.site-header {
    width: 100%;
    background: #0f172a;
    color: #fff;
}

.navbar {
    background: #0f172a;
    padding: 14px 0;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.container {
    width: 92%;
    max-width: 1200px;
    margin: 0 auto;
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    flex-wrap: wrap;
}

.brand a {
    color: #fff;
    text-decoration: none;
    font-size: 1.3rem;
    font-weight: 700;
}

.mobile-toggle {
    display: none;
    font-size: 1.8rem;
    color: #fff;
    cursor: pointer;
}

.nav-menu {
    list-style: none;
    display: flex;
    gap: 18px;
    margin: 0;
    padding: 0;
    align-items: center;
}

.nav-menu li {
    position: relative;
}

.nav-menu li a {
    color: #fff;
    text-decoration: none;
    font-size: 0.95rem;
    padding: 8px 10px;
    display: block;
}

.dropdown {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 220px;
    background: #1e293b;
    border-radius: 8px;
    padding: 8px 0;
    z-index: 999;
}

.dropdown a {
    padding: 10px 14px;
    color: #fff;
}

.nav-menu li:hover .dropdown {
    display: block;
}

.nav-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.btn {
    padding: 9px 14px;
    border-radius: 6px;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 600;
}

.btn.free-trial {
    background: #f59e0b;
    color: #111827;
}

.btn.login {
    background: #2563eb;
    color: #fff;
}

.topic-hero {
    background: linear-gradient(135deg, #1e293b, #334155);
    padding: 28px 0 32px;
}

.breadcrumb {
    margin: 0 0 10px;
    font-size: 0.92rem;
    color: #cbd5e1;
}

.breadcrumb a {
    color: #cbd5e1;
    text-decoration: none;
}

.topic-hero h1 {
    margin: 0 0 10px;
    font-size: 2rem;
    line-height: 1.2;
    color: #fff;
}

.topic-subtitle {
    margin: 0;
    max-width: 780px;
    color: #e2e8f0;
    font-size: 1rem;
    line-height: 1.6;
}

@media (max-width: 992px) {
    .mobile-toggle {
        display: block;
    }

    .nav-menu {
        display: none;
        width: 100%;
        flex-direction: column;
        align-items: flex-start;
        margin-top: 15px;
        background: #0f172a;
        padding: 10px 0;
    }

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

    .dropdown {
        position: static;
        display: none;
        width: 100%;
        margin-left: 10px;
        background: #172033;
    }

    .nav-menu li:hover .dropdown {
        display: block;
    }

    .nav-actions {
        width: 100%;
        margin-top: 10px;
    }
}