body {
    font-family: 'Poppins', sans-serif;
    background: #fff;
    color: #333;
}

/* HEADER */
.site-header {
    background: #fff;
    position: sticky;
    top: 0;
    z-index: 1000;
    height: 116px;
}

.site-header a {
    color: #222;
    font-weight: 500;
    text-decoration: none;
}

.menu-btn i {
    font-size: 26px;
}

/* MOBILE MENU */
.mobile-menu {
    display: none;
    background: #fff;
    padding: 15px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}
.mobile-menu a {
    display: block;
    padding: 10px 0;
}

/* BANNER SLIDER */
/* HEADER sabit 116px ise: */
.banner-section {
    height: calc(80vh - 116px);
    min-height: 350px; /* çok küçük ekranlarda patlamasın */
}

/* swiper yapısının tamamı o yüksekliği kapsasın */
.banner-section .swiper,
.banner-section .swiper-wrapper,
.banner-section .swiper-slide {
    height: 100%;
}

.banner-section img {
    width: 100%;
    height: 100%;           /* 450px yerine %100 */
    object-fit: cover;
    border-radius: 6px;
}

/* PRODUCT CARDS */
.product-card {
    display: block;
    text-align: center;
    text-decoration: none;
    color: #222;
}
.product-card img {
    border-radius: 6px;
    width: 100%;
}
.product-card:hover {
    opacity: 0.8;
}

/* CONTACT */
.contact-section {
    padding: 80px 0;
    background: #f7f7f7;
}
.contact-form {
    max-width: 500px;
}
.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 12px;
    margin-bottom: 12px;
    border-radius: 6px;
    border: 1px solid #ddd;
}
.contact-form button {
    width: 100%;
    background: #333;
    color: #fff;
    border: 0;
    padding: 12px;
    border-radius: 6px;
}

/* FOOTER */
.footer {
    background: #000;
    color: #bbb;
    padding: 50px 0;
}

/* PRODUCT DETAIL STYLES */
.productSwiper img,
.thumbSwiper img {
    width: 100%;
    border-radius: 10px;
}
.thumbSwiper .swiper-slide {
    opacity: 0.5;
    cursor: pointer;
}
.thumbSwiper .swiper-slide-thumb-active {
    opacity: 1;
}

.logo img{
    max-height: 100px;
}
/*
.banner-section-img {
    height:  calc(1vh - 116px);
}*/

/*UPGRADE*/
/* HEADER nav linkleri */
.site-header nav a {
    position: relative;
    padding-bottom: 3px;
    text-decoration: none;
    color: #222;
    font-weight: 500;
    transition: color .3s ease;
}

.site-header nav a:hover {
    color: #000;
}

/* alt çizgi animasyonu */
.site-header nav a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 0%;
    height: 2px;
    background: #000;
    transition: width .3s ease;
}

.site-header nav a:hover::after {
    width: 100%;
}

/*MOBILE MENU*/
.mobile-menu a {
    color: #222 !important;
    text-decoration: none !important;
    display: block;
    padding: 12px 0;
    border-bottom: 1px solid #eee;
    font-size: 18px;
    transition: background .2s ease, padding-left .2s ease;
}

.mobile-menu a:hover {
    background: #f8f8f8;
    padding-left: 4px;
}

/*
HAMBURGER*/
.menu-btn {
    width: 30px;
    height: 22px;
    position: relative;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

/* 3 çizgi */
.menu-btn span {
    display: block;
    width: 100%;
    height: 3px;
    background: #000;
    border-radius: 3px;
    transition: all .3s ease;
}

/* X animasyonu */
.menu-btn.active span:nth-child(1) {
    transform: translateY(9px) rotate(45deg);
}

.menu-btn.active span:nth-child(2) {
    opacity: 0;
}

.menu-btn.active span:nth-child(3) {
    transform: translateY(-9px) rotate(-45deg);
}

/* Mobile menu container */
.mobile-menu {
    display: none;
    padding: 20px;
    background: #fff;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
}

.mobile-menu {
    position: fixed;         /* DÃœZELTÄ°YORUZ */
    top: 116px;
    left: 0;
    width: 100%;
    z-index: 9999;
    display: none;
    background: #fff;
    padding: 20px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

/* ÃœRÃœN DETAY GENEL UPDATE */
.product-detail {
    padding-top: 40px;
    padding-bottom: 60px;
}

.product-detail .row {
    align-items: flex-start;
}

/* SOL TARAF — ANA SLIDER */
.productSwiper {
    width: 100%;
    max-width: 520px; /* çok büyümesin */
    height: auto;
    margin-bottom: 20px;
}

.productSwiper .swiper-slide img {
    width: 100%;
    height: 450px; /* kareye yakın görünüm */
    object-fit: cover;
    border-radius: 10px;
}

/* THUMBNAILS */
.thumbSwiper {
    max-width: 520px;
}

.thumbSwiper .swiper-slide {
    width: 120px !important;
    height: 120px !important;
    opacity: 0.5;
    cursor: pointer;
    border-radius: 10px;
    overflow: hidden;
    transition: .2s ease;
}

.thumbSwiper .swiper-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.thumbSwiper .swiper-slide-thumb-active {
    opacity: 1;
    transform: scale(1.05);
}

/* SAĞ TARAF — ÜRÜN BİLGİLERİ */
.product-title {
    font-size: 28px;
    font-weight: 600;
    margin-bottom: 15px;
}

.product-detail .description {
    font-size: 16px;
    color: #555;
    margin-bottom: 20px;
}

.product-detail h4 {
    margin-top: 25px;
    margin-bottom: 10px;
    font-weight: 600;
}

.product-detail ul {
    padding-left: 20px;
    line-height: 1.7;
}

/* MOBİL GÖRÜNÜM */
@media (max-width: 768px) {
    .productSwiper .swiper-slide img {
        height: 350px;
    }

    .thumbSwiper .swiper-slide {
        width: 90px !important;
        height: 90px !important;
    }

    .product-detail .row {
        flex-direction: column;
    }

    .col-md-6 {
        width: 100%;
    }

    .product-detail {
        text-align: left;
    }
}

/*
SWÄ°PER ÃœRÃœN DETAY*/
.thumbSwiper {
    max-width: 520px;
    overflow: hidden;
}

.card-area{
    justify-content: center;
}

/* SOCIAL ICONS */
.social-icons a {
    color: #555;
    font-size: 18px;
    margin-left: 12px;
    transition: .3s ease;
}

.social-icons a:hover {
    color: #000;
    transform: translateY(-2px);
}

.contact-alert {
    width: 100%;
    max-width: 500px;
    margin: 10px auto;
    padding: 12px 18px;
    border-radius: 6px;
    font-size: 15px;
}

.success-alert {
    background: #e6ffec;
    color: #1c7c3d;
    border: 1px solid #bdf0c9;
}

.error-alert {
    background: #ffe8e6;
    color: #b62424;
    border: 1px solid #ffb3b3;
}

/* FOOTER */
.footer {
    background: #000;
    color: #bbb;
}

.footer-left h4 {
    color: #fff;
    margin-bottom: 6px;
}

.footer-inner {
    border-bottom: 1px solid rgba(255,255,255,0.1);
    padding-bottom: 15px;
}

.footer-copy {
    font-size: 14px;
    opacity: .8;
}

/* Footer Social Icons */
.social-footer a {
    color: #bbb;
    margin-left: 15px;
    font-size: 20px;
    transition: .3s ease;
}

.social-footer a:hover {
    color: #fff;
    transform: translateY(-3px);
}

/* Mobil Görünüm */
@media(max-width: 768px){
    .footer-inner {
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }

    .social-footer a {
        margin-left: 10px;
        margin-right: 10px;
        font-size: 22px;
    }
}