.sm-site-header {
    position: sticky;
    top: 0;
    z-index: 1040;
    padding: 14px 0;
    background: rgba(246, 248, 251, 0.78);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border-bottom: 1px solid rgba(229, 231, 235, 0.72);
}

.sm-navbar {
    padding: 0;
}

    .sm-navbar .container-fluid,
    .sm-navbar .container {
        min-height: 74px;
        padding: 10px 18px;
        border: 1px solid rgba(229, 231, 235, 0.9);
        border-radius: var(--sm-radius-pill);
        background: rgba(255, 255, 255, 0.94);
        box-shadow: var(--sm-shadow-md);
    }

/* Brand */

.sm-brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    color: var(--sm-dark);
    text-decoration: none;
}

    .sm-brand:hover {
        color: var(--sm-dark);
        text-decoration: none;
    }

.sm-brand-mark {
    width: 46px;
    height: 46px;
    display: grid;
    place-items: center;
    border-radius: 16px;
    background: #ffffff;
    border: 1px solid var(--sm-border);
    box-shadow: 0 12px 25px rgba(255, 75, 51, 0.18);
    overflow: hidden;
}

    .sm-brand-mark img {
        width: 34px;
        height: 34px;
        object-fit: cover;
        display: block;
    }

.sm-brand-text {
    display: flex;
    flex-direction: column;
    line-height: 1.05;
}

    .sm-brand-text strong {
        font-size: 1.08rem;
        font-weight: 900;
        letter-spacing: -0.035em;
    }

    .sm-brand-text small {
        margin-top: 4px;
        color: var(--sm-muted);
        font-size: 0.72rem;
        font-weight: 700;
    }

/* Nav links */

.sm-nav-links {
    align-items: center;
    gap: 4px;
}

    .sm-nav-links .nav-link {
        padding: 10px 15px;
        border-radius: var(--sm-radius-pill);
        color: #475467;
        font-size: 0.95rem;
        font-weight: 800;
        transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease;
    }

        .sm-nav-links .nav-link:hover,
        .sm-nav-links .nav-link:focus {
            background: var(--sm-primary-soft);
            color: var(--sm-primary-dark);
            transform: translateY(-1px);
        }

/* Right actions */

.sm-nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.sm-nav-link-secondary {
    color: #475467;
    font-size: 0.95rem;
    font-weight: 800;
    text-decoration: none;
}

    .sm-nav-link-secondary:hover {
        color: var(--sm-primary-dark);
        text-decoration: none;
    }

.sm-nav-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 0 20px;
    border-radius: var(--sm-radius-pill);
    background: var(--sm-primary);
    color: #ffffff;
    font-size: 0.92rem;
    font-weight: 900;
    text-decoration: none;
    box-shadow: 0 14px 30px rgba(255, 75, 51, 0.25);
    transition: transform 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}

    .sm-nav-cta:hover {
        transform: translateY(-1px);
        background: var(--sm-primary-dark);
        color: #ffffff;
        text-decoration: none;
        box-shadow: 0 18px 38px rgba(255, 75, 51, 0.32);
    }

/* Mobile toggle */

.sm-navbar-toggler {
    width: 46px;
    height: 46px;
    display: none;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 5px;
    padding: 0;
    border: 1px solid var(--sm-border);
    border-radius: 15px;
    background: #ffffff;
    box-shadow: none;
}

    .sm-navbar-toggler:focus {
        box-shadow: 0 0 0 4px rgba(255, 75, 51, 0.16);
    }

    .sm-navbar-toggler span {
        width: 19px;
        height: 2px;
        display: block;
        border-radius: var(--sm-radius-pill);
        background: var(--sm-dark);
    }

/* Responsive */

@media (max-width: 991px) {
    .sm-site-header {
        padding: 10px 0;
    }

    .sm-navbar .container-fluid,
    .sm-navbar .container {
        border-radius: 28px;
    }

    .sm-navbar-toggler {
        display: inline-flex;
    }

    .sm-navbar .navbar-collapse {
        margin-top: 16px;
        padding-top: 16px;
        border-top: 1px solid var(--sm-border);
    }

    .sm-nav-links {
        align-items: stretch;
        gap: 6px;
    }

        .sm-nav-links .nav-link {
            padding: 12px 14px;
        }

    .sm-nav-actions {
        align-items: stretch;
        flex-direction: column;
        margin-top: 14px;
    }

    .sm-nav-link-secondary,
    .sm-nav-cta {
        width: 100%;
        justify-content: center;
        text-align: center;
    }
}

@media (max-width: 650px) {
    .sm-brand-text small {
        display: none;
    }

    .sm-brand-mark {
        width: 42px;
        height: 42px;
        border-radius: 14px;
    }

    .sm-navbar .container-fluid,
    .sm-navbar .container {
        padding: 9px 12px;
    }
}