/* ================================================================
   HEADER — навигация, лого, toggler, мобильное меню
   ================================================================ */

/* ─── Навбар ─────────────────────────────────────────────────── */
.navbar-custom {
    background: rgba(255, 255, 255, 0.90);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-subtle);

    padding: 0;
    min-height: 72px;
    display: flex;
    align-items: center;
}

.navbar-custom > .container {
    display: flex;
    align-items: center;
    min-height: inherit;
    flex-wrap: nowrap;
}

.navbar-custom .navbar-brand {
    font-weight: 700;
    font-size: 1.5rem;
    letter-spacing: -0.5px;
    color: var(--text-primary);
}
.navbar-custom .navbar-brand i { color: var(--accent-emerald); }
.navbar-custom .navbar-brand:hover { color: var(--text-primary); }

.navbar-custom .nav-link {
    color: var(--text-secondary) !important;
    font-weight: 500;
    transition: color 0.2s ease;
    padding: 8px 16px;
    border-radius: 8px;
}
.navbar-custom .nav-link:hover {
    color: var(--text-primary) !important;
    background: rgba(0, 0, 0, 0.03);
}
.navbar-custom .nav-link.active { color: var(--text-primary) !important; }

/* ─── Мобильное меню (выпадашка под бургером) ────────────────── */
@media (max-width: 991.98px) {
    .navbar-custom > .container {
        position: relative;
        flex-wrap: nowrap;
    }

    .navbar-custom .navbar-collapse {
        position: absolute;
        top: 100%;
        right: 0;
        left: auto;
        z-index: 1030;

        width: auto;
        min-width: 220px;
        max-width: calc(100vw - 24px);

        max-height: calc(100vh - 100px);
        overflow-y: auto;

        background: var(--bg-card, #ffffff);
        border: 1px solid var(--border-subtle, rgba(0,0,0,0.06));
        border-radius: var(--radius-md, 14px);
        box-shadow: var(--shadow-card, 0 4px 20px rgba(0,0,0,0.06));
        padding: 8px;
        margin-top: 8px;

        display: none;
    }

    .navbar-custom .navbar-collapse.show { display: block; }

    .navbar-custom .navbar-collapse .navbar-nav {
        flex-direction: column !important;
        align-items: stretch !important;
        gap: 2px !important;
        width: 100%;
    }
    .navbar-custom .navbar-collapse .nav-item { width: 100%; }
    .navbar-custom .navbar-collapse .nav-link {
        padding: 10px 12px !important;
        border-radius: 8px;
        white-space: nowrap;
        display: flex;
        align-items: center;
    }
    .navbar-custom .navbar-collapse .nav-link:hover { background: rgba(0, 184, 148, 0.08); }
    .navbar-custom .navbar-collapse .nav-item .btn {
        width: 100%;
        justify-content: center;
        margin-top: 4px;
    }
}

/* ─── Логотип ────────────────────────────────────────────────── */
.navbar-brand.site-logo {
    position: static !important;
    padding: 0 !important;
    margin: 0 !important;
    background: transparent !important;
    backdrop-filter: none !important;
    border: none !important;
    box-shadow: none !important;
    transform: none !important;

    height: 100%;
    display: flex;
    align-items: center;
    line-height: 1;
}
.navbar-brand.site-logo:hover {
    transform: none !important;
    border-color: transparent !important;
    box-shadow: none !important;
}

.navbar-brand.site-logo .logo-wrapper {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 2px;
    line-height: 1;
}
.navbar-brand.site-logo .logo-row {
    display: flex;
    align-items: center;
    gap: 10px;
    line-height: 1;
}
.navbar-brand.site-logo .logo-icon {
    font-size: 2rem;
    color: var(--accent-emerald, #00b894);
    line-height: 1;
}
.navbar-brand.site-logo .logo-text {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--text-primary, #1a1e2e);
    letter-spacing: -0.5px;
    line-height: 1;
}
.navbar-brand.site-logo .logo-text .highlight {
    background: var(--accent-gradient, linear-gradient(135deg, #00b894, #008f6f));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.navbar-brand.site-logo .logo-tagline {
    font-size: 0.75rem;
    font-weight: 400;
    color: var(--text-muted, #8a92a8);
    letter-spacing: 0.2px;
    line-height: 1.1;
    padding-left: 2px;
}

/* ─── Toggler (без display — иначе покажется на десктопе) ────── */
.navbar-custom .navbar-toggler {
    border-color: var(--border-subtle);
    padding: 6px 10px;
    line-height: 1;
    align-items: center;
    justify-content: center;
}
.navbar-custom .navbar-toggler:focus,
.navbar-custom .navbar-toggler:active {
    outline: none;
    box-shadow: none;
    border-color: var(--border-subtle);
}
.navbar-custom .navbar-toggler:focus-visible {
    outline: 2px solid var(--accent-emerald, #00b894);
    outline-offset: 2px;
    box-shadow: none;
}
.navbar-custom .navbar-toggler-icon {
    width: 1.25em;
    height: 1.25em;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(0,0,0,0.6)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* ─── Адаптив лого / навбара ─────────────────────────────────── */
@media (max-width: 992px) {
    .navbar-custom { min-height: 64px; }
    .navbar-brand.site-logo .logo-text { font-size: 1.5rem; }
    .navbar-brand.site-logo .logo-icon { font-size: 1.6rem; }
    .navbar-brand.site-logo .logo-tagline { font-size: 0.65rem; }
}

@media (max-width: 768px) {
    .navbar-custom { min-height: 56px; }
    .navbar-brand.site-logo .logo-text { font-size: 1.3rem; }
    .navbar-brand.site-logo .logo-icon { font-size: 1.4rem; }
    .navbar-brand.site-logo .logo-tagline { font-size: 0.6rem; }
    .navbar-brand.site-logo .logo-row { gap: 10px; }
}

@media (max-width: 576px) {
    .navbar-custom { min-height: 52px; }
    .navbar-brand.site-logo .logo-text { font-size: 1.1rem; }
    .navbar-brand.site-logo .logo-icon { font-size: 1.2rem; }
    .navbar-brand.site-logo .logo-tagline { font-size: 0.5rem; }
}