@import url('https://fonts.googleapis.com/css2?family=Nunito+Sans:ital,opsz,wght@0,6..12,200..1000;1,6..12,200..1000&family=Outfit:wght@100..900&display=swap');

:root {
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Nunito Sans', sans-serif;
    --clr-primary:#2563EB; --clr-primary-hover:#1D4ED8;
    --clr-secondary:#06B6D4; --clr-accent:#F59E0B;
    --clr-success:#10B981; --clr-danger:#EF4444;
    --clr-bg:#F8FAFC; --clr-card:#FFFFFF; --clr-border:#E5E7EB;
    --clr-text:#0F172A; --clr-muted:#475569;
    --radius:16px; --shadow:0 10px 25px rgba(15,23,42,.08);
}

a { text-decoration: none; }

* {
    font-family: var(--font-body);
    font-weight: 400;
    font-size: 16px;
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    scroll-behavior: smooth;
    line-height: 1.6;
    outline: none;
}

body {
    background-color: var(--clr-bg);
    color: var(--clr-text);
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: #0F172A;
    margin: 0 0 10px 0;
    line-height: 1.3;
}

h1 { font-size: 2.75rem; font-weight: 700; }
h2 { font-size: 2rem; font-weight: 600; }
h3 { font-size: 1.5rem; font-weight: 500; }
h4 { font-size: 1.25rem; font-weight: 500; }

p {
    margin: 0 0 1rem;
    font-size: 1rem;
    color: #475569;
}

.button-primary {
    display: inline-block;
    background-color: var(--clr-primary);
    color: #fff;
    font-family: var(--font-heading);
    font-weight: 600;
    padding: 12px 28px;
    border-radius: 12px;
    text-decoration: none;
    transition: 0.3s ease;
}
.button-primary:hover {
    background-color: var(--clr-primary-hover);
}

.small-text {
    font-size: 0.9rem;
    color: #64748B;
}
.badge {
    background: #F59E0B;
    color: #111827;
    font-weight: 600;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 0.8rem;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

header .sup {
    padding: .7rem 7rem;
    background-color: var(--clr-muted);
    color: #f5f5f5;
    display: flex;
    flex-direction: row;
    justify-content: space-between;
}

header .sup span {
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: .5rem;
}

header .main {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 7rem;
    background-color: #fff;
    box-shadow: var(--shadow);
}

header .main .logo img {
    height: 100px;
}

header .main .search-box {
    position: relative;
    width: 300px;
}

header .main .search-box input {
    width: 100%;
    padding: 10px 15px;
    border: 1px solid var(--clr-border);
    border-radius: 30px;
    font-size: 1rem;
    outline: none;
}

header .main .search-box input:focus {
    outline: none;
    border-color: var(--clr-primary);
    box-shadow: 0 0 5px var(--clr-primary);
}

header .main .search-box button {
    position: absolute;
    right: 5px;
    top: 50%;
    transform: translateY(-50%);
    background-color: var(--clr-primary);
    border: none;
    color: #fff;
    padding: 8px 12px;
    border-radius: 20px;
    cursor: pointer;
    transition: 0.3s ease;
}

header .main .search-box button:hover {
    background-color: var(--clr-primary-hover);
    cursor: pointer;
}

header .main .search-box button i {
    font-size: 1rem;
}

header .main .whatsapp {
    background-color: #25D366;
    color: #fff;
    padding: 10px 15px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: .5rem;
    transition: 0.3s ease;
}

header .main .whatsapp a {
    color: #fff;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: .5rem;
}

header .main .whatsapp:hover {
    background-color: #1DA851;
    cursor: pointer;
}
header .main .whatsapp a i {
    font-size: 1.2rem;
}

header nav {
    padding: 0 0 .5rem 0;
    background-color: #fff;
}

header nav ul {
    list-style: none;
    display: flex;
    justify-content: center;
    padding: 0.5rem 0;
}

header nav ul li {
    margin: 0 15px;
}

header nav ul li a {
    color: var(--clr-text);
    font-weight: 600;
    padding: 8px 12px;
    border-radius: 8px;
    transition: 0.3s all ease;
}

header nav ul li a:hover {
    text-decoration: underline;
}

section.hero {
    background-color: var(--clr-secondary);
    color: #fff;
    padding: 4rem 0;
    text-align: center;
}

section.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

section.hero p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
}

section.hero .button-primary {
    background-color: #fff;
    color: var(--clr-primary);
}

section.hero .button-primary:hover {
    background-color: #E0E7FF;
}

section.products {
    padding: 4rem 0;
}

section.products h2 {
    text-align: center;
    margin-bottom: 2rem;
}

section.products .product-list {
    display: grid;
    overflow-wrap: break-word;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    padding: 0 2rem;
}

section.products .product-item {
    background-color: var(--clr-card);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 1rem;
    text-align: center;
    transition: transform 0.3s ease;
}

section.products .product-item:hover {
    transform: translateY(-5px);
}

section.products .product-item img {
    width: 100%;
    border-radius: var(--radius);
    margin-bottom: 1rem;
    height: 300px;
    object-fit: contain;
}

section.products .product-item h3 {
    margin-bottom: 0.5rem;
    font-size: 1.25rem;
}

section.products .product-item p {
    color: var(--clr-muted);
    margin-bottom: 1rem;
}

section.contact {
    background-color: var(--clr-primary);
    color: #fff;
    padding: 4rem 0;
    text-align: center;
}

section.contact h2 {
    margin-bottom: 1rem;
}

section.contact p {
    margin-bottom: 2rem;
}

section.contact .button-primary {
    background-color: #fff;
    color: var(--clr-primary);
}

section.references {
    padding: 4rem 0;
    background-color: var(--clr-bg);
}

section.references h2 {
    text-align: center;
    margin-bottom: 2rem;
}

section.references p {
    text-align: center;
    margin-bottom: 3rem;
    color: var(--clr-muted);
}

section.references .reference-logos {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    flex-wrap: wrap;
    padding: 0 2rem;
}

section.references .reference-logos img {
    max-height: 80px;
    filter: grayscale(100%);
    transition: filter 0.3s ease;
}

section.references .reference-logos img:hover {
    filter: none;
}

section.categories {
    padding: 4rem 0;
}

section.categories h2 {
    text-align: center;
    margin-bottom: 2rem;
}

section.categories .category-list {
    display: grid;
    overflow-wrap: break-word;
    grid-template-columns: 1fr 1fr 1fr 1fr;
    gap: 2rem;
    padding: 0 2rem;
}

section.categories .category-item {
    background-color: var(--clr-card);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 1rem;
    text-align: center;
    transition: transform 0.3s ease;
}

section.categories .category-item:hover {
    transform: translateY(-5px);
}

section.categories .category-item img {
    max-width: 100%;
    border-radius: var(--radius);
    margin-bottom: 1rem;
}

section.categories .category-item h3 {
    font-size: 1.25rem;
    font-weight: 600;
}

footer .footer-content {
    background-color: var(--clr-muted);
    color: #f5f5f5;
    display: grid;
    overflow-wrap: break-word;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 2rem;
    padding: 3rem 7rem;
}

footer .footer-content .footer-section {
    margin-bottom: 1.5rem;
    color: #f5f5f5;
}

footer .footer-content .footer-section h3 {
    color: #f5f5f5;
}

footer .footer-content .footer-section p {
    color: #ddd;
}

footer .footer-content .about {
    font-size: 1rem;
    line-height: 1.6;
}

footer .footer-content .links ul {
    list-style: none;
    padding: 0;
}

footer .footer-content .links ul li {
    margin: 0.5rem 0;
}

footer .footer-content .links ul li a {
    color: #ddd;
    text-decoration: none;
    transition: color 0.3s ease;
}

footer .footer-content .links ul li a:hover {
    color: var(--clr-accent);
}

footer .footer-content .contact {
    font-size: 1rem;
}

footer .footer-bottom {
    background-color: #1E293B;
    color: #94A3B8;
    padding: 1rem 0;
    text-align: center;
    font-size: 0.9rem;
}

section.banner {
    background-image: url('../img/banner.jpg');
    background-size: cover;
    background-position: center;
    padding: 6rem 2rem;
    text-align: center;
    color: #fff;
}

section.banner h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    opacity: 0.9;
}

section.about {
    max-width: 800px;
    margin: 0 auto;
    padding: 4rem 2rem;
}

section.slider {
    position: relative;
    overflow: hidden;
    width: 100%;
    height: 700px;
}

section.slider .slides {
    position: relative;
    width: 100%;
    height: 100%;
}

section.slider .slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s ease-in-out;
    z-index: 0;
}

section.slider .slide.active {
    opacity: 1;
    z-index: 1;
}

section.slider .slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

section.slider .navigation {
    position: absolute;
    top: 50%;
    width: 100%;
    display: flex;
    justify-content: space-between;
    transform: translateY(-50%);
    padding: 0 2rem;
    z-index: 10000;
}

section.slider .navigation button {
    background-color: rgba(0, 0, 0, 0.5);
    border: none;
    color: #fff;
    padding: 10px;
    border-radius: 50%;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

section.slider .navigation button:hover {
    background-color: rgba(0, 0, 0, 0.8);
}

section.slider .navigation button i {
    font-size: 1.5rem;
}

section.urunler {
    padding: 2rem;
}

section.urunler .container1 {
    display: flex;
    flex-direction: row;
    gap: 2rem;
}

section.urunler h2 {
    text-align: center;
    margin-bottom: 1rem;
}

section.urunler .categories {
    background: #fff;
}

section.urunler .categories ul {
    list-style: none;
    justify-content: center;
    padding: 1.5rem;
    width: 20rem;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

section.urunler .categories ul li a, button#categoriesbtn {
    background-color: #fff;
    border: 1px solid #ddd;
    color: black;
    padding: 10px;
    border-radius: 10px;
    transition-duration: .4s;
}

section.urunler .categories ul li a:hover, button#categoriesbtn:hover {
    color: var(--clr-accent);
}

section.urunler .product-list {
    display: grid;
    overflow-wrap: break-word;
    grid-template-columns: 1fr 1fr 1fr 1fr;
    gap: 2rem;
    padding: 0 2rem;
    height: fit-content;
}

section.urunler .product-list .product-item {
    background-color: var(--clr-card);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 1rem;
    text-align: center;
    transition: transform 0.3s ease;
}

section.urunler .product-list .product-item a {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

section.urunler .product-list .product-item img {
    width: 100%;
    border-radius: var(--radius);
    margin-bottom: 1rem;
    height: 150px;
    object-fit: contain;
}

section.urunler .product-list .product-item:hover {
    transform: translateY(-5px);
}

section.product {
    padding: 4rem 10rem;
    display: flex;
    flex-direction: row;
    gap: 4rem;
    justify-content: center;
    align-items: center;
}

section.product .product-img {
    max-width: 550px;
    height: 400px;
}

section.product .product-img img {
    width: 100%;
    border-radius: var(--radius);
    max-height: 100%;
    object-fit: contain;
}

section.product .product-details h2 {
    margin-bottom: 1rem;
}

section.product .product-details p {
    margin-bottom: 1.5rem;
}

section.product .product-details .button-primary {
    background-color: var(--clr-primary);
    color: #fff;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: .5rem;
}

section.product .product-details .button-primary:hover {
    background-color: var(--clr-primary-hover);
}

section.similar {
    padding: 4rem 0;
}

section.similar h2 {
    text-align: center;
    margin-bottom: 2rem;
}

section.similar .similar-products {
    display: grid;
    overflow-wrap: break-word;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    padding: 0 2rem;
}

section.similar .similar-products .similar-product-item {
    background-color: var(--clr-card);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 1rem;
    text-align: center;
    transition: transform 0.3s ease;
}

section.similar .similar-products .similar-product-item:hover {
    transform: translateY(-5px);
}

section.similar .similar-products .similar-product-item img {
    width: 100%;
    border-radius: var(--radius);
    margin-bottom: 1rem;
    height: 300px;
    object-fit: cover;
}

#iletisim-banner {
    background-image: url('../img/iletisim-banner.jpg');
    margin-top: 0;
}

section.back {
    padding: 2rem 0 0 2rem;
}

section.back button {
    background: none;
    border: none;
    display: flex;
    align-items: center;
    cursor: pointer;
    color: var(--clr-muted);
    gap: .5rem;
}

section.back button span {
    font-weight: 600;
}

#backbtn {
    display: none;
}

button#categoriesbtn {
    display: none;
    margin: 1rem auto;
}

@media (max-width: 768px) {
    header .sup {
        padding: 1rem;
        gap: 1rem;
        flex-direction: column;
    }

    header .main {
        flex-direction: column;
        gap: 1.5rem;
        padding: 1rem 1rem 2rem 1rem;
    }

    header nav ul {
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 1rem;
    }
    
    section.slider {
        height: 300px;
    }

    section.hero p {
        padding: 1rem;
    }

    section.categories .category-list {
        grid-template-columns: 1fr;
    }

    footer .footer-content {
        padding: 2rem;
        grid-template-columns: 1fr;
    }

    section.urunler .categories ul {
        flex-direction: column;
        gap: 10px;
    }

    section.urunler .product-list {
        padding: 0;
        gap: .5rem;
        grid-template-columns: 1fr 1fr;
    }
    
    section.urunler .product-list .product-item h3{
        font-size: 1rem;
    }

    section.urunler .product-list .product-item p {
        font-size: .9rem;
    }

    section.product {
        flex-direction: column;
        gap: 1rem;
        padding: 2rem;
    }

    section.product .product-img {
        width: 100vw;
        padding: 0 2rem 2rem 2rem;
        height: auto;
    }

    section.about {
        padding: 2rem;
    }

    iframe {
        width: 100%;
    }

    button#categoriesbtn {
        display: inline;
    } 

    section.urunler .categories {
        position: fixed;
        width: 100vw;
        left: -100vw;
        top: 0;
        right: 0;
        bottom: 0;
        overflow-y: auto;
        transition: .5s all;
    }

    section.urunler .categories.active {
        left: 0;
    }

    section.urunler .categories ul {
        gap: 2rem;
    }
    
    #backbtn {
        display: flex;
        gap: .2rem;
        align-items: center;
    }

    section.similar .similar-products {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        padding: 1rem;
    }

    section.similar .similar-products .similar-product-item img {
        height: auto;
    }

    section.similar .similar-products .similar-product-item h3 {
        font-size: 1rem;
    }
}