* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Roboto, system-ui, -apple-system, sans-serif;
        }

        body {
            background-color: #f4f9fc;
            color: #1e2f3d;
            line-height: 1.5;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* cabeçalho */
        .navbar {
            background: #0b2a3b;
            padding: 18px 0;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
        }

        .navbar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .logo i {
            font-size: 2.2rem;
            color: #6bc3e0;
        }

        .logo h1 {
            color: white;
            font-weight: 600;
            font-size: 2rem;
            letter-spacing: -0.5px;
        }

        .logo span {
            color: #6bc3e0;
            font-weight: 300;
        }

        .nav-links {
            display: flex;
            gap: 32px;
            list-style: none;
        }

        .nav-links a {
            color: #e6f3f8;
            text-decoration: none;
            font-weight: 500;
            font-size: 1.05rem;
            transition: color 0.2s;
        }

        .nav-links a:hover {
            color: #7fd1f0;
        }

        .btn-contato-top {
            background: #28a7d9;
            padding: 10px 22px;
            border-radius: 40px;
            color: white !important;
            font-weight: 600;
            transition: 0.2s;
            box-shadow: 0 4px 8px rgba(40, 167, 217, 0.3);
        }

        .btn-contato-top:hover {
            background: #1d8bb8;
            transform: scale(1.02);
        }

        /* hero */
        .hero {
            padding: 60px 0 40px;
            background: linear-gradient(145deg, #eaf6fb 0%, #d6ecf5 100%);
        }

        .hero-grid {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 40px;
        }

        .hero-text {
            flex: 1 1 300px;
        }

        .hero-text h2 {
            font-size: 2.8rem;
            font-weight: 700;
            color: #0b2a3b;
            line-height: 1.2;
        }

        .hero-text h2 i {
            color: #1f8db0;
            margin-right: 6px;
        }

        .hero-text p {
            font-size: 1.2rem;
            margin: 24px 0 32px;
            color: #1f3b4a;
            max-width: 500px;
        }

        .hero-badge {
            display: inline-block;
            background: #0b2a3b;
            color: white;
            padding: 14px 28px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1.1rem;
            box-shadow: 0 6px 14px rgba(11, 42, 59, 0.25);
        }

        .hero-badge i {
            color: #6bc3e0;
            margin-right: 10px;
        }

        .hero-image {
            flex: 1 1 300px;
            display: flex;
            justify-content: center;
        }

        .hero-image img {
            width: 100%;
            max-width: 440px;
            border-radius: 36px;
            box-shadow: 0 20px 40px rgba(0, 30, 50, 0.2);
            object-fit: cover;
            aspect-ratio: 4/3;
            background: #b6d6e6;
        }

        /* seção serviços */
        .servicos {
            padding: 70px 0 60px;
            background: white;
        }

        .section-title {
            text-align: center;
            font-size: 2.2rem;
            font-weight: 600;
            color: #0b2a3b;
            margin-bottom: 16px;
        }

        .section-sub {
            text-align: center;
            color: #3d5b6b;
            max-width: 700px;
            margin: 0 auto 48px;
            font-size: 1.1rem;
        }

        .cards {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 30px;
        }

        .card-serv {
            background: #f7fbfe;
            padding: 32px 18px;
            border-radius: 32px;
            box-shadow: 0 6px 18px rgba(0, 40, 60, 0.06);
            text-align: center;
            transition: 0.3s;
            border: 1px solid #e2eff6;
        }

        .card-serv:hover {
            transform: translateY(-6px);
            border-color: #6bc3e0;
            box-shadow: 0 14px 28px rgba(40, 167, 217, 0.12);
        }

        .card-serv i {
            font-size: 2.6rem;
            color: #1f8db0;
            margin-bottom: 16px;
        }

        .card-serv h3 {
            font-size: 1.4rem;
            margin-bottom: 12px;
            color: #0b2a3b;
        }

        .card-serv p {
            color: #2b4a5a;
            font-size: 0.95rem;
        }

        /* galeria (fotos) */
        .galeria {
            padding: 60px 0 70px;
            background: #eef6fa;
        }

        .galeria-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 28px;
            margin-top: 20px;
        }

        .galeria-item {
            border-radius: 28px;
            overflow: hidden;
            background: white;
            box-shadow: 0 8px 20px rgba(0, 30, 50, 0.08);
            transition: 0.25s;
            aspect-ratio: 1 / 1;
            display: flex;
            align-items: center;
            justify-content: center;
            background-color: #d9e8f0;
            border: 2px dashed #9abccd;
        }

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

        .galeria-placeholder {
            display: flex;
            flex-direction: column;
            align-items: center;
            color: #1f5f78;
            font-weight: 500;
            gap: 6px;
        }

        .galeria-placeholder i {
            font-size: 3.2rem;
            color: #3e8ba3;
            opacity: 0.6;
        }

        .galeria-placeholder span {
            font-size: 0.9rem;
            background: rgba(255,255,255,0.6);
            padding: 4px 16px;
            border-radius: 40px;
        }

        /* depoimentos */
        .depoimentos {
            background: white;
            padding: 60px 0;
        }

        .depo-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 30px;
            margin-top: 20px;
        }

        .depo-card {
            background: #f4faff;
            padding: 28px 22px;
            border-radius: 30px;
            border-left: 6px solid #28a7d9;
            box-shadow: 0 4px 12px rgba(0,0,0,0.02);
        }

        .depo-card i {
            color: #28a7d9;
            font-size: 1.6rem;
            opacity: 0.5;
            margin-bottom: 6px;
        }

        .depo-card p {
            font-style: italic;
            font-size: 1rem;
            color: #1c3b4a;
        }

        .depo-card strong {
            display: block;
            margin-top: 14px;
            color: #0b2a3b;
        }

        /* contato / cta */
        .contato {
            background: #0b2a3b;
            padding: 70px 0 60px;
            color: white;
        }

        .contato-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 50px;
            align-items: center;
        }

        .contato-info {
            flex: 1 1 280px;
        }

        .contato-info h2 {
            font-size: 2.2rem;
            margin-bottom: 16px;
        }

        .contato-info h2 i {
            color: #6bc3e0;
        }

        .contato-info p {
            font-size: 1.1rem;
            opacity: 0.9;
            max-width: 400px;
        }

        .contato-info .detalhes {
            margin-top: 24px;
        }

        .detalhes i {
            width: 32px;
            color: #6bc3e0;
        }

        .contato-form {
            flex: 1 1 320px;
            background: #143543;
            padding: 36px 32px;
            border-radius: 40px;
            box-shadow: 0 12px 30px rgba(0,0,0,0.3);
        }

        .contato-form input,
        .contato-form textarea {
            width: 100%;
            padding: 14px 16px;
            margin-bottom: 16px;
            border: none;
            border-radius: 60px;
            background: #1f4457;
            color: white;
            font-size: 1rem;
            outline: none;
        }

        .contato-form input::placeholder,
        .contato-form textarea::placeholder {
            color: #b0cfdf;
            opacity: 0.7;
        }

        .contato-form textarea {
            border-radius: 24px;
            resize: vertical;
            min-height: 100px;
        }

        .contato-form button {
            background: #28a7d9;
            border: none;
            padding: 16px 32px;
            border-radius: 60px;
            font-weight: 700;
            font-size: 1.1rem;
            color: #0b2a3b;
            width: 100%;
            cursor: pointer;
            transition: 0.2s;
            box-shadow: 0 6px 14px rgba(40, 167, 217, 0.3);
        }

        .contato-form button:hover {
            background: #4dbbe7;
            transform: scale(1.01);
        }

        /* rodapé */
        .footer {
            background: #051a24;
            color: #b0d0df;
            padding: 28px 0;
            text-align: center;
            border-top: 1px solid #1b4458;
        }

        .footer i {
            color: #6bc3e0;
            margin: 0 6px;
        }

        /* responsivo */
        @media (max-width: 700px) {
            .navbar .container {
                flex-direction: column;
                gap: 14px;
            }
            .nav-links {
                flex-wrap: wrap;
                justify-content: center;
                gap: 16px;
            }
            .hero-text h2 {
                font-size: 2.2rem;
            }
            .hero-grid {
                flex-direction: column-reverse;
            }
            .galeria-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 480px) {
            .galeria-grid {
                grid-template-columns: 1fr;
            }
            .contato-form {
                padding: 24px 18px;
            }
        }
        /* Estilização do botão */
.whatsapp-btn {
  position: fixed;        /* Fixa o botão na tela ao rolar a página */
  bottom: 20px;           /* Distância da borda inferior */
  right: 20px;            /* Distância da borda direita */
  background-color: #25d366; /* Verde oficial do WhatsApp */
  color: white;
  border-radius: 50%;     /* Deixa o botão redondo */
  width: 60px;
  height: 60px;
  display: flex;
  justify-content: center;
  align-items: center;
  box-shadow: 2px 2px 10px rgba(0, 0, 0, 0.2); /* Sombra para dar destaque */
  z-index: 9999;          /* Garante que ficará por cima de outros elementos */
  transition: transform 0.3s ease;
}

/* Efeito ao passar o mouse */
.whatsapp-btn:hover {
  transform: scale(1.1);  /* Aumenta levemente de tamanho */
}