/* ============================================
   GENEL.CSS — Tüm sayfalarda ortak stiller
   Prefix: stbzdn-
   ============================================ */

/* ---------- Renk Paleti ---------- */
:root {
    --stbzdn-renk-sand:        #f3ece1;
    --stbzdn-renk-beyaz:       #ffffff;
    --stbzdn-renk-sawdust:     #e8e1d4;
    --stbzdn-renk-cashew:      #c08e4a;
    --stbzdn-renk-husk:        #0a0a0a;
    --stbzdn-renk-plant:       #b5cdb5;
    --stbzdn-renk-biomass:     #5a7a6a;
    --stbzdn-renk-soil:        #133a2a;
    --stbzdn-renk-yazi:        #1a1a1a;
    --stbzdn-renk-yazi-acik:   #6b6b6b;
    --stbzdn-renk-cizgi:       #d9d2c4;
}

/* ---------- Reset / Genel ---------- */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    font-weight: 300;
    color: var(--stbzdn-renk-yazi);
    background-color: var(--stbzdn-renk-beyaz);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
    font-family: Arial, Helvetica, sans-serif;
    font-weight: 400;
    letter-spacing: -0.02em;
    color: var(--stbzdn-renk-yazi);
}

a {
    color: inherit;
    text-decoration: none;
    transition: opacity 0.2s ease;
}
a:hover { opacity: 0.7; }



   /* ============================================
      BUTON (Hover'da yazı yukarı kayar, ikon sabit)
      ============================================ */
   .stbzdn-buton {
       display: inline-flex;
       align-items: center;
       justify-content: flex-start;
       padding: 0 44px 0 26px;
       border: 1px solid currentColor;
       border-radius: 999px;
       font-size: 14px;
       font-weight: 400;
       letter-spacing: 0.01em;
       background: transparent;
       color: inherit;
       cursor: pointer;
       text-decoration: none;
       white-space: nowrap;
       position: relative;
       overflow: hidden;
       height: 46px;
       line-height: 1;
       isolation: isolate;
       transition: background 0.3s ease, color 0.3s ease, border-color 0.3s ease;
   }

   /* Görünmez referans — butonun genişliğini belirler (sadece yazı) */
   .stbzdn-buton-olcek {
       display: inline-flex;
       align-items: center;
       visibility: hidden;
       height: 46px;
       white-space: nowrap;
   }

   /* Kayan yazı container'ı — sağda ikon için boşluk var */
   .stbzdn-buton-icerik {
       position: absolute;
       top: 0;
       left: 0;
       right: 44px;
       height: 92px;
       display: flex;
       flex-direction: column;
       align-items: flex-start;
       justify-content: flex-start;
       padding-left: 26px;
       transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
       will-change: transform;
   }

   .stbzdn-buton-icerik > span {
       display: flex !important;
       align-items: center;
       height: 46px;
       flex-shrink: 0;
       white-space: nowrap;
   }

   /* İkon — butonun sağında sabit, hover'dan etkilenmez */
   .stbzdn-buton > .stbzdn-buton-ok {
       position: absolute;
       right: 22px;
       top: 50%;
       transform: translateY(-50%) !important;
       z-index: 2;
       transition: none !important;
   }

   /* Hover: sadece yazı yukarı kayar */
   .stbzdn-buton:hover .stbzdn-buton-icerik {
       transform: translateY(-46px);
   }

   .stbzdn-buton:hover {
       opacity: 1;
   }

   /* Renk varyantları */
   .stbzdn-buton-beyaz {
       color: var(--stbzdn-renk-beyaz);
       border-color: var(--stbzdn-renk-beyaz);
   }

   .stbzdn-buton-beyaz-dolu {
       background: var(--stbzdn-renk-beyaz);
       color: var(--stbzdn-renk-yazi);
       border-color: var(--stbzdn-renk-beyaz);
   }

   .stbzdn-buton-dolu {
       background: var(--stbzdn-renk-yazi);
       color: var(--stbzdn-renk-beyaz);
       border-color: var(--stbzdn-renk-yazi);
   }

/* ============================================
   ÜST MENÜ (Sticky)
   ============================================ */
.stbzdn-ust-menu {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 32px 48px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: transparent;
    transition: all 0.3s ease;
}

.stbzdn-ust-menu.stbzdn-yapiskan {
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(10px);
    padding: 18px 48px;
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.06);
}

/* Logo */
.stbzdn-logo {
    display: inline-flex;
    align-items: center;
    line-height: 0;
}

.stbzdn-logo img {
    height: 82px;
    width: auto;
    display: block;
    transition: opacity 0.3s ease, height 0.3s ease;
}

.stbzdn-yapiskan .stbzdn-logo img {
    height: 42px;
}

.stbzdn-logo-beyaz { opacity: 1; }
.stbzdn-logo-koyu  { position: absolute; opacity: 0; }
.stbzdn-yapiskan .stbzdn-logo-beyaz { opacity: 0;display:nones }
.stbzdn-yapiskan .stbzdn-logo-koyu  { opacity: 1; position: static; }

/* Menü listesi */
.stbzdn-menu-liste {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    gap: 44px;
    align-items: center;
}

.stbzdn-menu-liste > li {
    position: relative;
}

.stbzdn-menu-liste > li > a {
    color: var(--stbzdn-renk-beyaz);
    font-size: 15px;
    font-weight: 400;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 0;
    position: relative;
}

/* Hover çizgisi (soldan sağa) */
.stbzdn-menu-liste > li > a::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 2px;
    width: 100%;
    height: 1px;
    background-color: var(--stbzdn-renk-beyaz);
    transform: scaleX(0);
    transform-origin: left center;
    transition: transform 0.35s ease;
}

.stbzdn-menu-liste > li > a:hover::after,
.stbzdn-menu-liste > li:hover > a::after {
    transform: scaleX(1);
}

.stbzdn-yapiskan .stbzdn-menu-liste > li > a { color: var(--stbzdn-renk-yazi); }
.stbzdn-yapiskan .stbzdn-menu-liste > li > a::after { background-color: var(--stbzdn-renk-yazi); }

/* Menü oku */
.stbzdn-menu-ok {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 10px;
    height: 10px;
    transition: transform 0.3s ease;
}

.stbzdn-menu-ok svg {
    width: 100%;
    height: 100%;
    stroke: currentColor;
    fill: none;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.stbzdn-menu-liste > li:hover .stbzdn-menu-ok {
    transform: rotate(180deg);
}

/* Alt menü */
.stbzdn-alt-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    background: var(--stbzdn-renk-beyaz);
    border-radius: 12px;
    padding: 24px 32px;
    min-width: 220px;
    list-style: none;
    margin: 0;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.12);
    opacity: 0;
    visibility: hidden;
    transition: all 0.25s ease;
}

.stbzdn-menu-liste > li:hover .stbzdn-alt-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.stbzdn-alt-menu li { padding: 6px 0; }

.stbzdn-alt-menu li a {
    color: var(--stbzdn-renk-yazi);
    font-size: 14px;
    display: inline-block;
    position: relative;
    padding-bottom: 3px;
}

.stbzdn-alt-menu li a::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 1px;
    background-color: var(--stbzdn-renk-yazi);
    transform: scaleX(0);
    transform-origin: left center;
    transition: transform 0.35s ease;
}

.stbzdn-alt-menu li a:hover { opacity: 1; }
.stbzdn-alt-menu li a:hover::after { transform: scaleX(1); }

/* ============================================
   DİL SEÇİCİ (Glassmorphism)
   ============================================ */
.stbzdn-dil-secici {
    position: relative;
    margin-left: 24px;
}

.stbzdn-dil-buton {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: var(--stbzdn-renk-beyaz);
    font-size: 14px;
    font-weight: 400;
    cursor: pointer;
    padding: 8px 8px 8px 14px;
    font-family: inherit;
    border-radius: 999px;
    transition: background 0.25s ease, border-color 0.25s ease;
}

.stbzdn-dil-buton:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.25);
}

/* Sticky menüde koyu varyant */
.stbzdn-yapiskan .stbzdn-dil-buton {
    color: var(--stbzdn-renk-yazi);
    background: rgba(0, 0, 0, 0.04);
    border-color: rgba(0, 0, 0, 0.08);
}

.stbzdn-yapiskan .stbzdn-dil-buton:hover {
    background: rgba(0, 0, 0, 0.08);
    border-color: rgba(0, 0, 0, 0.15);
}

/* Bayrak */
.stbzdn-dil-bayrak {
    width: 22px;
    height: 16px;
    object-fit: cover;
    border-radius: 2px;
    display: block;
}

/* Ok — şeffaf daire, arka planı bulanık */
.stbzdn-dil-ok {
    width: 26px;
    height: 26px;
    background: rgba(255, 255, 255, 0.15);

    border: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s ease;
    flex-shrink: 0;
}

.stbzdn-dil-ok svg {
    width: 12px;
    height: 12px;
    stroke: currentColor;
    fill: none;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
    display: block;
}

/* Sticky'de ok dairesi */
.stbzdn-yapiskan .stbzdn-dil-ok {
    background: rgba(0, 0, 0, 0.06);
    border-color: rgba(0, 0, 0, 0.12);
}

/* Açıkken: ok döner + butonun alt köşeleri düzleşir (dropdown ile birleşik) */
.stbzdn-dil-secici.stbzdn-acik .stbzdn-dil-ok {
    transform: rotate(180deg);
}



/* Dropdown listesi — şeffaf + bulanık */
.stbzdn-dil-liste {
    position: absolute;
    top: 100%;
    right: 0;
    background: rgba(255, 255, 255, 1);

    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 18px;

    padding: 10px 0;
    min-width: 100%;
    list-style: none;
    margin: 0;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
    opacity: 0;
    visibility: hidden;
    transform: translateY(4px);
    transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s ease;
    overflow: hidden;
}

.stbzdn-dil-secici.stbzdn-acik .stbzdn-dil-liste {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.stbzdn-dil-liste li button {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 18px;
    background: none;
    border: none;
    color: inherit;
    font-size: 14px;
    font-family: inherit;
    text-align: left;
    cursor: pointer;
    transition: background 0.2s ease;
}

.stbzdn-dil-liste li button:hover {
    background: rgba(255, 255, 255, 0.15);
}

.stbzdn-dil-liste li button.stbzdn-aktif-dil {
    font-weight: 500;
}

/* Sticky'de dropdown — koyu yazı için */
.stbzdn-yapiskan .stbzdn-dil-liste {
    background: rgba(255, 255, 255, 0.7);
    border-color: rgba(0, 0, 0, 0.08);
    color: var(--stbzdn-renk-yazi);
}

.stbzdn-yapiskan .stbzdn-dil-liste li button:hover {
    background: rgba(0, 0, 0, 0.05);
}




/* ============================================
   MOBİL MENÜ BUTONU
   ============================================ */
.stbzdn-mobil-buton {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    width: 40px;
    height: 40px;
    position: relative;
}

.stbzdn-mobil-buton span {
    display: block;
    position: absolute;
    left: 50%;
    width: 24px;
    height: 1.5px;
    background: var(--stbzdn-renk-beyaz);
    transition: transform 0.35s ease, top 0.35s ease, background 0.3s ease;
    transform: translateX(-50%);
}

.stbzdn-mobil-buton span:nth-child(1) { top: 16px; }
.stbzdn-mobil-buton span:nth-child(2) { top: 22px; }

.stbzdn-mobil-buton.stbzdn-aktif span:nth-child(1) {
    top: 19px;
    transform: translateX(-50%) rotate(45deg);
}
.stbzdn-mobil-buton.stbzdn-aktif span:nth-child(2) {
    top: 19px;
    transform: translateX(-50%) rotate(-45deg);
}

.stbzdn-yapiskan .stbzdn-mobil-buton span { background: var(--stbzdn-renk-yazi); }


/* ============================================
   MOBİL MENÜ (Slide-in)
   ============================================ */
.stbzdn-mobil-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    max-width: 420px;
    height: 100vh;
    background: var(--stbzdn-renk-beyaz);
    z-index: 1100;
    padding: 28px 32px;
    transition: right 0.35s ease;
    overflow-y: auto;
}

.stbzdn-mobil-menu.stbzdn-acik { right: 0; }

.stbzdn-mobil-menu-ust {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 60px;
}

.stbzdn-mobil-menu-ust .stbzdn-logo img { height: 32px; }

.stbzdn-mobil-kapat {
    background: none;
    border: none;
    font-size: 28px;
    font-weight: 300;
    cursor: pointer;
    color: var(--stbzdn-renk-yazi);
    line-height: 1;
}

.stbzdn-mobil-liste {
    list-style: none;
    margin: 0;
    padding: 0;
}

.stbzdn-mobil-liste > li {
    border-bottom: 1px solid var(--stbzdn-renk-cizgi);
}

.stbzdn-mobil-liste > li > a,
.stbzdn-mobil-liste > li > .stbzdn-mobil-baslik {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 22px 0;
    font-size: 20px;
    font-weight: 400;
    color: var(--stbzdn-renk-yazi);
    cursor: pointer;
}

.stbzdn-mobil-alt {
    list-style: none;
    margin: 0;
    padding: 0;
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    visibility: hidden;
    transition: max-height 0.35s ease, opacity 0.25s ease, padding 0.35s ease;
}

.stbzdn-mobil-liste > li.stbzdn-mobil-acik .stbzdn-mobil-alt {
    max-height: 400px;
    opacity: 1;
    visibility: visible;
    padding: 0 0 16px 0;
}

.stbzdn-mobil-alt li a {
    display: block;
    padding: 8px 0;
    font-size: 15px;
    color: var(--stbzdn-renk-yazi);
}

.stbzdn-mobil-ok {
    font-size: 18px;
    transition: transform 0.3s ease;
}

.stbzdn-mobil-liste > li.stbzdn-mobil-acik .stbzdn-mobil-ok {
    transform: rotate(45deg);
}

/* Mobil dil bayrakları */
.stbzdn-mobil-diller {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 40px;
    padding-top: 28px;
    border-top: 1px solid var(--stbzdn-renk-cizgi);
}

.stbzdn-mobil-diller button {
    background: none;
    border: none;
    padding: 4px;
    cursor: pointer;
    border-radius: 4px;
    transition: opacity 0.2s ease, transform 0.2s ease;
    opacity: 0.6;
}

.stbzdn-mobil-diller button:hover,
.stbzdn-mobil-diller button.stbzdn-aktif-dil {
    opacity: 1;
    transform: scale(1.1);
}

.stbzdn-mobil-diller button img {
    display: block;
    width: 28px;
    height: 20px;
    object-fit: cover;
    border-radius: 3px;
}

/* Overlay */
.stbzdn-mobil-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    z-index: 1050;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.stbzdn-mobil-overlay.stbzdn-acik {
    opacity: 1;
    visibility: visible;
}


/* ============================================
   FOOTER
   ============================================ */
.stbzdn-footer {
    background: var(--stbzdn-renk-soil);
    color: var(--stbzdn-renk-beyaz);
    padding: 70px 48px 30px;
    font-size: 14px;
}

.stbzdn-footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 60px;
    max-width: 1400px;
    margin: 0 auto;
    padding-bottom: 50px;
}

.stbzdn-footer-marka {
    font-size: 18px;
    letter-spacing: 0.15em;
    margin-bottom: 24px;
}

.stbzdn-footer-adres {
    font-size: 13px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.85);
}

.stbzdn-footer-baslik {
    font-size: 13px;
    margin-bottom: 18px;
    color: rgba(255, 255, 255, 0.6);
    font-weight: 400;
}

.stbzdn-footer-liste {
    list-style: none;
    margin: 0;
    padding: 0;
}

.stbzdn-footer-liste li {
    margin-bottom: 12px;
}

.stbzdn-footer-liste a {
    color: var(--stbzdn-renk-beyaz);
    font-size: 14px;
}

.stbzdn-footer-alt {
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    padding-top: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 12px;
    color: rgba(255, 255, 255, 0.55);
    max-width: 1400px;
    margin: 0 auto;
}

.stbzdn-footer-alt-saglar a {
    margin-left: 24px;
}


/* ============================================
   GOOGLE TRANSLATE — Gizle
   ============================================ */
.goog-te-banner-frame,
.skiptranslate {
    display: none !important;
}

body {
    top: 0 !important;
}

#google_translate_element {
    display: none;
}


/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 992px) {
    .stbzdn-ust-menu { padding: 18px 24px; }
    .stbzdn-yapiskan { padding: 12px 24px; }

    .stbzdn-menu-liste,
    .stbzdn-dil-secici { display: none; }

    .stbzdn-mobil-buton { display: block; }

    .stbzdn-footer { padding: 50px 24px 24px; }
    .stbzdn-footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }
    .stbzdn-footer-alt {
        flex-direction: column;
        gap: 12px;
        text-align: center;
    }
    .stbzdn-footer-alt-saglar a { margin: 0 12px; }
}

@media (max-width: 576px) {
    .stbzdn-footer-grid { grid-template-columns: 1fr; }
}


/* ============================================
   KOYU MENÜ MODU (HERO'SUZ SAYFALAR)
   Sayfada .stbzdn-icerik-bolum veya
   .stbzdn-blog-bolum gibi krem zeminli bir wrapper
   olduğunda header otomatik siyah moda döner.
   ============================================ */

/* Logo: baştan koyu varyant aktif */
body:has(.stbzdn-icerik-bolum, .stbzdn-blog-bolum) .stbzdn-logo-beyaz {
    display: none;
}
body:has(.stbzdn-icerik-bolum, .stbzdn-blog-bolum) .stbzdn-logo-koyu {
    opacity: 1;
    position: static;
}

/* Menü linkleri siyah */
body:has(.stbzdn-icerik-bolum, .stbzdn-blog-bolum) .stbzdn-menu-liste > li > a {
    color: var(--stbzdn-renk-yazi);
}
body:has(.stbzdn-icerik-bolum, .stbzdn-blog-bolum) .stbzdn-menu-liste > li > a::after {
    background-color: var(--stbzdn-renk-yazi);
}

/* Dil seçici koyu varyant */
body:has(.stbzdn-icerik-bolum, .stbzdn-blog-bolum) .stbzdn-dil-buton {
    color: var(--stbzdn-renk-yazi);
    background: rgba(0, 0, 0, 0.04);
    border-color: rgba(0, 0, 0, 0.08);
}
body:has(.stbzdn-icerik-bolum, .stbzdn-blog-bolum) .stbzdn-dil-buton:hover {
    background: rgba(0, 0, 0, 0.08);
    border-color: rgba(0, 0, 0, 0.15);
}
body:has(.stbzdn-icerik-bolum, .stbzdn-blog-bolum) .stbzdn-dil-ok {
    background: rgba(0, 0, 0, 0.06);
    border-color: rgba(0, 0, 0, 0.12);
}
body:has(.stbzdn-icerik-bolum, .stbzdn-blog-bolum) .stbzdn-dil-liste {
    background: rgba(255, 255, 255, 0.95);
    border-color: rgba(0, 0, 0, 0.08);
    color: var(--stbzdn-renk-yazi);
}
body:has(.stbzdn-icerik-bolum, .stbzdn-blog-bolum) .stbzdn-dil-liste li button:hover {
    background: rgba(0, 0, 0, 0.05);
}

/* Mobil hamburger siyah */
body:has(.stbzdn-icerik-bolum, .stbzdn-blog-bolum) .stbzdn-mobil-buton span {
    background: var(--stbzdn-renk-yazi);
}
/* ===========================
   SAYFA HERO (Tüm İç Sayfalar)
   =========================== */
.stbzdn-sayfa-hero {
    position: relative;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    min-height: 42vh;
    display: flex;
    align-items: center;
    padding: 150px 0 60px;
    overflow: hidden;
}

.stbzdn-sayfa-hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to right, rgba(0,0,0,0.7) 0%, rgba(0,0,0,0.55) 100%);
    pointer-events: none;
}

.stbzdn-sayfa-hero .container {
    position: relative;
    z-index: 2;
}

.stbzdn-sayfa-hero-icerik {
    max-width: 720px;
    color: var(--stbzdn-renk-beyaz);
}

.stbzdn-sayfa-hero-mini {
    font-size: 15px;
    color: var(--stbzdn-renk-beyaz);
    margin-bottom: 20px;
    font-weight: 400;
}

.stbzdn-sayfa-hero-baslik {
    font-size: 96px;
    font-weight: 400;
    line-height: 1;
    letter-spacing: -0.03em;
    text-transform: uppercase;
    color: var(--stbzdn-renk-beyaz);
    margin: 0 0 28px;
}

.stbzdn-sayfa-hero-aciklama {
    font-size: 16px;
    line-height: 1.6;
    color: var(--stbzdn-renk-beyaz);
    margin: 0;
    max-width: 540px;
}

/* Sayfa bazlı arka plan görselleri */
.stbzdn-sayfa-hero-urunler {
    background-image: url('../img/header-urunler.jpg?v=212');
}
.stbzdn-sayfa-hero-hakkimizda {
    background-image: url('../img/sosyal-sorumluluk.jpg?v=2');
}
.stbzdn-sayfa-hero-iletisim {
    background-image: url('../img/iletisim-hero.jpg?v=2');
}

/* Mobil */
@media (max-width: 992px) {
    .stbzdn-sayfa-hero {
        min-height: 36vh;
        padding: 130px 0 50px;
    }

    .stbzdn-sayfa-hero-baslik {
        font-size: 64px;
    }
}

@media (max-width: 768px) {
    .stbzdn-sayfa-hero {
        min-height: 32vh;
        padding: 110px 0 40px;
    }

    .stbzdn-sayfa-hero-baslik {
        font-size: 44px;
    }
}

.stbzdn-iletisim-bolum-koyu {
    background-color: var(--stbzdn-renk-sawdust);
    padding: 100px 0;
}


/* ===========================
   GENİŞLEYEN VİDEO BÖLÜMÜ (Tüm Sayfalar)
   =========================== */
.stbzdn-genisleyen-bolum {
    background-color: var(--stbzdn-renk-sawdust);
    padding: 100px 0;
}

.stbzdn-genisleyen-baslik {
    font-size: 48px;
    font-weight: 400;
    letter-spacing: -0.02em;
    line-height: 1.1;
    color: var(--stbzdn-renk-yazi);
    margin: 0 0 50px;
}

.stbzdn-genisleyen-grid {
    display: flex;
    gap: 12px;
    height: 580px;
}

.stbzdn-genisleyen-kart {
    flex: 1;
    position: relative;
    overflow: hidden;
    border-radius: 24px;
    cursor: pointer;
    background: var(--stbzdn-renk-husk);
    min-width: 0;
    transition: flex 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.stbzdn-genisleyen-kart-aktif {
    flex: 5;
    cursor: default;
}

.stbzdn-genisleyen-video {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Karta hafif overlay (yazıların okunabilmesi için) */
.stbzdn-genisleyen-kart::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, rgba(0,0,0,0.1) 0%, rgba(0,0,0,0.5) 100%);
    pointer-events: none;
    z-index: 1;
}

.stbzdn-genisleyen-yan-baslik {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    writing-mode: vertical-rl;
    color: var(--stbzdn-renk-beyaz);
    font-size: 18px;
    font-weight: 400;
    letter-spacing: 0.01em;
    text-shadow: 0 2px 8px rgba(0,0,0,0.4);
    pointer-events: none;
    transition: opacity 0.3s ease;
    white-space: nowrap;
    z-index: 2;
}

.stbzdn-genisleyen-kart-aktif .stbzdn-genisleyen-yan-baslik {
    opacity: 0;
}

.stbzdn-genisleyen-bilgi {
    position: absolute;
    bottom: 24px;
    left: 24px;
    right: 24px;
    max-width: 460px;
    background: var(--stbzdn-renk-beyaz);
    padding: 28px;
    border-radius: 16px;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.4s 0.3s ease, transform 0.4s 0.3s ease;
    pointer-events: none;
    z-index: 3;
}

.stbzdn-genisleyen-kart-aktif .stbzdn-genisleyen-bilgi {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.stbzdn-genisleyen-bilgi-baslik {
    font-size: 22px;
    font-weight: 400;
    color: var(--stbzdn-renk-yazi);
    margin: 0 0 12px;
    line-height: 1.2;
}

.stbzdn-genisleyen-bilgi-aciklama {
    font-size: 14px;
    line-height: 1.6;
    color: var(--stbzdn-renk-yazi);
    margin: 0;
}

.stbzdn-genisleyen-nav {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    margin-top: 30px;
}

.stbzdn-genisleyen-prev,
.stbzdn-genisleyen-next {
    width: 48px;
    height: 48px;
    border: 1px solid var(--stbzdn-renk-yazi);
    border-radius: 50%;
    background: transparent;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--stbzdn-renk-yazi);
    transition: all 0.3s;
    padding: 0;
}

.stbzdn-genisleyen-prev:hover:not(:disabled),
.stbzdn-genisleyen-next:hover:not(:disabled) {
    background: var(--stbzdn-renk-husk);
    border-color: var(--stbzdn-renk-husk);
    color: var(--stbzdn-renk-beyaz);
}

.stbzdn-genisleyen-prev:disabled,
.stbzdn-genisleyen-next:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

/* Mobil → dikey accordion */
@media (max-width: 768px) {
    .stbzdn-genisleyen-bolum {
        padding: 60px 0;
    }

    .stbzdn-genisleyen-baslik {
        font-size: 28px;
        margin-bottom: 30px;
    }

    .stbzdn-genisleyen-grid {
        flex-direction: column;
        height: auto;
        gap: 8px;
    }

    .stbzdn-genisleyen-kart {
        flex: 0 0 80px;
        height: 80px;
        transition: flex 0.5s ease, height 0.5s ease;
    }

    .stbzdn-genisleyen-kart-aktif {
        flex: 0 0 420px;
        height: 420px;
    }

    .stbzdn-genisleyen-yan-baslik {
        writing-mode: horizontal-tb;
        top: 50%;
        left: 24px;
        transform: translateY(-50%);
        font-size: 16px;
    }

    .stbzdn-genisleyen-bilgi {
        bottom: 16px;
        left: 16px;
        right: 16px;
        padding: 20px;
    }

    .stbzdn-genisleyen-bilgi-baslik {
        font-size: 18px;
    }
}



/* ===========================
   İSTATİSTİK BÖLÜMÜ (Tüm Sayfalar)
   =========================== */
.stbzdn-istatistik-bolum {
    position: relative;
    width: 100%;
    min-height: 85vh;
    overflow: hidden;
    display: flex;
    align-items: center;
    padding: 100px 0;
}

/* Cross-fade BG katmanları */
.stbzdn-istatistik-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0;
    transition: opacity 0.8s ease;
    z-index: 1;
}

.stbzdn-istatistik-bg-aktif {
    opacity: 1;
}

/* Her istatistik için ayrı arka plan görseli */
.stbzdn-istatistik-bg[data-bg="1"] { background-image: url('../img/istatistik-1.jpg?v=2'); }
.stbzdn-istatistik-bg[data-bg="2"] { background-image: url('../img/istatistik-2.jpg?v=2'); }
.stbzdn-istatistik-bg[data-bg="3"] { background-image: url('../img/istatistik-3.jpg?v=2'); }
.stbzdn-istatistik-bg[data-bg="4"] { background-image: url('../img/istatistik-4.jpg?v=2'); }

.stbzdn-istatistik-overlay {
    position: absolute;
    inset: 0;
    background: rgba(10, 10, 10, 0.4);
    z-index: 2;
    pointer-events: none;
}

.stbzdn-istatistik-bolum .container {
    position: relative;
    z-index: 3;
}

.stbzdn-istatistik-icerik {
    max-width: 560px;
    margin-left: auto; /* Sağa yasla */
}

.stbzdn-istatistik-tek {
    padding: 30px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
    cursor: default;
    transition: padding-left 0.4s ease;
}

.stbzdn-istatistik-tek:first-child {
    border-top: 1px solid rgba(255, 255, 255, 0.3);
}

.stbzdn-istatistik-tek:hover {
    padding-left: 20px;
}

.stbzdn-istatistik-sayi {
    font-size: 64px;
    font-weight: 400;
    line-height: 1;
    color: var(--stbzdn-renk-beyaz);
    margin-bottom: 12px;
    letter-spacing: -0.02em;
}

.stbzdn-istatistik-aciklama {
    font-size: 13px;
    color: var(--stbzdn-renk-beyaz);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    opacity: 0.85;
}

/* Mobil */
@media (max-width: 768px) {
    .stbzdn-istatistik-bolum {
        padding: 60px 0;
        min-height: auto;
    }

    .stbzdn-istatistik-icerik {
        max-width: 100%;
        margin-left: 0;
    }

    .stbzdn-istatistik-sayi {
        font-size: 44px;
    }

    .stbzdn-istatistik-tek {
        padding: 20px 0;
    }

    .stbzdn-istatistik-tek:hover {
        padding-left: 12px;
    }
}


/* === Yer Çekimi: yukarı-aşağı süzülme animasyonu === */
.yercekimi {
    animation: stbzdn-yercekimi 4s ease-in-out infinite;
}

@keyframes stbzdn-yercekimi {
    0%, 100% { transform: translateY(0); }
    50%      { transform: translateY(-15px); }
}




.stbzdn-galeri {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin: 48px 0;
  /* 760px kolonun dışına taşıp ekranı daha çok kullanıyoruz */
  width: 100vw;
  max-width: 1200px;
  position: relative;
  left: 50%;
  transform: translateX(-50%);
  padding: 0 24px;
}

.stbzdn-galeri-oge {
  position: relative;
  display: block;
  overflow: hidden;
  border-radius: 14px;
  aspect-ratio: 4 / 3;
}

.stbzdn-galeri-oge:hover {
  opacity: 1; /* genel.css a:hover 0.7 override */
}

.stbzdn-galeri-resim {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  /* default: karanlık ve renksiz */
  filter: brightness(.5) grayscale(.35);
  transform: scale(1.02);
  transition: filter .5s ease, transform .6s ease;
}

.stbzdn-galeri-oge:hover .stbzdn-galeri-resim {
  /* hover: kendi rengi geri gelsin */
  filter: brightness(1) grayscale(0);
  transform: scale(1.06);
}

.stbzdn-galeri-buyut {
  position: absolute;
  right: 12px;
  bottom: 12px;
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(255,255,255,.9);
  color: var(--stbzdn-renk-soil);
  opacity: 0;
  transform: translateY(6px);
  transition: opacity .4s ease, transform .4s ease;
}

.stbzdn-galeri-buyut svg {
  width: 18px;
  height: 18px;
}

.stbzdn-galeri-oge:hover .stbzdn-galeri-buyut {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 991px) {
  .stbzdn-galeri {
    grid-template-columns: repeat(2, 1fr);
    max-width: 100%;
    padding: 0 16px;
  }
}

@media (max-width: 575px) {
  .stbzdn-galeri {
    grid-template-columns: 1fr;
    gap: 12px;
  }
}