/* Renkler İsacan Akhan logosundan: siyah #030304 ve kırmızı #D23633 */
:root {
  --zemin: #f6f5f3;
  --kart: #ffffff;
  --metin: #18181a;
  --soluk: #5f5f66;
  --cizgi: #e4e2de;
  --ana: #18181a;
  --ana-koyu: #000000;
  --ana-acik: #f0eeeb;
  --vurgu: #d23633;
  --vurgu-koyu: #b02a27;
  --uyari-zemin: #fff6e8;
  --uyari-cizgi: #f0d3a4;
  --golge: 0 1px 2px rgba(0,0,0,.04), 0 6px 20px rgba(0,0,0,.06);
  --kose: 14px;
  --genislik: 960px;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--zemin);
  color: var(--metin);
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
img { max-width: 100%; display: block; }
a { color: var(--vurgu-koyu); }
.kap { max-width: var(--genislik); margin: 0 auto; padding: 0 16px; }

/* Üst kısım: önce İsacan'ın markası, hemen altında Kılavuz 12.11-G'nin istediği 4 öğe (her sayfanın en üstünde) */
.marka-bandi { background: var(--kart); }
.marka-bandi .kap { display: flex; align-items: center; gap: 12px; padding-top: 12px; padding-bottom: 12px; }
.marka { display: flex; align-items: center; gap: 12px; text-decoration: none; color: inherit; }
.marka img { height: 46px; width: auto; }
.marka strong { display: block; font-size: 18px; line-height: 1.15; letter-spacing: -.01em; }
.marka span { display: block; font-size: 13px; color: var(--soluk); line-height: 1.3; }

.uyum-bandi { background: var(--ana-acik); border-top: 1px solid var(--cizgi); border-bottom: 1px solid var(--cizgi); }
.uyum-bandi .kap { display: flex; align-items: center; gap: 10px; padding-top: 7px; padding-bottom: 7px; flex-wrap: wrap; }
.bp-logo { height: 28px; width: auto; }
.bp-logo-yer {
  height: 28px; padding: 0 8px; border: 1px dashed var(--soluk); border-radius: 6px;
  display: inline-flex; align-items: center; font-size: 10.5px; color: var(--soluk); white-space: nowrap;
}
.bp-kimlik { font-size: 12.5px; color: var(--soluk); line-height: 1.3; flex: 1 1 200px; }
.bp-kimlik strong { color: var(--metin); font-weight: 600; }
.bant-butonlar { display: flex; gap: 6px; flex-wrap: wrap; }
.bant-buton {
  font-size: 12px; font-weight: 600; text-decoration: none; padding: 5px 11px; border-radius: 999px;
  border: 1px solid var(--ana); color: var(--ana); background: transparent; white-space: nowrap;
}
.bant-buton.dolu { background: var(--ana); color: #fff; }

/* Adım göstergesi */
.adimlar { display: flex; gap: 6px; justify-content: center; margin: 22px 0 6px; flex-wrap: wrap; font-size: 13px; }
.adimlar span, .adimlar a { padding: 4px 10px; border-radius: 999px; background: var(--kart); border: 1px solid var(--cizgi); color: var(--soluk); text-decoration: none; }
.adimlar a:hover { border-color: var(--vurgu); }
.adimlar .aktif { background: var(--ana); border-color: var(--ana); color: #fff; }
html { scroll-behavior: smooth; }
section[id] { scroll-margin-top: 12px; }

/* Tipografi */
h1 { font-size: clamp(28px, 6vw, 44px); line-height: 1.15; margin: 0 0 14px; letter-spacing: -.01em; }
h2 { font-size: clamp(22px, 4.5vw, 30px); line-height: 1.2; margin: 0 0 12px; }
h3 { font-size: 19px; margin: 0 0 6px; }
.ust-baslik { font-size: 13px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--vurgu); margin: 0 0 10px; }
.giris { font-size: 19px; color: var(--soluk); margin: 0 0 8px; }
.vurgu-yazi { color: var(--vurgu); }

/* Ana sayfa: şirketin üstlendikleri */
.etiket-baslik { font-size: 14px; font-weight: 700; color: var(--metin); margin: 22px 0 10px; }
.etiketler { list-style: none; padding: 0; margin: 0 auto 22px; max-width: 720px; display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; }
.etiketler li { background: var(--kart); border: 1px solid var(--cizgi); border-radius: 999px; padding: 7px 14px; font-size: 15px; font-weight: 600; }
.etiketler li span { font-weight: 400; color: var(--soluk); }

/* Ana sayfa: 3 adımlı akış */
.adim-listesi { list-style: none; padding: 0; margin: 28px auto 0; max-width: 880px; display: grid; gap: 12px; grid-template-columns: 1fr; text-align: left; }
@media (min-width: 720px) { .adim-listesi { grid-template-columns: repeat(3, 1fr); } }
.adim-listesi li { display: flex; gap: 12px; align-items: flex-start; background: var(--kart); border: 1px solid var(--cizgi); border-radius: var(--kose); padding: 16px; }
.adim-listesi .no { flex: none; width: 30px; height: 30px; border-radius: 50%; background: var(--ana); color: #fff; font-weight: 700; display: flex; align-items: center; justify-content: center; font-size: 15px; }
.adim-listesi strong { display: block; margin-bottom: 2px; }
.adim-listesi p { margin: 0; color: var(--soluk); font-size: 15px; }
.adim-listesi .sure { display: inline; font-weight: 400; color: var(--soluk); font-size: 14px; }
.ortala { text-align: center; }

section { padding: 40px 0; }
.kahraman { padding: 48px 0 28px; }

/* Kapılar */
.kapilar { display: grid; gap: 16px; grid-template-columns: 1fr; margin-top: 26px; }
@media (min-width: 720px) { .kapilar { grid-template-columns: 1fr 1fr; } .kapilar.tek { grid-template-columns: 1fr; max-width: 560px; margin-left: auto; margin-right: auto; } }
.kapi {
  display: flex; flex-direction: column; gap: 8px; text-decoration: none; color: inherit;
  background: var(--kart); border: 1px solid var(--cizgi); border-radius: var(--kose); padding: 22px; box-shadow: var(--golge);
  transition: transform .15s ease, border-color .15s ease;
}
.kapi:hover { transform: translateY(-2px); border-color: var(--vurgu); }
.kapi .etiket { font-size: 13px; font-weight: 700; color: var(--vurgu); }
.kapi p { margin: 0; color: var(--soluk); }
.kapi .ok { margin-top: auto; font-weight: 700; color: var(--vurgu); }

/* Kartlar */
.kart { background: var(--kart); border: 1px solid var(--cizgi); border-radius: var(--kose); padding: 22px; box-shadow: var(--golge); }
.izgara { display: grid; gap: 14px; grid-template-columns: 1fr; }
@media (min-width: 720px) { .izgara.iki { grid-template-columns: 1fr 1fr; } .izgara.uc { grid-template-columns: repeat(3, 1fr); } }
.kart p { margin: 0; color: var(--soluk); }
.urun-kart h3 { color: var(--ana-koyu); }
.urun-kart .not { font-size: 13px; color: var(--vurgu); margin-top: 6px; }

.acik-kutu { background: var(--ana-acik); border-radius: var(--kose); padding: 22px; }
.acik-kutu ul, .uyari-kutu ul { margin: 8px 0 0; padding-left: 20px; }
.uyari-kutu { background: var(--uyari-zemin); border: 1px solid var(--uyari-cizgi); border-radius: var(--kose); padding: 22px; }

/* Kim */
.kim { display: grid; gap: 24px; align-items: center; grid-template-columns: 1fr; }
@media (min-width: 720px) { .kim { grid-template-columns: 280px 1fr; } }
.foto-yer {
  aspect-ratio: 1; border-radius: var(--kose); border: 1px dashed var(--soluk); display: flex; align-items: center;
  justify-content: center; color: var(--soluk); font-size: 13px; background: var(--kart); max-width: 220px;
}
.kim ul { margin: 8px 0 0; padding-left: 20px; }
.kim.hikaye { align-items: start; }

/* Ana sayfa: organizasyon galerisi */
.galeri { display: grid; gap: 12px; grid-template-columns: 1fr; margin-top: 24px; }
@media (min-width: 720px) { .galeri { grid-template-columns: 1fr 1fr; } }
.galeri figure { margin: 0; }
.galeri img { display: block; width: 100%; height: auto; aspect-ratio: 16 / 9; object-fit: cover; border-radius: var(--kose); box-shadow: var(--golge); }
.galeri figcaption { text-align: center; color: var(--soluk); font-size: 14px; margin-top: 8px; }
.foto { display: block; width: 100%; max-width: 280px; height: auto; aspect-ratio: 4 / 5; object-fit: cover; border-radius: var(--kose); box-shadow: var(--golge); }
.hikaye p { margin: 0 0 12px; }
.hikaye p:last-child { margin-bottom: 0; }

/* İkonlu iletişim satırı */
.iletisim { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.iletisim-oge {
  display: inline-flex; align-items: center; gap: 8px; padding: 9px 14px; border-radius: 999px; min-height: 44px;
  background: var(--kart); border: 1px solid var(--cizgi); color: var(--metin); text-decoration: none; font-weight: 600; font-size: 15px;
}
.iletisim-oge:hover { border-color: var(--vurgu); color: var(--vurgu); }
.iletisim-oge svg { width: 20px; height: 20px; flex: none; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }

/* Video */
.video {
  position: relative; aspect-ratio: 16 / 9; border-radius: var(--kose); overflow: hidden; background: #111;
  box-shadow: var(--golge); margin-top: 18px;
}
.video iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.video-yer {
  position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center;
  color: #d8d8d8; text-align: center; padding: 16px; gap: 6px;
}
.video-yer .oynat { width: 64px; height: 64px; border-radius: 50%; background: rgba(255,255,255,.12); display: flex; align-items: center; justify-content: center; font-size: 26px; }
.video-yer small { color: #9a9a9a; }

/* Butonlar */
.buton {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px; font: inherit; font-weight: 700;
  background: var(--ana); color: #fff; text-decoration: none; border: 0; border-radius: 999px; padding: 15px 26px;
  cursor: pointer; box-shadow: 0 6px 16px rgba(0,0,0,.18); min-height: 52px;
}
.buton:hover { background: var(--vurgu); }
.buton.whatsapp { background: #1f8f4e; box-shadow: 0 6px 16px rgba(31,143,78,.25); }
.buton.whatsapp:hover { background: #18733f; }
.buton.genis { width: 100%; }
.cta { text-align: center; margin: 28px 0 8px; }
.cta p { color: var(--soluk); margin: 10px 0 0; font-size: 15px; }

/* Form */
form.kart { display: grid; gap: 18px; }
label.baslik, legend { font-weight: 700; display: block; margin-bottom: 6px; }
fieldset { border: 0; padding: 0; margin: 0; }
input[type=text], select, textarea {
  width: 100%; font: inherit; padding: 12px 14px; border-radius: 10px; border: 1px solid var(--cizgi); background: #fff; color: var(--metin);
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--ana); outline-offset: 1px; border-color: var(--ana); }
textarea { min-height: 90px; resize: vertical; }
.secenekler { display: grid; gap: 8px; }
.secenek { display: flex; gap: 10px; align-items: flex-start; padding: 12px 14px; border: 1px solid var(--cizgi); border-radius: 10px; cursor: pointer; background: #fff; }
.secenek:has(input:checked) { border-color: var(--ana); background: var(--ana-acik); }
.secenek input { margin-top: 5px; }
.yardim { font-size: 13.5px; color: var(--soluk); margin-top: 4px; }
.onay { display: flex; gap: 10px; align-items: flex-start; font-size: 14.5px; }
.onay input { margin-top: 5px; }
.gizli { display: none !important; }
.hata { color: #b3261e; font-size: 14px; }
.onizleme { white-space: pre-wrap; background: var(--zemin); border: 1px dashed var(--cizgi); border-radius: 10px; padding: 14px; font-size: 14.5px; }

/* Alt bilgi */
footer { margin-top: 40px; background: #ecebe5; border-top: 1px solid var(--cizgi); padding: 28px 0 36px; font-size: 13px; color: var(--soluk); }
footer p { margin: 0 0 10px; }
footer a { color: var(--soluk); }

.kucuk-not { color: var(--soluk); font-size: 14px; margin: 18px auto 0; max-width: 560px; }
@media (max-width: 719px) { .masaustu-br { display: none; } }
.kahraman .giris { max-width: 680px; margin-left: auto; margin-right: auto; }