margin: 0 0 2rem; opacity: .95; }
.durumlar { list-style: none; margin: 0; padding: 1.75rem; border-radius: 1.25rem; background: rgba(255, 255, 255, .12); border: 1px solid rgba(255, 255, 255, .25); }
.durumlar li { padding-block: .7rem; border-bottom: 1px solid rgba(255, 255, 255, .2); }
.durumlar .sonuc { border: 0; padding-bottom: 0; font-family: var(--baslik); font-size: 1.25rem; }

/* Düğmeler */
.dugme {
  display: inline-block; padding: .9rem 1.6rem; border: 0; border-radius: .8rem;
  background: var(--mor); color: #fff; font: 600 1rem var(--govde);
  text-decoration: none; text-align: center; cursor: pointer;
}
.dugme:hover { background: var(--mor-koyu); }
.dugme.acik { background: #fff; color: var(--mor-koyu); }
.dugme.acik:hover { background: #efe9ff; }
.dugme.genis { width: 100%; }

/* Adımlar */
.adimlar { counter-reset: adim; list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
.adimlar li { counter-increment: adim; border-top: 2px solid var(--mor); padding-top: 1rem; }
.adimlar li::before { content: counter(adim); display: block; font: 600 2.25rem var(--baslik); color: var(--mor); line-height: 1; margin-bottom: .6rem; }
.adimlar strong { display: block; margin-bottom: .3rem; }

/* Ücretler */
.renkli { background: #ece5ff; }
.secenekler { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
.kart { background: var(--yuzey); border: 1px solid var(--cizgi); border-radius: 1.25rem; padding: 2rem; }
.kart.orta { text-align: center; }
.kart.kart-bosluksuz { padding: 0; overflow: hidden; }
.secenek { display: flex; flex-direction: column; gap: .75rem; }
.secenek p { margin: 0; }
.secenek .dugme { margin-top: auto; }
.fiyat { font-size: 2.5rem; color: var(--mor); }
.not { margin: 1.25rem 0 0; color: var(--soluk); font-size: .95rem; }

/* SSS */
details { border-bottom: 1px solid var(--cizgi); }
summary { cursor: pointer; padding: 1.1rem 2rem 1.1rem 0; font-weight: 600; list-style: none; position: relative; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; position: absolute; right: .25rem; top: .9rem; font-size: 1.5rem; font-weight: 400; color: var(--mor); }
details[open] summary::after { content: "–"; }
details p { margin: 0 0 1.25rem; color: var(--soluk); }

/* Medya */
.medya { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
.video { display: grid; gap: .35rem; color: var(--murekkep); text-decoration: none; }
.video img { width: 100%; height: auto; aspect-ratio: 16 / 9; object-fit: cover; border-radius: 1rem; margin-bottom: .4rem; }
.video-baslik { font-weight: 600; }
.video:hover .video-baslik { color: var(--mor); }

/* Form */
.odeme-bandi { display: flex; gap: 1.25rem; align-items: center; padding: 1.75rem 2rem; background: var(--gecis); color: #fff; }
.odeme-bandi p { margin: 0 0 .4rem; }
.odeme-baslik { font: 600 1.35rem var(--baslik); }
.rozet { display: inline-block; padding: .25rem .9rem; border-radius: 2rem; background: rgba(255, 255, 255, .2); font-weight: 600; font-size: .9rem; }
.onay-isareti { flex: none; width: 4.5rem; height: 4.5rem; margin: 0 auto 1.25rem; border-radius: 50%; background: #1f9d55; color: #fff; font-size: 2.2rem; display: grid; place-items: center; }
.onay-isareti.kucuk { width: 3.25rem; height: 3.25rem; margin: 0; font-size: 1.5rem; background: rgba(255, 255, 255, .22); }

.form { padding: 2rem; }
.form label { display: block; margin: 1.4rem 0 .4rem; font-weight: 600; }
.form input[type="text"], .form input[type="email"], .form textarea {
  width: 100%; padding: .85rem 1rem; border: 1.5px solid var(--cizgi); border-radius: .8rem;
  background: #fbfaff; color: var(--murekkep); font: inherit;
}
.form textarea { resize: vertical; min-height: 12rem; }
.form input:focus, .form textarea:focus { border-color: var(--mor); outline: none; box-shadow: 0 0 0 3px rgba(90, 18, 214, .15); }
.iki-sutun { display: grid; grid-template-columns: 2fr 1fr; gap: 1rem; }
.ipucu { margin: .35rem 0 0; font-size: .9rem; color: var(--soluk); }
.ipucu.asim, .hata { color: var(--hata); font-weight: 600; }
.hata { margin: .35rem 0 0; font-size: .95rem; }
.hata-kutusu { padding: .9rem 1.1rem; border: 1px solid #f1b9b5; border-radius: .8rem; background: #fdecea; color: var(--hata); }
.form .onay { display: flex; gap: .75rem; align-items: flex-start; font-weight: 400; margin-bottom: 1.5rem; }
.onay input { width: 1.2rem; height: 1.2rem; margin-top: .25rem; flex: none; accent-color: var(--mor); }

/* Alt bölüm */
.alt { background: var(--murekkep); color: #d9d4ec; }
.alt-ic { padding-block: 2.5rem; }
.alt .marka { color: #fff; }
.alt a { color: #fff; }
.telif { font-size: .9rem; opacity: .7; margin-bottom: 0; }
.acil { margin: 0; padding: 1rem; text-align: center; background: var(--zemin); color: var(--mor-koyu); font-size: .95rem; }

@media (max-width: 760px) {
  .giris-ic, .adimlar, .secenekler, .medya, .iki-sutun { grid-template-columns: 1fr; }
  .giris-ic { padding-block: 3rem; gap: 2rem; }
  .bolum { padding-block: 3rem; }
  .menu { gap: .9rem; }
  .kart, .form { padding: 1.4rem; }
  .odeme-bandi { padding: 1.4rem; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }