/* =====================================================================
   KURUMSAL B2B - ANA STIL DOSYASI
   Renkler :root degiskenleri ile tanimli - tek yerden degistirilebilir.
   ===================================================================== */

:root {
    /* --- Marka renkleri --- */
    --renk-ana:        #0B2A4A;  /* koyu lacivert */
    --renk-ana-koyu:   #071d34;
    --renk-ana-acik:   #14406e;
    --renk-vurgu:      #F26522;  /* turuncu vurgu */
    --renk-vurgu-koyu: #d4520f;

    --renk-metin:      #1f2a37;
    --renk-metin-soft: #56616e;
    --renk-cizgi:      #e3e8ee;
    --renk-zemin:      #ffffff;
    --renk-zemin-alt:  #f5f7fa;
    --renk-zemin-koyu: #0e2138;

    --golge-sm: 0 1px 3px rgba(11,42,74,.08);
    --golge-md: 0 6px 20px rgba(11,42,74,.10);
    --golge-lg: 0 14px 40px rgba(11,42,74,.14);

    --yaricap: 10px;
    --yaricap-sm: 6px;
    --gecis: .2s ease;

    --kap-genislik: 1200px;
    --font: 'Segoe UI', system-ui, -apple-system, Roboto, Arial, sans-serif;
}

/* --- Reset / temel --- */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
    margin: 0;
    font-family: var(--font);
    color: var(--renk-metin);
    background: var(--renk-zemin);
    line-height: 1.6;
    font-size: 16px;
    overflow-x: hidden;              /* yatay kaymayi engelle (mobil) */
    -webkit-tap-highlight-color: transparent;
}
/* Mobil menu acikken arka plan kaydirmayi kilitle */
body.menu-acik { overflow: hidden; }
/* Dokunmatik cihazlarda daha rahat kaydirma */
img, video { max-width: 100%; height: auto; }
img { max-width: 100%; display: block; }
a { color: var(--renk-ana); text-decoration: none; transition: color var(--gecis); }
a:hover { color: var(--renk-vurgu); }
h1,h2,h3,h4 { color: var(--renk-ana); line-height: 1.25; margin: 0 0 .5em; font-weight: 700; }
p { margin: 0 0 1em; }
ul { margin: 0; padding: 0; }

.kap { max-width: var(--kap-genislik); margin: 0 auto; padding: 0 20px; }

/* --- Butonlar --- */
.btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 12px 26px; border-radius: var(--yaricap-sm);
    font-weight: 600; font-size: 15px; cursor: pointer;
    border: 2px solid transparent; transition: all var(--gecis);
    text-align: center;
}
.btn-vurgu   { background: var(--renk-vurgu); color: #fff; }
.btn-vurgu:hover { background: var(--renk-vurgu-koyu); color: #fff; transform: translateY(-2px); }
.btn-ana     { background: var(--renk-ana); color: #fff; }
.btn-ana:hover { background: var(--renk-ana-koyu); color: #fff; transform: translateY(-2px); }
.btn-cerceve { background: transparent; color: var(--renk-ana); border-color: var(--renk-cizgi); }
.btn-cerceve:hover { border-color: var(--renk-ana); color: var(--renk-ana); }
.btn-beyaz   { background: #fff; color: var(--renk-ana); }
.btn-beyaz:hover { background: var(--renk-zemin-alt); }
.btn-blok { display: flex; width: 100%; justify-content: center; }

/* --- Bolum basliklari --- */
.bolum { padding: 70px 0; }
.bolum-alt { background: var(--renk-zemin-alt); }
.bolum-baslik { text-align: center; max-width: 720px; margin: 0 auto 46px; }
.bolum-baslik span { color: var(--renk-vurgu); font-weight: 700; text-transform: uppercase; letter-spacing: 1px; font-size: 13px; }
.bolum-baslik h2 { font-size: 34px; margin: 8px 0 12px; }
.bolum-baslik p { color: var(--renk-metin-soft); margin: 0; }

/* =====================================================================
   HEADER
   ===================================================================== */
.ust-bar { background: var(--renk-ana-koyu); color: #cdd9e6; font-size: 13.5px; }
.ust-bar .kap { display: flex; justify-content: space-between; align-items: center; height: 40px; }
.ust-bar a { color: #cdd9e6; }
.ust-bar a:hover { color: #fff; }
.ust-bar-sol { display: flex; gap: 22px; }
.ust-bar-sag { display: flex; gap: 16px; align-items: center; }
.ust-bar-sag .sosyal a { font-size: 15px; }

.header { position: sticky; top: 0; z-index: 100; background: #fff; box-shadow: var(--golge-sm); }
.header .kap { display: flex; align-items: center; justify-content: space-between; height: 76px; }
.logo { font-size: 22px; font-weight: 800; color: var(--renk-ana); letter-spacing: .5px; display: flex; align-items: center; gap: 10px; }
.logo img { height: 46px; width: auto; }
.logo .vurgu-nokta { color: var(--renk-vurgu); }

/* Ana menu */
.ana-menu { display: flex; align-items: center; gap: 4px; }
.ana-menu > li { position: relative; list-style: none; }
.ana-menu > li > a {
    display: flex; align-items: center; gap: 6px; padding: 12px 16px;
    font-weight: 600; color: var(--renk-metin); font-size: 15px; border-radius: var(--yaricap-sm);
}
.ana-menu > li > a:hover, .ana-menu > li.active > a { color: var(--renk-vurgu); }
.ana-menu .ok { font-size: 10px; opacity: .6; }

/* Alt menu (dropdown) */
.alt-menu {
    position: absolute; top: 100%; left: 0; min-width: 230px;
    background: #fff; box-shadow: var(--golge-md); border-radius: var(--yaricap);
    padding: 8px; opacity: 0; visibility: hidden; transform: translateY(10px);
    transition: all var(--gecis); border-top: 3px solid var(--renk-vurgu);
}
.ana-menu > li:hover .alt-menu { opacity: 1; visibility: visible; transform: translateY(0); }
.alt-menu li { list-style: none; }
.alt-menu a { display: block; padding: 10px 14px; border-radius: var(--yaricap-sm); font-size: 14.5px; color: var(--renk-metin); }
.alt-menu a:hover { background: var(--renk-zemin-alt); color: var(--renk-vurgu); }

/* --- MEGA MENU (Hizmetlerimiz) --- */
.ana-menu { position: relative; }              /* mega menu referans noktasi */
.ana-menu > li.mega-li { position: static; }   /* mega panel menu genisligine yaslansin */
.mega-menu {
    position: absolute; top: 100%; left: 50%;
    width: min(960px, calc(100vw - 40px));
    background: #fff; border-radius: 0 0 14px 14px;
    border-top: 3px solid var(--renk-vurgu);
    box-shadow: var(--golge-lg);
    opacity: 0; visibility: hidden; transform: translateX(-50%) translateY(8px);
    transition: opacity .22s ease, transform .22s ease;
    z-index: 200; overflow: hidden;
}
.ana-menu > li.mega-li:hover .mega-menu {
    opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0);
}
.mega-ic {
    display: grid; grid-template-columns: repeat(4, 1fr);
    gap: 6px 20px; padding: 26px 30px 22px;
}
.mega-sutun { min-width: 0; }
.mega-baslik {
    display: block; font-weight: 700; color: var(--renk-ana); font-size: 14.5px;
    padding: 8px 10px; border-radius: 7px; margin-bottom: 2px; line-height: 1.3;
    border-left: 2px solid transparent;
}
.mega-baslik:hover { background: var(--renk-zemin-alt); color: var(--renk-vurgu); border-left-color: var(--renk-vurgu); }
.mega-sutun ul { list-style: none; margin: 0 0 10px; }
.mega-sutun ul li a {
    display: block; padding: 6px 10px; font-size: 13.5px; color: var(--renk-metin-soft);
    border-radius: 7px; line-height: 1.35;
}
.mega-sutun ul li a:hover { color: var(--renk-vurgu); background: var(--renk-zemin-alt); }
.mega-alt {
    display: flex; align-items: center; justify-content: space-between;
    padding: 14px 30px; background: var(--renk-zemin-alt); border-top: 1px solid var(--renk-cizgi);
}
.mega-alt span { color: var(--renk-metin-soft); font-size: 13.5px; }
.mega-tum { font-weight: 700; color: var(--renk-vurgu); display: inline-flex; align-items: center; gap: 6px; }
.mega-tum:hover { gap: 10px; }

/* =====================================================================
   ANASAYFA: SEFFAF HEADER (menu slider uzerine biner)
   ===================================================================== */
body.anasayfa-hero .ust-bar { display: none; }              /* ust bar gizli */
body.anasayfa-hero .header {
    position: absolute; top: 0; left: 0; right: 0; z-index: 100;
    background: transparent; box-shadow: none;
    transition: background .3s ease, box-shadow .3s ease;
}
/* beyaz metin (koyu gorsel uzerinde) */
body.anasayfa-hero .logo { color: #fff; }
body.anasayfa-hero .ana-menu > li > a { color: #fff; }
body.anasayfa-hero .ana-menu > li > a:hover,
body.anasayfa-hero .ana-menu > li.active > a { color: var(--renk-vurgu); }
body.anasayfa-hero .ikon-btn { color: #fff; }
body.anasayfa-hero .hamburger span { background: #fff; }
/* ana menu alt cizgi zaten turuncu; seffafta da gorunur */

/* tam ekrana yakin immersive hero */
body.anasayfa-hero .hero-slayt { min-height: 90vh; }

/* KAYDIRINCA: header sabit + beyaz + koyu metin */
body.anasayfa-hero .header.kaydi {
    position: fixed; background: #fff; box-shadow: var(--golge-md);
}
body.anasayfa-hero .header.kaydi .logo { color: var(--renk-ana); }
body.anasayfa-hero .header.kaydi .ana-menu > li > a { color: var(--renk-metin); }
body.anasayfa-hero .header.kaydi .ana-menu > li > a:hover,
body.anasayfa-hero .header.kaydi .ana-menu > li.active > a { color: var(--renk-vurgu); }
body.anasayfa-hero .header.kaydi .ikon-btn { color: var(--renk-ana); }
body.anasayfa-hero .header.kaydi .hamburger span { background: var(--renk-ana); }

/* Mobilde: header sabit; acilan menu paneli beyaz oldugu icin linkler koyu */
@media (max-width: 768px) {
    body.anasayfa-hero .header { position: fixed; }
    body.anasayfa-hero .ana-menu > li > a { color: var(--renk-metin); }
    body.anasayfa-hero .ana-menu > li > a:hover { color: var(--renk-vurgu); }
    body.anasayfa-hero .mega-baslik { color: var(--renk-ana); }
}

.header-aksiyon { display: flex; align-items: center; gap: 14px; }
.ikon-btn { position: relative; color: var(--renk-ana); font-size: 20px; display: flex; }
.ikon-btn .rozet {
    position: absolute; top: -8px; right: -8px; background: var(--renk-vurgu); color: #fff;
    font-size: 11px; min-width: 17px; height: 17px; border-radius: 9px; display: flex;
    align-items: center; justify-content: center; padding: 0 4px; font-weight: 700;
}
.dil-sec { font-size: 14px; font-weight: 600; color: var(--renk-metin-soft); }

/* Hamburger */
.hamburger { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 6px; }
.hamburger span { width: 26px; height: 2px; background: var(--renk-ana); transition: var(--gecis); }

/* =====================================================================
   HERO SLIDER
   ===================================================================== */
.hero { position: relative; overflow: hidden; background: var(--renk-ana); }
.hero-slider { position: relative; }
.hero-slayt {
    display: none; min-height: 560px; position: relative;
    background-size: cover; background-position: center;
    align-items: center;
}
.hero-slayt.aktif { display: flex; animation: fade .8s ease; }
@keyframes fade { from { opacity: .4; } to { opacity: 1; } }
.hero-slayt::before {
    content: ''; position: absolute; inset: 0;
    background: linear-gradient(90deg, rgba(7,29,52,.92) 0%, rgba(7,29,52,.72) 45%, rgba(7,29,52,.35) 100%);
}
/* Hero metnini sol kenara yasla (genis ekranda soldaki koyu mavi alana) */
.hero .kap { max-width: 100%; margin: 0; padding-left: clamp(24px, 7vw, 150px); padding-right: 40px; }
.hero-icerik { position: relative; z-index: 2; color: #fff; max-width: 620px; }
.hero-icerik span.etiket { color: var(--renk-vurgu); font-weight: 700; text-transform: uppercase; letter-spacing: 2px; font-size: 14px; }
.hero-icerik h1 { color: #fff; font-size: 44px; margin: 14px 0 18px; line-height: 1.15; }
.hero-icerik p { font-size: 18px; color: #d7e2ee; margin-bottom: 28px; }
.hero-btnlar { display: flex; gap: 14px; flex-wrap: wrap; }

.hero-ok {
    position: absolute; top: 50%; transform: translateY(-50%); z-index: 5;
    width: 48px; height: 48px; border-radius: 50%; background: rgba(255,255,255,.15);
    color: #fff; border: none; cursor: pointer; font-size: 20px; display: flex;
    align-items: center; justify-content: center; transition: var(--gecis);
}
.hero-ok:hover { background: var(--renk-vurgu); }
.hero-ok.sol { left: 24px; } .hero-ok.sag { right: 24px; }
.hero-nokta { position: absolute; bottom: 26px; left: 50%; transform: translateX(-50%); z-index: 5; display: flex; gap: 10px; }
.hero-nokta button { width: 12px; height: 12px; border-radius: 50%; border: 2px solid #fff; background: transparent; cursor: pointer; padding: 0; }
.hero-nokta button.aktif { background: var(--renk-vurgu); border-color: var(--renk-vurgu); }

/* =====================================================================
   KART GRID (urun / cozum / blog)
   ===================================================================== */
.grid { display: grid; gap: 26px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.kart {
    background: #fff; border: 1px solid var(--renk-cizgi); border-radius: var(--yaricap);
    overflow: hidden; transition: all var(--gecis); display: flex; flex-direction: column;
}
.kart:hover { box-shadow: var(--golge-md); transform: translateY(-4px); border-color: transparent; }
.kart-gorsel { aspect-ratio: 4/3; background: var(--renk-zemin-alt); overflow: hidden; position: relative; }
.kart-gorsel img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.kart:hover .kart-gorsel img { transform: scale(1.05); }
.kart-rozet { position: absolute; top: 12px; left: 12px; background: var(--renk-vurgu); color: #fff; font-size: 12px; font-weight: 700; padding: 4px 10px; border-radius: 4px; }
.kart-govde { padding: 20px; flex: 1; display: flex; flex-direction: column; }
.kart-govde .ust-etiket { color: var(--renk-vurgu); font-size: 12.5px; font-weight: 700; text-transform: uppercase; letter-spacing: .5px; }
.kart-govde h3 { font-size: 18px; margin: 8px 0 10px; }
.kart-govde p { color: var(--renk-metin-soft); font-size: 14.5px; margin: 0 0 16px; }
.kart-govde .kart-alt { margin-top: auto; }
.kart-link { color: var(--renk-vurgu); font-weight: 600; font-size: 14.5px; display: inline-flex; align-items: center; gap: 6px; }
.kart-link:hover { gap: 10px; }

/* Ozellik satirlari (mini) */
.mini-ozellik { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 14px; }
.mini-ozellik span { background: var(--renk-zemin-alt); color: var(--renk-metin-soft); font-size: 12px; padding: 4px 10px; border-radius: 20px; }

/* =====================================================================
   ANA SAYFA BOLUMLERI
   ===================================================================== */
/* Hakkimizda ozet + sayaclar */
.hakkinda-ozet { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: center; }
.sayaclar { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: center; }
.sayac-kutu { padding: 24px 12px; background: #fff; border-radius: var(--yaricap); box-shadow: var(--golge-sm); }
.sayac-kutu .rakam { font-size: 38px; font-weight: 800; color: var(--renk-vurgu); }
.sayac-kutu .etiket { color: var(--renk-metin-soft); font-size: 14px; font-weight: 600; }

/* Referans logolari */
.referans-serit { display: flex; flex-wrap: wrap; gap: 24px; justify-content: center; align-items: center; }
.referans-serit .ref-logo {
    background: #fff; border: 1px solid var(--renk-cizgi); border-radius: var(--yaricap);
    padding: 22px 30px; min-width: 180px; text-align: center; color: var(--renk-metin-soft);
    font-weight: 600; transition: var(--gecis);
}
.referans-serit .ref-logo:hover { box-shadow: var(--golge-sm); color: var(--renk-ana); }

/* CTA seridi */
.cta-serit { background: linear-gradient(120deg, var(--renk-ana), var(--renk-ana-acik)); color: #fff; border-radius: var(--yaricap); padding: 48px; display: flex; align-items: center; justify-content: space-between; gap: 30px; flex-wrap: wrap; }
.cta-serit h2 { color: #fff; margin: 0 0 6px; }
.cta-serit p { color: #d7e2ee; margin: 0; }

/* =====================================================================
   IC SAYFA / BREADCRUMB / SAYFA BASLIGI
   ===================================================================== */
.sayfa-hero {
    background: var(--renk-ana); color: #fff; padding: 54px 0;
    background-size: cover; background-position: center; position: relative;
}
.sayfa-hero::before { content: ''; position: absolute; inset: 0; background: rgba(7,29,52,.78); }
.sayfa-hero .kap { position: relative; z-index: 2; }
.sayfa-hero h1 { color: #fff; font-size: 36px; margin: 0 0 8px; }
.breadcrumb { display: flex; flex-wrap: wrap; gap: 8px; font-size: 14px; color: #b9c8d8; align-items: center; }
.breadcrumb a { color: #b9c8d8; }
.breadcrumb a:hover { color: #fff; }
.breadcrumb .ayrac { opacity: .5; }
.breadcrumb .son { color: var(--renk-vurgu); }

/* =====================================================================
   URUN DETAY
   ===================================================================== */
.urun-detay { display: grid; grid-template-columns: 1.4fr 1fr; gap: 46px; }
.urun-galeri .ana-gorsel { border: 1px solid var(--renk-cizgi); border-radius: var(--yaricap); overflow: hidden; aspect-ratio: 4/3; background: var(--renk-zemin-alt); }
.urun-galeri .ana-gorsel img { width: 100%; height: 100%; object-fit: cover; }
.urun-kucukler { display: flex; gap: 10px; margin-top: 12px; flex-wrap: wrap; }
.urun-kucukler img { width: 74px; height: 74px; object-fit: cover; border: 2px solid var(--renk-cizgi); border-radius: var(--yaricap-sm); cursor: pointer; }
.urun-kucukler img.aktif { border-color: var(--renk-vurgu); }
.urun-bilgi h1 { font-size: 30px; }
.urun-bilgi .kategori-etiket { color: var(--renk-vurgu); font-weight: 700; text-transform: uppercase; font-size: 13px; letter-spacing: .5px; }
.urun-hizli { list-style: none; margin: 18px 0; border-top: 1px solid var(--renk-cizgi); }
.urun-hizli li { display: flex; justify-content: space-between; padding: 11px 0; border-bottom: 1px solid var(--renk-cizgi); font-size: 14.5px; }
.urun-hizli li span:first-child { color: var(--renk-metin-soft); }
.urun-hizli li span:last-child { font-weight: 600; color: var(--renk-ana); }
.urun-aksiyon { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 20px; }

/* Sekmeler */
.sekme-baslik { display: flex; gap: 4px; border-bottom: 2px solid var(--renk-cizgi); margin-bottom: 26px; flex-wrap: wrap; }
.sekme-baslik button {
    padding: 14px 24px; background: none; border: none; cursor: pointer; font-size: 15.5px;
    font-weight: 600; color: var(--renk-metin-soft); border-bottom: 3px solid transparent;
    margin-bottom: -2px; transition: var(--gecis);
}
.sekme-baslik button.aktif { color: var(--renk-vurgu); border-color: var(--renk-vurgu); }
.sekme-icerik { display: none; }
.sekme-icerik.aktif { display: block; animation: fade .3s ease; }

/* Ozellik tablosu */
.ozellik-tablo { width: 100%; border-collapse: collapse; }
.ozellik-tablo td { padding: 13px 16px; border-bottom: 1px solid var(--renk-cizgi); font-size: 14.5px; }
.ozellik-tablo tr:nth-child(even) { background: var(--renk-zemin-alt); }
.ozellik-tablo td:first-child { color: var(--renk-metin-soft); width: 40%; }
.ozellik-tablo td:last-child { font-weight: 600; color: var(--renk-ana); }

/* Dokuman listesi */
.dokuman-liste { list-style: none; }
.dokuman-liste li a { display: flex; align-items: center; gap: 14px; padding: 16px; border: 1px solid var(--renk-cizgi); border-radius: var(--yaricap); margin-bottom: 10px; color: var(--renk-metin); font-weight: 600; }
.dokuman-liste li a:hover { border-color: var(--renk-vurgu); color: var(--renk-vurgu); }

/* =====================================================================
   AKORDEON (SSS)
   ===================================================================== */
.akordeon-item { border: 1px solid var(--renk-cizgi); border-radius: var(--yaricap); margin-bottom: 12px; overflow: hidden; }
.akordeon-bas {
    width: 100%; text-align: left; padding: 18px 22px; background: #fff; border: none; cursor: pointer;
    font-size: 16px; font-weight: 600; color: var(--renk-ana); display: flex; justify-content: space-between;
    align-items: center; gap: 14px;
}
.akordeon-bas:hover { background: var(--renk-zemin-alt); }
.akordeon-bas .isaret { color: var(--renk-vurgu); font-size: 22px; transition: var(--gecis); flex-shrink: 0; }
.akordeon-item.acik .akordeon-bas .isaret { transform: rotate(45deg); }
.akordeon-govde { max-height: 0; overflow: hidden; transition: max-height .3s ease; }
.akordeon-govde-ic { padding: 0 22px 20px; color: var(--renk-metin-soft); }
.akordeon-item.acik .akordeon-govde { max-height: 600px; }

/* Sekmeli SSS kategori */
.sss-kat { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 30px; justify-content: center; }
.sss-kat button { padding: 10px 20px; border: 1px solid var(--renk-cizgi); background: #fff; border-radius: 30px; cursor: pointer; font-weight: 600; color: var(--renk-metin-soft); }
.sss-kat button.aktif { background: var(--renk-ana); color: #fff; border-color: var(--renk-ana); }

/* =====================================================================
   FORMLAR
   ===================================================================== */
.form-grup { margin-bottom: 18px; }
.form-grup label { display: block; font-weight: 600; font-size: 14px; margin-bottom: 7px; color: var(--renk-ana); }
.form-grup label .zorunlu { color: var(--renk-vurgu); }
.form-kontrol {
    width: 100%; padding: 12px 14px; border: 1px solid var(--renk-cizgi); border-radius: var(--yaricap-sm);
    font-size: 15px; font-family: inherit; transition: var(--gecis); background: #fff;
}
.form-kontrol:focus { outline: none; border-color: var(--renk-ana); box-shadow: 0 0 0 3px rgba(11,42,74,.08); }
textarea.form-kontrol { min-height: 130px; resize: vertical; }
.form-satir { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-kvkk { display: flex; gap: 10px; align-items: flex-start; font-size: 13.5px; color: var(--renk-metin-soft); }
.form-kvkk input { margin-top: 4px; }
.honeypot { position: absolute; left: -9999px; }

/* Uyari kutulari */
.uyari { padding: 14px 18px; border-radius: var(--yaricap-sm); margin-bottom: 20px; font-size: 14.5px; }
.uyari-basari { background: #e7f6ec; color: #1a7f42; border: 1px solid #b6e2c6; }
.uyari-hata { background: #fdecea; color: #c0392b; border: 1px solid #f5c6c0; }

/* =====================================================================
   ILETISIM
   ===================================================================== */
.iletisim-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 46px; }
.ofis-grup { margin-bottom: 34px; }
.ofis-grup h3 { font-size: 20px; padding-bottom: 10px; border-bottom: 2px solid var(--renk-vurgu); display: inline-block; }
.ofis-kart { background: #fff; border: 1px solid var(--renk-cizgi); border-radius: var(--yaricap); padding: 20px; margin-bottom: 14px; }
.ofis-kart h4 { margin: 0 0 10px; }
.ofis-kart p { margin: 4px 0; font-size: 14.5px; color: var(--renk-metin-soft); }
.ofis-kart p strong { color: var(--renk-ana); }
.harita-kutu iframe { width: 100%; height: 320px; border: 0; border-radius: var(--yaricap); }

/* =====================================================================
   MODAL (Teklif Al)
   ===================================================================== */
.modal-katman {
    position: fixed; inset: 0; background: rgba(7,29,52,.6); z-index: 1000;
    display: none; align-items: center; justify-content: center; padding: 20px;
}
.modal-katman.acik { display: flex; }
.modal {
    background: #fff; border-radius: var(--yaricap); max-width: 520px; width: 100%;
    max-height: 90vh; overflow-y: auto; box-shadow: var(--golge-lg); animation: fade .3s ease;
}
.modal-bas { padding: 22px 26px; border-bottom: 1px solid var(--renk-cizgi); display: flex; justify-content: space-between; align-items: center; }
.modal-bas h3 { margin: 0; }
.modal-kapat { background: none; border: none; font-size: 26px; cursor: pointer; color: var(--renk-metin-soft); line-height: 1; }
.modal-govde { padding: 26px; }

/* =====================================================================
   SAYFALAMA
   ===================================================================== */
.sayfalama { display: flex; gap: 8px; justify-content: center; margin-top: 44px; }
.sayfalama a, .sayfalama span {
    min-width: 42px; height: 42px; display: flex; align-items: center; justify-content: center;
    border: 1px solid var(--renk-cizgi); border-radius: var(--yaricap-sm); font-weight: 600; padding: 0 12px;
}
.sayfalama a:hover { border-color: var(--renk-ana); }
.sayfalama .aktif { background: var(--renk-ana); color: #fff; border-color: var(--renk-ana); }

/* =====================================================================
   FOOTER
   ===================================================================== */
.footer { background: var(--renk-zemin-koyu); color: #a9bacb; padding: 60px 0 0; margin-top: 60px; }
.footer h4 { color: #fff; font-size: 16px; margin-bottom: 18px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 40px; padding-bottom: 44px; }
.footer a { color: #a9bacb; font-size: 14.5px; }
.footer a:hover { color: var(--renk-vurgu); }
.footer ul li { list-style: none; margin-bottom: 10px; }
.footer .footer-logo { font-size: 22px; font-weight: 800; color: #fff; margin-bottom: 16px; }
.footer .footer-logo .vurgu-nokta { color: var(--renk-vurgu); }
.footer-iletisim li { display: flex; gap: 10px; margin-bottom: 12px; font-size: 14.5px; }
.footer-iletisim .ikon { color: var(--renk-vurgu); flex-shrink: 0; }
.footer-sosyal { display: flex; gap: 12px; margin-top: 18px; }
.footer-sosyal a { width: 38px; height: 38px; border-radius: 50%; background: rgba(255,255,255,.08); display: flex; align-items: center; justify-content: center; color: #fff; }
.footer-sosyal a:hover { background: var(--renk-vurgu); }
.footer-alt { border-top: 1px solid rgba(255,255,255,.1); padding: 20px 0; font-size: 13.5px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; }

/* Footer SEO etiket bulutu (hizmet sayfalarina ic link) */
.footer-etiketler { border-top: 1px solid rgba(255,255,255,.1); padding: 22px 0 6px; }
.footer-etiketler h4 { font-size: 13px; letter-spacing: .04em; text-transform: uppercase; opacity: .7; margin: 0 0 10px; }
.footer-etiketler p { margin: 0 0 16px; line-height: 1; }
.footer-etiketler a {
    display: inline-block; font-size: 12.5px; line-height: 1.2; padding: 6px 11px; margin: 0 6px 6px 0;
    border-radius: 999px; background: rgba(255,255,255,.06); color: rgba(255,255,255,.72); transition: var(--gecis);
}
.footer-etiketler a:hover { background: var(--renk-vurgu); color: #fff; }

/* Yukari cik butonu */
.yukari-cik {
    position: fixed; right: 24px; bottom: 24px; width: 48px; height: 48px; border-radius: 50%;
    background: var(--renk-vurgu); color: #fff; border: none; cursor: pointer; font-size: 20px;
    box-shadow: var(--golge-md); opacity: 0; visibility: hidden; transition: var(--gecis); z-index: 90;
}
.yukari-cik.gorunur { opacity: 1; visibility: visible; }
.yukari-cik:hover { background: var(--renk-vurgu-koyu); }

/* Zengin icerik (rich text) */
.zengin-icerik { color: var(--renk-metin); line-height: 1.8; }
.zengin-icerik h2, .zengin-icerik h3 { margin-top: 1.4em; }
.zengin-icerik img { border-radius: var(--yaricap); margin: 1em 0; }
.zengin-icerik ul, .zengin-icerik ol { padding-left: 22px; margin-bottom: 1em; }
.zengin-icerik ul li, .zengin-icerik ol li { margin-bottom: 8px; }
.zengin-icerik a { color: var(--renk-vurgu); text-decoration: underline; }

/* Bos durum */
.bos-durum { text-align: center; padding: 60px 20px; color: var(--renk-metin-soft); }
.bos-durum .ikon { font-size: 48px; margin-bottom: 14px; opacity: .5; }

/* =====================================================================
   KARSILAMA EKRANI (welcome popup) - buyuk
   ===================================================================== */
.welcome-katman {
    position: fixed; inset: 0; z-index: 2000;
    background: rgba(7, 29, 52, .72); backdrop-filter: blur(3px);
    display: none; align-items: center; justify-content: center; padding: 24px;
}
.welcome-katman.acik { display: flex; animation: fade .35s ease; }
.welcome-kutu {
    position: relative; background: #fff; border-radius: 18px;
    width: 100%; max-width: 620px; max-height: 92vh; overflow-y: auto;
    box-shadow: 0 30px 80px rgba(0, 0, 0, .4);
    animation: welcome-gir .4s cubic-bezier(.2, .8, .2, 1);
    border-top: 6px solid var(--renk-vurgu);
}
@keyframes welcome-gir { from { opacity: 0; transform: translateY(30px) scale(.96); } to { opacity: 1; transform: none; } }

.welcome-kapat {
    position: absolute; top: 14px; right: 16px; z-index: 3;
    width: 42px; height: 42px; border-radius: 50%; border: none; cursor: pointer;
    background: var(--renk-zemin-alt); color: var(--renk-ana); font-size: 28px; line-height: 1;
    display: flex; align-items: center; justify-content: center; transition: var(--gecis);
}
.welcome-kapat:hover { background: var(--renk-vurgu); color: #fff; transform: rotate(90deg); }

.welcome-ic { padding: 44px 44px 36px; text-align: center; }
.welcome-logo { font-size: 26px; font-weight: 800; color: var(--renk-ana); margin-bottom: 18px; }
.welcome-logo span { color: var(--renk-vurgu); }
.welcome-ic h2 { font-size: 30px; margin: 0 0 12px; }
.welcome-metin { color: var(--renk-metin-soft); font-size: 16px; max-width: 460px; margin: 0 auto 28px; }

/* WhatsApp numara butonlari - buyuk */
.welcome-numaralar { display: grid; gap: 14px; margin-bottom: 26px; }
.welcome-wa {
    display: flex; align-items: center; gap: 16px; text-align: left;
    padding: 18px 22px; border-radius: 14px; background: #25D366; color: #fff;
    transition: all var(--gecis); box-shadow: 0 6px 18px rgba(37, 211, 102, .35);
}
.welcome-wa:hover { background: #1da851; color: #fff; transform: translateY(-3px); box-shadow: 0 10px 26px rgba(37, 211, 102, .45); }
.welcome-wa-ikon { flex-shrink: 0; display: flex; }
.welcome-wa-metin { display: flex; flex-direction: column; flex: 1; }
.welcome-wa-etiket { font-size: 13px; opacity: .9; font-weight: 600; text-transform: uppercase; letter-spacing: .5px; }
.welcome-wa-num { font-size: 20px; font-weight: 800; letter-spacing: .3px; }
.welcome-wa-git { font-size: 14px; font-weight: 700; opacity: .95; white-space: nowrap; }

/* Diger iletisim */
.welcome-iletisim { border-top: 1px solid var(--renk-cizgi); padding-top: 20px; margin-bottom: 22px; }
.welcome-iletisim p { display: flex; align-items: center; justify-content: center; gap: 9px; margin: 8px 0; color: var(--renk-metin-soft); font-size: 15px; }
.welcome-iletisim p svg { color: var(--renk-vurgu); flex-shrink: 0; }
.welcome-iletisim a { color: var(--renk-metin-soft); }
.welcome-iletisim a:hover { color: var(--renk-vurgu); }

.welcome-devam {
    background: none; border: none; cursor: pointer; color: var(--renk-metin-soft);
    font-size: 14.5px; font-weight: 600; text-decoration: underline; padding: 6px;
}
.welcome-devam:hover { color: var(--renk-ana); }

@media (max-width: 560px) {
    .welcome-ic { padding: 40px 22px 28px; }
    .welcome-ic h2 { font-size: 25px; }
    .welcome-wa-num { font-size: 18px; }
    .welcome-wa-git { display: none; }
    .welcome-wa { padding: 16px 18px; }
}
@media (prefers-reduced-motion: reduce) {
    .welcome-katman.acik, .welcome-kutu { animation: none; }
    .welcome-kapat:hover { transform: none; }
}

/* =====================================================================
   REFERANS DETAY
   ===================================================================== */
.ref-detay-grid { display: grid; grid-template-columns: 1fr 320px; gap: 40px; align-items: start; }
.ref-detay-logo { max-width: 200px; margin-bottom: 18px; }
.ref-detay-logo img { max-height: 80px; width: auto; }
.ref-hizmet-etiket {
    display: inline-flex; align-items: center; gap: 7px; background: #fff7f2; color: var(--renk-vurgu);
    font-weight: 700; font-size: 13.5px; padding: 7px 14px; border-radius: 30px; border: 1px solid #ffd9c2;
}
.ref-detay-yan { position: sticky; top: 96px; }
.ref-bilgi-kart { background: var(--renk-zemin-alt); border: 1px solid var(--renk-cizgi); border-radius: var(--yaricap); padding: 24px; }
.ref-bilgi-kart h3 { font-size: 18px; margin: 0 0 16px; }
.ref-bilgi-liste { list-style: none; }
.ref-bilgi-liste li { display: flex; flex-direction: column; gap: 3px; padding: 12px 0; border-bottom: 1px solid var(--renk-cizgi); }
.ref-bilgi-liste li:last-child { border-bottom: none; }
.ref-bilgi-liste li span { font-size: 12.5px; text-transform: uppercase; letter-spacing: .4px; color: var(--renk-metin-soft); }
.ref-bilgi-liste li strong { color: var(--renk-ana); font-size: 15px; }
.ref-bilgi-liste li strong a { color: var(--renk-vurgu); }

@media (max-width: 900px) {
    .ref-detay-grid { grid-template-columns: 1fr; }
    .ref-detay-yan { position: static; }
}

/* Referans foto galerisi */
.ref-galeri { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.ref-galeri-oge { position: relative; aspect-ratio: 4/3; border-radius: var(--yaricap); overflow: hidden; display: block; }
.ref-galeri-oge img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.ref-galeri-oge:hover img { transform: scale(1.07); }
.ref-galeri-zoom {
    position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
    background: rgba(11,42,74,.45); color: #fff; opacity: 0; transition: opacity .25s ease;
}
.ref-galeri-oge:hover .ref-galeri-zoom { opacity: 1; }
@media (max-width: 560px) { .ref-galeri { grid-template-columns: repeat(2, 1fr); } }

/* Lightbox (buyuk goruntu) */
.lightbox {
    position: fixed; inset: 0; z-index: 3000; background: rgba(7,29,52,.92);
    display: none; align-items: center; justify-content: center; padding: 30px;
}
.lightbox.acik { display: flex; animation: fade .3s ease; }
.lightbox img { max-width: 92%; max-height: 88vh; border-radius: 8px; box-shadow: 0 20px 60px rgba(0,0,0,.5); }
.lightbox-kapat { position: absolute; top: 20px; right: 26px; background: none; border: none; color: #fff; font-size: 40px; cursor: pointer; line-height: 1; }
.lightbox-ok { position: absolute; top: 50%; transform: translateY(-50%); background: rgba(255,255,255,.15); color: #fff; border: none; width: 52px; height: 52px; border-radius: 50%; font-size: 24px; cursor: pointer; }
.lightbox-ok:hover { background: var(--renk-vurgu); }
.lightbox-ok.sol { left: 24px; } .lightbox-ok.sag { right: 24px; }

/* =====================================================================
   ENERJI HESAPLAMA ARACI
   ===================================================================== */
.hesap-grid { display: grid; grid-template-columns: 1fr 340px; gap: 32px; align-items: start; }
.hesap-alt-baslik { font-size: 17px; color: var(--renk-ana); margin: 0 0 14px; display: flex; align-items: center; gap: 8px; }

/* Cihaz secim chip'leri */
.cihaz-secim { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 12px; }
.cihaz-chip {
    display: flex; flex-direction: column; align-items: center; gap: 4px; text-align: center;
    padding: 16px 10px; background: #fff; border: 1.5px solid var(--renk-cizgi); border-radius: var(--yaricap);
    cursor: pointer; transition: all var(--gecis); position: relative;
}
.cihaz-chip:hover { border-color: var(--renk-vurgu); transform: translateY(-2px); box-shadow: var(--golge-sm); }
.cihaz-chip.ekli { border-color: var(--renk-vurgu); background: #fff7f2; }
.cihaz-chip.ekli::after { content: '✓'; position: absolute; top: 6px; right: 9px; color: var(--renk-vurgu); font-weight: 800; }
.cihaz-ikon { font-size: 30px; line-height: 1; }
.cihaz-ad { font-weight: 600; font-size: 13.5px; color: var(--renk-metin); line-height: 1.2; }
.cihaz-watt { font-size: 12px; color: var(--renk-metin-soft); }

/* Secili cihaz listesi */
.secili-liste { display: flex; flex-direction: column; gap: 12px; }
.hesap-bos { text-align: center; padding: 40px 20px; color: var(--renk-metin-soft); border: 2px dashed var(--renk-cizgi); border-radius: var(--yaricap); }
.secili-satir {
    display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr auto; gap: 14px; align-items: center;
    background: #fff; border: 1px solid var(--renk-cizgi); border-radius: var(--yaricap); padding: 14px 16px;
}
.ss-cihaz { display: flex; align-items: center; gap: 10px; }
.ss-ikon { font-size: 26px; }
.ss-ad { font-weight: 600; font-size: 14.5px; }
.ss-watt { font-size: 12px; color: var(--renk-metin-soft); }
.ss-alan label, .ss-sonuc label { display: block; font-size: 11px; text-transform: uppercase; letter-spacing: .4px; color: var(--renk-metin-soft); margin-bottom: 5px; }
.ss-adet { display: flex; align-items: center; border: 1px solid var(--renk-cizgi); border-radius: var(--yaricap-sm); overflow: hidden; width: fit-content; }
.ss-adet button { width: 30px; height: 34px; border: none; background: var(--renk-zemin-alt); cursor: pointer; font-size: 18px; color: var(--renk-ana); }
.ss-adet button:hover { background: var(--renk-vurgu); color: #fff; }
.ss-adet input { width: 42px; height: 34px; border: none; text-align: center; font-size: 14px; font-weight: 600; -moz-appearance: textfield; }
.ss-saat { width: 72px; height: 36px; border: 1px solid var(--renk-cizgi); border-radius: var(--yaricap-sm); text-align: center; font-size: 14px; font-weight: 600; }
.ss-adet input::-webkit-outer-spin-button, .ss-adet input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.ss-kwh { font-weight: 700; color: var(--renk-ana); font-size: 14.5px; }
.ss-tl { font-size: 13px; color: var(--renk-vurgu); font-weight: 700; }
.ss-sil { width: 32px; height: 32px; border-radius: 50%; border: none; background: var(--renk-zemin-alt); color: var(--renk-metin-soft); font-size: 20px; cursor: pointer; line-height: 1; }
.ss-sil:hover { background: #fde8e7; color: #d64541; }

/* Ozet paneli (sticky) */
.hesap-sag { position: sticky; top: 96px; }
.hesap-ozet { background: linear-gradient(160deg, var(--renk-ana), var(--renk-ana-acik)); color: #fff; border-radius: var(--yaricap); padding: 26px; box-shadow: var(--golge-md); }
.hesap-ozet h3 { color: #fff; font-size: 18px; margin: 0 0 18px; }
.ozet-satir { display: flex; justify-content: space-between; align-items: baseline; padding: 9px 0; font-size: 15px; color: #d7e2ee; }
.ozet-satir strong { color: #fff; font-size: 17px; }
.ozet-ayrac { height: 1px; background: rgba(255,255,255,.18); margin: 10px 0; }
.ozet-satir.maliyet strong { color: var(--renk-vurgu-acik, #ffb488); }
.ozet-satir.maliyet.buyuk { padding-top: 4px; }
.ozet-satir.maliyet.buyuk span { font-weight: 600; color: #fff; }
.ozet-satir.maliyet.buyuk strong { font-size: 26px; color: #fff; background: var(--renk-vurgu); padding: 2px 12px; border-radius: 8px; }
.ozet-not { margin-top: 16px; font-size: 13px; color: #b9c8d8; border-top: 1px solid rgba(255,255,255,.15); padding-top: 14px; }
.ozet-not strong { color: #fff; }
.ozet-uyari { font-size: 11.5px; color: #9fb3c8; margin: 12px 0 0; line-height: 1.5; }

@media (max-width: 900px) {
    .hesap-grid { grid-template-columns: 1fr; }
    .hesap-sag { position: static; }
}
@media (max-width: 560px) {
    .secili-satir { grid-template-columns: 1fr 1fr; gap: 12px; }
    .secili-satir .ss-cihaz { grid-column: 1 / -1; }
    .ss-sil { position: absolute; }
    .secili-satir { position: relative; padding-top: 40px; }
    .ss-sil { top: 10px; right: 12px; }
    .cihaz-secim { grid-template-columns: repeat(auto-fill, minmax(110px, 1fr)); }
}

/* =====================================================================
   ANIMASYONLAR (ince, kurumsal - ambiyansi bozmaz)
   ===================================================================== */

/* Scroll'da yumusak belirme: JS .anim-once ekler, gorununce .anim-girdi */
.anim-once {
    opacity: 0;
    transform: translateY(22px);
    transition: opacity .6s ease, transform .6s ease;
    will-change: opacity, transform;
}
.anim-girdi {
    opacity: 1;
    transform: none;
}

/* Hero icerigi: slayt aktif olunca kademeli giris */
@keyframes hero-gel {
    from { opacity: 0; transform: translateY(26px); }
    to   { opacity: 1; transform: none; }
}
.hero-slayt.aktif .hero-icerik > * { animation: hero-gel .7s ease backwards; }
.hero-slayt.aktif .hero-icerik > *:nth-child(1) { animation-delay: .05s; }
.hero-slayt.aktif .hero-icerik > *:nth-child(2) { animation-delay: .18s; }
.hero-slayt.aktif .hero-icerik > *:nth-child(3) { animation-delay: .32s; }
.hero-slayt.aktif .hero-icerik > *:nth-child(4) { animation-delay: .46s; }

/* Menu linklerinde alt cizgi animasyonu */
.ana-menu > li > a { position: relative; }
.ana-menu > li > a::after {
    content: ''; position: absolute; left: 16px; right: 16px; bottom: 7px;
    height: 2px; background: var(--renk-vurgu); border-radius: 2px;
    transform: scaleX(0); transform-origin: left;
    transition: transform .25s ease;
}
.ana-menu > li:hover > a::after,
.ana-menu > li.active > a::after { transform: scaleX(1); }

/* Sticky header: kaydirinca golge belirginlesir */
.header { transition: box-shadow .25s ease; }
.header.kaydi { box-shadow: var(--golge-md); }

/* Kart linki ok kaymasi zaten var; gecisi yumusat */
.kart-link { transition: gap .2s ease, color .2s ease; }

/* Referans logolarinda hafif yukselme */
.referans-serit .ref-logo { transition: box-shadow .25s ease, color .25s ease, transform .25s ease; }
.referans-serit .ref-logo:hover { transform: translateY(-3px); }

/* Akordeon isareti donusu zaten var; govde gecisi yumusak kalsin */

/* Butonlarda basma hissi */
.btn:active { transform: translateY(0) scale(.98); }

/* Hareket azaltma tercihi: tum animasyonlari kapat */
@media (prefers-reduced-motion: reduce) {
    .anim-once { opacity: 1; transform: none; transition: none; }
    .hero-slayt.aktif .hero-icerik > * { animation: none; }
    .ana-menu > li > a::after { transition: none; }
    html { scroll-behavior: auto; }
}

/* =====================================================================
   RESPONSIVE
   ===================================================================== */
@media (max-width: 992px) {
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .grid-3 { grid-template-columns: repeat(2, 1fr); }
    .urun-detay, .iletisim-grid, .hakkinda-ozet { grid-template-columns: 1fr; gap: 30px; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px; }
    .hero-icerik h1 { font-size: 34px; }
}
@media (max-width: 768px) {
    .ust-bar { display: none; }
    .hamburger { display: flex; }
    .header .kap { height: 64px; }
    .ana-menu {
        position: fixed; top: 64px; left: 0; right: 0; bottom: 0; background: #fff;
        flex-direction: column; align-items: stretch; padding: 12px 16px 40px; gap: 0; overflow-y: auto;
        -webkit-overflow-scrolling: touch;
        transform: translateX(-100%); transition: transform var(--gecis); box-shadow: var(--golge-lg);
        z-index: 105;
    }
    .ana-menu.acik { transform: translateX(0); }
    .ana-menu > li > a { padding: 15px 10px; border-bottom: 1px solid var(--renk-cizgi); font-size: 16px; }
    .alt-menu { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; border: none; padding: 0 0 8px 16px; }
    .alt-menu a { padding: 12px 14px; }

    /* Mega menu mobilde: satir ici, tek sutun, kategori basliklari (alt kategoriler sayfasinda) */
    .mega-menu {
        position: static; opacity: 1; visibility: visible; transform: none;
        width: auto; box-shadow: none; border: none; border-radius: 0; background: transparent;
    }
    .mega-ic { display: block; padding: 0 0 0 16px; }
    .mega-sutun ul { display: none; }              /* alt kategoriler mobilde gizli */
    .mega-baslik { padding: 13px 10px; border-bottom: 1px solid var(--renk-cizgi); border-left: none; margin: 0; border-radius: 0; }
    .mega-alt { display: none; }

    /* Menu acikken arka plani karart.
       z-index header'in (100) ALTINDA olmali: menu, position:fixed header'in
       stacking context'i icinde oldugu icin katman menunun uzerine binmemeli;
       aksi halde mobilde menu linkleri katman tarafindan kapatilir (tiklanmaz). */
    .menu-katman {
        position: fixed; inset: 64px 0 0 0; background: rgba(7,29,52,.45);
        opacity: 0; visibility: hidden; transition: opacity var(--gecis); z-index: 99;
    }
    body.menu-acik .menu-katman { opacity: 1; visibility: visible; }

    /* Header aksiyonlarini sadelestir (dar ekranda sigmasi icin) */
    .logo { font-size: 19px; }
    .logo img { height: 38px; }
    .header-aksiyon { gap: 10px; }
    .header-aksiyon .btn-vurgu { padding: 9px 14px; font-size: 14px; }

    .grid-2, .grid-3, .grid-4, .sayaclar { grid-template-columns: 1fr 1fr; }
    .form-satir { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .bolum { padding: 46px 0; }
    .bolum-baslik { margin-bottom: 32px; }
    .bolum-baslik h2, .sayfa-hero h1 { font-size: 26px; }
    .hero-icerik h1 { font-size: 27px; }
    .hero-icerik p { font-size: 16px; }
    .hero-slayt { min-height: 440px; }
    .hero-ok { width: 40px; height: 40px; }
    .hero-ok.sol { left: 10px; } .hero-ok.sag { right: 10px; }
    .cta-serit { padding: 28px 22px; text-align: center; justify-content: center; }
    .sayfa-hero { padding: 38px 0; }
    /* Dokunma hedefleri en az ~44px */
    .btn { padding: 13px 22px; }
    .akordeon-bas { padding: 16px 18px; }
    /* Tablolar yatay kaydirilabilir */
    .ozellik-tablo, .sekmeler table { display: block; overflow-x: auto; }
}

@media (max-width: 480px) {
    .sayaclar, .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
    /* Cok dar ekranda "Teklif Al" butonunu gizle (menude ve hero'da zaten var) */
    .header-aksiyon .btn-vurgu { display: none; }
    .hero-btnlar { flex-direction: column; }
    .hero-btnlar .btn { width: 100%; justify-content: center; }
    .kap { padding: 0 16px; }
    .hero-icerik h1 { font-size: 24px; }
    .bolum-baslik h2 { font-size: 23px; }
    .sekme-baslik button { padding: 12px 16px; font-size: 14px; }
    .urun-aksiyon .btn { width: 100%; justify-content: center; }
}