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

body {
    font-family: Arial, sans-serif;
    background: #f5f5f5;
    color: #222;
}

header {
    background: #0b1f33;
    color: white;
    padding: 16px 8%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

header h1 {
    font-size: 28px;
}

nav {
    display: flex;
    gap: 25px;
}

nav a {
    color: white;
    text-decoration: none;
    font-weight: bold;
}

main {
    padding: 0;
    margin: 0;
}

main h2 {
    font-size: 48px;
    margin-bottom: 20px;
}

main p {
    font-size: 20px;
    color: #555;
}

.hero {
    min-height: calc(100vh - 80px);
    display: flex;
    align-items: center;
    padding: 80px 8%;
    background:
    linear-gradient(
        90deg,
        rgba(5, 24, 40, 0.95) 0%,
        rgba(5, 35, 58, 0.82) 45%,
        rgba(5, 35, 58, 0.45) 100%
    ),
    url("../images/hero.jpg");

background-size: cover;
background-position: center;
background-repeat: no-repeat;
    color: white;
}

.hero-content {
    max-width: 750px;
}

.hero-small {
    display: inline-block;
    color: #35b6ff;
    font-weight: bold;
    letter-spacing: 3px;
    margin-bottom: 20px;
}
min-height: 650px;
.hero h2 {
    font-size: 60px;
    line-height: 1.08;
    margin-bottom: 25px;
}

.hero p {
    max-width: 650px;
    font-size: 20px;
    line-height: 1.7;
    color: #d6e1ea;
}

.hero-buttons {
    display: flex;
    gap: 15px;
    margin-top: 35px;
}

.hero-buttons a {
    padding: 15px 25px;
    text-decoration: none;
    font-weight: bold;
    border-radius: 5px;
}

.btn-primary {
    background: #1ca8ff;
    color: white;
}

.btn-secondary {
    border: 2px solid white;
    color: white;
}

.services {
    padding: 90px 8%;
    background: #f5f7f9;
}

.section-title {
    max-width: 750px;
    margin-bottom: 50px;
}

.section-title span {
    color: #159fe6;
    font-weight: bold;
    letter-spacing: 2px;
}

.section-title h2 {
    font-size: 42px;
    margin: 12px 0 18px;
    color: #0b1f33;
}

.section-title p {
    font-size: 18px;
    line-height: 1.7;
    color: #666;
}

.service-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}

.service-card {
    background: white;
    padding: 35px;
    min-height: 230px;
    border-bottom: 4px solid #159fe6;
}

.service-card h3 {
    font-size: 24px;
    color: #0b1f33;
    margin-bottom: 18px;
}

.service-card p {
    color: #666;
    line-height: 1.7;
    margin-bottom: 25px;
}

.service-card a {
    color: #159fe6;
    text-decoration: none;
    font-weight: bold;
}

.service-card {
    padding: 0;
    overflow: hidden;
}

.service-card img {
    width: 100%;
    height: 230px;
    object-fit: cover;
    display: block;
}

.service-content {
    padding: 30px;
}

.products {
    padding: 90px 8%;
    background: white;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 22px;
}

.product-card {
    background: #f5f7f9;
    overflow: hidden;
    transition: 0.25s;
}

.product-card:hover {
    transform: translateY(-6px);
}

.product-card img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    display: block;
}

.product-card h3 {
    padding: 22px;
    font-size: 21px;
    color: #0b1f33;
}

.why-us {
    padding: 90px 8%;
    background: #0b1f33;
    color: white;
}

.why-us .section-title h2 {
    color: white;
}

.why-us .section-title p {
    color: #b9c7d3;
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}

.why-card {
    border-top: 3px solid #18a8f5;
    padding: 30px 5px;
}

.why-number {
    font-size: 15px;
    font-weight: bold;
    color: #18a8f5;
    margin-bottom: 25px;
}

.why-card h3 {
    font-size: 23px;
    margin-bottom: 15px;
}

.why-card p {
    color: #b9c7d3;
    line-height: 1.7;
}
.brands {
    padding: 80px 8%;
    background: white;
}

.brands-image {
    margin-top: 40px;
    background: #f5f7f9;
    padding: 35px;
    text-align: center;
}

.brands-image img {
    max-width: 100%;
    height: auto;
}

.contact {
    padding: 90px 8%;
    background: #f5f7f9;
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 70px;
}

.contact-info > span {
    color: #159fe6;
    font-weight: bold;
    letter-spacing: 2px;
}

.contact-info h2 {
    font-size: 42px;
    color: #0b1f33;
    margin: 15px 0 20px;
}

.contact-info > p {
    font-size: 18px;
    line-height: 1.7;
    color: #666;
    max-width: 700px;
}

.contact-details {
    margin-top: 35px;
}

.contact-details p {
    margin-bottom: 22px;
    line-height: 1.6;
}

.contact-box {
    background: #0b1f33;
    color: white;
    padding: 45px;
}

.contact-box h3 {
    font-size: 28px;
    margin-bottom: 15px;
}

.contact-box p {
    line-height: 1.7;
    color: #c7d3dc;
    margin-bottom: 30px;
}

.contact-button {
    display: block;
    background: #18a8f5;
    color: white;
    text-decoration: none;
    padding: 15px 20px;
    text-align: center;
    font-weight: bold;
    margin-bottom: 15px;
}

.contact-button.secondary {
    background: transparent;
    border: 2px solid white;
}

footer {
    background: #071522;
    color: #aab8c4;
    padding: 25px 8%;
    display: flex;
    justify-content: space-between;
    gap: 20px;
}

footer strong {
    color: white;
}

.about {
    padding: 90px 8%;
    background: white;

    display: grid;
    grid-template-columns: 1.3fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-content > span {
    color: #159fe6;
    font-weight: bold;
    letter-spacing: 2px;
}

.about-content h2 {
    font-size: 42px;
    color: #0b1f33;
    margin: 15px 0 25px;
}

.about-content p {
    color: #5f6870;
    font-size: 18px;
    line-height: 1.8;
    margin-bottom: 15px;
}

.about-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2px;
    background: #dce3e8;
}

.about-stats div {
    background: #f5f7f9;
    padding: 35px 25px;
}

.about-stats strong {
    display: block;
    color: #0b1f33;
    font-size: 22px;
    margin-bottom: 8px;
}

.about-stats span {
    color: #69747d;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.brand img {
    height: 64px;
    width: auto;
    display: block;
}

.brand h1 {
    margin: 0;
}
html {
    scroll-behavior: smooth;
}

header {
    position: sticky;
    top: 0;
    z-index: 1000;
}

#hizmetler,
#hakkimizda,
#iletisim {
    scroll-margin-top: 100px;
}

/* =========================
   MOBİL GÖRÜNÜM
   ========================= */

@media (max-width: 768px) {

    header {
        padding: 12px 20px;
        flex-direction: column;
        gap: 12px;
    }

    .brand img {
        height: 50px;
    }

    .brand h1 {
        font-size: 22px;
    }

    nav {
        width: 100%;
        justify-content: center;
        gap: 15px;
        flex-wrap: wrap;
    }

    nav a {
        font-size: 14px;
    }


    /* HERO */

    .hero {
        min-height: auto;
        padding: 70px 25px;
        background-position: center;
    }

    .hero h2 {
        font-size: 40px;
    }

    .hero p {
        font-size: 17px;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: flex-start;
    }


    /* BAŞLIKLAR */

    .section-title h2 {
        font-size: 32px;
    }


    /* HİZMETLER */

    .services {
        padding: 60px 20px;
    }

    .service-grid {
        grid-template-columns: 1fr;
    }


    /* ÜRÜNLER */

    .products {
        padding: 60px 20px;
    }

    .product-grid {
        grid-template-columns: 1fr;
    }


    /* NEDEN BİZ */

    .why-us {
        padding: 60px 20px;
    }

    .why-grid {
        grid-template-columns: 1fr;
    }


    /* MARKALAR */

    .brands {
        padding: 60px 20px;
    }


    /* HAKKIMIZDA */

    .about {
        padding: 60px 20px;
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .about-content h2 {
        font-size: 32px;
    }

    .about-stats {
        grid-template-columns: 1fr;
    }


    /* İLETİŞİM */

    .contact {
        padding: 60px 20px;
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .contact-info h2 {
        font-size: 32px;
    }


    /* FOOTER */

    footer {
        flex-direction: column;
        text-align: center;
    }

}

.map-box {
    margin-top: 30px;
}

.map-box iframe {
    display: block;
    border-radius: 4px;
}

.map-button {
    display: inline-block;
    margin-top: 15px;
    padding: 14px 22px;
    background: #18a8f5;
    color: white;
    text-decoration: none;
    font-weight: bold;
}