:root {
      --azul:  #0D1B2A;
      --ciano: #00B4D8;
      --cinza: #64748B;
      --linha: #E2E8F0;
      --fundo: #F8FAFC;
    }

    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; }

    body {
      font-family: 'Inter', sans-serif;
      background: var(--fundo);
      color: var(--azul);
      line-height: 1.6;
    }

    h1, h2, h3, .logo { font-family: 'Space Grotesk', sans-serif; }

    /* ── Header ── */
    header {
      background: var(--azul);
      padding: 16px 8%;
      position: sticky;
      top: 0;
      z-index: 100;
      display: flex;
      justify-content: space-between;
      align-items: center;
      box-shadow: 0 2px 16px rgba(0,0,0,0.2);
    }

    .logo {
      color: #fff;
      font-size: 1rem;
      font-weight: 700;
      text-decoration: none;
    }

    nav { display: flex; gap: 28px; align-items: center; }

    nav a {
      color: rgba(255,255,255,0.82);
      text-decoration: none;
      font-size: 0.9rem;
      font-weight: 500;
      transition: color 0.2s;
    }

    nav a:hover { color: var(--ciano); }

    /* ── Toggle PT/EN ── */
    .lang-toggle {
      display: flex;
      align-items: center;
      gap: 4px;
      margin-left: 8px;
      color: rgba(255,255,255,0.3);
      font-size: 0.8rem;
    }

    .lang-btn {
      background: none;
      border: none;
      color: rgba(255,255,255,0.5);
      font-size: 0.8rem;
      font-weight: 700;
      font-family: 'Space Grotesk', sans-serif;
      cursor: pointer;
      padding: 2px 4px;
      border-radius: 4px;
      transition: color 0.15s;
    }

    .lang-btn:hover { color: #fff; }
    .lang-btn.ativo  { color: var(--ciano); }

    /* Esconde barra e frame do Google Translate */
    .goog-te-banner-frame,
    #goog-gt-tt,
    .goog-te-balloon-frame { display: none !important; }
    body { top: 0 !important; }
    nav a.ativo { color: var(--ciano); }

    /* Hamburger */
    .hamburger {
      display: none;
      flex-direction: column;
      gap: 5px;
      background: none;
      border: none;
      cursor: pointer;
      padding: 4px;
    }
    .hamburger span {
      display: block;
      width: 22px;
      height: 2px;
      background: #fff;
      border-radius: 2px;
      transition: 0.3s;
    }
    .hamburger.aberto span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
    .hamburger.aberto span:nth-child(2) { opacity: 0; }
    .hamburger.aberto span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

    /* ── Hero ── */
    .hero {
      background:
        linear-gradient(120deg, rgba(13,27,42,0.96), rgba(27,108,168,0.82)),
        var(--azul);
      color: #fff;
      padding: 80px 8%;
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 48px;
      align-items: center;
    }

    .hero-tag {
      color: var(--ciano);
      font-size: 0.78rem;
      font-weight: 700;
      letter-spacing: 3px;
      text-transform: uppercase;
      margin-bottom: 16px;
    }

    .hero h1 {
      font-size: clamp(2.2rem, 5vw, 3.8rem);
      line-height: 1.08;
      margin-bottom: 14px;
    }

    .hero-desc {
      color: #C8D8E8;
      font-size: 0.97rem;
      max-width: 560px;
      margin-bottom: 30px;
    }

    .hero-btns { display: flex; gap: 12px; flex-wrap: wrap; }

    .btn {
      padding: 11px 22px;
      border-radius: 999px;
      font-weight: 700;
      font-family: 'Space Grotesk', sans-serif;
      font-size: 0.9rem;
      text-decoration: none;
      transition: 0.2s;
    }
    .btn-primary { background: var(--ciano); color: var(--azul); }
    .btn-primary:hover { background: #02caf5; transform: translateY(-2px); }
    .btn-outline { border: 1.5px solid rgba(255,255,255,0.4); color: #fff; }
    .btn-outline:hover { background: rgba(255,255,255,0.1); transform: translateY(-2px); }
    .btn-outline-dark { border: 1.5px solid #1B6CA8; color: #1B6CA8; }
    .btn-outline-dark:hover { background: rgba(27,108,168,0.08); transform: translateY(-2px); }
    .btn-orcid { background: #A6CE39; color: #fff; }
    .btn-orcid:hover { background: #8fb82e; transform: translateY(-2px); }

    .hero-photo {
  width: 240px;
  height: 240px;
  border-radius: 50%;
  overflow: hidden;
  border: 3px solid rgba(0,180,216,.5);
  box-shadow: 0 12px 30px rgba(0,0,0,.25);
}

.hero-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

    /* Badges rápidos */
    .roles {
      display: flex;
      gap: 8px;
      flex-wrap: wrap;
      margin-bottom: 22px;
    }
    .role {
      padding: 5px 12px;
      border-radius: 999px;
      background: rgba(0,180,216,0.15);
      border: 1px solid rgba(0,180,216,0.35);
      color: var(--ciano);
      font-size: 0.82rem;
      font-weight: 600;
      font-family: 'Space Grotesk', sans-serif;
    }

    /* ── Seções ── */
    section { padding: 64px 8%; }
    section.bg-branco { background: #fff; }

    .sec-tag {
      color: #1B6CA8;
      font-size: 0.78rem;
      font-weight: 700;
      letter-spacing: 3px;
      text-transform: uppercase;
      margin-bottom: 8px;
    }

    section h2 {
      font-size: clamp(1.7rem, 3.5vw, 2.4rem);
      margin-bottom: 10px;
      line-height: 1.2;
    }

    section .desc {
      color: var(--cinza);
      font-size: 0.97rem;
      max-width: 680px;
      margin-bottom: 36px;
    }

    /* ── Cards de papel ── */
    .cards { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; }

    .card {
      background: #fff;
      border: 1px solid var(--linha);
      border-radius: 20px;
      padding: 26px;
      box-shadow: 0 4px 16px rgba(15,23,42,0.05);
      transition: transform 0.2s, box-shadow 0.2s;
    }

    .card:hover { transform: translateY(-3px); box-shadow: 0 10px 28px rgba(15,23,42,0.09); }
    .card .icon { font-size: 1.8rem; margin-bottom: 12px; }
    .card h3 { font-size: 1.05rem; margin-bottom: 8px; }
    .card p { color: var(--cinza); font-size: 0.93rem; }

    /* ── Ensino / Acordeão ── */
    .ensino-intro { margin-bottom: 28px; }


    .editar-box {
      background: #E0F2FE;
      border: 1px solid #BAE6FD;
      color: #0C4A6E;
      border-radius: 14px;
      padding: 14px 18px;
      margin: -12px 0 24px;
      font-size: 0.9rem;
    }

    .editar-box code {
      background: rgba(255,255,255,0.75);
      border: 1px solid rgba(12,74,110,0.12);
      border-radius: 6px;
      padding: 2px 6px;
      font-family: Consolas, monospace;
      font-size: 0.86rem;
    }

    .disc-vazia {
      padding: 18px;
      color: var(--cinza);
      font-size: 0.92rem;
      border-bottom: 1px solid var(--linha);
    }

    .uni {
      border: 1px solid var(--linha);
      border-radius: 16px;
      overflow: hidden;
      margin-bottom: 12px;
      background: #fff;
      box-shadow: 0 2px 10px rgba(15,23,42,0.04);
    }

    .uni-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 18px 22px;
      cursor: pointer;
      user-select: none;
      transition: background 0.15s;
    }

    .uni-header:hover { background: #F0F9FF; }

    .uni-header h3 {
      font-size: 1.05rem;
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .uni-header .chevron {
      font-size: 1rem;
      color: var(--cinza);
      transition: transform 0.25s;
    }

    .uni.aberto > .uni-header > .chevron { transform: rotate(180deg); }

    .uni-body {
      display: none;
      border-top: 1px solid var(--linha);
    }

    .uni.aberto .uni-body { display: block; }

    /* Tabela de materiais */
    .mat-table {
      width: 100%;
      border-collapse: collapse;
    }

    .mat-table thead {
      background: var(--azul);
      color: #fff;
    }

    .mat-table th {
      padding: 12px 18px;
      text-align: left;
      font-family: 'Space Grotesk', sans-serif;
      font-size: 0.83rem;
      font-weight: 600;
    }

    .mat-table td {
      padding: 12px 18px;
      font-size: 0.92rem;
      border-bottom: 1px solid var(--linha);
      vertical-align: middle;
    }

    .mat-table tr:last-child td { border-bottom: none; }
    .mat-table tr:hover td { background: #F0F9FF; }

    .tipo {
      display: inline-block;
      padding: 3px 9px;
      border-radius: 999px;
      font-size: 0.78rem;
      font-weight: 700;
      font-family: 'Space Grotesk', sans-serif;
    }
    .tipo-slide  { background: #DBEAFE; color: #1e40af; }
    .tipo-lista  { background: #DCFCE7; color: #166534; }
    .tipo-prova  { background: #FEF3C7; color: #92400e; }
    .tipo-nota   { background: #F3E8FF; color: #6b21a8; }
    .tipo-livro  { background: #FEF9C3; color: #854D0E; }
    .tipo-pasta  { background: #FEF3C7; color: #B45309; }
    .tipo-video  { background: #FCE7F3; color: #9D174D; }
    .tipo-zip        { background: #F1F5F9; color: #475569; }
    .tipo-aplicativo { background: #ECFDF5; color: #065F46; }

    .mat-link {
      display: inline-block;
      padding: 4px 11px;
      border-radius: 999px;
      font-size: 0.8rem;
      font-weight: 700;
      text-decoration: none;
      font-family: 'Space Grotesk', sans-serif;
      transition: 0.15s;
      margin-right: 4px;
    }
    .mat-link.pdf { background: var(--ciano); color: var(--azul); }
    .mat-link.pdf:hover { background: #02caf5; }
    .mat-link.drive { border: 1px solid var(--linha); color: #1B6CA8; }
    .mat-link.drive:hover { border-color: #1B6CA8; }

    .disc-title {
      background: var(--fundo);
      padding: 10px 18px;
      font-size: 0.85rem;
      font-weight: 700;
      color: #1B6CA8;
      font-family: 'Space Grotesk', sans-serif;
      border-bottom: 1px solid var(--linha);
      letter-spacing: 0.3px;
    }


    /* ── Busca e filtro de materiais ── */
    .ensino-filtros {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      align-items: center;
      margin-bottom: 28px;
    }

    #ensino-busca {
      flex: 1 1 240px;
      padding: 10px 16px;
      border: 1.5px solid var(--linha);
      border-radius: 999px;
      font-size: 0.95rem;
      font-family: 'Inter', sans-serif;
      background: #fff;
      color: var(--azul);
      outline: none;
      transition: border-color 0.2s;
    }

    #ensino-busca:focus {
      border-color: var(--ciano);
    }

    .filtro-tipos {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }

    .filtro-btn {
      padding: 7px 14px;
      border: 1.5px solid var(--linha);
      border-radius: 999px;
      background: #fff;
      color: var(--cinza);
      font-size: 0.82rem;
      font-family: 'Space Grotesk', sans-serif;
      font-weight: 600;
      cursor: pointer;
      transition: 0.15s;
    }

    .filtro-btn:hover {
      border-color: var(--ciano);
      color: var(--azul);
    }

    .filtro-btn.ativo {
      background: var(--ciano);
      border-color: var(--ciano);
      color: var(--azul);
    }

    .ensino-vazio {
      text-align: center;
      color: var(--cinza);
      padding: 32px;
      font-size: 0.95rem;
    }

    .disc-pdf-card {
      padding: 20px 22px;
      border-bottom: 1px solid var(--linha);
    }

    .disc-pdf-card:last-child { border-bottom: none; }

    .disc-pdf-head {
      display: flex;
      justify-content: space-between;
      gap: 16px;
      align-items: flex-start;
      margin-bottom: 14px;
    }

    .disc-pdf-head strong {
      display: block;
      font-family: 'Space Grotesk', sans-serif;
      font-size: 1rem;
      margin-bottom: 2px;
    }

    .disc-pdf-head span {
      color: var(--cinza);
      font-size: 0.9rem;
    }

    .pdf-lista {
      display: grid;
      gap: 10px;
    }

    .pdf-item {
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 12px;
      align-items: center;
      padding: 12px 14px;
      background: var(--fundo);
      border: 1px solid var(--linha);
      border-radius: 14px;
    }

    .pdf-item-info strong {
      display: block;
      font-size: 0.92rem;
      margin-bottom: 2px;
    }

    .pdf-item-info span {
      color: var(--cinza);
      font-size: 0.82rem;
    }

    .pdf-btn {
      display: inline-block;
      padding: 7px 14px;
      border-radius: 999px;
      background: var(--ciano);
      color: var(--azul);
      font-size: 0.82rem;
      font-weight: 700;
      font-family: 'Space Grotesk', sans-serif;
      text-decoration: none;
      white-space: nowrap;
      transition: 0.15s;
    }

    .pdf-btn:hover {
      background: #02caf5;
      transform: translateY(-1px);
    }

    .sem-pdf {
      padding: 12px 14px;
      background: var(--fundo);
      border: 1px dashed var(--linha);
      border-radius: 14px;
      color: var(--cinza);
      font-size: 0.9rem;
    }

    @media (max-width: 580px) {
      .pdf-item { grid-template-columns: 1fr; }
      .pdf-btn { text-align: center; }
    }



    /* ── Dropdown das disciplinas ── */
    .disc-dropdown {
      border-bottom: 1px solid var(--linha);
      background: #fff;
    }

    .disc-dropdown:last-child {
      border-bottom: none;
    }

    .disc-toggle {
      display: flex;
      justify-content: space-between;
      gap: 16px;
      align-items: center;
      padding: 18px 22px;
      cursor: pointer;
      user-select: none;
      transition: background 0.15s;
    }

    .disc-toggle:hover {
      background: #F0F9FF;
    }

    .disc-toggle strong {
      display: block;
      font-family: 'Space Grotesk', sans-serif;
      font-size: 1rem;
      margin-bottom: 2px;
    }

    .disc-toggle span:not(.chevron) {
      color: var(--cinza);
      font-size: 0.9rem;
    }

    .disc-toggle .chevron {
      color: var(--cinza);
      font-size: 0.95rem;
      transition: transform 0.25s;
      flex-shrink: 0;
    }

    .disc-body {
      display: none;
      padding: 0 22px 20px;
    }

    .disc-dropdown.aberto .disc-body {
      display: block;
    }

    .disc-dropdown.aberto .chevron {
      transform: rotate(180deg);
    }

    /* ── Cursos ── */
    .cursos-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
      gap: 24px;
    }

    .curso-card {
      background: #fff;
      border: 1px solid var(--linha);
      border-radius: 20px;
      padding: 28px;
      display: flex;
      gap: 20px;
      align-items: flex-start;
      box-shadow: 0 4px 16px rgba(15,23,42,0.05);
      transition: transform 0.2s, box-shadow 0.2s;
    }

    .curso-card:hover {
      transform: translateY(-3px);
      box-shadow: 0 10px 28px rgba(15,23,42,0.09);
    }

    .curso-icone {
      font-size: 2.4rem;
      flex-shrink: 0;
      line-height: 1;
      margin-top: 2px;
    }

    .curso-info { display: flex; flex-direction: column; gap: 10px; min-width: 0; }

    .curso-info h3 { font-size: 1.1rem; margin: 0; }

    .curso-info p { color: var(--cinza); font-size: 0.92rem; line-height: 1.65; margin: 0; }

    .curso-meta { display: flex; flex-wrap: wrap; gap: 8px; }

    .curso-tag {
      font-size: 0.78rem;
      font-weight: 600;
      font-family: 'Space Grotesk', sans-serif;
      background: var(--fundo);
      border: 1px solid var(--linha);
      color: var(--cinza);
      padding: 4px 10px;
      border-radius: 999px;
    }

    @media (max-width: 580px) {
      .curso-card { flex-direction: column; gap: 12px; }
    }

    /* ── Pesquisa ── */
    .artigos-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
      gap: 20px;
    }

    .artigo-card {
      background: #fff;
      border: 1px solid var(--linha);
      border-top: 4px solid var(--ciano);
      border-radius: 16px;
      padding: 24px;
      display: flex;
      flex-direction: column;
      gap: 10px;
      box-shadow: 0 4px 16px rgba(15,23,42,0.05);
      transition: transform 0.2s, box-shadow 0.2s;
    }

    .artigo-card:hover {
      transform: translateY(-3px);
      box-shadow: 0 10px 28px rgba(15,23,42,0.09);
    }

    .artigo-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      align-items: center;
    }

    .artigo-ano {
      font-size: 0.78rem;
      font-weight: 700;
      color: var(--cinza);
      font-family: 'Space Grotesk', sans-serif;
    }

    .artigo-venue {
      font-size: 0.78rem;
      font-weight: 700;
      padding: 3px 10px;
      border-radius: 999px;
      background: rgba(0,180,216,0.1);
      color: #1B6CA8;
      font-family: 'Space Grotesk', sans-serif;
    }

    .artigo-card h3 {
      font-size: 1rem;
      line-height: 1.4;
      margin: 0;
    }

    .artigo-autores {
      color: var(--cinza);
      font-size: 0.85rem;
      font-style: italic;
    }

    .artigo-card p {
      color: var(--cinza);
      font-size: 0.9rem;
      line-height: 1.65;
      flex: 1;
    }

    .artigo-btn {
      display: inline-block;
      margin-top: 4px;
      padding: 7px 16px;
      border-radius: 999px;
      background: var(--ciano);
      color: var(--azul);
      font-size: 0.8rem;
      font-weight: 700;
      font-family: 'Space Grotesk', sans-serif;
      text-decoration: none;
      width: fit-content;
      transition: 0.15s;
    }

    .artigo-btn:hover { background: #02caf5; transform: translateY(-1px); }

    /* ── Badges de status (artigos e projetos) ── */
    .pesquisa-status {
      font-size: 0.72rem;
      font-weight: 700;
      font-family: 'Space Grotesk', sans-serif;
      padding: 3px 10px;
      border-radius: 999px;
    }

    .status-publicado  { background: #DCFCE7; color: #166534; }
    .status-preprint   { background: #DBEAFE; color: #1E40AF; }
    .status-revisao    { background: #FEF3C7; color: #B45309; }
    .status-andamento  { background: #EDE9FE; color: #5B21B6; }
    .status-coleta     { background: #DBEAFE; color: #1D4ED8; }
    .status-analise    { background: #FEF3C7; color: #92400E; }
    .status-escrita    { background: #F3E8FF; color: #6B21A8; }

    /* ── Projetos em andamento ── */
    .pesquisa-projetos {
      margin-top: 56px;
      padding-top: 40px;
      border-top: 1px solid var(--linha);
    }

    .pesquisa-subtitulo {
      font-family: 'Space Grotesk', sans-serif;
      font-size: 1.1rem;
      font-weight: 700;
      color: var(--azul);
      margin-bottom: 24px;
    }

    .projetos-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
      gap: 24px;
    }

    .projeto-card {
      background: #fff;
      border: 1.5px solid var(--linha);
      border-radius: 20px;
      padding: 28px;
      display: flex;
      flex-direction: column;
      gap: 10px;
      transition: box-shadow 0.2s, transform 0.2s;
    }

    .projeto-card:hover {
      box-shadow: 0 8px 24px rgba(0,0,0,0.08);
      transform: translateY(-2px);
    }

    .projeto-card h3 {
      font-family: 'Space Grotesk', sans-serif;
      font-size: 1rem;
      font-weight: 700;
      color: var(--azul);
      line-height: 1.4;
    }

    .projeto-card p {
      color: var(--cinza);
      font-size: 0.9rem;
      line-height: 1.6;
      flex: 1;
    }

    /* ── Badge disponibilidade ── */
    .disponibilidade-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: #DCFCE7;
      border: 1.5px solid #86EFAC;
      color: #166534;
      padding: 8px 18px;
      border-radius: 999px;
      font-size: 0.85rem;
      font-weight: 700;
      font-family: 'Space Grotesk', sans-serif;
      margin-bottom: 28px;
    }

    .disponibilidade-badge::before {
      content: '';
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: #22C55E;
      animation: pulso 1.8s ease-in-out infinite;
      flex-shrink: 0;
    }

    @keyframes pulso {
      0%, 100% { opacity: 1; transform: scale(1); }
      50%       { opacity: 0.5; transform: scale(0.75); }
    }

    /* ── Palestras ── */
    .palestras-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
      gap: 20px;
    }

    .palestra-card {
      background: #fff;
      border: 1px solid var(--linha);
      border-radius: 20px;
      padding: 26px;
      box-shadow: 0 4px 16px rgba(15,23,42,0.05);
      display: flex;
      flex-direction: column;
      gap: 12px;
      transition: transform 0.2s, box-shadow 0.2s;
    }

    .palestra-card:hover {
      transform: translateY(-3px);
      box-shadow: 0 10px 28px rgba(15,23,42,0.09);
    }

    .palestra-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      align-items: center;
    }

    .palestra-data {
      font-size: 0.78rem;
      font-weight: 700;
      color: var(--cinza);
      font-family: 'Space Grotesk', sans-serif;
    }

    .palestra-evento {
      font-size: 0.78rem;
      font-weight: 700;
      padding: 3px 10px;
      border-radius: 999px;
      background: rgba(0,180,216,0.1);
      color: #1B6CA8;
      font-family: 'Space Grotesk', sans-serif;
    }

    .palestra-card h3 {
      font-size: 1.05rem;
      line-height: 1.35;
      margin: 0;
    }

    .palestra-card p {
      color: var(--cinza);
      font-size: 0.92rem;
      line-height: 1.65;
      flex: 1;
    }

    .palestra-btns {
      display: flex;
      gap: 8px;
      flex-wrap: wrap;
      margin-top: 4px;
    }

    .palestra-btn {
      display: inline-block;
      padding: 6px 14px;
      border-radius: 999px;
      font-size: 0.8rem;
      font-weight: 700;
      font-family: 'Space Grotesk', sans-serif;
      text-decoration: none;
      transition: 0.15s;
    }

    .palestra-btn.slides { background: var(--ciano); color: var(--azul); }
    .palestra-btn.slides:hover { background: #02caf5; transform: translateY(-1px); }
    .palestra-btn.video { border: 1.5px solid #1B6CA8; color: #1B6CA8; }
    .palestra-btn.video:hover { background: rgba(27,108,168,0.08); transform: translateY(-1px); }
    .palestra-btn.contratar { background: #25D366; color: #fff; margin-top: auto; }
    .palestra-btn.contratar:hover { background: #1ebe5a; transform: translateY(-1px); }

    /* ── Contato ── */
    .contato-item {
      background: #fff;
      border: 1px solid var(--linha);
      border-radius: 16px;
      padding: 22px 24px;
      display: flex;
      align-items: center;
      gap: 14px;
      text-decoration: none;
      color: var(--azul);
      transition: 0.2s;
    }

    .contato-item:hover {
      border-color: var(--ciano);
      transform: translateY(-2px);
      box-shadow: 0 8px 20px rgba(0,180,216,0.12);
    }

    .contato-item .ico { font-size: 1.8rem; }
    .contato-item strong { display: block; font-size: 0.9rem; margin-bottom: 2px; }
    .contato-item span { font-size: 0.85rem; color: var(--cinza); }

    /* ── Animações de entrada ── */
    .fade-in {
      opacity: 0;
      transform: translateY(24px);
      transition: opacity 0.55s ease, transform 0.55s ease;
    }
    .fade-in.visivel {
      opacity: 1;
      transform: translateY(0);
    }

    /* ── Voltar ao topo ── */
    #topo-btn {
      position: fixed;
      bottom: 32px;
      right: 32px;
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: var(--ciano);
      color: var(--azul);
      border: none;
      font-size: 1.1rem;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 4px 16px rgba(0,180,216,0.35);
      opacity: 0;
      pointer-events: none;
      transform: translateY(12px);
      transition: opacity 0.3s, transform 0.3s;
      z-index: 200;
    }

    #topo-btn.visivel {
      opacity: 1;
      pointer-events: auto;
      transform: translateY(0);
    }

    #topo-btn:hover { background: #02caf5; transform: translateY(-2px); }

    /* ── Botão flutuante WhatsApp ── */
    #whatsapp-btn {
      position: fixed;
      bottom: 32px;
      left: 32px;
      width: 52px;
      height: 52px;
      border-radius: 50%;
      background: #25D366;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 4px 20px rgba(37,211,102,0.45);
      transition: transform 0.2s, box-shadow 0.2s;
      z-index: 200;
    }

    #whatsapp-btn:hover {
      transform: translateY(-3px);
      box-shadow: 0 8px 28px rgba(37,211,102,0.55);
    }

    /* ── Formulário de contato ── */
    .contato-layout {
      display: grid;
      grid-template-columns: 1fr 1.4fr;
      gap: 48px;
      align-items: start;
    }

    .contato-canais { display: flex; flex-direction: column; gap: 14px; }

    .contato-form {
      background: var(--fundo);
      border: 1px solid var(--linha);
      border-radius: 20px;
      padding: 32px;
    }

    .contato-form h3 {
      font-size: 1.1rem;
      margin-bottom: 20px;
    }

    .form-grupo { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }

    .form-grupo label {
      font-size: 0.85rem;
      font-weight: 600;
      font-family: 'Space Grotesk', sans-serif;
      color: var(--azul);
    }

    .form-grupo input,
    .form-grupo textarea {
      padding: 10px 14px;
      border: 1.5px solid var(--linha);
      border-radius: 10px;
      font-family: 'Inter', sans-serif;
      font-size: 0.92rem;
      color: var(--azul);
      background: #fff;
      transition: border-color 0.2s;
      outline: none;
      resize: vertical;
    }

    .form-grupo input:focus,
    .form-grupo textarea:focus { border-color: var(--ciano); }

    .form-grupo textarea { min-height: 110px; }

    .form-submit {
      width: 100%;
      padding: 12px;
      background: var(--ciano);
      color: var(--azul);
      border: none;
      border-radius: 999px;
      font-family: 'Space Grotesk', sans-serif;
      font-size: 0.95rem;
      font-weight: 700;
      cursor: pointer;
      transition: 0.2s;
      margin-top: 4px;
    }

    .form-submit:hover { background: #02caf5; transform: translateY(-2px); }

    .form-aviso {
      font-size: 0.8rem;
      color: var(--cinza);
      margin-top: 10px;
      text-align: center;
    }

    @media (max-width: 860px) {
      .contato-layout { grid-template-columns: 1fr; }
    }

    /* ── Footer ── */
    footer {
      background: #07111F;
      color: #94A3B8;
      text-align: center;
      padding: 24px 8%;
      font-size: 0.88rem;
    }

    footer strong { color: #fff; }

    /* ── Responsive ── */
    @media (max-width: 860px) {
      .hero { grid-template-columns: 1fr; }
      .hero-photo { display: none; }
      .cards { grid-template-columns: 1fr 1fr; }
    }

    @media (max-width: 580px) {
      .cards { grid-template-columns: 1fr; }
      section, .hero, header { padding-left: 6%; padding-right: 6%; }
      nav.links { display: none; flex-direction: column; width: 100%; }
      nav.links.aberto { display: flex; }
      header { flex-wrap: wrap; gap: 12px; }
      .hamburger { display: flex; }
    }

/* ── Sobre ── */
.sobre-grid {
  display: grid;
  grid-template-columns: minmax(240px, 320px) 1fr;
  gap: 40px;
  align-items: start;
}

.sobre-foto {
  width: 100%;
  max-width: 320px;
  justify-self: center;
}

.sobre-foto img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 24px;
  box-shadow: 0 20px 40px rgba(0,0,0,.18);
  border: 3px solid rgba(0,180,216,.22);
}

.sobre-content {
  min-width: 0;
}

.sobre-content h3 {
  font-size: 2rem;
  margin-bottom: 8px;
}

.sobre-content h4 {
  color: #1B6CA8;
  margin-bottom: 20px;
  font-size: 1.1rem;
}

.sobre-content p {
  margin-bottom: 18px;
  color: #64748B;
  line-height: 1.8;
}

.skills-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

.skills-badges span {
  background: #E0F2FE;
  color: #0C4A6E;
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
}

.sobre-links {
  display: flex;
  gap: 12px;
  margin-top: 24px;
  flex-wrap: wrap;
}

/* ── Contadores ── */
.sobre-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 56px;
  padding-top: 40px;
  border-top: 1px solid var(--linha);
}

.stat-item {
  text-align: center;
}

.stat-num {
  display: block;
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  color: var(--ciano);
  line-height: 1;
  margin-bottom: 8px;
}

.stat-label {
  color: var(--cinza);
  font-size: 0.88rem;
  line-height: 1.4;
}

@media (max-width: 580px) {
  .sobre-stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
}

@media (max-width: 860px) {
  .sobre-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .sobre-foto {
    max-width: 280px;
  }
}

@media (max-width: 580px) {
  .sobre-foto {
    max-width: 240px;
  }
}