:root {
  --lacivert: #1a2e5a;
  --lacivert2: #142348;
  --lacivert-acik: #2a4080;
  --altin: #c9870a;
  --altin-acik: #f5a623;
  --ink: #1a1a1a;
  --muted: #5a6270;
  --line: #dde2ea;
  --bg: #f4f6fa;
  --card: #ffffff;
}
*, *::before, *::after { box-sizing: border-box; }
html, body {
  margin: 0; padding: 0;
  background: var(--bg);
  color: var(--ink);
  font: 17px/1.7 Georgia, 'Times New Roman', serif;
}

/* ── NAV ── */
.topbar {
  background: var(--lacivert);
  border-bottom: 4px solid var(--altin);
  padding: 0 16px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  min-height: 64px;
  width: 100%;
}
.topbar .nav {
  justify-self: center;
}
.topbar-right {
  justify-self: end;
}
@media (max-width: 600px) {
  .topbar {
    grid-template-columns: auto 1fr;
    padding: 0 10px;
    gap: 4px;
  }
  .topbar-trendyol { display: none; }
  .nav-btn {
    font-size: 13px;
    padding: 8px 10px;
  }
  .brand-name { font-size: 14px; }
}
.topbar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  text-decoration: none;
}
.brand-logo {
  width: 40px; height: 40px;
  background: var(--altin);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 20px; font-weight: 900; color: #fff;
  font-family: system-ui, sans-serif;
  flex-shrink: 0;
}
.brand-text { line-height: 1.2; }
.brand-name { font-size: 17px; font-weight: 700; color: #fff; font-family: system-ui, sans-serif; letter-spacing: 0.02em; }
.brand-sub { font-size: 11px; color: rgba(255,255,255,0.65); font-family: system-ui, sans-serif; }
.nav { display: flex; gap: 2px; }
.nav-btn {
  background: none; border: none;
  color: rgba(255,255,255,0.78);
  font-size: 15px; font-weight: 600;
  padding: 10px 18px;
  border-radius: 6px;
  cursor: pointer;
  font-family: system-ui, sans-serif;
  transition: background 0.15s, color 0.15s;
  letter-spacing: 0.01em;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
}
.nav-btn:hover { background: rgba(255,255,255,0.12); color: #fff; }
.nav-btn.aktif {
  background: var(--altin);
  color: #fff;
}

/* ── HAMBURGEr MENÜ ── */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 8px;
  z-index: 200;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: all 0.3s;
}
.hamburger.acik span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.acik span:nth-child(2) { opacity: 0; }
.hamburger.acik span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobil-menu {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: var(--lacivert2);
  z-index: 150;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
}
.mobil-menu.acik { display: flex; }
.mobil-menu .mobil-nav-btn {
  background: none; border: none;
  color: #fff; font-size: 24px; font-weight: 700;
  cursor: pointer; font-family: system-ui, sans-serif;
  padding: 14px 32px;
  border-radius: 8px;
  width: 260px; text-align: center;
  transition: background 0.15s;
  text-decoration: none;
  display: block;
}
.mobil-menu .mobil-nav-btn:hover { background: rgba(255,255,255,0.1); }
.mobil-menu .mobil-nav-btn.aktif { background: var(--altin); }
.mobil-menu .mobil-trendyol {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  background: var(--altin); color: #fff;
  font-size: 18px; font-weight: 700;
  padding: 14px 32px; border-radius: 8px;
  text-decoration: none; font-family: system-ui, sans-serif;
  width: 260px; margin-top: 8px;
}
.mobil-kapat {
  position: absolute; top: 20px; right: 20px;
  background: none; border: none;
  color: #fff; font-size: 32px; cursor: pointer;
}

@media (max-width: 700px) {
  .hamburger { display: flex; }
  .topbar .nav { display: none; }
  .topbar-right { display: none; }
  .topbar { grid-template-columns: 1fr auto; }
}


/* ── DROPDOWN MENÜ ── */
.dropdown { position: relative; }
.dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  background: var(--lacivert2);
  border-top: 3px solid var(--altin);
  border-radius: 0 0 8px 8px;
  min-width: 260px;
  z-index: 300;
  box-shadow: 0 8px 24px rgba(0,0,0,0.25);
  padding: 6px 0;
}
.dropdown:hover .dropdown-menu { display: block; }
.dropdown-item {
  display: block;
  width: 100%;
  padding: 12px 20px;
  background: none;
  border: none;
  color: rgba(255,255,255,0.85);
  font-size: 14px;
  font-weight: 600;
  font-family: system-ui, sans-serif;
  cursor: pointer;
  text-align: left;
  border-bottom: 1px solid rgba(255,255,255,0.07);
  transition: background 0.15s, color 0.15s;
  text-decoration: none;
}
.dropdown-item:last-child { border-bottom: none; }
.dropdown-item:hover { background: rgba(255,255,255,0.1); color: #fff; }
.nav-btn .arrow {
  font-size: 10px;
  margin-left: 4px;
  opacity: 0.7;
}

/* ── HERO BANT ── */
.hero-bant {
  background: var(--lacivert2);
  color: #fff;
  position: relative;
  overflow: hidden;
  min-height: 320px;
  display: flex;
  align-items: center;
}
.hero-bant-bg {
  position: absolute; inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0.28;
}
.hero-bant-icerik {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
  padding: 48px 24px;
  z-index: 1;
}
.hero-bant h1 {
  font-size: clamp(28px, 5vw, 44px);
  margin: 0 0 12px;
  line-height: 1.2;
  font-family: Georgia, serif;
  font-weight: 700;
}
.hero-bant p {
  font-size: 18px;
  color: rgba(255,255,255,0.85);
  max-width: 560px;
  margin: 0 0 24px;
  font-family: system-ui, sans-serif;
  line-height: 1.6;
}
.hero-etiket {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--altin);
  color: #fff;
  font-size: 13px; font-weight: 700;
  padding: 6px 14px; border-radius: 4px;
  font-family: system-ui, sans-serif;
  letter-spacing: 0.03em;
  margin-right: 8px; margin-bottom: 8px;
}

/* ── WRAP ── */
.wrap { max-width: 900px; margin: auto; padding: 40px 20px 64px; }

/* ── BÖLÜM BAŞLIĞI ── */
.bolum-baslik {
  font-size: clamp(20px, 4vw, 26px);
  font-family: Georgia, serif;
  color: var(--lacivert);
  margin: 48px 0 20px;
  padding-bottom: 10px;
  border-bottom: 3px solid var(--altin);
  display: inline-block;
}
.bolum-baslik:first-child { margin-top: 0; }

/* ── GALERİ ── */
.galeri {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
  margin-bottom: 40px;
}
.galeri-item {
  border-radius: 8px;
  overflow: hidden;
  aspect-ratio: 4/3;
  border: 2px solid var(--line);
  position: relative;
}
.galeri-item img {
  width: 100%; height: 100%;
  object-fit: cover; display: block;
  transition: transform 0.35s ease;
}
.galeri-item:hover img { transform: scale(1.05); }
.galeri-etiket {
  position: absolute; bottom: 0; left: 0; right: 0;
  background: linear-gradient(transparent, rgba(20,35,72,0.85));
  color: #fff; font-size: 13px; font-family: system-ui, sans-serif;
  padding: 20px 10px 8px; font-weight: 600;
}

/* ── METİN ── */
.icerik-metin {
  font-size: 17px; line-height: 1.8; color: #2d3748;
  margin-bottom: 16px;
}

/* ── ÖZELLİK SATIRI ── */
.ozellik-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 14px; margin-bottom: 40px;
}
.ozellik-kart {
  background: var(--card);
  border: 1px solid var(--line);
  border-top: 4px solid var(--lacivert);
  border-radius: 6px;
  padding: 18px 16px;
  text-align: center;
}
.ozellik-ikon { font-size: 30px; margin-bottom: 10px; }
.ozellik-kart h3 {
  font-size: 16px; margin: 0 0 6px;
  font-family: system-ui, sans-serif; font-weight: 700;
  color: var(--lacivert);
}
.ozellik-kart p { font-size: 14px; color: var(--muted); margin: 0; font-family: system-ui, sans-serif; line-height: 1.6; }


/* ── BENTO BOX ── */
.bento-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-auto-rows: minmax(140px, auto);
  gap: 12px;
  margin-bottom: 36px;
}
.bento-kart {
  background: var(--card);
  border: 1px solid var(--line);
  border-top: 4px solid var(--lacivert);
  border-radius: 10px;
  padding: 20px 18px;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
}
.bento-kart.genis { grid-column: span 2; }
.bento-kart.uzun  { grid-row: span 2; }
.bento-kart.altin-kart {
  background: var(--lacivert);
  border-top-color: var(--altin);
}
.bento-kart.altin-kart h3 { color: var(--altin); }
.bento-kart.altin-kart p  { color: rgba(255,255,255,0.82); }
.bento-ikon { font-size: 28px; margin-bottom: 10px; }
.bento-kart h3 {
  font-size: 15px; margin: 0 0 8px;
  font-family: system-ui, sans-serif; font-weight: 700;
  color: var(--lacivert);
}
.bento-kart p {
  font-size: 13px; color: var(--muted);
  margin: 0; font-family: system-ui, sans-serif; line-height: 1.6;
}
@media (max-width: 600px) {
  .bento-grid { grid-template-columns: 1fr 1fr; }
  .bento-kart.genis { grid-column: span 2; }
  .bento-kart.uzun  { grid-row: span 1; }
}
@media (max-width: 400px) {
  .bento-grid { grid-template-columns: 1fr; }
  .bento-kart.genis { grid-column: span 1; }
}

/* ── KULLANIM LİSTESİ ── */
.kullanim-list {
  list-style: none; margin: 0 0 40px; padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 10px;
}
.kullanim-list li {
  background: var(--lacivert);
  color: #fff;
  border-radius: 6px;
  padding: 12px 16px;
  font-size: 15px; font-weight: 600;
  font-family: system-ui, sans-serif;
  display: flex; align-items: center; justify-content: center; text-align: center;
}

/* ── TEKNİK TABLO ── */
.teknik-tablo {
  width: 100%; border-collapse: collapse;
  margin-bottom: 40px; font-size: 15px;
  font-family: system-ui, sans-serif;
}
.teknik-tablo th {
  background: var(--lacivert); color: #fff;
  font-weight: 700; padding: 11px 16px;
  text-align: left;
}
.teknik-tablo td {
  padding: 10px 16px;
  border-bottom: 1px solid var(--line);
  color: var(--ink);
}
.teknik-tablo tr:nth-child(even) td { background: #f0f3f9; }

/* ── ADIM KARTI ── */
.adim-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px,1fr));
  gap: 12px; margin-bottom: 40px;
}
.adim-kart {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 6px; padding: 18px 16px;
  position: relative;
}
.adim-no {
  width: 34px; height: 34px;
  background: var(--lacivert); color: #fff;
  border-radius: 50%; display: flex;
  align-items: center; justify-content: center;
  font-size: 16px; font-weight: 800;
  font-family: system-ui, sans-serif;
  margin-bottom: 10px;
}
.adim-kart h3 { font-size: 15px; margin: 0 0 6px; font-family: system-ui, sans-serif; font-weight: 700; color: var(--lacivert); }
.adim-kart p { font-size: 13px; color: var(--muted); margin: 0; font-family: system-ui, sans-serif; line-height: 1.5; }

/* ── SATIN AL ── */
.satin-al-wrap {
  text-align: center; margin-top: 40px;
  padding: 32px 20px;
  background: var(--lacivert);
  border-radius: 10px;
}
.satin-al-wrap p { color: rgba(255,255,255,0.75); font-size: 15px; margin-top: 12px; font-family: system-ui, sans-serif; }
.satin-al-wrap p button {
  background: none; border: none;
  color: var(--altin-acik); font-size: 15px;
  font-weight: 700; cursor: pointer;
  text-decoration: underline; padding: 0;
  font-family: system-ui, sans-serif;
}
.btn-trendyol {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 18px 36px;
  border: 0; border-radius: 6px;
  background: var(--altin); color: #fff;
  font-size: 19px; font-weight: 700;
  text-decoration: none; cursor: pointer;
  font-family: system-ui, sans-serif;
  transition: background 0.15s, transform 0.1s;
  letter-spacing: 0.01em;
}
.btn-trendyol:hover { background: var(--altin-acik); }
.btn-trendyol-nav:hover { background: #e8920a !important; transform: scale(1.03); }
.btn-trendyol:active { transform: scale(0.98); }

/* ── HESAPLAMA SAYFASI ── */
.hesap-baslik-bant {
  background: var(--lacivert);
  color: #fff;
  padding: 36px 24px;
  text-align: center;
  border-bottom: 4px solid var(--altin);
}
.hesap-baslik-bant h1 {
  font-size: clamp(22px, 5vw, 32px);
  margin: 0 0 8px;
  font-family: Georgia, serif;
}
.hesap-baslik-bant p {
  font-size: 16px; color: rgba(255,255,255,0.8);
  margin: 0; font-family: system-ui, sans-serif;
}
.hesap-wrap { max-width: 740px; margin: auto; padding: 36px 20px 64px; }
.input-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 16px; margin-bottom: 20px;
}
.field { display: flex; flex-direction: column; gap: 7px; }
.field label {
  font-size: 15px; font-weight: 700;
  color: var(--lacivert);
  font-family: system-ui, sans-serif;
}
.hint-lbl { font-size: 12px; color: var(--muted); font-weight: 400; }
.fld {
  padding: 15px 14px;
  border: 2px solid var(--line);
  border-radius: 6px;
  background: #fff;
  font-size: 20px; font-weight: 700;
  width: 100%; color: var(--ink);
  font-family: system-ui, sans-serif;
  transition: border-color 0.15s;
}
.fld:focus { outline: none; border-color: var(--lacivert); }
.fld[readonly] { background: #f0f3f9; color: var(--muted); font-size: 16px; font-weight: 400; }
.btn-hesapla {
  width: 100%; padding: 20px;
  border: 0; border-radius: 6px;
  background: var(--lacivert); color: #fff;
  font-size: 21px; font-weight: 700;
  cursor: pointer; margin-top: 4px;
  font-family: system-ui, sans-serif;
  letter-spacing: 0.02em;
  border-bottom: 4px solid var(--lacivert2);
  transition: background 0.15s, transform 0.1s;
}
.btn-hesapla:active { transform: scale(0.99); background: var(--lacivert2); }

/* Sonuç */
.result-banner {
  margin-top: 24px;
  background: var(--lacivert);
  border-radius: 8px; padding: 22px 24px;
  display: none; border-left: 6px solid var(--altin);
}
.result-label { font-size: 14px; color: rgba(255,255,255,0.75); margin-bottom: 4px; font-family: system-ui, sans-serif; }
.big-result { font-size: 36px; font-weight: 800; color: #fff; font-family: system-ui, sans-serif; }
.result-sub { font-size: 14px; color: rgba(255,255,255,0.75); margin-top: 6px; font-family: system-ui, sans-serif; }

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 12px; margin-top: 16px;
}
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-top: 3px solid var(--lacivert);
  border-radius: 6px; padding: 14px 16px;
}
.card h3 {
  margin: 0 0 10px; font-size: 13px;
  color: var(--lacivert); font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.05em;
  font-family: system-ui, sans-serif;
}
.stat {
  display: flex; justify-content: space-between; align-items: baseline;
  padding: 6px 0; border-top: 1px dashed var(--line); font-size: 14px;
  font-family: system-ui, sans-serif;
}
.stat:first-of-type { border-top: 0; }
.stat .val { font-weight: 800; font-size: 18px; color: var(--lacivert); }
.stat .unit { font-size: 12px; color: var(--muted); margin-left: 2px; }

.geo-card {
  background: #fffbeb;
  border: 2px solid var(--altin);
  border-radius: 6px; padding: 16px 18px; margin-top: 14px;
}
.geo-card h3 { margin: 0 0 8px; font-size: 16px; color: #7c4a00; font-family: system-ui, sans-serif; font-weight: 700; }
.geo-info { font-size: 15px; color: #5a3800; line-height: 1.7; font-family: system-ui, sans-serif; }

.svgbox {
  background: #fff; border: 1px solid var(--line);
  border-top: 3px solid var(--lacivert);
  border-radius: 6px; margin-top: 20px; padding: 16px;
}
.svgbox .title {
  font-size: 13px; font-weight: 700; margin-bottom: 8px;
  color: var(--lacivert); text-transform: uppercase;
  letter-spacing: 0.06em; font-family: system-ui, sans-serif;
}
svg { width: 100%; height: auto; background: #fff; }
.lbl { fill: #1a2e5a; font-weight: 700; }
.svg-muted { fill: #6b7280; }

.formbox { display: none; margin-top: 28px; }
.formcard {
  background: var(--card);
  border: 1px solid var(--line);
  border-top: 4px solid var(--lacivert);
  border-radius: 8px; padding: 24px;
}
.formcard h3 {
  margin: 0 0 6px; font-size: 22px;
  font-family: Georgia, serif; color: var(--lacivert);
}
.ozet-text {
  font-size: 13px; color: var(--muted); margin-bottom: 18px;
  background: #f0f3f9; padding: 10px 14px;
  border-radius: 6px; border: 1px solid var(--line);
  font-family: system-ui, sans-serif;
}
.formgrid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 14px; }
.formgrid .grid-full { grid-column: 1 / -1; }
.field-lbl { font-size: 14px; font-weight: 700; margin-bottom: 6px; display: block; color: var(--lacivert); font-family: system-ui, sans-serif; }
.inpt {
  width: 100%; padding: 13px 14px;
  border: 2px solid var(--line); border-radius: 6px;
  font-size: 16px; font-family: system-ui, sans-serif;
  transition: border-color 0.15s; color: var(--ink);
}
.inpt:focus { outline: none; border-color: var(--lacivert); }
.inpt.textarea { min-height: 100px; resize: vertical; }
.btn-gonder {
  width: 100%; padding: 16px; border: 0;
  border-radius: 6px; background: var(--lacivert); color: #fff;
  font-size: 18px; font-weight: 700; cursor: pointer; margin-top: 16px;
  font-family: system-ui, sans-serif;
  border-bottom: 4px solid var(--lacivert2);
}
.notice {
  margin-top: 14px; padding: 14px;
  border-radius: 6px; background: #d0f0e8; color: #0a4a35;
  border: 1px solid #6dcbaf; display: none;
  font-weight: 600; font-family: system-ui, sans-serif;
}

.note-box {
  margin-top: 24px; padding: 16px 18px;
  background: #f0f3f9;
  border-left: 5px solid var(--lacivert);
  border-radius: 0 6px 6px 0;
  font-size: 14px; color: #2d3748;
  line-height: 1.8; font-family: system-ui, sans-serif;
}
.note-box strong { color: var(--lacivert); }


/* ── MAĞAZA ── */
.magaza-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}
.urun-kart {
  background: #fff;
  border: 1px solid var(--line);
  border-top: 4px solid var(--lacivert);
  border-radius: 10px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  font-family: system-ui, sans-serif;
  box-shadow: 0 2px 8px rgba(26,46,90,0.06);
  transition: box-shadow 0.2s;
}
.urun-kart:hover { box-shadow: 0 4px 16px rgba(26,46,90,0.12); }
.urun-kart-img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-radius: 6px;
  margin-bottom: 4px;
}
.urun-kart-isim {
  font-size: 16px;
  font-weight: 800;
  color: var(--lacivert);
  line-height: 1.3;
}
.urun-kart-aciklama {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.5;
}
.urun-kart-select {
  width: 100%;
  padding: 10px 12px;
  border: 2px solid var(--line);
  border-radius: 6px;
  font-size: 13px;
  font-family: system-ui, sans-serif;
  color: var(--lacivert);
  font-weight: 600;
  background: #f8f9fc;
  cursor: pointer;
  outline: none;
  transition: border-color 0.15s;
}
.urun-kart-select:focus { border-color: var(--lacivert); }
.urun-kart-fiyat {
  font-size: 26px;
  font-weight: 800;
  color: var(--lacivert);
}
.urun-kart-fiyat span { font-size: 15px; font-weight: 500; color: var(--muted); }
.urun-kart-m2 { font-size: 12px; color: var(--muted); margin-top: -8px; }
.btn-satin-al {
  display: block;
  text-align: center;
  padding: 13px;
  background: var(--altin);
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  font-family: system-ui, sans-serif;
  transition: background 0.15s;
  margin-top: auto;
}
.btn-satin-al:hover { background: var(--altin-acik); }


/* ── SEPET ── */
.sepet-ikon-wrap {
  position: relative;
  cursor: pointer;
  padding: 8px 12px;
  color: #fff;
  font-size: 20px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.sepet-sayi {
  position: absolute;
  top: 2px;
  right: 4px;
  background: var(--altin);
  color: #fff;
  font-size: 10px;
  font-weight: 800;
  border-radius: 50%;
  width: 18px;
  height: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: system-ui, sans-serif;
}
.sepet-panel {
  display: none;
  position: fixed;
  top: 0; right: 0;
  width: 380px;
  max-width: 100vw;
  height: 100vh;
  background: #fff;
  box-shadow: -4px 0 24px rgba(0,0,0,0.18);
  z-index: 1000;
  flex-direction: column;
  font-family: system-ui, sans-serif;
}
.sepet-panel.acik { display: flex; }
.sepet-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.4);
  z-index: 999;
}
.sepet-overlay.acik { display: block; }
.sepet-panel-baslik {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 20px;
  background: var(--lacivert);
  color: #fff;
}
.sepet-panel-baslik h2 {
  font-size: 18px;
  font-weight: 800;
  margin: 0;
  color: #fff;
}
.sepet-kapat {
  background: none;
  border: none;
  color: #fff;
  font-size: 24px;
  cursor: pointer;
  padding: 0;
  line-height: 1;
}
.sepet-liste {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.sepet-bos {
  text-align: center;
  color: var(--muted);
  padding: 60px 20px;
}
.sepet-bos p { font-size: 15px; margin-top: 12px; }
.sepet-urun {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
}
.sepet-urun-bilgi { flex: 1; }
.sepet-urun-isim { font-size: 13px; font-weight: 700; color: var(--lacivert); margin-bottom: 4px; }
.sepet-urun-metraj { font-size: 12px; color: var(--muted); margin-bottom: 6px; }
.sepet-urun-fiyat { font-size: 16px; font-weight: 800; color: var(--lacivert); }
.sepet-urun-sil {
  background: none;
  border: none;
  color: var(--muted);
  font-size: 18px;
  cursor: pointer;
  padding: 0 4px;
  line-height: 1;
}
.sepet-urun-sil:hover { color: #c00; }
.sepet-adet {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 8px;
}
.sepet-adet button {
  width: 28px; height: 28px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: #fff;
  font-size: 16px;
  cursor: pointer;
  font-weight: 700;
  color: var(--lacivert);
  display: flex;
  align-items: center;
  justify-content: center;
}
.sepet-adet span { font-size: 14px; font-weight: 700; color: var(--lacivert); min-width: 20px; text-align: center; }
.sepet-alt {
  padding: 16px 20px;
  border-top: 2px solid var(--line);
  background: #f8f9fc;
}
.sepet-toplam {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}
.sepet-toplam-label { font-size: 14px; color: var(--muted); font-weight: 600; }
.sepet-toplam-fiyat { font-size: 22px; font-weight: 800; color: var(--lacivert); }
.sepet-odeme-btn {
  width: 100%;
  padding: 14px;
  background: var(--altin);
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 16px;
  font-weight: 800;
  cursor: pointer;
  font-family: system-ui, sans-serif;
  transition: background 0.15s;
}
.sepet-odeme-btn:hover { background: var(--altin-acik); }
.sepet-odeme-not {
  font-size: 11px;
  color: var(--muted);
  text-align: center;
  margin-top: 8px;
}
.odeme-altyapi-uyari {
  display: none;
  background: #fff3cd;
  border: 1px solid #ffc107;
  color: #856404;
  border-radius: 8px;
  padding: 10px 14px;
  font-size: 13px;
  text-align: center;
  margin-top: 10px;
  line-height: 1.4;
}
.odeme-altyapi-uyari.goster {
  display: block;
}
.sepet-ekle-bildirim {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--lacivert);
  color: #fff;
  padding: 12px 24px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  font-family: system-ui, sans-serif;
  z-index: 1100;
  opacity: 0;
  transition: opacity 0.3s;
  pointer-events: none;
  white-space: nowrap;
  border-left: 4px solid var(--altin);
}
.sepet-ekle-bildirim.goster { opacity: 1; }
@media (max-width: 700px) {
  .sepet-panel { width: 100vw; }
}


/* ── POPUP ── */
.popup-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.55);
  z-index: 2000;
  align-items: center;
  justify-content: center;
}
.popup-overlay.acik { display: flex; }
.popup-kutu {
  background: #fff;
  border-radius: 12px;
  width: 720px;
  max-width: 95vw;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
  overflow: hidden;
}
.popup-baslik {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px;
  background: var(--lacivert);
  border-bottom: 3px solid var(--altin);
}
.popup-baslik h3 {
  color: #fff;
  font-size: 17px;
  font-weight: 800;
  margin: 0;
  font-family: system-ui, sans-serif;
}
.popup-kapat {
  background: none;
  border: none;
  color: #fff;
  font-size: 24px;
  cursor: pointer;
  line-height: 1;
  padding: 0;
}
.popup-icerik {
  padding: 28px 28px;
  overflow-y: auto;
  font-family: system-ui, sans-serif;
  font-size: 14px;
  line-height: 1.75;
  color: #1a1a1a;
  flex: 1;
}
.popup-icerik h2 {
  color: var(--lacivert);
  font-size: 16px;
  margin-top: 24px;
  margin-bottom: 8px;
  border-bottom: 1px solid #e5e7eb;
  padding-bottom: 6px;
}
.popup-icerik h2:first-child { margin-top: 0; }
.popup-icerik p { margin-bottom: 10px; }


/* ── ÜRÜN DETAY SAYFASI ── */
.urun-detay-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  max-width: 1100px;
  margin: 0 auto;
  padding: 40px 24px;
}
@media (max-width: 700px) {
  .urun-detay-wrap { grid-template-columns: 1fr; padding: 20px 16px; gap: 24px; }
}
.urun-galeri { display: flex; flex-direction: column; gap: 12px; }
.galeri-ana {
  width: 100%;
  aspect-ratio: 4/3;
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid var(--line);
}
.galeri-ana img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: opacity 0.2s;
}
.galeri-thumb-list {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 4px;
}
.galeri-thumb {
  width: 64px;
  height: 64px;
  object-fit: cover;
  border-radius: 6px;
  border: 2px solid transparent;
  cursor: pointer;
  flex-shrink: 0;
  transition: border-color 0.15s;
}
.galeri-thumb.aktif { border-color: var(--altin); }
.galeri-thumb:hover { border-color: var(--lacivert); }

.urun-bilgi { display: flex; flex-direction: column; gap: 16px; }
.urun-detay-baslik {
  font-size: 28px;
  font-weight: 800;
  color: var(--lacivert);
  margin: 0;
  font-family: Georgia, serif;
}
.urun-detay-aciklama {
  font-size: 15px;
  color: var(--muted);
  line-height: 1.6;
  margin: 0;
  font-family: system-ui, sans-serif;
}
.urun-ebat-label {
  font-size: 13px;
  font-weight: 700;
  color: var(--lacivert);
  font-family: system-ui, sans-serif;
}
.urun-detay-select {
  width: 100%;
  padding: 12px 14px;
  border: 2px solid var(--line);
  border-radius: 8px;
  font-size: 14px;
  font-family: system-ui, sans-serif;
  color: var(--lacivert);
  font-weight: 600;
  background: #fff;
  cursor: pointer;
  outline: none;
  transition: border-color 0.15s;
}
.urun-detay-select:focus { border-color: var(--lacivert); }
.urun-detay-fiyat-wrap { display: flex; align-items: baseline; gap: 12px; }
.urun-detay-fiyat {
  font-size: 36px;
  font-weight: 800;
  color: var(--lacivert);
  font-family: system-ui, sans-serif;
}
.urun-detay-birim {
  font-size: 14px;
  color: var(--muted);
  font-family: system-ui, sans-serif;
}
.urun-kargo-etiketi {
  font-size: 13px;
  font-weight: 600;
  color: #166534;
  background: #dcfce7;
  padding: 8px 14px;
  border-radius: 6px;
  font-family: system-ui, sans-serif;
  display: inline-block;
}
.urun-detay-sepet-btn {
  width: 100%;
  padding: 16px;
  background: var(--altin);
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 17px;
  font-weight: 800;
  cursor: pointer;
  font-family: system-ui, sans-serif;
  transition: background 0.15s;
}
.urun-detay-sepet-btn:hover { background: var(--altin-acik); }
.urun-birlikte { margin-top: 8px; }
.urun-birlikte-baslik {
  font-size: 13px;
  font-weight: 700;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 10px;
  font-family: system-ui, sans-serif;
}
.urun-birlikte-kart {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  cursor: pointer;
  transition: border-color 0.15s, box-shadow 0.15s;
  text-decoration: none;
}
.urun-birlikte-kart:hover { border-color: var(--lacivert); box-shadow: 0 2px 8px rgba(26,46,90,0.1); }
.urun-birlikte-kart img { width: 56px; height: 56px; object-fit: cover; border-radius: 6px; }
.urun-detay-alt {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px 60px;
}
@media (max-width: 700px) { .urun-detay-alt { padding: 0 16px 40px; } }

/* ── FOOTER ── */
footer {
  background: var(--lacivert2);
  border-top: 4px solid var(--altin);
  padding: 28px 24px;
}
.footer-inner {
  max-width: 900px; margin: auto;
  display: flex; align-items: center;
  justify-content: space-between; flex-wrap: wrap; gap: 14px;
}
.footer-brand { font-size: 16px; font-weight: 800; color: #fff; font-family: system-ui, sans-serif; }
.footer-sub { font-size: 13px; color: rgba(255,255,255,0.6); font-family: system-ui, sans-serif; margin-top: 2px; }
.social { list-style: none; display: flex; gap: 10px; margin: 0; padding: 0; }
.footer-guven-seridi {
  max-width: 900px; margin: 20px auto 0;
  padding-top: 16px;
  border-top: 1px solid rgba(255,255,255,0.12);
  display: flex; justify-content: center;
}
.footer-guven-logo {
  height: 28px; display: block; object-fit: contain; opacity: 0.85;
  transition: opacity 0.2s;
}
.footer-guven-logo:hover { opacity: 1; }
.social a {
  display: inline-flex; align-items: center; justify-content: center;
  width: 42px; height: 42px; border-radius: 6px;
  background: rgba(255,255,255,0.12); color: rgba(255,255,255,0.8);
  text-decoration: none; transition: background 0.15s;
}
.social a:hover { background: var(--altin); color: #fff; }

@media (max-width: 520px) {
  .topbar { padding: 0 14px; min-height: 56px; }
  .nav-btn { font-size: 14px; padding: 8px 12px; }
  .fld { font-size: 22px; padding: 17px 14px; }
  .btn-hesapla { font-size: 20px; padding: 20px; }
  .big-result { font-size: 32px; }
  .hero-bant-icerik { padding: 36px 16px; }
}

/* ── SCROLL ANİMASYONLARI ── */
.fade-up {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-up.gorundur {
  opacity: 1;
  transform: translateY(0);
}
.fade-up.gecikme-1 { transition-delay: 0.1s; }
.fade-up.gecikme-2 { transition-delay: 0.2s; }
.fade-up.gecikme-3 { transition-delay: 0.3s; }
.fade-up.gecikme-4 { transition-delay: 0.4s; }
.fade-up.gecikme-5 { transition-delay: 0.5s; }
.fade-up.gecikme-6 { transition-delay: 0.6s; }

/* ── SSS ── */
.sss-liste { display: flex; flex-direction: column; gap: 8px; }
.sss-item { border: 1px solid var(--line); border-radius: 8px; overflow: hidden; background: #fff; }
.sss-soru {
  width: 100%; background: none; border: none;
  padding: 16px 20px;
  display: flex; justify-content: space-between; align-items: center;
  cursor: pointer; text-align: left;
  font-size: 16px; font-weight: 700; color: var(--lacivert);
  font-family: system-ui, sans-serif;
  transition: background 0.15s;
  gap: 12px;
}
.sss-soru:hover { background: #f0f3f9; }
.sss-soru.acik { background: var(--lacivert); color: #fff; }
.sss-ok { font-size: 13px; flex-shrink: 0; transition: transform 0.2s; }
.sss-soru.acik .sss-ok { transform: rotate(180deg); }
.sss-item.acik .sss-cevap { display: block; }
.sss-cevap {
  display: none;
  padding: 14px 20px 18px;
  font-size: 15px; color: #374151;
  font-family: system-ui, sans-serif;
  line-height: 1.7;
  border-top: 1px solid var(--line);
}
.sss-cevap.acik { display: block; }

/* ── SSS (ürün detay sayfaları için) ── */
.sss-list { display: flex; flex-direction: column; gap: 8px; margin-bottom: 40px; }
.sss-item .sss-soru { justify-content: space-between; }
.sss-item .sss-soru span:last-child { font-size: 18px; flex-shrink: 0; }