:root {
    --ana-renk: #E74C3C;
    --ikincil-renk: #2C3E50;
    --arkaplan: #F5F7FA;
    --yazi-renk: #34495E;
}

body {
    font-family: 'Poppins', sans-serif;
    color: var(--yazi-renk);
    background-color: var(--arkaplan);
}

/* ================= HEADER & MENÜ ================= */
.ustAlan {
    background-color: #fff;
    border-bottom: 1px solid #f0f0f0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.kurumsalYazi .firmaAdi {
    color: var(--ikincil-renk);
    font-size: 1.4rem;
    font-weight: 700;
}

.kurumsalYazi .firmaSlogan {
    font-size: 0.9rem;
    color: #95A5A6;
}

.teklifButonu {
    background-color: var(--ana-renk);
    color: #fff;
    padding: 8px 20px;
    font-weight: 500;
    border: none;
    border-radius: 50px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 10px rgba(231, 76, 60, 0.2);
}

.teklifButonu:hover {
    background-color: var(--ikincil-renk);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(44, 62, 80, 0.2);
}

.navbar-nav .nav-link {
    color: var(--ikincil-renk) !important;
    font-weight: 500 !important;
    padding: 10px 15px !important;
    position: relative;
    transition: all 0.3s ease;
}

.navbar-nav .nav-link.active,
.navbar-nav .nav-link:hover {
    color: var(--ana-renk) !important;
}

/* Menü alt çizgi animasyonu */
.navbar-nav .nav-link::after {
    content: '';
    position: absolute;
    bottom: 5px;
    left: 15px;
    width: calc(100% - 30px);
    height: 3px;
    background-color: var(--ana-renk);
    transform: scaleX(0);
    transform-origin: bottom center;
    transition: transform 0.3s ease;
    border-radius: 2px;
}

.navbar-nav .nav-link.active::after,
.navbar-nav .nav-link:hover::after {
    transform: scaleX(1);
}

/* ================= GENEL ================= */
.container-standart {
    max-width: 1200px;
    padding: 0 15px;
    margin: 0 auto;
}

.section-title {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--ikincil-renk);
    margin-bottom: 2rem;
}

.section-title::after {
    content: '';
    display: block;
    width: 50px;
    height: 3px;
    background-color: var(--ana-renk);
    margin: 15px auto 0;
    border-radius: 10px;
}

.lead {
    color: #555;
}

/* Tüm Kartlar İçin Modern Standart (Hizmetler, Projeler, Haberler) */
.hizmet-karti, .proje-karti, .haberlerBolumu .card, .kurumsal-icerik-karti {
    border: none !important;
    border-radius: 16px !important;
    background: #ffffff !important;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05) !important;
    transition: transform 0.4s ease-in-out, box-shadow 0.4s ease-in-out !important;
    overflow: hidden;
}

.hizmet-karti:hover, .proje-karti:hover, .haberlerBolumu .card:hover {
    transform: translateY(-10px) !important;
    box-shadow: 0 20px 40px rgba(231, 76, 60, 0.1) !important;
}

/* ================= SLIDER (HERO) ================= */
.anaSlider {
    height: 80vh; 
    min-height: 500px;
}

/* Revolution Slider Tarzı Zoom Efekti */
.anaSlider .swiper-slide img {
    transition: transform 7s ease-out; /* Yavaş ve akıcı büyüme */
    transform: scale(1);
}

.anaSlider .swiper-slide-active img {
    transform: scale(1.08);
}

/* Okunaklılık için siyah flu geçiş (Aşağıdan yukarıya) ve alt orta hizalama */
.swiper-slide-overlay {
    background: linear-gradient(to top, rgba(0,0,0,0.85) 0%, rgba(0,0,0,0.4) 40%, transparent 100%) !important;
    padding-bottom: 8% !important; 
    justify-content: flex-end !important; 
}

.slider-baslik {
    text-shadow: 2px 2px 4px rgba(0,0,0,0.6);
}

.slider-aciklama {
    color: #f8f9fa;
    text-shadow: 1px 1px 3px rgba(0,0,0,0.8);
    max-width: 800px;
}

.anaSlider .swiper-button-next,
.anaSlider .swiper-button-prev {
    color: #fff;
    background: rgba(0,0,0,0.3);
    padding: 30px 20px;
    border-radius: 5px;
    transition: background 0.3s ease;
}

.anaSlider .swiper-button-next:hover,
.anaSlider .swiper-button-prev:hover {
    background: var(--ana-renk);
}

.anaSlider .swiper-pagination-bullet-active {
    background: var(--ana-renk);
}

/* ================= YENİ HİZMET ALANLARI ================= */
.hizmetler-yeni {
    background-color: #fff;
    padding: 80px 0;
}

.hizmetler-yeni .hizmet-karti {
    padding: 40px 25px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 100%;
}

.hizmetler-yeni .icon-wrapper {
    background-color: var(--ana-renk);
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto 25px auto;
    transition: background-color 0.3s ease;
}

.hizmetler-yeni .hizmet-karti:hover .icon-wrapper {
    background-color: var(--ikincil-renk);
}

.hizmetler-yeni .icon-wrapper i {
    color: #fff !important;
    font-size: 2.5rem !important;
}

.hizmetler-yeni h3 {
    font-size: 1.6rem;
    color: var(--ikincil-renk);
    margin-bottom: 15px;
    font-weight: 600;
}

.hizmetler-yeni p {
    font-size: 1rem;
    line-height: 1.7;
    color: #777;
    margin-bottom: 25px;
    flex-grow: 1;
}

.hizmetler-yeni .btn-outline-dark {
    border-color: var(--ana-renk);
    color: var(--ana-renk);
    font-weight: 500;
    padding: 8px 20px;
    border-radius: 8px;
    align-self: center;
}

.hizmetler-yeni .btn-outline-dark:hover {
    background-color: var(--ana-renk);
    color: #fff;
    border-color: var(--ana-renk);
}

/* ================= ZARİF SAYAÇ ALANI ================= */
.sayac-alani {
    background-color: #fff;
}

.sayac-ana-baslik {
    color: var(--ana-renk);
    font-weight: 700;
    font-size: 2.5rem;
}

.sayac-alt-baslik {
    color: #333;
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

.sayac-kutu {
    width: 160px !important;
    height: 160px !important;
    margin: 0 auto;
    border-radius: 50%;
    background-color: #fff !important;
    border: 2px solid #f0f0f0 !important;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    box-shadow: 0px 10px 30px rgba(0, 0, 0, 0.04) !important;
    transition: all 0.3s ease;
}

.sayac-kutu:hover {
    transform: translateY(-8px);
    box-shadow: 0px 15px 35px rgba(231, 76, 60, 0.1) !important;
    border-color: var(--ana-renk) !important;
}

.sayac-kutu .counter {
    font-size: 2.8rem;
    font-weight: 700;
    color: var(--ikincil-renk);
    line-height: 1.1;
    transition: color 0.3s ease;
}

.sayac-kutu:hover .counter,
.sayac-kutu:hover .sayac-baslik {
    color: var(--ana-renk);
}

.sayac-kutu .sayac-baslik {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--ikincil-renk);
    margin-top: 10px;
    transition: color 0.3s ease;
}

/* ================= KURUMSAL BİLGİ ================= */
.kurumsal-icerik {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 50px;
}

.kurumsal-icerik.reverse {
    flex-direction: row-reverse;
}

.kurumsal-icerik .gorsel {
    flex: 1 1 45%;
    overflow: hidden;
    border-radius: 16px;
}

.kurumsal-icerik .yazi {
    flex: 1 1 45%;
}

.kurumsal-icerik img {
    width: 100%;
    display: block;
}

.kurumsal-icerik .yazi h4 {
    color: var(--ikincil-renk);
    font-weight: 700;
    margin-bottom: 15px;
}

.kurumsal-icerik .yazi p {
    color: #555;
    line-height: 1.8;
}

.hoverZoom {
    transition: transform 0.6s ease;
}

.hoverZoom:hover {
    transform: scale(1.05);
}

/* ================= REFERANSLAR ================= */
.referanslar {
    overflow: hidden; 
}

.referansSlider {
    padding: 0 50px 40px 50px; /* Oklar için yanlardan boşluk bırakıldı */
}

.referanslar .swiper-slide {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 120px;
}

.referanslar .swiper-slide img {
    max-height: 80px;
    width: auto;
    filter: grayscale(100%);
    opacity: 0.6;
    transition: all 0.3s ease;
}

.referanslar .swiper-slide:hover img {
    filter: grayscale(0%);
    opacity: 1;
    transform: scale(1.1);
}

/* Ana slider ile aynı stilde referans sağ-sol butonları */
.referansSlider .swiper-button-next,
.referansSlider .swiper-button-prev {
    color: var(--ana-renk);
    background: #fff;
    width: 45px;
    height: 45px;
    border-radius: 50%;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.referansSlider .swiper-button-next:hover,
.referansSlider .swiper-button-prev:hover {
    background: var(--ana-renk);
    color: #fff;
}

.referansSlider .swiper-button-next:after,
.referansSlider .swiper-button-prev:after {
    font-size: 18px;
    font-weight: bold;
}

.referansSlider .swiper-pagination-bullet-active {
    background: var(--ana-renk);
}

/* ================= SSS AKORDİYON ================= */
.accordion-item {
    border: none;
    border-radius: 10px;
    margin-bottom: 10px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

.accordion-button {
    background-color: #fff;
    color: var(--ikincil-renk);
    font-weight: 600;
    border-radius: 10px !important;
    padding: 1rem 1.25rem;
    transition: background-color 0.3s ease;
}

.accordion-button:not(.collapsed) {
    background-color: var(--ana-renk);
    color: #fff;
    box-shadow: none;
}

.accordion-button:focus {
    box-shadow: none;
}

.accordion-body {
    background-color: #fff;
    border-top: 1px solid #f0f0f0;
    padding: 1.5rem;
    border-bottom-left-radius: 10px;
    border-bottom-right-radius: 10px;
}

/* ================= FOOTER ================= */
footer {
    background-color: var(--ikincil-renk) !important;
    padding: 60px 0 20px 0;
}

footer a {
    color: #EFEFEF;
    transition: color 0.3s ease;
}

footer a:hover {
    color: var(--ana-renk);
}

/* ================= RESPONSIVE ================= */
@media (max-width: 991.98px) {
    .kurumsalYazi {
        display: none;
    }
    .anaSlider {
        height: 60vh;
        min-height: 400px;
    }
}

@media (max-width: 767.98px) {
    .anaSlider {
        height: 50vh;
        min-height: 350px;
    }
    .slider-baslik {
        font-size: 1.8rem !important;
    }
    .slider-aciklama {
        font-size: 0.95rem;
    }
    .kurumsal-icerik {
        flex-direction: column !important;
        gap: 30px;
    }
    .kurumsal-icerik .gorsel, .kurumsal-icerik .yazi {
        flex: 1 1 100%;
    }
    .kurumsal-icerik .yazi {
        text-align: center;
    }
    .sayac-ana-baslik {
        font-size: 1.8rem;
    }
    .sayac-kutu {
        width: 130px !important;
        height: 130px !important;
    }
    .sayac-kutu .counter {
        font-size: 2rem;
    }
    .sayac-kutu .sayac-baslik {
        font-size: 0.8rem;
    }
    .referansSlider {
        padding: 0 30px 40px 30px;
    }
    .referansSlider .swiper-button-next,
    .referansSlider .swiper-button-prev {
        width: 35px;
        height: 35px;
    }
    .referansSlider .swiper-button-next:after,
    .referansSlider .swiper-button-prev:after {
        font-size: 14px;
    }
}

/* ================= HİZMET DETAY AKORDİYON ================= */
/* Genişleyen alanın kartın alt köşeleriyle uyumlu olması için */
.hizmet-karti .card-footer {
    border-top: 1px solid #eaeaea !important;
    border-bottom-left-radius: 16px !important;
    border-bottom-right-radius: 16px !important;
}

/* Buton içindeki okun dönüş animasyonu */
.ok-ikonu {
    transition: transform 0.3s ease;
}

/* Buton "aria-expanded=true" olduğunda (yani açıkken) oku ters çevir */
.btn[aria-expanded="true"] .ok-ikonu {
    transform: rotate(180deg);
}

/* Detay alanı açıkken kartın hover sıçramasını hafifletmek için (opsiyonel) */
.hizmet-karti:has(.collapse.show) {
    transform: none !important;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.08) !important;
}