:root {
    /* Cores da Bandeira de Angola */
    --vermelho-angola: #CC092F;
    --vermelho-claro: #E8234A;
    --preto-angola: #1a1a1a;
    --amarelo-angola: #FFCB00;
    --amarelo-claro: #FFD633;
    --branco: #ffffff;
    --cinza-claro: #f5f5f5;
    --cinza-medio: #6c757d;
    --cinza-escuro: #343a40;

    /* Aliases internos */
    --azul-institucional: var(--vermelho-angola);
    --azul-claro: var(--vermelho-claro);
    --verde-desenvolvimento: var(--amarelo-angola);
    --verde-claro: var(--amarelo-claro);

    --sombra: 0 4px 20px rgba(204, 9, 47, 0.15);
    --transicao: all 0.3s ease;
}

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

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    color: var(--cinza-escuro);
    line-height: 1.6;
    background: var(--branco);
    overflow-x: hidden;
}

img {
    max-width: 100%;
    height: auto;
}

.container {
    padding-left: max(1rem, env(safe-area-inset-left));
    padding-right: max(1rem, env(safe-area-inset-right));
}

/* Top Bar */
.top-bar {
    background: var(--azul-institucional);
    color: var(--branco);
    font-size: 0.85rem;
    padding: 6px 0;
}

.top-bar a {
    color: rgba(255, 255, 255, 0.85);
    text-decoration: none;
    transition: var(--transicao);
}

.top-bar a:hover {
    color: var(--branco);
}

/* Header */
.site-header {
    background: var(--branco);
    box-shadow: var(--sombra);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.brand-logo {
    width: 64px;
    height: 64px;
    object-fit: contain;
    flex-shrink: 0;
}

.brand-text {
    line-height: 1.2;
}

.brand-text .municipio {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--azul-institucional);
}

.brand-text .provincia {
    font-size: 0.8rem;
    color: var(--amarelo-angola);
    font-weight: 600;
}

.navbar-nav .nav-link {
    color: var(--cinza-escuro);
    font-weight: 500;
    padding: 0.5rem 0.85rem !important;
    transition: var(--transicao);
    position: relative;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
    color: var(--azul-institucional);
}

.navbar-nav .nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 30px;
    height: 3px;
    background: var(--amarelo-angola);
    border-radius: 2px;
}

.btn-search {
    background: none;
    border: 2px solid var(--azul-institucional);
    color: var(--azul-institucional);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transicao);
}

.btn-search:hover {
    background: var(--azul-institucional);
    color: var(--branco);
}

/* Hero Banner */
.hero-banner {
    position: relative;
    min-height: 520px;
    background: linear-gradient(135deg, rgba(204, 9, 47, 0.88), rgba(26, 26, 26, 0.82)),
                url('../images/hero-calulo.png') center/cover no-repeat;
    display: flex;
    align-items: center;
    color: var(--branco);
}

.hero-content {
    max-width: 700px;
}

.hero-content h1 {
    font-size: 2.8rem;
    font-weight: 800;
    margin-bottom: 1rem;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.hero-content p {
    font-size: 1.15rem;
    opacity: 0.95;
    margin-bottom: 1.5rem;
}

.hero-badge {
    display: inline-block;
    background: var(--amarelo-angola);
    color: var(--preto-angola);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.btn-hero {
    background: var(--amarelo-angola);
    color: var(--preto-angola);
    border: none;
    padding: 12px 28px;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    display: inline-block;
    transition: var(--transicao);
}

.btn-hero:hover {
    background: var(--amarelo-claro);
    color: var(--preto-angola);
    transform: translateY(-2px);
}

.btn-hero-outline {
    background: transparent;
    border: 2px solid var(--branco);
    color: var(--branco);
    padding: 10px 26px;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    display: inline-block;
    margin-left: 10px;
    transition: var(--transicao);
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: center;
}

.hero-actions .btn-hero,
.hero-actions .btn-hero-outline {
    margin-left: 0;
}

/* Imagens responsivas */
.img-cover {
    width: 100%;
    object-fit: cover;
    border-radius: 12px;
}

.img-cover-lg {
    max-height: 420px;
    min-height: 200px;
}

.img-cover-md {
    height: 280px;
}

.img-cover-sm {
    height: 200px;
}

.stat-value-long {
    font-size: 1.1rem;
    line-height: 1.3;
}

/* Filtros horizontais em mobile */
.filter-scroll {
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 6px;
    justify-content: flex-start !important;
}

.filter-scroll .btn {
    white-space: nowrap;
    flex-shrink: 0;
}

/* Navbar toggler */
.navbar-toggler {
    border-color: var(--vermelho-angola);
    padding: 0.5rem 0.65rem;
}

.navbar-toggler:focus {
    box-shadow: 0 0 0 0.2rem rgba(204, 9, 47, 0.25);
}

.mobile-top-bar {
    background: var(--preto-angola);
    color: var(--branco);
    font-size: 0.75rem;
    padding: 6px 0;
    text-align: center;
}

.mobile-top-bar a {
    color: var(--amarelo-angola);
    text-decoration: none;
}

.btn-hero-outline:hover {
    background: var(--amarelo-angola);
    color: var(--preto-angola);
    border-color: var(--amarelo-angola);
}

/* Stats */
.stats-section {
    background: var(--preto-angola);
    color: var(--branco);
    padding: 40px 0;
    margin-top: -40px;
    position: relative;
    z-index: 10;
}

.stat-card {
    text-align: center;
    padding: 20px;
}

.stat-card .stat-icon {
    font-size: 2rem;
    color: var(--amarelo-angola);
    margin-bottom: 8px;
}

.stat-card .stat-value {
    font-size: 1.8rem;
    font-weight: 800;
}

.stat-card .stat-label {
    font-size: 0.9rem;
    opacity: 0.85;
}

/* Section Titles */
.section-title {
    text-align: center;
    margin-bottom: 40px;
}

.section-title h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--azul-institucional);
    margin-bottom: 8px;
}

.section-title .divider {
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--vermelho-angola), var(--amarelo-angola));
    margin: 0 auto 12px;
    border-radius: 2px;
}

.section-title p {
    color: var(--cinza-medio);
    max-width: 600px;
    margin: 0 auto;
}

/* Cards */
.card-municipal {
    border: none;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--sombra);
    transition: var(--transicao);
    height: 100%;
}

.card-municipal:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(204, 9, 47, 0.2);
}

.card-municipal .card-img-top {
    height: 200px;
    object-fit: cover;
}

.card-municipal .card-body {
    padding: 1.25rem;
}

.card-municipal .badge-category {
    background: var(--amarelo-angola);
    color: var(--preto-angola);
    font-size: 0.75rem;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 12px;
}

/* Page Header */
.page-header {
    background: linear-gradient(135deg, var(--vermelho-angola), var(--preto-angola));
    color: var(--branco);
    padding: 60px 0 40px;
    text-align: center;
}

.page-header h1 {
    font-size: 2.2rem;
    font-weight: 700;
}

.breadcrumb-municipal {
    background: transparent;
    margin-bottom: 0;
    justify-content: center;
}

.breadcrumb-municipal .breadcrumb-item a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
}

.breadcrumb-municipal .breadcrumb-item.active {
    color: var(--branco);
}

/* Content Sections */
.content-section {
    padding: 60px 0;
}

.content-section.bg-light {
    background: var(--cinza-claro);
}

.info-box {
    background: var(--branco);
    border-radius: 12px;
    padding: 30px;
    box-shadow: var(--sombra);
    height: 100%;
}

.info-box .icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--vermelho-angola), var(--preto-angola));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--branco);
    font-size: 1.5rem;
    margin-bottom: 16px;
}

.info-box h4 {
    color: var(--azul-institucional);
    font-weight: 600;
    margin-bottom: 10px;
}

/* Admin Profile */
.admin-profile {
    display: flex;
    gap: 30px;
    align-items: flex-start;
}

.admin-photo {
    width: 200px;
    height: 200px;
    border-radius: 12px;
    object-fit: cover;
    border: 4px solid var(--amarelo-angola);
    flex-shrink: 0;
}

/* Gallery */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}

.gallery-item {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    cursor: pointer;
    aspect-ratio: 4/3;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transicao);
}

.gallery-item:hover img {
    transform: scale(1.08);
}

.gallery-item .overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.7));
    color: var(--branco);
    padding: 20px 15px 12px;
    font-size: 0.9rem;
}

/* Forms */
.form-municipal .form-control,
.form-municipal .form-select {
    border: 2px solid #e0e6ed;
    border-radius: 8px;
    padding: 10px 14px;
    transition: var(--transicao);
}

.form-municipal .form-control:focus,
.form-municipal .form-select:focus {
    border-color: var(--azul-institucional);
    box-shadow: 0 0 0 3px rgba(204, 9, 47, 0.2);
}

.btn-municipal {
    background: var(--azul-institucional);
    color: var(--branco);
    border: none;
    padding: 10px 24px;
    border-radius: 8px;
    font-weight: 600;
    transition: var(--transicao);
}

.btn-municipal:hover {
    background: var(--azul-claro);
    color: var(--branco);
}

.btn-municipal-green {
    background: var(--amarelo-angola);
    color: var(--preto-angola);
    border: none;
    padding: 10px 24px;
    border-radius: 8px;
    font-weight: 700;
    transition: var(--transicao);
}

.btn-municipal-green:hover {
    background: var(--amarelo-claro);
    color: var(--preto-angola);
}

/* Document List */
.doc-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px;
    background: var(--branco);
    border-radius: 10px;
    margin-bottom: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    transition: var(--transicao);
}

.doc-item:hover {
    box-shadow: var(--sombra);
}

.doc-icon {
    width: 48px;
    height: 48px;
    background: var(--cinza-claro);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--azul-institucional);
    font-size: 1.3rem;
    flex-shrink: 0;
}

/* Footer */
.footer-logo {
    width: 56px;
    height: 56px;
    object-fit: contain;
    background: #fff;
    border-radius: 50%;
    padding: 4px;
}

.site-footer {
    background: var(--preto-angola);
    color: rgba(255, 255, 255, 0.85);
    padding-top: 50px;
}

.site-footer h5 {
    color: var(--branco);
    font-weight: 600;
    margin-bottom: 16px;
}

.site-footer a {
    color: rgba(255, 255, 255, 0.75);
    text-decoration: none;
    transition: var(--transicao);
}

.site-footer a:hover {
    color: var(--branco);
}

.footer-links li {
    margin-bottom: 8px;
}

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    margin-right: 8px;
    font-size: 1.1rem;
    transition: var(--transicao);
}

.social-links a:hover {
    background: var(--amarelo-angola);
    color: var(--preto-angola);
}

.footer-bottom {
    background: var(--vermelho-angola);
    padding: 16px 0;
    margin-top: 40px;
    font-size: 0.85rem;
    text-align: center;
}

/* Org Chart */
.org-chart {
    text-align: center;
}

.org-level {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.org-box {
    background: var(--branco);
    border: 2px solid var(--azul-institucional);
    border-radius: 10px;
    padding: 16px 24px;
    min-width: 180px;
    box-shadow: var(--sombra);
}

.org-box.highlight {
    background: var(--vermelho-angola);
    color: var(--branco);
    border-color: var(--vermelho-angola);
}

.org-box h6 {
    margin: 0;
    font-weight: 600;
}

.org-box small {
    opacity: 0.8;
}

/* Map */
.map-container {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--sombra);
}

.map-container iframe {
    width: 100%;
    height: 400px;
    border: 0;
}

/* Video embed */
.video-card iframe {
    width: 100%;
    aspect-ratio: 16/9;
    border-radius: 12px;
    border: none;
}

/* Alert */
.alert-municipal {
    border-radius: 10px;
    border: none;
}

/* Responsive — tablets e abaixo */
@media (max-width: 991.98px) {
    .hero-banner {
        min-height: 460px;
        padding: 2rem 0;
    }

    .hero-content h1 {
        font-size: 2rem;
    }

    .hero-content p {
        font-size: 1rem;
    }

    .admin-profile {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .admin-photo {
        width: 160px;
        height: 160px;
    }

    .navbar-collapse {
        background: var(--branco);
        margin-top: 0.75rem;
        padding: 0.5rem 0 1rem;
        border-radius: 10px;
        box-shadow: var(--sombra);
    }

    .navbar-nav .nav-link {
        padding: 0.75rem 1rem !important;
        border-bottom: 1px solid #eee;
    }

    .navbar-nav .nav-link.active::after {
        display: none;
    }

    .navbar-nav .nav-link.active {
        background: rgba(204, 9, 47, 0.08);
        border-left: 3px solid var(--vermelho-angola);
        font-weight: 600;
    }

    .navbar-nav .dropdown-menu {
        border: none;
        box-shadow: none;
        padding-left: 1rem;
    }

    .navbar-nav .nav-item.ms-lg-2 {
        margin-left: 0 !important;
        padding: 0.5rem 1rem;
    }

    .brand-text .municipio {
        font-size: 1rem;
    }

    .brand-logo {
        width: 52px;
        height: 52px;
    }

    .section-title h2 {
        font-size: 1.65rem;
    }

    .page-header {
        padding: 45px 0 30px;
    }

    .page-header h1 {
        font-size: 1.75rem;
    }

    .content-section {
        padding: 45px 0;
    }

    .info-box {
        padding: 22px;
    }

    .gallery-grid {
        grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
        gap: 14px;
    }

    .org-level {
        gap: 12px;
    }

    .org-box {
        min-width: 140px;
        padding: 12px 16px;
    }
}

/* Responsive — telemóveis */
@media (max-width: 767.98px) {
    .hero-banner {
        min-height: 380px;
    }

    .hero-content h1 {
        font-size: 1.65rem;
    }

    .hero-badge {
        font-size: 0.75rem;
        padding: 5px 12px;
    }

    .hero-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .hero-actions .btn-hero,
    .hero-actions .btn-hero-outline {
        width: 100%;
        text-align: center;
    }

    .stats-section {
        margin-top: 0;
        padding: 28px 0;
    }

    .stat-card {
        padding: 12px 8px;
    }

    .stat-card .stat-icon {
        font-size: 1.5rem;
    }

    .stat-card .stat-value {
        font-size: 1.25rem;
    }

    .stat-value-long {
        font-size: 0.95rem !important;
    }

    .stat-card .stat-label {
        font-size: 0.8rem;
    }

    .card-municipal .card-img-top {
        height: 180px;
    }

    .page-header h1 {
        font-size: 1.5rem;
    }

    .content-section {
        padding: 35px 0;
    }

    .section-title {
        margin-bottom: 28px;
    }

    .section-title h2 {
        font-size: 1.45rem;
    }

    .doc-item {
        flex-wrap: wrap;
        gap: 12px;
    }

    .doc-item .btn {
        width: 100%;
    }

    .gallery-grid {
        grid-template-columns: 1fr;
    }

    .img-cover-lg {
        max-height: 260px;
        min-height: 180px;
    }

    .img-cover-md {
        height: 220px;
    }

    .img-cover-sm {
        height: 160px;
    }

    .map-container iframe {
        height: 280px;
    }

    .footer-bottom {
        font-size: 0.78rem;
        padding: 14px 0;
    }

    .site-footer .d-flex.align-items-center {
        flex-direction: column;
        text-align: center;
    }

    .site-footer .social-links {
        justify-content: center;
        display: flex;
    }

    .lightbox-close {
        top: 12px;
        right: 16px;
        font-size: 1.75rem;
    }

    .form-municipal .btn-municipal,
    .form-municipal .btn-municipal-green,
    .hero-actions .btn-hero,
    .hero-actions .btn-hero-outline {
        width: 100%;
    }

    .input-group .btn-municipal {
        width: auto;
    }
}

/* Responsive — telemóveis pequenos */
@media (max-width: 575.98px) {
    .brand-text .provincia {
        font-size: 0.72rem;
    }

    .brand-text .municipio {
        font-size: 0.9rem;
    }

    .brand-logo {
        width: 44px;
        height: 44px;
    }

    .navbar-brand {
        gap: 8px;
        max-width: calc(100% - 56px);
    }

    .hero-content h1 {
        font-size: 1.45rem;
    }

    .admin-photo {
        width: 140px;
        height: 140px;
    }

    .info-box .icon {
        width: 50px;
        height: 50px;
        font-size: 1.25rem;
    }

    .org-box {
        width: 100%;
        min-width: 0;
    }

    .modal-dialog {
        margin: 0.75rem;
    }
}

/* Responsive — modo paisagem em telemóveis */
@media (max-width: 896px) and (orientation: landscape) {
    .hero-banner {
        min-height: 300px;
    }

    .hero-content h1 {
        font-size: 1.5rem;
    }
}

/* Bootstrap overrides — cores da bandeira */
.text-primary {
    color: var(--vermelho-angola) !important;
}

.btn-outline-primary {
    --bs-btn-color: var(--vermelho-angola);
    --bs-btn-border-color: var(--vermelho-angola);
    --bs-btn-hover-bg: var(--vermelho-angola);
    --bs-btn-hover-border-color: var(--vermelho-angola);
    --bs-btn-active-bg: var(--vermelho-claro);
    --bs-btn-active-border-color: var(--vermelho-claro);
}

.nav-pills .nav-link.active {
    background-color: var(--vermelho-angola);
}

/* Faixa tricolor decorativa */
.site-header::after {
    content: '';
    display: block;
    height: 4px;
    background: linear-gradient(90deg, var(--vermelho-angola) 33.33%, var(--preto-angola) 33.33%, var(--preto-angola) 66.66%, var(--amarelo-angola) 66.66%);
}

.fade-in {
    animation: fadeIn 0.6s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Lightbox */
.lightbox {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.9);
    z-index: 9999;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.lightbox.active {
    display: flex;
}

.lightbox img {
    max-width: 90%;
    max-height: 90vh;
    border-radius: 8px;
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 30px;
    color: white;
    font-size: 2rem;
    cursor: pointer;
    background: none;
    border: none;
}

/* Search modal */
.search-overlay input {
    font-size: 1.2rem;
    padding: 14px 20px;
    border-radius: 10px;
    border: none;
    width: 100%;
}