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

body {
    font-family: Arial, Helvetica, sans-serif;
    background: #f8fafc;
    color: #0f172a;
}

.site-header {
    width: 100%;
    padding: 22px 28px;
    background: transparent;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar {
    width: 100%;
    max-width: 1420px;
    margin: 0 auto;
    min-height: 76px;
    padding: 12px 18px 12px 26px;
    background: rgba(255, 255, 255, 0.92);
    border: 1px solid rgba(226, 232, 240, 0.9);
    border-radius: 999px;
    box-shadow: 0 20px 55px rgba(15, 23, 42, 0.08);
    backdrop-filter: blur(18px);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.brand {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.brand img {
    width: 170px;
    height: auto;
    display: block;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 34px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 7px;
    background: #f1f5f9;
    border-radius: 999px;
}

.nav-links a {
    color: #0f172a;
    text-decoration: none;
    font-size: 15px;
    font-weight: 800;
    padding: 12px 18px;
    border-radius: 999px;
    transition: 0.2s ease;
}

.nav-links a:hover {
    background: #ffffff;
    color: #3f5fa8;
    box-shadow: 0 8px 18px rgba(15, 23, 42, 0.08);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 14px;
}

.login-link {
    color: #0f172a;
    text-decoration: none;
    font-size: 15px;
    font-weight: 800;
    padding: 13px 18px;
    border-radius: 999px;
    transition: 0.2s ease;
}

.login-link:hover {
    background: #f1f5f9;
    color: #3f5fa8;
}

.signup-btn {
    min-height: 50px;
    padding: 0 24px;
    border-radius: 999px;
    background: #0f172a;
    color: #ffffff;
    text-decoration: none;
    font-size: 15px;
    font-weight: 800;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 14px 28px rgba(15, 23, 42, 0.18);
    transition: 0.2s ease;
}

.signup-btn:hover {
    background: #3f5fa8;
    color: #ffffff;
    transform: translateY(-1px);
}

.menu-btn {
    display: none;
    border: none;
    background: #f1f5f9;
    color: #0f172a;
    width: 46px;
    height: 46px;
    border-radius: 50%;
    font-size: 20px;
    cursor: pointer;
}

@media (max-width: 1050px) {
    .site-header {
        padding: 16px;
    }

    .navbar {
        border-radius: 24px;
        padding: 14px 16px;
    }

    .brand img {
        width: 145px;
    }

    .menu-btn {
        display: grid;
        place-items: center;
    }

    .nav-menu {
        display: none;
        position: absolute;
        top: 96px;
        left: 16px;
        right: 16px;
        background: #ffffff;
        border: 1px solid #e5e7eb;
        border-radius: 24px;
        padding: 18px;
        box-shadow: 0 20px 55px rgba(15, 23, 42, 0.14);
        flex-direction: column;
        align-items: stretch;
        gap: 18px;
    }

    .nav-menu.active {
        display: flex;
    }

    .nav-links {
        background: transparent;
        padding: 0;
        flex-direction: column;
        align-items: stretch;
        gap: 8px;
    }

    .nav-links a {
        background: #f8fafc;
        padding: 15px 18px;
    }

    .nav-actions {
        flex-direction: column;
        align-items: stretch;
        gap: 10px;
        border-top: 1px solid #e5e7eb;
        padding-top: 18px;
    }

    .login-link,
    .signup-btn {
        width: 100%;
        text-align: center;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .site-header {
        padding: 10px;
    }

    .navbar {
        min-height: 68px;
        border-radius: 20px;
    }

    .brand img {
        width: 130px;
    }

    .nav-menu {
        top: 82px;
        left: 10px;
        right: 10px;
    }
}

/* ================= FOOTER ================= */

.site-footer{
    background:#0f172a;
    color:white;
    margin-top:100px;
}

.footer-top{
    max-width:1400px;
    margin:auto;
    padding:80px 40px;

    display:grid;
    grid-template-columns:2fr 1fr 1fr 1fr 1fr;
    gap:50px;
}

.footer-brand img{
    width:170px;
    margin-bottom:20px;
}

.footer-brand p{
    color:#94a3b8;
    line-height:1.8;
    max-width:320px;
}

.social-links{
    margin-top:25px;
    display:flex;
    gap:15px;
}

.social-links a{
    width:42px;
    height:42px;
    border-radius:50%;
    background:#1e293b;

    display:flex;
    align-items:center;
    justify-content:center;

    color:white;
    text-decoration:none;

    transition:.2s;
}

.social-links a:hover{
    background:#3b82f6;
}

.footer-column{
    display:flex;
    flex-direction:column;
    gap:15px;
}

.footer-column h4{
    font-size:18px;
    margin-bottom:8px;
}

.footer-column a{
    text-decoration:none;
    color:#94a3b8;
    transition:.2s;
}

.footer-column a:hover{
    color:white;
}

.footer-bottom{
    border-top:1px solid rgba(255,255,255,.1);

    text-align:center;

    padding:25px;
}

.footer-bottom p{
    color:#94a3b8;
}