/* ===== Header / nav — light corporate, sticky ===== */
.scs-nav {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: saturate(180%) blur(12px);
    -webkit-backdrop-filter: saturate(180%) blur(12px);
    border-bottom: 1px solid var(--border);
    transition: box-shadow var(--transition);
}
.scs-nav__inner {
    max-width: var(--container);
    margin: 0 auto;
    padding: 14px 24px;
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 24px;
    align-items: center;
}

.scs-nav__brand {
    display: flex; align-items: center; gap: 12px;
    color: var(--text);
    text-decoration: none;
}
.scs-nav__brand:hover { color: var(--text); }
.scs-nav__logo svg { display: block; }
.scs-nav__text { display: flex; flex-direction: column; line-height: 1.05; }
.scs-nav__name {
    font-family: var(--font-display);
    font-size: 1.35rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text);
}
.scs-nav__name-dot { color: var(--emerald); }
.scs-nav__tag {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--text-muted);
    margin-top: 3px;
}

.scs-nav__menu {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 22px;
    flex-wrap: nowrap;
}
.scs-nav__menu a {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.95rem;
    text-decoration: none;
    padding: 6px 2px;
    border-bottom: 2px solid transparent;
    transition: all var(--transition);
    white-space: nowrap;
}
.scs-nav__menu a:hover {
    color: var(--text);
    border-bottom-color: var(--emerald);
}
.scs-nav__menu a.is-active {
    color: var(--text);
    border-bottom-color: var(--emerald);
    font-weight: 600;
}

@media (max-width: 1200px) {
    .scs-nav__menu { gap: 16px; }
    .scs-nav__menu a { font-size: 0.88rem; }
}
@media (max-width: 1080px) {
    .scs-nav__menu { gap: 12px; }
    .scs-nav__menu a { font-size: 0.82rem; }
    .scs-nav__tag { display: none; }
}

.scs-nav__cta {
    display: inline-flex; align-items: center;
    padding: 10px 18px;
    background: linear-gradient(135deg, var(--emerald), var(--emerald-dark));
    color: #fff;
    font-weight: 600;
    font-size: 0.9rem;
    border-radius: var(--radius);
    text-decoration: none;
    box-shadow: 0 2px 8px rgba(16, 185, 129, 0.25);
    transition: all var(--transition);
    white-space: nowrap;
    flex-shrink: 0;
    line-height: 1.2;
}
@media (max-width: 1280px) {
    .scs-nav__cta { padding: 9px 14px; font-size: 0.85rem; }
}
@media (max-width: 1080px) {
    .scs-nav__cta { padding: 8px 12px; font-size: 0.8rem; }
}
.scs-nav__cta:hover { transform: translateY(-1px); box-shadow: 0 6px 18px rgba(16, 185, 129, 0.35); color: #fff; }

@media (max-width: 980px) {
    .scs-nav__inner { grid-template-columns: 1fr auto; }
    .scs-nav__menu { display: none; }
    .scs-nav__tag { display: none; }
}

/* ====================================================
   Custom scroll-to-top — emerald glass, okrągły
   Override Astra default niebieski kwadrat
   ==================================================== */
#ast-scroll-top {
    background: linear-gradient(135deg, #047857 0%, #064E3B 100%) !important;
    color: #ffffff !important;
    width: 44px !important;
    height: 44px !important;
    line-height: 44px !important;
    border-radius: 50% !important;
    border: 1px solid rgba(110, 231, 183, 0.4) !important;
    box-shadow: 0 4px 14px rgba(6, 78, 59, 0.30),
                0 0 0 1px rgba(255, 255, 255, 0.1) inset !important;
    bottom: 24px !important;
    right: 24px !important;
    z-index: 999 !important;
    transition: transform 200ms ease, box-shadow 200ms ease, background 200ms ease !important;
    opacity: 0.92 !important;
}
#ast-scroll-top:hover,
#ast-scroll-top:focus {
    background: linear-gradient(135deg, #10B981 0%, #047857 100%) !important;
    transform: translateY(-3px) !important;
    box-shadow: 0 8px 24px rgba(16, 185, 129, 0.45),
                0 0 0 1px rgba(255, 255, 255, 0.2) inset !important;
    opacity: 1 !important;
}
#ast-scroll-top .ast-icon,
#ast-scroll-top svg {
    color: #ffffff !important;
    fill: #ffffff !important;
    width: 14px !important;
    height: 14px !important;
}
#ast-scroll-top .ast-icon svg path {
    stroke: #ffffff !important;
    stroke-width: 2.5 !important;
}
@media (max-width: 640px) {
    #ast-scroll-top { width: 40px !important; height: 40px !important; bottom: 18px !important; right: 18px !important; }
}


/* ====================================================
   MOBILE NAV — hamburger + slide-down drawer (max-width: 980px)
   ==================================================== */
.scs-nav__toggle {
    display: none;
    background: transparent;
    border: 1px solid var(--border, #cbd5e1);
    border-radius: 8px;
    width: 42px;
    height: 42px;
    padding: 0;
    cursor: pointer;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 4px;
    transition: border-color 0.15s ease;
}
.scs-nav__toggle:hover { border-color: var(--emerald, #10b981); }
.scs-nav__toggle:focus-visible {
    outline: 2px solid var(--emerald, #10b981);
    outline-offset: 2px;
}
.scs-nav__toggle-bar {
    display: block;
    width: 20px;
    height: 2px;
    background: var(--text, #0f172a);
    border-radius: 2px;
    transition: transform 0.2s ease, opacity 0.15s ease;
}
.scs-nav__toggle[aria-expanded="true"] .scs-nav__toggle-bar:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
}
.scs-nav__toggle[aria-expanded="true"] .scs-nav__toggle-bar:nth-child(2) {
    opacity: 0;
}
.scs-nav__toggle[aria-expanded="true"] .scs-nav__toggle-bar:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
}

@media (max-width: 980px) {
    .scs-nav__inner {
        grid-template-columns: 1fr auto auto !important;
        gap: 10px;
        align-items: center;
    }
    .scs-nav__toggle {
        display: inline-flex;
        order: 3;
    }
    .scs-nav__cta {
        order: 2;
        padding: 8px 14px;
        font-size: 0.82rem;
    }
    .scs-nav__menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: #ffffff;
        flex-direction: column;
        padding: 14px 18px;
        gap: 4px !important;
        box-shadow: 0 10px 30px -8px rgba(15, 23, 42, 0.18);
        border-top: 1px solid var(--border-light, #e2e8f0);
        border-bottom: 1px solid var(--border-light, #e2e8f0);
        z-index: 100;
    }
    .scs-nav__menu.is-open {
        display: flex;
    }
    .scs-nav__menu a {
        padding: 12px 14px !important;
        border-bottom: none !important;
        border-radius: 8px;
        font-size: 1rem !important;
        font-weight: 500;
        color: var(--text-secondary, #475569) !important;
        background: transparent;
        transition: background 0.15s ease, color 0.15s ease;
    }
    .scs-nav__menu a:hover,
    .scs-nav__menu a.is-active {
        background: var(--emerald-50, #ecfdf5);
        color: var(--emerald-dark, #047857) !important;
        border-bottom-color: transparent !important;
    }
    .scs-nav {
        position: relative;
    }
}
@media (max-width: 480px) {
    .scs-nav__cta {
        padding: 7px 10px;
        font-size: 0.78rem;
    }
    .scs-nav__tag {
        display: none !important;
    }
    .scs-nav__text { line-height: 1; }
}