/* ==========================================================================
   CONTIONE GROUP - KURUMSAL WEB SİTESİ TASARIM SİSTEMİ
   Modern, Premium, Kurumsal ve Güven Veren Tasarım (Tamamen Türkçe)
   ========================================================================== */

:root {
    --renk-birincil: #A21CAF;
    --renk-birincil-koyu: #701A75;
    --renk-vurgu: #EA580C;
    --renk-vurgu-acik: #FFF7ED;
    --renk-koyu: #0F172A;
    --renk-koyu-ikincil: #1E293B;
    --renk-metin: #334155;
    --renk-metin-soluk: #64748B;
    --renk-zemin: #F8FAFC;
    --renk-beyaz: #FFFFFF;
    --renk-kenarlik: #E2E8F0;
    --renk-basari: #15803D;
    --renk-basari-zemin: #DCFCE7;
    --golge-kucuk: 0 1px 3px rgba(15, 23, 42, 0.06), 0 1px 2px rgba(15, 23, 42, 0.04);
    --golge-orta: 0 10px 25px -5px rgba(15, 23, 42, 0.07), 0 8px 10px -6px rgba(15, 23, 42, 0.04);
    --golge-buyuk: 0 20px 35px -10px rgba(15, 23, 42, 0.12);
    --yaricap-kucuk: 8px;
    --yaricap-orta: 12px;
    --yaricap-buyuk: 18px;
    --yazi-tipi: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--yazi-tipi);
    color: var(--renk-metin);
    background-color: var(--renk-zemin);
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

.kapsayici {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Üst Bilgi Çubuğu (Topbar) */
.ust-bilgi-cubugu {
    background-color: var(--renk-koyu);
    color: #CBD5E1;
    font-size: 0.825rem;
    padding: 9px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.ust-bilgi-icerik {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}

.ust-bilgi-sol, .ust-bilgi-sag {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
}

.ust-bilgi-cubugu a:hover {
    color: #FFFFFF;
}

.ust-bilgi-etiket {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

/* Ana Üst Menü (Header) */
.kurumsal-ust-menu {
    background-color: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--renk-kenarlik);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.ust-menu-satir {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 82px;
    gap: 24px;
}

.kurumsal-logo-kutu {
    display: flex;
    align-items: center;
    gap: 14px;
}

.kurumsal-logo-kutu img {
    height: 52px;
    width: auto;
    object-fit: contain;
}

.kurumsal-logo-metin {
    display: flex;
    flex-direction: column;
}

.kurumsal-logo-baslik {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--renk-koyu);
    letter-spacing: -0.02em;
    line-height: 1.15;
}

.kurumsal-logo-alt {
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--renk-birincil);
}

.ana-navigasyon {
    display: flex;
    align-items: center;
    gap: 6px;
}

.nav-baglanti {
    padding: 10px 15px;
    font-size: 0.935rem;
    font-weight: 600;
    color: var(--renk-koyu-ikincil);
    border-radius: var(--yaricap-kucuk);
}

.nav-baglanti:hover {
    color: var(--renk-birincil);
    background-color: #FDF4FF;
}

.nav-baglanti.aktif {
    color: var(--renk-birincil);
    background-color: #FAE8FF;
}

.ust-menu-sag {
    display: flex;
    align-items: center;
    gap: 12px;
}

.mobil-menu-buton {
    display: none;
    background: none;
    border: 1px solid var(--renk-kenarlik);
    padding: 8px 12px;
    border-radius: var(--yaricap-kucuk);
    font-size: 1.1rem;
    color: var(--renk-koyu);
    cursor: pointer;
}

/* Butonlar */
.buton {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 11px 22px;
    font-size: 0.925rem;
    font-weight: 600;
    border-radius: var(--yaricap-kucuk);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all 0.2s ease;
    line-height: 1.3;
}

.buton-birincil {
    background: linear-gradient(135deg, var(--renk-birincil) 0%, var(--renk-vurgu) 100%);
    color: var(--renk-beyaz);
    box-shadow: 0 4px 12px rgba(162, 28, 175, 0.22);
}

.buton-birincil:hover {
    filter: brightness(1.06);
    box-shadow: 0 6px 16px rgba(162, 28, 175, 0.3);
}

.buton-koyu {
    background-color: var(--renk-koyu);
    color: var(--renk-beyaz);
}

.buton-koyu:hover {
    background-color: var(--renk-koyu-ikincil);
}

.buton-cerceve {
    background-color: var(--renk-beyaz);
    color: var(--renk-koyu);
    border-color: var(--renk-kenarlik);
}

.buton-cerceve:hover {
    border-color: var(--renk-birincil);
    color: var(--renk-birincil);
}

/* Hero (Karşılama) Alanı */
.hero-bolumu {
    background: radial-gradient(circle at 85% 20%, rgba(162, 28, 175, 0.16), transparent 45%),
                radial-gradient(circle at 15% 80%, rgba(234, 88, 12, 0.14), transparent 45%),
                linear-gradient(180deg, #0F172A 0%, #1E293B 100%);
    color: var(--renk-beyaz);
    padding: 76px 0 84px;
    position: relative;
    overflow: hidden;
}

.hero-izgara {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 48px;
    align-items: center;
}

.hero-ust-rozet {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: #FDBA74;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    margin-bottom: 20px;
}

.hero-baslik {
    font-size: clamp(2rem, 3.4vw, 3.1rem);
    font-weight: 800;
    line-height: 1.18;
    letter-spacing: -0.025em;
    margin-bottom: 20px;
    color: #FFFFFF;
}

.hero-aciklama {
    font-size: 1.08rem;
    color: #CBD5E1;
    margin-bottom: 30px;
    max-width: 640px;
}

.hero-eylemler {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-bottom: 36px;
}

.hero-hizli-arama {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: var(--yaricap-orta);
    padding: 16px;
    max-width: 640px;
}

.hero-hizli-arama-etiket {
    font-size: 0.8rem;
    color: #94A3B8;
    margin-bottom: 8px;
    font-weight: 600;
}

.hero-arama-formu {
    display: flex;
    gap: 10px;
}

.hero-arama-girdi {
    flex: 1;
    padding: 12px 16px;
    border-radius: var(--yaricap-kucuk);
    border: 1px solid rgba(255, 255, 255, 0.2);
    background: rgba(15, 23, 42, 0.75);
    color: #FFFFFF;
    font-size: 0.95rem;
}

.hero-arama-girdi::placeholder {
    color: #94A3B8;
}

.hero-sag-kart {
    background: rgba(30, 41, 59, 0.78);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--yaricap-buyuk);
    padding: 28px;
    box-shadow: var(--golge-buyuk);
}

.hero-istatistik-izgara {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-top: 18px;
}

.hero-istatistik-kutu {
    background: rgba(15, 23, 42, 0.65);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--yaricap-orta);
    padding: 18px;
}

.hero-istatistik-deger {
    font-size: 1.75rem;
    font-weight: 800;
    color: #FFFFFF;
    line-height: 1.2;
}

.hero-istatistik-etiket {
    font-size: 0.82rem;
    color: #94A3B8;
    margin-top: 4px;
}

/* Bölüm Başlıkları */
.bolum {
    padding: 72px 0;
}

.bolum-beyaz {
    background-color: var(--renk-beyaz);
}

.bolum-baslik-grubu {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 40px;
    gap: 20px;
    flex-wrap: wrap;
}

.bolum-ust-etiket {
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--renk-birincil);
    margin-bottom: 6px;
}

.bolum-baslik {
    font-size: 1.85rem;
    font-weight: 800;
    color: var(--renk-koyu);
    letter-spacing: -0.02em;
}

.bolum-aciklama {
    color: var(--renk-metin-soluk);
    max-width: 650px;
    margin-top: 6px;
}

/* Kategori ve Hizmet Kartları */
.kart-izgara-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.kart-izgara-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.kurumsal-kart {
    background: var(--renk-beyaz);
    border: 1px solid var(--renk-kenarlik);
    border-radius: var(--yaricap-orta);
    padding: 26px;
    box-shadow: var(--golge-kucuk);
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.kurumsal-kart:hover {
    transform: translateY(-3px);
    box-shadow: var(--golge-orta);
    border-color: #CBD5E1;
}

.kart-ikon-kutu {
    width: 48px;
    height: 48px;
    border-radius: 10px;
    background: linear-gradient(135deg, rgba(162, 28, 175, 0.12), rgba(234, 88, 12, 0.12));
    color: var(--renk-birincil);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    margin-bottom: 18px;
}

.kurumsal-kart h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--renk-koyu);
    margin-bottom: 10px;
}

.kurumsal-kart p {
    font-size: 0.92rem;
    color: var(--renk-metin-soluk);
    margin-bottom: 16px;
}

/* Ürün Sergileme Kartları */
.urun-izgara {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}

.urun-karti {
    background: var(--renk-beyaz);
    border: 1px solid var(--renk-kenarlik);
    border-radius: var(--yaricap-orta);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.urun-karti:hover {
    border-color: var(--renk-birincil);
    box-shadow: var(--golge-orta);
}

.urun-karti-gorsel {
    height: 175px;
    background: linear-gradient(135deg, #F8FAFC 0%, #F1F5F9 100%);
    border-bottom: 1px solid var(--renk-kenarlik);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 16px;
    position: relative;
}

.urun-kod-rozet {
    position: absolute;
    top: 12px;
    left: 12px;
    background: var(--renk-koyu);
    color: #FFFFFF;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 6px;
    letter-spacing: 0.03em;
}

.urun-marka-rozet {
    position: absolute;
    top: 12px;
    right: 12px;
    background: #FAE8FF;
    color: var(--renk-birincil-koyu);
    font-size: 0.72rem;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 6px;
}

.urun-karti-govde {
    padding: 20px;
    flex: 1;
}

.urun-karti-kategori {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--renk-vurgu);
    margin-bottom: 6px;
}

.urun-karti-baslik {
    font-size: 1.02rem;
    font-weight: 700;
    color: var(--renk-koyu);
    margin-bottom: 12px;
    line-height: 1.4;
}

.urun-teknik-liste {
    list-style: none;
    font-size: 0.83rem;
    color: var(--renk-metin);
    border-top: 1px solid #F1F5F9;
    padding-top: 10px;
}

.urun-teknik-liste li {
    display: flex;
    justify-content: space-between;
    padding: 4px 0;
    border-bottom: 1px dashed #F1F5F9;
}

.urun-teknik-liste li span:first-child {
    color: var(--renk-metin-soluk);
}

.urun-teknik-liste li span:last-child {
    font-weight: 600;
    color: var(--renk-koyu);
    text-align: right;
}

.urun-karti-alt {
    padding: 14px 20px;
    background: #F8FAFC;
    border-top: 1px solid var(--renk-kenarlik);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
}

/* Sayfa Alt Başlık Alanı (Subheader) */
.sayfa-baslik-alani {
    background: linear-gradient(135deg, #0F172A 0%, #1E293B 100%);
    color: var(--renk-beyaz);
    padding: 48px 0;
    border-bottom: 1px solid var(--renk-kenarlik);
}

.sayfa-baslik-alani h1 {
    font-size: 2.1rem;
    font-weight: 800;
    margin-bottom: 8px;
}

.sayfa-baslik-alani p {
    color: #CBD5E1;
    max-width: 720px;
}

/* Filtre Çubuğu ve Sayfalama */
.filtre-kutusu {
    background: var(--renk-beyaz);
    border: 1px solid var(--renk-kenarlik);
    border-radius: var(--yaricap-orta);
    padding: 22px;
    margin-bottom: 28px;
    box-shadow: var(--golge-kucuk);
}

.filtre-izgara {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr auto;
    gap: 14px;
    align-items: end;
}

.form-grup label {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--renk-koyu-ikincil);
    margin-bottom: 6px;
}

.form-girdi, .form-secim, .form-alan {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--renk-kenarlik);
    border-radius: var(--yaricap-kucuk);
    font-family: inherit;
    font-size: 0.92rem;
    color: var(--renk-koyu);
    background-color: var(--renk-beyaz);
}

.form-girdi:focus, .form-secim:focus, .form-alan:focus {
    outline: none;
    border-color: var(--renk-birincil);
    box-shadow: 0 0 0 3px rgba(162, 28, 175, 0.12);
}

.sayfalama {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 6px;
    margin-top: 36px;
    flex-wrap: wrap;
}

.sayfa-baglanti {
    min-width: 38px;
    height: 38px;
    padding: 0 12px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--yaricap-kucuk);
    border: 1px solid var(--renk-kenarlik);
    background: var(--renk-beyaz);
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--renk-koyu);
}

.sayfa-baglanti:hover {
    border-color: var(--renk-birincil);
    color: var(--renk-birincil);
}

.sayfa-baglanti.aktif {
    background: var(--renk-birincil);
    color: var(--renk-beyaz);
    border-color: var(--renk-birincil);
}

/* Alt Bilgi (Footer) */
.kurumsal-alt-bilgi {
    background-color: var(--renk-koyu);
    color: #CBD5E1;
    padding: 64px 0 28px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.alt-bilgi-izgara {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    gap: 36px;
    padding-bottom: 44px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.alt-bilgi-baslik {
    color: #FFFFFF;
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.alt-bilgi-liste {
    list-style: none;
}

.alt-bilgi-liste li {
    margin-bottom: 10px;
    font-size: 0.9rem;
}

.alt-bilgi-liste a:hover {
    color: #FFFFFF;
}

.alt-bilgi-telif {
    padding-top: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    color: #94A3B8;
    flex-wrap: wrap;
    gap: 12px;
}

/* Mobil Uyum (Responsive) */
@media (max-width: 1024px) {
    .hero-izgara {
        grid-template-columns: 1fr;
    }
    .kart-izgara-4 {
        grid-template-columns: repeat(2, 1fr);
    }
    .urun-izgara, .kart-izgara-3 {
        grid-template-columns: repeat(2, 1fr);
    }
    .filtre-izgara {
        grid-template-columns: 1fr 1fr;
    }
    .alt-bilgi-izgara {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .mobil-menu-buton {
        display: inline-flex;
    }
    .ana-navigasyon {
        display: none;
        position: absolute;
        top: 82px;
        left: 0;
        right: 0;
        background: var(--renk-beyaz);
        flex-direction: column;
        padding: 16px 24px;
        border-bottom: 1px solid var(--renk-kenarlik);
        box-shadow: var(--golge-orta);
    }
    .ana-navigasyon.acik {
        display: flex;
    }
    .nav-baglanti {
        width: 100%;
    }
    .kart-izgara-4, .kart-izgara-3, .urun-izgara, .filtre-izgara, .alt-bilgi-izgara {
        grid-template-columns: 1fr;
    }
    .hero-arama-formu {
        flex-direction: column;
    }
}