.sayfa-sarmal {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.kabuk {
  width: min(1180px, 100% - 32px);
  margin-inline: auto;
}

main {
  flex: 1;
}

.bolum {
  padding-block: var(--bolum-bosluk);
}

.bolum-baslik {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--u4);
  margin-bottom: var(--u8);
}

.bolum-baslik h2 {
  margin: 0;
}

.bolum-baslik p {
  margin: 6px 0 0;
  color: var(--muted);
  max-width: 60ch;
}

/* ---- Üst bar ---- */

.ust-bar {
  position: sticky;
  top: 0;
  z-index: 900;
  background: var(--yuzey-blur);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line-soft);
}

.ust-bar-ic {
  display: flex;
  align-items: center;
  gap: var(--u5);
  height: 68px;
}

.marka {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--baslik);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  letter-spacing: -.02em;
}

.marka:hover {
  text-decoration: none;
  color: var(--baslik);
}

.marka img {
  height: 30px;
  width: auto;
}

/* Tema başına logo: açık temada koyu yazılı, koyu temada beyaz yazılı varyant */
.logo-koyu-tema { display: none; }

@media (prefers-color-scheme: dark) {
  :root:not([data-tema="acik"]) .logo-acik-tema { display: none; }
  :root:not([data-tema="acik"]) .logo-koyu-tema { display: inline; }
}

:root[data-tema="koyu"] .logo-acik-tema { display: none; }
:root[data-tema="koyu"] .logo-koyu-tema { display: inline; }
:root[data-tema="acik"] .logo-acik-tema { display: inline; }
:root[data-tema="acik"] .logo-koyu-tema { display: none; }

.marka-etiket {
  font-family: var(--font-kunye);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--muted);
  border-left: 1px solid var(--line);
  padding-left: 10px;
  margin-left: 2px;
}

.ust-menu {
  display: flex;
  align-items: center;
  gap: var(--u5);
  margin-left: auto;
}

.ust-menu a {
  font-size: 15px;
  font-weight: 500;
  color: var(--ink-700);
}

.ust-menu a:hover,
.ust-menu a[aria-current="page"] {
  color: var(--brand-metin);
  text-decoration: none;
}

.ust-arama {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  background: var(--yuzey);
  border: 1px solid var(--line);
  border-radius: var(--r-buton);
  min-width: 200px;
}

.ust-arama input {
  border: 0;
  padding: 0;
  font-size: 14px;
  background: transparent;
}

.ust-arama input:focus {
  box-shadow: none;
}

.ust-arama i {
  color: var(--muted);
  font-size: 14px;
}

/* Mobilde hamburger'ın solunda duran tema düğmesi (masaüstünde gizli) */
.tema-mobil {
  display: none;
}

.menu-dugmesi {
  display: none;
  margin-left: auto;
}

@media (max-width: 860px) {
  .ust-menu {
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: var(--u3);
    padding: var(--u5) 16px var(--u6);
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    box-shadow: var(--golge);
    display: none;
  }

  .ust-menu.acik {
    display: flex;
  }

  /* Tema düğmesi menüden çıkıp hamburger'ın soluna, hep görünür şekilde gelir */
  .tema-mobil {
    display: inline-flex;
    margin-left: auto;
  }

  .ust-menu .tema-dugmesi {
    display: none;
  }

  .menu-dugmesi {
    display: inline-flex;
    margin-left: 0;
  }

  .ust-arama {
    width: 100%;
  }
}

/* ---- Hero ---- */

.hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(180deg, var(--yuzey) 0%, var(--paper) 62%, var(--paper-alt) 100%);
  border-bottom: 1px solid var(--line-soft);
}

.hero-desen {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  color: var(--accent-600);
  opacity: var(--desen-opaklik);
}

.hero-ic {
  position: relative;
  padding-block: clamp(56px, 10vw, 120px);
  max-width: 760px;
}

.hero-etiket {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: var(--u5);
  padding: 4px 12px 4px 6px;
  background: var(--yuzey);
  border: 1px solid var(--line);
  border-radius: var(--r-rozet);
  font-family: var(--font-kunye);
  font-size: 11px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--ink-700);
}

.hero-etiket .nokta {
  width: 18px;
  height: 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--brand-600);
  color: #fff;
  font-size: 10px;
}

.hero h1 {
  margin-bottom: var(--u5);
}

.hero-alt {
  font-size: 18px;
  color: var(--ink-700);
  max-width: 58ch;
  margin-bottom: var(--u8);
}

.hero-eylemler {
  display: flex;
  flex-wrap: wrap;
  gap: var(--u3);
}

.hero-olcek {
  display: flex;
  flex-wrap: wrap;
  gap: var(--u8);
  margin-top: var(--u12);
  padding-top: var(--u6);
  border-top: 1px solid var(--line);
}

.hero-olcek div {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.hero-olcek strong {
  font-family: var(--font-display);
  font-size: 28px;
  color: var(--baslik);
}

/* ---- Ürün kartları ---- */

.urun-izgara {
  display: grid;
  gap: var(--u5);
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
}

.urun-kart {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--u4);
  padding: var(--u6);
  overflow: hidden;
}

.urun-kart::before {
  content: '';
  position: absolute;
  inset: 0 0 auto auto;
  width: 140px;
  height: 120px;
  background-image: var(--pafta-deseni);
  background-size: 140px 120px;
  opacity: .35;
  pointer-events: none;
}

.urun-kart::after {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--urun-renk, var(--brand-600));
}

.urun-ikon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  font-size: 20px;
  color: var(--urun-renk, var(--brand-600));
  background: color-mix(in srgb, var(--urun-renk, var(--brand-600)) 14%, var(--yuzey));
  border: 1px solid color-mix(in srgb, var(--urun-renk, var(--brand-600)) 30%, var(--yuzey));
}

.urun-kapak {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: 10px;
  border: 1px solid var(--line-soft);
}

.urun-kart h3 {
  margin: 0;
  font-size: 21px;
}

.urun-kart p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  flex: 1;
}

.urun-kart-alt {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--u3);
  padding-top: var(--u4);
  border-top: 1px solid var(--line-soft);
}

.urun-kart-alt .ok {
  color: var(--urun-renk, var(--brand-600));
  font-size: 18px;
  transition: transform var(--gecis);
}

.kart-tiklanabilir:hover .ok {
  transform: translateX(3px);
}

/* ---- Doküman ızgarası ---- */

.dokuman-izgara {
  display: grid;
  gap: var(--u5);
  grid-template-columns: repeat(auto-fill, minmax(268px, 1fr));
}

/* ---- Ürün detay başlığı ---- */

.urun-hero {
  position: relative;
  overflow: hidden;
  padding-block: var(--u12);
  background: var(--ink-900);
  color: #fff;
}

.urun-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: var(--pafta-deseni-acik);
  background-size: 320px 280px;
  opacity: .16;
}

.urun-hero-ic {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: var(--u6);
  align-items: flex-start;
}

.urun-hero h1 {
  color: #fff;
  margin-bottom: var(--u3);
  font-size: clamp(28px, 4vw, 44px);
}

.urun-hero p {
  color: rgba(255, 255, 255, .78);
  max-width: 64ch;
  margin: 0;
}

.urun-hero .urun-ikon {
  width: 56px;
  height: 56px;
  font-size: 26px;
  background: rgba(255, 255, 255, .08);
  border-color: rgba(255, 255, 255, .2);
  color: #fff;
}

.geri-linki {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-bottom: var(--u5);
  font-family: var(--font-kunye);
  font-size: 11px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, .7);
}

.geri-linki:hover {
  color: #fff;
  text-decoration: none;
}

/* ---- İletişim şeridi ---- */

.iletisim-serit {
  background: var(--ink-900);
  color: #fff;
  border-radius: var(--r-kart);
  padding: var(--u10);
  display: flex;
  flex-wrap: wrap;
  gap: var(--u8);
  justify-content: space-between;
  align-items: center;
}

.iletisim-serit h2 {
  color: #fff;
  margin: 0 0 var(--u2);
  font-size: 28px;
}

.iletisim-serit p {
  margin: 0;
  color: rgba(255, 255, 255, .74);
  max-width: 46ch;
}

.iletisim-liste {
  display: grid;
  gap: var(--u4);
}

.iletisim-liste a,
.iletisim-liste span {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  font-size: 15px;
}

.iletisim-liste i {
  color: var(--brand-500);
  font-size: 17px;
}

/* ---- Alt bilgi ---- */

.alt-bilgi {
  padding-block: var(--u8);
  border-top: 1px solid var(--line);
  background: var(--paper-alt);
}

.alt-bilgi-ic {
  display: flex;
  flex-wrap: wrap;
  gap: var(--u5);
  align-items: center;
  justify-content: space-between;
  font-size: 14px;
  color: var(--muted);
}

.alt-bilgi-menu {
  display: flex;
  flex-wrap: wrap;
  gap: var(--u5);
}

.alt-bilgi-marka {
  display: block;
  font-family: var(--font-display);
  font-size: 15px;
  color: var(--baslik);
}

/* ---- Arama sayfası ---- */

.arama-kutusu {
  display: flex;
  gap: var(--u3);
  max-width: 620px;
  margin-bottom: var(--u8);
}

.arama-kutusu input {
  flex: 1;
}

/* ---- Paket sayfası ---- */

.paket-hero {
  padding-block: var(--u12);
  background: linear-gradient(180deg, var(--yuzey), var(--paper-alt));
  border-bottom: 1px solid var(--line-soft);
}

.paket-hero .kunye {
  margin-bottom: var(--u3);
  display: block;
}

/* ---- Hata sayfası ---- */

.hata-sayfasi {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--u4);
  text-align: center;
  padding-block: var(--u24);
}

.hata-kodu {
  font-family: var(--font-kunye);
  font-size: 13px;
  letter-spacing: .16em;
  color: var(--brand-600);
}

.hata-sayfasi p {
  max-width: 48ch;
  color: var(--muted);
}