* {
    box-sizing: border-box;
}
html {
    scroll-behavior: smooth;
}
body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    color: #151515;
    background: #fff;
}
.container {
    width: min(1180px, calc(100% - 40px));
    margin: 0 auto;
}
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 96px;
    background: rgba(255, 255, 255, 0.97);
    border-bottom: 1px solid #eee;
    z-index: 1000;
}
.header-container {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.logo {
    display: flex;
    align-items: center;
}
.logo img {
    display: block;
    width: 270px;
    height: auto;
    max-height: 78px;
    object-fit: contain;
}
.nav {
    display: flex;
    align-items: center;
    gap: 34px;
}
.nav a {
    color: #151515;
    text-decoration: none;
    font-size: 15px;
    font-weight: 600;
    transition: 0.2s ease;
}
.nav a:hover {
    color: #fd7803;
}
.nav-button {
    background: #fd7803;
    color: #fff !important;
    padding: 14px 23px;
    border-radius: 6px;
}
.nav-button:hover {
    background: #007fd9;
}
.menu-button {
    display: none;
    border: 0;
    background: none;
    color: #151515;
    font-size: 28px;
    cursor: pointer;
}
@media (max-width: 900px) {
    .header {
        height: 82px;
    }
    .logo img {
        width: 220px;
        max-height: 65px;
    }
    .menu-button {
        display: block;
    }
    .nav {
        display: none;
        position: absolute;
        top: 82px;
        left: 0;
        width: 100%;
        background: #fff;
        padding: 25px 30px;
        flex-direction: column;
        align-items: flex-start;
        gap: 20px;
        border-bottom: 1px solid #eee;
    }
    .nav.active {
        display: flex;
    }
    .nav-button {
        width: 100%;
        text-align: center;
    }
}
@media (max-width: 500px) {
    .container {
        width: min(100% - 30px, 1180px);
    }
    .logo img {
        width: 190px;
        max-height: 58px;
    }
}