:root {
      --azul-profundo: #062c56;
      --azul-logo: #0b3d70;
      --azul-ceu: #39a9e8;
      --verde-floresta: #2f7d32;
      --dourado: #f6b51b;
      --branco: #ffffff;
      --texto: #102a43;
      --sombra: 0 10px 30px rgba(6, 44, 86, 0.16);
    }

    body.dark-mode {
      --branco: #102a43;
      --texto: #e6f4ff;
      --azul-profundo: #d9efff;
      --azul-logo: #75c8f2;
      --sombra: 0 10px 30px rgba(0, 0, 0, 0.3);
      background: #071a2c;
    }

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

    body {
      font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont,
        "Segoe UI", sans-serif;
      background: #f5fbff;
      color: var(--texto);
      transition: background 0.45s ease, color 0.45s ease;
    }

    header,
    .service-option,
    .carousel,
    .whatsapp-link {
      transition: background-color 0.45s ease, border-color 0.45s ease,
        color 0.45s ease, box-shadow 0.45s ease;
    }

    header {
      position: sticky;
      top: 0;
      z-index: 10;
      background: var(--branco);
      box-shadow: 0 8px 24px rgba(6, 44, 86, 0.12);
    }
        
    header::before {
      content: "";
      display: block;
      height: 5px;
      background: linear-gradient(90deg, #062c56, #39a9e8, #2f7d32, #f6b51b);
    }

    header > section {
      width: min(1180px, calc(100% - 40px));
      margin: 0 auto;
    }

    header > section:first-child {
      display: flex;
      align-items: center;
      justify-content: space-between;
      min-height: 92px;
    }

    header > section:first-child > div:first-child {
      display: flex;
      align-items: center;
      gap: 14px;
    }

    header img {
      display: block;
      width: 76px;
      height: 76px;
      object-fit: contain;
    }

    .brand-text {
      display: flex;
      flex-direction: column;
      line-height: 1.05;
    }

    .brand-text strong {
      color: var(--azul-profundo);
      font-size: 1.15rem;
      letter-spacing: 0.03em;
    }

    .brand-text span {
      margin-top: 6px;
      color: var(--verde-floresta);
      font-size: 0.74rem;
      font-weight: 700;
      letter-spacing: 0.08em;
      text-transform: uppercase;
    }

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

    .theme-toggle,
    .menu-toggle {
      border: 1px solid #b9d2e3;
      cursor: pointer;
      font: inherit;
      font-weight: 700;
    }

    .theme-toggle {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      border-radius: 999px;
      background: transparent;
      color: var(--azul-profundo);
      font-size: 0.85rem;
      padding: 8px 12px;
    }

    .menu-toggle {
      display: none;
      border-radius: 10px;
      background: var(--azul-profundo);
      color: var(--branco);
      font-size: 1.35rem;
      padding: 8px 11px;
    }

    header > section:nth-child(2) {
      border-top: 1px solid #e1edf4;
    }

    nav {
      display: flex;
      align-items: center;
      justify-content: space-between;
      min-height: 58px;
    }

    nav ul {
      display: flex;
      align-items: center;
      gap: 32px;
      list-style: none;
    }

    nav a {
      position: relative;
      display: inline-block;
      color: var(--azul-profundo);
      font-size: 0.94rem;
      font-weight: 700;
      padding: 20px 0;
      text-decoration: none;
      transition: color 0.2s ease;
    }

    nav a::after {
      position: absolute;
      right: 0;
      bottom: 11px;
      left: 0;
      height: 3px;
      border-radius: 3px;
      background: var(--dourado);
      content: "";
      transform: scaleX(0);
      transition: transform 0.2s ease;
    }

    nav a:hover,
    nav a:focus-visible {
      color: var(--azul-ceu);
    }

    nav a:hover::after,
    nav a:focus-visible::after {
      transform: scaleX(1);
    }

    .cta {
      border-radius: 999px;
      background: var(--dourado);
      color: #15314b !important;
      padding: 12px 20px !important;
      box-shadow: 0 5px 12px rgba(246, 181, 27, 0.25);
      transition: transform 0.2s ease, background 0.2s ease;
    }

    .cta::after {
      display: none;
    }

    .cta:hover,
    .cta:focus-visible {
      background: #ffc83d;
      color: #102a43 !important;
      transform: translateY(-2px);
    }

    @media (max-width: 760px) {
      header > section {
        width: min(100% - 28px, 1180px);
      }

      header > section:first-child {
        min-height: 78px;
      }

      header img {
        width: 60px;
        height: 60px;
      }

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

      .brand-text span,
      .theme-label {
        display: none;
      }

      .theme-toggle {
        width: 38px;
        height: 38px;
        justify-content: center;
        padding: 0;
      }

      .menu-toggle {
        display: inline-flex;
      }

      header > section:nth-child(2) {
        display: none;
      }

      header > section:nth-child(2).open {
        display: block;
      }

      nav,
      nav ul {
        align-items: stretch;
        flex-direction: column;
      }

      nav ul {
        gap: 0;
        padding: 8px 0 14px;
      }

      nav a {
        display: block;
        padding: 12px 4px;
      }

      .cta {
        margin: 8px 0 14px;
        text-align: center;
      }
    }


    main {
      width: min(1140px, calc(100% - 48px));
      margin: 0 auto;
      padding: 22px 0 52px;
    }

    .cataratas-layout {
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 30px;
    }

    .carousel {
      position: relative;
      width: min(100%, 820px);
      overflow: hidden;
      border-radius: 18px;
      background: transparent;
      box-shadow: var(--sombra);
    }

    .carousel-track {
      display: flex;
      transition: transform 0.55s cubic-bezier(0.22, 0.61, 0.36, 1);
    }

    .slide {
      position: relative;
      flex: 0 0 100%;
      aspect-ratio: 4 / 3;
      overflow: hidden;
      background: transparent;
    }

    .slide img {
      display: block;
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .slide figcaption {
      position: absolute;
      right: 18px;
      bottom: 18px;
      left: 18px;
      border-radius: 10px;
      background: rgba(3, 28, 54, 0.68);
      color: #ffffff;
      font-size: 0.82rem;
      padding: 8px 12px;
      backdrop-filter: blur(5px);
    }

    .carousel-button {
      position: absolute;
      top: 50%;
      display: grid;
      width: 42px;
      height: 42px;
      place-items: center;
      border: 1px solid rgba(255, 255, 255, 0.72);
      border-radius: 50%;
      background: rgba(3, 28, 54, 0.62);
      color: #ffffff;
      cursor: pointer;
      font-size: 1.55rem;
      transform: translateY(-50%);
      transition: background 0.2s ease, transform 0.2s ease;
      z-index: 2;
    }

    .carousel-button:hover,
    .carousel-button:focus-visible {
      background: var(--azul-logo);
      transform: translateY(-50%) scale(1.08);
    }

    .carousel-button.previous {
      left: 16px;
    }

    .carousel-button.next {
      right: 16px;
    }

    .carousel-dots {
      position: absolute;
      right: 0;
      bottom: 18px;
      left: 0;
      display: flex;
      justify-content: center;
      gap: 8px;
      z-index: 2;
    }

    .carousel-dot {
      width: 9px;
      height: 9px;
      border: 0;
      border-radius: 50%;
      background: rgba(255, 255, 255, 0.58);
      cursor: pointer;
      transition: width 0.2s ease, background 0.2s ease;
    }

    .carousel-dot.active {
      width: 26px;
      border-radius: 999px;
      background: var(--dourado);
    }

    .content {
      width: min(100%, 820px);
      margin: 0 auto;
      padding: 2px 0;
    }

    .content .eyebrow {
      color: var(--verde-floresta);
      font-size: 0.8rem;
      font-weight: 800;
      letter-spacing: 0.14em;
      text-transform: uppercase;
    }

    .content h2 {
      margin: 6px 0 12px;
      color: var(--azul-profundo);
      font-size: clamp(2rem, 4vw, 3.25rem);
      line-height: 1.05;
    }

    .content p {
      margin-top: 9px;
    }

    .service-options {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 12px;
      margin-top: 18px;
    }

    .service-option {
      border: 1px solid #d9e9f2;
      border-radius: 14px;
      background: var(--branco);
      padding: 15px;
      box-shadow: 0 8px 20px rgba(6, 44, 86, 0.06);
    }

    body.dark-mode header > section:nth-child(2),
    body.dark-mode .service-option {
      border-color: #315675;
    }

    .service-option h3 {
      color: var(--azul-logo);
      font-size: 1rem;
      line-height: 1.2;
    }

    .service-option p {
      margin-top: 8px;
      color: var(--muted);
      font-size: 0.92rem;
      line-height: 1.55;
    }

    .closing {
      margin-top: 14px !important;
      color: var(--azul-profundo);
      font-weight: 700;
    }

    .whatsapp-link {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      margin-top: 18px;
      margin-right: auto;
      margin-left: auto;
      border-radius: 999px;
      background: #25d366;
      color: var(--branco);
      font-weight: 800;
      padding: 13px 20px;
      text-decoration: none;
      transition: background 0.2s ease, transform 0.2s ease;
    }

    .whatsapp-link:hover,
    .whatsapp-link:focus-visible {
      background: #1ebe5d;
      transform: translateY(-3px);
    }

    .whatsapp-link img {
      width: 20px;
      height: 20px;
    }

    @media (max-width: 860px) {
      .content {
        max-width: 760px;
        margin: 0 auto;
      }
    }

    @media (max-width: 540px) {
      main {
        width: min(100% - 28px, 1180px);
        padding-top: 18px;
      }

      .page-header {
        padding-top: 22px;
      }

      .carousel {
        border-radius: 18px;
      }

      .service-options {
        grid-template-columns: 1fr;
      }

      .carousel-button {
        width: 36px;
        height: 36px;
      }
    }