/* ============================================================
   Instituto Galba Novaes de Castro — Estilos Principais
   Paleta: Azul (#1565C0), Amarelo (#F9A825), Branco (#FFFFFF)
   ============================================================ */

   :root {
    --azul:         #1565C0;
    --azul-dark:    #0D47A1;
    --azul-mid:     #1976D2;
    --azul-light:   #E3F0FF;
    --amarelo:      #F9A825;
    --amarelo-dark: #F57F17;
    --amarelo-light:#FFF8E1;
    --branco:       #FFFFFF;
    --cinza-claro:  #F5F7FA;
    --cinza-texto:  #4A5568;
    --cinza-titulo: #1A202C;
    --sombra:       0 4px 24px rgba(21, 101, 192, 0.10);
    --sombra-hover: 0 8px 32px rgba(21, 101, 192, 0.18);
    --radius:       12px;
    --radius-lg:    20px;
    --transicao:    0.3s ease;
  }
  
  /* ===== RESET & BASE ===== */
  *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
  html { scroll-behavior: smooth; }
  body {
    font-family: 'Open Sans', sans-serif;
    color: var(--cinza-texto);
    background: var(--branco);
    line-height: 1.7;
    overflow-x: hidden;
  }
  a { color: inherit; text-decoration: none; transition: color var(--transicao); }
  ul { list-style: none; }
  img { max-width: 100%; display: block; }
  
  .container {
    max-width: 1180px;
    margin: 0 auto;
    padding: 0 24px;
  }
  
  /* ===== TIPOGRAFIA ===== */
  h1, h2, h3, h4, h5 {
    font-family: 'Montserrat', sans-serif;
    color: var(--cinza-titulo);
    line-height: 1.25;
  }
  h1 { font-size: clamp(2rem, 5vw, 3.2rem); font-weight: 800; }
  h2 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); font-weight: 700; }
  h3 { font-size: 1.2rem; font-weight: 700; }
  
  /* ===== SECTIONS ===== */
  .section { padding: 90px 0; }
  .section-alt { background: var(--cinza-claro); }
  
  .section-header {
    text-align: center;
    max-width: 680px;
    margin: 0 auto 60px;
  }
  .section-header p { color: var(--cinza-texto); margin-top: 12px; font-size: 1.05rem; }
  .section-header-light h2 { color: var(--branco); }
  .section-header-light p  { color: rgba(255,255,255,0.85); }
  
  .section-label {
    display: inline-block;
    background: var(--azul-light);
    color: var(--azul);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    padding: 5px 14px;
    border-radius: 50px;
    margin-bottom: 14px;
  }
  .section-label-light {
    display: inline-block;
    background: rgba(255,255,255,0.18);
    color: var(--amarelo);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    padding: 5px 14px;
    border-radius: 50px;
    margin-bottom: 14px;
  }
  
  /* ===== BOTÕES ===== */
  .btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: 50px;
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    font-size: 0.95rem;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all var(--transicao);
  }
  .btn-primary {
    background: var(--amarelo);
    color: var(--azul-dark);
    border-color: var(--amarelo);
  }
  .btn-primary:hover {
    background: var(--amarelo-dark);
    border-color: var(--amarelo-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(249,168,37,0.4);
  }
  .btn-outline {
    background: transparent;
    color: var(--branco);
    border-color: rgba(255,255,255,0.6);
  }
  .btn-outline:hover {
    background: rgba(255,255,255,0.1);
    border-color: var(--branco);
  }
  
  /* ===== HEADER ===== */
  .header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--branco);
    box-shadow: 0 2px 16px rgba(21,101,192,0.10);
    transition: background var(--transicao);
  }
  .nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
  }
  .logo-area { display: flex; align-items: center; gap: 10px; }
  .logo { height: 72px; width: auto; object-fit: contain; }
  .logo-text {
    display: flex;
    align-items: center;
    gap: 10px;
  }
  .logo-initials {
    background: var(--azul);
    color: var(--branco);
    font-family: 'Montserrat', sans-serif;
    font-weight: 800;
    font-size: 1.1rem;
    padding: 8px 12px;
    border-radius: 8px;
    letter-spacing: 0.05em;
  }
  .logo-name {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    font-size: 0.9rem;
    color: var(--azul);
    line-height: 1.3;
  }
  .logo-name small { font-weight: 500; color: var(--cinza-texto); font-size: 0.78rem; }
  
  .nav-list {
    display: flex;
    align-items: center;
    gap: 32px;
  }
  .nav-list a {
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--cinza-titulo);
  }
  .nav-list a:hover { color: var(--azul); }
  .btn-nav {
    background: var(--azul) !important;
    color: var(--branco) !important;
    padding: 10px 22px;
    border-radius: 50px;
  }
  .btn-nav:hover { background: var(--azul-dark) !important; }
  
  .hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
  }
  .hamburger span {
    display: block;
    width: 26px;
    height: 3px;
    background: var(--azul);
    border-radius: 2px;
    transition: all var(--transicao);
  }
  
  .mobile-menu {
    display: none;
    background: var(--branco);
    border-top: 1px solid var(--azul-light);
    padding: 16px 24px;
  }
  .mobile-menu ul { display: flex; flex-direction: column; gap: 4px; }
  .mobile-menu a {
    display: block;
    padding: 10px 0;
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    color: var(--cinza-titulo);
    border-bottom: 1px solid var(--cinza-claro);
  }
  .mobile-menu.open { display: block; }
  
  /* ===== HERO ===== */
  .hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--azul-dark) 0%, var(--azul-mid) 50%, #1A237E 100%);
    padding-top: 72px;
    overflow: hidden;
  }
  .hero::before {
    content: '';
    position: absolute;
    top: -40%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(249,168,37,0.12) 0%, transparent 70%);
    pointer-events: none;
  }
  .hero::after {
    content: '';
    position: absolute;
    bottom: 10%;
    left: -5%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(255,255,255,0.05) 0%, transparent 70%);
    pointer-events: none;
  }
  .hero-overlay {
    position: absolute;
    inset: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="20" cy="20" r="1" fill="rgba(255,255,255,0.05)"/><circle cx="80" cy="40" r="2" fill="rgba(255,255,255,0.04)"/><circle cx="50" cy="80" r="1.5" fill="rgba(255,255,255,0.03)"/></svg>') repeat;
  }
  .hero-content {
    position: relative;
    z-index: 2;
    max-width: 700px;
    padding: 60px 24px;
  }
  .hero-badge {
    display: inline-block;
    background: rgba(249,168,37,0.2);
    color: var(--amarelo);
    border: 1px solid rgba(249,168,37,0.4);
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 6px 16px;
    border-radius: 50px;
    margin-bottom: 20px;
  }
  .hero-content h1 {
    color: var(--branco);
    margin-bottom: 20px;
  }
  .hero-content h1 em {
    color: var(--amarelo);
    font-style: normal;
  }
  .hero-content p {
    color: rgba(255,255,255,0.88);
    font-size: 1.1rem;
    margin-bottom: 36px;
    max-width: 560px;
  }
  .hero-highlight {
    color: var(--amarelo);
    font-weight: 700;
  }
  .hero-cta { display: flex; gap: 16px; flex-wrap: wrap; }
  .hero-wave {
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
    z-index: 2;
  }
  .hero-wave svg { display: block; width: 100%; }
  
  /* ===== SOBRE ===== */
  .sobre-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 70px;
    align-items: center;
  }
  .sobre-image { position: relative; }
  .sobre-image-placeholder {
    background: linear-gradient(135deg, var(--azul-light), #C5DEFC);
    border-radius: var(--radius-lg);
    height: 420px;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .sobre-image-placeholder i {
    font-size: 8rem;
    color: var(--azul);
    opacity: 0.3;
  }
  .sobre-badge-anos {
    position: absolute;
    bottom: -20px;
    right: -20px;
    background: var(--azul);
    color: var(--branco);
    border-radius: var(--radius);
    padding: 20px 26px;
    text-align: center;
    box-shadow: var(--sombra);
  }
  .sobre-badge-anos strong {
    display: block;
    font-family: 'Montserrat', sans-serif;
    font-size: 2.4rem;
    font-weight: 800;
    color: var(--amarelo);
    line-height: 1;
  }
  .sobre-badge-anos span {
    font-size: 0.82rem;
    font-weight: 600;
    opacity: 0.9;
  }
  
  .sobre-text .section-label { display: inline-block; margin-bottom: 14px; }
  .sobre-text h2 { margin-bottom: 20px; }
  .sobre-text p { margin-bottom: 16px; }
  
  .sobre-destaques {
    margin-top: 28px;
    display: flex;
    flex-direction: column;
    gap: 12px;
  }
  .destaque-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
    color: var(--cinza-titulo);
  }
  .destaque-item i { color: var(--azul); font-size: 1.1rem; }
  
  /* ===== SERVIÇOS ===== */
  .servicos-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
  }
  .servico-card {
    background: var(--branco);
    border-radius: var(--radius-lg);
    padding: 36px 30px;
    box-shadow: var(--sombra);
    transition: all var(--transicao);
    border-bottom: 4px solid transparent;
  }
  .servico-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--sombra-hover);
    border-bottom-color: var(--azul);
  }
  .servico-card-destaque {
    border-bottom-color: var(--amarelo);
    background: linear-gradient(160deg, var(--branco) 0%, var(--amarelo-light) 100%);
  }
  .servico-card-destaque:hover { border-bottom-color: var(--amarelo-dark); }
  
  .servico-icon {
    width: 64px;
    height: 64px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
  }
  .servico-icon i { font-size: 1.7rem; }
  .servico-card h3 { margin-bottom: 16px; }
  .servico-card ul { display: flex; flex-direction: column; gap: 8px; }
  .servico-card li {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.92rem;
    color: var(--cinza-texto);
  }
  .servico-card li i {
    font-size: 0.45rem;
    color: var(--azul);
    flex-shrink: 0;
  }
  .servico-card-destaque li i { color: var(--amarelo-dark); }
  
  /* ===== NÚMEROS ===== */
  .numeros {
    background: linear-gradient(135deg, var(--azul-dark), var(--azul-mid));
    position: relative;
  }
  .numeros .section-header h2 { color: var(--branco); }
  .numeros-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
  }
  .numero-card {
    background: rgba(255,255,255,0.08);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: var(--radius-lg);
    padding: 48px 32px;
    text-align: center;
    transition: all var(--transicao);
  }
  .numero-card:hover {
    background: rgba(255,255,255,0.14);
    transform: translateY(-4px);
  }
  .numero-card i {
    font-size: 2.8rem;
    color: var(--amarelo);
    margin-bottom: 20px;
    display: block;
  }
  .numero-valor {
    display: block;
    font-family: 'Montserrat', sans-serif;
    font-size: clamp(2.4rem, 5vw, 3.6rem);
    font-weight: 800;
    color: var(--branco);
    line-height: 1;
    margin-bottom: 10px;
  }
  .numero-label {
    color: rgba(255,255,255,0.8);
    font-weight: 600;
    font-size: 0.95rem;
  }
  
  /* ===== MISSÃO / VISÃO / VALORES ===== */
  .mvv-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
  }
  .mvv-card {
    background: var(--branco);
    border-radius: var(--radius-lg);
    padding: 40px 32px;
    box-shadow: var(--sombra);
    text-align: center;
    transition: all var(--transicao);
  }
  .mvv-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--sombra-hover);
  }
  .mvv-card-destaque {
    background: linear-gradient(160deg, var(--azul), var(--azul-mid));
  }
  .mvv-card-destaque h3,
  .mvv-card-destaque p { color: var(--branco); }
  .mvv-card-destaque .mvv-icon { background: rgba(255,255,255,0.15); }
  .mvv-card-destaque .mvv-icon i { color: var(--amarelo); }
  
  .mvv-icon {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: var(--azul-light);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
  }
  .mvv-icon i { font-size: 1.8rem; color: var(--azul); }
  .mvv-card h3 { margin-bottom: 14px; }
  .mvv-card p { font-size: 0.97rem; }
  
  .valores-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
    text-align: left;
  }
  .valores-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.93rem;
  }
  .valores-list i { color: var(--azul); font-size: 0.85rem; }
  
  /* ===== CONTATO ===== */
  .contato {
    background: linear-gradient(135deg, var(--azul-dark), #0a2d6e);
  }
  .contato-grid {
    display: grid;
    grid-template-columns: 1fr 1.4fr;
    gap: 50px;
    align-items: start;
  }
  .contato-info { display: flex; flex-direction: column; gap: 28px; }
  .contato-item { display: flex; gap: 18px; align-items: flex-start; }
  .contato-icon {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: rgba(249,168,37,0.15);
    border: 1px solid rgba(249,168,37,0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
  }
  .contato-icon i { color: var(--amarelo); font-size: 1.2rem; }
  .contato-item h4 {
    color: var(--amarelo);
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 4px;
  }
  .contato-item p { color: rgba(255,255,255,0.85); font-size: 0.95rem; line-height: 1.6; }
  .contato-item a { color: rgba(255,255,255,0.85); }
  .contato-item a:hover { color: var(--amarelo); }
  
  .contato-mapa { display: flex; flex-direction: column; gap: 14px; }
  .contato-mapa iframe {
    width: 100%;
    height: 340px;
    border: none;
    border-radius: var(--radius-lg);
    opacity: 0.85;
  }
  .btn-mapa {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--amarelo);
    color: var(--azul-dark);
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    font-size: 0.9rem;
    padding: 12px 24px;
    border-radius: 50px;
    width: fit-content;
    transition: all var(--transicao);
  }
  .btn-mapa:hover {
    background: var(--amarelo-dark);
    transform: translateY(-2px);
  }
  
  /* ===== FOOTER ===== */
  .footer {
    background: var(--cinza-titulo);
    color: rgba(255,255,255,0.75);
  }
  .footer-inner {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    padding: 64px 24px 40px;
  }
  .footer-brand p { font-size: 0.88rem; margin-top: 14px; line-height: 1.7; }
  
  .footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 4px;
  }
  .footer-logo img { height: 72px; width: auto; }
  .footer-logo-text {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    font-size: 0.95rem;
    color: var(--branco);
    line-height: 1.3;
  }
  .footer-logo-text small { font-weight: 400; color: rgba(255,255,255,0.6); font-size: 0.78rem; }
  
  .footer-social {
    display: flex;
    gap: 12px;
    margin-top: 20px;
  }
  .footer-social a {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.12);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255,255,255,0.7);
    transition: all var(--transicao);
  }
  .footer-social a:hover {
    background: var(--azul);
    border-color: var(--azul);
    color: var(--branco);
  }
  
  .footer h5 {
    color: var(--branco);
    font-family: 'Montserrat', sans-serif;
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 20px;
  }
  .footer-links ul, .footer-servicos ul {
    display: flex;
    flex-direction: column;
    gap: 10px;
  }
  .footer-links a { color: rgba(255,255,255,0.65); font-size: 0.9rem; }
  .footer-links a:hover { color: var(--amarelo); }
  .footer-servicos li { color: rgba(255,255,255,0.65); font-size: 0.9rem; }
  
  .footer-contato p {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 0.9rem;
    margin-bottom: 10px;
  }
  .footer-contato i { color: var(--amarelo); margin-top: 2px; flex-shrink: 0; }
  
  .footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.08);
    padding: 20px 24px;
    text-align: center;
    font-size: 0.85rem;
    color: rgba(255,255,255,0.45);
  }
  
  /* ===== FLUTUANTES ===== */
  .whatsapp-float {
    position: fixed;
    bottom: 28px;
    right: 28px;
    z-index: 999;
    width: 58px;
    height: 58px;
    background: #25D366;
    color: var(--branco);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    box-shadow: 0 4px 20px rgba(37,211,102,0.4);
    transition: all var(--transicao);
  }
  .whatsapp-float:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 8px 28px rgba(37,211,102,0.5);
  }
  
  .back-to-top {
    position: fixed;
    bottom: 100px;
    right: 28px;
    z-index: 999;
    width: 44px;
    height: 44px;
    background: var(--azul);
    color: var(--branco);
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    transform: translateY(10px);
    transition: all var(--transicao);
    box-shadow: var(--sombra);
  }
  .back-to-top.visible { opacity: 1; transform: translateY(0); }
  .back-to-top:hover { background: var(--azul-dark); }
  
  /* ===== RESPONSIVO ===== */
  @media (max-width: 1024px) {
    .servicos-grid { grid-template-columns: repeat(2, 1fr); }
    .mvv-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-inner { grid-template-columns: 1fr 1fr; }
    .contato-grid { grid-template-columns: 1fr; }
    .sobre-grid { gap: 48px; }
  }
  
  @media (max-width: 768px) {
    .section { padding: 64px 0; }
    .nav-list { display: none; }
    .hamburger { display: flex; }
  
    .sobre-grid { grid-template-columns: 1fr; }
    .sobre-badge-anos { right: 0; }
    .sobre-image-placeholder { height: 280px; }
  
    .servicos-grid { grid-template-columns: 1fr; }
    .numeros-grid { grid-template-columns: 1fr; gap: 16px; }
    .numero-card { padding: 36px 24px; }
  
    .mvv-grid { grid-template-columns: 1fr; }
  
    .footer-inner {
      grid-template-columns: 1fr;
      gap: 32px;
      padding: 48px 24px 32px;
    }
    .hero-cta { flex-direction: column; }
    .btn { justify-content: center; }
  }
  
  @media (max-width: 480px) {
    h1 { font-size: 1.8rem; }
    h2 { font-size: 1.5rem; }
    .numero-valor { font-size: 2.6rem; }
  }