/* Reset básico e fonte */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Poppins", sans-serif;
}

/* Fundo do body com gradiente suave horizontal: verde claro na esquerda, azul claro na direita */
body {
    background: linear-gradient(90deg, #e0f7e0 0%, #80c1ff 100%);
    color: #333;
    animation: fadeIn 1s ease-in-out;
}

/* Animação de entrada suave */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ===== HEADER ===== */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 40px;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    box-shadow: 0 3px 15px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 10;
    border-bottom: 1px solid rgba(255, 255, 255, 0.5);
}

.logo-area {
    display: flex;
    align-items: center;
    gap: 15px;
}

#logotipo {
    width: 60px;
    transition: transform 0.3s;
}

#logotipo:hover {
    transform: scale(1.05);
}

.titulo-site {
    font-size: 28px;
    font-weight: 700;
}

.menu {
    display: flex;
    gap: 25px;
    list-style: none;
}

.menu a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: all 0.3s;
    position: relative;
}

.menu a:hover,
.menu a.ativo {
    color: #008cff;
}

.menu a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background: #008cff;
    transition: width 0.3s;
}

.menu a:hover::after,
.menu a.ativo::after {
    width: 100%;
}

/* ===== CONTEÚDO PRINCIPAL ===== */
.viagens-container {
    max-width: 1200px;
    margin: 60px auto;
    padding: 40px 25px;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(20px);
    border: 2px solid rgba(255, 255, 255, 0.4);
    border-radius: 18px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.1), inset 0 1px 0 rgba(255,255,255,0.3);
    text-align: center;
    animation: slideUp 0.8s ease-out;
}

/* Animação de deslizamento para o container */
@keyframes slideUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

.titulo-viagens {
    font-size: 36px;
    font-weight: 700;
    color: #008cff;
    margin-bottom: 15px;
    text-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.texto-viagens {
    font-size: 18px;
    color: #555;
    max-width: 700px;
    margin: 0 auto 40px auto;
}

/* ===== CARDS ===== */
.cards {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
}

.card {
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.4);
    width: 280px;
    padding: 20px;
    border-radius: 12px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.15), inset 0 1px 0 rgba(255,255,255,0.3);
    transition: all 0.3s;
    text-align: left;
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.2), inset 0 1px 0 rgba(255,255,255,0.4);
}

.card img {
    width: 100%;
    border-radius: 10px;
    height: 180px;
    object-fit: cover;
}

.card h3 {
    margin-top: 15px;
    font-size: 22px;
    color: #008cff;
}

.card p {
    margin-top: 10px;
    color: #555;
    font-size: 14px;
}

.btn-reservar {
    display: inline-block;
    margin-top: 15px;
    padding: 10px 20px;
    background: linear-gradient(135deg, #00aaff, #e7ee63);
    color: white;
    border: none;
    border-radius: 8px;
    font-weight: bold;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s;
    width: 100%;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0,170,255,0.3);
}

.btn-reservar:hover {
    opacity: 0.9;
    transform: scale(1.05);
    box-shadow: 0 6px 20px rgba(0,170,255,0.4);
}

/* ===== FOOTER ===== */
footer {
    background: rgba(0, 48, 73, 0.9);
    backdrop-filter: blur(10px);
    color: white;
    text-align: center;
    padding: 20px 0;
    margin-top: 60px;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

/* ===== RESPONSIVIDADE ===== */
@media (max-width: 768px) {
    .header {
        padding: 15px 20px;
        flex-direction: column;
        gap: 15px;
    }

    .titulo-site {
        font-size: 24px;
    }

    .menu {
        gap: 15px;
    }

    .viagens-container {
        max-width: 90%;
        padding: 30px 20px;
    }

    .cards {
        gap: 20px;
    }

    .card {
        width: 100%;
        max-width: 300px;
    }

    .titulo-viagens {
        font-size: 28px;
    }

    .texto-viagens {
        font-size: 16px;
    }
}