/* =====================================================
   Observatório Socioambiental — tema "Observatório institucional"
   Paleta: azul #0d3b66 + acento laranja #ee964b
   Inspirado no layout típico de Observatórios (RMM, etc.)
   ===================================================== */

:root {
    --cor-principal: #0d3b66;
    --cor-escura: #082a4a;
    --cor-clara: #1d4e89;
    --cor-destaque: #ee964b;
    --cor-destaque-escuro: #d77f30;
    --cor-sucesso: #1d7a47;
    --cor-fundo: #f4f6f8;
    --cor-fundo-alt: #ffffff;
    --cor-texto: #1f2937;
    --cor-muted: #5a6678;
    --cor-borda: #e3e7ec;
    --radius: 6px;
    --shadow-sm: 0 1px 2px rgba(13, 59, 102, 0.06);
    --shadow-md: 0 4px 12px rgba(13, 59, 102, 0.10);
    --shadow-lg: 0 12px 30px rgba(13, 59, 102, 0.14);
}

* { box-sizing: border-box; }
html, body { height: 100%; }

body {
    font-family: 'Inter', 'Roboto', system-ui, -apple-system, sans-serif;
    color: var(--cor-texto);
    background-color: var(--cor-fundo);
    line-height: 1.65;
    font-size: 16px;
}

a { color: var(--cor-clara); text-decoration: none; transition: color .15s; }
a:hover { color: var(--cor-destaque); }

h1, h2, h3, h4, h5, h6 {
    font-family: 'Inter', sans-serif;
    font-weight: 700;
    letter-spacing: -0.01em;
    color: var(--cor-escura);
}

.section-title {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--cor-escura);
    position: relative;
    padding-bottom: .75rem;
    margin-bottom: 1.5rem;
}
.section-title::after {
    content: "";
    display: block;
    width: 50px;
    height: 3px;
    background: var(--cor-destaque);
    margin-top: .5rem;
}
.section-title.text-center::after { margin-left: auto; margin-right: auto; }

.section-eyebrow {
    text-transform: uppercase;
    letter-spacing: .12em;
    font-size: .8rem;
    font-weight: 700;
    color: var(--cor-destaque);
    display: inline-block;
    margin-bottom: .5rem;
}

/* =====================================================
   TOP BAR
   ===================================================== */
.top-bar {
    background: var(--cor-escura);
    color: rgba(255,255,255,.85);
    font-size: .8rem;
    padding: .45rem 0;
    border-bottom: 1px solid rgba(255,255,255,.08);
}
.top-bar a { color: rgba(255,255,255,.85); }
.top-bar a:hover { color: var(--cor-destaque); }
.top-bar i { margin-right: 4px; }
.top-bar .top-links a { margin: 0 .5rem; }
.top-bar .top-links a:first-child { margin-left: 0; }

/* =====================================================
   HEADER (logo + nav)
   ===================================================== */
.site-header {
    background: #fff;
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1030;
}
.site-header .navbar-brand {
    display: flex;
    align-items: center;
    gap: .75rem;
    padding: .8rem 0;
    color: var(--cor-escura);
}
.brand-logo {
    width: 46px; height: 46px;
    border-radius: 8px;
    background: linear-gradient(135deg, var(--cor-principal) 0%, var(--cor-clara) 100%);
    color: #fff;
    display: inline-flex; align-items: center; justify-content: center;
    font-size: 1.6rem;
    box-shadow: var(--shadow-sm);
}
.brand-text strong { display: block; font-size: 1.15rem; line-height: 1.1; color: var(--cor-escura); }
.brand-text small { color: var(--cor-muted); font-size: .72rem; text-transform: uppercase; letter-spacing: .12em; }

.navbar-nav .nav-link {
    font-weight: 500;
    color: var(--cor-texto) !important;
    padding: 1rem .9rem !important;
    position: relative;
    transition: color .15s;
}
.navbar-nav .nav-link:hover,
.navbar-nav .nav-link:focus { color: var(--cor-clara) !important; }
.navbar-nav .nav-link.active {
    color: var(--cor-clara) !important;
    font-weight: 600;
}
.navbar-nav .nav-link.active::after {
    content: "";
    position: absolute;
    left: .9rem; right: .9rem; bottom: .5rem;
    height: 2px;
    background: var(--cor-destaque);
}

.navbar-nav .dropdown-menu {
    border: none;
    border-top: 3px solid var(--cor-destaque);
    box-shadow: var(--shadow-md);
    border-radius: 0 0 6px 6px;
    padding: .5rem 0;
    margin-top: 0;
}
.navbar-nav .dropdown-item {
    padding: .5rem 1.25rem;
    color: var(--cor-texto);
    font-size: .95rem;
}
.navbar-nav .dropdown-item:hover {
    background: var(--cor-fundo);
    color: var(--cor-clara);
    padding-left: 1.5rem;
}
.navbar-nav .dropdown-item i { color: var(--cor-clara); margin-right: .5rem; }

.header-search-form {
    position: relative;
    margin-left: 1rem;
}
.header-search-form .form-control {
    border-radius: 50px;
    border-color: var(--cor-borda);
    padding-left: 2.2rem;
    background: var(--cor-fundo);
    min-width: 200px;
}
.header-search-form .form-control:focus {
    background: #fff;
    border-color: var(--cor-clara);
    box-shadow: 0 0 0 .2rem rgba(29, 78, 137, .15);
}
.header-search-form .bi-search {
    position: absolute;
    left: .8rem; top: 50%;
    transform: translateY(-50%);
    color: var(--cor-muted);
    pointer-events: none;
}
.btn-accent {
    background: var(--cor-destaque);
    color: #fff;
    border-color: var(--cor-destaque);
    font-weight: 600;
    border-radius: 50px;
    padding: .45rem 1.1rem;
}
.btn-accent:hover {
    background: var(--cor-destaque-escuro);
    color: #fff;
    border-color: var(--cor-destaque-escuro);
}

/* =====================================================
   HERO
   ===================================================== */
.hero {
    background:
        linear-gradient(135deg, rgba(8,42,74,.92) 0%, rgba(13,59,102,.86) 50%, rgba(29,78,137,.78) 100%),
        url('https://images.unsplash.com/photo-1511497584788-876760111969?auto=format&fit=crop&q=80') center/cover;
    color: white;
    padding: 90px 0 100px;
    position: relative;
}
.hero h1 { color: #fff; font-size: 2.6rem; font-weight: 800; line-height: 1.15; }
.hero .lead { color: rgba(255,255,255,.92); max-width: 720px; }
.hero .hero-eyebrow {
    display: inline-block;
    padding: .35rem 1rem;
    background: rgba(238,150,75,.2);
    color: var(--cor-destaque);
    border-radius: 50px;
    font-size: .8rem;
    font-weight: 700;
    letter-spacing: .12em;
    text-transform: uppercase;
    margin-bottom: 1rem;
    border: 1px solid rgba(238,150,75,.4);
}
.hero-search {
    background: #fff;
    border-radius: 8px;
    padding: .4rem;
    display: flex;
    gap: .5rem;
    box-shadow: var(--shadow-md);
    max-width: 600px;
    margin-top: 2rem;
}
.hero-search .form-control {
    border: none;
    padding: .7rem 1rem;
    box-shadow: none !important;
}
.hero-search .form-control:focus { background: #fff; }
.hero-search button {
    background: var(--cor-destaque);
    color: #fff;
    border: none;
    border-radius: 6px;
    padding: .6rem 1.4rem;
    font-weight: 600;
}
.hero-search button:hover { background: var(--cor-destaque-escuro); }

/* =====================================================
   STATS BAR
   ===================================================== */
.stats-bar {
    background: var(--cor-escura);
    color: #fff;
    padding: 1.5rem 0;
}
.stats-bar .stat-number {
    font-size: 2rem;
    font-weight: 800;
    color: var(--cor-destaque);
    line-height: 1;
}
.stats-bar .stat-label {
    font-size: .85rem;
    text-transform: uppercase;
    letter-spacing: .1em;
    color: rgba(255,255,255,.7);
    margin-top: .25rem;
}

/* =====================================================
   CARDS GENÉRICOS
   ===================================================== */
.card {
    border: 1px solid var(--cor-borda);
    border-radius: var(--radius);
    background: #fff;
    transition: transform .2s ease, box-shadow .2s ease, border-color .2s;
}
.card:hover { box-shadow: var(--shadow-md); }
.hover-lift:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md) !important;
    border-color: rgba(29, 78, 137, .25);
}

/* =====================================================
   GRUPOS DE TRABALHO (cards com ícone)
   ===================================================== */
.gt-card {
    background: #fff;
    border: 1px solid var(--cor-borda);
    border-top: 4px solid var(--gt-cor, var(--cor-principal));
    border-radius: var(--radius);
    padding: 1.5rem;
    height: 100%;
    transition: all .2s;
    text-align: left;
}
.gt-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: var(--gt-cor, var(--cor-principal));
}
.gt-icon {
    width: 50px; height: 50px;
    border-radius: 10px;
    background: rgba(13, 59, 102, .08);
    color: var(--gt-cor, var(--cor-principal));
    display: inline-flex; align-items: center; justify-content: center;
    font-size: 1.6rem;
    margin-bottom: 1rem;
}
.gt-card h5 {
    color: var(--cor-escura);
    font-size: 1.05rem;
    margin-bottom: .35rem;
}
.gt-card p {
    color: var(--cor-muted);
    font-size: .9rem;
    margin-bottom: .75rem;
}
.gt-card .gt-coord {
    font-size: .78rem;
    color: var(--cor-muted);
    text-transform: uppercase;
    letter-spacing: .08em;
}

/* =====================================================
   PUBLICAÇÕES
   ===================================================== */
.pub-card {
    background: #fff;
    border: 1px solid var(--cor-borda);
    border-left: 4px solid var(--pub-cor, var(--cor-principal));
    border-radius: var(--radius);
    padding: 1.25rem 1.25rem 1.25rem 1.5rem;
    transition: all .2s;
    height: 100%;
    display: flex;
    flex-direction: column;
}
.pub-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}
.pub-type {
    display: inline-flex;
    align-items: center;
    gap: .35rem;
    padding: .2rem .65rem;
    border-radius: 50px;
    font-size: .72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .08em;
    color: #fff;
    background: var(--pub-cor, var(--cor-principal));
    margin-bottom: .75rem;
}
.pub-title {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--cor-escura);
    line-height: 1.35;
    margin-bottom: .5rem;
}
.pub-summary {
    color: var(--cor-muted);
    font-size: .9rem;
    flex-grow: 1;
}
.pub-meta {
    color: var(--cor-muted);
    font-size: .8rem;
    margin-top: 1rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

/* =====================================================
   NOTÍCIAS
   ===================================================== */
.news-card {
    background: #fff;
    border: 1px solid var(--cor-borda);
    border-radius: var(--radius);
    overflow: hidden;
    height: 100%;
    transition: all .2s;
    display: flex;
    flex-direction: column;
}
.news-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.news-card .news-thumb {
    width: 100%;
    height: 180px;
    background: linear-gradient(135deg, var(--cor-principal), var(--cor-clara));
    display: flex; align-items: center; justify-content: center;
    color: rgba(255,255,255,.4);
    font-size: 3rem;
}
.news-card .news-body { padding: 1.1rem 1.25rem; flex-grow: 1; display: flex; flex-direction: column; }
.news-card .news-cat {
    display: inline-block;
    font-size: .7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .1em;
    color: var(--cat-cor, var(--cor-clara));
    margin-bottom: .35rem;
}
.news-card .news-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--cor-escura);
    margin-bottom: .5rem;
    line-height: 1.35;
}
.news-card .news-summary { color: var(--cor-muted); font-size: .88rem; flex-grow: 1; }
.news-card .news-meta { font-size: .78rem; color: var(--cor-muted); margin-top: .75rem; }

/* =====================================================
   BIOMAS
   ===================================================== */
.bioma-card {
    background: #fff;
    border: 1px solid var(--cor-borda);
    border-radius: var(--radius);
    overflow: hidden;
    transition: all .2s;
    text-align: center;
    height: 100%;
}
.bioma-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.bioma-card .bioma-thumb {
    height: 110px;
    background: var(--bioma-cor, var(--cor-principal));
    display: flex; align-items: center; justify-content: center;
    color: #fff; font-size: 3rem;
}
.bioma-card .bioma-body { padding: 1rem; }
.bioma-card h5 { color: var(--cor-escura); margin-bottom: .25rem; }
.bioma-card p { color: var(--cor-muted); font-size: .85rem; margin: 0; }

/* =====================================================
   PAGE HEADER (páginas internas)
   ===================================================== */
.page-header {
    background: linear-gradient(135deg, var(--cor-escura) 0%, var(--cor-principal) 100%);
    color: #fff;
    padding: 60px 0 50px;
    border-bottom: 4px solid var(--cor-destaque);
}
.page-header h1 { color: #fff; font-size: 2.2rem; margin-bottom: .5rem; }
.page-header .lead { color: rgba(255,255,255,.85); margin: 0; }
.page-header .breadcrumb { background: transparent; padding: 0; margin-bottom: 1rem; }
.page-header .breadcrumb-item, .page-header .breadcrumb-item a { color: rgba(255,255,255,.7); }
.page-header .breadcrumb-item.active { color: #fff; }
.page-header .breadcrumb-item + .breadcrumb-item::before { color: rgba(255,255,255,.4); }

/* =====================================================
   ACCORDION (FAQ) — tema azul
   ===================================================== */
.accordion-item {
    border-radius: 6px !important;
    border: 1px solid var(--cor-borda);
    margin-bottom: .5rem;
    overflow: hidden;
    background: #fff;
}
.accordion-button {
    font-weight: 500;
    color: var(--cor-texto);
    background: #fff;
    transition: background .15s;
}
.accordion-button:not(.collapsed) {
    color: var(--cor-principal);
    background: #eaf0f7;
    box-shadow: inset 0 -1px 0 rgba(13, 59, 102, .1);
}
.accordion-button:hover { background: #f4f6f8; }
.accordion-button:focus { box-shadow: 0 0 0 .2rem rgba(29, 78, 137, .15); border-color: transparent; }
.accordion-button::after {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%230d3b66'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
}

/* =====================================================
   PILARES (cards com ícone)
   ===================================================== */
.pilar-card {
    background: #fff;
    border: 1px solid var(--cor-borda);
    border-radius: var(--radius);
    padding: 1.5rem;
    text-align: center;
    height: 100%;
    transition: all .2s;
}
.pilar-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.pilar-card .display-4 { font-size: 2.5rem; margin-bottom: .5rem; }
.pilar-card h5 { color: var(--cor-escura); margin-bottom: .5rem; }
.pilar-card p { color: var(--cor-muted); font-size: .9rem; margin: 0; }

/* =====================================================
   MEMBROS
   ===================================================== */
.membro-card {
    background: #fff;
    border: 1px solid var(--cor-borda);
    border-radius: var(--radius);
    text-align: center;
    padding: 1.5rem 1rem;
    height: 100%;
    transition: all .2s;
}
.membro-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.membro-avatar {
    width: 90px; height: 90px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--cor-principal), var(--cor-clara));
    color: #fff;
    display: inline-flex; align-items: center; justify-content: center;
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1rem;
}
.membro-card h5 { font-size: 1rem; color: var(--cor-escura); margin-bottom: .25rem; }
.membro-card .funcao { color: var(--cor-clara); font-size: .85rem; font-weight: 500; }
.membro-card .instituicao { color: var(--cor-muted); font-size: .82rem; }

/* =====================================================
   PARCEIROS
   ===================================================== */
.parceiro-card {
    background: #fff;
    border: 1px solid var(--cor-borda);
    border-radius: var(--radius);
    padding: 1.25rem;
    color: var(--cor-texto);
    text-align: center;
    font-size: .9rem;
    font-weight: 500;
    transition: all .15s;
}
.parceiro-card:hover {
    border-color: var(--cor-clara);
    color: var(--cor-escura);
    transform: translateY(-2px);
}

/* =====================================================
   LETTER NAV (glossário)
   ===================================================== */
.letter-nav .btn { min-width: 36px; padding: .35rem .55rem; font-size: .85rem; }

/* =====================================================
   BOTÕES
   ===================================================== */
.btn-primary {
    background-color: var(--cor-principal);
    border-color: var(--cor-principal);
}
.btn-primary:hover, .btn-primary:focus {
    background-color: var(--cor-escura);
    border-color: var(--cor-escura);
}
.btn-outline-primary {
    color: var(--cor-principal);
    border-color: var(--cor-principal);
}
.btn-outline-primary:hover {
    background-color: var(--cor-principal);
    border-color: var(--cor-principal);
}

/* =====================================================
   FORMULÁRIOS
   ===================================================== */
.form-control, .form-select {
    border-radius: var(--radius);
    border-color: var(--cor-borda);
    padding: .55rem .9rem;
}
.form-control:focus, .form-select:focus {
    border-color: var(--cor-clara);
    box-shadow: 0 0 0 .2rem rgba(29, 78, 137, .15);
}
.form-label { font-weight: 500; color: var(--cor-escura); font-size: .92rem; }

/* =====================================================
   FOOTER
   ===================================================== */
.site-footer {
    background: var(--cor-escura);
    color: rgba(255,255,255,.85);
    padding: 60px 0 0;
    margin-top: 60px;
    border-top: 4px solid var(--cor-destaque);
}
.site-footer h5, .site-footer h6 { color: #fff; }
.site-footer h6 {
    text-transform: uppercase;
    letter-spacing: .12em;
    font-size: .8rem;
    margin-bottom: 1rem;
    color: var(--cor-destaque);
}
.site-footer a { color: rgba(255,255,255,.75); text-decoration: none; }
.site-footer a:hover { color: var(--cor-destaque); }
.site-footer ul li { margin-bottom: .5rem; }
.site-footer .footer-bottom {
    border-top: 1px solid rgba(255,255,255,.1);
    padding: 1.25rem 0;
    margin-top: 2.5rem;
    color: rgba(255,255,255,.5);
    font-size: .85rem;
}
.site-footer .footer-brand {
    display: flex; align-items: center; gap: .75rem;
    margin-bottom: 1rem;
}
.site-footer .footer-brand .brand-logo {
    background: linear-gradient(135deg, var(--cor-destaque) 0%, #f4a261 100%);
}
.site-footer .social-icons a {
    display: inline-flex; align-items: center; justify-content: center;
    width: 36px; height: 36px; border-radius: 50%;
    background: rgba(255,255,255,.08);
    color: #fff;
    margin-right: .5rem;
    transition: all .15s;
}
.site-footer .social-icons a:hover { background: var(--cor-destaque); color: #fff; transform: translateY(-2px); }
.site-footer .footer-newsletter input {
    background: rgba(255,255,255,.08);
    border-color: rgba(255,255,255,.15);
    color: #fff;
}
.site-footer .footer-newsletter input::placeholder { color: rgba(255,255,255,.5); }

/* =====================================================
   ARTIGO (drop-cap opcional, ativado em .with-dropcap)
   ===================================================== */
.article-content p { margin-bottom: 1.1rem; font-size: 1.05rem; color: #2c3e50; }
.article-content.with-dropcap p:first-of-type::first-letter {
    font-size: 3.2rem;
    float: left;
    line-height: 1;
    padding: .3rem .6rem 0 0;
    color: var(--cor-principal);
    font-weight: 800;
}

/* =====================================================
   TIPOS DE PUBLICAÇÃO (filtro)
   ===================================================== */
.tipo-filter { display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: 1.5rem; }
.tipo-filter .btn { font-size: .85rem; }

/* =====================================================
   RESPONSIVO
   ===================================================== */
@media (max-width: 768px) {
    .hero { padding: 60px 0 70px; }
    .hero h1 { font-size: 1.85rem; }
    .stats-bar .stat-number { font-size: 1.6rem; }
    .header-search-form { margin: .5rem 0; }
}