:root {
  --lacivert: #13204a;
  --murekkep: #1b2340;
  --kursun: #5d6684;
  --amber: #f2a516;
  --amber-koyu: #b77806;
  --kagit: #f6f7fb;
  --cizgi: #d9dcea;
  --beyaz: #ffffff;
  --form: #c8385a; /* optik form çizgi rengi */
  --yazi: 'Plus Jakarta Sans', system-ui, sans-serif;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; font-family: var(--yazi); color: var(--murekkep); background: var(--kagit); font-size: 1rem; line-height: 1.6; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--lacivert); }
a:focus-visible, button:focus-visible, input:focus-visible + .balon { outline: 3px solid var(--amber); outline-offset: 2px; }
h1, h2 { line-height: 1.15; letter-spacing: -0.02em; margin: 0 0 .5em; }
h1 { font-size: clamp(2rem, 6vw, 3.4rem); font-weight: 800; }
h2 { font-size: clamp(1.35rem, 3vw, 1.75rem); font-weight: 700; }
[hidden] { display: none !important; }
.gizli { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.atla { position: absolute; left: -999px; }
.atla:focus { left: 1rem; top: 1rem; background: var(--beyaz); padding: .5rem 1rem; z-index: 10; }

/* Üst */
.ust { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: .75rem 1.5rem; padding: .75rem max(16px, calc((100% - 1180px) / 2)); background: var(--lacivert); color: var(--beyaz); }
.marka { display: flex; align-items: center; gap: .6rem; color: var(--beyaz); text-decoration: none; font-size: 1.1rem; }
.marka img { border-radius: 8px; }
.marka b { color: var(--amber); }
.ust-nav { display: flex; flex-wrap: wrap; gap: .25rem 1.25rem; }
.ust-nav a { color: #dfe3f3; text-decoration: none; font-weight: 500; font-size: .95rem; padding: .25rem 0; border-bottom: 2px solid transparent; }
.ust-nav a:hover, .ust-nav a[aria-current] { color: var(--beyaz); border-bottom-color: var(--amber); }

main { max-width: 1180px; margin: 0 auto; padding: 0 16px; }

/* Giriş: metin + kapak yelpazesi */
.giris { display: grid; grid-template-columns: 1.1fr 1fr; gap: 2rem; align-items: center; padding: 3.5rem 0 2.5rem; }
.giris h1 { max-width: 11ch; }
.giris-metin > p { max-width: 52ch; font-size: 1.1rem; color: var(--kursun); }
.giris-not { font-size: .95rem !important; }
.yelpaze { position: relative; height: 420px; }
.yelpaze img { position: absolute; width: 230px; left: 50%; top: 50%; border-radius: 6px; box-shadow: 0 18px 40px -18px rgba(19, 32, 74, .55); transform-origin: 50% 110%; }
.yelpaze img:nth-child(1) { transform: translate(-50%, -50%) rotate(-12deg) translateX(-70px); }
.yelpaze img:nth-child(2) { transform: translate(-50%, -50%) rotate(0deg); z-index: 2; }
.yelpaze img:nth-child(3) { transform: translate(-50%, -50%) rotate(12deg) translateX(70px); }

/* Düğmeler */
.dugmeler { display: flex; flex-wrap: wrap; gap: .75rem; margin: 1.5rem 0 1rem; }
.dugme { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: .7rem 1.3rem; border-radius: 999px; border: 2px solid var(--lacivert); background: var(--beyaz); color: var(--lacivert); font: 700 1rem var(--yazi); text-decoration: none; cursor: pointer; }
.dugme:hover { background: #eef0f8; }
.dugme.ana { background: var(--amber); border-color: var(--amber); color: var(--lacivert); }
.dugme.ana:hover { background: #ffb92e; }
.dugme.pasif { border-color: var(--cizgi); color: var(--kursun); background: transparent; cursor: not-allowed; }

/* Optik form balonları: sitenin imzası */
.balon { display: inline-grid; place-items: center; width: 1.6rem; height: 1.6rem; border-radius: 50%; border: 1.5px solid var(--form); color: var(--form); font-size: .72rem; font-weight: 700; background: var(--beyaz); }
.balon.dolu { background: var(--murekkep); border-color: var(--murekkep); color: var(--murekkep); }
.balon.buyuk { width: 3.2rem; height: 3.2rem; font-size: 1.2rem; border-width: 2px; }
.balon.kucuk { width: 1.15rem; height: 1.15rem; flex: none; }
.balonlar { display: inline-flex; gap: .25rem; }
.optik { margin: 1rem 0 3rem; padding: 1.75rem 1.5rem; background: var(--beyaz); border: 1.5px solid var(--form); border-radius: 4px; background-image: repeating-linear-gradient(90deg, transparent 0 31px, rgba(200, 56, 90, .07) 31px 32px); }
.optik h2 { color: var(--form); font-size: 1.2rem; }
.optik > p { color: var(--kursun); margin: 1rem 0 0; max-width: 60ch; }
.optik-satir { display: flex; flex-wrap: wrap; gap: 1rem 2.5rem; }
.optik-secim { display: flex; align-items: center; gap: .75rem; text-decoration: none; font-weight: 700; font-size: 1.1rem; color: var(--murekkep); }
.optik-secim:hover .balon { background: var(--murekkep); color: var(--murekkep); border-color: var(--murekkep); }

/* Bölümler ve ızgara */
.bolum { margin: 0 0 3.5rem; }
.bolum-bas { display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; }
.bolum-bas a { font-weight: 600; white-space: nowrap; }
.bolum-aciklama { color: var(--kursun); max-width: 60ch; margin-top: 0; }
.izgara { list-style: none; margin: 1rem 0 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: 1.75rem 1.25rem; }
.kart a { display: flex; flex-direction: column; gap: .2rem; text-decoration: none; color: inherit; }
.kapak { position: relative; display: block; margin-bottom: .5rem; }
.kapak img { width: 100%; aspect-ratio: 300 / 424; object-fit: cover; border-radius: 4px; box-shadow: 0 10px 24px -14px rgba(19, 32, 74, .6); transition: transform .2s; }
.kart a:hover .kapak img { transform: translateY(-4px); }
.kapak .balonlar { position: absolute; left: .5rem; bottom: .5rem; background: rgba(255, 255, 255, .92); padding: .25rem; border-radius: 999px; }
.kapak .balon { width: 1.3rem; height: 1.3rem; font-size: .62rem; }
.kart-ad { font-weight: 700; line-height: 1.3; }
.kart-alt { color: var(--kursun); font-size: .88rem; }
.kart-alt2 { display: flex; flex-wrap: wrap; align-items: center; gap: .4rem; font-weight: 800; margin-top: .15rem; }
.etiket { font-size: .72rem; font-weight: 700; padding: .1rem .5rem; border-radius: 999px; background: #fff2d6; color: #8a5600; }
.etiket.soluk { background: #eceef6; color: var(--kursun); }

/* Adımlar */
.adimlar { margin: 0 0 4rem; }
.adimlar ol { list-style: none; counter-reset: a; padding: 0; margin: 1rem 0 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; }
.adimlar li { counter-increment: a; padding-top: 3.2rem; position: relative; color: var(--kursun); }
.adimlar li b { display: block; color: var(--murekkep); }
.adimlar li::before { content: counter(a); position: absolute; top: 0; left: 0; width: 2.4rem; height: 2.4rem; border-radius: 50%; display: grid; place-items: center; background: var(--murekkep); color: var(--beyaz); font-weight: 800; }

/* Katalog */
.katalog { padding: 2rem 0 4rem; }
.katalog-bas { display: flex; flex-wrap: wrap; align-items: baseline; gap: .5rem 1rem; }
.sayac { color: var(--kursun); margin: 0; }
.katalog-govde { display: grid; grid-template-columns: 240px 1fr; gap: 2rem; margin-top: 1rem; }
.filtreler { align-self: start; position: sticky; top: 1rem; display: flex; flex-direction: column; gap: 1.25rem; }
.filtre-grup { border: 0; margin: 0; padding: 0; }
.filtre-grup legend { font-weight: 700; margin-bottom: .4rem; padding: 0; }
.secim { display: flex; align-items: center; gap: .55rem; padding: .2rem 0; cursor: pointer; font-size: .95rem; }
.secim input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.secim input:checked + .balon { background: var(--murekkep); border-color: var(--murekkep); }
.temizle { align-self: start; background: none; border: 0; padding: 0; font: 600 .95rem var(--yazi); color: var(--lacivert); text-decoration: underline; cursor: pointer; }
.bos { color: var(--kursun); padding: 2rem 0; }
.filtre-ac { display: none; }

/* Ürün */
.kirinti { padding: 1.25rem 0 0; font-size: .9rem; color: var(--kursun); }
.urun { display: grid; grid-template-columns: minmax(0, 440px) minmax(0, 1fr); gap: 2.5rem; padding: 1.5rem 0 3rem; }
.galeri { display: grid; gap: 1rem; }
.galeri img { border-radius: 4px; box-shadow: 0 10px 30px -18px rgba(19, 32, 74, .6); background: var(--beyaz); }
.urun-bilgi { align-self: start; position: sticky; top: 1rem; }
.urun-ust { color: var(--kursun); font-weight: 600; margin: 0 0 .25rem; }
.urun h1 { font-size: clamp(1.8rem, 4vw, 2.6rem); }
.urun-duzey { display: flex; align-items: center; gap: .6rem; font-weight: 600; margin-bottom: 1rem; }
.urun-aciklama { max-width: 55ch; }
.fiyat { display: flex; flex-wrap: wrap; align-items: baseline; gap: .25rem .75rem; margin: 1rem 0 0; font-weight: 800; }
.fiyat-buyuk span:first-child { font-size: 2rem; }
.fiyat-not { font-size: .9rem; font-weight: 600; color: #8a5600; }
.bilgi { color: var(--kursun); font-size: .95rem; }
.ozellik { margin: 1.5rem 0; border-top: 1px solid var(--cizgi); }
.ozellik div { display: grid; grid-template-columns: 9rem 1fr; gap: 1rem; padding: .55rem 0; border-bottom: 1px solid var(--cizgi); }
.ozellik dt { color: var(--kursun); }
.ozellik dd { margin: 0; font-weight: 600; }
.teslim { list-style: none; counter-reset: t; display: flex; flex-wrap: wrap; gap: .5rem 1.25rem; padding: 0; color: var(--kursun); font-size: .92rem; }
.teslim li { counter-increment: t; }
.teslim li::before { content: counter(t) ". "; font-weight: 800; color: var(--murekkep); }

/* Metin sayfaları */
.metin { max-width: 68ch; padding: 2.5rem 0 4rem; }
.metin .liste li { margin-bottom: .75rem; }
.sss dt { font-weight: 700; margin-top: 1.25rem; }
.sss dd { margin: .25rem 0 0; color: var(--kursun); }
.buyuk-baglanti { font-size: 1.3rem; font-weight: 700; }

/* Alt */
.alt { background: var(--lacivert); color: #c9cfe6; margin-top: 2rem; }
.alt-ic { max-width: 1180px; margin: 0 auto; padding: 2rem 16px; }
.alt a { color: var(--beyaz); }
.alt-marka { color: var(--beyaz); font-weight: 800; margin: 0; }
.alt nav { display: flex; flex-wrap: wrap; gap: .5rem 1.25rem; }

@media (max-width: 860px) {
  .giris { grid-template-columns: 1fr; padding-top: 2rem; }
  .yelpaze { height: 300px; order: -1; }
  .yelpaze img { width: 160px; }
  .yelpaze img:nth-child(1) { transform: translate(-50%, -50%) rotate(-12deg) translateX(-48px); }
  .yelpaze img:nth-child(3) { transform: translate(-50%, -50%) rotate(12deg) translateX(48px); }
  .urun { grid-template-columns: 1fr; }
  .urun-bilgi { position: static; order: -1; }
  .galeri { grid-template-columns: repeat(2, 1fr); }
  .galeri-kapak { grid-column: 1 / -1; max-width: 320px; }
  .adimlar ol { grid-template-columns: 1fr; }
  .katalog-govde { grid-template-columns: 1fr; }
  .filtre-ac { display: inline-flex; margin-left: auto; min-height: 40px; padding: .4rem 1rem; }
  .filtre-ac[hidden] { display: none; }
  .filtreler { position: static; display: none; padding: 1rem; background: var(--beyaz); border: 1px solid var(--cizgi); border-radius: 8px; }
  .filtreler.acik, .katalog:not(.js) .filtreler { display: flex; }
  .izgara { grid-template-columns: repeat(2, 1fr); gap: 1.5rem 1rem; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }